azure_c_shared_utility - Azure IoT common library

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Azure IoT common library

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httpapi_compact.c@27:8656a313842b, 2017-05-22 (annotated)

Committer:: AzureIoTClient
Date:: Mon May 22 10:35:55 2017 -0700
Revision:: 27:8656a313842b
Parent:: 22:10640b226104
Child:: 29:e3ed192c35fb

1.1.15

Who changed what in which revision?

User	Revision	Line number	New contents of line
Azure.IoT Build	6:c55b013dfc2a	1	// Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build	6:c55b013dfc2a	2	// Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build	6:c55b013dfc2a	3
Azure.IoT Build	6:c55b013dfc2a	4	#include <stdlib.h>
Azure.IoT Build	6:c55b013dfc2a	5	#include <stdio.h>
Azure.IoT Build	6:c55b013dfc2a	6	#include <ctype.h>
AzureIoTClient	19:2e0811512ceb	7	#include <string.h>
AzureIoTClient	19:2e0811512ceb	8	#include <limits.h>
AzureIoTClient	11:77df6d7e65ae	9	#include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build	6:c55b013dfc2a	10	#include "azure_c_shared_utility/httpheaders.h"
Azure.IoT Build	6:c55b013dfc2a	11	#include "azure_c_shared_utility/crt_abstractions.h"
Azure.IoT Build	6:c55b013dfc2a	12	#include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build	6:c55b013dfc2a	13	#include "azure_c_shared_utility/xio.h"
Azure.IoT Build	6:c55b013dfc2a	14	#include "azure_c_shared_utility/platform.h"
Azure.IoT Build	6:c55b013dfc2a	15	#include "azure_c_shared_utility/tlsio.h"
Azure.IoT Build	6:c55b013dfc2a	16	#include "azure_c_shared_utility/threadapi.h"
AzureIoTClient	15:956c6d205aa7	17	#include "azure_c_shared_utility/shared_util_options.h"
Azure.IoT Build	6:c55b013dfc2a	18
AzureIoTClient	27:8656a313842b	19	#ifdef _MSC_VER
AzureIoTClient	27:8656a313842b	20	#define snprintf _snprintf
AzureIoTClient	27:8656a313842b	21	#endif
AzureIoTClient	27:8656a313842b	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	22:10640b226104	225	tlsio_config.underlying_io_interface = NULL;
AzureIoTClient	22:10640b226104	226	tlsio_config.underlying_io_parameters = NULL;
AzureIoTClient	15:956c6d205aa7	227
AzureIoTClient	15:956c6d205aa7	228	http_instance->xio_handle = xio_create(platform_get_default_tlsio(), (void*)&tlsio_config);
Azure.IoT Build	6:c55b013dfc2a	229
AzureIoTClient	15:956c6d205aa7	230	/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	231	if (http_instance->xio_handle == NULL)
AzureIoTClient	15:956c6d205aa7	232	{
AzureIoTClient	15:956c6d205aa7	233	LogError("Create connection failed");
AzureIoTClient	15:956c6d205aa7	234	free(http_instance);
AzureIoTClient	15:956c6d205aa7	235	http_instance = NULL;
AzureIoTClient	15:956c6d205aa7	236	}
AzureIoTClient	15:956c6d205aa7	237	else
AzureIoTClient	15:956c6d205aa7	238	{
AzureIoTClient	15:956c6d205aa7	239	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	240	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	241	http_instance->received_bytes_count = 0;
AzureIoTClient	15:956c6d205aa7	242	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	243	http_instance->certificate = NULL;
AzureIoTClient	15:956c6d205aa7	244	http_instance->x509ClientCertificate = NULL;
AzureIoTClient	15:956c6d205aa7	245	http_instance->x509ClientPrivateKey = NULL;
AzureIoTClient	15:956c6d205aa7	246	}
AzureIoTClient	15:956c6d205aa7	247	}
AzureIoTClient	15:956c6d205aa7	248	}
AzureIoTClient	11:77df6d7e65ae	249
AzureIoTClient	15:956c6d205aa7	250	/Codes_SRS_HTTPAPI_COMPACT_21_012: [ The HTTPAPI_CreateConnection shall return a non-NULL handle on success. ]/
AzureIoTClient	15:956c6d205aa7	251	return (HTTP_HANDLE)http_instance;
AzureIoTClient	15:956c6d205aa7	252	}
AzureIoTClient	11:77df6d7e65ae	253
AzureIoTClient	15:956c6d205aa7	254	static void on_io_close_complete(void* context)
AzureIoTClient	15:956c6d205aa7	255	{
AzureIoTClient	15:956c6d205aa7	256	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	257
AzureIoTClient	15:956c6d205aa7	258	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	259	{
AzureIoTClient	15:956c6d205aa7	260	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	261	}
Azure.IoT Build	6:c55b013dfc2a	262	}
Azure.IoT Build	6:c55b013dfc2a	263
Azure.IoT Build	6:c55b013dfc2a	264	void HTTPAPI_CloseConnection(HTTP_HANDLE handle)
Azure.IoT Build	6:c55b013dfc2a	265	{
AzureIoTClient	13:920e00014ee3	266	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	267
AzureIoTClient	15:956c6d205aa7	268	/Codes_SRS_HTTPAPI_COMPACT_21_020: [ If the connection handle is NULL, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	269	if (http_instance != NULL)
Azure.IoT Build	6:c55b013dfc2a	270	{
AzureIoTClient	15:956c6d205aa7	271	/Codes_SRS_HTTPAPI_COMPACT_21_019: [ If there is no previous connection, the HTTPAPI_CloseConnection shall not do anything. ]/
AzureIoTClient	15:956c6d205aa7	272	if (http_instance->xio_handle != NULL)
Azure.IoT Build	6:c55b013dfc2a	273	{
AzureIoTClient	15:956c6d205aa7	274	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	275	/Codes_SRS_HTTPAPI_COMPACT_21_017: [ The HTTPAPI_CloseConnection shall close the connection previously created in HTTPAPI_ExecuteRequest. ]/
AzureIoTClient	15:956c6d205aa7	276	if (xio_close(http_instance->xio_handle, on_io_close_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	277	{
AzureIoTClient	15:956c6d205aa7	278	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	279	/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	280	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	281	}
AzureIoTClient	15:956c6d205aa7	282	else
AzureIoTClient	15:956c6d205aa7	283	{
AzureIoTClient	15:956c6d205aa7	284	/Codes_SRS_HTTPAPI_COMPACT_21_084: [ The HTTPAPI_CloseConnection shall wait, at least, 10 seconds for the SSL close process. ]/
AzureIoTClient	15:956c6d205aa7	285	int countRetry = MAX_CLOSE_RETRY;
AzureIoTClient	15:956c6d205aa7	286	while (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	287	{
AzureIoTClient	15:956c6d205aa7	288	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	289	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	290	{
AzureIoTClient	15:956c6d205aa7	291	/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	292	LogError("Close timeout. The SSL didn't close the connection");
AzureIoTClient	15:956c6d205aa7	293	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	294	}
AzureIoTClient	15:956c6d205aa7	295	else if (http_instance->is_io_error == 1)
AzureIoTClient	15:956c6d205aa7	296	{
AzureIoTClient	15:956c6d205aa7	297	LogError("The SSL got error closing the connection");
AzureIoTClient	15:956c6d205aa7	298	http_instance->is_connected = 0;
AzureIoTClient	15:956c6d205aa7	299	}
AzureIoTClient	15:956c6d205aa7	300	else if (http_instance->is_connected == 1)
AzureIoTClient	15:956c6d205aa7	301	{
AzureIoTClient	15:956c6d205aa7	302	LogInfo("Waiting for TLS close connection");
AzureIoTClient	15:956c6d205aa7	303	/Codes_SRS_HTTPAPI_COMPACT_21_086: [ The HTTPAPI_CloseConnection shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	304	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	305	}
AzureIoTClient	15:956c6d205aa7	306	}
AzureIoTClient	15:956c6d205aa7	307	}
AzureIoTClient	15:956c6d205aa7	308	/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	309	xio_destroy(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	310	}
Azure.IoT Build	6:c55b013dfc2a	311
AzureIoTClient	15:956c6d205aa7	312	/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	313	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	314	{
AzureIoTClient	13:920e00014ee3	315	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	316	}
Azure.IoT Build	6:c55b013dfc2a	317
AzureIoTClient	15:956c6d205aa7	318	/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	319	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	320	{
AzureIoTClient	15:956c6d205aa7	321	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	322	}
AzureIoTClient	15:956c6d205aa7	323
AzureIoTClient	15:956c6d205aa7	324	/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	325	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	326	{
AzureIoTClient	15:956c6d205aa7	327	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	328	}
AzureIoTClient	13:920e00014ee3	329	free(http_instance);
Azure.IoT Build	6:c55b013dfc2a	330	}
Azure.IoT Build	6:c55b013dfc2a	331	}
Azure.IoT Build	6:c55b013dfc2a	332
Azure.IoT Build	6:c55b013dfc2a	333	static void on_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build	6:c55b013dfc2a	334	{
AzureIoTClient	13:920e00014ee3	335	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	336
AzureIoTClient	13:920e00014ee3	337	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	338	{
AzureIoTClient	15:956c6d205aa7	339	if (open_result == IO_OPEN_OK)
AzureIoTClient	15:956c6d205aa7	340	{
AzureIoTClient	15:956c6d205aa7	341	http_instance->is_connected = 1;
AzureIoTClient	15:956c6d205aa7	342	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	343	}
AzureIoTClient	15:956c6d205aa7	344	else
AzureIoTClient	15:956c6d205aa7	345	{
AzureIoTClient	15:956c6d205aa7	346	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	347	}
AzureIoTClient	15:956c6d205aa7	348	}
AzureIoTClient	15:956c6d205aa7	349	}
AzureIoTClient	15:956c6d205aa7	350
AzureIoTClient	15:956c6d205aa7	351	static void on_send_complete(void* context, IO_SEND_RESULT send_result)
AzureIoTClient	15:956c6d205aa7	352	{
AzureIoTClient	15:956c6d205aa7	353	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	15:956c6d205aa7	354
AzureIoTClient	15:956c6d205aa7	355	if (http_instance != NULL)
AzureIoTClient	15:956c6d205aa7	356	{
AzureIoTClient	15:956c6d205aa7	357	if (send_result == IO_SEND_OK)
AzureIoTClient	15:956c6d205aa7	358	{
AzureIoTClient	15:956c6d205aa7	359	http_instance->send_completed = 1;
AzureIoTClient	15:956c6d205aa7	360	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	361	}
AzureIoTClient	15:956c6d205aa7	362	else
AzureIoTClient	15:956c6d205aa7	363	{
AzureIoTClient	15:956c6d205aa7	364	http_instance->is_io_error = 1;
AzureIoTClient	15:956c6d205aa7	365	}
AzureIoTClient	15:956c6d205aa7	366	}
Azure.IoT Build	6:c55b013dfc2a	367	}
Azure.IoT Build	6:c55b013dfc2a	368
AzureIoTClient	11:77df6d7e65ae	369	#define TOLOWER(c) (((c>='A') && (c<='Z'))?c-'A'+'a':c)
AzureIoTClient	11:77df6d7e65ae	370	static int InternStrnicmp(const char* s1, const char* s2, size_t n)
Azure.IoT Build	6:c55b013dfc2a	371	{
AzureIoTClient	11:77df6d7e65ae	372	int result;
Azure.IoT Build	6:c55b013dfc2a	373
AzureIoTClient	18:6d8a413a4d9a	374	if (s1 == NULL) result = -1;
AzureIoTClient	18:6d8a413a4d9a	375	else if (s2 == NULL) result = 1;
AzureIoTClient	15:956c6d205aa7	376	else
AzureIoTClient	15:956c6d205aa7	377	{
AzureIoTClient	15:956c6d205aa7	378	result = 0;
AzureIoTClient	18:6d8a413a4d9a	379
AzureIoTClient	18:6d8a413a4d9a	380	while(n-- && result == 0)
AzureIoTClient	15:956c6d205aa7	381	{
AzureIoTClient	18:6d8a413a4d9a	382	if (*s1 == 0) result = -1;
AzureIoTClient	18:6d8a413a4d9a	383	else if (*s2 == 0) result = 1;
AzureIoTClient	18:6d8a413a4d9a	384	else
AzureIoTClient	18:6d8a413a4d9a	385	{
Azure.IoT Build	6:c55b013dfc2a	386
AzureIoTClient	18:6d8a413a4d9a	387	result = TOLOWER(s1) - TOLOWER(s2);
AzureIoTClient	18:6d8a413a4d9a	388	++s1;
AzureIoTClient	18:6d8a413a4d9a	389	++s2;
AzureIoTClient	18:6d8a413a4d9a	390	}
Azure.IoT Build	6:c55b013dfc2a	391	}
AzureIoTClient	15:956c6d205aa7	392	}
Azure.IoT Build	6:c55b013dfc2a	393
Azure.IoT Build	6:c55b013dfc2a	394	return result;
Azure.IoT Build	6:c55b013dfc2a	395	}
Azure.IoT Build	6:c55b013dfc2a	396
Azure.IoT Build	6:c55b013dfc2a	397	static void on_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build	6:c55b013dfc2a	398	{
AzureIoTClient	11:77df6d7e65ae	399	unsigned char* new_received_bytes;
AzureIoTClient	13:920e00014ee3	400	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	11:77df6d7e65ae	401
AzureIoTClient	13:920e00014ee3	402	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	403	{
Azure.IoT Build	6:c55b013dfc2a	404
AzureIoTClient	11:77df6d7e65ae	405	if (buffer == NULL)
AzureIoTClient	11:77df6d7e65ae	406	{
AzureIoTClient	13:920e00014ee3	407	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	408	LogError("NULL pointer error");
AzureIoTClient	11:77df6d7e65ae	409	}
AzureIoTClient	11:77df6d7e65ae	410	else
AzureIoTClient	11:77df6d7e65ae	411	{
AzureIoTClient	11:77df6d7e65ae	412	/* Here we got some bytes so we'll buffer them so the receive functions can consumer it */
AzureIoTClient	13:920e00014ee3	413	new_received_bytes = (unsigned char*)realloc(http_instance->received_bytes, http_instance->received_bytes_count + size);
AzureIoTClient	11:77df6d7e65ae	414	if (new_received_bytes == NULL)
AzureIoTClient	11:77df6d7e65ae	415	{
AzureIoTClient	13:920e00014ee3	416	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	417	LogError("Error allocating memory for received data");
AzureIoTClient	11:77df6d7e65ae	418	}
AzureIoTClient	11:77df6d7e65ae	419	else
AzureIoTClient	11:77df6d7e65ae	420	{
AzureIoTClient	13:920e00014ee3	421	http_instance->received_bytes = new_received_bytes;
AzureIoTClient	13:920e00014ee3	422	if (memcpy(http_instance->received_bytes + http_instance->received_bytes_count, buffer, size) == NULL)
AzureIoTClient	11:77df6d7e65ae	423	{
AzureIoTClient	13:920e00014ee3	424	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	425	LogError("Error copping received data to the HTTP bufffer");
AzureIoTClient	11:77df6d7e65ae	426	}
AzureIoTClient	11:77df6d7e65ae	427	else
AzureIoTClient	11:77df6d7e65ae	428	{
AzureIoTClient	13:920e00014ee3	429	http_instance->received_bytes_count += size;
AzureIoTClient	11:77df6d7e65ae	430	}
AzureIoTClient	11:77df6d7e65ae	431	}
AzureIoTClient	11:77df6d7e65ae	432	}
AzureIoTClient	15:956c6d205aa7	433	}
Azure.IoT Build	6:c55b013dfc2a	434	}
Azure.IoT Build	6:c55b013dfc2a	435
Azure.IoT Build	6:c55b013dfc2a	436	static void on_io_error(void* context)
Azure.IoT Build	6:c55b013dfc2a	437	{
AzureIoTClient	13:920e00014ee3	438	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)context;
AzureIoTClient	13:920e00014ee3	439	if (http_instance != NULL)
AzureIoTClient	13:920e00014ee3	440	{
AzureIoTClient	13:920e00014ee3	441	http_instance->is_io_error = 1;
AzureIoTClient	13:920e00014ee3	442	LogError("Error signalled by underlying IO");
AzureIoTClient	13:920e00014ee3	443	}
Azure.IoT Build	6:c55b013dfc2a	444	}
Azure.IoT Build	6:c55b013dfc2a	445
Azure.IoT Build	6:c55b013dfc2a	446	static int conn_receive(HTTP_HANDLE_DATA* http_instance, char* buffer, int count)
Azure.IoT Build	6:c55b013dfc2a	447	{
AzureIoTClient	11:77df6d7e65ae	448	int result;
Azure.IoT Build	6:c55b013dfc2a	449
AzureIoTClient	15:956c6d205aa7	450	if ((http_instance == NULL) \|\| (buffer == NULL) \|\| (count < 0))
AzureIoTClient	15:956c6d205aa7	451	{
AzureIoTClient	11:77df6d7e65ae	452	LogError("conn_receive: %s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
Azure.IoT Build	6:c55b013dfc2a	453	result = -1;
AzureIoTClient	15:956c6d205aa7	454	}
AzureIoTClient	15:956c6d205aa7	455	else
AzureIoTClient	15:956c6d205aa7	456	{
AzureIoTClient	15:956c6d205aa7	457	result = 0;
AzureIoTClient	15:956c6d205aa7	458	while (result < count)
AzureIoTClient	15:956c6d205aa7	459	{
AzureIoTClient	15:956c6d205aa7	460	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	461
AzureIoTClient	15:956c6d205aa7	462	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	15:956c6d205aa7	463	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	464	{
AzureIoTClient	13:920e00014ee3	465	LogError("xio reported error on dowork");
Azure.IoT Build	6:c55b013dfc2a	466	result = -1;
AzureIoTClient	15:956c6d205aa7	467	break;
AzureIoTClient	15:956c6d205aa7	468	}
Azure.IoT Build	6:c55b013dfc2a	469
AzureIoTClient	15:956c6d205aa7	470	if (http_instance->received_bytes_count >= (size_t)count)
AzureIoTClient	15:956c6d205aa7	471	{
AzureIoTClient	15:956c6d205aa7	472	/* Consuming bytes from the receive buffer */
AzureIoTClient	15:956c6d205aa7	473	(void)memcpy(buffer, http_instance->received_bytes, count);
AzureIoTClient	15:956c6d205aa7	474	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + count, http_instance->received_bytes_count - count);
AzureIoTClient	15:956c6d205aa7	475	http_instance->received_bytes_count -= count;
Azure.IoT Build	6:c55b013dfc2a	476
AzureIoTClient	15:956c6d205aa7	477	/* we're not reallocating at each consumption so that we don't trash due to byte by byte consumption */
AzureIoTClient	15:956c6d205aa7	478	if (http_instance->received_bytes_count == 0)
AzureIoTClient	15:956c6d205aa7	479	{
AzureIoTClient	15:956c6d205aa7	480	free(http_instance->received_bytes);
AzureIoTClient	15:956c6d205aa7	481	http_instance->received_bytes = NULL;
AzureIoTClient	15:956c6d205aa7	482	}
Azure.IoT Build	6:c55b013dfc2a	483
AzureIoTClient	15:956c6d205aa7	484	result = count;
AzureIoTClient	15:956c6d205aa7	485	break;
AzureIoTClient	15:956c6d205aa7	486	}
Azure.IoT Build	6:c55b013dfc2a	487
AzureIoTClient	15:956c6d205aa7	488	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	489	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	490	}
AzureIoTClient	15:956c6d205aa7	491	}
Azure.IoT Build	6:c55b013dfc2a	492
Azure.IoT Build	6:c55b013dfc2a	493	return result;
Azure.IoT Build	6:c55b013dfc2a	494	}
Azure.IoT Build	6:c55b013dfc2a	495
AzureIoTClient	11:77df6d7e65ae	496	static void conn_receive_discard_buffer(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	497	{
AzureIoTClient	13:920e00014ee3	498	if (http_instance != NULL)
AzureIoTClient	11:77df6d7e65ae	499	{
AzureIoTClient	13:920e00014ee3	500	if (http_instance->received_bytes != NULL)
AzureIoTClient	13:920e00014ee3	501	{
AzureIoTClient	13:920e00014ee3	502	free(http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	503	http_instance->received_bytes = NULL;
AzureIoTClient	13:920e00014ee3	504	}
AzureIoTClient	13:920e00014ee3	505	http_instance->received_bytes_count = 0;
AzureIoTClient	11:77df6d7e65ae	506	}
AzureIoTClient	11:77df6d7e65ae	507	}
AzureIoTClient	11:77df6d7e65ae	508
AzureIoTClient	13:920e00014ee3	509	static int readLine(HTTP_HANDLE_DATA* http_instance, char* buf, const size_t maxBufSize)
Azure.IoT Build	6:c55b013dfc2a	510	{
AzureIoTClient	13:920e00014ee3	511	int resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	512
AzureIoTClient	18:6d8a413a4d9a	513	if ((http_instance == NULL) \|\| (buf == NULL) \|\| (maxBufSize == 0))
AzureIoTClient	13:920e00014ee3	514	{
AzureIoTClient	13:920e00014ee3	515	LogError("%s", ((http_instance == NULL) ? "Invalid HTTP instance" : "Invalid HTTP buffer"));
AzureIoTClient	13:920e00014ee3	516	resultLineSize = -1;
Azure.IoT Build	6:c55b013dfc2a	517	}
Azure.IoT Build	6:c55b013dfc2a	518	else
Azure.IoT Build	6:c55b013dfc2a	519	{
AzureIoTClient	13:920e00014ee3	520	char* destByte = buf;
AzureIoTClient	15:956c6d205aa7	521	/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	522	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	523	bool endOfSearch = false;
AzureIoTClient	13:920e00014ee3	524	resultLineSize = -1;
AzureIoTClient	13:920e00014ee3	525	while (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	526	{
AzureIoTClient	13:920e00014ee3	527	xio_dowork(http_instance->xio_handle);
AzureIoTClient	13:920e00014ee3	528
AzureIoTClient	13:920e00014ee3	529	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	530	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	531	{
AzureIoTClient	13:920e00014ee3	532	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	533	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	534	}
AzureIoTClient	13:920e00014ee3	535	else
Azure.IoT Build	6:c55b013dfc2a	536	{
AzureIoTClient	13:920e00014ee3	537	unsigned char* receivedByte = http_instance->received_bytes;
AzureIoTClient	13:920e00014ee3	538	while (receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count))
Azure.IoT Build	6:c55b013dfc2a	539	{
AzureIoTClient	13:920e00014ee3	540	if ((*receivedByte) != '\r')
AzureIoTClient	13:920e00014ee3	541	{
AzureIoTClient	13:920e00014ee3	542	(destByte) = (receivedByte);
AzureIoTClient	13:920e00014ee3	543	destByte++;
AzureIoTClient	13:920e00014ee3	544	receivedByte++;
Azure.IoT Build	6:c55b013dfc2a	545
AzureIoTClient	13:920e00014ee3	546	if (destByte >= (buf + maxBufSize - 1))
AzureIoTClient	13:920e00014ee3	547	{
AzureIoTClient	13:920e00014ee3	548	LogError("Received message is bigger than the http buffer");
AzureIoTClient	13:920e00014ee3	549	receivedByte = http_instance->received_bytes + http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	550	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	551	break;
AzureIoTClient	13:920e00014ee3	552	}
AzureIoTClient	13:920e00014ee3	553	}
AzureIoTClient	13:920e00014ee3	554	else
AzureIoTClient	13:920e00014ee3	555	{
AzureIoTClient	13:920e00014ee3	556	receivedByte++;
AzureIoTClient	13:920e00014ee3	557	if ((receivedByte < (http_instance->received_bytes + http_instance->received_bytes_count)) && ((*receivedByte) == '\n'))
AzureIoTClient	13:920e00014ee3	558	{
AzureIoTClient	13:920e00014ee3	559	receivedByte++;
AzureIoTClient	13:920e00014ee3	560	}
AzureIoTClient	13:920e00014ee3	561	(*destByte) = '\0';
AzureIoTClient	13:920e00014ee3	562	resultLineSize = (int)(destByte - buf);
AzureIoTClient	13:920e00014ee3	563	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	564	break;
AzureIoTClient	13:920e00014ee3	565	}
Azure.IoT Build	6:c55b013dfc2a	566	}
Azure.IoT Build	6:c55b013dfc2a	567
AzureIoTClient	13:920e00014ee3	568	http_instance->received_bytes_count -= (receivedByte - http_instance->received_bytes);
AzureIoTClient	13:920e00014ee3	569	if (http_instance->received_bytes_count != 0)
AzureIoTClient	13:920e00014ee3	570	{
AzureIoTClient	13:920e00014ee3	571	(void)memmove(http_instance->received_bytes, receivedByte, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	572	}
AzureIoTClient	13:920e00014ee3	573	else
AzureIoTClient	13:920e00014ee3	574	{
AzureIoTClient	13:920e00014ee3	575	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	576	}
Azure.IoT Build	6:c55b013dfc2a	577	}
Azure.IoT Build	6:c55b013dfc2a	578
AzureIoTClient	13:920e00014ee3	579	if (!endOfSearch)
Azure.IoT Build	6:c55b013dfc2a	580	{
AzureIoTClient	13:920e00014ee3	581	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	582	{
AzureIoTClient	15:956c6d205aa7	583	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	584	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	585	}
AzureIoTClient	13:920e00014ee3	586	else
AzureIoTClient	13:920e00014ee3	587	{
AzureIoTClient	15:956c6d205aa7	588	/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	589	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	590	endOfSearch = true;
AzureIoTClient	13:920e00014ee3	591	}
Azure.IoT Build	6:c55b013dfc2a	592	}
Azure.IoT Build	6:c55b013dfc2a	593	}
Azure.IoT Build	6:c55b013dfc2a	594	}
Azure.IoT Build	6:c55b013dfc2a	595
AzureIoTClient	13:920e00014ee3	596	return resultLineSize;
Azure.IoT Build	6:c55b013dfc2a	597	}
Azure.IoT Build	6:c55b013dfc2a	598
Azure.IoT Build	6:c55b013dfc2a	599	static int readChunk(HTTP_HANDLE_DATA* http_instance, char* buf, size_t size)
Azure.IoT Build	6:c55b013dfc2a	600	{
AzureIoTClient	11:77df6d7e65ae	601	int cur, offset;
Azure.IoT Build	6:c55b013dfc2a	602
Azure.IoT Build	6:c55b013dfc2a	603	// read content with specified length, even if it is received
Azure.IoT Build	6:c55b013dfc2a	604	// only in chunks due to fragmentation in the networking layer.
Azure.IoT Build	6:c55b013dfc2a	605	// returns -1 in case of error.
Azure.IoT Build	6:c55b013dfc2a	606	offset = 0;
AzureIoTClient	11:77df6d7e65ae	607	while (size > (size_t)0)
Azure.IoT Build	6:c55b013dfc2a	608	{
AzureIoTClient	11:77df6d7e65ae	609	cur = conn_receive(http_instance, buf + offset, (int)size);
Azure.IoT Build	6:c55b013dfc2a	610
Azure.IoT Build	6:c55b013dfc2a	611	// end of stream reached
AzureIoTClient	15:956c6d205aa7	612	if (cur == 0)
AzureIoTClient	15:956c6d205aa7	613	{
AzureIoTClient	15:956c6d205aa7	614	break;
AzureIoTClient	15:956c6d205aa7	615	}
Azure.IoT Build	6:c55b013dfc2a	616
Azure.IoT Build	6:c55b013dfc2a	617	// read cur bytes (might be less than requested)
AzureIoTClient	11:77df6d7e65ae	618	size -= (size_t)cur;
Azure.IoT Build	6:c55b013dfc2a	619	offset += cur;
Azure.IoT Build	6:c55b013dfc2a	620	}
Azure.IoT Build	6:c55b013dfc2a	621
Azure.IoT Build	6:c55b013dfc2a	622	return offset;
Azure.IoT Build	6:c55b013dfc2a	623	}
Azure.IoT Build	6:c55b013dfc2a	624
AzureIoTClient	13:920e00014ee3	625	static int skipN(HTTP_HANDLE_DATA* http_instance, size_t n)
Azure.IoT Build	6:c55b013dfc2a	626	{
Azure.IoT Build	6:c55b013dfc2a	627	// read and abandon response content with specified length
Azure.IoT Build	6:c55b013dfc2a	628	// returns -1 in case of error.
AzureIoTClient	13:920e00014ee3	629
AzureIoTClient	13:920e00014ee3	630	int result;
AzureIoTClient	13:920e00014ee3	631
AzureIoTClient	13:920e00014ee3	632	if (http_instance == NULL)
AzureIoTClient	13:920e00014ee3	633	{
AzureIoTClient	13:920e00014ee3	634	LogError("Invalid HTTP instance");
AzureIoTClient	13:920e00014ee3	635	result = -1;
AzureIoTClient	13:920e00014ee3	636	}
AzureIoTClient	13:920e00014ee3	637	else
Azure.IoT Build	6:c55b013dfc2a	638	{
AzureIoTClient	15:956c6d205aa7	639	/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	640	int countRetry = MAX_RECEIVE_RETRY;
AzureIoTClient	13:920e00014ee3	641	result = (int)n;
AzureIoTClient	13:920e00014ee3	642	while (n > 0)
AzureIoTClient	13:920e00014ee3	643	{
AzureIoTClient	13:920e00014ee3	644	xio_dowork(http_instance->xio_handle);
Azure.IoT Build	6:c55b013dfc2a	645
AzureIoTClient	13:920e00014ee3	646	/* if any error was detected while receiving then simply break and report it */
AzureIoTClient	13:920e00014ee3	647	if (http_instance->is_io_error != 0)
AzureIoTClient	13:920e00014ee3	648	{
AzureIoTClient	13:920e00014ee3	649	LogError("xio reported error on dowork");
AzureIoTClient	13:920e00014ee3	650	result = -1;
AzureIoTClient	13:920e00014ee3	651	n = 0;
AzureIoTClient	13:920e00014ee3	652	}
AzureIoTClient	13:920e00014ee3	653	else
AzureIoTClient	13:920e00014ee3	654	{
AzureIoTClient	13:920e00014ee3	655	if (http_instance->received_bytes_count <= n)
AzureIoTClient	13:920e00014ee3	656	{
AzureIoTClient	13:920e00014ee3	657	n -= http_instance->received_bytes_count;
AzureIoTClient	13:920e00014ee3	658	http_instance->received_bytes_count = 0;
AzureIoTClient	13:920e00014ee3	659	}
AzureIoTClient	13:920e00014ee3	660	else
AzureIoTClient	13:920e00014ee3	661	{
AzureIoTClient	13:920e00014ee3	662	http_instance->received_bytes_count -= n;
AzureIoTClient	13:920e00014ee3	663	(void)memmove(http_instance->received_bytes, http_instance->received_bytes + n, http_instance->received_bytes_count);
AzureIoTClient	13:920e00014ee3	664	n = 0;
AzureIoTClient	13:920e00014ee3	665	}
AzureIoTClient	13:920e00014ee3	666
AzureIoTClient	13:920e00014ee3	667	if (n > 0)
AzureIoTClient	13:920e00014ee3	668	{
AzureIoTClient	13:920e00014ee3	669	if ((countRetry--) > 0)
AzureIoTClient	13:920e00014ee3	670	{
AzureIoTClient	15:956c6d205aa7	671	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	672	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	13:920e00014ee3	673	}
AzureIoTClient	13:920e00014ee3	674	else
AzureIoTClient	13:920e00014ee3	675	{
AzureIoTClient	15:956c6d205aa7	676	/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	677	LogError("Receive timeout. The HTTP request is incomplete");
AzureIoTClient	13:920e00014ee3	678	n = 0;
AzureIoTClient	13:920e00014ee3	679	result = -1;
AzureIoTClient	13:920e00014ee3	680	}
AzureIoTClient	13:920e00014ee3	681	}
AzureIoTClient	13:920e00014ee3	682	}
AzureIoTClient	13:920e00014ee3	683	}
Azure.IoT Build	6:c55b013dfc2a	684	}
Azure.IoT Build	6:c55b013dfc2a	685
AzureIoTClient	13:920e00014ee3	686	return result;
Azure.IoT Build	6:c55b013dfc2a	687	}
Azure.IoT Build	6:c55b013dfc2a	688
AzureIoTClient	11:77df6d7e65ae	689
AzureIoTClient	11:77df6d7e65ae	690	/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	691	static HTTPAPI_RESULT OpenXIOConnection(HTTP_HANDLE_DATA* http_instance)
AzureIoTClient	11:77df6d7e65ae	692	{
AzureIoTClient	15:956c6d205aa7	693	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	694
AzureIoTClient	15:956c6d205aa7	695	if (http_instance->is_connected != 0)
AzureIoTClient	15:956c6d205aa7	696	{
AzureIoTClient	15:956c6d205aa7	697	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	698	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	699	}
AzureIoTClient	15:956c6d205aa7	700	else
AzureIoTClient	15:956c6d205aa7	701	{
AzureIoTClient	15:956c6d205aa7	702	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	703
AzureIoTClient	15:956c6d205aa7	704	/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	705	if ((http_instance->certificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	706	(xio_setoption(http_instance->xio_handle, "TrustedCerts", http_instance->certificate) != 0))
AzureIoTClient	15:956c6d205aa7	707	{
AzureIoTClient	15:956c6d205aa7	708	/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	709	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	710	LogInfo("Could not load certificate");
AzureIoTClient	15:956c6d205aa7	711	}
AzureIoTClient	15:956c6d205aa7	712	/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	713	else if ((http_instance->x509ClientCertificate != NULL) &&
AzureIoTClient	15:956c6d205aa7	714	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_CERT, http_instance->x509ClientCertificate) != 0))
AzureIoTClient	15:956c6d205aa7	715	{
AzureIoTClient	15:956c6d205aa7	716	/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	717	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	718	LogInfo("Could not load the client certificate");
AzureIoTClient	15:956c6d205aa7	719	}
AzureIoTClient	15:956c6d205aa7	720	else if ((http_instance->x509ClientPrivateKey != NULL) &&
AzureIoTClient	15:956c6d205aa7	721	(xio_setoption(http_instance->xio_handle, SU_OPTION_X509_PRIVATE_KEY, http_instance->x509ClientPrivateKey) != 0))
AzureIoTClient	15:956c6d205aa7	722	{
AzureIoTClient	11:77df6d7e65ae	723
AzureIoTClient	15:956c6d205aa7	724	/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	725	result = HTTPAPI_SET_OPTION_FAILED;
AzureIoTClient	15:956c6d205aa7	726	LogInfo("Could not load the client certificate private key");
AzureIoTClient	15:956c6d205aa7	727	}
AzureIoTClient	15:956c6d205aa7	728	else
AzureIoTClient	15:956c6d205aa7	729	{
AzureIoTClient	15:956c6d205aa7	730	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	731	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	732	{
AzureIoTClient	15:956c6d205aa7	733	/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	734	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	735	}
AzureIoTClient	15:956c6d205aa7	736	else
AzureIoTClient	15:956c6d205aa7	737	{
AzureIoTClient	27:8656a313842b	738	int countRetry;
AzureIoTClient	15:956c6d205aa7	739	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	740	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	741	/Codes_SRS_HTTPAPI_COMPACT_21_077: [ The HTTPAPI_ExecuteRequest shall wait, at least, 10 seconds for the SSL open process. ]/
AzureIoTClient	27:8656a313842b	742	countRetry = MAX_OPEN_RETRY;
AzureIoTClient	15:956c6d205aa7	743	while ((http_instance->is_connected == 0) &&
AzureIoTClient	15:956c6d205aa7	744	(http_instance->is_io_error == 0))
AzureIoTClient	15:956c6d205aa7	745	{
AzureIoTClient	15:956c6d205aa7	746	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	747	LogInfo("Waiting for TLS connection");
AzureIoTClient	15:956c6d205aa7	748	if ((countRetry--) < 0)
AzureIoTClient	15:956c6d205aa7	749	{
AzureIoTClient	15:956c6d205aa7	750	/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	751	LogError("Open timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	752	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	753	break;
AzureIoTClient	15:956c6d205aa7	754	}
AzureIoTClient	15:956c6d205aa7	755	else
AzureIoTClient	15:956c6d205aa7	756	{
AzureIoTClient	15:956c6d205aa7	757	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	758	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	759	}
AzureIoTClient	15:956c6d205aa7	760	}
AzureIoTClient	15:956c6d205aa7	761	}
AzureIoTClient	15:956c6d205aa7	762	}
AzureIoTClient	15:956c6d205aa7	763	}
AzureIoTClient	11:77df6d7e65ae	764
AzureIoTClient	15:956c6d205aa7	765	if ((http_instance->is_io_error != 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	766	{
AzureIoTClient	15:956c6d205aa7	767	/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	768	result = HTTPAPI_OPEN_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	769	}
AzureIoTClient	15:956c6d205aa7	770
AzureIoTClient	15:956c6d205aa7	771	return result;
AzureIoTClient	15:956c6d205aa7	772	}
AzureIoTClient	15:956c6d205aa7	773
AzureIoTClient	15:956c6d205aa7	774	static HTTPAPI_RESULT conn_send_all(HTTP_HANDLE_DATA* http_instance, const unsigned char* buf, size_t bufLen)
AzureIoTClient	15:956c6d205aa7	775	{
AzureIoTClient	15:956c6d205aa7	776	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	777
AzureIoTClient	15:956c6d205aa7	778	http_instance->send_completed = 0;
AzureIoTClient	15:956c6d205aa7	779	http_instance->is_io_error = 0;
AzureIoTClient	15:956c6d205aa7	780	if (xio_send(http_instance->xio_handle, buf, bufLen, on_send_complete, http_instance) != 0)
AzureIoTClient	15:956c6d205aa7	781	{
AzureIoTClient	15:956c6d205aa7	782	/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	783	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	784	}
AzureIoTClient	15:956c6d205aa7	785	else
AzureIoTClient	15:956c6d205aa7	786	{
AzureIoTClient	15:956c6d205aa7	787	/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	788	int countRetry = MAX_SEND_RETRY;
AzureIoTClient	15:956c6d205aa7	789	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	790	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	791	while ((http_instance->send_completed == 0) && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	792	{
AzureIoTClient	15:956c6d205aa7	793	xio_dowork(http_instance->xio_handle);
AzureIoTClient	15:956c6d205aa7	794	if (http_instance->is_io_error != 0)
AzureIoTClient	15:956c6d205aa7	795	{
AzureIoTClient	15:956c6d205aa7	796	/Codes_SRS_HTTPAPI_COMPACT_21_028: [ If the HTTPAPI_ExecuteRequest cannot send the request header, it shall return HTTPAPI_HTTP_HEADERS_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	797	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	798	}
AzureIoTClient	15:956c6d205aa7	799	else if ((countRetry--) <= 0)
AzureIoTClient	15:956c6d205aa7	800	{
AzureIoTClient	15:956c6d205aa7	801	/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	802	LogError("Send timeout. The HTTP request is incomplete");
AzureIoTClient	15:956c6d205aa7	803	/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	804	result = HTTPAPI_SEND_REQUEST_FAILED;
AzureIoTClient	15:956c6d205aa7	805	}
AzureIoTClient	15:956c6d205aa7	806	else
AzureIoTClient	15:956c6d205aa7	807	{
AzureIoTClient	15:956c6d205aa7	808	/Codes_SRS_HTTPAPI_COMPACT_21_083: [ The HTTPAPI_ExecuteRequest shall wait, at least, 100 milliseconds between retries. ]/
AzureIoTClient	15:956c6d205aa7	809	ThreadAPI_Sleep(RETRY_INTERVAL_IN_MICROSECONDS);
AzureIoTClient	15:956c6d205aa7	810	}
AzureIoTClient	15:956c6d205aa7	811	}
AzureIoTClient	15:956c6d205aa7	812	}
AzureIoTClient	15:956c6d205aa7	813
AzureIoTClient	15:956c6d205aa7	814	return result;
AzureIoTClient	11:77df6d7e65ae	815	}
AzureIoTClient	11:77df6d7e65ae	816
AzureIoTClient	11:77df6d7e65ae	817	/Codes_SRS_HTTPAPI_COMPACT_21_035: [ The HTTPAPI_ExecuteRequest shall execute resquest for types `GET`, `POST`, `PUT`, `DELETE`, `PATCH`. ]/
AzureIoTClient	11:77df6d7e65ae	818	const char httpapiRequestString[5][7] = { "GET", "POST", "PUT", "DELETE", "PATCH" };
AzureIoTClient	11:77df6d7e65ae	819	const char* get_request_type(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	820	{
AzureIoTClient	11:77df6d7e65ae	821	return (const char*)httpapiRequestString[requestType];
AzureIoTClient	11:77df6d7e65ae	822	}
AzureIoTClient	11:77df6d7e65ae	823
AzureIoTClient	11:77df6d7e65ae	824	/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	825	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	826	{
AzureIoTClient	15:956c6d205aa7	827	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	828	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	829	int ret;
AzureIoTClient	11:77df6d7e65ae	830
AzureIoTClient	15:956c6d205aa7	831	//Send request
AzureIoTClient	15:956c6d205aa7	832	/Codes_SRS_HTTPAPI_COMPACT_21_038: [ The HTTPAPI_ExecuteRequest shall execute the resquest for the path in relativePath parameter. ]/
AzureIoTClient	15:956c6d205aa7	833	/Codes_SRS_HTTPAPI_COMPACT_21_036: [ The request type shall be provided in the parameter requestType. ]/
AzureIoTClient	15:956c6d205aa7	834	if (((ret = snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\n", get_request_type(requestType), relativePath)) < 0) \|\|
AzureIoTClient	15:956c6d205aa7	835	(ret >= sizeof(buf)))
AzureIoTClient	15:956c6d205aa7	836	{
AzureIoTClient	15:956c6d205aa7	837	/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	838	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	839	}
AzureIoTClient	15:956c6d205aa7	840	/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	841	else if ((result = conn_send_all(http_instance, (const unsigned char*)buf, strlen(buf))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	842	{
AzureIoTClient	27:8656a313842b	843	size_t i;
AzureIoTClient	15:956c6d205aa7	844	//Send default headers
AzureIoTClient	15:956c6d205aa7	845	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	27:8656a313842b	846	for (i = 0; ((i < headersCount) && (result == HTTPAPI_OK)); i++)
AzureIoTClient	15:956c6d205aa7	847	{
AzureIoTClient	15:956c6d205aa7	848	char* header;
AzureIoTClient	15:956c6d205aa7	849	if (HTTPHeaders_GetHeader(httpHeadersHandle, i, &header) != HTTP_HEADERS_OK)
AzureIoTClient	15:956c6d205aa7	850	{
AzureIoTClient	15:956c6d205aa7	851	/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	852	result = HTTPAPI_STRING_PROCESSING_ERROR;
AzureIoTClient	15:956c6d205aa7	853	}
AzureIoTClient	15:956c6d205aa7	854	else
AzureIoTClient	15:956c6d205aa7	855	{
AzureIoTClient	15:956c6d205aa7	856	if ((result = conn_send_all(http_instance, (const unsigned char*)header, strlen(header))) == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	857	{
AzureIoTClient	15:956c6d205aa7	858	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	859	}
AzureIoTClient	15:956c6d205aa7	860	free(header);
AzureIoTClient	15:956c6d205aa7	861	}
AzureIoTClient	15:956c6d205aa7	862	}
AzureIoTClient	11:77df6d7e65ae	863
AzureIoTClient	15:956c6d205aa7	864	//Close headers
AzureIoTClient	15:956c6d205aa7	865	if (result == HTTPAPI_OK)
AzureIoTClient	13:920e00014ee3	866	{
AzureIoTClient	15:956c6d205aa7	867	result = conn_send_all(http_instance, (const unsigned char*)"\r\n", (size_t)2);
AzureIoTClient	15:956c6d205aa7	868	}
AzureIoTClient	15:956c6d205aa7	869	}
AzureIoTClient	15:956c6d205aa7	870	return result;
AzureIoTClient	11:77df6d7e65ae	871	}
AzureIoTClient	11:77df6d7e65ae	872
AzureIoTClient	11:77df6d7e65ae	873	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	13:920e00014ee3	874	static HTTPAPI_RESULT SendContentToXIO(HTTP_HANDLE_DATA* http_instance, const unsigned char* content, size_t contentLength)
AzureIoTClient	11:77df6d7e65ae	875	{
AzureIoTClient	15:956c6d205aa7	876	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	877
AzureIoTClient	15:956c6d205aa7	878	//Send data (if available)
AzureIoTClient	15:956c6d205aa7	879	/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	880	if (content && contentLength > 0)
AzureIoTClient	15:956c6d205aa7	881	{
AzureIoTClient	15:956c6d205aa7	882	/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	883	result = conn_send_all(http_instance, content, contentLength);
AzureIoTClient	15:956c6d205aa7	884	}
AzureIoTClient	15:956c6d205aa7	885	else
AzureIoTClient	15:956c6d205aa7	886	{
AzureIoTClient	15:956c6d205aa7	887	/Codes_SRS_HTTPAPI_COMPACT_21_043: [ If the content is NULL, the HTTPAPI_ExecuteRequest shall send the request without content. ]/
AzureIoTClient	15:956c6d205aa7	888	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	889	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	890	}
AzureIoTClient	15:956c6d205aa7	891	return result;
AzureIoTClient	11:77df6d7e65ae	892	}
AzureIoTClient	11:77df6d7e65ae	893
AzureIoTClient	11:77df6d7e65ae	894	/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	895	static HTTPAPI_RESULT RecieveHeaderFromXIO(HTTP_HANDLE_DATA* http_instance, unsigned int* statusCode)
AzureIoTClient	11:77df6d7e65ae	896	{
AzureIoTClient	15:956c6d205aa7	897	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	898	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	899	int ret;
AzureIoTClient	15:956c6d205aa7	900
AzureIoTClient	15:956c6d205aa7	901	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	902
AzureIoTClient	15:956c6d205aa7	903	//Receive response
AzureIoTClient	15:956c6d205aa7	904	if (readLine(http_instance, buf, TEMP_BUFFER_SIZE) < 0)
AzureIoTClient	15:956c6d205aa7	905	{
AzureIoTClient	15:956c6d205aa7	906	/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	907	/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	908	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	909	}
AzureIoTClient	15:956c6d205aa7	910	//Parse HTTP response
AzureIoTClient	15:956c6d205aa7	911	else if (ParseHttpResponse(buf, &ret) != 1)
AzureIoTClient	15:956c6d205aa7	912	{
AzureIoTClient	15:956c6d205aa7	913	//Cannot match string, error
AzureIoTClient	11:77df6d7e65ae	914	/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	915	LogInfo("Not a correct HTTP answer");
AzureIoTClient	15:956c6d205aa7	916	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	917	}
AzureIoTClient	15:956c6d205aa7	918	else
AzureIoTClient	15:956c6d205aa7	919	{
AzureIoTClient	15:956c6d205aa7	920	/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	921	/Codes_SRS_HTTPAPI_COMPACT_21_048: [ If the statusCode is NULL, the HTTPAPI_ExecuteRequest shall report not report any status. ]/
AzureIoTClient	15:956c6d205aa7	922	if (statusCode)
AzureIoTClient	15:956c6d205aa7	923	{
AzureIoTClient	15:956c6d205aa7	924	/Codes_SRS_HTTPAPI_COMPACT_21_047: [ The HTTPAPI_ExecuteRequest shall report the status in the statusCode parameter. ]/
AzureIoTClient	15:956c6d205aa7	925	*statusCode = ret;
AzureIoTClient	15:956c6d205aa7	926	}
AzureIoTClient	15:956c6d205aa7	927	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	928	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	929	}
AzureIoTClient	11:77df6d7e65ae	930
AzureIoTClient	15:956c6d205aa7	931	return result;
AzureIoTClient	11:77df6d7e65ae	932	}
AzureIoTClient	11:77df6d7e65ae	933
AzureIoTClient	13:920e00014ee3	934	static HTTPAPI_RESULT RecieveContentInfoFromXIO(HTTP_HANDLE_DATA* http_instance, HTTP_HEADERS_HANDLE responseHeadersHandle, size_t* bodyLength, bool* chunked)
AzureIoTClient	11:77df6d7e65ae	935	{
AzureIoTClient	15:956c6d205aa7	936	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	937	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	11:77df6d7e65ae	938	const char* substr;
AzureIoTClient	11:77df6d7e65ae	939	char* whereIsColon;
AzureIoTClient	11:77df6d7e65ae	940	int lengthInMsg;
AzureIoTClient	18:6d8a413a4d9a	941	const char ContentLength[] = "content-length:";
AzureIoTClient	18:6d8a413a4d9a	942	const size_t ContentLengthSize = sizeof(ContentLength) - 1;
AzureIoTClient	18:6d8a413a4d9a	943	const char TransferEncoding[] = "transfer-encoding:";
AzureIoTClient	18:6d8a413a4d9a	944	const size_t TransferEncodingSize = sizeof(TransferEncoding) - 1;
AzureIoTClient	18:6d8a413a4d9a	945	const char Chunked[] = "chunked";
AzureIoTClient	18:6d8a413a4d9a	946	const size_t ChunkedSize = sizeof(Chunked) - 1;
AzureIoTClient	15:956c6d205aa7	947
AzureIoTClient	15:956c6d205aa7	948	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	949
AzureIoTClient	15:956c6d205aa7	950	//Read HTTP response headers
AzureIoTClient	15:956c6d205aa7	951	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	952	{
AzureIoTClient	15:956c6d205aa7	953	/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	954	/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	955	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	956	}
AzureIoTClient	15:956c6d205aa7	957	else
AzureIoTClient	15:956c6d205aa7	958	{
AzureIoTClient	15:956c6d205aa7	959	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	960	result = HTTPAPI_OK;
AzureIoTClient	11:77df6d7e65ae	961
AzureIoTClient	15:956c6d205aa7	962	while (*buf && (result == HTTPAPI_OK))
AzureIoTClient	15:956c6d205aa7	963	{
AzureIoTClient	15:956c6d205aa7	964	if (InternStrnicmp(buf, ContentLength, ContentLengthSize) == 0)
AzureIoTClient	15:956c6d205aa7	965	{
AzureIoTClient	18:6d8a413a4d9a	966	substr = buf + ContentLengthSize;
AzureIoTClient	15:956c6d205aa7	967	if (ParseStringToDecimal(substr, &lengthInMsg) != 1)
AzureIoTClient	15:956c6d205aa7	968	{
AzureIoTClient	15:956c6d205aa7	969	/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	970	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	971	}
AzureIoTClient	15:956c6d205aa7	972	else
AzureIoTClient	15:956c6d205aa7	973	{
AzureIoTClient	15:956c6d205aa7	974	(*bodyLength) = (size_t)lengthInMsg;
AzureIoTClient	15:956c6d205aa7	975	}
AzureIoTClient	15:956c6d205aa7	976	}
AzureIoTClient	15:956c6d205aa7	977	else if (InternStrnicmp(buf, TransferEncoding, TransferEncodingSize) == 0)
AzureIoTClient	15:956c6d205aa7	978	{
AzureIoTClient	18:6d8a413a4d9a	979	substr = buf + TransferEncodingSize;
AzureIoTClient	15:956c6d205aa7	980
AzureIoTClient	15:956c6d205aa7	981	while (isspace(*substr)) substr++;
AzureIoTClient	11:77df6d7e65ae	982
AzureIoTClient	15:956c6d205aa7	983	if (InternStrnicmp(substr, Chunked, ChunkedSize) == 0)
AzureIoTClient	15:956c6d205aa7	984	{
AzureIoTClient	15:956c6d205aa7	985	(*chunked) = true;
AzureIoTClient	15:956c6d205aa7	986	}
AzureIoTClient	15:956c6d205aa7	987	}
AzureIoTClient	11:77df6d7e65ae	988
AzureIoTClient	15:956c6d205aa7	989	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	990	{
AzureIoTClient	15:956c6d205aa7	991	whereIsColon = strchr((char*)buf, ':');
AzureIoTClient	15:956c6d205aa7	992	/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	993	if (whereIsColon && (responseHeadersHandle != NULL))
AzureIoTClient	15:956c6d205aa7	994	{
AzureIoTClient	15:956c6d205aa7	995	*whereIsColon = '\0';
AzureIoTClient	15:956c6d205aa7	996	HTTPHeaders_AddHeaderNameValuePair(responseHeadersHandle, buf, whereIsColon + 1);
AzureIoTClient	15:956c6d205aa7	997	}
AzureIoTClient	11:77df6d7e65ae	998
AzureIoTClient	15:956c6d205aa7	999	if (readLine(http_instance, buf, sizeof(buf)) < 0)
AzureIoTClient	15:956c6d205aa7	1000	{
AzureIoTClient	15:956c6d205aa7	1001	/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	1002	/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	1003	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1004	}
AzureIoTClient	15:956c6d205aa7	1005	}
AzureIoTClient	15:956c6d205aa7	1006	}
AzureIoTClient	15:956c6d205aa7	1007	}
AzureIoTClient	11:77df6d7e65ae	1008
AzureIoTClient	15:956c6d205aa7	1009	return result;
AzureIoTClient	11:77df6d7e65ae	1010	}
AzureIoTClient	11:77df6d7e65ae	1011
AzureIoTClient	13:920e00014ee3	1012	static HTTPAPI_RESULT ReadHTTPResponseBodyFromXIO(HTTP_HANDLE_DATA* http_instance, size_t bodyLength, bool chunked, BUFFER_HANDLE responseContent)
AzureIoTClient	11:77df6d7e65ae	1013	{
AzureIoTClient	15:956c6d205aa7	1014	HTTPAPI_RESULT result;
AzureIoTClient	15:956c6d205aa7	1015	char buf[TEMP_BUFFER_SIZE];
AzureIoTClient	15:956c6d205aa7	1016	const unsigned char* receivedContent;
AzureIoTClient	15:956c6d205aa7	1017
AzureIoTClient	15:956c6d205aa7	1018	http_instance->is_io_error = 0;
AzureIoTClient	11:77df6d7e65ae	1019
AzureIoTClient	15:956c6d205aa7	1020	//Read HTTP response body
AzureIoTClient	15:956c6d205aa7	1021	if (!chunked)
AzureIoTClient	15:956c6d205aa7	1022	{
AzureIoTClient	15:956c6d205aa7	1023	if (bodyLength)
AzureIoTClient	15:956c6d205aa7	1024	{
AzureIoTClient	15:956c6d205aa7	1025	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1026	{
AzureIoTClient	15:956c6d205aa7	1027	if (BUFFER_pre_build(responseContent, bodyLength) != 0)
AzureIoTClient	15:956c6d205aa7	1028	{
AzureIoTClient	15:956c6d205aa7	1029	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1030	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1031	}
AzureIoTClient	15:956c6d205aa7	1032	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1033	{
AzureIoTClient	15:956c6d205aa7	1034	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1035
AzureIoTClient	15:956c6d205aa7	1036	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1037	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1038	}
AzureIoTClient	15:956c6d205aa7	1039	else if (readChunk(http_instance, (char*)receivedContent, bodyLength) < 0)
AzureIoTClient	15:956c6d205aa7	1040	{
AzureIoTClient	15:956c6d205aa7	1041	/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	1042	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1043	}
AzureIoTClient	15:956c6d205aa7	1044	else
AzureIoTClient	15:956c6d205aa7	1045	{
AzureIoTClient	15:956c6d205aa7	1046	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1047	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1048	}
AzureIoTClient	15:956c6d205aa7	1049	}
AzureIoTClient	13:920e00014ee3	1050	else
AzureIoTClient	13:920e00014ee3	1051	{
AzureIoTClient	13:920e00014ee3	1052	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	13:920e00014ee3	1053	if (skipN(http_instance, bodyLength) < 0)
AzureIoTClient	13:920e00014ee3	1054	{
AzureIoTClient	15:956c6d205aa7	1055	/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	1056	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	13:920e00014ee3	1057	}
AzureIoTClient	13:920e00014ee3	1058	else
AzureIoTClient	13:920e00014ee3	1059	{
AzureIoTClient	13:920e00014ee3	1060	result = HTTPAPI_OK;
AzureIoTClient	13:920e00014ee3	1061	}
AzureIoTClient	13:920e00014ee3	1062	}
AzureIoTClient	15:956c6d205aa7	1063	}
AzureIoTClient	15:956c6d205aa7	1064	else
AzureIoTClient	15:956c6d205aa7	1065	{
AzureIoTClient	15:956c6d205aa7	1066	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1067	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1068	}
AzureIoTClient	15:956c6d205aa7	1069	}
AzureIoTClient	15:956c6d205aa7	1070	else
AzureIoTClient	15:956c6d205aa7	1071	{
AzureIoTClient	15:956c6d205aa7	1072	size_t size = 0;
AzureIoTClient	15:956c6d205aa7	1073	/Codes_SRS_HTTPAPI_COMPACT_21_033: [ If the whole process succeed, the HTTPAPI_ExecuteRequest shall retur HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1074	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1075	while (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1076	{
AzureIoTClient	15:956c6d205aa7	1077	size_t chunkSize;
AzureIoTClient	15:956c6d205aa7	1078	if (readLine(http_instance, buf, sizeof(buf)) < 0) // read [length in hex]/r/n
AzureIoTClient	15:956c6d205aa7	1079	{
AzureIoTClient	15:956c6d205aa7	1080	/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	1081	/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	1082	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1083	}
AzureIoTClient	15:956c6d205aa7	1084	else if (ParseStringToHexadecimal(buf, &chunkSize) != 1) // chunkSize is length of next line (/r/n is not counted)
AzureIoTClient	15:956c6d205aa7	1085	{
AzureIoTClient	15:956c6d205aa7	1086	//Cannot match string, error
AzureIoTClient	15:956c6d205aa7	1087	/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	1088	result = HTTPAPI_RECEIVE_RESPONSE_FAILED;
AzureIoTClient	15:956c6d205aa7	1089	}
AzureIoTClient	15:956c6d205aa7	1090	else if (chunkSize == 0)
AzureIoTClient	15:956c6d205aa7	1091	{
AzureIoTClient	15:956c6d205aa7	1092	// 0 length means next line is just '\r\n' and end of chunks
AzureIoTClient	15:956c6d205aa7	1093	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1094	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1095	{
AzureIoTClient	15:956c6d205aa7	1096	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1097
AzureIoTClient	15:956c6d205aa7	1098	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1099	}
AzureIoTClient	15:956c6d205aa7	1100	break;
AzureIoTClient	15:956c6d205aa7	1101	}
AzureIoTClient	15:956c6d205aa7	1102	else
AzureIoTClient	15:956c6d205aa7	1103	{
AzureIoTClient	15:956c6d205aa7	1104	if (responseContent != NULL)
AzureIoTClient	15:956c6d205aa7	1105	{
AzureIoTClient	15:956c6d205aa7	1106	if (BUFFER_enlarge(responseContent, chunkSize) != 0)
AzureIoTClient	15:956c6d205aa7	1107	{
AzureIoTClient	15:956c6d205aa7	1108	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1109
AzureIoTClient	15:956c6d205aa7	1110	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1111	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1112	}
AzureIoTClient	15:956c6d205aa7	1113	else if (BUFFER_content(responseContent, &receivedContent) != 0)
AzureIoTClient	15:956c6d205aa7	1114	{
AzureIoTClient	15:956c6d205aa7	1115	(void)BUFFER_unbuild(responseContent);
AzureIoTClient	11:77df6d7e65ae	1116
AzureIoTClient	15:956c6d205aa7	1117	/Codes_SRS_HTTPAPI_COMPACT_21_052: [ If any memory allocation get fail, the HTTPAPI_ExecuteRequest shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1118	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1119	}
AzureIoTClient	15:956c6d205aa7	1120	else if (readChunk(http_instance, (char*)receivedContent + size, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1121	{
AzureIoTClient	15:956c6d205aa7	1122	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1123	}
AzureIoTClient	15:956c6d205aa7	1124	}
AzureIoTClient	15:956c6d205aa7	1125	else
AzureIoTClient	15:956c6d205aa7	1126	{
AzureIoTClient	15:956c6d205aa7	1127	/Codes_SRS_HTTPAPI_COMPACT_21_051: [ If the responseContent is NULL, the HTTPAPI_ExecuteRequest shall ignore any content in the response. ]/
AzureIoTClient	15:956c6d205aa7	1128	if (skipN(http_instance, chunkSize) < 0)
AzureIoTClient	15:956c6d205aa7	1129	{
AzureIoTClient	15:956c6d205aa7	1130	/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	1131	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1132	}
AzureIoTClient	15:956c6d205aa7	1133	}
AzureIoTClient	11:77df6d7e65ae	1134
AzureIoTClient	15:956c6d205aa7	1135	if (result == HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1136	{
AzureIoTClient	15:956c6d205aa7	1137	if (readChunk(http_instance, (char*)buf, (size_t)2) < 0
AzureIoTClient	15:956c6d205aa7	1138	\|\| buf[0] != '\r' \|\| buf[1] != '\n') // skip /r/n
AzureIoTClient	15:956c6d205aa7	1139	{
AzureIoTClient	15:956c6d205aa7	1140	result = HTTPAPI_READ_DATA_FAILED;
AzureIoTClient	15:956c6d205aa7	1141	}
AzureIoTClient	15:956c6d205aa7	1142	size += chunkSize;
AzureIoTClient	15:956c6d205aa7	1143	}
AzureIoTClient	15:956c6d205aa7	1144	}
AzureIoTClient	15:956c6d205aa7	1145	}
AzureIoTClient	11:77df6d7e65ae	1146
AzureIoTClient	15:956c6d205aa7	1147	}
AzureIoTClient	15:956c6d205aa7	1148	return result;
AzureIoTClient	11:77df6d7e65ae	1149	}
AzureIoTClient	11:77df6d7e65ae	1150
AzureIoTClient	11:77df6d7e65ae	1151
AzureIoTClient	11:77df6d7e65ae	1152	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	11:77df6d7e65ae	1153	static bool validRequestType(HTTPAPI_REQUEST_TYPE requestType)
AzureIoTClient	11:77df6d7e65ae	1154	{
AzureIoTClient	15:956c6d205aa7	1155	bool result;
AzureIoTClient	11:77df6d7e65ae	1156
AzureIoTClient	15:956c6d205aa7	1157	if ((requestType == HTTPAPI_REQUEST_GET) \|\|
AzureIoTClient	15:956c6d205aa7	1158	(requestType == HTTPAPI_REQUEST_POST) \|\|
AzureIoTClient	15:956c6d205aa7	1159	(requestType == HTTPAPI_REQUEST_PUT) \|\|
AzureIoTClient	15:956c6d205aa7	1160	(requestType == HTTPAPI_REQUEST_DELETE) \|\|
AzureIoTClient	15:956c6d205aa7	1161	(requestType == HTTPAPI_REQUEST_PATCH))
AzureIoTClient	15:956c6d205aa7	1162	{
AzureIoTClient	15:956c6d205aa7	1163	result = true;
AzureIoTClient	15:956c6d205aa7	1164	}
AzureIoTClient	15:956c6d205aa7	1165	else
AzureIoTClient	15:956c6d205aa7	1166	{
AzureIoTClient	15:956c6d205aa7	1167	result = false;
AzureIoTClient	15:956c6d205aa7	1168	}
AzureIoTClient	11:77df6d7e65ae	1169
AzureIoTClient	15:956c6d205aa7	1170	return result;
AzureIoTClient	11:77df6d7e65ae	1171	}
AzureIoTClient	11:77df6d7e65ae	1172
AzureIoTClient	11:77df6d7e65ae	1173	/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	1174	/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	1175	//Note: This function assumes that "Host:" and "Content-Length:" headers are setup
Azure.IoT Build	6:c55b013dfc2a	1176	// by the caller of HTTPAPI_ExecuteRequest() (which is true for httptransport.c).
Azure.IoT Build	6:c55b013dfc2a	1177	HTTPAPI_RESULT HTTPAPI_ExecuteRequest(HTTP_HANDLE handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath,
Azure.IoT Build	6:c55b013dfc2a	1178	HTTP_HEADERS_HANDLE httpHeadersHandle, const unsigned char* content,
Azure.IoT Build	6:c55b013dfc2a	1179	size_t contentLength, unsigned int* statusCode,
Azure.IoT Build	6:c55b013dfc2a	1180	HTTP_HEADERS_HANDLE responseHeadersHandle, BUFFER_HANDLE responseContent)
Azure.IoT Build	6:c55b013dfc2a	1181	{
AzureIoTClient	11:77df6d7e65ae	1182	HTTPAPI_RESULT result = HTTPAPI_ERROR;
Azure.IoT Build	6:c55b013dfc2a	1183	size_t headersCount;
Azure.IoT Build	6:c55b013dfc2a	1184	size_t bodyLength = 0;
Azure.IoT Build	6:c55b013dfc2a	1185	bool chunked = false;
AzureIoTClient	15:956c6d205aa7	1186	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1187
AzureIoTClient	15:956c6d205aa7	1188	/Codes_SRS_HTTPAPI_COMPACT_21_034: [ If there is no previous connection, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1189	/Codes_SRS_HTTPAPI_COMPACT_21_037: [ If the request type is unknown, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1190	/Codes_SRS_HTTPAPI_COMPACT_21_039: [ If the relativePath is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1191	/Codes_SRS_HTTPAPI_COMPACT_21_041: [ If the httpHeadersHandle is NULL or invalid, the HTTPAPI_ExecuteRequest shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1192	/Codes_SRS_HTTPAPI_COMPACT_21_053: [ The HTTPAPI_ExecuteRequest shall produce a set of http header to send to the host. ]/
AzureIoTClient	15:956c6d205aa7	1193	/Codes_SRS_HTTPAPI_COMPACT_21_040: [ The request shall contain the http header provided in httpHeadersHandle parameter. ]/
AzureIoTClient	15:956c6d205aa7	1194	/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	1195	if (http_instance == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1196	relativePath == NULL \|\|
Azure.IoT Build	6:c55b013dfc2a	1197	httpHeadersHandle == NULL \|\|
AzureIoTClient	15:956c6d205aa7	1198	!validRequestType(requestType) \|\|
Azure.IoT Build	6:c55b013dfc2a	1199	HTTPHeaders_GetHeaderCount(httpHeadersHandle, &headersCount) != HTTP_HEADERS_OK)
Azure.IoT Build	6:c55b013dfc2a	1200	{
Azure.IoT Build	6:c55b013dfc2a	1201	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1202	LogError("(result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
Azure.IoT Build	6:c55b013dfc2a	1203	}
AzureIoTClient	15:956c6d205aa7	1204	/Codes_SRS_HTTPAPI_COMPACT_21_024: [ The HTTPAPI_ExecuteRequest shall open the transport connection with the host to send the request. ]/
AzureIoTClient	15:956c6d205aa7	1205	else if ((result = OpenXIOConnection(http_instance)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1206	{
AzureIoTClient	15:956c6d205aa7	1207	LogError("Open HTTP connection failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1208	}
AzureIoTClient	15:956c6d205aa7	1209	/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	1210	else if ((result = SendHeadsToXIO(http_instance, requestType, relativePath, httpHeadersHandle, headersCount)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1211	{
AzureIoTClient	15:956c6d205aa7	1212	LogError("Send heads to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1213	}
AzureIoTClient	15:956c6d205aa7	1214	/Codes_SRS_HTTPAPI_COMPACT_21_042: [ The request can contain the a content message, provided in content parameter. ]/
AzureIoTClient	15:956c6d205aa7	1215	else if ((result = SendContentToXIO(http_instance, content, contentLength)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1216	{
AzureIoTClient	15:956c6d205aa7	1217	LogError("Send content to HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1218	}
AzureIoTClient	15:956c6d205aa7	1219	/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	1220	/Codes_SRS_HTTPAPI_COMPACT_21_073: [ The message recived by the HTTPAPI_ExecuteRequest shall starts with a valid header. ]/
AzureIoTClient	15:956c6d205aa7	1221	else if ((result = RecieveHeaderFromXIO(http_instance, statusCode)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1222	{
AzureIoTClient	15:956c6d205aa7	1223	LogError("Receive header from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1224	}
AzureIoTClient	15:956c6d205aa7	1225	/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	1226	else if ((result = RecieveContentInfoFromXIO(http_instance, responseHeadersHandle, &bodyLength, &chunked)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1227	{
AzureIoTClient	15:956c6d205aa7	1228	LogError("Receive content information from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1229	}
AzureIoTClient	15:956c6d205aa7	1230	/Codes_SRS_HTTPAPI_COMPACT_21_075: [ The message recieved by the HTTPAPI_ExecuteRequest can contain a body with the message content. ]/
AzureIoTClient	15:956c6d205aa7	1231	else if ((result = ReadHTTPResponseBodyFromXIO(http_instance, bodyLength, chunked, responseContent)) != HTTPAPI_OK)
AzureIoTClient	15:956c6d205aa7	1232	{
AzureIoTClient	15:956c6d205aa7	1233	LogError("Read HTTP response body from HTTP failed (result = %s)", ENUM_TO_STRING(HTTPAPI_RESULT, result));
AzureIoTClient	15:956c6d205aa7	1234	}
Azure.IoT Build	6:c55b013dfc2a	1235
AzureIoTClient	13:920e00014ee3	1236	conn_receive_discard_buffer(http_instance);
AzureIoTClient	13:920e00014ee3	1237
Azure.IoT Build	6:c55b013dfc2a	1238
AzureIoTClient	11:77df6d7e65ae	1239	return result;
AzureIoTClient	11:77df6d7e65ae	1240	}
Azure.IoT Build	6:c55b013dfc2a	1241
AzureIoTClient	11:77df6d7e65ae	1242	/Codes_SRS_HTTPAPI_COMPACT_21_056: [ The HTTPAPI_SetOption shall change the HTTP options. ]/
AzureIoTClient	11:77df6d7e65ae	1243	/Codes_SRS_HTTPAPI_COMPACT_21_057: [ The HTTPAPI_SetOption shall recieve a handle that identiry the HTTP connection. ]/
AzureIoTClient	11:77df6d7e65ae	1244	/Codes_SRS_HTTPAPI_COMPACT_21_058: [ The HTTPAPI_SetOption shall recieve the option as a pair optionName/value. ]/
AzureIoTClient	11:77df6d7e65ae	1245	HTTPAPI_RESULT HTTPAPI_SetOption(HTTP_HANDLE handle, const char* optionName, const void* value)
AzureIoTClient	11:77df6d7e65ae	1246	{
AzureIoTClient	11:77df6d7e65ae	1247	HTTPAPI_RESULT result;
AzureIoTClient	13:920e00014ee3	1248	HTTP_HANDLE_DATA* http_instance = (HTTP_HANDLE_DATA*)handle;
Azure.IoT Build	6:c55b013dfc2a	1249
AzureIoTClient	15:956c6d205aa7	1250	if (
AzureIoTClient	13:920e00014ee3	1251	(http_instance == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1252	(optionName == NULL) \|\|
AzureIoTClient	11:77df6d7e65ae	1253	(value == NULL)
AzureIoTClient	11:77df6d7e65ae	1254	)
Azure.IoT Build	6:c55b013dfc2a	1255	{
AzureIoTClient	15:956c6d205aa7	1256	/Codes_SRS_HTTPAPI_COMPACT_21_059: [ If the handle is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1257	/Codes_SRS_HTTPAPI_COMPACT_21_060: [ If the optionName is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1258	/Codes_SRS_HTTPAPI_COMPACT_21_061: [ If the value is NULL, the HTTPAPI_SetOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1259	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1260	}
AzureIoTClient	11:77df6d7e65ae	1261	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1262	{
AzureIoTClient	27:8656a313842b	1263	int len;
AzureIoTClient	27:8656a313842b	1264
AzureIoTClient	13:920e00014ee3	1265	if (http_instance->certificate)
Azure.IoT Build	6:c55b013dfc2a	1266	{
AzureIoTClient	13:920e00014ee3	1267	free(http_instance->certificate);
Azure.IoT Build	6:c55b013dfc2a	1268	}
Azure.IoT Build	6:c55b013dfc2a	1269
AzureIoTClient	27:8656a313842b	1270	len = (int)strlen((char*)value);
AzureIoTClient	13:920e00014ee3	1271	http_instance->certificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	13:920e00014ee3	1272	if (http_instance->certificate == NULL)
Azure.IoT Build	6:c55b013dfc2a	1273	{
AzureIoTClient	15:956c6d205aa7	1274	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1275	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	11:77df6d7e65ae	1276	LogInfo("unable to allocate memory for the certificate in HTTPAPI_SetOption");
Azure.IoT Build	6:c55b013dfc2a	1277	}
Azure.IoT Build	6:c55b013dfc2a	1278	else
Azure.IoT Build	6:c55b013dfc2a	1279	{
AzureIoTClient	15:956c6d205aa7	1280	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	13:920e00014ee3	1281	(void)strcpy(http_instance->certificate, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1282	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1283	}
Azure.IoT Build	6:c55b013dfc2a	1284	}
AzureIoTClient	15:956c6d205aa7	1285	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1286	{
AzureIoTClient	27:8656a313842b	1287	int len;
AzureIoTClient	15:956c6d205aa7	1288	if (http_instance->x509ClientCertificate)
AzureIoTClient	15:956c6d205aa7	1289	{
AzureIoTClient	15:956c6d205aa7	1290	free(http_instance->x509ClientCertificate);
AzureIoTClient	15:956c6d205aa7	1291	}
AzureIoTClient	15:956c6d205aa7	1292
AzureIoTClient	27:8656a313842b	1293	len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1294	http_instance->x509ClientCertificate = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1295	if (http_instance->x509ClientCertificate == NULL)
AzureIoTClient	15:956c6d205aa7	1296	{
AzureIoTClient	15:956c6d205aa7	1297	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1298	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1299	LogInfo("unable to allocate memory for the client certificate in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1300	}
AzureIoTClient	15:956c6d205aa7	1301	else
AzureIoTClient	15:956c6d205aa7	1302	{
AzureIoTClient	15:956c6d205aa7	1303	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1304	(void)strcpy(http_instance->x509ClientCertificate, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1305	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1306	}
AzureIoTClient	15:956c6d205aa7	1307	}
AzureIoTClient	15:956c6d205aa7	1308	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1309	{
AzureIoTClient	27:8656a313842b	1310	int len;
AzureIoTClient	15:956c6d205aa7	1311	if (http_instance->x509ClientPrivateKey)
AzureIoTClient	15:956c6d205aa7	1312	{
AzureIoTClient	15:956c6d205aa7	1313	free(http_instance->x509ClientPrivateKey);
AzureIoTClient	15:956c6d205aa7	1314	}
AzureIoTClient	15:956c6d205aa7	1315
AzureIoTClient	27:8656a313842b	1316	len = (int)strlen((char*)value);
AzureIoTClient	15:956c6d205aa7	1317	http_instance->x509ClientPrivateKey = (char)malloc((len + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1318	if (http_instance->x509ClientPrivateKey == NULL)
AzureIoTClient	15:956c6d205aa7	1319	{
AzureIoTClient	15:956c6d205aa7	1320	/Codes_SRS_HTTPAPI_COMPACT_21_062: [ If any memory allocation get fail, the HTTPAPI_SetOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1321	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1322	LogInfo("unable to allocate memory for the client private key in HTTPAPI_SetOption");
AzureIoTClient	15:956c6d205aa7	1323	}
AzureIoTClient	15:956c6d205aa7	1324	else
AzureIoTClient	15:956c6d205aa7	1325	{
AzureIoTClient	15:956c6d205aa7	1326	/Codes_SRS_HTTPAPI_COMPACT_21_064: [ If the HTTPAPI_SetOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1327	(void)strcpy(http_instance->x509ClientPrivateKey, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1328	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1329	}
AzureIoTClient	15:956c6d205aa7	1330	}
Azure.IoT Build	6:c55b013dfc2a	1331	else
Azure.IoT Build	6:c55b013dfc2a	1332	{
AzureIoTClient	15:956c6d205aa7	1333	/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	1334	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1335	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1336	}
Azure.IoT Build	6:c55b013dfc2a	1337	return result;
Azure.IoT Build	6:c55b013dfc2a	1338	}
Azure.IoT Build	6:c55b013dfc2a	1339
AzureIoTClient	11:77df6d7e65ae	1340	/Codes_SRS_HTTPAPI_COMPACT_21_065: [ The HTTPAPI_CloneOption shall provide the means to clone the HTTP option. ]/
AzureIoTClient	11:77df6d7e65ae	1341	/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	1342	HTTPAPI_RESULT HTTPAPI_CloneOption(const char* optionName, const void* value, const void** savedValue)
Azure.IoT Build	6:c55b013dfc2a	1343	{
Azure.IoT Build	6:c55b013dfc2a	1344	HTTPAPI_RESULT result;
AzureIoTClient	11:77df6d7e65ae	1345	size_t certLen;
AzureIoTClient	11:77df6d7e65ae	1346	char* tempCert;
AzureIoTClient	11:77df6d7e65ae	1347
AzureIoTClient	15:956c6d205aa7	1348	if (
Azure.IoT Build	6:c55b013dfc2a	1349	(optionName == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1350	(value == NULL) \|\|
Azure.IoT Build	6:c55b013dfc2a	1351	(savedValue == NULL)
Azure.IoT Build	6:c55b013dfc2a	1352	)
Azure.IoT Build	6:c55b013dfc2a	1353	{
AzureIoTClient	15:956c6d205aa7	1354	/Codes_SRS_HTTPAPI_COMPACT_21_067: [ If the optionName is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1355	/Codes_SRS_HTTPAPI_COMPACT_21_068: [ If the value is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1356	/Codes_SRS_HTTPAPI_COMPACT_21_069: [ If the savedValue is NULL, the HTTPAPI_CloneOption shall return HTTPAPI_INVALID_ARG. ]/
AzureIoTClient	15:956c6d205aa7	1357	result = HTTPAPI_INVALID_ARG;
Azure.IoT Build	6:c55b013dfc2a	1358	}
Azure.IoT Build	6:c55b013dfc2a	1359	else if (strcmp("TrustedCerts", optionName) == 0)
Azure.IoT Build	6:c55b013dfc2a	1360	{
AzureIoTClient	11:77df6d7e65ae	1361	certLen = strlen((const char*)value);
AzureIoTClient	11:77df6d7e65ae	1362	tempCert = (char)malloc((certLen + 1) sizeof(char));
Azure.IoT Build	6:c55b013dfc2a	1363	if (tempCert == NULL)
Azure.IoT Build	6:c55b013dfc2a	1364	{
AzureIoTClient	15:956c6d205aa7	1365	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1366	result = HTTPAPI_ALLOC_FAILED;
Azure.IoT Build	6:c55b013dfc2a	1367	}
Azure.IoT Build	6:c55b013dfc2a	1368	else
Azure.IoT Build	6:c55b013dfc2a	1369	{
AzureIoTClient	15:956c6d205aa7	1370	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1371	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1372	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1373	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1374	}
AzureIoTClient	15:956c6d205aa7	1375	}
AzureIoTClient	15:956c6d205aa7	1376	else if (strcmp(SU_OPTION_X509_CERT, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1377	{
AzureIoTClient	15:956c6d205aa7	1378	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1379	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1380	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1381	{
AzureIoTClient	15:956c6d205aa7	1382	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1383	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1384	}
AzureIoTClient	15:956c6d205aa7	1385	else
AzureIoTClient	15:956c6d205aa7	1386	{
AzureIoTClient	15:956c6d205aa7	1387	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1388	(void)strcpy(tempCert, (const char*)value);
AzureIoTClient	15:956c6d205aa7	1389	*savedValue = tempCert;
AzureIoTClient	15:956c6d205aa7	1390	result = HTTPAPI_OK;
AzureIoTClient	15:956c6d205aa7	1391	}
AzureIoTClient	15:956c6d205aa7	1392	}
AzureIoTClient	15:956c6d205aa7	1393	else if (strcmp(SU_OPTION_X509_PRIVATE_KEY, optionName) == 0)
AzureIoTClient	15:956c6d205aa7	1394	{
AzureIoTClient	15:956c6d205aa7	1395	certLen = strlen((const char*)value);
AzureIoTClient	15:956c6d205aa7	1396	tempCert = (char)malloc((certLen + 1) sizeof(char));
AzureIoTClient	15:956c6d205aa7	1397	if (tempCert == NULL)
AzureIoTClient	15:956c6d205aa7	1398	{
AzureIoTClient	15:956c6d205aa7	1399	/Codes_SRS_HTTPAPI_COMPACT_21_070: [ If any memory allocation get fail, the HTTPAPI_CloneOption shall return HTTPAPI_ALLOC_FAILED. ]/
AzureIoTClient	15:956c6d205aa7	1400	result = HTTPAPI_ALLOC_FAILED;
AzureIoTClient	15:956c6d205aa7	1401	}
AzureIoTClient	15:956c6d205aa7	1402	else
AzureIoTClient	15:956c6d205aa7	1403	{
AzureIoTClient	15:956c6d205aa7	1404	/Codes_SRS_HTTPAPI_COMPACT_21_072: [ If the HTTPAPI_CloneOption get success setting the option, it shall return HTTPAPI_OK. ]/
AzureIoTClient	15:956c6d205aa7	1405	(void)strcpy(tempCert, (const char*)value);
Azure.IoT Build	6:c55b013dfc2a	1406	*savedValue = tempCert;
Azure.IoT Build	6:c55b013dfc2a	1407	result = HTTPAPI_OK;
Azure.IoT Build	6:c55b013dfc2a	1408	}
Azure.IoT Build	6:c55b013dfc2a	1409	}
Azure.IoT Build	6:c55b013dfc2a	1410	else
Azure.IoT Build	6:c55b013dfc2a	1411	{
AzureIoTClient	15:956c6d205aa7	1412	/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	1413	result = HTTPAPI_INVALID_ARG;
AzureIoTClient	11:77df6d7e65ae	1414	LogInfo("unknown option %s", optionName);
Azure.IoT Build	6:c55b013dfc2a	1415	}
Azure.IoT Build	6:c55b013dfc2a	1416	return result;
Azure.IoT Build	6:c55b013dfc2a	1417	}

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

httpapi_compact.c@27:8656a313842b, 2017-05-22 (annotated)

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