Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

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

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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #ifdef _CRTDBG_MAP_ALLOC
Azure.IoT Build 0:6ae2f7bca550 6 #include <crtdbg.h>
Azure.IoT Build 0:6ae2f7bca550 7 #endif
Azure.IoT Build 0:6ae2f7bca550 8 #include <string.h>
Azure.IoT Build 0:6ae2f7bca550 9 #include <stdint.h>
Azure.IoT Build 0:6ae2f7bca550 10 #include <stdbool.h>
Azure.IoT Build 0:6ae2f7bca550 11 #include "azure_uamqp_c/link.h"
Azure.IoT Build 0:6ae2f7bca550 12 #include "azure_uamqp_c/session.h"
Azure.IoT Build 0:6ae2f7bca550 13 #include "azure_uamqp_c/amqpvalue.h"
Azure.IoT Build 0:6ae2f7bca550 14 #include "azure_uamqp_c/amqp_definitions.h"
Azure.IoT Build 0:6ae2f7bca550 15 #include "azure_uamqp_c/amqpalloc.h"
Azure.IoT Build 0:6ae2f7bca550 16 #include "azure_uamqp_c/amqp_frame_codec.h"
Azure.IoT Build 0:6ae2f7bca550 17 #include "azure_uamqp_c/consolelogger.h"
Azure.IoT Build 0:6ae2f7bca550 18 #include "azure_c_shared_utility/xlogging.h"
Azure.IoT Build 0:6ae2f7bca550 19 #include "azure_c_shared_utility/list.h"
Azure.IoT Build 0:6ae2f7bca550 20
Azure.IoT Build 0:6ae2f7bca550 21 #define DEFAULT_LINK_CREDIT 10000
Azure.IoT Build 0:6ae2f7bca550 22
Azure.IoT Build 0:6ae2f7bca550 23 typedef struct DELIVERY_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 24 {
Azure.IoT Build 0:6ae2f7bca550 25 delivery_number delivery_id;
Azure.IoT Build 0:6ae2f7bca550 26 ON_DELIVERY_SETTLED on_delivery_settled;
Azure.IoT Build 0:6ae2f7bca550 27 void* callback_context;
Azure.IoT Build 0:6ae2f7bca550 28 void* link;
Azure.IoT Build 0:6ae2f7bca550 29 } DELIVERY_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 30
Azure.IoT Build 0:6ae2f7bca550 31 typedef struct LINK_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 32 {
Azure.IoT Build 0:6ae2f7bca550 33 SESSION_HANDLE session;
Azure.IoT Build 0:6ae2f7bca550 34 LINK_STATE link_state;
Azure.IoT Build 0:6ae2f7bca550 35 LINK_STATE previous_link_state;
Azure.IoT Build 0:6ae2f7bca550 36 AMQP_VALUE source;
Azure.IoT Build 0:6ae2f7bca550 37 AMQP_VALUE target;
Azure.IoT Build 0:6ae2f7bca550 38 handle handle;
Azure.IoT Build 0:6ae2f7bca550 39 LINK_ENDPOINT_HANDLE link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 40 char* name;
Azure.IoT Build 0:6ae2f7bca550 41 LIST_HANDLE pending_deliveries;
Azure.IoT Build 0:6ae2f7bca550 42 sequence_no delivery_count;
Azure.IoT Build 0:6ae2f7bca550 43 role role;
Azure.IoT Build 0:6ae2f7bca550 44 ON_LINK_STATE_CHANGED on_link_state_changed;
Azure.IoT Build 0:6ae2f7bca550 45 ON_LINK_FLOW_ON on_link_flow_on;
Azure.IoT Build 0:6ae2f7bca550 46 ON_TRANSFER_RECEIVED on_transfer_received;
Azure.IoT Build 0:6ae2f7bca550 47 void* callback_context;
Azure.IoT Build 0:6ae2f7bca550 48 sender_settle_mode snd_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 49 receiver_settle_mode rcv_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 50 sequence_no initial_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 51 uint64_t max_message_size;
Azure.IoT Build 0:6ae2f7bca550 52 uint32_t link_credit;
Azure.IoT Build 0:6ae2f7bca550 53 uint32_t available;
Azure.IoT Build 0:6ae2f7bca550 54 fields attach_properties;
Azure.IoT Build 0:6ae2f7bca550 55 unsigned char is_underlying_session_begun : 1;
Azure.IoT Build 0:6ae2f7bca550 56 } LINK_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 57
Azure.IoT Build 0:6ae2f7bca550 58 static void set_link_state(LINK_INSTANCE* link_instance, LINK_STATE link_state)
Azure.IoT Build 0:6ae2f7bca550 59 {
Azure.IoT Build 0:6ae2f7bca550 60 link_instance->previous_link_state = link_instance->link_state;
Azure.IoT Build 0:6ae2f7bca550 61 link_instance->link_state = link_state;
Azure.IoT Build 0:6ae2f7bca550 62
Azure.IoT Build 0:6ae2f7bca550 63 if (link_instance->on_link_state_changed != NULL)
Azure.IoT Build 0:6ae2f7bca550 64 {
Azure.IoT Build 0:6ae2f7bca550 65 link_instance->on_link_state_changed(link_instance->callback_context, link_state, link_instance->previous_link_state);
Azure.IoT Build 0:6ae2f7bca550 66 }
Azure.IoT Build 0:6ae2f7bca550 67 }
Azure.IoT Build 0:6ae2f7bca550 68
Azure.IoT Build 0:6ae2f7bca550 69 static int send_flow(LINK_INSTANCE* link)
Azure.IoT Build 0:6ae2f7bca550 70 {
Azure.IoT Build 0:6ae2f7bca550 71 int result;
Azure.IoT Build 0:6ae2f7bca550 72 FLOW_HANDLE flow = flow_create(0, 0, 0);
Azure.IoT Build 0:6ae2f7bca550 73
Azure.IoT Build 0:6ae2f7bca550 74 if (flow == NULL)
Azure.IoT Build 0:6ae2f7bca550 75 {
Azure.IoT Build 0:6ae2f7bca550 76 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 77 }
Azure.IoT Build 0:6ae2f7bca550 78 else
Azure.IoT Build 0:6ae2f7bca550 79 {
Azure.IoT Build 0:6ae2f7bca550 80 if ((flow_set_link_credit(flow, link->link_credit) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 81 (flow_set_handle(flow, link->handle) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 82 (flow_set_delivery_count(flow, link->delivery_count) != 0))
Azure.IoT Build 0:6ae2f7bca550 83 {
Azure.IoT Build 0:6ae2f7bca550 84 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 85 }
Azure.IoT Build 0:6ae2f7bca550 86 else
Azure.IoT Build 0:6ae2f7bca550 87 {
Azure.IoT Build 0:6ae2f7bca550 88 if (session_send_flow(link->link_endpoint, flow) != 0)
Azure.IoT Build 0:6ae2f7bca550 89 {
Azure.IoT Build 0:6ae2f7bca550 90 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 91 }
Azure.IoT Build 0:6ae2f7bca550 92 else
Azure.IoT Build 0:6ae2f7bca550 93 {
Azure.IoT Build 0:6ae2f7bca550 94 result = 0;
Azure.IoT Build 0:6ae2f7bca550 95 }
Azure.IoT Build 0:6ae2f7bca550 96 }
Azure.IoT Build 0:6ae2f7bca550 97
Azure.IoT Build 0:6ae2f7bca550 98 flow_destroy(flow);
Azure.IoT Build 0:6ae2f7bca550 99 }
Azure.IoT Build 0:6ae2f7bca550 100
Azure.IoT Build 0:6ae2f7bca550 101 return result;
Azure.IoT Build 0:6ae2f7bca550 102 }
Azure.IoT Build 0:6ae2f7bca550 103
Azure.IoT Build 0:6ae2f7bca550 104 static int send_disposition(LINK_INSTANCE* link_instance, delivery_number delivery_number, AMQP_VALUE delivery_state)
Azure.IoT Build 0:6ae2f7bca550 105 {
Azure.IoT Build 0:6ae2f7bca550 106 int result;
Azure.IoT Build 0:6ae2f7bca550 107
Azure.IoT Build 0:6ae2f7bca550 108 DISPOSITION_HANDLE disposition = disposition_create(link_instance->role, delivery_number);
Azure.IoT Build 0:6ae2f7bca550 109 if (disposition == NULL)
Azure.IoT Build 0:6ae2f7bca550 110 {
Azure.IoT Build 0:6ae2f7bca550 111 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 112 }
Azure.IoT Build 0:6ae2f7bca550 113 else
Azure.IoT Build 0:6ae2f7bca550 114 {
Azure.IoT Build 0:6ae2f7bca550 115 if ((disposition_set_last(disposition, delivery_number) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 116 (disposition_set_settled(disposition, true) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 117 ((delivery_state != NULL) && (disposition_set_state(disposition, delivery_state) != 0)))
Azure.IoT Build 0:6ae2f7bca550 118 {
Azure.IoT Build 0:6ae2f7bca550 119 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 120 }
Azure.IoT Build 0:6ae2f7bca550 121 else
Azure.IoT Build 0:6ae2f7bca550 122 {
Azure.IoT Build 0:6ae2f7bca550 123 if (session_send_disposition(link_instance->link_endpoint, disposition) != 0)
Azure.IoT Build 0:6ae2f7bca550 124 {
Azure.IoT Build 0:6ae2f7bca550 125 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 126 }
Azure.IoT Build 0:6ae2f7bca550 127 else
Azure.IoT Build 0:6ae2f7bca550 128 {
Azure.IoT Build 0:6ae2f7bca550 129 result = 0;
Azure.IoT Build 0:6ae2f7bca550 130 }
Azure.IoT Build 0:6ae2f7bca550 131 }
Azure.IoT Build 0:6ae2f7bca550 132
Azure.IoT Build 0:6ae2f7bca550 133 disposition_destroy(disposition);
Azure.IoT Build 0:6ae2f7bca550 134 }
Azure.IoT Build 0:6ae2f7bca550 135
Azure.IoT Build 0:6ae2f7bca550 136 return result;
Azure.IoT Build 0:6ae2f7bca550 137 }
Azure.IoT Build 0:6ae2f7bca550 138
Azure.IoT Build 0:6ae2f7bca550 139 static int send_detach_frame(LINK_INSTANCE* link_instance, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 140 {
Azure.IoT Build 0:6ae2f7bca550 141 int result;
Azure.IoT Build 0:6ae2f7bca550 142 DETACH_HANDLE detach_performative;
Azure.IoT Build 0:6ae2f7bca550 143
Azure.IoT Build 0:6ae2f7bca550 144 detach_performative = detach_create(0);
Azure.IoT Build 0:6ae2f7bca550 145 if (detach_performative == NULL)
Azure.IoT Build 0:6ae2f7bca550 146 {
Azure.IoT Build 0:6ae2f7bca550 147 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 148 }
Azure.IoT Build 0:6ae2f7bca550 149 else
Azure.IoT Build 0:6ae2f7bca550 150 {
Azure.IoT Build 0:6ae2f7bca550 151 if ((error_handle != NULL) &&
Azure.IoT Build 0:6ae2f7bca550 152 (detach_set_error(detach_performative, error_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 153 {
Azure.IoT Build 0:6ae2f7bca550 154 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 155 }
Azure.IoT Build 0:6ae2f7bca550 156 else
Azure.IoT Build 0:6ae2f7bca550 157 {
Azure.IoT Build 0:6ae2f7bca550 158 if (session_send_detach(link_instance->link_endpoint, detach_performative) != 0)
Azure.IoT Build 0:6ae2f7bca550 159 {
Azure.IoT Build 0:6ae2f7bca550 160 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 161 }
Azure.IoT Build 0:6ae2f7bca550 162 else
Azure.IoT Build 0:6ae2f7bca550 163 {
Azure.IoT Build 0:6ae2f7bca550 164 result = 0;
Azure.IoT Build 0:6ae2f7bca550 165 }
Azure.IoT Build 0:6ae2f7bca550 166 }
Azure.IoT Build 0:6ae2f7bca550 167
Azure.IoT Build 0:6ae2f7bca550 168 detach_destroy(detach_performative);
Azure.IoT Build 0:6ae2f7bca550 169 }
Azure.IoT Build 0:6ae2f7bca550 170
Azure.IoT Build 0:6ae2f7bca550 171 return result;
Azure.IoT Build 0:6ae2f7bca550 172 }
Azure.IoT Build 0:6ae2f7bca550 173
Azure.IoT Build 0:6ae2f7bca550 174 static void link_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes)
Azure.IoT Build 0:6ae2f7bca550 175 {
Azure.IoT Build 0:6ae2f7bca550 176 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 177 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
Azure.IoT Build 0:6ae2f7bca550 178
Azure.IoT Build 0:6ae2f7bca550 179 if (is_attach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 180 {
Azure.IoT Build 0:6ae2f7bca550 181 ATTACH_HANDLE attach_handle;
Azure.IoT Build 0:6ae2f7bca550 182 if (amqpvalue_get_attach(performative, &attach_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 183 {
Azure.IoT Build 0:6ae2f7bca550 184 if ((link_instance->role == role_receiver) &&
Azure.IoT Build 0:6ae2f7bca550 185 (attach_get_initial_delivery_count(attach_handle, &link_instance->delivery_count) != 0))
Azure.IoT Build 0:6ae2f7bca550 186 {
Azure.IoT Build 0:6ae2f7bca550 187 /* error */
Azure.IoT Build 0:6ae2f7bca550 188 set_link_state(link_instance, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 189 }
Azure.IoT Build 0:6ae2f7bca550 190 else
Azure.IoT Build 0:6ae2f7bca550 191 {
Azure.IoT Build 0:6ae2f7bca550 192 if (link_instance->link_state == LINK_STATE_HALF_ATTACHED)
Azure.IoT Build 0:6ae2f7bca550 193 {
Azure.IoT Build 0:6ae2f7bca550 194 if (link_instance->role == role_receiver)
Azure.IoT Build 0:6ae2f7bca550 195 {
Azure.IoT Build 0:6ae2f7bca550 196 link_instance->link_credit = DEFAULT_LINK_CREDIT;
Azure.IoT Build 0:6ae2f7bca550 197 send_flow(link_instance);
Azure.IoT Build 0:6ae2f7bca550 198 }
Azure.IoT Build 0:6ae2f7bca550 199 else
Azure.IoT Build 0:6ae2f7bca550 200 {
Azure.IoT Build 0:6ae2f7bca550 201 link_instance->link_credit = 0;
Azure.IoT Build 0:6ae2f7bca550 202 }
Azure.IoT Build 0:6ae2f7bca550 203
Azure.IoT Build 0:6ae2f7bca550 204 set_link_state(link_instance, LINK_STATE_ATTACHED);
Azure.IoT Build 0:6ae2f7bca550 205 }
Azure.IoT Build 0:6ae2f7bca550 206 }
Azure.IoT Build 0:6ae2f7bca550 207
Azure.IoT Build 0:6ae2f7bca550 208 attach_destroy(attach_handle);
Azure.IoT Build 0:6ae2f7bca550 209 }
Azure.IoT Build 0:6ae2f7bca550 210 }
Azure.IoT Build 0:6ae2f7bca550 211 else if (is_flow_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 212 {
Azure.IoT Build 0:6ae2f7bca550 213 FLOW_HANDLE flow_handle;
Azure.IoT Build 0:6ae2f7bca550 214 if (amqpvalue_get_flow(performative, &flow_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 215 {
Azure.IoT Build 0:6ae2f7bca550 216 if (link_instance->role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 217 {
Azure.IoT Build 0:6ae2f7bca550 218 delivery_number rcv_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 219 uint32_t rcv_link_credit;
Azure.IoT Build 0:6ae2f7bca550 220
Azure.IoT Build 0:6ae2f7bca550 221 if ((flow_get_link_credit(flow_handle, &rcv_link_credit) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 222 (flow_get_delivery_count(flow_handle, &rcv_delivery_count) != 0))
Azure.IoT Build 0:6ae2f7bca550 223 {
Azure.IoT Build 0:6ae2f7bca550 224 /* error */
Azure.IoT Build 0:6ae2f7bca550 225 set_link_state(link_instance, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 226 }
Azure.IoT Build 0:6ae2f7bca550 227 else
Azure.IoT Build 0:6ae2f7bca550 228 {
Azure.IoT Build 0:6ae2f7bca550 229 link_instance->link_credit = rcv_delivery_count + rcv_link_credit - link_instance->delivery_count;
Azure.IoT Build 0:6ae2f7bca550 230 if (link_instance->link_credit > 0)
Azure.IoT Build 0:6ae2f7bca550 231 {
Azure.IoT Build 0:6ae2f7bca550 232 link_instance->on_link_flow_on(link_instance->callback_context);
Azure.IoT Build 0:6ae2f7bca550 233 }
Azure.IoT Build 0:6ae2f7bca550 234 }
Azure.IoT Build 0:6ae2f7bca550 235 }
Azure.IoT Build 0:6ae2f7bca550 236 }
Azure.IoT Build 0:6ae2f7bca550 237
Azure.IoT Build 0:6ae2f7bca550 238 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 239 }
Azure.IoT Build 0:6ae2f7bca550 240 else if (is_transfer_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 241 {
Azure.IoT Build 0:6ae2f7bca550 242 if (link_instance->on_transfer_received != NULL)
Azure.IoT Build 0:6ae2f7bca550 243 {
Azure.IoT Build 0:6ae2f7bca550 244 TRANSFER_HANDLE transfer_handle;
Azure.IoT Build 0:6ae2f7bca550 245 if (amqpvalue_get_transfer(performative, &transfer_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 246 {
Azure.IoT Build 0:6ae2f7bca550 247 AMQP_VALUE delivery_state;
Azure.IoT Build 0:6ae2f7bca550 248 delivery_number received_delivery_id;
Azure.IoT Build 0:6ae2f7bca550 249
Azure.IoT Build 0:6ae2f7bca550 250 link_instance->link_credit--;
Azure.IoT Build 0:6ae2f7bca550 251 link_instance->delivery_count++;
Azure.IoT Build 0:6ae2f7bca550 252 if (link_instance->link_credit == 0)
Azure.IoT Build 0:6ae2f7bca550 253 {
Azure.IoT Build 0:6ae2f7bca550 254 link_instance->link_credit = DEFAULT_LINK_CREDIT;
Azure.IoT Build 0:6ae2f7bca550 255 send_flow(link_instance);
Azure.IoT Build 0:6ae2f7bca550 256 }
Azure.IoT Build 0:6ae2f7bca550 257
Azure.IoT Build 0:6ae2f7bca550 258 if (transfer_get_delivery_id(transfer_handle, &received_delivery_id) != 0)
Azure.IoT Build 0:6ae2f7bca550 259 {
Azure.IoT Build 0:6ae2f7bca550 260 /* error */
Azure.IoT Build 0:6ae2f7bca550 261 }
Azure.IoT Build 0:6ae2f7bca550 262 else
Azure.IoT Build 0:6ae2f7bca550 263 {
Azure.IoT Build 0:6ae2f7bca550 264 delivery_state = link_instance->on_transfer_received(link_instance->callback_context, transfer_handle, payload_size, payload_bytes);
Azure.IoT Build 0:6ae2f7bca550 265
Azure.IoT Build 0:6ae2f7bca550 266 if (send_disposition(link_instance, received_delivery_id, delivery_state) != 0)
Azure.IoT Build 0:6ae2f7bca550 267 {
Azure.IoT Build 0:6ae2f7bca550 268 /* error */
Azure.IoT Build 0:6ae2f7bca550 269 }
Azure.IoT Build 0:6ae2f7bca550 270
Azure.IoT Build 0:6ae2f7bca550 271 if (delivery_state != NULL)
Azure.IoT Build 0:6ae2f7bca550 272 {
Azure.IoT Build 0:6ae2f7bca550 273 amqpvalue_destroy(delivery_state);
Azure.IoT Build 0:6ae2f7bca550 274 }
Azure.IoT Build 0:6ae2f7bca550 275 }
Azure.IoT Build 0:6ae2f7bca550 276
Azure.IoT Build 0:6ae2f7bca550 277 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 278 }
Azure.IoT Build 0:6ae2f7bca550 279 }
Azure.IoT Build 0:6ae2f7bca550 280 }
Azure.IoT Build 0:6ae2f7bca550 281 else if (is_disposition_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 282 {
Azure.IoT Build 0:6ae2f7bca550 283 DISPOSITION_HANDLE disposition;
Azure.IoT Build 0:6ae2f7bca550 284 if (amqpvalue_get_disposition(performative, &disposition) != 0)
Azure.IoT Build 0:6ae2f7bca550 285 {
Azure.IoT Build 0:6ae2f7bca550 286 /* error */
Azure.IoT Build 0:6ae2f7bca550 287 }
Azure.IoT Build 0:6ae2f7bca550 288 else
Azure.IoT Build 0:6ae2f7bca550 289 {
Azure.IoT Build 0:6ae2f7bca550 290 delivery_number first;
Azure.IoT Build 0:6ae2f7bca550 291 delivery_number last;
Azure.IoT Build 0:6ae2f7bca550 292
Azure.IoT Build 0:6ae2f7bca550 293 if (disposition_get_first(disposition, &first) != 0)
Azure.IoT Build 0:6ae2f7bca550 294 {
Azure.IoT Build 0:6ae2f7bca550 295 /* error */
Azure.IoT Build 0:6ae2f7bca550 296 }
Azure.IoT Build 0:6ae2f7bca550 297 else
Azure.IoT Build 0:6ae2f7bca550 298 {
Azure.IoT Build 0:6ae2f7bca550 299 bool settled;
Azure.IoT Build 0:6ae2f7bca550 300
Azure.IoT Build 0:6ae2f7bca550 301 if (disposition_get_last(disposition, &last) != 0)
Azure.IoT Build 0:6ae2f7bca550 302 {
Azure.IoT Build 0:6ae2f7bca550 303 last = first;
Azure.IoT Build 0:6ae2f7bca550 304 }
Azure.IoT Build 0:6ae2f7bca550 305
Azure.IoT Build 0:6ae2f7bca550 306 if (disposition_get_settled(disposition, &settled) != 0)
Azure.IoT Build 0:6ae2f7bca550 307 {
Azure.IoT Build 0:6ae2f7bca550 308 /* Error */
Azure.IoT Build 0:6ae2f7bca550 309 settled = false;
Azure.IoT Build 0:6ae2f7bca550 310 }
Azure.IoT Build 0:6ae2f7bca550 311
Azure.IoT Build 0:6ae2f7bca550 312 if (settled)
Azure.IoT Build 0:6ae2f7bca550 313 {
Azure.IoT Build 0:6ae2f7bca550 314 LIST_ITEM_HANDLE pending_delivery = list_get_head_item(link_instance->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 315 while (pending_delivery != NULL)
Azure.IoT Build 0:6ae2f7bca550 316 {
Azure.IoT Build 0:6ae2f7bca550 317 LIST_ITEM_HANDLE next_pending_delivery = list_get_next_item(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 318 DELIVERY_INSTANCE* delivery_instance = (DELIVERY_INSTANCE*)list_item_get_value(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 319 if (delivery_instance == NULL)
Azure.IoT Build 0:6ae2f7bca550 320 {
Azure.IoT Build 0:6ae2f7bca550 321 /* error */
Azure.IoT Build 0:6ae2f7bca550 322 break;
Azure.IoT Build 0:6ae2f7bca550 323 }
Azure.IoT Build 0:6ae2f7bca550 324 else
Azure.IoT Build 0:6ae2f7bca550 325 {
Azure.IoT Build 0:6ae2f7bca550 326 if ((delivery_instance->delivery_id >= first) && (delivery_instance->delivery_id <= last))
Azure.IoT Build 0:6ae2f7bca550 327 {
Azure.IoT Build 0:6ae2f7bca550 328 delivery_instance->on_delivery_settled(delivery_instance->callback_context, delivery_instance->delivery_id);
Azure.IoT Build 0:6ae2f7bca550 329 amqpalloc_free(delivery_instance);
Azure.IoT Build 0:6ae2f7bca550 330 if (list_remove(link_instance->pending_deliveries, pending_delivery) != 0)
Azure.IoT Build 0:6ae2f7bca550 331 {
Azure.IoT Build 0:6ae2f7bca550 332 /* error */
Azure.IoT Build 0:6ae2f7bca550 333 break;
Azure.IoT Build 0:6ae2f7bca550 334 }
Azure.IoT Build 0:6ae2f7bca550 335 else
Azure.IoT Build 0:6ae2f7bca550 336 {
Azure.IoT Build 0:6ae2f7bca550 337 pending_delivery = next_pending_delivery;
Azure.IoT Build 0:6ae2f7bca550 338 }
Azure.IoT Build 0:6ae2f7bca550 339 }
Azure.IoT Build 0:6ae2f7bca550 340 else
Azure.IoT Build 0:6ae2f7bca550 341 {
Azure.IoT Build 0:6ae2f7bca550 342 pending_delivery = next_pending_delivery;
Azure.IoT Build 0:6ae2f7bca550 343 }
Azure.IoT Build 0:6ae2f7bca550 344 }
Azure.IoT Build 0:6ae2f7bca550 345 }
Azure.IoT Build 0:6ae2f7bca550 346 }
Azure.IoT Build 0:6ae2f7bca550 347 }
Azure.IoT Build 0:6ae2f7bca550 348
Azure.IoT Build 0:6ae2f7bca550 349 disposition_destroy(disposition);
Azure.IoT Build 0:6ae2f7bca550 350 }
Azure.IoT Build 0:6ae2f7bca550 351 }
Azure.IoT Build 0:6ae2f7bca550 352 else if (is_detach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 353 {
Azure.IoT Build 0:6ae2f7bca550 354 if (send_detach_frame(link_instance, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 355 {
Azure.IoT Build 0:6ae2f7bca550 356 /* error */
Azure.IoT Build 0:6ae2f7bca550 357 }
Azure.IoT Build 0:6ae2f7bca550 358 }
Azure.IoT Build 0:6ae2f7bca550 359 }
Azure.IoT Build 0:6ae2f7bca550 360
Azure.IoT Build 0:6ae2f7bca550 361 static int send_attach(LINK_INSTANCE* link, const char* name, handle handle, role role)
Azure.IoT Build 0:6ae2f7bca550 362 {
Azure.IoT Build 0:6ae2f7bca550 363 int result;
Azure.IoT Build 0:6ae2f7bca550 364 ATTACH_HANDLE attach = attach_create(name, handle, role);
Azure.IoT Build 0:6ae2f7bca550 365
Azure.IoT Build 0:6ae2f7bca550 366 if (attach == NULL)
Azure.IoT Build 0:6ae2f7bca550 367 {
Azure.IoT Build 0:6ae2f7bca550 368 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 369 }
Azure.IoT Build 0:6ae2f7bca550 370 else
Azure.IoT Build 0:6ae2f7bca550 371 {
Azure.IoT Build 0:6ae2f7bca550 372 result = 0;
Azure.IoT Build 0:6ae2f7bca550 373
Azure.IoT Build 0:6ae2f7bca550 374 link->delivery_count = link->initial_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 375
Azure.IoT Build 0:6ae2f7bca550 376 attach_set_snd_settle_mode(attach, link->snd_settle_mode);
Azure.IoT Build 0:6ae2f7bca550 377 attach_set_rcv_settle_mode(attach, link->rcv_settle_mode);
Azure.IoT Build 0:6ae2f7bca550 378 attach_set_role(attach, role);
Azure.IoT Build 0:6ae2f7bca550 379 attach_set_source(attach, link->source);
Azure.IoT Build 0:6ae2f7bca550 380 attach_set_target(attach, link->target);
Azure.IoT Build 0:6ae2f7bca550 381 attach_set_properties(attach, link->attach_properties);
Azure.IoT Build 0:6ae2f7bca550 382
Azure.IoT Build 0:6ae2f7bca550 383 if (role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 384 {
Azure.IoT Build 0:6ae2f7bca550 385 if (attach_set_initial_delivery_count(attach, link->delivery_count) != 0)
Azure.IoT Build 0:6ae2f7bca550 386 {
Azure.IoT Build 0:6ae2f7bca550 387 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 388 }
Azure.IoT Build 0:6ae2f7bca550 389 }
Azure.IoT Build 0:6ae2f7bca550 390
Azure.IoT Build 0:6ae2f7bca550 391 if (result == 0)
Azure.IoT Build 0:6ae2f7bca550 392 {
Azure.IoT Build 0:6ae2f7bca550 393 if ((attach_set_max_message_size(attach, link->max_message_size) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 394 (session_send_attach(link->link_endpoint, attach) != 0))
Azure.IoT Build 0:6ae2f7bca550 395 {
Azure.IoT Build 0:6ae2f7bca550 396 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 397 }
Azure.IoT Build 0:6ae2f7bca550 398 else
Azure.IoT Build 0:6ae2f7bca550 399 {
Azure.IoT Build 0:6ae2f7bca550 400 result = 0;
Azure.IoT Build 0:6ae2f7bca550 401 }
Azure.IoT Build 0:6ae2f7bca550 402 }
Azure.IoT Build 0:6ae2f7bca550 403
Azure.IoT Build 0:6ae2f7bca550 404 attach_destroy(attach);
Azure.IoT Build 0:6ae2f7bca550 405 }
Azure.IoT Build 0:6ae2f7bca550 406
Azure.IoT Build 0:6ae2f7bca550 407 return result;
Azure.IoT Build 0:6ae2f7bca550 408 }
Azure.IoT Build 0:6ae2f7bca550 409
Azure.IoT Build 0:6ae2f7bca550 410 static int send_detach(LINK_INSTANCE* link_instance, ERROR_HANDLE error)
Azure.IoT Build 0:6ae2f7bca550 411 {
Azure.IoT Build 0:6ae2f7bca550 412 int result;
Azure.IoT Build 0:6ae2f7bca550 413
Azure.IoT Build 0:6ae2f7bca550 414 DETACH_HANDLE detach = detach_create(0);
Azure.IoT Build 0:6ae2f7bca550 415 if (detach == NULL)
Azure.IoT Build 0:6ae2f7bca550 416 {
Azure.IoT Build 0:6ae2f7bca550 417 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 418 }
Azure.IoT Build 0:6ae2f7bca550 419 else
Azure.IoT Build 0:6ae2f7bca550 420 {
Azure.IoT Build 0:6ae2f7bca550 421 if (((error != NULL) && (detach_set_error(detach, error) != 0)) ||
Azure.IoT Build 0:6ae2f7bca550 422 (session_send_detach(link_instance->link_endpoint, detach) != 0))
Azure.IoT Build 0:6ae2f7bca550 423 {
Azure.IoT Build 0:6ae2f7bca550 424 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 425 }
Azure.IoT Build 0:6ae2f7bca550 426 else
Azure.IoT Build 0:6ae2f7bca550 427 {
Azure.IoT Build 0:6ae2f7bca550 428 result = 0;
Azure.IoT Build 0:6ae2f7bca550 429 }
Azure.IoT Build 0:6ae2f7bca550 430
Azure.IoT Build 0:6ae2f7bca550 431 detach_destroy(detach);
Azure.IoT Build 0:6ae2f7bca550 432 }
Azure.IoT Build 0:6ae2f7bca550 433
Azure.IoT Build 0:6ae2f7bca550 434 return result;
Azure.IoT Build 0:6ae2f7bca550 435 }
Azure.IoT Build 0:6ae2f7bca550 436
Azure.IoT Build 0:6ae2f7bca550 437 static void on_session_state_changed(void* context, SESSION_STATE new_session_state, SESSION_STATE previous_session_state)
Azure.IoT Build 0:6ae2f7bca550 438 {
Azure.IoT Build 0:6ae2f7bca550 439 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 440
Azure.IoT Build 0:6ae2f7bca550 441 if (new_session_state == SESSION_STATE_MAPPED)
Azure.IoT Build 0:6ae2f7bca550 442 {
Azure.IoT Build 0:6ae2f7bca550 443 if (link_instance->link_state == LINK_STATE_DETACHED)
Azure.IoT Build 0:6ae2f7bca550 444 {
Azure.IoT Build 0:6ae2f7bca550 445 if (send_attach(link_instance, link_instance->name, 0, link_instance->role) == 0)
Azure.IoT Build 0:6ae2f7bca550 446 {
Azure.IoT Build 0:6ae2f7bca550 447 set_link_state(link_instance, LINK_STATE_HALF_ATTACHED);
Azure.IoT Build 0:6ae2f7bca550 448 }
Azure.IoT Build 0:6ae2f7bca550 449 }
Azure.IoT Build 0:6ae2f7bca550 450 }
Azure.IoT Build 0:6ae2f7bca550 451 else if (new_session_state == SESSION_STATE_DISCARDING)
Azure.IoT Build 0:6ae2f7bca550 452 {
Azure.IoT Build 0:6ae2f7bca550 453 set_link_state(link_instance, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 454 }
Azure.IoT Build 0:6ae2f7bca550 455 }
Azure.IoT Build 0:6ae2f7bca550 456
Azure.IoT Build 0:6ae2f7bca550 457 static void on_session_flow_on(void* context)
Azure.IoT Build 0:6ae2f7bca550 458 {
Azure.IoT Build 0:6ae2f7bca550 459 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 460 if (link_instance->role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 461 {
Azure.IoT Build 0:6ae2f7bca550 462 link_instance->on_link_flow_on(link_instance->callback_context);
Azure.IoT Build 0:6ae2f7bca550 463 }
Azure.IoT Build 0:6ae2f7bca550 464 }
Azure.IoT Build 0:6ae2f7bca550 465
Azure.IoT Build 0:6ae2f7bca550 466 static void on_send_complete(void* context, IO_SEND_RESULT send_result)
Azure.IoT Build 0:6ae2f7bca550 467 {
Azure.IoT Build 0:6ae2f7bca550 468 LIST_ITEM_HANDLE delivery_instance_list_item = (LIST_ITEM_HANDLE)context;
Azure.IoT Build 0:6ae2f7bca550 469 DELIVERY_INSTANCE* delivery_instance = (DELIVERY_INSTANCE*)list_item_get_value(delivery_instance_list_item);
Azure.IoT Build 0:6ae2f7bca550 470 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)delivery_instance->link;
Azure.IoT Build 0:6ae2f7bca550 471 if (link_instance->snd_settle_mode == sender_settle_mode_settled)
Azure.IoT Build 0:6ae2f7bca550 472 {
Azure.IoT Build 0:6ae2f7bca550 473 delivery_instance->on_delivery_settled(delivery_instance->callback_context, delivery_instance->delivery_id);
Azure.IoT Build 0:6ae2f7bca550 474 amqpalloc_free(delivery_instance);
Azure.IoT Build 0:6ae2f7bca550 475 (void)list_remove(link_instance->pending_deliveries, delivery_instance_list_item);
Azure.IoT Build 0:6ae2f7bca550 476 }
Azure.IoT Build 0:6ae2f7bca550 477 }
Azure.IoT Build 0:6ae2f7bca550 478
Azure.IoT Build 0:6ae2f7bca550 479 LINK_HANDLE link_create(SESSION_HANDLE session, const char* name, role role, AMQP_VALUE source, AMQP_VALUE target)
Azure.IoT Build 0:6ae2f7bca550 480 {
Azure.IoT Build 0:6ae2f7bca550 481 LINK_INSTANCE* result = amqpalloc_malloc(sizeof(LINK_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 482 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 483 {
Azure.IoT Build 0:6ae2f7bca550 484 result->link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 485 result->previous_link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 486 result->role = role;
Azure.IoT Build 0:6ae2f7bca550 487 result->source = amqpvalue_clone(source);
Azure.IoT Build 0:6ae2f7bca550 488 result->target = amqpvalue_clone(target);
Azure.IoT Build 0:6ae2f7bca550 489 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 490 result->handle = 0;
Azure.IoT Build 0:6ae2f7bca550 491 result->snd_settle_mode = sender_settle_mode_unsettled;
Azure.IoT Build 0:6ae2f7bca550 492 result->rcv_settle_mode = receiver_settle_mode_first;
Azure.IoT Build 0:6ae2f7bca550 493 result->delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 494 result->initial_delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 495 result->max_message_size = 0;
Azure.IoT Build 0:6ae2f7bca550 496 result->is_underlying_session_begun = 0;
Azure.IoT Build 0:6ae2f7bca550 497 result->attach_properties = NULL;
Azure.IoT Build 0:6ae2f7bca550 498
Azure.IoT Build 0:6ae2f7bca550 499 result->pending_deliveries = list_create();
Azure.IoT Build 0:6ae2f7bca550 500 if (result->pending_deliveries == NULL)
Azure.IoT Build 0:6ae2f7bca550 501 {
Azure.IoT Build 0:6ae2f7bca550 502 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 503 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 504 }
Azure.IoT Build 0:6ae2f7bca550 505 else
Azure.IoT Build 0:6ae2f7bca550 506 {
Azure.IoT Build 0:6ae2f7bca550 507 result->name = amqpalloc_malloc(strlen(name) + 1);
Azure.IoT Build 0:6ae2f7bca550 508 if (result->name == NULL)
Azure.IoT Build 0:6ae2f7bca550 509 {
Azure.IoT Build 0:6ae2f7bca550 510 list_destroy(result->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 511 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 512 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 513 }
Azure.IoT Build 0:6ae2f7bca550 514 else
Azure.IoT Build 0:6ae2f7bca550 515 {
Azure.IoT Build 0:6ae2f7bca550 516 result->on_link_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 517 result->callback_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 518 set_link_state(result, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 519
Azure.IoT Build 0:6ae2f7bca550 520 (void)strcpy(result->name, name);
Azure.IoT Build 0:6ae2f7bca550 521 result->link_endpoint = session_create_link_endpoint(session, name);
Azure.IoT Build 0:6ae2f7bca550 522 if (result->link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 523 {
Azure.IoT Build 0:6ae2f7bca550 524 list_destroy(result->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 525 amqpalloc_free(result->name);
Azure.IoT Build 0:6ae2f7bca550 526 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 527 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 528 }
Azure.IoT Build 0:6ae2f7bca550 529 }
Azure.IoT Build 0:6ae2f7bca550 530 }
Azure.IoT Build 0:6ae2f7bca550 531 }
Azure.IoT Build 0:6ae2f7bca550 532
Azure.IoT Build 0:6ae2f7bca550 533 return result;
Azure.IoT Build 0:6ae2f7bca550 534 }
Azure.IoT Build 0:6ae2f7bca550 535
Azure.IoT Build 0:6ae2f7bca550 536 LINK_HANDLE link_create_from_endpoint(SESSION_HANDLE session, LINK_ENDPOINT_HANDLE link_endpoint, const char* name, role role, AMQP_VALUE source, AMQP_VALUE target)
Azure.IoT Build 0:6ae2f7bca550 537 {
Azure.IoT Build 0:6ae2f7bca550 538 LINK_INSTANCE* result = amqpalloc_malloc(sizeof(LINK_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 539 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 540 {
Azure.IoT Build 0:6ae2f7bca550 541 result->link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 542 result->previous_link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 543 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 544 result->handle = 0;
Azure.IoT Build 0:6ae2f7bca550 545 result->snd_settle_mode = sender_settle_mode_unsettled;
Azure.IoT Build 0:6ae2f7bca550 546 result->rcv_settle_mode = receiver_settle_mode_first;
Azure.IoT Build 0:6ae2f7bca550 547 result->delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 548 result->initial_delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 549 result->max_message_size = 0;
Azure.IoT Build 0:6ae2f7bca550 550 result->is_underlying_session_begun = 0;
Azure.IoT Build 0:6ae2f7bca550 551 result->attach_properties = NULL;
Azure.IoT Build 0:6ae2f7bca550 552 result->source = amqpvalue_clone(target);
Azure.IoT Build 0:6ae2f7bca550 553 result->target = amqpvalue_clone(source);
Azure.IoT Build 0:6ae2f7bca550 554 if (role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 555 {
Azure.IoT Build 0:6ae2f7bca550 556 result->role = role_receiver;
Azure.IoT Build 0:6ae2f7bca550 557 }
Azure.IoT Build 0:6ae2f7bca550 558 else
Azure.IoT Build 0:6ae2f7bca550 559 {
Azure.IoT Build 0:6ae2f7bca550 560 result->role = role_sender;
Azure.IoT Build 0:6ae2f7bca550 561 }
Azure.IoT Build 0:6ae2f7bca550 562
Azure.IoT Build 0:6ae2f7bca550 563 result->pending_deliveries = list_create();
Azure.IoT Build 0:6ae2f7bca550 564 if (result->pending_deliveries == NULL)
Azure.IoT Build 0:6ae2f7bca550 565 {
Azure.IoT Build 0:6ae2f7bca550 566 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 567 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 568 }
Azure.IoT Build 0:6ae2f7bca550 569 else
Azure.IoT Build 0:6ae2f7bca550 570 {
Azure.IoT Build 0:6ae2f7bca550 571 result->name = amqpalloc_malloc(strlen(name) + 1);
Azure.IoT Build 0:6ae2f7bca550 572 if (result->name == NULL)
Azure.IoT Build 0:6ae2f7bca550 573 {
Azure.IoT Build 0:6ae2f7bca550 574 list_destroy(result->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 575 amqpalloc_free(result);
Azure.IoT Build 0:6ae2f7bca550 576 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 577 }
Azure.IoT Build 0:6ae2f7bca550 578 else
Azure.IoT Build 0:6ae2f7bca550 579 {
Azure.IoT Build 0:6ae2f7bca550 580 (void)strcpy(result->name, name);
Azure.IoT Build 0:6ae2f7bca550 581 result->on_link_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 582 result->callback_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 583 result->link_endpoint = link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 584 }
Azure.IoT Build 0:6ae2f7bca550 585 }
Azure.IoT Build 0:6ae2f7bca550 586 }
Azure.IoT Build 0:6ae2f7bca550 587
Azure.IoT Build 0:6ae2f7bca550 588 return result;
Azure.IoT Build 0:6ae2f7bca550 589 }
Azure.IoT Build 0:6ae2f7bca550 590
Azure.IoT Build 0:6ae2f7bca550 591 void link_destroy(LINK_HANDLE link)
Azure.IoT Build 0:6ae2f7bca550 592 {
Azure.IoT Build 0:6ae2f7bca550 593 if (link != NULL)
Azure.IoT Build 0:6ae2f7bca550 594 {
Azure.IoT Build 0:6ae2f7bca550 595 link_detach(link);
Azure.IoT Build 0:6ae2f7bca550 596
Azure.IoT Build 0:6ae2f7bca550 597 session_destroy_link_endpoint(link->link_endpoint);
Azure.IoT Build 0:6ae2f7bca550 598 amqpvalue_destroy(link->source);
Azure.IoT Build 0:6ae2f7bca550 599 amqpvalue_destroy(link->target);
Azure.IoT Build 0:6ae2f7bca550 600 if (link->pending_deliveries != NULL)
Azure.IoT Build 0:6ae2f7bca550 601 {
Azure.IoT Build 0:6ae2f7bca550 602 LIST_ITEM_HANDLE item = list_get_head_item(link->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 603 while (item != NULL)
Azure.IoT Build 0:6ae2f7bca550 604 {
Azure.IoT Build 0:6ae2f7bca550 605 LIST_ITEM_HANDLE next_item = list_get_next_item(item);
Azure.IoT Build 0:6ae2f7bca550 606 DELIVERY_INSTANCE* delivery_instance = (DELIVERY_INSTANCE*)list_item_get_value(item);
Azure.IoT Build 0:6ae2f7bca550 607 if (delivery_instance != NULL)
Azure.IoT Build 0:6ae2f7bca550 608 {
Azure.IoT Build 0:6ae2f7bca550 609 amqpalloc_free(delivery_instance);
Azure.IoT Build 0:6ae2f7bca550 610 }
Azure.IoT Build 0:6ae2f7bca550 611
Azure.IoT Build 0:6ae2f7bca550 612 item = next_item;
Azure.IoT Build 0:6ae2f7bca550 613 }
Azure.IoT Build 0:6ae2f7bca550 614
Azure.IoT Build 0:6ae2f7bca550 615 list_destroy(link->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 616 }
Azure.IoT Build 0:6ae2f7bca550 617
Azure.IoT Build 0:6ae2f7bca550 618 if (link->name != NULL)
Azure.IoT Build 0:6ae2f7bca550 619 {
Azure.IoT Build 0:6ae2f7bca550 620 amqpalloc_free(link->name);
Azure.IoT Build 0:6ae2f7bca550 621 }
Azure.IoT Build 0:6ae2f7bca550 622
Azure.IoT Build 0:6ae2f7bca550 623 if (link->attach_properties != NULL)
Azure.IoT Build 0:6ae2f7bca550 624 {
Azure.IoT Build 0:6ae2f7bca550 625 amqpvalue_destroy(link->attach_properties);
Azure.IoT Build 0:6ae2f7bca550 626 }
Azure.IoT Build 0:6ae2f7bca550 627
Azure.IoT Build 0:6ae2f7bca550 628 amqpalloc_free(link);
Azure.IoT Build 0:6ae2f7bca550 629 }
Azure.IoT Build 0:6ae2f7bca550 630 }
Azure.IoT Build 0:6ae2f7bca550 631
Azure.IoT Build 0:6ae2f7bca550 632 int link_set_snd_settle_mode(LINK_HANDLE link, sender_settle_mode snd_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 633 {
Azure.IoT Build 0:6ae2f7bca550 634 int result;
Azure.IoT Build 0:6ae2f7bca550 635
Azure.IoT Build 0:6ae2f7bca550 636 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 637 {
Azure.IoT Build 0:6ae2f7bca550 638 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 639 }
Azure.IoT Build 0:6ae2f7bca550 640 else
Azure.IoT Build 0:6ae2f7bca550 641 {
Azure.IoT Build 0:6ae2f7bca550 642 link->snd_settle_mode = snd_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 643 result = 0;
Azure.IoT Build 0:6ae2f7bca550 644 }
Azure.IoT Build 0:6ae2f7bca550 645
Azure.IoT Build 0:6ae2f7bca550 646 return result;
Azure.IoT Build 0:6ae2f7bca550 647 }
Azure.IoT Build 0:6ae2f7bca550 648
Azure.IoT Build 0:6ae2f7bca550 649 int link_get_snd_settle_mode(LINK_HANDLE link, sender_settle_mode* snd_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 650 {
Azure.IoT Build 0:6ae2f7bca550 651 int result;
Azure.IoT Build 0:6ae2f7bca550 652
Azure.IoT Build 0:6ae2f7bca550 653 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 654 (snd_settle_mode == NULL))
Azure.IoT Build 0:6ae2f7bca550 655 {
Azure.IoT Build 0:6ae2f7bca550 656 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 657 }
Azure.IoT Build 0:6ae2f7bca550 658 else
Azure.IoT Build 0:6ae2f7bca550 659 {
Azure.IoT Build 0:6ae2f7bca550 660 *snd_settle_mode = link->snd_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 661
Azure.IoT Build 0:6ae2f7bca550 662 result = 0;
Azure.IoT Build 0:6ae2f7bca550 663 }
Azure.IoT Build 0:6ae2f7bca550 664
Azure.IoT Build 0:6ae2f7bca550 665 return result;
Azure.IoT Build 0:6ae2f7bca550 666 }
Azure.IoT Build 0:6ae2f7bca550 667
Azure.IoT Build 0:6ae2f7bca550 668 int link_set_rcv_settle_mode(LINK_HANDLE link, receiver_settle_mode rcv_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 669 {
Azure.IoT Build 0:6ae2f7bca550 670 int result;
Azure.IoT Build 0:6ae2f7bca550 671
Azure.IoT Build 0:6ae2f7bca550 672 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 673 {
Azure.IoT Build 0:6ae2f7bca550 674 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 675 }
Azure.IoT Build 0:6ae2f7bca550 676 else
Azure.IoT Build 0:6ae2f7bca550 677 {
Azure.IoT Build 0:6ae2f7bca550 678 link->rcv_settle_mode = rcv_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 679 result = 0;
Azure.IoT Build 0:6ae2f7bca550 680 }
Azure.IoT Build 0:6ae2f7bca550 681
Azure.IoT Build 0:6ae2f7bca550 682 return result;
Azure.IoT Build 0:6ae2f7bca550 683 }
Azure.IoT Build 0:6ae2f7bca550 684
Azure.IoT Build 0:6ae2f7bca550 685 int link_get_rcv_settle_mode(LINK_HANDLE link, receiver_settle_mode* rcv_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 686 {
Azure.IoT Build 0:6ae2f7bca550 687 int result;
Azure.IoT Build 0:6ae2f7bca550 688
Azure.IoT Build 0:6ae2f7bca550 689 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 690 (rcv_settle_mode == NULL))
Azure.IoT Build 0:6ae2f7bca550 691 {
Azure.IoT Build 0:6ae2f7bca550 692 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 693 }
Azure.IoT Build 0:6ae2f7bca550 694 else
Azure.IoT Build 0:6ae2f7bca550 695 {
Azure.IoT Build 0:6ae2f7bca550 696 *rcv_settle_mode = link->rcv_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 697 result = 0;
Azure.IoT Build 0:6ae2f7bca550 698 }
Azure.IoT Build 0:6ae2f7bca550 699
Azure.IoT Build 0:6ae2f7bca550 700 return result;
Azure.IoT Build 0:6ae2f7bca550 701 }
Azure.IoT Build 0:6ae2f7bca550 702
Azure.IoT Build 0:6ae2f7bca550 703 int link_set_initial_delivery_count(LINK_HANDLE link, sequence_no initial_delivery_count)
Azure.IoT Build 0:6ae2f7bca550 704 {
Azure.IoT Build 0:6ae2f7bca550 705 int result;
Azure.IoT Build 0:6ae2f7bca550 706
Azure.IoT Build 0:6ae2f7bca550 707 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 708 {
Azure.IoT Build 0:6ae2f7bca550 709 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 710 }
Azure.IoT Build 0:6ae2f7bca550 711 else
Azure.IoT Build 0:6ae2f7bca550 712 {
Azure.IoT Build 0:6ae2f7bca550 713 link->initial_delivery_count = initial_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 714 result = 0;
Azure.IoT Build 0:6ae2f7bca550 715 }
Azure.IoT Build 0:6ae2f7bca550 716
Azure.IoT Build 0:6ae2f7bca550 717 return result;
Azure.IoT Build 0:6ae2f7bca550 718 }
Azure.IoT Build 0:6ae2f7bca550 719
Azure.IoT Build 0:6ae2f7bca550 720 int link_get_initial_delivery_count(LINK_HANDLE link, sequence_no* initial_delivery_count)
Azure.IoT Build 0:6ae2f7bca550 721 {
Azure.IoT Build 0:6ae2f7bca550 722 int result;
Azure.IoT Build 0:6ae2f7bca550 723
Azure.IoT Build 0:6ae2f7bca550 724 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 725 (initial_delivery_count == NULL))
Azure.IoT Build 0:6ae2f7bca550 726 {
Azure.IoT Build 0:6ae2f7bca550 727 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 728 }
Azure.IoT Build 0:6ae2f7bca550 729 else
Azure.IoT Build 0:6ae2f7bca550 730 {
Azure.IoT Build 0:6ae2f7bca550 731 *initial_delivery_count = link->initial_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 732 result = 0;
Azure.IoT Build 0:6ae2f7bca550 733 }
Azure.IoT Build 0:6ae2f7bca550 734
Azure.IoT Build 0:6ae2f7bca550 735 return result;
Azure.IoT Build 0:6ae2f7bca550 736 }
Azure.IoT Build 0:6ae2f7bca550 737
Azure.IoT Build 0:6ae2f7bca550 738 int link_set_max_message_size(LINK_HANDLE link, uint64_t max_message_size)
Azure.IoT Build 0:6ae2f7bca550 739 {
Azure.IoT Build 0:6ae2f7bca550 740 int result;
Azure.IoT Build 0:6ae2f7bca550 741
Azure.IoT Build 0:6ae2f7bca550 742 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 743 {
Azure.IoT Build 0:6ae2f7bca550 744 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 745 }
Azure.IoT Build 0:6ae2f7bca550 746 else
Azure.IoT Build 0:6ae2f7bca550 747 {
Azure.IoT Build 0:6ae2f7bca550 748 link->max_message_size = max_message_size;
Azure.IoT Build 0:6ae2f7bca550 749 result = 0;
Azure.IoT Build 0:6ae2f7bca550 750 }
Azure.IoT Build 0:6ae2f7bca550 751
Azure.IoT Build 0:6ae2f7bca550 752 return result;
Azure.IoT Build 0:6ae2f7bca550 753 }
Azure.IoT Build 0:6ae2f7bca550 754
Azure.IoT Build 0:6ae2f7bca550 755 int link_get_max_message_size(LINK_HANDLE link, uint64_t* max_message_size)
Azure.IoT Build 0:6ae2f7bca550 756 {
Azure.IoT Build 0:6ae2f7bca550 757 int result;
Azure.IoT Build 0:6ae2f7bca550 758
Azure.IoT Build 0:6ae2f7bca550 759 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 760 (max_message_size == NULL))
Azure.IoT Build 0:6ae2f7bca550 761 {
Azure.IoT Build 0:6ae2f7bca550 762 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 763 }
Azure.IoT Build 0:6ae2f7bca550 764 else
Azure.IoT Build 0:6ae2f7bca550 765 {
Azure.IoT Build 0:6ae2f7bca550 766 *max_message_size = link->max_message_size;
Azure.IoT Build 0:6ae2f7bca550 767 result = 0;
Azure.IoT Build 0:6ae2f7bca550 768 }
Azure.IoT Build 0:6ae2f7bca550 769
Azure.IoT Build 0:6ae2f7bca550 770 return result;
Azure.IoT Build 0:6ae2f7bca550 771 }
Azure.IoT Build 0:6ae2f7bca550 772
Azure.IoT Build 0:6ae2f7bca550 773 int link_set_attach_properties(LINK_HANDLE link, fields attach_properties)
Azure.IoT Build 0:6ae2f7bca550 774 {
Azure.IoT Build 0:6ae2f7bca550 775 int result;
Azure.IoT Build 0:6ae2f7bca550 776
Azure.IoT Build 0:6ae2f7bca550 777 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 778 {
Azure.IoT Build 0:6ae2f7bca550 779 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 780 }
Azure.IoT Build 0:6ae2f7bca550 781 else
Azure.IoT Build 0:6ae2f7bca550 782 {
Azure.IoT Build 0:6ae2f7bca550 783 link->attach_properties = amqpvalue_clone(attach_properties);
Azure.IoT Build 0:6ae2f7bca550 784 if (link->attach_properties == NULL)
Azure.IoT Build 0:6ae2f7bca550 785 {
Azure.IoT Build 0:6ae2f7bca550 786 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 787 }
Azure.IoT Build 0:6ae2f7bca550 788 else
Azure.IoT Build 0:6ae2f7bca550 789 {
Azure.IoT Build 0:6ae2f7bca550 790 result = 0;
Azure.IoT Build 0:6ae2f7bca550 791 }
Azure.IoT Build 0:6ae2f7bca550 792 }
Azure.IoT Build 0:6ae2f7bca550 793
Azure.IoT Build 0:6ae2f7bca550 794 return result;
Azure.IoT Build 0:6ae2f7bca550 795 }
Azure.IoT Build 0:6ae2f7bca550 796
Azure.IoT Build 0:6ae2f7bca550 797 int link_attach(LINK_HANDLE link, ON_TRANSFER_RECEIVED on_transfer_received, ON_LINK_STATE_CHANGED on_link_state_changed, ON_LINK_FLOW_ON on_link_flow_on, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 798 {
Azure.IoT Build 0:6ae2f7bca550 799 int result;
Azure.IoT Build 0:6ae2f7bca550 800
Azure.IoT Build 0:6ae2f7bca550 801 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 802 {
Azure.IoT Build 0:6ae2f7bca550 803 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 804 }
Azure.IoT Build 0:6ae2f7bca550 805 else
Azure.IoT Build 0:6ae2f7bca550 806 {
Azure.IoT Build 0:6ae2f7bca550 807 if (!link->is_underlying_session_begun)
Azure.IoT Build 0:6ae2f7bca550 808 {
Azure.IoT Build 0:6ae2f7bca550 809 link->on_link_state_changed = on_link_state_changed;
Azure.IoT Build 0:6ae2f7bca550 810 link->on_transfer_received = on_transfer_received;
Azure.IoT Build 0:6ae2f7bca550 811 link->on_link_flow_on = on_link_flow_on;
Azure.IoT Build 0:6ae2f7bca550 812 link->callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 813
Azure.IoT Build 0:6ae2f7bca550 814 if (session_begin(link->session) != 0)
Azure.IoT Build 0:6ae2f7bca550 815 {
Azure.IoT Build 0:6ae2f7bca550 816 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 817 }
Azure.IoT Build 0:6ae2f7bca550 818 else
Azure.IoT Build 0:6ae2f7bca550 819 {
Azure.IoT Build 0:6ae2f7bca550 820 link->is_underlying_session_begun = 1;
Azure.IoT Build 0:6ae2f7bca550 821
Azure.IoT Build 0:6ae2f7bca550 822 if (session_start_link_endpoint(link->link_endpoint, link_frame_received, on_session_state_changed, on_session_flow_on, link) != 0)
Azure.IoT Build 0:6ae2f7bca550 823 {
Azure.IoT Build 0:6ae2f7bca550 824 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 825 }
Azure.IoT Build 0:6ae2f7bca550 826 else
Azure.IoT Build 0:6ae2f7bca550 827 {
Azure.IoT Build 0:6ae2f7bca550 828 result = 0;
Azure.IoT Build 0:6ae2f7bca550 829 }
Azure.IoT Build 0:6ae2f7bca550 830 }
Azure.IoT Build 0:6ae2f7bca550 831 }
Azure.IoT Build 0:6ae2f7bca550 832 else
Azure.IoT Build 0:6ae2f7bca550 833 {
Azure.IoT Build 0:6ae2f7bca550 834 result = 0;
Azure.IoT Build 0:6ae2f7bca550 835 }
Azure.IoT Build 0:6ae2f7bca550 836 }
Azure.IoT Build 0:6ae2f7bca550 837
Azure.IoT Build 0:6ae2f7bca550 838 return result;
Azure.IoT Build 0:6ae2f7bca550 839 }
Azure.IoT Build 0:6ae2f7bca550 840
Azure.IoT Build 0:6ae2f7bca550 841 int link_detach(LINK_HANDLE link)
Azure.IoT Build 0:6ae2f7bca550 842 {
Azure.IoT Build 0:6ae2f7bca550 843 int result;
Azure.IoT Build 0:6ae2f7bca550 844
Azure.IoT Build 0:6ae2f7bca550 845 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 846 {
Azure.IoT Build 0:6ae2f7bca550 847 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 848 }
Azure.IoT Build 0:6ae2f7bca550 849 else
Azure.IoT Build 0:6ae2f7bca550 850 {
Azure.IoT Build 0:6ae2f7bca550 851 if ((link->link_state == LINK_STATE_HALF_ATTACHED) ||
Azure.IoT Build 0:6ae2f7bca550 852 (link->link_state == LINK_STATE_ATTACHED))
Azure.IoT Build 0:6ae2f7bca550 853 {
Azure.IoT Build 0:6ae2f7bca550 854 link->on_link_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 855
Azure.IoT Build 0:6ae2f7bca550 856 if (send_detach(link, NULL) != 0)
Azure.IoT Build 0:6ae2f7bca550 857 {
Azure.IoT Build 0:6ae2f7bca550 858 result = __LINE__;
Azure.IoT Build 0:6ae2f7bca550 859 }
Azure.IoT Build 0:6ae2f7bca550 860 else
Azure.IoT Build 0:6ae2f7bca550 861 {
Azure.IoT Build 0:6ae2f7bca550 862 set_link_state(link, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 863 result = 0;
Azure.IoT Build 0:6ae2f7bca550 864 }
Azure.IoT Build 0:6ae2f7bca550 865 }
Azure.IoT Build 0:6ae2f7bca550 866 else
Azure.IoT Build 0:6ae2f7bca550 867 {
Azure.IoT Build 0:6ae2f7bca550 868 set_link_state(link, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 869 result = 0;
Azure.IoT Build 0:6ae2f7bca550 870 }
Azure.IoT Build 0:6ae2f7bca550 871 }
Azure.IoT Build 0:6ae2f7bca550 872
Azure.IoT Build 0:6ae2f7bca550 873 return result;
Azure.IoT Build 0:6ae2f7bca550 874 }
Azure.IoT Build 0:6ae2f7bca550 875
Azure.IoT Build 0:6ae2f7bca550 876 LINK_TRANSFER_RESULT link_transfer(LINK_HANDLE link, message_format message_format, PAYLOAD* payloads, size_t payload_count, ON_DELIVERY_SETTLED on_delivery_settled, void* callback_context)
Azure.IoT Build 0:6ae2f7bca550 877 {
Azure.IoT Build 0:6ae2f7bca550 878 LINK_TRANSFER_RESULT result;
Azure.IoT Build 0:6ae2f7bca550 879
Azure.IoT Build 0:6ae2f7bca550 880 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 881 {
Azure.IoT Build 0:6ae2f7bca550 882 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 883 }
Azure.IoT Build 0:6ae2f7bca550 884 else
Azure.IoT Build 0:6ae2f7bca550 885 {
Azure.IoT Build 0:6ae2f7bca550 886 if (link->role != role_sender)
Azure.IoT Build 0:6ae2f7bca550 887 {
Azure.IoT Build 0:6ae2f7bca550 888 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 889 }
Azure.IoT Build 0:6ae2f7bca550 890 else if (link->link_credit == 0)
Azure.IoT Build 0:6ae2f7bca550 891 {
Azure.IoT Build 0:6ae2f7bca550 892 result = LINK_TRANSFER_BUSY;
Azure.IoT Build 0:6ae2f7bca550 893 }
Azure.IoT Build 0:6ae2f7bca550 894 else
Azure.IoT Build 0:6ae2f7bca550 895 {
Azure.IoT Build 0:6ae2f7bca550 896 TRANSFER_HANDLE transfer = transfer_create(0);
Azure.IoT Build 0:6ae2f7bca550 897 if (transfer == NULL)
Azure.IoT Build 0:6ae2f7bca550 898 {
Azure.IoT Build 0:6ae2f7bca550 899 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 900 }
Azure.IoT Build 0:6ae2f7bca550 901 else
Azure.IoT Build 0:6ae2f7bca550 902 {
Azure.IoT Build 0:6ae2f7bca550 903 unsigned char delivery_tag_bytes[sizeof(link->delivery_count)];
Azure.IoT Build 0:6ae2f7bca550 904 delivery_tag delivery_tag;
Azure.IoT Build 0:6ae2f7bca550 905 bool settled;
Azure.IoT Build 0:6ae2f7bca550 906
Azure.IoT Build 0:6ae2f7bca550 907 (void)memcpy(delivery_tag_bytes, &link->delivery_count, sizeof(link->delivery_count));
Azure.IoT Build 0:6ae2f7bca550 908
Azure.IoT Build 0:6ae2f7bca550 909 link->delivery_count++;
Azure.IoT Build 0:6ae2f7bca550 910
Azure.IoT Build 0:6ae2f7bca550 911 delivery_tag.bytes = &delivery_tag_bytes;
Azure.IoT Build 0:6ae2f7bca550 912 delivery_tag.length = sizeof(delivery_tag_bytes);
Azure.IoT Build 0:6ae2f7bca550 913
Azure.IoT Build 0:6ae2f7bca550 914 if (link->snd_settle_mode == sender_settle_mode_unsettled)
Azure.IoT Build 0:6ae2f7bca550 915 {
Azure.IoT Build 0:6ae2f7bca550 916 settled = false;
Azure.IoT Build 0:6ae2f7bca550 917 }
Azure.IoT Build 0:6ae2f7bca550 918 else
Azure.IoT Build 0:6ae2f7bca550 919 {
Azure.IoT Build 0:6ae2f7bca550 920 settled = true;
Azure.IoT Build 0:6ae2f7bca550 921 }
Azure.IoT Build 0:6ae2f7bca550 922
Azure.IoT Build 0:6ae2f7bca550 923 if ((transfer_set_delivery_tag(transfer, delivery_tag) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 924 (transfer_set_message_format(transfer, message_format) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 925 (transfer_set_settled(transfer, settled) != 0))
Azure.IoT Build 0:6ae2f7bca550 926 {
Azure.IoT Build 0:6ae2f7bca550 927 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 928 }
Azure.IoT Build 0:6ae2f7bca550 929 else
Azure.IoT Build 0:6ae2f7bca550 930 {
Azure.IoT Build 0:6ae2f7bca550 931 AMQP_VALUE transfer_value = amqpvalue_create_transfer(transfer);
Azure.IoT Build 0:6ae2f7bca550 932
Azure.IoT Build 0:6ae2f7bca550 933 if (transfer_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 934 {
Azure.IoT Build 0:6ae2f7bca550 935 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 936 }
Azure.IoT Build 0:6ae2f7bca550 937 else
Azure.IoT Build 0:6ae2f7bca550 938 {
Azure.IoT Build 0:6ae2f7bca550 939 DELIVERY_INSTANCE* pending_delivery = amqpalloc_malloc(sizeof(DELIVERY_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 940 if (pending_delivery == NULL)
Azure.IoT Build 0:6ae2f7bca550 941 {
Azure.IoT Build 0:6ae2f7bca550 942 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 943 }
Azure.IoT Build 0:6ae2f7bca550 944 else
Azure.IoT Build 0:6ae2f7bca550 945 {
Azure.IoT Build 0:6ae2f7bca550 946 LIST_ITEM_HANDLE delivery_instance_list_item;
Azure.IoT Build 0:6ae2f7bca550 947 pending_delivery->on_delivery_settled = on_delivery_settled;
Azure.IoT Build 0:6ae2f7bca550 948 pending_delivery->callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 949 pending_delivery->link = link;
Azure.IoT Build 0:6ae2f7bca550 950 delivery_instance_list_item = list_add(link->pending_deliveries, pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 951
Azure.IoT Build 0:6ae2f7bca550 952 if (delivery_instance_list_item == NULL)
Azure.IoT Build 0:6ae2f7bca550 953 {
Azure.IoT Build 0:6ae2f7bca550 954 amqpalloc_free(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 955 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 956 }
Azure.IoT Build 0:6ae2f7bca550 957 else
Azure.IoT Build 0:6ae2f7bca550 958 {
Azure.IoT Build 0:6ae2f7bca550 959 /* here we should feed data to the transfer frame */
Azure.IoT Build 0:6ae2f7bca550 960 switch (session_send_transfer(link->link_endpoint, transfer, payloads, payload_count, &pending_delivery->delivery_id, (settled) ? on_send_complete : NULL, delivery_instance_list_item))
Azure.IoT Build 0:6ae2f7bca550 961 {
Azure.IoT Build 0:6ae2f7bca550 962 default:
Azure.IoT Build 0:6ae2f7bca550 963 case SESSION_SEND_TRANSFER_ERROR:
Azure.IoT Build 0:6ae2f7bca550 964 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 965 break;
Azure.IoT Build 0:6ae2f7bca550 966
Azure.IoT Build 0:6ae2f7bca550 967 case SESSION_SEND_TRANSFER_BUSY:
Azure.IoT Build 0:6ae2f7bca550 968 result = LINK_TRANSFER_BUSY;
Azure.IoT Build 0:6ae2f7bca550 969 break;
Azure.IoT Build 0:6ae2f7bca550 970
Azure.IoT Build 0:6ae2f7bca550 971 case SESSION_SEND_TRANSFER_OK:
Azure.IoT Build 0:6ae2f7bca550 972 link->link_credit--;
Azure.IoT Build 0:6ae2f7bca550 973 result = LINK_TRANSFER_OK;
Azure.IoT Build 0:6ae2f7bca550 974 break;
Azure.IoT Build 0:6ae2f7bca550 975 }
Azure.IoT Build 0:6ae2f7bca550 976 }
Azure.IoT Build 0:6ae2f7bca550 977 }
Azure.IoT Build 0:6ae2f7bca550 978
Azure.IoT Build 0:6ae2f7bca550 979 amqpvalue_destroy(transfer_value);
Azure.IoT Build 0:6ae2f7bca550 980 }
Azure.IoT Build 0:6ae2f7bca550 981 }
Azure.IoT Build 0:6ae2f7bca550 982
Azure.IoT Build 0:6ae2f7bca550 983 transfer_destroy(transfer);
Azure.IoT Build 0:6ae2f7bca550 984 }
Azure.IoT Build 0:6ae2f7bca550 985 }
Azure.IoT Build 0:6ae2f7bca550 986 }
Azure.IoT Build 0:6ae2f7bca550 987
Azure.IoT Build 0:6ae2f7bca550 988 return result;
Azure.IoT Build 0:6ae2f7bca550 989 }