Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

session.c@0:6ae2f7bca550, 2016-04-08 (annotated)

Committer:
Azure.IoT Build
Date:
Fri Apr 08 12:01:10 2016 -0700
Revision:
0:6ae2f7bca550
Child:
1:eab586236bfe
1.0.4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #ifdef _CRTDBG_MAP_ALLOC
Azure.IoT Build 0:6ae2f7bca550 6 #include <crtdbg.h>
Azure.IoT Build 0:6ae2f7bca550 7 #endif
Azure.IoT Build 0:6ae2f7bca550 8 #include <string.h>
Azure.IoT Build 0:6ae2f7bca550 9 #include "azure_uamqp_c/session.h"
Azure.IoT Build 0:6ae2f7bca550 10 #include "azure_uamqp_c/connection.h"
Azure.IoT Build 0:6ae2f7bca550 11 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 12 #include "azure_uamqp_c/consolelogger.h"
Azure.IoT Build 0:6ae2f7bca550 13 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 14
Azure.IoT Build 0:6ae2f7bca550 15 typedef struct LINK_ENDPOINT_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 16 {
Azure.IoT Build 0:6ae2f7bca550 17 char* name;
Azure.IoT Build 0:6ae2f7bca550 18 handle input_handle;
Azure.IoT Build 0:6ae2f7bca550 19 handle output_handle;
Azure.IoT Build 0:6ae2f7bca550 20 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
Azure.IoT Build 0:6ae2f7bca550 21 ON_SESSION_STATE_CHANGED on_session_state_changed;
Azure.IoT Build 0:6ae2f7bca550 22 ON_SESSION_FLOW_ON on_session_flow_on;
Azure.IoT Build 0:6ae2f7bca550 23 void* callback_context;
Azure.IoT Build 0:6ae2f7bca550 24 SESSION_HANDLE session;
Azure.IoT Build 0:6ae2f7bca550 25 } LINK_ENDPOINT_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 26
Azure.IoT Build 0:6ae2f7bca550 27 typedef struct SESSION_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 28 {
Azure.IoT Build 0:6ae2f7bca550 29 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
Azure.IoT Build 0:6ae2f7bca550 30 void* frame_received_callback_context;
Azure.IoT Build 0:6ae2f7bca550 31 SESSION_STATE session_state;
Azure.IoT Build 0:6ae2f7bca550 32 SESSION_STATE previous_session_state;
Azure.IoT Build 0:6ae2f7bca550 33 CONNECTION_HANDLE connection;
Azure.IoT Build 0:6ae2f7bca550 34 ENDPOINT_HANDLE endpoint;
Azure.IoT Build 0:6ae2f7bca550 35 LINK_ENDPOINT_INSTANCE** link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 36 uint32_t link_endpoint_count;
Azure.IoT Build 0:6ae2f7bca550 37
Azure.IoT Build 0:6ae2f7bca550 38 ON_LINK_ATTACHED on_link_attached;
Azure.IoT Build 0:6ae2f7bca550 39 void* on_link_attached_callback_context;
Azure.IoT Build 0:6ae2f7bca550 40
Azure.IoT Build 0:6ae2f7bca550 41 /* Codes_SRS_SESSION_01_016: [next-outgoing-id The next-outgoing-id is the transfer-id to assign to the next transfer frame.] */
Azure.IoT Build 0:6ae2f7bca550 42 transfer_number next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 43 transfer_number next_incoming_id;
Azure.IoT Build 0:6ae2f7bca550 44 uint32_t desired_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 45 uint32_t incoming_window;
Azure.IoT Build 0:6ae2f7bca550 46 uint32_t outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 47 handle handle_max;
Azure.IoT Build 0:6ae2f7bca550 48 uint32_t remote_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 49 uint32_t remote_outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 50 unsigned char is_underlying_connection_open : 1;
Azure.IoT Build 0:6ae2f7bca550 51 } SESSION_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 52
Azure.IoT Build 0:6ae2f7bca550 53 static void session_set_state(SESSION_INSTANCE* session_instance, SESSION_STATE session_state)
Azure.IoT Build 0:6ae2f7bca550 54 {
Azure.IoT Build 0:6ae2f7bca550 55 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 56
Azure.IoT Build 0:6ae2f7bca550 57 session_instance->previous_session_state = session_instance->session_state;
Azure.IoT Build 0:6ae2f7bca550 58 session_instance->session_state = session_state;
Azure.IoT Build 0:6ae2f7bca550 59
Azure.IoT Build 0:6ae2f7bca550 60 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 61 {
Azure.IoT Build 0:6ae2f7bca550 62 if (session_instance->link_endpoints[i]->on_session_state_changed != NULL)
Azure.IoT Build 0:6ae2f7bca550 63 {
Azure.IoT Build 0:6ae2f7bca550 64 session_instance->link_endpoints[i]->on_session_state_changed(session_instance->link_endpoints[i]->callback_context, session_state, session_instance->previous_session_state);
Azure.IoT Build 0:6ae2f7bca550 65 }
Azure.IoT Build 0:6ae2f7bca550 66 }
Azure.IoT Build 0:6ae2f7bca550 67 }
Azure.IoT Build 0:6ae2f7bca550 68
Azure.IoT Build 0:6ae2f7bca550 69 static int send_end_frame(SESSION_INSTANCE* session_instance, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 70 {
Azure.IoT Build 0:6ae2f7bca550 71 int result;
Azure.IoT Build 0:6ae2f7bca550 72 END_HANDLE end_performative;
Azure.IoT Build 0:6ae2f7bca550 73
Azure.IoT Build 0:6ae2f7bca550 74 end_performative = end_create();
Azure.IoT Build 0:6ae2f7bca550 75 if (end_performative == NULL)
Azure.IoT Build 0:6ae2f7bca550 76 {
Azure.IoT Build 0:6ae2f7bca550 77 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 78 }
Azure.IoT Build 0:6ae2f7bca550 79 else
Azure.IoT Build 0:6ae2f7bca550 80 {
Azure.IoT Build 0:6ae2f7bca550 81 if ((error_handle != NULL) &&
Azure.IoT Build 0:6ae2f7bca550 82 (end_set_error(end_performative, error_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 83 {
Azure.IoT Build 0:6ae2f7bca550 84 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 85 }
Azure.IoT Build 0:6ae2f7bca550 86 else
Azure.IoT Build 0:6ae2f7bca550 87 {
Azure.IoT Build 0:6ae2f7bca550 88 AMQP_VALUE end_performative_value = amqpvalue_create_end(end_performative);
Azure.IoT Build 0:6ae2f7bca550 89 if (end_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 90 {
Azure.IoT Build 0:6ae2f7bca550 91 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 92 }
Azure.IoT Build 0:6ae2f7bca550 93 else
Azure.IoT Build 0:6ae2f7bca550 94 {
Azure.IoT Build 0:6ae2f7bca550 95 if (connection_encode_frame(session_instance->endpoint, end_performative_value, NULL, 0, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 96 {
Azure.IoT Build 0:6ae2f7bca550 97 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 98 }
Azure.IoT Build 0:6ae2f7bca550 99 else
Azure.IoT Build 0:6ae2f7bca550 100 {
Azure.IoT Build 0:6ae2f7bca550 101 result = 0;
Azure.IoT Build 0:6ae2f7bca550 102 }
Azure.IoT Build 0:6ae2f7bca550 103
Azure.IoT Build 0:6ae2f7bca550 104 amqpvalue_destroy(end_performative_value);
Azure.IoT Build 0:6ae2f7bca550 105 }
Azure.IoT Build 0:6ae2f7bca550 106 }
Azure.IoT Build 0:6ae2f7bca550 107
Azure.IoT Build 0:6ae2f7bca550 108 end_destroy(end_performative);
Azure.IoT Build 0:6ae2f7bca550 109 }
Azure.IoT Build 0:6ae2f7bca550 110
Azure.IoT Build 0:6ae2f7bca550 111 return result;
Azure.IoT Build 0:6ae2f7bca550 112 }
Azure.IoT Build 0:6ae2f7bca550 113
Azure.IoT Build 0:6ae2f7bca550 114 static void end_session_with_error(SESSION_INSTANCE* session_instance, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 115 {
Azure.IoT Build 0:6ae2f7bca550 116 ERROR_HANDLE error_handle = error_create(condition_value);
Azure.IoT Build 0:6ae2f7bca550 117 if (error_handle == NULL)
Azure.IoT Build 0:6ae2f7bca550 118 {
Azure.IoT Build 0:6ae2f7bca550 119 /* fatal error */
Azure.IoT Build 0:6ae2f7bca550 120 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 121 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session");
Azure.IoT Build 0:6ae2f7bca550 122 }
Azure.IoT Build 0:6ae2f7bca550 123 else
Azure.IoT Build 0:6ae2f7bca550 124 {
Azure.IoT Build 0:6ae2f7bca550 125 if ((error_set_description(error_handle, description) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 126 (send_end_frame(session_instance, error_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 127 {
Azure.IoT Build 0:6ae2f7bca550 128 /* fatal error */
Azure.IoT Build 0:6ae2f7bca550 129 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 130 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session");
Azure.IoT Build 0:6ae2f7bca550 131 }
Azure.IoT Build 0:6ae2f7bca550 132 else
Azure.IoT Build 0:6ae2f7bca550 133 {
Azure.IoT Build 0:6ae2f7bca550 134 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 135 }
Azure.IoT Build 0:6ae2f7bca550 136
Azure.IoT Build 0:6ae2f7bca550 137 error_destroy(error_handle);
Azure.IoT Build 0:6ae2f7bca550 138 }
Azure.IoT Build 0:6ae2f7bca550 139 }
Azure.IoT Build 0:6ae2f7bca550 140
Azure.IoT Build 0:6ae2f7bca550 141 static int send_begin(SESSION_INSTANCE* session_instance)
Azure.IoT Build 0:6ae2f7bca550 142 {
Azure.IoT Build 0:6ae2f7bca550 143 int result;
Azure.IoT Build 0:6ae2f7bca550 144 BEGIN_HANDLE begin = begin_create(session_instance->next_outgoing_id, session_instance->incoming_window, session_instance->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 145
Azure.IoT Build 0:6ae2f7bca550 146 if (begin == NULL)
Azure.IoT Build 0:6ae2f7bca550 147 {
Azure.IoT Build 0:6ae2f7bca550 148 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 149 }
Azure.IoT Build 0:6ae2f7bca550 150 else
Azure.IoT Build 0:6ae2f7bca550 151 {
Azure.IoT Build 0:6ae2f7bca550 152 uint16_t remote_channel;
Azure.IoT Build 0:6ae2f7bca550 153 if (begin_set_handle_max(begin, session_instance->handle_max) != 0)
Azure.IoT Build 0:6ae2f7bca550 154 {
Azure.IoT Build 0:6ae2f7bca550 155 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 156 }
Azure.IoT Build 0:6ae2f7bca550 157 else if ((session_instance->session_state == SESSION_STATE_BEGIN_RCVD) &&
Azure.IoT Build 0:6ae2f7bca550 158 ((connection_endpoint_get_incoming_channel(session_instance->endpoint, &remote_channel) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 159 (begin_set_remote_channel(begin, remote_channel) != 0)))
Azure.IoT Build 0:6ae2f7bca550 160 {
Azure.IoT Build 0:6ae2f7bca550 161 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 162 }
Azure.IoT Build 0:6ae2f7bca550 163 else
Azure.IoT Build 0:6ae2f7bca550 164 {
Azure.IoT Build 0:6ae2f7bca550 165 AMQP_VALUE begin_performative_value = amqpvalue_create_begin(begin);
Azure.IoT Build 0:6ae2f7bca550 166 if (begin_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 167 {
Azure.IoT Build 0:6ae2f7bca550 168 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 169 }
Azure.IoT Build 0:6ae2f7bca550 170 else
Azure.IoT Build 0:6ae2f7bca550 171 {
Azure.IoT Build 0:6ae2f7bca550 172 if (connection_encode_frame(session_instance->endpoint, begin_performative_value, NULL, 0, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 173 {
Azure.IoT Build 0:6ae2f7bca550 174 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 175 }
Azure.IoT Build 0:6ae2f7bca550 176 else
Azure.IoT Build 0:6ae2f7bca550 177 {
Azure.IoT Build 0:6ae2f7bca550 178 result = 0;
Azure.IoT Build 0:6ae2f7bca550 179 }
Azure.IoT Build 0:6ae2f7bca550 180
Azure.IoT Build 0:6ae2f7bca550 181 amqpvalue_destroy(begin_performative_value);
Azure.IoT Build 0:6ae2f7bca550 182 }
Azure.IoT Build 0:6ae2f7bca550 183 }
Azure.IoT Build 0:6ae2f7bca550 184
Azure.IoT Build 0:6ae2f7bca550 185 begin_destroy(begin);
Azure.IoT Build 0:6ae2f7bca550 186 }
Azure.IoT Build 0:6ae2f7bca550 187
Azure.IoT Build 0:6ae2f7bca550 188 return result;
Azure.IoT Build 0:6ae2f7bca550 189 }
Azure.IoT Build 0:6ae2f7bca550 190
Azure.IoT Build 0:6ae2f7bca550 191 static int send_flow(SESSION_INSTANCE* session)
Azure.IoT Build 0:6ae2f7bca550 192 {
Azure.IoT Build 0:6ae2f7bca550 193 int result;
Azure.IoT Build 0:6ae2f7bca550 194 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 195 {
Azure.IoT Build 0:6ae2f7bca550 196 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 197 }
Azure.IoT Build 0:6ae2f7bca550 198 else
Azure.IoT Build 0:6ae2f7bca550 199 {
Azure.IoT Build 0:6ae2f7bca550 200 FLOW_HANDLE flow = flow_create(session->incoming_window, session->next_outgoing_id, session->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 201
Azure.IoT Build 0:6ae2f7bca550 202 if (flow == NULL)
Azure.IoT Build 0:6ae2f7bca550 203 {
Azure.IoT Build 0:6ae2f7bca550 204 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 205 }
Azure.IoT Build 0:6ae2f7bca550 206 else
Azure.IoT Build 0:6ae2f7bca550 207 {
Azure.IoT Build 0:6ae2f7bca550 208 if (flow_set_next_incoming_id(flow, session->next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 209 {
Azure.IoT Build 0:6ae2f7bca550 210 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 211 }
Azure.IoT Build 0:6ae2f7bca550 212 else
Azure.IoT Build 0:6ae2f7bca550 213 {
Azure.IoT Build 0:6ae2f7bca550 214 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
Azure.IoT Build 0:6ae2f7bca550 215 if (flow_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 216 {
Azure.IoT Build 0:6ae2f7bca550 217 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 218 }
Azure.IoT Build 0:6ae2f7bca550 219 else
Azure.IoT Build 0:6ae2f7bca550 220 {
Azure.IoT Build 0:6ae2f7bca550 221 if (connection_encode_frame(session->endpoint, flow_performative_value, NULL, 0, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 222 {
Azure.IoT Build 0:6ae2f7bca550 223 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 224 }
Azure.IoT Build 0:6ae2f7bca550 225 else
Azure.IoT Build 0:6ae2f7bca550 226 {
Azure.IoT Build 0:6ae2f7bca550 227 result = 0;
Azure.IoT Build 0:6ae2f7bca550 228 }
Azure.IoT Build 0:6ae2f7bca550 229
Azure.IoT Build 0:6ae2f7bca550 230 amqpvalue_destroy(flow_performative_value);
Azure.IoT Build 0:6ae2f7bca550 231 }
Azure.IoT Build 0:6ae2f7bca550 232 }
Azure.IoT Build 0:6ae2f7bca550 233
Azure.IoT Build 0:6ae2f7bca550 234 flow_destroy(flow);
Azure.IoT Build 0:6ae2f7bca550 235 }
Azure.IoT Build 0:6ae2f7bca550 236 }
Azure.IoT Build 0:6ae2f7bca550 237
Azure.IoT Build 0:6ae2f7bca550 238 return result;
Azure.IoT Build 0:6ae2f7bca550 239 }
Azure.IoT Build 0:6ae2f7bca550 240
Azure.IoT Build 0:6ae2f7bca550 241 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_name(SESSION_INSTANCE* session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 242 {
Azure.IoT Build 0:6ae2f7bca550 243 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 244 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 245
Azure.IoT Build 0:6ae2f7bca550 246 for (i = 0; i < session->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 247 {
Azure.IoT Build 0:6ae2f7bca550 248 if (strcmp(session->link_endpoints[i]->name, name) == 0)
Azure.IoT Build 0:6ae2f7bca550 249 {
Azure.IoT Build 0:6ae2f7bca550 250 break;
Azure.IoT Build 0:6ae2f7bca550 251 }
Azure.IoT Build 0:6ae2f7bca550 252 }
Azure.IoT Build 0:6ae2f7bca550 253
Azure.IoT Build 0:6ae2f7bca550 254 if (i == session->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 255 {
Azure.IoT Build 0:6ae2f7bca550 256 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 257 }
Azure.IoT Build 0:6ae2f7bca550 258 else
Azure.IoT Build 0:6ae2f7bca550 259 {
Azure.IoT Build 0:6ae2f7bca550 260 result = session->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 261 }
Azure.IoT Build 0:6ae2f7bca550 262
Azure.IoT Build 0:6ae2f7bca550 263 return result;
Azure.IoT Build 0:6ae2f7bca550 264 }
Azure.IoT Build 0:6ae2f7bca550 265
Azure.IoT Build 0:6ae2f7bca550 266 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_input_handle(SESSION_INSTANCE* session, handle input_handle)
Azure.IoT Build 0:6ae2f7bca550 267 {
Azure.IoT Build 0:6ae2f7bca550 268 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 269 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 270
Azure.IoT Build 0:6ae2f7bca550 271 for (i = 0; i < session->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 272 {
Azure.IoT Build 0:6ae2f7bca550 273 if (session->link_endpoints[i]->input_handle == input_handle)
Azure.IoT Build 0:6ae2f7bca550 274 {
Azure.IoT Build 0:6ae2f7bca550 275 break;
Azure.IoT Build 0:6ae2f7bca550 276 }
Azure.IoT Build 0:6ae2f7bca550 277 }
Azure.IoT Build 0:6ae2f7bca550 278
Azure.IoT Build 0:6ae2f7bca550 279 if (i == session->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 280 {
Azure.IoT Build 0:6ae2f7bca550 281 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 282 }
Azure.IoT Build 0:6ae2f7bca550 283 else
Azure.IoT Build 0:6ae2f7bca550 284 {
Azure.IoT Build 0:6ae2f7bca550 285 result = session->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 286 }
Azure.IoT Build 0:6ae2f7bca550 287
Azure.IoT Build 0:6ae2f7bca550 288 return result;
Azure.IoT Build 0:6ae2f7bca550 289 }
Azure.IoT Build 0:6ae2f7bca550 290
Azure.IoT Build 0:6ae2f7bca550 291 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_output_handle(SESSION_INSTANCE* session, handle output_handle)
Azure.IoT Build 0:6ae2f7bca550 292 {
Azure.IoT Build 0:6ae2f7bca550 293 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 294 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 295
Azure.IoT Build 0:6ae2f7bca550 296 for (i = 0; i < session->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 297 {
Azure.IoT Build 0:6ae2f7bca550 298 if (session->link_endpoints[i]->output_handle == output_handle)
Azure.IoT Build 0:6ae2f7bca550 299 {
Azure.IoT Build 0:6ae2f7bca550 300 break;
Azure.IoT Build 0:6ae2f7bca550 301 }
Azure.IoT Build 0:6ae2f7bca550 302 }
Azure.IoT Build 0:6ae2f7bca550 303
Azure.IoT Build 0:6ae2f7bca550 304 if (i == session->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 305 {
Azure.IoT Build 0:6ae2f7bca550 306 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 307 }
Azure.IoT Build 0:6ae2f7bca550 308 else
Azure.IoT Build 0:6ae2f7bca550 309 {
Azure.IoT Build 0:6ae2f7bca550 310 result = session->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 311 }
Azure.IoT Build 0:6ae2f7bca550 312
Azure.IoT Build 0:6ae2f7bca550 313 return result;
Azure.IoT Build 0:6ae2f7bca550 314 }
Azure.IoT Build 0:6ae2f7bca550 315
Azure.IoT Build 0:6ae2f7bca550 316 static void on_connection_state_changed(void* context, CONNECTION_STATE new_connection_state, CONNECTION_STATE previous_connection_state)
Azure.IoT Build 0:6ae2f7bca550 317 {
Azure.IoT Build 0:6ae2f7bca550 318 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 319
Azure.IoT Build 0:6ae2f7bca550 320 /* Codes_SRS_SESSION_01_060: [If the previous connection state is not OPENED and the new connection state is OPENED, the BEGIN frame shall be sent out and the state shall be switched to BEGIN_SENT.] */
Azure.IoT Build 0:6ae2f7bca550 321 if ((new_connection_state == CONNECTION_STATE_OPENED) && (previous_connection_state != CONNECTION_STATE_OPENED) && (session_instance->session_state == SESSION_STATE_UNMAPPED))
Azure.IoT Build 0:6ae2f7bca550 322 {
Azure.IoT Build 0:6ae2f7bca550 323 if (send_begin(session_instance) == 0)
Azure.IoT Build 0:6ae2f7bca550 324 {
Azure.IoT Build 0:6ae2f7bca550 325 session_set_state(session_instance, SESSION_STATE_BEGIN_SENT);
Azure.IoT Build 0:6ae2f7bca550 326 }
Azure.IoT Build 0:6ae2f7bca550 327 }
Azure.IoT Build 0:6ae2f7bca550 328 /* Codes_SRS_SESSION_01_061: [If the previous connection state is OPENED and the new connection state is not OPENED anymore, the state shall be switched to DISCARDING.] */
Azure.IoT Build 0:6ae2f7bca550 329 else if ((new_connection_state == CONNECTION_STATE_CLOSE_RCVD) || (new_connection_state == CONNECTION_STATE_END))
Azure.IoT Build 0:6ae2f7bca550 330 {
Azure.IoT Build 0:6ae2f7bca550 331 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 332 }
Azure.IoT Build 0:6ae2f7bca550 333 }
Azure.IoT Build 0:6ae2f7bca550 334
Azure.IoT Build 0:6ae2f7bca550 335 static void on_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes)
Azure.IoT Build 0:6ae2f7bca550 336 {
Azure.IoT Build 0:6ae2f7bca550 337 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 338 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
Azure.IoT Build 0:6ae2f7bca550 339
Azure.IoT Build 0:6ae2f7bca550 340 if (is_begin_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 341 {
Azure.IoT Build 0:6ae2f7bca550 342 BEGIN_HANDLE begin_handle;
Azure.IoT Build 0:6ae2f7bca550 343
Azure.IoT Build 0:6ae2f7bca550 344 if (amqpvalue_get_begin(performative, &begin_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 345 {
Azure.IoT Build 0:6ae2f7bca550 346 connection_close(session_instance->connection, "amqp:decode-error", "Cannot decode BEGIN frame");
Azure.IoT Build 0:6ae2f7bca550 347 }
Azure.IoT Build 0:6ae2f7bca550 348 else
Azure.IoT Build 0:6ae2f7bca550 349 {
Azure.IoT Build 0:6ae2f7bca550 350 if ((begin_get_incoming_window(begin_handle, &session_instance->remote_incoming_window) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 351 (begin_get_next_outgoing_id(begin_handle, &session_instance->next_incoming_id) != 0))
Azure.IoT Build 0:6ae2f7bca550 352 {
Azure.IoT Build 0:6ae2f7bca550 353 /* error */
Azure.IoT Build 0:6ae2f7bca550 354 begin_destroy(begin_handle);
Azure.IoT Build 0:6ae2f7bca550 355 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 356 connection_close(session_instance->connection, "amqp:decode-error", "Cannot get incoming windows and next outgoing id");
Azure.IoT Build 0:6ae2f7bca550 357 }
Azure.IoT Build 0:6ae2f7bca550 358 else
Azure.IoT Build 0:6ae2f7bca550 359 {
Azure.IoT Build 0:6ae2f7bca550 360 begin_destroy(begin_handle);
Azure.IoT Build 0:6ae2f7bca550 361
Azure.IoT Build 0:6ae2f7bca550 362 if (session_instance->session_state == SESSION_STATE_BEGIN_SENT)
Azure.IoT Build 0:6ae2f7bca550 363 {
Azure.IoT Build 0:6ae2f7bca550 364 session_set_state(session_instance, SESSION_STATE_MAPPED);
Azure.IoT Build 0:6ae2f7bca550 365 }
Azure.IoT Build 0:6ae2f7bca550 366 else if(session_instance->session_state == SESSION_STATE_UNMAPPED)
Azure.IoT Build 0:6ae2f7bca550 367 {
Azure.IoT Build 0:6ae2f7bca550 368 session_set_state(session_instance, SESSION_STATE_BEGIN_RCVD);
Azure.IoT Build 0:6ae2f7bca550 369 if (send_begin(session_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 370 {
Azure.IoT Build 0:6ae2f7bca550 371 connection_close(session_instance->connection, "amqp:internal-error", "Failed sending BEGIN frame");
Azure.IoT Build 0:6ae2f7bca550 372 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 373 }
Azure.IoT Build 0:6ae2f7bca550 374 else
Azure.IoT Build 0:6ae2f7bca550 375 {
Azure.IoT Build 0:6ae2f7bca550 376 session_set_state(session_instance, SESSION_STATE_MAPPED);
Azure.IoT Build 0:6ae2f7bca550 377 }
Azure.IoT Build 0:6ae2f7bca550 378 }
Azure.IoT Build 0:6ae2f7bca550 379 }
Azure.IoT Build 0:6ae2f7bca550 380 }
Azure.IoT Build 0:6ae2f7bca550 381 }
Azure.IoT Build 0:6ae2f7bca550 382 else if (is_attach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 383 {
Azure.IoT Build 0:6ae2f7bca550 384 const char* name = NULL;
Azure.IoT Build 0:6ae2f7bca550 385 ATTACH_HANDLE attach_handle;
Azure.IoT Build 0:6ae2f7bca550 386
Azure.IoT Build 0:6ae2f7bca550 387 if (amqpvalue_get_attach(performative, &attach_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 388 {
Azure.IoT Build 0:6ae2f7bca550 389 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 390 }
Azure.IoT Build 0:6ae2f7bca550 391 else
Azure.IoT Build 0:6ae2f7bca550 392 {
Azure.IoT Build 0:6ae2f7bca550 393 role role;
Azure.IoT Build 0:6ae2f7bca550 394 AMQP_VALUE source;
Azure.IoT Build 0:6ae2f7bca550 395 AMQP_VALUE target;
Azure.IoT Build 0:6ae2f7bca550 396
Azure.IoT Build 0:6ae2f7bca550 397 if ((attach_get_name(attach_handle, &name) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 398 (attach_get_role(attach_handle, &role) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 399 (attach_get_source(attach_handle, &source) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 400 (attach_get_target(attach_handle, &target) != 0))
Azure.IoT Build 0:6ae2f7bca550 401 {
Azure.IoT Build 0:6ae2f7bca550 402 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link name from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 403 }
Azure.IoT Build 0:6ae2f7bca550 404 else
Azure.IoT Build 0:6ae2f7bca550 405 {
Azure.IoT Build 0:6ae2f7bca550 406 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_name(session_instance, name);
Azure.IoT Build 0:6ae2f7bca550 407 if (link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 408 {
Azure.IoT Build 0:6ae2f7bca550 409 /* new link attach */
Azure.IoT Build 0:6ae2f7bca550 410 if (session_instance->on_link_attached != NULL)
Azure.IoT Build 0:6ae2f7bca550 411 {
Azure.IoT Build 0:6ae2f7bca550 412 LINK_ENDPOINT_HANDLE new_link_endpoint = session_create_link_endpoint(session_instance, name);
Azure.IoT Build 0:6ae2f7bca550 413 if (new_link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 414 {
Azure.IoT Build 0:6ae2f7bca550 415 end_session_with_error(session_instance, "amqp:internal-error", "Cannot create link endpoint");
Azure.IoT Build 0:6ae2f7bca550 416 }
Azure.IoT Build 0:6ae2f7bca550 417 else if (attach_get_handle(attach_handle, &new_link_endpoint->input_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 418 {
Azure.IoT Build 0:6ae2f7bca550 419 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 420 }
Azure.IoT Build 0:6ae2f7bca550 421 else
Azure.IoT Build 0:6ae2f7bca550 422 {
Azure.IoT Build 0:6ae2f7bca550 423 if (!session_instance->on_link_attached(session_instance->on_link_attached_callback_context, new_link_endpoint, name, role, source, target))
Azure.IoT Build 0:6ae2f7bca550 424 {
Azure.IoT Build 0:6ae2f7bca550 425 session_destroy_link_endpoint(new_link_endpoint);
Azure.IoT Build 0:6ae2f7bca550 426 new_link_endpoint = NULL;
Azure.IoT Build 0:6ae2f7bca550 427 }
Azure.IoT Build 0:6ae2f7bca550 428 else
Azure.IoT Build 0:6ae2f7bca550 429 {
Azure.IoT Build 0:6ae2f7bca550 430 if (new_link_endpoint->frame_received_callback != NULL)
Azure.IoT Build 0:6ae2f7bca550 431 {
Azure.IoT Build 0:6ae2f7bca550 432 new_link_endpoint->frame_received_callback(new_link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 433 }
Azure.IoT Build 0:6ae2f7bca550 434 }
Azure.IoT Build 0:6ae2f7bca550 435 }
Azure.IoT Build 0:6ae2f7bca550 436 }
Azure.IoT Build 0:6ae2f7bca550 437 }
Azure.IoT Build 0:6ae2f7bca550 438 else
Azure.IoT Build 0:6ae2f7bca550 439 {
Azure.IoT Build 0:6ae2f7bca550 440 if (attach_get_handle(attach_handle, &link_endpoint->input_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 441 {
Azure.IoT Build 0:6ae2f7bca550 442 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 443 }
Azure.IoT Build 0:6ae2f7bca550 444 else
Azure.IoT Build 0:6ae2f7bca550 445 {
Azure.IoT Build 0:6ae2f7bca550 446 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 447 }
Azure.IoT Build 0:6ae2f7bca550 448 }
Azure.IoT Build 0:6ae2f7bca550 449 }
Azure.IoT Build 0:6ae2f7bca550 450
Azure.IoT Build 0:6ae2f7bca550 451 attach_destroy(attach_handle);
Azure.IoT Build 0:6ae2f7bca550 452 }
Azure.IoT Build 0:6ae2f7bca550 453 }
Azure.IoT Build 0:6ae2f7bca550 454 else if (is_detach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 455 {
Azure.IoT Build 0:6ae2f7bca550 456 DETACH_HANDLE detach_handle;
Azure.IoT Build 0:6ae2f7bca550 457
Azure.IoT Build 0:6ae2f7bca550 458 if (amqpvalue_get_detach(performative, &detach_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 459 {
Azure.IoT Build 0:6ae2f7bca550 460 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode DETACH frame");
Azure.IoT Build 0:6ae2f7bca550 461 }
Azure.IoT Build 0:6ae2f7bca550 462 else
Azure.IoT Build 0:6ae2f7bca550 463 {
Azure.IoT Build 0:6ae2f7bca550 464 uint32_t remote_handle;
Azure.IoT Build 0:6ae2f7bca550 465 if (detach_get_handle(detach_handle, &remote_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 466 {
Azure.IoT Build 0:6ae2f7bca550 467 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from DETACH frame");
Azure.IoT Build 0:6ae2f7bca550 468
Azure.IoT Build 0:6ae2f7bca550 469 detach_destroy(detach_handle);
Azure.IoT Build 0:6ae2f7bca550 470 }
Azure.IoT Build 0:6ae2f7bca550 471 else
Azure.IoT Build 0:6ae2f7bca550 472 {
Azure.IoT Build 0:6ae2f7bca550 473 detach_destroy(detach_handle);
Azure.IoT Build 0:6ae2f7bca550 474
Azure.IoT Build 0:6ae2f7bca550 475 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
Azure.IoT Build 0:6ae2f7bca550 476 if (link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 477 {
Azure.IoT Build 0:6ae2f7bca550 478 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
Azure.IoT Build 0:6ae2f7bca550 479 }
Azure.IoT Build 0:6ae2f7bca550 480 else
Azure.IoT Build 0:6ae2f7bca550 481 {
Azure.IoT Build 0:6ae2f7bca550 482 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 483 }
Azure.IoT Build 0:6ae2f7bca550 484 }
Azure.IoT Build 0:6ae2f7bca550 485 }
Azure.IoT Build 0:6ae2f7bca550 486 }
Azure.IoT Build 0:6ae2f7bca550 487 else if (is_flow_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 488 {
Azure.IoT Build 0:6ae2f7bca550 489 FLOW_HANDLE flow_handle;
Azure.IoT Build 0:6ae2f7bca550 490
Azure.IoT Build 0:6ae2f7bca550 491 if (amqpvalue_get_flow(performative, &flow_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 492 {
Azure.IoT Build 0:6ae2f7bca550 493 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
Azure.IoT Build 0:6ae2f7bca550 494 }
Azure.IoT Build 0:6ae2f7bca550 495 else
Azure.IoT Build 0:6ae2f7bca550 496 {
Azure.IoT Build 0:6ae2f7bca550 497 uint32_t remote_handle;
Azure.IoT Build 0:6ae2f7bca550 498 transfer_number flow_next_incoming_id;
Azure.IoT Build 0:6ae2f7bca550 499 uint32_t flow_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 500
Azure.IoT Build 0:6ae2f7bca550 501 if (flow_get_next_incoming_id(flow_handle, &flow_next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 502 {
Azure.IoT Build 0:6ae2f7bca550 503 /*
Azure.IoT Build 0:6ae2f7bca550 504 If the next-incoming-id field of the flow frame is not set,
Azure.IoT Build 0:6ae2f7bca550 505 then remote-incomingwindow is computed as follows:
Azure.IoT Build 0:6ae2f7bca550 506 initial-outgoing-id(endpoint) + incoming-window(flow) - next-outgoing-id(endpoint)
Azure.IoT Build 0:6ae2f7bca550 507 */
Azure.IoT Build 0:6ae2f7bca550 508 flow_next_incoming_id = session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 509 }
Azure.IoT Build 0:6ae2f7bca550 510
Azure.IoT Build 0:6ae2f7bca550 511 if ((flow_get_next_outgoing_id(flow_handle, &session_instance->next_incoming_id) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 512 (flow_get_incoming_window(flow_handle, &flow_incoming_window) != 0))
Azure.IoT Build 0:6ae2f7bca550 513 {
Azure.IoT Build 0:6ae2f7bca550 514 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 515
Azure.IoT Build 0:6ae2f7bca550 516 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
Azure.IoT Build 0:6ae2f7bca550 517 }
Azure.IoT Build 0:6ae2f7bca550 518 else
Azure.IoT Build 0:6ae2f7bca550 519 {
Azure.IoT Build 0:6ae2f7bca550 520 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = NULL;
Azure.IoT Build 0:6ae2f7bca550 521
Azure.IoT Build 0:6ae2f7bca550 522 session_instance->remote_incoming_window = flow_next_incoming_id + flow_incoming_window - session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 523
Azure.IoT Build 0:6ae2f7bca550 524 if (flow_get_handle(flow_handle, &remote_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 525 {
Azure.IoT Build 0:6ae2f7bca550 526 link_endpoint_instance = find_link_endpoint_by_input_handle(session_instance, remote_handle);
Azure.IoT Build 0:6ae2f7bca550 527 }
Azure.IoT Build 0:6ae2f7bca550 528
Azure.IoT Build 0:6ae2f7bca550 529 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 530
Azure.IoT Build 0:6ae2f7bca550 531 if (link_endpoint_instance != NULL)
Azure.IoT Build 0:6ae2f7bca550 532 {
Azure.IoT Build 0:6ae2f7bca550 533 link_endpoint_instance->frame_received_callback(link_endpoint_instance->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 534 }
Azure.IoT Build 0:6ae2f7bca550 535
Azure.IoT Build 0:6ae2f7bca550 536 size_t i = 0;
Azure.IoT Build 0:6ae2f7bca550 537 while ((session_instance->remote_incoming_window > 0) && (i < session_instance->link_endpoint_count))
Azure.IoT Build 0:6ae2f7bca550 538 {
Azure.IoT Build 0:6ae2f7bca550 539 /* notify the caller that it can send here */
Azure.IoT Build 0:6ae2f7bca550 540 if (session_instance->link_endpoints[i]->on_session_flow_on != NULL)
Azure.IoT Build 0:6ae2f7bca550 541 {
Azure.IoT Build 0:6ae2f7bca550 542 session_instance->link_endpoints[i]->on_session_flow_on(session_instance->link_endpoints[i]->callback_context);
Azure.IoT Build 0:6ae2f7bca550 543 }
Azure.IoT Build 0:6ae2f7bca550 544
Azure.IoT Build 0:6ae2f7bca550 545 i++;
Azure.IoT Build 0:6ae2f7bca550 546 }
Azure.IoT Build 0:6ae2f7bca550 547 }
Azure.IoT Build 0:6ae2f7bca550 548 }
Azure.IoT Build 0:6ae2f7bca550 549 }
Azure.IoT Build 0:6ae2f7bca550 550 else if (is_transfer_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 551 {
Azure.IoT Build 0:6ae2f7bca550 552 TRANSFER_HANDLE transfer_handle;
Azure.IoT Build 0:6ae2f7bca550 553
Azure.IoT Build 0:6ae2f7bca550 554 if (amqpvalue_get_transfer(performative, &transfer_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 555 {
Azure.IoT Build 0:6ae2f7bca550 556 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode TRANSFER frame");
Azure.IoT Build 0:6ae2f7bca550 557 }
Azure.IoT Build 0:6ae2f7bca550 558 else
Azure.IoT Build 0:6ae2f7bca550 559 {
Azure.IoT Build 0:6ae2f7bca550 560 uint32_t remote_handle;
Azure.IoT Build 0:6ae2f7bca550 561 delivery_number delivery_id;
Azure.IoT Build 0:6ae2f7bca550 562
Azure.IoT Build 0:6ae2f7bca550 563 transfer_get_delivery_id(transfer_handle, &delivery_id);
Azure.IoT Build 0:6ae2f7bca550 564 if (transfer_get_handle(transfer_handle, &remote_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 565 {
Azure.IoT Build 0:6ae2f7bca550 566 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 567 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from TRANSFER frame");
Azure.IoT Build 0:6ae2f7bca550 568 }
Azure.IoT Build 0:6ae2f7bca550 569 else
Azure.IoT Build 0:6ae2f7bca550 570 {
Azure.IoT Build 0:6ae2f7bca550 571 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 572
Azure.IoT Build 0:6ae2f7bca550 573 session_instance->next_incoming_id++;
Azure.IoT Build 0:6ae2f7bca550 574 session_instance->remote_outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 575 session_instance->incoming_window--;
Azure.IoT Build 0:6ae2f7bca550 576
Azure.IoT Build 0:6ae2f7bca550 577 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_output_handle(session_instance, remote_handle);
Azure.IoT Build 0:6ae2f7bca550 578 if (link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 579 {
Azure.IoT Build 0:6ae2f7bca550 580 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
Azure.IoT Build 0:6ae2f7bca550 581 }
Azure.IoT Build 0:6ae2f7bca550 582 else
Azure.IoT Build 0:6ae2f7bca550 583 {
Azure.IoT Build 0:6ae2f7bca550 584 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 585 }
Azure.IoT Build 0:6ae2f7bca550 586
Azure.IoT Build 0:6ae2f7bca550 587 if (session_instance->incoming_window == 0)
Azure.IoT Build 0:6ae2f7bca550 588 {
Azure.IoT Build 0:6ae2f7bca550 589 session_instance->incoming_window = session_instance->desired_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 590 send_flow(session_instance);
Azure.IoT Build 0:6ae2f7bca550 591 }
Azure.IoT Build 0:6ae2f7bca550 592 }
Azure.IoT Build 0:6ae2f7bca550 593 }
Azure.IoT Build 0:6ae2f7bca550 594 }
Azure.IoT Build 0:6ae2f7bca550 595 else if (is_disposition_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 596 {
Azure.IoT Build 0:6ae2f7bca550 597 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 598
Azure.IoT Build 0:6ae2f7bca550 599 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 600 {
Azure.IoT Build 0:6ae2f7bca550 601 LINK_ENDPOINT_INSTANCE* link_endpoint = session_instance->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 602 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 603 }
Azure.IoT Build 0:6ae2f7bca550 604 }
Azure.IoT Build 0:6ae2f7bca550 605 else if (is_end_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 606 {
Azure.IoT Build 0:6ae2f7bca550 607 END_HANDLE end_handle;
Azure.IoT Build 0:6ae2f7bca550 608
Azure.IoT Build 0:6ae2f7bca550 609 if (amqpvalue_get_end(performative, &end_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 610 {
Azure.IoT Build 0:6ae2f7bca550 611 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode END frame");
Azure.IoT Build 0:6ae2f7bca550 612 }
Azure.IoT Build 0:6ae2f7bca550 613 else
Azure.IoT Build 0:6ae2f7bca550 614 {
Azure.IoT Build 0:6ae2f7bca550 615 if ((session_instance->session_state != SESSION_STATE_END_RCVD) &&
Azure.IoT Build 0:6ae2f7bca550 616 (session_instance->session_state != SESSION_STATE_DISCARDING))
Azure.IoT Build 0:6ae2f7bca550 617 {
Azure.IoT Build 0:6ae2f7bca550 618 session_set_state(session_instance, SESSION_STATE_END_RCVD);
Azure.IoT Build 0:6ae2f7bca550 619 if (send_end_frame(session_instance, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 620 {
Azure.IoT Build 0:6ae2f7bca550 621 /* fatal error */
Azure.IoT Build 0:6ae2f7bca550 622 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot send END frame.");
Azure.IoT Build 0:6ae2f7bca550 623 }
Azure.IoT Build 0:6ae2f7bca550 624
Azure.IoT Build 0:6ae2f7bca550 625 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 626 }
Azure.IoT Build 0:6ae2f7bca550 627 }
Azure.IoT Build 0:6ae2f7bca550 628 }
Azure.IoT Build 0:6ae2f7bca550 629 }
Azure.IoT Build 0:6ae2f7bca550 630
Azure.IoT Build 0:6ae2f7bca550 631 SESSION_HANDLE session_create(CONNECTION_HANDLE connection, ON_LINK_ATTACHED on_link_attached, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 632 {
Azure.IoT Build 0:6ae2f7bca550 633 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 634
Azure.IoT Build 0:6ae2f7bca550 635 if (connection == NULL)
Azure.IoT Build 0:6ae2f7bca550 636 {
Azure.IoT Build 0:6ae2f7bca550 637 /* Codes_SRS_SESSION_01_031: [If connection is NULL, session_create shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 638 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 639 }
Azure.IoT Build 0:6ae2f7bca550 640 else
Azure.IoT Build 0:6ae2f7bca550 641 {
Azure.IoT Build 0:6ae2f7bca550 642 /* Codes_SRS_SESSION_01_030: [session_create shall create a new session instance and return a non-NULL handle to it.] */
Azure.IoT Build 0:6ae2f7bca550 643 result = amqpalloc_malloc(sizeof(SESSION_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 644 /* Codes_SRS_SESSION_01_042: [If allocating memory for the session fails, session_create shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 645 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 646 {
Azure.IoT Build 0:6ae2f7bca550 647 result->connection = connection;
Azure.IoT Build 0:6ae2f7bca550 648 result->link_endpoints = NULL;
Azure.IoT Build 0:6ae2f7bca550 649 result->link_endpoint_count = 0;
Azure.IoT Build 0:6ae2f7bca550 650 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 651
Azure.IoT Build 0:6ae2f7bca550 652 /* Codes_SRS_SESSION_01_057: [The delivery ids shall be assigned starting at 0.] */
Azure.IoT Build 0:6ae2f7bca550 653 /* Codes_SRS_SESSION_01_017: [The nextoutgoing-id MAY be initialized to an arbitrary value ] */
Azure.IoT Build 0:6ae2f7bca550 654 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 655
Azure.IoT Build 0:6ae2f7bca550 656 result->desired_incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 657 result->incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 658 result->outgoing_window = 1;
Azure.IoT Build 0:6ae2f7bca550 659 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 660 result->remote_incoming_window = 0;
Azure.IoT Build 0:6ae2f7bca550 661 result->remote_outgoing_window = 0;
Azure.IoT Build 0:6ae2f7bca550 662 result->previous_session_state = SESSION_STATE_UNMAPPED;
Azure.IoT Build 0:6ae2f7bca550 663 result->is_underlying_connection_open = 0;
Azure.IoT Build 0:6ae2f7bca550 664 result->session_state = SESSION_STATE_UNMAPPED;
Azure.IoT Build 0:6ae2f7bca550 665 result->on_link_attached = on_link_attached;
Azure.IoT Build 0:6ae2f7bca550 666 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 667
Azure.IoT Build 0:6ae2f7bca550 668 /* Codes_SRS_SESSION_01_032: [session_create shall create a new session endpoint by calling connection_create_endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 669 result->endpoint = connection_create_endpoint(connection);
Azure.IoT Build 0:6ae2f7bca550 670 if (result->endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 671 {
Azure.IoT Build 0:6ae2f7bca550 672 /* Codes_SRS_SESSION_01_033: [If connection_create_endpoint fails, session_create shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 673 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 674 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 675 }
Azure.IoT Build 0:6ae2f7bca550 676 else
Azure.IoT Build 0:6ae2f7bca550 677 {
Azure.IoT Build 0:6ae2f7bca550 678 session_set_state(result, SESSION_STATE_UNMAPPED);
Azure.IoT Build 0:6ae2f7bca550 679 }
Azure.IoT Build 0:6ae2f7bca550 680 }
Azure.IoT Build 0:6ae2f7bca550 681 }
Azure.IoT Build 0:6ae2f7bca550 682
Azure.IoT Build 0:6ae2f7bca550 683 return result;
Azure.IoT Build 0:6ae2f7bca550 684 }
Azure.IoT Build 0:6ae2f7bca550 685
Azure.IoT Build 0:6ae2f7bca550 686 SESSION_HANDLE session_create_from_endpoint(CONNECTION_HANDLE connection, ENDPOINT_HANDLE endpoint, ON_LINK_ATTACHED on_link_attached, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 687 {
Azure.IoT Build 0:6ae2f7bca550 688 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 689
Azure.IoT Build 0:6ae2f7bca550 690 if (endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 691 {
Azure.IoT Build 0:6ae2f7bca550 692 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 693 }
Azure.IoT Build 0:6ae2f7bca550 694 else
Azure.IoT Build 0:6ae2f7bca550 695 {
Azure.IoT Build 0:6ae2f7bca550 696 result = amqpalloc_malloc(sizeof(SESSION_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 697 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 698 {
Azure.IoT Build 0:6ae2f7bca550 699 result->connection = connection;
Azure.IoT Build 0:6ae2f7bca550 700 result->link_endpoints = NULL;
Azure.IoT Build 0:6ae2f7bca550 701 result->link_endpoint_count = 0;
Azure.IoT Build 0:6ae2f7bca550 702 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 703
Azure.IoT Build 0:6ae2f7bca550 704 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 705
Azure.IoT Build 0:6ae2f7bca550 706 result->incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 707 result->outgoing_window = 1;
Azure.IoT Build 0:6ae2f7bca550 708 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 709 result->remote_incoming_window = 0;
Azure.IoT Build 0:6ae2f7bca550 710 result->remote_outgoing_window = 0;
Azure.IoT Build 0:6ae2f7bca550 711 result->previous_session_state = SESSION_STATE_UNMAPPED;
Azure.IoT Build 0:6ae2f7bca550 712 result->is_underlying_connection_open = 0;
Azure.IoT Build 0:6ae2f7bca550 713 result->session_state = SESSION_STATE_UNMAPPED;
Azure.IoT Build 0:6ae2f7bca550 714 result->on_link_attached = on_link_attached;
Azure.IoT Build 0:6ae2f7bca550 715 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 716
Azure.IoT Build 0:6ae2f7bca550 717 result->endpoint = endpoint;
Azure.IoT Build 0:6ae2f7bca550 718 session_set_state(result, SESSION_STATE_UNMAPPED);
Azure.IoT Build 0:6ae2f7bca550 719 }
Azure.IoT Build 0:6ae2f7bca550 720 }
Azure.IoT Build 0:6ae2f7bca550 721
Azure.IoT Build 0:6ae2f7bca550 722 return result;
Azure.IoT Build 0:6ae2f7bca550 723 }
Azure.IoT Build 0:6ae2f7bca550 724
Azure.IoT Build 0:6ae2f7bca550 725 void session_destroy(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 726 {
Azure.IoT Build 0:6ae2f7bca550 727 /* Codes_SRS_SESSION_01_036: [If session is NULL, session_destroy shall do nothing.] */
Azure.IoT Build 0:6ae2f7bca550 728 if (session != NULL)
Azure.IoT Build 0:6ae2f7bca550 729 {
Azure.IoT Build 0:6ae2f7bca550 730 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 731
Azure.IoT Build 0:6ae2f7bca550 732 session_end(session, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 733
Azure.IoT Build 0:6ae2f7bca550 734 /* Codes_SRS_SESSION_01_034: [session_destroy shall free all resources allocated by session_create.] */
Azure.IoT Build 0:6ae2f7bca550 735 /* Codes_SRS_SESSION_01_035: [The endpoint created in session_create shall be freed by calling connection_destroy_endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 736 connection_destroy_endpoint(session_instance->endpoint);
Azure.IoT Build 0:6ae2f7bca550 737 if (session_instance->link_endpoints != NULL)
Azure.IoT Build 0:6ae2f7bca550 738 {
Azure.IoT Build 0:6ae2f7bca550 739 amqpalloc_free(session_instance->link_endpoints);
Azure.IoT Build 0:6ae2f7bca550 740 }
Azure.IoT Build 0:6ae2f7bca550 741
Azure.IoT Build 0:6ae2f7bca550 742 amqpalloc_free(session);
Azure.IoT Build 0:6ae2f7bca550 743 }
Azure.IoT Build 0:6ae2f7bca550 744 }
Azure.IoT Build 0:6ae2f7bca550 745
Azure.IoT Build 0:6ae2f7bca550 746 int session_begin(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 747 {
Azure.IoT Build 0:6ae2f7bca550 748 int result;
Azure.IoT Build 0:6ae2f7bca550 749
Azure.IoT Build 0:6ae2f7bca550 750 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 751 {
Azure.IoT Build 0:6ae2f7bca550 752 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 753 }
Azure.IoT Build 0:6ae2f7bca550 754 else
Azure.IoT Build 0:6ae2f7bca550 755 {
Azure.IoT Build 0:6ae2f7bca550 756 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 757
Azure.IoT Build 0:6ae2f7bca550 758 if (connection_start_endpoint(session_instance->endpoint, on_frame_received, on_connection_state_changed, session_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 759 {
Azure.IoT Build 0:6ae2f7bca550 760 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 761 }
Azure.IoT Build 0:6ae2f7bca550 762 else
Azure.IoT Build 0:6ae2f7bca550 763 {
Azure.IoT Build 0:6ae2f7bca550 764 if (!session_instance->is_underlying_connection_open)
Azure.IoT Build 0:6ae2f7bca550 765 {
Azure.IoT Build 0:6ae2f7bca550 766 if (connection_open(session_instance->connection) != 0)
Azure.IoT Build 0:6ae2f7bca550 767 {
Azure.IoT Build 0:6ae2f7bca550 768 session_instance->is_underlying_connection_open = 0;
Azure.IoT Build 0:6ae2f7bca550 769 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 770 }
Azure.IoT Build 0:6ae2f7bca550 771 else
Azure.IoT Build 0:6ae2f7bca550 772 {
Azure.IoT Build 0:6ae2f7bca550 773 session_instance->is_underlying_connection_open = 1;
Azure.IoT Build 0:6ae2f7bca550 774 result = 0;
Azure.IoT Build 0:6ae2f7bca550 775 }
Azure.IoT Build 0:6ae2f7bca550 776 }
Azure.IoT Build 0:6ae2f7bca550 777 else
Azure.IoT Build 0:6ae2f7bca550 778 {
Azure.IoT Build 0:6ae2f7bca550 779 result = 0;
Azure.IoT Build 0:6ae2f7bca550 780 }
Azure.IoT Build 0:6ae2f7bca550 781 }
Azure.IoT Build 0:6ae2f7bca550 782 }
Azure.IoT Build 0:6ae2f7bca550 783
Azure.IoT Build 0:6ae2f7bca550 784 return result;
Azure.IoT Build 0:6ae2f7bca550 785 }
Azure.IoT Build 0:6ae2f7bca550 786
Azure.IoT Build 0:6ae2f7bca550 787 int session_end(SESSION_HANDLE session, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 788 {
Azure.IoT Build 0:6ae2f7bca550 789 int result;
Azure.IoT Build 0:6ae2f7bca550 790
Azure.IoT Build 0:6ae2f7bca550 791 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 792 {
Azure.IoT Build 0:6ae2f7bca550 793 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 794 }
Azure.IoT Build 0:6ae2f7bca550 795 else
Azure.IoT Build 0:6ae2f7bca550 796 {
Azure.IoT Build 0:6ae2f7bca550 797 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 798
Azure.IoT Build 0:6ae2f7bca550 799 if ((session_instance->session_state != SESSION_STATE_UNMAPPED) &&
Azure.IoT Build 0:6ae2f7bca550 800 (session_instance->session_state != SESSION_STATE_DISCARDING))
Azure.IoT Build 0:6ae2f7bca550 801 {
Azure.IoT Build 0:6ae2f7bca550 802 ERROR_HANDLE error_handle = NULL;
Azure.IoT Build 0:6ae2f7bca550 803 result = 0;
Azure.IoT Build 0:6ae2f7bca550 804
Azure.IoT Build 0:6ae2f7bca550 805 if (condition_value != NULL)
Azure.IoT Build 0:6ae2f7bca550 806 {
Azure.IoT Build 0:6ae2f7bca550 807 error_handle = error_create(condition_value);
Azure.IoT Build 0:6ae2f7bca550 808 if (error_handle == NULL)
Azure.IoT Build 0:6ae2f7bca550 809 {
Azure.IoT Build 0:6ae2f7bca550 810 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 811 }
Azure.IoT Build 0:6ae2f7bca550 812 else
Azure.IoT Build 0:6ae2f7bca550 813 {
Azure.IoT Build 0:6ae2f7bca550 814 if (error_set_description(error_handle, description) != 0)
Azure.IoT Build 0:6ae2f7bca550 815 {
Azure.IoT Build 0:6ae2f7bca550 816 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 817 }
Azure.IoT Build 0:6ae2f7bca550 818 }
Azure.IoT Build 0:6ae2f7bca550 819 }
Azure.IoT Build 0:6ae2f7bca550 820
Azure.IoT Build 0:6ae2f7bca550 821 if (result == 0)
Azure.IoT Build 0:6ae2f7bca550 822 {
Azure.IoT Build 0:6ae2f7bca550 823 if (send_end_frame(session_instance, error_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 824 {
Azure.IoT Build 0:6ae2f7bca550 825 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 826 }
Azure.IoT Build 0:6ae2f7bca550 827 else
Azure.IoT Build 0:6ae2f7bca550 828 {
Azure.IoT Build 0:6ae2f7bca550 829 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 830 result = 0;
Azure.IoT Build 0:6ae2f7bca550 831 }
Azure.IoT Build 0:6ae2f7bca550 832 }
Azure.IoT Build 0:6ae2f7bca550 833
Azure.IoT Build 0:6ae2f7bca550 834 if (error_handle != NULL)
Azure.IoT Build 0:6ae2f7bca550 835 {
Azure.IoT Build 0:6ae2f7bca550 836 error_destroy(error_handle);
Azure.IoT Build 0:6ae2f7bca550 837 }
Azure.IoT Build 0:6ae2f7bca550 838 }
Azure.IoT Build 0:6ae2f7bca550 839 else
Azure.IoT Build 0:6ae2f7bca550 840 {
Azure.IoT Build 0:6ae2f7bca550 841 result = 0;
Azure.IoT Build 0:6ae2f7bca550 842 }
Azure.IoT Build 0:6ae2f7bca550 843 }
Azure.IoT Build 0:6ae2f7bca550 844
Azure.IoT Build 0:6ae2f7bca550 845 return result;
Azure.IoT Build 0:6ae2f7bca550 846 }
Azure.IoT Build 0:6ae2f7bca550 847
Azure.IoT Build 0:6ae2f7bca550 848 int session_set_incoming_window(SESSION_HANDLE session, uint32_t incoming_window)
Azure.IoT Build 0:6ae2f7bca550 849 {
Azure.IoT Build 0:6ae2f7bca550 850 int result;
Azure.IoT Build 0:6ae2f7bca550 851
Azure.IoT Build 0:6ae2f7bca550 852 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 853 {
Azure.IoT Build 0:6ae2f7bca550 854 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 855 }
Azure.IoT Build 0:6ae2f7bca550 856 else
Azure.IoT Build 0:6ae2f7bca550 857 {
Azure.IoT Build 0:6ae2f7bca550 858 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 859
Azure.IoT Build 0:6ae2f7bca550 860 session_instance->desired_incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 861 session_instance->incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 862
Azure.IoT Build 0:6ae2f7bca550 863 result = 0;
Azure.IoT Build 0:6ae2f7bca550 864 }
Azure.IoT Build 0:6ae2f7bca550 865
Azure.IoT Build 0:6ae2f7bca550 866 return result;
Azure.IoT Build 0:6ae2f7bca550 867 }
Azure.IoT Build 0:6ae2f7bca550 868
Azure.IoT Build 0:6ae2f7bca550 869 int session_get_incoming_window(SESSION_HANDLE session, uint32_t* incoming_window)
Azure.IoT Build 0:6ae2f7bca550 870 {
Azure.IoT Build 0:6ae2f7bca550 871 int result;
Azure.IoT Build 0:6ae2f7bca550 872
Azure.IoT Build 0:6ae2f7bca550 873 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 874 (incoming_window == NULL))
Azure.IoT Build 0:6ae2f7bca550 875 {
Azure.IoT Build 0:6ae2f7bca550 876 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 877 }
Azure.IoT Build 0:6ae2f7bca550 878 else
Azure.IoT Build 0:6ae2f7bca550 879 {
Azure.IoT Build 0:6ae2f7bca550 880 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 881
Azure.IoT Build 0:6ae2f7bca550 882 *incoming_window = session_instance->incoming_window;
Azure.IoT Build 0:6ae2f7bca550 883
Azure.IoT Build 0:6ae2f7bca550 884 result = 0;
Azure.IoT Build 0:6ae2f7bca550 885 }
Azure.IoT Build 0:6ae2f7bca550 886
Azure.IoT Build 0:6ae2f7bca550 887 return result;
Azure.IoT Build 0:6ae2f7bca550 888 }
Azure.IoT Build 0:6ae2f7bca550 889
Azure.IoT Build 0:6ae2f7bca550 890 int session_set_outgoing_window(SESSION_HANDLE session, uint32_t outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 891 {
Azure.IoT Build 0:6ae2f7bca550 892 int result;
Azure.IoT Build 0:6ae2f7bca550 893
Azure.IoT Build 0:6ae2f7bca550 894 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 895 {
Azure.IoT Build 0:6ae2f7bca550 896 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 897 }
Azure.IoT Build 0:6ae2f7bca550 898 else
Azure.IoT Build 0:6ae2f7bca550 899 {
Azure.IoT Build 0:6ae2f7bca550 900 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 901
Azure.IoT Build 0:6ae2f7bca550 902 session_instance->outgoing_window = outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 903
Azure.IoT Build 0:6ae2f7bca550 904 result = 0;
Azure.IoT Build 0:6ae2f7bca550 905 }
Azure.IoT Build 0:6ae2f7bca550 906
Azure.IoT Build 0:6ae2f7bca550 907 return result;
Azure.IoT Build 0:6ae2f7bca550 908 }
Azure.IoT Build 0:6ae2f7bca550 909
Azure.IoT Build 0:6ae2f7bca550 910 int session_get_outgoing_window(SESSION_HANDLE session, uint32_t* outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 911 {
Azure.IoT Build 0:6ae2f7bca550 912 int result;
Azure.IoT Build 0:6ae2f7bca550 913
Azure.IoT Build 0:6ae2f7bca550 914 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 915 (outgoing_window == NULL))
Azure.IoT Build 0:6ae2f7bca550 916 {
Azure.IoT Build 0:6ae2f7bca550 917 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 918 }
Azure.IoT Build 0:6ae2f7bca550 919 else
Azure.IoT Build 0:6ae2f7bca550 920 {
Azure.IoT Build 0:6ae2f7bca550 921 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 922
Azure.IoT Build 0:6ae2f7bca550 923 *outgoing_window = session_instance->outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 924
Azure.IoT Build 0:6ae2f7bca550 925 result = 0;
Azure.IoT Build 0:6ae2f7bca550 926 }
Azure.IoT Build 0:6ae2f7bca550 927
Azure.IoT Build 0:6ae2f7bca550 928 return result;
Azure.IoT Build 0:6ae2f7bca550 929 }
Azure.IoT Build 0:6ae2f7bca550 930
Azure.IoT Build 0:6ae2f7bca550 931 int session_set_handle_max(SESSION_HANDLE session, handle handle_max)
Azure.IoT Build 0:6ae2f7bca550 932 {
Azure.IoT Build 0:6ae2f7bca550 933 int result;
Azure.IoT Build 0:6ae2f7bca550 934
Azure.IoT Build 0:6ae2f7bca550 935 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 936 {
Azure.IoT Build 0:6ae2f7bca550 937 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 938 }
Azure.IoT Build 0:6ae2f7bca550 939 else
Azure.IoT Build 0:6ae2f7bca550 940 {
Azure.IoT Build 0:6ae2f7bca550 941 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 942
Azure.IoT Build 0:6ae2f7bca550 943 session_instance->handle_max = handle_max;
Azure.IoT Build 0:6ae2f7bca550 944
Azure.IoT Build 0:6ae2f7bca550 945 result = 0;
Azure.IoT Build 0:6ae2f7bca550 946 }
Azure.IoT Build 0:6ae2f7bca550 947
Azure.IoT Build 0:6ae2f7bca550 948 return result;
Azure.IoT Build 0:6ae2f7bca550 949 }
Azure.IoT Build 0:6ae2f7bca550 950
Azure.IoT Build 0:6ae2f7bca550 951 int session_get_handle_max(SESSION_HANDLE session, handle* handle_max)
Azure.IoT Build 0:6ae2f7bca550 952 {
Azure.IoT Build 0:6ae2f7bca550 953 int result;
Azure.IoT Build 0:6ae2f7bca550 954
Azure.IoT Build 0:6ae2f7bca550 955 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 956 (handle_max == NULL))
Azure.IoT Build 0:6ae2f7bca550 957 {
Azure.IoT Build 0:6ae2f7bca550 958 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 959 }
Azure.IoT Build 0:6ae2f7bca550 960 else
Azure.IoT Build 0:6ae2f7bca550 961 {
Azure.IoT Build 0:6ae2f7bca550 962 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 963
Azure.IoT Build 0:6ae2f7bca550 964 *handle_max = session_instance->handle_max;
Azure.IoT Build 0:6ae2f7bca550 965
Azure.IoT Build 0:6ae2f7bca550 966 result = 0;
Azure.IoT Build 0:6ae2f7bca550 967 }
Azure.IoT Build 0:6ae2f7bca550 968
Azure.IoT Build 0:6ae2f7bca550 969 return result;
Azure.IoT Build 0:6ae2f7bca550 970 }
Azure.IoT Build 0:6ae2f7bca550 971
Azure.IoT Build 0:6ae2f7bca550 972 LINK_ENDPOINT_HANDLE session_create_link_endpoint(SESSION_HANDLE session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 973 {
Azure.IoT Build 0:6ae2f7bca550 974 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 975
Azure.IoT Build 0:6ae2f7bca550 976 /* Codes_SRS_SESSION_01_044: [If session, name or frame_received_callback is NULL, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 977 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 978 (name == NULL))
Azure.IoT Build 0:6ae2f7bca550 979 {
Azure.IoT Build 0:6ae2f7bca550 980 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 981 }
Azure.IoT Build 0:6ae2f7bca550 982 else
Azure.IoT Build 0:6ae2f7bca550 983 {
Azure.IoT Build 0:6ae2f7bca550 984 /* Codes_SRS_SESSION_01_043: [session_create_link_endpoint shall create a link endpoint associated with a given session and return a non-NULL handle to it.] */
Azure.IoT Build 0:6ae2f7bca550 985 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 986
Azure.IoT Build 0:6ae2f7bca550 987 result = (LINK_ENDPOINT_INSTANCE*)amqpalloc_malloc(sizeof(LINK_ENDPOINT_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 988 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 989 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 990 {
Azure.IoT Build 0:6ae2f7bca550 991 /* Codes_SRS_SESSION_01_046: [An unused handle shall be assigned to the link endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 992 handle selected_handle = 0;
Azure.IoT Build 0:6ae2f7bca550 993 size_t i;
Azure.IoT Build 0:6ae2f7bca550 994
Azure.IoT Build 0:6ae2f7bca550 995 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 996 {
Azure.IoT Build 0:6ae2f7bca550 997 if (session_instance->link_endpoints[i]->output_handle > selected_handle)
Azure.IoT Build 0:6ae2f7bca550 998 {
Azure.IoT Build 0:6ae2f7bca550 999 break;
Azure.IoT Build 0:6ae2f7bca550 1000 }
Azure.IoT Build 0:6ae2f7bca550 1001
Azure.IoT Build 0:6ae2f7bca550 1002 selected_handle++;
Azure.IoT Build 0:6ae2f7bca550 1003 }
Azure.IoT Build 0:6ae2f7bca550 1004
Azure.IoT Build 0:6ae2f7bca550 1005 result->on_session_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 1006 result->on_session_flow_on = NULL;
Azure.IoT Build 0:6ae2f7bca550 1007 result->frame_received_callback = NULL;
Azure.IoT Build 0:6ae2f7bca550 1008 result->callback_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 1009 result->output_handle = selected_handle;
Azure.IoT Build 0:6ae2f7bca550 1010 result->name = amqpalloc_malloc(strlen(name) + 1);
Azure.IoT Build 0:6ae2f7bca550 1011 if (result->name == NULL)
Azure.IoT Build 0:6ae2f7bca550 1012 {
Azure.IoT Build 0:6ae2f7bca550 1013 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 1014 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 1015 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 1016 }
Azure.IoT Build 0:6ae2f7bca550 1017 else
Azure.IoT Build 0:6ae2f7bca550 1018 {
Azure.IoT Build 0:6ae2f7bca550 1019 LINK_ENDPOINT_INSTANCE** new_link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1020 strcpy(result->name, name);
Azure.IoT Build 0:6ae2f7bca550 1021 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 1022
Azure.IoT Build 0:6ae2f7bca550 1023 new_link_endpoints = amqpalloc_realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * (session_instance->link_endpoint_count + 1));
Azure.IoT Build 0:6ae2f7bca550 1024 if (new_link_endpoints == NULL)
Azure.IoT Build 0:6ae2f7bca550 1025 {
Azure.IoT Build 0:6ae2f7bca550 1026 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 1027 amqpalloc_free(result->name);
Azure.IoT Build 0:6ae2f7bca550 1028 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 1029 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 1030 }
Azure.IoT Build 0:6ae2f7bca550 1031 else
Azure.IoT Build 0:6ae2f7bca550 1032 {
Azure.IoT Build 0:6ae2f7bca550 1033 session_instance->link_endpoints = new_link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1034
Azure.IoT Build 0:6ae2f7bca550 1035 if (session_instance->link_endpoint_count - selected_handle > 0)
Azure.IoT Build 0:6ae2f7bca550 1036 {
Azure.IoT Build 0:6ae2f7bca550 1037 (void)memmove(&session_instance->link_endpoints[selected_handle], &session_instance->link_endpoints[selected_handle + 1], (session_instance->link_endpoint_count - selected_handle) * sizeof(LINK_ENDPOINT_INSTANCE*));
Azure.IoT Build 0:6ae2f7bca550 1038 }
Azure.IoT Build 0:6ae2f7bca550 1039
Azure.IoT Build 0:6ae2f7bca550 1040 session_instance->link_endpoints[selected_handle] = result;
Azure.IoT Build 0:6ae2f7bca550 1041 session_instance->link_endpoint_count++;
Azure.IoT Build 0:6ae2f7bca550 1042 }
Azure.IoT Build 0:6ae2f7bca550 1043 }
Azure.IoT Build 0:6ae2f7bca550 1044 }
Azure.IoT Build 0:6ae2f7bca550 1045 }
Azure.IoT Build 0:6ae2f7bca550 1046
Azure.IoT Build 0:6ae2f7bca550 1047 return result;
Azure.IoT Build 0:6ae2f7bca550 1048 }
Azure.IoT Build 0:6ae2f7bca550 1049
Azure.IoT Build 0:6ae2f7bca550 1050 void session_destroy_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint)
Azure.IoT Build 0:6ae2f7bca550 1051 {
Azure.IoT Build 0:6ae2f7bca550 1052 /* Codes_SRS_SESSION_01_050: [If link_endpoint is NULL, session_destroy_link_endpoint shall do nothing.] */
Azure.IoT Build 0:6ae2f7bca550 1053 if (link_endpoint != NULL)
Azure.IoT Build 0:6ae2f7bca550 1054 {
Azure.IoT Build 0:6ae2f7bca550 1055 LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1056 SESSION_INSTANCE* session_instance = endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1057 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 1058
Azure.IoT Build 0:6ae2f7bca550 1059 /* Codes_SRS_SESSION_01_049: [session_destroy_link_endpoint shall free all resources associated with the endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 1060 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 1061 {
Azure.IoT Build 0:6ae2f7bca550 1062 if (session_instance->link_endpoints[i] == link_endpoint)
Azure.IoT Build 0:6ae2f7bca550 1063 {
Azure.IoT Build 0:6ae2f7bca550 1064 break;
Azure.IoT Build 0:6ae2f7bca550 1065 }
Azure.IoT Build 0:6ae2f7bca550 1066 }
Azure.IoT Build 0:6ae2f7bca550 1067
Azure.IoT Build 0:6ae2f7bca550 1068 if (i < session_instance->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 1069 {
Azure.IoT Build 0:6ae2f7bca550 1070 LINK_ENDPOINT_INSTANCE** new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1071
Azure.IoT Build 0:6ae2f7bca550 1072 (void)memmove(&session_instance->link_endpoints[i], &session_instance->link_endpoints[i + 1], (session_instance->link_endpoint_count - (uint32_t)i - 1) * sizeof(LINK_ENDPOINT_INSTANCE*));
Azure.IoT Build 0:6ae2f7bca550 1073 session_instance->link_endpoint_count--;
Azure.IoT Build 0:6ae2f7bca550 1074
Azure.IoT Build 0:6ae2f7bca550 1075 if (session_instance->link_endpoint_count == 0)
Azure.IoT Build 0:6ae2f7bca550 1076 {
Azure.IoT Build 0:6ae2f7bca550 1077 amqpalloc_free(session_instance->link_endpoints);
Azure.IoT Build 0:6ae2f7bca550 1078 session_instance->link_endpoints = NULL;
Azure.IoT Build 0:6ae2f7bca550 1079 }
Azure.IoT Build 0:6ae2f7bca550 1080 else
Azure.IoT Build 0:6ae2f7bca550 1081 {
Azure.IoT Build 0:6ae2f7bca550 1082 new_endpoints = (LINK_ENDPOINT_INSTANCE**)amqpalloc_realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * session_instance->link_endpoint_count);
Azure.IoT Build 0:6ae2f7bca550 1083 if (new_endpoints != NULL)
Azure.IoT Build 0:6ae2f7bca550 1084 {
Azure.IoT Build 0:6ae2f7bca550 1085 session_instance->link_endpoints = new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1086 }
Azure.IoT Build 0:6ae2f7bca550 1087 }
Azure.IoT Build 0:6ae2f7bca550 1088 }
Azure.IoT Build 0:6ae2f7bca550 1089
Azure.IoT Build 0:6ae2f7bca550 1090 if (endpoint_instance->name != NULL)
Azure.IoT Build 0:6ae2f7bca550 1091 {
Azure.IoT Build 0:6ae2f7bca550 1092 amqpalloc_free(endpoint_instance->name);
Azure.IoT Build 0:6ae2f7bca550 1093 }
Azure.IoT Build 0:6ae2f7bca550 1094
Azure.IoT Build 0:6ae2f7bca550 1095 amqpalloc_free(endpoint_instance);
Azure.IoT Build 0:6ae2f7bca550 1096 }
Azure.IoT Build 0:6ae2f7bca550 1097 }
Azure.IoT Build 0:6ae2f7bca550 1098
Azure.IoT Build 0:6ae2f7bca550 1099 int session_start_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint, ON_ENDPOINT_FRAME_RECEIVED frame_received_callback, ON_SESSION_STATE_CHANGED on_session_state_changed, ON_SESSION_FLOW_ON on_session_flow_on, void* context)
Azure.IoT Build 0:6ae2f7bca550 1100 {
Azure.IoT Build 0:6ae2f7bca550 1101 int result;
Azure.IoT Build 0:6ae2f7bca550 1102
Azure.IoT Build 0:6ae2f7bca550 1103 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1104 (frame_received_callback == NULL))
Azure.IoT Build 0:6ae2f7bca550 1105 {
Azure.IoT Build 0:6ae2f7bca550 1106 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1107 }
Azure.IoT Build 0:6ae2f7bca550 1108 else
Azure.IoT Build 0:6ae2f7bca550 1109 {
Azure.IoT Build 0:6ae2f7bca550 1110 link_endpoint->frame_received_callback = frame_received_callback;
Azure.IoT Build 0:6ae2f7bca550 1111 link_endpoint->on_session_state_changed = on_session_state_changed;
Azure.IoT Build 0:6ae2f7bca550 1112 link_endpoint->on_session_flow_on = on_session_flow_on;
Azure.IoT Build 0:6ae2f7bca550 1113 link_endpoint->callback_context = context;
Azure.IoT Build 0:6ae2f7bca550 1114
Azure.IoT Build 0:6ae2f7bca550 1115 if (link_endpoint->on_session_state_changed != NULL)
Azure.IoT Build 0:6ae2f7bca550 1116 {
Azure.IoT Build 0:6ae2f7bca550 1117 link_endpoint->on_session_state_changed(link_endpoint->callback_context, link_endpoint->session->session_state, link_endpoint->session->previous_session_state);
Azure.IoT Build 0:6ae2f7bca550 1118 }
Azure.IoT Build 0:6ae2f7bca550 1119
Azure.IoT Build 0:6ae2f7bca550 1120 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1121 }
Azure.IoT Build 0:6ae2f7bca550 1122
Azure.IoT Build 0:6ae2f7bca550 1123 return result;
Azure.IoT Build 0:6ae2f7bca550 1124 }
Azure.IoT Build 0:6ae2f7bca550 1125
Azure.IoT Build 0:6ae2f7bca550 1126 static int encode_frame(LINK_ENDPOINT_HANDLE link_endpoint, const AMQP_VALUE performative, PAYLOAD* payloads, size_t payload_count)
Azure.IoT Build 0:6ae2f7bca550 1127 {
Azure.IoT Build 0:6ae2f7bca550 1128 int result;
Azure.IoT Build 0:6ae2f7bca550 1129
Azure.IoT Build 0:6ae2f7bca550 1130 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1131 (performative == NULL))
Azure.IoT Build 0:6ae2f7bca550 1132 {
Azure.IoT Build 0:6ae2f7bca550 1133 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1134 }
Azure.IoT Build 0:6ae2f7bca550 1135 else
Azure.IoT Build 0:6ae2f7bca550 1136 {
Azure.IoT Build 0:6ae2f7bca550 1137 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1138 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1139
Azure.IoT Build 0:6ae2f7bca550 1140 if (connection_encode_frame(session_instance->endpoint, performative, payloads, payload_count, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 1141 {
Azure.IoT Build 0:6ae2f7bca550 1142 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1143 }
Azure.IoT Build 0:6ae2f7bca550 1144 else
Azure.IoT Build 0:6ae2f7bca550 1145 {
Azure.IoT Build 0:6ae2f7bca550 1146 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1147 }
Azure.IoT Build 0:6ae2f7bca550 1148 }
Azure.IoT Build 0:6ae2f7bca550 1149
Azure.IoT Build 0:6ae2f7bca550 1150 return result;
Azure.IoT Build 0:6ae2f7bca550 1151 }
Azure.IoT Build 0:6ae2f7bca550 1152
Azure.IoT Build 0:6ae2f7bca550 1153 int session_send_flow(LINK_ENDPOINT_HANDLE link_endpoint, FLOW_HANDLE flow)
Azure.IoT Build 0:6ae2f7bca550 1154 {
Azure.IoT Build 0:6ae2f7bca550 1155 int result;
Azure.IoT Build 0:6ae2f7bca550 1156
Azure.IoT Build 0:6ae2f7bca550 1157 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1158 (flow == NULL))
Azure.IoT Build 0:6ae2f7bca550 1159 {
Azure.IoT Build 0:6ae2f7bca550 1160 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1161 }
Azure.IoT Build 0:6ae2f7bca550 1162 else
Azure.IoT Build 0:6ae2f7bca550 1163 {
Azure.IoT Build 0:6ae2f7bca550 1164 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1165 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1166
Azure.IoT Build 0:6ae2f7bca550 1167 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1168
Azure.IoT Build 0:6ae2f7bca550 1169 if (session_instance->session_state == SESSION_STATE_BEGIN_RCVD)
Azure.IoT Build 0:6ae2f7bca550 1170 {
Azure.IoT Build 0:6ae2f7bca550 1171 if (flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 1172 {
Azure.IoT Build 0:6ae2f7bca550 1173 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1174 }
Azure.IoT Build 0:6ae2f7bca550 1175 }
Azure.IoT Build 0:6ae2f7bca550 1176
Azure.IoT Build 0:6ae2f7bca550 1177 if (result == 0)
Azure.IoT Build 0:6ae2f7bca550 1178 {
Azure.IoT Build 0:6ae2f7bca550 1179 if ((flow_set_incoming_window(flow, session_instance->incoming_window) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1180 (flow_set_next_outgoing_id(flow, session_instance->next_outgoing_id) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1181 (flow_set_outgoing_window(flow, session_instance->outgoing_window) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1182 (flow_set_handle(flow, link_endpoint_instance->output_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 1183 {
Azure.IoT Build 0:6ae2f7bca550 1184 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1185 }
Azure.IoT Build 0:6ae2f7bca550 1186 else
Azure.IoT Build 0:6ae2f7bca550 1187 {
Azure.IoT Build 0:6ae2f7bca550 1188 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
Azure.IoT Build 0:6ae2f7bca550 1189 if (flow_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1190 {
Azure.IoT Build 0:6ae2f7bca550 1191 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1192 }
Azure.IoT Build 0:6ae2f7bca550 1193 else
Azure.IoT Build 0:6ae2f7bca550 1194 {
Azure.IoT Build 0:6ae2f7bca550 1195 if (encode_frame(link_endpoint, flow_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1196 {
Azure.IoT Build 0:6ae2f7bca550 1197 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1198 }
Azure.IoT Build 0:6ae2f7bca550 1199 else
Azure.IoT Build 0:6ae2f7bca550 1200 {
Azure.IoT Build 0:6ae2f7bca550 1201 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1202 }
Azure.IoT Build 0:6ae2f7bca550 1203
Azure.IoT Build 0:6ae2f7bca550 1204 amqpvalue_destroy(flow_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1205 }
Azure.IoT Build 0:6ae2f7bca550 1206 }
Azure.IoT Build 0:6ae2f7bca550 1207 }
Azure.IoT Build 0:6ae2f7bca550 1208 }
Azure.IoT Build 0:6ae2f7bca550 1209
Azure.IoT Build 0:6ae2f7bca550 1210 return result;
Azure.IoT Build 0:6ae2f7bca550 1211 }
Azure.IoT Build 0:6ae2f7bca550 1212
Azure.IoT Build 0:6ae2f7bca550 1213 int session_send_attach(LINK_ENDPOINT_HANDLE link_endpoint, ATTACH_HANDLE attach)
Azure.IoT Build 0:6ae2f7bca550 1214 {
Azure.IoT Build 0:6ae2f7bca550 1215 int result;
Azure.IoT Build 0:6ae2f7bca550 1216
Azure.IoT Build 0:6ae2f7bca550 1217 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1218 (attach == NULL))
Azure.IoT Build 0:6ae2f7bca550 1219 {
Azure.IoT Build 0:6ae2f7bca550 1220 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1221 }
Azure.IoT Build 0:6ae2f7bca550 1222 else
Azure.IoT Build 0:6ae2f7bca550 1223 {
Azure.IoT Build 0:6ae2f7bca550 1224 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1225
Azure.IoT Build 0:6ae2f7bca550 1226 if (attach_set_handle(attach, link_endpoint_instance->output_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 1227 {
Azure.IoT Build 0:6ae2f7bca550 1228 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1229 }
Azure.IoT Build 0:6ae2f7bca550 1230 else
Azure.IoT Build 0:6ae2f7bca550 1231 {
Azure.IoT Build 0:6ae2f7bca550 1232 AMQP_VALUE attach_performative_value = amqpvalue_create_attach(attach);
Azure.IoT Build 0:6ae2f7bca550 1233 if (attach_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1234 {
Azure.IoT Build 0:6ae2f7bca550 1235 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1236 }
Azure.IoT Build 0:6ae2f7bca550 1237 else
Azure.IoT Build 0:6ae2f7bca550 1238 {
Azure.IoT Build 0:6ae2f7bca550 1239 if (encode_frame(link_endpoint, attach_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1240 {
Azure.IoT Build 0:6ae2f7bca550 1241 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1242 }
Azure.IoT Build 0:6ae2f7bca550 1243 else
Azure.IoT Build 0:6ae2f7bca550 1244 {
Azure.IoT Build 0:6ae2f7bca550 1245 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1246 }
Azure.IoT Build 0:6ae2f7bca550 1247
Azure.IoT Build 0:6ae2f7bca550 1248 amqpvalue_destroy(attach_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1249 }
Azure.IoT Build 0:6ae2f7bca550 1250 }
Azure.IoT Build 0:6ae2f7bca550 1251 }
Azure.IoT Build 0:6ae2f7bca550 1252
Azure.IoT Build 0:6ae2f7bca550 1253 return result;
Azure.IoT Build 0:6ae2f7bca550 1254 }
Azure.IoT Build 0:6ae2f7bca550 1255
Azure.IoT Build 0:6ae2f7bca550 1256 int session_send_disposition(LINK_ENDPOINT_HANDLE link_endpoint, DISPOSITION_HANDLE disposition)
Azure.IoT Build 0:6ae2f7bca550 1257 {
Azure.IoT Build 0:6ae2f7bca550 1258 int result;
Azure.IoT Build 0:6ae2f7bca550 1259
Azure.IoT Build 0:6ae2f7bca550 1260 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1261 (disposition == NULL))
Azure.IoT Build 0:6ae2f7bca550 1262 {
Azure.IoT Build 0:6ae2f7bca550 1263 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1264 }
Azure.IoT Build 0:6ae2f7bca550 1265 else
Azure.IoT Build 0:6ae2f7bca550 1266 {
Azure.IoT Build 0:6ae2f7bca550 1267 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1268 AMQP_VALUE disposition_performative_value = amqpvalue_create_disposition(disposition);
Azure.IoT Build 0:6ae2f7bca550 1269 if (disposition_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1270 {
Azure.IoT Build 0:6ae2f7bca550 1271 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1272 }
Azure.IoT Build 0:6ae2f7bca550 1273 else
Azure.IoT Build 0:6ae2f7bca550 1274 {
Azure.IoT Build 0:6ae2f7bca550 1275 if (encode_frame(link_endpoint, disposition_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1276 {
Azure.IoT Build 0:6ae2f7bca550 1277 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1278 }
Azure.IoT Build 0:6ae2f7bca550 1279 else
Azure.IoT Build 0:6ae2f7bca550 1280 {
Azure.IoT Build 0:6ae2f7bca550 1281 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1282 }
Azure.IoT Build 0:6ae2f7bca550 1283
Azure.IoT Build 0:6ae2f7bca550 1284 amqpvalue_destroy(disposition_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1285 }
Azure.IoT Build 0:6ae2f7bca550 1286 }
Azure.IoT Build 0:6ae2f7bca550 1287
Azure.IoT Build 0:6ae2f7bca550 1288 return result;
Azure.IoT Build 0:6ae2f7bca550 1289 }
Azure.IoT Build 0:6ae2f7bca550 1290
Azure.IoT Build 0:6ae2f7bca550 1291 int session_send_detach(LINK_ENDPOINT_HANDLE link_endpoint, DETACH_HANDLE detach)
Azure.IoT Build 0:6ae2f7bca550 1292 {
Azure.IoT Build 0:6ae2f7bca550 1293 int result;
Azure.IoT Build 0:6ae2f7bca550 1294
Azure.IoT Build 0:6ae2f7bca550 1295 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1296 (detach == NULL))
Azure.IoT Build 0:6ae2f7bca550 1297 {
Azure.IoT Build 0:6ae2f7bca550 1298 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1299 }
Azure.IoT Build 0:6ae2f7bca550 1300 else
Azure.IoT Build 0:6ae2f7bca550 1301 {
Azure.IoT Build 0:6ae2f7bca550 1302 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1303
Azure.IoT Build 0:6ae2f7bca550 1304 if (detach_set_handle(detach, link_endpoint_instance->output_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 1305 {
Azure.IoT Build 0:6ae2f7bca550 1306 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1307 }
Azure.IoT Build 0:6ae2f7bca550 1308 else
Azure.IoT Build 0:6ae2f7bca550 1309 {
Azure.IoT Build 0:6ae2f7bca550 1310 AMQP_VALUE detach_performative_value = amqpvalue_create_detach(detach);
Azure.IoT Build 0:6ae2f7bca550 1311 if (detach_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1312 {
Azure.IoT Build 0:6ae2f7bca550 1313 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1314 }
Azure.IoT Build 0:6ae2f7bca550 1315 else
Azure.IoT Build 0:6ae2f7bca550 1316 {
Azure.IoT Build 0:6ae2f7bca550 1317 if (encode_frame(link_endpoint, detach_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1318 {
Azure.IoT Build 0:6ae2f7bca550 1319 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1320 }
Azure.IoT Build 0:6ae2f7bca550 1321 else
Azure.IoT Build 0:6ae2f7bca550 1322 {
Azure.IoT Build 0:6ae2f7bca550 1323 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1324 }
Azure.IoT Build 0:6ae2f7bca550 1325
Azure.IoT Build 0:6ae2f7bca550 1326 amqpvalue_destroy(detach_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1327 }
Azure.IoT Build 0:6ae2f7bca550 1328 }
Azure.IoT Build 0:6ae2f7bca550 1329 }
Azure.IoT Build 0:6ae2f7bca550 1330
Azure.IoT Build 0:6ae2f7bca550 1331 return result;
Azure.IoT Build 0:6ae2f7bca550 1332 }
Azure.IoT Build 0:6ae2f7bca550 1333
Azure.IoT Build 0:6ae2f7bca550 1334 /* Codes_SRS_SESSION_01_051: [session_send_transfer shall send a transfer frame with the performative indicated in the transfer argument.] */
Azure.IoT Build 0:6ae2f7bca550 1335 SESSION_SEND_TRANSFER_RESULT session_send_transfer(LINK_ENDPOINT_HANDLE link_endpoint, TRANSFER_HANDLE transfer, PAYLOAD* payloads, size_t payload_count, delivery_number* delivery_id, ON_SEND_COMPLETE on_send_complete, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 1336 {
Azure.IoT Build 0:6ae2f7bca550 1337 SESSION_SEND_TRANSFER_RESULT result;
Azure.IoT Build 0:6ae2f7bca550 1338
Azure.IoT Build 0:6ae2f7bca550 1339 /* Codes_SRS_SESSION_01_054: [If link_endpoint or transfer is NULL, session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1340 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1341 (transfer == NULL))
Azure.IoT Build 0:6ae2f7bca550 1342 {
Azure.IoT Build 0:6ae2f7bca550 1343 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1344 }
Azure.IoT Build 0:6ae2f7bca550 1345 else
Azure.IoT Build 0:6ae2f7bca550 1346 {
Azure.IoT Build 0:6ae2f7bca550 1347 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1348 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1349
Azure.IoT Build 0:6ae2f7bca550 1350 /* Codes_SRS_SESSION_01_059: [When session_send_transfer is called while the session is not in the MAPPED state, session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1351 if (session_instance->session_state != SESSION_STATE_MAPPED)
Azure.IoT Build 0:6ae2f7bca550 1352 {
Azure.IoT Build 0:6ae2f7bca550 1353 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1354 }
Azure.IoT Build 0:6ae2f7bca550 1355 else
Azure.IoT Build 0:6ae2f7bca550 1356 {
Azure.IoT Build 0:6ae2f7bca550 1357 uint32_t payload_size = 0;
Azure.IoT Build 0:6ae2f7bca550 1358 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1359
Azure.IoT Build 0:6ae2f7bca550 1360 for (i = 0; i < payload_count; i++)
Azure.IoT Build 0:6ae2f7bca550 1361 {
Azure.IoT Build 0:6ae2f7bca550 1362 payload_size += payloads[i].length;
Azure.IoT Build 0:6ae2f7bca550 1363 }
Azure.IoT Build 0:6ae2f7bca550 1364
Azure.IoT Build 0:6ae2f7bca550 1365 if (session_instance->remote_incoming_window == 0)
Azure.IoT Build 0:6ae2f7bca550 1366 {
Azure.IoT Build 0:6ae2f7bca550 1367 result = SESSION_SEND_TRANSFER_BUSY;
Azure.IoT Build 0:6ae2f7bca550 1368 }
Azure.IoT Build 0:6ae2f7bca550 1369 else
Azure.IoT Build 0:6ae2f7bca550 1370 {
Azure.IoT Build 0:6ae2f7bca550 1371 /* Codes_SRS_SESSION_01_012: [The session endpoint assigns each outgoing transfer frame an implicit transfer-id from a session scoped sequence.] */
Azure.IoT Build 0:6ae2f7bca550 1372 /* Codes_SRS_SESSION_01_027: [sending a transfer Upon sending a transfer, the sending endpoint will increment its next-outgoing-id] */
Azure.IoT Build 0:6ae2f7bca550 1373 *delivery_id = session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 1374 if ((transfer_set_handle(transfer, link_endpoint_instance->output_handle) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1375 (transfer_set_delivery_id(transfer, *delivery_id) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1376 (transfer_set_more(transfer, false) != 0))
Azure.IoT Build 0:6ae2f7bca550 1377 {
Azure.IoT Build 0:6ae2f7bca550 1378 /* Codes_SRS_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1379 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1380 }
Azure.IoT Build 0:6ae2f7bca550 1381 else
Azure.IoT Build 0:6ae2f7bca550 1382 {
Azure.IoT Build 0:6ae2f7bca550 1383 AMQP_VALUE transfer_value;
Azure.IoT Build 0:6ae2f7bca550 1384
Azure.IoT Build 0:6ae2f7bca550 1385 transfer_value = amqpvalue_create_transfer(transfer);
Azure.IoT Build 0:6ae2f7bca550 1386 if (transfer_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1387 {
Azure.IoT Build 0:6ae2f7bca550 1388 /* Codes_SRS_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1389 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1390 }
Azure.IoT Build 0:6ae2f7bca550 1391 else
Azure.IoT Build 0:6ae2f7bca550 1392 {
Azure.IoT Build 0:6ae2f7bca550 1393 uint32_t available_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1394 size_t encoded_size;
Azure.IoT Build 0:6ae2f7bca550 1395
Azure.IoT Build 0:6ae2f7bca550 1396 if ((connection_get_remote_max_frame_size(session_instance->connection, &available_frame_size) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1397 (amqpvalue_get_encoded_size(transfer_value, &encoded_size) != 0))
Azure.IoT Build 0:6ae2f7bca550 1398 {
Azure.IoT Build 0:6ae2f7bca550 1399 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1400 }
Azure.IoT Build 0:6ae2f7bca550 1401 else
Azure.IoT Build 0:6ae2f7bca550 1402 {
Azure.IoT Build 0:6ae2f7bca550 1403 uint32_t payload_size = 0;
Azure.IoT Build 0:6ae2f7bca550 1404 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1405
Azure.IoT Build 0:6ae2f7bca550 1406 for (i = 0; i < payload_count; i++)
Azure.IoT Build 0:6ae2f7bca550 1407 {
Azure.IoT Build 0:6ae2f7bca550 1408 payload_size += payloads[i].length;
Azure.IoT Build 0:6ae2f7bca550 1409 }
Azure.IoT Build 0:6ae2f7bca550 1410
Azure.IoT Build 0:6ae2f7bca550 1411 available_frame_size -= encoded_size;
Azure.IoT Build 0:6ae2f7bca550 1412 available_frame_size -= 8;
Azure.IoT Build 0:6ae2f7bca550 1413
Azure.IoT Build 0:6ae2f7bca550 1414 if (available_frame_size >= payload_size)
Azure.IoT Build 0:6ae2f7bca550 1415 {
Azure.IoT Build 0:6ae2f7bca550 1416 /* Codes_SRS_SESSION_01_055: [The encoding of the frame shall be done by calling connection_encode_frame and passing as arguments: the connection handle associated with the session, the transfer performative and the payload chunks passed to session_send_transfer.] */
Azure.IoT Build 0:6ae2f7bca550 1417 if (connection_encode_frame(session_instance->endpoint, transfer_value, payloads, payload_count, on_send_complete, callback_context) != 0)
Azure.IoT Build 0:6ae2f7bca550 1418 {
Azure.IoT Build 0:6ae2f7bca550 1419 /* Codes_SRS_SESSION_01_056: [If connection_encode_frame fails then session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1420 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1421 }
Azure.IoT Build 0:6ae2f7bca550 1422 else
Azure.IoT Build 0:6ae2f7bca550 1423 {
Azure.IoT Build 0:6ae2f7bca550 1424 /* Codes_SRS_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
Azure.IoT Build 0:6ae2f7bca550 1425 session_instance->next_outgoing_id++;
Azure.IoT Build 0:6ae2f7bca550 1426 session_instance->remote_incoming_window--;
Azure.IoT Build 0:6ae2f7bca550 1427 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1428
Azure.IoT Build 0:6ae2f7bca550 1429 /* Codes_SRS_SESSION_01_053: [On success, session_send_transfer shall return 0.] */
Azure.IoT Build 0:6ae2f7bca550 1430 result = SESSION_SEND_TRANSFER_OK;
Azure.IoT Build 0:6ae2f7bca550 1431 }
Azure.IoT Build 0:6ae2f7bca550 1432 }
Azure.IoT Build 0:6ae2f7bca550 1433 else
Azure.IoT Build 0:6ae2f7bca550 1434 {
Azure.IoT Build 0:6ae2f7bca550 1435 size_t current_payload_index = 0;
Azure.IoT Build 0:6ae2f7bca550 1436 uint32_t current_payload_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 1437
Azure.IoT Build 0:6ae2f7bca550 1438 /* break it down into different deliveries */
Azure.IoT Build 0:6ae2f7bca550 1439 while (payload_size > 0)
Azure.IoT Build 0:6ae2f7bca550 1440 {
Azure.IoT Build 0:6ae2f7bca550 1441 uint32_t transfer_frame_payload_count = 0;
Azure.IoT Build 0:6ae2f7bca550 1442 uint32_t current_transfer_frame_payload_size = payload_size;
Azure.IoT Build 0:6ae2f7bca550 1443 uint32_t byte_counter;
Azure.IoT Build 0:6ae2f7bca550 1444 size_t temp_current_payload_index = current_payload_index;
Azure.IoT Build 0:6ae2f7bca550 1445 uint32_t temp_current_payload_pos = current_payload_pos;
Azure.IoT Build 0:6ae2f7bca550 1446 AMQP_VALUE multi_transfer_amqp_value;
Azure.IoT Build 0:6ae2f7bca550 1447 bool more;
Azure.IoT Build 0:6ae2f7bca550 1448
Azure.IoT Build 0:6ae2f7bca550 1449 if (current_transfer_frame_payload_size > available_frame_size)
Azure.IoT Build 0:6ae2f7bca550 1450 {
Azure.IoT Build 0:6ae2f7bca550 1451 current_transfer_frame_payload_size = available_frame_size;
Azure.IoT Build 0:6ae2f7bca550 1452 }
Azure.IoT Build 0:6ae2f7bca550 1453
Azure.IoT Build 0:6ae2f7bca550 1454 if (available_frame_size >= payload_size)
Azure.IoT Build 0:6ae2f7bca550 1455 {
Azure.IoT Build 0:6ae2f7bca550 1456 more = false;
Azure.IoT Build 0:6ae2f7bca550 1457 }
Azure.IoT Build 0:6ae2f7bca550 1458 else
Azure.IoT Build 0:6ae2f7bca550 1459 {
Azure.IoT Build 0:6ae2f7bca550 1460 more = true;
Azure.IoT Build 0:6ae2f7bca550 1461 }
Azure.IoT Build 0:6ae2f7bca550 1462
Azure.IoT Build 0:6ae2f7bca550 1463 if (transfer_set_more(transfer, more) != 0)
Azure.IoT Build 0:6ae2f7bca550 1464 {
Azure.IoT Build 0:6ae2f7bca550 1465 break;
Azure.IoT Build 0:6ae2f7bca550 1466 }
Azure.IoT Build 0:6ae2f7bca550 1467
Azure.IoT Build 0:6ae2f7bca550 1468 multi_transfer_amqp_value = amqpvalue_create_transfer(transfer);
Azure.IoT Build 0:6ae2f7bca550 1469 if (multi_transfer_amqp_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1470 {
Azure.IoT Build 0:6ae2f7bca550 1471 break;
Azure.IoT Build 0:6ae2f7bca550 1472 }
Azure.IoT Build 0:6ae2f7bca550 1473
Azure.IoT Build 0:6ae2f7bca550 1474 byte_counter = current_transfer_frame_payload_size;
Azure.IoT Build 0:6ae2f7bca550 1475 while (byte_counter > 0)
Azure.IoT Build 0:6ae2f7bca550 1476 {
Azure.IoT Build 0:6ae2f7bca550 1477 if (payloads[temp_current_payload_index].length - temp_current_payload_pos >= byte_counter)
Azure.IoT Build 0:6ae2f7bca550 1478 {
Azure.IoT Build 0:6ae2f7bca550 1479 /* more data than we need */
Azure.IoT Build 0:6ae2f7bca550 1480 temp_current_payload_pos += byte_counter;
Azure.IoT Build 0:6ae2f7bca550 1481 byte_counter = 0;
Azure.IoT Build 0:6ae2f7bca550 1482 }
Azure.IoT Build 0:6ae2f7bca550 1483 else
Azure.IoT Build 0:6ae2f7bca550 1484 {
Azure.IoT Build 0:6ae2f7bca550 1485 byte_counter -= payloads[temp_current_payload_index].length - temp_current_payload_pos;
Azure.IoT Build 0:6ae2f7bca550 1486 temp_current_payload_index++;
Azure.IoT Build 0:6ae2f7bca550 1487 temp_current_payload_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 1488 }
Azure.IoT Build 0:6ae2f7bca550 1489 }
Azure.IoT Build 0:6ae2f7bca550 1490
Azure.IoT Build 0:6ae2f7bca550 1491 transfer_frame_payload_count = temp_current_payload_index - current_payload_index + 1;
Azure.IoT Build 0:6ae2f7bca550 1492 PAYLOAD* transfer_frame_payloads = (PAYLOAD*)amqpalloc_malloc(transfer_frame_payload_count * sizeof(PAYLOAD));
Azure.IoT Build 0:6ae2f7bca550 1493 if (transfer_frame_payloads == NULL)
Azure.IoT Build 0:6ae2f7bca550 1494 {
Azure.IoT Build 0:6ae2f7bca550 1495 amqpvalue_destroy(multi_transfer_amqp_value);
Azure.IoT Build 0:6ae2f7bca550 1496 break;
Azure.IoT Build 0:6ae2f7bca550 1497 }
Azure.IoT Build 0:6ae2f7bca550 1498
Azure.IoT Build 0:6ae2f7bca550 1499 /* copy data */
Azure.IoT Build 0:6ae2f7bca550 1500 byte_counter = current_transfer_frame_payload_size;
Azure.IoT Build 0:6ae2f7bca550 1501 transfer_frame_payload_count = 0;
Azure.IoT Build 0:6ae2f7bca550 1502
Azure.IoT Build 0:6ae2f7bca550 1503 while (byte_counter > 0)
Azure.IoT Build 0:6ae2f7bca550 1504 {
Azure.IoT Build 0:6ae2f7bca550 1505 if (payloads[current_payload_index].length - current_payload_pos > byte_counter)
Azure.IoT Build 0:6ae2f7bca550 1506 {
Azure.IoT Build 0:6ae2f7bca550 1507 /* more data than we need */
Azure.IoT Build 0:6ae2f7bca550 1508 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
Azure.IoT Build 0:6ae2f7bca550 1509 transfer_frame_payloads[transfer_frame_payload_count].length = byte_counter;
Azure.IoT Build 0:6ae2f7bca550 1510 current_payload_pos += byte_counter;
Azure.IoT Build 0:6ae2f7bca550 1511 byte_counter = 0;
Azure.IoT Build 0:6ae2f7bca550 1512 }
Azure.IoT Build 0:6ae2f7bca550 1513 else
Azure.IoT Build 0:6ae2f7bca550 1514 {
Azure.IoT Build 0:6ae2f7bca550 1515 /* copy entire payload and move to the next */
Azure.IoT Build 0:6ae2f7bca550 1516 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
Azure.IoT Build 0:6ae2f7bca550 1517 transfer_frame_payloads[transfer_frame_payload_count].length = payloads[current_payload_index].length - current_payload_pos;
Azure.IoT Build 0:6ae2f7bca550 1518 byte_counter -= payloads[current_payload_index].length - current_payload_pos;
Azure.IoT Build 0:6ae2f7bca550 1519 current_payload_index++;
Azure.IoT Build 0:6ae2f7bca550 1520 current_payload_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 1521 }
Azure.IoT Build 0:6ae2f7bca550 1522
Azure.IoT Build 0:6ae2f7bca550 1523 transfer_frame_payload_count++;
Azure.IoT Build 0:6ae2f7bca550 1524 }
Azure.IoT Build 0:6ae2f7bca550 1525
Azure.IoT Build 0:6ae2f7bca550 1526 if (connection_encode_frame(session_instance->endpoint, multi_transfer_amqp_value, transfer_frame_payloads, transfer_frame_payload_count, on_send_complete, callback_context) != 0)
Azure.IoT Build 0:6ae2f7bca550 1527 {
Azure.IoT Build 0:6ae2f7bca550 1528 amqpalloc_free(transfer_frame_payloads);
Azure.IoT Build 0:6ae2f7bca550 1529 amqpvalue_destroy(multi_transfer_amqp_value);
Azure.IoT Build 0:6ae2f7bca550 1530 break;
Azure.IoT Build 0:6ae2f7bca550 1531 }
Azure.IoT Build 0:6ae2f7bca550 1532
Azure.IoT Build 0:6ae2f7bca550 1533 amqpalloc_free(transfer_frame_payloads);
Azure.IoT Build 0:6ae2f7bca550 1534 amqpvalue_destroy(multi_transfer_amqp_value);
Azure.IoT Build 0:6ae2f7bca550 1535 payload_size -= current_transfer_frame_payload_size;
Azure.IoT Build 0:6ae2f7bca550 1536 }
Azure.IoT Build 0:6ae2f7bca550 1537
Azure.IoT Build 0:6ae2f7bca550 1538 if (payload_size > 0)
Azure.IoT Build 0:6ae2f7bca550 1539 {
Azure.IoT Build 0:6ae2f7bca550 1540 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1541 }
Azure.IoT Build 0:6ae2f7bca550 1542 else
Azure.IoT Build 0:6ae2f7bca550 1543 {
Azure.IoT Build 0:6ae2f7bca550 1544 /* Codes_SRS_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
Azure.IoT Build 0:6ae2f7bca550 1545 session_instance->next_outgoing_id++;
Azure.IoT Build 0:6ae2f7bca550 1546 session_instance->remote_incoming_window--;
Azure.IoT Build 0:6ae2f7bca550 1547 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1548
Azure.IoT Build 0:6ae2f7bca550 1549 result = SESSION_SEND_TRANSFER_OK;
Azure.IoT Build 0:6ae2f7bca550 1550 }
Azure.IoT Build 0:6ae2f7bca550 1551 }
Azure.IoT Build 0:6ae2f7bca550 1552 }
Azure.IoT Build 0:6ae2f7bca550 1553
Azure.IoT Build 0:6ae2f7bca550 1554 amqpvalue_destroy(transfer_value);
Azure.IoT Build 0:6ae2f7bca550 1555 }
Azure.IoT Build 0:6ae2f7bca550 1556 }
Azure.IoT Build 0:6ae2f7bca550 1557 }
Azure.IoT Build 0:6ae2f7bca550 1558 }
Azure.IoT Build 0:6ae2f7bca550 1559 }
Azure.IoT Build 0:6ae2f7bca550 1560
Azure.IoT Build 0:6ae2f7bca550 1561 return result;
Azure.IoT Build 0:6ae2f7bca550 1562 }