Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

connection.c@5:ae49385aff34, 2016-07-01 (annotated)

Committer:
Azure.IoT Build
Date:
Fri Jul 01 10:42:48 2016 -0700
Revision:
5:ae49385aff34
Parent:
4:98007eb79fa8
Child:
6:641a9672db08
1.0.10

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
Azure.IoT Build 0:6ae2f7bca550 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;
AzureIoTClient 4:98007eb79fa8 74 uint64_t last_frame_received_time;
AzureIoTClient 4:98007eb79fa8 75 uint64_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 4:98007eb79fa8 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 4:98007eb79fa8 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 {
Azure.IoT Build 5:ae49385aff34 126 LOG(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 4:98007eb79fa8 187 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 4:98007eb79fa8 188 if (descriptor != NULL)
AzureIoTClient 4:98007eb79fa8 189 {
Azure.IoT Build 5:ae49385aff34 190 LOG(LOG_TRACE, 0, "<- ");
Azure.IoT Build 5:ae49385aff34 191 LOG(LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 4:98007eb79fa8 192 char* performative_as_string = NULL;
Azure.IoT Build 5:ae49385aff34 193 LOG(LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 4:98007eb79fa8 194 if (performative_as_string != NULL)
AzureIoTClient 4:98007eb79fa8 195 {
AzureIoTClient 4:98007eb79fa8 196 amqpalloc_free(performative_as_string);
AzureIoTClient 4:98007eb79fa8 197 }
AzureIoTClient 4:98007eb79fa8 198 }
Azure.IoT Build 0:6ae2f7bca550 199 }
Azure.IoT Build 0:6ae2f7bca550 200
Azure.IoT Build 5:ae49385aff34 201 static void log_outgoing_frame(AMQP_VALUE performative)
Azure.IoT Build 0:6ae2f7bca550 202 {
AzureIoTClient 4:98007eb79fa8 203 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 4:98007eb79fa8 204 if (descriptor != NULL)
AzureIoTClient 4:98007eb79fa8 205 {
Azure.IoT Build 5:ae49385aff34 206 LOG(LOG_TRACE, 0, "-> ");
Azure.IoT Build 5:ae49385aff34 207 LOG(LOG_TRACE, 0, (char*)get_frame_type_as_string(descriptor));
AzureIoTClient 4:98007eb79fa8 208 char* performative_as_string = NULL;
Azure.IoT Build 5:ae49385aff34 209 LOG(LOG_TRACE, LOG_LINE, (performative_as_string = amqpvalue_to_string(performative)));
AzureIoTClient 4:98007eb79fa8 210 if (performative_as_string != NULL)
AzureIoTClient 4:98007eb79fa8 211 {
AzureIoTClient 4:98007eb79fa8 212 amqpalloc_free(performative_as_string);
AzureIoTClient 4:98007eb79fa8 213 }
AzureIoTClient 4:98007eb79fa8 214 }
Azure.IoT Build 0:6ae2f7bca550 215 }
Azure.IoT Build 0:6ae2f7bca550 216
Azure.IoT Build 0:6ae2f7bca550 217 static void on_bytes_encoded(void* context, const unsigned char* bytes, size_t length, bool encode_complete)
Azure.IoT Build 0:6ae2f7bca550 218 {
AzureIoTClient 4:98007eb79fa8 219 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
AzureIoTClient 4:98007eb79fa8 220 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 221 {
AzureIoTClient 4:98007eb79fa8 222 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 223 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 224 }
Azure.IoT Build 0:6ae2f7bca550 225 }
Azure.IoT Build 0:6ae2f7bca550 226
Azure.IoT Build 0:6ae2f7bca550 227 static int send_open_frame(CONNECTION_INSTANCE* connection_instance)
Azure.IoT Build 0:6ae2f7bca550 228 {
AzureIoTClient 4:98007eb79fa8 229 int result;
Azure.IoT Build 0:6ae2f7bca550 230
AzureIoTClient 4:98007eb79fa8 231 /* 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 232 if (frame_codec_set_max_frame_size(connection_instance->frame_codec, connection_instance->max_frame_size) != 0)
AzureIoTClient 4:98007eb79fa8 233 {
AzureIoTClient 4:98007eb79fa8 234 /* 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 235 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 236 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 237 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 238 }
AzureIoTClient 4:98007eb79fa8 239 else
AzureIoTClient 4:98007eb79fa8 240 {
AzureIoTClient 4:98007eb79fa8 241 /* Codes_SRS_CONNECTION_01_134: [The container id field shall be filled with the container id specified in connection_create.] */
AzureIoTClient 4:98007eb79fa8 242 OPEN_HANDLE open_performative = open_create(connection_instance->container_id);
AzureIoTClient 4:98007eb79fa8 243 if (open_performative == NULL)
AzureIoTClient 4:98007eb79fa8 244 {
AzureIoTClient 4:98007eb79fa8 245 /* 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 246 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 247 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 248 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 249 }
AzureIoTClient 4:98007eb79fa8 250 else
AzureIoTClient 4:98007eb79fa8 251 {
AzureIoTClient 4:98007eb79fa8 252 /* 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 253 if (open_set_max_frame_size(open_performative, connection_instance->max_frame_size) != 0)
AzureIoTClient 4:98007eb79fa8 254 {
AzureIoTClient 4:98007eb79fa8 255 /* 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 256 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 257 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 258 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 259 }
AzureIoTClient 4:98007eb79fa8 260 /* 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 261 else if (open_set_channel_max(open_performative, connection_instance->channel_max) != 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_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 269 else if ((connection_instance->idle_timeout_specified) &&
AzureIoTClient 4:98007eb79fa8 270 /* 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 271 (open_set_idle_time_out(open_performative, connection_instance->idle_timeout) != 0))
AzureIoTClient 4:98007eb79fa8 272 {
AzureIoTClient 4:98007eb79fa8 273 /* 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 274 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 275 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 276 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 277 }
AzureIoTClient 4:98007eb79fa8 278 /* 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 279 else if ((connection_instance->host_name != NULL) &&
AzureIoTClient 4:98007eb79fa8 280 /* 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 281 (open_set_hostname(open_performative, connection_instance->host_name) != 0))
AzureIoTClient 4:98007eb79fa8 282 {
AzureIoTClient 4:98007eb79fa8 283 /* 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 284 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 285 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 286 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 287 }
AzureIoTClient 4:98007eb79fa8 288 else
AzureIoTClient 4:98007eb79fa8 289 {
AzureIoTClient 4:98007eb79fa8 290 AMQP_VALUE open_performative_value = amqpvalue_create_open(open_performative);
AzureIoTClient 4:98007eb79fa8 291 if (open_performative_value == NULL)
AzureIoTClient 4:98007eb79fa8 292 {
AzureIoTClient 4:98007eb79fa8 293 /* 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 294 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 295 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 296 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 297 }
AzureIoTClient 4:98007eb79fa8 298 else
AzureIoTClient 4:98007eb79fa8 299 {
AzureIoTClient 4:98007eb79fa8 300 /* Codes_SRS_CONNECTION_01_002: [Each AMQP connection begins with an exchange of capabilities and limitations, including the maximum frame size.] */
AzureIoTClient 4:98007eb79fa8 301 /* 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 302 /* Codes_SRS_CONNECTION_01_005: [The open frame describes the capabilities and limits of that peer.] */
AzureIoTClient 4:98007eb79fa8 303 /* 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 304 /* Codes_SRS_CONNECTION_01_006: [The open frame can only be sent on channel 0.] */
AzureIoTClient 4:98007eb79fa8 305 connection_instance->on_send_complete = NULL;
AzureIoTClient 4:98007eb79fa8 306 connection_instance->on_send_complete_callback_context = NULL;
AzureIoTClient 4:98007eb79fa8 307 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 308 {
AzureIoTClient 4:98007eb79fa8 309 /* Codes_SRS_CONNECTION_01_206: [If sending the frame fails, the connection shall be closed and state set to END.] */
AzureIoTClient 4:98007eb79fa8 310 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 311 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 312 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 313 }
AzureIoTClient 4:98007eb79fa8 314 else
AzureIoTClient 4:98007eb79fa8 315 {
AzureIoTClient 4:98007eb79fa8 316 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 317 {
Azure.IoT Build 5:ae49385aff34 318 log_outgoing_frame(open_performative_value);
AzureIoTClient 4:98007eb79fa8 319 }
Azure.IoT Build 0:6ae2f7bca550 320
AzureIoTClient 4:98007eb79fa8 321 /* 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 322 connection_set_state(connection_instance, CONNECTION_STATE_OPEN_SENT);
AzureIoTClient 4:98007eb79fa8 323 result = 0;
AzureIoTClient 4:98007eb79fa8 324 }
Azure.IoT Build 0:6ae2f7bca550 325
AzureIoTClient 4:98007eb79fa8 326 amqpvalue_destroy(open_performative_value);
AzureIoTClient 4:98007eb79fa8 327 }
AzureIoTClient 4:98007eb79fa8 328 }
Azure.IoT Build 0:6ae2f7bca550 329
AzureIoTClient 4:98007eb79fa8 330 open_destroy(open_performative);
AzureIoTClient 4:98007eb79fa8 331 }
AzureIoTClient 4:98007eb79fa8 332 }
Azure.IoT Build 0:6ae2f7bca550 333
AzureIoTClient 4:98007eb79fa8 334 return result;
Azure.IoT Build 0:6ae2f7bca550 335 }
Azure.IoT Build 0:6ae2f7bca550 336
Azure.IoT Build 0:6ae2f7bca550 337 static int send_close_frame(CONNECTION_INSTANCE* connection_instance, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 338 {
AzureIoTClient 4:98007eb79fa8 339 int result;
AzureIoTClient 4:98007eb79fa8 340 CLOSE_HANDLE close_performative;
Azure.IoT Build 0:6ae2f7bca550 341
AzureIoTClient 4:98007eb79fa8 342 /* Codes_SRS_CONNECTION_01_217: [The CLOSE frame shall be constructed by using close_create.] */
AzureIoTClient 4:98007eb79fa8 343 close_performative = close_create();
AzureIoTClient 4:98007eb79fa8 344 if (close_performative == NULL)
AzureIoTClient 4:98007eb79fa8 345 {
AzureIoTClient 4:98007eb79fa8 346 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 347 }
AzureIoTClient 4:98007eb79fa8 348 else
AzureIoTClient 4:98007eb79fa8 349 {
AzureIoTClient 4:98007eb79fa8 350 if ((error_handle != NULL) &&
AzureIoTClient 4:98007eb79fa8 351 /* Codes_SRS_CONNECTION_01_238: [If set, this field indicates that the connection is being closed due to an error condition.] */
AzureIoTClient 4:98007eb79fa8 352 (close_set_error(close_performative, error_handle) != 0))
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 AMQP_VALUE close_performative_value = amqpvalue_create_close(close_performative);
AzureIoTClient 4:98007eb79fa8 359 if (close_performative_value == NULL)
AzureIoTClient 4:98007eb79fa8 360 {
AzureIoTClient 4:98007eb79fa8 361 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 362 }
AzureIoTClient 4:98007eb79fa8 363 else
AzureIoTClient 4:98007eb79fa8 364 {
AzureIoTClient 4:98007eb79fa8 365 /* 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 366 /* Codes_SRS_CONNECTION_01_013: [However, implementations SHOULD send it on channel 0] */
AzureIoTClient 4:98007eb79fa8 367 connection_instance->on_send_complete = NULL;
AzureIoTClient 4:98007eb79fa8 368 connection_instance->on_send_complete_callback_context = NULL;
AzureIoTClient 4:98007eb79fa8 369 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 370 {
AzureIoTClient 4:98007eb79fa8 371 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 372 }
AzureIoTClient 4:98007eb79fa8 373 else
AzureIoTClient 4:98007eb79fa8 374 {
AzureIoTClient 4:98007eb79fa8 375 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 376 {
Azure.IoT Build 5:ae49385aff34 377 log_outgoing_frame(close_performative_value);
AzureIoTClient 4:98007eb79fa8 378 }
Azure.IoT Build 5:ae49385aff34 379
AzureIoTClient 4:98007eb79fa8 380 result = 0;
AzureIoTClient 4:98007eb79fa8 381 }
Azure.IoT Build 0:6ae2f7bca550 382
AzureIoTClient 4:98007eb79fa8 383 amqpvalue_destroy(close_performative_value);
AzureIoTClient 4:98007eb79fa8 384 }
AzureIoTClient 4:98007eb79fa8 385 }
Azure.IoT Build 0:6ae2f7bca550 386
AzureIoTClient 4:98007eb79fa8 387 close_destroy(close_performative);
AzureIoTClient 4:98007eb79fa8 388 }
Azure.IoT Build 0:6ae2f7bca550 389
AzureIoTClient 4:98007eb79fa8 390 return result;
Azure.IoT Build 0:6ae2f7bca550 391 }
Azure.IoT Build 0:6ae2f7bca550 392
Azure.IoT Build 0:6ae2f7bca550 393 static void close_connection_with_error(CONNECTION_INSTANCE* connection_instance, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 394 {
AzureIoTClient 4:98007eb79fa8 395 ERROR_HANDLE error_handle = error_create(condition_value);
AzureIoTClient 4:98007eb79fa8 396 if (error_handle == NULL)
AzureIoTClient 4:98007eb79fa8 397 {
AzureIoTClient 4:98007eb79fa8 398 /* 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 399 (void)xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 400 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 401 }
AzureIoTClient 4:98007eb79fa8 402 else
AzureIoTClient 4:98007eb79fa8 403 {
AzureIoTClient 4:98007eb79fa8 404 /* Codes_SRS_CONNECTION_01_219: [The error description shall be set to an implementation defined string.] */
AzureIoTClient 4:98007eb79fa8 405 if ((error_set_description(error_handle, description) != 0) ||
AzureIoTClient 4:98007eb79fa8 406 (send_close_frame(connection_instance, error_handle) != 0))
AzureIoTClient 4:98007eb79fa8 407 {
AzureIoTClient 4:98007eb79fa8 408 /* 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 409 (void)xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 410 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 411 }
AzureIoTClient 4:98007eb79fa8 412 else
AzureIoTClient 4:98007eb79fa8 413 {
AzureIoTClient 4:98007eb79fa8 414 /* 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 415 /* 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 4:98007eb79fa8 416 /* 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 417 connection_set_state(connection_instance, CONNECTION_STATE_DISCARDING);
AzureIoTClient 4:98007eb79fa8 418 }
Azure.IoT Build 0:6ae2f7bca550 419
AzureIoTClient 4:98007eb79fa8 420 error_destroy(error_handle);
AzureIoTClient 4:98007eb79fa8 421 }
Azure.IoT Build 0:6ae2f7bca550 422 }
Azure.IoT Build 0:6ae2f7bca550 423
Azure.IoT Build 0:6ae2f7bca550 424 static ENDPOINT_INSTANCE* find_session_endpoint_by_outgoing_channel(CONNECTION_INSTANCE* connection, uint16_t outgoing_channel)
Azure.IoT Build 0:6ae2f7bca550 425 {
AzureIoTClient 4:98007eb79fa8 426 uint32_t i;
AzureIoTClient 4:98007eb79fa8 427 ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 428
AzureIoTClient 4:98007eb79fa8 429 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 430 {
AzureIoTClient 4:98007eb79fa8 431 if (connection->endpoints[i]->outgoing_channel == outgoing_channel)
AzureIoTClient 4:98007eb79fa8 432 {
AzureIoTClient 4:98007eb79fa8 433 break;
AzureIoTClient 4:98007eb79fa8 434 }
AzureIoTClient 4:98007eb79fa8 435 }
Azure.IoT Build 0:6ae2f7bca550 436
AzureIoTClient 4:98007eb79fa8 437 if (i == connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 438 {
AzureIoTClient 4:98007eb79fa8 439 result = NULL;
AzureIoTClient 4:98007eb79fa8 440 }
AzureIoTClient 4:98007eb79fa8 441 else
AzureIoTClient 4:98007eb79fa8 442 {
AzureIoTClient 4:98007eb79fa8 443 result = connection->endpoints[i];
AzureIoTClient 4:98007eb79fa8 444 }
Azure.IoT Build 0:6ae2f7bca550 445
AzureIoTClient 4:98007eb79fa8 446 return result;
Azure.IoT Build 0:6ae2f7bca550 447 }
Azure.IoT Build 0:6ae2f7bca550 448
Azure.IoT Build 0:6ae2f7bca550 449 static ENDPOINT_INSTANCE* find_session_endpoint_by_incoming_channel(CONNECTION_INSTANCE* connection, uint16_t incoming_channel)
Azure.IoT Build 0:6ae2f7bca550 450 {
AzureIoTClient 4:98007eb79fa8 451 uint32_t i;
AzureIoTClient 4:98007eb79fa8 452 ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 453
AzureIoTClient 4:98007eb79fa8 454 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 455 {
AzureIoTClient 4:98007eb79fa8 456 if (connection->endpoints[i]->incoming_channel == incoming_channel)
AzureIoTClient 4:98007eb79fa8 457 {
AzureIoTClient 4:98007eb79fa8 458 break;
AzureIoTClient 4:98007eb79fa8 459 }
AzureIoTClient 4:98007eb79fa8 460 }
Azure.IoT Build 0:6ae2f7bca550 461
AzureIoTClient 4:98007eb79fa8 462 if (i == connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 463 {
AzureIoTClient 4:98007eb79fa8 464 result = NULL;
AzureIoTClient 4:98007eb79fa8 465 }
AzureIoTClient 4:98007eb79fa8 466 else
AzureIoTClient 4:98007eb79fa8 467 {
AzureIoTClient 4:98007eb79fa8 468 result = connection->endpoints[i];
AzureIoTClient 4:98007eb79fa8 469 }
Azure.IoT Build 0:6ae2f7bca550 470
AzureIoTClient 4:98007eb79fa8 471 return result;
Azure.IoT Build 0:6ae2f7bca550 472 }
Azure.IoT Build 0:6ae2f7bca550 473
Azure.IoT Build 0:6ae2f7bca550 474 static int connection_byte_received(CONNECTION_INSTANCE* connection_instance, unsigned char b)
Azure.IoT Build 0:6ae2f7bca550 475 {
AzureIoTClient 4:98007eb79fa8 476 int result;
Azure.IoT Build 0:6ae2f7bca550 477
AzureIoTClient 4:98007eb79fa8 478 switch (connection_instance->connection_state)
AzureIoTClient 4:98007eb79fa8 479 {
AzureIoTClient 4:98007eb79fa8 480 default:
AzureIoTClient 4:98007eb79fa8 481 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 482 break;
Azure.IoT Build 0:6ae2f7bca550 483
AzureIoTClient 4:98007eb79fa8 484 /* 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 485 case CONNECTION_STATE_START:
Azure.IoT Build 0:6ae2f7bca550 486
AzureIoTClient 4:98007eb79fa8 487 /* 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 488 case CONNECTION_STATE_HDR_SENT:
AzureIoTClient 4:98007eb79fa8 489 if (b != amqp_header[connection_instance->header_bytes_received])
AzureIoTClient 4:98007eb79fa8 490 {
AzureIoTClient 4:98007eb79fa8 491 /* 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 492 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 493 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 494 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 495 }
AzureIoTClient 4:98007eb79fa8 496 else
AzureIoTClient 4:98007eb79fa8 497 {
AzureIoTClient 4:98007eb79fa8 498 connection_instance->header_bytes_received++;
AzureIoTClient 4:98007eb79fa8 499 if (connection_instance->header_bytes_received == sizeof(amqp_header))
AzureIoTClient 4:98007eb79fa8 500 {
AzureIoTClient 4:98007eb79fa8 501 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 502 {
Azure.IoT Build 5:ae49385aff34 503 LOG(LOG_TRACE, LOG_LINE, "<- Header (AMQP 0.1.0.0)");
AzureIoTClient 4:98007eb79fa8 504 }
Azure.IoT Build 0:6ae2f7bca550 505
AzureIoTClient 4:98007eb79fa8 506 connection_set_state(connection_instance, CONNECTION_STATE_HDR_EXCH);
Azure.IoT Build 0:6ae2f7bca550 507
AzureIoTClient 4:98007eb79fa8 508 if (send_open_frame(connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 509 {
AzureIoTClient 4:98007eb79fa8 510 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 511 }
AzureIoTClient 4:98007eb79fa8 512 }
Azure.IoT Build 0:6ae2f7bca550 513
AzureIoTClient 4:98007eb79fa8 514 result = 0;
AzureIoTClient 4:98007eb79fa8 515 }
AzureIoTClient 4:98007eb79fa8 516 break;
Azure.IoT Build 0:6ae2f7bca550 517
AzureIoTClient 4:98007eb79fa8 518 /* 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 519 case CONNECTION_STATE_HDR_RCVD:
Azure.IoT Build 0:6ae2f7bca550 520
AzureIoTClient 4:98007eb79fa8 521 /* 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 522 /* 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 523 case CONNECTION_STATE_HDR_EXCH:
Azure.IoT Build 0:6ae2f7bca550 524
AzureIoTClient 4:98007eb79fa8 525 /* 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 526 case CONNECTION_STATE_OPEN_RCVD:
Azure.IoT Build 0:6ae2f7bca550 527
AzureIoTClient 4:98007eb79fa8 528 /* 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 529 case CONNECTION_STATE_OPEN_SENT:
Azure.IoT Build 0:6ae2f7bca550 530
AzureIoTClient 4:98007eb79fa8 531 /* 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 532 case CONNECTION_STATE_OPENED:
AzureIoTClient 4:98007eb79fa8 533 /* 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 534 if (frame_codec_receive_bytes(connection_instance->frame_codec, &b, 1) != 0)
AzureIoTClient 4:98007eb79fa8 535 {
AzureIoTClient 4:98007eb79fa8 536 /* 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 537 /* Codes_SRS_CONNECTION_01_219: [The error description shall be set to an implementation defined string.] */
AzureIoTClient 4:98007eb79fa8 538 close_connection_with_error(connection_instance, "amqp:internal-error", "connection_byte_received::frame_codec_receive_bytes failed");
AzureIoTClient 4:98007eb79fa8 539 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 540 }
AzureIoTClient 4:98007eb79fa8 541 else
AzureIoTClient 4:98007eb79fa8 542 {
AzureIoTClient 4:98007eb79fa8 543 result = 0;
AzureIoTClient 4:98007eb79fa8 544 }
Azure.IoT Build 0:6ae2f7bca550 545
AzureIoTClient 4:98007eb79fa8 546 break;
AzureIoTClient 4:98007eb79fa8 547 }
AzureIoTClient 4:98007eb79fa8 548
AzureIoTClient 4:98007eb79fa8 549 return result;
Azure.IoT Build 0:6ae2f7bca550 550 }
Azure.IoT Build 0:6ae2f7bca550 551
Azure.IoT Build 0:6ae2f7bca550 552 static void connection_on_bytes_received(void* context, const unsigned char* buffer, size_t size)
Azure.IoT Build 0:6ae2f7bca550 553 {
AzureIoTClient 4:98007eb79fa8 554 size_t i;
Azure.IoT Build 0:6ae2f7bca550 555
AzureIoTClient 4:98007eb79fa8 556 for (i = 0; i < size; i++)
AzureIoTClient 4:98007eb79fa8 557 {
AzureIoTClient 4:98007eb79fa8 558 if (connection_byte_received((CONNECTION_INSTANCE*)context, buffer[i]) != 0)
AzureIoTClient 4:98007eb79fa8 559 {
AzureIoTClient 4:98007eb79fa8 560 break;
AzureIoTClient 4:98007eb79fa8 561 }
AzureIoTClient 4:98007eb79fa8 562 }
Azure.IoT Build 0:6ae2f7bca550 563 }
Azure.IoT Build 0:6ae2f7bca550 564
Azure.IoT Build 0:6ae2f7bca550 565 static void connection_on_io_open_complete(void* context, IO_OPEN_RESULT io_open_result)
Azure.IoT Build 0:6ae2f7bca550 566 {
AzureIoTClient 4:98007eb79fa8 567 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 568
AzureIoTClient 4:98007eb79fa8 569 if (io_open_result == IO_OPEN_OK)
AzureIoTClient 4:98007eb79fa8 570 {
AzureIoTClient 4:98007eb79fa8 571 /* 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 572 switch (connection_instance->connection_state)
AzureIoTClient 4:98007eb79fa8 573 {
AzureIoTClient 4:98007eb79fa8 574 default:
AzureIoTClient 4:98007eb79fa8 575 break;
Azure.IoT Build 0:6ae2f7bca550 576
AzureIoTClient 4:98007eb79fa8 577 case CONNECTION_STATE_START:
AzureIoTClient 4:98007eb79fa8 578 /* 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 579 /* 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 580 (void)send_header(connection_instance);
AzureIoTClient 4:98007eb79fa8 581 break;
Azure.IoT Build 0:6ae2f7bca550 582
AzureIoTClient 4:98007eb79fa8 583 case CONNECTION_STATE_HDR_SENT:
AzureIoTClient 4:98007eb79fa8 584 case CONNECTION_STATE_OPEN_SENT:
AzureIoTClient 4:98007eb79fa8 585 case CONNECTION_STATE_OPENED:
AzureIoTClient 4:98007eb79fa8 586 break;
Azure.IoT Build 0:6ae2f7bca550 587
AzureIoTClient 4:98007eb79fa8 588 case CONNECTION_STATE_HDR_EXCH:
AzureIoTClient 4:98007eb79fa8 589 /* 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 590 /* 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 591 /* Codes_SRS_CONNECTION_01_005: [The open frame describes the capabilities and limits of that peer.] */
AzureIoTClient 4:98007eb79fa8 592 if (send_open_frame(connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 593 {
AzureIoTClient 4:98007eb79fa8 594 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 595 }
AzureIoTClient 4:98007eb79fa8 596 break;
Azure.IoT Build 0:6ae2f7bca550 597
AzureIoTClient 4:98007eb79fa8 598 case CONNECTION_STATE_OPEN_RCVD:
AzureIoTClient 4:98007eb79fa8 599 break;
AzureIoTClient 4:98007eb79fa8 600 }
AzureIoTClient 4:98007eb79fa8 601 }
AzureIoTClient 4:98007eb79fa8 602 else
AzureIoTClient 4:98007eb79fa8 603 {
AzureIoTClient 4:98007eb79fa8 604 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 605 }
Azure.IoT Build 0:6ae2f7bca550 606 }
Azure.IoT Build 0:6ae2f7bca550 607
Azure.IoT Build 0:6ae2f7bca550 608 static void connection_on_io_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 609 {
AzureIoTClient 4:98007eb79fa8 610 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 611
Azure.IoT Build 0:6ae2f7bca550 612 /* 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 613 if (connection_instance->on_io_error)
Azure.IoT Build 0:6ae2f7bca550 614 {
Azure.IoT Build 0:6ae2f7bca550 615 connection_instance->on_io_error(connection_instance->on_io_error_callback_context);
Azure.IoT Build 0:6ae2f7bca550 616 }
Azure.IoT Build 0:6ae2f7bca550 617
AzureIoTClient 4:98007eb79fa8 618 if (connection_instance->connection_state != CONNECTION_STATE_END)
AzureIoTClient 4:98007eb79fa8 619 {
AzureIoTClient 4:98007eb79fa8 620 /* 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 621 connection_set_state(connection_instance, CONNECTION_STATE_ERROR);
AzureIoTClient 4:98007eb79fa8 622 (void)xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 623 }
Azure.IoT Build 0:6ae2f7bca550 624 }
Azure.IoT Build 0:6ae2f7bca550 625
Azure.IoT Build 0:6ae2f7bca550 626 static void on_empty_amqp_frame_received(void* context, uint16_t channel)
Azure.IoT Build 0:6ae2f7bca550 627 {
AzureIoTClient 4:98007eb79fa8 628 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 5:ae49385aff34 629 LOG(LOG_TRACE, LOG_LINE, "<- Empty frame");
AzureIoTClient 4:98007eb79fa8 630 if (tickcounter_get_current_ms(connection_instance->tick_counter, &connection_instance->last_frame_received_time) != 0)
AzureIoTClient 4:98007eb79fa8 631 {
AzureIoTClient 4:98007eb79fa8 632 /* error */
AzureIoTClient 4:98007eb79fa8 633 }
Azure.IoT Build 0:6ae2f7bca550 634 }
Azure.IoT Build 0:6ae2f7bca550 635
Azure.IoT Build 0:6ae2f7bca550 636 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 637 {
AzureIoTClient 4:98007eb79fa8 638 CONNECTION_INSTANCE* connection_instance = (CONNECTION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 639
AzureIoTClient 4:98007eb79fa8 640 if (tickcounter_get_current_ms(connection_instance->tick_counter, &connection_instance->last_frame_received_time) != 0)
AzureIoTClient 4:98007eb79fa8 641 {
AzureIoTClient 4:98007eb79fa8 642 close_connection_with_error(connection_instance, "amqp:internal-error", "cannot get current tick count");
AzureIoTClient 4:98007eb79fa8 643 }
AzureIoTClient 4:98007eb79fa8 644 else
AzureIoTClient 4:98007eb79fa8 645 {
AzureIoTClient 4:98007eb79fa8 646 if (connection_instance->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 647 {
AzureIoTClient 4:98007eb79fa8 648 switch (connection_instance->connection_state)
AzureIoTClient 4:98007eb79fa8 649 {
AzureIoTClient 4:98007eb79fa8 650 default:
AzureIoTClient 4:98007eb79fa8 651 if (performative == NULL)
AzureIoTClient 4:98007eb79fa8 652 {
AzureIoTClient 4:98007eb79fa8 653 /* 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 654 close_connection_with_error(connection_instance, "amqp:internal-error", "connection_endpoint_frame_received::NULL performative");
AzureIoTClient 4:98007eb79fa8 655 }
AzureIoTClient 4:98007eb79fa8 656 else
AzureIoTClient 4:98007eb79fa8 657 {
AzureIoTClient 4:98007eb79fa8 658 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
AzureIoTClient 4:98007eb79fa8 659 uint64_t performative_ulong;
Azure.IoT Build 0:6ae2f7bca550 660
AzureIoTClient 4:98007eb79fa8 661 if (connection_instance->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 662 {
Azure.IoT Build 5:ae49385aff34 663 log_incoming_frame(performative);
AzureIoTClient 4:98007eb79fa8 664 }
Azure.IoT Build 0:6ae2f7bca550 665
AzureIoTClient 4:98007eb79fa8 666 if (is_open_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 667 {
AzureIoTClient 4:98007eb79fa8 668 if (channel != 0)
AzureIoTClient 4:98007eb79fa8 669 {
AzureIoTClient 4:98007eb79fa8 670 /* Codes_SRS_CONNECTION_01_006: [The open frame can only be sent on channel 0.] */
AzureIoTClient 4:98007eb79fa8 671 /* 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 672 close_connection_with_error(connection_instance, "amqp:not-allowed", "OPEN frame received on a channel that is not 0");
AzureIoTClient 4:98007eb79fa8 673 }
Azure.IoT Build 0:6ae2f7bca550 674
AzureIoTClient 4:98007eb79fa8 675 if (connection_instance->connection_state == CONNECTION_STATE_OPENED)
AzureIoTClient 4:98007eb79fa8 676 {
AzureIoTClient 4:98007eb79fa8 677 /* 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 678 close_connection_with_error(connection_instance, "amqp:illegal-state", "OPEN frame received in the OPENED state");
AzureIoTClient 4:98007eb79fa8 679 }
AzureIoTClient 4:98007eb79fa8 680 else if ((connection_instance->connection_state == CONNECTION_STATE_OPEN_SENT) ||
AzureIoTClient 4:98007eb79fa8 681 (connection_instance->connection_state == CONNECTION_STATE_HDR_EXCH))
AzureIoTClient 4:98007eb79fa8 682 {
AzureIoTClient 4:98007eb79fa8 683 OPEN_HANDLE open_handle;
AzureIoTClient 4:98007eb79fa8 684 if (amqpvalue_get_open(performative, &open_handle) != 0)
AzureIoTClient 4:98007eb79fa8 685 {
AzureIoTClient 4:98007eb79fa8 686 /* 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 687 /* 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 688 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing OPEN frame");
AzureIoTClient 4:98007eb79fa8 689 }
AzureIoTClient 4:98007eb79fa8 690 else
AzureIoTClient 4:98007eb79fa8 691 {
AzureIoTClient 4:98007eb79fa8 692 (void)open_get_idle_time_out(open_handle, &connection_instance->remote_idle_timeout);
AzureIoTClient 4:98007eb79fa8 693 if ((open_get_max_frame_size(open_handle, &connection_instance->remote_max_frame_size) != 0) ||
AzureIoTClient 4:98007eb79fa8 694 /* Codes_SRS_CONNECTION_01_167: [Both peers MUST accept frames of up to 512 (MIN-MAX-FRAME-SIZE) octets.] */
AzureIoTClient 4:98007eb79fa8 695 (connection_instance->remote_max_frame_size < 512))
AzureIoTClient 4:98007eb79fa8 696 {
AzureIoTClient 4:98007eb79fa8 697 /* 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 698 /* 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 699 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing OPEN frame");
AzureIoTClient 4:98007eb79fa8 700 }
AzureIoTClient 4:98007eb79fa8 701 else
AzureIoTClient 4:98007eb79fa8 702 {
AzureIoTClient 4:98007eb79fa8 703 if (connection_instance->connection_state == CONNECTION_STATE_OPEN_SENT)
AzureIoTClient 4:98007eb79fa8 704 {
AzureIoTClient 4:98007eb79fa8 705 connection_set_state(connection_instance, CONNECTION_STATE_OPENED);
AzureIoTClient 4:98007eb79fa8 706 }
AzureIoTClient 4:98007eb79fa8 707 else
AzureIoTClient 4:98007eb79fa8 708 {
AzureIoTClient 4:98007eb79fa8 709 if (send_open_frame(connection_instance) != 0)
AzureIoTClient 4:98007eb79fa8 710 {
AzureIoTClient 4:98007eb79fa8 711 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 712 }
AzureIoTClient 4:98007eb79fa8 713 else
AzureIoTClient 4:98007eb79fa8 714 {
AzureIoTClient 4:98007eb79fa8 715 connection_set_state(connection_instance, CONNECTION_STATE_OPENED);
AzureIoTClient 4:98007eb79fa8 716 }
AzureIoTClient 4:98007eb79fa8 717 }
AzureIoTClient 4:98007eb79fa8 718 }
Azure.IoT Build 0:6ae2f7bca550 719
AzureIoTClient 4:98007eb79fa8 720 open_destroy(open_handle);
AzureIoTClient 4:98007eb79fa8 721 }
AzureIoTClient 4:98007eb79fa8 722 }
AzureIoTClient 4:98007eb79fa8 723 else
AzureIoTClient 4:98007eb79fa8 724 {
AzureIoTClient 4:98007eb79fa8 725 /* do nothing for now ... */
AzureIoTClient 4:98007eb79fa8 726 }
AzureIoTClient 4:98007eb79fa8 727 }
AzureIoTClient 4:98007eb79fa8 728 else if (is_close_type_by_descriptor(descriptor))
AzureIoTClient 4:98007eb79fa8 729 {
AzureIoTClient 4:98007eb79fa8 730 /* 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 731 /* 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 732
AzureIoTClient 4:98007eb79fa8 733 /* Codes_SRS_CONNECTION_01_225: [HDR_RCVD HDR OPEN] */
AzureIoTClient 4:98007eb79fa8 734 if ((connection_instance->connection_state == CONNECTION_STATE_HDR_RCVD) ||
AzureIoTClient 4:98007eb79fa8 735 /* Codes_SRS_CONNECTION_01_227: [HDR_EXCH OPEN OPEN] */
AzureIoTClient 4:98007eb79fa8 736 (connection_instance->connection_state == CONNECTION_STATE_HDR_EXCH) ||
AzureIoTClient 4:98007eb79fa8 737 /* Codes_SRS_CONNECTION_01_228: [OPEN_RCVD OPEN *] */
AzureIoTClient 4:98007eb79fa8 738 (connection_instance->connection_state == CONNECTION_STATE_OPEN_RCVD) ||
AzureIoTClient 4:98007eb79fa8 739 /* Codes_SRS_CONNECTION_01_235: [CLOSE_SENT - * TCP Close for Write] */
AzureIoTClient 4:98007eb79fa8 740 (connection_instance->connection_state == CONNECTION_STATE_CLOSE_SENT) ||
AzureIoTClient 4:98007eb79fa8 741 /* Codes_SRS_CONNECTION_01_236: [DISCARDING - * TCP Close for Write] */
AzureIoTClient 4:98007eb79fa8 742 (connection_instance->connection_state == CONNECTION_STATE_DISCARDING))
AzureIoTClient 4:98007eb79fa8 743 {
AzureIoTClient 4:98007eb79fa8 744 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 745 }
AzureIoTClient 4:98007eb79fa8 746 else
AzureIoTClient 4:98007eb79fa8 747 {
AzureIoTClient 4:98007eb79fa8 748 CLOSE_HANDLE close_handle;
Azure.IoT Build 0:6ae2f7bca550 749
AzureIoTClient 4:98007eb79fa8 750 /* 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 751 if (channel > connection_instance->channel_max)
AzureIoTClient 4:98007eb79fa8 752 {
AzureIoTClient 4:98007eb79fa8 753 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing CLOSE frame");
AzureIoTClient 4:98007eb79fa8 754 }
AzureIoTClient 4:98007eb79fa8 755 else
AzureIoTClient 4:98007eb79fa8 756 {
AzureIoTClient 4:98007eb79fa8 757 if (amqpvalue_get_close(performative, &close_handle) != 0)
AzureIoTClient 4:98007eb79fa8 758 {
AzureIoTClient 4:98007eb79fa8 759 close_connection_with_error(connection_instance, "amqp:invalid-field", "connection_endpoint_frame_received::failed parsing CLOSE frame");
AzureIoTClient 4:98007eb79fa8 760 }
AzureIoTClient 4:98007eb79fa8 761 else
AzureIoTClient 4:98007eb79fa8 762 {
AzureIoTClient 4:98007eb79fa8 763 close_destroy(close_handle);
Azure.IoT Build 0:6ae2f7bca550 764
AzureIoTClient 4:98007eb79fa8 765 connection_set_state(connection_instance, CONNECTION_STATE_CLOSE_RCVD);
Azure.IoT Build 0:6ae2f7bca550 766
AzureIoTClient 4:98007eb79fa8 767 (void)send_close_frame(connection_instance, NULL);
AzureIoTClient 4:98007eb79fa8 768 /* 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 769 (void)xio_close(connection_instance->io, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 770
AzureIoTClient 4:98007eb79fa8 771 connection_set_state(connection_instance, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 772 }
AzureIoTClient 4:98007eb79fa8 773 }
AzureIoTClient 4:98007eb79fa8 774 }
AzureIoTClient 4:98007eb79fa8 775 }
AzureIoTClient 4:98007eb79fa8 776 else
AzureIoTClient 4:98007eb79fa8 777 {
AzureIoTClient 4:98007eb79fa8 778 amqpvalue_get_ulong(descriptor, &performative_ulong);
Azure.IoT Build 0:6ae2f7bca550 779
AzureIoTClient 4:98007eb79fa8 780 switch (performative_ulong)
AzureIoTClient 4:98007eb79fa8 781 {
AzureIoTClient 4:98007eb79fa8 782 default:
Azure.IoT Build 5:ae49385aff34 783 LOG(LOG_TRACE, LOG_LINE, "Bad performative: %02x", performative);
AzureIoTClient 4:98007eb79fa8 784 break;
Azure.IoT Build 0:6ae2f7bca550 785
AzureIoTClient 4:98007eb79fa8 786 case AMQP_BEGIN:
AzureIoTClient 4:98007eb79fa8 787 {
AzureIoTClient 4:98007eb79fa8 788 BEGIN_HANDLE begin;
AzureIoTClient 4:98007eb79fa8 789 amqpvalue_get_begin(performative, &begin);
Azure.IoT Build 0:6ae2f7bca550 790
AzureIoTClient 4:98007eb79fa8 791 if (begin == NULL)
AzureIoTClient 4:98007eb79fa8 792 {
AzureIoTClient 4:98007eb79fa8 793 /* error */
AzureIoTClient 4:98007eb79fa8 794 }
AzureIoTClient 4:98007eb79fa8 795 else
AzureIoTClient 4:98007eb79fa8 796 {
AzureIoTClient 4:98007eb79fa8 797 uint16_t remote_channel;
AzureIoTClient 4:98007eb79fa8 798 ENDPOINT_HANDLE new_endpoint = NULL;
AzureIoTClient 4:98007eb79fa8 799 bool remote_begin = false;
Azure.IoT Build 0:6ae2f7bca550 800
AzureIoTClient 4:98007eb79fa8 801 if (begin_get_remote_channel(begin, &remote_channel) != 0)
AzureIoTClient 4:98007eb79fa8 802 {
AzureIoTClient 4:98007eb79fa8 803 remote_begin = true;
AzureIoTClient 4:98007eb79fa8 804 if (connection_instance->on_new_endpoint != NULL)
AzureIoTClient 4:98007eb79fa8 805 {
AzureIoTClient 4:98007eb79fa8 806 new_endpoint = connection_create_endpoint(connection_instance);
AzureIoTClient 4:98007eb79fa8 807 if (!connection_instance->on_new_endpoint(connection_instance->on_new_endpoint_callback_context, new_endpoint))
AzureIoTClient 4:98007eb79fa8 808 {
AzureIoTClient 4:98007eb79fa8 809 connection_destroy_endpoint(new_endpoint);
AzureIoTClient 4:98007eb79fa8 810 new_endpoint = NULL;
AzureIoTClient 4:98007eb79fa8 811 }
AzureIoTClient 4:98007eb79fa8 812 }
AzureIoTClient 4:98007eb79fa8 813 }
Azure.IoT Build 0:6ae2f7bca550 814
AzureIoTClient 4:98007eb79fa8 815 if (!remote_begin)
AzureIoTClient 4:98007eb79fa8 816 {
AzureIoTClient 4:98007eb79fa8 817 ENDPOINT_INSTANCE* session_endpoint = find_session_endpoint_by_outgoing_channel(connection_instance, remote_channel);
AzureIoTClient 4:98007eb79fa8 818 if (session_endpoint == NULL)
AzureIoTClient 4:98007eb79fa8 819 {
AzureIoTClient 4:98007eb79fa8 820 /* error */
AzureIoTClient 4:98007eb79fa8 821 }
AzureIoTClient 4:98007eb79fa8 822 else
AzureIoTClient 4:98007eb79fa8 823 {
AzureIoTClient 4:98007eb79fa8 824 session_endpoint->incoming_channel = channel;
AzureIoTClient 4:98007eb79fa8 825 session_endpoint->on_endpoint_frame_received(session_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 4:98007eb79fa8 826 }
AzureIoTClient 4:98007eb79fa8 827 }
AzureIoTClient 4:98007eb79fa8 828 else
AzureIoTClient 4:98007eb79fa8 829 {
Azure.IoT Build 0:6ae2f7bca550 830 if (new_endpoint != NULL)
Azure.IoT Build 0:6ae2f7bca550 831 {
Azure.IoT Build 0:6ae2f7bca550 832 new_endpoint->incoming_channel = channel;
Azure.IoT Build 0:6ae2f7bca550 833 new_endpoint->on_endpoint_frame_received(new_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 834 }
AzureIoTClient 4:98007eb79fa8 835 }
Azure.IoT Build 0:6ae2f7bca550 836
AzureIoTClient 4:98007eb79fa8 837 begin_destroy(begin);
AzureIoTClient 4:98007eb79fa8 838 }
Azure.IoT Build 0:6ae2f7bca550 839
AzureIoTClient 4:98007eb79fa8 840 break;
AzureIoTClient 4:98007eb79fa8 841 }
Azure.IoT Build 0:6ae2f7bca550 842
AzureIoTClient 4:98007eb79fa8 843 case AMQP_FLOW:
AzureIoTClient 4:98007eb79fa8 844 case AMQP_TRANSFER:
AzureIoTClient 4:98007eb79fa8 845 case AMQP_DISPOSITION:
AzureIoTClient 4:98007eb79fa8 846 case AMQP_END:
AzureIoTClient 4:98007eb79fa8 847 case AMQP_ATTACH:
AzureIoTClient 4:98007eb79fa8 848 case AMQP_DETACH:
AzureIoTClient 4:98007eb79fa8 849 {
AzureIoTClient 4:98007eb79fa8 850 ENDPOINT_INSTANCE* session_endpoint = find_session_endpoint_by_incoming_channel(connection_instance, channel);
AzureIoTClient 4:98007eb79fa8 851 if (session_endpoint == NULL)
AzureIoTClient 4:98007eb79fa8 852 {
AzureIoTClient 4:98007eb79fa8 853 /* error */
AzureIoTClient 4:98007eb79fa8 854 }
AzureIoTClient 4:98007eb79fa8 855 else
AzureIoTClient 4:98007eb79fa8 856 {
AzureIoTClient 4:98007eb79fa8 857 session_endpoint->on_endpoint_frame_received(session_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 4:98007eb79fa8 858 }
Azure.IoT Build 0:6ae2f7bca550 859
AzureIoTClient 4:98007eb79fa8 860 break;
AzureIoTClient 4:98007eb79fa8 861 }
AzureIoTClient 4:98007eb79fa8 862 }
AzureIoTClient 4:98007eb79fa8 863 }
AzureIoTClient 4:98007eb79fa8 864 }
AzureIoTClient 4:98007eb79fa8 865 break;
Azure.IoT Build 0:6ae2f7bca550 866
AzureIoTClient 4:98007eb79fa8 867 case CONNECTION_STATE_START:
AzureIoTClient 4:98007eb79fa8 868 /* Codes_SRS_CONNECTION_01_224: [START HDR HDR] */
AzureIoTClient 4:98007eb79fa8 869 case CONNECTION_STATE_HDR_SENT:
AzureIoTClient 4:98007eb79fa8 870 /* Codes_SRS_CONNECTION_01_226: [HDR_SENT OPEN HDR] */
AzureIoTClient 4:98007eb79fa8 871 case CONNECTION_STATE_OPEN_PIPE:
AzureIoTClient 4:98007eb79fa8 872 /* Codes_SRS_CONNECTION_01_230: [OPEN_PIPE ** HDR] */
AzureIoTClient 4:98007eb79fa8 873 case CONNECTION_STATE_OC_PIPE:
AzureIoTClient 4:98007eb79fa8 874 /* Codes_SRS_CONNECTION_01_232: [OC_PIPE - HDR TCP Close for Write] */
AzureIoTClient 4:98007eb79fa8 875 case CONNECTION_STATE_CLOSE_RCVD:
AzureIoTClient 4:98007eb79fa8 876 /* Codes_SRS_CONNECTION_01_234: [CLOSE_RCVD * - TCP Close for Read] */
AzureIoTClient 4:98007eb79fa8 877 case CONNECTION_STATE_END:
AzureIoTClient 4:98007eb79fa8 878 /* Codes_SRS_CONNECTION_01_237: [END - - TCP Close] */
AzureIoTClient 4:98007eb79fa8 879 xio_close(connection_instance->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 880 break;
AzureIoTClient 4:98007eb79fa8 881 }
AzureIoTClient 4:98007eb79fa8 882 }
AzureIoTClient 4:98007eb79fa8 883 }
Azure.IoT Build 0:6ae2f7bca550 884 }
Azure.IoT Build 0:6ae2f7bca550 885
Azure.IoT Build 0:6ae2f7bca550 886 static void frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 887 {
Azure.IoT Build 0:6ae2f7bca550 888 }
Azure.IoT Build 0:6ae2f7bca550 889
Azure.IoT Build 0:6ae2f7bca550 890 static void amqp_frame_codec_error(void* context)
Azure.IoT Build 0:6ae2f7bca550 891 {
Azure.IoT Build 0:6ae2f7bca550 892 }
Azure.IoT Build 0:6ae2f7bca550 893
Azure.IoT Build 0:6ae2f7bca550 894 /* Codes_SRS_CONNECTION_01_001: [connection_create shall open a new connection to a specified host/port.] */
Azure.IoT Build 0:6ae2f7bca550 895 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 896 {
Azure.IoT Build 5:ae49385aff34 897 return connection_create2(xio, hostname, container_id, on_new_endpoint, callback_context, NULL, NULL, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 898 }
Azure.IoT Build 0:6ae2f7bca550 899
Azure.IoT Build 0:6ae2f7bca550 900 /* Codes_SRS_CONNECTION_01_001: [connection_create shall open a new connection to a specified host/port.] */
Azure.IoT Build 0:6ae2f7bca550 901 /* Codes_SRS_CONNECTION_22_002: [connection_create shall allow registering connections state and io error callbacks.] */
Azure.IoT Build 5:ae49385aff34 902 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 903 {
AzureIoTClient 4:98007eb79fa8 904 CONNECTION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 905
AzureIoTClient 4:98007eb79fa8 906 if ((xio == NULL) ||
AzureIoTClient 4:98007eb79fa8 907 (container_id == NULL))
AzureIoTClient 4:98007eb79fa8 908 {
AzureIoTClient 4:98007eb79fa8 909 /* Codes_SRS_CONNECTION_01_071: [If xio or container_id is NULL, connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 910 result = NULL;
AzureIoTClient 4:98007eb79fa8 911 }
AzureIoTClient 4:98007eb79fa8 912 else
AzureIoTClient 4:98007eb79fa8 913 {
AzureIoTClient 4:98007eb79fa8 914 result = (CONNECTION_INSTANCE*)amqpalloc_malloc(sizeof(CONNECTION_INSTANCE));
AzureIoTClient 4:98007eb79fa8 915 /* Codes_SRS_CONNECTION_01_081: [If allocating the memory for the connection fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 916 if (result != NULL)
AzureIoTClient 4:98007eb79fa8 917 {
AzureIoTClient 4:98007eb79fa8 918 result->io = xio;
Azure.IoT Build 0:6ae2f7bca550 919
AzureIoTClient 4:98007eb79fa8 920 /* 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 921 result->frame_codec = frame_codec_create(frame_codec_error, result);
AzureIoTClient 4:98007eb79fa8 922 if (result->frame_codec == NULL)
AzureIoTClient 4:98007eb79fa8 923 {
AzureIoTClient 4:98007eb79fa8 924 /* Codes_SRS_CONNECTION_01_083: [If frame_codec_create fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 925 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 926 result = NULL;
AzureIoTClient 4:98007eb79fa8 927 }
AzureIoTClient 4:98007eb79fa8 928 else
AzureIoTClient 4:98007eb79fa8 929 {
AzureIoTClient 4:98007eb79fa8 930 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 931 if (result->amqp_frame_codec == NULL)
AzureIoTClient 4:98007eb79fa8 932 {
AzureIoTClient 4:98007eb79fa8 933 /* Codes_SRS_CONNECTION_01_108: [If amqp_frame_codec_create fails, connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 934 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 935 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 936 result = NULL;
AzureIoTClient 4:98007eb79fa8 937 }
AzureIoTClient 4:98007eb79fa8 938 else
AzureIoTClient 4:98007eb79fa8 939 {
AzureIoTClient 4:98007eb79fa8 940 if (hostname != NULL)
AzureIoTClient 4:98007eb79fa8 941 {
AzureIoTClient 4:98007eb79fa8 942 result->host_name = (char*)amqpalloc_malloc(strlen(hostname) + 1);
AzureIoTClient 4:98007eb79fa8 943 if (result->host_name == NULL)
AzureIoTClient 4:98007eb79fa8 944 {
AzureIoTClient 4:98007eb79fa8 945 /* Codes_SRS_CONNECTION_01_081: [If allocating the memory for the connection fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 946 amqp_frame_codec_destroy(result->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 947 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 948 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 949 result = NULL;
AzureIoTClient 4:98007eb79fa8 950 }
AzureIoTClient 4:98007eb79fa8 951 else
AzureIoTClient 4:98007eb79fa8 952 {
AzureIoTClient 4:98007eb79fa8 953 strcpy(result->host_name, hostname);
AzureIoTClient 4:98007eb79fa8 954 }
AzureIoTClient 4:98007eb79fa8 955 }
AzureIoTClient 4:98007eb79fa8 956 else
AzureIoTClient 4:98007eb79fa8 957 {
AzureIoTClient 4:98007eb79fa8 958 result->host_name = NULL;
AzureIoTClient 4:98007eb79fa8 959 }
Azure.IoT Build 0:6ae2f7bca550 960
AzureIoTClient 4:98007eb79fa8 961 if (result != NULL)
AzureIoTClient 4:98007eb79fa8 962 {
AzureIoTClient 4:98007eb79fa8 963 result->container_id = (char*)amqpalloc_malloc(strlen(container_id) + 1);
AzureIoTClient 4:98007eb79fa8 964 if (result->container_id == NULL)
AzureIoTClient 4:98007eb79fa8 965 {
AzureIoTClient 4:98007eb79fa8 966 /* Codes_SRS_CONNECTION_01_081: [If allocating the memory for the connection fails then connection_create shall return NULL.] */
AzureIoTClient 4:98007eb79fa8 967 amqpalloc_free(result->host_name);
AzureIoTClient 4:98007eb79fa8 968 amqp_frame_codec_destroy(result->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 969 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 970 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 971 result = NULL;
AzureIoTClient 4:98007eb79fa8 972 }
AzureIoTClient 4:98007eb79fa8 973 else
AzureIoTClient 4:98007eb79fa8 974 {
AzureIoTClient 4:98007eb79fa8 975 result->tick_counter = tickcounter_create();
AzureIoTClient 4:98007eb79fa8 976 if (result->tick_counter == NULL)
AzureIoTClient 4:98007eb79fa8 977 {
AzureIoTClient 4:98007eb79fa8 978 amqpalloc_free(result->container_id);
AzureIoTClient 4:98007eb79fa8 979 amqpalloc_free(result->host_name);
AzureIoTClient 4:98007eb79fa8 980 amqp_frame_codec_destroy(result->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 981 frame_codec_destroy(result->frame_codec);
AzureIoTClient 4:98007eb79fa8 982 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 983 result = NULL;
AzureIoTClient 4:98007eb79fa8 984 }
AzureIoTClient 4:98007eb79fa8 985 else
AzureIoTClient 4:98007eb79fa8 986 {
AzureIoTClient 4:98007eb79fa8 987 strcpy(result->container_id, container_id);
Azure.IoT Build 0:6ae2f7bca550 988
AzureIoTClient 4:98007eb79fa8 989 /* Codes_SRS_CONNECTION_01_173: [<field name="max-frame-size" type="uint" default="4294967295"/>] */
AzureIoTClient 4:98007eb79fa8 990 result->max_frame_size = 4294967295u;
AzureIoTClient 4:98007eb79fa8 991 /* Codes: [<field name="channel-max" type="ushort" default="65535"/>] */
AzureIoTClient 4:98007eb79fa8 992 result->channel_max = 65535;
Azure.IoT Build 0:6ae2f7bca550 993
AzureIoTClient 4:98007eb79fa8 994 /* Codes_SRS_CONNECTION_01_175: [<field name="idle-time-out" type="milliseconds"/>] */
AzureIoTClient 4:98007eb79fa8 995 /* Codes_SRS_CONNECTION_01_192: [A value of zero is the same as if it was not set (null).] */
AzureIoTClient 4:98007eb79fa8 996 result->idle_timeout = 0;
AzureIoTClient 4:98007eb79fa8 997 result->remote_idle_timeout = 0;
Azure.IoT Build 0:6ae2f7bca550 998
AzureIoTClient 4:98007eb79fa8 999 result->endpoint_count = 0;
AzureIoTClient 4:98007eb79fa8 1000 result->endpoints = NULL;
AzureIoTClient 4:98007eb79fa8 1001 result->header_bytes_received = 0;
AzureIoTClient 4:98007eb79fa8 1002 result->is_remote_frame_received = 0;
Azure.IoT Build 0:6ae2f7bca550 1003
AzureIoTClient 4:98007eb79fa8 1004 result->is_underlying_io_open = 0;
AzureIoTClient 4:98007eb79fa8 1005 result->remote_max_frame_size = 512;
AzureIoTClient 4:98007eb79fa8 1006 result->is_trace_on = 0;
Azure.IoT Build 0:6ae2f7bca550 1007
AzureIoTClient 4:98007eb79fa8 1008 /* Mark that settings have not yet been set by the user */
AzureIoTClient 4:98007eb79fa8 1009 result->idle_timeout_specified = 0;
Azure.IoT Build 0:6ae2f7bca550 1010
AzureIoTClient 4:98007eb79fa8 1011 result->on_new_endpoint = on_new_endpoint;
AzureIoTClient 4:98007eb79fa8 1012 result->on_new_endpoint_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 1013
Azure.IoT Build 0:6ae2f7bca550 1014 result->on_io_error = on_io_error;
Azure.IoT Build 0:6ae2f7bca550 1015 result->on_io_error_callback_context = on_io_error_context;
Azure.IoT Build 0:6ae2f7bca550 1016 result->on_connection_state_changed = on_connection_state_changed;
Azure.IoT Build 0:6ae2f7bca550 1017 result->on_connection_state_changed_callback_context = on_connection_state_changed_context;
Azure.IoT Build 0:6ae2f7bca550 1018
AzureIoTClient 4:98007eb79fa8 1019 /* Codes_SRS_CONNECTION_01_072: [When connection_create succeeds, the state of the connection shall be CONNECTION_STATE_START.] */
AzureIoTClient 4:98007eb79fa8 1020 connection_set_state(result, CONNECTION_STATE_START);
AzureIoTClient 4:98007eb79fa8 1021 }
AzureIoTClient 4:98007eb79fa8 1022 }
AzureIoTClient 4:98007eb79fa8 1023 }
AzureIoTClient 4:98007eb79fa8 1024 }
AzureIoTClient 4:98007eb79fa8 1025 }
AzureIoTClient 4:98007eb79fa8 1026 }
AzureIoTClient 4:98007eb79fa8 1027 }
Azure.IoT Build 0:6ae2f7bca550 1028
AzureIoTClient 4:98007eb79fa8 1029 return result;
Azure.IoT Build 0:6ae2f7bca550 1030 }
Azure.IoT Build 0:6ae2f7bca550 1031
Azure.IoT Build 0:6ae2f7bca550 1032 void connection_destroy(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1033 {
AzureIoTClient 4:98007eb79fa8 1034 /* Codes_SRS_CONNECTION_01_079: [If handle is NULL, connection_destroy shall do nothing.] */
AzureIoTClient 4:98007eb79fa8 1035 if (connection != NULL)
AzureIoTClient 4:98007eb79fa8 1036 {
AzureIoTClient 4:98007eb79fa8 1037 /* Codes_SRS_CONNECTION_01_073: [connection_destroy shall free all resources associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1038 if (connection->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 1039 {
AzureIoTClient 4:98007eb79fa8 1040 connection_close(connection, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 1041 }
Azure.IoT Build 0:6ae2f7bca550 1042
AzureIoTClient 4:98007eb79fa8 1043 amqp_frame_codec_destroy(connection->amqp_frame_codec);
AzureIoTClient 4:98007eb79fa8 1044 frame_codec_destroy(connection->frame_codec);
AzureIoTClient 4:98007eb79fa8 1045 tickcounter_destroy(connection->tick_counter);
Azure.IoT Build 0:6ae2f7bca550 1046
AzureIoTClient 4:98007eb79fa8 1047 amqpalloc_free(connection->host_name);
AzureIoTClient 4:98007eb79fa8 1048 amqpalloc_free(connection->container_id);
Azure.IoT Build 0:6ae2f7bca550 1049
AzureIoTClient 4:98007eb79fa8 1050 /* Codes_SRS_CONNECTION_01_074: [connection_destroy shall close the socket connection.] */
AzureIoTClient 4:98007eb79fa8 1051 amqpalloc_free(connection);
AzureIoTClient 4:98007eb79fa8 1052 }
Azure.IoT Build 0:6ae2f7bca550 1053 }
Azure.IoT Build 0:6ae2f7bca550 1054
Azure.IoT Build 0:6ae2f7bca550 1055 int connection_open(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1056 {
AzureIoTClient 4:98007eb79fa8 1057 int result;
Azure.IoT Build 0:6ae2f7bca550 1058
AzureIoTClient 4:98007eb79fa8 1059 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1060 {
AzureIoTClient 4:98007eb79fa8 1061 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1062 }
AzureIoTClient 4:98007eb79fa8 1063 else
AzureIoTClient 4:98007eb79fa8 1064 {
AzureIoTClient 4:98007eb79fa8 1065 if (!connection->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 1066 {
AzureIoTClient 4:98007eb79fa8 1067 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 1068 {
AzureIoTClient 4:98007eb79fa8 1069 connection_set_state(connection, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 1070 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1071 }
AzureIoTClient 4:98007eb79fa8 1072 else
AzureIoTClient 4:98007eb79fa8 1073 {
AzureIoTClient 4:98007eb79fa8 1074 connection->is_underlying_io_open = 1;
Azure.IoT Build 0:6ae2f7bca550 1075
AzureIoTClient 4:98007eb79fa8 1076 connection_set_state(connection, CONNECTION_STATE_START);
Azure.IoT Build 0:6ae2f7bca550 1077
AzureIoTClient 4:98007eb79fa8 1078 result = 0;
AzureIoTClient 4:98007eb79fa8 1079 }
AzureIoTClient 4:98007eb79fa8 1080 }
AzureIoTClient 4:98007eb79fa8 1081 else
AzureIoTClient 4:98007eb79fa8 1082 {
AzureIoTClient 4:98007eb79fa8 1083 result = 0;
AzureIoTClient 4:98007eb79fa8 1084 }
AzureIoTClient 4:98007eb79fa8 1085 }
Azure.IoT Build 0:6ae2f7bca550 1086
AzureIoTClient 4:98007eb79fa8 1087 return result;
Azure.IoT Build 0:6ae2f7bca550 1088 }
Azure.IoT Build 0:6ae2f7bca550 1089
Azure.IoT Build 0:6ae2f7bca550 1090 int connection_listen(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1091 {
AzureIoTClient 4:98007eb79fa8 1092 int result;
Azure.IoT Build 0:6ae2f7bca550 1093
AzureIoTClient 4:98007eb79fa8 1094 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1095 {
AzureIoTClient 4:98007eb79fa8 1096 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1097 }
AzureIoTClient 4:98007eb79fa8 1098 else
AzureIoTClient 4:98007eb79fa8 1099 {
AzureIoTClient 4:98007eb79fa8 1100 if (!connection->is_underlying_io_open)
AzureIoTClient 4:98007eb79fa8 1101 {
AzureIoTClient 4:98007eb79fa8 1102 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 1103 {
AzureIoTClient 4:98007eb79fa8 1104 connection_set_state(connection, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 1105 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1106 }
AzureIoTClient 4:98007eb79fa8 1107 else
AzureIoTClient 4:98007eb79fa8 1108 {
AzureIoTClient 4:98007eb79fa8 1109 connection->is_underlying_io_open = 1;
Azure.IoT Build 0:6ae2f7bca550 1110
AzureIoTClient 4:98007eb79fa8 1111 connection_set_state(connection, CONNECTION_STATE_HDR_EXCH);
Azure.IoT Build 0:6ae2f7bca550 1112
AzureIoTClient 4:98007eb79fa8 1113 result = 0;
AzureIoTClient 4:98007eb79fa8 1114 }
AzureIoTClient 4:98007eb79fa8 1115 }
AzureIoTClient 4:98007eb79fa8 1116 else
AzureIoTClient 4:98007eb79fa8 1117 {
AzureIoTClient 4:98007eb79fa8 1118 result = 0;
AzureIoTClient 4:98007eb79fa8 1119 }
AzureIoTClient 4:98007eb79fa8 1120 }
Azure.IoT Build 0:6ae2f7bca550 1121
AzureIoTClient 4:98007eb79fa8 1122 return result;
Azure.IoT Build 0:6ae2f7bca550 1123 }
Azure.IoT Build 0:6ae2f7bca550 1124
Azure.IoT Build 0:6ae2f7bca550 1125 int connection_close(CONNECTION_HANDLE connection, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 1126 {
AzureIoTClient 4:98007eb79fa8 1127 int result;
Azure.IoT Build 0:6ae2f7bca550 1128
AzureIoTClient 4:98007eb79fa8 1129 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1130 {
AzureIoTClient 4:98007eb79fa8 1131 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1132 }
AzureIoTClient 4:98007eb79fa8 1133 else
AzureIoTClient 4:98007eb79fa8 1134 {
AzureIoTClient 4:98007eb79fa8 1135 if (condition_value != NULL)
AzureIoTClient 4:98007eb79fa8 1136 {
AzureIoTClient 4:98007eb79fa8 1137 close_connection_with_error(connection, condition_value, description);
AzureIoTClient 4:98007eb79fa8 1138 }
AzureIoTClient 4:98007eb79fa8 1139 else
AzureIoTClient 4:98007eb79fa8 1140 {
AzureIoTClient 4:98007eb79fa8 1141 (void)send_close_frame(connection, NULL);
AzureIoTClient 4:98007eb79fa8 1142 connection_set_state(connection, CONNECTION_STATE_END);
AzureIoTClient 4:98007eb79fa8 1143 }
Azure.IoT Build 0:6ae2f7bca550 1144
AzureIoTClient 4:98007eb79fa8 1145 (void)xio_close(connection->io, NULL, NULL);
AzureIoTClient 4:98007eb79fa8 1146 connection->is_underlying_io_open = 1;
Azure.IoT Build 0:6ae2f7bca550 1147
Azure.IoT Build 0:6ae2f7bca550 1148 result = 0;
AzureIoTClient 4:98007eb79fa8 1149 }
Azure.IoT Build 0:6ae2f7bca550 1150
AzureIoTClient 4:98007eb79fa8 1151 return result;
Azure.IoT Build 0:6ae2f7bca550 1152 }
Azure.IoT Build 0:6ae2f7bca550 1153
Azure.IoT Build 0:6ae2f7bca550 1154 int connection_set_on_new_session_endpoint(CONNECTION_HANDLE connection, ON_NEW_ENDPOINT on_new_endpoint, void* on_new_endpoint_callback_context)
Azure.IoT Build 0:6ae2f7bca550 1155 {
AzureIoTClient 4:98007eb79fa8 1156 int result;
Azure.IoT Build 0:6ae2f7bca550 1157
AzureIoTClient 4:98007eb79fa8 1158 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1159 {
AzureIoTClient 4:98007eb79fa8 1160 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1161 }
AzureIoTClient 4:98007eb79fa8 1162 else
AzureIoTClient 4:98007eb79fa8 1163 {
AzureIoTClient 4:98007eb79fa8 1164 result = 0;
AzureIoTClient 4:98007eb79fa8 1165 }
Azure.IoT Build 0:6ae2f7bca550 1166
AzureIoTClient 4:98007eb79fa8 1167 return result;
Azure.IoT Build 0:6ae2f7bca550 1168 }
Azure.IoT Build 0:6ae2f7bca550 1169
Azure.IoT Build 0:6ae2f7bca550 1170 int connection_set_max_frame_size(CONNECTION_HANDLE connection, uint32_t max_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1171 {
AzureIoTClient 4:98007eb79fa8 1172 int result;
Azure.IoT Build 0:6ae2f7bca550 1173
AzureIoTClient 4:98007eb79fa8 1174 /* 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 1175 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1176 /* 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 1177 /* Codes_SRS_CONNECTION_01_167: [Both peers MUST accept frames of up to 512 (MIN-MAX-FRAME-SIZE) octets.] */
AzureIoTClient 4:98007eb79fa8 1178 (max_frame_size < 512))
AzureIoTClient 4:98007eb79fa8 1179 {
AzureIoTClient 4:98007eb79fa8 1180 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1181 }
AzureIoTClient 4:98007eb79fa8 1182 else
AzureIoTClient 4:98007eb79fa8 1183 {
AzureIoTClient 4:98007eb79fa8 1184 /* 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 1185 if (connection->connection_state != CONNECTION_STATE_START)
AzureIoTClient 4:98007eb79fa8 1186 {
AzureIoTClient 4:98007eb79fa8 1187 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1188 }
AzureIoTClient 4:98007eb79fa8 1189 else
AzureIoTClient 4:98007eb79fa8 1190 {
AzureIoTClient 4:98007eb79fa8 1191 /* Codes_SRS_CONNECTION_01_148: [connection_set_max_frame_size shall set the max_frame_size associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1192 /* Codes_SRS_CONNECTION_01_164: [If connection_set_max_frame_size fails, the previous max_frame_size setting shall be retained.] */
AzureIoTClient 4:98007eb79fa8 1193 connection->max_frame_size = max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1194
AzureIoTClient 4:98007eb79fa8 1195 /* Codes_SRS_CONNECTION_01_149: [On success connection_set_max_frame_size shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1196 result = 0;
AzureIoTClient 4:98007eb79fa8 1197 }
AzureIoTClient 4:98007eb79fa8 1198 }
Azure.IoT Build 0:6ae2f7bca550 1199
AzureIoTClient 4:98007eb79fa8 1200 return result;
Azure.IoT Build 0:6ae2f7bca550 1201 }
Azure.IoT Build 0:6ae2f7bca550 1202
Azure.IoT Build 0:6ae2f7bca550 1203 int connection_get_max_frame_size(CONNECTION_HANDLE connection, uint32_t* max_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1204 {
AzureIoTClient 4:98007eb79fa8 1205 int result;
Azure.IoT Build 0:6ae2f7bca550 1206
AzureIoTClient 4:98007eb79fa8 1207 /* 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 1208 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1209 (max_frame_size == NULL))
AzureIoTClient 4:98007eb79fa8 1210 {
AzureIoTClient 4:98007eb79fa8 1211 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1212 }
AzureIoTClient 4:98007eb79fa8 1213 else
AzureIoTClient 4:98007eb79fa8 1214 {
AzureIoTClient 4:98007eb79fa8 1215 /* 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 1216 *max_frame_size = connection->max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1217
AzureIoTClient 4:98007eb79fa8 1218 /* Codes_SRS_CONNECTION_01_169: [On success, connection_get_max_frame_size shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1219 result = 0;
AzureIoTClient 4:98007eb79fa8 1220 }
Azure.IoT Build 0:6ae2f7bca550 1221
AzureIoTClient 4:98007eb79fa8 1222 return result;
Azure.IoT Build 0:6ae2f7bca550 1223 }
Azure.IoT Build 0:6ae2f7bca550 1224
Azure.IoT Build 0:6ae2f7bca550 1225 int connection_set_channel_max(CONNECTION_HANDLE connection, uint16_t channel_max)
Azure.IoT Build 0:6ae2f7bca550 1226 {
AzureIoTClient 4:98007eb79fa8 1227 int result;
Azure.IoT Build 0:6ae2f7bca550 1228
AzureIoTClient 4:98007eb79fa8 1229 /* 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 1230 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1231 {
AzureIoTClient 4:98007eb79fa8 1232 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1233 }
AzureIoTClient 4:98007eb79fa8 1234 else
AzureIoTClient 4:98007eb79fa8 1235 {
AzureIoTClient 4:98007eb79fa8 1236 /* 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 1237 if (connection->connection_state != CONNECTION_STATE_START)
AzureIoTClient 4:98007eb79fa8 1238 {
AzureIoTClient 4:98007eb79fa8 1239 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1240 }
AzureIoTClient 4:98007eb79fa8 1241 else
AzureIoTClient 4:98007eb79fa8 1242 {
AzureIoTClient 4:98007eb79fa8 1243 /* Codes_SRS_CONNECTION_01_153: [connection_set_channel_max shall set the channel_max associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1244 /* Codes_SRS_CONNECTION_01_165: [If connection_set_channel_max fails, the previous channel_max setting shall be retained.] */
AzureIoTClient 4:98007eb79fa8 1245 connection->channel_max = channel_max;
Azure.IoT Build 0:6ae2f7bca550 1246
AzureIoTClient 4:98007eb79fa8 1247 /* Codes_SRS_CONNECTION_01_154: [On success connection_set_channel_max shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1248 result = 0;
AzureIoTClient 4:98007eb79fa8 1249 }
AzureIoTClient 4:98007eb79fa8 1250 }
Azure.IoT Build 0:6ae2f7bca550 1251
AzureIoTClient 4:98007eb79fa8 1252 return result;
Azure.IoT Build 0:6ae2f7bca550 1253 }
Azure.IoT Build 0:6ae2f7bca550 1254
Azure.IoT Build 0:6ae2f7bca550 1255 int connection_get_channel_max(CONNECTION_HANDLE connection, uint16_t* channel_max)
Azure.IoT Build 0:6ae2f7bca550 1256 {
AzureIoTClient 4:98007eb79fa8 1257 int result;
Azure.IoT Build 0:6ae2f7bca550 1258
AzureIoTClient 4:98007eb79fa8 1259 /* 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 1260 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1261 (channel_max == NULL))
AzureIoTClient 4:98007eb79fa8 1262 {
AzureIoTClient 4:98007eb79fa8 1263 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1264 }
AzureIoTClient 4:98007eb79fa8 1265 else
AzureIoTClient 4:98007eb79fa8 1266 {
AzureIoTClient 4:98007eb79fa8 1267 /* Codes_SRS_CONNECTION_01_182: [connection_get_channel_max shall return in the channel_max argument the current channel_max setting.] */
AzureIoTClient 4:98007eb79fa8 1268 *channel_max = connection->channel_max;
Azure.IoT Build 0:6ae2f7bca550 1269
AzureIoTClient 4:98007eb79fa8 1270 /* Codes_SRS_CONNECTION_01_183: [On success, connection_get_channel_max shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1271 result = 0;
AzureIoTClient 4:98007eb79fa8 1272 }
Azure.IoT Build 0:6ae2f7bca550 1273
AzureIoTClient 4:98007eb79fa8 1274 return result;
Azure.IoT Build 0:6ae2f7bca550 1275 }
Azure.IoT Build 0:6ae2f7bca550 1276
Azure.IoT Build 0:6ae2f7bca550 1277 int connection_set_idle_timeout(CONNECTION_HANDLE connection, milliseconds idle_timeout)
Azure.IoT Build 0:6ae2f7bca550 1278 {
AzureIoTClient 4:98007eb79fa8 1279 int result;
Azure.IoT Build 0:6ae2f7bca550 1280
AzureIoTClient 4:98007eb79fa8 1281 /* Codes_SRS_CONNECTION_01_191: [If connection is NULL, connection_set_idle_timeout shall fail and return a non-zero value.] */
AzureIoTClient 4:98007eb79fa8 1282 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1283 {
AzureIoTClient 4:98007eb79fa8 1284 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1285 }
AzureIoTClient 4:98007eb79fa8 1286 else
AzureIoTClient 4:98007eb79fa8 1287 {
AzureIoTClient 4:98007eb79fa8 1288 /* 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 1289 if (connection->connection_state != CONNECTION_STATE_START)
AzureIoTClient 4:98007eb79fa8 1290 {
AzureIoTClient 4:98007eb79fa8 1291 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1292 }
AzureIoTClient 4:98007eb79fa8 1293 else
AzureIoTClient 4:98007eb79fa8 1294 {
AzureIoTClient 4:98007eb79fa8 1295 /* Codes_SRS_CONNECTION_01_159: [connection_set_idle_timeout shall set the idle_timeout associated with a connection.] */
AzureIoTClient 4:98007eb79fa8 1296 /* Codes_SRS_CONNECTION_01_166: [If connection_set_idle_timeout fails, the previous idle_timeout setting shall be retained.] */
AzureIoTClient 4:98007eb79fa8 1297 connection->idle_timeout = idle_timeout;
AzureIoTClient 4:98007eb79fa8 1298 connection->idle_timeout_specified = true;
Azure.IoT Build 0:6ae2f7bca550 1299
AzureIoTClient 4:98007eb79fa8 1300 /* Codes_SRS_CONNECTION_01_160: [On success connection_set_idle_timeout shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1301 result = 0;
AzureIoTClient 4:98007eb79fa8 1302 }
AzureIoTClient 4:98007eb79fa8 1303 }
Azure.IoT Build 0:6ae2f7bca550 1304
AzureIoTClient 4:98007eb79fa8 1305 return result;
Azure.IoT Build 0:6ae2f7bca550 1306 }
Azure.IoT Build 0:6ae2f7bca550 1307
Azure.IoT Build 0:6ae2f7bca550 1308 int connection_get_idle_timeout(CONNECTION_HANDLE connection, milliseconds* idle_timeout)
Azure.IoT Build 0:6ae2f7bca550 1309 {
AzureIoTClient 4:98007eb79fa8 1310 int result;
Azure.IoT Build 0:6ae2f7bca550 1311
AzureIoTClient 4:98007eb79fa8 1312 /* 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 1313 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1314 (idle_timeout == NULL))
AzureIoTClient 4:98007eb79fa8 1315 {
AzureIoTClient 4:98007eb79fa8 1316 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1317 }
AzureIoTClient 4:98007eb79fa8 1318 else
AzureIoTClient 4:98007eb79fa8 1319 {
AzureIoTClient 4:98007eb79fa8 1320 /* Codes_SRS_CONNECTION_01_188: [connection_get_idle_timeout shall return in the idle_timeout argument the current idle_timeout setting.] */
AzureIoTClient 4:98007eb79fa8 1321 *idle_timeout = connection->idle_timeout;
Azure.IoT Build 0:6ae2f7bca550 1322
AzureIoTClient 4:98007eb79fa8 1323 /* Codes_SRS_CONNECTION_01_189: [On success, connection_get_idle_timeout shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1324 result = 0;
AzureIoTClient 4:98007eb79fa8 1325 }
Azure.IoT Build 0:6ae2f7bca550 1326
AzureIoTClient 4:98007eb79fa8 1327 return result;
Azure.IoT Build 0:6ae2f7bca550 1328 }
Azure.IoT Build 0:6ae2f7bca550 1329
Azure.IoT Build 0:6ae2f7bca550 1330 int connection_get_remote_max_frame_size(CONNECTION_HANDLE connection, uint32_t* remote_max_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1331 {
AzureIoTClient 4:98007eb79fa8 1332 int result;
Azure.IoT Build 0:6ae2f7bca550 1333
AzureIoTClient 4:98007eb79fa8 1334 if ((connection == NULL) ||
AzureIoTClient 4:98007eb79fa8 1335 (remote_max_frame_size == NULL))
AzureIoTClient 4:98007eb79fa8 1336 {
AzureIoTClient 4:98007eb79fa8 1337 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1338 }
AzureIoTClient 4:98007eb79fa8 1339 else
AzureIoTClient 4:98007eb79fa8 1340 {
AzureIoTClient 4:98007eb79fa8 1341 *remote_max_frame_size = connection->remote_max_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1342
AzureIoTClient 4:98007eb79fa8 1343 result = 0;
AzureIoTClient 4:98007eb79fa8 1344 }
Azure.IoT Build 0:6ae2f7bca550 1345
AzureIoTClient 4:98007eb79fa8 1346 return result;
Azure.IoT Build 0:6ae2f7bca550 1347 }
Azure.IoT Build 0:6ae2f7bca550 1348
AzureIoTClient 1:eab586236bfe 1349 uint64_t connection_handle_deadlines(CONNECTION_HANDLE connection)
AzureIoTClient 1:eab586236bfe 1350 {
AzureIoTClient 1:eab586236bfe 1351 uint64_t local_deadline = (uint64_t )-1;
AzureIoTClient 1:eab586236bfe 1352 uint64_t remote_deadline = (uint64_t)-1;
AzureIoTClient 1:eab586236bfe 1353
AzureIoTClient 1:eab586236bfe 1354 if (connection != NULL)
AzureIoTClient 1:eab586236bfe 1355 {
AzureIoTClient 1:eab586236bfe 1356 uint64_t current_ms;
AzureIoTClient 1:eab586236bfe 1357
AzureIoTClient 1:eab586236bfe 1358 if (tickcounter_get_current_ms(connection->tick_counter, &current_ms) != 0)
AzureIoTClient 1:eab586236bfe 1359 {
AzureIoTClient 1:eab586236bfe 1360 close_connection_with_error(connection, "amqp:internal-error", "Could not get tick count");
AzureIoTClient 1:eab586236bfe 1361 }
AzureIoTClient 1:eab586236bfe 1362 else
AzureIoTClient 1:eab586236bfe 1363 {
AzureIoTClient 1:eab586236bfe 1364 if (connection->idle_timeout_specified && (connection->idle_timeout != 0))
AzureIoTClient 1:eab586236bfe 1365 {
AzureIoTClient 1:eab586236bfe 1366 /* Calculate time until configured idle timeout expires */
AzureIoTClient 1:eab586236bfe 1367
AzureIoTClient 1:eab586236bfe 1368 uint64_t time_since_last_received = current_ms - connection->last_frame_received_time;
AzureIoTClient 1:eab586236bfe 1369 if (time_since_last_received < connection->idle_timeout)
AzureIoTClient 1:eab586236bfe 1370 {
AzureIoTClient 1:eab586236bfe 1371 local_deadline = connection->idle_timeout - time_since_last_received;
AzureIoTClient 1:eab586236bfe 1372 }
AzureIoTClient 1:eab586236bfe 1373 else
AzureIoTClient 1:eab586236bfe 1374 {
AzureIoTClient 1:eab586236bfe 1375 local_deadline = 0;
AzureIoTClient 1:eab586236bfe 1376
AzureIoTClient 1:eab586236bfe 1377 /* close connection */
AzureIoTClient 1:eab586236bfe 1378 close_connection_with_error(connection, "amqp:internal-error", "No frame received for the idle timeout");
AzureIoTClient 1:eab586236bfe 1379 }
AzureIoTClient 1:eab586236bfe 1380 }
AzureIoTClient 1:eab586236bfe 1381
AzureIoTClient 1:eab586236bfe 1382 if (local_deadline != 0 && connection->remote_idle_timeout != 0)
AzureIoTClient 1:eab586236bfe 1383 {
AzureIoTClient 1:eab586236bfe 1384 /* Calculate time until remote idle timeout expires */
AzureIoTClient 1:eab586236bfe 1385
AzureIoTClient 1:eab586236bfe 1386 uint64_t remote_idle_timeout = (connection->remote_idle_timeout / 2);
AzureIoTClient 1:eab586236bfe 1387 uint64_t time_since_last_sent = current_ms - connection->last_frame_sent_time;
AzureIoTClient 1:eab586236bfe 1388
AzureIoTClient 1:eab586236bfe 1389 if (time_since_last_sent < remote_idle_timeout)
AzureIoTClient 1:eab586236bfe 1390 {
AzureIoTClient 1:eab586236bfe 1391 remote_deadline = remote_idle_timeout - time_since_last_sent;
AzureIoTClient 1:eab586236bfe 1392 }
AzureIoTClient 1:eab586236bfe 1393 else
AzureIoTClient 1:eab586236bfe 1394 {
AzureIoTClient 1:eab586236bfe 1395 connection->on_send_complete = NULL;
AzureIoTClient 1:eab586236bfe 1396 if (amqp_frame_codec_encode_empty_frame(connection->amqp_frame_codec, 0, on_bytes_encoded, connection) != 0)
AzureIoTClient 1:eab586236bfe 1397 {
AzureIoTClient 1:eab586236bfe 1398 /* close connection */
AzureIoTClient 1:eab586236bfe 1399 close_connection_with_error(connection, "amqp:internal-error", "Cannot send empty frame");
AzureIoTClient 1:eab586236bfe 1400 }
AzureIoTClient 1:eab586236bfe 1401 else
AzureIoTClient 1:eab586236bfe 1402 {
Azure.IoT Build 5:ae49385aff34 1403 LOG(LOG_TRACE, LOG_LINE, "-> Empty frame");
AzureIoTClient 1:eab586236bfe 1404
AzureIoTClient 1:eab586236bfe 1405 connection->last_frame_sent_time = current_ms;
AzureIoTClient 1:eab586236bfe 1406
AzureIoTClient 1:eab586236bfe 1407 remote_deadline = remote_idle_timeout;
AzureIoTClient 1:eab586236bfe 1408 }
AzureIoTClient 1:eab586236bfe 1409 }
AzureIoTClient 1:eab586236bfe 1410 }
AzureIoTClient 1:eab586236bfe 1411 }
AzureIoTClient 1:eab586236bfe 1412 }
AzureIoTClient 1:eab586236bfe 1413
AzureIoTClient 1:eab586236bfe 1414 /* Return the shorter of each deadline, or 0 to indicate connection closed */
AzureIoTClient 1:eab586236bfe 1415 return local_deadline > remote_deadline ? remote_deadline : local_deadline;
AzureIoTClient 1:eab586236bfe 1416 }
AzureIoTClient 1:eab586236bfe 1417
Azure.IoT Build 0:6ae2f7bca550 1418 void connection_dowork(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1419 {
AzureIoTClient 4:98007eb79fa8 1420 /* Codes_SRS_CONNECTION_01_078: [If handle is NULL, connection_dowork shall do nothing.] */
AzureIoTClient 1:eab586236bfe 1421 if (connection != NULL)
AzureIoTClient 1:eab586236bfe 1422 {
AzureIoTClient 1:eab586236bfe 1423 if (connection_handle_deadlines(connection) > 0)
AzureIoTClient 1:eab586236bfe 1424 {
AzureIoTClient 1:eab586236bfe 1425 /* Codes_SRS_CONNECTION_01_076: [connection_dowork shall schedule the underlying IO interface to do its work by calling xio_dowork.] */
AzureIoTClient 1:eab586236bfe 1426 xio_dowork(connection->io);
AzureIoTClient 1:eab586236bfe 1427 }
AzureIoTClient 1:eab586236bfe 1428 }
Azure.IoT Build 0:6ae2f7bca550 1429 }
Azure.IoT Build 0:6ae2f7bca550 1430
Azure.IoT Build 0:6ae2f7bca550 1431 ENDPOINT_HANDLE connection_create_endpoint(CONNECTION_HANDLE connection)
Azure.IoT Build 0:6ae2f7bca550 1432 {
AzureIoTClient 4:98007eb79fa8 1433 ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 1434
AzureIoTClient 4:98007eb79fa8 1435 /* 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 1436 /* Codes_SRS_CONNECTION_01_193: [The context argument shall be allowed to be NULL.] */
AzureIoTClient 4:98007eb79fa8 1437 if (connection == NULL)
AzureIoTClient 4:98007eb79fa8 1438 {
AzureIoTClient 4:98007eb79fa8 1439 result = NULL;
AzureIoTClient 4:98007eb79fa8 1440 }
AzureIoTClient 4:98007eb79fa8 1441 else
AzureIoTClient 4:98007eb79fa8 1442 {
AzureIoTClient 4:98007eb79fa8 1443 /* 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 1444 if (connection->endpoint_count >= connection->channel_max)
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 uint32_t i = 0;
Azure.IoT Build 0:6ae2f7bca550 1451
AzureIoTClient 4:98007eb79fa8 1452 /* Codes_SRS_CONNECTION_01_128: [The lowest number outgoing channel shall be associated with the newly created endpoint.] */
AzureIoTClient 4:98007eb79fa8 1453 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 1454 {
AzureIoTClient 4:98007eb79fa8 1455 if (connection->endpoints[i]->outgoing_channel > i)
AzureIoTClient 4:98007eb79fa8 1456 {
AzureIoTClient 4:98007eb79fa8 1457 /* found a gap in the sorted endpoint array */
AzureIoTClient 4:98007eb79fa8 1458 break;
AzureIoTClient 4:98007eb79fa8 1459 }
AzureIoTClient 4:98007eb79fa8 1460 }
Azure.IoT Build 0:6ae2f7bca550 1461
AzureIoTClient 4:98007eb79fa8 1462 /* Codes_SRS_CONNECTION_01_127: [On success, connection_create_endpoint shall return a non-NULL handle to the newly created endpoint.] */
AzureIoTClient 4:98007eb79fa8 1463 result = amqpalloc_malloc(sizeof(ENDPOINT_INSTANCE));
AzureIoTClient 4:98007eb79fa8 1464 /* 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 1465 if (result != NULL)
AzureIoTClient 4:98007eb79fa8 1466 {
AzureIoTClient 4:98007eb79fa8 1467 ENDPOINT_INSTANCE** new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1468
AzureIoTClient 4:98007eb79fa8 1469 result->on_endpoint_frame_received = NULL;
AzureIoTClient 4:98007eb79fa8 1470 result->on_connection_state_changed = NULL;
AzureIoTClient 4:98007eb79fa8 1471 result->callback_context = NULL;
AzureIoTClient 4:98007eb79fa8 1472 result->outgoing_channel = i;
AzureIoTClient 4:98007eb79fa8 1473 result->connection = connection;
Azure.IoT Build 0:6ae2f7bca550 1474
AzureIoTClient 4:98007eb79fa8 1475 /* 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 1476 new_endpoints = (ENDPOINT_INSTANCE**)amqpalloc_realloc(connection->endpoints, sizeof(ENDPOINT_INSTANCE*) * (connection->endpoint_count + 1));
AzureIoTClient 4:98007eb79fa8 1477 if (new_endpoints == NULL)
AzureIoTClient 4:98007eb79fa8 1478 {
AzureIoTClient 4:98007eb79fa8 1479 /* 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 1480 amqpalloc_free(result);
AzureIoTClient 4:98007eb79fa8 1481 result = NULL;
AzureIoTClient 4:98007eb79fa8 1482 }
AzureIoTClient 4:98007eb79fa8 1483 else
AzureIoTClient 4:98007eb79fa8 1484 {
AzureIoTClient 4:98007eb79fa8 1485 connection->endpoints = new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1486
AzureIoTClient 4:98007eb79fa8 1487 if (i < connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 1488 {
AzureIoTClient 4:98007eb79fa8 1489 (void)memmove(&connection->endpoints[i + 1], &connection->endpoints[i], sizeof(ENDPOINT_INSTANCE*) * (connection->endpoint_count - i));
AzureIoTClient 4:98007eb79fa8 1490 }
Azure.IoT Build 0:6ae2f7bca550 1491
AzureIoTClient 4:98007eb79fa8 1492 connection->endpoints[i] = result;
AzureIoTClient 4:98007eb79fa8 1493 connection->endpoint_count++;
Azure.IoT Build 0:6ae2f7bca550 1494
AzureIoTClient 4:98007eb79fa8 1495 /* Codes_SRS_CONNECTION_01_112: [connection_create_endpoint shall create a new endpoint that can be used by a session.] */
AzureIoTClient 4:98007eb79fa8 1496 }
AzureIoTClient 4:98007eb79fa8 1497 }
AzureIoTClient 4:98007eb79fa8 1498 }
AzureIoTClient 4:98007eb79fa8 1499 }
Azure.IoT Build 0:6ae2f7bca550 1500
AzureIoTClient 4:98007eb79fa8 1501 return result;
Azure.IoT Build 0:6ae2f7bca550 1502 }
Azure.IoT Build 0:6ae2f7bca550 1503
Azure.IoT Build 0:6ae2f7bca550 1504 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 1505 {
AzureIoTClient 4:98007eb79fa8 1506 int result;
Azure.IoT Build 0:6ae2f7bca550 1507
AzureIoTClient 4:98007eb79fa8 1508 if ((endpoint == NULL) ||
AzureIoTClient 4:98007eb79fa8 1509 (on_endpoint_frame_received == NULL) ||
AzureIoTClient 4:98007eb79fa8 1510 (on_connection_state_changed == NULL))
AzureIoTClient 4:98007eb79fa8 1511 {
AzureIoTClient 4:98007eb79fa8 1512 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1513 }
AzureIoTClient 4:98007eb79fa8 1514 else
AzureIoTClient 4:98007eb79fa8 1515 {
AzureIoTClient 4:98007eb79fa8 1516 endpoint->on_endpoint_frame_received = on_endpoint_frame_received;
AzureIoTClient 4:98007eb79fa8 1517 endpoint->on_connection_state_changed = on_connection_state_changed;
AzureIoTClient 4:98007eb79fa8 1518 endpoint->callback_context = context;
Azure.IoT Build 0:6ae2f7bca550 1519
AzureIoTClient 4:98007eb79fa8 1520 result = 0;
AzureIoTClient 4:98007eb79fa8 1521 }
Azure.IoT Build 0:6ae2f7bca550 1522
AzureIoTClient 4:98007eb79fa8 1523 return result;
Azure.IoT Build 0:6ae2f7bca550 1524 }
Azure.IoT Build 0:6ae2f7bca550 1525
Azure.IoT Build 0:6ae2f7bca550 1526 int connection_endpoint_get_incoming_channel(ENDPOINT_HANDLE endpoint, uint16_t* incoming_channel)
Azure.IoT Build 0:6ae2f7bca550 1527 {
AzureIoTClient 4:98007eb79fa8 1528 int result;
Azure.IoT Build 0:6ae2f7bca550 1529
AzureIoTClient 4:98007eb79fa8 1530 if ((endpoint == NULL) ||
AzureIoTClient 4:98007eb79fa8 1531 (incoming_channel == NULL))
AzureIoTClient 4:98007eb79fa8 1532 {
AzureIoTClient 4:98007eb79fa8 1533 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1534 }
AzureIoTClient 4:98007eb79fa8 1535 else
AzureIoTClient 4:98007eb79fa8 1536 {
AzureIoTClient 4:98007eb79fa8 1537 *incoming_channel = endpoint->incoming_channel;
AzureIoTClient 4:98007eb79fa8 1538 result = 0;
AzureIoTClient 4:98007eb79fa8 1539 }
Azure.IoT Build 0:6ae2f7bca550 1540
AzureIoTClient 4:98007eb79fa8 1541 return result;
Azure.IoT Build 0:6ae2f7bca550 1542 }
Azure.IoT Build 0:6ae2f7bca550 1543
Azure.IoT Build 0:6ae2f7bca550 1544 /* 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 1545 void connection_destroy_endpoint(ENDPOINT_HANDLE endpoint)
Azure.IoT Build 0:6ae2f7bca550 1546 {
AzureIoTClient 4:98007eb79fa8 1547 if (endpoint != NULL)
AzureIoTClient 4:98007eb79fa8 1548 {
AzureIoTClient 4:98007eb79fa8 1549 CONNECTION_INSTANCE* connection = (CONNECTION_INSTANCE*)endpoint->connection;
AzureIoTClient 4:98007eb79fa8 1550 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1551
AzureIoTClient 4:98007eb79fa8 1552 for (i = 0; i < connection->endpoint_count; i++)
AzureIoTClient 4:98007eb79fa8 1553 {
AzureIoTClient 4:98007eb79fa8 1554 if (connection->endpoints[i] == endpoint)
AzureIoTClient 4:98007eb79fa8 1555 {
AzureIoTClient 4:98007eb79fa8 1556 break;
AzureIoTClient 4:98007eb79fa8 1557 }
AzureIoTClient 4:98007eb79fa8 1558 }
Azure.IoT Build 0:6ae2f7bca550 1559
AzureIoTClient 4:98007eb79fa8 1560 /* 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 1561 /* Codes_SRS_CONNECTION_01_131: [Any incoming channel number associated with the endpoint shall be released.] */
AzureIoTClient 4:98007eb79fa8 1562 if (i < connection->endpoint_count)
AzureIoTClient 4:98007eb79fa8 1563 {
AzureIoTClient 4:98007eb79fa8 1564 (void)memmove(connection->endpoints + i, connection->endpoints + i + 1, sizeof(ENDPOINT_INSTANCE*) * (connection->endpoint_count - i - 1));
Azure.IoT Build 0:6ae2f7bca550 1565
AzureIoTClient 4:98007eb79fa8 1566 ENDPOINT_INSTANCE** new_endpoints = (ENDPOINT_INSTANCE**)amqpalloc_realloc(connection->endpoints, (connection->endpoint_count - 1) * sizeof(ENDPOINT_INSTANCE*));
AzureIoTClient 4:98007eb79fa8 1567 if (new_endpoints != NULL)
AzureIoTClient 4:98007eb79fa8 1568 {
AzureIoTClient 4:98007eb79fa8 1569 connection->endpoints = new_endpoints;
AzureIoTClient 4:98007eb79fa8 1570 }
Azure.IoT Build 0:6ae2f7bca550 1571
AzureIoTClient 4:98007eb79fa8 1572 connection->endpoint_count--;
AzureIoTClient 4:98007eb79fa8 1573 }
Azure.IoT Build 0:6ae2f7bca550 1574
AzureIoTClient 4:98007eb79fa8 1575 amqpalloc_free(endpoint);
AzureIoTClient 4:98007eb79fa8 1576 }
Azure.IoT Build 0:6ae2f7bca550 1577 }
Azure.IoT Build 0:6ae2f7bca550 1578
Azure.IoT Build 0:6ae2f7bca550 1579 /* Codes_SRS_CONNECTION_01_247: [connection_encode_frame shall send a frame for a certain endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 1580 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 1581 {
AzureIoTClient 4:98007eb79fa8 1582 int result;
Azure.IoT Build 0:6ae2f7bca550 1583
AzureIoTClient 4:98007eb79fa8 1584 /* 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 1585 if ((endpoint == NULL) ||
AzureIoTClient 4:98007eb79fa8 1586 (performative == NULL))
AzureIoTClient 4:98007eb79fa8 1587 {
AzureIoTClient 4:98007eb79fa8 1588 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1589 }
AzureIoTClient 4:98007eb79fa8 1590 else
AzureIoTClient 4:98007eb79fa8 1591 {
AzureIoTClient 4:98007eb79fa8 1592 CONNECTION_INSTANCE* connection = (CONNECTION_INSTANCE*)endpoint->connection;
AzureIoTClient 4:98007eb79fa8 1593 AMQP_FRAME_CODEC_HANDLE amqp_frame_codec = connection->amqp_frame_codec;
Azure.IoT Build 0:6ae2f7bca550 1594
AzureIoTClient 4:98007eb79fa8 1595 /* 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 1596 if (connection->connection_state != CONNECTION_STATE_OPENED)
AzureIoTClient 4:98007eb79fa8 1597 {
AzureIoTClient 4:98007eb79fa8 1598 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1599 }
AzureIoTClient 4:98007eb79fa8 1600 else
AzureIoTClient 4:98007eb79fa8 1601 {
AzureIoTClient 4:98007eb79fa8 1602 /* 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 1603 /* Codes_SRS_CONNECTION_01_250: [connection_encode_frame shall initiate the frame send by calling amqp_frame_codec_begin_encode_frame.] */
AzureIoTClient 4:98007eb79fa8 1604 /* 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 1605 /* 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 1606 connection->on_send_complete = on_send_complete;
AzureIoTClient 4:98007eb79fa8 1607 connection->on_send_complete_callback_context = callback_context;
AzureIoTClient 4:98007eb79fa8 1608 if (amqp_frame_codec_encode_frame(amqp_frame_codec, endpoint->outgoing_channel, performative, payloads, payload_count, on_bytes_encoded, connection) != 0)
AzureIoTClient 4:98007eb79fa8 1609 {
AzureIoTClient 4:98007eb79fa8 1610 /* 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 1611 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1612 }
AzureIoTClient 4:98007eb79fa8 1613 else
AzureIoTClient 4:98007eb79fa8 1614 {
AzureIoTClient 4:98007eb79fa8 1615 if (connection->is_trace_on == 1)
AzureIoTClient 4:98007eb79fa8 1616 {
Azure.IoT Build 5:ae49385aff34 1617 log_outgoing_frame(performative);
AzureIoTClient 4:98007eb79fa8 1618 }
Azure.IoT Build 5:ae49385aff34 1619
AzureIoTClient 4:98007eb79fa8 1620 if (tickcounter_get_current_ms(connection->tick_counter, &connection->last_frame_sent_time) != 0)
AzureIoTClient 4:98007eb79fa8 1621 {
AzureIoTClient 4:98007eb79fa8 1622 result = __LINE__;
AzureIoTClient 4:98007eb79fa8 1623 }
AzureIoTClient 4:98007eb79fa8 1624 else
AzureIoTClient 4:98007eb79fa8 1625 {
AzureIoTClient 4:98007eb79fa8 1626 /* Codes_SRS_CONNECTION_01_248: [On success it shall return 0.] */
AzureIoTClient 4:98007eb79fa8 1627 result = 0;
AzureIoTClient 4:98007eb79fa8 1628 }
AzureIoTClient 4:98007eb79fa8 1629 }
AzureIoTClient 4:98007eb79fa8 1630 }
AzureIoTClient 4:98007eb79fa8 1631 }
Azure.IoT Build 0:6ae2f7bca550 1632
AzureIoTClient 4:98007eb79fa8 1633 return result;
Azure.IoT Build 0:6ae2f7bca550 1634 }
AzureIoTClient 4:98007eb79fa8 1635
AzureIoTClient 4:98007eb79fa8 1636 void connection_set_trace(CONNECTION_HANDLE connection, bool traceOn)
AzureIoTClient 4:98007eb79fa8 1637 {
AzureIoTClient 4:98007eb79fa8 1638 /* Codes_SRS_CONNECTION_07_002: [If connection is NULL then connection_set_trace shall do nothing.] */
AzureIoTClient 4:98007eb79fa8 1639 if (connection != NULL)
AzureIoTClient 4:98007eb79fa8 1640 {
AzureIoTClient 4:98007eb79fa8 1641 /* Codes_SRS_CONNECTION_07_001: [connection_set_trace shall set the ability to turn on and off trace logging.] */
AzureIoTClient 4:98007eb79fa8 1642 connection->is_trace_on = traceOn ? 1 : 0;
AzureIoTClient 4:98007eb79fa8 1643 }
AzureIoTClient 4:98007eb79fa8 1644 }