Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

header_detect_io.c@19:000ab4e6a2c1, 2017-02-24 (annotated)

Committer:
AzureIoTClient
Date:
Fri Feb 24 14:00:58 2017 -0800
Revision:
19:000ab4e6a2c1
Parent:
17:923575db8b2d
Child:
21:f9c433d8e6ca
1.1.8

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
AzureIoTClient 19:000ab4e6a2c1 4 #include "azure_c_shared_utility/optimize_size.h"
Azure.IoT Build 0:6ae2f7bca550 5 #include "azure_uamqp_c/header_detect_io.h"
Azure.IoT Build 0:6ae2f7bca550 6 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 7
Azure.IoT Build 0:6ae2f7bca550 8 typedef enum IO_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 9 {
Azure.IoT Build 0:6ae2f7bca550 10 IO_STATE_NOT_OPEN,
Azure.IoT Build 0:6ae2f7bca550 11 IO_STATE_OPENING_UNDERLYING_IO,
Azure.IoT Build 0:6ae2f7bca550 12 IO_STATE_WAIT_FOR_HEADER,
Azure.IoT Build 0:6ae2f7bca550 13 IO_STATE_OPEN,
Azure.IoT Build 0:6ae2f7bca550 14 IO_STATE_CLOSING,
Azure.IoT Build 0:6ae2f7bca550 15 IO_STATE_ERROR
Azure.IoT Build 0:6ae2f7bca550 16 } IO_STATE;
Azure.IoT Build 0:6ae2f7bca550 17
Azure.IoT Build 0:6ae2f7bca550 18 typedef struct HEADER_DETECT_IO_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 19 {
Azure.IoT Build 0:6ae2f7bca550 20 XIO_HANDLE underlying_io;
Azure.IoT Build 0:6ae2f7bca550 21 size_t header_pos;
Azure.IoT Build 0:6ae2f7bca550 22 IO_STATE io_state;
Azure.IoT Build 0:6ae2f7bca550 23 ON_IO_OPEN_COMPLETE on_io_open_complete;
Azure.IoT Build 0:6ae2f7bca550 24 ON_IO_CLOSE_COMPLETE on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 25 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:6ae2f7bca550 26 ON_BYTES_RECEIVED on_bytes_received;
Azure.IoT Build 0:6ae2f7bca550 27 void* on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 28 void* on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 29 void* on_io_error_context;
Azure.IoT Build 0:6ae2f7bca550 30 void* on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 31 } HEADER_DETECT_IO_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 32
Azure.IoT Build 0:6ae2f7bca550 33 static const unsigned char amqp_header[] = { 'A', 'M', 'Q', 'P', 0, 1, 0, 0 };
Azure.IoT Build 0:6ae2f7bca550 34
Azure.IoT Build 0:6ae2f7bca550 35 static void indicate_error(HEADER_DETECT_IO_INSTANCE* header_detect_io_instance)
Azure.IoT Build 0:6ae2f7bca550 36 {
Azure.IoT Build 0:6ae2f7bca550 37 if (header_detect_io_instance->on_io_error != NULL)
Azure.IoT Build 0:6ae2f7bca550 38 {
Azure.IoT Build 0:6ae2f7bca550 39 header_detect_io_instance->on_io_error(header_detect_io_instance->on_io_error_context);
Azure.IoT Build 0:6ae2f7bca550 40 }
Azure.IoT Build 0:6ae2f7bca550 41 }
Azure.IoT Build 0:6ae2f7bca550 42
Azure.IoT Build 0:6ae2f7bca550 43 static void indicate_open_complete(HEADER_DETECT_IO_INSTANCE* header_detect_io_instance, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 44 {
Azure.IoT Build 0:6ae2f7bca550 45 if (header_detect_io_instance->on_io_open_complete != NULL)
Azure.IoT Build 0:6ae2f7bca550 46 {
Azure.IoT Build 0:6ae2f7bca550 47 header_detect_io_instance->on_io_open_complete(header_detect_io_instance->on_io_open_complete_context, open_result);
Azure.IoT Build 0:6ae2f7bca550 48 }
Azure.IoT Build 0:6ae2f7bca550 49 }
Azure.IoT Build 0:6ae2f7bca550 50
Azure.IoT Build 0:6ae2f7bca550 51 static void indicate_close_complete(HEADER_DETECT_IO_INSTANCE* header_detect_io_instance)
Azure.IoT Build 0:6ae2f7bca550 52 {
Azure.IoT Build 0:6ae2f7bca550 53 if (header_detect_io_instance->on_io_close_complete != NULL)
Azure.IoT Build 0:6ae2f7bca550 54 {
Azure.IoT Build 0:6ae2f7bca550 55 header_detect_io_instance->on_io_close_complete(header_detect_io_instance->on_io_close_complete_context);
Azure.IoT Build 0:6ae2f7bca550 56 }
Azure.IoT Build 0:6ae2f7bca550 57 }
Azure.IoT Build 0:6ae2f7bca550 58
Azure.IoT Build 0:6ae2f7bca550 59 static void on_underlying_io_error(void* context);
Azure.IoT Build 0:6ae2f7bca550 60 static void on_send_complete_close(void* context, IO_SEND_RESULT send_result)
Azure.IoT Build 0:6ae2f7bca550 61 {
AzureIoTClient 6:641a9672db08 62 (void)send_result;
Azure.IoT Build 0:6ae2f7bca550 63 on_underlying_io_error(context);
Azure.IoT Build 0:6ae2f7bca550 64 }
Azure.IoT Build 0:6ae2f7bca550 65
Azure.IoT Build 0:6ae2f7bca550 66 static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 67 {
Azure.IoT Build 0:6ae2f7bca550 68 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 69
Azure.IoT Build 0:6ae2f7bca550 70 while (size > 0)
Azure.IoT Build 0:6ae2f7bca550 71 {
Azure.IoT Build 0:6ae2f7bca550 72 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 73 {
Azure.IoT Build 0:6ae2f7bca550 74 default:
Azure.IoT Build 0:6ae2f7bca550 75 break;
Azure.IoT Build 0:6ae2f7bca550 76
Azure.IoT Build 0:6ae2f7bca550 77 case IO_STATE_WAIT_FOR_HEADER:
Azure.IoT Build 0:6ae2f7bca550 78 if (amqp_header[header_detect_io_instance->header_pos] != buffer[0])
Azure.IoT Build 0:6ae2f7bca550 79 {
Azure.IoT Build 0:6ae2f7bca550 80 /* Send expected header, then close as per spec. We do not care if we fail */
Azure.IoT Build 0:6ae2f7bca550 81 (void)xio_send(header_detect_io_instance->underlying_io, amqp_header, sizeof(amqp_header), on_send_complete_close, context);
Azure.IoT Build 0:6ae2f7bca550 82
Azure.IoT Build 0:6ae2f7bca550 83 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 84 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 85 size = 0;
Azure.IoT Build 0:6ae2f7bca550 86 }
Azure.IoT Build 0:6ae2f7bca550 87 else
Azure.IoT Build 0:6ae2f7bca550 88 {
Azure.IoT Build 0:6ae2f7bca550 89 header_detect_io_instance->header_pos++;
Azure.IoT Build 0:6ae2f7bca550 90 size--;
Azure.IoT Build 0:6ae2f7bca550 91 buffer++;
Azure.IoT Build 0:6ae2f7bca550 92 if (header_detect_io_instance->header_pos == sizeof(amqp_header))
Azure.IoT Build 0:6ae2f7bca550 93 {
Azure.IoT Build 0:6ae2f7bca550 94 if (xio_send(header_detect_io_instance->underlying_io, amqp_header, sizeof(amqp_header), NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 95 {
Azure.IoT Build 0:6ae2f7bca550 96 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 97 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 98 }
Azure.IoT Build 0:6ae2f7bca550 99 else
Azure.IoT Build 0:6ae2f7bca550 100 {
Azure.IoT Build 0:6ae2f7bca550 101 header_detect_io_instance->io_state = IO_STATE_OPEN;
Azure.IoT Build 0:6ae2f7bca550 102 indicate_open_complete(header_detect_io_instance, IO_OPEN_OK);
Azure.IoT Build 0:6ae2f7bca550 103 }
Azure.IoT Build 0:6ae2f7bca550 104 }
Azure.IoT Build 0:6ae2f7bca550 105 }
Azure.IoT Build 0:6ae2f7bca550 106 break;
Azure.IoT Build 0:6ae2f7bca550 107
Azure.IoT Build 0:6ae2f7bca550 108 case IO_STATE_OPEN:
Azure.IoT Build 0:6ae2f7bca550 109 header_detect_io_instance->on_bytes_received(header_detect_io_instance->on_bytes_received_context, buffer, size);
Azure.IoT Build 0:6ae2f7bca550 110 size = 0;
Azure.IoT Build 0:6ae2f7bca550 111 break;
Azure.IoT Build 0:6ae2f7bca550 112 }
Azure.IoT Build 0:6ae2f7bca550 113 }
Azure.IoT Build 0:6ae2f7bca550 114 }
Azure.IoT Build 0:6ae2f7bca550 115
Azure.IoT Build 0:6ae2f7bca550 116 static void on_underlying_io_close_complete(void* context)
Azure.IoT Build 0:6ae2f7bca550 117 {
Azure.IoT Build 0:6ae2f7bca550 118 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 119
Azure.IoT Build 0:6ae2f7bca550 120 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 121 {
Azure.IoT Build 0:6ae2f7bca550 122 default:
Azure.IoT Build 0:6ae2f7bca550 123 break;
Azure.IoT Build 0:6ae2f7bca550 124
Azure.IoT Build 0:6ae2f7bca550 125 case IO_STATE_CLOSING:
Azure.IoT Build 0:6ae2f7bca550 126 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 127 indicate_close_complete(header_detect_io_instance);
Azure.IoT Build 0:6ae2f7bca550 128 break;
Azure.IoT Build 0:6ae2f7bca550 129
Azure.IoT Build 0:6ae2f7bca550 130 case IO_STATE_WAIT_FOR_HEADER:
Azure.IoT Build 0:6ae2f7bca550 131 case IO_STATE_OPENING_UNDERLYING_IO:
Azure.IoT Build 0:6ae2f7bca550 132 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 133 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 134 break;
Azure.IoT Build 0:6ae2f7bca550 135 }
Azure.IoT Build 0:6ae2f7bca550 136 }
Azure.IoT Build 0:6ae2f7bca550 137
Azure.IoT Build 0:6ae2f7bca550 138 static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 139 {
Azure.IoT Build 0:6ae2f7bca550 140 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 141
Azure.IoT Build 0:6ae2f7bca550 142 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 143 {
Azure.IoT Build 0:6ae2f7bca550 144 default:
Azure.IoT Build 0:6ae2f7bca550 145 break;
Azure.IoT Build 0:6ae2f7bca550 146
Azure.IoT Build 0:6ae2f7bca550 147 case IO_STATE_OPENING_UNDERLYING_IO:
Azure.IoT Build 0:6ae2f7bca550 148 if (open_result == IO_OPEN_OK)
Azure.IoT Build 0:6ae2f7bca550 149 {
Azure.IoT Build 0:6ae2f7bca550 150 header_detect_io_instance->io_state = IO_STATE_WAIT_FOR_HEADER;
Azure.IoT Build 0:6ae2f7bca550 151 }
Azure.IoT Build 0:6ae2f7bca550 152 else
Azure.IoT Build 0:6ae2f7bca550 153 {
Azure.IoT Build 0:6ae2f7bca550 154 if (xio_close(header_detect_io_instance->underlying_io, on_underlying_io_close_complete, header_detect_io_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 155 {
Azure.IoT Build 0:6ae2f7bca550 156 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 157 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 158 }
Azure.IoT Build 0:6ae2f7bca550 159 }
Azure.IoT Build 0:6ae2f7bca550 160
Azure.IoT Build 0:6ae2f7bca550 161 break;
Azure.IoT Build 0:6ae2f7bca550 162 }
Azure.IoT Build 0:6ae2f7bca550 163 }
Azure.IoT Build 0:6ae2f7bca550 164
Azure.IoT Build 0:6ae2f7bca550 165 static void on_underlying_io_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 166 {
Azure.IoT Build 0:6ae2f7bca550 167 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 168
Azure.IoT Build 0:6ae2f7bca550 169 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 170 {
Azure.IoT Build 0:6ae2f7bca550 171 default:
Azure.IoT Build 0:6ae2f7bca550 172 break;
Azure.IoT Build 0:6ae2f7bca550 173
Azure.IoT Build 0:6ae2f7bca550 174 case IO_STATE_WAIT_FOR_HEADER:
Azure.IoT Build 0:6ae2f7bca550 175 case IO_STATE_OPENING_UNDERLYING_IO:
Azure.IoT Build 0:6ae2f7bca550 176 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 177 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 178 break;
Azure.IoT Build 0:6ae2f7bca550 179
Azure.IoT Build 0:6ae2f7bca550 180 case IO_STATE_OPEN:
Azure.IoT Build 0:6ae2f7bca550 181 header_detect_io_instance->io_state = IO_STATE_ERROR;
Azure.IoT Build 0:6ae2f7bca550 182 indicate_error(header_detect_io_instance);
Azure.IoT Build 0:6ae2f7bca550 183 break;
Azure.IoT Build 0:6ae2f7bca550 184 }
Azure.IoT Build 0:6ae2f7bca550 185 }
Azure.IoT Build 0:6ae2f7bca550 186
Azure.IoT Build 5:ae49385aff34 187 CONCRETE_IO_HANDLE headerdetectio_create(void* io_create_parameters)
Azure.IoT Build 0:6ae2f7bca550 188 {
Azure.IoT Build 0:6ae2f7bca550 189 HEADER_DETECT_IO_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 190
Azure.IoT Build 0:6ae2f7bca550 191 if (io_create_parameters == NULL)
Azure.IoT Build 0:6ae2f7bca550 192 {
Azure.IoT Build 0:6ae2f7bca550 193 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 194 }
Azure.IoT Build 0:6ae2f7bca550 195 else
Azure.IoT Build 0:6ae2f7bca550 196 {
Azure.IoT Build 0:6ae2f7bca550 197 HEADERDETECTIO_CONFIG* header_detect_io_config = (HEADERDETECTIO_CONFIG*)io_create_parameters;
Azure.IoT Build 0:6ae2f7bca550 198 result = (HEADER_DETECT_IO_INSTANCE*)amqpalloc_malloc(sizeof(HEADER_DETECT_IO_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 199 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 200 {
Azure.IoT Build 0:6ae2f7bca550 201 result->underlying_io = header_detect_io_config->underlying_io;
Azure.IoT Build 0:6ae2f7bca550 202 result->on_io_open_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 203 result->on_io_close_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 204 result->on_io_error = NULL;
Azure.IoT Build 0:6ae2f7bca550 205 result->on_bytes_received = NULL;
Azure.IoT Build 0:6ae2f7bca550 206 result->on_io_open_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 207 result->on_io_close_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 208 result->on_io_error_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 209 result->on_bytes_received_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 210
Azure.IoT Build 0:6ae2f7bca550 211 result->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 212 }
Azure.IoT Build 0:6ae2f7bca550 213 }
Azure.IoT Build 0:6ae2f7bca550 214
Azure.IoT Build 0:6ae2f7bca550 215 return result;
Azure.IoT Build 0:6ae2f7bca550 216 }
Azure.IoT Build 0:6ae2f7bca550 217
Azure.IoT Build 0:6ae2f7bca550 218 void headerdetectio_destroy(CONCRETE_IO_HANDLE header_detect_io)
Azure.IoT Build 0:6ae2f7bca550 219 {
Azure.IoT Build 0:6ae2f7bca550 220 if (header_detect_io != NULL)
Azure.IoT Build 0:6ae2f7bca550 221 {
Azure.IoT Build 0:6ae2f7bca550 222 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 223 (void)headerdetectio_close(header_detect_io, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 224 xio_destroy(header_detect_io_instance->underlying_io);
Azure.IoT Build 0:6ae2f7bca550 225 amqpalloc_free(header_detect_io);
Azure.IoT Build 0:6ae2f7bca550 226 }
Azure.IoT Build 0:6ae2f7bca550 227 }
Azure.IoT Build 0:6ae2f7bca550 228
Azure.IoT Build 0:6ae2f7bca550 229 int headerdetectio_open(CONCRETE_IO_HANDLE header_detect_io, 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 0:6ae2f7bca550 230 {
Azure.IoT Build 0:6ae2f7bca550 231 int result;
Azure.IoT Build 0:6ae2f7bca550 232
Azure.IoT Build 0:6ae2f7bca550 233 if (header_detect_io == NULL)
Azure.IoT Build 0:6ae2f7bca550 234 {
AzureIoTClient 19:000ab4e6a2c1 235 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 236 }
Azure.IoT Build 0:6ae2f7bca550 237 else
Azure.IoT Build 0:6ae2f7bca550 238 {
Azure.IoT Build 0:6ae2f7bca550 239 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 240
Azure.IoT Build 0:6ae2f7bca550 241 if (header_detect_io_instance->io_state != IO_STATE_NOT_OPEN &&
Azure.IoT Build 0:6ae2f7bca550 242 header_detect_io_instance->io_state != IO_STATE_OPEN)
Azure.IoT Build 0:6ae2f7bca550 243 {
AzureIoTClient 19:000ab4e6a2c1 244 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 245 }
Azure.IoT Build 0:6ae2f7bca550 246 else
Azure.IoT Build 0:6ae2f7bca550 247 {
Azure.IoT Build 0:6ae2f7bca550 248 header_detect_io_instance->on_bytes_received = on_bytes_received;
Azure.IoT Build 0:6ae2f7bca550 249 header_detect_io_instance->on_io_open_complete = on_io_open_complete;
Azure.IoT Build 0:6ae2f7bca550 250 header_detect_io_instance->on_io_error = on_io_error;
Azure.IoT Build 0:6ae2f7bca550 251 header_detect_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 252 header_detect_io_instance->on_io_open_complete_context = on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 253 header_detect_io_instance->on_io_error_context = on_io_error_context;
Azure.IoT Build 0:6ae2f7bca550 254
Azure.IoT Build 0:6ae2f7bca550 255 if (header_detect_io_instance->io_state == IO_STATE_OPEN)
Azure.IoT Build 0:6ae2f7bca550 256 {
Azure.IoT Build 0:6ae2f7bca550 257 indicate_open_complete(header_detect_io_instance, IO_OPEN_OK);
Azure.IoT Build 0:6ae2f7bca550 258 result = 0;
Azure.IoT Build 0:6ae2f7bca550 259 }
Azure.IoT Build 0:6ae2f7bca550 260 else
Azure.IoT Build 0:6ae2f7bca550 261 {
Azure.IoT Build 0:6ae2f7bca550 262 header_detect_io_instance->header_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 263 header_detect_io_instance->io_state = IO_STATE_OPENING_UNDERLYING_IO;
Azure.IoT Build 0:6ae2f7bca550 264
Azure.IoT Build 0:6ae2f7bca550 265 if (xio_open(header_detect_io_instance->underlying_io, on_underlying_io_open_complete, header_detect_io_instance, on_underlying_io_bytes_received, header_detect_io_instance, on_underlying_io_error, header_detect_io_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 266 {
AzureIoTClient 19:000ab4e6a2c1 267 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 268 }
Azure.IoT Build 0:6ae2f7bca550 269 else
Azure.IoT Build 0:6ae2f7bca550 270 {
Azure.IoT Build 0:6ae2f7bca550 271 result = 0;
Azure.IoT Build 0:6ae2f7bca550 272 }
Azure.IoT Build 0:6ae2f7bca550 273 }
Azure.IoT Build 0:6ae2f7bca550 274 }
Azure.IoT Build 0:6ae2f7bca550 275 }
Azure.IoT Build 0:6ae2f7bca550 276
Azure.IoT Build 0:6ae2f7bca550 277 return result;
Azure.IoT Build 0:6ae2f7bca550 278 }
Azure.IoT Build 0:6ae2f7bca550 279
Azure.IoT Build 0:6ae2f7bca550 280 int headerdetectio_close(CONCRETE_IO_HANDLE header_detect_io, ON_IO_CLOSE_COMPLETE on_io_close_complete, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 281 {
Azure.IoT Build 0:6ae2f7bca550 282 int result;
Azure.IoT Build 0:6ae2f7bca550 283
Azure.IoT Build 0:6ae2f7bca550 284 if (header_detect_io == NULL)
Azure.IoT Build 0:6ae2f7bca550 285 {
AzureIoTClient 19:000ab4e6a2c1 286 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 287 }
Azure.IoT Build 0:6ae2f7bca550 288 else
Azure.IoT Build 0:6ae2f7bca550 289 {
Azure.IoT Build 0:6ae2f7bca550 290 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 291
Azure.IoT Build 0:6ae2f7bca550 292 if ((header_detect_io_instance->io_state == IO_STATE_NOT_OPEN) ||
Azure.IoT Build 0:6ae2f7bca550 293 (header_detect_io_instance->io_state == IO_STATE_CLOSING))
Azure.IoT Build 0:6ae2f7bca550 294 {
AzureIoTClient 19:000ab4e6a2c1 295 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 296 }
Azure.IoT Build 0:6ae2f7bca550 297 else
Azure.IoT Build 0:6ae2f7bca550 298 {
Azure.IoT Build 0:6ae2f7bca550 299 header_detect_io_instance->io_state = IO_STATE_CLOSING;
Azure.IoT Build 0:6ae2f7bca550 300 header_detect_io_instance->on_io_close_complete = on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 301 header_detect_io_instance->on_io_close_complete_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 302
Azure.IoT Build 0:6ae2f7bca550 303 if (xio_close(header_detect_io_instance->underlying_io, on_underlying_io_close_complete, header_detect_io_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 304 {
AzureIoTClient 19:000ab4e6a2c1 305 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 306 }
Azure.IoT Build 0:6ae2f7bca550 307 else
Azure.IoT Build 0:6ae2f7bca550 308 {
Azure.IoT Build 0:6ae2f7bca550 309 result = 0;
Azure.IoT Build 0:6ae2f7bca550 310 }
Azure.IoT Build 0:6ae2f7bca550 311 }
Azure.IoT Build 0:6ae2f7bca550 312 }
Azure.IoT Build 0:6ae2f7bca550 313
Azure.IoT Build 0:6ae2f7bca550 314 return result;
Azure.IoT Build 0:6ae2f7bca550 315 }
Azure.IoT Build 0:6ae2f7bca550 316
Azure.IoT Build 0:6ae2f7bca550 317 int headerdetectio_send(CONCRETE_IO_HANDLE header_detect_io, const void* buffer, size_t size, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 318 {
Azure.IoT Build 0:6ae2f7bca550 319 int result;
Azure.IoT Build 0:6ae2f7bca550 320
Azure.IoT Build 0:6ae2f7bca550 321 if (header_detect_io == NULL)
Azure.IoT Build 0:6ae2f7bca550 322 {
AzureIoTClient 19:000ab4e6a2c1 323 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 324 }
Azure.IoT Build 0:6ae2f7bca550 325 else
Azure.IoT Build 0:6ae2f7bca550 326 {
Azure.IoT Build 0:6ae2f7bca550 327 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 328
Azure.IoT Build 0:6ae2f7bca550 329 if (header_detect_io_instance->io_state != IO_STATE_OPEN)
Azure.IoT Build 0:6ae2f7bca550 330 {
AzureIoTClient 19:000ab4e6a2c1 331 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 332 }
Azure.IoT Build 0:6ae2f7bca550 333 else
Azure.IoT Build 0:6ae2f7bca550 334 {
Azure.IoT Build 0:6ae2f7bca550 335 if (xio_send(header_detect_io_instance->underlying_io, buffer, size, on_send_complete, callback_context) != 0)
Azure.IoT Build 0:6ae2f7bca550 336 {
AzureIoTClient 19:000ab4e6a2c1 337 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 338 }
Azure.IoT Build 0:6ae2f7bca550 339 else
Azure.IoT Build 0:6ae2f7bca550 340 {
Azure.IoT Build 0:6ae2f7bca550 341 result = 0;
Azure.IoT Build 0:6ae2f7bca550 342 }
Azure.IoT Build 0:6ae2f7bca550 343 }
Azure.IoT Build 0:6ae2f7bca550 344 }
Azure.IoT Build 0:6ae2f7bca550 345
Azure.IoT Build 0:6ae2f7bca550 346 return result;
Azure.IoT Build 0:6ae2f7bca550 347 }
Azure.IoT Build 0:6ae2f7bca550 348
Azure.IoT Build 0:6ae2f7bca550 349 void headerdetectio_dowork(CONCRETE_IO_HANDLE header_detect_io)
Azure.IoT Build 0:6ae2f7bca550 350 {
Azure.IoT Build 0:6ae2f7bca550 351 if (header_detect_io != NULL)
Azure.IoT Build 0:6ae2f7bca550 352 {
Azure.IoT Build 0:6ae2f7bca550 353 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 354
Azure.IoT Build 0:6ae2f7bca550 355 if ((header_detect_io_instance->io_state != IO_STATE_NOT_OPEN) &&
Azure.IoT Build 0:6ae2f7bca550 356 (header_detect_io_instance->io_state != IO_STATE_ERROR))
Azure.IoT Build 0:6ae2f7bca550 357 {
Azure.IoT Build 0:6ae2f7bca550 358 xio_dowork(header_detect_io_instance->underlying_io);
Azure.IoT Build 0:6ae2f7bca550 359 }
Azure.IoT Build 0:6ae2f7bca550 360 }
Azure.IoT Build 0:6ae2f7bca550 361 }
Azure.IoT Build 0:6ae2f7bca550 362
AzureIoTClient 1:eab586236bfe 363 int headerdetectio_setoption(CONCRETE_IO_HANDLE header_detect_io, const char* optionName, const void* value)
Azure.IoT Build 0:6ae2f7bca550 364 {
AzureIoTClient 1:eab586236bfe 365 int result;
AzureIoTClient 1:eab586236bfe 366
AzureIoTClient 1:eab586236bfe 367 if (header_detect_io == NULL)
AzureIoTClient 1:eab586236bfe 368 {
AzureIoTClient 19:000ab4e6a2c1 369 result = __FAILURE__;
AzureIoTClient 1:eab586236bfe 370 }
AzureIoTClient 1:eab586236bfe 371 else
AzureIoTClient 1:eab586236bfe 372 {
AzureIoTClient 1:eab586236bfe 373 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
AzureIoTClient 1:eab586236bfe 374
AzureIoTClient 1:eab586236bfe 375 if (header_detect_io_instance->underlying_io == NULL)
AzureIoTClient 1:eab586236bfe 376 {
AzureIoTClient 19:000ab4e6a2c1 377 result = __FAILURE__;
AzureIoTClient 1:eab586236bfe 378 }
AzureIoTClient 1:eab586236bfe 379 else
AzureIoTClient 1:eab586236bfe 380 {
AzureIoTClient 1:eab586236bfe 381 result = xio_setoption(header_detect_io_instance->underlying_io, optionName, value);
AzureIoTClient 1:eab586236bfe 382 }
AzureIoTClient 1:eab586236bfe 383 }
AzureIoTClient 1:eab586236bfe 384
AzureIoTClient 1:eab586236bfe 385 return result;
Azure.IoT Build 0:6ae2f7bca550 386 }
Azure.IoT Build 0:6ae2f7bca550 387
AzureIoTClient 6:641a9672db08 388 /*this function will clone an option given by name and value*/
AzureIoTClient 6:641a9672db08 389 static void* headerdetectio_CloneOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 390 {
AzureIoTClient 17:923575db8b2d 391 (void)name;
AzureIoTClient 17:923575db8b2d 392 (void)value;
AzureIoTClient 6:641a9672db08 393 return NULL;
AzureIoTClient 6:641a9672db08 394 }
AzureIoTClient 6:641a9672db08 395
AzureIoTClient 6:641a9672db08 396 /*this function destroys an option previously created*/
AzureIoTClient 6:641a9672db08 397 static void headerdetectio_DestroyOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 398 {
AzureIoTClient 17:923575db8b2d 399 (void)name;
AzureIoTClient 17:923575db8b2d 400 (void)value;
AzureIoTClient 6:641a9672db08 401 }
AzureIoTClient 6:641a9672db08 402
AzureIoTClient 6:641a9672db08 403 static OPTIONHANDLER_HANDLE headerdetectio_retrieveoptions(CONCRETE_IO_HANDLE handle)
AzureIoTClient 6:641a9672db08 404 {
AzureIoTClient 6:641a9672db08 405 OPTIONHANDLER_HANDLE result;
AzureIoTClient 6:641a9672db08 406 (void)handle;
AzureIoTClient 6:641a9672db08 407 result = OptionHandler_Create(headerdetectio_CloneOption, headerdetectio_DestroyOption, headerdetectio_setoption);
AzureIoTClient 6:641a9672db08 408 if (result == NULL)
AzureIoTClient 6:641a9672db08 409 {
AzureIoTClient 6:641a9672db08 410 LogError("unable to OptionHandler_Create");
AzureIoTClient 6:641a9672db08 411 /*return as is*/
AzureIoTClient 6:641a9672db08 412 }
AzureIoTClient 6:641a9672db08 413 else
AzureIoTClient 6:641a9672db08 414 {
AzureIoTClient 6:641a9672db08 415 /*insert here work to add the options to "result" handle*/
AzureIoTClient 6:641a9672db08 416 }
AzureIoTClient 6:641a9672db08 417 return result;
AzureIoTClient 6:641a9672db08 418 }
AzureIoTClient 6:641a9672db08 419
Azure.IoT Build 0:6ae2f7bca550 420 static const IO_INTERFACE_DESCRIPTION header_detect_io_interface_description =
Azure.IoT Build 0:6ae2f7bca550 421 {
AzureIoTClient 6:641a9672db08 422 headerdetectio_retrieveoptions,
Azure.IoT Build 0:6ae2f7bca550 423 headerdetectio_create,
Azure.IoT Build 0:6ae2f7bca550 424 headerdetectio_destroy,
Azure.IoT Build 0:6ae2f7bca550 425 headerdetectio_open,
Azure.IoT Build 0:6ae2f7bca550 426 headerdetectio_close,
Azure.IoT Build 0:6ae2f7bca550 427 headerdetectio_send,
Azure.IoT Build 0:6ae2f7bca550 428 headerdetectio_dowork,
Azure.IoT Build 0:6ae2f7bca550 429 headerdetectio_setoption
Azure.IoT Build 0:6ae2f7bca550 430 };
Azure.IoT Build 0:6ae2f7bca550 431
Azure.IoT Build 0:6ae2f7bca550 432 const IO_INTERFACE_DESCRIPTION* headerdetectio_get_interface_description(void)
Azure.IoT Build 0:6ae2f7bca550 433 {
Azure.IoT Build 0:6ae2f7bca550 434 return &header_detect_io_interface_description;
Azure.IoT Build 0:6ae2f7bca550 435 }