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@22:e0add922c564, 2016-08-12 (annotated)

Committer:: AzureIoTClient
Date:: Fri Aug 12 10:03:39 2016 -0700
Revision:: 22:e0add922c564
Parent:: 21:b601705c82a8
Child:: 23:44d825a1cd09

1.0.10

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
Azure.IoT Build	15:52602fffff8d	8	#include "azure_c_shared_utility/gballoc.h"
AzureIoTClient	6:73793bae15ba	9
AzureIoTClient	6:73793bae15ba	10	#include <time.h>
AzureIoTClient	22:e0add922c564	11	#include "iothub_client_options.h"
AzureIoTClient	11:495deb847d9c	12	#include "iothub_client_version.h"
AzureIoTClient	6:73793bae15ba	13	#include "iothub_client_private.h"
Azure.IoT Build	15:52602fffff8d	14	#include "iothub_transport_ll.h"
AzureIoTClient	6:73793bae15ba	15	#include "iothubtransporthttp.h"
AzureIoTClient	6:73793bae15ba	16
Azure.IoT Build	15:52602fffff8d	17	#include "azure_c_shared_utility/httpapiexsas.h"
Azure.IoT Build	15:52602fffff8d	18	#include "azure_c_shared_utility/urlencode.h"
Azure.IoT Build	19:d4f9e872bf3e	19	#include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build	15:52602fffff8d	20	#include "azure_c_shared_utility/httpapiex.h"
Azure.IoT Build	15:52602fffff8d	21	#include "azure_c_shared_utility/httpapiexsas.h"
Azure.IoT Build	15:52602fffff8d	22	#include "azure_c_shared_utility/strings.h"
Azure.IoT Build	15:52602fffff8d	23	#include "azure_c_shared_utility/base64.h"
Azure.IoT Build	15:52602fffff8d	24	#include "azure_c_shared_utility/doublylinkedlist.h"
Azure.IoT Build	15:52602fffff8d	25	#include "azure_c_shared_utility/vector.h"
Azure.IoT Build	15:52602fffff8d	26	#include "azure_c_shared_utility/httpheaders.h"
Azure.IoT Build	15:52602fffff8d	27	#include "azure_c_shared_utility/agenttime.h"
AzureIoTClient	6:73793bae15ba	28
AzureIoTClient	6:73793bae15ba	29	#define IOTHUB_APP_PREFIX "iothub-app-"
AzureIoTClient	7:48f0f78cd3ef	30	const char* IOTHUB_MESSAGE_ID = "iothub-messageid";
AzureIoTClient	7:48f0f78cd3ef	31	const char* IOTHUB_CORRELATION_ID = "iothub-correlationid";
AzureIoTClient	6:73793bae15ba	32
AzureIoTClient	6:73793bae15ba	33	#define CONTENT_TYPE "Content-Type"
AzureIoTClient	6:73793bae15ba	34	#define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient	6:73793bae15ba	35	#define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient	6:73793bae15ba	36
AzureIoTClient	6:73793bae15ba	37	/DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)/
AzureIoTClient	6:73793bae15ba	38	/the default is 25 minutes/
AzureIoTClient	6:73793bae15ba	39	#define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient	6:73793bae15ba	40
AzureIoTClient	6:73793bae15ba	41	#define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient	6:73793bae15ba	42	#define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient	6:73793bae15ba	43	#define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient	6:73793bae15ba	44
AzureIoTClient	6:73793bae15ba	45	/forward declaration/
AzureIoTClient	6:73793bae15ba	46	static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient	6:73793bae15ba	47
AzureIoTClient	6:73793bae15ba	48	typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient	6:73793bae15ba	49	{
Azure.IoT Build	19:d4f9e872bf3e	50	STRING_HANDLE hostName;
Azure.IoT Build	19:d4f9e872bf3e	51	HTTPAPIEX_HANDLE httpApiExHandle;
Azure.IoT Build	19:d4f9e872bf3e	52	bool doBatchedTransfers;
Azure.IoT Build	19:d4f9e872bf3e	53	unsigned int getMinimumPollingTime;
Azure.IoT Build	19:d4f9e872bf3e	54	VECTOR_HANDLE perDeviceList;
Azure.IoT Build	13:848d52f93daf	55	}HTTPTRANSPORT_HANDLE_DATA;
Azure.IoT Build	13:848d52f93daf	56
Azure.IoT Build	13:848d52f93daf	57	typedef struct HTTPTRANSPORT_PERDEVICE_DATA_TAG
Azure.IoT Build	13:848d52f93daf	58	{
Azure.IoT Build	19:d4f9e872bf3e	59	HTTPTRANSPORT_HANDLE_DATA* transportHandle;
Azure.IoT Build	13:848d52f93daf	60
Azure.IoT Build	19:d4f9e872bf3e	61	STRING_HANDLE deviceId;
Azure.IoT Build	19:d4f9e872bf3e	62	STRING_HANDLE deviceKey;
Azure.IoT Build	19:d4f9e872bf3e	63	STRING_HANDLE deviceSasToken;
Azure.IoT Build	19:d4f9e872bf3e	64	STRING_HANDLE eventHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	65	STRING_HANDLE messageHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	66	HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	67	HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	68	STRING_HANDLE abandonHTTPrelativePathBegin;
Azure.IoT Build	19:d4f9e872bf3e	69	HTTPAPIEX_SAS_HANDLE sasObject;
Azure.IoT Build	19:d4f9e872bf3e	70	bool DoWork_PullMessage;
Azure.IoT Build	19:d4f9e872bf3e	71	time_t lastPollTime;
Azure.IoT Build	19:d4f9e872bf3e	72	bool isFirstPoll;
Azure.IoT Build	13:848d52f93daf	73
Azure.IoT Build	19:d4f9e872bf3e	74	IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	75	PDLIST_ENTRY waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	76	DLIST_ENTRY eventConfirmations; /holds items for event confirmations/
Azure.IoT Build	13:848d52f93daf	77	} HTTPTRANSPORT_PERDEVICE_DATA;
AzureIoTClient	6:73793bae15ba	78
Azure.IoT Build	13:848d52f93daf	79	static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	80	{
Azure.IoT Build	19:d4f9e872bf3e	81	STRING_delete(handleData->eventHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	82	handleData->eventHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	83	}
AzureIoTClient	6:73793bae15ba	84
Azure.IoT Build	13:848d52f93daf	85	static bool create_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	86	{
Azure.IoT Build	19:d4f9e872bf3e	87	/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. ]/
Azure.IoT Build	19:d4f9e872bf3e	88	bool result;
Azure.IoT Build	19:d4f9e872bf3e	89	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	90	handleData->eventHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	91	if (handleData->eventHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	92	{
Azure.IoT Build	19:d4f9e872bf3e	93	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	94	result = false;
Azure.IoT Build	19:d4f9e872bf3e	95	}
Azure.IoT Build	19:d4f9e872bf3e	96	else
Azure.IoT Build	19:d4f9e872bf3e	97	{
Azure.IoT Build	19:d4f9e872bf3e	98	if (!(
Azure.IoT Build	19:d4f9e872bf3e	99	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	100	(STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	101	(STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	102	))
Azure.IoT Build	19:d4f9e872bf3e	103	{
Azure.IoT Build	19:d4f9e872bf3e	104	/Codes_SRS_TRANSPORTMULTITHTTP_17_018: [ If creating the string fail for any reason then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	105	destroy_eventHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	106	LogError("Creating HTTP event relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	107	result = false;
Azure.IoT Build	19:d4f9e872bf3e	108	}
Azure.IoT Build	19:d4f9e872bf3e	109	else
Azure.IoT Build	19:d4f9e872bf3e	110	{
Azure.IoT Build	19:d4f9e872bf3e	111	result = true;
Azure.IoT Build	19:d4f9e872bf3e	112	}
Azure.IoT Build	19:d4f9e872bf3e	113	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	114	}
Azure.IoT Build	19:d4f9e872bf3e	115	return result;
AzureIoTClient	6:73793bae15ba	116	}
AzureIoTClient	6:73793bae15ba	117
Azure.IoT Build	13:848d52f93daf	118	static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	119	{
Azure.IoT Build	19:d4f9e872bf3e	120	STRING_delete(handleData->messageHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	121	handleData->messageHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	122	}
AzureIoTClient	6:73793bae15ba	123
Azure.IoT Build	13:848d52f93daf	124	static bool create_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	125	{
Azure.IoT Build	19:d4f9e872bf3e	126	bool result;
Azure.IoT Build	19:d4f9e872bf3e	127	handleData->messageHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	128	if (handleData->messageHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	129	{
Azure.IoT Build	19:d4f9e872bf3e	130	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	131	result = false;
Azure.IoT Build	19:d4f9e872bf3e	132	}
Azure.IoT Build	19:d4f9e872bf3e	133	else
Azure.IoT Build	19:d4f9e872bf3e	134	{
Azure.IoT Build	19:d4f9e872bf3e	135	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	136	/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. ]/
Azure.IoT Build	19:d4f9e872bf3e	137	if (!(
Azure.IoT Build	19:d4f9e872bf3e	138	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	139	(STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	140	(STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	141	))
Azure.IoT Build	19:d4f9e872bf3e	142	{
Azure.IoT Build	19:d4f9e872bf3e	143	/Codes_SRS_TRANSPORTMULTITHTTP_17_020: [ If creating the message HTTP relative path fails, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	144	LogError("Creating HTTP message relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	145	result = false;
Azure.IoT Build	19:d4f9e872bf3e	146	destroy_messageHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	147	}
Azure.IoT Build	19:d4f9e872bf3e	148	else
Azure.IoT Build	19:d4f9e872bf3e	149	{
Azure.IoT Build	19:d4f9e872bf3e	150	result = true;
Azure.IoT Build	19:d4f9e872bf3e	151	}
Azure.IoT Build	19:d4f9e872bf3e	152	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	153	}
AzureIoTClient	17:7ef88cde801f	154
Azure.IoT Build	19:d4f9e872bf3e	155	return result;
AzureIoTClient	6:73793bae15ba	156	}
AzureIoTClient	6:73793bae15ba	157
Azure.IoT Build	13:848d52f93daf	158	static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	159	{
Azure.IoT Build	19:d4f9e872bf3e	160	HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	161	handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient	6:73793bae15ba	162	}
AzureIoTClient	6:73793bae15ba	163
AzureIoTClient	20:b652f2e4cccf	164	static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	165	{
Azure.IoT Build	19:d4f9e872bf3e	166	/*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":""
Azure.IoT Build	19:d4f9e872bf3e	167	"Accept":"application/json"
Azure.IoT Build	19:d4f9e872bf3e	168	"Connection":"Keep-Alive" ]*/
Azure.IoT Build	19:d4f9e872bf3e	169	bool result;
Azure.IoT Build	19:d4f9e872bf3e	170	handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	171	if (handleData->eventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	172	{
Azure.IoT Build	19:d4f9e872bf3e	173	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	174	result = false;
Azure.IoT Build	19:d4f9e872bf3e	175	}
Azure.IoT Build	19:d4f9e872bf3e	176	else
Azure.IoT Build	19:d4f9e872bf3e	177	{
Azure.IoT Build	19:d4f9e872bf3e	178	STRING_HANDLE temp = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	179	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	180	{
Azure.IoT Build	19:d4f9e872bf3e	181	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	182	result = false;
Azure.IoT Build	19:d4f9e872bf3e	183	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	184	}
Azure.IoT Build	19:d4f9e872bf3e	185	else
Azure.IoT Build	19:d4f9e872bf3e	186	{
Azure.IoT Build	19:d4f9e872bf3e	187	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	188	if (!(
Azure.IoT Build	19:d4f9e872bf3e	189	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	190	(STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	191	(STRING_concat(temp, EVENT_ENDPOINT) == 0)
Azure.IoT Build	19:d4f9e872bf3e	192	))
Azure.IoT Build	19:d4f9e872bf3e	193	{
Azure.IoT Build	19:d4f9e872bf3e	194	LogError("deviceId construction failed.");
Azure.IoT Build	19:d4f9e872bf3e	195	result = false;
Azure.IoT Build	19:d4f9e872bf3e	196	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	197	}
Azure.IoT Build	19:d4f9e872bf3e	198	else
Azure.IoT Build	19:d4f9e872bf3e	199	{
Azure.IoT Build	19:d4f9e872bf3e	200	if (!(
Azure.IoT Build	19:d4f9e872bf3e	201	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	202	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK)) &&
Azure.IoT Build	19:d4f9e872bf3e	203	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	204	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	205	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	206	))
Azure.IoT Build	19:d4f9e872bf3e	207	{
Azure.IoT Build	19:d4f9e872bf3e	208	/Codes_SRS_TRANSPORTMULTITHTTP_17_022: [ If creating the event HTTP request headers fails, then IoTHubTransportHttp_Register shall fail and return NULL.] /
Azure.IoT Build	19:d4f9e872bf3e	209	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	210	result = false;
Azure.IoT Build	19:d4f9e872bf3e	211	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	212	}
Azure.IoT Build	19:d4f9e872bf3e	213	else
Azure.IoT Build	19:d4f9e872bf3e	214	{
Azure.IoT Build	19:d4f9e872bf3e	215	result = true;
Azure.IoT Build	19:d4f9e872bf3e	216	}
Azure.IoT Build	19:d4f9e872bf3e	217	}
Azure.IoT Build	19:d4f9e872bf3e	218	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	219	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	220	}
Azure.IoT Build	19:d4f9e872bf3e	221	}
Azure.IoT Build	19:d4f9e872bf3e	222	return result;
Azure.IoT Build	13:848d52f93daf	223	}
Azure.IoT Build	13:848d52f93daf	224
Azure.IoT Build	13:848d52f93daf	225	static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	226	{
Azure.IoT Build	19:d4f9e872bf3e	227	HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	228	handleData->messageHTTPrequestHeaders = NULL;
Azure.IoT Build	13:848d52f93daf	229	}
Azure.IoT Build	13:848d52f93daf	230
AzureIoTClient	20:b652f2e4cccf	231	static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	232	{
Azure.IoT Build	19:d4f9e872bf3e	233	/*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	19:d4f9e872bf3e	234	"Authorization": "" ]*/
Azure.IoT Build	19:d4f9e872bf3e	235	bool result;
Azure.IoT Build	19:d4f9e872bf3e	236	handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	237	if (handleData->messageHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	238	{
Azure.IoT Build	19:d4f9e872bf3e	239	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	240	result = false;
Azure.IoT Build	19:d4f9e872bf3e	241	}
Azure.IoT Build	19:d4f9e872bf3e	242	else
Azure.IoT Build	19:d4f9e872bf3e	243	{
Azure.IoT Build	19:d4f9e872bf3e	244	if (!(
Azure.IoT Build	19:d4f9e872bf3e	245	(HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	246	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK))
Azure.IoT Build	19:d4f9e872bf3e	247	))
Azure.IoT Build	19:d4f9e872bf3e	248	{
Azure.IoT Build	19:d4f9e872bf3e	249	/Codes_SRS_TRANSPORTMULTITHTTP_17_023: [ If creating message HTTP request headers then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	250	destroy_messageHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	251	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	252	result = false;
Azure.IoT Build	19:d4f9e872bf3e	253	}
Azure.IoT Build	19:d4f9e872bf3e	254	else
Azure.IoT Build	19:d4f9e872bf3e	255	{
Azure.IoT Build	19:d4f9e872bf3e	256	result = true;
Azure.IoT Build	19:d4f9e872bf3e	257	}
Azure.IoT Build	19:d4f9e872bf3e	258	}
Azure.IoT Build	19:d4f9e872bf3e	259	return result;
AzureIoTClient	6:73793bae15ba	260	}
AzureIoTClient	6:73793bae15ba	261
Azure.IoT Build	13:848d52f93daf	262	static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	263	{
Azure.IoT Build	19:d4f9e872bf3e	264	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	265	handleData->abandonHTTPrelativePathBegin = NULL;
Azure.IoT Build	13:848d52f93daf	266	}
Azure.IoT Build	13:848d52f93daf	267
Azure.IoT Build	13:848d52f93daf	268	static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	269	{
Azure.IoT Build	19:d4f9e872bf3e	270	/Codes_SRS_TRANSPORTMULTITHTTP_17_024: [ IoTHubTransportHttp_Register shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin. ]/
Azure.IoT Build	19:d4f9e872bf3e	271	bool result;
Azure.IoT Build	19:d4f9e872bf3e	272	handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	273	if (handleData->abandonHTTPrelativePathBegin == NULL)
Azure.IoT Build	19:d4f9e872bf3e	274	{
Azure.IoT Build	19:d4f9e872bf3e	275	result = false;
Azure.IoT Build	19:d4f9e872bf3e	276	}
Azure.IoT Build	19:d4f9e872bf3e	277	else
Azure.IoT Build	19:d4f9e872bf3e	278	{
Azure.IoT Build	19:d4f9e872bf3e	279	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	280	if (!(
Azure.IoT Build	19:d4f9e872bf3e	281	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	282	(STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	283	(STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
Azure.IoT Build	19:d4f9e872bf3e	284	))
Azure.IoT Build	19:d4f9e872bf3e	285	{
Azure.IoT Build	19:d4f9e872bf3e	286	/Codes_SRS_TRANSPORTMULTITHTTP_17_025: [ If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	287	LogError("unable to create abandon path string.");
Azure.IoT Build	19:d4f9e872bf3e	288	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	289	result = false;
Azure.IoT Build	19:d4f9e872bf3e	290	}
Azure.IoT Build	19:d4f9e872bf3e	291	else
Azure.IoT Build	19:d4f9e872bf3e	292	{
Azure.IoT Build	19:d4f9e872bf3e	293	result = true;
Azure.IoT Build	19:d4f9e872bf3e	294	}
Azure.IoT Build	19:d4f9e872bf3e	295	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	296	}
Azure.IoT Build	19:d4f9e872bf3e	297	return result;
Azure.IoT Build	13:848d52f93daf	298	}
Azure.IoT Build	13:848d52f93daf	299
Azure.IoT Build	13:848d52f93daf	300	static void destroy_SASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	301	{
Azure.IoT Build	19:d4f9e872bf3e	302	HTTPAPIEX_SAS_Destroy(handleData->sasObject);
Azure.IoT Build	19:d4f9e872bf3e	303	handleData->sasObject = NULL;
Azure.IoT Build	13:848d52f93daf	304	}
Azure.IoT Build	13:848d52f93daf	305
Azure.IoT Build	13:848d52f93daf	306	static bool create_deviceSASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData, STRING_HANDLE hostName, const char * deviceId, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	307	{
Azure.IoT Build	19:d4f9e872bf3e	308	STRING_HANDLE keyName;
Azure.IoT Build	19:d4f9e872bf3e	309	bool result;
Azure.IoT Build	19:d4f9e872bf3e	310	/Codes_SRS_TRANSPORTMULTITHTTP_17_026: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]/
Azure.IoT Build	19:d4f9e872bf3e	311	keyName = URL_EncodeString(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	312	if (keyName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	313	{
Azure.IoT Build	19:d4f9e872bf3e	314	/Codes_SRS_TRANSPORTMULTITHTTP_17_027: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	315	LogError("URL_EncodeString keyname failed");
Azure.IoT Build	19:d4f9e872bf3e	316	result = false;
Azure.IoT Build	19:d4f9e872bf3e	317	}
Azure.IoT Build	19:d4f9e872bf3e	318	else
Azure.IoT Build	19:d4f9e872bf3e	319	{
Azure.IoT Build	19:d4f9e872bf3e	320	STRING_HANDLE uriResource;
Azure.IoT Build	19:d4f9e872bf3e	321	/Codes_SRS_TRANSPORTMULTITHTTP_17_028: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]/
Azure.IoT Build	19:d4f9e872bf3e	322	uriResource = STRING_clone(hostName);
Azure.IoT Build	19:d4f9e872bf3e	323	/Codes_SRS_TRANSPORTMULTITHTTP_17_029: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	324	if (uriResource != NULL)
Azure.IoT Build	19:d4f9e872bf3e	325	{
Azure.IoT Build	19:d4f9e872bf3e	326	/Codes_SRS_TRANSPORTMULTITHTTP_17_030: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]/
Azure.IoT Build	19:d4f9e872bf3e	327	/Codes_SRS_TRANSPORTMULTITHTTP_17_141: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	328	/Codes_SRS_TRANSPORTMULTITHTTP_17_031: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]/
Azure.IoT Build	19:d4f9e872bf3e	329	/Codes_SRS_TRANSPORTMULTITHTTP_17_032: [If the STRING_concat_with_STRING fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	330	if ((STRING_concat(uriResource, "/devices/") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	331	(STRING_concat_with_STRING(uriResource, keyName) == 0))
Azure.IoT Build	19:d4f9e872bf3e	332	{
Azure.IoT Build	19:d4f9e872bf3e	333	/Codes_SRS_TRANSPORTMULTITHTTP_17_033: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]/
Azure.IoT Build	19:d4f9e872bf3e	334	/Codes_SRS_TRANSPORTMULTITHTTP_17_034: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	335	STRING_HANDLE key = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	336	if (key != NULL)
Azure.IoT Build	19:d4f9e872bf3e	337	{
Azure.IoT Build	19:d4f9e872bf3e	338	/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	19:d4f9e872bf3e	339	if (STRING_empty(keyName) != 0)
Azure.IoT Build	19:d4f9e872bf3e	340	{
Azure.IoT Build	19:d4f9e872bf3e	341	LogError("Unable to form the device key name for the SAS");
Azure.IoT Build	19:d4f9e872bf3e	342	result = false;
Azure.IoT Build	19:d4f9e872bf3e	343	}
Azure.IoT Build	19:d4f9e872bf3e	344	else
Azure.IoT Build	19:d4f9e872bf3e	345	{
Azure.IoT Build	19:d4f9e872bf3e	346	/Codes_SRS_TRANSPORTMULTITHTTP_17_036: [IoTHubTransportHttp_Create shall invoke HTTPAPIEX_SAS_Create with arguments key, uriResource, and zero length keyName.]/
Azure.IoT Build	19:d4f9e872bf3e	347	/Codes_SRS_TRANSPORTMULTITHTTP_17_037: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	348	handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
Azure.IoT Build	19:d4f9e872bf3e	349	result = (handleData->sasObject != NULL) ? (true) : (false);
Azure.IoT Build	19:d4f9e872bf3e	350	}
Azure.IoT Build	19:d4f9e872bf3e	351	STRING_delete(key);
Azure.IoT Build	19:d4f9e872bf3e	352	}
Azure.IoT Build	19:d4f9e872bf3e	353	else
Azure.IoT Build	19:d4f9e872bf3e	354	{
Azure.IoT Build	19:d4f9e872bf3e	355	LogError("STRING_construct Key failed");
Azure.IoT Build	19:d4f9e872bf3e	356	result = false;
Azure.IoT Build	19:d4f9e872bf3e	357	}
Azure.IoT Build	19:d4f9e872bf3e	358	}
Azure.IoT Build	19:d4f9e872bf3e	359	else
Azure.IoT Build	19:d4f9e872bf3e	360	{
Azure.IoT Build	19:d4f9e872bf3e	361	LogError("STRING_concat uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	362	result = false;
Azure.IoT Build	19:d4f9e872bf3e	363	}
Azure.IoT Build	19:d4f9e872bf3e	364	STRING_delete(uriResource);
Azure.IoT Build	19:d4f9e872bf3e	365	}
Azure.IoT Build	19:d4f9e872bf3e	366	else
Azure.IoT Build	19:d4f9e872bf3e	367	{
Azure.IoT Build	19:d4f9e872bf3e	368	LogError("STRING_staticclone uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	369	result = false;
Azure.IoT Build	19:d4f9e872bf3e	370	}
Azure.IoT Build	19:d4f9e872bf3e	371	STRING_delete(keyName);
Azure.IoT Build	19:d4f9e872bf3e	372	}
Azure.IoT Build	19:d4f9e872bf3e	373	return result;
Azure.IoT Build	13:848d52f93daf	374	}
Azure.IoT Build	13:848d52f93daf	375
Azure.IoT Build	13:848d52f93daf	376	static void destroy_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	377	{
Azure.IoT Build	19:d4f9e872bf3e	378	STRING_delete(handleData->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	379	handleData->deviceId = NULL;
Azure.IoT Build	13:848d52f93daf	380	}
Azure.IoT Build	13:848d52f93daf	381
Azure.IoT Build	13:848d52f93daf	382	static bool create_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	383	{
Azure.IoT Build	19:d4f9e872bf3e	384	/Codes_SRS_TRANSPORTMULTITHTTP_17_133: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceId") from config->deviceConfig->deviceId. ]/
Azure.IoT Build	19:d4f9e872bf3e	385	bool result;
Azure.IoT Build	19:d4f9e872bf3e	386	handleData->deviceId = STRING_construct(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	387	if (handleData->deviceId == NULL)
Azure.IoT Build	19:d4f9e872bf3e	388	{
Azure.IoT Build	19:d4f9e872bf3e	389	/Codes_SRS_TRANSPORTMULTITHTTP_17_134: [ If deviceId is not created, then IoTHubTransportHttp_Register shall fail and return NULL. /
Azure.IoT Build	19:d4f9e872bf3e	390	LogError("STRING_construct deviceId failed");
Azure.IoT Build	19:d4f9e872bf3e	391	result = false;
Azure.IoT Build	19:d4f9e872bf3e	392	}
Azure.IoT Build	19:d4f9e872bf3e	393	else
Azure.IoT Build	19:d4f9e872bf3e	394	{
Azure.IoT Build	19:d4f9e872bf3e	395	result = true;
Azure.IoT Build	19:d4f9e872bf3e	396	}
Azure.IoT Build	19:d4f9e872bf3e	397	return result;
Azure.IoT Build	13:848d52f93daf	398	}
Azure.IoT Build	13:848d52f93daf	399
Azure.IoT Build	13:848d52f93daf	400	static void destroy_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	401	{
Azure.IoT Build	19:d4f9e872bf3e	402	STRING_delete(handleData->deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	403	handleData->deviceKey = NULL;
Azure.IoT Build	13:848d52f93daf	404	}
Azure.IoT Build	13:848d52f93daf	405
AzureIoTClient	17:7ef88cde801f	406	static void destroy_deviceSas(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	407	{
AzureIoTClient	17:7ef88cde801f	408	STRING_delete(handleData->deviceSasToken);
AzureIoTClient	17:7ef88cde801f	409	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	410	}
AzureIoTClient	17:7ef88cde801f	411
Azure.IoT Build	13:848d52f93daf	412	static bool create_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	413	{
Azure.IoT Build	19:d4f9e872bf3e	414	/Codes_SRS_TRANSPORTMULTITHTTP_17_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceKey") from deviceKey. ]/
Azure.IoT Build	19:d4f9e872bf3e	415	bool result;
Azure.IoT Build	19:d4f9e872bf3e	416	handleData->deviceKey = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	417	if (handleData->deviceKey == NULL)
Azure.IoT Build	19:d4f9e872bf3e	418	{
Azure.IoT Build	19:d4f9e872bf3e	419	/Codes_SRS_TRANSPORTMULTITHTTP_17_136: [ If deviceKey is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	420	LogError("STRING_construct deviceKey failed");
Azure.IoT Build	19:d4f9e872bf3e	421	result = false;
Azure.IoT Build	19:d4f9e872bf3e	422	}
Azure.IoT Build	19:d4f9e872bf3e	423	else
Azure.IoT Build	19:d4f9e872bf3e	424	{
Azure.IoT Build	19:d4f9e872bf3e	425	result = true;
Azure.IoT Build	19:d4f9e872bf3e	426	}
Azure.IoT Build	19:d4f9e872bf3e	427	return result;
Azure.IoT Build	13:848d52f93daf	428	}
Azure.IoT Build	13:848d52f93daf	429
AzureIoTClient	17:7ef88cde801f	430	static void destroy_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	431	{
Azure.IoT Build	19:d4f9e872bf3e	432	STRING_delete(handleData->deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	433	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	434	}
AzureIoTClient	17:7ef88cde801f	435
AzureIoTClient	17:7ef88cde801f	436	static bool create_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceSasToken)
AzureIoTClient	17:7ef88cde801f	437	{
Azure.IoT Build	19:d4f9e872bf3e	438	/Codes_SRS_TRANSPORTMULTITHTTP_03_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceSasToken") from deviceSasToken. ]/
Azure.IoT Build	19:d4f9e872bf3e	439	bool result;
Azure.IoT Build	19:d4f9e872bf3e	440	handleData->deviceSasToken = STRING_construct(deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	441	if (handleData->deviceSasToken == NULL)
Azure.IoT Build	19:d4f9e872bf3e	442	{
Azure.IoT Build	19:d4f9e872bf3e	443	/Codes_SRS_TRANSPORTMULTITHTTP_03_136: [ If deviceSasToken is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	444	LogError("STRING_construct deviceSasToken failed");
Azure.IoT Build	19:d4f9e872bf3e	445	result = false;
Azure.IoT Build	19:d4f9e872bf3e	446	}
Azure.IoT Build	19:d4f9e872bf3e	447	else
Azure.IoT Build	19:d4f9e872bf3e	448	{
Azure.IoT Build	19:d4f9e872bf3e	449	result = true;
Azure.IoT Build	19:d4f9e872bf3e	450	}
Azure.IoT Build	19:d4f9e872bf3e	451	return result;
AzureIoTClient	17:7ef88cde801f	452	}
AzureIoTClient	17:7ef88cde801f	453
Azure.IoT Build	13:848d52f93daf	454	/*
Azure.IoT Build	13:848d52f93daf	455	* List queries Find by handle and find by device name
Azure.IoT Build	13:848d52f93daf	456	*/
Azure.IoT Build	13:848d52f93daf	457
Azure.IoT Build	13:848d52f93daf	458	/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. ]/
AzureIoTClient	18:ab990f6aa61f	459	static bool findDeviceHandle(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	460	{
Azure.IoT Build	19:d4f9e872bf3e	461	bool result;
Azure.IoT Build	19:d4f9e872bf3e	462	/* data stored at element is device handle */
Azure.IoT Build	19:d4f9e872bf3e	463	const IOTHUB_DEVICE_HANDLE * guess = (const IOTHUB_DEVICE_HANDLE *)element;
Azure.IoT Build	19:d4f9e872bf3e	464	const IOTHUB_DEVICE_HANDLE match = (const IOTHUB_DEVICE_HANDLE)value;
Azure.IoT Build	19:d4f9e872bf3e	465	result = (*guess == match) ? true : false;
Azure.IoT Build	19:d4f9e872bf3e	466	return result;
Azure.IoT Build	13:848d52f93daf	467	}
Azure.IoT Build	13:848d52f93daf	468
Azure.IoT Build	13:848d52f93daf	469	static bool findDeviceById(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	470	{
Azure.IoT Build	19:d4f9e872bf3e	471	bool result;
Azure.IoT Build	19:d4f9e872bf3e	472	const char* deviceId = (const char *)value;
Azure.IoT Build	19:d4f9e872bf3e	473	const HTTPTRANSPORT_PERDEVICE_DATA * perDeviceElement = (const HTTPTRANSPORT_PERDEVICE_DATA *)element;
Azure.IoT Build	13:848d52f93daf	474
Azure.IoT Build	19:d4f9e872bf3e	475	result = (strcmp(STRING_c_str(perDeviceElement->deviceId), deviceId) == 0);
Azure.IoT Build	13:848d52f93daf	476
Azure.IoT Build	19:d4f9e872bf3e	477	return result;
Azure.IoT Build	13:848d52f93daf	478	}
Azure.IoT Build	13:848d52f93daf	479
AzureIoTClient	18:ab990f6aa61f	480	static IOTHUB_DEVICE_HANDLE IoTHubTransportHttp_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
Azure.IoT Build	13:848d52f93daf	481	{
Azure.IoT Build	19:d4f9e872bf3e	482	HTTPTRANSPORT_PERDEVICE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	483	if (handle == NULL \|\| device == NULL)
Azure.IoT Build	19:d4f9e872bf3e	484	{
Azure.IoT Build	19:d4f9e872bf3e	485	/Codes_SRS_TRANSPORTMULTITHTTP_17_142: [ If handle is NULL or device is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	486	LogError("Transport handle is NULL");
Azure.IoT Build	19:d4f9e872bf3e	487	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	488	}
AzureIoTClient	20:b652f2e4cccf	489	else if (device->deviceId == NULL \|\| ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) \|\| waitingToSend == NULL \|\| iotHubClientHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	490	{
AzureIoTClient	20:b652f2e4cccf	491	/Codes_SRS_TRANSPORTMULTITHTTP_17_015: [ If IOTHUB_DEVICE_CONFIG fields deviceKey and deviceSasToken are NULL, then IoTHubTransportHttp_Register shall assume a x509 authentication. ]/
Azure.IoT Build	19:d4f9e872bf3e	492	/Codes_SRS_TRANSPORTMULTITHTTP_17_014: [ If IOTHUB_DEVICE_CONFIG field deviceId is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	493	/Codes_SRS_TRANSPORTMULTITHTTP_17_016: [ If parameter waitingToSend is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	494	/Codes_SRS_TRANSPORTMULTITHTTP_17_143: [ If parameter iotHubClientHandle is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
AzureIoTClient	20:b652f2e4cccf	495	LogError("invalid parameters detected TRANSPORT_LL_HANDLE handle=%p, const IOTHUB_DEVICE_CONFIG* device=%p, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle=%p, PDLIST_ENTRY waitingToSend=%p",
AzureIoTClient	20:b652f2e4cccf	496	handle, device, iotHubClientHandle, waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	497	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	498	}
Azure.IoT Build	19:d4f9e872bf3e	499	else
Azure.IoT Build	19:d4f9e872bf3e	500	{
Azure.IoT Build	19:d4f9e872bf3e	501	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	502	/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	19:d4f9e872bf3e	503	void* listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceById, device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	504	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	505	{
Azure.IoT Build	19:d4f9e872bf3e	506	/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	19:d4f9e872bf3e	507	LogError("Transport already has device registered by id: [%s]", device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	508	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	509	}
Azure.IoT Build	19:d4f9e872bf3e	510	else
Azure.IoT Build	19:d4f9e872bf3e	511	{
Azure.IoT Build	19:d4f9e872bf3e	512	bool was_create_deviceKey_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	513	bool was_create_deviceSasToken_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	514	bool was_sasObject_ok = false;
AzureIoTClient	20:b652f2e4cccf	515	bool was_x509_ok = false; /there's nothing "created" in the case of x509, it is a flag indicating that x509 is used/
AzureIoTClient	17:7ef88cde801f	516
Azure.IoT Build	19:d4f9e872bf3e	517	/Codes_SRS_TRANSPORTMULTITHTTP_17_038: [ Otherwise, IoTHubTransportHttp_Register shall allocate the IOTHUB_DEVICE_HANDLE structure. ]/
AzureIoTClient	22:e0add922c564	518	bool was_resultCreated_ok = ((result = (HTTPTRANSPORT_PERDEVICE_DATA *) malloc(sizeof(HTTPTRANSPORT_PERDEVICE_DATA))) != NULL);
Azure.IoT Build	19:d4f9e872bf3e	519	bool was_create_deviceId_ok = was_resultCreated_ok && create_deviceId(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	520
AzureIoTClient	20:b652f2e4cccf	521	if (was_create_deviceId_ok)
Azure.IoT Build	19:d4f9e872bf3e	522	{
AzureIoTClient	20:b652f2e4cccf	523	if (device->deviceSasToken != NULL)
AzureIoTClient	20:b652f2e4cccf	524	{
AzureIoTClient	20:b652f2e4cccf	525	/device->deviceKey is certainly NULL (because of the validation condition (else if (device->deviceId == NULL \|\| ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) \|\| waitingToSend == NULL \|\| iotHubClientHandle == NULL))that does not accept that both satoken AND devicekey are non-NULL/
AzureIoTClient	20:b652f2e4cccf	526	was_create_deviceSasToken_ok = create_deviceSasToken(result, device->deviceSasToken);
AzureIoTClient	20:b652f2e4cccf	527	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	528	result->sasObject = NULL;
AzureIoTClient	20:b652f2e4cccf	529	}
AzureIoTClient	20:b652f2e4cccf	530	else /when deviceSasToken == NULL/
AzureIoTClient	20:b652f2e4cccf	531	{
AzureIoTClient	20:b652f2e4cccf	532	if (device->deviceKey != NULL)
AzureIoTClient	20:b652f2e4cccf	533	{
AzureIoTClient	20:b652f2e4cccf	534	was_create_deviceKey_ok = create_deviceKey(result, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	535	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	536	}
AzureIoTClient	20:b652f2e4cccf	537	else
AzureIoTClient	20:b652f2e4cccf	538	{
AzureIoTClient	20:b652f2e4cccf	539	/when both of them are NULL/
AzureIoTClient	20:b652f2e4cccf	540	was_x509_ok = true;
AzureIoTClient	20:b652f2e4cccf	541	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	542	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	543	}
AzureIoTClient	20:b652f2e4cccf	544	}
Azure.IoT Build	19:d4f9e872bf3e	545	}
AzureIoTClient	17:7ef88cde801f	546
AzureIoTClient	20:b652f2e4cccf	547	bool was_eventHTTPrelativePath_ok = (was_create_deviceKey_ok \|\| was_create_deviceSasToken_ok \|\| was_x509_ok) && create_eventHTTPrelativePath(result, device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	548	bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, device->deviceId);
AzureIoTClient	20:b652f2e4cccf	549	bool was_eventHTTPrequestHeaders_ok = was_messageHTTPrelativePath_ok && create_eventHTTPrequestHeaders(result, device->deviceId, was_x509_ok);
AzureIoTClient	20:b652f2e4cccf	550	bool was_messageHTTPrequestHeaders_ok = was_eventHTTPrequestHeaders_ok && create_messageHTTPrequestHeaders(result, was_x509_ok);
Azure.IoT Build	19:d4f9e872bf3e	551	bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	552
AzureIoTClient	20:b652f2e4cccf	553	if (was_x509_ok)
Azure.IoT Build	19:d4f9e872bf3e	554	{
AzureIoTClient	20:b652f2e4cccf	555	result->sasObject = NULL; /**/
AzureIoTClient	20:b652f2e4cccf	556	was_sasObject_ok = true;
AzureIoTClient	20:b652f2e4cccf	557	}
AzureIoTClient	20:b652f2e4cccf	558	else
AzureIoTClient	20:b652f2e4cccf	559	{
AzureIoTClient	20:b652f2e4cccf	560	if (!was_create_deviceSasToken_ok)
AzureIoTClient	20:b652f2e4cccf	561	{
AzureIoTClient	20:b652f2e4cccf	562	was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, handleData->hostName, device->deviceId, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	563	}
Azure.IoT Build	19:d4f9e872bf3e	564	}
AzureIoTClient	17:7ef88cde801f	565
Azure.IoT Build	19:d4f9e872bf3e	566	/Codes_SRS_TRANSPORTMULTITHTTP_17_041: [ IoTHubTransportHttp_Register shall call VECTOR_push_back to store the new device information. ]/
AzureIoTClient	20:b652f2e4cccf	567	bool was_list_add_ok = (was_sasObject_ok \|\| was_create_deviceSasToken_ok \|\| was_x509_ok) && (VECTOR_push_back(handleData->perDeviceList, &result, 1) == 0);
Azure.IoT Build	13:848d52f93daf	568
Azure.IoT Build	19:d4f9e872bf3e	569	if (was_list_add_ok)
Azure.IoT Build	19:d4f9e872bf3e	570	{
Azure.IoT Build	19:d4f9e872bf3e	571	/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	19:d4f9e872bf3e	572	/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	19:d4f9e872bf3e	573	/Codes_SRS_TRANSPORTMULTITHTTP_17_128: [ IoTHubTransportHttp_Register shall mark this device as unsubscribed. ]/
Azure.IoT Build	19:d4f9e872bf3e	574	result->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	575	result->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	576	result->iotHubClientHandle = iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	577	result->waitingToSend = waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	578	DList_InitializeListHead(&(result->eventConfirmations));
AzureIoTClient	22:e0add922c564	579	result->transportHandle = (HTTPTRANSPORT_HANDLE_DATA *) handle;
Azure.IoT Build	19:d4f9e872bf3e	580	}
Azure.IoT Build	19:d4f9e872bf3e	581	else
Azure.IoT Build	19:d4f9e872bf3e	582	{
Azure.IoT Build	19:d4f9e872bf3e	583	/Codes_SRS_TRANSPORTMULTITHTTP_17_042: [ If the list_add fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	584	if (was_sasObject_ok) destroy_SASObject(result);
Azure.IoT Build	19:d4f9e872bf3e	585	if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
Azure.IoT Build	19:d4f9e872bf3e	586	if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	587	if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	588	if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	589	if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	590	if (was_create_deviceId_ok) destroy_deviceId(result);
Azure.IoT Build	19:d4f9e872bf3e	591	if (was_create_deviceKey_ok) destroy_deviceKey(result);
Azure.IoT Build	19:d4f9e872bf3e	592	if (was_create_deviceSasToken_ok) destroy_deviceSasToken(result);
Azure.IoT Build	19:d4f9e872bf3e	593	/Codes_SRS_TRANSPORTMULTITHTTP_17_039: [ If the allocating the device handle fails then IoTHubTransportHttp_Register shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	594	if (was_resultCreated_ok) free(result);
Azure.IoT Build	19:d4f9e872bf3e	595	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	596	}
Azure.IoT Build	19:d4f9e872bf3e	597	}
AzureIoTClient	17:7ef88cde801f	598
Azure.IoT Build	19:d4f9e872bf3e	599	}
Azure.IoT Build	19:d4f9e872bf3e	600	return (IOTHUB_DEVICE_HANDLE)result;
Azure.IoT Build	13:848d52f93daf	601	}
Azure.IoT Build	13:848d52f93daf	602
Azure.IoT Build	13:848d52f93daf	603
Azure.IoT Build	13:848d52f93daf	604	static void destroy_perDeviceData(HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem)
Azure.IoT Build	13:848d52f93daf	605	{
Azure.IoT Build	19:d4f9e872bf3e	606	destroy_deviceId(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	607	destroy_deviceKey(perDeviceItem);
AzureIoTClient	17:7ef88cde801f	608	destroy_deviceSas(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	609	destroy_eventHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	610	destroy_messageHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	611	destroy_eventHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	612	destroy_messageHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	613	destroy_abandonHTTPrelativePathBegin(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	614	destroy_SASObject(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	615	}
Azure.IoT Build	13:848d52f93daf	616
Azure.IoT Build	13:848d52f93daf	617	static IOTHUB_DEVICE_HANDLE* get_perDeviceDataItem(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	618	{
Azure.IoT Build	19:d4f9e872bf3e	619	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	620	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	621
Azure.IoT Build	19:d4f9e872bf3e	622	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	13:848d52f93daf	623
AzureIoTClient	22:e0add922c564	624	listItem = (IOTHUB_DEVICE_HANDLE *) VECTOR_find_if(handleData->perDeviceList, findDeviceHandle, deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	625	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	626	{
Azure.IoT Build	19:d4f9e872bf3e	627	LogError("device handle not found in transport device list");
Azure.IoT Build	19:d4f9e872bf3e	628	listItem = NULL;
Azure.IoT Build	19:d4f9e872bf3e	629	}
Azure.IoT Build	19:d4f9e872bf3e	630	else
Azure.IoT Build	19:d4f9e872bf3e	631	{
Azure.IoT Build	19:d4f9e872bf3e	632	/* sucessfully found device in list. */
Azure.IoT Build	19:d4f9e872bf3e	633	}
Azure.IoT Build	13:848d52f93daf	634
Azure.IoT Build	19:d4f9e872bf3e	635	return listItem;
Azure.IoT Build	13:848d52f93daf	636	}
Azure.IoT Build	13:848d52f93daf	637
AzureIoTClient	18:ab990f6aa61f	638	static void IoTHubTransportHttp_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	639	{
Azure.IoT Build	19:d4f9e872bf3e	640	if (deviceHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	641	{
Azure.IoT Build	19:d4f9e872bf3e	642	/Codes_SRS_TRANSPORTMULTITHTTP_17_044: [ If deviceHandle is NULL, then IoTHubTransportHttp_Unregister shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	643	LogError("Unregister a NULL device handle");
Azure.IoT Build	19:d4f9e872bf3e	644	}
Azure.IoT Build	19:d4f9e872bf3e	645	else
Azure.IoT Build	19:d4f9e872bf3e	646	{
Azure.IoT Build	19:d4f9e872bf3e	647	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	648	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	19:d4f9e872bf3e	649	/Codes_SRS_TRANSPORTMULTITHTTP_17_045: [ IoTHubTransportHttp_Unregister shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	19:d4f9e872bf3e	650	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	651	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	652	{
Azure.IoT Build	19:d4f9e872bf3e	653	/Codes_SRS_TRANSPORTMULTITHTTP_17_046: [ If the device structure is not found, then this function shall fail and do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	654	LogError("Device Handle [%p] not found in transport", deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	655	}
Azure.IoT Build	19:d4f9e872bf3e	656	else
Azure.IoT Build	19:d4f9e872bf3e	657	{
Azure.IoT Build	19:d4f9e872bf3e	658	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	659
Azure.IoT Build	19:d4f9e872bf3e	660	/Codes_SRS_TRANSPORTMULTITHTTP_17_047: [ IoTHubTransportHttp_Unregister shall free all the resources used in the device structure. ]/
Azure.IoT Build	19:d4f9e872bf3e	661	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	662	/Codes_SRS_TRANSPORTMULTITHTTP_17_048: [ IoTHubTransportHttp_Unregister shall call list_remove to remove device from devices list. ]/
Azure.IoT Build	19:d4f9e872bf3e	663	VECTOR_erase(handleData->perDeviceList, listItem, 1);
Azure.IoT Build	19:d4f9e872bf3e	664	free(deviceHandleData);
Azure.IoT Build	19:d4f9e872bf3e	665	}
Azure.IoT Build	19:d4f9e872bf3e	666	}
Azure.IoT Build	13:848d52f93daf	667
Azure.IoT Build	19:d4f9e872bf3e	668	return;
Azure.IoT Build	13:848d52f93daf	669	}
Azure.IoT Build	13:848d52f93daf	670
Azure.IoT Build	13:848d52f93daf	671
Azure.IoT Build	13:848d52f93daf	672	/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	673	static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	674	{
Azure.IoT Build	19:d4f9e872bf3e	675	STRING_delete(handleData->hostName);
Azure.IoT Build	19:d4f9e872bf3e	676	handleData->hostName = NULL;
AzureIoTClient	6:73793bae15ba	677	}
AzureIoTClient	6:73793bae15ba	678
Azure.IoT Build	13:848d52f93daf	679	/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	680	static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	681	{
Azure.IoT Build	19:d4f9e872bf3e	682	bool result;
Azure.IoT Build	19:d4f9e872bf3e	683	handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
Azure.IoT Build	19:d4f9e872bf3e	684	if (handleData->hostName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	685	{
Azure.IoT Build	19:d4f9e872bf3e	686	result = false;
Azure.IoT Build	19:d4f9e872bf3e	687	}
Azure.IoT Build	19:d4f9e872bf3e	688	else
Azure.IoT Build	19:d4f9e872bf3e	689	{
Azure.IoT Build	19:d4f9e872bf3e	690	if ((STRING_concat(handleData->hostName, ".") != 0) \|\|
Azure.IoT Build	19:d4f9e872bf3e	691	(STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
Azure.IoT Build	19:d4f9e872bf3e	692	{
Azure.IoT Build	19:d4f9e872bf3e	693	/Codes_SRS_TRANSPORTMULTITHTTP_17_006: [ If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	694	destroy_hostName(handleData);
Azure.IoT Build	19:d4f9e872bf3e	695	result = false;
Azure.IoT Build	19:d4f9e872bf3e	696	}
Azure.IoT Build	19:d4f9e872bf3e	697	else
Azure.IoT Build	19:d4f9e872bf3e	698	{
Azure.IoT Build	19:d4f9e872bf3e	699	result = true;
Azure.IoT Build	19:d4f9e872bf3e	700	}
Azure.IoT Build	19:d4f9e872bf3e	701	}
Azure.IoT Build	19:d4f9e872bf3e	702	return result;
AzureIoTClient	6:73793bae15ba	703	}
AzureIoTClient	6:73793bae15ba	704
Azure.IoT Build	13:848d52f93daf	705	/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	706	static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	707	{
Azure.IoT Build	19:d4f9e872bf3e	708	HTTPAPIEX_Destroy(handleData->httpApiExHandle);
Azure.IoT Build	19:d4f9e872bf3e	709	handleData->httpApiExHandle = NULL;
AzureIoTClient	6:73793bae15ba	710	}
AzureIoTClient	6:73793bae15ba	711
Azure.IoT Build	13:848d52f93daf	712	/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	713	static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	714	{
Azure.IoT Build	19:d4f9e872bf3e	715	bool result;
Azure.IoT Build	19:d4f9e872bf3e	716	(void)config;
Azure.IoT Build	19:d4f9e872bf3e	717	handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
Azure.IoT Build	19:d4f9e872bf3e	718	if (handleData->httpApiExHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	719	{
Azure.IoT Build	19:d4f9e872bf3e	720	/Codes_SRS_TRANSPORTMULTITHTTP_17_008: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	721	result = false;
Azure.IoT Build	19:d4f9e872bf3e	722	}
Azure.IoT Build	19:d4f9e872bf3e	723	else
Azure.IoT Build	19:d4f9e872bf3e	724	{
Azure.IoT Build	19:d4f9e872bf3e	725	result = true;
Azure.IoT Build	19:d4f9e872bf3e	726	}
Azure.IoT Build	19:d4f9e872bf3e	727	return result;
AzureIoTClient	6:73793bae15ba	728	}
AzureIoTClient	6:73793bae15ba	729
Azure.IoT Build	13:848d52f93daf	730	static void destroy_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	731	{
Azure.IoT Build	19:d4f9e872bf3e	732	VECTOR_destroy(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	733	handleData->perDeviceList = NULL;
AzureIoTClient	6:73793bae15ba	734	}
AzureIoTClient	6:73793bae15ba	735
Azure.IoT Build	13:848d52f93daf	736	/Codes_SRS_TRANSPORTMULTITHTTP_17_009: [ IoTHubTransportHttp_Create shall call list_create to create a list of registered devices. ]/
Azure.IoT Build	13:848d52f93daf	737	static bool create_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	738	{
Azure.IoT Build	19:d4f9e872bf3e	739	bool result;
Azure.IoT Build	19:d4f9e872bf3e	740	handleData->perDeviceList = VECTOR_create(sizeof(IOTHUB_DEVICE_HANDLE));
Azure.IoT Build	19:d4f9e872bf3e	741	if (handleData == NULL \|\| handleData->perDeviceList == NULL)
Azure.IoT Build	19:d4f9e872bf3e	742	{
Azure.IoT Build	19:d4f9e872bf3e	743	/Codes_SRS_TRANSPORTMULTITHTTP_17_010: [ If creating the list fails, then IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	744	result = false;
Azure.IoT Build	19:d4f9e872bf3e	745	}
Azure.IoT Build	19:d4f9e872bf3e	746	else
Azure.IoT Build	19:d4f9e872bf3e	747	{
Azure.IoT Build	19:d4f9e872bf3e	748	result = true;
Azure.IoT Build	19:d4f9e872bf3e	749	}
Azure.IoT Build	19:d4f9e872bf3e	750	return result;
AzureIoTClient	6:73793bae15ba	751	}
AzureIoTClient	6:73793bae15ba	752
Azure.IoT Build	13:848d52f93daf	753
AzureIoTClient	18:ab990f6aa61f	754	static TRANSPORT_LL_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	755	{
Azure.IoT Build	19:d4f9e872bf3e	756	HTTPTRANSPORT_HANDLE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	757	if (config == NULL)
Azure.IoT Build	19:d4f9e872bf3e	758	{
Azure.IoT Build	19:d4f9e872bf3e	759	/Codes_SRS_TRANSPORTMULTITHTTP_17_001: [If parameter config is NULL, then IoTHubTransportHttp_Create shall return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	760	LogError("invalid arg (configuration is missing)");
Azure.IoT Build	19:d4f9e872bf3e	761	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	762	}
Azure.IoT Build	19:d4f9e872bf3e	763	else if (config->upperConfig == NULL)
Azure.IoT Build	19:d4f9e872bf3e	764	{
Azure.IoT Build	19:d4f9e872bf3e	765	/Codes_SRS_TRANSPORTMULTITHTTP_17_002: [ If field transportConfig is NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	766	LogError("invalid arg (upperConfig is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	767	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	768	}
Azure.IoT Build	19:d4f9e872bf3e	769	else if (config->upperConfig->protocol == NULL)
Azure.IoT Build	19:d4f9e872bf3e	770	{
Azure.IoT Build	19:d4f9e872bf3e	771	/Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	772	LogError("invalid arg (protocol is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	773	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	774	}
Azure.IoT Build	19:d4f9e872bf3e	775	else if (config->upperConfig->iotHubName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	776	{
Azure.IoT Build	19:d4f9e872bf3e	777	/Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	778	LogError("invalid arg (iotHubName is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	779	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	780	}
Azure.IoT Build	19:d4f9e872bf3e	781	else if (config->upperConfig->iotHubSuffix == NULL)
Azure.IoT Build	19:d4f9e872bf3e	782	{
Azure.IoT Build	19:d4f9e872bf3e	783	/Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	784	LogError("invalid arg (iotHubSuffix is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	785	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	786	}
Azure.IoT Build	19:d4f9e872bf3e	787	else
Azure.IoT Build	19:d4f9e872bf3e	788	{
Azure.IoT Build	19:d4f9e872bf3e	789	/Codes_SRS_TRANSPORTMULTITHTTP_17_130: [ IoTHubTransportHttp_Create shall allocate memory for the handle. ]/
Azure.IoT Build	19:d4f9e872bf3e	790	result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
Azure.IoT Build	19:d4f9e872bf3e	791	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	792	{
Azure.IoT Build	19:d4f9e872bf3e	793	/Codes_SRS_TRANSPORTMULTITHTTP_17_131: [ If allocation fails, IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	794	LogError("unable to malloc");
Azure.IoT Build	19:d4f9e872bf3e	795	}
Azure.IoT Build	19:d4f9e872bf3e	796	else
Azure.IoT Build	19:d4f9e872bf3e	797	{
Azure.IoT Build	19:d4f9e872bf3e	798	bool was_hostName_ok = create_hostName(result, config);
Azure.IoT Build	19:d4f9e872bf3e	799	bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
Azure.IoT Build	19:d4f9e872bf3e	800	bool was_perDeviceList_ok = was_httpApiExHandle_ok && create_perDeviceList(result);
Azure.IoT Build	13:848d52f93daf	801
AzureIoTClient	6:73793bae15ba	802
Azure.IoT Build	19:d4f9e872bf3e	803	if (was_perDeviceList_ok)
Azure.IoT Build	19:d4f9e872bf3e	804	{
Azure.IoT Build	19:d4f9e872bf3e	805	/Codes_SRS_TRANSPORTMULTITHTTP_17_011: [ Otherwise, IoTHubTransportHttp_Create shall succeed and return a non-NULL value. ]/
Azure.IoT Build	19:d4f9e872bf3e	806	result->doBatchedTransfers = false;
Azure.IoT Build	19:d4f9e872bf3e	807	result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
Azure.IoT Build	19:d4f9e872bf3e	808	}
Azure.IoT Build	19:d4f9e872bf3e	809	else
Azure.IoT Build	19:d4f9e872bf3e	810	{
Azure.IoT Build	19:d4f9e872bf3e	811	if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
Azure.IoT Build	19:d4f9e872bf3e	812	if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient	6:73793bae15ba	813
Azure.IoT Build	19:d4f9e872bf3e	814	free(result);
Azure.IoT Build	19:d4f9e872bf3e	815	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	816	}
Azure.IoT Build	19:d4f9e872bf3e	817	}
Azure.IoT Build	19:d4f9e872bf3e	818	}
Azure.IoT Build	19:d4f9e872bf3e	819	return result;
AzureIoTClient	6:73793bae15ba	820	}
AzureIoTClient	6:73793bae15ba	821
AzureIoTClient	18:ab990f6aa61f	822	static void IoTHubTransportHttp_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	6:73793bae15ba	823	{
Azure.IoT Build	19:d4f9e872bf3e	824	/Codes_SRS_TRANSPORTMULTITHTTP_17_012: [ IoTHubTransportHttp_Destroy shall do nothing is handle is NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	825	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	826	{
Azure.IoT Build	19:d4f9e872bf3e	827	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	828	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	829
Azure.IoT Build	19:d4f9e872bf3e	830	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	831
Azure.IoT Build	19:d4f9e872bf3e	832	/Codes_SRS_TRANSPORTMULTITHTTP_17_013: [ Otherwise, IoTHubTransportHttp_Destroy shall free all the resources currently in use. ]/
Azure.IoT Build	19:d4f9e872bf3e	833	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	834	{
AzureIoTClient	22:e0add922c564	835	listItem = (IOTHUB_DEVICE_HANDLE *) VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	19:d4f9e872bf3e	836	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	837	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	838	free(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	839	}
Azure.IoT Build	13:848d52f93daf	840
AzureIoTClient	22:e0add922c564	841	destroy_hostName((HTTPTRANSPORT_HANDLE_DATA *) handle);
AzureIoTClient	22:e0add922c564	842	destroy_httpApiExHandle((HTTPTRANSPORT_HANDLE_DATA *) handle);
AzureIoTClient	22:e0add922c564	843	destroy_perDeviceList((HTTPTRANSPORT_HANDLE_DATA *)handle);
Azure.IoT Build	19:d4f9e872bf3e	844	free(handle);
Azure.IoT Build	19:d4f9e872bf3e	845	}
AzureIoTClient	6:73793bae15ba	846	}
AzureIoTClient	6:73793bae15ba	847
AzureIoTClient	18:ab990f6aa61f	848	static int IoTHubTransportHttp_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	849	{
Azure.IoT Build	19:d4f9e872bf3e	850	int result;
Azure.IoT Build	19:d4f9e872bf3e	851	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	852	{
Azure.IoT Build	19:d4f9e872bf3e	853	/Codes_SRS_TRANSPORTMULTITHTTP_17_103: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Subscribe shall fail and return a non-zero value. ]/
Azure.IoT Build	19:d4f9e872bf3e	854	LogError("invalid arg passed to IoTHubTransportHttp_Subscribe");
Azure.IoT Build	19:d4f9e872bf3e	855	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	856	}
Azure.IoT Build	19:d4f9e872bf3e	857	else
Azure.IoT Build	19:d4f9e872bf3e	858	{
Azure.IoT Build	19:d4f9e872bf3e	859	/Codes_SRS_TRANSPORTMULTITHTTP_17_104: [ IoTHubTransportHttp_Subscribe shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	19:d4f9e872bf3e	860	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	861
Azure.IoT Build	19:d4f9e872bf3e	862	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	863	{
Azure.IoT Build	19:d4f9e872bf3e	864	/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	19:d4f9e872bf3e	865	LogError("did not find device in transport handle");
Azure.IoT Build	19:d4f9e872bf3e	866	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	867	}
Azure.IoT Build	19:d4f9e872bf3e	868	else
Azure.IoT Build	19:d4f9e872bf3e	869	{
Azure.IoT Build	19:d4f9e872bf3e	870	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem;
Azure.IoT Build	13:848d52f93daf	871
Azure.IoT Build	19:d4f9e872bf3e	872	perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	873	/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	19:d4f9e872bf3e	874	perDeviceItem->DoWork_PullMessage = true;
Azure.IoT Build	19:d4f9e872bf3e	875	}
Azure.IoT Build	19:d4f9e872bf3e	876	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	877	}
Azure.IoT Build	19:d4f9e872bf3e	878	return result;
AzureIoTClient	6:73793bae15ba	879	}
AzureIoTClient	6:73793bae15ba	880
AzureIoTClient	18:ab990f6aa61f	881	static void IoTHubTransportHttp_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	882	{
Azure.IoT Build	19:d4f9e872bf3e	883	/Codes_SRS_TRANSPORTMULTITHTTP_17_107: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Unsubscribe shall fail do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	884	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	885	{
Azure.IoT Build	19:d4f9e872bf3e	886	/Codes_SRS_TRANSPORTMULTITHTTP_17_108: [ IoTHubTransportHttp_Unsubscribe shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	19:d4f9e872bf3e	887	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	888	/Codes_SRS_TRANSPORTMULTITHTTP_17_109: [ If the device structure is not found, then this function shall fail and do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	889	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	890	{
Azure.IoT Build	19:d4f9e872bf3e	891	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	892	/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	19:d4f9e872bf3e	893	perDeviceItem->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	894	}
Azure.IoT Build	19:d4f9e872bf3e	895	else
Azure.IoT Build	19:d4f9e872bf3e	896	{
Azure.IoT Build	19:d4f9e872bf3e	897	LogError("Device not found to unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	898	}
Azure.IoT Build	19:d4f9e872bf3e	899	}
Azure.IoT Build	19:d4f9e872bf3e	900	else
Azure.IoT Build	19:d4f9e872bf3e	901	{
Azure.IoT Build	19:d4f9e872bf3e	902	LogError("Null handle passed to Unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	903	}
AzureIoTClient	6:73793bae15ba	904	}
AzureIoTClient	6:73793bae15ba	905
AzureIoTClient	6:73793bae15ba	906	/produces a representation of the properties, if they exist/
AzureIoTClient	6:73793bae15ba	907	/if they do not exist, produces ""/
AzureIoTClient	6:73793bae15ba	908	static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient	6:73793bae15ba	909	{
Azure.IoT Build	19:d4f9e872bf3e	910	int result;
Azure.IoT Build	19:d4f9e872bf3e	911	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	912	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	913	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	914	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	915	{
Azure.IoT Build	19:d4f9e872bf3e	916	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	917	LogError("error while Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	918	}
Azure.IoT Build	19:d4f9e872bf3e	919	else
Azure.IoT Build	19:d4f9e872bf3e	920	{
AzureIoTClient	6:73793bae15ba	921
Azure.IoT Build	19:d4f9e872bf3e	922	if (count == 0)
Azure.IoT Build	19:d4f9e872bf3e	923	{
Azure.IoT Build	19:d4f9e872bf3e	924	/Codes_SRS_TRANSPORTMULTITHTTP_17_064: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload/
Azure.IoT Build	19:d4f9e872bf3e	925	/no properties - do nothing with existing/
Azure.IoT Build	19:d4f9e872bf3e	926	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	927	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	928	}
Azure.IoT Build	19:d4f9e872bf3e	929	else
Azure.IoT Build	19:d4f9e872bf3e	930	{
Azure.IoT Build	19:d4f9e872bf3e	931	/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/
Azure.IoT Build	19:d4f9e872bf3e	932	if (STRING_concat(existing, ",\"properties\":") != 0)
Azure.IoT Build	19:d4f9e872bf3e	933	{
Azure.IoT Build	19:d4f9e872bf3e	934	/go ahead and return it/
Azure.IoT Build	19:d4f9e872bf3e	935	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	936	LogError("failed STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	937	}
Azure.IoT Build	19:d4f9e872bf3e	938	else if (appendMapToJSON(existing, keys, values, count) != 0)
Azure.IoT Build	19:d4f9e872bf3e	939	{
Azure.IoT Build	19:d4f9e872bf3e	940	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	941	LogError("unable to append the properties");
Azure.IoT Build	19:d4f9e872bf3e	942	}
Azure.IoT Build	19:d4f9e872bf3e	943	else
Azure.IoT Build	19:d4f9e872bf3e	944	{
Azure.IoT Build	19:d4f9e872bf3e	945	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	946	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	947	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	948	for (i = 0;i < count;i++)
Azure.IoT Build	19:d4f9e872bf3e	949	{
Azure.IoT Build	19:d4f9e872bf3e	950	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	951	*propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	952	}
Azure.IoT Build	19:d4f9e872bf3e	953	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	954	}
Azure.IoT Build	19:d4f9e872bf3e	955	}
Azure.IoT Build	19:d4f9e872bf3e	956	}
Azure.IoT Build	19:d4f9e872bf3e	957	return result;
AzureIoTClient	6:73793bae15ba	958	}
AzureIoTClient	6:73793bae15ba	959
AzureIoTClient	6:73793bae15ba	960	/produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}/
AzureIoTClient	6:73793bae15ba	961	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	962	{
Azure.IoT Build	19:d4f9e872bf3e	963	int result;
Azure.IoT Build	19:d4f9e872bf3e	964	if (STRING_concat(existing, "{") != 0)
Azure.IoT Build	19:d4f9e872bf3e	965	{
Azure.IoT Build	19:d4f9e872bf3e	966	/go on and return it/
Azure.IoT Build	19:d4f9e872bf3e	967	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	968	LogError("STRING_construct failed");
Azure.IoT Build	19:d4f9e872bf3e	969	}
Azure.IoT Build	19:d4f9e872bf3e	970	else
Azure.IoT Build	19:d4f9e872bf3e	971	{
Azure.IoT Build	19:d4f9e872bf3e	972	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	973	for (i = 0; i < count; i++)
Azure.IoT Build	19:d4f9e872bf3e	974	{
Azure.IoT Build	19:d4f9e872bf3e	975	if (!(
Azure.IoT Build	19:d4f9e872bf3e	976	(STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	977	(STRING_concat(existing, keys[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	978	(STRING_concat(existing, "\":\"") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	979	(STRING_concat(existing, values[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	980	(STRING_concat(existing, "\"") == 0)
Azure.IoT Build	19:d4f9e872bf3e	981	))
Azure.IoT Build	19:d4f9e872bf3e	982	{
Azure.IoT Build	19:d4f9e872bf3e	983	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	984	break;
Azure.IoT Build	19:d4f9e872bf3e	985	}
Azure.IoT Build	19:d4f9e872bf3e	986	}
AzureIoTClient	6:73793bae15ba	987
Azure.IoT Build	19:d4f9e872bf3e	988	if (i < count)
Azure.IoT Build	19:d4f9e872bf3e	989	{
Azure.IoT Build	19:d4f9e872bf3e	990	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	991	/error, let it go through/
Azure.IoT Build	19:d4f9e872bf3e	992	}
Azure.IoT Build	19:d4f9e872bf3e	993	else if (STRING_concat(existing, "}") != 0)
Azure.IoT Build	19:d4f9e872bf3e	994	{
Azure.IoT Build	19:d4f9e872bf3e	995	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	996	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	997	}
Azure.IoT Build	19:d4f9e872bf3e	998	else
Azure.IoT Build	19:d4f9e872bf3e	999	{
Azure.IoT Build	19:d4f9e872bf3e	1000	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1001	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1002	}
Azure.IoT Build	19:d4f9e872bf3e	1003	}
Azure.IoT Build	19:d4f9e872bf3e	1004	return result;
AzureIoTClient	6:73793bae15ba	1005	}
AzureIoTClient	6:73793bae15ba	1006
AzureIoTClient	6:73793bae15ba	1007	/makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
AzureIoTClient	6:73793bae15ba	1008	/return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data/
AzureIoTClient	6:73793bae15ba	1009	static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient	6:73793bae15ba	1010	{
Azure.IoT Build	19:d4f9e872bf3e	1011	STRING_HANDLE result; /temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
Azure.IoT Build	19:d4f9e872bf3e	1012	IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1013	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	17:7ef88cde801f	1014
Azure.IoT Build	19:d4f9e872bf3e	1015	switch (contentType)
Azure.IoT Build	19:d4f9e872bf3e	1016	{
Azure.IoT Build	19:d4f9e872bf3e	1017	case IOTHUBMESSAGE_BYTEARRAY:
Azure.IoT Build	19:d4f9e872bf3e	1018	{
Azure.IoT Build	19:d4f9e872bf3e	1019	result = STRING_construct("{\"body\":\"");
Azure.IoT Build	19:d4f9e872bf3e	1020	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1021	{
Azure.IoT Build	19:d4f9e872bf3e	1022	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1023	}
Azure.IoT Build	19:d4f9e872bf3e	1024	else
Azure.IoT Build	19:d4f9e872bf3e	1025	{
Azure.IoT Build	19:d4f9e872bf3e	1026	const unsigned char* source;
Azure.IoT Build	19:d4f9e872bf3e	1027	size_t size;
AzureIoTClient	6:73793bae15ba	1028
Azure.IoT Build	19:d4f9e872bf3e	1029	if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1030	{
Azure.IoT Build	19:d4f9e872bf3e	1031	LogError("unable to get the data for the message.");
Azure.IoT Build	19:d4f9e872bf3e	1032	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1033	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1034	}
Azure.IoT Build	19:d4f9e872bf3e	1035	else
Azure.IoT Build	19:d4f9e872bf3e	1036	{
Azure.IoT Build	19:d4f9e872bf3e	1037	STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
Azure.IoT Build	19:d4f9e872bf3e	1038	if (encoded == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1039	{
Azure.IoT Build	19:d4f9e872bf3e	1040	LogError("unable to Base64_Encode_Bytes.");
Azure.IoT Build	19:d4f9e872bf3e	1041	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1042	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1043	}
Azure.IoT Build	19:d4f9e872bf3e	1044	else
Azure.IoT Build	19:d4f9e872bf3e	1045	{
Azure.IoT Build	19:d4f9e872bf3e	1046	size_t propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1047	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1048	(STRING_concat_with_STRING(result, encoded) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1049	(STRING_concat(result, "\"") == 0) && /\" because closing value/
Azure.IoT Build	19:d4f9e872bf3e	1050	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1051	(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)/
Azure.IoT Build	19:d4f9e872bf3e	1052	))
Azure.IoT Build	19:d4f9e872bf3e	1053	{
Azure.IoT Build	19:d4f9e872bf3e	1054	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1055	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1056	LogError("unable to STRING_concat_with_STRING.");
Azure.IoT Build	19:d4f9e872bf3e	1057	}
Azure.IoT Build	19:d4f9e872bf3e	1058	else
Azure.IoT Build	19:d4f9e872bf3e	1059	{
Azure.IoT Build	19:d4f9e872bf3e	1060	/all is fine... /
Azure.IoT Build	19:d4f9e872bf3e	1061	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1062	*messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1063	}
Azure.IoT Build	19:d4f9e872bf3e	1064	STRING_delete(encoded);
Azure.IoT Build	19:d4f9e872bf3e	1065	}
Azure.IoT Build	19:d4f9e872bf3e	1066	}
Azure.IoT Build	19:d4f9e872bf3e	1067	}
Azure.IoT Build	19:d4f9e872bf3e	1068	break;
Azure.IoT Build	19:d4f9e872bf3e	1069	}
Azure.IoT Build	19:d4f9e872bf3e	1070	/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}] /
Azure.IoT Build	19:d4f9e872bf3e	1071	case IOTHUBMESSAGE_STRING:
Azure.IoT Build	19:d4f9e872bf3e	1072	{
Azure.IoT Build	19:d4f9e872bf3e	1073	result = STRING_construct("{\"body\":");
Azure.IoT Build	19:d4f9e872bf3e	1074	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1075	{
Azure.IoT Build	19:d4f9e872bf3e	1076	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1077	}
Azure.IoT Build	19:d4f9e872bf3e	1078	else
Azure.IoT Build	19:d4f9e872bf3e	1079	{
Azure.IoT Build	19:d4f9e872bf3e	1080	const char* source = IoTHubMessage_GetString(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1081	if (source == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1082	{
Azure.IoT Build	19:d4f9e872bf3e	1083	LogError("unable to IoTHubMessage_GetString");
Azure.IoT Build	19:d4f9e872bf3e	1084	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1085	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1086	}
Azure.IoT Build	19:d4f9e872bf3e	1087	else
Azure.IoT Build	19:d4f9e872bf3e	1088	{
Azure.IoT Build	19:d4f9e872bf3e	1089	STRING_HANDLE asJson = STRING_new_JSON(source);
Azure.IoT Build	19:d4f9e872bf3e	1090	if (asJson == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1091	{
Azure.IoT Build	19:d4f9e872bf3e	1092	LogError("unable to STRING_new_JSON");
Azure.IoT Build	19:d4f9e872bf3e	1093	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1094	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1095	}
Azure.IoT Build	19:d4f9e872bf3e	1096	else
Azure.IoT Build	19:d4f9e872bf3e	1097	{
Azure.IoT Build	19:d4f9e872bf3e	1098	size_t propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1099	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1100	(STRING_concat_with_STRING(result, asJson) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1101	(STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1102	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1103	(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)/
Azure.IoT Build	19:d4f9e872bf3e	1104	))
Azure.IoT Build	19:d4f9e872bf3e	1105	{
Azure.IoT Build	19:d4f9e872bf3e	1106	LogError("unable to STRING_concat_with_STRING");
Azure.IoT Build	19:d4f9e872bf3e	1107	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1108	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1109	}
Azure.IoT Build	19:d4f9e872bf3e	1110	else
Azure.IoT Build	19:d4f9e872bf3e	1111	{
Azure.IoT Build	19:d4f9e872bf3e	1112	/result has the intended content/
Azure.IoT Build	19:d4f9e872bf3e	1113	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1114	*messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1115	}
Azure.IoT Build	19:d4f9e872bf3e	1116	STRING_delete(asJson);
Azure.IoT Build	19:d4f9e872bf3e	1117	}
Azure.IoT Build	19:d4f9e872bf3e	1118	}
Azure.IoT Build	19:d4f9e872bf3e	1119	}
Azure.IoT Build	19:d4f9e872bf3e	1120	break;
Azure.IoT Build	19:d4f9e872bf3e	1121	}
Azure.IoT Build	19:d4f9e872bf3e	1122	default:
Azure.IoT Build	19:d4f9e872bf3e	1123	{
Azure.IoT Build	19:d4f9e872bf3e	1124	LogError("an unknown message type was encountered (%d)", contentType);
Azure.IoT Build	19:d4f9e872bf3e	1125	result = NULL; /unknown message type/
Azure.IoT Build	19:d4f9e872bf3e	1126	break;
Azure.IoT Build	19:d4f9e872bf3e	1127	}
Azure.IoT Build	19:d4f9e872bf3e	1128	}
Azure.IoT Build	19:d4f9e872bf3e	1129	return result;
AzureIoTClient	6:73793bae15ba	1130	}
AzureIoTClient	6:73793bae15ba	1131
AzureIoTClient	6:73793bae15ba	1132	#define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient	6:73793bae15ba	1133	MAKE_PAYLOAD_OK, /returned when there is a payload to be later send by HTTP/ \
AzureIoTClient	6:73793bae15ba	1134	MAKE_PAYLOAD_NO_ITEMS, /returned when there are no items to be send/ \
AzureIoTClient	6:73793bae15ba	1135	MAKE_PAYLOAD_ERROR, /returned when there were errors/ \
AzureIoTClient	6:73793bae15ba	1136	MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /returned when the first item doesn't fit/
AzureIoTClient	6:73793bae15ba	1137
AzureIoTClient	6:73793bae15ba	1138	DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient	6:73793bae15ba	1139
AzureIoTClient	6:73793bae15ba	1140	/this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload/
Azure.IoT Build	13:848d52f93daf	1141	/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	1142	static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_PERDEVICE_DATA* deviceData, STRING_HANDLE* payload)
AzureIoTClient	6:73793bae15ba	1143	{
Azure.IoT Build	19:d4f9e872bf3e	1144	MAKE_PAYLOAD_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	1145	size_t allMessagesSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1146	*payload = STRING_construct("[");
Azure.IoT Build	19:d4f9e872bf3e	1147	if (*payload == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1148	{
Azure.IoT Build	19:d4f9e872bf3e	1149	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1150	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1151	}
Azure.IoT Build	19:d4f9e872bf3e	1152	else
Azure.IoT Build	19:d4f9e872bf3e	1153	{
Azure.IoT Build	19:d4f9e872bf3e	1154	bool isFirst = true;
Azure.IoT Build	19:d4f9e872bf3e	1155	PDLIST_ENTRY actual;
Azure.IoT Build	19:d4f9e872bf3e	1156	bool keepGoing = true; /keepGoing gets sometimes to false from within the loop/
Azure.IoT Build	19:d4f9e872bf3e	1157	/either all the items enter the list or only some/
Azure.IoT Build	19:d4f9e872bf3e	1158	result = MAKE_PAYLOAD_OK; /optimistically initializing it/
Azure.IoT Build	19:d4f9e872bf3e	1159	while (keepGoing && ((actual = deviceData->waitingToSend->Flink) != deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1160	{
Azure.IoT Build	19:d4f9e872bf3e	1161	size_t messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1162	STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
Azure.IoT Build	19:d4f9e872bf3e	1163	if (isFirst)
Azure.IoT Build	19:d4f9e872bf3e	1164	{
Azure.IoT Build	19:d4f9e872bf3e	1165	isFirst = false;
Azure.IoT Build	19:d4f9e872bf3e	1166	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1167	if (temp == NULL) /first item failed to create, nothing to send/
Azure.IoT Build	19:d4f9e872bf3e	1168	{
Azure.IoT Build	19:d4f9e872bf3e	1169	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1170	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1171	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1172	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1173	}
Azure.IoT Build	19:d4f9e872bf3e	1174	else
Azure.IoT Build	19:d4f9e872bf3e	1175	{
Azure.IoT Build	19:d4f9e872bf3e	1176	/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_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_BATCHSTATE_FAILED.]/
Azure.IoT Build	19:d4f9e872bf3e	1177	/Codes_SRS_TRANSPORTMULTITHTTP_17_061: [The message size shall be limited to 255KB - 1 byte.]/
Azure.IoT Build	19:d4f9e872bf3e	1178	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1179	{
Azure.IoT Build	19:d4f9e872bf3e	1180	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1181	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1182	result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
Azure.IoT Build	19:d4f9e872bf3e	1183	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1184	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1185	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1186	}
Azure.IoT Build	19:d4f9e872bf3e	1187	else
Azure.IoT Build	19:d4f9e872bf3e	1188	{
Azure.IoT Build	19:d4f9e872bf3e	1189	if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1190	{
Azure.IoT Build	19:d4f9e872bf3e	1191	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1192	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1193	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1194	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1195	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1196	}
Azure.IoT Build	19:d4f9e872bf3e	1197	else
Azure.IoT Build	19:d4f9e872bf3e	1198	{
Azure.IoT Build	19:d4f9e872bf3e	1199	/first item was put nicely in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1200	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1201	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1202	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1203	}
Azure.IoT Build	19:d4f9e872bf3e	1204	}
Azure.IoT Build	19:d4f9e872bf3e	1205	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1206	}
Azure.IoT Build	19:d4f9e872bf3e	1207	}
Azure.IoT Build	19:d4f9e872bf3e	1208	else
Azure.IoT Build	19:d4f9e872bf3e	1209	{
Azure.IoT Build	19:d4f9e872bf3e	1210	/there is at least 1 item already in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1211	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1212	{
Azure.IoT Build	19:d4f9e872bf3e	1213	/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	19:d4f9e872bf3e	1214	/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.]/
Azure.IoT Build	19:d4f9e872bf3e	1215	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1216	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1217	}
Azure.IoT Build	19:d4f9e872bf3e	1218	else
Azure.IoT Build	19:d4f9e872bf3e	1219	{
Azure.IoT Build	19:d4f9e872bf3e	1220	if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1221	{
Azure.IoT Build	19:d4f9e872bf3e	1222	/this item doesn't make it to the payload, but the payload is valid so far/
Azure.IoT Build	19:d4f9e872bf3e	1223	/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.]/
Azure.IoT Build	19:d4f9e872bf3e	1224	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1225	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1226	}
Azure.IoT Build	19:d4f9e872bf3e	1227	else if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1228	{
Azure.IoT Build	19:d4f9e872bf3e	1229	/should still send what there is so far.../
Azure.IoT Build	19:d4f9e872bf3e	1230	/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.]/
Azure.IoT Build	19:d4f9e872bf3e	1231	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1232	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1233	}
Azure.IoT Build	19:d4f9e872bf3e	1234	else
Azure.IoT Build	19:d4f9e872bf3e	1235	{
Azure.IoT Build	19:d4f9e872bf3e	1236	/cool, the payload made it there, let's continue... /
Azure.IoT Build	19:d4f9e872bf3e	1237	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1238	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1239	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1240	}
Azure.IoT Build	19:d4f9e872bf3e	1241	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1242	}
Azure.IoT Build	19:d4f9e872bf3e	1243	}
Azure.IoT Build	19:d4f9e872bf3e	1244	}
AzureIoTClient	6:73793bae15ba	1245
Azure.IoT Build	19:d4f9e872bf3e	1246	/closing the payload/
Azure.IoT Build	19:d4f9e872bf3e	1247	if (result == MAKE_PAYLOAD_OK)
Azure.IoT Build	19:d4f9e872bf3e	1248	{
Azure.IoT Build	19:d4f9e872bf3e	1249	((char)STRING_c_str(payload))[STRING_length(payload) - 1] = ']'; /TODO - do this in STRING_HANDLE*/
Azure.IoT Build	19:d4f9e872bf3e	1250	}
Azure.IoT Build	19:d4f9e872bf3e	1251	else
Azure.IoT Build	19:d4f9e872bf3e	1252	{
Azure.IoT Build	19:d4f9e872bf3e	1253	/no need to close anything/
Azure.IoT Build	19:d4f9e872bf3e	1254	}
Azure.IoT Build	19:d4f9e872bf3e	1255	}
Azure.IoT Build	19:d4f9e872bf3e	1256	return result;
AzureIoTClient	6:73793bae15ba	1257	}
AzureIoTClient	6:73793bae15ba	1258
AzureIoTClient	6:73793bae15ba	1259	static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient	6:73793bae15ba	1260	{
Azure.IoT Build	19:d4f9e872bf3e	1261	/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/
Azure.IoT Build	19:d4f9e872bf3e	1262	DList_AppendTailList(destination->Flink, source);
Azure.IoT Build	19:d4f9e872bf3e	1263	DList_RemoveEntryList(source);
Azure.IoT Build	19:d4f9e872bf3e	1264	DList_InitializeListHead(source);
AzureIoTClient	6:73793bae15ba	1265	}
AzureIoTClient	6:73793bae15ba	1266
Azure.IoT Build	13:848d52f93daf	1267	static void DoEvent(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1268	{
Azure.IoT Build	13:848d52f93daf	1269
Azure.IoT Build	19:d4f9e872bf3e	1270	if (DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1271	{
Azure.IoT Build	19:d4f9e872bf3e	1272	/Codes_SRS_TRANSPORTMULTITHTTP_17_060: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] /
Azure.IoT Build	19:d4f9e872bf3e	1273	}
Azure.IoT Build	19:d4f9e872bf3e	1274	else
Azure.IoT Build	19:d4f9e872bf3e	1275	{
Azure.IoT Build	19:d4f9e872bf3e	1276	/Codes_SRS_TRANSPORTMULTITHTTP_17_053: [If option SetBatching is true then _Dowork shall send batched event message as specced below.] /
Azure.IoT Build	19:d4f9e872bf3e	1277	if (handleData->doBatchedTransfers)
Azure.IoT Build	19:d4f9e872bf3e	1278	{
Azure.IoT Build	19:d4f9e872bf3e	1279	/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	19:d4f9e872bf3e	1280	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1281	{
Azure.IoT Build	19:d4f9e872bf3e	1282	/Codes_SRS_TRANSPORTMULTITHTTP_17_055: [If updating Content-Type fails for any reason, then _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1283	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1284	}
Azure.IoT Build	19:d4f9e872bf3e	1285	else
Azure.IoT Build	19:d4f9e872bf3e	1286	{
Azure.IoT Build	19:d4f9e872bf3e	1287	/Codes_SRS_TRANSPORTMULTITHTTP_17_059: [It shall inspect the "waitingToSend" DLIST passed in config structure.] /
Azure.IoT Build	19:d4f9e872bf3e	1288	STRING_HANDLE payload;
Azure.IoT Build	19:d4f9e872bf3e	1289	switch (makePayload(deviceData, &payload))
Azure.IoT Build	19:d4f9e872bf3e	1290	{
Azure.IoT Build	19:d4f9e872bf3e	1291	case MAKE_PAYLOAD_OK:
Azure.IoT Build	19:d4f9e872bf3e	1292	{
Azure.IoT Build	19:d4f9e872bf3e	1293	/Codes_SRS_TRANSPORTMULTITHTTP_17_068: [Once a final payload has been obtained, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters:] /
Azure.IoT Build	19:d4f9e872bf3e	1294	BUFFER_HANDLE temp = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1295	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1296	{
Azure.IoT Build	19:d4f9e872bf3e	1297	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1298	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1299	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1300	}
Azure.IoT Build	19:d4f9e872bf3e	1301	else
Azure.IoT Build	19:d4f9e872bf3e	1302	{
Azure.IoT Build	19:d4f9e872bf3e	1303	if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1304	{
Azure.IoT Build	19:d4f9e872bf3e	1305	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1306	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1307	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1308	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1309	}
Azure.IoT Build	19:d4f9e872bf3e	1310	else
Azure.IoT Build	19:d4f9e872bf3e	1311	{
Azure.IoT Build	19:d4f9e872bf3e	1312	unsigned int statusCode;
Azure.IoT Build	19:d4f9e872bf3e	1313	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1314	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1315	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1316	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1317	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1318	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1319	deviceData->eventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1320	temp,
Azure.IoT Build	19:d4f9e872bf3e	1321	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1322	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1323	NULL
Azure.IoT Build	19:d4f9e872bf3e	1324	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1325	{
Azure.IoT Build	19:d4f9e872bf3e	1326	LogError("unable to HTTPAPIEX_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1327	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1328	/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	19:d4f9e872bf3e	1329	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1330	}
Azure.IoT Build	19:d4f9e872bf3e	1331	else
Azure.IoT Build	19:d4f9e872bf3e	1332	{
Azure.IoT Build	19:d4f9e872bf3e	1333	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1334	{
Azure.IoT Build	19:d4f9e872bf3e	1335	/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_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_OK. The batched items shall be removed from waitingToSend.] /
Azure.IoT Build	19:d4f9e872bf3e	1336	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK);
Azure.IoT Build	19:d4f9e872bf3e	1337	}
Azure.IoT Build	19:d4f9e872bf3e	1338	else
Azure.IoT Build	19:d4f9e872bf3e	1339	{
Azure.IoT Build	19:d4f9e872bf3e	1340	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1341	/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	19:d4f9e872bf3e	1342	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1343	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1344	}
Azure.IoT Build	19:d4f9e872bf3e	1345	}
Azure.IoT Build	19:d4f9e872bf3e	1346	}
Azure.IoT Build	19:d4f9e872bf3e	1347	BUFFER_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1348	}
Azure.IoT Build	19:d4f9e872bf3e	1349	STRING_delete(payload);
Azure.IoT Build	19:d4f9e872bf3e	1350	break;
Azure.IoT Build	19:d4f9e872bf3e	1351	}
Azure.IoT Build	19:d4f9e872bf3e	1352	case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
Azure.IoT Build	19:d4f9e872bf3e	1353	{
Azure.IoT Build	19:d4f9e872bf3e	1354	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1355	break;
Azure.IoT Build	19:d4f9e872bf3e	1356	}
Azure.IoT Build	19:d4f9e872bf3e	1357	case MAKE_PAYLOAD_ERROR:
Azure.IoT Build	19:d4f9e872bf3e	1358	{
Azure.IoT Build	19:d4f9e872bf3e	1359	LogError("unrecoverable errors while building a batch message");
Azure.IoT Build	19:d4f9e872bf3e	1360	break;
Azure.IoT Build	19:d4f9e872bf3e	1361	}
Azure.IoT Build	19:d4f9e872bf3e	1362	case MAKE_PAYLOAD_NO_ITEMS:
Azure.IoT Build	19:d4f9e872bf3e	1363	{
Azure.IoT Build	19:d4f9e872bf3e	1364	/do nothing/
Azure.IoT Build	19:d4f9e872bf3e	1365	break;
Azure.IoT Build	19:d4f9e872bf3e	1366	}
Azure.IoT Build	19:d4f9e872bf3e	1367	default:
Azure.IoT Build	19:d4f9e872bf3e	1368	{
Azure.IoT Build	19:d4f9e872bf3e	1369	LogError("internal error: switch's default branch reached when never intended");
Azure.IoT Build	19:d4f9e872bf3e	1370	break;
Azure.IoT Build	19:d4f9e872bf3e	1371	}
Azure.IoT Build	19:d4f9e872bf3e	1372	}
Azure.IoT Build	19:d4f9e872bf3e	1373	}
Azure.IoT Build	19:d4f9e872bf3e	1374	}
Azure.IoT Build	19:d4f9e872bf3e	1375	else
Azure.IoT Build	19:d4f9e872bf3e	1376	{
Azure.IoT Build	19:d4f9e872bf3e	1377	const unsigned char* messageContent=NULL;
Azure.IoT Build	19:d4f9e872bf3e	1378	size_t messageSize=0;
Azure.IoT Build	19:d4f9e872bf3e	1379	size_t originalMessageSize=0;
Azure.IoT Build	19:d4f9e872bf3e	1380	IOTHUB_MESSAGE_LIST* message = containingRecord(deviceData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1381	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1382
Azure.IoT Build	19:d4f9e872bf3e	1383	/Codes_SRS_TRANSPORTMULTITHTTP_17_073: [The message size is computed from the length of the payload + 384.]/
Azure.IoT Build	19:d4f9e872bf3e	1384	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1385	(((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
Azure.IoT Build	19:d4f9e872bf3e	1386	(IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize)==IOTHUB_MESSAGE_OK)) ? (messageSize= originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD, 1): 0)
AzureIoTClient	17:7ef88cde801f	1387
Azure.IoT Build	19:d4f9e872bf3e	1388	\|\|
AzureIoTClient	6:73793bae15ba	1389
Azure.IoT Build	19:d4f9e872bf3e	1390	((contentType == IOTHUBMESSAGE_STRING) && (
Azure.IoT Build	19:d4f9e872bf3e	1391	messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle),
Azure.IoT Build	19:d4f9e872bf3e	1392	(messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)?0:strlen((const char*)messageContent)))),
Azure.IoT Build	19:d4f9e872bf3e	1393	messageContent!=NULL)
Azure.IoT Build	19:d4f9e872bf3e	1394	)
Azure.IoT Build	19:d4f9e872bf3e	1395	))
Azure.IoT Build	19:d4f9e872bf3e	1396	{
Azure.IoT Build	19:d4f9e872bf3e	1397	LogError("unable to get the message content");
Azure.IoT Build	19:d4f9e872bf3e	1398	/go on.../
Azure.IoT Build	19:d4f9e872bf3e	1399	}
Azure.IoT Build	19:d4f9e872bf3e	1400	else
Azure.IoT Build	19:d4f9e872bf3e	1401	{
Azure.IoT Build	19:d4f9e872bf3e	1402	/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_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_BATCHSTATE_FAILED.]/
Azure.IoT Build	19:d4f9e872bf3e	1403	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1404	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1405	{
Azure.IoT Build	19:d4f9e872bf3e	1406	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1407	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1408	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1409	}
Azure.IoT Build	19:d4f9e872bf3e	1410	else
Azure.IoT Build	19:d4f9e872bf3e	1411	{
Azure.IoT Build	19:d4f9e872bf3e	1412	/Codes_SRS_TRANSPORTMULTITHTTP_17_071: [If option SetBatching is false then _Dowork shall send individual event message as specced below.] /
Azure.IoT Build	19:d4f9e872bf3e	1413	/Codes_SRS_TRANSPORTMULTITHTTP_17_076: [A clone of the event HTTP request headers shall be created.]/
Azure.IoT Build	19:d4f9e872bf3e	1414	HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(deviceData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1415	if (clonedEventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1416	{
Azure.IoT Build	19:d4f9e872bf3e	1417	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1418	LogError("HTTPHeaders_Clone failed");
Azure.IoT Build	19:d4f9e872bf3e	1419	}
Azure.IoT Build	19:d4f9e872bf3e	1420	else
Azure.IoT Build	19:d4f9e872bf3e	1421	{
Azure.IoT Build	19:d4f9e872bf3e	1422	/Codes_SRS_TRANSPORTMULTITHTTP_17_077: [The cloned HTTP headers shall have the HTTP header "Content-Type" set to "application/octet-stream".] /
Azure.IoT Build	19:d4f9e872bf3e	1423	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1424	{
Azure.IoT Build	19:d4f9e872bf3e	1425	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1426	LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed");
Azure.IoT Build	19:d4f9e872bf3e	1427	}
Azure.IoT Build	19:d4f9e872bf3e	1428	else
Azure.IoT Build	19:d4f9e872bf3e	1429	{
Azure.IoT Build	19:d4f9e872bf3e	1430	/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".] /
Azure.IoT Build	19:d4f9e872bf3e	1431	MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1432	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	1433	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	1434	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	1435	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	1436	{
Azure.IoT Build	19:d4f9e872bf3e	1437	/Codes_SRS_TRANSPORTMULTITHTTP_17_078: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1438	LogError("unable to Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	1439	}
Azure.IoT Build	19:d4f9e872bf3e	1440	else
Azure.IoT Build	19:d4f9e872bf3e	1441	{
Azure.IoT Build	19:d4f9e872bf3e	1442	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1443	bool goOn = true;
Azure.IoT Build	19:d4f9e872bf3e	1444	const char* msgId;
Azure.IoT Build	19:d4f9e872bf3e	1445	const char* corrId;
AzureIoTClient	17:7ef88cde801f	1446
Azure.IoT Build	19:d4f9e872bf3e	1447	for (i = 0; (i < count) && goOn; i++)
Azure.IoT Build	19:d4f9e872bf3e	1448	{
Azure.IoT Build	19:d4f9e872bf3e	1449	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1450	messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	1451	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1452	{
Azure.IoT Build	19:d4f9e872bf3e	1453	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1454	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1455	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1456	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1457	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1458	}
Azure.IoT Build	19:d4f9e872bf3e	1459	else
Azure.IoT Build	19:d4f9e872bf3e	1460	{
Azure.IoT Build	19:d4f9e872bf3e	1461	STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
Azure.IoT Build	19:d4f9e872bf3e	1462	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1463	{
Azure.IoT Build	19:d4f9e872bf3e	1464	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1465	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1466	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1467	}
Azure.IoT Build	19:d4f9e872bf3e	1468	else
Azure.IoT Build	19:d4f9e872bf3e	1469	{
Azure.IoT Build	19:d4f9e872bf3e	1470	if (STRING_concat(temp, keys[i]) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1471	{
Azure.IoT Build	19:d4f9e872bf3e	1472	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1473	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1474	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1475	}
Azure.IoT Build	19:d4f9e872bf3e	1476	else
Azure.IoT Build	19:d4f9e872bf3e	1477	{
Azure.IoT Build	19:d4f9e872bf3e	1478	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1479	{
Azure.IoT Build	19:d4f9e872bf3e	1480	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1481	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1482	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1483	}
Azure.IoT Build	19:d4f9e872bf3e	1484	}
Azure.IoT Build	19:d4f9e872bf3e	1485	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1486	}
Azure.IoT Build	19:d4f9e872bf3e	1487	}
Azure.IoT Build	19:d4f9e872bf3e	1488	}
AzureIoTClient	6:73793bae15ba	1489
Azure.IoT Build	19:d4f9e872bf3e	1490	// Add the Message Id and the Correlation Id
Azure.IoT Build	19:d4f9e872bf3e	1491	msgId = IoTHubMessage_GetMessageId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1492	if (goOn && msgId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1493	{
Azure.IoT Build	19:d4f9e872bf3e	1494	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_MESSAGE_ID, msgId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1495	{
Azure.IoT Build	19:d4f9e872bf3e	1496	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1497	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1498	}
Azure.IoT Build	19:d4f9e872bf3e	1499	}
AzureIoTClient	17:7ef88cde801f	1500
Azure.IoT Build	19:d4f9e872bf3e	1501	corrId = IoTHubMessage_GetCorrelationId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1502	if (goOn && corrId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1503	{
Azure.IoT Build	19:d4f9e872bf3e	1504	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CORRELATION_ID, corrId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1505	{
Azure.IoT Build	19:d4f9e872bf3e	1506	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1507	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1508	}
Azure.IoT Build	19:d4f9e872bf3e	1509	}
AzureIoTClient	7:48f0f78cd3ef	1510
Azure.IoT Build	19:d4f9e872bf3e	1511	if (!goOn)
Azure.IoT Build	19:d4f9e872bf3e	1512	{
Azure.IoT Build	19:d4f9e872bf3e	1513	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1514	}
Azure.IoT Build	19:d4f9e872bf3e	1515	else
Azure.IoT Build	19:d4f9e872bf3e	1516	{
Azure.IoT Build	19:d4f9e872bf3e	1517	BUFFER_HANDLE toBeSend = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1518	if (toBeSend == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1519	{
Azure.IoT Build	19:d4f9e872bf3e	1520	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1521	}
Azure.IoT Build	19:d4f9e872bf3e	1522	else
Azure.IoT Build	19:d4f9e872bf3e	1523	{
Azure.IoT Build	19:d4f9e872bf3e	1524	if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1525	{
Azure.IoT Build	19:d4f9e872bf3e	1526	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1527	}
Azure.IoT Build	19:d4f9e872bf3e	1528	else
Azure.IoT Build	19:d4f9e872bf3e	1529	{
AzureIoTClient	20:b652f2e4cccf	1530	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1531	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1532	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1533	{
Azure.IoT Build	19:d4f9e872bf3e	1534	/Codes_SRS_TRANSPORTMULTITHTTP_03_001: [if a deviceSasToken exists, HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (deviceSasToken) as its third argument.]/
Azure.IoT Build	19:d4f9e872bf3e	1535	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1536	{
Azure.IoT Build	19:d4f9e872bf3e	1537	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1538	/Codes_SRS_TRANSPORTMULTITHTTP_03_002: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]/
Azure.IoT Build	19:d4f9e872bf3e	1539	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1540	}
AzureIoTClient	7:48f0f78cd3ef	1541
Azure.IoT Build	19:d4f9e872bf3e	1542	/Codes_SRS_TRANSPORTMULTITHTTP_03_003: [If a deviceSasToken exists, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_ExecuteRequest passing the following parameters] /
Azure.IoT Build	19:d4f9e872bf3e	1543	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1544	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1545	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1546	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1547	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1548	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1549	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1550	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1551	NULL
Azure.IoT Build	19:d4f9e872bf3e	1552	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1553	{
Azure.IoT Build	19:d4f9e872bf3e	1554	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1555	}
Azure.IoT Build	19:d4f9e872bf3e	1556	}
Azure.IoT Build	19:d4f9e872bf3e	1557	else
Azure.IoT Build	19:d4f9e872bf3e	1558	{
Azure.IoT Build	19:d4f9e872bf3e	1559	/Codes_SRS_TRANSPORTMULTITHTTP_17_080: [If a deviceSasToken does not exist, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters] /
Azure.IoT Build	19:d4f9e872bf3e	1560	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1561	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1562	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1563	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1564	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1565	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1566	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1567	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1568	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1569	NULL
Azure.IoT Build	19:d4f9e872bf3e	1570	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1571	{
Azure.IoT Build	19:d4f9e872bf3e	1572	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1573	}
Azure.IoT Build	19:d4f9e872bf3e	1574	}
Azure.IoT Build	19:d4f9e872bf3e	1575	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1576	{
Azure.IoT Build	19:d4f9e872bf3e	1577	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1578	{
Azure.IoT Build	19:d4f9e872bf3e	1579	/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_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_OK. The item shall be removed from waitingToSend.] /
Azure.IoT Build	19:d4f9e872bf3e	1580	PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1581	DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
Azure.IoT Build	19:d4f9e872bf3e	1582	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1583	}
Azure.IoT Build	19:d4f9e872bf3e	1584	else
Azure.IoT Build	19:d4f9e872bf3e	1585	{
Azure.IoT Build	19:d4f9e872bf3e	1586	/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).] /
Azure.IoT Build	19:d4f9e872bf3e	1587	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1588	}
Azure.IoT Build	19:d4f9e872bf3e	1589	}
Azure.IoT Build	19:d4f9e872bf3e	1590	}
Azure.IoT Build	19:d4f9e872bf3e	1591	BUFFER_delete(toBeSend);
Azure.IoT Build	19:d4f9e872bf3e	1592	}
Azure.IoT Build	19:d4f9e872bf3e	1593	}
Azure.IoT Build	19:d4f9e872bf3e	1594	}
Azure.IoT Build	19:d4f9e872bf3e	1595	}
Azure.IoT Build	19:d4f9e872bf3e	1596	HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1597	}
Azure.IoT Build	19:d4f9e872bf3e	1598	}
Azure.IoT Build	19:d4f9e872bf3e	1599	}
Azure.IoT Build	19:d4f9e872bf3e	1600	}
Azure.IoT Build	19:d4f9e872bf3e	1601	}
AzureIoTClient	6:73793bae15ba	1602	}
AzureIoTClient	6:73793bae15ba	1603
AzureIoTClient	6:73793bae15ba	1604	#define ACTION_VALUES \
AzureIoTClient	6:73793bae15ba	1605	ABANDON, \
AzureIoTClient	6:73793bae15ba	1606	REJECT, \
AzureIoTClient	6:73793bae15ba	1607	ACCEPT
AzureIoTClient	6:73793bae15ba	1608	DEFINE_ENUM(ACTION, ACTION_VALUES);
AzureIoTClient	6:73793bae15ba	1609
Azure.IoT Build	13:848d52f93daf	1610	static void abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* ETag, ACTION action)
AzureIoTClient	6:73793bae15ba	1611	{
Azure.IoT Build	19:d4f9e872bf3e	1612	/*Codes_SRS_TRANSPORTMULTITHTTP_17_097: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1613	-requestType: POST
Azure.IoT Build	19:d4f9e872bf3e	1614	-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03"
Azure.IoT Build	19:d4f9e872bf3e	1615	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1616	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1617	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1618	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1619	- statusCode: a pointer to unsigned int which might be examined for logging
Azure.IoT Build	19:d4f9e872bf3e	1620	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1621	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1622	/*Codes_SRS_TRANSPORTMULTITHTTP_17_099: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1623	-requestType: DELETE
Azure.IoT Build	19:d4f9e872bf3e	1624	-relativePath: abandon relative path begin + value of ETag + "?api-version=2016-02-03"
Azure.IoT Build	19:d4f9e872bf3e	1625	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1626	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1627	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1628	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1629	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1630	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1631	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1632	/*Codes_SRS_TRANSPORTMULTITHTTP_17_101: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1633	-requestType: DELETE
Azure.IoT Build	19:d4f9e872bf3e	1634	-relativePath: abandon relative path begin + value of ETag +"?api-version=2016-02-03" + "&reject"
Azure.IoT Build	19:d4f9e872bf3e	1635	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1636	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1637	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1638	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1639	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1640	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1641	- responseContent: NULL]*/
AzureIoTClient	17:7ef88cde801f	1642
Azure.IoT Build	19:d4f9e872bf3e	1643	STRING_HANDLE fullAbandonRelativePath = STRING_clone(deviceData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	1644	if (fullAbandonRelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1645	{
Azure.IoT Build	19:d4f9e872bf3e	1646	/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	19:d4f9e872bf3e	1647	/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	19:d4f9e872bf3e	1648	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1649	LogError("unable to STRING_clone");
Azure.IoT Build	19:d4f9e872bf3e	1650	}
Azure.IoT Build	19:d4f9e872bf3e	1651	else
Azure.IoT Build	19:d4f9e872bf3e	1652	{
Azure.IoT Build	19:d4f9e872bf3e	1653	STRING_HANDLE ETagUnquoted = STRING_construct_n(ETag + 1, strlen(ETag) - 2); /skip first character which is '"' and the last one (which is also '"')/
Azure.IoT Build	19:d4f9e872bf3e	1654	if (ETagUnquoted == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1655	{
Azure.IoT Build	19:d4f9e872bf3e	1656	/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	19:d4f9e872bf3e	1657	/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	19:d4f9e872bf3e	1658	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1659	LogError("unable to STRING_construct_n");
Azure.IoT Build	19:d4f9e872bf3e	1660	}
Azure.IoT Build	19:d4f9e872bf3e	1661	else
Azure.IoT Build	19:d4f9e872bf3e	1662	{
Azure.IoT Build	19:d4f9e872bf3e	1663	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1664	(STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1665	(STRING_concat(fullAbandonRelativePath, (action == ABANDON) ? "/abandon" API_VERSION : ((action == REJECT) ? API_VERSION "&reject" : API_VERSION)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1666	))
Azure.IoT Build	19:d4f9e872bf3e	1667	{
Azure.IoT Build	19:d4f9e872bf3e	1668	/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	19:d4f9e872bf3e	1669	/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	19:d4f9e872bf3e	1670	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1671	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1672	}
Azure.IoT Build	19:d4f9e872bf3e	1673	else
Azure.IoT Build	19:d4f9e872bf3e	1674	{
Azure.IoT Build	19:d4f9e872bf3e	1675	HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1676	if (abandonRequestHttpHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1677	{
Azure.IoT Build	19:d4f9e872bf3e	1678	/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	19:d4f9e872bf3e	1679	/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	19:d4f9e872bf3e	1680	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1681	LogError("unable to HTTPHeaders_Alloc");
Azure.IoT Build	19:d4f9e872bf3e	1682	}
Azure.IoT Build	19:d4f9e872bf3e	1683	else
Azure.IoT Build	19:d4f9e872bf3e	1684	{
Azure.IoT Build	19:d4f9e872bf3e	1685	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1686	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1687	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1688	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1689	))
Azure.IoT Build	19:d4f9e872bf3e	1690	{
Azure.IoT Build	19:d4f9e872bf3e	1691	/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	19:d4f9e872bf3e	1692	/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	19:d4f9e872bf3e	1693	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1694	LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1695	}
Azure.IoT Build	19:d4f9e872bf3e	1696	else
Azure.IoT Build	19:d4f9e872bf3e	1697	{
AzureIoTClient	20:b652f2e4cccf	1698	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1699	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1700	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1701	{
Azure.IoT Build	19:d4f9e872bf3e	1702	/Codes_SRS_TRANSPORTMULTITHTTP_03_001: [if a deviceSasToken exists, HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (deviceSasToken) as its third argument.]/
Azure.IoT Build	19:d4f9e872bf3e	1703	if (HTTPHeaders_ReplaceHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1704	{
Azure.IoT Build	19:d4f9e872bf3e	1705	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1706	/Codes_SRS_TRANSPORTMULTITHTTP_03_002: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]/
Azure.IoT Build	19:d4f9e872bf3e	1707	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1708	}
Azure.IoT Build	19:d4f9e872bf3e	1709	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1710	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1711	(action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
Azure.IoT Build	19:d4f9e872bf3e	1712	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03" /
Azure.IoT Build	19:d4f9e872bf3e	1713	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1714	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1715	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1716	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1717	NULL /- responseContent: NULL] /
Azure.IoT Build	19:d4f9e872bf3e	1718	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1719	{
Azure.IoT Build	19:d4f9e872bf3e	1720	/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	19:d4f9e872bf3e	1721	/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	19:d4f9e872bf3e	1722	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1723	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1724	}
Azure.IoT Build	19:d4f9e872bf3e	1725	}
Azure.IoT Build	19:d4f9e872bf3e	1726	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1727	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1728	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1729	(action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
Azure.IoT Build	19:d4f9e872bf3e	1730	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03" /
Azure.IoT Build	19:d4f9e872bf3e	1731	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1732	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1733	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1734	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1735	NULL /- responseContent: NULL] /
Azure.IoT Build	19:d4f9e872bf3e	1736	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1737	{
Azure.IoT Build	19:d4f9e872bf3e	1738	/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	19:d4f9e872bf3e	1739	/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	19:d4f9e872bf3e	1740	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1741	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1742	}
Azure.IoT Build	19:d4f9e872bf3e	1743	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1744	{
Azure.IoT Build	19:d4f9e872bf3e	1745	if (statusCode != 204)
Azure.IoT Build	19:d4f9e872bf3e	1746	{
Azure.IoT Build	19:d4f9e872bf3e	1747	/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	19:d4f9e872bf3e	1748	/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	19:d4f9e872bf3e	1749	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1750	LogError("unexpected status code returned %u (was expecting 204)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1751	}
Azure.IoT Build	19:d4f9e872bf3e	1752	else
Azure.IoT Build	19:d4f9e872bf3e	1753	{
Azure.IoT Build	19:d4f9e872bf3e	1754	/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	19:d4f9e872bf3e	1755	/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	19:d4f9e872bf3e	1756	/Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] /
Azure.IoT Build	19:d4f9e872bf3e	1757	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1758	}
Azure.IoT Build	19:d4f9e872bf3e	1759	}
Azure.IoT Build	19:d4f9e872bf3e	1760	}
Azure.IoT Build	19:d4f9e872bf3e	1761	HTTPHeaders_Free(abandonRequestHttpHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1762	}
Azure.IoT Build	19:d4f9e872bf3e	1763	}
Azure.IoT Build	19:d4f9e872bf3e	1764	STRING_delete(ETagUnquoted);
Azure.IoT Build	19:d4f9e872bf3e	1765	}
Azure.IoT Build	19:d4f9e872bf3e	1766	STRING_delete(fullAbandonRelativePath);
Azure.IoT Build	19:d4f9e872bf3e	1767	}
AzureIoTClient	6:73793bae15ba	1768	}
AzureIoTClient	6:73793bae15ba	1769
Azure.IoT Build	13:848d52f93daf	1770	static void DoMessages(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1771	{
Azure.IoT Build	19:d4f9e872bf3e	1772	/Codes_SRS_TRANSPORTMULTITHTTP_17_083: [ If device is not subscribed then _DoWork shall advance to the next action. ] /
Azure.IoT Build	19:d4f9e872bf3e	1773	if (deviceData->DoWork_PullMessage)
Azure.IoT Build	19:d4f9e872bf3e	1774	{
Azure.IoT Build	19:d4f9e872bf3e	1775	/Codes_SRS_TRANSPORTMULTITHTTP_17_123: [After client creation, the first GET shall be allowed no matter what the value of GetMinimumPollingTime.] /
Azure.IoT Build	19:d4f9e872bf3e	1776	/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	19:d4f9e872bf3e	1777	/Codes_SRS_TRANSPORTMULTITHTTP_17_122: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] /
Azure.IoT Build	19:d4f9e872bf3e	1778	time_t timeNow = get_time(NULL);
Azure.IoT Build	19:d4f9e872bf3e	1779	bool isPollingAllowed = deviceData->isFirstPoll \|\| (timeNow == (time_t)(-1)) \|\| (get_difftime(timeNow, deviceData->lastPollTime) > handleData->getMinimumPollingTime);
Azure.IoT Build	19:d4f9e872bf3e	1780	if (isPollingAllowed)
Azure.IoT Build	19:d4f9e872bf3e	1781	{
Azure.IoT Build	19:d4f9e872bf3e	1782	HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1783	if (responseHTTPHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1784	{
Azure.IoT Build	19:d4f9e872bf3e	1785	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1786	LogError("unable to HTTPHeaders_Alloc");
Azure.IoT Build	19:d4f9e872bf3e	1787	}
Azure.IoT Build	19:d4f9e872bf3e	1788	else
Azure.IoT Build	19:d4f9e872bf3e	1789	{
Azure.IoT Build	19:d4f9e872bf3e	1790	BUFFER_HANDLE responseContent = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1791	if (responseContent == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1792	{
Azure.IoT Build	19:d4f9e872bf3e	1793	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1794	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1795	}
Azure.IoT Build	19:d4f9e872bf3e	1796	else
Azure.IoT Build	19:d4f9e872bf3e	1797	{
AzureIoTClient	20:b652f2e4cccf	1798	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1799	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1800	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1801	{
Azure.IoT Build	19:d4f9e872bf3e	1802	/Codes_SRS_TRANSPORTMULTITHTTP_03_001: [if a deviceSasToken exists, HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (deviceSasToken) as its third argument.]/
Azure.IoT Build	19:d4f9e872bf3e	1803	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->messageHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1804	{
Azure.IoT Build	19:d4f9e872bf3e	1805	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1806	/Codes_SRS_TRANSPORTMULTITHTTP_03_002: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]/
Azure.IoT Build	19:d4f9e872bf3e	1807	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1808	}
Azure.IoT Build	19:d4f9e872bf3e	1809	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1810	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1811	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	1812	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	1813	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	1814	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	1815	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	1816	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	1817	responseContent /responseContent: a new instance of buffer/
Azure.IoT Build	19:d4f9e872bf3e	1818	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1819	{
Azure.IoT Build	19:d4f9e872bf3e	1820	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1821	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1822	}
Azure.IoT Build	19:d4f9e872bf3e	1823	}
AzureIoTClient	17:7ef88cde801f	1824
Azure.IoT Build	19:d4f9e872bf3e	1825	/*Codes_SRS_TRANSPORTMULTITHTTP_17_084: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
Azure.IoT Build	19:d4f9e872bf3e	1826	requestType: GET
Azure.IoT Build	19:d4f9e872bf3e	1827	relativePath: the message HTTP relative path
Azure.IoT Build	19:d4f9e872bf3e	1828	requestHttpHeadersHandle: message HTTP request headers created by _Create
Azure.IoT Build	19:d4f9e872bf3e	1829	requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1830	statusCode: a pointer to unsigned int which shall be later examined
Azure.IoT Build	19:d4f9e872bf3e	1831	responseHeadearsHandle: a new instance of HTTP headers
Azure.IoT Build	19:d4f9e872bf3e	1832	responseContent: a new instance of buffer]
Azure.IoT Build	19:d4f9e872bf3e	1833	*/
Azure.IoT Build	19:d4f9e872bf3e	1834	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1835	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1836	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1837	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	1838	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	1839	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	1840	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	1841	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	1842	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	1843	responseContent /responseContent: a new instance of buffer/
Azure.IoT Build	19:d4f9e872bf3e	1844	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1845	{
Azure.IoT Build	19:d4f9e872bf3e	1846	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1847	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1848	}
Azure.IoT Build	19:d4f9e872bf3e	1849	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1850	{
Azure.IoT Build	19:d4f9e872bf3e	1851	/HTTP dialogue was succesfull/
Azure.IoT Build	19:d4f9e872bf3e	1852	if (timeNow == (time_t)(-1))
Azure.IoT Build	19:d4f9e872bf3e	1853	{
Azure.IoT Build	19:d4f9e872bf3e	1854	deviceData->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	1855	}
Azure.IoT Build	19:d4f9e872bf3e	1856	else
Azure.IoT Build	19:d4f9e872bf3e	1857	{
Azure.IoT Build	19:d4f9e872bf3e	1858	deviceData->isFirstPoll = false;
Azure.IoT Build	19:d4f9e872bf3e	1859	deviceData->lastPollTime = timeNow;
Azure.IoT Build	19:d4f9e872bf3e	1860	}
Azure.IoT Build	19:d4f9e872bf3e	1861	if (statusCode == 204)
Azure.IoT Build	19:d4f9e872bf3e	1862	{
Azure.IoT Build	19:d4f9e872bf3e	1863	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1864	/this is an expected status code, means "no commands", but logging that creates panic/
AzureIoTClient	6:73793bae15ba	1865
Azure.IoT Build	19:d4f9e872bf3e	1866	/do nothing, advance to next action/
Azure.IoT Build	19:d4f9e872bf3e	1867	}
Azure.IoT Build	19:d4f9e872bf3e	1868	else if (statusCode != 200)
Azure.IoT Build	19:d4f9e872bf3e	1869	{
Azure.IoT Build	19:d4f9e872bf3e	1870	/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.] /
Azure.IoT Build	19:d4f9e872bf3e	1871	LogError("expected status code was 200, but actually was received %u... moving on", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1872	}
Azure.IoT Build	19:d4f9e872bf3e	1873	else
Azure.IoT Build	19:d4f9e872bf3e	1874	{
Azure.IoT Build	19:d4f9e872bf3e	1875	/Codes_SRS_TRANSPORTMULTITHTTP_17_087: [If status code is 200, then _DoWork shall make a copy of the value of the "ETag" http header.]/
Azure.IoT Build	19:d4f9e872bf3e	1876	const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
Azure.IoT Build	19:d4f9e872bf3e	1877	if (etagValue == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1878	{
Azure.IoT Build	19:d4f9e872bf3e	1879	LogError("unable to find a received header called \"E-Tag\"");
Azure.IoT Build	19:d4f9e872bf3e	1880	}
Azure.IoT Build	19:d4f9e872bf3e	1881	else
Azure.IoT Build	19:d4f9e872bf3e	1882	{
Azure.IoT Build	19:d4f9e872bf3e	1883	/Codes_SRS_TRANSPORTMULTITHTTP_17_088: [If no such header is found or is invalid, then _DoWork shall advance to the next action.]/
Azure.IoT Build	19:d4f9e872bf3e	1884	size_t etagsize = strlen(etagValue);
Azure.IoT Build	19:d4f9e872bf3e	1885	if (
Azure.IoT Build	19:d4f9e872bf3e	1886	(etagsize < 2) \|\|
Azure.IoT Build	19:d4f9e872bf3e	1887	(etagValue[0] != '"') \|\|
Azure.IoT Build	19:d4f9e872bf3e	1888	(etagValue[etagsize - 1] != '"')
Azure.IoT Build	19:d4f9e872bf3e	1889	)
Azure.IoT Build	19:d4f9e872bf3e	1890	{
Azure.IoT Build	19:d4f9e872bf3e	1891	LogError("ETag is not a valid quoted string");
Azure.IoT Build	19:d4f9e872bf3e	1892	}
Azure.IoT Build	19:d4f9e872bf3e	1893	else
Azure.IoT Build	19:d4f9e872bf3e	1894	{
Azure.IoT Build	19:d4f9e872bf3e	1895	/Codes_SRS_TRANSPORTMULTITHTTP_17_089: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] /
Azure.IoT Build	19:d4f9e872bf3e	1896	IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(BUFFER_u_char(responseContent), BUFFER_length(responseContent));
Azure.IoT Build	19:d4f9e872bf3e	1897	if (receivedMessage == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1898	{
Azure.IoT Build	19:d4f9e872bf3e	1899	/Codes_SRS_TRANSPORTMULTITHTTP_17_092: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	1900	LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... ");
Azure.IoT Build	19:d4f9e872bf3e	1901	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1902	}
Azure.IoT Build	19:d4f9e872bf3e	1903	else
Azure.IoT Build	19:d4f9e872bf3e	1904	{
Azure.IoT Build	19:d4f9e872bf3e	1905	/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	19:d4f9e872bf3e	1906	/Codes_SRS_TRANSPORTMULTITHTTP_17_091: [The HTTP header of iothub-messageid shall be set in the MessageId.]/
Azure.IoT Build	19:d4f9e872bf3e	1907	size_t nHeaders;
Azure.IoT Build	19:d4f9e872bf3e	1908	if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1909	{
Azure.IoT Build	19:d4f9e872bf3e	1910	LogError("unable to get the count of HTTP headers");
Azure.IoT Build	19:d4f9e872bf3e	1911	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1912	}
Azure.IoT Build	19:d4f9e872bf3e	1913	else
Azure.IoT Build	19:d4f9e872bf3e	1914	{
Azure.IoT Build	19:d4f9e872bf3e	1915	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1916	MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
Azure.IoT Build	19:d4f9e872bf3e	1917	for (i = 0; i < nHeaders; i++)
Azure.IoT Build	19:d4f9e872bf3e	1918	{
Azure.IoT Build	19:d4f9e872bf3e	1919	char* completeHeader;
Azure.IoT Build	19:d4f9e872bf3e	1920	if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1921	{
Azure.IoT Build	19:d4f9e872bf3e	1922	break;
Azure.IoT Build	19:d4f9e872bf3e	1923	}
Azure.IoT Build	19:d4f9e872bf3e	1924	else
Azure.IoT Build	19:d4f9e872bf3e	1925	{
Azure.IoT Build	19:d4f9e872bf3e	1926	if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1927	{
Azure.IoT Build	19:d4f9e872bf3e	1928	/looks like a property headers/
Azure.IoT Build	19:d4f9e872bf3e	1929	/there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module/
Azure.IoT Build	19:d4f9e872bf3e	1930	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	1931	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1932	{
Azure.IoT Build	19:d4f9e872bf3e	1933	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	1934	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/
Azure.IoT Build	19:d4f9e872bf3e	1935	{
Azure.IoT Build	19:d4f9e872bf3e	1936	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1937	break;
Azure.IoT Build	19:d4f9e872bf3e	1938	}
Azure.IoT Build	19:d4f9e872bf3e	1939	}
Azure.IoT Build	19:d4f9e872bf3e	1940	}
Azure.IoT Build	19:d4f9e872bf3e	1941	else if (strncmp(IOTHUB_MESSAGE_ID, completeHeader, strlen(IOTHUB_MESSAGE_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1942	{
Azure.IoT Build	19:d4f9e872bf3e	1943	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	1944	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1945	{
Azure.IoT Build	19:d4f9e872bf3e	1946	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	1947	if (IoTHubMessage_SetMessageId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1948	{
Azure.IoT Build	19:d4f9e872bf3e	1949	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1950	break;
Azure.IoT Build	19:d4f9e872bf3e	1951	}
Azure.IoT Build	19:d4f9e872bf3e	1952	}
Azure.IoT Build	19:d4f9e872bf3e	1953	}
Azure.IoT Build	19:d4f9e872bf3e	1954	else if (strncmp(IOTHUB_CORRELATION_ID, completeHeader, strlen(IOTHUB_CORRELATION_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1955	{
Azure.IoT Build	19:d4f9e872bf3e	1956	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	1957	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1958	{
Azure.IoT Build	19:d4f9e872bf3e	1959	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	1960	if (IoTHubMessage_SetCorrelationId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1961	{
Azure.IoT Build	19:d4f9e872bf3e	1962	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1963	break;
Azure.IoT Build	19:d4f9e872bf3e	1964	}
Azure.IoT Build	19:d4f9e872bf3e	1965	}
Azure.IoT Build	19:d4f9e872bf3e	1966	}
Azure.IoT Build	19:d4f9e872bf3e	1967	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1968	}
Azure.IoT Build	19:d4f9e872bf3e	1969	}
AzureIoTClient	6:73793bae15ba	1970
Azure.IoT Build	19:d4f9e872bf3e	1971	if (i < nHeaders)
Azure.IoT Build	19:d4f9e872bf3e	1972	{
Azure.IoT Build	19:d4f9e872bf3e	1973	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1974	}
Azure.IoT Build	19:d4f9e872bf3e	1975	else
Azure.IoT Build	19:d4f9e872bf3e	1976	{
Azure.IoT Build	19:d4f9e872bf3e	1977	/Codes_SRS_TRANSPORTMULTITHTTP_17_093: [Otherwise, _DoWork shall call IoTHubClient_LL_MessageCallback with parameters handle = iotHubClientHandle and message = newly created message.]/
Azure.IoT Build	19:d4f9e872bf3e	1978	IOTHUBMESSAGE_DISPOSITION_RESULT messageResult = IoTHubClient_LL_MessageCallback(iotHubClientHandle, receivedMessage);
Azure.IoT Build	19:d4f9e872bf3e	1979	if (messageResult == IOTHUBMESSAGE_ACCEPTED)
Azure.IoT Build	19:d4f9e872bf3e	1980	{
Azure.IoT Build	19:d4f9e872bf3e	1981	/Codes_SRS_TRANSPORTMULTITHTTP_17_094: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ACCEPTED then _DoWork shall "accept" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	1982	abandonOrAcceptMessage(handleData, deviceData, etagValue, ACCEPT);
Azure.IoT Build	19:d4f9e872bf3e	1983	}
Azure.IoT Build	19:d4f9e872bf3e	1984	else if (messageResult == IOTHUBMESSAGE_REJECTED)
Azure.IoT Build	19:d4f9e872bf3e	1985	{
Azure.IoT Build	19:d4f9e872bf3e	1986	/Codes_SRS_TRANSPORTMULTITHTTP_17_095: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_REJECTED then _DoWork shall "reject" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	1987	abandonOrAcceptMessage(handleData, deviceData, etagValue, REJECT);
Azure.IoT Build	19:d4f9e872bf3e	1988	}
Azure.IoT Build	19:d4f9e872bf3e	1989	else
Azure.IoT Build	19:d4f9e872bf3e	1990	{
Azure.IoT Build	19:d4f9e872bf3e	1991	/Codes_SRS_TRANSPORTMULTITHTTP_17_096: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ABANDONED then _DoWork shall "abandon" the message.] /
Azure.IoT Build	19:d4f9e872bf3e	1992	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1993	}
Azure.IoT Build	19:d4f9e872bf3e	1994	}
Azure.IoT Build	19:d4f9e872bf3e	1995	}
Azure.IoT Build	19:d4f9e872bf3e	1996	IoTHubMessage_Destroy(receivedMessage);
Azure.IoT Build	19:d4f9e872bf3e	1997	}
Azure.IoT Build	19:d4f9e872bf3e	1998	}
AzureIoTClient	17:7ef88cde801f	1999
Azure.IoT Build	19:d4f9e872bf3e	2000	}
Azure.IoT Build	19:d4f9e872bf3e	2001	}
Azure.IoT Build	19:d4f9e872bf3e	2002	}
Azure.IoT Build	19:d4f9e872bf3e	2003	BUFFER_delete(responseContent);
Azure.IoT Build	19:d4f9e872bf3e	2004	}
Azure.IoT Build	19:d4f9e872bf3e	2005	HTTPHeaders_Free(responseHTTPHeaders);
Azure.IoT Build	19:d4f9e872bf3e	2006	}
Azure.IoT Build	19:d4f9e872bf3e	2007	}
Azure.IoT Build	19:d4f9e872bf3e	2008	else
Azure.IoT Build	19:d4f9e872bf3e	2009	{
Azure.IoT Build	19:d4f9e872bf3e	2010	/isPollingAllowed is false... /
Azure.IoT Build	19:d4f9e872bf3e	2011	/do nothing "shall be ignored/
Azure.IoT Build	19:d4f9e872bf3e	2012	}
Azure.IoT Build	19:d4f9e872bf3e	2013	}
AzureIoTClient	6:73793bae15ba	2014	}
AzureIoTClient	6:73793bae15ba	2015
AzureIoTClient	18:ab990f6aa61f	2016	static void IoTHubTransportHttp_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	2017	{
Azure.IoT Build	19:d4f9e872bf3e	2018	/Codes_SRS_TRANSPORTMULTITHTTP_17_049: [ If handle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2019	/Codes_SRS_TRANSPORTMULTITHTTP_17_140: [ If iotHubClientHandle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	2020
Azure.IoT Build	19:d4f9e872bf3e	2021	(void)iotHubClientHandle; // use the perDevice handle.
Azure.IoT Build	19:d4f9e872bf3e	2022	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2023	{
Azure.IoT Build	19:d4f9e872bf3e	2024	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2025	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	19:d4f9e872bf3e	2026	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	2027	/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	19:d4f9e872bf3e	2028	/Codes_SRS_TRANSPORTMULTITHTTP_17_050: [ IoTHubTransportHttp_DoWork shall call loop through the device list. ] /
Azure.IoT Build	19:d4f9e872bf3e	2029	/Codes_SRS_TRANSPORTMULTITHTTP_17_051: [ IF the list is empty, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2030	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	2031	{
AzureIoTClient	22:e0add922c564	2032	listItem = (IOTHUB_DEVICE_HANDLE *) VECTOR_element(handleData->perDeviceList, i);
AzureIoTClient	22:e0add922c564	2033	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA*)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2034	DoEvent(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	19:d4f9e872bf3e	2035	DoMessages(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	13:848d52f93daf	2036
Azure.IoT Build	19:d4f9e872bf3e	2037	}
Azure.IoT Build	19:d4f9e872bf3e	2038	}
Azure.IoT Build	19:d4f9e872bf3e	2039	else
Azure.IoT Build	19:d4f9e872bf3e	2040	{
Azure.IoT Build	19:d4f9e872bf3e	2041	LogError("Invalid Argument NULL call on DoWork.");
Azure.IoT Build	19:d4f9e872bf3e	2042	}
AzureIoTClient	6:73793bae15ba	2043	}
AzureIoTClient	6:73793bae15ba	2044
AzureIoTClient	18:ab990f6aa61f	2045	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient	6:73793bae15ba	2046	{
Azure.IoT Build	19:d4f9e872bf3e	2047	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	6:73793bae15ba	2048
Azure.IoT Build	19:d4f9e872bf3e	2049	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2050	{
Azure.IoT Build	19:d4f9e872bf3e	2051	/Codes_SRS_TRANSPORTMULTITHTTP_17_111: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter. ]/
Azure.IoT Build	19:d4f9e872bf3e	2052	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2053	LogError("Invalid handle to IoTHubClient HTTP transport instance.");
Azure.IoT Build	19:d4f9e872bf3e	2054	}
Azure.IoT Build	19:d4f9e872bf3e	2055	else if (iotHubClientStatus == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2056	{
Azure.IoT Build	19:d4f9e872bf3e	2057	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2058	LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.");
Azure.IoT Build	19:d4f9e872bf3e	2059	}
Azure.IoT Build	19:d4f9e872bf3e	2060	else
Azure.IoT Build	19:d4f9e872bf3e	2061	{
Azure.IoT Build	19:d4f9e872bf3e	2062	/Codes_SRS_TRANSPORTMULTITHTTP_17_138: [ IoTHubTransportHttp_GetSendStatus shall locate deviceHandle in the transport device list by calling list_find_if. ]/
Azure.IoT Build	19:d4f9e872bf3e	2063	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	2064	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2065	{
Azure.IoT Build	19:d4f9e872bf3e	2066	/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	19:d4f9e872bf3e	2067	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2068	LogError("Device not found in transport list.");
Azure.IoT Build	19:d4f9e872bf3e	2069	}
Azure.IoT Build	19:d4f9e872bf3e	2070	else
Azure.IoT Build	19:d4f9e872bf3e	2071	{
Azure.IoT Build	19:d4f9e872bf3e	2072	HTTPTRANSPORT_PERDEVICE_DATA* deviceData = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2073	/* 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	19:d4f9e872bf3e	2074	if (!DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	2075	{
Azure.IoT Build	19:d4f9e872bf3e	2076	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
Azure.IoT Build	19:d4f9e872bf3e	2077	}
Azure.IoT Build	19:d4f9e872bf3e	2078	/* 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. ] */
Azure.IoT Build	19:d4f9e872bf3e	2079	else
Azure.IoT Build	19:d4f9e872bf3e	2080	{
Azure.IoT Build	19:d4f9e872bf3e	2081	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
Azure.IoT Build	19:d4f9e872bf3e	2082	}
Azure.IoT Build	19:d4f9e872bf3e	2083	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2084	}
Azure.IoT Build	19:d4f9e872bf3e	2085	}
AzureIoTClient	6:73793bae15ba	2086
Azure.IoT Build	19:d4f9e872bf3e	2087	return result;
AzureIoTClient	6:73793bae15ba	2088	}
AzureIoTClient	6:73793bae15ba	2089
AzureIoTClient	18:ab990f6aa61f	2090	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient	6:73793bae15ba	2091	{
Azure.IoT Build	19:d4f9e872bf3e	2092	IOTHUB_CLIENT_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	2093	/Codes_SRS_TRANSPORTMULTITHTTP_17_114: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2094	/Codes_SRS_TRANSPORTMULTITHTTP_17_115: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2095	/Codes_SRS_TRANSPORTMULTITHTTP_17_116: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2096	if (
Azure.IoT Build	19:d4f9e872bf3e	2097	(handle == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2098	(option == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2099	(value == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2100	)
Azure.IoT Build	19:d4f9e872bf3e	2101	{
Azure.IoT Build	19:d4f9e872bf3e	2102	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2103	LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption");
Azure.IoT Build	19:d4f9e872bf3e	2104	}
Azure.IoT Build	19:d4f9e872bf3e	2105	else
Azure.IoT Build	19:d4f9e872bf3e	2106	{
Azure.IoT Build	19:d4f9e872bf3e	2107	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2108	/Codes_SRS_TRANSPORTMULTITHTTP_17_120: ["Batching"] /
AzureIoTClient	22:e0add922c564	2109	if (strcmp(OPTION_BATCHING, option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2110	{
Azure.IoT Build	19:d4f9e872bf3e	2111	/Codes_SRS_TRANSPORTMULTITHTTP_17_117: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] /
Azure.IoT Build	19:d4f9e872bf3e	2112	handleData->doBatchedTransfers = (bool)value;
Azure.IoT Build	19:d4f9e872bf3e	2113	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2114	}
Azure.IoT Build	19:d4f9e872bf3e	2115	/Codes_SRS_TRANSPORTMULTITHTTP_17_121: ["MinimumPollingTime"] /
AzureIoTClient	22:e0add922c564	2116	else if (strcmp(OPTION_MIN_POLLING_TIME, option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2117	{
Azure.IoT Build	19:d4f9e872bf3e	2118	handleData->getMinimumPollingTime = (unsigned int)value;
Azure.IoT Build	19:d4f9e872bf3e	2119	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2120	}
Azure.IoT Build	19:d4f9e872bf3e	2121	else
Azure.IoT Build	19:d4f9e872bf3e	2122	{
Azure.IoT Build	19:d4f9e872bf3e	2123	/Codes_SRS_TRANSPORTMULTITHTTP_17_126: [ "TrustedCerts"] /
Azure.IoT Build	19:d4f9e872bf3e	2124	/Codes_SRS_TRANSPORTMULTITHTTP_17_127: [ NULL shall be allowed. ]/
Azure.IoT Build	19:d4f9e872bf3e	2125	/Codes_SRS_TRANSPORTMULTITHTTP_17_129: [ This option shall passed down to the lower layer by calling HTTPAPIEX_SetOption. ]/
Azure.IoT Build	19:d4f9e872bf3e	2126	/Codes_SRS_TRANSPORTMULTITHTTP_17_118: [Otherwise, IoTHubTransport_Http shall call HTTPAPIEX_SetOption with the same parameters and return the translated code.] /
Azure.IoT Build	19:d4f9e872bf3e	2127	HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
Azure.IoT Build	19:d4f9e872bf3e	2128	/Codes_SRS_TRANSPORTMULTITHTTP_17_119: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] /
Azure.IoT Build	19:d4f9e872bf3e	2129	if (HTTPAPIEX_result == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2130	{
Azure.IoT Build	19:d4f9e872bf3e	2131	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2132	}
Azure.IoT Build	19:d4f9e872bf3e	2133	else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
Azure.IoT Build	19:d4f9e872bf3e	2134	{
Azure.IoT Build	19:d4f9e872bf3e	2135	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2136	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2137	}
Azure.IoT Build	19:d4f9e872bf3e	2138	else
Azure.IoT Build	19:d4f9e872bf3e	2139	{
Azure.IoT Build	19:d4f9e872bf3e	2140	result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	2141	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2142	}
Azure.IoT Build	19:d4f9e872bf3e	2143	}
Azure.IoT Build	19:d4f9e872bf3e	2144	}
Azure.IoT Build	19:d4f9e872bf3e	2145	return result;
AzureIoTClient	6:73793bae15ba	2146	}
AzureIoTClient	18:ab990f6aa61f	2147
AzureIoTClient	18:ab990f6aa61f	2148	static STRING_HANDLE IoTHubTransportHttp_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	18:ab990f6aa61f	2149	{
AzureIoTClient	18:ab990f6aa61f	2150	STRING_HANDLE result;
AzureIoTClient	18:ab990f6aa61f	2151	/Codes_SRS_TRANSPORTMULTITHTTP_02_001: [ If handle is NULL then IoTHubTransportHttp_GetHostname shall fail and return NULL. ]/
AzureIoTClient	18:ab990f6aa61f	2152	if (handle == NULL)
AzureIoTClient	18:ab990f6aa61f	2153	{
AzureIoTClient	18:ab990f6aa61f	2154	LogError("invalid parameter handle=%p", handle);
AzureIoTClient	18:ab990f6aa61f	2155	result = NULL;
AzureIoTClient	18:ab990f6aa61f	2156	}
AzureIoTClient	18:ab990f6aa61f	2157	else
AzureIoTClient	18:ab990f6aa61f	2158	{
AzureIoTClient	18:ab990f6aa61f	2159	/Codes_SRS_TRANSPORTMULTITHTTP_02_002: [ Otherwise IoTHubTransportHttp_GetHostname shall return a non-NULL STRING_HANDLE containing the hostname. ]/
AzureIoTClient	18:ab990f6aa61f	2160	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient	18:ab990f6aa61f	2161	result = handleData->hostName;
AzureIoTClient	18:ab990f6aa61f	2162	}
AzureIoTClient	18:ab990f6aa61f	2163	return result;
AzureIoTClient	18:ab990f6aa61f	2164	}
AzureIoTClient	18:ab990f6aa61f	2165
AzureIoTClient	18:ab990f6aa61f	2166	/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	18:ab990f6aa61f	2167	static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient	18:ab990f6aa61f	2168	{
AzureIoTClient	18:ab990f6aa61f	2169	IoTHubTransportHttp_GetHostname, /pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname; /
AzureIoTClient	18:ab990f6aa61f	2170	IoTHubTransportHttp_SetOption, /pfIoTHubTransport_SetOption IoTHubTransport_SetOption; /
AzureIoTClient	18:ab990f6aa61f	2171	IoTHubTransportHttp_Create, /pfIoTHubTransport_Create IoTHubTransport_Create; /
AzureIoTClient	18:ab990f6aa61f	2172	IoTHubTransportHttp_Destroy, /pfIoTHubTransport_Destroy IoTHubTransport_Destroy; /
AzureIoTClient	18:ab990f6aa61f	2173	IoTHubTransportHttp_Register, /* pfIotHubTransport_Register IoTHubTransport_Register; */
AzureIoTClient	18:ab990f6aa61f	2174	IoTHubTransportHttp_Unregister, /* pfIotHubTransport_Unregister IoTHubTransport_Unegister; */
AzureIoTClient	18:ab990f6aa61f	2175	IoTHubTransportHttp_Subscribe, /pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe; /
AzureIoTClient	18:ab990f6aa61f	2176	IoTHubTransportHttp_Unsubscribe, /pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe; /
AzureIoTClient	18:ab990f6aa61f	2177	IoTHubTransportHttp_DoWork, /pfIoTHubTransport_DoWork IoTHubTransport_DoWork; /
AzureIoTClient	18:ab990f6aa61f	2178	IoTHubTransportHttp_GetSendStatus /* pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus */
AzureIoTClient	18:ab990f6aa61f	2179	};
AzureIoTClient	18:ab990f6aa61f	2180
AzureIoTClient	18:ab990f6aa61f	2181	const TRANSPORT_PROVIDER* HTTP_Protocol(void)
AzureIoTClient	18:ab990f6aa61f	2182	{
AzureIoTClient	18:ab990f6aa61f	2183	return &thisTransportProvider;
AzureIoTClient	18:ab990f6aa61f	2184	}

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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@22:e0add922c564, 2016-08-12 (annotated)

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