Azure IoT / azure_uamqp_c

A small memory footprint AMQP implimentation

Dependents:   iothub_client_sample_amqp remote_monitoring simplesample_amqp

link.c@21:f9c433d8e6ca, 2017-03-24 (annotated)

Committer:
AzureIoTClient
Date:
Fri Mar 24 16:35:45 2017 -0700
Revision:
21:f9c433d8e6ca
Parent:
20:206846c14c80
Child:
23:1111ee8bcba4
1.1.10

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:6ae2f7bca550 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:6ae2f7bca550 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:6ae2f7bca550 3
Azure.IoT Build 0:6ae2f7bca550 4 #include <stdlib.h>
Azure.IoT Build 0:6ae2f7bca550 5 #include <string.h>
Azure.IoT Build 0:6ae2f7bca550 6 #include <stdint.h>
Azure.IoT Build 0:6ae2f7bca550 7 #include <stdbool.h>
AzureIoTClient 21:f9c433d8e6ca 8 #include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build 0:6ae2f7bca550 9 #include "azure_uamqp_c/link.h"
Azure.IoT Build 0:6ae2f7bca550 10 #include "azure_uamqp_c/session.h"
Azure.IoT Build 0:6ae2f7bca550 11 #include "azure_uamqp_c/amqpvalue.h"
Azure.IoT Build 0:6ae2f7bca550 12 #include "azure_uamqp_c/amqp_definitions.h"
Azure.IoT Build 0:6ae2f7bca550 13 #include "azure_uamqp_c/amqp_frame_codec.h"
AzureIoTClient 19:000ab4e6a2c1 14 #include "azure_c_shared_utility/optimize_size.h"
Azure.IoT Build 0:6ae2f7bca550 15 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 12:b30dacf113f2 16 #include "azure_c_shared_utility/singlylinkedlist.h"
Azure.IoT Build 0:6ae2f7bca550 17
Azure.IoT Build 0:6ae2f7bca550 18 #define DEFAULT_LINK_CREDIT 10000
Azure.IoT Build 0:6ae2f7bca550 19
Azure.IoT Build 0:6ae2f7bca550 20 typedef struct DELIVERY_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 21 {
Azure.IoT Build 0:6ae2f7bca550 22 delivery_number delivery_id;
Azure.IoT Build 0:6ae2f7bca550 23 ON_DELIVERY_SETTLED on_delivery_settled;
Azure.IoT Build 0:6ae2f7bca550 24 void* callback_context;
Azure.IoT Build 0:6ae2f7bca550 25 void* link;
Azure.IoT Build 0:6ae2f7bca550 26 } DELIVERY_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 27
Azure.IoT Build 0:6ae2f7bca550 28 typedef struct LINK_INSTANCE_TAG
Azure.IoT Build 0:6ae2f7bca550 29 {
Azure.IoT Build 0:6ae2f7bca550 30 SESSION_HANDLE session;
Azure.IoT Build 0:6ae2f7bca550 31 LINK_STATE link_state;
Azure.IoT Build 0:6ae2f7bca550 32 LINK_STATE previous_link_state;
Azure.IoT Build 0:6ae2f7bca550 33 AMQP_VALUE source;
Azure.IoT Build 0:6ae2f7bca550 34 AMQP_VALUE target;
Azure.IoT Build 0:6ae2f7bca550 35 handle handle;
Azure.IoT Build 0:6ae2f7bca550 36 LINK_ENDPOINT_HANDLE link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 37 char* name;
AzureIoTClient 12:b30dacf113f2 38 SINGLYLINKEDLIST_HANDLE pending_deliveries;
Azure.IoT Build 0:6ae2f7bca550 39 sequence_no delivery_count;
Azure.IoT Build 0:6ae2f7bca550 40 role role;
Azure.IoT Build 0:6ae2f7bca550 41 ON_LINK_STATE_CHANGED on_link_state_changed;
Azure.IoT Build 0:6ae2f7bca550 42 ON_LINK_FLOW_ON on_link_flow_on;
Azure.IoT Build 0:6ae2f7bca550 43 ON_TRANSFER_RECEIVED on_transfer_received;
Azure.IoT Build 0:6ae2f7bca550 44 void* callback_context;
Azure.IoT Build 0:6ae2f7bca550 45 sender_settle_mode snd_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 46 receiver_settle_mode rcv_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 47 sequence_no initial_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 48 uint64_t max_message_size;
Azure.IoT Build 0:6ae2f7bca550 49 uint32_t link_credit;
Azure.IoT Build 0:6ae2f7bca550 50 uint32_t available;
Azure.IoT Build 0:6ae2f7bca550 51 fields attach_properties;
AzureIoTClient 12:b30dacf113f2 52 bool is_underlying_session_begun;
AzureIoTClient 12:b30dacf113f2 53 bool is_closed;
AzureIoTClient 12:b30dacf113f2 54 unsigned char* received_payload;
AzureIoTClient 12:b30dacf113f2 55 uint32_t received_payload_size;
AzureIoTClient 12:b30dacf113f2 56 delivery_number received_delivery_id;
Azure.IoT Build 0:6ae2f7bca550 57 } LINK_INSTANCE;
Azure.IoT Build 0:6ae2f7bca550 58
Azure.IoT Build 0:6ae2f7bca550 59 static void set_link_state(LINK_INSTANCE* link_instance, LINK_STATE link_state)
Azure.IoT Build 0:6ae2f7bca550 60 {
Azure.IoT Build 0:6ae2f7bca550 61 link_instance->previous_link_state = link_instance->link_state;
Azure.IoT Build 0:6ae2f7bca550 62 link_instance->link_state = link_state;
Azure.IoT Build 0:6ae2f7bca550 63
Azure.IoT Build 0:6ae2f7bca550 64 if (link_instance->on_link_state_changed != NULL)
Azure.IoT Build 0:6ae2f7bca550 65 {
Azure.IoT Build 0:6ae2f7bca550 66 link_instance->on_link_state_changed(link_instance->callback_context, link_state, link_instance->previous_link_state);
Azure.IoT Build 0:6ae2f7bca550 67 }
Azure.IoT Build 0:6ae2f7bca550 68 }
Azure.IoT Build 0:6ae2f7bca550 69
AzureIoTClient 21:f9c433d8e6ca 70 static void remove_all_pending_deliveries(LINK_INSTANCE* link, bool indicate_settled)
AzureIoTClient 21:f9c433d8e6ca 71 {
AzureIoTClient 21:f9c433d8e6ca 72 if (link->pending_deliveries != NULL)
AzureIoTClient 21:f9c433d8e6ca 73 {
AzureIoTClient 21:f9c433d8e6ca 74 LIST_ITEM_HANDLE item = singlylinkedlist_get_head_item(link->pending_deliveries);
AzureIoTClient 21:f9c433d8e6ca 75 while (item != NULL)
AzureIoTClient 21:f9c433d8e6ca 76 {
AzureIoTClient 21:f9c433d8e6ca 77 LIST_ITEM_HANDLE next_item = singlylinkedlist_get_next_item(item);
AzureIoTClient 21:f9c433d8e6ca 78 DELIVERY_INSTANCE* delivery_instance = (DELIVERY_INSTANCE*)singlylinkedlist_item_get_value(item);
AzureIoTClient 21:f9c433d8e6ca 79 if (delivery_instance != NULL)
AzureIoTClient 21:f9c433d8e6ca 80 {
AzureIoTClient 21:f9c433d8e6ca 81 if (indicate_settled && (delivery_instance->on_delivery_settled != NULL))
AzureIoTClient 21:f9c433d8e6ca 82 {
AzureIoTClient 21:f9c433d8e6ca 83 delivery_instance->on_delivery_settled(delivery_instance->callback_context, delivery_instance->delivery_id, NULL);
AzureIoTClient 21:f9c433d8e6ca 84 }
AzureIoTClient 21:f9c433d8e6ca 85 free(delivery_instance);
AzureIoTClient 21:f9c433d8e6ca 86 }
AzureIoTClient 21:f9c433d8e6ca 87
AzureIoTClient 21:f9c433d8e6ca 88 item = next_item;
AzureIoTClient 21:f9c433d8e6ca 89 }
AzureIoTClient 21:f9c433d8e6ca 90
AzureIoTClient 21:f9c433d8e6ca 91 singlylinkedlist_destroy(link->pending_deliveries);
AzureIoTClient 21:f9c433d8e6ca 92 link->pending_deliveries = NULL;
AzureIoTClient 21:f9c433d8e6ca 93 }
AzureIoTClient 21:f9c433d8e6ca 94 }
AzureIoTClient 21:f9c433d8e6ca 95
Azure.IoT Build 0:6ae2f7bca550 96 static int send_flow(LINK_INSTANCE* link)
Azure.IoT Build 0:6ae2f7bca550 97 {
Azure.IoT Build 0:6ae2f7bca550 98 int result;
Azure.IoT Build 0:6ae2f7bca550 99 FLOW_HANDLE flow = flow_create(0, 0, 0);
Azure.IoT Build 0:6ae2f7bca550 100
Azure.IoT Build 0:6ae2f7bca550 101 if (flow == NULL)
Azure.IoT Build 0:6ae2f7bca550 102 {
AzureIoTClient 19:000ab4e6a2c1 103 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 104 }
Azure.IoT Build 0:6ae2f7bca550 105 else
Azure.IoT Build 0:6ae2f7bca550 106 {
Azure.IoT Build 0:6ae2f7bca550 107 if ((flow_set_link_credit(flow, link->link_credit) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 108 (flow_set_handle(flow, link->handle) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 109 (flow_set_delivery_count(flow, link->delivery_count) != 0))
Azure.IoT Build 0:6ae2f7bca550 110 {
AzureIoTClient 19:000ab4e6a2c1 111 result = __FAILURE__;
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 (session_send_flow(link->link_endpoint, flow) != 0)
Azure.IoT Build 0:6ae2f7bca550 116 {
AzureIoTClient 19:000ab4e6a2c1 117 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 118 }
Azure.IoT Build 0:6ae2f7bca550 119 else
Azure.IoT Build 0:6ae2f7bca550 120 {
Azure.IoT Build 0:6ae2f7bca550 121 result = 0;
Azure.IoT Build 0:6ae2f7bca550 122 }
Azure.IoT Build 0:6ae2f7bca550 123 }
Azure.IoT Build 0:6ae2f7bca550 124
Azure.IoT Build 0:6ae2f7bca550 125 flow_destroy(flow);
Azure.IoT Build 0:6ae2f7bca550 126 }
Azure.IoT Build 0:6ae2f7bca550 127
Azure.IoT Build 0:6ae2f7bca550 128 return result;
Azure.IoT Build 0:6ae2f7bca550 129 }
Azure.IoT Build 0:6ae2f7bca550 130
Azure.IoT Build 0:6ae2f7bca550 131 static int send_disposition(LINK_INSTANCE* link_instance, delivery_number delivery_number, AMQP_VALUE delivery_state)
Azure.IoT Build 0:6ae2f7bca550 132 {
Azure.IoT Build 0:6ae2f7bca550 133 int result;
Azure.IoT Build 0:6ae2f7bca550 134
Azure.IoT Build 0:6ae2f7bca550 135 DISPOSITION_HANDLE disposition = disposition_create(link_instance->role, delivery_number);
Azure.IoT Build 0:6ae2f7bca550 136 if (disposition == NULL)
Azure.IoT Build 0:6ae2f7bca550 137 {
AzureIoTClient 19:000ab4e6a2c1 138 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 139 }
Azure.IoT Build 0:6ae2f7bca550 140 else
Azure.IoT Build 0:6ae2f7bca550 141 {
Azure.IoT Build 0:6ae2f7bca550 142 if ((disposition_set_last(disposition, delivery_number) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 143 (disposition_set_settled(disposition, true) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 144 ((delivery_state != NULL) && (disposition_set_state(disposition, delivery_state) != 0)))
Azure.IoT Build 0:6ae2f7bca550 145 {
AzureIoTClient 19:000ab4e6a2c1 146 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 147 }
Azure.IoT Build 0:6ae2f7bca550 148 else
Azure.IoT Build 0:6ae2f7bca550 149 {
Azure.IoT Build 0:6ae2f7bca550 150 if (session_send_disposition(link_instance->link_endpoint, disposition) != 0)
Azure.IoT Build 0:6ae2f7bca550 151 {
AzureIoTClient 19:000ab4e6a2c1 152 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 153 }
Azure.IoT Build 0:6ae2f7bca550 154 else
Azure.IoT Build 0:6ae2f7bca550 155 {
Azure.IoT Build 0:6ae2f7bca550 156 result = 0;
Azure.IoT Build 0:6ae2f7bca550 157 }
Azure.IoT Build 0:6ae2f7bca550 158 }
Azure.IoT Build 0:6ae2f7bca550 159
Azure.IoT Build 0:6ae2f7bca550 160 disposition_destroy(disposition);
Azure.IoT Build 0:6ae2f7bca550 161 }
Azure.IoT Build 0:6ae2f7bca550 162
Azure.IoT Build 0:6ae2f7bca550 163 return result;
Azure.IoT Build 0:6ae2f7bca550 164 }
Azure.IoT Build 0:6ae2f7bca550 165
AzureIoTClient 12:b30dacf113f2 166 static int send_detach(LINK_INSTANCE* link_instance, bool close, ERROR_HANDLE error_handle)
Azure.IoT Build 0:6ae2f7bca550 167 {
Azure.IoT Build 0:6ae2f7bca550 168 int result;
Azure.IoT Build 0:6ae2f7bca550 169 DETACH_HANDLE detach_performative;
Azure.IoT Build 0:6ae2f7bca550 170
Azure.IoT Build 0:6ae2f7bca550 171 detach_performative = detach_create(0);
Azure.IoT Build 0:6ae2f7bca550 172 if (detach_performative == NULL)
Azure.IoT Build 0:6ae2f7bca550 173 {
AzureIoTClient 19:000ab4e6a2c1 174 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 175 }
Azure.IoT Build 0:6ae2f7bca550 176 else
Azure.IoT Build 0:6ae2f7bca550 177 {
Azure.IoT Build 0:6ae2f7bca550 178 if ((error_handle != NULL) &&
Azure.IoT Build 0:6ae2f7bca550 179 (detach_set_error(detach_performative, error_handle) != 0))
Azure.IoT Build 0:6ae2f7bca550 180 {
AzureIoTClient 19:000ab4e6a2c1 181 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 182 }
AzureIoTClient 12:b30dacf113f2 183 else if (close &&
AzureIoTClient 12:b30dacf113f2 184 (detach_set_closed(detach_performative, true) != 0))
AzureIoTClient 12:b30dacf113f2 185 {
AzureIoTClient 19:000ab4e6a2c1 186 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 187 }
AzureIoTClient 12:b30dacf113f2 188 else
Azure.IoT Build 0:6ae2f7bca550 189 {
Azure.IoT Build 0:6ae2f7bca550 190 if (session_send_detach(link_instance->link_endpoint, detach_performative) != 0)
Azure.IoT Build 0:6ae2f7bca550 191 {
AzureIoTClient 19:000ab4e6a2c1 192 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 193 }
Azure.IoT Build 0:6ae2f7bca550 194 else
Azure.IoT Build 0:6ae2f7bca550 195 {
AzureIoTClient 12:b30dacf113f2 196 if (close)
AzureIoTClient 12:b30dacf113f2 197 {
AzureIoTClient 12:b30dacf113f2 198 /* Declare link to be closed */
AzureIoTClient 12:b30dacf113f2 199 link_instance->is_closed = true;
AzureIoTClient 12:b30dacf113f2 200 }
AzureIoTClient 12:b30dacf113f2 201
Azure.IoT Build 0:6ae2f7bca550 202 result = 0;
Azure.IoT Build 0:6ae2f7bca550 203 }
Azure.IoT Build 0:6ae2f7bca550 204 }
Azure.IoT Build 0:6ae2f7bca550 205
Azure.IoT Build 0:6ae2f7bca550 206 detach_destroy(detach_performative);
Azure.IoT Build 0:6ae2f7bca550 207 }
Azure.IoT Build 0:6ae2f7bca550 208
Azure.IoT Build 0:6ae2f7bca550 209 return result;
Azure.IoT Build 0:6ae2f7bca550 210 }
Azure.IoT Build 0:6ae2f7bca550 211
AzureIoTClient 12:b30dacf113f2 212 static int send_attach(LINK_INSTANCE* link, const char* name, handle handle, role role)
AzureIoTClient 12:b30dacf113f2 213 {
AzureIoTClient 12:b30dacf113f2 214 int result;
AzureIoTClient 12:b30dacf113f2 215 ATTACH_HANDLE attach = attach_create(name, handle, role);
AzureIoTClient 12:b30dacf113f2 216
AzureIoTClient 12:b30dacf113f2 217 if (attach == NULL)
AzureIoTClient 12:b30dacf113f2 218 {
AzureIoTClient 19:000ab4e6a2c1 219 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 220 }
AzureIoTClient 12:b30dacf113f2 221 else
AzureIoTClient 12:b30dacf113f2 222 {
AzureIoTClient 12:b30dacf113f2 223 result = 0;
AzureIoTClient 12:b30dacf113f2 224
AzureIoTClient 12:b30dacf113f2 225 link->delivery_count = link->initial_delivery_count;
AzureIoTClient 12:b30dacf113f2 226
AzureIoTClient 12:b30dacf113f2 227 attach_set_snd_settle_mode(attach, link->snd_settle_mode);
AzureIoTClient 12:b30dacf113f2 228 attach_set_rcv_settle_mode(attach, link->rcv_settle_mode);
AzureIoTClient 12:b30dacf113f2 229 attach_set_role(attach, role);
AzureIoTClient 12:b30dacf113f2 230 attach_set_source(attach, link->source);
AzureIoTClient 12:b30dacf113f2 231 attach_set_target(attach, link->target);
AzureIoTClient 12:b30dacf113f2 232 attach_set_properties(attach, link->attach_properties);
AzureIoTClient 12:b30dacf113f2 233
AzureIoTClient 12:b30dacf113f2 234 if (role == role_sender)
AzureIoTClient 12:b30dacf113f2 235 {
AzureIoTClient 12:b30dacf113f2 236 if (attach_set_initial_delivery_count(attach, link->delivery_count) != 0)
AzureIoTClient 12:b30dacf113f2 237 {
AzureIoTClient 19:000ab4e6a2c1 238 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 239 }
AzureIoTClient 12:b30dacf113f2 240 }
AzureIoTClient 12:b30dacf113f2 241
AzureIoTClient 12:b30dacf113f2 242 if (result == 0)
AzureIoTClient 12:b30dacf113f2 243 {
AzureIoTClient 12:b30dacf113f2 244 if ((attach_set_max_message_size(attach, link->max_message_size) != 0) ||
AzureIoTClient 12:b30dacf113f2 245 (session_send_attach(link->link_endpoint, attach) != 0))
AzureIoTClient 12:b30dacf113f2 246 {
AzureIoTClient 19:000ab4e6a2c1 247 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 248 }
AzureIoTClient 12:b30dacf113f2 249 else
AzureIoTClient 12:b30dacf113f2 250 {
AzureIoTClient 12:b30dacf113f2 251 result = 0;
AzureIoTClient 12:b30dacf113f2 252 }
AzureIoTClient 12:b30dacf113f2 253 }
AzureIoTClient 12:b30dacf113f2 254
AzureIoTClient 12:b30dacf113f2 255 attach_destroy(attach);
AzureIoTClient 12:b30dacf113f2 256 }
AzureIoTClient 12:b30dacf113f2 257
AzureIoTClient 12:b30dacf113f2 258 return result;
AzureIoTClient 12:b30dacf113f2 259 }
AzureIoTClient 12:b30dacf113f2 260
Azure.IoT Build 0:6ae2f7bca550 261 static void link_frame_received(void* context, AMQP_VALUE performative, uint32_t payload_size, const unsigned char* payload_bytes)
Azure.IoT Build 0:6ae2f7bca550 262 {
Azure.IoT Build 0:6ae2f7bca550 263 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 264 AMQP_VALUE descriptor = amqpvalue_get_inplace_descriptor(performative);
Azure.IoT Build 0:6ae2f7bca550 265
Azure.IoT Build 0:6ae2f7bca550 266 if (is_attach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 267 {
Azure.IoT Build 0:6ae2f7bca550 268 ATTACH_HANDLE attach_handle;
Azure.IoT Build 0:6ae2f7bca550 269 if (amqpvalue_get_attach(performative, &attach_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 270 {
Azure.IoT Build 0:6ae2f7bca550 271 if ((link_instance->role == role_receiver) &&
Azure.IoT Build 0:6ae2f7bca550 272 (attach_get_initial_delivery_count(attach_handle, &link_instance->delivery_count) != 0))
Azure.IoT Build 0:6ae2f7bca550 273 {
Azure.IoT Build 0:6ae2f7bca550 274 /* error */
Azure.IoT Build 0:6ae2f7bca550 275 set_link_state(link_instance, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 276 }
Azure.IoT Build 0:6ae2f7bca550 277 else
Azure.IoT Build 0:6ae2f7bca550 278 {
Azure.IoT Build 0:6ae2f7bca550 279 if (link_instance->link_state == LINK_STATE_HALF_ATTACHED)
Azure.IoT Build 0:6ae2f7bca550 280 {
Azure.IoT Build 0:6ae2f7bca550 281 if (link_instance->role == role_receiver)
Azure.IoT Build 0:6ae2f7bca550 282 {
Azure.IoT Build 0:6ae2f7bca550 283 link_instance->link_credit = DEFAULT_LINK_CREDIT;
Azure.IoT Build 0:6ae2f7bca550 284 send_flow(link_instance);
Azure.IoT Build 0:6ae2f7bca550 285 }
Azure.IoT Build 0:6ae2f7bca550 286 else
Azure.IoT Build 0:6ae2f7bca550 287 {
Azure.IoT Build 0:6ae2f7bca550 288 link_instance->link_credit = 0;
Azure.IoT Build 0:6ae2f7bca550 289 }
Azure.IoT Build 0:6ae2f7bca550 290
Azure.IoT Build 0:6ae2f7bca550 291 set_link_state(link_instance, LINK_STATE_ATTACHED);
Azure.IoT Build 0:6ae2f7bca550 292 }
Azure.IoT Build 0:6ae2f7bca550 293 }
Azure.IoT Build 0:6ae2f7bca550 294
Azure.IoT Build 0:6ae2f7bca550 295 attach_destroy(attach_handle);
Azure.IoT Build 0:6ae2f7bca550 296 }
Azure.IoT Build 0:6ae2f7bca550 297 }
Azure.IoT Build 0:6ae2f7bca550 298 else if (is_flow_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 299 {
Azure.IoT Build 0:6ae2f7bca550 300 FLOW_HANDLE flow_handle;
Azure.IoT Build 0:6ae2f7bca550 301 if (amqpvalue_get_flow(performative, &flow_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 302 {
Azure.IoT Build 0:6ae2f7bca550 303 if (link_instance->role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 304 {
Azure.IoT Build 0:6ae2f7bca550 305 delivery_number rcv_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 306 uint32_t rcv_link_credit;
Azure.IoT Build 0:6ae2f7bca550 307
Azure.IoT Build 0:6ae2f7bca550 308 if ((flow_get_link_credit(flow_handle, &rcv_link_credit) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 309 (flow_get_delivery_count(flow_handle, &rcv_delivery_count) != 0))
Azure.IoT Build 0:6ae2f7bca550 310 {
Azure.IoT Build 0:6ae2f7bca550 311 /* error */
Azure.IoT Build 0:6ae2f7bca550 312 set_link_state(link_instance, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 313 }
Azure.IoT Build 0:6ae2f7bca550 314 else
Azure.IoT Build 0:6ae2f7bca550 315 {
Azure.IoT Build 0:6ae2f7bca550 316 link_instance->link_credit = rcv_delivery_count + rcv_link_credit - link_instance->delivery_count;
Azure.IoT Build 0:6ae2f7bca550 317 if (link_instance->link_credit > 0)
Azure.IoT Build 0:6ae2f7bca550 318 {
Azure.IoT Build 0:6ae2f7bca550 319 link_instance->on_link_flow_on(link_instance->callback_context);
Azure.IoT Build 0:6ae2f7bca550 320 }
Azure.IoT Build 0:6ae2f7bca550 321 }
Azure.IoT Build 0:6ae2f7bca550 322 }
Azure.IoT Build 0:6ae2f7bca550 323 }
Azure.IoT Build 0:6ae2f7bca550 324
Azure.IoT Build 0:6ae2f7bca550 325 flow_destroy(flow_handle);
Azure.IoT Build 0:6ae2f7bca550 326 }
Azure.IoT Build 0:6ae2f7bca550 327 else if (is_transfer_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 328 {
Azure.IoT Build 0:6ae2f7bca550 329 if (link_instance->on_transfer_received != NULL)
Azure.IoT Build 0:6ae2f7bca550 330 {
Azure.IoT Build 0:6ae2f7bca550 331 TRANSFER_HANDLE transfer_handle;
Azure.IoT Build 0:6ae2f7bca550 332 if (amqpvalue_get_transfer(performative, &transfer_handle) == 0)
Azure.IoT Build 0:6ae2f7bca550 333 {
Azure.IoT Build 0:6ae2f7bca550 334 AMQP_VALUE delivery_state;
AzureIoTClient 12:b30dacf113f2 335 bool more;
AzureIoTClient 13:9abd748f4e78 336 bool is_error;
Azure.IoT Build 0:6ae2f7bca550 337
Azure.IoT Build 0:6ae2f7bca550 338 link_instance->link_credit--;
Azure.IoT Build 0:6ae2f7bca550 339 link_instance->delivery_count++;
Azure.IoT Build 0:6ae2f7bca550 340 if (link_instance->link_credit == 0)
Azure.IoT Build 0:6ae2f7bca550 341 {
Azure.IoT Build 0:6ae2f7bca550 342 link_instance->link_credit = DEFAULT_LINK_CREDIT;
Azure.IoT Build 0:6ae2f7bca550 343 send_flow(link_instance);
Azure.IoT Build 0:6ae2f7bca550 344 }
Azure.IoT Build 0:6ae2f7bca550 345
AzureIoTClient 13:9abd748f4e78 346 more = false;
AzureIoTClient 13:9abd748f4e78 347 /* Attempt to get more flag, default to false */
AzureIoTClient 13:9abd748f4e78 348 (void)transfer_get_more(transfer_handle, &more);
AzureIoTClient 13:9abd748f4e78 349 is_error = false;
AzureIoTClient 12:b30dacf113f2 350
AzureIoTClient 13:9abd748f4e78 351 if (transfer_get_delivery_id(transfer_handle, &link_instance->received_delivery_id) != 0)
AzureIoTClient 13:9abd748f4e78 352 {
AzureIoTClient 13:9abd748f4e78 353 /* is this not a continuation transfer? */
AzureIoTClient 13:9abd748f4e78 354 if (link_instance->received_payload_size == 0)
AzureIoTClient 12:b30dacf113f2 355 {
AzureIoTClient 13:9abd748f4e78 356 LogError("Could not get the delivery Id from the transfer performative");
AzureIoTClient 13:9abd748f4e78 357 is_error = true;
AzureIoTClient 13:9abd748f4e78 358 }
AzureIoTClient 13:9abd748f4e78 359 }
AzureIoTClient 13:9abd748f4e78 360
AzureIoTClient 13:9abd748f4e78 361 if (!is_error)
AzureIoTClient 13:9abd748f4e78 362 {
AzureIoTClient 13:9abd748f4e78 363 /* If this is a continuation transfer or if this is the first chunk of a multi frame transfer */
AzureIoTClient 13:9abd748f4e78 364 if ((link_instance->received_payload_size > 0) || more)
AzureIoTClient 13:9abd748f4e78 365 {
AzureIoTClient 13:9abd748f4e78 366 unsigned char* new_received_payload = (unsigned char*)realloc(link_instance->received_payload, link_instance->received_payload_size + payload_size);
AzureIoTClient 13:9abd748f4e78 367 if (new_received_payload == NULL)
AzureIoTClient 12:b30dacf113f2 368 {
AzureIoTClient 13:9abd748f4e78 369 LogError("Could not allocate memory for the received payload");
AzureIoTClient 13:9abd748f4e78 370 }
AzureIoTClient 13:9abd748f4e78 371 else
AzureIoTClient 13:9abd748f4e78 372 {
AzureIoTClient 13:9abd748f4e78 373 link_instance->received_payload = new_received_payload;
AzureIoTClient 13:9abd748f4e78 374 (void)memcpy(link_instance->received_payload + link_instance->received_payload_size, payload_bytes, payload_size);
AzureIoTClient 13:9abd748f4e78 375 link_instance->received_payload_size += payload_size;
AzureIoTClient 12:b30dacf113f2 376 }
AzureIoTClient 12:b30dacf113f2 377 }
AzureIoTClient 13:9abd748f4e78 378
AzureIoTClient 13:9abd748f4e78 379 if (!more)
AzureIoTClient 12:b30dacf113f2 380 {
AzureIoTClient 13:9abd748f4e78 381 const unsigned char* indicate_payload_bytes;
AzureIoTClient 13:9abd748f4e78 382 uint32_t indicate_payload_size;
AzureIoTClient 13:9abd748f4e78 383
AzureIoTClient 13:9abd748f4e78 384 /* if no previously stored chunks then simply report the current payload */
AzureIoTClient 13:9abd748f4e78 385 if (link_instance->received_payload_size > 0)
AzureIoTClient 12:b30dacf113f2 386 {
AzureIoTClient 13:9abd748f4e78 387 indicate_payload_size = link_instance->received_payload_size;
AzureIoTClient 13:9abd748f4e78 388 indicate_payload_bytes = link_instance->received_payload;
AzureIoTClient 13:9abd748f4e78 389 }
AzureIoTClient 13:9abd748f4e78 390 else
AzureIoTClient 13:9abd748f4e78 391 {
AzureIoTClient 13:9abd748f4e78 392 indicate_payload_size = payload_size;
AzureIoTClient 13:9abd748f4e78 393 indicate_payload_bytes = payload_bytes;
AzureIoTClient 12:b30dacf113f2 394 }
Azure.IoT Build 0:6ae2f7bca550 395
AzureIoTClient 13:9abd748f4e78 396 delivery_state = link_instance->on_transfer_received(link_instance->callback_context, transfer_handle, indicate_payload_size, indicate_payload_bytes);
AzureIoTClient 12:b30dacf113f2 397
AzureIoTClient 13:9abd748f4e78 398 if (link_instance->received_payload_size > 0)
AzureIoTClient 13:9abd748f4e78 399 {
AzureIoTClient 13:9abd748f4e78 400 free(link_instance->received_payload);
AzureIoTClient 13:9abd748f4e78 401 link_instance->received_payload = NULL;
AzureIoTClient 13:9abd748f4e78 402 link_instance->received_payload_size = 0;
AzureIoTClient 13:9abd748f4e78 403 }
AzureIoTClient 12:b30dacf113f2 404
AzureIoTClient 13:9abd748f4e78 405 if (delivery_state != NULL)
AzureIoTClient 13:9abd748f4e78 406 {
AzureIoTClient 20:206846c14c80 407 if (send_disposition(link_instance, link_instance->received_delivery_id, delivery_state) != 0)
AzureIoTClient 20:206846c14c80 408 {
AzureIoTClient 20:206846c14c80 409 LogError("Cannot send disposition frame");
AzureIoTClient 20:206846c14c80 410 }
AzureIoTClient 13:9abd748f4e78 411 amqpvalue_destroy(delivery_state);
AzureIoTClient 12:b30dacf113f2 412 }
AzureIoTClient 12:b30dacf113f2 413 }
AzureIoTClient 12:b30dacf113f2 414 }
Azure.IoT Build 0:6ae2f7bca550 415
Azure.IoT Build 0:6ae2f7bca550 416 transfer_destroy(transfer_handle);
Azure.IoT Build 0:6ae2f7bca550 417 }
Azure.IoT Build 0:6ae2f7bca550 418 }
Azure.IoT Build 0:6ae2f7bca550 419 }
Azure.IoT Build 0:6ae2f7bca550 420 else if (is_disposition_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 421 {
Azure.IoT Build 0:6ae2f7bca550 422 DISPOSITION_HANDLE disposition;
Azure.IoT Build 0:6ae2f7bca550 423 if (amqpvalue_get_disposition(performative, &disposition) != 0)
Azure.IoT Build 0:6ae2f7bca550 424 {
Azure.IoT Build 0:6ae2f7bca550 425 /* error */
Azure.IoT Build 0:6ae2f7bca550 426 }
Azure.IoT Build 0:6ae2f7bca550 427 else
Azure.IoT Build 0:6ae2f7bca550 428 {
Azure.IoT Build 0:6ae2f7bca550 429 delivery_number first;
Azure.IoT Build 0:6ae2f7bca550 430 delivery_number last;
Azure.IoT Build 0:6ae2f7bca550 431
Azure.IoT Build 0:6ae2f7bca550 432 if (disposition_get_first(disposition, &first) != 0)
Azure.IoT Build 0:6ae2f7bca550 433 {
Azure.IoT Build 0:6ae2f7bca550 434 /* error */
Azure.IoT Build 0:6ae2f7bca550 435 }
Azure.IoT Build 0:6ae2f7bca550 436 else
Azure.IoT Build 0:6ae2f7bca550 437 {
Azure.IoT Build 0:6ae2f7bca550 438 bool settled;
Azure.IoT Build 0:6ae2f7bca550 439
Azure.IoT Build 0:6ae2f7bca550 440 if (disposition_get_last(disposition, &last) != 0)
Azure.IoT Build 0:6ae2f7bca550 441 {
Azure.IoT Build 0:6ae2f7bca550 442 last = first;
Azure.IoT Build 0:6ae2f7bca550 443 }
Azure.IoT Build 0:6ae2f7bca550 444
Azure.IoT Build 0:6ae2f7bca550 445 if (disposition_get_settled(disposition, &settled) != 0)
Azure.IoT Build 0:6ae2f7bca550 446 {
Azure.IoT Build 0:6ae2f7bca550 447 /* Error */
Azure.IoT Build 0:6ae2f7bca550 448 settled = false;
Azure.IoT Build 0:6ae2f7bca550 449 }
Azure.IoT Build 0:6ae2f7bca550 450
Azure.IoT Build 0:6ae2f7bca550 451 if (settled)
Azure.IoT Build 0:6ae2f7bca550 452 {
AzureIoTClient 12:b30dacf113f2 453 LIST_ITEM_HANDLE pending_delivery = singlylinkedlist_get_head_item(link_instance->pending_deliveries);
Azure.IoT Build 0:6ae2f7bca550 454 while (pending_delivery != NULL)
Azure.IoT Build 0:6ae2f7bca550 455 {
AzureIoTClient 12:b30dacf113f2 456 LIST_ITEM_HANDLE next_pending_delivery = singlylinkedlist_get_next_item(pending_delivery);
AzureIoTClient 12:b30dacf113f2 457 DELIVERY_INSTANCE* delivery_instance = (DELIVERY_INSTANCE*)singlylinkedlist_item_get_value(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 458 if (delivery_instance == NULL)
Azure.IoT Build 0:6ae2f7bca550 459 {
Azure.IoT Build 0:6ae2f7bca550 460 /* error */
Azure.IoT Build 0:6ae2f7bca550 461 break;
Azure.IoT Build 0:6ae2f7bca550 462 }
Azure.IoT Build 0:6ae2f7bca550 463 else
Azure.IoT Build 0:6ae2f7bca550 464 {
Azure.IoT Build 0:6ae2f7bca550 465 if ((delivery_instance->delivery_id >= first) && (delivery_instance->delivery_id <= last))
Azure.IoT Build 0:6ae2f7bca550 466 {
AzureIoTClient 7:9e9ab3b0efef 467 AMQP_VALUE delivery_state;
AzureIoTClient 7:9e9ab3b0efef 468 if (disposition_get_state(disposition, &delivery_state) != 0)
Azure.IoT Build 0:6ae2f7bca550 469 {
Azure.IoT Build 0:6ae2f7bca550 470 /* error */
Azure.IoT Build 0:6ae2f7bca550 471 }
Azure.IoT Build 0:6ae2f7bca550 472 else
Azure.IoT Build 0:6ae2f7bca550 473 {
AzureIoTClient 7:9e9ab3b0efef 474 delivery_instance->on_delivery_settled(delivery_instance->callback_context, delivery_instance->delivery_id, delivery_state);
AzureIoTClient 21:f9c433d8e6ca 475 free(delivery_instance);
AzureIoTClient 12:b30dacf113f2 476 if (singlylinkedlist_remove(link_instance->pending_deliveries, pending_delivery) != 0)
AzureIoTClient 7:9e9ab3b0efef 477 {
AzureIoTClient 7:9e9ab3b0efef 478 /* error */
AzureIoTClient 7:9e9ab3b0efef 479 break;
AzureIoTClient 7:9e9ab3b0efef 480 }
AzureIoTClient 7:9e9ab3b0efef 481 else
AzureIoTClient 7:9e9ab3b0efef 482 {
AzureIoTClient 7:9e9ab3b0efef 483 pending_delivery = next_pending_delivery;
AzureIoTClient 7:9e9ab3b0efef 484 }
Azure.IoT Build 0:6ae2f7bca550 485 }
Azure.IoT Build 0:6ae2f7bca550 486 }
Azure.IoT Build 0:6ae2f7bca550 487 else
Azure.IoT Build 0:6ae2f7bca550 488 {
Azure.IoT Build 0:6ae2f7bca550 489 pending_delivery = next_pending_delivery;
Azure.IoT Build 0:6ae2f7bca550 490 }
Azure.IoT Build 0:6ae2f7bca550 491 }
Azure.IoT Build 0:6ae2f7bca550 492 }
Azure.IoT Build 0:6ae2f7bca550 493 }
Azure.IoT Build 0:6ae2f7bca550 494 }
Azure.IoT Build 0:6ae2f7bca550 495
Azure.IoT Build 0:6ae2f7bca550 496 disposition_destroy(disposition);
Azure.IoT Build 0:6ae2f7bca550 497 }
Azure.IoT Build 0:6ae2f7bca550 498 }
Azure.IoT Build 0:6ae2f7bca550 499 else if (is_detach_type_by_descriptor(descriptor))
Azure.IoT Build 0:6ae2f7bca550 500 {
AzureIoTClient 1:eab586236bfe 501 DETACH_HANDLE detach;
AzureIoTClient 1:eab586236bfe 502
AzureIoTClient 1:eab586236bfe 503 /* Set link state appropriately based on whether we received detach condition */
AzureIoTClient 1:eab586236bfe 504 if (amqpvalue_get_detach(performative, &detach) == 0)
AzureIoTClient 1:eab586236bfe 505 {
AzureIoTClient 12:b30dacf113f2 506 bool closed = false;
AzureIoTClient 1:eab586236bfe 507 ERROR_HANDLE error;
AzureIoTClient 19:000ab4e6a2c1 508
AzureIoTClient 19:000ab4e6a2c1 509 /* Received a detach while attached */
AzureIoTClient 19:000ab4e6a2c1 510 if (link_instance->link_state == LINK_STATE_ATTACHED)
AzureIoTClient 19:000ab4e6a2c1 511 {
AzureIoTClient 19:000ab4e6a2c1 512 /* Respond with ack */
AzureIoTClient 19:000ab4e6a2c1 513 (void)send_detach(link_instance, closed, NULL);
AzureIoTClient 19:000ab4e6a2c1 514 }
AzureIoTClient 19:000ab4e6a2c1 515
AzureIoTClient 19:000ab4e6a2c1 516 /* Received a closing detach after we sent a non-closing detach. */
AzureIoTClient 19:000ab4e6a2c1 517 else if (closed &&
AzureIoTClient 19:000ab4e6a2c1 518 (link_instance->link_state == LINK_STATE_HALF_ATTACHED) &&
AzureIoTClient 19:000ab4e6a2c1 519 !link_instance->is_closed)
AzureIoTClient 19:000ab4e6a2c1 520 {
AzureIoTClient 19:000ab4e6a2c1 521
AzureIoTClient 19:000ab4e6a2c1 522 /* In this case, we MUST signal that we closed by reattaching and then sending a closing detach.*/
AzureIoTClient 19:000ab4e6a2c1 523 (void)send_attach(link_instance, link_instance->name, 0, link_instance->role);
AzureIoTClient 19:000ab4e6a2c1 524 (void)send_detach(link_instance, true, NULL);
AzureIoTClient 19:000ab4e6a2c1 525 }
AzureIoTClient 19:000ab4e6a2c1 526
AzureIoTClient 1:eab586236bfe 527 if (detach_get_error(detach, &error) == 0)
AzureIoTClient 1:eab586236bfe 528 {
AzureIoTClient 1:eab586236bfe 529 error_destroy(error);
AzureIoTClient 1:eab586236bfe 530
AzureIoTClient 1:eab586236bfe 531 set_link_state(link_instance, LINK_STATE_ERROR);
AzureIoTClient 1:eab586236bfe 532 }
AzureIoTClient 12:b30dacf113f2 533 else
AzureIoTClient 1:eab586236bfe 534 {
AzureIoTClient 12:b30dacf113f2 535 (void)detach_get_closed(detach, &closed);
AzureIoTClient 12:b30dacf113f2 536
AzureIoTClient 1:eab586236bfe 537 set_link_state(link_instance, LINK_STATE_DETACHED);
AzureIoTClient 1:eab586236bfe 538 }
AzureIoTClient 12:b30dacf113f2 539
AzureIoTClient 12:b30dacf113f2 540 detach_destroy(detach);
AzureIoTClient 1:eab586236bfe 541 }
AzureIoTClient 1:eab586236bfe 542 }
Azure.IoT Build 0:6ae2f7bca550 543 }
Azure.IoT Build 0:6ae2f7bca550 544
Azure.IoT Build 0:6ae2f7bca550 545 static void on_session_state_changed(void* context, SESSION_STATE new_session_state, SESSION_STATE previous_session_state)
Azure.IoT Build 0:6ae2f7bca550 546 {
Azure.IoT Build 0:6ae2f7bca550 547 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)context;
AzureIoTClient 6:641a9672db08 548 (void)previous_session_state;
Azure.IoT Build 0:6ae2f7bca550 549
Azure.IoT Build 0:6ae2f7bca550 550 if (new_session_state == SESSION_STATE_MAPPED)
Azure.IoT Build 0:6ae2f7bca550 551 {
AzureIoTClient 12:b30dacf113f2 552 if ((link_instance->link_state == LINK_STATE_DETACHED) && (!link_instance->is_closed))
Azure.IoT Build 0:6ae2f7bca550 553 {
Azure.IoT Build 0:6ae2f7bca550 554 if (send_attach(link_instance, link_instance->name, 0, link_instance->role) == 0)
Azure.IoT Build 0:6ae2f7bca550 555 {
Azure.IoT Build 0:6ae2f7bca550 556 set_link_state(link_instance, LINK_STATE_HALF_ATTACHED);
Azure.IoT Build 0:6ae2f7bca550 557 }
Azure.IoT Build 0:6ae2f7bca550 558 }
Azure.IoT Build 0:6ae2f7bca550 559 }
Azure.IoT Build 0:6ae2f7bca550 560 else if (new_session_state == SESSION_STATE_DISCARDING)
Azure.IoT Build 0:6ae2f7bca550 561 {
AzureIoTClient 21:f9c433d8e6ca 562 remove_all_pending_deliveries(link_instance, true);
Azure.IoT Build 0:6ae2f7bca550 563 set_link_state(link_instance, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 564 }
AzureIoTClient 1:eab586236bfe 565 else if (new_session_state == SESSION_STATE_ERROR)
AzureIoTClient 1:eab586236bfe 566 {
AzureIoTClient 21:f9c433d8e6ca 567 remove_all_pending_deliveries(link_instance, true);
AzureIoTClient 1:eab586236bfe 568 set_link_state(link_instance, LINK_STATE_ERROR);
AzureIoTClient 1:eab586236bfe 569 }
Azure.IoT Build 0:6ae2f7bca550 570 }
Azure.IoT Build 0:6ae2f7bca550 571
Azure.IoT Build 0:6ae2f7bca550 572 static void on_session_flow_on(void* context)
Azure.IoT Build 0:6ae2f7bca550 573 {
Azure.IoT Build 0:6ae2f7bca550 574 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)context;
Azure.IoT Build 0:6ae2f7bca550 575 if (link_instance->role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 576 {
Azure.IoT Build 0:6ae2f7bca550 577 link_instance->on_link_flow_on(link_instance->callback_context);
Azure.IoT Build 0:6ae2f7bca550 578 }
Azure.IoT Build 0:6ae2f7bca550 579 }
Azure.IoT Build 0:6ae2f7bca550 580
Azure.IoT Build 0:6ae2f7bca550 581 static void on_send_complete(void* context, IO_SEND_RESULT send_result)
Azure.IoT Build 0:6ae2f7bca550 582 {
Azure.IoT Build 0:6ae2f7bca550 583 LIST_ITEM_HANDLE delivery_instance_list_item = (LIST_ITEM_HANDLE)context;
AzureIoTClient 12:b30dacf113f2 584 DELIVERY_INSTANCE* delivery_instance = (DELIVERY_INSTANCE*)singlylinkedlist_item_get_value(delivery_instance_list_item);
Azure.IoT Build 0:6ae2f7bca550 585 LINK_INSTANCE* link_instance = (LINK_INSTANCE*)delivery_instance->link;
AzureIoTClient 6:641a9672db08 586 (void)send_result;
Azure.IoT Build 0:6ae2f7bca550 587 if (link_instance->snd_settle_mode == sender_settle_mode_settled)
Azure.IoT Build 0:6ae2f7bca550 588 {
AzureIoTClient 7:9e9ab3b0efef 589 delivery_instance->on_delivery_settled(delivery_instance->callback_context, delivery_instance->delivery_id, NULL);
AzureIoTClient 21:f9c433d8e6ca 590 free(delivery_instance);
AzureIoTClient 12:b30dacf113f2 591 (void)singlylinkedlist_remove(link_instance->pending_deliveries, delivery_instance_list_item);
Azure.IoT Build 0:6ae2f7bca550 592 }
Azure.IoT Build 0:6ae2f7bca550 593 }
Azure.IoT Build 0:6ae2f7bca550 594
Azure.IoT Build 0:6ae2f7bca550 595 LINK_HANDLE link_create(SESSION_HANDLE session, const char* name, role role, AMQP_VALUE source, AMQP_VALUE target)
Azure.IoT Build 0:6ae2f7bca550 596 {
AzureIoTClient 21:f9c433d8e6ca 597 LINK_INSTANCE* result = malloc(sizeof(LINK_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 598 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 599 {
Azure.IoT Build 0:6ae2f7bca550 600 result->link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 601 result->previous_link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 602 result->role = role;
Azure.IoT Build 0:6ae2f7bca550 603 result->source = amqpvalue_clone(source);
Azure.IoT Build 0:6ae2f7bca550 604 result->target = amqpvalue_clone(target);
Azure.IoT Build 0:6ae2f7bca550 605 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 606 result->handle = 0;
Azure.IoT Build 0:6ae2f7bca550 607 result->snd_settle_mode = sender_settle_mode_unsettled;
Azure.IoT Build 0:6ae2f7bca550 608 result->rcv_settle_mode = receiver_settle_mode_first;
Azure.IoT Build 0:6ae2f7bca550 609 result->delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 610 result->initial_delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 611 result->max_message_size = 0;
AzureIoTClient 12:b30dacf113f2 612 result->is_underlying_session_begun = false;
AzureIoTClient 12:b30dacf113f2 613 result->is_closed = false;
Azure.IoT Build 0:6ae2f7bca550 614 result->attach_properties = NULL;
AzureIoTClient 12:b30dacf113f2 615 result->received_payload = NULL;
AzureIoTClient 12:b30dacf113f2 616 result->received_payload_size = 0;
AzureIoTClient 12:b30dacf113f2 617 result->received_delivery_id = 0;
Azure.IoT Build 0:6ae2f7bca550 618
AzureIoTClient 12:b30dacf113f2 619 result->pending_deliveries = singlylinkedlist_create();
Azure.IoT Build 0:6ae2f7bca550 620 if (result->pending_deliveries == NULL)
Azure.IoT Build 0:6ae2f7bca550 621 {
AzureIoTClient 21:f9c433d8e6ca 622 free(result);
Azure.IoT Build 0:6ae2f7bca550 623 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 624 }
Azure.IoT Build 0:6ae2f7bca550 625 else
Azure.IoT Build 0:6ae2f7bca550 626 {
AzureIoTClient 21:f9c433d8e6ca 627 result->name = malloc(strlen(name) + 1);
Azure.IoT Build 0:6ae2f7bca550 628 if (result->name == NULL)
Azure.IoT Build 0:6ae2f7bca550 629 {
AzureIoTClient 12:b30dacf113f2 630 singlylinkedlist_destroy(result->pending_deliveries);
AzureIoTClient 21:f9c433d8e6ca 631 free(result);
Azure.IoT Build 0:6ae2f7bca550 632 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 633 }
Azure.IoT Build 0:6ae2f7bca550 634 else
Azure.IoT Build 0:6ae2f7bca550 635 {
Azure.IoT Build 0:6ae2f7bca550 636 result->on_link_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 637 result->callback_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 638 set_link_state(result, LINK_STATE_DETACHED);
Azure.IoT Build 0:6ae2f7bca550 639
Azure.IoT Build 0:6ae2f7bca550 640 (void)strcpy(result->name, name);
Azure.IoT Build 0:6ae2f7bca550 641 result->link_endpoint = session_create_link_endpoint(session, name);
Azure.IoT Build 0:6ae2f7bca550 642 if (result->link_endpoint == NULL)
Azure.IoT Build 0:6ae2f7bca550 643 {
AzureIoTClient 12:b30dacf113f2 644 singlylinkedlist_destroy(result->pending_deliveries);
AzureIoTClient 21:f9c433d8e6ca 645 free(result->name);
AzureIoTClient 21:f9c433d8e6ca 646 free(result);
Azure.IoT Build 0:6ae2f7bca550 647 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 648 }
Azure.IoT Build 0:6ae2f7bca550 649 }
Azure.IoT Build 0:6ae2f7bca550 650 }
Azure.IoT Build 0:6ae2f7bca550 651 }
Azure.IoT Build 0:6ae2f7bca550 652
Azure.IoT Build 0:6ae2f7bca550 653 return result;
Azure.IoT Build 0:6ae2f7bca550 654 }
Azure.IoT Build 0:6ae2f7bca550 655
Azure.IoT Build 0:6ae2f7bca550 656 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 657 {
AzureIoTClient 21:f9c433d8e6ca 658 LINK_INSTANCE* result = malloc(sizeof(LINK_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 659 if (result != NULL)
Azure.IoT Build 0:6ae2f7bca550 660 {
Azure.IoT Build 0:6ae2f7bca550 661 result->link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 662 result->previous_link_state = LINK_STATE_DETACHED;
Azure.IoT Build 0:6ae2f7bca550 663 result->session = session;
Azure.IoT Build 0:6ae2f7bca550 664 result->handle = 0;
Azure.IoT Build 0:6ae2f7bca550 665 result->snd_settle_mode = sender_settle_mode_unsettled;
Azure.IoT Build 0:6ae2f7bca550 666 result->rcv_settle_mode = receiver_settle_mode_first;
Azure.IoT Build 0:6ae2f7bca550 667 result->delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 668 result->initial_delivery_count = 0;
Azure.IoT Build 0:6ae2f7bca550 669 result->max_message_size = 0;
AzureIoTClient 12:b30dacf113f2 670 result->is_underlying_session_begun = false;
AzureIoTClient 12:b30dacf113f2 671 result->is_closed = false;
Azure.IoT Build 0:6ae2f7bca550 672 result->attach_properties = NULL;
AzureIoTClient 12:b30dacf113f2 673 result->received_payload = NULL;
AzureIoTClient 12:b30dacf113f2 674 result->received_payload_size = 0;
AzureIoTClient 12:b30dacf113f2 675 result->received_delivery_id = 0;
Azure.IoT Build 0:6ae2f7bca550 676 result->source = amqpvalue_clone(target);
Azure.IoT Build 0:6ae2f7bca550 677 result->target = amqpvalue_clone(source);
Azure.IoT Build 0:6ae2f7bca550 678 if (role == role_sender)
Azure.IoT Build 0:6ae2f7bca550 679 {
Azure.IoT Build 0:6ae2f7bca550 680 result->role = role_receiver;
Azure.IoT Build 0:6ae2f7bca550 681 }
Azure.IoT Build 0:6ae2f7bca550 682 else
Azure.IoT Build 0:6ae2f7bca550 683 {
Azure.IoT Build 0:6ae2f7bca550 684 result->role = role_sender;
Azure.IoT Build 0:6ae2f7bca550 685 }
Azure.IoT Build 0:6ae2f7bca550 686
AzureIoTClient 12:b30dacf113f2 687 result->pending_deliveries = singlylinkedlist_create();
Azure.IoT Build 0:6ae2f7bca550 688 if (result->pending_deliveries == NULL)
Azure.IoT Build 0:6ae2f7bca550 689 {
AzureIoTClient 21:f9c433d8e6ca 690 free(result);
Azure.IoT Build 0:6ae2f7bca550 691 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 692 }
Azure.IoT Build 0:6ae2f7bca550 693 else
Azure.IoT Build 0:6ae2f7bca550 694 {
AzureIoTClient 21:f9c433d8e6ca 695 result->name = malloc(strlen(name) + 1);
Azure.IoT Build 0:6ae2f7bca550 696 if (result->name == NULL)
Azure.IoT Build 0:6ae2f7bca550 697 {
AzureIoTClient 12:b30dacf113f2 698 singlylinkedlist_destroy(result->pending_deliveries);
AzureIoTClient 21:f9c433d8e6ca 699 free(result);
Azure.IoT Build 0:6ae2f7bca550 700 result = NULL;
Azure.IoT Build 0:6ae2f7bca550 701 }
Azure.IoT Build 0:6ae2f7bca550 702 else
Azure.IoT Build 0:6ae2f7bca550 703 {
Azure.IoT Build 0:6ae2f7bca550 704 (void)strcpy(result->name, name);
Azure.IoT Build 0:6ae2f7bca550 705 result->on_link_state_changed = NULL;
Azure.IoT Build 0:6ae2f7bca550 706 result->callback_context = NULL;
Azure.IoT Build 0:6ae2f7bca550 707 result->link_endpoint = link_endpoint;
Azure.IoT Build 0:6ae2f7bca550 708 }
Azure.IoT Build 0:6ae2f7bca550 709 }
Azure.IoT Build 0:6ae2f7bca550 710 }
Azure.IoT Build 0:6ae2f7bca550 711
Azure.IoT Build 0:6ae2f7bca550 712 return result;
Azure.IoT Build 0:6ae2f7bca550 713 }
Azure.IoT Build 0:6ae2f7bca550 714
Azure.IoT Build 0:6ae2f7bca550 715 void link_destroy(LINK_HANDLE link)
Azure.IoT Build 0:6ae2f7bca550 716 {
Azure.IoT Build 0:6ae2f7bca550 717 if (link != NULL)
Azure.IoT Build 0:6ae2f7bca550 718 {
AzureIoTClient 21:f9c433d8e6ca 719 remove_all_pending_deliveries((LINK_INSTANCE*)link, false);
AzureIoTClient 21:f9c433d8e6ca 720
AzureIoTClient 12:b30dacf113f2 721 link->on_link_state_changed = NULL;
AzureIoTClient 12:b30dacf113f2 722 (void)link_detach(link, true);
AzureIoTClient 12:b30dacf113f2 723 session_destroy_link_endpoint(link->link_endpoint);
Azure.IoT Build 0:6ae2f7bca550 724 amqpvalue_destroy(link->source);
Azure.IoT Build 0:6ae2f7bca550 725 amqpvalue_destroy(link->target);
Azure.IoT Build 0:6ae2f7bca550 726
Azure.IoT Build 0:6ae2f7bca550 727 if (link->name != NULL)
Azure.IoT Build 0:6ae2f7bca550 728 {
AzureIoTClient 21:f9c433d8e6ca 729 free(link->name);
Azure.IoT Build 0:6ae2f7bca550 730 }
Azure.IoT Build 0:6ae2f7bca550 731
AzureIoTClient 3:96522ba2ddf8 732 if (link->attach_properties != NULL)
Azure.IoT Build 0:6ae2f7bca550 733 {
AzureIoTClient 3:96522ba2ddf8 734 amqpvalue_destroy(link->attach_properties);
Azure.IoT Build 0:6ae2f7bca550 735 }
Azure.IoT Build 0:6ae2f7bca550 736
AzureIoTClient 12:b30dacf113f2 737 if (link->received_payload != NULL)
AzureIoTClient 12:b30dacf113f2 738 {
AzureIoTClient 12:b30dacf113f2 739 free(link->received_payload);
AzureIoTClient 12:b30dacf113f2 740 }
AzureIoTClient 12:b30dacf113f2 741
AzureIoTClient 21:f9c433d8e6ca 742 free(link);
Azure.IoT Build 0:6ae2f7bca550 743 }
Azure.IoT Build 0:6ae2f7bca550 744 }
Azure.IoT Build 0:6ae2f7bca550 745
Azure.IoT Build 0:6ae2f7bca550 746 int link_set_snd_settle_mode(LINK_HANDLE link, sender_settle_mode snd_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 747 {
Azure.IoT Build 0:6ae2f7bca550 748 int result;
Azure.IoT Build 0:6ae2f7bca550 749
Azure.IoT Build 0:6ae2f7bca550 750 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 751 {
AzureIoTClient 19:000ab4e6a2c1 752 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 753 }
Azure.IoT Build 0:6ae2f7bca550 754 else
Azure.IoT Build 0:6ae2f7bca550 755 {
Azure.IoT Build 0:6ae2f7bca550 756 link->snd_settle_mode = snd_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 757 result = 0;
Azure.IoT Build 0:6ae2f7bca550 758 }
Azure.IoT Build 0:6ae2f7bca550 759
Azure.IoT Build 0:6ae2f7bca550 760 return result;
Azure.IoT Build 0:6ae2f7bca550 761 }
Azure.IoT Build 0:6ae2f7bca550 762
Azure.IoT Build 0:6ae2f7bca550 763 int link_get_snd_settle_mode(LINK_HANDLE link, sender_settle_mode* snd_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 764 {
Azure.IoT Build 0:6ae2f7bca550 765 int result;
Azure.IoT Build 0:6ae2f7bca550 766
Azure.IoT Build 0:6ae2f7bca550 767 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 768 (snd_settle_mode == NULL))
Azure.IoT Build 0:6ae2f7bca550 769 {
AzureIoTClient 19:000ab4e6a2c1 770 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 771 }
Azure.IoT Build 0:6ae2f7bca550 772 else
Azure.IoT Build 0:6ae2f7bca550 773 {
Azure.IoT Build 0:6ae2f7bca550 774 *snd_settle_mode = link->snd_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 775
Azure.IoT Build 0:6ae2f7bca550 776 result = 0;
Azure.IoT Build 0:6ae2f7bca550 777 }
Azure.IoT Build 0:6ae2f7bca550 778
Azure.IoT Build 0:6ae2f7bca550 779 return result;
Azure.IoT Build 0:6ae2f7bca550 780 }
Azure.IoT Build 0:6ae2f7bca550 781
Azure.IoT Build 0:6ae2f7bca550 782 int link_set_rcv_settle_mode(LINK_HANDLE link, receiver_settle_mode rcv_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 783 {
Azure.IoT Build 0:6ae2f7bca550 784 int result;
Azure.IoT Build 0:6ae2f7bca550 785
Azure.IoT Build 0:6ae2f7bca550 786 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 787 {
AzureIoTClient 19:000ab4e6a2c1 788 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 789 }
Azure.IoT Build 0:6ae2f7bca550 790 else
Azure.IoT Build 0:6ae2f7bca550 791 {
Azure.IoT Build 0:6ae2f7bca550 792 link->rcv_settle_mode = rcv_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 793 result = 0;
Azure.IoT Build 0:6ae2f7bca550 794 }
Azure.IoT Build 0:6ae2f7bca550 795
Azure.IoT Build 0:6ae2f7bca550 796 return result;
Azure.IoT Build 0:6ae2f7bca550 797 }
Azure.IoT Build 0:6ae2f7bca550 798
Azure.IoT Build 0:6ae2f7bca550 799 int link_get_rcv_settle_mode(LINK_HANDLE link, receiver_settle_mode* rcv_settle_mode)
Azure.IoT Build 0:6ae2f7bca550 800 {
Azure.IoT Build 0:6ae2f7bca550 801 int result;
Azure.IoT Build 0:6ae2f7bca550 802
Azure.IoT Build 0:6ae2f7bca550 803 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 804 (rcv_settle_mode == NULL))
Azure.IoT Build 0:6ae2f7bca550 805 {
AzureIoTClient 19:000ab4e6a2c1 806 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 807 }
Azure.IoT Build 0:6ae2f7bca550 808 else
Azure.IoT Build 0:6ae2f7bca550 809 {
Azure.IoT Build 0:6ae2f7bca550 810 *rcv_settle_mode = link->rcv_settle_mode;
Azure.IoT Build 0:6ae2f7bca550 811 result = 0;
Azure.IoT Build 0:6ae2f7bca550 812 }
Azure.IoT Build 0:6ae2f7bca550 813
Azure.IoT Build 0:6ae2f7bca550 814 return result;
Azure.IoT Build 0:6ae2f7bca550 815 }
Azure.IoT Build 0:6ae2f7bca550 816
Azure.IoT Build 0:6ae2f7bca550 817 int link_set_initial_delivery_count(LINK_HANDLE link, sequence_no initial_delivery_count)
Azure.IoT Build 0:6ae2f7bca550 818 {
Azure.IoT Build 0:6ae2f7bca550 819 int result;
Azure.IoT Build 0:6ae2f7bca550 820
Azure.IoT Build 0:6ae2f7bca550 821 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 822 {
AzureIoTClient 19:000ab4e6a2c1 823 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 824 }
Azure.IoT Build 0:6ae2f7bca550 825 else
Azure.IoT Build 0:6ae2f7bca550 826 {
Azure.IoT Build 0:6ae2f7bca550 827 link->initial_delivery_count = initial_delivery_count;
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 return result;
Azure.IoT Build 0:6ae2f7bca550 832 }
Azure.IoT Build 0:6ae2f7bca550 833
Azure.IoT Build 0:6ae2f7bca550 834 int link_get_initial_delivery_count(LINK_HANDLE link, sequence_no* initial_delivery_count)
Azure.IoT Build 0:6ae2f7bca550 835 {
Azure.IoT Build 0:6ae2f7bca550 836 int result;
Azure.IoT Build 0:6ae2f7bca550 837
Azure.IoT Build 0:6ae2f7bca550 838 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 839 (initial_delivery_count == NULL))
Azure.IoT Build 0:6ae2f7bca550 840 {
AzureIoTClient 19:000ab4e6a2c1 841 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 842 }
Azure.IoT Build 0:6ae2f7bca550 843 else
Azure.IoT Build 0:6ae2f7bca550 844 {
Azure.IoT Build 0:6ae2f7bca550 845 *initial_delivery_count = link->initial_delivery_count;
Azure.IoT Build 0:6ae2f7bca550 846 result = 0;
Azure.IoT Build 0:6ae2f7bca550 847 }
Azure.IoT Build 0:6ae2f7bca550 848
Azure.IoT Build 0:6ae2f7bca550 849 return result;
Azure.IoT Build 0:6ae2f7bca550 850 }
Azure.IoT Build 0:6ae2f7bca550 851
Azure.IoT Build 0:6ae2f7bca550 852 int link_set_max_message_size(LINK_HANDLE link, uint64_t max_message_size)
Azure.IoT Build 0:6ae2f7bca550 853 {
Azure.IoT Build 0:6ae2f7bca550 854 int result;
Azure.IoT Build 0:6ae2f7bca550 855
Azure.IoT Build 0:6ae2f7bca550 856 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 857 {
AzureIoTClient 19:000ab4e6a2c1 858 result = __FAILURE__;
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 link->max_message_size = max_message_size;
Azure.IoT Build 0:6ae2f7bca550 863 result = 0;
Azure.IoT Build 0:6ae2f7bca550 864 }
Azure.IoT Build 0:6ae2f7bca550 865
Azure.IoT Build 0:6ae2f7bca550 866 return result;
Azure.IoT Build 0:6ae2f7bca550 867 }
Azure.IoT Build 0:6ae2f7bca550 868
Azure.IoT Build 0:6ae2f7bca550 869 int link_get_max_message_size(LINK_HANDLE link, uint64_t* max_message_size)
Azure.IoT Build 0:6ae2f7bca550 870 {
Azure.IoT Build 0:6ae2f7bca550 871 int result;
Azure.IoT Build 0:6ae2f7bca550 872
Azure.IoT Build 0:6ae2f7bca550 873 if ((link == NULL) ||
Azure.IoT Build 0:6ae2f7bca550 874 (max_message_size == NULL))
Azure.IoT Build 0:6ae2f7bca550 875 {
AzureIoTClient 19:000ab4e6a2c1 876 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 877 }
Azure.IoT Build 0:6ae2f7bca550 878 else
Azure.IoT Build 0:6ae2f7bca550 879 {
Azure.IoT Build 0:6ae2f7bca550 880 *max_message_size = link->max_message_size;
Azure.IoT Build 0:6ae2f7bca550 881 result = 0;
Azure.IoT Build 0:6ae2f7bca550 882 }
Azure.IoT Build 0:6ae2f7bca550 883
Azure.IoT Build 0:6ae2f7bca550 884 return result;
Azure.IoT Build 0:6ae2f7bca550 885 }
Azure.IoT Build 0:6ae2f7bca550 886
Azure.IoT Build 0:6ae2f7bca550 887 int link_set_attach_properties(LINK_HANDLE link, fields attach_properties)
Azure.IoT Build 0:6ae2f7bca550 888 {
Azure.IoT Build 0:6ae2f7bca550 889 int result;
Azure.IoT Build 0:6ae2f7bca550 890
Azure.IoT Build 0:6ae2f7bca550 891 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 892 {
AzureIoTClient 19:000ab4e6a2c1 893 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 894 }
Azure.IoT Build 0:6ae2f7bca550 895 else
Azure.IoT Build 0:6ae2f7bca550 896 {
Azure.IoT Build 0:6ae2f7bca550 897 link->attach_properties = amqpvalue_clone(attach_properties);
Azure.IoT Build 0:6ae2f7bca550 898 if (link->attach_properties == NULL)
Azure.IoT Build 0:6ae2f7bca550 899 {
AzureIoTClient 19:000ab4e6a2c1 900 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 901 }
Azure.IoT Build 0:6ae2f7bca550 902 else
Azure.IoT Build 0:6ae2f7bca550 903 {
Azure.IoT Build 0:6ae2f7bca550 904 result = 0;
Azure.IoT Build 0:6ae2f7bca550 905 }
Azure.IoT Build 0:6ae2f7bca550 906 }
Azure.IoT Build 0:6ae2f7bca550 907
Azure.IoT Build 0:6ae2f7bca550 908 return result;
Azure.IoT Build 0:6ae2f7bca550 909 }
Azure.IoT Build 0:6ae2f7bca550 910
Azure.IoT Build 0:6ae2f7bca550 911 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 912 {
Azure.IoT Build 0:6ae2f7bca550 913 int result;
Azure.IoT Build 0:6ae2f7bca550 914
AzureIoTClient 12:b30dacf113f2 915 if ((link == NULL) ||
AzureIoTClient 12:b30dacf113f2 916 (link->is_closed))
Azure.IoT Build 0:6ae2f7bca550 917 {
AzureIoTClient 19:000ab4e6a2c1 918 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 919 }
Azure.IoT Build 0:6ae2f7bca550 920 else
Azure.IoT Build 0:6ae2f7bca550 921 {
Azure.IoT Build 0:6ae2f7bca550 922 if (!link->is_underlying_session_begun)
Azure.IoT Build 0:6ae2f7bca550 923 {
Azure.IoT Build 0:6ae2f7bca550 924 link->on_link_state_changed = on_link_state_changed;
Azure.IoT Build 0:6ae2f7bca550 925 link->on_transfer_received = on_transfer_received;
Azure.IoT Build 0:6ae2f7bca550 926 link->on_link_flow_on = on_link_flow_on;
Azure.IoT Build 0:6ae2f7bca550 927 link->callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 928
Azure.IoT Build 0:6ae2f7bca550 929 if (session_begin(link->session) != 0)
Azure.IoT Build 0:6ae2f7bca550 930 {
AzureIoTClient 19:000ab4e6a2c1 931 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 932 }
Azure.IoT Build 0:6ae2f7bca550 933 else
Azure.IoT Build 0:6ae2f7bca550 934 {
AzureIoTClient 12:b30dacf113f2 935 link->is_underlying_session_begun = true;
Azure.IoT Build 0:6ae2f7bca550 936
Azure.IoT Build 0:6ae2f7bca550 937 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 938 {
AzureIoTClient 19:000ab4e6a2c1 939 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 940 }
Azure.IoT Build 0:6ae2f7bca550 941 else
Azure.IoT Build 0:6ae2f7bca550 942 {
AzureIoTClient 12:b30dacf113f2 943 link->received_payload_size = 0;
AzureIoTClient 12:b30dacf113f2 944
Azure.IoT Build 0:6ae2f7bca550 945 result = 0;
Azure.IoT Build 0:6ae2f7bca550 946 }
Azure.IoT Build 0:6ae2f7bca550 947 }
Azure.IoT Build 0:6ae2f7bca550 948 }
Azure.IoT Build 0:6ae2f7bca550 949 else
Azure.IoT Build 0:6ae2f7bca550 950 {
Azure.IoT Build 0:6ae2f7bca550 951 result = 0;
Azure.IoT Build 0:6ae2f7bca550 952 }
Azure.IoT Build 0:6ae2f7bca550 953 }
Azure.IoT Build 0:6ae2f7bca550 954
Azure.IoT Build 0:6ae2f7bca550 955 return result;
Azure.IoT Build 0:6ae2f7bca550 956 }
Azure.IoT Build 0:6ae2f7bca550 957
AzureIoTClient 12:b30dacf113f2 958 int link_detach(LINK_HANDLE link, bool close)
Azure.IoT Build 0:6ae2f7bca550 959 {
Azure.IoT Build 0:6ae2f7bca550 960 int result;
Azure.IoT Build 0:6ae2f7bca550 961
AzureIoTClient 12:b30dacf113f2 962 if ((link == NULL) ||
AzureIoTClient 12:b30dacf113f2 963 (link->is_closed))
AzureIoTClient 12:b30dacf113f2 964 {
AzureIoTClient 19:000ab4e6a2c1 965 result = __FAILURE__;
Azure.IoT Build 0:6ae2f7bca550 966 }
Azure.IoT Build 0:6ae2f7bca550 967 else
Azure.IoT Build 0:6ae2f7bca550 968 {
AzureIoTClient 12:b30dacf113f2 969 switch (link->link_state)
AzureIoTClient 12:b30dacf113f2 970 {
AzureIoTClient 12:b30dacf113f2 971
AzureIoTClient 12:b30dacf113f2 972 case LINK_STATE_HALF_ATTACHED:
AzureIoTClient 12:b30dacf113f2 973 /* Sending detach when remote is not yet attached */
AzureIoTClient 12:b30dacf113f2 974 if (send_detach(link, close, NULL) != 0)
AzureIoTClient 12:b30dacf113f2 975 {
AzureIoTClient 19:000ab4e6a2c1 976 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 977 }
AzureIoTClient 12:b30dacf113f2 978 else
AzureIoTClient 12:b30dacf113f2 979 {
AzureIoTClient 12:b30dacf113f2 980 set_link_state(link, LINK_STATE_DETACHED);
AzureIoTClient 12:b30dacf113f2 981 result = 0;
AzureIoTClient 12:b30dacf113f2 982 }
AzureIoTClient 12:b30dacf113f2 983 break;
AzureIoTClient 12:b30dacf113f2 984
AzureIoTClient 12:b30dacf113f2 985 case LINK_STATE_ATTACHED:
AzureIoTClient 12:b30dacf113f2 986 /* Send detach and wait for remote to respond */
AzureIoTClient 12:b30dacf113f2 987 if (send_detach(link, close, NULL) != 0)
AzureIoTClient 12:b30dacf113f2 988 {
AzureIoTClient 19:000ab4e6a2c1 989 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 990 }
AzureIoTClient 12:b30dacf113f2 991 else
AzureIoTClient 12:b30dacf113f2 992 {
AzureIoTClient 12:b30dacf113f2 993 set_link_state(link, LINK_STATE_HALF_ATTACHED);
AzureIoTClient 12:b30dacf113f2 994 result = 0;
AzureIoTClient 12:b30dacf113f2 995 }
AzureIoTClient 12:b30dacf113f2 996 break;
AzureIoTClient 12:b30dacf113f2 997
AzureIoTClient 12:b30dacf113f2 998 case LINK_STATE_DETACHED:
AzureIoTClient 12:b30dacf113f2 999 /* Already detached */
AzureIoTClient 12:b30dacf113f2 1000 result = 0;
AzureIoTClient 12:b30dacf113f2 1001 break;
AzureIoTClient 12:b30dacf113f2 1002
AzureIoTClient 12:b30dacf113f2 1003 default:
AzureIoTClient 12:b30dacf113f2 1004 case LINK_STATE_ERROR:
AzureIoTClient 12:b30dacf113f2 1005 /* Already detached and in error state */
AzureIoTClient 19:000ab4e6a2c1 1006 result = __FAILURE__;
AzureIoTClient 12:b30dacf113f2 1007 break;
AzureIoTClient 12:b30dacf113f2 1008 }
Azure.IoT Build 0:6ae2f7bca550 1009 }
Azure.IoT Build 0:6ae2f7bca550 1010
Azure.IoT Build 0:6ae2f7bca550 1011 return result;
Azure.IoT Build 0:6ae2f7bca550 1012 }
Azure.IoT Build 0:6ae2f7bca550 1013
Azure.IoT Build 0:6ae2f7bca550 1014 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 1015 {
Azure.IoT Build 0:6ae2f7bca550 1016 LINK_TRANSFER_RESULT result;
Azure.IoT Build 0:6ae2f7bca550 1017
Azure.IoT Build 0:6ae2f7bca550 1018 if (link == NULL)
Azure.IoT Build 0:6ae2f7bca550 1019 {
Azure.IoT Build 0:6ae2f7bca550 1020 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1021 }
Azure.IoT Build 0:6ae2f7bca550 1022 else
Azure.IoT Build 0:6ae2f7bca550 1023 {
AzureIoTClient 2:64b4feb67cd3 1024 if ((link->role != role_sender) ||
AzureIoTClient 7:9e9ab3b0efef 1025 (link->link_state != LINK_STATE_ATTACHED))
Azure.IoT Build 0:6ae2f7bca550 1026 {
Azure.IoT Build 0:6ae2f7bca550 1027 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1028 }
Azure.IoT Build 0:6ae2f7bca550 1029 else if (link->link_credit == 0)
Azure.IoT Build 0:6ae2f7bca550 1030 {
Azure.IoT Build 0:6ae2f7bca550 1031 result = LINK_TRANSFER_BUSY;
Azure.IoT Build 0:6ae2f7bca550 1032 }
Azure.IoT Build 0:6ae2f7bca550 1033 else
Azure.IoT Build 0:6ae2f7bca550 1034 {
Azure.IoT Build 0:6ae2f7bca550 1035 TRANSFER_HANDLE transfer = transfer_create(0);
Azure.IoT Build 0:6ae2f7bca550 1036 if (transfer == NULL)
Azure.IoT Build 0:6ae2f7bca550 1037 {
Azure.IoT Build 0:6ae2f7bca550 1038 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1039 }
Azure.IoT Build 0:6ae2f7bca550 1040 else
Azure.IoT Build 0:6ae2f7bca550 1041 {
AzureIoTClient 7:9e9ab3b0efef 1042 sequence_no delivery_count = link->delivery_count + 1;
AzureIoTClient 7:9e9ab3b0efef 1043 unsigned char delivery_tag_bytes[sizeof(delivery_count)];
Azure.IoT Build 0:6ae2f7bca550 1044 delivery_tag delivery_tag;
Azure.IoT Build 0:6ae2f7bca550 1045 bool settled;
Azure.IoT Build 0:6ae2f7bca550 1046
AzureIoTClient 7:9e9ab3b0efef 1047 (void)memcpy(delivery_tag_bytes, &delivery_count, sizeof(delivery_count));
Azure.IoT Build 0:6ae2f7bca550 1048
Azure.IoT Build 0:6ae2f7bca550 1049 delivery_tag.bytes = &delivery_tag_bytes;
Azure.IoT Build 0:6ae2f7bca550 1050 delivery_tag.length = sizeof(delivery_tag_bytes);
Azure.IoT Build 0:6ae2f7bca550 1051
Azure.IoT Build 0:6ae2f7bca550 1052 if (link->snd_settle_mode == sender_settle_mode_unsettled)
Azure.IoT Build 0:6ae2f7bca550 1053 {
Azure.IoT Build 0:6ae2f7bca550 1054 settled = false;
Azure.IoT Build 0:6ae2f7bca550 1055 }
Azure.IoT Build 0:6ae2f7bca550 1056 else
Azure.IoT Build 0:6ae2f7bca550 1057 {
Azure.IoT Build 0:6ae2f7bca550 1058 settled = true;
Azure.IoT Build 0:6ae2f7bca550 1059 }
Azure.IoT Build 0:6ae2f7bca550 1060
Azure.IoT Build 0:6ae2f7bca550 1061 if ((transfer_set_delivery_tag(transfer, delivery_tag) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1062 (transfer_set_message_format(transfer, message_format) != 0) ||
Azure.IoT Build 0:6ae2f7bca550 1063 (transfer_set_settled(transfer, settled) != 0))
Azure.IoT Build 0:6ae2f7bca550 1064 {
Azure.IoT Build 0:6ae2f7bca550 1065 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1066 }
Azure.IoT Build 0:6ae2f7bca550 1067 else
Azure.IoT Build 0:6ae2f7bca550 1068 {
Azure.IoT Build 0:6ae2f7bca550 1069 AMQP_VALUE transfer_value = amqpvalue_create_transfer(transfer);
Azure.IoT Build 0:6ae2f7bca550 1070
Azure.IoT Build 0:6ae2f7bca550 1071 if (transfer_value == NULL)
Azure.IoT Build 0:6ae2f7bca550 1072 {
Azure.IoT Build 0:6ae2f7bca550 1073 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1074 }
Azure.IoT Build 0:6ae2f7bca550 1075 else
Azure.IoT Build 0:6ae2f7bca550 1076 {
AzureIoTClient 21:f9c433d8e6ca 1077 DELIVERY_INSTANCE* pending_delivery = malloc(sizeof(DELIVERY_INSTANCE));
Azure.IoT Build 0:6ae2f7bca550 1078 if (pending_delivery == NULL)
Azure.IoT Build 0:6ae2f7bca550 1079 {
Azure.IoT Build 0:6ae2f7bca550 1080 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1081 }
Azure.IoT Build 0:6ae2f7bca550 1082 else
Azure.IoT Build 0:6ae2f7bca550 1083 {
Azure.IoT Build 0:6ae2f7bca550 1084 LIST_ITEM_HANDLE delivery_instance_list_item;
Azure.IoT Build 0:6ae2f7bca550 1085 pending_delivery->on_delivery_settled = on_delivery_settled;
Azure.IoT Build 0:6ae2f7bca550 1086 pending_delivery->callback_context = callback_context;
Azure.IoT Build 0:6ae2f7bca550 1087 pending_delivery->link = link;
AzureIoTClient 12:b30dacf113f2 1088 delivery_instance_list_item = singlylinkedlist_add(link->pending_deliveries, pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 1089
Azure.IoT Build 0:6ae2f7bca550 1090 if (delivery_instance_list_item == NULL)
Azure.IoT Build 0:6ae2f7bca550 1091 {
AzureIoTClient 21:f9c433d8e6ca 1092 free(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 1093 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1094 }
Azure.IoT Build 0:6ae2f7bca550 1095 else
Azure.IoT Build 0:6ae2f7bca550 1096 {
Azure.IoT Build 0:6ae2f7bca550 1097 /* here we should feed data to the transfer frame */
Azure.IoT Build 0:6ae2f7bca550 1098 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 1099 {
Azure.IoT Build 0:6ae2f7bca550 1100 default:
Azure.IoT Build 0:6ae2f7bca550 1101 case SESSION_SEND_TRANSFER_ERROR:
AzureIoTClient 12:b30dacf113f2 1102 singlylinkedlist_remove(link->pending_deliveries, delivery_instance_list_item);
AzureIoTClient 21:f9c433d8e6ca 1103 free(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 1104 result = LINK_TRANSFER_ERROR;
Azure.IoT Build 0:6ae2f7bca550 1105 break;
Azure.IoT Build 0:6ae2f7bca550 1106
Azure.IoT Build 0:6ae2f7bca550 1107 case SESSION_SEND_TRANSFER_BUSY:
AzureIoTClient 3:96522ba2ddf8 1108 /* Ensure we remove from list again since sender will attempt to transfer again on flow on */
AzureIoTClient 12:b30dacf113f2 1109 singlylinkedlist_remove(link->pending_deliveries, delivery_instance_list_item);
AzureIoTClient 21:f9c433d8e6ca 1110 free(pending_delivery);
Azure.IoT Build 0:6ae2f7bca550 1111 result = LINK_TRANSFER_BUSY;
Azure.IoT Build 0:6ae2f7bca550 1112 break;
Azure.IoT Build 0:6ae2f7bca550 1113
Azure.IoT Build 0:6ae2f7bca550 1114 case SESSION_SEND_TRANSFER_OK:
AzureIoTClient 7:9e9ab3b0efef 1115 link->delivery_count = delivery_count;
Azure.IoT Build 0:6ae2f7bca550 1116 link->link_credit--;
Azure.IoT Build 0:6ae2f7bca550 1117 result = LINK_TRANSFER_OK;
Azure.IoT Build 0:6ae2f7bca550 1118 break;
Azure.IoT Build 0:6ae2f7bca550 1119 }
Azure.IoT Build 0:6ae2f7bca550 1120 }
Azure.IoT Build 0:6ae2f7bca550 1121 }
Azure.IoT Build 0:6ae2f7bca550 1122
Azure.IoT Build 0:6ae2f7bca550 1123 amqpvalue_destroy(transfer_value);
Azure.IoT Build 0:6ae2f7bca550 1124 }
Azure.IoT Build 0:6ae2f7bca550 1125 }
Azure.IoT Build 0:6ae2f7bca550 1126
Azure.IoT Build 0:6ae2f7bca550 1127 transfer_destroy(transfer);
Azure.IoT Build 0:6ae2f7bca550 1128 }
Azure.IoT Build 0:6ae2f7bca550 1129 }
Azure.IoT Build 0:6ae2f7bca550 1130 }
Azure.IoT Build 0:6ae2f7bca550 1131
Azure.IoT Build 0:6ae2f7bca550 1132 return result;
Azure.IoT Build 0:6ae2f7bca550 1133 }
AzureIoTClient 20:206846c14c80 1134
AzureIoTClient 20:206846c14c80 1135 int link_get_name(LINK_HANDLE link, const char** link_name)
AzureIoTClient 20:206846c14c80 1136 {
AzureIoTClient 20:206846c14c80 1137 int result;
AzureIoTClient 20:206846c14c80 1138
AzureIoTClient 20:206846c14c80 1139 if (link == NULL)
AzureIoTClient 20:206846c14c80 1140 {
AzureIoTClient 20:206846c14c80 1141 result = __FAILURE__;
AzureIoTClient 20:206846c14c80 1142 }
AzureIoTClient 20:206846c14c80 1143 else
AzureIoTClient 20:206846c14c80 1144 {
AzureIoTClient 20:206846c14c80 1145 *link_name = link->name;
AzureIoTClient 20:206846c14c80 1146 result = 0;
AzureIoTClient 20:206846c14c80 1147 }
AzureIoTClient 20:206846c14c80 1148
AzureIoTClient 20:206846c14c80 1149 return result;
AzureIoTClient 20:206846c14c80 1150 }
AzureIoTClient 20:206846c14c80 1151
AzureIoTClient 20:206846c14c80 1152 int link_get_received_message_id(LINK_HANDLE link, delivery_number* message_id)
AzureIoTClient 20:206846c14c80 1153 {
AzureIoTClient 20:206846c14c80 1154 int result;
AzureIoTClient 20:206846c14c80 1155
AzureIoTClient 20:206846c14c80 1156 if (link == NULL)
AzureIoTClient 20:206846c14c80 1157 {
AzureIoTClient 20:206846c14c80 1158 result = __FAILURE__;
AzureIoTClient 20:206846c14c80 1159 }
AzureIoTClient 20:206846c14c80 1160 else
AzureIoTClient 20:206846c14c80 1161 {
AzureIoTClient 20:206846c14c80 1162 *message_id = link->received_delivery_id;
AzureIoTClient 20:206846c14c80 1163 result = 0;
AzureIoTClient 20:206846c14c80 1164 }
AzureIoTClient 20:206846c14c80 1165
AzureIoTClient 20:206846c14c80 1166 return result;
AzureIoTClient 20:206846c14c80 1167 }
AzureIoTClient 20:206846c14c80 1168
AzureIoTClient 20:206846c14c80 1169 int link_send_disposition(LINK_HANDLE link, delivery_number message_id, AMQP_VALUE delivery_state)
AzureIoTClient 20:206846c14c80 1170 {
AzureIoTClient 20:206846c14c80 1171 int result;
AzureIoTClient 20:206846c14c80 1172 if (delivery_state == NULL)
AzureIoTClient 20:206846c14c80 1173 {
AzureIoTClient 20:206846c14c80 1174 result = 0;
AzureIoTClient 20:206846c14c80 1175 }
AzureIoTClient 20:206846c14c80 1176 else
AzureIoTClient 20:206846c14c80 1177 {
AzureIoTClient 20:206846c14c80 1178 result = send_disposition(link, message_id, delivery_state);
AzureIoTClient 20:206846c14c80 1179 if ( result != 0)
AzureIoTClient 20:206846c14c80 1180 {
AzureIoTClient 20:206846c14c80 1181 LogError("Cannot send disposition frame");
AzureIoTClient 20:206846c14c80 1182 result = __FAILURE__;
AzureIoTClient 20:206846c14c80 1183 }
AzureIoTClient 20:206846c14c80 1184 }
AzureIoTClient 20:206846c14c80 1185 return result;
AzureIoTClient 20:206846c14c80 1186 }