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@20:b652f2e4cccf, 2016-07-18 (annotated)

Committer:: AzureIoTClient
Date:: Mon Jul 18 16:44:33 2016 -0700
Revision:: 20:b652f2e4cccf
Parent:: 19:d4f9e872bf3e
Child:: 21:b601705c82a8

1.0.11

Who changed what in which revision?

User	Revision	Line number	New contents of line
AzureIoTClient	6:73793bae15ba	1	// Copyright (c) Microsoft. All rights reserved.
AzureIoTClient	6:73793bae15ba	2	// Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient	6:73793bae15ba	3
AzureIoTClient	6:73793bae15ba	4	#include <stdlib.h>
AzureIoTClient	6:73793bae15ba	5	#ifdef _CRTDBG_MAP_ALLOC
AzureIoTClient	6:73793bae15ba	6	#include <crtdbg.h>
AzureIoTClient	6:73793bae15ba	7	#endif
Azure.IoT Build	15:52602fffff8d	8	#include "azure_c_shared_utility/gballoc.h"
AzureIoTClient	6:73793bae15ba	9
AzureIoTClient	6:73793bae15ba	10	#include <time.h>
AzureIoTClient	11:495deb847d9c	11	#include "iothub_client_version.h"
AzureIoTClient	6:73793bae15ba	12	#include "iothub_client_private.h"
Azure.IoT Build	15:52602fffff8d	13	#include "iothub_transport_ll.h"
AzureIoTClient	6:73793bae15ba	14	#include "iothubtransporthttp.h"
AzureIoTClient	6:73793bae15ba	15
Azure.IoT Build	15:52602fffff8d	16	#include "azure_c_shared_utility/httpapiexsas.h"
Azure.IoT Build	15:52602fffff8d	17	#include "azure_c_shared_utility/urlencode.h"
Azure.IoT Build	19:d4f9e872bf3e	18	#include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build	15:52602fffff8d	19	#include "azure_c_shared_utility/httpapiex.h"
Azure.IoT Build	15:52602fffff8d	20	#include "azure_c_shared_utility/httpapiexsas.h"
Azure.IoT Build	15:52602fffff8d	21	#include "azure_c_shared_utility/strings.h"
Azure.IoT Build	15:52602fffff8d	22	#include "azure_c_shared_utility/base64.h"
Azure.IoT Build	15:52602fffff8d	23	#include "azure_c_shared_utility/doublylinkedlist.h"
Azure.IoT Build	15:52602fffff8d	24	#include "azure_c_shared_utility/vector.h"
Azure.IoT Build	15:52602fffff8d	25	#include "azure_c_shared_utility/httpheaders.h"
Azure.IoT Build	15:52602fffff8d	26	#include "azure_c_shared_utility/agenttime.h"
AzureIoTClient	6:73793bae15ba	27
AzureIoTClient	6:73793bae15ba	28	#define IOTHUB_APP_PREFIX "iothub-app-"
AzureIoTClient	7:48f0f78cd3ef	29	const char* IOTHUB_MESSAGE_ID = "iothub-messageid";
AzureIoTClient	7:48f0f78cd3ef	30	const char* IOTHUB_CORRELATION_ID = "iothub-correlationid";
AzureIoTClient	6:73793bae15ba	31
AzureIoTClient	6:73793bae15ba	32	#define CONTENT_TYPE "Content-Type"
AzureIoTClient	6:73793bae15ba	33	#define APPLICATION_OCTET_STREAM "application/octet-stream"
AzureIoTClient	6:73793bae15ba	34	#define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
AzureIoTClient	6:73793bae15ba	35
AzureIoTClient	6:73793bae15ba	36	/DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)/
AzureIoTClient	6:73793bae15ba	37	/the default is 25 minutes/
AzureIoTClient	6:73793bae15ba	38	#define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
AzureIoTClient	6:73793bae15ba	39
AzureIoTClient	6:73793bae15ba	40	#define MAXIMUM_MESSAGE_SIZE (255*1024-1)
AzureIoTClient	6:73793bae15ba	41	#define MAXIMUM_PAYLOAD_OVERHEAD 384
AzureIoTClient	6:73793bae15ba	42	#define MAXIMUM_PROPERTY_OVERHEAD 16
AzureIoTClient	6:73793bae15ba	43
AzureIoTClient	6:73793bae15ba	44	/forward declaration/
AzureIoTClient	6:73793bae15ba	45	static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
AzureIoTClient	6:73793bae15ba	46
AzureIoTClient	6:73793bae15ba	47	typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
AzureIoTClient	6:73793bae15ba	48	{
Azure.IoT Build	19:d4f9e872bf3e	49	STRING_HANDLE hostName;
Azure.IoT Build	19:d4f9e872bf3e	50	HTTPAPIEX_HANDLE httpApiExHandle;
Azure.IoT Build	19:d4f9e872bf3e	51	bool doBatchedTransfers;
Azure.IoT Build	19:d4f9e872bf3e	52	unsigned int getMinimumPollingTime;
Azure.IoT Build	19:d4f9e872bf3e	53	VECTOR_HANDLE perDeviceList;
Azure.IoT Build	13:848d52f93daf	54	}HTTPTRANSPORT_HANDLE_DATA;
Azure.IoT Build	13:848d52f93daf	55
Azure.IoT Build	13:848d52f93daf	56	typedef struct HTTPTRANSPORT_PERDEVICE_DATA_TAG
Azure.IoT Build	13:848d52f93daf	57	{
Azure.IoT Build	19:d4f9e872bf3e	58	HTTPTRANSPORT_HANDLE_DATA* transportHandle;
Azure.IoT Build	13:848d52f93daf	59
Azure.IoT Build	19:d4f9e872bf3e	60	STRING_HANDLE deviceId;
Azure.IoT Build	19:d4f9e872bf3e	61	STRING_HANDLE deviceKey;
Azure.IoT Build	19:d4f9e872bf3e	62	STRING_HANDLE deviceSasToken;
Azure.IoT Build	19:d4f9e872bf3e	63	STRING_HANDLE eventHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	64	STRING_HANDLE messageHTTPrelativePath;
Azure.IoT Build	19:d4f9e872bf3e	65	HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	66	HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
Azure.IoT Build	19:d4f9e872bf3e	67	STRING_HANDLE abandonHTTPrelativePathBegin;
Azure.IoT Build	19:d4f9e872bf3e	68	HTTPAPIEX_SAS_HANDLE sasObject;
Azure.IoT Build	19:d4f9e872bf3e	69	bool DoWork_PullMessage;
Azure.IoT Build	19:d4f9e872bf3e	70	time_t lastPollTime;
Azure.IoT Build	19:d4f9e872bf3e	71	bool isFirstPoll;
Azure.IoT Build	13:848d52f93daf	72
Azure.IoT Build	19:d4f9e872bf3e	73	IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	74	PDLIST_ENTRY waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	75	DLIST_ENTRY eventConfirmations; /holds items for event confirmations/
Azure.IoT Build	13:848d52f93daf	76	} HTTPTRANSPORT_PERDEVICE_DATA;
AzureIoTClient	6:73793bae15ba	77
Azure.IoT Build	13:848d52f93daf	78	static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	79	{
Azure.IoT Build	19:d4f9e872bf3e	80	STRING_delete(handleData->eventHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	81	handleData->eventHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	82	}
AzureIoTClient	6:73793bae15ba	83
Azure.IoT Build	13:848d52f93daf	84	static bool create_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	85	{
Azure.IoT Build	19:d4f9e872bf3e	86	/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	87	bool result;
Azure.IoT Build	19:d4f9e872bf3e	88	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	89	handleData->eventHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	90	if (handleData->eventHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	91	{
Azure.IoT Build	19:d4f9e872bf3e	92	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	93	result = false;
Azure.IoT Build	19:d4f9e872bf3e	94	}
Azure.IoT Build	19:d4f9e872bf3e	95	else
Azure.IoT Build	19:d4f9e872bf3e	96	{
Azure.IoT Build	19:d4f9e872bf3e	97	if (!(
Azure.IoT Build	19:d4f9e872bf3e	98	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	99	(STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	100	(STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	101	))
Azure.IoT Build	19:d4f9e872bf3e	102	{
Azure.IoT Build	19:d4f9e872bf3e	103	/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	104	destroy_eventHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	105	LogError("Creating HTTP event relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	106	result = false;
Azure.IoT Build	19:d4f9e872bf3e	107	}
Azure.IoT Build	19:d4f9e872bf3e	108	else
Azure.IoT Build	19:d4f9e872bf3e	109	{
Azure.IoT Build	19:d4f9e872bf3e	110	result = true;
Azure.IoT Build	19:d4f9e872bf3e	111	}
Azure.IoT Build	19:d4f9e872bf3e	112	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	113	}
Azure.IoT Build	19:d4f9e872bf3e	114	return result;
AzureIoTClient	6:73793bae15ba	115	}
AzureIoTClient	6:73793bae15ba	116
Azure.IoT Build	13:848d52f93daf	117	static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	118	{
Azure.IoT Build	19:d4f9e872bf3e	119	STRING_delete(handleData->messageHTTPrelativePath);
Azure.IoT Build	19:d4f9e872bf3e	120	handleData->messageHTTPrelativePath = NULL;
AzureIoTClient	6:73793bae15ba	121	}
AzureIoTClient	6:73793bae15ba	122
Azure.IoT Build	13:848d52f93daf	123	static bool create_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
AzureIoTClient	6:73793bae15ba	124	{
Azure.IoT Build	19:d4f9e872bf3e	125	bool result;
Azure.IoT Build	19:d4f9e872bf3e	126	handleData->messageHTTPrelativePath = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	127	if (handleData->messageHTTPrelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	128	{
Azure.IoT Build	19:d4f9e872bf3e	129	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	130	result = false;
Azure.IoT Build	19:d4f9e872bf3e	131	}
Azure.IoT Build	19:d4f9e872bf3e	132	else
Azure.IoT Build	19:d4f9e872bf3e	133	{
Azure.IoT Build	19:d4f9e872bf3e	134	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	135	/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	136	if (!(
Azure.IoT Build	19:d4f9e872bf3e	137	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	138	(STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	139	(STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
Azure.IoT Build	19:d4f9e872bf3e	140	))
Azure.IoT Build	19:d4f9e872bf3e	141	{
Azure.IoT Build	19:d4f9e872bf3e	142	/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	143	LogError("Creating HTTP message relative path failed.");
Azure.IoT Build	19:d4f9e872bf3e	144	result = false;
Azure.IoT Build	19:d4f9e872bf3e	145	destroy_messageHTTPrelativePath(handleData);
Azure.IoT Build	19:d4f9e872bf3e	146	}
Azure.IoT Build	19:d4f9e872bf3e	147	else
Azure.IoT Build	19:d4f9e872bf3e	148	{
Azure.IoT Build	19:d4f9e872bf3e	149	result = true;
Azure.IoT Build	19:d4f9e872bf3e	150	}
Azure.IoT Build	19:d4f9e872bf3e	151	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	152	}
AzureIoTClient	17:7ef88cde801f	153
Azure.IoT Build	19:d4f9e872bf3e	154	return result;
AzureIoTClient	6:73793bae15ba	155	}
AzureIoTClient	6:73793bae15ba	156
Azure.IoT Build	13:848d52f93daf	157	static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	158	{
Azure.IoT Build	19:d4f9e872bf3e	159	HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	160	handleData->eventHTTPrequestHeaders = NULL;
AzureIoTClient	6:73793bae15ba	161	}
AzureIoTClient	6:73793bae15ba	162
AzureIoTClient	20:b652f2e4cccf	163	static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	164	{
Azure.IoT Build	19:d4f9e872bf3e	165	/*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	166	"Accept":"application/json"
Azure.IoT Build	19:d4f9e872bf3e	167	"Connection":"Keep-Alive" ]*/
Azure.IoT Build	19:d4f9e872bf3e	168	bool result;
Azure.IoT Build	19:d4f9e872bf3e	169	handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	170	if (handleData->eventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	171	{
Azure.IoT Build	19:d4f9e872bf3e	172	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	173	result = false;
Azure.IoT Build	19:d4f9e872bf3e	174	}
Azure.IoT Build	19:d4f9e872bf3e	175	else
Azure.IoT Build	19:d4f9e872bf3e	176	{
Azure.IoT Build	19:d4f9e872bf3e	177	STRING_HANDLE temp = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	178	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	179	{
Azure.IoT Build	19:d4f9e872bf3e	180	LogError("STRING_construct failed.");
Azure.IoT Build	19:d4f9e872bf3e	181	result = false;
Azure.IoT Build	19:d4f9e872bf3e	182	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	183	}
Azure.IoT Build	19:d4f9e872bf3e	184	else
Azure.IoT Build	19:d4f9e872bf3e	185	{
Azure.IoT Build	19:d4f9e872bf3e	186	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	187	if (!(
Azure.IoT Build	19:d4f9e872bf3e	188	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	189	(STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	190	(STRING_concat(temp, EVENT_ENDPOINT) == 0)
Azure.IoT Build	19:d4f9e872bf3e	191	))
Azure.IoT Build	19:d4f9e872bf3e	192	{
Azure.IoT Build	19:d4f9e872bf3e	193	LogError("deviceId construction failed.");
Azure.IoT Build	19:d4f9e872bf3e	194	result = false;
Azure.IoT Build	19:d4f9e872bf3e	195	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	196	}
Azure.IoT Build	19:d4f9e872bf3e	197	else
Azure.IoT Build	19:d4f9e872bf3e	198	{
Azure.IoT Build	19:d4f9e872bf3e	199	if (!(
Azure.IoT Build	19:d4f9e872bf3e	200	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	201	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK)) &&
Azure.IoT Build	19:d4f9e872bf3e	202	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	203	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	204	(HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	205	))
Azure.IoT Build	19:d4f9e872bf3e	206	{
Azure.IoT Build	19:d4f9e872bf3e	207	/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	208	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	209	result = false;
Azure.IoT Build	19:d4f9e872bf3e	210	destroy_eventHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	211	}
Azure.IoT Build	19:d4f9e872bf3e	212	else
Azure.IoT Build	19:d4f9e872bf3e	213	{
Azure.IoT Build	19:d4f9e872bf3e	214	result = true;
Azure.IoT Build	19:d4f9e872bf3e	215	}
Azure.IoT Build	19:d4f9e872bf3e	216	}
Azure.IoT Build	19:d4f9e872bf3e	217	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	218	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	219	}
Azure.IoT Build	19:d4f9e872bf3e	220	}
Azure.IoT Build	19:d4f9e872bf3e	221	return result;
Azure.IoT Build	13:848d52f93daf	222	}
Azure.IoT Build	13:848d52f93daf	223
Azure.IoT Build	13:848d52f93daf	224	static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	225	{
Azure.IoT Build	19:d4f9e872bf3e	226	HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	227	handleData->messageHTTPrequestHeaders = NULL;
Azure.IoT Build	13:848d52f93daf	228	}
Azure.IoT Build	13:848d52f93daf	229
AzureIoTClient	20:b652f2e4cccf	230	static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, bool is_x509_used)
Azure.IoT Build	13:848d52f93daf	231	{
Azure.IoT Build	19:d4f9e872bf3e	232	/*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	233	"Authorization": "" ]*/
Azure.IoT Build	19:d4f9e872bf3e	234	bool result;
Azure.IoT Build	19:d4f9e872bf3e	235	handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	236	if (handleData->messageHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	237	{
Azure.IoT Build	19:d4f9e872bf3e	238	LogError("HTTPHeaders_Alloc failed.");
Azure.IoT Build	19:d4f9e872bf3e	239	result = false;
Azure.IoT Build	19:d4f9e872bf3e	240	}
Azure.IoT Build	19:d4f9e872bf3e	241	else
Azure.IoT Build	19:d4f9e872bf3e	242	{
Azure.IoT Build	19:d4f9e872bf3e	243	if (!(
Azure.IoT Build	19:d4f9e872bf3e	244	(HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
AzureIoTClient	20:b652f2e4cccf	245	(is_x509_used \|\| (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, "Authorization", " ") == HTTP_HEADERS_OK))
Azure.IoT Build	19:d4f9e872bf3e	246	))
Azure.IoT Build	19:d4f9e872bf3e	247	{
Azure.IoT Build	19:d4f9e872bf3e	248	/Codes_SRS_TRANSPORTMULTITHTTP_17_023: [ If creating message HTTP request headers then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	249	destroy_messageHTTPrequestHeaders(handleData);
Azure.IoT Build	19:d4f9e872bf3e	250	LogError("adding header properties failed.");
Azure.IoT Build	19:d4f9e872bf3e	251	result = false;
Azure.IoT Build	19:d4f9e872bf3e	252	}
Azure.IoT Build	19:d4f9e872bf3e	253	else
Azure.IoT Build	19:d4f9e872bf3e	254	{
Azure.IoT Build	19:d4f9e872bf3e	255	result = true;
Azure.IoT Build	19:d4f9e872bf3e	256	}
Azure.IoT Build	19:d4f9e872bf3e	257	}
Azure.IoT Build	19:d4f9e872bf3e	258	return result;
AzureIoTClient	6:73793bae15ba	259	}
AzureIoTClient	6:73793bae15ba	260
Azure.IoT Build	13:848d52f93daf	261	static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	262	{
Azure.IoT Build	19:d4f9e872bf3e	263	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	264	handleData->abandonHTTPrelativePathBegin = NULL;
Azure.IoT Build	13:848d52f93daf	265	}
Azure.IoT Build	13:848d52f93daf	266
Azure.IoT Build	13:848d52f93daf	267	static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	268	{
Azure.IoT Build	19:d4f9e872bf3e	269	/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	270	bool result;
Azure.IoT Build	19:d4f9e872bf3e	271	handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
Azure.IoT Build	19:d4f9e872bf3e	272	if (handleData->abandonHTTPrelativePathBegin == NULL)
Azure.IoT Build	19:d4f9e872bf3e	273	{
Azure.IoT Build	19:d4f9e872bf3e	274	result = false;
Azure.IoT Build	19:d4f9e872bf3e	275	}
Azure.IoT Build	19:d4f9e872bf3e	276	else
Azure.IoT Build	19:d4f9e872bf3e	277	{
Azure.IoT Build	19:d4f9e872bf3e	278	STRING_HANDLE urlEncodedDeviceId;
Azure.IoT Build	19:d4f9e872bf3e	279	if (!(
Azure.IoT Build	19:d4f9e872bf3e	280	((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
Azure.IoT Build	19:d4f9e872bf3e	281	(STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	282	(STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
Azure.IoT Build	19:d4f9e872bf3e	283	))
Azure.IoT Build	19:d4f9e872bf3e	284	{
Azure.IoT Build	19:d4f9e872bf3e	285	/Codes_SRS_TRANSPORTMULTITHTTP_17_025: [ If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	286	LogError("unable to create abandon path string.");
Azure.IoT Build	19:d4f9e872bf3e	287	STRING_delete(handleData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	288	result = false;
Azure.IoT Build	19:d4f9e872bf3e	289	}
Azure.IoT Build	19:d4f9e872bf3e	290	else
Azure.IoT Build	19:d4f9e872bf3e	291	{
Azure.IoT Build	19:d4f9e872bf3e	292	result = true;
Azure.IoT Build	19:d4f9e872bf3e	293	}
Azure.IoT Build	19:d4f9e872bf3e	294	STRING_delete(urlEncodedDeviceId);
Azure.IoT Build	19:d4f9e872bf3e	295	}
Azure.IoT Build	19:d4f9e872bf3e	296	return result;
Azure.IoT Build	13:848d52f93daf	297	}
Azure.IoT Build	13:848d52f93daf	298
Azure.IoT Build	13:848d52f93daf	299	static void destroy_SASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	300	{
Azure.IoT Build	19:d4f9e872bf3e	301	HTTPAPIEX_SAS_Destroy(handleData->sasObject);
Azure.IoT Build	19:d4f9e872bf3e	302	handleData->sasObject = NULL;
Azure.IoT Build	13:848d52f93daf	303	}
Azure.IoT Build	13:848d52f93daf	304
Azure.IoT Build	13:848d52f93daf	305	static bool create_deviceSASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData, STRING_HANDLE hostName, const char * deviceId, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	306	{
Azure.IoT Build	19:d4f9e872bf3e	307	STRING_HANDLE keyName;
Azure.IoT Build	19:d4f9e872bf3e	308	bool result;
Azure.IoT Build	19:d4f9e872bf3e	309	/Codes_SRS_TRANSPORTMULTITHTTP_17_026: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]/
Azure.IoT Build	19:d4f9e872bf3e	310	keyName = URL_EncodeString(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	311	if (keyName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	312	{
Azure.IoT Build	19:d4f9e872bf3e	313	/Codes_SRS_TRANSPORTMULTITHTTP_17_027: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	314	LogError("URL_EncodeString keyname failed");
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	STRING_HANDLE uriResource;
Azure.IoT Build	19:d4f9e872bf3e	320	/Codes_SRS_TRANSPORTMULTITHTTP_17_028: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]/
Azure.IoT Build	19:d4f9e872bf3e	321	uriResource = STRING_clone(hostName);
Azure.IoT Build	19:d4f9e872bf3e	322	/Codes_SRS_TRANSPORTMULTITHTTP_17_029: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	323	if (uriResource != NULL)
Azure.IoT Build	19:d4f9e872bf3e	324	{
Azure.IoT Build	19:d4f9e872bf3e	325	/Codes_SRS_TRANSPORTMULTITHTTP_17_030: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]/
Azure.IoT Build	19:d4f9e872bf3e	326	/Codes_SRS_TRANSPORTMULTITHTTP_17_141: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	327	/Codes_SRS_TRANSPORTMULTITHTTP_17_031: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]/
Azure.IoT Build	19:d4f9e872bf3e	328	/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	329	if ((STRING_concat(uriResource, "/devices/") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	330	(STRING_concat_with_STRING(uriResource, keyName) == 0))
Azure.IoT Build	19:d4f9e872bf3e	331	{
Azure.IoT Build	19:d4f9e872bf3e	332	/Codes_SRS_TRANSPORTMULTITHTTP_17_033: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]/
Azure.IoT Build	19:d4f9e872bf3e	333	/Codes_SRS_TRANSPORTMULTITHTTP_17_034: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	334	STRING_HANDLE key = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	335	if (key != NULL)
Azure.IoT Build	19:d4f9e872bf3e	336	{
Azure.IoT Build	19:d4f9e872bf3e	337	/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	338	if (STRING_empty(keyName) != 0)
Azure.IoT Build	19:d4f9e872bf3e	339	{
Azure.IoT Build	19:d4f9e872bf3e	340	LogError("Unable to form the device key name for the SAS");
Azure.IoT Build	19:d4f9e872bf3e	341	result = false;
Azure.IoT Build	19:d4f9e872bf3e	342	}
Azure.IoT Build	19:d4f9e872bf3e	343	else
Azure.IoT Build	19:d4f9e872bf3e	344	{
Azure.IoT Build	19:d4f9e872bf3e	345	/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	346	/Codes_SRS_TRANSPORTMULTITHTTP_17_037: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	347	handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
Azure.IoT Build	19:d4f9e872bf3e	348	result = (handleData->sasObject != NULL) ? (true) : (false);
Azure.IoT Build	19:d4f9e872bf3e	349	}
Azure.IoT Build	19:d4f9e872bf3e	350	STRING_delete(key);
Azure.IoT Build	19:d4f9e872bf3e	351	}
Azure.IoT Build	19:d4f9e872bf3e	352	else
Azure.IoT Build	19:d4f9e872bf3e	353	{
Azure.IoT Build	19:d4f9e872bf3e	354	LogError("STRING_construct Key failed");
Azure.IoT Build	19:d4f9e872bf3e	355	result = false;
Azure.IoT Build	19:d4f9e872bf3e	356	}
Azure.IoT Build	19:d4f9e872bf3e	357	}
Azure.IoT Build	19:d4f9e872bf3e	358	else
Azure.IoT Build	19:d4f9e872bf3e	359	{
Azure.IoT Build	19:d4f9e872bf3e	360	LogError("STRING_concat uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	361	result = false;
Azure.IoT Build	19:d4f9e872bf3e	362	}
Azure.IoT Build	19:d4f9e872bf3e	363	STRING_delete(uriResource);
Azure.IoT Build	19:d4f9e872bf3e	364	}
Azure.IoT Build	19:d4f9e872bf3e	365	else
Azure.IoT Build	19:d4f9e872bf3e	366	{
Azure.IoT Build	19:d4f9e872bf3e	367	LogError("STRING_staticclone uri resource failed");
Azure.IoT Build	19:d4f9e872bf3e	368	result = false;
Azure.IoT Build	19:d4f9e872bf3e	369	}
Azure.IoT Build	19:d4f9e872bf3e	370	STRING_delete(keyName);
Azure.IoT Build	19:d4f9e872bf3e	371	}
Azure.IoT Build	19:d4f9e872bf3e	372	return result;
Azure.IoT Build	13:848d52f93daf	373	}
Azure.IoT Build	13:848d52f93daf	374
Azure.IoT Build	13:848d52f93daf	375	static void destroy_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	376	{
Azure.IoT Build	19:d4f9e872bf3e	377	STRING_delete(handleData->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	378	handleData->deviceId = NULL;
Azure.IoT Build	13:848d52f93daf	379	}
Azure.IoT Build	13:848d52f93daf	380
Azure.IoT Build	13:848d52f93daf	381	static bool create_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
Azure.IoT Build	13:848d52f93daf	382	{
Azure.IoT Build	19:d4f9e872bf3e	383	/Codes_SRS_TRANSPORTMULTITHTTP_17_133: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceId") from config->deviceConfig->deviceId. ]/
Azure.IoT Build	19:d4f9e872bf3e	384	bool result;
Azure.IoT Build	19:d4f9e872bf3e	385	handleData->deviceId = STRING_construct(deviceId);
Azure.IoT Build	19:d4f9e872bf3e	386	if (handleData->deviceId == NULL)
Azure.IoT Build	19:d4f9e872bf3e	387	{
Azure.IoT Build	19:d4f9e872bf3e	388	/Codes_SRS_TRANSPORTMULTITHTTP_17_134: [ If deviceId is not created, then IoTHubTransportHttp_Register shall fail and return NULL. /
Azure.IoT Build	19:d4f9e872bf3e	389	LogError("STRING_construct deviceId failed");
Azure.IoT Build	19:d4f9e872bf3e	390	result = false;
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	result = true;
Azure.IoT Build	19:d4f9e872bf3e	395	}
Azure.IoT Build	19:d4f9e872bf3e	396	return result;
Azure.IoT Build	13:848d52f93daf	397	}
Azure.IoT Build	13:848d52f93daf	398
Azure.IoT Build	13:848d52f93daf	399	static void destroy_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
Azure.IoT Build	13:848d52f93daf	400	{
Azure.IoT Build	19:d4f9e872bf3e	401	STRING_delete(handleData->deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	402	handleData->deviceKey = NULL;
Azure.IoT Build	13:848d52f93daf	403	}
Azure.IoT Build	13:848d52f93daf	404
AzureIoTClient	17:7ef88cde801f	405	static void destroy_deviceSas(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	406	{
AzureIoTClient	17:7ef88cde801f	407	STRING_delete(handleData->deviceSasToken);
AzureIoTClient	17:7ef88cde801f	408	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	409	}
AzureIoTClient	17:7ef88cde801f	410
Azure.IoT Build	13:848d52f93daf	411	static bool create_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceKey)
Azure.IoT Build	13:848d52f93daf	412	{
Azure.IoT Build	19:d4f9e872bf3e	413	/Codes_SRS_TRANSPORTMULTITHTTP_17_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceKey") from deviceKey. ]/
Azure.IoT Build	19:d4f9e872bf3e	414	bool result;
Azure.IoT Build	19:d4f9e872bf3e	415	handleData->deviceKey = STRING_construct(deviceKey);
Azure.IoT Build	19:d4f9e872bf3e	416	if (handleData->deviceKey == NULL)
Azure.IoT Build	19:d4f9e872bf3e	417	{
Azure.IoT Build	19:d4f9e872bf3e	418	/Codes_SRS_TRANSPORTMULTITHTTP_17_136: [ If deviceKey is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	419	LogError("STRING_construct deviceKey failed");
Azure.IoT Build	19:d4f9e872bf3e	420	result = false;
Azure.IoT Build	19:d4f9e872bf3e	421	}
Azure.IoT Build	19:d4f9e872bf3e	422	else
Azure.IoT Build	19:d4f9e872bf3e	423	{
Azure.IoT Build	19:d4f9e872bf3e	424	result = true;
Azure.IoT Build	19:d4f9e872bf3e	425	}
Azure.IoT Build	19:d4f9e872bf3e	426	return result;
Azure.IoT Build	13:848d52f93daf	427	}
Azure.IoT Build	13:848d52f93daf	428
AzureIoTClient	17:7ef88cde801f	429	static void destroy_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
AzureIoTClient	17:7ef88cde801f	430	{
Azure.IoT Build	19:d4f9e872bf3e	431	STRING_delete(handleData->deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	432	handleData->deviceSasToken = NULL;
AzureIoTClient	17:7ef88cde801f	433	}
AzureIoTClient	17:7ef88cde801f	434
AzureIoTClient	17:7ef88cde801f	435	static bool create_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceSasToken)
AzureIoTClient	17:7ef88cde801f	436	{
Azure.IoT Build	19:d4f9e872bf3e	437	/Codes_SRS_TRANSPORTMULTITHTTP_03_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceSasToken") from deviceSasToken. ]/
Azure.IoT Build	19:d4f9e872bf3e	438	bool result;
Azure.IoT Build	19:d4f9e872bf3e	439	handleData->deviceSasToken = STRING_construct(deviceSasToken);
Azure.IoT Build	19:d4f9e872bf3e	440	if (handleData->deviceSasToken == NULL)
Azure.IoT Build	19:d4f9e872bf3e	441	{
Azure.IoT Build	19:d4f9e872bf3e	442	/Codes_SRS_TRANSPORTMULTITHTTP_03_136: [ If deviceSasToken is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	443	LogError("STRING_construct deviceSasToken failed");
Azure.IoT Build	19:d4f9e872bf3e	444	result = false;
Azure.IoT Build	19:d4f9e872bf3e	445	}
Azure.IoT Build	19:d4f9e872bf3e	446	else
Azure.IoT Build	19:d4f9e872bf3e	447	{
Azure.IoT Build	19:d4f9e872bf3e	448	result = true;
Azure.IoT Build	19:d4f9e872bf3e	449	}
Azure.IoT Build	19:d4f9e872bf3e	450	return result;
AzureIoTClient	17:7ef88cde801f	451	}
AzureIoTClient	17:7ef88cde801f	452
Azure.IoT Build	13:848d52f93daf	453	/*
Azure.IoT Build	13:848d52f93daf	454	* List queries Find by handle and find by device name
Azure.IoT Build	13:848d52f93daf	455	*/
Azure.IoT Build	13:848d52f93daf	456
Azure.IoT Build	13:848d52f93daf	457	/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	458	static bool findDeviceHandle(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	459	{
Azure.IoT Build	19:d4f9e872bf3e	460	bool result;
Azure.IoT Build	19:d4f9e872bf3e	461	/* data stored at element is device handle */
Azure.IoT Build	19:d4f9e872bf3e	462	const IOTHUB_DEVICE_HANDLE * guess = (const IOTHUB_DEVICE_HANDLE *)element;
Azure.IoT Build	19:d4f9e872bf3e	463	const IOTHUB_DEVICE_HANDLE match = (const IOTHUB_DEVICE_HANDLE)value;
Azure.IoT Build	19:d4f9e872bf3e	464	result = (*guess == match) ? true : false;
Azure.IoT Build	19:d4f9e872bf3e	465	return result;
Azure.IoT Build	13:848d52f93daf	466	}
Azure.IoT Build	13:848d52f93daf	467
Azure.IoT Build	13:848d52f93daf	468	static bool findDeviceById(const void* element, const void* value)
Azure.IoT Build	13:848d52f93daf	469	{
Azure.IoT Build	19:d4f9e872bf3e	470	bool result;
Azure.IoT Build	19:d4f9e872bf3e	471	const char* deviceId = (const char *)value;
Azure.IoT Build	19:d4f9e872bf3e	472	const HTTPTRANSPORT_PERDEVICE_DATA * perDeviceElement = (const HTTPTRANSPORT_PERDEVICE_DATA *)element;
Azure.IoT Build	13:848d52f93daf	473
Azure.IoT Build	19:d4f9e872bf3e	474	result = (strcmp(STRING_c_str(perDeviceElement->deviceId), deviceId) == 0);
Azure.IoT Build	13:848d52f93daf	475
Azure.IoT Build	19:d4f9e872bf3e	476	return result;
Azure.IoT Build	13:848d52f93daf	477	}
Azure.IoT Build	13:848d52f93daf	478
AzureIoTClient	18:ab990f6aa61f	479	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	480	{
Azure.IoT Build	19:d4f9e872bf3e	481	HTTPTRANSPORT_PERDEVICE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	482	if (handle == NULL \|\| device == NULL)
Azure.IoT Build	19:d4f9e872bf3e	483	{
Azure.IoT Build	19:d4f9e872bf3e	484	/Codes_SRS_TRANSPORTMULTITHTTP_17_142: [ If handle is NULL or device is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	485	LogError("Transport handle is NULL");
Azure.IoT Build	19:d4f9e872bf3e	486	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	487	}
AzureIoTClient	20:b652f2e4cccf	488	else if (device->deviceId == NULL \|\| ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) \|\| waitingToSend == NULL \|\| iotHubClientHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	489	{
AzureIoTClient	20:b652f2e4cccf	490	/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	491	/Codes_SRS_TRANSPORTMULTITHTTP_17_014: [ If IOTHUB_DEVICE_CONFIG field deviceId is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	492	/Codes_SRS_TRANSPORTMULTITHTTP_17_016: [ If parameter waitingToSend is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	493	/Codes_SRS_TRANSPORTMULTITHTTP_17_143: [ If parameter iotHubClientHandle is NULL, then IoTHubTransportHttp_Register shall return NULL. ]/
AzureIoTClient	20:b652f2e4cccf	494	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	495	handle, device, iotHubClientHandle, waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	496	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	497	}
Azure.IoT Build	19:d4f9e872bf3e	498	else
Azure.IoT Build	19:d4f9e872bf3e	499	{
Azure.IoT Build	19:d4f9e872bf3e	500	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	501	/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	502	void* listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceById, device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	503	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	504	{
Azure.IoT Build	19:d4f9e872bf3e	505	/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	506	LogError("Transport already has device registered by id: [%s]", device->deviceId);
Azure.IoT Build	19:d4f9e872bf3e	507	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	508	}
Azure.IoT Build	19:d4f9e872bf3e	509	else
Azure.IoT Build	19:d4f9e872bf3e	510	{
Azure.IoT Build	19:d4f9e872bf3e	511	bool was_create_deviceKey_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	512	bool was_create_deviceSasToken_ok = false;
Azure.IoT Build	19:d4f9e872bf3e	513	bool was_sasObject_ok = false;
AzureIoTClient	20:b652f2e4cccf	514	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	515
Azure.IoT Build	19:d4f9e872bf3e	516	/Codes_SRS_TRANSPORTMULTITHTTP_17_038: [ Otherwise, IoTHubTransportHttp_Register shall allocate the IOTHUB_DEVICE_HANDLE structure. ]/
Azure.IoT Build	19:d4f9e872bf3e	517	bool was_resultCreated_ok = ((result = malloc(sizeof(HTTPTRANSPORT_PERDEVICE_DATA))) != NULL);
Azure.IoT Build	19:d4f9e872bf3e	518	bool was_create_deviceId_ok = was_resultCreated_ok && create_deviceId(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	519
AzureIoTClient	20:b652f2e4cccf	520	if (was_create_deviceId_ok)
Azure.IoT Build	19:d4f9e872bf3e	521	{
AzureIoTClient	20:b652f2e4cccf	522	if (device->deviceSasToken != NULL)
AzureIoTClient	20:b652f2e4cccf	523	{
AzureIoTClient	20:b652f2e4cccf	524	/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	525	was_create_deviceSasToken_ok = create_deviceSasToken(result, device->deviceSasToken);
AzureIoTClient	20:b652f2e4cccf	526	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	527	result->sasObject = NULL;
AzureIoTClient	20:b652f2e4cccf	528	}
AzureIoTClient	20:b652f2e4cccf	529	else /when deviceSasToken == NULL/
AzureIoTClient	20:b652f2e4cccf	530	{
AzureIoTClient	20:b652f2e4cccf	531	if (device->deviceKey != NULL)
AzureIoTClient	20:b652f2e4cccf	532	{
AzureIoTClient	20:b652f2e4cccf	533	was_create_deviceKey_ok = create_deviceKey(result, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	534	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	535	}
AzureIoTClient	20:b652f2e4cccf	536	else
AzureIoTClient	20:b652f2e4cccf	537	{
AzureIoTClient	20:b652f2e4cccf	538	/when both of them are NULL/
AzureIoTClient	20:b652f2e4cccf	539	was_x509_ok = true;
AzureIoTClient	20:b652f2e4cccf	540	result->deviceKey = NULL;
AzureIoTClient	20:b652f2e4cccf	541	result->deviceSasToken = NULL;
AzureIoTClient	20:b652f2e4cccf	542	}
AzureIoTClient	20:b652f2e4cccf	543	}
Azure.IoT Build	19:d4f9e872bf3e	544	}
AzureIoTClient	17:7ef88cde801f	545
AzureIoTClient	20:b652f2e4cccf	546	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	547	bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, device->deviceId);
AzureIoTClient	20:b652f2e4cccf	548	bool was_eventHTTPrequestHeaders_ok = was_messageHTTPrelativePath_ok && create_eventHTTPrequestHeaders(result, device->deviceId, was_x509_ok);
AzureIoTClient	20:b652f2e4cccf	549	bool was_messageHTTPrequestHeaders_ok = was_eventHTTPrequestHeaders_ok && create_messageHTTPrequestHeaders(result, was_x509_ok);
Azure.IoT Build	19:d4f9e872bf3e	550	bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, device->deviceId);
AzureIoTClient	17:7ef88cde801f	551
AzureIoTClient	20:b652f2e4cccf	552	if (was_x509_ok)
Azure.IoT Build	19:d4f9e872bf3e	553	{
AzureIoTClient	20:b652f2e4cccf	554	result->sasObject = NULL; /**/
AzureIoTClient	20:b652f2e4cccf	555	was_sasObject_ok = true;
AzureIoTClient	20:b652f2e4cccf	556	}
AzureIoTClient	20:b652f2e4cccf	557	else
AzureIoTClient	20:b652f2e4cccf	558	{
AzureIoTClient	20:b652f2e4cccf	559	if (!was_create_deviceSasToken_ok)
AzureIoTClient	20:b652f2e4cccf	560	{
AzureIoTClient	20:b652f2e4cccf	561	was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, handleData->hostName, device->deviceId, device->deviceKey);
AzureIoTClient	20:b652f2e4cccf	562	}
Azure.IoT Build	19:d4f9e872bf3e	563	}
AzureIoTClient	17:7ef88cde801f	564
Azure.IoT Build	19:d4f9e872bf3e	565	/Codes_SRS_TRANSPORTMULTITHTTP_17_041: [ IoTHubTransportHttp_Register shall call VECTOR_push_back to store the new device information. ]/
AzureIoTClient	20:b652f2e4cccf	566	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	567
Azure.IoT Build	19:d4f9e872bf3e	568	if (was_list_add_ok)
Azure.IoT Build	19:d4f9e872bf3e	569	{
Azure.IoT Build	19:d4f9e872bf3e	570	/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	571	/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	572	/Codes_SRS_TRANSPORTMULTITHTTP_17_128: [ IoTHubTransportHttp_Register shall mark this device as unsubscribed. ]/
Azure.IoT Build	19:d4f9e872bf3e	573	result->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	574	result->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	575	result->iotHubClientHandle = iotHubClientHandle;
Azure.IoT Build	19:d4f9e872bf3e	576	result->waitingToSend = waitingToSend;
Azure.IoT Build	19:d4f9e872bf3e	577	DList_InitializeListHead(&(result->eventConfirmations));
Azure.IoT Build	19:d4f9e872bf3e	578	result->transportHandle = handle;
Azure.IoT Build	19:d4f9e872bf3e	579	}
Azure.IoT Build	19:d4f9e872bf3e	580	else
Azure.IoT Build	19:d4f9e872bf3e	581	{
Azure.IoT Build	19:d4f9e872bf3e	582	/Codes_SRS_TRANSPORTMULTITHTTP_17_042: [ If the list_add fails then IoTHubTransportHttp_Register shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	583	if (was_sasObject_ok) destroy_SASObject(result);
Azure.IoT Build	19:d4f9e872bf3e	584	if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
Azure.IoT Build	19:d4f9e872bf3e	585	if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	586	if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	587	if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
Azure.IoT Build	19:d4f9e872bf3e	588	if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
Azure.IoT Build	19:d4f9e872bf3e	589	if (was_create_deviceId_ok) destroy_deviceId(result);
Azure.IoT Build	19:d4f9e872bf3e	590	if (was_create_deviceKey_ok) destroy_deviceKey(result);
Azure.IoT Build	19:d4f9e872bf3e	591	if (was_create_deviceSasToken_ok) destroy_deviceSasToken(result);
Azure.IoT Build	19:d4f9e872bf3e	592	/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	593	if (was_resultCreated_ok) free(result);
Azure.IoT Build	19:d4f9e872bf3e	594	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	595	}
Azure.IoT Build	19:d4f9e872bf3e	596	}
AzureIoTClient	17:7ef88cde801f	597
Azure.IoT Build	19:d4f9e872bf3e	598	}
Azure.IoT Build	19:d4f9e872bf3e	599	return (IOTHUB_DEVICE_HANDLE)result;
Azure.IoT Build	13:848d52f93daf	600	}
Azure.IoT Build	13:848d52f93daf	601
Azure.IoT Build	13:848d52f93daf	602
Azure.IoT Build	13:848d52f93daf	603	static void destroy_perDeviceData(HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem)
Azure.IoT Build	13:848d52f93daf	604	{
Azure.IoT Build	19:d4f9e872bf3e	605	destroy_deviceId(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	606	destroy_deviceKey(perDeviceItem);
AzureIoTClient	17:7ef88cde801f	607	destroy_deviceSas(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	608	destroy_eventHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	609	destroy_messageHTTPrelativePath(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	610	destroy_eventHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	611	destroy_messageHTTPrequestHeaders(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	612	destroy_abandonHTTPrelativePathBegin(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	613	destroy_SASObject(perDeviceItem);
Azure.IoT Build	13:848d52f93daf	614	}
Azure.IoT Build	13:848d52f93daf	615
Azure.IoT Build	13:848d52f93daf	616	static IOTHUB_DEVICE_HANDLE* get_perDeviceDataItem(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	617	{
Azure.IoT Build	19:d4f9e872bf3e	618	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	619	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	620
Azure.IoT Build	19:d4f9e872bf3e	621	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	13:848d52f93daf	622
Azure.IoT Build	19:d4f9e872bf3e	623	listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceHandle, deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	624	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	625	{
Azure.IoT Build	19:d4f9e872bf3e	626	LogError("device handle not found in transport device list");
Azure.IoT Build	19:d4f9e872bf3e	627	listItem = NULL;
Azure.IoT Build	19:d4f9e872bf3e	628	}
Azure.IoT Build	19:d4f9e872bf3e	629	else
Azure.IoT Build	19:d4f9e872bf3e	630	{
Azure.IoT Build	19:d4f9e872bf3e	631	/* sucessfully found device in list. */
Azure.IoT Build	19:d4f9e872bf3e	632	}
Azure.IoT Build	13:848d52f93daf	633
Azure.IoT Build	19:d4f9e872bf3e	634	return listItem;
Azure.IoT Build	13:848d52f93daf	635	}
Azure.IoT Build	13:848d52f93daf	636
AzureIoTClient	18:ab990f6aa61f	637	static void IoTHubTransportHttp_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build	13:848d52f93daf	638	{
Azure.IoT Build	19:d4f9e872bf3e	639	if (deviceHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	640	{
Azure.IoT Build	19:d4f9e872bf3e	641	/Codes_SRS_TRANSPORTMULTITHTTP_17_044: [ If deviceHandle is NULL, then IoTHubTransportHttp_Unregister shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	642	LogError("Unregister a NULL device handle");
Azure.IoT Build	19:d4f9e872bf3e	643	}
Azure.IoT Build	19:d4f9e872bf3e	644	else
Azure.IoT Build	19:d4f9e872bf3e	645	{
Azure.IoT Build	19:d4f9e872bf3e	646	HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
Azure.IoT Build	19:d4f9e872bf3e	647	HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
Azure.IoT Build	19:d4f9e872bf3e	648	/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	649	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	650	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	651	{
Azure.IoT Build	19:d4f9e872bf3e	652	/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	653	LogError("Device Handle [%p] not found in transport", deviceHandle);
Azure.IoT Build	19:d4f9e872bf3e	654	}
Azure.IoT Build	19:d4f9e872bf3e	655	else
Azure.IoT Build	19:d4f9e872bf3e	656	{
Azure.IoT Build	19:d4f9e872bf3e	657	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	13:848d52f93daf	658
Azure.IoT Build	19:d4f9e872bf3e	659	/Codes_SRS_TRANSPORTMULTITHTTP_17_047: [ IoTHubTransportHttp_Unregister shall free all the resources used in the device structure. ]/
Azure.IoT Build	19:d4f9e872bf3e	660	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	661	/Codes_SRS_TRANSPORTMULTITHTTP_17_048: [ IoTHubTransportHttp_Unregister shall call list_remove to remove device from devices list. ]/
Azure.IoT Build	19:d4f9e872bf3e	662	VECTOR_erase(handleData->perDeviceList, listItem, 1);
Azure.IoT Build	19:d4f9e872bf3e	663	free(deviceHandleData);
Azure.IoT Build	19:d4f9e872bf3e	664	}
Azure.IoT Build	19:d4f9e872bf3e	665	}
Azure.IoT Build	13:848d52f93daf	666
Azure.IoT Build	19:d4f9e872bf3e	667	return;
Azure.IoT Build	13:848d52f93daf	668	}
Azure.IoT Build	13:848d52f93daf	669
Azure.IoT Build	13:848d52f93daf	670
Azure.IoT Build	13:848d52f93daf	671	/Codes_SRS_TRANSPORTMULTITHTTP_17_005: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]/
AzureIoTClient	6:73793bae15ba	672	static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	673	{
Azure.IoT Build	19:d4f9e872bf3e	674	STRING_delete(handleData->hostName);
Azure.IoT Build	19:d4f9e872bf3e	675	handleData->hostName = NULL;
AzureIoTClient	6:73793bae15ba	676	}
AzureIoTClient	6:73793bae15ba	677
Azure.IoT Build	13:848d52f93daf	678	/Codes_SRS_TRANSPORTMULTITHTTP_17_005: [Otherwise, IoTHubTransportHttp_Create shall create an immutable string (further called hostname) containing config->upperConfig->iotHubName + config->upperConfig->iotHubSuffix.]/
AzureIoTClient	6:73793bae15ba	679	static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	680	{
Azure.IoT Build	19:d4f9e872bf3e	681	bool result;
Azure.IoT Build	19:d4f9e872bf3e	682	handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
Azure.IoT Build	19:d4f9e872bf3e	683	if (handleData->hostName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	684	{
Azure.IoT Build	19:d4f9e872bf3e	685	result = false;
Azure.IoT Build	19:d4f9e872bf3e	686	}
Azure.IoT Build	19:d4f9e872bf3e	687	else
Azure.IoT Build	19:d4f9e872bf3e	688	{
Azure.IoT Build	19:d4f9e872bf3e	689	if ((STRING_concat(handleData->hostName, ".") != 0) \|\|
Azure.IoT Build	19:d4f9e872bf3e	690	(STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
Azure.IoT Build	19:d4f9e872bf3e	691	{
Azure.IoT Build	19:d4f9e872bf3e	692	/Codes_SRS_TRANSPORTMULTITHTTP_17_006: [ If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	693	destroy_hostName(handleData);
Azure.IoT Build	19:d4f9e872bf3e	694	result = false;
Azure.IoT Build	19:d4f9e872bf3e	695	}
Azure.IoT Build	19:d4f9e872bf3e	696	else
Azure.IoT Build	19:d4f9e872bf3e	697	{
Azure.IoT Build	19:d4f9e872bf3e	698	result = true;
Azure.IoT Build	19:d4f9e872bf3e	699	}
Azure.IoT Build	19:d4f9e872bf3e	700	}
Azure.IoT Build	19:d4f9e872bf3e	701	return result;
AzureIoTClient	6:73793bae15ba	702	}
AzureIoTClient	6:73793bae15ba	703
Azure.IoT Build	13:848d52f93daf	704	/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	705	static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	706	{
Azure.IoT Build	19:d4f9e872bf3e	707	HTTPAPIEX_Destroy(handleData->httpApiExHandle);
Azure.IoT Build	19:d4f9e872bf3e	708	handleData->httpApiExHandle = NULL;
AzureIoTClient	6:73793bae15ba	709	}
AzureIoTClient	6:73793bae15ba	710
Azure.IoT Build	13:848d52f93daf	711	/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	712	static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	713	{
Azure.IoT Build	19:d4f9e872bf3e	714	bool result;
Azure.IoT Build	19:d4f9e872bf3e	715	(void)config;
Azure.IoT Build	19:d4f9e872bf3e	716	handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
Azure.IoT Build	19:d4f9e872bf3e	717	if (handleData->httpApiExHandle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	718	{
Azure.IoT Build	19:d4f9e872bf3e	719	/Codes_SRS_TRANSPORTMULTITHTTP_17_008: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL. ] /
Azure.IoT Build	19:d4f9e872bf3e	720	result = false;
Azure.IoT Build	19:d4f9e872bf3e	721	}
Azure.IoT Build	19:d4f9e872bf3e	722	else
Azure.IoT Build	19:d4f9e872bf3e	723	{
Azure.IoT Build	19:d4f9e872bf3e	724	result = true;
Azure.IoT Build	19:d4f9e872bf3e	725	}
Azure.IoT Build	19:d4f9e872bf3e	726	return result;
AzureIoTClient	6:73793bae15ba	727	}
AzureIoTClient	6:73793bae15ba	728
Azure.IoT Build	13:848d52f93daf	729	static void destroy_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	730	{
Azure.IoT Build	19:d4f9e872bf3e	731	VECTOR_destroy(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	732	handleData->perDeviceList = NULL;
AzureIoTClient	6:73793bae15ba	733	}
AzureIoTClient	6:73793bae15ba	734
Azure.IoT Build	13:848d52f93daf	735	/Codes_SRS_TRANSPORTMULTITHTTP_17_009: [ IoTHubTransportHttp_Create shall call list_create to create a list of registered devices. ]/
Azure.IoT Build	13:848d52f93daf	736	static bool create_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
AzureIoTClient	6:73793bae15ba	737	{
Azure.IoT Build	19:d4f9e872bf3e	738	bool result;
Azure.IoT Build	19:d4f9e872bf3e	739	handleData->perDeviceList = VECTOR_create(sizeof(IOTHUB_DEVICE_HANDLE));
Azure.IoT Build	19:d4f9e872bf3e	740	if (handleData == NULL \|\| handleData->perDeviceList == NULL)
Azure.IoT Build	19:d4f9e872bf3e	741	{
Azure.IoT Build	19:d4f9e872bf3e	742	/Codes_SRS_TRANSPORTMULTITHTTP_17_010: [ If creating the list fails, then IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	743	result = false;
Azure.IoT Build	19:d4f9e872bf3e	744	}
Azure.IoT Build	19:d4f9e872bf3e	745	else
Azure.IoT Build	19:d4f9e872bf3e	746	{
Azure.IoT Build	19:d4f9e872bf3e	747	result = true;
Azure.IoT Build	19:d4f9e872bf3e	748	}
Azure.IoT Build	19:d4f9e872bf3e	749	return result;
AzureIoTClient	6:73793bae15ba	750	}
AzureIoTClient	6:73793bae15ba	751
Azure.IoT Build	13:848d52f93daf	752
AzureIoTClient	18:ab990f6aa61f	753	static TRANSPORT_LL_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient	6:73793bae15ba	754	{
Azure.IoT Build	19:d4f9e872bf3e	755	HTTPTRANSPORT_HANDLE_DATA* result;
Azure.IoT Build	19:d4f9e872bf3e	756	if (config == NULL)
Azure.IoT Build	19:d4f9e872bf3e	757	{
Azure.IoT Build	19:d4f9e872bf3e	758	/Codes_SRS_TRANSPORTMULTITHTTP_17_001: [If parameter config is NULL, then IoTHubTransportHttp_Create shall return NULL.]/
Azure.IoT Build	19:d4f9e872bf3e	759	LogError("invalid arg (configuration is missing)");
Azure.IoT Build	19:d4f9e872bf3e	760	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	761	}
Azure.IoT Build	19:d4f9e872bf3e	762	else if (config->upperConfig == NULL)
Azure.IoT Build	19:d4f9e872bf3e	763	{
Azure.IoT Build	19:d4f9e872bf3e	764	/Codes_SRS_TRANSPORTMULTITHTTP_17_002: [ If field transportConfig is NULL, then IoTHubTransportHttp_Create shall return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	765	LogError("invalid arg (upperConfig is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	766	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	767	}
Azure.IoT Build	19:d4f9e872bf3e	768	else if (config->upperConfig->protocol == NULL)
Azure.IoT Build	19:d4f9e872bf3e	769	{
Azure.IoT Build	19:d4f9e872bf3e	770	/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	771	LogError("invalid arg (protocol is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	772	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	773	}
Azure.IoT Build	19:d4f9e872bf3e	774	else if (config->upperConfig->iotHubName == NULL)
Azure.IoT Build	19:d4f9e872bf3e	775	{
Azure.IoT Build	19:d4f9e872bf3e	776	/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	777	LogError("invalid arg (iotHubName is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	778	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	779	}
Azure.IoT Build	19:d4f9e872bf3e	780	else if (config->upperConfig->iotHubSuffix == NULL)
Azure.IoT Build	19:d4f9e872bf3e	781	{
Azure.IoT Build	19:d4f9e872bf3e	782	/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	783	LogError("invalid arg (iotHubSuffix is NULL)");
Azure.IoT Build	19:d4f9e872bf3e	784	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	785	}
Azure.IoT Build	19:d4f9e872bf3e	786	else
Azure.IoT Build	19:d4f9e872bf3e	787	{
Azure.IoT Build	19:d4f9e872bf3e	788	/Codes_SRS_TRANSPORTMULTITHTTP_17_130: [ IoTHubTransportHttp_Create shall allocate memory for the handle. ]/
Azure.IoT Build	19:d4f9e872bf3e	789	result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
Azure.IoT Build	19:d4f9e872bf3e	790	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	791	{
Azure.IoT Build	19:d4f9e872bf3e	792	/Codes_SRS_TRANSPORTMULTITHTTP_17_131: [ If allocation fails, IoTHubTransportHttp_Create shall fail and return NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	793	LogError("unable to malloc");
Azure.IoT Build	19:d4f9e872bf3e	794	}
Azure.IoT Build	19:d4f9e872bf3e	795	else
Azure.IoT Build	19:d4f9e872bf3e	796	{
Azure.IoT Build	19:d4f9e872bf3e	797	bool was_hostName_ok = create_hostName(result, config);
Azure.IoT Build	19:d4f9e872bf3e	798	bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
Azure.IoT Build	19:d4f9e872bf3e	799	bool was_perDeviceList_ok = was_httpApiExHandle_ok && create_perDeviceList(result);
Azure.IoT Build	13:848d52f93daf	800
AzureIoTClient	6:73793bae15ba	801
Azure.IoT Build	19:d4f9e872bf3e	802	if (was_perDeviceList_ok)
Azure.IoT Build	19:d4f9e872bf3e	803	{
Azure.IoT Build	19:d4f9e872bf3e	804	/Codes_SRS_TRANSPORTMULTITHTTP_17_011: [ Otherwise, IoTHubTransportHttp_Create shall succeed and return a non-NULL value. ]/
Azure.IoT Build	19:d4f9e872bf3e	805	result->doBatchedTransfers = false;
Azure.IoT Build	19:d4f9e872bf3e	806	result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
Azure.IoT Build	19:d4f9e872bf3e	807	}
Azure.IoT Build	19:d4f9e872bf3e	808	else
Azure.IoT Build	19:d4f9e872bf3e	809	{
Azure.IoT Build	19:d4f9e872bf3e	810	if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
Azure.IoT Build	19:d4f9e872bf3e	811	if (was_hostName_ok) destroy_hostName(result);
AzureIoTClient	6:73793bae15ba	812
Azure.IoT Build	19:d4f9e872bf3e	813	free(result);
Azure.IoT Build	19:d4f9e872bf3e	814	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	815	}
Azure.IoT Build	19:d4f9e872bf3e	816	}
Azure.IoT Build	19:d4f9e872bf3e	817	}
Azure.IoT Build	19:d4f9e872bf3e	818	return result;
AzureIoTClient	6:73793bae15ba	819	}
AzureIoTClient	6:73793bae15ba	820
AzureIoTClient	18:ab990f6aa61f	821	static void IoTHubTransportHttp_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	6:73793bae15ba	822	{
Azure.IoT Build	19:d4f9e872bf3e	823	/Codes_SRS_TRANSPORTMULTITHTTP_17_012: [ IoTHubTransportHttp_Destroy shall do nothing is handle is NULL. ]/
Azure.IoT Build	19:d4f9e872bf3e	824	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	825	{
Azure.IoT Build	19:d4f9e872bf3e	826	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	827	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	13:848d52f93daf	828
Azure.IoT Build	19:d4f9e872bf3e	829	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	13:848d52f93daf	830
Azure.IoT Build	19:d4f9e872bf3e	831	/Codes_SRS_TRANSPORTMULTITHTTP_17_013: [ Otherwise, IoTHubTransportHttp_Destroy shall free all the resources currently in use. ]/
Azure.IoT Build	19:d4f9e872bf3e	832	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	833	{
Azure.IoT Build	19:d4f9e872bf3e	834	listItem = VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	19:d4f9e872bf3e	835	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	836	destroy_perDeviceData(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	837	free(perDeviceItem);
Azure.IoT Build	19:d4f9e872bf3e	838	}
Azure.IoT Build	13:848d52f93daf	839
Azure.IoT Build	19:d4f9e872bf3e	840	destroy_hostName(handle);
Azure.IoT Build	19:d4f9e872bf3e	841	destroy_httpApiExHandle(handle);
Azure.IoT Build	19:d4f9e872bf3e	842	destroy_perDeviceList(handle);
Azure.IoT Build	19:d4f9e872bf3e	843	free(handle);
Azure.IoT Build	19:d4f9e872bf3e	844	}
AzureIoTClient	6:73793bae15ba	845	}
AzureIoTClient	6:73793bae15ba	846
AzureIoTClient	18:ab990f6aa61f	847	static int IoTHubTransportHttp_Subscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	848	{
Azure.IoT Build	19:d4f9e872bf3e	849	int result;
Azure.IoT Build	19:d4f9e872bf3e	850	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	851	{
Azure.IoT Build	19:d4f9e872bf3e	852	/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	853	LogError("invalid arg passed to IoTHubTransportHttp_Subscribe");
Azure.IoT Build	19:d4f9e872bf3e	854	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	855	}
Azure.IoT Build	19:d4f9e872bf3e	856	else
Azure.IoT Build	19:d4f9e872bf3e	857	{
Azure.IoT Build	19:d4f9e872bf3e	858	/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	859	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	13:848d52f93daf	860
Azure.IoT Build	19:d4f9e872bf3e	861	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	862	{
Azure.IoT Build	19:d4f9e872bf3e	863	/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	864	LogError("did not find device in transport handle");
Azure.IoT Build	19:d4f9e872bf3e	865	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	866	}
Azure.IoT Build	19:d4f9e872bf3e	867	else
Azure.IoT Build	19:d4f9e872bf3e	868	{
Azure.IoT Build	19:d4f9e872bf3e	869	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem;
Azure.IoT Build	13:848d52f93daf	870
Azure.IoT Build	19:d4f9e872bf3e	871	perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	872	/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	873	perDeviceItem->DoWork_PullMessage = true;
Azure.IoT Build	19:d4f9e872bf3e	874	}
Azure.IoT Build	19:d4f9e872bf3e	875	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	876	}
Azure.IoT Build	19:d4f9e872bf3e	877	return result;
AzureIoTClient	6:73793bae15ba	878	}
AzureIoTClient	6:73793bae15ba	879
AzureIoTClient	18:ab990f6aa61f	880	static void IoTHubTransportHttp_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient	6:73793bae15ba	881	{
Azure.IoT Build	19:d4f9e872bf3e	882	/Codes_SRS_TRANSPORTMULTITHTTP_17_107: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Unsubscribe shall fail do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	883	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	884	{
Azure.IoT Build	19:d4f9e872bf3e	885	/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	886	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	887	/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	888	if (listItem != NULL)
Azure.IoT Build	19:d4f9e872bf3e	889	{
Azure.IoT Build	19:d4f9e872bf3e	890	HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA )(listItem);
Azure.IoT Build	19:d4f9e872bf3e	891	/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	892	perDeviceItem->DoWork_PullMessage = false;
Azure.IoT Build	19:d4f9e872bf3e	893	}
Azure.IoT Build	19:d4f9e872bf3e	894	else
Azure.IoT Build	19:d4f9e872bf3e	895	{
Azure.IoT Build	19:d4f9e872bf3e	896	LogError("Device not found to unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	897	}
Azure.IoT Build	19:d4f9e872bf3e	898	}
Azure.IoT Build	19:d4f9e872bf3e	899	else
Azure.IoT Build	19:d4f9e872bf3e	900	{
Azure.IoT Build	19:d4f9e872bf3e	901	LogError("Null handle passed to Unsuscribe.");
Azure.IoT Build	19:d4f9e872bf3e	902	}
AzureIoTClient	6:73793bae15ba	903	}
AzureIoTClient	6:73793bae15ba	904
AzureIoTClient	6:73793bae15ba	905	/produces a representation of the properties, if they exist/
AzureIoTClient	6:73793bae15ba	906	/if they do not exist, produces ""/
AzureIoTClient	6:73793bae15ba	907	static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
AzureIoTClient	6:73793bae15ba	908	{
Azure.IoT Build	19:d4f9e872bf3e	909	int result;
Azure.IoT Build	19:d4f9e872bf3e	910	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	911	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	912	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	913	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	914	{
Azure.IoT Build	19:d4f9e872bf3e	915	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	916	LogError("error while Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	917	}
Azure.IoT Build	19:d4f9e872bf3e	918	else
Azure.IoT Build	19:d4f9e872bf3e	919	{
AzureIoTClient	6:73793bae15ba	920
Azure.IoT Build	19:d4f9e872bf3e	921	if (count == 0)
Azure.IoT Build	19:d4f9e872bf3e	922	{
Azure.IoT Build	19:d4f9e872bf3e	923	/Codes_SRS_TRANSPORTMULTITHTTP_17_064: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload/
Azure.IoT Build	19:d4f9e872bf3e	924	/no properties - do nothing with existing/
Azure.IoT Build	19:d4f9e872bf3e	925	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	926	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	927	}
Azure.IoT Build	19:d4f9e872bf3e	928	else
Azure.IoT Build	19:d4f9e872bf3e	929	{
Azure.IoT Build	19:d4f9e872bf3e	930	/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	931	if (STRING_concat(existing, ",\"properties\":") != 0)
Azure.IoT Build	19:d4f9e872bf3e	932	{
Azure.IoT Build	19:d4f9e872bf3e	933	/go ahead and return it/
Azure.IoT Build	19:d4f9e872bf3e	934	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	935	LogError("failed STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	936	}
Azure.IoT Build	19:d4f9e872bf3e	937	else if (appendMapToJSON(existing, keys, values, count) != 0)
Azure.IoT Build	19:d4f9e872bf3e	938	{
Azure.IoT Build	19:d4f9e872bf3e	939	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	940	LogError("unable to append the properties");
Azure.IoT Build	19:d4f9e872bf3e	941	}
Azure.IoT Build	19:d4f9e872bf3e	942	else
Azure.IoT Build	19:d4f9e872bf3e	943	{
Azure.IoT Build	19:d4f9e872bf3e	944	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	945	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	946	*propertiesMessageSizeContribution = 0;
Azure.IoT Build	19:d4f9e872bf3e	947	for (i = 0;i < count;i++)
Azure.IoT Build	19:d4f9e872bf3e	948	{
Azure.IoT Build	19:d4f9e872bf3e	949	/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	950	*propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	951	}
Azure.IoT Build	19:d4f9e872bf3e	952	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	953	}
Azure.IoT Build	19:d4f9e872bf3e	954	}
Azure.IoT Build	19:d4f9e872bf3e	955	}
Azure.IoT Build	19:d4f9e872bf3e	956	return result;
AzureIoTClient	6:73793bae15ba	957	}
AzureIoTClient	6:73793bae15ba	958
AzureIoTClient	6:73793bae15ba	959	/produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}/
AzureIoTClient	6:73793bae15ba	960	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	961	{
Azure.IoT Build	19:d4f9e872bf3e	962	int result;
Azure.IoT Build	19:d4f9e872bf3e	963	if (STRING_concat(existing, "{") != 0)
Azure.IoT Build	19:d4f9e872bf3e	964	{
Azure.IoT Build	19:d4f9e872bf3e	965	/go on and return it/
Azure.IoT Build	19:d4f9e872bf3e	966	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	967	LogError("STRING_construct failed");
Azure.IoT Build	19:d4f9e872bf3e	968	}
Azure.IoT Build	19:d4f9e872bf3e	969	else
Azure.IoT Build	19:d4f9e872bf3e	970	{
Azure.IoT Build	19:d4f9e872bf3e	971	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	972	for (i = 0; i < count; i++)
Azure.IoT Build	19:d4f9e872bf3e	973	{
Azure.IoT Build	19:d4f9e872bf3e	974	if (!(
Azure.IoT Build	19:d4f9e872bf3e	975	(STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	976	(STRING_concat(existing, keys[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	977	(STRING_concat(existing, "\":\"") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	978	(STRING_concat(existing, values[i]) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	979	(STRING_concat(existing, "\"") == 0)
Azure.IoT Build	19:d4f9e872bf3e	980	))
Azure.IoT Build	19:d4f9e872bf3e	981	{
Azure.IoT Build	19:d4f9e872bf3e	982	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	983	break;
Azure.IoT Build	19:d4f9e872bf3e	984	}
Azure.IoT Build	19:d4f9e872bf3e	985	}
AzureIoTClient	6:73793bae15ba	986
Azure.IoT Build	19:d4f9e872bf3e	987	if (i < count)
Azure.IoT Build	19:d4f9e872bf3e	988	{
Azure.IoT Build	19:d4f9e872bf3e	989	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	990	/error, let it go through/
Azure.IoT Build	19:d4f9e872bf3e	991	}
Azure.IoT Build	19:d4f9e872bf3e	992	else if (STRING_concat(existing, "}") != 0)
Azure.IoT Build	19:d4f9e872bf3e	993	{
Azure.IoT Build	19:d4f9e872bf3e	994	result = __LINE__;
Azure.IoT Build	19:d4f9e872bf3e	995	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	996	}
Azure.IoT Build	19:d4f9e872bf3e	997	else
Azure.IoT Build	19:d4f9e872bf3e	998	{
Azure.IoT Build	19:d4f9e872bf3e	999	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1000	result = 0;
Azure.IoT Build	19:d4f9e872bf3e	1001	}
Azure.IoT Build	19:d4f9e872bf3e	1002	}
Azure.IoT Build	19:d4f9e872bf3e	1003	return result;
AzureIoTClient	6:73793bae15ba	1004	}
AzureIoTClient	6:73793bae15ba	1005
AzureIoTClient	6:73793bae15ba	1006	/makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
AzureIoTClient	6:73793bae15ba	1007	/return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data/
AzureIoTClient	6:73793bae15ba	1008	static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
AzureIoTClient	6:73793bae15ba	1009	{
Azure.IoT Build	19:d4f9e872bf3e	1010	STRING_HANDLE result; /temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}/
Azure.IoT Build	19:d4f9e872bf3e	1011	IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1012	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	17:7ef88cde801f	1013
Azure.IoT Build	19:d4f9e872bf3e	1014	switch (contentType)
Azure.IoT Build	19:d4f9e872bf3e	1015	{
Azure.IoT Build	19:d4f9e872bf3e	1016	case IOTHUBMESSAGE_BYTEARRAY:
Azure.IoT Build	19:d4f9e872bf3e	1017	{
Azure.IoT Build	19:d4f9e872bf3e	1018	result = STRING_construct("{\"body\":\"");
Azure.IoT Build	19:d4f9e872bf3e	1019	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1020	{
Azure.IoT Build	19:d4f9e872bf3e	1021	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1022	}
Azure.IoT Build	19:d4f9e872bf3e	1023	else
Azure.IoT Build	19:d4f9e872bf3e	1024	{
Azure.IoT Build	19:d4f9e872bf3e	1025	const unsigned char* source;
Azure.IoT Build	19:d4f9e872bf3e	1026	size_t size;
AzureIoTClient	6:73793bae15ba	1027
Azure.IoT Build	19:d4f9e872bf3e	1028	if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1029	{
Azure.IoT Build	19:d4f9e872bf3e	1030	LogError("unable to get the data for the message.");
Azure.IoT Build	19:d4f9e872bf3e	1031	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1032	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1033	}
Azure.IoT Build	19:d4f9e872bf3e	1034	else
Azure.IoT Build	19:d4f9e872bf3e	1035	{
Azure.IoT Build	19:d4f9e872bf3e	1036	STRING_HANDLE encoded = Base64_Encode_Bytes(source, size);
Azure.IoT Build	19:d4f9e872bf3e	1037	if (encoded == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1038	{
Azure.IoT Build	19:d4f9e872bf3e	1039	LogError("unable to Base64_Encode_Bytes.");
Azure.IoT Build	19:d4f9e872bf3e	1040	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1041	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1042	}
Azure.IoT Build	19:d4f9e872bf3e	1043	else
Azure.IoT Build	19:d4f9e872bf3e	1044	{
Azure.IoT Build	19:d4f9e872bf3e	1045	size_t propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1046	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1047	(STRING_concat_with_STRING(result, encoded) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1048	(STRING_concat(result, "\"") == 0) && /\" because closing value/
Azure.IoT Build	19:d4f9e872bf3e	1049	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1050	(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	1051	))
Azure.IoT Build	19:d4f9e872bf3e	1052	{
Azure.IoT Build	19:d4f9e872bf3e	1053	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1054	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1055	LogError("unable to STRING_concat_with_STRING.");
Azure.IoT Build	19:d4f9e872bf3e	1056	}
Azure.IoT Build	19:d4f9e872bf3e	1057	else
Azure.IoT Build	19:d4f9e872bf3e	1058	{
Azure.IoT Build	19:d4f9e872bf3e	1059	/all is fine... /
Azure.IoT Build	19:d4f9e872bf3e	1060	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1061	*messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1062	}
Azure.IoT Build	19:d4f9e872bf3e	1063	STRING_delete(encoded);
Azure.IoT Build	19:d4f9e872bf3e	1064	}
Azure.IoT Build	19:d4f9e872bf3e	1065	}
Azure.IoT Build	19:d4f9e872bf3e	1066	}
Azure.IoT Build	19:d4f9e872bf3e	1067	break;
Azure.IoT Build	19:d4f9e872bf3e	1068	}
Azure.IoT Build	19:d4f9e872bf3e	1069	/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	1070	case IOTHUBMESSAGE_STRING:
Azure.IoT Build	19:d4f9e872bf3e	1071	{
Azure.IoT Build	19:d4f9e872bf3e	1072	result = STRING_construct("{\"body\":");
Azure.IoT Build	19:d4f9e872bf3e	1073	if (result == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1074	{
Azure.IoT Build	19:d4f9e872bf3e	1075	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1076	}
Azure.IoT Build	19:d4f9e872bf3e	1077	else
Azure.IoT Build	19:d4f9e872bf3e	1078	{
Azure.IoT Build	19:d4f9e872bf3e	1079	const char* source = IoTHubMessage_GetString(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1080	if (source == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1081	{
Azure.IoT Build	19:d4f9e872bf3e	1082	LogError("unable to IoTHubMessage_GetString");
Azure.IoT Build	19:d4f9e872bf3e	1083	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1084	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1085	}
Azure.IoT Build	19:d4f9e872bf3e	1086	else
Azure.IoT Build	19:d4f9e872bf3e	1087	{
Azure.IoT Build	19:d4f9e872bf3e	1088	STRING_HANDLE asJson = STRING_new_JSON(source);
Azure.IoT Build	19:d4f9e872bf3e	1089	if (asJson == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1090	{
Azure.IoT Build	19:d4f9e872bf3e	1091	LogError("unable to STRING_new_JSON");
Azure.IoT Build	19:d4f9e872bf3e	1092	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1093	result = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1094	}
Azure.IoT Build	19:d4f9e872bf3e	1095	else
Azure.IoT Build	19:d4f9e872bf3e	1096	{
Azure.IoT Build	19:d4f9e872bf3e	1097	size_t propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1098	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1099	(STRING_concat_with_STRING(result, asJson) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1100	(STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1101	(concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1102	(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	1103	))
Azure.IoT Build	19:d4f9e872bf3e	1104	{
Azure.IoT Build	19:d4f9e872bf3e	1105	LogError("unable to STRING_concat_with_STRING");
Azure.IoT Build	19:d4f9e872bf3e	1106	STRING_delete(result);
Azure.IoT Build	19:d4f9e872bf3e	1107	result = NULL;
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	/result has the intended content/
Azure.IoT Build	19:d4f9e872bf3e	1112	/Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] /
Azure.IoT Build	19:d4f9e872bf3e	1113	*messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
Azure.IoT Build	19:d4f9e872bf3e	1114	}
Azure.IoT Build	19:d4f9e872bf3e	1115	STRING_delete(asJson);
Azure.IoT Build	19:d4f9e872bf3e	1116	}
Azure.IoT Build	19:d4f9e872bf3e	1117	}
Azure.IoT Build	19:d4f9e872bf3e	1118	}
Azure.IoT Build	19:d4f9e872bf3e	1119	break;
Azure.IoT Build	19:d4f9e872bf3e	1120	}
Azure.IoT Build	19:d4f9e872bf3e	1121	default:
Azure.IoT Build	19:d4f9e872bf3e	1122	{
Azure.IoT Build	19:d4f9e872bf3e	1123	LogError("an unknown message type was encountered (%d)", contentType);
Azure.IoT Build	19:d4f9e872bf3e	1124	result = NULL; /unknown message type/
Azure.IoT Build	19:d4f9e872bf3e	1125	break;
Azure.IoT Build	19:d4f9e872bf3e	1126	}
Azure.IoT Build	19:d4f9e872bf3e	1127	}
Azure.IoT Build	19:d4f9e872bf3e	1128	return result;
AzureIoTClient	6:73793bae15ba	1129	}
AzureIoTClient	6:73793bae15ba	1130
AzureIoTClient	6:73793bae15ba	1131	#define MAKE_PAYLOAD_RESULT_VALUES \
AzureIoTClient	6:73793bae15ba	1132	MAKE_PAYLOAD_OK, /returned when there is a payload to be later send by HTTP/ \
AzureIoTClient	6:73793bae15ba	1133	MAKE_PAYLOAD_NO_ITEMS, /returned when there are no items to be send/ \
AzureIoTClient	6:73793bae15ba	1134	MAKE_PAYLOAD_ERROR, /returned when there were errors/ \
AzureIoTClient	6:73793bae15ba	1135	MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /returned when the first item doesn't fit/
AzureIoTClient	6:73793bae15ba	1136
AzureIoTClient	6:73793bae15ba	1137	DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
AzureIoTClient	6:73793bae15ba	1138
AzureIoTClient	6:73793bae15ba	1139	/this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload/
Azure.IoT Build	13:848d52f93daf	1140	/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	1141	static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_PERDEVICE_DATA* deviceData, STRING_HANDLE* payload)
AzureIoTClient	6:73793bae15ba	1142	{
Azure.IoT Build	19:d4f9e872bf3e	1143	MAKE_PAYLOAD_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	1144	size_t allMessagesSize = 0;
Azure.IoT Build	19:d4f9e872bf3e	1145	*payload = STRING_construct("[");
Azure.IoT Build	19:d4f9e872bf3e	1146	if (*payload == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1147	{
Azure.IoT Build	19:d4f9e872bf3e	1148	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1149	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1150	}
Azure.IoT Build	19:d4f9e872bf3e	1151	else
Azure.IoT Build	19:d4f9e872bf3e	1152	{
Azure.IoT Build	19:d4f9e872bf3e	1153	bool isFirst = true;
Azure.IoT Build	19:d4f9e872bf3e	1154	PDLIST_ENTRY actual;
Azure.IoT Build	19:d4f9e872bf3e	1155	bool keepGoing = true; /keepGoing gets sometimes to false from within the loop/
Azure.IoT Build	19:d4f9e872bf3e	1156	/either all the items enter the list or only some/
Azure.IoT Build	19:d4f9e872bf3e	1157	result = MAKE_PAYLOAD_OK; /optimistically initializing it/
Azure.IoT Build	19:d4f9e872bf3e	1158	while (keepGoing && ((actual = deviceData->waitingToSend->Flink) != deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1159	{
Azure.IoT Build	19:d4f9e872bf3e	1160	size_t messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1161	STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
Azure.IoT Build	19:d4f9e872bf3e	1162	if (isFirst)
Azure.IoT Build	19:d4f9e872bf3e	1163	{
Azure.IoT Build	19:d4f9e872bf3e	1164	isFirst = false;
Azure.IoT Build	19:d4f9e872bf3e	1165	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1166	if (temp == NULL) /first item failed to create, nothing to send/
Azure.IoT Build	19:d4f9e872bf3e	1167	{
Azure.IoT Build	19:d4f9e872bf3e	1168	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1169	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1170	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1171	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1172	}
Azure.IoT Build	19:d4f9e872bf3e	1173	else
Azure.IoT Build	19:d4f9e872bf3e	1174	{
Azure.IoT Build	19:d4f9e872bf3e	1175	/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	1176	/Codes_SRS_TRANSPORTMULTITHTTP_17_061: [The message size shall be limited to 255KB - 1 byte.]/
Azure.IoT Build	19:d4f9e872bf3e	1177	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1178	{
Azure.IoT Build	19:d4f9e872bf3e	1179	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1180	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1181	result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
Azure.IoT Build	19:d4f9e872bf3e	1182	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1183	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1184	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1185	}
Azure.IoT Build	19:d4f9e872bf3e	1186	else
Azure.IoT Build	19:d4f9e872bf3e	1187	{
Azure.IoT Build	19:d4f9e872bf3e	1188	if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1189	{
Azure.IoT Build	19:d4f9e872bf3e	1190	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1191	result = MAKE_PAYLOAD_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1192	STRING_delete(*payload);
Azure.IoT Build	19:d4f9e872bf3e	1193	*payload = NULL;
Azure.IoT Build	19:d4f9e872bf3e	1194	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1195	}
Azure.IoT Build	19:d4f9e872bf3e	1196	else
Azure.IoT Build	19:d4f9e872bf3e	1197	{
Azure.IoT Build	19:d4f9e872bf3e	1198	/first item was put nicely in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1199	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1200	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1201	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1202	}
Azure.IoT Build	19:d4f9e872bf3e	1203	}
Azure.IoT Build	19:d4f9e872bf3e	1204	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1205	}
Azure.IoT Build	19:d4f9e872bf3e	1206	}
Azure.IoT Build	19:d4f9e872bf3e	1207	else
Azure.IoT Build	19:d4f9e872bf3e	1208	{
Azure.IoT Build	19:d4f9e872bf3e	1209	/there is at least 1 item already in the payload/
Azure.IoT Build	19:d4f9e872bf3e	1210	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1211	{
Azure.IoT Build	19:d4f9e872bf3e	1212	/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	1213	/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	1214	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1215	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1216	}
Azure.IoT Build	19:d4f9e872bf3e	1217	else
Azure.IoT Build	19:d4f9e872bf3e	1218	{
Azure.IoT Build	19:d4f9e872bf3e	1219	if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1220	{
Azure.IoT Build	19:d4f9e872bf3e	1221	/this item doesn't make it to the payload, but the payload is valid so far/
Azure.IoT Build	19:d4f9e872bf3e	1222	/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	1223	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1224	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1225	}
Azure.IoT Build	19:d4f9e872bf3e	1226	else if (STRING_concat_with_STRING(*payload, temp) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1227	{
Azure.IoT Build	19:d4f9e872bf3e	1228	/should still send what there is so far.../
Azure.IoT Build	19:d4f9e872bf3e	1229	/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	1230	result = MAKE_PAYLOAD_OK;
Azure.IoT Build	19:d4f9e872bf3e	1231	keepGoing = false;
Azure.IoT Build	19:d4f9e872bf3e	1232	}
Azure.IoT Build	19:d4f9e872bf3e	1233	else
Azure.IoT Build	19:d4f9e872bf3e	1234	{
Azure.IoT Build	19:d4f9e872bf3e	1235	/cool, the payload made it there, let's continue... /
Azure.IoT Build	19:d4f9e872bf3e	1236	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1237	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1238	allMessagesSize += messageSize;
Azure.IoT Build	19:d4f9e872bf3e	1239	}
Azure.IoT Build	19:d4f9e872bf3e	1240	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1241	}
Azure.IoT Build	19:d4f9e872bf3e	1242	}
Azure.IoT Build	19:d4f9e872bf3e	1243	}
AzureIoTClient	6:73793bae15ba	1244
Azure.IoT Build	19:d4f9e872bf3e	1245	/closing the payload/
Azure.IoT Build	19:d4f9e872bf3e	1246	if (result == MAKE_PAYLOAD_OK)
Azure.IoT Build	19:d4f9e872bf3e	1247	{
Azure.IoT Build	19:d4f9e872bf3e	1248	((char)STRING_c_str(payload))[STRING_length(payload) - 1] = ']'; /TODO - do this in STRING_HANDLE*/
Azure.IoT Build	19:d4f9e872bf3e	1249	}
Azure.IoT Build	19:d4f9e872bf3e	1250	else
Azure.IoT Build	19:d4f9e872bf3e	1251	{
Azure.IoT Build	19:d4f9e872bf3e	1252	/no need to close anything/
Azure.IoT Build	19:d4f9e872bf3e	1253	}
Azure.IoT Build	19:d4f9e872bf3e	1254	}
Azure.IoT Build	19:d4f9e872bf3e	1255	return result;
AzureIoTClient	6:73793bae15ba	1256	}
AzureIoTClient	6:73793bae15ba	1257
AzureIoTClient	6:73793bae15ba	1258	static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
AzureIoTClient	6:73793bae15ba	1259	{
Azure.IoT Build	19:d4f9e872bf3e	1260	/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	1261	DList_AppendTailList(destination->Flink, source);
Azure.IoT Build	19:d4f9e872bf3e	1262	DList_RemoveEntryList(source);
Azure.IoT Build	19:d4f9e872bf3e	1263	DList_InitializeListHead(source);
AzureIoTClient	6:73793bae15ba	1264	}
AzureIoTClient	6:73793bae15ba	1265
Azure.IoT Build	13:848d52f93daf	1266	static void DoEvent(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1267	{
Azure.IoT Build	13:848d52f93daf	1268
Azure.IoT Build	19:d4f9e872bf3e	1269	if (DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	1270	{
Azure.IoT Build	19:d4f9e872bf3e	1271	/Codes_SRS_TRANSPORTMULTITHTTP_17_060: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] /
Azure.IoT Build	19:d4f9e872bf3e	1272	}
Azure.IoT Build	19:d4f9e872bf3e	1273	else
Azure.IoT Build	19:d4f9e872bf3e	1274	{
Azure.IoT Build	19:d4f9e872bf3e	1275	/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	1276	if (handleData->doBatchedTransfers)
Azure.IoT Build	19:d4f9e872bf3e	1277	{
Azure.IoT Build	19:d4f9e872bf3e	1278	/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	1279	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1280	{
Azure.IoT Build	19:d4f9e872bf3e	1281	/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	1282	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1283	}
Azure.IoT Build	19:d4f9e872bf3e	1284	else
Azure.IoT Build	19:d4f9e872bf3e	1285	{
Azure.IoT Build	19:d4f9e872bf3e	1286	/Codes_SRS_TRANSPORTMULTITHTTP_17_059: [It shall inspect the "waitingToSend" DLIST passed in config structure.] /
Azure.IoT Build	19:d4f9e872bf3e	1287	STRING_HANDLE payload;
Azure.IoT Build	19:d4f9e872bf3e	1288	switch (makePayload(deviceData, &payload))
Azure.IoT Build	19:d4f9e872bf3e	1289	{
Azure.IoT Build	19:d4f9e872bf3e	1290	case MAKE_PAYLOAD_OK:
Azure.IoT Build	19:d4f9e872bf3e	1291	{
Azure.IoT Build	19:d4f9e872bf3e	1292	/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	1293	BUFFER_HANDLE temp = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1294	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1295	{
Azure.IoT Build	19:d4f9e872bf3e	1296	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1297	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1298	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1299	}
Azure.IoT Build	19:d4f9e872bf3e	1300	else
Azure.IoT Build	19:d4f9e872bf3e	1301	{
Azure.IoT Build	19:d4f9e872bf3e	1302	if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1303	{
Azure.IoT Build	19:d4f9e872bf3e	1304	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1305	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1306	/Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]/
Azure.IoT Build	19:d4f9e872bf3e	1307	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1308	}
Azure.IoT Build	19:d4f9e872bf3e	1309	else
Azure.IoT Build	19:d4f9e872bf3e	1310	{
Azure.IoT Build	19:d4f9e872bf3e	1311	unsigned int statusCode;
Azure.IoT Build	19:d4f9e872bf3e	1312	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1313	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1314	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1315	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1316	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1317	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1318	deviceData->eventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1319	temp,
Azure.IoT Build	19:d4f9e872bf3e	1320	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1321	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1322	NULL
Azure.IoT Build	19:d4f9e872bf3e	1323	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1324	{
Azure.IoT Build	19:d4f9e872bf3e	1325	LogError("unable to HTTPAPIEX_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1326	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1327	/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	1328	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1329	}
Azure.IoT Build	19:d4f9e872bf3e	1330	else
Azure.IoT Build	19:d4f9e872bf3e	1331	{
Azure.IoT Build	19:d4f9e872bf3e	1332	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1333	{
Azure.IoT Build	19:d4f9e872bf3e	1334	/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	1335	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK);
Azure.IoT Build	19:d4f9e872bf3e	1336	}
Azure.IoT Build	19:d4f9e872bf3e	1337	else
Azure.IoT Build	19:d4f9e872bf3e	1338	{
Azure.IoT Build	19:d4f9e872bf3e	1339	//items go back to waitingToSend
Azure.IoT Build	19:d4f9e872bf3e	1340	/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	1341	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1342	reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
Azure.IoT Build	19:d4f9e872bf3e	1343	}
Azure.IoT Build	19:d4f9e872bf3e	1344	}
Azure.IoT Build	19:d4f9e872bf3e	1345	}
Azure.IoT Build	19:d4f9e872bf3e	1346	BUFFER_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1347	}
Azure.IoT Build	19:d4f9e872bf3e	1348	STRING_delete(payload);
Azure.IoT Build	19:d4f9e872bf3e	1349	break;
Azure.IoT Build	19:d4f9e872bf3e	1350	}
Azure.IoT Build	19:d4f9e872bf3e	1351	case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
Azure.IoT Build	19:d4f9e872bf3e	1352	{
Azure.IoT Build	19:d4f9e872bf3e	1353	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1354	break;
Azure.IoT Build	19:d4f9e872bf3e	1355	}
Azure.IoT Build	19:d4f9e872bf3e	1356	case MAKE_PAYLOAD_ERROR:
Azure.IoT Build	19:d4f9e872bf3e	1357	{
Azure.IoT Build	19:d4f9e872bf3e	1358	LogError("unrecoverable errors while building a batch message");
Azure.IoT Build	19:d4f9e872bf3e	1359	break;
Azure.IoT Build	19:d4f9e872bf3e	1360	}
Azure.IoT Build	19:d4f9e872bf3e	1361	case MAKE_PAYLOAD_NO_ITEMS:
Azure.IoT Build	19:d4f9e872bf3e	1362	{
Azure.IoT Build	19:d4f9e872bf3e	1363	/do nothing/
Azure.IoT Build	19:d4f9e872bf3e	1364	break;
Azure.IoT Build	19:d4f9e872bf3e	1365	}
Azure.IoT Build	19:d4f9e872bf3e	1366	default:
Azure.IoT Build	19:d4f9e872bf3e	1367	{
Azure.IoT Build	19:d4f9e872bf3e	1368	LogError("internal error: switch's default branch reached when never intended");
Azure.IoT Build	19:d4f9e872bf3e	1369	break;
Azure.IoT Build	19:d4f9e872bf3e	1370	}
Azure.IoT Build	19:d4f9e872bf3e	1371	}
Azure.IoT Build	19:d4f9e872bf3e	1372	}
Azure.IoT Build	19:d4f9e872bf3e	1373	}
Azure.IoT Build	19:d4f9e872bf3e	1374	else
Azure.IoT Build	19:d4f9e872bf3e	1375	{
Azure.IoT Build	19:d4f9e872bf3e	1376	const unsigned char* messageContent=NULL;
Azure.IoT Build	19:d4f9e872bf3e	1377	size_t messageSize=0;
Azure.IoT Build	19:d4f9e872bf3e	1378	size_t originalMessageSize=0;
Azure.IoT Build	19:d4f9e872bf3e	1379	IOTHUB_MESSAGE_LIST* message = containingRecord(deviceData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build	19:d4f9e872bf3e	1380	IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
AzureIoTClient	6:73793bae15ba	1381
Azure.IoT Build	19:d4f9e872bf3e	1382	/Codes_SRS_TRANSPORTMULTITHTTP_17_073: [The message size is computed from the length of the payload + 384.]/
Azure.IoT Build	19:d4f9e872bf3e	1383	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1384	(((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
Azure.IoT Build	19:d4f9e872bf3e	1385	(IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize)==IOTHUB_MESSAGE_OK)) ? (messageSize= originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD, 1): 0)
AzureIoTClient	17:7ef88cde801f	1386
Azure.IoT Build	19:d4f9e872bf3e	1387	\|\|
AzureIoTClient	6:73793bae15ba	1388
Azure.IoT Build	19:d4f9e872bf3e	1389	((contentType == IOTHUBMESSAGE_STRING) && (
Azure.IoT Build	19:d4f9e872bf3e	1390	messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle),
Azure.IoT Build	19:d4f9e872bf3e	1391	(messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)?0:strlen((const char*)messageContent)))),
Azure.IoT Build	19:d4f9e872bf3e	1392	messageContent!=NULL)
Azure.IoT Build	19:d4f9e872bf3e	1393	)
Azure.IoT Build	19:d4f9e872bf3e	1394	))
Azure.IoT Build	19:d4f9e872bf3e	1395	{
Azure.IoT Build	19:d4f9e872bf3e	1396	LogError("unable to get the message content");
Azure.IoT Build	19:d4f9e872bf3e	1397	/go on.../
Azure.IoT Build	19:d4f9e872bf3e	1398	}
Azure.IoT Build	19:d4f9e872bf3e	1399	else
Azure.IoT Build	19:d4f9e872bf3e	1400	{
Azure.IoT Build	19:d4f9e872bf3e	1401	/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	1402	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1403	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1404	{
Azure.IoT Build	19:d4f9e872bf3e	1405	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1406	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1407	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1408	}
Azure.IoT Build	19:d4f9e872bf3e	1409	else
Azure.IoT Build	19:d4f9e872bf3e	1410	{
Azure.IoT Build	19:d4f9e872bf3e	1411	/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	1412	/Codes_SRS_TRANSPORTMULTITHTTP_17_076: [A clone of the event HTTP request headers shall be created.]/
Azure.IoT Build	19:d4f9e872bf3e	1413	HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(deviceData->eventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1414	if (clonedEventHTTPrequestHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1415	{
Azure.IoT Build	19:d4f9e872bf3e	1416	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1417	LogError("HTTPHeaders_Clone failed");
Azure.IoT Build	19:d4f9e872bf3e	1418	}
Azure.IoT Build	19:d4f9e872bf3e	1419	else
Azure.IoT Build	19:d4f9e872bf3e	1420	{
Azure.IoT Build	19:d4f9e872bf3e	1421	/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	1422	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1423	{
Azure.IoT Build	19:d4f9e872bf3e	1424	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1425	LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed");
Azure.IoT Build	19:d4f9e872bf3e	1426	}
Azure.IoT Build	19:d4f9e872bf3e	1427	else
Azure.IoT Build	19:d4f9e872bf3e	1428	{
Azure.IoT Build	19:d4f9e872bf3e	1429	/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	1430	MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1431	const charconst keys;
Azure.IoT Build	19:d4f9e872bf3e	1432	const charconst values;
Azure.IoT Build	19:d4f9e872bf3e	1433	size_t count;
Azure.IoT Build	19:d4f9e872bf3e	1434	if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
Azure.IoT Build	19:d4f9e872bf3e	1435	{
Azure.IoT Build	19:d4f9e872bf3e	1436	/Codes_SRS_TRANSPORTMULTITHTTP_17_078: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1437	LogError("unable to Map_GetInternals");
Azure.IoT Build	19:d4f9e872bf3e	1438	}
Azure.IoT Build	19:d4f9e872bf3e	1439	else
Azure.IoT Build	19:d4f9e872bf3e	1440	{
Azure.IoT Build	19:d4f9e872bf3e	1441	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1442	bool goOn = true;
Azure.IoT Build	19:d4f9e872bf3e	1443	const char* msgId;
Azure.IoT Build	19:d4f9e872bf3e	1444	const char* corrId;
AzureIoTClient	17:7ef88cde801f	1445
Azure.IoT Build	19:d4f9e872bf3e	1446	for (i = 0; (i < count) && goOn; i++)
Azure.IoT Build	19:d4f9e872bf3e	1447	{
Azure.IoT Build	19:d4f9e872bf3e	1448	/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	1449	messageSize += (strlen(values[i]) + strlen(keys[i]) + MAXIMUM_PROPERTY_OVERHEAD);
Azure.IoT Build	19:d4f9e872bf3e	1450	if (messageSize > MAXIMUM_MESSAGE_SIZE)
Azure.IoT Build	19:d4f9e872bf3e	1451	{
Azure.IoT Build	19:d4f9e872bf3e	1452	/Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] /
Azure.IoT Build	19:d4f9e872bf3e	1453	PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1454	DList_InsertTailList(&(deviceData->eventConfirmations), head);
Azure.IoT Build	19:d4f9e872bf3e	1455	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1456	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1457	}
Azure.IoT Build	19:d4f9e872bf3e	1458	else
Azure.IoT Build	19:d4f9e872bf3e	1459	{
Azure.IoT Build	19:d4f9e872bf3e	1460	STRING_HANDLE temp = STRING_construct(IOTHUB_APP_PREFIX);
Azure.IoT Build	19:d4f9e872bf3e	1461	if (temp == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1462	{
Azure.IoT Build	19:d4f9e872bf3e	1463	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1464	LogError("unable to STRING_construct");
Azure.IoT Build	19:d4f9e872bf3e	1465	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1466	}
Azure.IoT Build	19:d4f9e872bf3e	1467	else
Azure.IoT Build	19:d4f9e872bf3e	1468	{
Azure.IoT Build	19:d4f9e872bf3e	1469	if (STRING_concat(temp, keys[i]) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1470	{
Azure.IoT Build	19:d4f9e872bf3e	1471	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1472	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1473	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1474	}
Azure.IoT Build	19:d4f9e872bf3e	1475	else
Azure.IoT Build	19:d4f9e872bf3e	1476	{
Azure.IoT Build	19:d4f9e872bf3e	1477	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, STRING_c_str(temp), values[i]) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1478	{
Azure.IoT Build	19:d4f9e872bf3e	1479	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1480	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1481	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1482	}
Azure.IoT Build	19:d4f9e872bf3e	1483	}
Azure.IoT Build	19:d4f9e872bf3e	1484	STRING_delete(temp);
Azure.IoT Build	19:d4f9e872bf3e	1485	}
Azure.IoT Build	19:d4f9e872bf3e	1486	}
Azure.IoT Build	19:d4f9e872bf3e	1487	}
AzureIoTClient	6:73793bae15ba	1488
Azure.IoT Build	19:d4f9e872bf3e	1489	// Add the Message Id and the Correlation Id
Azure.IoT Build	19:d4f9e872bf3e	1490	msgId = IoTHubMessage_GetMessageId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1491	if (goOn && msgId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1492	{
Azure.IoT Build	19:d4f9e872bf3e	1493	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_MESSAGE_ID, msgId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1494	{
Azure.IoT Build	19:d4f9e872bf3e	1495	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1496	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1497	}
Azure.IoT Build	19:d4f9e872bf3e	1498	}
AzureIoTClient	17:7ef88cde801f	1499
Azure.IoT Build	19:d4f9e872bf3e	1500	corrId = IoTHubMessage_GetCorrelationId(message->messageHandle);
Azure.IoT Build	19:d4f9e872bf3e	1501	if (goOn && corrId != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1502	{
Azure.IoT Build	19:d4f9e872bf3e	1503	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_CORRELATION_ID, corrId) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1504	{
Azure.IoT Build	19:d4f9e872bf3e	1505	LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1506	goOn = false;
Azure.IoT Build	19:d4f9e872bf3e	1507	}
Azure.IoT Build	19:d4f9e872bf3e	1508	}
AzureIoTClient	7:48f0f78cd3ef	1509
Azure.IoT Build	19:d4f9e872bf3e	1510	if (!goOn)
Azure.IoT Build	19:d4f9e872bf3e	1511	{
Azure.IoT Build	19:d4f9e872bf3e	1512	/Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] /
Azure.IoT Build	19:d4f9e872bf3e	1513	}
Azure.IoT Build	19:d4f9e872bf3e	1514	else
Azure.IoT Build	19:d4f9e872bf3e	1515	{
Azure.IoT Build	19:d4f9e872bf3e	1516	BUFFER_HANDLE toBeSend = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1517	if (toBeSend == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1518	{
Azure.IoT Build	19:d4f9e872bf3e	1519	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1520	}
Azure.IoT Build	19:d4f9e872bf3e	1521	else
Azure.IoT Build	19:d4f9e872bf3e	1522	{
Azure.IoT Build	19:d4f9e872bf3e	1523	if (BUFFER_build(toBeSend, messageContent, originalMessageSize) != 0)
Azure.IoT Build	19:d4f9e872bf3e	1524	{
Azure.IoT Build	19:d4f9e872bf3e	1525	LogError("unable to BUFFER_build");
Azure.IoT Build	19:d4f9e872bf3e	1526	}
Azure.IoT Build	19:d4f9e872bf3e	1527	else
Azure.IoT Build	19:d4f9e872bf3e	1528	{
AzureIoTClient	20:b652f2e4cccf	1529	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1530	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1531	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1532	{
Azure.IoT Build	19:d4f9e872bf3e	1533	/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	1534	if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1535	{
Azure.IoT Build	19:d4f9e872bf3e	1536	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1537	/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	1538	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1539	}
AzureIoTClient	7:48f0f78cd3ef	1540
Azure.IoT Build	19:d4f9e872bf3e	1541	/Codes_SRS_TRANSPORTMULTITHTTP_03_003: [If a deviceSasToken exists, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_ExecuteRequest passing the following parameters] /
Azure.IoT Build	19:d4f9e872bf3e	1542	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1543	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1544	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1545	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1546	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1547	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1548	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1549	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1550	NULL
Azure.IoT Build	19:d4f9e872bf3e	1551	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1552	{
Azure.IoT Build	19:d4f9e872bf3e	1553	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1554	}
Azure.IoT Build	19:d4f9e872bf3e	1555	}
Azure.IoT Build	19:d4f9e872bf3e	1556	else
Azure.IoT Build	19:d4f9e872bf3e	1557	{
Azure.IoT Build	19:d4f9e872bf3e	1558	/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	1559	if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1560	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1561	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1562	HTTPAPI_REQUEST_POST,
Azure.IoT Build	19:d4f9e872bf3e	1563	STRING_c_str(deviceData->eventHTTPrelativePath),
Azure.IoT Build	19:d4f9e872bf3e	1564	clonedEventHTTPrequestHeaders,
Azure.IoT Build	19:d4f9e872bf3e	1565	toBeSend,
Azure.IoT Build	19:d4f9e872bf3e	1566	&statusCode,
Azure.IoT Build	19:d4f9e872bf3e	1567	NULL,
Azure.IoT Build	19:d4f9e872bf3e	1568	NULL
Azure.IoT Build	19:d4f9e872bf3e	1569	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1570	{
Azure.IoT Build	19:d4f9e872bf3e	1571	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1572	}
Azure.IoT Build	19:d4f9e872bf3e	1573	}
Azure.IoT Build	19:d4f9e872bf3e	1574	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1575	{
Azure.IoT Build	19:d4f9e872bf3e	1576	if (statusCode < 300)
Azure.IoT Build	19:d4f9e872bf3e	1577	{
Azure.IoT Build	19:d4f9e872bf3e	1578	/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	1579	PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /actually this is the same as "actual", but now it is removed/
Azure.IoT Build	19:d4f9e872bf3e	1580	DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
Azure.IoT Build	19:d4f9e872bf3e	1581	IoTHubClient_LL_SendComplete(iotHubClientHandle, &(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK); /takes care of emptying the list too/
Azure.IoT Build	19:d4f9e872bf3e	1582	}
Azure.IoT Build	19:d4f9e872bf3e	1583	else
Azure.IoT Build	19:d4f9e872bf3e	1584	{
Azure.IoT Build	19:d4f9e872bf3e	1585	/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	1586	LogError("unexpected HTTP status code (%u)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1587	}
Azure.IoT Build	19:d4f9e872bf3e	1588	}
Azure.IoT Build	19:d4f9e872bf3e	1589	}
Azure.IoT Build	19:d4f9e872bf3e	1590	BUFFER_delete(toBeSend);
Azure.IoT Build	19:d4f9e872bf3e	1591	}
Azure.IoT Build	19:d4f9e872bf3e	1592	}
Azure.IoT Build	19:d4f9e872bf3e	1593	}
Azure.IoT Build	19:d4f9e872bf3e	1594	}
Azure.IoT Build	19:d4f9e872bf3e	1595	HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1596	}
Azure.IoT Build	19:d4f9e872bf3e	1597	}
Azure.IoT Build	19:d4f9e872bf3e	1598	}
Azure.IoT Build	19:d4f9e872bf3e	1599	}
Azure.IoT Build	19:d4f9e872bf3e	1600	}
AzureIoTClient	6:73793bae15ba	1601	}
AzureIoTClient	6:73793bae15ba	1602
AzureIoTClient	6:73793bae15ba	1603	#define ACTION_VALUES \
AzureIoTClient	6:73793bae15ba	1604	ABANDON, \
AzureIoTClient	6:73793bae15ba	1605	REJECT, \
AzureIoTClient	6:73793bae15ba	1606	ACCEPT
AzureIoTClient	6:73793bae15ba	1607	DEFINE_ENUM(ACTION, ACTION_VALUES);
AzureIoTClient	6:73793bae15ba	1608
Azure.IoT Build	13:848d52f93daf	1609	static void abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* ETag, ACTION action)
AzureIoTClient	6:73793bae15ba	1610	{
Azure.IoT Build	19:d4f9e872bf3e	1611	/*Codes_SRS_TRANSPORTMULTITHTTP_17_097: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1612	-requestType: POST
Azure.IoT Build	19:d4f9e872bf3e	1613	-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03"
Azure.IoT Build	19:d4f9e872bf3e	1614	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1615	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1616	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1617	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1618	- statusCode: a pointer to unsigned int which might be examined for logging
Azure.IoT Build	19:d4f9e872bf3e	1619	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1620	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1621	/*Codes_SRS_TRANSPORTMULTITHTTP_17_099: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1622	-requestType: DELETE
Azure.IoT Build	19:d4f9e872bf3e	1623	-relativePath: abandon relative path begin + value of ETag + "?api-version=2016-02-03"
Azure.IoT Build	19:d4f9e872bf3e	1624	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1625	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1626	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1627	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1628	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1629	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1630	- responseContent: NULL]*/
Azure.IoT Build	19:d4f9e872bf3e	1631	/*Codes_SRS_TRANSPORTMULTITHTTP_17_101: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
Azure.IoT Build	19:d4f9e872bf3e	1632	-requestType: DELETE
Azure.IoT Build	19:d4f9e872bf3e	1633	-relativePath: abandon relative path begin + value of ETag +"?api-version=2016-02-03" + "&reject"
Azure.IoT Build	19:d4f9e872bf3e	1634	- requestHttpHeadersHandle: an HTTP headers instance containing the following
Azure.IoT Build	19:d4f9e872bf3e	1635	Authorization: " "
Azure.IoT Build	19:d4f9e872bf3e	1636	If-Match: value of ETag
Azure.IoT Build	19:d4f9e872bf3e	1637	- requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1638	- statusCode: a pointer to unsigned int which might be used by logging
Azure.IoT Build	19:d4f9e872bf3e	1639	- responseHeadearsHandle: NULL
Azure.IoT Build	19:d4f9e872bf3e	1640	- responseContent: NULL]*/
AzureIoTClient	17:7ef88cde801f	1641
Azure.IoT Build	19:d4f9e872bf3e	1642	STRING_HANDLE fullAbandonRelativePath = STRING_clone(deviceData->abandonHTTPrelativePathBegin);
Azure.IoT Build	19:d4f9e872bf3e	1643	if (fullAbandonRelativePath == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1644	{
Azure.IoT Build	19:d4f9e872bf3e	1645	/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	1646	/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	1647	/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	1648	LogError("unable to STRING_clone");
Azure.IoT Build	19:d4f9e872bf3e	1649	}
Azure.IoT Build	19:d4f9e872bf3e	1650	else
Azure.IoT Build	19:d4f9e872bf3e	1651	{
Azure.IoT Build	19:d4f9e872bf3e	1652	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	1653	if (ETagUnquoted == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1654	{
Azure.IoT Build	19:d4f9e872bf3e	1655	/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	1656	/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	1657	/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	1658	LogError("unable to STRING_construct_n");
Azure.IoT Build	19:d4f9e872bf3e	1659	}
Azure.IoT Build	19:d4f9e872bf3e	1660	else
Azure.IoT Build	19:d4f9e872bf3e	1661	{
Azure.IoT Build	19:d4f9e872bf3e	1662	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1663	(STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
Azure.IoT Build	19:d4f9e872bf3e	1664	(STRING_concat(fullAbandonRelativePath, (action == ABANDON) ? "/abandon" API_VERSION : ((action == REJECT) ? API_VERSION "&reject" : API_VERSION)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1665	))
Azure.IoT Build	19:d4f9e872bf3e	1666	{
Azure.IoT Build	19:d4f9e872bf3e	1667	/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	1668	/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	1669	/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	1670	LogError("unable to STRING_concat");
Azure.IoT Build	19:d4f9e872bf3e	1671	}
Azure.IoT Build	19:d4f9e872bf3e	1672	else
Azure.IoT Build	19:d4f9e872bf3e	1673	{
Azure.IoT Build	19:d4f9e872bf3e	1674	HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1675	if (abandonRequestHttpHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1676	{
Azure.IoT Build	19:d4f9e872bf3e	1677	/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	1678	/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	1679	/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	1680	LogError("unable to HTTPHeaders_Alloc");
Azure.IoT Build	19:d4f9e872bf3e	1681	}
Azure.IoT Build	19:d4f9e872bf3e	1682	else
Azure.IoT Build	19:d4f9e872bf3e	1683	{
Azure.IoT Build	19:d4f9e872bf3e	1684	if (!(
Azure.IoT Build	19:d4f9e872bf3e	1685	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION) == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1686	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", " ") == HTTP_HEADERS_OK) &&
Azure.IoT Build	19:d4f9e872bf3e	1687	(HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1688	))
Azure.IoT Build	19:d4f9e872bf3e	1689	{
Azure.IoT Build	19:d4f9e872bf3e	1690	/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	1691	/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	1692	/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	1693	LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
Azure.IoT Build	19:d4f9e872bf3e	1694	}
Azure.IoT Build	19:d4f9e872bf3e	1695	else
Azure.IoT Build	19:d4f9e872bf3e	1696	{
AzureIoTClient	20:b652f2e4cccf	1697	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1698	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1699	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1700	{
Azure.IoT Build	19:d4f9e872bf3e	1701	/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	1702	if (HTTPHeaders_ReplaceHeaderNameValuePair(abandonRequestHttpHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1703	{
Azure.IoT Build	19:d4f9e872bf3e	1704	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1705	/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	1706	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1707	}
Azure.IoT Build	19:d4f9e872bf3e	1708	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1709	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1710	(action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
Azure.IoT Build	19:d4f9e872bf3e	1711	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03" /
Azure.IoT Build	19:d4f9e872bf3e	1712	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1713	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1714	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1715	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1716	NULL /- responseContent: NULL] /
Azure.IoT Build	19:d4f9e872bf3e	1717	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1718	{
Azure.IoT Build	19:d4f9e872bf3e	1719	/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	1720	/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	1721	/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	1722	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1723	}
Azure.IoT Build	19:d4f9e872bf3e	1724	}
Azure.IoT Build	19:d4f9e872bf3e	1725	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1726	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1727	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1728	(action == ABANDON) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /-requestType: POST /
Azure.IoT Build	19:d4f9e872bf3e	1729	STRING_c_str(fullAbandonRelativePath), /-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-02-03" /
Azure.IoT Build	19:d4f9e872bf3e	1730	abandonRequestHttpHeaders, /- requestHttpHeadersHandle: an HTTP headers instance containing the following /
Azure.IoT Build	19:d4f9e872bf3e	1731	NULL, /- requestContent: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1732	&statusCode, /- statusCode: a pointer to unsigned int which might be examined for logging /
Azure.IoT Build	19:d4f9e872bf3e	1733	NULL, /- responseHeadearsHandle: NULL /
Azure.IoT Build	19:d4f9e872bf3e	1734	NULL /- responseContent: NULL] /
Azure.IoT Build	19:d4f9e872bf3e	1735	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1736	{
Azure.IoT Build	19:d4f9e872bf3e	1737	/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	1738	/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	1739	/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	1740	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1741	}
Azure.IoT Build	19:d4f9e872bf3e	1742	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1743	{
Azure.IoT Build	19:d4f9e872bf3e	1744	if (statusCode != 204)
Azure.IoT Build	19:d4f9e872bf3e	1745	{
Azure.IoT Build	19:d4f9e872bf3e	1746	/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	1747	/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	1748	/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	1749	LogError("unexpected status code returned %u (was expecting 204)", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1750	}
Azure.IoT Build	19:d4f9e872bf3e	1751	else
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	/all is fine/
Azure.IoT Build	19:d4f9e872bf3e	1757	}
Azure.IoT Build	19:d4f9e872bf3e	1758	}
Azure.IoT Build	19:d4f9e872bf3e	1759	}
Azure.IoT Build	19:d4f9e872bf3e	1760	HTTPHeaders_Free(abandonRequestHttpHeaders);
Azure.IoT Build	19:d4f9e872bf3e	1761	}
Azure.IoT Build	19:d4f9e872bf3e	1762	}
Azure.IoT Build	19:d4f9e872bf3e	1763	STRING_delete(ETagUnquoted);
Azure.IoT Build	19:d4f9e872bf3e	1764	}
Azure.IoT Build	19:d4f9e872bf3e	1765	STRING_delete(fullAbandonRelativePath);
Azure.IoT Build	19:d4f9e872bf3e	1766	}
AzureIoTClient	6:73793bae15ba	1767	}
AzureIoTClient	6:73793bae15ba	1768
Azure.IoT Build	13:848d52f93daf	1769	static void DoMessages(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	1770	{
Azure.IoT Build	19:d4f9e872bf3e	1771	/Codes_SRS_TRANSPORTMULTITHTTP_17_083: [ If device is not subscribed then _DoWork shall advance to the next action. ] /
Azure.IoT Build	19:d4f9e872bf3e	1772	if (deviceData->DoWork_PullMessage)
Azure.IoT Build	19:d4f9e872bf3e	1773	{
Azure.IoT Build	19:d4f9e872bf3e	1774	/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	1775	/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	1776	/Codes_SRS_TRANSPORTMULTITHTTP_17_122: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] /
Azure.IoT Build	19:d4f9e872bf3e	1777	time_t timeNow = get_time(NULL);
Azure.IoT Build	19:d4f9e872bf3e	1778	bool isPollingAllowed = deviceData->isFirstPoll \|\| (timeNow == (time_t)(-1)) \|\| (get_difftime(timeNow, deviceData->lastPollTime) > handleData->getMinimumPollingTime);
Azure.IoT Build	19:d4f9e872bf3e	1779	if (isPollingAllowed)
Azure.IoT Build	19:d4f9e872bf3e	1780	{
Azure.IoT Build	19:d4f9e872bf3e	1781	HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
Azure.IoT Build	19:d4f9e872bf3e	1782	if (responseHTTPHeaders == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1783	{
Azure.IoT Build	19:d4f9e872bf3e	1784	/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	1785	LogError("unable to HTTPHeaders_Alloc");
Azure.IoT Build	19:d4f9e872bf3e	1786	}
Azure.IoT Build	19:d4f9e872bf3e	1787	else
Azure.IoT Build	19:d4f9e872bf3e	1788	{
Azure.IoT Build	19:d4f9e872bf3e	1789	BUFFER_HANDLE responseContent = BUFFER_new();
Azure.IoT Build	19:d4f9e872bf3e	1790	if (responseContent == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1791	{
Azure.IoT Build	19:d4f9e872bf3e	1792	/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	1793	LogError("unable to BUFFER_new");
Azure.IoT Build	19:d4f9e872bf3e	1794	}
Azure.IoT Build	19:d4f9e872bf3e	1795	else
Azure.IoT Build	19:d4f9e872bf3e	1796	{
AzureIoTClient	20:b652f2e4cccf	1797	unsigned int statusCode = 0;
Azure.IoT Build	19:d4f9e872bf3e	1798	HTTPAPIEX_RESULT r;
Azure.IoT Build	19:d4f9e872bf3e	1799	if (deviceData->deviceSasToken != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1800	{
Azure.IoT Build	19:d4f9e872bf3e	1801	/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	1802	if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->messageHTTPrequestHeaders, "Authorization", STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1803	{
Azure.IoT Build	19:d4f9e872bf3e	1804	r = HTTPAPIEX_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	1805	/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	1806	LogError("Unable to replace the old SAS Token.");
Azure.IoT Build	19:d4f9e872bf3e	1807	}
Azure.IoT Build	19:d4f9e872bf3e	1808	else if ((r = HTTPAPIEX_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1809	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1810	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	1811	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	1812	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	1813	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	1814	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	1815	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	1816	responseContent /responseContent: a new instance of buffer/
Azure.IoT Build	19:d4f9e872bf3e	1817	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1818	{
Azure.IoT Build	19:d4f9e872bf3e	1819	/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	1820	LogError("Unable to HTTPAPIEX_ExecuteRequest.");
Azure.IoT Build	19:d4f9e872bf3e	1821	}
Azure.IoT Build	19:d4f9e872bf3e	1822	}
AzureIoTClient	17:7ef88cde801f	1823
Azure.IoT Build	19:d4f9e872bf3e	1824	/*Codes_SRS_TRANSPORTMULTITHTTP_17_084: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
Azure.IoT Build	19:d4f9e872bf3e	1825	requestType: GET
Azure.IoT Build	19:d4f9e872bf3e	1826	relativePath: the message HTTP relative path
Azure.IoT Build	19:d4f9e872bf3e	1827	requestHttpHeadersHandle: message HTTP request headers created by _Create
Azure.IoT Build	19:d4f9e872bf3e	1828	requestContent: NULL
Azure.IoT Build	19:d4f9e872bf3e	1829	statusCode: a pointer to unsigned int which shall be later examined
Azure.IoT Build	19:d4f9e872bf3e	1830	responseHeadearsHandle: a new instance of HTTP headers
Azure.IoT Build	19:d4f9e872bf3e	1831	responseContent: a new instance of buffer]
Azure.IoT Build	19:d4f9e872bf3e	1832	*/
Azure.IoT Build	19:d4f9e872bf3e	1833	else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
Azure.IoT Build	19:d4f9e872bf3e	1834	deviceData->sasObject,
Azure.IoT Build	19:d4f9e872bf3e	1835	handleData->httpApiExHandle,
Azure.IoT Build	19:d4f9e872bf3e	1836	HTTPAPI_REQUEST_GET, /requestType: GET/
Azure.IoT Build	19:d4f9e872bf3e	1837	STRING_c_str(deviceData->messageHTTPrelativePath), /relativePath: the message HTTP relative path/
Azure.IoT Build	19:d4f9e872bf3e	1838	deviceData->messageHTTPrequestHeaders, /requestHttpHeadersHandle: message HTTP request headers created by _Create/
Azure.IoT Build	19:d4f9e872bf3e	1839	NULL, /requestContent: NULL/
Azure.IoT Build	19:d4f9e872bf3e	1840	&statusCode, /statusCode: a pointer to unsigned int which shall be later examined/
Azure.IoT Build	19:d4f9e872bf3e	1841	responseHTTPHeaders, /responseHeadearsHandle: a new instance of HTTP headers/
Azure.IoT Build	19:d4f9e872bf3e	1842	responseContent /responseContent: a new instance of buffer/
Azure.IoT Build	19:d4f9e872bf3e	1843	)) != HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1844	{
Azure.IoT Build	19:d4f9e872bf3e	1845	/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	1846	LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
Azure.IoT Build	19:d4f9e872bf3e	1847	}
Azure.IoT Build	19:d4f9e872bf3e	1848	if (r == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	1849	{
Azure.IoT Build	19:d4f9e872bf3e	1850	/HTTP dialogue was succesfull/
Azure.IoT Build	19:d4f9e872bf3e	1851	if (timeNow == (time_t)(-1))
Azure.IoT Build	19:d4f9e872bf3e	1852	{
Azure.IoT Build	19:d4f9e872bf3e	1853	deviceData->isFirstPoll = true;
Azure.IoT Build	19:d4f9e872bf3e	1854	}
Azure.IoT Build	19:d4f9e872bf3e	1855	else
Azure.IoT Build	19:d4f9e872bf3e	1856	{
Azure.IoT Build	19:d4f9e872bf3e	1857	deviceData->isFirstPoll = false;
Azure.IoT Build	19:d4f9e872bf3e	1858	deviceData->lastPollTime = timeNow;
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_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	1863	/this is an expected status code, means "no commands", but logging that creates panic/
AzureIoTClient	6:73793bae15ba	1864
Azure.IoT Build	19:d4f9e872bf3e	1865	/do nothing, advance to next action/
Azure.IoT Build	19:d4f9e872bf3e	1866	}
Azure.IoT Build	19:d4f9e872bf3e	1867	else if (statusCode != 200)
Azure.IoT Build	19:d4f9e872bf3e	1868	{
Azure.IoT Build	19:d4f9e872bf3e	1869	/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	1870	LogError("expected status code was 200, but actually was received %u... moving on", statusCode);
Azure.IoT Build	19:d4f9e872bf3e	1871	}
Azure.IoT Build	19:d4f9e872bf3e	1872	else
Azure.IoT Build	19:d4f9e872bf3e	1873	{
Azure.IoT Build	19:d4f9e872bf3e	1874	/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	1875	const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
Azure.IoT Build	19:d4f9e872bf3e	1876	if (etagValue == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1877	{
Azure.IoT Build	19:d4f9e872bf3e	1878	LogError("unable to find a received header called \"E-Tag\"");
Azure.IoT Build	19:d4f9e872bf3e	1879	}
Azure.IoT Build	19:d4f9e872bf3e	1880	else
Azure.IoT Build	19:d4f9e872bf3e	1881	{
Azure.IoT Build	19:d4f9e872bf3e	1882	/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	1883	size_t etagsize = strlen(etagValue);
Azure.IoT Build	19:d4f9e872bf3e	1884	if (
Azure.IoT Build	19:d4f9e872bf3e	1885	(etagsize < 2) \|\|
Azure.IoT Build	19:d4f9e872bf3e	1886	(etagValue[0] != '"') \|\|
Azure.IoT Build	19:d4f9e872bf3e	1887	(etagValue[etagsize - 1] != '"')
Azure.IoT Build	19:d4f9e872bf3e	1888	)
Azure.IoT Build	19:d4f9e872bf3e	1889	{
Azure.IoT Build	19:d4f9e872bf3e	1890	LogError("ETag is not a valid quoted string");
Azure.IoT Build	19:d4f9e872bf3e	1891	}
Azure.IoT Build	19:d4f9e872bf3e	1892	else
Azure.IoT Build	19:d4f9e872bf3e	1893	{
Azure.IoT Build	19:d4f9e872bf3e	1894	/Codes_SRS_TRANSPORTMULTITHTTP_17_089: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] /
Azure.IoT Build	19:d4f9e872bf3e	1895	IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(BUFFER_u_char(responseContent), BUFFER_length(responseContent));
Azure.IoT Build	19:d4f9e872bf3e	1896	if (receivedMessage == NULL)
Azure.IoT Build	19:d4f9e872bf3e	1897	{
Azure.IoT Build	19:d4f9e872bf3e	1898	/Codes_SRS_TRANSPORTMULTITHTTP_17_092: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	1899	LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... ");
Azure.IoT Build	19:d4f9e872bf3e	1900	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1901	}
Azure.IoT Build	19:d4f9e872bf3e	1902	else
Azure.IoT Build	19:d4f9e872bf3e	1903	{
Azure.IoT Build	19:d4f9e872bf3e	1904	/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	1905	/Codes_SRS_TRANSPORTMULTITHTTP_17_091: [The HTTP header of iothub-messageid shall be set in the MessageId.]/
Azure.IoT Build	19:d4f9e872bf3e	1906	size_t nHeaders;
Azure.IoT Build	19:d4f9e872bf3e	1907	if (HTTPHeaders_GetHeaderCount(responseHTTPHeaders, &nHeaders) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1908	{
Azure.IoT Build	19:d4f9e872bf3e	1909	LogError("unable to get the count of HTTP headers");
Azure.IoT Build	19:d4f9e872bf3e	1910	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1911	}
Azure.IoT Build	19:d4f9e872bf3e	1912	else
Azure.IoT Build	19:d4f9e872bf3e	1913	{
Azure.IoT Build	19:d4f9e872bf3e	1914	size_t i;
Azure.IoT Build	19:d4f9e872bf3e	1915	MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(receivedMessage) : NULL;
Azure.IoT Build	19:d4f9e872bf3e	1916	for (i = 0; i < nHeaders; i++)
Azure.IoT Build	19:d4f9e872bf3e	1917	{
Azure.IoT Build	19:d4f9e872bf3e	1918	char* completeHeader;
Azure.IoT Build	19:d4f9e872bf3e	1919	if (HTTPHeaders_GetHeader(responseHTTPHeaders, i, &completeHeader) != HTTP_HEADERS_OK)
Azure.IoT Build	19:d4f9e872bf3e	1920	{
Azure.IoT Build	19:d4f9e872bf3e	1921	break;
Azure.IoT Build	19:d4f9e872bf3e	1922	}
Azure.IoT Build	19:d4f9e872bf3e	1923	else
Azure.IoT Build	19:d4f9e872bf3e	1924	{
Azure.IoT Build	19:d4f9e872bf3e	1925	if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1926	{
Azure.IoT Build	19:d4f9e872bf3e	1927	/looks like a property headers/
Azure.IoT Build	19:d4f9e872bf3e	1928	/there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module/
Azure.IoT Build	19:d4f9e872bf3e	1929	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	1930	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1931	{
Azure.IoT Build	19:d4f9e872bf3e	1932	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	1933	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	1934	{
Azure.IoT Build	19:d4f9e872bf3e	1935	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1936	break;
Azure.IoT Build	19:d4f9e872bf3e	1937	}
Azure.IoT Build	19:d4f9e872bf3e	1938	}
Azure.IoT Build	19:d4f9e872bf3e	1939	}
Azure.IoT Build	19:d4f9e872bf3e	1940	else if (strncmp(IOTHUB_MESSAGE_ID, completeHeader, strlen(IOTHUB_MESSAGE_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1941	{
Azure.IoT Build	19:d4f9e872bf3e	1942	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	1943	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1944	{
Azure.IoT Build	19:d4f9e872bf3e	1945	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	1946	if (IoTHubMessage_SetMessageId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1947	{
Azure.IoT Build	19:d4f9e872bf3e	1948	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1949	break;
Azure.IoT Build	19:d4f9e872bf3e	1950	}
Azure.IoT Build	19:d4f9e872bf3e	1951	}
Azure.IoT Build	19:d4f9e872bf3e	1952	}
Azure.IoT Build	19:d4f9e872bf3e	1953	else if (strncmp(IOTHUB_CORRELATION_ID, completeHeader, strlen(IOTHUB_CORRELATION_ID)) == 0)
Azure.IoT Build	19:d4f9e872bf3e	1954	{
Azure.IoT Build	19:d4f9e872bf3e	1955	char* whereIsColon = strchr(completeHeader, ':');
Azure.IoT Build	19:d4f9e872bf3e	1956	if (whereIsColon != NULL)
Azure.IoT Build	19:d4f9e872bf3e	1957	{
Azure.IoT Build	19:d4f9e872bf3e	1958	whereIsColon = '\0'; /cut it down*/
Azure.IoT Build	19:d4f9e872bf3e	1959	if (IoTHubMessage_SetCorrelationId(receivedMessage, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
Azure.IoT Build	19:d4f9e872bf3e	1960	{
Azure.IoT Build	19:d4f9e872bf3e	1961	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1962	break;
Azure.IoT Build	19:d4f9e872bf3e	1963	}
Azure.IoT Build	19:d4f9e872bf3e	1964	}
Azure.IoT Build	19:d4f9e872bf3e	1965	}
Azure.IoT Build	19:d4f9e872bf3e	1966	free(completeHeader);
Azure.IoT Build	19:d4f9e872bf3e	1967	}
Azure.IoT Build	19:d4f9e872bf3e	1968	}
AzureIoTClient	6:73793bae15ba	1969
Azure.IoT Build	19:d4f9e872bf3e	1970	if (i < nHeaders)
Azure.IoT Build	19:d4f9e872bf3e	1971	{
Azure.IoT Build	19:d4f9e872bf3e	1972	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1973	}
Azure.IoT Build	19:d4f9e872bf3e	1974	else
Azure.IoT Build	19:d4f9e872bf3e	1975	{
Azure.IoT Build	19:d4f9e872bf3e	1976	/Codes_SRS_TRANSPORTMULTITHTTP_17_093: [Otherwise, _DoWork shall call IoTHubClient_LL_MessageCallback with parameters handle = iotHubClientHandle and message = newly created message.]/
Azure.IoT Build	19:d4f9e872bf3e	1977	IOTHUBMESSAGE_DISPOSITION_RESULT messageResult = IoTHubClient_LL_MessageCallback(iotHubClientHandle, receivedMessage);
Azure.IoT Build	19:d4f9e872bf3e	1978	if (messageResult == IOTHUBMESSAGE_ACCEPTED)
Azure.IoT Build	19:d4f9e872bf3e	1979	{
Azure.IoT Build	19:d4f9e872bf3e	1980	/Codes_SRS_TRANSPORTMULTITHTTP_17_094: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ACCEPTED then _DoWork shall "accept" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	1981	abandonOrAcceptMessage(handleData, deviceData, etagValue, ACCEPT);
Azure.IoT Build	19:d4f9e872bf3e	1982	}
Azure.IoT Build	19:d4f9e872bf3e	1983	else if (messageResult == IOTHUBMESSAGE_REJECTED)
Azure.IoT Build	19:d4f9e872bf3e	1984	{
Azure.IoT Build	19:d4f9e872bf3e	1985	/Codes_SRS_TRANSPORTMULTITHTTP_17_095: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_REJECTED then _DoWork shall "reject" the message.]/
Azure.IoT Build	19:d4f9e872bf3e	1986	abandonOrAcceptMessage(handleData, deviceData, etagValue, REJECT);
Azure.IoT Build	19:d4f9e872bf3e	1987	}
Azure.IoT Build	19:d4f9e872bf3e	1988	else
Azure.IoT Build	19:d4f9e872bf3e	1989	{
Azure.IoT Build	19:d4f9e872bf3e	1990	/Codes_SRS_TRANSPORTMULTITHTTP_17_096: [If IoTHubClient_LL_MessageCallback returns IOTHUBMESSAGE_ABANDONED then _DoWork shall "abandon" the message.] /
Azure.IoT Build	19:d4f9e872bf3e	1991	abandonOrAcceptMessage(handleData, deviceData, etagValue, ABANDON);
Azure.IoT Build	19:d4f9e872bf3e	1992	}
Azure.IoT Build	19:d4f9e872bf3e	1993	}
Azure.IoT Build	19:d4f9e872bf3e	1994	}
Azure.IoT Build	19:d4f9e872bf3e	1995	IoTHubMessage_Destroy(receivedMessage);
Azure.IoT Build	19:d4f9e872bf3e	1996	}
Azure.IoT Build	19:d4f9e872bf3e	1997	}
AzureIoTClient	17:7ef88cde801f	1998
Azure.IoT Build	19:d4f9e872bf3e	1999	}
Azure.IoT Build	19:d4f9e872bf3e	2000	}
Azure.IoT Build	19:d4f9e872bf3e	2001	}
Azure.IoT Build	19:d4f9e872bf3e	2002	BUFFER_delete(responseContent);
Azure.IoT Build	19:d4f9e872bf3e	2003	}
Azure.IoT Build	19:d4f9e872bf3e	2004	HTTPHeaders_Free(responseHTTPHeaders);
Azure.IoT Build	19:d4f9e872bf3e	2005	}
Azure.IoT Build	19:d4f9e872bf3e	2006	}
Azure.IoT Build	19:d4f9e872bf3e	2007	else
Azure.IoT Build	19:d4f9e872bf3e	2008	{
Azure.IoT Build	19:d4f9e872bf3e	2009	/isPollingAllowed is false... /
Azure.IoT Build	19:d4f9e872bf3e	2010	/do nothing "shall be ignored/
Azure.IoT Build	19:d4f9e872bf3e	2011	}
Azure.IoT Build	19:d4f9e872bf3e	2012	}
AzureIoTClient	6:73793bae15ba	2013	}
AzureIoTClient	6:73793bae15ba	2014
AzureIoTClient	18:ab990f6aa61f	2015	static void IoTHubTransportHttp_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
AzureIoTClient	6:73793bae15ba	2016	{
Azure.IoT Build	19:d4f9e872bf3e	2017	/Codes_SRS_TRANSPORTMULTITHTTP_17_049: [ If handle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2018	/Codes_SRS_TRANSPORTMULTITHTTP_17_140: [ If iotHubClientHandle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	13:848d52f93daf	2019
Azure.IoT Build	19:d4f9e872bf3e	2020	(void)iotHubClientHandle; // use the perDevice handle.
Azure.IoT Build	19:d4f9e872bf3e	2021	if (handle != NULL)
Azure.IoT Build	19:d4f9e872bf3e	2022	{
Azure.IoT Build	19:d4f9e872bf3e	2023	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2024	IOTHUB_DEVICE_HANDLE* listItem;
Azure.IoT Build	19:d4f9e872bf3e	2025	size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
Azure.IoT Build	19:d4f9e872bf3e	2026	/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	2027	/Codes_SRS_TRANSPORTMULTITHTTP_17_050: [ IoTHubTransportHttp_DoWork shall call loop through the device list. ] /
Azure.IoT Build	19:d4f9e872bf3e	2028	/Codes_SRS_TRANSPORTMULTITHTTP_17_051: [ IF the list is empty, then IoTHubTransportHttp_DoWork shall do nothing. ]/
Azure.IoT Build	19:d4f9e872bf3e	2029	for (size_t i = 0; i < deviceListSize; i++)
Azure.IoT Build	19:d4f9e872bf3e	2030	{
Azure.IoT Build	19:d4f9e872bf3e	2031	listItem = VECTOR_element(handleData->perDeviceList, i);
Azure.IoT Build	19:d4f9e872bf3e	2032	HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA*)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2033	DoEvent(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	19:d4f9e872bf3e	2034	DoMessages(handleData, perDeviceItem, perDeviceItem->iotHubClientHandle);
Azure.IoT Build	13:848d52f93daf	2035
Azure.IoT Build	19:d4f9e872bf3e	2036	}
Azure.IoT Build	19:d4f9e872bf3e	2037	}
Azure.IoT Build	19:d4f9e872bf3e	2038	else
Azure.IoT Build	19:d4f9e872bf3e	2039	{
Azure.IoT Build	19:d4f9e872bf3e	2040	LogError("Invalid Argument NULL call on DoWork.");
Azure.IoT Build	19:d4f9e872bf3e	2041	}
AzureIoTClient	6:73793bae15ba	2042	}
AzureIoTClient	6:73793bae15ba	2043
AzureIoTClient	18:ab990f6aa61f	2044	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient	6:73793bae15ba	2045	{
Azure.IoT Build	19:d4f9e872bf3e	2046	IOTHUB_CLIENT_RESULT result;
AzureIoTClient	6:73793bae15ba	2047
Azure.IoT Build	19:d4f9e872bf3e	2048	if (handle == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2049	{
Azure.IoT Build	19:d4f9e872bf3e	2050	/Codes_SRS_TRANSPORTMULTITHTTP_17_111: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter. ]/
Azure.IoT Build	19:d4f9e872bf3e	2051	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2052	LogError("Invalid handle to IoTHubClient HTTP transport instance.");
Azure.IoT Build	19:d4f9e872bf3e	2053	}
Azure.IoT Build	19:d4f9e872bf3e	2054	else if (iotHubClientStatus == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2055	{
Azure.IoT Build	19:d4f9e872bf3e	2056	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2057	LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.");
Azure.IoT Build	19:d4f9e872bf3e	2058	}
Azure.IoT Build	19:d4f9e872bf3e	2059	else
Azure.IoT Build	19:d4f9e872bf3e	2060	{
Azure.IoT Build	19:d4f9e872bf3e	2061	/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	2062	IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
Azure.IoT Build	19:d4f9e872bf3e	2063	if (listItem == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2064	{
Azure.IoT Build	19:d4f9e872bf3e	2065	/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	2066	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2067	LogError("Device not found in transport list.");
Azure.IoT Build	19:d4f9e872bf3e	2068	}
Azure.IoT Build	19:d4f9e872bf3e	2069	else
Azure.IoT Build	19:d4f9e872bf3e	2070	{
Azure.IoT Build	19:d4f9e872bf3e	2071	HTTPTRANSPORT_PERDEVICE_DATA* deviceData = (HTTPTRANSPORT_PERDEVICE_DATA)(listItem);
Azure.IoT Build	19:d4f9e872bf3e	2072	/* 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	2073	if (!DList_IsListEmpty(deviceData->waitingToSend))
Azure.IoT Build	19:d4f9e872bf3e	2074	{
Azure.IoT Build	19:d4f9e872bf3e	2075	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
Azure.IoT Build	19:d4f9e872bf3e	2076	}
Azure.IoT Build	19:d4f9e872bf3e	2077	/* 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	2078	else
Azure.IoT Build	19:d4f9e872bf3e	2079	{
Azure.IoT Build	19:d4f9e872bf3e	2080	*iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
Azure.IoT Build	19:d4f9e872bf3e	2081	}
Azure.IoT Build	19:d4f9e872bf3e	2082	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2083	}
Azure.IoT Build	19:d4f9e872bf3e	2084	}
AzureIoTClient	6:73793bae15ba	2085
Azure.IoT Build	19:d4f9e872bf3e	2086	return result;
AzureIoTClient	6:73793bae15ba	2087	}
AzureIoTClient	6:73793bae15ba	2088
AzureIoTClient	18:ab990f6aa61f	2089	static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient	6:73793bae15ba	2090	{
Azure.IoT Build	19:d4f9e872bf3e	2091	IOTHUB_CLIENT_RESULT result;
Azure.IoT Build	19:d4f9e872bf3e	2092	/Codes_SRS_TRANSPORTMULTITHTTP_17_114: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2093	/Codes_SRS_TRANSPORTMULTITHTTP_17_115: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2094	/Codes_SRS_TRANSPORTMULTITHTTP_17_116: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] /
Azure.IoT Build	19:d4f9e872bf3e	2095	if (
Azure.IoT Build	19:d4f9e872bf3e	2096	(handle == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2097	(option == NULL) \|\|
Azure.IoT Build	19:d4f9e872bf3e	2098	(value == NULL)
Azure.IoT Build	19:d4f9e872bf3e	2099	)
Azure.IoT Build	19:d4f9e872bf3e	2100	{
Azure.IoT Build	19:d4f9e872bf3e	2101	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2102	LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption");
Azure.IoT Build	19:d4f9e872bf3e	2103	}
Azure.IoT Build	19:d4f9e872bf3e	2104	else
Azure.IoT Build	19:d4f9e872bf3e	2105	{
Azure.IoT Build	19:d4f9e872bf3e	2106	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
Azure.IoT Build	19:d4f9e872bf3e	2107	/Codes_SRS_TRANSPORTMULTITHTTP_17_120: ["Batching"] /
Azure.IoT Build	19:d4f9e872bf3e	2108	if (strcmp("Batching", option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2109	{
Azure.IoT Build	19:d4f9e872bf3e	2110	/Codes_SRS_TRANSPORTMULTITHTTP_17_117: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] /
Azure.IoT Build	19:d4f9e872bf3e	2111	handleData->doBatchedTransfers = (bool)value;
Azure.IoT Build	19:d4f9e872bf3e	2112	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2113	}
Azure.IoT Build	19:d4f9e872bf3e	2114	/Codes_SRS_TRANSPORTMULTITHTTP_17_121: ["MinimumPollingTime"] /
Azure.IoT Build	19:d4f9e872bf3e	2115	else if (strcmp("MinimumPollingTime", option) == 0)
Azure.IoT Build	19:d4f9e872bf3e	2116	{
Azure.IoT Build	19:d4f9e872bf3e	2117	handleData->getMinimumPollingTime = (unsigned int)value;
Azure.IoT Build	19:d4f9e872bf3e	2118	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2119	}
Azure.IoT Build	19:d4f9e872bf3e	2120	else
Azure.IoT Build	19:d4f9e872bf3e	2121	{
Azure.IoT Build	19:d4f9e872bf3e	2122	/Codes_SRS_TRANSPORTMULTITHTTP_17_126: [ "TrustedCerts"] /
Azure.IoT Build	19:d4f9e872bf3e	2123	/Codes_SRS_TRANSPORTMULTITHTTP_17_127: [ NULL shall be allowed. ]/
Azure.IoT Build	19:d4f9e872bf3e	2124	/Codes_SRS_TRANSPORTMULTITHTTP_17_129: [ This option shall passed down to the lower layer by calling HTTPAPIEX_SetOption. ]/
Azure.IoT Build	19:d4f9e872bf3e	2125	/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	2126	HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
Azure.IoT Build	19:d4f9e872bf3e	2127	/Codes_SRS_TRANSPORTMULTITHTTP_17_119: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] /
Azure.IoT Build	19:d4f9e872bf3e	2128	if (HTTPAPIEX_result == HTTPAPIEX_OK)
Azure.IoT Build	19:d4f9e872bf3e	2129	{
Azure.IoT Build	19:d4f9e872bf3e	2130	result = IOTHUB_CLIENT_OK;
Azure.IoT Build	19:d4f9e872bf3e	2131	}
Azure.IoT Build	19:d4f9e872bf3e	2132	else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
Azure.IoT Build	19:d4f9e872bf3e	2133	{
Azure.IoT Build	19:d4f9e872bf3e	2134	result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build	19:d4f9e872bf3e	2135	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2136	}
Azure.IoT Build	19:d4f9e872bf3e	2137	else
Azure.IoT Build	19:d4f9e872bf3e	2138	{
Azure.IoT Build	19:d4f9e872bf3e	2139	result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build	19:d4f9e872bf3e	2140	LogError("HTTPAPIEX_SetOption failed");
Azure.IoT Build	19:d4f9e872bf3e	2141	}
Azure.IoT Build	19:d4f9e872bf3e	2142	}
Azure.IoT Build	19:d4f9e872bf3e	2143	}
Azure.IoT Build	19:d4f9e872bf3e	2144	return result;
AzureIoTClient	6:73793bae15ba	2145	}
AzureIoTClient	18:ab990f6aa61f	2146
AzureIoTClient	18:ab990f6aa61f	2147	static STRING_HANDLE IoTHubTransportHttp_GetHostname(TRANSPORT_LL_HANDLE handle)
AzureIoTClient	18:ab990f6aa61f	2148	{
AzureIoTClient	18:ab990f6aa61f	2149	STRING_HANDLE result;
AzureIoTClient	18:ab990f6aa61f	2150	/Codes_SRS_TRANSPORTMULTITHTTP_02_001: [ If handle is NULL then IoTHubTransportHttp_GetHostname shall fail and return NULL. ]/
AzureIoTClient	18:ab990f6aa61f	2151	if (handle == NULL)
AzureIoTClient	18:ab990f6aa61f	2152	{
AzureIoTClient	18:ab990f6aa61f	2153	LogError("invalid parameter handle=%p", handle);
AzureIoTClient	18:ab990f6aa61f	2154	result = NULL;
AzureIoTClient	18:ab990f6aa61f	2155	}
AzureIoTClient	18:ab990f6aa61f	2156	else
AzureIoTClient	18:ab990f6aa61f	2157	{
AzureIoTClient	18:ab990f6aa61f	2158	/Codes_SRS_TRANSPORTMULTITHTTP_02_002: [ Otherwise IoTHubTransportHttp_GetHostname shall return a non-NULL STRING_HANDLE containing the hostname. ]/
AzureIoTClient	18:ab990f6aa61f	2159	HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
AzureIoTClient	18:ab990f6aa61f	2160	result = handleData->hostName;
AzureIoTClient	18:ab990f6aa61f	2161	}
AzureIoTClient	18:ab990f6aa61f	2162	return result;
AzureIoTClient	18:ab990f6aa61f	2163	}
AzureIoTClient	18:ab990f6aa61f	2164
AzureIoTClient	18:ab990f6aa61f	2165	/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	2166	static TRANSPORT_PROVIDER thisTransportProvider =
AzureIoTClient	18:ab990f6aa61f	2167	{
AzureIoTClient	18:ab990f6aa61f	2168	IoTHubTransportHttp_GetHostname, /pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname; /
AzureIoTClient	18:ab990f6aa61f	2169	IoTHubTransportHttp_SetOption, /pfIoTHubTransport_SetOption IoTHubTransport_SetOption; /
AzureIoTClient	18:ab990f6aa61f	2170	IoTHubTransportHttp_Create, /pfIoTHubTransport_Create IoTHubTransport_Create; /
AzureIoTClient	18:ab990f6aa61f	2171	IoTHubTransportHttp_Destroy, /pfIoTHubTransport_Destroy IoTHubTransport_Destroy; /
AzureIoTClient	18:ab990f6aa61f	2172	IoTHubTransportHttp_Register, /* pfIotHubTransport_Register IoTHubTransport_Register; */
AzureIoTClient	18:ab990f6aa61f	2173	IoTHubTransportHttp_Unregister, /* pfIotHubTransport_Unregister IoTHubTransport_Unegister; */
AzureIoTClient	18:ab990f6aa61f	2174	IoTHubTransportHttp_Subscribe, /pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe; /
AzureIoTClient	18:ab990f6aa61f	2175	IoTHubTransportHttp_Unsubscribe, /pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe; /
AzureIoTClient	18:ab990f6aa61f	2176	IoTHubTransportHttp_DoWork, /pfIoTHubTransport_DoWork IoTHubTransport_DoWork; /
AzureIoTClient	18:ab990f6aa61f	2177	IoTHubTransportHttp_GetSendStatus /* pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus */
AzureIoTClient	18:ab990f6aa61f	2178	};
AzureIoTClient	18:ab990f6aa61f	2179
AzureIoTClient	18:ab990f6aa61f	2180	const TRANSPORT_PROVIDER* HTTP_Protocol(void)
AzureIoTClient	18:ab990f6aa61f	2181	{
AzureIoTClient	18:ab990f6aa61f	2182	return &thisTransportProvider;
AzureIoTClient	18:ab990f6aa61f	2183	}

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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@20:b652f2e4cccf, 2016-07-18 (annotated)

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