iothub_http_transport - Microsoft Azure IoTHub client HTTP transport

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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@14:fae5c6b2cce3, 2016-03-25 (annotated)

Committer:: Azure.IoT Build
Date:: Fri Mar 25 15:59:57 2016 -0700
Revision:: 14:fae5c6b2cce3
Parent:: 13:848d52f93daf
Child:: 15:52602fffff8d

Release 1.0.3

Who changed what in which revision?

User	Revision	Line number	New 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	11:495deb847d9c	11	#include "iothub_client_version.h"
AzureIoTClient	6:73793bae15ba	12	#include "iothub_client_private.h"
AzureIoTClient	6:73793bae15ba	13	#include "iothubtransporthttp.h"
AzureIoTClient	6:73793bae15ba	14
AzureIoTClient	6:73793bae15ba	15	#include "httpapiexsas.h"
AzureIoTClient	6:73793bae15ba	16	#include "urlencode.h"
AzureIoTClient	6:73793bae15ba	17	#include "iot_logging.h"
AzureIoTClient	6:73793bae15ba	18	#include "httpapiex.h"
AzureIoTClient	6:73793bae15ba	19	#include "httpapiexsas.h"
AzureIoTClient	6:73793bae15ba	20	#include "strings.h"
AzureIoTClient	6:73793bae15ba	21	#include "base64.h"
AzureIoTClient	6:73793bae15ba	22	#include "doublylinkedlist.h"
Azure.IoT Build	13:848d52f93daf	23	#include "vector.h"
AzureIoTClient	6:73793bae15ba	24	#include "httpheaders.h"
AzureIoTClient	6:73793bae15ba	25	#include "agenttime.h"
AzureIoTClient	6:73793bae15ba	26
AzureIoTClient	6:73793bae15ba	27	#define IOTHUB_APP_PREFIX "iothub-app-"
AzureIoTClient	7:48f0f78cd3ef	28	const char* IOTHUB_MESSAGE_ID = "iothub-messageid";
AzureIoTClient	7:48f0f78cd3ef	29	const char* IOTHUB_CORRELATION_ID = "iothub-correlationid";
AzureIoTClient	6:73793bae15ba	30
AzureIoTClient	6:73793bae15ba	31	#define CONTENT_TYPE "Content-Type"
AzureIoTClient	6:73793bae15ba	32	#define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient	6:73793bae15ba	33	#define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient	6:73793bae15ba	34
AzureIoTClient	6:73793bae15ba	35	/DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)/
AzureIoTClient	6:73793bae15ba	36	/the default is 25 minutes/
AzureIoTClient	6:73793bae15ba	37	#define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient	6:73793bae15ba	38
AzureIoTClient	6:73793bae15ba	39	#define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient	6:73793bae15ba	40	#define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient	6:73793bae15ba	41	#define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient	6:73793bae15ba	42
AzureIoTClient	6:73793bae15ba	43	/forward declaration/
AzureIoTClient	6:73793bae15ba	44	static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient	6:73793bae15ba	45
Azure.IoT Build	13:848d52f93daf	46	/Codes_SRS_TRANSPORTMULTITHTTP_17_125: [This function shall return a pointer to a structure of type TRANSPORT_PROVIDER having the following values for its fields:] /
AzureIoTClient	6:73793bae15ba	47	static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient	6:73793bae15ba	48	{
AzureIoTClient	6:73793bae15ba	49	IoTHubTransportHttp_SetOption, /pfIoTHubTransport_SetOption IoTHubTransport_SetOption; /
AzureIoTClient	6:73793bae15ba	50	IoTHubTransportHttp_Create, /pfIoTHubTransport_Create IoTHubTransport_Create; /
AzureIoTClient	6:73793bae15ba	51	IoTHubTransportHttp_Destroy, /pfIoTHubTransport_Destroy IoTHubTransport_Destroy; /
Azure.IoT Build	13:848d52f93daf	52	IoTHubTransportHttp_Register, /* pfIotHubTransport_Register IoTHubTransport_Register; */
Azure.IoT Build	13:848d52f93daf	53	IoTHubTransportHttp_Unregister, /* pfIotHubTransport_Unregister IoTHubTransport_Unegister; */
AzureIoTClient	6:73793bae15ba	54	IoTHubTransportHttp_Subscribe, /pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe; /
AzureIoTClient	6:73793bae15ba	55	IoTHubTransportHttp_Unsubscribe, /pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe; /
AzureIoTClient	6:73793bae15ba	56	IoTHubTransportHttp_DoWork, /pfIoTHubTransport_DoWork IoTHubTransport_DoWork; /
AzureIoTClient	6:73793bae15ba	57	IoTHubTransportHttp_GetSendStatus /* pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus */
AzureIoTClient	6:73793bae15ba	58	};
AzureIoTClient	6:73793bae15ba	59
AzureIoTClient	6:73793bae15ba	60	const void* HTTP_Protocol(void)
AzureIoTClient	6:73793bae15ba	61	{
AzureIoTClient	6:73793bae15ba	62	return &thisTransportProvider;
AzureIoTClient	6:73793bae15ba	63	}
AzureIoTClient	6:73793bae15ba	64
Azure.IoT Build	13:848d52f93daf	65
AzureIoTClient	6:73793bae15ba	66	typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient	6:73793bae15ba	67	{
Azure.IoT Build	13:848d52f93daf	68	STRING_HANDLE hostName;
Azure.IoT Build	13:848d52f93daf	69	HTTPAPIEX_HANDLE httpApiExHandle;
Azure.IoT Build	13:848d52f93daf	70	bool doBatchedTransfers;
Azure.IoT Build	13:848d52f93daf	71	unsigned int getMinimumPollingTime;
Azure.IoT Build	13:848d52f93daf	72	VECTOR_HANDLE perDeviceList;
Azure.IoT Build	13:848d52f93daf	73	}HTTPTRANSPORT_HANDLE_DATA;
Azure.IoT Build	13:848d52f93daf	74
Azure.IoT Build	13:848d52f93daf	75	typedef struct HTTPTRANSPORT_PERDEVICE_DATA_TAG
Azure.IoT Build	13:848d52f93daf	76	{
Azure.IoT Build	13:848d52f93daf	77	HTTPTRANSPORT_HANDLE_DATA* transportHandle;
Azure.IoT Build	13:848d52f93daf	78
Azure.IoT Build	13:848d52f93daf	79	STRING_HANDLE deviceId;
Azure.IoT Build	13:848d52f93daf	80	STRING_HANDLE deviceKey;
AzureIoTClient	6:73793bae15ba	81	STRING_HANDLE eventHTTPrelativePath;
AzureIoTClient	6:73793bae15ba	82	STRING_HANDLE messageHTTPrelativePath;
AzureIoTClient	6:73793bae15ba	83	HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
AzureIoTClient	6:73793bae15ba	84	HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
AzureIoTClient	6:73793bae15ba	85	STRING_HANDLE abandonHTTPrelativePathBegin;
AzureIoTClient	6:73793bae15ba	86	HTTPAPIEX_SAS_HANDLE sasObject;
AzureIoTClient	6:73793bae15ba	87	bool DoWork_PullMessage;
AzureIoTClient	6:73793bae15ba	88	time_t lastPollTime;
Azure.IoT Build	13:848d52f93daf	89	bool isFirstPoll;
Azure.IoT Build	13:848d52f93daf	90
Azure.IoT Build	13:848d52f93daf	91	IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
AzureIoTClient	6:73793bae15ba	92	PDLIST_ENTRY waitingToSend;
AzureIoTClient	6:73793bae15ba	93	DLIST_ENTRY eventConfirmations; /holds items for event confirmations/
Azure.IoT Build	13:848d52f93daf	94	} HTTPTRANSPORT_PERDEVICE_DATA;
AzureIoTClient	6:73793bae15ba	95
Azure.IoT Build	13:848d52f93daf	96	static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	97	{
AzureIoTClient	6:73793bae15ba	98	STRING_delete(handleData->eventHTTPrelativePath);
AzureIoTClient	6:73793bae15ba	99	handleData->eventHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	100	}
AzureIoTClient	6:73793bae15ba	101
Azure.IoT Build	13:848d52f93daf	102	static bool create_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	103	{
Azure.IoT Build	13:848d52f93daf	104	/Codes_SRS_TRANSPORTMULTITHTTP_17_017: [ IoTHubTransportHttp_Register shall create an immutable string (further called "event HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(deviceId) + "/messages/events" + APIVERSION. ]/
AzureIoTClient	6:73793bae15ba	105	bool result;
Azure.IoT Build	13:848d52f93daf	106	STRING_HANDLE urlEncodedDeviceId;
AzureIoTClient	6:73793bae15ba	107	handleData->eventHTTPrelativePath = STRING_construct("/devices/");
AzureIoTClient	6:73793bae15ba	108	if (handleData->eventHTTPrelativePath == NULL)
AzureIoTClient	6:73793bae15ba	109	{
Azure.IoT Build	13:848d52f93daf	110	LogError("STRING_construct failed.");
AzureIoTClient	6:73793bae15ba	111	result = false;
AzureIoTClient	6:73793bae15ba	112	}
Azure.IoT Build	13:848d52f93daf	113	else
Azure.IoT Build	13:848d52f93daf	114	{
Azure.IoT Build	13:848d52f93daf	115	if (!(
Azure.IoT Build	13:848d52f93daf	116	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
AzureIoTClient	6:73793bae15ba	117	(STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
AzureIoTClient	6:73793bae15ba	118	(STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
AzureIoTClient	6:73793bae15ba	119	))
AzureIoTClient	6:73793bae15ba	120	{
Azure.IoT Build	13:848d52f93daf	121	/Codes_SRS_TRANSPORTMULTITHTTP_17_018: [ If creating the string fail for any reason then IoTHubTransportHttp_Register shall fail and return NULL. ]/
AzureIoTClient	6:73793bae15ba	122	destroy_eventHTTPrelativePath(handleData);
Azure.IoT Build	13:848d52f93daf	123	LogError("Creating HTTP event relative path failed.");
AzureIoTClient	6:73793bae15ba	124	result = false;
AzureIoTClient	6:73793bae15ba	125	}
AzureIoTClient	6:73793bae15ba	126	else
AzureIoTClient	6:73793bae15ba	127	{
AzureIoTClient	6:73793bae15ba	128	result = true;
AzureIoTClient	6:73793bae15ba	129	}
AzureIoTClient	6:73793bae15ba	130	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	13:848d52f93daf	131	}
AzureIoTClient	6:73793bae15ba	132	return result;
AzureIoTClient	6:73793bae15ba	133	}
AzureIoTClient	6:73793bae15ba	134
Azure.IoT Build	13:848d52f93daf	135	static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	136	{
AzureIoTClient	6:73793bae15ba	137	STRING_delete(handleData->messageHTTPrelativePath);
AzureIoTClient	6:73793bae15ba	138	handleData->messageHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	139	}
AzureIoTClient	6:73793bae15ba	140
Azure.IoT Build	13:848d52f93daf	141	static bool create_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	142	{
AzureIoTClient	6:73793bae15ba	143	bool result;
AzureIoTClient	6:73793bae15ba	144	handleData->messageHTTPrelativePath = STRING_construct("/devices/");
AzureIoTClient	6:73793bae15ba	145	if (handleData->messageHTTPrelativePath == NULL)
AzureIoTClient	6:73793bae15ba	146	{
Azure.IoT Build	13:848d52f93daf	147	LogError("STRING_construct failed.");
AzureIoTClient	6:73793bae15ba	148	result = false;
AzureIoTClient	6:73793bae15ba	149	}
AzureIoTClient	6:73793bae15ba	150	else
AzureIoTClient	6:73793bae15ba	151	{
Azure.IoT Build	13:848d52f93daf	152	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	13:848d52f93daf	153	/Codes_SRS_TRANSPORTMULTITHTTP_17_019: [ IoTHubTransportHttp_Register shall create an immutable string (further called "message HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(deviceId) + "/messages/devicebound" + APIVERSION. ]/
AzureIoTClient	6:73793bae15ba	154	if (!(
Azure.IoT Build	13:848d52f93daf	155	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
AzureIoTClient	6:73793bae15ba	156	(STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
AzureIoTClient	6:73793bae15ba	157	(STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
AzureIoTClient	6:73793bae15ba	158	))
AzureIoTClient	6:73793bae15ba	159	{
Azure.IoT Build	13:848d52f93daf	160	/Codes_SRS_TRANSPORTMULTITHTTP_17_020: [ If creating the message HTTP relative path fails, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	13:848d52f93daf	161	LogError("Creating HTTP message relative path failed.");
AzureIoTClient	6:73793bae15ba	162	result = false;
AzureIoTClient	6:73793bae15ba	163	destroy_messageHTTPrelativePath(handleData);
AzureIoTClient	6:73793bae15ba	164	}
AzureIoTClient	6:73793bae15ba	165	else
AzureIoTClient	6:73793bae15ba	166	{
AzureIoTClient	6:73793bae15ba	167	result = true;
AzureIoTClient	6:73793bae15ba	168	}
AzureIoTClient	6:73793bae15ba	169	STRING_delete(urlEncodedDeviceId);
AzureIoTClient	6:73793bae15ba	170	}
AzureIoTClient	6:73793bae15ba	171
AzureIoTClient	6:73793bae15ba	172	return result;
AzureIoTClient	6:73793bae15ba	173	}
AzureIoTClient	6:73793bae15ba	174
Azure.IoT Build	13:848d52f93daf	175	static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	176	{
AzureIoTClient	6:73793bae15ba	177	HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
AzureIoTClient	6:73793bae15ba	178	handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient	6:73793bae15ba	179	}
AzureIoTClient	6:73793bae15ba	180
Azure.IoT Build	13:848d52f93daf	181	static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	182	{
Azure.IoT Build	13:848d52f93daf	183	/*Codes_SRS_TRANSPORTMULTITHTTP_17_021: [ IoTHubTransportHttp_Register shall create a set of HTTP headers (further called "event HTTP request headers") consisting of the following fixed field names and values: "iothub-to":"/devices/" + URL_ENCODED(deviceId) + "/messages/events"; "Authorization":""
AzureIoTClient	6:73793bae15ba	184	"Accept":"application/json"
Azure.IoT Build	13:848d52f93daf	185	"Connection":"Keep-Alive" ]*/
AzureIoTClient	6:73793bae15ba	186	bool result;
AzureIoTClient	6:73793bae15ba	187	handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
AzureIoTClient	6:73793bae15ba	188	if (handleData->eventHTTPrequestHeaders == NULL)
AzureIoTClient	6:73793bae15ba	189	{
Azure.IoT Build	13:848d52f93daf	190	LogError("HTTPHeaders_Alloc failed.");
AzureIoTClient	6:73793bae15ba	191	result = false;
AzureIoTClient	6:73793bae15ba	192	}
AzureIoTClient	6:73793bae15ba	193	else
AzureIoTClient	6:73793bae15ba	194	{
AzureIoTClient	6:73793bae15ba	195	STRING_HANDLE temp = STRING_construct("/devices/");
AzureIoTClient	6:73793bae15ba	196	if (temp == NULL)
AzureIoTClient	6:73793bae15ba	197	{
Azure.IoT Build	13:848d52f93daf	198	LogError("STRING_construct failed.");
AzureIoTClient	6:73793bae15ba	199	result = false;
AzureIoTClient	6:73793bae15ba	200	destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient	6:73793bae15ba	201	}
AzureIoTClient	6:73793bae15ba	202	else
AzureIoTClient	6:73793bae15ba	203	{
Azure.IoT Build	13:848d52f93daf	204	STRING_HANDLE urlEncodedDeviceId;
AzureIoTClient	6:73793bae15ba	205	if (!(
Azure.IoT Build	13:848d52f93daf	206	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
AzureIoTClient	6:73793bae15ba	207	(STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
AzureIoTClient	6:73793bae15ba	208	(STRING_concat(temp, EVENT_ENDPOINT) == 0)
AzureIoTClient	6:73793bae15ba	209	))
AzureIoTClient	6:73793bae15ba	210	{
Azure.IoT Build	13:848d52f93daf	211	LogError("deviceId construction failed.");
AzureIoTClient	6:73793bae15ba	212	result = false;
AzureIoTClient	6:73793bae15ba	213	destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient	6:73793bae15ba	214	}
AzureIoTClient	6:73793bae15ba	215	else
AzureIoTClient	6:73793bae15ba	216	{
AzureIoTClient	6:73793bae15ba	217	if (!(
AzureIoTClient	6:73793bae15ba	218	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient	6:73793bae15ba	219	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
AzureIoTClient	6:73793bae15ba	220	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
AzureIoTClient	9:0b2cab6cfc60	221	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK) &&
AzureIoTClient	10:b012891d0a54	222	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	223	))
AzureIoTClient	6:73793bae15ba	224	{
Azure.IoT Build	13:848d52f93daf	225	/Codes_SRS_TRANSPORTMULTITHTTP_17_022: [ If creating the event HTTP request headers fails, then IoTHubTransportHttp_Register shall fail and return NULL.] /
Azure.IoT Build	13:848d52f93daf	226	LogError("adding header properties failed.");
AzureIoTClient	6:73793bae15ba	227	result = false;
AzureIoTClient	6:73793bae15ba	228	destroy_eventHTTPrequestHeaders(handleData);
AzureIoTClient	6:73793bae15ba	229	}
AzureIoTClient	6:73793bae15ba	230	else
AzureIoTClient	6:73793bae15ba	231	{
AzureIoTClient	6:73793bae15ba	232	result = true;
AzureIoTClient	6:73793bae15ba	233	}
AzureIoTClient	6:73793bae15ba	234	}
Azure.IoT Build	13:848d52f93daf	235	STRING_delete(urlEncodedDeviceId);
AzureIoTClient	6:73793bae15ba	236	STRING_delete(temp);
Azure.IoT Build	13:848d52f93daf	237	}
Azure.IoT Build	13:848d52f93daf	238	}
Azure.IoT Build	13:848d52f93daf	239	return result;
Azure.IoT Build	13:848d52f93daf	240	}
Azure.IoT Build	13:848d52f93daf	241
Azure.IoT Build	13:848d52f93daf	242	static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	243	{
Azure.IoT Build	13:848d52f93daf	244	HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
Azure.IoT Build	13:848d52f93daf	245	handleData->messageHTTPrequestHeaders = NULL;
Azure.IoT Build	13:848d52f93daf	246	}
Azure.IoT Build	13:848d52f93daf	247
Azure.IoT Build	13:848d52f93daf	248	static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	249	{
Azure.IoT Build	13:848d52f93daf	250	/*Codes_SRS_TRANSPORTMULTITHTTP_17_132: [ IoTHubTransportHttp_Register shall create a set of HTTP headers (further called "message HTTP request headers") consisting of the following fixed field names and values:
Azure.IoT Build	13:848d52f93daf	251	"Authorization": "" ]*/
Azure.IoT Build	13:848d52f93daf	252	bool result;
Azure.IoT Build	13:848d52f93daf	253	handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	13:848d52f93daf	254	if (handleData->messageHTTPrequestHeaders == NULL)
Azure.IoT Build	13:848d52f93daf	255	{
Azure.IoT Build	13:848d52f93daf	256	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	13:848d52f93daf	257	result = false;
Azure.IoT Build	13:848d52f93daf	258	}
Azure.IoT Build	13:848d52f93daf	259	else
Azure.IoT Build	13:848d52f93daf	260	{
Azure.IoT Build	13:848d52f93daf	261	if (!(
Azure.IoT Build	13:848d52f93daf	262	(HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
Azure.IoT Build	13:848d52f93daf	263	(HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK)
Azure.IoT Build	13:848d52f93daf	264	))
Azure.IoT Build	13:848d52f93daf	265	{
Azure.IoT Build	13:848d52f93daf	266	/Codes_SRS_TRANSPORTMULTITHTTP_17_023: [ If creating message HTTP request headers then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	13:848d52f93daf	267	destroy_messageHTTPrequestHeaders(handleData);
Azure.IoT Build	13:848d52f93daf	268	LogError("adding header properties failed.");
Azure.IoT Build	13:848d52f93daf	269	result = false;
Azure.IoT Build	13:848d52f93daf	270	}
Azure.IoT Build	13:848d52f93daf	271	else
Azure.IoT Build	13:848d52f93daf	272	{
Azure.IoT Build	13:848d52f93daf	273	result = true;
AzureIoTClient	6:73793bae15ba	274	}
AzureIoTClient	6:73793bae15ba	275	}
AzureIoTClient	6:73793bae15ba	276	return result;
AzureIoTClient	6:73793bae15ba	277	}
AzureIoTClient	6:73793bae15ba	278
Azure.IoT Build	13:848d52f93daf	279	static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	280	{
Azure.IoT Build	13:848d52f93daf	281	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	13:848d52f93daf	282	handleData->abandonHTTPrelativePathBegin = NULL;
Azure.IoT Build	13:848d52f93daf	283	}
Azure.IoT Build	13:848d52f93daf	284
Azure.IoT Build	13:848d52f93daf	285	static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	286	{
Azure.IoT Build	13:848d52f93daf	287	/Codes_SRS_TRANSPORTMULTITHTTP_17_024: [ IoTHubTransportHttp_Register shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin. ]/
Azure.IoT Build	13:848d52f93daf	288	bool result;
Azure.IoT Build	13:848d52f93daf	289	handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
Azure.IoT Build	13:848d52f93daf	290	if (handleData->abandonHTTPrelativePathBegin == NULL)
Azure.IoT Build	13:848d52f93daf	291	{
Azure.IoT Build	13:848d52f93daf	292	result = false;
Azure.IoT Build	13:848d52f93daf	293	}
Azure.IoT Build	13:848d52f93daf	294	else
Azure.IoT Build	13:848d52f93daf	295	{
Azure.IoT Build	13:848d52f93daf	296	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	13:848d52f93daf	297	if (!(
Azure.IoT Build	13:848d52f93daf	298	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	13:848d52f93daf	299	(STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	13:848d52f93daf	300	(STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
Azure.IoT Build	13:848d52f93daf	301	))
Azure.IoT Build	13:848d52f93daf	302	{
Azure.IoT Build	13:848d52f93daf	303	/Codes_SRS_TRANSPORTMULTITHTTP_17_025: [ If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	13:848d52f93daf	304	LogError("unable to create abandon path string.\r\n");
Azure.IoT Build	13:848d52f93daf	305	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	13:848d52f93daf	306	result = false;
Azure.IoT Build	13:848d52f93daf	307	}
Azure.IoT Build	13:848d52f93daf	308	else
Azure.IoT Build	13:848d52f93daf	309	{
Azure.IoT Build	13:848d52f93daf	310	result = true;
Azure.IoT Build	13:848d52f93daf	311	}
Azure.IoT Build	13:848d52f93daf	312	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	13:848d52f93daf	313	}
Azure.IoT Build	13:848d52f93daf	314	return result;
Azure.IoT Build	13:848d52f93daf	315	}
Azure.IoT Build	13:848d52f93daf	316
Azure.IoT Build	13:848d52f93daf	317	static void destroy_SASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	318	{
Azure.IoT Build	13:848d52f93daf	319	HTTPAPIEX_SAS_Destroy(handleData->sasObject);
Azure.IoT Build	13:848d52f93daf	320	handleData->sasObject = NULL;
Azure.IoT Build	13:848d52f93daf	321	}
Azure.IoT Build	13:848d52f93daf	322
Azure.IoT Build	13:848d52f93daf	323	static bool create_deviceSASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData, STRING_HANDLE hostName, const char * deviceId, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	324	{
Azure.IoT Build	13:848d52f93daf	325	STRING_HANDLE keyName;
Azure.IoT Build	13:848d52f93daf	326	bool result;
Azure.IoT Build	13:848d52f93daf	327	/Codes_SRS_TRANSPORTMULTITHTTP_17_026: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]/
Azure.IoT Build	13:848d52f93daf	328	keyName = URL_EncodeString(deviceId);
Azure.IoT Build	13:848d52f93daf	329	if (keyName == NULL)
Azure.IoT Build	13:848d52f93daf	330	{
Azure.IoT Build	13:848d52f93daf	331	/Codes_SRS_TRANSPORTMULTITHTTP_17_027: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	332	LogError("URL_EncodeString keyname failed");
Azure.IoT Build	13:848d52f93daf	333	result = false;
Azure.IoT Build	13:848d52f93daf	334	}
Azure.IoT Build	13:848d52f93daf	335	else
Azure.IoT Build	13:848d52f93daf	336	{
Azure.IoT Build	13:848d52f93daf	337	STRING_HANDLE uriResource;
Azure.IoT Build	13:848d52f93daf	338	/Codes_SRS_TRANSPORTMULTITHTTP_17_028: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]/
Azure.IoT Build	13:848d52f93daf	339	uriResource = STRING_clone(hostName);
Azure.IoT Build	13:848d52f93daf	340	/Codes_SRS_TRANSPORTMULTITHTTP_17_029: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	341	if (uriResource != NULL)
Azure.IoT Build	13:848d52f93daf	342	{
Azure.IoT Build	13:848d52f93daf	343	/Codes_SRS_TRANSPORTMULTITHTTP_17_030: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]/
Azure.IoT Build	13:848d52f93daf	344	/Codes_SRS_TRANSPORTMULTITHTTP_17_141: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	345	/Codes_SRS_TRANSPORTMULTITHTTP_17_031: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]/
Azure.IoT Build	13:848d52f93daf	346	/Codes_SRS_TRANSPORTMULTITHTTP_17_032: [If the STRING_concat_with_STRING fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	347	if ((STRING_concat(uriResource, "/devices/") == 0) &&
Azure.IoT Build	13:848d52f93daf	348	(STRING_concat_with_STRING(uriResource, keyName) == 0))
Azure.IoT Build	13:848d52f93daf	349	{
Azure.IoT Build	13:848d52f93daf	350	/Codes_SRS_TRANSPORTMULTITHTTP_17_033: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]/
Azure.IoT Build	13:848d52f93daf	351	/Codes_SRS_TRANSPORTMULTITHTTP_17_034: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	352	STRING_HANDLE key = STRING_construct(deviceKey);
Azure.IoT Build	13:848d52f93daf	353	if (key != NULL)
Azure.IoT Build	13:848d52f93daf	354	{
Azure.IoT Build	13:848d52f93daf	355	/Codes_SRS_TRANSPORTMULTITHTTP_17_035: [The keyName is shortened to zero length, if that fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	356	if (STRING_empty(keyName) != 0)
Azure.IoT Build	13:848d52f93daf	357	{
Azure.IoT Build	13:848d52f93daf	358	LogError("Unable to form the device key name for the SAS\r\n");
Azure.IoT Build	13:848d52f93daf	359	result = false;
Azure.IoT Build	13:848d52f93daf	360	}
Azure.IoT Build	13:848d52f93daf	361	else
Azure.IoT Build	13:848d52f93daf	362	{
Azure.IoT Build	13:848d52f93daf	363	/Codes_SRS_TRANSPORTMULTITHTTP_17_036: [IoTHubTransportHttp_Create shall invoke HTTPAPIEX_SAS_Create with arguments key, uriResource, and zero length keyName.]/
Azure.IoT Build	13:848d52f93daf	364	/Codes_SRS_TRANSPORTMULTITHTTP_17_037: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	13:848d52f93daf	365	handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
Azure.IoT Build	13:848d52f93daf	366	result = (handleData->sasObject != NULL) ? (true) : (false);
Azure.IoT Build	13:848d52f93daf	367	}
Azure.IoT Build	13:848d52f93daf	368	STRING_delete(key);
Azure.IoT Build	13:848d52f93daf	369	}
Azure.IoT Build	13:848d52f93daf	370	else
Azure.IoT Build	13:848d52f93daf	371	{
Azure.IoT Build	13:848d52f93daf	372	LogError("STRING_construct Key failed");
Azure.IoT Build	13:848d52f93daf	373	result = false;
Azure.IoT Build	13:848d52f93daf	374	}
Azure.IoT Build	13:848d52f93daf	375	}
Azure.IoT Build	13:848d52f93daf	376	else
Azure.IoT Build	13:848d52f93daf	377	{
Azure.IoT Build	13:848d52f93daf	378	LogError("STRING_concat uri resource failed");
Azure.IoT Build	13:848d52f93daf	379	result = false;
Azure.IoT Build	13:848d52f93daf	380	}
Azure.IoT Build	13:848d52f93daf	381	STRING_delete(uriResource);
Azure.IoT Build	13:848d52f93daf	382	}
Azure.IoT Build	13:848d52f93daf	383	else
Azure.IoT Build	13:848d52f93daf	384	{
Azure.IoT Build	13:848d52f93daf	385	LogError("STRING_staticclone uri resource failed");
Azure.IoT Build	13:848d52f93daf	386	result = false;
Azure.IoT Build	13:848d52f93daf	387	}
Azure.IoT Build	13:848d52f93daf	388	STRING_delete(keyName);
Azure.IoT Build	13:848d52f93daf	389	}
Azure.IoT Build	13:848d52f93daf	390	return result;
Azure.IoT Build	13:848d52f93daf	391	}
Azure.IoT Build	13:848d52f93daf	392
Azure.IoT Build	13:848d52f93daf	393	static void destroy_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	394	{
Azure.IoT Build	13:848d52f93daf	395	STRING_delete(handleData->deviceId);
Azure.IoT Build	13:848d52f93daf	396	handleData->deviceId = NULL;
Azure.IoT Build	13:848d52f93daf	397	}
Azure.IoT Build	13:848d52f93daf	398
Azure.IoT Build	13:848d52f93daf	399	static bool create_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	400	{
Azure.IoT Build	13:848d52f93daf	401	/Codes_SRS_TRANSPORTMULTITHTTP_17_133: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceId") from config->deviceConfig->deviceId. ]/
Azure.IoT Build	13:848d52f93daf	402	bool result;
Azure.IoT Build	13:848d52f93daf	403	handleData->deviceId = STRING_construct(deviceId);
Azure.IoT Build	13:848d52f93daf	404	if (handleData->deviceId == NULL)
Azure.IoT Build	13:848d52f93daf	405	{
Azure.IoT Build	13:848d52f93daf	406	/Codes_SRS_TRANSPORTMULTITHTTP_17_134: [ If deviceId is not created, then IoTHubTransportHttp_Register shall fail and return NULL. /
Azure.IoT Build	13:848d52f93daf	407	LogError("STRING_construct deviceId failed");
Azure.IoT Build	13:848d52f93daf	408	result = false;
Azure.IoT Build	13:848d52f93daf	409	}
Azure.IoT Build	13:848d52f93daf	410	else
Azure.IoT Build	13:848d52f93daf	411	{
Azure.IoT Build	13:848d52f93daf	412	result = true;
Azure.IoT Build	13:848d52f93daf	413	}
Azure.IoT Build	13:848d52f93daf	414	return result;
Azure.IoT Build	13:848d52f93daf	415	}
Azure.IoT Build	13:848d52f93daf	416
Azure.IoT Build	13:848d52f93daf	417	static void destroy_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	418	{
Azure.IoT Build	13:848d52f93daf	419	STRING_delete(handleData->deviceKey);
Azure.IoT Build	13:848d52f93daf	420	handleData->deviceKey = NULL;
Azure.IoT Build	13:848d52f93daf	421	}
Azure.IoT Build	13:848d52f93daf	422
Azure.IoT Build	13:848d52f93daf	423	static bool create_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	424	{
Azure.IoT Build	13:848d52f93daf	425	/Codes_SRS_TRANSPORTMULTITHTTP_17_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceKey") from deviceKey. ]/
Azure.IoT Build	13:848d52f93daf	426	bool result;
Azure.IoT Build	13:848d52f93daf	427	handleData->deviceKey = STRING_construct(deviceKey);
Azure.IoT Build	13:848d52f93daf	428	if (handleData->deviceKey == NULL)
Azure.IoT Build	13:848d52f93daf	429	{
Azure.IoT Build	13:848d52f93daf	430	/Codes_SRS_TRANSPORTMULTITHTTP_17_136: [ If deviceKey is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	13:848d52f93daf	431	LogError("STRING_construct deviceKey failed");
Azure.IoT Build	13:848d52f93daf	432	result = false;
Azure.IoT Build	13:848d52f93daf	433	}
Azure.IoT Build	13:848d52f93daf	434	else
Azure.IoT Build	13:848d52f93daf	435	{
Azure.IoT Build	13:848d52f93daf	436	result = true;
Azure.IoT Build	13:848d52f93daf	437	}
Azure.IoT Build	13:848d52f93daf	438	return result;
Azure.IoT Build	13:848d52f93daf	439	}
Azure.IoT Build	13:848d52f93daf	440
Azure.IoT Build	13:848d52f93daf	441	/*
Azure.IoT Build	13:848d52f93daf	442	* List queries Find by handle and find by device name
Azure.IoT Build	13:848d52f93daf	443	*/
Azure.IoT Build	13:848d52f93daf	444
Azure.IoT Build	13:848d52f93daf	445	/Codes_SRS_TRANSPORTMULTITHTTP_17_137: [ IoTHubTransportHttp_Register shall search the devices list for any device matching name deviceId. If deviceId is found it shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	446	bool findDeviceHandle(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	447	{
Azure.IoT Build	13:848d52f93daf	448	bool result;
Azure.IoT Build	13:848d52f93daf	449	/* data stored at element is device handle */
Azure.IoT Build	13:848d52f93daf	450	const IOTHUB_DEVICE_HANDLE * guess = (const IOTHUB_DEVICE_HANDLE *)element;
Azure.IoT Build	13:848d52f93daf	451	const IOTHUB_DEVICE_HANDLE match = (const IOTHUB_DEVICE_HANDLE)value;
Azure.IoT Build	13:848d52f93daf	452	result = (*guess == match) ? true : false;
Azure.IoT Build	13:848d52f93daf	453	return result;
Azure.IoT Build	13:848d52f93daf	454	}
Azure.IoT Build	13:848d52f93daf	455
Azure.IoT Build	13:848d52f93daf	456	static bool findDeviceById(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	457	{
Azure.IoT Build	13:848d52f93daf	458	bool result;
Azure.IoT Build	13:848d52f93daf	459	const char* deviceId = (const char *)value;
Azure.IoT Build	13:848d52f93daf	460	const HTTPTRANSPORT_PERDEVICE_DATA * perDeviceElement = (const HTTPTRANSPORT_PERDEVICE_DATA *)element;
Azure.IoT Build	13:848d52f93daf	461
Azure.IoT Build	13:848d52f93daf	462	result = (strcmp(STRING_c_str(perDeviceElement->deviceId), deviceId) == 0);
Azure.IoT Build	13:848d52f93daf	463
Azure.IoT Build	13:848d52f93daf	464	return result;
Azure.IoT Build	13:848d52f93daf	465	}
Azure.IoT Build	13:848d52f93daf	466
Azure.IoT Build	14:fae5c6b2cce3	467	IOTHUB_DEVICE_HANDLE IoTHubTransportHttp_Register(TRANSPORT_LL_HANDLE handle, const char* deviceId, const char* deviceKey, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
Azure.IoT Build	13:848d52f93daf	468	{
Azure.IoT Build	13:848d52f93daf	469	HTTPTRANSPORT_PERDEVICE_DATA* result;
Azure.IoT Build	13:848d52f93daf	470	if (handle == NULL)
Azure.IoT Build	13:848d52f93daf	471	{
Azure.IoT Build	13:848d52f93daf	472	/Codes_SRS_TRANSPORTMULTITHTTP_17_142: [ If handle is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	473	LogError("Transport handle is NULL");
Azure.IoT Build	13:848d52f93daf	474	result = NULL;
Azure.IoT Build	13:848d52f93daf	475	}
Azure.IoT Build	13:848d52f93daf	476	else if (deviceId == NULL \|\| deviceKey == NULL \|\| waitingToSend == NULL \|\| iotHubClientHandle == NULL)
Azure.IoT Build	13:848d52f93daf	477	{
Azure.IoT Build	13:848d52f93daf	478	/Codes_SRS_TRANSPORTMULTITHTTP_17_015: [ If parameter deviceKey is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	479	/Codes_SRS_TRANSPORTMULTITHTTP_17_014: [ If parameter deviceId is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	480	/Codes_SRS_TRANSPORTMULTITHTTP_17_016: [ If parameter waitingToSend is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	481	/Codes_SRS_TRANSPORTMULTITHTTP_17_143: [ If parameter iotHubClientHandle is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	482	LogError("All parameters must be non-NULL");
Azure.IoT Build	13:848d52f93daf	483	result = NULL;
Azure.IoT Build	13:848d52f93daf	484	}
Azure.IoT Build	13:848d52f93daf	485	else
Azure.IoT Build	13:848d52f93daf	486	{
Azure.IoT Build	13:848d52f93daf	487	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	13:848d52f93daf	488	/Codes_SRS_TRANSPORTMULTITHTTP_17_137: [ IoTHubTransportHttp_Register shall search the devices list for any device matching name deviceId. If deviceId is found it shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	489	void* listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceById, deviceId);
Azure.IoT Build	13:848d52f93daf	490	if (listItem != NULL)
Azure.IoT Build	13:848d52f93daf	491	{
Azure.IoT Build	13:848d52f93daf	492	/Codes_SRS_TRANSPORTMULTITHTTP_17_137: [ IoTHubTransportHttp_Register shall search the devices list for any device matching name deviceId. If deviceId is found it shall return NULL. ]/
Azure.IoT Build	13:848d52f93daf	493	LogError("Transport already has device registered by id: [%s]", deviceId);
Azure.IoT Build	13:848d52f93daf	494	result = NULL;
Azure.IoT Build	13:848d52f93daf	495	}
Azure.IoT Build	13:848d52f93daf	496	else
Azure.IoT Build	13:848d52f93daf	497	{
Azure.IoT Build	13:848d52f93daf	498	/Codes_SRS_TRANSPORTMULTITHTTP_17_038: [ Otherwise, IoTHubTransportHttp_Register shall allocate the IOTHUB_DEVICE_HANDLE structure. ]/
Azure.IoT Build	13:848d52f93daf	499	bool was_resultCreated_ok = ((result = malloc(sizeof(HTTPTRANSPORT_PERDEVICE_DATA))) != NULL);
Azure.IoT Build	13:848d52f93daf	500	bool was_create_deviceId_ok = was_resultCreated_ok && create_deviceId(result, deviceId);
Azure.IoT Build	13:848d52f93daf	501	bool was_create_deviceKey_ok = was_create_deviceId_ok && create_deviceKey(result, deviceKey);
Azure.IoT Build	13:848d52f93daf	502	bool was_eventHTTPrelativePath_ok = was_create_deviceKey_ok && create_eventHTTPrelativePath(result, deviceId);
Azure.IoT Build	13:848d52f93daf	503	bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, deviceId);
Azure.IoT Build	13:848d52f93daf	504	bool was_eventHTTPrequestHeaders_ok = was_messageHTTPrelativePath_ok && create_eventHTTPrequestHeaders(result, deviceId);
Azure.IoT Build	13:848d52f93daf	505	bool was_messageHTTPrequestHeaders_ok = was_eventHTTPrequestHeaders_ok && create_messageHTTPrequestHeaders(result);
Azure.IoT Build	13:848d52f93daf	506	bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, deviceId);
Azure.IoT Build	13:848d52f93daf	507	bool was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, handleData->hostName, deviceId, deviceKey);
Azure.IoT Build	13:848d52f93daf	508	/Codes_SRS_TRANSPORTMULTITHTTP_17_041: [ IoTHubTransportHttp_Register shall call VECTOR_push_back to store the new device information. ]/
Azure.IoT Build	13:848d52f93daf	509	bool was_list_add_ok = was_sasObject_ok && (VECTOR_push_back(handleData->perDeviceList, &result, 1) == 0);
Azure.IoT Build	13:848d52f93daf	510
Azure.IoT Build	13:848d52f93daf	511	if (was_list_add_ok)
Azure.IoT Build	13:848d52f93daf	512	{
Azure.IoT Build	13:848d52f93daf	513	/Codes_SRS_TRANSPORTMULTITHTTP_17_043: [ Upon success, IoTHubTransportHttp_Register shall store the transport handle, iotHubClientHandle, and the waitingToSend queue in the device handle return a non-NULL value. ]/
Azure.IoT Build	13:848d52f93daf	514	/Codes_SRS_TRANSPORTMULTITHTTP_17_040: [ IoTHubTransportHttp_Register shall put event HTTP relative path, message HTTP relative path, event HTTP request headers, message HTTP request headers, abandonHTTPrelativePathBegin, HTTPAPIEX_SAS_HANDLE, and the device handle into a device structure. ]/
Azure.IoT Build	13:848d52f93daf	515	/Codes_SRS_TRANSPORTMULTITHTTP_17_128: [ IoTHubTransportHttp_Register shall mark this device as unsubscribed. ]/
Azure.IoT Build	13:848d52f93daf	516	result->DoWork_PullMessage = false;
Azure.IoT Build	13:848d52f93daf	517	result->isFirstPoll = true;
Azure.IoT Build	13:848d52f93daf	518	result->iotHubClientHandle = iotHubClientHandle;
Azure.IoT Build	13:848d52f93daf	519	result->waitingToSend = waitingToSend;
Azure.IoT Build	13:848d52f93daf	520	DList_InitializeListHead(&(result->eventConfirmations));
Azure.IoT Build	13:848d52f93daf	521	result->transportHandle = handle;
Azure.IoT Build	13:848d52f93daf	522	}
Azure.IoT Build	13:848d52f93daf	523	else
Azure.IoT Build	13:848d52f93daf	524	{
Azure.IoT Build	13:848d52f93daf	525	/Codes_SRS_TRANSPORTMULTITHTTP_17_042: [ If the list_add fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	13:848d52f93daf	526	if (was_sasObject_ok) destroy_SASObject(result);
Azure.IoT Build	13:848d52f93daf	527	if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
Azure.IoT Build	13:848d52f93daf	528	if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
Azure.IoT Build	13:848d52f93daf	529	if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
Azure.IoT Build	13:848d52f93daf	530	if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
Azure.IoT Build	13:848d52f93daf	531	if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
Azure.IoT Build	13:848d52f93daf	532	if (was_create_deviceId_ok) destroy_deviceId(result);
Azure.IoT Build	13:848d52f93daf	533	if (was_create_deviceKey_ok) destroy_deviceKey(result);
Azure.IoT Build	13:848d52f93daf	534	/Codes_SRS_TRANSPORTMULTITHTTP_17_039: [ If the allocating the device handle fails then IoTHubTransportHttp_Register shall fail and return NULL. ] /
Azure.IoT Build	13:848d52f93daf	535	if (was_resultCreated_ok) free(result);
Azure.IoT Build	13:848d52f93daf	536	result = NULL;
Azure.IoT Build	13:848d52f93daf	537	}
Azure.IoT Build	13:848d52f93daf	538	}
Azure.IoT Build	13:848d52f93daf	539
Azure.IoT Build	13:848d52f93daf	540	}
Azure.IoT Build	13:848d52f93daf	541	return (IOTHUB_DEVICE_HANDLE)result;
Azure.IoT Build	13:848d52f93daf	542	}
Azure.IoT Build	13:848d52f93daf	543
Azure.IoT Build	13:848d52f93daf	544
Azure.IoT Build	13:848d52f93daf	545	static void destroy_perDeviceData(HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem)
Azure.IoT Build	13:848d52f93daf	546	{
Azure.IoT Build	13:848d52f93daf	547	destroy_deviceId(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	548	destroy_deviceKey(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	549	destroy_eventHTTPrelativePath(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	550	destroy_messageHTTPrelativePath(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	551	destroy_eventHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	552	destroy_messageHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	553	destroy_abandonHTTPrelativePathBegin(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	554	destroy_SASObject(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	555	}
Azure.IoT Build	13:848d52f93daf	556
Azure.IoT Build	13:848d52f93daf	557	static IOTHUB_DEVICE_HANDLE* get_perDeviceDataItem(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	558	{
Azure.IoT Build	13:848d52f93daf	559	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	13:848d52f93daf	560	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	561
Azure.IoT Build	13:848d52f93daf	562	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	13:848d52f93daf	563
Azure.IoT Build	13:848d52f93daf	564	listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceHandle, deviceHandle);
Azure.IoT Build	13:848d52f93daf	565	if (listItem == NULL)
Azure.IoT Build	13:848d52f93daf	566	{
Azure.IoT Build	13:848d52f93daf	567	LogError("device handle not found in transport device list");
Azure.IoT Build	13:848d52f93daf	568	listItem = NULL;
Azure.IoT Build	13:848d52f93daf	569	}
Azure.IoT Build	13:848d52f93daf	570	else
Azure.IoT Build	13:848d52f93daf	571	{
Azure.IoT Build	13:848d52f93daf	572	/* sucessfully found device in list. */
Azure.IoT Build	13:848d52f93daf	573	}
Azure.IoT Build	13:848d52f93daf	574
Azure.IoT Build	13:848d52f93daf	575	return listItem;
Azure.IoT Build	13:848d52f93daf	576	}
Azure.IoT Build	13:848d52f93daf	577
Azure.IoT Build	13:848d52f93daf	578	void IoTHubTransportHttp_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	579	{
Azure.IoT Build	13:848d52f93daf	580	if (deviceHandle == NULL)
Azure.IoT Build	13:848d52f93daf	581	{
Azure.IoT Build	13:848d52f93daf	582	/Codes_SRS_TRANSPORTMULTITHTTP_17_044: [ If deviceHandle is NULL, then IoTHubTransportHttp_Unregister shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	583	LogError("Unregister a NULL device handle");
Azure.IoT Build	13:848d52f93daf	584	}
Azure.IoT Build	13:848d52f93daf	585	else
Azure.IoT Build	13:848d52f93daf	586	{
Azure.IoT Build	13:848d52f93daf	587	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	13:848d52f93daf	588	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	13:848d52f93daf	589	/Codes_SRS_TRANSPORTMULTITHTTP_17_045: [ IoTHubTransportHttp_Unregister shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	13:848d52f93daf	590	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(deviceHandle);
Azure.IoT Build	13:848d52f93daf	591	if (listItem == NULL)
Azure.IoT Build	13:848d52f93daf	592	{
Azure.IoT Build	13:848d52f93daf	593	/Codes_SRS_TRANSPORTMULTITHTTP_17_046: [ If the device structure is not found, then this function shall fail and do nothing. ]/
Azure.IoT Build	13:848d52f93daf	594	LogError("Device Handle [%p] not found in transport", deviceHandle);
Azure.IoT Build	13:848d52f93daf	595	}
Azure.IoT Build	13:848d52f93daf	596	else
Azure.IoT Build	13:848d52f93daf	597	{
Azure.IoT Build	13:848d52f93daf	598	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	599
Azure.IoT Build	13:848d52f93daf	600	/Codes_SRS_TRANSPORTMULTITHTTP_17_047: [ IoTHubTransportHttp_Unregister shall free all the resources used in the device structure. ]/
Azure.IoT Build	13:848d52f93daf	601	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	602	/Codes_SRS_TRANSPORTMULTITHTTP_17_048: [ IoTHubTransportHttp_Unregister shall call list_remove to remove device from devices list. ]/
Azure.IoT Build	13:848d52f93daf	603	VECTOR_erase(handleData->perDeviceList, listItem, 1);
Azure.IoT Build	13:848d52f93daf	604	free(deviceHandleData);
Azure.IoT Build	13:848d52f93daf	605	}
Azure.IoT Build	13:848d52f93daf	606	}
Azure.IoT Build	13:848d52f93daf	607
Azure.IoT Build	13:848d52f93daf	608	return;
Azure.IoT Build	13:848d52f93daf	609	}
Azure.IoT Build	13:848d52f93daf	610
Azure.IoT Build	13:848d52f93daf	611
Azure.IoT Build	13:848d52f93daf	612	/Codes_SRS_TRANSPORTMULTITHTTP_17_005: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]/
AzureIoTClient	6:73793bae15ba	613	static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	614	{
Azure.IoT Build	13:848d52f93daf	615	STRING_delete(handleData->hostName);
Azure.IoT Build	13:848d52f93daf	616	handleData->hostName = NULL;
AzureIoTClient	6:73793bae15ba	617	}
AzureIoTClient	6:73793bae15ba	618
Azure.IoT Build	13:848d52f93daf	619	/Codes_SRS_TRANSPORTMULTITHTTP_17_005: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]/
AzureIoTClient	6:73793bae15ba	620	static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	621	{
AzureIoTClient	6:73793bae15ba	622	bool result;
AzureIoTClient	6:73793bae15ba	623	handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
AzureIoTClient	6:73793bae15ba	624	if (handleData->hostName == NULL)
AzureIoTClient	6:73793bae15ba	625	{
AzureIoTClient	6:73793bae15ba	626	result = false;
AzureIoTClient	6:73793bae15ba	627	}
AzureIoTClient	6:73793bae15ba	628	else
AzureIoTClient	6:73793bae15ba	629	{
AzureIoTClient	6:73793bae15ba	630	if ((STRING_concat(handleData->hostName, ".") != 0) \|\|
AzureIoTClient	6:73793bae15ba	631	(STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
AzureIoTClient	6:73793bae15ba	632	{
Azure.IoT Build	13:848d52f93daf	633	/Codes_SRS_TRANSPORTMULTITHTTP_17_006: [ If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
AzureIoTClient	6:73793bae15ba	634	destroy_hostName(handleData);
AzureIoTClient	6:73793bae15ba	635	result = false;
AzureIoTClient	6:73793bae15ba	636	}
AzureIoTClient	6:73793bae15ba	637	else
AzureIoTClient	6:73793bae15ba	638	{
AzureIoTClient	6:73793bae15ba	639	result = true;
AzureIoTClient	6:73793bae15ba	640	}
AzureIoTClient	6:73793bae15ba	641	}
AzureIoTClient	6:73793bae15ba	642	return result;
AzureIoTClient	6:73793bae15ba	643	}
AzureIoTClient	6:73793bae15ba	644
Azure.IoT Build	13:848d52f93daf	645	/Codes_SRS_TRANSPORTMULTITHTTP_17_007: [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	646	static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	647	{
Azure.IoT Build	13:848d52f93daf	648	HTTPAPIEX_Destroy(handleData->httpApiExHandle);
Azure.IoT Build	13:848d52f93daf	649	handleData->httpApiExHandle = NULL;
AzureIoTClient	6:73793bae15ba	650	}
AzureIoTClient	6:73793bae15ba	651
Azure.IoT Build	13:848d52f93daf	652	/Codes_SRS_TRANSPORTMULTITHTTP_17_007: [ 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	653	static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	654	{
AzureIoTClient	6:73793bae15ba	655	bool result;
AzureIoTClient	6:73793bae15ba	656	(void)config;
Azure.IoT Build	13:848d52f93daf	657	handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
Azure.IoT Build	13:848d52f93daf	658	if (handleData->httpApiExHandle == NULL)
Azure.IoT Build	13:848d52f93daf	659	{
Azure.IoT Build	13:848d52f93daf	660	/Codes_SRS_TRANSPORTMULTITHTTP_17_008: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	13:848d52f93daf	661	result = false;
Azure.IoT Build	13:848d52f93daf	662	}
Azure.IoT Build	13:848d52f93daf	663	else
Azure.IoT Build	13:848d52f93daf	664	{
Azure.IoT Build	13:848d52f93daf	665	result = true;
Azure.IoT Build	13:848d52f93daf	666	}
Azure.IoT Build	13:848d52f93daf	667	return result;
AzureIoTClient	6:73793bae15ba	668	}
AzureIoTClient	6:73793bae15ba	669
Azure.IoT Build	13:848d52f93daf	670	static void destroy_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	671	{
Azure.IoT Build	13:848d52f93daf	672	VECTOR_destroy(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	673	handleData->perDeviceList = NULL;
AzureIoTClient	6:73793bae15ba	674	}
AzureIoTClient	6:73793bae15ba	675
Azure.IoT Build	13:848d52f93daf	676	/Codes_SRS_TRANSPORTMULTITHTTP_17_009: [ IoTHubTransportHttp_Create shall call list_create to create a list of registered devices. ]/
Azure.IoT Build	13:848d52f93daf	677	static bool create_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	678	{
Azure.IoT Build	13:848d52f93daf	679	bool result;
Azure.IoT Build	13:848d52f93daf	680	handleData->perDeviceList = VECTOR_create(sizeof(IOTHUB_DEVICE_HANDLE));
Azure.IoT Build	13:848d52f93daf	681	if (handleData == NULL \|\| handleData->perDeviceList == NULL)
Azure.IoT Build	13:848d52f93daf	682	{
Azure.IoT Build	13:848d52f93daf	683	/Codes_SRS_TRANSPORTMULTITHTTP_17_010: [ If creating the list fails, then IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	13:848d52f93daf	684	result = false;
Azure.IoT Build	13:848d52f93daf	685	}
Azure.IoT Build	13:848d52f93daf	686	else
Azure.IoT Build	13:848d52f93daf	687	{
Azure.IoT Build	13:848d52f93daf	688	result = true;
Azure.IoT Build	13:848d52f93daf	689	}
Azure.IoT Build	13:848d52f93daf	690	return result;
AzureIoTClient	6:73793bae15ba	691	}
AzureIoTClient	6:73793bae15ba	692
Azure.IoT Build	13:848d52f93daf	693
Azure.IoT Build	14:fae5c6b2cce3	694	TRANSPORT_LL_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	695	{
AzureIoTClient	6:73793bae15ba	696	HTTPTRANSPORT_HANDLE_DATA* result;
AzureIoTClient	6:73793bae15ba	697	if (config == NULL)
AzureIoTClient	6:73793bae15ba	698	{
Azure.IoT Build	13:848d52f93daf	699	/Codes_SRS_TRANSPORTMULTITHTTP_17_001: [If parameter config is NULL, then IoTHubTransportHttp_Create shall return NULL.]/
AzureIoTClient	6:73793bae15ba	700	LogError("invalid arg (configuration is missing)\r\n");
AzureIoTClient	6:73793bae15ba	701	result = NULL;
AzureIoTClient	6:73793bae15ba	702	}
AzureIoTClient	6:73793bae15ba	703	else if (config->upperConfig == NULL)
AzureIoTClient	6:73793bae15ba	704	{
Azure.IoT Build	13:848d52f93daf	705	/Codes_SRS_TRANSPORTMULTITHTTP_17_002: [ If field transportConfig is NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
AzureIoTClient	6:73793bae15ba	706	LogError("invalid arg (upperConfig is NULL)\r\n");
AzureIoTClient	6:73793bae15ba	707	result = NULL;
AzureIoTClient	6:73793bae15ba	708	}
AzureIoTClient	6:73793bae15ba	709	else if (config->upperConfig->protocol == NULL)
AzureIoTClient	6:73793bae15ba	710	{
Azure.IoT Build	13:848d52f93daf	711	/Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
AzureIoTClient	6:73793bae15ba	712	LogError("invalid arg (protocol is NULL)\r\n");
AzureIoTClient	6:73793bae15ba	713	result = NULL;
AzureIoTClient	6:73793bae15ba	714	}
AzureIoTClient	6:73793bae15ba	715	else if (config->upperConfig->iotHubName == NULL)
AzureIoTClient	6:73793bae15ba	716	{
Azure.IoT Build	13:848d52f93daf	717	/Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
AzureIoTClient	6:73793bae15ba	718	LogError("invalid arg (iotHubName is NULL)\r\n");
AzureIoTClient	6:73793bae15ba	719	result = NULL;
AzureIoTClient	6:73793bae15ba	720	}
AzureIoTClient	6:73793bae15ba	721	else if (config->upperConfig->iotHubSuffix == NULL)
AzureIoTClient	6:73793bae15ba	722	{
Azure.IoT Build	13:848d52f93daf	723	/Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
AzureIoTClient	6:73793bae15ba	724	LogError("invalid arg (iotHubSuffix is NULL)\r\n");
AzureIoTClient	6:73793bae15ba	725	result = NULL;
AzureIoTClient	6:73793bae15ba	726	}
AzureIoTClient	6:73793bae15ba	727	else
AzureIoTClient	6:73793bae15ba	728	{
Azure.IoT Build	13:848d52f93daf	729	/Codes_SRS_TRANSPORTMULTITHTTP_17_130: [ IoTHubTransportHttp_Create shall allocate memory for the handle. ]/
AzureIoTClient	6:73793bae15ba	730	result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
AzureIoTClient	6:73793bae15ba	731	if (result == NULL)
AzureIoTClient	6:73793bae15ba	732	{
Azure.IoT Build	13:848d52f93daf	733	/Codes_SRS_TRANSPORTMULTITHTTP_17_131: [ If allocation fails, IoTHubTransportHttp_Create shall fail and return NULL. ]/
AzureIoTClient	6:73793bae15ba	734	LogError("unable to malloc\r\n");
AzureIoTClient	6:73793bae15ba	735	}
AzureIoTClient	6:73793bae15ba	736	else
AzureIoTClient	6:73793bae15ba	737	{
Azure.IoT Build	13:848d52f93daf	738	bool was_hostName_ok = create_hostName(result, config);
AzureIoTClient	6:73793bae15ba	739	bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
Azure.IoT Build	13:848d52f93daf	740	bool was_perDeviceList_ok = was_httpApiExHandle_ok && create_perDeviceList(result);
Azure.IoT Build	13:848d52f93daf	741
AzureIoTClient	6:73793bae15ba	742
Azure.IoT Build	13:848d52f93daf	743	if (was_perDeviceList_ok)
AzureIoTClient	6:73793bae15ba	744	{
Azure.IoT Build	13:848d52f93daf	745	/Codes_SRS_TRANSPORTMULTITHTTP_17_011: [ Otherwise, IoTHubTransportHttp_Create shall succeed and return a non-NULL value. ]/
AzureIoTClient	6:73793bae15ba	746	result->doBatchedTransfers = false;
AzureIoTClient	6:73793bae15ba	747	result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
AzureIoTClient	6:73793bae15ba	748	}
AzureIoTClient	6:73793bae15ba	749	else
AzureIoTClient	6:73793bae15ba	750	{
AzureIoTClient	6:73793bae15ba	751	if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
Azure.IoT Build	13:848d52f93daf	752	if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient	6:73793bae15ba	753
AzureIoTClient	6:73793bae15ba	754	free(result);
AzureIoTClient	6:73793bae15ba	755	result = NULL;
AzureIoTClient	6:73793bae15ba	756	}
AzureIoTClient	6:73793bae15ba	757	}
AzureIoTClient	6:73793bae15ba	758	}
AzureIoTClient	6:73793bae15ba	759	return result;
AzureIoTClient	6:73793bae15ba	760	}
AzureIoTClient	6:73793bae15ba	761
Azure.IoT Build	14:fae5c6b2cce3	762	void IoTHubTransportHttp_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	6:73793bae15ba	763	{
Azure.IoT Build	13:848d52f93daf	764	/Codes_SRS_TRANSPORTMULTITHTTP_17_012: [ IoTHubTransportHttp_Destroy shall do nothing is handle is NULL. ]/
AzureIoTClient	6:73793bae15ba	765	if (handle != NULL)
AzureIoTClient	6:73793bae15ba	766	{
Azure.IoT Build	13:848d52f93daf	767	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	13:848d52f93daf	768	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	769
Azure.IoT Build	13:848d52f93daf	770	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	771
Azure.IoT Build	13:848d52f93daf	772	/Codes_SRS_TRANSPORTMULTITHTTP_17_013: [ Otherwise, IoTHubTransportHttp_Destroy shall free all the resources currently in use. ]/
Azure.IoT Build	13:848d52f93daf	773	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	13:848d52f93daf	774	{
Azure.IoT Build	13:848d52f93daf	775	listItem = VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	13:848d52f93daf	776	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	13:848d52f93daf	777	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	778	free(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	779	}
Azure.IoT Build	13:848d52f93daf	780
AzureIoTClient	6:73793bae15ba	781	destroy_hostName(handle);
AzureIoTClient	6:73793bae15ba	782	destroy_httpApiExHandle(handle);
Azure.IoT Build	13:848d52f93daf	783	destroy_perDeviceList(handle);
AzureIoTClient	6:73793bae15ba	784	free(handle);
AzureIoTClient	6:73793bae15ba	785	}
AzureIoTClient	6:73793bae15ba	786	}
AzureIoTClient	6:73793bae15ba	787
Azure.IoT Build	13:848d52f93daf	788	int IoTHubTransportHttp_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	789	{
AzureIoTClient	6:73793bae15ba	790	int result;
AzureIoTClient	6:73793bae15ba	791	if (handle == NULL)
AzureIoTClient	6:73793bae15ba	792	{
Azure.IoT Build	13:848d52f93daf	793	/Codes_SRS_TRANSPORTMULTITHTTP_17_103: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Subscribe shall fail and return a non-zero value. ]/
AzureIoTClient	6:73793bae15ba	794	LogError("invalid arg passed to IoTHubTransportHttp_Subscribe\r\n");
AzureIoTClient	6:73793bae15ba	795	result = __LINE__;
AzureIoTClient	6:73793bae15ba	796	}
AzureIoTClient	6:73793bae15ba	797	else
AzureIoTClient	6:73793bae15ba	798	{
Azure.IoT Build	13:848d52f93daf	799	/Codes_SRS_TRANSPORTMULTITHTTP_17_104: [ IoTHubTransportHttp_Subscribe shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	13:848d52f93daf	800	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	801
Azure.IoT Build	13:848d52f93daf	802	if (listItem == NULL)
Azure.IoT Build	13:848d52f93daf	803	{
Azure.IoT Build	13:848d52f93daf	804	/Codes_SRS_TRANSPORTMULTITHTTP_17_105: [ If the device structure is not found, then this function shall fail and return a non-zero value. ]/
Azure.IoT Build	13:848d52f93daf	805	LogError("did not find device in transport handle");
Azure.IoT Build	13:848d52f93daf	806	result = __LINE__;
Azure.IoT Build	13:848d52f93daf	807	}
Azure.IoT Build	13:848d52f93daf	808	else
Azure.IoT Build	13:848d52f93daf	809	{
Azure.IoT Build	13:848d52f93daf	810	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem;
Azure.IoT Build	13:848d52f93daf	811
Azure.IoT Build	13:848d52f93daf	812	perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	813	/Codes_SRS_TRANSPORTMULTITHTTP_17_106: [ Otherwise, IoTHubTransportHttp_Subscribe shall set the device so that subsequent calls to DoWork should execute HTTP requests. ]/
Azure.IoT Build	13:848d52f93daf	814	perDeviceItem->DoWork_PullMessage = true;
Azure.IoT Build	13:848d52f93daf	815	}
AzureIoTClient	6:73793bae15ba	816	result = 0;
AzureIoTClient	6:73793bae15ba	817	}
AzureIoTClient	6:73793bae15ba	818	return result;
AzureIoTClient	6:73793bae15ba	819	}
AzureIoTClient	6:73793bae15ba	820
Azure.IoT Build	13:848d52f93daf	821	void IoTHubTransportHttp_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	822	{
Azure.IoT Build	13:848d52f93daf	823	/Codes_SRS_TRANSPORTMULTITHTTP_17_107: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Unsubscribe shall fail do nothing. ]/
AzureIoTClient	6:73793bae15ba	824	if (handle != NULL)
AzureIoTClient	6:73793bae15ba	825	{
Azure.IoT Build	13:848d52f93daf	826	/Codes_SRS_TRANSPORTMULTITHTTP_17_108: [ IoTHubTransportHttp_Unsubscribe shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	13:848d52f93daf	827	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	828	/Codes_SRS_TRANSPORTMULTITHTTP_17_109: [ If the device structure is not found, then this function shall fail and do nothing. ]/
Azure.IoT Build	13:848d52f93daf	829	if (listItem != NULL)
Azure.IoT Build	13:848d52f93daf	830	{
Azure.IoT Build	13:848d52f93daf	831	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	832	/Codes_SRS_TRANSPORTMULTITHTTP_17_110: [ Otherwise, IoTHubTransportHttp_Subscribe shall set the device so that subsequent calls to DoWork shall not execute HTTP requests. ]/
Azure.IoT Build	13:848d52f93daf	833	perDeviceItem->DoWork_PullMessage = false;
AzureIoTClient	6:73793bae15ba	834	}
Azure.IoT Build	13:848d52f93daf	835	else
Azure.IoT Build	13:848d52f93daf	836	{
Azure.IoT Build	13:848d52f93daf	837	LogError("Device not found to unsuscribe.\r\n");
Azure.IoT Build	13:848d52f93daf	838	}
Azure.IoT Build	13:848d52f93daf	839	}
Azure.IoT Build	13:848d52f93daf	840	else
Azure.IoT Build	13:848d52f93daf	841	{
Azure.IoT Build	13:848d52f93daf	842	LogError("Null handle passed to Unsuscribe.\r\n");
Azure.IoT Build	13:848d52f93daf	843	}
AzureIoTClient	6:73793bae15ba	844	}
AzureIoTClient	6:73793bae15ba	845
AzureIoTClient	6:73793bae15ba	846	/produces a representation of the properties, if they exist/
AzureIoTClient	6:73793bae15ba	847	/if they do not exist, produces ""/
AzureIoTClient	6:73793bae15ba	848	static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient	6:73793bae15ba	849	{
AzureIoTClient	6:73793bae15ba	850	int result;
AzureIoTClient	6:73793bae15ba	851	const charconst keys;
AzureIoTClient	6:73793bae15ba	852	const charconst values;
AzureIoTClient	6:73793bae15ba	853	size_t count;
AzureIoTClient	6:73793bae15ba	854	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
AzureIoTClient	6:73793bae15ba	855	{
AzureIoTClient	6:73793bae15ba	856	result = __LINE__;
AzureIoTClient	6:73793bae15ba	857	LogError("error while Map_GetInternals\r\n");
AzureIoTClient	6:73793bae15ba	858	}
AzureIoTClient	6:73793bae15ba	859	else
AzureIoTClient	6:73793bae15ba	860	{
AzureIoTClient	6:73793bae15ba	861
AzureIoTClient	6:73793bae15ba	862	if (count == 0)
AzureIoTClient	6:73793bae15ba	863	{
Azure.IoT Build	13:848d52f93daf	864	/Codes_SRS_TRANSPORTMULTITHTTP_17_064: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload/
AzureIoTClient	6:73793bae15ba	865	/no properties - do nothing with existing/
AzureIoTClient	6:73793bae15ba	866	result = 0;
AzureIoTClient	6:73793bae15ba	867	*propertiesMessageSizeContribution = 0;
AzureIoTClient	6:73793bae15ba	868	}
AzureIoTClient	6:73793bae15ba	869	else
AzureIoTClient	6:73793bae15ba	870	{
Azure.IoT Build	13:848d52f93daf	871	/Codes_SRS_TRANSPORTMULTITHTTP_17_058: [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	872	if (STRING_concat(existing, ",\"properties\":") != 0)
AzureIoTClient	6:73793bae15ba	873	{
AzureIoTClient	6:73793bae15ba	874	/go ahead and return it/
AzureIoTClient	6:73793bae15ba	875	result = __LINE__;
AzureIoTClient	6:73793bae15ba	876	LogError("failed STRING_concat\r\n");
AzureIoTClient	6:73793bae15ba	877	}
AzureIoTClient	6:73793bae15ba	878	else if (appendMapToJSON(existing, keys, values, count) != 0)
AzureIoTClient	6:73793bae15ba	879	{
AzureIoTClient	6:73793bae15ba	880	result = __LINE__;
AzureIoTClient	6:73793bae15ba	881	LogError("unable to append the properties\r\n");
AzureIoTClient	6:73793bae15ba	882	}
AzureIoTClient	6:73793bae15ba	883	else
AzureIoTClient	6:73793bae15ba	884	{
AzureIoTClient	6:73793bae15ba	885	/all is fine/
AzureIoTClient	6:73793bae15ba	886	size_t i;
AzureIoTClient	6:73793bae15ba	887	*propertiesMessageSizeContribution = 0;
AzureIoTClient	6:73793bae15ba	888	for (i = 0;i < count;i++)
AzureIoTClient	6:73793bae15ba	889	{
Azure.IoT Build	13:848d52f93daf	890	/Codes_SRS_TRANSPORTMULTITHTTP_17_063: [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	891	*propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
AzureIoTClient	6:73793bae15ba	892	}
AzureIoTClient	6:73793bae15ba	893	result = 0;
AzureIoTClient	6:73793bae15ba	894	}
AzureIoTClient	6:73793bae15ba	895	}
AzureIoTClient	6:73793bae15ba	896	}
AzureIoTClient	6:73793bae15ba	897	return result;
AzureIoTClient	6:73793bae15ba	898	}
AzureIoTClient	6:73793bae15ba	899
AzureIoTClient	6:73793bae15ba	900	/produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}/
AzureIoTClient	6:73793bae15ba	901	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	902	{
AzureIoTClient	6:73793bae15ba	903	int result;
AzureIoTClient	6:73793bae15ba	904	if (STRING_concat(existing, "{") != 0)
AzureIoTClient	6:73793bae15ba	905	{
AzureIoTClient	6:73793bae15ba	906	/go on and return it/
AzureIoTClient	6:73793bae15ba	907	result = __LINE__;
AzureIoTClient	6:73793bae15ba	908	LogError("STRING_construct failed\r\n");
AzureIoTClient	6:73793bae15ba	909	}
AzureIoTClient	6:73793bae15ba	910	else
AzureIoTClient	6:73793bae15ba	911	{
AzureIoTClient	6:73793bae15ba	912	size_t i;
AzureIoTClient	6:73793bae15ba	913	for (i = 0; i < count; i++)
AzureIoTClient	6:73793bae15ba	914	{
AzureIoTClient	6:73793bae15ba	915	if (!(
AzureIoTClient	6:73793bae15ba	916	(STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
AzureIoTClient	6:73793bae15ba	917	(STRING_concat(existing, keys[i]) == 0) &&
AzureIoTClient	6:73793bae15ba	918	(STRING_concat(existing, "\":\"") == 0) &&
AzureIoTClient	6:73793bae15ba	919	(STRING_concat(existing, values[i]) == 0) &&
AzureIoTClient	6:73793bae15ba	920	(STRING_concat(existing, "\"") == 0)
AzureIoTClient	6:73793bae15ba	921	))
AzureIoTClient	6:73793bae15ba	922	{
AzureIoTClient	6:73793bae15ba	923	LogError("unable to STRING_concat\r\n");
AzureIoTClient	6:73793bae15ba	924	break;
AzureIoTClient	6:73793bae15ba	925	}
AzureIoTClient	6:73793bae15ba	926	}
AzureIoTClient	6:73793bae15ba	927
AzureIoTClient	6:73793bae15ba	928	if (i < count)
AzureIoTClient	6:73793bae15ba	929	{
AzureIoTClient	6:73793bae15ba	930	result = __LINE__;
AzureIoTClient	6:73793bae15ba	931	/error, let it go through/
AzureIoTClient	6:73793bae15ba	932	}
AzureIoTClient	6:73793bae15ba	933	else if (STRING_concat(existing, "}") != 0)
AzureIoTClient	6:73793bae15ba	934	{
AzureIoTClient	6:73793bae15ba	935	result = __LINE__;
AzureIoTClient	6:73793bae15ba	936	LogError("unable to STRING_concat\r\n");
AzureIoTClient	6:73793bae15ba	937	}
AzureIoTClient	6:73793bae15ba	938	else
AzureIoTClient	6:73793bae15ba	939	{
AzureIoTClient	6:73793bae15ba	940	/all is fine/
AzureIoTClient	6:73793bae15ba	941	result = 0;
AzureIoTClient	6:73793bae15ba	942	}
AzureIoTClient	6:73793bae15ba	943	}
AzureIoTClient	6:73793bae15ba	944	return result;
AzureIoTClient	6:73793bae15ba	945	}
AzureIoTClient	6:73793bae15ba	946
AzureIoTClient	6:73793bae15ba	947	/makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
AzureIoTClient	6:73793bae15ba	948	/return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data/
AzureIoTClient	6:73793bae15ba	949	static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient	6:73793bae15ba	950	{
AzureIoTClient	6:73793bae15ba	951	STRING_HANDLE result; /temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
AzureIoTClient	6:73793bae15ba	952	IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient	6:73793bae15ba	953	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	6:73793bae15ba	954
AzureIoTClient	6:73793bae15ba	955	switch (contentType)
AzureIoTClient	6:73793bae15ba	956	{
AzureIoTClient	6:73793bae15ba	957	case IOTHUBMESSAGE_BYTEARRAY:
AzureIoTClient	6:73793bae15ba	958	{
AzureIoTClient	6:73793bae15ba	959	result = STRING_construct("{\"body\":\"");
AzureIoTClient	6:73793bae15ba	960	if (result == NULL)
AzureIoTClient	6:73793bae15ba	961	{
AzureIoTClient	6:73793bae15ba	962	LogError("unable to STRING_construct\r\n");
AzureIoTClient	6:73793bae15ba	963	}
AzureIoTClient	6:73793bae15ba	964	else
AzureIoTClient	6:73793bae15ba	965	{
AzureIoTClient	6:73793bae15ba	966	const unsigned char* source;
AzureIoTClient	6:73793bae15ba	967	size_t size;
AzureIoTClient	6:73793bae15ba	968
AzureIoTClient	6:73793bae15ba	969	if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
AzureIoTClient	6:73793bae15ba	970	{
AzureIoTClient	6:73793bae15ba	971	LogError("unable to get the data for the message.\r\n");
AzureIoTClient	6:73793bae15ba	972	STRING_delete(result);
AzureIoTClient	6:73793bae15ba	973	result = NULL;
AzureIoTClient	6:73793bae15ba	974	}
AzureIoTClient	6:73793bae15ba	975	else
AzureIoTClient	6:73793bae15ba	976	{
AzureIoTClient	6:73793bae15ba	977	STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
AzureIoTClient	6:73793bae15ba	978	if (encoded == NULL)
AzureIoTClient	6:73793bae15ba	979	{
AzureIoTClient	6:73793bae15ba	980	LogError("unable to Base64_Encode_Bytes.\r\n");
AzureIoTClient	6:73793bae15ba	981	STRING_delete(result);
AzureIoTClient	6:73793bae15ba	982	result = NULL;
AzureIoTClient	6:73793bae15ba	983	}
AzureIoTClient	6:73793bae15ba	984	else
AzureIoTClient	6:73793bae15ba	985	{
AzureIoTClient	6:73793bae15ba	986	size_t propertiesSize;
AzureIoTClient	6:73793bae15ba	987	if (!(
AzureIoTClient	6:73793bae15ba	988	(STRING_concat_with_STRING(result, encoded) == 0) &&
AzureIoTClient	6:73793bae15ba	989	(STRING_concat(result, "\"") == 0) && /\" because closing value/
AzureIoTClient	6:73793bae15ba	990	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
AzureIoTClient	6:73793bae15ba	991	(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	992	))
AzureIoTClient	6:73793bae15ba	993	{
AzureIoTClient	6:73793bae15ba	994	STRING_delete(result);
AzureIoTClient	6:73793bae15ba	995	result = NULL;
AzureIoTClient	6:73793bae15ba	996	LogError("unable to STRING_concat_with_STRING.\r\n");
AzureIoTClient	6:73793bae15ba	997	}
AzureIoTClient	6:73793bae15ba	998	else
AzureIoTClient	6:73793bae15ba	999	{
AzureIoTClient	6:73793bae15ba	1000	/all is fine... /
Azure.IoT Build	13:848d52f93daf	1001	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
AzureIoTClient	6:73793bae15ba	1002	*messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
AzureIoTClient	6:73793bae15ba	1003	}
AzureIoTClient	6:73793bae15ba	1004	STRING_delete(encoded);
AzureIoTClient	6:73793bae15ba	1005	}
AzureIoTClient	6:73793bae15ba	1006	}
AzureIoTClient	6:73793bae15ba	1007	}
AzureIoTClient	6:73793bae15ba	1008	break;
AzureIoTClient	6:73793bae15ba	1009	}
Azure.IoT Build	13:848d52f93daf	1010	/Codes_SRS_TRANSPORTMULTITHTTP_17_057: [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	1011	case IOTHUBMESSAGE_STRING:
AzureIoTClient	6:73793bae15ba	1012	{
AzureIoTClient	6:73793bae15ba	1013	result = STRING_construct("{\"body\":");
AzureIoTClient	6:73793bae15ba	1014	if (result == NULL)
AzureIoTClient	6:73793bae15ba	1015	{
AzureIoTClient	6:73793bae15ba	1016	LogError("unable to STRING_construct\r\n");
AzureIoTClient	6:73793bae15ba	1017	}
AzureIoTClient	6:73793bae15ba	1018	else
AzureIoTClient	6:73793bae15ba	1019	{
AzureIoTClient	6:73793bae15ba	1020	const char* source = IoTHubMessage_GetString(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1021	if (source == NULL)
AzureIoTClient	6:73793bae15ba	1022	{
AzureIoTClient	6:73793bae15ba	1023	LogError("unable to IoTHubMessage_GetString\r\n");
AzureIoTClient	6:73793bae15ba	1024	STRING_delete(result);
AzureIoTClient	6:73793bae15ba	1025	result = NULL;
AzureIoTClient	6:73793bae15ba	1026	}
AzureIoTClient	6:73793bae15ba	1027	else
AzureIoTClient	6:73793bae15ba	1028	{
AzureIoTClient	6:73793bae15ba	1029	STRING_HANDLE asJson = STRING_new_JSON(source);
AzureIoTClient	6:73793bae15ba	1030	if (asJson == NULL)
AzureIoTClient	6:73793bae15ba	1031	{
AzureIoTClient	6:73793bae15ba	1032	LogError("unable to STRING_new_JSON\r\n");
AzureIoTClient	6:73793bae15ba	1033	STRING_delete(result);
AzureIoTClient	6:73793bae15ba	1034	result = NULL;
AzureIoTClient	6:73793bae15ba	1035	}
AzureIoTClient	6:73793bae15ba	1036	else
AzureIoTClient	6:73793bae15ba	1037	{
AzureIoTClient	6:73793bae15ba	1038	size_t propertiesSize;
AzureIoTClient	6:73793bae15ba	1039	if (!(
AzureIoTClient	6:73793bae15ba	1040	(STRING_concat_with_STRING(result, asJson) == 0) &&
AzureIoTClient	6:73793bae15ba	1041	(STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
AzureIoTClient	6:73793bae15ba	1042	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
AzureIoTClient	6:73793bae15ba	1043	(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	1044	))
AzureIoTClient	6:73793bae15ba	1045	{
AzureIoTClient	6:73793bae15ba	1046	LogError("unable to STRING_concat_with_STRING");
AzureIoTClient	6:73793bae15ba	1047	STRING_delete(result);
AzureIoTClient	6:73793bae15ba	1048	result = NULL;
AzureIoTClient	6:73793bae15ba	1049	}
AzureIoTClient	6:73793bae15ba	1050	else
AzureIoTClient	6:73793bae15ba	1051	{
AzureIoTClient	6:73793bae15ba	1052	/result has the intended content/
Azure.IoT Build	13:848d52f93daf	1053	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
AzureIoTClient	6:73793bae15ba	1054	*messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
AzureIoTClient	6:73793bae15ba	1055	}
AzureIoTClient	6:73793bae15ba	1056	STRING_delete(asJson);
AzureIoTClient	6:73793bae15ba	1057	}
AzureIoTClient	6:73793bae15ba	1058	}
AzureIoTClient	6:73793bae15ba	1059	}
AzureIoTClient	6:73793bae15ba	1060	break;
AzureIoTClient	6:73793bae15ba	1061	}
AzureIoTClient	6:73793bae15ba	1062	default:
AzureIoTClient	6:73793bae15ba	1063	{
AzureIoTClient	6:73793bae15ba	1064	LogError("an unknown message type was encountered (%d)\r\n", contentType);
AzureIoTClient	6:73793bae15ba	1065	result = NULL; /unknown message type/
AzureIoTClient	6:73793bae15ba	1066	break;
AzureIoTClient	6:73793bae15ba	1067	}
AzureIoTClient	6:73793bae15ba	1068	}
AzureIoTClient	6:73793bae15ba	1069	return result;
AzureIoTClient	6:73793bae15ba	1070	}
AzureIoTClient	6:73793bae15ba	1071
AzureIoTClient	6:73793bae15ba	1072	#define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient	6:73793bae15ba	1073	MAKE_PAYLOAD_OK, /returned when there is a payload to be later send by HTTP/ \
AzureIoTClient	6:73793bae15ba	1074	MAKE_PAYLOAD_NO_ITEMS, /returned when there are no items to be send/ \
AzureIoTClient	6:73793bae15ba	1075	MAKE_PAYLOAD_ERROR, /returned when there were errors/ \
AzureIoTClient	6:73793bae15ba	1076	MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /returned when the first item doesn't fit/
AzureIoTClient	6:73793bae15ba	1077
AzureIoTClient	6:73793bae15ba	1078	DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient	6:73793bae15ba	1079
AzureIoTClient	6:73793bae15ba	1080	/this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload/
Azure.IoT Build	13:848d52f93daf	1081	/Codes_SRS_TRANSPORTMULTITHTTP_17_056: [IoTHubTransportHttp_DoWork shall build the following string:[{"body":"base64 encoding of the message1 content"},{"body":"base64 encoding of the message2 content"}...]]/
Azure.IoT Build	13:848d52f93daf	1082	static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_PERDEVICE_DATA* deviceData, STRING_HANDLE* payload)
AzureIoTClient	6:73793bae15ba	1083	{
AzureIoTClient	6:73793bae15ba	1084	MAKE_PAYLOAD_RESULT result;
AzureIoTClient	6:73793bae15ba	1085	size_t allMessagesSize = 0;
AzureIoTClient	6:73793bae15ba	1086	*payload = STRING_construct("[");
AzureIoTClient	6:73793bae15ba	1087	if (*payload == NULL)
AzureIoTClient	6:73793bae15ba	1088	{
AzureIoTClient	6:73793bae15ba	1089	LogError("unable to STRING_construct\r\n");
AzureIoTClient	6:73793bae15ba	1090	result = MAKE_PAYLOAD_ERROR;
AzureIoTClient	6:73793bae15ba	1091	}
AzureIoTClient	6:73793bae15ba	1092	else
AzureIoTClient	6:73793bae15ba	1093	{
AzureIoTClient	6:73793bae15ba	1094	bool isFirst = true;
AzureIoTClient	6:73793bae15ba	1095	PDLIST_ENTRY actual;
AzureIoTClient	10:b012891d0a54	1096	bool keepGoing = true; /keepGoing gets sometimes to false from within the loop/
AzureIoTClient	6:73793bae15ba	1097	/either all the items enter the list or only some/
AzureIoTClient	6:73793bae15ba	1098	result = MAKE_PAYLOAD_OK; /optimistically initializing it/
Azure.IoT Build	13:848d52f93daf	1099	while (keepGoing && ((actual = deviceData->waitingToSend->Flink) != deviceData->waitingToSend))
AzureIoTClient	6:73793bae15ba	1100	{
AzureIoTClient	6:73793bae15ba	1101	size_t messageSize;
AzureIoTClient	6:73793bae15ba	1102	STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
AzureIoTClient	6:73793bae15ba	1103	if (isFirst)
AzureIoTClient	6:73793bae15ba	1104	{
AzureIoTClient	6:73793bae15ba	1105	isFirst = false;
Azure.IoT Build	13:848d52f93daf	1106	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
AzureIoTClient	6:73793bae15ba	1107	if (temp == NULL) /first item failed to create, nothing to send/
AzureIoTClient	6:73793bae15ba	1108	{
AzureIoTClient	6:73793bae15ba	1109	result = MAKE_PAYLOAD_ERROR;
AzureIoTClient	6:73793bae15ba	1110	STRING_delete(*payload);
AzureIoTClient	6:73793bae15ba	1111	*payload = NULL;
AzureIoTClient	6:73793bae15ba	1112	keepGoing = false;
AzureIoTClient	6:73793bae15ba	1113	}
AzureIoTClient	6:73793bae15ba	1114	else
AzureIoTClient	6:73793bae15ba	1115	{
Azure.IoT Build	13:848d52f93daf	1116	/Codes_SRS_TRANSPORTMULTITHTTP_17_065: [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.]/
Azure.IoT Build	13:848d52f93daf	1117	/Codes_SRS_TRANSPORTMULTITHTTP_17_061: [The message size shall be limited to 255KB - 1 byte.]/
AzureIoTClient	6:73793bae15ba	1118	if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient	6:73793bae15ba	1119	{
Azure.IoT Build	13:848d52f93daf	1120	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	13:848d52f93daf	1121	DList_InsertTailList(&(deviceData->eventConfirmations), head);
AzureIoTClient	6:73793bae15ba	1122	result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
AzureIoTClient	6:73793bae15ba	1123	STRING_delete(*payload);
AzureIoTClient	6:73793bae15ba	1124	*payload = NULL;
AzureIoTClient	6:73793bae15ba	1125	keepGoing = false;
AzureIoTClient	6:73793bae15ba	1126	}
AzureIoTClient	6:73793bae15ba	1127	else
AzureIoTClient	6:73793bae15ba	1128	{
AzureIoTClient	6:73793bae15ba	1129	if (STRING_concat_with_STRING(*payload, temp) != 0)
AzureIoTClient	6:73793bae15ba	1130	{
Azure.IoT Build	13:848d52f93daf	1131	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
AzureIoTClient	6:73793bae15ba	1132	result = MAKE_PAYLOAD_ERROR;
AzureIoTClient	6:73793bae15ba	1133	STRING_delete(*payload);
AzureIoTClient	6:73793bae15ba	1134	*payload = NULL;
AzureIoTClient	6:73793bae15ba	1135	keepGoing = false;
AzureIoTClient	6:73793bae15ba	1136	}
AzureIoTClient	6:73793bae15ba	1137	else
AzureIoTClient	6:73793bae15ba	1138	{
AzureIoTClient	6:73793bae15ba	1139	/first item was put nicely in the payload/
Azure.IoT Build	13:848d52f93daf	1140	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	13:848d52f93daf	1141	DList_InsertTailList(&(deviceData->eventConfirmations), head);
AzureIoTClient	6:73793bae15ba	1142	allMessagesSize += messageSize;
AzureIoTClient	6:73793bae15ba	1143	}
AzureIoTClient	6:73793bae15ba	1144	}
AzureIoTClient	6:73793bae15ba	1145	STRING_delete(temp);
AzureIoTClient	6:73793bae15ba	1146	}
AzureIoTClient	6:73793bae15ba	1147	}
AzureIoTClient	6:73793bae15ba	1148	else
AzureIoTClient	6:73793bae15ba	1149	{
AzureIoTClient	6:73793bae15ba	1150	/there is at least 1 item already in the payload/
AzureIoTClient	6:73793bae15ba	1151	if (temp == NULL)
AzureIoTClient	6:73793bae15ba	1152	{
AzureIoTClient	6:73793bae15ba	1153	/there are multiple payloads encoded, the last one had an internal error, just go with those - closing the payload happens "after the loop"/
Azure.IoT Build	13:848d52f93daf	1154	/Codes_SRS_TRANSPORTMULTITHTTP_17_066: [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	1155	result = MAKE_PAYLOAD_OK;
AzureIoTClient	6:73793bae15ba	1156	keepGoing = false;
AzureIoTClient	6:73793bae15ba	1157	}
AzureIoTClient	6:73793bae15ba	1158	else
AzureIoTClient	6:73793bae15ba	1159	{
AzureIoTClient	6:73793bae15ba	1160	if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient	6:73793bae15ba	1161	{
AzureIoTClient	6:73793bae15ba	1162	/this item doesn't make it to the payload, but the payload is valid so far/
Azure.IoT Build	13:848d52f93daf	1163	/Codes_SRS_TRANSPORTMULTITHTTP_17_066: [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	1164	result = MAKE_PAYLOAD_OK;
AzureIoTClient	6:73793bae15ba	1165	keepGoing = false;
AzureIoTClient	6:73793bae15ba	1166	}
AzureIoTClient	6:73793bae15ba	1167	else if (STRING_concat_with_STRING(*payload, temp) != 0)
AzureIoTClient	6:73793bae15ba	1168	{
AzureIoTClient	6:73793bae15ba	1169	/should still send what there is so far.../
Azure.IoT Build	13:848d52f93daf	1170	/Codes_SRS_TRANSPORTMULTITHTTP_17_066: [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	1171	result = MAKE_PAYLOAD_OK;
AzureIoTClient	6:73793bae15ba	1172	keepGoing = false;
AzureIoTClient	6:73793bae15ba	1173	}
AzureIoTClient	6:73793bae15ba	1174	else
AzureIoTClient	6:73793bae15ba	1175	{
AzureIoTClient	6:73793bae15ba	1176	/cool, the payload made it there, let's continue... /
Azure.IoT Build	13:848d52f93daf	1177	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	13:848d52f93daf	1178	DList_InsertTailList(&(deviceData->eventConfirmations), head);
AzureIoTClient	6:73793bae15ba	1179	allMessagesSize += messageSize;
AzureIoTClient	6:73793bae15ba	1180	}
AzureIoTClient	6:73793bae15ba	1181	STRING_delete(temp);
AzureIoTClient	6:73793bae15ba	1182	}
AzureIoTClient	6:73793bae15ba	1183	}
AzureIoTClient	6:73793bae15ba	1184	}
AzureIoTClient	6:73793bae15ba	1185
AzureIoTClient	6:73793bae15ba	1186	/closing the payload/
AzureIoTClient	6:73793bae15ba	1187	if (result == MAKE_PAYLOAD_OK)
AzureIoTClient	6:73793bae15ba	1188	{
AzureIoTClient	6:73793bae15ba	1189	((char)STRING_c_str(payload))[STRING_length(payload) - 1] = ']'; /TODO - do this in STRING_HANDLE*/
AzureIoTClient	6:73793bae15ba	1190	}
AzureIoTClient	6:73793bae15ba	1191	else
AzureIoTClient	6:73793bae15ba	1192	{
AzureIoTClient	6:73793bae15ba	1193	/no need to close anything/
AzureIoTClient	6:73793bae15ba	1194	}
AzureIoTClient	6:73793bae15ba	1195	}
AzureIoTClient	6:73793bae15ba	1196	return result;
AzureIoTClient	6:73793bae15ba	1197	}
AzureIoTClient	6:73793bae15ba	1198
AzureIoTClient	6:73793bae15ba	1199	static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient	6:73793bae15ba	1200	{
AzureIoTClient	6:73793bae15ba	1201	/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	1202	DList_AppendTailList(destination->Flink, source);
AzureIoTClient	6:73793bae15ba	1203	DList_RemoveEntryList(source);
AzureIoTClient	6:73793bae15ba	1204	DList_InitializeListHead(source);
AzureIoTClient	6:73793bae15ba	1205	}
AzureIoTClient	6:73793bae15ba	1206
Azure.IoT Build	13:848d52f93daf	1207	static void DoEvent(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1208	{
Azure.IoT Build	13:848d52f93daf	1209
Azure.IoT Build	13:848d52f93daf	1210	if (DList_IsListEmpty(deviceData->waitingToSend))
AzureIoTClient	6:73793bae15ba	1211	{
Azure.IoT Build	13:848d52f93daf	1212	/Codes_SRS_TRANSPORTMULTITHTTP_17_060: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] /
AzureIoTClient	6:73793bae15ba	1213	}
AzureIoTClient	6:73793bae15ba	1214	else
AzureIoTClient	6:73793bae15ba	1215	{
Azure.IoT Build	13:848d52f93daf	1216	/Codes_SRS_TRANSPORTMULTITHTTP_17_053: [If option SetBatching is true then _Dowork shall send batched event message as specced below.] /
AzureIoTClient	6:73793bae15ba	1217	if (handleData->doBatchedTransfers)
AzureIoTClient	6:73793bae15ba	1218	{
Azure.IoT Build	13:848d52f93daf	1219	/Codes_SRS_TRANSPORTMULTITHTTP_17_054: [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.] /
Azure.IoT Build	13:848d52f93daf	1220	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	1221	{
Azure.IoT Build	13:848d52f93daf	1222	/Codes_SRS_TRANSPORTMULTITHTTP_17_055: [If updating Content-Type fails for any reason, then _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1223	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient	6:73793bae15ba	1224	}
AzureIoTClient	6:73793bae15ba	1225	else
AzureIoTClient	6:73793bae15ba	1226	{
Azure.IoT Build	13:848d52f93daf	1227	/Codes_SRS_TRANSPORTMULTITHTTP_17_059: [It shall inspect the "waitingToSend" DLIST passed in config structure.] /
AzureIoTClient	6:73793bae15ba	1228	STRING_HANDLE payload;
Azure.IoT Build	13:848d52f93daf	1229	switch (makePayload(deviceData, &payload))
AzureIoTClient	6:73793bae15ba	1230	{
AzureIoTClient	6:73793bae15ba	1231	case MAKE_PAYLOAD_OK:
AzureIoTClient	6:73793bae15ba	1232	{
Azure.IoT Build	13:848d52f93daf	1233	/Codes_SRS_TRANSPORTMULTITHTTP_17_068: [Once a final payload has been obtained, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters:] /
AzureIoTClient	6:73793bae15ba	1234	BUFFER_HANDLE temp = BUFFER_new();
AzureIoTClient	6:73793bae15ba	1235	if (temp == NULL)
AzureIoTClient	6:73793bae15ba	1236	{
AzureIoTClient	6:73793bae15ba	1237	LogError("unable to BUFFER_new\r\n");
Azure.IoT Build	13:848d52f93daf	1238	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	13:848d52f93daf	1239	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
AzureIoTClient	6:73793bae15ba	1240	}
AzureIoTClient	6:73793bae15ba	1241	else
AzureIoTClient	6:73793bae15ba	1242	{
AzureIoTClient	6:73793bae15ba	1243	if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
AzureIoTClient	6:73793bae15ba	1244	{
AzureIoTClient	6:73793bae15ba	1245	LogError("unable to BUFFER_build\r\n");
AzureIoTClient	6:73793bae15ba	1246	//items go back to waitingToSend
Azure.IoT Build	13:848d52f93daf	1247	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	13:848d52f93daf	1248	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
AzureIoTClient	6:73793bae15ba	1249	}
AzureIoTClient	6:73793bae15ba	1250	else
AzureIoTClient	6:73793bae15ba	1251	{
AzureIoTClient	6:73793bae15ba	1252	unsigned int statusCode;
AzureIoTClient	6:73793bae15ba	1253	HTTPAPIEX_RESULT r;
AzureIoTClient	6:73793bae15ba	1254	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	13:848d52f93daf	1255	deviceData->sasObject,
AzureIoTClient	6:73793bae15ba	1256	handleData->httpApiExHandle,
AzureIoTClient	6:73793bae15ba	1257	HTTPAPI_REQUEST_POST,
Azure.IoT Build	13:848d52f93daf	1258	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	13:848d52f93daf	1259	deviceData->eventHTTPrequestHeaders,
AzureIoTClient	6:73793bae15ba	1260	temp,
AzureIoTClient	6:73793bae15ba	1261	&statusCode,
AzureIoTClient	6:73793bae15ba	1262	NULL,
AzureIoTClient	6:73793bae15ba	1263	NULL
AzureIoTClient	6:73793bae15ba	1264	)) != HTTPAPIEX_OK)
AzureIoTClient	6:73793bae15ba	1265	{
AzureIoTClient	6:73793bae15ba	1266	LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient	6:73793bae15ba	1267	//items go back to waitingToSend
Azure.IoT Build	13:848d52f93daf	1268	/Codes_SRS_TRANSPORTMULTITHTTP_17_069: [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).] /
Azure.IoT Build	13:848d52f93daf	1269	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
AzureIoTClient	6:73793bae15ba	1270	}
AzureIoTClient	6:73793bae15ba	1271	else
AzureIoTClient	6:73793bae15ba	1272	{
AzureIoTClient	6:73793bae15ba	1273	if (statusCode < 300)
AzureIoTClient	6:73793bae15ba	1274	{
Azure.IoT Build	13:848d52f93daf	1275	/Codes_SRS_TRANSPORTMULTITHTTP_17_070: [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.] /
Azure.IoT Build	13:848d52f93daf	1276	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_BATCHSTATE_SUCCESS);
AzureIoTClient	6:73793bae15ba	1277	}
AzureIoTClient	6:73793bae15ba	1278	else
AzureIoTClient	6:73793bae15ba	1279	{
AzureIoTClient	6:73793bae15ba	1280	//items go back to waitingToSend
Azure.IoT Build	13:848d52f93daf	1281	/Codes_SRS_TRANSPORTMULTITHTTP_17_069: [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	1282	LogError("unexpected HTTP status code (%u)\r\n", statusCode);
Azure.IoT Build	13:848d52f93daf	1283	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
AzureIoTClient	6:73793bae15ba	1284	}
AzureIoTClient	6:73793bae15ba	1285	}
AzureIoTClient	6:73793bae15ba	1286	}
AzureIoTClient	6:73793bae15ba	1287	BUFFER_delete(temp);
AzureIoTClient	6:73793bae15ba	1288	}
AzureIoTClient	6:73793bae15ba	1289	STRING_delete(payload);
AzureIoTClient	6:73793bae15ba	1290	break;
AzureIoTClient	6:73793bae15ba	1291	}
AzureIoTClient	6:73793bae15ba	1292	case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
AzureIoTClient	6:73793bae15ba	1293	{
Azure.IoT Build	13:848d52f93daf	1294	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /takes care of emptying the list too/
AzureIoTClient	6:73793bae15ba	1295	break;
AzureIoTClient	6:73793bae15ba	1296	}
AzureIoTClient	6:73793bae15ba	1297	case MAKE_PAYLOAD_ERROR:
AzureIoTClient	6:73793bae15ba	1298	{
AzureIoTClient	6:73793bae15ba	1299	LogError("unrecoverable errors while building a batch message\r\n");
AzureIoTClient	6:73793bae15ba	1300	break;
AzureIoTClient	6:73793bae15ba	1301	}
AzureIoTClient	6:73793bae15ba	1302	case MAKE_PAYLOAD_NO_ITEMS:
AzureIoTClient	6:73793bae15ba	1303	{
AzureIoTClient	6:73793bae15ba	1304	/do nothing/
AzureIoTClient	6:73793bae15ba	1305	break;
AzureIoTClient	6:73793bae15ba	1306	}
AzureIoTClient	6:73793bae15ba	1307	default:
AzureIoTClient	6:73793bae15ba	1308	{
AzureIoTClient	6:73793bae15ba	1309	LogError("internal error: switch's default branch reached when never intended\r\n");
AzureIoTClient	6:73793bae15ba	1310	break;
AzureIoTClient	6:73793bae15ba	1311	}
AzureIoTClient	6:73793bae15ba	1312	}
AzureIoTClient	6:73793bae15ba	1313	}
AzureIoTClient	6:73793bae15ba	1314	}
AzureIoTClient	6:73793bae15ba	1315	else
AzureIoTClient	6:73793bae15ba	1316	{
AzureIoTClient	6:73793bae15ba	1317	const unsigned char* messageContent=NULL;
AzureIoTClient	6:73793bae15ba	1318	size_t messageSize=0;
AzureIoTClient	6:73793bae15ba	1319	size_t originalMessageSize=0;
Azure.IoT Build	13:848d52f93daf	1320	IOTHUB_MESSAGE_LIST* message = containingRecord(deviceData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient	6:73793bae15ba	1321	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1322
Azure.IoT Build	13:848d52f93daf	1323	/Codes_SRS_TRANSPORTMULTITHTTP_17_073: [The message size is computed from the length of the payload + 384.]/
AzureIoTClient	6:73793bae15ba	1324	if (!(
AzureIoTClient	6:73793bae15ba	1325	(((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
AzureIoTClient	6:73793bae15ba	1326	(IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize)==IOTHUB_MESSAGE_OK)) ? (messageSize= originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD, 1): 0)
AzureIoTClient	6:73793bae15ba	1327
AzureIoTClient	6:73793bae15ba	1328	\|\|
AzureIoTClient	6:73793bae15ba	1329
AzureIoTClient	6:73793bae15ba	1330	((contentType == IOTHUBMESSAGE_STRING) && (
AzureIoTClient	6:73793bae15ba	1331	messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle),
AzureIoTClient	6:73793bae15ba	1332	(messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)?0:strlen((const char*)messageContent)))),
AzureIoTClient	6:73793bae15ba	1333	messageContent!=NULL)
AzureIoTClient	6:73793bae15ba	1334	)
AzureIoTClient	6:73793bae15ba	1335	))
AzureIoTClient	6:73793bae15ba	1336	{
AzureIoTClient	6:73793bae15ba	1337	LogError("unable to get the message content\r\n");
AzureIoTClient	6:73793bae15ba	1338	/go on.../
AzureIoTClient	6:73793bae15ba	1339	}
AzureIoTClient	6:73793bae15ba	1340	else
AzureIoTClient	6:73793bae15ba	1341	{
Azure.IoT Build	13:848d52f93daf	1342	/Codes_SRS_TRANSPORTMULTITHTTP_17_075: [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.]/
Azure.IoT Build	13:848d52f93daf	1343	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
AzureIoTClient	6:73793bae15ba	1344	if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient	6:73793bae15ba	1345	{
Azure.IoT Build	13:848d52f93daf	1346	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	13:848d52f93daf	1347	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	13:848d52f93daf	1348	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /takes care of emptying the list too/
AzureIoTClient	6:73793bae15ba	1349	}
AzureIoTClient	6:73793bae15ba	1350	else
AzureIoTClient	6:73793bae15ba	1351	{
Azure.IoT Build	13:848d52f93daf	1352	/Codes_SRS_TRANSPORTMULTITHTTP_17_071: [If option SetBatching is false then _Dowork shall send individual event message as specced below.] /
Azure.IoT Build	13:848d52f93daf	1353	/Codes_SRS_TRANSPORTMULTITHTTP_17_076: [A clone of the event HTTP request headers shall be created.]/
Azure.IoT Build	13:848d52f93daf	1354	HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(deviceData->eventHTTPrequestHeaders);
AzureIoTClient	6:73793bae15ba	1355	if (clonedEventHTTPrequestHeaders == NULL)
AzureIoTClient	6:73793bae15ba	1356	{
Azure.IoT Build	13:848d52f93daf	1357	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1358	LogError("HTTPHeaders_Clone failed\r\n");
AzureIoTClient	6:73793bae15ba	1359	}
AzureIoTClient	6:73793bae15ba	1360	else
AzureIoTClient	6:73793bae15ba	1361	{
Azure.IoT Build	13:848d52f93daf	1362	/Codes_SRS_TRANSPORTMULTITHTTP_17_077: [The cloned HTTP headers shall have the HTTP header "Content-Type" set to "application/octet-stream".] /
AzureIoTClient	6:73793bae15ba	1363	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	1364	{
Azure.IoT Build	13:848d52f93daf	1365	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1366	LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed\r\n");
AzureIoTClient	6:73793bae15ba	1367	}
AzureIoTClient	6:73793bae15ba	1368	else
AzureIoTClient	6:73793bae15ba	1369	{
Azure.IoT Build	13:848d52f93daf	1370	/Codes_SRS_TRANSPORTMULTITHTTP_17_078: [Every message property "property":"value" shall be added to the HTTP headers as an individual header "iothub-app-property":"value".] /
AzureIoTClient	6:73793bae15ba	1371	MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1372	const charconst keys;
AzureIoTClient	6:73793bae15ba	1373	const charconst values;
AzureIoTClient	6:73793bae15ba	1374	size_t count;
AzureIoTClient	6:73793bae15ba	1375	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
AzureIoTClient	6:73793bae15ba	1376	{
Azure.IoT Build	13:848d52f93daf	1377	/Codes_SRS_TRANSPORTMULTITHTTP_17_078: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1378	LogError("unable to Map_GetInternals\r\n");
AzureIoTClient	6:73793bae15ba	1379	}
AzureIoTClient	6:73793bae15ba	1380	else
AzureIoTClient	6:73793bae15ba	1381	{
AzureIoTClient	6:73793bae15ba	1382	size_t i;
AzureIoTClient	6:73793bae15ba	1383	bool goOn = true;
AzureIoTClient	8:1b71bf027eb5	1384	const char* msgId;
AzureIoTClient	8:1b71bf027eb5	1385	const char* corrId;
AzureIoTClient	8:1b71bf027eb5	1386
AzureIoTClient	6:73793bae15ba	1387	for (i = 0; (i < count) && goOn; i++)
AzureIoTClient	6:73793bae15ba	1388	{
Azure.IoT Build	13:848d52f93daf	1389	/Codes_SRS_TRANSPORTMULTITHTTP_17_074: [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	1390	messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
AzureIoTClient	6:73793bae15ba	1391	if (messageSize > MAXIMUM_MESSAGE_SIZE)
AzureIoTClient	6:73793bae15ba	1392	{
Azure.IoT Build	13:848d52f93daf	1393	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	13:848d52f93daf	1394	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	13:848d52f93daf	1395	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	13:848d52f93daf	1396	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_BATCHSTATE_FAILED); /takes care of emptying the list too/
AzureIoTClient	6:73793bae15ba	1397	goOn = false;
AzureIoTClient	6:73793bae15ba	1398	}
AzureIoTClient	6:73793bae15ba	1399	else
AzureIoTClient	6:73793bae15ba	1400	{
AzureIoTClient	6:73793bae15ba	1401	STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
AzureIoTClient	6:73793bae15ba	1402	if (temp == NULL)
AzureIoTClient	6:73793bae15ba	1403	{
Azure.IoT Build	13:848d52f93daf	1404	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1405	LogError("unable to STRING_construct\r\n");
AzureIoTClient	6:73793bae15ba	1406	goOn = false;
AzureIoTClient	6:73793bae15ba	1407	}
AzureIoTClient	6:73793bae15ba	1408	else
AzureIoTClient	6:73793bae15ba	1409	{
AzureIoTClient	6:73793bae15ba	1410	if (STRING_concat(temp, keys[i]) != 0)
AzureIoTClient	6:73793bae15ba	1411	{
Azure.IoT Build	13:848d52f93daf	1412	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1413	LogError("unable to STRING_concat\r\n");
AzureIoTClient	6:73793bae15ba	1414	goOn = false;
AzureIoTClient	6:73793bae15ba	1415	}
AzureIoTClient	6:73793bae15ba	1416	else
AzureIoTClient	6:73793bae15ba	1417	{
AzureIoTClient	6:73793bae15ba	1418	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	1419	{
Azure.IoT Build	13:848d52f93daf	1420	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1421	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient	6:73793bae15ba	1422	goOn = false;
AzureIoTClient	6:73793bae15ba	1423	}
AzureIoTClient	6:73793bae15ba	1424	}
AzureIoTClient	6:73793bae15ba	1425	STRING_delete(temp);
AzureIoTClient	6:73793bae15ba	1426	}
AzureIoTClient	6:73793bae15ba	1427	}
AzureIoTClient	6:73793bae15ba	1428	}
AzureIoTClient	6:73793bae15ba	1429
AzureIoTClient	7:48f0f78cd3ef	1430	// Add the Message Id and the Correlation Id
AzureIoTClient	8:1b71bf027eb5	1431	msgId = IoTHubMessage_GetMessageId(message->messageHandle);
AzureIoTClient	7:48f0f78cd3ef	1432	if (goOn && msgId != NULL)
AzureIoTClient	7:48f0f78cd3ef	1433	{
AzureIoTClient	7:48f0f78cd3ef	1434	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_MESSAGE_ID, msgId) != HTTP_HEADERS_OK)
AzureIoTClient	7:48f0f78cd3ef	1435	{
AzureIoTClient	7:48f0f78cd3ef	1436	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient	7:48f0f78cd3ef	1437	goOn = false;
AzureIoTClient	7:48f0f78cd3ef	1438	}
AzureIoTClient	7:48f0f78cd3ef	1439	}
AzureIoTClient	7:48f0f78cd3ef	1440
AzureIoTClient	8:1b71bf027eb5	1441	corrId = IoTHubMessage_GetCorrelationId(message->messageHandle);
AzureIoTClient	7:48f0f78cd3ef	1442	if (goOn && corrId != NULL)
AzureIoTClient	7:48f0f78cd3ef	1443	{
AzureIoTClient	7:48f0f78cd3ef	1444	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CORRELATION_ID, corrId) != HTTP_HEADERS_OK)
AzureIoTClient	7:48f0f78cd3ef	1445	{
AzureIoTClient	7:48f0f78cd3ef	1446	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair\r\n");
AzureIoTClient	7:48f0f78cd3ef	1447	goOn = false;
AzureIoTClient	7:48f0f78cd3ef	1448	}
AzureIoTClient	7:48f0f78cd3ef	1449	}
AzureIoTClient	7:48f0f78cd3ef	1450
AzureIoTClient	6:73793bae15ba	1451	if (!goOn)
AzureIoTClient	6:73793bae15ba	1452	{
Azure.IoT Build	13:848d52f93daf	1453	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
AzureIoTClient	6:73793bae15ba	1454	}
AzureIoTClient	6:73793bae15ba	1455	else
AzureIoTClient	6:73793bae15ba	1456	{
Azure.IoT Build	13:848d52f93daf	1457	/Codes_SRS_TRANSPORTMULTITHTTP_17_080: [IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters] /
AzureIoTClient	6:73793bae15ba	1458	BUFFER_HANDLE toBeSend = BUFFER_new();
AzureIoTClient	6:73793bae15ba	1459	if (toBeSend == NULL)
AzureIoTClient	6:73793bae15ba	1460	{
AzureIoTClient	6:73793bae15ba	1461	LogError("unable to BUFFER_new\r\n");
AzureIoTClient	6:73793bae15ba	1462	}
AzureIoTClient	6:73793bae15ba	1463	else
AzureIoTClient	6:73793bae15ba	1464	{
AzureIoTClient	6:73793bae15ba	1465	if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
AzureIoTClient	6:73793bae15ba	1466	{
AzureIoTClient	6:73793bae15ba	1467	LogError("unable to BUFFER_build\r\n");
AzureIoTClient	6:73793bae15ba	1468	}
AzureIoTClient	6:73793bae15ba	1469	else
AzureIoTClient	6:73793bae15ba	1470	{
AzureIoTClient	6:73793bae15ba	1471	unsigned int statusCode;
AzureIoTClient	6:73793bae15ba	1472	HTTPAPIEX_RESULT r;
AzureIoTClient	6:73793bae15ba	1473	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	13:848d52f93daf	1474	deviceData->sasObject,
AzureIoTClient	6:73793bae15ba	1475	handleData->httpApiExHandle,
AzureIoTClient	6:73793bae15ba	1476	HTTPAPI_REQUEST_POST,
Azure.IoT Build	13:848d52f93daf	1477	STRING_c_str(deviceData->eventHTTPrelativePath),
AzureIoTClient	6:73793bae15ba	1478	clonedEventHTTPrequestHeaders,
AzureIoTClient	6:73793bae15ba	1479	toBeSend,
AzureIoTClient	6:73793bae15ba	1480	&statusCode,
AzureIoTClient	6:73793bae15ba	1481	NULL,
AzureIoTClient	6:73793bae15ba	1482	NULL
AzureIoTClient	6:73793bae15ba	1483	)) != HTTPAPIEX_OK)
AzureIoTClient	6:73793bae15ba	1484	{
AzureIoTClient	6:73793bae15ba	1485	LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient	6:73793bae15ba	1486	}
AzureIoTClient	6:73793bae15ba	1487	else
AzureIoTClient	6:73793bae15ba	1488	{
AzureIoTClient	6:73793bae15ba	1489	if (statusCode < 300)
AzureIoTClient	6:73793bae15ba	1490	{
Azure.IoT Build	13:848d52f93daf	1491	/Codes_SRS_TRANSPORTMULTITHTTP_17_082: [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.] /
Azure.IoT Build	13:848d52f93daf	1492	PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	13:848d52f93daf	1493	DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
Azure.IoT Build	13:848d52f93daf	1494	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_BATCHSTATE_SUCCESS); /takes care of emptying the list too/
AzureIoTClient	6:73793bae15ba	1495	}
AzureIoTClient	6:73793bae15ba	1496	else
AzureIoTClient	6:73793bae15ba	1497	{
Azure.IoT Build	13:848d52f93daf	1498	/Codes_SRS_TRANSPORTMULTITHTTP_17_081: [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	1499	LogError("unexpected HTTP status code (%u)\r\n", statusCode);
AzureIoTClient	6:73793bae15ba	1500	}
AzureIoTClient	6:73793bae15ba	1501	}
AzureIoTClient	6:73793bae15ba	1502	}
AzureIoTClient	6:73793bae15ba	1503	BUFFER_delete(toBeSend);
AzureIoTClient	6:73793bae15ba	1504	}
AzureIoTClient	6:73793bae15ba	1505	}
AzureIoTClient	6:73793bae15ba	1506	}
AzureIoTClient	6:73793bae15ba	1507	}
AzureIoTClient	6:73793bae15ba	1508	HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
AzureIoTClient	6:73793bae15ba	1509	}
AzureIoTClient	6:73793bae15ba	1510	}
AzureIoTClient	6:73793bae15ba	1511	}
AzureIoTClient	6:73793bae15ba	1512	}
AzureIoTClient	6:73793bae15ba	1513	}
AzureIoTClient	6:73793bae15ba	1514	}
AzureIoTClient	6:73793bae15ba	1515
AzureIoTClient	6:73793bae15ba	1516	#define ACTION_VALUES \
AzureIoTClient	6:73793bae15ba	1517	ABANDON, \
AzureIoTClient	6:73793bae15ba	1518	REJECT, \
AzureIoTClient	6:73793bae15ba	1519	ACCEPT
AzureIoTClient	6:73793bae15ba	1520	DEFINE_ENUM(ACTION, ACTION_VALUES);
AzureIoTClient	6:73793bae15ba	1521
Azure.IoT Build	13:848d52f93daf	1522	static void abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* ETag, ACTION action)
AzureIoTClient	6:73793bae15ba	1523	{
Azure.IoT Build	13:848d52f93daf	1524	/*Codes_SRS_TRANSPORTMULTITHTTP_17_097: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient	6:73793bae15ba	1525	-requestType: POST
Azure.IoT Build	12:9e2531d86009	1526	-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03"
AzureIoTClient	6:73793bae15ba	1527	- requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient	6:73793bae15ba	1528	Authorization: " "
AzureIoTClient	6:73793bae15ba	1529	If-Match: value of ETag
AzureIoTClient	6:73793bae15ba	1530	- requestContent: NULL
AzureIoTClient	6:73793bae15ba	1531	- statusCode: a pointer to unsigned int which might be examined for logging
AzureIoTClient	6:73793bae15ba	1532	- responseHeadearsHandle: NULL
AzureIoTClient	6:73793bae15ba	1533	- responseContent: NULL]*/
Azure.IoT Build	13:848d52f93daf	1534	/*Codes_SRS_TRANSPORTMULTITHTTP_17_099: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient	6:73793bae15ba	1535	-requestType: DELETE
Azure.IoT Build	12:9e2531d86009	1536	-relativePath: abandon relative path begin + value of ETag + "?api-version=2016-02-03"
AzureIoTClient	6:73793bae15ba	1537	- requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient	6:73793bae15ba	1538	Authorization: " "
AzureIoTClient	6:73793bae15ba	1539	If-Match: value of ETag
AzureIoTClient	6:73793bae15ba	1540	- requestContent: NULL
AzureIoTClient	6:73793bae15ba	1541	- statusCode: a pointer to unsigned int which might be used by logging
AzureIoTClient	6:73793bae15ba	1542	- responseHeadearsHandle: NULL
AzureIoTClient	6:73793bae15ba	1543	- responseContent: NULL]*/
Azure.IoT Build	13:848d52f93daf	1544	/*Codes_SRS_TRANSPORTMULTITHTTP_17_101: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
AzureIoTClient	6:73793bae15ba	1545	-requestType: DELETE
Azure.IoT Build	12:9e2531d86009	1546	-relativePath: abandon relative path begin + value of ETag +"?api-version=2016-02-03" + "&reject"
AzureIoTClient	6:73793bae15ba	1547	- requestHttpHeadersHandle: an HTTP headers instance containing the following
AzureIoTClient	6:73793bae15ba	1548	Authorization: " "
AzureIoTClient	6:73793bae15ba	1549	If-Match: value of ETag
AzureIoTClient	6:73793bae15ba	1550	- requestContent: NULL
AzureIoTClient	6:73793bae15ba	1551	- statusCode: a pointer to unsigned int which might be used by logging
AzureIoTClient	6:73793bae15ba	1552	- responseHeadearsHandle: NULL
AzureIoTClient	6:73793bae15ba	1553	- responseContent: NULL]*/
AzureIoTClient	6:73793bae15ba	1554
Azure.IoT Build	13:848d52f93daf	1555	STRING_HANDLE fullAbandonRelativePath = STRING_clone(deviceData->abandonHTTPrelativePathBegin);
AzureIoTClient	6:73793bae15ba	1556	if (fullAbandonRelativePath == NULL)
AzureIoTClient	6:73793bae15ba	1557	{
Azure.IoT Build	13:848d52f93daf	1558	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1559	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1560	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1561	LogError("unable to STRING_clone\r\n");
AzureIoTClient	6:73793bae15ba	1562	}
AzureIoTClient	6:73793bae15ba	1563	else
AzureIoTClient	6:73793bae15ba	1564	{
AzureIoTClient	6:73793bae15ba	1565	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	1566	if (ETagUnquoted == NULL)
AzureIoTClient	6:73793bae15ba	1567	{
Azure.IoT Build	13:848d52f93daf	1568	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1569	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1570	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1571	LogError("unable to STRING_construct_n\r\n");
AzureIoTClient	6:73793bae15ba	1572	}
AzureIoTClient	6:73793bae15ba	1573	else
AzureIoTClient	6:73793bae15ba	1574	{
AzureIoTClient	6:73793bae15ba	1575	if (!(
AzureIoTClient	6:73793bae15ba	1576	(STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
AzureIoTClient	6:73793bae15ba	1577	(STRING_concat(fullAbandonRelativePath, (action == ABANDON) ? "/abandon" API_VERSION : ((action == REJECT) ? API_VERSION "&reject" : API_VERSION)) == 0)
AzureIoTClient	6:73793bae15ba	1578	))
AzureIoTClient	6:73793bae15ba	1579	{
Azure.IoT Build	13:848d52f93daf	1580	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1581	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1582	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1583	LogError("unable to STRING_concat\r\n");
AzureIoTClient	6:73793bae15ba	1584	}
AzureIoTClient	6:73793bae15ba	1585	else
AzureIoTClient	6:73793bae15ba	1586	{
AzureIoTClient	6:73793bae15ba	1587	HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
AzureIoTClient	6:73793bae15ba	1588	if (abandonRequestHttpHeaders == NULL)
AzureIoTClient	6:73793bae15ba	1589	{
Azure.IoT Build	13:848d52f93daf	1590	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1591	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1592	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1593	LogError("unable to HTTPHeaders_Alloc\r\n");
AzureIoTClient	6:73793bae15ba	1594	}
AzureIoTClient	6:73793bae15ba	1595	else
AzureIoTClient	6:73793bae15ba	1596	{
AzureIoTClient	6:73793bae15ba	1597	if (!(
Azure.IoT Build	13:848d52f93daf	1598	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
AzureIoTClient	6:73793bae15ba	1599	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
AzureIoTClient	6:73793bae15ba	1600	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	1601	))
AzureIoTClient	6:73793bae15ba	1602	{
Azure.IoT Build	13:848d52f93daf	1603	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1604	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1605	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1606	LogError("unable to HTTPHeaders_AddHeaderNameValuePair\r\n");
AzureIoTClient	6:73793bae15ba	1607	}
AzureIoTClient	6:73793bae15ba	1608	else
AzureIoTClient	6:73793bae15ba	1609	{
AzureIoTClient	6:73793bae15ba	1610	unsigned int statusCode;
AzureIoTClient	6:73793bae15ba	1611	if (HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	13:848d52f93daf	1612	deviceData->sasObject,
AzureIoTClient	6:73793bae15ba	1613	handleData->httpApiExHandle,
AzureIoTClient	6:73793bae15ba	1614	(action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
Azure.IoT Build	12:9e2531d86009	1615	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03" /
AzureIoTClient	6:73793bae15ba	1616	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
AzureIoTClient	6:73793bae15ba	1617	NULL, /- requestContent: NULL /
AzureIoTClient	6:73793bae15ba	1618	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
AzureIoTClient	6:73793bae15ba	1619	NULL, /- responseHeadearsHandle: NULL /
AzureIoTClient	6:73793bae15ba	1620	NULL /- responseContent: NULL] /
AzureIoTClient	6:73793bae15ba	1621	) != HTTPAPIEX_OK)
AzureIoTClient	6:73793bae15ba	1622	{
Azure.IoT Build	13:848d52f93daf	1623	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1624	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1625	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1626	LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient	6:73793bae15ba	1627	}
AzureIoTClient	6:73793bae15ba	1628	else
AzureIoTClient	6:73793bae15ba	1629	{
AzureIoTClient	6:73793bae15ba	1630	if (statusCode != 204)
AzureIoTClient	6:73793bae15ba	1631	{
Azure.IoT Build	13:848d52f93daf	1632	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1633	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1634	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1635	LogError("unexpected status code returned %u (was expecting 204)\r\n", statusCode);
AzureIoTClient	6:73793bae15ba	1636	}
AzureIoTClient	6:73793bae15ba	1637	else
AzureIoTClient	6:73793bae15ba	1638	{
Azure.IoT Build	13:848d52f93daf	1639	/Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]/
Azure.IoT Build	13:848d52f93daf	1640	/Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	13:848d52f93daf	1641	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
AzureIoTClient	6:73793bae15ba	1642	/all is fine/
AzureIoTClient	6:73793bae15ba	1643	}
AzureIoTClient	6:73793bae15ba	1644	}
AzureIoTClient	6:73793bae15ba	1645	}
AzureIoTClient	6:73793bae15ba	1646	HTTPHeaders_Free(abandonRequestHttpHeaders);
AzureIoTClient	6:73793bae15ba	1647	}
AzureIoTClient	6:73793bae15ba	1648	}
AzureIoTClient	6:73793bae15ba	1649	STRING_delete(ETagUnquoted);
AzureIoTClient	6:73793bae15ba	1650	}
AzureIoTClient	6:73793bae15ba	1651	STRING_delete(fullAbandonRelativePath);
AzureIoTClient	6:73793bae15ba	1652	}
AzureIoTClient	6:73793bae15ba	1653	}
AzureIoTClient	6:73793bae15ba	1654
Azure.IoT Build	13:848d52f93daf	1655	static void DoMessages(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1656	{
Azure.IoT Build	13:848d52f93daf	1657	/Codes_SRS_TRANSPORTMULTITHTTP_17_083: [ If device is not subscribed then _DoWork shall advance to the next action. ] /
Azure.IoT Build	13:848d52f93daf	1658	if (deviceData->DoWork_PullMessage)
AzureIoTClient	6:73793bae15ba	1659	{
Azure.IoT Build	13:848d52f93daf	1660	/Codes_SRS_TRANSPORTMULTITHTTP_17_123: [After client creation, the first GET shall be allowed no matter what the value of GetMinimumPollingTime.] /
Azure.IoT Build	13:848d52f93daf	1661	/Codes_SRS_TRANSPORTMULTITHTTP_17_124: [If time is not available then all calls shall be treated as if they are the first one.] /
Azure.IoT Build	13:848d52f93daf	1662	/Codes_SRS_TRANSPORTMULTITHTTP_17_122: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] /
AzureIoTClient	6:73793bae15ba	1663	time_t timeNow = get_time(NULL);
Azure.IoT Build	13:848d52f93daf	1664	bool isPollingAllowed = deviceData->isFirstPoll \|\| (timeNow == (time_t)(-1)) \|\| (get_difftime(timeNow, deviceData->lastPollTime) > handleData->getMinimumPollingTime);
AzureIoTClient	6:73793bae15ba	1665	if (isPollingAllowed)
AzureIoTClient	6:73793bae15ba	1666	{
AzureIoTClient	6:73793bae15ba	1667	HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
AzureIoTClient	6:73793bae15ba	1668	if (responseHTTPHeaders == NULL)
AzureIoTClient	6:73793bae15ba	1669	{
Azure.IoT Build	13:848d52f93daf	1670	/Codes_SRS_TRANSPORTMULTITHTTP_17_085: [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	1671	LogError("unable to HTTPHeaders_Alloc\r\n");
AzureIoTClient	6:73793bae15ba	1672	}
AzureIoTClient	6:73793bae15ba	1673	else
AzureIoTClient	6:73793bae15ba	1674	{
AzureIoTClient	6:73793bae15ba	1675	BUFFER_HANDLE responseContent = BUFFER_new();
AzureIoTClient	6:73793bae15ba	1676	if (responseContent == NULL)
AzureIoTClient	6:73793bae15ba	1677	{
Azure.IoT Build	13:848d52f93daf	1678	/Codes_SRS_TRANSPORTMULTITHTTP_17_085: [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	1679	LogError("unable to BUFFER_new\r\n");
AzureIoTClient	6:73793bae15ba	1680	}
AzureIoTClient	6:73793bae15ba	1681	else
AzureIoTClient	6:73793bae15ba	1682	{
AzureIoTClient	6:73793bae15ba	1683	unsigned int statusCode;
Azure.IoT Build	13:848d52f93daf	1684	/*Codes_SRS_TRANSPORTMULTITHTTP_17_084: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
AzureIoTClient	6:73793bae15ba	1685	requestType: GET
AzureIoTClient	6:73793bae15ba	1686	relativePath: the message HTTP relative path
AzureIoTClient	6:73793bae15ba	1687	requestHttpHeadersHandle: message HTTP request headers created by _Create
AzureIoTClient	6:73793bae15ba	1688	requestContent: NULL
AzureIoTClient	6:73793bae15ba	1689	statusCode: a pointer to unsigned int which shall be later examined
AzureIoTClient	6:73793bae15ba	1690	responseHeadearsHandle: a new instance of HTTP headers
AzureIoTClient	6:73793bae15ba	1691	responseContent: a new instance of buffer]
AzureIoTClient	6:73793bae15ba	1692	*/
AzureIoTClient	6:73793bae15ba	1693	if (HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	13:848d52f93daf	1694	deviceData->sasObject,
AzureIoTClient	6:73793bae15ba	1695	handleData->httpApiExHandle,
AzureIoTClient	6:73793bae15ba	1696	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	13:848d52f93daf	1697	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	13:848d52f93daf	1698	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
AzureIoTClient	6:73793bae15ba	1699	NULL, /requestContent: NULL/
AzureIoTClient	6:73793bae15ba	1700	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
AzureIoTClient	6:73793bae15ba	1701	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
AzureIoTClient	6:73793bae15ba	1702	responseContent /responseContent: a new instance of buffer/
AzureIoTClient	6:73793bae15ba	1703	)
AzureIoTClient	6:73793bae15ba	1704	!= HTTPAPIEX_OK)
AzureIoTClient	6:73793bae15ba	1705	{
Azure.IoT Build	13:848d52f93daf	1706	/Codes_SRS_TRANSPORTMULTITHTTP_17_085: [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	1707	LogError("unable to HTTPAPIEX_ExecuteRequest\r\n");
AzureIoTClient	6:73793bae15ba	1708	}
AzureIoTClient	6:73793bae15ba	1709	else
AzureIoTClient	6:73793bae15ba	1710	{
AzureIoTClient	6:73793bae15ba	1711	/HTTP dialogue was succesfull/
AzureIoTClient	6:73793bae15ba	1712	if (timeNow == (time_t)(-1))
AzureIoTClient	6:73793bae15ba	1713	{
Azure.IoT Build	13:848d52f93daf	1714	deviceData->isFirstPoll = true;
AzureIoTClient	6:73793bae15ba	1715	}
AzureIoTClient	6:73793bae15ba	1716	else
AzureIoTClient	6:73793bae15ba	1717	{
Azure.IoT Build	13:848d52f93daf	1718	deviceData->isFirstPoll = false;
Azure.IoT Build	13:848d52f93daf	1719	deviceData->lastPollTime = timeNow;
AzureIoTClient	6:73793bae15ba	1720	}
AzureIoTClient	6:73793bae15ba	1721	if (statusCode == 204)
AzureIoTClient	6:73793bae15ba	1722	{
Azure.IoT Build	13:848d52f93daf	1723	/Codes_SRS_TRANSPORTMULTITHTTP_17_086: [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	1724	/this is an expected status code, means "no commands", but logging that creates panic/
AzureIoTClient	6:73793bae15ba	1725
AzureIoTClient	6:73793bae15ba	1726	/do nothing, advance to next action/
AzureIoTClient	6:73793bae15ba	1727	}
AzureIoTClient	6:73793bae15ba	1728	else if (statusCode != 200)
AzureIoTClient	6:73793bae15ba	1729	{
Azure.IoT Build	13:848d52f93daf	1730	/Codes_SRS_TRANSPORTMULTITHTTP_17_086: [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	1731	LogError("expected status code was 200, but actually was received %u... moving on\r\n", statusCode);
AzureIoTClient	6:73793bae15ba	1732	}
AzureIoTClient	6:73793bae15ba	1733	else
AzureIoTClient	6:73793bae15ba	1734	{
Azure.IoT Build	13:848d52f93daf	1735	/Codes_SRS_TRANSPORTMULTITHTTP_17_087: [If status code is 200, then _DoWork shall make a copy of the value of the "ETag" http header.]/
AzureIoTClient	6:73793bae15ba	1736	const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
AzureIoTClient	6:73793bae15ba	1737	if (etagValue == NULL)
AzureIoTClient	6:73793bae15ba	1738	{
AzureIoTClient	6:73793bae15ba	1739	LogError("unable to find a received header called \"E-Tag\"\r\n");
AzureIoTClient	6:73793bae15ba	1740	}
AzureIoTClient	6:73793bae15ba	1741	else
AzureIoTClient	6:73793bae15ba	1742	{
Azure.IoT Build	13:848d52f93daf	1743	/Codes_SRS_TRANSPORTMULTITHTTP_17_088: [If no such header is found or is invalid, then _DoWork shall advance to the next action.]/
AzureIoTClient	6:73793bae15ba	1744	size_t etagsize = strlen(etagValue);
AzureIoTClient	6:73793bae15ba	1745	if (
AzureIoTClient	6:73793bae15ba	1746	(etagsize < 2) \|\|
AzureIoTClient	6:73793bae15ba	1747	(etagValue[0] != '"') \|\|
AzureIoTClient	6:73793bae15ba	1748	(etagValue[etagsize - 1] != '"')
AzureIoTClient	6:73793bae15ba	1749	)
AzureIoTClient	6:73793bae15ba	1750	{
AzureIoTClient	6:73793bae15ba	1751	LogError("ETag is not a valid quoted string\r\n");
AzureIoTClient	6:73793bae15ba	1752	}
AzureIoTClient	6:73793bae15ba	1753	else
AzureIoTClient	6:73793bae15ba	1754	{
Azure.IoT Build	13:848d52f93daf	1755	/Codes_SRS_TRANSPORTMULTITHTTP_17_089: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] /
AzureIoTClient	6:73793bae15ba	1756	IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(BUFFER_u_char(responseContent), BUFFER_length(responseContent));
AzureIoTClient	6:73793bae15ba	1757	if (receivedMessage == NULL)
AzureIoTClient	6:73793bae15ba	1758	{
Azure.IoT Build	13:848d52f93daf	1759	/Codes_SRS_TRANSPORTMULTITHTTP_17_092: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]/
AzureIoTClient	6:73793bae15ba	1760	LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... \r\n");
Azure.IoT Build	13:848d52f93daf	1761	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
AzureIoTClient	6:73793bae15ba	1762	}
AzureIoTClient	6:73793bae15ba	1763	else
AzureIoTClient	6:73793bae15ba	1764	{
Azure.IoT Build	13:848d52f93daf	1765	/Codes_SRS_TRANSPORTMULTITHTTP_17_090: [All the HTTP headers of the form iothub-app-name:somecontent shall be transformed in message properties {name, somecontent}.]/
Azure.IoT Build	13:848d52f93daf	1766	/Codes_SRS_TRANSPORTMULTITHTTP_17_091: [The HTTP header of iothub-messageid shall be set in the MessageId.]/
AzureIoTClient	6:73793bae15ba	1767	size_t nHeaders;
AzureIoTClient	6:73793bae15ba	1768	if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	1769	{
AzureIoTClient	6:73793bae15ba	1770	LogError("unable to get the count of HTTP headers\r\n");
Azure.IoT Build	13:848d52f93daf	1771	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
AzureIoTClient	6:73793bae15ba	1772	}
AzureIoTClient	6:73793bae15ba	1773	else
AzureIoTClient	6:73793bae15ba	1774	{
AzureIoTClient	6:73793bae15ba	1775	size_t i;
AzureIoTClient	6:73793bae15ba	1776	MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
AzureIoTClient	6:73793bae15ba	1777	for (i = 0; i < nHeaders; i++)
AzureIoTClient	6:73793bae15ba	1778	{
AzureIoTClient	6:73793bae15ba	1779	char* completeHeader;
AzureIoTClient	6:73793bae15ba	1780	if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
AzureIoTClient	6:73793bae15ba	1781	{
AzureIoTClient	6:73793bae15ba	1782	break;
AzureIoTClient	6:73793bae15ba	1783	}
AzureIoTClient	6:73793bae15ba	1784	else
AzureIoTClient	6:73793bae15ba	1785	{
AzureIoTClient	6:73793bae15ba	1786	if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
AzureIoTClient	6:73793bae15ba	1787	{
AzureIoTClient	6:73793bae15ba	1788	/looks like a property headers/
AzureIoTClient	6:73793bae15ba	1789	/there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module/
AzureIoTClient	6:73793bae15ba	1790	char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient	7:48f0f78cd3ef	1791	if (whereIsColon != NULL)
AzureIoTClient	7:48f0f78cd3ef	1792	{
AzureIoTClient	7:48f0f78cd3ef	1793	whereIsColon = '\0'; /cut it down*/
AzureIoTClient	7:48f0f78cd3ef	1794	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	7:48f0f78cd3ef	1795	{
AzureIoTClient	7:48f0f78cd3ef	1796	free(completeHeader);
AzureIoTClient	7:48f0f78cd3ef	1797	break;
AzureIoTClient	7:48f0f78cd3ef	1798	}
AzureIoTClient	7:48f0f78cd3ef	1799	}
AzureIoTClient	7:48f0f78cd3ef	1800	}
AzureIoTClient	7:48f0f78cd3ef	1801	else if (strncmp(IOTHUB_MESSAGE_ID, completeHeader, strlen(IOTHUB_MESSAGE_ID)) == 0)
AzureIoTClient	7:48f0f78cd3ef	1802	{
AzureIoTClient	7:48f0f78cd3ef	1803	char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient	7:48f0f78cd3ef	1804	if (whereIsColon != NULL)
AzureIoTClient	6:73793bae15ba	1805	{
AzureIoTClient	7:48f0f78cd3ef	1806	whereIsColon = '\0'; /cut it down*/
AzureIoTClient	7:48f0f78cd3ef	1807	if (IoTHubMessage_SetMessageId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
AzureIoTClient	7:48f0f78cd3ef	1808	{
AzureIoTClient	7:48f0f78cd3ef	1809	free(completeHeader);
AzureIoTClient	7:48f0f78cd3ef	1810	break;
AzureIoTClient	7:48f0f78cd3ef	1811	}
AzureIoTClient	7:48f0f78cd3ef	1812	}
AzureIoTClient	7:48f0f78cd3ef	1813	}
AzureIoTClient	7:48f0f78cd3ef	1814	else if (strncmp(IOTHUB_CORRELATION_ID, completeHeader, strlen(IOTHUB_CORRELATION_ID)) == 0)
AzureIoTClient	7:48f0f78cd3ef	1815	{
AzureIoTClient	7:48f0f78cd3ef	1816	char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient	7:48f0f78cd3ef	1817	if (whereIsColon != NULL)
AzureIoTClient	7:48f0f78cd3ef	1818	{
AzureIoTClient	7:48f0f78cd3ef	1819	whereIsColon = '\0'; /cut it down*/
AzureIoTClient	7:48f0f78cd3ef	1820	if (IoTHubMessage_SetCorrelationId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
AzureIoTClient	7:48f0f78cd3ef	1821	{
AzureIoTClient	7:48f0f78cd3ef	1822	free(completeHeader);
AzureIoTClient	7:48f0f78cd3ef	1823	break;
AzureIoTClient	7:48f0f78cd3ef	1824	}
AzureIoTClient	6:73793bae15ba	1825	}
AzureIoTClient	6:73793bae15ba	1826	}
AzureIoTClient	6:73793bae15ba	1827	free(completeHeader);
AzureIoTClient	6:73793bae15ba	1828	}
AzureIoTClient	6:73793bae15ba	1829	}
AzureIoTClient	6:73793bae15ba	1830
AzureIoTClient	6:73793bae15ba	1831	if (i < nHeaders)
AzureIoTClient	6:73793bae15ba	1832	{
Azure.IoT Build	13:848d52f93daf	1833	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
AzureIoTClient	6:73793bae15ba	1834	}
AzureIoTClient	6:73793bae15ba	1835	else
AzureIoTClient	6:73793bae15ba	1836	{
Azure.IoT Build	13:848d52f93daf	1837	/Codes_SRS_TRANSPORTMULTITHTTP_17_093: [Otherwise, _DoWork shall call IoTHubClient_LL_MessageCallback with parameters handle = iotHubClientHandle and message = newly created message.]/
AzureIoTClient	6:73793bae15ba	1838	IOTHUBMESSAGE_DISPOSITION_RESULT messageResult = IoTHubClient_LL_MessageCallback(iotHubClientHandle, receivedMessage);
AzureIoTClient	6:73793bae15ba	1839	if (messageResult == IOTHUBMESSAGE_ACCEPTED)
AzureIoTClient	6:73793bae15ba	1840	{
Azure.IoT Build	13:848d52f93daf	1841	/Codes_SRS_TRANSPORTMULTITHTTP_17_094: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ACCEPTED then _DoWork shall "accept" the message.]/
Azure.IoT Build	13:848d52f93daf	1842	abandonOrAcceptMessage(handleData, deviceData, etagValue, ACCEPT);
AzureIoTClient	6:73793bae15ba	1843	}
AzureIoTClient	6:73793bae15ba	1844	else if (messageResult == IOTHUBMESSAGE_REJECTED)
AzureIoTClient	6:73793bae15ba	1845	{
Azure.IoT Build	13:848d52f93daf	1846	/Codes_SRS_TRANSPORTMULTITHTTP_17_095: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_REJECTED then _DoWork shall "reject" the message.]/
Azure.IoT Build	13:848d52f93daf	1847	abandonOrAcceptMessage(handleData, deviceData, etagValue, REJECT);
AzureIoTClient	6:73793bae15ba	1848	}
AzureIoTClient	6:73793bae15ba	1849	else
AzureIoTClient	6:73793bae15ba	1850	{
Azure.IoT Build	13:848d52f93daf	1851	/Codes_SRS_TRANSPORTMULTITHTTP_17_096: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ABANDONED then _DoWork shall "abandon" the message.] /
Azure.IoT Build	13:848d52f93daf	1852	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
AzureIoTClient	6:73793bae15ba	1853	}
AzureIoTClient	6:73793bae15ba	1854	}
AzureIoTClient	6:73793bae15ba	1855	}
AzureIoTClient	6:73793bae15ba	1856	IoTHubMessage_Destroy(receivedMessage);
AzureIoTClient	6:73793bae15ba	1857	}
AzureIoTClient	6:73793bae15ba	1858	}
AzureIoTClient	6:73793bae15ba	1859
AzureIoTClient	6:73793bae15ba	1860	}
AzureIoTClient	6:73793bae15ba	1861	}
AzureIoTClient	6:73793bae15ba	1862	}
AzureIoTClient	6:73793bae15ba	1863	BUFFER_delete(responseContent);
AzureIoTClient	6:73793bae15ba	1864	}
AzureIoTClient	6:73793bae15ba	1865	HTTPHeaders_Free(responseHTTPHeaders);
AzureIoTClient	6:73793bae15ba	1866	}
AzureIoTClient	6:73793bae15ba	1867	}
AzureIoTClient	6:73793bae15ba	1868	else
AzureIoTClient	6:73793bae15ba	1869	{
AzureIoTClient	6:73793bae15ba	1870	/isPollingAllowed is false... /
AzureIoTClient	6:73793bae15ba	1871	/do nothing "shall be ignored/
AzureIoTClient	6:73793bae15ba	1872	}
AzureIoTClient	6:73793bae15ba	1873	}
AzureIoTClient	6:73793bae15ba	1874	}
AzureIoTClient	6:73793bae15ba	1875
Azure.IoT Build	14:fae5c6b2cce3	1876	void IoTHubTransportHttp_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1877	{
Azure.IoT Build	13:848d52f93daf	1878	/Codes_SRS_TRANSPORTMULTITHTTP_17_049: [ If handle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	1879	/Codes_SRS_TRANSPORTMULTITHTTP_17_140: [ If iotHubClientHandle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	1880
Azure.IoT Build	13:848d52f93daf	1881	(void)iotHubClientHandle; // use the perDevice handle.
Azure.IoT Build	14:fae5c6b2cce3	1882	if (handle != NULL)
AzureIoTClient	6:73793bae15ba	1883	{
Azure.IoT Build	13:848d52f93daf	1884	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	13:848d52f93daf	1885	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	1886	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	1887	/Codes_SRS_TRANSPORTMULTITHTTP_17_052: [ IoTHubTransportHttp_DoWork shall perform a round-robin loop through every deviceHandle in the transport device list, using the iotHubClientHandle field saved in the IOTHUB_DEVICE_HANDLE. ]/
Azure.IoT Build	13:848d52f93daf	1888	/Codes_SRS_TRANSPORTMULTITHTTP_17_050: [ IoTHubTransportHttp_DoWork shall call loop through the device list. ] /
Azure.IoT Build	13:848d52f93daf	1889	/Codes_SRS_TRANSPORTMULTITHTTP_17_051: [ IF the list is empty, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	1890	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	13:848d52f93daf	1891	{
Azure.IoT Build	13:848d52f93daf	1892	listItem = VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	13:848d52f93daf	1893	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA*)(listItem);
Azure.IoT Build	13:848d52f93daf	1894	DoEvent(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	13:848d52f93daf	1895	DoMessages(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	13:848d52f93daf	1896
Azure.IoT Build	13:848d52f93daf	1897	}
Azure.IoT Build	13:848d52f93daf	1898	}
Azure.IoT Build	13:848d52f93daf	1899	else
Azure.IoT Build	13:848d52f93daf	1900	{
Azure.IoT Build	13:848d52f93daf	1901	LogError("Invalid Argument NULL call on DoWork.\r\n");
AzureIoTClient	6:73793bae15ba	1902	}
AzureIoTClient	6:73793bae15ba	1903	}
AzureIoTClient	6:73793bae15ba	1904
Azure.IoT Build	13:848d52f93daf	1905	IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient	6:73793bae15ba	1906	{
AzureIoTClient	6:73793bae15ba	1907	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	6:73793bae15ba	1908
AzureIoTClient	6:73793bae15ba	1909	if (handle == NULL)
AzureIoTClient	6:73793bae15ba	1910	{
Azure.IoT Build	13:848d52f93daf	1911	/Codes_SRS_TRANSPORTMULTITHTTP_17_111: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter. ]/
AzureIoTClient	6:73793bae15ba	1912	result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient	6:73793bae15ba	1913	LogError("Invalid handle to IoTHubClient HTTP transport instance.\r\n");
AzureIoTClient	6:73793bae15ba	1914	}
AzureIoTClient	6:73793bae15ba	1915	else if (iotHubClientStatus == NULL)
AzureIoTClient	6:73793bae15ba	1916	{
AzureIoTClient	6:73793bae15ba	1917	result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient	6:73793bae15ba	1918	LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.\r\n");
AzureIoTClient	6:73793bae15ba	1919	}
AzureIoTClient	6:73793bae15ba	1920	else
AzureIoTClient	6:73793bae15ba	1921	{
Azure.IoT Build	13:848d52f93daf	1922	/Codes_SRS_TRANSPORTMULTITHTTP_17_138: [ IoTHubTransportHttp_GetSendStatus shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	13:848d52f93daf	1923	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	1924	if (listItem == NULL)
Azure.IoT Build	13:848d52f93daf	1925	{
Azure.IoT Build	13:848d52f93daf	1926	/Codes_SRS_TRANSPORTMULTITHTTP_17_139: [ If the device structure is not found, then this function shall fail and return with IOTHUB_CLIENT_INVALID_ARG. ]/
Azure.IoT Build	13:848d52f93daf	1927	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	13:848d52f93daf	1928	LogError("Device not found in transport list.\r\n");
Azure.IoT Build	13:848d52f93daf	1929	}
Azure.IoT Build	13:848d52f93daf	1930	else
Azure.IoT Build	13:848d52f93daf	1931	{
Azure.IoT Build	13:848d52f93daf	1932	HTTPTRANSPORT_PERDEVICE_DATA* deviceData = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	13:848d52f93daf	1933	/* Codes_SRS_TRANSPORTMULTITHTTP_17_113: [ 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. ] */
Azure.IoT Build	13:848d52f93daf	1934	if (!DList_IsListEmpty(deviceData->waitingToSend))
AzureIoTClient	6:73793bae15ba	1935	{
AzureIoTClient	6:73793bae15ba	1936	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient	6:73793bae15ba	1937	}
Azure.IoT Build	13:848d52f93daf	1938	/* Codes_SRS_TRANSPORTMULTITHTTP_17_112: [ 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	1939	else
AzureIoTClient	6:73793bae15ba	1940	{
AzureIoTClient	6:73793bae15ba	1941	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient	6:73793bae15ba	1942	}
AzureIoTClient	6:73793bae15ba	1943	result = IOTHUB_CLIENT_OK;
AzureIoTClient	6:73793bae15ba	1944	}
Azure.IoT Build	13:848d52f93daf	1945	}
AzureIoTClient	6:73793bae15ba	1946
AzureIoTClient	6:73793bae15ba	1947	return result;
AzureIoTClient	6:73793bae15ba	1948	}
AzureIoTClient	6:73793bae15ba	1949
Azure.IoT Build	14:fae5c6b2cce3	1950	IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient	6:73793bae15ba	1951	{
AzureIoTClient	6:73793bae15ba	1952	IOTHUB_CLIENT_RESULT result;
Azure.IoT Build	13:848d52f93daf	1953	/Codes_SRS_TRANSPORTMULTITHTTP_17_114: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	13:848d52f93daf	1954	/Codes_SRS_TRANSPORTMULTITHTTP_17_115: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	13:848d52f93daf	1955	/Codes_SRS_TRANSPORTMULTITHTTP_17_116: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
AzureIoTClient	6:73793bae15ba	1956	if (
AzureIoTClient	6:73793bae15ba	1957	(handle == NULL) \|\|
AzureIoTClient	6:73793bae15ba	1958	(option == NULL) \|\|
AzureIoTClient	6:73793bae15ba	1959	(value == NULL)
AzureIoTClient	6:73793bae15ba	1960	)
AzureIoTClient	6:73793bae15ba	1961	{
AzureIoTClient	6:73793bae15ba	1962	result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient	6:73793bae15ba	1963	LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption\r\n");
AzureIoTClient	6:73793bae15ba	1964	}
AzureIoTClient	6:73793bae15ba	1965	else
AzureIoTClient	6:73793bae15ba	1966	{
AzureIoTClient	6:73793bae15ba	1967	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	13:848d52f93daf	1968	/Codes_SRS_TRANSPORTMULTITHTTP_17_120: ["Batching"] /
AzureIoTClient	6:73793bae15ba	1969	if (strcmp("Batching", option) == 0)
AzureIoTClient	6:73793bae15ba	1970	{
Azure.IoT Build	13:848d52f93daf	1971	/Codes_SRS_TRANSPORTMULTITHTTP_17_117: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] /
AzureIoTClient	6:73793bae15ba	1972	handleData->doBatchedTransfers = (bool)value;
AzureIoTClient	6:73793bae15ba	1973	result = IOTHUB_CLIENT_OK;
AzureIoTClient	6:73793bae15ba	1974	}
Azure.IoT Build	13:848d52f93daf	1975	/Codes_SRS_TRANSPORTMULTITHTTP_17_121: ["MinimumPollingTime"] /
AzureIoTClient	6:73793bae15ba	1976	else if (strcmp("MinimumPollingTime", option) == 0)
AzureIoTClient	6:73793bae15ba	1977	{
AzureIoTClient	6:73793bae15ba	1978	handleData->getMinimumPollingTime = (unsigned int)value;
AzureIoTClient	6:73793bae15ba	1979	result = IOTHUB_CLIENT_OK;
AzureIoTClient	6:73793bae15ba	1980	}
AzureIoTClient	6:73793bae15ba	1981	else
AzureIoTClient	6:73793bae15ba	1982	{
Azure.IoT Build	13:848d52f93daf	1983	/Codes_SRS_TRANSPORTMULTITHTTP_17_126: [ "TrustedCerts"] /
Azure.IoT Build	13:848d52f93daf	1984	/Codes_SRS_TRANSPORTMULTITHTTP_17_127: [ NULL shall be allowed. ]/
Azure.IoT Build	13:848d52f93daf	1985	/Codes_SRS_TRANSPORTMULTITHTTP_17_129: [ This option shall passed down to the lower layer by calling HTTPAPIEX_SetOption. ]/
Azure.IoT Build	13:848d52f93daf	1986	/Codes_SRS_TRANSPORTMULTITHTTP_17_118: [Otherwise, IoTHubTransport_Http shall call HTTPAPIEX_SetOption with the same parameters and return the translated code.] /
AzureIoTClient	6:73793bae15ba	1987	HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
Azure.IoT Build	13:848d52f93daf	1988	/Codes_SRS_TRANSPORTMULTITHTTP_17_119: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] /
AzureIoTClient	6:73793bae15ba	1989	if (HTTPAPIEX_result == HTTPAPIEX_OK)
AzureIoTClient	6:73793bae15ba	1990	{
AzureIoTClient	6:73793bae15ba	1991	result = IOTHUB_CLIENT_OK;
AzureIoTClient	6:73793bae15ba	1992	}
AzureIoTClient	6:73793bae15ba	1993	else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
AzureIoTClient	6:73793bae15ba	1994	{
AzureIoTClient	6:73793bae15ba	1995	result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient	6:73793bae15ba	1996	LogError("HTTPAPIEX_SetOption failed\r\n");
AzureIoTClient	6:73793bae15ba	1997	}
AzureIoTClient	6:73793bae15ba	1998	else
AzureIoTClient	6:73793bae15ba	1999	{
AzureIoTClient	6:73793bae15ba	2000	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	6:73793bae15ba	2001	LogError("HTTPAPIEX_SetOption failed\r\n");
AzureIoTClient	6:73793bae15ba	2002	}
AzureIoTClient	6:73793bae15ba	2003	}
AzureIoTClient	6:73793bae15ba	2004	}
AzureIoTClient	6:73793bae15ba	2005	return result;
AzureIoTClient	6:73793bae15ba	2006	}

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Type:	Library
Created:	15 Sep 2015
Imports:	94
Forks:	0
Commits:	40
Dependents:	3
Dependencies:	0
Followers:	5

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Azure IoT

Dan Cristoloveanu

The code in this repository is MIT licensed.

iothubtransporthttp.c@14:fae5c6b2cce3, 2016-03-25 (annotated)

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