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

iothubtransportamqp.c@12:841a4c36bd36, 2016-04-08 (annotated)

Committer:
Azure.IoT Build
Date:
Fri Apr 08 13:23:54 2016 -0700
Revision:
12:841a4c36bd36
Parent:
11:62d7b956e76e
Child:
13:a4af7c301e02
1.0.4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 4:57e049bce51e 1 // Copyright (c) Microsoft. All rights reserved.
AzureIoTClient 4:57e049bce51e 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
AzureIoTClient 4:57e049bce51e 3
AzureIoTClient 4:57e049bce51e 4 #include <stdlib.h>
AzureIoTClient 4:57e049bce51e 5 #ifdef _CRTDBG_MAP_ALLOC
AzureIoTClient 4:57e049bce51e 6 #include <crtdbg.h>
AzureIoTClient 4:57e049bce51e 7 #endif
Azure.IoT Build 10:75c5e0d8537d 8 #include <stdint.h>
Azure.IoT Build 10:75c5e0d8537d 9 #include <time.h>
Azure.IoT Build 10:75c5e0d8537d 10 #include <limits.h>
Azure.IoT Build 12:841a4c36bd36 11 #include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build 12:841a4c36bd36 12 #include "azure_c_shared_utility/crt_abstractions.h"
Azure.IoT Build 12:841a4c36bd36 13 #include "azure_c_shared_utility/doublylinkedlist.h"
Azure.IoT Build 12:841a4c36bd36 14 #include "azure_c_shared_utility/iot_logging.h"
Azure.IoT Build 12:841a4c36bd36 15 #include "azure_c_shared_utility/platform.h"
Azure.IoT Build 12:841a4c36bd36 16 #include "azure_c_shared_utility/sastoken.h"
Azure.IoT Build 12:841a4c36bd36 17 #include "azure_c_shared_utility/strings.h"
Azure.IoT Build 12:841a4c36bd36 18 #include "azure_c_shared_utility/urlencode.h"
Azure.IoT Build 12:841a4c36bd36 19 #include "azure_c_shared_utility/tlsio.h"
AzureIoTClient 4:57e049bce51e 20
Azure.IoT Build 12:841a4c36bd36 21 #include "azure_uamqp_c/cbs.h"
Azure.IoT Build 12:841a4c36bd36 22 #include "azure_uamqp_c/link.h"
Azure.IoT Build 12:841a4c36bd36 23 #include "azure_uamqp_c/message.h"
Azure.IoT Build 12:841a4c36bd36 24 #include "azure_uamqp_c/amqpvalue.h"
Azure.IoT Build 12:841a4c36bd36 25 #include "azure_uamqp_c/message_receiver.h"
Azure.IoT Build 12:841a4c36bd36 26 #include "azure_uamqp_c/message_sender.h"
Azure.IoT Build 12:841a4c36bd36 27 #include "azure_uamqp_c/messaging.h"
Azure.IoT Build 12:841a4c36bd36 28 #include "azure_uamqp_c/sasl_mssbcbs.h"
Azure.IoT Build 12:841a4c36bd36 29 #include "azure_uamqp_c/saslclientio.h"
AzureIoTClient 4:57e049bce51e 30
AzureIoTClient 4:57e049bce51e 31 #include "iothub_client_ll.h"
AzureIoTClient 4:57e049bce51e 32 #include "iothub_client_private.h"
AzureIoTClient 4:57e049bce51e 33 #include "iothubtransportamqp.h"
Azure.IoT Build 7:07bc440836b3 34 #include "iothub_client_version.h"
Azure.IoT Build 7:07bc440836b3 35
Azure.IoT Build 7:07bc440836b3 36 #define RESULT_OK 0
Azure.IoT Build 7:07bc440836b3 37 #define RESULT_FAILURE 1
Azure.IoT Build 7:07bc440836b3 38 #define RESULT_TIMEOUT 2
Azure.IoT Build 7:07bc440836b3 39
Azure.IoT Build 7:07bc440836b3 40 #define RFC1035_MAX_FQDN_LENGTH 255
Azure.IoT Build 7:07bc440836b3 41 #define DEFAULT_IOTHUB_AMQP_PORT 5671
Azure.IoT Build 7:07bc440836b3 42 #define DEFAULT_SAS_TOKEN_LIFETIME_MS 3600000
Azure.IoT Build 7:07bc440836b3 43 #define DEFAULT_CBS_REQUEST_TIMEOUT_MS 30000
Azure.IoT Build 7:07bc440836b3 44 #define CBS_AUDIENCE "servicebus.windows.net:sastoken"
Azure.IoT Build 7:07bc440836b3 45 #define DEFAULT_CONTAINER_ID "default_container_id"
Azure.IoT Build 10:75c5e0d8537d 46 #define DEFAULT_INCOMING_WINDOW_SIZE UINT_MAX
Azure.IoT Build 7:07bc440836b3 47 #define DEFAULT_OUTGOING_WINDOW_SIZE 100
Azure.IoT Build 7:07bc440836b3 48 #define MESSAGE_RECEIVER_LINK_NAME "receiver-link"
Azure.IoT Build 7:07bc440836b3 49 #define MESSAGE_RECEIVER_TARGET_ADDRESS "ingress-rx"
Azure.IoT Build 7:07bc440836b3 50 #define MESSAGE_RECEIVER_MAX_LINK_SIZE 65536
Azure.IoT Build 7:07bc440836b3 51 #define MESSAGE_SENDER_LINK_NAME "sender-link"
Azure.IoT Build 7:07bc440836b3 52 #define MESSAGE_SENDER_SOURCE_ADDRESS "ingress"
Azure.IoT Build 11:62d7b956e76e 53 #define MESSAGE_SENDER_MAX_LINK_SIZE UINT64_MAX
Azure.IoT Build 7:07bc440836b3 54
Azure.IoT Build 11:62d7b956e76e 55 typedef XIO_HANDLE(*TLS_IO_TRANSPORT_PROVIDER)(const char* fqdn, int port);
Azure.IoT Build 7:07bc440836b3 56
Azure.IoT Build 7:07bc440836b3 57 typedef enum CBS_STATE_TAG
Azure.IoT Build 7:07bc440836b3 58 {
Azure.IoT Build 7:07bc440836b3 59 CBS_STATE_IDLE,
Azure.IoT Build 7:07bc440836b3 60 CBS_STATE_AUTH_IN_PROGRESS,
Azure.IoT Build 7:07bc440836b3 61 CBS_STATE_AUTHENTICATED
Azure.IoT Build 7:07bc440836b3 62 } CBS_STATE;
AzureIoTClient 4:57e049bce51e 63
Azure.IoT Build 7:07bc440836b3 64 typedef struct AMQP_TRANSPORT_STATE_TAG
Azure.IoT Build 7:07bc440836b3 65 {
Azure.IoT Build 10:75c5e0d8537d 66 // FQDN of the IoT Hub.
Azure.IoT Build 10:75c5e0d8537d 67 STRING_HANDLE iotHubHostFqdn;
Azure.IoT Build 10:75c5e0d8537d 68 // AMQP port of the IoT Hub.
Azure.IoT Build 10:75c5e0d8537d 69 int iotHubPort;
Azure.IoT Build 10:75c5e0d8537d 70 // Key associated to the device to be used.
Azure.IoT Build 10:75c5e0d8537d 71 STRING_HANDLE deviceKey;
Azure.IoT Build 10:75c5e0d8537d 72 // Address to which the transport will connect to and send events.
Azure.IoT Build 10:75c5e0d8537d 73 STRING_HANDLE targetAddress;
Azure.IoT Build 10:75c5e0d8537d 74 // Address to which the transport will connect to and receive messages from.
Azure.IoT Build 10:75c5e0d8537d 75 STRING_HANDLE messageReceiveAddress;
Azure.IoT Build 10:75c5e0d8537d 76 // A component of the SAS token. Currently this must be an empty string.
Azure.IoT Build 10:75c5e0d8537d 77 STRING_HANDLE sasTokenKeyName;
Azure.IoT Build 10:75c5e0d8537d 78 // Internal parameter that identifies the current logical device within the service.
Azure.IoT Build 10:75c5e0d8537d 79 STRING_HANDLE devicesPath;
Azure.IoT Build 10:75c5e0d8537d 80 // How long a SAS token created by the transport is valid, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 81 size_t sas_token_lifetime;
Azure.IoT Build 10:75c5e0d8537d 82 // Maximum period of time for the transport to wait before refreshing the SAS token it created previously, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 83 size_t sas_token_refresh_time;
Azure.IoT Build 10:75c5e0d8537d 84 // Maximum time the transport waits for uAMQP cbs_put_token() to complete before marking it a failure, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 85 size_t cbs_request_timeout;
Azure.IoT Build 10:75c5e0d8537d 86 // Maximum time for the connection establishment/retry logic should wait for a connection to succeed, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 87 size_t connection_timeout;
Azure.IoT Build 10:75c5e0d8537d 88 // Saved reference to the IoTHub LL Client.
Azure.IoT Build 10:75c5e0d8537d 89 IOTHUB_CLIENT_LL_HANDLE iothub_client_handle;
Azure.IoT Build 11:62d7b956e76e 90
Azure.IoT Build 10:75c5e0d8537d 91 // TSL I/O transport.
Azure.IoT Build 10:75c5e0d8537d 92 XIO_HANDLE tls_io;
Azure.IoT Build 10:75c5e0d8537d 93 // Pointer to the function that creates the TLS I/O (internal use only).
Azure.IoT Build 10:75c5e0d8537d 94 TLS_IO_TRANSPORT_PROVIDER tls_io_transport_provider;
Azure.IoT Build 10:75c5e0d8537d 95 // AMQP SASL I/O transport created on top of the TLS I/O layer.
Azure.IoT Build 10:75c5e0d8537d 96 XIO_HANDLE sasl_io;
Azure.IoT Build 10:75c5e0d8537d 97 // AMQP SASL I/O mechanism to be used.
Azure.IoT Build 10:75c5e0d8537d 98 SASL_MECHANISM_HANDLE sasl_mechanism;
Azure.IoT Build 10:75c5e0d8537d 99 // AMQP connection.
Azure.IoT Build 10:75c5e0d8537d 100 CONNECTION_HANDLE connection;
Azure.IoT Build 10:75c5e0d8537d 101 // Current AMQP connection state;
Azure.IoT Build 10:75c5e0d8537d 102 AMQP_MANAGEMENT_STATE connection_state;
Azure.IoT Build 10:75c5e0d8537d 103 // Last time the AMQP connection establishment was initiated.
Azure.IoT Build 10:75c5e0d8537d 104 size_t connection_establish_time;
Azure.IoT Build 10:75c5e0d8537d 105 // AMQP session.
Azure.IoT Build 10:75c5e0d8537d 106 SESSION_HANDLE session;
Azure.IoT Build 10:75c5e0d8537d 107 // AMQP link used by the event sender.
Azure.IoT Build 10:75c5e0d8537d 108 LINK_HANDLE sender_link;
Azure.IoT Build 10:75c5e0d8537d 109 // uAMQP event sender.
Azure.IoT Build 10:75c5e0d8537d 110 MESSAGE_SENDER_HANDLE message_sender;
Azure.IoT Build 10:75c5e0d8537d 111 // Internal flag that controls if messages should be received or not.
Azure.IoT Build 10:75c5e0d8537d 112 bool receive_messages;
Azure.IoT Build 10:75c5e0d8537d 113 // AMQP link used by the message receiver.
Azure.IoT Build 10:75c5e0d8537d 114 LINK_HANDLE receiver_link;
Azure.IoT Build 10:75c5e0d8537d 115 // uAMQP message receiver.
Azure.IoT Build 10:75c5e0d8537d 116 MESSAGE_RECEIVER_HANDLE message_receiver;
Azure.IoT Build 10:75c5e0d8537d 117 // List with events still pending to be sent. It is provided by the upper layer.
Azure.IoT Build 10:75c5e0d8537d 118 PDLIST_ENTRY waitingToSend;
Azure.IoT Build 10:75c5e0d8537d 119 // Internal list with the items currently being processed/sent through uAMQP.
Azure.IoT Build 10:75c5e0d8537d 120 DLIST_ENTRY inProgress;
Azure.IoT Build 10:75c5e0d8537d 121 // Connection instance with the Azure IoT CBS.
Azure.IoT Build 10:75c5e0d8537d 122 CBS_HANDLE cbs;
Azure.IoT Build 10:75c5e0d8537d 123 // Current state of the CBS connection.
Azure.IoT Build 10:75c5e0d8537d 124 CBS_STATE cbs_state;
Azure.IoT Build 10:75c5e0d8537d 125 // Time when the current SAS token was created, in seconds since epoch.
Azure.IoT Build 10:75c5e0d8537d 126 size_t current_sas_token_create_time;
Azure.IoT Build 10:75c5e0d8537d 127 // Mark if device is registered in transport (only one device per transport).
Azure.IoT Build 10:75c5e0d8537d 128 bool isRegistered;
Azure.IoT Build 7:07bc440836b3 129 } AMQP_TRANSPORT_INSTANCE;
Azure.IoT Build 7:07bc440836b3 130
AzureIoTClient 4:57e049bce51e 131
AzureIoTClient 4:57e049bce51e 132
Azure.IoT Build 7:07bc440836b3 133 // Auxiliary functions
AzureIoTClient 4:57e049bce51e 134
Azure.IoT Build 7:07bc440836b3 135 static STRING_HANDLE concat3Params(const char* prefix, const char* infix, const char* suffix)
AzureIoTClient 4:57e049bce51e 136 {
Azure.IoT Build 7:07bc440836b3 137 STRING_HANDLE result = NULL;
Azure.IoT Build 10:75c5e0d8537d 138 char* concat;
Azure.IoT Build 7:07bc440836b3 139 size_t totalLength = strlen(prefix) + strlen(infix) + strlen(suffix) + 1; // One extra for \0.
AzureIoTClient 5:8d58d20699dd 140
Azure.IoT Build 10:75c5e0d8537d 141 if ((concat = (char*)malloc(totalLength)) != NULL)
AzureIoTClient 5:8d58d20699dd 142 {
Azure.IoT Build 10:75c5e0d8537d 143 (void)strcpy(concat, prefix);
Azure.IoT Build 10:75c5e0d8537d 144 (void)strcat(concat, infix);
Azure.IoT Build 10:75c5e0d8537d 145 (void)strcat(concat, suffix);
Azure.IoT Build 10:75c5e0d8537d 146 result = STRING_construct(concat);
Azure.IoT Build 7:07bc440836b3 147 free(concat);
AzureIoTClient 5:8d58d20699dd 148 }
Azure.IoT Build 10:75c5e0d8537d 149 else
Azure.IoT Build 10:75c5e0d8537d 150 {
Azure.IoT Build 10:75c5e0d8537d 151 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 152 }
AzureIoTClient 5:8d58d20699dd 153
AzureIoTClient 4:57e049bce51e 154 return result;
AzureIoTClient 4:57e049bce51e 155 }
AzureIoTClient 4:57e049bce51e 156
Azure.IoT Build 10:75c5e0d8537d 157 static size_t getSecondsSinceEpoch(void)
AzureIoTClient 4:57e049bce51e 158 {
Azure.IoT Build 10:75c5e0d8537d 159 return (size_t)(difftime(get_time(NULL), (time_t)0));
AzureIoTClient 4:57e049bce51e 160 }
AzureIoTClient 4:57e049bce51e 161
Azure.IoT Build 12:841a4c36bd36 162 static void trackEventInProgress(IOTHUB_MESSAGE_LIST* message, AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 163 {
Azure.IoT Build 12:841a4c36bd36 164 DList_RemoveEntryList(&message->entry);
Azure.IoT Build 12:841a4c36bd36 165 DList_InsertTailList(&transport_state->inProgress, &message->entry);
AzureIoTClient 4:57e049bce51e 166 }
AzureIoTClient 4:57e049bce51e 167
Azure.IoT Build 7:07bc440836b3 168 static IOTHUB_MESSAGE_LIST* getNextEventToSend(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 169 {
Azure.IoT Build 10:75c5e0d8537d 170 IOTHUB_MESSAGE_LIST* message;
Azure.IoT Build 7:07bc440836b3 171
Azure.IoT Build 7:07bc440836b3 172 if (!DList_IsListEmpty(transport_state->waitingToSend))
AzureIoTClient 4:57e049bce51e 173 {
Azure.IoT Build 7:07bc440836b3 174 PDLIST_ENTRY list_entry = transport_state->waitingToSend->Flink;
Azure.IoT Build 7:07bc440836b3 175 message = containingRecord(list_entry, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 4:57e049bce51e 176 }
Azure.IoT Build 10:75c5e0d8537d 177 else
Azure.IoT Build 10:75c5e0d8537d 178 {
Azure.IoT Build 10:75c5e0d8537d 179 message = NULL;
Azure.IoT Build 10:75c5e0d8537d 180 }
Azure.IoT Build 7:07bc440836b3 181
Azure.IoT Build 7:07bc440836b3 182 return message;
Azure.IoT Build 7:07bc440836b3 183 }
Azure.IoT Build 7:07bc440836b3 184
Azure.IoT Build 12:841a4c36bd36 185 static int isEventInInProgressList(IOTHUB_MESSAGE_LIST* message)
Azure.IoT Build 7:07bc440836b3 186 {
Azure.IoT Build 12:841a4c36bd36 187 return !DList_IsListEmpty(&message->entry);
AzureIoTClient 4:57e049bce51e 188 }
AzureIoTClient 4:57e049bce51e 189
Azure.IoT Build 12:841a4c36bd36 190 static void removeEventFromInProgressList(IOTHUB_MESSAGE_LIST* message)
AzureIoTClient 4:57e049bce51e 191 {
Azure.IoT Build 12:841a4c36bd36 192 DList_RemoveEntryList(&message->entry);
Azure.IoT Build 12:841a4c36bd36 193 DList_InitializeListHead(&message->entry);
AzureIoTClient 4:57e049bce51e 194 }
AzureIoTClient 4:57e049bce51e 195
Azure.IoT Build 12:841a4c36bd36 196 static void rollEventBackToWaitList(IOTHUB_MESSAGE_LIST* message, AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 197 {
Azure.IoT Build 12:841a4c36bd36 198 removeEventFromInProgressList(message);
Azure.IoT Build 12:841a4c36bd36 199 DList_InsertTailList(transport_state->waitingToSend, &message->entry);
Azure.IoT Build 7:07bc440836b3 200 }
Azure.IoT Build 7:07bc440836b3 201
Azure.IoT Build 7:07bc440836b3 202 static void rollEventsBackToWaitList(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 203 {
Azure.IoT Build 7:07bc440836b3 204 PDLIST_ENTRY entry = transport_state->inProgress.Blink;
Azure.IoT Build 7:07bc440836b3 205
Azure.IoT Build 7:07bc440836b3 206 while (entry != &transport_state->inProgress)
AzureIoTClient 4:57e049bce51e 207 {
Azure.IoT Build 12:841a4c36bd36 208 IOTHUB_MESSAGE_LIST* message = containingRecord(entry, IOTHUB_MESSAGE_LIST, entry);
Azure.IoT Build 7:07bc440836b3 209 entry = entry->Blink;
Azure.IoT Build 12:841a4c36bd36 210 rollEventBackToWaitList(message, transport_state);
AzureIoTClient 4:57e049bce51e 211 }
AzureIoTClient 4:57e049bce51e 212 }
AzureIoTClient 4:57e049bce51e 213
Azure.IoT Build 10:75c5e0d8537d 214 static void on_message_send_complete(void* context, MESSAGE_SEND_RESULT send_result)
AzureIoTClient 4:57e049bce51e 215 {
Azure.IoT Build 12:841a4c36bd36 216 IOTHUB_MESSAGE_LIST* message = (IOTHUB_MESSAGE_LIST*)context;
Azure.IoT Build 10:75c5e0d8537d 217
Azure.IoT Build 10:75c5e0d8537d 218 IOTHUB_CLIENT_RESULT iot_hub_send_result;
Azure.IoT Build 10:75c5e0d8537d 219
Azure.IoT Build 10:75c5e0d8537d 220 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_142: [The callback 'on_message_send_complete' shall pass to the upper layer callback an IOTHUB_CLIENT_CONFIRMATION_OK if the result received is MESSAGE_SEND_OK]
Azure.IoT Build 10:75c5e0d8537d 221 if (send_result == MESSAGE_SEND_OK)
AzureIoTClient 4:57e049bce51e 222 {
Azure.IoT Build 10:75c5e0d8537d 223 iot_hub_send_result = IOTHUB_CLIENT_CONFIRMATION_OK;
Azure.IoT Build 10:75c5e0d8537d 224 }
Azure.IoT Build 10:75c5e0d8537d 225 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_143: [The callback 'on_message_send_complete' shall pass to the upper layer callback an IOTHUB_CLIENT_CONFIRMATION_ERROR if the result received is MESSAGE_SEND_ERROR]
Azure.IoT Build 12:841a4c36bd36 226 else
Azure.IoT Build 10:75c5e0d8537d 227 {
Azure.IoT Build 10:75c5e0d8537d 228 iot_hub_send_result = IOTHUB_CLIENT_CONFIRMATION_ERROR;
Azure.IoT Build 10:75c5e0d8537d 229 }
Azure.IoT Build 7:07bc440836b3 230
Azure.IoT Build 10:75c5e0d8537d 231 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_102: [The callback 'on_message_send_complete' shall invoke the upper layer callback for message received if provided]
Azure.IoT Build 12:841a4c36bd36 232 if (message->callback != NULL)
Azure.IoT Build 10:75c5e0d8537d 233 {
Azure.IoT Build 12:841a4c36bd36 234 message->callback(iot_hub_send_result, message->context);
Azure.IoT Build 10:75c5e0d8537d 235 }
AzureIoTClient 4:57e049bce51e 236
Azure.IoT Build 12:841a4c36bd36 237 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_100: [The callback 'on_message_send_complete' shall remove the target message from the in-progress list after the upper layer callback]
Azure.IoT Build 12:841a4c36bd36 238 if (isEventInInProgressList(message))
Azure.IoT Build 12:841a4c36bd36 239 {
Azure.IoT Build 12:841a4c36bd36 240 removeEventFromInProgressList(message);
Azure.IoT Build 12:841a4c36bd36 241 }
Azure.IoT Build 12:841a4c36bd36 242
Azure.IoT Build 10:75c5e0d8537d 243 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_151: [The callback 'on_message_send_complete' shall destroy the message handle (IOTHUB_MESSAGE_HANDLE) using IoTHubMessage_Destroy()]
Azure.IoT Build 12:841a4c36bd36 244 IoTHubMessage_Destroy(message->messageHandle);
AzureIoTClient 4:57e049bce51e 245
Azure.IoT Build 12:841a4c36bd36 246 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_152: [The callback 'on_message_send_complete' shall destroy the IOTHUB_MESSAGE_LIST instance]
Azure.IoT Build 12:841a4c36bd36 247 free(message);
AzureIoTClient 4:57e049bce51e 248 }
AzureIoTClient 4:57e049bce51e 249
Azure.IoT Build 10:75c5e0d8537d 250 static void on_put_token_complete(void* context, CBS_OPERATION_RESULT operation_result, unsigned int status_code, const char* status_description)
AzureIoTClient 4:57e049bce51e 251 {
Azure.IoT Build 7:07bc440836b3 252 AMQP_TRANSPORT_INSTANCE* transportState = (AMQP_TRANSPORT_INSTANCE*)context;
Azure.IoT Build 7:07bc440836b3 253
Azure.IoT Build 12:841a4c36bd36 254 if (operation_result == CBS_OPERATION_RESULT_OK)
AzureIoTClient 4:57e049bce51e 255 {
Azure.IoT Build 7:07bc440836b3 256 transportState->cbs_state = CBS_STATE_AUTHENTICATED;
Azure.IoT Build 7:07bc440836b3 257 }
Azure.IoT Build 7:07bc440836b3 258 }
Azure.IoT Build 7:07bc440836b3 259
Azure.IoT Build 10:75c5e0d8537d 260 static AMQP_VALUE on_message_received(const void* context, MESSAGE_HANDLE message)
Azure.IoT Build 7:07bc440836b3 261 {
Azure.IoT Build 7:07bc440836b3 262 AMQP_VALUE result = NULL;
Azure.IoT Build 10:75c5e0d8537d 263 IOTHUBMESSAGE_DISPOSITION_RESULT disposition_result;
Azure.IoT Build 7:07bc440836b3 264
Azure.IoT Build 10:75c5e0d8537d 265 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_104: [The callback 'on_message_received' shall invoke IoTHubClient_LL_MessageCallback() passing the client and the incoming message handles as parameters]
Azure.IoT Build 7:07bc440836b3 266 IOTHUB_MESSAGE_HANDLE iothub_message = NULL;
Azure.IoT Build 7:07bc440836b3 267 MESSAGE_BODY_TYPE body_type;
Azure.IoT Build 11:62d7b956e76e 268
Azure.IoT Build 7:07bc440836b3 269 if (message_get_body_type(message, &body_type) != 0)
Azure.IoT Build 7:07bc440836b3 270 {
Azure.IoT Build 7:07bc440836b3 271 LogError("Failed to get the type of the message received by the transport.\r\n");
Azure.IoT Build 7:07bc440836b3 272 }
Azure.IoT Build 11:62d7b956e76e 273 else
Azure.IoT Build 7:07bc440836b3 274 {
Azure.IoT Build 7:07bc440836b3 275 if (body_type == MESSAGE_BODY_TYPE_DATA)
AzureIoTClient 4:57e049bce51e 276 {
Azure.IoT Build 7:07bc440836b3 277 BINARY_DATA binary_data;
Azure.IoT Build 7:07bc440836b3 278 if (message_get_body_amqp_data(message, 0, &binary_data) != 0)
Azure.IoT Build 7:07bc440836b3 279 {
Azure.IoT Build 7:07bc440836b3 280 LogError("Failed to get the body of the message received by the transport.\r\n");
Azure.IoT Build 7:07bc440836b3 281 }
Azure.IoT Build 7:07bc440836b3 282 else
Azure.IoT Build 7:07bc440836b3 283 {
Azure.IoT Build 7:07bc440836b3 284 iothub_message = IoTHubMessage_CreateFromByteArray(binary_data.bytes, binary_data.length);
Azure.IoT Build 7:07bc440836b3 285 }
AzureIoTClient 4:57e049bce51e 286 }
Azure.IoT Build 7:07bc440836b3 287 }
Azure.IoT Build 11:62d7b956e76e 288
Azure.IoT Build 7:07bc440836b3 289 if (iothub_message == NULL)
Azure.IoT Build 7:07bc440836b3 290 {
Azure.IoT Build 10:75c5e0d8537d 291 disposition_result = IOTHUBMESSAGE_REJECTED;
Azure.IoT Build 7:07bc440836b3 292 LogError("Transport failed processing the message received.\r\n");
Azure.IoT Build 7:07bc440836b3 293 }
Azure.IoT Build 7:07bc440836b3 294 else
Azure.IoT Build 7:07bc440836b3 295 {
Azure.IoT Build 7:07bc440836b3 296 disposition_result = IoTHubClient_LL_MessageCallback((IOTHUB_CLIENT_LL_HANDLE)context, iothub_message);
Azure.IoT Build 7:07bc440836b3 297
Azure.IoT Build 10:75c5e0d8537d 298 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_105: [The callback 'on_message_received' shall return the result of messaging_delivery_accepted() if the IoTHubClient_LL_MessageCallback() returns IOTHUBMESSAGE_ACCEPTED]
Azure.IoT Build 7:07bc440836b3 299 if (disposition_result == IOTHUBMESSAGE_ACCEPTED)
AzureIoTClient 5:8d58d20699dd 300 {
Azure.IoT Build 7:07bc440836b3 301 result = messaging_delivery_accepted();
Azure.IoT Build 7:07bc440836b3 302 }
Azure.IoT Build 10:75c5e0d8537d 303 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_106: [The callback 'on_message_received' shall return the result of messaging_delivery_released() if the IoTHubClient_LL_MessageCallback() returns IOTHUBMESSAGE_ABANDONED]
Azure.IoT Build 7:07bc440836b3 304 else if (disposition_result == IOTHUBMESSAGE_ABANDONED)
Azure.IoT Build 7:07bc440836b3 305 {
Azure.IoT Build 7:07bc440836b3 306 result = messaging_delivery_released();
AzureIoTClient 5:8d58d20699dd 307 }
Azure.IoT Build 10:75c5e0d8537d 308 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_107: [The callback 'on_message_received' shall return the result of messaging_delivery_rejected("Rejected by application", "Rejected by application") if the IoTHubClient_LL_MessageCallback() returns IOTHUBMESSAGE_REJECTED]
Azure.IoT Build 7:07bc440836b3 309 else if (disposition_result == IOTHUBMESSAGE_REJECTED)
AzureIoTClient 4:57e049bce51e 310 {
Azure.IoT Build 7:07bc440836b3 311 result = messaging_delivery_rejected("Rejected by application", "Rejected by application");
AzureIoTClient 4:57e049bce51e 312 }
Azure.IoT Build 11:62d7b956e76e 313 IoTHubMessage_Destroy(iothub_message);
Azure.IoT Build 7:07bc440836b3 314 }
Azure.IoT Build 7:07bc440836b3 315
Azure.IoT Build 7:07bc440836b3 316 return result;
Azure.IoT Build 7:07bc440836b3 317 }
Azure.IoT Build 7:07bc440836b3 318
Azure.IoT Build 11:62d7b956e76e 319 static XIO_HANDLE getTLSIOTransport(const char* fqdn, int port)
Azure.IoT Build 7:07bc440836b3 320 {
Azure.IoT Build 10:75c5e0d8537d 321 TLSIO_CONFIG tls_io_config = { fqdn, port };
Azure.IoT Build 10:75c5e0d8537d 322 const IO_INTERFACE_DESCRIPTION* io_interface_description = platform_get_default_tlsio();
Azure.IoT Build 10:75c5e0d8537d 323 return xio_create(io_interface_description, &tls_io_config, NULL);
Azure.IoT Build 7:07bc440836b3 324 }
Azure.IoT Build 7:07bc440836b3 325
Azure.IoT Build 7:07bc440836b3 326 static void destroyConnection(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 327 {
Azure.IoT Build 10:75c5e0d8537d 328 if (transport_state->cbs != NULL)
Azure.IoT Build 7:07bc440836b3 329 {
Azure.IoT Build 10:75c5e0d8537d 330 cbs_destroy(transport_state->cbs);
Azure.IoT Build 10:75c5e0d8537d 331 transport_state->cbs = NULL;
Azure.IoT Build 10:75c5e0d8537d 332 }
Azure.IoT Build 7:07bc440836b3 333
Azure.IoT Build 10:75c5e0d8537d 334 if (transport_state->session != NULL)
Azure.IoT Build 10:75c5e0d8537d 335 {
Azure.IoT Build 10:75c5e0d8537d 336 session_destroy(transport_state->session);
Azure.IoT Build 10:75c5e0d8537d 337 transport_state->session = NULL;
Azure.IoT Build 10:75c5e0d8537d 338 }
Azure.IoT Build 7:07bc440836b3 339
Azure.IoT Build 10:75c5e0d8537d 340 if (transport_state->connection != NULL)
Azure.IoT Build 10:75c5e0d8537d 341 {
Azure.IoT Build 10:75c5e0d8537d 342 connection_destroy(transport_state->connection);
Azure.IoT Build 10:75c5e0d8537d 343 transport_state->connection = NULL;
Azure.IoT Build 10:75c5e0d8537d 344 }
Azure.IoT Build 7:07bc440836b3 345
Azure.IoT Build 10:75c5e0d8537d 346 if (transport_state->sasl_io != NULL)
Azure.IoT Build 10:75c5e0d8537d 347 {
Azure.IoT Build 10:75c5e0d8537d 348 xio_destroy(transport_state->sasl_io);
Azure.IoT Build 10:75c5e0d8537d 349 transport_state->sasl_io = NULL;
Azure.IoT Build 10:75c5e0d8537d 350 }
Azure.IoT Build 7:07bc440836b3 351
Azure.IoT Build 10:75c5e0d8537d 352 if (transport_state->sasl_mechanism != NULL)
Azure.IoT Build 10:75c5e0d8537d 353 {
Azure.IoT Build 10:75c5e0d8537d 354 saslmechanism_destroy(transport_state->sasl_mechanism);
Azure.IoT Build 10:75c5e0d8537d 355 transport_state->sasl_mechanism = NULL;
Azure.IoT Build 10:75c5e0d8537d 356 }
Azure.IoT Build 7:07bc440836b3 357
Azure.IoT Build 10:75c5e0d8537d 358 if (transport_state->tls_io != NULL)
Azure.IoT Build 10:75c5e0d8537d 359 {
Azure.IoT Build 10:75c5e0d8537d 360 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_034: [IoTHubTransportAMQP_Destroy shall destroy the AMQP TLS I/O transport.]
Azure.IoT Build 10:75c5e0d8537d 361 xio_destroy(transport_state->tls_io);
Azure.IoT Build 10:75c5e0d8537d 362 transport_state->tls_io = NULL;
Azure.IoT Build 10:75c5e0d8537d 363 }
Azure.IoT Build 7:07bc440836b3 364 }
Azure.IoT Build 7:07bc440836b3 365
Azure.IoT Build 7:07bc440836b3 366 static void on_amqp_management_state_changed(void* context, AMQP_MANAGEMENT_STATE new_amqp_management_state, AMQP_MANAGEMENT_STATE previous_amqp_management_state)
Azure.IoT Build 7:07bc440836b3 367 {
Azure.IoT Build 10:75c5e0d8537d 368 (void)previous_amqp_management_state;
Azure.IoT Build 10:75c5e0d8537d 369 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)context;
Azure.IoT Build 11:62d7b956e76e 370
Azure.IoT Build 10:75c5e0d8537d 371 if (transport_state != NULL)
Azure.IoT Build 7:07bc440836b3 372 {
Azure.IoT Build 7:07bc440836b3 373 transport_state->connection_state = new_amqp_management_state;
Azure.IoT Build 7:07bc440836b3 374 }
Azure.IoT Build 7:07bc440836b3 375 }
Azure.IoT Build 7:07bc440836b3 376
Azure.IoT Build 7:07bc440836b3 377 static int establishConnection(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 378 {
Azure.IoT Build 7:07bc440836b3 379 int result;
Azure.IoT Build 7:07bc440836b3 380
Azure.IoT Build 7:07bc440836b3 381 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_110: [IoTHubTransportAMQP_DoWork shall create the TLS IO using transport_state->io_transport_provider callback function]
Azure.IoT Build 7:07bc440836b3 382 if (transport_state->tls_io == NULL &&
Azure.IoT Build 11:62d7b956e76e 383 (transport_state->tls_io = transport_state->tls_io_transport_provider(STRING_c_str(transport_state->iotHubHostFqdn), transport_state->iotHubPort)) == NULL)
Azure.IoT Build 7:07bc440836b3 384 {
Azure.IoT Build 7:07bc440836b3 385 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_136: [If transport_state->io_transport_provider_callback fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 386 result = RESULT_FAILURE;
Azure.IoT Build 10:75c5e0d8537d 387 LogError("Failed to obtain a TLS I/O transport layer.\r\n");
Azure.IoT Build 7:07bc440836b3 388 }
Azure.IoT Build 10:75c5e0d8537d 389 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_056: [IoTHubTransportAMQP_DoWork shall create the SASL mechanism using AMQP's saslmechanism_create() API]
Azure.IoT Build 7:07bc440836b3 390 else if ((transport_state->sasl_mechanism = saslmechanism_create(saslmssbcbs_get_interface(), NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 391 {
Azure.IoT Build 7:07bc440836b3 392 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_057: [If saslmechanism_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 393 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 394 LogError("Failed to create a SASL mechanism.\r\n");
Azure.IoT Build 7:07bc440836b3 395 }
Azure.IoT Build 7:07bc440836b3 396 else
Azure.IoT Build 7:07bc440836b3 397 {
Azure.IoT Build 7:07bc440836b3 398 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_060: [IoTHubTransportAMQP_DoWork shall create the SASL I / O layer using the xio_create() C Shared Utility API]
Azure.IoT Build 7:07bc440836b3 399 SASLCLIENTIO_CONFIG sasl_client_config = { transport_state->tls_io, transport_state->sasl_mechanism };
Azure.IoT Build 7:07bc440836b3 400 if ((transport_state->sasl_io = xio_create(saslclientio_get_interface_description(), &sasl_client_config, NULL)) == NULL)
AzureIoTClient 4:57e049bce51e 401 {
Azure.IoT Build 7:07bc440836b3 402 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_061: [If xio_create() fails creating the SASL I/O layer, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 403 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 404 LogError("Failed to create a SASL I/O layer.\r\n");
AzureIoTClient 4:57e049bce51e 405 }
Azure.IoT Build 7:07bc440836b3 406 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_062: [IoTHubTransportAMQP_DoWork shall create the connection with the IoT service using connection_create() AMQP API, passing the SASL I/O layer, IoT Hub FQDN and container ID as parameters (pass NULL for callbacks)]
Azure.IoT Build 7:07bc440836b3 407 else if ((transport_state->connection = connection_create(transport_state->sasl_io, STRING_c_str(transport_state->iotHubHostFqdn), DEFAULT_CONTAINER_ID, NULL, NULL)) == NULL)
AzureIoTClient 4:57e049bce51e 408 {
Azure.IoT Build 7:07bc440836b3 409 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_063: [If connection_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately.]
Azure.IoT Build 7:07bc440836b3 410 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 411 LogError("Failed to create the AMQP connection.\r\n");
Azure.IoT Build 7:07bc440836b3 412 }
Azure.IoT Build 7:07bc440836b3 413 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_137: [IoTHubTransportAMQP_DoWork shall create the AMQP session session_create() AMQP API, passing the connection instance as parameter]
Azure.IoT Build 7:07bc440836b3 414 else if ((transport_state->session = session_create(transport_state->connection, NULL, NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 415 {
Azure.IoT Build 7:07bc440836b3 416 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_138 : [If session_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 417 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 418 LogError("Failed to create the AMQP session.\r\n");
AzureIoTClient 4:57e049bce51e 419 }
AzureIoTClient 4:57e049bce51e 420 else
AzureIoTClient 4:57e049bce51e 421 {
Azure.IoT Build 10:75c5e0d8537d 422 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_065: [IoTHubTransportAMQP_DoWork shall apply a default value of UINT_MAX for the parameter 'AMQP incoming window']
Azure.IoT Build 7:07bc440836b3 423 if (session_set_incoming_window(transport_state->session, (uint32_t)DEFAULT_INCOMING_WINDOW_SIZE) != 0)
Azure.IoT Build 7:07bc440836b3 424 {
Azure.IoT Build 7:07bc440836b3 425 LogError("Failed to set the AMQP incoming window size.\r\n");
Azure.IoT Build 7:07bc440836b3 426 }
Azure.IoT Build 7:07bc440836b3 427
Azure.IoT Build 10:75c5e0d8537d 428 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_115: [IoTHubTransportAMQP_DoWork shall apply a default value of 100 for the parameter 'AMQP outgoing window']
Azure.IoT Build 7:07bc440836b3 429 if (session_set_outgoing_window(transport_state->session, DEFAULT_OUTGOING_WINDOW_SIZE) != 0)
Azure.IoT Build 7:07bc440836b3 430 {
Azure.IoT Build 7:07bc440836b3 431 LogError("Failed to set the AMQP outgoing window size.\r\n");
Azure.IoT Build 7:07bc440836b3 432 }
Azure.IoT Build 7:07bc440836b3 433
Azure.IoT Build 7:07bc440836b3 434 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_066: [IoTHubTransportAMQP_DoWork shall establish the CBS connection using the cbs_create() AMQP API]
Azure.IoT Build 7:07bc440836b3 435 if ((transport_state->cbs = cbs_create(transport_state->session, on_amqp_management_state_changed, NULL)) == NULL)
AzureIoTClient 4:57e049bce51e 436 {
Azure.IoT Build 7:07bc440836b3 437 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_067: [If cbs_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 438 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 439 LogError("Failed to create the CBS connection.\r\n");
Azure.IoT Build 7:07bc440836b3 440 }
Azure.IoT Build 7:07bc440836b3 441 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_139: [IoTHubTransportAMQP_DoWork shall open the CBS connection using the cbs_open() AMQP API]
Azure.IoT Build 10:75c5e0d8537d 442 else if (cbs_open(transport_state->cbs) != 0)
Azure.IoT Build 7:07bc440836b3 443 {
Azure.IoT Build 7:07bc440836b3 444 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_140: [If cbs_open() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 445 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 446 LogError("Failed to open the connection with CBS.\r\n");
Azure.IoT Build 7:07bc440836b3 447 }
Azure.IoT Build 7:07bc440836b3 448 else
Azure.IoT Build 7:07bc440836b3 449 {
Azure.IoT Build 7:07bc440836b3 450 transport_state->connection_establish_time = getSecondsSinceEpoch();
Azure.IoT Build 7:07bc440836b3 451 transport_state->cbs_state = CBS_STATE_IDLE;
Azure.IoT Build 7:07bc440836b3 452 result = RESULT_OK;
AzureIoTClient 4:57e049bce51e 453 }
AzureIoTClient 4:57e049bce51e 454 }
AzureIoTClient 4:57e049bce51e 455 }
Azure.IoT Build 7:07bc440836b3 456
Azure.IoT Build 7:07bc440836b3 457 if (result == RESULT_FAILURE)
Azure.IoT Build 7:07bc440836b3 458 {
Azure.IoT Build 7:07bc440836b3 459 destroyConnection(transport_state);
Azure.IoT Build 7:07bc440836b3 460 }
Azure.IoT Build 7:07bc440836b3 461
Azure.IoT Build 7:07bc440836b3 462 return result;
AzureIoTClient 4:57e049bce51e 463 }
AzureIoTClient 4:57e049bce51e 464
Azure.IoT Build 7:07bc440836b3 465 static int startAuthentication(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 466 {
Azure.IoT Build 10:75c5e0d8537d 467 int result;
Azure.IoT Build 7:07bc440836b3 468
Azure.IoT Build 7:07bc440836b3 469 size_t sas_token_create_time = getSecondsSinceEpoch(); // I.e.: NOW, in seconds since epoch.
Azure.IoT Build 11:62d7b956e76e 470
Azure.IoT Build 11:62d7b956e76e 471 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_083: [Each new SAS token created by the transport shall be valid for up to 'sas_token_lifetime' milliseconds from the time of creation]
Azure.IoT Build 7:07bc440836b3 472 size_t new_expiry_time = sas_token_create_time + (transport_state->sas_token_lifetime / 1000);
Azure.IoT Build 7:07bc440836b3 473
Azure.IoT Build 7:07bc440836b3 474 STRING_HANDLE newSASToken = SASToken_Create(transport_state->deviceKey, transport_state->devicesPath, transport_state->sasTokenKeyName, new_expiry_time);
Azure.IoT Build 7:07bc440836b3 475
Azure.IoT Build 7:07bc440836b3 476 if (newSASToken == NULL)
AzureIoTClient 4:57e049bce51e 477 {
Azure.IoT Build 7:07bc440836b3 478 LogError("Could not generate a new SAS token for the CBS\r\n");
Azure.IoT Build 10:75c5e0d8537d 479 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 480 }
Azure.IoT Build 7:07bc440836b3 481 else if (cbs_put_token(transport_state->cbs, CBS_AUDIENCE, STRING_c_str(transport_state->devicesPath), STRING_c_str(newSASToken), on_put_token_complete, transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 482 {
Azure.IoT Build 7:07bc440836b3 483 LogError("Failed applying new SAS token to CBS\r\n");
Azure.IoT Build 10:75c5e0d8537d 484 result = RESULT_FAILURE;
AzureIoTClient 4:57e049bce51e 485 }
AzureIoTClient 4:57e049bce51e 486 else
AzureIoTClient 4:57e049bce51e 487 {
Azure.IoT Build 7:07bc440836b3 488 transport_state->cbs_state = CBS_STATE_AUTH_IN_PROGRESS;
Azure.IoT Build 7:07bc440836b3 489 transport_state->current_sas_token_create_time = sas_token_create_time;
Azure.IoT Build 7:07bc440836b3 490 result = RESULT_OK;
AzureIoTClient 4:57e049bce51e 491 }
Azure.IoT Build 7:07bc440836b3 492
Azure.IoT Build 7:07bc440836b3 493 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_145: [Each new SAS token created shall be deleted from memory immediately after sending it to CBS]
Azure.IoT Build 7:07bc440836b3 494 if (newSASToken != NULL)
Azure.IoT Build 10:75c5e0d8537d 495 {
Azure.IoT Build 7:07bc440836b3 496 STRING_delete(newSASToken);
Azure.IoT Build 10:75c5e0d8537d 497 }
Azure.IoT Build 7:07bc440836b3 498
AzureIoTClient 4:57e049bce51e 499 return result;
AzureIoTClient 4:57e049bce51e 500 }
AzureIoTClient 4:57e049bce51e 501
Azure.IoT Build 7:07bc440836b3 502 static int verifyAuthenticationTimeout(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 503 {
Azure.IoT Build 7:07bc440836b3 504 return ((getSecondsSinceEpoch() - transport_state->current_sas_token_create_time) * 1000 >= transport_state->cbs_request_timeout) ? RESULT_TIMEOUT : RESULT_OK;
Azure.IoT Build 7:07bc440836b3 505 }
AzureIoTClient 4:57e049bce51e 506
Azure.IoT Build 7:07bc440836b3 507 static void attachDeviceClientTypeToLink(LINK_HANDLE link)
Azure.IoT Build 7:07bc440836b3 508 {
Azure.IoT Build 10:75c5e0d8537d 509 fields attach_properties;
Azure.IoT Build 10:75c5e0d8537d 510 AMQP_VALUE deviceClientTypeKeyName;
Azure.IoT Build 10:75c5e0d8537d 511 AMQP_VALUE deviceClientTypeValue;
Azure.IoT Build 7:07bc440836b3 512 int result;
Azure.IoT Build 7:07bc440836b3 513
Azure.IoT Build 7:07bc440836b3 514 //
Azure.IoT Build 7:07bc440836b3 515 // Attempt to add the device client type string to the attach properties.
Azure.IoT Build 7:07bc440836b3 516 // If this doesn't happen, well, this isn't that important. We can operate
Azure.IoT Build 7:07bc440836b3 517 // without this property. It's worth noting that even though we are going
Azure.IoT Build 7:07bc440836b3 518 // on, the reasons any of these operations fail don't bode well for the
Azure.IoT Build 7:07bc440836b3 519 // actual upcoming attach.
Azure.IoT Build 7:07bc440836b3 520 //
Azure.IoT Build 7:07bc440836b3 521
Azure.IoT Build 7:07bc440836b3 522 // Codes_SRS_IOTHUBTRANSPORTAMQP_06_187: [If IotHubTransportAMQP_DoWork fails to create an attach properties map and assign that map to the link the function will STILL proceed with the attempt to create the message sender.]
Azure.IoT Build 7:07bc440836b3 523
Azure.IoT Build 7:07bc440836b3 524 if ((attach_properties = amqpvalue_create_map()) == NULL)
AzureIoTClient 4:57e049bce51e 525 {
Azure.IoT Build 7:07bc440836b3 526 LogError("Failed to create the map for device client type.\r\n");
AzureIoTClient 4:57e049bce51e 527 }
Azure.IoT Build 10:75c5e0d8537d 528 else
Azure.IoT Build 7:07bc440836b3 529 {
Azure.IoT Build 10:75c5e0d8537d 530 if ((deviceClientTypeKeyName = amqpvalue_create_symbol("com.microsoft:client-version")) == NULL)
Azure.IoT Build 10:75c5e0d8537d 531 {
Azure.IoT Build 10:75c5e0d8537d 532 LogError("Failed to create the key name for the device client type.\r\n");
Azure.IoT Build 10:75c5e0d8537d 533 }
Azure.IoT Build 10:75c5e0d8537d 534 else
Azure.IoT Build 10:75c5e0d8537d 535 {
Azure.IoT Build 10:75c5e0d8537d 536 if ((deviceClientTypeValue = amqpvalue_create_string(CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION)) == NULL)
Azure.IoT Build 10:75c5e0d8537d 537 {
Azure.IoT Build 10:75c5e0d8537d 538 LogError("Failed to create the key value for the device client type.\r\n");
Azure.IoT Build 10:75c5e0d8537d 539 }
Azure.IoT Build 10:75c5e0d8537d 540 else
Azure.IoT Build 10:75c5e0d8537d 541 {
Azure.IoT Build 10:75c5e0d8537d 542 if ((result = amqpvalue_set_map_value(attach_properties, deviceClientTypeKeyName, deviceClientTypeValue)) != 0)
Azure.IoT Build 10:75c5e0d8537d 543 {
Azure.IoT Build 10:75c5e0d8537d 544 LogError("Failed to set the property map for the device client type. Error code is: %d\r\n", result);
Azure.IoT Build 10:75c5e0d8537d 545 }
Azure.IoT Build 10:75c5e0d8537d 546 else if ((result = link_set_attach_properties(link, attach_properties)) != 0)
Azure.IoT Build 10:75c5e0d8537d 547 {
Azure.IoT Build 10:75c5e0d8537d 548 LogError("Unable to attach the device client type to the link properties. Error code is: %d\r\n", result);
Azure.IoT Build 10:75c5e0d8537d 549 }
Azure.IoT Build 10:75c5e0d8537d 550
Azure.IoT Build 10:75c5e0d8537d 551 amqpvalue_destroy(deviceClientTypeValue);
Azure.IoT Build 10:75c5e0d8537d 552 }
Azure.IoT Build 10:75c5e0d8537d 553
Azure.IoT Build 10:75c5e0d8537d 554 amqpvalue_destroy(deviceClientTypeKeyName);
Azure.IoT Build 10:75c5e0d8537d 555 }
Azure.IoT Build 10:75c5e0d8537d 556
Azure.IoT Build 10:75c5e0d8537d 557 amqpvalue_destroy(attach_properties);
AzureIoTClient 4:57e049bce51e 558 }
Azure.IoT Build 7:07bc440836b3 559 }
Azure.IoT Build 7:07bc440836b3 560
Azure.IoT Build 10:75c5e0d8537d 561 static void destroyEventSender(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 562 {
Azure.IoT Build 7:07bc440836b3 563 if (transport_state->message_sender != NULL)
Azure.IoT Build 7:07bc440836b3 564 {
Azure.IoT Build 7:07bc440836b3 565 messagesender_destroy(transport_state->message_sender);
Azure.IoT Build 7:07bc440836b3 566 transport_state->message_sender = NULL;
Azure.IoT Build 7:07bc440836b3 567
Azure.IoT Build 7:07bc440836b3 568 link_destroy(transport_state->sender_link);
Azure.IoT Build 7:07bc440836b3 569 transport_state->sender_link = NULL;
AzureIoTClient 4:57e049bce51e 570 }
AzureIoTClient 4:57e049bce51e 571 }
AzureIoTClient 4:57e049bce51e 572
Azure.IoT Build 7:07bc440836b3 573 static int createEventSender(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 574 {
Azure.IoT Build 7:07bc440836b3 575 int result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 576
Azure.IoT Build 7:07bc440836b3 577 if (transport_state->message_sender == NULL)
AzureIoTClient 4:57e049bce51e 578 {
Azure.IoT Build 7:07bc440836b3 579 AMQP_VALUE source = NULL;
Azure.IoT Build 7:07bc440836b3 580 AMQP_VALUE target = NULL;
Azure.IoT Build 7:07bc440836b3 581
Azure.IoT Build 10:75c5e0d8537d 582 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_068: [IoTHubTransportAMQP_DoWork shall create the AMQP link for sending messages using 'source' as "ingress", target as the IoT hub FQDN, link name as "sender-link" and role as 'role_sender']
Azure.IoT Build 7:07bc440836b3 583 if ((source = messaging_create_source(MESSAGE_SENDER_SOURCE_ADDRESS)) == NULL)
AzureIoTClient 4:57e049bce51e 584 {
Azure.IoT Build 7:07bc440836b3 585 LogError("Failed creating AMQP messaging source attribute.\r\n");
AzureIoTClient 4:57e049bce51e 586 }
Azure.IoT Build 7:07bc440836b3 587 else if ((target = messaging_create_target(STRING_c_str(transport_state->targetAddress))) == NULL)
AzureIoTClient 4:57e049bce51e 588 {
Azure.IoT Build 7:07bc440836b3 589 LogError("Failed creating AMQP messaging target attribute.\r\n");
Azure.IoT Build 7:07bc440836b3 590 }
Azure.IoT Build 7:07bc440836b3 591 else if ((transport_state->sender_link = link_create(transport_state->session, MESSAGE_SENDER_LINK_NAME, role_sender, source, target)) == NULL)
Azure.IoT Build 7:07bc440836b3 592 {
Azure.IoT Build 7:07bc440836b3 593 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_069: [If IoTHubTransportAMQP_DoWork fails to create the AMQP link for sending messages, the function shall fail and return immediately, flagging the connection to be re-stablished]
Azure.IoT Build 7:07bc440836b3 594 LogError("Failed creating AMQP link for message sender.\r\n");
AzureIoTClient 4:57e049bce51e 595 }
AzureIoTClient 4:57e049bce51e 596 else
AzureIoTClient 4:57e049bce51e 597 {
Azure.IoT Build 10:75c5e0d8537d 598 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_119: [IoTHubTransportAMQP_DoWork shall apply a default value of 65536 for the parameter 'Link MAX message size']
Azure.IoT Build 7:07bc440836b3 599 if (link_set_max_message_size(transport_state->sender_link, MESSAGE_SENDER_MAX_LINK_SIZE) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 600 {
Azure.IoT Build 7:07bc440836b3 601 LogError("Failed setting AMQP link max message size.\r\n");
Azure.IoT Build 7:07bc440836b3 602 }
Azure.IoT Build 7:07bc440836b3 603
Azure.IoT Build 7:07bc440836b3 604 attachDeviceClientTypeToLink(transport_state->sender_link);
Azure.IoT Build 7:07bc440836b3 605
Azure.IoT Build 7:07bc440836b3 606 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_070: [IoTHubTransportAMQP_DoWork shall create the AMQP message sender using messagesender_create() AMQP API]
Azure.IoT Build 7:07bc440836b3 607 if ((transport_state->message_sender = messagesender_create(transport_state->sender_link, NULL, NULL, NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 608 {
Azure.IoT Build 7:07bc440836b3 609 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_071: [IoTHubTransportAMQP_DoWork shall fail and return immediately if the AMQP message sender instance fails to be created, flagging the connection to be re-established]
Azure.IoT Build 7:07bc440836b3 610 LogError("Could not allocate AMQP message sender\r\n");
Azure.IoT Build 7:07bc440836b3 611 }
Azure.IoT Build 7:07bc440836b3 612 else
Azure.IoT Build 7:07bc440836b3 613 {
Azure.IoT Build 7:07bc440836b3 614 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_072: [IoTHubTransportAMQP_DoWork shall open the AMQP message sender using messagesender_open() AMQP API]
Azure.IoT Build 7:07bc440836b3 615 if (messagesender_open(transport_state->message_sender) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 616 {
Azure.IoT Build 7:07bc440836b3 617 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_073: [IoTHubTransportAMQP_DoWork shall fail and return immediately if the AMQP message sender instance fails to be opened, flagging the connection to be re-established]
Azure.IoT Build 7:07bc440836b3 618 LogError("Failed opening the AMQP message sender.\r\n");
Azure.IoT Build 7:07bc440836b3 619 }
Azure.IoT Build 7:07bc440836b3 620 else
Azure.IoT Build 7:07bc440836b3 621 {
Azure.IoT Build 7:07bc440836b3 622 result = RESULT_OK;
Azure.IoT Build 7:07bc440836b3 623 }
Azure.IoT Build 7:07bc440836b3 624 }
AzureIoTClient 4:57e049bce51e 625 }
Azure.IoT Build 7:07bc440836b3 626
Azure.IoT Build 7:07bc440836b3 627 if (source != NULL)
Azure.IoT Build 7:07bc440836b3 628 amqpvalue_destroy(source);
Azure.IoT Build 7:07bc440836b3 629 if (target != NULL)
Azure.IoT Build 7:07bc440836b3 630 amqpvalue_destroy(target);
AzureIoTClient 4:57e049bce51e 631 }
Azure.IoT Build 11:62d7b956e76e 632
Azure.IoT Build 7:07bc440836b3 633 return result;
AzureIoTClient 4:57e049bce51e 634 }
Azure.IoT Build 7:07bc440836b3 635
Azure.IoT Build 7:07bc440836b3 636 static int destroyMessageReceiver(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 637 {
Azure.IoT Build 7:07bc440836b3 638 int result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 639
Azure.IoT Build 7:07bc440836b3 640 if (transport_state->message_receiver != NULL)
AzureIoTClient 4:57e049bce51e 641 {
Azure.IoT Build 7:07bc440836b3 642 if (messagereceiver_close(transport_state->message_receiver) != RESULT_OK)
AzureIoTClient 4:57e049bce51e 643 {
Azure.IoT Build 7:07bc440836b3 644 LogError("Failed closing the AMQP message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 645 }
Azure.IoT Build 7:07bc440836b3 646
Azure.IoT Build 7:07bc440836b3 647 messagereceiver_destroy(transport_state->message_receiver);
Azure.IoT Build 7:07bc440836b3 648
Azure.IoT Build 7:07bc440836b3 649 transport_state->message_receiver = NULL;
Azure.IoT Build 7:07bc440836b3 650
Azure.IoT Build 7:07bc440836b3 651 link_destroy(transport_state->receiver_link);
Azure.IoT Build 7:07bc440836b3 652
Azure.IoT Build 7:07bc440836b3 653 transport_state->receiver_link = NULL;
Azure.IoT Build 7:07bc440836b3 654
Azure.IoT Build 7:07bc440836b3 655 result = RESULT_OK;
Azure.IoT Build 7:07bc440836b3 656 }
Azure.IoT Build 7:07bc440836b3 657
Azure.IoT Build 7:07bc440836b3 658 return result;
Azure.IoT Build 7:07bc440836b3 659 }
Azure.IoT Build 7:07bc440836b3 660
Azure.IoT Build 7:07bc440836b3 661 static int createMessageReceiver(AMQP_TRANSPORT_INSTANCE* transport_state, IOTHUB_CLIENT_LL_HANDLE iothub_client_handle)
Azure.IoT Build 7:07bc440836b3 662 {
Azure.IoT Build 7:07bc440836b3 663 int result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 664
Azure.IoT Build 7:07bc440836b3 665 if (transport_state->message_sender == NULL)
Azure.IoT Build 7:07bc440836b3 666 {
Azure.IoT Build 7:07bc440836b3 667 AMQP_VALUE source = NULL;
Azure.IoT Build 7:07bc440836b3 668 AMQP_VALUE target = NULL;
Azure.IoT Build 7:07bc440836b3 669
Azure.IoT Build 10:75c5e0d8537d 670 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_074: [IoTHubTransportAMQP_DoWork shall create the AMQP link for receiving messages using 'source' as messageReceiveAddress, target as the "ingress-rx", link name as "receiver-link" and role as 'role_receiver']
Azure.IoT Build 7:07bc440836b3 671 if ((source = messaging_create_source(STRING_c_str(transport_state->messageReceiveAddress))) == NULL)
Azure.IoT Build 7:07bc440836b3 672 {
Azure.IoT Build 7:07bc440836b3 673 LogError("Failed creating AMQP message receiver source attribute.\r\n");
Azure.IoT Build 7:07bc440836b3 674 }
Azure.IoT Build 7:07bc440836b3 675 else if ((target = messaging_create_target(MESSAGE_RECEIVER_TARGET_ADDRESS)) == NULL)
Azure.IoT Build 7:07bc440836b3 676 {
Azure.IoT Build 7:07bc440836b3 677 LogError("Failed creating AMQP message receiver target attribute.\r\n");
Azure.IoT Build 7:07bc440836b3 678 }
Azure.IoT Build 7:07bc440836b3 679 else if ((transport_state->receiver_link = link_create(transport_state->session, MESSAGE_RECEIVER_LINK_NAME, role_receiver, source, target)) == NULL)
Azure.IoT Build 7:07bc440836b3 680 {
Azure.IoT Build 7:07bc440836b3 681 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_075: [If IoTHubTransportAMQP_DoWork fails to create the AMQP link for receiving messages, the function shall fail and return immediately, flagging the connection to be re-stablished]
Azure.IoT Build 7:07bc440836b3 682 LogError("Failed creating AMQP link for message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 683 }
Azure.IoT Build 7:07bc440836b3 684 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_076: [IoTHubTransportAMQP_DoWork shall set the receiver link settle mode as receiver_settle_mode_first]
Azure.IoT Build 7:07bc440836b3 685 else if (link_set_rcv_settle_mode(transport_state->receiver_link, receiver_settle_mode_first) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 686 {
Azure.IoT Build 7:07bc440836b3 687 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_141: [If IoTHubTransportAMQP_DoWork fails to set the settle mode on the AMQP link for receiving messages, the function shall fail and return immediately, flagging the connection to be re-stablished]
Azure.IoT Build 7:07bc440836b3 688 LogError("Failed setting AMQP link settle mode for message receiver.\r\n");
AzureIoTClient 4:57e049bce51e 689 }
AzureIoTClient 4:57e049bce51e 690 else
AzureIoTClient 4:57e049bce51e 691 {
Azure.IoT Build 10:75c5e0d8537d 692 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_119: [IoTHubTransportAMQP_DoWork shall apply a default value of 65536 for the parameter 'Link MAX message size']
Azure.IoT Build 7:07bc440836b3 693 if (link_set_max_message_size(transport_state->receiver_link, MESSAGE_RECEIVER_MAX_LINK_SIZE) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 694 {
Azure.IoT Build 7:07bc440836b3 695 LogError("Failed setting AMQP link max message size for message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 696 }
Azure.IoT Build 7:07bc440836b3 697
Azure.IoT Build 7:07bc440836b3 698 attachDeviceClientTypeToLink(transport_state->receiver_link);
AzureIoTClient 4:57e049bce51e 699
Azure.IoT Build 7:07bc440836b3 700 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_077: [IoTHubTransportAMQP_DoWork shall create the AMQP message receiver using messagereceiver_create() AMQP API]
Azure.IoT Build 7:07bc440836b3 701 if ((transport_state->message_receiver = messagereceiver_create(transport_state->receiver_link, NULL, NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 702 {
Azure.IoT Build 7:07bc440836b3 703 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_078: [IoTHubTransportAMQP_DoWork shall fail and return immediately if the AMQP message receiver instance fails to be created, flagging the connection to be re-established]
Azure.IoT Build 7:07bc440836b3 704 LogError("Could not allocate AMQP message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 705 }
Azure.IoT Build 7:07bc440836b3 706 else
AzureIoTClient 4:57e049bce51e 707 {
Azure.IoT Build 7:07bc440836b3 708 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_079: [IoTHubTransportAMQP_DoWork shall open the AMQP message receiver using messagereceiver_open() AMQP API, passing a callback function for handling C2D incoming messages]
Azure.IoT Build 10:75c5e0d8537d 709 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_123: [IoTHubTransportAMQP_DoWork shall create each AMQP message_receiver passing the 'on_message_received' as the callback function]
Azure.IoT Build 7:07bc440836b3 710 if (messagereceiver_open(transport_state->message_receiver, on_message_received, (const void*)iothub_client_handle) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 711 {
Azure.IoT Build 7:07bc440836b3 712 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_080: [IoTHubTransportAMQP_DoWork shall fail and return immediately if the AMQP message receiver instance fails to be opened, flagging the connection to be re-established]
Azure.IoT Build 7:07bc440836b3 713 LogError("Failed opening the AMQP message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 714 }
Azure.IoT Build 7:07bc440836b3 715 else
Azure.IoT Build 7:07bc440836b3 716 {
Azure.IoT Build 7:07bc440836b3 717 result = RESULT_OK;
Azure.IoT Build 7:07bc440836b3 718 }
AzureIoTClient 4:57e049bce51e 719 }
AzureIoTClient 4:57e049bce51e 720 }
Azure.IoT Build 7:07bc440836b3 721
Azure.IoT Build 7:07bc440836b3 722 if (source != NULL)
Azure.IoT Build 7:07bc440836b3 723 amqpvalue_destroy(source);
Azure.IoT Build 7:07bc440836b3 724 if (target != NULL)
Azure.IoT Build 7:07bc440836b3 725 amqpvalue_destroy(target);
AzureIoTClient 4:57e049bce51e 726 }
Azure.IoT Build 7:07bc440836b3 727
Azure.IoT Build 7:07bc440836b3 728 return result;
AzureIoTClient 4:57e049bce51e 729 }
AzureIoTClient 4:57e049bce51e 730
Azure.IoT Build 10:75c5e0d8537d 731 static int addPropertiesTouAMQPMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, MESSAGE_HANDLE uamqp_message)
Azure.IoT Build 10:75c5e0d8537d 732 {
Azure.IoT Build 10:75c5e0d8537d 733 int result;
Azure.IoT Build 10:75c5e0d8537d 734 MAP_HANDLE properties_map;
Azure.IoT Build 10:75c5e0d8537d 735 const char* const* propertyKeys;
Azure.IoT Build 10:75c5e0d8537d 736 const char* const* propertyValues;
Azure.IoT Build 10:75c5e0d8537d 737 size_t propertyCount;
Azure.IoT Build 10:75c5e0d8537d 738
Azure.IoT Build 10:75c5e0d8537d 739 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_007: [The IoTHub message properties shall be obtained by calling IoTHubMessage_Properties.] */
Azure.IoT Build 10:75c5e0d8537d 740 properties_map = IoTHubMessage_Properties(iothub_message_handle);
Azure.IoT Build 10:75c5e0d8537d 741 if (properties_map == NULL)
Azure.IoT Build 10:75c5e0d8537d 742 {
Azure.IoT Build 10:75c5e0d8537d 743 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 744 LogError("Failed to get property map from IoTHub message.\r\n");
Azure.IoT Build 10:75c5e0d8537d 745 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 746 }
Azure.IoT Build 10:75c5e0d8537d 747 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_015: [The actual keys and values, as well as the number of properties shall be obtained by calling Map_GetInternals on the handle obtained from IoTHubMessage_Properties.] */
Azure.IoT Build 10:75c5e0d8537d 748 else if (Map_GetInternals(properties_map, &propertyKeys, &propertyValues, &propertyCount) != MAP_OK)
Azure.IoT Build 10:75c5e0d8537d 749 {
Azure.IoT Build 10:75c5e0d8537d 750 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 751 LogError("Failed to get the internals of the property map.\r\n");
Azure.IoT Build 10:75c5e0d8537d 752 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 753 }
Azure.IoT Build 10:75c5e0d8537d 754 else
Azure.IoT Build 10:75c5e0d8537d 755 {
Azure.IoT Build 10:75c5e0d8537d 756 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_016: [If the number of properties is 0, no uAMQP map shall be created and no application properties shall be set on the uAMQP message.] */
Azure.IoT Build 10:75c5e0d8537d 757 if (propertyCount != 0)
Azure.IoT Build 10:75c5e0d8537d 758 {
Azure.IoT Build 10:75c5e0d8537d 759 size_t i;
Azure.IoT Build 10:75c5e0d8537d 760 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_009: [The uAMQP map shall be created by calling amqpvalue_create_map.] */
Azure.IoT Build 10:75c5e0d8537d 761 AMQP_VALUE uamqp_map = amqpvalue_create_map();
Azure.IoT Build 10:75c5e0d8537d 762 if (uamqp_map == NULL)
Azure.IoT Build 10:75c5e0d8537d 763 {
Azure.IoT Build 10:75c5e0d8537d 764 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 765 LogError("Failed to create uAMQP map for the properties.\r\n");
Azure.IoT Build 10:75c5e0d8537d 766 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 767 }
Azure.IoT Build 10:75c5e0d8537d 768 else
Azure.IoT Build 10:75c5e0d8537d 769 {
Azure.IoT Build 10:75c5e0d8537d 770 for (i = 0; i < propertyCount; i++)
Azure.IoT Build 10:75c5e0d8537d 771 {
Azure.IoT Build 10:75c5e0d8537d 772 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_010: [A key uAMQP value shall be created by using amqpvalue_create_string.] */
Azure.IoT Build 10:75c5e0d8537d 773 AMQP_VALUE map_key_value = amqpvalue_create_string(propertyKeys[i]);
Azure.IoT Build 10:75c5e0d8537d 774 if (map_key_value == NULL)
Azure.IoT Build 10:75c5e0d8537d 775 {
Azure.IoT Build 10:75c5e0d8537d 776 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 777 LogError("Failed to create uAMQP property key value.\r\n");
Azure.IoT Build 10:75c5e0d8537d 778 break;
Azure.IoT Build 10:75c5e0d8537d 779 }
Azure.IoT Build 10:75c5e0d8537d 780
Azure.IoT Build 10:75c5e0d8537d 781 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_011: [A value uAMQP value shall be created by using amqpvalue_create_string.] */
Azure.IoT Build 10:75c5e0d8537d 782 AMQP_VALUE map_value_value = amqpvalue_create_string(propertyValues[i]);
Azure.IoT Build 10:75c5e0d8537d 783 if (map_value_value == NULL)
Azure.IoT Build 10:75c5e0d8537d 784 {
Azure.IoT Build 10:75c5e0d8537d 785 amqpvalue_destroy(map_key_value);
Azure.IoT Build 10:75c5e0d8537d 786 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 787 LogError("Failed to create uAMQP property key value.\r\n");
Azure.IoT Build 10:75c5e0d8537d 788 break;
Azure.IoT Build 10:75c5e0d8537d 789 }
Azure.IoT Build 10:75c5e0d8537d 790
Azure.IoT Build 10:75c5e0d8537d 791 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_008: [All properties shall be transferred to a uAMQP map.] */
Azure.IoT Build 10:75c5e0d8537d 792 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_012: [The key/value pair for the property shall be set into the uAMQP property map by calling amqpvalue_map_set_value.] */
Azure.IoT Build 10:75c5e0d8537d 793 if (amqpvalue_set_map_value(uamqp_map, map_key_value, map_value_value) != 0)
Azure.IoT Build 10:75c5e0d8537d 794 {
Azure.IoT Build 10:75c5e0d8537d 795 amqpvalue_destroy(map_key_value);
Azure.IoT Build 10:75c5e0d8537d 796 amqpvalue_destroy(map_value_value);
Azure.IoT Build 10:75c5e0d8537d 797 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 798 LogError("Failed to create uAMQP property key value.\r\n");
Azure.IoT Build 10:75c5e0d8537d 799 break;
Azure.IoT Build 10:75c5e0d8537d 800 }
Azure.IoT Build 10:75c5e0d8537d 801
Azure.IoT Build 10:75c5e0d8537d 802 amqpvalue_destroy(map_key_value);
Azure.IoT Build 10:75c5e0d8537d 803 amqpvalue_destroy(map_value_value);
Azure.IoT Build 10:75c5e0d8537d 804 }
Azure.IoT Build 10:75c5e0d8537d 805
Azure.IoT Build 10:75c5e0d8537d 806 if (i < propertyCount)
Azure.IoT Build 10:75c5e0d8537d 807 {
Azure.IoT Build 10:75c5e0d8537d 808 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 809 }
Azure.IoT Build 10:75c5e0d8537d 810 else
Azure.IoT Build 10:75c5e0d8537d 811 {
Azure.IoT Build 10:75c5e0d8537d 812 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_013: [After all properties have been filled in the uAMQP map, the uAMQP properties map shall be set on the uAMQP message by calling message_set_application_properties.] */
Azure.IoT Build 10:75c5e0d8537d 813 if (message_set_application_properties(uamqp_message, uamqp_map) != 0)
Azure.IoT Build 10:75c5e0d8537d 814 {
Azure.IoT Build 10:75c5e0d8537d 815 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 816 LogError("Failed to transfer the message properties to the uAMQP message.\r\n");
Azure.IoT Build 10:75c5e0d8537d 817 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 818 }
Azure.IoT Build 10:75c5e0d8537d 819 else
Azure.IoT Build 10:75c5e0d8537d 820 {
Azure.IoT Build 10:75c5e0d8537d 821 result = 0;
Azure.IoT Build 10:75c5e0d8537d 822 }
Azure.IoT Build 10:75c5e0d8537d 823 }
Azure.IoT Build 10:75c5e0d8537d 824
Azure.IoT Build 10:75c5e0d8537d 825 amqpvalue_destroy(uamqp_map);
Azure.IoT Build 10:75c5e0d8537d 826 }
Azure.IoT Build 10:75c5e0d8537d 827 }
Azure.IoT Build 10:75c5e0d8537d 828 else
Azure.IoT Build 10:75c5e0d8537d 829 {
Azure.IoT Build 10:75c5e0d8537d 830 result = 0;
Azure.IoT Build 10:75c5e0d8537d 831 }
Azure.IoT Build 10:75c5e0d8537d 832 }
Azure.IoT Build 10:75c5e0d8537d 833
Azure.IoT Build 10:75c5e0d8537d 834 return result;
Azure.IoT Build 10:75c5e0d8537d 835 }
Azure.IoT Build 10:75c5e0d8537d 836
Azure.IoT Build 7:07bc440836b3 837 static int sendPendingEvents(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 838 {
Azure.IoT Build 7:07bc440836b3 839 int result = RESULT_OK;
Azure.IoT Build 10:75c5e0d8537d 840 IOTHUB_MESSAGE_LIST* message;
Azure.IoT Build 7:07bc440836b3 841
Azure.IoT Build 7:07bc440836b3 842 while ((message = getNextEventToSend(transport_state)) != NULL)
AzureIoTClient 4:57e049bce51e 843 {
Azure.IoT Build 7:07bc440836b3 844 result = RESULT_FAILURE;
Azure.IoT Build 11:62d7b956e76e 845
Azure.IoT Build 7:07bc440836b3 846 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
Azure.IoT Build 10:75c5e0d8537d 847 const unsigned char* messageContent;
Azure.IoT Build 10:75c5e0d8537d 848 size_t messageContentSize;
Azure.IoT Build 12:841a4c36bd36 849 MESSAGE_HANDLE amqp_message = NULL;
Azure.IoT Build 7:07bc440836b3 850 bool is_message_error = false;
Azure.IoT Build 7:07bc440836b3 851
Azure.IoT Build 10:75c5e0d8537d 852 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_086: [IoTHubTransportAMQP_DoWork shall move queued events to an "in-progress" list right before processing them for sending]
Azure.IoT Build 12:841a4c36bd36 853 trackEventInProgress(message, transport_state);
Azure.IoT Build 12:841a4c36bd36 854
Azure.IoT Build 7:07bc440836b3 855 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_087: [If the event contains a message of type IOTHUBMESSAGE_BYTEARRAY, IoTHubTransportAMQP_DoWork shall obtain its char* representation and size using IoTHubMessage_GetByteArray()]
Azure.IoT Build 12:841a4c36bd36 856 if (contentType == IOTHUBMESSAGE_BYTEARRAY &&
Azure.IoT Build 7:07bc440836b3 857 IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &messageContentSize) != IOTHUB_MESSAGE_OK)
AzureIoTClient 4:57e049bce51e 858 {
Azure.IoT Build 7:07bc440836b3 859 LogError("Failed getting the BYTE array representation of the event content to be sent.\r\n");
Azure.IoT Build 7:07bc440836b3 860 is_message_error = true;
Azure.IoT Build 7:07bc440836b3 861 }
Azure.IoT Build 7:07bc440836b3 862 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_089: [If the event contains a message of type IOTHUBMESSAGE_STRING, IoTHubTransportAMQP_DoWork shall obtain its char* representation using IoTHubMessage_GetString()]
Azure.IoT Build 7:07bc440836b3 863 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_090: [If the event contains a message of type IOTHUBMESSAGE_STRING, IoTHubTransportAMQP_DoWork shall obtain the size of its char* representation using strlen()]
Azure.IoT Build 7:07bc440836b3 864 else if (contentType == IOTHUBMESSAGE_STRING &&
Azure.IoT Build 10:75c5e0d8537d 865 ((messageContent = IoTHubMessage_GetString(message->messageHandle)) == NULL))
Azure.IoT Build 7:07bc440836b3 866 {
Azure.IoT Build 7:07bc440836b3 867 LogError("Failed getting the STRING representation of the event content to be sent.\r\n");
Azure.IoT Build 7:07bc440836b3 868 is_message_error = true;
AzureIoTClient 4:57e049bce51e 869 }
Azure.IoT Build 7:07bc440836b3 870 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_092: [If the event contains a message of type IOTHUBMESSAGE_UNKNOWN, IoTHubTransportAMQP_DoWork shall remove the event from the in-progress list and invoke the upper layer callback reporting the error]
Azure.IoT Build 7:07bc440836b3 871 else if (contentType == IOTHUBMESSAGE_UNKNOWN)
AzureIoTClient 4:57e049bce51e 872 {
Azure.IoT Build 7:07bc440836b3 873 LogError("Cannot send events with content type IOTHUBMESSAGE_UNKNOWN.\r\n");
Azure.IoT Build 7:07bc440836b3 874 is_message_error = true;
Azure.IoT Build 7:07bc440836b3 875 }
Azure.IoT Build 10:75c5e0d8537d 876 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_093: [IoTHubTransportAMQP_DoWork shall create an amqp message using message_create() uAMQP API]
Azure.IoT Build 7:07bc440836b3 877 else if ((amqp_message = message_create()) == NULL)
Azure.IoT Build 7:07bc440836b3 878 {
Azure.IoT Build 7:07bc440836b3 879 LogError("Failed allocating the AMQP message for sending the event.\r\n");
AzureIoTClient 4:57e049bce51e 880 }
AzureIoTClient 4:57e049bce51e 881 else
AzureIoTClient 4:57e049bce51e 882 {
Azure.IoT Build 10:75c5e0d8537d 883 BINARY_DATA binary_data;
Azure.IoT Build 10:75c5e0d8537d 884
Azure.IoT Build 10:75c5e0d8537d 885 if (contentType == IOTHUBMESSAGE_STRING)
Azure.IoT Build 10:75c5e0d8537d 886 {
Azure.IoT Build 10:75c5e0d8537d 887 messageContentSize = strlen(messageContent);
Azure.IoT Build 10:75c5e0d8537d 888 }
Azure.IoT Build 10:75c5e0d8537d 889
Azure.IoT Build 10:75c5e0d8537d 890 binary_data.bytes = messageContent;
Azure.IoT Build 10:75c5e0d8537d 891 binary_data.length = messageContentSize;
Azure.IoT Build 11:62d7b956e76e 892
Azure.IoT Build 10:75c5e0d8537d 893 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_095: [IoTHubTransportAMQP_DoWork shall set the AMQP message body using message_add_body_amqp_data() uAMQP API]
Azure.IoT Build 7:07bc440836b3 894 if (message_add_body_amqp_data(amqp_message, binary_data) != RESULT_OK)
AzureIoTClient 4:57e049bce51e 895 {
Azure.IoT Build 7:07bc440836b3 896 LogError("Failed setting the body of the AMQP message.\r\n");
AzureIoTClient 4:57e049bce51e 897 }
Azure.IoT Build 7:07bc440836b3 898 else
AzureIoTClient 4:57e049bce51e 899 {
Azure.IoT Build 10:75c5e0d8537d 900 if (addPropertiesTouAMQPMessage(message->messageHandle, amqp_message) != 0)
Azure.IoT Build 7:07bc440836b3 901 {
Azure.IoT Build 10:75c5e0d8537d 902 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_014: [If any of the APIs fails while building the property map and setting it on the uAMQP message, IoTHubTransportAMQP_DoWork shall notify the failure by invoking the upper layer message send callback with IOTHUB_CLIENT_CONFIRMATION_ERROR.] */
Azure.IoT Build 10:75c5e0d8537d 903 is_message_error = true;
Azure.IoT Build 7:07bc440836b3 904 }
Azure.IoT Build 7:07bc440836b3 905 else
Azure.IoT Build 7:07bc440836b3 906 {
Azure.IoT Build 10:75c5e0d8537d 907 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_097: [IoTHubTransportAMQP_DoWork shall pass the encoded AMQP message to AMQP for sending (along with on_message_send_complete callback) using messagesender_send()]
Azure.IoT Build 12:841a4c36bd36 908 if (messagesender_send(transport_state->message_sender, amqp_message, on_message_send_complete, message) != RESULT_OK)
Azure.IoT Build 10:75c5e0d8537d 909 {
Azure.IoT Build 10:75c5e0d8537d 910 LogError("Failed sending the AMQP message.\r\n");
Azure.IoT Build 10:75c5e0d8537d 911 }
Azure.IoT Build 10:75c5e0d8537d 912 else
Azure.IoT Build 10:75c5e0d8537d 913 {
Azure.IoT Build 10:75c5e0d8537d 914 result = RESULT_OK;
Azure.IoT Build 10:75c5e0d8537d 915 }
Azure.IoT Build 7:07bc440836b3 916 }
AzureIoTClient 4:57e049bce51e 917 }
Azure.IoT Build 7:07bc440836b3 918 }
Azure.IoT Build 7:07bc440836b3 919
Azure.IoT Build 7:07bc440836b3 920 if (amqp_message != NULL)
Azure.IoT Build 7:07bc440836b3 921 {
Azure.IoT Build 7:07bc440836b3 922 // It can be destroyed because AMQP keeps a clone of the message.
Azure.IoT Build 7:07bc440836b3 923 message_destroy(amqp_message);
Azure.IoT Build 7:07bc440836b3 924 }
Azure.IoT Build 7:07bc440836b3 925
Azure.IoT Build 7:07bc440836b3 926 if (result != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 927 {
Azure.IoT Build 12:841a4c36bd36 928 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_088: [If IoTHubMessage_GetByteArray() fails, IoTHubTransportAMQP_DoWork shall remove the event from the in-progress list and invoke the upper layer callback reporting the error]
Azure.IoT Build 12:841a4c36bd36 929 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_091: [If IoTHubMessage_GetString() fails, IoTHubTransportAMQP_DoWork shall remove the event from the in-progress list and invoke the upper layer callback reporting the error]
Azure.IoT Build 12:841a4c36bd36 930 if (is_message_error)
AzureIoTClient 5:8d58d20699dd 931 {
Azure.IoT Build 12:841a4c36bd36 932 on_message_send_complete(message, MESSAGE_SEND_ERROR);
AzureIoTClient 5:8d58d20699dd 933 }
AzureIoTClient 4:57e049bce51e 934 else
AzureIoTClient 4:57e049bce51e 935 {
Azure.IoT Build 12:841a4c36bd36 936 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_111: [If message_create() fails, IoTHubTransportAMQP_DoWork notify the failure, roll back the event to waitToSent list and return]
Azure.IoT Build 12:841a4c36bd36 937 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_112: [If message_add_body_amqp_data() fails, IoTHubTransportAMQP_DoWork notify the failure, roll back the event to waitToSent list and return]
Azure.IoT Build 12:841a4c36bd36 938 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_113: [If messagesender_send() fails, IoTHubTransportAMQP_DoWork notify the failure, roll back the event to waitToSent list and return]
Azure.IoT Build 12:841a4c36bd36 939 rollEventBackToWaitList(message, transport_state);
Azure.IoT Build 12:841a4c36bd36 940 break;
AzureIoTClient 4:57e049bce51e 941 }
AzureIoTClient 4:57e049bce51e 942 }
AzureIoTClient 4:57e049bce51e 943 }
Azure.IoT Build 7:07bc440836b3 944
Azure.IoT Build 7:07bc440836b3 945 return result;
Azure.IoT Build 7:07bc440836b3 946 }
Azure.IoT Build 7:07bc440836b3 947
Azure.IoT Build 7:07bc440836b3 948 static bool isSasTokenRefreshRequired(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 949 {
Azure.IoT Build 7:07bc440836b3 950 return ((getSecondsSinceEpoch() - transport_state->current_sas_token_create_time) >= (transport_state->sas_token_refresh_time / 1000)) ? true : false;
Azure.IoT Build 7:07bc440836b3 951 }
Azure.IoT Build 7:07bc440836b3 952
Azure.IoT Build 7:07bc440836b3 953 static void prepareForConnectionRetry(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 954 {
Azure.IoT Build 7:07bc440836b3 955 destroyConnection(transport_state);
Azure.IoT Build 7:07bc440836b3 956 rollEventsBackToWaitList(transport_state);
AzureIoTClient 4:57e049bce51e 957 }
AzureIoTClient 4:57e049bce51e 958
Azure.IoT Build 7:07bc440836b3 959
Azure.IoT Build 7:07bc440836b3 960 // API functions
Azure.IoT Build 7:07bc440836b3 961
Azure.IoT Build 11:62d7b956e76e 962 static TRANSPORT_LL_HANDLE IoTHubTransportAMQP_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 4:57e049bce51e 963 {
Azure.IoT Build 7:07bc440836b3 964 AMQP_TRANSPORT_INSTANCE* transport_state = NULL;
Azure.IoT Build 7:07bc440836b3 965 bool cleanup_required = false;
Azure.IoT Build 10:75c5e0d8537d 966 size_t deviceIdLength;
AzureIoTClient 4:57e049bce51e 967
Azure.IoT Build 7:07bc440836b3 968 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_005: [If parameter config (or its fields) is NULL then IoTHubTransportAMQP_Create shall fail and return NULL.]
Azure.IoT Build 7:07bc440836b3 969 if (config == NULL || config->upperConfig == NULL || config->waitingToSend == NULL)
Azure.IoT Build 7:07bc440836b3 970 {
Azure.IoT Build 7:07bc440836b3 971 LogError("IoTHub AMQP client transport null configuration parameter.\r\n");
Azure.IoT Build 7:07bc440836b3 972 }
Azure.IoT Build 7:07bc440836b3 973 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_006: [IoTHubTransportAMQP_Create shall fail and return NULL if any fields of the config structure are NULL.]
Azure.IoT Build 7:07bc440836b3 974 else if (config->upperConfig->protocol == NULL)
Azure.IoT Build 7:07bc440836b3 975 {
Azure.IoT Build 7:07bc440836b3 976 LogError("Invalid configuration (NULL protocol detected)\r\n");
Azure.IoT Build 7:07bc440836b3 977 }
Azure.IoT Build 7:07bc440836b3 978 else if (config->upperConfig->deviceId == NULL)
Azure.IoT Build 7:07bc440836b3 979 {
Azure.IoT Build 7:07bc440836b3 980 LogError("Invalid configuration (NULL deviceId detected)\r\n");
Azure.IoT Build 7:07bc440836b3 981 }
Azure.IoT Build 7:07bc440836b3 982 else if (config->upperConfig->deviceKey == NULL)
Azure.IoT Build 7:07bc440836b3 983 {
Azure.IoT Build 7:07bc440836b3 984 LogError("Invalid configuration (NULL deviceKey detected)\r\n");
Azure.IoT Build 7:07bc440836b3 985 }
Azure.IoT Build 7:07bc440836b3 986 else if (config->upperConfig->iotHubName == NULL)
Azure.IoT Build 7:07bc440836b3 987 {
Azure.IoT Build 7:07bc440836b3 988 LogError("Invalid configuration (NULL iotHubName detected)\r\n");
AzureIoTClient 4:57e049bce51e 989 }
Azure.IoT Build 7:07bc440836b3 990 else if (config->upperConfig->iotHubSuffix == NULL)
Azure.IoT Build 7:07bc440836b3 991 {
Azure.IoT Build 7:07bc440836b3 992 LogError("Invalid configuration (NULL iotHubSuffix detected)\r\n");
Azure.IoT Build 7:07bc440836b3 993 }
Azure.IoT Build 7:07bc440836b3 994 else if (!config->waitingToSend)
AzureIoTClient 4:57e049bce51e 995 {
Azure.IoT Build 7:07bc440836b3 996 LogError("Invalid configuration (NULL waitingToSend list detected)\r\n");
Azure.IoT Build 7:07bc440836b3 997 }
Azure.IoT Build 7:07bc440836b3 998 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_008: [IoTHubTransportAMQP_Create shall fail and return NULL if any config field of type string is zero length.]
Azure.IoT Build 7:07bc440836b3 999 else if ((deviceIdLength = strlen(config->upperConfig->deviceId)) == 0 ||
Azure.IoT Build 7:07bc440836b3 1000 (strlen(config->upperConfig->deviceKey) == 0) ||
Azure.IoT Build 7:07bc440836b3 1001 (strlen(config->upperConfig->iotHubName) == 0) ||
Azure.IoT Build 7:07bc440836b3 1002 (strlen(config->upperConfig->iotHubSuffix) == 0))
Azure.IoT Build 7:07bc440836b3 1003 {
Azure.IoT Build 7:07bc440836b3 1004 LogError("Zero-length config parameter (deviceId, deviceKey, iotHubName or iotHubSuffix)\r\n");
Azure.IoT Build 7:07bc440836b3 1005 }
Azure.IoT Build 7:07bc440836b3 1006 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_007: [IoTHubTransportAMQP_Create shall fail and return NULL if the deviceId length is greater than 128.]
Azure.IoT Build 7:07bc440836b3 1007 else if (deviceIdLength > 128U)
Azure.IoT Build 7:07bc440836b3 1008 {
Azure.IoT Build 7:07bc440836b3 1009 LogError("deviceId is too long\r\n");
Azure.IoT Build 7:07bc440836b3 1010 }
Azure.IoT Build 7:07bc440836b3 1011 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_134: [IoTHubTransportAMQP_Create shall fail and return NULL if the combined length of config->iotHubName and config->iotHubSuffix exceeds 254 bytes (RFC1035)]
Azure.IoT Build 7:07bc440836b3 1012 else if ((strlen(config->upperConfig->iotHubName) + strlen(config->upperConfig->iotHubSuffix)) > (RFC1035_MAX_FQDN_LENGTH - 1))
Azure.IoT Build 7:07bc440836b3 1013 {
Azure.IoT Build 7:07bc440836b3 1014 LogError("The lengths of iotHubName and iotHubSuffix together exceed the maximum FQDN length allowed (RFC 1035)\r\n");
AzureIoTClient 4:57e049bce51e 1015 }
AzureIoTClient 4:57e049bce51e 1016 else
AzureIoTClient 4:57e049bce51e 1017 {
Azure.IoT Build 10:75c5e0d8537d 1018 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_009: [IoTHubTransportAMQP_Create shall fail and return NULL if memory allocation of the transport's internal state structure fails.]
Azure.IoT Build 7:07bc440836b3 1019 transport_state = (AMQP_TRANSPORT_INSTANCE*)malloc(sizeof(AMQP_TRANSPORT_INSTANCE));
AzureIoTClient 4:57e049bce51e 1020
Azure.IoT Build 7:07bc440836b3 1021 if (transport_state == NULL)
AzureIoTClient 4:57e049bce51e 1022 {
AzureIoTClient 4:57e049bce51e 1023 LogError("Could not allocate AMQP transport state\r\n");
AzureIoTClient 4:57e049bce51e 1024 }
AzureIoTClient 4:57e049bce51e 1025 else
AzureIoTClient 4:57e049bce51e 1026 {
Azure.IoT Build 7:07bc440836b3 1027 transport_state->iotHubHostFqdn = NULL;
Azure.IoT Build 7:07bc440836b3 1028 transport_state->iotHubPort = DEFAULT_IOTHUB_AMQP_PORT;
Azure.IoT Build 7:07bc440836b3 1029 transport_state->deviceKey = NULL;
Azure.IoT Build 7:07bc440836b3 1030 transport_state->devicesPath = NULL;
Azure.IoT Build 7:07bc440836b3 1031 transport_state->messageReceiveAddress = NULL;
Azure.IoT Build 7:07bc440836b3 1032 transport_state->sasTokenKeyName = NULL;
Azure.IoT Build 7:07bc440836b3 1033 transport_state->targetAddress = NULL;
Azure.IoT Build 7:07bc440836b3 1034 transport_state->waitingToSend = config->waitingToSend;
Azure.IoT Build 7:07bc440836b3 1035
Azure.IoT Build 7:07bc440836b3 1036 transport_state->cbs = NULL;
Azure.IoT Build 7:07bc440836b3 1037 transport_state->cbs_state = CBS_STATE_IDLE;
Azure.IoT Build 7:07bc440836b3 1038 transport_state->current_sas_token_create_time = 0;
Azure.IoT Build 7:07bc440836b3 1039 transport_state->connection = NULL;
Azure.IoT Build 7:07bc440836b3 1040 transport_state->connection_state = AMQP_MANAGEMENT_STATE_IDLE;
Azure.IoT Build 7:07bc440836b3 1041 transport_state->connection_establish_time = 0;
Azure.IoT Build 7:07bc440836b3 1042 transport_state->iothub_client_handle = NULL;
Azure.IoT Build 7:07bc440836b3 1043 transport_state->receive_messages = false;
Azure.IoT Build 7:07bc440836b3 1044 transport_state->message_receiver = NULL;
Azure.IoT Build 7:07bc440836b3 1045 transport_state->message_sender = NULL;
Azure.IoT Build 7:07bc440836b3 1046 transport_state->receiver_link = NULL;
Azure.IoT Build 7:07bc440836b3 1047 transport_state->sasl_io = NULL;
Azure.IoT Build 7:07bc440836b3 1048 transport_state->sasl_mechanism = NULL;
Azure.IoT Build 7:07bc440836b3 1049 transport_state->sender_link = NULL;
Azure.IoT Build 7:07bc440836b3 1050 transport_state->session = NULL;
Azure.IoT Build 7:07bc440836b3 1051 transport_state->tls_io = NULL;
Azure.IoT Build 10:75c5e0d8537d 1052 transport_state->tls_io_transport_provider = getTLSIOTransport;
Azure.IoT Build 10:75c5e0d8537d 1053 transport_state->isRegistered = false;
Azure.IoT Build 7:07bc440836b3 1054
Azure.IoT Build 7:07bc440836b3 1055 transport_state->waitingToSend = config->waitingToSend;
Azure.IoT Build 7:07bc440836b3 1056 DList_InitializeListHead(&transport_state->inProgress);
Azure.IoT Build 7:07bc440836b3 1057
Azure.IoT Build 7:07bc440836b3 1058 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_010: [IoTHubTransportAMQP_Create shall create an immutable string, referred to as iotHubHostFqdn, from the following pieces: config->iotHubName + "." + config->iotHubSuffix.]
Azure.IoT Build 7:07bc440836b3 1059 if ((transport_state->iotHubHostFqdn = concat3Params(config->upperConfig->iotHubName, ".", config->upperConfig->iotHubSuffix)) == NULL)
AzureIoTClient 4:57e049bce51e 1060 {
Azure.IoT Build 7:07bc440836b3 1061 LogError("Failed to set transport_state->iotHubHostFqdn.\r\n");
Azure.IoT Build 7:07bc440836b3 1062 cleanup_required = true;
AzureIoTClient 4:57e049bce51e 1063 }
Azure.IoT Build 10:75c5e0d8537d 1064 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_012: [IoTHubTransportAMQP_Create shall create an immutable string, referred to as devicesPath, from the following parts: host_fqdn + "/devices/" + deviceId.]
Azure.IoT Build 7:07bc440836b3 1065 else if ((transport_state->devicesPath = concat3Params(STRING_c_str(transport_state->iotHubHostFqdn), "/devices/", config->upperConfig->deviceId)) == NULL)
AzureIoTClient 4:57e049bce51e 1066 {
Azure.IoT Build 7:07bc440836b3 1067 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_013: [If creating devicesPath fails for any reason then IoTHubTransportAMQP_Create shall fail and return NULL.]
Azure.IoT Build 7:07bc440836b3 1068 LogError("Failed to allocate transport_state->devicesPath.\r\n");
Azure.IoT Build 7:07bc440836b3 1069 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1070 }
Azure.IoT Build 7:07bc440836b3 1071 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_014: [IoTHubTransportAMQP_Create shall create an immutable string, referred to as targetAddress, from the following parts: "amqps://" + devicesPath + "/messages/events".]
Azure.IoT Build 7:07bc440836b3 1072 else if ((transport_state->targetAddress = concat3Params("amqps://", STRING_c_str(transport_state->devicesPath), "/messages/events")) == NULL)
Azure.IoT Build 7:07bc440836b3 1073 {
Azure.IoT Build 7:07bc440836b3 1074 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_015: [If creating the targetAddress fails for any reason then IoTHubTransportAMQP_Create shall fail and return NULL.]
Azure.IoT Build 7:07bc440836b3 1075 LogError("Failed to allocate transport_state->targetAddress.\r\n");
Azure.IoT Build 7:07bc440836b3 1076 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1077 }
Azure.IoT Build 7:07bc440836b3 1078 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_053: [IoTHubTransportAMQP_Create shall define the source address for receiving messages as "amqps://" + devicesPath + "/messages/devicebound", stored in the transport handle as messageReceiveAddress]
Azure.IoT Build 7:07bc440836b3 1079 else if ((transport_state->messageReceiveAddress = concat3Params("amqps://", STRING_c_str(transport_state->devicesPath), "/messages/devicebound")) == NULL)
Azure.IoT Build 7:07bc440836b3 1080 {
Azure.IoT Build 7:07bc440836b3 1081 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_054: [If creating the messageReceiveAddress fails for any reason then IoTHubTransportAMQP_Create shall fail and return NULL.]
Azure.IoT Build 7:07bc440836b3 1082 LogError("Failed to allocate transport_state->messageReceiveAddress.\r\n");
Azure.IoT Build 7:07bc440836b3 1083 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1084 }
Azure.IoT Build 7:07bc440836b3 1085 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_016: [IoTHubTransportAMQP_Create shall initialize handle->sasTokenKeyName with a zero-length STRING_HANDLE instance.]
Azure.IoT Build 7:07bc440836b3 1086 else if ((transport_state->sasTokenKeyName = STRING_new()) == NULL)
Azure.IoT Build 7:07bc440836b3 1087 {
Azure.IoT Build 7:07bc440836b3 1088 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_017: [If IoTHubTransportAMQP_Create fails to initialize handle->sasTokenKeyName with a zero-length STRING the function shall fail and return NULL.]
Azure.IoT Build 7:07bc440836b3 1089 LogError("Failed to allocate transport_state->sasTokenKeyName.\r\n");
Azure.IoT Build 7:07bc440836b3 1090 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1091 }
Azure.IoT Build 10:75c5e0d8537d 1092 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_018: [IoTHubTransportAMQP_Create shall store a copy of config->deviceKey (passed by upper layer) into the transport's own deviceKey field]
Azure.IoT Build 7:07bc440836b3 1093 else if ((transport_state->deviceKey = STRING_new()) == NULL ||
Azure.IoT Build 11:62d7b956e76e 1094 STRING_copy(transport_state->deviceKey, config->upperConfig->deviceKey) != 0)
Azure.IoT Build 7:07bc440836b3 1095 {
Azure.IoT Build 7:07bc440836b3 1096 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_019: [If IoTHubTransportAMQP_Create fails to copy config->deviceKey, the function shall fail and return NULL.]
Azure.IoT Build 7:07bc440836b3 1097 LogError("Failed to allocate transport_state->deviceKey.\r\n");
Azure.IoT Build 7:07bc440836b3 1098 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1099 }
Azure.IoT Build 11:62d7b956e76e 1100 else
Azure.IoT Build 7:07bc440836b3 1101 {
Azure.IoT Build 7:07bc440836b3 1102 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_020: [IoTHubTransportAMQP_Create shall set parameter transport_state->sas_token_lifetime with the default value of 3600000 (milliseconds).]
Azure.IoT Build 7:07bc440836b3 1103 transport_state->sas_token_lifetime = DEFAULT_SAS_TOKEN_LIFETIME_MS;
Azure.IoT Build 7:07bc440836b3 1104
Azure.IoT Build 7:07bc440836b3 1105 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_128: [IoTHubTransportAMQP_Create shall set parameter transport_state->sas_token_refresh_time with the default value of sas_token_lifetime/2 (milliseconds).]
Azure.IoT Build 7:07bc440836b3 1106 transport_state->sas_token_refresh_time = transport_state->sas_token_lifetime / 2;
Azure.IoT Build 7:07bc440836b3 1107
Azure.IoT Build 7:07bc440836b3 1108 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_129 : [IoTHubTransportAMQP_Create shall set parameter transport_state->cbs_request_timeout with the default value of 30000 (milliseconds).]
Azure.IoT Build 7:07bc440836b3 1109 transport_state->cbs_request_timeout = DEFAULT_CBS_REQUEST_TIMEOUT_MS;
AzureIoTClient 4:57e049bce51e 1110 }
AzureIoTClient 4:57e049bce51e 1111 }
AzureIoTClient 4:57e049bce51e 1112 }
Azure.IoT Build 7:07bc440836b3 1113
Azure.IoT Build 7:07bc440836b3 1114 if (cleanup_required)
Azure.IoT Build 7:07bc440836b3 1115 {
Azure.IoT Build 7:07bc440836b3 1116 if (transport_state->deviceKey != NULL)
Azure.IoT Build 7:07bc440836b3 1117 STRING_delete(transport_state->deviceKey);
Azure.IoT Build 7:07bc440836b3 1118 if (transport_state->sasTokenKeyName != NULL)
Azure.IoT Build 7:07bc440836b3 1119 STRING_delete(transport_state->sasTokenKeyName);
Azure.IoT Build 7:07bc440836b3 1120 if (transport_state->targetAddress != NULL)
Azure.IoT Build 7:07bc440836b3 1121 STRING_delete(transport_state->targetAddress);
Azure.IoT Build 7:07bc440836b3 1122 if (transport_state->messageReceiveAddress != NULL)
Azure.IoT Build 7:07bc440836b3 1123 STRING_delete(transport_state->messageReceiveAddress);
Azure.IoT Build 7:07bc440836b3 1124 if (transport_state->devicesPath != NULL)
Azure.IoT Build 7:07bc440836b3 1125 STRING_delete(transport_state->devicesPath);
Azure.IoT Build 7:07bc440836b3 1126 if (transport_state->iotHubHostFqdn != NULL)
Azure.IoT Build 7:07bc440836b3 1127 STRING_delete(transport_state->iotHubHostFqdn);
Azure.IoT Build 7:07bc440836b3 1128
Azure.IoT Build 7:07bc440836b3 1129 free(transport_state);
Azure.IoT Build 7:07bc440836b3 1130 transport_state = NULL;
Azure.IoT Build 7:07bc440836b3 1131 }
Azure.IoT Build 7:07bc440836b3 1132
Azure.IoT Build 7:07bc440836b3 1133 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_023: [If IoTHubTransportAMQP_Create succeeds it shall return a non-NULL pointer to the structure that represents the transport.]
Azure.IoT Build 7:07bc440836b3 1134 return transport_state;
AzureIoTClient 4:57e049bce51e 1135 }
AzureIoTClient 4:57e049bce51e 1136
Azure.IoT Build 11:62d7b956e76e 1137 static void IoTHubTransportAMQP_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 4:57e049bce51e 1138 {
Azure.IoT Build 7:07bc440836b3 1139 if (handle != NULL)
Azure.IoT Build 7:07bc440836b3 1140 {
Azure.IoT Build 7:07bc440836b3 1141 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 11:62d7b956e76e 1142
Azure.IoT Build 7:07bc440836b3 1143 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_024: [IoTHubTransportAMQP_Destroy shall destroy the AMQP message_sender.]
Azure.IoT Build 7:07bc440836b3 1144 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_029 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP link.]
Azure.IoT Build 7:07bc440836b3 1145 destroyEventSender(transport_state);
Azure.IoT Build 7:07bc440836b3 1146
Azure.IoT Build 7:07bc440836b3 1147 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_025: [IoTHubTransportAMQP_Destroy shall destroy the AMQP message_receiver.]
Azure.IoT Build 7:07bc440836b3 1148 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_029 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP link.]
Azure.IoT Build 7:07bc440836b3 1149 destroyMessageReceiver(transport_state);
Azure.IoT Build 7:07bc440836b3 1150
Azure.IoT Build 7:07bc440836b3 1151 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_027 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP cbs instance]
Azure.IoT Build 7:07bc440836b3 1152 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_030 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP session.]
Azure.IoT Build 7:07bc440836b3 1153 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_031 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP connection.]
Azure.IoT Build 7:07bc440836b3 1154 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_032 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP SASL I / O transport.]
Azure.IoT Build 7:07bc440836b3 1155 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_033 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP SASL mechanism.]
Azure.IoT Build 7:07bc440836b3 1156 destroyConnection(transport_state);
Azure.IoT Build 7:07bc440836b3 1157
Azure.IoT Build 7:07bc440836b3 1158 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_035 : [IoTHubTransportAMQP_Destroy shall delete its internally - set parameters(deviceKey, targetAddress, devicesPath, sasTokenKeyName).]
Azure.IoT Build 7:07bc440836b3 1159 STRING_delete(transport_state->targetAddress);
Azure.IoT Build 7:07bc440836b3 1160 STRING_delete(transport_state->messageReceiveAddress);
Azure.IoT Build 7:07bc440836b3 1161 STRING_delete(transport_state->sasTokenKeyName);
Azure.IoT Build 7:07bc440836b3 1162 STRING_delete(transport_state->deviceKey);
Azure.IoT Build 7:07bc440836b3 1163 STRING_delete(transport_state->devicesPath);
Azure.IoT Build 7:07bc440836b3 1164 STRING_delete(transport_state->iotHubHostFqdn);
Azure.IoT Build 7:07bc440836b3 1165
Azure.IoT Build 7:07bc440836b3 1166 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_036 : [IoTHubTransportAMQP_Destroy shall return the remaining items in inProgress to waitingToSend list.]
Azure.IoT Build 7:07bc440836b3 1167 rollEventsBackToWaitList(transport_state);
Azure.IoT Build 7:07bc440836b3 1168
Azure.IoT Build 7:07bc440836b3 1169 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_150: [IoTHubTransportAMQP_Destroy shall destroy the transport instance]
Azure.IoT Build 7:07bc440836b3 1170 free(transport_state);
Azure.IoT Build 7:07bc440836b3 1171 }
Azure.IoT Build 7:07bc440836b3 1172 }
Azure.IoT Build 7:07bc440836b3 1173
Azure.IoT Build 11:62d7b956e76e 1174 static void IoTHubTransportAMQP_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
Azure.IoT Build 7:07bc440836b3 1175 {
Azure.IoT Build 7:07bc440836b3 1176 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_051: [IoTHubTransportAMQP_DoWork shall fail and return immediately if the transport handle parameter is NULL]
AzureIoTClient 4:57e049bce51e 1177 if (handle == NULL)
AzureIoTClient 4:57e049bce51e 1178 {
Azure.IoT Build 7:07bc440836b3 1179 LogError("IoTHubClient DoWork failed: transport handle parameter is NULL.\r\n");
Azure.IoT Build 7:07bc440836b3 1180 }
Azure.IoT Build 7:07bc440836b3 1181 // Codes_[IoTHubTransportAMQP_DoWork shall fail and return immediately if the client handle parameter is NULL]
Azure.IoT Build 7:07bc440836b3 1182 else if (iotHubClientHandle == NULL)
Azure.IoT Build 7:07bc440836b3 1183 {
Azure.IoT Build 7:07bc440836b3 1184 LogError("IoTHubClient DoWork failed: client handle parameter is NULL.\r\n");
AzureIoTClient 4:57e049bce51e 1185 }
AzureIoTClient 4:57e049bce51e 1186 else
AzureIoTClient 4:57e049bce51e 1187 {
Azure.IoT Build 7:07bc440836b3 1188 bool trigger_connection_retry = false;
Azure.IoT Build 7:07bc440836b3 1189 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 7:07bc440836b3 1190
Azure.IoT Build 7:07bc440836b3 1191 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_147: [IoTHubTransportAMQP_DoWork shall save a reference to the client handle in transport_state->iothub_client_handle]
Azure.IoT Build 7:07bc440836b3 1192 transport_state->iothub_client_handle = iotHubClientHandle;
Azure.IoT Build 7:07bc440836b3 1193
Azure.IoT Build 7:07bc440836b3 1194 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_055: [If the transport handle has a NULL connection, IoTHubTransportAMQP_DoWork shall instantiate and initialize the AMQP components and establish the connection]
Azure.IoT Build 7:07bc440836b3 1195 if (transport_state->connection == NULL &&
Azure.IoT Build 7:07bc440836b3 1196 establishConnection(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1197 {
Azure.IoT Build 7:07bc440836b3 1198 LogError("AMQP transport failed to establish connection with service.\r\n");
Azure.IoT Build 7:07bc440836b3 1199 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1200 }
Azure.IoT Build 7:07bc440836b3 1201 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_081: [IoTHubTransportAMQP_DoWork shall put a new SAS token if the one has not been out already, or if the previous one failed to be put due to timeout of cbs_put_token().]
Azure.IoT Build 10:75c5e0d8537d 1202 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_082: [IoTHubTransportAMQP_DoWork shall refresh the SAS token if the current token has been used for more than 'sas_token_refresh_time' milliseconds]
Azure.IoT Build 7:07bc440836b3 1203 else if ((transport_state->cbs_state == CBS_STATE_IDLE || isSasTokenRefreshRequired(transport_state)) &&
Azure.IoT Build 11:62d7b956e76e 1204 startAuthentication(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1205 {
Azure.IoT Build 7:07bc440836b3 1206 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_146: [If the SAS token fails to be sent to CBS (cbs_put_token), IoTHubTransportAMQP_DoWork shall fail and exit immediately]
Azure.IoT Build 7:07bc440836b3 1207 LogError("Failed authenticating AMQP connection within CBS.\r\n");
Azure.IoT Build 7:07bc440836b3 1208 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1209 }
Azure.IoT Build 10:75c5e0d8537d 1210 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_084: [IoTHubTransportAMQP_DoWork shall wait for 'cbs_request_timeout' milliseconds for the cbs_put_token() to complete before failing due to timeout]
Azure.IoT Build 11:62d7b956e76e 1211 else if (transport_state->cbs_state == CBS_STATE_AUTH_IN_PROGRESS &&
Azure.IoT Build 11:62d7b956e76e 1212 verifyAuthenticationTimeout(transport_state) == RESULT_TIMEOUT)
Azure.IoT Build 7:07bc440836b3 1213 {
Azure.IoT Build 7:07bc440836b3 1214 LogError("AMQP transport authentication timed out.\r\n");
Azure.IoT Build 7:07bc440836b3 1215 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1216 }
Azure.IoT Build 7:07bc440836b3 1217 else if (transport_state->cbs_state == CBS_STATE_AUTHENTICATED)
Azure.IoT Build 7:07bc440836b3 1218 {
Azure.IoT Build 7:07bc440836b3 1219 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_121: [IoTHubTransportAMQP_DoWork shall create an AMQP message_receiver if transport_state->message_receive is NULL and transport_state->receive_messages is true]
Azure.IoT Build 7:07bc440836b3 1220 if (transport_state->receive_messages == true &&
Azure.IoT Build 7:07bc440836b3 1221 transport_state->message_receiver == NULL &&
Azure.IoT Build 7:07bc440836b3 1222 createMessageReceiver(transport_state, iotHubClientHandle) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1223 {
Azure.IoT Build 7:07bc440836b3 1224 LogError("Failed creating AMQP transport message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 1225 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1226 }
Azure.IoT Build 7:07bc440836b3 1227 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_122: [IoTHubTransportAMQP_DoWork shall destroy the transport_state->message_receiver (and set it to NULL) if it exists and transport_state->receive_messages is false]
Azure.IoT Build 7:07bc440836b3 1228 else if (transport_state->receive_messages == false &&
Azure.IoT Build 7:07bc440836b3 1229 transport_state->message_receiver != NULL &&
Azure.IoT Build 7:07bc440836b3 1230 destroyMessageReceiver(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1231 {
Azure.IoT Build 7:07bc440836b3 1232 LogError("Failed destroying AMQP transport message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 1233 }
Azure.IoT Build 7:07bc440836b3 1234
Azure.IoT Build 7:07bc440836b3 1235 if (transport_state->message_sender == NULL &&
Azure.IoT Build 7:07bc440836b3 1236 createEventSender(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1237 {
Azure.IoT Build 7:07bc440836b3 1238 LogError("Failed creating AMQP transport event sender.\r\n");
Azure.IoT Build 7:07bc440836b3 1239 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1240 }
Azure.IoT Build 7:07bc440836b3 1241 else if (sendPendingEvents(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1242 {
Azure.IoT Build 7:07bc440836b3 1243 LogError("AMQP transport failed sending events.\r\n");
Azure.IoT Build 7:07bc440836b3 1244 }
Azure.IoT Build 7:07bc440836b3 1245 }
Azure.IoT Build 7:07bc440836b3 1246
Azure.IoT Build 7:07bc440836b3 1247 if (trigger_connection_retry)
Azure.IoT Build 7:07bc440836b3 1248 {
Azure.IoT Build 7:07bc440836b3 1249 prepareForConnectionRetry(transport_state);
Azure.IoT Build 7:07bc440836b3 1250 }
Azure.IoT Build 7:07bc440836b3 1251 else
Azure.IoT Build 7:07bc440836b3 1252 {
Azure.IoT Build 7:07bc440836b3 1253 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_103: [IoTHubTransportAMQP_DoWork shall invoke connection_dowork() on AMQP for triggering sending and receiving messages]
Azure.IoT Build 7:07bc440836b3 1254 connection_dowork(transport_state->connection);
Azure.IoT Build 7:07bc440836b3 1255 }
Azure.IoT Build 7:07bc440836b3 1256 }
Azure.IoT Build 7:07bc440836b3 1257 }
Azure.IoT Build 7:07bc440836b3 1258
Azure.IoT Build 10:75c5e0d8537d 1259 static int IoTHubTransportAMQP_Subscribe(IOTHUB_DEVICE_HANDLE handle)
Azure.IoT Build 7:07bc440836b3 1260 {
Azure.IoT Build 7:07bc440836b3 1261 int result;
Azure.IoT Build 11:62d7b956e76e 1262
Azure.IoT Build 7:07bc440836b3 1263 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_037: [IoTHubTransportAMQP_Subscribe shall fail if the transport handle parameter received is NULL.]
Azure.IoT Build 7:07bc440836b3 1264 if (handle == NULL)
Azure.IoT Build 7:07bc440836b3 1265 {
Azure.IoT Build 7:07bc440836b3 1266 LogError("Invalid handle to IoTHubClient AMQP transport.\r\n");
Azure.IoT Build 7:07bc440836b3 1267 result = __LINE__;
Azure.IoT Build 7:07bc440836b3 1268 }
Azure.IoT Build 7:07bc440836b3 1269 else
Azure.IoT Build 7:07bc440836b3 1270 {
Azure.IoT Build 7:07bc440836b3 1271 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_038: [IoTHubTransportAMQP_Subscribe shall set transport_handle->receive_messages to true and return success code.]
Azure.IoT Build 7:07bc440836b3 1272 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 7:07bc440836b3 1273 transport_state->receive_messages = true;
AzureIoTClient 4:57e049bce51e 1274 result = 0;
AzureIoTClient 4:57e049bce51e 1275 }
Azure.IoT Build 7:07bc440836b3 1276
AzureIoTClient 4:57e049bce51e 1277 return result;
AzureIoTClient 4:57e049bce51e 1278 }
AzureIoTClient 4:57e049bce51e 1279
Azure.IoT Build 10:75c5e0d8537d 1280 static void IoTHubTransportAMQP_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 4:57e049bce51e 1281 {
Azure.IoT Build 7:07bc440836b3 1282 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_039: [IoTHubTransportAMQP_Unsubscribe shall fail if the transport handle parameter received is NULL.]
Azure.IoT Build 7:07bc440836b3 1283 if (handle == NULL)
AzureIoTClient 4:57e049bce51e 1284 {
Azure.IoT Build 7:07bc440836b3 1285 LogError("Invalid handle to IoTHubClient AMQP transport.\r\n");
Azure.IoT Build 7:07bc440836b3 1286 }
Azure.IoT Build 7:07bc440836b3 1287 else
Azure.IoT Build 7:07bc440836b3 1288 {
Azure.IoT Build 7:07bc440836b3 1289 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_040: [IoTHubTransportAMQP_Unsubscribe shall set transport_handle->receive_messages to false and return success code.]
Azure.IoT Build 7:07bc440836b3 1290 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 7:07bc440836b3 1291 transport_state->receive_messages = false;
AzureIoTClient 4:57e049bce51e 1292 }
AzureIoTClient 4:57e049bce51e 1293 }
AzureIoTClient 4:57e049bce51e 1294
Azure.IoT Build 10:75c5e0d8537d 1295 static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 4:57e049bce51e 1296 {
AzureIoTClient 4:57e049bce51e 1297 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 4:57e049bce51e 1298
Azure.IoT Build 7:07bc440836b3 1299 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_041: [IoTHubTransportAMQP_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter.]
AzureIoTClient 4:57e049bce51e 1300 if (handle == NULL)
AzureIoTClient 4:57e049bce51e 1301 {
AzureIoTClient 4:57e049bce51e 1302 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 4:57e049bce51e 1303 LogError("Invalid handle to IoTHubClient AMQP transport instance.\r\n");
AzureIoTClient 4:57e049bce51e 1304 }
AzureIoTClient 4:57e049bce51e 1305 else if (iotHubClientStatus == NULL)
AzureIoTClient 4:57e049bce51e 1306 {
AzureIoTClient 4:57e049bce51e 1307 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 4:57e049bce51e 1308 LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.\r\n");
AzureIoTClient 4:57e049bce51e 1309 }
AzureIoTClient 4:57e049bce51e 1310 else
AzureIoTClient 4:57e049bce51e 1311 {
Azure.IoT Build 7:07bc440836b3 1312 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
AzureIoTClient 4:57e049bce51e 1313
Azure.IoT Build 7:07bc440836b3 1314 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_043: [IoTHubTransportAMQP_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently event items to be sent or being sent.]
Azure.IoT Build 7:07bc440836b3 1315 if (!DList_IsListEmpty(transport_state->waitingToSend) || !DList_IsListEmpty(&(transport_state->inProgress)))
AzureIoTClient 4:57e049bce51e 1316 {
AzureIoTClient 4:57e049bce51e 1317 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 4:57e049bce51e 1318 }
Azure.IoT Build 7:07bc440836b3 1319 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_042: [IoTHubTransportAMQP_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there are currently no event items to be sent or being sent.]
AzureIoTClient 4:57e049bce51e 1320 else
AzureIoTClient 4:57e049bce51e 1321 {
AzureIoTClient 4:57e049bce51e 1322 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 4:57e049bce51e 1323 }
AzureIoTClient 4:57e049bce51e 1324
AzureIoTClient 4:57e049bce51e 1325 result = IOTHUB_CLIENT_OK;
AzureIoTClient 4:57e049bce51e 1326 }
AzureIoTClient 4:57e049bce51e 1327
AzureIoTClient 4:57e049bce51e 1328 return result;
AzureIoTClient 4:57e049bce51e 1329 }
AzureIoTClient 4:57e049bce51e 1330
Azure.IoT Build 11:62d7b956e76e 1331 static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient 4:57e049bce51e 1332 {
AzureIoTClient 4:57e049bce51e 1333 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 4:57e049bce51e 1334
Azure.IoT Build 7:07bc440836b3 1335 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_044: [If handle parameter is NULL then IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]
Azure.IoT Build 7:07bc440836b3 1336 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_045: [If parameter optionName is NULL then IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]
Azure.IoT Build 7:07bc440836b3 1337 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_046: [If parameter value is NULL then IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]
AzureIoTClient 5:8d58d20699dd 1338 if (
AzureIoTClient 5:8d58d20699dd 1339 (handle == NULL) ||
AzureIoTClient 5:8d58d20699dd 1340 (option == NULL) ||
AzureIoTClient 5:8d58d20699dd 1341 (value == NULL)
AzureIoTClient 5:8d58d20699dd 1342 )
AzureIoTClient 5:8d58d20699dd 1343 {
AzureIoTClient 5:8d58d20699dd 1344 result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build 7:07bc440836b3 1345 LogError("Invalid parameter (NULL) passed to AMQP transport SetOption()\r\n");
AzureIoTClient 5:8d58d20699dd 1346 }
AzureIoTClient 5:8d58d20699dd 1347 else
AzureIoTClient 5:8d58d20699dd 1348 {
Azure.IoT Build 7:07bc440836b3 1349 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
AzureIoTClient 4:57e049bce51e 1350
Azure.IoT Build 10:75c5e0d8537d 1351 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_048: [IotHubTransportAMQP_SetOption shall save and apply the value if the option name is "sas_token_lifetime", returning IOTHUB_CLIENT_OK]
Azure.IoT Build 11:62d7b956e76e 1352 if (strcmp("sas_token_lifetime", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1353 {
Azure.IoT Build 10:75c5e0d8537d 1354 transport_state->sas_token_lifetime = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1355 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1356 }
Azure.IoT Build 10:75c5e0d8537d 1357 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_049: [IotHubTransportAMQP_SetOption shall save and apply the value if the option name is "sas_token_refresh_time", returning IOTHUB_CLIENT_OK]
Azure.IoT Build 10:75c5e0d8537d 1358 else if (strcmp("sas_token_refresh_time", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1359 {
Azure.IoT Build 10:75c5e0d8537d 1360 transport_state->sas_token_refresh_time = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1361 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1362 }
Azure.IoT Build 10:75c5e0d8537d 1363 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_148: [IotHubTransportAMQP_SetOption shall save and apply the value if the option name is "cbs_request_timeout", returning IOTHUB_CLIENT_OK]
Azure.IoT Build 10:75c5e0d8537d 1364 else if (strcmp("cbs_request_timeout", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1365 {
Azure.IoT Build 10:75c5e0d8537d 1366 transport_state->cbs_request_timeout = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1367 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1368 }
Azure.IoT Build 11:62d7b956e76e 1369 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_047: [If the option name does not match one of the options handled by this module, then IoTHubTransportAMQP_SetOption shall get the handle to the XIO and invoke the xio_setoption passing down the option name and value parameters.]
Azure.IoT Build 10:75c5e0d8537d 1370 else
Azure.IoT Build 10:75c5e0d8537d 1371 {
Azure.IoT Build 11:62d7b956e76e 1372 if (transport_state->tls_io == NULL &&
Azure.IoT Build 11:62d7b956e76e 1373 (transport_state->tls_io = transport_state->tls_io_transport_provider(STRING_c_str(transport_state->iotHubHostFqdn), transport_state->iotHubPort)) == NULL)
Azure.IoT Build 11:62d7b956e76e 1374 {
Azure.IoT Build 11:62d7b956e76e 1375 result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build 11:62d7b956e76e 1376 LogError("Failed to obtain a TLS I/O transport layer.\r\n");
Azure.IoT Build 11:62d7b956e76e 1377 }
Azure.IoT Build 11:62d7b956e76e 1378 else
Azure.IoT Build 11:62d7b956e76e 1379 {
Azure.IoT Build 11:62d7b956e76e 1380 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_03_001: [If xio_setoption fails, IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_ERROR.] */
Azure.IoT Build 11:62d7b956e76e 1381 if (xio_setoption(transport_state->tls_io, option, value) == 0)
Azure.IoT Build 11:62d7b956e76e 1382 {
Azure.IoT Build 11:62d7b956e76e 1383 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 11:62d7b956e76e 1384 }
Azure.IoT Build 11:62d7b956e76e 1385 else
Azure.IoT Build 11:62d7b956e76e 1386 {
Azure.IoT Build 11:62d7b956e76e 1387 result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build 11:62d7b956e76e 1388 LogError("Invalid option (%s) passed to uAMQP transport SetOption()\r\n", option);
Azure.IoT Build 11:62d7b956e76e 1389 }
Azure.IoT Build 11:62d7b956e76e 1390 }
Azure.IoT Build 10:75c5e0d8537d 1391 }
Azure.IoT Build 10:75c5e0d8537d 1392 }
AzureIoTClient 4:57e049bce51e 1393
AzureIoTClient 4:57e049bce51e 1394 return result;
AzureIoTClient 4:57e049bce51e 1395 }
AzureIoTClient 4:57e049bce51e 1396
Azure.IoT Build 12:841a4c36bd36 1397 static IOTHUB_DEVICE_HANDLE IoTHubTransportAMQP_Register(TRANSPORT_LL_HANDLE handle, const char* deviceId, const char* deviceKey, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
Azure.IoT Build 10:75c5e0d8537d 1398 {
Azure.IoT Build 10:75c5e0d8537d 1399 IOTHUB_DEVICE_HANDLE result;
Azure.IoT Build 12:841a4c36bd36 1400 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_001: [IoTHubTransportAMQP_Register shall return NULL if deviceId, deviceKey or waitingToSend are NULL.]
Azure.IoT Build 12:841a4c36bd36 1401 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_005: [IoTHubTransportAMQP_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.]
Azure.IoT Build 11:62d7b956e76e 1402 if ((handle == NULL) || (deviceId == NULL) || (deviceKey == NULL) || (waitingToSend == NULL))
Azure.IoT Build 10:75c5e0d8537d 1403 {
Azure.IoT Build 10:75c5e0d8537d 1404 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1405 }
Azure.IoT Build 10:75c5e0d8537d 1406 else
Azure.IoT Build 10:75c5e0d8537d 1407 {
Azure.IoT Build 10:75c5e0d8537d 1408 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 10:75c5e0d8537d 1409
Azure.IoT Build 10:75c5e0d8537d 1410 STRING_HANDLE devicesPath = concat3Params(STRING_c_str(transport_state->iotHubHostFqdn), "/devices/", deviceId);
Azure.IoT Build 10:75c5e0d8537d 1411 if (devicesPath == NULL)
Azure.IoT Build 10:75c5e0d8537d 1412 {
Azure.IoT Build 10:75c5e0d8537d 1413 LogError("Could not create a comparison string");
Azure.IoT Build 10:75c5e0d8537d 1414 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1415 }
Azure.IoT Build 10:75c5e0d8537d 1416 else
Azure.IoT Build 10:75c5e0d8537d 1417 {
Azure.IoT Build 12:841a4c36bd36 1418 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_002: [IoTHubTransportAMQP_Register shall return NULL if deviceId or deviceKey do not match the deviceId and deviceKey passed in during IoTHubTransportAMQP_Create.]
Azure.IoT Build 10:75c5e0d8537d 1419 if (strcmp(STRING_c_str(transport_state->devicesPath), STRING_c_str(devicesPath)) != 0)
Azure.IoT Build 10:75c5e0d8537d 1420 {
Azure.IoT Build 10:75c5e0d8537d 1421 LogError("Attemping to add new device to AMQP transport, not allowed.");
Azure.IoT Build 10:75c5e0d8537d 1422 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1423 }
Azure.IoT Build 10:75c5e0d8537d 1424 else if (strcmp(STRING_c_str(transport_state->deviceKey), deviceKey) != 0)
Azure.IoT Build 10:75c5e0d8537d 1425 {
Azure.IoT Build 10:75c5e0d8537d 1426 LogError("Attemping to add new device to AMQP transport, not allowed.");
Azure.IoT Build 10:75c5e0d8537d 1427 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1428 }
Azure.IoT Build 10:75c5e0d8537d 1429 else
Azure.IoT Build 10:75c5e0d8537d 1430 {
Azure.IoT Build 10:75c5e0d8537d 1431 if (transport_state->isRegistered == true)
Azure.IoT Build 10:75c5e0d8537d 1432 {
Azure.IoT Build 10:75c5e0d8537d 1433 LogError("Transport already has device registered by id: [%s]", deviceId);
Azure.IoT Build 10:75c5e0d8537d 1434 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1435 }
Azure.IoT Build 10:75c5e0d8537d 1436 else
Azure.IoT Build 10:75c5e0d8537d 1437 {
Azure.IoT Build 10:75c5e0d8537d 1438 transport_state->isRegistered = true;
Azure.IoT Build 12:841a4c36bd36 1439 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_003: [IoTHubTransportAMQP_Register shall return the TRANSPORT_LL_HANDLE as the IOTHUB_DEVICE_HANDLE.]
Azure.IoT Build 10:75c5e0d8537d 1440 result = (IOTHUB_DEVICE_HANDLE)handle;
Azure.IoT Build 10:75c5e0d8537d 1441 }
Azure.IoT Build 10:75c5e0d8537d 1442 }
Azure.IoT Build 10:75c5e0d8537d 1443 STRING_delete(devicesPath);
Azure.IoT Build 10:75c5e0d8537d 1444 }
Azure.IoT Build 10:75c5e0d8537d 1445 }
Azure.IoT Build 10:75c5e0d8537d 1446
Azure.IoT Build 10:75c5e0d8537d 1447 return result;
Azure.IoT Build 10:75c5e0d8537d 1448 }
Azure.IoT Build 10:75c5e0d8537d 1449
Azure.IoT Build 12:841a4c36bd36 1450 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_004: [IoTHubTransportAMQP_Unregister shall return.]
Azure.IoT Build 12:841a4c36bd36 1451 static void IoTHubTransportAMQP_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build 10:75c5e0d8537d 1452 {
Azure.IoT Build 10:75c5e0d8537d 1453 if (deviceHandle != NULL)
Azure.IoT Build 10:75c5e0d8537d 1454 {
Azure.IoT Build 10:75c5e0d8537d 1455 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)deviceHandle;
Azure.IoT Build 10:75c5e0d8537d 1456
Azure.IoT Build 10:75c5e0d8537d 1457 transport_state->isRegistered = false;
Azure.IoT Build 10:75c5e0d8537d 1458 }
Azure.IoT Build 10:75c5e0d8537d 1459 }
Azure.IoT Build 10:75c5e0d8537d 1460
Azure.IoT Build 7:07bc440836b3 1461 static TRANSPORT_PROVIDER thisTransportProvider = {
Azure.IoT Build 11:62d7b956e76e 1462 IoTHubTransportAMQP_SetOption,
Azure.IoT Build 11:62d7b956e76e 1463 IoTHubTransportAMQP_Create,
Azure.IoT Build 11:62d7b956e76e 1464 IoTHubTransportAMQP_Destroy,
Azure.IoT Build 12:841a4c36bd36 1465 IoTHubTransportAMQP_Register,
Azure.IoT Build 12:841a4c36bd36 1466 IoTHubTransportAMQP_Unregister,
Azure.IoT Build 11:62d7b956e76e 1467 IoTHubTransportAMQP_Subscribe,
Azure.IoT Build 11:62d7b956e76e 1468 IoTHubTransportAMQP_Unsubscribe,
Azure.IoT Build 11:62d7b956e76e 1469 IoTHubTransportAMQP_DoWork,
Azure.IoT Build 7:07bc440836b3 1470 IoTHubTransportAMQP_GetSendStatus
AzureIoTClient 4:57e049bce51e 1471 };
AzureIoTClient 4:57e049bce51e 1472
AzureIoTClient 4:57e049bce51e 1473 extern const void* AMQP_Protocol(void)
AzureIoTClient 4:57e049bce51e 1474 {
Azure.IoT Build 7:07bc440836b3 1475 return &thisTransportProvider;
AzureIoTClient 4:57e049bce51e 1476 }