Azure IoT / iothub_http_transport

Microsoft Azure IoTHub client HTTP transport

Dependents:   iothub_client_sample_http simplesample_http temp_sensor_anomaly

This library implements the HTTP transport for Microsoft Azure IoTHub client. The code is replicated from https://github.com/Azure/azure-iot-sdks

iothubtransporthttp.c@3:4e9296134ffb, 2015-09-22 (annotated)

Committer:
AzureIoTClient
Date:
Tue Sep 22 20:36:43 2015 -0700
Revision:
3:4e9296134ffb
Parent:
2:ff9104b866b8
Child:
4:ce756a949fbd
New release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 0:fa2b00dcd9d4 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 0:fa2b00dcd9d4 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 0:fa2b00dcd9d4 3
AzureIoTClient 0:fa2b00dcd9d4 4 #include <stdlib.h>
AzureIoTClient 0:fa2b00dcd9d4 5 #ifdef _CRTDBG_MAP_ALLOC
AzureIoTClient 0:fa2b00dcd9d4 6 #include <crtdbg.h>
AzureIoTClient 0:fa2b00dcd9d4 7 #endif
AzureIoTClient 0:fa2b00dcd9d4 8 #include "gballoc.h"
AzureIoTClient 0:fa2b00dcd9d4 9
AzureIoTClient 0:fa2b00dcd9d4 10 #include <time.h>
AzureIoTClient 0:fa2b00dcd9d4 11 #include "iothub_client_private.h"
AzureIoTClient 0:fa2b00dcd9d4 12 #include "iothubtransporthttp.h"
AzureIoTClient 0:fa2b00dcd9d4 13
AzureIoTClient 0:fa2b00dcd9d4 14 #include "httpapiexsas.h"
AzureIoTClient 0:fa2b00dcd9d4 15 #include "urlencode.h"
AzureIoTClient 0:fa2b00dcd9d4 16 #include "iot_logging.h"
AzureIoTClient 0:fa2b00dcd9d4 17 #include "httpapiex.h"
AzureIoTClient 0:fa2b00dcd9d4 18 #include "httpapiexsas.h"
AzureIoTClient 0:fa2b00dcd9d4 19 #include "strings.h"
AzureIoTClient 0:fa2b00dcd9d4 20 #include "base64.h"
AzureIoTClient 0:fa2b00dcd9d4 21 #include "doublylinkedlist.h"
AzureIoTClient 0:fa2b00dcd9d4 22 #include "httpheaders.h"
AzureIoTClient 0:fa2b00dcd9d4 23 #include "agenttime.h"
AzureIoTClient 0:fa2b00dcd9d4 24
AzureIoTClient 0:fa2b00dcd9d4 25 #define IOTHUB_APP_PREFIX "iothub-app-"
AzureIoTClient 0:fa2b00dcd9d4 26
AzureIoTClient 0:fa2b00dcd9d4 27 #define CONTENT_TYPE "Content-Type"
AzureIoTClient 0:fa2b00dcd9d4 28 #define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient 0:fa2b00dcd9d4 29 #define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient 0:fa2b00dcd9d4 30
AzureIoTClient 3:4e9296134ffb 31 /*DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)*/
AzureIoTClient 0:fa2b00dcd9d4 32 /*the default is 25 minutes*/
AzureIoTClient 0:fa2b00dcd9d4 33 #define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient 0:fa2b00dcd9d4 34
AzureIoTClient 2:ff9104b866b8 35 #define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient 3:4e9296134ffb 36 #define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient 3:4e9296134ffb 37 #define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient 2:ff9104b866b8 38
AzureIoTClient 0:fa2b00dcd9d4 39 /*forward declaration*/
AzureIoTClient 0:fa2b00dcd9d4 40 static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient 0:fa2b00dcd9d4 41
AzureIoTClient 0:fa2b00dcd9d4 42 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_069: [This function shall return a pointer to a structure of type TRANSPORT_PROVIDER having the following values for its fields:] */
AzureIoTClient 0:fa2b00dcd9d4 43 static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient 0:fa2b00dcd9d4 44 {
AzureIoTClient 0:fa2b00dcd9d4 45 IoTHubTransportHttp_SetOption, /*pfIoTHubTransport_SetOption IoTHubTransport_SetOption; */
AzureIoTClient 0:fa2b00dcd9d4 46 IoTHubTransportHttp_Create, /*pfIoTHubTransport_Create IoTHubTransport_Create; */
AzureIoTClient 0:fa2b00dcd9d4 47 IoTHubTransportHttp_Destroy, /*pfIoTHubTransport_Destroy IoTHubTransport_Destroy; */
AzureIoTClient 0:fa2b00dcd9d4 48 IoTHubTransportHttp_Subscribe, /*pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe; */
AzureIoTClient 0:fa2b00dcd9d4 49 IoTHubTransportHttp_Unsubscribe, /*pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe; */
AzureIoTClient 0:fa2b00dcd9d4 50 IoTHubTransportHttp_DoWork, /*pfIoTHubTransport_DoWork IoTHubTransport_DoWork; */
AzureIoTClient 1:2ba812f3d9b7 51 IoTHubTransportHttp_GetSendStatus /* pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus */
AzureIoTClient 0:fa2b00dcd9d4 52 };
AzureIoTClient 0:fa2b00dcd9d4 53
AzureIoTClient 3:4e9296134ffb 54 const void* HTTP_Protocol(void)
AzureIoTClient 0:fa2b00dcd9d4 55 {
AzureIoTClient 0:fa2b00dcd9d4 56 return &thisTransportProvider;
AzureIoTClient 0:fa2b00dcd9d4 57 }
AzureIoTClient 0:fa2b00dcd9d4 58
AzureIoTClient 0:fa2b00dcd9d4 59 typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient 0:fa2b00dcd9d4 60 {
AzureIoTClient 0:fa2b00dcd9d4 61 STRING_HANDLE eventHTTPrelativePath;
AzureIoTClient 3:4e9296134ffb 62 STRING_HANDLE messageHTTPrelativePath;
AzureIoTClient 0:fa2b00dcd9d4 63 HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
AzureIoTClient 0:fa2b00dcd9d4 64 STRING_HANDLE hostName;
AzureIoTClient 0:fa2b00dcd9d4 65 HTTPAPIEX_HANDLE httpApiExHandle;
AzureIoTClient 3:4e9296134ffb 66 HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
AzureIoTClient 0:fa2b00dcd9d4 67 STRING_HANDLE abandonHTTPrelativePathBegin;
AzureIoTClient 0:fa2b00dcd9d4 68 HTTPAPIEX_SAS_HANDLE sasObject;
AzureIoTClient 3:4e9296134ffb 69 bool DoWork_PullMessage;
AzureIoTClient 0:fa2b00dcd9d4 70 bool doBatchedTransfers;
AzureIoTClient 0:fa2b00dcd9d4 71 bool isFirstPoll;
AzureIoTClient 0:fa2b00dcd9d4 72 unsigned int getMinimumPollingTime;
AzureIoTClient 0:fa2b00dcd9d4 73 time_t lastPollTime;
AzureIoTClient 0:fa2b00dcd9d4 74 PDLIST_ENTRY waitingToSend;
AzureIoTClient 0:fa2b00dcd9d4 75 DLIST_ENTRY eventConfirmations; /*holds items for event confirmations*/
AzureIoTClient 0:fa2b00dcd9d4 76 }HTTPTRANSPORT_HANDLE_DATA;
AzureIoTClient 0:fa2b00dcd9d4 77
AzureIoTClient 0:fa2b00dcd9d4 78
AzureIoTClient 0:fa2b00dcd9d4 79 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_003: [Otherwise IoTHubTransportHttp_Create shall create an immutable string (further called "event HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events?api-version=2015-08-15-preview".]*/
AzureIoTClient 0:fa2b00dcd9d4 80 static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 81 {
AzureIoTClient 0:fa2b00dcd9d4 82 STRING_delete(handleData->eventHTTPrelativePath);
AzureIoTClient 0:fa2b00dcd9d4 83 handleData->eventHTTPrelativePath = NULL;
AzureIoTClient 0:fa2b00dcd9d4 84 }
AzureIoTClient 0:fa2b00dcd9d4 85
AzureIoTClient 0:fa2b00dcd9d4 86 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_003: [Otherwise IoTHubTransportHttp_Create shall create an immutable string (further called "event HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events?api-version=2015-08-15-preview".]*/
AzureIoTClient 0:fa2b00dcd9d4 87 static bool create_eventHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 88 {
AzureIoTClient 0:fa2b00dcd9d4 89 bool result;
AzureIoTClient 0:fa2b00dcd9d4 90 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 0:fa2b00dcd9d4 91 handleData->eventHTTPrelativePath = STRING_construct("/devices/");
AzureIoTClient 0:fa2b00dcd9d4 92 if (handleData->eventHTTPrelativePath == NULL)
AzureIoTClient 0:fa2b00dcd9d4 93 {
AzureIoTClient 0:fa2b00dcd9d4 94 result = false;
AzureIoTClient 0:fa2b00dcd9d4 95 }
AzureIoTClient 0:fa2b00dcd9d4 96 else if (!(
AzureIoTClient 0:fa2b00dcd9d4 97 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 0:fa2b00dcd9d4 98 (STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 99 (STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
AzureIoTClient 0:fa2b00dcd9d4 100 ))
AzureIoTClient 0:fa2b00dcd9d4 101 {
AzureIoTClient 0:fa2b00dcd9d4 102 destroy_eventHTTPrelativePath(handleData);
AzureIoTClient 0:fa2b00dcd9d4 103 result = false;
AzureIoTClient 0:fa2b00dcd9d4 104 }
AzureIoTClient 0:fa2b00dcd9d4 105 else
AzureIoTClient 0:fa2b00dcd9d4 106 {
AzureIoTClient 0:fa2b00dcd9d4 107 result = true;
AzureIoTClient 0:fa2b00dcd9d4 108 }
AzureIoTClient 0:fa2b00dcd9d4 109 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 0:fa2b00dcd9d4 110 return result;
AzureIoTClient 0:fa2b00dcd9d4 111 }
AzureIoTClient 0:fa2b00dcd9d4 112
AzureIoTClient 3:4e9296134ffb 113 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_034: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called "message HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/devicebound?api-version=2015-08-15-preview".]*/
AzureIoTClient 3:4e9296134ffb 114 static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 115 {
AzureIoTClient 3:4e9296134ffb 116 STRING_delete(handleData->messageHTTPrelativePath);
AzureIoTClient 3:4e9296134ffb 117 handleData->messageHTTPrelativePath = NULL;
AzureIoTClient 0:fa2b00dcd9d4 118 }
AzureIoTClient 0:fa2b00dcd9d4 119
AzureIoTClient 3:4e9296134ffb 120 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_034: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called "message HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/devicebound?api-version=2015-08-15-preview".]*/
AzureIoTClient 3:4e9296134ffb 121 static bool create_messageHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 122 {
AzureIoTClient 0:fa2b00dcd9d4 123 bool result;
AzureIoTClient 3:4e9296134ffb 124 handleData->messageHTTPrelativePath = STRING_construct("/devices/");
AzureIoTClient 3:4e9296134ffb 125 if (handleData->messageHTTPrelativePath == NULL)
AzureIoTClient 0:fa2b00dcd9d4 126 {
AzureIoTClient 0:fa2b00dcd9d4 127 result = false;
AzureIoTClient 0:fa2b00dcd9d4 128 }
AzureIoTClient 0:fa2b00dcd9d4 129 else
AzureIoTClient 0:fa2b00dcd9d4 130 {
AzureIoTClient 0:fa2b00dcd9d4 131 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 0:fa2b00dcd9d4 132 if (!(
AzureIoTClient 0:fa2b00dcd9d4 133 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 3:4e9296134ffb 134 (STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
AzureIoTClient 3:4e9296134ffb 135 (STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
AzureIoTClient 0:fa2b00dcd9d4 136 ))
AzureIoTClient 0:fa2b00dcd9d4 137 {
AzureIoTClient 0:fa2b00dcd9d4 138 result = false;
AzureIoTClient 3:4e9296134ffb 139 destroy_messageHTTPrelativePath(handleData);
AzureIoTClient 0:fa2b00dcd9d4 140 }
AzureIoTClient 0:fa2b00dcd9d4 141 else
AzureIoTClient 0:fa2b00dcd9d4 142 {
AzureIoTClient 0:fa2b00dcd9d4 143 result = true;
AzureIoTClient 0:fa2b00dcd9d4 144 }
AzureIoTClient 0:fa2b00dcd9d4 145 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 0:fa2b00dcd9d4 146 }
AzureIoTClient 0:fa2b00dcd9d4 147
AzureIoTClient 0:fa2b00dcd9d4 148 return result;
AzureIoTClient 0:fa2b00dcd9d4 149 }
AzureIoTClient 0:fa2b00dcd9d4 150
AzureIoTClient 0:fa2b00dcd9d4 151 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_005: [Otherwise, IoTHubTransportHttp_Create shall create a set of HTTP headers (further on called "event HTTP request headers") consisting of the following fixed field names and values:
AzureIoTClient 0:fa2b00dcd9d4 152 "iothub-to":"/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events";
AzureIoTClient 0:fa2b00dcd9d4 153 "Authorization":" "
AzureIoTClient 0:fa2b00dcd9d4 154 "Content-Type":"application/vnd.microsoft.iothub.json"
AzureIoTClient 0:fa2b00dcd9d4 155 "Accept":"application/json"
AzureIoTClient 0:fa2b00dcd9d4 156 "Connection":"Keep-Alive"]*/
AzureIoTClient 0:fa2b00dcd9d4 157 static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 158 {
AzureIoTClient 0:fa2b00dcd9d4 159 HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
AzureIoTClient 0:fa2b00dcd9d4 160 handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient 0:fa2b00dcd9d4 161 }
AzureIoTClient 0:fa2b00dcd9d4 162
AzureIoTClient 0:fa2b00dcd9d4 163 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_005: [Otherwise, IoTHubTransportHttp_Create shall create a set of HTTP headers (further on called "event HTTP request headers") consisting of the following fixed field names and values:
AzureIoTClient 0:fa2b00dcd9d4 164 "iothub-to":"/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events";
AzureIoTClient 0:fa2b00dcd9d4 165 "Authorization":" "
AzureIoTClient 0:fa2b00dcd9d4 166 "Content-Type":"application/vnd.microsoft.iothub.json"
AzureIoTClient 0:fa2b00dcd9d4 167 "Accept":"application/json"
AzureIoTClient 0:fa2b00dcd9d4 168 "Connection":"Keep-Alive"]*/
AzureIoTClient 0:fa2b00dcd9d4 169 static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 170 {
AzureIoTClient 0:fa2b00dcd9d4 171 bool result;
AzureIoTClient 0:fa2b00dcd9d4 172 handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
AzureIoTClient 0:fa2b00dcd9d4 173 if (handleData->eventHTTPrequestHeaders == NULL)
AzureIoTClient 0:fa2b00dcd9d4 174 {
AzureIoTClient 0:fa2b00dcd9d4 175 result = false;
AzureIoTClient 0:fa2b00dcd9d4 176 }
AzureIoTClient 0:fa2b00dcd9d4 177 else
AzureIoTClient 0:fa2b00dcd9d4 178 {
AzureIoTClient 0:fa2b00dcd9d4 179 STRING_HANDLE temp = STRING_construct("/devices/");
AzureIoTClient 0:fa2b00dcd9d4 180 if (temp == NULL)
AzureIoTClient 0:fa2b00dcd9d4 181 {
AzureIoTClient 0:fa2b00dcd9d4 182 result = false;
AzureIoTClient 0:fa2b00dcd9d4 183 destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient 0:fa2b00dcd9d4 184 }
AzureIoTClient 0:fa2b00dcd9d4 185 else
AzureIoTClient 0:fa2b00dcd9d4 186 {
AzureIoTClient 0:fa2b00dcd9d4 187 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 0:fa2b00dcd9d4 188 if (!(
AzureIoTClient 0:fa2b00dcd9d4 189 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 0:fa2b00dcd9d4 190 (STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 191 (STRING_concat(temp, EVENT_ENDPOINT) == 0)
AzureIoTClient 0:fa2b00dcd9d4 192 ))
AzureIoTClient 0:fa2b00dcd9d4 193 {
AzureIoTClient 0:fa2b00dcd9d4 194 result = false;
AzureIoTClient 0:fa2b00dcd9d4 195 destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient 0:fa2b00dcd9d4 196 }
AzureIoTClient 0:fa2b00dcd9d4 197 else
AzureIoTClient 0:fa2b00dcd9d4 198 {
AzureIoTClient 0:fa2b00dcd9d4 199 if (!(
AzureIoTClient 0:fa2b00dcd9d4 200 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient 0:fa2b00dcd9d4 201 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
AzureIoTClient 0:fa2b00dcd9d4 202 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
AzureIoTClient 0:fa2b00dcd9d4 203 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 204 ))
AzureIoTClient 0:fa2b00dcd9d4 205 {
AzureIoTClient 0:fa2b00dcd9d4 206 result = false;
AzureIoTClient 0:fa2b00dcd9d4 207 destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient 0:fa2b00dcd9d4 208 }
AzureIoTClient 0:fa2b00dcd9d4 209 else
AzureIoTClient 0:fa2b00dcd9d4 210 {
AzureIoTClient 0:fa2b00dcd9d4 211 result = true;
AzureIoTClient 0:fa2b00dcd9d4 212 }
AzureIoTClient 0:fa2b00dcd9d4 213 }
AzureIoTClient 0:fa2b00dcd9d4 214 STRING_delete(temp);
AzureIoTClient 0:fa2b00dcd9d4 215 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 0:fa2b00dcd9d4 216 }
AzureIoTClient 0:fa2b00dcd9d4 217 }
AzureIoTClient 0:fa2b00dcd9d4 218 return result;
AzureIoTClient 0:fa2b00dcd9d4 219 }
AzureIoTClient 0:fa2b00dcd9d4 220
AzureIoTClient 0:fa2b00dcd9d4 221 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_007: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]*/
AzureIoTClient 0:fa2b00dcd9d4 222 static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 223 {
AzureIoTClient 0:fa2b00dcd9d4 224 STRING_delete(handleData->hostName);
AzureIoTClient 0:fa2b00dcd9d4 225 handleData->hostName = NULL;
AzureIoTClient 0:fa2b00dcd9d4 226 }
AzureIoTClient 0:fa2b00dcd9d4 227
AzureIoTClient 0:fa2b00dcd9d4 228 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_007: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]*/
AzureIoTClient 0:fa2b00dcd9d4 229 static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 230 {
AzureIoTClient 0:fa2b00dcd9d4 231 bool result;
AzureIoTClient 0:fa2b00dcd9d4 232 handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
AzureIoTClient 0:fa2b00dcd9d4 233 if (handleData->hostName == NULL)
AzureIoTClient 0:fa2b00dcd9d4 234 {
AzureIoTClient 0:fa2b00dcd9d4 235 result = false;
AzureIoTClient 0:fa2b00dcd9d4 236 }
AzureIoTClient 0:fa2b00dcd9d4 237 else
AzureIoTClient 0:fa2b00dcd9d4 238 {
AzureIoTClient 0:fa2b00dcd9d4 239 if ((STRING_concat(handleData->hostName, ".") != 0) ||
AzureIoTClient 0:fa2b00dcd9d4 240 (STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
AzureIoTClient 0:fa2b00dcd9d4 241 {
AzureIoTClient 0:fa2b00dcd9d4 242 destroy_hostName(handleData);
AzureIoTClient 0:fa2b00dcd9d4 243 result = false;
AzureIoTClient 0:fa2b00dcd9d4 244 }
AzureIoTClient 0:fa2b00dcd9d4 245 else
AzureIoTClient 0:fa2b00dcd9d4 246 {
AzureIoTClient 0:fa2b00dcd9d4 247 result = true;
AzureIoTClient 0:fa2b00dcd9d4 248 }
AzureIoTClient 0:fa2b00dcd9d4 249 }
AzureIoTClient 0:fa2b00dcd9d4 250 return result;
AzureIoTClient 0:fa2b00dcd9d4 251 }
AzureIoTClient 0:fa2b00dcd9d4 252
AzureIoTClient 0:fa2b00dcd9d4 253 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_009: [Otherwise, IoTHubTransportHttp_Create shall create a HTTPAPIEX_HANDLE by a call to HTTPAPIEX_Create passing for hostName the hostname so far constructed by IoTHubTransportHttp_Create.]*/
AzureIoTClient 0:fa2b00dcd9d4 254 static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 255 {
AzureIoTClient 0:fa2b00dcd9d4 256 HTTPAPIEX_Destroy(handleData->httpApiExHandle);
AzureIoTClient 0:fa2b00dcd9d4 257 handleData->httpApiExHandle = NULL;
AzureIoTClient 0:fa2b00dcd9d4 258 }
AzureIoTClient 0:fa2b00dcd9d4 259
AzureIoTClient 0:fa2b00dcd9d4 260 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_007: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]*/
AzureIoTClient 0:fa2b00dcd9d4 261 static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 262 {
AzureIoTClient 0:fa2b00dcd9d4 263 bool result;
AzureIoTClient 0:fa2b00dcd9d4 264 (void)config;
AzureIoTClient 0:fa2b00dcd9d4 265 handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
AzureIoTClient 0:fa2b00dcd9d4 266 if (handleData->httpApiExHandle == NULL)
AzureIoTClient 0:fa2b00dcd9d4 267 {
AzureIoTClient 0:fa2b00dcd9d4 268 result = false;
AzureIoTClient 0:fa2b00dcd9d4 269 }
AzureIoTClient 0:fa2b00dcd9d4 270 else
AzureIoTClient 0:fa2b00dcd9d4 271 {
AzureIoTClient 0:fa2b00dcd9d4 272 result = true;
AzureIoTClient 0:fa2b00dcd9d4 273 }
AzureIoTClient 0:fa2b00dcd9d4 274 return result;
AzureIoTClient 0:fa2b00dcd9d4 275 }
AzureIoTClient 0:fa2b00dcd9d4 276
AzureIoTClient 3:4e9296134ffb 277 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_059: [Otherwise, IoTHubTransportHttp_Create shall create a set of HTTP headers (further on called "message HTTP request headers") consisting of the following fixed field names and values:
AzureIoTClient 0:fa2b00dcd9d4 278 "Authorization": " "]*/
AzureIoTClient 3:4e9296134ffb 279 static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 280 {
AzureIoTClient 3:4e9296134ffb 281 HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
AzureIoTClient 3:4e9296134ffb 282 handleData->messageHTTPrequestHeaders = NULL;
AzureIoTClient 0:fa2b00dcd9d4 283 }
AzureIoTClient 0:fa2b00dcd9d4 284
AzureIoTClient 3:4e9296134ffb 285 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_059: [Otherwise, IoTHubTransportHttp_Create shall create a set of HTTP headers (further on called "message HTTP request headers") consisting of the following fixed field names and values:
AzureIoTClient 0:fa2b00dcd9d4 286 "Authorization": " "]*/
AzureIoTClient 3:4e9296134ffb 287 static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 288 {
AzureIoTClient 0:fa2b00dcd9d4 289 bool result;
AzureIoTClient 0:fa2b00dcd9d4 290 (void)config;
AzureIoTClient 3:4e9296134ffb 291 handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
AzureIoTClient 3:4e9296134ffb 292 if (handleData->messageHTTPrequestHeaders == NULL)
AzureIoTClient 0:fa2b00dcd9d4 293 {
AzureIoTClient 0:fa2b00dcd9d4 294 result = false;
AzureIoTClient 0:fa2b00dcd9d4 295 }
AzureIoTClient 0:fa2b00dcd9d4 296 else
AzureIoTClient 0:fa2b00dcd9d4 297 {
AzureIoTClient 3:4e9296134ffb 298 if (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") != HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 299 {
AzureIoTClient 3:4e9296134ffb 300 destroy_messageHTTPrequestHeaders(handleData);
AzureIoTClient 0:fa2b00dcd9d4 301 result = false;
AzureIoTClient 0:fa2b00dcd9d4 302 }
AzureIoTClient 0:fa2b00dcd9d4 303 else
AzureIoTClient 0:fa2b00dcd9d4 304 {
AzureIoTClient 0:fa2b00dcd9d4 305 result = true;
AzureIoTClient 0:fa2b00dcd9d4 306 }
AzureIoTClient 0:fa2b00dcd9d4 307 }
AzureIoTClient 0:fa2b00dcd9d4 308 return result;
AzureIoTClient 0:fa2b00dcd9d4 309 }
AzureIoTClient 0:fa2b00dcd9d4 310
AzureIoTClient 0:fa2b00dcd9d4 311 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_061: [Otherwise, IoTHubTransportHttp_Create shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin.] */
AzureIoTClient 0:fa2b00dcd9d4 312 static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 313 {
AzureIoTClient 0:fa2b00dcd9d4 314 STRING_delete(handleData->abandonHTTPrelativePathBegin);
AzureIoTClient 0:fa2b00dcd9d4 315 handleData->abandonHTTPrelativePathBegin = NULL;
AzureIoTClient 0:fa2b00dcd9d4 316 }
AzureIoTClient 0:fa2b00dcd9d4 317
AzureIoTClient 0:fa2b00dcd9d4 318 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_061: [Otherwise, IoTHubTransportHttp_Create shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin.] */
AzureIoTClient 0:fa2b00dcd9d4 319 static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 320 {
AzureIoTClient 0:fa2b00dcd9d4 321 bool result;
AzureIoTClient 0:fa2b00dcd9d4 322 handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
AzureIoTClient 0:fa2b00dcd9d4 323 if (handleData->abandonHTTPrelativePathBegin == NULL)
AzureIoTClient 0:fa2b00dcd9d4 324 {
AzureIoTClient 0:fa2b00dcd9d4 325 result = false;
AzureIoTClient 0:fa2b00dcd9d4 326 }
AzureIoTClient 0:fa2b00dcd9d4 327 else
AzureIoTClient 0:fa2b00dcd9d4 328 {
AzureIoTClient 0:fa2b00dcd9d4 329 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 0:fa2b00dcd9d4 330 if (!(
AzureIoTClient 0:fa2b00dcd9d4 331 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 0:fa2b00dcd9d4 332 (STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
AzureIoTClient 3:4e9296134ffb 333 (STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
AzureIoTClient 0:fa2b00dcd9d4 334 ))
AzureIoTClient 0:fa2b00dcd9d4 335 {
AzureIoTClient 0:fa2b00dcd9d4 336 LogError("unable to STRING_concat\r\n");
AzureIoTClient 0:fa2b00dcd9d4 337 STRING_delete(handleData->abandonHTTPrelativePathBegin);
AzureIoTClient 0:fa2b00dcd9d4 338 result = false;
AzureIoTClient 0:fa2b00dcd9d4 339 }
AzureIoTClient 0:fa2b00dcd9d4 340 else
AzureIoTClient 0:fa2b00dcd9d4 341 {
AzureIoTClient 0:fa2b00dcd9d4 342 result = true;
AzureIoTClient 0:fa2b00dcd9d4 343 }
AzureIoTClient 0:fa2b00dcd9d4 344 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 0:fa2b00dcd9d4 345 }
AzureIoTClient 0:fa2b00dcd9d4 346 return result;
AzureIoTClient 0:fa2b00dcd9d4 347 }
AzureIoTClient 0:fa2b00dcd9d4 348
AzureIoTClient 0:fa2b00dcd9d4 349 static void destroy_SASObject(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 0:fa2b00dcd9d4 350 {
AzureIoTClient 0:fa2b00dcd9d4 351 HTTPAPIEX_SAS_Destroy(handleData->sasObject);
AzureIoTClient 0:fa2b00dcd9d4 352 handleData->sasObject = NULL;
AzureIoTClient 0:fa2b00dcd9d4 353 }
AzureIoTClient 0:fa2b00dcd9d4 354
AzureIoTClient 0:fa2b00dcd9d4 355 static bool create_deviceSASObject(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 356 {
AzureIoTClient 0:fa2b00dcd9d4 357 STRING_HANDLE keyName;
AzureIoTClient 0:fa2b00dcd9d4 358 bool result;
AzureIoTClient 0:fa2b00dcd9d4 359 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_001: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]*/
AzureIoTClient 0:fa2b00dcd9d4 360 keyName = URL_EncodeString(config->upperConfig->deviceId);
AzureIoTClient 0:fa2b00dcd9d4 361 if (keyName == NULL)
AzureIoTClient 0:fa2b00dcd9d4 362 {
AzureIoTClient 0:fa2b00dcd9d4 363 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_002: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 364 result = false;
AzureIoTClient 0:fa2b00dcd9d4 365 }
AzureIoTClient 0:fa2b00dcd9d4 366 else
AzureIoTClient 0:fa2b00dcd9d4 367 {
AzureIoTClient 0:fa2b00dcd9d4 368 STRING_HANDLE uriResource;
AzureIoTClient 0:fa2b00dcd9d4 369 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_003: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]*/
AzureIoTClient 0:fa2b00dcd9d4 370 uriResource = STRING_clone(handleData->hostName);
AzureIoTClient 0:fa2b00dcd9d4 371 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_004: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 372 if (uriResource != NULL)
AzureIoTClient 0:fa2b00dcd9d4 373 {
AzureIoTClient 0:fa2b00dcd9d4 374 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_005: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]*/
AzureIoTClient 0:fa2b00dcd9d4 375 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_006: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 376 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_007: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]*/
AzureIoTClient 0:fa2b00dcd9d4 377 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_008: [If the STRING_concat_with_STRING fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 378 if ((STRING_concat(uriResource, "/devices/") == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 379 (STRING_concat_with_STRING(uriResource, keyName) == 0))
AzureIoTClient 0:fa2b00dcd9d4 380 {
AzureIoTClient 0:fa2b00dcd9d4 381 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_009: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]*/
AzureIoTClient 0:fa2b00dcd9d4 382 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_010: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 383 STRING_HANDLE key = STRING_construct(config->upperConfig->deviceKey);
AzureIoTClient 0:fa2b00dcd9d4 384 if (key != NULL)
AzureIoTClient 0:fa2b00dcd9d4 385 {
AzureIoTClient 0:fa2b00dcd9d4 386 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_013: [The keyName is shortened to zero length, if that fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 387 if (STRING_empty(keyName) != 0)
AzureIoTClient 0:fa2b00dcd9d4 388 {
AzureIoTClient 0:fa2b00dcd9d4 389 LogError("Unable to form the device key name for the SAS\r\n");
AzureIoTClient 0:fa2b00dcd9d4 390 result = false;
AzureIoTClient 0:fa2b00dcd9d4 391 }
AzureIoTClient 0:fa2b00dcd9d4 392 else
AzureIoTClient 0:fa2b00dcd9d4 393 {
AzureIoTClient 0:fa2b00dcd9d4 394 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_011: [IoTHubTransportHttp_Create shall invoke HTTPAPIEX_SAS_Create with arguments key, uriResource, and zero length keyName.]*/
AzureIoTClient 0:fa2b00dcd9d4 395 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_012: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 396 handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
AzureIoTClient 0:fa2b00dcd9d4 397 result = (handleData->sasObject != NULL) ? (true) : (false);
AzureIoTClient 0:fa2b00dcd9d4 398 }
AzureIoTClient 0:fa2b00dcd9d4 399 STRING_delete(key);
AzureIoTClient 0:fa2b00dcd9d4 400 }
AzureIoTClient 0:fa2b00dcd9d4 401 else
AzureIoTClient 0:fa2b00dcd9d4 402 {
AzureIoTClient 0:fa2b00dcd9d4 403 result = false;
AzureIoTClient 0:fa2b00dcd9d4 404 }
AzureIoTClient 0:fa2b00dcd9d4 405 }
AzureIoTClient 0:fa2b00dcd9d4 406 else
AzureIoTClient 0:fa2b00dcd9d4 407 {
AzureIoTClient 0:fa2b00dcd9d4 408 result = false;
AzureIoTClient 0:fa2b00dcd9d4 409 }
AzureIoTClient 0:fa2b00dcd9d4 410 STRING_delete(uriResource);
AzureIoTClient 0:fa2b00dcd9d4 411 }
AzureIoTClient 0:fa2b00dcd9d4 412 else
AzureIoTClient 0:fa2b00dcd9d4 413 {
AzureIoTClient 0:fa2b00dcd9d4 414 result = false;
AzureIoTClient 0:fa2b00dcd9d4 415 }
AzureIoTClient 0:fa2b00dcd9d4 416 STRING_delete(keyName);
AzureIoTClient 0:fa2b00dcd9d4 417 }
AzureIoTClient 0:fa2b00dcd9d4 418 return result;
AzureIoTClient 0:fa2b00dcd9d4 419 }
AzureIoTClient 0:fa2b00dcd9d4 420
AzureIoTClient 0:fa2b00dcd9d4 421 TRANSPORT_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 0:fa2b00dcd9d4 422 {
AzureIoTClient 0:fa2b00dcd9d4 423 HTTPTRANSPORT_HANDLE_DATA* result;
AzureIoTClient 0:fa2b00dcd9d4 424 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_001: [If parameter config is NULL then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 0:fa2b00dcd9d4 425 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_002: [IoTHubTransportHttp_Create shall fail and return NULL if any fields of the config structure are NULL.] */
AzureIoTClient 0:fa2b00dcd9d4 426 if (config == NULL)
AzureIoTClient 0:fa2b00dcd9d4 427 {
AzureIoTClient 0:fa2b00dcd9d4 428 LogError("invalid arg (configuration is missing)\r\n");
AzureIoTClient 0:fa2b00dcd9d4 429 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 430 }
AzureIoTClient 1:2ba812f3d9b7 431 else if (config->upperConfig == NULL)
AzureIoTClient 1:2ba812f3d9b7 432 {
AzureIoTClient 1:2ba812f3d9b7 433 LogError("invalid arg (upperConfig is NULL)\r\n");
AzureIoTClient 1:2ba812f3d9b7 434 result = NULL;
AzureIoTClient 1:2ba812f3d9b7 435 }
AzureIoTClient 1:2ba812f3d9b7 436 else if (config->waitingToSend == NULL)
AzureIoTClient 1:2ba812f3d9b7 437 {
AzureIoTClient 1:2ba812f3d9b7 438 LogError("invalid arg (waitingToSend is NULL)\r\n");
AzureIoTClient 1:2ba812f3d9b7 439 result = NULL;
AzureIoTClient 1:2ba812f3d9b7 440 }
AzureIoTClient 1:2ba812f3d9b7 441 else if (config->upperConfig->protocol == NULL)
AzureIoTClient 1:2ba812f3d9b7 442 {
AzureIoTClient 1:2ba812f3d9b7 443 LogError("invalid arg (protocol is NULL)\r\n");
AzureIoTClient 1:2ba812f3d9b7 444 result = NULL;
AzureIoTClient 1:2ba812f3d9b7 445 }
AzureIoTClient 1:2ba812f3d9b7 446 else if (config->upperConfig->deviceId == NULL)
AzureIoTClient 1:2ba812f3d9b7 447 {
AzureIoTClient 1:2ba812f3d9b7 448 LogError("invalid arg (deviceId is NULL)\r\n");
AzureIoTClient 1:2ba812f3d9b7 449 result = NULL;
AzureIoTClient 1:2ba812f3d9b7 450 }
AzureIoTClient 1:2ba812f3d9b7 451 else if (config->upperConfig->iotHubName == NULL)
AzureIoTClient 1:2ba812f3d9b7 452 {
AzureIoTClient 1:2ba812f3d9b7 453 LogError("invalid arg (iotHubName is NULL)\r\n");
AzureIoTClient 1:2ba812f3d9b7 454 result = NULL;
AzureIoTClient 1:2ba812f3d9b7 455 }
AzureIoTClient 1:2ba812f3d9b7 456 else if (config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient 1:2ba812f3d9b7 457 {
AzureIoTClient 1:2ba812f3d9b7 458 LogError("invalid arg (iotHubSuffix is NULL)\r\n");
AzureIoTClient 1:2ba812f3d9b7 459 result = NULL;
AzureIoTClient 1:2ba812f3d9b7 460 }
AzureIoTClient 0:fa2b00dcd9d4 461 else if (config->upperConfig->deviceKey == NULL)
AzureIoTClient 0:fa2b00dcd9d4 462 {
AzureIoTClient 0:fa2b00dcd9d4 463 LogError("invalid arg (deviceKey is NULL)\r\n");
AzureIoTClient 0:fa2b00dcd9d4 464 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 465 }
AzureIoTClient 0:fa2b00dcd9d4 466 else
AzureIoTClient 0:fa2b00dcd9d4 467 {
AzureIoTClient 0:fa2b00dcd9d4 468 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_003: [Otherwise IoTHubTransportHttp_Create shall create an immutable string (further called "event HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events?api-version=2015-08-15-preview".]*/
AzureIoTClient 0:fa2b00dcd9d4 469 result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
AzureIoTClient 0:fa2b00dcd9d4 470 if (result == NULL)
AzureIoTClient 0:fa2b00dcd9d4 471 {
AzureIoTClient 0:fa2b00dcd9d4 472 LogError("unable to malloc\r\n");
AzureIoTClient 0:fa2b00dcd9d4 473 }
AzureIoTClient 0:fa2b00dcd9d4 474 else
AzureIoTClient 0:fa2b00dcd9d4 475 {
AzureIoTClient 0:fa2b00dcd9d4 476 bool was_eventHTTPrelativePath_ok = create_eventHTTPrelativePath(result, config);
AzureIoTClient 3:4e9296134ffb 477 bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, config);
AzureIoTClient 3:4e9296134ffb 478 bool was_eventHTTPrequestHeaders_ok = was_messageHTTPrelativePath_ok && create_eventHTTPrequestHeaders(result, config);
AzureIoTClient 0:fa2b00dcd9d4 479 bool was_hostName_ok = was_eventHTTPrequestHeaders_ok && create_hostName(result, config);
AzureIoTClient 0:fa2b00dcd9d4 480 bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
AzureIoTClient 3:4e9296134ffb 481 bool was_messageHTTPrequestHeaders_ok = was_httpApiExHandle_ok && create_messageHTTPrequestHeaders(result, config);
AzureIoTClient 3:4e9296134ffb 482 bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, config);
AzureIoTClient 0:fa2b00dcd9d4 483 bool was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, config);
AzureIoTClient 0:fa2b00dcd9d4 484
AzureIoTClient 3:4e9296134ffb 485 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_011: [Otherwise, IoTHubTransportHttp_Create shall set a flag called "DoWork_PullMessage" to false, succeed and return a non-NULL value.]*/
AzureIoTClient 0:fa2b00dcd9d4 486 if (was_sasObject_ok)
AzureIoTClient 0:fa2b00dcd9d4 487 {
AzureIoTClient 3:4e9296134ffb 488 result->DoWork_PullMessage = false;
AzureIoTClient 0:fa2b00dcd9d4 489 result->doBatchedTransfers = false;
AzureIoTClient 0:fa2b00dcd9d4 490 result->isFirstPoll = true;
AzureIoTClient 0:fa2b00dcd9d4 491 result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
AzureIoTClient 0:fa2b00dcd9d4 492 result->waitingToSend = config->waitingToSend;
AzureIoTClient 0:fa2b00dcd9d4 493 DList_InitializeListHead(&(result->eventConfirmations));
AzureIoTClient 0:fa2b00dcd9d4 494 }
AzureIoTClient 0:fa2b00dcd9d4 495 else
AzureIoTClient 0:fa2b00dcd9d4 496 {
AzureIoTClient 0:fa2b00dcd9d4 497 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_004: [If creating the string fail for any reason then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 0:fa2b00dcd9d4 498 if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
AzureIoTClient 3:4e9296134ffb 499 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_035: [If creating the message HTTP relative path fails, then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 3:4e9296134ffb 500 if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
AzureIoTClient 0:fa2b00dcd9d4 501 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_006: [If creating the event HTTP request headers fails, then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 0:fa2b00dcd9d4 502 if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
AzureIoTClient 0:fa2b00dcd9d4 503 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_008: [If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 0:fa2b00dcd9d4 504 if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient 0:fa2b00dcd9d4 505 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_010: [If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 0:fa2b00dcd9d4 506 if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
AzureIoTClient 3:4e9296134ffb 507 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_060: [If creating message HTTP request headers then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 3:4e9296134ffb 508 if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
AzureIoTClient 0:fa2b00dcd9d4 509 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_062: [If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Create shall fail and return NULL] */
AzureIoTClient 0:fa2b00dcd9d4 510 if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
AzureIoTClient 0:fa2b00dcd9d4 511
AzureIoTClient 0:fa2b00dcd9d4 512 free(result);
AzureIoTClient 0:fa2b00dcd9d4 513 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 514 }
AzureIoTClient 0:fa2b00dcd9d4 515 }
AzureIoTClient 0:fa2b00dcd9d4 516 }
AzureIoTClient 0:fa2b00dcd9d4 517 return result;
AzureIoTClient 0:fa2b00dcd9d4 518 }
AzureIoTClient 0:fa2b00dcd9d4 519
AzureIoTClient 0:fa2b00dcd9d4 520 void IoTHubTransportHttp_Destroy(TRANSPORT_HANDLE handle)
AzureIoTClient 0:fa2b00dcd9d4 521 {
AzureIoTClient 0:fa2b00dcd9d4 522 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_012: [IoTHubTransportHttp_Destroy shall do nothing if parameter handle is NULL.]*/
AzureIoTClient 0:fa2b00dcd9d4 523 if (handle != NULL)
AzureIoTClient 0:fa2b00dcd9d4 524 {
AzureIoTClient 0:fa2b00dcd9d4 525 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_013: [Otherwise IoTHubTransportHttp_Destroy shall free all the resources currently in use.] */
AzureIoTClient 0:fa2b00dcd9d4 526 destroy_eventHTTPrelativePath(handle);
AzureIoTClient 3:4e9296134ffb 527 destroy_messageHTTPrelativePath(handle);
AzureIoTClient 0:fa2b00dcd9d4 528 destroy_eventHTTPrequestHeaders(handle);
AzureIoTClient 0:fa2b00dcd9d4 529 destroy_hostName(handle);
AzureIoTClient 0:fa2b00dcd9d4 530 destroy_httpApiExHandle(handle);
AzureIoTClient 3:4e9296134ffb 531 destroy_messageHTTPrequestHeaders(handle);
AzureIoTClient 0:fa2b00dcd9d4 532 destroy_abandonHTTPrelativePathBegin(handle);
AzureIoTClient 0:fa2b00dcd9d4 533 destroy_SASObject(handle);
AzureIoTClient 0:fa2b00dcd9d4 534 free(handle);
AzureIoTClient 0:fa2b00dcd9d4 535 }
AzureIoTClient 0:fa2b00dcd9d4 536 }
AzureIoTClient 0:fa2b00dcd9d4 537
AzureIoTClient 0:fa2b00dcd9d4 538 int IoTHubTransportHttp_Subscribe(TRANSPORT_HANDLE handle)
AzureIoTClient 0:fa2b00dcd9d4 539 {
AzureIoTClient 0:fa2b00dcd9d4 540 int result;
AzureIoTClient 0:fa2b00dcd9d4 541 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_014: [If parameter handle is NULL then IoTHubTransportHttp_Subscribe shall fail and return a non-zero value.] */
AzureIoTClient 0:fa2b00dcd9d4 542 if (handle == NULL)
AzureIoTClient 0:fa2b00dcd9d4 543 {
AzureIoTClient 0:fa2b00dcd9d4 544 LogError("invalid arg passed to IoTHubTransportHttp_Subscribe\r\n");
AzureIoTClient 0:fa2b00dcd9d4 545 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 546 }
AzureIoTClient 0:fa2b00dcd9d4 547 else
AzureIoTClient 0:fa2b00dcd9d4 548 {
AzureIoTClient 3:4e9296134ffb 549 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_056: [Otherwise, IoTHubTransportHttp_Subscribe shall set the flag called DoWork_PullMessages to true and succeed.] */
AzureIoTClient 0:fa2b00dcd9d4 550 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 3:4e9296134ffb 551 handleData->DoWork_PullMessage = true;
AzureIoTClient 0:fa2b00dcd9d4 552 result = 0;
AzureIoTClient 0:fa2b00dcd9d4 553 }
AzureIoTClient 0:fa2b00dcd9d4 554 return result;
AzureIoTClient 0:fa2b00dcd9d4 555 }
AzureIoTClient 0:fa2b00dcd9d4 556
AzureIoTClient 0:fa2b00dcd9d4 557 void IoTHubTransportHttp_Unsubscribe(TRANSPORT_HANDLE handle)
AzureIoTClient 0:fa2b00dcd9d4 558 {
AzureIoTClient 0:fa2b00dcd9d4 559 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_016: [If parameter handle is NULL then IoTHubTransportHttp_Unsubscribe shall do nothing.] */
AzureIoTClient 0:fa2b00dcd9d4 560 if (handle != NULL)
AzureIoTClient 0:fa2b00dcd9d4 561 {
AzureIoTClient 0:fa2b00dcd9d4 562 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 3:4e9296134ffb 563 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_058: [Otherwise it shall set the flag DoWork_PullMessage to false.] */
AzureIoTClient 3:4e9296134ffb 564 handleData->DoWork_PullMessage = false;
AzureIoTClient 0:fa2b00dcd9d4 565 }
AzureIoTClient 0:fa2b00dcd9d4 566 }
AzureIoTClient 0:fa2b00dcd9d4 567
AzureIoTClient 0:fa2b00dcd9d4 568 /*produces a representation of the properties, if they exist*/
AzureIoTClient 0:fa2b00dcd9d4 569 /*if they do not exist, produces ""*/
AzureIoTClient 3:4e9296134ffb 570 static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient 0:fa2b00dcd9d4 571 {
AzureIoTClient 0:fa2b00dcd9d4 572 int result;
AzureIoTClient 0:fa2b00dcd9d4 573 const char*const* keys;
AzureIoTClient 0:fa2b00dcd9d4 574 const char*const* values;
AzureIoTClient 0:fa2b00dcd9d4 575 size_t count;
AzureIoTClient 0:fa2b00dcd9d4 576 if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
AzureIoTClient 0:fa2b00dcd9d4 577 {
AzureIoTClient 0:fa2b00dcd9d4 578 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 579 LogError("error while Map_GetInternals\r\n");
AzureIoTClient 0:fa2b00dcd9d4 580 }
AzureIoTClient 0:fa2b00dcd9d4 581 else
AzureIoTClient 0:fa2b00dcd9d4 582 {
AzureIoTClient 0:fa2b00dcd9d4 583
AzureIoTClient 0:fa2b00dcd9d4 584 if (count == 0)
AzureIoTClient 0:fa2b00dcd9d4 585 {
AzureIoTClient 0:fa2b00dcd9d4 586 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_076: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload*/
AzureIoTClient 0:fa2b00dcd9d4 587 /*no properties - do nothing with existing*/
AzureIoTClient 0:fa2b00dcd9d4 588 result = 0;
AzureIoTClient 3:4e9296134ffb 589 *propertiesMessageSizeContribution = 0;
AzureIoTClient 0:fa2b00dcd9d4 590 }
AzureIoTClient 0:fa2b00dcd9d4 591 else
AzureIoTClient 0:fa2b00dcd9d4 592 {
AzureIoTClient 0:fa2b00dcd9d4 593 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_075: [If IoTHubMessage has properties, then they shall be serialized at the same level as "body" using the following pattern: "properties":{"iothub-app-name1":"value1","iothub-app-name2":"value2*/
AzureIoTClient 0:fa2b00dcd9d4 594 if (STRING_concat(existing, ",\"properties\":") != 0)
AzureIoTClient 0:fa2b00dcd9d4 595 {
AzureIoTClient 0:fa2b00dcd9d4 596 /*go ahead and return it*/
AzureIoTClient 0:fa2b00dcd9d4 597 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 598 LogError("failed STRING_concat\r\n");
AzureIoTClient 0:fa2b00dcd9d4 599 }
AzureIoTClient 0:fa2b00dcd9d4 600 else if (appendMapToJSON(existing, keys, values, count) != 0)
AzureIoTClient 0:fa2b00dcd9d4 601 {
AzureIoTClient 0:fa2b00dcd9d4 602 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 603 LogError("unable to append the properties\r\n");
AzureIoTClient 0:fa2b00dcd9d4 604 }
AzureIoTClient 0:fa2b00dcd9d4 605 else
AzureIoTClient 0:fa2b00dcd9d4 606 {
AzureIoTClient 0:fa2b00dcd9d4 607 /*all is fine*/
AzureIoTClient 3:4e9296134ffb 608 size_t i;
AzureIoTClient 3:4e9296134ffb 609 *propertiesMessageSizeContribution = 0;
AzureIoTClient 3:4e9296134ffb 610 for (i = 0;i < count;i++)
AzureIoTClient 3:4e9296134ffb 611 {
AzureIoTClient 3:4e9296134ffb 612 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_120: [Every property name shall add to the message size the length of the property name + the length of the property value + 16 bytes.] */
AzureIoTClient 3:4e9296134ffb 613 *propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
AzureIoTClient 3:4e9296134ffb 614 }
AzureIoTClient 0:fa2b00dcd9d4 615 result = 0;
AzureIoTClient 0:fa2b00dcd9d4 616 }
AzureIoTClient 0:fa2b00dcd9d4 617 }
AzureIoTClient 0:fa2b00dcd9d4 618 }
AzureIoTClient 0:fa2b00dcd9d4 619 return result;
AzureIoTClient 0:fa2b00dcd9d4 620 }
AzureIoTClient 0:fa2b00dcd9d4 621
AzureIoTClient 0:fa2b00dcd9d4 622 /*produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}*/
AzureIoTClient 0:fa2b00dcd9d4 623 static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count) /*under consideration: move to MAP module when it has more than 1 user*/
AzureIoTClient 0:fa2b00dcd9d4 624 {
AzureIoTClient 0:fa2b00dcd9d4 625 int result;
AzureIoTClient 0:fa2b00dcd9d4 626 if (STRING_concat(existing, "{") != 0)
AzureIoTClient 0:fa2b00dcd9d4 627 {
AzureIoTClient 0:fa2b00dcd9d4 628 /*go on and return it*/
AzureIoTClient 0:fa2b00dcd9d4 629 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 630 LogError("STRING_construct failed\r\n");
AzureIoTClient 0:fa2b00dcd9d4 631 }
AzureIoTClient 0:fa2b00dcd9d4 632 else
AzureIoTClient 0:fa2b00dcd9d4 633 {
AzureIoTClient 0:fa2b00dcd9d4 634 size_t i;
AzureIoTClient 0:fa2b00dcd9d4 635 for (i = 0; i < count; i++)
AzureIoTClient 0:fa2b00dcd9d4 636 {
AzureIoTClient 0:fa2b00dcd9d4 637 if (!(
AzureIoTClient 0:fa2b00dcd9d4 638 (STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 639 (STRING_concat(existing, keys[i]) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 640 (STRING_concat(existing, "\":\"") == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 641 (STRING_concat(existing, values[i]) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 642 (STRING_concat(existing, "\"") == 0)
AzureIoTClient 0:fa2b00dcd9d4 643 ))
AzureIoTClient 0:fa2b00dcd9d4 644 {
AzureIoTClient 0:fa2b00dcd9d4 645 LogError("unable to STRING_concat\r\n");
AzureIoTClient 0:fa2b00dcd9d4 646 break;
AzureIoTClient 0:fa2b00dcd9d4 647 }
AzureIoTClient 0:fa2b00dcd9d4 648 }
AzureIoTClient 0:fa2b00dcd9d4 649
AzureIoTClient 0:fa2b00dcd9d4 650 if (i < count)
AzureIoTClient 0:fa2b00dcd9d4 651 {
AzureIoTClient 0:fa2b00dcd9d4 652 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 653 /*error, let it go through*/
AzureIoTClient 0:fa2b00dcd9d4 654 }
AzureIoTClient 0:fa2b00dcd9d4 655 else if (STRING_concat(existing, "}") != 0)
AzureIoTClient 0:fa2b00dcd9d4 656 {
AzureIoTClient 0:fa2b00dcd9d4 657 result = __LINE__;
AzureIoTClient 0:fa2b00dcd9d4 658 LogError("unable to STRING_concat\r\n");
AzureIoTClient 0:fa2b00dcd9d4 659 }
AzureIoTClient 0:fa2b00dcd9d4 660 else
AzureIoTClient 0:fa2b00dcd9d4 661 {
AzureIoTClient 0:fa2b00dcd9d4 662 /*all is fine*/
AzureIoTClient 0:fa2b00dcd9d4 663 result = 0;
AzureIoTClient 0:fa2b00dcd9d4 664 }
AzureIoTClient 0:fa2b00dcd9d4 665 }
AzureIoTClient 0:fa2b00dcd9d4 666 return result;
AzureIoTClient 0:fa2b00dcd9d4 667 }
AzureIoTClient 0:fa2b00dcd9d4 668
AzureIoTClient 0:fa2b00dcd9d4 669 /*makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}*/
AzureIoTClient 0:fa2b00dcd9d4 670 /*return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data*/
AzureIoTClient 3:4e9296134ffb 671 static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient 0:fa2b00dcd9d4 672 {
AzureIoTClient 0:fa2b00dcd9d4 673 STRING_HANDLE result; /*temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}*/
AzureIoTClient 0:fa2b00dcd9d4 674 IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 0:fa2b00dcd9d4 675 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient 3:4e9296134ffb 676
AzureIoTClient 0:fa2b00dcd9d4 677 switch (contentType)
AzureIoTClient 0:fa2b00dcd9d4 678 {
AzureIoTClient 0:fa2b00dcd9d4 679 case IOTHUBMESSAGE_BYTEARRAY:
AzureIoTClient 0:fa2b00dcd9d4 680 {
AzureIoTClient 0:fa2b00dcd9d4 681 result = STRING_construct("{\"body\":\"");
AzureIoTClient 0:fa2b00dcd9d4 682 if (result == NULL)
AzureIoTClient 0:fa2b00dcd9d4 683 {
AzureIoTClient 0:fa2b00dcd9d4 684 LogError("unable to STRING_construct\r\n");
AzureIoTClient 0:fa2b00dcd9d4 685 }
AzureIoTClient 0:fa2b00dcd9d4 686 else
AzureIoTClient 0:fa2b00dcd9d4 687 {
AzureIoTClient 0:fa2b00dcd9d4 688 const unsigned char* source;
AzureIoTClient 0:fa2b00dcd9d4 689 size_t size;
AzureIoTClient 0:fa2b00dcd9d4 690
AzureIoTClient 0:fa2b00dcd9d4 691 if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
AzureIoTClient 0:fa2b00dcd9d4 692 {
AzureIoTClient 0:fa2b00dcd9d4 693 LogError("unable to get the data for the message.\r\n");
AzureIoTClient 0:fa2b00dcd9d4 694 STRING_delete(result);
AzureIoTClient 0:fa2b00dcd9d4 695 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 696 }
AzureIoTClient 0:fa2b00dcd9d4 697 else
AzureIoTClient 0:fa2b00dcd9d4 698 {
AzureIoTClient 0:fa2b00dcd9d4 699 STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
AzureIoTClient 0:fa2b00dcd9d4 700 if (encoded == NULL)
AzureIoTClient 0:fa2b00dcd9d4 701 {
AzureIoTClient 0:fa2b00dcd9d4 702 LogError("unable to Base64_Encode_Bytes.\r\n");
AzureIoTClient 0:fa2b00dcd9d4 703 STRING_delete(result);
AzureIoTClient 0:fa2b00dcd9d4 704 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 705 }
AzureIoTClient 0:fa2b00dcd9d4 706 else
AzureIoTClient 0:fa2b00dcd9d4 707 {
AzureIoTClient 3:4e9296134ffb 708 size_t propertiesSize;
AzureIoTClient 0:fa2b00dcd9d4 709 if (!(
AzureIoTClient 0:fa2b00dcd9d4 710 (STRING_concat_with_STRING(result, encoded) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 711 (STRING_concat(result, "\"") == 0) && /*\" because closing value*/
AzureIoTClient 3:4e9296134ffb 712 (concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 713 (STRING_concat(result, "},") == 0) /*the last comma shall be replaced by a ']' by DaCr's suggestion (which is awesome enough to receive credits in the source code)*/
AzureIoTClient 0:fa2b00dcd9d4 714 ))
AzureIoTClient 0:fa2b00dcd9d4 715 {
AzureIoTClient 0:fa2b00dcd9d4 716 STRING_delete(result);
AzureIoTClient 0:fa2b00dcd9d4 717 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 718 LogError("unable to STRING_concat_with_STRING.\r\n");
AzureIoTClient 0:fa2b00dcd9d4 719 }
AzureIoTClient 0:fa2b00dcd9d4 720 else
AzureIoTClient 0:fa2b00dcd9d4 721 {
AzureIoTClient 0:fa2b00dcd9d4 722 /*all is fine... */
AzureIoTClient 3:4e9296134ffb 723 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_119: [The message size is computed from the length of the payload + 384.] */
AzureIoTClient 3:4e9296134ffb 724 *messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
AzureIoTClient 0:fa2b00dcd9d4 725 }
AzureIoTClient 0:fa2b00dcd9d4 726 STRING_delete(encoded);
AzureIoTClient 0:fa2b00dcd9d4 727 }
AzureIoTClient 0:fa2b00dcd9d4 728 }
AzureIoTClient 0:fa2b00dcd9d4 729 }
AzureIoTClient 0:fa2b00dcd9d4 730 break;
AzureIoTClient 0:fa2b00dcd9d4 731 }
AzureIoTClient 0:fa2b00dcd9d4 732 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_113: [If a messages to be send has type IOTHUBMESSAGE_STRING, then its serialization shall be {"body":"JSON encoding of the string", "base64Encoded":false}] */
AzureIoTClient 0:fa2b00dcd9d4 733 case IOTHUBMESSAGE_STRING:
AzureIoTClient 0:fa2b00dcd9d4 734 {
AzureIoTClient 0:fa2b00dcd9d4 735 result = STRING_construct("{\"body\":");
AzureIoTClient 0:fa2b00dcd9d4 736 if (result == NULL)
AzureIoTClient 0:fa2b00dcd9d4 737 {
AzureIoTClient 0:fa2b00dcd9d4 738 LogError("unable to STRING_construct\r\n");
AzureIoTClient 0:fa2b00dcd9d4 739 }
AzureIoTClient 0:fa2b00dcd9d4 740 else
AzureIoTClient 0:fa2b00dcd9d4 741 {
AzureIoTClient 0:fa2b00dcd9d4 742 const char* source = IoTHubMessage_GetString(message->messageHandle);
AzureIoTClient 0:fa2b00dcd9d4 743 if (source == NULL)
AzureIoTClient 0:fa2b00dcd9d4 744 {
AzureIoTClient 0:fa2b00dcd9d4 745 LogError("unable to IoTHubMessage_GetString\r\n");
AzureIoTClient 0:fa2b00dcd9d4 746 STRING_delete(result);
AzureIoTClient 0:fa2b00dcd9d4 747 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 748 }
AzureIoTClient 0:fa2b00dcd9d4 749 else
AzureIoTClient 0:fa2b00dcd9d4 750 {
AzureIoTClient 0:fa2b00dcd9d4 751 STRING_HANDLE asJson = STRING_new_JSON(source);
AzureIoTClient 0:fa2b00dcd9d4 752 if (asJson == NULL)
AzureIoTClient 0:fa2b00dcd9d4 753 {
AzureIoTClient 0:fa2b00dcd9d4 754 LogError("unable to STRING_new_JSON\r\n");
AzureIoTClient 0:fa2b00dcd9d4 755 STRING_delete(result);
AzureIoTClient 0:fa2b00dcd9d4 756 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 757 }
AzureIoTClient 0:fa2b00dcd9d4 758 else
AzureIoTClient 0:fa2b00dcd9d4 759 {
AzureIoTClient 3:4e9296134ffb 760 size_t propertiesSize;
AzureIoTClient 0:fa2b00dcd9d4 761 if (!(
AzureIoTClient 0:fa2b00dcd9d4 762 (STRING_concat_with_STRING(result, asJson) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 763 (STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
AzureIoTClient 3:4e9296134ffb 764 (concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 765 (STRING_concat(result, "},") == 0) /*the last comma shall be replaced by a ']' by DaCr's suggestion (which is awesome enough to receive credits in the source code)*/
AzureIoTClient 0:fa2b00dcd9d4 766 ))
AzureIoTClient 0:fa2b00dcd9d4 767 {
AzureIoTClient 0:fa2b00dcd9d4 768 LogError("unable to STRING_concat_with_STRING");
AzureIoTClient 0:fa2b00dcd9d4 769 STRING_delete(result);
AzureIoTClient 0:fa2b00dcd9d4 770 result = NULL;
AzureIoTClient 0:fa2b00dcd9d4 771 }
AzureIoTClient 0:fa2b00dcd9d4 772 else
AzureIoTClient 0:fa2b00dcd9d4 773 {
AzureIoTClient 0:fa2b00dcd9d4 774 /*result has the intended content*/
AzureIoTClient 3:4e9296134ffb 775 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_119: [The message size is computed from the length of the payload + 384.] */
AzureIoTClient 3:4e9296134ffb 776 *messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
AzureIoTClient 0:fa2b00dcd9d4 777 }
AzureIoTClient 0:fa2b00dcd9d4 778 STRING_delete(asJson);
AzureIoTClient 0:fa2b00dcd9d4 779 }
AzureIoTClient 0:fa2b00dcd9d4 780 }
AzureIoTClient 0:fa2b00dcd9d4 781 }
AzureIoTClient 0:fa2b00dcd9d4 782 break;
AzureIoTClient 0:fa2b00dcd9d4 783 }
AzureIoTClient 0:fa2b00dcd9d4 784 default:
AzureIoTClient 0:fa2b00dcd9d4 785 {
AzureIoTClient 0:fa2b00dcd9d4 786 LogError("an unknown message type was encountered (%d)\r\n", contentType);
AzureIoTClient 0:fa2b00dcd9d4 787 result = NULL; /*unknown message type*/
AzureIoTClient 0:fa2b00dcd9d4 788 break;
AzureIoTClient 0:fa2b00dcd9d4 789 }
AzureIoTClient 0:fa2b00dcd9d4 790 }
AzureIoTClient 0:fa2b00dcd9d4 791 return result;
AzureIoTClient 0:fa2b00dcd9d4 792 }
AzureIoTClient 0:fa2b00dcd9d4 793
AzureIoTClient 0:fa2b00dcd9d4 794 #define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient 0:fa2b00dcd9d4 795 MAKE_PAYLOAD_OK, /*returned when there is a payload to be later send by HTTP*/ \
AzureIoTClient 0:fa2b00dcd9d4 796 MAKE_PAYLOAD_NO_ITEMS, /*returned when there are no items to be send*/ \
AzureIoTClient 0:fa2b00dcd9d4 797 MAKE_PAYLOAD_ERROR, /*returned when there were errors*/ \
AzureIoTClient 0:fa2b00dcd9d4 798 MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /*returned when the first item doesn't fit*/
AzureIoTClient 0:fa2b00dcd9d4 799
AzureIoTClient 0:fa2b00dcd9d4 800 DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient 0:fa2b00dcd9d4 801
AzureIoTClient 0:fa2b00dcd9d4 802 /*this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload*/
AzureIoTClient 0:fa2b00dcd9d4 803 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_070: [IoTHubTransportHttp_DoWork shall build the following string:[{"body":"base64 encoding of the message1 content"},{"body":"base64 encoding of the message2 content"}...]]*/
AzureIoTClient 0:fa2b00dcd9d4 804 static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_HANDLE_DATA* handleData, STRING_HANDLE* payload)
AzureIoTClient 0:fa2b00dcd9d4 805 {
AzureIoTClient 0:fa2b00dcd9d4 806 MAKE_PAYLOAD_RESULT result;
AzureIoTClient 3:4e9296134ffb 807 size_t allMessagesSize = 0;
AzureIoTClient 0:fa2b00dcd9d4 808 *payload = STRING_construct("[");
AzureIoTClient 0:fa2b00dcd9d4 809 if (*payload == NULL)
AzureIoTClient 0:fa2b00dcd9d4 810 {
AzureIoTClient 0:fa2b00dcd9d4 811 LogError("unable to STRING_construct\r\n");
AzureIoTClient 0:fa2b00dcd9d4 812 result = MAKE_PAYLOAD_ERROR;
AzureIoTClient 0:fa2b00dcd9d4 813 }
AzureIoTClient 0:fa2b00dcd9d4 814 else
AzureIoTClient 0:fa2b00dcd9d4 815 {
AzureIoTClient 0:fa2b00dcd9d4 816 bool isFirst = true;
AzureIoTClient 0:fa2b00dcd9d4 817 PDLIST_ENTRY actual;
AzureIoTClient 0:fa2b00dcd9d4 818 /*either all the items enter the list or only some*/
AzureIoTClient 0:fa2b00dcd9d4 819 result = MAKE_PAYLOAD_OK; /*optimistically initializing it*/
AzureIoTClient 0:fa2b00dcd9d4 820 bool keepGoing = true; /*keepGoing gets sometimes to false from within the loop*/
AzureIoTClient 0:fa2b00dcd9d4 821 while (keepGoing && ((actual = handleData->waitingToSend->Flink) != handleData->waitingToSend))
AzureIoTClient 0:fa2b00dcd9d4 822 {
AzureIoTClient 3:4e9296134ffb 823 size_t messageSize;
AzureIoTClient 3:4e9296134ffb 824 STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
AzureIoTClient 0:fa2b00dcd9d4 825 if (isFirst)
AzureIoTClient 0:fa2b00dcd9d4 826 {
AzureIoTClient 0:fa2b00dcd9d4 827 isFirst = false;
AzureIoTClient 0:fa2b00dcd9d4 828 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 0:fa2b00dcd9d4 829 if (temp == NULL) /*first item failed to create, nothing to send*/
AzureIoTClient 0:fa2b00dcd9d4 830 {
AzureIoTClient 0:fa2b00dcd9d4 831 result = MAKE_PAYLOAD_ERROR;
AzureIoTClient 0:fa2b00dcd9d4 832 STRING_delete(*payload);
AzureIoTClient 0:fa2b00dcd9d4 833 *payload = NULL;
AzureIoTClient 0:fa2b00dcd9d4 834 keepGoing = false;
AzureIoTClient 0:fa2b00dcd9d4 835 }
AzureIoTClient 0:fa2b00dcd9d4 836 else
AzureIoTClient 0:fa2b00dcd9d4 837 {
AzureIoTClient 2:ff9104b866b8 838 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_071: [If the oldest message in waitingToSend causes the message size to exceed the message size limit then it shall be removed from waitingToSend, and IoTHubClient_LL_SendComplete shall be called. Parameter PDLIST_ENTRY completed shall point to a list containing only the oldest item, and parameter IOTHUB_BATCHSTATE result shall be set to IOTHUB_BATCHSTATE_FAILED.]*/
AzureIoTClient 3:4e9296134ffb 839 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_118: [The message size shall be limited to 255KB - 1 byte.]*/
AzureIoTClient 3:4e9296134ffb 840 if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 0:fa2b00dcd9d4 841 {
AzureIoTClient 0:fa2b00dcd9d4 842 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 0:fa2b00dcd9d4 843 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 0:fa2b00dcd9d4 844 result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
AzureIoTClient 0:fa2b00dcd9d4 845 STRING_delete(*payload);
AzureIoTClient 0:fa2b00dcd9d4 846 *payload = NULL;
AzureIoTClient 0:fa2b00dcd9d4 847 keepGoing = false;
AzureIoTClient 0:fa2b00dcd9d4 848 }
AzureIoTClient 0:fa2b00dcd9d4 849 else
AzureIoTClient 0:fa2b00dcd9d4 850 {
AzureIoTClient 0:fa2b00dcd9d4 851 if (STRING_concat_with_STRING(*payload, temp) != 0)
AzureIoTClient 0:fa2b00dcd9d4 852 {
AzureIoTClient 0:fa2b00dcd9d4 853 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 0:fa2b00dcd9d4 854 result = MAKE_PAYLOAD_ERROR;
AzureIoTClient 0:fa2b00dcd9d4 855 STRING_delete(*payload);
AzureIoTClient 0:fa2b00dcd9d4 856 *payload = NULL;
AzureIoTClient 0:fa2b00dcd9d4 857 keepGoing = false;
AzureIoTClient 0:fa2b00dcd9d4 858 }
AzureIoTClient 0:fa2b00dcd9d4 859 else
AzureIoTClient 0:fa2b00dcd9d4 860 {
AzureIoTClient 0:fa2b00dcd9d4 861 /*first item was put nicely in the payload*/
AzureIoTClient 0:fa2b00dcd9d4 862 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 0:fa2b00dcd9d4 863 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 3:4e9296134ffb 864 allMessagesSize += messageSize;
AzureIoTClient 0:fa2b00dcd9d4 865 }
AzureIoTClient 0:fa2b00dcd9d4 866 }
AzureIoTClient 0:fa2b00dcd9d4 867 STRING_delete(temp);
AzureIoTClient 0:fa2b00dcd9d4 868 }
AzureIoTClient 0:fa2b00dcd9d4 869 }
AzureIoTClient 0:fa2b00dcd9d4 870 else
AzureIoTClient 0:fa2b00dcd9d4 871 {
AzureIoTClient 0:fa2b00dcd9d4 872 /*there is at least 1 item already in the payload*/
AzureIoTClient 0:fa2b00dcd9d4 873 if (temp == NULL)
AzureIoTClient 0:fa2b00dcd9d4 874 {
AzureIoTClient 0:fa2b00dcd9d4 875 /*there are multiple payloads encoded, the last one had an internal error, just go with those - closing the payload happens "after the loop"*/
AzureIoTClient 0:fa2b00dcd9d4 876 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_072: [If at any point during construction of the string there are errors, IoTHubTransportHttp_DoWork shall use the so far constructed string as payload.]*/
AzureIoTClient 0:fa2b00dcd9d4 877 result = MAKE_PAYLOAD_OK;
AzureIoTClient 0:fa2b00dcd9d4 878 keepGoing = false;
AzureIoTClient 0:fa2b00dcd9d4 879 }
AzureIoTClient 0:fa2b00dcd9d4 880 else
AzureIoTClient 0:fa2b00dcd9d4 881 {
AzureIoTClient 3:4e9296134ffb 882 if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 0:fa2b00dcd9d4 883 {
AzureIoTClient 0:fa2b00dcd9d4 884 /*this item doesn't make it to the payload, but the payload is valid so far*/
AzureIoTClient 0:fa2b00dcd9d4 885 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_072: [If at any point during construction of the string there are errors, IoTHubTransportHttp_DoWork shall use the so far constructed string as payload.]*/
AzureIoTClient 0:fa2b00dcd9d4 886 result = MAKE_PAYLOAD_OK;
AzureIoTClient 0:fa2b00dcd9d4 887 keepGoing = false;
AzureIoTClient 0:fa2b00dcd9d4 888 }
AzureIoTClient 0:fa2b00dcd9d4 889 else if (STRING_concat_with_STRING(*payload, temp) != 0)
AzureIoTClient 0:fa2b00dcd9d4 890 {
AzureIoTClient 0:fa2b00dcd9d4 891 /*should still send what there is so far...*/
AzureIoTClient 0:fa2b00dcd9d4 892 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_072: [If at any point during construction of the string there are errors, IoTHubTransportHttp_DoWork shall use the so far constructed string as payload.]*/
AzureIoTClient 0:fa2b00dcd9d4 893 result = MAKE_PAYLOAD_OK;
AzureIoTClient 0:fa2b00dcd9d4 894 keepGoing = false;
AzureIoTClient 0:fa2b00dcd9d4 895 }
AzureIoTClient 0:fa2b00dcd9d4 896 else
AzureIoTClient 0:fa2b00dcd9d4 897 {
AzureIoTClient 0:fa2b00dcd9d4 898 /*cool, the payload made it there, let's continue... */
AzureIoTClient 0:fa2b00dcd9d4 899 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 0:fa2b00dcd9d4 900 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 3:4e9296134ffb 901 allMessagesSize += messageSize;
AzureIoTClient 0:fa2b00dcd9d4 902 }
AzureIoTClient 0:fa2b00dcd9d4 903 STRING_delete(temp);
AzureIoTClient 0:fa2b00dcd9d4 904 }
AzureIoTClient 0:fa2b00dcd9d4 905 }
AzureIoTClient 0:fa2b00dcd9d4 906 }
AzureIoTClient 0:fa2b00dcd9d4 907
AzureIoTClient 0:fa2b00dcd9d4 908 /*closing the payload*/
AzureIoTClient 0:fa2b00dcd9d4 909 if (result == MAKE_PAYLOAD_OK)
AzureIoTClient 0:fa2b00dcd9d4 910 {
AzureIoTClient 0:fa2b00dcd9d4 911 ((char*)STRING_c_str(*payload))[STRING_length(*payload) - 1] = ']'; /*TODO - do this in STRING_HANDLE*/
AzureIoTClient 0:fa2b00dcd9d4 912 }
AzureIoTClient 0:fa2b00dcd9d4 913 else
AzureIoTClient 0:fa2b00dcd9d4 914 {
AzureIoTClient 0:fa2b00dcd9d4 915 /*no need to close anything*/
AzureIoTClient 0:fa2b00dcd9d4 916 }
AzureIoTClient 0:fa2b00dcd9d4 917 }
AzureIoTClient 0:fa2b00dcd9d4 918 return result;
AzureIoTClient 0:fa2b00dcd9d4 919 }
AzureIoTClient 0:fa2b00dcd9d4 920
AzureIoTClient 0:fa2b00dcd9d4 921 static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient 0:fa2b00dcd9d4 922 {
AzureIoTClient 0:fa2b00dcd9d4 923 /*this function takes a list, and inserts it in another list. When done in the context of this file, it reverses the effects of a not-able-to-send situation*/
AzureIoTClient 0:fa2b00dcd9d4 924 PDLIST_ENTRY afterHead;
AzureIoTClient 0:fa2b00dcd9d4 925 while ((afterHead = DList_RemoveHeadList(source)) != source)
AzureIoTClient 0:fa2b00dcd9d4 926 {
AzureIoTClient 0:fa2b00dcd9d4 927 DList_InsertHeadList(destination, afterHead);
AzureIoTClient 0:fa2b00dcd9d4 928 }
AzureIoTClient 0:fa2b00dcd9d4 929 }
AzureIoTClient 0:fa2b00dcd9d4 930
AzureIoTClient 0:fa2b00dcd9d4 931 static void DoEvent(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 0:fa2b00dcd9d4 932 {
AzureIoTClient 0:fa2b00dcd9d4 933 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 0:fa2b00dcd9d4 934 if (DList_IsListEmpty(handleData->waitingToSend))
AzureIoTClient 0:fa2b00dcd9d4 935 {
AzureIoTClient 0:fa2b00dcd9d4 936 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_019: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] */
AzureIoTClient 0:fa2b00dcd9d4 937 }
AzureIoTClient 0:fa2b00dcd9d4 938 else
AzureIoTClient 0:fa2b00dcd9d4 939 {
AzureIoTClient 0:fa2b00dcd9d4 940 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_101: [If option SetBatching is true then _Dowork shall send batched event message as specced below.] */
AzureIoTClient 0:fa2b00dcd9d4 941 if (handleData->doBatchedTransfers)
AzureIoTClient 0:fa2b00dcd9d4 942 {
AzureIoTClient 0:fa2b00dcd9d4 943 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_102: [Request HTTP headers shall have the value of "Content-Type" created or updated to "application/vnd.microsoft.iothub.json" by a call to HTTPHeaders_ReplaceHeaderNameValuePair.] */
AzureIoTClient 0:fa2b00dcd9d4 944 if (HTTPHeaders_ReplaceHeaderNameValuePair(handleData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 945 {
AzureIoTClient 0:fa2b00dcd9d4 946 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_103: [If updating Content-Type fails for any reason, then _DoWork shall advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 947 LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient 0:fa2b00dcd9d4 948 }
AzureIoTClient 0:fa2b00dcd9d4 949 else
AzureIoTClient 0:fa2b00dcd9d4 950 {
AzureIoTClient 0:fa2b00dcd9d4 951 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_018: [It shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 0:fa2b00dcd9d4 952 STRING_HANDLE payload;
AzureIoTClient 0:fa2b00dcd9d4 953 switch (makePayload(handleData, &payload))
AzureIoTClient 0:fa2b00dcd9d4 954 {
AzureIoTClient 0:fa2b00dcd9d4 955 case MAKE_PAYLOAD_OK:
AzureIoTClient 0:fa2b00dcd9d4 956 {
AzureIoTClient 0:fa2b00dcd9d4 957 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_031: [Once a final payload has been obtained, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters:] */
AzureIoTClient 0:fa2b00dcd9d4 958 BUFFER_HANDLE temp = BUFFER_new();
AzureIoTClient 0:fa2b00dcd9d4 959 if (temp == NULL)
AzureIoTClient 0:fa2b00dcd9d4 960 {
AzureIoTClient 0:fa2b00dcd9d4 961 LogError("unable to BUFFER_new\r\n");
AzureIoTClient 0:fa2b00dcd9d4 962 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 0:fa2b00dcd9d4 963 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 0:fa2b00dcd9d4 964 }
AzureIoTClient 0:fa2b00dcd9d4 965 else
AzureIoTClient 0:fa2b00dcd9d4 966 {
AzureIoTClient 0:fa2b00dcd9d4 967 if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
AzureIoTClient 0:fa2b00dcd9d4 968 {
AzureIoTClient 0:fa2b00dcd9d4 969 LogError("unable to BUFFER_build\r\n");
AzureIoTClient 0:fa2b00dcd9d4 970 //items go back to waitingToSend
AzureIoTClient 0:fa2b00dcd9d4 971 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 0:fa2b00dcd9d4 972 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 0:fa2b00dcd9d4 973 }
AzureIoTClient 0:fa2b00dcd9d4 974 else
AzureIoTClient 0:fa2b00dcd9d4 975 {
AzureIoTClient 0:fa2b00dcd9d4 976 unsigned int statusCode;
AzureIoTClient 0:fa2b00dcd9d4 977 HTTPAPIEX_RESULT r;
AzureIoTClient 0:fa2b00dcd9d4 978 if ((r = HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 0:fa2b00dcd9d4 979 handleData->sasObject,
AzureIoTClient 0:fa2b00dcd9d4 980 handleData->httpApiExHandle,
AzureIoTClient 0:fa2b00dcd9d4 981 HTTPAPI_REQUEST_POST,
AzureIoTClient 0:fa2b00dcd9d4 982 STRING_c_str(handleData->eventHTTPrelativePath),
AzureIoTClient 0:fa2b00dcd9d4 983 handleData->eventHTTPrequestHeaders,
AzureIoTClient 0:fa2b00dcd9d4 984 temp,
AzureIoTClient 0:fa2b00dcd9d4 985 &statusCode,
AzureIoTClient 0:fa2b00dcd9d4 986 NULL,
AzureIoTClient 0:fa2b00dcd9d4 987 NULL
AzureIoTClient 0:fa2b00dcd9d4 988 )) != HTTPAPIEX_OK)
AzureIoTClient 0:fa2b00dcd9d4 989 {
AzureIoTClient 0:fa2b00dcd9d4 990 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 0:fa2b00dcd9d4 991 //items go back to waitingToSend
AzureIoTClient 0:fa2b00dcd9d4 992 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_065: [if HTTPAPIEX_SAS_ExecuteRequest fails or the http status code >=300 then IoTHubTransportHttp_DoWork shall not do any other action (it is assumed at the next _DoWork it shall be retried).] */
AzureIoTClient 0:fa2b00dcd9d4 993 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 0:fa2b00dcd9d4 994 }
AzureIoTClient 0:fa2b00dcd9d4 995 else
AzureIoTClient 0:fa2b00dcd9d4 996 {
AzureIoTClient 0:fa2b00dcd9d4 997 if (statusCode < 300)
AzureIoTClient 0:fa2b00dcd9d4 998 {
AzureIoTClient 0:fa2b00dcd9d4 999 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_067: [If HTTPAPIEX_SAS_ExecuteRequest does not fail and http status code <300 then IoTHubTransportHttp_DoWork shall call IoTHubClient_LL_SendComplete. Parameter PDLIST_ENTRY completed shall point to a list containing all the items batched, and parameter IOTHUB_BATCHSTATE result shall be set to IOTHUB_BATCHSTATE_SUCESS. The batched items shall be removed from waitingToSend.] */
AzureIoTClient 0:fa2b00dcd9d4 1000 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_SUCCESS);
AzureIoTClient 0:fa2b00dcd9d4 1001 }
AzureIoTClient 0:fa2b00dcd9d4 1002 else
AzureIoTClient 0:fa2b00dcd9d4 1003 {
AzureIoTClient 0:fa2b00dcd9d4 1004 //items go back to waitingToSend
AzureIoTClient 0:fa2b00dcd9d4 1005 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_065: [if HTTPAPIEX_SAS_ExecuteRequest fails or the http status code >=300 then IoTHubTransportHttp_DoWork shall not do any other action (it is assumed at the next _DoWork it shall be retried).] */
AzureIoTClient 0:fa2b00dcd9d4 1006 LogError("unexpected HTTP status code (%u)\r\n", statusCode);
AzureIoTClient 0:fa2b00dcd9d4 1007 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 0:fa2b00dcd9d4 1008 }
AzureIoTClient 0:fa2b00dcd9d4 1009 }
AzureIoTClient 0:fa2b00dcd9d4 1010 }
AzureIoTClient 0:fa2b00dcd9d4 1011 BUFFER_delete(temp);
AzureIoTClient 0:fa2b00dcd9d4 1012 }
AzureIoTClient 0:fa2b00dcd9d4 1013 STRING_delete(payload);
AzureIoTClient 0:fa2b00dcd9d4 1014 break;
AzureIoTClient 0:fa2b00dcd9d4 1015 }
AzureIoTClient 0:fa2b00dcd9d4 1016 case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
AzureIoTClient 0:fa2b00dcd9d4 1017 {
AzureIoTClient 0:fa2b00dcd9d4 1018 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /*takes care of emptying the list too*/
AzureIoTClient 0:fa2b00dcd9d4 1019 break;
AzureIoTClient 0:fa2b00dcd9d4 1020 }
AzureIoTClient 0:fa2b00dcd9d4 1021 case MAKE_PAYLOAD_ERROR:
AzureIoTClient 0:fa2b00dcd9d4 1022 {
AzureIoTClient 0:fa2b00dcd9d4 1023 LogError("unrecoverable errors while building a batch message\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1024 break;
AzureIoTClient 0:fa2b00dcd9d4 1025 }
AzureIoTClient 0:fa2b00dcd9d4 1026 case MAKE_PAYLOAD_NO_ITEMS:
AzureIoTClient 0:fa2b00dcd9d4 1027 {
AzureIoTClient 0:fa2b00dcd9d4 1028 /*do nothing*/
AzureIoTClient 0:fa2b00dcd9d4 1029 break;
AzureIoTClient 0:fa2b00dcd9d4 1030 }
AzureIoTClient 0:fa2b00dcd9d4 1031 default:
AzureIoTClient 0:fa2b00dcd9d4 1032 {
AzureIoTClient 0:fa2b00dcd9d4 1033 LogError("internal error: switch's default branch reached when never intended\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1034 break;
AzureIoTClient 0:fa2b00dcd9d4 1035 }
AzureIoTClient 0:fa2b00dcd9d4 1036 }
AzureIoTClient 0:fa2b00dcd9d4 1037 }
AzureIoTClient 0:fa2b00dcd9d4 1038 }
AzureIoTClient 0:fa2b00dcd9d4 1039 else
AzureIoTClient 0:fa2b00dcd9d4 1040 {
AzureIoTClient 3:4e9296134ffb 1041 const unsigned char* messageContent=NULL;
AzureIoTClient 3:4e9296134ffb 1042 size_t messageSize=0;
AzureIoTClient 3:4e9296134ffb 1043 size_t originalMessageSize=0;
AzureIoTClient 0:fa2b00dcd9d4 1044 IOTHUB_MESSAGE_LIST* message = containingRecord(handleData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 0:fa2b00dcd9d4 1045 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient 0:fa2b00dcd9d4 1046
AzureIoTClient 3:4e9296134ffb 1047 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_122: [The message size is computed from the length of the payload + 384.]*/
AzureIoTClient 0:fa2b00dcd9d4 1048 if (!(
AzureIoTClient 3:4e9296134ffb 1049 (((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
AzureIoTClient 3:4e9296134ffb 1050 (IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize)==IOTHUB_MESSAGE_OK)) ? (messageSize= originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD, 1): 0)
AzureIoTClient 3:4e9296134ffb 1051
AzureIoTClient 3:4e9296134ffb 1052 ||
AzureIoTClient 3:4e9296134ffb 1053
AzureIoTClient 0:fa2b00dcd9d4 1054 ((contentType == IOTHUBMESSAGE_STRING) && (
AzureIoTClient 0:fa2b00dcd9d4 1055 messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle),
AzureIoTClient 3:4e9296134ffb 1056 (messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)?0:strlen((const char*)messageContent)))),
AzureIoTClient 0:fa2b00dcd9d4 1057 messageContent!=NULL)
AzureIoTClient 0:fa2b00dcd9d4 1058 )
AzureIoTClient 0:fa2b00dcd9d4 1059 ))
AzureIoTClient 0:fa2b00dcd9d4 1060 {
AzureIoTClient 0:fa2b00dcd9d4 1061 LogError("unable to get the message content\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1062 /*go on...*/
AzureIoTClient 0:fa2b00dcd9d4 1063 }
AzureIoTClient 0:fa2b00dcd9d4 1064 else
AzureIoTClient 0:fa2b00dcd9d4 1065 {
AzureIoTClient 2:ff9104b866b8 1066 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_109: [If the oldest message in waitingToSend causes the message to exceed the message size limit then it shall be removed from waitingToSend, and IoTHubClient_LL_SendComplete shall be called. Parameter PDLIST_ENTRY completed shall point to a list containing only the oldest item, and parameter IOTHUB_BATCHSTATE result shall be set to IOTHUB_BATCHSTATE_FAILED.]*/
AzureIoTClient 3:4e9296134ffb 1067 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_121: [The message size shall be limited to 255KB -1 bytes.] */
AzureIoTClient 3:4e9296134ffb 1068 if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 0:fa2b00dcd9d4 1069 {
AzureIoTClient 0:fa2b00dcd9d4 1070 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 0:fa2b00dcd9d4 1071 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 0:fa2b00dcd9d4 1072 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /*takes care of emptying the list too*/
AzureIoTClient 0:fa2b00dcd9d4 1073 }
AzureIoTClient 0:fa2b00dcd9d4 1074 else
AzureIoTClient 0:fa2b00dcd9d4 1075 {
AzureIoTClient 0:fa2b00dcd9d4 1076 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_104: [If option SetBatching is false then _Dowork shall send individual event message as specced below.] */
AzureIoTClient 0:fa2b00dcd9d4 1077 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_105: [A clone of the event HTTP request headers shall be created.]*/
AzureIoTClient 0:fa2b00dcd9d4 1078 HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(handleData->eventHTTPrequestHeaders);
AzureIoTClient 0:fa2b00dcd9d4 1079 if (clonedEventHTTPrequestHeaders == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1080 {
AzureIoTClient 0:fa2b00dcd9d4 1081 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 1082 LogError("HTTPHeaders_Clone failed\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1083 }
AzureIoTClient 0:fa2b00dcd9d4 1084 else
AzureIoTClient 0:fa2b00dcd9d4 1085 {
AzureIoTClient 0:fa2b00dcd9d4 1086 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_106: [The cloned HTTP headers shall have the HTTP header "Content-Type" set to "application/octet-stream".] */
AzureIoTClient 0:fa2b00dcd9d4 1087 if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 1088 {
AzureIoTClient 0:fa2b00dcd9d4 1089 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 1090 LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1091 }
AzureIoTClient 0:fa2b00dcd9d4 1092 else
AzureIoTClient 0:fa2b00dcd9d4 1093 {
AzureIoTClient 0:fa2b00dcd9d4 1094 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_107: [Every message property "property":"value" shall be added to the HTTP headers as an individual header "iothub-app-property":"value".] */
AzureIoTClient 0:fa2b00dcd9d4 1095 MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
AzureIoTClient 0:fa2b00dcd9d4 1096 const char*const* keys;
AzureIoTClient 0:fa2b00dcd9d4 1097 const char*const* values;
AzureIoTClient 0:fa2b00dcd9d4 1098 size_t count;
AzureIoTClient 0:fa2b00dcd9d4 1099 if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
AzureIoTClient 0:fa2b00dcd9d4 1100 {
AzureIoTClient 0:fa2b00dcd9d4 1101 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 1102 LogError("unable to Map_GetInternals\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1103 }
AzureIoTClient 0:fa2b00dcd9d4 1104 else
AzureIoTClient 0:fa2b00dcd9d4 1105 {
AzureIoTClient 0:fa2b00dcd9d4 1106 size_t i;
AzureIoTClient 0:fa2b00dcd9d4 1107 bool goOn = true;
AzureIoTClient 0:fa2b00dcd9d4 1108 for (i = 0; (i < count) && goOn; i++)
AzureIoTClient 0:fa2b00dcd9d4 1109 {
AzureIoTClient 3:4e9296134ffb 1110 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_123: [Every property name shall add to the message size the length of the property name + the length of the property value + 16 bytes.] */
AzureIoTClient 3:4e9296134ffb 1111 messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
AzureIoTClient 3:4e9296134ffb 1112 if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 0:fa2b00dcd9d4 1113 {
AzureIoTClient 3:4e9296134ffb 1114 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_121: [The message size shall be limited to 255KB -1 bytes.] */
AzureIoTClient 3:4e9296134ffb 1115 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 3:4e9296134ffb 1116 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 3:4e9296134ffb 1117 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /*takes care of emptying the list too*/
AzureIoTClient 0:fa2b00dcd9d4 1118 goOn = false;
AzureIoTClient 0:fa2b00dcd9d4 1119 }
AzureIoTClient 0:fa2b00dcd9d4 1120 else
AzureIoTClient 0:fa2b00dcd9d4 1121 {
AzureIoTClient 3:4e9296134ffb 1122 STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
AzureIoTClient 3:4e9296134ffb 1123 if (temp == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1124 {
AzureIoTClient 0:fa2b00dcd9d4 1125 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 3:4e9296134ffb 1126 LogError("unable to STRING_construct\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1127 goOn = false;
AzureIoTClient 0:fa2b00dcd9d4 1128 }
AzureIoTClient 0:fa2b00dcd9d4 1129 else
AzureIoTClient 0:fa2b00dcd9d4 1130 {
AzureIoTClient 3:4e9296134ffb 1131 if (STRING_concat(temp, keys[i]) != 0)
AzureIoTClient 0:fa2b00dcd9d4 1132 {
AzureIoTClient 0:fa2b00dcd9d4 1133 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 3:4e9296134ffb 1134 LogError("unable to STRING_concat\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1135 goOn = false;
AzureIoTClient 0:fa2b00dcd9d4 1136 }
AzureIoTClient 3:4e9296134ffb 1137 else
AzureIoTClient 3:4e9296134ffb 1138 {
AzureIoTClient 3:4e9296134ffb 1139 if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
AzureIoTClient 3:4e9296134ffb 1140 {
AzureIoTClient 3:4e9296134ffb 1141 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 3:4e9296134ffb 1142 LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient 3:4e9296134ffb 1143 goOn = false;
AzureIoTClient 3:4e9296134ffb 1144 }
AzureIoTClient 3:4e9296134ffb 1145 }
AzureIoTClient 3:4e9296134ffb 1146 STRING_delete(temp);
AzureIoTClient 0:fa2b00dcd9d4 1147 }
AzureIoTClient 0:fa2b00dcd9d4 1148 }
AzureIoTClient 0:fa2b00dcd9d4 1149 }
AzureIoTClient 0:fa2b00dcd9d4 1150
AzureIoTClient 0:fa2b00dcd9d4 1151 if (!goOn)
AzureIoTClient 0:fa2b00dcd9d4 1152 {
AzureIoTClient 0:fa2b00dcd9d4 1153 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 1154 }
AzureIoTClient 0:fa2b00dcd9d4 1155 else
AzureIoTClient 0:fa2b00dcd9d4 1156 {
AzureIoTClient 0:fa2b00dcd9d4 1157 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_110: [IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters] */
AzureIoTClient 0:fa2b00dcd9d4 1158 BUFFER_HANDLE toBeSend = BUFFER_new();
AzureIoTClient 0:fa2b00dcd9d4 1159 if (toBeSend == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1160 {
AzureIoTClient 0:fa2b00dcd9d4 1161 LogError("unable to BUFFER_new\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1162 }
AzureIoTClient 0:fa2b00dcd9d4 1163 else
AzureIoTClient 0:fa2b00dcd9d4 1164 {
AzureIoTClient 3:4e9296134ffb 1165 if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
AzureIoTClient 0:fa2b00dcd9d4 1166 {
AzureIoTClient 0:fa2b00dcd9d4 1167 LogError("unable to BUFFER_build\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1168 }
AzureIoTClient 0:fa2b00dcd9d4 1169 else
AzureIoTClient 0:fa2b00dcd9d4 1170 {
AzureIoTClient 0:fa2b00dcd9d4 1171 unsigned int statusCode;
AzureIoTClient 0:fa2b00dcd9d4 1172 HTTPAPIEX_RESULT r;
AzureIoTClient 0:fa2b00dcd9d4 1173 if ((r = HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 0:fa2b00dcd9d4 1174 handleData->sasObject,
AzureIoTClient 0:fa2b00dcd9d4 1175 handleData->httpApiExHandle,
AzureIoTClient 0:fa2b00dcd9d4 1176 HTTPAPI_REQUEST_POST,
AzureIoTClient 0:fa2b00dcd9d4 1177 STRING_c_str(handleData->eventHTTPrelativePath),
AzureIoTClient 0:fa2b00dcd9d4 1178 clonedEventHTTPrequestHeaders,
AzureIoTClient 0:fa2b00dcd9d4 1179 toBeSend,
AzureIoTClient 0:fa2b00dcd9d4 1180 &statusCode,
AzureIoTClient 0:fa2b00dcd9d4 1181 NULL,
AzureIoTClient 0:fa2b00dcd9d4 1182 NULL
AzureIoTClient 0:fa2b00dcd9d4 1183 )) != HTTPAPIEX_OK)
AzureIoTClient 0:fa2b00dcd9d4 1184 {
AzureIoTClient 0:fa2b00dcd9d4 1185 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1186 }
AzureIoTClient 0:fa2b00dcd9d4 1187 else
AzureIoTClient 0:fa2b00dcd9d4 1188 {
AzureIoTClient 0:fa2b00dcd9d4 1189 if (statusCode < 300)
AzureIoTClient 0:fa2b00dcd9d4 1190 {
AzureIoTClient 0:fa2b00dcd9d4 1191 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_112: [If HTTPAPIEX_SAS_ExecuteRequest does not fail and http status code <300 then IoTHubTransportHttp_DoWork shall call IoTHubClient_LL_SendComplete. Parameter PDLIST_ENTRY completed shall point to a list the item send, and parameter IOTHUB_BATCHSTATE result shall be set to IOTHUB_BATCHSTATE_SUCCESS. The item shall be removed from waitingToSend.] */
AzureIoTClient 0:fa2b00dcd9d4 1192 PDLIST_ENTRY justSent = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 0:fa2b00dcd9d4 1193 DList_InsertTailList(&(handleData->eventConfirmations), justSent);
AzureIoTClient 0:fa2b00dcd9d4 1194 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_SUCCESS); /*takes care of emptying the list too*/
AzureIoTClient 0:fa2b00dcd9d4 1195 }
AzureIoTClient 0:fa2b00dcd9d4 1196 else
AzureIoTClient 0:fa2b00dcd9d4 1197 {
AzureIoTClient 0:fa2b00dcd9d4 1198 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_111: [If HTTPAPIEX_SAS_ExecuteRequest fails or the http status code >=300 then IoTHubTransportHttp_DoWork shall not do any other action (it is assumed at the next _DoWork it shall be retried).] */
AzureIoTClient 0:fa2b00dcd9d4 1199 LogError("unexpected HTTP status code (%u)\r\n", statusCode);
AzureIoTClient 0:fa2b00dcd9d4 1200 }
AzureIoTClient 0:fa2b00dcd9d4 1201 }
AzureIoTClient 0:fa2b00dcd9d4 1202 }
AzureIoTClient 0:fa2b00dcd9d4 1203 BUFFER_delete(toBeSend);
AzureIoTClient 0:fa2b00dcd9d4 1204 }
AzureIoTClient 0:fa2b00dcd9d4 1205 }
AzureIoTClient 0:fa2b00dcd9d4 1206 }
AzureIoTClient 0:fa2b00dcd9d4 1207 }
AzureIoTClient 0:fa2b00dcd9d4 1208 HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
AzureIoTClient 0:fa2b00dcd9d4 1209 }
AzureIoTClient 0:fa2b00dcd9d4 1210 }
AzureIoTClient 0:fa2b00dcd9d4 1211 }
AzureIoTClient 0:fa2b00dcd9d4 1212 }
AzureIoTClient 0:fa2b00dcd9d4 1213 }
AzureIoTClient 0:fa2b00dcd9d4 1214 }
AzureIoTClient 0:fa2b00dcd9d4 1215
AzureIoTClient 0:fa2b00dcd9d4 1216 #define ACTION_VALUES \
AzureIoTClient 0:fa2b00dcd9d4 1217 ABANDON, \
AzureIoTClient 0:fa2b00dcd9d4 1218 REJECT, \
AzureIoTClient 0:fa2b00dcd9d4 1219 ACCEPT
AzureIoTClient 0:fa2b00dcd9d4 1220 DEFINE_ENUM(ACTION, ACTION_VALUES);
AzureIoTClient 0:fa2b00dcd9d4 1221
AzureIoTClient 0:fa2b00dcd9d4 1222 static void abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, const char* ETag, ACTION action)
AzureIoTClient 0:fa2b00dcd9d4 1223 {
AzureIoTClient 0:fa2b00dcd9d4 1224 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_050: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient 0:fa2b00dcd9d4 1225 -requestType: POST
AzureIoTClient 0:fa2b00dcd9d4 1226 -relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2015-08-15-preview"
AzureIoTClient 0:fa2b00dcd9d4 1227 - requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient 1:2ba812f3d9b7 1228 Authorization: " "
AzureIoTClient 1:2ba812f3d9b7 1229 If-Match: value of ETag
AzureIoTClient 0:fa2b00dcd9d4 1230 - requestContent: NULL
AzureIoTClient 0:fa2b00dcd9d4 1231 - statusCode: a pointer to unsigned int which might be examined for logging
AzureIoTClient 0:fa2b00dcd9d4 1232 - responseHeadearsHandle: NULL
AzureIoTClient 0:fa2b00dcd9d4 1233 - responseContent: NULL]*/
AzureIoTClient 0:fa2b00dcd9d4 1234 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_051: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient 0:fa2b00dcd9d4 1235 -requestType: DELETE
AzureIoTClient 0:fa2b00dcd9d4 1236 -relativePath: abandon relative path begin + value of ETag + "?api-version=2015-08-15-preview"
AzureIoTClient 0:fa2b00dcd9d4 1237 - requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient 1:2ba812f3d9b7 1238 Authorization: " "
AzureIoTClient 1:2ba812f3d9b7 1239 If-Match: value of ETag
AzureIoTClient 0:fa2b00dcd9d4 1240 - requestContent: NULL
AzureIoTClient 0:fa2b00dcd9d4 1241 - statusCode: a pointer to unsigned int which might be used by logging
AzureIoTClient 0:fa2b00dcd9d4 1242 - responseHeadearsHandle: NULL
AzureIoTClient 0:fa2b00dcd9d4 1243 - responseContent: NULL]*/
AzureIoTClient 0:fa2b00dcd9d4 1244 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_077: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient 0:fa2b00dcd9d4 1245 -requestType: DELETE
AzureIoTClient 0:fa2b00dcd9d4 1246 -relativePath: abandon relative path begin + value of ETag +"?api-version=2015-08-15-preview" + "&reject"
AzureIoTClient 0:fa2b00dcd9d4 1247 - requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient 1:2ba812f3d9b7 1248 Authorization: " "
AzureIoTClient 1:2ba812f3d9b7 1249 If-Match: value of ETag
AzureIoTClient 0:fa2b00dcd9d4 1250 - requestContent: NULL
AzureIoTClient 0:fa2b00dcd9d4 1251 - statusCode: a pointer to unsigned int which might be used by logging
AzureIoTClient 0:fa2b00dcd9d4 1252 - responseHeadearsHandle: NULL
AzureIoTClient 0:fa2b00dcd9d4 1253 - responseContent: NULL]*/
AzureIoTClient 0:fa2b00dcd9d4 1254
AzureIoTClient 0:fa2b00dcd9d4 1255 STRING_HANDLE fullAbandonRelativePath = STRING_clone(handleData->abandonHTTPrelativePathBegin);
AzureIoTClient 0:fa2b00dcd9d4 1256 if (fullAbandonRelativePath == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1257 {
AzureIoTClient 0:fa2b00dcd9d4 1258 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1259 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1260 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1261 LogError("unable to STRING_clone\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1262 }
AzureIoTClient 0:fa2b00dcd9d4 1263 else
AzureIoTClient 0:fa2b00dcd9d4 1264 {
AzureIoTClient 0:fa2b00dcd9d4 1265 STRING_HANDLE ETagUnquoted = STRING_construct_n(ETag + 1, strlen(ETag) - 2); /*skip first character which is '"' and the last one (which is also '"')*/
AzureIoTClient 0:fa2b00dcd9d4 1266 if (ETagUnquoted == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1267 {
AzureIoTClient 0:fa2b00dcd9d4 1268 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1269 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1270 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1271 LogError("unable to STRING_construct_n\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1272 }
AzureIoTClient 0:fa2b00dcd9d4 1273 else
AzureIoTClient 0:fa2b00dcd9d4 1274 {
AzureIoTClient 0:fa2b00dcd9d4 1275 if (!(
AzureIoTClient 0:fa2b00dcd9d4 1276 (STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
AzureIoTClient 0:fa2b00dcd9d4 1277 (STRING_concat(fullAbandonRelativePath, (action == ABANDON) ? "/abandon" API_VERSION : ((action == REJECT) ? API_VERSION "&reject" : API_VERSION)) == 0)
AzureIoTClient 0:fa2b00dcd9d4 1278 ))
AzureIoTClient 0:fa2b00dcd9d4 1279 {
AzureIoTClient 0:fa2b00dcd9d4 1280 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1281 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1282 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1283 LogError("unable to STRING_concat\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1284 }
AzureIoTClient 0:fa2b00dcd9d4 1285 else
AzureIoTClient 0:fa2b00dcd9d4 1286 {
AzureIoTClient 0:fa2b00dcd9d4 1287 HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
AzureIoTClient 0:fa2b00dcd9d4 1288 if (abandonRequestHttpHeaders == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1289 {
AzureIoTClient 0:fa2b00dcd9d4 1290 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1291 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1292 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1293 LogError("unable to HTTPHeaders_Alloc\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1294 }
AzureIoTClient 0:fa2b00dcd9d4 1295 else
AzureIoTClient 0:fa2b00dcd9d4 1296 {
AzureIoTClient 0:fa2b00dcd9d4 1297 if (!(
AzureIoTClient 0:fa2b00dcd9d4 1298 (HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
AzureIoTClient 0:fa2b00dcd9d4 1299 (HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 1300 ))
AzureIoTClient 0:fa2b00dcd9d4 1301 {
AzureIoTClient 0:fa2b00dcd9d4 1302 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1303 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1304 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1305 LogError("unable to HTTPHeaders_AddHeaderNameValuePair\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1306 }
AzureIoTClient 0:fa2b00dcd9d4 1307 else
AzureIoTClient 0:fa2b00dcd9d4 1308 {
AzureIoTClient 0:fa2b00dcd9d4 1309 unsigned int statusCode;
AzureIoTClient 0:fa2b00dcd9d4 1310 if (HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 0:fa2b00dcd9d4 1311 handleData->sasObject,
AzureIoTClient 0:fa2b00dcd9d4 1312 handleData->httpApiExHandle,
AzureIoTClient 0:fa2b00dcd9d4 1313 (action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /*-requestType: POST */
AzureIoTClient 0:fa2b00dcd9d4 1314 STRING_c_str(fullAbandonRelativePath), /*-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2015-08-15-preview" */
AzureIoTClient 0:fa2b00dcd9d4 1315 abandonRequestHttpHeaders, /*- requestHttpHeadersHandle: an HTTP headers instance containing the following */
AzureIoTClient 0:fa2b00dcd9d4 1316 NULL, /*- requestContent: NULL */
AzureIoTClient 0:fa2b00dcd9d4 1317 &statusCode, /*- statusCode: a pointer to unsigned int which might be examined for logging */
AzureIoTClient 0:fa2b00dcd9d4 1318 NULL, /*- responseHeadearsHandle: NULL */
AzureIoTClient 0:fa2b00dcd9d4 1319 NULL /*- responseContent: NULL] */
AzureIoTClient 0:fa2b00dcd9d4 1320 ) != HTTPAPIEX_OK)
AzureIoTClient 0:fa2b00dcd9d4 1321 {
AzureIoTClient 0:fa2b00dcd9d4 1322 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1323 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1324 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1325 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1326 }
AzureIoTClient 0:fa2b00dcd9d4 1327 else
AzureIoTClient 0:fa2b00dcd9d4 1328 {
AzureIoTClient 0:fa2b00dcd9d4 1329 if (statusCode != 204)
AzureIoTClient 0:fa2b00dcd9d4 1330 {
AzureIoTClient 0:fa2b00dcd9d4 1331 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1332 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1333 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1334 LogError("unexpected status code returned %u (was expecting 204)\r\n", statusCode);
AzureIoTClient 0:fa2b00dcd9d4 1335 }
AzureIoTClient 0:fa2b00dcd9d4 1336 else
AzureIoTClient 0:fa2b00dcd9d4 1337 {
AzureIoTClient 0:fa2b00dcd9d4 1338 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_052: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
AzureIoTClient 0:fa2b00dcd9d4 1339 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1340 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 0:fa2b00dcd9d4 1341 /*all is fine*/
AzureIoTClient 0:fa2b00dcd9d4 1342 }
AzureIoTClient 0:fa2b00dcd9d4 1343 }
AzureIoTClient 0:fa2b00dcd9d4 1344 }
AzureIoTClient 0:fa2b00dcd9d4 1345 HTTPHeaders_Free(abandonRequestHttpHeaders);
AzureIoTClient 0:fa2b00dcd9d4 1346 }
AzureIoTClient 0:fa2b00dcd9d4 1347 }
AzureIoTClient 0:fa2b00dcd9d4 1348 STRING_delete(ETagUnquoted);
AzureIoTClient 0:fa2b00dcd9d4 1349 }
AzureIoTClient 0:fa2b00dcd9d4 1350 STRING_delete(fullAbandonRelativePath);
AzureIoTClient 0:fa2b00dcd9d4 1351 }
AzureIoTClient 0:fa2b00dcd9d4 1352 }
AzureIoTClient 0:fa2b00dcd9d4 1353
AzureIoTClient 3:4e9296134ffb 1354 static void DoMessages(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 0:fa2b00dcd9d4 1355 {
AzureIoTClient 0:fa2b00dcd9d4 1356 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 3:4e9296134ffb 1357 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_057: [If flag DoWork_PullMessage is set to false then _DoWork shall advance to the next action.] */
AzureIoTClient 3:4e9296134ffb 1358 if (handleData->DoWork_PullMessage)
AzureIoTClient 0:fa2b00dcd9d4 1359 {
AzureIoTClient 0:fa2b00dcd9d4 1360 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_116: [After client creation, the first GET shall be allowed no matter what the value of GetMinimumPollingTime.] */
AzureIoTClient 0:fa2b00dcd9d4 1361 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_117: [If time is not available then all calls shall be treated as if they are the first one.] */
AzureIoTClient 0:fa2b00dcd9d4 1362 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_115: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] */
AzureIoTClient 0:fa2b00dcd9d4 1363 time_t timeNow = get_time(NULL);
AzureIoTClient 0:fa2b00dcd9d4 1364 bool isPollingAllowed = handleData->isFirstPoll || (timeNow == (time_t)(-1)) || (get_difftime(timeNow, handleData->lastPollTime) > handleData->getMinimumPollingTime);
AzureIoTClient 0:fa2b00dcd9d4 1365 if (isPollingAllowed)
AzureIoTClient 0:fa2b00dcd9d4 1366 {
AzureIoTClient 0:fa2b00dcd9d4 1367 HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
AzureIoTClient 0:fa2b00dcd9d4 1368 if (responseHTTPHeaders == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1369 {
AzureIoTClient 0:fa2b00dcd9d4 1370 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_037: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
AzureIoTClient 0:fa2b00dcd9d4 1371 LogError("unable to HTTPHeaders_Alloc\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1372 }
AzureIoTClient 0:fa2b00dcd9d4 1373 else
AzureIoTClient 0:fa2b00dcd9d4 1374 {
AzureIoTClient 0:fa2b00dcd9d4 1375 BUFFER_HANDLE responseContent = BUFFER_new();
AzureIoTClient 0:fa2b00dcd9d4 1376 if (responseContent == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1377 {
AzureIoTClient 0:fa2b00dcd9d4 1378 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_037: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
AzureIoTClient 0:fa2b00dcd9d4 1379 LogError("unable to BUFFER_new\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1380 }
AzureIoTClient 0:fa2b00dcd9d4 1381 else
AzureIoTClient 0:fa2b00dcd9d4 1382 {
AzureIoTClient 0:fa2b00dcd9d4 1383 unsigned int statusCode;
AzureIoTClient 0:fa2b00dcd9d4 1384 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_036: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
AzureIoTClient 0:fa2b00dcd9d4 1385 requestType: GET
AzureIoTClient 3:4e9296134ffb 1386 relativePath: the message HTTP relative path
AzureIoTClient 3:4e9296134ffb 1387 requestHttpHeadersHandle: message HTTP request headers created by _Create
AzureIoTClient 0:fa2b00dcd9d4 1388 requestContent: NULL
AzureIoTClient 0:fa2b00dcd9d4 1389 statusCode: a pointer to unsigned int which shall be later examined
AzureIoTClient 0:fa2b00dcd9d4 1390 responseHeadearsHandle: a new instance of HTTP headers
AzureIoTClient 0:fa2b00dcd9d4 1391 responseContent: a new instance of buffer]
AzureIoTClient 0:fa2b00dcd9d4 1392 */
AzureIoTClient 0:fa2b00dcd9d4 1393 if (HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 0:fa2b00dcd9d4 1394 handleData->sasObject,
AzureIoTClient 0:fa2b00dcd9d4 1395 handleData->httpApiExHandle,
AzureIoTClient 0:fa2b00dcd9d4 1396 HTTPAPI_REQUEST_GET, /*requestType: GET*/
AzureIoTClient 3:4e9296134ffb 1397 STRING_c_str(handleData->messageHTTPrelativePath), /*relativePath: the message HTTP relative path*/
AzureIoTClient 3:4e9296134ffb 1398 handleData->messageHTTPrequestHeaders, /*requestHttpHeadersHandle: message HTTP request headers created by _Create*/
AzureIoTClient 0:fa2b00dcd9d4 1399 NULL, /*requestContent: NULL*/
AzureIoTClient 0:fa2b00dcd9d4 1400 &statusCode, /*statusCode: a pointer to unsigned int which shall be later examined*/
AzureIoTClient 0:fa2b00dcd9d4 1401 responseHTTPHeaders, /*responseHeadearsHandle: a new instance of HTTP headers*/
AzureIoTClient 0:fa2b00dcd9d4 1402 responseContent /*responseContent: a new instance of buffer*/
AzureIoTClient 0:fa2b00dcd9d4 1403 )
AzureIoTClient 0:fa2b00dcd9d4 1404 != HTTPAPIEX_OK)
AzureIoTClient 0:fa2b00dcd9d4 1405 {
AzureIoTClient 0:fa2b00dcd9d4 1406 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_037: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
AzureIoTClient 0:fa2b00dcd9d4 1407 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1408 }
AzureIoTClient 0:fa2b00dcd9d4 1409 else
AzureIoTClient 0:fa2b00dcd9d4 1410 {
AzureIoTClient 0:fa2b00dcd9d4 1411 /*HTTP dialogue was succesfull*/
AzureIoTClient 0:fa2b00dcd9d4 1412 if (timeNow == (time_t)(-1))
AzureIoTClient 0:fa2b00dcd9d4 1413 {
AzureIoTClient 0:fa2b00dcd9d4 1414 handleData->isFirstPoll = true;
AzureIoTClient 0:fa2b00dcd9d4 1415 }
AzureIoTClient 0:fa2b00dcd9d4 1416 else
AzureIoTClient 0:fa2b00dcd9d4 1417 {
AzureIoTClient 0:fa2b00dcd9d4 1418 handleData->isFirstPoll = false;
AzureIoTClient 0:fa2b00dcd9d4 1419 handleData->lastPollTime = timeNow;
AzureIoTClient 0:fa2b00dcd9d4 1420 }
AzureIoTClient 0:fa2b00dcd9d4 1421 if (statusCode == 204)
AzureIoTClient 0:fa2b00dcd9d4 1422 {
AzureIoTClient 0:fa2b00dcd9d4 1423 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_038: [If the HTTPAPIEX_SAS_ExecuteRequest executed successfully then status code shall be examined. Any status code different than 200 causes _DoWork to advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 1424 /*this is an expected status code, means "no commands", but logging that creates panic*/
AzureIoTClient 0:fa2b00dcd9d4 1425
AzureIoTClient 0:fa2b00dcd9d4 1426 /*do nothing, advance to next action*/
AzureIoTClient 0:fa2b00dcd9d4 1427 }
AzureIoTClient 0:fa2b00dcd9d4 1428 else if (statusCode != 200)
AzureIoTClient 0:fa2b00dcd9d4 1429 {
AzureIoTClient 0:fa2b00dcd9d4 1430 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_038: [If the HTTPAPIEX_SAS_ExecuteRequest executed successfully then status code shall be examined. Any status code different than 200 causes _DoWork to advance to the next action.] */
AzureIoTClient 0:fa2b00dcd9d4 1431 LogError("expected status code was 200, but actually was received %u... moving on\r\n", statusCode);
AzureIoTClient 0:fa2b00dcd9d4 1432 }
AzureIoTClient 0:fa2b00dcd9d4 1433 else
AzureIoTClient 0:fa2b00dcd9d4 1434 {
AzureIoTClient 0:fa2b00dcd9d4 1435 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_039: [If status code is 200, then _DoWork shall make a copy of the value of the "ETag" http header.]*/
AzureIoTClient 0:fa2b00dcd9d4 1436 const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
AzureIoTClient 0:fa2b00dcd9d4 1437 if (etagValue == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1438 {
AzureIoTClient 0:fa2b00dcd9d4 1439 LogError("unable to find a received header called \"E-Tag\"\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1440 }
AzureIoTClient 0:fa2b00dcd9d4 1441 else
AzureIoTClient 0:fa2b00dcd9d4 1442 {
AzureIoTClient 0:fa2b00dcd9d4 1443 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_040: [If no such header is found or is invalid, then _DoWork shall advance to the next action.]*/
AzureIoTClient 0:fa2b00dcd9d4 1444 size_t etagsize = strlen(etagValue);
AzureIoTClient 0:fa2b00dcd9d4 1445 if (
AzureIoTClient 0:fa2b00dcd9d4 1446 (etagsize < 2) ||
AzureIoTClient 0:fa2b00dcd9d4 1447 (etagValue[0] != '"') ||
AzureIoTClient 0:fa2b00dcd9d4 1448 (etagValue[etagsize - 1] != '"')
AzureIoTClient 0:fa2b00dcd9d4 1449 )
AzureIoTClient 0:fa2b00dcd9d4 1450 {
AzureIoTClient 0:fa2b00dcd9d4 1451 LogError("ETag is not a valid quoted string\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1452 }
AzureIoTClient 0:fa2b00dcd9d4 1453 else
AzureIoTClient 0:fa2b00dcd9d4 1454 {
AzureIoTClient 0:fa2b00dcd9d4 1455 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_041: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] */
AzureIoTClient 0:fa2b00dcd9d4 1456 IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(BUFFER_u_char(responseContent), BUFFER_length(responseContent));
AzureIoTClient 0:fa2b00dcd9d4 1457 if (receivedMessage == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1458 {
AzureIoTClient 0:fa2b00dcd9d4 1459 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_042: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]*/
AzureIoTClient 0:fa2b00dcd9d4 1460 LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... \r\n");
AzureIoTClient 0:fa2b00dcd9d4 1461 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 0:fa2b00dcd9d4 1462 }
AzureIoTClient 0:fa2b00dcd9d4 1463 else
AzureIoTClient 0:fa2b00dcd9d4 1464 {
AzureIoTClient 0:fa2b00dcd9d4 1465 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_087: [All the HTTP headers of the form iothub-app-name:somecontent shall be transformed in message properties {name, somecontent}.]*/
AzureIoTClient 0:fa2b00dcd9d4 1466 size_t nHeaders;
AzureIoTClient 0:fa2b00dcd9d4 1467 if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 1468 {
AzureIoTClient 0:fa2b00dcd9d4 1469 LogError("unable to get the count of HTTP headers\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1470 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 0:fa2b00dcd9d4 1471 }
AzureIoTClient 0:fa2b00dcd9d4 1472 else
AzureIoTClient 0:fa2b00dcd9d4 1473 {
AzureIoTClient 0:fa2b00dcd9d4 1474 size_t i;
AzureIoTClient 0:fa2b00dcd9d4 1475 MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
AzureIoTClient 0:fa2b00dcd9d4 1476 for (i = 0; i < nHeaders; i++)
AzureIoTClient 0:fa2b00dcd9d4 1477 {
AzureIoTClient 0:fa2b00dcd9d4 1478 char* completeHeader;
AzureIoTClient 0:fa2b00dcd9d4 1479 if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
AzureIoTClient 0:fa2b00dcd9d4 1480 {
AzureIoTClient 0:fa2b00dcd9d4 1481 break;
AzureIoTClient 0:fa2b00dcd9d4 1482 }
AzureIoTClient 0:fa2b00dcd9d4 1483 else
AzureIoTClient 0:fa2b00dcd9d4 1484 {
AzureIoTClient 0:fa2b00dcd9d4 1485 if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
AzureIoTClient 0:fa2b00dcd9d4 1486 {
AzureIoTClient 0:fa2b00dcd9d4 1487 /*looks like a property headers*/
AzureIoTClient 0:fa2b00dcd9d4 1488 /*there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module*/
AzureIoTClient 0:fa2b00dcd9d4 1489 char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient 0:fa2b00dcd9d4 1490 *whereIsColon = '\0'; /*cut it down*/
AzureIoTClient 0:fa2b00dcd9d4 1491 if (Map_AddOrUpdate(properties, completeHeader + strlen(IOTHUB_APP_PREFIX), whereIsColon + 2) != MAP_OK) /*whereIsColon+1 is a space because HTTPEHADERS outputs a ": " between name and value*/
AzureIoTClient 0:fa2b00dcd9d4 1492 {
AzureIoTClient 0:fa2b00dcd9d4 1493 free(completeHeader);
AzureIoTClient 0:fa2b00dcd9d4 1494 break;
AzureIoTClient 0:fa2b00dcd9d4 1495 }
AzureIoTClient 0:fa2b00dcd9d4 1496 }
AzureIoTClient 0:fa2b00dcd9d4 1497 free(completeHeader);
AzureIoTClient 0:fa2b00dcd9d4 1498 }
AzureIoTClient 0:fa2b00dcd9d4 1499 }
AzureIoTClient 0:fa2b00dcd9d4 1500
AzureIoTClient 0:fa2b00dcd9d4 1501 if (i < nHeaders)
AzureIoTClient 0:fa2b00dcd9d4 1502 {
AzureIoTClient 0:fa2b00dcd9d4 1503 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 0:fa2b00dcd9d4 1504 }
AzureIoTClient 0:fa2b00dcd9d4 1505 else
AzureIoTClient 0:fa2b00dcd9d4 1506 {
AzureIoTClient 3:4e9296134ffb 1507 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_043: [Otherwise, _DoWork shall call IoTHubClient_LL_MessageCallback with parameters handle = iotHubClientHandle and message = newly created message.]*/
AzureIoTClient 3:4e9296134ffb 1508 IOTHUBMESSAGE_DISPOSITION_RESULT messageResult = IoTHubClient_LL_MessageCallback(iotHubClientHandle, receivedMessage);
AzureIoTClient 3:4e9296134ffb 1509 if (messageResult == IOTHUBMESSAGE_ACCEPTED)
AzureIoTClient 0:fa2b00dcd9d4 1510 {
AzureIoTClient 3:4e9296134ffb 1511 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_044: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ACCEPTED then _DoWork shall "accept" the message.]*/
AzureIoTClient 0:fa2b00dcd9d4 1512 abandonOrAcceptMessage(handle, etagValue, ACCEPT);
AzureIoTClient 0:fa2b00dcd9d4 1513 }
AzureIoTClient 3:4e9296134ffb 1514 else if (messageResult == IOTHUBMESSAGE_REJECTED)
AzureIoTClient 0:fa2b00dcd9d4 1515 {
AzureIoTClient 3:4e9296134ffb 1516 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_074: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_REJECTED then _DoWork shall "reject" the message.]*/
AzureIoTClient 0:fa2b00dcd9d4 1517 abandonOrAcceptMessage(handle, etagValue, REJECT);
AzureIoTClient 0:fa2b00dcd9d4 1518 }
AzureIoTClient 0:fa2b00dcd9d4 1519 else
AzureIoTClient 0:fa2b00dcd9d4 1520 {
AzureIoTClient 3:4e9296134ffb 1521 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_079: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ABANDONED then _DoWork shall "abandon" the message.] */
AzureIoTClient 0:fa2b00dcd9d4 1522 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 0:fa2b00dcd9d4 1523 }
AzureIoTClient 0:fa2b00dcd9d4 1524 }
AzureIoTClient 0:fa2b00dcd9d4 1525 }
AzureIoTClient 0:fa2b00dcd9d4 1526 IoTHubMessage_Destroy(receivedMessage);
AzureIoTClient 0:fa2b00dcd9d4 1527 }
AzureIoTClient 0:fa2b00dcd9d4 1528 }
AzureIoTClient 0:fa2b00dcd9d4 1529
AzureIoTClient 0:fa2b00dcd9d4 1530 }
AzureIoTClient 0:fa2b00dcd9d4 1531 }
AzureIoTClient 0:fa2b00dcd9d4 1532 }
AzureIoTClient 0:fa2b00dcd9d4 1533 BUFFER_delete(responseContent);
AzureIoTClient 0:fa2b00dcd9d4 1534 }
AzureIoTClient 0:fa2b00dcd9d4 1535 HTTPHeaders_Free(responseHTTPHeaders);
AzureIoTClient 0:fa2b00dcd9d4 1536 }
AzureIoTClient 0:fa2b00dcd9d4 1537 }
AzureIoTClient 0:fa2b00dcd9d4 1538 else
AzureIoTClient 0:fa2b00dcd9d4 1539 {
AzureIoTClient 0:fa2b00dcd9d4 1540 /*isPollingAllowed is false... */
AzureIoTClient 0:fa2b00dcd9d4 1541 /*do nothing "shall be ignored*/
AzureIoTClient 0:fa2b00dcd9d4 1542 }
AzureIoTClient 0:fa2b00dcd9d4 1543 }
AzureIoTClient 0:fa2b00dcd9d4 1544 }
AzureIoTClient 0:fa2b00dcd9d4 1545
AzureIoTClient 0:fa2b00dcd9d4 1546 void IoTHubTransportHttp_DoWork(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 0:fa2b00dcd9d4 1547 {
AzureIoTClient 0:fa2b00dcd9d4 1548 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_017: [If parameter handle is NULL or parameter iotHubClientHandle then IoTHubTransportHttp_DoWork shall immeditely return.]*/
AzureIoTClient 0:fa2b00dcd9d4 1549 if ((handle != NULL) && (iotHubClientHandle != NULL))
AzureIoTClient 0:fa2b00dcd9d4 1550 {
AzureIoTClient 0:fa2b00dcd9d4 1551 DoEvent(handle, iotHubClientHandle);
AzureIoTClient 3:4e9296134ffb 1552 DoMessages(handle, iotHubClientHandle);
AzureIoTClient 0:fa2b00dcd9d4 1553 }
AzureIoTClient 0:fa2b00dcd9d4 1554 }
AzureIoTClient 0:fa2b00dcd9d4 1555
AzureIoTClient 0:fa2b00dcd9d4 1556 IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 0:fa2b00dcd9d4 1557 {
AzureIoTClient 1:2ba812f3d9b7 1558 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 0:fa2b00dcd9d4 1559
AzureIoTClient 1:2ba812f3d9b7 1560 /* Codes_SRS_IOTHUBTRANSPORTTHTTP_09_001: [IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter] */
AzureIoTClient 1:2ba812f3d9b7 1561 if (handle == NULL)
AzureIoTClient 1:2ba812f3d9b7 1562 {
AzureIoTClient 1:2ba812f3d9b7 1563 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 1:2ba812f3d9b7 1564 LogError("Invalid handle to IoTHubClient HTTP transport instance.\r\n");
AzureIoTClient 1:2ba812f3d9b7 1565 }
AzureIoTClient 1:2ba812f3d9b7 1566 else if (iotHubClientStatus == NULL)
AzureIoTClient 1:2ba812f3d9b7 1567 {
AzureIoTClient 1:2ba812f3d9b7 1568 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 1:2ba812f3d9b7 1569 LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.\r\n");
AzureIoTClient 1:2ba812f3d9b7 1570 }
AzureIoTClient 1:2ba812f3d9b7 1571 else
AzureIoTClient 1:2ba812f3d9b7 1572 {
AzureIoTClient 1:2ba812f3d9b7 1573 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 0:fa2b00dcd9d4 1574
AzureIoTClient 1:2ba812f3d9b7 1575 /* Codes_SRS_IOTHUBTRANSPORTTHTTP_09_002: [IoTHubTransportHttp_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 1:2ba812f3d9b7 1576 if (!DList_IsListEmpty(handleData->waitingToSend))
AzureIoTClient 1:2ba812f3d9b7 1577 {
AzureIoTClient 1:2ba812f3d9b7 1578 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 1:2ba812f3d9b7 1579 }
AzureIoTClient 1:2ba812f3d9b7 1580 /* Codes_SRS_IOTHUBTRANSPORTTHTTP_09_003: [IoTHubTransportHttp_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 1:2ba812f3d9b7 1581 else
AzureIoTClient 1:2ba812f3d9b7 1582 {
AzureIoTClient 1:2ba812f3d9b7 1583 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 1:2ba812f3d9b7 1584 }
AzureIoTClient 0:fa2b00dcd9d4 1585
AzureIoTClient 1:2ba812f3d9b7 1586 result = IOTHUB_CLIENT_OK;
AzureIoTClient 1:2ba812f3d9b7 1587 }
AzureIoTClient 0:fa2b00dcd9d4 1588
AzureIoTClient 1:2ba812f3d9b7 1589 return result;
AzureIoTClient 0:fa2b00dcd9d4 1590 }
AzureIoTClient 0:fa2b00dcd9d4 1591
AzureIoTClient 0:fa2b00dcd9d4 1592 IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_HANDLE handle, const char* option, const void* value)
AzureIoTClient 0:fa2b00dcd9d4 1593 {
AzureIoTClient 0:fa2b00dcd9d4 1594 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 0:fa2b00dcd9d4 1595 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_080: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 0:fa2b00dcd9d4 1596 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_081: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 0:fa2b00dcd9d4 1597 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_082: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 0:fa2b00dcd9d4 1598 if (
AzureIoTClient 0:fa2b00dcd9d4 1599 (handle == NULL) ||
AzureIoTClient 0:fa2b00dcd9d4 1600 (option == NULL) ||
AzureIoTClient 0:fa2b00dcd9d4 1601 (value == NULL)
AzureIoTClient 0:fa2b00dcd9d4 1602 )
AzureIoTClient 0:fa2b00dcd9d4 1603 {
AzureIoTClient 0:fa2b00dcd9d4 1604 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:fa2b00dcd9d4 1605 LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1606 }
AzureIoTClient 0:fa2b00dcd9d4 1607 else
AzureIoTClient 0:fa2b00dcd9d4 1608 {
AzureIoTClient 0:fa2b00dcd9d4 1609 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 1:2ba812f3d9b7 1610 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_097: ["Batching"] */
AzureIoTClient 1:2ba812f3d9b7 1611 if (strcmp("Batching", option) == 0)
AzureIoTClient 0:fa2b00dcd9d4 1612 {
AzureIoTClient 0:fa2b00dcd9d4 1613 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_083: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] */
AzureIoTClient 0:fa2b00dcd9d4 1614 handleData->doBatchedTransfers = *(bool*)value;
AzureIoTClient 0:fa2b00dcd9d4 1615 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:fa2b00dcd9d4 1616 }
AzureIoTClient 1:2ba812f3d9b7 1617 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_114: ["MinimumPollingTime"] */
AzureIoTClient 1:2ba812f3d9b7 1618 else if (strcmp("MinimumPollingTime", option) == 0)
AzureIoTClient 0:fa2b00dcd9d4 1619 {
AzureIoTClient 0:fa2b00dcd9d4 1620 handleData->getMinimumPollingTime = *(unsigned int*)value;
AzureIoTClient 0:fa2b00dcd9d4 1621 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:fa2b00dcd9d4 1622 }
AzureIoTClient 0:fa2b00dcd9d4 1623 else
AzureIoTClient 0:fa2b00dcd9d4 1624 {
AzureIoTClient 0:fa2b00dcd9d4 1625 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_084: [Otherwise, IoTHubTransport_Http shall call HTTPAPIEX_SetOption with the same parameters and return the translated code.] */
AzureIoTClient 0:fa2b00dcd9d4 1626 HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
AzureIoTClient 0:fa2b00dcd9d4 1627 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_086: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] */
AzureIoTClient 0:fa2b00dcd9d4 1628 if (HTTPAPIEX_result == HTTPAPIEX_OK)
AzureIoTClient 0:fa2b00dcd9d4 1629 {
AzureIoTClient 0:fa2b00dcd9d4 1630 result = IOTHUB_CLIENT_OK;
AzureIoTClient 0:fa2b00dcd9d4 1631 }
AzureIoTClient 0:fa2b00dcd9d4 1632 else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
AzureIoTClient 0:fa2b00dcd9d4 1633 {
AzureIoTClient 0:fa2b00dcd9d4 1634 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 0:fa2b00dcd9d4 1635 LogError("HTTPAPIEX_SetOption failed\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1636 }
AzureIoTClient 0:fa2b00dcd9d4 1637 else
AzureIoTClient 0:fa2b00dcd9d4 1638 {
AzureIoTClient 0:fa2b00dcd9d4 1639 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 0:fa2b00dcd9d4 1640 LogError("HTTPAPIEX_SetOption failed\r\n");
AzureIoTClient 0:fa2b00dcd9d4 1641 }
AzureIoTClient 0:fa2b00dcd9d4 1642 }
AzureIoTClient 0:fa2b00dcd9d4 1643 }
AzureIoTClient 0:fa2b00dcd9d4 1644 return result;
AzureIoTClient 0:fa2b00dcd9d4 1645 }