azure_c_shared_utility - Azure IoT common library

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Azure IoT common library

Dependents: STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more

httpapi_compact.c@18:6d8a413a4d9a, 2017-01-13 (annotated)

Committer:: AzureIoTClient
Date:: Fri Jan 13 18:41:15 2017 -0800
Revision:: 18:6d8a413a4d9a
Parent:: 15:956c6d205aa7
Child:: 19:2e0811512ceb

1.1.4

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	#ifdef _CRTDBG_MAP_ALLOC
Azure.IoT Build	6:c55b013dfc2a	6	#include <crtdbg.h>
Azure.IoT Build	6:c55b013dfc2a	7	#endif
Azure.IoT Build	6:c55b013dfc2a	8
Azure.IoT Build	6:c55b013dfc2a	9	#include <stdio.h>
Azure.IoT Build	6:c55b013dfc2a	10	#include <ctype.h>
AzureIoTClient	11:77df6d7e65ae	11	#include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build	6:c55b013dfc2a	12	#include "azure_c_shared_utility/httpheaders.h"
Azure.IoT Build	6:c55b013dfc2a	13	#include "azure_c_shared_utility/crt_abstractions.h"
Azure.IoT Build	6:c55b013dfc2a	14	#include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build	6:c55b013dfc2a	15	#include "azure_c_shared_utility/xio.h"
Azure.IoT Build	6:c55b013dfc2a	16	#include "azure_c_shared_utility/platform.h"
Azure.IoT Build	6:c55b013dfc2a	17	#include "azure_c_shared_utility/tlsio.h"
Azure.IoT Build	6:c55b013dfc2a	18	#include "azure_c_shared_utility/threadapi.h"
AzureIoTClient	15:956c6d205aa7	19	#include "azure_c_shared_utility/shared_util_options.h"
Azure.IoT Build	6:c55b013dfc2a	20	#include <string.h>
AzureIoTClient	7:1af47e3a19b6	21	#include <limits.h>
Azure.IoT Build	6:c55b013dfc2a	22
AzureIoTClient	15:956c6d205aa7	23	/Codes_SRS_HTTPAPI_COMPACT_21_001: [ The httpapi_compact shall implement the methods defined by the `httpapi.h`. ]/
AzureIoTClient	11:77df6d7e65ae	24	/Codes_SRS_HTTPAPI_COMPACT_21_002: [ The httpapi_compact shall support the http requests. ]/
AzureIoTClient	11:77df6d7e65ae	25	/Codes_SRS_HTTPAPI_COMPACT_21_003: [ The httpapi_compact shall return error codes defined by HTTPAPI_RESULT. ]/
AzureIoTClient	11:77df6d7e65ae	26	#include "azure_c_shared_utility/httpapi.h"
AzureIoTClient	11:77df6d7e65ae	27
Azure.IoT Build	6:c55b013dfc2a	28	#define MAX_HOSTNAME 64
AzureIoTClient	11:77df6d7e65ae	29	#define TEMP_BUFFER_SIZE 1024
Azure.IoT Build	6:c55b013dfc2a	30
AzureIoTClient	15:956c6d205aa7	31	/Codes_SRS_HTTPAPI_COMPACT_21_077: [ The HTTPAPI_ExecuteRequest shall wait, at least, 10 seconds for the SSL open process. ]/
AzureIoTClient	15:956c6d205aa7	32	#define MAX_OPEN_RETRY 100
AzureIoTClient	15:956c6d205aa7	33	/Codes_SRS_HTTPAPI_COMPACT_21_084: [ The HTTPAPI_CloseConnection shall wait, at least, 10 seconds for the SSL close process. ]/
AzureIoTClient	15:956c6d205aa7	34	#define MAX_CLOSE_RETRY 100
AzureIoTClient	15:956c6d205aa7	35	/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	36	#define MAX_SEND_RETRY 200
AzureIoTClient	15:956c6d205aa7	37	/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	38	#define MAX_RECEIVE_RETRY 200
AzureIoTClient	15:956c6d205aa7	39	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	40	#define RETRY_INTERVAL_IN_MICROSECONDS 100
Azure.IoT Build	6:c55b013dfc2a	41
Azure.IoT Build	6:c55b013dfc2a	42	DEFINE_ENUM_STRINGS(HTTPAPI_RESULT, HTTPAPI_RESULT_VALUES)
Azure.IoT Build	6:c55b013dfc2a	43
Azure.IoT Build	6:c55b013dfc2a	44	typedef struct HTTP_HANDLE_DATA_TAG
Azure.IoT Build	6:c55b013dfc2a	45	{
Azure.IoT Build	6:c55b013dfc2a	46	char* certificate;
AzureIoTClient	15:956c6d205aa7	47	char* x509ClientCertificate;
AzureIoTClient	15:956c6d205aa7	48	char* x509ClientPrivateKey;
Azure.IoT Build	6:c55b013dfc2a	49	XIO_HANDLE xio_handle;
Azure.IoT Build	6:c55b013dfc2a	50	size_t received_bytes_count;
Azure.IoT Build	6:c55b013dfc2a	51	unsigned char* received_bytes;
Azure.IoT Build	6:c55b013dfc2a	52	unsigned int is_io_error : 1;
Azure.IoT Build	6:c55b013dfc2a	53	unsigned int is_connected : 1;
AzureIoTClient	15:956c6d205aa7	54	unsigned int send_completed : 1;
Azure.IoT Build	6:c55b013dfc2a	55	} HTTP_HANDLE_DATA;
Azure.IoT Build	6:c55b013dfc2a	56
AzureIoTClient	7:1af47e3a19b6	57	/the following function does the same as sscanf(pos2, "%d", &sec)/
AzureIoTClient	7:1af47e3a19b6	58	/this function only exists because some of platforms do not have sscanf. /
AzureIoTClient	7:1af47e3a19b6	59	static int ParseStringToDecimal(const char src, int dst)
AzureIoTClient	7:1af47e3a19b6	60	{
AzureIoTClient	15:956c6d205aa7	61	int result;
AzureIoTClient	7:1af47e3a19b6	62	char* next;
AzureIoTClient	18:6d8a413a4d9a	63	long num = strtol(src, &next, 0);
AzureIoTClient	18:6d8a413a4d9a	64	if (src == next \|\| num < INT_MIN \|\| num > INT_MAX)
AzureIoTClient	7:1af47e3a19b6	65	{
AzureIoTClient	15:956c6d205aa7	66	result = EOF;
AzureIoTClient	7:1af47e3a19b6	67	}
AzureIoTClient	15:956c6d205aa7	68	else
AzureIoTClient	15:956c6d205aa7	69	{
AzureIoTClient	15:956c6d205aa7	70	result = 1;
AzureIoTClient	15:956c6d205aa7	71	}
AzureIoTClient	18:6d8a413a4d9a	72	if (num < INT_MIN) num = INT_MIN;
AzureIoTClient	18:6d8a413a4d9a	73	if (num > INT_MAX) num = INT_MAX;
AzureIoTClient	18:6d8a413a4d9a	74	*dst = (int)num;
AzureIoTClient	11:77df6d7e65ae	75	return result;
AzureIoTClient	7:1af47e3a19b6	76	}
AzureIoTClient	7:1af47e3a19b6	77
AzureIoTClient	7:1af47e3a19b6	78	/the following function does the same as sscanf(pos2, "%x", &sec)/
AzureIoTClient	7:1af47e3a19b6	79	/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	80	#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	81	static int ParseStringToHexadecimal(const char src, size_t dst)
AzureIoTClient	7:1af47e3a19b6	82	{
AzureIoTClient	15:956c6d205aa7	83	int result;
AzureIoTClient	7:1af47e3a19b6	84	int digitVal;
AzureIoTClient	11:77df6d7e65ae	85	if (src == NULL)
AzureIoTClient	15:956c6d205aa7	86	{
AzureIoTClient	15:956c6d205aa7	87	result = EOF;
AzureIoTClient	15:956c6d205aa7	88	}
AzureIoTClient	15:956c6d205aa7	89	else if (HEXA_DIGIT_VAL(*src) == -1)
AzureIoTClient	15:956c6d205aa7	90	{
AzureIoTClient	15:956c6d205aa7	91	result = EOF;
AzureIoTClient	15:956c6d205aa7	92	}
AzureIoTClient	15:956c6d205aa7	93	else
AzureIoTClient	15:956c6d205aa7	94	{
AzureIoTClient	15:956c6d205aa7	95	(*dst) = 0;
AzureIoTClient	15:956c6d205aa7	96	while ((digitVal = HEXA_DIGIT_VAL(*src)) != -1)
AzureIoTClient	15:956c6d205aa7	97	{
AzureIoTClient	15:956c6d205aa7	98	(dst) = 0x10;
AzureIoTClient	15:956c6d205aa7	99	(*dst) += (size_t)digitVal;
AzureIoTClient	15:956c6d205aa7	100	src++;
AzureIoTClient	15:956c6d205aa7	101	}
AzureIoTClient	15:956c6d205aa7	102	result = 1;
AzureIoTClient	15:956c6d205aa7	103	}
AzureIoTClient	11:77df6d7e65ae	104	return result;
AzureIoTClient	7:1af47e3a19b6	105	}
AzureIoTClient	7:1af47e3a19b6	106
AzureIoTClient	7:1af47e3a19b6	107	/the following function does the same as sscanf(buf, "HTTP/%d.%d %d %[^\r\n]", &ret) */
AzureIoTClient	7:1af47e3a19b6	108	/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	109	static int ParseHttpResponse(const char* src, int* dst)
AzureIoTClient	7:1af47e3a19b6	110	{
AzureIoTClient	15:956c6d205aa7	111	int result;
AzureIoTClient	15:956c6d205aa7	112	static const char HTTPPrefix[] = "HTTP/";
AzureIoTClient	11:77df6d7e65ae	113	bool fail;
AzureIoTClient	11:77df6d7e65ae	114	const char* runPrefix;
AzureIoTClient	11:77df6d7e65ae	115
AzureIoTClient	15:956c6d205aa7	116	if ((src == NULL) \|\| (dst == NULL))
AzureIoTClient	15:956c6d205aa7	117	{
AzureIoTClient	15:956c6d205aa7	118	result = EOF;
AzureIoTClient	15:956c6d205aa7	119	}
AzureIoTClient	15:956c6d205aa7	120	else
AzureIoTClient	15:956c6d205aa7	121	{
AzureIoTClient	15:956c6d205aa7	122	fail = false;
AzureIoTClient	15:956c6d205aa7	123	runPrefix = HTTPPrefix;
AzureIoTClient	11:77df6d7e65ae	124
AzureIoTClient	15:956c6d205aa7	125	while((*runPrefix) != '\0')
AzureIoTClient	15:956c6d205aa7	126	{
AzureIoTClient	15:956c6d205aa7	127	if ((runPrefix) != (src))
AzureIoTClient	15:956c6d205aa7	128	{
AzureIoTClient	15:956c6d205aa7	129	fail = true;
AzureIoTClient	15:956c6d205aa7	130	break;
AzureIoTClient	15:956c6d205aa7	131	}
AzureIoTClient	15:956c6d205aa7	132	src++;
AzureIoTClient	15:956c6d205aa7	133	runPrefix++;
AzureIoTClient	15:956c6d205aa7	134	}
AzureIoTClient	7:1af47e3a19b6	135
AzureIoTClient	15:956c6d205aa7	136	if (!fail)
AzureIoTClient	15:956c6d205aa7	137	{
AzureIoTClient	15:956c6d205aa7	138	while ((*src) != '.')
AzureIoTClient	15:956c6d205aa7	139	{
AzureIoTClient	15:956c6d205aa7	140	if ((*src) == '\0')
AzureIoTClient	15:956c6d205aa7	141	{
AzureIoTClient	15:956c6d205aa7	142	fail = true;
AzureIoTClient	11:77df6d7e65ae	143	break;
AzureIoTClient	15:956c6d205aa7	144	}
AzureIoTClient	15:956c6d205aa7	145	src++;
AzureIoTClient	15:956c6d205aa7	146	}
AzureIoTClient	15:956c6d205aa7	147	}
AzureIoTClient	7:1af47e3a19b6	148
AzureIoTClient	15:956c6d205aa7	149	if (!fail)
AzureIoTClient	15:956c6d205aa7	150	{
AzureIoTClient	15:956c6d205aa7	151	while ((*src) != ' ')
AzureIoTClient	15:956c6d205aa7	152	{
AzureIoTClient	15:956c6d205aa7	153	if ((*src) == '\0')
AzureIoTClient	15:956c6d205aa7	154	{
AzureIoTClient	15:956c6d205aa7	155	fail = true;
AzureIoTClient	11:77df6d7e65ae	156	break;
AzureIoTClient	15:956c6d205aa7	157	}
AzureIoTClient	15:956c6d205aa7	158	src++;
AzureIoTClient	15:956c6d205aa7	159	}
AzureIoTClient	15:956c6d205aa7	160	}
AzureIoTClient	7:1af47e3a19b6	161
AzureIoTClient	15:956c6d205aa7	162	if (fail)
AzureIoTClient	15:956c6d205aa7	163	{
AzureIoTClient	15:956c6d205aa7	164	result = EOF;
AzureIoTClient	15:956c6d205aa7	165	}
AzureIoTClient	15:956c6d205aa7	166	else
AzureIoTClient	15:956c6d205aa7	167	{
AzureIoTClient	15:956c6d205aa7	168	result = ParseStringToDecimal(src, dst);
AzureIoTClient	15:956c6d205aa7	169	}
AzureIoTClient	15:956c6d205aa7	170	}
AzureIoTClient	11:77df6d7e65ae	171
AzureIoTClient	11:77df6d7e65ae	172	return result;
AzureIoTClient	7:1af47e3a19b6	173	}
AzureIoTClient	7:1af47e3a19b6	174
Azure.IoT Build	6:c55b013dfc2a	175	HTTPAPI_RESULT HTTPAPI_Init(void)
Azure.IoT Build	6:c55b013dfc2a	176	{
AzureIoTClient	15:956c6d205aa7	177	/Codes_SRS_HTTPAPI_COMPACT_21_004: [ The HTTPAPI_Init shall allocate all memory to control the http protocol. ]/
AzureIoTClient	15:956c6d205aa7	178	/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	179	/**
AzureIoTClient	15:956c6d205aa7	180	* No memory is necessary.
AzureIoTClient	15:956c6d205aa7	181	*/
AzureIoTClient	11:77df6d7e65ae	182
AzureIoTClient	15:956c6d205aa7	183	/Codes_SRS_HTTPAPI_COMPACT_21_006: [ If HTTPAPI_Init succeed allocating all the needed memory, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	184	return HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	185	}
Azure.IoT Build	6:c55b013dfc2a	186
Azure.IoT Build	6:c55b013dfc2a	187	void HTTPAPI_Deinit(void)
Azure.IoT Build	6:c55b013dfc2a	188	{
AzureIoTClient	15:956c6d205aa7	189	/Codes_SRS_HTTPAPI_COMPACT_21_009: [ The HTTPAPI_Init shall release all memory allocated by the httpapi_compact. ]/
AzureIoTClient	15:956c6d205aa7	190	/**
AzureIoTClient	15:956c6d205aa7	191	* No memory was necessary.
AzureIoTClient	15:956c6d205aa7	192	*/
Azure.IoT Build	6:c55b013dfc2a	193	}
Azure.IoT Build	6:c55b013dfc2a	194
AzureIoTClient	11:77df6d7e65ae	195	/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	196	HTTP_HANDLE HTTPAPI_CreateConnection(const char* hostName)
Azure.IoT Build	6:c55b013dfc2a	197	{
AzureIoTClient	13:920e00014ee3	198	HTTP_HANDLE_DATA* http_instance;
AzureIoTClient	11:77df6d7e65ae	199	TLSIO_CONFIG tlsio_config;
Azure.IoT Build	6:c55b013dfc2a	200
AzureIoTClient	15:956c6d205aa7	201	if (hostName == NULL)
AzureIoTClient	15:956c6d205aa7	202	{
AzureIoTClient	15:956c6d205aa7	203	/Codes_SRS_HTTPAPI_COMPACT_21_014: [ If the hostName is NULL, the HTTPAPI_CreateConnection shall return NULL as the handle. ]/
AzureIoTClient	15:956c6d205aa7	204	LogError("Invalid host name. Null hostName parameter.");
AzureIoTClient	15:956c6d205aa7	205	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	206	}
AzureIoTClient	15:956c6d205aa7	207	else if (*hostName == '\0')
AzureIoTClient	15:956c6d205aa7	208	{
AzureIoTClient	15:956c6d205aa7	209	/Codes_SRS_HTTPAPI_COMPACT_21_015: [ If the hostName is empty, the HTTPAPI_CreateConnection shall return NULL as the handle. ]/
AzureIoTClient	15:956c6d205aa7	210	LogError("Invalid host name. Empty string.");
AzureIoTClient	15:956c6d205aa7	211	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	212	}
AzureIoTClient	15:956c6d205aa7	213	else
AzureIoTClient	15:956c6d205aa7	214	{
AzureIoTClient	15:956c6d205aa7	215	http_instance = (HTTP_HANDLE_DATA*)malloc(sizeof(HTTP_HANDLE_DATA));
AzureIoTClient	15:956c6d205aa7	216	/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	217	if (http_instance == NULL)
AzureIoTClient	15:956c6d205aa7	218	{
AzureIoTClient	15:956c6d205aa7	219	LogError("There is no memory to control the http connection");
AzureIoTClient	15:956c6d205aa7	220	}
AzureIoTClient	15:956c6d205aa7	221	else
AzureIoTClient	15:956c6d205aa7	222	{
AzureIoTClient	15:956c6d205aa7	223	tlsio_config.hostname = hostName;
AzureIoTClient	15:956c6d205aa7	224	tlsio_config.port = 443;
AzureIoTClient	15:956c6d205aa7	225
AzureIoTClient	15:956c6d205aa7	226	http_instance->xio_handle = xio_create(platform_get_default_tlsio(), (void*)&tlsio_config);
Azure.IoT Build	6:c55b013dfc2a	227
AzureIoTClient	15:956c6d205aa7	228	/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	229	if (http_instance->xio_handle == NULL)
AzureIoTClient	15:956c6d205aa7	230	{
AzureIoTClient	15:956c6d205aa7	231	LogError("Create connection failed");
AzureIoTClient	15:956c6d205aa7	232	free(http_instance);
AzureIoTClient	15:956c6d205aa7	233	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	234	}
AzureIoTClient	15:956c6d205aa7	235	else
AzureIoTClient	15:956c6d205aa7	236	{
AzureIoTClient	15:956c6d205aa7	237	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	238	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	239	http_instance->received_bytes_count = 0;
AzureIoTClient	15:956c6d205aa7	240	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	241	http_instance->certificate = NULL;
AzureIoTClient	15:956c6d205aa7	242	http_instance->x509ClientCertificate = NULL;
AzureIoTClient	15:956c6d205aa7	243	http_instance->x509ClientPrivateKey = NULL;
AzureIoTClient	15:956c6d205aa7	244	}
AzureIoTClient	15:956c6d205aa7	245	}
AzureIoTClient	15:956c6d205aa7	246	}
AzureIoTClient	11:77df6d7e65ae	247
AzureIoTClient	15:956c6d205aa7	248	/Codes_SRS_HTTPAPI_COMPACT_21_012: [ The HTTPAPI_CreateConnection shall return a non-NULL handle on success. ]/
AzureIoTClient	15:956c6d205aa7	249	return (HTTP_HANDLE)http_instance;
AzureIoTClient	15:956c6d205aa7	250	}
AzureIoTClient	11:77df6d7e65ae	251
AzureIoTClient	15:956c6d205aa7	252	static void on_io_close_complete(void* context)
AzureIoTClient	15:956c6d205aa7	253	{
AzureIoTClient	15:956c6d205aa7	254	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	255
AzureIoTClient	15:956c6d205aa7	256	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	257	{
AzureIoTClient	15:956c6d205aa7	258	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	259	}
Azure.IoT Build	6:c55b013dfc2a	260	}
Azure.IoT Build	6:c55b013dfc2a	261
Azure.IoT Build	6:c55b013dfc2a	262	void HTTPAPI_CloseConnection(HTTP_HANDLE handle)
Azure.IoT Build	6:c55b013dfc2a	263	{
AzureIoTClient	13:920e00014ee3	264	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	265
AzureIoTClient	15:956c6d205aa7	266	/Codes_SRS_HTTPAPI_COMPACT_21_020: [ If the connection handle is NULL, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	267	if (http_instance != NULL)
Azure.IoT Build	6:c55b013dfc2a	268	{
AzureIoTClient	15:956c6d205aa7	269	/Codes_SRS_HTTPAPI_COMPACT_21_019: [ If there is no previous connection, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	270	if (http_instance->xio_handle != NULL)
Azure.IoT Build	6:c55b013dfc2a	271	{
AzureIoTClient	15:956c6d205aa7	272	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	273	/Codes_SRS_HTTPAPI_COMPACT_21_017: [ The HTTPAPI_CloseConnection shall close the connection previously created in HTTPAPI_ExecuteRequest. ]/
AzureIoTClient	15:956c6d205aa7	274	if (xio_close(http_instance->xio_handle, on_io_close_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	275	{
AzureIoTClient	15:956c6d205aa7	276	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	277	/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	278	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	279	}
AzureIoTClient	15:956c6d205aa7	280	else
AzureIoTClient	15:956c6d205aa7	281	{
AzureIoTClient	15:956c6d205aa7	282	/Codes_SRS_HTTPAPI_COMPACT_21_084: [ The HTTPAPI_CloseConnection shall wait, at least, 10 seconds for the SSL close process. ]/
AzureIoTClient	15:956c6d205aa7	283	int countRetry = MAX_CLOSE_RETRY;
AzureIoTClient	15:956c6d205aa7	284	while (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	285	{
AzureIoTClient	15:956c6d205aa7	286	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	287	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	288	{
AzureIoTClient	15:956c6d205aa7	289	/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	290	LogError("Close timeout. The SSL didn't close the connection");
AzureIoTClient	15:956c6d205aa7	291	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	292	}
AzureIoTClient	15:956c6d205aa7	293	else if (http_instance->is_io_error == 1)
AzureIoTClient	15:956c6d205aa7	294	{
AzureIoTClient	15:956c6d205aa7	295	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	296	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	297	}
AzureIoTClient	15:956c6d205aa7	298	else if (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	299	{
AzureIoTClient	15:956c6d205aa7	300	LogInfo("Waiting for TLS close connection");
AzureIoTClient	15:956c6d205aa7	301	/Codes_SRS_HTTPAPI_COMPACT_21_086: [ The HTTPAPI_CloseConnection shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	302	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	303	}
AzureIoTClient	15:956c6d205aa7	304	}
AzureIoTClient	15:956c6d205aa7	305	}
AzureIoTClient	15:956c6d205aa7	306	/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	307	xio_destroy(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	308	}
Azure.IoT Build	6:c55b013dfc2a	309
AzureIoTClient	15:956c6d205aa7	310	/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	311	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	312	{
AzureIoTClient	13:920e00014ee3	313	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	314	}
Azure.IoT Build	6:c55b013dfc2a	315
AzureIoTClient	15:956c6d205aa7	316	/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	317	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	318	{
AzureIoTClient	15:956c6d205aa7	319	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	320	}
AzureIoTClient	15:956c6d205aa7	321
AzureIoTClient	15:956c6d205aa7	322	/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	323	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	324	{
AzureIoTClient	15:956c6d205aa7	325	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	326	}
AzureIoTClient	13:920e00014ee3	327	free(http_instance);
Azure.IoT Build	6:c55b013dfc2a	328	}
Azure.IoT Build	6:c55b013dfc2a	329	}
Azure.IoT Build	6:c55b013dfc2a	330
Azure.IoT Build	6:c55b013dfc2a	331	static void on_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build	6:c55b013dfc2a	332	{
AzureIoTClient	13:920e00014ee3	333	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	334
AzureIoTClient	13:920e00014ee3	335	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	336	{
AzureIoTClient	15:956c6d205aa7	337	if (open_result == IO_OPEN_OK)
AzureIoTClient	15:956c6d205aa7	338	{
AzureIoTClient	15:956c6d205aa7	339	http_instance->is_connected = 1;
AzureIoTClient	15:956c6d205aa7	340	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	341	}
AzureIoTClient	15:956c6d205aa7	342	else
AzureIoTClient	15:956c6d205aa7	343	{
AzureIoTClient	15:956c6d205aa7	344	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	345	}
AzureIoTClient	15:956c6d205aa7	346	}
AzureIoTClient	15:956c6d205aa7	347	}
AzureIoTClient	15:956c6d205aa7	348
AzureIoTClient	15:956c6d205aa7	349	static void on_send_complete(void* context, IO_SEND_RESULT send_result)
AzureIoTClient	15:956c6d205aa7	350	{
AzureIoTClient	15:956c6d205aa7	351	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	352
AzureIoTClient	15:956c6d205aa7	353	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	354	{
AzureIoTClient	15:956c6d205aa7	355	if (send_result == IO_SEND_OK)
AzureIoTClient	15:956c6d205aa7	356	{
AzureIoTClient	15:956c6d205aa7	357	http_instance->send_completed = 1;
AzureIoTClient	15:956c6d205aa7	358	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	359	}
AzureIoTClient	15:956c6d205aa7	360	else
AzureIoTClient	15:956c6d205aa7	361	{
AzureIoTClient	15:956c6d205aa7	362	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	363	}
AzureIoTClient	15:956c6d205aa7	364	}
Azure.IoT Build	6:c55b013dfc2a	365	}
Azure.IoT Build	6:c55b013dfc2a	366
AzureIoTClient	11:77df6d7e65ae	367	#define TOLOWER(c) (((c>='A') && (c<='Z'))?c-'A'+'a':c)
AzureIoTClient	11:77df6d7e65ae	368	static int InternStrnicmp(const char* s1, const char* s2, size_t n)
Azure.IoT Build	6:c55b013dfc2a	369	{
AzureIoTClient	11:77df6d7e65ae	370	int result;
Azure.IoT Build	6:c55b013dfc2a	371
AzureIoTClient	18:6d8a413a4d9a	372	if (s1 == NULL) result = -1;
AzureIoTClient	18:6d8a413a4d9a	373	else if (s2 == NULL) result = 1;
AzureIoTClient	15:956c6d205aa7	374	else
AzureIoTClient	15:956c6d205aa7	375	{
AzureIoTClient	15:956c6d205aa7	376	result = 0;
AzureIoTClient	18:6d8a413a4d9a	377
AzureIoTClient	18:6d8a413a4d9a	378	while(n-- && result == 0)
AzureIoTClient	15:956c6d205aa7	379	{
AzureIoTClient	18:6d8a413a4d9a	380	if (*s1 == 0) result = -1;
AzureIoTClient	18:6d8a413a4d9a	381	else if (*s2 == 0) result = 1;
AzureIoTClient	18:6d8a413a4d9a	382	else
AzureIoTClient	18:6d8a413a4d9a	383	{
Azure.IoT Build	6:c55b013dfc2a	384
AzureIoTClient	18:6d8a413a4d9a	385	result = TOLOWER(s1) - TOLOWER(s2);
AzureIoTClient	18:6d8a413a4d9a	386	++s1;
AzureIoTClient	18:6d8a413a4d9a	387	++s2;
AzureIoTClient	18:6d8a413a4d9a	388	}
Azure.IoT Build	6:c55b013dfc2a	389	}
AzureIoTClient	15:956c6d205aa7	390	}
Azure.IoT Build	6:c55b013dfc2a	391
Azure.IoT Build	6:c55b013dfc2a	392	return result;
Azure.IoT Build	6:c55b013dfc2a	393	}
Azure.IoT Build	6:c55b013dfc2a	394
Azure.IoT Build	6:c55b013dfc2a	395	static void on_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build	6:c55b013dfc2a	396	{
AzureIoTClient	11:77df6d7e65ae	397	unsigned char* new_received_bytes;
AzureIoTClient	13:920e00014ee3	398	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	11:77df6d7e65ae	399
AzureIoTClient	13:920e00014ee3	400	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	401	{
Azure.IoT Build	6:c55b013dfc2a	402
AzureIoTClient	11:77df6d7e65ae	403	if (buffer == NULL)
AzureIoTClient	11:77df6d7e65ae	404	{
AzureIoTClient	13:920e00014ee3	405	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	406	LogError("NULL pointer error");
AzureIoTClient	11:77df6d7e65ae	407	}
AzureIoTClient	11:77df6d7e65ae	408	else
AzureIoTClient	11:77df6d7e65ae	409	{
AzureIoTClient	11:77df6d7e65ae	410	/* Here we got some bytes so we'll buffer them so the receive functions can consumer it */
AzureIoTClient	13:920e00014ee3	411	new_received_bytes = (unsigned char*)realloc(http_instance->received_bytes, http_instance->received_bytes_count + size);
AzureIoTClient	11:77df6d7e65ae	412	if (new_received_bytes == NULL)
AzureIoTClient	11:77df6d7e65ae	413	{
AzureIoTClient	13:920e00014ee3	414	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	415	LogError("Error allocating memory for received data");
AzureIoTClient	11:77df6d7e65ae	416	}
AzureIoTClient	11:77df6d7e65ae	417	else
AzureIoTClient	11:77df6d7e65ae	418	{
AzureIoTClient	13:920e00014ee3	419	http_instance->received_bytes = new_received_bytes;
AzureIoTClient	13:920e00014ee3	420	if (memcpy(http_instance->received_bytes + http_instance->received_bytes_count, buffer, size) == NULL)
AzureIoTClient	11:77df6d7e65ae	421	{
AzureIoTClient	13:920e00014ee3	422	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	423	LogError("Error copping received data to the HTTP bufffer");
AzureIoTClient	11:77df6d7e65ae	424	}
AzureIoTClient	11:77df6d7e65ae	425	else
AzureIoTClient	11:77df6d7e65ae	426	{
AzureIoTClient	13:920e00014ee3	427	http_instance->received_bytes_count += size;
AzureIoTClient	11:77df6d7e65ae	428	}
AzureIoTClient	11:77df6d7e65ae	429	}
AzureIoTClient	11:77df6d7e65ae	430	}
AzureIoTClient	15:956c6d205aa7	431	}
Azure.IoT Build	6:c55b013dfc2a	432	}
Azure.IoT Build	6:c55b013dfc2a	433
Azure.IoT Build	6:c55b013dfc2a	434	static void on_io_error(void* context)
Azure.IoT Build	6:c55b013dfc2a	435	{
AzureIoTClient	13:920e00014ee3	436	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	13:920e00014ee3	437	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	438	{
AzureIoTClient	13:920e00014ee3	439	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	440	LogError("Error signalled by underlying IO");
AzureIoTClient	13:920e00014ee3	441	}
Azure.IoT Build	6:c55b013dfc2a	442	}
Azure.IoT Build	6:c55b013dfc2a	443
Azure.IoT Build	6:c55b013dfc2a	444	static int conn_receive(HTTP_HANDLE_DATA* http_instance, char* buffer, int count)
Azure.IoT Build	6:c55b013dfc2a	445	{
AzureIoTClient	11:77df6d7e65ae	446	int result;
Azure.IoT Build	6:c55b013dfc2a	447
AzureIoTClient	15:956c6d205aa7	448	if ((http_instance == NULL) \|\| (buffer == NULL) \|\| (count < 0))
AzureIoTClient	15:956c6d205aa7	449	{
AzureIoTClient	11:77df6d7e65ae	450	LogError("conn_receive: %s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
Azure.IoT Build	6:c55b013dfc2a	451	result = -1;
AzureIoTClient	15:956c6d205aa7	452	}
AzureIoTClient	15:956c6d205aa7	453	else
AzureIoTClient	15:956c6d205aa7	454	{
AzureIoTClient	15:956c6d205aa7	455	result = 0;
AzureIoTClient	15:956c6d205aa7	456	while (result < count)
AzureIoTClient	15:956c6d205aa7	457	{
AzureIoTClient	15:956c6d205aa7	458	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	459
AzureIoTClient	15:956c6d205aa7	460	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	15:956c6d205aa7	461	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	462	{
AzureIoTClient	13:920e00014ee3	463	LogError("xio reported error on dowork");
Azure.IoT Build	6:c55b013dfc2a	464	result = -1;
AzureIoTClient	15:956c6d205aa7	465	break;
AzureIoTClient	15:956c6d205aa7	466	}
Azure.IoT Build	6:c55b013dfc2a	467
AzureIoTClient	15:956c6d205aa7	468	if (http_instance->received_bytes_count >= (size_t)count)
AzureIoTClient	15:956c6d205aa7	469	{
AzureIoTClient	15:956c6d205aa7	470	/* Consuming bytes from the receive buffer */
AzureIoTClient	15:956c6d205aa7	471	(void)memcpy(buffer, http_instance->received_bytes, count);
AzureIoTClient	15:956c6d205aa7	472	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + count, http_instance->received_bytes_count - count);
AzureIoTClient	15:956c6d205aa7	473	http_instance->received_bytes_count -= count;
Azure.IoT Build	6:c55b013dfc2a	474
AzureIoTClient	15:956c6d205aa7	475	/* we're not reallocating at each consumption so that we don't trash due to byte by byte consumption */
AzureIoTClient	15:956c6d205aa7	476	if (http_instance->received_bytes_count == 0)
AzureIoTClient	15:956c6d205aa7	477	{
AzureIoTClient	15:956c6d205aa7	478	free(http_instance->received_bytes);
AzureIoTClient	15:956c6d205aa7	479	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	480	}
Azure.IoT Build	6:c55b013dfc2a	481
AzureIoTClient	15:956c6d205aa7	482	result = count;
AzureIoTClient	15:956c6d205aa7	483	break;
AzureIoTClient	15:956c6d205aa7	484	}
Azure.IoT Build	6:c55b013dfc2a	485
AzureIoTClient	15:956c6d205aa7	486	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	487	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	488	}
AzureIoTClient	15:956c6d205aa7	489	}
Azure.IoT Build	6:c55b013dfc2a	490
Azure.IoT Build	6:c55b013dfc2a	491	return result;
Azure.IoT Build	6:c55b013dfc2a	492	}
Azure.IoT Build	6:c55b013dfc2a	493
AzureIoTClient	11:77df6d7e65ae	494	static void conn_receive_discard_buffer(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	495	{
AzureIoTClient	13:920e00014ee3	496	if (http_instance != NULL)
AzureIoTClient	11:77df6d7e65ae	497	{
AzureIoTClient	13:920e00014ee3	498	if (http_instance->received_bytes != NULL)
AzureIoTClient	13:920e00014ee3	499	{
AzureIoTClient	13:920e00014ee3	500	free(http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	501	http_instance->received_bytes = NULL;
AzureIoTClient	13:920e00014ee3	502	}
AzureIoTClient	13:920e00014ee3	503	http_instance->received_bytes_count = 0;
AzureIoTClient	11:77df6d7e65ae	504	}
AzureIoTClient	11:77df6d7e65ae	505	}
AzureIoTClient	11:77df6d7e65ae	506
AzureIoTClient	13:920e00014ee3	507	static int readLine(HTTP_HANDLE_DATA* http_instance, char* buf, const size_t maxBufSize)
Azure.IoT Build	6:c55b013dfc2a	508	{
AzureIoTClient	13:920e00014ee3	509	int resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	510
AzureIoTClient	18:6d8a413a4d9a	511	if ((http_instance == NULL) \|\| (buf == NULL) \|\| (maxBufSize == 0))
AzureIoTClient	13:920e00014ee3	512	{
AzureIoTClient	13:920e00014ee3	513	LogError("%s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
AzureIoTClient	13:920e00014ee3	514	resultLineSize = -1;
Azure.IoT Build	6:c55b013dfc2a	515	}
Azure.IoT Build	6:c55b013dfc2a	516	else
Azure.IoT Build	6:c55b013dfc2a	517	{
AzureIoTClient	13:920e00014ee3	518	char* destByte = buf;
AzureIoTClient	15:956c6d205aa7	519	/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	520	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	521	bool endOfSearch = false;
AzureIoTClient	13:920e00014ee3	522	resultLineSize = -1;
AzureIoTClient	13:920e00014ee3	523	while (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	524	{
AzureIoTClient	13:920e00014ee3	525	xio_dowork(http_instance->xio_handle);
AzureIoTClient	13:920e00014ee3	526
AzureIoTClient	13:920e00014ee3	527	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	528	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	529	{
AzureIoTClient	13:920e00014ee3	530	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	531	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	532	}
AzureIoTClient	13:920e00014ee3	533	else
Azure.IoT Build	6:c55b013dfc2a	534	{
AzureIoTClient	13:920e00014ee3	535	unsigned char* receivedByte = http_instance->received_bytes;
AzureIoTClient	13:920e00014ee3	536	while (receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count))
Azure.IoT Build	6:c55b013dfc2a	537	{
AzureIoTClient	13:920e00014ee3	538	if ((*receivedByte) != '\r')
AzureIoTClient	13:920e00014ee3	539	{
AzureIoTClient	13:920e00014ee3	540	(destByte) = (receivedByte);
AzureIoTClient	13:920e00014ee3	541	destByte++;
AzureIoTClient	13:920e00014ee3	542	receivedByte++;
Azure.IoT Build	6:c55b013dfc2a	543
AzureIoTClient	13:920e00014ee3	544	if (destByte >= (buf + maxBufSize - 1))
AzureIoTClient	13:920e00014ee3	545	{
AzureIoTClient	13:920e00014ee3	546	LogError("Received message is bigger than the http buffer");
AzureIoTClient	13:920e00014ee3	547	receivedByte = http_instance->received_bytes + http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	548	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	549	break;
AzureIoTClient	13:920e00014ee3	550	}
AzureIoTClient	13:920e00014ee3	551	}
AzureIoTClient	13:920e00014ee3	552	else
AzureIoTClient	13:920e00014ee3	553	{
AzureIoTClient	13:920e00014ee3	554	receivedByte++;
AzureIoTClient	13:920e00014ee3	555	if ((receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count)) && ((*receivedByte) == '\n'))
AzureIoTClient	13:920e00014ee3	556	{
AzureIoTClient	13:920e00014ee3	557	receivedByte++;
AzureIoTClient	13:920e00014ee3	558	}
AzureIoTClient	13:920e00014ee3	559	(*destByte) = '\0';
AzureIoTClient	13:920e00014ee3	560	resultLineSize = (int)(destByte - buf);
AzureIoTClient	13:920e00014ee3	561	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	562	break;
AzureIoTClient	13:920e00014ee3	563	}
Azure.IoT Build	6:c55b013dfc2a	564	}
Azure.IoT Build	6:c55b013dfc2a	565
AzureIoTClient	13:920e00014ee3	566	http_instance->received_bytes_count -= (receivedByte - http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	567	if (http_instance->received_bytes_count != 0)
AzureIoTClient	13:920e00014ee3	568	{
AzureIoTClient	13:920e00014ee3	569	(void)memmove(http_instance->received_bytes, receivedByte, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	570	}
AzureIoTClient	13:920e00014ee3	571	else
AzureIoTClient	13:920e00014ee3	572	{
AzureIoTClient	13:920e00014ee3	573	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	574	}
Azure.IoT Build	6:c55b013dfc2a	575	}
Azure.IoT Build	6:c55b013dfc2a	576
AzureIoTClient	13:920e00014ee3	577	if (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	578	{
AzureIoTClient	13:920e00014ee3	579	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	580	{
AzureIoTClient	15:956c6d205aa7	581	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	582	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	583	}
AzureIoTClient	13:920e00014ee3	584	else
AzureIoTClient	13:920e00014ee3	585	{
AzureIoTClient	15:956c6d205aa7	586	/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	587	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	588	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	589	}
Azure.IoT Build	6:c55b013dfc2a	590	}
Azure.IoT Build	6:c55b013dfc2a	591	}
Azure.IoT Build	6:c55b013dfc2a	592	}
Azure.IoT Build	6:c55b013dfc2a	593
AzureIoTClient	13:920e00014ee3	594	return resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	595	}
Azure.IoT Build	6:c55b013dfc2a	596
Azure.IoT Build	6:c55b013dfc2a	597	static int readChunk(HTTP_HANDLE_DATA* http_instance, char* buf, size_t size)
Azure.IoT Build	6:c55b013dfc2a	598	{
AzureIoTClient	11:77df6d7e65ae	599	int cur, offset;
Azure.IoT Build	6:c55b013dfc2a	600
Azure.IoT Build	6:c55b013dfc2a	601	// read content with specified length, even if it is received
Azure.IoT Build	6:c55b013dfc2a	602	// only in chunks due to fragmentation in the networking layer.
Azure.IoT Build	6:c55b013dfc2a	603	// returns -1 in case of error.
Azure.IoT Build	6:c55b013dfc2a	604	offset = 0;
AzureIoTClient	11:77df6d7e65ae	605	while (size > (size_t)0)
Azure.IoT Build	6:c55b013dfc2a	606	{
AzureIoTClient	11:77df6d7e65ae	607	cur = conn_receive(http_instance, buf + offset, (int)size);
Azure.IoT Build	6:c55b013dfc2a	608
Azure.IoT Build	6:c55b013dfc2a	609	// end of stream reached
AzureIoTClient	15:956c6d205aa7	610	if (cur == 0)
AzureIoTClient	15:956c6d205aa7	611	{
AzureIoTClient	15:956c6d205aa7	612	break;
AzureIoTClient	15:956c6d205aa7	613	}
Azure.IoT Build	6:c55b013dfc2a	614
Azure.IoT Build	6:c55b013dfc2a	615	// read cur bytes (might be less than requested)
AzureIoTClient	11:77df6d7e65ae	616	size -= (size_t)cur;
Azure.IoT Build	6:c55b013dfc2a	617	offset += cur;
Azure.IoT Build	6:c55b013dfc2a	618	}
Azure.IoT Build	6:c55b013dfc2a	619
Azure.IoT Build	6:c55b013dfc2a	620	return offset;
Azure.IoT Build	6:c55b013dfc2a	621	}
Azure.IoT Build	6:c55b013dfc2a	622
AzureIoTClient	13:920e00014ee3	623	static int skipN(HTTP_HANDLE_DATA* http_instance, size_t n)
Azure.IoT Build	6:c55b013dfc2a	624	{
Azure.IoT Build	6:c55b013dfc2a	625	// read and abandon response content with specified length
Azure.IoT Build	6:c55b013dfc2a	626	// returns -1 in case of error.
AzureIoTClient	13:920e00014ee3	627
AzureIoTClient	13:920e00014ee3	628	int result;
AzureIoTClient	13:920e00014ee3	629
AzureIoTClient	13:920e00014ee3	630	if (http_instance == NULL)
AzureIoTClient	13:920e00014ee3	631	{
AzureIoTClient	13:920e00014ee3	632	LogError("Invalid HTTP instance");
AzureIoTClient	13:920e00014ee3	633	result = -1;
AzureIoTClient	13:920e00014ee3	634	}
AzureIoTClient	13:920e00014ee3	635	else
Azure.IoT Build	6:c55b013dfc2a	636	{
AzureIoTClient	15:956c6d205aa7	637	/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	638	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	639	result = (int)n;
AzureIoTClient	13:920e00014ee3	640	while (n > 0)
AzureIoTClient	13:920e00014ee3	641	{
AzureIoTClient	13:920e00014ee3	642	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	643
AzureIoTClient	13:920e00014ee3	644	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	645	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	646	{
AzureIoTClient	13:920e00014ee3	647	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	648	result = -1;
AzureIoTClient	13:920e00014ee3	649	n = 0;
AzureIoTClient	13:920e00014ee3	650	}
AzureIoTClient	13:920e00014ee3	651	else
AzureIoTClient	13:920e00014ee3	652	{
AzureIoTClient	13:920e00014ee3	653	if (http_instance->received_bytes_count <= n)
AzureIoTClient	13:920e00014ee3	654	{
AzureIoTClient	13:920e00014ee3	655	n -= http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	656	http_instance->received_bytes_count = 0;
AzureIoTClient	13:920e00014ee3	657	}
AzureIoTClient	13:920e00014ee3	658	else
AzureIoTClient	13:920e00014ee3	659	{
AzureIoTClient	13:920e00014ee3	660	http_instance->received_bytes_count -= n;
AzureIoTClient	13:920e00014ee3	661	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + n, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	662	n = 0;
AzureIoTClient	13:920e00014ee3	663	}
AzureIoTClient	13:920e00014ee3	664
AzureIoTClient	13:920e00014ee3	665	if (n > 0)
AzureIoTClient	13:920e00014ee3	666	{
AzureIoTClient	13:920e00014ee3	667	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	668	{
AzureIoTClient	15:956c6d205aa7	669	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	670	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	671	}
AzureIoTClient	13:920e00014ee3	672	else
AzureIoTClient	13:920e00014ee3	673	{
AzureIoTClient	15:956c6d205aa7	674	/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	675	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	676	n = 0;
AzureIoTClient	13:920e00014ee3	677	result = -1;
AzureIoTClient	13:920e00014ee3	678	}
AzureIoTClient	13:920e00014ee3	679	}
AzureIoTClient	13:920e00014ee3	680	}
AzureIoTClient	13:920e00014ee3	681	}
Azure.IoT Build	6:c55b013dfc2a	682	}
Azure.IoT Build	6:c55b013dfc2a	683
AzureIoTClient	13:920e00014ee3	684	return result;
Azure.IoT Build	6:c55b013dfc2a	685	}
Azure.IoT Build	6:c55b013dfc2a	686
AzureIoTClient	11:77df6d7e65ae	687
AzureIoTClient	11:77df6d7e65ae	688	/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	689	static HTTPAPI_RESULT OpenXIOConnection(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	690	{
AzureIoTClient	15:956c6d205aa7	691	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	692
AzureIoTClient	15:956c6d205aa7	693	if (http_instance->is_connected != 0)
AzureIoTClient	15:956c6d205aa7	694	{
AzureIoTClient	15:956c6d205aa7	695	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	696	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	697	}
AzureIoTClient	15:956c6d205aa7	698	else
AzureIoTClient	15:956c6d205aa7	699	{
AzureIoTClient	15:956c6d205aa7	700	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	701
AzureIoTClient	15:956c6d205aa7	702	/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	703	if ((http_instance->certificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	704	(xio_setoption(http_instance->xio_handle, "TrustedCerts", http_instance->certificate) != 0))
AzureIoTClient	15:956c6d205aa7	705	{
AzureIoTClient	15:956c6d205aa7	706	/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	707	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	708	LogInfo("Could not load certificate");
AzureIoTClient	15:956c6d205aa7	709	}
AzureIoTClient	15:956c6d205aa7	710	/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	711	else if ((http_instance->x509ClientCertificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	712	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_CERT, http_instance->x509ClientCertificate) != 0))
AzureIoTClient	15:956c6d205aa7	713	{
AzureIoTClient	15:956c6d205aa7	714	/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	715	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	716	LogInfo("Could not load the client certificate");
AzureIoTClient	15:956c6d205aa7	717	}
AzureIoTClient	15:956c6d205aa7	718	else if ((http_instance->x509ClientPrivateKey != NULL) &&
AzureIoTClient	15:956c6d205aa7	719	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_PRIVATE_KEY, http_instance->x509ClientPrivateKey) != 0))
AzureIoTClient	15:956c6d205aa7	720	{
AzureIoTClient	11:77df6d7e65ae	721
AzureIoTClient	15:956c6d205aa7	722	/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	723	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	724	LogInfo("Could not load the client certificate private key");
AzureIoTClient	15:956c6d205aa7	725	}
AzureIoTClient	15:956c6d205aa7	726	else
AzureIoTClient	15:956c6d205aa7	727	{
AzureIoTClient	15:956c6d205aa7	728	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	729	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	730	{
AzureIoTClient	15:956c6d205aa7	731	/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	732	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	733	}
AzureIoTClient	15:956c6d205aa7	734	else
AzureIoTClient	15:956c6d205aa7	735	{
AzureIoTClient	15:956c6d205aa7	736	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	737	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	738	/Codes_SRS_HTTPAPI_COMPACT_21_077: [ The HTTPAPI_ExecuteRequest shall wait, at least, 10 seconds for the SSL open process. ]/
AzureIoTClient	15:956c6d205aa7	739	int countRetry = MAX_OPEN_RETRY;
AzureIoTClient	15:956c6d205aa7	740	while ((http_instance->is_connected == 0) &&
AzureIoTClient	15:956c6d205aa7	741	(http_instance->is_io_error == 0))
AzureIoTClient	15:956c6d205aa7	742	{
AzureIoTClient	15:956c6d205aa7	743	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	744	LogInfo("Waiting for TLS connection");
AzureIoTClient	15:956c6d205aa7	745	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	746	{
AzureIoTClient	15:956c6d205aa7	747	/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	748	LogError("Open timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	749	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	750	break;
AzureIoTClient	15:956c6d205aa7	751	}
AzureIoTClient	15:956c6d205aa7	752	else
AzureIoTClient	15:956c6d205aa7	753	{
AzureIoTClient	15:956c6d205aa7	754	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	755	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	756	}
AzureIoTClient	15:956c6d205aa7	757	}
AzureIoTClient	15:956c6d205aa7	758	}
AzureIoTClient	15:956c6d205aa7	759	}
AzureIoTClient	15:956c6d205aa7	760	}
AzureIoTClient	11:77df6d7e65ae	761
AzureIoTClient	15:956c6d205aa7	762	if ((http_instance->is_io_error != 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	763	{
AzureIoTClient	15:956c6d205aa7	764	/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	765	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	766	}
AzureIoTClient	15:956c6d205aa7	767
AzureIoTClient	15:956c6d205aa7	768	return result;
AzureIoTClient	15:956c6d205aa7	769	}
AzureIoTClient	15:956c6d205aa7	770
AzureIoTClient	15:956c6d205aa7	771	static HTTPAPI_RESULT conn_send_all(HTTP_HANDLE_DATA* http_instance, const unsigned char* buf, size_t bufLen)
AzureIoTClient	15:956c6d205aa7	772	{
AzureIoTClient	15:956c6d205aa7	773	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	774
AzureIoTClient	15:956c6d205aa7	775	http_instance->send_completed = 0;
AzureIoTClient	15:956c6d205aa7	776	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	777	if (xio_send(http_instance->xio_handle, buf, bufLen, on_send_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	778	{
AzureIoTClient	15:956c6d205aa7	779	/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	780	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	781	}
AzureIoTClient	15:956c6d205aa7	782	else
AzureIoTClient	15:956c6d205aa7	783	{
AzureIoTClient	15:956c6d205aa7	784	/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	785	int countRetry = MAX_SEND_RETRY;
AzureIoTClient	15:956c6d205aa7	786	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	787	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	788	while ((http_instance->send_completed == 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	789	{
AzureIoTClient	15:956c6d205aa7	790	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	791	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	792	{
AzureIoTClient	15:956c6d205aa7	793	/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	794	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	795	}
AzureIoTClient	15:956c6d205aa7	796	else if ((countRetry--) <= 0)
AzureIoTClient	15:956c6d205aa7	797	{
AzureIoTClient	15:956c6d205aa7	798	/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	799	LogError("Send timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	800	/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	801	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	802	}
AzureIoTClient	15:956c6d205aa7	803	else
AzureIoTClient	15:956c6d205aa7	804	{
AzureIoTClient	15:956c6d205aa7	805	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	806	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	807	}
AzureIoTClient	15:956c6d205aa7	808	}
AzureIoTClient	15:956c6d205aa7	809	}
AzureIoTClient	15:956c6d205aa7	810
AzureIoTClient	15:956c6d205aa7	811	return result;
AzureIoTClient	11:77df6d7e65ae	812	}
AzureIoTClient	11:77df6d7e65ae	813
AzureIoTClient	11:77df6d7e65ae	814	/Codes_SRS_HTTPAPI_COMPACT_21_035: [ The HTTPAPI_ExecuteRequest shall execute resquest for types `GET`, `POST`, `PUT`, `DELETE`, `PATCH`. ]/
AzureIoTClient	11:77df6d7e65ae	815	const char httpapiRequestString[5][7] = { "GET", "POST", "PUT", "DELETE", "PATCH" };
AzureIoTClient	11:77df6d7e65ae	816	const char* get_request_type(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	817	{
AzureIoTClient	11:77df6d7e65ae	818	return (const char*)httpapiRequestString[requestType];
AzureIoTClient	11:77df6d7e65ae	819	}
AzureIoTClient	11:77df6d7e65ae	820
AzureIoTClient	11:77df6d7e65ae	821	/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	822	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	823	{
AzureIoTClient	15:956c6d205aa7	824	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	825	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	826	int ret;
AzureIoTClient	11:77df6d7e65ae	827
AzureIoTClient	15:956c6d205aa7	828	//Send request
AzureIoTClient	15:956c6d205aa7	829	/Codes_SRS_HTTPAPI_COMPACT_21_038: [ The HTTPAPI_ExecuteRequest shall execute the resquest for the path in relativePath parameter. ]/
AzureIoTClient	15:956c6d205aa7	830	/Codes_SRS_HTTPAPI_COMPACT_21_036: [ The request type shall be provided in the parameter requestType. ]/
AzureIoTClient	15:956c6d205aa7	831	if (((ret = snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\n", get_request_type(requestType), relativePath)) < 0) \|\|
AzureIoTClient	15:956c6d205aa7	832	(ret >= sizeof(buf)))
AzureIoTClient	15:956c6d205aa7	833	{
AzureIoTClient	15:956c6d205aa7	834	/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	835	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	836	}
AzureIoTClient	15:956c6d205aa7	837	/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	838	else if ((result = conn_send_all(http_instance, (const unsigned char*)buf, strlen(buf))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	839	{
AzureIoTClient	15:956c6d205aa7	840	//Send default headers
AzureIoTClient	15:956c6d205aa7	841	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	842	for (size_t i = 0; ((i < headersCount) && (result == HTTPAPI_OK)); i++)
AzureIoTClient	15:956c6d205aa7	843	{
AzureIoTClient	15:956c6d205aa7	844	char* header;
AzureIoTClient	15:956c6d205aa7	845	if (HTTPHeaders_GetHeader(httpHeadersHandle, i, &header) != HTTP_HEADERS_OK)
AzureIoTClient	15:956c6d205aa7	846	{
AzureIoTClient	15:956c6d205aa7	847	/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	848	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	849	}
AzureIoTClient	15:956c6d205aa7	850	else
AzureIoTClient	15:956c6d205aa7	851	{
AzureIoTClient	15:956c6d205aa7	852	if ((result = conn_send_all(http_instance, (const unsigned char*)header, strlen(header))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	853	{
AzureIoTClient	15:956c6d205aa7	854	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	855	}
AzureIoTClient	15:956c6d205aa7	856	free(header);
AzureIoTClient	15:956c6d205aa7	857	}
AzureIoTClient	15:956c6d205aa7	858	}
AzureIoTClient	11:77df6d7e65ae	859
AzureIoTClient	15:956c6d205aa7	860	//Close headers
AzureIoTClient	15:956c6d205aa7	861	if (result == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	862	{
AzureIoTClient	15:956c6d205aa7	863	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	864	}
AzureIoTClient	15:956c6d205aa7	865	}
AzureIoTClient	15:956c6d205aa7	866	return result;
AzureIoTClient	11:77df6d7e65ae	867	}
AzureIoTClient	11:77df6d7e65ae	868
AzureIoTClient	11:77df6d7e65ae	869	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	13:920e00014ee3	870	static HTTPAPI_RESULT SendContentToXIO(HTTP_HANDLE_DATA* http_instance, const unsigned char* content, size_t contentLength)
AzureIoTClient	11:77df6d7e65ae	871	{
AzureIoTClient	15:956c6d205aa7	872	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	873
AzureIoTClient	15:956c6d205aa7	874	//Send data (if available)
AzureIoTClient	15:956c6d205aa7	875	/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	876	if (content && contentLength > 0)
AzureIoTClient	15:956c6d205aa7	877	{
AzureIoTClient	15:956c6d205aa7	878	/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	879	result = conn_send_all(http_instance, content, contentLength);
AzureIoTClient	15:956c6d205aa7	880	}
AzureIoTClient	15:956c6d205aa7	881	else
AzureIoTClient	15:956c6d205aa7	882	{
AzureIoTClient	15:956c6d205aa7	883	/Codes_SRS_HTTPAPI_COMPACT_21_043: [ If the content is NULL, the HTTPAPI_ExecuteRequest shall send the request without content. ]/
AzureIoTClient	15:956c6d205aa7	884	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	885	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	886	}
AzureIoTClient	15:956c6d205aa7	887	return result;
AzureIoTClient	11:77df6d7e65ae	888	}
AzureIoTClient	11:77df6d7e65ae	889
AzureIoTClient	11:77df6d7e65ae	890	/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	891	static HTTPAPI_RESULT RecieveHeaderFromXIO(HTTP_HANDLE_DATA* http_instance, unsigned int* statusCode)
AzureIoTClient	11:77df6d7e65ae	892	{
AzureIoTClient	15:956c6d205aa7	893	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	894	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	895	int ret;
AzureIoTClient	15:956c6d205aa7	896
AzureIoTClient	15:956c6d205aa7	897	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	898
AzureIoTClient	15:956c6d205aa7	899	//Receive response
AzureIoTClient	15:956c6d205aa7	900	if (readLine(http_instance, buf, TEMP_BUFFER_SIZE) < 0)
AzureIoTClient	15:956c6d205aa7	901	{
AzureIoTClient	15:956c6d205aa7	902	/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	903	/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	904	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	905	}
AzureIoTClient	15:956c6d205aa7	906	//Parse HTTP response
AzureIoTClient	15:956c6d205aa7	907	else if (ParseHttpResponse(buf, &ret) != 1)
AzureIoTClient	15:956c6d205aa7	908	{
AzureIoTClient	15:956c6d205aa7	909	//Cannot match string, error
AzureIoTClient	11:77df6d7e65ae	910	/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	911	LogInfo("Not a correct HTTP answer");
AzureIoTClient	15:956c6d205aa7	912	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	913	}
AzureIoTClient	15:956c6d205aa7	914	else
AzureIoTClient	15:956c6d205aa7	915	{
AzureIoTClient	15:956c6d205aa7	916	/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	917	/Codes_SRS_HTTPAPI_COMPACT_21_048: [ If the statusCode is NULL, the HTTPAPI_ExecuteRequest shall report not report any status. ]/
AzureIoTClient	15:956c6d205aa7	918	if (statusCode)
AzureIoTClient	15:956c6d205aa7	919	{
AzureIoTClient	15:956c6d205aa7	920	/Codes_SRS_HTTPAPI_COMPACT_21_047: [ The HTTPAPI_ExecuteRequest shall report the status in the statusCode parameter. ]/
AzureIoTClient	15:956c6d205aa7	921	*statusCode = ret;
AzureIoTClient	15:956c6d205aa7	922	}
AzureIoTClient	15:956c6d205aa7	923	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	924	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	925	}
AzureIoTClient	11:77df6d7e65ae	926
AzureIoTClient	15:956c6d205aa7	927	return result;
AzureIoTClient	11:77df6d7e65ae	928	}
AzureIoTClient	11:77df6d7e65ae	929
AzureIoTClient	13:920e00014ee3	930	static HTTPAPI_RESULT RecieveContentInfoFromXIO(HTTP_HANDLE_DATA* http_instance, HTTP_HEADERS_HANDLE responseHeadersHandle, size_t* bodyLength, bool* chunked)
AzureIoTClient	11:77df6d7e65ae	931	{
AzureIoTClient	15:956c6d205aa7	932	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	933	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	11:77df6d7e65ae	934	const char* substr;
AzureIoTClient	11:77df6d7e65ae	935	char* whereIsColon;
AzureIoTClient	11:77df6d7e65ae	936	int lengthInMsg;
AzureIoTClient	18:6d8a413a4d9a	937	const char ContentLength[] = "content-length:";
AzureIoTClient	18:6d8a413a4d9a	938	const size_t ContentLengthSize = sizeof(ContentLength) - 1;
AzureIoTClient	18:6d8a413a4d9a	939	const char TransferEncoding[] = "transfer-encoding:";
AzureIoTClient	18:6d8a413a4d9a	940	const size_t TransferEncodingSize = sizeof(TransferEncoding) - 1;
AzureIoTClient	18:6d8a413a4d9a	941	const char Chunked[] = "chunked";
AzureIoTClient	18:6d8a413a4d9a	942	const size_t ChunkedSize = sizeof(Chunked) - 1;
AzureIoTClient	15:956c6d205aa7	943
AzureIoTClient	15:956c6d205aa7	944	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	945
AzureIoTClient	15:956c6d205aa7	946	//Read HTTP response headers
AzureIoTClient	15:956c6d205aa7	947	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	948	{
AzureIoTClient	15:956c6d205aa7	949	/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	950	/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	951	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	952	}
AzureIoTClient	15:956c6d205aa7	953	else
AzureIoTClient	15:956c6d205aa7	954	{
AzureIoTClient	15:956c6d205aa7	955	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	956	result = HTTPAPI_OK;
AzureIoTClient	11:77df6d7e65ae	957
AzureIoTClient	15:956c6d205aa7	958	while (*buf && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	959	{
AzureIoTClient	15:956c6d205aa7	960	if (InternStrnicmp(buf, ContentLength, ContentLengthSize) == 0)
AzureIoTClient	15:956c6d205aa7	961	{
AzureIoTClient	18:6d8a413a4d9a	962	substr = buf + ContentLengthSize;
AzureIoTClient	15:956c6d205aa7	963	if (ParseStringToDecimal(substr, &lengthInMsg) != 1)
AzureIoTClient	15:956c6d205aa7	964	{
AzureIoTClient	15:956c6d205aa7	965	/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	966	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	967	}
AzureIoTClient	15:956c6d205aa7	968	else
AzureIoTClient	15:956c6d205aa7	969	{
AzureIoTClient	15:956c6d205aa7	970	(*bodyLength) = (size_t)lengthInMsg;
AzureIoTClient	15:956c6d205aa7	971	}
AzureIoTClient	15:956c6d205aa7	972	}
AzureIoTClient	15:956c6d205aa7	973	else if (InternStrnicmp(buf, TransferEncoding, TransferEncodingSize) == 0)
AzureIoTClient	15:956c6d205aa7	974	{
AzureIoTClient	18:6d8a413a4d9a	975	substr = buf + TransferEncodingSize;
AzureIoTClient	15:956c6d205aa7	976
AzureIoTClient	15:956c6d205aa7	977	while (isspace(*substr)) substr++;
AzureIoTClient	11:77df6d7e65ae	978
AzureIoTClient	15:956c6d205aa7	979	if (InternStrnicmp(substr, Chunked, ChunkedSize) == 0)
AzureIoTClient	15:956c6d205aa7	980	{
AzureIoTClient	15:956c6d205aa7	981	(*chunked) = true;
AzureIoTClient	15:956c6d205aa7	982	}
AzureIoTClient	15:956c6d205aa7	983	}
AzureIoTClient	11:77df6d7e65ae	984
AzureIoTClient	15:956c6d205aa7	985	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	986	{
AzureIoTClient	15:956c6d205aa7	987	whereIsColon = strchr((char*)buf, ':');
AzureIoTClient	15:956c6d205aa7	988	/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	989	if (whereIsColon && (responseHeadersHandle != NULL))
AzureIoTClient	15:956c6d205aa7	990	{
AzureIoTClient	15:956c6d205aa7	991	*whereIsColon = '\0';
AzureIoTClient	15:956c6d205aa7	992	HTTPHeaders_AddHeaderNameValuePair(responseHeadersHandle, buf, whereIsColon + 1);
AzureIoTClient	15:956c6d205aa7	993	}
AzureIoTClient	11:77df6d7e65ae	994
AzureIoTClient	15:956c6d205aa7	995	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	996	{
AzureIoTClient	15:956c6d205aa7	997	/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	998	/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	999	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1000	}
AzureIoTClient	15:956c6d205aa7	1001	}
AzureIoTClient	15:956c6d205aa7	1002	}
AzureIoTClient	15:956c6d205aa7	1003	}
AzureIoTClient	11:77df6d7e65ae	1004
AzureIoTClient	15:956c6d205aa7	1005	return result;
AzureIoTClient	11:77df6d7e65ae	1006	}
AzureIoTClient	11:77df6d7e65ae	1007
AzureIoTClient	13:920e00014ee3	1008	static HTTPAPI_RESULT ReadHTTPResponseBodyFromXIO(HTTP_HANDLE_DATA* http_instance, size_t bodyLength, bool chunked, BUFFER_HANDLE responseContent)
AzureIoTClient	11:77df6d7e65ae	1009	{
AzureIoTClient	15:956c6d205aa7	1010	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	1011	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	1012	const unsigned char* receivedContent;
AzureIoTClient	15:956c6d205aa7	1013
AzureIoTClient	15:956c6d205aa7	1014	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	1015
AzureIoTClient	15:956c6d205aa7	1016	//Read HTTP response body
AzureIoTClient	15:956c6d205aa7	1017	if (!chunked)
AzureIoTClient	15:956c6d205aa7	1018	{
AzureIoTClient	15:956c6d205aa7	1019	if (bodyLength)
AzureIoTClient	15:956c6d205aa7	1020	{
AzureIoTClient	15:956c6d205aa7	1021	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1022	{
AzureIoTClient	15:956c6d205aa7	1023	if (BUFFER_pre_build(responseContent, bodyLength) != 0)
AzureIoTClient	15:956c6d205aa7	1024	{
AzureIoTClient	15:956c6d205aa7	1025	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1026	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1027	}
AzureIoTClient	15:956c6d205aa7	1028	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1029	{
AzureIoTClient	15:956c6d205aa7	1030	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1031
AzureIoTClient	15:956c6d205aa7	1032	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1033	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1034	}
AzureIoTClient	15:956c6d205aa7	1035	else if (readChunk(http_instance, (char*)receivedContent, bodyLength) < 0)
AzureIoTClient	15:956c6d205aa7	1036	{
AzureIoTClient	15:956c6d205aa7	1037	/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	1038	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1039	}
AzureIoTClient	15:956c6d205aa7	1040	else
AzureIoTClient	15:956c6d205aa7	1041	{
AzureIoTClient	15:956c6d205aa7	1042	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1043	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1044	}
AzureIoTClient	15:956c6d205aa7	1045	}
AzureIoTClient	13:920e00014ee3	1046	else
AzureIoTClient	13:920e00014ee3	1047	{
AzureIoTClient	13:920e00014ee3	1048	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	13:920e00014ee3	1049	if (skipN(http_instance, bodyLength) < 0)
AzureIoTClient	13:920e00014ee3	1050	{
AzureIoTClient	15:956c6d205aa7	1051	/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	1052	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	13:920e00014ee3	1053	}
AzureIoTClient	13:920e00014ee3	1054	else
AzureIoTClient	13:920e00014ee3	1055	{
AzureIoTClient	13:920e00014ee3	1056	result = HTTPAPI_OK;
AzureIoTClient	13:920e00014ee3	1057	}
AzureIoTClient	13:920e00014ee3	1058	}
AzureIoTClient	15:956c6d205aa7	1059	}
AzureIoTClient	15:956c6d205aa7	1060	else
AzureIoTClient	15:956c6d205aa7	1061	{
AzureIoTClient	15:956c6d205aa7	1062	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1063	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1064	}
AzureIoTClient	15:956c6d205aa7	1065	}
AzureIoTClient	15:956c6d205aa7	1066	else
AzureIoTClient	15:956c6d205aa7	1067	{
AzureIoTClient	15:956c6d205aa7	1068	size_t size = 0;
AzureIoTClient	15:956c6d205aa7	1069	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1070	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1071	while (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1072	{
AzureIoTClient	15:956c6d205aa7	1073	size_t chunkSize;
AzureIoTClient	15:956c6d205aa7	1074	if (readLine(http_instance, buf, sizeof(buf)) < 0) // read [length in hex]/r/n
AzureIoTClient	15:956c6d205aa7	1075	{
AzureIoTClient	15:956c6d205aa7	1076	/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	1077	/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	1078	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1079	}
AzureIoTClient	15:956c6d205aa7	1080	else if (ParseStringToHexadecimal(buf, &chunkSize) != 1) // chunkSize is length of next line (/r/n is not counted)
AzureIoTClient	15:956c6d205aa7	1081	{
AzureIoTClient	15:956c6d205aa7	1082	//Cannot match string, error
AzureIoTClient	15:956c6d205aa7	1083	/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	1084	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	1085	}
AzureIoTClient	15:956c6d205aa7	1086	else if (chunkSize == 0)
AzureIoTClient	15:956c6d205aa7	1087	{
AzureIoTClient	15:956c6d205aa7	1088	// 0 length means next line is just '\r\n' and end of chunks
AzureIoTClient	15:956c6d205aa7	1089	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1090	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1091	{
AzureIoTClient	15:956c6d205aa7	1092	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1093
AzureIoTClient	15:956c6d205aa7	1094	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1095	}
AzureIoTClient	15:956c6d205aa7	1096	break;
AzureIoTClient	15:956c6d205aa7	1097	}
AzureIoTClient	15:956c6d205aa7	1098	else
AzureIoTClient	15:956c6d205aa7	1099	{
AzureIoTClient	15:956c6d205aa7	1100	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1101	{
AzureIoTClient	15:956c6d205aa7	1102	if (BUFFER_enlarge(responseContent, chunkSize) != 0)
AzureIoTClient	15:956c6d205aa7	1103	{
AzureIoTClient	15:956c6d205aa7	1104	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1105
AzureIoTClient	15:956c6d205aa7	1106	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1107	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1108	}
AzureIoTClient	15:956c6d205aa7	1109	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1110	{
AzureIoTClient	15:956c6d205aa7	1111	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1112
AzureIoTClient	15:956c6d205aa7	1113	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1114	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1115	}
AzureIoTClient	15:956c6d205aa7	1116	else if (readChunk(http_instance, (char*)receivedContent + size, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1117	{
AzureIoTClient	15:956c6d205aa7	1118	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1119	}
AzureIoTClient	15:956c6d205aa7	1120	}
AzureIoTClient	15:956c6d205aa7	1121	else
AzureIoTClient	15:956c6d205aa7	1122	{
AzureIoTClient	15:956c6d205aa7	1123	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	15:956c6d205aa7	1124	if (skipN(http_instance, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1125	{
AzureIoTClient	15:956c6d205aa7	1126	/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	1127	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1128	}
AzureIoTClient	15:956c6d205aa7	1129	}
AzureIoTClient	11:77df6d7e65ae	1130
AzureIoTClient	15:956c6d205aa7	1131	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1132	{
AzureIoTClient	15:956c6d205aa7	1133	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1134	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1135	{
AzureIoTClient	15:956c6d205aa7	1136	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1137	}
AzureIoTClient	15:956c6d205aa7	1138	size += chunkSize;
AzureIoTClient	15:956c6d205aa7	1139	}
AzureIoTClient	15:956c6d205aa7	1140	}
AzureIoTClient	15:956c6d205aa7	1141	}
AzureIoTClient	11:77df6d7e65ae	1142
AzureIoTClient	15:956c6d205aa7	1143	}
AzureIoTClient	15:956c6d205aa7	1144	return result;
AzureIoTClient	11:77df6d7e65ae	1145	}
AzureIoTClient	11:77df6d7e65ae	1146
AzureIoTClient	11:77df6d7e65ae	1147
AzureIoTClient	11:77df6d7e65ae	1148	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	11:77df6d7e65ae	1149	static bool validRequestType(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	1150	{
AzureIoTClient	15:956c6d205aa7	1151	bool result;
AzureIoTClient	11:77df6d7e65ae	1152
AzureIoTClient	15:956c6d205aa7	1153	if ((requestType == HTTPAPI_REQUEST_GET) \|\|
AzureIoTClient	15:956c6d205aa7	1154	(requestType == HTTPAPI_REQUEST_POST) \|\|
AzureIoTClient	15:956c6d205aa7	1155	(requestType == HTTPAPI_REQUEST_PUT) \|\|
AzureIoTClient	15:956c6d205aa7	1156	(requestType == HTTPAPI_REQUEST_DELETE) \|\|
AzureIoTClient	15:956c6d205aa7	1157	(requestType == HTTPAPI_REQUEST_PATCH))
AzureIoTClient	15:956c6d205aa7	1158	{
AzureIoTClient	15:956c6d205aa7	1159	result = true;
AzureIoTClient	15:956c6d205aa7	1160	}
AzureIoTClient	15:956c6d205aa7	1161	else
AzureIoTClient	15:956c6d205aa7	1162	{
AzureIoTClient	15:956c6d205aa7	1163	result = false;
AzureIoTClient	15:956c6d205aa7	1164	}
AzureIoTClient	11:77df6d7e65ae	1165
AzureIoTClient	15:956c6d205aa7	1166	return result;
AzureIoTClient	11:77df6d7e65ae	1167	}
AzureIoTClient	11:77df6d7e65ae	1168
AzureIoTClient	11:77df6d7e65ae	1169	/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	1170	/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	1171	//Note: This function assumes that "Host:" and "Content-Length:" headers are setup
Azure.IoT Build	6:c55b013dfc2a	1172	// by the caller of HTTPAPI_ExecuteRequest() (which is true for httptransport.c).
Azure.IoT Build	6:c55b013dfc2a	1173	HTTPAPI_RESULT HTTPAPI_ExecuteRequest(HTTP_HANDLE handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath,
Azure.IoT Build	6:c55b013dfc2a	1174	HTTP_HEADERS_HANDLE httpHeadersHandle, const unsigned char* content,
Azure.IoT Build	6:c55b013dfc2a	1175	size_t contentLength, unsigned int* statusCode,
Azure.IoT Build	6:c55b013dfc2a	1176	HTTP_HEADERS_HANDLE responseHeadersHandle, BUFFER_HANDLE responseContent)
Azure.IoT Build	6:c55b013dfc2a	1177	{
AzureIoTClient	11:77df6d7e65ae	1178	HTTPAPI_RESULT result = HTTPAPI_ERROR;
Azure.IoT Build	6:c55b013dfc2a	1179	size_t headersCount;
Azure.IoT Build	6:c55b013dfc2a	1180	size_t bodyLength = 0;
Azure.IoT Build	6:c55b013dfc2a	1181	bool chunked = false;
AzureIoTClient	15:956c6d205aa7	1182	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1183
AzureIoTClient	15:956c6d205aa7	1184	/Codes_SRS_HTTPAPI_COMPACT_21_034: [ If there is no previous connection, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1185	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1186	/Codes_SRS_HTTPAPI_COMPACT_21_039: [ If the relativePath is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1187	/Codes_SRS_HTTPAPI_COMPACT_21_041: [ If the httpHeadersHandle is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1188	/Codes_SRS_HTTPAPI_COMPACT_21_053: [ The HTTPAPI_ExecuteRequest shall produce a set of http header to send to the host. ]/
AzureIoTClient	15:956c6d205aa7	1189	/Codes_SRS_HTTPAPI_COMPACT_21_040: [ The request shall contain the http header provided in httpHeadersHandle parameter. ]/
AzureIoTClient	15:956c6d205aa7	1190	/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	1191	if (http_instance == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1192	relativePath == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1193	httpHeadersHandle == NULL \|\|
AzureIoTClient	15:956c6d205aa7	1194	!validRequestType(requestType) \|\|
Azure.IoT Build	6:c55b013dfc2a	1195	HTTPHeaders_GetHeaderCount(httpHeadersHandle, &headersCount) != HTTP_HEADERS_OK)
Azure.IoT Build	6:c55b013dfc2a	1196	{
Azure.IoT Build	6:c55b013dfc2a	1197	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1198	LogError("(result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
Azure.IoT Build	6:c55b013dfc2a	1199	}
AzureIoTClient	15:956c6d205aa7	1200	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	1201	else if ((result = OpenXIOConnection(http_instance)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1202	{
AzureIoTClient	15:956c6d205aa7	1203	LogError("Open HTTP connection failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1204	}
AzureIoTClient	15:956c6d205aa7	1205	/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	1206	else if ((result = SendHeadsToXIO(http_instance, requestType, relativePath, httpHeadersHandle, headersCount)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1207	{
AzureIoTClient	15:956c6d205aa7	1208	LogError("Send heads to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1209	}
AzureIoTClient	15:956c6d205aa7	1210	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	15:956c6d205aa7	1211	else if ((result = SendContentToXIO(http_instance, content, contentLength)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1212	{
AzureIoTClient	15:956c6d205aa7	1213	LogError("Send content to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1214	}
AzureIoTClient	15:956c6d205aa7	1215	/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	1216	/Codes_SRS_HTTPAPI_COMPACT_21_073: [ The message recived by the HTTPAPI_ExecuteRequest shall starts with a valid header. ]/
AzureIoTClient	15:956c6d205aa7	1217	else if ((result = RecieveHeaderFromXIO(http_instance, statusCode)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1218	{
AzureIoTClient	15:956c6d205aa7	1219	LogError("Receive header from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1220	}
AzureIoTClient	15:956c6d205aa7	1221	/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	1222	else if ((result = RecieveContentInfoFromXIO(http_instance, responseHeadersHandle, &bodyLength, &chunked)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1223	{
AzureIoTClient	15:956c6d205aa7	1224	LogError("Receive content information from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1225	}
AzureIoTClient	15:956c6d205aa7	1226	/Codes_SRS_HTTPAPI_COMPACT_21_075: [ The message recieved by the HTTPAPI_ExecuteRequest can contain a body with the message content. ]/
AzureIoTClient	15:956c6d205aa7	1227	else if ((result = ReadHTTPResponseBodyFromXIO(http_instance, bodyLength, chunked, responseContent)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1228	{
AzureIoTClient	15:956c6d205aa7	1229	LogError("Read HTTP response body from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1230	}
Azure.IoT Build	6:c55b013dfc2a	1231
AzureIoTClient	13:920e00014ee3	1232	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	1233
Azure.IoT Build	6:c55b013dfc2a	1234
AzureIoTClient	11:77df6d7e65ae	1235	return result;
AzureIoTClient	11:77df6d7e65ae	1236	}
Azure.IoT Build	6:c55b013dfc2a	1237
AzureIoTClient	11:77df6d7e65ae	1238	/Codes_SRS_HTTPAPI_COMPACT_21_056: [ The HTTPAPI_SetOption shall change the HTTP options. ]/
AzureIoTClient	11:77df6d7e65ae	1239	/Codes_SRS_HTTPAPI_COMPACT_21_057: [ The HTTPAPI_SetOption shall recieve a handle that identiry the HTTP connection. ]/
AzureIoTClient	11:77df6d7e65ae	1240	/Codes_SRS_HTTPAPI_COMPACT_21_058: [ The HTTPAPI_SetOption shall recieve the option as a pair optionName/value. ]/
AzureIoTClient	11:77df6d7e65ae	1241	HTTPAPI_RESULT HTTPAPI_SetOption(HTTP_HANDLE handle, const char* optionName, const void* value)
AzureIoTClient	11:77df6d7e65ae	1242	{
AzureIoTClient	11:77df6d7e65ae	1243	HTTPAPI_RESULT result;
AzureIoTClient	13:920e00014ee3	1244	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1245
AzureIoTClient	15:956c6d205aa7	1246	if (
AzureIoTClient	13:920e00014ee3	1247	(http_instance == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1248	(optionName == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1249	(value == NULL)
AzureIoTClient	11:77df6d7e65ae	1250	)
Azure.IoT Build	6:c55b013dfc2a	1251	{
AzureIoTClient	15:956c6d205aa7	1252	/Codes_SRS_HTTPAPI_COMPACT_21_059: [ If the handle is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1253	/Codes_SRS_HTTPAPI_COMPACT_21_060: [ If the optionName is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1254	/Codes_SRS_HTTPAPI_COMPACT_21_061: [ If the value is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1255	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1256	}
AzureIoTClient	11:77df6d7e65ae	1257	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1258	{
AzureIoTClient	13:920e00014ee3	1259	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	1260	{
AzureIoTClient	13:920e00014ee3	1261	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	1262	}
Azure.IoT Build	6:c55b013dfc2a	1263
AzureIoTClient	11:77df6d7e65ae	1264	int len = (int)strlen((char*)value);
AzureIoTClient	13:920e00014ee3	1265	http_instance->certificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	13:920e00014ee3	1266	if (http_instance->certificate == NULL)
Azure.IoT Build	6:c55b013dfc2a	1267	{
AzureIoTClient	15:956c6d205aa7	1268	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1269	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	11:77df6d7e65ae	1270	LogInfo("unable to allocate memory for the certificate in HTTPAPI_SetOption");
Azure.IoT Build	6:c55b013dfc2a	1271	}
Azure.IoT Build	6:c55b013dfc2a	1272	else
Azure.IoT Build	6:c55b013dfc2a	1273	{
AzureIoTClient	15:956c6d205aa7	1274	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	13:920e00014ee3	1275	(void)strcpy(http_instance->certificate, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1276	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1277	}
Azure.IoT Build	6:c55b013dfc2a	1278	}
AzureIoTClient	15:956c6d205aa7	1279	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1280	{
AzureIoTClient	15:956c6d205aa7	1281	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	1282	{
AzureIoTClient	15:956c6d205aa7	1283	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	1284	}
AzureIoTClient	15:956c6d205aa7	1285
AzureIoTClient	15:956c6d205aa7	1286	int len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1287	http_instance->x509ClientCertificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1288	if (http_instance->x509ClientCertificate == NULL)
AzureIoTClient	15:956c6d205aa7	1289	{
AzureIoTClient	15:956c6d205aa7	1290	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1291	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1292	LogInfo("unable to allocate memory for the client certificate in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1293	}
AzureIoTClient	15:956c6d205aa7	1294	else
AzureIoTClient	15:956c6d205aa7	1295	{
AzureIoTClient	15:956c6d205aa7	1296	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1297	(void)strcpy(http_instance->x509ClientCertificate, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1298	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1299	}
AzureIoTClient	15:956c6d205aa7	1300	}
AzureIoTClient	15:956c6d205aa7	1301	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1302	{
AzureIoTClient	15:956c6d205aa7	1303	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	1304	{
AzureIoTClient	15:956c6d205aa7	1305	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	1306	}
AzureIoTClient	15:956c6d205aa7	1307
AzureIoTClient	15:956c6d205aa7	1308	int len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1309	http_instance->x509ClientPrivateKey = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1310	if (http_instance->x509ClientPrivateKey == NULL)
AzureIoTClient	15:956c6d205aa7	1311	{
AzureIoTClient	15:956c6d205aa7	1312	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1313	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1314	LogInfo("unable to allocate memory for the client private key in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1315	}
AzureIoTClient	15:956c6d205aa7	1316	else
AzureIoTClient	15:956c6d205aa7	1317	{
AzureIoTClient	15:956c6d205aa7	1318	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1319	(void)strcpy(http_instance->x509ClientPrivateKey, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1320	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1321	}
AzureIoTClient	15:956c6d205aa7	1322	}
Azure.IoT Build	6:c55b013dfc2a	1323	else
Azure.IoT Build	6:c55b013dfc2a	1324	{
AzureIoTClient	15:956c6d205aa7	1325	/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	1326	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1327	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1328	}
Azure.IoT Build	6:c55b013dfc2a	1329	return result;
Azure.IoT Build	6:c55b013dfc2a	1330	}
Azure.IoT Build	6:c55b013dfc2a	1331
AzureIoTClient	11:77df6d7e65ae	1332	/Codes_SRS_HTTPAPI_COMPACT_21_065: [ The HTTPAPI_CloneOption shall provide the means to clone the HTTP option. ]/
AzureIoTClient	11:77df6d7e65ae	1333	/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	1334	HTTPAPI_RESULT HTTPAPI_CloneOption(const char* optionName, const void* value, const void** savedValue)
Azure.IoT Build	6:c55b013dfc2a	1335	{
Azure.IoT Build	6:c55b013dfc2a	1336	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	1337	size_t certLen;
AzureIoTClient	11:77df6d7e65ae	1338	char* tempCert;
AzureIoTClient	11:77df6d7e65ae	1339
AzureIoTClient	15:956c6d205aa7	1340	if (
Azure.IoT Build	6:c55b013dfc2a	1341	(optionName == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1342	(value == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1343	(savedValue == NULL)
Azure.IoT Build	6:c55b013dfc2a	1344	)
Azure.IoT Build	6:c55b013dfc2a	1345	{
AzureIoTClient	15:956c6d205aa7	1346	/Codes_SRS_HTTPAPI_COMPACT_21_067: [ If the optionName is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1347	/Codes_SRS_HTTPAPI_COMPACT_21_068: [ If the value is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1348	/Codes_SRS_HTTPAPI_COMPACT_21_069: [ If the savedValue is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1349	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1350	}
Azure.IoT Build	6:c55b013dfc2a	1351	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1352	{
AzureIoTClient	11:77df6d7e65ae	1353	certLen = strlen((const char*)value);
AzureIoTClient	11:77df6d7e65ae	1354	tempCert = (char)malloc((certLen + 1) sizeof(char));
Azure.IoT Build	6:c55b013dfc2a	1355	if (tempCert == NULL)
Azure.IoT Build	6:c55b013dfc2a	1356	{
AzureIoTClient	15:956c6d205aa7	1357	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1358	result = HTTPAPI_ALLOC_FAILED;
Azure.IoT Build	6:c55b013dfc2a	1359	}
Azure.IoT Build	6:c55b013dfc2a	1360	else
Azure.IoT Build	6:c55b013dfc2a	1361	{
AzureIoTClient	15:956c6d205aa7	1362	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1363	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1364	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1365	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1366	}
AzureIoTClient	15:956c6d205aa7	1367	}
AzureIoTClient	15:956c6d205aa7	1368	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1369	{
AzureIoTClient	15:956c6d205aa7	1370	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1371	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1372	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1373	{
AzureIoTClient	15:956c6d205aa7	1374	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1375	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1376	}
AzureIoTClient	15:956c6d205aa7	1377	else
AzureIoTClient	15:956c6d205aa7	1378	{
AzureIoTClient	15:956c6d205aa7	1379	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1380	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1381	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1382	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1383	}
AzureIoTClient	15:956c6d205aa7	1384	}
AzureIoTClient	15:956c6d205aa7	1385	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1386	{
AzureIoTClient	15:956c6d205aa7	1387	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1388	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1389	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1390	{
AzureIoTClient	15:956c6d205aa7	1391	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1392	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1393	}
AzureIoTClient	15:956c6d205aa7	1394	else
AzureIoTClient	15:956c6d205aa7	1395	{
AzureIoTClient	15:956c6d205aa7	1396	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1397	(void)strcpy(tempCert, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1398	*savedValue = tempCert;
Azure.IoT Build	6:c55b013dfc2a	1399	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1400	}
Azure.IoT Build	6:c55b013dfc2a	1401	}
Azure.IoT Build	6:c55b013dfc2a	1402	else
Azure.IoT Build	6:c55b013dfc2a	1403	{
AzureIoTClient	15:956c6d205aa7	1404	/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	1405	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1406	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1407	}
Azure.IoT Build	6:c55b013dfc2a	1408	return result;
Azure.IoT Build	6:c55b013dfc2a	1409	}

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

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Azure IoT

Dan Cristoloveanu

The code in this repository is MIT licensed.

httpapi_compact.c@18:6d8a413a4d9a, 2017-01-13 (annotated)

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