Azure IoT / iothub_amqp_transport

Microsoft Azure IoTHub client AMQP transport

Dependents:   sht15_remote_monitoring RobotArmDemo iothub_client_sample_amqp iothub_client_sample_amqp ... more

This library implements the AMQP transport for Microsoft Azure IoTHub client. The code is replicated from https://github.com/Azure/azure-iot-sdks

iothubtransport_amqp_messenger.c@43:3da2d93bb955, 2017-10-21 (annotated)

Committer:
AzureIoTClient
Date:
Sat Oct 21 20:10:24 2017 +0000
Revision:
43:3da2d93bb955
Parent:
39:e98d5df6dc74
Child:
45:c09fac270e60
1.1.26

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 39:e98d5df6dc74 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 39:e98d5df6dc74 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 39:e98d5df6dc74 3
AzureIoTClient 39:e98d5df6dc74 4 #include <stdlib.h>
AzureIoTClient 39:e98d5df6dc74 5 #include <stdbool.h>
AzureIoTClient 39:e98d5df6dc74 6 #include "azure_c_shared_utility/optimize_size.h"
AzureIoTClient 39:e98d5df6dc74 7 #include "azure_c_shared_utility/crt_abstractions.h"
AzureIoTClient 39:e98d5df6dc74 8 #include "azure_c_shared_utility/gballoc.h"
AzureIoTClient 39:e98d5df6dc74 9 #include "azure_c_shared_utility/agenttime.h"
AzureIoTClient 39:e98d5df6dc74 10 #include "azure_c_shared_utility/xlogging.h"
AzureIoTClient 39:e98d5df6dc74 11 #include "azure_c_shared_utility/uniqueid.h"
AzureIoTClient 39:e98d5df6dc74 12 #include "azure_uamqp_c/link.h"
AzureIoTClient 39:e98d5df6dc74 13 #include "azure_uamqp_c/messaging.h"
AzureIoTClient 39:e98d5df6dc74 14 #include "azure_uamqp_c/message_sender.h"
AzureIoTClient 39:e98d5df6dc74 15 #include "azure_uamqp_c/message_receiver.h"
AzureIoTClient 39:e98d5df6dc74 16 #include "message_queue.h"
AzureIoTClient 39:e98d5df6dc74 17 #include "iothub_client_retry_control.h"
AzureIoTClient 39:e98d5df6dc74 18 #include "iothubtransport_amqp_messenger.h"
AzureIoTClient 39:e98d5df6dc74 19
AzureIoTClient 39:e98d5df6dc74 20 DEFINE_ENUM_STRINGS(AMQP_MESSENGER_SEND_STATUS, AMQP_MESSENGER_SEND_STATUS_VALUES);
AzureIoTClient 39:e98d5df6dc74 21 DEFINE_ENUM_STRINGS(AMQP_MESSENGER_SEND_RESULT, AMQP_MESSENGER_SEND_RESULT_VALUES);
AzureIoTClient 39:e98d5df6dc74 22 DEFINE_ENUM_STRINGS(AMQP_MESSENGER_REASON, AMQP_MESSENGER_REASON_VALUES);
AzureIoTClient 39:e98d5df6dc74 23 DEFINE_ENUM_STRINGS(AMQP_MESSENGER_DISPOSITION_RESULT, AMQP_MESSENGER_DISPOSITION_RESULT_VALUES);
AzureIoTClient 39:e98d5df6dc74 24 DEFINE_ENUM_STRINGS(AMQP_MESSENGER_STATE, AMQP_MESSENGER_STATE_VALUES);
AzureIoTClient 39:e98d5df6dc74 25
AzureIoTClient 39:e98d5df6dc74 26
AzureIoTClient 39:e98d5df6dc74 27 #define RESULT_OK 0
AzureIoTClient 39:e98d5df6dc74 28 #define INDEFINITE_TIME ((time_t)(-1))
AzureIoTClient 39:e98d5df6dc74 29
AzureIoTClient 39:e98d5df6dc74 30 // AMQP Link address format: "amqps://<iot hub fqdn>/devices/<device-id>/<suffix>"
AzureIoTClient 39:e98d5df6dc74 31 #define LINK_ADDRESS_FORMAT "amqps://%s/devices/%s/%s"
AzureIoTClient 39:e98d5df6dc74 32 #define SEND_LINK_NAME_PREFIX "link-snd"
AzureIoTClient 39:e98d5df6dc74 33 #define MESSAGE_SENDER_MAX_LINK_SIZE UINT64_MAX
AzureIoTClient 39:e98d5df6dc74 34 #define RECEIVE_LINK_NAME_PREFIX "link-rcv"
AzureIoTClient 39:e98d5df6dc74 35 #define MESSAGE_RECEIVER_MAX_LINK_SIZE 65536
AzureIoTClient 39:e98d5df6dc74 36 #define DEFAULT_EVENT_SEND_RETRY_LIMIT 0
AzureIoTClient 39:e98d5df6dc74 37 #define DEFAULT_EVENT_SEND_TIMEOUT_SECS 600
AzureIoTClient 39:e98d5df6dc74 38 #define DEFAULT_MAX_SEND_ERROR_COUNT 10
AzureIoTClient 39:e98d5df6dc74 39 #define MAX_MESSAGE_SENDER_STATE_CHANGE_TIMEOUT_SECS 300
AzureIoTClient 39:e98d5df6dc74 40 #define MAX_MESSAGE_RECEIVER_STATE_CHANGE_TIMEOUT_SECS 300
AzureIoTClient 39:e98d5df6dc74 41 #define UNIQUE_ID_BUFFER_SIZE 37
AzureIoTClient 39:e98d5df6dc74 42
AzureIoTClient 39:e98d5df6dc74 43 static const char* MESSENGER_SAVED_MQ_OPTIONS = "amqp_message_queue_options";
AzureIoTClient 39:e98d5df6dc74 44
AzureIoTClient 39:e98d5df6dc74 45 typedef struct AMQP_MESSENGER_INSTANCE_TAG
AzureIoTClient 39:e98d5df6dc74 46 {
AzureIoTClient 39:e98d5df6dc74 47 AMQP_MESSENGER_CONFIG* config;
AzureIoTClient 39:e98d5df6dc74 48
AzureIoTClient 39:e98d5df6dc74 49 bool receive_messages;
AzureIoTClient 39:e98d5df6dc74 50 ON_AMQP_MESSENGER_MESSAGE_RECEIVED on_message_received_callback;
AzureIoTClient 39:e98d5df6dc74 51 void* on_message_received_context;
AzureIoTClient 39:e98d5df6dc74 52
AzureIoTClient 39:e98d5df6dc74 53 MESSAGE_QUEUE_HANDLE send_queue;
AzureIoTClient 39:e98d5df6dc74 54 AMQP_MESSENGER_STATE state;
AzureIoTClient 39:e98d5df6dc74 55
AzureIoTClient 39:e98d5df6dc74 56 SESSION_HANDLE session_handle;
AzureIoTClient 39:e98d5df6dc74 57
AzureIoTClient 39:e98d5df6dc74 58 LINK_HANDLE sender_link;
AzureIoTClient 39:e98d5df6dc74 59 MESSAGE_SENDER_HANDLE message_sender;
AzureIoTClient 39:e98d5df6dc74 60 MESSAGE_SENDER_STATE message_sender_current_state;
AzureIoTClient 39:e98d5df6dc74 61 MESSAGE_SENDER_STATE message_sender_previous_state;
AzureIoTClient 39:e98d5df6dc74 62
AzureIoTClient 39:e98d5df6dc74 63 LINK_HANDLE receiver_link;
AzureIoTClient 39:e98d5df6dc74 64 MESSAGE_RECEIVER_HANDLE message_receiver;
AzureIoTClient 39:e98d5df6dc74 65 MESSAGE_RECEIVER_STATE message_receiver_current_state;
AzureIoTClient 39:e98d5df6dc74 66 MESSAGE_RECEIVER_STATE message_receiver_previous_state;
AzureIoTClient 39:e98d5df6dc74 67
AzureIoTClient 39:e98d5df6dc74 68 size_t send_error_count;
AzureIoTClient 39:e98d5df6dc74 69 size_t max_send_error_count;
AzureIoTClient 39:e98d5df6dc74 70
AzureIoTClient 39:e98d5df6dc74 71 time_t last_message_sender_state_change_time;
AzureIoTClient 39:e98d5df6dc74 72 time_t last_message_receiver_state_change_time;
AzureIoTClient 39:e98d5df6dc74 73 } AMQP_MESSENGER_INSTANCE;
AzureIoTClient 39:e98d5df6dc74 74
AzureIoTClient 39:e98d5df6dc74 75 typedef struct MESSAGE_SEND_CONTEXT_TAG
AzureIoTClient 39:e98d5df6dc74 76 {
AzureIoTClient 39:e98d5df6dc74 77 MESSAGE_HANDLE message;
AzureIoTClient 39:e98d5df6dc74 78 bool is_destroyed;
AzureIoTClient 39:e98d5df6dc74 79
AzureIoTClient 39:e98d5df6dc74 80 AMQP_MESSENGER_INSTANCE* messenger;
AzureIoTClient 39:e98d5df6dc74 81
AzureIoTClient 39:e98d5df6dc74 82 AMQP_MESSENGER_SEND_COMPLETE_CALLBACK on_send_complete_callback;
AzureIoTClient 39:e98d5df6dc74 83 void* user_context;
AzureIoTClient 39:e98d5df6dc74 84
AzureIoTClient 39:e98d5df6dc74 85 PROCESS_MESSAGE_COMPLETED_CALLBACK on_process_message_completed_callback;
AzureIoTClient 39:e98d5df6dc74 86 } MESSAGE_SEND_CONTEXT;
AzureIoTClient 39:e98d5df6dc74 87
AzureIoTClient 39:e98d5df6dc74 88
AzureIoTClient 39:e98d5df6dc74 89
AzureIoTClient 39:e98d5df6dc74 90 static MESSAGE_SEND_CONTEXT* create_message_send_context()
AzureIoTClient 39:e98d5df6dc74 91 {
AzureIoTClient 39:e98d5df6dc74 92 MESSAGE_SEND_CONTEXT* result;
AzureIoTClient 39:e98d5df6dc74 93
AzureIoTClient 39:e98d5df6dc74 94 if ((result = (MESSAGE_SEND_CONTEXT*)malloc(sizeof(MESSAGE_SEND_CONTEXT))) == NULL)
AzureIoTClient 39:e98d5df6dc74 95 {
AzureIoTClient 39:e98d5df6dc74 96 LogError("Failed creating the message send context");
AzureIoTClient 39:e98d5df6dc74 97 }
AzureIoTClient 39:e98d5df6dc74 98 else
AzureIoTClient 39:e98d5df6dc74 99 {
AzureIoTClient 39:e98d5df6dc74 100 memset(result, 0, sizeof(MESSAGE_SEND_CONTEXT));
AzureIoTClient 39:e98d5df6dc74 101 }
AzureIoTClient 39:e98d5df6dc74 102
AzureIoTClient 39:e98d5df6dc74 103 return result;
AzureIoTClient 39:e98d5df6dc74 104 }
AzureIoTClient 39:e98d5df6dc74 105
AzureIoTClient 39:e98d5df6dc74 106 static bool is_valid_configuration(const AMQP_MESSENGER_CONFIG* config)
AzureIoTClient 39:e98d5df6dc74 107 {
AzureIoTClient 39:e98d5df6dc74 108 bool result;
AzureIoTClient 39:e98d5df6dc74 109
AzureIoTClient 39:e98d5df6dc74 110 if (config == NULL)
AzureIoTClient 39:e98d5df6dc74 111 {
AzureIoTClient 39:e98d5df6dc74 112 LogError("Invalid configuration (NULL)");
AzureIoTClient 39:e98d5df6dc74 113 result = false;
AzureIoTClient 39:e98d5df6dc74 114 }
AzureIoTClient 39:e98d5df6dc74 115 else if (config->client_version == NULL ||
AzureIoTClient 39:e98d5df6dc74 116 config->device_id == NULL ||
AzureIoTClient 39:e98d5df6dc74 117 config->iothub_host_fqdn == NULL ||
AzureIoTClient 39:e98d5df6dc74 118 config->receive_link.source_suffix == NULL ||
AzureIoTClient 39:e98d5df6dc74 119 config->send_link.target_suffix == NULL)
AzureIoTClient 39:e98d5df6dc74 120 {
AzureIoTClient 39:e98d5df6dc74 121 LogError("Invalid configuration (client_version=%p, device_id=%p, iothub_host_fqdn=%p, receive_link (source_suffix=%p), send_link (target_suffix=%p))",
AzureIoTClient 39:e98d5df6dc74 122 config->client_version, config->device_id, config->iothub_host_fqdn,
AzureIoTClient 39:e98d5df6dc74 123 config->receive_link.source_suffix, config->send_link.target_suffix);
AzureIoTClient 39:e98d5df6dc74 124 result = false;
AzureIoTClient 39:e98d5df6dc74 125 }
AzureIoTClient 39:e98d5df6dc74 126 else
AzureIoTClient 39:e98d5df6dc74 127 {
AzureIoTClient 39:e98d5df6dc74 128 result = true;
AzureIoTClient 39:e98d5df6dc74 129 }
AzureIoTClient 39:e98d5df6dc74 130
AzureIoTClient 39:e98d5df6dc74 131 return result;
AzureIoTClient 39:e98d5df6dc74 132 }
AzureIoTClient 39:e98d5df6dc74 133
AzureIoTClient 39:e98d5df6dc74 134 static void destroy_link_configuration(AMQP_MESSENGER_LINK_CONFIG* link_config)
AzureIoTClient 39:e98d5df6dc74 135 {
AzureIoTClient 39:e98d5df6dc74 136 if (link_config->target_suffix != NULL)
AzureIoTClient 39:e98d5df6dc74 137 {
AzureIoTClient 39:e98d5df6dc74 138 free((void*)link_config->target_suffix);
AzureIoTClient 39:e98d5df6dc74 139 link_config->target_suffix = NULL;
AzureIoTClient 39:e98d5df6dc74 140 }
AzureIoTClient 39:e98d5df6dc74 141
AzureIoTClient 39:e98d5df6dc74 142 if (link_config->source_suffix != NULL)
AzureIoTClient 39:e98d5df6dc74 143 {
AzureIoTClient 39:e98d5df6dc74 144 free((void*)link_config->source_suffix);
AzureIoTClient 39:e98d5df6dc74 145 link_config->source_suffix = NULL;
AzureIoTClient 39:e98d5df6dc74 146 }
AzureIoTClient 39:e98d5df6dc74 147
AzureIoTClient 39:e98d5df6dc74 148 if (link_config->attach_properties != NULL)
AzureIoTClient 39:e98d5df6dc74 149 {
AzureIoTClient 39:e98d5df6dc74 150 Map_Destroy(link_config->attach_properties);
AzureIoTClient 39:e98d5df6dc74 151 link_config->attach_properties = NULL;
AzureIoTClient 39:e98d5df6dc74 152 }
AzureIoTClient 39:e98d5df6dc74 153 }
AzureIoTClient 39:e98d5df6dc74 154
AzureIoTClient 39:e98d5df6dc74 155 static void destroy_configuration(AMQP_MESSENGER_CONFIG* config)
AzureIoTClient 39:e98d5df6dc74 156 {
AzureIoTClient 39:e98d5df6dc74 157 if (config != NULL)
AzureIoTClient 39:e98d5df6dc74 158 {
AzureIoTClient 39:e98d5df6dc74 159 if (config->client_version != NULL)
AzureIoTClient 39:e98d5df6dc74 160 {
AzureIoTClient 39:e98d5df6dc74 161 free((void*)config->client_version);
AzureIoTClient 39:e98d5df6dc74 162 }
AzureIoTClient 39:e98d5df6dc74 163
AzureIoTClient 39:e98d5df6dc74 164 if (config->device_id != NULL)
AzureIoTClient 39:e98d5df6dc74 165 {
AzureIoTClient 39:e98d5df6dc74 166 free((void*)config->device_id);
AzureIoTClient 39:e98d5df6dc74 167 }
AzureIoTClient 39:e98d5df6dc74 168
AzureIoTClient 39:e98d5df6dc74 169 if (config->iothub_host_fqdn != NULL)
AzureIoTClient 39:e98d5df6dc74 170 {
AzureIoTClient 39:e98d5df6dc74 171 free((void*)config->iothub_host_fqdn);
AzureIoTClient 39:e98d5df6dc74 172 }
AzureIoTClient 39:e98d5df6dc74 173
AzureIoTClient 39:e98d5df6dc74 174 destroy_link_configuration(&config->send_link);
AzureIoTClient 39:e98d5df6dc74 175 destroy_link_configuration(&config->receive_link);
AzureIoTClient 39:e98d5df6dc74 176
AzureIoTClient 39:e98d5df6dc74 177 free(config);
AzureIoTClient 39:e98d5df6dc74 178 }
AzureIoTClient 39:e98d5df6dc74 179 }
AzureIoTClient 39:e98d5df6dc74 180
AzureIoTClient 39:e98d5df6dc74 181 static int clone_link_configuration(role link_role, AMQP_MESSENGER_LINK_CONFIG* dst_config, const AMQP_MESSENGER_LINK_CONFIG* src_config)
AzureIoTClient 39:e98d5df6dc74 182 {
AzureIoTClient 39:e98d5df6dc74 183 int result;
AzureIoTClient 39:e98d5df6dc74 184
AzureIoTClient 39:e98d5df6dc74 185 if (link_role == role_sender &&
AzureIoTClient 39:e98d5df6dc74 186 mallocAndStrcpy_s(&dst_config->target_suffix, src_config->target_suffix) != 0)
AzureIoTClient 39:e98d5df6dc74 187 {
AzureIoTClient 39:e98d5df6dc74 188 LogError("Failed copying send_link_target_suffix");
AzureIoTClient 39:e98d5df6dc74 189 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 190 }
AzureIoTClient 39:e98d5df6dc74 191 else if (link_role == role_receiver &&
AzureIoTClient 39:e98d5df6dc74 192 mallocAndStrcpy_s(&dst_config->source_suffix, src_config->source_suffix) != 0)
AzureIoTClient 39:e98d5df6dc74 193 {
AzureIoTClient 39:e98d5df6dc74 194 LogError("Failed copying receive_link_source_suffix");
AzureIoTClient 39:e98d5df6dc74 195 destroy_link_configuration(dst_config);
AzureIoTClient 39:e98d5df6dc74 196 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 197 }
AzureIoTClient 39:e98d5df6dc74 198 else if (src_config->attach_properties != NULL &&
AzureIoTClient 39:e98d5df6dc74 199 (dst_config->attach_properties = Map_Clone(src_config->attach_properties)) == NULL)
AzureIoTClient 39:e98d5df6dc74 200 {
AzureIoTClient 39:e98d5df6dc74 201 LogError("Failed copying link attach properties");
AzureIoTClient 39:e98d5df6dc74 202 destroy_link_configuration(dst_config);
AzureIoTClient 39:e98d5df6dc74 203 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 204 }
AzureIoTClient 39:e98d5df6dc74 205 else
AzureIoTClient 39:e98d5df6dc74 206 {
AzureIoTClient 39:e98d5df6dc74 207 dst_config->snd_settle_mode = src_config->snd_settle_mode;
AzureIoTClient 39:e98d5df6dc74 208 dst_config->rcv_settle_mode = src_config->rcv_settle_mode;
AzureIoTClient 39:e98d5df6dc74 209
AzureIoTClient 39:e98d5df6dc74 210 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 211 }
AzureIoTClient 39:e98d5df6dc74 212
AzureIoTClient 39:e98d5df6dc74 213 return result;
AzureIoTClient 39:e98d5df6dc74 214 }
AzureIoTClient 39:e98d5df6dc74 215
AzureIoTClient 39:e98d5df6dc74 216 static AMQP_MESSENGER_CONFIG* clone_configuration(const AMQP_MESSENGER_CONFIG* config)
AzureIoTClient 39:e98d5df6dc74 217 {
AzureIoTClient 39:e98d5df6dc74 218 AMQP_MESSENGER_CONFIG* result;
AzureIoTClient 39:e98d5df6dc74 219
AzureIoTClient 39:e98d5df6dc74 220 if ((result = (AMQP_MESSENGER_CONFIG*)malloc(sizeof(AMQP_MESSENGER_CONFIG))) == NULL)
AzureIoTClient 39:e98d5df6dc74 221 {
AzureIoTClient 39:e98d5df6dc74 222 LogError("Failed allocating AMQP_MESSENGER_CONFIG");
AzureIoTClient 39:e98d5df6dc74 223 }
AzureIoTClient 39:e98d5df6dc74 224 else
AzureIoTClient 39:e98d5df6dc74 225 {
AzureIoTClient 39:e98d5df6dc74 226 memset(result, 0, sizeof(AMQP_MESSENGER_CONFIG));
AzureIoTClient 39:e98d5df6dc74 227
AzureIoTClient 39:e98d5df6dc74 228 if (mallocAndStrcpy_s(&result->client_version, config->client_version) != 0)
AzureIoTClient 39:e98d5df6dc74 229 {
AzureIoTClient 39:e98d5df6dc74 230 LogError("Failed copying device_id");
AzureIoTClient 39:e98d5df6dc74 231 destroy_configuration(result);
AzureIoTClient 39:e98d5df6dc74 232 result = NULL;
AzureIoTClient 39:e98d5df6dc74 233 }
AzureIoTClient 39:e98d5df6dc74 234 else if (mallocAndStrcpy_s(&result->device_id, config->device_id) != 0)
AzureIoTClient 39:e98d5df6dc74 235 {
AzureIoTClient 39:e98d5df6dc74 236 LogError("Failed copying device_id");
AzureIoTClient 39:e98d5df6dc74 237 destroy_configuration(result);
AzureIoTClient 39:e98d5df6dc74 238 result = NULL;
AzureIoTClient 39:e98d5df6dc74 239 }
AzureIoTClient 39:e98d5df6dc74 240 else if (mallocAndStrcpy_s(&result->iothub_host_fqdn, config->iothub_host_fqdn) != 0)
AzureIoTClient 39:e98d5df6dc74 241 {
AzureIoTClient 39:e98d5df6dc74 242 LogError("Failed copying iothub_host_fqdn");
AzureIoTClient 39:e98d5df6dc74 243 destroy_configuration(result);
AzureIoTClient 39:e98d5df6dc74 244 result = NULL;
AzureIoTClient 39:e98d5df6dc74 245 }
AzureIoTClient 39:e98d5df6dc74 246 else if (clone_link_configuration(role_sender, &result->send_link, &config->send_link) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 247 {
AzureIoTClient 39:e98d5df6dc74 248 LogError("Failed copying send link configuration");
AzureIoTClient 39:e98d5df6dc74 249 destroy_configuration(result);
AzureIoTClient 39:e98d5df6dc74 250 result = NULL;
AzureIoTClient 39:e98d5df6dc74 251 }
AzureIoTClient 39:e98d5df6dc74 252 else if (clone_link_configuration(role_receiver, &result->receive_link, &config->receive_link) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 253 {
AzureIoTClient 39:e98d5df6dc74 254 LogError("Failed copying receive link configuration");
AzureIoTClient 39:e98d5df6dc74 255 destroy_configuration(result);
AzureIoTClient 39:e98d5df6dc74 256 result = NULL;
AzureIoTClient 39:e98d5df6dc74 257 }
AzureIoTClient 39:e98d5df6dc74 258 else
AzureIoTClient 39:e98d5df6dc74 259 {
AzureIoTClient 39:e98d5df6dc74 260 result->on_state_changed_callback = config->on_state_changed_callback;
AzureIoTClient 39:e98d5df6dc74 261 result->on_state_changed_context = config->on_state_changed_context;
AzureIoTClient 39:e98d5df6dc74 262 result->on_subscription_changed_callback = config->on_subscription_changed_callback;
AzureIoTClient 39:e98d5df6dc74 263 result->on_subscription_changed_context = config->on_subscription_changed_context;
AzureIoTClient 39:e98d5df6dc74 264 }
AzureIoTClient 39:e98d5df6dc74 265 }
AzureIoTClient 39:e98d5df6dc74 266
AzureIoTClient 39:e98d5df6dc74 267 return result;
AzureIoTClient 39:e98d5df6dc74 268 }
AzureIoTClient 39:e98d5df6dc74 269
AzureIoTClient 39:e98d5df6dc74 270 static void destroy_message_send_context(MESSAGE_SEND_CONTEXT* context)
AzureIoTClient 39:e98d5df6dc74 271 {
AzureIoTClient 39:e98d5df6dc74 272 free(context);
AzureIoTClient 39:e98d5df6dc74 273 }
AzureIoTClient 39:e98d5df6dc74 274
AzureIoTClient 39:e98d5df6dc74 275 static STRING_HANDLE create_link_address(const char* host_fqdn, const char* device_id, const char* address_suffix)
AzureIoTClient 39:e98d5df6dc74 276 {
AzureIoTClient 39:e98d5df6dc74 277 STRING_HANDLE link_address;
AzureIoTClient 39:e98d5df6dc74 278
AzureIoTClient 39:e98d5df6dc74 279 if ((link_address = STRING_new()) == NULL)
AzureIoTClient 39:e98d5df6dc74 280 {
AzureIoTClient 39:e98d5df6dc74 281 LogError("failed creating link_address (STRING_new failed)");
AzureIoTClient 39:e98d5df6dc74 282 }
AzureIoTClient 39:e98d5df6dc74 283 else if (STRING_sprintf(link_address, LINK_ADDRESS_FORMAT, host_fqdn, device_id, address_suffix) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 284 {
AzureIoTClient 39:e98d5df6dc74 285 LogError("Failed creating the link_address (STRING_sprintf failed)");
AzureIoTClient 39:e98d5df6dc74 286 STRING_delete(link_address);
AzureIoTClient 39:e98d5df6dc74 287 link_address = NULL;
AzureIoTClient 39:e98d5df6dc74 288 }
AzureIoTClient 39:e98d5df6dc74 289
AzureIoTClient 39:e98d5df6dc74 290 return link_address;
AzureIoTClient 39:e98d5df6dc74 291 }
AzureIoTClient 39:e98d5df6dc74 292
AzureIoTClient 39:e98d5df6dc74 293 static STRING_HANDLE create_link_terminus_name(STRING_HANDLE link_name, const char* suffix)
AzureIoTClient 39:e98d5df6dc74 294 {
AzureIoTClient 39:e98d5df6dc74 295 STRING_HANDLE terminus_name;
AzureIoTClient 39:e98d5df6dc74 296
AzureIoTClient 39:e98d5df6dc74 297 if ((terminus_name = STRING_new()) == NULL)
AzureIoTClient 39:e98d5df6dc74 298 {
AzureIoTClient 39:e98d5df6dc74 299 LogError("Failed creating the terminus name (STRING_new failed; %s)", suffix);
AzureIoTClient 39:e98d5df6dc74 300 }
AzureIoTClient 39:e98d5df6dc74 301 else
AzureIoTClient 39:e98d5df6dc74 302 {
AzureIoTClient 39:e98d5df6dc74 303 const char* link_name_char_ptr = STRING_c_str(link_name);
AzureIoTClient 39:e98d5df6dc74 304
AzureIoTClient 39:e98d5df6dc74 305 if (STRING_sprintf(terminus_name, "%s-%s", link_name_char_ptr, suffix) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 306 {
AzureIoTClient 39:e98d5df6dc74 307 STRING_delete(terminus_name);
AzureIoTClient 39:e98d5df6dc74 308 terminus_name = NULL;
AzureIoTClient 39:e98d5df6dc74 309 LogError("Failed creating the terminus name (STRING_sprintf failed; %s)", suffix);
AzureIoTClient 39:e98d5df6dc74 310 }
AzureIoTClient 39:e98d5df6dc74 311 }
AzureIoTClient 39:e98d5df6dc74 312
AzureIoTClient 39:e98d5df6dc74 313 return terminus_name;
AzureIoTClient 39:e98d5df6dc74 314 }
AzureIoTClient 39:e98d5df6dc74 315
AzureIoTClient 39:e98d5df6dc74 316 static STRING_HANDLE create_link_name(role link_role, const char* device_id)
AzureIoTClient 39:e98d5df6dc74 317 {
AzureIoTClient 39:e98d5df6dc74 318 char* unique_id;
AzureIoTClient 39:e98d5df6dc74 319 STRING_HANDLE result;
AzureIoTClient 39:e98d5df6dc74 320
AzureIoTClient 39:e98d5df6dc74 321 if ((unique_id = (char*)malloc(sizeof(char) * UNIQUE_ID_BUFFER_SIZE + 1)) == NULL)
AzureIoTClient 39:e98d5df6dc74 322 {
AzureIoTClient 39:e98d5df6dc74 323 LogError("Failed generating an unique tag (malloc failed)");
AzureIoTClient 39:e98d5df6dc74 324 result = NULL;
AzureIoTClient 39:e98d5df6dc74 325 }
AzureIoTClient 39:e98d5df6dc74 326 else
AzureIoTClient 39:e98d5df6dc74 327 {
AzureIoTClient 39:e98d5df6dc74 328 memset(unique_id, 0, sizeof(char) * UNIQUE_ID_BUFFER_SIZE + 1);
AzureIoTClient 39:e98d5df6dc74 329
AzureIoTClient 39:e98d5df6dc74 330 if (UniqueId_Generate(unique_id, UNIQUE_ID_BUFFER_SIZE) != UNIQUEID_OK)
AzureIoTClient 39:e98d5df6dc74 331 {
AzureIoTClient 39:e98d5df6dc74 332 LogError("Failed generating an unique tag (UniqueId_Generate failed)");
AzureIoTClient 39:e98d5df6dc74 333 result = NULL;
AzureIoTClient 39:e98d5df6dc74 334 }
AzureIoTClient 39:e98d5df6dc74 335 else if ((result = STRING_new()) == NULL)
AzureIoTClient 39:e98d5df6dc74 336 {
AzureIoTClient 39:e98d5df6dc74 337 LogError("Failed generating an unique tag (STRING_new failed)");
AzureIoTClient 39:e98d5df6dc74 338 }
AzureIoTClient 39:e98d5df6dc74 339 else if (STRING_sprintf(result, "%s-%s-%s", (link_role == role_sender ? SEND_LINK_NAME_PREFIX : RECEIVE_LINK_NAME_PREFIX), device_id, unique_id) != 0)
AzureIoTClient 39:e98d5df6dc74 340 {
AzureIoTClient 39:e98d5df6dc74 341 LogError("Failed generating an unique tag (STRING_sprintf failed)");
AzureIoTClient 39:e98d5df6dc74 342 STRING_delete(result);
AzureIoTClient 39:e98d5df6dc74 343 result = NULL;
AzureIoTClient 39:e98d5df6dc74 344 }
AzureIoTClient 39:e98d5df6dc74 345
AzureIoTClient 39:e98d5df6dc74 346 free(unique_id);
AzureIoTClient 39:e98d5df6dc74 347 }
AzureIoTClient 39:e98d5df6dc74 348
AzureIoTClient 39:e98d5df6dc74 349 return result;
AzureIoTClient 39:e98d5df6dc74 350 }
AzureIoTClient 39:e98d5df6dc74 351
AzureIoTClient 39:e98d5df6dc74 352 static void update_messenger_state(AMQP_MESSENGER_INSTANCE* instance, AMQP_MESSENGER_STATE new_state)
AzureIoTClient 39:e98d5df6dc74 353 {
AzureIoTClient 39:e98d5df6dc74 354 if (new_state != instance->state)
AzureIoTClient 39:e98d5df6dc74 355 {
AzureIoTClient 39:e98d5df6dc74 356 AMQP_MESSENGER_STATE previous_state = instance->state;
AzureIoTClient 39:e98d5df6dc74 357 instance->state = new_state;
AzureIoTClient 39:e98d5df6dc74 358
AzureIoTClient 39:e98d5df6dc74 359 if (instance->config != NULL && instance->config->on_state_changed_callback != NULL)
AzureIoTClient 39:e98d5df6dc74 360 {
AzureIoTClient 39:e98d5df6dc74 361 instance->config->on_state_changed_callback(instance->config->on_state_changed_context, previous_state, new_state);
AzureIoTClient 39:e98d5df6dc74 362 }
AzureIoTClient 39:e98d5df6dc74 363 }
AzureIoTClient 39:e98d5df6dc74 364 }
AzureIoTClient 39:e98d5df6dc74 365
AzureIoTClient 39:e98d5df6dc74 366 static int add_link_attach_properties(LINK_HANDLE link, MAP_HANDLE user_defined_properties)
AzureIoTClient 39:e98d5df6dc74 367 {
AzureIoTClient 39:e98d5df6dc74 368 int result;
AzureIoTClient 39:e98d5df6dc74 369 fields attach_properties;
AzureIoTClient 39:e98d5df6dc74 370
AzureIoTClient 39:e98d5df6dc74 371 if ((attach_properties = amqpvalue_create_map()) == NULL)
AzureIoTClient 39:e98d5df6dc74 372 {
AzureIoTClient 39:e98d5df6dc74 373 LogError("Failed to create the map for attach properties.");
AzureIoTClient 39:e98d5df6dc74 374 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 375 }
AzureIoTClient 39:e98d5df6dc74 376 else
AzureIoTClient 39:e98d5df6dc74 377 {
AzureIoTClient 39:e98d5df6dc74 378 const char* const* keys;
AzureIoTClient 39:e98d5df6dc74 379 const char* const* values;
AzureIoTClient 39:e98d5df6dc74 380 size_t count;
AzureIoTClient 39:e98d5df6dc74 381
AzureIoTClient 39:e98d5df6dc74 382 if (Map_GetInternals(user_defined_properties, &keys, &values, &count) != MAP_OK)
AzureIoTClient 39:e98d5df6dc74 383 {
AzureIoTClient 39:e98d5df6dc74 384 LogError("failed getting user defined properties details.");
AzureIoTClient 39:e98d5df6dc74 385 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 386 }
AzureIoTClient 39:e98d5df6dc74 387 else
AzureIoTClient 39:e98d5df6dc74 388 {
AzureIoTClient 39:e98d5df6dc74 389 size_t i;
AzureIoTClient 39:e98d5df6dc74 390 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 391
AzureIoTClient 39:e98d5df6dc74 392 for (i = 0; i < count && result == RESULT_OK; i++)
AzureIoTClient 39:e98d5df6dc74 393 {
AzureIoTClient 39:e98d5df6dc74 394 AMQP_VALUE key;
AzureIoTClient 39:e98d5df6dc74 395 AMQP_VALUE value;
AzureIoTClient 39:e98d5df6dc74 396
AzureIoTClient 39:e98d5df6dc74 397 if ((key = amqpvalue_create_symbol(keys[i])) == NULL)
AzureIoTClient 39:e98d5df6dc74 398 {
AzureIoTClient 39:e98d5df6dc74 399 LogError("Failed creating AMQP_VALUE For key %s.", keys[i]);
AzureIoTClient 39:e98d5df6dc74 400 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 401 }
AzureIoTClient 39:e98d5df6dc74 402 else
AzureIoTClient 39:e98d5df6dc74 403 {
AzureIoTClient 39:e98d5df6dc74 404 if ((value = amqpvalue_create_string(values[i])) == NULL)
AzureIoTClient 39:e98d5df6dc74 405 {
AzureIoTClient 39:e98d5df6dc74 406 LogError("Failed creating AMQP_VALUE For key %s value", keys[i]);
AzureIoTClient 39:e98d5df6dc74 407 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 408 }
AzureIoTClient 39:e98d5df6dc74 409 else
AzureIoTClient 39:e98d5df6dc74 410 {
AzureIoTClient 39:e98d5df6dc74 411 if (amqpvalue_set_map_value(attach_properties, key, value) != 0)
AzureIoTClient 39:e98d5df6dc74 412 {
AzureIoTClient 39:e98d5df6dc74 413 LogError("Failed adding property %s to map", keys[i]);
AzureIoTClient 39:e98d5df6dc74 414 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 415 }
AzureIoTClient 39:e98d5df6dc74 416
AzureIoTClient 39:e98d5df6dc74 417 amqpvalue_destroy(value);
AzureIoTClient 39:e98d5df6dc74 418 }
AzureIoTClient 39:e98d5df6dc74 419
AzureIoTClient 39:e98d5df6dc74 420 amqpvalue_destroy(key);
AzureIoTClient 39:e98d5df6dc74 421 }
AzureIoTClient 39:e98d5df6dc74 422 }
AzureIoTClient 39:e98d5df6dc74 423
AzureIoTClient 39:e98d5df6dc74 424 if (result == RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 425 {
AzureIoTClient 39:e98d5df6dc74 426 if (link_set_attach_properties(link, attach_properties) != 0)
AzureIoTClient 39:e98d5df6dc74 427 {
AzureIoTClient 39:e98d5df6dc74 428 LogError("Failed attaching properties to link");
AzureIoTClient 39:e98d5df6dc74 429 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 430 }
AzureIoTClient 39:e98d5df6dc74 431 else
AzureIoTClient 39:e98d5df6dc74 432 {
AzureIoTClient 39:e98d5df6dc74 433 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 434 }
AzureIoTClient 39:e98d5df6dc74 435 }
AzureIoTClient 39:e98d5df6dc74 436 }
AzureIoTClient 39:e98d5df6dc74 437
AzureIoTClient 39:e98d5df6dc74 438 amqpvalue_destroy(attach_properties);
AzureIoTClient 39:e98d5df6dc74 439 }
AzureIoTClient 39:e98d5df6dc74 440
AzureIoTClient 39:e98d5df6dc74 441 return result;
AzureIoTClient 39:e98d5df6dc74 442 }
AzureIoTClient 39:e98d5df6dc74 443
AzureIoTClient 39:e98d5df6dc74 444 static int create_link_terminus(role link_role, STRING_HANDLE link_name, STRING_HANDLE link_address, AMQP_VALUE* source, AMQP_VALUE* target)
AzureIoTClient 39:e98d5df6dc74 445 {
AzureIoTClient 39:e98d5df6dc74 446 int result;
AzureIoTClient 39:e98d5df6dc74 447 STRING_HANDLE terminus_name;
AzureIoTClient 39:e98d5df6dc74 448 const char* source_name;
AzureIoTClient 39:e98d5df6dc74 449 const char* target_name;
AzureIoTClient 39:e98d5df6dc74 450
AzureIoTClient 39:e98d5df6dc74 451 if (link_role == role_sender)
AzureIoTClient 39:e98d5df6dc74 452 {
AzureIoTClient 39:e98d5df6dc74 453 if ((terminus_name = create_link_terminus_name(link_name, "source")) == NULL)
AzureIoTClient 39:e98d5df6dc74 454 {
AzureIoTClient 39:e98d5df6dc74 455 LogError("Failed creating terminus name");
AzureIoTClient 39:e98d5df6dc74 456 source_name = NULL;
AzureIoTClient 39:e98d5df6dc74 457 target_name = NULL;
AzureIoTClient 39:e98d5df6dc74 458 }
AzureIoTClient 39:e98d5df6dc74 459 else
AzureIoTClient 39:e98d5df6dc74 460 {
AzureIoTClient 39:e98d5df6dc74 461 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_077: [The AMQP link source shall be defined as "<link name>-source"]
AzureIoTClient 39:e98d5df6dc74 462 source_name = STRING_c_str(terminus_name);
AzureIoTClient 39:e98d5df6dc74 463 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_094: [The AMQP link source shall be defined as <link address>]
AzureIoTClient 39:e98d5df6dc74 464 target_name = STRING_c_str(link_address);
AzureIoTClient 39:e98d5df6dc74 465 }
AzureIoTClient 39:e98d5df6dc74 466 }
AzureIoTClient 39:e98d5df6dc74 467 else
AzureIoTClient 39:e98d5df6dc74 468 {
AzureIoTClient 39:e98d5df6dc74 469 if ((terminus_name = create_link_terminus_name(link_name, "target")) == NULL)
AzureIoTClient 39:e98d5df6dc74 470 {
AzureIoTClient 39:e98d5df6dc74 471 LogError("Failed creating terminus name");
AzureIoTClient 39:e98d5df6dc74 472 source_name = NULL;
AzureIoTClient 39:e98d5df6dc74 473 target_name = NULL;
AzureIoTClient 39:e98d5df6dc74 474 }
AzureIoTClient 39:e98d5df6dc74 475 else
AzureIoTClient 39:e98d5df6dc74 476 {
AzureIoTClient 39:e98d5df6dc74 477 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_078: [The AMQP link target shall be defined as <link address>]
AzureIoTClient 39:e98d5df6dc74 478 source_name = STRING_c_str(link_address);
AzureIoTClient 39:e98d5df6dc74 479 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_095: [The AMQP link target shall be defined as "<link name>-target"]
AzureIoTClient 39:e98d5df6dc74 480 target_name = STRING_c_str(terminus_name);
AzureIoTClient 39:e98d5df6dc74 481 }
AzureIoTClient 39:e98d5df6dc74 482 }
AzureIoTClient 39:e98d5df6dc74 483
AzureIoTClient 39:e98d5df6dc74 484 if (source_name == NULL || target_name == NULL)
AzureIoTClient 39:e98d5df6dc74 485 {
AzureIoTClient 39:e98d5df6dc74 486 LogError("Failed creating link source and/or target name (source=%p, target=%p)", source_name, target_name);
AzureIoTClient 39:e98d5df6dc74 487 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 488 }
AzureIoTClient 39:e98d5df6dc74 489 else
AzureIoTClient 39:e98d5df6dc74 490 {
AzureIoTClient 39:e98d5df6dc74 491 if ((*source = messaging_create_source(source_name)) == NULL)
AzureIoTClient 39:e98d5df6dc74 492 {
AzureIoTClient 39:e98d5df6dc74 493 LogError("Failed creating link source");
AzureIoTClient 39:e98d5df6dc74 494 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 495 }
AzureIoTClient 39:e98d5df6dc74 496 else
AzureIoTClient 39:e98d5df6dc74 497 {
AzureIoTClient 39:e98d5df6dc74 498 if ((*target = messaging_create_target(target_name)) == NULL)
AzureIoTClient 39:e98d5df6dc74 499 {
AzureIoTClient 39:e98d5df6dc74 500 LogError("Failed creating link target");
AzureIoTClient 39:e98d5df6dc74 501 amqpvalue_destroy(*source);
AzureIoTClient 39:e98d5df6dc74 502 *source = NULL;
AzureIoTClient 39:e98d5df6dc74 503 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 504 }
AzureIoTClient 39:e98d5df6dc74 505 else
AzureIoTClient 39:e98d5df6dc74 506 {
AzureIoTClient 39:e98d5df6dc74 507 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 508 }
AzureIoTClient 39:e98d5df6dc74 509 }
AzureIoTClient 39:e98d5df6dc74 510 }
AzureIoTClient 39:e98d5df6dc74 511
AzureIoTClient 39:e98d5df6dc74 512
AzureIoTClient 39:e98d5df6dc74 513 STRING_delete(terminus_name);
AzureIoTClient 39:e98d5df6dc74 514
AzureIoTClient 39:e98d5df6dc74 515 return result;
AzureIoTClient 39:e98d5df6dc74 516 }
AzureIoTClient 39:e98d5df6dc74 517
AzureIoTClient 39:e98d5df6dc74 518 static LINK_HANDLE create_link(role link_role, SESSION_HANDLE session_handle, AMQP_MESSENGER_LINK_CONFIG* link_config, const char* iothub_host_fqdn, const char* device_id)
AzureIoTClient 39:e98d5df6dc74 519 {
AzureIoTClient 39:e98d5df6dc74 520 LINK_HANDLE result = NULL;
AzureIoTClient 39:e98d5df6dc74 521 STRING_HANDLE link_address;
AzureIoTClient 39:e98d5df6dc74 522
AzureIoTClient 39:e98d5df6dc74 523 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_075: [The AMQP link address shall be defined as "amqps://<`iothub_host_fqdn`>/devices/<`device_id`>/<`instance-config->send_link.source_suffix`>"]
AzureIoTClient 39:e98d5df6dc74 524 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_092: [The AMQP link address shall be defined as "amqps://<`iothub_host_fqdn`>/devices/<`device_id`>/<`instance-config->receive_link.target_suffix`>"]
AzureIoTClient 39:e98d5df6dc74 525 if ((link_address = create_link_address(iothub_host_fqdn, device_id, (link_role == role_sender ? link_config->target_suffix : link_config->source_suffix))) == NULL)
AzureIoTClient 39:e98d5df6dc74 526 {
AzureIoTClient 39:e98d5df6dc74 527 LogError("Failed creating the message sender (failed creating the 'link_address')");
AzureIoTClient 39:e98d5df6dc74 528 result = NULL;
AzureIoTClient 39:e98d5df6dc74 529 }
AzureIoTClient 39:e98d5df6dc74 530 else
AzureIoTClient 39:e98d5df6dc74 531 {
AzureIoTClient 39:e98d5df6dc74 532 STRING_HANDLE link_name;
AzureIoTClient 39:e98d5df6dc74 533
AzureIoTClient 39:e98d5df6dc74 534 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_076: [The AMQP link name shall be defined as "link-snd-<`device_id`>-<locally generated UUID>"]
AzureIoTClient 39:e98d5df6dc74 535 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_093: [The AMQP link name shall be defined as "link-rcv-<`device_id`>-<locally generated UUID>"]
AzureIoTClient 39:e98d5df6dc74 536 if ((link_name = create_link_name(link_role, device_id)) == NULL)
AzureIoTClient 39:e98d5df6dc74 537 {
AzureIoTClient 39:e98d5df6dc74 538 LogError("Failed creating the link name");
AzureIoTClient 39:e98d5df6dc74 539 result = NULL;
AzureIoTClient 39:e98d5df6dc74 540 }
AzureIoTClient 39:e98d5df6dc74 541 else
AzureIoTClient 39:e98d5df6dc74 542 {
AzureIoTClient 39:e98d5df6dc74 543 AMQP_VALUE source = NULL;
AzureIoTClient 39:e98d5df6dc74 544 AMQP_VALUE target = NULL;
AzureIoTClient 39:e98d5df6dc74 545
AzureIoTClient 39:e98d5df6dc74 546 if (create_link_terminus(link_role, link_name, link_address, &source, &target) == RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 547 {
AzureIoTClient 39:e98d5df6dc74 548 if ((result = link_create(session_handle, STRING_c_str(link_name), link_role, source, target)) == NULL)
AzureIoTClient 39:e98d5df6dc74 549 {
AzureIoTClient 39:e98d5df6dc74 550 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_079: [If the link fails to be created, amqp_messenger_do_work() shall change the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 551 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_096: [If the link fails to be created, amqp_messenger_do_work() shall change the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 552 LogError("Failed creating the AMQP link");
AzureIoTClient 39:e98d5df6dc74 553 }
AzureIoTClient 39:e98d5df6dc74 554 else
AzureIoTClient 39:e98d5df6dc74 555 {
AzureIoTClient 39:e98d5df6dc74 556 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_082: [The AMQP link maximum message size shall be set to UINT64_MAX using link_set_max_message_size()]
AzureIoTClient 39:e98d5df6dc74 557 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_099: [The AMQP link maximum message size shall be set to UINT64_MAX using link_set_max_message_size()]
AzureIoTClient 39:e98d5df6dc74 558 if (link_set_max_message_size(result, MESSAGE_SENDER_MAX_LINK_SIZE) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 559 {
AzureIoTClient 39:e98d5df6dc74 560 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_083: [If link_set_max_message_size() fails, it shall be logged and ignored.]
AzureIoTClient 39:e98d5df6dc74 561 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_100: [If link_set_max_message_size() fails, it shall be logged and ignored.]
AzureIoTClient 39:e98d5df6dc74 562 LogError("Failed setting link max message size.");
AzureIoTClient 39:e98d5df6dc74 563 }
AzureIoTClient 39:e98d5df6dc74 564
AzureIoTClient 39:e98d5df6dc74 565 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_080: [The AMQP link shall have its ATTACH properties set using `instance->config->send_link.attach_properties`]
AzureIoTClient 39:e98d5df6dc74 566 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_097: [The AMQP link shall have its ATTACH properties set using `instance->config->receive_link.attach_properties`]
AzureIoTClient 39:e98d5df6dc74 567 if (link_config->attach_properties != NULL &&
AzureIoTClient 39:e98d5df6dc74 568 add_link_attach_properties(result, link_config->attach_properties) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 569 {
AzureIoTClient 39:e98d5df6dc74 570 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_081: [If the AMQP link attach properties fail to be set, amqp_messenger_do_work() shall change the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 571 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_098: [If the AMQP link attach properties fail to be set, amqp_messenger_do_work() shall change the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 572 LogError("Failed setting link attach properties");
AzureIoTClient 39:e98d5df6dc74 573 link_destroy(result);
AzureIoTClient 39:e98d5df6dc74 574 result = NULL;
AzureIoTClient 39:e98d5df6dc74 575 }
AzureIoTClient 39:e98d5df6dc74 576 }
AzureIoTClient 39:e98d5df6dc74 577
AzureIoTClient 39:e98d5df6dc74 578 amqpvalue_destroy(source);
AzureIoTClient 39:e98d5df6dc74 579 amqpvalue_destroy(target);
AzureIoTClient 39:e98d5df6dc74 580 }
AzureIoTClient 39:e98d5df6dc74 581
AzureIoTClient 39:e98d5df6dc74 582 STRING_delete(link_name);
AzureIoTClient 39:e98d5df6dc74 583 }
AzureIoTClient 39:e98d5df6dc74 584
AzureIoTClient 39:e98d5df6dc74 585 STRING_delete(link_address);
AzureIoTClient 39:e98d5df6dc74 586 }
AzureIoTClient 39:e98d5df6dc74 587
AzureIoTClient 39:e98d5df6dc74 588 return result;
AzureIoTClient 39:e98d5df6dc74 589 }
AzureIoTClient 39:e98d5df6dc74 590
AzureIoTClient 39:e98d5df6dc74 591 static void destroy_message_sender(AMQP_MESSENGER_INSTANCE* instance)
AzureIoTClient 39:e98d5df6dc74 592 {
AzureIoTClient 39:e98d5df6dc74 593 if (instance->message_sender != NULL)
AzureIoTClient 39:e98d5df6dc74 594 {
AzureIoTClient 39:e98d5df6dc74 595 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_090: [`instance->message_sender` shall be destroyed using messagesender_destroy()]
AzureIoTClient 39:e98d5df6dc74 596 messagesender_destroy(instance->message_sender);
AzureIoTClient 39:e98d5df6dc74 597 instance->message_sender = NULL;
AzureIoTClient 39:e98d5df6dc74 598 instance->message_sender_current_state = MESSAGE_SENDER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 599 instance->message_sender_previous_state = MESSAGE_SENDER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 600 instance->last_message_sender_state_change_time = INDEFINITE_TIME;
AzureIoTClient 39:e98d5df6dc74 601 }
AzureIoTClient 39:e98d5df6dc74 602
AzureIoTClient 39:e98d5df6dc74 603 if (instance->sender_link != NULL)
AzureIoTClient 39:e98d5df6dc74 604 {
AzureIoTClient 39:e98d5df6dc74 605 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_091: [`instance->sender_link` shall be destroyed using link_destroy()]
AzureIoTClient 39:e98d5df6dc74 606 link_destroy(instance->sender_link);
AzureIoTClient 39:e98d5df6dc74 607 instance->sender_link = NULL;
AzureIoTClient 39:e98d5df6dc74 608 }
AzureIoTClient 39:e98d5df6dc74 609 }
AzureIoTClient 39:e98d5df6dc74 610
AzureIoTClient 39:e98d5df6dc74 611 static void on_message_sender_state_changed_callback(void* context, MESSAGE_SENDER_STATE new_state, MESSAGE_SENDER_STATE previous_state)
AzureIoTClient 39:e98d5df6dc74 612 {
AzureIoTClient 39:e98d5df6dc74 613 if (context == NULL)
AzureIoTClient 39:e98d5df6dc74 614 {
AzureIoTClient 39:e98d5df6dc74 615 LogError("on_message_sender_state_changed_callback was invoked with a NULL context; although unexpected, this failure will be ignored");
AzureIoTClient 39:e98d5df6dc74 616 }
AzureIoTClient 39:e98d5df6dc74 617 else if (new_state != previous_state)
AzureIoTClient 39:e98d5df6dc74 618 {
AzureIoTClient 39:e98d5df6dc74 619 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)context;
AzureIoTClient 39:e98d5df6dc74 620
AzureIoTClient 39:e98d5df6dc74 621 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_088: [`new_state`, `previous_state` shall be saved into `instance->message_sender_previous_state` and `instance->message_sender_current_state`]
AzureIoTClient 39:e98d5df6dc74 622 instance->message_sender_current_state = new_state;
AzureIoTClient 39:e98d5df6dc74 623 instance->message_sender_previous_state = previous_state;
AzureIoTClient 39:e98d5df6dc74 624 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_089: [`instance->last_message_sender_state_change_time` shall be set using get_time()]
AzureIoTClient 39:e98d5df6dc74 625 instance->last_message_sender_state_change_time = get_time(NULL);
AzureIoTClient 39:e98d5df6dc74 626 }
AzureIoTClient 39:e98d5df6dc74 627 }
AzureIoTClient 39:e98d5df6dc74 628
AzureIoTClient 39:e98d5df6dc74 629 static int create_message_sender(AMQP_MESSENGER_INSTANCE* instance)
AzureIoTClient 39:e98d5df6dc74 630 {
AzureIoTClient 39:e98d5df6dc74 631 int result;
AzureIoTClient 39:e98d5df6dc74 632
AzureIoTClient 39:e98d5df6dc74 633 if ((instance->sender_link = create_link(role_sender,
AzureIoTClient 39:e98d5df6dc74 634 instance->session_handle, &instance->config->send_link, instance->config->iothub_host_fqdn, instance->config->device_id)) == NULL)
AzureIoTClient 39:e98d5df6dc74 635 {
AzureIoTClient 39:e98d5df6dc74 636 LogError("Failed creating the message sender link");
AzureIoTClient 39:e98d5df6dc74 637 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 638 }
AzureIoTClient 39:e98d5df6dc74 639 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_084: [`instance->message_sender` shall be created using messagesender_create(), passing the `instance->sender_link` and `on_message_sender_state_changed_callback`]
AzureIoTClient 39:e98d5df6dc74 640 else if ((instance->message_sender = messagesender_create(instance->sender_link, on_message_sender_state_changed_callback, (void*)instance)) == NULL)
AzureIoTClient 39:e98d5df6dc74 641 {
AzureIoTClient 39:e98d5df6dc74 642 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_085: [If messagesender_create() fails, amqp_messenger_do_work() shall fail and return]
AzureIoTClient 39:e98d5df6dc74 643 LogError("Failed creating the message sender (messagesender_create failed)");
AzureIoTClient 39:e98d5df6dc74 644 destroy_message_sender(instance);
AzureIoTClient 39:e98d5df6dc74 645 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 646 }
AzureIoTClient 39:e98d5df6dc74 647 else
AzureIoTClient 39:e98d5df6dc74 648 {
AzureIoTClient 39:e98d5df6dc74 649 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_086: [`instance->message_sender` shall be opened using messagesender_open()]
AzureIoTClient 39:e98d5df6dc74 650 if (messagesender_open(instance->message_sender) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 651 {
AzureIoTClient 39:e98d5df6dc74 652 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_087: [If messagesender_open() fails, amqp_messenger_do_work() shall fail and return]
AzureIoTClient 39:e98d5df6dc74 653 LogError("Failed opening the AMQP message sender.");
AzureIoTClient 39:e98d5df6dc74 654 destroy_message_sender(instance);
AzureIoTClient 39:e98d5df6dc74 655 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 656 }
AzureIoTClient 39:e98d5df6dc74 657 else
AzureIoTClient 39:e98d5df6dc74 658 {
AzureIoTClient 39:e98d5df6dc74 659 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 660 }
AzureIoTClient 39:e98d5df6dc74 661 }
AzureIoTClient 39:e98d5df6dc74 662
AzureIoTClient 39:e98d5df6dc74 663 return result;
AzureIoTClient 39:e98d5df6dc74 664 }
AzureIoTClient 39:e98d5df6dc74 665
AzureIoTClient 39:e98d5df6dc74 666 static void destroy_message_receiver(AMQP_MESSENGER_INSTANCE* instance)
AzureIoTClient 39:e98d5df6dc74 667 {
AzureIoTClient 39:e98d5df6dc74 668 if (instance->message_receiver != NULL)
AzureIoTClient 39:e98d5df6dc74 669 {
AzureIoTClient 39:e98d5df6dc74 670 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_113: [`instance->message_receiver` shall be closed using messagereceiver_close()]
AzureIoTClient 39:e98d5df6dc74 671 if (messagereceiver_close(instance->message_receiver) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 672 {
AzureIoTClient 39:e98d5df6dc74 673 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_114: [If messagereceiver_close() fails, it shall be logged and ignored]
AzureIoTClient 39:e98d5df6dc74 674 LogError("Failed closing the AMQP message receiver (this failure will be ignored).");
AzureIoTClient 39:e98d5df6dc74 675 }
AzureIoTClient 39:e98d5df6dc74 676
AzureIoTClient 39:e98d5df6dc74 677 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_115: [`instance->message_receiver` shall be destroyed using messagereceiver_destroy()]
AzureIoTClient 39:e98d5df6dc74 678 messagereceiver_destroy(instance->message_receiver);
AzureIoTClient 39:e98d5df6dc74 679
AzureIoTClient 39:e98d5df6dc74 680 instance->message_receiver = NULL;
AzureIoTClient 39:e98d5df6dc74 681 instance->message_receiver_current_state = MESSAGE_RECEIVER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 682 instance->message_receiver_previous_state = MESSAGE_RECEIVER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 683 instance->last_message_receiver_state_change_time = INDEFINITE_TIME;
AzureIoTClient 39:e98d5df6dc74 684 }
AzureIoTClient 39:e98d5df6dc74 685
AzureIoTClient 39:e98d5df6dc74 686 if (instance->receiver_link != NULL)
AzureIoTClient 39:e98d5df6dc74 687 {
AzureIoTClient 39:e98d5df6dc74 688 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_116: [`instance->receiver_link` shall be destroyed using link_destroy()]
AzureIoTClient 39:e98d5df6dc74 689 link_destroy(instance->receiver_link);
AzureIoTClient 39:e98d5df6dc74 690 instance->receiver_link = NULL;
AzureIoTClient 39:e98d5df6dc74 691 }
AzureIoTClient 39:e98d5df6dc74 692 }
AzureIoTClient 39:e98d5df6dc74 693
AzureIoTClient 39:e98d5df6dc74 694 static void on_message_receiver_state_changed_callback(const void* context, MESSAGE_RECEIVER_STATE new_state, MESSAGE_RECEIVER_STATE previous_state)
AzureIoTClient 39:e98d5df6dc74 695 {
AzureIoTClient 39:e98d5df6dc74 696 if (context == NULL)
AzureIoTClient 39:e98d5df6dc74 697 {
AzureIoTClient 39:e98d5df6dc74 698 LogError("on_message_receiver_state_changed_callback was invoked with a NULL context; although unexpected, this failure will be ignored");
AzureIoTClient 39:e98d5df6dc74 699 }
AzureIoTClient 39:e98d5df6dc74 700 else
AzureIoTClient 39:e98d5df6dc74 701 {
AzureIoTClient 39:e98d5df6dc74 702 if (new_state != previous_state)
AzureIoTClient 39:e98d5df6dc74 703 {
AzureIoTClient 39:e98d5df6dc74 704 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)context;
AzureIoTClient 39:e98d5df6dc74 705
AzureIoTClient 39:e98d5df6dc74 706 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_105: [`new_state`, `previous_state` shall be saved into `instance->message_receiver_previous_state` and `instance->message_receiver_current_state`]
AzureIoTClient 39:e98d5df6dc74 707 instance->message_receiver_current_state = new_state;
AzureIoTClient 39:e98d5df6dc74 708 instance->message_receiver_previous_state = previous_state;
AzureIoTClient 39:e98d5df6dc74 709 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_106: [`instance->last_message_receiver_state_change_time` shall be set using get_time()]
AzureIoTClient 39:e98d5df6dc74 710 instance->last_message_receiver_state_change_time = get_time(NULL);
AzureIoTClient 39:e98d5df6dc74 711
AzureIoTClient 39:e98d5df6dc74 712 if (new_state == MESSAGE_RECEIVER_STATE_OPEN)
AzureIoTClient 39:e98d5df6dc74 713 {
AzureIoTClient 39:e98d5df6dc74 714 if (instance->config->on_subscription_changed_callback != NULL)
AzureIoTClient 39:e98d5df6dc74 715 {
AzureIoTClient 39:e98d5df6dc74 716 instance->config->on_subscription_changed_callback(instance->config->on_subscription_changed_context, true);
AzureIoTClient 39:e98d5df6dc74 717 }
AzureIoTClient 39:e98d5df6dc74 718 }
AzureIoTClient 39:e98d5df6dc74 719 else if (previous_state == MESSAGE_RECEIVER_STATE_OPEN && new_state != MESSAGE_RECEIVER_STATE_OPEN)
AzureIoTClient 39:e98d5df6dc74 720 {
AzureIoTClient 39:e98d5df6dc74 721 if (instance->config->on_subscription_changed_callback != NULL)
AzureIoTClient 39:e98d5df6dc74 722 {
AzureIoTClient 39:e98d5df6dc74 723 instance->config->on_subscription_changed_callback(instance->config->on_subscription_changed_context, false);
AzureIoTClient 39:e98d5df6dc74 724 }
AzureIoTClient 39:e98d5df6dc74 725 }
AzureIoTClient 39:e98d5df6dc74 726 }
AzureIoTClient 39:e98d5df6dc74 727 }
AzureIoTClient 39:e98d5df6dc74 728 }
AzureIoTClient 39:e98d5df6dc74 729
AzureIoTClient 39:e98d5df6dc74 730 static AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO* create_message_disposition_info(AMQP_MESSENGER_INSTANCE* messenger)
AzureIoTClient 39:e98d5df6dc74 731 {
AzureIoTClient 39:e98d5df6dc74 732 AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO* result;
AzureIoTClient 39:e98d5df6dc74 733
AzureIoTClient 39:e98d5df6dc74 734 if ((result = (AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO*)malloc(sizeof(AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO))) == NULL)
AzureIoTClient 39:e98d5df6dc74 735 {
AzureIoTClient 39:e98d5df6dc74 736 LogError("Failed creating AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO container (malloc failed)");
AzureIoTClient 39:e98d5df6dc74 737 result = NULL;
AzureIoTClient 39:e98d5df6dc74 738 }
AzureIoTClient 39:e98d5df6dc74 739 else
AzureIoTClient 39:e98d5df6dc74 740 {
AzureIoTClient 39:e98d5df6dc74 741 delivery_number message_id;
AzureIoTClient 39:e98d5df6dc74 742
AzureIoTClient 39:e98d5df6dc74 743 if (messagereceiver_get_received_message_id(messenger->message_receiver, &message_id) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 744 {
AzureIoTClient 39:e98d5df6dc74 745 LogError("Failed creating AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO container (messagereceiver_get_received_message_id failed)");
AzureIoTClient 39:e98d5df6dc74 746 free(result);
AzureIoTClient 39:e98d5df6dc74 747 result = NULL;
AzureIoTClient 39:e98d5df6dc74 748 }
AzureIoTClient 39:e98d5df6dc74 749 else
AzureIoTClient 39:e98d5df6dc74 750 {
AzureIoTClient 39:e98d5df6dc74 751 const char* link_name;
AzureIoTClient 39:e98d5df6dc74 752
AzureIoTClient 39:e98d5df6dc74 753 if (messagereceiver_get_link_name(messenger->message_receiver, &link_name) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 754 {
AzureIoTClient 39:e98d5df6dc74 755 LogError("Failed creating AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO container (messagereceiver_get_link_name failed)");
AzureIoTClient 39:e98d5df6dc74 756 free(result);
AzureIoTClient 39:e98d5df6dc74 757 result = NULL;
AzureIoTClient 39:e98d5df6dc74 758 }
AzureIoTClient 39:e98d5df6dc74 759 else if (mallocAndStrcpy_s(&result->source, link_name) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 760 {
AzureIoTClient 39:e98d5df6dc74 761 LogError("Failed creating AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO container (failed copying link name)");
AzureIoTClient 39:e98d5df6dc74 762 free(result);
AzureIoTClient 39:e98d5df6dc74 763 result = NULL;
AzureIoTClient 39:e98d5df6dc74 764 }
AzureIoTClient 39:e98d5df6dc74 765 else
AzureIoTClient 39:e98d5df6dc74 766 {
AzureIoTClient 39:e98d5df6dc74 767 result->message_id = message_id;
AzureIoTClient 39:e98d5df6dc74 768 }
AzureIoTClient 39:e98d5df6dc74 769 }
AzureIoTClient 39:e98d5df6dc74 770 }
AzureIoTClient 39:e98d5df6dc74 771
AzureIoTClient 39:e98d5df6dc74 772 return result;
AzureIoTClient 39:e98d5df6dc74 773 }
AzureIoTClient 39:e98d5df6dc74 774
AzureIoTClient 39:e98d5df6dc74 775 static void destroy_message_disposition_info(AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO* disposition_info)
AzureIoTClient 39:e98d5df6dc74 776 {
AzureIoTClient 39:e98d5df6dc74 777 free(disposition_info->source);
AzureIoTClient 39:e98d5df6dc74 778 free(disposition_info);
AzureIoTClient 39:e98d5df6dc74 779 }
AzureIoTClient 39:e98d5df6dc74 780
AzureIoTClient 39:e98d5df6dc74 781 static AMQP_VALUE create_uamqp_disposition_result_from(AMQP_MESSENGER_DISPOSITION_RESULT disposition_result)
AzureIoTClient 39:e98d5df6dc74 782 {
AzureIoTClient 39:e98d5df6dc74 783 AMQP_VALUE uamqp_disposition_result;
AzureIoTClient 39:e98d5df6dc74 784
AzureIoTClient 39:e98d5df6dc74 785 if (disposition_result == AMQP_MESSENGER_DISPOSITION_RESULT_NONE)
AzureIoTClient 39:e98d5df6dc74 786 {
AzureIoTClient 39:e98d5df6dc74 787 uamqp_disposition_result = NULL; // intentionally not sending an answer.
AzureIoTClient 39:e98d5df6dc74 788 }
AzureIoTClient 39:e98d5df6dc74 789 else if (disposition_result == AMQP_MESSENGER_DISPOSITION_RESULT_ACCEPTED)
AzureIoTClient 39:e98d5df6dc74 790 {
AzureIoTClient 39:e98d5df6dc74 791 uamqp_disposition_result = messaging_delivery_accepted();
AzureIoTClient 39:e98d5df6dc74 792 }
AzureIoTClient 39:e98d5df6dc74 793 else if (disposition_result == AMQP_MESSENGER_DISPOSITION_RESULT_RELEASED)
AzureIoTClient 39:e98d5df6dc74 794 {
AzureIoTClient 39:e98d5df6dc74 795 uamqp_disposition_result = messaging_delivery_released();
AzureIoTClient 39:e98d5df6dc74 796 }
AzureIoTClient 39:e98d5df6dc74 797 else // id est, if (disposition_result == AMQP_MESSENGER_DISPOSITION_RESULT_REJECTED)
AzureIoTClient 39:e98d5df6dc74 798 {
AzureIoTClient 39:e98d5df6dc74 799 uamqp_disposition_result = messaging_delivery_rejected("Rejected by application", "Rejected by application");
AzureIoTClient 39:e98d5df6dc74 800 }
AzureIoTClient 39:e98d5df6dc74 801
AzureIoTClient 39:e98d5df6dc74 802 return uamqp_disposition_result;
AzureIoTClient 39:e98d5df6dc74 803 }
AzureIoTClient 39:e98d5df6dc74 804
AzureIoTClient 39:e98d5df6dc74 805 static AMQP_VALUE on_message_received_internal_callback(const void* context, MESSAGE_HANDLE message)
AzureIoTClient 39:e98d5df6dc74 806 {
AzureIoTClient 39:e98d5df6dc74 807 AMQP_VALUE result;
AzureIoTClient 39:e98d5df6dc74 808 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)context;
AzureIoTClient 39:e98d5df6dc74 809 AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO* message_disposition_info;
AzureIoTClient 39:e98d5df6dc74 810
AzureIoTClient 39:e98d5df6dc74 811 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_107: [A AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO instance shall be created containing the source link name and message delivery ID]
AzureIoTClient 39:e98d5df6dc74 812 if ((message_disposition_info = create_message_disposition_info(instance)) == NULL)
AzureIoTClient 39:e98d5df6dc74 813 {
AzureIoTClient 39:e98d5df6dc74 814 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_108: [If the AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO instance fails to be created, on_message_received_internal_callback shall return the result of messaging_delivery_released()]
AzureIoTClient 39:e98d5df6dc74 815 LogError("on_message_received_internal_callback failed (failed creating AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO).");
AzureIoTClient 39:e98d5df6dc74 816 result = messaging_delivery_released();
AzureIoTClient 39:e98d5df6dc74 817 }
AzureIoTClient 39:e98d5df6dc74 818 else
AzureIoTClient 39:e98d5df6dc74 819 {
AzureIoTClient 39:e98d5df6dc74 820 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_109: [`instance->on_message_received_callback` shall be invoked passing the `message` and AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO instance]
AzureIoTClient 39:e98d5df6dc74 821 AMQP_MESSENGER_DISPOSITION_RESULT disposition_result = instance->on_message_received_callback(message, message_disposition_info, instance->on_message_received_context);
AzureIoTClient 39:e98d5df6dc74 822
AzureIoTClient 39:e98d5df6dc74 823 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_110: [If `instance->on_message_received_callback` returns AMQP_MESSENGER_DISPOSITION_RESULT_ACCEPTED, on_message_received_internal_callback shall return the result of messaging_delivery_accepted()]
AzureIoTClient 39:e98d5df6dc74 824 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_111: [If `instance->on_message_received_callback` returns AMQP_MESSENGER_DISPOSITION_RESULT_RELEASED, on_message_received_internal_callback shall return the result of messaging_delivery_released()]
AzureIoTClient 39:e98d5df6dc74 825 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_112: [If `instance->on_message_received_callback` returns AMQP_MESSENGER_DISPOSITION_RESULT_REJECTED, on_message_received_internal_callback shall return the result of messaging_delivery_rejected()]
AzureIoTClient 39:e98d5df6dc74 826 result = create_uamqp_disposition_result_from(disposition_result);
AzureIoTClient 39:e98d5df6dc74 827 }
AzureIoTClient 39:e98d5df6dc74 828
AzureIoTClient 39:e98d5df6dc74 829 return result;
AzureIoTClient 39:e98d5df6dc74 830 }
AzureIoTClient 39:e98d5df6dc74 831
AzureIoTClient 39:e98d5df6dc74 832 static int create_message_receiver(AMQP_MESSENGER_INSTANCE* instance)
AzureIoTClient 39:e98d5df6dc74 833 {
AzureIoTClient 39:e98d5df6dc74 834 int result;
AzureIoTClient 39:e98d5df6dc74 835
AzureIoTClient 39:e98d5df6dc74 836 if ((instance->receiver_link = create_link(role_receiver,
AzureIoTClient 39:e98d5df6dc74 837 instance->session_handle, &instance->config->receive_link, instance->config->iothub_host_fqdn, instance->config->device_id)) == NULL)
AzureIoTClient 39:e98d5df6dc74 838 {
AzureIoTClient 39:e98d5df6dc74 839 LogError("Failed creating the message receiver link");
AzureIoTClient 39:e98d5df6dc74 840 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 841 }
AzureIoTClient 39:e98d5df6dc74 842 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_101: [`instance->message_receiver` shall be created using messagereceiver_create(), passing the `instance->receiver_link` and `on_message_receiver_state_changed_callback`]
AzureIoTClient 39:e98d5df6dc74 843 else if ((instance->message_receiver = messagereceiver_create(instance->receiver_link, on_message_receiver_state_changed_callback, (void*)instance)) == NULL)
AzureIoTClient 39:e98d5df6dc74 844 {
AzureIoTClient 39:e98d5df6dc74 845 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_102: [If messagereceiver_create() fails, amqp_messenger_do_work() shall fail and return]
AzureIoTClient 39:e98d5df6dc74 846 LogError("Failed creating the message receiver (messagereceiver_create failed)");
AzureIoTClient 39:e98d5df6dc74 847 destroy_message_receiver(instance);
AzureIoTClient 39:e98d5df6dc74 848 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 849 }
AzureIoTClient 39:e98d5df6dc74 850 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_103: [`instance->message_receiver` shall be opened using messagereceiver_open() passing `on_message_received_internal_callback`]
AzureIoTClient 39:e98d5df6dc74 851 else if (messagereceiver_open(instance->message_receiver, on_message_received_internal_callback, (void*)instance) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 852 {
AzureIoTClient 39:e98d5df6dc74 853 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_104: [If messagereceiver_open() fails, amqp_messenger_do_work() shall fail and return]
AzureIoTClient 39:e98d5df6dc74 854 LogError("Failed opening the AMQP message receiver.");
AzureIoTClient 39:e98d5df6dc74 855 destroy_message_receiver(instance);
AzureIoTClient 39:e98d5df6dc74 856 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 857 }
AzureIoTClient 39:e98d5df6dc74 858 else
AzureIoTClient 39:e98d5df6dc74 859 {
AzureIoTClient 39:e98d5df6dc74 860 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 861 }
AzureIoTClient 39:e98d5df6dc74 862
AzureIoTClient 39:e98d5df6dc74 863 return result;
AzureIoTClient 39:e98d5df6dc74 864 }
AzureIoTClient 39:e98d5df6dc74 865
AzureIoTClient 39:e98d5df6dc74 866 static void on_send_complete_callback(void* context, MESSAGE_SEND_RESULT send_result)
AzureIoTClient 39:e98d5df6dc74 867 {
AzureIoTClient 39:e98d5df6dc74 868 if (context != NULL)
AzureIoTClient 39:e98d5df6dc74 869 {
AzureIoTClient 39:e98d5df6dc74 870 MESSAGE_QUEUE_RESULT mq_result;
AzureIoTClient 39:e98d5df6dc74 871 MESSAGE_SEND_CONTEXT* msg_ctx = (MESSAGE_SEND_CONTEXT*)context;
AzureIoTClient 39:e98d5df6dc74 872
AzureIoTClient 39:e98d5df6dc74 873 if (send_result == MESSAGE_SEND_OK)
AzureIoTClient 39:e98d5df6dc74 874 {
AzureIoTClient 39:e98d5df6dc74 875 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_121: [If no failure occurs, `context->on_process_message_completed_callback` shall be invoked with result MESSAGE_QUEUE_SUCCESS]
AzureIoTClient 39:e98d5df6dc74 876 mq_result = MESSAGE_QUEUE_SUCCESS;
AzureIoTClient 39:e98d5df6dc74 877 }
AzureIoTClient 39:e98d5df6dc74 878 else
AzureIoTClient 39:e98d5df6dc74 879 {
AzureIoTClient 39:e98d5df6dc74 880 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_122: [If a failure occurred, `context->on_process_message_completed_callback` shall be invoked with result MESSAGE_QUEUE_ERROR]
AzureIoTClient 39:e98d5df6dc74 881 mq_result = MESSAGE_QUEUE_ERROR;
AzureIoTClient 39:e98d5df6dc74 882 }
AzureIoTClient 39:e98d5df6dc74 883
AzureIoTClient 39:e98d5df6dc74 884 msg_ctx->on_process_message_completed_callback(msg_ctx->messenger->send_queue, (MQ_MESSAGE_HANDLE)msg_ctx->message, mq_result, NULL);
AzureIoTClient 39:e98d5df6dc74 885 }
AzureIoTClient 39:e98d5df6dc74 886 }
AzureIoTClient 39:e98d5df6dc74 887
AzureIoTClient 39:e98d5df6dc74 888 static void on_process_message_callback(MESSAGE_QUEUE_HANDLE message_queue, MQ_MESSAGE_HANDLE message, PROCESS_MESSAGE_COMPLETED_CALLBACK on_process_message_completed_callback, void* context)
AzureIoTClient 39:e98d5df6dc74 889 {
AzureIoTClient 39:e98d5df6dc74 890 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_117: [If any argument is NULL, `on_process_message_callback` shall return immediatelly]
AzureIoTClient 39:e98d5df6dc74 891 if (message_queue == NULL || message == NULL || on_process_message_completed_callback == NULL || context == NULL)
AzureIoTClient 39:e98d5df6dc74 892 {
AzureIoTClient 39:e98d5df6dc74 893 LogError("Invalid argument (message_queue=%p, message=%p, on_process_message_completed_callback=%p, context=%p)", message_queue, message, on_process_message_completed_callback, context);
AzureIoTClient 39:e98d5df6dc74 894 }
AzureIoTClient 39:e98d5df6dc74 895 else
AzureIoTClient 39:e98d5df6dc74 896 {
AzureIoTClient 39:e98d5df6dc74 897 MESSAGE_SEND_CONTEXT* message_context = (MESSAGE_SEND_CONTEXT*)context;
AzureIoTClient 39:e98d5df6dc74 898 message_context->on_process_message_completed_callback = on_process_message_completed_callback;
AzureIoTClient 39:e98d5df6dc74 899
AzureIoTClient 39:e98d5df6dc74 900 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_118: [The MESSAGE_HANDLE shall be submitted for sending using messagesender_send(), passing `on_send_complete_callback`]
AzureIoTClient 43:3da2d93bb955 901 if (messagesender_send_async(message_context->messenger->message_sender, (MESSAGE_HANDLE)message, on_send_complete_callback, context, 0) == NULL)
AzureIoTClient 39:e98d5df6dc74 902 {
AzureIoTClient 39:e98d5df6dc74 903 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_119: [If messagesender_send() fails, `on_process_message_completed_callback` shall be invoked with result MESSAGE_QUEUE_ERROR]
AzureIoTClient 39:e98d5df6dc74 904 LogError("Failed sending AMQP message");
AzureIoTClient 39:e98d5df6dc74 905 on_process_message_completed_callback(message_queue, message, MESSAGE_QUEUE_ERROR, NULL);
AzureIoTClient 39:e98d5df6dc74 906 }
AzureIoTClient 39:e98d5df6dc74 907
AzureIoTClient 39:e98d5df6dc74 908 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_120: [The MESSAGE_HANDLE shall be destroyed using message_destroy() and marked as destroyed in the context provided]
AzureIoTClient 39:e98d5df6dc74 909 message_destroy((MESSAGE_HANDLE)message);
AzureIoTClient 39:e98d5df6dc74 910 message_context->is_destroyed = true;
AzureIoTClient 39:e98d5df6dc74 911 }
AzureIoTClient 39:e98d5df6dc74 912 }
AzureIoTClient 39:e98d5df6dc74 913
AzureIoTClient 39:e98d5df6dc74 914 static void on_message_processing_completed_callback(MQ_MESSAGE_HANDLE message, MESSAGE_QUEUE_RESULT result, USER_DEFINED_REASON reason, void* message_context)
AzureIoTClient 39:e98d5df6dc74 915 {
AzureIoTClient 39:e98d5df6dc74 916 (void)reason;
AzureIoTClient 39:e98d5df6dc74 917
AzureIoTClient 39:e98d5df6dc74 918 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_020: [If `messenger_context` is NULL, `on_message_processing_completed_callback` shall return immediately]
AzureIoTClient 39:e98d5df6dc74 919 if (message_context == NULL)
AzureIoTClient 39:e98d5df6dc74 920 {
AzureIoTClient 39:e98d5df6dc74 921 LogError("on_message_processing_completed_callback invoked with NULL context");
AzureIoTClient 39:e98d5df6dc74 922 }
AzureIoTClient 39:e98d5df6dc74 923 else
AzureIoTClient 39:e98d5df6dc74 924 {
AzureIoTClient 39:e98d5df6dc74 925 MESSAGE_SEND_CONTEXT* msg_ctx = (MESSAGE_SEND_CONTEXT*)message_context;
AzureIoTClient 39:e98d5df6dc74 926 AMQP_MESSENGER_SEND_RESULT messenger_send_result;
AzureIoTClient 39:e98d5df6dc74 927 AMQP_MESSENGER_REASON messenger_send_reason;
AzureIoTClient 39:e98d5df6dc74 928
AzureIoTClient 39:e98d5df6dc74 929 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_021: [If `result` is MESSAGE_QUEUE_SUCCESS, `send_ctx->on_send_complete_callback` shall be invoked with AMQP_MESSENGER_SEND_RESULT_SUCCESS and AMQP_MESSENGER_REASON_NONE]
AzureIoTClient 39:e98d5df6dc74 930 if (result == MESSAGE_QUEUE_SUCCESS)
AzureIoTClient 39:e98d5df6dc74 931 {
AzureIoTClient 39:e98d5df6dc74 932 messenger_send_result = AMQP_MESSENGER_SEND_RESULT_SUCCESS;
AzureIoTClient 39:e98d5df6dc74 933 messenger_send_reason = AMQP_MESSENGER_REASON_NONE;
AzureIoTClient 39:e98d5df6dc74 934
AzureIoTClient 39:e98d5df6dc74 935 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_025: [If `result` is MESSAGE_QUEUE_SUCCESS or MESSAGE_QUEUE_CANCELLED, `instance->send_error_count` shall be set to 0]
AzureIoTClient 39:e98d5df6dc74 936 msg_ctx->messenger->send_error_count = 0;
AzureIoTClient 39:e98d5df6dc74 937 }
AzureIoTClient 39:e98d5df6dc74 938 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_022: [If `result` is MESSAGE_QUEUE_TIMEOUT, `send_ctx->on_send_complete_callback` shall be invoked with AMQP_MESSENGER_SEND_RESULT_ERROR and AMQP_MESSENGER_REASON_TIMEOUT]
AzureIoTClient 39:e98d5df6dc74 939 else if (result == MESSAGE_QUEUE_TIMEOUT)
AzureIoTClient 39:e98d5df6dc74 940 {
AzureIoTClient 39:e98d5df6dc74 941 messenger_send_result = AMQP_MESSENGER_SEND_RESULT_ERROR;
AzureIoTClient 39:e98d5df6dc74 942 messenger_send_reason = AMQP_MESSENGER_REASON_TIMEOUT;
AzureIoTClient 39:e98d5df6dc74 943
AzureIoTClient 39:e98d5df6dc74 944 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_026: [Otherwise `instance->send_error_count` shall be incremented by 1]
AzureIoTClient 39:e98d5df6dc74 945 msg_ctx->messenger->send_error_count++;
AzureIoTClient 39:e98d5df6dc74 946 }
AzureIoTClient 39:e98d5df6dc74 947 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_023: [If `result` is MESSAGE_QUEUE_CANCELLED and the messenger is STOPPED, `send_ctx->on_send_complete_callback` shall be invoked with AMQP_MESSENGER_SEND_RESULT_CANCELLED and AMQP_MESSENGER_REASON_MESSENGER_DESTROYED]
AzureIoTClient 39:e98d5df6dc74 948 else if (result == MESSAGE_QUEUE_CANCELLED && msg_ctx->messenger->state == AMQP_MESSENGER_STATE_STOPPED)
AzureIoTClient 39:e98d5df6dc74 949 {
AzureIoTClient 39:e98d5df6dc74 950 messenger_send_result = AMQP_MESSENGER_SEND_RESULT_CANCELLED;
AzureIoTClient 39:e98d5df6dc74 951 messenger_send_reason = AMQP_MESSENGER_REASON_MESSENGER_DESTROYED;
AzureIoTClient 39:e98d5df6dc74 952
AzureIoTClient 39:e98d5df6dc74 953 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_025: [If `result` is MESSAGE_QUEUE_SUCCESS or MESSAGE_QUEUE_CANCELLED, `instance->send_error_count` shall be set to 0]
AzureIoTClient 39:e98d5df6dc74 954 msg_ctx->messenger->send_error_count = 0;
AzureIoTClient 39:e98d5df6dc74 955 }
AzureIoTClient 39:e98d5df6dc74 956 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_024: [Otherwise `send_ctx->on_send_complete_callback` shall be invoked with AMQP_MESSENGER_SEND_RESULT_ERROR and AMQP_MESSENGER_REASON_FAIL_SENDING]
AzureIoTClient 39:e98d5df6dc74 957 else
AzureIoTClient 39:e98d5df6dc74 958 {
AzureIoTClient 39:e98d5df6dc74 959 messenger_send_result = AMQP_MESSENGER_SEND_RESULT_ERROR;
AzureIoTClient 39:e98d5df6dc74 960 messenger_send_reason = AMQP_MESSENGER_REASON_FAIL_SENDING;
AzureIoTClient 39:e98d5df6dc74 961
AzureIoTClient 39:e98d5df6dc74 962 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_026: [Otherwise `instance->send_error_count` shall be incremented by 1]
AzureIoTClient 39:e98d5df6dc74 963 msg_ctx->messenger->send_error_count++;
AzureIoTClient 39:e98d5df6dc74 964 }
AzureIoTClient 39:e98d5df6dc74 965
AzureIoTClient 39:e98d5df6dc74 966 if (msg_ctx->on_send_complete_callback != NULL)
AzureIoTClient 39:e98d5df6dc74 967 {
AzureIoTClient 39:e98d5df6dc74 968 msg_ctx->on_send_complete_callback(messenger_send_result, messenger_send_reason, msg_ctx->user_context);
AzureIoTClient 39:e98d5df6dc74 969 }
AzureIoTClient 39:e98d5df6dc74 970
AzureIoTClient 39:e98d5df6dc74 971 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_027: [If `message` has not been destroyed, it shall be destroyed using message_destroy()]
AzureIoTClient 39:e98d5df6dc74 972 if (!msg_ctx->is_destroyed)
AzureIoTClient 39:e98d5df6dc74 973 {
AzureIoTClient 39:e98d5df6dc74 974 message_destroy((MESSAGE_HANDLE)message);
AzureIoTClient 39:e98d5df6dc74 975 }
AzureIoTClient 39:e98d5df6dc74 976
AzureIoTClient 39:e98d5df6dc74 977 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_028: [`send_ctx` shall be destroyed]
AzureIoTClient 39:e98d5df6dc74 978 destroy_message_send_context(msg_ctx);
AzureIoTClient 39:e98d5df6dc74 979 }
AzureIoTClient 39:e98d5df6dc74 980 }
AzureIoTClient 39:e98d5df6dc74 981
AzureIoTClient 39:e98d5df6dc74 982
AzureIoTClient 39:e98d5df6dc74 983 // ---------- Set/Retrieve Options Helpers ----------//
AzureIoTClient 39:e98d5df6dc74 984
AzureIoTClient 39:e98d5df6dc74 985 static void* amqp_messenger_clone_option(const char* name, const void* value)
AzureIoTClient 39:e98d5df6dc74 986 {
AzureIoTClient 39:e98d5df6dc74 987 void* result;
AzureIoTClient 39:e98d5df6dc74 988
AzureIoTClient 39:e98d5df6dc74 989 if (name == NULL || value == NULL)
AzureIoTClient 39:e98d5df6dc74 990 {
AzureIoTClient 39:e98d5df6dc74 991 LogError("invalid argument (name=%p, value=%p)", name, value);
AzureIoTClient 39:e98d5df6dc74 992 result = NULL;
AzureIoTClient 39:e98d5df6dc74 993 }
AzureIoTClient 39:e98d5df6dc74 994 else
AzureIoTClient 39:e98d5df6dc74 995 {
AzureIoTClient 39:e98d5df6dc74 996 if (strcmp(MESSENGER_SAVED_MQ_OPTIONS, name) == 0)
AzureIoTClient 39:e98d5df6dc74 997 {
AzureIoTClient 39:e98d5df6dc74 998 if ((result = (void*)OptionHandler_Clone((OPTIONHANDLER_HANDLE)value)) == NULL)
AzureIoTClient 39:e98d5df6dc74 999 {
AzureIoTClient 39:e98d5df6dc74 1000 LogError("failed cloning option '%s'", name);
AzureIoTClient 39:e98d5df6dc74 1001 }
AzureIoTClient 39:e98d5df6dc74 1002 }
AzureIoTClient 39:e98d5df6dc74 1003 else
AzureIoTClient 39:e98d5df6dc74 1004 {
AzureIoTClient 39:e98d5df6dc74 1005 LogError("Failed to clone messenger option (option with name '%s' is not suppported)", name);
AzureIoTClient 39:e98d5df6dc74 1006 result = NULL;
AzureIoTClient 39:e98d5df6dc74 1007 }
AzureIoTClient 39:e98d5df6dc74 1008 }
AzureIoTClient 39:e98d5df6dc74 1009
AzureIoTClient 39:e98d5df6dc74 1010 return result;
AzureIoTClient 39:e98d5df6dc74 1011 }
AzureIoTClient 39:e98d5df6dc74 1012
AzureIoTClient 39:e98d5df6dc74 1013 static void amqp_messenger_destroy_option(const char* name, const void* value)
AzureIoTClient 39:e98d5df6dc74 1014 {
AzureIoTClient 39:e98d5df6dc74 1015 if (name == NULL || value == NULL)
AzureIoTClient 39:e98d5df6dc74 1016 {
AzureIoTClient 39:e98d5df6dc74 1017 LogError("invalid argument (name=%p, value=%p)", name, value);
AzureIoTClient 39:e98d5df6dc74 1018 }
AzureIoTClient 39:e98d5df6dc74 1019 else if (strcmp(MESSENGER_SAVED_MQ_OPTIONS, name) == 0)
AzureIoTClient 39:e98d5df6dc74 1020 {
AzureIoTClient 39:e98d5df6dc74 1021 OptionHandler_Destroy((OPTIONHANDLER_HANDLE)value);
AzureIoTClient 39:e98d5df6dc74 1022 }
AzureIoTClient 39:e98d5df6dc74 1023 else
AzureIoTClient 39:e98d5df6dc74 1024 {
AzureIoTClient 39:e98d5df6dc74 1025 LogError("invalid argument (option '%s' is not suppported)", name);
AzureIoTClient 39:e98d5df6dc74 1026 }
AzureIoTClient 39:e98d5df6dc74 1027 }
AzureIoTClient 39:e98d5df6dc74 1028
AzureIoTClient 39:e98d5df6dc74 1029
AzureIoTClient 39:e98d5df6dc74 1030 // Public API:
AzureIoTClient 39:e98d5df6dc74 1031
AzureIoTClient 39:e98d5df6dc74 1032 int amqp_messenger_subscribe_for_messages(AMQP_MESSENGER_HANDLE messenger_handle, ON_AMQP_MESSENGER_MESSAGE_RECEIVED on_message_received_callback, void* context)
AzureIoTClient 39:e98d5df6dc74 1033 {
AzureIoTClient 39:e98d5df6dc74 1034 int result;
AzureIoTClient 39:e98d5df6dc74 1035
AzureIoTClient 39:e98d5df6dc74 1036 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_035: [If `messenger_handle` or `on_message_received_callback` are NULL, amqp_messenger_subscribe_for_messages() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1037 if (messenger_handle == NULL || on_message_received_callback == NULL || context == NULL)
AzureIoTClient 39:e98d5df6dc74 1038 {
AzureIoTClient 39:e98d5df6dc74 1039 LogError("Invalid argument (messenger_handle=%p, on_message_received_callback=%p, context=%p)", messenger_handle, on_message_received_callback, context);
AzureIoTClient 39:e98d5df6dc74 1040 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1041 }
AzureIoTClient 39:e98d5df6dc74 1042 else
AzureIoTClient 39:e98d5df6dc74 1043 {
AzureIoTClient 39:e98d5df6dc74 1044 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1045
AzureIoTClient 39:e98d5df6dc74 1046 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_036: [`on_message_received_callback` and `context` shall be saved on `instance->on_message_received_callback`]
AzureIoTClient 39:e98d5df6dc74 1047 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_037: [amqp_messenger_subscribe_for_messages() shall set `instance->receive_messages` to true]
AzureIoTClient 39:e98d5df6dc74 1048 instance->on_message_received_callback = on_message_received_callback;
AzureIoTClient 39:e98d5df6dc74 1049 instance->on_message_received_context = context;
AzureIoTClient 39:e98d5df6dc74 1050 instance->receive_messages = true;
AzureIoTClient 39:e98d5df6dc74 1051
AzureIoTClient 39:e98d5df6dc74 1052 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_038: [If no failures occurr, amqp_messenger_subscribe_for_messages() shall return 0]
AzureIoTClient 39:e98d5df6dc74 1053 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1054 }
AzureIoTClient 39:e98d5df6dc74 1055
AzureIoTClient 39:e98d5df6dc74 1056 return result;
AzureIoTClient 39:e98d5df6dc74 1057 }
AzureIoTClient 39:e98d5df6dc74 1058
AzureIoTClient 39:e98d5df6dc74 1059 int amqp_messenger_unsubscribe_for_messages(AMQP_MESSENGER_HANDLE messenger_handle)
AzureIoTClient 39:e98d5df6dc74 1060 {
AzureIoTClient 39:e98d5df6dc74 1061 int result;
AzureIoTClient 39:e98d5df6dc74 1062
AzureIoTClient 39:e98d5df6dc74 1063 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_039: [If `messenger_handle` is NULL, amqp_messenger_unsubscribe_for_messages() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1064 if (messenger_handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1065 {
AzureIoTClient 39:e98d5df6dc74 1066 LogError("Invalid argument (messenger_handle is NULL)");
AzureIoTClient 39:e98d5df6dc74 1067 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1068 }
AzureIoTClient 39:e98d5df6dc74 1069 else
AzureIoTClient 39:e98d5df6dc74 1070 {
AzureIoTClient 39:e98d5df6dc74 1071 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1072
AzureIoTClient 39:e98d5df6dc74 1073 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_040: [`instance->receive_messages` shall be saved to false]
AzureIoTClient 39:e98d5df6dc74 1074 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_041: [`instance->on_message_received_callback` and `instance->on_message_received_context` shall be set to NULL]
AzureIoTClient 39:e98d5df6dc74 1075 instance->receive_messages = false;
AzureIoTClient 39:e98d5df6dc74 1076 instance->on_message_received_callback = NULL;
AzureIoTClient 39:e98d5df6dc74 1077 instance->on_message_received_context = NULL;
AzureIoTClient 39:e98d5df6dc74 1078
AzureIoTClient 39:e98d5df6dc74 1079 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_042: [If no failures occurr, amqp_messenger_unsubscribe_for_messages() shall return 0]
AzureIoTClient 39:e98d5df6dc74 1080 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1081 }
AzureIoTClient 39:e98d5df6dc74 1082
AzureIoTClient 39:e98d5df6dc74 1083 return result;
AzureIoTClient 39:e98d5df6dc74 1084 }
AzureIoTClient 39:e98d5df6dc74 1085
AzureIoTClient 39:e98d5df6dc74 1086 int amqp_messenger_send_message_disposition(AMQP_MESSENGER_HANDLE messenger_handle, AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO* disposition_info, AMQP_MESSENGER_DISPOSITION_RESULT disposition_result)
AzureIoTClient 39:e98d5df6dc74 1087 {
AzureIoTClient 39:e98d5df6dc74 1088 int result;
AzureIoTClient 39:e98d5df6dc74 1089
AzureIoTClient 39:e98d5df6dc74 1090 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_043: [If `messenger_handle` or `disposition_info` are NULL, amqp_messenger_send_message_disposition() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1091 if (messenger_handle == NULL || disposition_info == NULL)
AzureIoTClient 39:e98d5df6dc74 1092 {
AzureIoTClient 39:e98d5df6dc74 1093 LogError("Invalid argument (messenger_handle=%p, disposition_info=%p)", messenger_handle, disposition_info);
AzureIoTClient 39:e98d5df6dc74 1094 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1095 }
AzureIoTClient 39:e98d5df6dc74 1096 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_044: [If `disposition_info->source` is NULL, amqp_messenger_send_message_disposition() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1097 else if (disposition_info->source == NULL)
AzureIoTClient 39:e98d5df6dc74 1098 {
AzureIoTClient 39:e98d5df6dc74 1099 LogError("Failed sending message disposition (disposition_info->source is NULL)");
AzureIoTClient 39:e98d5df6dc74 1100 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1101 }
AzureIoTClient 39:e98d5df6dc74 1102 else
AzureIoTClient 39:e98d5df6dc74 1103 {
AzureIoTClient 39:e98d5df6dc74 1104 AMQP_MESSENGER_INSTANCE* messenger = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1105
AzureIoTClient 39:e98d5df6dc74 1106 if (messenger->message_receiver == NULL)
AzureIoTClient 39:e98d5df6dc74 1107 {
AzureIoTClient 39:e98d5df6dc74 1108 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_045: [If `messenger_handle->message_receiver` is NULL, amqp_messenger_send_message_disposition() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1109 LogError("Failed sending message disposition (message_receiver is not created; check if it is subscribed)");
AzureIoTClient 39:e98d5df6dc74 1110 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1111 }
AzureIoTClient 39:e98d5df6dc74 1112 else
AzureIoTClient 39:e98d5df6dc74 1113 {
AzureIoTClient 39:e98d5df6dc74 1114 AMQP_VALUE uamqp_disposition_result;
AzureIoTClient 39:e98d5df6dc74 1115
AzureIoTClient 39:e98d5df6dc74 1116 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_046: [An AMQP_VALUE disposition result shall be created corresponding to the `disposition_result` provided]
AzureIoTClient 39:e98d5df6dc74 1117 if ((uamqp_disposition_result = create_uamqp_disposition_result_from(disposition_result)) == NULL)
AzureIoTClient 39:e98d5df6dc74 1118 {
AzureIoTClient 39:e98d5df6dc74 1119 LogError("Failed sending message disposition (disposition result %d is not supported)", disposition_result);
AzureIoTClient 39:e98d5df6dc74 1120 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1121 }
AzureIoTClient 39:e98d5df6dc74 1122 else
AzureIoTClient 39:e98d5df6dc74 1123 {
AzureIoTClient 39:e98d5df6dc74 1124 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_047: [`messagereceiver_send_message_disposition()` shall be invoked passing `disposition_info->source`, `disposition_info->message_id` and the AMQP_VALUE disposition result]
AzureIoTClient 39:e98d5df6dc74 1125 if (messagereceiver_send_message_disposition(messenger->message_receiver, disposition_info->source, disposition_info->message_id, uamqp_disposition_result) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1126 {
AzureIoTClient 39:e98d5df6dc74 1127 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_048: [If `messagereceiver_send_message_disposition()` fails, amqp_messenger_send_message_disposition() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1128 LogError("Failed sending message disposition (messagereceiver_send_message_disposition failed)");
AzureIoTClient 39:e98d5df6dc74 1129 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1130 }
AzureIoTClient 39:e98d5df6dc74 1131 else
AzureIoTClient 39:e98d5df6dc74 1132 {
AzureIoTClient 39:e98d5df6dc74 1133 destroy_message_disposition_info(disposition_info);
AzureIoTClient 39:e98d5df6dc74 1134
AzureIoTClient 39:e98d5df6dc74 1135 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_050: [If no failures occurr, amqp_messenger_send_message_disposition() shall return 0]
AzureIoTClient 39:e98d5df6dc74 1136 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1137 }
AzureIoTClient 39:e98d5df6dc74 1138
AzureIoTClient 39:e98d5df6dc74 1139 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_049: [amqp_messenger_send_message_disposition() shall destroy the AMQP_VALUE disposition result]
AzureIoTClient 39:e98d5df6dc74 1140 amqpvalue_destroy(uamqp_disposition_result);
AzureIoTClient 39:e98d5df6dc74 1141 }
AzureIoTClient 39:e98d5df6dc74 1142 }
AzureIoTClient 39:e98d5df6dc74 1143 }
AzureIoTClient 39:e98d5df6dc74 1144
AzureIoTClient 39:e98d5df6dc74 1145 return result;
AzureIoTClient 39:e98d5df6dc74 1146 }
AzureIoTClient 39:e98d5df6dc74 1147
AzureIoTClient 39:e98d5df6dc74 1148 int amqp_messenger_send_async(AMQP_MESSENGER_HANDLE messenger_handle, MESSAGE_HANDLE message, AMQP_MESSENGER_SEND_COMPLETE_CALLBACK on_user_defined_send_complete_callback, void* user_context)
AzureIoTClient 39:e98d5df6dc74 1149 {
AzureIoTClient 39:e98d5df6dc74 1150 int result;
AzureIoTClient 39:e98d5df6dc74 1151
AzureIoTClient 39:e98d5df6dc74 1152 if (messenger_handle == NULL || message == NULL || on_user_defined_send_complete_callback == NULL)
AzureIoTClient 39:e98d5df6dc74 1153 {
AzureIoTClient 39:e98d5df6dc74 1154 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_010: [If `messenger_handle`, `message` or `on_event_send_complete_callback` are NULL, amqp_messenger_send_async() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1155 LogError("Invalid argument (messenger_handle=%p, message=%p, on_user_defined_send_complete_callback=%p)", messenger_handle, message, on_user_defined_send_complete_callback);
AzureIoTClient 39:e98d5df6dc74 1156 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1157 }
AzureIoTClient 39:e98d5df6dc74 1158 else
AzureIoTClient 39:e98d5df6dc74 1159 {
AzureIoTClient 39:e98d5df6dc74 1160 MESSAGE_HANDLE cloned_message;
AzureIoTClient 39:e98d5df6dc74 1161
AzureIoTClient 39:e98d5df6dc74 1162 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_011: [`message` shall be cloned using message_clone()]
AzureIoTClient 39:e98d5df6dc74 1163 if ((cloned_message = message_clone(message)) == NULL)
AzureIoTClient 39:e98d5df6dc74 1164 {
AzureIoTClient 39:e98d5df6dc74 1165 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_012: [If message_clone() fails, amqp_messenger_send_async() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1166 LogError("Failed cloning AMQP message");
AzureIoTClient 39:e98d5df6dc74 1167 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1168 }
AzureIoTClient 39:e98d5df6dc74 1169 else
AzureIoTClient 39:e98d5df6dc74 1170 {
AzureIoTClient 39:e98d5df6dc74 1171 MESSAGE_SEND_CONTEXT* message_context;
AzureIoTClient 39:e98d5df6dc74 1172 AMQP_MESSENGER_INSTANCE *instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1173
AzureIoTClient 39:e98d5df6dc74 1174 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_013: [amqp_messenger_send_async() shall allocate memory for a MESSAGE_SEND_CONTEXT structure (aka `send_ctx`)]
AzureIoTClient 39:e98d5df6dc74 1175 if ((message_context = create_message_send_context()) == NULL)
AzureIoTClient 39:e98d5df6dc74 1176 {
AzureIoTClient 39:e98d5df6dc74 1177 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_014: [If malloc() fails, amqp_messenger_send_async() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1178 LogError("Failed creating context for sending message");
AzureIoTClient 39:e98d5df6dc74 1179 message_destroy(cloned_message);
AzureIoTClient 39:e98d5df6dc74 1180 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1181 }
AzureIoTClient 39:e98d5df6dc74 1182 else
AzureIoTClient 39:e98d5df6dc74 1183 {
AzureIoTClient 39:e98d5df6dc74 1184 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_015: [The cloned `message`, callback and context shall be saved in ``send_ctx`]
AzureIoTClient 39:e98d5df6dc74 1185 message_context->message = cloned_message;
AzureIoTClient 39:e98d5df6dc74 1186 message_context->messenger = instance;
AzureIoTClient 39:e98d5df6dc74 1187 message_context->on_send_complete_callback = on_user_defined_send_complete_callback;
AzureIoTClient 39:e98d5df6dc74 1188 message_context->user_context = user_context;
AzureIoTClient 39:e98d5df6dc74 1189
AzureIoTClient 39:e98d5df6dc74 1190 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_016: [`send_ctx` shall be added to `instance->send_queue` using message_queue_add(), passing `on_message_processing_completed_callback`]
AzureIoTClient 39:e98d5df6dc74 1191 if (message_queue_add(instance->send_queue, (MQ_MESSAGE_HANDLE)cloned_message, on_message_processing_completed_callback, (void*)message_context) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1192 {
AzureIoTClient 39:e98d5df6dc74 1193 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_017: [If message_queue_add() fails, amqp_messenger_send_async() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1194 LogError("Failed adding message to send queue");
AzureIoTClient 39:e98d5df6dc74 1195 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_018: [If any failure occurs, amqp_messenger_send_async() shall free any memory it has allocated]
AzureIoTClient 39:e98d5df6dc74 1196 destroy_message_send_context(message_context);
AzureIoTClient 39:e98d5df6dc74 1197 message_destroy(cloned_message);
AzureIoTClient 39:e98d5df6dc74 1198 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1199 }
AzureIoTClient 39:e98d5df6dc74 1200 else
AzureIoTClient 39:e98d5df6dc74 1201 {
AzureIoTClient 39:e98d5df6dc74 1202 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_019: [If no failures occur, amqp_messenger_send_async() shall return zero]
AzureIoTClient 39:e98d5df6dc74 1203 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1204 }
AzureIoTClient 39:e98d5df6dc74 1205 }
AzureIoTClient 39:e98d5df6dc74 1206 }
AzureIoTClient 39:e98d5df6dc74 1207 }
AzureIoTClient 39:e98d5df6dc74 1208
AzureIoTClient 39:e98d5df6dc74 1209 return result;
AzureIoTClient 39:e98d5df6dc74 1210 }
AzureIoTClient 39:e98d5df6dc74 1211
AzureIoTClient 39:e98d5df6dc74 1212 int amqp_messenger_get_send_status(AMQP_MESSENGER_HANDLE messenger_handle, AMQP_MESSENGER_SEND_STATUS* send_status)
AzureIoTClient 39:e98d5df6dc74 1213 {
AzureIoTClient 39:e98d5df6dc74 1214 int result;
AzureIoTClient 39:e98d5df6dc74 1215
AzureIoTClient 39:e98d5df6dc74 1216 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_029: [If `messenger_handle` or `send_status` are NULL, amqp_messenger_get_send_status() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1217 if (messenger_handle == NULL || send_status == NULL)
AzureIoTClient 39:e98d5df6dc74 1218 {
AzureIoTClient 39:e98d5df6dc74 1219 LogError("Invalid argument (messenger_handle=%p, send_status=%p)", messenger_handle, send_status);
AzureIoTClient 39:e98d5df6dc74 1220 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1221 }
AzureIoTClient 39:e98d5df6dc74 1222 else
AzureIoTClient 39:e98d5df6dc74 1223 {
AzureIoTClient 39:e98d5df6dc74 1224 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1225 bool is_empty;
AzureIoTClient 39:e98d5df6dc74 1226
AzureIoTClient 39:e98d5df6dc74 1227 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_030: [message_queue_is_empty() shall be invoked for `instance->send_queue`]
AzureIoTClient 39:e98d5df6dc74 1228 if (message_queue_is_empty(instance->send_queue, &is_empty) != 0)
AzureIoTClient 39:e98d5df6dc74 1229 {
AzureIoTClient 39:e98d5df6dc74 1230 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_031: [If message_queue_is_empty() fails, amqp_messenger_get_send_status() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1231 LogError("Failed verifying if send queue is empty");
AzureIoTClient 39:e98d5df6dc74 1232 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1233 }
AzureIoTClient 39:e98d5df6dc74 1234 else
AzureIoTClient 39:e98d5df6dc74 1235 {
AzureIoTClient 39:e98d5df6dc74 1236 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_032: [If message_queue_is_empty() returns `true`, `send_status` shall be set to AMQP_MESSENGER_SEND_STATUS_IDLE]
AzureIoTClient 39:e98d5df6dc74 1237 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_033: [Otherwise, `send_status` shall be set to AMQP_MESSENGER_SEND_STATUS_BUSY]
AzureIoTClient 39:e98d5df6dc74 1238 *send_status = (is_empty ? AMQP_MESSENGER_SEND_STATUS_IDLE : AMQP_MESSENGER_SEND_STATUS_BUSY);
AzureIoTClient 39:e98d5df6dc74 1239 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_034: [If no failures occur, amqp_messenger_get_send_status() shall return 0]
AzureIoTClient 39:e98d5df6dc74 1240 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1241 }
AzureIoTClient 39:e98d5df6dc74 1242 }
AzureIoTClient 39:e98d5df6dc74 1243
AzureIoTClient 39:e98d5df6dc74 1244 return result;
AzureIoTClient 39:e98d5df6dc74 1245 }
AzureIoTClient 39:e98d5df6dc74 1246
AzureIoTClient 39:e98d5df6dc74 1247 int amqp_messenger_start(AMQP_MESSENGER_HANDLE messenger_handle, SESSION_HANDLE session_handle)
AzureIoTClient 39:e98d5df6dc74 1248 {
AzureIoTClient 39:e98d5df6dc74 1249 int result;
AzureIoTClient 39:e98d5df6dc74 1250
AzureIoTClient 39:e98d5df6dc74 1251 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_051: [If `messenger_handle` or `session_handle` are NULL, amqp_messenger_start() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1252 if (messenger_handle == NULL || session_handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1253 {
AzureIoTClient 39:e98d5df6dc74 1254 LogError("Invalid argument (session_handle is NULL)");
AzureIoTClient 39:e98d5df6dc74 1255 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1256 }
AzureIoTClient 39:e98d5df6dc74 1257 else
AzureIoTClient 39:e98d5df6dc74 1258 {
AzureIoTClient 39:e98d5df6dc74 1259 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1260
AzureIoTClient 39:e98d5df6dc74 1261 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_052: [If `instance->state` is not AMQP_MESSENGER_STATE_STOPPED, amqp_messenger_start() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1262 if (instance->state != AMQP_MESSENGER_STATE_STOPPED)
AzureIoTClient 39:e98d5df6dc74 1263 {
AzureIoTClient 39:e98d5df6dc74 1264 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1265 LogError("amqp_messenger_start failed (current state is %d; expected AMQP_MESSENGER_STATE_STOPPED)", instance->state);
AzureIoTClient 39:e98d5df6dc74 1266 }
AzureIoTClient 39:e98d5df6dc74 1267 else
AzureIoTClient 39:e98d5df6dc74 1268 {
AzureIoTClient 39:e98d5df6dc74 1269 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_053: [`session_handle` shall be saved on `instance->session_handle`]
AzureIoTClient 39:e98d5df6dc74 1270 instance->session_handle = session_handle;
AzureIoTClient 39:e98d5df6dc74 1271
AzureIoTClient 39:e98d5df6dc74 1272 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_054: [If no failures occurr, `instance->state` shall be set to AMQP_MESSENGER_STATE_STARTING, and `instance->on_state_changed_callback` invoked if provided]
AzureIoTClient 39:e98d5df6dc74 1273 update_messenger_state(instance, AMQP_MESSENGER_STATE_STARTING);
AzureIoTClient 39:e98d5df6dc74 1274
AzureIoTClient 39:e98d5df6dc74 1275 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_055: [If no failures occurr, amqp_messenger_start() shall return 0]
AzureIoTClient 39:e98d5df6dc74 1276 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1277 }
AzureIoTClient 39:e98d5df6dc74 1278 }
AzureIoTClient 39:e98d5df6dc74 1279
AzureIoTClient 39:e98d5df6dc74 1280 return result;
AzureIoTClient 39:e98d5df6dc74 1281 }
AzureIoTClient 39:e98d5df6dc74 1282
AzureIoTClient 39:e98d5df6dc74 1283 int amqp_messenger_stop(AMQP_MESSENGER_HANDLE messenger_handle)
AzureIoTClient 39:e98d5df6dc74 1284 {
AzureIoTClient 39:e98d5df6dc74 1285 int result;
AzureIoTClient 39:e98d5df6dc74 1286
AzureIoTClient 39:e98d5df6dc74 1287 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_056: [If `messenger_handle` is NULL, amqp_messenger_stop() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1288 if (messenger_handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1289 {
AzureIoTClient 39:e98d5df6dc74 1290 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1291 LogError("Invalid argument (messenger_handle is NULL)");
AzureIoTClient 39:e98d5df6dc74 1292 }
AzureIoTClient 39:e98d5df6dc74 1293 else
AzureIoTClient 39:e98d5df6dc74 1294 {
AzureIoTClient 39:e98d5df6dc74 1295 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1296
AzureIoTClient 39:e98d5df6dc74 1297 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_057: [If `instance->state` is AMQP_MESSENGER_STATE_STOPPED, amqp_messenger_stop() shall fail and return non-zero value]
AzureIoTClient 39:e98d5df6dc74 1298 if (instance->state == AMQP_MESSENGER_STATE_STOPPED)
AzureIoTClient 39:e98d5df6dc74 1299 {
AzureIoTClient 39:e98d5df6dc74 1300 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1301 LogError("amqp_messenger_stop failed (messenger is already stopped)");
AzureIoTClient 39:e98d5df6dc74 1302 }
AzureIoTClient 39:e98d5df6dc74 1303 else
AzureIoTClient 39:e98d5df6dc74 1304 {
AzureIoTClient 39:e98d5df6dc74 1305 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_058: [`instance->state` shall be set to AMQP_MESSENGER_STATE_STOPPING, and `instance->on_state_changed_callback` invoked if provided]
AzureIoTClient 39:e98d5df6dc74 1306 update_messenger_state(instance, AMQP_MESSENGER_STATE_STOPPING);
AzureIoTClient 39:e98d5df6dc74 1307
AzureIoTClient 39:e98d5df6dc74 1308 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_059: [`instance->message_sender` and `instance->message_receiver` shall be destroyed along with all its links]
AzureIoTClient 39:e98d5df6dc74 1309 destroy_message_sender(instance);
AzureIoTClient 39:e98d5df6dc74 1310 destroy_message_receiver(instance);
AzureIoTClient 39:e98d5df6dc74 1311
AzureIoTClient 39:e98d5df6dc74 1312 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_060: [`instance->send_queue` items shall be rolled back using message_queue_move_all_back_to_pending()]
AzureIoTClient 39:e98d5df6dc74 1313 if (message_queue_move_all_back_to_pending(instance->send_queue) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1314 {
AzureIoTClient 39:e98d5df6dc74 1315 LogError("Messenger failed to move events in progress back to wait_to_send list");
AzureIoTClient 39:e98d5df6dc74 1316
AzureIoTClient 39:e98d5df6dc74 1317 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_061: [If message_queue_move_all_back_to_pending() fails, amqp_messenger_stop() shall change the messenger state to AMQP_MESSENGER_STATE_ERROR and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1318 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1319 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1320 }
AzureIoTClient 39:e98d5df6dc74 1321 else
AzureIoTClient 39:e98d5df6dc74 1322 {
AzureIoTClient 39:e98d5df6dc74 1323 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_062: [`instance->state` shall be set to AMQP_MESSENGER_STATE_STOPPED, and `instance->on_state_changed_callback` invoked if provided]
AzureIoTClient 39:e98d5df6dc74 1324 update_messenger_state(instance, AMQP_MESSENGER_STATE_STOPPED);
AzureIoTClient 39:e98d5df6dc74 1325 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_063: [If no failures occurr, amqp_messenger_stop() shall return 0]
AzureIoTClient 39:e98d5df6dc74 1326 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1327 }
AzureIoTClient 39:e98d5df6dc74 1328 }
AzureIoTClient 39:e98d5df6dc74 1329 }
AzureIoTClient 39:e98d5df6dc74 1330
AzureIoTClient 39:e98d5df6dc74 1331 return result;
AzureIoTClient 39:e98d5df6dc74 1332 }
AzureIoTClient 39:e98d5df6dc74 1333
AzureIoTClient 39:e98d5df6dc74 1334 // @brief
AzureIoTClient 39:e98d5df6dc74 1335 // Sets the messenger module state based on the state changes from messagesender and messagereceiver
AzureIoTClient 39:e98d5df6dc74 1336 static void process_state_changes(AMQP_MESSENGER_INSTANCE* instance)
AzureIoTClient 39:e98d5df6dc74 1337 {
AzureIoTClient 39:e98d5df6dc74 1338 // Note: messagesender and messagereceiver are still not created or already destroyed
AzureIoTClient 39:e98d5df6dc74 1339 // when state is AMQP_MESSENGER_STATE_STOPPED, so no checking is needed there.
AzureIoTClient 39:e98d5df6dc74 1340
AzureIoTClient 39:e98d5df6dc74 1341 if (instance->state == AMQP_MESSENGER_STATE_STARTED)
AzureIoTClient 39:e98d5df6dc74 1342 {
AzureIoTClient 39:e98d5df6dc74 1343 if (instance->message_sender_current_state != MESSAGE_SENDER_STATE_OPEN)
AzureIoTClient 39:e98d5df6dc74 1344 {
AzureIoTClient 39:e98d5df6dc74 1345 LogError("messagesender reported unexpected state %d while messenger was started", instance->message_sender_current_state);
AzureIoTClient 39:e98d5df6dc74 1346 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1347 }
AzureIoTClient 39:e98d5df6dc74 1348 else if (instance->message_receiver != NULL && instance->message_receiver_current_state != MESSAGE_RECEIVER_STATE_OPEN)
AzureIoTClient 39:e98d5df6dc74 1349 {
AzureIoTClient 39:e98d5df6dc74 1350 if (instance->message_receiver_current_state == MESSAGE_RECEIVER_STATE_OPENING)
AzureIoTClient 39:e98d5df6dc74 1351 {
AzureIoTClient 39:e98d5df6dc74 1352 bool is_timed_out;
AzureIoTClient 39:e98d5df6dc74 1353 if (is_timeout_reached(instance->last_message_receiver_state_change_time, MAX_MESSAGE_RECEIVER_STATE_CHANGE_TIMEOUT_SECS, &is_timed_out) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1354 {
AzureIoTClient 39:e98d5df6dc74 1355 LogError("messenger got an error (failed to verify messagereceiver start timeout)");
AzureIoTClient 39:e98d5df6dc74 1356 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1357 }
AzureIoTClient 39:e98d5df6dc74 1358 else if (is_timed_out)
AzureIoTClient 39:e98d5df6dc74 1359 {
AzureIoTClient 39:e98d5df6dc74 1360 LogError("messenger got an error (messagereceiver failed to start within expected timeout (%d secs))", MAX_MESSAGE_RECEIVER_STATE_CHANGE_TIMEOUT_SECS);
AzureIoTClient 39:e98d5df6dc74 1361 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1362 }
AzureIoTClient 39:e98d5df6dc74 1363 }
AzureIoTClient 39:e98d5df6dc74 1364 else if (instance->message_receiver_current_state == MESSAGE_RECEIVER_STATE_ERROR ||
AzureIoTClient 39:e98d5df6dc74 1365 instance->message_receiver_current_state == MESSAGE_RECEIVER_STATE_IDLE)
AzureIoTClient 39:e98d5df6dc74 1366 {
AzureIoTClient 39:e98d5df6dc74 1367 LogError("messagereceiver reported unexpected state %d while messenger is starting", instance->message_receiver_current_state);
AzureIoTClient 39:e98d5df6dc74 1368 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1369 }
AzureIoTClient 39:e98d5df6dc74 1370 }
AzureIoTClient 39:e98d5df6dc74 1371 }
AzureIoTClient 39:e98d5df6dc74 1372 else
AzureIoTClient 39:e98d5df6dc74 1373 {
AzureIoTClient 39:e98d5df6dc74 1374 if (instance->state == AMQP_MESSENGER_STATE_STARTING)
AzureIoTClient 39:e98d5df6dc74 1375 {
AzureIoTClient 39:e98d5df6dc74 1376 if (instance->message_sender_current_state == MESSAGE_SENDER_STATE_OPEN)
AzureIoTClient 39:e98d5df6dc74 1377 {
AzureIoTClient 39:e98d5df6dc74 1378 update_messenger_state(instance, AMQP_MESSENGER_STATE_STARTED);
AzureIoTClient 39:e98d5df6dc74 1379 }
AzureIoTClient 39:e98d5df6dc74 1380 else if (instance->message_sender_current_state == MESSAGE_SENDER_STATE_OPENING)
AzureIoTClient 39:e98d5df6dc74 1381 {
AzureIoTClient 39:e98d5df6dc74 1382 bool is_timed_out;
AzureIoTClient 39:e98d5df6dc74 1383 if (is_timeout_reached(instance->last_message_sender_state_change_time, MAX_MESSAGE_SENDER_STATE_CHANGE_TIMEOUT_SECS, &is_timed_out) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1384 {
AzureIoTClient 39:e98d5df6dc74 1385 LogError("messenger failed to start (failed to verify messagesender start timeout)");
AzureIoTClient 39:e98d5df6dc74 1386 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1387 }
AzureIoTClient 39:e98d5df6dc74 1388 else if (is_timed_out)
AzureIoTClient 39:e98d5df6dc74 1389 {
AzureIoTClient 39:e98d5df6dc74 1390 LogError("messenger failed to start (messagesender failed to start within expected timeout (%d secs))", MAX_MESSAGE_SENDER_STATE_CHANGE_TIMEOUT_SECS);
AzureIoTClient 39:e98d5df6dc74 1391 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1392 }
AzureIoTClient 39:e98d5df6dc74 1393 }
AzureIoTClient 39:e98d5df6dc74 1394 // For this module, the only valid scenario where messagesender state is IDLE is if
AzureIoTClient 39:e98d5df6dc74 1395 // the messagesender hasn't been created yet or already destroyed.
AzureIoTClient 39:e98d5df6dc74 1396 else if ((instance->message_sender_current_state == MESSAGE_SENDER_STATE_ERROR) ||
AzureIoTClient 39:e98d5df6dc74 1397 (instance->message_sender_current_state == MESSAGE_SENDER_STATE_CLOSING) ||
AzureIoTClient 39:e98d5df6dc74 1398 (instance->message_sender_current_state == MESSAGE_SENDER_STATE_IDLE && instance->message_sender != NULL))
AzureIoTClient 39:e98d5df6dc74 1399 {
AzureIoTClient 39:e98d5df6dc74 1400 LogError("messagesender reported unexpected state %d while messenger is starting", instance->message_sender_current_state);
AzureIoTClient 39:e98d5df6dc74 1401 update_messenger_state(instance, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1402 }
AzureIoTClient 39:e98d5df6dc74 1403 }
AzureIoTClient 39:e98d5df6dc74 1404 // message sender and receiver are stopped/destroyed synchronously, so no need for state control.
AzureIoTClient 39:e98d5df6dc74 1405 }
AzureIoTClient 39:e98d5df6dc74 1406 }
AzureIoTClient 39:e98d5df6dc74 1407
AzureIoTClient 39:e98d5df6dc74 1408 static void manage_amqp_messengers(AMQP_MESSENGER_INSTANCE* msgr)
AzureIoTClient 39:e98d5df6dc74 1409 {
AzureIoTClient 39:e98d5df6dc74 1410 if (msgr->state == AMQP_MESSENGER_STATE_STARTING)
AzureIoTClient 39:e98d5df6dc74 1411 {
AzureIoTClient 39:e98d5df6dc74 1412 if (msgr->message_sender == NULL)
AzureIoTClient 39:e98d5df6dc74 1413 {
AzureIoTClient 39:e98d5df6dc74 1414 if (create_message_sender(msgr) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1415 {
AzureIoTClient 39:e98d5df6dc74 1416 update_messenger_state(msgr, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1417 }
AzureIoTClient 39:e98d5df6dc74 1418 }
AzureIoTClient 39:e98d5df6dc74 1419 }
AzureIoTClient 39:e98d5df6dc74 1420 else if (msgr->state == AMQP_MESSENGER_STATE_STARTED)
AzureIoTClient 39:e98d5df6dc74 1421 {
AzureIoTClient 39:e98d5df6dc74 1422 if (msgr->receive_messages == true &&
AzureIoTClient 39:e98d5df6dc74 1423 msgr->message_receiver == NULL &&
AzureIoTClient 39:e98d5df6dc74 1424 create_message_receiver(msgr) != RESULT_OK)
AzureIoTClient 39:e98d5df6dc74 1425 {
AzureIoTClient 39:e98d5df6dc74 1426 LogError("amqp_messenger_do_work warning (failed creating the message receiver [%s])", msgr->config->device_id);
AzureIoTClient 39:e98d5df6dc74 1427 }
AzureIoTClient 39:e98d5df6dc74 1428 else if (msgr->receive_messages == false && msgr->message_receiver != NULL)
AzureIoTClient 39:e98d5df6dc74 1429 {
AzureIoTClient 39:e98d5df6dc74 1430 destroy_message_receiver(msgr);
AzureIoTClient 39:e98d5df6dc74 1431 }
AzureIoTClient 39:e98d5df6dc74 1432 }
AzureIoTClient 39:e98d5df6dc74 1433 }
AzureIoTClient 39:e98d5df6dc74 1434
AzureIoTClient 39:e98d5df6dc74 1435 static void handle_errors_and_timeouts(AMQP_MESSENGER_INSTANCE* msgr)
AzureIoTClient 39:e98d5df6dc74 1436 {
AzureIoTClient 39:e98d5df6dc74 1437 if (msgr->send_error_count >= msgr->max_send_error_count)
AzureIoTClient 39:e98d5df6dc74 1438 {
AzureIoTClient 39:e98d5df6dc74 1439 LogError("Reached max number of consecutive send failures (%d, %d)", msgr->config->device_id, msgr->max_send_error_count);
AzureIoTClient 39:e98d5df6dc74 1440 update_messenger_state(msgr, AMQP_MESSENGER_STATE_ERROR);
AzureIoTClient 39:e98d5df6dc74 1441 }
AzureIoTClient 39:e98d5df6dc74 1442 }
AzureIoTClient 39:e98d5df6dc74 1443
AzureIoTClient 39:e98d5df6dc74 1444 void amqp_messenger_do_work(AMQP_MESSENGER_HANDLE messenger_handle)
AzureIoTClient 39:e98d5df6dc74 1445 {
AzureIoTClient 39:e98d5df6dc74 1446 if (messenger_handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1447 {
AzureIoTClient 39:e98d5df6dc74 1448 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_064: [If `messenger_handle` is NULL, amqp_messenger_do_work() shall fail and return]
AzureIoTClient 39:e98d5df6dc74 1449 LogError("Invalid argument (messenger_handle is NULL)");
AzureIoTClient 39:e98d5df6dc74 1450 }
AzureIoTClient 39:e98d5df6dc74 1451 else
AzureIoTClient 39:e98d5df6dc74 1452 {
AzureIoTClient 39:e98d5df6dc74 1453 AMQP_MESSENGER_INSTANCE* msgr = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1454
AzureIoTClient 39:e98d5df6dc74 1455 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_065: [amqp_messenger_do_work() shall update the current state according to the states of message sender and receiver]
AzureIoTClient 39:e98d5df6dc74 1456 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_068: [If the message sender state changes to MESSAGE_SENDER_STATE_OPEN, amqp_messenger_do_work() shall set the state to AMQP_MESSENGER_STATE_STARTED]
AzureIoTClient 39:e98d5df6dc74 1457 process_state_changes(msgr);
AzureIoTClient 39:e98d5df6dc74 1458
AzureIoTClient 39:e98d5df6dc74 1459 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_066: [If the current state is AMQP_MESSENGER_STARTING, amqp_messenger_do_work() shall create and start `instance->message_sender`]
AzureIoTClient 39:e98d5df6dc74 1460 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_067: [If the `instance->message_sender` fails to be created/started, amqp_messenger_do_work() shall set the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 1461 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_069: [If the `instance->receive_messages` is true, amqp_messenger_do_work() shall create and start `instance->message_receiver` if not done before]
AzureIoTClient 39:e98d5df6dc74 1462 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_070: [If the `instance->message_receiver` fails to be created/started, amqp_messenger_do_work() shall set the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 1463 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_071: [If the `instance->receive_messages` is false, amqp_messenger_do_work() shall stop and destroy `instance->message_receiver` if not done before]
AzureIoTClient 39:e98d5df6dc74 1464 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_072: [If the `instance->message_receiver` fails to be stopped/destroyed, amqp_messenger_do_work() shall set the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 1465 manage_amqp_messengers(msgr);
AzureIoTClient 39:e98d5df6dc74 1466
AzureIoTClient 39:e98d5df6dc74 1467 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_073: [amqp_messenger_do_work() shall invoke message_queue_do_work() on `instance->send_queue`]
AzureIoTClient 39:e98d5df6dc74 1468 if (msgr->state == AMQP_MESSENGER_STATE_STARTED)
AzureIoTClient 39:e98d5df6dc74 1469 {
AzureIoTClient 39:e98d5df6dc74 1470 message_queue_do_work(msgr->send_queue);
AzureIoTClient 39:e98d5df6dc74 1471 }
AzureIoTClient 39:e98d5df6dc74 1472
AzureIoTClient 39:e98d5df6dc74 1473 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_074: [If `instance->send_error_count` DEFAULT_MAX_SEND_ERROR_COUNT (10), amqp_messenger_do_work() shall change the state to AMQP_MESSENGER_STATE_ERROR]
AzureIoTClient 39:e98d5df6dc74 1474 handle_errors_and_timeouts(msgr);
AzureIoTClient 39:e98d5df6dc74 1475 }
AzureIoTClient 39:e98d5df6dc74 1476 }
AzureIoTClient 39:e98d5df6dc74 1477
AzureIoTClient 39:e98d5df6dc74 1478 void amqp_messenger_destroy(AMQP_MESSENGER_HANDLE messenger_handle)
AzureIoTClient 39:e98d5df6dc74 1479 {
AzureIoTClient 39:e98d5df6dc74 1480 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_123: [If `messenger_handle` is NULL, amqp_messenger_destroy() shall fail and return]
AzureIoTClient 39:e98d5df6dc74 1481 if (messenger_handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1482 {
AzureIoTClient 39:e98d5df6dc74 1483 LogError("invalid argument (messenger_handle is NULL)");
AzureIoTClient 39:e98d5df6dc74 1484 }
AzureIoTClient 39:e98d5df6dc74 1485 else
AzureIoTClient 39:e98d5df6dc74 1486 {
AzureIoTClient 39:e98d5df6dc74 1487 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1488
AzureIoTClient 39:e98d5df6dc74 1489 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_124: [If `instance->state` is not AMQP_MESSENGER_STATE_STOPPED, amqp_messenger_destroy() shall invoke amqp_messenger_stop()]
AzureIoTClient 39:e98d5df6dc74 1490 if (instance->state != AMQP_MESSENGER_STATE_STOPPED)
AzureIoTClient 39:e98d5df6dc74 1491 {
AzureIoTClient 39:e98d5df6dc74 1492 (void)amqp_messenger_stop(messenger_handle);
AzureIoTClient 39:e98d5df6dc74 1493 }
AzureIoTClient 39:e98d5df6dc74 1494
AzureIoTClient 39:e98d5df6dc74 1495 if (instance->send_queue != NULL)
AzureIoTClient 39:e98d5df6dc74 1496 {
AzureIoTClient 39:e98d5df6dc74 1497 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_125: [message_queue_destroy() shall be invoked for `instance->send_queue`]
AzureIoTClient 39:e98d5df6dc74 1498 message_queue_destroy(instance->send_queue);
AzureIoTClient 39:e98d5df6dc74 1499 }
AzureIoTClient 39:e98d5df6dc74 1500
AzureIoTClient 39:e98d5df6dc74 1501 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_126: [amqp_messenger_destroy() shall release all the memory allocated for `instance`]
AzureIoTClient 39:e98d5df6dc74 1502 destroy_configuration(instance->config);
AzureIoTClient 39:e98d5df6dc74 1503
AzureIoTClient 39:e98d5df6dc74 1504 free((void*)instance);
AzureIoTClient 39:e98d5df6dc74 1505 }
AzureIoTClient 39:e98d5df6dc74 1506 }
AzureIoTClient 39:e98d5df6dc74 1507
AzureIoTClient 39:e98d5df6dc74 1508 AMQP_MESSENGER_HANDLE amqp_messenger_create(const AMQP_MESSENGER_CONFIG* messenger_config)
AzureIoTClient 39:e98d5df6dc74 1509 {
AzureIoTClient 39:e98d5df6dc74 1510 AMQP_MESSENGER_HANDLE handle;
AzureIoTClient 39:e98d5df6dc74 1511
AzureIoTClient 39:e98d5df6dc74 1512 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_001: [If `messenger_config` is NULL, amqp_messenger_create() shall return NULL]
AzureIoTClient 39:e98d5df6dc74 1513 if (!is_valid_configuration(messenger_config))
AzureIoTClient 39:e98d5df6dc74 1514 {
AzureIoTClient 39:e98d5df6dc74 1515 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_002: [If `messenger_config`'s `device_id`, `iothub_host_fqdn`, `receive_link.source_suffix` or `send_link.target_suffix` are NULL, amqp_messenger_create() shall return NULL]
AzureIoTClient 39:e98d5df6dc74 1516 handle = NULL;
AzureIoTClient 39:e98d5df6dc74 1517 }
AzureIoTClient 39:e98d5df6dc74 1518 else
AzureIoTClient 39:e98d5df6dc74 1519 {
AzureIoTClient 39:e98d5df6dc74 1520 AMQP_MESSENGER_INSTANCE* instance;
AzureIoTClient 39:e98d5df6dc74 1521
AzureIoTClient 39:e98d5df6dc74 1522 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_003: [amqp_messenger_create() shall allocate memory for the messenger instance structure (aka `instance`)]
AzureIoTClient 39:e98d5df6dc74 1523 if ((instance = (AMQP_MESSENGER_INSTANCE*)malloc(sizeof(AMQP_MESSENGER_INSTANCE))) == NULL)
AzureIoTClient 39:e98d5df6dc74 1524 {
AzureIoTClient 39:e98d5df6dc74 1525 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_004: [If malloc() fails, amqp_messenger_create() shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1526 LogError("Failed allocating AMQP_MESSENGER_INSTANCE");
AzureIoTClient 39:e98d5df6dc74 1527 handle = NULL;
AzureIoTClient 39:e98d5df6dc74 1528 }
AzureIoTClient 39:e98d5df6dc74 1529 else
AzureIoTClient 39:e98d5df6dc74 1530 {
AzureIoTClient 39:e98d5df6dc74 1531 memset(instance, 0, sizeof(AMQP_MESSENGER_INSTANCE));
AzureIoTClient 39:e98d5df6dc74 1532
AzureIoTClient 39:e98d5df6dc74 1533 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_005: [amqp_messenger_create() shall save a copy of `messenger_config` into `instance`]
AzureIoTClient 39:e98d5df6dc74 1534 if ((instance->config = clone_configuration(messenger_config)) == NULL)
AzureIoTClient 39:e98d5df6dc74 1535 {
AzureIoTClient 39:e98d5df6dc74 1536 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_006: [If the copy fails, amqp_messenger_create() shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1537 LogError("Failed copying AMQP messenger configuration");
AzureIoTClient 39:e98d5df6dc74 1538 handle = NULL;
AzureIoTClient 39:e98d5df6dc74 1539 }
AzureIoTClient 39:e98d5df6dc74 1540 else
AzureIoTClient 39:e98d5df6dc74 1541 {
AzureIoTClient 39:e98d5df6dc74 1542 MESSAGE_QUEUE_CONFIG mq_config;
AzureIoTClient 39:e98d5df6dc74 1543 mq_config.max_retry_count = DEFAULT_EVENT_SEND_RETRY_LIMIT;
AzureIoTClient 39:e98d5df6dc74 1544 mq_config.max_message_enqueued_time_secs = DEFAULT_EVENT_SEND_TIMEOUT_SECS;
AzureIoTClient 39:e98d5df6dc74 1545 mq_config.max_message_processing_time_secs = 0;
AzureIoTClient 39:e98d5df6dc74 1546 mq_config.on_process_message_callback = on_process_message_callback;
AzureIoTClient 39:e98d5df6dc74 1547
AzureIoTClient 39:e98d5df6dc74 1548 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_007: [`instance->send_queue` shall be set using message_queue_create(), passing `on_process_message_callback`]
AzureIoTClient 39:e98d5df6dc74 1549 if ((instance->send_queue = message_queue_create(&mq_config)) == NULL)
AzureIoTClient 39:e98d5df6dc74 1550 {
AzureIoTClient 39:e98d5df6dc74 1551 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_008: [If message_queue_create() fails, amqp_messenger_create() shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1552 LogError("Failed creating message queue");
AzureIoTClient 39:e98d5df6dc74 1553 handle = NULL;
AzureIoTClient 39:e98d5df6dc74 1554 }
AzureIoTClient 39:e98d5df6dc74 1555 else
AzureIoTClient 39:e98d5df6dc74 1556 {
AzureIoTClient 39:e98d5df6dc74 1557 instance->state = AMQP_MESSENGER_STATE_STOPPED;
AzureIoTClient 39:e98d5df6dc74 1558 instance->message_sender_current_state = MESSAGE_SENDER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 1559 instance->message_sender_previous_state = MESSAGE_SENDER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 1560 instance->message_receiver_current_state = MESSAGE_RECEIVER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 1561 instance->message_receiver_previous_state = MESSAGE_RECEIVER_STATE_IDLE;
AzureIoTClient 39:e98d5df6dc74 1562 instance->last_message_sender_state_change_time = INDEFINITE_TIME;
AzureIoTClient 39:e98d5df6dc74 1563 instance->last_message_receiver_state_change_time = INDEFINITE_TIME;
AzureIoTClient 39:e98d5df6dc74 1564 instance->max_send_error_count = DEFAULT_MAX_SEND_ERROR_COUNT;
AzureIoTClient 39:e98d5df6dc74 1565 instance->receive_messages = false;
AzureIoTClient 39:e98d5df6dc74 1566
AzureIoTClient 39:e98d5df6dc74 1567 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_009: [If no failures occurr, amqp_messenger_create() shall return a handle to `instance`]
AzureIoTClient 39:e98d5df6dc74 1568 handle = (AMQP_MESSENGER_HANDLE)instance;
AzureIoTClient 39:e98d5df6dc74 1569 }
AzureIoTClient 39:e98d5df6dc74 1570 }
AzureIoTClient 39:e98d5df6dc74 1571 }
AzureIoTClient 39:e98d5df6dc74 1572
AzureIoTClient 39:e98d5df6dc74 1573 if (handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1574 {
AzureIoTClient 39:e98d5df6dc74 1575 amqp_messenger_destroy((AMQP_MESSENGER_HANDLE)instance);
AzureIoTClient 39:e98d5df6dc74 1576 }
AzureIoTClient 39:e98d5df6dc74 1577 }
AzureIoTClient 39:e98d5df6dc74 1578
AzureIoTClient 39:e98d5df6dc74 1579 return handle;
AzureIoTClient 39:e98d5df6dc74 1580 }
AzureIoTClient 39:e98d5df6dc74 1581
AzureIoTClient 39:e98d5df6dc74 1582 int amqp_messenger_set_option(AMQP_MESSENGER_HANDLE messenger_handle, const char* name, void* value)
AzureIoTClient 39:e98d5df6dc74 1583 {
AzureIoTClient 39:e98d5df6dc74 1584 int result;
AzureIoTClient 39:e98d5df6dc74 1585
AzureIoTClient 39:e98d5df6dc74 1586 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_127: [If `messenger_handle` or `name` or `value` is NULL, amqp_messenger_set_option shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1587 if (messenger_handle == NULL || name == NULL || value == NULL)
AzureIoTClient 39:e98d5df6dc74 1588 {
AzureIoTClient 39:e98d5df6dc74 1589 LogError("Invalid argument (messenger_handle=%p, name=%p, value=%p)",
AzureIoTClient 39:e98d5df6dc74 1590 messenger_handle, name, value);
AzureIoTClient 39:e98d5df6dc74 1591 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1592 }
AzureIoTClient 39:e98d5df6dc74 1593 else
AzureIoTClient 39:e98d5df6dc74 1594 {
AzureIoTClient 39:e98d5df6dc74 1595 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1596
AzureIoTClient 39:e98d5df6dc74 1597 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_128: [If name matches MESSENGER_OPTION_EVENT_SEND_TIMEOUT_SECS, `value` shall be set on `instance->send_queue` using message_queue_set_max_message_enqueued_time_secs()]
AzureIoTClient 39:e98d5df6dc74 1598 if (strcmp(MESSENGER_OPTION_EVENT_SEND_TIMEOUT_SECS, name) == 0)
AzureIoTClient 39:e98d5df6dc74 1599 {
AzureIoTClient 39:e98d5df6dc74 1600 if (message_queue_set_max_message_enqueued_time_secs(instance->send_queue, *(size_t*)value) != 0)
AzureIoTClient 39:e98d5df6dc74 1601 {
AzureIoTClient 39:e98d5df6dc74 1602 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_129: [If message_queue_set_max_message_enqueued_time_secs() fails, amqp_messenger_set_option() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1603 LogError("Failed setting option %s", MESSENGER_OPTION_EVENT_SEND_TIMEOUT_SECS);
AzureIoTClient 39:e98d5df6dc74 1604 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1605 }
AzureIoTClient 39:e98d5df6dc74 1606 else
AzureIoTClient 39:e98d5df6dc74 1607 {
AzureIoTClient 39:e98d5df6dc74 1608 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_131: [If no errors occur, amqp_messenger_set_option shall return 0]
AzureIoTClient 39:e98d5df6dc74 1609 result = RESULT_OK;
AzureIoTClient 39:e98d5df6dc74 1610 }
AzureIoTClient 39:e98d5df6dc74 1611 }
AzureIoTClient 39:e98d5df6dc74 1612 else
AzureIoTClient 39:e98d5df6dc74 1613 {
AzureIoTClient 39:e98d5df6dc74 1614 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_130: [If `name` does not match any supported option, amqp_messenger_set_option() shall fail and return a non-zero value]
AzureIoTClient 39:e98d5df6dc74 1615 LogError("Invalid argument (option '%s' is not valid)", name);
AzureIoTClient 39:e98d5df6dc74 1616 result = __FAILURE__;
AzureIoTClient 39:e98d5df6dc74 1617 }
AzureIoTClient 39:e98d5df6dc74 1618 }
AzureIoTClient 39:e98d5df6dc74 1619
AzureIoTClient 39:e98d5df6dc74 1620 return result;
AzureIoTClient 39:e98d5df6dc74 1621 }
AzureIoTClient 39:e98d5df6dc74 1622
AzureIoTClient 39:e98d5df6dc74 1623 OPTIONHANDLER_HANDLE amqp_messenger_retrieve_options(AMQP_MESSENGER_HANDLE messenger_handle)
AzureIoTClient 39:e98d5df6dc74 1624 {
AzureIoTClient 39:e98d5df6dc74 1625 OPTIONHANDLER_HANDLE result;
AzureIoTClient 39:e98d5df6dc74 1626
AzureIoTClient 39:e98d5df6dc74 1627 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_132: [If `messenger_handle` is NULL, amqp_messenger_retrieve_options shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1628 if (messenger_handle == NULL)
AzureIoTClient 39:e98d5df6dc74 1629 {
AzureIoTClient 39:e98d5df6dc74 1630 LogError("Invalid argument (messenger_handle is NULL)");
AzureIoTClient 39:e98d5df6dc74 1631 result = NULL;
AzureIoTClient 39:e98d5df6dc74 1632 }
AzureIoTClient 39:e98d5df6dc74 1633 else
AzureIoTClient 39:e98d5df6dc74 1634 {
AzureIoTClient 39:e98d5df6dc74 1635 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_133: [An OPTIONHANDLER_HANDLE instance shall be created using OptionHandler_Create]
AzureIoTClient 39:e98d5df6dc74 1636 result = OptionHandler_Create(amqp_messenger_clone_option, amqp_messenger_destroy_option, (pfSetOption)amqp_messenger_set_option);
AzureIoTClient 39:e98d5df6dc74 1637
AzureIoTClient 39:e98d5df6dc74 1638 if (result == NULL)
AzureIoTClient 39:e98d5df6dc74 1639 {
AzureIoTClient 39:e98d5df6dc74 1640 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_134: [If an OPTIONHANDLER_HANDLE instance fails to be created, amqp_messenger_retrieve_options shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1641 LogError("Failed to retrieve options from messenger instance (OptionHandler_Create failed)");
AzureIoTClient 39:e98d5df6dc74 1642 }
AzureIoTClient 39:e98d5df6dc74 1643 else
AzureIoTClient 39:e98d5df6dc74 1644 {
AzureIoTClient 39:e98d5df6dc74 1645 AMQP_MESSENGER_INSTANCE* instance = (AMQP_MESSENGER_INSTANCE*)messenger_handle;
AzureIoTClient 39:e98d5df6dc74 1646 OPTIONHANDLER_HANDLE mq_options;
AzureIoTClient 39:e98d5df6dc74 1647
AzureIoTClient 39:e98d5df6dc74 1648 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_135: [`instance->send_queue` options shall be retrieved using message_queue_retrieve_options()]
AzureIoTClient 39:e98d5df6dc74 1649 if ((mq_options = message_queue_retrieve_options(instance->send_queue)) == NULL)
AzureIoTClient 39:e98d5df6dc74 1650 {
AzureIoTClient 39:e98d5df6dc74 1651 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_136: [If message_queue_retrieve_options() fails, amqp_messenger_retrieve_options shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1652 LogError("failed to retrieve options from send queue)");
AzureIoTClient 39:e98d5df6dc74 1653 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_139: [If amqp_messenger_retrieve_options fails, any allocated memory shall be freed]
AzureIoTClient 39:e98d5df6dc74 1654 OptionHandler_Destroy(result);
AzureIoTClient 39:e98d5df6dc74 1655 result = NULL;
AzureIoTClient 39:e98d5df6dc74 1656 }
AzureIoTClient 39:e98d5df6dc74 1657 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_137: [Each option of `instance` shall be added to the OPTIONHANDLER_HANDLE instance using OptionHandler_AddOption]
AzureIoTClient 39:e98d5df6dc74 1658 else if (OptionHandler_AddOption(result, MESSENGER_SAVED_MQ_OPTIONS, (void*)mq_options) != OPTIONHANDLER_OK)
AzureIoTClient 39:e98d5df6dc74 1659 {
AzureIoTClient 39:e98d5df6dc74 1660 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_138: [If OptionHandler_AddOption fails, amqp_messenger_retrieve_options shall fail and return NULL]
AzureIoTClient 39:e98d5df6dc74 1661 LogError("failed adding option '%s'", MESSENGER_SAVED_MQ_OPTIONS);
AzureIoTClient 39:e98d5df6dc74 1662 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_139: [If amqp_messenger_retrieve_options fails, any allocated memory shall be freed]
AzureIoTClient 39:e98d5df6dc74 1663 OptionHandler_Destroy(mq_options);
AzureIoTClient 39:e98d5df6dc74 1664 OptionHandler_Destroy(result);
AzureIoTClient 39:e98d5df6dc74 1665 result = NULL;
AzureIoTClient 39:e98d5df6dc74 1666 }
AzureIoTClient 39:e98d5df6dc74 1667 }
AzureIoTClient 39:e98d5df6dc74 1668 }
AzureIoTClient 39:e98d5df6dc74 1669
AzureIoTClient 39:e98d5df6dc74 1670 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_140: [If no failures occur, amqp_messenger_retrieve_options shall return the OPTIONHANDLER_HANDLE instance]
AzureIoTClient 39:e98d5df6dc74 1671 return result;
AzureIoTClient 39:e98d5df6dc74 1672 }
AzureIoTClient 39:e98d5df6dc74 1673
AzureIoTClient 39:e98d5df6dc74 1674 void amqp_messenger_destroy_disposition_info(AMQP_MESSENGER_MESSAGE_DISPOSITION_INFO* disposition_info)
AzureIoTClient 39:e98d5df6dc74 1675 {
AzureIoTClient 39:e98d5df6dc74 1676 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_132: [If `disposition_info` is NULL, amqp_messenger_destroy_disposition_info shall return immediately]
AzureIoTClient 39:e98d5df6dc74 1677 if (disposition_info == NULL)
AzureIoTClient 39:e98d5df6dc74 1678 {
AzureIoTClient 39:e98d5df6dc74 1679 LogError("Invalid argument (disposition_info is NULL)");
AzureIoTClient 39:e98d5df6dc74 1680 }
AzureIoTClient 39:e98d5df6dc74 1681 else
AzureIoTClient 39:e98d5df6dc74 1682 {
AzureIoTClient 39:e98d5df6dc74 1683 // Codes_SRS_IOTHUBTRANSPORT_AMQP_MESSENGER_09_132: [All memory allocated for `disposition_info` shall be released]
AzureIoTClient 39:e98d5df6dc74 1684 destroy_message_disposition_info(disposition_info);
AzureIoTClient 39:e98d5df6dc74 1685 }
AzureIoTClient 39:e98d5df6dc74 1686 }