Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

session.c@28:add19eb7defa, 2017-06-30 (annotated)

Committer:
AzureIoTClient
Date:
Fri Jun 30 10:41:22 2017 -0700
Revision:
28:add19eb7defa
Parent:
27:d74f1cea23e1
Child:
29:4a11413cf217
1.1.18

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #include <string.h>
AzureIoTClient 21:f9c433d8e6ca 6 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 21:f9c433d8e6ca 7 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 27:d74f1cea23e1 8 #include "azure_c_shared_utility/xlogging.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
Azure.IoT Build 0:6ae2f7bca550 12 typedef struct LINK_ENDPOINT_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 13 {
AzureIoTClient 28:add19eb7defa 14 char* name;
AzureIoTClient 28:add19eb7defa 15 handle input_handle;
AzureIoTClient 28:add19eb7defa 16 handle output_handle;
AzureIoTClient 28:add19eb7defa 17 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
AzureIoTClient 28:add19eb7defa 18 ON_SESSION_STATE_CHANGED on_session_state_changed;
AzureIoTClient 28:add19eb7defa 19 ON_SESSION_FLOW_ON on_session_flow_on;
AzureIoTClient 28:add19eb7defa 20 void* callback_context;
AzureIoTClient 28:add19eb7defa 21 SESSION_HANDLE session;
Azure.IoT Build 0:6ae2f7bca550 22 } LINK_ENDPOINT_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 23
Azure.IoT Build 0:6ae2f7bca550 24 typedef struct SESSION_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 25 {
AzureIoTClient 28:add19eb7defa 26 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
AzureIoTClient 28:add19eb7defa 27 void* frame_received_callback_context;
AzureIoTClient 28:add19eb7defa 28 SESSION_STATE session_state;
AzureIoTClient 28:add19eb7defa 29 SESSION_STATE previous_session_state;
AzureIoTClient 28:add19eb7defa 30 CONNECTION_HANDLE connection;
AzureIoTClient 28:add19eb7defa 31 ENDPOINT_HANDLE endpoint;
AzureIoTClient 28:add19eb7defa 32 LINK_ENDPOINT_INSTANCE** link_endpoints;
AzureIoTClient 28:add19eb7defa 33 uint32_t link_endpoint_count;
Azure.IoT Build 0:6ae2f7bca550 34
AzureIoTClient 28:add19eb7defa 35 ON_LINK_ATTACHED on_link_attached;
AzureIoTClient 28:add19eb7defa 36 void* on_link_attached_callback_context;
Azure.IoT Build 0:6ae2f7bca550 37
AzureIoTClient 28:add19eb7defa 38 /* Codes_SRS_SESSION_01_016: [next-outgoing-id The next-outgoing-id is the transfer-id to assign to the next transfer frame.] */
AzureIoTClient 28:add19eb7defa 39 transfer_number next_outgoing_id;
AzureIoTClient 28:add19eb7defa 40 transfer_number next_incoming_id;
Azure.IoT Build 0:6ae2f7bca550 41 uint32_t desired_incoming_window;
AzureIoTClient 28:add19eb7defa 42 uint32_t incoming_window;
AzureIoTClient 28:add19eb7defa 43 uint32_t outgoing_window;
AzureIoTClient 28:add19eb7defa 44 handle handle_max;
AzureIoTClient 28:add19eb7defa 45 uint32_t remote_incoming_window;
AzureIoTClient 28:add19eb7defa 46 uint32_t remote_outgoing_window;
AzureIoTClient 28:add19eb7defa 47 int is_underlying_connection_open : 1;
Azure.IoT Build 0:6ae2f7bca550 48 } SESSION_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 49
AzureIoTClient 6:641a9672db08 50 #define UNDERLYING_CONNECTION_NOT_OPEN 0
AzureIoTClient 6:641a9672db08 51 #define UNDERLYING_CONNECTION_OPEN -1
AzureIoTClient 6:641a9672db08 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 {
AzureIoTClient 28:add19eb7defa 55 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 56
AzureIoTClient 28:add19eb7defa 57 session_instance->previous_session_state = session_instance->session_state;
AzureIoTClient 28:add19eb7defa 58 session_instance->session_state = session_state;
Azure.IoT Build 0:6ae2f7bca550 59
AzureIoTClient 28:add19eb7defa 60 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 61 {
AzureIoTClient 28:add19eb7defa 62 if (session_instance->link_endpoints[i]->on_session_state_changed != NULL)
AzureIoTClient 28:add19eb7defa 63 {
AzureIoTClient 28:add19eb7defa 64 session_instance->link_endpoints[i]->on_session_state_changed(session_instance->link_endpoints[i]->callback_context, session_state, session_instance->previous_session_state);
AzureIoTClient 28:add19eb7defa 65 }
AzureIoTClient 28:add19eb7defa 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 {
AzureIoTClient 28:add19eb7defa 71 int result;
AzureIoTClient 28:add19eb7defa 72 END_HANDLE end_performative;
Azure.IoT Build 0:6ae2f7bca550 73
AzureIoTClient 28:add19eb7defa 74 end_performative = end_create();
AzureIoTClient 28:add19eb7defa 75 if (end_performative == NULL)
AzureIoTClient 28:add19eb7defa 76 {
AzureIoTClient 28:add19eb7defa 77 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 78 }
AzureIoTClient 28:add19eb7defa 79 else
AzureIoTClient 28:add19eb7defa 80 {
AzureIoTClient 28:add19eb7defa 81 if ((error_handle != NULL) &&
AzureIoTClient 28:add19eb7defa 82 (end_set_error(end_performative, error_handle) != 0))
AzureIoTClient 28:add19eb7defa 83 {
AzureIoTClient 28:add19eb7defa 84 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 85 }
AzureIoTClient 28:add19eb7defa 86 else
AzureIoTClient 28:add19eb7defa 87 {
AzureIoTClient 28:add19eb7defa 88 AMQP_VALUE end_performative_value = amqpvalue_create_end(end_performative);
AzureIoTClient 28:add19eb7defa 89 if (end_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 90 {
AzureIoTClient 28:add19eb7defa 91 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 92 }
AzureIoTClient 28:add19eb7defa 93 else
AzureIoTClient 28:add19eb7defa 94 {
AzureIoTClient 28:add19eb7defa 95 if (connection_encode_frame(session_instance->endpoint, end_performative_value, NULL, 0, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 96 {
AzureIoTClient 28:add19eb7defa 97 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 98 }
AzureIoTClient 28:add19eb7defa 99 else
AzureIoTClient 28:add19eb7defa 100 {
AzureIoTClient 28:add19eb7defa 101 result = 0;
AzureIoTClient 28:add19eb7defa 102 }
Azure.IoT Build 0:6ae2f7bca550 103
AzureIoTClient 28:add19eb7defa 104 amqpvalue_destroy(end_performative_value);
AzureIoTClient 28:add19eb7defa 105 }
AzureIoTClient 28:add19eb7defa 106 }
Azure.IoT Build 0:6ae2f7bca550 107
AzureIoTClient 28:add19eb7defa 108 end_destroy(end_performative);
AzureIoTClient 28:add19eb7defa 109 }
Azure.IoT Build 0:6ae2f7bca550 110
AzureIoTClient 28:add19eb7defa 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 {
AzureIoTClient 28:add19eb7defa 116 ERROR_HANDLE error_handle = error_create(condition_value);
AzureIoTClient 28:add19eb7defa 117 if (error_handle == NULL)
AzureIoTClient 28:add19eb7defa 118 {
AzureIoTClient 28:add19eb7defa 119 /* fatal error */
AzureIoTClient 28:add19eb7defa 120 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 121 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session");
AzureIoTClient 28:add19eb7defa 122 }
AzureIoTClient 28:add19eb7defa 123 else
AzureIoTClient 28:add19eb7defa 124 {
AzureIoTClient 28:add19eb7defa 125 if ((error_set_description(error_handle, description) != 0) ||
AzureIoTClient 28:add19eb7defa 126 (send_end_frame(session_instance, error_handle) != 0))
AzureIoTClient 28:add19eb7defa 127 {
AzureIoTClient 28:add19eb7defa 128 /* fatal error */
AzureIoTClient 28:add19eb7defa 129 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 130 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session");
AzureIoTClient 28:add19eb7defa 131 }
AzureIoTClient 28:add19eb7defa 132 else
AzureIoTClient 28:add19eb7defa 133 {
AzureIoTClient 28:add19eb7defa 134 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 135 }
Azure.IoT Build 0:6ae2f7bca550 136
AzureIoTClient 28:add19eb7defa 137 error_destroy(error_handle);
AzureIoTClient 28:add19eb7defa 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 {
AzureIoTClient 28:add19eb7defa 143 int result;
AzureIoTClient 28:add19eb7defa 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
AzureIoTClient 28:add19eb7defa 146 if (begin == NULL)
AzureIoTClient 28:add19eb7defa 147 {
AzureIoTClient 28:add19eb7defa 148 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 149 }
AzureIoTClient 28:add19eb7defa 150 else
AzureIoTClient 28:add19eb7defa 151 {
AzureIoTClient 28:add19eb7defa 152 uint16_t remote_channel;
AzureIoTClient 28:add19eb7defa 153 if (begin_set_handle_max(begin, session_instance->handle_max) != 0)
AzureIoTClient 28:add19eb7defa 154 {
AzureIoTClient 28:add19eb7defa 155 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 156 }
AzureIoTClient 28:add19eb7defa 157 else if ((session_instance->session_state == SESSION_STATE_BEGIN_RCVD) &&
AzureIoTClient 28:add19eb7defa 158 ((connection_endpoint_get_incoming_channel(session_instance->endpoint, &remote_channel) != 0) ||
AzureIoTClient 28:add19eb7defa 159 (begin_set_remote_channel(begin, remote_channel) != 0)))
AzureIoTClient 28:add19eb7defa 160 {
AzureIoTClient 28:add19eb7defa 161 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 162 }
AzureIoTClient 28:add19eb7defa 163 else
AzureIoTClient 28:add19eb7defa 164 {
AzureIoTClient 28:add19eb7defa 165 AMQP_VALUE begin_performative_value = amqpvalue_create_begin(begin);
AzureIoTClient 28:add19eb7defa 166 if (begin_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 167 {
AzureIoTClient 28:add19eb7defa 168 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 169 }
AzureIoTClient 28:add19eb7defa 170 else
AzureIoTClient 28:add19eb7defa 171 {
AzureIoTClient 28:add19eb7defa 172 if (connection_encode_frame(session_instance->endpoint, begin_performative_value, NULL, 0, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 173 {
AzureIoTClient 28:add19eb7defa 174 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 175 }
AzureIoTClient 28:add19eb7defa 176 else
AzureIoTClient 28:add19eb7defa 177 {
AzureIoTClient 28:add19eb7defa 178 result = 0;
AzureIoTClient 28:add19eb7defa 179 }
Azure.IoT Build 0:6ae2f7bca550 180
AzureIoTClient 28:add19eb7defa 181 amqpvalue_destroy(begin_performative_value);
AzureIoTClient 28:add19eb7defa 182 }
AzureIoTClient 28:add19eb7defa 183 }
Azure.IoT Build 0:6ae2f7bca550 184
AzureIoTClient 28:add19eb7defa 185 begin_destroy(begin);
AzureIoTClient 28:add19eb7defa 186 }
Azure.IoT Build 0:6ae2f7bca550 187
AzureIoTClient 28:add19eb7defa 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 {
AzureIoTClient 28:add19eb7defa 193 int result;
AzureIoTClient 28:add19eb7defa 194 if (session == NULL)
AzureIoTClient 28:add19eb7defa 195 {
AzureIoTClient 28:add19eb7defa 196 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 197 }
AzureIoTClient 28:add19eb7defa 198 else
AzureIoTClient 28:add19eb7defa 199 {
AzureIoTClient 28:add19eb7defa 200 FLOW_HANDLE flow = flow_create(session->incoming_window, session->next_outgoing_id, session->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 201
AzureIoTClient 28:add19eb7defa 202 if (flow == NULL)
AzureIoTClient 28:add19eb7defa 203 {
AzureIoTClient 28:add19eb7defa 204 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 205 }
AzureIoTClient 28:add19eb7defa 206 else
AzureIoTClient 28:add19eb7defa 207 {
AzureIoTClient 28:add19eb7defa 208 if (flow_set_next_incoming_id(flow, session->next_incoming_id) != 0)
AzureIoTClient 28:add19eb7defa 209 {
AzureIoTClient 28:add19eb7defa 210 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 211 }
AzureIoTClient 28:add19eb7defa 212 else
AzureIoTClient 28:add19eb7defa 213 {
AzureIoTClient 28:add19eb7defa 214 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
AzureIoTClient 28:add19eb7defa 215 if (flow_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 216 {
AzureIoTClient 28:add19eb7defa 217 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 218 }
AzureIoTClient 28:add19eb7defa 219 else
AzureIoTClient 28:add19eb7defa 220 {
AzureIoTClient 28:add19eb7defa 221 if (connection_encode_frame(session->endpoint, flow_performative_value, NULL, 0, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 222 {
AzureIoTClient 28:add19eb7defa 223 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 224 }
AzureIoTClient 28:add19eb7defa 225 else
AzureIoTClient 28:add19eb7defa 226 {
AzureIoTClient 28:add19eb7defa 227 result = 0;
AzureIoTClient 28:add19eb7defa 228 }
Azure.IoT Build 0:6ae2f7bca550 229
AzureIoTClient 28:add19eb7defa 230 amqpvalue_destroy(flow_performative_value);
AzureIoTClient 28:add19eb7defa 231 }
AzureIoTClient 28:add19eb7defa 232 }
Azure.IoT Build 0:6ae2f7bca550 233
AzureIoTClient 28:add19eb7defa 234 flow_destroy(flow);
AzureIoTClient 28:add19eb7defa 235 }
AzureIoTClient 28:add19eb7defa 236 }
Azure.IoT Build 0:6ae2f7bca550 237
AzureIoTClient 28:add19eb7defa 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 {
AzureIoTClient 28:add19eb7defa 243 uint32_t i;
AzureIoTClient 28:add19eb7defa 244 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 245
AzureIoTClient 28:add19eb7defa 246 for (i = 0; i < session->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 247 {
AzureIoTClient 28:add19eb7defa 248 if (strcmp(session->link_endpoints[i]->name, name) == 0)
AzureIoTClient 28:add19eb7defa 249 {
AzureIoTClient 28:add19eb7defa 250 break;
AzureIoTClient 28:add19eb7defa 251 }
AzureIoTClient 28:add19eb7defa 252 }
Azure.IoT Build 0:6ae2f7bca550 253
AzureIoTClient 28:add19eb7defa 254 if (i == session->link_endpoint_count)
AzureIoTClient 28:add19eb7defa 255 {
AzureIoTClient 28:add19eb7defa 256 result = NULL;
AzureIoTClient 28:add19eb7defa 257 }
AzureIoTClient 28:add19eb7defa 258 else
AzureIoTClient 28:add19eb7defa 259 {
AzureIoTClient 28:add19eb7defa 260 result = session->link_endpoints[i];
AzureIoTClient 28:add19eb7defa 261 }
Azure.IoT Build 0:6ae2f7bca550 262
AzureIoTClient 28:add19eb7defa 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 {
AzureIoTClient 28:add19eb7defa 268 uint32_t i;
AzureIoTClient 28:add19eb7defa 269 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 270
AzureIoTClient 28:add19eb7defa 271 for (i = 0; i < session->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 272 {
AzureIoTClient 28:add19eb7defa 273 if (session->link_endpoints[i]->input_handle == input_handle)
AzureIoTClient 28:add19eb7defa 274 {
AzureIoTClient 28:add19eb7defa 275 break;
AzureIoTClient 28:add19eb7defa 276 }
AzureIoTClient 28:add19eb7defa 277 }
Azure.IoT Build 0:6ae2f7bca550 278
AzureIoTClient 28:add19eb7defa 279 if (i == session->link_endpoint_count)
AzureIoTClient 28:add19eb7defa 280 {
AzureIoTClient 28:add19eb7defa 281 result = NULL;
AzureIoTClient 28:add19eb7defa 282 }
AzureIoTClient 28:add19eb7defa 283 else
AzureIoTClient 28:add19eb7defa 284 {
AzureIoTClient 28:add19eb7defa 285 result = session->link_endpoints[i];
AzureIoTClient 28:add19eb7defa 286 }
Azure.IoT Build 0:6ae2f7bca550 287
AzureIoTClient 28:add19eb7defa 288 return result;
Azure.IoT Build 0:6ae2f7bca550 289 }
Azure.IoT Build 0:6ae2f7bca550 290
Azure.IoT Build 0:6ae2f7bca550 291 static void on_connection_state_changed(void* context, CONNECTION_STATE new_connection_state, CONNECTION_STATE previous_connection_state)
Azure.IoT Build 0:6ae2f7bca550 292 {
AzureIoTClient 28:add19eb7defa 293 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 294
AzureIoTClient 28:add19eb7defa 295 /* 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.] */
AzureIoTClient 28:add19eb7defa 296 if ((new_connection_state == CONNECTION_STATE_OPENED) && (previous_connection_state != CONNECTION_STATE_OPENED) && (session_instance->session_state == SESSION_STATE_UNMAPPED))
AzureIoTClient 28:add19eb7defa 297 {
AzureIoTClient 28:add19eb7defa 298 if (send_begin(session_instance) == 0)
AzureIoTClient 28:add19eb7defa 299 {
AzureIoTClient 28:add19eb7defa 300 session_set_state(session_instance, SESSION_STATE_BEGIN_SENT);
AzureIoTClient 28:add19eb7defa 301 }
AzureIoTClient 28:add19eb7defa 302 }
AzureIoTClient 28:add19eb7defa 303 /* 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.] */
AzureIoTClient 28:add19eb7defa 304 else if ((new_connection_state == CONNECTION_STATE_CLOSE_RCVD) || (new_connection_state == CONNECTION_STATE_END))
AzureIoTClient 28:add19eb7defa 305 {
AzureIoTClient 28:add19eb7defa 306 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 307 }
AzureIoTClient 28:add19eb7defa 308 /* Codes_SRS_SESSION_09_001: [If the new connection state is ERROR, the state shall be switched to ERROR.] */
AzureIoTClient 28:add19eb7defa 309 else if (new_connection_state == CONNECTION_STATE_ERROR)
AzureIoTClient 28:add19eb7defa 310 {
AzureIoTClient 28:add19eb7defa 311 session_set_state(session_instance, SESSION_STATE_ERROR);
AzureIoTClient 28:add19eb7defa 312 }
Azure.IoT Build 0:6ae2f7bca550 313 }
Azure.IoT Build 0:6ae2f7bca550 314
Azure.IoT Build 0:6ae2f7bca550 315 static void on_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes)
Azure.IoT Build 0:6ae2f7bca550 316 {
AzureIoTClient 28:add19eb7defa 317 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
AzureIoTClient 28:add19eb7defa 318 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
Azure.IoT Build 0:6ae2f7bca550 319
AzureIoTClient 28:add19eb7defa 320 if (is_begin_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 321 {
AzureIoTClient 28:add19eb7defa 322 BEGIN_HANDLE begin_handle;
Azure.IoT Build 0:6ae2f7bca550 323
AzureIoTClient 28:add19eb7defa 324 if (amqpvalue_get_begin(performative, &begin_handle) != 0)
AzureIoTClient 28:add19eb7defa 325 {
AzureIoTClient 28:add19eb7defa 326 connection_close(session_instance->connection, "amqp:decode-error", "Cannot decode BEGIN frame");
AzureIoTClient 28:add19eb7defa 327 }
AzureIoTClient 28:add19eb7defa 328 else
AzureIoTClient 28:add19eb7defa 329 {
AzureIoTClient 28:add19eb7defa 330 if ((begin_get_incoming_window(begin_handle, &session_instance->remote_incoming_window) != 0) ||
AzureIoTClient 28:add19eb7defa 331 (begin_get_next_outgoing_id(begin_handle, &session_instance->next_incoming_id) != 0))
AzureIoTClient 28:add19eb7defa 332 {
AzureIoTClient 28:add19eb7defa 333 /* error */
AzureIoTClient 28:add19eb7defa 334 begin_destroy(begin_handle);
AzureIoTClient 28:add19eb7defa 335 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 336 connection_close(session_instance->connection, "amqp:decode-error", "Cannot get incoming windows and next outgoing id");
AzureIoTClient 28:add19eb7defa 337 }
AzureIoTClient 28:add19eb7defa 338 else
AzureIoTClient 28:add19eb7defa 339 {
AzureIoTClient 28:add19eb7defa 340 begin_destroy(begin_handle);
Azure.IoT Build 0:6ae2f7bca550 341
AzureIoTClient 28:add19eb7defa 342 if (session_instance->session_state == SESSION_STATE_BEGIN_SENT)
AzureIoTClient 28:add19eb7defa 343 {
AzureIoTClient 28:add19eb7defa 344 session_set_state(session_instance, SESSION_STATE_MAPPED);
AzureIoTClient 28:add19eb7defa 345 }
AzureIoTClient 28:add19eb7defa 346 else if(session_instance->session_state == SESSION_STATE_UNMAPPED)
AzureIoTClient 28:add19eb7defa 347 {
AzureIoTClient 28:add19eb7defa 348 session_set_state(session_instance, SESSION_STATE_BEGIN_RCVD);
AzureIoTClient 28:add19eb7defa 349 if (send_begin(session_instance) != 0)
AzureIoTClient 28:add19eb7defa 350 {
AzureIoTClient 28:add19eb7defa 351 connection_close(session_instance->connection, "amqp:internal-error", "Failed sending BEGIN frame");
AzureIoTClient 28:add19eb7defa 352 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 353 }
AzureIoTClient 28:add19eb7defa 354 else
AzureIoTClient 28:add19eb7defa 355 {
AzureIoTClient 28:add19eb7defa 356 session_set_state(session_instance, SESSION_STATE_MAPPED);
AzureIoTClient 28:add19eb7defa 357 }
AzureIoTClient 28:add19eb7defa 358 }
AzureIoTClient 28:add19eb7defa 359 }
AzureIoTClient 28:add19eb7defa 360 }
AzureIoTClient 28:add19eb7defa 361 }
AzureIoTClient 28:add19eb7defa 362 else if (is_attach_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 363 {
AzureIoTClient 28:add19eb7defa 364 const char* name = NULL;
AzureIoTClient 28:add19eb7defa 365 ATTACH_HANDLE attach_handle;
Azure.IoT Build 0:6ae2f7bca550 366
AzureIoTClient 28:add19eb7defa 367 if (amqpvalue_get_attach(performative, &attach_handle) != 0)
AzureIoTClient 28:add19eb7defa 368 {
AzureIoTClient 28:add19eb7defa 369 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode ATTACH frame");
AzureIoTClient 28:add19eb7defa 370 }
AzureIoTClient 28:add19eb7defa 371 else
AzureIoTClient 28:add19eb7defa 372 {
AzureIoTClient 28:add19eb7defa 373 role role;
AzureIoTClient 28:add19eb7defa 374 AMQP_VALUE source;
AzureIoTClient 28:add19eb7defa 375 AMQP_VALUE target;
Azure.IoT Build 0:6ae2f7bca550 376
AzureIoTClient 28:add19eb7defa 377 if ((attach_get_name(attach_handle, &name) != 0) ||
AzureIoTClient 28:add19eb7defa 378 (attach_get_role(attach_handle, &role) != 0) ||
AzureIoTClient 28:add19eb7defa 379 (attach_get_source(attach_handle, &source) != 0) ||
AzureIoTClient 28:add19eb7defa 380 (attach_get_target(attach_handle, &target) != 0))
AzureIoTClient 28:add19eb7defa 381 {
AzureIoTClient 28:add19eb7defa 382 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link name from ATTACH frame");
AzureIoTClient 28:add19eb7defa 383 }
AzureIoTClient 28:add19eb7defa 384 else
AzureIoTClient 28:add19eb7defa 385 {
AzureIoTClient 28:add19eb7defa 386 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_name(session_instance, name);
AzureIoTClient 28:add19eb7defa 387 if (link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 388 {
AzureIoTClient 28:add19eb7defa 389 /* new link attach */
AzureIoTClient 28:add19eb7defa 390 if (session_instance->on_link_attached != NULL)
AzureIoTClient 28:add19eb7defa 391 {
AzureIoTClient 28:add19eb7defa 392 LINK_ENDPOINT_HANDLE new_link_endpoint = session_create_link_endpoint(session_instance, name);
AzureIoTClient 28:add19eb7defa 393 if (new_link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 394 {
AzureIoTClient 28:add19eb7defa 395 end_session_with_error(session_instance, "amqp:internal-error", "Cannot create link endpoint");
AzureIoTClient 28:add19eb7defa 396 }
Azure.IoT Build 0:6ae2f7bca550 397 else if (attach_get_handle(attach_handle, &new_link_endpoint->input_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 398 {
Azure.IoT Build 0:6ae2f7bca550 399 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 400 }
Azure.IoT Build 0:6ae2f7bca550 401 else
AzureIoTClient 28:add19eb7defa 402 {
AzureIoTClient 28:add19eb7defa 403 if (!session_instance->on_link_attached(session_instance->on_link_attached_callback_context, new_link_endpoint, name, role, source, target))
AzureIoTClient 28:add19eb7defa 404 {
AzureIoTClient 28:add19eb7defa 405 session_destroy_link_endpoint(new_link_endpoint);
AzureIoTClient 28:add19eb7defa 406 new_link_endpoint = NULL;
AzureIoTClient 28:add19eb7defa 407 }
AzureIoTClient 28:add19eb7defa 408 else
AzureIoTClient 28:add19eb7defa 409 {
AzureIoTClient 28:add19eb7defa 410 if (new_link_endpoint->frame_received_callback != NULL)
AzureIoTClient 28:add19eb7defa 411 {
AzureIoTClient 28:add19eb7defa 412 new_link_endpoint->frame_received_callback(new_link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 413 }
AzureIoTClient 28:add19eb7defa 414 }
AzureIoTClient 28:add19eb7defa 415 }
AzureIoTClient 28:add19eb7defa 416 }
AzureIoTClient 28:add19eb7defa 417 }
AzureIoTClient 28:add19eb7defa 418 else
AzureIoTClient 28:add19eb7defa 419 {
AzureIoTClient 28:add19eb7defa 420 if (attach_get_handle(attach_handle, &link_endpoint->input_handle) != 0)
AzureIoTClient 28:add19eb7defa 421 {
AzureIoTClient 28:add19eb7defa 422 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
AzureIoTClient 28:add19eb7defa 423 }
AzureIoTClient 28:add19eb7defa 424 else
AzureIoTClient 28:add19eb7defa 425 {
AzureIoTClient 28:add19eb7defa 426 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 427 }
AzureIoTClient 28:add19eb7defa 428 }
AzureIoTClient 28:add19eb7defa 429 }
Azure.IoT Build 0:6ae2f7bca550 430
AzureIoTClient 28:add19eb7defa 431 attach_destroy(attach_handle);
AzureIoTClient 28:add19eb7defa 432 }
AzureIoTClient 28:add19eb7defa 433 }
AzureIoTClient 28:add19eb7defa 434 else if (is_detach_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 435 {
AzureIoTClient 28:add19eb7defa 436 DETACH_HANDLE detach_handle;
Azure.IoT Build 0:6ae2f7bca550 437
AzureIoTClient 28:add19eb7defa 438 if (amqpvalue_get_detach(performative, &detach_handle) != 0)
AzureIoTClient 28:add19eb7defa 439 {
AzureIoTClient 28:add19eb7defa 440 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode DETACH frame");
AzureIoTClient 28:add19eb7defa 441 }
AzureIoTClient 28:add19eb7defa 442 else
AzureIoTClient 28:add19eb7defa 443 {
AzureIoTClient 28:add19eb7defa 444 uint32_t remote_handle;
AzureIoTClient 28:add19eb7defa 445 if (detach_get_handle(detach_handle, &remote_handle) != 0)
AzureIoTClient 28:add19eb7defa 446 {
AzureIoTClient 28:add19eb7defa 447 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from DETACH frame");
Azure.IoT Build 0:6ae2f7bca550 448
AzureIoTClient 28:add19eb7defa 449 detach_destroy(detach_handle);
AzureIoTClient 28:add19eb7defa 450 }
AzureIoTClient 28:add19eb7defa 451 else
AzureIoTClient 28:add19eb7defa 452 {
AzureIoTClient 28:add19eb7defa 453 LINK_ENDPOINT_INSTANCE* link_endpoint;
AzureIoTClient 28:add19eb7defa 454 detach_destroy(detach_handle);
Azure.IoT Build 0:6ae2f7bca550 455
AzureIoTClient 28:add19eb7defa 456 link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
AzureIoTClient 28:add19eb7defa 457 if (link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 458 {
AzureIoTClient 28:add19eb7defa 459 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
AzureIoTClient 28:add19eb7defa 460 }
AzureIoTClient 28:add19eb7defa 461 else
AzureIoTClient 28:add19eb7defa 462 {
AzureIoTClient 28:add19eb7defa 463 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 464 }
AzureIoTClient 28:add19eb7defa 465 }
AzureIoTClient 28:add19eb7defa 466 }
AzureIoTClient 28:add19eb7defa 467 }
AzureIoTClient 28:add19eb7defa 468 else if (is_flow_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 469 {
AzureIoTClient 28:add19eb7defa 470 FLOW_HANDLE flow_handle;
Azure.IoT Build 0:6ae2f7bca550 471
AzureIoTClient 28:add19eb7defa 472 if (amqpvalue_get_flow(performative, &flow_handle) != 0)
AzureIoTClient 28:add19eb7defa 473 {
AzureIoTClient 28:add19eb7defa 474 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
AzureIoTClient 28:add19eb7defa 475 }
AzureIoTClient 28:add19eb7defa 476 else
AzureIoTClient 28:add19eb7defa 477 {
AzureIoTClient 28:add19eb7defa 478 uint32_t remote_handle;
AzureIoTClient 28:add19eb7defa 479 transfer_number flow_next_incoming_id;
AzureIoTClient 28:add19eb7defa 480 uint32_t flow_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 481
Azure.IoT Build 0:6ae2f7bca550 482 if (flow_get_next_incoming_id(flow_handle, &flow_next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 483 {
Azure.IoT Build 0:6ae2f7bca550 484 /*
Azure.IoT Build 0:6ae2f7bca550 485 If the next-incoming-id field of the flow frame is not set,
Azure.IoT Build 0:6ae2f7bca550 486 then remote-incomingwindow is computed as follows:
Azure.IoT Build 0:6ae2f7bca550 487 initial-outgoing-id(endpoint) + incoming-window(flow) - next-outgoing-id(endpoint)
Azure.IoT Build 0:6ae2f7bca550 488 */
Azure.IoT Build 0:6ae2f7bca550 489 flow_next_incoming_id = session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 490 }
Azure.IoT Build 0:6ae2f7bca550 491
AzureIoTClient 28:add19eb7defa 492 if ((flow_get_next_outgoing_id(flow_handle, &session_instance->next_incoming_id) != 0) ||
AzureIoTClient 28:add19eb7defa 493 (flow_get_incoming_window(flow_handle, &flow_incoming_window) != 0))
AzureIoTClient 28:add19eb7defa 494 {
AzureIoTClient 28:add19eb7defa 495 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 496
AzureIoTClient 28:add19eb7defa 497 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
AzureIoTClient 28:add19eb7defa 498 }
AzureIoTClient 28:add19eb7defa 499 else
AzureIoTClient 28:add19eb7defa 500 {
AzureIoTClient 28:add19eb7defa 501 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = NULL;
AzureIoTClient 28:add19eb7defa 502 size_t i;
Azure.IoT Build 0:6ae2f7bca550 503
AzureIoTClient 28:add19eb7defa 504 session_instance->remote_incoming_window = flow_next_incoming_id + flow_incoming_window - session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 505
AzureIoTClient 28:add19eb7defa 506 if (flow_get_handle(flow_handle, &remote_handle) == 0)
AzureIoTClient 28:add19eb7defa 507 {
AzureIoTClient 28:add19eb7defa 508 link_endpoint_instance = find_link_endpoint_by_input_handle(session_instance, remote_handle);
AzureIoTClient 28:add19eb7defa 509 }
Azure.IoT Build 0:6ae2f7bca550 510
AzureIoTClient 28:add19eb7defa 511 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 512
AzureIoTClient 28:add19eb7defa 513 if (link_endpoint_instance != NULL)
AzureIoTClient 28:add19eb7defa 514 {
AzureIoTClient 28:add19eb7defa 515 link_endpoint_instance->frame_received_callback(link_endpoint_instance->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 516 }
Azure.IoT Build 0:6ae2f7bca550 517
AzureIoTClient 28:add19eb7defa 518 i = 0;
AzureIoTClient 28:add19eb7defa 519 while ((session_instance->remote_incoming_window > 0) && (i < session_instance->link_endpoint_count))
AzureIoTClient 28:add19eb7defa 520 {
AzureIoTClient 28:add19eb7defa 521 /* notify the caller that it can send here */
AzureIoTClient 28:add19eb7defa 522 if (session_instance->link_endpoints[i]->on_session_flow_on != NULL)
AzureIoTClient 28:add19eb7defa 523 {
AzureIoTClient 28:add19eb7defa 524 session_instance->link_endpoints[i]->on_session_flow_on(session_instance->link_endpoints[i]->callback_context);
AzureIoTClient 28:add19eb7defa 525 }
Azure.IoT Build 0:6ae2f7bca550 526
AzureIoTClient 28:add19eb7defa 527 i++;
AzureIoTClient 28:add19eb7defa 528 }
AzureIoTClient 28:add19eb7defa 529 }
AzureIoTClient 28:add19eb7defa 530 }
AzureIoTClient 28:add19eb7defa 531 }
AzureIoTClient 28:add19eb7defa 532 else if (is_transfer_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 533 {
AzureIoTClient 28:add19eb7defa 534 TRANSFER_HANDLE transfer_handle;
Azure.IoT Build 0:6ae2f7bca550 535
AzureIoTClient 28:add19eb7defa 536 if (amqpvalue_get_transfer(performative, &transfer_handle) != 0)
AzureIoTClient 28:add19eb7defa 537 {
AzureIoTClient 28:add19eb7defa 538 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode TRANSFER frame");
AzureIoTClient 28:add19eb7defa 539 }
AzureIoTClient 28:add19eb7defa 540 else
AzureIoTClient 28:add19eb7defa 541 {
AzureIoTClient 28:add19eb7defa 542 uint32_t remote_handle;
AzureIoTClient 28:add19eb7defa 543 delivery_number delivery_id;
Azure.IoT Build 0:6ae2f7bca550 544
AzureIoTClient 28:add19eb7defa 545 transfer_get_delivery_id(transfer_handle, &delivery_id);
AzureIoTClient 28:add19eb7defa 546 if (transfer_get_handle(transfer_handle, &remote_handle) != 0)
AzureIoTClient 28:add19eb7defa 547 {
AzureIoTClient 28:add19eb7defa 548 transfer_destroy(transfer_handle);
AzureIoTClient 28:add19eb7defa 549 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from TRANSFER frame");
AzureIoTClient 28:add19eb7defa 550 }
AzureIoTClient 28:add19eb7defa 551 else
AzureIoTClient 28:add19eb7defa 552 {
AzureIoTClient 28:add19eb7defa 553 LINK_ENDPOINT_INSTANCE* link_endpoint;
AzureIoTClient 28:add19eb7defa 554 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 555
AzureIoTClient 28:add19eb7defa 556 session_instance->next_incoming_id++;
AzureIoTClient 28:add19eb7defa 557 session_instance->remote_outgoing_window--;
AzureIoTClient 28:add19eb7defa 558 session_instance->incoming_window--;
Azure.IoT Build 0:6ae2f7bca550 559
AzureIoTClient 28:add19eb7defa 560 link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
AzureIoTClient 28:add19eb7defa 561 if (link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 562 {
AzureIoTClient 28:add19eb7defa 563 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
AzureIoTClient 28:add19eb7defa 564 }
AzureIoTClient 28:add19eb7defa 565 else
AzureIoTClient 28:add19eb7defa 566 {
AzureIoTClient 28:add19eb7defa 567 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 568 }
Azure.IoT Build 0:6ae2f7bca550 569
AzureIoTClient 28:add19eb7defa 570 if (session_instance->incoming_window == 0)
AzureIoTClient 28:add19eb7defa 571 {
Azure.IoT Build 0:6ae2f7bca550 572 session_instance->incoming_window = session_instance->desired_incoming_window;
AzureIoTClient 28:add19eb7defa 573 send_flow(session_instance);
AzureIoTClient 28:add19eb7defa 574 }
AzureIoTClient 28:add19eb7defa 575 }
AzureIoTClient 28:add19eb7defa 576 }
AzureIoTClient 28:add19eb7defa 577 }
AzureIoTClient 28:add19eb7defa 578 else if (is_disposition_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 579 {
AzureIoTClient 28:add19eb7defa 580 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 581
AzureIoTClient 28:add19eb7defa 582 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 583 {
AzureIoTClient 28:add19eb7defa 584 LINK_ENDPOINT_INSTANCE* link_endpoint = session_instance->link_endpoints[i];
AzureIoTClient 28:add19eb7defa 585 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 586 }
AzureIoTClient 28:add19eb7defa 587 }
AzureIoTClient 28:add19eb7defa 588 else if (is_end_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 589 {
AzureIoTClient 28:add19eb7defa 590 END_HANDLE end_handle;
Azure.IoT Build 0:6ae2f7bca550 591
AzureIoTClient 28:add19eb7defa 592 if (amqpvalue_get_end(performative, &end_handle) != 0)
AzureIoTClient 28:add19eb7defa 593 {
AzureIoTClient 28:add19eb7defa 594 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode END frame");
AzureIoTClient 28:add19eb7defa 595 }
AzureIoTClient 28:add19eb7defa 596 else
AzureIoTClient 28:add19eb7defa 597 {
AzureIoTClient 25:1101516ee67d 598 end_destroy(end_handle);
AzureIoTClient 28:add19eb7defa 599 if ((session_instance->session_state != SESSION_STATE_END_RCVD) &&
AzureIoTClient 28:add19eb7defa 600 (session_instance->session_state != SESSION_STATE_DISCARDING))
AzureIoTClient 28:add19eb7defa 601 {
AzureIoTClient 28:add19eb7defa 602 session_set_state(session_instance, SESSION_STATE_END_RCVD);
AzureIoTClient 28:add19eb7defa 603 if (send_end_frame(session_instance, NULL) != 0)
AzureIoTClient 28:add19eb7defa 604 {
AzureIoTClient 28:add19eb7defa 605 /* fatal error */
AzureIoTClient 28:add19eb7defa 606 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot send END frame.");
AzureIoTClient 28:add19eb7defa 607 }
Azure.IoT Build 0:6ae2f7bca550 608
AzureIoTClient 28:add19eb7defa 609 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 610 }
AzureIoTClient 28:add19eb7defa 611 }
AzureIoTClient 28:add19eb7defa 612 }
Azure.IoT Build 0:6ae2f7bca550 613 }
Azure.IoT Build 0:6ae2f7bca550 614
Azure.IoT Build 0:6ae2f7bca550 615 SESSION_HANDLE session_create(CONNECTION_HANDLE connection, ON_LINK_ATTACHED on_link_attached, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 616 {
AzureIoTClient 28:add19eb7defa 617 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 618
AzureIoTClient 28:add19eb7defa 619 if (connection == NULL)
AzureIoTClient 28:add19eb7defa 620 {
AzureIoTClient 28:add19eb7defa 621 /* Codes_SRS_SESSION_01_031: [If connection is NULL, session_create shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 622 result = NULL;
AzureIoTClient 28:add19eb7defa 623 }
AzureIoTClient 28:add19eb7defa 624 else
AzureIoTClient 28:add19eb7defa 625 {
AzureIoTClient 28:add19eb7defa 626 /* Codes_SRS_SESSION_01_030: [session_create shall create a new session instance and return a non-NULL handle to it.] */
AzureIoTClient 28:add19eb7defa 627 result = (SESSION_INSTANCE*)malloc(sizeof(SESSION_INSTANCE));
AzureIoTClient 28:add19eb7defa 628 /* Codes_SRS_SESSION_01_042: [If allocating memory for the session fails, session_create shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 629 if (result != NULL)
AzureIoTClient 28:add19eb7defa 630 {
AzureIoTClient 28:add19eb7defa 631 result->connection = connection;
AzureIoTClient 28:add19eb7defa 632 result->link_endpoints = NULL;
AzureIoTClient 28:add19eb7defa 633 result->link_endpoint_count = 0;
AzureIoTClient 28:add19eb7defa 634 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 635
AzureIoTClient 28:add19eb7defa 636 /* Codes_SRS_SESSION_01_057: [The delivery ids shall be assigned starting at 0.] */
AzureIoTClient 28:add19eb7defa 637 /* Codes_SRS_SESSION_01_017: [The nextoutgoing-id MAY be initialized to an arbitrary value ] */
AzureIoTClient 28:add19eb7defa 638 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 639
Azure.IoT Build 0:6ae2f7bca550 640 result->desired_incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 641 result->incoming_window = 1;
AzureIoTClient 28:add19eb7defa 642 result->outgoing_window = 1;
AzureIoTClient 28:add19eb7defa 643 result->handle_max = 4294967295u;
AzureIoTClient 28:add19eb7defa 644 result->remote_incoming_window = 0;
AzureIoTClient 28:add19eb7defa 645 result->remote_outgoing_window = 0;
AzureIoTClient 28:add19eb7defa 646 result->previous_session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 647 result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
AzureIoTClient 28:add19eb7defa 648 result->session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 649 result->on_link_attached = on_link_attached;
AzureIoTClient 28:add19eb7defa 650 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 651
AzureIoTClient 28:add19eb7defa 652 /* Codes_SRS_SESSION_01_032: [session_create shall create a new session endpoint by calling connection_create_endpoint.] */
AzureIoTClient 28:add19eb7defa 653 result->endpoint = connection_create_endpoint(connection);
AzureIoTClient 28:add19eb7defa 654 if (result->endpoint == NULL)
AzureIoTClient 28:add19eb7defa 655 {
AzureIoTClient 28:add19eb7defa 656 /* Codes_SRS_SESSION_01_033: [If connection_create_endpoint fails, session_create shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 657 free(result);
AzureIoTClient 28:add19eb7defa 658 result = NULL;
AzureIoTClient 28:add19eb7defa 659 }
AzureIoTClient 28:add19eb7defa 660 else
AzureIoTClient 28:add19eb7defa 661 {
AzureIoTClient 28:add19eb7defa 662 session_set_state(result, SESSION_STATE_UNMAPPED);
AzureIoTClient 28:add19eb7defa 663 }
AzureIoTClient 28:add19eb7defa 664 }
AzureIoTClient 28:add19eb7defa 665 }
Azure.IoT Build 0:6ae2f7bca550 666
AzureIoTClient 28:add19eb7defa 667 return result;
Azure.IoT Build 0:6ae2f7bca550 668 }
Azure.IoT Build 0:6ae2f7bca550 669
Azure.IoT Build 0:6ae2f7bca550 670 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 671 {
AzureIoTClient 28:add19eb7defa 672 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 673
AzureIoTClient 28:add19eb7defa 674 if (endpoint == NULL)
AzureIoTClient 28:add19eb7defa 675 {
AzureIoTClient 28:add19eb7defa 676 result = NULL;
AzureIoTClient 28:add19eb7defa 677 }
AzureIoTClient 28:add19eb7defa 678 else
AzureIoTClient 28:add19eb7defa 679 {
AzureIoTClient 28:add19eb7defa 680 result = (SESSION_INSTANCE*)malloc(sizeof(SESSION_INSTANCE));
AzureIoTClient 28:add19eb7defa 681 if (result != NULL)
AzureIoTClient 28:add19eb7defa 682 {
AzureIoTClient 28:add19eb7defa 683 result->connection = connection;
AzureIoTClient 28:add19eb7defa 684 result->link_endpoints = NULL;
AzureIoTClient 28:add19eb7defa 685 result->link_endpoint_count = 0;
AzureIoTClient 28:add19eb7defa 686 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 687
AzureIoTClient 28:add19eb7defa 688 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 689
AzureIoTClient 22:524bded3f7a8 690 result->desired_incoming_window = 1;
AzureIoTClient 22:524bded3f7a8 691 result->incoming_window = 1;
AzureIoTClient 28:add19eb7defa 692 result->outgoing_window = 1;
AzureIoTClient 28:add19eb7defa 693 result->handle_max = 4294967295u;
AzureIoTClient 28:add19eb7defa 694 result->remote_incoming_window = 0;
AzureIoTClient 28:add19eb7defa 695 result->remote_outgoing_window = 0;
AzureIoTClient 28:add19eb7defa 696 result->previous_session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 697 result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
AzureIoTClient 28:add19eb7defa 698 result->session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 699 result->on_link_attached = on_link_attached;
AzureIoTClient 28:add19eb7defa 700 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 701
AzureIoTClient 28:add19eb7defa 702 result->endpoint = endpoint;
AzureIoTClient 28:add19eb7defa 703 session_set_state(result, SESSION_STATE_UNMAPPED);
AzureIoTClient 28:add19eb7defa 704 }
AzureIoTClient 28:add19eb7defa 705 }
Azure.IoT Build 0:6ae2f7bca550 706
AzureIoTClient 28:add19eb7defa 707 return result;
Azure.IoT Build 0:6ae2f7bca550 708 }
Azure.IoT Build 0:6ae2f7bca550 709
Azure.IoT Build 0:6ae2f7bca550 710 void session_destroy(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 711 {
AzureIoTClient 28:add19eb7defa 712 /* Codes_SRS_SESSION_01_036: [If session is NULL, session_destroy shall do nothing.] */
AzureIoTClient 28:add19eb7defa 713 if (session != NULL)
AzureIoTClient 28:add19eb7defa 714 {
AzureIoTClient 28:add19eb7defa 715 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 716
AzureIoTClient 28:add19eb7defa 717 session_end(session, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 718
AzureIoTClient 28:add19eb7defa 719 /* Codes_SRS_SESSION_01_034: [session_destroy shall free all resources allocated by session_create.] */
AzureIoTClient 28:add19eb7defa 720 /* Codes_SRS_SESSION_01_035: [The endpoint created in session_create shall be freed by calling connection_destroy_endpoint.] */
AzureIoTClient 28:add19eb7defa 721 connection_destroy_endpoint(session_instance->endpoint);
AzureIoTClient 28:add19eb7defa 722 if (session_instance->link_endpoints != NULL)
AzureIoTClient 28:add19eb7defa 723 {
AzureIoTClient 28:add19eb7defa 724 free(session_instance->link_endpoints);
AzureIoTClient 28:add19eb7defa 725 }
Azure.IoT Build 0:6ae2f7bca550 726
AzureIoTClient 28:add19eb7defa 727 free(session);
AzureIoTClient 28:add19eb7defa 728 }
Azure.IoT Build 0:6ae2f7bca550 729 }
Azure.IoT Build 0:6ae2f7bca550 730
Azure.IoT Build 0:6ae2f7bca550 731 int session_begin(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 732 {
AzureIoTClient 28:add19eb7defa 733 int result;
Azure.IoT Build 0:6ae2f7bca550 734
AzureIoTClient 28:add19eb7defa 735 if (session == NULL)
AzureIoTClient 28:add19eb7defa 736 {
AzureIoTClient 28:add19eb7defa 737 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 738 }
AzureIoTClient 28:add19eb7defa 739 else
AzureIoTClient 28:add19eb7defa 740 {
AzureIoTClient 28:add19eb7defa 741 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 742
AzureIoTClient 28:add19eb7defa 743 if (connection_start_endpoint(session_instance->endpoint, on_frame_received, on_connection_state_changed, session_instance) != 0)
AzureIoTClient 28:add19eb7defa 744 {
AzureIoTClient 28:add19eb7defa 745 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 746 }
AzureIoTClient 28:add19eb7defa 747 else
AzureIoTClient 28:add19eb7defa 748 {
AzureIoTClient 28:add19eb7defa 749 if (!session_instance->is_underlying_connection_open)
AzureIoTClient 28:add19eb7defa 750 {
AzureIoTClient 28:add19eb7defa 751 if (connection_open(session_instance->connection) != 0)
AzureIoTClient 28:add19eb7defa 752 {
AzureIoTClient 28:add19eb7defa 753 session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
AzureIoTClient 28:add19eb7defa 754 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 755 }
AzureIoTClient 28:add19eb7defa 756 else
AzureIoTClient 28:add19eb7defa 757 {
AzureIoTClient 28:add19eb7defa 758 session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_OPEN;
AzureIoTClient 28:add19eb7defa 759 result = 0;
AzureIoTClient 28:add19eb7defa 760 }
AzureIoTClient 28:add19eb7defa 761 }
AzureIoTClient 28:add19eb7defa 762 else
AzureIoTClient 28:add19eb7defa 763 {
AzureIoTClient 28:add19eb7defa 764 result = 0;
AzureIoTClient 28:add19eb7defa 765 }
AzureIoTClient 28:add19eb7defa 766 }
AzureIoTClient 28:add19eb7defa 767 }
Azure.IoT Build 0:6ae2f7bca550 768
AzureIoTClient 28:add19eb7defa 769 return result;
Azure.IoT Build 0:6ae2f7bca550 770 }
Azure.IoT Build 0:6ae2f7bca550 771
Azure.IoT Build 0:6ae2f7bca550 772 int session_end(SESSION_HANDLE session, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 773 {
AzureIoTClient 28:add19eb7defa 774 int result;
Azure.IoT Build 0:6ae2f7bca550 775
AzureIoTClient 28:add19eb7defa 776 if (session == NULL)
AzureIoTClient 28:add19eb7defa 777 {
AzureIoTClient 28:add19eb7defa 778 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 779 }
AzureIoTClient 28:add19eb7defa 780 else
AzureIoTClient 28:add19eb7defa 781 {
AzureIoTClient 28:add19eb7defa 782 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 783
AzureIoTClient 28:add19eb7defa 784 if ((session_instance->session_state != SESSION_STATE_UNMAPPED) &&
AzureIoTClient 28:add19eb7defa 785 (session_instance->session_state != SESSION_STATE_DISCARDING))
AzureIoTClient 28:add19eb7defa 786 {
AzureIoTClient 28:add19eb7defa 787 ERROR_HANDLE error_handle = NULL;
AzureIoTClient 28:add19eb7defa 788 result = 0;
Azure.IoT Build 0:6ae2f7bca550 789
AzureIoTClient 28:add19eb7defa 790 if (condition_value != NULL)
AzureIoTClient 28:add19eb7defa 791 {
AzureIoTClient 28:add19eb7defa 792 error_handle = error_create(condition_value);
AzureIoTClient 28:add19eb7defa 793 if (error_handle == NULL)
AzureIoTClient 28:add19eb7defa 794 {
AzureIoTClient 28:add19eb7defa 795 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 796 }
AzureIoTClient 28:add19eb7defa 797 else
AzureIoTClient 28:add19eb7defa 798 {
AzureIoTClient 28:add19eb7defa 799 if (error_set_description(error_handle, description) != 0)
AzureIoTClient 28:add19eb7defa 800 {
AzureIoTClient 28:add19eb7defa 801 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 802 }
AzureIoTClient 28:add19eb7defa 803 }
AzureIoTClient 28:add19eb7defa 804 }
Azure.IoT Build 0:6ae2f7bca550 805
AzureIoTClient 28:add19eb7defa 806 if (result == 0)
AzureIoTClient 28:add19eb7defa 807 {
AzureIoTClient 28:add19eb7defa 808 if (send_end_frame(session_instance, error_handle) != 0)
AzureIoTClient 28:add19eb7defa 809 {
AzureIoTClient 28:add19eb7defa 810 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 811 }
AzureIoTClient 28:add19eb7defa 812 else
AzureIoTClient 28:add19eb7defa 813 {
AzureIoTClient 28:add19eb7defa 814 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 815 result = 0;
AzureIoTClient 28:add19eb7defa 816 }
AzureIoTClient 28:add19eb7defa 817 }
Azure.IoT Build 0:6ae2f7bca550 818
AzureIoTClient 28:add19eb7defa 819 if (error_handle != NULL)
AzureIoTClient 28:add19eb7defa 820 {
AzureIoTClient 28:add19eb7defa 821 error_destroy(error_handle);
AzureIoTClient 28:add19eb7defa 822 }
AzureIoTClient 28:add19eb7defa 823 }
AzureIoTClient 28:add19eb7defa 824 else
AzureIoTClient 28:add19eb7defa 825 {
AzureIoTClient 28:add19eb7defa 826 result = 0;
AzureIoTClient 28:add19eb7defa 827 }
AzureIoTClient 28:add19eb7defa 828 }
Azure.IoT Build 0:6ae2f7bca550 829
AzureIoTClient 28:add19eb7defa 830 return result;
Azure.IoT Build 0:6ae2f7bca550 831 }
Azure.IoT Build 0:6ae2f7bca550 832
Azure.IoT Build 0:6ae2f7bca550 833 int session_set_incoming_window(SESSION_HANDLE session, uint32_t incoming_window)
Azure.IoT Build 0:6ae2f7bca550 834 {
AzureIoTClient 28:add19eb7defa 835 int result;
Azure.IoT Build 0:6ae2f7bca550 836
AzureIoTClient 28:add19eb7defa 837 if (session == NULL)
AzureIoTClient 28:add19eb7defa 838 {
AzureIoTClient 28:add19eb7defa 839 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 840 }
AzureIoTClient 28:add19eb7defa 841 else
AzureIoTClient 28:add19eb7defa 842 {
AzureIoTClient 28:add19eb7defa 843 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 844
AzureIoTClient 28:add19eb7defa 845 session_instance->desired_incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 846 session_instance->incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 847
AzureIoTClient 28:add19eb7defa 848 result = 0;
AzureIoTClient 28:add19eb7defa 849 }
Azure.IoT Build 0:6ae2f7bca550 850
AzureIoTClient 28:add19eb7defa 851 return result;
Azure.IoT Build 0:6ae2f7bca550 852 }
Azure.IoT Build 0:6ae2f7bca550 853
Azure.IoT Build 0:6ae2f7bca550 854 int session_get_incoming_window(SESSION_HANDLE session, uint32_t* incoming_window)
Azure.IoT Build 0:6ae2f7bca550 855 {
AzureIoTClient 28:add19eb7defa 856 int result;
Azure.IoT Build 0:6ae2f7bca550 857
AzureIoTClient 28:add19eb7defa 858 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 859 (incoming_window == NULL))
AzureIoTClient 28:add19eb7defa 860 {
AzureIoTClient 28:add19eb7defa 861 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 862 }
AzureIoTClient 28:add19eb7defa 863 else
AzureIoTClient 28:add19eb7defa 864 {
AzureIoTClient 28:add19eb7defa 865 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 866
AzureIoTClient 28:add19eb7defa 867 *incoming_window = session_instance->incoming_window;
Azure.IoT Build 0:6ae2f7bca550 868
AzureIoTClient 28:add19eb7defa 869 result = 0;
AzureIoTClient 28:add19eb7defa 870 }
Azure.IoT Build 0:6ae2f7bca550 871
AzureIoTClient 28:add19eb7defa 872 return result;
Azure.IoT Build 0:6ae2f7bca550 873 }
Azure.IoT Build 0:6ae2f7bca550 874
Azure.IoT Build 0:6ae2f7bca550 875 int session_set_outgoing_window(SESSION_HANDLE session, uint32_t outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 876 {
AzureIoTClient 28:add19eb7defa 877 int result;
Azure.IoT Build 0:6ae2f7bca550 878
AzureIoTClient 28:add19eb7defa 879 if (session == NULL)
AzureIoTClient 28:add19eb7defa 880 {
AzureIoTClient 28:add19eb7defa 881 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 882 }
AzureIoTClient 28:add19eb7defa 883 else
AzureIoTClient 28:add19eb7defa 884 {
AzureIoTClient 28:add19eb7defa 885 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 886
AzureIoTClient 28:add19eb7defa 887 session_instance->outgoing_window = outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 888
AzureIoTClient 28:add19eb7defa 889 result = 0;
AzureIoTClient 28:add19eb7defa 890 }
Azure.IoT Build 0:6ae2f7bca550 891
AzureIoTClient 28:add19eb7defa 892 return result;
Azure.IoT Build 0:6ae2f7bca550 893 }
Azure.IoT Build 0:6ae2f7bca550 894
Azure.IoT Build 0:6ae2f7bca550 895 int session_get_outgoing_window(SESSION_HANDLE session, uint32_t* outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 896 {
AzureIoTClient 28:add19eb7defa 897 int result;
Azure.IoT Build 0:6ae2f7bca550 898
AzureIoTClient 28:add19eb7defa 899 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 900 (outgoing_window == NULL))
AzureIoTClient 28:add19eb7defa 901 {
AzureIoTClient 28:add19eb7defa 902 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 903 }
AzureIoTClient 28:add19eb7defa 904 else
AzureIoTClient 28:add19eb7defa 905 {
AzureIoTClient 28:add19eb7defa 906 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 907
AzureIoTClient 28:add19eb7defa 908 *outgoing_window = session_instance->outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 909
AzureIoTClient 28:add19eb7defa 910 result = 0;
AzureIoTClient 28:add19eb7defa 911 }
Azure.IoT Build 0:6ae2f7bca550 912
AzureIoTClient 28:add19eb7defa 913 return result;
Azure.IoT Build 0:6ae2f7bca550 914 }
Azure.IoT Build 0:6ae2f7bca550 915
Azure.IoT Build 0:6ae2f7bca550 916 int session_set_handle_max(SESSION_HANDLE session, handle handle_max)
Azure.IoT Build 0:6ae2f7bca550 917 {
AzureIoTClient 28:add19eb7defa 918 int result;
Azure.IoT Build 0:6ae2f7bca550 919
AzureIoTClient 28:add19eb7defa 920 if (session == NULL)
AzureIoTClient 28:add19eb7defa 921 {
AzureIoTClient 28:add19eb7defa 922 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 923 }
AzureIoTClient 28:add19eb7defa 924 else
AzureIoTClient 28:add19eb7defa 925 {
AzureIoTClient 28:add19eb7defa 926 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 927
AzureIoTClient 28:add19eb7defa 928 session_instance->handle_max = handle_max;
Azure.IoT Build 0:6ae2f7bca550 929
AzureIoTClient 28:add19eb7defa 930 result = 0;
AzureIoTClient 28:add19eb7defa 931 }
Azure.IoT Build 0:6ae2f7bca550 932
AzureIoTClient 28:add19eb7defa 933 return result;
Azure.IoT Build 0:6ae2f7bca550 934 }
Azure.IoT Build 0:6ae2f7bca550 935
Azure.IoT Build 0:6ae2f7bca550 936 int session_get_handle_max(SESSION_HANDLE session, handle* handle_max)
Azure.IoT Build 0:6ae2f7bca550 937 {
AzureIoTClient 28:add19eb7defa 938 int result;
Azure.IoT Build 0:6ae2f7bca550 939
AzureIoTClient 28:add19eb7defa 940 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 941 (handle_max == NULL))
AzureIoTClient 28:add19eb7defa 942 {
AzureIoTClient 28:add19eb7defa 943 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 944 }
AzureIoTClient 28:add19eb7defa 945 else
AzureIoTClient 28:add19eb7defa 946 {
AzureIoTClient 28:add19eb7defa 947 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 948
AzureIoTClient 28:add19eb7defa 949 *handle_max = session_instance->handle_max;
Azure.IoT Build 0:6ae2f7bca550 950
AzureIoTClient 28:add19eb7defa 951 result = 0;
AzureIoTClient 28:add19eb7defa 952 }
Azure.IoT Build 0:6ae2f7bca550 953
AzureIoTClient 28:add19eb7defa 954 return result;
Azure.IoT Build 0:6ae2f7bca550 955 }
Azure.IoT Build 0:6ae2f7bca550 956
Azure.IoT Build 0:6ae2f7bca550 957 LINK_ENDPOINT_HANDLE session_create_link_endpoint(SESSION_HANDLE session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 958 {
AzureIoTClient 28:add19eb7defa 959 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 960
AzureIoTClient 28:add19eb7defa 961 /* Codes_SRS_SESSION_01_044: [If session, name or frame_received_callback is NULL, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 962 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 963 (name == NULL))
AzureIoTClient 28:add19eb7defa 964 {
AzureIoTClient 28:add19eb7defa 965 result = NULL;
AzureIoTClient 28:add19eb7defa 966 }
AzureIoTClient 28:add19eb7defa 967 else
AzureIoTClient 28:add19eb7defa 968 {
AzureIoTClient 28:add19eb7defa 969 /* 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.] */
AzureIoTClient 28:add19eb7defa 970 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 971
AzureIoTClient 28:add19eb7defa 972 result = (LINK_ENDPOINT_INSTANCE*)malloc(sizeof(LINK_ENDPOINT_INSTANCE));
AzureIoTClient 28:add19eb7defa 973 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 974 if (result != NULL)
AzureIoTClient 28:add19eb7defa 975 {
AzureIoTClient 28:add19eb7defa 976 /* Codes_SRS_SESSION_01_046: [An unused handle shall be assigned to the link endpoint.] */
AzureIoTClient 28:add19eb7defa 977 handle selected_handle = 0;
AzureIoTClient 28:add19eb7defa 978 size_t i;
AzureIoTClient 23:1111ee8bcba4 979 size_t name_length;
Azure.IoT Build 0:6ae2f7bca550 980
AzureIoTClient 28:add19eb7defa 981 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 982 {
AzureIoTClient 28:add19eb7defa 983 if (session_instance->link_endpoints[i]->output_handle > selected_handle)
AzureIoTClient 28:add19eb7defa 984 {
AzureIoTClient 28:add19eb7defa 985 break;
AzureIoTClient 28:add19eb7defa 986 }
Azure.IoT Build 0:6ae2f7bca550 987
AzureIoTClient 28:add19eb7defa 988 selected_handle++;
AzureIoTClient 28:add19eb7defa 989 }
Azure.IoT Build 0:6ae2f7bca550 990
AzureIoTClient 28:add19eb7defa 991 result->on_session_state_changed = NULL;
AzureIoTClient 28:add19eb7defa 992 result->on_session_flow_on = NULL;
AzureIoTClient 28:add19eb7defa 993 result->frame_received_callback = NULL;
AzureIoTClient 28:add19eb7defa 994 result->callback_context = NULL;
AzureIoTClient 28:add19eb7defa 995 result->output_handle = selected_handle;
AzureIoTClient 28:add19eb7defa 996 result->input_handle = 0xFFFFFFFF;
AzureIoTClient 23:1111ee8bcba4 997 name_length = strlen(name);
AzureIoTClient 28:add19eb7defa 998 result->name = (char*)malloc(name_length + 1);
AzureIoTClient 28:add19eb7defa 999 if (result->name == NULL)
AzureIoTClient 28:add19eb7defa 1000 {
AzureIoTClient 28:add19eb7defa 1001 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 1002 free(result);
AzureIoTClient 28:add19eb7defa 1003 result = NULL;
AzureIoTClient 28:add19eb7defa 1004 }
AzureIoTClient 28:add19eb7defa 1005 else
AzureIoTClient 28:add19eb7defa 1006 {
AzureIoTClient 28:add19eb7defa 1007 LINK_ENDPOINT_INSTANCE** new_link_endpoints;
AzureIoTClient 28:add19eb7defa 1008 (void)memcpy(result->name, name, name_length + 1);
AzureIoTClient 28:add19eb7defa 1009 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 1010
AzureIoTClient 28:add19eb7defa 1011 new_link_endpoints = (LINK_ENDPOINT_INSTANCE**)realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * (session_instance->link_endpoint_count + 1));
AzureIoTClient 28:add19eb7defa 1012 if (new_link_endpoints == NULL)
AzureIoTClient 28:add19eb7defa 1013 {
AzureIoTClient 28:add19eb7defa 1014 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 21:f9c433d8e6ca 1015 free(result->name);
AzureIoTClient 28:add19eb7defa 1016 free(result);
AzureIoTClient 28:add19eb7defa 1017 result = NULL;
AzureIoTClient 28:add19eb7defa 1018 }
AzureIoTClient 28:add19eb7defa 1019 else
AzureIoTClient 28:add19eb7defa 1020 {
AzureIoTClient 28:add19eb7defa 1021 session_instance->link_endpoints = new_link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1022
AzureIoTClient 28:add19eb7defa 1023 if (session_instance->link_endpoint_count - selected_handle > 0)
AzureIoTClient 28:add19eb7defa 1024 {
AzureIoTClient 28:add19eb7defa 1025 (void)memmove(&session_instance->link_endpoints[selected_handle + 1], &session_instance->link_endpoints[selected_handle], (session_instance->link_endpoint_count - selected_handle) * sizeof(LINK_ENDPOINT_INSTANCE*));
AzureIoTClient 28:add19eb7defa 1026 }
Azure.IoT Build 0:6ae2f7bca550 1027
AzureIoTClient 28:add19eb7defa 1028 session_instance->link_endpoints[selected_handle] = result;
AzureIoTClient 28:add19eb7defa 1029 session_instance->link_endpoint_count++;
AzureIoTClient 28:add19eb7defa 1030 }
AzureIoTClient 28:add19eb7defa 1031 }
AzureIoTClient 28:add19eb7defa 1032 }
AzureIoTClient 28:add19eb7defa 1033 }
Azure.IoT Build 0:6ae2f7bca550 1034
AzureIoTClient 28:add19eb7defa 1035 return result;
Azure.IoT Build 0:6ae2f7bca550 1036 }
Azure.IoT Build 0:6ae2f7bca550 1037
Azure.IoT Build 0:6ae2f7bca550 1038 void session_destroy_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint)
Azure.IoT Build 0:6ae2f7bca550 1039 {
AzureIoTClient 28:add19eb7defa 1040 /* Codes_SRS_SESSION_01_050: [If link_endpoint is NULL, session_destroy_link_endpoint shall do nothing.] */
AzureIoTClient 28:add19eb7defa 1041 if (link_endpoint != NULL)
AzureIoTClient 28:add19eb7defa 1042 {
AzureIoTClient 28:add19eb7defa 1043 LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1044 SESSION_INSTANCE* session_instance = endpoint_instance->session;
AzureIoTClient 28:add19eb7defa 1045 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 1046
AzureIoTClient 28:add19eb7defa 1047 /* Codes_SRS_SESSION_01_049: [session_destroy_link_endpoint shall free all resources associated with the endpoint.] */
AzureIoTClient 28:add19eb7defa 1048 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 1049 {
AzureIoTClient 28:add19eb7defa 1050 if (session_instance->link_endpoints[i] == link_endpoint)
AzureIoTClient 28:add19eb7defa 1051 {
AzureIoTClient 28:add19eb7defa 1052 break;
AzureIoTClient 28:add19eb7defa 1053 }
AzureIoTClient 28:add19eb7defa 1054 }
Azure.IoT Build 0:6ae2f7bca550 1055
AzureIoTClient 28:add19eb7defa 1056 if (i < session_instance->link_endpoint_count)
AzureIoTClient 28:add19eb7defa 1057 {
AzureIoTClient 28:add19eb7defa 1058 LINK_ENDPOINT_INSTANCE** new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1059
AzureIoTClient 28:add19eb7defa 1060 if (i < (session_instance->link_endpoint_count - 1))
AzureIoTClient 28:add19eb7defa 1061 {
AzureIoTClient 28:add19eb7defa 1062 (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*));
AzureIoTClient 28:add19eb7defa 1063 }
AzureIoTClient 7:9e9ab3b0efef 1064
AzureIoTClient 28:add19eb7defa 1065 session_instance->link_endpoint_count--;
Azure.IoT Build 0:6ae2f7bca550 1066
AzureIoTClient 28:add19eb7defa 1067 if (session_instance->link_endpoint_count == 0)
AzureIoTClient 28:add19eb7defa 1068 {
AzureIoTClient 28:add19eb7defa 1069 free(session_instance->link_endpoints);
AzureIoTClient 28:add19eb7defa 1070 session_instance->link_endpoints = NULL;
AzureIoTClient 28:add19eb7defa 1071 }
AzureIoTClient 28:add19eb7defa 1072 else
AzureIoTClient 28:add19eb7defa 1073 {
AzureIoTClient 28:add19eb7defa 1074 new_endpoints = (LINK_ENDPOINT_INSTANCE**)realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * session_instance->link_endpoint_count);
AzureIoTClient 28:add19eb7defa 1075 if (new_endpoints != NULL)
AzureIoTClient 28:add19eb7defa 1076 {
AzureIoTClient 28:add19eb7defa 1077 session_instance->link_endpoints = new_endpoints;
AzureIoTClient 28:add19eb7defa 1078 }
AzureIoTClient 28:add19eb7defa 1079 }
AzureIoTClient 28:add19eb7defa 1080 }
Azure.IoT Build 0:6ae2f7bca550 1081
AzureIoTClient 28:add19eb7defa 1082 if (endpoint_instance->name != NULL)
AzureIoTClient 28:add19eb7defa 1083 {
AzureIoTClient 28:add19eb7defa 1084 free(endpoint_instance->name);
AzureIoTClient 28:add19eb7defa 1085 }
Azure.IoT Build 0:6ae2f7bca550 1086
AzureIoTClient 28:add19eb7defa 1087 free(endpoint_instance);
AzureIoTClient 28:add19eb7defa 1088 }
Azure.IoT Build 0:6ae2f7bca550 1089 }
Azure.IoT Build 0:6ae2f7bca550 1090
Azure.IoT Build 0:6ae2f7bca550 1091 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 1092 {
AzureIoTClient 28:add19eb7defa 1093 int result;
Azure.IoT Build 0:6ae2f7bca550 1094
AzureIoTClient 28:add19eb7defa 1095 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1096 (frame_received_callback == NULL))
AzureIoTClient 28:add19eb7defa 1097 {
AzureIoTClient 28:add19eb7defa 1098 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1099 }
AzureIoTClient 28:add19eb7defa 1100 else
AzureIoTClient 28:add19eb7defa 1101 {
AzureIoTClient 28:add19eb7defa 1102 link_endpoint->frame_received_callback = frame_received_callback;
AzureIoTClient 28:add19eb7defa 1103 link_endpoint->on_session_state_changed = on_session_state_changed;
AzureIoTClient 28:add19eb7defa 1104 link_endpoint->on_session_flow_on = on_session_flow_on;
AzureIoTClient 28:add19eb7defa 1105 link_endpoint->callback_context = context;
Azure.IoT Build 0:6ae2f7bca550 1106
AzureIoTClient 28:add19eb7defa 1107 if (link_endpoint->on_session_state_changed != NULL)
AzureIoTClient 28:add19eb7defa 1108 {
AzureIoTClient 28:add19eb7defa 1109 link_endpoint->on_session_state_changed(link_endpoint->callback_context, link_endpoint->session->session_state, link_endpoint->session->previous_session_state);
AzureIoTClient 28:add19eb7defa 1110 }
Azure.IoT Build 0:6ae2f7bca550 1111
AzureIoTClient 28:add19eb7defa 1112 result = 0;
AzureIoTClient 28:add19eb7defa 1113 }
Azure.IoT Build 0:6ae2f7bca550 1114
AzureIoTClient 28:add19eb7defa 1115 return result;
Azure.IoT Build 0:6ae2f7bca550 1116 }
Azure.IoT Build 0:6ae2f7bca550 1117
Azure.IoT Build 0:6ae2f7bca550 1118 static int encode_frame(LINK_ENDPOINT_HANDLE link_endpoint, const AMQP_VALUE performative, PAYLOAD* payloads, size_t payload_count)
Azure.IoT Build 0:6ae2f7bca550 1119 {
AzureIoTClient 28:add19eb7defa 1120 int result;
Azure.IoT Build 0:6ae2f7bca550 1121
AzureIoTClient 28:add19eb7defa 1122 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1123 (performative == NULL))
AzureIoTClient 28:add19eb7defa 1124 {
AzureIoTClient 28:add19eb7defa 1125 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1126 }
AzureIoTClient 28:add19eb7defa 1127 else
AzureIoTClient 28:add19eb7defa 1128 {
AzureIoTClient 28:add19eb7defa 1129 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1130 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1131
AzureIoTClient 28:add19eb7defa 1132 if (connection_encode_frame(session_instance->endpoint, performative, payloads, payload_count, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 1133 {
AzureIoTClient 28:add19eb7defa 1134 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1135 }
AzureIoTClient 28:add19eb7defa 1136 else
AzureIoTClient 28:add19eb7defa 1137 {
AzureIoTClient 28:add19eb7defa 1138 result = 0;
AzureIoTClient 28:add19eb7defa 1139 }
AzureIoTClient 28:add19eb7defa 1140 }
Azure.IoT Build 0:6ae2f7bca550 1141
AzureIoTClient 28:add19eb7defa 1142 return result;
Azure.IoT Build 0:6ae2f7bca550 1143 }
Azure.IoT Build 0:6ae2f7bca550 1144
Azure.IoT Build 0:6ae2f7bca550 1145 int session_send_flow(LINK_ENDPOINT_HANDLE link_endpoint, FLOW_HANDLE flow)
Azure.IoT Build 0:6ae2f7bca550 1146 {
AzureIoTClient 28:add19eb7defa 1147 int result;
Azure.IoT Build 0:6ae2f7bca550 1148
AzureIoTClient 28:add19eb7defa 1149 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1150 (flow == NULL))
AzureIoTClient 28:add19eb7defa 1151 {
AzureIoTClient 28:add19eb7defa 1152 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1153 }
AzureIoTClient 28:add19eb7defa 1154 else
AzureIoTClient 28:add19eb7defa 1155 {
AzureIoTClient 28:add19eb7defa 1156 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1157 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1158
AzureIoTClient 28:add19eb7defa 1159 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1160
AzureIoTClient 28:add19eb7defa 1161 if (session_instance->session_state == SESSION_STATE_BEGIN_RCVD)
AzureIoTClient 28:add19eb7defa 1162 {
AzureIoTClient 28:add19eb7defa 1163 if (flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0)
AzureIoTClient 28:add19eb7defa 1164 {
AzureIoTClient 28:add19eb7defa 1165 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1166 }
AzureIoTClient 28:add19eb7defa 1167 }
Azure.IoT Build 0:6ae2f7bca550 1168
AzureIoTClient 28:add19eb7defa 1169 if (result == 0)
AzureIoTClient 28:add19eb7defa 1170 {
AzureIoTClient 12:b30dacf113f2 1171 if ((flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0) ||
AzureIoTClient 12:b30dacf113f2 1172 (flow_set_incoming_window(flow, session_instance->incoming_window) != 0) ||
AzureIoTClient 12:b30dacf113f2 1173 (flow_set_next_outgoing_id(flow, session_instance->next_outgoing_id) != 0) ||
AzureIoTClient 28:add19eb7defa 1174 (flow_set_outgoing_window(flow, session_instance->outgoing_window) != 0) ||
AzureIoTClient 28:add19eb7defa 1175 (flow_set_handle(flow, link_endpoint_instance->output_handle) != 0))
AzureIoTClient 28:add19eb7defa 1176 {
AzureIoTClient 28:add19eb7defa 1177 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1178 }
AzureIoTClient 28:add19eb7defa 1179 else
AzureIoTClient 28:add19eb7defa 1180 {
AzureIoTClient 28:add19eb7defa 1181 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
AzureIoTClient 28:add19eb7defa 1182 if (flow_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1183 {
AzureIoTClient 28:add19eb7defa 1184 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1185 }
AzureIoTClient 28:add19eb7defa 1186 else
AzureIoTClient 28:add19eb7defa 1187 {
AzureIoTClient 28:add19eb7defa 1188 if (encode_frame(link_endpoint, flow_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1189 {
AzureIoTClient 28:add19eb7defa 1190 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1191 }
AzureIoTClient 28:add19eb7defa 1192 else
AzureIoTClient 28:add19eb7defa 1193 {
AzureIoTClient 28:add19eb7defa 1194 result = 0;
AzureIoTClient 28:add19eb7defa 1195 }
Azure.IoT Build 0:6ae2f7bca550 1196
AzureIoTClient 28:add19eb7defa 1197 amqpvalue_destroy(flow_performative_value);
AzureIoTClient 28:add19eb7defa 1198 }
AzureIoTClient 28:add19eb7defa 1199 }
AzureIoTClient 28:add19eb7defa 1200 }
AzureIoTClient 28:add19eb7defa 1201 }
Azure.IoT Build 0:6ae2f7bca550 1202
AzureIoTClient 28:add19eb7defa 1203 return result;
Azure.IoT Build 0:6ae2f7bca550 1204 }
Azure.IoT Build 0:6ae2f7bca550 1205
Azure.IoT Build 0:6ae2f7bca550 1206 int session_send_attach(LINK_ENDPOINT_HANDLE link_endpoint, ATTACH_HANDLE attach)
Azure.IoT Build 0:6ae2f7bca550 1207 {
AzureIoTClient 28:add19eb7defa 1208 int result;
Azure.IoT Build 0:6ae2f7bca550 1209
AzureIoTClient 28:add19eb7defa 1210 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1211 (attach == NULL))
AzureIoTClient 28:add19eb7defa 1212 {
AzureIoTClient 28:add19eb7defa 1213 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1214 }
AzureIoTClient 28:add19eb7defa 1215 else
AzureIoTClient 28:add19eb7defa 1216 {
AzureIoTClient 28:add19eb7defa 1217 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1218
AzureIoTClient 28:add19eb7defa 1219 if (attach_set_handle(attach, link_endpoint_instance->output_handle) != 0)
AzureIoTClient 28:add19eb7defa 1220 {
AzureIoTClient 28:add19eb7defa 1221 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1222 }
AzureIoTClient 28:add19eb7defa 1223 else
AzureIoTClient 28:add19eb7defa 1224 {
AzureIoTClient 28:add19eb7defa 1225 AMQP_VALUE attach_performative_value = amqpvalue_create_attach(attach);
AzureIoTClient 28:add19eb7defa 1226 if (attach_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1227 {
AzureIoTClient 28:add19eb7defa 1228 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1229 }
AzureIoTClient 28:add19eb7defa 1230 else
AzureIoTClient 28:add19eb7defa 1231 {
AzureIoTClient 28:add19eb7defa 1232 if (encode_frame(link_endpoint, attach_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1233 {
AzureIoTClient 28:add19eb7defa 1234 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1235 }
AzureIoTClient 28:add19eb7defa 1236 else
AzureIoTClient 28:add19eb7defa 1237 {
AzureIoTClient 28:add19eb7defa 1238 result = 0;
AzureIoTClient 28:add19eb7defa 1239 }
Azure.IoT Build 0:6ae2f7bca550 1240
AzureIoTClient 28:add19eb7defa 1241 amqpvalue_destroy(attach_performative_value);
AzureIoTClient 28:add19eb7defa 1242 }
AzureIoTClient 28:add19eb7defa 1243 }
AzureIoTClient 28:add19eb7defa 1244 }
Azure.IoT Build 0:6ae2f7bca550 1245
AzureIoTClient 28:add19eb7defa 1246 return result;
Azure.IoT Build 0:6ae2f7bca550 1247 }
Azure.IoT Build 0:6ae2f7bca550 1248
Azure.IoT Build 0:6ae2f7bca550 1249 int session_send_disposition(LINK_ENDPOINT_HANDLE link_endpoint, DISPOSITION_HANDLE disposition)
Azure.IoT Build 0:6ae2f7bca550 1250 {
AzureIoTClient 28:add19eb7defa 1251 int result;
Azure.IoT Build 0:6ae2f7bca550 1252
AzureIoTClient 28:add19eb7defa 1253 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1254 (disposition == NULL))
AzureIoTClient 28:add19eb7defa 1255 {
AzureIoTClient 28:add19eb7defa 1256 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1257 }
AzureIoTClient 28:add19eb7defa 1258 else
AzureIoTClient 28:add19eb7defa 1259 {
AzureIoTClient 28:add19eb7defa 1260 AMQP_VALUE disposition_performative_value = amqpvalue_create_disposition(disposition);
AzureIoTClient 28:add19eb7defa 1261 if (disposition_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1262 {
AzureIoTClient 28:add19eb7defa 1263 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1264 }
AzureIoTClient 28:add19eb7defa 1265 else
AzureIoTClient 28:add19eb7defa 1266 {
AzureIoTClient 28:add19eb7defa 1267 if (encode_frame(link_endpoint, disposition_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1268 {
AzureIoTClient 28:add19eb7defa 1269 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1270 }
AzureIoTClient 28:add19eb7defa 1271 else
AzureIoTClient 28:add19eb7defa 1272 {
AzureIoTClient 28:add19eb7defa 1273 result = 0;
AzureIoTClient 28:add19eb7defa 1274 }
Azure.IoT Build 0:6ae2f7bca550 1275
AzureIoTClient 28:add19eb7defa 1276 amqpvalue_destroy(disposition_performative_value);
AzureIoTClient 28:add19eb7defa 1277 }
AzureIoTClient 28:add19eb7defa 1278 }
Azure.IoT Build 0:6ae2f7bca550 1279
AzureIoTClient 28:add19eb7defa 1280 return result;
Azure.IoT Build 0:6ae2f7bca550 1281 }
Azure.IoT Build 0:6ae2f7bca550 1282
Azure.IoT Build 0:6ae2f7bca550 1283 int session_send_detach(LINK_ENDPOINT_HANDLE link_endpoint, DETACH_HANDLE detach)
Azure.IoT Build 0:6ae2f7bca550 1284 {
AzureIoTClient 28:add19eb7defa 1285 int result;
Azure.IoT Build 0:6ae2f7bca550 1286
AzureIoTClient 28:add19eb7defa 1287 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1288 (detach == NULL))
AzureIoTClient 28:add19eb7defa 1289 {
AzureIoTClient 28:add19eb7defa 1290 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1291 }
AzureIoTClient 28:add19eb7defa 1292 else
AzureIoTClient 28:add19eb7defa 1293 {
AzureIoTClient 28:add19eb7defa 1294 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1295
AzureIoTClient 28:add19eb7defa 1296 if (detach_set_handle(detach, link_endpoint_instance->output_handle) != 0)
AzureIoTClient 28:add19eb7defa 1297 {
AzureIoTClient 28:add19eb7defa 1298 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1299 }
AzureIoTClient 28:add19eb7defa 1300 else
AzureIoTClient 28:add19eb7defa 1301 {
AzureIoTClient 28:add19eb7defa 1302 AMQP_VALUE detach_performative_value = amqpvalue_create_detach(detach);
AzureIoTClient 28:add19eb7defa 1303 if (detach_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1304 {
AzureIoTClient 28:add19eb7defa 1305 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1306 }
AzureIoTClient 28:add19eb7defa 1307 else
AzureIoTClient 28:add19eb7defa 1308 {
AzureIoTClient 28:add19eb7defa 1309 if (encode_frame(link_endpoint, detach_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1310 {
AzureIoTClient 28:add19eb7defa 1311 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1312 }
AzureIoTClient 28:add19eb7defa 1313 else
AzureIoTClient 28:add19eb7defa 1314 {
AzureIoTClient 28:add19eb7defa 1315 result = 0;
AzureIoTClient 28:add19eb7defa 1316 }
Azure.IoT Build 0:6ae2f7bca550 1317
AzureIoTClient 28:add19eb7defa 1318 amqpvalue_destroy(detach_performative_value);
AzureIoTClient 28:add19eb7defa 1319 }
AzureIoTClient 28:add19eb7defa 1320 }
AzureIoTClient 28:add19eb7defa 1321 }
Azure.IoT Build 0:6ae2f7bca550 1322
AzureIoTClient 28:add19eb7defa 1323 return result;
Azure.IoT Build 0:6ae2f7bca550 1324 }
Azure.IoT Build 0:6ae2f7bca550 1325
Azure.IoT Build 0:6ae2f7bca550 1326 /* 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 1327 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 1328 {
AzureIoTClient 28:add19eb7defa 1329 SESSION_SEND_TRANSFER_RESULT result;
Azure.IoT Build 0:6ae2f7bca550 1330
AzureIoTClient 28:add19eb7defa 1331 /* Codes_SRS_SESSION_01_054: [If link_endpoint or transfer is NULL, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 28:add19eb7defa 1332 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1333 (transfer == NULL))
AzureIoTClient 28:add19eb7defa 1334 {
AzureIoTClient 28:add19eb7defa 1335 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 28:add19eb7defa 1336 }
AzureIoTClient 28:add19eb7defa 1337 else
AzureIoTClient 28:add19eb7defa 1338 {
AzureIoTClient 28:add19eb7defa 1339 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1340 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1341
AzureIoTClient 28:add19eb7defa 1342 /* 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.] */
AzureIoTClient 28:add19eb7defa 1343 if (session_instance->session_state != SESSION_STATE_MAPPED)
AzureIoTClient 28:add19eb7defa 1344 {
AzureIoTClient 28:add19eb7defa 1345 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 28:add19eb7defa 1346 }
AzureIoTClient 28:add19eb7defa 1347 else
AzureIoTClient 28:add19eb7defa 1348 {
AzureIoTClient 28:add19eb7defa 1349 size_t payload_size = 0;
AzureIoTClient 28:add19eb7defa 1350 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1351
AzureIoTClient 28:add19eb7defa 1352 for (i = 0; i < payload_count; i++)
AzureIoTClient 28:add19eb7defa 1353 {
AzureIoTClient 6:641a9672db08 1354 if ((payloads[i].length > UINT32_MAX) ||
AzureIoTClient 6:641a9672db08 1355 (payload_size + payloads[i].length < payload_size))
AzureIoTClient 6:641a9672db08 1356 {
AzureIoTClient 6:641a9672db08 1357 break;
AzureIoTClient 6:641a9672db08 1358 }
AzureIoTClient 6:641a9672db08 1359
AzureIoTClient 6:641a9672db08 1360 payload_size += payloads[i].length;
AzureIoTClient 6:641a9672db08 1361 }
Azure.IoT Build 0:6ae2f7bca550 1362
AzureIoTClient 6:641a9672db08 1363 if ((i < payload_count) ||
AzureIoTClient 6:641a9672db08 1364 (payload_size > UINT32_MAX))
AzureIoTClient 6:641a9672db08 1365 {
AzureIoTClient 6:641a9672db08 1366 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1367 }
AzureIoTClient 6:641a9672db08 1368 else
AzureIoTClient 6:641a9672db08 1369 {
AzureIoTClient 6:641a9672db08 1370 if (session_instance->remote_incoming_window == 0)
AzureIoTClient 6:641a9672db08 1371 {
AzureIoTClient 6:641a9672db08 1372 result = SESSION_SEND_TRANSFER_BUSY;
AzureIoTClient 6:641a9672db08 1373 }
AzureIoTClient 6:641a9672db08 1374 else
AzureIoTClient 6:641a9672db08 1375 {
AzureIoTClient 6:641a9672db08 1376 /* Codes_SRS_SESSION_01_012: [The session endpoint assigns each outgoing transfer frame an implicit transfer-id from a session scoped sequence.] */
AzureIoTClient 6:641a9672db08 1377 /* Codes_SRS_SESSION_01_027: [sending a transfer Upon sending a transfer, the sending endpoint will increment its next-outgoing-id] */
AzureIoTClient 6:641a9672db08 1378 *delivery_id = session_instance->next_outgoing_id;
AzureIoTClient 6:641a9672db08 1379 if ((transfer_set_handle(transfer, link_endpoint_instance->output_handle) != 0) ||
AzureIoTClient 6:641a9672db08 1380 (transfer_set_delivery_id(transfer, *delivery_id) != 0) ||
AzureIoTClient 6:641a9672db08 1381 (transfer_set_more(transfer, false) != 0))
AzureIoTClient 6:641a9672db08 1382 {
AzureIoTClient 6:641a9672db08 1383 /* Codes_SRS_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1384 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1385 }
AzureIoTClient 6:641a9672db08 1386 else
AzureIoTClient 6:641a9672db08 1387 {
AzureIoTClient 6:641a9672db08 1388 AMQP_VALUE transfer_value;
Azure.IoT Build 0:6ae2f7bca550 1389
AzureIoTClient 6:641a9672db08 1390 transfer_value = amqpvalue_create_transfer(transfer);
AzureIoTClient 6:641a9672db08 1391 if (transfer_value == NULL)
AzureIoTClient 6:641a9672db08 1392 {
AzureIoTClient 6:641a9672db08 1393 /* Codes_SRS_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1394 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1395 }
AzureIoTClient 6:641a9672db08 1396 else
AzureIoTClient 6:641a9672db08 1397 {
AzureIoTClient 6:641a9672db08 1398 uint32_t available_frame_size;
AzureIoTClient 6:641a9672db08 1399 size_t encoded_size;
Azure.IoT Build 0:6ae2f7bca550 1400
AzureIoTClient 6:641a9672db08 1401 if ((connection_get_remote_max_frame_size(session_instance->connection, &available_frame_size) != 0) ||
AzureIoTClient 6:641a9672db08 1402 (amqpvalue_get_encoded_size(transfer_value, &encoded_size) != 0))
AzureIoTClient 6:641a9672db08 1403 {
AzureIoTClient 6:641a9672db08 1404 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1405 }
AzureIoTClient 6:641a9672db08 1406 else
AzureIoTClient 6:641a9672db08 1407 {
AzureIoTClient 6:641a9672db08 1408 payload_size = 0;
Azure.IoT Build 0:6ae2f7bca550 1409
AzureIoTClient 6:641a9672db08 1410 for (i = 0; i < payload_count; i++)
AzureIoTClient 6:641a9672db08 1411 {
AzureIoTClient 6:641a9672db08 1412 payload_size += payloads[i].length;
AzureIoTClient 6:641a9672db08 1413 }
AzureIoTClient 6:641a9672db08 1414
AzureIoTClient 6:641a9672db08 1415 available_frame_size -= (uint32_t)encoded_size;
AzureIoTClient 6:641a9672db08 1416 available_frame_size -= 8;
Azure.IoT Build 0:6ae2f7bca550 1417
AzureIoTClient 6:641a9672db08 1418 if (available_frame_size >= payload_size)
AzureIoTClient 6:641a9672db08 1419 {
AzureIoTClient 6:641a9672db08 1420 /* 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.] */
AzureIoTClient 6:641a9672db08 1421 if (connection_encode_frame(session_instance->endpoint, transfer_value, payloads, payload_count, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1422 {
AzureIoTClient 6:641a9672db08 1423 /* Codes_SRS_SESSION_01_056: [If connection_encode_frame fails then session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1424 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1425 }
AzureIoTClient 6:641a9672db08 1426 else
AzureIoTClient 6:641a9672db08 1427 {
AzureIoTClient 6:641a9672db08 1428 /* Codes_SRS_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
AzureIoTClient 6:641a9672db08 1429 session_instance->next_outgoing_id++;
AzureIoTClient 6:641a9672db08 1430 session_instance->remote_incoming_window--;
AzureIoTClient 6:641a9672db08 1431 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1432
AzureIoTClient 6:641a9672db08 1433 /* Codes_SRS_SESSION_01_053: [On success, session_send_transfer shall return 0.] */
AzureIoTClient 6:641a9672db08 1434 result = SESSION_SEND_TRANSFER_OK;
AzureIoTClient 6:641a9672db08 1435 }
AzureIoTClient 6:641a9672db08 1436 }
AzureIoTClient 6:641a9672db08 1437 else
AzureIoTClient 6:641a9672db08 1438 {
AzureIoTClient 6:641a9672db08 1439 size_t current_payload_index = 0;
AzureIoTClient 6:641a9672db08 1440 uint32_t current_payload_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 1441
AzureIoTClient 6:641a9672db08 1442 /* break it down into different deliveries */
AzureIoTClient 6:641a9672db08 1443 while (payload_size > 0)
AzureIoTClient 6:641a9672db08 1444 {
AzureIoTClient 6:641a9672db08 1445 uint32_t transfer_frame_payload_count = 0;
AzureIoTClient 6:641a9672db08 1446 uint32_t current_transfer_frame_payload_size = (uint32_t)payload_size;
AzureIoTClient 6:641a9672db08 1447 uint32_t byte_counter;
AzureIoTClient 6:641a9672db08 1448 size_t temp_current_payload_index = current_payload_index;
AzureIoTClient 6:641a9672db08 1449 uint32_t temp_current_payload_pos = current_payload_pos;
AzureIoTClient 6:641a9672db08 1450 AMQP_VALUE multi_transfer_amqp_value;
AzureIoTClient 28:add19eb7defa 1451 PAYLOAD* transfer_frame_payloads;
AzureIoTClient 6:641a9672db08 1452 bool more;
AzureIoTClient 6:641a9672db08 1453
AzureIoTClient 6:641a9672db08 1454 if (current_transfer_frame_payload_size > available_frame_size)
AzureIoTClient 6:641a9672db08 1455 {
AzureIoTClient 6:641a9672db08 1456 current_transfer_frame_payload_size = available_frame_size;
AzureIoTClient 6:641a9672db08 1457 }
Azure.IoT Build 0:6ae2f7bca550 1458
AzureIoTClient 6:641a9672db08 1459 if (available_frame_size >= payload_size)
AzureIoTClient 6:641a9672db08 1460 {
AzureIoTClient 6:641a9672db08 1461 more = false;
AzureIoTClient 6:641a9672db08 1462 }
AzureIoTClient 6:641a9672db08 1463 else
AzureIoTClient 6:641a9672db08 1464 {
AzureIoTClient 6:641a9672db08 1465 more = true;
AzureIoTClient 6:641a9672db08 1466 }
Azure.IoT Build 0:6ae2f7bca550 1467
AzureIoTClient 6:641a9672db08 1468 if (transfer_set_more(transfer, more) != 0)
AzureIoTClient 6:641a9672db08 1469 {
AzureIoTClient 6:641a9672db08 1470 break;
AzureIoTClient 6:641a9672db08 1471 }
Azure.IoT Build 0:6ae2f7bca550 1472
AzureIoTClient 6:641a9672db08 1473 multi_transfer_amqp_value = amqpvalue_create_transfer(transfer);
AzureIoTClient 6:641a9672db08 1474 if (multi_transfer_amqp_value == NULL)
AzureIoTClient 6:641a9672db08 1475 {
AzureIoTClient 6:641a9672db08 1476 break;
AzureIoTClient 6:641a9672db08 1477 }
Azure.IoT Build 0:6ae2f7bca550 1478
AzureIoTClient 6:641a9672db08 1479 byte_counter = current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1480 while (byte_counter > 0)
AzureIoTClient 6:641a9672db08 1481 {
AzureIoTClient 6:641a9672db08 1482 if (payloads[temp_current_payload_index].length - temp_current_payload_pos >= byte_counter)
AzureIoTClient 6:641a9672db08 1483 {
AzureIoTClient 6:641a9672db08 1484 /* more data than we need */
AzureIoTClient 6:641a9672db08 1485 temp_current_payload_pos += byte_counter;
AzureIoTClient 6:641a9672db08 1486 byte_counter = 0;
AzureIoTClient 6:641a9672db08 1487 }
AzureIoTClient 6:641a9672db08 1488 else
AzureIoTClient 6:641a9672db08 1489 {
AzureIoTClient 6:641a9672db08 1490 byte_counter -= (uint32_t)payloads[temp_current_payload_index].length - temp_current_payload_pos;
AzureIoTClient 6:641a9672db08 1491 temp_current_payload_index++;
AzureIoTClient 6:641a9672db08 1492 temp_current_payload_pos = 0;
AzureIoTClient 6:641a9672db08 1493 }
AzureIoTClient 6:641a9672db08 1494 }
Azure.IoT Build 0:6ae2f7bca550 1495
AzureIoTClient 6:641a9672db08 1496 transfer_frame_payload_count = (uint32_t)(temp_current_payload_index - current_payload_index + 1);
AzureIoTClient 25:1101516ee67d 1497 transfer_frame_payloads = (PAYLOAD*)malloc(transfer_frame_payload_count * sizeof(PAYLOAD));
AzureIoTClient 6:641a9672db08 1498 if (transfer_frame_payloads == NULL)
AzureIoTClient 6:641a9672db08 1499 {
AzureIoTClient 6:641a9672db08 1500 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1501 break;
AzureIoTClient 6:641a9672db08 1502 }
Azure.IoT Build 0:6ae2f7bca550 1503
AzureIoTClient 6:641a9672db08 1504 /* copy data */
AzureIoTClient 6:641a9672db08 1505 byte_counter = current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1506 transfer_frame_payload_count = 0;
Azure.IoT Build 0:6ae2f7bca550 1507
AzureIoTClient 6:641a9672db08 1508 while (byte_counter > 0)
AzureIoTClient 6:641a9672db08 1509 {
AzureIoTClient 6:641a9672db08 1510 if (payloads[current_payload_index].length - current_payload_pos > byte_counter)
AzureIoTClient 6:641a9672db08 1511 {
AzureIoTClient 6:641a9672db08 1512 /* more data than we need */
AzureIoTClient 6:641a9672db08 1513 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
AzureIoTClient 6:641a9672db08 1514 transfer_frame_payloads[transfer_frame_payload_count].length = byte_counter;
AzureIoTClient 6:641a9672db08 1515 current_payload_pos += byte_counter;
AzureIoTClient 6:641a9672db08 1516 byte_counter = 0;
AzureIoTClient 6:641a9672db08 1517 }
AzureIoTClient 6:641a9672db08 1518 else
AzureIoTClient 6:641a9672db08 1519 {
AzureIoTClient 6:641a9672db08 1520 /* copy entire payload and move to the next */
AzureIoTClient 6:641a9672db08 1521 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
AzureIoTClient 6:641a9672db08 1522 transfer_frame_payloads[transfer_frame_payload_count].length = payloads[current_payload_index].length - current_payload_pos;
AzureIoTClient 6:641a9672db08 1523 byte_counter -= (uint32_t)payloads[current_payload_index].length - current_payload_pos;
AzureIoTClient 6:641a9672db08 1524 current_payload_index++;
AzureIoTClient 6:641a9672db08 1525 current_payload_pos = 0;
AzureIoTClient 6:641a9672db08 1526 }
Azure.IoT Build 0:6ae2f7bca550 1527
AzureIoTClient 6:641a9672db08 1528 transfer_frame_payload_count++;
AzureIoTClient 6:641a9672db08 1529 }
Azure.IoT Build 0:6ae2f7bca550 1530
AzureIoTClient 6:641a9672db08 1531 if (connection_encode_frame(session_instance->endpoint, multi_transfer_amqp_value, transfer_frame_payloads, transfer_frame_payload_count, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1532 {
AzureIoTClient 21:f9c433d8e6ca 1533 free(transfer_frame_payloads);
AzureIoTClient 6:641a9672db08 1534 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1535 break;
AzureIoTClient 6:641a9672db08 1536 }
Azure.IoT Build 0:6ae2f7bca550 1537
AzureIoTClient 21:f9c433d8e6ca 1538 free(transfer_frame_payloads);
AzureIoTClient 6:641a9672db08 1539 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1540 payload_size -= current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1541 }
Azure.IoT Build 0:6ae2f7bca550 1542
AzureIoTClient 6:641a9672db08 1543 if (payload_size > 0)
AzureIoTClient 6:641a9672db08 1544 {
AzureIoTClient 6:641a9672db08 1545 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1546 }
AzureIoTClient 6:641a9672db08 1547 else
AzureIoTClient 6:641a9672db08 1548 {
AzureIoTClient 6:641a9672db08 1549 /* Codes_SRS_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
AzureIoTClient 6:641a9672db08 1550 session_instance->next_outgoing_id++;
AzureIoTClient 6:641a9672db08 1551 session_instance->remote_incoming_window--;
AzureIoTClient 6:641a9672db08 1552 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1553
AzureIoTClient 6:641a9672db08 1554 result = SESSION_SEND_TRANSFER_OK;
AzureIoTClient 6:641a9672db08 1555 }
AzureIoTClient 6:641a9672db08 1556 }
AzureIoTClient 6:641a9672db08 1557 }
Azure.IoT Build 0:6ae2f7bca550 1558
AzureIoTClient 6:641a9672db08 1559 amqpvalue_destroy(transfer_value);
AzureIoTClient 6:641a9672db08 1560 }
AzureIoTClient 6:641a9672db08 1561 }
AzureIoTClient 6:641a9672db08 1562 }
AzureIoTClient 6:641a9672db08 1563 }
AzureIoTClient 28:add19eb7defa 1564 }
AzureIoTClient 28:add19eb7defa 1565 }
Azure.IoT Build 0:6ae2f7bca550 1566
AzureIoTClient 28:add19eb7defa 1567 return result;
Azure.IoT Build 0:6ae2f7bca550 1568 }