Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

session.c@18:a922a4a30a82, 2017-02-10 (annotated)

Committer:
AzureIoTClient
Date:
Fri Feb 10 17:00:55 2017 -0800
Revision:
18:a922a4a30a82
Parent:
17:923575db8b2d
Child:
19:000ab4e6a2c1
1.1.7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #include <string.h>
Azure.IoT Build 0:6ae2f7bca550 6 #include "azure_uamqp_c/session.h"
Azure.IoT Build 0:6ae2f7bca550 7 #include "azure_uamqp_c/connection.h"
Azure.IoT Build 0:6ae2f7bca550 8 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 9 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 10
Azure.IoT Build 0:6ae2f7bca550 11 typedef struct LINK_ENDPOINT_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 12 {
Azure.IoT Build 0:6ae2f7bca550 13 char* name;
Azure.IoT Build 0:6ae2f7bca550 14 handle input_handle;
Azure.IoT Build 0:6ae2f7bca550 15 handle output_handle;
Azure.IoT Build 0:6ae2f7bca550 16 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
Azure.IoT Build 0:6ae2f7bca550 17 ON_SESSION_STATE_CHANGED on_session_state_changed;
Azure.IoT Build 0:6ae2f7bca550 18 ON_SESSION_FLOW_ON on_session_flow_on;
Azure.IoT Build 0:6ae2f7bca550 19 void* callback_context;
Azure.IoT Build 0:6ae2f7bca550 20 SESSION_HANDLE session;
Azure.IoT Build 0:6ae2f7bca550 21 } LINK_ENDPOINT_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 22
Azure.IoT Build 0:6ae2f7bca550 23 typedef struct SESSION_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 24 {
Azure.IoT Build 0:6ae2f7bca550 25 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
Azure.IoT Build 0:6ae2f7bca550 26 void* frame_received_callback_context;
Azure.IoT Build 0:6ae2f7bca550 27 SESSION_STATE session_state;
Azure.IoT Build 0:6ae2f7bca550 28 SESSION_STATE previous_session_state;
Azure.IoT Build 0:6ae2f7bca550 29 CONNECTION_HANDLE connection;
Azure.IoT Build 0:6ae2f7bca550 30 ENDPOINT_HANDLE endpoint;
Azure.IoT Build 0:6ae2f7bca550 31 LINK_ENDPOINT_INSTANCE** link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 32 uint32_t link_endpoint_count;
Azure.IoT Build 0:6ae2f7bca550 33
Azure.IoT Build 0:6ae2f7bca550 34 ON_LINK_ATTACHED on_link_attached;
Azure.IoT Build 0:6ae2f7bca550 35 void* on_link_attached_callback_context;
Azure.IoT Build 0:6ae2f7bca550 36
Azure.IoT Build 0:6ae2f7bca550 37 /* Codes_SRS_SESSION_01_016: [next-outgoing-id The next-outgoing-id is the transfer-id to assign to the next transfer frame.] */
Azure.IoT Build 0:6ae2f7bca550 38 transfer_number next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 39 transfer_number next_incoming_id;
Azure.IoT Build 0:6ae2f7bca550 40 uint32_t desired_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 41 uint32_t incoming_window;
Azure.IoT Build 0:6ae2f7bca550 42 uint32_t outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 43 handle handle_max;
Azure.IoT Build 0:6ae2f7bca550 44 uint32_t remote_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 45 uint32_t remote_outgoing_window;
AzureIoTClient 6:641a9672db08 46 int is_underlying_connection_open : 1;
Azure.IoT Build 0:6ae2f7bca550 47 } SESSION_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 48
AzureIoTClient 6:641a9672db08 49 #define UNDERLYING_CONNECTION_NOT_OPEN 0
AzureIoTClient 6:641a9672db08 50 #define UNDERLYING_CONNECTION_OPEN -1
AzureIoTClient 6:641a9672db08 51
Azure.IoT Build 0:6ae2f7bca550 52 static void session_set_state(SESSION_INSTANCE* session_instance, SESSION_STATE session_state)
Azure.IoT Build 0:6ae2f7bca550 53 {
Azure.IoT Build 0:6ae2f7bca550 54 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 55
Azure.IoT Build 0:6ae2f7bca550 56 session_instance->previous_session_state = session_instance->session_state;
Azure.IoT Build 0:6ae2f7bca550 57 session_instance->session_state = session_state;
Azure.IoT Build 0:6ae2f7bca550 58
Azure.IoT Build 0:6ae2f7bca550 59 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 60 {
Azure.IoT Build 0:6ae2f7bca550 61 if (session_instance->link_endpoints[i]->on_session_state_changed != NULL)
Azure.IoT Build 0:6ae2f7bca550 62 {
Azure.IoT Build 0:6ae2f7bca550 63 session_instance->link_endpoints[i]->on_session_state_changed(session_instance->link_endpoints[i]->callback_context, session_state, session_instance->previous_session_state);
Azure.IoT Build 0:6ae2f7bca550 64 }
Azure.IoT Build 0:6ae2f7bca550 65 }
Azure.IoT Build 0:6ae2f7bca550 66 }
Azure.IoT Build 0:6ae2f7bca550 67
Azure.IoT Build 0:6ae2f7bca550 68 static int send_end_frame(SESSION_INSTANCE* session_instance, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 69 {
Azure.IoT Build 0:6ae2f7bca550 70 int result;
Azure.IoT Build 0:6ae2f7bca550 71 END_HANDLE end_performative;
Azure.IoT Build 0:6ae2f7bca550 72
Azure.IoT Build 0:6ae2f7bca550 73 end_performative = end_create();
Azure.IoT Build 0:6ae2f7bca550 74 if (end_performative == NULL)
Azure.IoT Build 0:6ae2f7bca550 75 {
Azure.IoT Build 0:6ae2f7bca550 76 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 77 }
Azure.IoT Build 0:6ae2f7bca550 78 else
Azure.IoT Build 0:6ae2f7bca550 79 {
Azure.IoT Build 0:6ae2f7bca550 80 if ((error_handle != NULL) &&
Azure.IoT Build 0:6ae2f7bca550 81 (end_set_error(end_performative, error_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 82 {
Azure.IoT Build 0:6ae2f7bca550 83 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 84 }
Azure.IoT Build 0:6ae2f7bca550 85 else
Azure.IoT Build 0:6ae2f7bca550 86 {
Azure.IoT Build 0:6ae2f7bca550 87 AMQP_VALUE end_performative_value = amqpvalue_create_end(end_performative);
Azure.IoT Build 0:6ae2f7bca550 88 if (end_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 89 {
Azure.IoT Build 0:6ae2f7bca550 90 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 91 }
Azure.IoT Build 0:6ae2f7bca550 92 else
Azure.IoT Build 0:6ae2f7bca550 93 {
Azure.IoT Build 0:6ae2f7bca550 94 if (connection_encode_frame(session_instance->endpoint, end_performative_value, NULL, 0, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 95 {
Azure.IoT Build 0:6ae2f7bca550 96 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 97 }
Azure.IoT Build 0:6ae2f7bca550 98 else
Azure.IoT Build 0:6ae2f7bca550 99 {
Azure.IoT Build 0:6ae2f7bca550 100 result = 0;
Azure.IoT Build 0:6ae2f7bca550 101 }
Azure.IoT Build 0:6ae2f7bca550 102
Azure.IoT Build 0:6ae2f7bca550 103 amqpvalue_destroy(end_performative_value);
Azure.IoT Build 0:6ae2f7bca550 104 }
Azure.IoT Build 0:6ae2f7bca550 105 }
Azure.IoT Build 0:6ae2f7bca550 106
Azure.IoT Build 0:6ae2f7bca550 107 end_destroy(end_performative);
Azure.IoT Build 0:6ae2f7bca550 108 }
Azure.IoT Build 0:6ae2f7bca550 109
Azure.IoT Build 0:6ae2f7bca550 110 return result;
Azure.IoT Build 0:6ae2f7bca550 111 }
Azure.IoT Build 0:6ae2f7bca550 112
Azure.IoT Build 0:6ae2f7bca550 113 static void end_session_with_error(SESSION_INSTANCE* session_instance, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 114 {
Azure.IoT Build 0:6ae2f7bca550 115 ERROR_HANDLE error_handle = error_create(condition_value);
Azure.IoT Build 0:6ae2f7bca550 116 if (error_handle == NULL)
Azure.IoT Build 0:6ae2f7bca550 117 {
Azure.IoT Build 0:6ae2f7bca550 118 /* fatal error */
Azure.IoT Build 0:6ae2f7bca550 119 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 120 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session");
Azure.IoT Build 0:6ae2f7bca550 121 }
Azure.IoT Build 0:6ae2f7bca550 122 else
Azure.IoT Build 0:6ae2f7bca550 123 {
Azure.IoT Build 0:6ae2f7bca550 124 if ((error_set_description(error_handle, description) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 125 (send_end_frame(session_instance, error_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 126 {
Azure.IoT Build 0:6ae2f7bca550 127 /* fatal error */
Azure.IoT Build 0:6ae2f7bca550 128 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 129 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session");
Azure.IoT Build 0:6ae2f7bca550 130 }
Azure.IoT Build 0:6ae2f7bca550 131 else
Azure.IoT Build 0:6ae2f7bca550 132 {
Azure.IoT Build 0:6ae2f7bca550 133 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 134 }
Azure.IoT Build 0:6ae2f7bca550 135
Azure.IoT Build 0:6ae2f7bca550 136 error_destroy(error_handle);
Azure.IoT Build 0:6ae2f7bca550 137 }
Azure.IoT Build 0:6ae2f7bca550 138 }
Azure.IoT Build 0:6ae2f7bca550 139
Azure.IoT Build 0:6ae2f7bca550 140 static int send_begin(SESSION_INSTANCE* session_instance)
Azure.IoT Build 0:6ae2f7bca550 141 {
Azure.IoT Build 0:6ae2f7bca550 142 int result;
Azure.IoT Build 0:6ae2f7bca550 143 BEGIN_HANDLE begin = begin_create(session_instance->next_outgoing_id, session_instance->incoming_window, session_instance->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 144
Azure.IoT Build 0:6ae2f7bca550 145 if (begin == NULL)
Azure.IoT Build 0:6ae2f7bca550 146 {
Azure.IoT Build 0:6ae2f7bca550 147 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 148 }
Azure.IoT Build 0:6ae2f7bca550 149 else
Azure.IoT Build 0:6ae2f7bca550 150 {
Azure.IoT Build 0:6ae2f7bca550 151 uint16_t remote_channel;
Azure.IoT Build 0:6ae2f7bca550 152 if (begin_set_handle_max(begin, session_instance->handle_max) != 0)
Azure.IoT Build 0:6ae2f7bca550 153 {
Azure.IoT Build 0:6ae2f7bca550 154 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 155 }
Azure.IoT Build 0:6ae2f7bca550 156 else if ((session_instance->session_state == SESSION_STATE_BEGIN_RCVD) &&
Azure.IoT Build 0:6ae2f7bca550 157 ((connection_endpoint_get_incoming_channel(session_instance->endpoint, &remote_channel) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 158 (begin_set_remote_channel(begin, remote_channel) != 0)))
Azure.IoT Build 0:6ae2f7bca550 159 {
Azure.IoT Build 0:6ae2f7bca550 160 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 161 }
Azure.IoT Build 0:6ae2f7bca550 162 else
Azure.IoT Build 0:6ae2f7bca550 163 {
Azure.IoT Build 0:6ae2f7bca550 164 AMQP_VALUE begin_performative_value = amqpvalue_create_begin(begin);
Azure.IoT Build 0:6ae2f7bca550 165 if (begin_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 166 {
Azure.IoT Build 0:6ae2f7bca550 167 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 168 }
Azure.IoT Build 0:6ae2f7bca550 169 else
Azure.IoT Build 0:6ae2f7bca550 170 {
Azure.IoT Build 0:6ae2f7bca550 171 if (connection_encode_frame(session_instance->endpoint, begin_performative_value, NULL, 0, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 172 {
Azure.IoT Build 0:6ae2f7bca550 173 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 174 }
Azure.IoT Build 0:6ae2f7bca550 175 else
Azure.IoT Build 0:6ae2f7bca550 176 {
Azure.IoT Build 0:6ae2f7bca550 177 result = 0;
Azure.IoT Build 0:6ae2f7bca550 178 }
Azure.IoT Build 0:6ae2f7bca550 179
Azure.IoT Build 0:6ae2f7bca550 180 amqpvalue_destroy(begin_performative_value);
Azure.IoT Build 0:6ae2f7bca550 181 }
Azure.IoT Build 0:6ae2f7bca550 182 }
Azure.IoT Build 0:6ae2f7bca550 183
Azure.IoT Build 0:6ae2f7bca550 184 begin_destroy(begin);
Azure.IoT Build 0:6ae2f7bca550 185 }
Azure.IoT Build 0:6ae2f7bca550 186
Azure.IoT Build 0:6ae2f7bca550 187 return result;
Azure.IoT Build 0:6ae2f7bca550 188 }
Azure.IoT Build 0:6ae2f7bca550 189
Azure.IoT Build 0:6ae2f7bca550 190 static int send_flow(SESSION_INSTANCE* session)
Azure.IoT Build 0:6ae2f7bca550 191 {
Azure.IoT Build 0:6ae2f7bca550 192 int result;
Azure.IoT Build 0:6ae2f7bca550 193 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 194 {
Azure.IoT Build 0:6ae2f7bca550 195 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 196 }
Azure.IoT Build 0:6ae2f7bca550 197 else
Azure.IoT Build 0:6ae2f7bca550 198 {
Azure.IoT Build 0:6ae2f7bca550 199 FLOW_HANDLE flow = flow_create(session->incoming_window, session->next_outgoing_id, session->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 200
Azure.IoT Build 0:6ae2f7bca550 201 if (flow == NULL)
Azure.IoT Build 0:6ae2f7bca550 202 {
Azure.IoT Build 0:6ae2f7bca550 203 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 204 }
Azure.IoT Build 0:6ae2f7bca550 205 else
Azure.IoT Build 0:6ae2f7bca550 206 {
Azure.IoT Build 0:6ae2f7bca550 207 if (flow_set_next_incoming_id(flow, session->next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 208 {
Azure.IoT Build 0:6ae2f7bca550 209 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 210 }
Azure.IoT Build 0:6ae2f7bca550 211 else
Azure.IoT Build 0:6ae2f7bca550 212 {
Azure.IoT Build 0:6ae2f7bca550 213 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
Azure.IoT Build 0:6ae2f7bca550 214 if (flow_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 215 {
Azure.IoT Build 0:6ae2f7bca550 216 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 217 }
Azure.IoT Build 0:6ae2f7bca550 218 else
Azure.IoT Build 0:6ae2f7bca550 219 {
Azure.IoT Build 0:6ae2f7bca550 220 if (connection_encode_frame(session->endpoint, flow_performative_value, NULL, 0, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 221 {
Azure.IoT Build 0:6ae2f7bca550 222 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 223 }
Azure.IoT Build 0:6ae2f7bca550 224 else
Azure.IoT Build 0:6ae2f7bca550 225 {
Azure.IoT Build 0:6ae2f7bca550 226 result = 0;
Azure.IoT Build 0:6ae2f7bca550 227 }
Azure.IoT Build 0:6ae2f7bca550 228
Azure.IoT Build 0:6ae2f7bca550 229 amqpvalue_destroy(flow_performative_value);
Azure.IoT Build 0:6ae2f7bca550 230 }
Azure.IoT Build 0:6ae2f7bca550 231 }
Azure.IoT Build 0:6ae2f7bca550 232
Azure.IoT Build 0:6ae2f7bca550 233 flow_destroy(flow);
Azure.IoT Build 0:6ae2f7bca550 234 }
Azure.IoT Build 0:6ae2f7bca550 235 }
Azure.IoT Build 0:6ae2f7bca550 236
Azure.IoT Build 0:6ae2f7bca550 237 return result;
Azure.IoT Build 0:6ae2f7bca550 238 }
Azure.IoT Build 0:6ae2f7bca550 239
Azure.IoT Build 0:6ae2f7bca550 240 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_name(SESSION_INSTANCE* session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 241 {
Azure.IoT Build 0:6ae2f7bca550 242 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 243 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 244
Azure.IoT Build 0:6ae2f7bca550 245 for (i = 0; i < session->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 246 {
Azure.IoT Build 0:6ae2f7bca550 247 if (strcmp(session->link_endpoints[i]->name, name) == 0)
Azure.IoT Build 0:6ae2f7bca550 248 {
Azure.IoT Build 0:6ae2f7bca550 249 break;
Azure.IoT Build 0:6ae2f7bca550 250 }
Azure.IoT Build 0:6ae2f7bca550 251 }
Azure.IoT Build 0:6ae2f7bca550 252
Azure.IoT Build 0:6ae2f7bca550 253 if (i == session->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 254 {
Azure.IoT Build 0:6ae2f7bca550 255 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 256 }
Azure.IoT Build 0:6ae2f7bca550 257 else
Azure.IoT Build 0:6ae2f7bca550 258 {
Azure.IoT Build 0:6ae2f7bca550 259 result = session->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 260 }
Azure.IoT Build 0:6ae2f7bca550 261
Azure.IoT Build 0:6ae2f7bca550 262 return result;
Azure.IoT Build 0:6ae2f7bca550 263 }
Azure.IoT Build 0:6ae2f7bca550 264
Azure.IoT Build 0:6ae2f7bca550 265 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_input_handle(SESSION_INSTANCE* session, handle input_handle)
Azure.IoT Build 0:6ae2f7bca550 266 {
Azure.IoT Build 0:6ae2f7bca550 267 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 268 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 269
Azure.IoT Build 0:6ae2f7bca550 270 for (i = 0; i < session->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 271 {
Azure.IoT Build 0:6ae2f7bca550 272 if (session->link_endpoints[i]->input_handle == input_handle)
Azure.IoT Build 0:6ae2f7bca550 273 {
Azure.IoT Build 0:6ae2f7bca550 274 break;
Azure.IoT Build 0:6ae2f7bca550 275 }
Azure.IoT Build 0:6ae2f7bca550 276 }
Azure.IoT Build 0:6ae2f7bca550 277
Azure.IoT Build 0:6ae2f7bca550 278 if (i == session->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 279 {
Azure.IoT Build 0:6ae2f7bca550 280 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 281 }
Azure.IoT Build 0:6ae2f7bca550 282 else
Azure.IoT Build 0:6ae2f7bca550 283 {
Azure.IoT Build 0:6ae2f7bca550 284 result = session->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 285 }
Azure.IoT Build 0:6ae2f7bca550 286
Azure.IoT Build 0:6ae2f7bca550 287 return result;
Azure.IoT Build 0:6ae2f7bca550 288 }
Azure.IoT Build 0:6ae2f7bca550 289
Azure.IoT Build 0:6ae2f7bca550 290 static void on_connection_state_changed(void* context, CONNECTION_STATE new_connection_state, CONNECTION_STATE previous_connection_state)
Azure.IoT Build 0:6ae2f7bca550 291 {
Azure.IoT Build 0:6ae2f7bca550 292 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 293
Azure.IoT Build 0:6ae2f7bca550 294 /* Codes_SRS_SESSION_01_060: [If the previous connection state is not OPENED and the new connection state is OPENED, the BEGIN frame shall be sent out and the state shall be switched to BEGIN_SENT.] */
Azure.IoT Build 0:6ae2f7bca550 295 if ((new_connection_state == CONNECTION_STATE_OPENED) && (previous_connection_state != CONNECTION_STATE_OPENED) && (session_instance->session_state == SESSION_STATE_UNMAPPED))
Azure.IoT Build 0:6ae2f7bca550 296 {
Azure.IoT Build 0:6ae2f7bca550 297 if (send_begin(session_instance) == 0)
Azure.IoT Build 0:6ae2f7bca550 298 {
Azure.IoT Build 0:6ae2f7bca550 299 session_set_state(session_instance, SESSION_STATE_BEGIN_SENT);
Azure.IoT Build 0:6ae2f7bca550 300 }
Azure.IoT Build 0:6ae2f7bca550 301 }
Azure.IoT Build 0:6ae2f7bca550 302 /* Codes_SRS_SESSION_01_061: [If the previous connection state is OPENED and the new connection state is not OPENED anymore, the state shall be switched to DISCARDING.] */
Azure.IoT Build 0:6ae2f7bca550 303 else if ((new_connection_state == CONNECTION_STATE_CLOSE_RCVD) || (new_connection_state == CONNECTION_STATE_END))
Azure.IoT Build 0:6ae2f7bca550 304 {
Azure.IoT Build 0:6ae2f7bca550 305 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 306 }
AzureIoTClient 1:eab586236bfe 307 /* Codes_SRS_SESSION_09_001: [If the new connection state is ERROR, the state shall be switched to ERROR.] */
AzureIoTClient 1:eab586236bfe 308 else if (new_connection_state == CONNECTION_STATE_ERROR)
AzureIoTClient 1:eab586236bfe 309 {
AzureIoTClient 1:eab586236bfe 310 session_set_state(session_instance, SESSION_STATE_ERROR);
AzureIoTClient 1:eab586236bfe 311 }
Azure.IoT Build 0:6ae2f7bca550 312 }
Azure.IoT Build 0:6ae2f7bca550 313
Azure.IoT Build 0:6ae2f7bca550 314 static void on_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes)
Azure.IoT Build 0:6ae2f7bca550 315 {
Azure.IoT Build 0:6ae2f7bca550 316 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 317 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
Azure.IoT Build 0:6ae2f7bca550 318
Azure.IoT Build 0:6ae2f7bca550 319 if (is_begin_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 320 {
Azure.IoT Build 0:6ae2f7bca550 321 BEGIN_HANDLE begin_handle;
Azure.IoT Build 0:6ae2f7bca550 322
Azure.IoT Build 0:6ae2f7bca550 323 if (amqpvalue_get_begin(performative, &begin_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 324 {
Azure.IoT Build 0:6ae2f7bca550 325 connection_close(session_instance->connection, "amqp:decode-error", "Cannot decode BEGIN frame");
Azure.IoT Build 0:6ae2f7bca550 326 }
Azure.IoT Build 0:6ae2f7bca550 327 else
Azure.IoT Build 0:6ae2f7bca550 328 {
Azure.IoT Build 0:6ae2f7bca550 329 if ((begin_get_incoming_window(begin_handle, &session_instance->remote_incoming_window) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 330 (begin_get_next_outgoing_id(begin_handle, &session_instance->next_incoming_id) != 0))
Azure.IoT Build 0:6ae2f7bca550 331 {
Azure.IoT Build 0:6ae2f7bca550 332 /* error */
Azure.IoT Build 0:6ae2f7bca550 333 begin_destroy(begin_handle);
Azure.IoT Build 0:6ae2f7bca550 334 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 335 connection_close(session_instance->connection, "amqp:decode-error", "Cannot get incoming windows and next outgoing id");
Azure.IoT Build 0:6ae2f7bca550 336 }
Azure.IoT Build 0:6ae2f7bca550 337 else
Azure.IoT Build 0:6ae2f7bca550 338 {
Azure.IoT Build 0:6ae2f7bca550 339 begin_destroy(begin_handle);
Azure.IoT Build 0:6ae2f7bca550 340
Azure.IoT Build 0:6ae2f7bca550 341 if (session_instance->session_state == SESSION_STATE_BEGIN_SENT)
Azure.IoT Build 0:6ae2f7bca550 342 {
Azure.IoT Build 0:6ae2f7bca550 343 session_set_state(session_instance, SESSION_STATE_MAPPED);
Azure.IoT Build 0:6ae2f7bca550 344 }
Azure.IoT Build 0:6ae2f7bca550 345 else if(session_instance->session_state == SESSION_STATE_UNMAPPED)
Azure.IoT Build 0:6ae2f7bca550 346 {
Azure.IoT Build 0:6ae2f7bca550 347 session_set_state(session_instance, SESSION_STATE_BEGIN_RCVD);
Azure.IoT Build 0:6ae2f7bca550 348 if (send_begin(session_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 349 {
Azure.IoT Build 0:6ae2f7bca550 350 connection_close(session_instance->connection, "amqp:internal-error", "Failed sending BEGIN frame");
Azure.IoT Build 0:6ae2f7bca550 351 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 352 }
Azure.IoT Build 0:6ae2f7bca550 353 else
Azure.IoT Build 0:6ae2f7bca550 354 {
Azure.IoT Build 0:6ae2f7bca550 355 session_set_state(session_instance, SESSION_STATE_MAPPED);
Azure.IoT Build 0:6ae2f7bca550 356 }
Azure.IoT Build 0:6ae2f7bca550 357 }
Azure.IoT Build 0:6ae2f7bca550 358 }
Azure.IoT Build 0:6ae2f7bca550 359 }
Azure.IoT Build 0:6ae2f7bca550 360 }
Azure.IoT Build 0:6ae2f7bca550 361 else if (is_attach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 362 {
Azure.IoT Build 0:6ae2f7bca550 363 const char* name = NULL;
Azure.IoT Build 0:6ae2f7bca550 364 ATTACH_HANDLE attach_handle;
Azure.IoT Build 0:6ae2f7bca550 365
Azure.IoT Build 0:6ae2f7bca550 366 if (amqpvalue_get_attach(performative, &attach_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 367 {
Azure.IoT Build 0:6ae2f7bca550 368 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 369 }
Azure.IoT Build 0:6ae2f7bca550 370 else
Azure.IoT Build 0:6ae2f7bca550 371 {
Azure.IoT Build 0:6ae2f7bca550 372 role role;
Azure.IoT Build 0:6ae2f7bca550 373 AMQP_VALUE source;
Azure.IoT Build 0:6ae2f7bca550 374 AMQP_VALUE target;
Azure.IoT Build 0:6ae2f7bca550 375
Azure.IoT Build 0:6ae2f7bca550 376 if ((attach_get_name(attach_handle, &name) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 377 (attach_get_role(attach_handle, &role) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 378 (attach_get_source(attach_handle, &source) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 379 (attach_get_target(attach_handle, &target) != 0))
Azure.IoT Build 0:6ae2f7bca550 380 {
Azure.IoT Build 0:6ae2f7bca550 381 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link name from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 382 }
Azure.IoT Build 0:6ae2f7bca550 383 else
Azure.IoT Build 0:6ae2f7bca550 384 {
Azure.IoT Build 0:6ae2f7bca550 385 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_name(session_instance, name);
Azure.IoT Build 0:6ae2f7bca550 386 if (link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 387 {
Azure.IoT Build 0:6ae2f7bca550 388 /* new link attach */
Azure.IoT Build 0:6ae2f7bca550 389 if (session_instance->on_link_attached != NULL)
Azure.IoT Build 0:6ae2f7bca550 390 {
Azure.IoT Build 0:6ae2f7bca550 391 LINK_ENDPOINT_HANDLE new_link_endpoint = session_create_link_endpoint(session_instance, name);
Azure.IoT Build 0:6ae2f7bca550 392 if (new_link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 393 {
Azure.IoT Build 0:6ae2f7bca550 394 end_session_with_error(session_instance, "amqp:internal-error", "Cannot create link endpoint");
Azure.IoT Build 0:6ae2f7bca550 395 }
Azure.IoT Build 0:6ae2f7bca550 396 else if (attach_get_handle(attach_handle, &new_link_endpoint->input_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 397 {
Azure.IoT Build 0:6ae2f7bca550 398 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 399 }
Azure.IoT Build 0:6ae2f7bca550 400 else
Azure.IoT Build 0:6ae2f7bca550 401 {
Azure.IoT Build 0:6ae2f7bca550 402 if (!session_instance->on_link_attached(session_instance->on_link_attached_callback_context, new_link_endpoint, name, role, source, target))
Azure.IoT Build 0:6ae2f7bca550 403 {
Azure.IoT Build 0:6ae2f7bca550 404 session_destroy_link_endpoint(new_link_endpoint);
Azure.IoT Build 0:6ae2f7bca550 405 new_link_endpoint = NULL;
Azure.IoT Build 0:6ae2f7bca550 406 }
Azure.IoT Build 0:6ae2f7bca550 407 else
Azure.IoT Build 0:6ae2f7bca550 408 {
Azure.IoT Build 0:6ae2f7bca550 409 if (new_link_endpoint->frame_received_callback != NULL)
Azure.IoT Build 0:6ae2f7bca550 410 {
Azure.IoT Build 0:6ae2f7bca550 411 new_link_endpoint->frame_received_callback(new_link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 412 }
Azure.IoT Build 0:6ae2f7bca550 413 }
Azure.IoT Build 0:6ae2f7bca550 414 }
Azure.IoT Build 0:6ae2f7bca550 415 }
Azure.IoT Build 0:6ae2f7bca550 416 }
Azure.IoT Build 0:6ae2f7bca550 417 else
Azure.IoT Build 0:6ae2f7bca550 418 {
Azure.IoT Build 0:6ae2f7bca550 419 if (attach_get_handle(attach_handle, &link_endpoint->input_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 420 {
Azure.IoT Build 0:6ae2f7bca550 421 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 422 }
Azure.IoT Build 0:6ae2f7bca550 423 else
Azure.IoT Build 0:6ae2f7bca550 424 {
Azure.IoT Build 0:6ae2f7bca550 425 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 426 }
Azure.IoT Build 0:6ae2f7bca550 427 }
Azure.IoT Build 0:6ae2f7bca550 428 }
Azure.IoT Build 0:6ae2f7bca550 429
Azure.IoT Build 0:6ae2f7bca550 430 attach_destroy(attach_handle);
Azure.IoT Build 0:6ae2f7bca550 431 }
Azure.IoT Build 0:6ae2f7bca550 432 }
Azure.IoT Build 0:6ae2f7bca550 433 else if (is_detach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 434 {
Azure.IoT Build 0:6ae2f7bca550 435 DETACH_HANDLE detach_handle;
Azure.IoT Build 0:6ae2f7bca550 436
Azure.IoT Build 0:6ae2f7bca550 437 if (amqpvalue_get_detach(performative, &detach_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 438 {
Azure.IoT Build 0:6ae2f7bca550 439 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode DETACH frame");
Azure.IoT Build 0:6ae2f7bca550 440 }
Azure.IoT Build 0:6ae2f7bca550 441 else
Azure.IoT Build 0:6ae2f7bca550 442 {
Azure.IoT Build 0:6ae2f7bca550 443 uint32_t remote_handle;
Azure.IoT Build 0:6ae2f7bca550 444 if (detach_get_handle(detach_handle, &remote_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 445 {
Azure.IoT Build 0:6ae2f7bca550 446 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from DETACH frame");
Azure.IoT Build 0:6ae2f7bca550 447
Azure.IoT Build 0:6ae2f7bca550 448 detach_destroy(detach_handle);
Azure.IoT Build 0:6ae2f7bca550 449 }
Azure.IoT Build 0:6ae2f7bca550 450 else
Azure.IoT Build 0:6ae2f7bca550 451 {
Azure.IoT Build 0:6ae2f7bca550 452 detach_destroy(detach_handle);
Azure.IoT Build 0:6ae2f7bca550 453
Azure.IoT Build 0:6ae2f7bca550 454 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
Azure.IoT Build 0:6ae2f7bca550 455 if (link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 456 {
Azure.IoT Build 0:6ae2f7bca550 457 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
Azure.IoT Build 0:6ae2f7bca550 458 }
Azure.IoT Build 0:6ae2f7bca550 459 else
Azure.IoT Build 0:6ae2f7bca550 460 {
Azure.IoT Build 0:6ae2f7bca550 461 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 462 }
Azure.IoT Build 0:6ae2f7bca550 463 }
Azure.IoT Build 0:6ae2f7bca550 464 }
Azure.IoT Build 0:6ae2f7bca550 465 }
Azure.IoT Build 0:6ae2f7bca550 466 else if (is_flow_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 467 {
Azure.IoT Build 0:6ae2f7bca550 468 FLOW_HANDLE flow_handle;
Azure.IoT Build 0:6ae2f7bca550 469
Azure.IoT Build 0:6ae2f7bca550 470 if (amqpvalue_get_flow(performative, &flow_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 471 {
Azure.IoT Build 0:6ae2f7bca550 472 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
Azure.IoT Build 0:6ae2f7bca550 473 }
Azure.IoT Build 0:6ae2f7bca550 474 else
Azure.IoT Build 0:6ae2f7bca550 475 {
Azure.IoT Build 0:6ae2f7bca550 476 uint32_t remote_handle;
Azure.IoT Build 0:6ae2f7bca550 477 transfer_number flow_next_incoming_id;
Azure.IoT Build 0:6ae2f7bca550 478 uint32_t flow_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 479
Azure.IoT Build 0:6ae2f7bca550 480 if (flow_get_next_incoming_id(flow_handle, &flow_next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 481 {
Azure.IoT Build 0:6ae2f7bca550 482 /*
Azure.IoT Build 0:6ae2f7bca550 483 If the next-incoming-id field of the flow frame is not set,
Azure.IoT Build 0:6ae2f7bca550 484 then remote-incomingwindow is computed as follows:
Azure.IoT Build 0:6ae2f7bca550 485 initial-outgoing-id(endpoint) + incoming-window(flow) - next-outgoing-id(endpoint)
Azure.IoT Build 0:6ae2f7bca550 486 */
Azure.IoT Build 0:6ae2f7bca550 487 flow_next_incoming_id = session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 488 }
Azure.IoT Build 0:6ae2f7bca550 489
Azure.IoT Build 0:6ae2f7bca550 490 if ((flow_get_next_outgoing_id(flow_handle, &session_instance->next_incoming_id) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 491 (flow_get_incoming_window(flow_handle, &flow_incoming_window) != 0))
Azure.IoT Build 0:6ae2f7bca550 492 {
Azure.IoT Build 0:6ae2f7bca550 493 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 494
Azure.IoT Build 0:6ae2f7bca550 495 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
Azure.IoT Build 0:6ae2f7bca550 496 }
Azure.IoT Build 0:6ae2f7bca550 497 else
Azure.IoT Build 0:6ae2f7bca550 498 {
Azure.IoT Build 0:6ae2f7bca550 499 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = NULL;
Azure.IoT Build 0:6ae2f7bca550 500
Azure.IoT Build 0:6ae2f7bca550 501 session_instance->remote_incoming_window = flow_next_incoming_id + flow_incoming_window - session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 502
Azure.IoT Build 0:6ae2f7bca550 503 if (flow_get_handle(flow_handle, &remote_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 504 {
Azure.IoT Build 0:6ae2f7bca550 505 link_endpoint_instance = find_link_endpoint_by_input_handle(session_instance, remote_handle);
Azure.IoT Build 0:6ae2f7bca550 506 }
Azure.IoT Build 0:6ae2f7bca550 507
Azure.IoT Build 0:6ae2f7bca550 508 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 509
Azure.IoT Build 0:6ae2f7bca550 510 if (link_endpoint_instance != NULL)
Azure.IoT Build 0:6ae2f7bca550 511 {
Azure.IoT Build 0:6ae2f7bca550 512 link_endpoint_instance->frame_received_callback(link_endpoint_instance->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 513 }
Azure.IoT Build 0:6ae2f7bca550 514
Azure.IoT Build 0:6ae2f7bca550 515 size_t i = 0;
Azure.IoT Build 0:6ae2f7bca550 516 while ((session_instance->remote_incoming_window > 0) && (i < session_instance->link_endpoint_count))
Azure.IoT Build 0:6ae2f7bca550 517 {
Azure.IoT Build 0:6ae2f7bca550 518 /* notify the caller that it can send here */
Azure.IoT Build 0:6ae2f7bca550 519 if (session_instance->link_endpoints[i]->on_session_flow_on != NULL)
Azure.IoT Build 0:6ae2f7bca550 520 {
Azure.IoT Build 0:6ae2f7bca550 521 session_instance->link_endpoints[i]->on_session_flow_on(session_instance->link_endpoints[i]->callback_context);
Azure.IoT Build 0:6ae2f7bca550 522 }
Azure.IoT Build 0:6ae2f7bca550 523
Azure.IoT Build 0:6ae2f7bca550 524 i++;
Azure.IoT Build 0:6ae2f7bca550 525 }
Azure.IoT Build 0:6ae2f7bca550 526 }
Azure.IoT Build 0:6ae2f7bca550 527 }
Azure.IoT Build 0:6ae2f7bca550 528 }
Azure.IoT Build 0:6ae2f7bca550 529 else if (is_transfer_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 530 {
Azure.IoT Build 0:6ae2f7bca550 531 TRANSFER_HANDLE transfer_handle;
Azure.IoT Build 0:6ae2f7bca550 532
Azure.IoT Build 0:6ae2f7bca550 533 if (amqpvalue_get_transfer(performative, &transfer_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 534 {
Azure.IoT Build 0:6ae2f7bca550 535 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode TRANSFER frame");
Azure.IoT Build 0:6ae2f7bca550 536 }
Azure.IoT Build 0:6ae2f7bca550 537 else
Azure.IoT Build 0:6ae2f7bca550 538 {
Azure.IoT Build 0:6ae2f7bca550 539 uint32_t remote_handle;
Azure.IoT Build 0:6ae2f7bca550 540 delivery_number delivery_id;
Azure.IoT Build 0:6ae2f7bca550 541
Azure.IoT Build 0:6ae2f7bca550 542 transfer_get_delivery_id(transfer_handle, &delivery_id);
Azure.IoT Build 0:6ae2f7bca550 543 if (transfer_get_handle(transfer_handle, &remote_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 544 {
Azure.IoT Build 0:6ae2f7bca550 545 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 546 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from TRANSFER frame");
Azure.IoT Build 0:6ae2f7bca550 547 }
Azure.IoT Build 0:6ae2f7bca550 548 else
Azure.IoT Build 0:6ae2f7bca550 549 {
Azure.IoT Build 0:6ae2f7bca550 550 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 551
Azure.IoT Build 0:6ae2f7bca550 552 session_instance->next_incoming_id++;
Azure.IoT Build 0:6ae2f7bca550 553 session_instance->remote_outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 554 session_instance->incoming_window--;
Azure.IoT Build 0:6ae2f7bca550 555
AzureIoTClient 12:b30dacf113f2 556 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
Azure.IoT Build 0:6ae2f7bca550 557 if (link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 558 {
Azure.IoT Build 0:6ae2f7bca550 559 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
Azure.IoT Build 0:6ae2f7bca550 560 }
Azure.IoT Build 0:6ae2f7bca550 561 else
Azure.IoT Build 0:6ae2f7bca550 562 {
Azure.IoT Build 0:6ae2f7bca550 563 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 564 }
Azure.IoT Build 0:6ae2f7bca550 565
Azure.IoT Build 0:6ae2f7bca550 566 if (session_instance->incoming_window == 0)
Azure.IoT Build 0:6ae2f7bca550 567 {
Azure.IoT Build 0:6ae2f7bca550 568 session_instance->incoming_window = session_instance->desired_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 569 send_flow(session_instance);
Azure.IoT Build 0:6ae2f7bca550 570 }
Azure.IoT Build 0:6ae2f7bca550 571 }
Azure.IoT Build 0:6ae2f7bca550 572 }
Azure.IoT Build 0:6ae2f7bca550 573 }
Azure.IoT Build 0:6ae2f7bca550 574 else if (is_disposition_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 575 {
Azure.IoT Build 0:6ae2f7bca550 576 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 577
Azure.IoT Build 0:6ae2f7bca550 578 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 579 {
Azure.IoT Build 0:6ae2f7bca550 580 LINK_ENDPOINT_INSTANCE* link_endpoint = session_instance->link_endpoints[i];
Azure.IoT Build 0:6ae2f7bca550 581 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 582 }
Azure.IoT Build 0:6ae2f7bca550 583 }
Azure.IoT Build 0:6ae2f7bca550 584 else if (is_end_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 585 {
Azure.IoT Build 0:6ae2f7bca550 586 END_HANDLE end_handle;
Azure.IoT Build 0:6ae2f7bca550 587
Azure.IoT Build 0:6ae2f7bca550 588 if (amqpvalue_get_end(performative, &end_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 589 {
Azure.IoT Build 0:6ae2f7bca550 590 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode END frame");
Azure.IoT Build 0:6ae2f7bca550 591 }
Azure.IoT Build 0:6ae2f7bca550 592 else
Azure.IoT Build 0:6ae2f7bca550 593 {
Azure.IoT Build 0:6ae2f7bca550 594 if ((session_instance->session_state != SESSION_STATE_END_RCVD) &&
Azure.IoT Build 0:6ae2f7bca550 595 (session_instance->session_state != SESSION_STATE_DISCARDING))
Azure.IoT Build 0:6ae2f7bca550 596 {
Azure.IoT Build 0:6ae2f7bca550 597 session_set_state(session_instance, SESSION_STATE_END_RCVD);
Azure.IoT Build 0:6ae2f7bca550 598 if (send_end_frame(session_instance, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 599 {
Azure.IoT Build 0:6ae2f7bca550 600 /* fatal error */
Azure.IoT Build 0:6ae2f7bca550 601 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot send END frame.");
Azure.IoT Build 0:6ae2f7bca550 602 }
Azure.IoT Build 0:6ae2f7bca550 603
Azure.IoT Build 0:6ae2f7bca550 604 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 605 }
Azure.IoT Build 0:6ae2f7bca550 606 }
Azure.IoT Build 0:6ae2f7bca550 607 }
Azure.IoT Build 0:6ae2f7bca550 608 }
Azure.IoT Build 0:6ae2f7bca550 609
Azure.IoT Build 0:6ae2f7bca550 610 SESSION_HANDLE session_create(CONNECTION_HANDLE connection, ON_LINK_ATTACHED on_link_attached, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 611 {
Azure.IoT Build 0:6ae2f7bca550 612 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 613
Azure.IoT Build 0:6ae2f7bca550 614 if (connection == NULL)
Azure.IoT Build 0:6ae2f7bca550 615 {
Azure.IoT Build 0:6ae2f7bca550 616 /* Codes_SRS_SESSION_01_031: [If connection is NULL, session_create shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 617 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 618 }
Azure.IoT Build 0:6ae2f7bca550 619 else
Azure.IoT Build 0:6ae2f7bca550 620 {
Azure.IoT Build 0:6ae2f7bca550 621 /* Codes_SRS_SESSION_01_030: [session_create shall create a new session instance and return a non-NULL handle to it.] */
Azure.IoT Build 0:6ae2f7bca550 622 result = amqpalloc_malloc(sizeof(SESSION_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 623 /* Codes_SRS_SESSION_01_042: [If allocating memory for the session fails, session_create shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 624 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 625 {
Azure.IoT Build 0:6ae2f7bca550 626 result->connection = connection;
Azure.IoT Build 0:6ae2f7bca550 627 result->link_endpoints = NULL;
Azure.IoT Build 0:6ae2f7bca550 628 result->link_endpoint_count = 0;
Azure.IoT Build 0:6ae2f7bca550 629 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 630
Azure.IoT Build 0:6ae2f7bca550 631 /* Codes_SRS_SESSION_01_057: [The delivery ids shall be assigned starting at 0.] */
Azure.IoT Build 0:6ae2f7bca550 632 /* Codes_SRS_SESSION_01_017: [The nextoutgoing-id MAY be initialized to an arbitrary value ] */
Azure.IoT Build 0:6ae2f7bca550 633 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 634
Azure.IoT Build 0:6ae2f7bca550 635 result->desired_incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 636 result->incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 637 result->outgoing_window = 1;
Azure.IoT Build 0:6ae2f7bca550 638 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 639 result->remote_incoming_window = 0;
Azure.IoT Build 0:6ae2f7bca550 640 result->remote_outgoing_window = 0;
Azure.IoT Build 0:6ae2f7bca550 641 result->previous_session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 6:641a9672db08 642 result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 643 result->session_state = SESSION_STATE_UNMAPPED;
Azure.IoT Build 0:6ae2f7bca550 644 result->on_link_attached = on_link_attached;
Azure.IoT Build 0:6ae2f7bca550 645 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 646
Azure.IoT Build 0:6ae2f7bca550 647 /* Codes_SRS_SESSION_01_032: [session_create shall create a new session endpoint by calling connection_create_endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 648 result->endpoint = connection_create_endpoint(connection);
Azure.IoT Build 0:6ae2f7bca550 649 if (result->endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 650 {
Azure.IoT Build 0:6ae2f7bca550 651 /* Codes_SRS_SESSION_01_033: [If connection_create_endpoint fails, session_create shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 652 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 653 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 654 }
Azure.IoT Build 0:6ae2f7bca550 655 else
Azure.IoT Build 0:6ae2f7bca550 656 {
Azure.IoT Build 0:6ae2f7bca550 657 session_set_state(result, SESSION_STATE_UNMAPPED);
Azure.IoT Build 0:6ae2f7bca550 658 }
Azure.IoT Build 0:6ae2f7bca550 659 }
Azure.IoT Build 0:6ae2f7bca550 660 }
Azure.IoT Build 0:6ae2f7bca550 661
Azure.IoT Build 0:6ae2f7bca550 662 return result;
Azure.IoT Build 0:6ae2f7bca550 663 }
Azure.IoT Build 0:6ae2f7bca550 664
Azure.IoT Build 0:6ae2f7bca550 665 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 666 {
Azure.IoT Build 0:6ae2f7bca550 667 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 668
Azure.IoT Build 0:6ae2f7bca550 669 if (endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 670 {
Azure.IoT Build 0:6ae2f7bca550 671 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 672 }
Azure.IoT Build 0:6ae2f7bca550 673 else
Azure.IoT Build 0:6ae2f7bca550 674 {
Azure.IoT Build 0:6ae2f7bca550 675 result = amqpalloc_malloc(sizeof(SESSION_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 676 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 677 {
Azure.IoT Build 0:6ae2f7bca550 678 result->connection = connection;
Azure.IoT Build 0:6ae2f7bca550 679 result->link_endpoints = NULL;
Azure.IoT Build 0:6ae2f7bca550 680 result->link_endpoint_count = 0;
Azure.IoT Build 0:6ae2f7bca550 681 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 682
Azure.IoT Build 0:6ae2f7bca550 683 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 684
Azure.IoT Build 0:6ae2f7bca550 685 result->incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 686 result->outgoing_window = 1;
Azure.IoT Build 0:6ae2f7bca550 687 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 688 result->remote_incoming_window = 0;
Azure.IoT Build 0:6ae2f7bca550 689 result->remote_outgoing_window = 0;
Azure.IoT Build 0:6ae2f7bca550 690 result->previous_session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 6:641a9672db08 691 result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 692 result->session_state = SESSION_STATE_UNMAPPED;
Azure.IoT Build 0:6ae2f7bca550 693 result->on_link_attached = on_link_attached;
Azure.IoT Build 0:6ae2f7bca550 694 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 695
Azure.IoT Build 0:6ae2f7bca550 696 result->endpoint = endpoint;
Azure.IoT Build 0:6ae2f7bca550 697 session_set_state(result, SESSION_STATE_UNMAPPED);
Azure.IoT Build 0:6ae2f7bca550 698 }
Azure.IoT Build 0:6ae2f7bca550 699 }
Azure.IoT Build 0:6ae2f7bca550 700
Azure.IoT Build 0:6ae2f7bca550 701 return result;
Azure.IoT Build 0:6ae2f7bca550 702 }
Azure.IoT Build 0:6ae2f7bca550 703
Azure.IoT Build 0:6ae2f7bca550 704 void session_destroy(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 705 {
Azure.IoT Build 0:6ae2f7bca550 706 /* Codes_SRS_SESSION_01_036: [If session is NULL, session_destroy shall do nothing.] */
Azure.IoT Build 0:6ae2f7bca550 707 if (session != NULL)
Azure.IoT Build 0:6ae2f7bca550 708 {
Azure.IoT Build 0:6ae2f7bca550 709 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 710
Azure.IoT Build 0:6ae2f7bca550 711 session_end(session, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 712
Azure.IoT Build 0:6ae2f7bca550 713 /* Codes_SRS_SESSION_01_034: [session_destroy shall free all resources allocated by session_create.] */
Azure.IoT Build 0:6ae2f7bca550 714 /* Codes_SRS_SESSION_01_035: [The endpoint created in session_create shall be freed by calling connection_destroy_endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 715 connection_destroy_endpoint(session_instance->endpoint);
Azure.IoT Build 0:6ae2f7bca550 716 if (session_instance->link_endpoints != NULL)
Azure.IoT Build 0:6ae2f7bca550 717 {
Azure.IoT Build 0:6ae2f7bca550 718 amqpalloc_free(session_instance->link_endpoints);
Azure.IoT Build 0:6ae2f7bca550 719 }
Azure.IoT Build 0:6ae2f7bca550 720
Azure.IoT Build 0:6ae2f7bca550 721 amqpalloc_free(session);
Azure.IoT Build 0:6ae2f7bca550 722 }
Azure.IoT Build 0:6ae2f7bca550 723 }
Azure.IoT Build 0:6ae2f7bca550 724
Azure.IoT Build 0:6ae2f7bca550 725 int session_begin(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 726 {
Azure.IoT Build 0:6ae2f7bca550 727 int result;
Azure.IoT Build 0:6ae2f7bca550 728
Azure.IoT Build 0:6ae2f7bca550 729 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 730 {
Azure.IoT Build 0:6ae2f7bca550 731 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 732 }
Azure.IoT Build 0:6ae2f7bca550 733 else
Azure.IoT Build 0:6ae2f7bca550 734 {
Azure.IoT Build 0:6ae2f7bca550 735 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 736
Azure.IoT Build 0:6ae2f7bca550 737 if (connection_start_endpoint(session_instance->endpoint, on_frame_received, on_connection_state_changed, session_instance) != 0)
Azure.IoT Build 0:6ae2f7bca550 738 {
Azure.IoT Build 0:6ae2f7bca550 739 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 740 }
Azure.IoT Build 0:6ae2f7bca550 741 else
Azure.IoT Build 0:6ae2f7bca550 742 {
Azure.IoT Build 0:6ae2f7bca550 743 if (!session_instance->is_underlying_connection_open)
Azure.IoT Build 0:6ae2f7bca550 744 {
Azure.IoT Build 0:6ae2f7bca550 745 if (connection_open(session_instance->connection) != 0)
Azure.IoT Build 0:6ae2f7bca550 746 {
AzureIoTClient 6:641a9672db08 747 session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
Azure.IoT Build 0:6ae2f7bca550 748 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 749 }
Azure.IoT Build 0:6ae2f7bca550 750 else
Azure.IoT Build 0:6ae2f7bca550 751 {
AzureIoTClient 6:641a9672db08 752 session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_OPEN;
Azure.IoT Build 0:6ae2f7bca550 753 result = 0;
Azure.IoT Build 0:6ae2f7bca550 754 }
Azure.IoT Build 0:6ae2f7bca550 755 }
Azure.IoT Build 0:6ae2f7bca550 756 else
Azure.IoT Build 0:6ae2f7bca550 757 {
Azure.IoT Build 0:6ae2f7bca550 758 result = 0;
Azure.IoT Build 0:6ae2f7bca550 759 }
Azure.IoT Build 0:6ae2f7bca550 760 }
Azure.IoT Build 0:6ae2f7bca550 761 }
Azure.IoT Build 0:6ae2f7bca550 762
Azure.IoT Build 0:6ae2f7bca550 763 return result;
Azure.IoT Build 0:6ae2f7bca550 764 }
Azure.IoT Build 0:6ae2f7bca550 765
Azure.IoT Build 0:6ae2f7bca550 766 int session_end(SESSION_HANDLE session, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 767 {
Azure.IoT Build 0:6ae2f7bca550 768 int result;
Azure.IoT Build 0:6ae2f7bca550 769
Azure.IoT Build 0:6ae2f7bca550 770 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 771 {
Azure.IoT Build 0:6ae2f7bca550 772 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 773 }
Azure.IoT Build 0:6ae2f7bca550 774 else
Azure.IoT Build 0:6ae2f7bca550 775 {
Azure.IoT Build 0:6ae2f7bca550 776 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 777
Azure.IoT Build 0:6ae2f7bca550 778 if ((session_instance->session_state != SESSION_STATE_UNMAPPED) &&
Azure.IoT Build 0:6ae2f7bca550 779 (session_instance->session_state != SESSION_STATE_DISCARDING))
Azure.IoT Build 0:6ae2f7bca550 780 {
Azure.IoT Build 0:6ae2f7bca550 781 ERROR_HANDLE error_handle = NULL;
Azure.IoT Build 0:6ae2f7bca550 782 result = 0;
Azure.IoT Build 0:6ae2f7bca550 783
Azure.IoT Build 0:6ae2f7bca550 784 if (condition_value != NULL)
Azure.IoT Build 0:6ae2f7bca550 785 {
Azure.IoT Build 0:6ae2f7bca550 786 error_handle = error_create(condition_value);
Azure.IoT Build 0:6ae2f7bca550 787 if (error_handle == NULL)
Azure.IoT Build 0:6ae2f7bca550 788 {
Azure.IoT Build 0:6ae2f7bca550 789 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 790 }
Azure.IoT Build 0:6ae2f7bca550 791 else
Azure.IoT Build 0:6ae2f7bca550 792 {
Azure.IoT Build 0:6ae2f7bca550 793 if (error_set_description(error_handle, description) != 0)
Azure.IoT Build 0:6ae2f7bca550 794 {
Azure.IoT Build 0:6ae2f7bca550 795 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 796 }
Azure.IoT Build 0:6ae2f7bca550 797 }
Azure.IoT Build 0:6ae2f7bca550 798 }
Azure.IoT Build 0:6ae2f7bca550 799
Azure.IoT Build 0:6ae2f7bca550 800 if (result == 0)
Azure.IoT Build 0:6ae2f7bca550 801 {
Azure.IoT Build 0:6ae2f7bca550 802 if (send_end_frame(session_instance, error_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 803 {
Azure.IoT Build 0:6ae2f7bca550 804 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 805 }
Azure.IoT Build 0:6ae2f7bca550 806 else
Azure.IoT Build 0:6ae2f7bca550 807 {
Azure.IoT Build 0:6ae2f7bca550 808 session_set_state(session_instance, SESSION_STATE_DISCARDING);
Azure.IoT Build 0:6ae2f7bca550 809 result = 0;
Azure.IoT Build 0:6ae2f7bca550 810 }
Azure.IoT Build 0:6ae2f7bca550 811 }
Azure.IoT Build 0:6ae2f7bca550 812
Azure.IoT Build 0:6ae2f7bca550 813 if (error_handle != NULL)
Azure.IoT Build 0:6ae2f7bca550 814 {
Azure.IoT Build 0:6ae2f7bca550 815 error_destroy(error_handle);
Azure.IoT Build 0:6ae2f7bca550 816 }
Azure.IoT Build 0:6ae2f7bca550 817 }
Azure.IoT Build 0:6ae2f7bca550 818 else
Azure.IoT Build 0:6ae2f7bca550 819 {
Azure.IoT Build 0:6ae2f7bca550 820 result = 0;
Azure.IoT Build 0:6ae2f7bca550 821 }
Azure.IoT Build 0:6ae2f7bca550 822 }
Azure.IoT Build 0:6ae2f7bca550 823
Azure.IoT Build 0:6ae2f7bca550 824 return result;
Azure.IoT Build 0:6ae2f7bca550 825 }
Azure.IoT Build 0:6ae2f7bca550 826
Azure.IoT Build 0:6ae2f7bca550 827 int session_set_incoming_window(SESSION_HANDLE session, uint32_t incoming_window)
Azure.IoT Build 0:6ae2f7bca550 828 {
Azure.IoT Build 0:6ae2f7bca550 829 int result;
Azure.IoT Build 0:6ae2f7bca550 830
Azure.IoT Build 0:6ae2f7bca550 831 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 832 {
Azure.IoT Build 0:6ae2f7bca550 833 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 834 }
Azure.IoT Build 0:6ae2f7bca550 835 else
Azure.IoT Build 0:6ae2f7bca550 836 {
Azure.IoT Build 0:6ae2f7bca550 837 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 838
Azure.IoT Build 0:6ae2f7bca550 839 session_instance->desired_incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 840 session_instance->incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 841
Azure.IoT Build 0:6ae2f7bca550 842 result = 0;
Azure.IoT Build 0:6ae2f7bca550 843 }
Azure.IoT Build 0:6ae2f7bca550 844
Azure.IoT Build 0:6ae2f7bca550 845 return result;
Azure.IoT Build 0:6ae2f7bca550 846 }
Azure.IoT Build 0:6ae2f7bca550 847
Azure.IoT Build 0:6ae2f7bca550 848 int session_get_incoming_window(SESSION_HANDLE session, uint32_t* incoming_window)
Azure.IoT Build 0:6ae2f7bca550 849 {
Azure.IoT Build 0:6ae2f7bca550 850 int result;
Azure.IoT Build 0:6ae2f7bca550 851
Azure.IoT Build 0:6ae2f7bca550 852 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 853 (incoming_window == NULL))
Azure.IoT Build 0:6ae2f7bca550 854 {
Azure.IoT Build 0:6ae2f7bca550 855 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 856 }
Azure.IoT Build 0:6ae2f7bca550 857 else
Azure.IoT Build 0:6ae2f7bca550 858 {
Azure.IoT Build 0:6ae2f7bca550 859 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 860
Azure.IoT Build 0:6ae2f7bca550 861 *incoming_window = session_instance->incoming_window;
Azure.IoT Build 0:6ae2f7bca550 862
Azure.IoT Build 0:6ae2f7bca550 863 result = 0;
Azure.IoT Build 0:6ae2f7bca550 864 }
Azure.IoT Build 0:6ae2f7bca550 865
Azure.IoT Build 0:6ae2f7bca550 866 return result;
Azure.IoT Build 0:6ae2f7bca550 867 }
Azure.IoT Build 0:6ae2f7bca550 868
Azure.IoT Build 0:6ae2f7bca550 869 int session_set_outgoing_window(SESSION_HANDLE session, uint32_t outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 870 {
Azure.IoT Build 0:6ae2f7bca550 871 int result;
Azure.IoT Build 0:6ae2f7bca550 872
Azure.IoT Build 0:6ae2f7bca550 873 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 874 {
Azure.IoT Build 0:6ae2f7bca550 875 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 876 }
Azure.IoT Build 0:6ae2f7bca550 877 else
Azure.IoT Build 0:6ae2f7bca550 878 {
Azure.IoT Build 0:6ae2f7bca550 879 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 880
Azure.IoT Build 0:6ae2f7bca550 881 session_instance->outgoing_window = outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 882
Azure.IoT Build 0:6ae2f7bca550 883 result = 0;
Azure.IoT Build 0:6ae2f7bca550 884 }
Azure.IoT Build 0:6ae2f7bca550 885
Azure.IoT Build 0:6ae2f7bca550 886 return result;
Azure.IoT Build 0:6ae2f7bca550 887 }
Azure.IoT Build 0:6ae2f7bca550 888
Azure.IoT Build 0:6ae2f7bca550 889 int session_get_outgoing_window(SESSION_HANDLE session, uint32_t* outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 890 {
Azure.IoT Build 0:6ae2f7bca550 891 int result;
Azure.IoT Build 0:6ae2f7bca550 892
Azure.IoT Build 0:6ae2f7bca550 893 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 894 (outgoing_window == NULL))
Azure.IoT Build 0:6ae2f7bca550 895 {
Azure.IoT Build 0:6ae2f7bca550 896 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 897 }
Azure.IoT Build 0:6ae2f7bca550 898 else
Azure.IoT Build 0:6ae2f7bca550 899 {
Azure.IoT Build 0:6ae2f7bca550 900 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 901
Azure.IoT Build 0:6ae2f7bca550 902 *outgoing_window = session_instance->outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 903
Azure.IoT Build 0:6ae2f7bca550 904 result = 0;
Azure.IoT Build 0:6ae2f7bca550 905 }
Azure.IoT Build 0:6ae2f7bca550 906
Azure.IoT Build 0:6ae2f7bca550 907 return result;
Azure.IoT Build 0:6ae2f7bca550 908 }
Azure.IoT Build 0:6ae2f7bca550 909
Azure.IoT Build 0:6ae2f7bca550 910 int session_set_handle_max(SESSION_HANDLE session, handle handle_max)
Azure.IoT Build 0:6ae2f7bca550 911 {
Azure.IoT Build 0:6ae2f7bca550 912 int result;
Azure.IoT Build 0:6ae2f7bca550 913
Azure.IoT Build 0:6ae2f7bca550 914 if (session == NULL)
Azure.IoT Build 0:6ae2f7bca550 915 {
Azure.IoT Build 0:6ae2f7bca550 916 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 917 }
Azure.IoT Build 0:6ae2f7bca550 918 else
Azure.IoT Build 0:6ae2f7bca550 919 {
Azure.IoT Build 0:6ae2f7bca550 920 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 921
Azure.IoT Build 0:6ae2f7bca550 922 session_instance->handle_max = handle_max;
Azure.IoT Build 0:6ae2f7bca550 923
Azure.IoT Build 0:6ae2f7bca550 924 result = 0;
Azure.IoT Build 0:6ae2f7bca550 925 }
Azure.IoT Build 0:6ae2f7bca550 926
Azure.IoT Build 0:6ae2f7bca550 927 return result;
Azure.IoT Build 0:6ae2f7bca550 928 }
Azure.IoT Build 0:6ae2f7bca550 929
Azure.IoT Build 0:6ae2f7bca550 930 int session_get_handle_max(SESSION_HANDLE session, handle* handle_max)
Azure.IoT Build 0:6ae2f7bca550 931 {
Azure.IoT Build 0:6ae2f7bca550 932 int result;
Azure.IoT Build 0:6ae2f7bca550 933
Azure.IoT Build 0:6ae2f7bca550 934 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 935 (handle_max == NULL))
Azure.IoT Build 0:6ae2f7bca550 936 {
Azure.IoT Build 0:6ae2f7bca550 937 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 938 }
Azure.IoT Build 0:6ae2f7bca550 939 else
Azure.IoT Build 0:6ae2f7bca550 940 {
Azure.IoT Build 0:6ae2f7bca550 941 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 942
Azure.IoT Build 0:6ae2f7bca550 943 *handle_max = session_instance->handle_max;
Azure.IoT Build 0:6ae2f7bca550 944
Azure.IoT Build 0:6ae2f7bca550 945 result = 0;
Azure.IoT Build 0:6ae2f7bca550 946 }
Azure.IoT Build 0:6ae2f7bca550 947
Azure.IoT Build 0:6ae2f7bca550 948 return result;
Azure.IoT Build 0:6ae2f7bca550 949 }
Azure.IoT Build 0:6ae2f7bca550 950
Azure.IoT Build 0:6ae2f7bca550 951 LINK_ENDPOINT_HANDLE session_create_link_endpoint(SESSION_HANDLE session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 952 {
Azure.IoT Build 0:6ae2f7bca550 953 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 954
Azure.IoT Build 0:6ae2f7bca550 955 /* Codes_SRS_SESSION_01_044: [If session, name or frame_received_callback is NULL, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 956 if ((session == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 957 (name == NULL))
Azure.IoT Build 0:6ae2f7bca550 958 {
Azure.IoT Build 0:6ae2f7bca550 959 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 960 }
Azure.IoT Build 0:6ae2f7bca550 961 else
Azure.IoT Build 0:6ae2f7bca550 962 {
Azure.IoT Build 0:6ae2f7bca550 963 /* Codes_SRS_SESSION_01_043: [session_create_link_endpoint shall create a link endpoint associated with a given session and return a non-NULL handle to it.] */
Azure.IoT Build 0:6ae2f7bca550 964 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 965
Azure.IoT Build 0:6ae2f7bca550 966 result = (LINK_ENDPOINT_INSTANCE*)amqpalloc_malloc(sizeof(LINK_ENDPOINT_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 967 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 968 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 969 {
Azure.IoT Build 0:6ae2f7bca550 970 /* Codes_SRS_SESSION_01_046: [An unused handle shall be assigned to the link endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 971 handle selected_handle = 0;
Azure.IoT Build 0:6ae2f7bca550 972 size_t i;
Azure.IoT Build 0:6ae2f7bca550 973
Azure.IoT Build 0:6ae2f7bca550 974 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 975 {
Azure.IoT Build 0:6ae2f7bca550 976 if (session_instance->link_endpoints[i]->output_handle > selected_handle)
Azure.IoT Build 0:6ae2f7bca550 977 {
Azure.IoT Build 0:6ae2f7bca550 978 break;
Azure.IoT Build 0:6ae2f7bca550 979 }
Azure.IoT Build 0:6ae2f7bca550 980
Azure.IoT Build 0:6ae2f7bca550 981 selected_handle++;
Azure.IoT Build 0:6ae2f7bca550 982 }
Azure.IoT Build 0:6ae2f7bca550 983
Azure.IoT Build 0:6ae2f7bca550 984 result->on_session_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 985 result->on_session_flow_on = NULL;
Azure.IoT Build 0:6ae2f7bca550 986 result->frame_received_callback = NULL;
Azure.IoT Build 0:6ae2f7bca550 987 result->callback_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 988 result->output_handle = selected_handle;
AzureIoTClient 13:9abd748f4e78 989 result->input_handle = 0xFFFFFFFF;
Azure.IoT Build 0:6ae2f7bca550 990 result->name = amqpalloc_malloc(strlen(name) + 1);
Azure.IoT Build 0:6ae2f7bca550 991 if (result->name == NULL)
Azure.IoT Build 0:6ae2f7bca550 992 {
Azure.IoT Build 0:6ae2f7bca550 993 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 994 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 995 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 996 }
Azure.IoT Build 0:6ae2f7bca550 997 else
Azure.IoT Build 0:6ae2f7bca550 998 {
Azure.IoT Build 0:6ae2f7bca550 999 LINK_ENDPOINT_INSTANCE** new_link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1000 strcpy(result->name, name);
Azure.IoT Build 0:6ae2f7bca550 1001 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 1002
Azure.IoT Build 0:6ae2f7bca550 1003 new_link_endpoints = amqpalloc_realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * (session_instance->link_endpoint_count + 1));
Azure.IoT Build 0:6ae2f7bca550 1004 if (new_link_endpoints == NULL)
Azure.IoT Build 0:6ae2f7bca550 1005 {
Azure.IoT Build 0:6ae2f7bca550 1006 /* Codes_SRS_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
Azure.IoT Build 0:6ae2f7bca550 1007 amqpalloc_free(result->name);
Azure.IoT Build 0:6ae2f7bca550 1008 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 1009 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 1010 }
Azure.IoT Build 0:6ae2f7bca550 1011 else
Azure.IoT Build 0:6ae2f7bca550 1012 {
Azure.IoT Build 0:6ae2f7bca550 1013 session_instance->link_endpoints = new_link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1014
Azure.IoT Build 0:6ae2f7bca550 1015 if (session_instance->link_endpoint_count - selected_handle > 0)
Azure.IoT Build 0:6ae2f7bca550 1016 {
AzureIoTClient 7:9e9ab3b0efef 1017 (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*));
Azure.IoT Build 0:6ae2f7bca550 1018 }
Azure.IoT Build 0:6ae2f7bca550 1019
Azure.IoT Build 0:6ae2f7bca550 1020 session_instance->link_endpoints[selected_handle] = result;
Azure.IoT Build 0:6ae2f7bca550 1021 session_instance->link_endpoint_count++;
Azure.IoT Build 0:6ae2f7bca550 1022 }
Azure.IoT Build 0:6ae2f7bca550 1023 }
Azure.IoT Build 0:6ae2f7bca550 1024 }
Azure.IoT Build 0:6ae2f7bca550 1025 }
Azure.IoT Build 0:6ae2f7bca550 1026
Azure.IoT Build 0:6ae2f7bca550 1027 return result;
Azure.IoT Build 0:6ae2f7bca550 1028 }
Azure.IoT Build 0:6ae2f7bca550 1029
Azure.IoT Build 0:6ae2f7bca550 1030 void session_destroy_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint)
Azure.IoT Build 0:6ae2f7bca550 1031 {
Azure.IoT Build 0:6ae2f7bca550 1032 /* Codes_SRS_SESSION_01_050: [If link_endpoint is NULL, session_destroy_link_endpoint shall do nothing.] */
Azure.IoT Build 0:6ae2f7bca550 1033 if (link_endpoint != NULL)
Azure.IoT Build 0:6ae2f7bca550 1034 {
Azure.IoT Build 0:6ae2f7bca550 1035 LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1036 SESSION_INSTANCE* session_instance = endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1037 uint64_t i;
Azure.IoT Build 0:6ae2f7bca550 1038
Azure.IoT Build 0:6ae2f7bca550 1039 /* Codes_SRS_SESSION_01_049: [session_destroy_link_endpoint shall free all resources associated with the endpoint.] */
Azure.IoT Build 0:6ae2f7bca550 1040 for (i = 0; i < session_instance->link_endpoint_count; i++)
Azure.IoT Build 0:6ae2f7bca550 1041 {
Azure.IoT Build 0:6ae2f7bca550 1042 if (session_instance->link_endpoints[i] == link_endpoint)
Azure.IoT Build 0:6ae2f7bca550 1043 {
Azure.IoT Build 0:6ae2f7bca550 1044 break;
Azure.IoT Build 0:6ae2f7bca550 1045 }
Azure.IoT Build 0:6ae2f7bca550 1046 }
Azure.IoT Build 0:6ae2f7bca550 1047
Azure.IoT Build 0:6ae2f7bca550 1048 if (i < session_instance->link_endpoint_count)
Azure.IoT Build 0:6ae2f7bca550 1049 {
Azure.IoT Build 0:6ae2f7bca550 1050 LINK_ENDPOINT_INSTANCE** new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1051
AzureIoTClient 12:b30dacf113f2 1052 if (i < (session_instance->link_endpoint_count - 1))
AzureIoTClient 12:b30dacf113f2 1053 {
AzureIoTClient 7:9e9ab3b0efef 1054 (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 7:9e9ab3b0efef 1055 }
AzureIoTClient 7:9e9ab3b0efef 1056
Azure.IoT Build 0:6ae2f7bca550 1057 session_instance->link_endpoint_count--;
Azure.IoT Build 0:6ae2f7bca550 1058
Azure.IoT Build 0:6ae2f7bca550 1059 if (session_instance->link_endpoint_count == 0)
Azure.IoT Build 0:6ae2f7bca550 1060 {
Azure.IoT Build 0:6ae2f7bca550 1061 amqpalloc_free(session_instance->link_endpoints);
Azure.IoT Build 0:6ae2f7bca550 1062 session_instance->link_endpoints = NULL;
Azure.IoT Build 0:6ae2f7bca550 1063 }
Azure.IoT Build 0:6ae2f7bca550 1064 else
Azure.IoT Build 0:6ae2f7bca550 1065 {
Azure.IoT Build 0:6ae2f7bca550 1066 new_endpoints = (LINK_ENDPOINT_INSTANCE**)amqpalloc_realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * session_instance->link_endpoint_count);
Azure.IoT Build 0:6ae2f7bca550 1067 if (new_endpoints != NULL)
Azure.IoT Build 0:6ae2f7bca550 1068 {
Azure.IoT Build 0:6ae2f7bca550 1069 session_instance->link_endpoints = new_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1070 }
Azure.IoT Build 0:6ae2f7bca550 1071 }
Azure.IoT Build 0:6ae2f7bca550 1072 }
Azure.IoT Build 0:6ae2f7bca550 1073
Azure.IoT Build 0:6ae2f7bca550 1074 if (endpoint_instance->name != NULL)
Azure.IoT Build 0:6ae2f7bca550 1075 {
Azure.IoT Build 0:6ae2f7bca550 1076 amqpalloc_free(endpoint_instance->name);
Azure.IoT Build 0:6ae2f7bca550 1077 }
Azure.IoT Build 0:6ae2f7bca550 1078
Azure.IoT Build 0:6ae2f7bca550 1079 amqpalloc_free(endpoint_instance);
Azure.IoT Build 0:6ae2f7bca550 1080 }
Azure.IoT Build 0:6ae2f7bca550 1081 }
Azure.IoT Build 0:6ae2f7bca550 1082
Azure.IoT Build 0:6ae2f7bca550 1083 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 1084 {
Azure.IoT Build 0:6ae2f7bca550 1085 int result;
Azure.IoT Build 0:6ae2f7bca550 1086
Azure.IoT Build 0:6ae2f7bca550 1087 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1088 (frame_received_callback == NULL))
Azure.IoT Build 0:6ae2f7bca550 1089 {
Azure.IoT Build 0:6ae2f7bca550 1090 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1091 }
Azure.IoT Build 0:6ae2f7bca550 1092 else
Azure.IoT Build 0:6ae2f7bca550 1093 {
Azure.IoT Build 0:6ae2f7bca550 1094 link_endpoint->frame_received_callback = frame_received_callback;
Azure.IoT Build 0:6ae2f7bca550 1095 link_endpoint->on_session_state_changed = on_session_state_changed;
Azure.IoT Build 0:6ae2f7bca550 1096 link_endpoint->on_session_flow_on = on_session_flow_on;
Azure.IoT Build 0:6ae2f7bca550 1097 link_endpoint->callback_context = context;
Azure.IoT Build 0:6ae2f7bca550 1098
Azure.IoT Build 0:6ae2f7bca550 1099 if (link_endpoint->on_session_state_changed != NULL)
Azure.IoT Build 0:6ae2f7bca550 1100 {
Azure.IoT Build 0:6ae2f7bca550 1101 link_endpoint->on_session_state_changed(link_endpoint->callback_context, link_endpoint->session->session_state, link_endpoint->session->previous_session_state);
Azure.IoT Build 0:6ae2f7bca550 1102 }
Azure.IoT Build 0:6ae2f7bca550 1103
Azure.IoT Build 0:6ae2f7bca550 1104 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1105 }
Azure.IoT Build 0:6ae2f7bca550 1106
Azure.IoT Build 0:6ae2f7bca550 1107 return result;
Azure.IoT Build 0:6ae2f7bca550 1108 }
Azure.IoT Build 0:6ae2f7bca550 1109
Azure.IoT Build 0:6ae2f7bca550 1110 static int encode_frame(LINK_ENDPOINT_HANDLE link_endpoint, const AMQP_VALUE performative, PAYLOAD* payloads, size_t payload_count)
Azure.IoT Build 0:6ae2f7bca550 1111 {
Azure.IoT Build 0:6ae2f7bca550 1112 int result;
Azure.IoT Build 0:6ae2f7bca550 1113
Azure.IoT Build 0:6ae2f7bca550 1114 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1115 (performative == NULL))
Azure.IoT Build 0:6ae2f7bca550 1116 {
Azure.IoT Build 0:6ae2f7bca550 1117 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1118 }
Azure.IoT Build 0:6ae2f7bca550 1119 else
Azure.IoT Build 0:6ae2f7bca550 1120 {
Azure.IoT Build 0:6ae2f7bca550 1121 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1122 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1123
Azure.IoT Build 0:6ae2f7bca550 1124 if (connection_encode_frame(session_instance->endpoint, performative, payloads, payload_count, NULL, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 1125 {
Azure.IoT Build 0:6ae2f7bca550 1126 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1127 }
Azure.IoT Build 0:6ae2f7bca550 1128 else
Azure.IoT Build 0:6ae2f7bca550 1129 {
Azure.IoT Build 0:6ae2f7bca550 1130 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1131 }
Azure.IoT Build 0:6ae2f7bca550 1132 }
Azure.IoT Build 0:6ae2f7bca550 1133
Azure.IoT Build 0:6ae2f7bca550 1134 return result;
Azure.IoT Build 0:6ae2f7bca550 1135 }
Azure.IoT Build 0:6ae2f7bca550 1136
Azure.IoT Build 0:6ae2f7bca550 1137 int session_send_flow(LINK_ENDPOINT_HANDLE link_endpoint, FLOW_HANDLE flow)
Azure.IoT Build 0:6ae2f7bca550 1138 {
Azure.IoT Build 0:6ae2f7bca550 1139 int result;
Azure.IoT Build 0:6ae2f7bca550 1140
Azure.IoT Build 0:6ae2f7bca550 1141 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1142 (flow == NULL))
Azure.IoT Build 0:6ae2f7bca550 1143 {
Azure.IoT Build 0:6ae2f7bca550 1144 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1145 }
Azure.IoT Build 0:6ae2f7bca550 1146 else
Azure.IoT Build 0:6ae2f7bca550 1147 {
Azure.IoT Build 0:6ae2f7bca550 1148 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1149 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1150
Azure.IoT Build 0:6ae2f7bca550 1151 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1152
Azure.IoT Build 0:6ae2f7bca550 1153 if (session_instance->session_state == SESSION_STATE_BEGIN_RCVD)
Azure.IoT Build 0:6ae2f7bca550 1154 {
Azure.IoT Build 0:6ae2f7bca550 1155 if (flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 1156 {
Azure.IoT Build 0:6ae2f7bca550 1157 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1158 }
Azure.IoT Build 0:6ae2f7bca550 1159 }
Azure.IoT Build 0:6ae2f7bca550 1160
Azure.IoT Build 0:6ae2f7bca550 1161 if (result == 0)
Azure.IoT Build 0:6ae2f7bca550 1162 {
AzureIoTClient 12:b30dacf113f2 1163 if ((flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0) ||
AzureIoTClient 12:b30dacf113f2 1164 (flow_set_incoming_window(flow, session_instance->incoming_window) != 0) ||
AzureIoTClient 12:b30dacf113f2 1165 (flow_set_next_outgoing_id(flow, session_instance->next_outgoing_id) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1166 (flow_set_outgoing_window(flow, session_instance->outgoing_window) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1167 (flow_set_handle(flow, link_endpoint_instance->output_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 1168 {
Azure.IoT Build 0:6ae2f7bca550 1169 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1170 }
Azure.IoT Build 0:6ae2f7bca550 1171 else
Azure.IoT Build 0:6ae2f7bca550 1172 {
Azure.IoT Build 0:6ae2f7bca550 1173 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
Azure.IoT Build 0:6ae2f7bca550 1174 if (flow_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1175 {
Azure.IoT Build 0:6ae2f7bca550 1176 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1177 }
Azure.IoT Build 0:6ae2f7bca550 1178 else
Azure.IoT Build 0:6ae2f7bca550 1179 {
Azure.IoT Build 0:6ae2f7bca550 1180 if (encode_frame(link_endpoint, flow_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1181 {
Azure.IoT Build 0:6ae2f7bca550 1182 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1183 }
Azure.IoT Build 0:6ae2f7bca550 1184 else
Azure.IoT Build 0:6ae2f7bca550 1185 {
Azure.IoT Build 0:6ae2f7bca550 1186 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1187 }
Azure.IoT Build 0:6ae2f7bca550 1188
Azure.IoT Build 0:6ae2f7bca550 1189 amqpvalue_destroy(flow_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1190 }
Azure.IoT Build 0:6ae2f7bca550 1191 }
Azure.IoT Build 0:6ae2f7bca550 1192 }
Azure.IoT Build 0:6ae2f7bca550 1193 }
Azure.IoT Build 0:6ae2f7bca550 1194
Azure.IoT Build 0:6ae2f7bca550 1195 return result;
Azure.IoT Build 0:6ae2f7bca550 1196 }
Azure.IoT Build 0:6ae2f7bca550 1197
Azure.IoT Build 0:6ae2f7bca550 1198 int session_send_attach(LINK_ENDPOINT_HANDLE link_endpoint, ATTACH_HANDLE attach)
Azure.IoT Build 0:6ae2f7bca550 1199 {
Azure.IoT Build 0:6ae2f7bca550 1200 int result;
Azure.IoT Build 0:6ae2f7bca550 1201
Azure.IoT Build 0:6ae2f7bca550 1202 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1203 (attach == NULL))
Azure.IoT Build 0:6ae2f7bca550 1204 {
Azure.IoT Build 0:6ae2f7bca550 1205 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1206 }
Azure.IoT Build 0:6ae2f7bca550 1207 else
Azure.IoT Build 0:6ae2f7bca550 1208 {
Azure.IoT Build 0:6ae2f7bca550 1209 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1210
Azure.IoT Build 0:6ae2f7bca550 1211 if (attach_set_handle(attach, link_endpoint_instance->output_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 1212 {
Azure.IoT Build 0:6ae2f7bca550 1213 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1214 }
Azure.IoT Build 0:6ae2f7bca550 1215 else
Azure.IoT Build 0:6ae2f7bca550 1216 {
Azure.IoT Build 0:6ae2f7bca550 1217 AMQP_VALUE attach_performative_value = amqpvalue_create_attach(attach);
Azure.IoT Build 0:6ae2f7bca550 1218 if (attach_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1219 {
Azure.IoT Build 0:6ae2f7bca550 1220 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1221 }
Azure.IoT Build 0:6ae2f7bca550 1222 else
Azure.IoT Build 0:6ae2f7bca550 1223 {
Azure.IoT Build 0:6ae2f7bca550 1224 if (encode_frame(link_endpoint, attach_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1225 {
Azure.IoT Build 0:6ae2f7bca550 1226 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1227 }
Azure.IoT Build 0:6ae2f7bca550 1228 else
Azure.IoT Build 0:6ae2f7bca550 1229 {
Azure.IoT Build 0:6ae2f7bca550 1230 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1231 }
Azure.IoT Build 0:6ae2f7bca550 1232
Azure.IoT Build 0:6ae2f7bca550 1233 amqpvalue_destroy(attach_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1234 }
Azure.IoT Build 0:6ae2f7bca550 1235 }
Azure.IoT Build 0:6ae2f7bca550 1236 }
Azure.IoT Build 0:6ae2f7bca550 1237
Azure.IoT Build 0:6ae2f7bca550 1238 return result;
Azure.IoT Build 0:6ae2f7bca550 1239 }
Azure.IoT Build 0:6ae2f7bca550 1240
Azure.IoT Build 0:6ae2f7bca550 1241 int session_send_disposition(LINK_ENDPOINT_HANDLE link_endpoint, DISPOSITION_HANDLE disposition)
Azure.IoT Build 0:6ae2f7bca550 1242 {
Azure.IoT Build 0:6ae2f7bca550 1243 int result;
Azure.IoT Build 0:6ae2f7bca550 1244
Azure.IoT Build 0:6ae2f7bca550 1245 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1246 (disposition == NULL))
Azure.IoT Build 0:6ae2f7bca550 1247 {
Azure.IoT Build 0:6ae2f7bca550 1248 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1249 }
Azure.IoT Build 0:6ae2f7bca550 1250 else
Azure.IoT Build 0:6ae2f7bca550 1251 {
Azure.IoT Build 0:6ae2f7bca550 1252 AMQP_VALUE disposition_performative_value = amqpvalue_create_disposition(disposition);
Azure.IoT Build 0:6ae2f7bca550 1253 if (disposition_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1254 {
Azure.IoT Build 0:6ae2f7bca550 1255 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1256 }
Azure.IoT Build 0:6ae2f7bca550 1257 else
Azure.IoT Build 0:6ae2f7bca550 1258 {
Azure.IoT Build 0:6ae2f7bca550 1259 if (encode_frame(link_endpoint, disposition_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1260 {
Azure.IoT Build 0:6ae2f7bca550 1261 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1262 }
Azure.IoT Build 0:6ae2f7bca550 1263 else
Azure.IoT Build 0:6ae2f7bca550 1264 {
Azure.IoT Build 0:6ae2f7bca550 1265 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1266 }
Azure.IoT Build 0:6ae2f7bca550 1267
Azure.IoT Build 0:6ae2f7bca550 1268 amqpvalue_destroy(disposition_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1269 }
Azure.IoT Build 0:6ae2f7bca550 1270 }
Azure.IoT Build 0:6ae2f7bca550 1271
Azure.IoT Build 0:6ae2f7bca550 1272 return result;
Azure.IoT Build 0:6ae2f7bca550 1273 }
Azure.IoT Build 0:6ae2f7bca550 1274
Azure.IoT Build 0:6ae2f7bca550 1275 int session_send_detach(LINK_ENDPOINT_HANDLE link_endpoint, DETACH_HANDLE detach)
Azure.IoT Build 0:6ae2f7bca550 1276 {
Azure.IoT Build 0:6ae2f7bca550 1277 int result;
Azure.IoT Build 0:6ae2f7bca550 1278
Azure.IoT Build 0:6ae2f7bca550 1279 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1280 (detach == NULL))
Azure.IoT Build 0:6ae2f7bca550 1281 {
Azure.IoT Build 0:6ae2f7bca550 1282 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1283 }
Azure.IoT Build 0:6ae2f7bca550 1284 else
Azure.IoT Build 0:6ae2f7bca550 1285 {
Azure.IoT Build 0:6ae2f7bca550 1286 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1287
Azure.IoT Build 0:6ae2f7bca550 1288 if (detach_set_handle(detach, link_endpoint_instance->output_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 1289 {
Azure.IoT Build 0:6ae2f7bca550 1290 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1291 }
Azure.IoT Build 0:6ae2f7bca550 1292 else
Azure.IoT Build 0:6ae2f7bca550 1293 {
Azure.IoT Build 0:6ae2f7bca550 1294 AMQP_VALUE detach_performative_value = amqpvalue_create_detach(detach);
Azure.IoT Build 0:6ae2f7bca550 1295 if (detach_performative_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1296 {
Azure.IoT Build 0:6ae2f7bca550 1297 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1298 }
Azure.IoT Build 0:6ae2f7bca550 1299 else
Azure.IoT Build 0:6ae2f7bca550 1300 {
Azure.IoT Build 0:6ae2f7bca550 1301 if (encode_frame(link_endpoint, detach_performative_value, NULL, 0) != 0)
Azure.IoT Build 0:6ae2f7bca550 1302 {
Azure.IoT Build 0:6ae2f7bca550 1303 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 1304 }
Azure.IoT Build 0:6ae2f7bca550 1305 else
Azure.IoT Build 0:6ae2f7bca550 1306 {
Azure.IoT Build 0:6ae2f7bca550 1307 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1308 }
Azure.IoT Build 0:6ae2f7bca550 1309
Azure.IoT Build 0:6ae2f7bca550 1310 amqpvalue_destroy(detach_performative_value);
Azure.IoT Build 0:6ae2f7bca550 1311 }
Azure.IoT Build 0:6ae2f7bca550 1312 }
Azure.IoT Build 0:6ae2f7bca550 1313 }
Azure.IoT Build 0:6ae2f7bca550 1314
Azure.IoT Build 0:6ae2f7bca550 1315 return result;
Azure.IoT Build 0:6ae2f7bca550 1316 }
Azure.IoT Build 0:6ae2f7bca550 1317
Azure.IoT Build 0:6ae2f7bca550 1318 /* 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 1319 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 1320 {
Azure.IoT Build 0:6ae2f7bca550 1321 SESSION_SEND_TRANSFER_RESULT result;
Azure.IoT Build 0:6ae2f7bca550 1322
Azure.IoT Build 0:6ae2f7bca550 1323 /* Codes_SRS_SESSION_01_054: [If link_endpoint or transfer is NULL, session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1324 if ((link_endpoint == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 1325 (transfer == NULL))
Azure.IoT Build 0:6ae2f7bca550 1326 {
Azure.IoT Build 0:6ae2f7bca550 1327 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1328 }
Azure.IoT Build 0:6ae2f7bca550 1329 else
Azure.IoT Build 0:6ae2f7bca550 1330 {
Azure.IoT Build 0:6ae2f7bca550 1331 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1332 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1333
Azure.IoT Build 0:6ae2f7bca550 1334 /* Codes_SRS_SESSION_01_059: [When session_send_transfer is called while the session is not in the MAPPED state, session_send_transfer shall fail and return a non-zero value.] */
Azure.IoT Build 0:6ae2f7bca550 1335 if (session_instance->session_state != SESSION_STATE_MAPPED)
Azure.IoT Build 0:6ae2f7bca550 1336 {
Azure.IoT Build 0:6ae2f7bca550 1337 result = SESSION_SEND_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1338 }
Azure.IoT Build 0:6ae2f7bca550 1339 else
Azure.IoT Build 0:6ae2f7bca550 1340 {
AzureIoTClient 6:641a9672db08 1341 size_t payload_size = 0;
Azure.IoT Build 0:6ae2f7bca550 1342 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1343
Azure.IoT Build 0:6ae2f7bca550 1344 for (i = 0; i < payload_count; i++)
Azure.IoT Build 0:6ae2f7bca550 1345 {
AzureIoTClient 6:641a9672db08 1346 if ((payloads[i].length > UINT32_MAX) ||
AzureIoTClient 6:641a9672db08 1347 (payload_size + payloads[i].length < payload_size))
AzureIoTClient 6:641a9672db08 1348 {
AzureIoTClient 6:641a9672db08 1349 break;
AzureIoTClient 6:641a9672db08 1350 }
AzureIoTClient 6:641a9672db08 1351
AzureIoTClient 6:641a9672db08 1352 payload_size += payloads[i].length;
AzureIoTClient 6:641a9672db08 1353 }
Azure.IoT Build 0:6ae2f7bca550 1354
AzureIoTClient 6:641a9672db08 1355 if ((i < payload_count) ||
AzureIoTClient 6:641a9672db08 1356 (payload_size > UINT32_MAX))
AzureIoTClient 6:641a9672db08 1357 {
AzureIoTClient 6:641a9672db08 1358 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1359 }
AzureIoTClient 6:641a9672db08 1360 else
AzureIoTClient 6:641a9672db08 1361 {
AzureIoTClient 6:641a9672db08 1362 if (session_instance->remote_incoming_window == 0)
AzureIoTClient 6:641a9672db08 1363 {
AzureIoTClient 6:641a9672db08 1364 result = SESSION_SEND_TRANSFER_BUSY;
AzureIoTClient 6:641a9672db08 1365 }
AzureIoTClient 6:641a9672db08 1366 else
AzureIoTClient 6:641a9672db08 1367 {
AzureIoTClient 6:641a9672db08 1368 /* 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 1369 /* Codes_SRS_SESSION_01_027: [sending a transfer Upon sending a transfer, the sending endpoint will increment its next-outgoing-id] */
AzureIoTClient 6:641a9672db08 1370 *delivery_id = session_instance->next_outgoing_id;
AzureIoTClient 6:641a9672db08 1371 if ((transfer_set_handle(transfer, link_endpoint_instance->output_handle) != 0) ||
AzureIoTClient 6:641a9672db08 1372 (transfer_set_delivery_id(transfer, *delivery_id) != 0) ||
AzureIoTClient 6:641a9672db08 1373 (transfer_set_more(transfer, false) != 0))
AzureIoTClient 6:641a9672db08 1374 {
AzureIoTClient 6:641a9672db08 1375 /* Codes_SRS_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1376 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1377 }
AzureIoTClient 6:641a9672db08 1378 else
AzureIoTClient 6:641a9672db08 1379 {
AzureIoTClient 6:641a9672db08 1380 AMQP_VALUE transfer_value;
Azure.IoT Build 0:6ae2f7bca550 1381
AzureIoTClient 6:641a9672db08 1382 transfer_value = amqpvalue_create_transfer(transfer);
AzureIoTClient 6:641a9672db08 1383 if (transfer_value == NULL)
AzureIoTClient 6:641a9672db08 1384 {
AzureIoTClient 6:641a9672db08 1385 /* Codes_SRS_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1386 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1387 }
AzureIoTClient 6:641a9672db08 1388 else
AzureIoTClient 6:641a9672db08 1389 {
AzureIoTClient 6:641a9672db08 1390 uint32_t available_frame_size;
AzureIoTClient 6:641a9672db08 1391 size_t encoded_size;
Azure.IoT Build 0:6ae2f7bca550 1392
AzureIoTClient 6:641a9672db08 1393 if ((connection_get_remote_max_frame_size(session_instance->connection, &available_frame_size) != 0) ||
AzureIoTClient 6:641a9672db08 1394 (amqpvalue_get_encoded_size(transfer_value, &encoded_size) != 0))
AzureIoTClient 6:641a9672db08 1395 {
AzureIoTClient 6:641a9672db08 1396 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1397 }
AzureIoTClient 6:641a9672db08 1398 else
AzureIoTClient 6:641a9672db08 1399 {
AzureIoTClient 6:641a9672db08 1400 payload_size = 0;
Azure.IoT Build 0:6ae2f7bca550 1401
AzureIoTClient 6:641a9672db08 1402 for (i = 0; i < payload_count; i++)
AzureIoTClient 6:641a9672db08 1403 {
AzureIoTClient 6:641a9672db08 1404 payload_size += payloads[i].length;
AzureIoTClient 6:641a9672db08 1405 }
AzureIoTClient 6:641a9672db08 1406
AzureIoTClient 6:641a9672db08 1407 available_frame_size -= (uint32_t)encoded_size;
AzureIoTClient 6:641a9672db08 1408 available_frame_size -= 8;
Azure.IoT Build 0:6ae2f7bca550 1409
AzureIoTClient 6:641a9672db08 1410 if (available_frame_size >= payload_size)
AzureIoTClient 6:641a9672db08 1411 {
AzureIoTClient 6:641a9672db08 1412 /* 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 1413 if (connection_encode_frame(session_instance->endpoint, transfer_value, payloads, payload_count, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1414 {
AzureIoTClient 6:641a9672db08 1415 /* 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 1416 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1417 }
AzureIoTClient 6:641a9672db08 1418 else
AzureIoTClient 6:641a9672db08 1419 {
AzureIoTClient 6:641a9672db08 1420 /* Codes_SRS_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
AzureIoTClient 6:641a9672db08 1421 session_instance->next_outgoing_id++;
AzureIoTClient 6:641a9672db08 1422 session_instance->remote_incoming_window--;
AzureIoTClient 6:641a9672db08 1423 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1424
AzureIoTClient 6:641a9672db08 1425 /* Codes_SRS_SESSION_01_053: [On success, session_send_transfer shall return 0.] */
AzureIoTClient 6:641a9672db08 1426 result = SESSION_SEND_TRANSFER_OK;
AzureIoTClient 6:641a9672db08 1427 }
AzureIoTClient 6:641a9672db08 1428 }
AzureIoTClient 6:641a9672db08 1429 else
AzureIoTClient 6:641a9672db08 1430 {
AzureIoTClient 6:641a9672db08 1431 size_t current_payload_index = 0;
AzureIoTClient 6:641a9672db08 1432 uint32_t current_payload_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 1433
AzureIoTClient 6:641a9672db08 1434 /* break it down into different deliveries */
AzureIoTClient 6:641a9672db08 1435 while (payload_size > 0)
AzureIoTClient 6:641a9672db08 1436 {
AzureIoTClient 6:641a9672db08 1437 uint32_t transfer_frame_payload_count = 0;
AzureIoTClient 6:641a9672db08 1438 uint32_t current_transfer_frame_payload_size = (uint32_t)payload_size;
AzureIoTClient 6:641a9672db08 1439 uint32_t byte_counter;
AzureIoTClient 6:641a9672db08 1440 size_t temp_current_payload_index = current_payload_index;
AzureIoTClient 6:641a9672db08 1441 uint32_t temp_current_payload_pos = current_payload_pos;
AzureIoTClient 6:641a9672db08 1442 AMQP_VALUE multi_transfer_amqp_value;
AzureIoTClient 6:641a9672db08 1443 bool more;
AzureIoTClient 6:641a9672db08 1444
AzureIoTClient 6:641a9672db08 1445 if (current_transfer_frame_payload_size > available_frame_size)
AzureIoTClient 6:641a9672db08 1446 {
AzureIoTClient 6:641a9672db08 1447 current_transfer_frame_payload_size = available_frame_size;
AzureIoTClient 6:641a9672db08 1448 }
Azure.IoT Build 0:6ae2f7bca550 1449
AzureIoTClient 6:641a9672db08 1450 if (available_frame_size >= payload_size)
AzureIoTClient 6:641a9672db08 1451 {
AzureIoTClient 6:641a9672db08 1452 more = false;
AzureIoTClient 6:641a9672db08 1453 }
AzureIoTClient 6:641a9672db08 1454 else
AzureIoTClient 6:641a9672db08 1455 {
AzureIoTClient 6:641a9672db08 1456 more = true;
AzureIoTClient 6:641a9672db08 1457 }
Azure.IoT Build 0:6ae2f7bca550 1458
AzureIoTClient 6:641a9672db08 1459 if (transfer_set_more(transfer, more) != 0)
AzureIoTClient 6:641a9672db08 1460 {
AzureIoTClient 6:641a9672db08 1461 break;
AzureIoTClient 6:641a9672db08 1462 }
Azure.IoT Build 0:6ae2f7bca550 1463
AzureIoTClient 6:641a9672db08 1464 multi_transfer_amqp_value = amqpvalue_create_transfer(transfer);
AzureIoTClient 6:641a9672db08 1465 if (multi_transfer_amqp_value == NULL)
AzureIoTClient 6:641a9672db08 1466 {
AzureIoTClient 6:641a9672db08 1467 break;
AzureIoTClient 6:641a9672db08 1468 }
Azure.IoT Build 0:6ae2f7bca550 1469
AzureIoTClient 6:641a9672db08 1470 byte_counter = current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1471 while (byte_counter > 0)
AzureIoTClient 6:641a9672db08 1472 {
AzureIoTClient 6:641a9672db08 1473 if (payloads[temp_current_payload_index].length - temp_current_payload_pos >= byte_counter)
AzureIoTClient 6:641a9672db08 1474 {
AzureIoTClient 6:641a9672db08 1475 /* more data than we need */
AzureIoTClient 6:641a9672db08 1476 temp_current_payload_pos += byte_counter;
AzureIoTClient 6:641a9672db08 1477 byte_counter = 0;
AzureIoTClient 6:641a9672db08 1478 }
AzureIoTClient 6:641a9672db08 1479 else
AzureIoTClient 6:641a9672db08 1480 {
AzureIoTClient 6:641a9672db08 1481 byte_counter -= (uint32_t)payloads[temp_current_payload_index].length - temp_current_payload_pos;
AzureIoTClient 6:641a9672db08 1482 temp_current_payload_index++;
AzureIoTClient 6:641a9672db08 1483 temp_current_payload_pos = 0;
AzureIoTClient 6:641a9672db08 1484 }
AzureIoTClient 6:641a9672db08 1485 }
Azure.IoT Build 0:6ae2f7bca550 1486
AzureIoTClient 6:641a9672db08 1487 transfer_frame_payload_count = (uint32_t)(temp_current_payload_index - current_payload_index + 1);
AzureIoTClient 6:641a9672db08 1488 PAYLOAD* transfer_frame_payloads = (PAYLOAD*)amqpalloc_malloc(transfer_frame_payload_count * sizeof(PAYLOAD));
AzureIoTClient 6:641a9672db08 1489 if (transfer_frame_payloads == NULL)
AzureIoTClient 6:641a9672db08 1490 {
AzureIoTClient 6:641a9672db08 1491 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1492 break;
AzureIoTClient 6:641a9672db08 1493 }
Azure.IoT Build 0:6ae2f7bca550 1494
AzureIoTClient 6:641a9672db08 1495 /* copy data */
AzureIoTClient 6:641a9672db08 1496 byte_counter = current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1497 transfer_frame_payload_count = 0;
Azure.IoT Build 0:6ae2f7bca550 1498
AzureIoTClient 6:641a9672db08 1499 while (byte_counter > 0)
AzureIoTClient 6:641a9672db08 1500 {
AzureIoTClient 6:641a9672db08 1501 if (payloads[current_payload_index].length - current_payload_pos > byte_counter)
AzureIoTClient 6:641a9672db08 1502 {
AzureIoTClient 6:641a9672db08 1503 /* more data than we need */
AzureIoTClient 6:641a9672db08 1504 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
AzureIoTClient 6:641a9672db08 1505 transfer_frame_payloads[transfer_frame_payload_count].length = byte_counter;
AzureIoTClient 6:641a9672db08 1506 current_payload_pos += byte_counter;
AzureIoTClient 6:641a9672db08 1507 byte_counter = 0;
AzureIoTClient 6:641a9672db08 1508 }
AzureIoTClient 6:641a9672db08 1509 else
AzureIoTClient 6:641a9672db08 1510 {
AzureIoTClient 6:641a9672db08 1511 /* copy entire payload and move to the next */
AzureIoTClient 6:641a9672db08 1512 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
AzureIoTClient 6:641a9672db08 1513 transfer_frame_payloads[transfer_frame_payload_count].length = payloads[current_payload_index].length - current_payload_pos;
AzureIoTClient 6:641a9672db08 1514 byte_counter -= (uint32_t)payloads[current_payload_index].length - current_payload_pos;
AzureIoTClient 6:641a9672db08 1515 current_payload_index++;
AzureIoTClient 6:641a9672db08 1516 current_payload_pos = 0;
AzureIoTClient 6:641a9672db08 1517 }
Azure.IoT Build 0:6ae2f7bca550 1518
AzureIoTClient 6:641a9672db08 1519 transfer_frame_payload_count++;
AzureIoTClient 6:641a9672db08 1520 }
Azure.IoT Build 0:6ae2f7bca550 1521
AzureIoTClient 6:641a9672db08 1522 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 1523 {
AzureIoTClient 6:641a9672db08 1524 amqpalloc_free(transfer_frame_payloads);
AzureIoTClient 6:641a9672db08 1525 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1526 break;
AzureIoTClient 6:641a9672db08 1527 }
Azure.IoT Build 0:6ae2f7bca550 1528
AzureIoTClient 6:641a9672db08 1529 amqpalloc_free(transfer_frame_payloads);
AzureIoTClient 6:641a9672db08 1530 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1531 payload_size -= current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1532 }
Azure.IoT Build 0:6ae2f7bca550 1533
AzureIoTClient 6:641a9672db08 1534 if (payload_size > 0)
AzureIoTClient 6:641a9672db08 1535 {
AzureIoTClient 6:641a9672db08 1536 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1537 }
AzureIoTClient 6:641a9672db08 1538 else
AzureIoTClient 6:641a9672db08 1539 {
AzureIoTClient 6:641a9672db08 1540 /* Codes_SRS_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
AzureIoTClient 6:641a9672db08 1541 session_instance->next_outgoing_id++;
AzureIoTClient 6:641a9672db08 1542 session_instance->remote_incoming_window--;
AzureIoTClient 6:641a9672db08 1543 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1544
AzureIoTClient 6:641a9672db08 1545 result = SESSION_SEND_TRANSFER_OK;
AzureIoTClient 6:641a9672db08 1546 }
AzureIoTClient 6:641a9672db08 1547 }
AzureIoTClient 6:641a9672db08 1548 }
Azure.IoT Build 0:6ae2f7bca550 1549
AzureIoTClient 6:641a9672db08 1550 amqpvalue_destroy(transfer_value);
AzureIoTClient 6:641a9672db08 1551 }
AzureIoTClient 6:641a9672db08 1552 }
AzureIoTClient 6:641a9672db08 1553 }
AzureIoTClient 6:641a9672db08 1554 }
Azure.IoT Build 0:6ae2f7bca550 1555 }
Azure.IoT Build 0:6ae2f7bca550 1556 }
Azure.IoT Build 0:6ae2f7bca550 1557
Azure.IoT Build 0:6ae2f7bca550 1558 return result;
Azure.IoT Build 0:6ae2f7bca550 1559 }