Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

session.c@43:4c1e4e94cdd3, 2018-06-11 (annotated)

Committer:
AzureIoTClient
Date:
Mon Jun 11 15:39:52 2018 -0700
Revision:
43:4c1e4e94cdd3
Parent:
40:f0ceafa8d570
Child:
44:9dd558f13109
1.2.5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #include <string.h>
AzureIoTClient 21:f9c433d8e6ca 6 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 21:f9c433d8e6ca 7 #include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build 0:6ae2f7bca550 8 #include "azure_uamqp_c/session.h"
Azure.IoT Build 0:6ae2f7bca550 9 #include "azure_uamqp_c/connection.h"
AzureIoTClient 40:f0ceafa8d570 10 #include "azure_uamqp_c/amqp_definitions.h"
Azure.IoT Build 0:6ae2f7bca550 11
AzureIoTClient 43:4c1e4e94cdd3 12 typedef enum LINK_ENDPOINT_STATE_TAG
AzureIoTClient 43:4c1e4e94cdd3 13 {
AzureIoTClient 43:4c1e4e94cdd3 14 LINK_ENDPOINT_STATE_NOT_ATTACHED,
AzureIoTClient 43:4c1e4e94cdd3 15 LINK_ENDPOINT_STATE_ATTACHED,
AzureIoTClient 43:4c1e4e94cdd3 16 LINK_ENDPOINT_STATE_DETACHING
AzureIoTClient 43:4c1e4e94cdd3 17 } LINK_ENDPOINT_STATE;
AzureIoTClient 43:4c1e4e94cdd3 18
Azure.IoT Build 0:6ae2f7bca550 19 typedef struct LINK_ENDPOINT_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 20 {
AzureIoTClient 28:add19eb7defa 21 char* name;
AzureIoTClient 28:add19eb7defa 22 handle input_handle;
AzureIoTClient 28:add19eb7defa 23 handle output_handle;
AzureIoTClient 28:add19eb7defa 24 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
AzureIoTClient 28:add19eb7defa 25 ON_SESSION_STATE_CHANGED on_session_state_changed;
AzureIoTClient 28:add19eb7defa 26 ON_SESSION_FLOW_ON on_session_flow_on;
AzureIoTClient 28:add19eb7defa 27 void* callback_context;
AzureIoTClient 28:add19eb7defa 28 SESSION_HANDLE session;
AzureIoTClient 43:4c1e4e94cdd3 29 LINK_ENDPOINT_STATE link_endpoint_state;
Azure.IoT Build 0:6ae2f7bca550 30 } LINK_ENDPOINT_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 31
Azure.IoT Build 0:6ae2f7bca550 32 typedef struct SESSION_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 33 {
AzureIoTClient 28:add19eb7defa 34 ON_ENDPOINT_FRAME_RECEIVED frame_received_callback;
AzureIoTClient 28:add19eb7defa 35 void* frame_received_callback_context;
AzureIoTClient 28:add19eb7defa 36 SESSION_STATE session_state;
AzureIoTClient 28:add19eb7defa 37 SESSION_STATE previous_session_state;
AzureIoTClient 28:add19eb7defa 38 CONNECTION_HANDLE connection;
AzureIoTClient 28:add19eb7defa 39 ENDPOINT_HANDLE endpoint;
AzureIoTClient 28:add19eb7defa 40 LINK_ENDPOINT_INSTANCE** link_endpoints;
AzureIoTClient 28:add19eb7defa 41 uint32_t link_endpoint_count;
Azure.IoT Build 0:6ae2f7bca550 42
AzureIoTClient 28:add19eb7defa 43 ON_LINK_ATTACHED on_link_attached;
AzureIoTClient 28:add19eb7defa 44 void* on_link_attached_callback_context;
Azure.IoT Build 0:6ae2f7bca550 45
AzureIoTClient 43:4c1e4e94cdd3 46 /* Codes_S_R_S_SESSION_01_016: [next-outgoing-id The next-outgoing-id is the transfer-id to assign to the next transfer frame.] */
AzureIoTClient 28:add19eb7defa 47 transfer_number next_outgoing_id;
AzureIoTClient 28:add19eb7defa 48 transfer_number next_incoming_id;
Azure.IoT Build 0:6ae2f7bca550 49 uint32_t desired_incoming_window;
AzureIoTClient 28:add19eb7defa 50 uint32_t incoming_window;
AzureIoTClient 28:add19eb7defa 51 uint32_t outgoing_window;
AzureIoTClient 28:add19eb7defa 52 handle handle_max;
AzureIoTClient 28:add19eb7defa 53 uint32_t remote_incoming_window;
AzureIoTClient 28:add19eb7defa 54 uint32_t remote_outgoing_window;
AzureIoTClient 43:4c1e4e94cdd3 55 unsigned int is_underlying_connection_open : 1;
Azure.IoT Build 0:6ae2f7bca550 56 } SESSION_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 57
AzureIoTClient 6:641a9672db08 58 #define UNDERLYING_CONNECTION_NOT_OPEN 0
AzureIoTClient 43:4c1e4e94cdd3 59 #define UNDERLYING_CONNECTION_OPEN 1
AzureIoTClient 43:4c1e4e94cdd3 60
AzureIoTClient 43:4c1e4e94cdd3 61 static void remove_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint)
AzureIoTClient 43:4c1e4e94cdd3 62 {
AzureIoTClient 43:4c1e4e94cdd3 63 if (link_endpoint != NULL)
AzureIoTClient 43:4c1e4e94cdd3 64 {
AzureIoTClient 43:4c1e4e94cdd3 65 LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 43:4c1e4e94cdd3 66 SESSION_INSTANCE* session_instance = endpoint_instance->session;
AzureIoTClient 43:4c1e4e94cdd3 67 uint32_t i;
AzureIoTClient 43:4c1e4e94cdd3 68
AzureIoTClient 43:4c1e4e94cdd3 69 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 43:4c1e4e94cdd3 70 {
AzureIoTClient 43:4c1e4e94cdd3 71 if (session_instance->link_endpoints[i] == link_endpoint)
AzureIoTClient 43:4c1e4e94cdd3 72 {
AzureIoTClient 43:4c1e4e94cdd3 73 break;
AzureIoTClient 43:4c1e4e94cdd3 74 }
AzureIoTClient 43:4c1e4e94cdd3 75 }
AzureIoTClient 43:4c1e4e94cdd3 76
AzureIoTClient 43:4c1e4e94cdd3 77 if (i < session_instance->link_endpoint_count)
AzureIoTClient 43:4c1e4e94cdd3 78 {
AzureIoTClient 43:4c1e4e94cdd3 79 LINK_ENDPOINT_INSTANCE** new_endpoints;
AzureIoTClient 43:4c1e4e94cdd3 80
AzureIoTClient 43:4c1e4e94cdd3 81 if (i < (session_instance->link_endpoint_count - 1))
AzureIoTClient 43:4c1e4e94cdd3 82 {
AzureIoTClient 43:4c1e4e94cdd3 83 (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 43:4c1e4e94cdd3 84 }
AzureIoTClient 43:4c1e4e94cdd3 85
AzureIoTClient 43:4c1e4e94cdd3 86 session_instance->link_endpoint_count--;
AzureIoTClient 43:4c1e4e94cdd3 87
AzureIoTClient 43:4c1e4e94cdd3 88 if (session_instance->link_endpoint_count == 0)
AzureIoTClient 43:4c1e4e94cdd3 89 {
AzureIoTClient 43:4c1e4e94cdd3 90 free(session_instance->link_endpoints);
AzureIoTClient 43:4c1e4e94cdd3 91 session_instance->link_endpoints = NULL;
AzureIoTClient 43:4c1e4e94cdd3 92 }
AzureIoTClient 43:4c1e4e94cdd3 93 else
AzureIoTClient 43:4c1e4e94cdd3 94 {
AzureIoTClient 43:4c1e4e94cdd3 95 new_endpoints = (LINK_ENDPOINT_INSTANCE**)realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * session_instance->link_endpoint_count);
AzureIoTClient 43:4c1e4e94cdd3 96 if (new_endpoints != NULL)
AzureIoTClient 43:4c1e4e94cdd3 97 {
AzureIoTClient 43:4c1e4e94cdd3 98 session_instance->link_endpoints = new_endpoints;
AzureIoTClient 43:4c1e4e94cdd3 99 }
AzureIoTClient 43:4c1e4e94cdd3 100 }
AzureIoTClient 43:4c1e4e94cdd3 101 }
AzureIoTClient 43:4c1e4e94cdd3 102 }
AzureIoTClient 43:4c1e4e94cdd3 103 }
AzureIoTClient 43:4c1e4e94cdd3 104
AzureIoTClient 43:4c1e4e94cdd3 105 static void free_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint)
AzureIoTClient 43:4c1e4e94cdd3 106 {
AzureIoTClient 43:4c1e4e94cdd3 107 if (link_endpoint->name != NULL)
AzureIoTClient 43:4c1e4e94cdd3 108 {
AzureIoTClient 43:4c1e4e94cdd3 109 free(link_endpoint->name);
AzureIoTClient 43:4c1e4e94cdd3 110 }
AzureIoTClient 43:4c1e4e94cdd3 111
AzureIoTClient 43:4c1e4e94cdd3 112 free(link_endpoint);
AzureIoTClient 43:4c1e4e94cdd3 113 }
AzureIoTClient 6:641a9672db08 114
Azure.IoT Build 0:6ae2f7bca550 115 static void session_set_state(SESSION_INSTANCE* session_instance, SESSION_STATE session_state)
Azure.IoT Build 0:6ae2f7bca550 116 {
AzureIoTClient 43:4c1e4e94cdd3 117 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 118
AzureIoTClient 28:add19eb7defa 119 session_instance->previous_session_state = session_instance->session_state;
AzureIoTClient 28:add19eb7defa 120 session_instance->session_state = session_state;
Azure.IoT Build 0:6ae2f7bca550 121
AzureIoTClient 28:add19eb7defa 122 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 123 {
AzureIoTClient 28:add19eb7defa 124 if (session_instance->link_endpoints[i]->on_session_state_changed != NULL)
AzureIoTClient 28:add19eb7defa 125 {
AzureIoTClient 43:4c1e4e94cdd3 126 if (session_instance->link_endpoints[i]->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING)
AzureIoTClient 43:4c1e4e94cdd3 127 {
AzureIoTClient 43:4c1e4e94cdd3 128 session_instance->link_endpoints[i]->on_session_state_changed(session_instance->link_endpoints[i]->callback_context, session_state, session_instance->previous_session_state);
AzureIoTClient 43:4c1e4e94cdd3 129 }
AzureIoTClient 28:add19eb7defa 130 }
AzureIoTClient 28:add19eb7defa 131 }
Azure.IoT Build 0:6ae2f7bca550 132 }
Azure.IoT Build 0:6ae2f7bca550 133
Azure.IoT Build 0:6ae2f7bca550 134 static int send_end_frame(SESSION_INSTANCE* session_instance, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 135 {
AzureIoTClient 28:add19eb7defa 136 int result;
AzureIoTClient 28:add19eb7defa 137 END_HANDLE end_performative;
Azure.IoT Build 0:6ae2f7bca550 138
AzureIoTClient 28:add19eb7defa 139 end_performative = end_create();
AzureIoTClient 28:add19eb7defa 140 if (end_performative == NULL)
AzureIoTClient 28:add19eb7defa 141 {
AzureIoTClient 28:add19eb7defa 142 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 143 }
AzureIoTClient 28:add19eb7defa 144 else
AzureIoTClient 28:add19eb7defa 145 {
AzureIoTClient 28:add19eb7defa 146 if ((error_handle != NULL) &&
AzureIoTClient 28:add19eb7defa 147 (end_set_error(end_performative, error_handle) != 0))
AzureIoTClient 28:add19eb7defa 148 {
AzureIoTClient 28:add19eb7defa 149 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 150 }
AzureIoTClient 28:add19eb7defa 151 else
AzureIoTClient 28:add19eb7defa 152 {
AzureIoTClient 28:add19eb7defa 153 AMQP_VALUE end_performative_value = amqpvalue_create_end(end_performative);
AzureIoTClient 28:add19eb7defa 154 if (end_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 155 {
AzureIoTClient 28:add19eb7defa 156 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 157 }
AzureIoTClient 28:add19eb7defa 158 else
AzureIoTClient 28:add19eb7defa 159 {
AzureIoTClient 28:add19eb7defa 160 if (connection_encode_frame(session_instance->endpoint, end_performative_value, NULL, 0, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 161 {
AzureIoTClient 28:add19eb7defa 162 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 163 }
AzureIoTClient 28:add19eb7defa 164 else
AzureIoTClient 28:add19eb7defa 165 {
AzureIoTClient 28:add19eb7defa 166 result = 0;
AzureIoTClient 28:add19eb7defa 167 }
Azure.IoT Build 0:6ae2f7bca550 168
AzureIoTClient 28:add19eb7defa 169 amqpvalue_destroy(end_performative_value);
AzureIoTClient 28:add19eb7defa 170 }
AzureIoTClient 28:add19eb7defa 171 }
Azure.IoT Build 0:6ae2f7bca550 172
AzureIoTClient 28:add19eb7defa 173 end_destroy(end_performative);
AzureIoTClient 28:add19eb7defa 174 }
Azure.IoT Build 0:6ae2f7bca550 175
AzureIoTClient 28:add19eb7defa 176 return result;
Azure.IoT Build 0:6ae2f7bca550 177 }
Azure.IoT Build 0:6ae2f7bca550 178
Azure.IoT Build 0:6ae2f7bca550 179 static void end_session_with_error(SESSION_INSTANCE* session_instance, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 180 {
AzureIoTClient 28:add19eb7defa 181 ERROR_HANDLE error_handle = error_create(condition_value);
AzureIoTClient 28:add19eb7defa 182 if (error_handle == NULL)
AzureIoTClient 28:add19eb7defa 183 {
AzureIoTClient 28:add19eb7defa 184 /* fatal error */
AzureIoTClient 28:add19eb7defa 185 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 43:4c1e4e94cdd3 186 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session", NULL);
AzureIoTClient 28:add19eb7defa 187 }
AzureIoTClient 28:add19eb7defa 188 else
AzureIoTClient 28:add19eb7defa 189 {
AzureIoTClient 28:add19eb7defa 190 if ((error_set_description(error_handle, description) != 0) ||
AzureIoTClient 28:add19eb7defa 191 (send_end_frame(session_instance, error_handle) != 0))
AzureIoTClient 28:add19eb7defa 192 {
AzureIoTClient 28:add19eb7defa 193 /* fatal error */
AzureIoTClient 28:add19eb7defa 194 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 43:4c1e4e94cdd3 195 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot allocate error handle to end session", NULL);
AzureIoTClient 28:add19eb7defa 196 }
AzureIoTClient 28:add19eb7defa 197 else
AzureIoTClient 28:add19eb7defa 198 {
AzureIoTClient 28:add19eb7defa 199 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 200 }
Azure.IoT Build 0:6ae2f7bca550 201
AzureIoTClient 28:add19eb7defa 202 error_destroy(error_handle);
AzureIoTClient 28:add19eb7defa 203 }
Azure.IoT Build 0:6ae2f7bca550 204 }
Azure.IoT Build 0:6ae2f7bca550 205
Azure.IoT Build 0:6ae2f7bca550 206 static int send_begin(SESSION_INSTANCE* session_instance)
Azure.IoT Build 0:6ae2f7bca550 207 {
AzureIoTClient 28:add19eb7defa 208 int result;
AzureIoTClient 28:add19eb7defa 209 BEGIN_HANDLE begin = begin_create(session_instance->next_outgoing_id, session_instance->incoming_window, session_instance->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 210
AzureIoTClient 28:add19eb7defa 211 if (begin == NULL)
AzureIoTClient 28:add19eb7defa 212 {
AzureIoTClient 28:add19eb7defa 213 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 214 }
AzureIoTClient 28:add19eb7defa 215 else
AzureIoTClient 28:add19eb7defa 216 {
AzureIoTClient 28:add19eb7defa 217 uint16_t remote_channel;
AzureIoTClient 28:add19eb7defa 218 if (begin_set_handle_max(begin, session_instance->handle_max) != 0)
AzureIoTClient 28:add19eb7defa 219 {
AzureIoTClient 28:add19eb7defa 220 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 221 }
AzureIoTClient 28:add19eb7defa 222 else if ((session_instance->session_state == SESSION_STATE_BEGIN_RCVD) &&
AzureIoTClient 28:add19eb7defa 223 ((connection_endpoint_get_incoming_channel(session_instance->endpoint, &remote_channel) != 0) ||
AzureIoTClient 28:add19eb7defa 224 (begin_set_remote_channel(begin, remote_channel) != 0)))
AzureIoTClient 28:add19eb7defa 225 {
AzureIoTClient 28:add19eb7defa 226 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 227 }
AzureIoTClient 28:add19eb7defa 228 else
AzureIoTClient 28:add19eb7defa 229 {
AzureIoTClient 28:add19eb7defa 230 AMQP_VALUE begin_performative_value = amqpvalue_create_begin(begin);
AzureIoTClient 28:add19eb7defa 231 if (begin_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 232 {
AzureIoTClient 28:add19eb7defa 233 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 234 }
AzureIoTClient 28:add19eb7defa 235 else
AzureIoTClient 28:add19eb7defa 236 {
AzureIoTClient 28:add19eb7defa 237 if (connection_encode_frame(session_instance->endpoint, begin_performative_value, NULL, 0, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 238 {
AzureIoTClient 28:add19eb7defa 239 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 240 }
AzureIoTClient 28:add19eb7defa 241 else
AzureIoTClient 28:add19eb7defa 242 {
AzureIoTClient 28:add19eb7defa 243 result = 0;
AzureIoTClient 28:add19eb7defa 244 }
Azure.IoT Build 0:6ae2f7bca550 245
AzureIoTClient 28:add19eb7defa 246 amqpvalue_destroy(begin_performative_value);
AzureIoTClient 28:add19eb7defa 247 }
AzureIoTClient 28:add19eb7defa 248 }
Azure.IoT Build 0:6ae2f7bca550 249
AzureIoTClient 28:add19eb7defa 250 begin_destroy(begin);
AzureIoTClient 28:add19eb7defa 251 }
Azure.IoT Build 0:6ae2f7bca550 252
AzureIoTClient 28:add19eb7defa 253 return result;
Azure.IoT Build 0:6ae2f7bca550 254 }
Azure.IoT Build 0:6ae2f7bca550 255
Azure.IoT Build 0:6ae2f7bca550 256 static int send_flow(SESSION_INSTANCE* session)
Azure.IoT Build 0:6ae2f7bca550 257 {
AzureIoTClient 28:add19eb7defa 258 int result;
AzureIoTClient 28:add19eb7defa 259 if (session == NULL)
AzureIoTClient 28:add19eb7defa 260 {
AzureIoTClient 28:add19eb7defa 261 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 262 }
AzureIoTClient 28:add19eb7defa 263 else
AzureIoTClient 28:add19eb7defa 264 {
AzureIoTClient 28:add19eb7defa 265 FLOW_HANDLE flow = flow_create(session->incoming_window, session->next_outgoing_id, session->outgoing_window);
Azure.IoT Build 0:6ae2f7bca550 266
AzureIoTClient 28:add19eb7defa 267 if (flow == NULL)
AzureIoTClient 28:add19eb7defa 268 {
AzureIoTClient 28:add19eb7defa 269 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 270 }
AzureIoTClient 28:add19eb7defa 271 else
AzureIoTClient 28:add19eb7defa 272 {
AzureIoTClient 28:add19eb7defa 273 if (flow_set_next_incoming_id(flow, session->next_incoming_id) != 0)
AzureIoTClient 28:add19eb7defa 274 {
AzureIoTClient 28:add19eb7defa 275 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 276 }
AzureIoTClient 28:add19eb7defa 277 else
AzureIoTClient 28:add19eb7defa 278 {
AzureIoTClient 28:add19eb7defa 279 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
AzureIoTClient 28:add19eb7defa 280 if (flow_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 281 {
AzureIoTClient 28:add19eb7defa 282 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 283 }
AzureIoTClient 28:add19eb7defa 284 else
AzureIoTClient 28:add19eb7defa 285 {
AzureIoTClient 28:add19eb7defa 286 if (connection_encode_frame(session->endpoint, flow_performative_value, NULL, 0, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 287 {
AzureIoTClient 28:add19eb7defa 288 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 289 }
AzureIoTClient 28:add19eb7defa 290 else
AzureIoTClient 28:add19eb7defa 291 {
AzureIoTClient 28:add19eb7defa 292 result = 0;
AzureIoTClient 28:add19eb7defa 293 }
Azure.IoT Build 0:6ae2f7bca550 294
AzureIoTClient 28:add19eb7defa 295 amqpvalue_destroy(flow_performative_value);
AzureIoTClient 28:add19eb7defa 296 }
AzureIoTClient 28:add19eb7defa 297 }
Azure.IoT Build 0:6ae2f7bca550 298
AzureIoTClient 28:add19eb7defa 299 flow_destroy(flow);
AzureIoTClient 28:add19eb7defa 300 }
AzureIoTClient 28:add19eb7defa 301 }
Azure.IoT Build 0:6ae2f7bca550 302
AzureIoTClient 28:add19eb7defa 303 return result;
Azure.IoT Build 0:6ae2f7bca550 304 }
Azure.IoT Build 0:6ae2f7bca550 305
Azure.IoT Build 0:6ae2f7bca550 306 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_name(SESSION_INSTANCE* session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 307 {
AzureIoTClient 28:add19eb7defa 308 uint32_t i;
AzureIoTClient 28:add19eb7defa 309 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 310
AzureIoTClient 28:add19eb7defa 311 for (i = 0; i < session->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 312 {
AzureIoTClient 28:add19eb7defa 313 if (strcmp(session->link_endpoints[i]->name, name) == 0)
AzureIoTClient 28:add19eb7defa 314 {
AzureIoTClient 28:add19eb7defa 315 break;
AzureIoTClient 28:add19eb7defa 316 }
AzureIoTClient 28:add19eb7defa 317 }
Azure.IoT Build 0:6ae2f7bca550 318
AzureIoTClient 28:add19eb7defa 319 if (i == session->link_endpoint_count)
AzureIoTClient 28:add19eb7defa 320 {
AzureIoTClient 28:add19eb7defa 321 result = NULL;
AzureIoTClient 28:add19eb7defa 322 }
AzureIoTClient 28:add19eb7defa 323 else
AzureIoTClient 28:add19eb7defa 324 {
AzureIoTClient 28:add19eb7defa 325 result = session->link_endpoints[i];
AzureIoTClient 28:add19eb7defa 326 }
Azure.IoT Build 0:6ae2f7bca550 327
AzureIoTClient 28:add19eb7defa 328 return result;
Azure.IoT Build 0:6ae2f7bca550 329 }
Azure.IoT Build 0:6ae2f7bca550 330
Azure.IoT Build 0:6ae2f7bca550 331 static LINK_ENDPOINT_INSTANCE* find_link_endpoint_by_input_handle(SESSION_INSTANCE* session, handle input_handle)
Azure.IoT Build 0:6ae2f7bca550 332 {
AzureIoTClient 28:add19eb7defa 333 uint32_t i;
AzureIoTClient 28:add19eb7defa 334 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 335
AzureIoTClient 28:add19eb7defa 336 for (i = 0; i < session->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 337 {
AzureIoTClient 28:add19eb7defa 338 if (session->link_endpoints[i]->input_handle == input_handle)
AzureIoTClient 28:add19eb7defa 339 {
AzureIoTClient 28:add19eb7defa 340 break;
AzureIoTClient 28:add19eb7defa 341 }
AzureIoTClient 28:add19eb7defa 342 }
Azure.IoT Build 0:6ae2f7bca550 343
AzureIoTClient 28:add19eb7defa 344 if (i == session->link_endpoint_count)
AzureIoTClient 28:add19eb7defa 345 {
AzureIoTClient 28:add19eb7defa 346 result = NULL;
AzureIoTClient 28:add19eb7defa 347 }
AzureIoTClient 28:add19eb7defa 348 else
AzureIoTClient 28:add19eb7defa 349 {
AzureIoTClient 28:add19eb7defa 350 result = session->link_endpoints[i];
AzureIoTClient 28:add19eb7defa 351 }
Azure.IoT Build 0:6ae2f7bca550 352
AzureIoTClient 28:add19eb7defa 353 return result;
Azure.IoT Build 0:6ae2f7bca550 354 }
Azure.IoT Build 0:6ae2f7bca550 355
Azure.IoT Build 0:6ae2f7bca550 356 static void on_connection_state_changed(void* context, CONNECTION_STATE new_connection_state, CONNECTION_STATE previous_connection_state)
Azure.IoT Build 0:6ae2f7bca550 357 {
AzureIoTClient 28:add19eb7defa 358 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 359
AzureIoTClient 43:4c1e4e94cdd3 360 /* Codes_S_R_S_SESSION_01_060: [If the previous connection state is not OPENED and the new connection state is OPENED, the BEGIN frame shall be sent out and the state shall be switched to BEGIN_SENT.] */
AzureIoTClient 28:add19eb7defa 361 if ((new_connection_state == CONNECTION_STATE_OPENED) && (previous_connection_state != CONNECTION_STATE_OPENED) && (session_instance->session_state == SESSION_STATE_UNMAPPED))
AzureIoTClient 28:add19eb7defa 362 {
AzureIoTClient 28:add19eb7defa 363 if (send_begin(session_instance) == 0)
AzureIoTClient 28:add19eb7defa 364 {
AzureIoTClient 28:add19eb7defa 365 session_set_state(session_instance, SESSION_STATE_BEGIN_SENT);
AzureIoTClient 28:add19eb7defa 366 }
AzureIoTClient 28:add19eb7defa 367 }
AzureIoTClient 43:4c1e4e94cdd3 368 /* Codes_S_R_S_SESSION_01_061: [If the previous connection state is OPENED and the new connection state is not OPENED anymore, the state shall be switched to DISCARDING.] */
AzureIoTClient 28:add19eb7defa 369 else if ((new_connection_state == CONNECTION_STATE_CLOSE_RCVD) || (new_connection_state == CONNECTION_STATE_END))
AzureIoTClient 28:add19eb7defa 370 {
AzureIoTClient 28:add19eb7defa 371 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 372 }
AzureIoTClient 43:4c1e4e94cdd3 373 /* Codes_S_R_S_SESSION_09_001: [If the new connection state is ERROR, the state shall be switched to ERROR.] */
AzureIoTClient 28:add19eb7defa 374 else if (new_connection_state == CONNECTION_STATE_ERROR)
AzureIoTClient 28:add19eb7defa 375 {
AzureIoTClient 28:add19eb7defa 376 session_set_state(session_instance, SESSION_STATE_ERROR);
AzureIoTClient 28:add19eb7defa 377 }
Azure.IoT Build 0:6ae2f7bca550 378 }
Azure.IoT Build 0:6ae2f7bca550 379
Azure.IoT Build 0:6ae2f7bca550 380 static void on_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes)
Azure.IoT Build 0:6ae2f7bca550 381 {
AzureIoTClient 28:add19eb7defa 382 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)context;
AzureIoTClient 28:add19eb7defa 383 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
Azure.IoT Build 0:6ae2f7bca550 384
AzureIoTClient 28:add19eb7defa 385 if (is_begin_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 386 {
AzureIoTClient 28:add19eb7defa 387 BEGIN_HANDLE begin_handle;
Azure.IoT Build 0:6ae2f7bca550 388
AzureIoTClient 28:add19eb7defa 389 if (amqpvalue_get_begin(performative, &begin_handle) != 0)
AzureIoTClient 28:add19eb7defa 390 {
AzureIoTClient 43:4c1e4e94cdd3 391 connection_close(session_instance->connection, "amqp:decode-error", "Cannot decode BEGIN frame", NULL);
AzureIoTClient 28:add19eb7defa 392 }
AzureIoTClient 28:add19eb7defa 393 else
AzureIoTClient 28:add19eb7defa 394 {
AzureIoTClient 28:add19eb7defa 395 if ((begin_get_incoming_window(begin_handle, &session_instance->remote_incoming_window) != 0) ||
AzureIoTClient 28:add19eb7defa 396 (begin_get_next_outgoing_id(begin_handle, &session_instance->next_incoming_id) != 0))
AzureIoTClient 28:add19eb7defa 397 {
AzureIoTClient 28:add19eb7defa 398 /* error */
AzureIoTClient 28:add19eb7defa 399 begin_destroy(begin_handle);
AzureIoTClient 28:add19eb7defa 400 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 43:4c1e4e94cdd3 401 connection_close(session_instance->connection, "amqp:decode-error", "Cannot get incoming windows and next outgoing id", NULL);
AzureIoTClient 28:add19eb7defa 402 }
AzureIoTClient 28:add19eb7defa 403 else
AzureIoTClient 28:add19eb7defa 404 {
AzureIoTClient 28:add19eb7defa 405 begin_destroy(begin_handle);
Azure.IoT Build 0:6ae2f7bca550 406
AzureIoTClient 28:add19eb7defa 407 if (session_instance->session_state == SESSION_STATE_BEGIN_SENT)
AzureIoTClient 28:add19eb7defa 408 {
AzureIoTClient 28:add19eb7defa 409 session_set_state(session_instance, SESSION_STATE_MAPPED);
AzureIoTClient 28:add19eb7defa 410 }
AzureIoTClient 28:add19eb7defa 411 else if(session_instance->session_state == SESSION_STATE_UNMAPPED)
AzureIoTClient 28:add19eb7defa 412 {
AzureIoTClient 28:add19eb7defa 413 session_set_state(session_instance, SESSION_STATE_BEGIN_RCVD);
AzureIoTClient 28:add19eb7defa 414 if (send_begin(session_instance) != 0)
AzureIoTClient 28:add19eb7defa 415 {
AzureIoTClient 43:4c1e4e94cdd3 416 connection_close(session_instance->connection, "amqp:internal-error", "Failed sending BEGIN frame", NULL);
AzureIoTClient 28:add19eb7defa 417 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 418 }
AzureIoTClient 28:add19eb7defa 419 else
AzureIoTClient 28:add19eb7defa 420 {
AzureIoTClient 28:add19eb7defa 421 session_set_state(session_instance, SESSION_STATE_MAPPED);
AzureIoTClient 28:add19eb7defa 422 }
AzureIoTClient 28:add19eb7defa 423 }
AzureIoTClient 28:add19eb7defa 424 }
AzureIoTClient 28:add19eb7defa 425 }
AzureIoTClient 28:add19eb7defa 426 }
AzureIoTClient 28:add19eb7defa 427 else if (is_attach_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 428 {
AzureIoTClient 28:add19eb7defa 429 const char* name = NULL;
AzureIoTClient 28:add19eb7defa 430 ATTACH_HANDLE attach_handle;
Azure.IoT Build 0:6ae2f7bca550 431
AzureIoTClient 28:add19eb7defa 432 if (amqpvalue_get_attach(performative, &attach_handle) != 0)
AzureIoTClient 28:add19eb7defa 433 {
AzureIoTClient 28:add19eb7defa 434 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode ATTACH frame");
AzureIoTClient 28:add19eb7defa 435 }
AzureIoTClient 28:add19eb7defa 436 else
AzureIoTClient 28:add19eb7defa 437 {
AzureIoTClient 28:add19eb7defa 438 role role;
AzureIoTClient 28:add19eb7defa 439 AMQP_VALUE source;
AzureIoTClient 28:add19eb7defa 440 AMQP_VALUE target;
Azure.IoT Build 0:6ae2f7bca550 441
AzureIoTClient 29:4a11413cf217 442 if (attach_get_name(attach_handle, &name) != 0)
AzureIoTClient 28:add19eb7defa 443 {
AzureIoTClient 28:add19eb7defa 444 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link name from ATTACH frame");
AzureIoTClient 28:add19eb7defa 445 }
AzureIoTClient 29:4a11413cf217 446 else if (attach_get_role(attach_handle, &role) != 0)
AzureIoTClient 29:4a11413cf217 447 {
AzureIoTClient 29:4a11413cf217 448 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link role from ATTACH frame");
AzureIoTClient 29:4a11413cf217 449 }
AzureIoTClient 29:4a11413cf217 450 else if (attach_get_source(attach_handle, &source) != 0)
AzureIoTClient 29:4a11413cf217 451 {
AzureIoTClient 29:4a11413cf217 452 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link source from ATTACH frame");
AzureIoTClient 29:4a11413cf217 453 }
AzureIoTClient 43:4c1e4e94cdd3 454 else if (attach_get_target(attach_handle, &target) != 0)
AzureIoTClient 29:4a11413cf217 455 {
AzureIoTClient 29:4a11413cf217 456 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get link target from ATTACH frame");
AzureIoTClient 29:4a11413cf217 457 }
AzureIoTClient 28:add19eb7defa 458 else
AzureIoTClient 28:add19eb7defa 459 {
AzureIoTClient 28:add19eb7defa 460 LINK_ENDPOINT_INSTANCE* link_endpoint = find_link_endpoint_by_name(session_instance, name);
AzureIoTClient 28:add19eb7defa 461 if (link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 462 {
AzureIoTClient 28:add19eb7defa 463 /* new link attach */
AzureIoTClient 28:add19eb7defa 464 if (session_instance->on_link_attached != NULL)
AzureIoTClient 28:add19eb7defa 465 {
AzureIoTClient 28:add19eb7defa 466 LINK_ENDPOINT_HANDLE new_link_endpoint = session_create_link_endpoint(session_instance, name);
AzureIoTClient 28:add19eb7defa 467 if (new_link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 468 {
AzureIoTClient 28:add19eb7defa 469 end_session_with_error(session_instance, "amqp:internal-error", "Cannot create link endpoint");
AzureIoTClient 28:add19eb7defa 470 }
Azure.IoT Build 0:6ae2f7bca550 471 else if (attach_get_handle(attach_handle, &new_link_endpoint->input_handle) != 0)
Azure.IoT Build 0:6ae2f7bca550 472 {
Azure.IoT Build 0:6ae2f7bca550 473 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
Azure.IoT Build 0:6ae2f7bca550 474 }
Azure.IoT Build 0:6ae2f7bca550 475 else
AzureIoTClient 28:add19eb7defa 476 {
AzureIoTClient 43:4c1e4e94cdd3 477 new_link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_ATTACHED;
AzureIoTClient 43:4c1e4e94cdd3 478
AzureIoTClient 28:add19eb7defa 479 if (!session_instance->on_link_attached(session_instance->on_link_attached_callback_context, new_link_endpoint, name, role, source, target))
AzureIoTClient 28:add19eb7defa 480 {
AzureIoTClient 43:4c1e4e94cdd3 481 remove_link_endpoint(new_link_endpoint);
AzureIoTClient 43:4c1e4e94cdd3 482 free_link_endpoint(new_link_endpoint);
AzureIoTClient 28:add19eb7defa 483 new_link_endpoint = NULL;
AzureIoTClient 28:add19eb7defa 484 }
AzureIoTClient 28:add19eb7defa 485 else
AzureIoTClient 28:add19eb7defa 486 {
AzureIoTClient 28:add19eb7defa 487 if (new_link_endpoint->frame_received_callback != NULL)
AzureIoTClient 28:add19eb7defa 488 {
AzureIoTClient 28:add19eb7defa 489 new_link_endpoint->frame_received_callback(new_link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 490 }
AzureIoTClient 28:add19eb7defa 491 }
AzureIoTClient 28:add19eb7defa 492 }
AzureIoTClient 28:add19eb7defa 493 }
AzureIoTClient 28:add19eb7defa 494 }
AzureIoTClient 28:add19eb7defa 495 else
AzureIoTClient 28:add19eb7defa 496 {
AzureIoTClient 28:add19eb7defa 497 if (attach_get_handle(attach_handle, &link_endpoint->input_handle) != 0)
AzureIoTClient 28:add19eb7defa 498 {
AzureIoTClient 28:add19eb7defa 499 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get input handle from ATTACH frame");
AzureIoTClient 28:add19eb7defa 500 }
AzureIoTClient 28:add19eb7defa 501 else
AzureIoTClient 28:add19eb7defa 502 {
AzureIoTClient 43:4c1e4e94cdd3 503 link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_ATTACHED;
AzureIoTClient 43:4c1e4e94cdd3 504
AzureIoTClient 28:add19eb7defa 505 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 28:add19eb7defa 506 }
AzureIoTClient 28:add19eb7defa 507 }
AzureIoTClient 28:add19eb7defa 508 }
Azure.IoT Build 0:6ae2f7bca550 509
AzureIoTClient 28:add19eb7defa 510 attach_destroy(attach_handle);
AzureIoTClient 28:add19eb7defa 511 }
AzureIoTClient 28:add19eb7defa 512 }
AzureIoTClient 28:add19eb7defa 513 else if (is_detach_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 514 {
AzureIoTClient 28:add19eb7defa 515 DETACH_HANDLE detach_handle;
Azure.IoT Build 0:6ae2f7bca550 516
AzureIoTClient 28:add19eb7defa 517 if (amqpvalue_get_detach(performative, &detach_handle) != 0)
AzureIoTClient 28:add19eb7defa 518 {
AzureIoTClient 28:add19eb7defa 519 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode DETACH frame");
AzureIoTClient 28:add19eb7defa 520 }
AzureIoTClient 28:add19eb7defa 521 else
AzureIoTClient 28:add19eb7defa 522 {
AzureIoTClient 28:add19eb7defa 523 uint32_t remote_handle;
AzureIoTClient 28:add19eb7defa 524 if (detach_get_handle(detach_handle, &remote_handle) != 0)
AzureIoTClient 28:add19eb7defa 525 {
AzureIoTClient 28:add19eb7defa 526 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from DETACH frame");
Azure.IoT Build 0:6ae2f7bca550 527
AzureIoTClient 28:add19eb7defa 528 detach_destroy(detach_handle);
AzureIoTClient 28:add19eb7defa 529 }
AzureIoTClient 28:add19eb7defa 530 else
AzureIoTClient 28:add19eb7defa 531 {
AzureIoTClient 28:add19eb7defa 532 LINK_ENDPOINT_INSTANCE* link_endpoint;
AzureIoTClient 28:add19eb7defa 533 detach_destroy(detach_handle);
Azure.IoT Build 0:6ae2f7bca550 534
AzureIoTClient 28:add19eb7defa 535 link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
AzureIoTClient 28:add19eb7defa 536 if (link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 537 {
AzureIoTClient 28:add19eb7defa 538 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
AzureIoTClient 28:add19eb7defa 539 }
AzureIoTClient 28:add19eb7defa 540 else
AzureIoTClient 28:add19eb7defa 541 {
AzureIoTClient 43:4c1e4e94cdd3 542 if (link_endpoint->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING)
AzureIoTClient 43:4c1e4e94cdd3 543 {
AzureIoTClient 43:4c1e4e94cdd3 544 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 43:4c1e4e94cdd3 545 }
AzureIoTClient 43:4c1e4e94cdd3 546 else
AzureIoTClient 43:4c1e4e94cdd3 547 {
AzureIoTClient 43:4c1e4e94cdd3 548 /* remove the link endpoint */
AzureIoTClient 43:4c1e4e94cdd3 549 remove_link_endpoint(link_endpoint);
AzureIoTClient 43:4c1e4e94cdd3 550 free_link_endpoint(link_endpoint);
AzureIoTClient 43:4c1e4e94cdd3 551 }
AzureIoTClient 28:add19eb7defa 552 }
AzureIoTClient 28:add19eb7defa 553 }
AzureIoTClient 28:add19eb7defa 554 }
AzureIoTClient 28:add19eb7defa 555 }
AzureIoTClient 28:add19eb7defa 556 else if (is_flow_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 557 {
AzureIoTClient 28:add19eb7defa 558 FLOW_HANDLE flow_handle;
Azure.IoT Build 0:6ae2f7bca550 559
AzureIoTClient 28:add19eb7defa 560 if (amqpvalue_get_flow(performative, &flow_handle) != 0)
AzureIoTClient 28:add19eb7defa 561 {
AzureIoTClient 28:add19eb7defa 562 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
AzureIoTClient 28:add19eb7defa 563 }
AzureIoTClient 28:add19eb7defa 564 else
AzureIoTClient 28:add19eb7defa 565 {
AzureIoTClient 28:add19eb7defa 566 uint32_t remote_handle;
AzureIoTClient 28:add19eb7defa 567 transfer_number flow_next_incoming_id;
AzureIoTClient 28:add19eb7defa 568 uint32_t flow_incoming_window;
Azure.IoT Build 0:6ae2f7bca550 569
Azure.IoT Build 0:6ae2f7bca550 570 if (flow_get_next_incoming_id(flow_handle, &flow_next_incoming_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 571 {
Azure.IoT Build 0:6ae2f7bca550 572 /*
AzureIoTClient 43:4c1e4e94cdd3 573 If the next-incoming-id field of the flow frame is not set,
AzureIoTClient 43:4c1e4e94cdd3 574 then remote-incomingwindow is computed as follows:
Azure.IoT Build 0:6ae2f7bca550 575 initial-outgoing-id(endpoint) + incoming-window(flow) - next-outgoing-id(endpoint)
Azure.IoT Build 0:6ae2f7bca550 576 */
Azure.IoT Build 0:6ae2f7bca550 577 flow_next_incoming_id = session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 578 }
Azure.IoT Build 0:6ae2f7bca550 579
AzureIoTClient 28:add19eb7defa 580 if ((flow_get_next_outgoing_id(flow_handle, &session_instance->next_incoming_id) != 0) ||
AzureIoTClient 28:add19eb7defa 581 (flow_get_incoming_window(flow_handle, &flow_incoming_window) != 0))
AzureIoTClient 28:add19eb7defa 582 {
AzureIoTClient 28:add19eb7defa 583 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 584
AzureIoTClient 28:add19eb7defa 585 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode FLOW frame");
AzureIoTClient 28:add19eb7defa 586 }
AzureIoTClient 28:add19eb7defa 587 else
AzureIoTClient 28:add19eb7defa 588 {
AzureIoTClient 28:add19eb7defa 589 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = NULL;
AzureIoTClient 28:add19eb7defa 590 size_t i;
Azure.IoT Build 0:6ae2f7bca550 591
AzureIoTClient 28:add19eb7defa 592 session_instance->remote_incoming_window = flow_next_incoming_id + flow_incoming_window - session_instance->next_outgoing_id;
Azure.IoT Build 0:6ae2f7bca550 593
AzureIoTClient 28:add19eb7defa 594 if (flow_get_handle(flow_handle, &remote_handle) == 0)
AzureIoTClient 28:add19eb7defa 595 {
AzureIoTClient 28:add19eb7defa 596 link_endpoint_instance = find_link_endpoint_by_input_handle(session_instance, remote_handle);
AzureIoTClient 28:add19eb7defa 597 }
Azure.IoT Build 0:6ae2f7bca550 598
AzureIoTClient 28:add19eb7defa 599 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 600
AzureIoTClient 28:add19eb7defa 601 if (link_endpoint_instance != NULL)
AzureIoTClient 28:add19eb7defa 602 {
AzureIoTClient 43:4c1e4e94cdd3 603 if (link_endpoint_instance->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING)
AzureIoTClient 43:4c1e4e94cdd3 604 {
AzureIoTClient 43:4c1e4e94cdd3 605 link_endpoint_instance->frame_received_callback(link_endpoint_instance->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 43:4c1e4e94cdd3 606 }
AzureIoTClient 28:add19eb7defa 607 }
Azure.IoT Build 0:6ae2f7bca550 608
AzureIoTClient 28:add19eb7defa 609 i = 0;
AzureIoTClient 28:add19eb7defa 610 while ((session_instance->remote_incoming_window > 0) && (i < session_instance->link_endpoint_count))
AzureIoTClient 28:add19eb7defa 611 {
AzureIoTClient 28:add19eb7defa 612 /* notify the caller that it can send here */
AzureIoTClient 28:add19eb7defa 613 if (session_instance->link_endpoints[i]->on_session_flow_on != NULL)
AzureIoTClient 28:add19eb7defa 614 {
AzureIoTClient 28:add19eb7defa 615 session_instance->link_endpoints[i]->on_session_flow_on(session_instance->link_endpoints[i]->callback_context);
AzureIoTClient 28:add19eb7defa 616 }
Azure.IoT Build 0:6ae2f7bca550 617
AzureIoTClient 28:add19eb7defa 618 i++;
AzureIoTClient 28:add19eb7defa 619 }
AzureIoTClient 28:add19eb7defa 620 }
AzureIoTClient 28:add19eb7defa 621 }
AzureIoTClient 28:add19eb7defa 622 }
AzureIoTClient 28:add19eb7defa 623 else if (is_transfer_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 624 {
AzureIoTClient 28:add19eb7defa 625 TRANSFER_HANDLE transfer_handle;
Azure.IoT Build 0:6ae2f7bca550 626
AzureIoTClient 28:add19eb7defa 627 if (amqpvalue_get_transfer(performative, &transfer_handle) != 0)
AzureIoTClient 28:add19eb7defa 628 {
AzureIoTClient 28:add19eb7defa 629 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode TRANSFER frame");
AzureIoTClient 28:add19eb7defa 630 }
AzureIoTClient 28:add19eb7defa 631 else
AzureIoTClient 28:add19eb7defa 632 {
AzureIoTClient 28:add19eb7defa 633 uint32_t remote_handle;
AzureIoTClient 28:add19eb7defa 634 delivery_number delivery_id;
Azure.IoT Build 0:6ae2f7bca550 635
AzureIoTClient 28:add19eb7defa 636 transfer_get_delivery_id(transfer_handle, &delivery_id);
AzureIoTClient 28:add19eb7defa 637 if (transfer_get_handle(transfer_handle, &remote_handle) != 0)
AzureIoTClient 28:add19eb7defa 638 {
AzureIoTClient 28:add19eb7defa 639 transfer_destroy(transfer_handle);
AzureIoTClient 28:add19eb7defa 640 end_session_with_error(session_instance, "amqp:decode-error", "Cannot get handle from TRANSFER frame");
AzureIoTClient 28:add19eb7defa 641 }
AzureIoTClient 28:add19eb7defa 642 else
AzureIoTClient 28:add19eb7defa 643 {
AzureIoTClient 28:add19eb7defa 644 LINK_ENDPOINT_INSTANCE* link_endpoint;
AzureIoTClient 28:add19eb7defa 645 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 646
AzureIoTClient 28:add19eb7defa 647 session_instance->next_incoming_id++;
AzureIoTClient 28:add19eb7defa 648 session_instance->remote_outgoing_window--;
AzureIoTClient 28:add19eb7defa 649 session_instance->incoming_window--;
Azure.IoT Build 0:6ae2f7bca550 650
AzureIoTClient 28:add19eb7defa 651 link_endpoint = find_link_endpoint_by_input_handle(session_instance, remote_handle);
AzureIoTClient 28:add19eb7defa 652 if (link_endpoint == NULL)
AzureIoTClient 28:add19eb7defa 653 {
AzureIoTClient 28:add19eb7defa 654 end_session_with_error(session_instance, "amqp:session:unattached-handle", "");
AzureIoTClient 28:add19eb7defa 655 }
AzureIoTClient 28:add19eb7defa 656 else
AzureIoTClient 28:add19eb7defa 657 {
AzureIoTClient 43:4c1e4e94cdd3 658 if (link_endpoint->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING)
AzureIoTClient 43:4c1e4e94cdd3 659 {
AzureIoTClient 43:4c1e4e94cdd3 660 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 43:4c1e4e94cdd3 661 }
AzureIoTClient 28:add19eb7defa 662 }
Azure.IoT Build 0:6ae2f7bca550 663
AzureIoTClient 28:add19eb7defa 664 if (session_instance->incoming_window == 0)
AzureIoTClient 28:add19eb7defa 665 {
Azure.IoT Build 0:6ae2f7bca550 666 session_instance->incoming_window = session_instance->desired_incoming_window;
AzureIoTClient 28:add19eb7defa 667 send_flow(session_instance);
AzureIoTClient 28:add19eb7defa 668 }
AzureIoTClient 28:add19eb7defa 669 }
AzureIoTClient 28:add19eb7defa 670 }
AzureIoTClient 28:add19eb7defa 671 }
AzureIoTClient 28:add19eb7defa 672 else if (is_disposition_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 673 {
AzureIoTClient 28:add19eb7defa 674 uint32_t i;
Azure.IoT Build 0:6ae2f7bca550 675
AzureIoTClient 28:add19eb7defa 676 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 677 {
AzureIoTClient 28:add19eb7defa 678 LINK_ENDPOINT_INSTANCE* link_endpoint = session_instance->link_endpoints[i];
AzureIoTClient 43:4c1e4e94cdd3 679 if (link_endpoint->link_endpoint_state != LINK_ENDPOINT_STATE_DETACHING)
AzureIoTClient 43:4c1e4e94cdd3 680 {
AzureIoTClient 43:4c1e4e94cdd3 681 link_endpoint->frame_received_callback(link_endpoint->callback_context, performative, payload_size, payload_bytes);
AzureIoTClient 43:4c1e4e94cdd3 682 }
AzureIoTClient 28:add19eb7defa 683 }
AzureIoTClient 28:add19eb7defa 684 }
AzureIoTClient 28:add19eb7defa 685 else if (is_end_type_by_descriptor(descriptor))
AzureIoTClient 28:add19eb7defa 686 {
AzureIoTClient 28:add19eb7defa 687 END_HANDLE end_handle;
Azure.IoT Build 0:6ae2f7bca550 688
AzureIoTClient 28:add19eb7defa 689 if (amqpvalue_get_end(performative, &end_handle) != 0)
AzureIoTClient 28:add19eb7defa 690 {
AzureIoTClient 28:add19eb7defa 691 end_session_with_error(session_instance, "amqp:decode-error", "Cannot decode END frame");
AzureIoTClient 28:add19eb7defa 692 }
AzureIoTClient 28:add19eb7defa 693 else
AzureIoTClient 28:add19eb7defa 694 {
AzureIoTClient 25:1101516ee67d 695 end_destroy(end_handle);
AzureIoTClient 28:add19eb7defa 696 if ((session_instance->session_state != SESSION_STATE_END_RCVD) &&
AzureIoTClient 28:add19eb7defa 697 (session_instance->session_state != SESSION_STATE_DISCARDING))
AzureIoTClient 28:add19eb7defa 698 {
AzureIoTClient 28:add19eb7defa 699 session_set_state(session_instance, SESSION_STATE_END_RCVD);
AzureIoTClient 28:add19eb7defa 700 if (send_end_frame(session_instance, NULL) != 0)
AzureIoTClient 28:add19eb7defa 701 {
AzureIoTClient 28:add19eb7defa 702 /* fatal error */
AzureIoTClient 43:4c1e4e94cdd3 703 (void)connection_close(session_instance->connection, "amqp:internal-error", "Cannot send END frame.", NULL);
AzureIoTClient 28:add19eb7defa 704 }
Azure.IoT Build 0:6ae2f7bca550 705
AzureIoTClient 28:add19eb7defa 706 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 707 }
AzureIoTClient 28:add19eb7defa 708 }
AzureIoTClient 28:add19eb7defa 709 }
Azure.IoT Build 0:6ae2f7bca550 710 }
Azure.IoT Build 0:6ae2f7bca550 711
Azure.IoT Build 0:6ae2f7bca550 712 SESSION_HANDLE session_create(CONNECTION_HANDLE connection, ON_LINK_ATTACHED on_link_attached, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 713 {
AzureIoTClient 28:add19eb7defa 714 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 715
AzureIoTClient 28:add19eb7defa 716 if (connection == NULL)
AzureIoTClient 28:add19eb7defa 717 {
AzureIoTClient 43:4c1e4e94cdd3 718 /* Codes_S_R_S_SESSION_01_031: [If connection is NULL, session_create shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 719 result = NULL;
AzureIoTClient 28:add19eb7defa 720 }
AzureIoTClient 28:add19eb7defa 721 else
AzureIoTClient 28:add19eb7defa 722 {
AzureIoTClient 43:4c1e4e94cdd3 723 /* Codes_S_R_S_SESSION_01_030: [session_create shall create a new session instance and return a non-NULL handle to it.] */
AzureIoTClient 28:add19eb7defa 724 result = (SESSION_INSTANCE*)malloc(sizeof(SESSION_INSTANCE));
AzureIoTClient 43:4c1e4e94cdd3 725 /* Codes_S_R_S_SESSION_01_042: [If allocating memory for the session fails, session_create shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 726 if (result != NULL)
AzureIoTClient 28:add19eb7defa 727 {
AzureIoTClient 28:add19eb7defa 728 result->connection = connection;
AzureIoTClient 28:add19eb7defa 729 result->link_endpoints = NULL;
AzureIoTClient 28:add19eb7defa 730 result->link_endpoint_count = 0;
AzureIoTClient 28:add19eb7defa 731 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 732
AzureIoTClient 43:4c1e4e94cdd3 733 /* Codes_S_R_S_SESSION_01_057: [The delivery ids shall be assigned starting at 0.] */
AzureIoTClient 43:4c1e4e94cdd3 734 /* Codes_S_R_S_SESSION_01_017: [The nextoutgoing-id MAY be initialized to an arbitrary value ] */
AzureIoTClient 28:add19eb7defa 735 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 736
Azure.IoT Build 0:6ae2f7bca550 737 result->desired_incoming_window = 1;
Azure.IoT Build 0:6ae2f7bca550 738 result->incoming_window = 1;
AzureIoTClient 28:add19eb7defa 739 result->outgoing_window = 1;
AzureIoTClient 28:add19eb7defa 740 result->handle_max = 4294967295u;
AzureIoTClient 28:add19eb7defa 741 result->remote_incoming_window = 0;
AzureIoTClient 28:add19eb7defa 742 result->remote_outgoing_window = 0;
AzureIoTClient 28:add19eb7defa 743 result->previous_session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 744 result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
AzureIoTClient 28:add19eb7defa 745 result->session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 746 result->on_link_attached = on_link_attached;
AzureIoTClient 28:add19eb7defa 747 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 748
AzureIoTClient 43:4c1e4e94cdd3 749 /* Codes_S_R_S_SESSION_01_032: [session_create shall create a new session endpoint by calling connection_create_endpoint.] */
AzureIoTClient 28:add19eb7defa 750 result->endpoint = connection_create_endpoint(connection);
AzureIoTClient 28:add19eb7defa 751 if (result->endpoint == NULL)
AzureIoTClient 28:add19eb7defa 752 {
AzureIoTClient 43:4c1e4e94cdd3 753 /* Codes_S_R_S_SESSION_01_033: [If connection_create_endpoint fails, session_create shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 754 free(result);
AzureIoTClient 28:add19eb7defa 755 result = NULL;
AzureIoTClient 28:add19eb7defa 756 }
AzureIoTClient 28:add19eb7defa 757 else
AzureIoTClient 28:add19eb7defa 758 {
AzureIoTClient 28:add19eb7defa 759 session_set_state(result, SESSION_STATE_UNMAPPED);
AzureIoTClient 28:add19eb7defa 760 }
AzureIoTClient 28:add19eb7defa 761 }
AzureIoTClient 28:add19eb7defa 762 }
Azure.IoT Build 0:6ae2f7bca550 763
AzureIoTClient 28:add19eb7defa 764 return result;
Azure.IoT Build 0:6ae2f7bca550 765 }
Azure.IoT Build 0:6ae2f7bca550 766
Azure.IoT Build 0:6ae2f7bca550 767 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 768 {
AzureIoTClient 28:add19eb7defa 769 SESSION_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 770
AzureIoTClient 28:add19eb7defa 771 if (endpoint == NULL)
AzureIoTClient 28:add19eb7defa 772 {
AzureIoTClient 28:add19eb7defa 773 result = NULL;
AzureIoTClient 28:add19eb7defa 774 }
AzureIoTClient 28:add19eb7defa 775 else
AzureIoTClient 28:add19eb7defa 776 {
AzureIoTClient 28:add19eb7defa 777 result = (SESSION_INSTANCE*)malloc(sizeof(SESSION_INSTANCE));
AzureIoTClient 28:add19eb7defa 778 if (result != NULL)
AzureIoTClient 28:add19eb7defa 779 {
AzureIoTClient 28:add19eb7defa 780 result->connection = connection;
AzureIoTClient 28:add19eb7defa 781 result->link_endpoints = NULL;
AzureIoTClient 28:add19eb7defa 782 result->link_endpoint_count = 0;
AzureIoTClient 28:add19eb7defa 783 result->handle_max = 4294967295u;
Azure.IoT Build 0:6ae2f7bca550 784
AzureIoTClient 28:add19eb7defa 785 result->next_outgoing_id = 0;
Azure.IoT Build 0:6ae2f7bca550 786
AzureIoTClient 22:524bded3f7a8 787 result->desired_incoming_window = 1;
AzureIoTClient 22:524bded3f7a8 788 result->incoming_window = 1;
AzureIoTClient 28:add19eb7defa 789 result->outgoing_window = 1;
AzureIoTClient 28:add19eb7defa 790 result->handle_max = 4294967295u;
AzureIoTClient 28:add19eb7defa 791 result->remote_incoming_window = 0;
AzureIoTClient 28:add19eb7defa 792 result->remote_outgoing_window = 0;
AzureIoTClient 28:add19eb7defa 793 result->previous_session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 794 result->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
AzureIoTClient 28:add19eb7defa 795 result->session_state = SESSION_STATE_UNMAPPED;
AzureIoTClient 28:add19eb7defa 796 result->on_link_attached = on_link_attached;
AzureIoTClient 28:add19eb7defa 797 result->on_link_attached_callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 798
AzureIoTClient 28:add19eb7defa 799 result->endpoint = endpoint;
AzureIoTClient 28:add19eb7defa 800 session_set_state(result, SESSION_STATE_UNMAPPED);
AzureIoTClient 28:add19eb7defa 801 }
AzureIoTClient 28:add19eb7defa 802 }
Azure.IoT Build 0:6ae2f7bca550 803
AzureIoTClient 28:add19eb7defa 804 return result;
Azure.IoT Build 0:6ae2f7bca550 805 }
Azure.IoT Build 0:6ae2f7bca550 806
Azure.IoT Build 0:6ae2f7bca550 807 void session_destroy(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 808 {
AzureIoTClient 43:4c1e4e94cdd3 809 /* Codes_S_R_S_SESSION_01_036: [If session is NULL, session_destroy shall do nothing.] */
AzureIoTClient 28:add19eb7defa 810 if (session != NULL)
AzureIoTClient 28:add19eb7defa 811 {
AzureIoTClient 28:add19eb7defa 812 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 813
AzureIoTClient 28:add19eb7defa 814 session_end(session, NULL, NULL);
Azure.IoT Build 0:6ae2f7bca550 815
AzureIoTClient 43:4c1e4e94cdd3 816 /* Codes_S_R_S_SESSION_01_034: [session_destroy shall free all resources allocated by session_create.] */
AzureIoTClient 43:4c1e4e94cdd3 817 /* Codes_S_R_S_SESSION_01_035: [The endpoint created in session_create shall be freed by calling connection_destroy_endpoint.] */
AzureIoTClient 28:add19eb7defa 818 connection_destroy_endpoint(session_instance->endpoint);
AzureIoTClient 28:add19eb7defa 819 if (session_instance->link_endpoints != NULL)
AzureIoTClient 28:add19eb7defa 820 {
AzureIoTClient 28:add19eb7defa 821 free(session_instance->link_endpoints);
AzureIoTClient 28:add19eb7defa 822 }
Azure.IoT Build 0:6ae2f7bca550 823
AzureIoTClient 28:add19eb7defa 824 free(session);
AzureIoTClient 28:add19eb7defa 825 }
Azure.IoT Build 0:6ae2f7bca550 826 }
Azure.IoT Build 0:6ae2f7bca550 827
Azure.IoT Build 0:6ae2f7bca550 828 int session_begin(SESSION_HANDLE session)
Azure.IoT Build 0:6ae2f7bca550 829 {
AzureIoTClient 28:add19eb7defa 830 int result;
Azure.IoT Build 0:6ae2f7bca550 831
AzureIoTClient 28:add19eb7defa 832 if (session == NULL)
AzureIoTClient 28:add19eb7defa 833 {
AzureIoTClient 28:add19eb7defa 834 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 835 }
AzureIoTClient 28:add19eb7defa 836 else
AzureIoTClient 28:add19eb7defa 837 {
AzureIoTClient 28:add19eb7defa 838 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 839
AzureIoTClient 28:add19eb7defa 840 if (connection_start_endpoint(session_instance->endpoint, on_frame_received, on_connection_state_changed, session_instance) != 0)
AzureIoTClient 28:add19eb7defa 841 {
AzureIoTClient 28:add19eb7defa 842 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 843 }
AzureIoTClient 28:add19eb7defa 844 else
AzureIoTClient 28:add19eb7defa 845 {
AzureIoTClient 28:add19eb7defa 846 if (!session_instance->is_underlying_connection_open)
AzureIoTClient 28:add19eb7defa 847 {
AzureIoTClient 28:add19eb7defa 848 if (connection_open(session_instance->connection) != 0)
AzureIoTClient 28:add19eb7defa 849 {
AzureIoTClient 28:add19eb7defa 850 session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_NOT_OPEN;
AzureIoTClient 28:add19eb7defa 851 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 852 }
AzureIoTClient 28:add19eb7defa 853 else
AzureIoTClient 28:add19eb7defa 854 {
AzureIoTClient 28:add19eb7defa 855 session_instance->is_underlying_connection_open = UNDERLYING_CONNECTION_OPEN;
AzureIoTClient 28:add19eb7defa 856 result = 0;
AzureIoTClient 28:add19eb7defa 857 }
AzureIoTClient 28:add19eb7defa 858 }
AzureIoTClient 28:add19eb7defa 859 else
AzureIoTClient 28:add19eb7defa 860 {
AzureIoTClient 28:add19eb7defa 861 result = 0;
AzureIoTClient 28:add19eb7defa 862 }
AzureIoTClient 28:add19eb7defa 863 }
AzureIoTClient 28:add19eb7defa 864 }
Azure.IoT Build 0:6ae2f7bca550 865
AzureIoTClient 28:add19eb7defa 866 return result;
Azure.IoT Build 0:6ae2f7bca550 867 }
Azure.IoT Build 0:6ae2f7bca550 868
Azure.IoT Build 0:6ae2f7bca550 869 int session_end(SESSION_HANDLE session, const char* condition_value, const char* description)
Azure.IoT Build 0:6ae2f7bca550 870 {
AzureIoTClient 28:add19eb7defa 871 int result;
Azure.IoT Build 0:6ae2f7bca550 872
AzureIoTClient 28:add19eb7defa 873 if (session == NULL)
AzureIoTClient 28:add19eb7defa 874 {
AzureIoTClient 28:add19eb7defa 875 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 876 }
AzureIoTClient 28:add19eb7defa 877 else
AzureIoTClient 28:add19eb7defa 878 {
AzureIoTClient 28:add19eb7defa 879 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
AzureIoTClient 43:4c1e4e94cdd3 880 size_t i;
Azure.IoT Build 0:6ae2f7bca550 881
AzureIoTClient 28:add19eb7defa 882 if ((session_instance->session_state != SESSION_STATE_UNMAPPED) &&
AzureIoTClient 28:add19eb7defa 883 (session_instance->session_state != SESSION_STATE_DISCARDING))
AzureIoTClient 28:add19eb7defa 884 {
AzureIoTClient 28:add19eb7defa 885 ERROR_HANDLE error_handle = NULL;
AzureIoTClient 28:add19eb7defa 886 result = 0;
Azure.IoT Build 0:6ae2f7bca550 887
AzureIoTClient 28:add19eb7defa 888 if (condition_value != NULL)
AzureIoTClient 28:add19eb7defa 889 {
AzureIoTClient 28:add19eb7defa 890 error_handle = error_create(condition_value);
AzureIoTClient 28:add19eb7defa 891 if (error_handle == NULL)
AzureIoTClient 28:add19eb7defa 892 {
AzureIoTClient 28:add19eb7defa 893 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 894 }
AzureIoTClient 28:add19eb7defa 895 else
AzureIoTClient 28:add19eb7defa 896 {
AzureIoTClient 28:add19eb7defa 897 if (error_set_description(error_handle, description) != 0)
AzureIoTClient 28:add19eb7defa 898 {
AzureIoTClient 28:add19eb7defa 899 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 900 }
AzureIoTClient 28:add19eb7defa 901 }
AzureIoTClient 28:add19eb7defa 902 }
Azure.IoT Build 0:6ae2f7bca550 903
AzureIoTClient 28:add19eb7defa 904 if (result == 0)
AzureIoTClient 28:add19eb7defa 905 {
AzureIoTClient 28:add19eb7defa 906 if (send_end_frame(session_instance, error_handle) != 0)
AzureIoTClient 28:add19eb7defa 907 {
AzureIoTClient 28:add19eb7defa 908 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 909 }
AzureIoTClient 28:add19eb7defa 910 else
AzureIoTClient 28:add19eb7defa 911 {
AzureIoTClient 28:add19eb7defa 912 session_set_state(session_instance, SESSION_STATE_DISCARDING);
AzureIoTClient 28:add19eb7defa 913 result = 0;
AzureIoTClient 28:add19eb7defa 914 }
AzureIoTClient 28:add19eb7defa 915 }
Azure.IoT Build 0:6ae2f7bca550 916
AzureIoTClient 28:add19eb7defa 917 if (error_handle != NULL)
AzureIoTClient 28:add19eb7defa 918 {
AzureIoTClient 28:add19eb7defa 919 error_destroy(error_handle);
AzureIoTClient 28:add19eb7defa 920 }
AzureIoTClient 28:add19eb7defa 921 }
AzureIoTClient 28:add19eb7defa 922 else
AzureIoTClient 28:add19eb7defa 923 {
AzureIoTClient 28:add19eb7defa 924 result = 0;
AzureIoTClient 28:add19eb7defa 925 }
AzureIoTClient 43:4c1e4e94cdd3 926
AzureIoTClient 43:4c1e4e94cdd3 927 // all link endpoints are destroyed when the session end happens
AzureIoTClient 43:4c1e4e94cdd3 928 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 43:4c1e4e94cdd3 929 {
AzureIoTClient 43:4c1e4e94cdd3 930 free_link_endpoint(session_instance->link_endpoints[i]);
AzureIoTClient 43:4c1e4e94cdd3 931 }
AzureIoTClient 43:4c1e4e94cdd3 932
AzureIoTClient 43:4c1e4e94cdd3 933 session_instance->link_endpoint_count = 0;
AzureIoTClient 28:add19eb7defa 934 }
Azure.IoT Build 0:6ae2f7bca550 935
AzureIoTClient 28:add19eb7defa 936 return result;
Azure.IoT Build 0:6ae2f7bca550 937 }
Azure.IoT Build 0:6ae2f7bca550 938
Azure.IoT Build 0:6ae2f7bca550 939 int session_set_incoming_window(SESSION_HANDLE session, uint32_t incoming_window)
Azure.IoT Build 0:6ae2f7bca550 940 {
AzureIoTClient 28:add19eb7defa 941 int result;
Azure.IoT Build 0:6ae2f7bca550 942
AzureIoTClient 28:add19eb7defa 943 if (session == NULL)
AzureIoTClient 28:add19eb7defa 944 {
AzureIoTClient 28:add19eb7defa 945 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 946 }
AzureIoTClient 28:add19eb7defa 947 else
AzureIoTClient 28:add19eb7defa 948 {
AzureIoTClient 28:add19eb7defa 949 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 950
AzureIoTClient 28:add19eb7defa 951 session_instance->desired_incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 952 session_instance->incoming_window = incoming_window;
Azure.IoT Build 0:6ae2f7bca550 953
AzureIoTClient 28:add19eb7defa 954 result = 0;
AzureIoTClient 28:add19eb7defa 955 }
Azure.IoT Build 0:6ae2f7bca550 956
AzureIoTClient 28:add19eb7defa 957 return result;
Azure.IoT Build 0:6ae2f7bca550 958 }
Azure.IoT Build 0:6ae2f7bca550 959
Azure.IoT Build 0:6ae2f7bca550 960 int session_get_incoming_window(SESSION_HANDLE session, uint32_t* incoming_window)
Azure.IoT Build 0:6ae2f7bca550 961 {
AzureIoTClient 28:add19eb7defa 962 int result;
Azure.IoT Build 0:6ae2f7bca550 963
AzureIoTClient 28:add19eb7defa 964 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 965 (incoming_window == NULL))
AzureIoTClient 28:add19eb7defa 966 {
AzureIoTClient 28:add19eb7defa 967 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 968 }
AzureIoTClient 28:add19eb7defa 969 else
AzureIoTClient 28:add19eb7defa 970 {
AzureIoTClient 28:add19eb7defa 971 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 972
AzureIoTClient 28:add19eb7defa 973 *incoming_window = session_instance->incoming_window;
Azure.IoT Build 0:6ae2f7bca550 974
AzureIoTClient 28:add19eb7defa 975 result = 0;
AzureIoTClient 28:add19eb7defa 976 }
Azure.IoT Build 0:6ae2f7bca550 977
AzureIoTClient 28:add19eb7defa 978 return result;
Azure.IoT Build 0:6ae2f7bca550 979 }
Azure.IoT Build 0:6ae2f7bca550 980
Azure.IoT Build 0:6ae2f7bca550 981 int session_set_outgoing_window(SESSION_HANDLE session, uint32_t outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 982 {
AzureIoTClient 28:add19eb7defa 983 int result;
Azure.IoT Build 0:6ae2f7bca550 984
AzureIoTClient 28:add19eb7defa 985 if (session == NULL)
AzureIoTClient 28:add19eb7defa 986 {
AzureIoTClient 28:add19eb7defa 987 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 988 }
AzureIoTClient 28:add19eb7defa 989 else
AzureIoTClient 28:add19eb7defa 990 {
AzureIoTClient 28:add19eb7defa 991 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 992
AzureIoTClient 28:add19eb7defa 993 session_instance->outgoing_window = outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 994
AzureIoTClient 28:add19eb7defa 995 result = 0;
AzureIoTClient 28:add19eb7defa 996 }
Azure.IoT Build 0:6ae2f7bca550 997
AzureIoTClient 28:add19eb7defa 998 return result;
Azure.IoT Build 0:6ae2f7bca550 999 }
Azure.IoT Build 0:6ae2f7bca550 1000
Azure.IoT Build 0:6ae2f7bca550 1001 int session_get_outgoing_window(SESSION_HANDLE session, uint32_t* outgoing_window)
Azure.IoT Build 0:6ae2f7bca550 1002 {
AzureIoTClient 28:add19eb7defa 1003 int result;
Azure.IoT Build 0:6ae2f7bca550 1004
AzureIoTClient 28:add19eb7defa 1005 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 1006 (outgoing_window == NULL))
AzureIoTClient 28:add19eb7defa 1007 {
AzureIoTClient 28:add19eb7defa 1008 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1009 }
AzureIoTClient 28:add19eb7defa 1010 else
AzureIoTClient 28:add19eb7defa 1011 {
AzureIoTClient 28:add19eb7defa 1012 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 1013
AzureIoTClient 28:add19eb7defa 1014 *outgoing_window = session_instance->outgoing_window;
Azure.IoT Build 0:6ae2f7bca550 1015
AzureIoTClient 28:add19eb7defa 1016 result = 0;
AzureIoTClient 28:add19eb7defa 1017 }
Azure.IoT Build 0:6ae2f7bca550 1018
AzureIoTClient 28:add19eb7defa 1019 return result;
Azure.IoT Build 0:6ae2f7bca550 1020 }
Azure.IoT Build 0:6ae2f7bca550 1021
Azure.IoT Build 0:6ae2f7bca550 1022 int session_set_handle_max(SESSION_HANDLE session, handle handle_max)
Azure.IoT Build 0:6ae2f7bca550 1023 {
AzureIoTClient 28:add19eb7defa 1024 int result;
Azure.IoT Build 0:6ae2f7bca550 1025
AzureIoTClient 28:add19eb7defa 1026 if (session == NULL)
AzureIoTClient 28:add19eb7defa 1027 {
AzureIoTClient 28:add19eb7defa 1028 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1029 }
AzureIoTClient 28:add19eb7defa 1030 else
AzureIoTClient 28:add19eb7defa 1031 {
AzureIoTClient 28:add19eb7defa 1032 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 1033
AzureIoTClient 28:add19eb7defa 1034 session_instance->handle_max = handle_max;
Azure.IoT Build 0:6ae2f7bca550 1035
AzureIoTClient 28:add19eb7defa 1036 result = 0;
AzureIoTClient 28:add19eb7defa 1037 }
Azure.IoT Build 0:6ae2f7bca550 1038
AzureIoTClient 28:add19eb7defa 1039 return result;
Azure.IoT Build 0:6ae2f7bca550 1040 }
Azure.IoT Build 0:6ae2f7bca550 1041
Azure.IoT Build 0:6ae2f7bca550 1042 int session_get_handle_max(SESSION_HANDLE session, handle* handle_max)
Azure.IoT Build 0:6ae2f7bca550 1043 {
AzureIoTClient 28:add19eb7defa 1044 int result;
Azure.IoT Build 0:6ae2f7bca550 1045
AzureIoTClient 28:add19eb7defa 1046 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 1047 (handle_max == NULL))
AzureIoTClient 28:add19eb7defa 1048 {
AzureIoTClient 28:add19eb7defa 1049 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1050 }
AzureIoTClient 28:add19eb7defa 1051 else
AzureIoTClient 28:add19eb7defa 1052 {
AzureIoTClient 28:add19eb7defa 1053 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 1054
AzureIoTClient 28:add19eb7defa 1055 *handle_max = session_instance->handle_max;
Azure.IoT Build 0:6ae2f7bca550 1056
AzureIoTClient 28:add19eb7defa 1057 result = 0;
AzureIoTClient 28:add19eb7defa 1058 }
Azure.IoT Build 0:6ae2f7bca550 1059
AzureIoTClient 28:add19eb7defa 1060 return result;
Azure.IoT Build 0:6ae2f7bca550 1061 }
Azure.IoT Build 0:6ae2f7bca550 1062
Azure.IoT Build 0:6ae2f7bca550 1063 LINK_ENDPOINT_HANDLE session_create_link_endpoint(SESSION_HANDLE session, const char* name)
Azure.IoT Build 0:6ae2f7bca550 1064 {
AzureIoTClient 28:add19eb7defa 1065 LINK_ENDPOINT_INSTANCE* result;
Azure.IoT Build 0:6ae2f7bca550 1066
AzureIoTClient 43:4c1e4e94cdd3 1067 /* Codes_S_R_S_SESSION_01_044: [If session, name or frame_received_callback is NULL, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 1068 if ((session == NULL) ||
AzureIoTClient 28:add19eb7defa 1069 (name == NULL))
AzureIoTClient 28:add19eb7defa 1070 {
AzureIoTClient 28:add19eb7defa 1071 result = NULL;
AzureIoTClient 28:add19eb7defa 1072 }
AzureIoTClient 28:add19eb7defa 1073 else
AzureIoTClient 28:add19eb7defa 1074 {
AzureIoTClient 43:4c1e4e94cdd3 1075 /* Codes_S_R_S_SESSION_01_043: [session_create_link_endpoint shall create a link endpoint associated with a given session and return a non-NULL handle to it.] */
AzureIoTClient 28:add19eb7defa 1076 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)session;
Azure.IoT Build 0:6ae2f7bca550 1077
AzureIoTClient 28:add19eb7defa 1078 result = (LINK_ENDPOINT_INSTANCE*)malloc(sizeof(LINK_ENDPOINT_INSTANCE));
AzureIoTClient 43:4c1e4e94cdd3 1079 /* Codes_S_R_S_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 1080 if (result != NULL)
AzureIoTClient 28:add19eb7defa 1081 {
AzureIoTClient 43:4c1e4e94cdd3 1082 /* Codes_S_R_S_SESSION_01_046: [An unused handle shall be assigned to the link endpoint.] */
AzureIoTClient 28:add19eb7defa 1083 handle selected_handle = 0;
AzureIoTClient 28:add19eb7defa 1084 size_t i;
AzureIoTClient 23:1111ee8bcba4 1085 size_t name_length;
Azure.IoT Build 0:6ae2f7bca550 1086
AzureIoTClient 28:add19eb7defa 1087 for (i = 0; i < session_instance->link_endpoint_count; i++)
AzureIoTClient 28:add19eb7defa 1088 {
AzureIoTClient 28:add19eb7defa 1089 if (session_instance->link_endpoints[i]->output_handle > selected_handle)
AzureIoTClient 28:add19eb7defa 1090 {
AzureIoTClient 28:add19eb7defa 1091 break;
AzureIoTClient 28:add19eb7defa 1092 }
Azure.IoT Build 0:6ae2f7bca550 1093
AzureIoTClient 28:add19eb7defa 1094 selected_handle++;
AzureIoTClient 28:add19eb7defa 1095 }
Azure.IoT Build 0:6ae2f7bca550 1096
AzureIoTClient 28:add19eb7defa 1097 result->on_session_state_changed = NULL;
AzureIoTClient 28:add19eb7defa 1098 result->on_session_flow_on = NULL;
AzureIoTClient 28:add19eb7defa 1099 result->frame_received_callback = NULL;
AzureIoTClient 28:add19eb7defa 1100 result->callback_context = NULL;
AzureIoTClient 28:add19eb7defa 1101 result->output_handle = selected_handle;
AzureIoTClient 28:add19eb7defa 1102 result->input_handle = 0xFFFFFFFF;
AzureIoTClient 43:4c1e4e94cdd3 1103 result->link_endpoint_state = LINK_ENDPOINT_STATE_NOT_ATTACHED;
AzureIoTClient 23:1111ee8bcba4 1104 name_length = strlen(name);
AzureIoTClient 28:add19eb7defa 1105 result->name = (char*)malloc(name_length + 1);
AzureIoTClient 28:add19eb7defa 1106 if (result->name == NULL)
AzureIoTClient 28:add19eb7defa 1107 {
AzureIoTClient 43:4c1e4e94cdd3 1108 /* Codes_S_R_S_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 28:add19eb7defa 1109 free(result);
AzureIoTClient 28:add19eb7defa 1110 result = NULL;
AzureIoTClient 28:add19eb7defa 1111 }
AzureIoTClient 28:add19eb7defa 1112 else
AzureIoTClient 28:add19eb7defa 1113 {
AzureIoTClient 28:add19eb7defa 1114 LINK_ENDPOINT_INSTANCE** new_link_endpoints;
AzureIoTClient 28:add19eb7defa 1115 (void)memcpy(result->name, name, name_length + 1);
AzureIoTClient 28:add19eb7defa 1116 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 1117
AzureIoTClient 28:add19eb7defa 1118 new_link_endpoints = (LINK_ENDPOINT_INSTANCE**)realloc(session_instance->link_endpoints, sizeof(LINK_ENDPOINT_INSTANCE*) * (session_instance->link_endpoint_count + 1));
AzureIoTClient 28:add19eb7defa 1119 if (new_link_endpoints == NULL)
AzureIoTClient 28:add19eb7defa 1120 {
AzureIoTClient 43:4c1e4e94cdd3 1121 /* Codes_S_R_S_SESSION_01_045: [If allocating memory for the link endpoint fails, session_create_link_endpoint shall fail and return NULL.] */
AzureIoTClient 21:f9c433d8e6ca 1122 free(result->name);
AzureIoTClient 28:add19eb7defa 1123 free(result);
AzureIoTClient 28:add19eb7defa 1124 result = NULL;
AzureIoTClient 28:add19eb7defa 1125 }
AzureIoTClient 28:add19eb7defa 1126 else
AzureIoTClient 28:add19eb7defa 1127 {
AzureIoTClient 28:add19eb7defa 1128 session_instance->link_endpoints = new_link_endpoints;
Azure.IoT Build 0:6ae2f7bca550 1129
AzureIoTClient 28:add19eb7defa 1130 if (session_instance->link_endpoint_count - selected_handle > 0)
AzureIoTClient 28:add19eb7defa 1131 {
AzureIoTClient 28:add19eb7defa 1132 (void)memmove(&session_instance->link_endpoints[selected_handle + 1], &session_instance->link_endpoints[selected_handle], (session_instance->link_endpoint_count - selected_handle) * sizeof(LINK_ENDPOINT_INSTANCE*));
AzureIoTClient 28:add19eb7defa 1133 }
Azure.IoT Build 0:6ae2f7bca550 1134
AzureIoTClient 28:add19eb7defa 1135 session_instance->link_endpoints[selected_handle] = result;
AzureIoTClient 28:add19eb7defa 1136 session_instance->link_endpoint_count++;
AzureIoTClient 28:add19eb7defa 1137 }
AzureIoTClient 28:add19eb7defa 1138 }
AzureIoTClient 28:add19eb7defa 1139 }
AzureIoTClient 28:add19eb7defa 1140 }
Azure.IoT Build 0:6ae2f7bca550 1141
AzureIoTClient 28:add19eb7defa 1142 return result;
Azure.IoT Build 0:6ae2f7bca550 1143 }
Azure.IoT Build 0:6ae2f7bca550 1144
Azure.IoT Build 0:6ae2f7bca550 1145 void session_destroy_link_endpoint(LINK_ENDPOINT_HANDLE link_endpoint)
Azure.IoT Build 0:6ae2f7bca550 1146 {
AzureIoTClient 28:add19eb7defa 1147 if (link_endpoint != NULL)
AzureIoTClient 28:add19eb7defa 1148 {
AzureIoTClient 28:add19eb7defa 1149 LINK_ENDPOINT_INSTANCE* endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1150
AzureIoTClient 43:4c1e4e94cdd3 1151 if (endpoint_instance->link_endpoint_state == LINK_ENDPOINT_STATE_ATTACHED)
AzureIoTClient 28:add19eb7defa 1152 {
AzureIoTClient 43:4c1e4e94cdd3 1153 endpoint_instance->link_endpoint_state = LINK_ENDPOINT_STATE_DETACHING;
AzureIoTClient 28:add19eb7defa 1154 }
AzureIoTClient 43:4c1e4e94cdd3 1155 else
AzureIoTClient 28:add19eb7defa 1156 {
AzureIoTClient 43:4c1e4e94cdd3 1157 remove_link_endpoint(link_endpoint);
AzureIoTClient 43:4c1e4e94cdd3 1158 free_link_endpoint(link_endpoint);
AzureIoTClient 28:add19eb7defa 1159 }
AzureIoTClient 28:add19eb7defa 1160 }
Azure.IoT Build 0:6ae2f7bca550 1161 }
Azure.IoT Build 0:6ae2f7bca550 1162
Azure.IoT Build 0:6ae2f7bca550 1163 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 1164 {
AzureIoTClient 28:add19eb7defa 1165 int result;
Azure.IoT Build 0:6ae2f7bca550 1166
AzureIoTClient 28:add19eb7defa 1167 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1168 (frame_received_callback == NULL))
AzureIoTClient 28:add19eb7defa 1169 {
AzureIoTClient 28:add19eb7defa 1170 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1171 }
AzureIoTClient 28:add19eb7defa 1172 else
AzureIoTClient 28:add19eb7defa 1173 {
AzureIoTClient 28:add19eb7defa 1174 link_endpoint->frame_received_callback = frame_received_callback;
AzureIoTClient 28:add19eb7defa 1175 link_endpoint->on_session_state_changed = on_session_state_changed;
AzureIoTClient 28:add19eb7defa 1176 link_endpoint->on_session_flow_on = on_session_flow_on;
AzureIoTClient 28:add19eb7defa 1177 link_endpoint->callback_context = context;
AzureIoTClient 43:4c1e4e94cdd3 1178 link_endpoint->link_endpoint_state = LINK_ENDPOINT_STATE_NOT_ATTACHED;
Azure.IoT Build 0:6ae2f7bca550 1179
AzureIoTClient 28:add19eb7defa 1180 if (link_endpoint->on_session_state_changed != NULL)
AzureIoTClient 28:add19eb7defa 1181 {
AzureIoTClient 28:add19eb7defa 1182 link_endpoint->on_session_state_changed(link_endpoint->callback_context, link_endpoint->session->session_state, link_endpoint->session->previous_session_state);
AzureIoTClient 28:add19eb7defa 1183 }
Azure.IoT Build 0:6ae2f7bca550 1184
AzureIoTClient 28:add19eb7defa 1185 result = 0;
AzureIoTClient 28:add19eb7defa 1186 }
Azure.IoT Build 0:6ae2f7bca550 1187
AzureIoTClient 28:add19eb7defa 1188 return result;
Azure.IoT Build 0:6ae2f7bca550 1189 }
Azure.IoT Build 0:6ae2f7bca550 1190
AzureIoTClient 30:0407b2db334c 1191 static int encode_frame(LINK_ENDPOINT_HANDLE link_endpoint, AMQP_VALUE performative, PAYLOAD* payloads, size_t payload_count)
Azure.IoT Build 0:6ae2f7bca550 1192 {
AzureIoTClient 28:add19eb7defa 1193 int result;
Azure.IoT Build 0:6ae2f7bca550 1194
AzureIoTClient 28:add19eb7defa 1195 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1196 (performative == NULL))
AzureIoTClient 28:add19eb7defa 1197 {
AzureIoTClient 28:add19eb7defa 1198 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1199 }
AzureIoTClient 28:add19eb7defa 1200 else
AzureIoTClient 28:add19eb7defa 1201 {
AzureIoTClient 28:add19eb7defa 1202 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1203 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1204
AzureIoTClient 28:add19eb7defa 1205 if (connection_encode_frame(session_instance->endpoint, performative, payloads, payload_count, NULL, NULL) != 0)
AzureIoTClient 28:add19eb7defa 1206 {
AzureIoTClient 28:add19eb7defa 1207 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1208 }
AzureIoTClient 28:add19eb7defa 1209 else
AzureIoTClient 28:add19eb7defa 1210 {
AzureIoTClient 28:add19eb7defa 1211 result = 0;
AzureIoTClient 28:add19eb7defa 1212 }
AzureIoTClient 28:add19eb7defa 1213 }
Azure.IoT Build 0:6ae2f7bca550 1214
AzureIoTClient 28:add19eb7defa 1215 return result;
Azure.IoT Build 0:6ae2f7bca550 1216 }
Azure.IoT Build 0:6ae2f7bca550 1217
Azure.IoT Build 0:6ae2f7bca550 1218 int session_send_flow(LINK_ENDPOINT_HANDLE link_endpoint, FLOW_HANDLE flow)
Azure.IoT Build 0:6ae2f7bca550 1219 {
AzureIoTClient 28:add19eb7defa 1220 int result;
Azure.IoT Build 0:6ae2f7bca550 1221
AzureIoTClient 28:add19eb7defa 1222 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1223 (flow == NULL))
AzureIoTClient 28:add19eb7defa 1224 {
AzureIoTClient 28:add19eb7defa 1225 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1226 }
AzureIoTClient 28:add19eb7defa 1227 else
AzureIoTClient 28:add19eb7defa 1228 {
AzureIoTClient 28:add19eb7defa 1229 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1230 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1231
AzureIoTClient 28:add19eb7defa 1232 result = 0;
Azure.IoT Build 0:6ae2f7bca550 1233
AzureIoTClient 28:add19eb7defa 1234 if (session_instance->session_state == SESSION_STATE_BEGIN_RCVD)
AzureIoTClient 28:add19eb7defa 1235 {
AzureIoTClient 28:add19eb7defa 1236 if (flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0)
AzureIoTClient 28:add19eb7defa 1237 {
AzureIoTClient 28:add19eb7defa 1238 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1239 }
AzureIoTClient 28:add19eb7defa 1240 }
Azure.IoT Build 0:6ae2f7bca550 1241
AzureIoTClient 28:add19eb7defa 1242 if (result == 0)
AzureIoTClient 28:add19eb7defa 1243 {
AzureIoTClient 12:b30dacf113f2 1244 if ((flow_set_next_incoming_id(flow, session_instance->next_incoming_id) != 0) ||
AzureIoTClient 12:b30dacf113f2 1245 (flow_set_incoming_window(flow, session_instance->incoming_window) != 0) ||
AzureIoTClient 12:b30dacf113f2 1246 (flow_set_next_outgoing_id(flow, session_instance->next_outgoing_id) != 0) ||
AzureIoTClient 28:add19eb7defa 1247 (flow_set_outgoing_window(flow, session_instance->outgoing_window) != 0) ||
AzureIoTClient 28:add19eb7defa 1248 (flow_set_handle(flow, link_endpoint_instance->output_handle) != 0))
AzureIoTClient 28:add19eb7defa 1249 {
AzureIoTClient 28:add19eb7defa 1250 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1251 }
AzureIoTClient 28:add19eb7defa 1252 else
AzureIoTClient 28:add19eb7defa 1253 {
AzureIoTClient 28:add19eb7defa 1254 AMQP_VALUE flow_performative_value = amqpvalue_create_flow(flow);
AzureIoTClient 28:add19eb7defa 1255 if (flow_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1256 {
AzureIoTClient 28:add19eb7defa 1257 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1258 }
AzureIoTClient 28:add19eb7defa 1259 else
AzureIoTClient 28:add19eb7defa 1260 {
AzureIoTClient 28:add19eb7defa 1261 if (encode_frame(link_endpoint, flow_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1262 {
AzureIoTClient 28:add19eb7defa 1263 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1264 }
AzureIoTClient 28:add19eb7defa 1265 else
AzureIoTClient 28:add19eb7defa 1266 {
AzureIoTClient 28:add19eb7defa 1267 result = 0;
AzureIoTClient 28:add19eb7defa 1268 }
Azure.IoT Build 0:6ae2f7bca550 1269
AzureIoTClient 28:add19eb7defa 1270 amqpvalue_destroy(flow_performative_value);
AzureIoTClient 28:add19eb7defa 1271 }
AzureIoTClient 28:add19eb7defa 1272 }
AzureIoTClient 28:add19eb7defa 1273 }
AzureIoTClient 28:add19eb7defa 1274 }
Azure.IoT Build 0:6ae2f7bca550 1275
AzureIoTClient 28:add19eb7defa 1276 return result;
Azure.IoT Build 0:6ae2f7bca550 1277 }
Azure.IoT Build 0:6ae2f7bca550 1278
Azure.IoT Build 0:6ae2f7bca550 1279 int session_send_attach(LINK_ENDPOINT_HANDLE link_endpoint, ATTACH_HANDLE attach)
Azure.IoT Build 0:6ae2f7bca550 1280 {
AzureIoTClient 28:add19eb7defa 1281 int result;
Azure.IoT Build 0:6ae2f7bca550 1282
AzureIoTClient 28:add19eb7defa 1283 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1284 (attach == NULL))
AzureIoTClient 28:add19eb7defa 1285 {
AzureIoTClient 28:add19eb7defa 1286 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1287 }
AzureIoTClient 28:add19eb7defa 1288 else
AzureIoTClient 28:add19eb7defa 1289 {
AzureIoTClient 28:add19eb7defa 1290 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1291
AzureIoTClient 28:add19eb7defa 1292 if (attach_set_handle(attach, link_endpoint_instance->output_handle) != 0)
AzureIoTClient 28:add19eb7defa 1293 {
AzureIoTClient 28:add19eb7defa 1294 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1295 }
AzureIoTClient 28:add19eb7defa 1296 else
AzureIoTClient 28:add19eb7defa 1297 {
AzureIoTClient 28:add19eb7defa 1298 AMQP_VALUE attach_performative_value = amqpvalue_create_attach(attach);
AzureIoTClient 28:add19eb7defa 1299 if (attach_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1300 {
AzureIoTClient 28:add19eb7defa 1301 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1302 }
AzureIoTClient 28:add19eb7defa 1303 else
AzureIoTClient 28:add19eb7defa 1304 {
AzureIoTClient 28:add19eb7defa 1305 if (encode_frame(link_endpoint, attach_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1306 {
AzureIoTClient 28:add19eb7defa 1307 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1308 }
AzureIoTClient 28:add19eb7defa 1309 else
AzureIoTClient 28:add19eb7defa 1310 {
AzureIoTClient 28:add19eb7defa 1311 result = 0;
AzureIoTClient 28:add19eb7defa 1312 }
Azure.IoT Build 0:6ae2f7bca550 1313
AzureIoTClient 28:add19eb7defa 1314 amqpvalue_destroy(attach_performative_value);
AzureIoTClient 28:add19eb7defa 1315 }
AzureIoTClient 28:add19eb7defa 1316 }
AzureIoTClient 28:add19eb7defa 1317 }
Azure.IoT Build 0:6ae2f7bca550 1318
AzureIoTClient 28:add19eb7defa 1319 return result;
Azure.IoT Build 0:6ae2f7bca550 1320 }
Azure.IoT Build 0:6ae2f7bca550 1321
Azure.IoT Build 0:6ae2f7bca550 1322 int session_send_disposition(LINK_ENDPOINT_HANDLE link_endpoint, DISPOSITION_HANDLE disposition)
Azure.IoT Build 0:6ae2f7bca550 1323 {
AzureIoTClient 28:add19eb7defa 1324 int result;
Azure.IoT Build 0:6ae2f7bca550 1325
AzureIoTClient 28:add19eb7defa 1326 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1327 (disposition == NULL))
AzureIoTClient 28:add19eb7defa 1328 {
AzureIoTClient 28:add19eb7defa 1329 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1330 }
AzureIoTClient 28:add19eb7defa 1331 else
AzureIoTClient 28:add19eb7defa 1332 {
AzureIoTClient 28:add19eb7defa 1333 AMQP_VALUE disposition_performative_value = amqpvalue_create_disposition(disposition);
AzureIoTClient 28:add19eb7defa 1334 if (disposition_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1335 {
AzureIoTClient 28:add19eb7defa 1336 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1337 }
AzureIoTClient 28:add19eb7defa 1338 else
AzureIoTClient 28:add19eb7defa 1339 {
AzureIoTClient 28:add19eb7defa 1340 if (encode_frame(link_endpoint, disposition_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1341 {
AzureIoTClient 28:add19eb7defa 1342 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1343 }
AzureIoTClient 28:add19eb7defa 1344 else
AzureIoTClient 28:add19eb7defa 1345 {
AzureIoTClient 28:add19eb7defa 1346 result = 0;
AzureIoTClient 28:add19eb7defa 1347 }
Azure.IoT Build 0:6ae2f7bca550 1348
AzureIoTClient 28:add19eb7defa 1349 amqpvalue_destroy(disposition_performative_value);
AzureIoTClient 28:add19eb7defa 1350 }
AzureIoTClient 28:add19eb7defa 1351 }
Azure.IoT Build 0:6ae2f7bca550 1352
AzureIoTClient 28:add19eb7defa 1353 return result;
Azure.IoT Build 0:6ae2f7bca550 1354 }
Azure.IoT Build 0:6ae2f7bca550 1355
Azure.IoT Build 0:6ae2f7bca550 1356 int session_send_detach(LINK_ENDPOINT_HANDLE link_endpoint, DETACH_HANDLE detach)
Azure.IoT Build 0:6ae2f7bca550 1357 {
AzureIoTClient 28:add19eb7defa 1358 int result;
Azure.IoT Build 0:6ae2f7bca550 1359
AzureIoTClient 28:add19eb7defa 1360 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1361 (detach == NULL))
AzureIoTClient 28:add19eb7defa 1362 {
AzureIoTClient 28:add19eb7defa 1363 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1364 }
AzureIoTClient 28:add19eb7defa 1365 else
AzureIoTClient 28:add19eb7defa 1366 {
AzureIoTClient 28:add19eb7defa 1367 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 1368
AzureIoTClient 28:add19eb7defa 1369 if (detach_set_handle(detach, link_endpoint_instance->output_handle) != 0)
AzureIoTClient 28:add19eb7defa 1370 {
AzureIoTClient 28:add19eb7defa 1371 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1372 }
AzureIoTClient 28:add19eb7defa 1373 else
AzureIoTClient 28:add19eb7defa 1374 {
AzureIoTClient 28:add19eb7defa 1375 AMQP_VALUE detach_performative_value = amqpvalue_create_detach(detach);
AzureIoTClient 28:add19eb7defa 1376 if (detach_performative_value == NULL)
AzureIoTClient 28:add19eb7defa 1377 {
AzureIoTClient 28:add19eb7defa 1378 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1379 }
AzureIoTClient 28:add19eb7defa 1380 else
AzureIoTClient 28:add19eb7defa 1381 {
AzureIoTClient 28:add19eb7defa 1382 if (encode_frame(link_endpoint, detach_performative_value, NULL, 0) != 0)
AzureIoTClient 28:add19eb7defa 1383 {
AzureIoTClient 28:add19eb7defa 1384 result = __FAILURE__;
AzureIoTClient 28:add19eb7defa 1385 }
AzureIoTClient 28:add19eb7defa 1386 else
AzureIoTClient 28:add19eb7defa 1387 {
AzureIoTClient 28:add19eb7defa 1388 result = 0;
AzureIoTClient 28:add19eb7defa 1389 }
Azure.IoT Build 0:6ae2f7bca550 1390
AzureIoTClient 28:add19eb7defa 1391 amqpvalue_destroy(detach_performative_value);
AzureIoTClient 28:add19eb7defa 1392 }
AzureIoTClient 28:add19eb7defa 1393 }
AzureIoTClient 28:add19eb7defa 1394 }
Azure.IoT Build 0:6ae2f7bca550 1395
AzureIoTClient 28:add19eb7defa 1396 return result;
Azure.IoT Build 0:6ae2f7bca550 1397 }
Azure.IoT Build 0:6ae2f7bca550 1398
AzureIoTClient 43:4c1e4e94cdd3 1399 /* Codes_S_R_S_SESSION_01_051: [session_send_transfer shall send a transfer frame with the performative indicated in the transfer argument.] */
Azure.IoT Build 0:6ae2f7bca550 1400 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 1401 {
AzureIoTClient 28:add19eb7defa 1402 SESSION_SEND_TRANSFER_RESULT result;
Azure.IoT Build 0:6ae2f7bca550 1403
AzureIoTClient 43:4c1e4e94cdd3 1404 /* Codes_S_R_S_SESSION_01_054: [If link_endpoint or transfer is NULL, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 28:add19eb7defa 1405 if ((link_endpoint == NULL) ||
AzureIoTClient 28:add19eb7defa 1406 (transfer == NULL))
AzureIoTClient 28:add19eb7defa 1407 {
AzureIoTClient 28:add19eb7defa 1408 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 28:add19eb7defa 1409 }
AzureIoTClient 28:add19eb7defa 1410 else
AzureIoTClient 28:add19eb7defa 1411 {
AzureIoTClient 28:add19eb7defa 1412 LINK_ENDPOINT_INSTANCE* link_endpoint_instance = (LINK_ENDPOINT_INSTANCE*)link_endpoint;
AzureIoTClient 28:add19eb7defa 1413 SESSION_INSTANCE* session_instance = (SESSION_INSTANCE*)link_endpoint_instance->session;
Azure.IoT Build 0:6ae2f7bca550 1414
AzureIoTClient 43:4c1e4e94cdd3 1415 /* Codes_S_R_S_SESSION_01_059: [When session_send_transfer is called while the session is not in the MAPPED state, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 28:add19eb7defa 1416 if (session_instance->session_state != SESSION_STATE_MAPPED)
AzureIoTClient 28:add19eb7defa 1417 {
AzureIoTClient 28:add19eb7defa 1418 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 28:add19eb7defa 1419 }
AzureIoTClient 28:add19eb7defa 1420 else
AzureIoTClient 28:add19eb7defa 1421 {
AzureIoTClient 28:add19eb7defa 1422 size_t payload_size = 0;
AzureIoTClient 28:add19eb7defa 1423 size_t i;
Azure.IoT Build 0:6ae2f7bca550 1424
AzureIoTClient 28:add19eb7defa 1425 for (i = 0; i < payload_count; i++)
AzureIoTClient 28:add19eb7defa 1426 {
AzureIoTClient 6:641a9672db08 1427 if ((payloads[i].length > UINT32_MAX) ||
AzureIoTClient 6:641a9672db08 1428 (payload_size + payloads[i].length < payload_size))
AzureIoTClient 6:641a9672db08 1429 {
AzureIoTClient 6:641a9672db08 1430 break;
AzureIoTClient 6:641a9672db08 1431 }
AzureIoTClient 6:641a9672db08 1432
AzureIoTClient 6:641a9672db08 1433 payload_size += payloads[i].length;
AzureIoTClient 6:641a9672db08 1434 }
Azure.IoT Build 0:6ae2f7bca550 1435
AzureIoTClient 6:641a9672db08 1436 if ((i < payload_count) ||
AzureIoTClient 6:641a9672db08 1437 (payload_size > UINT32_MAX))
AzureIoTClient 6:641a9672db08 1438 {
AzureIoTClient 6:641a9672db08 1439 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1440 }
AzureIoTClient 6:641a9672db08 1441 else
AzureIoTClient 6:641a9672db08 1442 {
AzureIoTClient 6:641a9672db08 1443 if (session_instance->remote_incoming_window == 0)
AzureIoTClient 6:641a9672db08 1444 {
AzureIoTClient 6:641a9672db08 1445 result = SESSION_SEND_TRANSFER_BUSY;
AzureIoTClient 6:641a9672db08 1446 }
AzureIoTClient 6:641a9672db08 1447 else
AzureIoTClient 6:641a9672db08 1448 {
AzureIoTClient 43:4c1e4e94cdd3 1449 /* Codes_S_R_S_SESSION_01_012: [The session endpoint assigns each outgoing transfer frame an implicit transfer-id from a session scoped sequence.] */
AzureIoTClient 43:4c1e4e94cdd3 1450 /* Codes_S_R_S_SESSION_01_027: [sending a transfer Upon sending a transfer, the sending endpoint will increment its next-outgoing-id] */
AzureIoTClient 6:641a9672db08 1451 *delivery_id = session_instance->next_outgoing_id;
AzureIoTClient 6:641a9672db08 1452 if ((transfer_set_handle(transfer, link_endpoint_instance->output_handle) != 0) ||
AzureIoTClient 6:641a9672db08 1453 (transfer_set_delivery_id(transfer, *delivery_id) != 0) ||
AzureIoTClient 6:641a9672db08 1454 (transfer_set_more(transfer, false) != 0))
AzureIoTClient 6:641a9672db08 1455 {
AzureIoTClient 43:4c1e4e94cdd3 1456 /* Codes_S_R_S_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1457 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1458 }
AzureIoTClient 6:641a9672db08 1459 else
AzureIoTClient 6:641a9672db08 1460 {
AzureIoTClient 6:641a9672db08 1461 AMQP_VALUE transfer_value;
Azure.IoT Build 0:6ae2f7bca550 1462
AzureIoTClient 6:641a9672db08 1463 transfer_value = amqpvalue_create_transfer(transfer);
AzureIoTClient 6:641a9672db08 1464 if (transfer_value == NULL)
AzureIoTClient 6:641a9672db08 1465 {
AzureIoTClient 43:4c1e4e94cdd3 1466 /* Codes_S_R_S_SESSION_01_058: [When any other error occurs, session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1467 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1468 }
AzureIoTClient 6:641a9672db08 1469 else
AzureIoTClient 6:641a9672db08 1470 {
AzureIoTClient 6:641a9672db08 1471 uint32_t available_frame_size;
AzureIoTClient 6:641a9672db08 1472 size_t encoded_size;
Azure.IoT Build 0:6ae2f7bca550 1473
AzureIoTClient 6:641a9672db08 1474 if ((connection_get_remote_max_frame_size(session_instance->connection, &available_frame_size) != 0) ||
AzureIoTClient 6:641a9672db08 1475 (amqpvalue_get_encoded_size(transfer_value, &encoded_size) != 0))
AzureIoTClient 6:641a9672db08 1476 {
AzureIoTClient 6:641a9672db08 1477 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1478 }
AzureIoTClient 6:641a9672db08 1479 else
AzureIoTClient 6:641a9672db08 1480 {
AzureIoTClient 6:641a9672db08 1481 payload_size = 0;
Azure.IoT Build 0:6ae2f7bca550 1482
AzureIoTClient 6:641a9672db08 1483 for (i = 0; i < payload_count; i++)
AzureIoTClient 6:641a9672db08 1484 {
AzureIoTClient 6:641a9672db08 1485 payload_size += payloads[i].length;
AzureIoTClient 6:641a9672db08 1486 }
AzureIoTClient 6:641a9672db08 1487
AzureIoTClient 6:641a9672db08 1488 available_frame_size -= (uint32_t)encoded_size;
AzureIoTClient 6:641a9672db08 1489 available_frame_size -= 8;
Azure.IoT Build 0:6ae2f7bca550 1490
AzureIoTClient 6:641a9672db08 1491 if (available_frame_size >= payload_size)
AzureIoTClient 6:641a9672db08 1492 {
AzureIoTClient 43:4c1e4e94cdd3 1493 /* Codes_S_R_S_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 1494 if (connection_encode_frame(session_instance->endpoint, transfer_value, payloads, payload_count, on_send_complete, callback_context) != 0)
AzureIoTClient 6:641a9672db08 1495 {
AzureIoTClient 43:4c1e4e94cdd3 1496 /* Codes_S_R_S_SESSION_01_056: [If connection_encode_frame fails then session_send_transfer shall fail and return a non-zero value.] */
AzureIoTClient 6:641a9672db08 1497 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1498 }
AzureIoTClient 6:641a9672db08 1499 else
AzureIoTClient 6:641a9672db08 1500 {
AzureIoTClient 43:4c1e4e94cdd3 1501 /* Codes_S_R_S_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
AzureIoTClient 6:641a9672db08 1502 session_instance->next_outgoing_id++;
AzureIoTClient 6:641a9672db08 1503 session_instance->remote_incoming_window--;
AzureIoTClient 6:641a9672db08 1504 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1505
AzureIoTClient 43:4c1e4e94cdd3 1506 /* Codes_S_R_S_SESSION_01_053: [On success, session_send_transfer shall return 0.] */
AzureIoTClient 6:641a9672db08 1507 result = SESSION_SEND_TRANSFER_OK;
AzureIoTClient 6:641a9672db08 1508 }
AzureIoTClient 6:641a9672db08 1509 }
AzureIoTClient 6:641a9672db08 1510 else
AzureIoTClient 6:641a9672db08 1511 {
AzureIoTClient 6:641a9672db08 1512 size_t current_payload_index = 0;
AzureIoTClient 6:641a9672db08 1513 uint32_t current_payload_pos = 0;
Azure.IoT Build 0:6ae2f7bca550 1514
AzureIoTClient 6:641a9672db08 1515 /* break it down into different deliveries */
AzureIoTClient 6:641a9672db08 1516 while (payload_size > 0)
AzureIoTClient 6:641a9672db08 1517 {
AzureIoTClient 6:641a9672db08 1518 uint32_t transfer_frame_payload_count = 0;
AzureIoTClient 6:641a9672db08 1519 uint32_t current_transfer_frame_payload_size = (uint32_t)payload_size;
AzureIoTClient 6:641a9672db08 1520 uint32_t byte_counter;
AzureIoTClient 6:641a9672db08 1521 size_t temp_current_payload_index = current_payload_index;
AzureIoTClient 6:641a9672db08 1522 uint32_t temp_current_payload_pos = current_payload_pos;
AzureIoTClient 6:641a9672db08 1523 AMQP_VALUE multi_transfer_amqp_value;
AzureIoTClient 28:add19eb7defa 1524 PAYLOAD* transfer_frame_payloads;
AzureIoTClient 6:641a9672db08 1525 bool more;
AzureIoTClient 6:641a9672db08 1526
AzureIoTClient 6:641a9672db08 1527 if (current_transfer_frame_payload_size > available_frame_size)
AzureIoTClient 6:641a9672db08 1528 {
AzureIoTClient 6:641a9672db08 1529 current_transfer_frame_payload_size = available_frame_size;
AzureIoTClient 6:641a9672db08 1530 }
Azure.IoT Build 0:6ae2f7bca550 1531
AzureIoTClient 6:641a9672db08 1532 if (available_frame_size >= payload_size)
AzureIoTClient 6:641a9672db08 1533 {
AzureIoTClient 6:641a9672db08 1534 more = false;
AzureIoTClient 6:641a9672db08 1535 }
AzureIoTClient 6:641a9672db08 1536 else
AzureIoTClient 6:641a9672db08 1537 {
AzureIoTClient 6:641a9672db08 1538 more = true;
AzureIoTClient 6:641a9672db08 1539 }
Azure.IoT Build 0:6ae2f7bca550 1540
AzureIoTClient 6:641a9672db08 1541 if (transfer_set_more(transfer, more) != 0)
AzureIoTClient 6:641a9672db08 1542 {
AzureIoTClient 6:641a9672db08 1543 break;
AzureIoTClient 6:641a9672db08 1544 }
Azure.IoT Build 0:6ae2f7bca550 1545
AzureIoTClient 6:641a9672db08 1546 multi_transfer_amqp_value = amqpvalue_create_transfer(transfer);
AzureIoTClient 6:641a9672db08 1547 if (multi_transfer_amqp_value == NULL)
AzureIoTClient 6:641a9672db08 1548 {
AzureIoTClient 6:641a9672db08 1549 break;
AzureIoTClient 6:641a9672db08 1550 }
Azure.IoT Build 0:6ae2f7bca550 1551
AzureIoTClient 6:641a9672db08 1552 byte_counter = current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1553 while (byte_counter > 0)
AzureIoTClient 6:641a9672db08 1554 {
AzureIoTClient 6:641a9672db08 1555 if (payloads[temp_current_payload_index].length - temp_current_payload_pos >= byte_counter)
AzureIoTClient 6:641a9672db08 1556 {
AzureIoTClient 6:641a9672db08 1557 /* more data than we need */
AzureIoTClient 6:641a9672db08 1558 temp_current_payload_pos += byte_counter;
AzureIoTClient 6:641a9672db08 1559 byte_counter = 0;
AzureIoTClient 6:641a9672db08 1560 }
AzureIoTClient 6:641a9672db08 1561 else
AzureIoTClient 6:641a9672db08 1562 {
AzureIoTClient 6:641a9672db08 1563 byte_counter -= (uint32_t)payloads[temp_current_payload_index].length - temp_current_payload_pos;
AzureIoTClient 6:641a9672db08 1564 temp_current_payload_index++;
AzureIoTClient 6:641a9672db08 1565 temp_current_payload_pos = 0;
AzureIoTClient 6:641a9672db08 1566 }
AzureIoTClient 6:641a9672db08 1567 }
Azure.IoT Build 0:6ae2f7bca550 1568
AzureIoTClient 6:641a9672db08 1569 transfer_frame_payload_count = (uint32_t)(temp_current_payload_index - current_payload_index + 1);
AzureIoTClient 25:1101516ee67d 1570 transfer_frame_payloads = (PAYLOAD*)malloc(transfer_frame_payload_count * sizeof(PAYLOAD));
AzureIoTClient 6:641a9672db08 1571 if (transfer_frame_payloads == NULL)
AzureIoTClient 6:641a9672db08 1572 {
AzureIoTClient 6:641a9672db08 1573 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1574 break;
AzureIoTClient 6:641a9672db08 1575 }
Azure.IoT Build 0:6ae2f7bca550 1576
AzureIoTClient 6:641a9672db08 1577 /* copy data */
AzureIoTClient 6:641a9672db08 1578 byte_counter = current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1579 transfer_frame_payload_count = 0;
Azure.IoT Build 0:6ae2f7bca550 1580
AzureIoTClient 6:641a9672db08 1581 while (byte_counter > 0)
AzureIoTClient 6:641a9672db08 1582 {
AzureIoTClient 6:641a9672db08 1583 if (payloads[current_payload_index].length - current_payload_pos > byte_counter)
AzureIoTClient 6:641a9672db08 1584 {
AzureIoTClient 6:641a9672db08 1585 /* more data than we need */
AzureIoTClient 6:641a9672db08 1586 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
AzureIoTClient 6:641a9672db08 1587 transfer_frame_payloads[transfer_frame_payload_count].length = byte_counter;
AzureIoTClient 6:641a9672db08 1588 current_payload_pos += byte_counter;
AzureIoTClient 6:641a9672db08 1589 byte_counter = 0;
AzureIoTClient 6:641a9672db08 1590 }
AzureIoTClient 6:641a9672db08 1591 else
AzureIoTClient 6:641a9672db08 1592 {
AzureIoTClient 6:641a9672db08 1593 /* copy entire payload and move to the next */
AzureIoTClient 6:641a9672db08 1594 transfer_frame_payloads[transfer_frame_payload_count].bytes = payloads[current_payload_index].bytes + current_payload_pos;
AzureIoTClient 6:641a9672db08 1595 transfer_frame_payloads[transfer_frame_payload_count].length = payloads[current_payload_index].length - current_payload_pos;
AzureIoTClient 6:641a9672db08 1596 byte_counter -= (uint32_t)payloads[current_payload_index].length - current_payload_pos;
AzureIoTClient 6:641a9672db08 1597 current_payload_index++;
AzureIoTClient 6:641a9672db08 1598 current_payload_pos = 0;
AzureIoTClient 6:641a9672db08 1599 }
Azure.IoT Build 0:6ae2f7bca550 1600
AzureIoTClient 6:641a9672db08 1601 transfer_frame_payload_count++;
AzureIoTClient 6:641a9672db08 1602 }
Azure.IoT Build 0:6ae2f7bca550 1603
AzureIoTClient 6:641a9672db08 1604 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 1605 {
AzureIoTClient 21:f9c433d8e6ca 1606 free(transfer_frame_payloads);
AzureIoTClient 6:641a9672db08 1607 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1608 break;
AzureIoTClient 6:641a9672db08 1609 }
Azure.IoT Build 0:6ae2f7bca550 1610
AzureIoTClient 21:f9c433d8e6ca 1611 free(transfer_frame_payloads);
AzureIoTClient 6:641a9672db08 1612 amqpvalue_destroy(multi_transfer_amqp_value);
AzureIoTClient 6:641a9672db08 1613 payload_size -= current_transfer_frame_payload_size;
AzureIoTClient 6:641a9672db08 1614 }
Azure.IoT Build 0:6ae2f7bca550 1615
AzureIoTClient 6:641a9672db08 1616 if (payload_size > 0)
AzureIoTClient 6:641a9672db08 1617 {
AzureIoTClient 6:641a9672db08 1618 result = SESSION_SEND_TRANSFER_ERROR;
AzureIoTClient 6:641a9672db08 1619 }
AzureIoTClient 6:641a9672db08 1620 else
AzureIoTClient 6:641a9672db08 1621 {
AzureIoTClient 43:4c1e4e94cdd3 1622 /* Codes_S_R_S_SESSION_01_018: [is incremented after each successive transfer according to RFC-1982 [RFC1982] serial number arithmetic.] */
AzureIoTClient 6:641a9672db08 1623 session_instance->next_outgoing_id++;
AzureIoTClient 6:641a9672db08 1624 session_instance->remote_incoming_window--;
AzureIoTClient 6:641a9672db08 1625 session_instance->outgoing_window--;
Azure.IoT Build 0:6ae2f7bca550 1626
AzureIoTClient 6:641a9672db08 1627 result = SESSION_SEND_TRANSFER_OK;
AzureIoTClient 6:641a9672db08 1628 }
AzureIoTClient 6:641a9672db08 1629 }
AzureIoTClient 6:641a9672db08 1630 }
Azure.IoT Build 0:6ae2f7bca550 1631
AzureIoTClient 6:641a9672db08 1632 amqpvalue_destroy(transfer_value);
AzureIoTClient 6:641a9672db08 1633 }
AzureIoTClient 6:641a9672db08 1634 }
AzureIoTClient 6:641a9672db08 1635 }
AzureIoTClient 6:641a9672db08 1636 }
AzureIoTClient 28:add19eb7defa 1637 }
AzureIoTClient 28:add19eb7defa 1638 }
Azure.IoT Build 0:6ae2f7bca550 1639
AzureIoTClient 28:add19eb7defa 1640 return result;
Azure.IoT Build 0:6ae2f7bca550 1641 }