azure_c_shared_utility - Azure IoT common library

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Azure IoT common library

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httpapi_compact.c@22:10640b226104, 2017-03-10 (annotated)

Committer:: AzureIoTClient
Date:: Fri Mar 10 11:48:28 2017 -0800
Revision:: 22:10640b226104
Parent:: 19:2e0811512ceb
Child:: 27:8656a313842b

1.1.9

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	22:10640b226104	221	tlsio_config.underlying_io_interface = NULL;
AzureIoTClient	22:10640b226104	222	tlsio_config.underlying_io_parameters = NULL;
AzureIoTClient	15:956c6d205aa7	223
AzureIoTClient	15:956c6d205aa7	224	http_instance->xio_handle = xio_create(platform_get_default_tlsio(), (void*)&tlsio_config);
Azure.IoT Build	6:c55b013dfc2a	225
AzureIoTClient	15:956c6d205aa7	226	/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	227	if (http_instance->xio_handle == NULL)
AzureIoTClient	15:956c6d205aa7	228	{
AzureIoTClient	15:956c6d205aa7	229	LogError("Create connection failed");
AzureIoTClient	15:956c6d205aa7	230	free(http_instance);
AzureIoTClient	15:956c6d205aa7	231	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	232	}
AzureIoTClient	15:956c6d205aa7	233	else
AzureIoTClient	15:956c6d205aa7	234	{
AzureIoTClient	15:956c6d205aa7	235	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	236	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	237	http_instance->received_bytes_count = 0;
AzureIoTClient	15:956c6d205aa7	238	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	239	http_instance->certificate = NULL;
AzureIoTClient	15:956c6d205aa7	240	http_instance->x509ClientCertificate = NULL;
AzureIoTClient	15:956c6d205aa7	241	http_instance->x509ClientPrivateKey = NULL;
AzureIoTClient	15:956c6d205aa7	242	}
AzureIoTClient	15:956c6d205aa7	243	}
AzureIoTClient	15:956c6d205aa7	244	}
AzureIoTClient	11:77df6d7e65ae	245
AzureIoTClient	15:956c6d205aa7	246	/Codes_SRS_HTTPAPI_COMPACT_21_012: [ The HTTPAPI_CreateConnection shall return a non-NULL handle on success. ]/
AzureIoTClient	15:956c6d205aa7	247	return (HTTP_HANDLE)http_instance;
AzureIoTClient	15:956c6d205aa7	248	}
AzureIoTClient	11:77df6d7e65ae	249
AzureIoTClient	15:956c6d205aa7	250	static void on_io_close_complete(void* context)
AzureIoTClient	15:956c6d205aa7	251	{
AzureIoTClient	15:956c6d205aa7	252	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	253
AzureIoTClient	15:956c6d205aa7	254	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	255	{
AzureIoTClient	15:956c6d205aa7	256	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	257	}
Azure.IoT Build	6:c55b013dfc2a	258	}
Azure.IoT Build	6:c55b013dfc2a	259
Azure.IoT Build	6:c55b013dfc2a	260	void HTTPAPI_CloseConnection(HTTP_HANDLE handle)
Azure.IoT Build	6:c55b013dfc2a	261	{
AzureIoTClient	13:920e00014ee3	262	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	263
AzureIoTClient	15:956c6d205aa7	264	/Codes_SRS_HTTPAPI_COMPACT_21_020: [ If the connection handle is NULL, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	265	if (http_instance != NULL)
Azure.IoT Build	6:c55b013dfc2a	266	{
AzureIoTClient	15:956c6d205aa7	267	/Codes_SRS_HTTPAPI_COMPACT_21_019: [ If there is no previous connection, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	268	if (http_instance->xio_handle != NULL)
Azure.IoT Build	6:c55b013dfc2a	269	{
AzureIoTClient	15:956c6d205aa7	270	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	271	/Codes_SRS_HTTPAPI_COMPACT_21_017: [ The HTTPAPI_CloseConnection shall close the connection previously created in HTTPAPI_ExecuteRequest. ]/
AzureIoTClient	15:956c6d205aa7	272	if (xio_close(http_instance->xio_handle, on_io_close_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	273	{
AzureIoTClient	15:956c6d205aa7	274	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	275	/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	276	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	277	}
AzureIoTClient	15:956c6d205aa7	278	else
AzureIoTClient	15:956c6d205aa7	279	{
AzureIoTClient	15:956c6d205aa7	280	/Codes_SRS_HTTPAPI_COMPACT_21_084: [ The HTTPAPI_CloseConnection shall wait, at least, 10 seconds for the SSL close process. ]/
AzureIoTClient	15:956c6d205aa7	281	int countRetry = MAX_CLOSE_RETRY;
AzureIoTClient	15:956c6d205aa7	282	while (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	283	{
AzureIoTClient	15:956c6d205aa7	284	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	285	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	286	{
AzureIoTClient	15:956c6d205aa7	287	/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	288	LogError("Close timeout. The SSL didn't close the connection");
AzureIoTClient	15:956c6d205aa7	289	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	290	}
AzureIoTClient	15:956c6d205aa7	291	else if (http_instance->is_io_error == 1)
AzureIoTClient	15:956c6d205aa7	292	{
AzureIoTClient	15:956c6d205aa7	293	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	294	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	295	}
AzureIoTClient	15:956c6d205aa7	296	else if (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	297	{
AzureIoTClient	15:956c6d205aa7	298	LogInfo("Waiting for TLS close connection");
AzureIoTClient	15:956c6d205aa7	299	/Codes_SRS_HTTPAPI_COMPACT_21_086: [ The HTTPAPI_CloseConnection shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	300	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	301	}
AzureIoTClient	15:956c6d205aa7	302	}
AzureIoTClient	15:956c6d205aa7	303	}
AzureIoTClient	15:956c6d205aa7	304	/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	305	xio_destroy(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	306	}
Azure.IoT Build	6:c55b013dfc2a	307
AzureIoTClient	15:956c6d205aa7	308	/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	309	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	310	{
AzureIoTClient	13:920e00014ee3	311	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	312	}
Azure.IoT Build	6:c55b013dfc2a	313
AzureIoTClient	15:956c6d205aa7	314	/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	315	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	316	{
AzureIoTClient	15:956c6d205aa7	317	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	318	}
AzureIoTClient	15:956c6d205aa7	319
AzureIoTClient	15:956c6d205aa7	320	/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	321	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	322	{
AzureIoTClient	15:956c6d205aa7	323	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	324	}
AzureIoTClient	13:920e00014ee3	325	free(http_instance);
Azure.IoT Build	6:c55b013dfc2a	326	}
Azure.IoT Build	6:c55b013dfc2a	327	}
Azure.IoT Build	6:c55b013dfc2a	328
Azure.IoT Build	6:c55b013dfc2a	329	static void on_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build	6:c55b013dfc2a	330	{
AzureIoTClient	13:920e00014ee3	331	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	332
AzureIoTClient	13:920e00014ee3	333	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	334	{
AzureIoTClient	15:956c6d205aa7	335	if (open_result == IO_OPEN_OK)
AzureIoTClient	15:956c6d205aa7	336	{
AzureIoTClient	15:956c6d205aa7	337	http_instance->is_connected = 1;
AzureIoTClient	15:956c6d205aa7	338	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	339	}
AzureIoTClient	15:956c6d205aa7	340	else
AzureIoTClient	15:956c6d205aa7	341	{
AzureIoTClient	15:956c6d205aa7	342	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	343	}
AzureIoTClient	15:956c6d205aa7	344	}
AzureIoTClient	15:956c6d205aa7	345	}
AzureIoTClient	15:956c6d205aa7	346
AzureIoTClient	15:956c6d205aa7	347	static void on_send_complete(void* context, IO_SEND_RESULT send_result)
AzureIoTClient	15:956c6d205aa7	348	{
AzureIoTClient	15:956c6d205aa7	349	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	350
AzureIoTClient	15:956c6d205aa7	351	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	352	{
AzureIoTClient	15:956c6d205aa7	353	if (send_result == IO_SEND_OK)
AzureIoTClient	15:956c6d205aa7	354	{
AzureIoTClient	15:956c6d205aa7	355	http_instance->send_completed = 1;
AzureIoTClient	15:956c6d205aa7	356	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	357	}
AzureIoTClient	15:956c6d205aa7	358	else
AzureIoTClient	15:956c6d205aa7	359	{
AzureIoTClient	15:956c6d205aa7	360	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	361	}
AzureIoTClient	15:956c6d205aa7	362	}
Azure.IoT Build	6:c55b013dfc2a	363	}
Azure.IoT Build	6:c55b013dfc2a	364
AzureIoTClient	11:77df6d7e65ae	365	#define TOLOWER(c) (((c>='A') && (c<='Z'))?c-'A'+'a':c)
AzureIoTClient	11:77df6d7e65ae	366	static int InternStrnicmp(const char* s1, const char* s2, size_t n)
Azure.IoT Build	6:c55b013dfc2a	367	{
AzureIoTClient	11:77df6d7e65ae	368	int result;
Azure.IoT Build	6:c55b013dfc2a	369
AzureIoTClient	18:6d8a413a4d9a	370	if (s1 == NULL) result = -1;
AzureIoTClient	18:6d8a413a4d9a	371	else if (s2 == NULL) result = 1;
AzureIoTClient	15:956c6d205aa7	372	else
AzureIoTClient	15:956c6d205aa7	373	{
AzureIoTClient	15:956c6d205aa7	374	result = 0;
AzureIoTClient	18:6d8a413a4d9a	375
AzureIoTClient	18:6d8a413a4d9a	376	while(n-- && result == 0)
AzureIoTClient	15:956c6d205aa7	377	{
AzureIoTClient	18:6d8a413a4d9a	378	if (*s1 == 0) result = -1;
AzureIoTClient	18:6d8a413a4d9a	379	else if (*s2 == 0) result = 1;
AzureIoTClient	18:6d8a413a4d9a	380	else
AzureIoTClient	18:6d8a413a4d9a	381	{
Azure.IoT Build	6:c55b013dfc2a	382
AzureIoTClient	18:6d8a413a4d9a	383	result = TOLOWER(s1) - TOLOWER(s2);
AzureIoTClient	18:6d8a413a4d9a	384	++s1;
AzureIoTClient	18:6d8a413a4d9a	385	++s2;
AzureIoTClient	18:6d8a413a4d9a	386	}
Azure.IoT Build	6:c55b013dfc2a	387	}
AzureIoTClient	15:956c6d205aa7	388	}
Azure.IoT Build	6:c55b013dfc2a	389
Azure.IoT Build	6:c55b013dfc2a	390	return result;
Azure.IoT Build	6:c55b013dfc2a	391	}
Azure.IoT Build	6:c55b013dfc2a	392
Azure.IoT Build	6:c55b013dfc2a	393	static void on_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build	6:c55b013dfc2a	394	{
AzureIoTClient	11:77df6d7e65ae	395	unsigned char* new_received_bytes;
AzureIoTClient	13:920e00014ee3	396	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	11:77df6d7e65ae	397
AzureIoTClient	13:920e00014ee3	398	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	399	{
Azure.IoT Build	6:c55b013dfc2a	400
AzureIoTClient	11:77df6d7e65ae	401	if (buffer == NULL)
AzureIoTClient	11:77df6d7e65ae	402	{
AzureIoTClient	13:920e00014ee3	403	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	404	LogError("NULL pointer error");
AzureIoTClient	11:77df6d7e65ae	405	}
AzureIoTClient	11:77df6d7e65ae	406	else
AzureIoTClient	11:77df6d7e65ae	407	{
AzureIoTClient	11:77df6d7e65ae	408	/* Here we got some bytes so we'll buffer them so the receive functions can consumer it */
AzureIoTClient	13:920e00014ee3	409	new_received_bytes = (unsigned char*)realloc(http_instance->received_bytes, http_instance->received_bytes_count + size);
AzureIoTClient	11:77df6d7e65ae	410	if (new_received_bytes == NULL)
AzureIoTClient	11:77df6d7e65ae	411	{
AzureIoTClient	13:920e00014ee3	412	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	413	LogError("Error allocating memory for received data");
AzureIoTClient	11:77df6d7e65ae	414	}
AzureIoTClient	11:77df6d7e65ae	415	else
AzureIoTClient	11:77df6d7e65ae	416	{
AzureIoTClient	13:920e00014ee3	417	http_instance->received_bytes = new_received_bytes;
AzureIoTClient	13:920e00014ee3	418	if (memcpy(http_instance->received_bytes + http_instance->received_bytes_count, buffer, size) == NULL)
AzureIoTClient	11:77df6d7e65ae	419	{
AzureIoTClient	13:920e00014ee3	420	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	421	LogError("Error copping received data to the HTTP bufffer");
AzureIoTClient	11:77df6d7e65ae	422	}
AzureIoTClient	11:77df6d7e65ae	423	else
AzureIoTClient	11:77df6d7e65ae	424	{
AzureIoTClient	13:920e00014ee3	425	http_instance->received_bytes_count += size;
AzureIoTClient	11:77df6d7e65ae	426	}
AzureIoTClient	11:77df6d7e65ae	427	}
AzureIoTClient	11:77df6d7e65ae	428	}
AzureIoTClient	15:956c6d205aa7	429	}
Azure.IoT Build	6:c55b013dfc2a	430	}
Azure.IoT Build	6:c55b013dfc2a	431
Azure.IoT Build	6:c55b013dfc2a	432	static void on_io_error(void* context)
Azure.IoT Build	6:c55b013dfc2a	433	{
AzureIoTClient	13:920e00014ee3	434	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	13:920e00014ee3	435	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	436	{
AzureIoTClient	13:920e00014ee3	437	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	438	LogError("Error signalled by underlying IO");
AzureIoTClient	13:920e00014ee3	439	}
Azure.IoT Build	6:c55b013dfc2a	440	}
Azure.IoT Build	6:c55b013dfc2a	441
Azure.IoT Build	6:c55b013dfc2a	442	static int conn_receive(HTTP_HANDLE_DATA* http_instance, char* buffer, int count)
Azure.IoT Build	6:c55b013dfc2a	443	{
AzureIoTClient	11:77df6d7e65ae	444	int result;
Azure.IoT Build	6:c55b013dfc2a	445
AzureIoTClient	15:956c6d205aa7	446	if ((http_instance == NULL) \|\| (buffer == NULL) \|\| (count < 0))
AzureIoTClient	15:956c6d205aa7	447	{
AzureIoTClient	11:77df6d7e65ae	448	LogError("conn_receive: %s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
Azure.IoT Build	6:c55b013dfc2a	449	result = -1;
AzureIoTClient	15:956c6d205aa7	450	}
AzureIoTClient	15:956c6d205aa7	451	else
AzureIoTClient	15:956c6d205aa7	452	{
AzureIoTClient	15:956c6d205aa7	453	result = 0;
AzureIoTClient	15:956c6d205aa7	454	while (result < count)
AzureIoTClient	15:956c6d205aa7	455	{
AzureIoTClient	15:956c6d205aa7	456	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	457
AzureIoTClient	15:956c6d205aa7	458	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	15:956c6d205aa7	459	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	460	{
AzureIoTClient	13:920e00014ee3	461	LogError("xio reported error on dowork");
Azure.IoT Build	6:c55b013dfc2a	462	result = -1;
AzureIoTClient	15:956c6d205aa7	463	break;
AzureIoTClient	15:956c6d205aa7	464	}
Azure.IoT Build	6:c55b013dfc2a	465
AzureIoTClient	15:956c6d205aa7	466	if (http_instance->received_bytes_count >= (size_t)count)
AzureIoTClient	15:956c6d205aa7	467	{
AzureIoTClient	15:956c6d205aa7	468	/* Consuming bytes from the receive buffer */
AzureIoTClient	15:956c6d205aa7	469	(void)memcpy(buffer, http_instance->received_bytes, count);
AzureIoTClient	15:956c6d205aa7	470	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + count, http_instance->received_bytes_count - count);
AzureIoTClient	15:956c6d205aa7	471	http_instance->received_bytes_count -= count;
Azure.IoT Build	6:c55b013dfc2a	472
AzureIoTClient	15:956c6d205aa7	473	/* we're not reallocating at each consumption so that we don't trash due to byte by byte consumption */
AzureIoTClient	15:956c6d205aa7	474	if (http_instance->received_bytes_count == 0)
AzureIoTClient	15:956c6d205aa7	475	{
AzureIoTClient	15:956c6d205aa7	476	free(http_instance->received_bytes);
AzureIoTClient	15:956c6d205aa7	477	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	478	}
Azure.IoT Build	6:c55b013dfc2a	479
AzureIoTClient	15:956c6d205aa7	480	result = count;
AzureIoTClient	15:956c6d205aa7	481	break;
AzureIoTClient	15:956c6d205aa7	482	}
Azure.IoT Build	6:c55b013dfc2a	483
AzureIoTClient	15:956c6d205aa7	484	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	485	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	486	}
AzureIoTClient	15:956c6d205aa7	487	}
Azure.IoT Build	6:c55b013dfc2a	488
Azure.IoT Build	6:c55b013dfc2a	489	return result;
Azure.IoT Build	6:c55b013dfc2a	490	}
Azure.IoT Build	6:c55b013dfc2a	491
AzureIoTClient	11:77df6d7e65ae	492	static void conn_receive_discard_buffer(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	493	{
AzureIoTClient	13:920e00014ee3	494	if (http_instance != NULL)
AzureIoTClient	11:77df6d7e65ae	495	{
AzureIoTClient	13:920e00014ee3	496	if (http_instance->received_bytes != NULL)
AzureIoTClient	13:920e00014ee3	497	{
AzureIoTClient	13:920e00014ee3	498	free(http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	499	http_instance->received_bytes = NULL;
AzureIoTClient	13:920e00014ee3	500	}
AzureIoTClient	13:920e00014ee3	501	http_instance->received_bytes_count = 0;
AzureIoTClient	11:77df6d7e65ae	502	}
AzureIoTClient	11:77df6d7e65ae	503	}
AzureIoTClient	11:77df6d7e65ae	504
AzureIoTClient	13:920e00014ee3	505	static int readLine(HTTP_HANDLE_DATA* http_instance, char* buf, const size_t maxBufSize)
Azure.IoT Build	6:c55b013dfc2a	506	{
AzureIoTClient	13:920e00014ee3	507	int resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	508
AzureIoTClient	18:6d8a413a4d9a	509	if ((http_instance == NULL) \|\| (buf == NULL) \|\| (maxBufSize == 0))
AzureIoTClient	13:920e00014ee3	510	{
AzureIoTClient	13:920e00014ee3	511	LogError("%s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
AzureIoTClient	13:920e00014ee3	512	resultLineSize = -1;
Azure.IoT Build	6:c55b013dfc2a	513	}
Azure.IoT Build	6:c55b013dfc2a	514	else
Azure.IoT Build	6:c55b013dfc2a	515	{
AzureIoTClient	13:920e00014ee3	516	char* destByte = buf;
AzureIoTClient	15:956c6d205aa7	517	/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	518	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	519	bool endOfSearch = false;
AzureIoTClient	13:920e00014ee3	520	resultLineSize = -1;
AzureIoTClient	13:920e00014ee3	521	while (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	522	{
AzureIoTClient	13:920e00014ee3	523	xio_dowork(http_instance->xio_handle);
AzureIoTClient	13:920e00014ee3	524
AzureIoTClient	13:920e00014ee3	525	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	526	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	527	{
AzureIoTClient	13:920e00014ee3	528	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	529	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	530	}
AzureIoTClient	13:920e00014ee3	531	else
Azure.IoT Build	6:c55b013dfc2a	532	{
AzureIoTClient	13:920e00014ee3	533	unsigned char* receivedByte = http_instance->received_bytes;
AzureIoTClient	13:920e00014ee3	534	while (receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count))
Azure.IoT Build	6:c55b013dfc2a	535	{
AzureIoTClient	13:920e00014ee3	536	if ((*receivedByte) != '\r')
AzureIoTClient	13:920e00014ee3	537	{
AzureIoTClient	13:920e00014ee3	538	(destByte) = (receivedByte);
AzureIoTClient	13:920e00014ee3	539	destByte++;
AzureIoTClient	13:920e00014ee3	540	receivedByte++;
Azure.IoT Build	6:c55b013dfc2a	541
AzureIoTClient	13:920e00014ee3	542	if (destByte >= (buf + maxBufSize - 1))
AzureIoTClient	13:920e00014ee3	543	{
AzureIoTClient	13:920e00014ee3	544	LogError("Received message is bigger than the http buffer");
AzureIoTClient	13:920e00014ee3	545	receivedByte = http_instance->received_bytes + http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	546	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	547	break;
AzureIoTClient	13:920e00014ee3	548	}
AzureIoTClient	13:920e00014ee3	549	}
AzureIoTClient	13:920e00014ee3	550	else
AzureIoTClient	13:920e00014ee3	551	{
AzureIoTClient	13:920e00014ee3	552	receivedByte++;
AzureIoTClient	13:920e00014ee3	553	if ((receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count)) && ((*receivedByte) == '\n'))
AzureIoTClient	13:920e00014ee3	554	{
AzureIoTClient	13:920e00014ee3	555	receivedByte++;
AzureIoTClient	13:920e00014ee3	556	}
AzureIoTClient	13:920e00014ee3	557	(*destByte) = '\0';
AzureIoTClient	13:920e00014ee3	558	resultLineSize = (int)(destByte - buf);
AzureIoTClient	13:920e00014ee3	559	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	560	break;
AzureIoTClient	13:920e00014ee3	561	}
Azure.IoT Build	6:c55b013dfc2a	562	}
Azure.IoT Build	6:c55b013dfc2a	563
AzureIoTClient	13:920e00014ee3	564	http_instance->received_bytes_count -= (receivedByte - http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	565	if (http_instance->received_bytes_count != 0)
AzureIoTClient	13:920e00014ee3	566	{
AzureIoTClient	13:920e00014ee3	567	(void)memmove(http_instance->received_bytes, receivedByte, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	568	}
AzureIoTClient	13:920e00014ee3	569	else
AzureIoTClient	13:920e00014ee3	570	{
AzureIoTClient	13:920e00014ee3	571	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	572	}
Azure.IoT Build	6:c55b013dfc2a	573	}
Azure.IoT Build	6:c55b013dfc2a	574
AzureIoTClient	13:920e00014ee3	575	if (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	576	{
AzureIoTClient	13:920e00014ee3	577	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	578	{
AzureIoTClient	15:956c6d205aa7	579	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	580	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	581	}
AzureIoTClient	13:920e00014ee3	582	else
AzureIoTClient	13:920e00014ee3	583	{
AzureIoTClient	15:956c6d205aa7	584	/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	585	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	586	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	587	}
Azure.IoT Build	6:c55b013dfc2a	588	}
Azure.IoT Build	6:c55b013dfc2a	589	}
Azure.IoT Build	6:c55b013dfc2a	590	}
Azure.IoT Build	6:c55b013dfc2a	591
AzureIoTClient	13:920e00014ee3	592	return resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	593	}
Azure.IoT Build	6:c55b013dfc2a	594
Azure.IoT Build	6:c55b013dfc2a	595	static int readChunk(HTTP_HANDLE_DATA* http_instance, char* buf, size_t size)
Azure.IoT Build	6:c55b013dfc2a	596	{
AzureIoTClient	11:77df6d7e65ae	597	int cur, offset;
Azure.IoT Build	6:c55b013dfc2a	598
Azure.IoT Build	6:c55b013dfc2a	599	// read content with specified length, even if it is received
Azure.IoT Build	6:c55b013dfc2a	600	// only in chunks due to fragmentation in the networking layer.
Azure.IoT Build	6:c55b013dfc2a	601	// returns -1 in case of error.
Azure.IoT Build	6:c55b013dfc2a	602	offset = 0;
AzureIoTClient	11:77df6d7e65ae	603	while (size > (size_t)0)
Azure.IoT Build	6:c55b013dfc2a	604	{
AzureIoTClient	11:77df6d7e65ae	605	cur = conn_receive(http_instance, buf + offset, (int)size);
Azure.IoT Build	6:c55b013dfc2a	606
Azure.IoT Build	6:c55b013dfc2a	607	// end of stream reached
AzureIoTClient	15:956c6d205aa7	608	if (cur == 0)
AzureIoTClient	15:956c6d205aa7	609	{
AzureIoTClient	15:956c6d205aa7	610	break;
AzureIoTClient	15:956c6d205aa7	611	}
Azure.IoT Build	6:c55b013dfc2a	612
Azure.IoT Build	6:c55b013dfc2a	613	// read cur bytes (might be less than requested)
AzureIoTClient	11:77df6d7e65ae	614	size -= (size_t)cur;
Azure.IoT Build	6:c55b013dfc2a	615	offset += cur;
Azure.IoT Build	6:c55b013dfc2a	616	}
Azure.IoT Build	6:c55b013dfc2a	617
Azure.IoT Build	6:c55b013dfc2a	618	return offset;
Azure.IoT Build	6:c55b013dfc2a	619	}
Azure.IoT Build	6:c55b013dfc2a	620
AzureIoTClient	13:920e00014ee3	621	static int skipN(HTTP_HANDLE_DATA* http_instance, size_t n)
Azure.IoT Build	6:c55b013dfc2a	622	{
Azure.IoT Build	6:c55b013dfc2a	623	// read and abandon response content with specified length
Azure.IoT Build	6:c55b013dfc2a	624	// returns -1 in case of error.
AzureIoTClient	13:920e00014ee3	625
AzureIoTClient	13:920e00014ee3	626	int result;
AzureIoTClient	13:920e00014ee3	627
AzureIoTClient	13:920e00014ee3	628	if (http_instance == NULL)
AzureIoTClient	13:920e00014ee3	629	{
AzureIoTClient	13:920e00014ee3	630	LogError("Invalid HTTP instance");
AzureIoTClient	13:920e00014ee3	631	result = -1;
AzureIoTClient	13:920e00014ee3	632	}
AzureIoTClient	13:920e00014ee3	633	else
Azure.IoT Build	6:c55b013dfc2a	634	{
AzureIoTClient	15:956c6d205aa7	635	/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	636	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	637	result = (int)n;
AzureIoTClient	13:920e00014ee3	638	while (n > 0)
AzureIoTClient	13:920e00014ee3	639	{
AzureIoTClient	13:920e00014ee3	640	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	641
AzureIoTClient	13:920e00014ee3	642	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	643	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	644	{
AzureIoTClient	13:920e00014ee3	645	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	646	result = -1;
AzureIoTClient	13:920e00014ee3	647	n = 0;
AzureIoTClient	13:920e00014ee3	648	}
AzureIoTClient	13:920e00014ee3	649	else
AzureIoTClient	13:920e00014ee3	650	{
AzureIoTClient	13:920e00014ee3	651	if (http_instance->received_bytes_count <= n)
AzureIoTClient	13:920e00014ee3	652	{
AzureIoTClient	13:920e00014ee3	653	n -= http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	654	http_instance->received_bytes_count = 0;
AzureIoTClient	13:920e00014ee3	655	}
AzureIoTClient	13:920e00014ee3	656	else
AzureIoTClient	13:920e00014ee3	657	{
AzureIoTClient	13:920e00014ee3	658	http_instance->received_bytes_count -= n;
AzureIoTClient	13:920e00014ee3	659	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + n, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	660	n = 0;
AzureIoTClient	13:920e00014ee3	661	}
AzureIoTClient	13:920e00014ee3	662
AzureIoTClient	13:920e00014ee3	663	if (n > 0)
AzureIoTClient	13:920e00014ee3	664	{
AzureIoTClient	13:920e00014ee3	665	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	666	{
AzureIoTClient	15:956c6d205aa7	667	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	668	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	669	}
AzureIoTClient	13:920e00014ee3	670	else
AzureIoTClient	13:920e00014ee3	671	{
AzureIoTClient	15:956c6d205aa7	672	/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	673	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	674	n = 0;
AzureIoTClient	13:920e00014ee3	675	result = -1;
AzureIoTClient	13:920e00014ee3	676	}
AzureIoTClient	13:920e00014ee3	677	}
AzureIoTClient	13:920e00014ee3	678	}
AzureIoTClient	13:920e00014ee3	679	}
Azure.IoT Build	6:c55b013dfc2a	680	}
Azure.IoT Build	6:c55b013dfc2a	681
AzureIoTClient	13:920e00014ee3	682	return result;
Azure.IoT Build	6:c55b013dfc2a	683	}
Azure.IoT Build	6:c55b013dfc2a	684
AzureIoTClient	11:77df6d7e65ae	685
AzureIoTClient	11:77df6d7e65ae	686	/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	687	static HTTPAPI_RESULT OpenXIOConnection(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	688	{
AzureIoTClient	15:956c6d205aa7	689	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	690
AzureIoTClient	15:956c6d205aa7	691	if (http_instance->is_connected != 0)
AzureIoTClient	15:956c6d205aa7	692	{
AzureIoTClient	15:956c6d205aa7	693	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	694	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	695	}
AzureIoTClient	15:956c6d205aa7	696	else
AzureIoTClient	15:956c6d205aa7	697	{
AzureIoTClient	15:956c6d205aa7	698	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	699
AzureIoTClient	15:956c6d205aa7	700	/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	701	if ((http_instance->certificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	702	(xio_setoption(http_instance->xio_handle, "TrustedCerts", http_instance->certificate) != 0))
AzureIoTClient	15:956c6d205aa7	703	{
AzureIoTClient	15:956c6d205aa7	704	/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	705	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	706	LogInfo("Could not load certificate");
AzureIoTClient	15:956c6d205aa7	707	}
AzureIoTClient	15:956c6d205aa7	708	/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	709	else if ((http_instance->x509ClientCertificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	710	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_CERT, http_instance->x509ClientCertificate) != 0))
AzureIoTClient	15:956c6d205aa7	711	{
AzureIoTClient	15:956c6d205aa7	712	/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	713	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	714	LogInfo("Could not load the client certificate");
AzureIoTClient	15:956c6d205aa7	715	}
AzureIoTClient	15:956c6d205aa7	716	else if ((http_instance->x509ClientPrivateKey != NULL) &&
AzureIoTClient	15:956c6d205aa7	717	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_PRIVATE_KEY, http_instance->x509ClientPrivateKey) != 0))
AzureIoTClient	15:956c6d205aa7	718	{
AzureIoTClient	11:77df6d7e65ae	719
AzureIoTClient	15:956c6d205aa7	720	/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	721	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	722	LogInfo("Could not load the client certificate private key");
AzureIoTClient	15:956c6d205aa7	723	}
AzureIoTClient	15:956c6d205aa7	724	else
AzureIoTClient	15:956c6d205aa7	725	{
AzureIoTClient	15:956c6d205aa7	726	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	727	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	728	{
AzureIoTClient	15:956c6d205aa7	729	/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	730	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	731	}
AzureIoTClient	15:956c6d205aa7	732	else
AzureIoTClient	15:956c6d205aa7	733	{
AzureIoTClient	15:956c6d205aa7	734	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	735	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	736	/Codes_SRS_HTTPAPI_COMPACT_21_077: [ The HTTPAPI_ExecuteRequest shall wait, at least, 10 seconds for the SSL open process. ]/
AzureIoTClient	15:956c6d205aa7	737	int countRetry = MAX_OPEN_RETRY;
AzureIoTClient	15:956c6d205aa7	738	while ((http_instance->is_connected == 0) &&
AzureIoTClient	15:956c6d205aa7	739	(http_instance->is_io_error == 0))
AzureIoTClient	15:956c6d205aa7	740	{
AzureIoTClient	15:956c6d205aa7	741	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	742	LogInfo("Waiting for TLS connection");
AzureIoTClient	15:956c6d205aa7	743	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	744	{
AzureIoTClient	15:956c6d205aa7	745	/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	746	LogError("Open timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	747	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	748	break;
AzureIoTClient	15:956c6d205aa7	749	}
AzureIoTClient	15:956c6d205aa7	750	else
AzureIoTClient	15:956c6d205aa7	751	{
AzureIoTClient	15:956c6d205aa7	752	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	753	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	754	}
AzureIoTClient	15:956c6d205aa7	755	}
AzureIoTClient	15:956c6d205aa7	756	}
AzureIoTClient	15:956c6d205aa7	757	}
AzureIoTClient	15:956c6d205aa7	758	}
AzureIoTClient	11:77df6d7e65ae	759
AzureIoTClient	15:956c6d205aa7	760	if ((http_instance->is_io_error != 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	761	{
AzureIoTClient	15:956c6d205aa7	762	/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	763	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	764	}
AzureIoTClient	15:956c6d205aa7	765
AzureIoTClient	15:956c6d205aa7	766	return result;
AzureIoTClient	15:956c6d205aa7	767	}
AzureIoTClient	15:956c6d205aa7	768
AzureIoTClient	15:956c6d205aa7	769	static HTTPAPI_RESULT conn_send_all(HTTP_HANDLE_DATA* http_instance, const unsigned char* buf, size_t bufLen)
AzureIoTClient	15:956c6d205aa7	770	{
AzureIoTClient	15:956c6d205aa7	771	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	772
AzureIoTClient	15:956c6d205aa7	773	http_instance->send_completed = 0;
AzureIoTClient	15:956c6d205aa7	774	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	775	if (xio_send(http_instance->xio_handle, buf, bufLen, on_send_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	776	{
AzureIoTClient	15:956c6d205aa7	777	/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	778	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	779	}
AzureIoTClient	15:956c6d205aa7	780	else
AzureIoTClient	15:956c6d205aa7	781	{
AzureIoTClient	15:956c6d205aa7	782	/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	783	int countRetry = MAX_SEND_RETRY;
AzureIoTClient	15:956c6d205aa7	784	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	785	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	786	while ((http_instance->send_completed == 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	787	{
AzureIoTClient	15:956c6d205aa7	788	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	789	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	790	{
AzureIoTClient	15:956c6d205aa7	791	/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	792	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	793	}
AzureIoTClient	15:956c6d205aa7	794	else if ((countRetry--) <= 0)
AzureIoTClient	15:956c6d205aa7	795	{
AzureIoTClient	15:956c6d205aa7	796	/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	797	LogError("Send timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	798	/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	799	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	800	}
AzureIoTClient	15:956c6d205aa7	801	else
AzureIoTClient	15:956c6d205aa7	802	{
AzureIoTClient	15:956c6d205aa7	803	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	804	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	805	}
AzureIoTClient	15:956c6d205aa7	806	}
AzureIoTClient	15:956c6d205aa7	807	}
AzureIoTClient	15:956c6d205aa7	808
AzureIoTClient	15:956c6d205aa7	809	return result;
AzureIoTClient	11:77df6d7e65ae	810	}
AzureIoTClient	11:77df6d7e65ae	811
AzureIoTClient	11:77df6d7e65ae	812	/Codes_SRS_HTTPAPI_COMPACT_21_035: [ The HTTPAPI_ExecuteRequest shall execute resquest for types `GET`, `POST`, `PUT`, `DELETE`, `PATCH`. ]/
AzureIoTClient	11:77df6d7e65ae	813	const char httpapiRequestString[5][7] = { "GET", "POST", "PUT", "DELETE", "PATCH" };
AzureIoTClient	11:77df6d7e65ae	814	const char* get_request_type(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	815	{
AzureIoTClient	11:77df6d7e65ae	816	return (const char*)httpapiRequestString[requestType];
AzureIoTClient	11:77df6d7e65ae	817	}
AzureIoTClient	11:77df6d7e65ae	818
AzureIoTClient	11:77df6d7e65ae	819	/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	820	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	821	{
AzureIoTClient	15:956c6d205aa7	822	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	823	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	824	int ret;
AzureIoTClient	11:77df6d7e65ae	825
AzureIoTClient	15:956c6d205aa7	826	//Send request
AzureIoTClient	15:956c6d205aa7	827	/Codes_SRS_HTTPAPI_COMPACT_21_038: [ The HTTPAPI_ExecuteRequest shall execute the resquest for the path in relativePath parameter. ]/
AzureIoTClient	15:956c6d205aa7	828	/Codes_SRS_HTTPAPI_COMPACT_21_036: [ The request type shall be provided in the parameter requestType. ]/
AzureIoTClient	15:956c6d205aa7	829	if (((ret = snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\n", get_request_type(requestType), relativePath)) < 0) \|\|
AzureIoTClient	15:956c6d205aa7	830	(ret >= sizeof(buf)))
AzureIoTClient	15:956c6d205aa7	831	{
AzureIoTClient	15:956c6d205aa7	832	/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	833	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	834	}
AzureIoTClient	15:956c6d205aa7	835	/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	836	else if ((result = conn_send_all(http_instance, (const unsigned char*)buf, strlen(buf))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	837	{
AzureIoTClient	15:956c6d205aa7	838	//Send default headers
AzureIoTClient	15:956c6d205aa7	839	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	840	for (size_t i = 0; ((i < headersCount) && (result == HTTPAPI_OK)); i++)
AzureIoTClient	15:956c6d205aa7	841	{
AzureIoTClient	15:956c6d205aa7	842	char* header;
AzureIoTClient	15:956c6d205aa7	843	if (HTTPHeaders_GetHeader(httpHeadersHandle, i, &header) != HTTP_HEADERS_OK)
AzureIoTClient	15:956c6d205aa7	844	{
AzureIoTClient	15:956c6d205aa7	845	/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	846	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	847	}
AzureIoTClient	15:956c6d205aa7	848	else
AzureIoTClient	15:956c6d205aa7	849	{
AzureIoTClient	15:956c6d205aa7	850	if ((result = conn_send_all(http_instance, (const unsigned char*)header, strlen(header))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	851	{
AzureIoTClient	15:956c6d205aa7	852	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	853	}
AzureIoTClient	15:956c6d205aa7	854	free(header);
AzureIoTClient	15:956c6d205aa7	855	}
AzureIoTClient	15:956c6d205aa7	856	}
AzureIoTClient	11:77df6d7e65ae	857
AzureIoTClient	15:956c6d205aa7	858	//Close headers
AzureIoTClient	15:956c6d205aa7	859	if (result == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	860	{
AzureIoTClient	15:956c6d205aa7	861	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	862	}
AzureIoTClient	15:956c6d205aa7	863	}
AzureIoTClient	15:956c6d205aa7	864	return result;
AzureIoTClient	11:77df6d7e65ae	865	}
AzureIoTClient	11:77df6d7e65ae	866
AzureIoTClient	11:77df6d7e65ae	867	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	13:920e00014ee3	868	static HTTPAPI_RESULT SendContentToXIO(HTTP_HANDLE_DATA* http_instance, const unsigned char* content, size_t contentLength)
AzureIoTClient	11:77df6d7e65ae	869	{
AzureIoTClient	15:956c6d205aa7	870	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	871
AzureIoTClient	15:956c6d205aa7	872	//Send data (if available)
AzureIoTClient	15:956c6d205aa7	873	/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	874	if (content && contentLength > 0)
AzureIoTClient	15:956c6d205aa7	875	{
AzureIoTClient	15:956c6d205aa7	876	/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	877	result = conn_send_all(http_instance, content, contentLength);
AzureIoTClient	15:956c6d205aa7	878	}
AzureIoTClient	15:956c6d205aa7	879	else
AzureIoTClient	15:956c6d205aa7	880	{
AzureIoTClient	15:956c6d205aa7	881	/Codes_SRS_HTTPAPI_COMPACT_21_043: [ If the content is NULL, the HTTPAPI_ExecuteRequest shall send the request without content. ]/
AzureIoTClient	15:956c6d205aa7	882	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	883	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	884	}
AzureIoTClient	15:956c6d205aa7	885	return result;
AzureIoTClient	11:77df6d7e65ae	886	}
AzureIoTClient	11:77df6d7e65ae	887
AzureIoTClient	11:77df6d7e65ae	888	/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	889	static HTTPAPI_RESULT RecieveHeaderFromXIO(HTTP_HANDLE_DATA* http_instance, unsigned int* statusCode)
AzureIoTClient	11:77df6d7e65ae	890	{
AzureIoTClient	15:956c6d205aa7	891	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	892	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	893	int ret;
AzureIoTClient	15:956c6d205aa7	894
AzureIoTClient	15:956c6d205aa7	895	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	896
AzureIoTClient	15:956c6d205aa7	897	//Receive response
AzureIoTClient	15:956c6d205aa7	898	if (readLine(http_instance, buf, TEMP_BUFFER_SIZE) < 0)
AzureIoTClient	15:956c6d205aa7	899	{
AzureIoTClient	15:956c6d205aa7	900	/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	901	/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	902	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	903	}
AzureIoTClient	15:956c6d205aa7	904	//Parse HTTP response
AzureIoTClient	15:956c6d205aa7	905	else if (ParseHttpResponse(buf, &ret) != 1)
AzureIoTClient	15:956c6d205aa7	906	{
AzureIoTClient	15:956c6d205aa7	907	//Cannot match string, error
AzureIoTClient	11:77df6d7e65ae	908	/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	909	LogInfo("Not a correct HTTP answer");
AzureIoTClient	15:956c6d205aa7	910	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	911	}
AzureIoTClient	15:956c6d205aa7	912	else
AzureIoTClient	15:956c6d205aa7	913	{
AzureIoTClient	15:956c6d205aa7	914	/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	915	/Codes_SRS_HTTPAPI_COMPACT_21_048: [ If the statusCode is NULL, the HTTPAPI_ExecuteRequest shall report not report any status. ]/
AzureIoTClient	15:956c6d205aa7	916	if (statusCode)
AzureIoTClient	15:956c6d205aa7	917	{
AzureIoTClient	15:956c6d205aa7	918	/Codes_SRS_HTTPAPI_COMPACT_21_047: [ The HTTPAPI_ExecuteRequest shall report the status in the statusCode parameter. ]/
AzureIoTClient	15:956c6d205aa7	919	*statusCode = ret;
AzureIoTClient	15:956c6d205aa7	920	}
AzureIoTClient	15:956c6d205aa7	921	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	922	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	923	}
AzureIoTClient	11:77df6d7e65ae	924
AzureIoTClient	15:956c6d205aa7	925	return result;
AzureIoTClient	11:77df6d7e65ae	926	}
AzureIoTClient	11:77df6d7e65ae	927
AzureIoTClient	13:920e00014ee3	928	static HTTPAPI_RESULT RecieveContentInfoFromXIO(HTTP_HANDLE_DATA* http_instance, HTTP_HEADERS_HANDLE responseHeadersHandle, size_t* bodyLength, bool* chunked)
AzureIoTClient	11:77df6d7e65ae	929	{
AzureIoTClient	15:956c6d205aa7	930	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	931	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	11:77df6d7e65ae	932	const char* substr;
AzureIoTClient	11:77df6d7e65ae	933	char* whereIsColon;
AzureIoTClient	11:77df6d7e65ae	934	int lengthInMsg;
AzureIoTClient	18:6d8a413a4d9a	935	const char ContentLength[] = "content-length:";
AzureIoTClient	18:6d8a413a4d9a	936	const size_t ContentLengthSize = sizeof(ContentLength) - 1;
AzureIoTClient	18:6d8a413a4d9a	937	const char TransferEncoding[] = "transfer-encoding:";
AzureIoTClient	18:6d8a413a4d9a	938	const size_t TransferEncodingSize = sizeof(TransferEncoding) - 1;
AzureIoTClient	18:6d8a413a4d9a	939	const char Chunked[] = "chunked";
AzureIoTClient	18:6d8a413a4d9a	940	const size_t ChunkedSize = sizeof(Chunked) - 1;
AzureIoTClient	15:956c6d205aa7	941
AzureIoTClient	15:956c6d205aa7	942	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	943
AzureIoTClient	15:956c6d205aa7	944	//Read HTTP response headers
AzureIoTClient	15:956c6d205aa7	945	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	946	{
AzureIoTClient	15:956c6d205aa7	947	/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	948	/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	949	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	950	}
AzureIoTClient	15:956c6d205aa7	951	else
AzureIoTClient	15:956c6d205aa7	952	{
AzureIoTClient	15:956c6d205aa7	953	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	954	result = HTTPAPI_OK;
AzureIoTClient	11:77df6d7e65ae	955
AzureIoTClient	15:956c6d205aa7	956	while (*buf && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	957	{
AzureIoTClient	15:956c6d205aa7	958	if (InternStrnicmp(buf, ContentLength, ContentLengthSize) == 0)
AzureIoTClient	15:956c6d205aa7	959	{
AzureIoTClient	18:6d8a413a4d9a	960	substr = buf + ContentLengthSize;
AzureIoTClient	15:956c6d205aa7	961	if (ParseStringToDecimal(substr, &lengthInMsg) != 1)
AzureIoTClient	15:956c6d205aa7	962	{
AzureIoTClient	15:956c6d205aa7	963	/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	964	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	965	}
AzureIoTClient	15:956c6d205aa7	966	else
AzureIoTClient	15:956c6d205aa7	967	{
AzureIoTClient	15:956c6d205aa7	968	(*bodyLength) = (size_t)lengthInMsg;
AzureIoTClient	15:956c6d205aa7	969	}
AzureIoTClient	15:956c6d205aa7	970	}
AzureIoTClient	15:956c6d205aa7	971	else if (InternStrnicmp(buf, TransferEncoding, TransferEncodingSize) == 0)
AzureIoTClient	15:956c6d205aa7	972	{
AzureIoTClient	18:6d8a413a4d9a	973	substr = buf + TransferEncodingSize;
AzureIoTClient	15:956c6d205aa7	974
AzureIoTClient	15:956c6d205aa7	975	while (isspace(*substr)) substr++;
AzureIoTClient	11:77df6d7e65ae	976
AzureIoTClient	15:956c6d205aa7	977	if (InternStrnicmp(substr, Chunked, ChunkedSize) == 0)
AzureIoTClient	15:956c6d205aa7	978	{
AzureIoTClient	15:956c6d205aa7	979	(*chunked) = true;
AzureIoTClient	15:956c6d205aa7	980	}
AzureIoTClient	15:956c6d205aa7	981	}
AzureIoTClient	11:77df6d7e65ae	982
AzureIoTClient	15:956c6d205aa7	983	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	984	{
AzureIoTClient	15:956c6d205aa7	985	whereIsColon = strchr((char*)buf, ':');
AzureIoTClient	15:956c6d205aa7	986	/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	987	if (whereIsColon && (responseHeadersHandle != NULL))
AzureIoTClient	15:956c6d205aa7	988	{
AzureIoTClient	15:956c6d205aa7	989	*whereIsColon = '\0';
AzureIoTClient	15:956c6d205aa7	990	HTTPHeaders_AddHeaderNameValuePair(responseHeadersHandle, buf, whereIsColon + 1);
AzureIoTClient	15:956c6d205aa7	991	}
AzureIoTClient	11:77df6d7e65ae	992
AzureIoTClient	15:956c6d205aa7	993	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	994	{
AzureIoTClient	15:956c6d205aa7	995	/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	996	/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	997	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	998	}
AzureIoTClient	15:956c6d205aa7	999	}
AzureIoTClient	15:956c6d205aa7	1000	}
AzureIoTClient	15:956c6d205aa7	1001	}
AzureIoTClient	11:77df6d7e65ae	1002
AzureIoTClient	15:956c6d205aa7	1003	return result;
AzureIoTClient	11:77df6d7e65ae	1004	}
AzureIoTClient	11:77df6d7e65ae	1005
AzureIoTClient	13:920e00014ee3	1006	static HTTPAPI_RESULT ReadHTTPResponseBodyFromXIO(HTTP_HANDLE_DATA* http_instance, size_t bodyLength, bool chunked, BUFFER_HANDLE responseContent)
AzureIoTClient	11:77df6d7e65ae	1007	{
AzureIoTClient	15:956c6d205aa7	1008	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	1009	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	1010	const unsigned char* receivedContent;
AzureIoTClient	15:956c6d205aa7	1011
AzureIoTClient	15:956c6d205aa7	1012	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	1013
AzureIoTClient	15:956c6d205aa7	1014	//Read HTTP response body
AzureIoTClient	15:956c6d205aa7	1015	if (!chunked)
AzureIoTClient	15:956c6d205aa7	1016	{
AzureIoTClient	15:956c6d205aa7	1017	if (bodyLength)
AzureIoTClient	15:956c6d205aa7	1018	{
AzureIoTClient	15:956c6d205aa7	1019	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1020	{
AzureIoTClient	15:956c6d205aa7	1021	if (BUFFER_pre_build(responseContent, bodyLength) != 0)
AzureIoTClient	15:956c6d205aa7	1022	{
AzureIoTClient	15:956c6d205aa7	1023	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1024	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1025	}
AzureIoTClient	15:956c6d205aa7	1026	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1027	{
AzureIoTClient	15:956c6d205aa7	1028	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1029
AzureIoTClient	15:956c6d205aa7	1030	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1031	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1032	}
AzureIoTClient	15:956c6d205aa7	1033	else if (readChunk(http_instance, (char*)receivedContent, bodyLength) < 0)
AzureIoTClient	15:956c6d205aa7	1034	{
AzureIoTClient	15:956c6d205aa7	1035	/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	1036	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1037	}
AzureIoTClient	15:956c6d205aa7	1038	else
AzureIoTClient	15:956c6d205aa7	1039	{
AzureIoTClient	15:956c6d205aa7	1040	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1041	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1042	}
AzureIoTClient	15:956c6d205aa7	1043	}
AzureIoTClient	13:920e00014ee3	1044	else
AzureIoTClient	13:920e00014ee3	1045	{
AzureIoTClient	13:920e00014ee3	1046	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	13:920e00014ee3	1047	if (skipN(http_instance, bodyLength) < 0)
AzureIoTClient	13:920e00014ee3	1048	{
AzureIoTClient	15:956c6d205aa7	1049	/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	1050	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	13:920e00014ee3	1051	}
AzureIoTClient	13:920e00014ee3	1052	else
AzureIoTClient	13:920e00014ee3	1053	{
AzureIoTClient	13:920e00014ee3	1054	result = HTTPAPI_OK;
AzureIoTClient	13:920e00014ee3	1055	}
AzureIoTClient	13:920e00014ee3	1056	}
AzureIoTClient	15:956c6d205aa7	1057	}
AzureIoTClient	15:956c6d205aa7	1058	else
AzureIoTClient	15:956c6d205aa7	1059	{
AzureIoTClient	15:956c6d205aa7	1060	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1061	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1062	}
AzureIoTClient	15:956c6d205aa7	1063	}
AzureIoTClient	15:956c6d205aa7	1064	else
AzureIoTClient	15:956c6d205aa7	1065	{
AzureIoTClient	15:956c6d205aa7	1066	size_t size = 0;
AzureIoTClient	15:956c6d205aa7	1067	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1068	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1069	while (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1070	{
AzureIoTClient	15:956c6d205aa7	1071	size_t chunkSize;
AzureIoTClient	15:956c6d205aa7	1072	if (readLine(http_instance, buf, sizeof(buf)) < 0) // read [length in hex]/r/n
AzureIoTClient	15:956c6d205aa7	1073	{
AzureIoTClient	15:956c6d205aa7	1074	/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	1075	/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	1076	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1077	}
AzureIoTClient	15:956c6d205aa7	1078	else if (ParseStringToHexadecimal(buf, &chunkSize) != 1) // chunkSize is length of next line (/r/n is not counted)
AzureIoTClient	15:956c6d205aa7	1079	{
AzureIoTClient	15:956c6d205aa7	1080	//Cannot match string, error
AzureIoTClient	15:956c6d205aa7	1081	/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	1082	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	1083	}
AzureIoTClient	15:956c6d205aa7	1084	else if (chunkSize == 0)
AzureIoTClient	15:956c6d205aa7	1085	{
AzureIoTClient	15:956c6d205aa7	1086	// 0 length means next line is just '\r\n' and end of chunks
AzureIoTClient	15:956c6d205aa7	1087	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1088	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1089	{
AzureIoTClient	15:956c6d205aa7	1090	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1091
AzureIoTClient	15:956c6d205aa7	1092	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1093	}
AzureIoTClient	15:956c6d205aa7	1094	break;
AzureIoTClient	15:956c6d205aa7	1095	}
AzureIoTClient	15:956c6d205aa7	1096	else
AzureIoTClient	15:956c6d205aa7	1097	{
AzureIoTClient	15:956c6d205aa7	1098	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1099	{
AzureIoTClient	15:956c6d205aa7	1100	if (BUFFER_enlarge(responseContent, chunkSize) != 0)
AzureIoTClient	15:956c6d205aa7	1101	{
AzureIoTClient	15:956c6d205aa7	1102	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1103
AzureIoTClient	15:956c6d205aa7	1104	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1105	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1106	}
AzureIoTClient	15:956c6d205aa7	1107	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1108	{
AzureIoTClient	15:956c6d205aa7	1109	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1110
AzureIoTClient	15:956c6d205aa7	1111	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1112	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1113	}
AzureIoTClient	15:956c6d205aa7	1114	else if (readChunk(http_instance, (char*)receivedContent + size, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1115	{
AzureIoTClient	15:956c6d205aa7	1116	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1117	}
AzureIoTClient	15:956c6d205aa7	1118	}
AzureIoTClient	15:956c6d205aa7	1119	else
AzureIoTClient	15:956c6d205aa7	1120	{
AzureIoTClient	15:956c6d205aa7	1121	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	15:956c6d205aa7	1122	if (skipN(http_instance, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1123	{
AzureIoTClient	15:956c6d205aa7	1124	/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	1125	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1126	}
AzureIoTClient	15:956c6d205aa7	1127	}
AzureIoTClient	11:77df6d7e65ae	1128
AzureIoTClient	15:956c6d205aa7	1129	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1130	{
AzureIoTClient	15:956c6d205aa7	1131	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1132	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1133	{
AzureIoTClient	15:956c6d205aa7	1134	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1135	}
AzureIoTClient	15:956c6d205aa7	1136	size += chunkSize;
AzureIoTClient	15:956c6d205aa7	1137	}
AzureIoTClient	15:956c6d205aa7	1138	}
AzureIoTClient	15:956c6d205aa7	1139	}
AzureIoTClient	11:77df6d7e65ae	1140
AzureIoTClient	15:956c6d205aa7	1141	}
AzureIoTClient	15:956c6d205aa7	1142	return result;
AzureIoTClient	11:77df6d7e65ae	1143	}
AzureIoTClient	11:77df6d7e65ae	1144
AzureIoTClient	11:77df6d7e65ae	1145
AzureIoTClient	11:77df6d7e65ae	1146	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	11:77df6d7e65ae	1147	static bool validRequestType(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	1148	{
AzureIoTClient	15:956c6d205aa7	1149	bool result;
AzureIoTClient	11:77df6d7e65ae	1150
AzureIoTClient	15:956c6d205aa7	1151	if ((requestType == HTTPAPI_REQUEST_GET) \|\|
AzureIoTClient	15:956c6d205aa7	1152	(requestType == HTTPAPI_REQUEST_POST) \|\|
AzureIoTClient	15:956c6d205aa7	1153	(requestType == HTTPAPI_REQUEST_PUT) \|\|
AzureIoTClient	15:956c6d205aa7	1154	(requestType == HTTPAPI_REQUEST_DELETE) \|\|
AzureIoTClient	15:956c6d205aa7	1155	(requestType == HTTPAPI_REQUEST_PATCH))
AzureIoTClient	15:956c6d205aa7	1156	{
AzureIoTClient	15:956c6d205aa7	1157	result = true;
AzureIoTClient	15:956c6d205aa7	1158	}
AzureIoTClient	15:956c6d205aa7	1159	else
AzureIoTClient	15:956c6d205aa7	1160	{
AzureIoTClient	15:956c6d205aa7	1161	result = false;
AzureIoTClient	15:956c6d205aa7	1162	}
AzureIoTClient	11:77df6d7e65ae	1163
AzureIoTClient	15:956c6d205aa7	1164	return result;
AzureIoTClient	11:77df6d7e65ae	1165	}
AzureIoTClient	11:77df6d7e65ae	1166
AzureIoTClient	11:77df6d7e65ae	1167	/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	1168	/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	1169	//Note: This function assumes that "Host:" and "Content-Length:" headers are setup
Azure.IoT Build	6:c55b013dfc2a	1170	// by the caller of HTTPAPI_ExecuteRequest() (which is true for httptransport.c).
Azure.IoT Build	6:c55b013dfc2a	1171	HTTPAPI_RESULT HTTPAPI_ExecuteRequest(HTTP_HANDLE handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath,
Azure.IoT Build	6:c55b013dfc2a	1172	HTTP_HEADERS_HANDLE httpHeadersHandle, const unsigned char* content,
Azure.IoT Build	6:c55b013dfc2a	1173	size_t contentLength, unsigned int* statusCode,
Azure.IoT Build	6:c55b013dfc2a	1174	HTTP_HEADERS_HANDLE responseHeadersHandle, BUFFER_HANDLE responseContent)
Azure.IoT Build	6:c55b013dfc2a	1175	{
AzureIoTClient	11:77df6d7e65ae	1176	HTTPAPI_RESULT result = HTTPAPI_ERROR;
Azure.IoT Build	6:c55b013dfc2a	1177	size_t headersCount;
Azure.IoT Build	6:c55b013dfc2a	1178	size_t bodyLength = 0;
Azure.IoT Build	6:c55b013dfc2a	1179	bool chunked = false;
AzureIoTClient	15:956c6d205aa7	1180	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1181
AzureIoTClient	15:956c6d205aa7	1182	/Codes_SRS_HTTPAPI_COMPACT_21_034: [ If there is no previous connection, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1183	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1184	/Codes_SRS_HTTPAPI_COMPACT_21_039: [ If the relativePath is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1185	/Codes_SRS_HTTPAPI_COMPACT_21_041: [ If the httpHeadersHandle is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1186	/Codes_SRS_HTTPAPI_COMPACT_21_053: [ The HTTPAPI_ExecuteRequest shall produce a set of http header to send to the host. ]/
AzureIoTClient	15:956c6d205aa7	1187	/Codes_SRS_HTTPAPI_COMPACT_21_040: [ The request shall contain the http header provided in httpHeadersHandle parameter. ]/
AzureIoTClient	15:956c6d205aa7	1188	/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	1189	if (http_instance == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1190	relativePath == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1191	httpHeadersHandle == NULL \|\|
AzureIoTClient	15:956c6d205aa7	1192	!validRequestType(requestType) \|\|
Azure.IoT Build	6:c55b013dfc2a	1193	HTTPHeaders_GetHeaderCount(httpHeadersHandle, &headersCount) != HTTP_HEADERS_OK)
Azure.IoT Build	6:c55b013dfc2a	1194	{
Azure.IoT Build	6:c55b013dfc2a	1195	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1196	LogError("(result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
Azure.IoT Build	6:c55b013dfc2a	1197	}
AzureIoTClient	15:956c6d205aa7	1198	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	1199	else if ((result = OpenXIOConnection(http_instance)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1200	{
AzureIoTClient	15:956c6d205aa7	1201	LogError("Open HTTP connection failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1202	}
AzureIoTClient	15:956c6d205aa7	1203	/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	1204	else if ((result = SendHeadsToXIO(http_instance, requestType, relativePath, httpHeadersHandle, headersCount)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1205	{
AzureIoTClient	15:956c6d205aa7	1206	LogError("Send heads to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1207	}
AzureIoTClient	15:956c6d205aa7	1208	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	15:956c6d205aa7	1209	else if ((result = SendContentToXIO(http_instance, content, contentLength)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1210	{
AzureIoTClient	15:956c6d205aa7	1211	LogError("Send content to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1212	}
AzureIoTClient	15:956c6d205aa7	1213	/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	1214	/Codes_SRS_HTTPAPI_COMPACT_21_073: [ The message recived by the HTTPAPI_ExecuteRequest shall starts with a valid header. ]/
AzureIoTClient	15:956c6d205aa7	1215	else if ((result = RecieveHeaderFromXIO(http_instance, statusCode)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1216	{
AzureIoTClient	15:956c6d205aa7	1217	LogError("Receive header from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1218	}
AzureIoTClient	15:956c6d205aa7	1219	/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	1220	else if ((result = RecieveContentInfoFromXIO(http_instance, responseHeadersHandle, &bodyLength, &chunked)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1221	{
AzureIoTClient	15:956c6d205aa7	1222	LogError("Receive content information from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1223	}
AzureIoTClient	15:956c6d205aa7	1224	/Codes_SRS_HTTPAPI_COMPACT_21_075: [ The message recieved by the HTTPAPI_ExecuteRequest can contain a body with the message content. ]/
AzureIoTClient	15:956c6d205aa7	1225	else if ((result = ReadHTTPResponseBodyFromXIO(http_instance, bodyLength, chunked, responseContent)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1226	{
AzureIoTClient	15:956c6d205aa7	1227	LogError("Read HTTP response body from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1228	}
Azure.IoT Build	6:c55b013dfc2a	1229
AzureIoTClient	13:920e00014ee3	1230	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	1231
Azure.IoT Build	6:c55b013dfc2a	1232
AzureIoTClient	11:77df6d7e65ae	1233	return result;
AzureIoTClient	11:77df6d7e65ae	1234	}
Azure.IoT Build	6:c55b013dfc2a	1235
AzureIoTClient	11:77df6d7e65ae	1236	/Codes_SRS_HTTPAPI_COMPACT_21_056: [ The HTTPAPI_SetOption shall change the HTTP options. ]/
AzureIoTClient	11:77df6d7e65ae	1237	/Codes_SRS_HTTPAPI_COMPACT_21_057: [ The HTTPAPI_SetOption shall recieve a handle that identiry the HTTP connection. ]/
AzureIoTClient	11:77df6d7e65ae	1238	/Codes_SRS_HTTPAPI_COMPACT_21_058: [ The HTTPAPI_SetOption shall recieve the option as a pair optionName/value. ]/
AzureIoTClient	11:77df6d7e65ae	1239	HTTPAPI_RESULT HTTPAPI_SetOption(HTTP_HANDLE handle, const char* optionName, const void* value)
AzureIoTClient	11:77df6d7e65ae	1240	{
AzureIoTClient	11:77df6d7e65ae	1241	HTTPAPI_RESULT result;
AzureIoTClient	13:920e00014ee3	1242	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1243
AzureIoTClient	15:956c6d205aa7	1244	if (
AzureIoTClient	13:920e00014ee3	1245	(http_instance == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1246	(optionName == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1247	(value == NULL)
AzureIoTClient	11:77df6d7e65ae	1248	)
Azure.IoT Build	6:c55b013dfc2a	1249	{
AzureIoTClient	15:956c6d205aa7	1250	/Codes_SRS_HTTPAPI_COMPACT_21_059: [ If the handle is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1251	/Codes_SRS_HTTPAPI_COMPACT_21_060: [ If the optionName is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1252	/Codes_SRS_HTTPAPI_COMPACT_21_061: [ If the value is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1253	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1254	}
AzureIoTClient	11:77df6d7e65ae	1255	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1256	{
AzureIoTClient	13:920e00014ee3	1257	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	1258	{
AzureIoTClient	13:920e00014ee3	1259	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	1260	}
Azure.IoT Build	6:c55b013dfc2a	1261
AzureIoTClient	11:77df6d7e65ae	1262	int len = (int)strlen((char*)value);
AzureIoTClient	13:920e00014ee3	1263	http_instance->certificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	13:920e00014ee3	1264	if (http_instance->certificate == NULL)
Azure.IoT Build	6:c55b013dfc2a	1265	{
AzureIoTClient	15:956c6d205aa7	1266	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1267	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	11:77df6d7e65ae	1268	LogInfo("unable to allocate memory for the certificate in HTTPAPI_SetOption");
Azure.IoT Build	6:c55b013dfc2a	1269	}
Azure.IoT Build	6:c55b013dfc2a	1270	else
Azure.IoT Build	6:c55b013dfc2a	1271	{
AzureIoTClient	15:956c6d205aa7	1272	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	13:920e00014ee3	1273	(void)strcpy(http_instance->certificate, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1274	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1275	}
Azure.IoT Build	6:c55b013dfc2a	1276	}
AzureIoTClient	15:956c6d205aa7	1277	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1278	{
AzureIoTClient	15:956c6d205aa7	1279	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	1280	{
AzureIoTClient	15:956c6d205aa7	1281	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	1282	}
AzureIoTClient	15:956c6d205aa7	1283
AzureIoTClient	15:956c6d205aa7	1284	int len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1285	http_instance->x509ClientCertificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1286	if (http_instance->x509ClientCertificate == NULL)
AzureIoTClient	15:956c6d205aa7	1287	{
AzureIoTClient	15:956c6d205aa7	1288	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1289	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1290	LogInfo("unable to allocate memory for the client certificate in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1291	}
AzureIoTClient	15:956c6d205aa7	1292	else
AzureIoTClient	15:956c6d205aa7	1293	{
AzureIoTClient	15:956c6d205aa7	1294	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1295	(void)strcpy(http_instance->x509ClientCertificate, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1296	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1297	}
AzureIoTClient	15:956c6d205aa7	1298	}
AzureIoTClient	15:956c6d205aa7	1299	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1300	{
AzureIoTClient	15:956c6d205aa7	1301	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	1302	{
AzureIoTClient	15:956c6d205aa7	1303	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	1304	}
AzureIoTClient	15:956c6d205aa7	1305
AzureIoTClient	15:956c6d205aa7	1306	int len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1307	http_instance->x509ClientPrivateKey = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1308	if (http_instance->x509ClientPrivateKey == NULL)
AzureIoTClient	15:956c6d205aa7	1309	{
AzureIoTClient	15:956c6d205aa7	1310	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1311	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1312	LogInfo("unable to allocate memory for the client private key in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1313	}
AzureIoTClient	15:956c6d205aa7	1314	else
AzureIoTClient	15:956c6d205aa7	1315	{
AzureIoTClient	15:956c6d205aa7	1316	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1317	(void)strcpy(http_instance->x509ClientPrivateKey, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1318	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1319	}
AzureIoTClient	15:956c6d205aa7	1320	}
Azure.IoT Build	6:c55b013dfc2a	1321	else
Azure.IoT Build	6:c55b013dfc2a	1322	{
AzureIoTClient	15:956c6d205aa7	1323	/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	1324	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1325	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1326	}
Azure.IoT Build	6:c55b013dfc2a	1327	return result;
Azure.IoT Build	6:c55b013dfc2a	1328	}
Azure.IoT Build	6:c55b013dfc2a	1329
AzureIoTClient	11:77df6d7e65ae	1330	/Codes_SRS_HTTPAPI_COMPACT_21_065: [ The HTTPAPI_CloneOption shall provide the means to clone the HTTP option. ]/
AzureIoTClient	11:77df6d7e65ae	1331	/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	1332	HTTPAPI_RESULT HTTPAPI_CloneOption(const char* optionName, const void* value, const void** savedValue)
Azure.IoT Build	6:c55b013dfc2a	1333	{
Azure.IoT Build	6:c55b013dfc2a	1334	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	1335	size_t certLen;
AzureIoTClient	11:77df6d7e65ae	1336	char* tempCert;
AzureIoTClient	11:77df6d7e65ae	1337
AzureIoTClient	15:956c6d205aa7	1338	if (
Azure.IoT Build	6:c55b013dfc2a	1339	(optionName == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1340	(value == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1341	(savedValue == NULL)
Azure.IoT Build	6:c55b013dfc2a	1342	)
Azure.IoT Build	6:c55b013dfc2a	1343	{
AzureIoTClient	15:956c6d205aa7	1344	/Codes_SRS_HTTPAPI_COMPACT_21_067: [ If the optionName is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1345	/Codes_SRS_HTTPAPI_COMPACT_21_068: [ If the value is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1346	/Codes_SRS_HTTPAPI_COMPACT_21_069: [ If the savedValue is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1347	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1348	}
Azure.IoT Build	6:c55b013dfc2a	1349	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1350	{
AzureIoTClient	11:77df6d7e65ae	1351	certLen = strlen((const char*)value);
AzureIoTClient	11:77df6d7e65ae	1352	tempCert = (char)malloc((certLen + 1) sizeof(char));
Azure.IoT Build	6:c55b013dfc2a	1353	if (tempCert == NULL)
Azure.IoT Build	6:c55b013dfc2a	1354	{
AzureIoTClient	15:956c6d205aa7	1355	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1356	result = HTTPAPI_ALLOC_FAILED;
Azure.IoT Build	6:c55b013dfc2a	1357	}
Azure.IoT Build	6:c55b013dfc2a	1358	else
Azure.IoT Build	6:c55b013dfc2a	1359	{
AzureIoTClient	15:956c6d205aa7	1360	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1361	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1362	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1363	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1364	}
AzureIoTClient	15:956c6d205aa7	1365	}
AzureIoTClient	15:956c6d205aa7	1366	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1367	{
AzureIoTClient	15:956c6d205aa7	1368	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1369	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1370	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1371	{
AzureIoTClient	15:956c6d205aa7	1372	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1373	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1374	}
AzureIoTClient	15:956c6d205aa7	1375	else
AzureIoTClient	15:956c6d205aa7	1376	{
AzureIoTClient	15:956c6d205aa7	1377	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1378	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1379	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1380	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1381	}
AzureIoTClient	15:956c6d205aa7	1382	}
AzureIoTClient	15:956c6d205aa7	1383	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1384	{
AzureIoTClient	15:956c6d205aa7	1385	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1386	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1387	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1388	{
AzureIoTClient	15:956c6d205aa7	1389	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1390	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1391	}
AzureIoTClient	15:956c6d205aa7	1392	else
AzureIoTClient	15:956c6d205aa7	1393	{
AzureIoTClient	15:956c6d205aa7	1394	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1395	(void)strcpy(tempCert, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1396	*savedValue = tempCert;
Azure.IoT Build	6:c55b013dfc2a	1397	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1398	}
Azure.IoT Build	6:c55b013dfc2a	1399	}
Azure.IoT Build	6:c55b013dfc2a	1400	else
Azure.IoT Build	6:c55b013dfc2a	1401	{
AzureIoTClient	15:956c6d205aa7	1402	/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	1403	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1404	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1405	}
Azure.IoT Build	6:c55b013dfc2a	1406	return result;
Azure.IoT Build	6:c55b013dfc2a	1407	}

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Type:	Library
Created:	22 Aug 2017
Imports:	1
Forks:	0
Commits:	35
Dependents:	0
Dependencies:	0
Followers:	1

httpapi_compact.c@22:10640b226104, 2017-03-10 (annotated)

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