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@29:e44b1f827914, 2017-03-10 (annotated)

Committer:: AzureIoTClient
Date:: Fri Mar 10 11:47:09 2017 -0800
Revision:: 29:e44b1f827914
Parent:: 28:f57de550d450
Child:: 30:655054f86a6e

1.1.9

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>
Azure.IoT Build	15:52602fffff8d	5	#include "azure_c_shared_utility/gballoc.h"
AzureIoTClient	6:73793bae15ba	6
AzureIoTClient	6:73793bae15ba	7	#include <time.h>
AzureIoTClient	22:e0add922c564	8	#include "iothub_client_options.h"
AzureIoTClient	11:495deb847d9c	9	#include "iothub_client_version.h"
AzureIoTClient	6:73793bae15ba	10	#include "iothub_client_private.h"
Azure.IoT Build	15:52602fffff8d	11	#include "iothub_transport_ll.h"
AzureIoTClient	6:73793bae15ba	12	#include "iothubtransporthttp.h"
AzureIoTClient	6:73793bae15ba	13
AzureIoTClient	28:f57de550d450	14	#include "azure_c_shared_utility/optimize_size.h"
Azure.IoT Build	15:52602fffff8d	15	#include "azure_c_shared_utility/httpapiexsas.h"
Azure.IoT Build	15:52602fffff8d	16	#include "azure_c_shared_utility/urlencode.h"
Azure.IoT Build	19:d4f9e872bf3e	17	#include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build	15:52602fffff8d	18	#include "azure_c_shared_utility/httpapiex.h"
Azure.IoT Build	15:52602fffff8d	19	#include "azure_c_shared_utility/httpapiexsas.h"
Azure.IoT Build	15:52602fffff8d	20	#include "azure_c_shared_utility/strings.h"
Azure.IoT Build	15:52602fffff8d	21	#include "azure_c_shared_utility/base64.h"
Azure.IoT Build	15:52602fffff8d	22	#include "azure_c_shared_utility/doublylinkedlist.h"
Azure.IoT Build	15:52602fffff8d	23	#include "azure_c_shared_utility/vector.h"
Azure.IoT Build	15:52602fffff8d	24	#include "azure_c_shared_utility/httpheaders.h"
Azure.IoT Build	15:52602fffff8d	25	#include "azure_c_shared_utility/agenttime.h"
AzureIoTClient	6:73793bae15ba	26
AzureIoTClient	6:73793bae15ba	27	#define IOTHUB_APP_PREFIX "iothub-app-"
AzureIoTClient	7:48f0f78cd3ef	28	const char* IOTHUB_MESSAGE_ID = "iothub-messageid";
AzureIoTClient	7:48f0f78cd3ef	29	const char* IOTHUB_CORRELATION_ID = "iothub-correlationid";
AzureIoTClient	6:73793bae15ba	30
AzureIoTClient	6:73793bae15ba	31	#define CONTENT_TYPE "Content-Type"
AzureIoTClient	6:73793bae15ba	32	#define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient	6:73793bae15ba	33	#define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient	6:73793bae15ba	34
AzureIoTClient	6:73793bae15ba	35	/DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)/
AzureIoTClient	6:73793bae15ba	36	/the default is 25 minutes/
AzureIoTClient	6:73793bae15ba	37	#define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient	6:73793bae15ba	38
AzureIoTClient	6:73793bae15ba	39	#define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient	6:73793bae15ba	40	#define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient	6:73793bae15ba	41	#define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient	6:73793bae15ba	42
AzureIoTClient	6:73793bae15ba	43	/forward declaration/
AzureIoTClient	6:73793bae15ba	44	static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient	6:73793bae15ba	45
AzureIoTClient	6:73793bae15ba	46	typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient	6:73793bae15ba	47	{
Azure.IoT Build	19:d4f9e872bf3e	48	STRING_HANDLE hostName;
Azure.IoT Build	19:d4f9e872bf3e	49	HTTPAPIEX_HANDLE httpApiExHandle;
Azure.IoT Build	19:d4f9e872bf3e	50	bool doBatchedTransfers;
Azure.IoT Build	19:d4f9e872bf3e	51	unsigned int getMinimumPollingTime;
Azure.IoT Build	19:d4f9e872bf3e	52	VECTOR_HANDLE perDeviceList;
Azure.IoT Build	13:848d52f93daf	53	}HTTPTRANSPORT_HANDLE_DATA;
Azure.IoT Build	13:848d52f93daf	54
Azure.IoT Build	13:848d52f93daf	55	typedef struct HTTPTRANSPORT_PERDEVICE_DATA_TAG
Azure.IoT Build	13:848d52f93daf	56	{
Azure.IoT Build	19:d4f9e872bf3e	57	HTTPTRANSPORT_HANDLE_DATA* transportHandle;
Azure.IoT Build	13:848d52f93daf	58
Azure.IoT Build	19:d4f9e872bf3e	59	STRING_HANDLE deviceId;
Azure.IoT Build	19:d4f9e872bf3e	60	STRING_HANDLE deviceKey;
Azure.IoT Build	19:d4f9e872bf3e	61	STRING_HANDLE deviceSasToken;
Azure.IoT Build	19:d4f9e872bf3e	62	STRING_HANDLE eventHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	63	STRING_HANDLE messageHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	64	HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	65	HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	66	STRING_HANDLE abandonHTTPrelativePathBegin;
Azure.IoT Build	19:d4f9e872bf3e	67	HTTPAPIEX_SAS_HANDLE sasObject;
Azure.IoT Build	19:d4f9e872bf3e	68	bool DoWork_PullMessage;
Azure.IoT Build	19:d4f9e872bf3e	69	time_t lastPollTime;
Azure.IoT Build	19:d4f9e872bf3e	70	bool isFirstPoll;
Azure.IoT Build	13:848d52f93daf	71
Azure.IoT Build	19:d4f9e872bf3e	72	IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	73	PDLIST_ENTRY waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	74	DLIST_ENTRY eventConfirmations; /holds items for event confirmations/
Azure.IoT Build	13:848d52f93daf	75	} HTTPTRANSPORT_PERDEVICE_DATA;
AzureIoTClient	6:73793bae15ba	76
AzureIoTClient	29:e44b1f827914	77	typedef struct MESSAGE_DISPOSITION_CONTEXT_TAG
AzureIoTClient	29:e44b1f827914	78	{
AzureIoTClient	29:e44b1f827914	79	HTTPTRANSPORT_HANDLE_DATA* handleData;
AzureIoTClient	29:e44b1f827914	80	HTTPTRANSPORT_PERDEVICE_DATA* deviceData;
AzureIoTClient	29:e44b1f827914	81	char* etagValue;
AzureIoTClient	29:e44b1f827914	82	} MESSAGE_DISPOSITION_CONTEXT;
AzureIoTClient	29:e44b1f827914	83
AzureIoTClient	29:e44b1f827914	84	DEFINE_ENUM_STRINGS(IOTHUBMESSAGE_DISPOSITION_RESULT, IOTHUBMESSAGE_DISPOSITION_RESULT_VALUES);
AzureIoTClient	29:e44b1f827914	85
Azure.IoT Build	13:848d52f93daf	86	static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	87	{
Azure.IoT Build	19:d4f9e872bf3e	88	STRING_delete(handleData->eventHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	89	handleData->eventHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	90	}
AzureIoTClient	6:73793bae15ba	91
Azure.IoT Build	13:848d52f93daf	92	static bool create_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	93	{
Azure.IoT Build	19:d4f9e872bf3e	94	/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	95	bool result;
Azure.IoT Build	19:d4f9e872bf3e	96	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	97	handleData->eventHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	98	if (handleData->eventHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	99	{
Azure.IoT Build	19:d4f9e872bf3e	100	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	101	result = false;
Azure.IoT Build	19:d4f9e872bf3e	102	}
Azure.IoT Build	19:d4f9e872bf3e	103	else
Azure.IoT Build	19:d4f9e872bf3e	104	{
Azure.IoT Build	19:d4f9e872bf3e	105	if (!(
Azure.IoT Build	19:d4f9e872bf3e	106	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	107	(STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	108	(STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	109	))
Azure.IoT Build	19:d4f9e872bf3e	110	{
Azure.IoT Build	19:d4f9e872bf3e	111	/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	112	destroy_eventHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	113	LogError("Creating HTTP event relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	114	result = false;
Azure.IoT Build	19:d4f9e872bf3e	115	}
Azure.IoT Build	19:d4f9e872bf3e	116	else
Azure.IoT Build	19:d4f9e872bf3e	117	{
Azure.IoT Build	19:d4f9e872bf3e	118	result = true;
Azure.IoT Build	19:d4f9e872bf3e	119	}
Azure.IoT Build	19:d4f9e872bf3e	120	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	121	}
Azure.IoT Build	19:d4f9e872bf3e	122	return result;
AzureIoTClient	6:73793bae15ba	123	}
AzureIoTClient	6:73793bae15ba	124
Azure.IoT Build	13:848d52f93daf	125	static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	126	{
Azure.IoT Build	19:d4f9e872bf3e	127	STRING_delete(handleData->messageHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	128	handleData->messageHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	129	}
AzureIoTClient	6:73793bae15ba	130
Azure.IoT Build	13:848d52f93daf	131	static bool create_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	132	{
Azure.IoT Build	19:d4f9e872bf3e	133	bool result;
Azure.IoT Build	19:d4f9e872bf3e	134	handleData->messageHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	135	if (handleData->messageHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	136	{
Azure.IoT Build	19:d4f9e872bf3e	137	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	138	result = false;
Azure.IoT Build	19:d4f9e872bf3e	139	}
Azure.IoT Build	19:d4f9e872bf3e	140	else
Azure.IoT Build	19:d4f9e872bf3e	141	{
Azure.IoT Build	19:d4f9e872bf3e	142	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	143	/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	144	if (!(
Azure.IoT Build	19:d4f9e872bf3e	145	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	146	(STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	147	(STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	148	))
Azure.IoT Build	19:d4f9e872bf3e	149	{
Azure.IoT Build	19:d4f9e872bf3e	150	/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	151	LogError("Creating HTTP message relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	152	result = false;
Azure.IoT Build	19:d4f9e872bf3e	153	destroy_messageHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	154	}
Azure.IoT Build	19:d4f9e872bf3e	155	else
Azure.IoT Build	19:d4f9e872bf3e	156	{
Azure.IoT Build	19:d4f9e872bf3e	157	result = true;
Azure.IoT Build	19:d4f9e872bf3e	158	}
Azure.IoT Build	19:d4f9e872bf3e	159	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	160	}
AzureIoTClient	17:7ef88cde801f	161
Azure.IoT Build	19:d4f9e872bf3e	162	return result;
AzureIoTClient	6:73793bae15ba	163	}
AzureIoTClient	6:73793bae15ba	164
Azure.IoT Build	13:848d52f93daf	165	static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	166	{
Azure.IoT Build	19:d4f9e872bf3e	167	HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	168	handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient	6:73793bae15ba	169	}
AzureIoTClient	6:73793bae15ba	170
AzureIoTClient	20:b652f2e4cccf	171	static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	172	{
Azure.IoT Build	19:d4f9e872bf3e	173	/*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	174	"Accept":"application/json"
Azure.IoT Build	19:d4f9e872bf3e	175	"Connection":"Keep-Alive" ]*/
Azure.IoT Build	19:d4f9e872bf3e	176	bool result;
Azure.IoT Build	19:d4f9e872bf3e	177	handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	178	if (handleData->eventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	179	{
Azure.IoT Build	19:d4f9e872bf3e	180	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	181	result = false;
Azure.IoT Build	19:d4f9e872bf3e	182	}
Azure.IoT Build	19:d4f9e872bf3e	183	else
Azure.IoT Build	19:d4f9e872bf3e	184	{
Azure.IoT Build	19:d4f9e872bf3e	185	STRING_HANDLE temp = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	186	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	187	{
Azure.IoT Build	19:d4f9e872bf3e	188	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	189	result = false;
Azure.IoT Build	19:d4f9e872bf3e	190	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	191	}
Azure.IoT Build	19:d4f9e872bf3e	192	else
Azure.IoT Build	19:d4f9e872bf3e	193	{
Azure.IoT Build	19:d4f9e872bf3e	194	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	195	if (!(
Azure.IoT Build	19:d4f9e872bf3e	196	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	197	(STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	198	(STRING_concat(temp, EVENT_ENDPOINT) == 0)
Azure.IoT Build	19:d4f9e872bf3e	199	))
Azure.IoT Build	19:d4f9e872bf3e	200	{
Azure.IoT Build	19:d4f9e872bf3e	201	LogError("deviceId construction failed.");
Azure.IoT Build	19:d4f9e872bf3e	202	result = false;
Azure.IoT Build	19:d4f9e872bf3e	203	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	204	}
Azure.IoT Build	19:d4f9e872bf3e	205	else
Azure.IoT Build	19:d4f9e872bf3e	206	{
Azure.IoT Build	19:d4f9e872bf3e	207	if (!(
Azure.IoT Build	19:d4f9e872bf3e	208	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	209	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK)) &&
Azure.IoT Build	19:d4f9e872bf3e	210	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	211	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	212	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	213	))
Azure.IoT Build	19:d4f9e872bf3e	214	{
Azure.IoT Build	19:d4f9e872bf3e	215	/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	216	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	217	result = false;
Azure.IoT Build	19:d4f9e872bf3e	218	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	219	}
Azure.IoT Build	19:d4f9e872bf3e	220	else
Azure.IoT Build	19:d4f9e872bf3e	221	{
Azure.IoT Build	19:d4f9e872bf3e	222	result = true;
Azure.IoT Build	19:d4f9e872bf3e	223	}
Azure.IoT Build	19:d4f9e872bf3e	224	}
Azure.IoT Build	19:d4f9e872bf3e	225	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	226	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	227	}
Azure.IoT Build	19:d4f9e872bf3e	228	}
Azure.IoT Build	19:d4f9e872bf3e	229	return result;
Azure.IoT Build	13:848d52f93daf	230	}
Azure.IoT Build	13:848d52f93daf	231
Azure.IoT Build	13:848d52f93daf	232	static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	233	{
Azure.IoT Build	19:d4f9e872bf3e	234	HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	235	handleData->messageHTTPrequestHeaders = NULL;
Azure.IoT Build	13:848d52f93daf	236	}
Azure.IoT Build	13:848d52f93daf	237
AzureIoTClient	20:b652f2e4cccf	238	static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	239	{
Azure.IoT Build	19:d4f9e872bf3e	240	/*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	241	"Authorization": "" ]*/
Azure.IoT Build	19:d4f9e872bf3e	242	bool result;
Azure.IoT Build	19:d4f9e872bf3e	243	handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	244	if (handleData->messageHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	245	{
Azure.IoT Build	19:d4f9e872bf3e	246	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	247	result = false;
Azure.IoT Build	19:d4f9e872bf3e	248	}
Azure.IoT Build	19:d4f9e872bf3e	249	else
Azure.IoT Build	19:d4f9e872bf3e	250	{
Azure.IoT Build	19:d4f9e872bf3e	251	if (!(
Azure.IoT Build	19:d4f9e872bf3e	252	(HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	253	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK))
Azure.IoT Build	19:d4f9e872bf3e	254	))
Azure.IoT Build	19:d4f9e872bf3e	255	{
Azure.IoT Build	19:d4f9e872bf3e	256	/Codes_SRS_TRANSPORTMULTITHTTP_17_023: [ If creating message HTTP request headers then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	257	destroy_messageHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	258	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	259	result = false;
Azure.IoT Build	19:d4f9e872bf3e	260	}
Azure.IoT Build	19:d4f9e872bf3e	261	else
Azure.IoT Build	19:d4f9e872bf3e	262	{
Azure.IoT Build	19:d4f9e872bf3e	263	result = true;
Azure.IoT Build	19:d4f9e872bf3e	264	}
Azure.IoT Build	19:d4f9e872bf3e	265	}
Azure.IoT Build	19:d4f9e872bf3e	266	return result;
AzureIoTClient	6:73793bae15ba	267	}
AzureIoTClient	6:73793bae15ba	268
Azure.IoT Build	13:848d52f93daf	269	static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	270	{
Azure.IoT Build	19:d4f9e872bf3e	271	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	272	handleData->abandonHTTPrelativePathBegin = NULL;
Azure.IoT Build	13:848d52f93daf	273	}
Azure.IoT Build	13:848d52f93daf	274
Azure.IoT Build	13:848d52f93daf	275	static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	276	{
Azure.IoT Build	19:d4f9e872bf3e	277	/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	278	bool result;
Azure.IoT Build	19:d4f9e872bf3e	279	handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	280	if (handleData->abandonHTTPrelativePathBegin == NULL)
Azure.IoT Build	19:d4f9e872bf3e	281	{
Azure.IoT Build	19:d4f9e872bf3e	282	result = false;
Azure.IoT Build	19:d4f9e872bf3e	283	}
Azure.IoT Build	19:d4f9e872bf3e	284	else
Azure.IoT Build	19:d4f9e872bf3e	285	{
Azure.IoT Build	19:d4f9e872bf3e	286	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	287	if (!(
Azure.IoT Build	19:d4f9e872bf3e	288	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	289	(STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	290	(STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
Azure.IoT Build	19:d4f9e872bf3e	291	))
Azure.IoT Build	19:d4f9e872bf3e	292	{
Azure.IoT Build	19:d4f9e872bf3e	293	/Codes_SRS_TRANSPORTMULTITHTTP_17_025: [ If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	294	LogError("unable to create abandon path string.");
Azure.IoT Build	19:d4f9e872bf3e	295	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	296	result = false;
Azure.IoT Build	19:d4f9e872bf3e	297	}
Azure.IoT Build	19:d4f9e872bf3e	298	else
Azure.IoT Build	19:d4f9e872bf3e	299	{
Azure.IoT Build	19:d4f9e872bf3e	300	result = true;
Azure.IoT Build	19:d4f9e872bf3e	301	}
Azure.IoT Build	19:d4f9e872bf3e	302	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	303	}
Azure.IoT Build	19:d4f9e872bf3e	304	return result;
Azure.IoT Build	13:848d52f93daf	305	}
Azure.IoT Build	13:848d52f93daf	306
Azure.IoT Build	13:848d52f93daf	307	static void destroy_SASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	308	{
Azure.IoT Build	19:d4f9e872bf3e	309	HTTPAPIEX_SAS_Destroy(handleData->sasObject);
Azure.IoT Build	19:d4f9e872bf3e	310	handleData->sasObject = NULL;
Azure.IoT Build	13:848d52f93daf	311	}
Azure.IoT Build	13:848d52f93daf	312
Azure.IoT Build	13:848d52f93daf	313	static bool create_deviceSASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData, STRING_HANDLE hostName, const char * deviceId, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	314	{
Azure.IoT Build	19:d4f9e872bf3e	315	STRING_HANDLE keyName;
Azure.IoT Build	19:d4f9e872bf3e	316	bool result;
Azure.IoT Build	19:d4f9e872bf3e	317	/Codes_SRS_TRANSPORTMULTITHTTP_17_026: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]/
Azure.IoT Build	19:d4f9e872bf3e	318	keyName = URL_EncodeString(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	319	if (keyName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	320	{
Azure.IoT Build	19:d4f9e872bf3e	321	/Codes_SRS_TRANSPORTMULTITHTTP_17_027: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	322	LogError("URL_EncodeString keyname failed");
Azure.IoT Build	19:d4f9e872bf3e	323	result = false;
Azure.IoT Build	19:d4f9e872bf3e	324	}
Azure.IoT Build	19:d4f9e872bf3e	325	else
Azure.IoT Build	19:d4f9e872bf3e	326	{
Azure.IoT Build	19:d4f9e872bf3e	327	STRING_HANDLE uriResource;
Azure.IoT Build	19:d4f9e872bf3e	328	/Codes_SRS_TRANSPORTMULTITHTTP_17_028: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]/
Azure.IoT Build	19:d4f9e872bf3e	329	uriResource = STRING_clone(hostName);
Azure.IoT Build	19:d4f9e872bf3e	330	/Codes_SRS_TRANSPORTMULTITHTTP_17_029: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	331	if (uriResource != NULL)
Azure.IoT Build	19:d4f9e872bf3e	332	{
Azure.IoT Build	19:d4f9e872bf3e	333	/Codes_SRS_TRANSPORTMULTITHTTP_17_030: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]/
Azure.IoT Build	19:d4f9e872bf3e	334	/Codes_SRS_TRANSPORTMULTITHTTP_17_141: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	335	/Codes_SRS_TRANSPORTMULTITHTTP_17_031: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]/
Azure.IoT Build	19:d4f9e872bf3e	336	/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	337	if ((STRING_concat(uriResource, "/devices/") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	338	(STRING_concat_with_STRING(uriResource, keyName) == 0))
Azure.IoT Build	19:d4f9e872bf3e	339	{
Azure.IoT Build	19:d4f9e872bf3e	340	/Codes_SRS_TRANSPORTMULTITHTTP_17_033: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]/
Azure.IoT Build	19:d4f9e872bf3e	341	/Codes_SRS_TRANSPORTMULTITHTTP_17_034: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	342	STRING_HANDLE key = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	343	if (key != NULL)
Azure.IoT Build	19:d4f9e872bf3e	344	{
Azure.IoT Build	19:d4f9e872bf3e	345	/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	346	if (STRING_empty(keyName) != 0)
Azure.IoT Build	19:d4f9e872bf3e	347	{
Azure.IoT Build	19:d4f9e872bf3e	348	LogError("Unable to form the device key name for the SAS");
Azure.IoT Build	19:d4f9e872bf3e	349	result = false;
Azure.IoT Build	19:d4f9e872bf3e	350	}
Azure.IoT Build	19:d4f9e872bf3e	351	else
Azure.IoT Build	19:d4f9e872bf3e	352	{
Azure.IoT Build	19:d4f9e872bf3e	353	/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	354	/Codes_SRS_TRANSPORTMULTITHTTP_17_037: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	355	handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
Azure.IoT Build	19:d4f9e872bf3e	356	result = (handleData->sasObject != NULL) ? (true) : (false);
Azure.IoT Build	19:d4f9e872bf3e	357	}
Azure.IoT Build	19:d4f9e872bf3e	358	STRING_delete(key);
Azure.IoT Build	19:d4f9e872bf3e	359	}
Azure.IoT Build	19:d4f9e872bf3e	360	else
Azure.IoT Build	19:d4f9e872bf3e	361	{
Azure.IoT Build	19:d4f9e872bf3e	362	LogError("STRING_construct Key failed");
Azure.IoT Build	19:d4f9e872bf3e	363	result = false;
Azure.IoT Build	19:d4f9e872bf3e	364	}
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_concat 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(uriResource);
Azure.IoT Build	19:d4f9e872bf3e	372	}
Azure.IoT Build	19:d4f9e872bf3e	373	else
Azure.IoT Build	19:d4f9e872bf3e	374	{
Azure.IoT Build	19:d4f9e872bf3e	375	LogError("STRING_staticclone uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	376	result = false;
Azure.IoT Build	19:d4f9e872bf3e	377	}
Azure.IoT Build	19:d4f9e872bf3e	378	STRING_delete(keyName);
Azure.IoT Build	19:d4f9e872bf3e	379	}
Azure.IoT Build	19:d4f9e872bf3e	380	return result;
Azure.IoT Build	13:848d52f93daf	381	}
Azure.IoT Build	13:848d52f93daf	382
Azure.IoT Build	13:848d52f93daf	383	static void destroy_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	384	{
Azure.IoT Build	19:d4f9e872bf3e	385	STRING_delete(handleData->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	386	handleData->deviceId = NULL;
Azure.IoT Build	13:848d52f93daf	387	}
Azure.IoT Build	13:848d52f93daf	388
Azure.IoT Build	13:848d52f93daf	389	static bool create_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	390	{
Azure.IoT Build	19:d4f9e872bf3e	391	/Codes_SRS_TRANSPORTMULTITHTTP_17_133: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceId") from config->deviceConfig->deviceId. ]/
Azure.IoT Build	19:d4f9e872bf3e	392	bool result;
Azure.IoT Build	19:d4f9e872bf3e	393	handleData->deviceId = STRING_construct(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	394	if (handleData->deviceId == NULL)
Azure.IoT Build	19:d4f9e872bf3e	395	{
Azure.IoT Build	19:d4f9e872bf3e	396	/Codes_SRS_TRANSPORTMULTITHTTP_17_134: [ If deviceId is not created, then IoTHubTransportHttp_Register shall fail and return NULL. /
Azure.IoT Build	19:d4f9e872bf3e	397	LogError("STRING_construct deviceId failed");
Azure.IoT Build	19:d4f9e872bf3e	398	result = false;
Azure.IoT Build	19:d4f9e872bf3e	399	}
Azure.IoT Build	19:d4f9e872bf3e	400	else
Azure.IoT Build	19:d4f9e872bf3e	401	{
Azure.IoT Build	19:d4f9e872bf3e	402	result = true;
Azure.IoT Build	19:d4f9e872bf3e	403	}
Azure.IoT Build	19:d4f9e872bf3e	404	return result;
Azure.IoT Build	13:848d52f93daf	405	}
Azure.IoT Build	13:848d52f93daf	406
Azure.IoT Build	13:848d52f93daf	407	static void destroy_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	408	{
Azure.IoT Build	19:d4f9e872bf3e	409	STRING_delete(handleData->deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	410	handleData->deviceKey = NULL;
Azure.IoT Build	13:848d52f93daf	411	}
Azure.IoT Build	13:848d52f93daf	412
AzureIoTClient	17:7ef88cde801f	413	static void destroy_deviceSas(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	414	{
AzureIoTClient	17:7ef88cde801f	415	STRING_delete(handleData->deviceSasToken);
AzureIoTClient	17:7ef88cde801f	416	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	417	}
AzureIoTClient	17:7ef88cde801f	418
Azure.IoT Build	13:848d52f93daf	419	static bool create_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	420	{
Azure.IoT Build	19:d4f9e872bf3e	421	/Codes_SRS_TRANSPORTMULTITHTTP_17_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceKey") from deviceKey. ]/
Azure.IoT Build	19:d4f9e872bf3e	422	bool result;
Azure.IoT Build	19:d4f9e872bf3e	423	handleData->deviceKey = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	424	if (handleData->deviceKey == NULL)
Azure.IoT Build	19:d4f9e872bf3e	425	{
Azure.IoT Build	19:d4f9e872bf3e	426	/Codes_SRS_TRANSPORTMULTITHTTP_17_136: [ If deviceKey is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	427	LogError("STRING_construct deviceKey failed");
Azure.IoT Build	19:d4f9e872bf3e	428	result = false;
Azure.IoT Build	19:d4f9e872bf3e	429	}
Azure.IoT Build	19:d4f9e872bf3e	430	else
Azure.IoT Build	19:d4f9e872bf3e	431	{
Azure.IoT Build	19:d4f9e872bf3e	432	result = true;
Azure.IoT Build	19:d4f9e872bf3e	433	}
Azure.IoT Build	19:d4f9e872bf3e	434	return result;
Azure.IoT Build	13:848d52f93daf	435	}
Azure.IoT Build	13:848d52f93daf	436
AzureIoTClient	17:7ef88cde801f	437	static void destroy_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	438	{
Azure.IoT Build	19:d4f9e872bf3e	439	STRING_delete(handleData->deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	440	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	441	}
AzureIoTClient	17:7ef88cde801f	442
AzureIoTClient	17:7ef88cde801f	443	static bool create_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceSasToken)
AzureIoTClient	17:7ef88cde801f	444	{
Azure.IoT Build	19:d4f9e872bf3e	445	/Codes_SRS_TRANSPORTMULTITHTTP_03_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceSasToken") from deviceSasToken. ]/
Azure.IoT Build	19:d4f9e872bf3e	446	bool result;
Azure.IoT Build	19:d4f9e872bf3e	447	handleData->deviceSasToken = STRING_construct(deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	448	if (handleData->deviceSasToken == NULL)
Azure.IoT Build	19:d4f9e872bf3e	449	{
Azure.IoT Build	19:d4f9e872bf3e	450	/Codes_SRS_TRANSPORTMULTITHTTP_03_136: [ If deviceSasToken is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	451	LogError("STRING_construct deviceSasToken failed");
Azure.IoT Build	19:d4f9e872bf3e	452	result = false;
Azure.IoT Build	19:d4f9e872bf3e	453	}
Azure.IoT Build	19:d4f9e872bf3e	454	else
Azure.IoT Build	19:d4f9e872bf3e	455	{
Azure.IoT Build	19:d4f9e872bf3e	456	result = true;
Azure.IoT Build	19:d4f9e872bf3e	457	}
Azure.IoT Build	19:d4f9e872bf3e	458	return result;
AzureIoTClient	17:7ef88cde801f	459	}
AzureIoTClient	17:7ef88cde801f	460
Azure.IoT Build	13:848d52f93daf	461	/*
Azure.IoT Build	13:848d52f93daf	462	* List queries Find by handle and find by device name
Azure.IoT Build	13:848d52f93daf	463	*/
Azure.IoT Build	13:848d52f93daf	464
Azure.IoT Build	13:848d52f93daf	465	/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	466	static bool findDeviceHandle(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	467	{
Azure.IoT Build	19:d4f9e872bf3e	468	bool result;
Azure.IoT Build	19:d4f9e872bf3e	469	/* data stored at element is device handle */
Azure.IoT Build	19:d4f9e872bf3e	470	const IOTHUB_DEVICE_HANDLE * guess = (const IOTHUB_DEVICE_HANDLE *)element;
AzureIoTClient	25:3a68a581d3f9	471	IOTHUB_DEVICE_HANDLE match = (IOTHUB_DEVICE_HANDLE)value;
Azure.IoT Build	19:d4f9e872bf3e	472	result = (*guess == match) ? true : false;
Azure.IoT Build	19:d4f9e872bf3e	473	return result;
Azure.IoT Build	13:848d52f93daf	474	}
Azure.IoT Build	13:848d52f93daf	475
Azure.IoT Build	13:848d52f93daf	476	static bool findDeviceById(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	477	{
Azure.IoT Build	19:d4f9e872bf3e	478	bool result;
Azure.IoT Build	19:d4f9e872bf3e	479	const char* deviceId = (const char *)value;
Azure.IoT Build	19:d4f9e872bf3e	480	const HTTPTRANSPORT_PERDEVICE_DATA * perDeviceElement = (const HTTPTRANSPORT_PERDEVICE_DATA *)element;
Azure.IoT Build	13:848d52f93daf	481
Azure.IoT Build	19:d4f9e872bf3e	482	result = (strcmp(STRING_c_str(perDeviceElement->deviceId), deviceId) == 0);
Azure.IoT Build	13:848d52f93daf	483
Azure.IoT Build	19:d4f9e872bf3e	484	return result;
Azure.IoT Build	13:848d52f93daf	485	}
Azure.IoT Build	13:848d52f93daf	486
AzureIoTClient	18:ab990f6aa61f	487	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	488	{
Azure.IoT Build	19:d4f9e872bf3e	489	HTTPTRANSPORT_PERDEVICE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	490	if (handle == NULL \|\| device == NULL)
Azure.IoT Build	19:d4f9e872bf3e	491	{
Azure.IoT Build	19:d4f9e872bf3e	492	/Codes_SRS_TRANSPORTMULTITHTTP_17_142: [ If handle is NULL or device is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	493	LogError("Transport handle is NULL");
Azure.IoT Build	19:d4f9e872bf3e	494	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	495	}
AzureIoTClient	20:b652f2e4cccf	496	else if (device->deviceId == NULL \|\| ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) \|\| waitingToSend == NULL \|\| iotHubClientHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	497	{
AzureIoTClient	20:b652f2e4cccf	498	/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	499	/Codes_SRS_TRANSPORTMULTITHTTP_17_014: [ If IOTHUB_DEVICE_CONFIG field deviceId is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	500	/Codes_SRS_TRANSPORTMULTITHTTP_17_016: [ If parameter waitingToSend is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	501	/Codes_SRS_TRANSPORTMULTITHTTP_17_143: [ If parameter iotHubClientHandle is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
AzureIoTClient	20:b652f2e4cccf	502	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	503	handle, device, iotHubClientHandle, waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	504	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	505	}
Azure.IoT Build	19:d4f9e872bf3e	506	else
Azure.IoT Build	19:d4f9e872bf3e	507	{
Azure.IoT Build	19:d4f9e872bf3e	508	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	509	/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	510	void* listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceById, device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	511	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	512	{
Azure.IoT Build	19:d4f9e872bf3e	513	/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	514	LogError("Transport already has device registered by id: [%s]", device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	515	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	516	}
Azure.IoT Build	19:d4f9e872bf3e	517	else
Azure.IoT Build	19:d4f9e872bf3e	518	{
Azure.IoT Build	19:d4f9e872bf3e	519	bool was_create_deviceKey_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	520	bool was_create_deviceSasToken_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	521	bool was_sasObject_ok = false;
AzureIoTClient	20:b652f2e4cccf	522	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	523
Azure.IoT Build	19:d4f9e872bf3e	524	/Codes_SRS_TRANSPORTMULTITHTTP_17_038: [ Otherwise, IoTHubTransportHttp_Register shall allocate the IOTHUB_DEVICE_HANDLE structure. ]/
AzureIoTClient	22:e0add922c564	525	bool was_resultCreated_ok = ((result = (HTTPTRANSPORT_PERDEVICE_DATA *) malloc(sizeof(HTTPTRANSPORT_PERDEVICE_DATA))) != NULL);
Azure.IoT Build	19:d4f9e872bf3e	526	bool was_create_deviceId_ok = was_resultCreated_ok && create_deviceId(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	527
AzureIoTClient	20:b652f2e4cccf	528	if (was_create_deviceId_ok)
Azure.IoT Build	19:d4f9e872bf3e	529	{
AzureIoTClient	20:b652f2e4cccf	530	if (device->deviceSasToken != NULL)
AzureIoTClient	20:b652f2e4cccf	531	{
AzureIoTClient	20:b652f2e4cccf	532	/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	533	was_create_deviceSasToken_ok = create_deviceSasToken(result, device->deviceSasToken);
AzureIoTClient	20:b652f2e4cccf	534	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	535	result->sasObject = NULL;
AzureIoTClient	20:b652f2e4cccf	536	}
AzureIoTClient	20:b652f2e4cccf	537	else /when deviceSasToken == NULL/
AzureIoTClient	20:b652f2e4cccf	538	{
AzureIoTClient	20:b652f2e4cccf	539	if (device->deviceKey != NULL)
AzureIoTClient	20:b652f2e4cccf	540	{
AzureIoTClient	20:b652f2e4cccf	541	was_create_deviceKey_ok = create_deviceKey(result, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	542	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	543	}
AzureIoTClient	20:b652f2e4cccf	544	else
AzureIoTClient	20:b652f2e4cccf	545	{
AzureIoTClient	20:b652f2e4cccf	546	/when both of them are NULL/
AzureIoTClient	20:b652f2e4cccf	547	was_x509_ok = true;
AzureIoTClient	20:b652f2e4cccf	548	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	549	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	550	}
AzureIoTClient	20:b652f2e4cccf	551	}
Azure.IoT Build	19:d4f9e872bf3e	552	}
AzureIoTClient	17:7ef88cde801f	553
AzureIoTClient	20:b652f2e4cccf	554	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	555	bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, device->deviceId);
AzureIoTClient	20:b652f2e4cccf	556	bool was_eventHTTPrequestHeaders_ok = was_messageHTTPrelativePath_ok && create_eventHTTPrequestHeaders(result, device->deviceId, was_x509_ok);
AzureIoTClient	20:b652f2e4cccf	557	bool was_messageHTTPrequestHeaders_ok = was_eventHTTPrequestHeaders_ok && create_messageHTTPrequestHeaders(result, was_x509_ok);
Azure.IoT Build	19:d4f9e872bf3e	558	bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	559
AzureIoTClient	20:b652f2e4cccf	560	if (was_x509_ok)
Azure.IoT Build	19:d4f9e872bf3e	561	{
AzureIoTClient	20:b652f2e4cccf	562	result->sasObject = NULL; /**/
AzureIoTClient	20:b652f2e4cccf	563	was_sasObject_ok = true;
AzureIoTClient	20:b652f2e4cccf	564	}
AzureIoTClient	20:b652f2e4cccf	565	else
AzureIoTClient	20:b652f2e4cccf	566	{
AzureIoTClient	20:b652f2e4cccf	567	if (!was_create_deviceSasToken_ok)
AzureIoTClient	20:b652f2e4cccf	568	{
AzureIoTClient	20:b652f2e4cccf	569	was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, handleData->hostName, device->deviceId, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	570	}
Azure.IoT Build	19:d4f9e872bf3e	571	}
AzureIoTClient	17:7ef88cde801f	572
Azure.IoT Build	19:d4f9e872bf3e	573	/Codes_SRS_TRANSPORTMULTITHTTP_17_041: [ IoTHubTransportHttp_Register shall call VECTOR_push_back to store the new device information. ]/
AzureIoTClient	20:b652f2e4cccf	574	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	575
Azure.IoT Build	19:d4f9e872bf3e	576	if (was_list_add_ok)
Azure.IoT Build	19:d4f9e872bf3e	577	{
Azure.IoT Build	19:d4f9e872bf3e	578	/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	579	/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	580	/Codes_SRS_TRANSPORTMULTITHTTP_17_128: [ IoTHubTransportHttp_Register shall mark this device as unsubscribed. ]/
Azure.IoT Build	19:d4f9e872bf3e	581	result->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	582	result->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	583	result->iotHubClientHandle = iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	584	result->waitingToSend = waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	585	DList_InitializeListHead(&(result->eventConfirmations));
AzureIoTClient	22:e0add922c564	586	result->transportHandle = (HTTPTRANSPORT_HANDLE_DATA *) handle;
Azure.IoT Build	19:d4f9e872bf3e	587	}
Azure.IoT Build	19:d4f9e872bf3e	588	else
Azure.IoT Build	19:d4f9e872bf3e	589	{
AzureIoTClient	24:02406f4a78ae	590	/Codes_SRS_TRANSPORTMULTITHTTP_17_042: [ If the singlylinkedlist_add fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	591	if (was_sasObject_ok) destroy_SASObject(result);
Azure.IoT Build	19:d4f9e872bf3e	592	if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
Azure.IoT Build	19:d4f9e872bf3e	593	if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	594	if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	595	if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	596	if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	597	if (was_create_deviceId_ok) destroy_deviceId(result);
Azure.IoT Build	19:d4f9e872bf3e	598	if (was_create_deviceKey_ok) destroy_deviceKey(result);
Azure.IoT Build	19:d4f9e872bf3e	599	if (was_create_deviceSasToken_ok) destroy_deviceSasToken(result);
Azure.IoT Build	19:d4f9e872bf3e	600	/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	601	if (was_resultCreated_ok) free(result);
Azure.IoT Build	19:d4f9e872bf3e	602	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	603	}
Azure.IoT Build	19:d4f9e872bf3e	604	}
AzureIoTClient	17:7ef88cde801f	605
Azure.IoT Build	19:d4f9e872bf3e	606	}
Azure.IoT Build	19:d4f9e872bf3e	607	return (IOTHUB_DEVICE_HANDLE)result;
Azure.IoT Build	13:848d52f93daf	608	}
Azure.IoT Build	13:848d52f93daf	609
Azure.IoT Build	13:848d52f93daf	610
Azure.IoT Build	13:848d52f93daf	611	static void destroy_perDeviceData(HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem)
Azure.IoT Build	13:848d52f93daf	612	{
Azure.IoT Build	19:d4f9e872bf3e	613	destroy_deviceId(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	614	destroy_deviceKey(perDeviceItem);
AzureIoTClient	17:7ef88cde801f	615	destroy_deviceSas(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	616	destroy_eventHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	617	destroy_messageHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	618	destroy_eventHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	619	destroy_messageHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	620	destroy_abandonHTTPrelativePathBegin(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	621	destroy_SASObject(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	622	}
Azure.IoT Build	13:848d52f93daf	623
Azure.IoT Build	13:848d52f93daf	624	static IOTHUB_DEVICE_HANDLE* get_perDeviceDataItem(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	625	{
Azure.IoT Build	19:d4f9e872bf3e	626	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	627	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	628
Azure.IoT Build	19:d4f9e872bf3e	629	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	13:848d52f93daf	630
AzureIoTClient	22:e0add922c564	631	listItem = (IOTHUB_DEVICE_HANDLE *) VECTOR_find_if(handleData->perDeviceList, findDeviceHandle, deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	632	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	633	{
Azure.IoT Build	19:d4f9e872bf3e	634	LogError("device handle not found in transport device list");
Azure.IoT Build	19:d4f9e872bf3e	635	listItem = NULL;
Azure.IoT Build	19:d4f9e872bf3e	636	}
Azure.IoT Build	19:d4f9e872bf3e	637	else
Azure.IoT Build	19:d4f9e872bf3e	638	{
Azure.IoT Build	19:d4f9e872bf3e	639	/* sucessfully found device in list. */
Azure.IoT Build	19:d4f9e872bf3e	640	}
Azure.IoT Build	13:848d52f93daf	641
Azure.IoT Build	19:d4f9e872bf3e	642	return listItem;
Azure.IoT Build	13:848d52f93daf	643	}
Azure.IoT Build	13:848d52f93daf	644
AzureIoTClient	18:ab990f6aa61f	645	static void IoTHubTransportHttp_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	646	{
Azure.IoT Build	19:d4f9e872bf3e	647	if (deviceHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	648	{
Azure.IoT Build	19:d4f9e872bf3e	649	/Codes_SRS_TRANSPORTMULTITHTTP_17_044: [ If deviceHandle is NULL, then IoTHubTransportHttp_Unregister shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	650	LogError("Unregister a NULL device handle");
Azure.IoT Build	19:d4f9e872bf3e	651	}
Azure.IoT Build	19:d4f9e872bf3e	652	else
Azure.IoT Build	19:d4f9e872bf3e	653	{
Azure.IoT Build	19:d4f9e872bf3e	654	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	655	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	19:d4f9e872bf3e	656	/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	657	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	658	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	659	{
Azure.IoT Build	19:d4f9e872bf3e	660	/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	661	LogError("Device Handle [%p] not found in transport", deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	662	}
Azure.IoT Build	19:d4f9e872bf3e	663	else
Azure.IoT Build	19:d4f9e872bf3e	664	{
Azure.IoT Build	19:d4f9e872bf3e	665	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	666
Azure.IoT Build	19:d4f9e872bf3e	667	/Codes_SRS_TRANSPORTMULTITHTTP_17_047: [ IoTHubTransportHttp_Unregister shall free all the resources used in the device structure. ]/
Azure.IoT Build	19:d4f9e872bf3e	668	destroy_perDeviceData(perDeviceItem);
AzureIoTClient	24:02406f4a78ae	669	/Codes_SRS_TRANSPORTMULTITHTTP_17_048: [ IoTHubTransportHttp_Unregister shall call singlylinkedlist_remove to remove device from devices list. ]/
Azure.IoT Build	19:d4f9e872bf3e	670	VECTOR_erase(handleData->perDeviceList, listItem, 1);
Azure.IoT Build	19:d4f9e872bf3e	671	free(deviceHandleData);
Azure.IoT Build	19:d4f9e872bf3e	672	}
Azure.IoT Build	19:d4f9e872bf3e	673	}
Azure.IoT Build	13:848d52f93daf	674
Azure.IoT Build	19:d4f9e872bf3e	675	return;
Azure.IoT Build	13:848d52f93daf	676	}
Azure.IoT Build	13:848d52f93daf	677
AzureIoTClient	23:44d825a1cd09	678	/Codes_SRS_TRANSPORTMULTITHTTP_17_005: [If config->upperConfig->protocolGatewayHostName is NULL, `IoTHubTransportHttp_Create` shall create an immutable string (further called hostname) containing `config->transportConfig->iotHubName + config->transportConfig->iotHubSuffix`.] /
AzureIoTClient	23:44d825a1cd09	679	/Codes_SRS_TRANSPORTMULTITHTTP_20_001: [If config->upperConfig->protocolGatewayHostName is not NULL, IoTHubTransportHttp_Create shall use it as hostname] /
AzureIoTClient	6:73793bae15ba	680	static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	681	{
Azure.IoT Build	19:d4f9e872bf3e	682	STRING_delete(handleData->hostName);
Azure.IoT Build	19:d4f9e872bf3e	683	handleData->hostName = NULL;
AzureIoTClient	6:73793bae15ba	684	}
AzureIoTClient	6:73793bae15ba	685
AzureIoTClient	6:73793bae15ba	686	static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	687	{
Azure.IoT Build	19:d4f9e872bf3e	688	bool result;
AzureIoTClient	23:44d825a1cd09	689	if (config->upperConfig->protocolGatewayHostName != NULL)
Azure.IoT Build	19:d4f9e872bf3e	690	{
AzureIoTClient	23:44d825a1cd09	691	/Codes_SRS_TRANSPORTMULTITHTTP_20_001: [If config->upperConfig->protocolGatewayHostName is not NULL, IoTHubTransportHttp_Create shall use it as hostname] /
AzureIoTClient	23:44d825a1cd09	692	handleData->hostName = STRING_construct(config->upperConfig->protocolGatewayHostName);
AzureIoTClient	23:44d825a1cd09	693	result = (handleData->hostName != NULL);
Azure.IoT Build	19:d4f9e872bf3e	694	}
Azure.IoT Build	19:d4f9e872bf3e	695	else
Azure.IoT Build	19:d4f9e872bf3e	696	{
AzureIoTClient	23:44d825a1cd09	697	/Codes_SRS_TRANSPORTMULTITHTTP_17_005: [If config->upperConfig->protocolGatewayHostName is NULL, `IoTHubTransportHttp_Create` shall create an immutable string (further called hostname) containing `config->transportConfig->iotHubName + config->transportConfig->iotHubSuffix`.] /
AzureIoTClient	23:44d825a1cd09	698	handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
AzureIoTClient	23:44d825a1cd09	699
AzureIoTClient	23:44d825a1cd09	700	if (handleData->hostName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	701	{
Azure.IoT Build	19:d4f9e872bf3e	702	result = false;
Azure.IoT Build	19:d4f9e872bf3e	703	}
Azure.IoT Build	19:d4f9e872bf3e	704	else
Azure.IoT Build	19:d4f9e872bf3e	705	{
AzureIoTClient	23:44d825a1cd09	706	if ((STRING_concat(handleData->hostName, ".") != 0) \|\|
AzureIoTClient	23:44d825a1cd09	707	(STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
AzureIoTClient	23:44d825a1cd09	708	{
AzureIoTClient	23:44d825a1cd09	709	/Codes_SRS_TRANSPORTMULTITHTTP_17_006: [ If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
AzureIoTClient	23:44d825a1cd09	710	destroy_hostName(handleData);
AzureIoTClient	23:44d825a1cd09	711	result = false;
AzureIoTClient	23:44d825a1cd09	712	}
AzureIoTClient	23:44d825a1cd09	713	else
AzureIoTClient	23:44d825a1cd09	714	{
AzureIoTClient	23:44d825a1cd09	715	result = true;
AzureIoTClient	23:44d825a1cd09	716	}
Azure.IoT Build	19:d4f9e872bf3e	717	}
Azure.IoT Build	19:d4f9e872bf3e	718	}
Azure.IoT Build	19:d4f9e872bf3e	719	return result;
AzureIoTClient	6:73793bae15ba	720	}
AzureIoTClient	6:73793bae15ba	721
Azure.IoT Build	13:848d52f93daf	722	/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	723	static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	724	{
Azure.IoT Build	19:d4f9e872bf3e	725	HTTPAPIEX_Destroy(handleData->httpApiExHandle);
Azure.IoT Build	19:d4f9e872bf3e	726	handleData->httpApiExHandle = NULL;
AzureIoTClient	6:73793bae15ba	727	}
AzureIoTClient	6:73793bae15ba	728
Azure.IoT Build	13:848d52f93daf	729	/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	730	static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	731	{
Azure.IoT Build	19:d4f9e872bf3e	732	bool result;
Azure.IoT Build	19:d4f9e872bf3e	733	(void)config;
Azure.IoT Build	19:d4f9e872bf3e	734	handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
Azure.IoT Build	19:d4f9e872bf3e	735	if (handleData->httpApiExHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	736	{
Azure.IoT Build	19:d4f9e872bf3e	737	/Codes_SRS_TRANSPORTMULTITHTTP_17_008: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	738	result = false;
Azure.IoT Build	19:d4f9e872bf3e	739	}
Azure.IoT Build	19:d4f9e872bf3e	740	else
Azure.IoT Build	19:d4f9e872bf3e	741	{
Azure.IoT Build	19:d4f9e872bf3e	742	result = true;
Azure.IoT Build	19:d4f9e872bf3e	743	}
Azure.IoT Build	19:d4f9e872bf3e	744	return result;
AzureIoTClient	6:73793bae15ba	745	}
AzureIoTClient	6:73793bae15ba	746
Azure.IoT Build	13:848d52f93daf	747	static void destroy_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	748	{
Azure.IoT Build	19:d4f9e872bf3e	749	VECTOR_destroy(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	750	handleData->perDeviceList = NULL;
AzureIoTClient	6:73793bae15ba	751	}
AzureIoTClient	6:73793bae15ba	752
AzureIoTClient	24:02406f4a78ae	753	/Codes_SRS_TRANSPORTMULTITHTTP_17_009: [ IoTHubTransportHttp_Create shall call singlylinkedlist_create to create a list of registered devices. ]/
Azure.IoT Build	13:848d52f93daf	754	static bool create_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	755	{
Azure.IoT Build	19:d4f9e872bf3e	756	bool result;
Azure.IoT Build	19:d4f9e872bf3e	757	handleData->perDeviceList = VECTOR_create(sizeof(IOTHUB_DEVICE_HANDLE));
Azure.IoT Build	19:d4f9e872bf3e	758	if (handleData == NULL \|\| handleData->perDeviceList == NULL)
Azure.IoT Build	19:d4f9e872bf3e	759	{
Azure.IoT Build	19:d4f9e872bf3e	760	/Codes_SRS_TRANSPORTMULTITHTTP_17_010: [ If creating the list fails, then IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	761	result = false;
Azure.IoT Build	19:d4f9e872bf3e	762	}
Azure.IoT Build	19:d4f9e872bf3e	763	else
Azure.IoT Build	19:d4f9e872bf3e	764	{
Azure.IoT Build	19:d4f9e872bf3e	765	result = true;
Azure.IoT Build	19:d4f9e872bf3e	766	}
Azure.IoT Build	19:d4f9e872bf3e	767	return result;
AzureIoTClient	6:73793bae15ba	768	}
AzureIoTClient	6:73793bae15ba	769
Azure.IoT Build	13:848d52f93daf	770
AzureIoTClient	18:ab990f6aa61f	771	static TRANSPORT_LL_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	772	{
Azure.IoT Build	19:d4f9e872bf3e	773	HTTPTRANSPORT_HANDLE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	774	if (config == NULL)
Azure.IoT Build	19:d4f9e872bf3e	775	{
Azure.IoT Build	19:d4f9e872bf3e	776	/Codes_SRS_TRANSPORTMULTITHTTP_17_001: [If parameter config is NULL, then IoTHubTransportHttp_Create shall return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	777	LogError("invalid arg (configuration is missing)");
Azure.IoT Build	19:d4f9e872bf3e	778	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	779	}
Azure.IoT Build	19:d4f9e872bf3e	780	else if (config->upperConfig == NULL)
Azure.IoT Build	19:d4f9e872bf3e	781	{
Azure.IoT Build	19:d4f9e872bf3e	782	/Codes_SRS_TRANSPORTMULTITHTTP_17_002: [ If field transportConfig is NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	783	LogError("invalid arg (upperConfig is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	784	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	785	}
Azure.IoT Build	19:d4f9e872bf3e	786	else if (config->upperConfig->protocol == NULL)
Azure.IoT Build	19:d4f9e872bf3e	787	{
Azure.IoT Build	19:d4f9e872bf3e	788	/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	789	LogError("invalid arg (protocol is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	790	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	791	}
Azure.IoT Build	19:d4f9e872bf3e	792	else if (config->upperConfig->iotHubName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	793	{
Azure.IoT Build	19:d4f9e872bf3e	794	/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	795	LogError("invalid arg (iotHubName is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	796	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	797	}
Azure.IoT Build	19:d4f9e872bf3e	798	else if (config->upperConfig->iotHubSuffix == NULL)
Azure.IoT Build	19:d4f9e872bf3e	799	{
Azure.IoT Build	19:d4f9e872bf3e	800	/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	801	LogError("invalid arg (iotHubSuffix is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	802	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	803	}
Azure.IoT Build	19:d4f9e872bf3e	804	else
Azure.IoT Build	19:d4f9e872bf3e	805	{
Azure.IoT Build	19:d4f9e872bf3e	806	/Codes_SRS_TRANSPORTMULTITHTTP_17_130: [ IoTHubTransportHttp_Create shall allocate memory for the handle. ]/
Azure.IoT Build	19:d4f9e872bf3e	807	result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
Azure.IoT Build	19:d4f9e872bf3e	808	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	809	{
Azure.IoT Build	19:d4f9e872bf3e	810	/Codes_SRS_TRANSPORTMULTITHTTP_17_131: [ If allocation fails, IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	811	LogError("unable to malloc");
Azure.IoT Build	19:d4f9e872bf3e	812	}
Azure.IoT Build	19:d4f9e872bf3e	813	else
Azure.IoT Build	19:d4f9e872bf3e	814	{
Azure.IoT Build	19:d4f9e872bf3e	815	bool was_hostName_ok = create_hostName(result, config);
Azure.IoT Build	19:d4f9e872bf3e	816	bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
Azure.IoT Build	19:d4f9e872bf3e	817	bool was_perDeviceList_ok = was_httpApiExHandle_ok && create_perDeviceList(result);
Azure.IoT Build	13:848d52f93daf	818
AzureIoTClient	6:73793bae15ba	819
Azure.IoT Build	19:d4f9e872bf3e	820	if (was_perDeviceList_ok)
Azure.IoT Build	19:d4f9e872bf3e	821	{
Azure.IoT Build	19:d4f9e872bf3e	822	/Codes_SRS_TRANSPORTMULTITHTTP_17_011: [ Otherwise, IoTHubTransportHttp_Create shall succeed and return a non-NULL value. ]/
Azure.IoT Build	19:d4f9e872bf3e	823	result->doBatchedTransfers = false;
Azure.IoT Build	19:d4f9e872bf3e	824	result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
Azure.IoT Build	19:d4f9e872bf3e	825	}
Azure.IoT Build	19:d4f9e872bf3e	826	else
Azure.IoT Build	19:d4f9e872bf3e	827	{
Azure.IoT Build	19:d4f9e872bf3e	828	if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
Azure.IoT Build	19:d4f9e872bf3e	829	if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient	6:73793bae15ba	830
Azure.IoT Build	19:d4f9e872bf3e	831	free(result);
Azure.IoT Build	19:d4f9e872bf3e	832	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	833	}
Azure.IoT Build	19:d4f9e872bf3e	834	}
Azure.IoT Build	19:d4f9e872bf3e	835	}
Azure.IoT Build	19:d4f9e872bf3e	836	return result;
AzureIoTClient	6:73793bae15ba	837	}
AzureIoTClient	6:73793bae15ba	838
AzureIoTClient	18:ab990f6aa61f	839	static void IoTHubTransportHttp_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	6:73793bae15ba	840	{
Azure.IoT Build	19:d4f9e872bf3e	841	/Codes_SRS_TRANSPORTMULTITHTTP_17_012: [ IoTHubTransportHttp_Destroy shall do nothing is handle is NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	842	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	843	{
Azure.IoT Build	19:d4f9e872bf3e	844	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	845	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	846
Azure.IoT Build	19:d4f9e872bf3e	847	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	848
Azure.IoT Build	19:d4f9e872bf3e	849	/Codes_SRS_TRANSPORTMULTITHTTP_17_013: [ Otherwise, IoTHubTransportHttp_Destroy shall free all the resources currently in use. ]/
Azure.IoT Build	19:d4f9e872bf3e	850	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	851	{
AzureIoTClient	22:e0add922c564	852	listItem = (IOTHUB_DEVICE_HANDLE *) VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	19:d4f9e872bf3e	853	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	854	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	855	free(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	856	}
Azure.IoT Build	13:848d52f93daf	857
AzureIoTClient	22:e0add922c564	858	destroy_hostName((HTTPTRANSPORT_HANDLE_DATA *) handle);
AzureIoTClient	22:e0add922c564	859	destroy_httpApiExHandle((HTTPTRANSPORT_HANDLE_DATA *) handle);
AzureIoTClient	22:e0add922c564	860	destroy_perDeviceList((HTTPTRANSPORT_HANDLE_DATA *)handle);
Azure.IoT Build	19:d4f9e872bf3e	861	free(handle);
Azure.IoT Build	19:d4f9e872bf3e	862	}
AzureIoTClient	6:73793bae15ba	863	}
AzureIoTClient	6:73793bae15ba	864
AzureIoTClient	18:ab990f6aa61f	865	static int IoTHubTransportHttp_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	866	{
Azure.IoT Build	19:d4f9e872bf3e	867	int result;
Azure.IoT Build	19:d4f9e872bf3e	868	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	869	{
Azure.IoT Build	19:d4f9e872bf3e	870	/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	871	LogError("invalid arg passed to IoTHubTransportHttp_Subscribe");
AzureIoTClient	28:f57de550d450	872	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	873	}
Azure.IoT Build	19:d4f9e872bf3e	874	else
Azure.IoT Build	19:d4f9e872bf3e	875	{
Azure.IoT Build	19:d4f9e872bf3e	876	/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	877	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	878
Azure.IoT Build	19:d4f9e872bf3e	879	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	880	{
Azure.IoT Build	19:d4f9e872bf3e	881	/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	882	LogError("did not find device in transport handle");
AzureIoTClient	28:f57de550d450	883	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	884	}
Azure.IoT Build	19:d4f9e872bf3e	885	else
Azure.IoT Build	19:d4f9e872bf3e	886	{
Azure.IoT Build	19:d4f9e872bf3e	887	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem;
Azure.IoT Build	13:848d52f93daf	888
Azure.IoT Build	19:d4f9e872bf3e	889	perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	890	/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	891	perDeviceItem->DoWork_PullMessage = true;
Azure.IoT Build	19:d4f9e872bf3e	892	}
Azure.IoT Build	19:d4f9e872bf3e	893	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	894	}
Azure.IoT Build	19:d4f9e872bf3e	895	return result;
AzureIoTClient	6:73793bae15ba	896	}
AzureIoTClient	6:73793bae15ba	897
AzureIoTClient	18:ab990f6aa61f	898	static void IoTHubTransportHttp_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	899	{
Azure.IoT Build	19:d4f9e872bf3e	900	/Codes_SRS_TRANSPORTMULTITHTTP_17_107: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Unsubscribe shall fail do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	901	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	902	{
Azure.IoT Build	19:d4f9e872bf3e	903	/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	904	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	905	/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	906	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	907	{
Azure.IoT Build	19:d4f9e872bf3e	908	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	909	/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	910	perDeviceItem->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	911	}
Azure.IoT Build	19:d4f9e872bf3e	912	else
Azure.IoT Build	19:d4f9e872bf3e	913	{
Azure.IoT Build	19:d4f9e872bf3e	914	LogError("Device not found to unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	915	}
Azure.IoT Build	19:d4f9e872bf3e	916	}
Azure.IoT Build	19:d4f9e872bf3e	917	else
Azure.IoT Build	19:d4f9e872bf3e	918	{
Azure.IoT Build	19:d4f9e872bf3e	919	LogError("Null handle passed to Unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	920	}
AzureIoTClient	6:73793bae15ba	921	}
AzureIoTClient	6:73793bae15ba	922
AzureIoTClient	25:3a68a581d3f9	923	static int IoTHubTransportHttp_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	924	{
AzureIoTClient	25:3a68a581d3f9	925	/Codes_SRS_TRANSPORTMULTITHTTP_02_003: [ IoTHubTransportHttp_Subscribe_DeviceTwin shall return a non-zero value. ]/
AzureIoTClient	25:3a68a581d3f9	926	(void)handle;
AzureIoTClient	28:f57de550d450	927	int result = __FAILURE__;
AzureIoTClient	25:3a68a581d3f9	928	LogError("IoTHubTransportHttp_Subscribe_DeviceTwin Not supported");
AzureIoTClient	25:3a68a581d3f9	929	return result;
AzureIoTClient	25:3a68a581d3f9	930	}
AzureIoTClient	25:3a68a581d3f9	931
AzureIoTClient	25:3a68a581d3f9	932	static void IoTHubTransportHttp_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	933	{
AzureIoTClient	25:3a68a581d3f9	934	(void)handle;
AzureIoTClient	25:3a68a581d3f9	935	/Codes_SRS_TRANSPORTMULTITHTTP_02_004: [ IoTHubTransportHttp_Unsubscribe_DeviceTwin shall return ]/
AzureIoTClient	25:3a68a581d3f9	936	LogError("IoTHubTransportHttp_Unsubscribe_DeviceTwin Not supported");
AzureIoTClient	25:3a68a581d3f9	937	}
AzureIoTClient	25:3a68a581d3f9	938
AzureIoTClient	25:3a68a581d3f9	939	static int IoTHubTransportHttp_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	940	{
AzureIoTClient	25:3a68a581d3f9	941	(void)handle;
AzureIoTClient	28:f57de550d450	942	int result = __FAILURE__;
AzureIoTClient	25:3a68a581d3f9	943	LogError("not implemented (yet)");
AzureIoTClient	25:3a68a581d3f9	944	return result;
AzureIoTClient	25:3a68a581d3f9	945	}
AzureIoTClient	25:3a68a581d3f9	946
AzureIoTClient	25:3a68a581d3f9	947	static void IoTHubTransportHttp_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	948	{
AzureIoTClient	25:3a68a581d3f9	949	(void)handle;
AzureIoTClient	25:3a68a581d3f9	950	LogError("not implemented (yet)");
AzureIoTClient	25:3a68a581d3f9	951	}
AzureIoTClient	25:3a68a581d3f9	952
AzureIoTClient	26:aeabbfa5181a	953	static int IoTHubTransportHttp_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t response_size, int status_response)
AzureIoTClient	26:aeabbfa5181a	954	{
AzureIoTClient	26:aeabbfa5181a	955	(void)handle;
AzureIoTClient	26:aeabbfa5181a	956	(void)methodId;
AzureIoTClient	26:aeabbfa5181a	957	(void)response;
AzureIoTClient	26:aeabbfa5181a	958	(void)response_size;
AzureIoTClient	26:aeabbfa5181a	959	(void)status_response;
AzureIoTClient	26:aeabbfa5181a	960	LogError("not implemented (yet)");
AzureIoTClient	28:f57de550d450	961	return __FAILURE__;
AzureIoTClient	26:aeabbfa5181a	962	}
AzureIoTClient	26:aeabbfa5181a	963
AzureIoTClient	6:73793bae15ba	964	/produces a representation of the properties, if they exist/
AzureIoTClient	6:73793bae15ba	965	/if they do not exist, produces ""/
AzureIoTClient	6:73793bae15ba	966	static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient	6:73793bae15ba	967	{
Azure.IoT Build	19:d4f9e872bf3e	968	int result;
Azure.IoT Build	19:d4f9e872bf3e	969	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	970	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	971	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	972	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	973	{
AzureIoTClient	28:f57de550d450	974	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	975	LogError("error while Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	976	}
Azure.IoT Build	19:d4f9e872bf3e	977	else
Azure.IoT Build	19:d4f9e872bf3e	978	{
AzureIoTClient	6:73793bae15ba	979
Azure.IoT Build	19:d4f9e872bf3e	980	if (count == 0)
Azure.IoT Build	19:d4f9e872bf3e	981	{
Azure.IoT Build	19:d4f9e872bf3e	982	/Codes_SRS_TRANSPORTMULTITHTTP_17_064: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload/
Azure.IoT Build	19:d4f9e872bf3e	983	/no properties - do nothing with existing/
Azure.IoT Build	19:d4f9e872bf3e	984	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	985	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	986	}
Azure.IoT Build	19:d4f9e872bf3e	987	else
Azure.IoT Build	19:d4f9e872bf3e	988	{
Azure.IoT Build	19:d4f9e872bf3e	989	/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	990	if (STRING_concat(existing, ",\"properties\":") != 0)
Azure.IoT Build	19:d4f9e872bf3e	991	{
Azure.IoT Build	19:d4f9e872bf3e	992	/go ahead and return it/
AzureIoTClient	28:f57de550d450	993	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	994	LogError("failed STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	995	}
Azure.IoT Build	19:d4f9e872bf3e	996	else if (appendMapToJSON(existing, keys, values, count) != 0)
Azure.IoT Build	19:d4f9e872bf3e	997	{
AzureIoTClient	28:f57de550d450	998	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	999	LogError("unable to append the properties");
Azure.IoT Build	19:d4f9e872bf3e	1000	}
Azure.IoT Build	19:d4f9e872bf3e	1001	else
Azure.IoT Build	19:d4f9e872bf3e	1002	{
Azure.IoT Build	19:d4f9e872bf3e	1003	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1004	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1005	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	1006	for (i = 0;i < count;i++)
Azure.IoT Build	19:d4f9e872bf3e	1007	{
Azure.IoT Build	19:d4f9e872bf3e	1008	/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	1009	*propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	1010	}
Azure.IoT Build	19:d4f9e872bf3e	1011	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1012	}
Azure.IoT Build	19:d4f9e872bf3e	1013	}
Azure.IoT Build	19:d4f9e872bf3e	1014	}
Azure.IoT Build	19:d4f9e872bf3e	1015	return result;
AzureIoTClient	6:73793bae15ba	1016	}
AzureIoTClient	6:73793bae15ba	1017
AzureIoTClient	6:73793bae15ba	1018	/produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}/
AzureIoTClient	6:73793bae15ba	1019	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	1020	{
Azure.IoT Build	19:d4f9e872bf3e	1021	int result;
Azure.IoT Build	19:d4f9e872bf3e	1022	if (STRING_concat(existing, "{") != 0)
Azure.IoT Build	19:d4f9e872bf3e	1023	{
Azure.IoT Build	19:d4f9e872bf3e	1024	/go on and return it/
Azure.IoT Build	19:d4f9e872bf3e	1025	LogError("STRING_construct failed");
AzureIoTClient	28:f57de550d450	1026	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1027	}
Azure.IoT Build	19:d4f9e872bf3e	1028	else
Azure.IoT Build	19:d4f9e872bf3e	1029	{
Azure.IoT Build	19:d4f9e872bf3e	1030	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1031	for (i = 0; i < count; i++)
Azure.IoT Build	19:d4f9e872bf3e	1032	{
Azure.IoT Build	19:d4f9e872bf3e	1033	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1034	(STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1035	(STRING_concat(existing, keys[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1036	(STRING_concat(existing, "\":\"") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1037	(STRING_concat(existing, values[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1038	(STRING_concat(existing, "\"") == 0)
Azure.IoT Build	19:d4f9e872bf3e	1039	))
Azure.IoT Build	19:d4f9e872bf3e	1040	{
Azure.IoT Build	19:d4f9e872bf3e	1041	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1042	break;
Azure.IoT Build	19:d4f9e872bf3e	1043	}
Azure.IoT Build	19:d4f9e872bf3e	1044	}
AzureIoTClient	6:73793bae15ba	1045
Azure.IoT Build	19:d4f9e872bf3e	1046	if (i < count)
Azure.IoT Build	19:d4f9e872bf3e	1047	{
AzureIoTClient	28:f57de550d450	1048	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1049	/error, let it go through/
Azure.IoT Build	19:d4f9e872bf3e	1050	}
Azure.IoT Build	19:d4f9e872bf3e	1051	else if (STRING_concat(existing, "}") != 0)
Azure.IoT Build	19:d4f9e872bf3e	1052	{
Azure.IoT Build	19:d4f9e872bf3e	1053	LogError("unable to STRING_concat");
AzureIoTClient	28:f57de550d450	1054	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1055	}
Azure.IoT Build	19:d4f9e872bf3e	1056	else
Azure.IoT Build	19:d4f9e872bf3e	1057	{
Azure.IoT Build	19:d4f9e872bf3e	1058	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1059	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1060	}
Azure.IoT Build	19:d4f9e872bf3e	1061	}
Azure.IoT Build	19:d4f9e872bf3e	1062	return result;
AzureIoTClient	6:73793bae15ba	1063	}
AzureIoTClient	6:73793bae15ba	1064
AzureIoTClient	6:73793bae15ba	1065	/makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
AzureIoTClient	6:73793bae15ba	1066	/return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data/
AzureIoTClient	6:73793bae15ba	1067	static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient	6:73793bae15ba	1068	{
Azure.IoT Build	19:d4f9e872bf3e	1069	STRING_HANDLE result; /temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
Azure.IoT Build	19:d4f9e872bf3e	1070	IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1071	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	17:7ef88cde801f	1072
Azure.IoT Build	19:d4f9e872bf3e	1073	switch (contentType)
Azure.IoT Build	19:d4f9e872bf3e	1074	{
Azure.IoT Build	19:d4f9e872bf3e	1075	case IOTHUBMESSAGE_BYTEARRAY:
Azure.IoT Build	19:d4f9e872bf3e	1076	{
Azure.IoT Build	19:d4f9e872bf3e	1077	result = STRING_construct("{\"body\":\"");
Azure.IoT Build	19:d4f9e872bf3e	1078	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1079	{
Azure.IoT Build	19:d4f9e872bf3e	1080	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1081	}
Azure.IoT Build	19:d4f9e872bf3e	1082	else
Azure.IoT Build	19:d4f9e872bf3e	1083	{
Azure.IoT Build	19:d4f9e872bf3e	1084	const unsigned char* source;
Azure.IoT Build	19:d4f9e872bf3e	1085	size_t size;
AzureIoTClient	6:73793bae15ba	1086
Azure.IoT Build	19:d4f9e872bf3e	1087	if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1088	{
Azure.IoT Build	19:d4f9e872bf3e	1089	LogError("unable to get the data for the message.");
Azure.IoT Build	19:d4f9e872bf3e	1090	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1091	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1092	}
Azure.IoT Build	19:d4f9e872bf3e	1093	else
Azure.IoT Build	19:d4f9e872bf3e	1094	{
Azure.IoT Build	19:d4f9e872bf3e	1095	STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
Azure.IoT Build	19:d4f9e872bf3e	1096	if (encoded == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1097	{
Azure.IoT Build	19:d4f9e872bf3e	1098	LogError("unable to Base64_Encode_Bytes.");
Azure.IoT Build	19:d4f9e872bf3e	1099	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1100	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1101	}
Azure.IoT Build	19:d4f9e872bf3e	1102	else
Azure.IoT Build	19:d4f9e872bf3e	1103	{
Azure.IoT Build	19:d4f9e872bf3e	1104	size_t propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1105	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1106	(STRING_concat_with_STRING(result, encoded) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1107	(STRING_concat(result, "\"") == 0) && /\" because closing value/
Azure.IoT Build	19:d4f9e872bf3e	1108	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1109	(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	1110	))
Azure.IoT Build	19:d4f9e872bf3e	1111	{
Azure.IoT Build	19:d4f9e872bf3e	1112	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1113	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1114	LogError("unable to STRING_concat_with_STRING.");
Azure.IoT Build	19:d4f9e872bf3e	1115	}
Azure.IoT Build	19:d4f9e872bf3e	1116	else
Azure.IoT Build	19:d4f9e872bf3e	1117	{
Azure.IoT Build	19:d4f9e872bf3e	1118	/all is fine... /
Azure.IoT Build	19:d4f9e872bf3e	1119	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1120	*messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1121	}
Azure.IoT Build	19:d4f9e872bf3e	1122	STRING_delete(encoded);
Azure.IoT Build	19:d4f9e872bf3e	1123	}
Azure.IoT Build	19:d4f9e872bf3e	1124	}
Azure.IoT Build	19:d4f9e872bf3e	1125	}
Azure.IoT Build	19:d4f9e872bf3e	1126	break;
Azure.IoT Build	19:d4f9e872bf3e	1127	}
Azure.IoT Build	19:d4f9e872bf3e	1128	/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	1129	case IOTHUBMESSAGE_STRING:
Azure.IoT Build	19:d4f9e872bf3e	1130	{
Azure.IoT Build	19:d4f9e872bf3e	1131	result = STRING_construct("{\"body\":");
Azure.IoT Build	19:d4f9e872bf3e	1132	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1133	{
Azure.IoT Build	19:d4f9e872bf3e	1134	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1135	}
Azure.IoT Build	19:d4f9e872bf3e	1136	else
Azure.IoT Build	19:d4f9e872bf3e	1137	{
Azure.IoT Build	19:d4f9e872bf3e	1138	const char* source = IoTHubMessage_GetString(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1139	if (source == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1140	{
Azure.IoT Build	19:d4f9e872bf3e	1141	LogError("unable to IoTHubMessage_GetString");
Azure.IoT Build	19:d4f9e872bf3e	1142	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1143	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1144	}
Azure.IoT Build	19:d4f9e872bf3e	1145	else
Azure.IoT Build	19:d4f9e872bf3e	1146	{
Azure.IoT Build	19:d4f9e872bf3e	1147	STRING_HANDLE asJson = STRING_new_JSON(source);
Azure.IoT Build	19:d4f9e872bf3e	1148	if (asJson == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1149	{
Azure.IoT Build	19:d4f9e872bf3e	1150	LogError("unable to STRING_new_JSON");
Azure.IoT Build	19:d4f9e872bf3e	1151	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1152	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1153	}
Azure.IoT Build	19:d4f9e872bf3e	1154	else
Azure.IoT Build	19:d4f9e872bf3e	1155	{
Azure.IoT Build	19:d4f9e872bf3e	1156	size_t propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1157	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1158	(STRING_concat_with_STRING(result, asJson) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1159	(STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1160	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1161	(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	1162	))
Azure.IoT Build	19:d4f9e872bf3e	1163	{
Azure.IoT Build	19:d4f9e872bf3e	1164	LogError("unable to STRING_concat_with_STRING");
Azure.IoT Build	19:d4f9e872bf3e	1165	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1166	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1167	}
Azure.IoT Build	19:d4f9e872bf3e	1168	else
Azure.IoT Build	19:d4f9e872bf3e	1169	{
Azure.IoT Build	19:d4f9e872bf3e	1170	/result has the intended content/
Azure.IoT Build	19:d4f9e872bf3e	1171	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1172	*messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1173	}
Azure.IoT Build	19:d4f9e872bf3e	1174	STRING_delete(asJson);
Azure.IoT Build	19:d4f9e872bf3e	1175	}
Azure.IoT Build	19:d4f9e872bf3e	1176	}
Azure.IoT Build	19:d4f9e872bf3e	1177	}
Azure.IoT Build	19:d4f9e872bf3e	1178	break;
Azure.IoT Build	19:d4f9e872bf3e	1179	}
Azure.IoT Build	19:d4f9e872bf3e	1180	default:
Azure.IoT Build	19:d4f9e872bf3e	1181	{
Azure.IoT Build	19:d4f9e872bf3e	1182	LogError("an unknown message type was encountered (%d)", contentType);
Azure.IoT Build	19:d4f9e872bf3e	1183	result = NULL; /unknown message type/
Azure.IoT Build	19:d4f9e872bf3e	1184	break;
Azure.IoT Build	19:d4f9e872bf3e	1185	}
Azure.IoT Build	19:d4f9e872bf3e	1186	}
Azure.IoT Build	19:d4f9e872bf3e	1187	return result;
AzureIoTClient	6:73793bae15ba	1188	}
AzureIoTClient	6:73793bae15ba	1189
AzureIoTClient	6:73793bae15ba	1190	#define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient	6:73793bae15ba	1191	MAKE_PAYLOAD_OK, /returned when there is a payload to be later send by HTTP/ \
AzureIoTClient	6:73793bae15ba	1192	MAKE_PAYLOAD_NO_ITEMS, /returned when there are no items to be send/ \
AzureIoTClient	6:73793bae15ba	1193	MAKE_PAYLOAD_ERROR, /returned when there were errors/ \
AzureIoTClient	6:73793bae15ba	1194	MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /returned when the first item doesn't fit/
AzureIoTClient	6:73793bae15ba	1195
AzureIoTClient	6:73793bae15ba	1196	DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient	6:73793bae15ba	1197
AzureIoTClient	6:73793bae15ba	1198	/this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload/
Azure.IoT Build	13:848d52f93daf	1199	/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	1200	static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_PERDEVICE_DATA* deviceData, STRING_HANDLE* payload)
AzureIoTClient	6:73793bae15ba	1201	{
Azure.IoT Build	19:d4f9e872bf3e	1202	MAKE_PAYLOAD_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	1203	size_t allMessagesSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1204	*payload = STRING_construct("[");
Azure.IoT Build	19:d4f9e872bf3e	1205	if (*payload == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1206	{
Azure.IoT Build	19:d4f9e872bf3e	1207	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1208	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1209	}
Azure.IoT Build	19:d4f9e872bf3e	1210	else
Azure.IoT Build	19:d4f9e872bf3e	1211	{
Azure.IoT Build	19:d4f9e872bf3e	1212	bool isFirst = true;
Azure.IoT Build	19:d4f9e872bf3e	1213	PDLIST_ENTRY actual;
Azure.IoT Build	19:d4f9e872bf3e	1214	bool keepGoing = true; /keepGoing gets sometimes to false from within the loop/
Azure.IoT Build	19:d4f9e872bf3e	1215	/either all the items enter the list or only some/
Azure.IoT Build	19:d4f9e872bf3e	1216	result = MAKE_PAYLOAD_OK; /optimistically initializing it/
Azure.IoT Build	19:d4f9e872bf3e	1217	while (keepGoing && ((actual = deviceData->waitingToSend->Flink) != deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1218	{
Azure.IoT Build	19:d4f9e872bf3e	1219	size_t messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1220	STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
Azure.IoT Build	19:d4f9e872bf3e	1221	if (isFirst)
Azure.IoT Build	19:d4f9e872bf3e	1222	{
Azure.IoT Build	19:d4f9e872bf3e	1223	isFirst = false;
Azure.IoT Build	19:d4f9e872bf3e	1224	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1225	if (temp == NULL) /first item failed to create, nothing to send/
Azure.IoT Build	19:d4f9e872bf3e	1226	{
Azure.IoT Build	19:d4f9e872bf3e	1227	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1228	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1229	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1230	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1231	}
Azure.IoT Build	19:d4f9e872bf3e	1232	else
Azure.IoT Build	19:d4f9e872bf3e	1233	{
Azure.IoT Build	19:d4f9e872bf3e	1234	/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	1235	/Codes_SRS_TRANSPORTMULTITHTTP_17_061: [The message size shall be limited to 255KB - 1 byte.]/
Azure.IoT Build	19:d4f9e872bf3e	1236	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1237	{
Azure.IoT Build	19:d4f9e872bf3e	1238	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1239	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1240	result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
Azure.IoT Build	19:d4f9e872bf3e	1241	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1242	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1243	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1244	}
Azure.IoT Build	19:d4f9e872bf3e	1245	else
Azure.IoT Build	19:d4f9e872bf3e	1246	{
Azure.IoT Build	19:d4f9e872bf3e	1247	if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1248	{
Azure.IoT Build	19:d4f9e872bf3e	1249	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1250	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1251	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1252	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1253	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1254	}
Azure.IoT Build	19:d4f9e872bf3e	1255	else
Azure.IoT Build	19:d4f9e872bf3e	1256	{
Azure.IoT Build	19:d4f9e872bf3e	1257	/first item was put nicely in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1258	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1259	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1260	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1261	}
Azure.IoT Build	19:d4f9e872bf3e	1262	}
Azure.IoT Build	19:d4f9e872bf3e	1263	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1264	}
Azure.IoT Build	19:d4f9e872bf3e	1265	}
Azure.IoT Build	19:d4f9e872bf3e	1266	else
Azure.IoT Build	19:d4f9e872bf3e	1267	{
Azure.IoT Build	19:d4f9e872bf3e	1268	/there is at least 1 item already in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1269	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1270	{
Azure.IoT Build	19:d4f9e872bf3e	1271	/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	1272	/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	1273	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1274	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1275	}
Azure.IoT Build	19:d4f9e872bf3e	1276	else
Azure.IoT Build	19:d4f9e872bf3e	1277	{
Azure.IoT Build	19:d4f9e872bf3e	1278	if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1279	{
Azure.IoT Build	19:d4f9e872bf3e	1280	/this item doesn't make it to the payload, but the payload is valid so far/
Azure.IoT Build	19:d4f9e872bf3e	1281	/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	1282	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1283	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1284	}
Azure.IoT Build	19:d4f9e872bf3e	1285	else if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1286	{
Azure.IoT Build	19:d4f9e872bf3e	1287	/should still send what there is so far.../
Azure.IoT Build	19:d4f9e872bf3e	1288	/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	1289	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1290	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1291	}
Azure.IoT Build	19:d4f9e872bf3e	1292	else
Azure.IoT Build	19:d4f9e872bf3e	1293	{
Azure.IoT Build	19:d4f9e872bf3e	1294	/cool, the payload made it there, let's continue... /
Azure.IoT Build	19:d4f9e872bf3e	1295	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1296	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1297	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1298	}
Azure.IoT Build	19:d4f9e872bf3e	1299	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1300	}
Azure.IoT Build	19:d4f9e872bf3e	1301	}
Azure.IoT Build	19:d4f9e872bf3e	1302	}
AzureIoTClient	6:73793bae15ba	1303
Azure.IoT Build	19:d4f9e872bf3e	1304	/closing the payload/
Azure.IoT Build	19:d4f9e872bf3e	1305	if (result == MAKE_PAYLOAD_OK)
Azure.IoT Build	19:d4f9e872bf3e	1306	{
Azure.IoT Build	19:d4f9e872bf3e	1307	((char)STRING_c_str(payload))[STRING_length(payload) - 1] = ']'; /TODO - do this in STRING_HANDLE*/
Azure.IoT Build	19:d4f9e872bf3e	1308	}
Azure.IoT Build	19:d4f9e872bf3e	1309	else
Azure.IoT Build	19:d4f9e872bf3e	1310	{
Azure.IoT Build	19:d4f9e872bf3e	1311	/no need to close anything/
Azure.IoT Build	19:d4f9e872bf3e	1312	}
Azure.IoT Build	19:d4f9e872bf3e	1313	}
Azure.IoT Build	19:d4f9e872bf3e	1314	return result;
AzureIoTClient	6:73793bae15ba	1315	}
AzureIoTClient	6:73793bae15ba	1316
AzureIoTClient	6:73793bae15ba	1317	static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient	6:73793bae15ba	1318	{
Azure.IoT Build	19:d4f9e872bf3e	1319	/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	1320	DList_AppendTailList(destination->Flink, source);
Azure.IoT Build	19:d4f9e872bf3e	1321	DList_RemoveEntryList(source);
Azure.IoT Build	19:d4f9e872bf3e	1322	DList_InitializeListHead(source);
AzureIoTClient	6:73793bae15ba	1323	}
AzureIoTClient	6:73793bae15ba	1324
Azure.IoT Build	13:848d52f93daf	1325	static void DoEvent(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1326	{
Azure.IoT Build	13:848d52f93daf	1327
Azure.IoT Build	19:d4f9e872bf3e	1328	if (DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1329	{
Azure.IoT Build	19:d4f9e872bf3e	1330	/Codes_SRS_TRANSPORTMULTITHTTP_17_060: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] /
Azure.IoT Build	19:d4f9e872bf3e	1331	}
Azure.IoT Build	19:d4f9e872bf3e	1332	else
Azure.IoT Build	19:d4f9e872bf3e	1333	{
Azure.IoT Build	19:d4f9e872bf3e	1334	/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	1335	if (handleData->doBatchedTransfers)
Azure.IoT Build	19:d4f9e872bf3e	1336	{
Azure.IoT Build	19:d4f9e872bf3e	1337	/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	1338	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1339	{
Azure.IoT Build	19:d4f9e872bf3e	1340	/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	1341	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1342	}
Azure.IoT Build	19:d4f9e872bf3e	1343	else
Azure.IoT Build	19:d4f9e872bf3e	1344	{
Azure.IoT Build	19:d4f9e872bf3e	1345	/Codes_SRS_TRANSPORTMULTITHTTP_17_059: [It shall inspect the "waitingToSend" DLIST passed in config structure.] /
Azure.IoT Build	19:d4f9e872bf3e	1346	STRING_HANDLE payload;
Azure.IoT Build	19:d4f9e872bf3e	1347	switch (makePayload(deviceData, &payload))
Azure.IoT Build	19:d4f9e872bf3e	1348	{
Azure.IoT Build	19:d4f9e872bf3e	1349	case MAKE_PAYLOAD_OK:
Azure.IoT Build	19:d4f9e872bf3e	1350	{
Azure.IoT Build	19:d4f9e872bf3e	1351	/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	1352	BUFFER_HANDLE temp = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1353	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1354	{
Azure.IoT Build	19:d4f9e872bf3e	1355	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1356	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1357	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1358	}
Azure.IoT Build	19:d4f9e872bf3e	1359	else
Azure.IoT Build	19:d4f9e872bf3e	1360	{
Azure.IoT Build	19:d4f9e872bf3e	1361	if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1362	{
Azure.IoT Build	19:d4f9e872bf3e	1363	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1364	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1365	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1366	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1367	}
Azure.IoT Build	19:d4f9e872bf3e	1368	else
Azure.IoT Build	19:d4f9e872bf3e	1369	{
Azure.IoT Build	19:d4f9e872bf3e	1370	unsigned int statusCode;
AzureIoTClient	25:3a68a581d3f9	1371	if (HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1372	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1373	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1374	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1375	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1376	deviceData->eventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1377	temp,
Azure.IoT Build	19:d4f9e872bf3e	1378	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1379	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1380	NULL
AzureIoTClient	25:3a68a581d3f9	1381	) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1382	{
Azure.IoT Build	19:d4f9e872bf3e	1383	LogError("unable to HTTPAPIEX_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1384	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1385	/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	1386	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1387	}
Azure.IoT Build	19:d4f9e872bf3e	1388	else
Azure.IoT Build	19:d4f9e872bf3e	1389	{
Azure.IoT Build	19:d4f9e872bf3e	1390	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1391	{
Azure.IoT Build	19:d4f9e872bf3e	1392	/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	1393	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK);
Azure.IoT Build	19:d4f9e872bf3e	1394	}
Azure.IoT Build	19:d4f9e872bf3e	1395	else
Azure.IoT Build	19:d4f9e872bf3e	1396	{
Azure.IoT Build	19:d4f9e872bf3e	1397	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1398	/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	1399	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1400	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1401	}
Azure.IoT Build	19:d4f9e872bf3e	1402	}
Azure.IoT Build	19:d4f9e872bf3e	1403	}
Azure.IoT Build	19:d4f9e872bf3e	1404	BUFFER_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1405	}
Azure.IoT Build	19:d4f9e872bf3e	1406	STRING_delete(payload);
Azure.IoT Build	19:d4f9e872bf3e	1407	break;
Azure.IoT Build	19:d4f9e872bf3e	1408	}
Azure.IoT Build	19:d4f9e872bf3e	1409	case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
Azure.IoT Build	19:d4f9e872bf3e	1410	{
Azure.IoT Build	19:d4f9e872bf3e	1411	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1412	break;
Azure.IoT Build	19:d4f9e872bf3e	1413	}
Azure.IoT Build	19:d4f9e872bf3e	1414	case MAKE_PAYLOAD_ERROR:
Azure.IoT Build	19:d4f9e872bf3e	1415	{
Azure.IoT Build	19:d4f9e872bf3e	1416	LogError("unrecoverable errors while building a batch message");
Azure.IoT Build	19:d4f9e872bf3e	1417	break;
Azure.IoT Build	19:d4f9e872bf3e	1418	}
Azure.IoT Build	19:d4f9e872bf3e	1419	case MAKE_PAYLOAD_NO_ITEMS:
Azure.IoT Build	19:d4f9e872bf3e	1420	{
Azure.IoT Build	19:d4f9e872bf3e	1421	/do nothing/
Azure.IoT Build	19:d4f9e872bf3e	1422	break;
Azure.IoT Build	19:d4f9e872bf3e	1423	}
Azure.IoT Build	19:d4f9e872bf3e	1424	default:
Azure.IoT Build	19:d4f9e872bf3e	1425	{
Azure.IoT Build	19:d4f9e872bf3e	1426	LogError("internal error: switch's default branch reached when never intended");
Azure.IoT Build	19:d4f9e872bf3e	1427	break;
Azure.IoT Build	19:d4f9e872bf3e	1428	}
Azure.IoT Build	19:d4f9e872bf3e	1429	}
Azure.IoT Build	19:d4f9e872bf3e	1430	}
Azure.IoT Build	19:d4f9e872bf3e	1431	}
Azure.IoT Build	19:d4f9e872bf3e	1432	else
Azure.IoT Build	19:d4f9e872bf3e	1433	{
Azure.IoT Build	19:d4f9e872bf3e	1434	const unsigned char* messageContent=NULL;
Azure.IoT Build	19:d4f9e872bf3e	1435	size_t messageSize=0;
Azure.IoT Build	19:d4f9e872bf3e	1436	size_t originalMessageSize=0;
Azure.IoT Build	19:d4f9e872bf3e	1437	IOTHUB_MESSAGE_LIST* message = containingRecord(deviceData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1438	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1439
Azure.IoT Build	19:d4f9e872bf3e	1440	/Codes_SRS_TRANSPORTMULTITHTTP_17_073: [The message size is computed from the length of the payload + 384.]/
Azure.IoT Build	19:d4f9e872bf3e	1441	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1442	(((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
Azure.IoT Build	19:d4f9e872bf3e	1443	(IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize)==IOTHUB_MESSAGE_OK)) ? (messageSize= originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD, 1): 0)
AzureIoTClient	17:7ef88cde801f	1444
Azure.IoT Build	19:d4f9e872bf3e	1445	\|\|
AzureIoTClient	6:73793bae15ba	1446
Azure.IoT Build	19:d4f9e872bf3e	1447	((contentType == IOTHUBMESSAGE_STRING) && (
Azure.IoT Build	19:d4f9e872bf3e	1448	messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle),
Azure.IoT Build	19:d4f9e872bf3e	1449	(messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)?0:strlen((const char*)messageContent)))),
Azure.IoT Build	19:d4f9e872bf3e	1450	messageContent!=NULL)
Azure.IoT Build	19:d4f9e872bf3e	1451	)
Azure.IoT Build	19:d4f9e872bf3e	1452	))
Azure.IoT Build	19:d4f9e872bf3e	1453	{
Azure.IoT Build	19:d4f9e872bf3e	1454	LogError("unable to get the message content");
Azure.IoT Build	19:d4f9e872bf3e	1455	/go on.../
Azure.IoT Build	19:d4f9e872bf3e	1456	}
Azure.IoT Build	19:d4f9e872bf3e	1457	else
Azure.IoT Build	19:d4f9e872bf3e	1458	{
Azure.IoT Build	19:d4f9e872bf3e	1459	/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	1460	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1461	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1462	{
Azure.IoT Build	19:d4f9e872bf3e	1463	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1464	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1465	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1466	}
Azure.IoT Build	19:d4f9e872bf3e	1467	else
Azure.IoT Build	19:d4f9e872bf3e	1468	{
Azure.IoT Build	19:d4f9e872bf3e	1469	/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	1470	/Codes_SRS_TRANSPORTMULTITHTTP_17_076: [A clone of the event HTTP request headers shall be created.]/
Azure.IoT Build	19:d4f9e872bf3e	1471	HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(deviceData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1472	if (clonedEventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1473	{
Azure.IoT Build	19:d4f9e872bf3e	1474	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1475	LogError("HTTPHeaders_Clone failed");
Azure.IoT Build	19:d4f9e872bf3e	1476	}
Azure.IoT Build	19:d4f9e872bf3e	1477	else
Azure.IoT Build	19:d4f9e872bf3e	1478	{
Azure.IoT Build	19:d4f9e872bf3e	1479	/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	1480	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1481	{
Azure.IoT Build	19:d4f9e872bf3e	1482	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1483	LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed");
Azure.IoT Build	19:d4f9e872bf3e	1484	}
Azure.IoT Build	19:d4f9e872bf3e	1485	else
Azure.IoT Build	19:d4f9e872bf3e	1486	{
Azure.IoT Build	19:d4f9e872bf3e	1487	/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	1488	MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1489	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	1490	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	1491	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	1492	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	1493	{
Azure.IoT Build	19:d4f9e872bf3e	1494	/Codes_SRS_TRANSPORTMULTITHTTP_17_078: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1495	LogError("unable to Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	1496	}
Azure.IoT Build	19:d4f9e872bf3e	1497	else
Azure.IoT Build	19:d4f9e872bf3e	1498	{
Azure.IoT Build	19:d4f9e872bf3e	1499	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1500	bool goOn = true;
Azure.IoT Build	19:d4f9e872bf3e	1501	const char* msgId;
Azure.IoT Build	19:d4f9e872bf3e	1502	const char* corrId;
AzureIoTClient	17:7ef88cde801f	1503
Azure.IoT Build	19:d4f9e872bf3e	1504	for (i = 0; (i < count) && goOn; i++)
Azure.IoT Build	19:d4f9e872bf3e	1505	{
Azure.IoT Build	19:d4f9e872bf3e	1506	/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	1507	messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	1508	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1509	{
Azure.IoT Build	19:d4f9e872bf3e	1510	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1511	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1512	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1513	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1514	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1515	}
Azure.IoT Build	19:d4f9e872bf3e	1516	else
Azure.IoT Build	19:d4f9e872bf3e	1517	{
Azure.IoT Build	19:d4f9e872bf3e	1518	STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
Azure.IoT Build	19:d4f9e872bf3e	1519	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1520	{
Azure.IoT Build	19:d4f9e872bf3e	1521	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1522	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1523	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1524	}
Azure.IoT Build	19:d4f9e872bf3e	1525	else
Azure.IoT Build	19:d4f9e872bf3e	1526	{
Azure.IoT Build	19:d4f9e872bf3e	1527	if (STRING_concat(temp, keys[i]) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1528	{
Azure.IoT Build	19:d4f9e872bf3e	1529	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1530	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1531	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1532	}
Azure.IoT Build	19:d4f9e872bf3e	1533	else
Azure.IoT Build	19:d4f9e872bf3e	1534	{
Azure.IoT Build	19:d4f9e872bf3e	1535	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1536	{
Azure.IoT Build	19:d4f9e872bf3e	1537	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1538	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1539	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1540	}
Azure.IoT Build	19:d4f9e872bf3e	1541	}
Azure.IoT Build	19:d4f9e872bf3e	1542	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1543	}
Azure.IoT Build	19:d4f9e872bf3e	1544	}
Azure.IoT Build	19:d4f9e872bf3e	1545	}
AzureIoTClient	6:73793bae15ba	1546
Azure.IoT Build	19:d4f9e872bf3e	1547	// Add the Message Id and the Correlation Id
Azure.IoT Build	19:d4f9e872bf3e	1548	msgId = IoTHubMessage_GetMessageId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1549	if (goOn && msgId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1550	{
Azure.IoT Build	19:d4f9e872bf3e	1551	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_MESSAGE_ID, msgId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1552	{
Azure.IoT Build	19:d4f9e872bf3e	1553	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1554	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1555	}
Azure.IoT Build	19:d4f9e872bf3e	1556	}
AzureIoTClient	17:7ef88cde801f	1557
Azure.IoT Build	19:d4f9e872bf3e	1558	corrId = IoTHubMessage_GetCorrelationId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1559	if (goOn && corrId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1560	{
Azure.IoT Build	19:d4f9e872bf3e	1561	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CORRELATION_ID, corrId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1562	{
Azure.IoT Build	19:d4f9e872bf3e	1563	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1564	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1565	}
Azure.IoT Build	19:d4f9e872bf3e	1566	}
AzureIoTClient	7:48f0f78cd3ef	1567
Azure.IoT Build	19:d4f9e872bf3e	1568	if (!goOn)
Azure.IoT Build	19:d4f9e872bf3e	1569	{
Azure.IoT Build	19:d4f9e872bf3e	1570	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1571	}
Azure.IoT Build	19:d4f9e872bf3e	1572	else
Azure.IoT Build	19:d4f9e872bf3e	1573	{
Azure.IoT Build	19:d4f9e872bf3e	1574	BUFFER_HANDLE toBeSend = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1575	if (toBeSend == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1576	{
Azure.IoT Build	19:d4f9e872bf3e	1577	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1578	}
Azure.IoT Build	19:d4f9e872bf3e	1579	else
Azure.IoT Build	19:d4f9e872bf3e	1580	{
Azure.IoT Build	19:d4f9e872bf3e	1581	if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1582	{
Azure.IoT Build	19:d4f9e872bf3e	1583	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1584	}
Azure.IoT Build	19:d4f9e872bf3e	1585	else
Azure.IoT Build	19:d4f9e872bf3e	1586	{
AzureIoTClient	20:b652f2e4cccf	1587	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1588	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1589	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1590	{
Azure.IoT Build	19:d4f9e872bf3e	1591	/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	1592	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1593	{
Azure.IoT Build	19:d4f9e872bf3e	1594	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1595	/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	1596	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1597	}
AzureIoTClient	7:48f0f78cd3ef	1598
Azure.IoT Build	19:d4f9e872bf3e	1599	/Codes_SRS_TRANSPORTMULTITHTTP_03_003: [If a deviceSasToken exists, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_ExecuteRequest passing the following parameters] /
Azure.IoT Build	19:d4f9e872bf3e	1600	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1601	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1602	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1603	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1604	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1605	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1606	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1607	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1608	NULL
Azure.IoT Build	19:d4f9e872bf3e	1609	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1610	{
Azure.IoT Build	19:d4f9e872bf3e	1611	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1612	}
Azure.IoT Build	19:d4f9e872bf3e	1613	}
Azure.IoT Build	19:d4f9e872bf3e	1614	else
Azure.IoT Build	19:d4f9e872bf3e	1615	{
Azure.IoT Build	19:d4f9e872bf3e	1616	/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	1617	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1618	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1619	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1620	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1621	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1622	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1623	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1624	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1625	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1626	NULL
Azure.IoT Build	19:d4f9e872bf3e	1627	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1628	{
Azure.IoT Build	19:d4f9e872bf3e	1629	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1630	}
Azure.IoT Build	19:d4f9e872bf3e	1631	}
Azure.IoT Build	19:d4f9e872bf3e	1632	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1633	{
Azure.IoT Build	19:d4f9e872bf3e	1634	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1635	{
Azure.IoT Build	19:d4f9e872bf3e	1636	/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	1637	PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1638	DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
Azure.IoT Build	19:d4f9e872bf3e	1639	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1640	}
Azure.IoT Build	19:d4f9e872bf3e	1641	else
Azure.IoT Build	19:d4f9e872bf3e	1642	{
Azure.IoT Build	19:d4f9e872bf3e	1643	/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	1644	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1645	}
Azure.IoT Build	19:d4f9e872bf3e	1646	}
Azure.IoT Build	19:d4f9e872bf3e	1647	}
Azure.IoT Build	19:d4f9e872bf3e	1648	BUFFER_delete(toBeSend);
Azure.IoT Build	19:d4f9e872bf3e	1649	}
Azure.IoT Build	19:d4f9e872bf3e	1650	}
Azure.IoT Build	19:d4f9e872bf3e	1651	}
Azure.IoT Build	19:d4f9e872bf3e	1652	}
Azure.IoT Build	19:d4f9e872bf3e	1653	HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1654	}
Azure.IoT Build	19:d4f9e872bf3e	1655	}
Azure.IoT Build	19:d4f9e872bf3e	1656	}
Azure.IoT Build	19:d4f9e872bf3e	1657	}
Azure.IoT Build	19:d4f9e872bf3e	1658	}
AzureIoTClient	6:73793bae15ba	1659	}
AzureIoTClient	6:73793bae15ba	1660
AzureIoTClient	29:e44b1f827914	1661	static bool abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* ETag, IOTHUBMESSAGE_DISPOSITION_RESULT action)
AzureIoTClient	6:73793bae15ba	1662	{
Azure.IoT Build	19:d4f9e872bf3e	1663	/*Codes_SRS_TRANSPORTMULTITHTTP_17_097: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1664	-requestType: POST
AzureIoTClient	25:3a68a581d3f9	1665	-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14"
Azure.IoT Build	19:d4f9e872bf3e	1666	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1667	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1668	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1669	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1670	- statusCode: a pointer to unsigned int which might be examined for logging
Azure.IoT Build	19:d4f9e872bf3e	1671	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1672	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1673	/*Codes_SRS_TRANSPORTMULTITHTTP_17_099: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1674	-requestType: DELETE
AzureIoTClient	25:3a68a581d3f9	1675	-relativePath: abandon relative path begin + value of ETag + "?api-version=2016-11-14"
Azure.IoT Build	19:d4f9e872bf3e	1676	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1677	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1678	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1679	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1680	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1681	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1682	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1683	/*Codes_SRS_TRANSPORTMULTITHTTP_17_101: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1684	-requestType: DELETE
AzureIoTClient	25:3a68a581d3f9	1685	-relativePath: abandon relative path begin + value of ETag +"?api-version=2016-11-14" + "&reject"
Azure.IoT Build	19:d4f9e872bf3e	1686	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1687	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1688	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1689	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1690	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1691	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1692	- responseContent: NULL]*/
AzureIoTClient	17:7ef88cde801f	1693
AzureIoTClient	29:e44b1f827914	1694	bool result;
Azure.IoT Build	19:d4f9e872bf3e	1695	STRING_HANDLE fullAbandonRelativePath = STRING_clone(deviceData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	1696	if (fullAbandonRelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1697	{
Azure.IoT Build	19:d4f9e872bf3e	1698	/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	1699	/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	1700	/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	1701	LogError("unable to STRING_clone");
AzureIoTClient	29:e44b1f827914	1702	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1703	}
Azure.IoT Build	19:d4f9e872bf3e	1704	else
Azure.IoT Build	19:d4f9e872bf3e	1705	{
Azure.IoT Build	19:d4f9e872bf3e	1706	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	1707	if (ETagUnquoted == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1708	{
Azure.IoT Build	19:d4f9e872bf3e	1709	/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	1710	/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	1711	/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	1712	LogError("unable to STRING_construct_n");
AzureIoTClient	29:e44b1f827914	1713	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1714	}
Azure.IoT Build	19:d4f9e872bf3e	1715	else
Azure.IoT Build	19:d4f9e872bf3e	1716	{
Azure.IoT Build	19:d4f9e872bf3e	1717	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1718	(STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
AzureIoTClient	29:e44b1f827914	1719	(STRING_concat(fullAbandonRelativePath, (action == IOTHUBMESSAGE_ABANDONED) ? "/abandon" API_VERSION : ((action == IOTHUBMESSAGE_REJECTED) ? API_VERSION "&reject" : API_VERSION)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1720	))
Azure.IoT Build	19:d4f9e872bf3e	1721	{
Azure.IoT Build	19:d4f9e872bf3e	1722	/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	1723	/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	1724	/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	1725	LogError("unable to STRING_concat");
AzureIoTClient	29:e44b1f827914	1726	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1727	}
Azure.IoT Build	19:d4f9e872bf3e	1728	else
Azure.IoT Build	19:d4f9e872bf3e	1729	{
Azure.IoT Build	19:d4f9e872bf3e	1730	HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1731	if (abandonRequestHttpHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1732	{
Azure.IoT Build	19:d4f9e872bf3e	1733	/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	1734	/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	1735	/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	1736	LogError("unable to HTTPHeaders_Alloc");
AzureIoTClient	29:e44b1f827914	1737	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1738	}
Azure.IoT Build	19:d4f9e872bf3e	1739	else
Azure.IoT Build	19:d4f9e872bf3e	1740	{
Azure.IoT Build	19:d4f9e872bf3e	1741	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1742	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1743	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1744	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1745	))
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("unable to HTTPHeaders_AddHeaderNameValuePair");
AzureIoTClient	29:e44b1f827914	1751	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1752	}
Azure.IoT Build	19:d4f9e872bf3e	1753	else
Azure.IoT Build	19:d4f9e872bf3e	1754	{
AzureIoTClient	20:b652f2e4cccf	1755	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1756	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1757	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1758	{
Azure.IoT Build	19:d4f9e872bf3e	1759	/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	1760	if (HTTPHeaders_ReplaceHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1761	{
Azure.IoT Build	19:d4f9e872bf3e	1762	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1763	/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	1764	LogError("Unable to replace the old SAS Token.");
AzureIoTClient	29:e44b1f827914	1765	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1766	}
Azure.IoT Build	19:d4f9e872bf3e	1767	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1768	handleData->httpApiExHandle,
AzureIoTClient	29:e44b1f827914	1769	(action == IOTHUBMESSAGE_ABANDONED) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
AzureIoTClient	25:3a68a581d3f9	1770	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14" /
Azure.IoT Build	19:d4f9e872bf3e	1771	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1772	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1773	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1774	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1775	NULL /- responseContent: NULL] /
Azure.IoT Build	19:d4f9e872bf3e	1776	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1777	{
Azure.IoT Build	19:d4f9e872bf3e	1778	/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	1779	/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	1780	/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	1781	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
AzureIoTClient	29:e44b1f827914	1782	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1783	}
Azure.IoT Build	19:d4f9e872bf3e	1784	}
Azure.IoT Build	19:d4f9e872bf3e	1785	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1786	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1787	handleData->httpApiExHandle,
AzureIoTClient	29:e44b1f827914	1788	(action == IOTHUBMESSAGE_ABANDONED) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
AzureIoTClient	25:3a68a581d3f9	1789	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14" /
Azure.IoT Build	19:d4f9e872bf3e	1790	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1791	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1792	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1793	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1794	NULL /- responseContent: NULL] /
Azure.IoT Build	19:d4f9e872bf3e	1795	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1796	{
Azure.IoT Build	19:d4f9e872bf3e	1797	/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	1798	/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	1799	/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	1800	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
AzureIoTClient	29:e44b1f827914	1801	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1802	}
Azure.IoT Build	19:d4f9e872bf3e	1803	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1804	{
Azure.IoT Build	19:d4f9e872bf3e	1805	if (statusCode != 204)
Azure.IoT Build	19:d4f9e872bf3e	1806	{
Azure.IoT Build	19:d4f9e872bf3e	1807	/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	1808	/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	1809	/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	1810	LogError("unexpected status code returned %u (was expecting 204)", statusCode);
AzureIoTClient	29:e44b1f827914	1811	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1812	}
Azure.IoT Build	19:d4f9e872bf3e	1813	else
Azure.IoT Build	19:d4f9e872bf3e	1814	{
Azure.IoT Build	19:d4f9e872bf3e	1815	/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	1816	/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	1817	/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	1818	/all is fine/
AzureIoTClient	29:e44b1f827914	1819	result = true;
Azure.IoT Build	19:d4f9e872bf3e	1820	}
Azure.IoT Build	19:d4f9e872bf3e	1821	}
AzureIoTClient	29:e44b1f827914	1822	else
AzureIoTClient	29:e44b1f827914	1823	{
AzureIoTClient	29:e44b1f827914	1824	result = false;
AzureIoTClient	29:e44b1f827914	1825	}
Azure.IoT Build	19:d4f9e872bf3e	1826	}
Azure.IoT Build	19:d4f9e872bf3e	1827	HTTPHeaders_Free(abandonRequestHttpHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1828	}
Azure.IoT Build	19:d4f9e872bf3e	1829	}
Azure.IoT Build	19:d4f9e872bf3e	1830	STRING_delete(ETagUnquoted);
Azure.IoT Build	19:d4f9e872bf3e	1831	}
Azure.IoT Build	19:d4f9e872bf3e	1832	STRING_delete(fullAbandonRelativePath);
Azure.IoT Build	19:d4f9e872bf3e	1833	}
AzureIoTClient	29:e44b1f827914	1834	return result;
AzureIoTClient	29:e44b1f827914	1835	}
AzureIoTClient	29:e44b1f827914	1836
AzureIoTClient	29:e44b1f827914	1837	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
AzureIoTClient	29:e44b1f827914	1838	{
AzureIoTClient	29:e44b1f827914	1839	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	29:e44b1f827914	1840	if (message_data == NULL)
AzureIoTClient	29:e44b1f827914	1841	{
AzureIoTClient	29:e44b1f827914	1842	/* Codes_SRS_TRANSPORTMULTITHTTP_10_001: [If messageData is NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
AzureIoTClient	29:e44b1f827914	1843	LogError("invalid argument messageData is NULL");
AzureIoTClient	29:e44b1f827914	1844	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1845	}
AzureIoTClient	29:e44b1f827914	1846	else
AzureIoTClient	29:e44b1f827914	1847	{
AzureIoTClient	29:e44b1f827914	1848	if (message_data->messageHandle == NULL)
AzureIoTClient	29:e44b1f827914	1849	{
AzureIoTClient	29:e44b1f827914	1850	/* Codes_SRS_TRANSPORTMULTITHTTP_10_002: [If any of the messageData fields are NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
AzureIoTClient	29:e44b1f827914	1851	LogError("invalid message handle");
AzureIoTClient	29:e44b1f827914	1852	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1853	}
AzureIoTClient	29:e44b1f827914	1854	else
AzureIoTClient	29:e44b1f827914	1855	{
AzureIoTClient	29:e44b1f827914	1856	MESSAGE_DISPOSITION_CONTEXT* tc = (MESSAGE_DISPOSITION_CONTEXT*)(message_data->transportContext);
AzureIoTClient	29:e44b1f827914	1857	if (tc == NULL)
AzureIoTClient	29:e44b1f827914	1858	{
AzureIoTClient	29:e44b1f827914	1859	/* Codes_SRS_TRANSPORTMULTITHTTP_10_002: [If any of the messageData fields are NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
AzureIoTClient	29:e44b1f827914	1860	LogError("invalid transport context data");
AzureIoTClient	29:e44b1f827914	1861	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1862	}
AzureIoTClient	29:e44b1f827914	1863	else
AzureIoTClient	29:e44b1f827914	1864	{
AzureIoTClient	29:e44b1f827914	1865	if ((tc->handleData == NULL) \|\| (tc->deviceData == NULL) \|\| (tc->etagValue == NULL))
AzureIoTClient	29:e44b1f827914	1866	{
AzureIoTClient	29:e44b1f827914	1867	/* Codes_SRS_TRANSPORTMULTITHTTP_10_002: [If any of the messageData fields are NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
AzureIoTClient	29:e44b1f827914	1868	LogError("invalid transport context data");
AzureIoTClient	29:e44b1f827914	1869	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1870	}
AzureIoTClient	29:e44b1f827914	1871	else
AzureIoTClient	29:e44b1f827914	1872	{
AzureIoTClient	29:e44b1f827914	1873	if (abandonOrAcceptMessage(tc->handleData, tc->deviceData, tc->etagValue, disposition))
AzureIoTClient	29:e44b1f827914	1874	{
AzureIoTClient	29:e44b1f827914	1875	result = IOTHUB_CLIENT_OK;
AzureIoTClient	29:e44b1f827914	1876	}
AzureIoTClient	29:e44b1f827914	1877	else
AzureIoTClient	29:e44b1f827914	1878	{
AzureIoTClient	29:e44b1f827914	1879	/* Codes_SRS_TRANSPORTMULTITHTTP_10_003: [IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR if the POST message fails, otherwise return IOTHUB_CLIENT_OK.] */
AzureIoTClient	29:e44b1f827914	1880	LogError("HTTP Transport layer failed to report %s disposition", ENUM_TO_STRING(IOTHUBMESSAGE_DISPOSITION_RESULT, disposition));
AzureIoTClient	29:e44b1f827914	1881	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1882	}
AzureIoTClient	29:e44b1f827914	1883	}
AzureIoTClient	29:e44b1f827914	1884	free(tc->etagValue);
AzureIoTClient	29:e44b1f827914	1885	free(tc);
AzureIoTClient	29:e44b1f827914	1886	}
AzureIoTClient	29:e44b1f827914	1887	IoTHubMessage_Destroy(message_data->messageHandle);
AzureIoTClient	29:e44b1f827914	1888	}
AzureIoTClient	29:e44b1f827914	1889	free(message_data);
AzureIoTClient	29:e44b1f827914	1890	}
AzureIoTClient	29:e44b1f827914	1891	return result;
AzureIoTClient	29:e44b1f827914	1892	}
AzureIoTClient	29:e44b1f827914	1893
AzureIoTClient	29:e44b1f827914	1894	static MESSAGE_CALLBACK_INFO* MESSAGE_CALLBACK_INFO_Create(IOTHUB_MESSAGE_HANDLE received_message, HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* etagValue)
AzureIoTClient	29:e44b1f827914	1895	{
AzureIoTClient	29:e44b1f827914	1896	MESSAGE_CALLBACK_INFO* result = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
AzureIoTClient	29:e44b1f827914	1897	if (result == NULL)
AzureIoTClient	29:e44b1f827914	1898	{
AzureIoTClient	29:e44b1f827914	1899	/Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	1900	LogError("malloc failed");
AzureIoTClient	29:e44b1f827914	1901	}
AzureIoTClient	29:e44b1f827914	1902	else
AzureIoTClient	29:e44b1f827914	1903	{
AzureIoTClient	29:e44b1f827914	1904	MESSAGE_DISPOSITION_CONTEXT* tc = (MESSAGE_DISPOSITION_CONTEXT*)malloc(sizeof(MESSAGE_DISPOSITION_CONTEXT));
AzureIoTClient	29:e44b1f827914	1905	if (tc == NULL)
AzureIoTClient	29:e44b1f827914	1906	{
AzureIoTClient	29:e44b1f827914	1907	/Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	1908	LogError("malloc failed");
AzureIoTClient	29:e44b1f827914	1909	free(result);
AzureIoTClient	29:e44b1f827914	1910	result = NULL;
AzureIoTClient	29:e44b1f827914	1911	}
AzureIoTClient	29:e44b1f827914	1912	else
AzureIoTClient	29:e44b1f827914	1913	{
AzureIoTClient	29:e44b1f827914	1914	result->messageHandle = IoTHubMessage_Clone(received_message);
AzureIoTClient	29:e44b1f827914	1915	if (result->messageHandle == NULL)
AzureIoTClient	29:e44b1f827914	1916	{
AzureIoTClient	29:e44b1f827914	1917	/Codes_SRS_TRANSPORTMULTITHTTP_10_007: [If assembling a message clone, _DoWork shall "abandon" the message.]/
AzureIoTClient	29:e44b1f827914	1918	LogError("IoTHubMessage_Clone failed");
AzureIoTClient	29:e44b1f827914	1919	free(tc);
AzureIoTClient	29:e44b1f827914	1920	free(result);
AzureIoTClient	29:e44b1f827914	1921	result = NULL;
AzureIoTClient	29:e44b1f827914	1922	}
AzureIoTClient	29:e44b1f827914	1923	else
AzureIoTClient	29:e44b1f827914	1924	{
AzureIoTClient	29:e44b1f827914	1925	if (mallocAndStrcpy_s(&tc->etagValue, etagValue) != 0)
AzureIoTClient	29:e44b1f827914	1926	{
AzureIoTClient	29:e44b1f827914	1927	LogError("mallocAndStrcpy_s failed");
AzureIoTClient	29:e44b1f827914	1928	free(tc);
AzureIoTClient	29:e44b1f827914	1929	free(result);
AzureIoTClient	29:e44b1f827914	1930	result = NULL;
AzureIoTClient	29:e44b1f827914	1931	}
AzureIoTClient	29:e44b1f827914	1932	else
AzureIoTClient	29:e44b1f827914	1933	{
AzureIoTClient	29:e44b1f827914	1934	tc->handleData = handleData;
AzureIoTClient	29:e44b1f827914	1935	tc->deviceData = deviceData;
AzureIoTClient	29:e44b1f827914	1936
AzureIoTClient	29:e44b1f827914	1937	result->transportContext = tc;
AzureIoTClient	29:e44b1f827914	1938	}
AzureIoTClient	29:e44b1f827914	1939	}
AzureIoTClient	29:e44b1f827914	1940	}
AzureIoTClient	29:e44b1f827914	1941	}
AzureIoTClient	29:e44b1f827914	1942	return result;
AzureIoTClient	6:73793bae15ba	1943	}
AzureIoTClient	6:73793bae15ba	1944
Azure.IoT Build	13:848d52f93daf	1945	static void DoMessages(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1946	{
Azure.IoT Build	19:d4f9e872bf3e	1947	/Codes_SRS_TRANSPORTMULTITHTTP_17_083: [ If device is not subscribed then _DoWork shall advance to the next action. ] /
Azure.IoT Build	19:d4f9e872bf3e	1948	if (deviceData->DoWork_PullMessage)
Azure.IoT Build	19:d4f9e872bf3e	1949	{
Azure.IoT Build	19:d4f9e872bf3e	1950	/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	1951	/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	1952	/Codes_SRS_TRANSPORTMULTITHTTP_17_122: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] /
Azure.IoT Build	19:d4f9e872bf3e	1953	time_t timeNow = get_time(NULL);
Azure.IoT Build	19:d4f9e872bf3e	1954	bool isPollingAllowed = deviceData->isFirstPoll \|\| (timeNow == (time_t)(-1)) \|\| (get_difftime(timeNow, deviceData->lastPollTime) > handleData->getMinimumPollingTime);
Azure.IoT Build	19:d4f9e872bf3e	1955	if (isPollingAllowed)
Azure.IoT Build	19:d4f9e872bf3e	1956	{
Azure.IoT Build	19:d4f9e872bf3e	1957	HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1958	if (responseHTTPHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1959	{
Azure.IoT Build	19:d4f9e872bf3e	1960	/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	1961	LogError("unable to HTTPHeaders_Alloc");
Azure.IoT Build	19:d4f9e872bf3e	1962	}
Azure.IoT Build	19:d4f9e872bf3e	1963	else
Azure.IoT Build	19:d4f9e872bf3e	1964	{
Azure.IoT Build	19:d4f9e872bf3e	1965	BUFFER_HANDLE responseContent = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1966	if (responseContent == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1967	{
Azure.IoT Build	19:d4f9e872bf3e	1968	/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	1969	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1970	}
Azure.IoT Build	19:d4f9e872bf3e	1971	else
Azure.IoT Build	19:d4f9e872bf3e	1972	{
AzureIoTClient	20:b652f2e4cccf	1973	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1974	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1975	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1976	{
Azure.IoT Build	19:d4f9e872bf3e	1977	/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	1978	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->messageHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1979	{
Azure.IoT Build	19:d4f9e872bf3e	1980	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1981	/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	1982	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1983	}
Azure.IoT Build	19:d4f9e872bf3e	1984	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1985	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1986	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	1987	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	1988	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	1989	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	1990	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	1991	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	1992	responseContent /responseContent: a new instance of buffer/
Azure.IoT Build	19:d4f9e872bf3e	1993	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1994	{
Azure.IoT Build	19:d4f9e872bf3e	1995	/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	1996	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1997	}
Azure.IoT Build	19:d4f9e872bf3e	1998	}
AzureIoTClient	17:7ef88cde801f	1999
Azure.IoT Build	19:d4f9e872bf3e	2000	/*Codes_SRS_TRANSPORTMULTITHTTP_17_084: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
Azure.IoT Build	19:d4f9e872bf3e	2001	requestType: GET
Azure.IoT Build	19:d4f9e872bf3e	2002	relativePath: the message HTTP relative path
Azure.IoT Build	19:d4f9e872bf3e	2003	requestHttpHeadersHandle: message HTTP request headers created by _Create
Azure.IoT Build	19:d4f9e872bf3e	2004	requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	2005	statusCode: a pointer to unsigned int which shall be later examined
Azure.IoT Build	19:d4f9e872bf3e	2006	responseHeadearsHandle: a new instance of HTTP headers
Azure.IoT Build	19:d4f9e872bf3e	2007	responseContent: a new instance of buffer]
Azure.IoT Build	19:d4f9e872bf3e	2008	*/
Azure.IoT Build	19:d4f9e872bf3e	2009	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	2010	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	2011	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	2012	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	2013	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	2014	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	2015	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	2016	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	2017	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	2018	responseContent /responseContent: a new instance of buffer/
Azure.IoT Build	19:d4f9e872bf3e	2019	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2020	{
Azure.IoT Build	19:d4f9e872bf3e	2021	/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	2022	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	2023	}
Azure.IoT Build	19:d4f9e872bf3e	2024	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2025	{
Azure.IoT Build	19:d4f9e872bf3e	2026	/HTTP dialogue was succesfull/
Azure.IoT Build	19:d4f9e872bf3e	2027	if (timeNow == (time_t)(-1))
Azure.IoT Build	19:d4f9e872bf3e	2028	{
Azure.IoT Build	19:d4f9e872bf3e	2029	deviceData->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	2030	}
Azure.IoT Build	19:d4f9e872bf3e	2031	else
Azure.IoT Build	19:d4f9e872bf3e	2032	{
Azure.IoT Build	19:d4f9e872bf3e	2033	deviceData->isFirstPoll = false;
Azure.IoT Build	19:d4f9e872bf3e	2034	deviceData->lastPollTime = timeNow;
Azure.IoT Build	19:d4f9e872bf3e	2035	}
Azure.IoT Build	19:d4f9e872bf3e	2036	if (statusCode == 204)
Azure.IoT Build	19:d4f9e872bf3e	2037	{
Azure.IoT Build	19:d4f9e872bf3e	2038	/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	2039	/this is an expected status code, means "no commands", but logging that creates panic/
AzureIoTClient	6:73793bae15ba	2040
Azure.IoT Build	19:d4f9e872bf3e	2041	/do nothing, advance to next action/
Azure.IoT Build	19:d4f9e872bf3e	2042	}
Azure.IoT Build	19:d4f9e872bf3e	2043	else if (statusCode != 200)
Azure.IoT Build	19:d4f9e872bf3e	2044	{
Azure.IoT Build	19:d4f9e872bf3e	2045	/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	2046	LogError("expected status code was 200, but actually was received %u... moving on", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	2047	}
Azure.IoT Build	19:d4f9e872bf3e	2048	else
Azure.IoT Build	19:d4f9e872bf3e	2049	{
Azure.IoT Build	19:d4f9e872bf3e	2050	/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	2051	const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
Azure.IoT Build	19:d4f9e872bf3e	2052	if (etagValue == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2053	{
Azure.IoT Build	19:d4f9e872bf3e	2054	LogError("unable to find a received header called \"E-Tag\"");
Azure.IoT Build	19:d4f9e872bf3e	2055	}
Azure.IoT Build	19:d4f9e872bf3e	2056	else
Azure.IoT Build	19:d4f9e872bf3e	2057	{
Azure.IoT Build	19:d4f9e872bf3e	2058	/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	2059	size_t etagsize = strlen(etagValue);
Azure.IoT Build	19:d4f9e872bf3e	2060	if (
Azure.IoT Build	19:d4f9e872bf3e	2061	(etagsize < 2) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2062	(etagValue[0] != '"') \|\|
Azure.IoT Build	19:d4f9e872bf3e	2063	(etagValue[etagsize - 1] != '"')
Azure.IoT Build	19:d4f9e872bf3e	2064	)
Azure.IoT Build	19:d4f9e872bf3e	2065	{
Azure.IoT Build	19:d4f9e872bf3e	2066	LogError("ETag is not a valid quoted string");
Azure.IoT Build	19:d4f9e872bf3e	2067	}
Azure.IoT Build	19:d4f9e872bf3e	2068	else
Azure.IoT Build	19:d4f9e872bf3e	2069	{
Azure.IoT Build	19:d4f9e872bf3e	2070	/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	2071	IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(BUFFER_u_char(responseContent), BUFFER_length(responseContent));
Azure.IoT Build	19:d4f9e872bf3e	2072	if (receivedMessage == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2073	{
Azure.IoT Build	19:d4f9e872bf3e	2074	/Codes_SRS_TRANSPORTMULTITHTTP_17_092: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	2075	LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... ");
AzureIoTClient	29:e44b1f827914	2076	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2077	{
AzureIoTClient	29:e44b1f827914	2078	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2079	}
Azure.IoT Build	19:d4f9e872bf3e	2080	}
Azure.IoT Build	19:d4f9e872bf3e	2081	else
Azure.IoT Build	19:d4f9e872bf3e	2082	{
Azure.IoT Build	19:d4f9e872bf3e	2083	/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	2084	/Codes_SRS_TRANSPORTMULTITHTTP_17_091: [The HTTP header of iothub-messageid shall be set in the MessageId.]/
Azure.IoT Build	19:d4f9e872bf3e	2085	size_t nHeaders;
Azure.IoT Build	19:d4f9e872bf3e	2086	if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	2087	{
Azure.IoT Build	19:d4f9e872bf3e	2088	LogError("unable to get the count of HTTP headers");
AzureIoTClient	29:e44b1f827914	2089	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2090	{
AzureIoTClient	29:e44b1f827914	2091	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2092	}
Azure.IoT Build	19:d4f9e872bf3e	2093	}
Azure.IoT Build	19:d4f9e872bf3e	2094	else
Azure.IoT Build	19:d4f9e872bf3e	2095	{
Azure.IoT Build	19:d4f9e872bf3e	2096	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	2097	MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
Azure.IoT Build	19:d4f9e872bf3e	2098	for (i = 0; i < nHeaders; i++)
Azure.IoT Build	19:d4f9e872bf3e	2099	{
Azure.IoT Build	19:d4f9e872bf3e	2100	char* completeHeader;
Azure.IoT Build	19:d4f9e872bf3e	2101	if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	2102	{
Azure.IoT Build	19:d4f9e872bf3e	2103	break;
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	if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2108	{
Azure.IoT Build	19:d4f9e872bf3e	2109	/looks like a property headers/
Azure.IoT Build	19:d4f9e872bf3e	2110	/there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module/
Azure.IoT Build	19:d4f9e872bf3e	2111	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	2112	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2113	{
Azure.IoT Build	19:d4f9e872bf3e	2114	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	2115	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	2116	{
Azure.IoT Build	19:d4f9e872bf3e	2117	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2118	break;
Azure.IoT Build	19:d4f9e872bf3e	2119	}
Azure.IoT Build	19:d4f9e872bf3e	2120	}
Azure.IoT Build	19:d4f9e872bf3e	2121	}
Azure.IoT Build	19:d4f9e872bf3e	2122	else if (strncmp(IOTHUB_MESSAGE_ID, completeHeader, strlen(IOTHUB_MESSAGE_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2123	{
Azure.IoT Build	19:d4f9e872bf3e	2124	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	2125	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2126	{
Azure.IoT Build	19:d4f9e872bf3e	2127	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	2128	if (IoTHubMessage_SetMessageId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	2129	{
Azure.IoT Build	19:d4f9e872bf3e	2130	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2131	break;
Azure.IoT Build	19:d4f9e872bf3e	2132	}
Azure.IoT Build	19:d4f9e872bf3e	2133	}
Azure.IoT Build	19:d4f9e872bf3e	2134	}
Azure.IoT Build	19:d4f9e872bf3e	2135	else if (strncmp(IOTHUB_CORRELATION_ID, completeHeader, strlen(IOTHUB_CORRELATION_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2136	{
Azure.IoT Build	19:d4f9e872bf3e	2137	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	2138	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2139	{
Azure.IoT Build	19:d4f9e872bf3e	2140	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	2141	if (IoTHubMessage_SetCorrelationId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	2142	{
Azure.IoT Build	19:d4f9e872bf3e	2143	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2144	break;
Azure.IoT Build	19:d4f9e872bf3e	2145	}
Azure.IoT Build	19:d4f9e872bf3e	2146	}
Azure.IoT Build	19:d4f9e872bf3e	2147	}
Azure.IoT Build	19:d4f9e872bf3e	2148	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2149	}
Azure.IoT Build	19:d4f9e872bf3e	2150	}
AzureIoTClient	6:73793bae15ba	2151
Azure.IoT Build	19:d4f9e872bf3e	2152	if (i < nHeaders)
Azure.IoT Build	19:d4f9e872bf3e	2153	{
AzureIoTClient	29:e44b1f827914	2154	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2155	{
AzureIoTClient	29:e44b1f827914	2156	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2157	}
Azure.IoT Build	19:d4f9e872bf3e	2158	}
Azure.IoT Build	19:d4f9e872bf3e	2159	else
Azure.IoT Build	19:d4f9e872bf3e	2160	{
AzureIoTClient	29:e44b1f827914	2161	MESSAGE_CALLBACK_INFO* messageData = MESSAGE_CALLBACK_INFO_Create(receivedMessage, handleData, deviceData, etagValue);
AzureIoTClient	29:e44b1f827914	2162	if (messageData == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2163	{
AzureIoTClient	29:e44b1f827914	2164	/Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	2165	LogError("failed to assemble callback info");
AzureIoTClient	29:e44b1f827914	2166	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2167	{
AzureIoTClient	29:e44b1f827914	2168	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2169	}
Azure.IoT Build	19:d4f9e872bf3e	2170	}
Azure.IoT Build	19:d4f9e872bf3e	2171	else
Azure.IoT Build	19:d4f9e872bf3e	2172	{
AzureIoTClient	29:e44b1f827914	2173	bool abandon;
AzureIoTClient	29:e44b1f827914	2174	if (IoTHubClient_LL_MessageCallback(iotHubClientHandle, messageData))
AzureIoTClient	29:e44b1f827914	2175	{
AzureIoTClient	29:e44b1f827914	2176	abandon = false;
AzureIoTClient	29:e44b1f827914	2177	}
AzureIoTClient	29:e44b1f827914	2178	else
AzureIoTClient	29:e44b1f827914	2179	{
AzureIoTClient	29:e44b1f827914	2180	LogError("IoTHubClient_LL_MessageCallback failed");
AzureIoTClient	29:e44b1f827914	2181	abandon = true;
AzureIoTClient	29:e44b1f827914	2182	}
AzureIoTClient	29:e44b1f827914	2183
AzureIoTClient	29:e44b1f827914	2184	/Codes_SRS_TRANSPORTMULTITHTTP_17_096: [If IoTHubClient_LL_MessageCallback returns false then _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	2185	if (abandon)
AzureIoTClient	29:e44b1f827914	2186	{
AzureIoTClient	29:e44b1f827914	2187	(void)IoTHubTransportHttp_SendMessageDisposition(messageData, IOTHUBMESSAGE_ABANDONED);
AzureIoTClient	29:e44b1f827914	2188	}
Azure.IoT Build	19:d4f9e872bf3e	2189	}
Azure.IoT Build	19:d4f9e872bf3e	2190	}
Azure.IoT Build	19:d4f9e872bf3e	2191	}
Azure.IoT Build	19:d4f9e872bf3e	2192	IoTHubMessage_Destroy(receivedMessage);
Azure.IoT Build	19:d4f9e872bf3e	2193	}
Azure.IoT Build	19:d4f9e872bf3e	2194	}
Azure.IoT Build	19:d4f9e872bf3e	2195	}
Azure.IoT Build	19:d4f9e872bf3e	2196	}
Azure.IoT Build	19:d4f9e872bf3e	2197	}
Azure.IoT Build	19:d4f9e872bf3e	2198	BUFFER_delete(responseContent);
Azure.IoT Build	19:d4f9e872bf3e	2199	}
Azure.IoT Build	19:d4f9e872bf3e	2200	HTTPHeaders_Free(responseHTTPHeaders);
Azure.IoT Build	19:d4f9e872bf3e	2201	}
Azure.IoT Build	19:d4f9e872bf3e	2202	}
Azure.IoT Build	19:d4f9e872bf3e	2203	else
Azure.IoT Build	19:d4f9e872bf3e	2204	{
Azure.IoT Build	19:d4f9e872bf3e	2205	/isPollingAllowed is false... /
Azure.IoT Build	19:d4f9e872bf3e	2206	/do nothing "shall be ignored/
Azure.IoT Build	19:d4f9e872bf3e	2207	}
Azure.IoT Build	19:d4f9e872bf3e	2208	}
AzureIoTClient	6:73793bae15ba	2209	}
AzureIoTClient	6:73793bae15ba	2210
AzureIoTClient	25:3a68a581d3f9	2211	static IOTHUB_PROCESS_ITEM_RESULT IoTHubTransportHttp_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
AzureIoTClient	25:3a68a581d3f9	2212	{
AzureIoTClient	25:3a68a581d3f9	2213	(void)handle;
AzureIoTClient	25:3a68a581d3f9	2214	(void)item_type;
AzureIoTClient	25:3a68a581d3f9	2215	(void)iothub_item;
AzureIoTClient	25:3a68a581d3f9	2216	LogError("Currently Not Supported.");
AzureIoTClient	25:3a68a581d3f9	2217	return IOTHUB_PROCESS_ERROR;
AzureIoTClient	25:3a68a581d3f9	2218	}
AzureIoTClient	25:3a68a581d3f9	2219
AzureIoTClient	18:ab990f6aa61f	2220	static void IoTHubTransportHttp_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	2221	{
Azure.IoT Build	19:d4f9e872bf3e	2222	/Codes_SRS_TRANSPORTMULTITHTTP_17_049: [ If handle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2223	/Codes_SRS_TRANSPORTMULTITHTTP_17_140: [ If iotHubClientHandle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	2224
Azure.IoT Build	19:d4f9e872bf3e	2225	(void)iotHubClientHandle; // use the perDevice handle.
Azure.IoT Build	19:d4f9e872bf3e	2226	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2227	{
Azure.IoT Build	19:d4f9e872bf3e	2228	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2229	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	19:d4f9e872bf3e	2230	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	2231	/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	2232	/Codes_SRS_TRANSPORTMULTITHTTP_17_050: [ IoTHubTransportHttp_DoWork shall call loop through the device list. ] /
Azure.IoT Build	19:d4f9e872bf3e	2233	/Codes_SRS_TRANSPORTMULTITHTTP_17_051: [ IF the list is empty, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2234	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	2235	{
AzureIoTClient	22:e0add922c564	2236	listItem = (IOTHUB_DEVICE_HANDLE *) VECTOR_element(handleData->perDeviceList, i);
AzureIoTClient	22:e0add922c564	2237	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA*)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2238	DoEvent(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	19:d4f9e872bf3e	2239	DoMessages(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	13:848d52f93daf	2240
Azure.IoT Build	19:d4f9e872bf3e	2241	}
Azure.IoT Build	19:d4f9e872bf3e	2242	}
Azure.IoT Build	19:d4f9e872bf3e	2243	else
Azure.IoT Build	19:d4f9e872bf3e	2244	{
Azure.IoT Build	19:d4f9e872bf3e	2245	LogError("Invalid Argument NULL call on DoWork.");
Azure.IoT Build	19:d4f9e872bf3e	2246	}
AzureIoTClient	6:73793bae15ba	2247	}
AzureIoTClient	6:73793bae15ba	2248
AzureIoTClient	18:ab990f6aa61f	2249	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient	6:73793bae15ba	2250	{
Azure.IoT Build	19:d4f9e872bf3e	2251	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	6:73793bae15ba	2252
Azure.IoT Build	19:d4f9e872bf3e	2253	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2254	{
Azure.IoT Build	19:d4f9e872bf3e	2255	/Codes_SRS_TRANSPORTMULTITHTTP_17_111: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter. ]/
Azure.IoT Build	19:d4f9e872bf3e	2256	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2257	LogError("Invalid handle to IoTHubClient HTTP transport instance.");
Azure.IoT Build	19:d4f9e872bf3e	2258	}
Azure.IoT Build	19:d4f9e872bf3e	2259	else if (iotHubClientStatus == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2260	{
Azure.IoT Build	19:d4f9e872bf3e	2261	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2262	LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.");
Azure.IoT Build	19:d4f9e872bf3e	2263	}
Azure.IoT Build	19:d4f9e872bf3e	2264	else
Azure.IoT Build	19:d4f9e872bf3e	2265	{
Azure.IoT Build	19:d4f9e872bf3e	2266	/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	2267	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	2268	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2269	{
Azure.IoT Build	19:d4f9e872bf3e	2270	/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	2271	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2272	LogError("Device not found in transport list.");
Azure.IoT Build	19:d4f9e872bf3e	2273	}
Azure.IoT Build	19:d4f9e872bf3e	2274	else
Azure.IoT Build	19:d4f9e872bf3e	2275	{
Azure.IoT Build	19:d4f9e872bf3e	2276	HTTPTRANSPORT_PERDEVICE_DATA* deviceData = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2277	/* 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	2278	if (!DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	2279	{
Azure.IoT Build	19:d4f9e872bf3e	2280	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
Azure.IoT Build	19:d4f9e872bf3e	2281	}
Azure.IoT Build	19:d4f9e872bf3e	2282	/* 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	2283	else
Azure.IoT Build	19:d4f9e872bf3e	2284	{
Azure.IoT Build	19:d4f9e872bf3e	2285	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
Azure.IoT Build	19:d4f9e872bf3e	2286	}
Azure.IoT Build	19:d4f9e872bf3e	2287	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2288	}
Azure.IoT Build	19:d4f9e872bf3e	2289	}
AzureIoTClient	6:73793bae15ba	2290
Azure.IoT Build	19:d4f9e872bf3e	2291	return result;
AzureIoTClient	6:73793bae15ba	2292	}
AzureIoTClient	6:73793bae15ba	2293
AzureIoTClient	18:ab990f6aa61f	2294	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient	6:73793bae15ba	2295	{
Azure.IoT Build	19:d4f9e872bf3e	2296	IOTHUB_CLIENT_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	2297	/Codes_SRS_TRANSPORTMULTITHTTP_17_114: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2298	/Codes_SRS_TRANSPORTMULTITHTTP_17_115: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2299	/Codes_SRS_TRANSPORTMULTITHTTP_17_116: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2300	if (
Azure.IoT Build	19:d4f9e872bf3e	2301	(handle == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2302	(option == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2303	(value == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2304	)
Azure.IoT Build	19:d4f9e872bf3e	2305	{
Azure.IoT Build	19:d4f9e872bf3e	2306	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2307	LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption");
Azure.IoT Build	19:d4f9e872bf3e	2308	}
Azure.IoT Build	19:d4f9e872bf3e	2309	else
Azure.IoT Build	19:d4f9e872bf3e	2310	{
Azure.IoT Build	19:d4f9e872bf3e	2311	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2312	/Codes_SRS_TRANSPORTMULTITHTTP_17_120: ["Batching"] /
AzureIoTClient	22:e0add922c564	2313	if (strcmp(OPTION_BATCHING, option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2314	{
Azure.IoT Build	19:d4f9e872bf3e	2315	/Codes_SRS_TRANSPORTMULTITHTTP_17_117: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] /
Azure.IoT Build	19:d4f9e872bf3e	2316	handleData->doBatchedTransfers = (bool)value;
Azure.IoT Build	19:d4f9e872bf3e	2317	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2318	}
Azure.IoT Build	19:d4f9e872bf3e	2319	/Codes_SRS_TRANSPORTMULTITHTTP_17_121: ["MinimumPollingTime"] /
AzureIoTClient	22:e0add922c564	2320	else if (strcmp(OPTION_MIN_POLLING_TIME, option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2321	{
Azure.IoT Build	19:d4f9e872bf3e	2322	handleData->getMinimumPollingTime = (unsigned int)value;
Azure.IoT Build	19:d4f9e872bf3e	2323	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2324	}
Azure.IoT Build	19:d4f9e872bf3e	2325	else
Azure.IoT Build	19:d4f9e872bf3e	2326	{
Azure.IoT Build	19:d4f9e872bf3e	2327	/Codes_SRS_TRANSPORTMULTITHTTP_17_126: [ "TrustedCerts"] /
Azure.IoT Build	19:d4f9e872bf3e	2328	/Codes_SRS_TRANSPORTMULTITHTTP_17_127: [ NULL shall be allowed. ]/
Azure.IoT Build	19:d4f9e872bf3e	2329	/Codes_SRS_TRANSPORTMULTITHTTP_17_129: [ This option shall passed down to the lower layer by calling HTTPAPIEX_SetOption. ]/
Azure.IoT Build	19:d4f9e872bf3e	2330	/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	2331	HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
Azure.IoT Build	19:d4f9e872bf3e	2332	/Codes_SRS_TRANSPORTMULTITHTTP_17_119: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] /
Azure.IoT Build	19:d4f9e872bf3e	2333	if (HTTPAPIEX_result == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2334	{
Azure.IoT Build	19:d4f9e872bf3e	2335	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2336	}
Azure.IoT Build	19:d4f9e872bf3e	2337	else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
Azure.IoT Build	19:d4f9e872bf3e	2338	{
Azure.IoT Build	19:d4f9e872bf3e	2339	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2340	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2341	}
Azure.IoT Build	19:d4f9e872bf3e	2342	else
Azure.IoT Build	19:d4f9e872bf3e	2343	{
Azure.IoT Build	19:d4f9e872bf3e	2344	result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	2345	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2346	}
Azure.IoT Build	19:d4f9e872bf3e	2347	}
Azure.IoT Build	19:d4f9e872bf3e	2348	}
Azure.IoT Build	19:d4f9e872bf3e	2349	return result;
AzureIoTClient	6:73793bae15ba	2350	}
AzureIoTClient	18:ab990f6aa61f	2351
AzureIoTClient	18:ab990f6aa61f	2352	static STRING_HANDLE IoTHubTransportHttp_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	18:ab990f6aa61f	2353	{
AzureIoTClient	18:ab990f6aa61f	2354	STRING_HANDLE result;
AzureIoTClient	18:ab990f6aa61f	2355	/Codes_SRS_TRANSPORTMULTITHTTP_02_001: [ If handle is NULL then IoTHubTransportHttp_GetHostname shall fail and return NULL. ]/
AzureIoTClient	18:ab990f6aa61f	2356	if (handle == NULL)
AzureIoTClient	18:ab990f6aa61f	2357	{
AzureIoTClient	18:ab990f6aa61f	2358	LogError("invalid parameter handle=%p", handle);
AzureIoTClient	18:ab990f6aa61f	2359	result = NULL;
AzureIoTClient	18:ab990f6aa61f	2360	}
AzureIoTClient	18:ab990f6aa61f	2361	else
AzureIoTClient	18:ab990f6aa61f	2362	{
AzureIoTClient	18:ab990f6aa61f	2363	/Codes_SRS_TRANSPORTMULTITHTTP_02_002: [ Otherwise IoTHubTransportHttp_GetHostname shall return a non-NULL STRING_HANDLE containing the hostname. ]/
AzureIoTClient	18:ab990f6aa61f	2364	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient	18:ab990f6aa61f	2365	result = handleData->hostName;
AzureIoTClient	18:ab990f6aa61f	2366	}
AzureIoTClient	18:ab990f6aa61f	2367	return result;
AzureIoTClient	18:ab990f6aa61f	2368	}
AzureIoTClient	18:ab990f6aa61f	2369
AzureIoTClient	25:3a68a581d3f9	2370	static int IoTHubTransportHttp_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient	25:3a68a581d3f9	2371	{
AzureIoTClient	25:3a68a581d3f9	2372	int result;
AzureIoTClient	25:3a68a581d3f9	2373	(void)handle;
AzureIoTClient	25:3a68a581d3f9	2374	(void)retryPolicy;
AzureIoTClient	25:3a68a581d3f9	2375	(void)retryTimeoutLimitInSeconds;
AzureIoTClient	25:3a68a581d3f9	2376
AzureIoTClient	25:3a68a581d3f9	2377	/* Retry Policy is not currently not available for HTTP */
AzureIoTClient	25:3a68a581d3f9	2378
AzureIoTClient	25:3a68a581d3f9	2379	result = 0;
AzureIoTClient	25:3a68a581d3f9	2380	return result;
AzureIoTClient	25:3a68a581d3f9	2381	}
AzureIoTClient	25:3a68a581d3f9	2382
AzureIoTClient	18:ab990f6aa61f	2383	/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	2384	static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient	18:ab990f6aa61f	2385	{
AzureIoTClient	29:e44b1f827914	2386	IoTHubTransportHttp_SendMessageDisposition, /pfIotHubTransport_SendMessageDisposition IoTHubTransport_SendMessageDisposition;/
AzureIoTClient	25:3a68a581d3f9	2387	IoTHubTransportHttp_Subscribe_DeviceMethod, /pfIoTHubTransport_Subscribe_DeviceMethod IoTHubTransport_Subscribe_DeviceMethod;/
AzureIoTClient	25:3a68a581d3f9	2388	IoTHubTransportHttp_Unsubscribe_DeviceMethod, /pfIoTHubTransport_Unsubscribe_DeviceMethod IoTHubTransport_Unsubscribe_DeviceMethod;/
AzureIoTClient	26:aeabbfa5181a	2389	IoTHubTransportHttp_DeviceMethod_Response, /pfIoTHubTransport_DeviceMethod_Response IoTHubTransport_DeviceMethod_Response;/
AzureIoTClient	25:3a68a581d3f9	2390	IoTHubTransportHttp_Subscribe_DeviceTwin, /pfIoTHubTransport_Subscribe_DeviceTwin IoTHubTransport_Subscribe_DeviceTwin;/
AzureIoTClient	25:3a68a581d3f9	2391	IoTHubTransportHttp_Unsubscribe_DeviceTwin, /pfIoTHubTransport_Unsubscribe_DeviceTwin IoTHubTransport_Unsubscribe_DeviceTwin;/
AzureIoTClient	25:3a68a581d3f9	2392	IoTHubTransportHttp_ProcessItem, /pfIoTHubTransport_ProcessItem IoTHubTransport_ProcessItem;/
AzureIoTClient	25:3a68a581d3f9	2393	IoTHubTransportHttp_GetHostname, /pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname;/
AzureIoTClient	25:3a68a581d3f9	2394	IoTHubTransportHttp_SetOption, /pfIoTHubTransport_SetOption IoTHubTransport_SetOption;/
AzureIoTClient	25:3a68a581d3f9	2395	IoTHubTransportHttp_Create, /pfIoTHubTransport_Create IoTHubTransport_Create;/
AzureIoTClient	25:3a68a581d3f9	2396	IoTHubTransportHttp_Destroy, /pfIoTHubTransport_Destroy IoTHubTransport_Destroy;/
AzureIoTClient	25:3a68a581d3f9	2397	IoTHubTransportHttp_Register, /pfIotHubTransport_Register IoTHubTransport_Register;/
AzureIoTClient	25:3a68a581d3f9	2398	IoTHubTransportHttp_Unregister, /pfIotHubTransport_Unregister IoTHubTransport_Unegister;/
AzureIoTClient	25:3a68a581d3f9	2399	IoTHubTransportHttp_Subscribe, /pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe;/
AzureIoTClient	25:3a68a581d3f9	2400	IoTHubTransportHttp_Unsubscribe, /pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe;/
AzureIoTClient	25:3a68a581d3f9	2401	IoTHubTransportHttp_DoWork, /pfIoTHubTransport_DoWork IoTHubTransport_DoWork;/
AzureIoTClient	25:3a68a581d3f9	2402	IoTHubTransportHttp_SetRetryPolicy, /pfIoTHubTransport_DoWork IoTHubTransport_SetRetryPolicy;/
AzureIoTClient	25:3a68a581d3f9	2403	IoTHubTransportHttp_GetSendStatus /pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus;/
AzureIoTClient	18:ab990f6aa61f	2404	};
AzureIoTClient	18:ab990f6aa61f	2405
AzureIoTClient	18:ab990f6aa61f	2406	const TRANSPORT_PROVIDER* HTTP_Protocol(void)
AzureIoTClient	18:ab990f6aa61f	2407	{
AzureIoTClient	18:ab990f6aa61f	2408	return &thisTransportProvider;
AzureIoTClient	18:ab990f6aa61f	2409	}

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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@29:e44b1f827914, 2017-03-10 (annotated)

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