Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

connection.c@16:22a72cf8e416, 2017-01-13 (annotated)

Committer:
AzureIoTClient
Date:
Fri Jan 13 18:40:42 2017 -0800
Revision:
16:22a72cf8e416
Parent:
15:5db103709f20
Child:
17:923575db8b2d
1.1.4

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
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #ifdef _CRTDBG_MAP_ALLOC
Azure.IoT Build 0:6ae2f7bca550 6 #include <crtdbg.h>
Azure.IoT Build 0:6ae2f7bca550 7 #endif
Azure.IoT Build 0:6ae2f7bca550 8 #include <string.h>
Azure.IoT Build 0:6ae2f7bca550 9
Azure.IoT Build 0:6ae2f7bca550 10 #include "azure_c_shared_utility/xio.h"
Azure.IoT Build 0:6ae2f7bca550 11 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 12 #include "azure_c_shared_utility/tickcounter.h"
Azure.IoT Build 0:6ae2f7bca550 13
Azure.IoT Build 0:6ae2f7bca550 14 #include "azure_uamqp_c/connection.h"
Azure.IoT Build 0:6ae2f7bca550 15 #include "azure_uamqp_c/frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 16 #include "azure_uamqp_c/amqp_frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 17 #include "azure_uamqp_c/amqp_definitions.h"
Azure.IoT Build 0:6ae2f7bca550 18 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 19 #include "azure_uamqp_c/amqpvalue_to_string.h"
Azure.IoT Build 0:6ae2f7bca550 20
Azure.IoT Build 0:6ae2f7bca550 21 /* Requirements satisfied by the virtue of implementing the ISO:*/
Azure.IoT Build 0:6ae2f7bca550 22 /* Codes_SRS_CONNECTION_01_088: [Any data appearing beyond the protocol header MUST match the version indicated by the protocol header.] */
Azure.IoT Build 0:6ae2f7bca550 23 /* Codes_SRS_CONNECTION_01_015: [Implementations SHOULD NOT expect to be able to reuse open TCP sockets after close performatives have been exchanged.] */
Azure.IoT Build 0:6ae2f7bca550 24
AzureIoTClient 16:22a72cf8e416 25 /* Codes_SRS_CONNECTION_01_087: [The protocol header consists of the upper case ASCII letters "AMQP" followed by a protocol id of zero, followed by three unsigned bytes representing the major, minor, and revision of the protocol version (currently 1 (MAJOR), 0 (MINOR), 0 (REVISION)). In total this is an 8-octet sequence] */
Azure.IoT Build 0:6ae2f7bca550 26 static const unsigned char amqp_header[] = { 'A', 'M', 'Q', 'P', 0, 1, 0, 0 };
Azure.IoT Build 0:6ae2f7bca550 27
Azure.IoT Build 0:6ae2f7bca550 28 typedef enum RECEIVE_FRAME_STATE_TAG
Azure.IoT Build 0:6ae2f7bca550 29 {
AzureIoTClient 4:98007eb79fa8 30 RECEIVE_FRAME_STATE_FRAME_SIZE,
AzureIoTClient 4:98007eb79fa8 31 RECEIVE_FRAME_STATE_FRAME_DATA
Azure.IoT Build 0:6ae2f7bca550 32 } RECEIVE_FRAME_STATE;
Azure.IoT Build 0:6ae2f7bca550 33
Azure.IoT Build 0:6ae2f7bca550 34 typedef struct ENDPOINT_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 35 {
AzureIoTClient 4:98007eb79fa8 36 uint16_t incoming_channel;
AzureIoTClient 4:98007eb79fa8 37 uint16_t outgoing_channel;
AzureIoTClient 4:98007eb79fa8 38 ON_ENDPOINT_FRAME_RECEIVED on_endpoint_frame_received;
AzureIoTClient 4:98007eb79fa8 39 ON_CONNECTION_STATE_CHANGED on_connection_state_changed;
AzureIoTClient 4:98007eb79fa8 40 void* callback_context;
AzureIoTClient 4:98007eb79fa8 41 CONNECTION_HANDLE connection;
Azure.IoT Build 0:6ae2f7bca550 42 } ENDPOINT_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 43
Azure.IoT Build 0:6ae2f7bca550 44 typedef struct CONNECTION_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 45 {
AzureIoTClient 4:98007eb79fa8 46 XIO_HANDLE io;
AzureIoTClient 4:98007eb79fa8 47 size_t header_bytes_received;
AzureIoTClient 4:98007eb79fa8 48 CONNECTION_STATE connection_state;
AzureIoTClient 4:98007eb79fa8 49 FRAME_CODEC_HANDLE frame_codec;
AzureIoTClient 4:98007eb79fa8 50 AMQP_FRAME_CODEC_HANDLE amqp_frame_codec;
AzureIoTClient 4:98007eb79fa8 51 ENDPOINT_INSTANCE** endpoints;
AzureIoTClient 4:98007eb79fa8 52 uint32_t endpoint_count;
AzureIoTClient 4:98007eb79fa8 53 char* host_name;
AzureIoTClient 4:98007eb79fa8 54 char* container_id;
AzureIoTClient 4:98007eb79fa8 55 TICK_COUNTER_HANDLE tick_counter;
AzureIoTClient 4:98007eb79fa8 56 uint32_t remote_max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 57
AzureIoTClient 4:98007eb79fa8 58 ON_SEND_COMPLETE on_send_complete;
AzureIoTClient 4:98007eb79fa8 59 void* on_send_complete_callback_context;
Azure.IoT Build 0:6ae2f7bca550 60
AzureIoTClient 4:98007eb79fa8 61 ON_NEW_ENDPOINT on_new_endpoint;
AzureIoTClient 4:98007eb79fa8 62 void* on_new_endpoint_callback_context;
Azure.IoT Build 0:6ae2f7bca550 63
Azure.IoT Build 0:6ae2f7bca550 64 ON_CONNECTION_STATE_CHANGED on_connection_state_changed;
Azure.IoT Build 0:6ae2f7bca550 65 void* on_connection_state_changed_callback_context;
Azure.IoT Build 0:6ae2f7bca550 66 ON_IO_ERROR on_io_error;
Azure.IoT Build 0:6ae2f7bca550 67 void* on_io_error_callback_context;
Azure.IoT Build 0:6ae2f7bca550 68
AzureIoTClient 4:98007eb79fa8 69 /* options */
AzureIoTClient 4:98007eb79fa8 70 uint32_t max_frame_size;
AzureIoTClient 4:98007eb79fa8 71 uint16_t channel_max;
AzureIoTClient 4:98007eb79fa8 72 milliseconds idle_timeout;
AzureIoTClient 4:98007eb79fa8 73 milliseconds remote_idle_timeout;
Azure.IoT.Build 14:0b0e28c75ded 74 tickcounter_ms_t last_frame_received_time;
Azure.IoT.Build 14:0b0e28c75ded 75 tickcounter_ms_t last_frame_sent_time;
Azure.IoT Build 0:6ae2f7bca550 76
AzureIoTClient 4:98007eb79fa8 77 unsigned int is_underlying_io_open : 1;
AzureIoTClient 4:98007eb79fa8 78 unsigned int idle_timeout_specified : 1;
AzureIoTClient 4:98007eb79fa8 79 unsigned int is_remote_frame_received : 1;
AzureIoTClient 4:98007eb79fa8 80 unsigned int is_trace_on : 1;
Azure.IoT Build 0:6ae2f7bca550 81 } CONNECTION_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 82
Azure.IoT Build 0:6ae2f7bca550 83 /* Codes_SRS_CONNECTION_01_258: [on_connection_state_changed shall be invoked whenever the connection state changes.]*/
Azure.IoT Build 0:6ae2f7bca550 84 static void connection_set_state(CONNECTION_INSTANCE* connection_instance, CONNECTION_STATE connection_state)
Azure.IoT Build 0:6ae2f7bca550 85 {
AzureIoTClient 4:98007eb79fa8 86 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 87
AzureIoTClient 4:98007eb79fa8 88 CONNECTION_STATE previous_state = connection_instance->connection_state;
AzureIoTClient 4:98007eb79fa8 89 connection_instance->connection_state = connection_state;
Azure.IoT Build 0:6ae2f7bca550 90
Azure.IoT Build 0:6ae2f7bca550 91 /* Codes_SRS_CONNECTION_22_001: [If a connection state changed occurs and a callback is registered the callback shall be called.] */
Azure.IoT Build 0:6ae2f7bca550 92 if (connection_instance->on_connection_state_changed)
Azure.IoT Build 0:6ae2f7bca550 93 {
Azure.IoT Build 0:6ae2f7bca550 94 connection_instance->on_connection_state_changed(connection_instance->on_connection_state_changed_callback_context, connection_state, previous_state);
Azure.IoT Build 0:6ae2f7bca550 95 }
Azure.IoT Build 0:6ae2f7bca550 96
AzureIoTClient 16:22a72cf8e416 97 /* Codes_SRS_CONNECTION_01_260: [Each endpoint's on_connection_state_changed shall be called.] */
AzureIoTClient 4:98007eb79fa8 98 for (i = 0; i < connection_instance->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 99 {
AzureIoTClient 4:98007eb79fa8 100 /* Codes_SRS_CONNECTION_01_259: [The callback_context passed in connection_create_endpoint.] */
AzureIoTClient 4:98007eb79fa8 101 connection_instance->endpoints[i]->on_connection_state_changed(connection_instance->endpoints[i]->callback_context, connection_state, previous_state);
AzureIoTClient 4:98007eb79fa8 102 }
Azure.IoT Build 0:6ae2f7bca550 103 }
Azure.IoT Build 0:6ae2f7bca550 104
Azure.IoT Build 0:6ae2f7bca550 105 static int send_header(CONNECTION_INSTANCE* connection_instance)
Azure.IoT Build 0:6ae2f7bca550 106 {
AzureIoTClient 4:98007eb79fa8 107 int result;
Azure.IoT Build 0:6ae2f7bca550 108
AzureIoTClient 16:22a72cf8e416 109 /* Codes_SRS_CONNECTION_01_093: [_ When the client opens a new socket connection to a server, it MUST send a protocol header with the client's preferred protocol version.] */
AzureIoTClient 4:98007eb79fa8 110 /* Codes_SRS_CONNECTION_01_104: [Sending the protocol header shall be done by using xio_send.] */
AzureIoTClient 4:98007eb79fa8 111 if (xio_send(connection_instance->io, amqp_header, sizeof(amqp_header), NULL, NULL) != 0)
AzureIoTClient 4:98007eb79fa8 112 {
AzureIoTClient 4:98007eb79fa8 113 /* Codes_SRS_CONNECTION_01_106: [When sending the protocol header fails, the connection shall be immediately closed.] */
AzureIoTClient 4:98007eb79fa8 114 xio_close(connection_instance->io, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 115
AzureIoTClient 4:98007eb79fa8 116 /* Codes_SRS_CONNECTION_01_057: [END In this state it is illegal for either endpoint to write anything more onto the connection. The connection can be safely closed and discarded.] */
AzureIoTClient 4:98007eb79fa8 117 connection_set_state(connection_instance, CONNECTION_STATE_END);
Azure.IoT Build 0:6ae2f7bca550 118
AzureIoTClient 4:98007eb79fa8 119 /* Codes_SRS_CONNECTION_01_105: [When xio_send fails, connection_dowork shall return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 120 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 121 }
AzureIoTClient 4:98007eb79fa8 122 else
AzureIoTClient 4:98007eb79fa8 123 {
AzureIoTClient 4:98007eb79fa8 124 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 125 {
AzureIoTClient 16:22a72cf8e416 126 LOG(AZ_LOG_TRACE, LOG_LINE, "-> Header (AMQP 0.1.0.0)");
AzureIoTClient 4:98007eb79fa8 127 }
Azure.IoT Build 0:6ae2f7bca550 128
AzureIoTClient 4:98007eb79fa8 129 /* Codes_SRS_CONNECTION_01_041: [HDR SENT In this state the connection header has been sent to the peer but no connection header has been received.] */
AzureIoTClient 4:98007eb79fa8 130 connection_set_state(connection_instance, CONNECTION_STATE_HDR_SENT);
AzureIoTClient 4:98007eb79fa8 131 result = 0;
AzureIoTClient 4:98007eb79fa8 132 }
Azure.IoT Build 0:6ae2f7bca550 133
AzureIoTClient 4:98007eb79fa8 134 return result;
Azure.IoT Build 0:6ae2f7bca550 135 }
Azure.IoT Build 0:6ae2f7bca550 136
Azure.IoT Build 0:6ae2f7bca550 137 static const char* get_frame_type_as_string(AMQP_VALUE descriptor)
Azure.IoT Build 0:6ae2f7bca550 138 {
AzureIoTClient 4:98007eb79fa8 139 const char* result;
Azure.IoT Build 0:6ae2f7bca550 140
AzureIoTClient 4:98007eb79fa8 141 if (is_open_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 142 {
AzureIoTClient 4:98007eb79fa8 143 result = "[OPEN]";
AzureIoTClient 4:98007eb79fa8 144 }
AzureIoTClient 4:98007eb79fa8 145 else if (is_begin_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 146 {
AzureIoTClient 4:98007eb79fa8 147 result = "[BEGIN]";
AzureIoTClient 4:98007eb79fa8 148 }
AzureIoTClient 4:98007eb79fa8 149 else if (is_attach_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 150 {
AzureIoTClient 4:98007eb79fa8 151 result = "[ATTACH]";
AzureIoTClient 4:98007eb79fa8 152 }
AzureIoTClient 4:98007eb79fa8 153 else if (is_flow_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 154 {
AzureIoTClient 4:98007eb79fa8 155 result = "[FLOW]";
AzureIoTClient 4:98007eb79fa8 156 }
AzureIoTClient 4:98007eb79fa8 157 else if (is_disposition_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 158 {
AzureIoTClient 4:98007eb79fa8 159 result = "[DISPOSITION]";
AzureIoTClient 4:98007eb79fa8 160 }
AzureIoTClient 4:98007eb79fa8 161 else if (is_transfer_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 162 {
AzureIoTClient 4:98007eb79fa8 163 result = "[TRANSFER]";
AzureIoTClient 4:98007eb79fa8 164 }
AzureIoTClient 4:98007eb79fa8 165 else if (is_detach_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 166 {
AzureIoTClient 4:98007eb79fa8 167 result = "[DETACH]";
AzureIoTClient 4:98007eb79fa8 168 }
AzureIoTClient 4:98007eb79fa8 169 else if (is_end_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 170 {
AzureIoTClient 4:98007eb79fa8 171 result = "[END]";
AzureIoTClient 4:98007eb79fa8 172 }
AzureIoTClient 4:98007eb79fa8 173 else if (is_close_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 174 {
AzureIoTClient 4:98007eb79fa8 175 result = "[CLOSE]";
AzureIoTClient 4:98007eb79fa8 176 }
AzureIoTClient 4:98007eb79fa8 177 else
AzureIoTClient 4:98007eb79fa8 178 {
AzureIoTClient 4:98007eb79fa8 179 result = "[Unknown]";
AzureIoTClient 4:98007eb79fa8 180 }
Azure.IoT Build 0:6ae2f7bca550 181
AzureIoTClient 4:98007eb79fa8 182 return result;
Azure.IoT Build 0:6ae2f7bca550 183 }
Azure.IoT Build 0:6ae2f7bca550 184
Azure.IoT Build 5:ae49385aff34 185 static void log_incoming_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 186 {
AzureIoTClient 9:c22db038556c 187 #ifdef NO_LOGGING
AzureIoTClient 9:c22db038556c 188 UNUSED(performative);
AzureIoTClient 9:c22db038556c 189 #else
AzureIoTClient 4:98007eb79fa8 190 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 4:98007eb79fa8 191 if (descriptor != NULL)
AzureIoTClient 4:98007eb79fa8 192 {
AzureIoTClient 16:22a72cf8e416 193 LOG(AZ_LOG_TRACE, 0, "<- ");
AzureIoTClient 16:22a72cf8e416 194 LOG(AZ_LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 4:98007eb79fa8 195 char* performative_as_string = NULL;
AzureIoTClient 16:22a72cf8e416 196 LOG(AZ_LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 4:98007eb79fa8 197 if (performative_as_string != NULL)
AzureIoTClient 4:98007eb79fa8 198 {
AzureIoTClient 4:98007eb79fa8 199 amqpalloc_free(performative_as_string);
AzureIoTClient 4:98007eb79fa8 200 }
AzureIoTClient 4:98007eb79fa8 201 }
AzureIoTClient 9:c22db038556c 202 #endif
Azure.IoT Build 0:6ae2f7bca550 203 }
Azure.IoT Build 0:6ae2f7bca550 204
Azure.IoT Build 5:ae49385aff34 205 static void log_outgoing_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 206 {
AzureIoTClient 9:c22db038556c 207 #ifdef NO_LOGGING
AzureIoTClient 9:c22db038556c 208 UNUSED(performative);
AzureIoTClient 9:c22db038556c 209 #else
AzureIoTClient 4:98007eb79fa8 210 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 4:98007eb79fa8 211 if (descriptor != NULL)
AzureIoTClient 4:98007eb79fa8 212 {
AzureIoTClient 16:22a72cf8e416 213 LOG(AZ_LOG_TRACE, 0, "-> ");
AzureIoTClient 16:22a72cf8e416 214 LOG(AZ_LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 4:98007eb79fa8 215 char* performative_as_string = NULL;
AzureIoTClient 16:22a72cf8e416 216 LOG(AZ_LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 4:98007eb79fa8 217 if (performative_as_string != NULL)
AzureIoTClient 4:98007eb79fa8 218 {
AzureIoTClient 4:98007eb79fa8 219 amqpalloc_free(performative_as_string);
AzureIoTClient 4:98007eb79fa8 220 }
AzureIoTClient 4:98007eb79fa8 221 }
AzureIoTClient 9:c22db038556c 222 #endif
Azure.IoT Build 0:6ae2f7bca550 223 }
Azure.IoT Build 0:6ae2f7bca550 224
Azure.IoT Build 0:6ae2f7bca550 225 static void on_bytes_encoded(void* context, const unsigned char* bytes, size_t length, bool encode_complete)
Azure.IoT Build 0:6ae2f7bca550 226 {
AzureIoTClient 4:98007eb79fa8 227 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
AzureIoTClient 4:98007eb79fa8 228 if (xio_send(connection_instance->io, bytes, length, encode_complete ? connection_instance->on_send_complete : NULL, connection_instance->on_send_complete_callback_context) != 0)
AzureIoTClient 4:98007eb79fa8 229 {
AzureIoTClient 4:98007eb79fa8 230 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 231 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 232 }
Azure.IoT Build 0:6ae2f7bca550 233 }
Azure.IoT Build 0:6ae2f7bca550 234
Azure.IoT Build 0:6ae2f7bca550 235 static int send_open_frame(CONNECTION_INSTANCE* connection_instance)
Azure.IoT Build 0:6ae2f7bca550 236 {
AzureIoTClient 4:98007eb79fa8 237 int result;
Azure.IoT Build 0:6ae2f7bca550 238
AzureIoTClient 4:98007eb79fa8 239 /* Codes_SRS_CONNECTION_01_151: [The connection max_frame_size setting shall be passed down to the frame_codec when the Open frame is sent.] */
AzureIoTClient 4:98007eb79fa8 240 if (frame_codec_set_max_frame_size(connection_instance->frame_codec, connection_instance->max_frame_size) != 0)
AzureIoTClient 4:98007eb79fa8 241 {
AzureIoTClient 4:98007eb79fa8 242 /* Codes_SRS_CONNECTION_01_207: [If frame_codec_set_max_frame_size fails the connection shall be closed and the state set to END.] */
AzureIoTClient 4:98007eb79fa8 243 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 244 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 245 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 246 }
AzureIoTClient 4:98007eb79fa8 247 else
AzureIoTClient 4:98007eb79fa8 248 {
AzureIoTClient 4:98007eb79fa8 249 /* Codes_SRS_CONNECTION_01_134: [The container id field shall be filled with the container id specified in connection_create.] */
AzureIoTClient 4:98007eb79fa8 250 OPEN_HANDLE open_performative = open_create(connection_instance->container_id);
AzureIoTClient 4:98007eb79fa8 251 if (open_performative == NULL)
AzureIoTClient 4:98007eb79fa8 252 {
AzureIoTClient 4:98007eb79fa8 253 /* Codes_SRS_CONNECTION_01_208: [If the open frame cannot be constructed, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 254 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 255 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 256 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 257 }
AzureIoTClient 4:98007eb79fa8 258 else
AzureIoTClient 4:98007eb79fa8 259 {
AzureIoTClient 4:98007eb79fa8 260 /* Codes_SRS_CONNECTION_01_137: [The max_frame_size connection setting shall be set in the open frame by using open_set_max_frame_size.] */
AzureIoTClient 4:98007eb79fa8 261 if (open_set_max_frame_size(open_performative, connection_instance->max_frame_size) != 0)
AzureIoTClient 4:98007eb79fa8 262 {
AzureIoTClient 4:98007eb79fa8 263 /* Codes_SRS_CONNECTION_01_208: [If the open frame cannot be constructed, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 264 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 265 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 266 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 267 }
AzureIoTClient 4:98007eb79fa8 268 /* Codes_SRS_CONNECTION_01_139: [The channel_max connection setting shall be set in the open frame by using open_set_channel_max.] */
AzureIoTClient 4:98007eb79fa8 269 else if (open_set_channel_max(open_performative, connection_instance->channel_max) != 0)
AzureIoTClient 4:98007eb79fa8 270 {
AzureIoTClient 4:98007eb79fa8 271 /* Codes_SRS_CONNECTION_01_208: [If the open frame cannot be constructed, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 272 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 273 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 274 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 275 }
AzureIoTClient 4:98007eb79fa8 276 /* Codes_SRS_CONNECTION_01_142: [If no idle_timeout value has been specified, no value shall be stamped in the open frame (no call to open_set_idle_time_out shall be made).] */
AzureIoTClient 4:98007eb79fa8 277 else if ((connection_instance->idle_timeout_specified) &&
AzureIoTClient 4:98007eb79fa8 278 /* Codes_SRS_CONNECTION_01_141: [If idle_timeout has been specified by a call to connection_set_idle_timeout, then that value shall be stamped in the open frame.] */
AzureIoTClient 4:98007eb79fa8 279 (open_set_idle_time_out(open_performative, connection_instance->idle_timeout) != 0))
AzureIoTClient 4:98007eb79fa8 280 {
AzureIoTClient 4:98007eb79fa8 281 /* Codes_SRS_CONNECTION_01_208: [If the open frame cannot be constructed, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 282 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 283 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 284 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 285 }
AzureIoTClient 4:98007eb79fa8 286 /* Codes_SRS_CONNECTION_01_136: [If no hostname value has been specified, no value shall be stamped in the open frame (no call to open_set_hostname shall be made).] */
AzureIoTClient 4:98007eb79fa8 287 else if ((connection_instance->host_name != NULL) &&
AzureIoTClient 4:98007eb79fa8 288 /* Codes_SRS_CONNECTION_01_135: [If hostname has been specified by a call to connection_set_hostname, then that value shall be stamped in the open frame.] */
AzureIoTClient 4:98007eb79fa8 289 (open_set_hostname(open_performative, connection_instance->host_name) != 0))
AzureIoTClient 4:98007eb79fa8 290 {
AzureIoTClient 4:98007eb79fa8 291 /* Codes_SRS_CONNECTION_01_208: [If the open frame cannot be constructed, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 292 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 293 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 294 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 295 }
AzureIoTClient 4:98007eb79fa8 296 else
AzureIoTClient 4:98007eb79fa8 297 {
AzureIoTClient 4:98007eb79fa8 298 AMQP_VALUE open_performative_value = amqpvalue_create_open(open_performative);
AzureIoTClient 4:98007eb79fa8 299 if (open_performative_value == NULL)
AzureIoTClient 4:98007eb79fa8 300 {
AzureIoTClient 4:98007eb79fa8 301 /* Codes_SRS_CONNECTION_01_208: [If the open frame cannot be constructed, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 302 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 303 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 304 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 305 }
AzureIoTClient 4:98007eb79fa8 306 else
AzureIoTClient 4:98007eb79fa8 307 {
AzureIoTClient 4:98007eb79fa8 308 /* Codes_SRS_CONNECTION_01_002: [Each AMQP connection begins with an exchange of capabilities and limitations, including the maximum frame size.] */
AzureIoTClient 4:98007eb79fa8 309 /* Codes_SRS_CONNECTION_01_004: [After establishing or accepting a TCP connection and sending the protocol header, each peer MUST send an open frame before sending any other frames.] */
AzureIoTClient 4:98007eb79fa8 310 /* Codes_SRS_CONNECTION_01_005: [The open frame describes the capabilities and limits of that peer.] */
AzureIoTClient 4:98007eb79fa8 311 /* Codes_SRS_CONNECTION_01_205: [Sending the AMQP OPEN frame shall be done by calling amqp_frame_codec_begin_encode_frame with channel number 0, the actual performative payload and 0 as payload_size.] */
AzureIoTClient 4:98007eb79fa8 312 /* Codes_SRS_CONNECTION_01_006: [The open frame can only be sent on channel 0.] */
AzureIoTClient 4:98007eb79fa8 313 connection_instance->on_send_complete = NULL;
AzureIoTClient 4:98007eb79fa8 314 connection_instance->on_send_complete_callback_context = NULL;
AzureIoTClient 4:98007eb79fa8 315 if (amqp_frame_codec_encode_frame(connection_instance->amqp_frame_codec, 0, open_performative_value, NULL, 0, on_bytes_encoded, connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 316 {
AzureIoTClient 4:98007eb79fa8 317 /* Codes_SRS_CONNECTION_01_206: [If sending the frame fails, the connection shall be closed and state set to END.] */
AzureIoTClient 4:98007eb79fa8 318 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 319 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 320 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 321 }
AzureIoTClient 4:98007eb79fa8 322 else
AzureIoTClient 4:98007eb79fa8 323 {
AzureIoTClient 4:98007eb79fa8 324 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 325 {
Azure.IoT Build 5:ae49385aff34 326 log_outgoing_frame(open_performative_value);
AzureIoTClient 4:98007eb79fa8 327 }
Azure.IoT Build 0:6ae2f7bca550 328
AzureIoTClient 4:98007eb79fa8 329 /* Codes_SRS_CONNECTION_01_046: [OPEN SENT In this state the connection headers have been exchanged. An open frame has been sent to the peer but no open frame has yet been received.] */
AzureIoTClient 4:98007eb79fa8 330 connection_set_state(connection_instance, CONNECTION_STATE_OPEN_SENT);
AzureIoTClient 4:98007eb79fa8 331 result = 0;
AzureIoTClient 4:98007eb79fa8 332 }
Azure.IoT Build 0:6ae2f7bca550 333
AzureIoTClient 4:98007eb79fa8 334 amqpvalue_destroy(open_performative_value);
AzureIoTClient 4:98007eb79fa8 335 }
AzureIoTClient 4:98007eb79fa8 336 }
Azure.IoT Build 0:6ae2f7bca550 337
AzureIoTClient 4:98007eb79fa8 338 open_destroy(open_performative);
AzureIoTClient 4:98007eb79fa8 339 }
AzureIoTClient 4:98007eb79fa8 340 }
Azure.IoT Build 0:6ae2f7bca550 341
AzureIoTClient 4:98007eb79fa8 342 return result;
Azure.IoT Build 0:6ae2f7bca550 343 }
Azure.IoT Build 0:6ae2f7bca550 344
Azure.IoT Build 0:6ae2f7bca550 345 static int send_close_frame(CONNECTION_INSTANCE* connection_instance, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 346 {
AzureIoTClient 4:98007eb79fa8 347 int result;
AzureIoTClient 4:98007eb79fa8 348 CLOSE_HANDLE close_performative;
Azure.IoT Build 0:6ae2f7bca550 349
AzureIoTClient 4:98007eb79fa8 350 /* Codes_SRS_CONNECTION_01_217: [The CLOSE frame shall be constructed by using close_create.] */
AzureIoTClient 4:98007eb79fa8 351 close_performative = close_create();
AzureIoTClient 4:98007eb79fa8 352 if (close_performative == NULL)
AzureIoTClient 4:98007eb79fa8 353 {
AzureIoTClient 4:98007eb79fa8 354 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 355 }
AzureIoTClient 4:98007eb79fa8 356 else
AzureIoTClient 4:98007eb79fa8 357 {
AzureIoTClient 4:98007eb79fa8 358 if ((error_handle != NULL) &&
AzureIoTClient 4:98007eb79fa8 359 /* Codes_SRS_CONNECTION_01_238: [If set, this field indicates that the connection is being closed due to an error condition.] */
AzureIoTClient 4:98007eb79fa8 360 (close_set_error(close_performative, error_handle) != 0))
AzureIoTClient 4:98007eb79fa8 361 {
AzureIoTClient 4:98007eb79fa8 362 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 363 }
AzureIoTClient 4:98007eb79fa8 364 else
AzureIoTClient 4:98007eb79fa8 365 {
AzureIoTClient 4:98007eb79fa8 366 AMQP_VALUE close_performative_value = amqpvalue_create_close(close_performative);
AzureIoTClient 4:98007eb79fa8 367 if (close_performative_value == NULL)
AzureIoTClient 4:98007eb79fa8 368 {
AzureIoTClient 4:98007eb79fa8 369 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 370 }
AzureIoTClient 4:98007eb79fa8 371 else
AzureIoTClient 4:98007eb79fa8 372 {
AzureIoTClient 4:98007eb79fa8 373 /* Codes_SRS_CONNECTION_01_215: [Sending the AMQP CLOSE frame shall be done by calling amqp_frame_codec_begin_encode_frame with channel number 0, the actual performative payload and 0 as payload_size.] */
AzureIoTClient 4:98007eb79fa8 374 /* Codes_SRS_CONNECTION_01_013: [However, implementations SHOULD send it on channel 0] */
AzureIoTClient 4:98007eb79fa8 375 connection_instance->on_send_complete = NULL;
AzureIoTClient 4:98007eb79fa8 376 connection_instance->on_send_complete_callback_context = NULL;
AzureIoTClient 4:98007eb79fa8 377 if (amqp_frame_codec_encode_frame(connection_instance->amqp_frame_codec, 0, close_performative_value, NULL, 0, on_bytes_encoded, connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 378 {
AzureIoTClient 4:98007eb79fa8 379 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 380 }
AzureIoTClient 4:98007eb79fa8 381 else
AzureIoTClient 4:98007eb79fa8 382 {
AzureIoTClient 4:98007eb79fa8 383 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 384 {
Azure.IoT Build 5:ae49385aff34 385 log_outgoing_frame(close_performative_value);
AzureIoTClient 4:98007eb79fa8 386 }
Azure.IoT Build 5:ae49385aff34 387
AzureIoTClient 4:98007eb79fa8 388 result = 0;
AzureIoTClient 4:98007eb79fa8 389 }
Azure.IoT Build 0:6ae2f7bca550 390
AzureIoTClient 4:98007eb79fa8 391 amqpvalue_destroy(close_performative_value);
AzureIoTClient 4:98007eb79fa8 392 }
AzureIoTClient 4:98007eb79fa8 393 }
Azure.IoT Build 0:6ae2f7bca550 394
AzureIoTClient 4:98007eb79fa8 395 close_destroy(close_performative);
AzureIoTClient 4:98007eb79fa8 396 }
Azure.IoT Build 0:6ae2f7bca550 397
AzureIoTClient 4:98007eb79fa8 398 return result;
Azure.IoT Build 0:6ae2f7bca550 399 }
Azure.IoT Build 0:6ae2f7bca550 400
Azure.IoT Build 0:6ae2f7bca550 401 static void close_connection_with_error(CONNECTION_INSTANCE* connection_instance, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 402 {
AzureIoTClient 4:98007eb79fa8 403 ERROR_HANDLE error_handle = error_create(condition_value);
AzureIoTClient 4:98007eb79fa8 404 if (error_handle == NULL)
AzureIoTClient 4:98007eb79fa8 405 {
AzureIoTClient 4:98007eb79fa8 406 /* Codes_SRS_CONNECTION_01_214: [If the close frame cannot be constructed or sent, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 407 (void)xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 408 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 409 }
AzureIoTClient 4:98007eb79fa8 410 else
AzureIoTClient 4:98007eb79fa8 411 {
AzureIoTClient 4:98007eb79fa8 412 /* Codes_SRS_CONNECTION_01_219: [The error description shall be set to an implementation defined string.] */
AzureIoTClient 4:98007eb79fa8 413 if ((error_set_description(error_handle, description) != 0) ||
AzureIoTClient 4:98007eb79fa8 414 (send_close_frame(connection_instance, error_handle) != 0))
AzureIoTClient 4:98007eb79fa8 415 {
AzureIoTClient 4:98007eb79fa8 416 /* Codes_SRS_CONNECTION_01_214: [If the close frame cannot be constructed or sent, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 417 (void)xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 418 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 419 }
AzureIoTClient 4:98007eb79fa8 420 else
AzureIoTClient 4:98007eb79fa8 421 {
AzureIoTClient 4:98007eb79fa8 422 /* Codes_SRS_CONNECTION_01_213: [When passing the bytes to frame_codec fails, a CLOSE frame shall be sent and the state shall be set to DISCARDING.] */
AzureIoTClient 4:98007eb79fa8 423 /* Codes_SRS_CONNECTION_01_055: [DISCARDING The DISCARDING state is a variant of the CLOSE SENT state where the close is triggered by an error.] */
AzureIoTClient 16:22a72cf8e416 424 /* Codes_SRS_CONNECTION_01_010: [After writing this frame the peer SHOULD continue to read from the connection until it receives the partner's close frame ] */
AzureIoTClient 4:98007eb79fa8 425 connection_set_state(connection_instance, CONNECTION_STATE_DISCARDING);
AzureIoTClient 4:98007eb79fa8 426 }
Azure.IoT Build 0:6ae2f7bca550 427
AzureIoTClient 4:98007eb79fa8 428 error_destroy(error_handle);
AzureIoTClient 4:98007eb79fa8 429 }
Azure.IoT Build 0:6ae2f7bca550 430 }
Azure.IoT Build 0:6ae2f7bca550 431
Azure.IoT Build 0:6ae2f7bca550 432 static ENDPOINT_INSTANCE* find_session_endpoint_by_outgoing_channel(CONNECTION_INSTANCE* connection, uint16_t outgoing_channel)
Azure.IoT Build 0:6ae2f7bca550 433 {
AzureIoTClient 4:98007eb79fa8 434 uint32_t i;
AzureIoTClient 4:98007eb79fa8 435 ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 436
AzureIoTClient 4:98007eb79fa8 437 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 438 {
AzureIoTClient 4:98007eb79fa8 439 if (connection->endpoints[i]->outgoing_channel == outgoing_channel)
AzureIoTClient 4:98007eb79fa8 440 {
AzureIoTClient 4:98007eb79fa8 441 break;
AzureIoTClient 4:98007eb79fa8 442 }
AzureIoTClient 4:98007eb79fa8 443 }
Azure.IoT Build 0:6ae2f7bca550 444
AzureIoTClient 4:98007eb79fa8 445 if (i == connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 446 {
AzureIoTClient 4:98007eb79fa8 447 result = NULL;
AzureIoTClient 4:98007eb79fa8 448 }
AzureIoTClient 4:98007eb79fa8 449 else
AzureIoTClient 4:98007eb79fa8 450 {
AzureIoTClient 4:98007eb79fa8 451 result = connection->endpoints[i];
AzureIoTClient 4:98007eb79fa8 452 }
Azure.IoT Build 0:6ae2f7bca550 453
AzureIoTClient 4:98007eb79fa8 454 return result;
Azure.IoT Build 0:6ae2f7bca550 455 }
Azure.IoT Build 0:6ae2f7bca550 456
Azure.IoT Build 0:6ae2f7bca550 457 static ENDPOINT_INSTANCE* find_session_endpoint_by_incoming_channel(CONNECTION_INSTANCE* connection, uint16_t incoming_channel)
Azure.IoT Build 0:6ae2f7bca550 458 {
AzureIoTClient 4:98007eb79fa8 459 uint32_t i;
AzureIoTClient 4:98007eb79fa8 460 ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 461
AzureIoTClient 4:98007eb79fa8 462 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 463 {
AzureIoTClient 4:98007eb79fa8 464 if (connection->endpoints[i]->incoming_channel == incoming_channel)
AzureIoTClient 4:98007eb79fa8 465 {
AzureIoTClient 4:98007eb79fa8 466 break;
AzureIoTClient 4:98007eb79fa8 467 }
AzureIoTClient 4:98007eb79fa8 468 }
Azure.IoT Build 0:6ae2f7bca550 469
AzureIoTClient 4:98007eb79fa8 470 if (i == connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 471 {
AzureIoTClient 4:98007eb79fa8 472 result = NULL;
AzureIoTClient 4:98007eb79fa8 473 }
AzureIoTClient 4:98007eb79fa8 474 else
AzureIoTClient 4:98007eb79fa8 475 {
AzureIoTClient 4:98007eb79fa8 476 result = connection->endpoints[i];
AzureIoTClient 4:98007eb79fa8 477 }
Azure.IoT Build 0:6ae2f7bca550 478
AzureIoTClient 4:98007eb79fa8 479 return result;
Azure.IoT Build 0:6ae2f7bca550 480 }
Azure.IoT Build 0:6ae2f7bca550 481
Azure.IoT Build 0:6ae2f7bca550 482 static int connection_byte_received(CONNECTION_INSTANCE* connection_instance, unsigned char b)
Azure.IoT Build 0:6ae2f7bca550 483 {
AzureIoTClient 4:98007eb79fa8 484 int result;
Azure.IoT Build 0:6ae2f7bca550 485
AzureIoTClient 4:98007eb79fa8 486 switch (connection_instance->connection_state)
AzureIoTClient 4:98007eb79fa8 487 {
AzureIoTClient 4:98007eb79fa8 488 default:
AzureIoTClient 4:98007eb79fa8 489 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 490 break;
Azure.IoT Build 0:6ae2f7bca550 491
AzureIoTClient 4:98007eb79fa8 492 /* Codes_SRS_CONNECTION_01_039: [START In this state a connection exists, but nothing has been sent or received. This is the state an implementation would be in immediately after performing a socket connect or socket accept.] */
AzureIoTClient 4:98007eb79fa8 493 case CONNECTION_STATE_START:
Azure.IoT Build 0:6ae2f7bca550 494
AzureIoTClient 4:98007eb79fa8 495 /* Codes_SRS_CONNECTION_01_041: [HDR SENT In this state the connection header has been sent to the peer but no connection header has been received.] */
AzureIoTClient 4:98007eb79fa8 496 case CONNECTION_STATE_HDR_SENT:
AzureIoTClient 4:98007eb79fa8 497 if (b != amqp_header[connection_instance->header_bytes_received])
AzureIoTClient 4:98007eb79fa8 498 {
AzureIoTClient 4:98007eb79fa8 499 /* Codes_SRS_CONNECTION_01_089: [If the incoming and outgoing protocol headers do not match, both peers MUST close their outgoing stream] */
AzureIoTClient 4:98007eb79fa8 500 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 501 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 502 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 503 }
AzureIoTClient 4:98007eb79fa8 504 else
AzureIoTClient 4:98007eb79fa8 505 {
AzureIoTClient 4:98007eb79fa8 506 connection_instance->header_bytes_received++;
AzureIoTClient 4:98007eb79fa8 507 if (connection_instance->header_bytes_received == sizeof(amqp_header))
AzureIoTClient 4:98007eb79fa8 508 {
AzureIoTClient 4:98007eb79fa8 509 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 510 {
AzureIoTClient 16:22a72cf8e416 511 LOG(AZ_LOG_TRACE, LOG_LINE, "<- Header (AMQP 0.1.0.0)");
AzureIoTClient 4:98007eb79fa8 512 }
Azure.IoT Build 0:6ae2f7bca550 513
AzureIoTClient 4:98007eb79fa8 514 connection_set_state(connection_instance, CONNECTION_STATE_HDR_EXCH);
Azure.IoT Build 0:6ae2f7bca550 515
AzureIoTClient 4:98007eb79fa8 516 if (send_open_frame(connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 517 {
AzureIoTClient 4:98007eb79fa8 518 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 519 }
AzureIoTClient 4:98007eb79fa8 520 }
Azure.IoT Build 0:6ae2f7bca550 521
AzureIoTClient 4:98007eb79fa8 522 result = 0;
AzureIoTClient 4:98007eb79fa8 523 }
AzureIoTClient 4:98007eb79fa8 524 break;
Azure.IoT Build 0:6ae2f7bca550 525
AzureIoTClient 4:98007eb79fa8 526 /* Codes_SRS_CONNECTION_01_040: [HDR RCVD In this state the connection header has been received from the peer but a connection header has not been sent.] */
AzureIoTClient 4:98007eb79fa8 527 case CONNECTION_STATE_HDR_RCVD:
Azure.IoT Build 0:6ae2f7bca550 528
AzureIoTClient 4:98007eb79fa8 529 /* Codes_SRS_CONNECTION_01_042: [HDR EXCH In this state the connection header has been sent to the peer and a connection header has been received from the peer.] */
AzureIoTClient 4:98007eb79fa8 530 /* we should not really get into this state, but just in case, we would treat that in the same way as HDR_RCVD */
AzureIoTClient 4:98007eb79fa8 531 case CONNECTION_STATE_HDR_EXCH:
Azure.IoT Build 0:6ae2f7bca550 532
AzureIoTClient 4:98007eb79fa8 533 /* Codes_SRS_CONNECTION_01_045: [OPEN RCVD In this state the connection headers have been exchanged. An open frame has been received from the peer but an open frame has not been sent.] */
AzureIoTClient 4:98007eb79fa8 534 case CONNECTION_STATE_OPEN_RCVD:
Azure.IoT Build 0:6ae2f7bca550 535
AzureIoTClient 4:98007eb79fa8 536 /* Codes_SRS_CONNECTION_01_046: [OPEN SENT In this state the connection headers have been exchanged. An open frame has been sent to the peer but no open frame has yet been received.] */
AzureIoTClient 4:98007eb79fa8 537 case CONNECTION_STATE_OPEN_SENT:
Azure.IoT Build 0:6ae2f7bca550 538
AzureIoTClient 4:98007eb79fa8 539 /* Codes_SRS_CONNECTION_01_048: [OPENED In this state the connection header and the open frame have been both sent and received.] */
AzureIoTClient 4:98007eb79fa8 540 case CONNECTION_STATE_OPENED:
AzureIoTClient 4:98007eb79fa8 541 /* Codes_SRS_CONNECTION_01_212: [After the initial handshake has been done all bytes received from the io instance shall be passed to the frame_codec for decoding by calling frame_codec_receive_bytes.] */
AzureIoTClient 4:98007eb79fa8 542 if (frame_codec_receive_bytes(connection_instance->frame_codec, &b, 1) != 0)
AzureIoTClient 4:98007eb79fa8 543 {
AzureIoTClient 4:98007eb79fa8 544 /* Codes_SRS_CONNECTION_01_218: [The error amqp:internal-error shall be set in the error.condition field of the CLOSE frame.] */
AzureIoTClient 4:98007eb79fa8 545 /* Codes_SRS_CONNECTION_01_219: [The error description shall be set to an implementation defined string.] */
AzureIoTClient 4:98007eb79fa8 546 close_connection_with_error(connection_instance, "amqp:internal-error", "connection_byte_received::frame_codec_receive_bytes failed");
AzureIoTClient 4:98007eb79fa8 547 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 548 }
AzureIoTClient 4:98007eb79fa8 549 else
AzureIoTClient 4:98007eb79fa8 550 {
AzureIoTClient 4:98007eb79fa8 551 result = 0;
AzureIoTClient 4:98007eb79fa8 552 }
Azure.IoT Build 0:6ae2f7bca550 553
AzureIoTClient 4:98007eb79fa8 554 break;
AzureIoTClient 4:98007eb79fa8 555 }
AzureIoTClient 4:98007eb79fa8 556
AzureIoTClient 4:98007eb79fa8 557 return result;
Azure.IoT Build 0:6ae2f7bca550 558 }
Azure.IoT Build 0:6ae2f7bca550 559
Azure.IoT Build 0:6ae2f7bca550 560 static void connection_on_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 561 {
AzureIoTClient 4:98007eb79fa8 562 size_t i;
Azure.IoT Build 0:6ae2f7bca550 563
AzureIoTClient 4:98007eb79fa8 564 for (i = 0; i < size; i++)
AzureIoTClient 4:98007eb79fa8 565 {
AzureIoTClient 4:98007eb79fa8 566 if (connection_byte_received((CONNECTION_INSTANCE*)context, buffer[i]) != 0)
AzureIoTClient 4:98007eb79fa8 567 {
AzureIoTClient 4:98007eb79fa8 568 break;
AzureIoTClient 4:98007eb79fa8 569 }
AzureIoTClient 4:98007eb79fa8 570 }
Azure.IoT Build 0:6ae2f7bca550 571 }
Azure.IoT Build 0:6ae2f7bca550 572
Azure.IoT Build 0:6ae2f7bca550 573 static void connection_on_io_open_complete(void* context, IO_OPEN_RESULT io_open_result)
Azure.IoT Build 0:6ae2f7bca550 574 {
AzureIoTClient 4:98007eb79fa8 575 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 576
AzureIoTClient 4:98007eb79fa8 577 if (io_open_result == IO_OPEN_OK)
AzureIoTClient 4:98007eb79fa8 578 {
AzureIoTClient 4:98007eb79fa8 579 /* Codes_SRS_CONNECTION_01_084: [The connection_instance state machine implementing the protocol requirements shall be run as part of connection_dowork.] */
AzureIoTClient 4:98007eb79fa8 580 switch (connection_instance->connection_state)
AzureIoTClient 4:98007eb79fa8 581 {
AzureIoTClient 4:98007eb79fa8 582 default:
AzureIoTClient 4:98007eb79fa8 583 break;
Azure.IoT Build 0:6ae2f7bca550 584
AzureIoTClient 4:98007eb79fa8 585 case CONNECTION_STATE_START:
AzureIoTClient 4:98007eb79fa8 586 /* Codes_SRS_CONNECTION_01_086: [Prior to sending any frames on a connection_instance, each peer MUST start by sending a protocol header that indicates the protocol version used on the connection_instance.] */
AzureIoTClient 4:98007eb79fa8 587 /* Codes_SRS_CONNECTION_01_091: [The AMQP peer which acted in the role of the TCP client (i.e. the peer that actively opened the connection_instance) MUST immediately send its outgoing protocol header on establishment of the TCP connection_instance.] */
AzureIoTClient 4:98007eb79fa8 588 (void)send_header(connection_instance);
AzureIoTClient 4:98007eb79fa8 589 break;
Azure.IoT Build 0:6ae2f7bca550 590
AzureIoTClient 4:98007eb79fa8 591 case CONNECTION_STATE_HDR_SENT:
AzureIoTClient 4:98007eb79fa8 592 case CONNECTION_STATE_OPEN_SENT:
AzureIoTClient 4:98007eb79fa8 593 case CONNECTION_STATE_OPENED:
AzureIoTClient 4:98007eb79fa8 594 break;
Azure.IoT Build 0:6ae2f7bca550 595
AzureIoTClient 4:98007eb79fa8 596 case CONNECTION_STATE_HDR_EXCH:
AzureIoTClient 4:98007eb79fa8 597 /* Codes_SRS_CONNECTION_01_002: [Each AMQP connection_instance begins with an exchange of capabilities and limitations, including the maximum frame size.] */
AzureIoTClient 4:98007eb79fa8 598 /* Codes_SRS_CONNECTION_01_004: [After establishing or accepting a TCP connection_instance and sending the protocol header, each peer MUST send an open frame before sending any other frames.] */
AzureIoTClient 4:98007eb79fa8 599 /* Codes_SRS_CONNECTION_01_005: [The open frame describes the capabilities and limits of that peer.] */
AzureIoTClient 4:98007eb79fa8 600 if (send_open_frame(connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 601 {
AzureIoTClient 4:98007eb79fa8 602 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 603 }
AzureIoTClient 4:98007eb79fa8 604 break;
Azure.IoT Build 0:6ae2f7bca550 605
AzureIoTClient 4:98007eb79fa8 606 case CONNECTION_STATE_OPEN_RCVD:
AzureIoTClient 4:98007eb79fa8 607 break;
AzureIoTClient 4:98007eb79fa8 608 }
AzureIoTClient 4:98007eb79fa8 609 }
AzureIoTClient 4:98007eb79fa8 610 else
AzureIoTClient 4:98007eb79fa8 611 {
AzureIoTClient 4:98007eb79fa8 612 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 613 }
Azure.IoT Build 0:6ae2f7bca550 614 }
Azure.IoT Build 0:6ae2f7bca550 615
Azure.IoT Build 0:6ae2f7bca550 616 static void connection_on_io_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 617 {
AzureIoTClient 4:98007eb79fa8 618 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 619
Azure.IoT Build 0:6ae2f7bca550 620 /* Codes_SRS_CONNECTION_22_005: [If the io notifies the connection instance of an IO_STATE_ERROR state and an io error callback is registered, the connection shall call the registered callback.] */
Azure.IoT Build 0:6ae2f7bca550 621 if (connection_instance->on_io_error)
Azure.IoT Build 0:6ae2f7bca550 622 {
Azure.IoT Build 0:6ae2f7bca550 623 connection_instance->on_io_error(connection_instance->on_io_error_callback_context);
Azure.IoT Build 0:6ae2f7bca550 624 }
Azure.IoT Build 0:6ae2f7bca550 625
AzureIoTClient 4:98007eb79fa8 626 if (connection_instance->connection_state != CONNECTION_STATE_END)
AzureIoTClient 4:98007eb79fa8 627 {
AzureIoTClient 4:98007eb79fa8 628 /* Codes_SRS_CONNECTION_01_202: [If the io notifies the connection instance of an IO_STATE_ERROR state the connection shall be closed and the state set to END.] */
AzureIoTClient 4:98007eb79fa8 629 connection_set_state(connection_instance, CONNECTION_STATE_ERROR);
AzureIoTClient 4:98007eb79fa8 630 (void)xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 631 }
Azure.IoT Build 0:6ae2f7bca550 632 }
Azure.IoT Build 0:6ae2f7bca550 633
Azure.IoT Build 0:6ae2f7bca550 634 static void on_empty_amqp_frame_received(void* context, uint16_t channel)
Azure.IoT Build 0:6ae2f7bca550 635 {
AzureIoTClient 6:641a9672db08 636 (void)channel;
AzureIoTClient 6:641a9672db08 637 /* It does not matter on which channel we received the frame */
AzureIoTClient 4:98007eb79fa8 638 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
AzureIoTClient 6:641a9672db08 639 if (connection_instance->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 640 {
AzureIoTClient 16:22a72cf8e416 641 LOG(AZ_LOG_TRACE, LOG_LINE, "<- Empty frame");
AzureIoTClient 6:641a9672db08 642 }
AzureIoTClient 4:98007eb79fa8 643 if (tickcounter_get_current_ms(connection_instance->tick_counter, &connection_instance->last_frame_received_time) != 0)
AzureIoTClient 4:98007eb79fa8 644 {
AzureIoTClient 4:98007eb79fa8 645 /* error */
AzureIoTClient 4:98007eb79fa8 646 }
Azure.IoT Build 0:6ae2f7bca550 647 }
Azure.IoT Build 0:6ae2f7bca550 648
Azure.IoT Build 0:6ae2f7bca550 649 static void on_amqp_frame_received(void* context, uint16_t channel, AMQP_VALUE performative, const unsigned char* payload_bytes, uint32_t payload_size)
Azure.IoT Build 0:6ae2f7bca550 650 {
AzureIoTClient 6:641a9672db08 651 (void)channel;
AzureIoTClient 4:98007eb79fa8 652 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 653
AzureIoTClient 4:98007eb79fa8 654 if (tickcounter_get_current_ms(connection_instance->tick_counter, &connection_instance->last_frame_received_time) != 0)
AzureIoTClient 4:98007eb79fa8 655 {
AzureIoTClient 4:98007eb79fa8 656 close_connection_with_error(connection_instance, "amqp:internal-error", "cannot get current tick count");
AzureIoTClient 4:98007eb79fa8 657 }
AzureIoTClient 4:98007eb79fa8 658 else
AzureIoTClient 4:98007eb79fa8 659 {
AzureIoTClient 4:98007eb79fa8 660 if (connection_instance->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 661 {
AzureIoTClient 4:98007eb79fa8 662 switch (connection_instance->connection_state)
AzureIoTClient 4:98007eb79fa8 663 {
AzureIoTClient 4:98007eb79fa8 664 default:
AzureIoTClient 4:98007eb79fa8 665 if (performative == NULL)
AzureIoTClient 4:98007eb79fa8 666 {
AzureIoTClient 4:98007eb79fa8 667 /* Codes_SRS_CONNECTION_01_223: [If the on_endpoint_frame_received is called with a NULL performative then the connection shall be closed with the error condition amqp:internal-error and an implementation defined error description.] */
AzureIoTClient 4:98007eb79fa8 668 close_connection_with_error(connection_instance, "amqp:internal-error", "connection_endpoint_frame_received::NULL performative");
AzureIoTClient 4:98007eb79fa8 669 }
AzureIoTClient 4:98007eb79fa8 670 else
AzureIoTClient 4:98007eb79fa8 671 {
AzureIoTClient 4:98007eb79fa8 672 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 4:98007eb79fa8 673 uint64_t performative_ulong;
Azure.IoT Build 0:6ae2f7bca550 674
AzureIoTClient 4:98007eb79fa8 675 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 676 {
Azure.IoT Build 5:ae49385aff34 677 log_incoming_frame(performative);
AzureIoTClient 4:98007eb79fa8 678 }
Azure.IoT Build 0:6ae2f7bca550 679
AzureIoTClient 4:98007eb79fa8 680 if (is_open_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 681 {
AzureIoTClient 4:98007eb79fa8 682 if (channel != 0)
AzureIoTClient 4:98007eb79fa8 683 {
AzureIoTClient 4:98007eb79fa8 684 /* Codes_SRS_CONNECTION_01_006: [The open frame can only be sent on channel 0.] */
AzureIoTClient 4:98007eb79fa8 685 /* Codes_SRS_CONNECTION_01_222: [If an Open frame is received in a manner violating the ISO specification, the connection shall be closed with condition amqp:not-allowed and description being an implementation defined string.] */
AzureIoTClient 4:98007eb79fa8 686 close_connection_with_error(connection_instance, "amqp:not-allowed", "OPEN frame received on a channel that is not 0");
AzureIoTClient 4:98007eb79fa8 687 }
Azure.IoT Build 0:6ae2f7bca550 688
AzureIoTClient 4:98007eb79fa8 689 if (connection_instance->connection_state == CONNECTION_STATE_OPENED)
AzureIoTClient 4:98007eb79fa8 690 {
AzureIoTClient 4:98007eb79fa8 691 /* Codes_SRS_CONNECTION_01_239: [If an Open frame is received in the Opened state the connection shall be closed with condition amqp:illegal-state and description being an implementation defined string.] */
AzureIoTClient 4:98007eb79fa8 692 close_connection_with_error(connection_instance, "amqp:illegal-state", "OPEN frame received in the OPENED state");
AzureIoTClient 4:98007eb79fa8 693 }
AzureIoTClient 4:98007eb79fa8 694 else if ((connection_instance->connection_state == CONNECTION_STATE_OPEN_SENT) ||
AzureIoTClient 4:98007eb79fa8 695 (connection_instance->connection_state == CONNECTION_STATE_HDR_EXCH))
AzureIoTClient 4:98007eb79fa8 696 {
AzureIoTClient 4:98007eb79fa8 697 OPEN_HANDLE open_handle;
AzureIoTClient 4:98007eb79fa8 698 if (amqpvalue_get_open(performative, &open_handle) != 0)
AzureIoTClient 4:98007eb79fa8 699 {
AzureIoTClient 4:98007eb79fa8 700 /* Codes_SRS_CONNECTION_01_143: [If any of the values in the received open frame are invalid then the connection shall be closed.] */
AzureIoTClient 4:98007eb79fa8 701 /* Codes_SRS_CONNECTION_01_220: [The error amqp:invalid-field shall be set in the error.condition field of the CLOSE frame.] */
AzureIoTClient 4:98007eb79fa8 702 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing OPEN frame");
AzureIoTClient 4:98007eb79fa8 703 }
AzureIoTClient 4:98007eb79fa8 704 else
AzureIoTClient 4:98007eb79fa8 705 {
AzureIoTClient 4:98007eb79fa8 706 (void)open_get_idle_time_out(open_handle, &connection_instance->remote_idle_timeout);
AzureIoTClient 4:98007eb79fa8 707 if ((open_get_max_frame_size(open_handle, &connection_instance->remote_max_frame_size) != 0) ||
AzureIoTClient 4:98007eb79fa8 708 /* Codes_SRS_CONNECTION_01_167: [Both peers MUST accept frames of up to 512 (MIN-MAX-FRAME-SIZE) octets.] */
AzureIoTClient 4:98007eb79fa8 709 (connection_instance->remote_max_frame_size < 512))
AzureIoTClient 4:98007eb79fa8 710 {
AzureIoTClient 4:98007eb79fa8 711 /* Codes_SRS_CONNECTION_01_143: [If any of the values in the received open frame are invalid then the connection shall be closed.] */
AzureIoTClient 4:98007eb79fa8 712 /* Codes_SRS_CONNECTION_01_220: [The error amqp:invalid-field shall be set in the error.condition field of the CLOSE frame.] */
AzureIoTClient 4:98007eb79fa8 713 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing OPEN frame");
AzureIoTClient 4:98007eb79fa8 714 }
AzureIoTClient 4:98007eb79fa8 715 else
AzureIoTClient 4:98007eb79fa8 716 {
AzureIoTClient 4:98007eb79fa8 717 if (connection_instance->connection_state == CONNECTION_STATE_OPEN_SENT)
AzureIoTClient 4:98007eb79fa8 718 {
AzureIoTClient 4:98007eb79fa8 719 connection_set_state(connection_instance, CONNECTION_STATE_OPENED);
AzureIoTClient 4:98007eb79fa8 720 }
AzureIoTClient 4:98007eb79fa8 721 else
AzureIoTClient 4:98007eb79fa8 722 {
AzureIoTClient 4:98007eb79fa8 723 if (send_open_frame(connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 724 {
AzureIoTClient 4:98007eb79fa8 725 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 726 }
AzureIoTClient 4:98007eb79fa8 727 else
AzureIoTClient 4:98007eb79fa8 728 {
AzureIoTClient 4:98007eb79fa8 729 connection_set_state(connection_instance, CONNECTION_STATE_OPENED);
AzureIoTClient 4:98007eb79fa8 730 }
AzureIoTClient 4:98007eb79fa8 731 }
AzureIoTClient 4:98007eb79fa8 732 }
Azure.IoT Build 0:6ae2f7bca550 733
AzureIoTClient 4:98007eb79fa8 734 open_destroy(open_handle);
AzureIoTClient 4:98007eb79fa8 735 }
AzureIoTClient 4:98007eb79fa8 736 }
AzureIoTClient 4:98007eb79fa8 737 else
AzureIoTClient 4:98007eb79fa8 738 {
AzureIoTClient 4:98007eb79fa8 739 /* do nothing for now ... */
AzureIoTClient 4:98007eb79fa8 740 }
AzureIoTClient 4:98007eb79fa8 741 }
AzureIoTClient 4:98007eb79fa8 742 else if (is_close_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 743 {
AzureIoTClient 4:98007eb79fa8 744 /* Codes_SRS_CONNECTION_01_012: [A close frame MAY be received on any channel up to the maximum channel number negotiated in open.] */
AzureIoTClient 4:98007eb79fa8 745 /* Codes_SRS_CONNECTION_01_242: [The connection module shall accept CLOSE frames even if they have extra payload bytes besides the Close performative.] */
Azure.IoT Build 0:6ae2f7bca550 746
AzureIoTClient 4:98007eb79fa8 747 /* Codes_SRS_CONNECTION_01_225: [HDR_RCVD HDR OPEN] */
AzureIoTClient 4:98007eb79fa8 748 if ((connection_instance->connection_state == CONNECTION_STATE_HDR_RCVD) ||
AzureIoTClient 4:98007eb79fa8 749 /* Codes_SRS_CONNECTION_01_227: [HDR_EXCH OPEN OPEN] */
AzureIoTClient 4:98007eb79fa8 750 (connection_instance->connection_state == CONNECTION_STATE_HDR_EXCH) ||
AzureIoTClient 4:98007eb79fa8 751 /* Codes_SRS_CONNECTION_01_228: [OPEN_RCVD OPEN *] */
AzureIoTClient 4:98007eb79fa8 752 (connection_instance->connection_state == CONNECTION_STATE_OPEN_RCVD) ||
AzureIoTClient 4:98007eb79fa8 753 /* Codes_SRS_CONNECTION_01_235: [CLOSE_SENT - * TCP Close for Write] */
AzureIoTClient 4:98007eb79fa8 754 (connection_instance->connection_state == CONNECTION_STATE_CLOSE_SENT) ||
AzureIoTClient 4:98007eb79fa8 755 /* Codes_SRS_CONNECTION_01_236: [DISCARDING - * TCP Close for Write] */
AzureIoTClient 4:98007eb79fa8 756 (connection_instance->connection_state == CONNECTION_STATE_DISCARDING))
AzureIoTClient 4:98007eb79fa8 757 {
AzureIoTClient 4:98007eb79fa8 758 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 759 }
AzureIoTClient 4:98007eb79fa8 760 else
AzureIoTClient 4:98007eb79fa8 761 {
AzureIoTClient 4:98007eb79fa8 762 CLOSE_HANDLE close_handle;
Azure.IoT Build 0:6ae2f7bca550 763
AzureIoTClient 4:98007eb79fa8 764 /* Codes_SRS_CONNECTION_01_012: [A close frame MAY be received on any channel up to the maximum channel number negotiated in open.] */
AzureIoTClient 4:98007eb79fa8 765 if (channel > connection_instance->channel_max)
AzureIoTClient 4:98007eb79fa8 766 {
AzureIoTClient 4:98007eb79fa8 767 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing CLOSE frame");
AzureIoTClient 4:98007eb79fa8 768 }
AzureIoTClient 4:98007eb79fa8 769 else
AzureIoTClient 4:98007eb79fa8 770 {
AzureIoTClient 4:98007eb79fa8 771 if (amqpvalue_get_close(performative, &close_handle) != 0)
AzureIoTClient 4:98007eb79fa8 772 {
AzureIoTClient 4:98007eb79fa8 773 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing CLOSE frame");
AzureIoTClient 4:98007eb79fa8 774 }
AzureIoTClient 4:98007eb79fa8 775 else
AzureIoTClient 4:98007eb79fa8 776 {
AzureIoTClient 4:98007eb79fa8 777 close_destroy(close_handle);
Azure.IoT Build 0:6ae2f7bca550 778
AzureIoTClient 4:98007eb79fa8 779 connection_set_state(connection_instance, CONNECTION_STATE_CLOSE_RCVD);
Azure.IoT Build 0:6ae2f7bca550 780
AzureIoTClient 4:98007eb79fa8 781 (void)send_close_frame(connection_instance, NULL);
AzureIoTClient 4:98007eb79fa8 782 /* Codes_SRS_CONNECTION_01_214: [If the close frame cannot be constructed or sent, the connection shall be closed and set to the END state.] */
AzureIoTClient 4:98007eb79fa8 783 (void)xio_close(connection_instance->io, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 784
AzureIoTClient 4:98007eb79fa8 785 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 786 }
AzureIoTClient 4:98007eb79fa8 787 }
AzureIoTClient 4:98007eb79fa8 788 }
AzureIoTClient 4:98007eb79fa8 789 }
AzureIoTClient 4:98007eb79fa8 790 else
AzureIoTClient 4:98007eb79fa8 791 {
AzureIoTClient 4:98007eb79fa8 792 amqpvalue_get_ulong(descriptor, &performative_ulong);
Azure.IoT Build 0:6ae2f7bca550 793
AzureIoTClient 4:98007eb79fa8 794 switch (performative_ulong)
AzureIoTClient 4:98007eb79fa8 795 {
AzureIoTClient 4:98007eb79fa8 796 default:
AzureIoTClient 16:22a72cf8e416 797 LOG(AZ_LOG_ERROR, LOG_LINE, "Bad performative: %02x", performative);
AzureIoTClient 4:98007eb79fa8 798 break;
Azure.IoT Build 0:6ae2f7bca550 799
AzureIoTClient 4:98007eb79fa8 800 case AMQP_BEGIN:
AzureIoTClient 4:98007eb79fa8 801 {
AzureIoTClient 4:98007eb79fa8 802 BEGIN_HANDLE begin;
AzureIoTClient 4:98007eb79fa8 803 amqpvalue_get_begin(performative, &begin);
Azure.IoT Build 0:6ae2f7bca550 804
AzureIoTClient 4:98007eb79fa8 805 if (begin == NULL)
AzureIoTClient 4:98007eb79fa8 806 {
AzureIoTClient 4:98007eb79fa8 807 /* error */
AzureIoTClient 4:98007eb79fa8 808 }
AzureIoTClient 4:98007eb79fa8 809 else
AzureIoTClient 4:98007eb79fa8 810 {
AzureIoTClient 4:98007eb79fa8 811 uint16_t remote_channel;
AzureIoTClient 4:98007eb79fa8 812 ENDPOINT_HANDLE new_endpoint = NULL;
AzureIoTClient 4:98007eb79fa8 813 bool remote_begin = false;
Azure.IoT Build 0:6ae2f7bca550 814
AzureIoTClient 4:98007eb79fa8 815 if (begin_get_remote_channel(begin, &remote_channel) != 0)
AzureIoTClient 4:98007eb79fa8 816 {
AzureIoTClient 4:98007eb79fa8 817 remote_begin = true;
AzureIoTClient 4:98007eb79fa8 818 if (connection_instance->on_new_endpoint != NULL)
AzureIoTClient 4:98007eb79fa8 819 {
AzureIoTClient 4:98007eb79fa8 820 new_endpoint = connection_create_endpoint(connection_instance);
AzureIoTClient 4:98007eb79fa8 821 if (!connection_instance->on_new_endpoint(connection_instance->on_new_endpoint_callback_context, new_endpoint))
AzureIoTClient 4:98007eb79fa8 822 {
AzureIoTClient 4:98007eb79fa8 823 connection_destroy_endpoint(new_endpoint);
AzureIoTClient 4:98007eb79fa8 824 new_endpoint = NULL;
AzureIoTClient 4:98007eb79fa8 825 }
AzureIoTClient 4:98007eb79fa8 826 }
AzureIoTClient 4:98007eb79fa8 827 }
Azure.IoT Build 0:6ae2f7bca550 828
AzureIoTClient 4:98007eb79fa8 829 if (!remote_begin)
AzureIoTClient 4:98007eb79fa8 830 {
AzureIoTClient 4:98007eb79fa8 831 ENDPOINT_INSTANCE* session_endpoint = find_session_endpoint_by_outgoing_channel(connection_instance, remote_channel);
AzureIoTClient 4:98007eb79fa8 832 if (session_endpoint == NULL)
AzureIoTClient 4:98007eb79fa8 833 {
AzureIoTClient 4:98007eb79fa8 834 /* error */
AzureIoTClient 4:98007eb79fa8 835 }
AzureIoTClient 4:98007eb79fa8 836 else
AzureIoTClient 4:98007eb79fa8 837 {
AzureIoTClient 4:98007eb79fa8 838 session_endpoint->incoming_channel = channel;
AzureIoTClient 4:98007eb79fa8 839 session_endpoint->on_endpoint_frame_received(session_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 4:98007eb79fa8 840 }
AzureIoTClient 4:98007eb79fa8 841 }
AzureIoTClient 4:98007eb79fa8 842 else
AzureIoTClient 4:98007eb79fa8 843 {
Azure.IoT Build 0:6ae2f7bca550 844 if (new_endpoint != NULL)
Azure.IoT Build 0:6ae2f7bca550 845 {
Azure.IoT Build 0:6ae2f7bca550 846 new_endpoint->incoming_channel = channel;
Azure.IoT Build 0:6ae2f7bca550 847 new_endpoint->on_endpoint_frame_received(new_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 848 }
AzureIoTClient 4:98007eb79fa8 849 }
Azure.IoT Build 0:6ae2f7bca550 850
AzureIoTClient 4:98007eb79fa8 851 begin_destroy(begin);
AzureIoTClient 4:98007eb79fa8 852 }
Azure.IoT Build 0:6ae2f7bca550 853
AzureIoTClient 4:98007eb79fa8 854 break;
AzureIoTClient 4:98007eb79fa8 855 }
Azure.IoT Build 0:6ae2f7bca550 856
AzureIoTClient 4:98007eb79fa8 857 case AMQP_FLOW:
AzureIoTClient 4:98007eb79fa8 858 case AMQP_TRANSFER:
AzureIoTClient 4:98007eb79fa8 859 case AMQP_DISPOSITION:
AzureIoTClient 4:98007eb79fa8 860 case AMQP_END:
AzureIoTClient 4:98007eb79fa8 861 case AMQP_ATTACH:
AzureIoTClient 4:98007eb79fa8 862 case AMQP_DETACH:
AzureIoTClient 4:98007eb79fa8 863 {
AzureIoTClient 4:98007eb79fa8 864 ENDPOINT_INSTANCE* session_endpoint = find_session_endpoint_by_incoming_channel(connection_instance, channel);
AzureIoTClient 4:98007eb79fa8 865 if (session_endpoint == NULL)
AzureIoTClient 4:98007eb79fa8 866 {
AzureIoTClient 4:98007eb79fa8 867 /* error */
AzureIoTClient 4:98007eb79fa8 868 }
AzureIoTClient 4:98007eb79fa8 869 else
AzureIoTClient 4:98007eb79fa8 870 {
AzureIoTClient 4:98007eb79fa8 871 session_endpoint->on_endpoint_frame_received(session_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 4:98007eb79fa8 872 }
Azure.IoT Build 0:6ae2f7bca550 873
AzureIoTClient 4:98007eb79fa8 874 break;
AzureIoTClient 4:98007eb79fa8 875 }
AzureIoTClient 4:98007eb79fa8 876 }
AzureIoTClient 4:98007eb79fa8 877 }
AzureIoTClient 4:98007eb79fa8 878 }
AzureIoTClient 4:98007eb79fa8 879 break;
Azure.IoT Build 0:6ae2f7bca550 880
AzureIoTClient 4:98007eb79fa8 881 case CONNECTION_STATE_START:
AzureIoTClient 4:98007eb79fa8 882 /* Codes_SRS_CONNECTION_01_224: [START HDR HDR] */
AzureIoTClient 4:98007eb79fa8 883 case CONNECTION_STATE_HDR_SENT:
AzureIoTClient 4:98007eb79fa8 884 /* Codes_SRS_CONNECTION_01_226: [HDR_SENT OPEN HDR] */
AzureIoTClient 4:98007eb79fa8 885 case CONNECTION_STATE_OPEN_PIPE:
AzureIoTClient 4:98007eb79fa8 886 /* Codes_SRS_CONNECTION_01_230: [OPEN_PIPE ** HDR] */
AzureIoTClient 4:98007eb79fa8 887 case CONNECTION_STATE_OC_PIPE:
AzureIoTClient 4:98007eb79fa8 888 /* Codes_SRS_CONNECTION_01_232: [OC_PIPE - HDR TCP Close for Write] */
AzureIoTClient 4:98007eb79fa8 889 case CONNECTION_STATE_CLOSE_RCVD:
AzureIoTClient 4:98007eb79fa8 890 /* Codes_SRS_CONNECTION_01_234: [CLOSE_RCVD * - TCP Close for Read] */
AzureIoTClient 4:98007eb79fa8 891 case CONNECTION_STATE_END:
AzureIoTClient 4:98007eb79fa8 892 /* Codes_SRS_CONNECTION_01_237: [END - - TCP Close] */
AzureIoTClient 4:98007eb79fa8 893 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 894 break;
AzureIoTClient 4:98007eb79fa8 895 }
AzureIoTClient 4:98007eb79fa8 896 }
AzureIoTClient 4:98007eb79fa8 897 }
Azure.IoT Build 0:6ae2f7bca550 898 }
Azure.IoT Build 0:6ae2f7bca550 899
Azure.IoT Build 0:6ae2f7bca550 900 static void frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 901 {
AzureIoTClient 6:641a9672db08 902 /* Bug: some error handling should happen here
AzureIoTClient 6:641a9672db08 903 Filed: uAMQP: frame_codec error and amqp_frame_codec_error should handle the errors */
AzureIoTClient 6:641a9672db08 904 (void)context;
Azure.IoT Build 0:6ae2f7bca550 905 }
Azure.IoT Build 0:6ae2f7bca550 906
Azure.IoT Build 0:6ae2f7bca550 907 static void amqp_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 908 {
AzureIoTClient 6:641a9672db08 909 /* Bug: some error handling should happen here
AzureIoTClient 6:641a9672db08 910 Filed: uAMQP: frame_codec error and amqp_frame_codec_error should handle the errors */
AzureIoTClient 6:641a9672db08 911 (void)context;
Azure.IoT Build 0:6ae2f7bca550 912 }
Azure.IoT Build 0:6ae2f7bca550 913
Azure.IoT Build 0:6ae2f7bca550 914 /* Codes_SRS_CONNECTION_01_001: [connection_create shall open a new connection to a specified host/port.] */
Azure.IoT Build 0:6ae2f7bca550 915 CONNECTION_HANDLE connection_create(XIO_HANDLE xio, const char* hostname, const char* container_id, ON_NEW_ENDPOINT on_new_endpoint, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 916 {
Azure.IoT Build 5:ae49385aff34 917 return connection_create2(xio, hostname, container_id, on_new_endpoint, callback_context, NULL, NULL, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 918 }
Azure.IoT Build 0:6ae2f7bca550 919
Azure.IoT Build 0:6ae2f7bca550 920 /* Codes_SRS_CONNECTION_01_001: [connection_create shall open a new connection to a specified host/port.] */
Azure.IoT Build 0:6ae2f7bca550 921 /* Codes_SRS_CONNECTION_22_002: [connection_create shall allow registering connections state and io error callbacks.] */
Azure.IoT Build 5:ae49385aff34 922 CONNECTION_HANDLE connection_create2(XIO_HANDLE xio, const char* hostname, const char* container_id, ON_NEW_ENDPOINT on_new_endpoint, void* callback_context, ON_CONNECTION_STATE_CHANGED on_connection_state_changed, void* on_connection_state_changed_context, ON_IO_ERROR on_io_error, void* on_io_error_context)
Azure.IoT Build 0:6ae2f7bca550 923 {
AzureIoTClient 4:98007eb79fa8 924 CONNECTION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 925
AzureIoTClient 4:98007eb79fa8 926 if ((xio == NULL) ||
AzureIoTClient 4:98007eb79fa8 927 (container_id == NULL))
AzureIoTClient 4:98007eb79fa8 928 {
AzureIoTClient 4:98007eb79fa8 929 /* Codes_SRS_CONNECTION_01_071: [If xio or container_id is NULL, connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 930 result = NULL;
AzureIoTClient 4:98007eb79fa8 931 }
AzureIoTClient 4:98007eb79fa8 932 else
AzureIoTClient 4:98007eb79fa8 933 {
AzureIoTClient 4:98007eb79fa8 934 result = (CONNECTION_INSTANCE*)amqpalloc_malloc(sizeof(CONNECTION_INSTANCE));
AzureIoTClient 4:98007eb79fa8 935 /* Codes_SRS_CONNECTION_01_081: [If allocating the memory for the connection fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 936 if (result != NULL)
AzureIoTClient 4:98007eb79fa8 937 {
AzureIoTClient 4:98007eb79fa8 938 result->io = xio;
Azure.IoT Build 0:6ae2f7bca550 939
AzureIoTClient 4:98007eb79fa8 940 /* Codes_SRS_CONNECTION_01_082: [connection_create shall allocate a new frame_codec instance to be used for frame encoding/decoding.] */
Azure.IoT Build 5:ae49385aff34 941 result->frame_codec = frame_codec_create(frame_codec_error, result);
AzureIoTClient 4:98007eb79fa8 942 if (result->frame_codec == NULL)
AzureIoTClient 4:98007eb79fa8 943 {
AzureIoTClient 4:98007eb79fa8 944 /* Codes_SRS_CONNECTION_01_083: [If frame_codec_create fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 945 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 946 result = NULL;
AzureIoTClient 4:98007eb79fa8 947 }
AzureIoTClient 4:98007eb79fa8 948 else
AzureIoTClient 4:98007eb79fa8 949 {
AzureIoTClient 4:98007eb79fa8 950 result->amqp_frame_codec = amqp_frame_codec_create(result->frame_codec, on_amqp_frame_received, on_empty_amqp_frame_received, amqp_frame_codec_error, result);
AzureIoTClient 4:98007eb79fa8 951 if (result->amqp_frame_codec == NULL)
AzureIoTClient 4:98007eb79fa8 952 {
AzureIoTClient 4:98007eb79fa8 953 /* Codes_SRS_CONNECTION_01_108: [If amqp_frame_codec_create fails, connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 954 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 955 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 956 result = NULL;
AzureIoTClient 4:98007eb79fa8 957 }
AzureIoTClient 4:98007eb79fa8 958 else
AzureIoTClient 4:98007eb79fa8 959 {
AzureIoTClient 4:98007eb79fa8 960 if (hostname != NULL)
AzureIoTClient 4:98007eb79fa8 961 {
AzureIoTClient 4:98007eb79fa8 962 result->host_name = (char*)amqpalloc_malloc(strlen(hostname) + 1);
AzureIoTClient 4:98007eb79fa8 963 if (result->host_name == NULL)
AzureIoTClient 4:98007eb79fa8 964 {
AzureIoTClient 4:98007eb79fa8 965 /* Codes_SRS_CONNECTION_01_081: [If allocating the memory for the connection fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 966 amqp_frame_codec_destroy(result->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 967 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 968 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 969 result = NULL;
AzureIoTClient 4:98007eb79fa8 970 }
AzureIoTClient 4:98007eb79fa8 971 else
AzureIoTClient 4:98007eb79fa8 972 {
AzureIoTClient 4:98007eb79fa8 973 strcpy(result->host_name, hostname);
AzureIoTClient 4:98007eb79fa8 974 }
AzureIoTClient 4:98007eb79fa8 975 }
AzureIoTClient 4:98007eb79fa8 976 else
AzureIoTClient 4:98007eb79fa8 977 {
AzureIoTClient 4:98007eb79fa8 978 result->host_name = NULL;
AzureIoTClient 4:98007eb79fa8 979 }
Azure.IoT Build 0:6ae2f7bca550 980
AzureIoTClient 4:98007eb79fa8 981 if (result != NULL)
AzureIoTClient 4:98007eb79fa8 982 {
AzureIoTClient 4:98007eb79fa8 983 result->container_id = (char*)amqpalloc_malloc(strlen(container_id) + 1);
AzureIoTClient 4:98007eb79fa8 984 if (result->container_id == NULL)
AzureIoTClient 4:98007eb79fa8 985 {
AzureIoTClient 4:98007eb79fa8 986 /* Codes_SRS_CONNECTION_01_081: [If allocating the memory for the connection fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 987 amqpalloc_free(result->host_name);
AzureIoTClient 4:98007eb79fa8 988 amqp_frame_codec_destroy(result->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 989 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 990 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 991 result = NULL;
AzureIoTClient 4:98007eb79fa8 992 }
AzureIoTClient 4:98007eb79fa8 993 else
AzureIoTClient 4:98007eb79fa8 994 {
AzureIoTClient 4:98007eb79fa8 995 result->tick_counter = tickcounter_create();
AzureIoTClient 4:98007eb79fa8 996 if (result->tick_counter == NULL)
AzureIoTClient 4:98007eb79fa8 997 {
AzureIoTClient 4:98007eb79fa8 998 amqpalloc_free(result->container_id);
AzureIoTClient 4:98007eb79fa8 999 amqpalloc_free(result->host_name);
AzureIoTClient 4:98007eb79fa8 1000 amqp_frame_codec_destroy(result->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 1001 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 1002 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 1003 result = NULL;
AzureIoTClient 4:98007eb79fa8 1004 }
AzureIoTClient 4:98007eb79fa8 1005 else
AzureIoTClient 4:98007eb79fa8 1006 {
AzureIoTClient 4:98007eb79fa8 1007 strcpy(result->container_id, container_id);
Azure.IoT Build 0:6ae2f7bca550 1008
AzureIoTClient 4:98007eb79fa8 1009 /* Codes_SRS_CONNECTION_01_173: [<field name="max-frame-size" type="uint" default="4294967295"/>] */
AzureIoTClient 4:98007eb79fa8 1010 result->max_frame_size = 4294967295u;
AzureIoTClient 4:98007eb79fa8 1011 /* Codes: [<field name="channel-max" type="ushort" default="65535"/>] */
AzureIoTClient 4:98007eb79fa8 1012 result->channel_max = 65535;
Azure.IoT Build 0:6ae2f7bca550 1013
AzureIoTClient 4:98007eb79fa8 1014 /* Codes_SRS_CONNECTION_01_175: [<field name="idle-time-out" type="milliseconds"/>] */
AzureIoTClient 4:98007eb79fa8 1015 /* Codes_SRS_CONNECTION_01_192: [A value of zero is the same as if it was not set (null).] */
AzureIoTClient 4:98007eb79fa8 1016 result->idle_timeout = 0;
AzureIoTClient 4:98007eb79fa8 1017 result->remote_idle_timeout = 0;
Azure.IoT Build 0:6ae2f7bca550 1018
AzureIoTClient 4:98007eb79fa8 1019 result->endpoint_count = 0;
AzureIoTClient 4:98007eb79fa8 1020 result->endpoints = NULL;
AzureIoTClient 4:98007eb79fa8 1021 result->header_bytes_received = 0;
AzureIoTClient 4:98007eb79fa8 1022 result->is_remote_frame_received = 0;
Azure.IoT Build 0:6ae2f7bca550 1023
AzureIoTClient 4:98007eb79fa8 1024 result->is_underlying_io_open = 0;
AzureIoTClient 4:98007eb79fa8 1025 result->remote_max_frame_size = 512;
AzureIoTClient 4:98007eb79fa8 1026 result->is_trace_on = 0;
Azure.IoT Build 0:6ae2f7bca550 1027
AzureIoTClient 4:98007eb79fa8 1028 /* Mark that settings have not yet been set by the user */
AzureIoTClient 4:98007eb79fa8 1029 result->idle_timeout_specified = 0;
Azure.IoT Build 0:6ae2f7bca550 1030
AzureIoTClient 4:98007eb79fa8 1031 result->on_new_endpoint = on_new_endpoint;
AzureIoTClient 4:98007eb79fa8 1032 result->on_new_endpoint_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 1033
Azure.IoT Build 0:6ae2f7bca550 1034 result->on_io_error = on_io_error;
Azure.IoT Build 0:6ae2f7bca550 1035 result->on_io_error_callback_context = on_io_error_context;
Azure.IoT Build 0:6ae2f7bca550 1036 result->on_connection_state_changed = on_connection_state_changed;
Azure.IoT Build 0:6ae2f7bca550 1037 result->on_connection_state_changed_callback_context = on_connection_state_changed_context;
Azure.IoT Build 0:6ae2f7bca550 1038
AzureIoTClient 4:98007eb79fa8 1039 /* Codes_SRS_CONNECTION_01_072: [When connection_create succeeds, the state of the connection shall be CONNECTION_STATE_START.] */
AzureIoTClient 4:98007eb79fa8 1040 connection_set_state(result, CONNECTION_STATE_START);
AzureIoTClient 4:98007eb79fa8 1041 }
AzureIoTClient 4:98007eb79fa8 1042 }
AzureIoTClient 4:98007eb79fa8 1043 }
AzureIoTClient 4:98007eb79fa8 1044 }
AzureIoTClient 4:98007eb79fa8 1045 }
AzureIoTClient 4:98007eb79fa8 1046 }
AzureIoTClient 4:98007eb79fa8 1047 }
Azure.IoT Build 0:6ae2f7bca550 1048
AzureIoTClient 4:98007eb79fa8 1049 return result;
Azure.IoT Build 0:6ae2f7bca550 1050 }
Azure.IoT Build 0:6ae2f7bca550 1051
Azure.IoT Build 0:6ae2f7bca550 1052 void connection_destroy(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1053 {
AzureIoTClient 4:98007eb79fa8 1054 /* Codes_SRS_CONNECTION_01_079: [If handle is NULL, connection_destroy shall do nothing.] */
AzureIoTClient 4:98007eb79fa8 1055 if (connection != NULL)
AzureIoTClient 4:98007eb79fa8 1056 {
AzureIoTClient 4:98007eb79fa8 1057 /* Codes_SRS_CONNECTION_01_073: [connection_destroy shall free all resources associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1058 if (connection->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 1059 {
AzureIoTClient 4:98007eb79fa8 1060 connection_close(connection, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 1061 }
Azure.IoT Build 0:6ae2f7bca550 1062
AzureIoTClient 4:98007eb79fa8 1063 amqp_frame_codec_destroy(connection->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 1064 frame_codec_destroy(connection->frame_codec);
AzureIoTClient 4:98007eb79fa8 1065 tickcounter_destroy(connection->tick_counter);
Azure.IoT Build 0:6ae2f7bca550 1066
AzureIoTClient 4:98007eb79fa8 1067 amqpalloc_free(connection->host_name);
AzureIoTClient 4:98007eb79fa8 1068 amqpalloc_free(connection->container_id);
Azure.IoT Build 0:6ae2f7bca550 1069
AzureIoTClient 4:98007eb79fa8 1070 /* Codes_SRS_CONNECTION_01_074: [connection_destroy shall close the socket connection.] */
AzureIoTClient 4:98007eb79fa8 1071 amqpalloc_free(connection);
AzureIoTClient 4:98007eb79fa8 1072 }
Azure.IoT Build 0:6ae2f7bca550 1073 }
Azure.IoT Build 0:6ae2f7bca550 1074
Azure.IoT Build 0:6ae2f7bca550 1075 int connection_open(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1076 {
AzureIoTClient 4:98007eb79fa8 1077 int result;
Azure.IoT Build 0:6ae2f7bca550 1078
AzureIoTClient 4:98007eb79fa8 1079 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1080 {
AzureIoTClient 4:98007eb79fa8 1081 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1082 }
AzureIoTClient 4:98007eb79fa8 1083 else
AzureIoTClient 4:98007eb79fa8 1084 {
AzureIoTClient 4:98007eb79fa8 1085 if (!connection->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 1086 {
AzureIoTClient 4:98007eb79fa8 1087 if (xio_open(connection->io, connection_on_io_open_complete, connection, connection_on_bytes_received, connection, connection_on_io_error, connection) != 0)
AzureIoTClient 4:98007eb79fa8 1088 {
AzureIoTClient 4:98007eb79fa8 1089 connection_set_state(connection, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 1090 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1091 }
AzureIoTClient 4:98007eb79fa8 1092 else
AzureIoTClient 4:98007eb79fa8 1093 {
AzureIoTClient 4:98007eb79fa8 1094 connection->is_underlying_io_open = 1;
Azure.IoT Build 0:6ae2f7bca550 1095
AzureIoTClient 4:98007eb79fa8 1096 connection_set_state(connection, CONNECTION_STATE_START);
Azure.IoT Build 0:6ae2f7bca550 1097
AzureIoTClient 4:98007eb79fa8 1098 result = 0;
AzureIoTClient 4:98007eb79fa8 1099 }
AzureIoTClient 4:98007eb79fa8 1100 }
AzureIoTClient 4:98007eb79fa8 1101 else
AzureIoTClient 4:98007eb79fa8 1102 {
AzureIoTClient 4:98007eb79fa8 1103 result = 0;
AzureIoTClient 4:98007eb79fa8 1104 }
AzureIoTClient 4:98007eb79fa8 1105 }
Azure.IoT Build 0:6ae2f7bca550 1106
AzureIoTClient 4:98007eb79fa8 1107 return result;
Azure.IoT Build 0:6ae2f7bca550 1108 }
Azure.IoT Build 0:6ae2f7bca550 1109
Azure.IoT Build 0:6ae2f7bca550 1110 int connection_listen(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1111 {
AzureIoTClient 4:98007eb79fa8 1112 int result;
Azure.IoT Build 0:6ae2f7bca550 1113
AzureIoTClient 4:98007eb79fa8 1114 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1115 {
AzureIoTClient 4:98007eb79fa8 1116 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1117 }
AzureIoTClient 4:98007eb79fa8 1118 else
AzureIoTClient 4:98007eb79fa8 1119 {
AzureIoTClient 4:98007eb79fa8 1120 if (!connection->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 1121 {
AzureIoTClient 4:98007eb79fa8 1122 if (xio_open(connection->io, connection_on_io_open_complete, connection, connection_on_bytes_received, connection, connection_on_io_error, connection) != 0)
AzureIoTClient 4:98007eb79fa8 1123 {
AzureIoTClient 4:98007eb79fa8 1124 connection_set_state(connection, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 1125 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1126 }
AzureIoTClient 4:98007eb79fa8 1127 else
AzureIoTClient 4:98007eb79fa8 1128 {
AzureIoTClient 4:98007eb79fa8 1129 connection->is_underlying_io_open = 1;
Azure.IoT Build 0:6ae2f7bca550 1130
AzureIoTClient 4:98007eb79fa8 1131 connection_set_state(connection, CONNECTION_STATE_HDR_EXCH);
Azure.IoT Build 0:6ae2f7bca550 1132
AzureIoTClient 4:98007eb79fa8 1133 result = 0;
AzureIoTClient 4:98007eb79fa8 1134 }
AzureIoTClient 4:98007eb79fa8 1135 }
AzureIoTClient 4:98007eb79fa8 1136 else
AzureIoTClient 4:98007eb79fa8 1137 {
AzureIoTClient 4:98007eb79fa8 1138 result = 0;
AzureIoTClient 4:98007eb79fa8 1139 }
AzureIoTClient 4:98007eb79fa8 1140 }
Azure.IoT Build 0:6ae2f7bca550 1141
AzureIoTClient 4:98007eb79fa8 1142 return result;
Azure.IoT Build 0:6ae2f7bca550 1143 }
Azure.IoT Build 0:6ae2f7bca550 1144
Azure.IoT Build 0:6ae2f7bca550 1145 int connection_close(CONNECTION_HANDLE connection, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 1146 {
AzureIoTClient 4:98007eb79fa8 1147 int result;
Azure.IoT Build 0:6ae2f7bca550 1148
AzureIoTClient 4:98007eb79fa8 1149 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1150 {
AzureIoTClient 4:98007eb79fa8 1151 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1152 }
AzureIoTClient 4:98007eb79fa8 1153 else
AzureIoTClient 4:98007eb79fa8 1154 {
AzureIoTClient 4:98007eb79fa8 1155 if (condition_value != NULL)
AzureIoTClient 4:98007eb79fa8 1156 {
AzureIoTClient 4:98007eb79fa8 1157 close_connection_with_error(connection, condition_value, description);
AzureIoTClient 4:98007eb79fa8 1158 }
AzureIoTClient 4:98007eb79fa8 1159 else
AzureIoTClient 4:98007eb79fa8 1160 {
AzureIoTClient 4:98007eb79fa8 1161 (void)send_close_frame(connection, NULL);
AzureIoTClient 4:98007eb79fa8 1162 connection_set_state(connection, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 1163 }
Azure.IoT Build 0:6ae2f7bca550 1164
AzureIoTClient 4:98007eb79fa8 1165 (void)xio_close(connection->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 1166 connection->is_underlying_io_open = 1;
Azure.IoT Build 0:6ae2f7bca550 1167
Azure.IoT Build 0:6ae2f7bca550 1168 result = 0;
AzureIoTClient 4:98007eb79fa8 1169 }
Azure.IoT Build 0:6ae2f7bca550 1170
AzureIoTClient 4:98007eb79fa8 1171 return result;
Azure.IoT Build 0:6ae2f7bca550 1172 }
Azure.IoT Build 0:6ae2f7bca550 1173
Azure.IoT Build 0:6ae2f7bca550 1174 int connection_set_max_frame_size(CONNECTION_HANDLE connection, uint32_t max_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1175 {
AzureIoTClient 4:98007eb79fa8 1176 int result;
Azure.IoT Build 0:6ae2f7bca550 1177
AzureIoTClient 4:98007eb79fa8 1178 /* Codes_SRS_CONNECTION_01_163: [If connection is NULL, connection_set_max_frame_size shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1179 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1180 /* Codes_SRS_CONNECTION_01_150: [If the max_frame_size is invalid then connection_set_max_frame_size shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1181 /* Codes_SRS_CONNECTION_01_167: [Both peers MUST accept frames of up to 512 (MIN-MAX-FRAME-SIZE) octets.] */
AzureIoTClient 4:98007eb79fa8 1182 (max_frame_size < 512))
AzureIoTClient 4:98007eb79fa8 1183 {
AzureIoTClient 4:98007eb79fa8 1184 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1185 }
AzureIoTClient 4:98007eb79fa8 1186 else
AzureIoTClient 4:98007eb79fa8 1187 {
AzureIoTClient 4:98007eb79fa8 1188 /* Codes_SRS_CONNECTION_01_157: [If connection_set_max_frame_size is called after the initial Open frame has been sent, it shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1189 if (connection->connection_state != CONNECTION_STATE_START)
AzureIoTClient 4:98007eb79fa8 1190 {
AzureIoTClient 4:98007eb79fa8 1191 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1192 }
AzureIoTClient 4:98007eb79fa8 1193 else
AzureIoTClient 4:98007eb79fa8 1194 {
AzureIoTClient 4:98007eb79fa8 1195 /* Codes_SRS_CONNECTION_01_148: [connection_set_max_frame_size shall set the max_frame_size associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1196 /* Codes_SRS_CONNECTION_01_164: [If connection_set_max_frame_size fails, the previous max_frame_size setting shall be retained.] */
AzureIoTClient 4:98007eb79fa8 1197 connection->max_frame_size = max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1198
AzureIoTClient 4:98007eb79fa8 1199 /* Codes_SRS_CONNECTION_01_149: [On success connection_set_max_frame_size shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1200 result = 0;
AzureIoTClient 4:98007eb79fa8 1201 }
AzureIoTClient 4:98007eb79fa8 1202 }
Azure.IoT Build 0:6ae2f7bca550 1203
AzureIoTClient 4:98007eb79fa8 1204 return result;
Azure.IoT Build 0:6ae2f7bca550 1205 }
Azure.IoT Build 0:6ae2f7bca550 1206
Azure.IoT Build 0:6ae2f7bca550 1207 int connection_get_max_frame_size(CONNECTION_HANDLE connection, uint32_t* max_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1208 {
AzureIoTClient 4:98007eb79fa8 1209 int result;
Azure.IoT Build 0:6ae2f7bca550 1210
AzureIoTClient 4:98007eb79fa8 1211 /* Codes_SRS_CONNECTION_01_170: [If connection or max_frame_size is NULL, connection_get_max_frame_size shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1212 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1213 (max_frame_size == NULL))
AzureIoTClient 4:98007eb79fa8 1214 {
AzureIoTClient 4:98007eb79fa8 1215 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1216 }
AzureIoTClient 4:98007eb79fa8 1217 else
AzureIoTClient 4:98007eb79fa8 1218 {
AzureIoTClient 4:98007eb79fa8 1219 /* Codes_SRS_CONNECTION_01_168: [connection_get_max_frame_size shall return in the max_frame_size argument the current max frame size setting.] */
AzureIoTClient 4:98007eb79fa8 1220 *max_frame_size = connection->max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1221
AzureIoTClient 4:98007eb79fa8 1222 /* Codes_SRS_CONNECTION_01_169: [On success, connection_get_max_frame_size shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1223 result = 0;
AzureIoTClient 4:98007eb79fa8 1224 }
Azure.IoT Build 0:6ae2f7bca550 1225
AzureIoTClient 4:98007eb79fa8 1226 return result;
Azure.IoT Build 0:6ae2f7bca550 1227 }
Azure.IoT Build 0:6ae2f7bca550 1228
Azure.IoT Build 0:6ae2f7bca550 1229 int connection_set_channel_max(CONNECTION_HANDLE connection, uint16_t channel_max)
Azure.IoT Build 0:6ae2f7bca550 1230 {
AzureIoTClient 4:98007eb79fa8 1231 int result;
Azure.IoT Build 0:6ae2f7bca550 1232
AzureIoTClient 4:98007eb79fa8 1233 /* Codes_SRS_CONNECTION_01_181: [If connection is NULL then connection_set_channel_max shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1234 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1235 {
AzureIoTClient 4:98007eb79fa8 1236 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1237 }
AzureIoTClient 4:98007eb79fa8 1238 else
AzureIoTClient 4:98007eb79fa8 1239 {
AzureIoTClient 4:98007eb79fa8 1240 /* Codes_SRS_CONNECTION_01_156: [If connection_set_channel_max is called after the initial Open frame has been sent, it shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1241 if (connection->connection_state != CONNECTION_STATE_START)
AzureIoTClient 4:98007eb79fa8 1242 {
AzureIoTClient 4:98007eb79fa8 1243 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1244 }
AzureIoTClient 4:98007eb79fa8 1245 else
AzureIoTClient 4:98007eb79fa8 1246 {
AzureIoTClient 4:98007eb79fa8 1247 /* Codes_SRS_CONNECTION_01_153: [connection_set_channel_max shall set the channel_max associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1248 /* Codes_SRS_CONNECTION_01_165: [If connection_set_channel_max fails, the previous channel_max setting shall be retained.] */
AzureIoTClient 4:98007eb79fa8 1249 connection->channel_max = channel_max;
Azure.IoT Build 0:6ae2f7bca550 1250
AzureIoTClient 4:98007eb79fa8 1251 /* Codes_SRS_CONNECTION_01_154: [On success connection_set_channel_max shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1252 result = 0;
AzureIoTClient 4:98007eb79fa8 1253 }
AzureIoTClient 4:98007eb79fa8 1254 }
Azure.IoT Build 0:6ae2f7bca550 1255
AzureIoTClient 4:98007eb79fa8 1256 return result;
Azure.IoT Build 0:6ae2f7bca550 1257 }
Azure.IoT Build 0:6ae2f7bca550 1258
Azure.IoT Build 0:6ae2f7bca550 1259 int connection_get_channel_max(CONNECTION_HANDLE connection, uint16_t* channel_max)
Azure.IoT Build 0:6ae2f7bca550 1260 {
AzureIoTClient 4:98007eb79fa8 1261 int result;
Azure.IoT Build 0:6ae2f7bca550 1262
AzureIoTClient 4:98007eb79fa8 1263 /* Codes_SRS_CONNECTION_01_184: [If connection or channel_max is NULL, connection_get_channel_max shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1264 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1265 (channel_max == NULL))
AzureIoTClient 4:98007eb79fa8 1266 {
AzureIoTClient 4:98007eb79fa8 1267 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1268 }
AzureIoTClient 4:98007eb79fa8 1269 else
AzureIoTClient 4:98007eb79fa8 1270 {
AzureIoTClient 4:98007eb79fa8 1271 /* Codes_SRS_CONNECTION_01_182: [connection_get_channel_max shall return in the channel_max argument the current channel_max setting.] */
AzureIoTClient 4:98007eb79fa8 1272 *channel_max = connection->channel_max;
Azure.IoT Build 0:6ae2f7bca550 1273
AzureIoTClient 4:98007eb79fa8 1274 /* Codes_SRS_CONNECTION_01_183: [On success, connection_get_channel_max shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1275 result = 0;
AzureIoTClient 4:98007eb79fa8 1276 }
Azure.IoT Build 0:6ae2f7bca550 1277
AzureIoTClient 4:98007eb79fa8 1278 return result;
Azure.IoT Build 0:6ae2f7bca550 1279 }
Azure.IoT Build 0:6ae2f7bca550 1280
Azure.IoT Build 0:6ae2f7bca550 1281 int connection_set_idle_timeout(CONNECTION_HANDLE connection, milliseconds idle_timeout)
Azure.IoT Build 0:6ae2f7bca550 1282 {
AzureIoTClient 4:98007eb79fa8 1283 int result;
Azure.IoT Build 0:6ae2f7bca550 1284
AzureIoTClient 4:98007eb79fa8 1285 /* Codes_SRS_CONNECTION_01_191: [If connection is NULL, connection_set_idle_timeout shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1286 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1287 {
AzureIoTClient 4:98007eb79fa8 1288 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1289 }
AzureIoTClient 4:98007eb79fa8 1290 else
AzureIoTClient 4:98007eb79fa8 1291 {
AzureIoTClient 4:98007eb79fa8 1292 /* Codes_SRS_CONNECTION_01_158: [If connection_set_idle_timeout is called after the initial Open frame has been sent, it shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1293 if (connection->connection_state != CONNECTION_STATE_START)
AzureIoTClient 4:98007eb79fa8 1294 {
AzureIoTClient 4:98007eb79fa8 1295 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1296 }
AzureIoTClient 4:98007eb79fa8 1297 else
AzureIoTClient 4:98007eb79fa8 1298 {
AzureIoTClient 4:98007eb79fa8 1299 /* Codes_SRS_CONNECTION_01_159: [connection_set_idle_timeout shall set the idle_timeout associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1300 /* Codes_SRS_CONNECTION_01_166: [If connection_set_idle_timeout fails, the previous idle_timeout setting shall be retained.] */
AzureIoTClient 4:98007eb79fa8 1301 connection->idle_timeout = idle_timeout;
AzureIoTClient 4:98007eb79fa8 1302 connection->idle_timeout_specified = true;
Azure.IoT Build 0:6ae2f7bca550 1303
AzureIoTClient 4:98007eb79fa8 1304 /* Codes_SRS_CONNECTION_01_160: [On success connection_set_idle_timeout shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1305 result = 0;
AzureIoTClient 4:98007eb79fa8 1306 }
AzureIoTClient 4:98007eb79fa8 1307 }
Azure.IoT Build 0:6ae2f7bca550 1308
AzureIoTClient 4:98007eb79fa8 1309 return result;
Azure.IoT Build 0:6ae2f7bca550 1310 }
Azure.IoT Build 0:6ae2f7bca550 1311
Azure.IoT Build 0:6ae2f7bca550 1312 int connection_get_idle_timeout(CONNECTION_HANDLE connection, milliseconds* idle_timeout)
Azure.IoT Build 0:6ae2f7bca550 1313 {
AzureIoTClient 4:98007eb79fa8 1314 int result;
Azure.IoT Build 0:6ae2f7bca550 1315
AzureIoTClient 4:98007eb79fa8 1316 /* Codes_SRS_CONNECTION_01_190: [If connection or idle_timeout is NULL, connection_get_idle_timeout shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1317 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1318 (idle_timeout == NULL))
AzureIoTClient 4:98007eb79fa8 1319 {
AzureIoTClient 4:98007eb79fa8 1320 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1321 }
AzureIoTClient 4:98007eb79fa8 1322 else
AzureIoTClient 4:98007eb79fa8 1323 {
AzureIoTClient 4:98007eb79fa8 1324 /* Codes_SRS_CONNECTION_01_188: [connection_get_idle_timeout shall return in the idle_timeout argument the current idle_timeout setting.] */
AzureIoTClient 4:98007eb79fa8 1325 *idle_timeout = connection->idle_timeout;
Azure.IoT Build 0:6ae2f7bca550 1326
AzureIoTClient 4:98007eb79fa8 1327 /* Codes_SRS_CONNECTION_01_189: [On success, connection_get_idle_timeout shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1328 result = 0;
AzureIoTClient 4:98007eb79fa8 1329 }
Azure.IoT Build 0:6ae2f7bca550 1330
AzureIoTClient 4:98007eb79fa8 1331 return result;
Azure.IoT Build 0:6ae2f7bca550 1332 }
Azure.IoT Build 0:6ae2f7bca550 1333
Azure.IoT Build 0:6ae2f7bca550 1334 int connection_get_remote_max_frame_size(CONNECTION_HANDLE connection, uint32_t* remote_max_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1335 {
AzureIoTClient 4:98007eb79fa8 1336 int result;
Azure.IoT Build 0:6ae2f7bca550 1337
AzureIoTClient 4:98007eb79fa8 1338 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1339 (remote_max_frame_size == NULL))
AzureIoTClient 4:98007eb79fa8 1340 {
AzureIoTClient 4:98007eb79fa8 1341 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1342 }
AzureIoTClient 4:98007eb79fa8 1343 else
AzureIoTClient 4:98007eb79fa8 1344 {
AzureIoTClient 4:98007eb79fa8 1345 *remote_max_frame_size = connection->remote_max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1346
AzureIoTClient 4:98007eb79fa8 1347 result = 0;
AzureIoTClient 4:98007eb79fa8 1348 }
Azure.IoT Build 0:6ae2f7bca550 1349
AzureIoTClient 4:98007eb79fa8 1350 return result;
Azure.IoT Build 0:6ae2f7bca550 1351 }
Azure.IoT Build 0:6ae2f7bca550 1352
AzureIoTClient 1:eab586236bfe 1353 uint64_t connection_handle_deadlines(CONNECTION_HANDLE connection)
AzureIoTClient 1:eab586236bfe 1354 {
AzureIoTClient 1:eab586236bfe 1355 uint64_t local_deadline = (uint64_t )-1;
AzureIoTClient 1:eab586236bfe 1356 uint64_t remote_deadline = (uint64_t)-1;
AzureIoTClient 1:eab586236bfe 1357
AzureIoTClient 1:eab586236bfe 1358 if (connection != NULL)
AzureIoTClient 1:eab586236bfe 1359 {
Azure.IoT.Build 14:0b0e28c75ded 1360 tickcounter_ms_t current_ms;
AzureIoTClient 1:eab586236bfe 1361
AzureIoTClient 1:eab586236bfe 1362 if (tickcounter_get_current_ms(connection->tick_counter, &current_ms) != 0)
AzureIoTClient 1:eab586236bfe 1363 {
AzureIoTClient 1:eab586236bfe 1364 close_connection_with_error(connection, "amqp:internal-error", "Could not get tick count");
AzureIoTClient 1:eab586236bfe 1365 }
AzureIoTClient 1:eab586236bfe 1366 else
AzureIoTClient 1:eab586236bfe 1367 {
AzureIoTClient 1:eab586236bfe 1368 if (connection->idle_timeout_specified && (connection->idle_timeout != 0))
AzureIoTClient 1:eab586236bfe 1369 {
AzureIoTClient 1:eab586236bfe 1370 /* Calculate time until configured idle timeout expires */
AzureIoTClient 1:eab586236bfe 1371
AzureIoTClient 1:eab586236bfe 1372 uint64_t time_since_last_received = current_ms - connection->last_frame_received_time;
AzureIoTClient 1:eab586236bfe 1373 if (time_since_last_received < connection->idle_timeout)
AzureIoTClient 1:eab586236bfe 1374 {
AzureIoTClient 1:eab586236bfe 1375 local_deadline = connection->idle_timeout - time_since_last_received;
AzureIoTClient 1:eab586236bfe 1376 }
AzureIoTClient 1:eab586236bfe 1377 else
AzureIoTClient 1:eab586236bfe 1378 {
AzureIoTClient 1:eab586236bfe 1379 local_deadline = 0;
AzureIoTClient 1:eab586236bfe 1380
AzureIoTClient 1:eab586236bfe 1381 /* close connection */
AzureIoTClient 1:eab586236bfe 1382 close_connection_with_error(connection, "amqp:internal-error", "No frame received for the idle timeout");
AzureIoTClient 1:eab586236bfe 1383 }
AzureIoTClient 1:eab586236bfe 1384 }
AzureIoTClient 1:eab586236bfe 1385
AzureIoTClient 1:eab586236bfe 1386 if (local_deadline != 0 && connection->remote_idle_timeout != 0)
AzureIoTClient 1:eab586236bfe 1387 {
AzureIoTClient 1:eab586236bfe 1388 /* Calculate time until remote idle timeout expires */
AzureIoTClient 1:eab586236bfe 1389
AzureIoTClient 1:eab586236bfe 1390 uint64_t remote_idle_timeout = (connection->remote_idle_timeout / 2);
AzureIoTClient 1:eab586236bfe 1391 uint64_t time_since_last_sent = current_ms - connection->last_frame_sent_time;
AzureIoTClient 1:eab586236bfe 1392
AzureIoTClient 1:eab586236bfe 1393 if (time_since_last_sent < remote_idle_timeout)
AzureIoTClient 1:eab586236bfe 1394 {
AzureIoTClient 1:eab586236bfe 1395 remote_deadline = remote_idle_timeout - time_since_last_sent;
AzureIoTClient 1:eab586236bfe 1396 }
AzureIoTClient 1:eab586236bfe 1397 else
AzureIoTClient 1:eab586236bfe 1398 {
AzureIoTClient 1:eab586236bfe 1399 connection->on_send_complete = NULL;
AzureIoTClient 1:eab586236bfe 1400 if (amqp_frame_codec_encode_empty_frame(connection->amqp_frame_codec, 0, on_bytes_encoded, connection) != 0)
AzureIoTClient 1:eab586236bfe 1401 {
AzureIoTClient 1:eab586236bfe 1402 /* close connection */
AzureIoTClient 1:eab586236bfe 1403 close_connection_with_error(connection, "amqp:internal-error", "Cannot send empty frame");
AzureIoTClient 1:eab586236bfe 1404 }
AzureIoTClient 1:eab586236bfe 1405 else
AzureIoTClient 1:eab586236bfe 1406 {
AzureIoTClient 6:641a9672db08 1407 if (connection->is_trace_on == 1)
AzureIoTClient 6:641a9672db08 1408 {
AzureIoTClient 16:22a72cf8e416 1409 LOG(AZ_LOG_TRACE, LOG_LINE, "-> Empty frame");
AzureIoTClient 6:641a9672db08 1410 }
AzureIoTClient 1:eab586236bfe 1411
AzureIoTClient 1:eab586236bfe 1412 connection->last_frame_sent_time = current_ms;
AzureIoTClient 1:eab586236bfe 1413
AzureIoTClient 1:eab586236bfe 1414 remote_deadline = remote_idle_timeout;
AzureIoTClient 1:eab586236bfe 1415 }
AzureIoTClient 1:eab586236bfe 1416 }
AzureIoTClient 1:eab586236bfe 1417 }
AzureIoTClient 1:eab586236bfe 1418 }
AzureIoTClient 1:eab586236bfe 1419 }
AzureIoTClient 1:eab586236bfe 1420
AzureIoTClient 1:eab586236bfe 1421 /* Return the shorter of each deadline, or 0 to indicate connection closed */
AzureIoTClient 1:eab586236bfe 1422 return local_deadline > remote_deadline ? remote_deadline : local_deadline;
AzureIoTClient 1:eab586236bfe 1423 }
AzureIoTClient 1:eab586236bfe 1424
Azure.IoT Build 0:6ae2f7bca550 1425 void connection_dowork(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1426 {
AzureIoTClient 4:98007eb79fa8 1427 /* Codes_SRS_CONNECTION_01_078: [If handle is NULL, connection_dowork shall do nothing.] */
AzureIoTClient 1:eab586236bfe 1428 if (connection != NULL)
AzureIoTClient 1:eab586236bfe 1429 {
AzureIoTClient 1:eab586236bfe 1430 if (connection_handle_deadlines(connection) > 0)
AzureIoTClient 1:eab586236bfe 1431 {
AzureIoTClient 1:eab586236bfe 1432 /* Codes_SRS_CONNECTION_01_076: [connection_dowork shall schedule the underlying IO interface to do its work by calling xio_dowork.] */
AzureIoTClient 1:eab586236bfe 1433 xio_dowork(connection->io);
AzureIoTClient 1:eab586236bfe 1434 }
AzureIoTClient 1:eab586236bfe 1435 }
Azure.IoT Build 0:6ae2f7bca550 1436 }
Azure.IoT Build 0:6ae2f7bca550 1437
Azure.IoT Build 0:6ae2f7bca550 1438 ENDPOINT_HANDLE connection_create_endpoint(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1439 {
AzureIoTClient 4:98007eb79fa8 1440 ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 1441
AzureIoTClient 4:98007eb79fa8 1442 /* Codes_SRS_CONNECTION_01_113: [If connection, on_endpoint_frame_received or on_connection_state_changed is NULL, connection_create_endpoint shall fail and return NULL.] */
AzureIoTClient 4:98007eb79fa8 1443 /* Codes_SRS_CONNECTION_01_193: [The context argument shall be allowed to be NULL.] */
AzureIoTClient 4:98007eb79fa8 1444 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1445 {
AzureIoTClient 4:98007eb79fa8 1446 result = NULL;
AzureIoTClient 4:98007eb79fa8 1447 }
AzureIoTClient 4:98007eb79fa8 1448 else
AzureIoTClient 4:98007eb79fa8 1449 {
AzureIoTClient 4:98007eb79fa8 1450 /* Codes_SRS_CONNECTION_01_115: [If no more endpoints can be created due to all channels being used, connection_create_endpoint shall fail and return NULL.] */
AzureIoTClient 4:98007eb79fa8 1451 if (connection->endpoint_count >= connection->channel_max)
AzureIoTClient 4:98007eb79fa8 1452 {
AzureIoTClient 4:98007eb79fa8 1453 result = NULL;
AzureIoTClient 4:98007eb79fa8 1454 }
AzureIoTClient 4:98007eb79fa8 1455 else
AzureIoTClient 4:98007eb79fa8 1456 {
AzureIoTClient 4:98007eb79fa8 1457 uint32_t i = 0;
Azure.IoT Build 0:6ae2f7bca550 1458
AzureIoTClient 4:98007eb79fa8 1459 /* Codes_SRS_CONNECTION_01_128: [The lowest number outgoing channel shall be associated with the newly created endpoint.] */
AzureIoTClient 4:98007eb79fa8 1460 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 1461 {
AzureIoTClient 4:98007eb79fa8 1462 if (connection->endpoints[i]->outgoing_channel > i)
AzureIoTClient 4:98007eb79fa8 1463 {
AzureIoTClient 4:98007eb79fa8 1464 /* found a gap in the sorted endpoint array */
AzureIoTClient 4:98007eb79fa8 1465 break;
AzureIoTClient 4:98007eb79fa8 1466 }
AzureIoTClient 4:98007eb79fa8 1467 }
Azure.IoT Build 0:6ae2f7bca550 1468
AzureIoTClient 4:98007eb79fa8 1469 /* Codes_SRS_CONNECTION_01_127: [On success, connection_create_endpoint shall return a non-NULL handle to the newly created endpoint.] */
AzureIoTClient 4:98007eb79fa8 1470 result = amqpalloc_malloc(sizeof(ENDPOINT_INSTANCE));
AzureIoTClient 4:98007eb79fa8 1471 /* Codes_SRS_CONNECTION_01_196: [If memory cannot be allocated for the new endpoint, connection_create_endpoint shall fail and return NULL.] */
AzureIoTClient 4:98007eb79fa8 1472 if (result != NULL)
AzureIoTClient 4:98007eb79fa8 1473 {
AzureIoTClient 4:98007eb79fa8 1474 ENDPOINT_INSTANCE** new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1475
AzureIoTClient 4:98007eb79fa8 1476 result->on_endpoint_frame_received = NULL;
AzureIoTClient 4:98007eb79fa8 1477 result->on_connection_state_changed = NULL;
AzureIoTClient 4:98007eb79fa8 1478 result->callback_context = NULL;
AzureIoTClient 6:641a9672db08 1479 result->outgoing_channel = (uint16_t)i;
AzureIoTClient 4:98007eb79fa8 1480 result->connection = connection;
Azure.IoT Build 0:6ae2f7bca550 1481
AzureIoTClient 4:98007eb79fa8 1482 /* Codes_SRS_CONNECTION_01_197: [The newly created endpoint shall be added to the endpoints list, so that it can be tracked.] */
AzureIoTClient 4:98007eb79fa8 1483 new_endpoints = (ENDPOINT_INSTANCE**)amqpalloc_realloc(connection->endpoints, sizeof(ENDPOINT_INSTANCE*) * (connection->endpoint_count + 1));
AzureIoTClient 4:98007eb79fa8 1484 if (new_endpoints == NULL)
AzureIoTClient 4:98007eb79fa8 1485 {
AzureIoTClient 4:98007eb79fa8 1486 /* Tests_SRS_CONNECTION_01_198: [If adding the endpoint to the endpoints list tracked by the connection fails, connection_create_endpoint shall fail and return NULL.] */
AzureIoTClient 4:98007eb79fa8 1487 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 1488 result = NULL;
AzureIoTClient 4:98007eb79fa8 1489 }
AzureIoTClient 4:98007eb79fa8 1490 else
AzureIoTClient 4:98007eb79fa8 1491 {
AzureIoTClient 4:98007eb79fa8 1492 connection->endpoints = new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1493
AzureIoTClient 4:98007eb79fa8 1494 if (i < connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 1495 {
AzureIoTClient 4:98007eb79fa8 1496 (void)memmove(&connection->endpoints[i + 1], &connection->endpoints[i], sizeof(ENDPOINT_INSTANCE*) * (connection->endpoint_count - i));
AzureIoTClient 4:98007eb79fa8 1497 }
Azure.IoT Build 0:6ae2f7bca550 1498
AzureIoTClient 4:98007eb79fa8 1499 connection->endpoints[i] = result;
AzureIoTClient 4:98007eb79fa8 1500 connection->endpoint_count++;
Azure.IoT Build 0:6ae2f7bca550 1501
AzureIoTClient 4:98007eb79fa8 1502 /* Codes_SRS_CONNECTION_01_112: [connection_create_endpoint shall create a new endpoint that can be used by a session.] */
AzureIoTClient 4:98007eb79fa8 1503 }
AzureIoTClient 4:98007eb79fa8 1504 }
AzureIoTClient 4:98007eb79fa8 1505 }
AzureIoTClient 4:98007eb79fa8 1506 }
Azure.IoT Build 0:6ae2f7bca550 1507
AzureIoTClient 4:98007eb79fa8 1508 return result;
Azure.IoT Build 0:6ae2f7bca550 1509 }
Azure.IoT Build 0:6ae2f7bca550 1510
Azure.IoT Build 0:6ae2f7bca550 1511 int connection_start_endpoint(ENDPOINT_HANDLE endpoint, ON_ENDPOINT_FRAME_RECEIVED on_endpoint_frame_received, ON_CONNECTION_STATE_CHANGED on_connection_state_changed, void* context)
Azure.IoT Build 0:6ae2f7bca550 1512 {
AzureIoTClient 4:98007eb79fa8 1513 int result;
Azure.IoT Build 0:6ae2f7bca550 1514
AzureIoTClient 4:98007eb79fa8 1515 if ((endpoint == NULL) ||
AzureIoTClient 4:98007eb79fa8 1516 (on_endpoint_frame_received == NULL) ||
AzureIoTClient 4:98007eb79fa8 1517 (on_connection_state_changed == NULL))
AzureIoTClient 4:98007eb79fa8 1518 {
AzureIoTClient 4:98007eb79fa8 1519 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1520 }
AzureIoTClient 4:98007eb79fa8 1521 else
AzureIoTClient 4:98007eb79fa8 1522 {
AzureIoTClient 4:98007eb79fa8 1523 endpoint->on_endpoint_frame_received = on_endpoint_frame_received;
AzureIoTClient 4:98007eb79fa8 1524 endpoint->on_connection_state_changed = on_connection_state_changed;
AzureIoTClient 4:98007eb79fa8 1525 endpoint->callback_context = context;
Azure.IoT Build 0:6ae2f7bca550 1526
AzureIoTClient 4:98007eb79fa8 1527 result = 0;
AzureIoTClient 4:98007eb79fa8 1528 }
Azure.IoT Build 0:6ae2f7bca550 1529
AzureIoTClient 4:98007eb79fa8 1530 return result;
Azure.IoT Build 0:6ae2f7bca550 1531 }
Azure.IoT Build 0:6ae2f7bca550 1532
Azure.IoT Build 0:6ae2f7bca550 1533 int connection_endpoint_get_incoming_channel(ENDPOINT_HANDLE endpoint, uint16_t* incoming_channel)
Azure.IoT Build 0:6ae2f7bca550 1534 {
AzureIoTClient 4:98007eb79fa8 1535 int result;
Azure.IoT Build 0:6ae2f7bca550 1536
AzureIoTClient 4:98007eb79fa8 1537 if ((endpoint == NULL) ||
AzureIoTClient 4:98007eb79fa8 1538 (incoming_channel == NULL))
AzureIoTClient 4:98007eb79fa8 1539 {
AzureIoTClient 4:98007eb79fa8 1540 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1541 }
AzureIoTClient 4:98007eb79fa8 1542 else
AzureIoTClient 4:98007eb79fa8 1543 {
AzureIoTClient 4:98007eb79fa8 1544 *incoming_channel = endpoint->incoming_channel;
AzureIoTClient 4:98007eb79fa8 1545 result = 0;
AzureIoTClient 4:98007eb79fa8 1546 }
Azure.IoT Build 0:6ae2f7bca550 1547
AzureIoTClient 4:98007eb79fa8 1548 return result;
Azure.IoT Build 0:6ae2f7bca550 1549 }
Azure.IoT Build 0:6ae2f7bca550 1550
Azure.IoT Build 0:6ae2f7bca550 1551 /* Codes_SRS_CONNECTION_01_129: [connection_destroy_endpoint shall free all resources associated with an endpoint created by connection_create_endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 1552 void connection_destroy_endpoint(ENDPOINT_HANDLE endpoint)
Azure.IoT Build 0:6ae2f7bca550 1553 {
AzureIoTClient 4:98007eb79fa8 1554 if (endpoint != NULL)
AzureIoTClient 4:98007eb79fa8 1555 {
AzureIoTClient 4:98007eb79fa8 1556 CONNECTION_INSTANCE* connection = (CONNECTION_INSTANCE*)endpoint->connection;
AzureIoTClient 4:98007eb79fa8 1557 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1558
AzureIoTClient 4:98007eb79fa8 1559 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 1560 {
AzureIoTClient 4:98007eb79fa8 1561 if (connection->endpoints[i] == endpoint)
AzureIoTClient 4:98007eb79fa8 1562 {
AzureIoTClient 4:98007eb79fa8 1563 break;
AzureIoTClient 4:98007eb79fa8 1564 }
AzureIoTClient 4:98007eb79fa8 1565 }
Azure.IoT Build 0:6ae2f7bca550 1566
AzureIoTClient 4:98007eb79fa8 1567 /* Codes_SRS_CONNECTION_01_130: [The outgoing channel associated with the endpoint shall be released by removing the endpoint from the endpoint list.] */
AzureIoTClient 4:98007eb79fa8 1568 /* Codes_SRS_CONNECTION_01_131: [Any incoming channel number associated with the endpoint shall be released.] */
AzureIoTClient 11:b9de84324501 1569 if (i < connection->endpoint_count && i > 0)
AzureIoTClient 11:b9de84324501 1570 {
AzureIoTClient 11:b9de84324501 1571 (void)memmove(connection->endpoints + i, connection->endpoints + i + 1, sizeof(ENDPOINT_INSTANCE*) * (connection->endpoint_count - i - 1));
Azure.IoT Build 0:6ae2f7bca550 1572
AzureIoTClient 11:b9de84324501 1573 ENDPOINT_INSTANCE** new_endpoints = (ENDPOINT_INSTANCE**)amqpalloc_realloc(connection->endpoints, (connection->endpoint_count - 1) * sizeof(ENDPOINT_INSTANCE*));
AzureIoTClient 11:b9de84324501 1574 if (new_endpoints != NULL)
AzureIoTClient 11:b9de84324501 1575 {
AzureIoTClient 11:b9de84324501 1576 connection->endpoints = new_endpoints;
AzureIoTClient 11:b9de84324501 1577 }
Azure.IoT Build 0:6ae2f7bca550 1578
AzureIoTClient 11:b9de84324501 1579 connection->endpoint_count--;
AzureIoTClient 11:b9de84324501 1580 }
AzureIoTClient 11:b9de84324501 1581 else if (connection->endpoint_count == 1)
AzureIoTClient 11:b9de84324501 1582 {
AzureIoTClient 11:b9de84324501 1583 amqpalloc_free(connection->endpoints);
AzureIoTClient 11:b9de84324501 1584 connection->endpoints = NULL;
AzureIoTClient 11:b9de84324501 1585 connection->endpoint_count = 0;
AzureIoTClient 11:b9de84324501 1586 }
Azure.IoT Build 0:6ae2f7bca550 1587
AzureIoTClient 4:98007eb79fa8 1588 amqpalloc_free(endpoint);
AzureIoTClient 4:98007eb79fa8 1589 }
Azure.IoT Build 0:6ae2f7bca550 1590 }
Azure.IoT Build 0:6ae2f7bca550 1591
Azure.IoT Build 0:6ae2f7bca550 1592 /* Codes_SRS_CONNECTION_01_247: [connection_encode_frame shall send a frame for a certain endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 1593 int connection_encode_frame(ENDPOINT_HANDLE endpoint, const AMQP_VALUE performative, PAYLOAD* payloads, size_t payload_count, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 1594 {
AzureIoTClient 4:98007eb79fa8 1595 int result;
Azure.IoT Build 0:6ae2f7bca550 1596
AzureIoTClient 4:98007eb79fa8 1597 /* Codes_SRS_CONNECTION_01_249: [If endpoint or performative are NULL, connection_encode_frame shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1598 if ((endpoint == NULL) ||
AzureIoTClient 4:98007eb79fa8 1599 (performative == NULL))
AzureIoTClient 4:98007eb79fa8 1600 {
AzureIoTClient 4:98007eb79fa8 1601 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1602 }
AzureIoTClient 4:98007eb79fa8 1603 else
AzureIoTClient 4:98007eb79fa8 1604 {
AzureIoTClient 4:98007eb79fa8 1605 CONNECTION_INSTANCE* connection = (CONNECTION_INSTANCE*)endpoint->connection;
AzureIoTClient 4:98007eb79fa8 1606 AMQP_FRAME_CODEC_HANDLE amqp_frame_codec = connection->amqp_frame_codec;
Azure.IoT Build 0:6ae2f7bca550 1607
AzureIoTClient 4:98007eb79fa8 1608 /* Codes_SRS_CONNECTION_01_254: [If connection_encode_frame is called before the connection is in the OPENED state, connection_encode_frame shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1609 if (connection->connection_state != CONNECTION_STATE_OPENED)
AzureIoTClient 4:98007eb79fa8 1610 {
AzureIoTClient 4:98007eb79fa8 1611 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1612 }
AzureIoTClient 4:98007eb79fa8 1613 else
AzureIoTClient 4:98007eb79fa8 1614 {
AzureIoTClient 4:98007eb79fa8 1615 /* Codes_SRS_CONNECTION_01_255: [The payload size shall be computed based on all the payload chunks passed as argument in payloads.] */
AzureIoTClient 4:98007eb79fa8 1616 /* Codes_SRS_CONNECTION_01_250: [connection_encode_frame shall initiate the frame send by calling amqp_frame_codec_begin_encode_frame.] */
AzureIoTClient 4:98007eb79fa8 1617 /* Codes_SRS_CONNECTION_01_251: [The channel number passed to amqp_frame_codec_begin_encode_frame shall be the outgoing channel number associated with the endpoint by connection_create_endpoint.] */
AzureIoTClient 4:98007eb79fa8 1618 /* Codes_SRS_CONNECTION_01_252: [The performative passed to amqp_frame_codec_begin_encode_frame shall be the performative argument of connection_encode_frame.] */
AzureIoTClient 4:98007eb79fa8 1619 connection->on_send_complete = on_send_complete;
AzureIoTClient 4:98007eb79fa8 1620 connection->on_send_complete_callback_context = callback_context;
AzureIoTClient 4:98007eb79fa8 1621 if (amqp_frame_codec_encode_frame(amqp_frame_codec, endpoint->outgoing_channel, performative, payloads, payload_count, on_bytes_encoded, connection) != 0)
AzureIoTClient 4:98007eb79fa8 1622 {
AzureIoTClient 4:98007eb79fa8 1623 /* Codes_SRS_CONNECTION_01_253: [If amqp_frame_codec_begin_encode_frame or amqp_frame_codec_encode_payload_bytes fails, then connection_encode_frame shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1624 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1625 }
AzureIoTClient 4:98007eb79fa8 1626 else
AzureIoTClient 4:98007eb79fa8 1627 {
AzureIoTClient 4:98007eb79fa8 1628 if (connection->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 1629 {
Azure.IoT Build 5:ae49385aff34 1630 log_outgoing_frame(performative);
AzureIoTClient 4:98007eb79fa8 1631 }
Azure.IoT Build 5:ae49385aff34 1632
AzureIoTClient 4:98007eb79fa8 1633 if (tickcounter_get_current_ms(connection->tick_counter, &connection->last_frame_sent_time) != 0)
AzureIoTClient 4:98007eb79fa8 1634 {
AzureIoTClient 4:98007eb79fa8 1635 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1636 }
AzureIoTClient 4:98007eb79fa8 1637 else
AzureIoTClient 4:98007eb79fa8 1638 {
AzureIoTClient 4:98007eb79fa8 1639 /* Codes_SRS_CONNECTION_01_248: [On success it shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1640 result = 0;
AzureIoTClient 4:98007eb79fa8 1641 }
AzureIoTClient 4:98007eb79fa8 1642 }
AzureIoTClient 4:98007eb79fa8 1643 }
AzureIoTClient 4:98007eb79fa8 1644 }
Azure.IoT Build 0:6ae2f7bca550 1645
AzureIoTClient 4:98007eb79fa8 1646 return result;
Azure.IoT Build 0:6ae2f7bca550 1647 }
AzureIoTClient 4:98007eb79fa8 1648
AzureIoTClient 4:98007eb79fa8 1649 void connection_set_trace(CONNECTION_HANDLE connection, bool traceOn)
AzureIoTClient 4:98007eb79fa8 1650 {
AzureIoTClient 4:98007eb79fa8 1651 /* Codes_SRS_CONNECTION_07_002: [If connection is NULL then connection_set_trace shall do nothing.] */
AzureIoTClient 4:98007eb79fa8 1652 if (connection != NULL)
AzureIoTClient 4:98007eb79fa8 1653 {
AzureIoTClient 4:98007eb79fa8 1654 /* Codes_SRS_CONNECTION_07_001: [connection_set_trace shall set the ability to turn on and off trace logging.] */
AzureIoTClient 4:98007eb79fa8 1655 connection->is_trace_on = traceOn ? 1 : 0;
AzureIoTClient 4:98007eb79fa8 1656 }
AzureIoTClient 4:98007eb79fa8 1657 }