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@35:786954ce12e9, 2018-03-05 (annotated)

Committer:: AzureIoTClient
Date:: Mon Mar 05 17:39:48 2018 -0800
Revision:: 35:786954ce12e9
Parent:: 34:5aa0b7670697
Child:: 36:36c1e1ca5679

1.2.0

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	32:4d4a226b072b	28	static const char* IOTHUB_MESSAGE_ID = "iothub-messageid";
AzureIoTClient	32:4d4a226b072b	29	static const char* IOTHUB_CORRELATION_ID = "iothub-correlationid";
AzureIoTClient	32:4d4a226b072b	30	static const char* IOTHUB_CONTENT_TYPE_D2C = "iothub-contenttype";
AzureIoTClient	32:4d4a226b072b	31	static const char* IOTHUB_CONTENT_ENCODING_D2C = "iothub-contentencoding";
AzureIoTClient	32:4d4a226b072b	32	static const char* IOTHUB_CONTENT_TYPE_C2D = "ContentType";
AzureIoTClient	32:4d4a226b072b	33	static const char* IOTHUB_CONTENT_ENCODING_C2D = "ContentEncoding";
AzureIoTClient	6:73793bae15ba	34
AzureIoTClient	6:73793bae15ba	35	#define CONTENT_TYPE "Content-Type"
AzureIoTClient	6:73793bae15ba	36	#define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient	6:73793bae15ba	37	#define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient	6:73793bae15ba	38
AzureIoTClient	6:73793bae15ba	39	/DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)/
AzureIoTClient	6:73793bae15ba	40	/the default is 25 minutes/
AzureIoTClient	6:73793bae15ba	41	#define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient	6:73793bae15ba	42
AzureIoTClient	6:73793bae15ba	43	#define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient	6:73793bae15ba	44	#define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient	6:73793bae15ba	45	#define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient	6:73793bae15ba	46
AzureIoTClient	6:73793bae15ba	47	/forward declaration/
AzureIoTClient	6:73793bae15ba	48	static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient	6:73793bae15ba	49
AzureIoTClient	6:73793bae15ba	50	typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient	6:73793bae15ba	51	{
Azure.IoT Build	19:d4f9e872bf3e	52	STRING_HANDLE hostName;
Azure.IoT Build	19:d4f9e872bf3e	53	HTTPAPIEX_HANDLE httpApiExHandle;
Azure.IoT Build	19:d4f9e872bf3e	54	bool doBatchedTransfers;
Azure.IoT Build	19:d4f9e872bf3e	55	unsigned int getMinimumPollingTime;
Azure.IoT Build	19:d4f9e872bf3e	56	VECTOR_HANDLE perDeviceList;
Azure.IoT Build	13:848d52f93daf	57	}HTTPTRANSPORT_HANDLE_DATA;
Azure.IoT Build	13:848d52f93daf	58
Azure.IoT Build	13:848d52f93daf	59	typedef struct HTTPTRANSPORT_PERDEVICE_DATA_TAG
Azure.IoT Build	13:848d52f93daf	60	{
Azure.IoT Build	19:d4f9e872bf3e	61	HTTPTRANSPORT_HANDLE_DATA* transportHandle;
Azure.IoT Build	13:848d52f93daf	62
Azure.IoT Build	19:d4f9e872bf3e	63	STRING_HANDLE deviceId;
Azure.IoT Build	19:d4f9e872bf3e	64	STRING_HANDLE deviceKey;
Azure.IoT Build	19:d4f9e872bf3e	65	STRING_HANDLE deviceSasToken;
Azure.IoT Build	19:d4f9e872bf3e	66	STRING_HANDLE eventHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	67	STRING_HANDLE messageHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	68	HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	69	HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	70	STRING_HANDLE abandonHTTPrelativePathBegin;
Azure.IoT Build	19:d4f9e872bf3e	71	HTTPAPIEX_SAS_HANDLE sasObject;
Azure.IoT Build	19:d4f9e872bf3e	72	bool DoWork_PullMessage;
Azure.IoT Build	19:d4f9e872bf3e	73	time_t lastPollTime;
Azure.IoT Build	19:d4f9e872bf3e	74	bool isFirstPoll;
Azure.IoT Build	13:848d52f93daf	75
Azure.IoT Build	19:d4f9e872bf3e	76	IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	77	PDLIST_ENTRY waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	78	DLIST_ENTRY eventConfirmations; /holds items for event confirmations/
Azure.IoT Build	13:848d52f93daf	79	} HTTPTRANSPORT_PERDEVICE_DATA;
AzureIoTClient	6:73793bae15ba	80
AzureIoTClient	29:e44b1f827914	81	typedef struct MESSAGE_DISPOSITION_CONTEXT_TAG
AzureIoTClient	29:e44b1f827914	82	{
AzureIoTClient	29:e44b1f827914	83	HTTPTRANSPORT_HANDLE_DATA* handleData;
AzureIoTClient	29:e44b1f827914	84	HTTPTRANSPORT_PERDEVICE_DATA* deviceData;
AzureIoTClient	29:e44b1f827914	85	char* etagValue;
AzureIoTClient	29:e44b1f827914	86	} MESSAGE_DISPOSITION_CONTEXT;
AzureIoTClient	29:e44b1f827914	87
AzureIoTClient	29:e44b1f827914	88	DEFINE_ENUM_STRINGS(IOTHUBMESSAGE_DISPOSITION_RESULT, IOTHUBMESSAGE_DISPOSITION_RESULT_VALUES);
AzureIoTClient	29:e44b1f827914	89
Azure.IoT Build	13:848d52f93daf	90	static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	91	{
Azure.IoT Build	19:d4f9e872bf3e	92	STRING_delete(handleData->eventHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	93	handleData->eventHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	94	}
AzureIoTClient	6:73793bae15ba	95
Azure.IoT Build	13:848d52f93daf	96	static bool create_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	97	{
Azure.IoT Build	19:d4f9e872bf3e	98	/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	99	bool result;
Azure.IoT Build	19:d4f9e872bf3e	100	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	101	handleData->eventHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	102	if (handleData->eventHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	103	{
Azure.IoT Build	19:d4f9e872bf3e	104	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	105	result = false;
Azure.IoT Build	19:d4f9e872bf3e	106	}
Azure.IoT Build	19:d4f9e872bf3e	107	else
Azure.IoT Build	19:d4f9e872bf3e	108	{
Azure.IoT Build	19:d4f9e872bf3e	109	if (!(
Azure.IoT Build	19:d4f9e872bf3e	110	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	111	(STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	112	(STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	113	))
Azure.IoT Build	19:d4f9e872bf3e	114	{
Azure.IoT Build	19:d4f9e872bf3e	115	/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	116	destroy_eventHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	117	LogError("Creating HTTP event relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	118	result = false;
Azure.IoT Build	19:d4f9e872bf3e	119	}
Azure.IoT Build	19:d4f9e872bf3e	120	else
Azure.IoT Build	19:d4f9e872bf3e	121	{
Azure.IoT Build	19:d4f9e872bf3e	122	result = true;
Azure.IoT Build	19:d4f9e872bf3e	123	}
Azure.IoT Build	19:d4f9e872bf3e	124	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	125	}
Azure.IoT Build	19:d4f9e872bf3e	126	return result;
AzureIoTClient	6:73793bae15ba	127	}
AzureIoTClient	6:73793bae15ba	128
Azure.IoT Build	13:848d52f93daf	129	static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	130	{
Azure.IoT Build	19:d4f9e872bf3e	131	STRING_delete(handleData->messageHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	132	handleData->messageHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	133	}
AzureIoTClient	6:73793bae15ba	134
Azure.IoT Build	13:848d52f93daf	135	static bool create_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	136	{
Azure.IoT Build	19:d4f9e872bf3e	137	bool result;
Azure.IoT Build	19:d4f9e872bf3e	138	handleData->messageHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	139	if (handleData->messageHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	140	{
Azure.IoT Build	19:d4f9e872bf3e	141	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	142	result = false;
Azure.IoT Build	19:d4f9e872bf3e	143	}
Azure.IoT Build	19:d4f9e872bf3e	144	else
Azure.IoT Build	19:d4f9e872bf3e	145	{
Azure.IoT Build	19:d4f9e872bf3e	146	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	147	/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	148	if (!(
Azure.IoT Build	19:d4f9e872bf3e	149	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	150	(STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	151	(STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	152	))
Azure.IoT Build	19:d4f9e872bf3e	153	{
Azure.IoT Build	19:d4f9e872bf3e	154	/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	155	LogError("Creating HTTP message relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	156	result = false;
Azure.IoT Build	19:d4f9e872bf3e	157	destroy_messageHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	158	}
Azure.IoT Build	19:d4f9e872bf3e	159	else
Azure.IoT Build	19:d4f9e872bf3e	160	{
Azure.IoT Build	19:d4f9e872bf3e	161	result = true;
Azure.IoT Build	19:d4f9e872bf3e	162	}
Azure.IoT Build	19:d4f9e872bf3e	163	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	164	}
AzureIoTClient	17:7ef88cde801f	165
Azure.IoT Build	19:d4f9e872bf3e	166	return result;
AzureIoTClient	6:73793bae15ba	167	}
AzureIoTClient	6:73793bae15ba	168
Azure.IoT Build	13:848d52f93daf	169	static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	170	{
Azure.IoT Build	19:d4f9e872bf3e	171	HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	172	handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient	6:73793bae15ba	173	}
AzureIoTClient	6:73793bae15ba	174
AzureIoTClient	30:655054f86a6e	175	static HTTP_HEADERS_RESULT addUserAgentHeaderInfo(IOTHUB_CLIENT_LL_HANDLE hClient, HTTP_HEADERS_HANDLE eventHTTPrequestHeaders)
AzureIoTClient	30:655054f86a6e	176	{
AzureIoTClient	30:655054f86a6e	177	void* product_info;
AzureIoTClient	30:655054f86a6e	178	HTTP_HEADERS_RESULT result;
AzureIoTClient	30:655054f86a6e	179	if ((IoTHubClient_LL_GetOption(hClient, OPTION_PRODUCT_INFO, &product_info) == IOTHUB_CLIENT_ERROR) \|\| (product_info == NULL))
AzureIoTClient	30:655054f86a6e	180	{
AzureIoTClient	30:655054f86a6e	181	result = HTTPHeaders_AddHeaderNameValuePair(eventHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION);
AzureIoTClient	30:655054f86a6e	182	}
AzureIoTClient	30:655054f86a6e	183	else
AzureIoTClient	30:655054f86a6e	184	{
AzureIoTClient	30:655054f86a6e	185	result = HTTPHeaders_AddHeaderNameValuePair(eventHTTPrequestHeaders, "User-Agent", STRING_c_str((STRING_HANDLE)product_info));
AzureIoTClient	30:655054f86a6e	186	}
AzureIoTClient	30:655054f86a6e	187	return result;
AzureIoTClient	30:655054f86a6e	188	}
AzureIoTClient	30:655054f86a6e	189
AzureIoTClient	20:b652f2e4cccf	190	static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	191	{
Azure.IoT Build	19:d4f9e872bf3e	192	/*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	193	"Accept":"application/json"
Azure.IoT Build	19:d4f9e872bf3e	194	"Connection":"Keep-Alive" ]*/
Azure.IoT Build	19:d4f9e872bf3e	195	bool result;
Azure.IoT Build	19:d4f9e872bf3e	196	handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	197	if (handleData->eventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	198	{
Azure.IoT Build	19:d4f9e872bf3e	199	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	200	result = false;
Azure.IoT Build	19:d4f9e872bf3e	201	}
Azure.IoT Build	19:d4f9e872bf3e	202	else
Azure.IoT Build	19:d4f9e872bf3e	203	{
Azure.IoT Build	19:d4f9e872bf3e	204	STRING_HANDLE temp = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	205	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	206	{
Azure.IoT Build	19:d4f9e872bf3e	207	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	208	result = false;
Azure.IoT Build	19:d4f9e872bf3e	209	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	210	}
Azure.IoT Build	19:d4f9e872bf3e	211	else
Azure.IoT Build	19:d4f9e872bf3e	212	{
Azure.IoT Build	19:d4f9e872bf3e	213	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	214	if (!(
Azure.IoT Build	19:d4f9e872bf3e	215	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	216	(STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	217	(STRING_concat(temp, EVENT_ENDPOINT) == 0)
Azure.IoT Build	19:d4f9e872bf3e	218	))
Azure.IoT Build	19:d4f9e872bf3e	219	{
Azure.IoT Build	19:d4f9e872bf3e	220	LogError("deviceId construction failed.");
Azure.IoT Build	19:d4f9e872bf3e	221	result = false;
Azure.IoT Build	19:d4f9e872bf3e	222	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	223	}
Azure.IoT Build	19:d4f9e872bf3e	224	else
Azure.IoT Build	19:d4f9e872bf3e	225	{
Azure.IoT Build	19:d4f9e872bf3e	226	if (!(
Azure.IoT Build	19:d4f9e872bf3e	227	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	228	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK)) &&
Azure.IoT Build	19:d4f9e872bf3e	229	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	230	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK) &&
AzureIoTClient	30:655054f86a6e	231	(addUserAgentHeaderInfo(handleData->iotHubClientHandle, handleData->eventHTTPrequestHeaders) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	232	))
Azure.IoT Build	19:d4f9e872bf3e	233	{
Azure.IoT Build	19:d4f9e872bf3e	234	/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	235	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	236	result = false;
Azure.IoT Build	19:d4f9e872bf3e	237	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	238	}
Azure.IoT Build	19:d4f9e872bf3e	239	else
Azure.IoT Build	19:d4f9e872bf3e	240	{
Azure.IoT Build	19:d4f9e872bf3e	241	result = true;
Azure.IoT Build	19:d4f9e872bf3e	242	}
Azure.IoT Build	19:d4f9e872bf3e	243	}
Azure.IoT Build	19:d4f9e872bf3e	244	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	245	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	246	}
Azure.IoT Build	19:d4f9e872bf3e	247	}
Azure.IoT Build	19:d4f9e872bf3e	248	return result;
Azure.IoT Build	13:848d52f93daf	249	}
Azure.IoT Build	13:848d52f93daf	250
Azure.IoT Build	13:848d52f93daf	251	static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	252	{
Azure.IoT Build	19:d4f9e872bf3e	253	HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	254	handleData->messageHTTPrequestHeaders = NULL;
Azure.IoT Build	13:848d52f93daf	255	}
Azure.IoT Build	13:848d52f93daf	256
AzureIoTClient	20:b652f2e4cccf	257	static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	258	{
Azure.IoT Build	19:d4f9e872bf3e	259	/*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	260	"Authorization": "" ]*/
Azure.IoT Build	19:d4f9e872bf3e	261	bool result;
Azure.IoT Build	19:d4f9e872bf3e	262	handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	263	if (handleData->messageHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	264	{
Azure.IoT Build	19:d4f9e872bf3e	265	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	266	result = false;
Azure.IoT Build	19:d4f9e872bf3e	267	}
Azure.IoT Build	19:d4f9e872bf3e	268	else
Azure.IoT Build	19:d4f9e872bf3e	269	{
Azure.IoT Build	19:d4f9e872bf3e	270	if (!(
AzureIoTClient	33:270c65ccd77d	271	(addUserAgentHeaderInfo(handleData->iotHubClientHandle, handleData->messageHTTPrequestHeaders) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	272	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK))
Azure.IoT Build	19:d4f9e872bf3e	273	))
Azure.IoT Build	19:d4f9e872bf3e	274	{
Azure.IoT Build	19:d4f9e872bf3e	275	/Codes_SRS_TRANSPORTMULTITHTTP_17_023: [ If creating message HTTP request headers then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	276	destroy_messageHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	277	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	278	result = false;
Azure.IoT Build	19:d4f9e872bf3e	279	}
Azure.IoT Build	19:d4f9e872bf3e	280	else
Azure.IoT Build	19:d4f9e872bf3e	281	{
Azure.IoT Build	19:d4f9e872bf3e	282	result = true;
Azure.IoT Build	19:d4f9e872bf3e	283	}
Azure.IoT Build	19:d4f9e872bf3e	284	}
Azure.IoT Build	19:d4f9e872bf3e	285	return result;
AzureIoTClient	6:73793bae15ba	286	}
AzureIoTClient	6:73793bae15ba	287
Azure.IoT Build	13:848d52f93daf	288	static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	289	{
Azure.IoT Build	19:d4f9e872bf3e	290	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	291	handleData->abandonHTTPrelativePathBegin = NULL;
Azure.IoT Build	13:848d52f93daf	292	}
Azure.IoT Build	13:848d52f93daf	293
Azure.IoT Build	13:848d52f93daf	294	static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	295	{
Azure.IoT Build	19:d4f9e872bf3e	296	/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	297	bool result;
Azure.IoT Build	19:d4f9e872bf3e	298	handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	299	if (handleData->abandonHTTPrelativePathBegin == NULL)
Azure.IoT Build	19:d4f9e872bf3e	300	{
Azure.IoT Build	19:d4f9e872bf3e	301	result = false;
Azure.IoT Build	19:d4f9e872bf3e	302	}
Azure.IoT Build	19:d4f9e872bf3e	303	else
Azure.IoT Build	19:d4f9e872bf3e	304	{
Azure.IoT Build	19:d4f9e872bf3e	305	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	306	if (!(
Azure.IoT Build	19:d4f9e872bf3e	307	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	308	(STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	309	(STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
Azure.IoT Build	19:d4f9e872bf3e	310	))
Azure.IoT Build	19:d4f9e872bf3e	311	{
Azure.IoT Build	19:d4f9e872bf3e	312	/Codes_SRS_TRANSPORTMULTITHTTP_17_025: [ If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	313	LogError("unable to create abandon path string.");
Azure.IoT Build	19:d4f9e872bf3e	314	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	315	result = false;
Azure.IoT Build	19:d4f9e872bf3e	316	}
Azure.IoT Build	19:d4f9e872bf3e	317	else
Azure.IoT Build	19:d4f9e872bf3e	318	{
Azure.IoT Build	19:d4f9e872bf3e	319	result = true;
Azure.IoT Build	19:d4f9e872bf3e	320	}
Azure.IoT Build	19:d4f9e872bf3e	321	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	322	}
Azure.IoT Build	19:d4f9e872bf3e	323	return result;
Azure.IoT Build	13:848d52f93daf	324	}
Azure.IoT Build	13:848d52f93daf	325
Azure.IoT Build	13:848d52f93daf	326	static void destroy_SASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	327	{
Azure.IoT Build	19:d4f9e872bf3e	328	HTTPAPIEX_SAS_Destroy(handleData->sasObject);
Azure.IoT Build	19:d4f9e872bf3e	329	handleData->sasObject = NULL;
Azure.IoT Build	13:848d52f93daf	330	}
Azure.IoT Build	13:848d52f93daf	331
Azure.IoT Build	13:848d52f93daf	332	static bool create_deviceSASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData, STRING_HANDLE hostName, const char * deviceId, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	333	{
Azure.IoT Build	19:d4f9e872bf3e	334	STRING_HANDLE keyName;
Azure.IoT Build	19:d4f9e872bf3e	335	bool result;
Azure.IoT Build	19:d4f9e872bf3e	336	/Codes_SRS_TRANSPORTMULTITHTTP_17_026: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]/
Azure.IoT Build	19:d4f9e872bf3e	337	keyName = URL_EncodeString(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	338	if (keyName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	339	{
Azure.IoT Build	19:d4f9e872bf3e	340	/Codes_SRS_TRANSPORTMULTITHTTP_17_027: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	341	LogError("URL_EncodeString keyname failed");
Azure.IoT Build	19:d4f9e872bf3e	342	result = false;
Azure.IoT Build	19:d4f9e872bf3e	343	}
Azure.IoT Build	19:d4f9e872bf3e	344	else
Azure.IoT Build	19:d4f9e872bf3e	345	{
Azure.IoT Build	19:d4f9e872bf3e	346	STRING_HANDLE uriResource;
Azure.IoT Build	19:d4f9e872bf3e	347	/Codes_SRS_TRANSPORTMULTITHTTP_17_028: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]/
Azure.IoT Build	19:d4f9e872bf3e	348	uriResource = STRING_clone(hostName);
Azure.IoT Build	19:d4f9e872bf3e	349	/Codes_SRS_TRANSPORTMULTITHTTP_17_029: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	350	if (uriResource != NULL)
Azure.IoT Build	19:d4f9e872bf3e	351	{
Azure.IoT Build	19:d4f9e872bf3e	352	/Codes_SRS_TRANSPORTMULTITHTTP_17_030: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]/
Azure.IoT Build	19:d4f9e872bf3e	353	/Codes_SRS_TRANSPORTMULTITHTTP_17_141: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	354	/Codes_SRS_TRANSPORTMULTITHTTP_17_031: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]/
Azure.IoT Build	19:d4f9e872bf3e	355	/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	356	if ((STRING_concat(uriResource, "/devices/") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	357	(STRING_concat_with_STRING(uriResource, keyName) == 0))
Azure.IoT Build	19:d4f9e872bf3e	358	{
Azure.IoT Build	19:d4f9e872bf3e	359	/Codes_SRS_TRANSPORTMULTITHTTP_17_033: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]/
Azure.IoT Build	19:d4f9e872bf3e	360	/Codes_SRS_TRANSPORTMULTITHTTP_17_034: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	361	STRING_HANDLE key = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	362	if (key != NULL)
Azure.IoT Build	19:d4f9e872bf3e	363	{
Azure.IoT Build	19:d4f9e872bf3e	364	/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	365	if (STRING_empty(keyName) != 0)
Azure.IoT Build	19:d4f9e872bf3e	366	{
Azure.IoT Build	19:d4f9e872bf3e	367	LogError("Unable to form the device key name for the SAS");
Azure.IoT Build	19:d4f9e872bf3e	368	result = false;
Azure.IoT Build	19:d4f9e872bf3e	369	}
Azure.IoT Build	19:d4f9e872bf3e	370	else
Azure.IoT Build	19:d4f9e872bf3e	371	{
Azure.IoT Build	19:d4f9e872bf3e	372	/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	373	/Codes_SRS_TRANSPORTMULTITHTTP_17_037: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	374	handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
Azure.IoT Build	19:d4f9e872bf3e	375	result = (handleData->sasObject != NULL) ? (true) : (false);
Azure.IoT Build	19:d4f9e872bf3e	376	}
Azure.IoT Build	19:d4f9e872bf3e	377	STRING_delete(key);
Azure.IoT Build	19:d4f9e872bf3e	378	}
Azure.IoT Build	19:d4f9e872bf3e	379	else
Azure.IoT Build	19:d4f9e872bf3e	380	{
Azure.IoT Build	19:d4f9e872bf3e	381	LogError("STRING_construct Key failed");
Azure.IoT Build	19:d4f9e872bf3e	382	result = false;
Azure.IoT Build	19:d4f9e872bf3e	383	}
Azure.IoT Build	19:d4f9e872bf3e	384	}
Azure.IoT Build	19:d4f9e872bf3e	385	else
Azure.IoT Build	19:d4f9e872bf3e	386	{
Azure.IoT Build	19:d4f9e872bf3e	387	LogError("STRING_concat uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	388	result = false;
Azure.IoT Build	19:d4f9e872bf3e	389	}
Azure.IoT Build	19:d4f9e872bf3e	390	STRING_delete(uriResource);
Azure.IoT Build	19:d4f9e872bf3e	391	}
Azure.IoT Build	19:d4f9e872bf3e	392	else
Azure.IoT Build	19:d4f9e872bf3e	393	{
Azure.IoT Build	19:d4f9e872bf3e	394	LogError("STRING_staticclone uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	395	result = false;
Azure.IoT Build	19:d4f9e872bf3e	396	}
Azure.IoT Build	19:d4f9e872bf3e	397	STRING_delete(keyName);
Azure.IoT Build	19:d4f9e872bf3e	398	}
Azure.IoT Build	19:d4f9e872bf3e	399	return result;
Azure.IoT Build	13:848d52f93daf	400	}
Azure.IoT Build	13:848d52f93daf	401
Azure.IoT Build	13:848d52f93daf	402	static void destroy_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	403	{
Azure.IoT Build	19:d4f9e872bf3e	404	STRING_delete(handleData->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	405	handleData->deviceId = NULL;
Azure.IoT Build	13:848d52f93daf	406	}
Azure.IoT Build	13:848d52f93daf	407
Azure.IoT Build	13:848d52f93daf	408	static bool create_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	409	{
Azure.IoT Build	19:d4f9e872bf3e	410	/Codes_SRS_TRANSPORTMULTITHTTP_17_133: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceId") from config->deviceConfig->deviceId. ]/
Azure.IoT Build	19:d4f9e872bf3e	411	bool result;
Azure.IoT Build	19:d4f9e872bf3e	412	handleData->deviceId = STRING_construct(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	413	if (handleData->deviceId == NULL)
Azure.IoT Build	19:d4f9e872bf3e	414	{
Azure.IoT Build	19:d4f9e872bf3e	415	/Codes_SRS_TRANSPORTMULTITHTTP_17_134: [ If deviceId is not created, then IoTHubTransportHttp_Register shall fail and return NULL. /
Azure.IoT Build	19:d4f9e872bf3e	416	LogError("STRING_construct deviceId failed");
Azure.IoT Build	19:d4f9e872bf3e	417	result = false;
Azure.IoT Build	19:d4f9e872bf3e	418	}
Azure.IoT Build	19:d4f9e872bf3e	419	else
Azure.IoT Build	19:d4f9e872bf3e	420	{
Azure.IoT Build	19:d4f9e872bf3e	421	result = true;
Azure.IoT Build	19:d4f9e872bf3e	422	}
Azure.IoT Build	19:d4f9e872bf3e	423	return result;
Azure.IoT Build	13:848d52f93daf	424	}
Azure.IoT Build	13:848d52f93daf	425
Azure.IoT Build	13:848d52f93daf	426	static void destroy_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	427	{
Azure.IoT Build	19:d4f9e872bf3e	428	STRING_delete(handleData->deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	429	handleData->deviceKey = NULL;
Azure.IoT Build	13:848d52f93daf	430	}
Azure.IoT Build	13:848d52f93daf	431
AzureIoTClient	17:7ef88cde801f	432	static void destroy_deviceSas(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	433	{
AzureIoTClient	17:7ef88cde801f	434	STRING_delete(handleData->deviceSasToken);
AzureIoTClient	17:7ef88cde801f	435	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	436	}
AzureIoTClient	17:7ef88cde801f	437
Azure.IoT Build	13:848d52f93daf	438	static bool create_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	439	{
Azure.IoT Build	19:d4f9e872bf3e	440	/Codes_SRS_TRANSPORTMULTITHTTP_17_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceKey") from deviceKey. ]/
Azure.IoT Build	19:d4f9e872bf3e	441	bool result;
Azure.IoT Build	19:d4f9e872bf3e	442	handleData->deviceKey = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	443	if (handleData->deviceKey == NULL)
Azure.IoT Build	19:d4f9e872bf3e	444	{
Azure.IoT Build	19:d4f9e872bf3e	445	/Codes_SRS_TRANSPORTMULTITHTTP_17_136: [ If deviceKey is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	446	LogError("STRING_construct deviceKey failed");
Azure.IoT Build	19:d4f9e872bf3e	447	result = false;
Azure.IoT Build	19:d4f9e872bf3e	448	}
Azure.IoT Build	19:d4f9e872bf3e	449	else
Azure.IoT Build	19:d4f9e872bf3e	450	{
Azure.IoT Build	19:d4f9e872bf3e	451	result = true;
Azure.IoT Build	19:d4f9e872bf3e	452	}
Azure.IoT Build	19:d4f9e872bf3e	453	return result;
Azure.IoT Build	13:848d52f93daf	454	}
Azure.IoT Build	13:848d52f93daf	455
AzureIoTClient	17:7ef88cde801f	456	static void destroy_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	457	{
Azure.IoT Build	19:d4f9e872bf3e	458	STRING_delete(handleData->deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	459	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	460	}
AzureIoTClient	17:7ef88cde801f	461
AzureIoTClient	17:7ef88cde801f	462	static bool create_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceSasToken)
AzureIoTClient	17:7ef88cde801f	463	{
Azure.IoT Build	19:d4f9e872bf3e	464	/Codes_SRS_TRANSPORTMULTITHTTP_03_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceSasToken") from deviceSasToken. ]/
Azure.IoT Build	19:d4f9e872bf3e	465	bool result;
Azure.IoT Build	19:d4f9e872bf3e	466	handleData->deviceSasToken = STRING_construct(deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	467	if (handleData->deviceSasToken == NULL)
Azure.IoT Build	19:d4f9e872bf3e	468	{
Azure.IoT Build	19:d4f9e872bf3e	469	/Codes_SRS_TRANSPORTMULTITHTTP_03_136: [ If deviceSasToken is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	470	LogError("STRING_construct deviceSasToken failed");
Azure.IoT Build	19:d4f9e872bf3e	471	result = false;
Azure.IoT Build	19:d4f9e872bf3e	472	}
Azure.IoT Build	19:d4f9e872bf3e	473	else
Azure.IoT Build	19:d4f9e872bf3e	474	{
Azure.IoT Build	19:d4f9e872bf3e	475	result = true;
Azure.IoT Build	19:d4f9e872bf3e	476	}
Azure.IoT Build	19:d4f9e872bf3e	477	return result;
AzureIoTClient	17:7ef88cde801f	478	}
AzureIoTClient	17:7ef88cde801f	479
Azure.IoT Build	13:848d52f93daf	480	/*
Azure.IoT Build	13:848d52f93daf	481	* List queries Find by handle and find by device name
Azure.IoT Build	13:848d52f93daf	482	*/
Azure.IoT Build	13:848d52f93daf	483
Azure.IoT Build	13:848d52f93daf	484	/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	485	static bool findDeviceHandle(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	486	{
Azure.IoT Build	19:d4f9e872bf3e	487	bool result;
Azure.IoT Build	19:d4f9e872bf3e	488	/* data stored at element is device handle */
Azure.IoT Build	19:d4f9e872bf3e	489	const IOTHUB_DEVICE_HANDLE * guess = (const IOTHUB_DEVICE_HANDLE *)element;
AzureIoTClient	25:3a68a581d3f9	490	IOTHUB_DEVICE_HANDLE match = (IOTHUB_DEVICE_HANDLE)value;
Azure.IoT Build	19:d4f9e872bf3e	491	result = (*guess == match) ? true : false;
Azure.IoT Build	19:d4f9e872bf3e	492	return result;
Azure.IoT Build	13:848d52f93daf	493	}
Azure.IoT Build	13:848d52f93daf	494
Azure.IoT Build	13:848d52f93daf	495	static bool findDeviceById(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	496	{
Azure.IoT Build	19:d4f9e872bf3e	497	bool result;
Azure.IoT Build	19:d4f9e872bf3e	498	const char* deviceId = (const char *)value;
Azure.IoT Build	19:d4f9e872bf3e	499	const HTTPTRANSPORT_PERDEVICE_DATA * perDeviceElement = (const HTTPTRANSPORT_PERDEVICE_DATA *)element;
Azure.IoT Build	13:848d52f93daf	500
Azure.IoT Build	19:d4f9e872bf3e	501	result = (strcmp(STRING_c_str(perDeviceElement->deviceId), deviceId) == 0);
Azure.IoT Build	13:848d52f93daf	502
Azure.IoT Build	19:d4f9e872bf3e	503	return result;
Azure.IoT Build	13:848d52f93daf	504	}
Azure.IoT Build	13:848d52f93daf	505
AzureIoTClient	18:ab990f6aa61f	506	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	507	{
Azure.IoT Build	19:d4f9e872bf3e	508	HTTPTRANSPORT_PERDEVICE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	509	if (handle == NULL \|\| device == NULL)
Azure.IoT Build	19:d4f9e872bf3e	510	{
Azure.IoT Build	19:d4f9e872bf3e	511	/Codes_SRS_TRANSPORTMULTITHTTP_17_142: [ If handle is NULL or device is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	512	LogError("Transport handle is NULL");
Azure.IoT Build	19:d4f9e872bf3e	513	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	514	}
AzureIoTClient	20:b652f2e4cccf	515	else if (device->deviceId == NULL \|\| ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) \|\| waitingToSend == NULL \|\| iotHubClientHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	516	{
AzureIoTClient	20:b652f2e4cccf	517	/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	518	/Codes_SRS_TRANSPORTMULTITHTTP_17_014: [ If IOTHUB_DEVICE_CONFIG field deviceId is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	519	/Codes_SRS_TRANSPORTMULTITHTTP_17_016: [ If parameter waitingToSend is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	520	/Codes_SRS_TRANSPORTMULTITHTTP_17_143: [ If parameter iotHubClientHandle is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
AzureIoTClient	20:b652f2e4cccf	521	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	522	handle, device, iotHubClientHandle, waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	523	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	524	}
Azure.IoT Build	19:d4f9e872bf3e	525	else
Azure.IoT Build	19:d4f9e872bf3e	526	{
Azure.IoT Build	19:d4f9e872bf3e	527	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	528	/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	529	void* listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceById, device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	530	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	531	{
Azure.IoT Build	19:d4f9e872bf3e	532	/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	533	LogError("Transport already has device registered by id: [%s]", device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	534	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	535	}
Azure.IoT Build	19:d4f9e872bf3e	536	else
Azure.IoT Build	19:d4f9e872bf3e	537	{
Azure.IoT Build	19:d4f9e872bf3e	538	bool was_create_deviceKey_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	539	bool was_create_deviceSasToken_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	540	bool was_sasObject_ok = false;
AzureIoTClient	20:b652f2e4cccf	541	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	542
Azure.IoT Build	19:d4f9e872bf3e	543	/Codes_SRS_TRANSPORTMULTITHTTP_17_038: [ Otherwise, IoTHubTransportHttp_Register shall allocate the IOTHUB_DEVICE_HANDLE structure. ]/
AzureIoTClient	35:786954ce12e9	544	bool was_resultCreated_ok = ((result = (HTTPTRANSPORT_PERDEVICE_DATA *)malloc(sizeof(HTTPTRANSPORT_PERDEVICE_DATA))) != NULL);
Azure.IoT Build	19:d4f9e872bf3e	545	bool was_create_deviceId_ok = was_resultCreated_ok && create_deviceId(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	546
AzureIoTClient	20:b652f2e4cccf	547	if (was_create_deviceId_ok)
Azure.IoT Build	19:d4f9e872bf3e	548	{
AzureIoTClient	20:b652f2e4cccf	549	if (device->deviceSasToken != NULL)
AzureIoTClient	20:b652f2e4cccf	550	{
AzureIoTClient	20:b652f2e4cccf	551	/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	552	was_create_deviceSasToken_ok = create_deviceSasToken(result, device->deviceSasToken);
AzureIoTClient	20:b652f2e4cccf	553	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	554	result->sasObject = NULL;
AzureIoTClient	20:b652f2e4cccf	555	}
AzureIoTClient	20:b652f2e4cccf	556	else /when deviceSasToken == NULL/
AzureIoTClient	20:b652f2e4cccf	557	{
AzureIoTClient	20:b652f2e4cccf	558	if (device->deviceKey != NULL)
AzureIoTClient	20:b652f2e4cccf	559	{
AzureIoTClient	20:b652f2e4cccf	560	was_create_deviceKey_ok = create_deviceKey(result, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	561	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	562	}
AzureIoTClient	20:b652f2e4cccf	563	else
AzureIoTClient	20:b652f2e4cccf	564	{
AzureIoTClient	20:b652f2e4cccf	565	/when both of them are NULL/
AzureIoTClient	20:b652f2e4cccf	566	was_x509_ok = true;
AzureIoTClient	20:b652f2e4cccf	567	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	568	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	569	}
AzureIoTClient	20:b652f2e4cccf	570	}
Azure.IoT Build	19:d4f9e872bf3e	571	}
AzureIoTClient	17:7ef88cde801f	572
AzureIoTClient	20:b652f2e4cccf	573	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	574	bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, device->deviceId);
AzureIoTClient	30:655054f86a6e	575	bool was_eventHTTPrequestHeaders_ok;
AzureIoTClient	30:655054f86a6e	576	if (was_messageHTTPrelativePath_ok)
AzureIoTClient	30:655054f86a6e	577	{
AzureIoTClient	30:655054f86a6e	578	result->iotHubClientHandle = iotHubClientHandle;
AzureIoTClient	30:655054f86a6e	579	was_eventHTTPrequestHeaders_ok = create_eventHTTPrequestHeaders(result, device->deviceId, was_x509_ok);
AzureIoTClient	30:655054f86a6e	580	}
AzureIoTClient	30:655054f86a6e	581	else
AzureIoTClient	30:655054f86a6e	582	{
AzureIoTClient	30:655054f86a6e	583	was_eventHTTPrequestHeaders_ok = false;
AzureIoTClient	30:655054f86a6e	584	}
AzureIoTClient	20:b652f2e4cccf	585	bool was_messageHTTPrequestHeaders_ok = was_eventHTTPrequestHeaders_ok && create_messageHTTPrequestHeaders(result, was_x509_ok);
Azure.IoT Build	19:d4f9e872bf3e	586	bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	587
AzureIoTClient	20:b652f2e4cccf	588	if (was_x509_ok)
Azure.IoT Build	19:d4f9e872bf3e	589	{
AzureIoTClient	20:b652f2e4cccf	590	result->sasObject = NULL; /**/
AzureIoTClient	20:b652f2e4cccf	591	was_sasObject_ok = true;
AzureIoTClient	20:b652f2e4cccf	592	}
AzureIoTClient	20:b652f2e4cccf	593	else
AzureIoTClient	20:b652f2e4cccf	594	{
AzureIoTClient	20:b652f2e4cccf	595	if (!was_create_deviceSasToken_ok)
AzureIoTClient	20:b652f2e4cccf	596	{
AzureIoTClient	20:b652f2e4cccf	597	was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, handleData->hostName, device->deviceId, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	598	}
Azure.IoT Build	19:d4f9e872bf3e	599	}
AzureIoTClient	17:7ef88cde801f	600
Azure.IoT Build	19:d4f9e872bf3e	601	/Codes_SRS_TRANSPORTMULTITHTTP_17_041: [ IoTHubTransportHttp_Register shall call VECTOR_push_back to store the new device information. ]/
AzureIoTClient	20:b652f2e4cccf	602	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	603
Azure.IoT Build	19:d4f9e872bf3e	604	if (was_list_add_ok)
Azure.IoT Build	19:d4f9e872bf3e	605	{
Azure.IoT Build	19:d4f9e872bf3e	606	/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	607	/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	608	/Codes_SRS_TRANSPORTMULTITHTTP_17_128: [ IoTHubTransportHttp_Register shall mark this device as unsubscribed. ]/
Azure.IoT Build	19:d4f9e872bf3e	609	result->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	610	result->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	611	result->waitingToSend = waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	612	DList_InitializeListHead(&(result->eventConfirmations));
AzureIoTClient	35:786954ce12e9	613	result->transportHandle = (HTTPTRANSPORT_HANDLE_DATA *)handle;
Azure.IoT Build	19:d4f9e872bf3e	614	}
Azure.IoT Build	19:d4f9e872bf3e	615	else
Azure.IoT Build	19:d4f9e872bf3e	616	{
AzureIoTClient	24:02406f4a78ae	617	/Codes_SRS_TRANSPORTMULTITHTTP_17_042: [ If the singlylinkedlist_add fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	618	if (was_sasObject_ok) destroy_SASObject(result);
Azure.IoT Build	19:d4f9e872bf3e	619	if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
Azure.IoT Build	19:d4f9e872bf3e	620	if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	621	if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	622	if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	623	if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	624	if (was_create_deviceId_ok) destroy_deviceId(result);
Azure.IoT Build	19:d4f9e872bf3e	625	if (was_create_deviceKey_ok) destroy_deviceKey(result);
Azure.IoT Build	19:d4f9e872bf3e	626	if (was_create_deviceSasToken_ok) destroy_deviceSasToken(result);
Azure.IoT Build	19:d4f9e872bf3e	627	/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	628	if (was_resultCreated_ok) free(result);
Azure.IoT Build	19:d4f9e872bf3e	629	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	630	}
Azure.IoT Build	19:d4f9e872bf3e	631	}
AzureIoTClient	17:7ef88cde801f	632
Azure.IoT Build	19:d4f9e872bf3e	633	}
Azure.IoT Build	19:d4f9e872bf3e	634	return (IOTHUB_DEVICE_HANDLE)result;
Azure.IoT Build	13:848d52f93daf	635	}
Azure.IoT Build	13:848d52f93daf	636
Azure.IoT Build	13:848d52f93daf	637
Azure.IoT Build	13:848d52f93daf	638	static void destroy_perDeviceData(HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem)
Azure.IoT Build	13:848d52f93daf	639	{
Azure.IoT Build	19:d4f9e872bf3e	640	destroy_deviceId(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	641	destroy_deviceKey(perDeviceItem);
AzureIoTClient	17:7ef88cde801f	642	destroy_deviceSas(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	643	destroy_eventHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	644	destroy_messageHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	645	destroy_eventHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	646	destroy_messageHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	647	destroy_abandonHTTPrelativePathBegin(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	648	destroy_SASObject(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	649	}
Azure.IoT Build	13:848d52f93daf	650
Azure.IoT Build	13:848d52f93daf	651	static IOTHUB_DEVICE_HANDLE* get_perDeviceDataItem(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	652	{
Azure.IoT Build	19:d4f9e872bf3e	653	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	654	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	655
Azure.IoT Build	19:d4f9e872bf3e	656	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	13:848d52f93daf	657
AzureIoTClient	35:786954ce12e9	658	listItem = (IOTHUB_DEVICE_HANDLE *)VECTOR_find_if(handleData->perDeviceList, findDeviceHandle, deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	659	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	660	{
Azure.IoT Build	19:d4f9e872bf3e	661	LogError("device handle not found in transport device list");
Azure.IoT Build	19:d4f9e872bf3e	662	listItem = NULL;
Azure.IoT Build	19:d4f9e872bf3e	663	}
Azure.IoT Build	19:d4f9e872bf3e	664	else
Azure.IoT Build	19:d4f9e872bf3e	665	{
Azure.IoT Build	19:d4f9e872bf3e	666	/* sucessfully found device in list. */
Azure.IoT Build	19:d4f9e872bf3e	667	}
Azure.IoT Build	13:848d52f93daf	668
Azure.IoT Build	19:d4f9e872bf3e	669	return listItem;
Azure.IoT Build	13:848d52f93daf	670	}
Azure.IoT Build	13:848d52f93daf	671
AzureIoTClient	18:ab990f6aa61f	672	static void IoTHubTransportHttp_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	673	{
Azure.IoT Build	19:d4f9e872bf3e	674	if (deviceHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	675	{
Azure.IoT Build	19:d4f9e872bf3e	676	/Codes_SRS_TRANSPORTMULTITHTTP_17_044: [ If deviceHandle is NULL, then IoTHubTransportHttp_Unregister shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	677	LogError("Unregister a NULL device handle");
Azure.IoT Build	19:d4f9e872bf3e	678	}
Azure.IoT Build	19:d4f9e872bf3e	679	else
Azure.IoT Build	19:d4f9e872bf3e	680	{
Azure.IoT Build	19:d4f9e872bf3e	681	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	682	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	19:d4f9e872bf3e	683	/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	684	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	685	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	686	{
Azure.IoT Build	19:d4f9e872bf3e	687	/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	688	LogError("Device Handle [%p] not found in transport", deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	689	}
Azure.IoT Build	19:d4f9e872bf3e	690	else
Azure.IoT Build	19:d4f9e872bf3e	691	{
Azure.IoT Build	19:d4f9e872bf3e	692	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	693
Azure.IoT Build	19:d4f9e872bf3e	694	/Codes_SRS_TRANSPORTMULTITHTTP_17_047: [ IoTHubTransportHttp_Unregister shall free all the resources used in the device structure. ]/
Azure.IoT Build	19:d4f9e872bf3e	695	destroy_perDeviceData(perDeviceItem);
AzureIoTClient	24:02406f4a78ae	696	/Codes_SRS_TRANSPORTMULTITHTTP_17_048: [ IoTHubTransportHttp_Unregister shall call singlylinkedlist_remove to remove device from devices list. ]/
Azure.IoT Build	19:d4f9e872bf3e	697	VECTOR_erase(handleData->perDeviceList, listItem, 1);
Azure.IoT Build	19:d4f9e872bf3e	698	free(deviceHandleData);
Azure.IoT Build	19:d4f9e872bf3e	699	}
Azure.IoT Build	19:d4f9e872bf3e	700	}
Azure.IoT Build	13:848d52f93daf	701
Azure.IoT Build	19:d4f9e872bf3e	702	return;
Azure.IoT Build	13:848d52f93daf	703	}
Azure.IoT Build	13:848d52f93daf	704
AzureIoTClient	35:786954ce12e9	705	/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	706	/Codes_SRS_TRANSPORTMULTITHTTP_20_001: [If config->upperConfig->protocolGatewayHostName is not NULL, IoTHubTransportHttp_Create shall use it as hostname] /
AzureIoTClient	6:73793bae15ba	707	static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	708	{
Azure.IoT Build	19:d4f9e872bf3e	709	STRING_delete(handleData->hostName);
Azure.IoT Build	19:d4f9e872bf3e	710	handleData->hostName = NULL;
AzureIoTClient	6:73793bae15ba	711	}
AzureIoTClient	6:73793bae15ba	712
AzureIoTClient	6:73793bae15ba	713	static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	714	{
Azure.IoT Build	19:d4f9e872bf3e	715	bool result;
AzureIoTClient	23:44d825a1cd09	716	if (config->upperConfig->protocolGatewayHostName != NULL)
Azure.IoT Build	19:d4f9e872bf3e	717	{
AzureIoTClient	23:44d825a1cd09	718	/Codes_SRS_TRANSPORTMULTITHTTP_20_001: [If config->upperConfig->protocolGatewayHostName is not NULL, IoTHubTransportHttp_Create shall use it as hostname] /
AzureIoTClient	23:44d825a1cd09	719	handleData->hostName = STRING_construct(config->upperConfig->protocolGatewayHostName);
AzureIoTClient	23:44d825a1cd09	720	result = (handleData->hostName != NULL);
Azure.IoT Build	19:d4f9e872bf3e	721	}
Azure.IoT Build	19:d4f9e872bf3e	722	else
Azure.IoT Build	19:d4f9e872bf3e	723	{
AzureIoTClient	35:786954ce12e9	724	/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	725	handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
AzureIoTClient	23:44d825a1cd09	726
AzureIoTClient	23:44d825a1cd09	727	if (handleData->hostName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	728	{
Azure.IoT Build	19:d4f9e872bf3e	729	result = false;
Azure.IoT Build	19:d4f9e872bf3e	730	}
Azure.IoT Build	19:d4f9e872bf3e	731	else
Azure.IoT Build	19:d4f9e872bf3e	732	{
AzureIoTClient	23:44d825a1cd09	733	if ((STRING_concat(handleData->hostName, ".") != 0) \|\|
AzureIoTClient	23:44d825a1cd09	734	(STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
AzureIoTClient	23:44d825a1cd09	735	{
AzureIoTClient	23:44d825a1cd09	736	/Codes_SRS_TRANSPORTMULTITHTTP_17_006: [ If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
AzureIoTClient	23:44d825a1cd09	737	destroy_hostName(handleData);
AzureIoTClient	23:44d825a1cd09	738	result = false;
AzureIoTClient	23:44d825a1cd09	739	}
AzureIoTClient	23:44d825a1cd09	740	else
AzureIoTClient	23:44d825a1cd09	741	{
AzureIoTClient	23:44d825a1cd09	742	result = true;
AzureIoTClient	23:44d825a1cd09	743	}
Azure.IoT Build	19:d4f9e872bf3e	744	}
Azure.IoT Build	19:d4f9e872bf3e	745	}
Azure.IoT Build	19:d4f9e872bf3e	746	return result;
AzureIoTClient	6:73793bae15ba	747	}
AzureIoTClient	6:73793bae15ba	748
Azure.IoT Build	13:848d52f93daf	749	/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	750	static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	751	{
Azure.IoT Build	19:d4f9e872bf3e	752	HTTPAPIEX_Destroy(handleData->httpApiExHandle);
Azure.IoT Build	19:d4f9e872bf3e	753	handleData->httpApiExHandle = NULL;
AzureIoTClient	6:73793bae15ba	754	}
AzureIoTClient	6:73793bae15ba	755
Azure.IoT Build	13:848d52f93daf	756	/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	757	static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	758	{
Azure.IoT Build	19:d4f9e872bf3e	759	bool result;
Azure.IoT Build	19:d4f9e872bf3e	760	(void)config;
Azure.IoT Build	19:d4f9e872bf3e	761	handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
Azure.IoT Build	19:d4f9e872bf3e	762	if (handleData->httpApiExHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	763	{
Azure.IoT Build	19:d4f9e872bf3e	764	/Codes_SRS_TRANSPORTMULTITHTTP_17_008: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	765	result = false;
Azure.IoT Build	19:d4f9e872bf3e	766	}
Azure.IoT Build	19:d4f9e872bf3e	767	else
Azure.IoT Build	19:d4f9e872bf3e	768	{
Azure.IoT Build	19:d4f9e872bf3e	769	result = true;
Azure.IoT Build	19:d4f9e872bf3e	770	}
Azure.IoT Build	19:d4f9e872bf3e	771	return result;
AzureIoTClient	6:73793bae15ba	772	}
AzureIoTClient	6:73793bae15ba	773
Azure.IoT Build	13:848d52f93daf	774	static void destroy_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	775	{
Azure.IoT Build	19:d4f9e872bf3e	776	VECTOR_destroy(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	777	handleData->perDeviceList = NULL;
AzureIoTClient	6:73793bae15ba	778	}
AzureIoTClient	6:73793bae15ba	779
AzureIoTClient	24:02406f4a78ae	780	/Codes_SRS_TRANSPORTMULTITHTTP_17_009: [ IoTHubTransportHttp_Create shall call singlylinkedlist_create to create a list of registered devices. ]/
Azure.IoT Build	13:848d52f93daf	781	static bool create_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	782	{
Azure.IoT Build	19:d4f9e872bf3e	783	bool result;
Azure.IoT Build	19:d4f9e872bf3e	784	handleData->perDeviceList = VECTOR_create(sizeof(IOTHUB_DEVICE_HANDLE));
Azure.IoT Build	19:d4f9e872bf3e	785	if (handleData == NULL \|\| handleData->perDeviceList == NULL)
Azure.IoT Build	19:d4f9e872bf3e	786	{
Azure.IoT Build	19:d4f9e872bf3e	787	/Codes_SRS_TRANSPORTMULTITHTTP_17_010: [ If creating the list fails, then IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	788	result = false;
Azure.IoT Build	19:d4f9e872bf3e	789	}
Azure.IoT Build	19:d4f9e872bf3e	790	else
Azure.IoT Build	19:d4f9e872bf3e	791	{
Azure.IoT Build	19:d4f9e872bf3e	792	result = true;
Azure.IoT Build	19:d4f9e872bf3e	793	}
Azure.IoT Build	19:d4f9e872bf3e	794	return result;
AzureIoTClient	6:73793bae15ba	795	}
AzureIoTClient	6:73793bae15ba	796
Azure.IoT Build	13:848d52f93daf	797
AzureIoTClient	18:ab990f6aa61f	798	static TRANSPORT_LL_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	799	{
Azure.IoT Build	19:d4f9e872bf3e	800	HTTPTRANSPORT_HANDLE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	801	if (config == NULL)
Azure.IoT Build	19:d4f9e872bf3e	802	{
Azure.IoT Build	19:d4f9e872bf3e	803	/Codes_SRS_TRANSPORTMULTITHTTP_17_001: [If parameter config is NULL, then IoTHubTransportHttp_Create shall return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	804	LogError("invalid arg (configuration is missing)");
Azure.IoT Build	19:d4f9e872bf3e	805	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	806	}
Azure.IoT Build	19:d4f9e872bf3e	807	else if (config->upperConfig == NULL)
Azure.IoT Build	19:d4f9e872bf3e	808	{
Azure.IoT Build	19:d4f9e872bf3e	809	/Codes_SRS_TRANSPORTMULTITHTTP_17_002: [ If field transportConfig is NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	810	LogError("invalid arg (upperConfig is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	811	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	812	}
Azure.IoT Build	19:d4f9e872bf3e	813	else if (config->upperConfig->protocol == NULL)
Azure.IoT Build	19:d4f9e872bf3e	814	{
Azure.IoT Build	19:d4f9e872bf3e	815	/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	816	LogError("invalid arg (protocol is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	817	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	818	}
Azure.IoT Build	19:d4f9e872bf3e	819	else if (config->upperConfig->iotHubName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	820	{
Azure.IoT Build	19:d4f9e872bf3e	821	/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	822	LogError("invalid arg (iotHubName is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	823	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	824	}
Azure.IoT Build	19:d4f9e872bf3e	825	else if (config->upperConfig->iotHubSuffix == NULL)
Azure.IoT Build	19:d4f9e872bf3e	826	{
Azure.IoT Build	19:d4f9e872bf3e	827	/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	828	LogError("invalid arg (iotHubSuffix is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	829	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	830	}
Azure.IoT Build	19:d4f9e872bf3e	831	else
Azure.IoT Build	19:d4f9e872bf3e	832	{
Azure.IoT Build	19:d4f9e872bf3e	833	/Codes_SRS_TRANSPORTMULTITHTTP_17_130: [ IoTHubTransportHttp_Create shall allocate memory for the handle. ]/
Azure.IoT Build	19:d4f9e872bf3e	834	result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
Azure.IoT Build	19:d4f9e872bf3e	835	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	836	{
Azure.IoT Build	19:d4f9e872bf3e	837	/Codes_SRS_TRANSPORTMULTITHTTP_17_131: [ If allocation fails, IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	838	LogError("unable to malloc");
Azure.IoT Build	19:d4f9e872bf3e	839	}
Azure.IoT Build	19:d4f9e872bf3e	840	else
Azure.IoT Build	19:d4f9e872bf3e	841	{
Azure.IoT Build	19:d4f9e872bf3e	842	bool was_hostName_ok = create_hostName(result, config);
Azure.IoT Build	19:d4f9e872bf3e	843	bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
Azure.IoT Build	19:d4f9e872bf3e	844	bool was_perDeviceList_ok = was_httpApiExHandle_ok && create_perDeviceList(result);
Azure.IoT Build	13:848d52f93daf	845
AzureIoTClient	6:73793bae15ba	846
Azure.IoT Build	19:d4f9e872bf3e	847	if (was_perDeviceList_ok)
Azure.IoT Build	19:d4f9e872bf3e	848	{
Azure.IoT Build	19:d4f9e872bf3e	849	/Codes_SRS_TRANSPORTMULTITHTTP_17_011: [ Otherwise, IoTHubTransportHttp_Create shall succeed and return a non-NULL value. ]/
Azure.IoT Build	19:d4f9e872bf3e	850	result->doBatchedTransfers = false;
Azure.IoT Build	19:d4f9e872bf3e	851	result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
Azure.IoT Build	19:d4f9e872bf3e	852	}
Azure.IoT Build	19:d4f9e872bf3e	853	else
Azure.IoT Build	19:d4f9e872bf3e	854	{
Azure.IoT Build	19:d4f9e872bf3e	855	if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
Azure.IoT Build	19:d4f9e872bf3e	856	if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient	6:73793bae15ba	857
Azure.IoT Build	19:d4f9e872bf3e	858	free(result);
Azure.IoT Build	19:d4f9e872bf3e	859	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	860	}
Azure.IoT Build	19:d4f9e872bf3e	861	}
Azure.IoT Build	19:d4f9e872bf3e	862	}
Azure.IoT Build	19:d4f9e872bf3e	863	return result;
AzureIoTClient	6:73793bae15ba	864	}
AzureIoTClient	6:73793bae15ba	865
AzureIoTClient	18:ab990f6aa61f	866	static void IoTHubTransportHttp_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	6:73793bae15ba	867	{
Azure.IoT Build	19:d4f9e872bf3e	868	/Codes_SRS_TRANSPORTMULTITHTTP_17_012: [ IoTHubTransportHttp_Destroy shall do nothing is handle is NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	869	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	870	{
Azure.IoT Build	19:d4f9e872bf3e	871	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	872	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	873
Azure.IoT Build	19:d4f9e872bf3e	874	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	875
Azure.IoT Build	19:d4f9e872bf3e	876	/Codes_SRS_TRANSPORTMULTITHTTP_17_013: [ Otherwise, IoTHubTransportHttp_Destroy shall free all the resources currently in use. ]/
Azure.IoT Build	19:d4f9e872bf3e	877	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	878	{
AzureIoTClient	35:786954ce12e9	879	listItem = (IOTHUB_DEVICE_HANDLE *)VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	19:d4f9e872bf3e	880	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	881	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	882	free(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	883	}
Azure.IoT Build	13:848d52f93daf	884
AzureIoTClient	35:786954ce12e9	885	destroy_hostName((HTTPTRANSPORT_HANDLE_DATA *)handle);
AzureIoTClient	35:786954ce12e9	886	destroy_httpApiExHandle((HTTPTRANSPORT_HANDLE_DATA *)handle);
AzureIoTClient	22:e0add922c564	887	destroy_perDeviceList((HTTPTRANSPORT_HANDLE_DATA *)handle);
Azure.IoT Build	19:d4f9e872bf3e	888	free(handle);
Azure.IoT Build	19:d4f9e872bf3e	889	}
AzureIoTClient	6:73793bae15ba	890	}
AzureIoTClient	6:73793bae15ba	891
AzureIoTClient	18:ab990f6aa61f	892	static int IoTHubTransportHttp_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	893	{
Azure.IoT Build	19:d4f9e872bf3e	894	int result;
Azure.IoT Build	19:d4f9e872bf3e	895	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	896	{
Azure.IoT Build	19:d4f9e872bf3e	897	/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	898	LogError("invalid arg passed to IoTHubTransportHttp_Subscribe");
AzureIoTClient	28:f57de550d450	899	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	900	}
Azure.IoT Build	19:d4f9e872bf3e	901	else
Azure.IoT Build	19:d4f9e872bf3e	902	{
Azure.IoT Build	19:d4f9e872bf3e	903	/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	904	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	905
Azure.IoT Build	19:d4f9e872bf3e	906	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	907	{
Azure.IoT Build	19:d4f9e872bf3e	908	/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	909	LogError("did not find device in transport handle");
AzureIoTClient	28:f57de550d450	910	result = __FAILURE__;
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	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem;
Azure.IoT Build	13:848d52f93daf	915
Azure.IoT Build	19:d4f9e872bf3e	916	perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	917	/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	918	perDeviceItem->DoWork_PullMessage = true;
Azure.IoT Build	19:d4f9e872bf3e	919	}
Azure.IoT Build	19:d4f9e872bf3e	920	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	921	}
Azure.IoT Build	19:d4f9e872bf3e	922	return result;
AzureIoTClient	6:73793bae15ba	923	}
AzureIoTClient	6:73793bae15ba	924
AzureIoTClient	18:ab990f6aa61f	925	static void IoTHubTransportHttp_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	926	{
Azure.IoT Build	19:d4f9e872bf3e	927	/Codes_SRS_TRANSPORTMULTITHTTP_17_107: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Unsubscribe shall fail do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	928	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	929	{
Azure.IoT Build	19:d4f9e872bf3e	930	/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	931	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	932	/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	933	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	934	{
Azure.IoT Build	19:d4f9e872bf3e	935	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	936	/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	937	perDeviceItem->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	938	}
Azure.IoT Build	19:d4f9e872bf3e	939	else
Azure.IoT Build	19:d4f9e872bf3e	940	{
Azure.IoT Build	19:d4f9e872bf3e	941	LogError("Device not found to unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	942	}
Azure.IoT Build	19:d4f9e872bf3e	943	}
Azure.IoT Build	19:d4f9e872bf3e	944	else
Azure.IoT Build	19:d4f9e872bf3e	945	{
Azure.IoT Build	19:d4f9e872bf3e	946	LogError("Null handle passed to Unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	947	}
AzureIoTClient	6:73793bae15ba	948	}
AzureIoTClient	6:73793bae15ba	949
AzureIoTClient	25:3a68a581d3f9	950	static int IoTHubTransportHttp_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	951	{
AzureIoTClient	25:3a68a581d3f9	952	/Codes_SRS_TRANSPORTMULTITHTTP_02_003: [ IoTHubTransportHttp_Subscribe_DeviceTwin shall return a non-zero value. ]/
AzureIoTClient	25:3a68a581d3f9	953	(void)handle;
AzureIoTClient	28:f57de550d450	954	int result = __FAILURE__;
AzureIoTClient	25:3a68a581d3f9	955	LogError("IoTHubTransportHttp_Subscribe_DeviceTwin Not supported");
AzureIoTClient	25:3a68a581d3f9	956	return result;
AzureIoTClient	25:3a68a581d3f9	957	}
AzureIoTClient	25:3a68a581d3f9	958
AzureIoTClient	25:3a68a581d3f9	959	static void IoTHubTransportHttp_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	960	{
AzureIoTClient	25:3a68a581d3f9	961	(void)handle;
AzureIoTClient	25:3a68a581d3f9	962	/Codes_SRS_TRANSPORTMULTITHTTP_02_004: [ IoTHubTransportHttp_Unsubscribe_DeviceTwin shall return ]/
AzureIoTClient	25:3a68a581d3f9	963	LogError("IoTHubTransportHttp_Unsubscribe_DeviceTwin Not supported");
AzureIoTClient	25:3a68a581d3f9	964	}
AzureIoTClient	25:3a68a581d3f9	965
AzureIoTClient	25:3a68a581d3f9	966	static int IoTHubTransportHttp_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	967	{
AzureIoTClient	25:3a68a581d3f9	968	(void)handle;
AzureIoTClient	28:f57de550d450	969	int result = __FAILURE__;
AzureIoTClient	25:3a68a581d3f9	970	LogError("not implemented (yet)");
AzureIoTClient	25:3a68a581d3f9	971	return result;
AzureIoTClient	25:3a68a581d3f9	972	}
AzureIoTClient	25:3a68a581d3f9	973
AzureIoTClient	25:3a68a581d3f9	974	static void IoTHubTransportHttp_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	25:3a68a581d3f9	975	{
AzureIoTClient	25:3a68a581d3f9	976	(void)handle;
AzureIoTClient	25:3a68a581d3f9	977	LogError("not implemented (yet)");
AzureIoTClient	25:3a68a581d3f9	978	}
AzureIoTClient	25:3a68a581d3f9	979
AzureIoTClient	26:aeabbfa5181a	980	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	981	{
AzureIoTClient	26:aeabbfa5181a	982	(void)handle;
AzureIoTClient	26:aeabbfa5181a	983	(void)methodId;
AzureIoTClient	26:aeabbfa5181a	984	(void)response;
AzureIoTClient	26:aeabbfa5181a	985	(void)response_size;
AzureIoTClient	26:aeabbfa5181a	986	(void)status_response;
AzureIoTClient	26:aeabbfa5181a	987	LogError("not implemented (yet)");
AzureIoTClient	28:f57de550d450	988	return __FAILURE__;
AzureIoTClient	26:aeabbfa5181a	989	}
AzureIoTClient	26:aeabbfa5181a	990
AzureIoTClient	6:73793bae15ba	991	/produces a representation of the properties, if they exist/
AzureIoTClient	6:73793bae15ba	992	/if they do not exist, produces ""/
AzureIoTClient	6:73793bae15ba	993	static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient	6:73793bae15ba	994	{
Azure.IoT Build	19:d4f9e872bf3e	995	int result;
Azure.IoT Build	19:d4f9e872bf3e	996	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	997	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	998	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	999	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	1000	{
AzureIoTClient	28:f57de550d450	1001	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1002	LogError("error while Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	1003	}
Azure.IoT Build	19:d4f9e872bf3e	1004	else
Azure.IoT Build	19:d4f9e872bf3e	1005	{
AzureIoTClient	6:73793bae15ba	1006
Azure.IoT Build	19:d4f9e872bf3e	1007	if (count == 0)
Azure.IoT Build	19:d4f9e872bf3e	1008	{
Azure.IoT Build	19:d4f9e872bf3e	1009	/Codes_SRS_TRANSPORTMULTITHTTP_17_064: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload/
Azure.IoT Build	19:d4f9e872bf3e	1010	/no properties - do nothing with existing/
Azure.IoT Build	19:d4f9e872bf3e	1011	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1012	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	1013	}
Azure.IoT Build	19:d4f9e872bf3e	1014	else
Azure.IoT Build	19:d4f9e872bf3e	1015	{
Azure.IoT Build	19:d4f9e872bf3e	1016	/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	1017	if (STRING_concat(existing, ",\"properties\":") != 0)
Azure.IoT Build	19:d4f9e872bf3e	1018	{
Azure.IoT Build	19:d4f9e872bf3e	1019	/go ahead and return it/
AzureIoTClient	28:f57de550d450	1020	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1021	LogError("failed STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1022	}
Azure.IoT Build	19:d4f9e872bf3e	1023	else if (appendMapToJSON(existing, keys, values, count) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1024	{
AzureIoTClient	28:f57de550d450	1025	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1026	LogError("unable to append the properties");
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	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1031	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1032	*propertiesMessageSizeContribution = 0;
AzureIoTClient	35:786954ce12e9	1033	for (i = 0; i < count; i++)
Azure.IoT Build	19:d4f9e872bf3e	1034	{
Azure.IoT Build	19:d4f9e872bf3e	1035	/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	1036	*propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	1037	}
Azure.IoT Build	19:d4f9e872bf3e	1038	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1039	}
Azure.IoT Build	19:d4f9e872bf3e	1040	}
Azure.IoT Build	19:d4f9e872bf3e	1041	}
Azure.IoT Build	19:d4f9e872bf3e	1042	return result;
AzureIoTClient	6:73793bae15ba	1043	}
AzureIoTClient	6:73793bae15ba	1044
AzureIoTClient	6:73793bae15ba	1045	/produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}/
AzureIoTClient	6:73793bae15ba	1046	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	1047	{
Azure.IoT Build	19:d4f9e872bf3e	1048	int result;
Azure.IoT Build	19:d4f9e872bf3e	1049	if (STRING_concat(existing, "{") != 0)
Azure.IoT Build	19:d4f9e872bf3e	1050	{
Azure.IoT Build	19:d4f9e872bf3e	1051	/go on and return it/
Azure.IoT Build	19:d4f9e872bf3e	1052	LogError("STRING_construct failed");
AzureIoTClient	28:f57de550d450	1053	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1054	}
Azure.IoT Build	19:d4f9e872bf3e	1055	else
Azure.IoT Build	19:d4f9e872bf3e	1056	{
Azure.IoT Build	19:d4f9e872bf3e	1057	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1058	for (i = 0; i < count; i++)
Azure.IoT Build	19:d4f9e872bf3e	1059	{
Azure.IoT Build	19:d4f9e872bf3e	1060	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1061	(STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1062	(STRING_concat(existing, keys[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1063	(STRING_concat(existing, "\":\"") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1064	(STRING_concat(existing, values[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1065	(STRING_concat(existing, "\"") == 0)
Azure.IoT Build	19:d4f9e872bf3e	1066	))
Azure.IoT Build	19:d4f9e872bf3e	1067	{
Azure.IoT Build	19:d4f9e872bf3e	1068	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1069	break;
Azure.IoT Build	19:d4f9e872bf3e	1070	}
Azure.IoT Build	19:d4f9e872bf3e	1071	}
AzureIoTClient	6:73793bae15ba	1072
Azure.IoT Build	19:d4f9e872bf3e	1073	if (i < count)
Azure.IoT Build	19:d4f9e872bf3e	1074	{
AzureIoTClient	28:f57de550d450	1075	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1076	/error, let it go through/
Azure.IoT Build	19:d4f9e872bf3e	1077	}
Azure.IoT Build	19:d4f9e872bf3e	1078	else if (STRING_concat(existing, "}") != 0)
Azure.IoT Build	19:d4f9e872bf3e	1079	{
Azure.IoT Build	19:d4f9e872bf3e	1080	LogError("unable to STRING_concat");
AzureIoTClient	28:f57de550d450	1081	result = __FAILURE__;
Azure.IoT Build	19:d4f9e872bf3e	1082	}
Azure.IoT Build	19:d4f9e872bf3e	1083	else
Azure.IoT Build	19:d4f9e872bf3e	1084	{
Azure.IoT Build	19:d4f9e872bf3e	1085	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1086	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1087	}
Azure.IoT Build	19:d4f9e872bf3e	1088	}
Azure.IoT Build	19:d4f9e872bf3e	1089	return result;
AzureIoTClient	6:73793bae15ba	1090	}
AzureIoTClient	6:73793bae15ba	1091
AzureIoTClient	6:73793bae15ba	1092	/makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
AzureIoTClient	6:73793bae15ba	1093	/return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data/
AzureIoTClient	6:73793bae15ba	1094	static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient	6:73793bae15ba	1095	{
Azure.IoT Build	19:d4f9e872bf3e	1096	STRING_HANDLE result; /temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
Azure.IoT Build	19:d4f9e872bf3e	1097	IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1098	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	17:7ef88cde801f	1099
Azure.IoT Build	19:d4f9e872bf3e	1100	switch (contentType)
Azure.IoT Build	19:d4f9e872bf3e	1101	{
Azure.IoT Build	19:d4f9e872bf3e	1102	case IOTHUBMESSAGE_BYTEARRAY:
Azure.IoT Build	19:d4f9e872bf3e	1103	{
Azure.IoT Build	19:d4f9e872bf3e	1104	result = STRING_construct("{\"body\":\"");
Azure.IoT Build	19:d4f9e872bf3e	1105	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1106	{
Azure.IoT Build	19:d4f9e872bf3e	1107	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1108	}
Azure.IoT Build	19:d4f9e872bf3e	1109	else
Azure.IoT Build	19:d4f9e872bf3e	1110	{
Azure.IoT Build	19:d4f9e872bf3e	1111	const unsigned char* source;
Azure.IoT Build	19:d4f9e872bf3e	1112	size_t size;
AzureIoTClient	6:73793bae15ba	1113
Azure.IoT Build	19:d4f9e872bf3e	1114	if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1115	{
Azure.IoT Build	19:d4f9e872bf3e	1116	LogError("unable to get the data for the message.");
Azure.IoT Build	19:d4f9e872bf3e	1117	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1118	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1119	}
Azure.IoT Build	19:d4f9e872bf3e	1120	else
Azure.IoT Build	19:d4f9e872bf3e	1121	{
Azure.IoT Build	19:d4f9e872bf3e	1122	STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
Azure.IoT Build	19:d4f9e872bf3e	1123	if (encoded == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1124	{
Azure.IoT Build	19:d4f9e872bf3e	1125	LogError("unable to Base64_Encode_Bytes.");
Azure.IoT Build	19:d4f9e872bf3e	1126	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1127	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1128	}
Azure.IoT Build	19:d4f9e872bf3e	1129	else
Azure.IoT Build	19:d4f9e872bf3e	1130	{
AzureIoTClient	35:786954ce12e9	1131	size_t propertiesSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1132	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1133	(STRING_concat_with_STRING(result, encoded) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1134	(STRING_concat(result, "\"") == 0) && /\" because closing value/
Azure.IoT Build	19:d4f9e872bf3e	1135	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1136	(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	1137	))
Azure.IoT Build	19:d4f9e872bf3e	1138	{
Azure.IoT Build	19:d4f9e872bf3e	1139	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1140	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1141	LogError("unable to STRING_concat_with_STRING.");
Azure.IoT Build	19:d4f9e872bf3e	1142	}
Azure.IoT Build	19:d4f9e872bf3e	1143	else
Azure.IoT Build	19:d4f9e872bf3e	1144	{
Azure.IoT Build	19:d4f9e872bf3e	1145	/all is fine... /
Azure.IoT Build	19:d4f9e872bf3e	1146	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1147	*messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1148	}
Azure.IoT Build	19:d4f9e872bf3e	1149	STRING_delete(encoded);
Azure.IoT Build	19:d4f9e872bf3e	1150	}
Azure.IoT Build	19:d4f9e872bf3e	1151	}
Azure.IoT Build	19:d4f9e872bf3e	1152	}
Azure.IoT Build	19:d4f9e872bf3e	1153	break;
Azure.IoT Build	19:d4f9e872bf3e	1154	}
Azure.IoT Build	19:d4f9e872bf3e	1155	/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	1156	case IOTHUBMESSAGE_STRING:
Azure.IoT Build	19:d4f9e872bf3e	1157	{
Azure.IoT Build	19:d4f9e872bf3e	1158	result = STRING_construct("{\"body\":");
Azure.IoT Build	19:d4f9e872bf3e	1159	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1160	{
Azure.IoT Build	19:d4f9e872bf3e	1161	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1162	}
Azure.IoT Build	19:d4f9e872bf3e	1163	else
Azure.IoT Build	19:d4f9e872bf3e	1164	{
Azure.IoT Build	19:d4f9e872bf3e	1165	const char* source = IoTHubMessage_GetString(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1166	if (source == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1167	{
Azure.IoT Build	19:d4f9e872bf3e	1168	LogError("unable to IoTHubMessage_GetString");
Azure.IoT Build	19:d4f9e872bf3e	1169	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1170	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1171	}
Azure.IoT Build	19:d4f9e872bf3e	1172	else
Azure.IoT Build	19:d4f9e872bf3e	1173	{
Azure.IoT Build	19:d4f9e872bf3e	1174	STRING_HANDLE asJson = STRING_new_JSON(source);
Azure.IoT Build	19:d4f9e872bf3e	1175	if (asJson == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1176	{
Azure.IoT Build	19:d4f9e872bf3e	1177	LogError("unable to STRING_new_JSON");
Azure.IoT Build	19:d4f9e872bf3e	1178	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1179	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1180	}
Azure.IoT Build	19:d4f9e872bf3e	1181	else
Azure.IoT Build	19:d4f9e872bf3e	1182	{
AzureIoTClient	35:786954ce12e9	1183	size_t propertiesSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1184	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1185	(STRING_concat_with_STRING(result, asJson) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1186	(STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1187	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1188	(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	1189	))
Azure.IoT Build	19:d4f9e872bf3e	1190	{
Azure.IoT Build	19:d4f9e872bf3e	1191	LogError("unable to STRING_concat_with_STRING");
Azure.IoT Build	19:d4f9e872bf3e	1192	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1193	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1194	}
Azure.IoT Build	19:d4f9e872bf3e	1195	else
Azure.IoT Build	19:d4f9e872bf3e	1196	{
Azure.IoT Build	19:d4f9e872bf3e	1197	/result has the intended content/
Azure.IoT Build	19:d4f9e872bf3e	1198	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1199	*messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1200	}
Azure.IoT Build	19:d4f9e872bf3e	1201	STRING_delete(asJson);
Azure.IoT Build	19:d4f9e872bf3e	1202	}
Azure.IoT Build	19:d4f9e872bf3e	1203	}
Azure.IoT Build	19:d4f9e872bf3e	1204	}
Azure.IoT Build	19:d4f9e872bf3e	1205	break;
Azure.IoT Build	19:d4f9e872bf3e	1206	}
Azure.IoT Build	19:d4f9e872bf3e	1207	default:
Azure.IoT Build	19:d4f9e872bf3e	1208	{
Azure.IoT Build	19:d4f9e872bf3e	1209	LogError("an unknown message type was encountered (%d)", contentType);
Azure.IoT Build	19:d4f9e872bf3e	1210	result = NULL; /unknown message type/
Azure.IoT Build	19:d4f9e872bf3e	1211	break;
Azure.IoT Build	19:d4f9e872bf3e	1212	}
Azure.IoT Build	19:d4f9e872bf3e	1213	}
Azure.IoT Build	19:d4f9e872bf3e	1214	return result;
AzureIoTClient	6:73793bae15ba	1215	}
AzureIoTClient	6:73793bae15ba	1216
AzureIoTClient	6:73793bae15ba	1217	#define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient	6:73793bae15ba	1218	MAKE_PAYLOAD_OK, /returned when there is a payload to be later send by HTTP/ \
AzureIoTClient	6:73793bae15ba	1219	MAKE_PAYLOAD_NO_ITEMS, /returned when there are no items to be send/ \
AzureIoTClient	6:73793bae15ba	1220	MAKE_PAYLOAD_ERROR, /returned when there were errors/ \
AzureIoTClient	6:73793bae15ba	1221	MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /returned when the first item doesn't fit/
AzureIoTClient	6:73793bae15ba	1222
AzureIoTClient	6:73793bae15ba	1223	DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient	6:73793bae15ba	1224
AzureIoTClient	6:73793bae15ba	1225	/this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload/
Azure.IoT Build	13:848d52f93daf	1226	/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	1227	static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_PERDEVICE_DATA* deviceData, STRING_HANDLE* payload)
AzureIoTClient	6:73793bae15ba	1228	{
Azure.IoT Build	19:d4f9e872bf3e	1229	MAKE_PAYLOAD_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	1230	size_t allMessagesSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1231	*payload = STRING_construct("[");
Azure.IoT Build	19:d4f9e872bf3e	1232	if (*payload == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1233	{
Azure.IoT Build	19:d4f9e872bf3e	1234	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1235	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1236	}
Azure.IoT Build	19:d4f9e872bf3e	1237	else
Azure.IoT Build	19:d4f9e872bf3e	1238	{
Azure.IoT Build	19:d4f9e872bf3e	1239	bool isFirst = true;
Azure.IoT Build	19:d4f9e872bf3e	1240	PDLIST_ENTRY actual;
Azure.IoT Build	19:d4f9e872bf3e	1241	bool keepGoing = true; /keepGoing gets sometimes to false from within the loop/
Azure.IoT Build	19:d4f9e872bf3e	1242	/either all the items enter the list or only some/
Azure.IoT Build	19:d4f9e872bf3e	1243	result = MAKE_PAYLOAD_OK; /optimistically initializing it/
Azure.IoT Build	19:d4f9e872bf3e	1244	while (keepGoing && ((actual = deviceData->waitingToSend->Flink) != deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1245	{
Azure.IoT Build	19:d4f9e872bf3e	1246	size_t messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1247	STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
Azure.IoT Build	19:d4f9e872bf3e	1248	if (isFirst)
Azure.IoT Build	19:d4f9e872bf3e	1249	{
Azure.IoT Build	19:d4f9e872bf3e	1250	isFirst = false;
Azure.IoT Build	19:d4f9e872bf3e	1251	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1252	if (temp == NULL) /first item failed to create, nothing to send/
Azure.IoT Build	19:d4f9e872bf3e	1253	{
Azure.IoT Build	19:d4f9e872bf3e	1254	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1255	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1256	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1257	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1258	}
Azure.IoT Build	19:d4f9e872bf3e	1259	else
Azure.IoT Build	19:d4f9e872bf3e	1260	{
Azure.IoT Build	19:d4f9e872bf3e	1261	/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	1262	/Codes_SRS_TRANSPORTMULTITHTTP_17_061: [The message size shall be limited to 255KB - 1 byte.]/
Azure.IoT Build	19:d4f9e872bf3e	1263	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1264	{
Azure.IoT Build	19:d4f9e872bf3e	1265	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1266	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1267	result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
Azure.IoT Build	19:d4f9e872bf3e	1268	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1269	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1270	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1271	}
Azure.IoT Build	19:d4f9e872bf3e	1272	else
Azure.IoT Build	19:d4f9e872bf3e	1273	{
Azure.IoT Build	19:d4f9e872bf3e	1274	if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1275	{
Azure.IoT Build	19:d4f9e872bf3e	1276	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1277	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1278	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1279	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1280	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1281	}
Azure.IoT Build	19:d4f9e872bf3e	1282	else
Azure.IoT Build	19:d4f9e872bf3e	1283	{
Azure.IoT Build	19:d4f9e872bf3e	1284	/first item was put nicely in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1285	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1286	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1287	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1288	}
Azure.IoT Build	19:d4f9e872bf3e	1289	}
Azure.IoT Build	19:d4f9e872bf3e	1290	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1291	}
Azure.IoT Build	19:d4f9e872bf3e	1292	}
Azure.IoT Build	19:d4f9e872bf3e	1293	else
Azure.IoT Build	19:d4f9e872bf3e	1294	{
Azure.IoT Build	19:d4f9e872bf3e	1295	/there is at least 1 item already in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1296	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1297	{
Azure.IoT Build	19:d4f9e872bf3e	1298	/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	1299	/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	1300	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1301	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1302	}
Azure.IoT Build	19:d4f9e872bf3e	1303	else
Azure.IoT Build	19:d4f9e872bf3e	1304	{
Azure.IoT Build	19:d4f9e872bf3e	1305	if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1306	{
Azure.IoT Build	19:d4f9e872bf3e	1307	/this item doesn't make it to the payload, but the payload is valid so far/
Azure.IoT Build	19:d4f9e872bf3e	1308	/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	1309	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1310	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1311	}
Azure.IoT Build	19:d4f9e872bf3e	1312	else if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1313	{
Azure.IoT Build	19:d4f9e872bf3e	1314	/should still send what there is so far.../
Azure.IoT Build	19:d4f9e872bf3e	1315	/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	1316	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1317	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1318	}
Azure.IoT Build	19:d4f9e872bf3e	1319	else
Azure.IoT Build	19:d4f9e872bf3e	1320	{
Azure.IoT Build	19:d4f9e872bf3e	1321	/cool, the payload made it there, let's continue... /
Azure.IoT Build	19:d4f9e872bf3e	1322	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1323	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1324	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1325	}
Azure.IoT Build	19:d4f9e872bf3e	1326	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1327	}
Azure.IoT Build	19:d4f9e872bf3e	1328	}
Azure.IoT Build	19:d4f9e872bf3e	1329	}
AzureIoTClient	6:73793bae15ba	1330
Azure.IoT Build	19:d4f9e872bf3e	1331	/closing the payload/
Azure.IoT Build	19:d4f9e872bf3e	1332	if (result == MAKE_PAYLOAD_OK)
Azure.IoT Build	19:d4f9e872bf3e	1333	{
Azure.IoT Build	19:d4f9e872bf3e	1334	((char)STRING_c_str(payload))[STRING_length(payload) - 1] = ']'; /TODO - do this in STRING_HANDLE*/
Azure.IoT Build	19:d4f9e872bf3e	1335	}
Azure.IoT Build	19:d4f9e872bf3e	1336	else
Azure.IoT Build	19:d4f9e872bf3e	1337	{
Azure.IoT Build	19:d4f9e872bf3e	1338	/no need to close anything/
Azure.IoT Build	19:d4f9e872bf3e	1339	}
Azure.IoT Build	19:d4f9e872bf3e	1340	}
Azure.IoT Build	19:d4f9e872bf3e	1341	return result;
AzureIoTClient	6:73793bae15ba	1342	}
AzureIoTClient	6:73793bae15ba	1343
AzureIoTClient	6:73793bae15ba	1344	static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient	6:73793bae15ba	1345	{
Azure.IoT Build	19:d4f9e872bf3e	1346	/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	1347	DList_AppendTailList(destination->Flink, source);
Azure.IoT Build	19:d4f9e872bf3e	1348	DList_RemoveEntryList(source);
Azure.IoT Build	19:d4f9e872bf3e	1349	DList_InitializeListHead(source);
AzureIoTClient	6:73793bae15ba	1350	}
AzureIoTClient	6:73793bae15ba	1351
Azure.IoT Build	13:848d52f93daf	1352	static void DoEvent(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1353	{
Azure.IoT Build	13:848d52f93daf	1354
Azure.IoT Build	19:d4f9e872bf3e	1355	if (DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1356	{
Azure.IoT Build	19:d4f9e872bf3e	1357	/Codes_SRS_TRANSPORTMULTITHTTP_17_060: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] /
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	/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	1362	if (handleData->doBatchedTransfers)
Azure.IoT Build	19:d4f9e872bf3e	1363	{
Azure.IoT Build	19:d4f9e872bf3e	1364	/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	1365	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1366	{
Azure.IoT Build	19:d4f9e872bf3e	1367	/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	1368	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1369	}
Azure.IoT Build	19:d4f9e872bf3e	1370	else
Azure.IoT Build	19:d4f9e872bf3e	1371	{
Azure.IoT Build	19:d4f9e872bf3e	1372	/Codes_SRS_TRANSPORTMULTITHTTP_17_059: [It shall inspect the "waitingToSend" DLIST passed in config structure.] /
Azure.IoT Build	19:d4f9e872bf3e	1373	STRING_HANDLE payload;
Azure.IoT Build	19:d4f9e872bf3e	1374	switch (makePayload(deviceData, &payload))
Azure.IoT Build	19:d4f9e872bf3e	1375	{
Azure.IoT Build	19:d4f9e872bf3e	1376	case MAKE_PAYLOAD_OK:
Azure.IoT Build	19:d4f9e872bf3e	1377	{
Azure.IoT Build	19:d4f9e872bf3e	1378	/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	1379	BUFFER_HANDLE temp = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1380	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1381	{
Azure.IoT Build	19:d4f9e872bf3e	1382	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1383	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1384	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1385	}
Azure.IoT Build	19:d4f9e872bf3e	1386	else
Azure.IoT Build	19:d4f9e872bf3e	1387	{
Azure.IoT Build	19:d4f9e872bf3e	1388	if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1389	{
Azure.IoT Build	19:d4f9e872bf3e	1390	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1391	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1392	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1393	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
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	unsigned int statusCode;
AzureIoTClient	25:3a68a581d3f9	1398	if (HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1399	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1400	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1401	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1402	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1403	deviceData->eventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1404	temp,
Azure.IoT Build	19:d4f9e872bf3e	1405	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1406	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1407	NULL
AzureIoTClient	35:786954ce12e9	1408	) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1409	{
Azure.IoT Build	19:d4f9e872bf3e	1410	LogError("unable to HTTPAPIEX_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1411	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1412	/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	1413	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1414	}
Azure.IoT Build	19:d4f9e872bf3e	1415	else
Azure.IoT Build	19:d4f9e872bf3e	1416	{
Azure.IoT Build	19:d4f9e872bf3e	1417	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1418	{
Azure.IoT Build	19:d4f9e872bf3e	1419	/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	1420	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK);
Azure.IoT Build	19:d4f9e872bf3e	1421	}
Azure.IoT Build	19:d4f9e872bf3e	1422	else
Azure.IoT Build	19:d4f9e872bf3e	1423	{
Azure.IoT Build	19:d4f9e872bf3e	1424	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1425	/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	1426	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1427	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1428	}
Azure.IoT Build	19:d4f9e872bf3e	1429	}
Azure.IoT Build	19:d4f9e872bf3e	1430	}
Azure.IoT Build	19:d4f9e872bf3e	1431	BUFFER_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1432	}
Azure.IoT Build	19:d4f9e872bf3e	1433	STRING_delete(payload);
Azure.IoT Build	19:d4f9e872bf3e	1434	break;
Azure.IoT Build	19:d4f9e872bf3e	1435	}
Azure.IoT Build	19:d4f9e872bf3e	1436	case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
Azure.IoT Build	19:d4f9e872bf3e	1437	{
Azure.IoT Build	19:d4f9e872bf3e	1438	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1439	break;
Azure.IoT Build	19:d4f9e872bf3e	1440	}
Azure.IoT Build	19:d4f9e872bf3e	1441	case MAKE_PAYLOAD_ERROR:
Azure.IoT Build	19:d4f9e872bf3e	1442	{
Azure.IoT Build	19:d4f9e872bf3e	1443	LogError("unrecoverable errors while building a batch message");
Azure.IoT Build	19:d4f9e872bf3e	1444	break;
Azure.IoT Build	19:d4f9e872bf3e	1445	}
Azure.IoT Build	19:d4f9e872bf3e	1446	case MAKE_PAYLOAD_NO_ITEMS:
Azure.IoT Build	19:d4f9e872bf3e	1447	{
Azure.IoT Build	19:d4f9e872bf3e	1448	/do nothing/
Azure.IoT Build	19:d4f9e872bf3e	1449	break;
Azure.IoT Build	19:d4f9e872bf3e	1450	}
Azure.IoT Build	19:d4f9e872bf3e	1451	default:
Azure.IoT Build	19:d4f9e872bf3e	1452	{
Azure.IoT Build	19:d4f9e872bf3e	1453	LogError("internal error: switch's default branch reached when never intended");
Azure.IoT Build	19:d4f9e872bf3e	1454	break;
Azure.IoT Build	19:d4f9e872bf3e	1455	}
Azure.IoT Build	19:d4f9e872bf3e	1456	}
Azure.IoT Build	19:d4f9e872bf3e	1457	}
Azure.IoT Build	19:d4f9e872bf3e	1458	}
Azure.IoT Build	19:d4f9e872bf3e	1459	else
Azure.IoT Build	19:d4f9e872bf3e	1460	{
AzureIoTClient	35:786954ce12e9	1461	const unsigned char* messageContent = NULL;
AzureIoTClient	35:786954ce12e9	1462	size_t messageSize = 0;
AzureIoTClient	35:786954ce12e9	1463	size_t originalMessageSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1464	IOTHUB_MESSAGE_LIST* message = containingRecord(deviceData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1465	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1466
Azure.IoT Build	19:d4f9e872bf3e	1467	/Codes_SRS_TRANSPORTMULTITHTTP_17_073: [The message size is computed from the length of the payload + 384.]/
Azure.IoT Build	19:d4f9e872bf3e	1468	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1469	(((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
AzureIoTClient	35:786954ce12e9	1470	(IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize) == IOTHUB_MESSAGE_OK))
AzureIoTClient	35:786954ce12e9	1471	? ((void)(messageSize = originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD), 1)
AzureIoTClient	35:786954ce12e9	1472	: 0)
AzureIoTClient	17:7ef88cde801f	1473
Azure.IoT Build	19:d4f9e872bf3e	1474	\|\|
AzureIoTClient	6:73793bae15ba	1475
AzureIoTClient	35:786954ce12e9	1476	((contentType == IOTHUBMESSAGE_STRING) &&
AzureIoTClient	35:786954ce12e9	1477	((void)(messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle)),
AzureIoTClient	35:786954ce12e9	1478	((void)(messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)
AzureIoTClient	35:786954ce12e9	1479	? 0
AzureIoTClient	35:786954ce12e9	1480	: strlen((const char*)messageContent))))),
AzureIoTClient	35:786954ce12e9	1481	messageContent != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1482	)
Azure.IoT Build	19:d4f9e872bf3e	1483	))
Azure.IoT Build	19:d4f9e872bf3e	1484	{
Azure.IoT Build	19:d4f9e872bf3e	1485	LogError("unable to get the message content");
Azure.IoT Build	19:d4f9e872bf3e	1486	/go on.../
Azure.IoT Build	19:d4f9e872bf3e	1487	}
Azure.IoT Build	19:d4f9e872bf3e	1488	else
Azure.IoT Build	19:d4f9e872bf3e	1489	{
Azure.IoT Build	19:d4f9e872bf3e	1490	/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	1491	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1492	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1493	{
Azure.IoT Build	19:d4f9e872bf3e	1494	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1495	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1496	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1497	}
Azure.IoT Build	19:d4f9e872bf3e	1498	else
Azure.IoT Build	19:d4f9e872bf3e	1499	{
Azure.IoT Build	19:d4f9e872bf3e	1500	/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	1501	/Codes_SRS_TRANSPORTMULTITHTTP_17_076: [A clone of the event HTTP request headers shall be created.]/
Azure.IoT Build	19:d4f9e872bf3e	1502	HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(deviceData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1503	if (clonedEventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1504	{
Azure.IoT Build	19:d4f9e872bf3e	1505	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1506	LogError("HTTPHeaders_Clone failed");
Azure.IoT Build	19:d4f9e872bf3e	1507	}
Azure.IoT Build	19:d4f9e872bf3e	1508	else
Azure.IoT Build	19:d4f9e872bf3e	1509	{
Azure.IoT Build	19:d4f9e872bf3e	1510	/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	1511	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1512	{
Azure.IoT Build	19:d4f9e872bf3e	1513	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1514	LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed");
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	/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	1519	MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1520	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	1521	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	1522	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	1523	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	1524	{
AzureIoTClient	32:4d4a226b072b	1525	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1526	LogError("unable to Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	1527	}
Azure.IoT Build	19:d4f9e872bf3e	1528	else
Azure.IoT Build	19:d4f9e872bf3e	1529	{
Azure.IoT Build	19:d4f9e872bf3e	1530	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1531	bool goOn = true;
Azure.IoT Build	19:d4f9e872bf3e	1532	const char* msgId;
Azure.IoT Build	19:d4f9e872bf3e	1533	const char* corrId;
AzureIoTClient	32:4d4a226b072b	1534	const char* userDefinedContentType;
AzureIoTClient	32:4d4a226b072b	1535	const char* contentEncoding;
AzureIoTClient	17:7ef88cde801f	1536
Azure.IoT Build	19:d4f9e872bf3e	1537	for (i = 0; (i < count) && goOn; i++)
Azure.IoT Build	19:d4f9e872bf3e	1538	{
Azure.IoT Build	19:d4f9e872bf3e	1539	/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	1540	messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	1541	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1542	{
Azure.IoT Build	19:d4f9e872bf3e	1543	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1544	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1545	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1546	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1547	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1548	}
Azure.IoT Build	19:d4f9e872bf3e	1549	else
Azure.IoT Build	19:d4f9e872bf3e	1550	{
Azure.IoT Build	19:d4f9e872bf3e	1551	STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
Azure.IoT Build	19:d4f9e872bf3e	1552	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1553	{
Azure.IoT Build	19:d4f9e872bf3e	1554	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1555	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1556	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1557	}
Azure.IoT Build	19:d4f9e872bf3e	1558	else
Azure.IoT Build	19:d4f9e872bf3e	1559	{
Azure.IoT Build	19:d4f9e872bf3e	1560	if (STRING_concat(temp, keys[i]) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1561	{
Azure.IoT Build	19:d4f9e872bf3e	1562	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1563	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1564	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1565	}
Azure.IoT Build	19:d4f9e872bf3e	1566	else
Azure.IoT Build	19:d4f9e872bf3e	1567	{
Azure.IoT Build	19:d4f9e872bf3e	1568	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
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	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1572	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1573	}
Azure.IoT Build	19:d4f9e872bf3e	1574	}
Azure.IoT Build	19:d4f9e872bf3e	1575	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1576	}
Azure.IoT Build	19:d4f9e872bf3e	1577	}
Azure.IoT Build	19:d4f9e872bf3e	1578	}
AzureIoTClient	6:73793bae15ba	1579
Azure.IoT Build	19:d4f9e872bf3e	1580	// Add the Message Id and the Correlation Id
Azure.IoT Build	19:d4f9e872bf3e	1581	msgId = IoTHubMessage_GetMessageId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1582	if (goOn && msgId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1583	{
Azure.IoT Build	19:d4f9e872bf3e	1584	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_MESSAGE_ID, msgId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1585	{
Azure.IoT Build	19:d4f9e872bf3e	1586	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1587	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1588	}
Azure.IoT Build	19:d4f9e872bf3e	1589	}
AzureIoTClient	17:7ef88cde801f	1590
Azure.IoT Build	19:d4f9e872bf3e	1591	corrId = IoTHubMessage_GetCorrelationId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1592	if (goOn && corrId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1593	{
Azure.IoT Build	19:d4f9e872bf3e	1594	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CORRELATION_ID, corrId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1595	{
Azure.IoT Build	19:d4f9e872bf3e	1596	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1597	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1598	}
Azure.IoT Build	19:d4f9e872bf3e	1599	}
AzureIoTClient	7:48f0f78cd3ef	1600
AzureIoTClient	32:4d4a226b072b	1601	// Codes_SRS_TRANSPORTMULTITHTTP_09_001: [ If the IoTHubMessage being sent contains property `content-type` it shall be added to the HTTP headers as "iothub-contenttype":"value". ]
AzureIoTClient	32:4d4a226b072b	1602	userDefinedContentType = IoTHubMessage_GetContentTypeSystemProperty(message->messageHandle);
AzureIoTClient	32:4d4a226b072b	1603	if (goOn && userDefinedContentType != NULL)
AzureIoTClient	32:4d4a226b072b	1604	{
AzureIoTClient	32:4d4a226b072b	1605	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CONTENT_TYPE_D2C, userDefinedContentType) != HTTP_HEADERS_OK)
AzureIoTClient	32:4d4a226b072b	1606	{
AzureIoTClient	32:4d4a226b072b	1607	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair (content-type)");
AzureIoTClient	32:4d4a226b072b	1608	goOn = false;
AzureIoTClient	32:4d4a226b072b	1609	}
AzureIoTClient	32:4d4a226b072b	1610	}
AzureIoTClient	32:4d4a226b072b	1611
AzureIoTClient	32:4d4a226b072b	1612	// Codes_SRS_TRANSPORTMULTITHTTP_09_002: [ If the IoTHubMessage being sent contains property `content-encoding` it shall be added to the HTTP headers as "iothub-contentencoding":"value". ]
AzureIoTClient	32:4d4a226b072b	1613	contentEncoding = IoTHubMessage_GetContentEncodingSystemProperty(message->messageHandle);
AzureIoTClient	32:4d4a226b072b	1614	if (goOn && contentEncoding != NULL)
AzureIoTClient	32:4d4a226b072b	1615	{
AzureIoTClient	32:4d4a226b072b	1616	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CONTENT_ENCODING_D2C, contentEncoding) != HTTP_HEADERS_OK)
AzureIoTClient	32:4d4a226b072b	1617	{
AzureIoTClient	32:4d4a226b072b	1618	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair (content-encoding)");
AzureIoTClient	32:4d4a226b072b	1619	goOn = false;
AzureIoTClient	32:4d4a226b072b	1620	}
AzureIoTClient	32:4d4a226b072b	1621	}
AzureIoTClient	32:4d4a226b072b	1622
Azure.IoT Build	19:d4f9e872bf3e	1623	if (!goOn)
Azure.IoT Build	19:d4f9e872bf3e	1624	{
Azure.IoT Build	19:d4f9e872bf3e	1625	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1626	}
Azure.IoT Build	19:d4f9e872bf3e	1627	else
Azure.IoT Build	19:d4f9e872bf3e	1628	{
Azure.IoT Build	19:d4f9e872bf3e	1629	BUFFER_HANDLE toBeSend = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1630	if (toBeSend == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1631	{
Azure.IoT Build	19:d4f9e872bf3e	1632	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1633	}
Azure.IoT Build	19:d4f9e872bf3e	1634	else
Azure.IoT Build	19:d4f9e872bf3e	1635	{
Azure.IoT Build	19:d4f9e872bf3e	1636	if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1637	{
Azure.IoT Build	19:d4f9e872bf3e	1638	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1639	}
Azure.IoT Build	19:d4f9e872bf3e	1640	else
Azure.IoT Build	19:d4f9e872bf3e	1641	{
AzureIoTClient	20:b652f2e4cccf	1642	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1643	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1644	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1645	{
Azure.IoT Build	19:d4f9e872bf3e	1646	/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	1647	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1648	{
Azure.IoT Build	19:d4f9e872bf3e	1649	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1650	/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	1651	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1652	}
AzureIoTClient	7:48f0f78cd3ef	1653
Azure.IoT Build	19:d4f9e872bf3e	1654	/Codes_SRS_TRANSPORTMULTITHTTP_03_003: [If a deviceSasToken exists, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_ExecuteRequest passing the following parameters] /
Azure.IoT Build	19:d4f9e872bf3e	1655	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1656	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1657	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1658	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1659	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1660	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1661	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1662	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1663	NULL
AzureIoTClient	35:786954ce12e9	1664	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1665	{
Azure.IoT Build	19:d4f9e872bf3e	1666	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1667	}
Azure.IoT Build	19:d4f9e872bf3e	1668	}
Azure.IoT Build	19:d4f9e872bf3e	1669	else
Azure.IoT Build	19:d4f9e872bf3e	1670	{
Azure.IoT Build	19:d4f9e872bf3e	1671	/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	1672	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1673	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1674	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1675	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1676	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1677	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1678	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1679	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1680	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1681	NULL
AzureIoTClient	35:786954ce12e9	1682	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1683	{
Azure.IoT Build	19:d4f9e872bf3e	1684	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1685	}
Azure.IoT Build	19:d4f9e872bf3e	1686	}
Azure.IoT Build	19:d4f9e872bf3e	1687	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1688	{
Azure.IoT Build	19:d4f9e872bf3e	1689	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1690	{
Azure.IoT Build	19:d4f9e872bf3e	1691	/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	1692	PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1693	DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
Azure.IoT Build	19:d4f9e872bf3e	1694	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1695	}
Azure.IoT Build	19:d4f9e872bf3e	1696	else
Azure.IoT Build	19:d4f9e872bf3e	1697	{
Azure.IoT Build	19:d4f9e872bf3e	1698	/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	1699	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1700	}
Azure.IoT Build	19:d4f9e872bf3e	1701	}
Azure.IoT Build	19:d4f9e872bf3e	1702	}
Azure.IoT Build	19:d4f9e872bf3e	1703	BUFFER_delete(toBeSend);
Azure.IoT Build	19:d4f9e872bf3e	1704	}
Azure.IoT Build	19:d4f9e872bf3e	1705	}
Azure.IoT Build	19:d4f9e872bf3e	1706	}
Azure.IoT Build	19:d4f9e872bf3e	1707	}
Azure.IoT Build	19:d4f9e872bf3e	1708	HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1709	}
Azure.IoT Build	19:d4f9e872bf3e	1710	}
Azure.IoT Build	19:d4f9e872bf3e	1711	}
Azure.IoT Build	19:d4f9e872bf3e	1712	}
Azure.IoT Build	19:d4f9e872bf3e	1713	}
AzureIoTClient	6:73793bae15ba	1714	}
AzureIoTClient	6:73793bae15ba	1715
AzureIoTClient	29:e44b1f827914	1716	static bool abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* ETag, IOTHUBMESSAGE_DISPOSITION_RESULT action)
AzureIoTClient	6:73793bae15ba	1717	{
Azure.IoT Build	19:d4f9e872bf3e	1718	/*Codes_SRS_TRANSPORTMULTITHTTP_17_097: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1719	-requestType: POST
AzureIoTClient	25:3a68a581d3f9	1720	-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14"
Azure.IoT Build	19:d4f9e872bf3e	1721	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1722	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1723	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1724	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1725	- statusCode: a pointer to unsigned int which might be examined for logging
Azure.IoT Build	19:d4f9e872bf3e	1726	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1727	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1728	/*Codes_SRS_TRANSPORTMULTITHTTP_17_099: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1729	-requestType: DELETE
AzureIoTClient	25:3a68a581d3f9	1730	-relativePath: abandon relative path begin + value of ETag + "?api-version=2016-11-14"
Azure.IoT Build	19:d4f9e872bf3e	1731	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1732	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1733	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1734	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1735	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1736	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1737	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1738	/*Codes_SRS_TRANSPORTMULTITHTTP_17_101: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1739	-requestType: DELETE
AzureIoTClient	25:3a68a581d3f9	1740	-relativePath: abandon relative path begin + value of ETag +"?api-version=2016-11-14" + "&reject"
Azure.IoT Build	19:d4f9e872bf3e	1741	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1742	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1743	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1744	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1745	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1746	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1747	- responseContent: NULL]*/
AzureIoTClient	17:7ef88cde801f	1748
AzureIoTClient	29:e44b1f827914	1749	bool result;
Azure.IoT Build	19:d4f9e872bf3e	1750	STRING_HANDLE fullAbandonRelativePath = STRING_clone(deviceData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	1751	if (fullAbandonRelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1752	{
Azure.IoT Build	19:d4f9e872bf3e	1753	/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	1754	/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	1755	/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	1756	LogError("unable to STRING_clone");
AzureIoTClient	29:e44b1f827914	1757	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1758	}
Azure.IoT Build	19:d4f9e872bf3e	1759	else
Azure.IoT Build	19:d4f9e872bf3e	1760	{
Azure.IoT Build	19:d4f9e872bf3e	1761	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	1762	if (ETagUnquoted == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1763	{
Azure.IoT Build	19:d4f9e872bf3e	1764	/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	1765	/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	1766	/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	1767	LogError("unable to STRING_construct_n");
AzureIoTClient	29:e44b1f827914	1768	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1769	}
Azure.IoT Build	19:d4f9e872bf3e	1770	else
Azure.IoT Build	19:d4f9e872bf3e	1771	{
Azure.IoT Build	19:d4f9e872bf3e	1772	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1773	(STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
AzureIoTClient	29:e44b1f827914	1774	(STRING_concat(fullAbandonRelativePath, (action == IOTHUBMESSAGE_ABANDONED) ? "/abandon" API_VERSION : ((action == IOTHUBMESSAGE_REJECTED) ? API_VERSION "&reject" : API_VERSION)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1775	))
Azure.IoT Build	19:d4f9e872bf3e	1776	{
Azure.IoT Build	19:d4f9e872bf3e	1777	/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	1778	/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	1779	/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	1780	LogError("unable to STRING_concat");
AzureIoTClient	29:e44b1f827914	1781	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1782	}
Azure.IoT Build	19:d4f9e872bf3e	1783	else
Azure.IoT Build	19:d4f9e872bf3e	1784	{
Azure.IoT Build	19:d4f9e872bf3e	1785	HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1786	if (abandonRequestHttpHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1787	{
Azure.IoT Build	19:d4f9e872bf3e	1788	/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	1789	/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	1790	/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	1791	LogError("unable to HTTPHeaders_Alloc");
AzureIoTClient	29:e44b1f827914	1792	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1793	}
Azure.IoT Build	19:d4f9e872bf3e	1794	else
Azure.IoT Build	19:d4f9e872bf3e	1795	{
Azure.IoT Build	19:d4f9e872bf3e	1796	if (!(
AzureIoTClient	30:655054f86a6e	1797	(addUserAgentHeaderInfo(deviceData->iotHubClientHandle, abandonRequestHttpHeaders) == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1798	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1799	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1800	))
Azure.IoT Build	19:d4f9e872bf3e	1801	{
Azure.IoT Build	19:d4f9e872bf3e	1802	/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	1803	/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	1804	/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	1805	LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
AzureIoTClient	29:e44b1f827914	1806	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1807	}
Azure.IoT Build	19:d4f9e872bf3e	1808	else
Azure.IoT Build	19:d4f9e872bf3e	1809	{
AzureIoTClient	20:b652f2e4cccf	1810	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1811	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1812	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1813	{
Azure.IoT Build	19:d4f9e872bf3e	1814	/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	1815	if (HTTPHeaders_ReplaceHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1816	{
Azure.IoT Build	19:d4f9e872bf3e	1817	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1818	/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	1819	LogError("Unable to replace the old SAS Token.");
AzureIoTClient	29:e44b1f827914	1820	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1821	}
Azure.IoT Build	19:d4f9e872bf3e	1822	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1823	handleData->httpApiExHandle,
AzureIoTClient	29:e44b1f827914	1824	(action == IOTHUBMESSAGE_ABANDONED) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
AzureIoTClient	25:3a68a581d3f9	1825	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	1826	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1827	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1828	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1829	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1830	NULL /- responseContent: NULL] /
AzureIoTClient	35:786954ce12e9	1831	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1832	{
Azure.IoT Build	19:d4f9e872bf3e	1833	/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	1834	/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	1835	/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	1836	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
AzureIoTClient	29:e44b1f827914	1837	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1838	}
Azure.IoT Build	19:d4f9e872bf3e	1839	}
Azure.IoT Build	19:d4f9e872bf3e	1840	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1841	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1842	handleData->httpApiExHandle,
AzureIoTClient	29:e44b1f827914	1843	(action == IOTHUBMESSAGE_ABANDONED) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
AzureIoTClient	25:3a68a581d3f9	1844	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	1845	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1846	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1847	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1848	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1849	NULL /- responseContent: NULL] /
AzureIoTClient	35:786954ce12e9	1850	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1851	{
Azure.IoT Build	19:d4f9e872bf3e	1852	/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	1853	/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	1854	/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	1855	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
AzureIoTClient	29:e44b1f827914	1856	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1857	}
Azure.IoT Build	19:d4f9e872bf3e	1858	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1859	{
Azure.IoT Build	19:d4f9e872bf3e	1860	if (statusCode != 204)
Azure.IoT Build	19:d4f9e872bf3e	1861	{
Azure.IoT Build	19:d4f9e872bf3e	1862	/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	1863	/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	1864	/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	1865	LogError("unexpected status code returned %u (was expecting 204)", statusCode);
AzureIoTClient	29:e44b1f827914	1866	result = false;
Azure.IoT Build	19:d4f9e872bf3e	1867	}
Azure.IoT Build	19:d4f9e872bf3e	1868	else
Azure.IoT Build	19:d4f9e872bf3e	1869	{
Azure.IoT Build	19:d4f9e872bf3e	1870	/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	1871	/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	1872	/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	1873	/all is fine/
AzureIoTClient	29:e44b1f827914	1874	result = true;
Azure.IoT Build	19:d4f9e872bf3e	1875	}
Azure.IoT Build	19:d4f9e872bf3e	1876	}
AzureIoTClient	29:e44b1f827914	1877	else
AzureIoTClient	29:e44b1f827914	1878	{
AzureIoTClient	29:e44b1f827914	1879	result = false;
AzureIoTClient	29:e44b1f827914	1880	}
Azure.IoT Build	19:d4f9e872bf3e	1881	}
Azure.IoT Build	19:d4f9e872bf3e	1882	HTTPHeaders_Free(abandonRequestHttpHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1883	}
Azure.IoT Build	19:d4f9e872bf3e	1884	}
Azure.IoT Build	19:d4f9e872bf3e	1885	STRING_delete(ETagUnquoted);
Azure.IoT Build	19:d4f9e872bf3e	1886	}
Azure.IoT Build	19:d4f9e872bf3e	1887	STRING_delete(fullAbandonRelativePath);
Azure.IoT Build	19:d4f9e872bf3e	1888	}
AzureIoTClient	29:e44b1f827914	1889	return result;
AzureIoTClient	29:e44b1f827914	1890	}
AzureIoTClient	29:e44b1f827914	1891
AzureIoTClient	29:e44b1f827914	1892	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
AzureIoTClient	29:e44b1f827914	1893	{
AzureIoTClient	29:e44b1f827914	1894	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	29:e44b1f827914	1895	if (message_data == NULL)
AzureIoTClient	29:e44b1f827914	1896	{
AzureIoTClient	29:e44b1f827914	1897	/* Codes_SRS_TRANSPORTMULTITHTTP_10_001: [If messageData is NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
AzureIoTClient	29:e44b1f827914	1898	LogError("invalid argument messageData is NULL");
AzureIoTClient	29:e44b1f827914	1899	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1900	}
AzureIoTClient	29:e44b1f827914	1901	else
AzureIoTClient	29:e44b1f827914	1902	{
AzureIoTClient	29:e44b1f827914	1903	if (message_data->messageHandle == NULL)
AzureIoTClient	29:e44b1f827914	1904	{
AzureIoTClient	29:e44b1f827914	1905	/* 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	1906	LogError("invalid message handle");
AzureIoTClient	29:e44b1f827914	1907	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1908	}
AzureIoTClient	29:e44b1f827914	1909	else
AzureIoTClient	29:e44b1f827914	1910	{
AzureIoTClient	29:e44b1f827914	1911	MESSAGE_DISPOSITION_CONTEXT* tc = (MESSAGE_DISPOSITION_CONTEXT*)(message_data->transportContext);
AzureIoTClient	29:e44b1f827914	1912	if (tc == NULL)
AzureIoTClient	29:e44b1f827914	1913	{
AzureIoTClient	29:e44b1f827914	1914	/* 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	1915	LogError("invalid transport context data");
AzureIoTClient	29:e44b1f827914	1916	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1917	}
AzureIoTClient	29:e44b1f827914	1918	else
AzureIoTClient	29:e44b1f827914	1919	{
AzureIoTClient	29:e44b1f827914	1920	if ((tc->handleData == NULL) \|\| (tc->deviceData == NULL) \|\| (tc->etagValue == NULL))
AzureIoTClient	29:e44b1f827914	1921	{
AzureIoTClient	29:e44b1f827914	1922	/* 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	1923	LogError("invalid transport context data");
AzureIoTClient	29:e44b1f827914	1924	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1925	}
AzureIoTClient	29:e44b1f827914	1926	else
AzureIoTClient	29:e44b1f827914	1927	{
AzureIoTClient	29:e44b1f827914	1928	if (abandonOrAcceptMessage(tc->handleData, tc->deviceData, tc->etagValue, disposition))
AzureIoTClient	29:e44b1f827914	1929	{
AzureIoTClient	29:e44b1f827914	1930	result = IOTHUB_CLIENT_OK;
AzureIoTClient	29:e44b1f827914	1931	}
AzureIoTClient	29:e44b1f827914	1932	else
AzureIoTClient	29:e44b1f827914	1933	{
AzureIoTClient	29:e44b1f827914	1934	/* 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	1935	LogError("HTTP Transport layer failed to report %s disposition", ENUM_TO_STRING(IOTHUBMESSAGE_DISPOSITION_RESULT, disposition));
AzureIoTClient	29:e44b1f827914	1936	result = IOTHUB_CLIENT_ERROR;
AzureIoTClient	29:e44b1f827914	1937	}
AzureIoTClient	29:e44b1f827914	1938	}
AzureIoTClient	29:e44b1f827914	1939	free(tc->etagValue);
AzureIoTClient	29:e44b1f827914	1940	free(tc);
AzureIoTClient	29:e44b1f827914	1941	}
AzureIoTClient	29:e44b1f827914	1942	IoTHubMessage_Destroy(message_data->messageHandle);
AzureIoTClient	29:e44b1f827914	1943	}
AzureIoTClient	29:e44b1f827914	1944	free(message_data);
AzureIoTClient	29:e44b1f827914	1945	}
AzureIoTClient	29:e44b1f827914	1946	return result;
AzureIoTClient	29:e44b1f827914	1947	}
AzureIoTClient	29:e44b1f827914	1948
AzureIoTClient	29:e44b1f827914	1949	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	1950	{
AzureIoTClient	29:e44b1f827914	1951	MESSAGE_CALLBACK_INFO* result = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
AzureIoTClient	29:e44b1f827914	1952	if (result == NULL)
AzureIoTClient	29:e44b1f827914	1953	{
AzureIoTClient	29:e44b1f827914	1954	/Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	1955	LogError("malloc failed");
AzureIoTClient	29:e44b1f827914	1956	}
AzureIoTClient	29:e44b1f827914	1957	else
AzureIoTClient	29:e44b1f827914	1958	{
AzureIoTClient	29:e44b1f827914	1959	MESSAGE_DISPOSITION_CONTEXT* tc = (MESSAGE_DISPOSITION_CONTEXT*)malloc(sizeof(MESSAGE_DISPOSITION_CONTEXT));
AzureIoTClient	29:e44b1f827914	1960	if (tc == NULL)
AzureIoTClient	29:e44b1f827914	1961	{
AzureIoTClient	29:e44b1f827914	1962	/Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	1963	LogError("malloc failed");
AzureIoTClient	29:e44b1f827914	1964	free(result);
AzureIoTClient	29:e44b1f827914	1965	result = NULL;
AzureIoTClient	29:e44b1f827914	1966	}
AzureIoTClient	29:e44b1f827914	1967	else
AzureIoTClient	29:e44b1f827914	1968	{
AzureIoTClient	29:e44b1f827914	1969	result->messageHandle = IoTHubMessage_Clone(received_message);
AzureIoTClient	29:e44b1f827914	1970	if (result->messageHandle == NULL)
AzureIoTClient	29:e44b1f827914	1971	{
AzureIoTClient	29:e44b1f827914	1972	/Codes_SRS_TRANSPORTMULTITHTTP_10_007: [If assembling a message clone, _DoWork shall "abandon" the message.]/
AzureIoTClient	29:e44b1f827914	1973	LogError("IoTHubMessage_Clone failed");
AzureIoTClient	29:e44b1f827914	1974	free(tc);
AzureIoTClient	29:e44b1f827914	1975	free(result);
AzureIoTClient	29:e44b1f827914	1976	result = NULL;
AzureIoTClient	29:e44b1f827914	1977	}
AzureIoTClient	29:e44b1f827914	1978	else
AzureIoTClient	29:e44b1f827914	1979	{
AzureIoTClient	29:e44b1f827914	1980	if (mallocAndStrcpy_s(&tc->etagValue, etagValue) != 0)
AzureIoTClient	29:e44b1f827914	1981	{
AzureIoTClient	29:e44b1f827914	1982	LogError("mallocAndStrcpy_s failed");
AzureIoTClient	29:e44b1f827914	1983	free(tc);
AzureIoTClient	29:e44b1f827914	1984	free(result);
AzureIoTClient	29:e44b1f827914	1985	result = NULL;
AzureIoTClient	29:e44b1f827914	1986	}
AzureIoTClient	29:e44b1f827914	1987	else
AzureIoTClient	29:e44b1f827914	1988	{
AzureIoTClient	29:e44b1f827914	1989	tc->handleData = handleData;
AzureIoTClient	29:e44b1f827914	1990	tc->deviceData = deviceData;
AzureIoTClient	29:e44b1f827914	1991
AzureIoTClient	29:e44b1f827914	1992	result->transportContext = tc;
AzureIoTClient	29:e44b1f827914	1993	}
AzureIoTClient	29:e44b1f827914	1994	}
AzureIoTClient	29:e44b1f827914	1995	}
AzureIoTClient	29:e44b1f827914	1996	}
AzureIoTClient	29:e44b1f827914	1997	return result;
AzureIoTClient	6:73793bae15ba	1998	}
AzureIoTClient	6:73793bae15ba	1999
Azure.IoT Build	13:848d52f93daf	2000	static void DoMessages(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	2001	{
Azure.IoT Build	19:d4f9e872bf3e	2002	/Codes_SRS_TRANSPORTMULTITHTTP_17_083: [ If device is not subscribed then _DoWork shall advance to the next action. ] /
Azure.IoT Build	19:d4f9e872bf3e	2003	if (deviceData->DoWork_PullMessage)
Azure.IoT Build	19:d4f9e872bf3e	2004	{
Azure.IoT Build	19:d4f9e872bf3e	2005	/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	2006	/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	2007	/Codes_SRS_TRANSPORTMULTITHTTP_17_122: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] /
Azure.IoT Build	19:d4f9e872bf3e	2008	time_t timeNow = get_time(NULL);
Azure.IoT Build	19:d4f9e872bf3e	2009	bool isPollingAllowed = deviceData->isFirstPoll \|\| (timeNow == (time_t)(-1)) \|\| (get_difftime(timeNow, deviceData->lastPollTime) > handleData->getMinimumPollingTime);
Azure.IoT Build	19:d4f9e872bf3e	2010	if (isPollingAllowed)
Azure.IoT Build	19:d4f9e872bf3e	2011	{
Azure.IoT Build	19:d4f9e872bf3e	2012	HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	2013	if (responseHTTPHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2014	{
Azure.IoT Build	19:d4f9e872bf3e	2015	/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	2016	LogError("unable to HTTPHeaders_Alloc");
Azure.IoT Build	19:d4f9e872bf3e	2017	}
Azure.IoT Build	19:d4f9e872bf3e	2018	else
Azure.IoT Build	19:d4f9e872bf3e	2019	{
Azure.IoT Build	19:d4f9e872bf3e	2020	BUFFER_HANDLE responseContent = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	2021	if (responseContent == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2022	{
Azure.IoT Build	19:d4f9e872bf3e	2023	/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	2024	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	2025	}
Azure.IoT Build	19:d4f9e872bf3e	2026	else
Azure.IoT Build	19:d4f9e872bf3e	2027	{
AzureIoTClient	20:b652f2e4cccf	2028	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	2029	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	2030	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2031	{
Azure.IoT Build	19:d4f9e872bf3e	2032	/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	2033	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->messageHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	2034	{
Azure.IoT Build	19:d4f9e872bf3e	2035	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	2036	/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	2037	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	2038	}
Azure.IoT Build	19:d4f9e872bf3e	2039	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	2040	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	2041	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	2042	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	2043	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	2044	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	2045	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	2046	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	2047	responseContent /responseContent: a new instance of buffer/
AzureIoTClient	35:786954ce12e9	2048	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2049	{
Azure.IoT Build	19:d4f9e872bf3e	2050	/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	2051	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	2052	}
Azure.IoT Build	19:d4f9e872bf3e	2053	}
AzureIoTClient	17:7ef88cde801f	2054
Azure.IoT Build	19:d4f9e872bf3e	2055	/*Codes_SRS_TRANSPORTMULTITHTTP_17_084: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
Azure.IoT Build	19:d4f9e872bf3e	2056	requestType: GET
Azure.IoT Build	19:d4f9e872bf3e	2057	relativePath: the message HTTP relative path
Azure.IoT Build	19:d4f9e872bf3e	2058	requestHttpHeadersHandle: message HTTP request headers created by _Create
Azure.IoT Build	19:d4f9e872bf3e	2059	requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	2060	statusCode: a pointer to unsigned int which shall be later examined
Azure.IoT Build	19:d4f9e872bf3e	2061	responseHeadearsHandle: a new instance of HTTP headers
Azure.IoT Build	19:d4f9e872bf3e	2062	responseContent: a new instance of buffer]
Azure.IoT Build	19:d4f9e872bf3e	2063	*/
Azure.IoT Build	19:d4f9e872bf3e	2064	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	2065	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	2066	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	2067	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	2068	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	2069	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	2070	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	2071	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	2072	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	2073	responseContent /responseContent: a new instance of buffer/
AzureIoTClient	35:786954ce12e9	2074	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2075	{
Azure.IoT Build	19:d4f9e872bf3e	2076	/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	2077	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	2078	}
Azure.IoT Build	19:d4f9e872bf3e	2079	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2080	{
Azure.IoT Build	19:d4f9e872bf3e	2081	/HTTP dialogue was succesfull/
Azure.IoT Build	19:d4f9e872bf3e	2082	if (timeNow == (time_t)(-1))
Azure.IoT Build	19:d4f9e872bf3e	2083	{
Azure.IoT Build	19:d4f9e872bf3e	2084	deviceData->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	2085	}
Azure.IoT Build	19:d4f9e872bf3e	2086	else
Azure.IoT Build	19:d4f9e872bf3e	2087	{
Azure.IoT Build	19:d4f9e872bf3e	2088	deviceData->isFirstPoll = false;
Azure.IoT Build	19:d4f9e872bf3e	2089	deviceData->lastPollTime = timeNow;
Azure.IoT Build	19:d4f9e872bf3e	2090	}
Azure.IoT Build	19:d4f9e872bf3e	2091	if (statusCode == 204)
Azure.IoT Build	19:d4f9e872bf3e	2092	{
Azure.IoT Build	19:d4f9e872bf3e	2093	/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	2094	/this is an expected status code, means "no commands", but logging that creates panic/
AzureIoTClient	6:73793bae15ba	2095
Azure.IoT Build	19:d4f9e872bf3e	2096	/do nothing, advance to next action/
Azure.IoT Build	19:d4f9e872bf3e	2097	}
Azure.IoT Build	19:d4f9e872bf3e	2098	else if (statusCode != 200)
Azure.IoT Build	19:d4f9e872bf3e	2099	{
Azure.IoT Build	19:d4f9e872bf3e	2100	/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	2101	LogError("expected status code was 200, but actually was received %u... moving on", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	2102	}
Azure.IoT Build	19:d4f9e872bf3e	2103	else
Azure.IoT Build	19:d4f9e872bf3e	2104	{
Azure.IoT Build	19:d4f9e872bf3e	2105	/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	2106	const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
Azure.IoT Build	19:d4f9e872bf3e	2107	if (etagValue == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2108	{
Azure.IoT Build	19:d4f9e872bf3e	2109	LogError("unable to find a received header called \"E-Tag\"");
Azure.IoT Build	19:d4f9e872bf3e	2110	}
Azure.IoT Build	19:d4f9e872bf3e	2111	else
Azure.IoT Build	19:d4f9e872bf3e	2112	{
Azure.IoT Build	19:d4f9e872bf3e	2113	/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	2114	size_t etagsize = strlen(etagValue);
Azure.IoT Build	19:d4f9e872bf3e	2115	if (
Azure.IoT Build	19:d4f9e872bf3e	2116	(etagsize < 2) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2117	(etagValue[0] != '"') \|\|
Azure.IoT Build	19:d4f9e872bf3e	2118	(etagValue[etagsize - 1] != '"')
Azure.IoT Build	19:d4f9e872bf3e	2119	)
Azure.IoT Build	19:d4f9e872bf3e	2120	{
Azure.IoT Build	19:d4f9e872bf3e	2121	LogError("ETag is not a valid quoted string");
Azure.IoT Build	19:d4f9e872bf3e	2122	}
Azure.IoT Build	19:d4f9e872bf3e	2123	else
Azure.IoT Build	19:d4f9e872bf3e	2124	{
AzureIoTClient	31:c889be99d3f7	2125	const unsigned char* resp_content;
AzureIoTClient	31:c889be99d3f7	2126	size_t resp_len;
Azure.IoT Build	19:d4f9e872bf3e	2127	/Codes_SRS_TRANSPORTMULTITHTTP_17_089: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] /
AzureIoTClient	31:c889be99d3f7	2128	resp_content = BUFFER_u_char(responseContent);
AzureIoTClient	31:c889be99d3f7	2129	resp_len = BUFFER_length(responseContent);
AzureIoTClient	31:c889be99d3f7	2130	IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(resp_content, resp_len);
Azure.IoT Build	19:d4f9e872bf3e	2131	if (receivedMessage == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2132	{
Azure.IoT Build	19:d4f9e872bf3e	2133	/Codes_SRS_TRANSPORTMULTITHTTP_17_092: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	2134	LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... ");
AzureIoTClient	29:e44b1f827914	2135	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2136	{
AzureIoTClient	29:e44b1f827914	2137	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2138	}
Azure.IoT Build	19:d4f9e872bf3e	2139	}
Azure.IoT Build	19:d4f9e872bf3e	2140	else
Azure.IoT Build	19:d4f9e872bf3e	2141	{
Azure.IoT Build	19:d4f9e872bf3e	2142	/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	2143	/Codes_SRS_TRANSPORTMULTITHTTP_17_091: [The HTTP header of iothub-messageid shall be set in the MessageId.]/
Azure.IoT Build	19:d4f9e872bf3e	2144	size_t nHeaders;
Azure.IoT Build	19:d4f9e872bf3e	2145	if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	2146	{
Azure.IoT Build	19:d4f9e872bf3e	2147	LogError("unable to get the count of HTTP headers");
AzureIoTClient	29:e44b1f827914	2148	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2149	{
AzureIoTClient	29:e44b1f827914	2150	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2151	}
Azure.IoT Build	19:d4f9e872bf3e	2152	}
Azure.IoT Build	19:d4f9e872bf3e	2153	else
Azure.IoT Build	19:d4f9e872bf3e	2154	{
Azure.IoT Build	19:d4f9e872bf3e	2155	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	2156	MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
Azure.IoT Build	19:d4f9e872bf3e	2157	for (i = 0; i < nHeaders; i++)
Azure.IoT Build	19:d4f9e872bf3e	2158	{
Azure.IoT Build	19:d4f9e872bf3e	2159	char* completeHeader;
Azure.IoT Build	19:d4f9e872bf3e	2160	if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	2161	{
Azure.IoT Build	19:d4f9e872bf3e	2162	break;
Azure.IoT Build	19:d4f9e872bf3e	2163	}
Azure.IoT Build	19:d4f9e872bf3e	2164	else
Azure.IoT Build	19:d4f9e872bf3e	2165	{
Azure.IoT Build	19:d4f9e872bf3e	2166	if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2167	{
Azure.IoT Build	19:d4f9e872bf3e	2168	/looks like a property headers/
Azure.IoT Build	19:d4f9e872bf3e	2169	/there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module/
Azure.IoT Build	19:d4f9e872bf3e	2170	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	2171	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2172	{
Azure.IoT Build	19:d4f9e872bf3e	2173	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	2174	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	2175	{
Azure.IoT Build	19:d4f9e872bf3e	2176	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2177	break;
Azure.IoT Build	19:d4f9e872bf3e	2178	}
Azure.IoT Build	19:d4f9e872bf3e	2179	}
Azure.IoT Build	19:d4f9e872bf3e	2180	}
Azure.IoT Build	19:d4f9e872bf3e	2181	else if (strncmp(IOTHUB_MESSAGE_ID, completeHeader, strlen(IOTHUB_MESSAGE_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2182	{
Azure.IoT Build	19:d4f9e872bf3e	2183	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	2184	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2185	{
Azure.IoT Build	19:d4f9e872bf3e	2186	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	2187	if (IoTHubMessage_SetMessageId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	2188	{
Azure.IoT Build	19:d4f9e872bf3e	2189	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2190	break;
Azure.IoT Build	19:d4f9e872bf3e	2191	}
Azure.IoT Build	19:d4f9e872bf3e	2192	}
Azure.IoT Build	19:d4f9e872bf3e	2193	}
Azure.IoT Build	19:d4f9e872bf3e	2194	else if (strncmp(IOTHUB_CORRELATION_ID, completeHeader, strlen(IOTHUB_CORRELATION_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2195	{
Azure.IoT Build	19:d4f9e872bf3e	2196	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	2197	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2198	{
Azure.IoT Build	19:d4f9e872bf3e	2199	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	2200	if (IoTHubMessage_SetCorrelationId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	2201	{
Azure.IoT Build	19:d4f9e872bf3e	2202	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2203	break;
Azure.IoT Build	19:d4f9e872bf3e	2204	}
Azure.IoT Build	19:d4f9e872bf3e	2205	}
Azure.IoT Build	19:d4f9e872bf3e	2206	}
AzureIoTClient	34:5aa0b7670697	2207	// Codes_SRS_TRANSPORTMULTITHTTP_09_003: [ The HTTP header value of `ContentType` shall be set in the `IoTHubMessage_SetContentTypeSystemProperty`. ]
AzureIoTClient	32:4d4a226b072b	2208	else if (strncmp(IOTHUB_CONTENT_TYPE_C2D, completeHeader, strlen(IOTHUB_CONTENT_TYPE_C2D)) == 0)
AzureIoTClient	32:4d4a226b072b	2209	{
AzureIoTClient	32:4d4a226b072b	2210	char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient	32:4d4a226b072b	2211	if (whereIsColon != NULL)
AzureIoTClient	32:4d4a226b072b	2212	{
AzureIoTClient	32:4d4a226b072b	2213	whereIsColon = '\0'; /cut it down*/
AzureIoTClient	32:4d4a226b072b	2214	if (IoTHubMessage_SetContentTypeSystemProperty(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
AzureIoTClient	32:4d4a226b072b	2215	{
AzureIoTClient	32:4d4a226b072b	2216	LogError("Failed setting IoTHubMessage content-type");
AzureIoTClient	32:4d4a226b072b	2217	free(completeHeader);
AzureIoTClient	32:4d4a226b072b	2218	break;
AzureIoTClient	32:4d4a226b072b	2219	}
AzureIoTClient	32:4d4a226b072b	2220	}
AzureIoTClient	32:4d4a226b072b	2221	}
AzureIoTClient	34:5aa0b7670697	2222	// Codes_SRS_TRANSPORTMULTITHTTP_09_004: [ The HTTP header value of `ContentEncoding` shall be set in the `IoTHub_SetContentEncoding`. ]
AzureIoTClient	32:4d4a226b072b	2223	else if (strncmp(IOTHUB_CONTENT_ENCODING_C2D, completeHeader, strlen(IOTHUB_CONTENT_ENCODING_C2D)) == 0)
AzureIoTClient	32:4d4a226b072b	2224	{
AzureIoTClient	32:4d4a226b072b	2225	char* whereIsColon = strchr(completeHeader, ':');
AzureIoTClient	32:4d4a226b072b	2226	if (whereIsColon != NULL)
AzureIoTClient	32:4d4a226b072b	2227	{
AzureIoTClient	32:4d4a226b072b	2228	whereIsColon = '\0'; /cut it down*/
AzureIoTClient	32:4d4a226b072b	2229	if (IoTHubMessage_SetContentEncodingSystemProperty(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
AzureIoTClient	32:4d4a226b072b	2230	{
AzureIoTClient	32:4d4a226b072b	2231	LogError("Failed setting IoTHubMessage content-encoding");
AzureIoTClient	32:4d4a226b072b	2232	free(completeHeader);
AzureIoTClient	32:4d4a226b072b	2233	break;
AzureIoTClient	32:4d4a226b072b	2234	}
AzureIoTClient	32:4d4a226b072b	2235	}
AzureIoTClient	32:4d4a226b072b	2236	}
AzureIoTClient	32:4d4a226b072b	2237
Azure.IoT Build	19:d4f9e872bf3e	2238	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	2239	}
Azure.IoT Build	19:d4f9e872bf3e	2240	}
AzureIoTClient	6:73793bae15ba	2241
Azure.IoT Build	19:d4f9e872bf3e	2242	if (i < nHeaders)
Azure.IoT Build	19:d4f9e872bf3e	2243	{
AzureIoTClient	29:e44b1f827914	2244	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2245	{
AzureIoTClient	29:e44b1f827914	2246	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2247	}
Azure.IoT Build	19:d4f9e872bf3e	2248	}
Azure.IoT Build	19:d4f9e872bf3e	2249	else
Azure.IoT Build	19:d4f9e872bf3e	2250	{
AzureIoTClient	29:e44b1f827914	2251	MESSAGE_CALLBACK_INFO* messageData = MESSAGE_CALLBACK_INFO_Create(receivedMessage, handleData, deviceData, etagValue);
AzureIoTClient	29:e44b1f827914	2252	if (messageData == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2253	{
AzureIoTClient	29:e44b1f827914	2254	/Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	2255	LogError("failed to assemble callback info");
AzureIoTClient	29:e44b1f827914	2256	if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
AzureIoTClient	29:e44b1f827914	2257	{
AzureIoTClient	29:e44b1f827914	2258	LogError("HTTP Transport layer failed to report ABANDON disposition");
AzureIoTClient	29:e44b1f827914	2259	}
Azure.IoT Build	19:d4f9e872bf3e	2260	}
Azure.IoT Build	19:d4f9e872bf3e	2261	else
Azure.IoT Build	19:d4f9e872bf3e	2262	{
AzureIoTClient	29:e44b1f827914	2263	bool abandon;
AzureIoTClient	29:e44b1f827914	2264	if (IoTHubClient_LL_MessageCallback(iotHubClientHandle, messageData))
AzureIoTClient	29:e44b1f827914	2265	{
AzureIoTClient	29:e44b1f827914	2266	abandon = false;
AzureIoTClient	29:e44b1f827914	2267	}
AzureIoTClient	29:e44b1f827914	2268	else
AzureIoTClient	29:e44b1f827914	2269	{
AzureIoTClient	29:e44b1f827914	2270	LogError("IoTHubClient_LL_MessageCallback failed");
AzureIoTClient	29:e44b1f827914	2271	abandon = true;
AzureIoTClient	29:e44b1f827914	2272	}
AzureIoTClient	29:e44b1f827914	2273
AzureIoTClient	29:e44b1f827914	2274	/Codes_SRS_TRANSPORTMULTITHTTP_17_096: [If IoTHubClient_LL_MessageCallback returns false then _DoWork shall "abandon" the message.] /
AzureIoTClient	29:e44b1f827914	2275	if (abandon)
AzureIoTClient	29:e44b1f827914	2276	{
AzureIoTClient	29:e44b1f827914	2277	(void)IoTHubTransportHttp_SendMessageDisposition(messageData, IOTHUBMESSAGE_ABANDONED);
AzureIoTClient	29:e44b1f827914	2278	}
Azure.IoT Build	19:d4f9e872bf3e	2279	}
Azure.IoT Build	19:d4f9e872bf3e	2280	}
Azure.IoT Build	19:d4f9e872bf3e	2281	}
Azure.IoT Build	19:d4f9e872bf3e	2282	IoTHubMessage_Destroy(receivedMessage);
Azure.IoT Build	19:d4f9e872bf3e	2283	}
Azure.IoT Build	19:d4f9e872bf3e	2284	}
Azure.IoT Build	19:d4f9e872bf3e	2285	}
Azure.IoT Build	19:d4f9e872bf3e	2286	}
Azure.IoT Build	19:d4f9e872bf3e	2287	}
Azure.IoT Build	19:d4f9e872bf3e	2288	BUFFER_delete(responseContent);
Azure.IoT Build	19:d4f9e872bf3e	2289	}
Azure.IoT Build	19:d4f9e872bf3e	2290	HTTPHeaders_Free(responseHTTPHeaders);
Azure.IoT Build	19:d4f9e872bf3e	2291	}
Azure.IoT Build	19:d4f9e872bf3e	2292	}
Azure.IoT Build	19:d4f9e872bf3e	2293	else
Azure.IoT Build	19:d4f9e872bf3e	2294	{
Azure.IoT Build	19:d4f9e872bf3e	2295	/isPollingAllowed is false... /
Azure.IoT Build	19:d4f9e872bf3e	2296	/do nothing "shall be ignored/
Azure.IoT Build	19:d4f9e872bf3e	2297	}
Azure.IoT Build	19:d4f9e872bf3e	2298	}
AzureIoTClient	6:73793bae15ba	2299	}
AzureIoTClient	6:73793bae15ba	2300
AzureIoTClient	25:3a68a581d3f9	2301	static IOTHUB_PROCESS_ITEM_RESULT IoTHubTransportHttp_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
AzureIoTClient	25:3a68a581d3f9	2302	{
AzureIoTClient	25:3a68a581d3f9	2303	(void)handle;
AzureIoTClient	25:3a68a581d3f9	2304	(void)item_type;
AzureIoTClient	25:3a68a581d3f9	2305	(void)iothub_item;
AzureIoTClient	25:3a68a581d3f9	2306	LogError("Currently Not Supported.");
AzureIoTClient	25:3a68a581d3f9	2307	return IOTHUB_PROCESS_ERROR;
AzureIoTClient	25:3a68a581d3f9	2308	}
AzureIoTClient	25:3a68a581d3f9	2309
AzureIoTClient	18:ab990f6aa61f	2310	static void IoTHubTransportHttp_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	2311	{
Azure.IoT Build	19:d4f9e872bf3e	2312	/Codes_SRS_TRANSPORTMULTITHTTP_17_049: [ If handle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2313	/Codes_SRS_TRANSPORTMULTITHTTP_17_140: [ If iotHubClientHandle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	2314
Azure.IoT Build	19:d4f9e872bf3e	2315	(void)iotHubClientHandle; // use the perDevice handle.
Azure.IoT Build	19:d4f9e872bf3e	2316	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2317	{
Azure.IoT Build	19:d4f9e872bf3e	2318	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2319	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	19:d4f9e872bf3e	2320	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	2321	/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	2322	/Codes_SRS_TRANSPORTMULTITHTTP_17_050: [ IoTHubTransportHttp_DoWork shall call loop through the device list. ] /
Azure.IoT Build	19:d4f9e872bf3e	2323	/Codes_SRS_TRANSPORTMULTITHTTP_17_051: [ IF the list is empty, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2324	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	2325	{
AzureIoTClient	35:786954ce12e9	2326	listItem = (IOTHUB_DEVICE_HANDLE *)VECTOR_element(handleData->perDeviceList, i);
AzureIoTClient	22:e0add922c564	2327	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA*)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2328	DoEvent(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	19:d4f9e872bf3e	2329	DoMessages(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	13:848d52f93daf	2330
Azure.IoT Build	19:d4f9e872bf3e	2331	}
Azure.IoT Build	19:d4f9e872bf3e	2332	}
Azure.IoT Build	19:d4f9e872bf3e	2333	else
Azure.IoT Build	19:d4f9e872bf3e	2334	{
Azure.IoT Build	19:d4f9e872bf3e	2335	LogError("Invalid Argument NULL call on DoWork.");
Azure.IoT Build	19:d4f9e872bf3e	2336	}
AzureIoTClient	6:73793bae15ba	2337	}
AzureIoTClient	6:73793bae15ba	2338
AzureIoTClient	18:ab990f6aa61f	2339	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient	6:73793bae15ba	2340	{
Azure.IoT Build	19:d4f9e872bf3e	2341	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	6:73793bae15ba	2342
Azure.IoT Build	19:d4f9e872bf3e	2343	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2344	{
Azure.IoT Build	19:d4f9e872bf3e	2345	/Codes_SRS_TRANSPORTMULTITHTTP_17_111: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter. ]/
Azure.IoT Build	19:d4f9e872bf3e	2346	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2347	LogError("Invalid handle to IoTHubClient HTTP transport instance.");
Azure.IoT Build	19:d4f9e872bf3e	2348	}
Azure.IoT Build	19:d4f9e872bf3e	2349	else if (iotHubClientStatus == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2350	{
Azure.IoT Build	19:d4f9e872bf3e	2351	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2352	LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.");
Azure.IoT Build	19:d4f9e872bf3e	2353	}
Azure.IoT Build	19:d4f9e872bf3e	2354	else
Azure.IoT Build	19:d4f9e872bf3e	2355	{
Azure.IoT Build	19:d4f9e872bf3e	2356	/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	2357	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	2358	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2359	{
Azure.IoT Build	19:d4f9e872bf3e	2360	/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	2361	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2362	LogError("Device not found in transport list.");
Azure.IoT Build	19:d4f9e872bf3e	2363	}
Azure.IoT Build	19:d4f9e872bf3e	2364	else
Azure.IoT Build	19:d4f9e872bf3e	2365	{
Azure.IoT Build	19:d4f9e872bf3e	2366	HTTPTRANSPORT_PERDEVICE_DATA* deviceData = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2367	/* 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	2368	if (!DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	2369	{
Azure.IoT Build	19:d4f9e872bf3e	2370	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
Azure.IoT Build	19:d4f9e872bf3e	2371	}
Azure.IoT Build	19:d4f9e872bf3e	2372	/* 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	2373	else
Azure.IoT Build	19:d4f9e872bf3e	2374	{
Azure.IoT Build	19:d4f9e872bf3e	2375	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
Azure.IoT Build	19:d4f9e872bf3e	2376	}
Azure.IoT Build	19:d4f9e872bf3e	2377	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2378	}
Azure.IoT Build	19:d4f9e872bf3e	2379	}
AzureIoTClient	6:73793bae15ba	2380
Azure.IoT Build	19:d4f9e872bf3e	2381	return result;
AzureIoTClient	6:73793bae15ba	2382	}
AzureIoTClient	6:73793bae15ba	2383
AzureIoTClient	18:ab990f6aa61f	2384	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient	6:73793bae15ba	2385	{
Azure.IoT Build	19:d4f9e872bf3e	2386	IOTHUB_CLIENT_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	2387	/Codes_SRS_TRANSPORTMULTITHTTP_17_114: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2388	/Codes_SRS_TRANSPORTMULTITHTTP_17_115: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2389	/Codes_SRS_TRANSPORTMULTITHTTP_17_116: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2390	if (
Azure.IoT Build	19:d4f9e872bf3e	2391	(handle == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2392	(option == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2393	(value == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2394	)
Azure.IoT Build	19:d4f9e872bf3e	2395	{
Azure.IoT Build	19:d4f9e872bf3e	2396	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2397	LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption");
Azure.IoT Build	19:d4f9e872bf3e	2398	}
Azure.IoT Build	19:d4f9e872bf3e	2399	else
Azure.IoT Build	19:d4f9e872bf3e	2400	{
Azure.IoT Build	19:d4f9e872bf3e	2401	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2402	/Codes_SRS_TRANSPORTMULTITHTTP_17_120: ["Batching"] /
AzureIoTClient	22:e0add922c564	2403	if (strcmp(OPTION_BATCHING, option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2404	{
Azure.IoT Build	19:d4f9e872bf3e	2405	/Codes_SRS_TRANSPORTMULTITHTTP_17_117: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] /
Azure.IoT Build	19:d4f9e872bf3e	2406	handleData->doBatchedTransfers = (bool)value;
Azure.IoT Build	19:d4f9e872bf3e	2407	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2408	}
Azure.IoT Build	19:d4f9e872bf3e	2409	/Codes_SRS_TRANSPORTMULTITHTTP_17_121: ["MinimumPollingTime"] /
AzureIoTClient	22:e0add922c564	2410	else if (strcmp(OPTION_MIN_POLLING_TIME, option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2411	{
Azure.IoT Build	19:d4f9e872bf3e	2412	handleData->getMinimumPollingTime = (unsigned int)value;
Azure.IoT Build	19:d4f9e872bf3e	2413	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2414	}
Azure.IoT Build	19:d4f9e872bf3e	2415	else
Azure.IoT Build	19:d4f9e872bf3e	2416	{
Azure.IoT Build	19:d4f9e872bf3e	2417	/Codes_SRS_TRANSPORTMULTITHTTP_17_126: [ "TrustedCerts"] /
Azure.IoT Build	19:d4f9e872bf3e	2418	/Codes_SRS_TRANSPORTMULTITHTTP_17_127: [ NULL shall be allowed. ]/
Azure.IoT Build	19:d4f9e872bf3e	2419	/Codes_SRS_TRANSPORTMULTITHTTP_17_129: [ This option shall passed down to the lower layer by calling HTTPAPIEX_SetOption. ]/
Azure.IoT Build	19:d4f9e872bf3e	2420	/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	2421	HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
Azure.IoT Build	19:d4f9e872bf3e	2422	/Codes_SRS_TRANSPORTMULTITHTTP_17_119: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] /
Azure.IoT Build	19:d4f9e872bf3e	2423	if (HTTPAPIEX_result == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2424	{
Azure.IoT Build	19:d4f9e872bf3e	2425	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2426	}
Azure.IoT Build	19:d4f9e872bf3e	2427	else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
Azure.IoT Build	19:d4f9e872bf3e	2428	{
Azure.IoT Build	19:d4f9e872bf3e	2429	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2430	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2431	}
Azure.IoT Build	19:d4f9e872bf3e	2432	else
Azure.IoT Build	19:d4f9e872bf3e	2433	{
Azure.IoT Build	19:d4f9e872bf3e	2434	result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	2435	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2436	}
Azure.IoT Build	19:d4f9e872bf3e	2437	}
Azure.IoT Build	19:d4f9e872bf3e	2438	}
Azure.IoT Build	19:d4f9e872bf3e	2439	return result;
AzureIoTClient	6:73793bae15ba	2440	}
AzureIoTClient	18:ab990f6aa61f	2441
AzureIoTClient	18:ab990f6aa61f	2442	static STRING_HANDLE IoTHubTransportHttp_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	18:ab990f6aa61f	2443	{
AzureIoTClient	18:ab990f6aa61f	2444	STRING_HANDLE result;
AzureIoTClient	18:ab990f6aa61f	2445	/Codes_SRS_TRANSPORTMULTITHTTP_02_001: [ If handle is NULL then IoTHubTransportHttp_GetHostname shall fail and return NULL. ]/
AzureIoTClient	18:ab990f6aa61f	2446	if (handle == NULL)
AzureIoTClient	18:ab990f6aa61f	2447	{
AzureIoTClient	18:ab990f6aa61f	2448	LogError("invalid parameter handle=%p", handle);
AzureIoTClient	18:ab990f6aa61f	2449	result = NULL;
AzureIoTClient	18:ab990f6aa61f	2450	}
AzureIoTClient	30:655054f86a6e	2451	/Codes_SRS_TRANSPORTMULTITHTTP_02_002: [ Otherwise IoTHubTransportHttp_GetHostname shall return a non-NULL STRING_HANDLE containing the hostname. ]/
AzureIoTClient	30:655054f86a6e	2452	else if ((result = STRING_clone(((HTTPTRANSPORT_HANDLE_DATA*)(handle))->hostName)) == NULL)
AzureIoTClient	18:ab990f6aa61f	2453	{
AzureIoTClient	30:655054f86a6e	2454	LogError("Cannot provide the target host name (STRING_clone failed).");
AzureIoTClient	18:ab990f6aa61f	2455	}
AzureIoTClient	30:655054f86a6e	2456
AzureIoTClient	18:ab990f6aa61f	2457	return result;
AzureIoTClient	18:ab990f6aa61f	2458	}
AzureIoTClient	18:ab990f6aa61f	2459
AzureIoTClient	25:3a68a581d3f9	2460	static int IoTHubTransportHttp_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
AzureIoTClient	25:3a68a581d3f9	2461	{
AzureIoTClient	25:3a68a581d3f9	2462	int result;
AzureIoTClient	25:3a68a581d3f9	2463	(void)handle;
AzureIoTClient	25:3a68a581d3f9	2464	(void)retryPolicy;
AzureIoTClient	25:3a68a581d3f9	2465	(void)retryTimeoutLimitInSeconds;
AzureIoTClient	25:3a68a581d3f9	2466
AzureIoTClient	25:3a68a581d3f9	2467	/* Retry Policy is not currently not available for HTTP */
AzureIoTClient	25:3a68a581d3f9	2468
AzureIoTClient	25:3a68a581d3f9	2469	result = 0;
AzureIoTClient	25:3a68a581d3f9	2470	return result;
AzureIoTClient	25:3a68a581d3f9	2471	}
AzureIoTClient	25:3a68a581d3f9	2472
AzureIoTClient	18:ab990f6aa61f	2473	/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	2474	static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient	18:ab990f6aa61f	2475	{
AzureIoTClient	29:e44b1f827914	2476	IoTHubTransportHttp_SendMessageDisposition, /pfIotHubTransport_SendMessageDisposition IoTHubTransport_SendMessageDisposition;/
AzureIoTClient	25:3a68a581d3f9	2477	IoTHubTransportHttp_Subscribe_DeviceMethod, /pfIoTHubTransport_Subscribe_DeviceMethod IoTHubTransport_Subscribe_DeviceMethod;/
AzureIoTClient	25:3a68a581d3f9	2478	IoTHubTransportHttp_Unsubscribe_DeviceMethod, /pfIoTHubTransport_Unsubscribe_DeviceMethod IoTHubTransport_Unsubscribe_DeviceMethod;/
AzureIoTClient	26:aeabbfa5181a	2479	IoTHubTransportHttp_DeviceMethod_Response, /pfIoTHubTransport_DeviceMethod_Response IoTHubTransport_DeviceMethod_Response;/
AzureIoTClient	25:3a68a581d3f9	2480	IoTHubTransportHttp_Subscribe_DeviceTwin, /pfIoTHubTransport_Subscribe_DeviceTwin IoTHubTransport_Subscribe_DeviceTwin;/
AzureIoTClient	25:3a68a581d3f9	2481	IoTHubTransportHttp_Unsubscribe_DeviceTwin, /pfIoTHubTransport_Unsubscribe_DeviceTwin IoTHubTransport_Unsubscribe_DeviceTwin;/
AzureIoTClient	25:3a68a581d3f9	2482	IoTHubTransportHttp_ProcessItem, /pfIoTHubTransport_ProcessItem IoTHubTransport_ProcessItem;/
AzureIoTClient	25:3a68a581d3f9	2483	IoTHubTransportHttp_GetHostname, /pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname;/
AzureIoTClient	25:3a68a581d3f9	2484	IoTHubTransportHttp_SetOption, /pfIoTHubTransport_SetOption IoTHubTransport_SetOption;/
AzureIoTClient	25:3a68a581d3f9	2485	IoTHubTransportHttp_Create, /pfIoTHubTransport_Create IoTHubTransport_Create;/
AzureIoTClient	25:3a68a581d3f9	2486	IoTHubTransportHttp_Destroy, /pfIoTHubTransport_Destroy IoTHubTransport_Destroy;/
AzureIoTClient	25:3a68a581d3f9	2487	IoTHubTransportHttp_Register, /pfIotHubTransport_Register IoTHubTransport_Register;/
AzureIoTClient	25:3a68a581d3f9	2488	IoTHubTransportHttp_Unregister, /pfIotHubTransport_Unregister IoTHubTransport_Unegister;/
AzureIoTClient	25:3a68a581d3f9	2489	IoTHubTransportHttp_Subscribe, /pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe;/
AzureIoTClient	25:3a68a581d3f9	2490	IoTHubTransportHttp_Unsubscribe, /pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe;/
AzureIoTClient	25:3a68a581d3f9	2491	IoTHubTransportHttp_DoWork, /pfIoTHubTransport_DoWork IoTHubTransport_DoWork;/
AzureIoTClient	25:3a68a581d3f9	2492	IoTHubTransportHttp_SetRetryPolicy, /pfIoTHubTransport_DoWork IoTHubTransport_SetRetryPolicy;/
AzureIoTClient	25:3a68a581d3f9	2493	IoTHubTransportHttp_GetSendStatus /pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus;/
AzureIoTClient	18:ab990f6aa61f	2494	};
AzureIoTClient	18:ab990f6aa61f	2495
AzureIoTClient	18:ab990f6aa61f	2496	const TRANSPORT_PROVIDER* HTTP_Protocol(void)
AzureIoTClient	18:ab990f6aa61f	2497	{
AzureIoTClient	18:ab990f6aa61f	2498	return &thisTransportProvider;
AzureIoTClient	18:ab990f6aa61f	2499	}

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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@35:786954ce12e9, 2018-03-05 (annotated)

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