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@6:73793bae15ba, 2015-10-22 (annotated)

Committer:
AzureIoTClient
Date:
Thu Oct 22 18:33:19 2015 -0700
Revision:
6:73793bae15ba
Child:
7:48f0f78cd3ef
v1.0.0-preview.4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 6:73793bae15ba 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 6:73793bae15ba 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 6:73793bae15ba 3
AzureIoTClient 6:73793bae15ba 4 #include <stdlib.h>
AzureIoTClient 6:73793bae15ba 5 #ifdef _CRTDBG_MAP_ALLOC
AzureIoTClient 6:73793bae15ba 6 #include <crtdbg.h>
AzureIoTClient 6:73793bae15ba 7 #endif
AzureIoTClient 6:73793bae15ba 8 #include "gballoc.h"
AzureIoTClient 6:73793bae15ba 9
AzureIoTClient 6:73793bae15ba 10 #include <time.h>
AzureIoTClient 6:73793bae15ba 11 #include "iothub_client_private.h"
AzureIoTClient 6:73793bae15ba 12 #include "iothubtransporthttp.h"
AzureIoTClient 6:73793bae15ba 13
AzureIoTClient 6:73793bae15ba 14 #include "httpapiexsas.h"
AzureIoTClient 6:73793bae15ba 15 #include "urlencode.h"
AzureIoTClient 6:73793bae15ba 16 #include "iot_logging.h"
AzureIoTClient 6:73793bae15ba 17 #include "httpapiex.h"
AzureIoTClient 6:73793bae15ba 18 #include "httpapiexsas.h"
AzureIoTClient 6:73793bae15ba 19 #include "strings.h"
AzureIoTClient 6:73793bae15ba 20 #include "base64.h"
AzureIoTClient 6:73793bae15ba 21 #include "doublylinkedlist.h"
AzureIoTClient 6:73793bae15ba 22 #include "httpheaders.h"
AzureIoTClient 6:73793bae15ba 23 #include "agenttime.h"
AzureIoTClient 6:73793bae15ba 24
AzureIoTClient 6:73793bae15ba 25 #define IOTHUB_APP_PREFIX "iothub-app-"
AzureIoTClient 6:73793bae15ba 26
AzureIoTClient 6:73793bae15ba 27 #define CONTENT_TYPE "Content-Type"
AzureIoTClient 6:73793bae15ba 28 #define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient 6:73793bae15ba 29 #define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient 6:73793bae15ba 30
AzureIoTClient 6:73793bae15ba 31 /*DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)*/
AzureIoTClient 6:73793bae15ba 32 /*the default is 25 minutes*/
AzureIoTClient 6:73793bae15ba 33 #define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient 6:73793bae15ba 34
AzureIoTClient 6:73793bae15ba 35 #define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient 6:73793bae15ba 36 #define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient 6:73793bae15ba 37 #define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient 6:73793bae15ba 38
AzureIoTClient 6:73793bae15ba 39 /*forward declaration*/
AzureIoTClient 6:73793bae15ba 40 static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient 6:73793bae15ba 41
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 43 static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient 6:73793bae15ba 44 {
AzureIoTClient 6:73793bae15ba 45 IoTHubTransportHttp_SetOption, /*pfIoTHubTransport_SetOption IoTHubTransport_SetOption; */
AzureIoTClient 6:73793bae15ba 46 IoTHubTransportHttp_Create, /*pfIoTHubTransport_Create IoTHubTransport_Create; */
AzureIoTClient 6:73793bae15ba 47 IoTHubTransportHttp_Destroy, /*pfIoTHubTransport_Destroy IoTHubTransport_Destroy; */
AzureIoTClient 6:73793bae15ba 48 IoTHubTransportHttp_Subscribe, /*pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe; */
AzureIoTClient 6:73793bae15ba 49 IoTHubTransportHttp_Unsubscribe, /*pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe; */
AzureIoTClient 6:73793bae15ba 50 IoTHubTransportHttp_DoWork, /*pfIoTHubTransport_DoWork IoTHubTransport_DoWork; */
AzureIoTClient 6:73793bae15ba 51 IoTHubTransportHttp_GetSendStatus /* pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus */
AzureIoTClient 6:73793bae15ba 52 };
AzureIoTClient 6:73793bae15ba 53
AzureIoTClient 6:73793bae15ba 54 const void* HTTP_Protocol(void)
AzureIoTClient 6:73793bae15ba 55 {
AzureIoTClient 6:73793bae15ba 56 return &thisTransportProvider;
AzureIoTClient 6:73793bae15ba 57 }
AzureIoTClient 6:73793bae15ba 58
AzureIoTClient 6:73793bae15ba 59 typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient 6:73793bae15ba 60 {
AzureIoTClient 6:73793bae15ba 61 STRING_HANDLE eventHTTPrelativePath;
AzureIoTClient 6:73793bae15ba 62 STRING_HANDLE messageHTTPrelativePath;
AzureIoTClient 6:73793bae15ba 63 HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
AzureIoTClient 6:73793bae15ba 64 STRING_HANDLE hostName;
AzureIoTClient 6:73793bae15ba 65 HTTPAPIEX_HANDLE httpApiExHandle;
AzureIoTClient 6:73793bae15ba 66 HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
AzureIoTClient 6:73793bae15ba 67 STRING_HANDLE abandonHTTPrelativePathBegin;
AzureIoTClient 6:73793bae15ba 68 HTTPAPIEX_SAS_HANDLE sasObject;
AzureIoTClient 6:73793bae15ba 69 bool DoWork_PullMessage;
AzureIoTClient 6:73793bae15ba 70 bool doBatchedTransfers;
AzureIoTClient 6:73793bae15ba 71 bool isFirstPoll;
AzureIoTClient 6:73793bae15ba 72 unsigned int getMinimumPollingTime;
AzureIoTClient 6:73793bae15ba 73 time_t lastPollTime;
AzureIoTClient 6:73793bae15ba 74 PDLIST_ENTRY waitingToSend;
AzureIoTClient 6:73793bae15ba 75 DLIST_ENTRY eventConfirmations; /*holds items for event confirmations*/
AzureIoTClient 6:73793bae15ba 76 }HTTPTRANSPORT_HANDLE_DATA;
AzureIoTClient 6:73793bae15ba 77
AzureIoTClient 6:73793bae15ba 78
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 80 static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 81 {
AzureIoTClient 6:73793bae15ba 82 STRING_delete(handleData->eventHTTPrelativePath);
AzureIoTClient 6:73793bae15ba 83 handleData->eventHTTPrelativePath = NULL;
AzureIoTClient 6:73793bae15ba 84 }
AzureIoTClient 6:73793bae15ba 85
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 87 static bool create_eventHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 88 {
AzureIoTClient 6:73793bae15ba 89 bool result;
AzureIoTClient 6:73793bae15ba 90 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 6:73793bae15ba 91 handleData->eventHTTPrelativePath = STRING_construct("/devices/");
AzureIoTClient 6:73793bae15ba 92 if (handleData->eventHTTPrelativePath == NULL)
AzureIoTClient 6:73793bae15ba 93 {
AzureIoTClient 6:73793bae15ba 94 result = false;
AzureIoTClient 6:73793bae15ba 95 }
AzureIoTClient 6:73793bae15ba 96 else if (!(
AzureIoTClient 6:73793bae15ba 97 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 6:73793bae15ba 98 (STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
AzureIoTClient 6:73793bae15ba 99 (STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
AzureIoTClient 6:73793bae15ba 100 ))
AzureIoTClient 6:73793bae15ba 101 {
AzureIoTClient 6:73793bae15ba 102 destroy_eventHTTPrelativePath(handleData);
AzureIoTClient 6:73793bae15ba 103 result = false;
AzureIoTClient 6:73793bae15ba 104 }
AzureIoTClient 6:73793bae15ba 105 else
AzureIoTClient 6:73793bae15ba 106 {
AzureIoTClient 6:73793bae15ba 107 result = true;
AzureIoTClient 6:73793bae15ba 108 }
AzureIoTClient 6:73793bae15ba 109 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 6:73793bae15ba 110 return result;
AzureIoTClient 6:73793bae15ba 111 }
AzureIoTClient 6:73793bae15ba 112
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 114 static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 115 {
AzureIoTClient 6:73793bae15ba 116 STRING_delete(handleData->messageHTTPrelativePath);
AzureIoTClient 6:73793bae15ba 117 handleData->messageHTTPrelativePath = NULL;
AzureIoTClient 6:73793bae15ba 118 }
AzureIoTClient 6:73793bae15ba 119
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 121 static bool create_messageHTTPrelativePath(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 122 {
AzureIoTClient 6:73793bae15ba 123 bool result;
AzureIoTClient 6:73793bae15ba 124 handleData->messageHTTPrelativePath = STRING_construct("/devices/");
AzureIoTClient 6:73793bae15ba 125 if (handleData->messageHTTPrelativePath == NULL)
AzureIoTClient 6:73793bae15ba 126 {
AzureIoTClient 6:73793bae15ba 127 result = false;
AzureIoTClient 6:73793bae15ba 128 }
AzureIoTClient 6:73793bae15ba 129 else
AzureIoTClient 6:73793bae15ba 130 {
AzureIoTClient 6:73793bae15ba 131 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 6:73793bae15ba 132 if (!(
AzureIoTClient 6:73793bae15ba 133 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 6:73793bae15ba 134 (STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
AzureIoTClient 6:73793bae15ba 135 (STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
AzureIoTClient 6:73793bae15ba 136 ))
AzureIoTClient 6:73793bae15ba 137 {
AzureIoTClient 6:73793bae15ba 138 result = false;
AzureIoTClient 6:73793bae15ba 139 destroy_messageHTTPrelativePath(handleData);
AzureIoTClient 6:73793bae15ba 140 }
AzureIoTClient 6:73793bae15ba 141 else
AzureIoTClient 6:73793bae15ba 142 {
AzureIoTClient 6:73793bae15ba 143 result = true;
AzureIoTClient 6:73793bae15ba 144 }
AzureIoTClient 6:73793bae15ba 145 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 6:73793bae15ba 146 }
AzureIoTClient 6:73793bae15ba 147
AzureIoTClient 6:73793bae15ba 148 return result;
AzureIoTClient 6:73793bae15ba 149 }
AzureIoTClient 6:73793bae15ba 150
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 152 "iothub-to":"/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events";
AzureIoTClient 6:73793bae15ba 153 "Authorization":" "
AzureIoTClient 6:73793bae15ba 154 "Content-Type":"application/vnd.microsoft.iothub.json"
AzureIoTClient 6:73793bae15ba 155 "Accept":"application/json"
AzureIoTClient 6:73793bae15ba 156 "Connection":"Keep-Alive"]*/
AzureIoTClient 6:73793bae15ba 157 static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 158 {
AzureIoTClient 6:73793bae15ba 159 HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
AzureIoTClient 6:73793bae15ba 160 handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient 6:73793bae15ba 161 }
AzureIoTClient 6:73793bae15ba 162
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 164 "iothub-to":"/devices/" + URL_ENCODED(config->upperConfig->deviceId) + "/messages/events";
AzureIoTClient 6:73793bae15ba 165 "Authorization":" "
AzureIoTClient 6:73793bae15ba 166 "Content-Type":"application/vnd.microsoft.iothub.json"
AzureIoTClient 6:73793bae15ba 167 "Accept":"application/json"
AzureIoTClient 6:73793bae15ba 168 "Connection":"Keep-Alive"]*/
AzureIoTClient 6:73793bae15ba 169 static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 170 {
AzureIoTClient 6:73793bae15ba 171 bool result;
AzureIoTClient 6:73793bae15ba 172 handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
AzureIoTClient 6:73793bae15ba 173 if (handleData->eventHTTPrequestHeaders == NULL)
AzureIoTClient 6:73793bae15ba 174 {
AzureIoTClient 6:73793bae15ba 175 result = false;
AzureIoTClient 6:73793bae15ba 176 }
AzureIoTClient 6:73793bae15ba 177 else
AzureIoTClient 6:73793bae15ba 178 {
AzureIoTClient 6:73793bae15ba 179 STRING_HANDLE temp = STRING_construct("/devices/");
AzureIoTClient 6:73793bae15ba 180 if (temp == NULL)
AzureIoTClient 6:73793bae15ba 181 {
AzureIoTClient 6:73793bae15ba 182 result = false;
AzureIoTClient 6:73793bae15ba 183 destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient 6:73793bae15ba 184 }
AzureIoTClient 6:73793bae15ba 185 else
AzureIoTClient 6:73793bae15ba 186 {
AzureIoTClient 6:73793bae15ba 187 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 6:73793bae15ba 188 if (!(
AzureIoTClient 6:73793bae15ba 189 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 6:73793bae15ba 190 (STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
AzureIoTClient 6:73793bae15ba 191 (STRING_concat(temp, EVENT_ENDPOINT) == 0)
AzureIoTClient 6:73793bae15ba 192 ))
AzureIoTClient 6:73793bae15ba 193 {
AzureIoTClient 6:73793bae15ba 194 result = false;
AzureIoTClient 6:73793bae15ba 195 destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient 6:73793bae15ba 196 }
AzureIoTClient 6:73793bae15ba 197 else
AzureIoTClient 6:73793bae15ba 198 {
AzureIoTClient 6:73793bae15ba 199 if (!(
AzureIoTClient 6:73793bae15ba 200 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient 6:73793bae15ba 201 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
AzureIoTClient 6:73793bae15ba 202 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
AzureIoTClient 6:73793bae15ba 203 (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 204 ))
AzureIoTClient 6:73793bae15ba 205 {
AzureIoTClient 6:73793bae15ba 206 result = false;
AzureIoTClient 6:73793bae15ba 207 destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient 6:73793bae15ba 208 }
AzureIoTClient 6:73793bae15ba 209 else
AzureIoTClient 6:73793bae15ba 210 {
AzureIoTClient 6:73793bae15ba 211 result = true;
AzureIoTClient 6:73793bae15ba 212 }
AzureIoTClient 6:73793bae15ba 213 }
AzureIoTClient 6:73793bae15ba 214 STRING_delete(temp);
AzureIoTClient 6:73793bae15ba 215 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 6:73793bae15ba 216 }
AzureIoTClient 6:73793bae15ba 217 }
AzureIoTClient 6:73793bae15ba 218 return result;
AzureIoTClient 6:73793bae15ba 219 }
AzureIoTClient 6:73793bae15ba 220
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 222 static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 223 {
AzureIoTClient 6:73793bae15ba 224 STRING_delete(handleData->hostName);
AzureIoTClient 6:73793bae15ba 225 handleData->hostName = NULL;
AzureIoTClient 6:73793bae15ba 226 }
AzureIoTClient 6:73793bae15ba 227
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 229 static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 230 {
AzureIoTClient 6:73793bae15ba 231 bool result;
AzureIoTClient 6:73793bae15ba 232 handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
AzureIoTClient 6:73793bae15ba 233 if (handleData->hostName == NULL)
AzureIoTClient 6:73793bae15ba 234 {
AzureIoTClient 6:73793bae15ba 235 result = false;
AzureIoTClient 6:73793bae15ba 236 }
AzureIoTClient 6:73793bae15ba 237 else
AzureIoTClient 6:73793bae15ba 238 {
AzureIoTClient 6:73793bae15ba 239 if ((STRING_concat(handleData->hostName, ".") != 0) ||
AzureIoTClient 6:73793bae15ba 240 (STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
AzureIoTClient 6:73793bae15ba 241 {
AzureIoTClient 6:73793bae15ba 242 destroy_hostName(handleData);
AzureIoTClient 6:73793bae15ba 243 result = false;
AzureIoTClient 6:73793bae15ba 244 }
AzureIoTClient 6:73793bae15ba 245 else
AzureIoTClient 6:73793bae15ba 246 {
AzureIoTClient 6:73793bae15ba 247 result = true;
AzureIoTClient 6:73793bae15ba 248 }
AzureIoTClient 6:73793bae15ba 249 }
AzureIoTClient 6:73793bae15ba 250 return result;
AzureIoTClient 6:73793bae15ba 251 }
AzureIoTClient 6:73793bae15ba 252
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 254 static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 255 {
AzureIoTClient 6:73793bae15ba 256 HTTPAPIEX_Destroy(handleData->httpApiExHandle);
AzureIoTClient 6:73793bae15ba 257 handleData->httpApiExHandle = NULL;
AzureIoTClient 6:73793bae15ba 258 }
AzureIoTClient 6:73793bae15ba 259
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 261 static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 262 {
AzureIoTClient 6:73793bae15ba 263 bool result;
AzureIoTClient 6:73793bae15ba 264 (void)config;
AzureIoTClient 6:73793bae15ba 265 handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
AzureIoTClient 6:73793bae15ba 266 if (handleData->httpApiExHandle == NULL)
AzureIoTClient 6:73793bae15ba 267 {
AzureIoTClient 6:73793bae15ba 268 result = false;
AzureIoTClient 6:73793bae15ba 269 }
AzureIoTClient 6:73793bae15ba 270 else
AzureIoTClient 6:73793bae15ba 271 {
AzureIoTClient 6:73793bae15ba 272 result = true;
AzureIoTClient 6:73793bae15ba 273 }
AzureIoTClient 6:73793bae15ba 274 return result;
AzureIoTClient 6:73793bae15ba 275 }
AzureIoTClient 6:73793bae15ba 276
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 278 "Authorization": " "]*/
AzureIoTClient 6:73793bae15ba 279 static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 280 {
AzureIoTClient 6:73793bae15ba 281 HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
AzureIoTClient 6:73793bae15ba 282 handleData->messageHTTPrequestHeaders = NULL;
AzureIoTClient 6:73793bae15ba 283 }
AzureIoTClient 6:73793bae15ba 284
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 286 "Authorization": " "]*/
AzureIoTClient 6:73793bae15ba 287 static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 288 {
AzureIoTClient 6:73793bae15ba 289 bool result;
AzureIoTClient 6:73793bae15ba 290 (void)config;
AzureIoTClient 6:73793bae15ba 291 handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
AzureIoTClient 6:73793bae15ba 292 if (handleData->messageHTTPrequestHeaders == NULL)
AzureIoTClient 6:73793bae15ba 293 {
AzureIoTClient 6:73793bae15ba 294 result = false;
AzureIoTClient 6:73793bae15ba 295 }
AzureIoTClient 6:73793bae15ba 296 else
AzureIoTClient 6:73793bae15ba 297 {
AzureIoTClient 6:73793bae15ba 298 if (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") != HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 299 {
AzureIoTClient 6:73793bae15ba 300 destroy_messageHTTPrequestHeaders(handleData);
AzureIoTClient 6:73793bae15ba 301 result = false;
AzureIoTClient 6:73793bae15ba 302 }
AzureIoTClient 6:73793bae15ba 303 else
AzureIoTClient 6:73793bae15ba 304 {
AzureIoTClient 6:73793bae15ba 305 result = true;
AzureIoTClient 6:73793bae15ba 306 }
AzureIoTClient 6:73793bae15ba 307 }
AzureIoTClient 6:73793bae15ba 308 return result;
AzureIoTClient 6:73793bae15ba 309 }
AzureIoTClient 6:73793bae15ba 310
AzureIoTClient 6:73793bae15ba 311 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_061: [Otherwise, IoTHubTransportHttp_Create shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin.] */
AzureIoTClient 6:73793bae15ba 312 static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 313 {
AzureIoTClient 6:73793bae15ba 314 STRING_delete(handleData->abandonHTTPrelativePathBegin);
AzureIoTClient 6:73793bae15ba 315 handleData->abandonHTTPrelativePathBegin = NULL;
AzureIoTClient 6:73793bae15ba 316 }
AzureIoTClient 6:73793bae15ba 317
AzureIoTClient 6:73793bae15ba 318 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_061: [Otherwise, IoTHubTransportHttp_Create shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin.] */
AzureIoTClient 6:73793bae15ba 319 static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 320 {
AzureIoTClient 6:73793bae15ba 321 bool result;
AzureIoTClient 6:73793bae15ba 322 handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
AzureIoTClient 6:73793bae15ba 323 if (handleData->abandonHTTPrelativePathBegin == NULL)
AzureIoTClient 6:73793bae15ba 324 {
AzureIoTClient 6:73793bae15ba 325 result = false;
AzureIoTClient 6:73793bae15ba 326 }
AzureIoTClient 6:73793bae15ba 327 else
AzureIoTClient 6:73793bae15ba 328 {
AzureIoTClient 6:73793bae15ba 329 STRING_HANDLE urlEncodedDeviceId = NULL;
AzureIoTClient 6:73793bae15ba 330 if (!(
AzureIoTClient 6:73793bae15ba 331 ((urlEncodedDeviceId = URL_EncodeString(config->upperConfig->deviceId)) != NULL) &&
AzureIoTClient 6:73793bae15ba 332 (STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
AzureIoTClient 6:73793bae15ba 333 (STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
AzureIoTClient 6:73793bae15ba 334 ))
AzureIoTClient 6:73793bae15ba 335 {
AzureIoTClient 6:73793bae15ba 336 LogError("unable to STRING_concat\r\n");
AzureIoTClient 6:73793bae15ba 337 STRING_delete(handleData->abandonHTTPrelativePathBegin);
AzureIoTClient 6:73793bae15ba 338 result = false;
AzureIoTClient 6:73793bae15ba 339 }
AzureIoTClient 6:73793bae15ba 340 else
AzureIoTClient 6:73793bae15ba 341 {
AzureIoTClient 6:73793bae15ba 342 result = true;
AzureIoTClient 6:73793bae15ba 343 }
AzureIoTClient 6:73793bae15ba 344 STRING_delete(urlEncodedDeviceId);
AzureIoTClient 6:73793bae15ba 345 }
AzureIoTClient 6:73793bae15ba 346 return result;
AzureIoTClient 6:73793bae15ba 347 }
AzureIoTClient 6:73793bae15ba 348
AzureIoTClient 6:73793bae15ba 349 static void destroy_SASObject(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient 6:73793bae15ba 350 {
AzureIoTClient 6:73793bae15ba 351 HTTPAPIEX_SAS_Destroy(handleData->sasObject);
AzureIoTClient 6:73793bae15ba 352 handleData->sasObject = NULL;
AzureIoTClient 6:73793bae15ba 353 }
AzureIoTClient 6:73793bae15ba 354
AzureIoTClient 6:73793bae15ba 355 static bool create_deviceSASObject(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 356 {
AzureIoTClient 6:73793bae15ba 357 STRING_HANDLE keyName;
AzureIoTClient 6:73793bae15ba 358 bool result;
AzureIoTClient 6:73793bae15ba 359 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_001: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]*/
AzureIoTClient 6:73793bae15ba 360 keyName = URL_EncodeString(config->upperConfig->deviceId);
AzureIoTClient 6:73793bae15ba 361 if (keyName == NULL)
AzureIoTClient 6:73793bae15ba 362 {
AzureIoTClient 6:73793bae15ba 363 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_002: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 364 result = false;
AzureIoTClient 6:73793bae15ba 365 }
AzureIoTClient 6:73793bae15ba 366 else
AzureIoTClient 6:73793bae15ba 367 {
AzureIoTClient 6:73793bae15ba 368 STRING_HANDLE uriResource;
AzureIoTClient 6:73793bae15ba 369 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_003: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]*/
AzureIoTClient 6:73793bae15ba 370 uriResource = STRING_clone(handleData->hostName);
AzureIoTClient 6:73793bae15ba 371 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_004: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 372 if (uriResource != NULL)
AzureIoTClient 6:73793bae15ba 373 {
AzureIoTClient 6:73793bae15ba 374 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_005: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]*/
AzureIoTClient 6:73793bae15ba 375 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_006: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 376 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_007: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]*/
AzureIoTClient 6:73793bae15ba 377 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_008: [If the STRING_concat_with_STRING fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 378 if ((STRING_concat(uriResource, "/devices/") == 0) &&
AzureIoTClient 6:73793bae15ba 379 (STRING_concat_with_STRING(uriResource, keyName) == 0))
AzureIoTClient 6:73793bae15ba 380 {
AzureIoTClient 6:73793bae15ba 381 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_009: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]*/
AzureIoTClient 6:73793bae15ba 382 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_010: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 383 STRING_HANDLE key = STRING_construct(config->upperConfig->deviceKey);
AzureIoTClient 6:73793bae15ba 384 if (key != NULL)
AzureIoTClient 6:73793bae15ba 385 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 387 if (STRING_empty(keyName) != 0)
AzureIoTClient 6:73793bae15ba 388 {
AzureIoTClient 6:73793bae15ba 389 LogError("Unable to form the device key name for the SAS\r\n");
AzureIoTClient 6:73793bae15ba 390 result = false;
AzureIoTClient 6:73793bae15ba 391 }
AzureIoTClient 6:73793bae15ba 392 else
AzureIoTClient 6:73793bae15ba 393 {
AzureIoTClient 6:73793bae15ba 394 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_011: [IoTHubTransportHttp_Create shall invoke HTTPAPIEX_SAS_Create with arguments key, uriResource, and zero length keyName.]*/
AzureIoTClient 6:73793bae15ba 395 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_06_012: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 396 handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
AzureIoTClient 6:73793bae15ba 397 result = (handleData->sasObject != NULL) ? (true) : (false);
AzureIoTClient 6:73793bae15ba 398 }
AzureIoTClient 6:73793bae15ba 399 STRING_delete(key);
AzureIoTClient 6:73793bae15ba 400 }
AzureIoTClient 6:73793bae15ba 401 else
AzureIoTClient 6:73793bae15ba 402 {
AzureIoTClient 6:73793bae15ba 403 result = false;
AzureIoTClient 6:73793bae15ba 404 }
AzureIoTClient 6:73793bae15ba 405 }
AzureIoTClient 6:73793bae15ba 406 else
AzureIoTClient 6:73793bae15ba 407 {
AzureIoTClient 6:73793bae15ba 408 result = false;
AzureIoTClient 6:73793bae15ba 409 }
AzureIoTClient 6:73793bae15ba 410 STRING_delete(uriResource);
AzureIoTClient 6:73793bae15ba 411 }
AzureIoTClient 6:73793bae15ba 412 else
AzureIoTClient 6:73793bae15ba 413 {
AzureIoTClient 6:73793bae15ba 414 result = false;
AzureIoTClient 6:73793bae15ba 415 }
AzureIoTClient 6:73793bae15ba 416 STRING_delete(keyName);
AzureIoTClient 6:73793bae15ba 417 }
AzureIoTClient 6:73793bae15ba 418 return result;
AzureIoTClient 6:73793bae15ba 419 }
AzureIoTClient 6:73793bae15ba 420
AzureIoTClient 6:73793bae15ba 421 TRANSPORT_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 6:73793bae15ba 422 {
AzureIoTClient 6:73793bae15ba 423 HTTPTRANSPORT_HANDLE_DATA* result;
AzureIoTClient 6:73793bae15ba 424 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_001: [If parameter config is NULL then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 6:73793bae15ba 425 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_002: [IoTHubTransportHttp_Create shall fail and return NULL if any fields of the config structure are NULL.] */
AzureIoTClient 6:73793bae15ba 426 if (config == NULL)
AzureIoTClient 6:73793bae15ba 427 {
AzureIoTClient 6:73793bae15ba 428 LogError("invalid arg (configuration is missing)\r\n");
AzureIoTClient 6:73793bae15ba 429 result = NULL;
AzureIoTClient 6:73793bae15ba 430 }
AzureIoTClient 6:73793bae15ba 431 else if (config->upperConfig == NULL)
AzureIoTClient 6:73793bae15ba 432 {
AzureIoTClient 6:73793bae15ba 433 LogError("invalid arg (upperConfig is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 434 result = NULL;
AzureIoTClient 6:73793bae15ba 435 }
AzureIoTClient 6:73793bae15ba 436 else if (config->waitingToSend == NULL)
AzureIoTClient 6:73793bae15ba 437 {
AzureIoTClient 6:73793bae15ba 438 LogError("invalid arg (waitingToSend is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 439 result = NULL;
AzureIoTClient 6:73793bae15ba 440 }
AzureIoTClient 6:73793bae15ba 441 else if (config->upperConfig->protocol == NULL)
AzureIoTClient 6:73793bae15ba 442 {
AzureIoTClient 6:73793bae15ba 443 LogError("invalid arg (protocol is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 444 result = NULL;
AzureIoTClient 6:73793bae15ba 445 }
AzureIoTClient 6:73793bae15ba 446 else if (config->upperConfig->deviceId == NULL)
AzureIoTClient 6:73793bae15ba 447 {
AzureIoTClient 6:73793bae15ba 448 LogError("invalid arg (deviceId is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 449 result = NULL;
AzureIoTClient 6:73793bae15ba 450 }
AzureIoTClient 6:73793bae15ba 451 else if (config->upperConfig->iotHubName == NULL)
AzureIoTClient 6:73793bae15ba 452 {
AzureIoTClient 6:73793bae15ba 453 LogError("invalid arg (iotHubName is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 454 result = NULL;
AzureIoTClient 6:73793bae15ba 455 }
AzureIoTClient 6:73793bae15ba 456 else if (config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient 6:73793bae15ba 457 {
AzureIoTClient 6:73793bae15ba 458 LogError("invalid arg (iotHubSuffix is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 459 result = NULL;
AzureIoTClient 6:73793bae15ba 460 }
AzureIoTClient 6:73793bae15ba 461 else if (config->upperConfig->deviceKey == NULL)
AzureIoTClient 6:73793bae15ba 462 {
AzureIoTClient 6:73793bae15ba 463 LogError("invalid arg (deviceKey is NULL)\r\n");
AzureIoTClient 6:73793bae15ba 464 result = NULL;
AzureIoTClient 6:73793bae15ba 465 }
AzureIoTClient 6:73793bae15ba 466 else
AzureIoTClient 6:73793bae15ba 467 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 469 result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
AzureIoTClient 6:73793bae15ba 470 if (result == NULL)
AzureIoTClient 6:73793bae15ba 471 {
AzureIoTClient 6:73793bae15ba 472 LogError("unable to malloc\r\n");
AzureIoTClient 6:73793bae15ba 473 }
AzureIoTClient 6:73793bae15ba 474 else
AzureIoTClient 6:73793bae15ba 475 {
AzureIoTClient 6:73793bae15ba 476 bool was_eventHTTPrelativePath_ok = create_eventHTTPrelativePath(result, config);
AzureIoTClient 6:73793bae15ba 477 bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, config);
AzureIoTClient 6:73793bae15ba 478 bool was_eventHTTPrequestHeaders_ok = was_messageHTTPrelativePath_ok && create_eventHTTPrequestHeaders(result, config);
AzureIoTClient 6:73793bae15ba 479 bool was_hostName_ok = was_eventHTTPrequestHeaders_ok && create_hostName(result, config);
AzureIoTClient 6:73793bae15ba 480 bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
AzureIoTClient 6:73793bae15ba 481 bool was_messageHTTPrequestHeaders_ok = was_httpApiExHandle_ok && create_messageHTTPrequestHeaders(result, config);
AzureIoTClient 6:73793bae15ba 482 bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, config);
AzureIoTClient 6:73793bae15ba 483 bool was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, config);
AzureIoTClient 6:73793bae15ba 484
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 486 if (was_sasObject_ok)
AzureIoTClient 6:73793bae15ba 487 {
AzureIoTClient 6:73793bae15ba 488 result->DoWork_PullMessage = false;
AzureIoTClient 6:73793bae15ba 489 result->doBatchedTransfers = false;
AzureIoTClient 6:73793bae15ba 490 result->isFirstPoll = true;
AzureIoTClient 6:73793bae15ba 491 result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
AzureIoTClient 6:73793bae15ba 492 result->waitingToSend = config->waitingToSend;
AzureIoTClient 6:73793bae15ba 493 DList_InitializeListHead(&(result->eventConfirmations));
AzureIoTClient 6:73793bae15ba 494 }
AzureIoTClient 6:73793bae15ba 495 else
AzureIoTClient 6:73793bae15ba 496 {
AzureIoTClient 6:73793bae15ba 497 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_004: [If creating the string fail for any reason then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 6:73793bae15ba 498 if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
AzureIoTClient 6:73793bae15ba 499 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_035: [If creating the message HTTP relative path fails, then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 6:73793bae15ba 500 if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
AzureIoTClient 6:73793bae15ba 501 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_006: [If creating the event HTTP request headers fails, then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 6:73793bae15ba 502 if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
AzureIoTClient 6:73793bae15ba 503 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_008: [If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 6:73793bae15ba 504 if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient 6:73793bae15ba 505 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_010: [If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL.] */
AzureIoTClient 6:73793bae15ba 506 if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
AzureIoTClient 6:73793bae15ba 507 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_060: [If creating message HTTP request headers then IoTHubTransportHttp_Create shall fail and return NULL.]*/
AzureIoTClient 6:73793bae15ba 508 if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
AzureIoTClient 6:73793bae15ba 509 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_062: [If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Create shall fail and return NULL] */
AzureIoTClient 6:73793bae15ba 510 if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
AzureIoTClient 6:73793bae15ba 511
AzureIoTClient 6:73793bae15ba 512 free(result);
AzureIoTClient 6:73793bae15ba 513 result = NULL;
AzureIoTClient 6:73793bae15ba 514 }
AzureIoTClient 6:73793bae15ba 515 }
AzureIoTClient 6:73793bae15ba 516 }
AzureIoTClient 6:73793bae15ba 517 return result;
AzureIoTClient 6:73793bae15ba 518 }
AzureIoTClient 6:73793bae15ba 519
AzureIoTClient 6:73793bae15ba 520 void IoTHubTransportHttp_Destroy(TRANSPORT_HANDLE handle)
AzureIoTClient 6:73793bae15ba 521 {
AzureIoTClient 6:73793bae15ba 522 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_012: [IoTHubTransportHttp_Destroy shall do nothing if parameter handle is NULL.]*/
AzureIoTClient 6:73793bae15ba 523 if (handle != NULL)
AzureIoTClient 6:73793bae15ba 524 {
AzureIoTClient 6:73793bae15ba 525 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_013: [Otherwise IoTHubTransportHttp_Destroy shall free all the resources currently in use.] */
AzureIoTClient 6:73793bae15ba 526 destroy_eventHTTPrelativePath(handle);
AzureIoTClient 6:73793bae15ba 527 destroy_messageHTTPrelativePath(handle);
AzureIoTClient 6:73793bae15ba 528 destroy_eventHTTPrequestHeaders(handle);
AzureIoTClient 6:73793bae15ba 529 destroy_hostName(handle);
AzureIoTClient 6:73793bae15ba 530 destroy_httpApiExHandle(handle);
AzureIoTClient 6:73793bae15ba 531 destroy_messageHTTPrequestHeaders(handle);
AzureIoTClient 6:73793bae15ba 532 destroy_abandonHTTPrelativePathBegin(handle);
AzureIoTClient 6:73793bae15ba 533 destroy_SASObject(handle);
AzureIoTClient 6:73793bae15ba 534 free(handle);
AzureIoTClient 6:73793bae15ba 535 }
AzureIoTClient 6:73793bae15ba 536 }
AzureIoTClient 6:73793bae15ba 537
AzureIoTClient 6:73793bae15ba 538 int IoTHubTransportHttp_Subscribe(TRANSPORT_HANDLE handle)
AzureIoTClient 6:73793bae15ba 539 {
AzureIoTClient 6:73793bae15ba 540 int result;
AzureIoTClient 6:73793bae15ba 541 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_014: [If parameter handle is NULL then IoTHubTransportHttp_Subscribe shall fail and return a non-zero value.] */
AzureIoTClient 6:73793bae15ba 542 if (handle == NULL)
AzureIoTClient 6:73793bae15ba 543 {
AzureIoTClient 6:73793bae15ba 544 LogError("invalid arg passed to IoTHubTransportHttp_Subscribe\r\n");
AzureIoTClient 6:73793bae15ba 545 result = __LINE__;
AzureIoTClient 6:73793bae15ba 546 }
AzureIoTClient 6:73793bae15ba 547 else
AzureIoTClient 6:73793bae15ba 548 {
AzureIoTClient 6:73793bae15ba 549 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_056: [Otherwise, IoTHubTransportHttp_Subscribe shall set the flag called DoWork_PullMessages to true and succeed.] */
AzureIoTClient 6:73793bae15ba 550 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 6:73793bae15ba 551 handleData->DoWork_PullMessage = true;
AzureIoTClient 6:73793bae15ba 552 result = 0;
AzureIoTClient 6:73793bae15ba 553 }
AzureIoTClient 6:73793bae15ba 554 return result;
AzureIoTClient 6:73793bae15ba 555 }
AzureIoTClient 6:73793bae15ba 556
AzureIoTClient 6:73793bae15ba 557 void IoTHubTransportHttp_Unsubscribe(TRANSPORT_HANDLE handle)
AzureIoTClient 6:73793bae15ba 558 {
AzureIoTClient 6:73793bae15ba 559 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_016: [If parameter handle is NULL then IoTHubTransportHttp_Unsubscribe shall do nothing.] */
AzureIoTClient 6:73793bae15ba 560 if (handle != NULL)
AzureIoTClient 6:73793bae15ba 561 {
AzureIoTClient 6:73793bae15ba 562 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 6:73793bae15ba 563 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_058: [Otherwise it shall set the flag DoWork_PullMessage to false.] */
AzureIoTClient 6:73793bae15ba 564 handleData->DoWork_PullMessage = false;
AzureIoTClient 6:73793bae15ba 565 }
AzureIoTClient 6:73793bae15ba 566 }
AzureIoTClient 6:73793bae15ba 567
AzureIoTClient 6:73793bae15ba 568 /*produces a representation of the properties, if they exist*/
AzureIoTClient 6:73793bae15ba 569 /*if they do not exist, produces ""*/
AzureIoTClient 6:73793bae15ba 570 static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient 6:73793bae15ba 571 {
AzureIoTClient 6:73793bae15ba 572 int result;
AzureIoTClient 6:73793bae15ba 573 const char*const* keys;
AzureIoTClient 6:73793bae15ba 574 const char*const* values;
AzureIoTClient 6:73793bae15ba 575 size_t count;
AzureIoTClient 6:73793bae15ba 576 if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
AzureIoTClient 6:73793bae15ba 577 {
AzureIoTClient 6:73793bae15ba 578 result = __LINE__;
AzureIoTClient 6:73793bae15ba 579 LogError("error while Map_GetInternals\r\n");
AzureIoTClient 6:73793bae15ba 580 }
AzureIoTClient 6:73793bae15ba 581 else
AzureIoTClient 6:73793bae15ba 582 {
AzureIoTClient 6:73793bae15ba 583
AzureIoTClient 6:73793bae15ba 584 if (count == 0)
AzureIoTClient 6:73793bae15ba 585 {
AzureIoTClient 6:73793bae15ba 586 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_076: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload*/
AzureIoTClient 6:73793bae15ba 587 /*no properties - do nothing with existing*/
AzureIoTClient 6:73793bae15ba 588 result = 0;
AzureIoTClient 6:73793bae15ba 589 *propertiesMessageSizeContribution = 0;
AzureIoTClient 6:73793bae15ba 590 }
AzureIoTClient 6:73793bae15ba 591 else
AzureIoTClient 6:73793bae15ba 592 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 594 if (STRING_concat(existing, ",\"properties\":") != 0)
AzureIoTClient 6:73793bae15ba 595 {
AzureIoTClient 6:73793bae15ba 596 /*go ahead and return it*/
AzureIoTClient 6:73793bae15ba 597 result = __LINE__;
AzureIoTClient 6:73793bae15ba 598 LogError("failed STRING_concat\r\n");
AzureIoTClient 6:73793bae15ba 599 }
AzureIoTClient 6:73793bae15ba 600 else if (appendMapToJSON(existing, keys, values, count) != 0)
AzureIoTClient 6:73793bae15ba 601 {
AzureIoTClient 6:73793bae15ba 602 result = __LINE__;
AzureIoTClient 6:73793bae15ba 603 LogError("unable to append the properties\r\n");
AzureIoTClient 6:73793bae15ba 604 }
AzureIoTClient 6:73793bae15ba 605 else
AzureIoTClient 6:73793bae15ba 606 {
AzureIoTClient 6:73793bae15ba 607 /*all is fine*/
AzureIoTClient 6:73793bae15ba 608 size_t i;
AzureIoTClient 6:73793bae15ba 609 *propertiesMessageSizeContribution = 0;
AzureIoTClient 6:73793bae15ba 610 for (i = 0;i < count;i++)
AzureIoTClient 6:73793bae15ba 611 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 613 *propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
AzureIoTClient 6:73793bae15ba 614 }
AzureIoTClient 6:73793bae15ba 615 result = 0;
AzureIoTClient 6:73793bae15ba 616 }
AzureIoTClient 6:73793bae15ba 617 }
AzureIoTClient 6:73793bae15ba 618 }
AzureIoTClient 6:73793bae15ba 619 return result;
AzureIoTClient 6:73793bae15ba 620 }
AzureIoTClient 6:73793bae15ba 621
AzureIoTClient 6:73793bae15ba 622 /*produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}*/
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 624 {
AzureIoTClient 6:73793bae15ba 625 int result;
AzureIoTClient 6:73793bae15ba 626 if (STRING_concat(existing, "{") != 0)
AzureIoTClient 6:73793bae15ba 627 {
AzureIoTClient 6:73793bae15ba 628 /*go on and return it*/
AzureIoTClient 6:73793bae15ba 629 result = __LINE__;
AzureIoTClient 6:73793bae15ba 630 LogError("STRING_construct failed\r\n");
AzureIoTClient 6:73793bae15ba 631 }
AzureIoTClient 6:73793bae15ba 632 else
AzureIoTClient 6:73793bae15ba 633 {
AzureIoTClient 6:73793bae15ba 634 size_t i;
AzureIoTClient 6:73793bae15ba 635 for (i = 0; i < count; i++)
AzureIoTClient 6:73793bae15ba 636 {
AzureIoTClient 6:73793bae15ba 637 if (!(
AzureIoTClient 6:73793bae15ba 638 (STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
AzureIoTClient 6:73793bae15ba 639 (STRING_concat(existing, keys[i]) == 0) &&
AzureIoTClient 6:73793bae15ba 640 (STRING_concat(existing, "\":\"") == 0) &&
AzureIoTClient 6:73793bae15ba 641 (STRING_concat(existing, values[i]) == 0) &&
AzureIoTClient 6:73793bae15ba 642 (STRING_concat(existing, "\"") == 0)
AzureIoTClient 6:73793bae15ba 643 ))
AzureIoTClient 6:73793bae15ba 644 {
AzureIoTClient 6:73793bae15ba 645 LogError("unable to STRING_concat\r\n");
AzureIoTClient 6:73793bae15ba 646 break;
AzureIoTClient 6:73793bae15ba 647 }
AzureIoTClient 6:73793bae15ba 648 }
AzureIoTClient 6:73793bae15ba 649
AzureIoTClient 6:73793bae15ba 650 if (i < count)
AzureIoTClient 6:73793bae15ba 651 {
AzureIoTClient 6:73793bae15ba 652 result = __LINE__;
AzureIoTClient 6:73793bae15ba 653 /*error, let it go through*/
AzureIoTClient 6:73793bae15ba 654 }
AzureIoTClient 6:73793bae15ba 655 else if (STRING_concat(existing, "}") != 0)
AzureIoTClient 6:73793bae15ba 656 {
AzureIoTClient 6:73793bae15ba 657 result = __LINE__;
AzureIoTClient 6:73793bae15ba 658 LogError("unable to STRING_concat\r\n");
AzureIoTClient 6:73793bae15ba 659 }
AzureIoTClient 6:73793bae15ba 660 else
AzureIoTClient 6:73793bae15ba 661 {
AzureIoTClient 6:73793bae15ba 662 /*all is fine*/
AzureIoTClient 6:73793bae15ba 663 result = 0;
AzureIoTClient 6:73793bae15ba 664 }
AzureIoTClient 6:73793bae15ba 665 }
AzureIoTClient 6:73793bae15ba 666 return result;
AzureIoTClient 6:73793bae15ba 667 }
AzureIoTClient 6:73793bae15ba 668
AzureIoTClient 6:73793bae15ba 669 /*makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}*/
AzureIoTClient 6:73793bae15ba 670 /*return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data*/
AzureIoTClient 6:73793bae15ba 671 static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient 6:73793bae15ba 672 {
AzureIoTClient 6:73793bae15ba 673 STRING_HANDLE result; /*temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}*/
AzureIoTClient 6:73793bae15ba 674 IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 6:73793bae15ba 675 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient 6:73793bae15ba 676
AzureIoTClient 6:73793bae15ba 677 switch (contentType)
AzureIoTClient 6:73793bae15ba 678 {
AzureIoTClient 6:73793bae15ba 679 case IOTHUBMESSAGE_BYTEARRAY:
AzureIoTClient 6:73793bae15ba 680 {
AzureIoTClient 6:73793bae15ba 681 result = STRING_construct("{\"body\":\"");
AzureIoTClient 6:73793bae15ba 682 if (result == NULL)
AzureIoTClient 6:73793bae15ba 683 {
AzureIoTClient 6:73793bae15ba 684 LogError("unable to STRING_construct\r\n");
AzureIoTClient 6:73793bae15ba 685 }
AzureIoTClient 6:73793bae15ba 686 else
AzureIoTClient 6:73793bae15ba 687 {
AzureIoTClient 6:73793bae15ba 688 const unsigned char* source;
AzureIoTClient 6:73793bae15ba 689 size_t size;
AzureIoTClient 6:73793bae15ba 690
AzureIoTClient 6:73793bae15ba 691 if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
AzureIoTClient 6:73793bae15ba 692 {
AzureIoTClient 6:73793bae15ba 693 LogError("unable to get the data for the message.\r\n");
AzureIoTClient 6:73793bae15ba 694 STRING_delete(result);
AzureIoTClient 6:73793bae15ba 695 result = NULL;
AzureIoTClient 6:73793bae15ba 696 }
AzureIoTClient 6:73793bae15ba 697 else
AzureIoTClient 6:73793bae15ba 698 {
AzureIoTClient 6:73793bae15ba 699 STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
AzureIoTClient 6:73793bae15ba 700 if (encoded == NULL)
AzureIoTClient 6:73793bae15ba 701 {
AzureIoTClient 6:73793bae15ba 702 LogError("unable to Base64_Encode_Bytes.\r\n");
AzureIoTClient 6:73793bae15ba 703 STRING_delete(result);
AzureIoTClient 6:73793bae15ba 704 result = NULL;
AzureIoTClient 6:73793bae15ba 705 }
AzureIoTClient 6:73793bae15ba 706 else
AzureIoTClient 6:73793bae15ba 707 {
AzureIoTClient 6:73793bae15ba 708 size_t propertiesSize;
AzureIoTClient 6:73793bae15ba 709 if (!(
AzureIoTClient 6:73793bae15ba 710 (STRING_concat_with_STRING(result, encoded) == 0) &&
AzureIoTClient 6:73793bae15ba 711 (STRING_concat(result, "\"") == 0) && /*\" because closing value*/
AzureIoTClient 6:73793bae15ba 712 (concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 714 ))
AzureIoTClient 6:73793bae15ba 715 {
AzureIoTClient 6:73793bae15ba 716 STRING_delete(result);
AzureIoTClient 6:73793bae15ba 717 result = NULL;
AzureIoTClient 6:73793bae15ba 718 LogError("unable to STRING_concat_with_STRING.\r\n");
AzureIoTClient 6:73793bae15ba 719 }
AzureIoTClient 6:73793bae15ba 720 else
AzureIoTClient 6:73793bae15ba 721 {
AzureIoTClient 6:73793bae15ba 722 /*all is fine... */
AzureIoTClient 6:73793bae15ba 723 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_119: [The message size is computed from the length of the payload + 384.] */
AzureIoTClient 6:73793bae15ba 724 *messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
AzureIoTClient 6:73793bae15ba 725 }
AzureIoTClient 6:73793bae15ba 726 STRING_delete(encoded);
AzureIoTClient 6:73793bae15ba 727 }
AzureIoTClient 6:73793bae15ba 728 }
AzureIoTClient 6:73793bae15ba 729 }
AzureIoTClient 6:73793bae15ba 730 break;
AzureIoTClient 6:73793bae15ba 731 }
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 733 case IOTHUBMESSAGE_STRING:
AzureIoTClient 6:73793bae15ba 734 {
AzureIoTClient 6:73793bae15ba 735 result = STRING_construct("{\"body\":");
AzureIoTClient 6:73793bae15ba 736 if (result == NULL)
AzureIoTClient 6:73793bae15ba 737 {
AzureIoTClient 6:73793bae15ba 738 LogError("unable to STRING_construct\r\n");
AzureIoTClient 6:73793bae15ba 739 }
AzureIoTClient 6:73793bae15ba 740 else
AzureIoTClient 6:73793bae15ba 741 {
AzureIoTClient 6:73793bae15ba 742 const char* source = IoTHubMessage_GetString(message->messageHandle);
AzureIoTClient 6:73793bae15ba 743 if (source == NULL)
AzureIoTClient 6:73793bae15ba 744 {
AzureIoTClient 6:73793bae15ba 745 LogError("unable to IoTHubMessage_GetString\r\n");
AzureIoTClient 6:73793bae15ba 746 STRING_delete(result);
AzureIoTClient 6:73793bae15ba 747 result = NULL;
AzureIoTClient 6:73793bae15ba 748 }
AzureIoTClient 6:73793bae15ba 749 else
AzureIoTClient 6:73793bae15ba 750 {
AzureIoTClient 6:73793bae15ba 751 STRING_HANDLE asJson = STRING_new_JSON(source);
AzureIoTClient 6:73793bae15ba 752 if (asJson == NULL)
AzureIoTClient 6:73793bae15ba 753 {
AzureIoTClient 6:73793bae15ba 754 LogError("unable to STRING_new_JSON\r\n");
AzureIoTClient 6:73793bae15ba 755 STRING_delete(result);
AzureIoTClient 6:73793bae15ba 756 result = NULL;
AzureIoTClient 6:73793bae15ba 757 }
AzureIoTClient 6:73793bae15ba 758 else
AzureIoTClient 6:73793bae15ba 759 {
AzureIoTClient 6:73793bae15ba 760 size_t propertiesSize;
AzureIoTClient 6:73793bae15ba 761 if (!(
AzureIoTClient 6:73793bae15ba 762 (STRING_concat_with_STRING(result, asJson) == 0) &&
AzureIoTClient 6:73793bae15ba 763 (STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
AzureIoTClient 6:73793bae15ba 764 (concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 766 ))
AzureIoTClient 6:73793bae15ba 767 {
AzureIoTClient 6:73793bae15ba 768 LogError("unable to STRING_concat_with_STRING");
AzureIoTClient 6:73793bae15ba 769 STRING_delete(result);
AzureIoTClient 6:73793bae15ba 770 result = NULL;
AzureIoTClient 6:73793bae15ba 771 }
AzureIoTClient 6:73793bae15ba 772 else
AzureIoTClient 6:73793bae15ba 773 {
AzureIoTClient 6:73793bae15ba 774 /*result has the intended content*/
AzureIoTClient 6:73793bae15ba 775 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_119: [The message size is computed from the length of the payload + 384.] */
AzureIoTClient 6:73793bae15ba 776 *messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
AzureIoTClient 6:73793bae15ba 777 }
AzureIoTClient 6:73793bae15ba 778 STRING_delete(asJson);
AzureIoTClient 6:73793bae15ba 779 }
AzureIoTClient 6:73793bae15ba 780 }
AzureIoTClient 6:73793bae15ba 781 }
AzureIoTClient 6:73793bae15ba 782 break;
AzureIoTClient 6:73793bae15ba 783 }
AzureIoTClient 6:73793bae15ba 784 default:
AzureIoTClient 6:73793bae15ba 785 {
AzureIoTClient 6:73793bae15ba 786 LogError("an unknown message type was encountered (%d)\r\n", contentType);
AzureIoTClient 6:73793bae15ba 787 result = NULL; /*unknown message type*/
AzureIoTClient 6:73793bae15ba 788 break;
AzureIoTClient 6:73793bae15ba 789 }
AzureIoTClient 6:73793bae15ba 790 }
AzureIoTClient 6:73793bae15ba 791 return result;
AzureIoTClient 6:73793bae15ba 792 }
AzureIoTClient 6:73793bae15ba 793
AzureIoTClient 6:73793bae15ba 794 #define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient 6:73793bae15ba 795 MAKE_PAYLOAD_OK, /*returned when there is a payload to be later send by HTTP*/ \
AzureIoTClient 6:73793bae15ba 796 MAKE_PAYLOAD_NO_ITEMS, /*returned when there are no items to be send*/ \
AzureIoTClient 6:73793bae15ba 797 MAKE_PAYLOAD_ERROR, /*returned when there were errors*/ \
AzureIoTClient 6:73793bae15ba 798 MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /*returned when the first item doesn't fit*/
AzureIoTClient 6:73793bae15ba 799
AzureIoTClient 6:73793bae15ba 800 DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient 6:73793bae15ba 801
AzureIoTClient 6:73793bae15ba 802 /*this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload*/
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 804 static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_HANDLE_DATA* handleData, STRING_HANDLE* payload)
AzureIoTClient 6:73793bae15ba 805 {
AzureIoTClient 6:73793bae15ba 806 MAKE_PAYLOAD_RESULT result;
AzureIoTClient 6:73793bae15ba 807 size_t allMessagesSize = 0;
AzureIoTClient 6:73793bae15ba 808 *payload = STRING_construct("[");
AzureIoTClient 6:73793bae15ba 809 if (*payload == NULL)
AzureIoTClient 6:73793bae15ba 810 {
AzureIoTClient 6:73793bae15ba 811 LogError("unable to STRING_construct\r\n");
AzureIoTClient 6:73793bae15ba 812 result = MAKE_PAYLOAD_ERROR;
AzureIoTClient 6:73793bae15ba 813 }
AzureIoTClient 6:73793bae15ba 814 else
AzureIoTClient 6:73793bae15ba 815 {
AzureIoTClient 6:73793bae15ba 816 bool isFirst = true;
AzureIoTClient 6:73793bae15ba 817 PDLIST_ENTRY actual;
AzureIoTClient 6:73793bae15ba 818 /*either all the items enter the list or only some*/
AzureIoTClient 6:73793bae15ba 819 result = MAKE_PAYLOAD_OK; /*optimistically initializing it*/
AzureIoTClient 6:73793bae15ba 820 bool keepGoing = true; /*keepGoing gets sometimes to false from within the loop*/
AzureIoTClient 6:73793bae15ba 821 while (keepGoing && ((actual = handleData->waitingToSend->Flink) != handleData->waitingToSend))
AzureIoTClient 6:73793bae15ba 822 {
AzureIoTClient 6:73793bae15ba 823 size_t messageSize;
AzureIoTClient 6:73793bae15ba 824 STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
AzureIoTClient 6:73793bae15ba 825 if (isFirst)
AzureIoTClient 6:73793bae15ba 826 {
AzureIoTClient 6:73793bae15ba 827 isFirst = false;
AzureIoTClient 6:73793bae15ba 828 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 6:73793bae15ba 829 if (temp == NULL) /*first item failed to create, nothing to send*/
AzureIoTClient 6:73793bae15ba 830 {
AzureIoTClient 6:73793bae15ba 831 result = MAKE_PAYLOAD_ERROR;
AzureIoTClient 6:73793bae15ba 832 STRING_delete(*payload);
AzureIoTClient 6:73793bae15ba 833 *payload = NULL;
AzureIoTClient 6:73793bae15ba 834 keepGoing = false;
AzureIoTClient 6:73793bae15ba 835 }
AzureIoTClient 6:73793bae15ba 836 else
AzureIoTClient 6:73793bae15ba 837 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 839 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_118: [The message size shall be limited to 255KB - 1 byte.]*/
AzureIoTClient 6:73793bae15ba 840 if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 6:73793bae15ba 841 {
AzureIoTClient 6:73793bae15ba 842 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 6:73793bae15ba 843 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 6:73793bae15ba 844 result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
AzureIoTClient 6:73793bae15ba 845 STRING_delete(*payload);
AzureIoTClient 6:73793bae15ba 846 *payload = NULL;
AzureIoTClient 6:73793bae15ba 847 keepGoing = false;
AzureIoTClient 6:73793bae15ba 848 }
AzureIoTClient 6:73793bae15ba 849 else
AzureIoTClient 6:73793bae15ba 850 {
AzureIoTClient 6:73793bae15ba 851 if (STRING_concat_with_STRING(*payload, temp) != 0)
AzureIoTClient 6:73793bae15ba 852 {
AzureIoTClient 6:73793bae15ba 853 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 6:73793bae15ba 854 result = MAKE_PAYLOAD_ERROR;
AzureIoTClient 6:73793bae15ba 855 STRING_delete(*payload);
AzureIoTClient 6:73793bae15ba 856 *payload = NULL;
AzureIoTClient 6:73793bae15ba 857 keepGoing = false;
AzureIoTClient 6:73793bae15ba 858 }
AzureIoTClient 6:73793bae15ba 859 else
AzureIoTClient 6:73793bae15ba 860 {
AzureIoTClient 6:73793bae15ba 861 /*first item was put nicely in the payload*/
AzureIoTClient 6:73793bae15ba 862 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 6:73793bae15ba 863 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 6:73793bae15ba 864 allMessagesSize += messageSize;
AzureIoTClient 6:73793bae15ba 865 }
AzureIoTClient 6:73793bae15ba 866 }
AzureIoTClient 6:73793bae15ba 867 STRING_delete(temp);
AzureIoTClient 6:73793bae15ba 868 }
AzureIoTClient 6:73793bae15ba 869 }
AzureIoTClient 6:73793bae15ba 870 else
AzureIoTClient 6:73793bae15ba 871 {
AzureIoTClient 6:73793bae15ba 872 /*there is at least 1 item already in the payload*/
AzureIoTClient 6:73793bae15ba 873 if (temp == NULL)
AzureIoTClient 6:73793bae15ba 874 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 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 6:73793bae15ba 877 result = MAKE_PAYLOAD_OK;
AzureIoTClient 6:73793bae15ba 878 keepGoing = false;
AzureIoTClient 6:73793bae15ba 879 }
AzureIoTClient 6:73793bae15ba 880 else
AzureIoTClient 6:73793bae15ba 881 {
AzureIoTClient 6:73793bae15ba 882 if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 6:73793bae15ba 883 {
AzureIoTClient 6:73793bae15ba 884 /*this item doesn't make it to the payload, but the payload is valid so far*/
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 886 result = MAKE_PAYLOAD_OK;
AzureIoTClient 6:73793bae15ba 887 keepGoing = false;
AzureIoTClient 6:73793bae15ba 888 }
AzureIoTClient 6:73793bae15ba 889 else if (STRING_concat_with_STRING(*payload, temp) != 0)
AzureIoTClient 6:73793bae15ba 890 {
AzureIoTClient 6:73793bae15ba 891 /*should still send what there is so far...*/
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 893 result = MAKE_PAYLOAD_OK;
AzureIoTClient 6:73793bae15ba 894 keepGoing = false;
AzureIoTClient 6:73793bae15ba 895 }
AzureIoTClient 6:73793bae15ba 896 else
AzureIoTClient 6:73793bae15ba 897 {
AzureIoTClient 6:73793bae15ba 898 /*cool, the payload made it there, let's continue... */
AzureIoTClient 6:73793bae15ba 899 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 6:73793bae15ba 900 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 6:73793bae15ba 901 allMessagesSize += messageSize;
AzureIoTClient 6:73793bae15ba 902 }
AzureIoTClient 6:73793bae15ba 903 STRING_delete(temp);
AzureIoTClient 6:73793bae15ba 904 }
AzureIoTClient 6:73793bae15ba 905 }
AzureIoTClient 6:73793bae15ba 906 }
AzureIoTClient 6:73793bae15ba 907
AzureIoTClient 6:73793bae15ba 908 /*closing the payload*/
AzureIoTClient 6:73793bae15ba 909 if (result == MAKE_PAYLOAD_OK)
AzureIoTClient 6:73793bae15ba 910 {
AzureIoTClient 6:73793bae15ba 911 ((char*)STRING_c_str(*payload))[STRING_length(*payload) - 1] = ']'; /*TODO - do this in STRING_HANDLE*/
AzureIoTClient 6:73793bae15ba 912 }
AzureIoTClient 6:73793bae15ba 913 else
AzureIoTClient 6:73793bae15ba 914 {
AzureIoTClient 6:73793bae15ba 915 /*no need to close anything*/
AzureIoTClient 6:73793bae15ba 916 }
AzureIoTClient 6:73793bae15ba 917 }
AzureIoTClient 6:73793bae15ba 918 return result;
AzureIoTClient 6:73793bae15ba 919 }
AzureIoTClient 6:73793bae15ba 920
AzureIoTClient 6:73793bae15ba 921 static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient 6:73793bae15ba 922 {
AzureIoTClient 6:73793bae15ba 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 6:73793bae15ba 924 DList_AppendTailList(destination->Flink, source);
AzureIoTClient 6:73793bae15ba 925 DList_RemoveEntryList(source);
AzureIoTClient 6:73793bae15ba 926 DList_InitializeListHead(source);
AzureIoTClient 6:73793bae15ba 927 }
AzureIoTClient 6:73793bae15ba 928
AzureIoTClient 6:73793bae15ba 929 static void DoEvent(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 6:73793bae15ba 930 {
AzureIoTClient 6:73793bae15ba 931 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 6:73793bae15ba 932 if (DList_IsListEmpty(handleData->waitingToSend))
AzureIoTClient 6:73793bae15ba 933 {
AzureIoTClient 6:73793bae15ba 934 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_019: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] */
AzureIoTClient 6:73793bae15ba 935 }
AzureIoTClient 6:73793bae15ba 936 else
AzureIoTClient 6:73793bae15ba 937 {
AzureIoTClient 6:73793bae15ba 938 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_101: [If option SetBatching is true then _Dowork shall send batched event message as specced below.] */
AzureIoTClient 6:73793bae15ba 939 if (handleData->doBatchedTransfers)
AzureIoTClient 6:73793bae15ba 940 {
AzureIoTClient 6:73793bae15ba 941 /*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 6:73793bae15ba 942 if (HTTPHeaders_ReplaceHeaderNameValuePair(handleData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 943 {
AzureIoTClient 6:73793bae15ba 944 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_103: [If updating Content-Type fails for any reason, then _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 945 LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient 6:73793bae15ba 946 }
AzureIoTClient 6:73793bae15ba 947 else
AzureIoTClient 6:73793bae15ba 948 {
AzureIoTClient 6:73793bae15ba 949 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_018: [It shall inspect the "waitingToSend" DLIST passed in config structure.] */
AzureIoTClient 6:73793bae15ba 950 STRING_HANDLE payload;
AzureIoTClient 6:73793bae15ba 951 switch (makePayload(handleData, &payload))
AzureIoTClient 6:73793bae15ba 952 {
AzureIoTClient 6:73793bae15ba 953 case MAKE_PAYLOAD_OK:
AzureIoTClient 6:73793bae15ba 954 {
AzureIoTClient 6:73793bae15ba 955 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_031: [Once a final payload has been obtained, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters:] */
AzureIoTClient 6:73793bae15ba 956 BUFFER_HANDLE temp = BUFFER_new();
AzureIoTClient 6:73793bae15ba 957 if (temp == NULL)
AzureIoTClient 6:73793bae15ba 958 {
AzureIoTClient 6:73793bae15ba 959 LogError("unable to BUFFER_new\r\n");
AzureIoTClient 6:73793bae15ba 960 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 6:73793bae15ba 961 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 6:73793bae15ba 962 }
AzureIoTClient 6:73793bae15ba 963 else
AzureIoTClient 6:73793bae15ba 964 {
AzureIoTClient 6:73793bae15ba 965 if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
AzureIoTClient 6:73793bae15ba 966 {
AzureIoTClient 6:73793bae15ba 967 LogError("unable to BUFFER_build\r\n");
AzureIoTClient 6:73793bae15ba 968 //items go back to waitingToSend
AzureIoTClient 6:73793bae15ba 969 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_073: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
AzureIoTClient 6:73793bae15ba 970 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 6:73793bae15ba 971 }
AzureIoTClient 6:73793bae15ba 972 else
AzureIoTClient 6:73793bae15ba 973 {
AzureIoTClient 6:73793bae15ba 974 unsigned int statusCode;
AzureIoTClient 6:73793bae15ba 975 HTTPAPIEX_RESULT r;
AzureIoTClient 6:73793bae15ba 976 if ((r = HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 6:73793bae15ba 977 handleData->sasObject,
AzureIoTClient 6:73793bae15ba 978 handleData->httpApiExHandle,
AzureIoTClient 6:73793bae15ba 979 HTTPAPI_REQUEST_POST,
AzureIoTClient 6:73793bae15ba 980 STRING_c_str(handleData->eventHTTPrelativePath),
AzureIoTClient 6:73793bae15ba 981 handleData->eventHTTPrequestHeaders,
AzureIoTClient 6:73793bae15ba 982 temp,
AzureIoTClient 6:73793bae15ba 983 &statusCode,
AzureIoTClient 6:73793bae15ba 984 NULL,
AzureIoTClient 6:73793bae15ba 985 NULL
AzureIoTClient 6:73793bae15ba 986 )) != HTTPAPIEX_OK)
AzureIoTClient 6:73793bae15ba 987 {
AzureIoTClient 6:73793bae15ba 988 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 6:73793bae15ba 989 //items go back to waitingToSend
AzureIoTClient 6:73793bae15ba 990 /*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 6:73793bae15ba 991 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 6:73793bae15ba 992 }
AzureIoTClient 6:73793bae15ba 993 else
AzureIoTClient 6:73793bae15ba 994 {
AzureIoTClient 6:73793bae15ba 995 if (statusCode < 300)
AzureIoTClient 6:73793bae15ba 996 {
AzureIoTClient 6:73793bae15ba 997 /*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 6:73793bae15ba 998 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_SUCCESS);
AzureIoTClient 6:73793bae15ba 999 }
AzureIoTClient 6:73793bae15ba 1000 else
AzureIoTClient 6:73793bae15ba 1001 {
AzureIoTClient 6:73793bae15ba 1002 //items go back to waitingToSend
AzureIoTClient 6:73793bae15ba 1003 /*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 6:73793bae15ba 1004 LogError("unexpected HTTP status code (%u)\r\n", statusCode);
AzureIoTClient 6:73793bae15ba 1005 reversePutListBackIn(&(handleData->eventConfirmations), handleData->waitingToSend);
AzureIoTClient 6:73793bae15ba 1006 }
AzureIoTClient 6:73793bae15ba 1007 }
AzureIoTClient 6:73793bae15ba 1008 }
AzureIoTClient 6:73793bae15ba 1009 BUFFER_delete(temp);
AzureIoTClient 6:73793bae15ba 1010 }
AzureIoTClient 6:73793bae15ba 1011 STRING_delete(payload);
AzureIoTClient 6:73793bae15ba 1012 break;
AzureIoTClient 6:73793bae15ba 1013 }
AzureIoTClient 6:73793bae15ba 1014 case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
AzureIoTClient 6:73793bae15ba 1015 {
AzureIoTClient 6:73793bae15ba 1016 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /*takes care of emptying the list too*/
AzureIoTClient 6:73793bae15ba 1017 break;
AzureIoTClient 6:73793bae15ba 1018 }
AzureIoTClient 6:73793bae15ba 1019 case MAKE_PAYLOAD_ERROR:
AzureIoTClient 6:73793bae15ba 1020 {
AzureIoTClient 6:73793bae15ba 1021 LogError("unrecoverable errors while building a batch message\r\n");
AzureIoTClient 6:73793bae15ba 1022 break;
AzureIoTClient 6:73793bae15ba 1023 }
AzureIoTClient 6:73793bae15ba 1024 case MAKE_PAYLOAD_NO_ITEMS:
AzureIoTClient 6:73793bae15ba 1025 {
AzureIoTClient 6:73793bae15ba 1026 /*do nothing*/
AzureIoTClient 6:73793bae15ba 1027 break;
AzureIoTClient 6:73793bae15ba 1028 }
AzureIoTClient 6:73793bae15ba 1029 default:
AzureIoTClient 6:73793bae15ba 1030 {
AzureIoTClient 6:73793bae15ba 1031 LogError("internal error: switch's default branch reached when never intended\r\n");
AzureIoTClient 6:73793bae15ba 1032 break;
AzureIoTClient 6:73793bae15ba 1033 }
AzureIoTClient 6:73793bae15ba 1034 }
AzureIoTClient 6:73793bae15ba 1035 }
AzureIoTClient 6:73793bae15ba 1036 }
AzureIoTClient 6:73793bae15ba 1037 else
AzureIoTClient 6:73793bae15ba 1038 {
AzureIoTClient 6:73793bae15ba 1039 const unsigned char* messageContent=NULL;
AzureIoTClient 6:73793bae15ba 1040 size_t messageSize=0;
AzureIoTClient 6:73793bae15ba 1041 size_t originalMessageSize=0;
AzureIoTClient 6:73793bae15ba 1042 IOTHUB_MESSAGE_LIST* message = containingRecord(handleData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 6:73793bae15ba 1043 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient 6:73793bae15ba 1044
AzureIoTClient 6:73793bae15ba 1045 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_122: [The message size is computed from the length of the payload + 384.]*/
AzureIoTClient 6:73793bae15ba 1046 if (!(
AzureIoTClient 6:73793bae15ba 1047 (((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
AzureIoTClient 6:73793bae15ba 1048 (IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize)==IOTHUB_MESSAGE_OK)) ? (messageSize= originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD, 1): 0)
AzureIoTClient 6:73793bae15ba 1049
AzureIoTClient 6:73793bae15ba 1050 ||
AzureIoTClient 6:73793bae15ba 1051
AzureIoTClient 6:73793bae15ba 1052 ((contentType == IOTHUBMESSAGE_STRING) && (
AzureIoTClient 6:73793bae15ba 1053 messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle),
AzureIoTClient 6:73793bae15ba 1054 (messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)?0:strlen((const char*)messageContent)))),
AzureIoTClient 6:73793bae15ba 1055 messageContent!=NULL)
AzureIoTClient 6:73793bae15ba 1056 )
AzureIoTClient 6:73793bae15ba 1057 ))
AzureIoTClient 6:73793bae15ba 1058 {
AzureIoTClient 6:73793bae15ba 1059 LogError("unable to get the message content\r\n");
AzureIoTClient 6:73793bae15ba 1060 /*go on...*/
AzureIoTClient 6:73793bae15ba 1061 }
AzureIoTClient 6:73793bae15ba 1062 else
AzureIoTClient 6:73793bae15ba 1063 {
AzureIoTClient 6:73793bae15ba 1064 /*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 6:73793bae15ba 1065 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_121: [The message size shall be limited to 255KB -1 bytes.] */
AzureIoTClient 6:73793bae15ba 1066 if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 6:73793bae15ba 1067 {
AzureIoTClient 6:73793bae15ba 1068 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 6:73793bae15ba 1069 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 6:73793bae15ba 1070 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /*takes care of emptying the list too*/
AzureIoTClient 6:73793bae15ba 1071 }
AzureIoTClient 6:73793bae15ba 1072 else
AzureIoTClient 6:73793bae15ba 1073 {
AzureIoTClient 6:73793bae15ba 1074 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_104: [If option SetBatching is false then _Dowork shall send individual event message as specced below.] */
AzureIoTClient 6:73793bae15ba 1075 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_105: [A clone of the event HTTP request headers shall be created.]*/
AzureIoTClient 6:73793bae15ba 1076 HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(handleData->eventHTTPrequestHeaders);
AzureIoTClient 6:73793bae15ba 1077 if (clonedEventHTTPrequestHeaders == NULL)
AzureIoTClient 6:73793bae15ba 1078 {
AzureIoTClient 6:73793bae15ba 1079 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1080 LogError("HTTPHeaders_Clone failed\r\n");
AzureIoTClient 6:73793bae15ba 1081 }
AzureIoTClient 6:73793bae15ba 1082 else
AzureIoTClient 6:73793bae15ba 1083 {
AzureIoTClient 6:73793bae15ba 1084 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_106: [The cloned HTTP headers shall have the HTTP header "Content-Type" set to "application/octet-stream".] */
AzureIoTClient 6:73793bae15ba 1085 if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 1086 {
AzureIoTClient 6:73793bae15ba 1087 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1088 LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed\r\n");
AzureIoTClient 6:73793bae15ba 1089 }
AzureIoTClient 6:73793bae15ba 1090 else
AzureIoTClient 6:73793bae15ba 1091 {
AzureIoTClient 6:73793bae15ba 1092 /*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 6:73793bae15ba 1093 MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
AzureIoTClient 6:73793bae15ba 1094 const char*const* keys;
AzureIoTClient 6:73793bae15ba 1095 const char*const* values;
AzureIoTClient 6:73793bae15ba 1096 size_t count;
AzureIoTClient 6:73793bae15ba 1097 if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
AzureIoTClient 6:73793bae15ba 1098 {
AzureIoTClient 6:73793bae15ba 1099 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1100 LogError("unable to Map_GetInternals\r\n");
AzureIoTClient 6:73793bae15ba 1101 }
AzureIoTClient 6:73793bae15ba 1102 else
AzureIoTClient 6:73793bae15ba 1103 {
AzureIoTClient 6:73793bae15ba 1104 size_t i;
AzureIoTClient 6:73793bae15ba 1105 bool goOn = true;
AzureIoTClient 6:73793bae15ba 1106 for (i = 0; (i < count) && goOn; i++)
AzureIoTClient 6:73793bae15ba 1107 {
AzureIoTClient 6:73793bae15ba 1108 /*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 6:73793bae15ba 1109 messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
AzureIoTClient 6:73793bae15ba 1110 if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient 6:73793bae15ba 1111 {
AzureIoTClient 6:73793bae15ba 1112 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_121: [The message size shall be limited to 255KB -1 bytes.] */
AzureIoTClient 6:73793bae15ba 1113 PDLIST_ENTRY head = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 6:73793bae15ba 1114 DList_InsertTailList(&(handleData->eventConfirmations), head);
AzureIoTClient 6:73793bae15ba 1115 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /*takes care of emptying the list too*/
AzureIoTClient 6:73793bae15ba 1116 goOn = false;
AzureIoTClient 6:73793bae15ba 1117 }
AzureIoTClient 6:73793bae15ba 1118 else
AzureIoTClient 6:73793bae15ba 1119 {
AzureIoTClient 6:73793bae15ba 1120 STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
AzureIoTClient 6:73793bae15ba 1121 if (temp == NULL)
AzureIoTClient 6:73793bae15ba 1122 {
AzureIoTClient 6:73793bae15ba 1123 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1124 LogError("unable to STRING_construct\r\n");
AzureIoTClient 6:73793bae15ba 1125 goOn = false;
AzureIoTClient 6:73793bae15ba 1126 }
AzureIoTClient 6:73793bae15ba 1127 else
AzureIoTClient 6:73793bae15ba 1128 {
AzureIoTClient 6:73793bae15ba 1129 if (STRING_concat(temp, keys[i]) != 0)
AzureIoTClient 6:73793bae15ba 1130 {
AzureIoTClient 6:73793bae15ba 1131 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1132 LogError("unable to STRING_concat\r\n");
AzureIoTClient 6:73793bae15ba 1133 goOn = false;
AzureIoTClient 6:73793bae15ba 1134 }
AzureIoTClient 6:73793bae15ba 1135 else
AzureIoTClient 6:73793bae15ba 1136 {
AzureIoTClient 6:73793bae15ba 1137 if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 1138 {
AzureIoTClient 6:73793bae15ba 1139 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1140 LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient 6:73793bae15ba 1141 goOn = false;
AzureIoTClient 6:73793bae15ba 1142 }
AzureIoTClient 6:73793bae15ba 1143 }
AzureIoTClient 6:73793bae15ba 1144 STRING_delete(temp);
AzureIoTClient 6:73793bae15ba 1145 }
AzureIoTClient 6:73793bae15ba 1146 }
AzureIoTClient 6:73793bae15ba 1147 }
AzureIoTClient 6:73793bae15ba 1148
AzureIoTClient 6:73793bae15ba 1149 if (!goOn)
AzureIoTClient 6:73793bae15ba 1150 {
AzureIoTClient 6:73793bae15ba 1151 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_108: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1152 }
AzureIoTClient 6:73793bae15ba 1153 else
AzureIoTClient 6:73793bae15ba 1154 {
AzureIoTClient 6:73793bae15ba 1155 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_110: [IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters] */
AzureIoTClient 6:73793bae15ba 1156 BUFFER_HANDLE toBeSend = BUFFER_new();
AzureIoTClient 6:73793bae15ba 1157 if (toBeSend == NULL)
AzureIoTClient 6:73793bae15ba 1158 {
AzureIoTClient 6:73793bae15ba 1159 LogError("unable to BUFFER_new\r\n");
AzureIoTClient 6:73793bae15ba 1160 }
AzureIoTClient 6:73793bae15ba 1161 else
AzureIoTClient 6:73793bae15ba 1162 {
AzureIoTClient 6:73793bae15ba 1163 if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
AzureIoTClient 6:73793bae15ba 1164 {
AzureIoTClient 6:73793bae15ba 1165 LogError("unable to BUFFER_build\r\n");
AzureIoTClient 6:73793bae15ba 1166 }
AzureIoTClient 6:73793bae15ba 1167 else
AzureIoTClient 6:73793bae15ba 1168 {
AzureIoTClient 6:73793bae15ba 1169 unsigned int statusCode;
AzureIoTClient 6:73793bae15ba 1170 HTTPAPIEX_RESULT r;
AzureIoTClient 6:73793bae15ba 1171 if ((r = HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 6:73793bae15ba 1172 handleData->sasObject,
AzureIoTClient 6:73793bae15ba 1173 handleData->httpApiExHandle,
AzureIoTClient 6:73793bae15ba 1174 HTTPAPI_REQUEST_POST,
AzureIoTClient 6:73793bae15ba 1175 STRING_c_str(handleData->eventHTTPrelativePath),
AzureIoTClient 6:73793bae15ba 1176 clonedEventHTTPrequestHeaders,
AzureIoTClient 6:73793bae15ba 1177 toBeSend,
AzureIoTClient 6:73793bae15ba 1178 &statusCode,
AzureIoTClient 6:73793bae15ba 1179 NULL,
AzureIoTClient 6:73793bae15ba 1180 NULL
AzureIoTClient 6:73793bae15ba 1181 )) != HTTPAPIEX_OK)
AzureIoTClient 6:73793bae15ba 1182 {
AzureIoTClient 6:73793bae15ba 1183 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 6:73793bae15ba 1184 }
AzureIoTClient 6:73793bae15ba 1185 else
AzureIoTClient 6:73793bae15ba 1186 {
AzureIoTClient 6:73793bae15ba 1187 if (statusCode < 300)
AzureIoTClient 6:73793bae15ba 1188 {
AzureIoTClient 6:73793bae15ba 1189 /*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 6:73793bae15ba 1190 PDLIST_ENTRY justSent = DList_RemoveHeadList(handleData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
AzureIoTClient 6:73793bae15ba 1191 DList_InsertTailList(&(handleData->eventConfirmations), justSent);
AzureIoTClient 6:73793bae15ba 1192 IoTHubClient_LL_SendComplete(iotHubClientHandle, &(handleData->eventConfirmations), IOTHUB_BATCHSTATE_SUCCESS); /*takes care of emptying the list too*/
AzureIoTClient 6:73793bae15ba 1193 }
AzureIoTClient 6:73793bae15ba 1194 else
AzureIoTClient 6:73793bae15ba 1195 {
AzureIoTClient 6:73793bae15ba 1196 /*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 6:73793bae15ba 1197 LogError("unexpected HTTP status code (%u)\r\n", statusCode);
AzureIoTClient 6:73793bae15ba 1198 }
AzureIoTClient 6:73793bae15ba 1199 }
AzureIoTClient 6:73793bae15ba 1200 }
AzureIoTClient 6:73793bae15ba 1201 BUFFER_delete(toBeSend);
AzureIoTClient 6:73793bae15ba 1202 }
AzureIoTClient 6:73793bae15ba 1203 }
AzureIoTClient 6:73793bae15ba 1204 }
AzureIoTClient 6:73793bae15ba 1205 }
AzureIoTClient 6:73793bae15ba 1206 HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
AzureIoTClient 6:73793bae15ba 1207 }
AzureIoTClient 6:73793bae15ba 1208 }
AzureIoTClient 6:73793bae15ba 1209 }
AzureIoTClient 6:73793bae15ba 1210 }
AzureIoTClient 6:73793bae15ba 1211 }
AzureIoTClient 6:73793bae15ba 1212 }
AzureIoTClient 6:73793bae15ba 1213
AzureIoTClient 6:73793bae15ba 1214 #define ACTION_VALUES \
AzureIoTClient 6:73793bae15ba 1215 ABANDON, \
AzureIoTClient 6:73793bae15ba 1216 REJECT, \
AzureIoTClient 6:73793bae15ba 1217 ACCEPT
AzureIoTClient 6:73793bae15ba 1218 DEFINE_ENUM(ACTION, ACTION_VALUES);
AzureIoTClient 6:73793bae15ba 1219
AzureIoTClient 6:73793bae15ba 1220 static void abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, const char* ETag, ACTION action)
AzureIoTClient 6:73793bae15ba 1221 {
AzureIoTClient 6:73793bae15ba 1222 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_050: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient 6:73793bae15ba 1223 -requestType: POST
AzureIoTClient 6:73793bae15ba 1224 -relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2015-08-15-preview"
AzureIoTClient 6:73793bae15ba 1225 - requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient 6:73793bae15ba 1226 Authorization: " "
AzureIoTClient 6:73793bae15ba 1227 If-Match: value of ETag
AzureIoTClient 6:73793bae15ba 1228 - requestContent: NULL
AzureIoTClient 6:73793bae15ba 1229 - statusCode: a pointer to unsigned int which might be examined for logging
AzureIoTClient 6:73793bae15ba 1230 - responseHeadearsHandle: NULL
AzureIoTClient 6:73793bae15ba 1231 - responseContent: NULL]*/
AzureIoTClient 6:73793bae15ba 1232 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_051: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient 6:73793bae15ba 1233 -requestType: DELETE
AzureIoTClient 6:73793bae15ba 1234 -relativePath: abandon relative path begin + value of ETag + "?api-version=2015-08-15-preview"
AzureIoTClient 6:73793bae15ba 1235 - requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient 6:73793bae15ba 1236 Authorization: " "
AzureIoTClient 6:73793bae15ba 1237 If-Match: value of ETag
AzureIoTClient 6:73793bae15ba 1238 - requestContent: NULL
AzureIoTClient 6:73793bae15ba 1239 - statusCode: a pointer to unsigned int which might be used by logging
AzureIoTClient 6:73793bae15ba 1240 - responseHeadearsHandle: NULL
AzureIoTClient 6:73793bae15ba 1241 - responseContent: NULL]*/
AzureIoTClient 6:73793bae15ba 1242 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_077: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient 6:73793bae15ba 1243 -requestType: DELETE
AzureIoTClient 6:73793bae15ba 1244 -relativePath: abandon relative path begin + value of ETag +"?api-version=2015-08-15-preview" + "&reject"
AzureIoTClient 6:73793bae15ba 1245 - requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient 6:73793bae15ba 1246 Authorization: " "
AzureIoTClient 6:73793bae15ba 1247 If-Match: value of ETag
AzureIoTClient 6:73793bae15ba 1248 - requestContent: NULL
AzureIoTClient 6:73793bae15ba 1249 - statusCode: a pointer to unsigned int which might be used by logging
AzureIoTClient 6:73793bae15ba 1250 - responseHeadearsHandle: NULL
AzureIoTClient 6:73793bae15ba 1251 - responseContent: NULL]*/
AzureIoTClient 6:73793bae15ba 1252
AzureIoTClient 6:73793bae15ba 1253 STRING_HANDLE fullAbandonRelativePath = STRING_clone(handleData->abandonHTTPrelativePathBegin);
AzureIoTClient 6:73793bae15ba 1254 if (fullAbandonRelativePath == NULL)
AzureIoTClient 6:73793bae15ba 1255 {
AzureIoTClient 6:73793bae15ba 1256 /*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 6:73793bae15ba 1257 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1258 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1259 LogError("unable to STRING_clone\r\n");
AzureIoTClient 6:73793bae15ba 1260 }
AzureIoTClient 6:73793bae15ba 1261 else
AzureIoTClient 6:73793bae15ba 1262 {
AzureIoTClient 6:73793bae15ba 1263 STRING_HANDLE ETagUnquoted = STRING_construct_n(ETag + 1, strlen(ETag) - 2); /*skip first character which is '"' and the last one (which is also '"')*/
AzureIoTClient 6:73793bae15ba 1264 if (ETagUnquoted == NULL)
AzureIoTClient 6:73793bae15ba 1265 {
AzureIoTClient 6:73793bae15ba 1266 /*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 6:73793bae15ba 1267 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1268 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1269 LogError("unable to STRING_construct_n\r\n");
AzureIoTClient 6:73793bae15ba 1270 }
AzureIoTClient 6:73793bae15ba 1271 else
AzureIoTClient 6:73793bae15ba 1272 {
AzureIoTClient 6:73793bae15ba 1273 if (!(
AzureIoTClient 6:73793bae15ba 1274 (STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
AzureIoTClient 6:73793bae15ba 1275 (STRING_concat(fullAbandonRelativePath, (action == ABANDON) ? "/abandon" API_VERSION : ((action == REJECT) ? API_VERSION "&reject" : API_VERSION)) == 0)
AzureIoTClient 6:73793bae15ba 1276 ))
AzureIoTClient 6:73793bae15ba 1277 {
AzureIoTClient 6:73793bae15ba 1278 /*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 6:73793bae15ba 1279 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1280 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1281 LogError("unable to STRING_concat\r\n");
AzureIoTClient 6:73793bae15ba 1282 }
AzureIoTClient 6:73793bae15ba 1283 else
AzureIoTClient 6:73793bae15ba 1284 {
AzureIoTClient 6:73793bae15ba 1285 HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
AzureIoTClient 6:73793bae15ba 1286 if (abandonRequestHttpHeaders == NULL)
AzureIoTClient 6:73793bae15ba 1287 {
AzureIoTClient 6:73793bae15ba 1288 /*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 6:73793bae15ba 1289 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1290 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1291 LogError("unable to HTTPHeaders_Alloc\r\n");
AzureIoTClient 6:73793bae15ba 1292 }
AzureIoTClient 6:73793bae15ba 1293 else
AzureIoTClient 6:73793bae15ba 1294 {
AzureIoTClient 6:73793bae15ba 1295 if (!(
AzureIoTClient 6:73793bae15ba 1296 (HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
AzureIoTClient 6:73793bae15ba 1297 (HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 1298 ))
AzureIoTClient 6:73793bae15ba 1299 {
AzureIoTClient 6:73793bae15ba 1300 /*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 6:73793bae15ba 1301 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1302 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1303 LogError("unable to HTTPHeaders_AddHeaderNameValuePair\r\n");
AzureIoTClient 6:73793bae15ba 1304 }
AzureIoTClient 6:73793bae15ba 1305 else
AzureIoTClient 6:73793bae15ba 1306 {
AzureIoTClient 6:73793bae15ba 1307 unsigned int statusCode;
AzureIoTClient 6:73793bae15ba 1308 if (HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 6:73793bae15ba 1309 handleData->sasObject,
AzureIoTClient 6:73793bae15ba 1310 handleData->httpApiExHandle,
AzureIoTClient 6:73793bae15ba 1311 (action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /*-requestType: POST */
AzureIoTClient 6:73793bae15ba 1312 STRING_c_str(fullAbandonRelativePath), /*-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2015-08-15-preview" */
AzureIoTClient 6:73793bae15ba 1313 abandonRequestHttpHeaders, /*- requestHttpHeadersHandle: an HTTP headers instance containing the following */
AzureIoTClient 6:73793bae15ba 1314 NULL, /*- requestContent: NULL */
AzureIoTClient 6:73793bae15ba 1315 &statusCode, /*- statusCode: a pointer to unsigned int which might be examined for logging */
AzureIoTClient 6:73793bae15ba 1316 NULL, /*- responseHeadearsHandle: NULL */
AzureIoTClient 6:73793bae15ba 1317 NULL /*- responseContent: NULL] */
AzureIoTClient 6:73793bae15ba 1318 ) != HTTPAPIEX_OK)
AzureIoTClient 6:73793bae15ba 1319 {
AzureIoTClient 6:73793bae15ba 1320 /*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 6:73793bae15ba 1321 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1322 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1323 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 6:73793bae15ba 1324 }
AzureIoTClient 6:73793bae15ba 1325 else
AzureIoTClient 6:73793bae15ba 1326 {
AzureIoTClient 6:73793bae15ba 1327 if (statusCode != 204)
AzureIoTClient 6:73793bae15ba 1328 {
AzureIoTClient 6:73793bae15ba 1329 /*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 6:73793bae15ba 1330 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1331 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1332 LogError("unexpected status code returned %u (was expecting 204)\r\n", statusCode);
AzureIoTClient 6:73793bae15ba 1333 }
AzureIoTClient 6:73793bae15ba 1334 else
AzureIoTClient 6:73793bae15ba 1335 {
AzureIoTClient 6:73793bae15ba 1336 /*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 6:73793bae15ba 1337 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_054: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1338 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_078: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
AzureIoTClient 6:73793bae15ba 1339 /*all is fine*/
AzureIoTClient 6:73793bae15ba 1340 }
AzureIoTClient 6:73793bae15ba 1341 }
AzureIoTClient 6:73793bae15ba 1342 }
AzureIoTClient 6:73793bae15ba 1343 HTTPHeaders_Free(abandonRequestHttpHeaders);
AzureIoTClient 6:73793bae15ba 1344 }
AzureIoTClient 6:73793bae15ba 1345 }
AzureIoTClient 6:73793bae15ba 1346 STRING_delete(ETagUnquoted);
AzureIoTClient 6:73793bae15ba 1347 }
AzureIoTClient 6:73793bae15ba 1348 STRING_delete(fullAbandonRelativePath);
AzureIoTClient 6:73793bae15ba 1349 }
AzureIoTClient 6:73793bae15ba 1350 }
AzureIoTClient 6:73793bae15ba 1351
AzureIoTClient 6:73793bae15ba 1352 static void DoMessages(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 6:73793bae15ba 1353 {
AzureIoTClient 6:73793bae15ba 1354 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 6:73793bae15ba 1355 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_057: [If flag DoWork_PullMessage is set to false then _DoWork shall advance to the next action.] */
AzureIoTClient 6:73793bae15ba 1356 if (handleData->DoWork_PullMessage)
AzureIoTClient 6:73793bae15ba 1357 {
AzureIoTClient 6:73793bae15ba 1358 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_116: [After client creation, the first GET shall be allowed no matter what the value of GetMinimumPollingTime.] */
AzureIoTClient 6:73793bae15ba 1359 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_117: [If time is not available then all calls shall be treated as if they are the first one.] */
AzureIoTClient 6:73793bae15ba 1360 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_115: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] */
AzureIoTClient 6:73793bae15ba 1361 time_t timeNow = get_time(NULL);
AzureIoTClient 6:73793bae15ba 1362 bool isPollingAllowed = handleData->isFirstPoll || (timeNow == (time_t)(-1)) || (get_difftime(timeNow, handleData->lastPollTime) > handleData->getMinimumPollingTime);
AzureIoTClient 6:73793bae15ba 1363 if (isPollingAllowed)
AzureIoTClient 6:73793bae15ba 1364 {
AzureIoTClient 6:73793bae15ba 1365 HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
AzureIoTClient 6:73793bae15ba 1366 if (responseHTTPHeaders == NULL)
AzureIoTClient 6:73793bae15ba 1367 {
AzureIoTClient 6:73793bae15ba 1368 /*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 6:73793bae15ba 1369 LogError("unable to HTTPHeaders_Alloc\r\n");
AzureIoTClient 6:73793bae15ba 1370 }
AzureIoTClient 6:73793bae15ba 1371 else
AzureIoTClient 6:73793bae15ba 1372 {
AzureIoTClient 6:73793bae15ba 1373 BUFFER_HANDLE responseContent = BUFFER_new();
AzureIoTClient 6:73793bae15ba 1374 if (responseContent == NULL)
AzureIoTClient 6:73793bae15ba 1375 {
AzureIoTClient 6:73793bae15ba 1376 /*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 6:73793bae15ba 1377 LogError("unable to BUFFER_new\r\n");
AzureIoTClient 6:73793bae15ba 1378 }
AzureIoTClient 6:73793bae15ba 1379 else
AzureIoTClient 6:73793bae15ba 1380 {
AzureIoTClient 6:73793bae15ba 1381 unsigned int statusCode;
AzureIoTClient 6:73793bae15ba 1382 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_036: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
AzureIoTClient 6:73793bae15ba 1383 requestType: GET
AzureIoTClient 6:73793bae15ba 1384 relativePath: the message HTTP relative path
AzureIoTClient 6:73793bae15ba 1385 requestHttpHeadersHandle: message HTTP request headers created by _Create
AzureIoTClient 6:73793bae15ba 1386 requestContent: NULL
AzureIoTClient 6:73793bae15ba 1387 statusCode: a pointer to unsigned int which shall be later examined
AzureIoTClient 6:73793bae15ba 1388 responseHeadearsHandle: a new instance of HTTP headers
AzureIoTClient 6:73793bae15ba 1389 responseContent: a new instance of buffer]
AzureIoTClient 6:73793bae15ba 1390 */
AzureIoTClient 6:73793bae15ba 1391 if (HTTPAPIEX_SAS_ExecuteRequest(
AzureIoTClient 6:73793bae15ba 1392 handleData->sasObject,
AzureIoTClient 6:73793bae15ba 1393 handleData->httpApiExHandle,
AzureIoTClient 6:73793bae15ba 1394 HTTPAPI_REQUEST_GET, /*requestType: GET*/
AzureIoTClient 6:73793bae15ba 1395 STRING_c_str(handleData->messageHTTPrelativePath), /*relativePath: the message HTTP relative path*/
AzureIoTClient 6:73793bae15ba 1396 handleData->messageHTTPrequestHeaders, /*requestHttpHeadersHandle: message HTTP request headers created by _Create*/
AzureIoTClient 6:73793bae15ba 1397 NULL, /*requestContent: NULL*/
AzureIoTClient 6:73793bae15ba 1398 &statusCode, /*statusCode: a pointer to unsigned int which shall be later examined*/
AzureIoTClient 6:73793bae15ba 1399 responseHTTPHeaders, /*responseHeadearsHandle: a new instance of HTTP headers*/
AzureIoTClient 6:73793bae15ba 1400 responseContent /*responseContent: a new instance of buffer*/
AzureIoTClient 6:73793bae15ba 1401 )
AzureIoTClient 6:73793bae15ba 1402 != HTTPAPIEX_OK)
AzureIoTClient 6:73793bae15ba 1403 {
AzureIoTClient 6:73793bae15ba 1404 /*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 6:73793bae15ba 1405 LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient 6:73793bae15ba 1406 }
AzureIoTClient 6:73793bae15ba 1407 else
AzureIoTClient 6:73793bae15ba 1408 {
AzureIoTClient 6:73793bae15ba 1409 /*HTTP dialogue was succesfull*/
AzureIoTClient 6:73793bae15ba 1410 if (timeNow == (time_t)(-1))
AzureIoTClient 6:73793bae15ba 1411 {
AzureIoTClient 6:73793bae15ba 1412 handleData->isFirstPoll = true;
AzureIoTClient 6:73793bae15ba 1413 }
AzureIoTClient 6:73793bae15ba 1414 else
AzureIoTClient 6:73793bae15ba 1415 {
AzureIoTClient 6:73793bae15ba 1416 handleData->isFirstPoll = false;
AzureIoTClient 6:73793bae15ba 1417 handleData->lastPollTime = timeNow;
AzureIoTClient 6:73793bae15ba 1418 }
AzureIoTClient 6:73793bae15ba 1419 if (statusCode == 204)
AzureIoTClient 6:73793bae15ba 1420 {
AzureIoTClient 6:73793bae15ba 1421 /*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 6:73793bae15ba 1422 /*this is an expected status code, means "no commands", but logging that creates panic*/
AzureIoTClient 6:73793bae15ba 1423
AzureIoTClient 6:73793bae15ba 1424 /*do nothing, advance to next action*/
AzureIoTClient 6:73793bae15ba 1425 }
AzureIoTClient 6:73793bae15ba 1426 else if (statusCode != 200)
AzureIoTClient 6:73793bae15ba 1427 {
AzureIoTClient 6:73793bae15ba 1428 /*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 6:73793bae15ba 1429 LogError("expected status code was 200, but actually was received %u... moving on\r\n", statusCode);
AzureIoTClient 6:73793bae15ba 1430 }
AzureIoTClient 6:73793bae15ba 1431 else
AzureIoTClient 6:73793bae15ba 1432 {
AzureIoTClient 6:73793bae15ba 1433 /*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 6:73793bae15ba 1434 const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
AzureIoTClient 6:73793bae15ba 1435 if (etagValue == NULL)
AzureIoTClient 6:73793bae15ba 1436 {
AzureIoTClient 6:73793bae15ba 1437 LogError("unable to find a received header called \"E-Tag\"\r\n");
AzureIoTClient 6:73793bae15ba 1438 }
AzureIoTClient 6:73793bae15ba 1439 else
AzureIoTClient 6:73793bae15ba 1440 {
AzureIoTClient 6:73793bae15ba 1441 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_040: [If no such header is found or is invalid, then _DoWork shall advance to the next action.]*/
AzureIoTClient 6:73793bae15ba 1442 size_t etagsize = strlen(etagValue);
AzureIoTClient 6:73793bae15ba 1443 if (
AzureIoTClient 6:73793bae15ba 1444 (etagsize < 2) ||
AzureIoTClient 6:73793bae15ba 1445 (etagValue[0] != '"') ||
AzureIoTClient 6:73793bae15ba 1446 (etagValue[etagsize - 1] != '"')
AzureIoTClient 6:73793bae15ba 1447 )
AzureIoTClient 6:73793bae15ba 1448 {
AzureIoTClient 6:73793bae15ba 1449 LogError("ETag is not a valid quoted string\r\n");
AzureIoTClient 6:73793bae15ba 1450 }
AzureIoTClient 6:73793bae15ba 1451 else
AzureIoTClient 6:73793bae15ba 1452 {
AzureIoTClient 6:73793bae15ba 1453 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_041: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] */
AzureIoTClient 6:73793bae15ba 1454 IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(BUFFER_u_char(responseContent), BUFFER_length(responseContent));
AzureIoTClient 6:73793bae15ba 1455 if (receivedMessage == NULL)
AzureIoTClient 6:73793bae15ba 1456 {
AzureIoTClient 6:73793bae15ba 1457 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_042: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]*/
AzureIoTClient 6:73793bae15ba 1458 LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... \r\n");
AzureIoTClient 6:73793bae15ba 1459 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 6:73793bae15ba 1460 }
AzureIoTClient 6:73793bae15ba 1461 else
AzureIoTClient 6:73793bae15ba 1462 {
AzureIoTClient 6:73793bae15ba 1463 /*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 6:73793bae15ba 1464 size_t nHeaders;
AzureIoTClient 6:73793bae15ba 1465 if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 1466 {
AzureIoTClient 6:73793bae15ba 1467 LogError("unable to get the count of HTTP headers\r\n");
AzureIoTClient 6:73793bae15ba 1468 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 6:73793bae15ba 1469 }
AzureIoTClient 6:73793bae15ba 1470 else
AzureIoTClient 6:73793bae15ba 1471 {
AzureIoTClient 6:73793bae15ba 1472 size_t i;
AzureIoTClient 6:73793bae15ba 1473 MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
AzureIoTClient 6:73793bae15ba 1474 for (i = 0; i < nHeaders; i++)
AzureIoTClient 6:73793bae15ba 1475 {
AzureIoTClient 6:73793bae15ba 1476 char* completeHeader;
AzureIoTClient 6:73793bae15ba 1477 if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
AzureIoTClient 6:73793bae15ba 1478 {
AzureIoTClient 6:73793bae15ba 1479 break;
AzureIoTClient 6:73793bae15ba 1480 }
AzureIoTClient 6:73793bae15ba 1481 else
AzureIoTClient 6:73793bae15ba 1482 {
AzureIoTClient 6:73793bae15ba 1483 if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
AzureIoTClient 6:73793bae15ba 1484 {
AzureIoTClient 6:73793bae15ba 1485 /*looks like a property headers*/
AzureIoTClient 6:73793bae15ba 1486 /*there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module*/
AzureIoTClient 6:73793bae15ba 1487 char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient 6:73793bae15ba 1488 *whereIsColon = '\0'; /*cut it down*/
AzureIoTClient 6:73793bae15ba 1489 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 6:73793bae15ba 1490 {
AzureIoTClient 6:73793bae15ba 1491 free(completeHeader);
AzureIoTClient 6:73793bae15ba 1492 break;
AzureIoTClient 6:73793bae15ba 1493 }
AzureIoTClient 6:73793bae15ba 1494 }
AzureIoTClient 6:73793bae15ba 1495 free(completeHeader);
AzureIoTClient 6:73793bae15ba 1496 }
AzureIoTClient 6:73793bae15ba 1497 }
AzureIoTClient 6:73793bae15ba 1498
AzureIoTClient 6:73793bae15ba 1499 if (i < nHeaders)
AzureIoTClient 6:73793bae15ba 1500 {
AzureIoTClient 6:73793bae15ba 1501 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 6:73793bae15ba 1502 }
AzureIoTClient 6:73793bae15ba 1503 else
AzureIoTClient 6:73793bae15ba 1504 {
AzureIoTClient 6:73793bae15ba 1505 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_043: [Otherwise, _DoWork shall call IoTHubClient_LL_MessageCallback with parameters handle = iotHubClientHandle and message = newly created message.]*/
AzureIoTClient 6:73793bae15ba 1506 IOTHUBMESSAGE_DISPOSITION_RESULT messageResult = IoTHubClient_LL_MessageCallback(iotHubClientHandle, receivedMessage);
AzureIoTClient 6:73793bae15ba 1507 if (messageResult == IOTHUBMESSAGE_ACCEPTED)
AzureIoTClient 6:73793bae15ba 1508 {
AzureIoTClient 6:73793bae15ba 1509 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_044: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ACCEPTED then _DoWork shall "accept" the message.]*/
AzureIoTClient 6:73793bae15ba 1510 abandonOrAcceptMessage(handle, etagValue, ACCEPT);
AzureIoTClient 6:73793bae15ba 1511 }
AzureIoTClient 6:73793bae15ba 1512 else if (messageResult == IOTHUBMESSAGE_REJECTED)
AzureIoTClient 6:73793bae15ba 1513 {
AzureIoTClient 6:73793bae15ba 1514 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_074: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_REJECTED then _DoWork shall "reject" the message.]*/
AzureIoTClient 6:73793bae15ba 1515 abandonOrAcceptMessage(handle, etagValue, REJECT);
AzureIoTClient 6:73793bae15ba 1516 }
AzureIoTClient 6:73793bae15ba 1517 else
AzureIoTClient 6:73793bae15ba 1518 {
AzureIoTClient 6:73793bae15ba 1519 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_079: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ABANDONED then _DoWork shall "abandon" the message.] */
AzureIoTClient 6:73793bae15ba 1520 abandonOrAcceptMessage(handle, etagValue, ABANDON);
AzureIoTClient 6:73793bae15ba 1521 }
AzureIoTClient 6:73793bae15ba 1522 }
AzureIoTClient 6:73793bae15ba 1523 }
AzureIoTClient 6:73793bae15ba 1524 IoTHubMessage_Destroy(receivedMessage);
AzureIoTClient 6:73793bae15ba 1525 }
AzureIoTClient 6:73793bae15ba 1526 }
AzureIoTClient 6:73793bae15ba 1527
AzureIoTClient 6:73793bae15ba 1528 }
AzureIoTClient 6:73793bae15ba 1529 }
AzureIoTClient 6:73793bae15ba 1530 }
AzureIoTClient 6:73793bae15ba 1531 BUFFER_delete(responseContent);
AzureIoTClient 6:73793bae15ba 1532 }
AzureIoTClient 6:73793bae15ba 1533 HTTPHeaders_Free(responseHTTPHeaders);
AzureIoTClient 6:73793bae15ba 1534 }
AzureIoTClient 6:73793bae15ba 1535 }
AzureIoTClient 6:73793bae15ba 1536 else
AzureIoTClient 6:73793bae15ba 1537 {
AzureIoTClient 6:73793bae15ba 1538 /*isPollingAllowed is false... */
AzureIoTClient 6:73793bae15ba 1539 /*do nothing "shall be ignored*/
AzureIoTClient 6:73793bae15ba 1540 }
AzureIoTClient 6:73793bae15ba 1541 }
AzureIoTClient 6:73793bae15ba 1542 }
AzureIoTClient 6:73793bae15ba 1543
AzureIoTClient 6:73793bae15ba 1544 void IoTHubTransportHttp_DoWork(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient 6:73793bae15ba 1545 {
AzureIoTClient 6:73793bae15ba 1546 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_017: [If parameter handle is NULL or parameter iotHubClientHandle then IoTHubTransportHttp_DoWork shall immeditely return.]*/
AzureIoTClient 6:73793bae15ba 1547 if ((handle != NULL) && (iotHubClientHandle != NULL))
AzureIoTClient 6:73793bae15ba 1548 {
AzureIoTClient 6:73793bae15ba 1549 DoEvent(handle, iotHubClientHandle);
AzureIoTClient 6:73793bae15ba 1550 DoMessages(handle, iotHubClientHandle);
AzureIoTClient 6:73793bae15ba 1551 }
AzureIoTClient 6:73793bae15ba 1552 }
AzureIoTClient 6:73793bae15ba 1553
AzureIoTClient 6:73793bae15ba 1554 IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(TRANSPORT_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 6:73793bae15ba 1555 {
AzureIoTClient 6:73793bae15ba 1556 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 6:73793bae15ba 1557
AzureIoTClient 6:73793bae15ba 1558 /* Codes_SRS_IOTHUBTRANSPORTTHTTP_09_001: [IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter] */
AzureIoTClient 6:73793bae15ba 1559 if (handle == NULL)
AzureIoTClient 6:73793bae15ba 1560 {
AzureIoTClient 6:73793bae15ba 1561 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 6:73793bae15ba 1562 LogError("Invalid handle to IoTHubClient HTTP transport instance.\r\n");
AzureIoTClient 6:73793bae15ba 1563 }
AzureIoTClient 6:73793bae15ba 1564 else if (iotHubClientStatus == NULL)
AzureIoTClient 6:73793bae15ba 1565 {
AzureIoTClient 6:73793bae15ba 1566 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 6:73793bae15ba 1567 LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.\r\n");
AzureIoTClient 6:73793bae15ba 1568 }
AzureIoTClient 6:73793bae15ba 1569 else
AzureIoTClient 6:73793bae15ba 1570 {
AzureIoTClient 6:73793bae15ba 1571 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 6:73793bae15ba 1572
AzureIoTClient 6:73793bae15ba 1573 /* 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 6:73793bae15ba 1574 if (!DList_IsListEmpty(handleData->waitingToSend))
AzureIoTClient 6:73793bae15ba 1575 {
AzureIoTClient 6:73793bae15ba 1576 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 6:73793bae15ba 1577 }
AzureIoTClient 6:73793bae15ba 1578 /* 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 6:73793bae15ba 1579 else
AzureIoTClient 6:73793bae15ba 1580 {
AzureIoTClient 6:73793bae15ba 1581 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 6:73793bae15ba 1582 }
AzureIoTClient 6:73793bae15ba 1583
AzureIoTClient 6:73793bae15ba 1584 result = IOTHUB_CLIENT_OK;
AzureIoTClient 6:73793bae15ba 1585 }
AzureIoTClient 6:73793bae15ba 1586
AzureIoTClient 6:73793bae15ba 1587 return result;
AzureIoTClient 6:73793bae15ba 1588 }
AzureIoTClient 6:73793bae15ba 1589
AzureIoTClient 6:73793bae15ba 1590 IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_HANDLE handle, const char* option, const void* value)
AzureIoTClient 6:73793bae15ba 1591 {
AzureIoTClient 6:73793bae15ba 1592 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 6:73793bae15ba 1593 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_080: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 6:73793bae15ba 1594 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_081: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 6:73793bae15ba 1595 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_082: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
AzureIoTClient 6:73793bae15ba 1596 if (
AzureIoTClient 6:73793bae15ba 1597 (handle == NULL) ||
AzureIoTClient 6:73793bae15ba 1598 (option == NULL) ||
AzureIoTClient 6:73793bae15ba 1599 (value == NULL)
AzureIoTClient 6:73793bae15ba 1600 )
AzureIoTClient 6:73793bae15ba 1601 {
AzureIoTClient 6:73793bae15ba 1602 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 6:73793bae15ba 1603 LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption\r\n");
AzureIoTClient 6:73793bae15ba 1604 }
AzureIoTClient 6:73793bae15ba 1605 else
AzureIoTClient 6:73793bae15ba 1606 {
AzureIoTClient 6:73793bae15ba 1607 HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient 6:73793bae15ba 1608 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_097: ["Batching"] */
AzureIoTClient 6:73793bae15ba 1609 if (strcmp("Batching", option) == 0)
AzureIoTClient 6:73793bae15ba 1610 {
AzureIoTClient 6:73793bae15ba 1611 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_083: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] */
AzureIoTClient 6:73793bae15ba 1612 handleData->doBatchedTransfers = *(bool*)value;
AzureIoTClient 6:73793bae15ba 1613 result = IOTHUB_CLIENT_OK;
AzureIoTClient 6:73793bae15ba 1614 }
AzureIoTClient 6:73793bae15ba 1615 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_114: ["MinimumPollingTime"] */
AzureIoTClient 6:73793bae15ba 1616 else if (strcmp("MinimumPollingTime", option) == 0)
AzureIoTClient 6:73793bae15ba 1617 {
AzureIoTClient 6:73793bae15ba 1618 handleData->getMinimumPollingTime = *(unsigned int*)value;
AzureIoTClient 6:73793bae15ba 1619 result = IOTHUB_CLIENT_OK;
AzureIoTClient 6:73793bae15ba 1620 }
AzureIoTClient 6:73793bae15ba 1621 else
AzureIoTClient 6:73793bae15ba 1622 {
AzureIoTClient 6:73793bae15ba 1623 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_084: [Otherwise, IoTHubTransport_Http shall call HTTPAPIEX_SetOption with the same parameters and return the translated code.] */
AzureIoTClient 6:73793bae15ba 1624 HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
AzureIoTClient 6:73793bae15ba 1625 /*Codes_SRS_IOTHUBTRANSPORTTHTTP_02_086: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] */
AzureIoTClient 6:73793bae15ba 1626 if (HTTPAPIEX_result == HTTPAPIEX_OK)
AzureIoTClient 6:73793bae15ba 1627 {
AzureIoTClient 6:73793bae15ba 1628 result = IOTHUB_CLIENT_OK;
AzureIoTClient 6:73793bae15ba 1629 }
AzureIoTClient 6:73793bae15ba 1630 else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
AzureIoTClient 6:73793bae15ba 1631 {
AzureIoTClient 6:73793bae15ba 1632 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 6:73793bae15ba 1633 LogError("HTTPAPIEX_SetOption failed\r\n");
AzureIoTClient 6:73793bae15ba 1634 }
AzureIoTClient 6:73793bae15ba 1635 else
AzureIoTClient 6:73793bae15ba 1636 {
AzureIoTClient 6:73793bae15ba 1637 result = IOTHUB_CLIENT_ERROR;
AzureIoTClient 6:73793bae15ba 1638 LogError("HTTPAPIEX_SetOption failed\r\n");
AzureIoTClient 6:73793bae15ba 1639 }
AzureIoTClient 6:73793bae15ba 1640 }
AzureIoTClient 6:73793bae15ba 1641 }
AzureIoTClient 6:73793bae15ba 1642 return result;
AzureIoTClient 6:73793bae15ba 1643 }