Azure IoT / iothub_mqtt_transport

Microsoft Azure IoTHub client MQTT transport

Dependents:   STM32F746_iothub_client_sample_mqtt FXOS8700CQ_To_Azure_IoT f767zi_mqtt FXOS8700CQ_To_Azure_IoT ... more

iothubtransport_mqtt_common.c@38:369a06de92aa, 2018-05-04 (annotated)

Committer:
AzureIoTClient
Date:
Fri May 04 13:23:47 2018 -0700
Revision:
38:369a06de92aa
Parent:
37:e6a799428f3d
Child:
39:6231984e0179
1.2.4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 11:31ebaeb51e1e 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 11:31ebaeb51e1e 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 11:31ebaeb51e1e 3
AzureIoTClient 11:31ebaeb51e1e 4 #include <stdlib.h>
AzureIoTClient 12:658ca6865de2 5 #include <ctype.h>
AzureIoTClient 18:ec8e5e97c6a4 6 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 11:31ebaeb51e1e 7 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 11:31ebaeb51e1e 8
AzureIoTClient 11:31ebaeb51e1e 9 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 11:31ebaeb51e1e 10 #include "azure_c_shared_utility/strings.h"
AzureIoTClient 11:31ebaeb51e1e 11 #include "azure_c_shared_utility/doublylinkedlist.h"
AzureIoTClient 11:31ebaeb51e1e 12 #include "azure_c_shared_utility/crt_abstractions.h"
AzureIoTClient 11:31ebaeb51e1e 13
AzureIoTClient 11:31ebaeb51e1e 14 #include "iothub_client_ll.h"
AzureIoTClient 11:31ebaeb51e1e 15 #include "iothub_client_options.h"
AzureIoTClient 11:31ebaeb51e1e 16 #include "iothub_client_private.h"
AzureIoTClient 11:31ebaeb51e1e 17 #include "azure_umqtt_c/mqtt_client.h"
AzureIoTClient 11:31ebaeb51e1e 18 #include "azure_c_shared_utility/sastoken.h"
AzureIoTClient 11:31ebaeb51e1e 19 #include "azure_c_shared_utility/tickcounter.h"
AzureIoTClient 11:31ebaeb51e1e 20
AzureIoTClient 11:31ebaeb51e1e 21 #include "azure_c_shared_utility/tlsio.h"
AzureIoTClient 11:31ebaeb51e1e 22 #include "azure_c_shared_utility/platform.h"
AzureIoTClient 11:31ebaeb51e1e 23
AzureIoTClient 11:31ebaeb51e1e 24 #include "azure_c_shared_utility/string_tokenizer.h"
AzureIoTClient 20:594780be216d 25 #include "azure_c_shared_utility/shared_util_options.h"
AzureIoTClient 22:07fec4d325b6 26 #include "azure_c_shared_utility/urlencode.h"
AzureIoTClient 11:31ebaeb51e1e 27 #include "iothub_client_version.h"
AzureIoTClient 25:a35763780a87 28 #include "iothub_client_retry_control.h"
AzureIoTClient 11:31ebaeb51e1e 29
AzureIoTClient 11:31ebaeb51e1e 30 #include "iothubtransport_mqtt_common.h"
AzureIoTClient 11:31ebaeb51e1e 31
AzureIoTClient 11:31ebaeb51e1e 32 #include <stdarg.h>
AzureIoTClient 11:31ebaeb51e1e 33 #include <stdio.h>
AzureIoTClient 11:31ebaeb51e1e 34
AzureIoTClient 11:31ebaeb51e1e 35 #include <limits.h>
AzureIoTClient 12:658ca6865de2 36 #include <inttypes.h>
AzureIoTClient 11:31ebaeb51e1e 37
AzureIoTClient 25:a35763780a87 38 #define SAS_TOKEN_DEFAULT_LIFETIME 3600
AzureIoTClient 25:a35763780a87 39 #define SAS_REFRESH_MULTIPLIER .8
AzureIoTClient 25:a35763780a87 40 #define EPOCH_TIME_T_VALUE 0
AzureIoTClient 25:a35763780a87 41 #define DEFAULT_MQTT_KEEPALIVE 4*60 // 4 min
AzureIoTClient 32:103a46ed8822 42 #define DEFAULT_CONNACK_TIMEOUT 30 // 30 seconds
AzureIoTClient 25:a35763780a87 43 #define BUILD_CONFIG_USERNAME 24
AzureIoTClient 25:a35763780a87 44 #define SAS_TOKEN_DEFAULT_LEN 10
AzureIoTClient 25:a35763780a87 45 #define RESEND_TIMEOUT_VALUE_MIN 1*60
AzureIoTClient 25:a35763780a87 46 #define MAX_SEND_RECOUNT_LIMIT 2
AzureIoTClient 25:a35763780a87 47 #define DEFAULT_CONNECTION_INTERVAL 30
AzureIoTClient 25:a35763780a87 48 #define FAILED_CONN_BACKOFF_VALUE 5
AzureIoTClient 25:a35763780a87 49 #define STATUS_CODE_FAILURE_VALUE 500
AzureIoTClient 25:a35763780a87 50 #define STATUS_CODE_TIMEOUT_VALUE 408
AzureIoTClient 25:a35763780a87 51
AzureIoTClient 25:a35763780a87 52 #define DEFAULT_RETRY_POLICY IOTHUB_CLIENT_RETRY_EXPONENTIAL_BACKOFF_WITH_JITTER
AzureIoTClient 25:a35763780a87 53 #define DEFAULT_RETRY_TIMEOUT_IN_SECONDS 0
AzureIoTClient 12:658ca6865de2 54
AzureIoTClient 12:658ca6865de2 55 static const char TOPIC_DEVICE_TWIN_PREFIX[] = "$iothub/twin";
AzureIoTClient 12:658ca6865de2 56 static const char TOPIC_DEVICE_METHOD_PREFIX[] = "$iothub/methods";
AzureIoTClient 12:658ca6865de2 57
AzureIoTClient 12:658ca6865de2 58 static const char* TOPIC_GET_DESIRED_STATE = "$iothub/twin/res/#";
AzureIoTClient 12:658ca6865de2 59 static const char* TOPIC_NOTIFICATION_STATE = "$iothub/twin/PATCH/properties/desired/#";
AzureIoTClient 11:31ebaeb51e1e 60
AzureIoTClient 11:31ebaeb51e1e 61 static const char* TOPIC_DEVICE_MSG = "devices/%s/messages/devicebound/#";
AzureIoTClient 11:31ebaeb51e1e 62 static const char* TOPIC_DEVICE_DEVICE = "devices/%s/messages/events/";
AzureIoTClient 12:658ca6865de2 63
AzureIoTClient 12:658ca6865de2 64 static const char* TOPIC_DEVICE_METHOD_SUBSCRIBE = "$iothub/methods/POST/#";
AzureIoTClient 12:658ca6865de2 65
AzureIoTClient 12:658ca6865de2 66 static const char* IOTHUB_API_VERSION = "2016-11-14";
AzureIoTClient 12:658ca6865de2 67
AzureIoTClient 11:31ebaeb51e1e 68 static const char* PROPERTY_SEPARATOR = "&";
AzureIoTClient 12:658ca6865de2 69 static const char* REPORTED_PROPERTIES_TOPIC = "$iothub/twin/PATCH/properties/reported/?$rid=%"PRIu16;
AzureIoTClient 12:658ca6865de2 70 static const char* GET_PROPERTIES_TOPIC = "$iothub/twin/GET/?$rid=%"PRIu16;
AzureIoTClient 14:4dc2b011be33 71 static const char* DEVICE_METHOD_RESPONSE_TOPIC = "$iothub/methods/res/%d/?$rid=%s";
AzureIoTClient 12:658ca6865de2 72
AzureIoTClient 12:658ca6865de2 73 static const char* REQUEST_ID_PROPERTY = "?$rid=";
AzureIoTClient 11:31ebaeb51e1e 74
AzureIoTClient 18:ec8e5e97c6a4 75 static const char* MESSAGE_ID_PROPERTY = "mid";
AzureIoTClient 18:ec8e5e97c6a4 76 static const char* CORRELATION_ID_PROPERTY = "cid";
AzureIoTClient 27:04de3c0bf1db 77 static const char* CONTENT_TYPE_PROPERTY = "ct";
AzureIoTClient 27:04de3c0bf1db 78 static const char* CONTENT_ENCODING_PROPERTY = "ce";
AzureIoTClient 30:52ff609606c8 79 static const char* DIAGNOSTIC_ID_PROPERTY = "diagid";
AzureIoTClient 30:52ff609606c8 80 static const char* DIAGNOSTIC_CONTEXT_PROPERTY = "diagctx";
AzureIoTClient 30:52ff609606c8 81
AzureIoTClient 30:52ff609606c8 82 static const char* DIAGNOSTIC_CONTEXT_CREATION_TIME_UTC_PROPERTY = "creationtimeutc";
AzureIoTClient 18:ec8e5e97c6a4 83
AzureIoTClient 11:31ebaeb51e1e 84 #define UNSUBSCRIBE_FROM_TOPIC 0x0000
AzureIoTClient 12:658ca6865de2 85 #define SUBSCRIBE_GET_REPORTED_STATE_TOPIC 0x0001
AzureIoTClient 12:658ca6865de2 86 #define SUBSCRIBE_NOTIFICATION_STATE_TOPIC 0x0002
AzureIoTClient 11:31ebaeb51e1e 87 #define SUBSCRIBE_TELEMETRY_TOPIC 0x0004
AzureIoTClient 12:658ca6865de2 88 #define SUBSCRIBE_METHODS_TOPIC 0x0008
AzureIoTClient 12:658ca6865de2 89 #define SUBSCRIBE_DEVICE_METHOD_TOPIC 0x0010
AzureIoTClient 12:658ca6865de2 90 #define SUBSCRIBE_TOPIC_COUNT 4
AzureIoTClient 11:31ebaeb51e1e 91
AzureIoTClient 17:774695cb8554 92 DEFINE_ENUM_STRINGS(MQTT_CLIENT_EVENT_ERROR, MQTT_CLIENT_EVENT_ERROR_VALUES)
AzureIoTClient 17:774695cb8554 93
AzureIoTClient 11:31ebaeb51e1e 94 typedef struct SYSTEM_PROPERTY_INFO_TAG
AzureIoTClient 11:31ebaeb51e1e 95 {
AzureIoTClient 11:31ebaeb51e1e 96 const char* propName;
AzureIoTClient 11:31ebaeb51e1e 97 size_t propLength;
AzureIoTClient 11:31ebaeb51e1e 98 } SYSTEM_PROPERTY_INFO;
AzureIoTClient 11:31ebaeb51e1e 99
AzureIoTClient 11:31ebaeb51e1e 100 static SYSTEM_PROPERTY_INFO sysPropList[] = {
AzureIoTClient 11:31ebaeb51e1e 101 { "%24.exp", 7 },
AzureIoTClient 11:31ebaeb51e1e 102 { "%24.mid", 7 },
AzureIoTClient 11:31ebaeb51e1e 103 { "%24.uid", 7 },
AzureIoTClient 11:31ebaeb51e1e 104 { "%24.to", 6 },
AzureIoTClient 11:31ebaeb51e1e 105 { "%24.cid", 7 },
AzureIoTClient 27:04de3c0bf1db 106 { "%24.ct", 6 },
AzureIoTClient 27:04de3c0bf1db 107 { "%24.ce", 6 },
AzureIoTClient 11:31ebaeb51e1e 108 { "devices/", 8 },
AzureIoTClient 11:31ebaeb51e1e 109 { "iothub-operation", 16 },
AzureIoTClient 11:31ebaeb51e1e 110 { "iothub-ack", 10 }
AzureIoTClient 11:31ebaeb51e1e 111 };
AzureIoTClient 11:31ebaeb51e1e 112
AzureIoTClient 12:658ca6865de2 113 typedef enum DEVICE_TWIN_MSG_TYPE_TAG
AzureIoTClient 12:658ca6865de2 114 {
AzureIoTClient 12:658ca6865de2 115 REPORTED_STATE,
AzureIoTClient 12:658ca6865de2 116 RETRIEVE_PROPERTIES
AzureIoTClient 12:658ca6865de2 117 } DEVICE_TWIN_MSG_TYPE;
AzureIoTClient 12:658ca6865de2 118
AzureIoTClient 11:31ebaeb51e1e 119 typedef enum MQTT_TRANSPORT_CREDENTIAL_TYPE_TAG
AzureIoTClient 11:31ebaeb51e1e 120 {
AzureIoTClient 11:31ebaeb51e1e 121 CREDENTIAL_NOT_BUILD,
AzureIoTClient 11:31ebaeb51e1e 122 X509,
AzureIoTClient 11:31ebaeb51e1e 123 SAS_TOKEN_FROM_USER,
AzureIoTClient 11:31ebaeb51e1e 124 DEVICE_KEY,
AzureIoTClient 11:31ebaeb51e1e 125 } MQTT_TRANSPORT_CREDENTIAL_TYPE;
AzureIoTClient 11:31ebaeb51e1e 126
AzureIoTClient 20:594780be216d 127 typedef enum MQTT_CLIENT_STATUS_TAG
AzureIoTClient 20:594780be216d 128 {
AzureIoTClient 21:167f8fcf6fb1 129 MQTT_CLIENT_STATUS_NOT_CONNECTED,
AzureIoTClient 21:167f8fcf6fb1 130 MQTT_CLIENT_STATUS_CONNECTING,
AzureIoTClient 33:b7dfb208ef0a 131 MQTT_CLIENT_STATUS_CONNECTED,
AzureIoTClient 33:b7dfb208ef0a 132 MQTT_CLIENT_STATUS_PENDING_CLOSE
AzureIoTClient 20:594780be216d 133 } MQTT_CLIENT_STATUS;
AzureIoTClient 20:594780be216d 134
AzureIoTClient 11:31ebaeb51e1e 135 typedef struct MQTTTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient 11:31ebaeb51e1e 136 {
AzureIoTClient 11:31ebaeb51e1e 137 // Topic control
AzureIoTClient 11:31ebaeb51e1e 138 STRING_HANDLE topic_MqttEvent;
AzureIoTClient 11:31ebaeb51e1e 139 STRING_HANDLE topic_MqttMessage;
AzureIoTClient 12:658ca6865de2 140 STRING_HANDLE topic_GetState;
AzureIoTClient 12:658ca6865de2 141 STRING_HANDLE topic_NotifyState;
AzureIoTClient 12:658ca6865de2 142
AzureIoTClient 12:658ca6865de2 143 STRING_HANDLE topic_DeviceMethods;
AzureIoTClient 11:31ebaeb51e1e 144
AzureIoTClient 11:31ebaeb51e1e 145 uint32_t topics_ToSubscribe;
AzureIoTClient 12:658ca6865de2 146
AzureIoTClient 11:31ebaeb51e1e 147 // Connection related constants
AzureIoTClient 11:31ebaeb51e1e 148 STRING_HANDLE hostAddress;
AzureIoTClient 11:31ebaeb51e1e 149 STRING_HANDLE device_id;
AzureIoTClient 11:31ebaeb51e1e 150 STRING_HANDLE devicesPath;
AzureIoTClient 11:31ebaeb51e1e 151 int portNum;
AzureIoTClient 11:31ebaeb51e1e 152
AzureIoTClient 11:31ebaeb51e1e 153 MQTT_GET_IO_TRANSPORT get_io_transport;
AzureIoTClient 11:31ebaeb51e1e 154
AzureIoTClient 11:31ebaeb51e1e 155 // The current mqtt iothub implementation requires that the hub name and the domain suffix be passed as the first of a series of segments
AzureIoTClient 11:31ebaeb51e1e 156 // passed through the username portion of the connection frame.
AzureIoTClient 11:31ebaeb51e1e 157 // The second segment will contain the device id. The two segments are delemited by a "/".
AzureIoTClient 11:31ebaeb51e1e 158 // The first segment can be a maximum 256 characters.
AzureIoTClient 11:31ebaeb51e1e 159 // The second segment can be a maximum 128 characters.
AzureIoTClient 11:31ebaeb51e1e 160 // With the / delimeter you have 384 chars (Plus a terminator of 0).
AzureIoTClient 11:31ebaeb51e1e 161 STRING_HANDLE configPassedThroughUsername;
AzureIoTClient 11:31ebaeb51e1e 162
AzureIoTClient 11:31ebaeb51e1e 163 // Upper layer
AzureIoTClient 11:31ebaeb51e1e 164 IOTHUB_CLIENT_LL_HANDLE llClientHandle;
AzureIoTClient 11:31ebaeb51e1e 165
AzureIoTClient 11:31ebaeb51e1e 166 // Protocol
AzureIoTClient 11:31ebaeb51e1e 167 MQTT_CLIENT_HANDLE mqttClient;
AzureIoTClient 11:31ebaeb51e1e 168 XIO_HANDLE xioTransport;
AzureIoTClient 11:31ebaeb51e1e 169
AzureIoTClient 11:31ebaeb51e1e 170 // Session - connection
AzureIoTClient 11:31ebaeb51e1e 171 uint16_t packetId;
AzureIoTClient 11:31ebaeb51e1e 172
AzureIoTClient 11:31ebaeb51e1e 173 // Connection state control
AzureIoTClient 11:31ebaeb51e1e 174 bool isRegistered;
AzureIoTClient 20:594780be216d 175 MQTT_CLIENT_STATUS mqttClientStatus;
AzureIoTClient 11:31ebaeb51e1e 176 bool isDestroyCalled;
AzureIoTClient 12:658ca6865de2 177 bool device_twin_get_sent;
AzureIoTClient 12:658ca6865de2 178 bool isRecoverableError;
AzureIoTClient 11:31ebaeb51e1e 179 uint16_t keepAliveValue;
AzureIoTClient 32:103a46ed8822 180 uint16_t connect_timeout_in_sec;
Azure.IoT.Build 13:606465879c57 181 tickcounter_ms_t mqtt_connect_time;
AzureIoTClient 11:31ebaeb51e1e 182 size_t connectFailCount;
Azure.IoT.Build 13:606465879c57 183 tickcounter_ms_t connectTick;
AzureIoTClient 11:31ebaeb51e1e 184 bool log_trace;
AzureIoTClient 11:31ebaeb51e1e 185 bool raw_trace;
Azure.IoT.Build 13:606465879c57 186 TICK_COUNTER_HANDLE msgTickCounter;
AzureIoTClient 29:923be0c3998a 187 OPTIONHANDLER_HANDLE saved_tls_options; // Here are the options from the xio layer if any is saved.
AzureIoTClient 29:923be0c3998a 188 size_t option_sas_token_lifetime_secs;
AzureIoTClient 11:31ebaeb51e1e 189
AzureIoTClient 11:31ebaeb51e1e 190 // Internal lists for message tracking
AzureIoTClient 11:31ebaeb51e1e 191 PDLIST_ENTRY waitingToSend;
AzureIoTClient 12:658ca6865de2 192 DLIST_ENTRY ack_waiting_queue;
AzureIoTClient 12:658ca6865de2 193
AzureIoTClient 11:31ebaeb51e1e 194 // Message tracking
AzureIoTClient 11:31ebaeb51e1e 195 CONTROL_PACKET_TYPE currPacketState;
AzureIoTClient 11:31ebaeb51e1e 196
AzureIoTClient 11:31ebaeb51e1e 197 // Telemetry specific
AzureIoTClient 11:31ebaeb51e1e 198 DLIST_ENTRY telemetry_waitingForAck;
AzureIoTClient 37:e6a799428f3d 199 bool auto_url_encode_decode;
AzureIoTClient 12:658ca6865de2 200
AzureIoTClient 25:a35763780a87 201 // Controls frequency of reconnection logic.
AzureIoTClient 25:a35763780a87 202 RETRY_CONTROL_HANDLE retry_control_handle;
AzureIoTClient 20:594780be216d 203
AzureIoTClient 21:167f8fcf6fb1 204 // Auth module used to generating handle authorization
AzureIoTClient 21:167f8fcf6fb1 205 // with either SAS Token, x509 Certs, and Device SAS Token
AzureIoTClient 21:167f8fcf6fb1 206 IOTHUB_AUTHORIZATION_HANDLE authorization_module;
AzureIoTClient 21:167f8fcf6fb1 207
AzureIoTClient 20:594780be216d 208 char* http_proxy_hostname;
AzureIoTClient 20:594780be216d 209 int http_proxy_port;
AzureIoTClient 20:594780be216d 210 char* http_proxy_username;
AzureIoTClient 20:594780be216d 211 char* http_proxy_password;
AzureIoTClient 24:4096249decf1 212 bool isProductInfoSet;
AzureIoTClient 11:31ebaeb51e1e 213 } MQTTTRANSPORT_HANDLE_DATA, *PMQTTTRANSPORT_HANDLE_DATA;
AzureIoTClient 11:31ebaeb51e1e 214
AzureIoTClient 12:658ca6865de2 215 typedef struct MQTT_DEVICE_TWIN_ITEM_TAG
AzureIoTClient 12:658ca6865de2 216 {
Azure.IoT.Build 13:606465879c57 217 tickcounter_ms_t msgPublishTime;
AzureIoTClient 12:658ca6865de2 218 size_t retryCount;
AzureIoTClient 12:658ca6865de2 219 IOTHUB_IDENTITY_TYPE iothub_type;
AzureIoTClient 12:658ca6865de2 220 uint16_t packet_id;
AzureIoTClient 12:658ca6865de2 221 uint32_t iothub_msg_id;
AzureIoTClient 12:658ca6865de2 222 IOTHUB_DEVICE_TWIN* device_twin_data;
AzureIoTClient 12:658ca6865de2 223 DEVICE_TWIN_MSG_TYPE device_twin_msg_type;
AzureIoTClient 12:658ca6865de2 224 DLIST_ENTRY entry;
AzureIoTClient 12:658ca6865de2 225 } MQTT_DEVICE_TWIN_ITEM;
AzureIoTClient 12:658ca6865de2 226
AzureIoTClient 11:31ebaeb51e1e 227 typedef struct MQTT_MESSAGE_DETAILS_LIST_TAG
AzureIoTClient 11:31ebaeb51e1e 228 {
Azure.IoT.Build 13:606465879c57 229 tickcounter_ms_t msgPublishTime;
AzureIoTClient 11:31ebaeb51e1e 230 size_t retryCount;
AzureIoTClient 11:31ebaeb51e1e 231 IOTHUB_MESSAGE_LIST* iotHubMessageEntry;
AzureIoTClient 11:31ebaeb51e1e 232 void* context;
AzureIoTClient 11:31ebaeb51e1e 233 uint16_t packet_id;
AzureIoTClient 11:31ebaeb51e1e 234 DLIST_ENTRY entry;
AzureIoTClient 11:31ebaeb51e1e 235 } MQTT_MESSAGE_DETAILS_LIST, *PMQTT_MESSAGE_DETAILS_LIST;
AzureIoTClient 11:31ebaeb51e1e 236
AzureIoTClient 14:4dc2b011be33 237 typedef struct DEVICE_METHOD_INFO_TAG
AzureIoTClient 14:4dc2b011be33 238 {
AzureIoTClient 14:4dc2b011be33 239 STRING_HANDLE request_id;
AzureIoTClient 14:4dc2b011be33 240 } DEVICE_METHOD_INFO;
AzureIoTClient 14:4dc2b011be33 241
AzureIoTClient 20:594780be216d 242 static void free_proxy_data(MQTTTRANSPORT_HANDLE_DATA* mqtt_transport_instance)
AzureIoTClient 20:594780be216d 243 {
AzureIoTClient 20:594780be216d 244 if (mqtt_transport_instance->http_proxy_hostname != NULL)
AzureIoTClient 20:594780be216d 245 {
AzureIoTClient 20:594780be216d 246 free(mqtt_transport_instance->http_proxy_hostname);
AzureIoTClient 20:594780be216d 247 mqtt_transport_instance->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 248 }
AzureIoTClient 20:594780be216d 249
AzureIoTClient 20:594780be216d 250 if (mqtt_transport_instance->http_proxy_username != NULL)
AzureIoTClient 20:594780be216d 251 {
AzureIoTClient 20:594780be216d 252 free(mqtt_transport_instance->http_proxy_username);
AzureIoTClient 20:594780be216d 253 mqtt_transport_instance->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 254 }
AzureIoTClient 20:594780be216d 255
AzureIoTClient 20:594780be216d 256 if (mqtt_transport_instance->http_proxy_password != NULL)
AzureIoTClient 20:594780be216d 257 {
AzureIoTClient 20:594780be216d 258 free(mqtt_transport_instance->http_proxy_password);
AzureIoTClient 20:594780be216d 259 mqtt_transport_instance->http_proxy_password = NULL;
AzureIoTClient 20:594780be216d 260 }
AzureIoTClient 20:594780be216d 261 }
AzureIoTClient 20:594780be216d 262
AzureIoTClient 28:0cd355c3294e 263 static void set_saved_tls_options(PMQTTTRANSPORT_HANDLE_DATA transport, OPTIONHANDLER_HANDLE new_options)
AzureIoTClient 28:0cd355c3294e 264 {
AzureIoTClient 28:0cd355c3294e 265 if (transport->saved_tls_options != NULL)
AzureIoTClient 28:0cd355c3294e 266 {
AzureIoTClient 28:0cd355c3294e 267 OptionHandler_Destroy(transport->saved_tls_options);
AzureIoTClient 28:0cd355c3294e 268 }
AzureIoTClient 28:0cd355c3294e 269 transport->saved_tls_options = new_options;
AzureIoTClient 28:0cd355c3294e 270 }
AzureIoTClient 28:0cd355c3294e 271
AzureIoTClient 31:d6198e67d1eb 272 static void free_transport_handle_data(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 31:d6198e67d1eb 273 {
AzureIoTClient 31:d6198e67d1eb 274 if (transport_data->mqttClient != NULL)
AzureIoTClient 31:d6198e67d1eb 275 {
AzureIoTClient 31:d6198e67d1eb 276 mqtt_client_deinit(transport_data->mqttClient);
AzureIoTClient 31:d6198e67d1eb 277 }
AzureIoTClient 31:d6198e67d1eb 278
AzureIoTClient 31:d6198e67d1eb 279 if (transport_data->retry_control_handle != NULL)
AzureIoTClient 31:d6198e67d1eb 280 {
AzureIoTClient 31:d6198e67d1eb 281 retry_control_destroy(transport_data->retry_control_handle);
AzureIoTClient 31:d6198e67d1eb 282 }
AzureIoTClient 31:d6198e67d1eb 283
AzureIoTClient 31:d6198e67d1eb 284 set_saved_tls_options(transport_data, NULL);
AzureIoTClient 31:d6198e67d1eb 285
AzureIoTClient 31:d6198e67d1eb 286 tickcounter_destroy(transport_data->msgTickCounter);
AzureIoTClient 31:d6198e67d1eb 287
AzureIoTClient 31:d6198e67d1eb 288 free_proxy_data(transport_data);
AzureIoTClient 31:d6198e67d1eb 289
AzureIoTClient 31:d6198e67d1eb 290 STRING_delete(transport_data->devicesPath);
AzureIoTClient 31:d6198e67d1eb 291 STRING_delete(transport_data->topic_MqttEvent);
AzureIoTClient 31:d6198e67d1eb 292 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 31:d6198e67d1eb 293 STRING_delete(transport_data->device_id);
AzureIoTClient 31:d6198e67d1eb 294 STRING_delete(transport_data->hostAddress);
AzureIoTClient 31:d6198e67d1eb 295 STRING_delete(transport_data->configPassedThroughUsername);
AzureIoTClient 31:d6198e67d1eb 296 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 31:d6198e67d1eb 297 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 31:d6198e67d1eb 298 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 31:d6198e67d1eb 299
AzureIoTClient 31:d6198e67d1eb 300 free(transport_data);
AzureIoTClient 31:d6198e67d1eb 301 }
AzureIoTClient 31:d6198e67d1eb 302
AzureIoTClient 25:a35763780a87 303 int IoTHubTransport_MQTT_Common_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient 12:658ca6865de2 304 {
AzureIoTClient 12:658ca6865de2 305 int result;
AzureIoTClient 12:658ca6865de2 306
AzureIoTClient 25:a35763780a87 307 if (handle == NULL)
AzureIoTClient 12:658ca6865de2 308 {
AzureIoTClient 12:658ca6865de2 309 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_041: [**If any handle is NULL then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return resultant line.] */
AzureIoTClient 12:658ca6865de2 310 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 311 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 312 }
AzureIoTClient 12:658ca6865de2 313 else
AzureIoTClient 12:658ca6865de2 314 {
AzureIoTClient 25:a35763780a87 315 RETRY_CONTROL_HANDLE new_retry_control_handle;
AzureIoTClient 25:a35763780a87 316
AzureIoTClient 25:a35763780a87 317 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_006: [ IoTHubTransport_MQTT_Common_SetRetryPolicy shall set the retry logic by calling retry_control_create() with retry policy and retryTimeout as parameters]
AzureIoTClient 25:a35763780a87 318 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_009: [ If retry_control_create() fails then IoTHubTransport_MQTT_Common_SetRetryPolicy shall revert to previous retry policy and return non-zero value ]
AzureIoTClient 25:a35763780a87 319 if ((new_retry_control_handle = retry_control_create(retryPolicy, (unsigned int)retryTimeoutLimitInSeconds)) == NULL)
AzureIoTClient 12:658ca6865de2 320 {
AzureIoTClient 25:a35763780a87 321 LogError("Failed creating new retry control handle");
AzureIoTClient 25:a35763780a87 322 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 323 }
AzureIoTClient 12:658ca6865de2 324 else
AzureIoTClient 12:658ca6865de2 325 {
AzureIoTClient 25:a35763780a87 326 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 25:a35763780a87 327 RETRY_CONTROL_HANDLE previous_retry_control_handle = transport_data->retry_control_handle;
AzureIoTClient 25:a35763780a87 328
AzureIoTClient 25:a35763780a87 329 transport_data->retry_control_handle = new_retry_control_handle;
AzureIoTClient 25:a35763780a87 330 retry_control_destroy(previous_retry_control_handle);
AzureIoTClient 25:a35763780a87 331
AzureIoTClient 25:a35763780a87 332 /*Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_25_045: [**If retry logic for specified parameters of retry policy and retryTimeoutLimitInSeconds is created successfully then IoTHubTransport_MQTT_Common_SetRetryPolicy shall return 0]*/
AzureIoTClient 25:a35763780a87 333 result = 0;
AzureIoTClient 12:658ca6865de2 334 }
AzureIoTClient 12:658ca6865de2 335 }
AzureIoTClient 25:a35763780a87 336
AzureIoTClient 12:658ca6865de2 337 return result;
AzureIoTClient 12:658ca6865de2 338 }
AzureIoTClient 12:658ca6865de2 339
AzureIoTClient 11:31ebaeb51e1e 340 static uint16_t get_next_packet_id(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 341 {
AzureIoTClient 11:31ebaeb51e1e 342 if (transport_data->packetId+1 >= USHRT_MAX)
AzureIoTClient 11:31ebaeb51e1e 343 {
AzureIoTClient 11:31ebaeb51e1e 344 transport_data->packetId = 1;
AzureIoTClient 11:31ebaeb51e1e 345 }
AzureIoTClient 11:31ebaeb51e1e 346 else
AzureIoTClient 11:31ebaeb51e1e 347 {
AzureIoTClient 11:31ebaeb51e1e 348 transport_data->packetId++;
AzureIoTClient 11:31ebaeb51e1e 349 }
AzureIoTClient 11:31ebaeb51e1e 350 return transport_data->packetId;
AzureIoTClient 11:31ebaeb51e1e 351 }
AzureIoTClient 11:31ebaeb51e1e 352
AzureIoTClient 11:31ebaeb51e1e 353 static const char* retrieve_mqtt_return_codes(CONNECT_RETURN_CODE rtn_code)
AzureIoTClient 11:31ebaeb51e1e 354 {
AzureIoTClient 11:31ebaeb51e1e 355 switch (rtn_code)
AzureIoTClient 11:31ebaeb51e1e 356 {
AzureIoTClient 11:31ebaeb51e1e 357 case CONNECTION_ACCEPTED:
AzureIoTClient 11:31ebaeb51e1e 358 return "Accepted";
AzureIoTClient 11:31ebaeb51e1e 359 case CONN_REFUSED_UNACCEPTABLE_VERSION:
AzureIoTClient 11:31ebaeb51e1e 360 return "Unacceptable Version";
AzureIoTClient 11:31ebaeb51e1e 361 case CONN_REFUSED_ID_REJECTED:
AzureIoTClient 11:31ebaeb51e1e 362 return "Id Rejected";
AzureIoTClient 11:31ebaeb51e1e 363 case CONN_REFUSED_SERVER_UNAVAIL:
AzureIoTClient 11:31ebaeb51e1e 364 return "Server Unavailable";
AzureIoTClient 11:31ebaeb51e1e 365 case CONN_REFUSED_BAD_USERNAME_PASSWORD:
AzureIoTClient 11:31ebaeb51e1e 366 return "Bad Username/Password";
AzureIoTClient 11:31ebaeb51e1e 367 case CONN_REFUSED_NOT_AUTHORIZED:
AzureIoTClient 11:31ebaeb51e1e 368 return "Not Authorized";
AzureIoTClient 11:31ebaeb51e1e 369 case CONN_REFUSED_UNKNOWN:
AzureIoTClient 11:31ebaeb51e1e 370 default:
AzureIoTClient 11:31ebaeb51e1e 371 return "Unknown";
AzureIoTClient 11:31ebaeb51e1e 372 }
AzureIoTClient 11:31ebaeb51e1e 373 }
AzureIoTClient 11:31ebaeb51e1e 374
AzureIoTClient 14:4dc2b011be33 375 static int retrieve_device_method_rid_info(const char* resp_topic, STRING_HANDLE method_name, STRING_HANDLE request_id)
AzureIoTClient 12:658ca6865de2 376 {
AzureIoTClient 12:658ca6865de2 377 int result;
AzureIoTClient 12:658ca6865de2 378 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 379 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 380 {
AzureIoTClient 12:658ca6865de2 381 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 382 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 383 }
AzureIoTClient 12:658ca6865de2 384 else
AzureIoTClient 12:658ca6865de2 385 {
AzureIoTClient 12:658ca6865de2 386 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 387 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 388 {
AzureIoTClient 12:658ca6865de2 389 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 390 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 391 }
AzureIoTClient 12:658ca6865de2 392 else
AzureIoTClient 12:658ca6865de2 393 {
AzureIoTClient 12:658ca6865de2 394 size_t token_index = 0;
AzureIoTClient 12:658ca6865de2 395 size_t request_id_length = strlen(REQUEST_ID_PROPERTY);
AzureIoTClient 18:ec8e5e97c6a4 396 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 397 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 398 {
AzureIoTClient 12:658ca6865de2 399 if (token_index == 3)
AzureIoTClient 12:658ca6865de2 400 {
AzureIoTClient 12:658ca6865de2 401 if (STRING_concat_with_STRING(method_name, token_value) != 0)
AzureIoTClient 12:658ca6865de2 402 {
AzureIoTClient 14:4dc2b011be33 403 LogError("Failed STRING_concat_with_STRING.");
AzureIoTClient 18:ec8e5e97c6a4 404 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 405 break;
AzureIoTClient 12:658ca6865de2 406 }
AzureIoTClient 12:658ca6865de2 407 }
AzureIoTClient 12:658ca6865de2 408 else if (token_index == 4)
AzureIoTClient 12:658ca6865de2 409 {
AzureIoTClient 12:658ca6865de2 410 if (STRING_length(token_value) >= request_id_length)
AzureIoTClient 12:658ca6865de2 411 {
AzureIoTClient 12:658ca6865de2 412 const char* request_id_value = STRING_c_str(token_value);
AzureIoTClient 12:658ca6865de2 413 if (memcmp(request_id_value, REQUEST_ID_PROPERTY, request_id_length) == 0)
AzureIoTClient 12:658ca6865de2 414 {
AzureIoTClient 14:4dc2b011be33 415 if (STRING_concat(request_id, request_id_value+request_id_length) != 0)
AzureIoTClient 14:4dc2b011be33 416 {
AzureIoTClient 14:4dc2b011be33 417 LogError("Failed STRING_concat failed.");
AzureIoTClient 18:ec8e5e97c6a4 418 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 419 }
AzureIoTClient 14:4dc2b011be33 420 else
AzureIoTClient 14:4dc2b011be33 421 {
AzureIoTClient 14:4dc2b011be33 422 result = 0;
AzureIoTClient 14:4dc2b011be33 423 }
AzureIoTClient 12:658ca6865de2 424 break;
AzureIoTClient 12:658ca6865de2 425 }
AzureIoTClient 12:658ca6865de2 426 }
AzureIoTClient 12:658ca6865de2 427 }
AzureIoTClient 12:658ca6865de2 428 token_index++;
AzureIoTClient 12:658ca6865de2 429 }
AzureIoTClient 12:658ca6865de2 430 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 431 }
AzureIoTClient 12:658ca6865de2 432 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 433 }
AzureIoTClient 12:658ca6865de2 434 return result;
AzureIoTClient 12:658ca6865de2 435 }
AzureIoTClient 12:658ca6865de2 436
AzureIoTClient 12:658ca6865de2 437 static int parse_device_twin_topic_info(const char* resp_topic, bool* patch_msg, size_t* request_id, int* status_code)
AzureIoTClient 12:658ca6865de2 438 {
AzureIoTClient 12:658ca6865de2 439 int result;
AzureIoTClient 12:658ca6865de2 440 STRING_TOKENIZER_HANDLE token_handle = STRING_TOKENIZER_create_from_char(resp_topic);
AzureIoTClient 12:658ca6865de2 441 if (token_handle == NULL)
AzureIoTClient 12:658ca6865de2 442 {
AzureIoTClient 12:658ca6865de2 443 LogError("Failed creating token from device twin topic.");
AzureIoTClient 18:ec8e5e97c6a4 444 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 445 *status_code = 0;
AzureIoTClient 12:658ca6865de2 446 *request_id = 0;
AzureIoTClient 12:658ca6865de2 447 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 448 }
AzureIoTClient 12:658ca6865de2 449 else
AzureIoTClient 12:658ca6865de2 450 {
AzureIoTClient 12:658ca6865de2 451 STRING_HANDLE token_value;
AzureIoTClient 12:658ca6865de2 452 if ((token_value = STRING_new()) == NULL)
AzureIoTClient 12:658ca6865de2 453 {
AzureIoTClient 12:658ca6865de2 454 LogError("Failed allocating new string .");
AzureIoTClient 18:ec8e5e97c6a4 455 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 456 *status_code = 0;
AzureIoTClient 12:658ca6865de2 457 *request_id = 0;
AzureIoTClient 12:658ca6865de2 458 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 459 }
AzureIoTClient 12:658ca6865de2 460 else
AzureIoTClient 12:658ca6865de2 461 {
AzureIoTClient 18:ec8e5e97c6a4 462 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 463 size_t token_count = 0;
AzureIoTClient 12:658ca6865de2 464 while (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/") == 0)
AzureIoTClient 12:658ca6865de2 465 {
AzureIoTClient 12:658ca6865de2 466 if (token_count == 2)
AzureIoTClient 12:658ca6865de2 467 {
AzureIoTClient 12:658ca6865de2 468 if (strcmp(STRING_c_str(token_value), "PATCH") == 0)
AzureIoTClient 12:658ca6865de2 469 {
AzureIoTClient 12:658ca6865de2 470 *patch_msg = true;
AzureIoTClient 12:658ca6865de2 471 *status_code = 0;
AzureIoTClient 12:658ca6865de2 472 *request_id = 0;
AzureIoTClient 12:658ca6865de2 473 result = 0;
AzureIoTClient 12:658ca6865de2 474 break;
AzureIoTClient 12:658ca6865de2 475 }
AzureIoTClient 12:658ca6865de2 476 else
AzureIoTClient 12:658ca6865de2 477 {
AzureIoTClient 12:658ca6865de2 478 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 479 }
AzureIoTClient 12:658ca6865de2 480 }
AzureIoTClient 12:658ca6865de2 481 else if (token_count == 3)
AzureIoTClient 12:658ca6865de2 482 {
AzureIoTClient 34:9363cf585ef3 483 *status_code = (int)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 484 if (STRING_TOKENIZER_get_next_token(token_handle, token_value, "/?$rid=") == 0)
AzureIoTClient 12:658ca6865de2 485 {
AzureIoTClient 12:658ca6865de2 486 *request_id = (size_t)atol(STRING_c_str(token_value));
AzureIoTClient 12:658ca6865de2 487 }
AzureIoTClient 12:658ca6865de2 488 *patch_msg = false;
AzureIoTClient 12:658ca6865de2 489 result = 0;
AzureIoTClient 12:658ca6865de2 490 break;
AzureIoTClient 12:658ca6865de2 491 }
AzureIoTClient 12:658ca6865de2 492 token_count++;
AzureIoTClient 12:658ca6865de2 493 }
AzureIoTClient 12:658ca6865de2 494 STRING_delete(token_value);
AzureIoTClient 12:658ca6865de2 495 }
AzureIoTClient 12:658ca6865de2 496 STRING_TOKENIZER_destroy(token_handle);
AzureIoTClient 12:658ca6865de2 497 }
AzureIoTClient 12:658ca6865de2 498 return result;
AzureIoTClient 12:658ca6865de2 499 }
AzureIoTClient 12:658ca6865de2 500
AzureIoTClient 12:658ca6865de2 501 static IOTHUB_IDENTITY_TYPE retrieve_topic_type(const char* topic_resp)
AzureIoTClient 12:658ca6865de2 502 {
AzureIoTClient 12:658ca6865de2 503 IOTHUB_IDENTITY_TYPE type;
AzureIoTClient 12:658ca6865de2 504 size_t dev_twin_topic_len = sizeof(TOPIC_DEVICE_TWIN_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 505 size_t dev_method_topic_len = sizeof(TOPIC_DEVICE_METHOD_PREFIX)-1;
AzureIoTClient 12:658ca6865de2 506 size_t topic_len = strlen(topic_resp);
AzureIoTClient 12:658ca6865de2 507 size_t len_to_use = (dev_twin_topic_len > dev_method_topic_len) ? dev_twin_topic_len : dev_method_topic_len;
AzureIoTClient 12:658ca6865de2 508
AzureIoTClient 12:658ca6865de2 509 bool search_device_twin = true;
AzureIoTClient 12:658ca6865de2 510 bool search_device_method = true;
AzureIoTClient 12:658ca6865de2 511 if (topic_len < len_to_use)
AzureIoTClient 12:658ca6865de2 512 {
AzureIoTClient 12:658ca6865de2 513 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 514 search_device_method = false;
AzureIoTClient 12:658ca6865de2 515 }
AzureIoTClient 12:658ca6865de2 516 else
AzureIoTClient 12:658ca6865de2 517 {
AzureIoTClient 16:14640ee83e99 518 size_t index = 0;
AzureIoTClient 16:14640ee83e99 519 for (index = 0; index < len_to_use && (search_device_twin || search_device_method); index++)
AzureIoTClient 12:658ca6865de2 520 {
AzureIoTClient 12:658ca6865de2 521 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 522 {
AzureIoTClient 12:658ca6865de2 523 if (index > dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 524 {
AzureIoTClient 12:658ca6865de2 525 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 526 }
AzureIoTClient 12:658ca6865de2 527 else
AzureIoTClient 12:658ca6865de2 528 {
AzureIoTClient 12:658ca6865de2 529 if (index == dev_twin_topic_len)
AzureIoTClient 12:658ca6865de2 530 {
AzureIoTClient 12:658ca6865de2 531 break;
AzureIoTClient 12:658ca6865de2 532 }
AzureIoTClient 14:4dc2b011be33 533 else if (TOUPPER(TOPIC_DEVICE_TWIN_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 534 {
AzureIoTClient 12:658ca6865de2 535 search_device_twin = false;
AzureIoTClient 12:658ca6865de2 536 }
AzureIoTClient 12:658ca6865de2 537 }
AzureIoTClient 12:658ca6865de2 538 }
AzureIoTClient 12:658ca6865de2 539 if (search_device_method)
AzureIoTClient 12:658ca6865de2 540 {
AzureIoTClient 12:658ca6865de2 541 if (index > dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 542 {
AzureIoTClient 12:658ca6865de2 543 search_device_method = false;
AzureIoTClient 12:658ca6865de2 544 }
AzureIoTClient 12:658ca6865de2 545 else
AzureIoTClient 12:658ca6865de2 546 {
AzureIoTClient 12:658ca6865de2 547 if (index == dev_method_topic_len)
AzureIoTClient 12:658ca6865de2 548 {
AzureIoTClient 12:658ca6865de2 549 break;
AzureIoTClient 12:658ca6865de2 550 }
AzureIoTClient 14:4dc2b011be33 551 else if (TOUPPER(TOPIC_DEVICE_METHOD_PREFIX[index]) != TOUPPER(topic_resp[index]))
AzureIoTClient 12:658ca6865de2 552 {
AzureIoTClient 12:658ca6865de2 553 search_device_method = false;
AzureIoTClient 12:658ca6865de2 554 }
AzureIoTClient 12:658ca6865de2 555 }
AzureIoTClient 12:658ca6865de2 556 }
AzureIoTClient 12:658ca6865de2 557 }
AzureIoTClient 12:658ca6865de2 558 }
AzureIoTClient 12:658ca6865de2 559 if (search_device_twin)
AzureIoTClient 12:658ca6865de2 560 {
AzureIoTClient 12:658ca6865de2 561 type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 562 }
AzureIoTClient 12:658ca6865de2 563 else if (search_device_method)
AzureIoTClient 12:658ca6865de2 564 {
AzureIoTClient 12:658ca6865de2 565 type = IOTHUB_TYPE_DEVICE_METHODS;
AzureIoTClient 12:658ca6865de2 566 }
AzureIoTClient 12:658ca6865de2 567 else
AzureIoTClient 12:658ca6865de2 568 {
AzureIoTClient 12:658ca6865de2 569 type = IOTHUB_TYPE_TELEMETRY;
AzureIoTClient 12:658ca6865de2 570 }
AzureIoTClient 12:658ca6865de2 571 return type;
AzureIoTClient 12:658ca6865de2 572 }
AzureIoTClient 12:658ca6865de2 573
AzureIoTClient 11:31ebaeb51e1e 574 static void sendMsgComplete(IOTHUB_MESSAGE_LIST* iothubMsgList, PMQTTTRANSPORT_HANDLE_DATA transport_data, IOTHUB_CLIENT_CONFIRMATION_RESULT confirmResult)
AzureIoTClient 11:31ebaeb51e1e 575 {
AzureIoTClient 11:31ebaeb51e1e 576 DLIST_ENTRY messageCompleted;
AzureIoTClient 11:31ebaeb51e1e 577 DList_InitializeListHead(&messageCompleted);
AzureIoTClient 11:31ebaeb51e1e 578 DList_InsertTailList(&messageCompleted, &(iothubMsgList->entry));
AzureIoTClient 11:31ebaeb51e1e 579 IoTHubClient_LL_SendComplete(transport_data->llClientHandle, &messageCompleted, confirmResult);
AzureIoTClient 11:31ebaeb51e1e 580 }
AzureIoTClient 11:31ebaeb51e1e 581
AzureIoTClient 37:e6a799428f3d 582 static int addUserPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, STRING_HANDLE topic_string, size_t* index_ptr, bool urlencode)
AzureIoTClient 11:31ebaeb51e1e 583 {
AzureIoTClient 37:e6a799428f3d 584 int result = 0;
AzureIoTClient 11:31ebaeb51e1e 585 const char* const* propertyKeys;
AzureIoTClient 11:31ebaeb51e1e 586 const char* const* propertyValues;
AzureIoTClient 11:31ebaeb51e1e 587 size_t propertyCount;
AzureIoTClient 37:e6a799428f3d 588 size_t index = *index_ptr;
AzureIoTClient 11:31ebaeb51e1e 589 MAP_HANDLE properties_map = IoTHubMessage_Properties(iothub_message_handle);
AzureIoTClient 11:31ebaeb51e1e 590 if (properties_map != NULL)
AzureIoTClient 11:31ebaeb51e1e 591 {
AzureIoTClient 11:31ebaeb51e1e 592 if (Map_GetInternals(properties_map, &propertyKeys, &propertyValues, &propertyCount) != MAP_OK)
AzureIoTClient 11:31ebaeb51e1e 593 {
AzureIoTClient 11:31ebaeb51e1e 594 LogError("Failed to get the internals of the property map.");
AzureIoTClient 37:e6a799428f3d 595 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 596 }
AzureIoTClient 11:31ebaeb51e1e 597 else
AzureIoTClient 11:31ebaeb51e1e 598 {
AzureIoTClient 11:31ebaeb51e1e 599 if (propertyCount != 0)
AzureIoTClient 11:31ebaeb51e1e 600 {
AzureIoTClient 37:e6a799428f3d 601 for (index = 0; index < propertyCount && result == 0; index++)
AzureIoTClient 11:31ebaeb51e1e 602 {
AzureIoTClient 37:e6a799428f3d 603 if (urlencode)
AzureIoTClient 11:31ebaeb51e1e 604 {
AzureIoTClient 37:e6a799428f3d 605 STRING_HANDLE property_key = URL_EncodeString(propertyKeys[index]);
AzureIoTClient 37:e6a799428f3d 606 STRING_HANDLE property_value = URL_EncodeString(propertyValues[index]);
AzureIoTClient 37:e6a799428f3d 607 if ((property_key == NULL) || (property_value == NULL))
AzureIoTClient 37:e6a799428f3d 608 {
AzureIoTClient 37:e6a799428f3d 609 LogError("Failed URL Encoding properties");
AzureIoTClient 37:e6a799428f3d 610 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 611 }
AzureIoTClient 37:e6a799428f3d 612 else if (STRING_sprintf(topic_string, "%s=%s%s", STRING_c_str(property_key), STRING_c_str(property_value), propertyCount - 1 == index ? "" : PROPERTY_SEPARATOR) != 0)
AzureIoTClient 37:e6a799428f3d 613 {
AzureIoTClient 37:e6a799428f3d 614 LogError("Failed constructing property string.");
AzureIoTClient 37:e6a799428f3d 615 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 616 }
AzureIoTClient 37:e6a799428f3d 617 STRING_delete(property_key);
AzureIoTClient 37:e6a799428f3d 618 STRING_delete(property_value);
AzureIoTClient 37:e6a799428f3d 619 }
AzureIoTClient 37:e6a799428f3d 620 else
AzureIoTClient 37:e6a799428f3d 621 {
AzureIoTClient 37:e6a799428f3d 622 if (STRING_sprintf(topic_string, "%s=%s%s", propertyKeys[index], propertyValues[index], propertyCount - 1 == index ? "" : PROPERTY_SEPARATOR) != 0)
AzureIoTClient 37:e6a799428f3d 623 {
AzureIoTClient 37:e6a799428f3d 624 LogError("Failed constructing property string.");
AzureIoTClient 37:e6a799428f3d 625 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 626 }
AzureIoTClient 11:31ebaeb51e1e 627 }
AzureIoTClient 11:31ebaeb51e1e 628 }
AzureIoTClient 11:31ebaeb51e1e 629 }
AzureIoTClient 11:31ebaeb51e1e 630 }
AzureIoTClient 11:31ebaeb51e1e 631 }
AzureIoTClient 37:e6a799428f3d 632 *index_ptr = index;
AzureIoTClient 37:e6a799428f3d 633 return result;
AzureIoTClient 37:e6a799428f3d 634 }
AzureIoTClient 37:e6a799428f3d 635
AzureIoTClient 37:e6a799428f3d 636 static int addSystemPropertyToTopicString(STRING_HANDLE topic_string, size_t index, const char* property_key, const char* property_value, bool urlencode)
AzureIoTClient 37:e6a799428f3d 637 {
AzureIoTClient 37:e6a799428f3d 638 int result = 0;
AzureIoTClient 37:e6a799428f3d 639
AzureIoTClient 37:e6a799428f3d 640 if (urlencode)
AzureIoTClient 37:e6a799428f3d 641 {
AzureIoTClient 37:e6a799428f3d 642 STRING_HANDLE encoded_property_value = URL_EncodeString(property_value);
AzureIoTClient 37:e6a799428f3d 643 if (encoded_property_value == NULL)
AzureIoTClient 37:e6a799428f3d 644 {
AzureIoTClient 37:e6a799428f3d 645 LogError("Failed URL encoding %s.", property_key);
AzureIoTClient 37:e6a799428f3d 646 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 647 }
AzureIoTClient 37:e6a799428f3d 648 else if (STRING_sprintf(topic_string, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, property_key, STRING_c_str(encoded_property_value)) != 0)
AzureIoTClient 37:e6a799428f3d 649 {
AzureIoTClient 37:e6a799428f3d 650 LogError("Failed setting %s.", property_key);
AzureIoTClient 37:e6a799428f3d 651 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 652 }
AzureIoTClient 37:e6a799428f3d 653 STRING_delete(encoded_property_value);
AzureIoTClient 37:e6a799428f3d 654 }
AzureIoTClient 37:e6a799428f3d 655 else
AzureIoTClient 37:e6a799428f3d 656 {
AzureIoTClient 37:e6a799428f3d 657 if (STRING_sprintf(topic_string, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, property_key, property_value) != 0)
AzureIoTClient 37:e6a799428f3d 658 {
AzureIoTClient 37:e6a799428f3d 659 LogError("Failed setting %s.", property_key);
AzureIoTClient 37:e6a799428f3d 660 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 661 }
AzureIoTClient 37:e6a799428f3d 662 }
AzureIoTClient 37:e6a799428f3d 663 return result;
AzureIoTClient 37:e6a799428f3d 664 }
AzureIoTClient 37:e6a799428f3d 665
AzureIoTClient 37:e6a799428f3d 666 static int addSystemPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, STRING_HANDLE topic_string, size_t* index_ptr, bool urlencode)
AzureIoTClient 37:e6a799428f3d 667 {
AzureIoTClient 37:e6a799428f3d 668 (void)urlencode;
AzureIoTClient 37:e6a799428f3d 669 int result = 0;
AzureIoTClient 37:e6a799428f3d 670 size_t index = *index_ptr;
AzureIoTClient 23:84f4c36da8c1 671
AzureIoTClient 23:84f4c36da8c1 672 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_052: [ IoTHubTransport_MQTT_Common_DoWork shall check for the CorrelationId property and if found add the value as a system property in the format of $.cid=<id> ] */
AzureIoTClient 37:e6a799428f3d 673 const char* correlation_id = IoTHubMessage_GetCorrelationId(iothub_message_handle);
AzureIoTClient 37:e6a799428f3d 674 if (correlation_id != NULL)
AzureIoTClient 23:84f4c36da8c1 675 {
AzureIoTClient 37:e6a799428f3d 676 result = addSystemPropertyToTopicString(topic_string, index, CORRELATION_ID_PROPERTY, correlation_id, urlencode);
AzureIoTClient 37:e6a799428f3d 677 index++;
AzureIoTClient 23:84f4c36da8c1 678 }
AzureIoTClient 23:84f4c36da8c1 679 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_053: [ IoTHubTransport_MQTT_Common_DoWork shall check for the MessageId property and if found add the value as a system property in the format of $.mid=<id> ] */
AzureIoTClient 37:e6a799428f3d 680 if (result == 0)
AzureIoTClient 23:84f4c36da8c1 681 {
AzureIoTClient 23:84f4c36da8c1 682 const char* msg_id = IoTHubMessage_GetMessageId(iothub_message_handle);
AzureIoTClient 23:84f4c36da8c1 683 if (msg_id != NULL)
AzureIoTClient 23:84f4c36da8c1 684 {
AzureIoTClient 37:e6a799428f3d 685 result = addSystemPropertyToTopicString(topic_string, index, MESSAGE_ID_PROPERTY, msg_id, urlencode);
AzureIoTClient 27:04de3c0bf1db 686 index++;
AzureIoTClient 27:04de3c0bf1db 687 }
AzureIoTClient 27:04de3c0bf1db 688 }
AzureIoTClient 27:04de3c0bf1db 689 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_010: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the ContentType property and if found add the `value` as a system property in the format of `$.ct=<value>` ]
AzureIoTClient 37:e6a799428f3d 690 if (result == 0)
AzureIoTClient 27:04de3c0bf1db 691 {
AzureIoTClient 27:04de3c0bf1db 692 const char* content_type = IoTHubMessage_GetContentTypeSystemProperty(iothub_message_handle);
AzureIoTClient 27:04de3c0bf1db 693 if (content_type != NULL)
AzureIoTClient 27:04de3c0bf1db 694 {
AzureIoTClient 37:e6a799428f3d 695 result = addSystemPropertyToTopicString(topic_string, index, CONTENT_TYPE_PROPERTY, content_type, urlencode);
AzureIoTClient 27:04de3c0bf1db 696 index++;
AzureIoTClient 23:84f4c36da8c1 697 }
AzureIoTClient 23:84f4c36da8c1 698 }
AzureIoTClient 27:04de3c0bf1db 699 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_011: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the ContentEncoding property and if found add the `value` as a system property in the format of `$.ce=<value>` ]
AzureIoTClient 37:e6a799428f3d 700 if (result == 0)
AzureIoTClient 27:04de3c0bf1db 701 {
AzureIoTClient 27:04de3c0bf1db 702 const char* content_encoding = IoTHubMessage_GetContentEncodingSystemProperty(iothub_message_handle);
AzureIoTClient 27:04de3c0bf1db 703 if (content_encoding != NULL)
AzureIoTClient 27:04de3c0bf1db 704 {
AzureIoTClient 37:e6a799428f3d 705 result = addSystemPropertyToTopicString(topic_string, index, CONTENT_ENCODING_PROPERTY, content_encoding, urlencode);
AzureIoTClient 27:04de3c0bf1db 706 index++;
AzureIoTClient 27:04de3c0bf1db 707 }
AzureIoTClient 27:04de3c0bf1db 708 }
AzureIoTClient 37:e6a799428f3d 709 *index_ptr = index;
AzureIoTClient 37:e6a799428f3d 710 return result;
AzureIoTClient 37:e6a799428f3d 711 }
AzureIoTClient 37:e6a799428f3d 712
AzureIoTClient 37:e6a799428f3d 713 static int addDiagnosticPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, STRING_HANDLE topic_string, size_t* index_ptr)
AzureIoTClient 37:e6a799428f3d 714 {
AzureIoTClient 37:e6a799428f3d 715 int result = 0;
AzureIoTClient 37:e6a799428f3d 716 size_t index = *index_ptr;
AzureIoTClient 27:04de3c0bf1db 717
AzureIoTClient 30:52ff609606c8 718 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_014: [ `IoTHubTransport_MQTT_Common_DoWork` shall check for the diagnostic properties including diagid and diagCreationTimeUtc and if found both add them as system property in the format of `$.diagid` and `$.diagctx` respectively]
AzureIoTClient 37:e6a799428f3d 719 const IOTHUB_MESSAGE_DIAGNOSTIC_PROPERTY_DATA* diagnosticData = IoTHubMessage_GetDiagnosticPropertyData(iothub_message_handle);
AzureIoTClient 37:e6a799428f3d 720 if (diagnosticData != NULL)
AzureIoTClient 30:52ff609606c8 721 {
AzureIoTClient 37:e6a799428f3d 722 const char* diag_id = diagnosticData->diagnosticId;
AzureIoTClient 37:e6a799428f3d 723 const char* creation_time_utc = diagnosticData->diagnosticCreationTimeUtc;
AzureIoTClient 37:e6a799428f3d 724 //diagid and creationtimeutc must be present/unpresent simultaneously
AzureIoTClient 37:e6a799428f3d 725 if (diag_id != NULL && creation_time_utc != NULL)
AzureIoTClient 30:52ff609606c8 726 {
AzureIoTClient 37:e6a799428f3d 727 if (STRING_sprintf(topic_string, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, DIAGNOSTIC_ID_PROPERTY, diag_id) != 0)
AzureIoTClient 30:52ff609606c8 728 {
AzureIoTClient 37:e6a799428f3d 729 LogError("Failed setting diagnostic id");
AzureIoTClient 37:e6a799428f3d 730 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 731 }
AzureIoTClient 37:e6a799428f3d 732 index++;
AzureIoTClient 37:e6a799428f3d 733
AzureIoTClient 37:e6a799428f3d 734 if (result == 0)
AzureIoTClient 37:e6a799428f3d 735 {
AzureIoTClient 37:e6a799428f3d 736 //construct diagnostic context, it should be urlencode(key1=value1,key2=value2)
AzureIoTClient 37:e6a799428f3d 737 STRING_HANDLE diagContextHandle = STRING_construct_sprintf("%s=%s", DIAGNOSTIC_CONTEXT_CREATION_TIME_UTC_PROPERTY, creation_time_utc);
AzureIoTClient 37:e6a799428f3d 738 if (diagContextHandle == NULL)
AzureIoTClient 30:52ff609606c8 739 {
AzureIoTClient 37:e6a799428f3d 740 LogError("Failed constructing diagnostic context");
AzureIoTClient 37:e6a799428f3d 741 result = __FAILURE__;
AzureIoTClient 30:52ff609606c8 742 }
AzureIoTClient 37:e6a799428f3d 743 else
AzureIoTClient 30:52ff609606c8 744 {
AzureIoTClient 37:e6a799428f3d 745 //Add other diagnostic context properties here if have more
AzureIoTClient 37:e6a799428f3d 746 STRING_HANDLE encodedContextValueHandle = URL_Encode(diagContextHandle);
AzureIoTClient 37:e6a799428f3d 747 const char* encodedContextValueString = NULL;
AzureIoTClient 37:e6a799428f3d 748 if (encodedContextValueHandle != NULL &&
AzureIoTClient 37:e6a799428f3d 749 (encodedContextValueString = STRING_c_str(encodedContextValueHandle)) != NULL)
AzureIoTClient 30:52ff609606c8 750 {
AzureIoTClient 37:e6a799428f3d 751 if (STRING_sprintf(topic_string, "%s%%24.%s=%s", index == 0 ? "" : PROPERTY_SEPARATOR, DIAGNOSTIC_CONTEXT_PROPERTY, encodedContextValueString) != 0)
AzureIoTClient 37:e6a799428f3d 752 {
AzureIoTClient 37:e6a799428f3d 753 LogError("Failed setting diagnostic context");
AzureIoTClient 37:e6a799428f3d 754 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 755 }
AzureIoTClient 37:e6a799428f3d 756 STRING_delete(encodedContextValueHandle);
AzureIoTClient 37:e6a799428f3d 757 encodedContextValueHandle = NULL;
AzureIoTClient 30:52ff609606c8 758 }
AzureIoTClient 30:52ff609606c8 759 else
AzureIoTClient 30:52ff609606c8 760 {
AzureIoTClient 37:e6a799428f3d 761 LogError("Failed encoding diagnostic context value");
AzureIoTClient 37:e6a799428f3d 762 result = __FAILURE__;
AzureIoTClient 30:52ff609606c8 763 }
AzureIoTClient 37:e6a799428f3d 764 STRING_delete(diagContextHandle);
AzureIoTClient 37:e6a799428f3d 765 diagContextHandle = NULL;
AzureIoTClient 37:e6a799428f3d 766 index++;
AzureIoTClient 30:52ff609606c8 767 }
AzureIoTClient 30:52ff609606c8 768 }
AzureIoTClient 37:e6a799428f3d 769 }
AzureIoTClient 37:e6a799428f3d 770 else if (diag_id != NULL || creation_time_utc != NULL)
AzureIoTClient 37:e6a799428f3d 771 {
AzureIoTClient 37:e6a799428f3d 772 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_015: [ `IoTHubTransport_MQTT_Common_DoWork` shall check whether diagid and diagCreationTimeUtc be present simultaneously, treat as error if not]
AzureIoTClient 37:e6a799428f3d 773 LogError("diagid and diagcreationtimeutc must be present simultaneously.");
AzureIoTClient 37:e6a799428f3d 774 result = __FAILURE__;
AzureIoTClient 30:52ff609606c8 775 }
AzureIoTClient 30:52ff609606c8 776 }
AzureIoTClient 37:e6a799428f3d 777 return result;
AzureIoTClient 37:e6a799428f3d 778 }
AzureIoTClient 37:e6a799428f3d 779
AzureIoTClient 37:e6a799428f3d 780
AzureIoTClient 37:e6a799428f3d 781 static STRING_HANDLE addPropertiesTouMqttMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, const char* eventTopic, bool urlencode)
AzureIoTClient 37:e6a799428f3d 782 {
AzureIoTClient 37:e6a799428f3d 783 size_t index = 0;
AzureIoTClient 37:e6a799428f3d 784 STRING_HANDLE result = STRING_construct(eventTopic);
AzureIoTClient 37:e6a799428f3d 785 if (result == NULL)
AzureIoTClient 37:e6a799428f3d 786 {
AzureIoTClient 37:e6a799428f3d 787 LogError("Failed to create event topic string handle");
AzureIoTClient 37:e6a799428f3d 788 }
AzureIoTClient 37:e6a799428f3d 789 else if (addUserPropertiesTouMqttMessage(iothub_message_handle, result, &index, urlencode) != 0)
AzureIoTClient 37:e6a799428f3d 790 {
AzureIoTClient 37:e6a799428f3d 791 LogError("Failed adding Properties to uMQTT Message");
AzureIoTClient 37:e6a799428f3d 792 STRING_delete(result);
AzureIoTClient 37:e6a799428f3d 793 result = NULL;
AzureIoTClient 37:e6a799428f3d 794 }
AzureIoTClient 37:e6a799428f3d 795 else if (addSystemPropertiesTouMqttMessage(iothub_message_handle, result, &index, urlencode) != 0)
AzureIoTClient 37:e6a799428f3d 796 {
AzureIoTClient 37:e6a799428f3d 797 LogError("Failed adding System Properties to uMQTT Message");
AzureIoTClient 37:e6a799428f3d 798 STRING_delete(result);
AzureIoTClient 37:e6a799428f3d 799 result = NULL;
AzureIoTClient 37:e6a799428f3d 800 }
AzureIoTClient 37:e6a799428f3d 801 else if (addDiagnosticPropertiesTouMqttMessage(iothub_message_handle, result, &index) != 0)
AzureIoTClient 37:e6a799428f3d 802 {
AzureIoTClient 37:e6a799428f3d 803 LogError("Failed adding Diagnostic Properties to uMQTT Message");
AzureIoTClient 37:e6a799428f3d 804 STRING_delete(result);
AzureIoTClient 37:e6a799428f3d 805 result = NULL;
AzureIoTClient 37:e6a799428f3d 806 }
AzureIoTClient 30:52ff609606c8 807
AzureIoTClient 11:31ebaeb51e1e 808 return result;
AzureIoTClient 11:31ebaeb51e1e 809 }
AzureIoTClient 11:31ebaeb51e1e 810
AzureIoTClient 11:31ebaeb51e1e 811 static int publish_mqtt_telemetry_msg(PMQTTTRANSPORT_HANDLE_DATA transport_data, MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry, const unsigned char* payload, size_t len)
AzureIoTClient 11:31ebaeb51e1e 812 {
AzureIoTClient 11:31ebaeb51e1e 813 int result;
AzureIoTClient 37:e6a799428f3d 814 STRING_HANDLE msgTopic = addPropertiesTouMqttMessage(mqttMsgEntry->iotHubMessageEntry->messageHandle, STRING_c_str(transport_data->topic_MqttEvent), transport_data->auto_url_encode_decode);
AzureIoTClient 11:31ebaeb51e1e 815 if (msgTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 816 {
AzureIoTClient 27:04de3c0bf1db 817 LogError("Failed adding properties to mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 818 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 819 }
AzureIoTClient 11:31ebaeb51e1e 820 else
AzureIoTClient 11:31ebaeb51e1e 821 {
AzureIoTClient 11:31ebaeb51e1e 822 MQTT_MESSAGE_HANDLE mqttMsg = mqttmessage_create(mqttMsgEntry->packet_id, STRING_c_str(msgTopic), DELIVER_AT_LEAST_ONCE, payload, len);
AzureIoTClient 11:31ebaeb51e1e 823 if (mqttMsg == NULL)
AzureIoTClient 11:31ebaeb51e1e 824 {
AzureIoTClient 27:04de3c0bf1db 825 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 826 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 827 }
AzureIoTClient 11:31ebaeb51e1e 828 else
AzureIoTClient 11:31ebaeb51e1e 829 {
Azure.IoT.Build 13:606465879c57 830 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqttMsgEntry->msgPublishTime) != 0)
AzureIoTClient 11:31ebaeb51e1e 831 {
AzureIoTClient 11:31ebaeb51e1e 832 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 833 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 834 }
AzureIoTClient 11:31ebaeb51e1e 835 else
AzureIoTClient 11:31ebaeb51e1e 836 {
AzureIoTClient 11:31ebaeb51e1e 837 if (mqtt_client_publish(transport_data->mqttClient, mqttMsg) != 0)
AzureIoTClient 11:31ebaeb51e1e 838 {
AzureIoTClient 27:04de3c0bf1db 839 LogError("Failed attempting to publish mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 840 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 841 }
AzureIoTClient 11:31ebaeb51e1e 842 else
AzureIoTClient 11:31ebaeb51e1e 843 {
AzureIoTClient 11:31ebaeb51e1e 844 mqttMsgEntry->retryCount++;
AzureIoTClient 11:31ebaeb51e1e 845 result = 0;
AzureIoTClient 11:31ebaeb51e1e 846 }
AzureIoTClient 11:31ebaeb51e1e 847 }
AzureIoTClient 11:31ebaeb51e1e 848 mqttmessage_destroy(mqttMsg);
AzureIoTClient 11:31ebaeb51e1e 849 }
AzureIoTClient 11:31ebaeb51e1e 850 STRING_delete(msgTopic);
AzureIoTClient 11:31ebaeb51e1e 851 }
AzureIoTClient 11:31ebaeb51e1e 852 return result;
AzureIoTClient 11:31ebaeb51e1e 853 }
AzureIoTClient 11:31ebaeb51e1e 854
AzureIoTClient 14:4dc2b011be33 855 static int publish_device_method_message(MQTTTRANSPORT_HANDLE_DATA* transport_data, int status_code, STRING_HANDLE request_id, const unsigned char* response, size_t response_size)
AzureIoTClient 12:658ca6865de2 856 {
AzureIoTClient 12:658ca6865de2 857 int result;
AzureIoTClient 12:658ca6865de2 858 uint16_t packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 859
AzureIoTClient 14:4dc2b011be33 860 STRING_HANDLE msg_topic = STRING_construct_sprintf(DEVICE_METHOD_RESPONSE_TOPIC, status_code, STRING_c_str(request_id) );
AzureIoTClient 12:658ca6865de2 861 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 862 {
AzureIoTClient 12:658ca6865de2 863 LogError("Failed constructing message topic.");
AzureIoTClient 18:ec8e5e97c6a4 864 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 865 }
AzureIoTClient 12:658ca6865de2 866 else
AzureIoTClient 12:658ca6865de2 867 {
AzureIoTClient 14:4dc2b011be33 868 MQTT_MESSAGE_HANDLE mqtt_get_msg = mqttmessage_create(packet_id, STRING_c_str(msg_topic), DELIVER_AT_MOST_ONCE, response, response_size);
AzureIoTClient 12:658ca6865de2 869 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 870 {
AzureIoTClient 12:658ca6865de2 871 LogError("Failed constructing mqtt message.");
AzureIoTClient 18:ec8e5e97c6a4 872 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 873 }
AzureIoTClient 12:658ca6865de2 874 else
AzureIoTClient 12:658ca6865de2 875 {
AzureIoTClient 12:658ca6865de2 876 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 877 {
AzureIoTClient 12:658ca6865de2 878 LogError("Failed publishing to mqtt client.");
AzureIoTClient 18:ec8e5e97c6a4 879 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 880 }
AzureIoTClient 12:658ca6865de2 881 else
AzureIoTClient 12:658ca6865de2 882 {
AzureIoTClient 12:658ca6865de2 883 result = 0;
AzureIoTClient 12:658ca6865de2 884 }
AzureIoTClient 12:658ca6865de2 885 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 886 }
AzureIoTClient 12:658ca6865de2 887 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 888 }
AzureIoTClient 12:658ca6865de2 889 return result;
AzureIoTClient 12:658ca6865de2 890 }
AzureIoTClient 12:658ca6865de2 891
AzureIoTClient 12:658ca6865de2 892 static int publish_device_twin_get_message(MQTTTRANSPORT_HANDLE_DATA* transport_data)
AzureIoTClient 12:658ca6865de2 893 {
AzureIoTClient 12:658ca6865de2 894 int result;
AzureIoTClient 12:658ca6865de2 895 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 896 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 897 {
AzureIoTClient 12:658ca6865de2 898 LogError("Failed allocating device twin data.");
AzureIoTClient 18:ec8e5e97c6a4 899 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 900 }
AzureIoTClient 12:658ca6865de2 901 else
AzureIoTClient 12:658ca6865de2 902 {
AzureIoTClient 12:658ca6865de2 903 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 904 mqtt_info->iothub_msg_id = 0;
AzureIoTClient 12:658ca6865de2 905 mqtt_info->device_twin_msg_type = RETRIEVE_PROPERTIES;
AzureIoTClient 12:658ca6865de2 906 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 907 mqtt_info->msgPublishTime = 0;
AzureIoTClient 12:658ca6865de2 908 mqtt_info->iothub_type = IOTHUB_TYPE_DEVICE_TWIN;
AzureIoTClient 12:658ca6865de2 909 mqtt_info->device_twin_data = NULL;
AzureIoTClient 12:658ca6865de2 910 STRING_HANDLE msg_topic = STRING_construct_sprintf(GET_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 911 if (msg_topic == NULL)
AzureIoTClient 12:658ca6865de2 912 {
AzureIoTClient 12:658ca6865de2 913 LogError("Failed constructing get Prop topic.");
AzureIoTClient 12:658ca6865de2 914 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 915 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 916 }
AzureIoTClient 12:658ca6865de2 917 else
AzureIoTClient 12:658ca6865de2 918 {
AzureIoTClient 12:658ca6865de2 919 MQTT_MESSAGE_HANDLE mqtt_get_msg = mqttmessage_create(mqtt_info->packet_id, STRING_c_str(msg_topic), DELIVER_AT_MOST_ONCE, NULL, 0);
AzureIoTClient 12:658ca6865de2 920 if (mqtt_get_msg == NULL)
AzureIoTClient 12:658ca6865de2 921 {
AzureIoTClient 12:658ca6865de2 922 LogError("Failed constructing mqtt message.");
AzureIoTClient 12:658ca6865de2 923 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 924 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 925 }
AzureIoTClient 12:658ca6865de2 926 else
AzureIoTClient 12:658ca6865de2 927 {
AzureIoTClient 12:658ca6865de2 928 if (mqtt_client_publish(transport_data->mqttClient, mqtt_get_msg) != 0)
AzureIoTClient 12:658ca6865de2 929 {
AzureIoTClient 12:658ca6865de2 930 LogError("Failed publishing to mqtt client.");
AzureIoTClient 12:658ca6865de2 931 free(mqtt_info);
AzureIoTClient 18:ec8e5e97c6a4 932 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 933 }
AzureIoTClient 12:658ca6865de2 934 else
AzureIoTClient 12:658ca6865de2 935 {
AzureIoTClient 12:658ca6865de2 936 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 937 result = 0;
AzureIoTClient 12:658ca6865de2 938 }
AzureIoTClient 12:658ca6865de2 939 mqttmessage_destroy(mqtt_get_msg);
AzureIoTClient 12:658ca6865de2 940 }
AzureIoTClient 12:658ca6865de2 941 STRING_delete(msg_topic);
AzureIoTClient 12:658ca6865de2 942 }
AzureIoTClient 12:658ca6865de2 943 }
AzureIoTClient 12:658ca6865de2 944 return result;
AzureIoTClient 12:658ca6865de2 945 }
AzureIoTClient 12:658ca6865de2 946
AzureIoTClient 12:658ca6865de2 947 static int publish_device_twin_message(MQTTTRANSPORT_HANDLE_DATA* transport_data, IOTHUB_DEVICE_TWIN* device_twin_info, MQTT_DEVICE_TWIN_ITEM* mqtt_info)
AzureIoTClient 12:658ca6865de2 948 {
AzureIoTClient 12:658ca6865de2 949 int result;
AzureIoTClient 12:658ca6865de2 950 mqtt_info->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 12:658ca6865de2 951 mqtt_info->device_twin_msg_type = REPORTED_STATE;
AzureIoTClient 12:658ca6865de2 952 STRING_HANDLE msgTopic = STRING_construct_sprintf(REPORTED_PROPERTIES_TOPIC, mqtt_info->packet_id);
AzureIoTClient 12:658ca6865de2 953 if (msgTopic == NULL)
AzureIoTClient 12:658ca6865de2 954 {
AzureIoTClient 12:658ca6865de2 955 LogError("Failed constructing reported prop topic.");
AzureIoTClient 18:ec8e5e97c6a4 956 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 957 }
AzureIoTClient 12:658ca6865de2 958 else
AzureIoTClient 12:658ca6865de2 959 {
AzureIoTClient 12:658ca6865de2 960 const CONSTBUFFER* data_buff = CONSTBUFFER_GetContent(device_twin_info->report_data_handle);
AzureIoTClient 12:658ca6865de2 961 MQTT_MESSAGE_HANDLE mqtt_rpt_msg = mqttmessage_create(mqtt_info->packet_id, STRING_c_str(msgTopic), DELIVER_AT_MOST_ONCE, data_buff->buffer, data_buff->size);
AzureIoTClient 12:658ca6865de2 962 if (mqtt_rpt_msg == NULL)
AzureIoTClient 12:658ca6865de2 963 {
AzureIoTClient 12:658ca6865de2 964 LogError("Failed creating mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 965 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 966 }
AzureIoTClient 12:658ca6865de2 967 else
AzureIoTClient 12:658ca6865de2 968 {
Azure.IoT.Build 13:606465879c57 969 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &mqtt_info->msgPublishTime) != 0)
AzureIoTClient 12:658ca6865de2 970 {
AzureIoTClient 12:658ca6865de2 971 LogError("Failed retrieving tickcounter info");
AzureIoTClient 18:ec8e5e97c6a4 972 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 973 }
AzureIoTClient 12:658ca6865de2 974 else
AzureIoTClient 12:658ca6865de2 975 {
AzureIoTClient 12:658ca6865de2 976 if (mqtt_client_publish(transport_data->mqttClient, mqtt_rpt_msg) != 0)
AzureIoTClient 12:658ca6865de2 977 {
AzureIoTClient 12:658ca6865de2 978 LogError("Failed publishing mqtt message");
AzureIoTClient 18:ec8e5e97c6a4 979 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 980 }
AzureIoTClient 12:658ca6865de2 981 else
AzureIoTClient 12:658ca6865de2 982 {
AzureIoTClient 12:658ca6865de2 983 mqtt_info->retryCount++;
AzureIoTClient 12:658ca6865de2 984 result = 0;
AzureIoTClient 12:658ca6865de2 985 }
AzureIoTClient 12:658ca6865de2 986 }
AzureIoTClient 12:658ca6865de2 987 mqttmessage_destroy(mqtt_rpt_msg);
AzureIoTClient 12:658ca6865de2 988 }
AzureIoTClient 12:658ca6865de2 989 STRING_delete(msgTopic);
AzureIoTClient 12:658ca6865de2 990 }
AzureIoTClient 12:658ca6865de2 991 return result;
AzureIoTClient 12:658ca6865de2 992 }
AzureIoTClient 12:658ca6865de2 993
AzureIoTClient 11:31ebaeb51e1e 994 static bool isSystemProperty(const char* tokenData)
AzureIoTClient 11:31ebaeb51e1e 995 {
AzureIoTClient 11:31ebaeb51e1e 996 bool result = false;
AzureIoTClient 11:31ebaeb51e1e 997 size_t propCount = sizeof(sysPropList)/sizeof(sysPropList[0]);
AzureIoTClient 16:14640ee83e99 998 size_t index = 0;
AzureIoTClient 16:14640ee83e99 999 for (index = 0; index < propCount; index++)
AzureIoTClient 11:31ebaeb51e1e 1000 {
AzureIoTClient 11:31ebaeb51e1e 1001 if (memcmp(tokenData, sysPropList[index].propName, sysPropList[index].propLength) == 0)
AzureIoTClient 11:31ebaeb51e1e 1002 {
AzureIoTClient 11:31ebaeb51e1e 1003 result = true;
AzureIoTClient 11:31ebaeb51e1e 1004 break;
AzureIoTClient 11:31ebaeb51e1e 1005 }
AzureIoTClient 11:31ebaeb51e1e 1006 }
AzureIoTClient 11:31ebaeb51e1e 1007 return result;
AzureIoTClient 11:31ebaeb51e1e 1008 }
AzureIoTClient 11:31ebaeb51e1e 1009
AzureIoTClient 31:d6198e67d1eb 1010 static int setMqttMessagePropertyIfPossible(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* propName, const char* propValue, size_t nameLen)
AzureIoTClient 31:d6198e67d1eb 1011 {
AzureIoTClient 31:d6198e67d1eb 1012 // Not finding a system property to map to isn't an error.
AzureIoTClient 31:d6198e67d1eb 1013 int result = 0;
AzureIoTClient 31:d6198e67d1eb 1014
AzureIoTClient 31:d6198e67d1eb 1015 if (nameLen > 2)
AzureIoTClient 31:d6198e67d1eb 1016 {
AzureIoTClient 31:d6198e67d1eb 1017 if (nameLen > 3)
AzureIoTClient 31:d6198e67d1eb 1018 {
AzureIoTClient 31:d6198e67d1eb 1019 if (strcmp((const char*)&propName[nameLen - 3], MESSAGE_ID_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 1020 {
AzureIoTClient 31:d6198e67d1eb 1021 if (IoTHubMessage_SetMessageId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 1022 {
AzureIoTClient 31:d6198e67d1eb 1023 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'messageId' property.");
AzureIoTClient 31:d6198e67d1eb 1024 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 1025 }
AzureIoTClient 31:d6198e67d1eb 1026 }
AzureIoTClient 31:d6198e67d1eb 1027 else if (strcmp((const char*)&propName[nameLen - 3], CORRELATION_ID_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 1028 {
AzureIoTClient 31:d6198e67d1eb 1029 if (IoTHubMessage_SetCorrelationId(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 1030 {
AzureIoTClient 31:d6198e67d1eb 1031 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'correlationId' property.");
AzureIoTClient 31:d6198e67d1eb 1032 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 1033 }
AzureIoTClient 31:d6198e67d1eb 1034 }
AzureIoTClient 31:d6198e67d1eb 1035 }
AzureIoTClient 31:d6198e67d1eb 1036
AzureIoTClient 31:d6198e67d1eb 1037 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_012: [ If type is IOTHUB_TYPE_TELEMETRY and the system property `$.ct` is defined, its value shall be set on the IOTHUB_MESSAGE_HANDLE's ContentType property ]
AzureIoTClient 31:d6198e67d1eb 1038 if (strcmp((const char*)&propName[nameLen - 2], CONTENT_TYPE_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 1039 {
AzureIoTClient 31:d6198e67d1eb 1040 if (IoTHubMessage_SetContentTypeSystemProperty(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 1041 {
AzureIoTClient 31:d6198e67d1eb 1042 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'customContentType' property.");
AzureIoTClient 31:d6198e67d1eb 1043 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 1044 }
AzureIoTClient 31:d6198e67d1eb 1045 }
AzureIoTClient 31:d6198e67d1eb 1046 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_013: [ If type is IOTHUB_TYPE_TELEMETRY and the system property `$.ce` is defined, its value shall be set on the IOTHUB_MESSAGE_HANDLE's ContentEncoding property ]
AzureIoTClient 31:d6198e67d1eb 1047 else if (strcmp((const char*)&propName[nameLen - 2], CONTENT_ENCODING_PROPERTY) == 0)
AzureIoTClient 31:d6198e67d1eb 1048 {
AzureIoTClient 31:d6198e67d1eb 1049 if (IoTHubMessage_SetContentEncodingSystemProperty(IoTHubMessage, propValue) != IOTHUB_MESSAGE_OK)
AzureIoTClient 31:d6198e67d1eb 1050 {
AzureIoTClient 31:d6198e67d1eb 1051 LogError("Failed to set IOTHUB_MESSAGE_HANDLE 'contentEncoding' property.");
AzureIoTClient 31:d6198e67d1eb 1052 result = __FAILURE__;
AzureIoTClient 31:d6198e67d1eb 1053 }
AzureIoTClient 31:d6198e67d1eb 1054 }
AzureIoTClient 31:d6198e67d1eb 1055 }
AzureIoTClient 31:d6198e67d1eb 1056
AzureIoTClient 31:d6198e67d1eb 1057 return result;
AzureIoTClient 31:d6198e67d1eb 1058 }
AzureIoTClient 31:d6198e67d1eb 1059
AzureIoTClient 37:e6a799428f3d 1060 static int extractMqttProperties(IOTHUB_MESSAGE_HANDLE IoTHubMessage, const char* topic_name, bool urldecode)
AzureIoTClient 11:31ebaeb51e1e 1061 {
AzureIoTClient 11:31ebaeb51e1e 1062 int result;
AzureIoTClient 11:31ebaeb51e1e 1063 STRING_HANDLE mqttTopic = STRING_construct(topic_name);
AzureIoTClient 11:31ebaeb51e1e 1064 if (mqttTopic == NULL)
AzureIoTClient 11:31ebaeb51e1e 1065 {
AzureIoTClient 11:31ebaeb51e1e 1066 LogError("Failure constructing string topic name.");
AzureIoTClient 18:ec8e5e97c6a4 1067 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1068 }
AzureIoTClient 11:31ebaeb51e1e 1069 else
AzureIoTClient 11:31ebaeb51e1e 1070 {
AzureIoTClient 11:31ebaeb51e1e 1071 STRING_TOKENIZER_HANDLE token = STRING_TOKENIZER_create(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1072 if (token != NULL)
AzureIoTClient 11:31ebaeb51e1e 1073 {
AzureIoTClient 11:31ebaeb51e1e 1074 MAP_HANDLE propertyMap = IoTHubMessage_Properties(IoTHubMessage);
AzureIoTClient 11:31ebaeb51e1e 1075 if (propertyMap == NULL)
AzureIoTClient 11:31ebaeb51e1e 1076 {
AzureIoTClient 11:31ebaeb51e1e 1077 LogError("Failure to retrieve IoTHubMessage_properties.");
AzureIoTClient 18:ec8e5e97c6a4 1078 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1079 }
AzureIoTClient 11:31ebaeb51e1e 1080 else
AzureIoTClient 11:31ebaeb51e1e 1081 {
AzureIoTClient 11:31ebaeb51e1e 1082 STRING_HANDLE output = STRING_new();
AzureIoTClient 11:31ebaeb51e1e 1083 if (output == NULL)
AzureIoTClient 11:31ebaeb51e1e 1084 {
AzureIoTClient 11:31ebaeb51e1e 1085 LogError("Failure to allocate STRING_new.");
AzureIoTClient 18:ec8e5e97c6a4 1086 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1087 }
AzureIoTClient 11:31ebaeb51e1e 1088 else
AzureIoTClient 11:31ebaeb51e1e 1089 {
AzureIoTClient 11:31ebaeb51e1e 1090 result = 0;
AzureIoTClient 18:ec8e5e97c6a4 1091
AzureIoTClient 11:31ebaeb51e1e 1092 while (STRING_TOKENIZER_get_next_token(token, output, PROPERTY_SEPARATOR) == 0 && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1093 {
AzureIoTClient 11:31ebaeb51e1e 1094 const char* tokenData = STRING_c_str(output);
AzureIoTClient 11:31ebaeb51e1e 1095 size_t tokenLen = strlen(tokenData);
AzureIoTClient 11:31ebaeb51e1e 1096 if (tokenData == NULL || tokenLen == 0)
AzureIoTClient 11:31ebaeb51e1e 1097 {
AzureIoTClient 11:31ebaeb51e1e 1098 break;
AzureIoTClient 11:31ebaeb51e1e 1099 }
AzureIoTClient 11:31ebaeb51e1e 1100 else
AzureIoTClient 11:31ebaeb51e1e 1101 {
AzureIoTClient 18:ec8e5e97c6a4 1102 if (isSystemProperty(tokenData))
AzureIoTClient 11:31ebaeb51e1e 1103 {
AzureIoTClient 11:31ebaeb51e1e 1104 const char* iterator = tokenData;
AzureIoTClient 11:31ebaeb51e1e 1105 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 11:31ebaeb51e1e 1106 {
AzureIoTClient 11:31ebaeb51e1e 1107 if (*iterator == '=')
AzureIoTClient 11:31ebaeb51e1e 1108 {
AzureIoTClient 11:31ebaeb51e1e 1109 size_t nameLen = iterator - tokenData;
AzureIoTClient 11:31ebaeb51e1e 1110 char* propName = malloc(nameLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1111
AzureIoTClient 11:31ebaeb51e1e 1112 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 11:31ebaeb51e1e 1113 char* propValue = malloc(valLen + 1);
AzureIoTClient 11:31ebaeb51e1e 1114
AzureIoTClient 11:31ebaeb51e1e 1115 if (propName == NULL || propValue == NULL)
AzureIoTClient 11:31ebaeb51e1e 1116 {
AzureIoTClient 27:04de3c0bf1db 1117 LogError("Failed allocating property name (%p) and/or value (%p)", propName, propValue);
AzureIoTClient 18:ec8e5e97c6a4 1118 result = __FAILURE__;
AzureIoTClient 18:ec8e5e97c6a4 1119 }
AzureIoTClient 18:ec8e5e97c6a4 1120 else
AzureIoTClient 18:ec8e5e97c6a4 1121 {
AzureIoTClient 18:ec8e5e97c6a4 1122 strncpy(propName, tokenData, nameLen);
AzureIoTClient 18:ec8e5e97c6a4 1123 propName[nameLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1124
AzureIoTClient 18:ec8e5e97c6a4 1125 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 18:ec8e5e97c6a4 1126 propValue[valLen] = '\0';
AzureIoTClient 18:ec8e5e97c6a4 1127
AzureIoTClient 37:e6a799428f3d 1128 if (urldecode)
AzureIoTClient 18:ec8e5e97c6a4 1129 {
AzureIoTClient 37:e6a799428f3d 1130 STRING_HANDLE propValue_decoded;
AzureIoTClient 37:e6a799428f3d 1131 if ((propValue_decoded = URL_DecodeString(propValue)) == NULL)
AzureIoTClient 37:e6a799428f3d 1132 {
AzureIoTClient 37:e6a799428f3d 1133 LogError("Failed to URL decode property value");
AzureIoTClient 37:e6a799428f3d 1134 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1135 }
AzureIoTClient 37:e6a799428f3d 1136 else if (setMqttMessagePropertyIfPossible(IoTHubMessage, propName, STRING_c_str(propValue_decoded), nameLen) != 0)
AzureIoTClient 37:e6a799428f3d 1137 {
AzureIoTClient 37:e6a799428f3d 1138 LogError("Unable to set message property");
AzureIoTClient 37:e6a799428f3d 1139 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1140 }
AzureIoTClient 37:e6a799428f3d 1141 STRING_delete(propValue_decoded);
AzureIoTClient 37:e6a799428f3d 1142 }
AzureIoTClient 37:e6a799428f3d 1143 else
AzureIoTClient 37:e6a799428f3d 1144 {
AzureIoTClient 37:e6a799428f3d 1145 if (setMqttMessagePropertyIfPossible(IoTHubMessage, propName, propValue, nameLen) != 0)
AzureIoTClient 37:e6a799428f3d 1146 {
AzureIoTClient 37:e6a799428f3d 1147 LogError("Unable to set message property");
AzureIoTClient 37:e6a799428f3d 1148 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1149 }
AzureIoTClient 18:ec8e5e97c6a4 1150 }
AzureIoTClient 18:ec8e5e97c6a4 1151 }
AzureIoTClient 18:ec8e5e97c6a4 1152 free(propName);
AzureIoTClient 18:ec8e5e97c6a4 1153 free(propValue);
AzureIoTClient 18:ec8e5e97c6a4 1154
AzureIoTClient 18:ec8e5e97c6a4 1155 break;
AzureIoTClient 18:ec8e5e97c6a4 1156 }
AzureIoTClient 18:ec8e5e97c6a4 1157 iterator++;
AzureIoTClient 18:ec8e5e97c6a4 1158 }
AzureIoTClient 18:ec8e5e97c6a4 1159 }
AzureIoTClient 37:e6a799428f3d 1160 else //User Properties
AzureIoTClient 18:ec8e5e97c6a4 1161 {
AzureIoTClient 18:ec8e5e97c6a4 1162 const char* iterator = tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1163 while (iterator != NULL && *iterator != '\0' && result == 0)
AzureIoTClient 18:ec8e5e97c6a4 1164 {
AzureIoTClient 18:ec8e5e97c6a4 1165 if (*iterator == '=')
AzureIoTClient 18:ec8e5e97c6a4 1166 {
AzureIoTClient 18:ec8e5e97c6a4 1167 size_t nameLen = iterator - tokenData;
AzureIoTClient 18:ec8e5e97c6a4 1168 char* propName = malloc(nameLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1169
AzureIoTClient 18:ec8e5e97c6a4 1170 size_t valLen = tokenLen - (nameLen + 1) + 1;
AzureIoTClient 18:ec8e5e97c6a4 1171 char* propValue = malloc(valLen + 1);
AzureIoTClient 18:ec8e5e97c6a4 1172
AzureIoTClient 18:ec8e5e97c6a4 1173 if (propName == NULL || propValue == NULL)
AzureIoTClient 18:ec8e5e97c6a4 1174 {
AzureIoTClient 18:ec8e5e97c6a4 1175 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1176 }
AzureIoTClient 11:31ebaeb51e1e 1177 else
AzureIoTClient 11:31ebaeb51e1e 1178 {
AzureIoTClient 11:31ebaeb51e1e 1179 strncpy(propName, tokenData, nameLen);
AzureIoTClient 11:31ebaeb51e1e 1180 propName[nameLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1181
AzureIoTClient 11:31ebaeb51e1e 1182 strncpy(propValue, iterator + 1, valLen);
AzureIoTClient 11:31ebaeb51e1e 1183 propValue[valLen] = '\0';
AzureIoTClient 11:31ebaeb51e1e 1184
AzureIoTClient 37:e6a799428f3d 1185 if (urldecode)
AzureIoTClient 11:31ebaeb51e1e 1186 {
AzureIoTClient 37:e6a799428f3d 1187 STRING_HANDLE propName_decoded = URL_DecodeString(propName);
AzureIoTClient 37:e6a799428f3d 1188 STRING_HANDLE propValue_decoded = URL_DecodeString(propValue);
AzureIoTClient 37:e6a799428f3d 1189 if (propName_decoded == NULL || propValue_decoded == NULL)
AzureIoTClient 37:e6a799428f3d 1190 {
AzureIoTClient 37:e6a799428f3d 1191 LogError("Failed to URL decode property");
AzureIoTClient 37:e6a799428f3d 1192 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1193 }
AzureIoTClient 37:e6a799428f3d 1194 else if (Map_AddOrUpdate(propertyMap, STRING_c_str(propName_decoded), STRING_c_str(propValue_decoded)) != MAP_OK)
AzureIoTClient 37:e6a799428f3d 1195 {
AzureIoTClient 37:e6a799428f3d 1196 LogError("Map_AddOrUpdate failed.");
AzureIoTClient 37:e6a799428f3d 1197 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1198 }
AzureIoTClient 37:e6a799428f3d 1199 STRING_delete(propName_decoded);
AzureIoTClient 37:e6a799428f3d 1200 STRING_delete(propValue_decoded);
AzureIoTClient 37:e6a799428f3d 1201 }
AzureIoTClient 37:e6a799428f3d 1202 else
AzureIoTClient 37:e6a799428f3d 1203 {
AzureIoTClient 37:e6a799428f3d 1204 if (Map_AddOrUpdate(propertyMap, propName, propValue) != MAP_OK)
AzureIoTClient 37:e6a799428f3d 1205 {
AzureIoTClient 37:e6a799428f3d 1206 LogError("Map_AddOrUpdate failed.");
AzureIoTClient 37:e6a799428f3d 1207 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1208 }
AzureIoTClient 11:31ebaeb51e1e 1209 }
AzureIoTClient 11:31ebaeb51e1e 1210 }
AzureIoTClient 11:31ebaeb51e1e 1211 free(propName);
AzureIoTClient 11:31ebaeb51e1e 1212 free(propValue);
AzureIoTClient 11:31ebaeb51e1e 1213
AzureIoTClient 11:31ebaeb51e1e 1214 break;
AzureIoTClient 11:31ebaeb51e1e 1215 }
AzureIoTClient 11:31ebaeb51e1e 1216 iterator++;
AzureIoTClient 11:31ebaeb51e1e 1217 }
AzureIoTClient 11:31ebaeb51e1e 1218 }
AzureIoTClient 11:31ebaeb51e1e 1219 }
AzureIoTClient 11:31ebaeb51e1e 1220 }
AzureIoTClient 11:31ebaeb51e1e 1221 STRING_delete(output);
AzureIoTClient 11:31ebaeb51e1e 1222 }
AzureIoTClient 11:31ebaeb51e1e 1223 }
AzureIoTClient 11:31ebaeb51e1e 1224 STRING_TOKENIZER_destroy(token);
AzureIoTClient 11:31ebaeb51e1e 1225 }
AzureIoTClient 11:31ebaeb51e1e 1226 else
AzureIoTClient 11:31ebaeb51e1e 1227 {
AzureIoTClient 11:31ebaeb51e1e 1228 LogError("Unable to create Tokenizer object.");
AzureIoTClient 18:ec8e5e97c6a4 1229 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1230 }
AzureIoTClient 11:31ebaeb51e1e 1231 STRING_delete(mqttTopic);
AzureIoTClient 11:31ebaeb51e1e 1232 }
AzureIoTClient 11:31ebaeb51e1e 1233 return result;
AzureIoTClient 11:31ebaeb51e1e 1234 }
AzureIoTClient 11:31ebaeb51e1e 1235
AzureIoTClient 11:31ebaeb51e1e 1236 static void mqtt_notification_callback(MQTT_MESSAGE_HANDLE msgHandle, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1237 {
AzureIoTClient 14:4dc2b011be33 1238 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_051: [ If msgHandle or callbackCtx is NULL, mqtt_notification_callback shall do nothing. ] */
AzureIoTClient 11:31ebaeb51e1e 1239 if (msgHandle != NULL && callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1240 {
AzureIoTClient 14:4dc2b011be33 1241 /* Tests_SRS_IOTHUB_MQTT_TRANSPORT_07_052: [ mqtt_notification_callback shall extract the topic Name from the MQTT_MESSAGE_HANDLE. ] */
AzureIoTClient 11:31ebaeb51e1e 1242 const char* topic_resp = mqttmessage_getTopicName(msgHandle);
AzureIoTClient 11:31ebaeb51e1e 1243 if (topic_resp == NULL)
AzureIoTClient 11:31ebaeb51e1e 1244 {
AzureIoTClient 11:31ebaeb51e1e 1245 LogError("Failure: NULL topic name encountered");
AzureIoTClient 11:31ebaeb51e1e 1246 }
AzureIoTClient 11:31ebaeb51e1e 1247 else
AzureIoTClient 11:31ebaeb51e1e 1248 {
AzureIoTClient 11:31ebaeb51e1e 1249 PMQTTTRANSPORT_HANDLE_DATA transportData = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1250
AzureIoTClient 12:658ca6865de2 1251 IOTHUB_IDENTITY_TYPE type = retrieve_topic_type(topic_resp);
AzureIoTClient 12:658ca6865de2 1252 if (type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 11:31ebaeb51e1e 1253 {
AzureIoTClient 12:658ca6865de2 1254 size_t request_id;
AzureIoTClient 12:658ca6865de2 1255 int status_code;
AzureIoTClient 12:658ca6865de2 1256 bool notification_msg;
AzureIoTClient 12:658ca6865de2 1257 if (parse_device_twin_topic_info(topic_resp, &notification_msg, &request_id, &status_code) != 0)
AzureIoTClient 12:658ca6865de2 1258 {
AzureIoTClient 12:658ca6865de2 1259 LogError("Failure: parsing device topic info");
AzureIoTClient 12:658ca6865de2 1260 }
AzureIoTClient 12:658ca6865de2 1261 else
AzureIoTClient 12:658ca6865de2 1262 {
AzureIoTClient 12:658ca6865de2 1263 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1264 if (notification_msg)
AzureIoTClient 12:658ca6865de2 1265 {
AzureIoTClient 12:658ca6865de2 1266 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_PARTIAL, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1267 }
AzureIoTClient 12:658ca6865de2 1268 else
AzureIoTClient 12:658ca6865de2 1269 {
AzureIoTClient 12:658ca6865de2 1270 PDLIST_ENTRY dev_twin_item = transportData->ack_waiting_queue.Flink;
AzureIoTClient 12:658ca6865de2 1271 while (dev_twin_item != &transportData->ack_waiting_queue)
AzureIoTClient 12:658ca6865de2 1272 {
AzureIoTClient 12:658ca6865de2 1273 DLIST_ENTRY saveListEntry;
AzureIoTClient 12:658ca6865de2 1274 saveListEntry.Flink = dev_twin_item->Flink;
AzureIoTClient 12:658ca6865de2 1275 MQTT_DEVICE_TWIN_ITEM* msg_entry = containingRecord(dev_twin_item, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 1276 if (request_id == msg_entry->packet_id)
AzureIoTClient 12:658ca6865de2 1277 {
AzureIoTClient 12:658ca6865de2 1278 (void)DList_RemoveEntryList(dev_twin_item);
AzureIoTClient 12:658ca6865de2 1279 if (msg_entry->device_twin_msg_type == RETRIEVE_PROPERTIES)
AzureIoTClient 12:658ca6865de2 1280 {
AzureIoTClient 14:4dc2b011be33 1281 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ If type is IOTHUB_TYPE_DEVICE_TWIN, then on success if msg_type is RETRIEVE_PROPERTIES then mqtt_notification_callback shall call IoTHubClient_LL_RetrievePropertyComplete... ] */
AzureIoTClient 12:658ca6865de2 1282 IoTHubClient_LL_RetrievePropertyComplete(transportData->llClientHandle, DEVICE_TWIN_UPDATE_COMPLETE, payload->message, payload->length);
AzureIoTClient 12:658ca6865de2 1283 }
AzureIoTClient 12:658ca6865de2 1284 else
AzureIoTClient 12:658ca6865de2 1285 {
AzureIoTClient 14:4dc2b011be33 1286 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_055: [ if device_twin_msg_type is not RETRIEVE_PROPERTIES then mqtt_notification_callback shall call IoTHubClient_LL_ReportedStateComplete ] */
AzureIoTClient 12:658ca6865de2 1287 IoTHubClient_LL_ReportedStateComplete(transportData->llClientHandle, msg_entry->iothub_msg_id, status_code);
AzureIoTClient 12:658ca6865de2 1288 }
AzureIoTClient 12:658ca6865de2 1289 free(msg_entry);
AzureIoTClient 12:658ca6865de2 1290 break;
AzureIoTClient 12:658ca6865de2 1291 }
AzureIoTClient 12:658ca6865de2 1292 dev_twin_item = saveListEntry.Flink;
AzureIoTClient 12:658ca6865de2 1293 }
AzureIoTClient 12:658ca6865de2 1294 }
AzureIoTClient 12:658ca6865de2 1295 }
AzureIoTClient 12:658ca6865de2 1296 }
AzureIoTClient 12:658ca6865de2 1297 else if (type == IOTHUB_TYPE_DEVICE_METHODS)
AzureIoTClient 12:658ca6865de2 1298 {
AzureIoTClient 12:658ca6865de2 1299 STRING_HANDLE method_name = STRING_new();
AzureIoTClient 12:658ca6865de2 1300 if (method_name == NULL)
AzureIoTClient 12:658ca6865de2 1301 {
AzureIoTClient 12:658ca6865de2 1302 LogError("Failure: allocating method_name string value");
AzureIoTClient 12:658ca6865de2 1303 }
AzureIoTClient 12:658ca6865de2 1304 else
AzureIoTClient 12:658ca6865de2 1305 {
AzureIoTClient 14:4dc2b011be33 1306 DEVICE_METHOD_INFO* dev_method_info = malloc(sizeof(DEVICE_METHOD_INFO) );
AzureIoTClient 14:4dc2b011be33 1307 if (dev_method_info == NULL)
AzureIoTClient 12:658ca6865de2 1308 {
AzureIoTClient 14:4dc2b011be33 1309 LogError("Failure: allocating DEVICE_METHOD_INFO object");
AzureIoTClient 12:658ca6865de2 1310 }
AzureIoTClient 12:658ca6865de2 1311 else
AzureIoTClient 12:658ca6865de2 1312 {
AzureIoTClient 14:4dc2b011be33 1313 dev_method_info->request_id = STRING_new();
AzureIoTClient 14:4dc2b011be33 1314 if (dev_method_info->request_id == NULL)
AzureIoTClient 14:4dc2b011be33 1315 {
AzureIoTClient 14:4dc2b011be33 1316 LogError("Failure constructing request_id string");
AzureIoTClient 14:4dc2b011be33 1317 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1318 }
AzureIoTClient 14:4dc2b011be33 1319 else if (retrieve_device_method_rid_info(topic_resp, method_name, dev_method_info->request_id) != 0)
AzureIoTClient 12:658ca6865de2 1320 {
AzureIoTClient 14:4dc2b011be33 1321 LogError("Failure: retrieve device topic info");
AzureIoTClient 14:4dc2b011be33 1322 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1323 free(dev_method_info);
AzureIoTClient 12:658ca6865de2 1324 }
AzureIoTClient 14:4dc2b011be33 1325 else
AzureIoTClient 14:4dc2b011be33 1326 {
AzureIoTClient 14:4dc2b011be33 1327 /* CodesSRS_IOTHUB_MQTT_TRANSPORT_07_053: [ If type is IOTHUB_TYPE_DEVICE_METHODS, then on success mqtt_notification_callback shall call IoTHubClient_LL_DeviceMethodComplete. ] */
AzureIoTClient 14:4dc2b011be33 1328 const APP_PAYLOAD* payload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 14:4dc2b011be33 1329 if (IoTHubClient_LL_DeviceMethodComplete(transportData->llClientHandle, STRING_c_str(method_name), payload->message, payload->length, (void*)dev_method_info) != 0)
AzureIoTClient 14:4dc2b011be33 1330 {
AzureIoTClient 14:4dc2b011be33 1331 LogError("Failure: IoTHubClient_LL_DeviceMethodComplete");
AzureIoTClient 14:4dc2b011be33 1332 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 1333 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 1334 }
AzureIoTClient 14:4dc2b011be33 1335 }
AzureIoTClient 12:658ca6865de2 1336 }
AzureIoTClient 12:658ca6865de2 1337 STRING_delete(method_name);
AzureIoTClient 12:658ca6865de2 1338 }
AzureIoTClient 11:31ebaeb51e1e 1339 }
AzureIoTClient 11:31ebaeb51e1e 1340 else
AzureIoTClient 11:31ebaeb51e1e 1341 {
AzureIoTClient 12:658ca6865de2 1342 const APP_PAYLOAD* appPayload = mqttmessage_getApplicationMsg(msgHandle);
AzureIoTClient 12:658ca6865de2 1343 IOTHUB_MESSAGE_HANDLE IoTHubMessage = IoTHubMessage_CreateFromByteArray(appPayload->message, appPayload->length);
AzureIoTClient 12:658ca6865de2 1344 if (IoTHubMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 1345 {
AzureIoTClient 12:658ca6865de2 1346 LogError("Failure: IotHub Message creation has failed.");
AzureIoTClient 11:31ebaeb51e1e 1347 }
AzureIoTClient 11:31ebaeb51e1e 1348 else
AzureIoTClient 11:31ebaeb51e1e 1349 {
AzureIoTClient 12:658ca6865de2 1350 // Will need to update this when the service has messages that can be rejected
AzureIoTClient 37:e6a799428f3d 1351 if (extractMqttProperties(IoTHubMessage, topic_resp, transportData->auto_url_encode_decode) != 0)
AzureIoTClient 12:658ca6865de2 1352 {
AzureIoTClient 12:658ca6865de2 1353 LogError("failure extracting mqtt properties.");
AzureIoTClient 12:658ca6865de2 1354 }
AzureIoTClient 12:658ca6865de2 1355 else
AzureIoTClient 11:31ebaeb51e1e 1356 {
AzureIoTClient 19:f87dfe76bc70 1357 MESSAGE_CALLBACK_INFO* messageData = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
AzureIoTClient 19:f87dfe76bc70 1358 if (messageData == NULL)
AzureIoTClient 19:f87dfe76bc70 1359 {
AzureIoTClient 19:f87dfe76bc70 1360 LogError("malloc failed");
AzureIoTClient 19:f87dfe76bc70 1361 }
AzureIoTClient 19:f87dfe76bc70 1362 else
AzureIoTClient 12:658ca6865de2 1363 {
AzureIoTClient 19:f87dfe76bc70 1364 messageData->messageHandle = IoTHubMessage;
AzureIoTClient 19:f87dfe76bc70 1365 messageData->transportContext = NULL;
AzureIoTClient 19:f87dfe76bc70 1366
AzureIoTClient 19:f87dfe76bc70 1367 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_056: [ If type is IOTHUB_TYPE_TELEMETRY, then on success mqtt_notification_callback shall call IoTHubClient_LL_MessageCallback. ] */
AzureIoTClient 19:f87dfe76bc70 1368 if (!IoTHubClient_LL_MessageCallback(transportData->llClientHandle, messageData))
AzureIoTClient 19:f87dfe76bc70 1369 {
AzureIoTClient 21:167f8fcf6fb1 1370 LogError("IoTHubClient_LL_MessageCallback returned false");
AzureIoTClient 19:f87dfe76bc70 1371
AzureIoTClient 19:f87dfe76bc70 1372 IoTHubMessage_Destroy(IoTHubMessage);
AzureIoTClient 19:f87dfe76bc70 1373 free(messageData);
AzureIoTClient 19:f87dfe76bc70 1374 }
AzureIoTClient 12:658ca6865de2 1375 }
AzureIoTClient 11:31ebaeb51e1e 1376 }
AzureIoTClient 11:31ebaeb51e1e 1377 }
AzureIoTClient 11:31ebaeb51e1e 1378 }
AzureIoTClient 11:31ebaeb51e1e 1379 }
AzureIoTClient 11:31ebaeb51e1e 1380 }
AzureIoTClient 11:31ebaeb51e1e 1381 }
AzureIoTClient 11:31ebaeb51e1e 1382
AzureIoTClient 11:31ebaeb51e1e 1383 static void mqtt_operation_complete_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_RESULT actionResult, const void* msgInfo, void* callbackCtx)
AzureIoTClient 11:31ebaeb51e1e 1384 {
AzureIoTClient 11:31ebaeb51e1e 1385 (void)handle;
AzureIoTClient 11:31ebaeb51e1e 1386 if (callbackCtx != NULL)
AzureIoTClient 11:31ebaeb51e1e 1387 {
AzureIoTClient 11:31ebaeb51e1e 1388 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 11:31ebaeb51e1e 1389
AzureIoTClient 11:31ebaeb51e1e 1390 switch (actionResult)
AzureIoTClient 11:31ebaeb51e1e 1391 {
AzureIoTClient 11:31ebaeb51e1e 1392 case MQTT_CLIENT_ON_PUBLISH_ACK:
AzureIoTClient 11:31ebaeb51e1e 1393 case MQTT_CLIENT_ON_PUBLISH_COMP:
AzureIoTClient 11:31ebaeb51e1e 1394 {
AzureIoTClient 11:31ebaeb51e1e 1395 const PUBLISH_ACK* puback = (const PUBLISH_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1396 if (puback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1397 {
AzureIoTClient 11:31ebaeb51e1e 1398 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 1399 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 1400 {
AzureIoTClient 11:31ebaeb51e1e 1401 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 1402 DLIST_ENTRY saveListEntry;
AzureIoTClient 11:31ebaeb51e1e 1403 saveListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 1404
AzureIoTClient 11:31ebaeb51e1e 1405 if (puback->packetId == mqttMsgEntry->packet_id)
AzureIoTClient 11:31ebaeb51e1e 1406 {
AzureIoTClient 11:31ebaeb51e1e 1407 (void)DList_RemoveEntryList(currentListEntry); //First remove the item from Waiting for Ack List.
AzureIoTClient 11:31ebaeb51e1e 1408 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_OK);
AzureIoTClient 11:31ebaeb51e1e 1409 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 1410 }
AzureIoTClient 11:31ebaeb51e1e 1411 currentListEntry = saveListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 1412 }
AzureIoTClient 11:31ebaeb51e1e 1413 }
AzureIoTClient 11:31ebaeb51e1e 1414 else
AzureIoTClient 11:31ebaeb51e1e 1415 {
AzureIoTClient 11:31ebaeb51e1e 1416 LogError("Failure: MQTT_CLIENT_ON_PUBLISH_ACK publish_ack structure NULL.");
AzureIoTClient 11:31ebaeb51e1e 1417 }
AzureIoTClient 11:31ebaeb51e1e 1418 break;
AzureIoTClient 11:31ebaeb51e1e 1419 }
AzureIoTClient 11:31ebaeb51e1e 1420 case MQTT_CLIENT_ON_CONNACK:
AzureIoTClient 11:31ebaeb51e1e 1421 {
AzureIoTClient 11:31ebaeb51e1e 1422 const CONNECT_ACK* connack = (const CONNECT_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1423 if (connack != NULL)
AzureIoTClient 11:31ebaeb51e1e 1424 {
AzureIoTClient 11:31ebaeb51e1e 1425 if (connack->returnCode == CONNECTION_ACCEPTED)
AzureIoTClient 11:31ebaeb51e1e 1426 {
AzureIoTClient 11:31ebaeb51e1e 1427 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1428 transport_data->currPacketState = CONNACK_TYPE;
AzureIoTClient 12:658ca6865de2 1429 transport_data->isRecoverableError = true;
AzureIoTClient 20:594780be216d 1430 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTED;
AzureIoTClient 25:a35763780a87 1431
AzureIoTClient 25:a35763780a87 1432 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_008: [ Upon successful connection the retry control shall be reset using retry_control_reset() ]
AzureIoTClient 25:a35763780a87 1433 retry_control_reset(transport_data->retry_control_handle);
AzureIoTClient 25:a35763780a87 1434
AzureIoTClient 19:f87dfe76bc70 1435 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_AUTHENTICATED, IOTHUB_CLIENT_CONNECTION_OK);
AzureIoTClient 11:31ebaeb51e1e 1436 }
AzureIoTClient 11:31ebaeb51e1e 1437 else
AzureIoTClient 11:31ebaeb51e1e 1438 {
AzureIoTClient 35:c56b7cfcb90b 1439 if (connack->returnCode == CONN_REFUSED_SERVER_UNAVAIL)
AzureIoTClient 35:c56b7cfcb90b 1440 {
AzureIoTClient 35:c56b7cfcb90b 1441 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 35:c56b7cfcb90b 1442 }
AzureIoTClient 35:c56b7cfcb90b 1443 else if (connack->returnCode == CONN_REFUSED_BAD_USERNAME_PASSWORD || connack->returnCode == CONN_REFUSED_ID_REJECTED)
AzureIoTClient 12:658ca6865de2 1444 {
AzureIoTClient 12:658ca6865de2 1445 transport_data->isRecoverableError = false;
AzureIoTClient 19:f87dfe76bc70 1446 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 12:658ca6865de2 1447 }
AzureIoTClient 12:658ca6865de2 1448 else if (connack->returnCode == CONN_REFUSED_NOT_AUTHORIZED)
AzureIoTClient 12:658ca6865de2 1449 {
AzureIoTClient 19:f87dfe76bc70 1450 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_DEVICE_DISABLED);
AzureIoTClient 12:658ca6865de2 1451 }
AzureIoTClient 12:658ca6865de2 1452 else if (connack->returnCode == CONN_REFUSED_UNACCEPTABLE_VERSION)
AzureIoTClient 12:658ca6865de2 1453 {
AzureIoTClient 12:658ca6865de2 1454 transport_data->isRecoverableError = false;
AzureIoTClient 12:658ca6865de2 1455 }
AzureIoTClient 11:31ebaeb51e1e 1456 LogError("Connection Not Accepted: 0x%x: %s", connack->returnCode, retrieve_mqtt_return_codes(connack->returnCode) );
AzureIoTClient 33:b7dfb208ef0a 1457 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_PENDING_CLOSE;
AzureIoTClient 11:31ebaeb51e1e 1458 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 11:31ebaeb51e1e 1459 }
AzureIoTClient 11:31ebaeb51e1e 1460 }
AzureIoTClient 11:31ebaeb51e1e 1461 else
AzureIoTClient 11:31ebaeb51e1e 1462 {
AzureIoTClient 11:31ebaeb51e1e 1463 LogError("MQTT_CLIENT_ON_CONNACK CONNACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1464 }
AzureIoTClient 11:31ebaeb51e1e 1465 break;
AzureIoTClient 11:31ebaeb51e1e 1466 }
AzureIoTClient 11:31ebaeb51e1e 1467 case MQTT_CLIENT_ON_SUBSCRIBE_ACK:
AzureIoTClient 11:31ebaeb51e1e 1468 {
AzureIoTClient 11:31ebaeb51e1e 1469 const SUBSCRIBE_ACK* suback = (const SUBSCRIBE_ACK*)msgInfo;
AzureIoTClient 11:31ebaeb51e1e 1470 if (suback != NULL)
AzureIoTClient 11:31ebaeb51e1e 1471 {
AzureIoTClient 16:14640ee83e99 1472 size_t index = 0;
AzureIoTClient 16:14640ee83e99 1473 for (index = 0; index < suback->qosCount; index++)
AzureIoTClient 11:31ebaeb51e1e 1474 {
AzureIoTClient 11:31ebaeb51e1e 1475 if (suback->qosReturn[index] == DELIVER_FAILURE)
AzureIoTClient 11:31ebaeb51e1e 1476 {
AzureIoTClient 11:31ebaeb51e1e 1477 LogError("Subscribe delivery failure of subscribe %zu", index);
AzureIoTClient 11:31ebaeb51e1e 1478 }
AzureIoTClient 11:31ebaeb51e1e 1479 }
AzureIoTClient 11:31ebaeb51e1e 1480 // The connect packet has been acked
AzureIoTClient 11:31ebaeb51e1e 1481 transport_data->currPacketState = SUBACK_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1482 }
AzureIoTClient 11:31ebaeb51e1e 1483 else
AzureIoTClient 11:31ebaeb51e1e 1484 {
AzureIoTClient 11:31ebaeb51e1e 1485 LogError("Failure: MQTT_CLIENT_ON_SUBSCRIBE_ACK SUBSCRIBE_ACK parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 1486 }
AzureIoTClient 11:31ebaeb51e1e 1487 break;
AzureIoTClient 11:31ebaeb51e1e 1488 }
AzureIoTClient 11:31ebaeb51e1e 1489 case MQTT_CLIENT_ON_PUBLISH_RECV:
AzureIoTClient 11:31ebaeb51e1e 1490 case MQTT_CLIENT_ON_PUBLISH_REL:
AzureIoTClient 11:31ebaeb51e1e 1491 {
AzureIoTClient 11:31ebaeb51e1e 1492 // Currently not used
AzureIoTClient 11:31ebaeb51e1e 1493 break;
AzureIoTClient 11:31ebaeb51e1e 1494 }
AzureIoTClient 11:31ebaeb51e1e 1495 case MQTT_CLIENT_ON_DISCONNECT:
AzureIoTClient 11:31ebaeb51e1e 1496 {
AzureIoTClient 11:31ebaeb51e1e 1497 // Close the client so we can reconnect again
AzureIoTClient 20:594780be216d 1498 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1499 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1500 break;
AzureIoTClient 11:31ebaeb51e1e 1501 }
AzureIoTClient 17:774695cb8554 1502 case MQTT_CLIENT_ON_UNSUBSCRIBE_ACK:
AzureIoTClient 26:0dae84ecce27 1503 case MQTT_CLIENT_ON_PING_RESPONSE:
AzureIoTClient 26:0dae84ecce27 1504 default:
AzureIoTClient 17:774695cb8554 1505 {
AzureIoTClient 17:774695cb8554 1506 break;
AzureIoTClient 26:0dae84ecce27 1507 }
AzureIoTClient 12:658ca6865de2 1508 }
AzureIoTClient 12:658ca6865de2 1509 }
AzureIoTClient 12:658ca6865de2 1510 }
AzureIoTClient 12:658ca6865de2 1511
AzureIoTClient 37:e6a799428f3d 1512 // Prior to creating a new connection, if we have an existing xioTransport we need to clear
AzureIoTClient 37:e6a799428f3d 1513 // it now or else cached settings (especially TLS when communicating with HTTP proxies) will
AzureIoTClient 37:e6a799428f3d 1514 // break reconnection attempt.
AzureIoTClient 37:e6a799428f3d 1515 static void ResetConnectionIfNecessary(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 37:e6a799428f3d 1516 {
AzureIoTClient 37:e6a799428f3d 1517 if (transport_data->xioTransport != NULL)
AzureIoTClient 37:e6a799428f3d 1518 {
AzureIoTClient 37:e6a799428f3d 1519 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 37:e6a799428f3d 1520 set_saved_tls_options(transport_data, options);
AzureIoTClient 37:e6a799428f3d 1521
AzureIoTClient 37:e6a799428f3d 1522 xio_destroy(transport_data->xioTransport);
AzureIoTClient 37:e6a799428f3d 1523 transport_data->xioTransport = NULL;
AzureIoTClient 37:e6a799428f3d 1524 }
AzureIoTClient 37:e6a799428f3d 1525 }
AzureIoTClient 37:e6a799428f3d 1526
AzureIoTClient 25:a35763780a87 1527 static void DisconnectFromClient(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 25:a35763780a87 1528 {
AzureIoTClient 33:b7dfb208ef0a 1529 if (!transport_data->isDestroyCalled)
AzureIoTClient 33:b7dfb208ef0a 1530 {
AzureIoTClient 33:b7dfb208ef0a 1531 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 33:b7dfb208ef0a 1532 set_saved_tls_options(transport_data, options);
AzureIoTClient 33:b7dfb208ef0a 1533 }
AzureIoTClient 37:e6a799428f3d 1534
AzureIoTClient 28:0cd355c3294e 1535 (void)mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 25:a35763780a87 1536 xio_destroy(transport_data->xioTransport);
AzureIoTClient 25:a35763780a87 1537 transport_data->xioTransport = NULL;
AzureIoTClient 25:a35763780a87 1538
AzureIoTClient 25:a35763780a87 1539 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 25:a35763780a87 1540 transport_data->currPacketState = DISCONNECT_TYPE;
AzureIoTClient 25:a35763780a87 1541 }
AzureIoTClient 25:a35763780a87 1542
AzureIoTClient 12:658ca6865de2 1543 static void mqtt_error_callback(MQTT_CLIENT_HANDLE handle, MQTT_CLIENT_EVENT_ERROR error, void* callbackCtx)
AzureIoTClient 12:658ca6865de2 1544 {
AzureIoTClient 12:658ca6865de2 1545 (void)handle;
AzureIoTClient 12:658ca6865de2 1546 if (callbackCtx != NULL)
AzureIoTClient 12:658ca6865de2 1547 {
AzureIoTClient 12:658ca6865de2 1548 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)callbackCtx;
AzureIoTClient 12:658ca6865de2 1549 switch (error)
AzureIoTClient 12:658ca6865de2 1550 {
AzureIoTClient 12:658ca6865de2 1551 case MQTT_CLIENT_CONNECTION_ERROR:
AzureIoTClient 11:31ebaeb51e1e 1552 {
AzureIoTClient 19:f87dfe76bc70 1553 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_NO_NETWORK);
AzureIoTClient 12:658ca6865de2 1554 break;
AzureIoTClient 12:658ca6865de2 1555 }
AzureIoTClient 20:594780be216d 1556 case MQTT_CLIENT_COMMUNICATION_ERROR:
AzureIoTClient 20:594780be216d 1557 {
AzureIoTClient 20:594780be216d 1558 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_COMMUNICATION_ERROR);
AzureIoTClient 20:594780be216d 1559 break;
AzureIoTClient 20:594780be216d 1560 }
AzureIoTClient 12:658ca6865de2 1561 case MQTT_CLIENT_NO_PING_RESPONSE:
AzureIoTClient 12:658ca6865de2 1562 {
AzureIoTClient 12:658ca6865de2 1563 LogError("Mqtt Ping Response was not encountered. Reconnecting device...");
AzureIoTClient 25:a35763780a87 1564 DisconnectFromClient(transport_data);
AzureIoTClient 12:658ca6865de2 1565 break;
AzureIoTClient 11:31ebaeb51e1e 1566 }
AzureIoTClient 17:774695cb8554 1567 case MQTT_CLIENT_PARSE_ERROR:
AzureIoTClient 17:774695cb8554 1568 case MQTT_CLIENT_MEMORY_ERROR:
AzureIoTClient 17:774695cb8554 1569 case MQTT_CLIENT_UNKNOWN_ERROR:
AzureIoTClient 17:774695cb8554 1570 {
AzureIoTClient 17:774695cb8554 1571 LogError("INTERNAL ERROR: unexpected error value received %s", ENUM_TO_STRING(MQTT_CLIENT_EVENT_ERROR, error));
AzureIoTClient 20:594780be216d 1572 break;
AzureIoTClient 17:774695cb8554 1573 }
AzureIoTClient 11:31ebaeb51e1e 1574 }
AzureIoTClient 33:b7dfb208ef0a 1575 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_PENDING_CLOSE)
AzureIoTClient 33:b7dfb208ef0a 1576 {
AzureIoTClient 33:b7dfb208ef0a 1577 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 33:b7dfb208ef0a 1578 }
AzureIoTClient 12:658ca6865de2 1579 transport_data->currPacketState = PACKET_TYPE_ERROR;
Azure.IoT.Build 13:606465879c57 1580 transport_data->device_twin_get_sent = false;
AzureIoTClient 12:658ca6865de2 1581 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 12:658ca6865de2 1582 {
Azure.IoT.Build 13:606465879c57 1583 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
Azure.IoT.Build 13:606465879c57 1584 }
Azure.IoT.Build 13:606465879c57 1585 if (transport_data->topic_GetState != NULL)
Azure.IoT.Build 13:606465879c57 1586 {
Azure.IoT.Build 13:606465879c57 1587 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1588 }
Azure.IoT.Build 13:606465879c57 1589 if (transport_data->topic_NotifyState != NULL)
Azure.IoT.Build 13:606465879c57 1590 {
Azure.IoT.Build 13:606465879c57 1591 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
Azure.IoT.Build 13:606465879c57 1592 }
Azure.IoT.Build 13:606465879c57 1593 if (transport_data->topic_DeviceMethods != NULL)
Azure.IoT.Build 13:606465879c57 1594 {
Azure.IoT.Build 13:606465879c57 1595 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
Azure.IoT.Build 13:606465879c57 1596 }
Azure.IoT.Build 13:606465879c57 1597 }
AzureIoTClient 12:658ca6865de2 1598 else
AzureIoTClient 12:658ca6865de2 1599 {
AzureIoTClient 12:658ca6865de2 1600 LogError("Failure: mqtt called back with null context.");
AzureIoTClient 11:31ebaeb51e1e 1601 }
AzureIoTClient 11:31ebaeb51e1e 1602 }
AzureIoTClient 11:31ebaeb51e1e 1603
AzureIoTClient 11:31ebaeb51e1e 1604 static void SubscribeToMqttProtocol(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1605 {
AzureIoTClient 11:31ebaeb51e1e 1606 if (transport_data->topics_ToSubscribe != UNSUBSCRIBE_FROM_TOPIC)
AzureIoTClient 11:31ebaeb51e1e 1607 {
AzureIoTClient 11:31ebaeb51e1e 1608 uint32_t topic_subscription = 0;
AzureIoTClient 11:31ebaeb51e1e 1609 size_t subscribe_count = 0;
AzureIoTClient 11:31ebaeb51e1e 1610 SUBSCRIBE_PAYLOAD subscribe[SUBSCRIBE_TOPIC_COUNT];
AzureIoTClient 11:31ebaeb51e1e 1611 if ((transport_data->topic_MqttMessage != NULL) && (SUBSCRIBE_TELEMETRY_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 11:31ebaeb51e1e 1612 {
AzureIoTClient 11:31ebaeb51e1e 1613 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 1614 subscribe[subscribe_count].qosReturn = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1615 topic_subscription |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1616 subscribe_count++;
AzureIoTClient 11:31ebaeb51e1e 1617 }
AzureIoTClient 12:658ca6865de2 1618 if ((transport_data->topic_GetState != NULL) && (SUBSCRIBE_GET_REPORTED_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1619 {
AzureIoTClient 12:658ca6865de2 1620 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 1621 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1622 topic_subscription |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1623 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1624 }
AzureIoTClient 12:658ca6865de2 1625 if ((transport_data->topic_NotifyState != NULL) && (SUBSCRIBE_NOTIFICATION_STATE_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1626 {
AzureIoTClient 12:658ca6865de2 1627 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 1628 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1629 topic_subscription |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1630 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1631 }
AzureIoTClient 12:658ca6865de2 1632 if ((transport_data->topic_DeviceMethods != NULL) && (SUBSCRIBE_DEVICE_METHOD_TOPIC & transport_data->topics_ToSubscribe))
AzureIoTClient 12:658ca6865de2 1633 {
AzureIoTClient 12:658ca6865de2 1634 subscribe[subscribe_count].subscribeTopic = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 1635 subscribe[subscribe_count].qosReturn = DELIVER_AT_MOST_ONCE;
AzureIoTClient 12:658ca6865de2 1636 topic_subscription |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 1637 subscribe_count++;
AzureIoTClient 12:658ca6865de2 1638 }
AzureIoTClient 11:31ebaeb51e1e 1639
AzureIoTClient 11:31ebaeb51e1e 1640 if (subscribe_count != 0)
AzureIoTClient 11:31ebaeb51e1e 1641 {
AzureIoTClient 12:658ca6865de2 1642 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransport_MQTT_Common_Subscribe shall call mqtt_client_subscribe to subscribe to the Message Topic.] */
AzureIoTClient 11:31ebaeb51e1e 1643 if (mqtt_client_subscribe(transport_data->mqttClient, get_next_packet_id(transport_data), subscribe, subscribe_count) != 0)
AzureIoTClient 11:31ebaeb51e1e 1644 {
AzureIoTClient 12:658ca6865de2 1645 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1646 LogError("Failure: mqtt_client_subscribe returned error.");
AzureIoTClient 11:31ebaeb51e1e 1647 }
AzureIoTClient 11:31ebaeb51e1e 1648 else
AzureIoTClient 11:31ebaeb51e1e 1649 {
AzureIoTClient 12:658ca6865de2 1650 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_018: [On success IoTHubTransport_MQTT_Common_Subscribe shall return 0.] */
AzureIoTClient 11:31ebaeb51e1e 1651 transport_data->topics_ToSubscribe &= ~topic_subscription;
AzureIoTClient 11:31ebaeb51e1e 1652 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1653 }
AzureIoTClient 11:31ebaeb51e1e 1654 }
AzureIoTClient 11:31ebaeb51e1e 1655 else
AzureIoTClient 11:31ebaeb51e1e 1656 {
AzureIoTClient 12:658ca6865de2 1657 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_017: [Upon failure IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 1658 LogError("Failure: subscribe_topic is empty.");
AzureIoTClient 11:31ebaeb51e1e 1659 }
AzureIoTClient 11:31ebaeb51e1e 1660 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1661 }
AzureIoTClient 11:31ebaeb51e1e 1662 else
AzureIoTClient 11:31ebaeb51e1e 1663 {
AzureIoTClient 11:31ebaeb51e1e 1664 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 1665 }
AzureIoTClient 11:31ebaeb51e1e 1666 }
AzureIoTClient 11:31ebaeb51e1e 1667
AzureIoTClient 11:31ebaeb51e1e 1668 static const unsigned char* RetrieveMessagePayload(IOTHUB_MESSAGE_HANDLE messageHandle, size_t* length)
AzureIoTClient 11:31ebaeb51e1e 1669 {
AzureIoTClient 11:31ebaeb51e1e 1670 const unsigned char* result;
AzureIoTClient 11:31ebaeb51e1e 1671
AzureIoTClient 11:31ebaeb51e1e 1672 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1673 if (contentType == IOTHUBMESSAGE_BYTEARRAY)
AzureIoTClient 11:31ebaeb51e1e 1674 {
AzureIoTClient 11:31ebaeb51e1e 1675 if (IoTHubMessage_GetByteArray(messageHandle, &result, length) != IOTHUB_MESSAGE_OK)
AzureIoTClient 11:31ebaeb51e1e 1676 {
AzureIoTClient 11:31ebaeb51e1e 1677 LogError("Failure result from IoTHubMessage_GetByteArray");
AzureIoTClient 11:31ebaeb51e1e 1678 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1679 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1680 }
AzureIoTClient 11:31ebaeb51e1e 1681 }
AzureIoTClient 11:31ebaeb51e1e 1682 else if (contentType == IOTHUBMESSAGE_STRING)
AzureIoTClient 11:31ebaeb51e1e 1683 {
AzureIoTClient 11:31ebaeb51e1e 1684 result = (const unsigned char*)IoTHubMessage_GetString(messageHandle);
AzureIoTClient 11:31ebaeb51e1e 1685 if (result == NULL)
AzureIoTClient 11:31ebaeb51e1e 1686 {
AzureIoTClient 11:31ebaeb51e1e 1687 LogError("Failure result from IoTHubMessage_GetString");
AzureIoTClient 11:31ebaeb51e1e 1688 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1689 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1690 }
AzureIoTClient 11:31ebaeb51e1e 1691 else
AzureIoTClient 11:31ebaeb51e1e 1692 {
AzureIoTClient 11:31ebaeb51e1e 1693 *length = strlen((const char*)result);
AzureIoTClient 11:31ebaeb51e1e 1694 }
AzureIoTClient 11:31ebaeb51e1e 1695 }
AzureIoTClient 11:31ebaeb51e1e 1696 else
AzureIoTClient 11:31ebaeb51e1e 1697 {
AzureIoTClient 11:31ebaeb51e1e 1698 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 1699 *length = 0;
AzureIoTClient 11:31ebaeb51e1e 1700 }
AzureIoTClient 11:31ebaeb51e1e 1701 return result;
AzureIoTClient 11:31ebaeb51e1e 1702 }
AzureIoTClient 11:31ebaeb51e1e 1703
AzureIoTClient 11:31ebaeb51e1e 1704 static int GetTransportProviderIfNecessary(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1705 {
AzureIoTClient 11:31ebaeb51e1e 1706 int result;
AzureIoTClient 11:31ebaeb51e1e 1707
AzureIoTClient 11:31ebaeb51e1e 1708 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1709 {
AzureIoTClient 11:31ebaeb51e1e 1710 // construct address
AzureIoTClient 11:31ebaeb51e1e 1711 const char* hostAddress = STRING_c_str(transport_data->hostAddress);
AzureIoTClient 20:594780be216d 1712 MQTT_TRANSPORT_PROXY_OPTIONS mqtt_proxy_options;
AzureIoTClient 20:594780be216d 1713
AzureIoTClient 20:594780be216d 1714 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_011: [ If no `proxy_data` option has been set, NULL shall be passed as the argument `mqtt_transport_proxy_options` when calling the function `get_io_transport` passed in `IoTHubTransport_MQTT_Common__Create`. ]*/
AzureIoTClient 20:594780be216d 1715 mqtt_proxy_options.host_address = transport_data->http_proxy_hostname;
AzureIoTClient 20:594780be216d 1716 mqtt_proxy_options.port = transport_data->http_proxy_port;
AzureIoTClient 20:594780be216d 1717 mqtt_proxy_options.username = transport_data->http_proxy_username;
AzureIoTClient 20:594780be216d 1718 mqtt_proxy_options.password = transport_data->http_proxy_password;
AzureIoTClient 20:594780be216d 1719
AzureIoTClient 20:594780be216d 1720 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_010: [ If the `proxy_data` option has been set, the proxy options shall be filled in the argument `mqtt_transport_proxy_options` when calling the function `get_io_transport` passed in `IoTHubTransport_MQTT_Common__Create` to obtain the underlying IO handle. ]*/
AzureIoTClient 20:594780be216d 1721 transport_data->xioTransport = transport_data->get_io_transport(hostAddress, (transport_data->http_proxy_hostname == NULL) ? NULL : &mqtt_proxy_options);
AzureIoTClient 11:31ebaeb51e1e 1722 if (transport_data->xioTransport == NULL)
AzureIoTClient 11:31ebaeb51e1e 1723 {
AzureIoTClient 11:31ebaeb51e1e 1724 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 18:ec8e5e97c6a4 1725 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1726 }
AzureIoTClient 11:31ebaeb51e1e 1727 else
AzureIoTClient 11:31ebaeb51e1e 1728 {
AzureIoTClient 37:e6a799428f3d 1729 if (transport_data->saved_tls_options != NULL)
AzureIoTClient 37:e6a799428f3d 1730 {
AzureIoTClient 37:e6a799428f3d 1731 if (OptionHandler_FeedOptions(transport_data->saved_tls_options, transport_data->xioTransport) != OPTIONHANDLER_OK)
AzureIoTClient 37:e6a799428f3d 1732 {
AzureIoTClient 37:e6a799428f3d 1733 LogError("Failed feeding existing options to new TLS instance.");
AzureIoTClient 37:e6a799428f3d 1734 result = __FAILURE__;
AzureIoTClient 37:e6a799428f3d 1735 }
AzureIoTClient 37:e6a799428f3d 1736 else
AzureIoTClient 37:e6a799428f3d 1737 {
AzureIoTClient 37:e6a799428f3d 1738 // The tlsio has the options, so our copy can be deleted
AzureIoTClient 37:e6a799428f3d 1739 set_saved_tls_options(transport_data, NULL);
AzureIoTClient 37:e6a799428f3d 1740 result = 0;
AzureIoTClient 37:e6a799428f3d 1741 }
AzureIoTClient 37:e6a799428f3d 1742 }
AzureIoTClient 37:e6a799428f3d 1743 else if (IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module) == IOTHUB_CREDENTIAL_TYPE_X509_ECC)
AzureIoTClient 28:0cd355c3294e 1744 {
AzureIoTClient 28:0cd355c3294e 1745 if (IoTHubClient_Auth_Set_xio_Certificate(transport_data->authorization_module, transport_data->xioTransport) != 0)
AzureIoTClient 28:0cd355c3294e 1746 {
AzureIoTClient 28:0cd355c3294e 1747 LogError("Unable to create the lower level TLS layer.");
AzureIoTClient 28:0cd355c3294e 1748 result = __FAILURE__;
AzureIoTClient 28:0cd355c3294e 1749 }
AzureIoTClient 28:0cd355c3294e 1750 else
AzureIoTClient 28:0cd355c3294e 1751 {
AzureIoTClient 28:0cd355c3294e 1752 result = 0;
AzureIoTClient 28:0cd355c3294e 1753 }
AzureIoTClient 28:0cd355c3294e 1754 }
AzureIoTClient 28:0cd355c3294e 1755 else
AzureIoTClient 28:0cd355c3294e 1756 {
AzureIoTClient 28:0cd355c3294e 1757 result = 0;
AzureIoTClient 28:0cd355c3294e 1758 }
AzureIoTClient 11:31ebaeb51e1e 1759 }
AzureIoTClient 11:31ebaeb51e1e 1760 }
AzureIoTClient 11:31ebaeb51e1e 1761 else
AzureIoTClient 11:31ebaeb51e1e 1762 {
AzureIoTClient 11:31ebaeb51e1e 1763 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1764 }
AzureIoTClient 11:31ebaeb51e1e 1765 return result;
AzureIoTClient 11:31ebaeb51e1e 1766 }
AzureIoTClient 11:31ebaeb51e1e 1767
AzureIoTClient 36:3b9944257dd5 1768 //static int is_key_validate(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 36:3b9944257dd5 1769 //{
AzureIoTClient 36:3b9944257dd5 1770 // int result;
AzureIoTClient 36:3b9944257dd5 1771 // IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(config->auth_module_handle);
AzureIoTClient 36:3b9944257dd5 1772 // if (cred_type == IOTHUB_CREDENTIAL_TYPE_X509 || cred_type == IOTHUB_CREDENTIAL_TYPE_X509_ECC)
AzureIoTClient 36:3b9944257dd5 1773 // {
AzureIoTClient 36:3b9944257dd5 1774 // result = 0;
AzureIoTClient 36:3b9944257dd5 1775 // }
AzureIoTClient 36:3b9944257dd5 1776 // else
AzureIoTClient 36:3b9944257dd5 1777 // {
AzureIoTClient 36:3b9944257dd5 1778 // if (config->upperConfig->deviceKey == NULL && config->upperConfig->deviceSasToken == NULL)
AzureIoTClient 36:3b9944257dd5 1779 // {
AzureIoTClient 36:3b9944257dd5 1780 // if (IoTHubClient_Auth_Get_DeviceKey(config->auth_module_handle) == NULL)
AzureIoTClient 36:3b9944257dd5 1781 // {
AzureIoTClient 36:3b9944257dd5 1782 // result = __FAILURE__;
AzureIoTClient 36:3b9944257dd5 1783 // }
AzureIoTClient 36:3b9944257dd5 1784 // else
AzureIoTClient 36:3b9944257dd5 1785 // {
AzureIoTClient 36:3b9944257dd5 1786 // result = 0;
AzureIoTClient 36:3b9944257dd5 1787 // }
AzureIoTClient 36:3b9944257dd5 1788 // }
AzureIoTClient 36:3b9944257dd5 1789 // else
AzureIoTClient 36:3b9944257dd5 1790 // {
AzureIoTClient 36:3b9944257dd5 1791 // result = 0;
AzureIoTClient 36:3b9944257dd5 1792 // }
AzureIoTClient 36:3b9944257dd5 1793 // }
AzureIoTClient 36:3b9944257dd5 1794 // return result;
AzureIoTClient 36:3b9944257dd5 1795 //}
AzureIoTClient 28:0cd355c3294e 1796
AzureIoTClient 11:31ebaeb51e1e 1797 static int SendMqttConnectMsg(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1798 {
AzureIoTClient 11:31ebaeb51e1e 1799 int result;
AzureIoTClient 11:31ebaeb51e1e 1800
AzureIoTClient 21:167f8fcf6fb1 1801 char* sasToken = NULL;
AzureIoTClient 21:167f8fcf6fb1 1802 result = 0;
AzureIoTClient 21:167f8fcf6fb1 1803
AzureIoTClient 21:167f8fcf6fb1 1804 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module);
AzureIoTClient 28:0cd355c3294e 1805 if (cred_type == IOTHUB_CREDENTIAL_TYPE_DEVICE_KEY || cred_type == IOTHUB_CREDENTIAL_TYPE_DEVICE_AUTH)
AzureIoTClient 11:31ebaeb51e1e 1806 {
AzureIoTClient 29:923be0c3998a 1807 sasToken = IoTHubClient_Auth_Get_SasToken(transport_data->authorization_module, STRING_c_str(transport_data->devicesPath), transport_data->option_sas_token_lifetime_secs);
AzureIoTClient 21:167f8fcf6fb1 1808 if (sasToken == NULL)
AzureIoTClient 21:167f8fcf6fb1 1809 {
AzureIoTClient 28:0cd355c3294e 1810 LogError("failure getting sas token from IoTHubClient_Auth_Get_SasToken.");
AzureIoTClient 21:167f8fcf6fb1 1811 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1812 }
AzureIoTClient 11:31ebaeb51e1e 1813 }
AzureIoTClient 21:167f8fcf6fb1 1814 else if (cred_type == IOTHUB_CREDENTIAL_TYPE_SAS_TOKEN)
AzureIoTClient 11:31ebaeb51e1e 1815 {
AzureIoTClient 21:167f8fcf6fb1 1816 SAS_TOKEN_STATUS token_status = IoTHubClient_Auth_Is_SasToken_Valid(transport_data->authorization_module);
AzureIoTClient 21:167f8fcf6fb1 1817 if (token_status == SAS_TOKEN_STATUS_INVALID)
AzureIoTClient 21:167f8fcf6fb1 1818 {
AzureIoTClient 21:167f8fcf6fb1 1819 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 21:167f8fcf6fb1 1820 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1821 }
AzureIoTClient 21:167f8fcf6fb1 1822 else if (token_status == SAS_TOKEN_STATUS_FAILED)
AzureIoTClient 11:31ebaeb51e1e 1823 {
AzureIoTClient 21:167f8fcf6fb1 1824 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_BAD_CREDENTIAL);
AzureIoTClient 21:167f8fcf6fb1 1825 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1826 }
AzureIoTClient 21:167f8fcf6fb1 1827 else
AzureIoTClient 21:167f8fcf6fb1 1828 {
AzureIoTClient 21:167f8fcf6fb1 1829 sasToken = IoTHubClient_Auth_Get_SasToken(transport_data->authorization_module, NULL, 0);
AzureIoTClient 21:167f8fcf6fb1 1830 if (sasToken == NULL)
AzureIoTClient 11:31ebaeb51e1e 1831 {
AzureIoTClient 21:167f8fcf6fb1 1832 LogError("failure getting sas Token.");
AzureIoTClient 18:ec8e5e97c6a4 1833 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 1834 }
AzureIoTClient 21:167f8fcf6fb1 1835 }
AzureIoTClient 21:167f8fcf6fb1 1836 }
AzureIoTClient 11:31ebaeb51e1e 1837
AzureIoTClient 21:167f8fcf6fb1 1838 if (result == 0)
AzureIoTClient 21:167f8fcf6fb1 1839 {
AzureIoTClient 24:4096249decf1 1840 if (!transport_data->isProductInfoSet)
AzureIoTClient 22:07fec4d325b6 1841 {
AzureIoTClient 24:4096249decf1 1842 // This requires the iothubClientHandle, which sadly the MQTT transport only gets on DoWork, so this code still needs to remain here.
AzureIoTClient 24:4096249decf1 1843 // The correct place for this would be in the Create method, but we don't get the client handle there.
AzureIoTClient 24:4096249decf1 1844 // Also, when device multiplexing is used, the customer creates the transport directly and explicitly, when the client is still not created.
AzureIoTClient 24:4096249decf1 1845 // This will be a major hurdle when we add device multiplexing to MQTT transport.
AzureIoTClient 24:4096249decf1 1846
AzureIoTClient 24:4096249decf1 1847 void* product_info;
AzureIoTClient 24:4096249decf1 1848 STRING_HANDLE clone;
AzureIoTClient 24:4096249decf1 1849 if ((IoTHubClient_LL_GetOption(transport_data->llClientHandle, OPTION_PRODUCT_INFO, &product_info) == IOTHUB_CLIENT_ERROR) || (product_info == NULL))
AzureIoTClient 24:4096249decf1 1850 {
AzureIoTClient 24:4096249decf1 1851 clone = STRING_construct_sprintf("%s%%2F%s", CLIENT_DEVICE_TYPE_PREFIX, IOTHUB_SDK_VERSION);
AzureIoTClient 24:4096249decf1 1852 }
AzureIoTClient 24:4096249decf1 1853 else
AzureIoTClient 24:4096249decf1 1854 {
AzureIoTClient 24:4096249decf1 1855 clone = URL_Encode(product_info);
AzureIoTClient 24:4096249decf1 1856 }
AzureIoTClient 24:4096249decf1 1857
AzureIoTClient 24:4096249decf1 1858 if (clone == NULL)
AzureIoTClient 24:4096249decf1 1859 {
AzureIoTClient 24:4096249decf1 1860 LogError("Failed obtaining the product info");
AzureIoTClient 24:4096249decf1 1861 }
AzureIoTClient 24:4096249decf1 1862 else
AzureIoTClient 24:4096249decf1 1863 {
AzureIoTClient 24:4096249decf1 1864 if (STRING_concat_with_STRING(transport_data->configPassedThroughUsername, clone) != 0)
AzureIoTClient 24:4096249decf1 1865 {
AzureIoTClient 24:4096249decf1 1866 LogError("Failed concatenating the product info");
AzureIoTClient 24:4096249decf1 1867 }
AzureIoTClient 24:4096249decf1 1868 else
AzureIoTClient 24:4096249decf1 1869 {
AzureIoTClient 24:4096249decf1 1870 transport_data->isProductInfoSet = true;
AzureIoTClient 24:4096249decf1 1871 }
AzureIoTClient 24:4096249decf1 1872
AzureIoTClient 24:4096249decf1 1873 STRING_delete(clone);
AzureIoTClient 24:4096249decf1 1874 }
AzureIoTClient 22:07fec4d325b6 1875 }
AzureIoTClient 22:07fec4d325b6 1876
AzureIoTClient 21:167f8fcf6fb1 1877 MQTT_CLIENT_OPTIONS options = { 0 };
AzureIoTClient 21:167f8fcf6fb1 1878 options.clientId = (char*)STRING_c_str(transport_data->device_id);
AzureIoTClient 21:167f8fcf6fb1 1879 options.willMessage = NULL;
AzureIoTClient 21:167f8fcf6fb1 1880 options.username = (char*)STRING_c_str(transport_data->configPassedThroughUsername);
AzureIoTClient 21:167f8fcf6fb1 1881 if (sasToken != NULL)
AzureIoTClient 11:31ebaeb51e1e 1882 {
AzureIoTClient 21:167f8fcf6fb1 1883 options.password = sasToken;
AzureIoTClient 21:167f8fcf6fb1 1884 }
AzureIoTClient 21:167f8fcf6fb1 1885 options.keepAliveInterval = transport_data->keepAliveValue;
AzureIoTClient 21:167f8fcf6fb1 1886 options.useCleanSession = false;
AzureIoTClient 21:167f8fcf6fb1 1887 options.qualityOfServiceValue = DELIVER_AT_LEAST_ONCE;
AzureIoTClient 11:31ebaeb51e1e 1888
AzureIoTClient 21:167f8fcf6fb1 1889 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 21:167f8fcf6fb1 1890 {
AzureIoTClient 21:167f8fcf6fb1 1891 if (mqtt_client_connect(transport_data->mqttClient, transport_data->xioTransport, &options) != 0)
AzureIoTClient 11:31ebaeb51e1e 1892 {
AzureIoTClient 24:4096249decf1 1893 LogError("failure connecting to address %s.", STRING_c_str(transport_data->hostAddress));
AzureIoTClient 21:167f8fcf6fb1 1894 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1895 }
AzureIoTClient 11:31ebaeb51e1e 1896 else
AzureIoTClient 11:31ebaeb51e1e 1897 {
AzureIoTClient 21:167f8fcf6fb1 1898 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->mqtt_connect_time);
AzureIoTClient 21:167f8fcf6fb1 1899 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1900 }
AzureIoTClient 21:167f8fcf6fb1 1901 }
AzureIoTClient 21:167f8fcf6fb1 1902 else
AzureIoTClient 21:167f8fcf6fb1 1903 {
AzureIoTClient 21:167f8fcf6fb1 1904 result = __FAILURE__;
AzureIoTClient 21:167f8fcf6fb1 1905 }
AzureIoTClient 12:658ca6865de2 1906
AzureIoTClient 21:167f8fcf6fb1 1907 if (sasToken != NULL)
AzureIoTClient 21:167f8fcf6fb1 1908 {
AzureIoTClient 21:167f8fcf6fb1 1909 free(sasToken);
AzureIoTClient 11:31ebaeb51e1e 1910 }
AzureIoTClient 11:31ebaeb51e1e 1911 }
AzureIoTClient 11:31ebaeb51e1e 1912 return result;
AzureIoTClient 11:31ebaeb51e1e 1913 }
AzureIoTClient 11:31ebaeb51e1e 1914
AzureIoTClient 11:31ebaeb51e1e 1915 static int InitializeConnection(PMQTTTRANSPORT_HANDLE_DATA transport_data)
AzureIoTClient 11:31ebaeb51e1e 1916 {
AzureIoTClient 11:31ebaeb51e1e 1917 int result = 0;
AzureIoTClient 11:31ebaeb51e1e 1918
AzureIoTClient 11:31ebaeb51e1e 1919 // Make sure we're not destroying the object
AzureIoTClient 11:31ebaeb51e1e 1920 if (!transport_data->isDestroyCalled)
AzureIoTClient 11:31ebaeb51e1e 1921 {
AzureIoTClient 25:a35763780a87 1922 RETRY_ACTION retry_action = RETRY_ACTION_RETRY_LATER;
AzureIoTClient 25:a35763780a87 1923
AzureIoTClient 25:a35763780a87 1924 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_007: [ IoTHubTransport_MQTT_Common_DoWork shall try to reconnect according to the current retry policy set ]
AzureIoTClient 25:a35763780a87 1925 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_NOT_CONNECTED && transport_data->isRecoverableError &&
AzureIoTClient 25:a35763780a87 1926 (retry_control_should_retry(transport_data->retry_control_handle, &retry_action) != 0 || retry_action == RETRY_ACTION_RETRY_NOW))
AzureIoTClient 11:31ebaeb51e1e 1927 {
AzureIoTClient 25:a35763780a87 1928 // Note: in case retry_control_should_retry fails, the reconnection shall be attempted anyway (defaulting to policy IOTHUB_CLIENT_RETRY_IMMEDIATE).
AzureIoTClient 25:a35763780a87 1929
Azure.IoT.Build 13:606465879c57 1930 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &transport_data->connectTick) != 0)
AzureIoTClient 11:31ebaeb51e1e 1931 {
AzureIoTClient 12:658ca6865de2 1932 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1933 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1934 }
AzureIoTClient 12:658ca6865de2 1935 else
AzureIoTClient 11:31ebaeb51e1e 1936 {
AzureIoTClient 37:e6a799428f3d 1937 ResetConnectionIfNecessary(transport_data);
AzureIoTClient 37:e6a799428f3d 1938
AzureIoTClient 12:658ca6865de2 1939 if (SendMqttConnectMsg(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 1940 {
AzureIoTClient 11:31ebaeb51e1e 1941 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1942 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1943 }
AzureIoTClient 11:31ebaeb51e1e 1944 else
AzureIoTClient 11:31ebaeb51e1e 1945 {
AzureIoTClient 20:594780be216d 1946 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_CONNECTING;
AzureIoTClient 12:658ca6865de2 1947 transport_data->connectFailCount = 0;
AzureIoTClient 12:658ca6865de2 1948 result = 0;
AzureIoTClient 11:31ebaeb51e1e 1949 }
AzureIoTClient 11:31ebaeb51e1e 1950 }
AzureIoTClient 11:31ebaeb51e1e 1951 }
AzureIoTClient 21:167f8fcf6fb1 1952 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_001: [ IoTHubTransport_MQTT_Common_DoWork shall trigger reconnection if the mqtt_client_connect does not complete within `keepalive` seconds]
AzureIoTClient 20:594780be216d 1953 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTING)
AzureIoTClient 11:31ebaeb51e1e 1954 {
AzureIoTClient 20:594780be216d 1955 tickcounter_ms_t current_time;
AzureIoTClient 20:594780be216d 1956 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 20:594780be216d 1957 {
AzureIoTClient 20:594780be216d 1958 LogError("failed verifying MQTT_CLIENT_STATUS_CONNECTING timeout");
AzureIoTClient 20:594780be216d 1959 result = __FAILURE__;
AzureIoTClient 20:594780be216d 1960 }
AzureIoTClient 32:103a46ed8822 1961 else if ((current_time - transport_data->mqtt_connect_time) / 1000 > transport_data->connect_timeout_in_sec)
AzureIoTClient 20:594780be216d 1962 {
AzureIoTClient 20:594780be216d 1963 LogError("mqtt_client timed out waiting for CONNACK");
AzureIoTClient 20:594780be216d 1964 DisconnectFromClient(transport_data);
AzureIoTClient 38:369a06de92aa 1965 result = __FAILURE__;
AzureIoTClient 20:594780be216d 1966 }
AzureIoTClient 20:594780be216d 1967 }
AzureIoTClient 20:594780be216d 1968 else if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_CONNECTED)
AzureIoTClient 20:594780be216d 1969 {
AzureIoTClient 20:594780be216d 1970 // We are connected and not being closed, so does SAS need to reconnect?
Azure.IoT.Build 13:606465879c57 1971 tickcounter_ms_t current_time;
Azure.IoT.Build 13:606465879c57 1972 if (tickcounter_get_current_ms(transport_data->msgTickCounter, &current_time) != 0)
AzureIoTClient 11:31ebaeb51e1e 1973 {
AzureIoTClient 11:31ebaeb51e1e 1974 transport_data->connectFailCount++;
AzureIoTClient 18:ec8e5e97c6a4 1975 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 1976 }
AzureIoTClient 11:31ebaeb51e1e 1977 else
AzureIoTClient 11:31ebaeb51e1e 1978 {
AzureIoTClient 29:923be0c3998a 1979 if ((current_time - transport_data->mqtt_connect_time) / 1000 > (transport_data->option_sas_token_lifetime_secs*SAS_REFRESH_MULTIPLIER))
AzureIoTClient 11:31ebaeb51e1e 1980 {
AzureIoTClient 27:04de3c0bf1db 1981 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_058: [ If the sas token has timed out IoTHubTransport_MQTT_Common_DoWork shall disconnect from the mqtt client and destroy the transport information and wait for reconnect. ] */
AzureIoTClient 28:0cd355c3294e 1982 OPTIONHANDLER_HANDLE options = xio_retrieveoptions(transport_data->xioTransport);
AzureIoTClient 28:0cd355c3294e 1983 set_saved_tls_options(transport_data, options);
AzureIoTClient 28:0cd355c3294e 1984 (void)mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 27:04de3c0bf1db 1985 xio_destroy(transport_data->xioTransport);
AzureIoTClient 27:04de3c0bf1db 1986 transport_data->xioTransport = NULL;
AzureIoTClient 27:04de3c0bf1db 1987
AzureIoTClient 19:f87dfe76bc70 1988 IoTHubClient_LL_ConnectionStatusCallBack(transport_data->llClientHandle, IOTHUB_CLIENT_CONNECTION_UNAUTHENTICATED, IOTHUB_CLIENT_CONNECTION_EXPIRED_SAS_TOKEN);
AzureIoTClient 20:594780be216d 1989 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 11:31ebaeb51e1e 1990 transport_data->currPacketState = UNKNOWN_TYPE;
AzureIoTClient 12:658ca6865de2 1991 transport_data->device_twin_get_sent = false;
AzureIoTClient 11:31ebaeb51e1e 1992 if (transport_data->topic_MqttMessage != NULL)
AzureIoTClient 11:31ebaeb51e1e 1993 {
AzureIoTClient 11:31ebaeb51e1e 1994 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 1995 }
AzureIoTClient 12:658ca6865de2 1996 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 1997 {
AzureIoTClient 12:658ca6865de2 1998 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 1999 }
AzureIoTClient 12:658ca6865de2 2000 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 2001 {
AzureIoTClient 12:658ca6865de2 2002 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2003 }
AzureIoTClient 12:658ca6865de2 2004 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 2005 {
AzureIoTClient 12:658ca6865de2 2006 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2007 }
AzureIoTClient 11:31ebaeb51e1e 2008 }
AzureIoTClient 11:31ebaeb51e1e 2009 }
AzureIoTClient 11:31ebaeb51e1e 2010 }
AzureIoTClient 11:31ebaeb51e1e 2011 }
AzureIoTClient 11:31ebaeb51e1e 2012 return result;
AzureIoTClient 11:31ebaeb51e1e 2013 }
AzureIoTClient 11:31ebaeb51e1e 2014
AzureIoTClient 11:31ebaeb51e1e 2015 static STRING_HANDLE buildConfigForUsername(const IOTHUB_CLIENT_CONFIG* upperConfig)
AzureIoTClient 11:31ebaeb51e1e 2016 {
AzureIoTClient 22:07fec4d325b6 2017 return STRING_construct_sprintf("%s.%s/%s/api-version=%s&DeviceClientType=", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId, IOTHUB_API_VERSION);
AzureIoTClient 11:31ebaeb51e1e 2018 }
AzureIoTClient 11:31ebaeb51e1e 2019
AzureIoTClient 21:167f8fcf6fb1 2020 static PMQTTTRANSPORT_HANDLE_DATA InitializeTransportHandleData(const IOTHUB_CLIENT_CONFIG* upperConfig, PDLIST_ENTRY waitingToSend, IOTHUB_AUTHORIZATION_HANDLE auth_module)
AzureIoTClient 11:31ebaeb51e1e 2021 {
AzureIoTClient 11:31ebaeb51e1e 2022 PMQTTTRANSPORT_HANDLE_DATA state = (PMQTTTRANSPORT_HANDLE_DATA)malloc(sizeof(MQTTTRANSPORT_HANDLE_DATA));
AzureIoTClient 11:31ebaeb51e1e 2023 if (state == NULL)
AzureIoTClient 11:31ebaeb51e1e 2024 {
AzureIoTClient 11:31ebaeb51e1e 2025 LogError("Could not create MQTT transport state. Memory allocation failed.");
AzureIoTClient 11:31ebaeb51e1e 2026 }
AzureIoTClient 11:31ebaeb51e1e 2027 else
AzureIoTClient 11:31ebaeb51e1e 2028 {
AzureIoTClient 21:167f8fcf6fb1 2029 memset(state, 0, sizeof(MQTTTRANSPORT_HANDLE_DATA) );
AzureIoTClient 21:167f8fcf6fb1 2030 if ((state->msgTickCounter = tickcounter_create()) == NULL)
AzureIoTClient 11:31ebaeb51e1e 2031 {
AzureIoTClient 21:167f8fcf6fb1 2032 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 31:d6198e67d1eb 2033 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 2034 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 2035 }
AzureIoTClient 25:a35763780a87 2036 // Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_09_005: [ MQTT transport shall use EXPONENTIAL_WITH_BACK_OFF as default retry policy ]
AzureIoTClient 25:a35763780a87 2037 else if ((state->retry_control_handle = retry_control_create(DEFAULT_RETRY_POLICY, DEFAULT_RETRY_TIMEOUT_IN_SECONDS)) == NULL)
AzureIoTClient 25:a35763780a87 2038 {
AzureIoTClient 25:a35763780a87 2039 LogError("Failed creating default retry control");
AzureIoTClient 31:d6198e67d1eb 2040 free_transport_handle_data(state);
AzureIoTClient 25:a35763780a87 2041 state = NULL;
AzureIoTClient 25:a35763780a87 2042 }
AzureIoTClient 21:167f8fcf6fb1 2043 else if ((state->device_id = STRING_construct(upperConfig->deviceId)) == NULL)
AzureIoTClient 21:167f8fcf6fb1 2044 {
AzureIoTClient 21:167f8fcf6fb1 2045 LogError("failure constructing device_id.");
AzureIoTClient 31:d6198e67d1eb 2046 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 2047 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 2048 }
AzureIoTClient 21:167f8fcf6fb1 2049 else if ((state->devicesPath = STRING_construct_sprintf("%s.%s/devices/%s", upperConfig->iotHubName, upperConfig->iotHubSuffix, upperConfig->deviceId)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 2050 {
AzureIoTClient 31:d6198e67d1eb 2051 LogError("failure constructing devicesPath.");
AzureIoTClient 31:d6198e67d1eb 2052 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 2053 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 2054 }
AzureIoTClient 11:31ebaeb51e1e 2055 else
AzureIoTClient 11:31ebaeb51e1e 2056 {
AzureIoTClient 21:167f8fcf6fb1 2057 if ( (state->topic_MqttEvent = STRING_construct_sprintf(TOPIC_DEVICE_DEVICE, upperConfig->deviceId) ) == NULL)
AzureIoTClient 11:31ebaeb51e1e 2058 {
AzureIoTClient 21:167f8fcf6fb1 2059 LogError("Could not create topic_MqttEvent for MQTT");
AzureIoTClient 31:d6198e67d1eb 2060 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 2061 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 2062 }
AzureIoTClient 11:31ebaeb51e1e 2063 else
AzureIoTClient 11:31ebaeb51e1e 2064 {
AzureIoTClient 21:167f8fcf6fb1 2065 state->mqttClient = mqtt_client_init(mqtt_notification_callback, mqtt_operation_complete_callback, state, mqtt_error_callback, state);
AzureIoTClient 21:167f8fcf6fb1 2066 if (state->mqttClient == NULL)
AzureIoTClient 11:31ebaeb51e1e 2067 {
AzureIoTClient 21:167f8fcf6fb1 2068 LogError("failure initializing mqtt client.");
AzureIoTClient 31:d6198e67d1eb 2069 free_transport_handle_data(state);
AzureIoTClient 11:31ebaeb51e1e 2070 state = NULL;
AzureIoTClient 11:31ebaeb51e1e 2071 }
AzureIoTClient 11:31ebaeb51e1e 2072 else
AzureIoTClient 11:31ebaeb51e1e 2073 {
AzureIoTClient 21:167f8fcf6fb1 2074 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_008: [If the upperConfig contains a valid protocolGatewayHostName value the this shall be used for the hostname, otherwise the hostname shall be constructed using the iothubname and iothubSuffix.] */
AzureIoTClient 21:167f8fcf6fb1 2075 if (upperConfig->protocolGatewayHostName == NULL)
AzureIoTClient 21:167f8fcf6fb1 2076 {
AzureIoTClient 21:167f8fcf6fb1 2077 state->hostAddress = STRING_construct_sprintf("%s.%s", upperConfig->iotHubName, upperConfig->iotHubSuffix);
AzureIoTClient 21:167f8fcf6fb1 2078 }
AzureIoTClient 21:167f8fcf6fb1 2079 else
AzureIoTClient 21:167f8fcf6fb1 2080 {
AzureIoTClient 21:167f8fcf6fb1 2081 state->hostAddress = STRING_construct(upperConfig->protocolGatewayHostName);
AzureIoTClient 21:167f8fcf6fb1 2082 }
AzureIoTClient 21:167f8fcf6fb1 2083
AzureIoTClient 21:167f8fcf6fb1 2084 if (state->hostAddress == NULL)
AzureIoTClient 21:167f8fcf6fb1 2085 {
AzureIoTClient 21:167f8fcf6fb1 2086 LogError("failure constructing host address.");
AzureIoTClient 31:d6198e67d1eb 2087 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 2088 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 2089 }
AzureIoTClient 21:167f8fcf6fb1 2090 else if ((state->configPassedThroughUsername = buildConfigForUsername(upperConfig)) == NULL)
AzureIoTClient 21:167f8fcf6fb1 2091 {
AzureIoTClient 31:d6198e67d1eb 2092 free_transport_handle_data(state);
AzureIoTClient 21:167f8fcf6fb1 2093 state = NULL;
AzureIoTClient 21:167f8fcf6fb1 2094 }
AzureIoTClient 21:167f8fcf6fb1 2095 else
AzureIoTClient 21:167f8fcf6fb1 2096 {
AzureIoTClient 21:167f8fcf6fb1 2097 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_010: [IoTHubTransport_MQTT_Common_Create shall allocate memory to save its internal state where all topics, hostname, device_id, device_key, sasTokenSr and client handle shall be saved.] */
AzureIoTClient 21:167f8fcf6fb1 2098 DList_InitializeListHead(&(state->telemetry_waitingForAck));
AzureIoTClient 21:167f8fcf6fb1 2099 DList_InitializeListHead(&(state->ack_waiting_queue));
AzureIoTClient 21:167f8fcf6fb1 2100 state->isDestroyCalled = false;
AzureIoTClient 21:167f8fcf6fb1 2101 state->isRegistered = false;
AzureIoTClient 21:167f8fcf6fb1 2102 state->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 21:167f8fcf6fb1 2103 state->device_twin_get_sent = false;
AzureIoTClient 21:167f8fcf6fb1 2104 state->isRecoverableError = true;
AzureIoTClient 21:167f8fcf6fb1 2105 state->packetId = 1;
AzureIoTClient 21:167f8fcf6fb1 2106 state->llClientHandle = NULL;
AzureIoTClient 21:167f8fcf6fb1 2107 state->xioTransport = NULL;
AzureIoTClient 21:167f8fcf6fb1 2108 state->portNum = 0;
AzureIoTClient 21:167f8fcf6fb1 2109 state->waitingToSend = waitingToSend;
AzureIoTClient 21:167f8fcf6fb1 2110 state->currPacketState = CONNECT_TYPE;
AzureIoTClient 21:167f8fcf6fb1 2111 state->keepAliveValue = DEFAULT_MQTT_KEEPALIVE;
AzureIoTClient 32:103a46ed8822 2112 state->connect_timeout_in_sec = DEFAULT_CONNACK_TIMEOUT;
AzureIoTClient 21:167f8fcf6fb1 2113 state->connectFailCount = 0;
AzureIoTClient 21:167f8fcf6fb1 2114 state->connectTick = 0;
AzureIoTClient 21:167f8fcf6fb1 2115 state->topic_MqttMessage = NULL;
AzureIoTClient 21:167f8fcf6fb1 2116 state->topic_GetState = NULL;
AzureIoTClient 21:167f8fcf6fb1 2117 state->topic_NotifyState = NULL;
AzureIoTClient 21:167f8fcf6fb1 2118 state->topics_ToSubscribe = UNSUBSCRIBE_FROM_TOPIC;
AzureIoTClient 21:167f8fcf6fb1 2119 state->topic_DeviceMethods = NULL;
AzureIoTClient 21:167f8fcf6fb1 2120 state->log_trace = state->raw_trace = false;
AzureIoTClient 21:167f8fcf6fb1 2121 srand((unsigned int)get_time(NULL));
AzureIoTClient 21:167f8fcf6fb1 2122 state->authorization_module = auth_module;
AzureIoTClient 24:4096249decf1 2123 state->isProductInfoSet = false;
AzureIoTClient 29:923be0c3998a 2124 state->option_sas_token_lifetime_secs = SAS_TOKEN_DEFAULT_LIFETIME;
AzureIoTClient 37:e6a799428f3d 2125 state->auto_url_encode_decode = false;
AzureIoTClient 21:167f8fcf6fb1 2126 }
AzureIoTClient 11:31ebaeb51e1e 2127 }
AzureIoTClient 11:31ebaeb51e1e 2128 }
AzureIoTClient 11:31ebaeb51e1e 2129 }
AzureIoTClient 11:31ebaeb51e1e 2130 }
AzureIoTClient 11:31ebaeb51e1e 2131 return state;
AzureIoTClient 11:31ebaeb51e1e 2132 }
AzureIoTClient 11:31ebaeb51e1e 2133
AzureIoTClient 11:31ebaeb51e1e 2134 TRANSPORT_LL_HANDLE IoTHubTransport_MQTT_Common_Create(const IOTHUBTRANSPORT_CONFIG* config, MQTT_GET_IO_TRANSPORT get_io_transport)
AzureIoTClient 11:31ebaeb51e1e 2135 {
AzureIoTClient 11:31ebaeb51e1e 2136 PMQTTTRANSPORT_HANDLE_DATA result;
AzureIoTClient 11:31ebaeb51e1e 2137 size_t deviceIdSize;
AzureIoTClient 11:31ebaeb51e1e 2138
AzureIoTClient 12:658ca6865de2 2139 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_001: [If parameter config is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2140 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_041: [ if get_io_transport is NULL then IoTHubTransport_MQTT_Common_Create shall return NULL. ] */
AzureIoTClient 11:31ebaeb51e1e 2141 if (config == NULL || get_io_transport == NULL)
AzureIoTClient 11:31ebaeb51e1e 2142 {
AzureIoTClient 11:31ebaeb51e1e 2143 LogError("Invalid Argument: Config Parameter is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2144 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2145 }
AzureIoTClient 28:0cd355c3294e 2146 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig, auth_module_handle or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 28:0cd355c3294e 2147 else if (config->auth_module_handle == NULL)
AzureIoTClient 28:0cd355c3294e 2148 {
AzureIoTClient 28:0cd355c3294e 2149 LogError("Invalid Argument: auth_module_handle is NULL)");
AzureIoTClient 28:0cd355c3294e 2150 result = NULL;
AzureIoTClient 28:0cd355c3294e 2151 }
AzureIoTClient 12:658ca6865de2 2152 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2153 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2154 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_003: [If both deviceKey & deviceSasToken fields are NOT NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2155 else if (config->upperConfig == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2156 config->upperConfig->protocol == NULL ||
AzureIoTClient 11:31ebaeb51e1e 2157 config->upperConfig->deviceId == NULL ||
AzureIoTClient 28:0cd355c3294e 2158 ((config->upperConfig->deviceKey != NULL) && (config->upperConfig->deviceSasToken != NULL)) ||
AzureIoTClient 28:0cd355c3294e 2159 //is_key_validate(config) != 0 ||
AzureIoTClient 28:0cd355c3294e 2160 config->upperConfig->iotHubName == NULL ||
AzureIoTClient 28:0cd355c3294e 2161 config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient 11:31ebaeb51e1e 2162 {
AzureIoTClient 11:31ebaeb51e1e 2163 LogError("Invalid Argument: upperConfig structure contains an invalid parameter");
AzureIoTClient 11:31ebaeb51e1e 2164 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2165 }
AzureIoTClient 21:167f8fcf6fb1 2166 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_002: [If the parameter config's variables upperConfig, auth_module_handle or waitingToSend are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2167 else if (config->waitingToSend == NULL)
AzureIoTClient 11:31ebaeb51e1e 2168 {
AzureIoTClient 11:31ebaeb51e1e 2169 LogError("Invalid Argument: waitingToSend is NULL)");
AzureIoTClient 11:31ebaeb51e1e 2170 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2171 }
AzureIoTClient 12:658ca6865de2 2172 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_006: [If the upperConfig's variables deviceId is an empty strings or length is greater then 128 then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2173 else if ( ( (deviceIdSize = strlen(config->upperConfig->deviceId)) > 128U) || (deviceIdSize == 0) )
AzureIoTClient 11:31ebaeb51e1e 2174 {
AzureIoTClient 11:31ebaeb51e1e 2175 LogError("Invalid Argument: DeviceId is of an invalid size");
AzureIoTClient 11:31ebaeb51e1e 2176 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2177 }
AzureIoTClient 12:658ca6865de2 2178 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2179 else if ((config->upperConfig->deviceKey != NULL) && (strlen(config->upperConfig->deviceKey) == 0))
AzureIoTClient 11:31ebaeb51e1e 2180 {
AzureIoTClient 11:31ebaeb51e1e 2181 LogError("Invalid Argument: deviceKey is empty");
AzureIoTClient 11:31ebaeb51e1e 2182 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2183 }
AzureIoTClient 12:658ca6865de2 2184 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, both deviceKey and deviceSasToken, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2185 else if ((config->upperConfig->deviceSasToken != NULL) && (strlen(config->upperConfig->deviceSasToken) == 0))
AzureIoTClient 11:31ebaeb51e1e 2186 {
AzureIoTClient 11:31ebaeb51e1e 2187 LogError("Invalid Argument: deviceSasToken is empty");
AzureIoTClient 11:31ebaeb51e1e 2188 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2189 }
AzureIoTClient 12:658ca6865de2 2190 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_003: [If the upperConfig's variables deviceId, deviceKey, iotHubName, protocol, or iotHubSuffix are NULL then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2191 else if (strlen(config->upperConfig->iotHubName) == 0)
AzureIoTClient 11:31ebaeb51e1e 2192 {
AzureIoTClient 11:31ebaeb51e1e 2193 LogError("Invalid Argument: iotHubName is empty");
AzureIoTClient 11:31ebaeb51e1e 2194 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2195 }
AzureIoTClient 11:31ebaeb51e1e 2196 else
AzureIoTClient 11:31ebaeb51e1e 2197 {
AzureIoTClient 21:167f8fcf6fb1 2198 result = InitializeTransportHandleData(config->upperConfig, config->waitingToSend, config->auth_module_handle);
Azure.IoT.Build 13:606465879c57 2199 if (result != NULL)
AzureIoTClient 11:31ebaeb51e1e 2200 {
AzureIoTClient 11:31ebaeb51e1e 2201 result->get_io_transport = get_io_transport;
AzureIoTClient 20:594780be216d 2202 result->http_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2203 result->http_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2204 result->http_proxy_password = NULL;
AzureIoTClient 11:31ebaeb51e1e 2205 }
AzureIoTClient 11:31ebaeb51e1e 2206 }
AzureIoTClient 12:658ca6865de2 2207 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_009: [If any error is encountered then IoTHubTransport_MQTT_Common_Create shall return NULL.] */
AzureIoTClient 12:658ca6865de2 2208 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_011: [On Success IoTHubTransport_MQTT_Common_Create shall return a non-NULL value.] */
AzureIoTClient 11:31ebaeb51e1e 2209 return result;
AzureIoTClient 11:31ebaeb51e1e 2210 }
AzureIoTClient 11:31ebaeb51e1e 2211
AzureIoTClient 11:31ebaeb51e1e 2212 void IoTHubTransport_MQTT_Common_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2213 {
AzureIoTClient 12:658ca6865de2 2214 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_012: [IoTHubTransport_MQTT_Common_Destroy shall do nothing if parameter handle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2215 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2216 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2217 {
AzureIoTClient 11:31ebaeb51e1e 2218 transport_data->isDestroyCalled = true;
AzureIoTClient 11:31ebaeb51e1e 2219
AzureIoTClient 11:31ebaeb51e1e 2220 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2221
AzureIoTClient 11:31ebaeb51e1e 2222 //Empty the Waiting for Ack Messages.
AzureIoTClient 11:31ebaeb51e1e 2223 while (!DList_IsListEmpty(&transport_data->telemetry_waitingForAck))
AzureIoTClient 11:31ebaeb51e1e 2224 {
AzureIoTClient 11:31ebaeb51e1e 2225 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->telemetry_waitingForAck);
AzureIoTClient 11:31ebaeb51e1e 2226 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2227 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_BECAUSE_DESTROY);
AzureIoTClient 11:31ebaeb51e1e 2228 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2229 }
AzureIoTClient 12:658ca6865de2 2230 while (!DList_IsListEmpty(&transport_data->ack_waiting_queue))
AzureIoTClient 12:658ca6865de2 2231 {
AzureIoTClient 12:658ca6865de2 2232 PDLIST_ENTRY currentEntry = DList_RemoveHeadList(&transport_data->ack_waiting_queue);
AzureIoTClient 12:658ca6865de2 2233 MQTT_DEVICE_TWIN_ITEM* mqtt_device_twin = containingRecord(currentEntry, MQTT_DEVICE_TWIN_ITEM, entry);
AzureIoTClient 12:658ca6865de2 2234 IoTHubClient_LL_ReportedStateComplete(transport_data->llClientHandle, mqtt_device_twin->iothub_msg_id, STATUS_CODE_TIMEOUT_VALUE);
AzureIoTClient 12:658ca6865de2 2235 free(mqtt_device_twin);
AzureIoTClient 12:658ca6865de2 2236 }
AzureIoTClient 11:31ebaeb51e1e 2237
AzureIoTClient 12:658ca6865de2 2238 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_014: [IoTHubTransport_MQTT_Common_Destroy shall free all the resources currently in use.] */
AzureIoTClient 20:594780be216d 2239 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_012: [ `IoTHubTransport_MQTT_Common_Destroy` shall free the stored proxy options. ]*/
AzureIoTClient 31:d6198e67d1eb 2240 free_transport_handle_data(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2241 }
AzureIoTClient 11:31ebaeb51e1e 2242 }
AzureIoTClient 11:31ebaeb51e1e 2243
AzureIoTClient 12:658ca6865de2 2244 int IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2245 {
AzureIoTClient 12:658ca6865de2 2246 int result;
AzureIoTClient 12:658ca6865de2 2247 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2248 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2249 {
AzureIoTClient 12:658ca6865de2 2250 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_042: [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2251 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2252 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2253 }
AzureIoTClient 12:658ca6865de2 2254 else
AzureIoTClient 12:658ca6865de2 2255 {
AzureIoTClient 12:658ca6865de2 2256 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2257 {
AzureIoTClient 12:658ca6865de2 2258 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_044: [IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall construct the get state topic string and the notify state topic string.] */
AzureIoTClient 12:658ca6865de2 2259 transport_data->topic_GetState = STRING_construct(TOPIC_GET_DESIRED_STATE);
AzureIoTClient 12:658ca6865de2 2260 if (transport_data->topic_GetState == NULL)
AzureIoTClient 12:658ca6865de2 2261 {
AzureIoTClient 12:658ca6865de2 2262 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_046: [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return a non-zero value.] */
AzureIoTClient 12:658ca6865de2 2263 LogError("Failure: unable constructing reported state topic");
AzureIoTClient 18:ec8e5e97c6a4 2264 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2265 }
AzureIoTClient 12:658ca6865de2 2266 else
AzureIoTClient 12:658ca6865de2 2267 {
AzureIoTClient 12:658ca6865de2 2268 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2269 transport_data->topics_ToSubscribe |= SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2270 result = 0;
AzureIoTClient 12:658ca6865de2 2271 }
AzureIoTClient 12:658ca6865de2 2272 }
AzureIoTClient 12:658ca6865de2 2273 else
AzureIoTClient 12:658ca6865de2 2274 {
AzureIoTClient 12:658ca6865de2 2275 result = 0;
AzureIoTClient 12:658ca6865de2 2276 }
AzureIoTClient 12:658ca6865de2 2277 if (result == 0 && transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2278 {
AzureIoTClient 12:658ca6865de2 2279 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_044: [`IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin` shall construct the get state topic string and the notify state topic string.] */
AzureIoTClient 12:658ca6865de2 2280 transport_data->topic_NotifyState = STRING_construct(TOPIC_NOTIFICATION_STATE);
AzureIoTClient 12:658ca6865de2 2281 if (transport_data->topic_NotifyState == NULL)
AzureIoTClient 12:658ca6865de2 2282 {
AzureIoTClient 12:658ca6865de2 2283 LogError("Failure: unable constructing notify state topic");
AzureIoTClient 18:ec8e5e97c6a4 2284 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2285 }
AzureIoTClient 12:658ca6865de2 2286 else
AzureIoTClient 12:658ca6865de2 2287 {
AzureIoTClient 12:658ca6865de2 2288 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_047: [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceTwin shall return 0.] */
AzureIoTClient 12:658ca6865de2 2289 transport_data->topics_ToSubscribe |= SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2290 result = 0;
AzureIoTClient 12:658ca6865de2 2291 }
AzureIoTClient 12:658ca6865de2 2292 }
AzureIoTClient 12:658ca6865de2 2293 if (result == 0)
AzureIoTClient 12:658ca6865de2 2294 {
AzureIoTClient 12:658ca6865de2 2295 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2296 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2297 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2298 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2299 {
AzureIoTClient 12:658ca6865de2 2300 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2301 }
AzureIoTClient 12:658ca6865de2 2302 }
AzureIoTClient 12:658ca6865de2 2303 }
AzureIoTClient 12:658ca6865de2 2304 return result;
AzureIoTClient 12:658ca6865de2 2305 }
AzureIoTClient 12:658ca6865de2 2306
AzureIoTClient 12:658ca6865de2 2307 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2308 {
AzureIoTClient 12:658ca6865de2 2309 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2310 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_048: [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall do nothing.] */
AzureIoTClient 12:658ca6865de2 2311 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2312 {
AzureIoTClient 12:658ca6865de2 2313 if (transport_data->topic_GetState != NULL)
AzureIoTClient 12:658ca6865de2 2314 {
AzureIoTClient 12:658ca6865de2 2315 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_049: [If subscribe_state is set to IOTHUB_DEVICE_TWIN_DESIRED_STATE then IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall unsubscribe from the topic_GetState to the mqtt client.] */
AzureIoTClient 12:658ca6865de2 2316 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_GET_REPORTED_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2317 STRING_delete(transport_data->topic_GetState);
AzureIoTClient 12:658ca6865de2 2318 transport_data->topic_GetState = NULL;
AzureIoTClient 12:658ca6865de2 2319 }
AzureIoTClient 12:658ca6865de2 2320 if (transport_data->topic_NotifyState != NULL)
AzureIoTClient 12:658ca6865de2 2321 {
AzureIoTClient 12:658ca6865de2 2322 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_050: [If subscribe_state is set to IOTHUB_DEVICE_TWIN_NOTIFICATION_STATE then IoTHubTransport_MQTT_Common_Unsubscribe_DeviceTwin shall unsubscribe from the topic_NotifyState to the mqtt client.] */
AzureIoTClient 12:658ca6865de2 2323 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_NOTIFICATION_STATE_TOPIC;
AzureIoTClient 12:658ca6865de2 2324 STRING_delete(transport_data->topic_NotifyState);
AzureIoTClient 12:658ca6865de2 2325 transport_data->topic_NotifyState = NULL;
AzureIoTClient 12:658ca6865de2 2326 }
AzureIoTClient 12:658ca6865de2 2327 }
AzureIoTClient 12:658ca6865de2 2328 else
AzureIoTClient 12:658ca6865de2 2329 {
AzureIoTClient 12:658ca6865de2 2330 LogError("Invalid argument to unsubscribe (handle is NULL).");
AzureIoTClient 12:658ca6865de2 2331 }
AzureIoTClient 12:658ca6865de2 2332 }
AzureIoTClient 12:658ca6865de2 2333
AzureIoTClient 12:658ca6865de2 2334 int IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2335 {
AzureIoTClient 12:658ca6865de2 2336 int result;
AzureIoTClient 12:658ca6865de2 2337 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2338
AzureIoTClient 12:658ca6865de2 2339 if (transport_data == NULL)
AzureIoTClient 12:658ca6865de2 2340 {
AzureIoTClient 12:658ca6865de2 2341 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_001 : [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2342 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2343 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2344 }
AzureIoTClient 12:658ca6865de2 2345 else
AzureIoTClient 12:658ca6865de2 2346 {
AzureIoTClient 12:658ca6865de2 2347 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2348 {
AzureIoTClient 12:658ca6865de2 2349 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_004 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for subscribe.]*/
AzureIoTClient 12:658ca6865de2 2350 transport_data->topic_DeviceMethods = STRING_construct(TOPIC_DEVICE_METHOD_SUBSCRIBE);
AzureIoTClient 12:658ca6865de2 2351 if (transport_data->topic_DeviceMethods == NULL)
AzureIoTClient 12:658ca6865de2 2352 {
AzureIoTClient 12:658ca6865de2 2353 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_006 : [Upon failure IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return a non - zero value.]*/
AzureIoTClient 12:658ca6865de2 2354 LogError("Failure: unable constructing device method subscribe topic");
AzureIoTClient 18:ec8e5e97c6a4 2355 result = __FAILURE__;
AzureIoTClient 12:658ca6865de2 2356 }
AzureIoTClient 12:658ca6865de2 2357 else
AzureIoTClient 12:658ca6865de2 2358 {
AzureIoTClient 12:658ca6865de2 2359 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_003 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall set the signaling flag for DEVICE_METHOD topic for the receiver's topic list. ]*/
AzureIoTClient 12:658ca6865de2 2360 transport_data->topics_ToSubscribe |= SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2361 result = 0;
AzureIoTClient 12:658ca6865de2 2362 }
AzureIoTClient 12:658ca6865de2 2363 }
AzureIoTClient 12:658ca6865de2 2364 else
AzureIoTClient 12:658ca6865de2 2365 {
AzureIoTClient 12:658ca6865de2 2366 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_002 : [If the MQTT transport has been previously subscribed to DEVICE_METHOD topic IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall do nothing and return 0.]*/
AzureIoTClient 12:658ca6865de2 2367 result = 0;
AzureIoTClient 12:658ca6865de2 2368 }
AzureIoTClient 12:658ca6865de2 2369
AzureIoTClient 12:658ca6865de2 2370 if (result == 0)
AzureIoTClient 12:658ca6865de2 2371 {
AzureIoTClient 12:658ca6865de2 2372 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_005 : [IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall schedule the send of the subscription.]*/
AzureIoTClient 12:658ca6865de2 2373 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_007 : [On success IoTHubTransport_MQTT_Common_Subscribe_DeviceMethod shall return 0.]*/
AzureIoTClient 12:658ca6865de2 2374 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 12:658ca6865de2 2375 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2376 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 12:658ca6865de2 2377 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 12:658ca6865de2 2378 {
AzureIoTClient 12:658ca6865de2 2379 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 12:658ca6865de2 2380 }
AzureIoTClient 12:658ca6865de2 2381 }
AzureIoTClient 12:658ca6865de2 2382 }
AzureIoTClient 12:658ca6865de2 2383 return result;
AzureIoTClient 12:658ca6865de2 2384 }
AzureIoTClient 12:658ca6865de2 2385
AzureIoTClient 12:658ca6865de2 2386 void IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 12:658ca6865de2 2387 {
AzureIoTClient 12:658ca6865de2 2388 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2389 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_008 : [If the parameter handle is NULL than IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall do nothing and return.]*/
AzureIoTClient 12:658ca6865de2 2390 if (transport_data != NULL)
AzureIoTClient 12:658ca6865de2 2391 {
AzureIoTClient 12:658ca6865de2 2392 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_009 : [If the MQTT transport has not been subscribed to DEVICE_METHOD topic IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall do nothing and return.]*/
AzureIoTClient 12:658ca6865de2 2393 if (transport_data->topic_DeviceMethods != NULL)
AzureIoTClient 12:658ca6865de2 2394 {
AzureIoTClient 12:658ca6865de2 2395 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_010 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall construct the DEVICE_METHOD topic string for unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2396 const char* unsubscribe[1];
AzureIoTClient 12:658ca6865de2 2397 unsubscribe[0] = STRING_c_str(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2398
AzureIoTClient 12:658ca6865de2 2399 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_011 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall send the unsubscribe.]*/
AzureIoTClient 12:658ca6865de2 2400 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 12:658ca6865de2 2401 {
AzureIoTClient 12:658ca6865de2 2402 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 12:658ca6865de2 2403 }
AzureIoTClient 12:658ca6865de2 2404
AzureIoTClient 12:658ca6865de2 2405 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_12_012 : [IoTHubTransport_MQTT_Common_Unsubscribe_DeviceMethod shall removes the signaling flag for DEVICE_METHOD topic from the receiver's topic list. ]*/
AzureIoTClient 12:658ca6865de2 2406 STRING_delete(transport_data->topic_DeviceMethods);
AzureIoTClient 12:658ca6865de2 2407 transport_data->topic_DeviceMethods = NULL;
AzureIoTClient 12:658ca6865de2 2408 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_DEVICE_METHOD_TOPIC;
AzureIoTClient 12:658ca6865de2 2409 }
AzureIoTClient 12:658ca6865de2 2410 }
AzureIoTClient 12:658ca6865de2 2411 else
AzureIoTClient 12:658ca6865de2 2412 {
AzureIoTClient 12:658ca6865de2 2413 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 12:658ca6865de2 2414 }
AzureIoTClient 12:658ca6865de2 2415 }
AzureIoTClient 12:658ca6865de2 2416
AzureIoTClient 14:4dc2b011be33 2417 int IoTHubTransport_MQTT_Common_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t respSize, int status)
AzureIoTClient 14:4dc2b011be33 2418 {
AzureIoTClient 14:4dc2b011be33 2419 int result;
AzureIoTClient 14:4dc2b011be33 2420 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 14:4dc2b011be33 2421 if (transport_data != NULL)
AzureIoTClient 14:4dc2b011be33 2422 {
AzureIoTClient 14:4dc2b011be33 2423 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_042: [ IoTHubTransport_MQTT_Common_DeviceMethod_Response shall publish an mqtt message for the device method response. ] */
AzureIoTClient 14:4dc2b011be33 2424 DEVICE_METHOD_INFO* dev_method_info = (DEVICE_METHOD_INFO*)methodId;
AzureIoTClient 14:4dc2b011be33 2425 if (dev_method_info == NULL)
AzureIoTClient 14:4dc2b011be33 2426 {
AzureIoTClient 14:4dc2b011be33 2427 LogError("Failure: DEVICE_METHOD_INFO was NULL");
AzureIoTClient 18:ec8e5e97c6a4 2428 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2429 }
AzureIoTClient 14:4dc2b011be33 2430 else
AzureIoTClient 14:4dc2b011be33 2431 {
AzureIoTClient 14:4dc2b011be33 2432 if (publish_device_method_message(transport_data, status, dev_method_info->request_id, response, respSize) != 0)
AzureIoTClient 14:4dc2b011be33 2433 {
AzureIoTClient 14:4dc2b011be33 2434 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_051: [ If any error is encountered, IoTHubTransport_MQTT_Common_DeviceMethod_Response shall return a non-zero value. ] */
AzureIoTClient 14:4dc2b011be33 2435 LogError("Failure: publishing device method response");
AzureIoTClient 18:ec8e5e97c6a4 2436 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2437 }
AzureIoTClient 14:4dc2b011be33 2438 else
AzureIoTClient 14:4dc2b011be33 2439 {
AzureIoTClient 14:4dc2b011be33 2440 result = 0;
AzureIoTClient 14:4dc2b011be33 2441 }
AzureIoTClient 14:4dc2b011be33 2442 STRING_delete(dev_method_info->request_id);
AzureIoTClient 14:4dc2b011be33 2443 free(dev_method_info);
AzureIoTClient 14:4dc2b011be33 2444 }
AzureIoTClient 14:4dc2b011be33 2445 }
AzureIoTClient 14:4dc2b011be33 2446 else
AzureIoTClient 14:4dc2b011be33 2447 {
AzureIoTClient 14:4dc2b011be33 2448 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_041: [ If the parameter handle is NULL than IoTHubTransport_MQTT_Common_DeviceMethod_Response shall return a non-zero value. ] */
AzureIoTClient 18:ec8e5e97c6a4 2449 result = __FAILURE__;
AzureIoTClient 14:4dc2b011be33 2450 LogError("Failure: invalid IOTHUB_DEVICE_HANDLE parameter specified");
AzureIoTClient 14:4dc2b011be33 2451 }
AzureIoTClient 14:4dc2b011be33 2452 return result;
AzureIoTClient 14:4dc2b011be33 2453 }
AzureIoTClient 14:4dc2b011be33 2454
AzureIoTClient 11:31ebaeb51e1e 2455 int IoTHubTransport_MQTT_Common_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2456 {
AzureIoTClient 11:31ebaeb51e1e 2457 int result;
AzureIoTClient 11:31ebaeb51e1e 2458 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2459 if (transport_data == NULL)
AzureIoTClient 11:31ebaeb51e1e 2460 {
AzureIoTClient 12:658ca6865de2 2461 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_015: [If parameter handle is NULL than IoTHubTransport_MQTT_Common_Subscribe shall return a non-zero value.] */
AzureIoTClient 11:31ebaeb51e1e 2462 LogError("Invalid handle parameter. NULL.");
AzureIoTClient 18:ec8e5e97c6a4 2463 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2464 }
AzureIoTClient 11:31ebaeb51e1e 2465 else
AzureIoTClient 11:31ebaeb51e1e 2466 {
AzureIoTClient 12:658ca6865de2 2467 /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_016: [IoTHubTransport_MQTT_Common_Subscribe shall set a flag to enable mqtt_client_subscribe to be called to subscribe to the Message Topic.] */
AzureIoTClient 11:31ebaeb51e1e 2468 transport_data->topic_MqttMessage = STRING_construct_sprintf(TOPIC_DEVICE_MSG, STRING_c_str(transport_data->device_id) );
AzureIoTClient 11:31ebaeb51e1e 2469 if (transport_data->topic_MqttMessage == NULL)
AzureIoTClient 11:31ebaeb51e1e 2470 {
AzureIoTClient 11:31ebaeb51e1e 2471 LogError("Failure constructing Message Topic");
AzureIoTClient 18:ec8e5e97c6a4 2472 result = __FAILURE__;
AzureIoTClient 11:31ebaeb51e1e 2473 }
AzureIoTClient 11:31ebaeb51e1e 2474 else
AzureIoTClient 11:31ebaeb51e1e 2475 {
AzureIoTClient 11:31ebaeb51e1e 2476 transport_data->topics_ToSubscribe |= SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 12:658ca6865de2 2477 /* Code_SRS_IOTHUB_MQTT_TRANSPORT_07_035: [If current packet state is not CONNACT, DISCONNECT_TYPE, or PACKET_TYPE_ERROR then IoTHubTransport_MQTT_Common_Subscribe shall set the packet state to SUBSCRIBE_TYPE.]*/
AzureIoTClient 11:31ebaeb51e1e 2478 if (transport_data->currPacketState != CONNACK_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2479 transport_data->currPacketState != CONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2480 transport_data->currPacketState != DISCONNECT_TYPE &&
AzureIoTClient 11:31ebaeb51e1e 2481 transport_data->currPacketState != PACKET_TYPE_ERROR)
AzureIoTClient 11:31ebaeb51e1e 2482 {
AzureIoTClient 11:31ebaeb51e1e 2483 transport_data->currPacketState = SUBSCRIBE_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2484 }
AzureIoTClient 11:31ebaeb51e1e 2485 result = 0;
AzureIoTClient 11:31ebaeb51e1e 2486 }
AzureIoTClient 11:31ebaeb51e1e 2487 }
AzureIoTClient 11:31ebaeb51e1e 2488 return result;
AzureIoTClient 11:31ebaeb51e1e 2489 }
AzureIoTClient 11:31ebaeb51e1e 2490
AzureIoTClient 11:31ebaeb51e1e 2491 void IoTHubTransport_MQTT_Common_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 2492 {
AzureIoTClient 11:31ebaeb51e1e 2493 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2494 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_019: [If parameter handle is NULL then IoTHubTransport_MQTT_Common_Unsubscribe shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2495 if (transport_data != NULL)
AzureIoTClient 11:31ebaeb51e1e 2496 {
AzureIoTClient 12:658ca6865de2 2497 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_020: [IoTHubTransport_MQTT_Common_Unsubscribe shall call mqtt_client_unsubscribe to unsubscribe the mqtt message topic.] */
AzureIoTClient 11:31ebaeb51e1e 2498 const char* unsubscribe[1];
AzureIoTClient 11:31ebaeb51e1e 2499 unsubscribe[0] = STRING_c_str(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2500 if (mqtt_client_unsubscribe(transport_data->mqttClient, get_next_packet_id(transport_data), unsubscribe, 1) != 0)
AzureIoTClient 11:31ebaeb51e1e 2501 {
AzureIoTClient 11:31ebaeb51e1e 2502 LogError("Failure calling mqtt_client_unsubscribe");
AzureIoTClient 11:31ebaeb51e1e 2503 }
AzureIoTClient 11:31ebaeb51e1e 2504 STRING_delete(transport_data->topic_MqttMessage);
AzureIoTClient 11:31ebaeb51e1e 2505 transport_data->topic_MqttMessage = NULL;
AzureIoTClient 11:31ebaeb51e1e 2506 transport_data->topics_ToSubscribe &= ~SUBSCRIBE_TELEMETRY_TOPIC;
AzureIoTClient 11:31ebaeb51e1e 2507 }
AzureIoTClient 11:31ebaeb51e1e 2508 else
AzureIoTClient 11:31ebaeb51e1e 2509 {
AzureIoTClient 11:31ebaeb51e1e 2510 LogError("Invalid argument to unsubscribe (NULL).");
AzureIoTClient 11:31ebaeb51e1e 2511 }
AzureIoTClient 11:31ebaeb51e1e 2512 }
AzureIoTClient 11:31ebaeb51e1e 2513
AzureIoTClient 12:658ca6865de2 2514 IOTHUB_PROCESS_ITEM_RESULT IoTHubTransport_MQTT_Common_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
AzureIoTClient 12:658ca6865de2 2515 {
AzureIoTClient 12:658ca6865de2 2516 IOTHUB_PROCESS_ITEM_RESULT result;
AzureIoTClient 12:658ca6865de2 2517 /* Codes_SRS_IOTHUBCLIENT_LL_07_001: [ If handle or iothub_item are NULL then IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2518 if (handle == NULL || iothub_item == NULL)
AzureIoTClient 12:658ca6865de2 2519 {
AzureIoTClient 12:658ca6865de2 2520 LogError("Invalid handle parameter iothub_item=%p", iothub_item);
AzureIoTClient 12:658ca6865de2 2521 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2522 }
AzureIoTClient 12:658ca6865de2 2523 else
AzureIoTClient 12:658ca6865de2 2524 {
AzureIoTClient 12:658ca6865de2 2525 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 12:658ca6865de2 2526
AzureIoTClient 12:658ca6865de2 2527 if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 12:658ca6865de2 2528 {
AzureIoTClient 12:658ca6865de2 2529 if (item_type == IOTHUB_TYPE_DEVICE_TWIN)
AzureIoTClient 12:658ca6865de2 2530 {
AzureIoTClient 12:658ca6865de2 2531 MQTT_DEVICE_TWIN_ITEM* mqtt_info = (MQTT_DEVICE_TWIN_ITEM*)malloc(sizeof(MQTT_DEVICE_TWIN_ITEM));
AzureIoTClient 12:658ca6865de2 2532 if (mqtt_info == NULL)
AzureIoTClient 12:658ca6865de2 2533 {
AzureIoTClient 12:658ca6865de2 2534 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2535 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2536 }
AzureIoTClient 12:658ca6865de2 2537 else
AzureIoTClient 12:658ca6865de2 2538 {
AzureIoTClient 12:658ca6865de2 2539 /*Codes_SRS_IOTHUBCLIENT_LL_07_003: [ IoTHubTransport_MQTT_Common_ProcessItem shall publish a message to the mqtt protocol with the message topic for the message type.]*/
AzureIoTClient 12:658ca6865de2 2540 mqtt_info->iothub_type = item_type;
AzureIoTClient 12:658ca6865de2 2541 mqtt_info->iothub_msg_id = iothub_item->device_twin->item_id;
AzureIoTClient 12:658ca6865de2 2542 mqtt_info->retryCount = 0;
AzureIoTClient 12:658ca6865de2 2543
AzureIoTClient 12:658ca6865de2 2544 /* Codes_SRS_IOTHUBCLIENT_LL_07_005: [ If successful IoTHubTransport_MQTT_Common_ProcessItem shall add mqtt info structure acknowledgement queue. ] */
AzureIoTClient 12:658ca6865de2 2545 DList_InsertTailList(&transport_data->ack_waiting_queue, &mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2546
AzureIoTClient 12:658ca6865de2 2547 if (publish_device_twin_message(transport_data, iothub_item->device_twin, mqtt_info) != 0)
AzureIoTClient 12:658ca6865de2 2548 {
AzureIoTClient 12:658ca6865de2 2549 DList_RemoveEntryList(&mqtt_info->entry);
AzureIoTClient 12:658ca6865de2 2550
AzureIoTClient 12:658ca6865de2 2551 free(mqtt_info);
AzureIoTClient 12:658ca6865de2 2552 /* Codes_SRS_IOTHUBCLIENT_LL_07_004: [ If any errors are encountered IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_ERROR. ]*/
AzureIoTClient 12:658ca6865de2 2553 result = IOTHUB_PROCESS_ERROR;
AzureIoTClient 12:658ca6865de2 2554 }
AzureIoTClient 12:658ca6865de2 2555 else
AzureIoTClient 12:658ca6865de2 2556 {
AzureIoTClient 12:658ca6865de2 2557 result = IOTHUB_PROCESS_OK;
AzureIoTClient 12:658ca6865de2 2558 }
AzureIoTClient 12:658ca6865de2 2559 }
AzureIoTClient 12:658ca6865de2 2560 }
AzureIoTClient 12:658ca6865de2 2561 else
AzureIoTClient 12:658ca6865de2 2562 {
AzureIoTClient 12:658ca6865de2 2563 /* Codes_SRS_IOTHUBCLIENT_LL_07_006: [ If the item_type is not a supported type IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_CONTINUE. ]*/
AzureIoTClient 12:658ca6865de2 2564 result = IOTHUB_PROCESS_CONTINUE;
AzureIoTClient 12:658ca6865de2 2565 }
AzureIoTClient 12:658ca6865de2 2566 }
AzureIoTClient 12:658ca6865de2 2567 else
AzureIoTClient 12:658ca6865de2 2568 {
AzureIoTClient 12:658ca6865de2 2569 /* Codes_SRS_IOTHUBCLIENT_LL_07_002: [ If the mqtt is not ready to publish messages IoTHubTransport_MQTT_Common_ProcessItem shall return IOTHUB_PROCESS_NOT_CONNECTED. ] */
AzureIoTClient 12:658ca6865de2 2570 result = IOTHUB_PROCESS_NOT_CONNECTED;
AzureIoTClient 12:658ca6865de2 2571 }
AzureIoTClient 12:658ca6865de2 2572 }
AzureIoTClient 12:658ca6865de2 2573 return result;
AzureIoTClient 12:658ca6865de2 2574 }
AzureIoTClient 12:658ca6865de2 2575
AzureIoTClient 12:658ca6865de2 2576 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_054: [ IoTHubTransport_MQTT_Common_DoWork shall subscribe to the Notification and get_state Topics if they are defined. ] */
AzureIoTClient 11:31ebaeb51e1e 2577 void IoTHubTransport_MQTT_Common_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 11:31ebaeb51e1e 2578 {
AzureIoTClient 12:658ca6865de2 2579 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_026: [IoTHubTransport_MQTT_Common_DoWork shall do nothing if parameter handle and/or iotHubClientHandle is NULL.] */
AzureIoTClient 11:31ebaeb51e1e 2580 PMQTTTRANSPORT_HANDLE_DATA transport_data = (PMQTTTRANSPORT_HANDLE_DATA)handle;
AzureIoTClient 11:31ebaeb51e1e 2581 if (transport_data != NULL && iotHubClientHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 2582 {
AzureIoTClient 11:31ebaeb51e1e 2583 transport_data->llClientHandle = iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2584
AzureIoTClient 11:31ebaeb51e1e 2585 if (InitializeConnection(transport_data) != 0)
AzureIoTClient 11:31ebaeb51e1e 2586 {
AzureIoTClient 11:31ebaeb51e1e 2587 // Don't want to flood the logs with failures here
AzureIoTClient 11:31ebaeb51e1e 2588 }
AzureIoTClient 11:31ebaeb51e1e 2589 else
AzureIoTClient 11:31ebaeb51e1e 2590 {
AzureIoTClient 33:b7dfb208ef0a 2591 if (transport_data->mqttClientStatus == MQTT_CLIENT_STATUS_PENDING_CLOSE)
AzureIoTClient 33:b7dfb208ef0a 2592 {
AzureIoTClient 33:b7dfb208ef0a 2593 mqtt_client_disconnect(transport_data->mqttClient, NULL, NULL);
AzureIoTClient 33:b7dfb208ef0a 2594 transport_data->mqttClientStatus = MQTT_CLIENT_STATUS_NOT_CONNECTED;
AzureIoTClient 33:b7dfb208ef0a 2595 }
AzureIoTClient 33:b7dfb208ef0a 2596 else if (transport_data->currPacketState == CONNACK_TYPE || transport_data->currPacketState == SUBSCRIBE_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2597 {
AzureIoTClient 11:31ebaeb51e1e 2598 SubscribeToMqttProtocol(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2599 }
AzureIoTClient 11:31ebaeb51e1e 2600 else if (transport_data->currPacketState == SUBACK_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2601 {
AzureIoTClient 12:658ca6865de2 2602 if ((transport_data->topic_NotifyState != NULL || transport_data->topic_GetState != NULL) &&
AzureIoTClient 12:658ca6865de2 2603 !transport_data->device_twin_get_sent)
AzureIoTClient 12:658ca6865de2 2604 {
AzureIoTClient 12:658ca6865de2 2605 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_055: [ IoTHubTransport_MQTT_Common_DoWork shall send a device twin get property message upon successfully retrieving a SUBACK on device twin topics. ] */
AzureIoTClient 12:658ca6865de2 2606 if (publish_device_twin_get_message(transport_data) == 0)
AzureIoTClient 12:658ca6865de2 2607 {
AzureIoTClient 12:658ca6865de2 2608 transport_data->device_twin_get_sent = true;
AzureIoTClient 12:658ca6865de2 2609 }
AzureIoTClient 12:658ca6865de2 2610 else
AzureIoTClient 12:658ca6865de2 2611 {
AzureIoTClient 12:658ca6865de2 2612 LogError("Failure: sending device twin get property command.");
AzureIoTClient 12:658ca6865de2 2613 }
AzureIoTClient 12:658ca6865de2 2614 }
AzureIoTClient 11:31ebaeb51e1e 2615 // Publish can be called now
AzureIoTClient 11:31ebaeb51e1e 2616 transport_data->currPacketState = PUBLISH_TYPE;
AzureIoTClient 11:31ebaeb51e1e 2617 }
AzureIoTClient 11:31ebaeb51e1e 2618 else if (transport_data->currPacketState == PUBLISH_TYPE)
AzureIoTClient 11:31ebaeb51e1e 2619 {
AzureIoTClient 11:31ebaeb51e1e 2620 PDLIST_ENTRY currentListEntry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 11:31ebaeb51e1e 2621 while (currentListEntry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 11:31ebaeb51e1e 2622 {
AzureIoTClient 24:4096249decf1 2623 tickcounter_ms_t current_ms;
AzureIoTClient 11:31ebaeb51e1e 2624 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = containingRecord(currentListEntry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2625 DLIST_ENTRY nextListEntry;
AzureIoTClient 11:31ebaeb51e1e 2626 nextListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2627
Azure.IoT.Build 13:606465879c57 2628 (void)tickcounter_get_current_ms(transport_data->msgTickCounter, &current_ms);
AzureIoTClient 12:658ca6865de2 2629 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_033: [IoTHubTransport_MQTT_Common_DoWork shall iterate through the Waiting Acknowledge messages looking for any message that has been waiting longer than 2 min.]*/
AzureIoTClient 11:31ebaeb51e1e 2630 if (((current_ms - mqttMsgEntry->msgPublishTime) / 1000) > RESEND_TIMEOUT_VALUE_MIN)
AzureIoTClient 11:31ebaeb51e1e 2631 {
AzureIoTClient 24:4096249decf1 2632 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_034: [If IoTHubTransport_MQTT_Common_DoWork has resent the message two times then it shall fail the message and reconnect to IoTHub ... ] */
AzureIoTClient 11:31ebaeb51e1e 2633 if (mqttMsgEntry->retryCount >= MAX_SEND_RECOUNT_LIMIT)
AzureIoTClient 11:31ebaeb51e1e 2634 {
AzureIoTClient 24:4096249decf1 2635 PDLIST_ENTRY current_entry;
AzureIoTClient 11:31ebaeb51e1e 2636 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2637 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_MESSAGE_TIMEOUT);
AzureIoTClient 11:31ebaeb51e1e 2638 free(mqttMsgEntry);
AzureIoTClient 24:4096249decf1 2639
AzureIoTClient 24:4096249decf1 2640 transport_data->currPacketState = PACKET_TYPE_ERROR;
AzureIoTClient 24:4096249decf1 2641 transport_data->device_twin_get_sent = false;
AzureIoTClient 24:4096249decf1 2642 DisconnectFromClient(transport_data);
AzureIoTClient 24:4096249decf1 2643
AzureIoTClient 24:4096249decf1 2644 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_057: [ ... then go through all the rest of the waiting messages and reset the retryCount on the message. ]*/
AzureIoTClient 24:4096249decf1 2645 current_entry = transport_data->telemetry_waitingForAck.Flink;
AzureIoTClient 24:4096249decf1 2646 while (current_entry != &transport_data->telemetry_waitingForAck)
AzureIoTClient 24:4096249decf1 2647 {
AzureIoTClient 24:4096249decf1 2648 MQTT_MESSAGE_DETAILS_LIST* msg_reset_entry;
AzureIoTClient 24:4096249decf1 2649 msg_reset_entry = containingRecord(current_entry, MQTT_MESSAGE_DETAILS_LIST, entry);
AzureIoTClient 24:4096249decf1 2650 msg_reset_entry->retryCount = 0;
AzureIoTClient 24:4096249decf1 2651 current_entry = current_entry->Flink;
AzureIoTClient 24:4096249decf1 2652 }
AzureIoTClient 11:31ebaeb51e1e 2653 }
AzureIoTClient 11:31ebaeb51e1e 2654 else
AzureIoTClient 11:31ebaeb51e1e 2655 {
AzureIoTClient 11:31ebaeb51e1e 2656 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2657 const unsigned char* messagePayload = RetrieveMessagePayload(mqttMsgEntry->iotHubMessageEntry->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2658 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2659 {
AzureIoTClient 11:31ebaeb51e1e 2660 LogError("Failure from creating Message IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2661 }
AzureIoTClient 11:31ebaeb51e1e 2662 else
AzureIoTClient 11:31ebaeb51e1e 2663 {
AzureIoTClient 11:31ebaeb51e1e 2664 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2665 {
AzureIoTClient 11:31ebaeb51e1e 2666 (void)DList_RemoveEntryList(currentListEntry);
AzureIoTClient 11:31ebaeb51e1e 2667 sendMsgComplete(mqttMsgEntry->iotHubMessageEntry, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2668 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2669 }
AzureIoTClient 11:31ebaeb51e1e 2670 }
AzureIoTClient 11:31ebaeb51e1e 2671 }
AzureIoTClient 11:31ebaeb51e1e 2672 }
AzureIoTClient 11:31ebaeb51e1e 2673 currentListEntry = nextListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2674 }
AzureIoTClient 11:31ebaeb51e1e 2675
AzureIoTClient 11:31ebaeb51e1e 2676 currentListEntry = transport_data->waitingToSend->Flink;
AzureIoTClient 12:658ca6865de2 2677 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2678 while (currentListEntry != transport_data->waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2679 {
AzureIoTClient 11:31ebaeb51e1e 2680 IOTHUB_MESSAGE_LIST* iothubMsgList = containingRecord(currentListEntry, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 11:31ebaeb51e1e 2681 DLIST_ENTRY savedFromCurrentListEntry;
AzureIoTClient 11:31ebaeb51e1e 2682 savedFromCurrentListEntry.Flink = currentListEntry->Flink;
AzureIoTClient 11:31ebaeb51e1e 2683
AzureIoTClient 12:658ca6865de2 2684 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_027: [IoTHubTransport_MQTT_Common_DoWork shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 11:31ebaeb51e1e 2685 size_t messageLength;
AzureIoTClient 11:31ebaeb51e1e 2686 const unsigned char* messagePayload = RetrieveMessagePayload(iothubMsgList->messageHandle, &messageLength);
AzureIoTClient 11:31ebaeb51e1e 2687 if (messageLength == 0 || messagePayload == NULL)
AzureIoTClient 11:31ebaeb51e1e 2688 {
AzureIoTClient 11:31ebaeb51e1e 2689 LogError("Failure result from IoTHubMessage_GetData");
AzureIoTClient 11:31ebaeb51e1e 2690 }
AzureIoTClient 11:31ebaeb51e1e 2691 else
AzureIoTClient 11:31ebaeb51e1e 2692 {
AzureIoTClient 12:658ca6865de2 2693 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_029: [IoTHubTransport_MQTT_Common_DoWork shall create a MQTT_MESSAGE_HANDLE and pass this to a call to mqtt_client_publish.] */
AzureIoTClient 11:31ebaeb51e1e 2694 MQTT_MESSAGE_DETAILS_LIST* mqttMsgEntry = (MQTT_MESSAGE_DETAILS_LIST*)malloc(sizeof(MQTT_MESSAGE_DETAILS_LIST));
AzureIoTClient 11:31ebaeb51e1e 2695 if (mqttMsgEntry == NULL)
AzureIoTClient 11:31ebaeb51e1e 2696 {
AzureIoTClient 11:31ebaeb51e1e 2697 LogError("Allocation Error: Failure allocating MQTT Message Detail List.");
AzureIoTClient 11:31ebaeb51e1e 2698 }
AzureIoTClient 11:31ebaeb51e1e 2699 else
AzureIoTClient 11:31ebaeb51e1e 2700 {
AzureIoTClient 11:31ebaeb51e1e 2701 mqttMsgEntry->retryCount = 0;
AzureIoTClient 11:31ebaeb51e1e 2702 mqttMsgEntry->iotHubMessageEntry = iothubMsgList;
AzureIoTClient 11:31ebaeb51e1e 2703 mqttMsgEntry->packet_id = get_next_packet_id(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2704 if (publish_mqtt_telemetry_msg(transport_data, mqttMsgEntry, messagePayload, messageLength) != 0)
AzureIoTClient 11:31ebaeb51e1e 2705 {
AzureIoTClient 11:31ebaeb51e1e 2706 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2707 sendMsgComplete(iothubMsgList, transport_data, IOTHUB_CLIENT_CONFIRMATION_ERROR);
AzureIoTClient 11:31ebaeb51e1e 2708 free(mqttMsgEntry);
AzureIoTClient 11:31ebaeb51e1e 2709 }
AzureIoTClient 11:31ebaeb51e1e 2710 else
AzureIoTClient 11:31ebaeb51e1e 2711 {
AzureIoTClient 11:31ebaeb51e1e 2712 (void)(DList_RemoveEntryList(currentListEntry));
AzureIoTClient 11:31ebaeb51e1e 2713 DList_InsertTailList(&(transport_data->telemetry_waitingForAck), &(mqttMsgEntry->entry));
AzureIoTClient 11:31ebaeb51e1e 2714 }
AzureIoTClient 11:31ebaeb51e1e 2715 }
AzureIoTClient 11:31ebaeb51e1e 2716 }
AzureIoTClient 11:31ebaeb51e1e 2717 currentListEntry = savedFromCurrentListEntry.Flink;
AzureIoTClient 11:31ebaeb51e1e 2718 }
AzureIoTClient 11:31ebaeb51e1e 2719 }
AzureIoTClient 20:594780be216d 2720 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_030: [IoTHubTransport_MQTT_Common_DoWork shall call mqtt_client_dowork everytime it is called if it is connected.] */
AzureIoTClient 11:31ebaeb51e1e 2721 mqtt_client_dowork(transport_data->mqttClient);
AzureIoTClient 11:31ebaeb51e1e 2722 }
AzureIoTClient 11:31ebaeb51e1e 2723 }
AzureIoTClient 11:31ebaeb51e1e 2724 }
AzureIoTClient 11:31ebaeb51e1e 2725
AzureIoTClient 11:31ebaeb51e1e 2726 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 11:31ebaeb51e1e 2727 {
AzureIoTClient 11:31ebaeb51e1e 2728 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2729
AzureIoTClient 11:31ebaeb51e1e 2730 if (handle == NULL || iotHubClientStatus == NULL)
AzureIoTClient 11:31ebaeb51e1e 2731 {
AzureIoTClient 12:658ca6865de2 2732 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_023: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter.] */
AzureIoTClient 11:31ebaeb51e1e 2733 LogError("invalid arument.");
AzureIoTClient 11:31ebaeb51e1e 2734 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2735 }
AzureIoTClient 11:31ebaeb51e1e 2736 else
AzureIoTClient 11:31ebaeb51e1e 2737 {
AzureIoTClient 11:31ebaeb51e1e 2738 MQTTTRANSPORT_HANDLE_DATA* handleData = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2739 if (!DList_IsListEmpty(handleData->waitingToSend) || !DList_IsListEmpty(&(handleData->telemetry_waitingForAck)))
AzureIoTClient 11:31ebaeb51e1e 2740 {
AzureIoTClient 12:658ca6865de2 2741 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_025: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently event items to be sent or being sent.] */
AzureIoTClient 11:31ebaeb51e1e 2742 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 11:31ebaeb51e1e 2743 }
AzureIoTClient 11:31ebaeb51e1e 2744 else
AzureIoTClient 11:31ebaeb51e1e 2745 {
AzureIoTClient 12:658ca6865de2 2746 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_024: [IoTHubTransport_MQTT_Common_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there are currently no event items to be sent or being sent.] */
AzureIoTClient 11:31ebaeb51e1e 2747 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 11:31ebaeb51e1e 2748 }
AzureIoTClient 11:31ebaeb51e1e 2749 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2750 }
AzureIoTClient 11:31ebaeb51e1e 2751 return result;
AzureIoTClient 11:31ebaeb51e1e 2752 }
AzureIoTClient 11:31ebaeb51e1e 2753
AzureIoTClient 11:31ebaeb51e1e 2754 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient 11:31ebaeb51e1e 2755 {
AzureIoTClient 12:658ca6865de2 2756 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_021: [If any parameter is NULL then IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 11:31ebaeb51e1e 2757 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 11:31ebaeb51e1e 2758 if (
AzureIoTClient 11:31ebaeb51e1e 2759 (handle == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2760 (option == NULL) ||
AzureIoTClient 11:31ebaeb51e1e 2761 (value == NULL)
AzureIoTClient 11:31ebaeb51e1e 2762 )
AzureIoTClient 11:31ebaeb51e1e 2763 {
AzureIoTClient 11:31ebaeb51e1e 2764 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2765 LogError("invalid parameter (NULL) passed to IoTHubTransport_MQTT_Common_SetOption.");
AzureIoTClient 11:31ebaeb51e1e 2766 }
AzureIoTClient 11:31ebaeb51e1e 2767 else
AzureIoTClient 11:31ebaeb51e1e 2768 {
AzureIoTClient 11:31ebaeb51e1e 2769 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 21:167f8fcf6fb1 2770
AzureIoTClient 21:167f8fcf6fb1 2771 IOTHUB_CREDENTIAL_TYPE cred_type = IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module);
AzureIoTClient 21:167f8fcf6fb1 2772
AzureIoTClient 11:31ebaeb51e1e 2773 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_031: [If the option parameter is set to "logtrace" then the value shall be a bool_ptr and the value will determine if the mqtt client log is on or off.] */
AzureIoTClient 11:31ebaeb51e1e 2774 if (strcmp(OPTION_LOG_TRACE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2775 {
AzureIoTClient 11:31ebaeb51e1e 2776 transport_data->log_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2777 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2778 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2779 }
AzureIoTClient 11:31ebaeb51e1e 2780 else if (strcmp("rawlogtrace", option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2781 {
AzureIoTClient 11:31ebaeb51e1e 2782 transport_data->raw_trace = *((bool*)value);
AzureIoTClient 11:31ebaeb51e1e 2783 mqtt_client_set_trace(transport_data->mqttClient, transport_data->log_trace, transport_data->raw_trace);
AzureIoTClient 11:31ebaeb51e1e 2784 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2785 }
AzureIoTClient 37:e6a799428f3d 2786 else if (strcmp(OPTION_AUTO_URL_ENCODE_DECODE, option) == 0)
AzureIoTClient 37:e6a799428f3d 2787 {
AzureIoTClient 37:e6a799428f3d 2788 transport_data->auto_url_encode_decode = *((bool*)value);
AzureIoTClient 37:e6a799428f3d 2789 result = IOTHUB_CLIENT_OK;
AzureIoTClient 37:e6a799428f3d 2790 }
AzureIoTClient 29:923be0c3998a 2791 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_07_052: [ If the option parameter is set to "sas_token_lifetime" then the value shall be a size_t_ptr and the value will determine the mqtt sas token lifetime.] */
AzureIoTClient 29:923be0c3998a 2792 else if (strcmp(OPTION_SAS_TOKEN_LIFETIME, option) == 0)
AzureIoTClient 29:923be0c3998a 2793 {
AzureIoTClient 29:923be0c3998a 2794 size_t* sas_lifetime = (size_t*)value;
AzureIoTClient 29:923be0c3998a 2795 transport_data->option_sas_token_lifetime_secs = *sas_lifetime;
AzureIoTClient 29:923be0c3998a 2796 result = IOTHUB_CLIENT_OK;
AzureIoTClient 29:923be0c3998a 2797 }
AzureIoTClient 32:103a46ed8822 2798 else if (strcmp(OPTION_CONNECTION_TIMEOUT, option) == 0)
AzureIoTClient 32:103a46ed8822 2799 {
AzureIoTClient 32:103a46ed8822 2800 int* connection_time = (int*)value;
AzureIoTClient 32:103a46ed8822 2801 if (*connection_time != transport_data->connect_timeout_in_sec)
AzureIoTClient 32:103a46ed8822 2802 {
AzureIoTClient 32:103a46ed8822 2803 transport_data->connect_timeout_in_sec = (uint16_t)(*connection_time);
AzureIoTClient 32:103a46ed8822 2804 }
AzureIoTClient 32:103a46ed8822 2805 result = IOTHUB_CLIENT_OK;
AzureIoTClient 32:103a46ed8822 2806 }
AzureIoTClient 11:31ebaeb51e1e 2807 else if (strcmp(OPTION_KEEP_ALIVE, option) == 0)
AzureIoTClient 11:31ebaeb51e1e 2808 {
AzureIoTClient 11:31ebaeb51e1e 2809 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_036: [If the option parameter is set to "keepalive" then the value shall be a int_ptr and the value will determine the mqtt keepalive time that is set for pings.] */
AzureIoTClient 11:31ebaeb51e1e 2810 int* keepAliveOption = (int*)value;
AzureIoTClient 12:658ca6865de2 2811 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_037 : [If the option parameter is set to supplied int_ptr keepalive is the same value as the existing keepalive then IoTHubTransport_MQTT_Common_SetOption shall do nothing.] */
AzureIoTClient 11:31ebaeb51e1e 2812 if (*keepAliveOption != transport_data->keepAliveValue)
AzureIoTClient 11:31ebaeb51e1e 2813 {
AzureIoTClient 11:31ebaeb51e1e 2814 transport_data->keepAliveValue = (uint16_t)(*keepAliveOption);
AzureIoTClient 20:594780be216d 2815 if (transport_data->mqttClientStatus != MQTT_CLIENT_STATUS_NOT_CONNECTED)
AzureIoTClient 11:31ebaeb51e1e 2816 {
AzureIoTClient 20:594780be216d 2817 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_038: [If the client is connected when the keepalive is set then IoTHubTransport_MQTT_Common_SetOption shall disconnect and reconnect with the specified keepalive value.] */
AzureIoTClient 11:31ebaeb51e1e 2818 DisconnectFromClient(transport_data);
AzureIoTClient 11:31ebaeb51e1e 2819 }
AzureIoTClient 11:31ebaeb51e1e 2820 }
AzureIoTClient 11:31ebaeb51e1e 2821 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2822 }
AzureIoTClient 11:31ebaeb51e1e 2823 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_039: [If the option parameter is set to "x509certificate" then the value shall be a const char of the certificate to be used for x509.] */
AzureIoTClient 21:167f8fcf6fb1 2824 else if ((strcmp(OPTION_X509_CERT, option) == 0) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509 && cred_type != IOTHUB_CREDENTIAL_TYPE_UNKNOWN))
AzureIoTClient 11:31ebaeb51e1e 2825 {
AzureIoTClient 11:31ebaeb51e1e 2826 LogError("x509certificate specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2827 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2828 }
AzureIoTClient 11:31ebaeb51e1e 2829 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_040: [If the option parameter is set to "x509privatekey" then the value shall be a const char of the RSA Private Key to be used for x509.] */
AzureIoTClient 21:167f8fcf6fb1 2830 else if ((strcmp(OPTION_X509_PRIVATE_KEY, option) == 0) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509 && cred_type != IOTHUB_CREDENTIAL_TYPE_UNKNOWN))
AzureIoTClient 11:31ebaeb51e1e 2831 {
AzureIoTClient 11:31ebaeb51e1e 2832 LogError("x509privatekey specified, but authentication method is not x509");
AzureIoTClient 11:31ebaeb51e1e 2833 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2834 }
AzureIoTClient 20:594780be216d 2835 else if (strcmp(OPTION_HTTP_PROXY, option) == 0)
AzureIoTClient 20:594780be216d 2836 {
AzureIoTClient 20:594780be216d 2837 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_001: [ If `option` is `proxy_data`, `value` shall be used as an `HTTP_PROXY_OPTIONS*`. ]*/
AzureIoTClient 20:594780be216d 2838 HTTP_PROXY_OPTIONS* proxy_options = (HTTP_PROXY_OPTIONS*)value;
AzureIoTClient 20:594780be216d 2839
AzureIoTClient 20:594780be216d 2840 if (transport_data->xioTransport != NULL)
AzureIoTClient 20:594780be216d 2841 {
AzureIoTClient 20:594780be216d 2842 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_007: [ If the underlying IO has already been created, then `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2843 LogError("Cannot set proxy option once the underlying IO is created");
AzureIoTClient 20:594780be216d 2844 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2845 }
AzureIoTClient 20:594780be216d 2846 else if (proxy_options->host_address == NULL)
AzureIoTClient 20:594780be216d 2847 {
AzureIoTClient 20:594780be216d 2848 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_003: [ If `host_address` is NULL, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
AzureIoTClient 20:594780be216d 2849 LogError("NULL host_address in proxy options");
AzureIoTClient 20:594780be216d 2850 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2851 }
AzureIoTClient 20:594780be216d 2852 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_006: [ If only one of `username` and `password` is NULL, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_INVALID_ARG`. ]*/
AzureIoTClient 20:594780be216d 2853 else if (((proxy_options->username == NULL) || (proxy_options->password == NULL)) &&
AzureIoTClient 20:594780be216d 2854 (proxy_options->username != proxy_options->password))
AzureIoTClient 20:594780be216d 2855 {
AzureIoTClient 20:594780be216d 2856 LogError("Only one of username and password for proxy settings was NULL");
AzureIoTClient 20:594780be216d 2857 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 20:594780be216d 2858 }
AzureIoTClient 20:594780be216d 2859 else
AzureIoTClient 20:594780be216d 2860 {
AzureIoTClient 20:594780be216d 2861 char* copied_proxy_hostname = NULL;
AzureIoTClient 20:594780be216d 2862 char* copied_proxy_username = NULL;
AzureIoTClient 20:594780be216d 2863 char* copied_proxy_password = NULL;
AzureIoTClient 20:594780be216d 2864
AzureIoTClient 20:594780be216d 2865 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_002: [ The fields `host_address`, `port`, `username` and `password` shall be saved for later used (needed when creating the underlying IO to be used by the transport). ]*/
AzureIoTClient 20:594780be216d 2866 transport_data->http_proxy_port = proxy_options->port;
AzureIoTClient 20:594780be216d 2867 if (mallocAndStrcpy_s(&copied_proxy_hostname, proxy_options->host_address) != 0)
AzureIoTClient 20:594780be216d 2868 {
AzureIoTClient 20:594780be216d 2869 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2870 LogError("Cannot copy HTTP proxy hostname");
AzureIoTClient 20:594780be216d 2871 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2872 }
AzureIoTClient 20:594780be216d 2873 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2874 else if ((proxy_options->username != NULL) && (mallocAndStrcpy_s(&copied_proxy_username, proxy_options->username) != 0))
AzureIoTClient 20:594780be216d 2875 {
AzureIoTClient 20:594780be216d 2876 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2877 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2878 LogError("Cannot copy HTTP proxy username");
AzureIoTClient 20:594780be216d 2879 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2880 }
AzureIoTClient 20:594780be216d 2881 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_005: [ `username` and `password` shall be allowed to be NULL. ]*/
AzureIoTClient 20:594780be216d 2882 else if ((proxy_options->password != NULL) && (mallocAndStrcpy_s(&copied_proxy_password, proxy_options->password) != 0))
AzureIoTClient 20:594780be216d 2883 {
AzureIoTClient 20:594780be216d 2884 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_004: [ If copying `host_address`, `username` or `password` fails, `IoTHubTransport_MQTT_Common_SetOption` shall fail and return `IOTHUB_CLIENT_ERROR`. ]*/
AzureIoTClient 20:594780be216d 2885 if (copied_proxy_username != NULL)
AzureIoTClient 20:594780be216d 2886 {
AzureIoTClient 20:594780be216d 2887 free(copied_proxy_username);
AzureIoTClient 20:594780be216d 2888 }
AzureIoTClient 20:594780be216d 2889 free(copied_proxy_hostname);
AzureIoTClient 20:594780be216d 2890 LogError("Cannot copy HTTP proxy password");
AzureIoTClient 20:594780be216d 2891 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 20:594780be216d 2892 }
AzureIoTClient 20:594780be216d 2893 else
AzureIoTClient 20:594780be216d 2894 {
AzureIoTClient 20:594780be216d 2895 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_009: [ When setting the proxy options succeeds any previously saved proxy options shall be freed. ]*/
AzureIoTClient 20:594780be216d 2896 free_proxy_data(transport_data);
AzureIoTClient 20:594780be216d 2897
AzureIoTClient 20:594780be216d 2898 transport_data->http_proxy_hostname = copied_proxy_hostname;
AzureIoTClient 20:594780be216d 2899 transport_data->http_proxy_username = copied_proxy_username;
AzureIoTClient 20:594780be216d 2900 transport_data->http_proxy_password = copied_proxy_password;
AzureIoTClient 20:594780be216d 2901
AzureIoTClient 20:594780be216d 2902 /* Codes_SRS_IOTHUB_TRANSPORT_MQTT_COMMON_01_008: [ If setting the `proxy_data` option suceeds, `IoTHubTransport_MQTT_Common_SetOption` shall return `IOTHUB_CLIENT_OK` ]*/
AzureIoTClient 20:594780be216d 2903 result = IOTHUB_CLIENT_OK;
AzureIoTClient 20:594780be216d 2904 }
AzureIoTClient 20:594780be216d 2905 }
AzureIoTClient 20:594780be216d 2906 }
AzureIoTClient 11:31ebaeb51e1e 2907 else
AzureIoTClient 11:31ebaeb51e1e 2908 {
AzureIoTClient 21:167f8fcf6fb1 2909 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_039: [If the option parameter is set to "x509certificate" then the value shall be a const char of the certificate to be used for x509.] */
AzureIoTClient 21:167f8fcf6fb1 2910 if ( ((strcmp(OPTION_X509_CERT, option) == 0) || (strcmp(OPTION_X509_PRIVATE_KEY, option) == 0)) && (cred_type != IOTHUB_CREDENTIAL_TYPE_X509) )
AzureIoTClient 21:167f8fcf6fb1 2911 {
AzureIoTClient 21:167f8fcf6fb1 2912 IoTHubClient_Auth_Set_x509_Type(transport_data->authorization_module, true);
AzureIoTClient 21:167f8fcf6fb1 2913 }
AzureIoTClient 21:167f8fcf6fb1 2914
AzureIoTClient 12:658ca6865de2 2915 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_032: [IoTHubTransport_MQTT_Common_SetOption shall pass down the option to xio_setoption if the option parameter is not a known option string for the MQTT transport.] */
AzureIoTClient 11:31ebaeb51e1e 2916 if (GetTransportProviderIfNecessary(transport_data) == 0)
AzureIoTClient 11:31ebaeb51e1e 2917 {
AzureIoTClient 11:31ebaeb51e1e 2918 if (xio_setoption(transport_data->xioTransport, option, value) == 0)
AzureIoTClient 11:31ebaeb51e1e 2919 {
AzureIoTClient 11:31ebaeb51e1e 2920 result = IOTHUB_CLIENT_OK;
AzureIoTClient 11:31ebaeb51e1e 2921 }
AzureIoTClient 11:31ebaeb51e1e 2922 else
AzureIoTClient 11:31ebaeb51e1e 2923 {
AzureIoTClient 12:658ca6865de2 2924 /* Codes_SRS_IOTHUB_MQTT_TRANSPORT_07_132: [IoTHubTransport_MQTT_Common_SetOption shall return IOTHUB_CLIENT_INVALID_ARG xio_setoption fails] */
AzureIoTClient 11:31ebaeb51e1e 2925 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 11:31ebaeb51e1e 2926 }
AzureIoTClient 11:31ebaeb51e1e 2927 }
AzureIoTClient 11:31ebaeb51e1e 2928 else
AzureIoTClient 11:31ebaeb51e1e 2929 {
AzureIoTClient 11:31ebaeb51e1e 2930 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 11:31ebaeb51e1e 2931 }
AzureIoTClient 11:31ebaeb51e1e 2932 }
AzureIoTClient 11:31ebaeb51e1e 2933 }
AzureIoTClient 11:31ebaeb51e1e 2934 return result;
AzureIoTClient 11:31ebaeb51e1e 2935 }
AzureIoTClient 11:31ebaeb51e1e 2936
AzureIoTClient 11:31ebaeb51e1e 2937 IOTHUB_DEVICE_HANDLE IoTHubTransport_MQTT_Common_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
AzureIoTClient 11:31ebaeb51e1e 2938 {
AzureIoTClient 11:31ebaeb51e1e 2939 IOTHUB_DEVICE_HANDLE result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2940 (void)iotHubClientHandle;
AzureIoTClient 11:31ebaeb51e1e 2941
AzureIoTClient 12:658ca6865de2 2942 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.]
AzureIoTClient 12:658ca6865de2 2943 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if device or waitingToSend are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2944 if ((handle == NULL) || (device == NULL) || (waitingToSend == NULL))
AzureIoTClient 11:31ebaeb51e1e 2945 {
AzureIoTClient 12:658ca6865de2 2946 LogError("IoTHubTransport_MQTT_Common_Register: handle, device or waitingToSend is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2947 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2948 }
AzureIoTClient 11:31ebaeb51e1e 2949 else
AzureIoTClient 11:31ebaeb51e1e 2950 {
AzureIoTClient 11:31ebaeb51e1e 2951 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 11:31ebaeb51e1e 2952
AzureIoTClient 12:658ca6865de2 2953 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_001: [ IoTHubTransport_MQTT_Common_Register shall return NULL if deviceId, or both deviceKey and deviceSasToken are NULL.]
AzureIoTClient 11:31ebaeb51e1e 2954 if (device->deviceId == NULL)
AzureIoTClient 11:31ebaeb51e1e 2955 {
AzureIoTClient 12:658ca6865de2 2956 LogError("IoTHubTransport_MQTT_Common_Register: deviceId is NULL.");
AzureIoTClient 11:31ebaeb51e1e 2957 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2958 }
AzureIoTClient 12:658ca6865de2 2959 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_03_002: [ IoTHubTransport_MQTT_Common_Register shall return NULL if both deviceKey and deviceSasToken are provided.]
AzureIoTClient 11:31ebaeb51e1e 2960 else if ((device->deviceKey != NULL) && (device->deviceSasToken != NULL))
AzureIoTClient 11:31ebaeb51e1e 2961 {
AzureIoTClient 12:658ca6865de2 2962 LogError("IoTHubTransport_MQTT_Common_Register: Both deviceKey and deviceSasToken are defined. Only one can be used.");
AzureIoTClient 11:31ebaeb51e1e 2963 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2964 }
AzureIoTClient 11:31ebaeb51e1e 2965 else
AzureIoTClient 11:31ebaeb51e1e 2966 {
AzureIoTClient 12:658ca6865de2 2967 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_003: [ IoTHubTransport_MQTT_Common_Register shall return NULL if deviceId or deviceKey do not match the deviceId and deviceKey passed in during IoTHubTransport_MQTT_Common_Create.]
AzureIoTClient 11:31ebaeb51e1e 2968 if (strcmp(STRING_c_str(transport_data->device_id), device->deviceId) != 0)
AzureIoTClient 11:31ebaeb51e1e 2969 {
AzureIoTClient 12:658ca6865de2 2970 LogError("IoTHubTransport_MQTT_Common_Register: deviceId does not match.");
AzureIoTClient 11:31ebaeb51e1e 2971 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2972 }
AzureIoTClient 21:167f8fcf6fb1 2973 else if (IoTHubClient_Auth_Get_Credential_Type(transport_data->authorization_module) == IOTHUB_CREDENTIAL_TYPE_DEVICE_KEY &&
AzureIoTClient 21:167f8fcf6fb1 2974 (strcmp(IoTHubClient_Auth_Get_DeviceKey(transport_data->authorization_module), device->deviceKey) != 0))
AzureIoTClient 11:31ebaeb51e1e 2975 {
AzureIoTClient 12:658ca6865de2 2976 LogError("IoTHubTransport_MQTT_Common_Register: deviceKey does not match.");
AzureIoTClient 11:31ebaeb51e1e 2977 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2978 }
AzureIoTClient 11:31ebaeb51e1e 2979 else
AzureIoTClient 11:31ebaeb51e1e 2980 {
AzureIoTClient 11:31ebaeb51e1e 2981 if (transport_data->isRegistered == true)
AzureIoTClient 11:31ebaeb51e1e 2982 {
AzureIoTClient 11:31ebaeb51e1e 2983 LogError("Transport already has device registered by id: [%s]", device->deviceId);
AzureIoTClient 11:31ebaeb51e1e 2984 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 2985 }
AzureIoTClient 11:31ebaeb51e1e 2986 else
AzureIoTClient 11:31ebaeb51e1e 2987 {
AzureIoTClient 11:31ebaeb51e1e 2988 transport_data->isRegistered = true;
AzureIoTClient 12:658ca6865de2 2989 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_004: [ IoTHubTransport_MQTT_Common_Register shall return the TRANSPORT_LL_HANDLE as the IOTHUB_DEVICE_HANDLE. ]
AzureIoTClient 11:31ebaeb51e1e 2990 result = (IOTHUB_DEVICE_HANDLE)handle;
AzureIoTClient 11:31ebaeb51e1e 2991 }
AzureIoTClient 11:31ebaeb51e1e 2992 }
AzureIoTClient 11:31ebaeb51e1e 2993 }
AzureIoTClient 11:31ebaeb51e1e 2994 }
AzureIoTClient 11:31ebaeb51e1e 2995
AzureIoTClient 11:31ebaeb51e1e 2996 return result;
AzureIoTClient 11:31ebaeb51e1e 2997 }
AzureIoTClient 11:31ebaeb51e1e 2998
AzureIoTClient 11:31ebaeb51e1e 2999 void IoTHubTransport_MQTT_Common_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
AzureIoTClient 11:31ebaeb51e1e 3000 {
AzureIoTClient 14:4dc2b011be33 3001 // Codes_SRS_IOTHUB_MQTT_TRANSPORT_17_005: [ If deviceHandle is NULL `IoTHubTransport_MQTT_Common_Unregister` shall do nothing. ]
AzureIoTClient 11:31ebaeb51e1e 3002 if (deviceHandle != NULL)
AzureIoTClient 11:31ebaeb51e1e 3003 {
AzureIoTClient 11:31ebaeb51e1e 3004 MQTTTRANSPORT_HANDLE_DATA* transport_data = (MQTTTRANSPORT_HANDLE_DATA*)deviceHandle;
AzureIoTClient 11:31ebaeb51e1e 3005
AzureIoTClient 11:31ebaeb51e1e 3006 transport_data->isRegistered = false;
AzureIoTClient 11:31ebaeb51e1e 3007 }
AzureIoTClient 11:31ebaeb51e1e 3008 }
AzureIoTClient 11:31ebaeb51e1e 3009
AzureIoTClient 11:31ebaeb51e1e 3010 STRING_HANDLE IoTHubTransport_MQTT_Common_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 11:31ebaeb51e1e 3011 {
AzureIoTClient 11:31ebaeb51e1e 3012 STRING_HANDLE result;
AzureIoTClient 12:658ca6865de2 3013 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_001: [ If handle is NULL then IoTHubTransport_MQTT_Common_GetHostname shall fail and return NULL. ]*/
AzureIoTClient 11:31ebaeb51e1e 3014 if (handle == NULL)
AzureIoTClient 11:31ebaeb51e1e 3015 {
AzureIoTClient 11:31ebaeb51e1e 3016 result = NULL;
AzureIoTClient 11:31ebaeb51e1e 3017 }
AzureIoTClient 22:07fec4d325b6 3018 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_02_002: [ Otherwise IoTHubTransport_MQTT_Common_GetHostname shall return a non-NULL STRING_HANDLE containg the hostname. ]*/
AzureIoTClient 22:07fec4d325b6 3019 else if ((result = STRING_clone(((MQTTTRANSPORT_HANDLE_DATA*)(handle))->hostAddress)) == NULL)
AzureIoTClient 11:31ebaeb51e1e 3020 {
AzureIoTClient 22:07fec4d325b6 3021 LogError("Cannot provide the target host name (STRING_clone failed).");
AzureIoTClient 11:31ebaeb51e1e 3022 }
AzureIoTClient 22:07fec4d325b6 3023
AzureIoTClient 11:31ebaeb51e1e 3024 return result;
AzureIoTClient 11:31ebaeb51e1e 3025 }
AzureIoTClient 19:f87dfe76bc70 3026
AzureIoTClient 19:f87dfe76bc70 3027 IOTHUB_CLIENT_RESULT IoTHubTransport_MQTT_Common_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
AzureIoTClient 19:f87dfe76bc70 3028 {
AzureIoTClient 19:f87dfe76bc70 3029 (void)disposition;
AzureIoTClient 19:f87dfe76bc70 3030
AzureIoTClient 19:f87dfe76bc70 3031 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 19:f87dfe76bc70 3032 if (message_data)
AzureIoTClient 19:f87dfe76bc70 3033 {
AzureIoTClient 19:f87dfe76bc70 3034 if (message_data->messageHandle)
AzureIoTClient 19:f87dfe76bc70 3035 {
AzureIoTClient 19:f87dfe76bc70 3036 IoTHubMessage_Destroy(message_data->messageHandle);
AzureIoTClient 19:f87dfe76bc70 3037 result = IOTHUB_CLIENT_OK;
AzureIoTClient 19:f87dfe76bc70 3038 }
AzureIoTClient 19:f87dfe76bc70 3039 else
AzureIoTClient 19:f87dfe76bc70 3040 {
AzureIoTClient 19:f87dfe76bc70 3041 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_002: [If any of the messageData fields are NULL, IoTHubTransport_MQTT_Common_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR. ]*/
AzureIoTClient 19:f87dfe76bc70 3042 LogError("message handle is NULL");
AzureIoTClient 19:f87dfe76bc70 3043 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 3044 }
AzureIoTClient 19:f87dfe76bc70 3045 free(message_data);
AzureIoTClient 19:f87dfe76bc70 3046 }
AzureIoTClient 19:f87dfe76bc70 3047 else
AzureIoTClient 19:f87dfe76bc70 3048 {
AzureIoTClient 19:f87dfe76bc70 3049 /*Codes_SRS_IOTHUB_MQTT_TRANSPORT_10_001: [If messageData is NULL, IoTHubTransport_MQTT_Common_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR. ]*/
AzureIoTClient 19:f87dfe76bc70 3050 LogError("message_data is NULL");
AzureIoTClient 19:f87dfe76bc70 3051 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 19:f87dfe76bc70 3052 }
AzureIoTClient 19:f87dfe76bc70 3053 return result;
AzureIoTClient 19:f87dfe76bc70 3054 }
AzureIoTClient 19:f87dfe76bc70 3055