Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

connection.c@17:923575db8b2d, 2017-01-24 (annotated)

Committer:
AzureIoTClient
Date:
Tue Jan 24 15:23:52 2017 -0800
Revision:
17:923575db8b2d
Parent:
16:22a72cf8e416
Child:
19:000ab4e6a2c1
1.1.5

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