Azure IoT / azure_c_shared_utility

Azure IoT common library

Dependents:   STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more

xio.c@49:6bb8b9a66642, 2018-10-04 (annotated)

Committer:
AzureIoTClient
Date:
Thu Oct 04 09:17:16 2018 -0700
Revision:
49:6bb8b9a66642
Parent:
48:81866008bba4 
1.2.10

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:fa2de1b79154 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:fa2de1b79154 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:fa2de1b79154 3
Azure.IoT Build 0:fa2de1b79154 4 #include <stdlib.h>
Azure.IoT Build 0:fa2de1b79154 5 #include <stddef.h>
Azure.IoT Build 0:fa2de1b79154 6 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 21:b92006c5b9ff 7 #include "azure_c_shared_utility/optimize_size.h"
Azure.IoT Build 0:fa2de1b79154 8 #include "azure_c_shared_utility/xio.h"
AzureIoTClient 32:3b68703b9316 9 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:fa2de1b79154 10
AzureIoTClient 7:1af47e3a19b6 11 static const char* CONCRETE_OPTIONS = "concreteOptions";
AzureIoTClient 7:1af47e3a19b6 12
Azure.IoT Build 0:fa2de1b79154 13 typedef struct XIO_INSTANCE_TAG
Azure.IoT Build 0:fa2de1b79154 14 {
Azure.IoT Build 0:fa2de1b79154 15 const IO_INTERFACE_DESCRIPTION* io_interface_description;
AzureIoTClient 19:2e0811512ceb 16 CONCRETE_IO_HANDLE concrete_xio_handle;
Azure.IoT Build 0:fa2de1b79154 17 } XIO_INSTANCE;
Azure.IoT Build 0:fa2de1b79154 18
Azure.IoT Build 6:c55b013dfc2a 19 XIO_HANDLE xio_create(const IO_INTERFACE_DESCRIPTION* io_interface_description, const void* xio_create_parameters)
Azure.IoT Build 0:fa2de1b79154 20 {
Azure.IoT Build 0:fa2de1b79154 21 XIO_INSTANCE* xio_instance;
Azure.IoT Build 0:fa2de1b79154 22 /* Codes_SRS_XIO_01_003: [If the argument io_interface_description is NULL, xio_create shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 23 if ((io_interface_description == NULL) ||
Azure.IoT Build 0:fa2de1b79154 24 /* Codes_SRS_XIO_01_004: [If any io_interface_description member is NULL, xio_create shall return NULL.] */
AzureIoTClient 7:1af47e3a19b6 25 (io_interface_description->concrete_io_retrieveoptions == NULL) ||
Azure.IoT Build 0:fa2de1b79154 26 (io_interface_description->concrete_io_create == NULL) ||
Azure.IoT Build 0:fa2de1b79154 27 (io_interface_description->concrete_io_destroy == NULL) ||
Azure.IoT Build 0:fa2de1b79154 28 (io_interface_description->concrete_io_open == NULL) ||
Azure.IoT Build 0:fa2de1b79154 29 (io_interface_description->concrete_io_close == NULL) ||
Azure.IoT Build 0:fa2de1b79154 30 (io_interface_description->concrete_io_send == NULL) ||
Azure.IoT Build 0:fa2de1b79154 31 (io_interface_description->concrete_io_dowork == NULL) ||
Azure.IoT Build 0:fa2de1b79154 32 (io_interface_description->concrete_io_setoption == NULL))
Azure.IoT Build 0:fa2de1b79154 33 {
Azure.IoT Build 0:fa2de1b79154 34 xio_instance = NULL;
Azure.IoT Build 0:fa2de1b79154 35 }
Azure.IoT Build 0:fa2de1b79154 36 else
Azure.IoT Build 0:fa2de1b79154 37 {
Azure.IoT Build 0:fa2de1b79154 38 xio_instance = (XIO_INSTANCE*)malloc(sizeof(XIO_INSTANCE));
Azure.IoT Build 0:fa2de1b79154 39
Azure.IoT Build 0:fa2de1b79154 40 /* Codes_SRS_XIO_01_017: [If allocating the memory needed for the IO interface fails then xio_create shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 41 if (xio_instance != NULL)
Azure.IoT Build 0:fa2de1b79154 42 {
Azure.IoT Build 0:fa2de1b79154 43 /* Codes_SRS_XIO_01_001: [xio_create shall return on success a non-NULL handle to a new IO interface.] */
Azure.IoT Build 0:fa2de1b79154 44 xio_instance->io_interface_description = io_interface_description;
Azure.IoT Build 0:fa2de1b79154 45
Azure.IoT Build 6:c55b013dfc2a 46 /* Codes_SRS_XIO_01_002: [In order to instantiate the concrete IO implementation the function concrete_io_create from the io_interface_description shall be called, passing the xio_create_parameters argument.] */
Azure.IoT Build 6:c55b013dfc2a 47 xio_instance->concrete_xio_handle = xio_instance->io_interface_description->concrete_io_create((void*)xio_create_parameters);
Azure.IoT Build 0:fa2de1b79154 48
Azure.IoT Build 0:fa2de1b79154 49 /* Codes_SRS_XIO_01_016: [If the underlying concrete_io_create call fails, xio_create shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 50 if (xio_instance->concrete_xio_handle == NULL)
Azure.IoT Build 0:fa2de1b79154 51 {
Azure.IoT Build 0:fa2de1b79154 52 free(xio_instance);
Azure.IoT Build 0:fa2de1b79154 53 xio_instance = NULL;
Azure.IoT Build 0:fa2de1b79154 54 }
Azure.IoT Build 0:fa2de1b79154 55 }
Azure.IoT Build 0:fa2de1b79154 56 }
Azure.IoT Build 0:fa2de1b79154 57 return (XIO_HANDLE)xio_instance;
Azure.IoT Build 0:fa2de1b79154 58 }
Azure.IoT Build 0:fa2de1b79154 59
Azure.IoT Build 0:fa2de1b79154 60 void xio_destroy(XIO_HANDLE xio)
Azure.IoT Build 0:fa2de1b79154 61 {
Azure.IoT Build 0:fa2de1b79154 62 /* Codes_SRS_XIO_01_007: [If the argument io is NULL, xio_destroy shall do nothing.] */
Azure.IoT Build 0:fa2de1b79154 63 if (xio != NULL)
Azure.IoT Build 0:fa2de1b79154 64 {
Azure.IoT Build 0:fa2de1b79154 65 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
Azure.IoT Build 0:fa2de1b79154 66
Azure.IoT Build 0:fa2de1b79154 67 /* Codes_SRS_XIO_01_006: [xio_destroy shall also call the concrete_io_destroy function that is member of the io_interface_description argument passed to xio_create, while passing as argument to concrete_io_destroy the result of the underlying concrete_io_create handle that was called as part of the xio_create call.] */
Azure.IoT Build 0:fa2de1b79154 68 xio_instance->io_interface_description->concrete_io_destroy(xio_instance->concrete_xio_handle);
Azure.IoT Build 0:fa2de1b79154 69
Azure.IoT Build 0:fa2de1b79154 70 /* Codes_SRS_XIO_01_005: [xio_destroy shall free all resources associated with the IO handle.] */
Azure.IoT Build 0:fa2de1b79154 71 free(xio_instance);
Azure.IoT Build 0:fa2de1b79154 72 }
Azure.IoT Build 0:fa2de1b79154 73 }
Azure.IoT Build 0:fa2de1b79154 74
Azure.IoT Build 0:fa2de1b79154 75 int xio_open(XIO_HANDLE xio, ON_IO_OPEN_COMPLETE on_io_open_complete, void* on_io_open_complete_context, ON_BYTES_RECEIVED on_bytes_received, void* on_bytes_received_context, ON_IO_ERROR on_io_error, void* on_io_error_context)
Azure.IoT Build 0:fa2de1b79154 76 {
Azure.IoT Build 0:fa2de1b79154 77 int result;
Azure.IoT Build 0:fa2de1b79154 78
Azure.IoT Build 0:fa2de1b79154 79 if (xio == NULL)
Azure.IoT Build 0:fa2de1b79154 80 {
Azure.IoT Build 0:fa2de1b79154 81 /* Codes_SRS_XIO_01_021: [If handle is NULL, xio_open shall return a non-zero value.] */
AzureIoTClient 21:b92006c5b9ff 82 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 83 }
Azure.IoT Build 0:fa2de1b79154 84 else
Azure.IoT Build 0:fa2de1b79154 85 {
Azure.IoT Build 0:fa2de1b79154 86 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
Azure.IoT Build 0:fa2de1b79154 87
Azure.IoT Build 0:fa2de1b79154 88 /* Codes_SRS_XIO_01_019: [xio_open shall call the specific concrete_xio_open function specified in xio_create, passing callback function and context arguments for three events: open completed, bytes received, and IO error.] */
Azure.IoT Build 0:fa2de1b79154 89 if (xio_instance->io_interface_description->concrete_io_open(xio_instance->concrete_xio_handle, on_io_open_complete, on_io_open_complete_context, on_bytes_received, on_bytes_received_context, on_io_error, on_io_error_context) != 0)
Azure.IoT Build 0:fa2de1b79154 90 {
Azure.IoT Build 0:fa2de1b79154 91 /* Codes_SRS_XIO_01_022: [If the underlying concrete_io_open fails, xio_open shall return a non-zero value.] */
AzureIoTClient 21:b92006c5b9ff 92 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 93 }
Azure.IoT Build 0:fa2de1b79154 94 else
Azure.IoT Build 0:fa2de1b79154 95 {
Azure.IoT Build 0:fa2de1b79154 96 /* Codes_SRS_XIO_01_020: [On success, xio_open shall return 0.] */
Azure.IoT Build 0:fa2de1b79154 97 result = 0;
Azure.IoT Build 0:fa2de1b79154 98 }
Azure.IoT Build 0:fa2de1b79154 99 }
Azure.IoT Build 0:fa2de1b79154 100
Azure.IoT Build 0:fa2de1b79154 101 return result;
Azure.IoT Build 0:fa2de1b79154 102 }
Azure.IoT Build 0:fa2de1b79154 103
Azure.IoT Build 0:fa2de1b79154 104 int xio_close(XIO_HANDLE xio, ON_IO_CLOSE_COMPLETE on_io_close_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 105 {
Azure.IoT Build 0:fa2de1b79154 106 int result;
Azure.IoT Build 0:fa2de1b79154 107
Azure.IoT Build 0:fa2de1b79154 108 if (xio == NULL)
Azure.IoT Build 0:fa2de1b79154 109 {
Azure.IoT Build 0:fa2de1b79154 110 /* Codes_SRS_XIO_01_025: [If handle is NULL, xio_close shall return a non-zero value.] */
AzureIoTClient 21:b92006c5b9ff 111 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 112 }
Azure.IoT Build 0:fa2de1b79154 113 else
Azure.IoT Build 0:fa2de1b79154 114 {
Azure.IoT Build 0:fa2de1b79154 115 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
Azure.IoT Build 0:fa2de1b79154 116
Azure.IoT Build 0:fa2de1b79154 117 /* Codes_SRS_XIO_01_023: [xio_close shall call the specific concrete_io_close function specified in xio_create.] */
Azure.IoT Build 0:fa2de1b79154 118 if (xio_instance->io_interface_description->concrete_io_close(xio_instance->concrete_xio_handle, on_io_close_complete, callback_context) != 0)
Azure.IoT Build 0:fa2de1b79154 119 {
Azure.IoT Build 0:fa2de1b79154 120 /* Codes_SRS_XIO_01_026: [If the underlying concrete_io_close fails, xio_close shall return a non-zero value.] */
AzureIoTClient 21:b92006c5b9ff 121 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 122 }
Azure.IoT Build 0:fa2de1b79154 123 else
Azure.IoT Build 0:fa2de1b79154 124 {
Azure.IoT Build 0:fa2de1b79154 125 /* Codes_SRS_XIO_01_024: [On success, xio_close shall return 0.] */
Azure.IoT Build 0:fa2de1b79154 126 result = 0;
Azure.IoT Build 0:fa2de1b79154 127 }
Azure.IoT Build 0:fa2de1b79154 128 }
Azure.IoT Build 0:fa2de1b79154 129
Azure.IoT Build 0:fa2de1b79154 130 return result;
Azure.IoT Build 0:fa2de1b79154 131 }
Azure.IoT Build 0:fa2de1b79154 132
Azure.IoT Build 0:fa2de1b79154 133 int xio_send(XIO_HANDLE xio, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:fa2de1b79154 134 {
Azure.IoT Build 0:fa2de1b79154 135 int result;
Azure.IoT Build 0:fa2de1b79154 136
Azure.IoT Build 0:fa2de1b79154 137 /* Codes_SRS_XIO_01_011: [No error check shall be performed on buffer and size.] */
Azure.IoT Build 0:fa2de1b79154 138 /* Codes_SRS_XIO_01_010: [If handle is NULL, xio_send shall return a non-zero value.] */
Azure.IoT Build 0:fa2de1b79154 139 if (xio == NULL)
Azure.IoT Build 0:fa2de1b79154 140 {
AzureIoTClient 21:b92006c5b9ff 141 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 142 }
Azure.IoT Build 0:fa2de1b79154 143 else
Azure.IoT Build 0:fa2de1b79154 144 {
Azure.IoT Build 0:fa2de1b79154 145 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
Azure.IoT Build 0:fa2de1b79154 146
Azure.IoT Build 0:fa2de1b79154 147 /* Codes_SRS_XIO_01_008: [xio_send shall pass the sequence of bytes pointed to by buffer to the concrete IO implementation specified in xio_create, by calling the concrete_io_send function while passing down the buffer and size arguments to it.] */
Azure.IoT Build 0:fa2de1b79154 148 /* Codes_SRS_XIO_01_009: [On success, xio_send shall return 0.] */
Azure.IoT Build 0:fa2de1b79154 149 /* Codes_SRS_XIO_01_015: [If the underlying concrete_io_send fails, xio_send shall return a non-zero value.] */
Azure.IoT Build 0:fa2de1b79154 150 /* Codes_SRS_XIO_01_027: [xio_send shall pass to the concrete_io_send function the on_send_complete and callback_context arguments.] */
Azure.IoT Build 0:fa2de1b79154 151 result = xio_instance->io_interface_description->concrete_io_send(xio_instance->concrete_xio_handle, buffer, size, on_send_complete, callback_context);
Azure.IoT Build 0:fa2de1b79154 152 }
Azure.IoT Build 0:fa2de1b79154 153
Azure.IoT Build 0:fa2de1b79154 154 return result;
Azure.IoT Build 0:fa2de1b79154 155 }
Azure.IoT Build 0:fa2de1b79154 156
Azure.IoT Build 0:fa2de1b79154 157 void xio_dowork(XIO_HANDLE xio)
Azure.IoT Build 0:fa2de1b79154 158 {
Azure.IoT Build 0:fa2de1b79154 159 /* Codes_SRS_XIO_01_018: [When the handle argument is NULL, xio_dowork shall do nothing.] */
Azure.IoT Build 0:fa2de1b79154 160 if (xio != NULL)
Azure.IoT Build 0:fa2de1b79154 161 {
Azure.IoT Build 0:fa2de1b79154 162 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
Azure.IoT Build 0:fa2de1b79154 163
Azure.IoT Build 0:fa2de1b79154 164 /* Codes_SRS_XIO_01_012: [xio_dowork shall call the concrete XIO implementation specified in xio_create, by calling the concrete_io_dowork function.] */
Azure.IoT Build 0:fa2de1b79154 165 xio_instance->io_interface_description->concrete_io_dowork(xio_instance->concrete_xio_handle);
Azure.IoT Build 0:fa2de1b79154 166 }
Azure.IoT Build 0:fa2de1b79154 167 }
Azure.IoT Build 0:fa2de1b79154 168
Azure.IoT Build 0:fa2de1b79154 169 int xio_setoption(XIO_HANDLE xio, const char* optionName, const void* value)
Azure.IoT Build 0:fa2de1b79154 170 {
Azure.IoT Build 0:fa2de1b79154 171 int result;
Azure.IoT Build 0:fa2de1b79154 172
AzureIoTClient 7:1af47e3a19b6 173 /* Codes_SRS_XIO_03_030: [If the xio argument or the optionName argument is NULL, xio_setoption shall return a non-zero value.] */
Azure.IoT Build 0:fa2de1b79154 174 if (xio == NULL || optionName == NULL)
Azure.IoT Build 0:fa2de1b79154 175 {
AzureIoTClient 21:b92006c5b9ff 176 result = __FAILURE__;
Azure.IoT Build 0:fa2de1b79154 177 }
Azure.IoT Build 0:fa2de1b79154 178 else
Azure.IoT Build 0:fa2de1b79154 179 {
Azure.IoT Build 0:fa2de1b79154 180 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
Azure.IoT Build 0:fa2de1b79154 181
AzureIoTClient 7:1af47e3a19b6 182 if (strcmp(CONCRETE_OPTIONS, optionName) == 0)
AzureIoTClient 7:1af47e3a19b6 183 {
AzureIoTClient 7:1af47e3a19b6 184 /*then value is a pointer to OPTIONHANDLER_HANDLE*/
AzureIoTClient 7:1af47e3a19b6 185 if (OptionHandler_FeedOptions((OPTIONHANDLER_HANDLE)value, xio_instance->concrete_xio_handle) != OPTIONHANDLER_OK)
AzureIoTClient 7:1af47e3a19b6 186 {
AzureIoTClient 7:1af47e3a19b6 187 LogError("unable to OptionHandler_FeedOptions");
AzureIoTClient 21:b92006c5b9ff 188 result = __FAILURE__;
AzureIoTClient 7:1af47e3a19b6 189 }
AzureIoTClient 7:1af47e3a19b6 190 else
AzureIoTClient 7:1af47e3a19b6 191 {
AzureIoTClient 7:1af47e3a19b6 192 result = 0;
AzureIoTClient 7:1af47e3a19b6 193 }
AzureIoTClient 7:1af47e3a19b6 194 }
AzureIoTClient 48:81866008bba4 195 else /*passthrough*/
AzureIoTClient 7:1af47e3a19b6 196 {
AzureIoTClient 7:1af47e3a19b6 197 /* Codes_SRS_XIO_003_028: [xio_setoption shall pass the optionName and value to the concrete IO implementation specified in xio_create by invoking the concrete_xio_setoption function.] */
AzureIoTClient 7:1af47e3a19b6 198 /* Codes_SRS_XIO_03_029: [xio_setoption shall return 0 upon success.] */
AzureIoTClient 7:1af47e3a19b6 199 /* Codes_SRS_XIO_03_031: [If the underlying concrete_xio_setoption fails, xio_setOption shall return a non-zero value.] */
AzureIoTClient 7:1af47e3a19b6 200 result = xio_instance->io_interface_description->concrete_io_setoption(xio_instance->concrete_xio_handle, optionName, value);
AzureIoTClient 7:1af47e3a19b6 201 }
Azure.IoT Build 0:fa2de1b79154 202 }
Azure.IoT Build 0:fa2de1b79154 203
Azure.IoT Build 0:fa2de1b79154 204 return result;
Azure.IoT Build 0:fa2de1b79154 205 }
AzureIoTClient 7:1af47e3a19b6 206
AzureIoTClient 7:1af47e3a19b6 207 static void* xio_CloneOption(const char* name, const void* value)
AzureIoTClient 7:1af47e3a19b6 208 {
AzureIoTClient 7:1af47e3a19b6 209 void *result;
AzureIoTClient 7:1af47e3a19b6 210 if (
AzureIoTClient 7:1af47e3a19b6 211 (name == NULL) ||
AzureIoTClient 7:1af47e3a19b6 212 (value == NULL)
AzureIoTClient 7:1af47e3a19b6 213 )
AzureIoTClient 7:1af47e3a19b6 214 {
AzureIoTClient 7:1af47e3a19b6 215 LogError("invalid argument detected: const char* name=%p, const void* value=%p", name, value);
AzureIoTClient 7:1af47e3a19b6 216 result = NULL;
AzureIoTClient 7:1af47e3a19b6 217 }
AzureIoTClient 7:1af47e3a19b6 218 else
AzureIoTClient 7:1af47e3a19b6 219 {
AzureIoTClient 7:1af47e3a19b6 220 if (strcmp(name, CONCRETE_OPTIONS) == 0)
AzureIoTClient 7:1af47e3a19b6 221 {
AzureIoTClient 7:1af47e3a19b6 222 result = (void*)value;
AzureIoTClient 7:1af47e3a19b6 223 }
AzureIoTClient 7:1af47e3a19b6 224 else
AzureIoTClient 7:1af47e3a19b6 225 {
AzureIoTClient 7:1af47e3a19b6 226 LogError("unknown option: %s", name);
AzureIoTClient 7:1af47e3a19b6 227 result = NULL;
AzureIoTClient 7:1af47e3a19b6 228 }
AzureIoTClient 7:1af47e3a19b6 229 }
AzureIoTClient 7:1af47e3a19b6 230 return result;
AzureIoTClient 7:1af47e3a19b6 231 }
AzureIoTClient 7:1af47e3a19b6 232
AzureIoTClient 7:1af47e3a19b6 233
AzureIoTClient 7:1af47e3a19b6 234 static void xio_DestroyOption(const char* name, const void* value)
AzureIoTClient 7:1af47e3a19b6 235 {
AzureIoTClient 7:1af47e3a19b6 236 if (
AzureIoTClient 7:1af47e3a19b6 237 (name == NULL) ||
AzureIoTClient 7:1af47e3a19b6 238 (value == NULL)
AzureIoTClient 7:1af47e3a19b6 239 )
AzureIoTClient 7:1af47e3a19b6 240 {
AzureIoTClient 7:1af47e3a19b6 241 LogError("invalid argument detected: const char* name=%p, const void* value=%p", name, value);
AzureIoTClient 7:1af47e3a19b6 242 }
AzureIoTClient 7:1af47e3a19b6 243 else
AzureIoTClient 7:1af47e3a19b6 244 {
AzureIoTClient 7:1af47e3a19b6 245 if (strcmp(name, CONCRETE_OPTIONS) == 0)
AzureIoTClient 7:1af47e3a19b6 246 {
AzureIoTClient 7:1af47e3a19b6 247 OptionHandler_Destroy((OPTIONHANDLER_HANDLE)value);
AzureIoTClient 7:1af47e3a19b6 248 }
AzureIoTClient 7:1af47e3a19b6 249 else
AzureIoTClient 7:1af47e3a19b6 250 {
AzureIoTClient 7:1af47e3a19b6 251 LogError("unknown option: %s", name);
AzureIoTClient 7:1af47e3a19b6 252 }
AzureIoTClient 7:1af47e3a19b6 253 }
AzureIoTClient 7:1af47e3a19b6 254 }
AzureIoTClient 7:1af47e3a19b6 255
AzureIoTClient 7:1af47e3a19b6 256 OPTIONHANDLER_HANDLE xio_retrieveoptions(XIO_HANDLE xio)
AzureIoTClient 7:1af47e3a19b6 257 {
AzureIoTClient 7:1af47e3a19b6 258 OPTIONHANDLER_HANDLE result;
AzureIoTClient 7:1af47e3a19b6 259
AzureIoTClient 7:1af47e3a19b6 260 if (xio == NULL)
AzureIoTClient 7:1af47e3a19b6 261 {
AzureIoTClient 7:1af47e3a19b6 262 LogError("invalid argument detected: XIO_HANDLE xio=%p", xio);
AzureIoTClient 7:1af47e3a19b6 263 result = NULL;
AzureIoTClient 7:1af47e3a19b6 264 }
AzureIoTClient 7:1af47e3a19b6 265 else
AzureIoTClient 7:1af47e3a19b6 266 {
AzureIoTClient 7:1af47e3a19b6 267 XIO_INSTANCE* xio_instance = (XIO_INSTANCE*)xio;
AzureIoTClient 7:1af47e3a19b6 268 /*xio_retrieveoptions shall return a OPTIONHANDLER_HANDLE that has 1 option called "underlyingOptions" which is of type OPTIONHANDLER_HANDLE*/
AzureIoTClient 7:1af47e3a19b6 269 result = OptionHandler_Create(xio_CloneOption, xio_DestroyOption, (pfSetOption)xio_setoption);
AzureIoTClient 7:1af47e3a19b6 270 if (result == NULL)
AzureIoTClient 7:1af47e3a19b6 271 {
AzureIoTClient 7:1af47e3a19b6 272 LogError("unable to OptionHandler_Create");
AzureIoTClient 7:1af47e3a19b6 273 /*return as is*/
AzureIoTClient 7:1af47e3a19b6 274 }
AzureIoTClient 7:1af47e3a19b6 275 else
AzureIoTClient 7:1af47e3a19b6 276 {
AzureIoTClient 7:1af47e3a19b6 277 OPTIONHANDLER_HANDLE concreteOptions = xio_instance->io_interface_description->concrete_io_retrieveoptions(xio_instance->concrete_xio_handle);
AzureIoTClient 7:1af47e3a19b6 278 if (concreteOptions == NULL)
AzureIoTClient 7:1af47e3a19b6 279 {
AzureIoTClient 7:1af47e3a19b6 280 LogError("unable to concrete_io_retrieveoptions");
AzureIoTClient 7:1af47e3a19b6 281 OptionHandler_Destroy(result);
AzureIoTClient 7:1af47e3a19b6 282 result = NULL;
AzureIoTClient 7:1af47e3a19b6 283 }
AzureIoTClient 7:1af47e3a19b6 284 else
AzureIoTClient 7:1af47e3a19b6 285 {
AzureIoTClient 7:1af47e3a19b6 286 if (OptionHandler_AddOption(result, CONCRETE_OPTIONS, concreteOptions) != OPTIONHANDLER_OK)
AzureIoTClient 7:1af47e3a19b6 287 {
AzureIoTClient 7:1af47e3a19b6 288 LogError("unable to OptionHandler_AddOption");
AzureIoTClient 7:1af47e3a19b6 289 OptionHandler_Destroy(concreteOptions);
AzureIoTClient 7:1af47e3a19b6 290 OptionHandler_Destroy(result);
AzureIoTClient 7:1af47e3a19b6 291 result = NULL;
AzureIoTClient 7:1af47e3a19b6 292 }
AzureIoTClient 7:1af47e3a19b6 293 else
AzureIoTClient 7:1af47e3a19b6 294 {
AzureIoTClient 7:1af47e3a19b6 295 /*all is fine*/
AzureIoTClient 7:1af47e3a19b6 296 }
AzureIoTClient 7:1af47e3a19b6 297 }
AzureIoTClient 7:1af47e3a19b6 298 }
AzureIoTClient 7:1af47e3a19b6 299 }
AzureIoTClient 7:1af47e3a19b6 300
AzureIoTClient 7:1af47e3a19b6 301 return result;
AzureIoTClient 7:1af47e3a19b6 302 }
AzureIoTClient 7:1af47e3a19b6 303