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@11:62d7b956e76e, 2016-03-25 (annotated)

Committer:
Azure.IoT Build
Date:
Fri Mar 25 15:59:44 2016 -0700
Revision:
11:62d7b956e76e
Parent:
10:75c5e0d8537d
Child:
12:841a4c36bd36
Release 1.0.3

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>
AzureIoTClient 4:57e049bce51e 11 #include "gballoc.h"
AzureIoTClient 4:57e049bce51e 12
Azure.IoT Build 7:07bc440836b3 13 #include "cbs.h"
Azure.IoT Build 7:07bc440836b3 14 #include "link.h"
Azure.IoT Build 7:07bc440836b3 15 #include "message.h"
Azure.IoT Build 10:75c5e0d8537d 16 #include "amqpvalue.h"
Azure.IoT Build 7:07bc440836b3 17 #include "message_receiver.h"
Azure.IoT Build 7:07bc440836b3 18 #include "message_sender.h"
Azure.IoT Build 7:07bc440836b3 19 #include "messaging.h"
Azure.IoT Build 7:07bc440836b3 20 #include "sasl_mssbcbs.h"
Azure.IoT Build 7:07bc440836b3 21 #include "saslclientio.h"
AzureIoTClient 4:57e049bce51e 22
Azure.IoT Build 7:07bc440836b3 23 #include "crt_abstractions.h"
Azure.IoT Build 7:07bc440836b3 24 #include "doublylinkedlist.h"
AzureIoTClient 4:57e049bce51e 25 #include "iot_logging.h"
Azure.IoT Build 7:07bc440836b3 26 #include "platform.h"
Azure.IoT Build 7:07bc440836b3 27 #include "sastoken.h"
AzureIoTClient 4:57e049bce51e 28 #include "strings.h"
AzureIoTClient 4:57e049bce51e 29 #include "urlencode.h"
Azure.IoT Build 7:07bc440836b3 30
Azure.IoT Build 7:07bc440836b3 31 #include "tlsio.h"
AzureIoTClient 4:57e049bce51e 32
AzureIoTClient 4:57e049bce51e 33 #include "iothub_client_ll.h"
AzureIoTClient 4:57e049bce51e 34 #include "iothub_client_private.h"
AzureIoTClient 4:57e049bce51e 35 #include "iothubtransportamqp.h"
Azure.IoT Build 7:07bc440836b3 36 #include "iothub_client_version.h"
Azure.IoT Build 7:07bc440836b3 37
Azure.IoT Build 7:07bc440836b3 38 #define RESULT_OK 0
Azure.IoT Build 7:07bc440836b3 39 #define RESULT_FAILURE 1
Azure.IoT Build 7:07bc440836b3 40 #define RESULT_TIMEOUT 2
Azure.IoT Build 7:07bc440836b3 41
Azure.IoT Build 7:07bc440836b3 42 #define RFC1035_MAX_FQDN_LENGTH 255
Azure.IoT Build 7:07bc440836b3 43 #define DEFAULT_IOTHUB_AMQP_PORT 5671
Azure.IoT Build 7:07bc440836b3 44 #define DEFAULT_SAS_TOKEN_LIFETIME_MS 3600000
Azure.IoT Build 7:07bc440836b3 45 #define DEFAULT_CBS_REQUEST_TIMEOUT_MS 30000
Azure.IoT Build 7:07bc440836b3 46 #define DEFAULT_MESSAGE_SEND_TIMEOUT_MS 300000
Azure.IoT Build 7:07bc440836b3 47 #define CBS_AUDIENCE "servicebus.windows.net:sastoken"
Azure.IoT Build 7:07bc440836b3 48 #define DEFAULT_CONTAINER_ID "default_container_id"
Azure.IoT Build 10:75c5e0d8537d 49 #define DEFAULT_INCOMING_WINDOW_SIZE UINT_MAX
Azure.IoT Build 7:07bc440836b3 50 #define DEFAULT_OUTGOING_WINDOW_SIZE 100
Azure.IoT Build 7:07bc440836b3 51 #define MESSAGE_RECEIVER_LINK_NAME "receiver-link"
Azure.IoT Build 7:07bc440836b3 52 #define MESSAGE_RECEIVER_TARGET_ADDRESS "ingress-rx"
Azure.IoT Build 7:07bc440836b3 53 #define MESSAGE_RECEIVER_MAX_LINK_SIZE 65536
Azure.IoT Build 7:07bc440836b3 54 #define MESSAGE_SENDER_LINK_NAME "sender-link"
Azure.IoT Build 7:07bc440836b3 55 #define MESSAGE_SENDER_SOURCE_ADDRESS "ingress"
Azure.IoT Build 11:62d7b956e76e 56 #define MESSAGE_SENDER_MAX_LINK_SIZE UINT64_MAX
Azure.IoT Build 7:07bc440836b3 57
Azure.IoT Build 11:62d7b956e76e 58 typedef XIO_HANDLE(*TLS_IO_TRANSPORT_PROVIDER)(const char* fqdn, int port);
Azure.IoT Build 7:07bc440836b3 59
Azure.IoT Build 7:07bc440836b3 60 typedef enum CBS_STATE_TAG
Azure.IoT Build 7:07bc440836b3 61 {
Azure.IoT Build 7:07bc440836b3 62 CBS_STATE_IDLE,
Azure.IoT Build 7:07bc440836b3 63 CBS_STATE_AUTH_IN_PROGRESS,
Azure.IoT Build 7:07bc440836b3 64 CBS_STATE_AUTHENTICATED
Azure.IoT Build 7:07bc440836b3 65 } CBS_STATE;
AzureIoTClient 4:57e049bce51e 66
Azure.IoT Build 7:07bc440836b3 67 typedef struct AMQP_TRANSPORT_STATE_TAG
Azure.IoT Build 7:07bc440836b3 68 {
Azure.IoT Build 10:75c5e0d8537d 69 // FQDN of the IoT Hub.
Azure.IoT Build 10:75c5e0d8537d 70 STRING_HANDLE iotHubHostFqdn;
Azure.IoT Build 10:75c5e0d8537d 71 // AMQP port of the IoT Hub.
Azure.IoT Build 10:75c5e0d8537d 72 int iotHubPort;
Azure.IoT Build 10:75c5e0d8537d 73 // Key associated to the device to be used.
Azure.IoT Build 10:75c5e0d8537d 74 STRING_HANDLE deviceKey;
Azure.IoT Build 10:75c5e0d8537d 75 // Address to which the transport will connect to and send events.
Azure.IoT Build 10:75c5e0d8537d 76 STRING_HANDLE targetAddress;
Azure.IoT Build 10:75c5e0d8537d 77 // Address to which the transport will connect to and receive messages from.
Azure.IoT Build 10:75c5e0d8537d 78 STRING_HANDLE messageReceiveAddress;
Azure.IoT Build 10:75c5e0d8537d 79 // A component of the SAS token. Currently this must be an empty string.
Azure.IoT Build 10:75c5e0d8537d 80 STRING_HANDLE sasTokenKeyName;
Azure.IoT Build 10:75c5e0d8537d 81 // Internal parameter that identifies the current logical device within the service.
Azure.IoT Build 10:75c5e0d8537d 82 STRING_HANDLE devicesPath;
Azure.IoT Build 10:75c5e0d8537d 83 // How long a SAS token created by the transport is valid, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 84 size_t sas_token_lifetime;
Azure.IoT Build 10:75c5e0d8537d 85 // Maximum period of time for the transport to wait before refreshing the SAS token it created previously, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 86 size_t sas_token_refresh_time;
Azure.IoT Build 10:75c5e0d8537d 87 // Maximum time the transport waits for uAMQP cbs_put_token() to complete before marking it a failure, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 88 size_t cbs_request_timeout;
Azure.IoT Build 10:75c5e0d8537d 89 // Maximum time the transport waits for an event to be sent before marking it a failure, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 90 size_t message_send_timeout;
Azure.IoT Build 10:75c5e0d8537d 91 // Maximum time for the connection establishment/retry logic should wait for a connection to succeed, in milliseconds.
Azure.IoT Build 10:75c5e0d8537d 92 size_t connection_timeout;
Azure.IoT Build 10:75c5e0d8537d 93 // Saved reference to the IoTHub LL Client.
Azure.IoT Build 10:75c5e0d8537d 94 IOTHUB_CLIENT_LL_HANDLE iothub_client_handle;
Azure.IoT Build 11:62d7b956e76e 95
Azure.IoT Build 10:75c5e0d8537d 96 // TSL I/O transport.
Azure.IoT Build 10:75c5e0d8537d 97 XIO_HANDLE tls_io;
Azure.IoT Build 10:75c5e0d8537d 98 // Pointer to the function that creates the TLS I/O (internal use only).
Azure.IoT Build 10:75c5e0d8537d 99 TLS_IO_TRANSPORT_PROVIDER tls_io_transport_provider;
Azure.IoT Build 10:75c5e0d8537d 100 // AMQP SASL I/O transport created on top of the TLS I/O layer.
Azure.IoT Build 10:75c5e0d8537d 101 XIO_HANDLE sasl_io;
Azure.IoT Build 10:75c5e0d8537d 102 // AMQP SASL I/O mechanism to be used.
Azure.IoT Build 10:75c5e0d8537d 103 SASL_MECHANISM_HANDLE sasl_mechanism;
Azure.IoT Build 10:75c5e0d8537d 104 // AMQP connection.
Azure.IoT Build 10:75c5e0d8537d 105 CONNECTION_HANDLE connection;
Azure.IoT Build 10:75c5e0d8537d 106 // Current AMQP connection state;
Azure.IoT Build 10:75c5e0d8537d 107 AMQP_MANAGEMENT_STATE connection_state;
Azure.IoT Build 10:75c5e0d8537d 108 // Last time the AMQP connection establishment was initiated.
Azure.IoT Build 10:75c5e0d8537d 109 size_t connection_establish_time;
Azure.IoT Build 10:75c5e0d8537d 110 // AMQP session.
Azure.IoT Build 10:75c5e0d8537d 111 SESSION_HANDLE session;
Azure.IoT Build 10:75c5e0d8537d 112 // AMQP link used by the event sender.
Azure.IoT Build 10:75c5e0d8537d 113 LINK_HANDLE sender_link;
Azure.IoT Build 10:75c5e0d8537d 114 // uAMQP event sender.
Azure.IoT Build 10:75c5e0d8537d 115 MESSAGE_SENDER_HANDLE message_sender;
Azure.IoT Build 10:75c5e0d8537d 116 // Internal flag that controls if messages should be received or not.
Azure.IoT Build 10:75c5e0d8537d 117 bool receive_messages;
Azure.IoT Build 10:75c5e0d8537d 118 // AMQP link used by the message receiver.
Azure.IoT Build 10:75c5e0d8537d 119 LINK_HANDLE receiver_link;
Azure.IoT Build 10:75c5e0d8537d 120 // uAMQP message receiver.
Azure.IoT Build 10:75c5e0d8537d 121 MESSAGE_RECEIVER_HANDLE message_receiver;
Azure.IoT Build 10:75c5e0d8537d 122 // List with events still pending to be sent. It is provided by the upper layer.
Azure.IoT Build 10:75c5e0d8537d 123 PDLIST_ENTRY waitingToSend;
Azure.IoT Build 10:75c5e0d8537d 124 // Internal list with the items currently being processed/sent through uAMQP.
Azure.IoT Build 10:75c5e0d8537d 125 DLIST_ENTRY inProgress;
Azure.IoT Build 10:75c5e0d8537d 126 // Connection instance with the Azure IoT CBS.
Azure.IoT Build 10:75c5e0d8537d 127 CBS_HANDLE cbs;
Azure.IoT Build 10:75c5e0d8537d 128 // Current state of the CBS connection.
Azure.IoT Build 10:75c5e0d8537d 129 CBS_STATE cbs_state;
Azure.IoT Build 10:75c5e0d8537d 130 // Time when the current SAS token was created, in seconds since epoch.
Azure.IoT Build 10:75c5e0d8537d 131 size_t current_sas_token_create_time;
Azure.IoT Build 10:75c5e0d8537d 132 // Mark if device is registered in transport (only one device per transport).
Azure.IoT Build 10:75c5e0d8537d 133 bool isRegistered;
Azure.IoT Build 7:07bc440836b3 134 } AMQP_TRANSPORT_INSTANCE;
Azure.IoT Build 7:07bc440836b3 135
Azure.IoT Build 7:07bc440836b3 136 // This structure is used to track an event being sent and the time it was sent.
Azure.IoT Build 7:07bc440836b3 137 typedef struct EVENT_TRACKER_TAG
Azure.IoT Build 7:07bc440836b3 138 {
Azure.IoT Build 7:07bc440836b3 139 IOTHUB_CLIENT_LL_HANDLE iothub_client_handle;
Azure.IoT Build 7:07bc440836b3 140 IOTHUB_MESSAGE_LIST* message;
Azure.IoT Build 7:07bc440836b3 141 time_t time_sent;
Azure.IoT Build 7:07bc440836b3 142 DLIST_ENTRY entry;
Azure.IoT Build 7:07bc440836b3 143 } EVENT_TRACKER;
AzureIoTClient 4:57e049bce51e 144
AzureIoTClient 4:57e049bce51e 145
Azure.IoT Build 7:07bc440836b3 146 // Auxiliary functions
AzureIoTClient 4:57e049bce51e 147
Azure.IoT Build 7:07bc440836b3 148 static STRING_HANDLE concat3Params(const char* prefix, const char* infix, const char* suffix)
AzureIoTClient 4:57e049bce51e 149 {
Azure.IoT Build 7:07bc440836b3 150 STRING_HANDLE result = NULL;
Azure.IoT Build 10:75c5e0d8537d 151 char* concat;
Azure.IoT Build 7:07bc440836b3 152 size_t totalLength = strlen(prefix) + strlen(infix) + strlen(suffix) + 1; // One extra for \0.
AzureIoTClient 5:8d58d20699dd 153
Azure.IoT Build 10:75c5e0d8537d 154 if ((concat = (char*)malloc(totalLength)) != NULL)
AzureIoTClient 5:8d58d20699dd 155 {
Azure.IoT Build 10:75c5e0d8537d 156 (void)strcpy(concat, prefix);
Azure.IoT Build 10:75c5e0d8537d 157 (void)strcat(concat, infix);
Azure.IoT Build 10:75c5e0d8537d 158 (void)strcat(concat, suffix);
Azure.IoT Build 10:75c5e0d8537d 159 result = STRING_construct(concat);
Azure.IoT Build 7:07bc440836b3 160 free(concat);
AzureIoTClient 5:8d58d20699dd 161 }
Azure.IoT Build 10:75c5e0d8537d 162 else
Azure.IoT Build 10:75c5e0d8537d 163 {
Azure.IoT Build 10:75c5e0d8537d 164 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 165 }
AzureIoTClient 5:8d58d20699dd 166
AzureIoTClient 4:57e049bce51e 167 return result;
AzureIoTClient 4:57e049bce51e 168 }
AzureIoTClient 4:57e049bce51e 169
Azure.IoT Build 10:75c5e0d8537d 170 static size_t getSecondsSinceEpoch(void)
AzureIoTClient 4:57e049bce51e 171 {
Azure.IoT Build 10:75c5e0d8537d 172 return (size_t)(difftime(get_time(NULL), (time_t)0));
AzureIoTClient 4:57e049bce51e 173 }
AzureIoTClient 4:57e049bce51e 174
Azure.IoT Build 7:07bc440836b3 175 static EVENT_TRACKER* trackEvent(IOTHUB_MESSAGE_LIST* message, AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 176 {
Azure.IoT Build 10:75c5e0d8537d 177 EVENT_TRACKER* event_tracker;
Azure.IoT Build 7:07bc440836b3 178
Azure.IoT Build 7:07bc440836b3 179 if ((event_tracker = (EVENT_TRACKER*)malloc(sizeof(EVENT_TRACKER))) != NULL)
Azure.IoT Build 7:07bc440836b3 180 {
Azure.IoT Build 7:07bc440836b3 181 event_tracker->iothub_client_handle = transport_state->iothub_client_handle;
Azure.IoT Build 7:07bc440836b3 182 event_tracker->message = message;
Azure.IoT Build 7:07bc440836b3 183 event_tracker->time_sent = get_time(NULL);
Azure.IoT Build 7:07bc440836b3 184 DList_InitializeListHead(&event_tracker->entry);
Azure.IoT Build 7:07bc440836b3 185
Azure.IoT Build 7:07bc440836b3 186 DList_RemoveEntryList(&message->entry);
Azure.IoT Build 7:07bc440836b3 187 DList_InsertTailList(&transport_state->inProgress, &event_tracker->entry);
Azure.IoT Build 7:07bc440836b3 188 }
Azure.IoT Build 7:07bc440836b3 189
Azure.IoT Build 7:07bc440836b3 190 return event_tracker;
Azure.IoT Build 7:07bc440836b3 191 }
Azure.IoT Build 7:07bc440836b3 192
Azure.IoT Build 7:07bc440836b3 193 static void destroyEventTracker(EVENT_TRACKER* event_tracker)
Azure.IoT Build 7:07bc440836b3 194 {
Azure.IoT Build 7:07bc440836b3 195 free(event_tracker);
AzureIoTClient 4:57e049bce51e 196 }
AzureIoTClient 4:57e049bce51e 197
Azure.IoT Build 7:07bc440836b3 198 static IOTHUB_MESSAGE_LIST* getNextEventToSend(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 199 {
Azure.IoT Build 10:75c5e0d8537d 200 IOTHUB_MESSAGE_LIST* message;
Azure.IoT Build 7:07bc440836b3 201
Azure.IoT Build 7:07bc440836b3 202 if (!DList_IsListEmpty(transport_state->waitingToSend))
AzureIoTClient 4:57e049bce51e 203 {
Azure.IoT Build 7:07bc440836b3 204 PDLIST_ENTRY list_entry = transport_state->waitingToSend->Flink;
Azure.IoT Build 7:07bc440836b3 205 message = containingRecord(list_entry, IOTHUB_MESSAGE_LIST, entry);
AzureIoTClient 4:57e049bce51e 206 }
Azure.IoT Build 10:75c5e0d8537d 207 else
Azure.IoT Build 10:75c5e0d8537d 208 {
Azure.IoT Build 10:75c5e0d8537d 209 message = NULL;
Azure.IoT Build 10:75c5e0d8537d 210 }
Azure.IoT Build 7:07bc440836b3 211
Azure.IoT Build 7:07bc440836b3 212 return message;
Azure.IoT Build 7:07bc440836b3 213 }
Azure.IoT Build 7:07bc440836b3 214
Azure.IoT Build 7:07bc440836b3 215 static int isEventInInProgressList(EVENT_TRACKER* event_tracker)
Azure.IoT Build 7:07bc440836b3 216 {
Azure.IoT Build 7:07bc440836b3 217 return !DList_IsListEmpty(&event_tracker->entry);
AzureIoTClient 4:57e049bce51e 218 }
AzureIoTClient 4:57e049bce51e 219
Azure.IoT Build 7:07bc440836b3 220 static void removeEventFromInProgressList(EVENT_TRACKER* event_tracker)
AzureIoTClient 4:57e049bce51e 221 {
Azure.IoT Build 7:07bc440836b3 222 DList_RemoveEntryList(&event_tracker->entry);
Azure.IoT Build 7:07bc440836b3 223 DList_InitializeListHead(&event_tracker->entry);
AzureIoTClient 4:57e049bce51e 224 }
AzureIoTClient 4:57e049bce51e 225
Azure.IoT Build 7:07bc440836b3 226 static void rollEventBackToWaitList(EVENT_TRACKER* event_tracker, AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 227 {
Azure.IoT Build 7:07bc440836b3 228 removeEventFromInProgressList(event_tracker);
Azure.IoT Build 7:07bc440836b3 229 DList_InsertTailList(transport_state->waitingToSend, &event_tracker->message->entry);
Azure.IoT Build 7:07bc440836b3 230 destroyEventTracker(event_tracker);
Azure.IoT Build 7:07bc440836b3 231 }
Azure.IoT Build 7:07bc440836b3 232
Azure.IoT Build 7:07bc440836b3 233 static void rollEventsBackToWaitList(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 234 {
Azure.IoT Build 7:07bc440836b3 235 PDLIST_ENTRY entry = transport_state->inProgress.Blink;
Azure.IoT Build 7:07bc440836b3 236
Azure.IoT Build 7:07bc440836b3 237 while (entry != &transport_state->inProgress)
AzureIoTClient 4:57e049bce51e 238 {
Azure.IoT Build 7:07bc440836b3 239 EVENT_TRACKER* event_tracker = containingRecord(entry, EVENT_TRACKER, entry);
Azure.IoT Build 7:07bc440836b3 240 entry = entry->Blink;
Azure.IoT Build 7:07bc440836b3 241 rollEventBackToWaitList(event_tracker, transport_state);
AzureIoTClient 4:57e049bce51e 242 }
AzureIoTClient 4:57e049bce51e 243 }
AzureIoTClient 4:57e049bce51e 244
Azure.IoT Build 10:75c5e0d8537d 245 static void on_message_send_complete(void* context, MESSAGE_SEND_RESULT send_result)
AzureIoTClient 4:57e049bce51e 246 {
Azure.IoT Build 10:75c5e0d8537d 247 EVENT_TRACKER* event_tracker = (EVENT_TRACKER*)context;
Azure.IoT Build 10:75c5e0d8537d 248
Azure.IoT Build 10:75c5e0d8537d 249 IOTHUB_CLIENT_RESULT iot_hub_send_result;
Azure.IoT Build 10:75c5e0d8537d 250
Azure.IoT Build 10:75c5e0d8537d 251 // 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 252 if (send_result == MESSAGE_SEND_OK)
AzureIoTClient 4:57e049bce51e 253 {
Azure.IoT Build 10:75c5e0d8537d 254 iot_hub_send_result = IOTHUB_CLIENT_CONFIRMATION_OK;
Azure.IoT Build 10:75c5e0d8537d 255 }
Azure.IoT Build 10:75c5e0d8537d 256 // 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 10:75c5e0d8537d 257 else if (send_result == MESSAGE_SEND_ERROR)
Azure.IoT Build 10:75c5e0d8537d 258 {
Azure.IoT Build 10:75c5e0d8537d 259 iot_hub_send_result = IOTHUB_CLIENT_CONFIRMATION_ERROR;
Azure.IoT Build 10:75c5e0d8537d 260 }
Azure.IoT Build 7:07bc440836b3 261
Azure.IoT Build 10:75c5e0d8537d 262 // 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 10:75c5e0d8537d 263 if (event_tracker->message->callback != NULL)
Azure.IoT Build 10:75c5e0d8537d 264 {
Azure.IoT Build 10:75c5e0d8537d 265 event_tracker->message->callback(iot_hub_send_result, event_tracker->message->context);
Azure.IoT Build 10:75c5e0d8537d 266 }
AzureIoTClient 4:57e049bce51e 267
Azure.IoT Build 10:75c5e0d8537d 268 // 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 10:75c5e0d8537d 269 IoTHubMessage_Destroy(event_tracker->message->messageHandle);
Azure.IoT Build 10:75c5e0d8537d 270 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_152: [The callback 'on_message_send_complete' shall destroy the IOTHUB_MESSAGE_LIST instance]
Azure.IoT Build 10:75c5e0d8537d 271 free(event_tracker->message);
AzureIoTClient 4:57e049bce51e 272
Azure.IoT Build 10:75c5e0d8537d 273 // 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 10:75c5e0d8537d 274 if (isEventInInProgressList(event_tracker))
Azure.IoT Build 10:75c5e0d8537d 275 {
Azure.IoT Build 10:75c5e0d8537d 276 removeEventFromInProgressList(event_tracker);
Azure.IoT Build 10:75c5e0d8537d 277 destroyEventTracker(event_tracker);
AzureIoTClient 4:57e049bce51e 278 }
AzureIoTClient 4:57e049bce51e 279 }
AzureIoTClient 4:57e049bce51e 280
Azure.IoT Build 10:75c5e0d8537d 281 static void on_put_token_complete(void* context, CBS_OPERATION_RESULT operation_result, unsigned int status_code, const char* status_description)
AzureIoTClient 4:57e049bce51e 282 {
Azure.IoT Build 7:07bc440836b3 283 AMQP_TRANSPORT_INSTANCE* transportState = (AMQP_TRANSPORT_INSTANCE*)context;
Azure.IoT Build 7:07bc440836b3 284
Azure.IoT Build 7:07bc440836b3 285 if (operation_result == OPERATION_RESULT_OK)
AzureIoTClient 4:57e049bce51e 286 {
Azure.IoT Build 7:07bc440836b3 287 transportState->cbs_state = CBS_STATE_AUTHENTICATED;
Azure.IoT Build 7:07bc440836b3 288 }
Azure.IoT Build 7:07bc440836b3 289 }
Azure.IoT Build 7:07bc440836b3 290
Azure.IoT Build 10:75c5e0d8537d 291 static AMQP_VALUE on_message_received(const void* context, MESSAGE_HANDLE message)
Azure.IoT Build 7:07bc440836b3 292 {
Azure.IoT Build 7:07bc440836b3 293 AMQP_VALUE result = NULL;
Azure.IoT Build 10:75c5e0d8537d 294 IOTHUBMESSAGE_DISPOSITION_RESULT disposition_result;
Azure.IoT Build 7:07bc440836b3 295
Azure.IoT Build 10:75c5e0d8537d 296 // 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 297 IOTHUB_MESSAGE_HANDLE iothub_message = NULL;
Azure.IoT Build 7:07bc440836b3 298 MESSAGE_BODY_TYPE body_type;
Azure.IoT Build 11:62d7b956e76e 299
Azure.IoT Build 7:07bc440836b3 300 if (message_get_body_type(message, &body_type) != 0)
Azure.IoT Build 7:07bc440836b3 301 {
Azure.IoT Build 7:07bc440836b3 302 LogError("Failed to get the type of the message received by the transport.\r\n");
Azure.IoT Build 7:07bc440836b3 303 }
Azure.IoT Build 11:62d7b956e76e 304 else
Azure.IoT Build 7:07bc440836b3 305 {
Azure.IoT Build 7:07bc440836b3 306 if (body_type == MESSAGE_BODY_TYPE_DATA)
AzureIoTClient 4:57e049bce51e 307 {
Azure.IoT Build 7:07bc440836b3 308 BINARY_DATA binary_data;
Azure.IoT Build 7:07bc440836b3 309 if (message_get_body_amqp_data(message, 0, &binary_data) != 0)
Azure.IoT Build 7:07bc440836b3 310 {
Azure.IoT Build 7:07bc440836b3 311 LogError("Failed to get the body of the message received by the transport.\r\n");
Azure.IoT Build 7:07bc440836b3 312 }
Azure.IoT Build 7:07bc440836b3 313 else
Azure.IoT Build 7:07bc440836b3 314 {
Azure.IoT Build 7:07bc440836b3 315 iothub_message = IoTHubMessage_CreateFromByteArray(binary_data.bytes, binary_data.length);
Azure.IoT Build 7:07bc440836b3 316 }
AzureIoTClient 4:57e049bce51e 317 }
Azure.IoT Build 7:07bc440836b3 318 }
Azure.IoT Build 11:62d7b956e76e 319
Azure.IoT Build 7:07bc440836b3 320 if (iothub_message == NULL)
Azure.IoT Build 7:07bc440836b3 321 {
Azure.IoT Build 10:75c5e0d8537d 322 disposition_result = IOTHUBMESSAGE_REJECTED;
Azure.IoT Build 7:07bc440836b3 323 LogError("Transport failed processing the message received.\r\n");
Azure.IoT Build 7:07bc440836b3 324 }
Azure.IoT Build 7:07bc440836b3 325 else
Azure.IoT Build 7:07bc440836b3 326 {
Azure.IoT Build 7:07bc440836b3 327 disposition_result = IoTHubClient_LL_MessageCallback((IOTHUB_CLIENT_LL_HANDLE)context, iothub_message);
Azure.IoT Build 7:07bc440836b3 328
Azure.IoT Build 10:75c5e0d8537d 329 // 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 330 if (disposition_result == IOTHUBMESSAGE_ACCEPTED)
AzureIoTClient 5:8d58d20699dd 331 {
Azure.IoT Build 7:07bc440836b3 332 result = messaging_delivery_accepted();
Azure.IoT Build 7:07bc440836b3 333 }
Azure.IoT Build 10:75c5e0d8537d 334 // 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 335 else if (disposition_result == IOTHUBMESSAGE_ABANDONED)
Azure.IoT Build 7:07bc440836b3 336 {
Azure.IoT Build 7:07bc440836b3 337 result = messaging_delivery_released();
AzureIoTClient 5:8d58d20699dd 338 }
Azure.IoT Build 10:75c5e0d8537d 339 // 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 340 else if (disposition_result == IOTHUBMESSAGE_REJECTED)
AzureIoTClient 4:57e049bce51e 341 {
Azure.IoT Build 7:07bc440836b3 342 result = messaging_delivery_rejected("Rejected by application", "Rejected by application");
AzureIoTClient 4:57e049bce51e 343 }
Azure.IoT Build 11:62d7b956e76e 344 IoTHubMessage_Destroy(iothub_message);
Azure.IoT Build 7:07bc440836b3 345 }
Azure.IoT Build 7:07bc440836b3 346
Azure.IoT Build 7:07bc440836b3 347 return result;
Azure.IoT Build 7:07bc440836b3 348 }
Azure.IoT Build 7:07bc440836b3 349
Azure.IoT Build 11:62d7b956e76e 350 static XIO_HANDLE getTLSIOTransport(const char* fqdn, int port)
Azure.IoT Build 7:07bc440836b3 351 {
Azure.IoT Build 10:75c5e0d8537d 352 TLSIO_CONFIG tls_io_config = { fqdn, port };
Azure.IoT Build 10:75c5e0d8537d 353 const IO_INTERFACE_DESCRIPTION* io_interface_description = platform_get_default_tlsio();
Azure.IoT Build 10:75c5e0d8537d 354 return xio_create(io_interface_description, &tls_io_config, NULL);
Azure.IoT Build 7:07bc440836b3 355 }
Azure.IoT Build 7:07bc440836b3 356
Azure.IoT Build 7:07bc440836b3 357 static void destroyConnection(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 358 {
Azure.IoT Build 10:75c5e0d8537d 359 if (transport_state->cbs != NULL)
Azure.IoT Build 7:07bc440836b3 360 {
Azure.IoT Build 10:75c5e0d8537d 361 cbs_destroy(transport_state->cbs);
Azure.IoT Build 10:75c5e0d8537d 362 transport_state->cbs = NULL;
Azure.IoT Build 10:75c5e0d8537d 363 }
Azure.IoT Build 7:07bc440836b3 364
Azure.IoT Build 10:75c5e0d8537d 365 if (transport_state->session != NULL)
Azure.IoT Build 10:75c5e0d8537d 366 {
Azure.IoT Build 10:75c5e0d8537d 367 session_destroy(transport_state->session);
Azure.IoT Build 10:75c5e0d8537d 368 transport_state->session = NULL;
Azure.IoT Build 10:75c5e0d8537d 369 }
Azure.IoT Build 7:07bc440836b3 370
Azure.IoT Build 10:75c5e0d8537d 371 if (transport_state->connection != NULL)
Azure.IoT Build 10:75c5e0d8537d 372 {
Azure.IoT Build 10:75c5e0d8537d 373 connection_destroy(transport_state->connection);
Azure.IoT Build 10:75c5e0d8537d 374 transport_state->connection = NULL;
Azure.IoT Build 10:75c5e0d8537d 375 }
Azure.IoT Build 7:07bc440836b3 376
Azure.IoT Build 10:75c5e0d8537d 377 if (transport_state->sasl_io != NULL)
Azure.IoT Build 10:75c5e0d8537d 378 {
Azure.IoT Build 10:75c5e0d8537d 379 xio_destroy(transport_state->sasl_io);
Azure.IoT Build 10:75c5e0d8537d 380 transport_state->sasl_io = NULL;
Azure.IoT Build 10:75c5e0d8537d 381 }
Azure.IoT Build 7:07bc440836b3 382
Azure.IoT Build 10:75c5e0d8537d 383 if (transport_state->sasl_mechanism != NULL)
Azure.IoT Build 10:75c5e0d8537d 384 {
Azure.IoT Build 10:75c5e0d8537d 385 saslmechanism_destroy(transport_state->sasl_mechanism);
Azure.IoT Build 10:75c5e0d8537d 386 transport_state->sasl_mechanism = NULL;
Azure.IoT Build 10:75c5e0d8537d 387 }
Azure.IoT Build 7:07bc440836b3 388
Azure.IoT Build 10:75c5e0d8537d 389 if (transport_state->tls_io != NULL)
Azure.IoT Build 10:75c5e0d8537d 390 {
Azure.IoT Build 10:75c5e0d8537d 391 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_034: [IoTHubTransportAMQP_Destroy shall destroy the AMQP TLS I/O transport.]
Azure.IoT Build 10:75c5e0d8537d 392 xio_destroy(transport_state->tls_io);
Azure.IoT Build 10:75c5e0d8537d 393 transport_state->tls_io = NULL;
Azure.IoT Build 10:75c5e0d8537d 394 }
Azure.IoT Build 7:07bc440836b3 395 }
Azure.IoT Build 7:07bc440836b3 396
Azure.IoT Build 7:07bc440836b3 397 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 398 {
Azure.IoT Build 10:75c5e0d8537d 399 (void)previous_amqp_management_state;
Azure.IoT Build 10:75c5e0d8537d 400 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)context;
Azure.IoT Build 11:62d7b956e76e 401
Azure.IoT Build 10:75c5e0d8537d 402 if (transport_state != NULL)
Azure.IoT Build 7:07bc440836b3 403 {
Azure.IoT Build 7:07bc440836b3 404 transport_state->connection_state = new_amqp_management_state;
Azure.IoT Build 7:07bc440836b3 405 }
Azure.IoT Build 7:07bc440836b3 406 }
Azure.IoT Build 7:07bc440836b3 407
Azure.IoT Build 7:07bc440836b3 408 static int establishConnection(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 409 {
Azure.IoT Build 7:07bc440836b3 410 int result;
Azure.IoT Build 7:07bc440836b3 411
Azure.IoT Build 7:07bc440836b3 412 // 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 413 if (transport_state->tls_io == NULL &&
Azure.IoT Build 11:62d7b956e76e 414 (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 415 {
Azure.IoT Build 7:07bc440836b3 416 // 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 417 result = RESULT_FAILURE;
Azure.IoT Build 10:75c5e0d8537d 418 LogError("Failed to obtain a TLS I/O transport layer.\r\n");
Azure.IoT Build 7:07bc440836b3 419 }
Azure.IoT Build 10:75c5e0d8537d 420 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_056: [IoTHubTransportAMQP_DoWork shall create the SASL mechanism using AMQP's saslmechanism_create() API]
Azure.IoT Build 7:07bc440836b3 421 else if ((transport_state->sasl_mechanism = saslmechanism_create(saslmssbcbs_get_interface(), NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 422 {
Azure.IoT Build 7:07bc440836b3 423 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_057: [If saslmechanism_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 424 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 425 LogError("Failed to create a SASL mechanism.\r\n");
Azure.IoT Build 7:07bc440836b3 426 }
Azure.IoT Build 7:07bc440836b3 427 else
Azure.IoT Build 7:07bc440836b3 428 {
Azure.IoT Build 7:07bc440836b3 429 // 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 430 SASLCLIENTIO_CONFIG sasl_client_config = { transport_state->tls_io, transport_state->sasl_mechanism };
Azure.IoT Build 7:07bc440836b3 431 if ((transport_state->sasl_io = xio_create(saslclientio_get_interface_description(), &sasl_client_config, NULL)) == NULL)
AzureIoTClient 4:57e049bce51e 432 {
Azure.IoT Build 7:07bc440836b3 433 // 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 434 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 435 LogError("Failed to create a SASL I/O layer.\r\n");
AzureIoTClient 4:57e049bce51e 436 }
Azure.IoT Build 7:07bc440836b3 437 // 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 438 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 439 {
Azure.IoT Build 7:07bc440836b3 440 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_063: [If connection_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately.]
Azure.IoT Build 7:07bc440836b3 441 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 442 LogError("Failed to create the AMQP connection.\r\n");
Azure.IoT Build 7:07bc440836b3 443 }
Azure.IoT Build 7:07bc440836b3 444 // 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 445 else if ((transport_state->session = session_create(transport_state->connection, NULL, NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 446 {
Azure.IoT Build 7:07bc440836b3 447 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_138 : [If session_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 448 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 449 LogError("Failed to create the AMQP session.\r\n");
AzureIoTClient 4:57e049bce51e 450 }
AzureIoTClient 4:57e049bce51e 451 else
AzureIoTClient 4:57e049bce51e 452 {
Azure.IoT Build 10:75c5e0d8537d 453 // 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 454 if (session_set_incoming_window(transport_state->session, (uint32_t)DEFAULT_INCOMING_WINDOW_SIZE) != 0)
Azure.IoT Build 7:07bc440836b3 455 {
Azure.IoT Build 7:07bc440836b3 456 LogError("Failed to set the AMQP incoming window size.\r\n");
Azure.IoT Build 7:07bc440836b3 457 }
Azure.IoT Build 7:07bc440836b3 458
Azure.IoT Build 10:75c5e0d8537d 459 // 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 460 if (session_set_outgoing_window(transport_state->session, DEFAULT_OUTGOING_WINDOW_SIZE) != 0)
Azure.IoT Build 7:07bc440836b3 461 {
Azure.IoT Build 7:07bc440836b3 462 LogError("Failed to set the AMQP outgoing window size.\r\n");
Azure.IoT Build 7:07bc440836b3 463 }
Azure.IoT Build 7:07bc440836b3 464
Azure.IoT Build 7:07bc440836b3 465 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_066: [IoTHubTransportAMQP_DoWork shall establish the CBS connection using the cbs_create() AMQP API]
Azure.IoT Build 7:07bc440836b3 466 if ((transport_state->cbs = cbs_create(transport_state->session, on_amqp_management_state_changed, NULL)) == NULL)
AzureIoTClient 4:57e049bce51e 467 {
Azure.IoT Build 7:07bc440836b3 468 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_067: [If cbs_create() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 469 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 470 LogError("Failed to create the CBS connection.\r\n");
Azure.IoT Build 7:07bc440836b3 471 }
Azure.IoT Build 7:07bc440836b3 472 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_139: [IoTHubTransportAMQP_DoWork shall open the CBS connection using the cbs_open() AMQP API]
Azure.IoT Build 10:75c5e0d8537d 473 else if (cbs_open(transport_state->cbs) != 0)
Azure.IoT Build 7:07bc440836b3 474 {
Azure.IoT Build 7:07bc440836b3 475 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_140: [If cbs_open() fails, IoTHubTransportAMQP_DoWork shall fail and return immediately]
Azure.IoT Build 7:07bc440836b3 476 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 477 LogError("Failed to open the connection with CBS.\r\n");
Azure.IoT Build 7:07bc440836b3 478 }
Azure.IoT Build 7:07bc440836b3 479 else
Azure.IoT Build 7:07bc440836b3 480 {
Azure.IoT Build 7:07bc440836b3 481 transport_state->connection_establish_time = getSecondsSinceEpoch();
Azure.IoT Build 7:07bc440836b3 482 transport_state->cbs_state = CBS_STATE_IDLE;
Azure.IoT Build 7:07bc440836b3 483 result = RESULT_OK;
AzureIoTClient 4:57e049bce51e 484 }
AzureIoTClient 4:57e049bce51e 485 }
AzureIoTClient 4:57e049bce51e 486 }
Azure.IoT Build 7:07bc440836b3 487
Azure.IoT Build 7:07bc440836b3 488 if (result == RESULT_FAILURE)
Azure.IoT Build 7:07bc440836b3 489 {
Azure.IoT Build 7:07bc440836b3 490 destroyConnection(transport_state);
Azure.IoT Build 7:07bc440836b3 491 }
Azure.IoT Build 7:07bc440836b3 492
Azure.IoT Build 7:07bc440836b3 493 return result;
AzureIoTClient 4:57e049bce51e 494 }
AzureIoTClient 4:57e049bce51e 495
Azure.IoT Build 7:07bc440836b3 496 static int startAuthentication(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 497 {
Azure.IoT Build 10:75c5e0d8537d 498 int result;
Azure.IoT Build 7:07bc440836b3 499
Azure.IoT Build 7:07bc440836b3 500 size_t sas_token_create_time = getSecondsSinceEpoch(); // I.e.: NOW, in seconds since epoch.
Azure.IoT Build 11:62d7b956e76e 501
Azure.IoT Build 11:62d7b956e76e 502 // 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 503 size_t new_expiry_time = sas_token_create_time + (transport_state->sas_token_lifetime / 1000);
Azure.IoT Build 7:07bc440836b3 504
Azure.IoT Build 7:07bc440836b3 505 STRING_HANDLE newSASToken = SASToken_Create(transport_state->deviceKey, transport_state->devicesPath, transport_state->sasTokenKeyName, new_expiry_time);
Azure.IoT Build 7:07bc440836b3 506
Azure.IoT Build 7:07bc440836b3 507 if (newSASToken == NULL)
AzureIoTClient 4:57e049bce51e 508 {
Azure.IoT Build 7:07bc440836b3 509 LogError("Could not generate a new SAS token for the CBS\r\n");
Azure.IoT Build 10:75c5e0d8537d 510 result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 511 }
Azure.IoT Build 7:07bc440836b3 512 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 513 {
Azure.IoT Build 7:07bc440836b3 514 LogError("Failed applying new SAS token to CBS\r\n");
Azure.IoT Build 10:75c5e0d8537d 515 result = RESULT_FAILURE;
AzureIoTClient 4:57e049bce51e 516 }
AzureIoTClient 4:57e049bce51e 517 else
AzureIoTClient 4:57e049bce51e 518 {
Azure.IoT Build 7:07bc440836b3 519 transport_state->cbs_state = CBS_STATE_AUTH_IN_PROGRESS;
Azure.IoT Build 7:07bc440836b3 520 transport_state->current_sas_token_create_time = sas_token_create_time;
Azure.IoT Build 7:07bc440836b3 521 result = RESULT_OK;
AzureIoTClient 4:57e049bce51e 522 }
Azure.IoT Build 7:07bc440836b3 523
Azure.IoT Build 7:07bc440836b3 524 // 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 525 if (newSASToken != NULL)
Azure.IoT Build 10:75c5e0d8537d 526 {
Azure.IoT Build 7:07bc440836b3 527 STRING_delete(newSASToken);
Azure.IoT Build 10:75c5e0d8537d 528 }
Azure.IoT Build 7:07bc440836b3 529
AzureIoTClient 4:57e049bce51e 530 return result;
AzureIoTClient 4:57e049bce51e 531 }
AzureIoTClient 4:57e049bce51e 532
Azure.IoT Build 7:07bc440836b3 533 static int verifyAuthenticationTimeout(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 534 {
Azure.IoT Build 7:07bc440836b3 535 return ((getSecondsSinceEpoch() - transport_state->current_sas_token_create_time) * 1000 >= transport_state->cbs_request_timeout) ? RESULT_TIMEOUT : RESULT_OK;
Azure.IoT Build 7:07bc440836b3 536 }
AzureIoTClient 4:57e049bce51e 537
Azure.IoT Build 7:07bc440836b3 538 static void handleEventSendTimeouts(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 539 {
Azure.IoT Build 7:07bc440836b3 540 time_t current_time = get_time(NULL);
Azure.IoT Build 7:07bc440836b3 541 PDLIST_ENTRY entry = transport_state->inProgress.Flink;
Azure.IoT Build 7:07bc440836b3 542
Azure.IoT Build 7:07bc440836b3 543 while (entry != &transport_state->inProgress)
AzureIoTClient 4:57e049bce51e 544 {
Azure.IoT Build 7:07bc440836b3 545 EVENT_TRACKER* event_tracker = containingRecord(entry, EVENT_TRACKER, entry);
Azure.IoT Build 7:07bc440836b3 546
Azure.IoT Build 10:75c5e0d8537d 547 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_085: [IoTHubTransportAMQP_DoWork shall attempt to send all the queued messages for up to 'message_send_timeout' milliseconds]
Azure.IoT Build 7:07bc440836b3 548 if (difftime(current_time, event_tracker->time_sent) * 1000 >= transport_state->message_send_timeout)
Azure.IoT Build 7:07bc440836b3 549 {
Azure.IoT Build 10:75c5e0d8537d 550 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_120: [If a 'message_send_timeout' occurs the timed out events removed from the inProgress and the upper layer notified of the send error]
Azure.IoT Build 7:07bc440836b3 551 on_message_send_complete(event_tracker, MESSAGE_SEND_ERROR);
Azure.IoT Build 7:07bc440836b3 552 }
Azure.IoT Build 7:07bc440836b3 553
Azure.IoT Build 7:07bc440836b3 554 entry = entry->Flink;
AzureIoTClient 4:57e049bce51e 555 }
Azure.IoT Build 7:07bc440836b3 556 }
Azure.IoT Build 7:07bc440836b3 557
Azure.IoT Build 7:07bc440836b3 558 static void attachDeviceClientTypeToLink(LINK_HANDLE link)
Azure.IoT Build 7:07bc440836b3 559 {
Azure.IoT Build 10:75c5e0d8537d 560 fields attach_properties;
Azure.IoT Build 10:75c5e0d8537d 561 AMQP_VALUE deviceClientTypeKeyName;
Azure.IoT Build 10:75c5e0d8537d 562 AMQP_VALUE deviceClientTypeValue;
Azure.IoT Build 7:07bc440836b3 563 int result;
Azure.IoT Build 7:07bc440836b3 564
Azure.IoT Build 7:07bc440836b3 565 //
Azure.IoT Build 7:07bc440836b3 566 // Attempt to add the device client type string to the attach properties.
Azure.IoT Build 7:07bc440836b3 567 // If this doesn't happen, well, this isn't that important. We can operate
Azure.IoT Build 7:07bc440836b3 568 // without this property. It's worth noting that even though we are going
Azure.IoT Build 7:07bc440836b3 569 // on, the reasons any of these operations fail don't bode well for the
Azure.IoT Build 7:07bc440836b3 570 // actual upcoming attach.
Azure.IoT Build 7:07bc440836b3 571 //
Azure.IoT Build 7:07bc440836b3 572
Azure.IoT Build 7:07bc440836b3 573 // 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 574
Azure.IoT Build 7:07bc440836b3 575 if ((attach_properties = amqpvalue_create_map()) == NULL)
AzureIoTClient 4:57e049bce51e 576 {
Azure.IoT Build 7:07bc440836b3 577 LogError("Failed to create the map for device client type.\r\n");
AzureIoTClient 4:57e049bce51e 578 }
Azure.IoT Build 10:75c5e0d8537d 579 else
Azure.IoT Build 7:07bc440836b3 580 {
Azure.IoT Build 10:75c5e0d8537d 581 if ((deviceClientTypeKeyName = amqpvalue_create_symbol("com.microsoft:client-version")) == NULL)
Azure.IoT Build 10:75c5e0d8537d 582 {
Azure.IoT Build 10:75c5e0d8537d 583 LogError("Failed to create the key name for the device client type.\r\n");
Azure.IoT Build 10:75c5e0d8537d 584 }
Azure.IoT Build 10:75c5e0d8537d 585 else
Azure.IoT Build 10:75c5e0d8537d 586 {
Azure.IoT Build 10:75c5e0d8537d 587 if ((deviceClientTypeValue = amqpvalue_create_string(CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION)) == NULL)
Azure.IoT Build 10:75c5e0d8537d 588 {
Azure.IoT Build 10:75c5e0d8537d 589 LogError("Failed to create the key value for the device client type.\r\n");
Azure.IoT Build 10:75c5e0d8537d 590 }
Azure.IoT Build 10:75c5e0d8537d 591 else
Azure.IoT Build 10:75c5e0d8537d 592 {
Azure.IoT Build 10:75c5e0d8537d 593 if ((result = amqpvalue_set_map_value(attach_properties, deviceClientTypeKeyName, deviceClientTypeValue)) != 0)
Azure.IoT Build 10:75c5e0d8537d 594 {
Azure.IoT Build 10:75c5e0d8537d 595 LogError("Failed to set the property map for the device client type. Error code is: %d\r\n", result);
Azure.IoT Build 10:75c5e0d8537d 596 }
Azure.IoT Build 10:75c5e0d8537d 597 else if ((result = link_set_attach_properties(link, attach_properties)) != 0)
Azure.IoT Build 10:75c5e0d8537d 598 {
Azure.IoT Build 10:75c5e0d8537d 599 LogError("Unable to attach the device client type to the link properties. Error code is: %d\r\n", result);
Azure.IoT Build 10:75c5e0d8537d 600 }
Azure.IoT Build 10:75c5e0d8537d 601
Azure.IoT Build 10:75c5e0d8537d 602 amqpvalue_destroy(deviceClientTypeValue);
Azure.IoT Build 10:75c5e0d8537d 603 }
Azure.IoT Build 10:75c5e0d8537d 604
Azure.IoT Build 10:75c5e0d8537d 605 amqpvalue_destroy(deviceClientTypeKeyName);
Azure.IoT Build 10:75c5e0d8537d 606 }
Azure.IoT Build 10:75c5e0d8537d 607
Azure.IoT Build 10:75c5e0d8537d 608 amqpvalue_destroy(attach_properties);
AzureIoTClient 4:57e049bce51e 609 }
Azure.IoT Build 7:07bc440836b3 610 }
Azure.IoT Build 7:07bc440836b3 611
Azure.IoT Build 10:75c5e0d8537d 612 static void destroyEventSender(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 613 {
Azure.IoT Build 7:07bc440836b3 614 if (transport_state->message_sender != NULL)
Azure.IoT Build 7:07bc440836b3 615 {
Azure.IoT Build 7:07bc440836b3 616 messagesender_destroy(transport_state->message_sender);
Azure.IoT Build 7:07bc440836b3 617 transport_state->message_sender = NULL;
Azure.IoT Build 7:07bc440836b3 618
Azure.IoT Build 7:07bc440836b3 619 link_destroy(transport_state->sender_link);
Azure.IoT Build 7:07bc440836b3 620 transport_state->sender_link = NULL;
AzureIoTClient 4:57e049bce51e 621 }
AzureIoTClient 4:57e049bce51e 622 }
AzureIoTClient 4:57e049bce51e 623
Azure.IoT Build 7:07bc440836b3 624 static int createEventSender(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 625 {
Azure.IoT Build 7:07bc440836b3 626 int result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 627
Azure.IoT Build 7:07bc440836b3 628 if (transport_state->message_sender == NULL)
AzureIoTClient 4:57e049bce51e 629 {
Azure.IoT Build 7:07bc440836b3 630 AMQP_VALUE source = NULL;
Azure.IoT Build 7:07bc440836b3 631 AMQP_VALUE target = NULL;
Azure.IoT Build 7:07bc440836b3 632
Azure.IoT Build 10:75c5e0d8537d 633 // 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 634 if ((source = messaging_create_source(MESSAGE_SENDER_SOURCE_ADDRESS)) == NULL)
AzureIoTClient 4:57e049bce51e 635 {
Azure.IoT Build 7:07bc440836b3 636 LogError("Failed creating AMQP messaging source attribute.\r\n");
AzureIoTClient 4:57e049bce51e 637 }
Azure.IoT Build 7:07bc440836b3 638 else if ((target = messaging_create_target(STRING_c_str(transport_state->targetAddress))) == NULL)
AzureIoTClient 4:57e049bce51e 639 {
Azure.IoT Build 7:07bc440836b3 640 LogError("Failed creating AMQP messaging target attribute.\r\n");
Azure.IoT Build 7:07bc440836b3 641 }
Azure.IoT Build 7:07bc440836b3 642 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 643 {
Azure.IoT Build 7:07bc440836b3 644 // 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 645 LogError("Failed creating AMQP link for message sender.\r\n");
AzureIoTClient 4:57e049bce51e 646 }
AzureIoTClient 4:57e049bce51e 647 else
AzureIoTClient 4:57e049bce51e 648 {
Azure.IoT Build 10:75c5e0d8537d 649 // 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 650 if (link_set_max_message_size(transport_state->sender_link, MESSAGE_SENDER_MAX_LINK_SIZE) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 651 {
Azure.IoT Build 7:07bc440836b3 652 LogError("Failed setting AMQP link max message size.\r\n");
Azure.IoT Build 7:07bc440836b3 653 }
Azure.IoT Build 7:07bc440836b3 654
Azure.IoT Build 7:07bc440836b3 655 attachDeviceClientTypeToLink(transport_state->sender_link);
Azure.IoT Build 7:07bc440836b3 656
Azure.IoT Build 7:07bc440836b3 657 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_070: [IoTHubTransportAMQP_DoWork shall create the AMQP message sender using messagesender_create() AMQP API]
Azure.IoT Build 7:07bc440836b3 658 if ((transport_state->message_sender = messagesender_create(transport_state->sender_link, NULL, NULL, NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 659 {
Azure.IoT Build 7:07bc440836b3 660 // 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 661 LogError("Could not allocate AMQP message sender\r\n");
Azure.IoT Build 7:07bc440836b3 662 }
Azure.IoT Build 7:07bc440836b3 663 else
Azure.IoT Build 7:07bc440836b3 664 {
Azure.IoT Build 7:07bc440836b3 665 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_072: [IoTHubTransportAMQP_DoWork shall open the AMQP message sender using messagesender_open() AMQP API]
Azure.IoT Build 7:07bc440836b3 666 if (messagesender_open(transport_state->message_sender) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 667 {
Azure.IoT Build 7:07bc440836b3 668 // 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 669 LogError("Failed opening the AMQP message sender.\r\n");
Azure.IoT Build 7:07bc440836b3 670 }
Azure.IoT Build 7:07bc440836b3 671 else
Azure.IoT Build 7:07bc440836b3 672 {
Azure.IoT Build 7:07bc440836b3 673 result = RESULT_OK;
Azure.IoT Build 7:07bc440836b3 674 }
Azure.IoT Build 7:07bc440836b3 675 }
AzureIoTClient 4:57e049bce51e 676 }
Azure.IoT Build 7:07bc440836b3 677
Azure.IoT Build 7:07bc440836b3 678 if (source != NULL)
Azure.IoT Build 7:07bc440836b3 679 amqpvalue_destroy(source);
Azure.IoT Build 7:07bc440836b3 680 if (target != NULL)
Azure.IoT Build 7:07bc440836b3 681 amqpvalue_destroy(target);
AzureIoTClient 4:57e049bce51e 682 }
Azure.IoT Build 11:62d7b956e76e 683
Azure.IoT Build 7:07bc440836b3 684 return result;
AzureIoTClient 4:57e049bce51e 685 }
Azure.IoT Build 7:07bc440836b3 686
Azure.IoT Build 7:07bc440836b3 687 static int destroyMessageReceiver(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 688 {
Azure.IoT Build 7:07bc440836b3 689 int result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 690
Azure.IoT Build 7:07bc440836b3 691 if (transport_state->message_receiver != NULL)
AzureIoTClient 4:57e049bce51e 692 {
Azure.IoT Build 7:07bc440836b3 693 if (messagereceiver_close(transport_state->message_receiver) != RESULT_OK)
AzureIoTClient 4:57e049bce51e 694 {
Azure.IoT Build 7:07bc440836b3 695 LogError("Failed closing the AMQP message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 696 }
Azure.IoT Build 7:07bc440836b3 697
Azure.IoT Build 7:07bc440836b3 698 messagereceiver_destroy(transport_state->message_receiver);
Azure.IoT Build 7:07bc440836b3 699
Azure.IoT Build 7:07bc440836b3 700 transport_state->message_receiver = NULL;
Azure.IoT Build 7:07bc440836b3 701
Azure.IoT Build 7:07bc440836b3 702 link_destroy(transport_state->receiver_link);
Azure.IoT Build 7:07bc440836b3 703
Azure.IoT Build 7:07bc440836b3 704 transport_state->receiver_link = NULL;
Azure.IoT Build 7:07bc440836b3 705
Azure.IoT Build 7:07bc440836b3 706 result = RESULT_OK;
Azure.IoT Build 7:07bc440836b3 707 }
Azure.IoT Build 7:07bc440836b3 708
Azure.IoT Build 7:07bc440836b3 709 return result;
Azure.IoT Build 7:07bc440836b3 710 }
Azure.IoT Build 7:07bc440836b3 711
Azure.IoT Build 7:07bc440836b3 712 static int createMessageReceiver(AMQP_TRANSPORT_INSTANCE* transport_state, IOTHUB_CLIENT_LL_HANDLE iothub_client_handle)
Azure.IoT Build 7:07bc440836b3 713 {
Azure.IoT Build 7:07bc440836b3 714 int result = RESULT_FAILURE;
Azure.IoT Build 7:07bc440836b3 715
Azure.IoT Build 7:07bc440836b3 716 if (transport_state->message_sender == NULL)
Azure.IoT Build 7:07bc440836b3 717 {
Azure.IoT Build 7:07bc440836b3 718 AMQP_VALUE source = NULL;
Azure.IoT Build 7:07bc440836b3 719 AMQP_VALUE target = NULL;
Azure.IoT Build 7:07bc440836b3 720
Azure.IoT Build 10:75c5e0d8537d 721 // 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 722 if ((source = messaging_create_source(STRING_c_str(transport_state->messageReceiveAddress))) == NULL)
Azure.IoT Build 7:07bc440836b3 723 {
Azure.IoT Build 7:07bc440836b3 724 LogError("Failed creating AMQP message receiver source attribute.\r\n");
Azure.IoT Build 7:07bc440836b3 725 }
Azure.IoT Build 7:07bc440836b3 726 else if ((target = messaging_create_target(MESSAGE_RECEIVER_TARGET_ADDRESS)) == NULL)
Azure.IoT Build 7:07bc440836b3 727 {
Azure.IoT Build 7:07bc440836b3 728 LogError("Failed creating AMQP message receiver target attribute.\r\n");
Azure.IoT Build 7:07bc440836b3 729 }
Azure.IoT Build 7:07bc440836b3 730 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 731 {
Azure.IoT Build 7:07bc440836b3 732 // 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 733 LogError("Failed creating AMQP link for message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 734 }
Azure.IoT Build 7:07bc440836b3 735 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_076: [IoTHubTransportAMQP_DoWork shall set the receiver link settle mode as receiver_settle_mode_first]
Azure.IoT Build 7:07bc440836b3 736 else if (link_set_rcv_settle_mode(transport_state->receiver_link, receiver_settle_mode_first) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 737 {
Azure.IoT Build 7:07bc440836b3 738 // 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 739 LogError("Failed setting AMQP link settle mode for message receiver.\r\n");
AzureIoTClient 4:57e049bce51e 740 }
AzureIoTClient 4:57e049bce51e 741 else
AzureIoTClient 4:57e049bce51e 742 {
Azure.IoT Build 10:75c5e0d8537d 743 // 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 744 if (link_set_max_message_size(transport_state->receiver_link, MESSAGE_RECEIVER_MAX_LINK_SIZE) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 745 {
Azure.IoT Build 7:07bc440836b3 746 LogError("Failed setting AMQP link max message size for message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 747 }
Azure.IoT Build 7:07bc440836b3 748
Azure.IoT Build 7:07bc440836b3 749 attachDeviceClientTypeToLink(transport_state->receiver_link);
AzureIoTClient 4:57e049bce51e 750
Azure.IoT Build 7:07bc440836b3 751 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_077: [IoTHubTransportAMQP_DoWork shall create the AMQP message receiver using messagereceiver_create() AMQP API]
Azure.IoT Build 7:07bc440836b3 752 if ((transport_state->message_receiver = messagereceiver_create(transport_state->receiver_link, NULL, NULL)) == NULL)
Azure.IoT Build 7:07bc440836b3 753 {
Azure.IoT Build 7:07bc440836b3 754 // 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 755 LogError("Could not allocate AMQP message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 756 }
Azure.IoT Build 7:07bc440836b3 757 else
AzureIoTClient 4:57e049bce51e 758 {
Azure.IoT Build 7:07bc440836b3 759 // 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 760 // 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 761 if (messagereceiver_open(transport_state->message_receiver, on_message_received, (const void*)iothub_client_handle) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 762 {
Azure.IoT Build 7:07bc440836b3 763 // 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 764 LogError("Failed opening the AMQP message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 765 }
Azure.IoT Build 7:07bc440836b3 766 else
Azure.IoT Build 7:07bc440836b3 767 {
Azure.IoT Build 7:07bc440836b3 768 result = RESULT_OK;
Azure.IoT Build 7:07bc440836b3 769 }
AzureIoTClient 4:57e049bce51e 770 }
AzureIoTClient 4:57e049bce51e 771 }
Azure.IoT Build 7:07bc440836b3 772
Azure.IoT Build 7:07bc440836b3 773 if (source != NULL)
Azure.IoT Build 7:07bc440836b3 774 amqpvalue_destroy(source);
Azure.IoT Build 7:07bc440836b3 775 if (target != NULL)
Azure.IoT Build 7:07bc440836b3 776 amqpvalue_destroy(target);
AzureIoTClient 4:57e049bce51e 777 }
Azure.IoT Build 7:07bc440836b3 778
Azure.IoT Build 7:07bc440836b3 779 return result;
AzureIoTClient 4:57e049bce51e 780 }
AzureIoTClient 4:57e049bce51e 781
Azure.IoT Build 10:75c5e0d8537d 782 static int addPropertiesTouAMQPMessage(IOTHUB_MESSAGE_HANDLE iothub_message_handle, MESSAGE_HANDLE uamqp_message)
Azure.IoT Build 10:75c5e0d8537d 783 {
Azure.IoT Build 10:75c5e0d8537d 784 int result;
Azure.IoT Build 10:75c5e0d8537d 785 MAP_HANDLE properties_map;
Azure.IoT Build 10:75c5e0d8537d 786 const char* const* propertyKeys;
Azure.IoT Build 10:75c5e0d8537d 787 const char* const* propertyValues;
Azure.IoT Build 10:75c5e0d8537d 788 size_t propertyCount;
Azure.IoT Build 10:75c5e0d8537d 789
Azure.IoT Build 10:75c5e0d8537d 790 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_007: [The IoTHub message properties shall be obtained by calling IoTHubMessage_Properties.] */
Azure.IoT Build 10:75c5e0d8537d 791 properties_map = IoTHubMessage_Properties(iothub_message_handle);
Azure.IoT Build 10:75c5e0d8537d 792 if (properties_map == NULL)
Azure.IoT Build 10:75c5e0d8537d 793 {
Azure.IoT Build 10:75c5e0d8537d 794 /* 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 795 LogError("Failed to get property map from IoTHub message.\r\n");
Azure.IoT Build 10:75c5e0d8537d 796 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 797 }
Azure.IoT Build 10:75c5e0d8537d 798 /* 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 799 else if (Map_GetInternals(properties_map, &propertyKeys, &propertyValues, &propertyCount) != MAP_OK)
Azure.IoT Build 10:75c5e0d8537d 800 {
Azure.IoT Build 10:75c5e0d8537d 801 /* 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 802 LogError("Failed to get the internals of the property map.\r\n");
Azure.IoT Build 10:75c5e0d8537d 803 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 804 }
Azure.IoT Build 10:75c5e0d8537d 805 else
Azure.IoT Build 10:75c5e0d8537d 806 {
Azure.IoT Build 10:75c5e0d8537d 807 /* 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 808 if (propertyCount != 0)
Azure.IoT Build 10:75c5e0d8537d 809 {
Azure.IoT Build 10:75c5e0d8537d 810 size_t i;
Azure.IoT Build 10:75c5e0d8537d 811 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_009: [The uAMQP map shall be created by calling amqpvalue_create_map.] */
Azure.IoT Build 10:75c5e0d8537d 812 AMQP_VALUE uamqp_map = amqpvalue_create_map();
Azure.IoT Build 10:75c5e0d8537d 813 if (uamqp_map == NULL)
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 create uAMQP map for the properties.\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 for (i = 0; i < propertyCount; i++)
Azure.IoT Build 10:75c5e0d8537d 822 {
Azure.IoT Build 10:75c5e0d8537d 823 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_010: [A key uAMQP value shall be created by using amqpvalue_create_string.] */
Azure.IoT Build 10:75c5e0d8537d 824 AMQP_VALUE map_key_value = amqpvalue_create_string(propertyKeys[i]);
Azure.IoT Build 10:75c5e0d8537d 825 if (map_key_value == NULL)
Azure.IoT Build 10:75c5e0d8537d 826 {
Azure.IoT Build 10:75c5e0d8537d 827 /* 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 828 LogError("Failed to create uAMQP property key value.\r\n");
Azure.IoT Build 10:75c5e0d8537d 829 break;
Azure.IoT Build 10:75c5e0d8537d 830 }
Azure.IoT Build 10:75c5e0d8537d 831
Azure.IoT Build 10:75c5e0d8537d 832 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_011: [A value uAMQP value shall be created by using amqpvalue_create_string.] */
Azure.IoT Build 10:75c5e0d8537d 833 AMQP_VALUE map_value_value = amqpvalue_create_string(propertyValues[i]);
Azure.IoT Build 10:75c5e0d8537d 834 if (map_value_value == NULL)
Azure.IoT Build 10:75c5e0d8537d 835 {
Azure.IoT Build 10:75c5e0d8537d 836 amqpvalue_destroy(map_key_value);
Azure.IoT Build 10:75c5e0d8537d 837 /* 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 838 LogError("Failed to create uAMQP property key value.\r\n");
Azure.IoT Build 10:75c5e0d8537d 839 break;
Azure.IoT Build 10:75c5e0d8537d 840 }
Azure.IoT Build 10:75c5e0d8537d 841
Azure.IoT Build 10:75c5e0d8537d 842 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_01_008: [All properties shall be transferred to a uAMQP map.] */
Azure.IoT Build 10:75c5e0d8537d 843 /* 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 844 if (amqpvalue_set_map_value(uamqp_map, map_key_value, map_value_value) != 0)
Azure.IoT Build 10:75c5e0d8537d 845 {
Azure.IoT Build 10:75c5e0d8537d 846 amqpvalue_destroy(map_key_value);
Azure.IoT Build 10:75c5e0d8537d 847 amqpvalue_destroy(map_value_value);
Azure.IoT Build 10:75c5e0d8537d 848 /* 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 849 LogError("Failed to create uAMQP property key value.\r\n");
Azure.IoT Build 10:75c5e0d8537d 850 break;
Azure.IoT Build 10:75c5e0d8537d 851 }
Azure.IoT Build 10:75c5e0d8537d 852
Azure.IoT Build 10:75c5e0d8537d 853 amqpvalue_destroy(map_key_value);
Azure.IoT Build 10:75c5e0d8537d 854 amqpvalue_destroy(map_value_value);
Azure.IoT Build 10:75c5e0d8537d 855 }
Azure.IoT Build 10:75c5e0d8537d 856
Azure.IoT Build 10:75c5e0d8537d 857 if (i < propertyCount)
Azure.IoT Build 10:75c5e0d8537d 858 {
Azure.IoT Build 10:75c5e0d8537d 859 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 860 }
Azure.IoT Build 10:75c5e0d8537d 861 else
Azure.IoT Build 10:75c5e0d8537d 862 {
Azure.IoT Build 10:75c5e0d8537d 863 /* 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 864 if (message_set_application_properties(uamqp_message, uamqp_map) != 0)
Azure.IoT Build 10:75c5e0d8537d 865 {
Azure.IoT Build 10:75c5e0d8537d 866 /* 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 867 LogError("Failed to transfer the message properties to the uAMQP message.\r\n");
Azure.IoT Build 10:75c5e0d8537d 868 result = __LINE__;
Azure.IoT Build 10:75c5e0d8537d 869 }
Azure.IoT Build 10:75c5e0d8537d 870 else
Azure.IoT Build 10:75c5e0d8537d 871 {
Azure.IoT Build 10:75c5e0d8537d 872 result = 0;
Azure.IoT Build 10:75c5e0d8537d 873 }
Azure.IoT Build 10:75c5e0d8537d 874 }
Azure.IoT Build 10:75c5e0d8537d 875
Azure.IoT Build 10:75c5e0d8537d 876 amqpvalue_destroy(uamqp_map);
Azure.IoT Build 10:75c5e0d8537d 877 }
Azure.IoT Build 10:75c5e0d8537d 878 }
Azure.IoT Build 10:75c5e0d8537d 879 else
Azure.IoT Build 10:75c5e0d8537d 880 {
Azure.IoT Build 10:75c5e0d8537d 881 result = 0;
Azure.IoT Build 10:75c5e0d8537d 882 }
Azure.IoT Build 10:75c5e0d8537d 883 }
Azure.IoT Build 10:75c5e0d8537d 884
Azure.IoT Build 10:75c5e0d8537d 885 return result;
Azure.IoT Build 10:75c5e0d8537d 886 }
Azure.IoT Build 10:75c5e0d8537d 887
Azure.IoT Build 7:07bc440836b3 888 static int sendPendingEvents(AMQP_TRANSPORT_INSTANCE* transport_state)
AzureIoTClient 4:57e049bce51e 889 {
Azure.IoT Build 7:07bc440836b3 890 int result = RESULT_OK;
Azure.IoT Build 10:75c5e0d8537d 891 IOTHUB_MESSAGE_LIST* message;
Azure.IoT Build 7:07bc440836b3 892
Azure.IoT Build 7:07bc440836b3 893 while ((message = getNextEventToSend(transport_state)) != NULL)
AzureIoTClient 4:57e049bce51e 894 {
Azure.IoT Build 7:07bc440836b3 895 result = RESULT_FAILURE;
Azure.IoT Build 11:62d7b956e76e 896
Azure.IoT Build 7:07bc440836b3 897 IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
Azure.IoT Build 10:75c5e0d8537d 898 const unsigned char* messageContent;
Azure.IoT Build 10:75c5e0d8537d 899 size_t messageContentSize;
Azure.IoT Build 7:07bc440836b3 900 MESSAGE_HANDLE amqp_message;
Azure.IoT Build 7:07bc440836b3 901 bool is_message_error = false;
Azure.IoT Build 7:07bc440836b3 902 EVENT_TRACKER* event_tracker;
Azure.IoT Build 7:07bc440836b3 903
Azure.IoT Build 10:75c5e0d8537d 904 // 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 7:07bc440836b3 905 if ((event_tracker = trackEvent(message, transport_state)) == NULL)
Azure.IoT Build 7:07bc440836b3 906 {
Azure.IoT Build 7:07bc440836b3 907 LogError("Failed tracking the event to be sent.\r\n");
Azure.IoT Build 7:07bc440836b3 908 }
Azure.IoT Build 7:07bc440836b3 909 // 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 11:62d7b956e76e 910 else if (contentType == IOTHUBMESSAGE_BYTEARRAY &&
Azure.IoT Build 7:07bc440836b3 911 IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &messageContentSize) != IOTHUB_MESSAGE_OK)
AzureIoTClient 4:57e049bce51e 912 {
Azure.IoT Build 7:07bc440836b3 913 LogError("Failed getting the BYTE array representation of the event content to be sent.\r\n");
Azure.IoT Build 7:07bc440836b3 914 is_message_error = true;
Azure.IoT Build 7:07bc440836b3 915 }
Azure.IoT Build 7:07bc440836b3 916 // 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 917 // 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 918 else if (contentType == IOTHUBMESSAGE_STRING &&
Azure.IoT Build 10:75c5e0d8537d 919 ((messageContent = IoTHubMessage_GetString(message->messageHandle)) == NULL))
Azure.IoT Build 7:07bc440836b3 920 {
Azure.IoT Build 7:07bc440836b3 921 LogError("Failed getting the STRING representation of the event content to be sent.\r\n");
Azure.IoT Build 7:07bc440836b3 922 is_message_error = true;
AzureIoTClient 4:57e049bce51e 923 }
Azure.IoT Build 7:07bc440836b3 924 // 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 925 else if (contentType == IOTHUBMESSAGE_UNKNOWN)
AzureIoTClient 4:57e049bce51e 926 {
Azure.IoT Build 7:07bc440836b3 927 LogError("Cannot send events with content type IOTHUBMESSAGE_UNKNOWN.\r\n");
Azure.IoT Build 7:07bc440836b3 928 is_message_error = true;
Azure.IoT Build 7:07bc440836b3 929 }
Azure.IoT Build 10:75c5e0d8537d 930 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_093: [IoTHubTransportAMQP_DoWork shall create an amqp message using message_create() uAMQP API]
Azure.IoT Build 7:07bc440836b3 931 else if ((amqp_message = message_create()) == NULL)
Azure.IoT Build 7:07bc440836b3 932 {
Azure.IoT Build 7:07bc440836b3 933 LogError("Failed allocating the AMQP message for sending the event.\r\n");
AzureIoTClient 4:57e049bce51e 934 }
AzureIoTClient 4:57e049bce51e 935 else
AzureIoTClient 4:57e049bce51e 936 {
Azure.IoT Build 10:75c5e0d8537d 937 BINARY_DATA binary_data;
Azure.IoT Build 10:75c5e0d8537d 938
Azure.IoT Build 10:75c5e0d8537d 939 if (contentType == IOTHUBMESSAGE_STRING)
Azure.IoT Build 10:75c5e0d8537d 940 {
Azure.IoT Build 10:75c5e0d8537d 941 messageContentSize = strlen(messageContent);
Azure.IoT Build 10:75c5e0d8537d 942 }
Azure.IoT Build 10:75c5e0d8537d 943
Azure.IoT Build 10:75c5e0d8537d 944 binary_data.bytes = messageContent;
Azure.IoT Build 10:75c5e0d8537d 945 binary_data.length = messageContentSize;
Azure.IoT Build 11:62d7b956e76e 946
Azure.IoT Build 10:75c5e0d8537d 947 // 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 948 if (message_add_body_amqp_data(amqp_message, binary_data) != RESULT_OK)
AzureIoTClient 4:57e049bce51e 949 {
Azure.IoT Build 7:07bc440836b3 950 LogError("Failed setting the body of the AMQP message.\r\n");
AzureIoTClient 4:57e049bce51e 951 }
Azure.IoT Build 7:07bc440836b3 952 else
AzureIoTClient 4:57e049bce51e 953 {
Azure.IoT Build 10:75c5e0d8537d 954 if (addPropertiesTouAMQPMessage(message->messageHandle, amqp_message) != 0)
Azure.IoT Build 7:07bc440836b3 955 {
Azure.IoT Build 10:75c5e0d8537d 956 /* 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 957 is_message_error = true;
Azure.IoT Build 7:07bc440836b3 958 }
Azure.IoT Build 7:07bc440836b3 959 else
Azure.IoT Build 7:07bc440836b3 960 {
Azure.IoT Build 10:75c5e0d8537d 961 // 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 10:75c5e0d8537d 962 if (messagesender_send(transport_state->message_sender, amqp_message, on_message_send_complete, event_tracker) != RESULT_OK)
Azure.IoT Build 10:75c5e0d8537d 963 {
Azure.IoT Build 10:75c5e0d8537d 964 LogError("Failed sending the AMQP message.\r\n");
Azure.IoT Build 10:75c5e0d8537d 965 }
Azure.IoT Build 10:75c5e0d8537d 966 else
Azure.IoT Build 10:75c5e0d8537d 967 {
Azure.IoT Build 10:75c5e0d8537d 968 result = RESULT_OK;
Azure.IoT Build 10:75c5e0d8537d 969 }
Azure.IoT Build 7:07bc440836b3 970 }
AzureIoTClient 4:57e049bce51e 971 }
Azure.IoT Build 7:07bc440836b3 972 }
Azure.IoT Build 7:07bc440836b3 973
Azure.IoT Build 7:07bc440836b3 974 if (amqp_message != NULL)
Azure.IoT Build 7:07bc440836b3 975 {
Azure.IoT Build 7:07bc440836b3 976 // It can be destroyed because AMQP keeps a clone of the message.
Azure.IoT Build 7:07bc440836b3 977 message_destroy(amqp_message);
Azure.IoT Build 7:07bc440836b3 978 }
Azure.IoT Build 7:07bc440836b3 979
Azure.IoT Build 7:07bc440836b3 980 if (result != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 981 {
Azure.IoT Build 7:07bc440836b3 982 if (event_tracker == NULL)
AzureIoTClient 5:8d58d20699dd 983 {
AzureIoTClient 5:8d58d20699dd 984 break;
AzureIoTClient 5:8d58d20699dd 985 }
AzureIoTClient 4:57e049bce51e 986 else
AzureIoTClient 4:57e049bce51e 987 {
Azure.IoT Build 7:07bc440836b3 988 // 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 7:07bc440836b3 989 // 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 7:07bc440836b3 990 if (is_message_error)
AzureIoTClient 4:57e049bce51e 991 {
Azure.IoT Build 7:07bc440836b3 992 on_message_send_complete(event_tracker, MESSAGE_SEND_ERROR);
AzureIoTClient 4:57e049bce51e 993 }
AzureIoTClient 4:57e049bce51e 994 else
AzureIoTClient 4:57e049bce51e 995 {
Azure.IoT Build 7:07bc440836b3 996 // 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 7:07bc440836b3 997 // 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 7:07bc440836b3 998 // 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 7:07bc440836b3 999 rollEventBackToWaitList(event_tracker, transport_state);
Azure.IoT Build 7:07bc440836b3 1000 break;
AzureIoTClient 4:57e049bce51e 1001 }
AzureIoTClient 4:57e049bce51e 1002 }
AzureIoTClient 4:57e049bce51e 1003 }
AzureIoTClient 4:57e049bce51e 1004 }
Azure.IoT Build 7:07bc440836b3 1005
Azure.IoT Build 7:07bc440836b3 1006 return result;
Azure.IoT Build 7:07bc440836b3 1007 }
Azure.IoT Build 7:07bc440836b3 1008
Azure.IoT Build 7:07bc440836b3 1009 static bool isSasTokenRefreshRequired(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 1010 {
Azure.IoT Build 7:07bc440836b3 1011 return ((getSecondsSinceEpoch() - transport_state->current_sas_token_create_time) >= (transport_state->sas_token_refresh_time / 1000)) ? true : false;
Azure.IoT Build 7:07bc440836b3 1012 }
Azure.IoT Build 7:07bc440836b3 1013
Azure.IoT Build 7:07bc440836b3 1014 static void prepareForConnectionRetry(AMQP_TRANSPORT_INSTANCE* transport_state)
Azure.IoT Build 7:07bc440836b3 1015 {
Azure.IoT Build 7:07bc440836b3 1016 destroyConnection(transport_state);
Azure.IoT Build 7:07bc440836b3 1017 rollEventsBackToWaitList(transport_state);
AzureIoTClient 4:57e049bce51e 1018 }
AzureIoTClient 4:57e049bce51e 1019
Azure.IoT Build 7:07bc440836b3 1020
Azure.IoT Build 7:07bc440836b3 1021 // API functions
Azure.IoT Build 7:07bc440836b3 1022
Azure.IoT Build 11:62d7b956e76e 1023 static TRANSPORT_LL_HANDLE IoTHubTransportAMQP_Create(const IOTHUBTRANSPORT_CONFIG* config)
AzureIoTClient 4:57e049bce51e 1024 {
Azure.IoT Build 7:07bc440836b3 1025 AMQP_TRANSPORT_INSTANCE* transport_state = NULL;
Azure.IoT Build 7:07bc440836b3 1026 bool cleanup_required = false;
Azure.IoT Build 10:75c5e0d8537d 1027 size_t deviceIdLength;
AzureIoTClient 4:57e049bce51e 1028
Azure.IoT Build 7:07bc440836b3 1029 // 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 1030 if (config == NULL || config->upperConfig == NULL || config->waitingToSend == NULL)
Azure.IoT Build 7:07bc440836b3 1031 {
Azure.IoT Build 7:07bc440836b3 1032 LogError("IoTHub AMQP client transport null configuration parameter.\r\n");
Azure.IoT Build 7:07bc440836b3 1033 }
Azure.IoT Build 7:07bc440836b3 1034 // 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 1035 else if (config->upperConfig->protocol == NULL)
Azure.IoT Build 7:07bc440836b3 1036 {
Azure.IoT Build 7:07bc440836b3 1037 LogError("Invalid configuration (NULL protocol detected)\r\n");
Azure.IoT Build 7:07bc440836b3 1038 }
Azure.IoT Build 7:07bc440836b3 1039 else if (config->upperConfig->deviceId == NULL)
Azure.IoT Build 7:07bc440836b3 1040 {
Azure.IoT Build 7:07bc440836b3 1041 LogError("Invalid configuration (NULL deviceId detected)\r\n");
Azure.IoT Build 7:07bc440836b3 1042 }
Azure.IoT Build 7:07bc440836b3 1043 else if (config->upperConfig->deviceKey == NULL)
Azure.IoT Build 7:07bc440836b3 1044 {
Azure.IoT Build 7:07bc440836b3 1045 LogError("Invalid configuration (NULL deviceKey detected)\r\n");
Azure.IoT Build 7:07bc440836b3 1046 }
Azure.IoT Build 7:07bc440836b3 1047 else if (config->upperConfig->iotHubName == NULL)
Azure.IoT Build 7:07bc440836b3 1048 {
Azure.IoT Build 7:07bc440836b3 1049 LogError("Invalid configuration (NULL iotHubName detected)\r\n");
AzureIoTClient 4:57e049bce51e 1050 }
Azure.IoT Build 7:07bc440836b3 1051 else if (config->upperConfig->iotHubSuffix == NULL)
Azure.IoT Build 7:07bc440836b3 1052 {
Azure.IoT Build 7:07bc440836b3 1053 LogError("Invalid configuration (NULL iotHubSuffix detected)\r\n");
Azure.IoT Build 7:07bc440836b3 1054 }
Azure.IoT Build 7:07bc440836b3 1055 else if (!config->waitingToSend)
AzureIoTClient 4:57e049bce51e 1056 {
Azure.IoT Build 7:07bc440836b3 1057 LogError("Invalid configuration (NULL waitingToSend list detected)\r\n");
Azure.IoT Build 7:07bc440836b3 1058 }
Azure.IoT Build 7:07bc440836b3 1059 // 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 1060 else if ((deviceIdLength = strlen(config->upperConfig->deviceId)) == 0 ||
Azure.IoT Build 7:07bc440836b3 1061 (strlen(config->upperConfig->deviceKey) == 0) ||
Azure.IoT Build 7:07bc440836b3 1062 (strlen(config->upperConfig->iotHubName) == 0) ||
Azure.IoT Build 7:07bc440836b3 1063 (strlen(config->upperConfig->iotHubSuffix) == 0))
Azure.IoT Build 7:07bc440836b3 1064 {
Azure.IoT Build 7:07bc440836b3 1065 LogError("Zero-length config parameter (deviceId, deviceKey, iotHubName or iotHubSuffix)\r\n");
Azure.IoT Build 7:07bc440836b3 1066 }
Azure.IoT Build 7:07bc440836b3 1067 // 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 1068 else if (deviceIdLength > 128U)
Azure.IoT Build 7:07bc440836b3 1069 {
Azure.IoT Build 7:07bc440836b3 1070 LogError("deviceId is too long\r\n");
Azure.IoT Build 7:07bc440836b3 1071 }
Azure.IoT Build 7:07bc440836b3 1072 // 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 1073 else if ((strlen(config->upperConfig->iotHubName) + strlen(config->upperConfig->iotHubSuffix)) > (RFC1035_MAX_FQDN_LENGTH - 1))
Azure.IoT Build 7:07bc440836b3 1074 {
Azure.IoT Build 7:07bc440836b3 1075 LogError("The lengths of iotHubName and iotHubSuffix together exceed the maximum FQDN length allowed (RFC 1035)\r\n");
AzureIoTClient 4:57e049bce51e 1076 }
AzureIoTClient 4:57e049bce51e 1077 else
AzureIoTClient 4:57e049bce51e 1078 {
Azure.IoT Build 10:75c5e0d8537d 1079 // 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 1080 transport_state = (AMQP_TRANSPORT_INSTANCE*)malloc(sizeof(AMQP_TRANSPORT_INSTANCE));
AzureIoTClient 4:57e049bce51e 1081
Azure.IoT Build 7:07bc440836b3 1082 if (transport_state == NULL)
AzureIoTClient 4:57e049bce51e 1083 {
AzureIoTClient 4:57e049bce51e 1084 LogError("Could not allocate AMQP transport state\r\n");
AzureIoTClient 4:57e049bce51e 1085 }
AzureIoTClient 4:57e049bce51e 1086 else
AzureIoTClient 4:57e049bce51e 1087 {
Azure.IoT Build 7:07bc440836b3 1088 transport_state->iotHubHostFqdn = NULL;
Azure.IoT Build 7:07bc440836b3 1089 transport_state->iotHubPort = DEFAULT_IOTHUB_AMQP_PORT;
Azure.IoT Build 7:07bc440836b3 1090 transport_state->deviceKey = NULL;
Azure.IoT Build 7:07bc440836b3 1091 transport_state->devicesPath = NULL;
Azure.IoT Build 7:07bc440836b3 1092 transport_state->messageReceiveAddress = NULL;
Azure.IoT Build 7:07bc440836b3 1093 transport_state->sasTokenKeyName = NULL;
Azure.IoT Build 7:07bc440836b3 1094 transport_state->targetAddress = NULL;
Azure.IoT Build 7:07bc440836b3 1095 transport_state->waitingToSend = config->waitingToSend;
Azure.IoT Build 7:07bc440836b3 1096
Azure.IoT Build 7:07bc440836b3 1097 transport_state->cbs = NULL;
Azure.IoT Build 7:07bc440836b3 1098 transport_state->cbs_state = CBS_STATE_IDLE;
Azure.IoT Build 7:07bc440836b3 1099 transport_state->current_sas_token_create_time = 0;
Azure.IoT Build 7:07bc440836b3 1100 transport_state->connection = NULL;
Azure.IoT Build 7:07bc440836b3 1101 transport_state->connection_state = AMQP_MANAGEMENT_STATE_IDLE;
Azure.IoT Build 7:07bc440836b3 1102 transport_state->connection_establish_time = 0;
Azure.IoT Build 7:07bc440836b3 1103 transport_state->iothub_client_handle = NULL;
Azure.IoT Build 7:07bc440836b3 1104 transport_state->receive_messages = false;
Azure.IoT Build 7:07bc440836b3 1105 transport_state->message_receiver = NULL;
Azure.IoT Build 7:07bc440836b3 1106 transport_state->message_sender = NULL;
Azure.IoT Build 7:07bc440836b3 1107 transport_state->receiver_link = NULL;
Azure.IoT Build 7:07bc440836b3 1108 transport_state->sasl_io = NULL;
Azure.IoT Build 7:07bc440836b3 1109 transport_state->sasl_mechanism = NULL;
Azure.IoT Build 7:07bc440836b3 1110 transport_state->sender_link = NULL;
Azure.IoT Build 7:07bc440836b3 1111 transport_state->session = NULL;
Azure.IoT Build 7:07bc440836b3 1112 transport_state->tls_io = NULL;
Azure.IoT Build 10:75c5e0d8537d 1113 transport_state->tls_io_transport_provider = getTLSIOTransport;
Azure.IoT Build 10:75c5e0d8537d 1114 transport_state->isRegistered = false;
Azure.IoT Build 7:07bc440836b3 1115
Azure.IoT Build 7:07bc440836b3 1116 transport_state->waitingToSend = config->waitingToSend;
Azure.IoT Build 7:07bc440836b3 1117 DList_InitializeListHead(&transport_state->inProgress);
Azure.IoT Build 7:07bc440836b3 1118
Azure.IoT Build 7:07bc440836b3 1119 // 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 1120 if ((transport_state->iotHubHostFqdn = concat3Params(config->upperConfig->iotHubName, ".", config->upperConfig->iotHubSuffix)) == NULL)
AzureIoTClient 4:57e049bce51e 1121 {
Azure.IoT Build 7:07bc440836b3 1122 LogError("Failed to set transport_state->iotHubHostFqdn.\r\n");
Azure.IoT Build 7:07bc440836b3 1123 cleanup_required = true;
AzureIoTClient 4:57e049bce51e 1124 }
Azure.IoT Build 10:75c5e0d8537d 1125 // 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 1126 else if ((transport_state->devicesPath = concat3Params(STRING_c_str(transport_state->iotHubHostFqdn), "/devices/", config->upperConfig->deviceId)) == NULL)
AzureIoTClient 4:57e049bce51e 1127 {
Azure.IoT Build 7:07bc440836b3 1128 // 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 1129 LogError("Failed to allocate transport_state->devicesPath.\r\n");
Azure.IoT Build 7:07bc440836b3 1130 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1131 }
Azure.IoT Build 7:07bc440836b3 1132 // 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 1133 else if ((transport_state->targetAddress = concat3Params("amqps://", STRING_c_str(transport_state->devicesPath), "/messages/events")) == NULL)
Azure.IoT Build 7:07bc440836b3 1134 {
Azure.IoT Build 7:07bc440836b3 1135 // 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 1136 LogError("Failed to allocate transport_state->targetAddress.\r\n");
Azure.IoT Build 7:07bc440836b3 1137 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1138 }
Azure.IoT Build 7:07bc440836b3 1139 // 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 1140 else if ((transport_state->messageReceiveAddress = concat3Params("amqps://", STRING_c_str(transport_state->devicesPath), "/messages/devicebound")) == NULL)
Azure.IoT Build 7:07bc440836b3 1141 {
Azure.IoT Build 7:07bc440836b3 1142 // 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 1143 LogError("Failed to allocate transport_state->messageReceiveAddress.\r\n");
Azure.IoT Build 7:07bc440836b3 1144 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1145 }
Azure.IoT Build 7:07bc440836b3 1146 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_016: [IoTHubTransportAMQP_Create shall initialize handle->sasTokenKeyName with a zero-length STRING_HANDLE instance.]
Azure.IoT Build 7:07bc440836b3 1147 else if ((transport_state->sasTokenKeyName = STRING_new()) == NULL)
Azure.IoT Build 7:07bc440836b3 1148 {
Azure.IoT Build 7:07bc440836b3 1149 // 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 1150 LogError("Failed to allocate transport_state->sasTokenKeyName.\r\n");
Azure.IoT Build 7:07bc440836b3 1151 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1152 }
Azure.IoT Build 10:75c5e0d8537d 1153 // 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 1154 else if ((transport_state->deviceKey = STRING_new()) == NULL ||
Azure.IoT Build 11:62d7b956e76e 1155 STRING_copy(transport_state->deviceKey, config->upperConfig->deviceKey) != 0)
Azure.IoT Build 7:07bc440836b3 1156 {
Azure.IoT Build 7:07bc440836b3 1157 // 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 1158 LogError("Failed to allocate transport_state->deviceKey.\r\n");
Azure.IoT Build 7:07bc440836b3 1159 cleanup_required = true;
Azure.IoT Build 7:07bc440836b3 1160 }
Azure.IoT Build 11:62d7b956e76e 1161 else
Azure.IoT Build 7:07bc440836b3 1162 {
Azure.IoT Build 7:07bc440836b3 1163 // 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 1164 transport_state->sas_token_lifetime = DEFAULT_SAS_TOKEN_LIFETIME_MS;
Azure.IoT Build 7:07bc440836b3 1165
Azure.IoT Build 7:07bc440836b3 1166 // 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 1167 transport_state->sas_token_refresh_time = transport_state->sas_token_lifetime / 2;
Azure.IoT Build 7:07bc440836b3 1168
Azure.IoT Build 7:07bc440836b3 1169 // 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 1170 transport_state->cbs_request_timeout = DEFAULT_CBS_REQUEST_TIMEOUT_MS;
Azure.IoT Build 7:07bc440836b3 1171
Azure.IoT Build 7:07bc440836b3 1172 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_130 : [IoTHubTransportAMQP_Create shall set parameter transport_state->message_send_timeout with the default value of 300000 (milliseconds).]
Azure.IoT Build 7:07bc440836b3 1173 transport_state->message_send_timeout = DEFAULT_MESSAGE_SEND_TIMEOUT_MS;
AzureIoTClient 4:57e049bce51e 1174 }
AzureIoTClient 4:57e049bce51e 1175 }
AzureIoTClient 4:57e049bce51e 1176 }
Azure.IoT Build 7:07bc440836b3 1177
Azure.IoT Build 7:07bc440836b3 1178 if (cleanup_required)
Azure.IoT Build 7:07bc440836b3 1179 {
Azure.IoT Build 7:07bc440836b3 1180 if (transport_state->deviceKey != NULL)
Azure.IoT Build 7:07bc440836b3 1181 STRING_delete(transport_state->deviceKey);
Azure.IoT Build 7:07bc440836b3 1182 if (transport_state->sasTokenKeyName != NULL)
Azure.IoT Build 7:07bc440836b3 1183 STRING_delete(transport_state->sasTokenKeyName);
Azure.IoT Build 7:07bc440836b3 1184 if (transport_state->targetAddress != NULL)
Azure.IoT Build 7:07bc440836b3 1185 STRING_delete(transport_state->targetAddress);
Azure.IoT Build 7:07bc440836b3 1186 if (transport_state->messageReceiveAddress != NULL)
Azure.IoT Build 7:07bc440836b3 1187 STRING_delete(transport_state->messageReceiveAddress);
Azure.IoT Build 7:07bc440836b3 1188 if (transport_state->devicesPath != NULL)
Azure.IoT Build 7:07bc440836b3 1189 STRING_delete(transport_state->devicesPath);
Azure.IoT Build 7:07bc440836b3 1190 if (transport_state->iotHubHostFqdn != NULL)
Azure.IoT Build 7:07bc440836b3 1191 STRING_delete(transport_state->iotHubHostFqdn);
Azure.IoT Build 7:07bc440836b3 1192
Azure.IoT Build 7:07bc440836b3 1193 free(transport_state);
Azure.IoT Build 7:07bc440836b3 1194 transport_state = NULL;
Azure.IoT Build 7:07bc440836b3 1195 }
Azure.IoT Build 7:07bc440836b3 1196
Azure.IoT Build 7:07bc440836b3 1197 // 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 1198 return transport_state;
AzureIoTClient 4:57e049bce51e 1199 }
AzureIoTClient 4:57e049bce51e 1200
Azure.IoT Build 11:62d7b956e76e 1201 static void IoTHubTransportAMQP_Destroy(TRANSPORT_LL_HANDLE handle)
AzureIoTClient 4:57e049bce51e 1202 {
Azure.IoT Build 7:07bc440836b3 1203 if (handle != NULL)
Azure.IoT Build 7:07bc440836b3 1204 {
Azure.IoT Build 7:07bc440836b3 1205 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 11:62d7b956e76e 1206
Azure.IoT Build 7:07bc440836b3 1207 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_024: [IoTHubTransportAMQP_Destroy shall destroy the AMQP message_sender.]
Azure.IoT Build 7:07bc440836b3 1208 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_029 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP link.]
Azure.IoT Build 7:07bc440836b3 1209 destroyEventSender(transport_state);
Azure.IoT Build 7:07bc440836b3 1210
Azure.IoT Build 7:07bc440836b3 1211 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_025: [IoTHubTransportAMQP_Destroy shall destroy the AMQP message_receiver.]
Azure.IoT Build 7:07bc440836b3 1212 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_029 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP link.]
Azure.IoT Build 7:07bc440836b3 1213 destroyMessageReceiver(transport_state);
Azure.IoT Build 7:07bc440836b3 1214
Azure.IoT Build 7:07bc440836b3 1215 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_027 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP cbs instance]
Azure.IoT Build 7:07bc440836b3 1216 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_030 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP session.]
Azure.IoT Build 7:07bc440836b3 1217 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_031 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP connection.]
Azure.IoT Build 7:07bc440836b3 1218 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_032 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP SASL I / O transport.]
Azure.IoT Build 7:07bc440836b3 1219 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_033 : [IoTHubTransportAMQP_Destroy shall destroy the AMQP SASL mechanism.]
Azure.IoT Build 7:07bc440836b3 1220 destroyConnection(transport_state);
Azure.IoT Build 7:07bc440836b3 1221
Azure.IoT Build 7:07bc440836b3 1222 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_035 : [IoTHubTransportAMQP_Destroy shall delete its internally - set parameters(deviceKey, targetAddress, devicesPath, sasTokenKeyName).]
Azure.IoT Build 7:07bc440836b3 1223 STRING_delete(transport_state->targetAddress);
Azure.IoT Build 7:07bc440836b3 1224 STRING_delete(transport_state->messageReceiveAddress);
Azure.IoT Build 7:07bc440836b3 1225 STRING_delete(transport_state->sasTokenKeyName);
Azure.IoT Build 7:07bc440836b3 1226 STRING_delete(transport_state->deviceKey);
Azure.IoT Build 7:07bc440836b3 1227 STRING_delete(transport_state->devicesPath);
Azure.IoT Build 7:07bc440836b3 1228 STRING_delete(transport_state->iotHubHostFqdn);
Azure.IoT Build 7:07bc440836b3 1229
Azure.IoT Build 7:07bc440836b3 1230 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_036 : [IoTHubTransportAMQP_Destroy shall return the remaining items in inProgress to waitingToSend list.]
Azure.IoT Build 7:07bc440836b3 1231 rollEventsBackToWaitList(transport_state);
Azure.IoT Build 7:07bc440836b3 1232
Azure.IoT Build 7:07bc440836b3 1233 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_150: [IoTHubTransportAMQP_Destroy shall destroy the transport instance]
Azure.IoT Build 7:07bc440836b3 1234 free(transport_state);
Azure.IoT Build 7:07bc440836b3 1235 }
Azure.IoT Build 7:07bc440836b3 1236 }
Azure.IoT Build 7:07bc440836b3 1237
Azure.IoT Build 11:62d7b956e76e 1238 static void IoTHubTransportAMQP_DoWork(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle)
Azure.IoT Build 7:07bc440836b3 1239 {
Azure.IoT Build 7:07bc440836b3 1240 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_051: [IoTHubTransportAMQP_DoWork shall fail and return immediately if the transport handle parameter is NULL]
AzureIoTClient 4:57e049bce51e 1241 if (handle == NULL)
AzureIoTClient 4:57e049bce51e 1242 {
Azure.IoT Build 7:07bc440836b3 1243 LogError("IoTHubClient DoWork failed: transport handle parameter is NULL.\r\n");
Azure.IoT Build 7:07bc440836b3 1244 }
Azure.IoT Build 7:07bc440836b3 1245 // Codes_[IoTHubTransportAMQP_DoWork shall fail and return immediately if the client handle parameter is NULL]
Azure.IoT Build 7:07bc440836b3 1246 else if (iotHubClientHandle == NULL)
Azure.IoT Build 7:07bc440836b3 1247 {
Azure.IoT Build 7:07bc440836b3 1248 LogError("IoTHubClient DoWork failed: client handle parameter is NULL.\r\n");
AzureIoTClient 4:57e049bce51e 1249 }
AzureIoTClient 4:57e049bce51e 1250 else
AzureIoTClient 4:57e049bce51e 1251 {
Azure.IoT Build 7:07bc440836b3 1252 bool trigger_connection_retry = false;
Azure.IoT Build 7:07bc440836b3 1253 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 7:07bc440836b3 1254
Azure.IoT Build 7:07bc440836b3 1255 // 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 1256 transport_state->iothub_client_handle = iotHubClientHandle;
Azure.IoT Build 7:07bc440836b3 1257
Azure.IoT Build 7:07bc440836b3 1258 // 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 1259 if (transport_state->connection == NULL &&
Azure.IoT Build 7:07bc440836b3 1260 establishConnection(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1261 {
Azure.IoT Build 7:07bc440836b3 1262 LogError("AMQP transport failed to establish connection with service.\r\n");
Azure.IoT Build 7:07bc440836b3 1263 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1264 }
Azure.IoT Build 7:07bc440836b3 1265 // 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 1266 // 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 1267 else if ((transport_state->cbs_state == CBS_STATE_IDLE || isSasTokenRefreshRequired(transport_state)) &&
Azure.IoT Build 11:62d7b956e76e 1268 startAuthentication(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1269 {
Azure.IoT Build 7:07bc440836b3 1270 // 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 1271 LogError("Failed authenticating AMQP connection within CBS.\r\n");
Azure.IoT Build 7:07bc440836b3 1272 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1273 }
Azure.IoT Build 10:75c5e0d8537d 1274 // 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 1275 else if (transport_state->cbs_state == CBS_STATE_AUTH_IN_PROGRESS &&
Azure.IoT Build 11:62d7b956e76e 1276 verifyAuthenticationTimeout(transport_state) == RESULT_TIMEOUT)
Azure.IoT Build 7:07bc440836b3 1277 {
Azure.IoT Build 7:07bc440836b3 1278 LogError("AMQP transport authentication timed out.\r\n");
Azure.IoT Build 7:07bc440836b3 1279 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1280 }
Azure.IoT Build 7:07bc440836b3 1281 else if (transport_state->cbs_state == CBS_STATE_AUTHENTICATED)
Azure.IoT Build 7:07bc440836b3 1282 {
Azure.IoT Build 7:07bc440836b3 1283 // 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 1284 if (transport_state->receive_messages == true &&
Azure.IoT Build 7:07bc440836b3 1285 transport_state->message_receiver == NULL &&
Azure.IoT Build 7:07bc440836b3 1286 createMessageReceiver(transport_state, iotHubClientHandle) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1287 {
Azure.IoT Build 7:07bc440836b3 1288 LogError("Failed creating AMQP transport message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 1289 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1290 }
Azure.IoT Build 7:07bc440836b3 1291 // 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 1292 else if (transport_state->receive_messages == false &&
Azure.IoT Build 7:07bc440836b3 1293 transport_state->message_receiver != NULL &&
Azure.IoT Build 7:07bc440836b3 1294 destroyMessageReceiver(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1295 {
Azure.IoT Build 7:07bc440836b3 1296 LogError("Failed destroying AMQP transport message receiver.\r\n");
Azure.IoT Build 7:07bc440836b3 1297 }
Azure.IoT Build 7:07bc440836b3 1298
Azure.IoT Build 7:07bc440836b3 1299 if (transport_state->message_sender == NULL &&
Azure.IoT Build 7:07bc440836b3 1300 createEventSender(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1301 {
Azure.IoT Build 7:07bc440836b3 1302 LogError("Failed creating AMQP transport event sender.\r\n");
Azure.IoT Build 7:07bc440836b3 1303 trigger_connection_retry = true;
Azure.IoT Build 7:07bc440836b3 1304 }
Azure.IoT Build 7:07bc440836b3 1305 else if (sendPendingEvents(transport_state) != RESULT_OK)
Azure.IoT Build 7:07bc440836b3 1306 {
Azure.IoT Build 7:07bc440836b3 1307 LogError("AMQP transport failed sending events.\r\n");
Azure.IoT Build 7:07bc440836b3 1308 }
Azure.IoT Build 7:07bc440836b3 1309 }
Azure.IoT Build 7:07bc440836b3 1310
Azure.IoT Build 7:07bc440836b3 1311 if (trigger_connection_retry)
Azure.IoT Build 7:07bc440836b3 1312 {
Azure.IoT Build 7:07bc440836b3 1313 prepareForConnectionRetry(transport_state);
Azure.IoT Build 7:07bc440836b3 1314 }
Azure.IoT Build 7:07bc440836b3 1315 else
Azure.IoT Build 7:07bc440836b3 1316 {
Azure.IoT Build 7:07bc440836b3 1317 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_103: [IoTHubTransportAMQP_DoWork shall invoke connection_dowork() on AMQP for triggering sending and receiving messages]
Azure.IoT Build 7:07bc440836b3 1318 connection_dowork(transport_state->connection);
Azure.IoT Build 7:07bc440836b3 1319 }
Azure.IoT Build 7:07bc440836b3 1320
Azure.IoT Build 7:07bc440836b3 1321 handleEventSendTimeouts(transport_state);
Azure.IoT Build 7:07bc440836b3 1322 }
Azure.IoT Build 7:07bc440836b3 1323 }
Azure.IoT Build 7:07bc440836b3 1324
Azure.IoT Build 10:75c5e0d8537d 1325 static int IoTHubTransportAMQP_Subscribe(IOTHUB_DEVICE_HANDLE handle)
Azure.IoT Build 7:07bc440836b3 1326 {
Azure.IoT Build 7:07bc440836b3 1327 int result;
Azure.IoT Build 11:62d7b956e76e 1328
Azure.IoT Build 7:07bc440836b3 1329 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_037: [IoTHubTransportAMQP_Subscribe shall fail if the transport handle parameter received is NULL.]
Azure.IoT Build 7:07bc440836b3 1330 if (handle == NULL)
Azure.IoT Build 7:07bc440836b3 1331 {
Azure.IoT Build 7:07bc440836b3 1332 LogError("Invalid handle to IoTHubClient AMQP transport.\r\n");
Azure.IoT Build 7:07bc440836b3 1333 result = __LINE__;
Azure.IoT Build 7:07bc440836b3 1334 }
Azure.IoT Build 7:07bc440836b3 1335 else
Azure.IoT Build 7:07bc440836b3 1336 {
Azure.IoT Build 7:07bc440836b3 1337 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_038: [IoTHubTransportAMQP_Subscribe shall set transport_handle->receive_messages to true and return success code.]
Azure.IoT Build 7:07bc440836b3 1338 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 7:07bc440836b3 1339 transport_state->receive_messages = true;
AzureIoTClient 4:57e049bce51e 1340 result = 0;
AzureIoTClient 4:57e049bce51e 1341 }
Azure.IoT Build 7:07bc440836b3 1342
AzureIoTClient 4:57e049bce51e 1343 return result;
AzureIoTClient 4:57e049bce51e 1344 }
AzureIoTClient 4:57e049bce51e 1345
Azure.IoT Build 10:75c5e0d8537d 1346 static void IoTHubTransportAMQP_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
AzureIoTClient 4:57e049bce51e 1347 {
Azure.IoT Build 7:07bc440836b3 1348 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_039: [IoTHubTransportAMQP_Unsubscribe shall fail if the transport handle parameter received is NULL.]
Azure.IoT Build 7:07bc440836b3 1349 if (handle == NULL)
AzureIoTClient 4:57e049bce51e 1350 {
Azure.IoT Build 7:07bc440836b3 1351 LogError("Invalid handle to IoTHubClient AMQP transport.\r\n");
Azure.IoT Build 7:07bc440836b3 1352 }
Azure.IoT Build 7:07bc440836b3 1353 else
Azure.IoT Build 7:07bc440836b3 1354 {
Azure.IoT Build 7:07bc440836b3 1355 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_040: [IoTHubTransportAMQP_Unsubscribe shall set transport_handle->receive_messages to false and return success code.]
Azure.IoT Build 7:07bc440836b3 1356 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 7:07bc440836b3 1357 transport_state->receive_messages = false;
AzureIoTClient 4:57e049bce51e 1358 }
AzureIoTClient 4:57e049bce51e 1359 }
AzureIoTClient 4:57e049bce51e 1360
Azure.IoT Build 10:75c5e0d8537d 1361 static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
AzureIoTClient 4:57e049bce51e 1362 {
AzureIoTClient 4:57e049bce51e 1363 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 4:57e049bce51e 1364
Azure.IoT Build 7:07bc440836b3 1365 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_041: [IoTHubTransportAMQP_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter.]
AzureIoTClient 4:57e049bce51e 1366 if (handle == NULL)
AzureIoTClient 4:57e049bce51e 1367 {
AzureIoTClient 4:57e049bce51e 1368 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 4:57e049bce51e 1369 LogError("Invalid handle to IoTHubClient AMQP transport instance.\r\n");
AzureIoTClient 4:57e049bce51e 1370 }
AzureIoTClient 4:57e049bce51e 1371 else if (iotHubClientStatus == NULL)
AzureIoTClient 4:57e049bce51e 1372 {
AzureIoTClient 4:57e049bce51e 1373 result = IOTHUB_CLIENT_INVALID_ARG;
AzureIoTClient 4:57e049bce51e 1374 LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.\r\n");
AzureIoTClient 4:57e049bce51e 1375 }
AzureIoTClient 4:57e049bce51e 1376 else
AzureIoTClient 4:57e049bce51e 1377 {
Azure.IoT Build 7:07bc440836b3 1378 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
AzureIoTClient 4:57e049bce51e 1379
Azure.IoT Build 7:07bc440836b3 1380 // 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 1381 if (!DList_IsListEmpty(transport_state->waitingToSend) || !DList_IsListEmpty(&(transport_state->inProgress)))
AzureIoTClient 4:57e049bce51e 1382 {
AzureIoTClient 4:57e049bce51e 1383 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
AzureIoTClient 4:57e049bce51e 1384 }
Azure.IoT Build 7:07bc440836b3 1385 // 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 1386 else
AzureIoTClient 4:57e049bce51e 1387 {
AzureIoTClient 4:57e049bce51e 1388 *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
AzureIoTClient 4:57e049bce51e 1389 }
AzureIoTClient 4:57e049bce51e 1390
AzureIoTClient 4:57e049bce51e 1391 result = IOTHUB_CLIENT_OK;
AzureIoTClient 4:57e049bce51e 1392 }
AzureIoTClient 4:57e049bce51e 1393
AzureIoTClient 4:57e049bce51e 1394 return result;
AzureIoTClient 4:57e049bce51e 1395 }
AzureIoTClient 4:57e049bce51e 1396
Azure.IoT Build 11:62d7b956e76e 1397 static IOTHUB_CLIENT_RESULT IoTHubTransportAMQP_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
AzureIoTClient 4:57e049bce51e 1398 {
AzureIoTClient 4:57e049bce51e 1399 IOTHUB_CLIENT_RESULT result;
AzureIoTClient 4:57e049bce51e 1400
Azure.IoT Build 7:07bc440836b3 1401 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_044: [If handle parameter is NULL then IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]
Azure.IoT Build 7:07bc440836b3 1402 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_045: [If parameter optionName is NULL then IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]
Azure.IoT Build 7:07bc440836b3 1403 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_046: [If parameter value is NULL then IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.]
AzureIoTClient 5:8d58d20699dd 1404 if (
AzureIoTClient 5:8d58d20699dd 1405 (handle == NULL) ||
AzureIoTClient 5:8d58d20699dd 1406 (option == NULL) ||
AzureIoTClient 5:8d58d20699dd 1407 (value == NULL)
AzureIoTClient 5:8d58d20699dd 1408 )
AzureIoTClient 5:8d58d20699dd 1409 {
AzureIoTClient 5:8d58d20699dd 1410 result = IOTHUB_CLIENT_INVALID_ARG;
Azure.IoT Build 7:07bc440836b3 1411 LogError("Invalid parameter (NULL) passed to AMQP transport SetOption()\r\n");
AzureIoTClient 5:8d58d20699dd 1412 }
AzureIoTClient 5:8d58d20699dd 1413 else
AzureIoTClient 5:8d58d20699dd 1414 {
Azure.IoT Build 7:07bc440836b3 1415 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
AzureIoTClient 4:57e049bce51e 1416
Azure.IoT Build 10:75c5e0d8537d 1417 // 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 1418 if (strcmp("sas_token_lifetime", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1419 {
Azure.IoT Build 10:75c5e0d8537d 1420 transport_state->sas_token_lifetime = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1421 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1422 }
Azure.IoT Build 10:75c5e0d8537d 1423 // 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 1424 else if (strcmp("sas_token_refresh_time", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1425 {
Azure.IoT Build 10:75c5e0d8537d 1426 transport_state->sas_token_refresh_time = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1427 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1428 }
Azure.IoT Build 10:75c5e0d8537d 1429 // 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 1430 else if (strcmp("cbs_request_timeout", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1431 {
Azure.IoT Build 10:75c5e0d8537d 1432 transport_state->cbs_request_timeout = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1433 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1434 }
Azure.IoT Build 10:75c5e0d8537d 1435 // Codes_SRS_IOTHUBTRANSPORTAMQP_09_149: [IotHubTransportAMQP_SetOption shall save and apply the value if the option name is "message_send_timeout", returning IOTHUB_CLIENT_OK]
Azure.IoT Build 10:75c5e0d8537d 1436 else if (strcmp("message_send_timeout", option) == 0)
Azure.IoT Build 10:75c5e0d8537d 1437 {
Azure.IoT Build 10:75c5e0d8537d 1438 transport_state->message_send_timeout = *((size_t*)value);
Azure.IoT Build 10:75c5e0d8537d 1439 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 10:75c5e0d8537d 1440 }
Azure.IoT Build 11:62d7b956e76e 1441 // 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 1442 else
Azure.IoT Build 10:75c5e0d8537d 1443 {
Azure.IoT Build 11:62d7b956e76e 1444 if (transport_state->tls_io == NULL &&
Azure.IoT Build 11:62d7b956e76e 1445 (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 1446 {
Azure.IoT Build 11:62d7b956e76e 1447 result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build 11:62d7b956e76e 1448 LogError("Failed to obtain a TLS I/O transport layer.\r\n");
Azure.IoT Build 11:62d7b956e76e 1449 }
Azure.IoT Build 11:62d7b956e76e 1450 else
Azure.IoT Build 11:62d7b956e76e 1451 {
Azure.IoT Build 11:62d7b956e76e 1452 /* Codes_SRS_IOTHUBTRANSPORTUAMQP_03_001: [If xio_setoption fails, IoTHubTransportAMQP_SetOption shall return IOTHUB_CLIENT_ERROR.] */
Azure.IoT Build 11:62d7b956e76e 1453 if (xio_setoption(transport_state->tls_io, option, value) == 0)
Azure.IoT Build 11:62d7b956e76e 1454 {
Azure.IoT Build 11:62d7b956e76e 1455 result = IOTHUB_CLIENT_OK;
Azure.IoT Build 11:62d7b956e76e 1456 }
Azure.IoT Build 11:62d7b956e76e 1457 else
Azure.IoT Build 11:62d7b956e76e 1458 {
Azure.IoT Build 11:62d7b956e76e 1459 result = IOTHUB_CLIENT_ERROR;
Azure.IoT Build 11:62d7b956e76e 1460 LogError("Invalid option (%s) passed to uAMQP transport SetOption()\r\n", option);
Azure.IoT Build 11:62d7b956e76e 1461 }
Azure.IoT Build 11:62d7b956e76e 1462 }
Azure.IoT Build 10:75c5e0d8537d 1463 }
Azure.IoT Build 10:75c5e0d8537d 1464 }
AzureIoTClient 4:57e049bce51e 1465
AzureIoTClient 4:57e049bce51e 1466 return result;
AzureIoTClient 4:57e049bce51e 1467 }
AzureIoTClient 4:57e049bce51e 1468
Azure.IoT Build 11:62d7b956e76e 1469 static IOTHUB_DEVICE_HANDLE IoTHubTransportAMQ_Register(TRANSPORT_LL_HANDLE handle, const char* deviceId, const char* deviceKey, IOTHUB_CLIENT_LL_HANDLE iotHubClientHandle, PDLIST_ENTRY waitingToSend)
Azure.IoT Build 10:75c5e0d8537d 1470 {
Azure.IoT Build 10:75c5e0d8537d 1471 IOTHUB_DEVICE_HANDLE result;
Azure.IoT Build 10:75c5e0d8537d 1472 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_001: [IoTHubTransportAMQ_Register shall return NULL if deviceId, deviceKey or waitingToSend are NULL.]
Azure.IoT Build 11:62d7b956e76e 1473 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_005: [IoTHubTransportAMQ_Register shall return NULL if the TRANSPORT_LL_HANDLE is NULL.]
Azure.IoT Build 11:62d7b956e76e 1474 if ((handle == NULL) || (deviceId == NULL) || (deviceKey == NULL) || (waitingToSend == NULL))
Azure.IoT Build 10:75c5e0d8537d 1475 {
Azure.IoT Build 10:75c5e0d8537d 1476 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1477 }
Azure.IoT Build 10:75c5e0d8537d 1478 else
Azure.IoT Build 10:75c5e0d8537d 1479 {
Azure.IoT Build 10:75c5e0d8537d 1480 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)handle;
Azure.IoT Build 10:75c5e0d8537d 1481
Azure.IoT Build 10:75c5e0d8537d 1482 STRING_HANDLE devicesPath = concat3Params(STRING_c_str(transport_state->iotHubHostFqdn), "/devices/", deviceId);
Azure.IoT Build 10:75c5e0d8537d 1483 if (devicesPath == NULL)
Azure.IoT Build 10:75c5e0d8537d 1484 {
Azure.IoT Build 10:75c5e0d8537d 1485 LogError("Could not create a comparison string");
Azure.IoT Build 10:75c5e0d8537d 1486 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1487 }
Azure.IoT Build 10:75c5e0d8537d 1488 else
Azure.IoT Build 10:75c5e0d8537d 1489 {
Azure.IoT Build 10:75c5e0d8537d 1490 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_002: [IoTHubTransportAMQ_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 1491 if (strcmp(STRING_c_str(transport_state->devicesPath), STRING_c_str(devicesPath)) != 0)
Azure.IoT Build 10:75c5e0d8537d 1492 {
Azure.IoT Build 10:75c5e0d8537d 1493 LogError("Attemping to add new device to AMQP transport, not allowed.");
Azure.IoT Build 10:75c5e0d8537d 1494 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1495 }
Azure.IoT Build 10:75c5e0d8537d 1496 else if (strcmp(STRING_c_str(transport_state->deviceKey), deviceKey) != 0)
Azure.IoT Build 10:75c5e0d8537d 1497 {
Azure.IoT Build 10:75c5e0d8537d 1498 LogError("Attemping to add new device to AMQP transport, not allowed.");
Azure.IoT Build 10:75c5e0d8537d 1499 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1500 }
Azure.IoT Build 10:75c5e0d8537d 1501 else
Azure.IoT Build 10:75c5e0d8537d 1502 {
Azure.IoT Build 10:75c5e0d8537d 1503 if (transport_state->isRegistered == true)
Azure.IoT Build 10:75c5e0d8537d 1504 {
Azure.IoT Build 10:75c5e0d8537d 1505 LogError("Transport already has device registered by id: [%s]", deviceId);
Azure.IoT Build 10:75c5e0d8537d 1506 result = NULL;
Azure.IoT Build 10:75c5e0d8537d 1507 }
Azure.IoT Build 10:75c5e0d8537d 1508 else
Azure.IoT Build 10:75c5e0d8537d 1509 {
Azure.IoT Build 10:75c5e0d8537d 1510 transport_state->isRegistered = true;
Azure.IoT Build 11:62d7b956e76e 1511 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_003: [IoTHubTransportAMQ_Register shall return the TRANSPORT_LL_HANDLE as the IOTHUB_DEVICE_HANDLE.]
Azure.IoT Build 10:75c5e0d8537d 1512 result = (IOTHUB_DEVICE_HANDLE)handle;
Azure.IoT Build 10:75c5e0d8537d 1513 }
Azure.IoT Build 10:75c5e0d8537d 1514 }
Azure.IoT Build 10:75c5e0d8537d 1515 STRING_delete(devicesPath);
Azure.IoT Build 10:75c5e0d8537d 1516 }
Azure.IoT Build 10:75c5e0d8537d 1517 }
Azure.IoT Build 10:75c5e0d8537d 1518
Azure.IoT Build 10:75c5e0d8537d 1519 return result;
Azure.IoT Build 10:75c5e0d8537d 1520 }
Azure.IoT Build 10:75c5e0d8537d 1521
Azure.IoT Build 10:75c5e0d8537d 1522 // Codes_SRS_IOTHUBTRANSPORTUAMQP_17_004: [IoTHubTransportAMQ_Unregister shall return.]
Azure.IoT Build 10:75c5e0d8537d 1523 static void IoTHubTransportAMQ_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
Azure.IoT Build 10:75c5e0d8537d 1524 {
Azure.IoT Build 10:75c5e0d8537d 1525 if (deviceHandle != NULL)
Azure.IoT Build 10:75c5e0d8537d 1526 {
Azure.IoT Build 10:75c5e0d8537d 1527 AMQP_TRANSPORT_INSTANCE* transport_state = (AMQP_TRANSPORT_INSTANCE*)deviceHandle;
Azure.IoT Build 10:75c5e0d8537d 1528
Azure.IoT Build 10:75c5e0d8537d 1529 transport_state->isRegistered = false;
Azure.IoT Build 10:75c5e0d8537d 1530 }
Azure.IoT Build 10:75c5e0d8537d 1531 }
Azure.IoT Build 10:75c5e0d8537d 1532
Azure.IoT Build 7:07bc440836b3 1533 static TRANSPORT_PROVIDER thisTransportProvider = {
Azure.IoT Build 11:62d7b956e76e 1534 IoTHubTransportAMQP_SetOption,
Azure.IoT Build 11:62d7b956e76e 1535 IoTHubTransportAMQP_Create,
Azure.IoT Build 11:62d7b956e76e 1536 IoTHubTransportAMQP_Destroy,
Azure.IoT Build 10:75c5e0d8537d 1537 IoTHubTransportAMQ_Register,
Azure.IoT Build 10:75c5e0d8537d 1538 IoTHubTransportAMQ_Unregister,
Azure.IoT Build 11:62d7b956e76e 1539 IoTHubTransportAMQP_Subscribe,
Azure.IoT Build 11:62d7b956e76e 1540 IoTHubTransportAMQP_Unsubscribe,
Azure.IoT Build 11:62d7b956e76e 1541 IoTHubTransportAMQP_DoWork,
Azure.IoT Build 7:07bc440836b3 1542 IoTHubTransportAMQP_GetSendStatus
AzureIoTClient 4:57e049bce51e 1543 };
AzureIoTClient 4:57e049bce51e 1544
AzureIoTClient 4:57e049bce51e 1545 extern const void* AMQP_Protocol(void)
AzureIoTClient 4:57e049bce51e 1546 {
Azure.IoT Build 7:07bc440836b3 1547 return &thisTransportProvider;
AzureIoTClient 4:57e049bce51e 1548 }