Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

header_detect_io.c@27:d74f1cea23e1, 2017-06-02 (annotated)

Committer:
AzureIoTClient
Date:
Fri Jun 02 15:53:07 2017 -0700
Revision:
27:d74f1cea23e1
Parent:
21:f9c433d8e6ca
Child:
28:add19eb7defa
1.1.16

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 21:f9c433d8e6ca 4 #include <stdlib.h>
AzureIoTClient 19:000ab4e6a2c1 5 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 21:f9c433d8e6ca 6 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 27:d74f1cea23e1 7 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 8 #include "azure_uamqp_c/header_detect_io.h"
Azure.IoT Build 0:6ae2f7bca550 9
Azure.IoT Build 0:6ae2f7bca550 10 typedef enum IO_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 11 {
Azure.IoT Build 0:6ae2f7bca550 12 IO_STATE_NOT_OPEN,
Azure.IoT Build 0:6ae2f7bca550 13 IO_STATE_OPENING_UNDERLYING_IO,
Azure.IoT Build 0:6ae2f7bca550 14 IO_STATE_WAIT_FOR_HEADER,
Azure.IoT Build 0:6ae2f7bca550 15 IO_STATE_OPEN,
Azure.IoT Build 0:6ae2f7bca550 16 IO_STATE_CLOSING,
Azure.IoT Build 0:6ae2f7bca550 17 IO_STATE_ERROR
Azure.IoT Build 0:6ae2f7bca550 18 } IO_STATE;
Azure.IoT Build 0:6ae2f7bca550 19
Azure.IoT Build 0:6ae2f7bca550 20 typedef struct HEADER_DETECT_IO_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 21 {
Azure.IoT Build 0:6ae2f7bca550 22 XIO_HANDLE underlying_io;
Azure.IoT Build 0:6ae2f7bca550 23 size_t header_pos;
Azure.IoT Build 0:6ae2f7bca550 24 IO_STATE io_state;
Azure.IoT Build 0:6ae2f7bca550 25 ON_IO_OPEN_COMPLETE on_io_open_complete;
Azure.IoT Build 0:6ae2f7bca550 26 ON_IO_CLOSE_COMPLETE on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 27 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:6ae2f7bca550 28 ON_BYTES_RECEIVED on_bytes_received;
Azure.IoT Build 0:6ae2f7bca550 29 void* on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 30 void* on_io_close_complete_context;
Azure.IoT Build 0:6ae2f7bca550 31 void* on_io_error_context;
Azure.IoT Build 0:6ae2f7bca550 32 void* on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 33 } HEADER_DETECT_IO_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 34
Azure.IoT Build 0:6ae2f7bca550 35 static const unsigned char amqp_header[] = { 'A', 'M', 'Q', 'P', 0, 1, 0, 0 };
Azure.IoT Build 0:6ae2f7bca550 36
Azure.IoT Build 0:6ae2f7bca550 37 static void indicate_error(HEADER_DETECT_IO_INSTANCE* header_detect_io_instance)
Azure.IoT Build 0:6ae2f7bca550 38 {
Azure.IoT Build 0:6ae2f7bca550 39 if (header_detect_io_instance->on_io_error != NULL)
Azure.IoT Build 0:6ae2f7bca550 40 {
Azure.IoT Build 0:6ae2f7bca550 41 header_detect_io_instance->on_io_error(header_detect_io_instance->on_io_error_context);
Azure.IoT Build 0:6ae2f7bca550 42 }
Azure.IoT Build 0:6ae2f7bca550 43 }
Azure.IoT Build 0:6ae2f7bca550 44
Azure.IoT Build 0:6ae2f7bca550 45 static void indicate_open_complete(HEADER_DETECT_IO_INSTANCE* header_detect_io_instance, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 46 {
Azure.IoT Build 0:6ae2f7bca550 47 if (header_detect_io_instance->on_io_open_complete != NULL)
Azure.IoT Build 0:6ae2f7bca550 48 {
Azure.IoT Build 0:6ae2f7bca550 49 header_detect_io_instance->on_io_open_complete(header_detect_io_instance->on_io_open_complete_context, open_result);
Azure.IoT Build 0:6ae2f7bca550 50 }
Azure.IoT Build 0:6ae2f7bca550 51 }
Azure.IoT Build 0:6ae2f7bca550 52
Azure.IoT Build 0:6ae2f7bca550 53 static void indicate_close_complete(HEADER_DETECT_IO_INSTANCE* header_detect_io_instance)
Azure.IoT Build 0:6ae2f7bca550 54 {
Azure.IoT Build 0:6ae2f7bca550 55 if (header_detect_io_instance->on_io_close_complete != NULL)
Azure.IoT Build 0:6ae2f7bca550 56 {
Azure.IoT Build 0:6ae2f7bca550 57 header_detect_io_instance->on_io_close_complete(header_detect_io_instance->on_io_close_complete_context);
Azure.IoT Build 0:6ae2f7bca550 58 }
Azure.IoT Build 0:6ae2f7bca550 59 }
Azure.IoT Build 0:6ae2f7bca550 60
Azure.IoT Build 0:6ae2f7bca550 61 static void on_underlying_io_error(void* context);
Azure.IoT Build 0:6ae2f7bca550 62 static void on_send_complete_close(void* context, IO_SEND_RESULT send_result)
Azure.IoT Build 0:6ae2f7bca550 63 {
AzureIoTClient 6:641a9672db08 64 (void)send_result;
Azure.IoT Build 0:6ae2f7bca550 65 on_underlying_io_error(context);
Azure.IoT Build 0:6ae2f7bca550 66 }
Azure.IoT Build 0:6ae2f7bca550 67
Azure.IoT Build 0:6ae2f7bca550 68 static void on_underlying_io_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 69 {
Azure.IoT Build 0:6ae2f7bca550 70 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 71
Azure.IoT Build 0:6ae2f7bca550 72 while (size > 0)
Azure.IoT Build 0:6ae2f7bca550 73 {
Azure.IoT Build 0:6ae2f7bca550 74 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 75 {
Azure.IoT Build 0:6ae2f7bca550 76 default:
Azure.IoT Build 0:6ae2f7bca550 77 break;
Azure.IoT Build 0:6ae2f7bca550 78
Azure.IoT Build 0:6ae2f7bca550 79 case IO_STATE_WAIT_FOR_HEADER:
Azure.IoT Build 0:6ae2f7bca550 80 if (amqp_header[header_detect_io_instance->header_pos] != buffer[0])
Azure.IoT Build 0:6ae2f7bca550 81 {
Azure.IoT Build 0:6ae2f7bca550 82 /* Send expected header, then close as per spec. We do not care if we fail */
Azure.IoT Build 0:6ae2f7bca550 83 (void)xio_send(header_detect_io_instance->underlying_io, amqp_header, sizeof(amqp_header), on_send_complete_close, context);
Azure.IoT Build 0:6ae2f7bca550 84
Azure.IoT Build 0:6ae2f7bca550 85 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 86 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 87 size = 0;
Azure.IoT Build 0:6ae2f7bca550 88 }
Azure.IoT Build 0:6ae2f7bca550 89 else
Azure.IoT Build 0:6ae2f7bca550 90 {
Azure.IoT Build 0:6ae2f7bca550 91 header_detect_io_instance->header_pos++;
Azure.IoT Build 0:6ae2f7bca550 92 size--;
Azure.IoT Build 0:6ae2f7bca550 93 buffer++;
Azure.IoT Build 0:6ae2f7bca550 94 if (header_detect_io_instance->header_pos == sizeof(amqp_header))
Azure.IoT Build 0:6ae2f7bca550 95 {
Azure.IoT Build 0:6ae2f7bca550 96 if (xio_send(header_detect_io_instance->underlying_io, amqp_header, sizeof(amqp_header), NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 97 {
Azure.IoT Build 0:6ae2f7bca550 98 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 99 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 100 }
Azure.IoT Build 0:6ae2f7bca550 101 else
Azure.IoT Build 0:6ae2f7bca550 102 {
Azure.IoT Build 0:6ae2f7bca550 103 header_detect_io_instance->io_state = IO_STATE_OPEN;
Azure.IoT Build 0:6ae2f7bca550 104 indicate_open_complete(header_detect_io_instance, IO_OPEN_OK);
Azure.IoT Build 0:6ae2f7bca550 105 }
Azure.IoT Build 0:6ae2f7bca550 106 }
Azure.IoT Build 0:6ae2f7bca550 107 }
Azure.IoT Build 0:6ae2f7bca550 108 break;
Azure.IoT Build 0:6ae2f7bca550 109
Azure.IoT Build 0:6ae2f7bca550 110 case IO_STATE_OPEN:
Azure.IoT Build 0:6ae2f7bca550 111 header_detect_io_instance->on_bytes_received(header_detect_io_instance->on_bytes_received_context, buffer, size);
Azure.IoT Build 0:6ae2f7bca550 112 size = 0;
Azure.IoT Build 0:6ae2f7bca550 113 break;
Azure.IoT Build 0:6ae2f7bca550 114 }
Azure.IoT Build 0:6ae2f7bca550 115 }
Azure.IoT Build 0:6ae2f7bca550 116 }
Azure.IoT Build 0:6ae2f7bca550 117
Azure.IoT Build 0:6ae2f7bca550 118 static void on_underlying_io_close_complete(void* context)
Azure.IoT Build 0:6ae2f7bca550 119 {
Azure.IoT Build 0:6ae2f7bca550 120 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 121
Azure.IoT Build 0:6ae2f7bca550 122 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 123 {
Azure.IoT Build 0:6ae2f7bca550 124 default:
Azure.IoT Build 0:6ae2f7bca550 125 break;
Azure.IoT Build 0:6ae2f7bca550 126
Azure.IoT Build 0:6ae2f7bca550 127 case IO_STATE_CLOSING:
Azure.IoT Build 0:6ae2f7bca550 128 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 129 indicate_close_complete(header_detect_io_instance);
Azure.IoT Build 0:6ae2f7bca550 130 break;
Azure.IoT Build 0:6ae2f7bca550 131
Azure.IoT Build 0:6ae2f7bca550 132 case IO_STATE_WAIT_FOR_HEADER:
Azure.IoT Build 0:6ae2f7bca550 133 case IO_STATE_OPENING_UNDERLYING_IO:
Azure.IoT Build 0:6ae2f7bca550 134 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 135 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 136 break;
Azure.IoT Build 0:6ae2f7bca550 137 }
Azure.IoT Build 0:6ae2f7bca550 138 }
Azure.IoT Build 0:6ae2f7bca550 139
Azure.IoT Build 0:6ae2f7bca550 140 static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result)
Azure.IoT Build 0:6ae2f7bca550 141 {
Azure.IoT Build 0:6ae2f7bca550 142 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 143
Azure.IoT Build 0:6ae2f7bca550 144 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 145 {
Azure.IoT Build 0:6ae2f7bca550 146 default:
Azure.IoT Build 0:6ae2f7bca550 147 break;
Azure.IoT Build 0:6ae2f7bca550 148
Azure.IoT Build 0:6ae2f7bca550 149 case IO_STATE_OPENING_UNDERLYING_IO:
Azure.IoT Build 0:6ae2f7bca550 150 if (open_result == IO_OPEN_OK)
Azure.IoT Build 0:6ae2f7bca550 151 {
Azure.IoT Build 0:6ae2f7bca550 152 header_detect_io_instance->io_state = IO_STATE_WAIT_FOR_HEADER;
Azure.IoT Build 0:6ae2f7bca550 153 }
Azure.IoT Build 0:6ae2f7bca550 154 else
Azure.IoT Build 0:6ae2f7bca550 155 {
Azure.IoT Build 0:6ae2f7bca550 156 if (xio_close(header_detect_io_instance->underlying_io, on_underlying_io_close_complete, header_detect_io_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 157 {
Azure.IoT Build 0:6ae2f7bca550 158 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 159 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 160 }
Azure.IoT Build 0:6ae2f7bca550 161 }
Azure.IoT Build 0:6ae2f7bca550 162
Azure.IoT Build 0:6ae2f7bca550 163 break;
Azure.IoT Build 0:6ae2f7bca550 164 }
Azure.IoT Build 0:6ae2f7bca550 165 }
Azure.IoT Build 0:6ae2f7bca550 166
Azure.IoT Build 0:6ae2f7bca550 167 static void on_underlying_io_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 168 {
Azure.IoT Build 0:6ae2f7bca550 169 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 170
Azure.IoT Build 0:6ae2f7bca550 171 switch (header_detect_io_instance->io_state)
Azure.IoT Build 0:6ae2f7bca550 172 {
Azure.IoT Build 0:6ae2f7bca550 173 default:
Azure.IoT Build 0:6ae2f7bca550 174 break;
Azure.IoT Build 0:6ae2f7bca550 175
Azure.IoT Build 0:6ae2f7bca550 176 case IO_STATE_WAIT_FOR_HEADER:
Azure.IoT Build 0:6ae2f7bca550 177 case IO_STATE_OPENING_UNDERLYING_IO:
Azure.IoT Build 0:6ae2f7bca550 178 header_detect_io_instance->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 179 indicate_open_complete(header_detect_io_instance, IO_OPEN_ERROR);
Azure.IoT Build 0:6ae2f7bca550 180 break;
Azure.IoT Build 0:6ae2f7bca550 181
Azure.IoT Build 0:6ae2f7bca550 182 case IO_STATE_OPEN:
Azure.IoT Build 0:6ae2f7bca550 183 header_detect_io_instance->io_state = IO_STATE_ERROR;
Azure.IoT Build 0:6ae2f7bca550 184 indicate_error(header_detect_io_instance);
Azure.IoT Build 0:6ae2f7bca550 185 break;
Azure.IoT Build 0:6ae2f7bca550 186 }
Azure.IoT Build 0:6ae2f7bca550 187 }
Azure.IoT Build 0:6ae2f7bca550 188
Azure.IoT Build 5:ae49385aff34 189 CONCRETE_IO_HANDLE headerdetectio_create(void* io_create_parameters)
Azure.IoT Build 0:6ae2f7bca550 190 {
Azure.IoT Build 0:6ae2f7bca550 191 HEADER_DETECT_IO_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 192
Azure.IoT Build 0:6ae2f7bca550 193 if (io_create_parameters == NULL)
Azure.IoT Build 0:6ae2f7bca550 194 {
Azure.IoT Build 0:6ae2f7bca550 195 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 196 }
Azure.IoT Build 0:6ae2f7bca550 197 else
Azure.IoT Build 0:6ae2f7bca550 198 {
Azure.IoT Build 0:6ae2f7bca550 199 HEADERDETECTIO_CONFIG* header_detect_io_config = (HEADERDETECTIO_CONFIG*)io_create_parameters;
AzureIoTClient 21:f9c433d8e6ca 200 result = (HEADER_DETECT_IO_INSTANCE*)malloc(sizeof(HEADER_DETECT_IO_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 201 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 202 {
Azure.IoT Build 0:6ae2f7bca550 203 result->underlying_io = header_detect_io_config->underlying_io;
Azure.IoT Build 0:6ae2f7bca550 204 result->on_io_open_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 205 result->on_io_close_complete = NULL;
Azure.IoT Build 0:6ae2f7bca550 206 result->on_io_error = NULL;
Azure.IoT Build 0:6ae2f7bca550 207 result->on_bytes_received = NULL;
Azure.IoT Build 0:6ae2f7bca550 208 result->on_io_open_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 209 result->on_io_close_complete_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 210 result->on_io_error_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 211 result->on_bytes_received_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 212
Azure.IoT Build 0:6ae2f7bca550 213 result->io_state = IO_STATE_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 214 }
Azure.IoT Build 0:6ae2f7bca550 215 }
Azure.IoT Build 0:6ae2f7bca550 216
Azure.IoT Build 0:6ae2f7bca550 217 return result;
Azure.IoT Build 0:6ae2f7bca550 218 }
Azure.IoT Build 0:6ae2f7bca550 219
Azure.IoT Build 0:6ae2f7bca550 220 void headerdetectio_destroy(CONCRETE_IO_HANDLE header_detect_io)
Azure.IoT Build 0:6ae2f7bca550 221 {
Azure.IoT Build 0:6ae2f7bca550 222 if (header_detect_io != NULL)
Azure.IoT Build 0:6ae2f7bca550 223 {
Azure.IoT Build 0:6ae2f7bca550 224 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 225 (void)headerdetectio_close(header_detect_io, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 226 xio_destroy(header_detect_io_instance->underlying_io);
AzureIoTClient 21:f9c433d8e6ca 227 free(header_detect_io);
Azure.IoT Build 0:6ae2f7bca550 228 }
Azure.IoT Build 0:6ae2f7bca550 229 }
Azure.IoT Build 0:6ae2f7bca550 230
Azure.IoT Build 0:6ae2f7bca550 231 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 232 {
Azure.IoT Build 0:6ae2f7bca550 233 int result;
Azure.IoT Build 0:6ae2f7bca550 234
Azure.IoT Build 0:6ae2f7bca550 235 if (header_detect_io == NULL)
Azure.IoT Build 0:6ae2f7bca550 236 {
AzureIoTClient 19:000ab4e6a2c1 237 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 238 }
Azure.IoT Build 0:6ae2f7bca550 239 else
Azure.IoT Build 0:6ae2f7bca550 240 {
Azure.IoT Build 0:6ae2f7bca550 241 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 242
Azure.IoT Build 0:6ae2f7bca550 243 if (header_detect_io_instance->io_state != IO_STATE_NOT_OPEN &&
Azure.IoT Build 0:6ae2f7bca550 244 header_detect_io_instance->io_state != IO_STATE_OPEN)
Azure.IoT Build 0:6ae2f7bca550 245 {
AzureIoTClient 19:000ab4e6a2c1 246 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 247 }
Azure.IoT Build 0:6ae2f7bca550 248 else
Azure.IoT Build 0:6ae2f7bca550 249 {
Azure.IoT Build 0:6ae2f7bca550 250 header_detect_io_instance->on_bytes_received = on_bytes_received;
Azure.IoT Build 0:6ae2f7bca550 251 header_detect_io_instance->on_io_open_complete = on_io_open_complete;
Azure.IoT Build 0:6ae2f7bca550 252 header_detect_io_instance->on_io_error = on_io_error;
Azure.IoT Build 0:6ae2f7bca550 253 header_detect_io_instance->on_bytes_received_context = on_bytes_received_context;
Azure.IoT Build 0:6ae2f7bca550 254 header_detect_io_instance->on_io_open_complete_context = on_io_open_complete_context;
Azure.IoT Build 0:6ae2f7bca550 255 header_detect_io_instance->on_io_error_context = on_io_error_context;
Azure.IoT Build 0:6ae2f7bca550 256
Azure.IoT Build 0:6ae2f7bca550 257 if (header_detect_io_instance->io_state == IO_STATE_OPEN)
Azure.IoT Build 0:6ae2f7bca550 258 {
Azure.IoT Build 0:6ae2f7bca550 259 indicate_open_complete(header_detect_io_instance, IO_OPEN_OK);
Azure.IoT Build 0:6ae2f7bca550 260 result = 0;
Azure.IoT Build 0:6ae2f7bca550 261 }
Azure.IoT Build 0:6ae2f7bca550 262 else
Azure.IoT Build 0:6ae2f7bca550 263 {
Azure.IoT Build 0:6ae2f7bca550 264 header_detect_io_instance->header_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 265 header_detect_io_instance->io_state = IO_STATE_OPENING_UNDERLYING_IO;
Azure.IoT Build 0:6ae2f7bca550 266
Azure.IoT Build 0:6ae2f7bca550 267 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 268 {
AzureIoTClient 19:000ab4e6a2c1 269 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 270 }
Azure.IoT Build 0:6ae2f7bca550 271 else
Azure.IoT Build 0:6ae2f7bca550 272 {
Azure.IoT Build 0:6ae2f7bca550 273 result = 0;
Azure.IoT Build 0:6ae2f7bca550 274 }
Azure.IoT Build 0:6ae2f7bca550 275 }
Azure.IoT Build 0:6ae2f7bca550 276 }
Azure.IoT Build 0:6ae2f7bca550 277 }
Azure.IoT Build 0:6ae2f7bca550 278
Azure.IoT Build 0:6ae2f7bca550 279 return result;
Azure.IoT Build 0:6ae2f7bca550 280 }
Azure.IoT Build 0:6ae2f7bca550 281
Azure.IoT Build 0:6ae2f7bca550 282 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 283 {
Azure.IoT Build 0:6ae2f7bca550 284 int result;
Azure.IoT Build 0:6ae2f7bca550 285
Azure.IoT Build 0:6ae2f7bca550 286 if (header_detect_io == NULL)
Azure.IoT Build 0:6ae2f7bca550 287 {
AzureIoTClient 19:000ab4e6a2c1 288 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 289 }
Azure.IoT Build 0:6ae2f7bca550 290 else
Azure.IoT Build 0:6ae2f7bca550 291 {
Azure.IoT Build 0:6ae2f7bca550 292 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 293
Azure.IoT Build 0:6ae2f7bca550 294 if ((header_detect_io_instance->io_state == IO_STATE_NOT_OPEN) ||
Azure.IoT Build 0:6ae2f7bca550 295 (header_detect_io_instance->io_state == IO_STATE_CLOSING))
Azure.IoT Build 0:6ae2f7bca550 296 {
AzureIoTClient 19:000ab4e6a2c1 297 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 298 }
Azure.IoT Build 0:6ae2f7bca550 299 else
Azure.IoT Build 0:6ae2f7bca550 300 {
Azure.IoT Build 0:6ae2f7bca550 301 header_detect_io_instance->io_state = IO_STATE_CLOSING;
Azure.IoT Build 0:6ae2f7bca550 302 header_detect_io_instance->on_io_close_complete = on_io_close_complete;
Azure.IoT Build 0:6ae2f7bca550 303 header_detect_io_instance->on_io_close_complete_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 304
Azure.IoT Build 0:6ae2f7bca550 305 if (xio_close(header_detect_io_instance->underlying_io, on_underlying_io_close_complete, header_detect_io_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 306 {
AzureIoTClient 19:000ab4e6a2c1 307 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 308 }
Azure.IoT Build 0:6ae2f7bca550 309 else
Azure.IoT Build 0:6ae2f7bca550 310 {
Azure.IoT Build 0:6ae2f7bca550 311 result = 0;
Azure.IoT Build 0:6ae2f7bca550 312 }
Azure.IoT Build 0:6ae2f7bca550 313 }
Azure.IoT Build 0:6ae2f7bca550 314 }
Azure.IoT Build 0:6ae2f7bca550 315
Azure.IoT Build 0:6ae2f7bca550 316 return result;
Azure.IoT Build 0:6ae2f7bca550 317 }
Azure.IoT Build 0:6ae2f7bca550 318
Azure.IoT Build 0:6ae2f7bca550 319 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 320 {
Azure.IoT Build 0:6ae2f7bca550 321 int result;
Azure.IoT Build 0:6ae2f7bca550 322
Azure.IoT Build 0:6ae2f7bca550 323 if (header_detect_io == NULL)
Azure.IoT Build 0:6ae2f7bca550 324 {
AzureIoTClient 19:000ab4e6a2c1 325 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 326 }
Azure.IoT Build 0:6ae2f7bca550 327 else
Azure.IoT Build 0:6ae2f7bca550 328 {
Azure.IoT Build 0:6ae2f7bca550 329 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 330
Azure.IoT Build 0:6ae2f7bca550 331 if (header_detect_io_instance->io_state != IO_STATE_OPEN)
Azure.IoT Build 0:6ae2f7bca550 332 {
AzureIoTClient 19:000ab4e6a2c1 333 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 334 }
Azure.IoT Build 0:6ae2f7bca550 335 else
Azure.IoT Build 0:6ae2f7bca550 336 {
Azure.IoT Build 0:6ae2f7bca550 337 if (xio_send(header_detect_io_instance->underlying_io, buffer, size, on_send_complete, callback_context) != 0)
Azure.IoT Build 0:6ae2f7bca550 338 {
AzureIoTClient 19:000ab4e6a2c1 339 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 340 }
Azure.IoT Build 0:6ae2f7bca550 341 else
Azure.IoT Build 0:6ae2f7bca550 342 {
Azure.IoT Build 0:6ae2f7bca550 343 result = 0;
Azure.IoT Build 0:6ae2f7bca550 344 }
Azure.IoT Build 0:6ae2f7bca550 345 }
Azure.IoT Build 0:6ae2f7bca550 346 }
Azure.IoT Build 0:6ae2f7bca550 347
Azure.IoT Build 0:6ae2f7bca550 348 return result;
Azure.IoT Build 0:6ae2f7bca550 349 }
Azure.IoT Build 0:6ae2f7bca550 350
Azure.IoT Build 0:6ae2f7bca550 351 void headerdetectio_dowork(CONCRETE_IO_HANDLE header_detect_io)
Azure.IoT Build 0:6ae2f7bca550 352 {
Azure.IoT Build 0:6ae2f7bca550 353 if (header_detect_io != NULL)
Azure.IoT Build 0:6ae2f7bca550 354 {
Azure.IoT Build 0:6ae2f7bca550 355 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
Azure.IoT Build 0:6ae2f7bca550 356
Azure.IoT Build 0:6ae2f7bca550 357 if ((header_detect_io_instance->io_state != IO_STATE_NOT_OPEN) &&
Azure.IoT Build 0:6ae2f7bca550 358 (header_detect_io_instance->io_state != IO_STATE_ERROR))
Azure.IoT Build 0:6ae2f7bca550 359 {
Azure.IoT Build 0:6ae2f7bca550 360 xio_dowork(header_detect_io_instance->underlying_io);
Azure.IoT Build 0:6ae2f7bca550 361 }
Azure.IoT Build 0:6ae2f7bca550 362 }
Azure.IoT Build 0:6ae2f7bca550 363 }
Azure.IoT Build 0:6ae2f7bca550 364
AzureIoTClient 1:eab586236bfe 365 int headerdetectio_setoption(CONCRETE_IO_HANDLE header_detect_io, const char* optionName, const void* value)
Azure.IoT Build 0:6ae2f7bca550 366 {
AzureIoTClient 1:eab586236bfe 367 int result;
AzureIoTClient 1:eab586236bfe 368
AzureIoTClient 1:eab586236bfe 369 if (header_detect_io == NULL)
AzureIoTClient 1:eab586236bfe 370 {
AzureIoTClient 19:000ab4e6a2c1 371 result = __FAILURE__;
AzureIoTClient 1:eab586236bfe 372 }
AzureIoTClient 1:eab586236bfe 373 else
AzureIoTClient 1:eab586236bfe 374 {
AzureIoTClient 1:eab586236bfe 375 HEADER_DETECT_IO_INSTANCE* header_detect_io_instance = (HEADER_DETECT_IO_INSTANCE*)header_detect_io;
AzureIoTClient 1:eab586236bfe 376
AzureIoTClient 1:eab586236bfe 377 if (header_detect_io_instance->underlying_io == NULL)
AzureIoTClient 1:eab586236bfe 378 {
AzureIoTClient 19:000ab4e6a2c1 379 result = __FAILURE__;
AzureIoTClient 1:eab586236bfe 380 }
AzureIoTClient 1:eab586236bfe 381 else
AzureIoTClient 1:eab586236bfe 382 {
AzureIoTClient 1:eab586236bfe 383 result = xio_setoption(header_detect_io_instance->underlying_io, optionName, value);
AzureIoTClient 1:eab586236bfe 384 }
AzureIoTClient 1:eab586236bfe 385 }
AzureIoTClient 1:eab586236bfe 386
AzureIoTClient 1:eab586236bfe 387 return result;
Azure.IoT Build 0:6ae2f7bca550 388 }
Azure.IoT Build 0:6ae2f7bca550 389
AzureIoTClient 6:641a9672db08 390 /*this function will clone an option given by name and value*/
AzureIoTClient 6:641a9672db08 391 static void* headerdetectio_CloneOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 392 {
AzureIoTClient 17:923575db8b2d 393 (void)name;
AzureIoTClient 17:923575db8b2d 394 (void)value;
AzureIoTClient 6:641a9672db08 395 return NULL;
AzureIoTClient 6:641a9672db08 396 }
AzureIoTClient 6:641a9672db08 397
AzureIoTClient 6:641a9672db08 398 /*this function destroys an option previously created*/
AzureIoTClient 6:641a9672db08 399 static void headerdetectio_DestroyOption(const char* name, const void* value)
AzureIoTClient 6:641a9672db08 400 {
AzureIoTClient 17:923575db8b2d 401 (void)name;
AzureIoTClient 17:923575db8b2d 402 (void)value;
AzureIoTClient 6:641a9672db08 403 }
AzureIoTClient 6:641a9672db08 404
AzureIoTClient 6:641a9672db08 405 static OPTIONHANDLER_HANDLE headerdetectio_retrieveoptions(CONCRETE_IO_HANDLE handle)
AzureIoTClient 6:641a9672db08 406 {
AzureIoTClient 6:641a9672db08 407 OPTIONHANDLER_HANDLE result;
AzureIoTClient 6:641a9672db08 408 (void)handle;
AzureIoTClient 6:641a9672db08 409 result = OptionHandler_Create(headerdetectio_CloneOption, headerdetectio_DestroyOption, headerdetectio_setoption);
AzureIoTClient 6:641a9672db08 410 if (result == NULL)
AzureIoTClient 6:641a9672db08 411 {
AzureIoTClient 6:641a9672db08 412 LogError("unable to OptionHandler_Create");
AzureIoTClient 6:641a9672db08 413 /*return as is*/
AzureIoTClient 6:641a9672db08 414 }
AzureIoTClient 6:641a9672db08 415 else
AzureIoTClient 6:641a9672db08 416 {
AzureIoTClient 6:641a9672db08 417 /*insert here work to add the options to "result" handle*/
AzureIoTClient 6:641a9672db08 418 }
AzureIoTClient 6:641a9672db08 419 return result;
AzureIoTClient 6:641a9672db08 420 }
AzureIoTClient 6:641a9672db08 421
Azure.IoT Build 0:6ae2f7bca550 422 static const IO_INTERFACE_DESCRIPTION header_detect_io_interface_description =
Azure.IoT Build 0:6ae2f7bca550 423 {
AzureIoTClient 6:641a9672db08 424 headerdetectio_retrieveoptions,
Azure.IoT Build 0:6ae2f7bca550 425 headerdetectio_create,
Azure.IoT Build 0:6ae2f7bca550 426 headerdetectio_destroy,
Azure.IoT Build 0:6ae2f7bca550 427 headerdetectio_open,
Azure.IoT Build 0:6ae2f7bca550 428 headerdetectio_close,
Azure.IoT Build 0:6ae2f7bca550 429 headerdetectio_send,
Azure.IoT Build 0:6ae2f7bca550 430 headerdetectio_dowork,
Azure.IoT Build 0:6ae2f7bca550 431 headerdetectio_setoption
Azure.IoT Build 0:6ae2f7bca550 432 };
Azure.IoT Build 0:6ae2f7bca550 433
Azure.IoT Build 0:6ae2f7bca550 434 const IO_INTERFACE_DESCRIPTION* headerdetectio_get_interface_description(void)
Azure.IoT Build 0:6ae2f7bca550 435 {
Azure.IoT Build 0:6ae2f7bca550 436 return &header_detect_io_interface_description;
Azure.IoT Build 0:6ae2f7bca550 437 }