azure_c_shared_utility - Azure IoT common library

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Azure IoT common library

Dependents: STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more

httpapi_compact.c@19:2e0811512ceb, 2017-01-28 (annotated)

Committer:: AzureIoTClient
Date:: Sat Jan 28 09:35:22 2017 -0800
Revision:: 19:2e0811512ceb
Parent:: 18:6d8a413a4d9a
Child:: 22:10640b226104

1.1.6

Who changed what in which revision?

User	Revision	Line number	New contents of line
Azure.IoT Build	6:c55b013dfc2a	1	// Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build	6:c55b013dfc2a	2	// Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build	6:c55b013dfc2a	3
Azure.IoT Build	6:c55b013dfc2a	4	#include <stdlib.h>
Azure.IoT Build	6:c55b013dfc2a	5	#include <stdio.h>
Azure.IoT Build	6:c55b013dfc2a	6	#include <ctype.h>
AzureIoTClient	19:2e0811512ceb	7	#include <string.h>
AzureIoTClient	19:2e0811512ceb	8	#include <limits.h>
AzureIoTClient	11:77df6d7e65ae	9	#include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build	6:c55b013dfc2a	10	#include "azure_c_shared_utility/httpheaders.h"
Azure.IoT Build	6:c55b013dfc2a	11	#include "azure_c_shared_utility/crt_abstractions.h"
Azure.IoT Build	6:c55b013dfc2a	12	#include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build	6:c55b013dfc2a	13	#include "azure_c_shared_utility/xio.h"
Azure.IoT Build	6:c55b013dfc2a	14	#include "azure_c_shared_utility/platform.h"
Azure.IoT Build	6:c55b013dfc2a	15	#include "azure_c_shared_utility/tlsio.h"
Azure.IoT Build	6:c55b013dfc2a	16	#include "azure_c_shared_utility/threadapi.h"
AzureIoTClient	15:956c6d205aa7	17	#include "azure_c_shared_utility/shared_util_options.h"
Azure.IoT Build	6:c55b013dfc2a	18
AzureIoTClient	15:956c6d205aa7	19	/Codes_SRS_HTTPAPI_COMPACT_21_001: [ The httpapi_compact shall implement the methods defined by the `httpapi.h`. ]/
AzureIoTClient	11:77df6d7e65ae	20	/Codes_SRS_HTTPAPI_COMPACT_21_002: [ The httpapi_compact shall support the http requests. ]/
AzureIoTClient	11:77df6d7e65ae	21	/Codes_SRS_HTTPAPI_COMPACT_21_003: [ The httpapi_compact shall return error codes defined by HTTPAPI_RESULT. ]/
AzureIoTClient	11:77df6d7e65ae	22	#include "azure_c_shared_utility/httpapi.h"
AzureIoTClient	11:77df6d7e65ae	23
Azure.IoT Build	6:c55b013dfc2a	24	#define MAX_HOSTNAME 64
AzureIoTClient	11:77df6d7e65ae	25	#define TEMP_BUFFER_SIZE 1024
Azure.IoT Build	6:c55b013dfc2a	26
AzureIoTClient	15:956c6d205aa7	27	/Codes_SRS_HTTPAPI_COMPACT_21_077: [ The HTTPAPI_ExecuteRequest shall wait, at least, 10 seconds for the SSL open process. ]/
AzureIoTClient	15:956c6d205aa7	28	#define MAX_OPEN_RETRY 100
AzureIoTClient	15:956c6d205aa7	29	/Codes_SRS_HTTPAPI_COMPACT_21_084: [ The HTTPAPI_CloseConnection shall wait, at least, 10 seconds for the SSL close process. ]/
AzureIoTClient	15:956c6d205aa7	30	#define MAX_CLOSE_RETRY 100
AzureIoTClient	15:956c6d205aa7	31	/Codes_SRS_HTTPAPI_COMPACT_21_079: [ The HTTPAPI_ExecuteRequest shall wait, at least, 20 seconds to send a buffer using the SSL connection. ]/
AzureIoTClient	15:956c6d205aa7	32	#define MAX_SEND_RETRY 200
AzureIoTClient	15:956c6d205aa7	33	/Codes_SRS_HTTPAPI_COMPACT_21_081: [ The HTTPAPI_ExecuteRequest shall try to read the message with the response up to 20 seconds. ]/
AzureIoTClient	15:956c6d205aa7	34	#define MAX_RECEIVE_RETRY 200
AzureIoTClient	15:956c6d205aa7	35	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	36	#define RETRY_INTERVAL_IN_MICROSECONDS 100
Azure.IoT Build	6:c55b013dfc2a	37
Azure.IoT Build	6:c55b013dfc2a	38	DEFINE_ENUM_STRINGS(HTTPAPI_RESULT, HTTPAPI_RESULT_VALUES)
Azure.IoT Build	6:c55b013dfc2a	39
Azure.IoT Build	6:c55b013dfc2a	40	typedef struct HTTP_HANDLE_DATA_TAG
Azure.IoT Build	6:c55b013dfc2a	41	{
Azure.IoT Build	6:c55b013dfc2a	42	char* certificate;
AzureIoTClient	15:956c6d205aa7	43	char* x509ClientCertificate;
AzureIoTClient	15:956c6d205aa7	44	char* x509ClientPrivateKey;
Azure.IoT Build	6:c55b013dfc2a	45	XIO_HANDLE xio_handle;
Azure.IoT Build	6:c55b013dfc2a	46	size_t received_bytes_count;
Azure.IoT Build	6:c55b013dfc2a	47	unsigned char* received_bytes;
Azure.IoT Build	6:c55b013dfc2a	48	unsigned int is_io_error : 1;
Azure.IoT Build	6:c55b013dfc2a	49	unsigned int is_connected : 1;
AzureIoTClient	15:956c6d205aa7	50	unsigned int send_completed : 1;
Azure.IoT Build	6:c55b013dfc2a	51	} HTTP_HANDLE_DATA;
Azure.IoT Build	6:c55b013dfc2a	52
AzureIoTClient	7:1af47e3a19b6	53	/the following function does the same as sscanf(pos2, "%d", &sec)/
AzureIoTClient	7:1af47e3a19b6	54	/this function only exists because some of platforms do not have sscanf. /
AzureIoTClient	7:1af47e3a19b6	55	static int ParseStringToDecimal(const char src, int dst)
AzureIoTClient	7:1af47e3a19b6	56	{
AzureIoTClient	15:956c6d205aa7	57	int result;
AzureIoTClient	7:1af47e3a19b6	58	char* next;
AzureIoTClient	18:6d8a413a4d9a	59	long num = strtol(src, &next, 0);
AzureIoTClient	18:6d8a413a4d9a	60	if (src == next \|\| num < INT_MIN \|\| num > INT_MAX)
AzureIoTClient	7:1af47e3a19b6	61	{
AzureIoTClient	15:956c6d205aa7	62	result = EOF;
AzureIoTClient	7:1af47e3a19b6	63	}
AzureIoTClient	15:956c6d205aa7	64	else
AzureIoTClient	15:956c6d205aa7	65	{
AzureIoTClient	15:956c6d205aa7	66	result = 1;
AzureIoTClient	15:956c6d205aa7	67	}
AzureIoTClient	18:6d8a413a4d9a	68	if (num < INT_MIN) num = INT_MIN;
AzureIoTClient	18:6d8a413a4d9a	69	if (num > INT_MAX) num = INT_MAX;
AzureIoTClient	18:6d8a413a4d9a	70	*dst = (int)num;
AzureIoTClient	11:77df6d7e65ae	71	return result;
AzureIoTClient	7:1af47e3a19b6	72	}
AzureIoTClient	7:1af47e3a19b6	73
AzureIoTClient	7:1af47e3a19b6	74	/the following function does the same as sscanf(pos2, "%x", &sec)/
AzureIoTClient	7:1af47e3a19b6	75	/this function only exists because some of platforms do not have sscanf. This is not a full implementation; it only works with well-defined x numbers. /
AzureIoTClient	7:1af47e3a19b6	76	#define HEXA_DIGIT_VAL(c) (((c>='0') && (c<='9')) ? (c-'0') : ((c>='a') && (c<='f')) ? (c-'a'+10) : ((c>='A') && (c<='F')) ? (c-'A'+10) : -1)
AzureIoTClient	11:77df6d7e65ae	77	static int ParseStringToHexadecimal(const char src, size_t dst)
AzureIoTClient	7:1af47e3a19b6	78	{
AzureIoTClient	15:956c6d205aa7	79	int result;
AzureIoTClient	7:1af47e3a19b6	80	int digitVal;
AzureIoTClient	11:77df6d7e65ae	81	if (src == NULL)
AzureIoTClient	15:956c6d205aa7	82	{
AzureIoTClient	15:956c6d205aa7	83	result = EOF;
AzureIoTClient	15:956c6d205aa7	84	}
AzureIoTClient	15:956c6d205aa7	85	else if (HEXA_DIGIT_VAL(*src) == -1)
AzureIoTClient	15:956c6d205aa7	86	{
AzureIoTClient	15:956c6d205aa7	87	result = EOF;
AzureIoTClient	15:956c6d205aa7	88	}
AzureIoTClient	15:956c6d205aa7	89	else
AzureIoTClient	15:956c6d205aa7	90	{
AzureIoTClient	15:956c6d205aa7	91	(*dst) = 0;
AzureIoTClient	15:956c6d205aa7	92	while ((digitVal = HEXA_DIGIT_VAL(*src)) != -1)
AzureIoTClient	15:956c6d205aa7	93	{
AzureIoTClient	15:956c6d205aa7	94	(dst) = 0x10;
AzureIoTClient	15:956c6d205aa7	95	(*dst) += (size_t)digitVal;
AzureIoTClient	15:956c6d205aa7	96	src++;
AzureIoTClient	15:956c6d205aa7	97	}
AzureIoTClient	15:956c6d205aa7	98	result = 1;
AzureIoTClient	15:956c6d205aa7	99	}
AzureIoTClient	11:77df6d7e65ae	100	return result;
AzureIoTClient	7:1af47e3a19b6	101	}
AzureIoTClient	7:1af47e3a19b6	102
AzureIoTClient	7:1af47e3a19b6	103	/the following function does the same as sscanf(buf, "HTTP/%d.%d %d %[^\r\n]", &ret) */
AzureIoTClient	7:1af47e3a19b6	104	/this function only exists because some of platforms do not have sscanf. This is not a full implementation; it only works with well-defined HTTP response. /
AzureIoTClient	11:77df6d7e65ae	105	static int ParseHttpResponse(const char* src, int* dst)
AzureIoTClient	7:1af47e3a19b6	106	{
AzureIoTClient	15:956c6d205aa7	107	int result;
AzureIoTClient	15:956c6d205aa7	108	static const char HTTPPrefix[] = "HTTP/";
AzureIoTClient	11:77df6d7e65ae	109	bool fail;
AzureIoTClient	11:77df6d7e65ae	110	const char* runPrefix;
AzureIoTClient	11:77df6d7e65ae	111
AzureIoTClient	15:956c6d205aa7	112	if ((src == NULL) \|\| (dst == NULL))
AzureIoTClient	15:956c6d205aa7	113	{
AzureIoTClient	15:956c6d205aa7	114	result = EOF;
AzureIoTClient	15:956c6d205aa7	115	}
AzureIoTClient	15:956c6d205aa7	116	else
AzureIoTClient	15:956c6d205aa7	117	{
AzureIoTClient	15:956c6d205aa7	118	fail = false;
AzureIoTClient	15:956c6d205aa7	119	runPrefix = HTTPPrefix;
AzureIoTClient	11:77df6d7e65ae	120
AzureIoTClient	15:956c6d205aa7	121	while((*runPrefix) != '\0')
AzureIoTClient	15:956c6d205aa7	122	{
AzureIoTClient	15:956c6d205aa7	123	if ((runPrefix) != (src))
AzureIoTClient	15:956c6d205aa7	124	{
AzureIoTClient	15:956c6d205aa7	125	fail = true;
AzureIoTClient	15:956c6d205aa7	126	break;
AzureIoTClient	15:956c6d205aa7	127	}
AzureIoTClient	15:956c6d205aa7	128	src++;
AzureIoTClient	15:956c6d205aa7	129	runPrefix++;
AzureIoTClient	15:956c6d205aa7	130	}
AzureIoTClient	7:1af47e3a19b6	131
AzureIoTClient	15:956c6d205aa7	132	if (!fail)
AzureIoTClient	15:956c6d205aa7	133	{
AzureIoTClient	15:956c6d205aa7	134	while ((*src) != '.')
AzureIoTClient	15:956c6d205aa7	135	{
AzureIoTClient	15:956c6d205aa7	136	if ((*src) == '\0')
AzureIoTClient	15:956c6d205aa7	137	{
AzureIoTClient	15:956c6d205aa7	138	fail = true;
AzureIoTClient	11:77df6d7e65ae	139	break;
AzureIoTClient	15:956c6d205aa7	140	}
AzureIoTClient	15:956c6d205aa7	141	src++;
AzureIoTClient	15:956c6d205aa7	142	}
AzureIoTClient	15:956c6d205aa7	143	}
AzureIoTClient	7:1af47e3a19b6	144
AzureIoTClient	15:956c6d205aa7	145	if (!fail)
AzureIoTClient	15:956c6d205aa7	146	{
AzureIoTClient	15:956c6d205aa7	147	while ((*src) != ' ')
AzureIoTClient	15:956c6d205aa7	148	{
AzureIoTClient	15:956c6d205aa7	149	if ((*src) == '\0')
AzureIoTClient	15:956c6d205aa7	150	{
AzureIoTClient	15:956c6d205aa7	151	fail = true;
AzureIoTClient	11:77df6d7e65ae	152	break;
AzureIoTClient	15:956c6d205aa7	153	}
AzureIoTClient	15:956c6d205aa7	154	src++;
AzureIoTClient	15:956c6d205aa7	155	}
AzureIoTClient	15:956c6d205aa7	156	}
AzureIoTClient	7:1af47e3a19b6	157
AzureIoTClient	15:956c6d205aa7	158	if (fail)
AzureIoTClient	15:956c6d205aa7	159	{
AzureIoTClient	15:956c6d205aa7	160	result = EOF;
AzureIoTClient	15:956c6d205aa7	161	}
AzureIoTClient	15:956c6d205aa7	162	else
AzureIoTClient	15:956c6d205aa7	163	{
AzureIoTClient	15:956c6d205aa7	164	result = ParseStringToDecimal(src, dst);
AzureIoTClient	15:956c6d205aa7	165	}
AzureIoTClient	15:956c6d205aa7	166	}
AzureIoTClient	11:77df6d7e65ae	167
AzureIoTClient	11:77df6d7e65ae	168	return result;
AzureIoTClient	7:1af47e3a19b6	169	}
AzureIoTClient	7:1af47e3a19b6	170
Azure.IoT Build	6:c55b013dfc2a	171	HTTPAPI_RESULT HTTPAPI_Init(void)
Azure.IoT Build	6:c55b013dfc2a	172	{
AzureIoTClient	15:956c6d205aa7	173	/Codes_SRS_HTTPAPI_COMPACT_21_004: [ The HTTPAPI_Init shall allocate all memory to control the http protocol. ]/
AzureIoTClient	15:956c6d205aa7	174	/Codes_SRS_HTTPAPI_COMPACT_21_007: [ If there is not enough memory to control the http protocol, the HTTPAPI_Init shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	175	/**
AzureIoTClient	15:956c6d205aa7	176	* No memory is necessary.
AzureIoTClient	15:956c6d205aa7	177	*/
AzureIoTClient	11:77df6d7e65ae	178
AzureIoTClient	15:956c6d205aa7	179	/Codes_SRS_HTTPAPI_COMPACT_21_006: [ If HTTPAPI_Init succeed allocating all the needed memory, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	180	return HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	181	}
Azure.IoT Build	6:c55b013dfc2a	182
Azure.IoT Build	6:c55b013dfc2a	183	void HTTPAPI_Deinit(void)
Azure.IoT Build	6:c55b013dfc2a	184	{
AzureIoTClient	15:956c6d205aa7	185	/Codes_SRS_HTTPAPI_COMPACT_21_009: [ The HTTPAPI_Init shall release all memory allocated by the httpapi_compact. ]/
AzureIoTClient	15:956c6d205aa7	186	/**
AzureIoTClient	15:956c6d205aa7	187	* No memory was necessary.
AzureIoTClient	15:956c6d205aa7	188	*/
Azure.IoT Build	6:c55b013dfc2a	189	}
Azure.IoT Build	6:c55b013dfc2a	190
AzureIoTClient	11:77df6d7e65ae	191	/Codes_SRS_HTTPAPI_COMPACT_21_011: [ The HTTPAPI_CreateConnection shall create an http connection to the host specified by the hostName parameter. ]/
Azure.IoT Build	6:c55b013dfc2a	192	HTTP_HANDLE HTTPAPI_CreateConnection(const char* hostName)
Azure.IoT Build	6:c55b013dfc2a	193	{
AzureIoTClient	13:920e00014ee3	194	HTTP_HANDLE_DATA* http_instance;
AzureIoTClient	11:77df6d7e65ae	195	TLSIO_CONFIG tlsio_config;
Azure.IoT Build	6:c55b013dfc2a	196
AzureIoTClient	15:956c6d205aa7	197	if (hostName == NULL)
AzureIoTClient	15:956c6d205aa7	198	{
AzureIoTClient	15:956c6d205aa7	199	/Codes_SRS_HTTPAPI_COMPACT_21_014: [ If the hostName is NULL, the HTTPAPI_CreateConnection shall return NULL as the handle. ]/
AzureIoTClient	15:956c6d205aa7	200	LogError("Invalid host name. Null hostName parameter.");
AzureIoTClient	15:956c6d205aa7	201	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	202	}
AzureIoTClient	15:956c6d205aa7	203	else if (*hostName == '\0')
AzureIoTClient	15:956c6d205aa7	204	{
AzureIoTClient	15:956c6d205aa7	205	/Codes_SRS_HTTPAPI_COMPACT_21_015: [ If the hostName is empty, the HTTPAPI_CreateConnection shall return NULL as the handle. ]/
AzureIoTClient	15:956c6d205aa7	206	LogError("Invalid host name. Empty string.");
AzureIoTClient	15:956c6d205aa7	207	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	208	}
AzureIoTClient	15:956c6d205aa7	209	else
AzureIoTClient	15:956c6d205aa7	210	{
AzureIoTClient	15:956c6d205aa7	211	http_instance = (HTTP_HANDLE_DATA*)malloc(sizeof(HTTP_HANDLE_DATA));
AzureIoTClient	15:956c6d205aa7	212	/Codes_SRS_HTTPAPI_COMPACT_21_013: [ If there is not enough memory to control the http connection, the HTTPAPI_CreateConnection shall return NULL as the handle. ]/
AzureIoTClient	15:956c6d205aa7	213	if (http_instance == NULL)
AzureIoTClient	15:956c6d205aa7	214	{
AzureIoTClient	15:956c6d205aa7	215	LogError("There is no memory to control the http connection");
AzureIoTClient	15:956c6d205aa7	216	}
AzureIoTClient	15:956c6d205aa7	217	else
AzureIoTClient	15:956c6d205aa7	218	{
AzureIoTClient	15:956c6d205aa7	219	tlsio_config.hostname = hostName;
AzureIoTClient	15:956c6d205aa7	220	tlsio_config.port = 443;
AzureIoTClient	15:956c6d205aa7	221
AzureIoTClient	15:956c6d205aa7	222	http_instance->xio_handle = xio_create(platform_get_default_tlsio(), (void*)&tlsio_config);
Azure.IoT Build	6:c55b013dfc2a	223
AzureIoTClient	15:956c6d205aa7	224	/Codes_SRS_HTTPAPI_COMPACT_21_016: [ If the HTTPAPI_CreateConnection failed to create the connection, it shall return NULL as the handle. ]/
AzureIoTClient	15:956c6d205aa7	225	if (http_instance->xio_handle == NULL)
AzureIoTClient	15:956c6d205aa7	226	{
AzureIoTClient	15:956c6d205aa7	227	LogError("Create connection failed");
AzureIoTClient	15:956c6d205aa7	228	free(http_instance);
AzureIoTClient	15:956c6d205aa7	229	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	230	}
AzureIoTClient	15:956c6d205aa7	231	else
AzureIoTClient	15:956c6d205aa7	232	{
AzureIoTClient	15:956c6d205aa7	233	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	234	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	235	http_instance->received_bytes_count = 0;
AzureIoTClient	15:956c6d205aa7	236	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	237	http_instance->certificate = NULL;
AzureIoTClient	15:956c6d205aa7	238	http_instance->x509ClientCertificate = NULL;
AzureIoTClient	15:956c6d205aa7	239	http_instance->x509ClientPrivateKey = NULL;
AzureIoTClient	15:956c6d205aa7	240	}
AzureIoTClient	15:956c6d205aa7	241	}
AzureIoTClient	15:956c6d205aa7	242	}
AzureIoTClient	11:77df6d7e65ae	243
AzureIoTClient	15:956c6d205aa7	244	/Codes_SRS_HTTPAPI_COMPACT_21_012: [ The HTTPAPI_CreateConnection shall return a non-NULL handle on success. ]/
AzureIoTClient	15:956c6d205aa7	245	return (HTTP_HANDLE)http_instance;
AzureIoTClient	15:956c6d205aa7	246	}
AzureIoTClient	11:77df6d7e65ae	247
AzureIoTClient	15:956c6d205aa7	248	static void on_io_close_complete(void* context)
AzureIoTClient	15:956c6d205aa7	249	{
AzureIoTClient	15:956c6d205aa7	250	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	251
AzureIoTClient	15:956c6d205aa7	252	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	253	{
AzureIoTClient	15:956c6d205aa7	254	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	255	}
Azure.IoT Build	6:c55b013dfc2a	256	}
Azure.IoT Build	6:c55b013dfc2a	257
Azure.IoT Build	6:c55b013dfc2a	258	void HTTPAPI_CloseConnection(HTTP_HANDLE handle)
Azure.IoT Build	6:c55b013dfc2a	259	{
AzureIoTClient	13:920e00014ee3	260	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	261
AzureIoTClient	15:956c6d205aa7	262	/Codes_SRS_HTTPAPI_COMPACT_21_020: [ If the connection handle is NULL, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	263	if (http_instance != NULL)
Azure.IoT Build	6:c55b013dfc2a	264	{
AzureIoTClient	15:956c6d205aa7	265	/Codes_SRS_HTTPAPI_COMPACT_21_019: [ If there is no previous connection, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	266	if (http_instance->xio_handle != NULL)
Azure.IoT Build	6:c55b013dfc2a	267	{
AzureIoTClient	15:956c6d205aa7	268	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	269	/Codes_SRS_HTTPAPI_COMPACT_21_017: [ The HTTPAPI_CloseConnection shall close the connection previously created in HTTPAPI_ExecuteRequest. ]/
AzureIoTClient	15:956c6d205aa7	270	if (xio_close(http_instance->xio_handle, on_io_close_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	271	{
AzureIoTClient	15:956c6d205aa7	272	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	273	/Codes_SRS_HTTPAPI_COMPACT_21_087: [ If the xio return anything different than 0, the HTTPAPI_CloseConnection shall destroy the connection anyway. ]/
AzureIoTClient	15:956c6d205aa7	274	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	275	}
AzureIoTClient	15:956c6d205aa7	276	else
AzureIoTClient	15:956c6d205aa7	277	{
AzureIoTClient	15:956c6d205aa7	278	/Codes_SRS_HTTPAPI_COMPACT_21_084: [ The HTTPAPI_CloseConnection shall wait, at least, 10 seconds for the SSL close process. ]/
AzureIoTClient	15:956c6d205aa7	279	int countRetry = MAX_CLOSE_RETRY;
AzureIoTClient	15:956c6d205aa7	280	while (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	281	{
AzureIoTClient	15:956c6d205aa7	282	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	283	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	284	{
AzureIoTClient	15:956c6d205aa7	285	/Codes_SRS_HTTPAPI_COMPACT_21_085: [ If the HTTPAPI_CloseConnection retries 10 seconds to close the connection without success, it shall destroy the connection anyway. ]/
AzureIoTClient	15:956c6d205aa7	286	LogError("Close timeout. The SSL didn't close the connection");
AzureIoTClient	15:956c6d205aa7	287	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	288	}
AzureIoTClient	15:956c6d205aa7	289	else if (http_instance->is_io_error == 1)
AzureIoTClient	15:956c6d205aa7	290	{
AzureIoTClient	15:956c6d205aa7	291	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	292	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	293	}
AzureIoTClient	15:956c6d205aa7	294	else if (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	295	{
AzureIoTClient	15:956c6d205aa7	296	LogInfo("Waiting for TLS close connection");
AzureIoTClient	15:956c6d205aa7	297	/Codes_SRS_HTTPAPI_COMPACT_21_086: [ The HTTPAPI_CloseConnection shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	298	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	299	}
AzureIoTClient	15:956c6d205aa7	300	}
AzureIoTClient	15:956c6d205aa7	301	}
AzureIoTClient	15:956c6d205aa7	302	/Codes_SRS_HTTPAPI_COMPACT_21_076: [ After close the connection, The HTTPAPI_CloseConnection shall destroy the connection previously created in HTTPAPI_CreateConnection. ]/
AzureIoTClient	13:920e00014ee3	303	xio_destroy(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	304	}
Azure.IoT Build	6:c55b013dfc2a	305
AzureIoTClient	15:956c6d205aa7	306	/Codes_SRS_HTTPAPI_COMPACT_21_018: [ If there is a certificate associated to this connection, the HTTPAPI_CloseConnection shall free all allocated memory for the certificate. ]/
AzureIoTClient	15:956c6d205aa7	307	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	308	{
AzureIoTClient	13:920e00014ee3	309	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	310	}
Azure.IoT Build	6:c55b013dfc2a	311
AzureIoTClient	15:956c6d205aa7	312	/Codes_SRS_HTTPAPI_COMPACT_06_001: [ If there is a x509 client certificate associated to this connection, the HTTAPI_CloseConnection shall free all allocated memory for the certificate. ]/
AzureIoTClient	15:956c6d205aa7	313	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	314	{
AzureIoTClient	15:956c6d205aa7	315	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	316	}
AzureIoTClient	15:956c6d205aa7	317
AzureIoTClient	15:956c6d205aa7	318	/Codes_SRS_HTTPAPI_COMPACT_06_002: [ If there is a x509 client private key associated to this connection, then HTTP_CloseConnection shall free all the allocated memory for the private key. ]/
AzureIoTClient	15:956c6d205aa7	319	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	320	{
AzureIoTClient	15:956c6d205aa7	321	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	322	}
AzureIoTClient	13:920e00014ee3	323	free(http_instance);
Azure.IoT Build	6:c55b013dfc2a	324	}
Azure.IoT Build	6:c55b013dfc2a	325	}
Azure.IoT Build	6:c55b013dfc2a	326
Azure.IoT Build	6:c55b013dfc2a	327	static void on_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build	6:c55b013dfc2a	328	{
AzureIoTClient	13:920e00014ee3	329	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	330
AzureIoTClient	13:920e00014ee3	331	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	332	{
AzureIoTClient	15:956c6d205aa7	333	if (open_result == IO_OPEN_OK)
AzureIoTClient	15:956c6d205aa7	334	{
AzureIoTClient	15:956c6d205aa7	335	http_instance->is_connected = 1;
AzureIoTClient	15:956c6d205aa7	336	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	337	}
AzureIoTClient	15:956c6d205aa7	338	else
AzureIoTClient	15:956c6d205aa7	339	{
AzureIoTClient	15:956c6d205aa7	340	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	341	}
AzureIoTClient	15:956c6d205aa7	342	}
AzureIoTClient	15:956c6d205aa7	343	}
AzureIoTClient	15:956c6d205aa7	344
AzureIoTClient	15:956c6d205aa7	345	static void on_send_complete(void* context, IO_SEND_RESULT send_result)
AzureIoTClient	15:956c6d205aa7	346	{
AzureIoTClient	15:956c6d205aa7	347	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	348
AzureIoTClient	15:956c6d205aa7	349	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	350	{
AzureIoTClient	15:956c6d205aa7	351	if (send_result == IO_SEND_OK)
AzureIoTClient	15:956c6d205aa7	352	{
AzureIoTClient	15:956c6d205aa7	353	http_instance->send_completed = 1;
AzureIoTClient	15:956c6d205aa7	354	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	355	}
AzureIoTClient	15:956c6d205aa7	356	else
AzureIoTClient	15:956c6d205aa7	357	{
AzureIoTClient	15:956c6d205aa7	358	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	359	}
AzureIoTClient	15:956c6d205aa7	360	}
Azure.IoT Build	6:c55b013dfc2a	361	}
Azure.IoT Build	6:c55b013dfc2a	362
AzureIoTClient	11:77df6d7e65ae	363	#define TOLOWER(c) (((c>='A') && (c<='Z'))?c-'A'+'a':c)
AzureIoTClient	11:77df6d7e65ae	364	static int InternStrnicmp(const char* s1, const char* s2, size_t n)
Azure.IoT Build	6:c55b013dfc2a	365	{
AzureIoTClient	11:77df6d7e65ae	366	int result;
Azure.IoT Build	6:c55b013dfc2a	367
AzureIoTClient	18:6d8a413a4d9a	368	if (s1 == NULL) result = -1;
AzureIoTClient	18:6d8a413a4d9a	369	else if (s2 == NULL) result = 1;
AzureIoTClient	15:956c6d205aa7	370	else
AzureIoTClient	15:956c6d205aa7	371	{
AzureIoTClient	15:956c6d205aa7	372	result = 0;
AzureIoTClient	18:6d8a413a4d9a	373
AzureIoTClient	18:6d8a413a4d9a	374	while(n-- && result == 0)
AzureIoTClient	15:956c6d205aa7	375	{
AzureIoTClient	18:6d8a413a4d9a	376	if (*s1 == 0) result = -1;
AzureIoTClient	18:6d8a413a4d9a	377	else if (*s2 == 0) result = 1;
AzureIoTClient	18:6d8a413a4d9a	378	else
AzureIoTClient	18:6d8a413a4d9a	379	{
Azure.IoT Build	6:c55b013dfc2a	380
AzureIoTClient	18:6d8a413a4d9a	381	result = TOLOWER(s1) - TOLOWER(s2);
AzureIoTClient	18:6d8a413a4d9a	382	++s1;
AzureIoTClient	18:6d8a413a4d9a	383	++s2;
AzureIoTClient	18:6d8a413a4d9a	384	}
Azure.IoT Build	6:c55b013dfc2a	385	}
AzureIoTClient	15:956c6d205aa7	386	}
Azure.IoT Build	6:c55b013dfc2a	387
Azure.IoT Build	6:c55b013dfc2a	388	return result;
Azure.IoT Build	6:c55b013dfc2a	389	}
Azure.IoT Build	6:c55b013dfc2a	390
Azure.IoT Build	6:c55b013dfc2a	391	static void on_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build	6:c55b013dfc2a	392	{
AzureIoTClient	11:77df6d7e65ae	393	unsigned char* new_received_bytes;
AzureIoTClient	13:920e00014ee3	394	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	11:77df6d7e65ae	395
AzureIoTClient	13:920e00014ee3	396	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	397	{
Azure.IoT Build	6:c55b013dfc2a	398
AzureIoTClient	11:77df6d7e65ae	399	if (buffer == NULL)
AzureIoTClient	11:77df6d7e65ae	400	{
AzureIoTClient	13:920e00014ee3	401	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	402	LogError("NULL pointer error");
AzureIoTClient	11:77df6d7e65ae	403	}
AzureIoTClient	11:77df6d7e65ae	404	else
AzureIoTClient	11:77df6d7e65ae	405	{
AzureIoTClient	11:77df6d7e65ae	406	/* Here we got some bytes so we'll buffer them so the receive functions can consumer it */
AzureIoTClient	13:920e00014ee3	407	new_received_bytes = (unsigned char*)realloc(http_instance->received_bytes, http_instance->received_bytes_count + size);
AzureIoTClient	11:77df6d7e65ae	408	if (new_received_bytes == NULL)
AzureIoTClient	11:77df6d7e65ae	409	{
AzureIoTClient	13:920e00014ee3	410	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	411	LogError("Error allocating memory for received data");
AzureIoTClient	11:77df6d7e65ae	412	}
AzureIoTClient	11:77df6d7e65ae	413	else
AzureIoTClient	11:77df6d7e65ae	414	{
AzureIoTClient	13:920e00014ee3	415	http_instance->received_bytes = new_received_bytes;
AzureIoTClient	13:920e00014ee3	416	if (memcpy(http_instance->received_bytes + http_instance->received_bytes_count, buffer, size) == NULL)
AzureIoTClient	11:77df6d7e65ae	417	{
AzureIoTClient	13:920e00014ee3	418	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	419	LogError("Error copping received data to the HTTP bufffer");
AzureIoTClient	11:77df6d7e65ae	420	}
AzureIoTClient	11:77df6d7e65ae	421	else
AzureIoTClient	11:77df6d7e65ae	422	{
AzureIoTClient	13:920e00014ee3	423	http_instance->received_bytes_count += size;
AzureIoTClient	11:77df6d7e65ae	424	}
AzureIoTClient	11:77df6d7e65ae	425	}
AzureIoTClient	11:77df6d7e65ae	426	}
AzureIoTClient	15:956c6d205aa7	427	}
Azure.IoT Build	6:c55b013dfc2a	428	}
Azure.IoT Build	6:c55b013dfc2a	429
Azure.IoT Build	6:c55b013dfc2a	430	static void on_io_error(void* context)
Azure.IoT Build	6:c55b013dfc2a	431	{
AzureIoTClient	13:920e00014ee3	432	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	13:920e00014ee3	433	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	434	{
AzureIoTClient	13:920e00014ee3	435	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	436	LogError("Error signalled by underlying IO");
AzureIoTClient	13:920e00014ee3	437	}
Azure.IoT Build	6:c55b013dfc2a	438	}
Azure.IoT Build	6:c55b013dfc2a	439
Azure.IoT Build	6:c55b013dfc2a	440	static int conn_receive(HTTP_HANDLE_DATA* http_instance, char* buffer, int count)
Azure.IoT Build	6:c55b013dfc2a	441	{
AzureIoTClient	11:77df6d7e65ae	442	int result;
Azure.IoT Build	6:c55b013dfc2a	443
AzureIoTClient	15:956c6d205aa7	444	if ((http_instance == NULL) \|\| (buffer == NULL) \|\| (count < 0))
AzureIoTClient	15:956c6d205aa7	445	{
AzureIoTClient	11:77df6d7e65ae	446	LogError("conn_receive: %s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
Azure.IoT Build	6:c55b013dfc2a	447	result = -1;
AzureIoTClient	15:956c6d205aa7	448	}
AzureIoTClient	15:956c6d205aa7	449	else
AzureIoTClient	15:956c6d205aa7	450	{
AzureIoTClient	15:956c6d205aa7	451	result = 0;
AzureIoTClient	15:956c6d205aa7	452	while (result < count)
AzureIoTClient	15:956c6d205aa7	453	{
AzureIoTClient	15:956c6d205aa7	454	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	455
AzureIoTClient	15:956c6d205aa7	456	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	15:956c6d205aa7	457	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	458	{
AzureIoTClient	13:920e00014ee3	459	LogError("xio reported error on dowork");
Azure.IoT Build	6:c55b013dfc2a	460	result = -1;
AzureIoTClient	15:956c6d205aa7	461	break;
AzureIoTClient	15:956c6d205aa7	462	}
Azure.IoT Build	6:c55b013dfc2a	463
AzureIoTClient	15:956c6d205aa7	464	if (http_instance->received_bytes_count >= (size_t)count)
AzureIoTClient	15:956c6d205aa7	465	{
AzureIoTClient	15:956c6d205aa7	466	/* Consuming bytes from the receive buffer */
AzureIoTClient	15:956c6d205aa7	467	(void)memcpy(buffer, http_instance->received_bytes, count);
AzureIoTClient	15:956c6d205aa7	468	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + count, http_instance->received_bytes_count - count);
AzureIoTClient	15:956c6d205aa7	469	http_instance->received_bytes_count -= count;
Azure.IoT Build	6:c55b013dfc2a	470
AzureIoTClient	15:956c6d205aa7	471	/* we're not reallocating at each consumption so that we don't trash due to byte by byte consumption */
AzureIoTClient	15:956c6d205aa7	472	if (http_instance->received_bytes_count == 0)
AzureIoTClient	15:956c6d205aa7	473	{
AzureIoTClient	15:956c6d205aa7	474	free(http_instance->received_bytes);
AzureIoTClient	15:956c6d205aa7	475	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	476	}
Azure.IoT Build	6:c55b013dfc2a	477
AzureIoTClient	15:956c6d205aa7	478	result = count;
AzureIoTClient	15:956c6d205aa7	479	break;
AzureIoTClient	15:956c6d205aa7	480	}
Azure.IoT Build	6:c55b013dfc2a	481
AzureIoTClient	15:956c6d205aa7	482	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	483	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	484	}
AzureIoTClient	15:956c6d205aa7	485	}
Azure.IoT Build	6:c55b013dfc2a	486
Azure.IoT Build	6:c55b013dfc2a	487	return result;
Azure.IoT Build	6:c55b013dfc2a	488	}
Azure.IoT Build	6:c55b013dfc2a	489
AzureIoTClient	11:77df6d7e65ae	490	static void conn_receive_discard_buffer(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	491	{
AzureIoTClient	13:920e00014ee3	492	if (http_instance != NULL)
AzureIoTClient	11:77df6d7e65ae	493	{
AzureIoTClient	13:920e00014ee3	494	if (http_instance->received_bytes != NULL)
AzureIoTClient	13:920e00014ee3	495	{
AzureIoTClient	13:920e00014ee3	496	free(http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	497	http_instance->received_bytes = NULL;
AzureIoTClient	13:920e00014ee3	498	}
AzureIoTClient	13:920e00014ee3	499	http_instance->received_bytes_count = 0;
AzureIoTClient	11:77df6d7e65ae	500	}
AzureIoTClient	11:77df6d7e65ae	501	}
AzureIoTClient	11:77df6d7e65ae	502
AzureIoTClient	13:920e00014ee3	503	static int readLine(HTTP_HANDLE_DATA* http_instance, char* buf, const size_t maxBufSize)
Azure.IoT Build	6:c55b013dfc2a	504	{
AzureIoTClient	13:920e00014ee3	505	int resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	506
AzureIoTClient	18:6d8a413a4d9a	507	if ((http_instance == NULL) \|\| (buf == NULL) \|\| (maxBufSize == 0))
AzureIoTClient	13:920e00014ee3	508	{
AzureIoTClient	13:920e00014ee3	509	LogError("%s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
AzureIoTClient	13:920e00014ee3	510	resultLineSize = -1;
Azure.IoT Build	6:c55b013dfc2a	511	}
Azure.IoT Build	6:c55b013dfc2a	512	else
Azure.IoT Build	6:c55b013dfc2a	513	{
AzureIoTClient	13:920e00014ee3	514	char* destByte = buf;
AzureIoTClient	15:956c6d205aa7	515	/Codes_SRS_HTTPAPI_COMPACT_21_081: [ The HTTPAPI_ExecuteRequest shall try to read the message with the response up to 20 seconds. ]/
AzureIoTClient	13:920e00014ee3	516	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	517	bool endOfSearch = false;
AzureIoTClient	13:920e00014ee3	518	resultLineSize = -1;
AzureIoTClient	13:920e00014ee3	519	while (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	520	{
AzureIoTClient	13:920e00014ee3	521	xio_dowork(http_instance->xio_handle);
AzureIoTClient	13:920e00014ee3	522
AzureIoTClient	13:920e00014ee3	523	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	524	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	525	{
AzureIoTClient	13:920e00014ee3	526	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	527	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	528	}
AzureIoTClient	13:920e00014ee3	529	else
Azure.IoT Build	6:c55b013dfc2a	530	{
AzureIoTClient	13:920e00014ee3	531	unsigned char* receivedByte = http_instance->received_bytes;
AzureIoTClient	13:920e00014ee3	532	while (receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count))
Azure.IoT Build	6:c55b013dfc2a	533	{
AzureIoTClient	13:920e00014ee3	534	if ((*receivedByte) != '\r')
AzureIoTClient	13:920e00014ee3	535	{
AzureIoTClient	13:920e00014ee3	536	(destByte) = (receivedByte);
AzureIoTClient	13:920e00014ee3	537	destByte++;
AzureIoTClient	13:920e00014ee3	538	receivedByte++;
Azure.IoT Build	6:c55b013dfc2a	539
AzureIoTClient	13:920e00014ee3	540	if (destByte >= (buf + maxBufSize - 1))
AzureIoTClient	13:920e00014ee3	541	{
AzureIoTClient	13:920e00014ee3	542	LogError("Received message is bigger than the http buffer");
AzureIoTClient	13:920e00014ee3	543	receivedByte = http_instance->received_bytes + http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	544	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	545	break;
AzureIoTClient	13:920e00014ee3	546	}
AzureIoTClient	13:920e00014ee3	547	}
AzureIoTClient	13:920e00014ee3	548	else
AzureIoTClient	13:920e00014ee3	549	{
AzureIoTClient	13:920e00014ee3	550	receivedByte++;
AzureIoTClient	13:920e00014ee3	551	if ((receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count)) && ((*receivedByte) == '\n'))
AzureIoTClient	13:920e00014ee3	552	{
AzureIoTClient	13:920e00014ee3	553	receivedByte++;
AzureIoTClient	13:920e00014ee3	554	}
AzureIoTClient	13:920e00014ee3	555	(*destByte) = '\0';
AzureIoTClient	13:920e00014ee3	556	resultLineSize = (int)(destByte - buf);
AzureIoTClient	13:920e00014ee3	557	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	558	break;
AzureIoTClient	13:920e00014ee3	559	}
Azure.IoT Build	6:c55b013dfc2a	560	}
Azure.IoT Build	6:c55b013dfc2a	561
AzureIoTClient	13:920e00014ee3	562	http_instance->received_bytes_count -= (receivedByte - http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	563	if (http_instance->received_bytes_count != 0)
AzureIoTClient	13:920e00014ee3	564	{
AzureIoTClient	13:920e00014ee3	565	(void)memmove(http_instance->received_bytes, receivedByte, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	566	}
AzureIoTClient	13:920e00014ee3	567	else
AzureIoTClient	13:920e00014ee3	568	{
AzureIoTClient	13:920e00014ee3	569	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	570	}
Azure.IoT Build	6:c55b013dfc2a	571	}
Azure.IoT Build	6:c55b013dfc2a	572
AzureIoTClient	13:920e00014ee3	573	if (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	574	{
AzureIoTClient	13:920e00014ee3	575	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	576	{
AzureIoTClient	15:956c6d205aa7	577	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	578	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	579	}
AzureIoTClient	13:920e00014ee3	580	else
AzureIoTClient	13:920e00014ee3	581	{
AzureIoTClient	15:956c6d205aa7	582	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	583	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	584	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	585	}
Azure.IoT Build	6:c55b013dfc2a	586	}
Azure.IoT Build	6:c55b013dfc2a	587	}
Azure.IoT Build	6:c55b013dfc2a	588	}
Azure.IoT Build	6:c55b013dfc2a	589
AzureIoTClient	13:920e00014ee3	590	return resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	591	}
Azure.IoT Build	6:c55b013dfc2a	592
Azure.IoT Build	6:c55b013dfc2a	593	static int readChunk(HTTP_HANDLE_DATA* http_instance, char* buf, size_t size)
Azure.IoT Build	6:c55b013dfc2a	594	{
AzureIoTClient	11:77df6d7e65ae	595	int cur, offset;
Azure.IoT Build	6:c55b013dfc2a	596
Azure.IoT Build	6:c55b013dfc2a	597	// read content with specified length, even if it is received
Azure.IoT Build	6:c55b013dfc2a	598	// only in chunks due to fragmentation in the networking layer.
Azure.IoT Build	6:c55b013dfc2a	599	// returns -1 in case of error.
Azure.IoT Build	6:c55b013dfc2a	600	offset = 0;
AzureIoTClient	11:77df6d7e65ae	601	while (size > (size_t)0)
Azure.IoT Build	6:c55b013dfc2a	602	{
AzureIoTClient	11:77df6d7e65ae	603	cur = conn_receive(http_instance, buf + offset, (int)size);
Azure.IoT Build	6:c55b013dfc2a	604
Azure.IoT Build	6:c55b013dfc2a	605	// end of stream reached
AzureIoTClient	15:956c6d205aa7	606	if (cur == 0)
AzureIoTClient	15:956c6d205aa7	607	{
AzureIoTClient	15:956c6d205aa7	608	break;
AzureIoTClient	15:956c6d205aa7	609	}
Azure.IoT Build	6:c55b013dfc2a	610
Azure.IoT Build	6:c55b013dfc2a	611	// read cur bytes (might be less than requested)
AzureIoTClient	11:77df6d7e65ae	612	size -= (size_t)cur;
Azure.IoT Build	6:c55b013dfc2a	613	offset += cur;
Azure.IoT Build	6:c55b013dfc2a	614	}
Azure.IoT Build	6:c55b013dfc2a	615
Azure.IoT Build	6:c55b013dfc2a	616	return offset;
Azure.IoT Build	6:c55b013dfc2a	617	}
Azure.IoT Build	6:c55b013dfc2a	618
AzureIoTClient	13:920e00014ee3	619	static int skipN(HTTP_HANDLE_DATA* http_instance, size_t n)
Azure.IoT Build	6:c55b013dfc2a	620	{
Azure.IoT Build	6:c55b013dfc2a	621	// read and abandon response content with specified length
Azure.IoT Build	6:c55b013dfc2a	622	// returns -1 in case of error.
AzureIoTClient	13:920e00014ee3	623
AzureIoTClient	13:920e00014ee3	624	int result;
AzureIoTClient	13:920e00014ee3	625
AzureIoTClient	13:920e00014ee3	626	if (http_instance == NULL)
AzureIoTClient	13:920e00014ee3	627	{
AzureIoTClient	13:920e00014ee3	628	LogError("Invalid HTTP instance");
AzureIoTClient	13:920e00014ee3	629	result = -1;
AzureIoTClient	13:920e00014ee3	630	}
AzureIoTClient	13:920e00014ee3	631	else
Azure.IoT Build	6:c55b013dfc2a	632	{
AzureIoTClient	15:956c6d205aa7	633	/Codes_SRS_HTTPAPI_COMPACT_21_081: [ The HTTPAPI_ExecuteRequest shall try to read the message with the response up to 20 seconds. ]/
AzureIoTClient	13:920e00014ee3	634	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	635	result = (int)n;
AzureIoTClient	13:920e00014ee3	636	while (n > 0)
AzureIoTClient	13:920e00014ee3	637	{
AzureIoTClient	13:920e00014ee3	638	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	639
AzureIoTClient	13:920e00014ee3	640	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	641	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	642	{
AzureIoTClient	13:920e00014ee3	643	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	644	result = -1;
AzureIoTClient	13:920e00014ee3	645	n = 0;
AzureIoTClient	13:920e00014ee3	646	}
AzureIoTClient	13:920e00014ee3	647	else
AzureIoTClient	13:920e00014ee3	648	{
AzureIoTClient	13:920e00014ee3	649	if (http_instance->received_bytes_count <= n)
AzureIoTClient	13:920e00014ee3	650	{
AzureIoTClient	13:920e00014ee3	651	n -= http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	652	http_instance->received_bytes_count = 0;
AzureIoTClient	13:920e00014ee3	653	}
AzureIoTClient	13:920e00014ee3	654	else
AzureIoTClient	13:920e00014ee3	655	{
AzureIoTClient	13:920e00014ee3	656	http_instance->received_bytes_count -= n;
AzureIoTClient	13:920e00014ee3	657	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + n, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	658	n = 0;
AzureIoTClient	13:920e00014ee3	659	}
AzureIoTClient	13:920e00014ee3	660
AzureIoTClient	13:920e00014ee3	661	if (n > 0)
AzureIoTClient	13:920e00014ee3	662	{
AzureIoTClient	13:920e00014ee3	663	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	664	{
AzureIoTClient	15:956c6d205aa7	665	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	666	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	667	}
AzureIoTClient	13:920e00014ee3	668	else
AzureIoTClient	13:920e00014ee3	669	{
AzureIoTClient	15:956c6d205aa7	670	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	671	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	672	n = 0;
AzureIoTClient	13:920e00014ee3	673	result = -1;
AzureIoTClient	13:920e00014ee3	674	}
AzureIoTClient	13:920e00014ee3	675	}
AzureIoTClient	13:920e00014ee3	676	}
AzureIoTClient	13:920e00014ee3	677	}
Azure.IoT Build	6:c55b013dfc2a	678	}
Azure.IoT Build	6:c55b013dfc2a	679
AzureIoTClient	13:920e00014ee3	680	return result;
Azure.IoT Build	6:c55b013dfc2a	681	}
Azure.IoT Build	6:c55b013dfc2a	682
AzureIoTClient	11:77df6d7e65ae	683
AzureIoTClient	11:77df6d7e65ae	684	/Codes_SRS_HTTPAPI_COMPACT_21_021: [ The HTTPAPI_ExecuteRequest shall execute the http communtication with the provided host, sending a request and reciving the response. ]/
AzureIoTClient	13:920e00014ee3	685	static HTTPAPI_RESULT OpenXIOConnection(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	686	{
AzureIoTClient	15:956c6d205aa7	687	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	688
AzureIoTClient	15:956c6d205aa7	689	if (http_instance->is_connected != 0)
AzureIoTClient	15:956c6d205aa7	690	{
AzureIoTClient	15:956c6d205aa7	691	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	692	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	693	}
AzureIoTClient	15:956c6d205aa7	694	else
AzureIoTClient	15:956c6d205aa7	695	{
AzureIoTClient	15:956c6d205aa7	696	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	697
AzureIoTClient	15:956c6d205aa7	698	/Codes_SRS_HTTPAPI_COMPACT_21_022: [ If a Certificate was provided, the HTTPAPI_ExecuteRequest shall set this option on the transport layer. ]/
AzureIoTClient	15:956c6d205aa7	699	if ((http_instance->certificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	700	(xio_setoption(http_instance->xio_handle, "TrustedCerts", http_instance->certificate) != 0))
AzureIoTClient	15:956c6d205aa7	701	{
AzureIoTClient	15:956c6d205aa7	702	/Codes_SRS_HTTPAPI_COMPACT_21_023: [ If the transport failed setting the Certificate, the HTTPAPI_ExecuteRequest shall not send any request and return HTTPAPI_SET_OPTION_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	703	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	704	LogInfo("Could not load certificate");
AzureIoTClient	15:956c6d205aa7	705	}
AzureIoTClient	15:956c6d205aa7	706	/Codes_SRS_HTTPAPI_COMPACT_06_003: [ If the x509 client certificate is provided, the HTTPAPI_ExecuteRequest shall set this option on the transport layer. ]/
AzureIoTClient	15:956c6d205aa7	707	else if ((http_instance->x509ClientCertificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	708	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_CERT, http_instance->x509ClientCertificate) != 0))
AzureIoTClient	15:956c6d205aa7	709	{
AzureIoTClient	15:956c6d205aa7	710	/Codes_SRS_HTTPAPI_COMPACT_06_005: [ If the transport failed setting the client certificate, the HTTPAPI_ExecuteRequest shall not send any request and return HTTPAPI_SET_OPTION_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	711	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	712	LogInfo("Could not load the client certificate");
AzureIoTClient	15:956c6d205aa7	713	}
AzureIoTClient	15:956c6d205aa7	714	else if ((http_instance->x509ClientPrivateKey != NULL) &&
AzureIoTClient	15:956c6d205aa7	715	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_PRIVATE_KEY, http_instance->x509ClientPrivateKey) != 0))
AzureIoTClient	15:956c6d205aa7	716	{
AzureIoTClient	11:77df6d7e65ae	717
AzureIoTClient	15:956c6d205aa7	718	/Codes_SRS_HTTPAPI_COMPACT_06_006: [ If the transport failed setting the client certificate private key, the HTTPAPI_ExecuteRequest shall not send any request and return HTTPAPI_SET_OPTION_FAILED. ] /
AzureIoTClient	15:956c6d205aa7	719	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	720	LogInfo("Could not load the client certificate private key");
AzureIoTClient	15:956c6d205aa7	721	}
AzureIoTClient	15:956c6d205aa7	722	else
AzureIoTClient	15:956c6d205aa7	723	{
AzureIoTClient	15:956c6d205aa7	724	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	725	if (xio_open(http_instance->xio_handle, on_io_open_complete, http_instance, on_bytes_received, http_instance, on_io_error, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	726	{
AzureIoTClient	15:956c6d205aa7	727	/Codes_SRS_HTTPAPI_COMPACT_21_025: [ If the open process failed, the HTTPAPI_ExecuteRequest shall not send any request and return HTTPAPI_OPEN_REQUEST_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	728	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	729	}
AzureIoTClient	15:956c6d205aa7	730	else
AzureIoTClient	15:956c6d205aa7	731	{
AzureIoTClient	15:956c6d205aa7	732	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	733	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	734	/Codes_SRS_HTTPAPI_COMPACT_21_077: [ The HTTPAPI_ExecuteRequest shall wait, at least, 10 seconds for the SSL open process. ]/
AzureIoTClient	15:956c6d205aa7	735	int countRetry = MAX_OPEN_RETRY;
AzureIoTClient	15:956c6d205aa7	736	while ((http_instance->is_connected == 0) &&
AzureIoTClient	15:956c6d205aa7	737	(http_instance->is_io_error == 0))
AzureIoTClient	15:956c6d205aa7	738	{
AzureIoTClient	15:956c6d205aa7	739	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	740	LogInfo("Waiting for TLS connection");
AzureIoTClient	15:956c6d205aa7	741	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	742	{
AzureIoTClient	15:956c6d205aa7	743	/Codes_SRS_HTTPAPI_COMPACT_21_078: [ If the HTTPAPI_ExecuteRequest cannot open the connection in 10 seconds, it shall fail and return HTTPAPI_OPEN_REQUEST_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	744	LogError("Open timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	745	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	746	break;
AzureIoTClient	15:956c6d205aa7	747	}
AzureIoTClient	15:956c6d205aa7	748	else
AzureIoTClient	15:956c6d205aa7	749	{
AzureIoTClient	15:956c6d205aa7	750	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	751	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	752	}
AzureIoTClient	15:956c6d205aa7	753	}
AzureIoTClient	15:956c6d205aa7	754	}
AzureIoTClient	15:956c6d205aa7	755	}
AzureIoTClient	15:956c6d205aa7	756	}
AzureIoTClient	11:77df6d7e65ae	757
AzureIoTClient	15:956c6d205aa7	758	if ((http_instance->is_io_error != 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	759	{
AzureIoTClient	15:956c6d205aa7	760	/Codes_SRS_HTTPAPI_COMPACT_21_025: [ If the open process failed, the HTTPAPI_ExecuteRequest shall not send any request and return HTTPAPI_OPEN_REQUEST_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	761	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	762	}
AzureIoTClient	15:956c6d205aa7	763
AzureIoTClient	15:956c6d205aa7	764	return result;
AzureIoTClient	15:956c6d205aa7	765	}
AzureIoTClient	15:956c6d205aa7	766
AzureIoTClient	15:956c6d205aa7	767	static HTTPAPI_RESULT conn_send_all(HTTP_HANDLE_DATA* http_instance, const unsigned char* buf, size_t bufLen)
AzureIoTClient	15:956c6d205aa7	768	{
AzureIoTClient	15:956c6d205aa7	769	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	770
AzureIoTClient	15:956c6d205aa7	771	http_instance->send_completed = 0;
AzureIoTClient	15:956c6d205aa7	772	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	773	if (xio_send(http_instance->xio_handle, buf, bufLen, on_send_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	774	{
AzureIoTClient	15:956c6d205aa7	775	/Codes_SRS_HTTPAPI_COMPACT_21_028: [ If the HTTPAPI_ExecuteRequest cannot send the request header, it shall return HTTPAPI_HTTP_HEADERS_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	776	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	777	}
AzureIoTClient	15:956c6d205aa7	778	else
AzureIoTClient	15:956c6d205aa7	779	{
AzureIoTClient	15:956c6d205aa7	780	/Codes_SRS_HTTPAPI_COMPACT_21_079: [ The HTTPAPI_ExecuteRequest shall wait, at least, 20 seconds to send a buffer using the SSL connection. ]/
AzureIoTClient	15:956c6d205aa7	781	int countRetry = MAX_SEND_RETRY;
AzureIoTClient	15:956c6d205aa7	782	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	783	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	784	while ((http_instance->send_completed == 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	785	{
AzureIoTClient	15:956c6d205aa7	786	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	787	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	788	{
AzureIoTClient	15:956c6d205aa7	789	/Codes_SRS_HTTPAPI_COMPACT_21_028: [ If the HTTPAPI_ExecuteRequest cannot send the request header, it shall return HTTPAPI_HTTP_HEADERS_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	790	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	791	}
AzureIoTClient	15:956c6d205aa7	792	else if ((countRetry--) <= 0)
AzureIoTClient	15:956c6d205aa7	793	{
AzureIoTClient	15:956c6d205aa7	794	/Codes_SRS_HTTPAPI_COMPACT_21_080: [ If the HTTPAPI_ExecuteRequest retries to send the message for 20 seconds without success, it shall fail and return HTTPAPI_SEND_REQUEST_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	795	LogError("Send timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	796	/Codes_SRS_HTTPAPI_COMPACT_21_028: [ If the HTTPAPI_ExecuteRequest cannot send the request header, it shall return HTTPAPI_HTTP_HEADERS_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	797	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	798	}
AzureIoTClient	15:956c6d205aa7	799	else
AzureIoTClient	15:956c6d205aa7	800	{
AzureIoTClient	15:956c6d205aa7	801	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	802	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	803	}
AzureIoTClient	15:956c6d205aa7	804	}
AzureIoTClient	15:956c6d205aa7	805	}
AzureIoTClient	15:956c6d205aa7	806
AzureIoTClient	15:956c6d205aa7	807	return result;
AzureIoTClient	11:77df6d7e65ae	808	}
AzureIoTClient	11:77df6d7e65ae	809
AzureIoTClient	11:77df6d7e65ae	810	/Codes_SRS_HTTPAPI_COMPACT_21_035: [ The HTTPAPI_ExecuteRequest shall execute resquest for types `GET`, `POST`, `PUT`, `DELETE`, `PATCH`. ]/
AzureIoTClient	11:77df6d7e65ae	811	const char httpapiRequestString[5][7] = { "GET", "POST", "PUT", "DELETE", "PATCH" };
AzureIoTClient	11:77df6d7e65ae	812	const char* get_request_type(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	813	{
AzureIoTClient	11:77df6d7e65ae	814	return (const char*)httpapiRequestString[requestType];
AzureIoTClient	11:77df6d7e65ae	815	}
AzureIoTClient	11:77df6d7e65ae	816
AzureIoTClient	11:77df6d7e65ae	817	/Codes_SRS_HTTPAPI_COMPACT_21_026: [ If the open process succeed, the HTTPAPI_ExecuteRequest shall send the request message to the host. ]/
AzureIoTClient	13:920e00014ee3	818	static HTTPAPI_RESULT SendHeadsToXIO(HTTP_HANDLE_DATA* http_instance, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath, HTTP_HEADERS_HANDLE httpHeadersHandle, size_t headersCount)
AzureIoTClient	11:77df6d7e65ae	819	{
AzureIoTClient	15:956c6d205aa7	820	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	821	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	822	int ret;
AzureIoTClient	11:77df6d7e65ae	823
AzureIoTClient	15:956c6d205aa7	824	//Send request
AzureIoTClient	15:956c6d205aa7	825	/Codes_SRS_HTTPAPI_COMPACT_21_038: [ The HTTPAPI_ExecuteRequest shall execute the resquest for the path in relativePath parameter. ]/
AzureIoTClient	15:956c6d205aa7	826	/Codes_SRS_HTTPAPI_COMPACT_21_036: [ The request type shall be provided in the parameter requestType. ]/
AzureIoTClient	15:956c6d205aa7	827	if (((ret = snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\n", get_request_type(requestType), relativePath)) < 0) \|\|
AzureIoTClient	15:956c6d205aa7	828	(ret >= sizeof(buf)))
AzureIoTClient	15:956c6d205aa7	829	{
AzureIoTClient	15:956c6d205aa7	830	/Codes_SRS_HTTPAPI_COMPACT_21_027: [ If the HTTPAPI_ExecuteRequest cannot create a buffer to send the request, it shall not send any request and return HTTPAPI_STRING_PROCESSING_ERROR. ]/
AzureIoTClient	15:956c6d205aa7	831	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	832	}
AzureIoTClient	15:956c6d205aa7	833	/Codes_SRS_HTTPAPI_COMPACT_21_028: [ If the HTTPAPI_ExecuteRequest cannot send the request header, it shall return HTTPAPI_HTTP_HEADERS_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	834	else if ((result = conn_send_all(http_instance, (const unsigned char*)buf, strlen(buf))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	835	{
AzureIoTClient	15:956c6d205aa7	836	//Send default headers
AzureIoTClient	15:956c6d205aa7	837	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	838	for (size_t i = 0; ((i < headersCount) && (result == HTTPAPI_OK)); i++)
AzureIoTClient	15:956c6d205aa7	839	{
AzureIoTClient	15:956c6d205aa7	840	char* header;
AzureIoTClient	15:956c6d205aa7	841	if (HTTPHeaders_GetHeader(httpHeadersHandle, i, &header) != HTTP_HEADERS_OK)
AzureIoTClient	15:956c6d205aa7	842	{
AzureIoTClient	15:956c6d205aa7	843	/Codes_SRS_HTTPAPI_COMPACT_21_027: [ If the HTTPAPI_ExecuteRequest cannot create a buffer to send the request, it shall not send any request and return HTTPAPI_STRING_PROCESSING_ERROR. ]/
AzureIoTClient	15:956c6d205aa7	844	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	845	}
AzureIoTClient	15:956c6d205aa7	846	else
AzureIoTClient	15:956c6d205aa7	847	{
AzureIoTClient	15:956c6d205aa7	848	if ((result = conn_send_all(http_instance, (const unsigned char*)header, strlen(header))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	849	{
AzureIoTClient	15:956c6d205aa7	850	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	851	}
AzureIoTClient	15:956c6d205aa7	852	free(header);
AzureIoTClient	15:956c6d205aa7	853	}
AzureIoTClient	15:956c6d205aa7	854	}
AzureIoTClient	11:77df6d7e65ae	855
AzureIoTClient	15:956c6d205aa7	856	//Close headers
AzureIoTClient	15:956c6d205aa7	857	if (result == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	858	{
AzureIoTClient	15:956c6d205aa7	859	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	860	}
AzureIoTClient	15:956c6d205aa7	861	}
AzureIoTClient	15:956c6d205aa7	862	return result;
AzureIoTClient	11:77df6d7e65ae	863	}
AzureIoTClient	11:77df6d7e65ae	864
AzureIoTClient	11:77df6d7e65ae	865	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	13:920e00014ee3	866	static HTTPAPI_RESULT SendContentToXIO(HTTP_HANDLE_DATA* http_instance, const unsigned char* content, size_t contentLength)
AzureIoTClient	11:77df6d7e65ae	867	{
AzureIoTClient	15:956c6d205aa7	868	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	869
AzureIoTClient	15:956c6d205aa7	870	//Send data (if available)
AzureIoTClient	15:956c6d205aa7	871	/Codes_SRS_HTTPAPI_COMPACT_21_045: [ If the contentLength is lower than one, the HTTPAPI_ExecuteRequest shall send the request without content. ]/
AzureIoTClient	15:956c6d205aa7	872	if (content && contentLength > 0)
AzureIoTClient	15:956c6d205aa7	873	{
AzureIoTClient	15:956c6d205aa7	874	/Codes_SRS_HTTPAPI_COMPACT_21_044: [ If the content is not NULL, the number of bytes in the content shall be provided in contentLength parameter. ]/
AzureIoTClient	15:956c6d205aa7	875	result = conn_send_all(http_instance, content, contentLength);
AzureIoTClient	15:956c6d205aa7	876	}
AzureIoTClient	15:956c6d205aa7	877	else
AzureIoTClient	15:956c6d205aa7	878	{
AzureIoTClient	15:956c6d205aa7	879	/Codes_SRS_HTTPAPI_COMPACT_21_043: [ If the content is NULL, the HTTPAPI_ExecuteRequest shall send the request without content. ]/
AzureIoTClient	15:956c6d205aa7	880	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	881	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	882	}
AzureIoTClient	15:956c6d205aa7	883	return result;
AzureIoTClient	11:77df6d7e65ae	884	}
AzureIoTClient	11:77df6d7e65ae	885
AzureIoTClient	11:77df6d7e65ae	886	/Codes_SRS_HTTPAPI_COMPACT_21_030: [ At the end of the transmission, the HTTPAPI_ExecuteRequest shall receive the response from the host. ]/
AzureIoTClient	13:920e00014ee3	887	static HTTPAPI_RESULT RecieveHeaderFromXIO(HTTP_HANDLE_DATA* http_instance, unsigned int* statusCode)
AzureIoTClient	11:77df6d7e65ae	888	{
AzureIoTClient	15:956c6d205aa7	889	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	890	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	891	int ret;
AzureIoTClient	15:956c6d205aa7	892
AzureIoTClient	15:956c6d205aa7	893	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	894
AzureIoTClient	15:956c6d205aa7	895	//Receive response
AzureIoTClient	15:956c6d205aa7	896	if (readLine(http_instance, buf, TEMP_BUFFER_SIZE) < 0)
AzureIoTClient	15:956c6d205aa7	897	{
AzureIoTClient	15:956c6d205aa7	898	/Codes_SRS_HTTPAPI_COMPACT_21_032: [ If the HTTPAPI_ExecuteRequest cannot read the message with the request result, it shall return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	899	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	13:920e00014ee3	900	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	901	}
AzureIoTClient	15:956c6d205aa7	902	//Parse HTTP response
AzureIoTClient	15:956c6d205aa7	903	else if (ParseHttpResponse(buf, &ret) != 1)
AzureIoTClient	15:956c6d205aa7	904	{
AzureIoTClient	15:956c6d205aa7	905	//Cannot match string, error
AzureIoTClient	11:77df6d7e65ae	906	/Codes_SRS_HTTPAPI_COMPACT_21_055: [ If the HTTPAPI_ExecuteRequest cannot parser the recived message, it shall return HTTPAPI_RECEIVE_RESPONSE_FAILED. ]/
AzureIoTClient	13:920e00014ee3	907	LogInfo("Not a correct HTTP answer");
AzureIoTClient	15:956c6d205aa7	908	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	909	}
AzureIoTClient	15:956c6d205aa7	910	else
AzureIoTClient	15:956c6d205aa7	911	{
AzureIoTClient	15:956c6d205aa7	912	/Codes_SRS_HTTPAPI_COMPACT_21_046: [ The HTTPAPI_ExecuteRequest shall return the http status reported by the host in the received response. ]/
AzureIoTClient	15:956c6d205aa7	913	/Codes_SRS_HTTPAPI_COMPACT_21_048: [ If the statusCode is NULL, the HTTPAPI_ExecuteRequest shall report not report any status. ]/
AzureIoTClient	15:956c6d205aa7	914	if (statusCode)
AzureIoTClient	15:956c6d205aa7	915	{
AzureIoTClient	15:956c6d205aa7	916	/Codes_SRS_HTTPAPI_COMPACT_21_047: [ The HTTPAPI_ExecuteRequest shall report the status in the statusCode parameter. ]/
AzureIoTClient	15:956c6d205aa7	917	*statusCode = ret;
AzureIoTClient	15:956c6d205aa7	918	}
AzureIoTClient	15:956c6d205aa7	919	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	920	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	921	}
AzureIoTClient	11:77df6d7e65ae	922
AzureIoTClient	15:956c6d205aa7	923	return result;
AzureIoTClient	11:77df6d7e65ae	924	}
AzureIoTClient	11:77df6d7e65ae	925
AzureIoTClient	13:920e00014ee3	926	static HTTPAPI_RESULT RecieveContentInfoFromXIO(HTTP_HANDLE_DATA* http_instance, HTTP_HEADERS_HANDLE responseHeadersHandle, size_t* bodyLength, bool* chunked)
AzureIoTClient	11:77df6d7e65ae	927	{
AzureIoTClient	15:956c6d205aa7	928	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	929	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	11:77df6d7e65ae	930	const char* substr;
AzureIoTClient	11:77df6d7e65ae	931	char* whereIsColon;
AzureIoTClient	11:77df6d7e65ae	932	int lengthInMsg;
AzureIoTClient	18:6d8a413a4d9a	933	const char ContentLength[] = "content-length:";
AzureIoTClient	18:6d8a413a4d9a	934	const size_t ContentLengthSize = sizeof(ContentLength) - 1;
AzureIoTClient	18:6d8a413a4d9a	935	const char TransferEncoding[] = "transfer-encoding:";
AzureIoTClient	18:6d8a413a4d9a	936	const size_t TransferEncodingSize = sizeof(TransferEncoding) - 1;
AzureIoTClient	18:6d8a413a4d9a	937	const char Chunked[] = "chunked";
AzureIoTClient	18:6d8a413a4d9a	938	const size_t ChunkedSize = sizeof(Chunked) - 1;
AzureIoTClient	15:956c6d205aa7	939
AzureIoTClient	15:956c6d205aa7	940	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	941
AzureIoTClient	15:956c6d205aa7	942	//Read HTTP response headers
AzureIoTClient	15:956c6d205aa7	943	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	944	{
AzureIoTClient	15:956c6d205aa7	945	/Codes_SRS_HTTPAPI_COMPACT_21_032: [ If the HTTPAPI_ExecuteRequest cannot read the message with the request result, it shall return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	946	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	13:920e00014ee3	947	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	948	}
AzureIoTClient	15:956c6d205aa7	949	else
AzureIoTClient	15:956c6d205aa7	950	{
AzureIoTClient	15:956c6d205aa7	951	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	952	result = HTTPAPI_OK;
AzureIoTClient	11:77df6d7e65ae	953
AzureIoTClient	15:956c6d205aa7	954	while (*buf && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	955	{
AzureIoTClient	15:956c6d205aa7	956	if (InternStrnicmp(buf, ContentLength, ContentLengthSize) == 0)
AzureIoTClient	15:956c6d205aa7	957	{
AzureIoTClient	18:6d8a413a4d9a	958	substr = buf + ContentLengthSize;
AzureIoTClient	15:956c6d205aa7	959	if (ParseStringToDecimal(substr, &lengthInMsg) != 1)
AzureIoTClient	15:956c6d205aa7	960	{
AzureIoTClient	15:956c6d205aa7	961	/Codes_SRS_HTTPAPI_COMPACT_21_032: [ If the HTTPAPI_ExecuteRequest cannot read the message with the request result, it shall return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	962	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	963	}
AzureIoTClient	15:956c6d205aa7	964	else
AzureIoTClient	15:956c6d205aa7	965	{
AzureIoTClient	15:956c6d205aa7	966	(*bodyLength) = (size_t)lengthInMsg;
AzureIoTClient	15:956c6d205aa7	967	}
AzureIoTClient	15:956c6d205aa7	968	}
AzureIoTClient	15:956c6d205aa7	969	else if (InternStrnicmp(buf, TransferEncoding, TransferEncodingSize) == 0)
AzureIoTClient	15:956c6d205aa7	970	{
AzureIoTClient	18:6d8a413a4d9a	971	substr = buf + TransferEncodingSize;
AzureIoTClient	15:956c6d205aa7	972
AzureIoTClient	15:956c6d205aa7	973	while (isspace(*substr)) substr++;
AzureIoTClient	11:77df6d7e65ae	974
AzureIoTClient	15:956c6d205aa7	975	if (InternStrnicmp(substr, Chunked, ChunkedSize) == 0)
AzureIoTClient	15:956c6d205aa7	976	{
AzureIoTClient	15:956c6d205aa7	977	(*chunked) = true;
AzureIoTClient	15:956c6d205aa7	978	}
AzureIoTClient	15:956c6d205aa7	979	}
AzureIoTClient	11:77df6d7e65ae	980
AzureIoTClient	15:956c6d205aa7	981	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	982	{
AzureIoTClient	15:956c6d205aa7	983	whereIsColon = strchr((char*)buf, ':');
AzureIoTClient	15:956c6d205aa7	984	/Codes_SRS_HTTPAPI_COMPACT_21_049: [ If responseHeadersHandle is provide, the HTTPAPI_ExecuteRequest shall prepare a Response Header usign the HTTPHeaders_AddHeaderNameValuePair. ]/
AzureIoTClient	15:956c6d205aa7	985	if (whereIsColon && (responseHeadersHandle != NULL))
AzureIoTClient	15:956c6d205aa7	986	{
AzureIoTClient	15:956c6d205aa7	987	*whereIsColon = '\0';
AzureIoTClient	15:956c6d205aa7	988	HTTPHeaders_AddHeaderNameValuePair(responseHeadersHandle, buf, whereIsColon + 1);
AzureIoTClient	15:956c6d205aa7	989	}
AzureIoTClient	11:77df6d7e65ae	990
AzureIoTClient	15:956c6d205aa7	991	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	992	{
AzureIoTClient	15:956c6d205aa7	993	/Codes_SRS_HTTPAPI_COMPACT_21_032: [ If the HTTPAPI_ExecuteRequest cannot read the message with the request result, it shall return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	994	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	13:920e00014ee3	995	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	996	}
AzureIoTClient	15:956c6d205aa7	997	}
AzureIoTClient	15:956c6d205aa7	998	}
AzureIoTClient	15:956c6d205aa7	999	}
AzureIoTClient	11:77df6d7e65ae	1000
AzureIoTClient	15:956c6d205aa7	1001	return result;
AzureIoTClient	11:77df6d7e65ae	1002	}
AzureIoTClient	11:77df6d7e65ae	1003
AzureIoTClient	13:920e00014ee3	1004	static HTTPAPI_RESULT ReadHTTPResponseBodyFromXIO(HTTP_HANDLE_DATA* http_instance, size_t bodyLength, bool chunked, BUFFER_HANDLE responseContent)
AzureIoTClient	11:77df6d7e65ae	1005	{
AzureIoTClient	15:956c6d205aa7	1006	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	1007	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	1008	const unsigned char* receivedContent;
AzureIoTClient	15:956c6d205aa7	1009
AzureIoTClient	15:956c6d205aa7	1010	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	1011
AzureIoTClient	15:956c6d205aa7	1012	//Read HTTP response body
AzureIoTClient	15:956c6d205aa7	1013	if (!chunked)
AzureIoTClient	15:956c6d205aa7	1014	{
AzureIoTClient	15:956c6d205aa7	1015	if (bodyLength)
AzureIoTClient	15:956c6d205aa7	1016	{
AzureIoTClient	15:956c6d205aa7	1017	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1018	{
AzureIoTClient	15:956c6d205aa7	1019	if (BUFFER_pre_build(responseContent, bodyLength) != 0)
AzureIoTClient	15:956c6d205aa7	1020	{
AzureIoTClient	15:956c6d205aa7	1021	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1022	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1023	}
AzureIoTClient	15:956c6d205aa7	1024	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1025	{
AzureIoTClient	15:956c6d205aa7	1026	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1027
AzureIoTClient	15:956c6d205aa7	1028	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1029	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1030	}
AzureIoTClient	15:956c6d205aa7	1031	else if (readChunk(http_instance, (char*)receivedContent, bodyLength) < 0)
AzureIoTClient	15:956c6d205aa7	1032	{
AzureIoTClient	15:956c6d205aa7	1033	/Codes_SRS_HTTPAPI_COMPACT_21_032: [ If the HTTPAPI_ExecuteRequest cannot read the message with the request result, it shall return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1034	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1035	}
AzureIoTClient	15:956c6d205aa7	1036	else
AzureIoTClient	15:956c6d205aa7	1037	{
AzureIoTClient	15:956c6d205aa7	1038	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1039	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1040	}
AzureIoTClient	15:956c6d205aa7	1041	}
AzureIoTClient	13:920e00014ee3	1042	else
AzureIoTClient	13:920e00014ee3	1043	{
AzureIoTClient	13:920e00014ee3	1044	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	13:920e00014ee3	1045	if (skipN(http_instance, bodyLength) < 0)
AzureIoTClient	13:920e00014ee3	1046	{
AzureIoTClient	15:956c6d205aa7	1047	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	13:920e00014ee3	1048	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	13:920e00014ee3	1049	}
AzureIoTClient	13:920e00014ee3	1050	else
AzureIoTClient	13:920e00014ee3	1051	{
AzureIoTClient	13:920e00014ee3	1052	result = HTTPAPI_OK;
AzureIoTClient	13:920e00014ee3	1053	}
AzureIoTClient	13:920e00014ee3	1054	}
AzureIoTClient	15:956c6d205aa7	1055	}
AzureIoTClient	15:956c6d205aa7	1056	else
AzureIoTClient	15:956c6d205aa7	1057	{
AzureIoTClient	15:956c6d205aa7	1058	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1059	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1060	}
AzureIoTClient	15:956c6d205aa7	1061	}
AzureIoTClient	15:956c6d205aa7	1062	else
AzureIoTClient	15:956c6d205aa7	1063	{
AzureIoTClient	15:956c6d205aa7	1064	size_t size = 0;
AzureIoTClient	15:956c6d205aa7	1065	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1066	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1067	while (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1068	{
AzureIoTClient	15:956c6d205aa7	1069	size_t chunkSize;
AzureIoTClient	15:956c6d205aa7	1070	if (readLine(http_instance, buf, sizeof(buf)) < 0) // read [length in hex]/r/n
AzureIoTClient	15:956c6d205aa7	1071	{
AzureIoTClient	15:956c6d205aa7	1072	/Codes_SRS_HTTPAPI_COMPACT_21_032: [ If the HTTPAPI_ExecuteRequest cannot read the message with the request result, it shall return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1073	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	13:920e00014ee3	1074	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1075	}
AzureIoTClient	15:956c6d205aa7	1076	else if (ParseStringToHexadecimal(buf, &chunkSize) != 1) // chunkSize is length of next line (/r/n is not counted)
AzureIoTClient	15:956c6d205aa7	1077	{
AzureIoTClient	15:956c6d205aa7	1078	//Cannot match string, error
AzureIoTClient	15:956c6d205aa7	1079	/Codes_SRS_HTTPAPI_COMPACT_21_055: [ If the HTTPAPI_ExecuteRequest cannot parser the recived message, it shall return HTTPAPI_RECEIVE_RESPONSE_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1080	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	1081	}
AzureIoTClient	15:956c6d205aa7	1082	else if (chunkSize == 0)
AzureIoTClient	15:956c6d205aa7	1083	{
AzureIoTClient	15:956c6d205aa7	1084	// 0 length means next line is just '\r\n' and end of chunks
AzureIoTClient	15:956c6d205aa7	1085	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1086	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1087	{
AzureIoTClient	15:956c6d205aa7	1088	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1089
AzureIoTClient	15:956c6d205aa7	1090	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1091	}
AzureIoTClient	15:956c6d205aa7	1092	break;
AzureIoTClient	15:956c6d205aa7	1093	}
AzureIoTClient	15:956c6d205aa7	1094	else
AzureIoTClient	15:956c6d205aa7	1095	{
AzureIoTClient	15:956c6d205aa7	1096	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1097	{
AzureIoTClient	15:956c6d205aa7	1098	if (BUFFER_enlarge(responseContent, chunkSize) != 0)
AzureIoTClient	15:956c6d205aa7	1099	{
AzureIoTClient	15:956c6d205aa7	1100	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1101
AzureIoTClient	15:956c6d205aa7	1102	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1103	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1104	}
AzureIoTClient	15:956c6d205aa7	1105	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1106	{
AzureIoTClient	15:956c6d205aa7	1107	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1108
AzureIoTClient	15:956c6d205aa7	1109	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1110	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1111	}
AzureIoTClient	15:956c6d205aa7	1112	else if (readChunk(http_instance, (char*)receivedContent + size, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1113	{
AzureIoTClient	15:956c6d205aa7	1114	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1115	}
AzureIoTClient	15:956c6d205aa7	1116	}
AzureIoTClient	15:956c6d205aa7	1117	else
AzureIoTClient	15:956c6d205aa7	1118	{
AzureIoTClient	15:956c6d205aa7	1119	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	15:956c6d205aa7	1120	if (skipN(http_instance, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1121	{
AzureIoTClient	15:956c6d205aa7	1122	/Codes_SRS_HTTPAPI_COMPACT_21_082: [ If the HTTPAPI_ExecuteRequest retries 20 seconds to receive the message without success, it shall fail and return HTTPAPI_READ_DATA_FAILED. ]/
AzureIoTClient	13:920e00014ee3	1123	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1124	}
AzureIoTClient	15:956c6d205aa7	1125	}
AzureIoTClient	11:77df6d7e65ae	1126
AzureIoTClient	15:956c6d205aa7	1127	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1128	{
AzureIoTClient	15:956c6d205aa7	1129	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1130	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1131	{
AzureIoTClient	15:956c6d205aa7	1132	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1133	}
AzureIoTClient	15:956c6d205aa7	1134	size += chunkSize;
AzureIoTClient	15:956c6d205aa7	1135	}
AzureIoTClient	15:956c6d205aa7	1136	}
AzureIoTClient	15:956c6d205aa7	1137	}
AzureIoTClient	11:77df6d7e65ae	1138
AzureIoTClient	15:956c6d205aa7	1139	}
AzureIoTClient	15:956c6d205aa7	1140	return result;
AzureIoTClient	11:77df6d7e65ae	1141	}
AzureIoTClient	11:77df6d7e65ae	1142
AzureIoTClient	11:77df6d7e65ae	1143
AzureIoTClient	11:77df6d7e65ae	1144	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	11:77df6d7e65ae	1145	static bool validRequestType(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	1146	{
AzureIoTClient	15:956c6d205aa7	1147	bool result;
AzureIoTClient	11:77df6d7e65ae	1148
AzureIoTClient	15:956c6d205aa7	1149	if ((requestType == HTTPAPI_REQUEST_GET) \|\|
AzureIoTClient	15:956c6d205aa7	1150	(requestType == HTTPAPI_REQUEST_POST) \|\|
AzureIoTClient	15:956c6d205aa7	1151	(requestType == HTTPAPI_REQUEST_PUT) \|\|
AzureIoTClient	15:956c6d205aa7	1152	(requestType == HTTPAPI_REQUEST_DELETE) \|\|
AzureIoTClient	15:956c6d205aa7	1153	(requestType == HTTPAPI_REQUEST_PATCH))
AzureIoTClient	15:956c6d205aa7	1154	{
AzureIoTClient	15:956c6d205aa7	1155	result = true;
AzureIoTClient	15:956c6d205aa7	1156	}
AzureIoTClient	15:956c6d205aa7	1157	else
AzureIoTClient	15:956c6d205aa7	1158	{
AzureIoTClient	15:956c6d205aa7	1159	result = false;
AzureIoTClient	15:956c6d205aa7	1160	}
AzureIoTClient	11:77df6d7e65ae	1161
AzureIoTClient	15:956c6d205aa7	1162	return result;
AzureIoTClient	11:77df6d7e65ae	1163	}
AzureIoTClient	11:77df6d7e65ae	1164
AzureIoTClient	11:77df6d7e65ae	1165	/Codes_SRS_HTTPAPI_COMPACT_21_021: [ The HTTPAPI_ExecuteRequest shall execute the http communtication with the provided host, sending a request and reciving the response. ]/
AzureIoTClient	11:77df6d7e65ae	1166	/Codes_SRS_HTTPAPI_COMPACT_21_050: [ If there is a content in the response, the HTTPAPI_ExecuteRequest shall copy it in the responseContent buffer. ]/
Azure.IoT Build	6:c55b013dfc2a	1167	//Note: This function assumes that "Host:" and "Content-Length:" headers are setup
Azure.IoT Build	6:c55b013dfc2a	1168	// by the caller of HTTPAPI_ExecuteRequest() (which is true for httptransport.c).
Azure.IoT Build	6:c55b013dfc2a	1169	HTTPAPI_RESULT HTTPAPI_ExecuteRequest(HTTP_HANDLE handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath,
Azure.IoT Build	6:c55b013dfc2a	1170	HTTP_HEADERS_HANDLE httpHeadersHandle, const unsigned char* content,
Azure.IoT Build	6:c55b013dfc2a	1171	size_t contentLength, unsigned int* statusCode,
Azure.IoT Build	6:c55b013dfc2a	1172	HTTP_HEADERS_HANDLE responseHeadersHandle, BUFFER_HANDLE responseContent)
Azure.IoT Build	6:c55b013dfc2a	1173	{
AzureIoTClient	11:77df6d7e65ae	1174	HTTPAPI_RESULT result = HTTPAPI_ERROR;
Azure.IoT Build	6:c55b013dfc2a	1175	size_t headersCount;
Azure.IoT Build	6:c55b013dfc2a	1176	size_t bodyLength = 0;
Azure.IoT Build	6:c55b013dfc2a	1177	bool chunked = false;
AzureIoTClient	15:956c6d205aa7	1178	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1179
AzureIoTClient	15:956c6d205aa7	1180	/Codes_SRS_HTTPAPI_COMPACT_21_034: [ If there is no previous connection, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1181	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1182	/Codes_SRS_HTTPAPI_COMPACT_21_039: [ If the relativePath is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1183	/Codes_SRS_HTTPAPI_COMPACT_21_041: [ If the httpHeadersHandle is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1184	/Codes_SRS_HTTPAPI_COMPACT_21_053: [ The HTTPAPI_ExecuteRequest shall produce a set of http header to send to the host. ]/
AzureIoTClient	15:956c6d205aa7	1185	/Codes_SRS_HTTPAPI_COMPACT_21_040: [ The request shall contain the http header provided in httpHeadersHandle parameter. ]/
AzureIoTClient	15:956c6d205aa7	1186	/Codes_SRS_HTTPAPI_COMPACT_21_054: [ If Http header maker cannot provide the number of headers, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1187	if (http_instance == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1188	relativePath == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1189	httpHeadersHandle == NULL \|\|
AzureIoTClient	15:956c6d205aa7	1190	!validRequestType(requestType) \|\|
Azure.IoT Build	6:c55b013dfc2a	1191	HTTPHeaders_GetHeaderCount(httpHeadersHandle, &headersCount) != HTTP_HEADERS_OK)
Azure.IoT Build	6:c55b013dfc2a	1192	{
Azure.IoT Build	6:c55b013dfc2a	1193	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1194	LogError("(result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
Azure.IoT Build	6:c55b013dfc2a	1195	}
AzureIoTClient	15:956c6d205aa7	1196	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	1197	else if ((result = OpenXIOConnection(http_instance)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1198	{
AzureIoTClient	15:956c6d205aa7	1199	LogError("Open HTTP connection failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1200	}
AzureIoTClient	15:956c6d205aa7	1201	/Codes_SRS_HTTPAPI_COMPACT_21_026: [ If the open process succeed, the HTTPAPI_ExecuteRequest shall send the request message to the host. ]/
AzureIoTClient	15:956c6d205aa7	1202	else if ((result = SendHeadsToXIO(http_instance, requestType, relativePath, httpHeadersHandle, headersCount)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1203	{
AzureIoTClient	15:956c6d205aa7	1204	LogError("Send heads to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1205	}
AzureIoTClient	15:956c6d205aa7	1206	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	15:956c6d205aa7	1207	else if ((result = SendContentToXIO(http_instance, content, contentLength)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1208	{
AzureIoTClient	15:956c6d205aa7	1209	LogError("Send content to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1210	}
AzureIoTClient	15:956c6d205aa7	1211	/Codes_SRS_HTTPAPI_COMPACT_21_030: [ At the end of the transmission, the HTTPAPI_ExecuteRequest shall receive the response from the host. ]/
AzureIoTClient	15:956c6d205aa7	1212	/Codes_SRS_HTTPAPI_COMPACT_21_073: [ The message recived by the HTTPAPI_ExecuteRequest shall starts with a valid header. ]/
AzureIoTClient	15:956c6d205aa7	1213	else if ((result = RecieveHeaderFromXIO(http_instance, statusCode)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1214	{
AzureIoTClient	15:956c6d205aa7	1215	LogError("Receive header from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1216	}
AzureIoTClient	15:956c6d205aa7	1217	/Codes_SRS_HTTPAPI_COMPACT_21_074: [ After the header, the message recieved by the HTTPAPI_ExecuteRequest can contain addition information about the content. ]/
AzureIoTClient	15:956c6d205aa7	1218	else if ((result = RecieveContentInfoFromXIO(http_instance, responseHeadersHandle, &bodyLength, &chunked)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1219	{
AzureIoTClient	15:956c6d205aa7	1220	LogError("Receive content information from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1221	}
AzureIoTClient	15:956c6d205aa7	1222	/Codes_SRS_HTTPAPI_COMPACT_21_075: [ The message recieved by the HTTPAPI_ExecuteRequest can contain a body with the message content. ]/
AzureIoTClient	15:956c6d205aa7	1223	else if ((result = ReadHTTPResponseBodyFromXIO(http_instance, bodyLength, chunked, responseContent)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1224	{
AzureIoTClient	15:956c6d205aa7	1225	LogError("Read HTTP response body from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1226	}
Azure.IoT Build	6:c55b013dfc2a	1227
AzureIoTClient	13:920e00014ee3	1228	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	1229
Azure.IoT Build	6:c55b013dfc2a	1230
AzureIoTClient	11:77df6d7e65ae	1231	return result;
AzureIoTClient	11:77df6d7e65ae	1232	}
Azure.IoT Build	6:c55b013dfc2a	1233
AzureIoTClient	11:77df6d7e65ae	1234	/Codes_SRS_HTTPAPI_COMPACT_21_056: [ The HTTPAPI_SetOption shall change the HTTP options. ]/
AzureIoTClient	11:77df6d7e65ae	1235	/Codes_SRS_HTTPAPI_COMPACT_21_057: [ The HTTPAPI_SetOption shall recieve a handle that identiry the HTTP connection. ]/
AzureIoTClient	11:77df6d7e65ae	1236	/Codes_SRS_HTTPAPI_COMPACT_21_058: [ The HTTPAPI_SetOption shall recieve the option as a pair optionName/value. ]/
AzureIoTClient	11:77df6d7e65ae	1237	HTTPAPI_RESULT HTTPAPI_SetOption(HTTP_HANDLE handle, const char* optionName, const void* value)
AzureIoTClient	11:77df6d7e65ae	1238	{
AzureIoTClient	11:77df6d7e65ae	1239	HTTPAPI_RESULT result;
AzureIoTClient	13:920e00014ee3	1240	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1241
AzureIoTClient	15:956c6d205aa7	1242	if (
AzureIoTClient	13:920e00014ee3	1243	(http_instance == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1244	(optionName == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1245	(value == NULL)
AzureIoTClient	11:77df6d7e65ae	1246	)
Azure.IoT Build	6:c55b013dfc2a	1247	{
AzureIoTClient	15:956c6d205aa7	1248	/Codes_SRS_HTTPAPI_COMPACT_21_059: [ If the handle is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1249	/Codes_SRS_HTTPAPI_COMPACT_21_060: [ If the optionName is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1250	/Codes_SRS_HTTPAPI_COMPACT_21_061: [ If the value is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1251	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1252	}
AzureIoTClient	11:77df6d7e65ae	1253	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1254	{
AzureIoTClient	13:920e00014ee3	1255	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	1256	{
AzureIoTClient	13:920e00014ee3	1257	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	1258	}
Azure.IoT Build	6:c55b013dfc2a	1259
AzureIoTClient	11:77df6d7e65ae	1260	int len = (int)strlen((char*)value);
AzureIoTClient	13:920e00014ee3	1261	http_instance->certificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	13:920e00014ee3	1262	if (http_instance->certificate == NULL)
Azure.IoT Build	6:c55b013dfc2a	1263	{
AzureIoTClient	15:956c6d205aa7	1264	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1265	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	11:77df6d7e65ae	1266	LogInfo("unable to allocate memory for the certificate in HTTPAPI_SetOption");
Azure.IoT Build	6:c55b013dfc2a	1267	}
Azure.IoT Build	6:c55b013dfc2a	1268	else
Azure.IoT Build	6:c55b013dfc2a	1269	{
AzureIoTClient	15:956c6d205aa7	1270	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	13:920e00014ee3	1271	(void)strcpy(http_instance->certificate, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1272	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1273	}
Azure.IoT Build	6:c55b013dfc2a	1274	}
AzureIoTClient	15:956c6d205aa7	1275	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1276	{
AzureIoTClient	15:956c6d205aa7	1277	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	1278	{
AzureIoTClient	15:956c6d205aa7	1279	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	1280	}
AzureIoTClient	15:956c6d205aa7	1281
AzureIoTClient	15:956c6d205aa7	1282	int len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1283	http_instance->x509ClientCertificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1284	if (http_instance->x509ClientCertificate == NULL)
AzureIoTClient	15:956c6d205aa7	1285	{
AzureIoTClient	15:956c6d205aa7	1286	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1287	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1288	LogInfo("unable to allocate memory for the client certificate in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1289	}
AzureIoTClient	15:956c6d205aa7	1290	else
AzureIoTClient	15:956c6d205aa7	1291	{
AzureIoTClient	15:956c6d205aa7	1292	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1293	(void)strcpy(http_instance->x509ClientCertificate, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1294	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1295	}
AzureIoTClient	15:956c6d205aa7	1296	}
AzureIoTClient	15:956c6d205aa7	1297	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1298	{
AzureIoTClient	15:956c6d205aa7	1299	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	1300	{
AzureIoTClient	15:956c6d205aa7	1301	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	1302	}
AzureIoTClient	15:956c6d205aa7	1303
AzureIoTClient	15:956c6d205aa7	1304	int len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1305	http_instance->x509ClientPrivateKey = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1306	if (http_instance->x509ClientPrivateKey == NULL)
AzureIoTClient	15:956c6d205aa7	1307	{
AzureIoTClient	15:956c6d205aa7	1308	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1309	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1310	LogInfo("unable to allocate memory for the client private key in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1311	}
AzureIoTClient	15:956c6d205aa7	1312	else
AzureIoTClient	15:956c6d205aa7	1313	{
AzureIoTClient	15:956c6d205aa7	1314	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1315	(void)strcpy(http_instance->x509ClientPrivateKey, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1316	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1317	}
AzureIoTClient	15:956c6d205aa7	1318	}
Azure.IoT Build	6:c55b013dfc2a	1319	else
Azure.IoT Build	6:c55b013dfc2a	1320	{
AzureIoTClient	15:956c6d205aa7	1321	/Codes_SRS_HTTPAPI_COMPACT_21_063: [ If the HTTP do not support the optionName, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
Azure.IoT Build	6:c55b013dfc2a	1322	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1323	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1324	}
Azure.IoT Build	6:c55b013dfc2a	1325	return result;
Azure.IoT Build	6:c55b013dfc2a	1326	}
Azure.IoT Build	6:c55b013dfc2a	1327
AzureIoTClient	11:77df6d7e65ae	1328	/Codes_SRS_HTTPAPI_COMPACT_21_065: [ The HTTPAPI_CloneOption shall provide the means to clone the HTTP option. ]/
AzureIoTClient	11:77df6d7e65ae	1329	/Codes_SRS_HTTPAPI_COMPACT_21_066: [ The HTTPAPI_CloneOption shall return a clone of the value identified by the optionName. ]/
Azure.IoT Build	6:c55b013dfc2a	1330	HTTPAPI_RESULT HTTPAPI_CloneOption(const char* optionName, const void* value, const void** savedValue)
Azure.IoT Build	6:c55b013dfc2a	1331	{
Azure.IoT Build	6:c55b013dfc2a	1332	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	1333	size_t certLen;
AzureIoTClient	11:77df6d7e65ae	1334	char* tempCert;
AzureIoTClient	11:77df6d7e65ae	1335
AzureIoTClient	15:956c6d205aa7	1336	if (
Azure.IoT Build	6:c55b013dfc2a	1337	(optionName == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1338	(value == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1339	(savedValue == NULL)
Azure.IoT Build	6:c55b013dfc2a	1340	)
Azure.IoT Build	6:c55b013dfc2a	1341	{
AzureIoTClient	15:956c6d205aa7	1342	/Codes_SRS_HTTPAPI_COMPACT_21_067: [ If the optionName is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1343	/Codes_SRS_HTTPAPI_COMPACT_21_068: [ If the value is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1344	/Codes_SRS_HTTPAPI_COMPACT_21_069: [ If the savedValue is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1345	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1346	}
Azure.IoT Build	6:c55b013dfc2a	1347	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1348	{
AzureIoTClient	11:77df6d7e65ae	1349	certLen = strlen((const char*)value);
AzureIoTClient	11:77df6d7e65ae	1350	tempCert = (char)malloc((certLen + 1) sizeof(char));
Azure.IoT Build	6:c55b013dfc2a	1351	if (tempCert == NULL)
Azure.IoT Build	6:c55b013dfc2a	1352	{
AzureIoTClient	15:956c6d205aa7	1353	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1354	result = HTTPAPI_ALLOC_FAILED;
Azure.IoT Build	6:c55b013dfc2a	1355	}
Azure.IoT Build	6:c55b013dfc2a	1356	else
Azure.IoT Build	6:c55b013dfc2a	1357	{
AzureIoTClient	15:956c6d205aa7	1358	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1359	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1360	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1361	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1362	}
AzureIoTClient	15:956c6d205aa7	1363	}
AzureIoTClient	15:956c6d205aa7	1364	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1365	{
AzureIoTClient	15:956c6d205aa7	1366	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1367	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1368	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1369	{
AzureIoTClient	15:956c6d205aa7	1370	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1371	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1372	}
AzureIoTClient	15:956c6d205aa7	1373	else
AzureIoTClient	15:956c6d205aa7	1374	{
AzureIoTClient	15:956c6d205aa7	1375	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1376	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1377	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1378	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1379	}
AzureIoTClient	15:956c6d205aa7	1380	}
AzureIoTClient	15:956c6d205aa7	1381	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1382	{
AzureIoTClient	15:956c6d205aa7	1383	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1384	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1385	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1386	{
AzureIoTClient	15:956c6d205aa7	1387	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1388	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1389	}
AzureIoTClient	15:956c6d205aa7	1390	else
AzureIoTClient	15:956c6d205aa7	1391	{
AzureIoTClient	15:956c6d205aa7	1392	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1393	(void)strcpy(tempCert, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1394	*savedValue = tempCert;
Azure.IoT Build	6:c55b013dfc2a	1395	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1396	}
Azure.IoT Build	6:c55b013dfc2a	1397	}
Azure.IoT Build	6:c55b013dfc2a	1398	else
Azure.IoT Build	6:c55b013dfc2a	1399	{
AzureIoTClient	15:956c6d205aa7	1400	/Codes_SRS_HTTPAPI_COMPACT_21_071: [ If the HTTP do not support the optionName, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1401	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1402	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1403	}
Azure.IoT Build	6:c55b013dfc2a	1404	return result;
Azure.IoT Build	6:c55b013dfc2a	1405	}

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Type:	Library
Created:	08 Apr 2016
Imports:	152
Forks:	1
Commits:	50
Dependents:	10
Dependencies:	0
Followers:	10

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Azure IoT

Dan Cristoloveanu

The code in this repository is MIT licensed.

httpapi_compact.c@19:2e0811512ceb, 2017-01-28 (annotated)

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