public IoTHubReceiverThread(string messagePayload)
{
_IoTHubReceiverMsg = JsonConvert.DeserializeObject <IoTHubReceiverModel>(messagePayload);
if (_IoTHubReceiverMsg.content.iotHubId == 0)
{
throw new Exception("iotHubId can't be null");
}
}
private void ListenOnServiceBusTopic(CdsInfo cdsInfo)
{
CdsBackendSetting azureCS = cdsInfo.cdsBackendSetting;
/* Create Topic Subscription Client, and bind with Message Property on companyid = xx */
var namespaceManager = NamespaceManager.CreateFromConnectionString(azureCS.ServiceBusConnectionString);
string subscriptionName = "C_" + cdsInfo.CompanyId + "_IoTHubId_" + cdsInfo.IoTHubId + "_P_" + cdsInfo.PartitionNum;
SqlFilter messageFilter = new SqlFilter("Process = 'IoTHubReceiver' AND IoTHubId = '" + cdsInfo.IoTHubId + "'");
/* If the subscription not exist, create it. */
if (!namespaceManager.SubscriptionExists(azureCS.ServiceBusProcessCommandTopic, subscriptionName))
{
namespaceManager.CreateSubscription(azureCS.ServiceBusProcessCommandTopic, subscriptionName, messageFilter);
}
/* Create subscription client and listen on message */
_sbSubscriptionClient = SubscriptionClient.CreateFromConnectionString(azureCS.ServiceBusConnectionString, azureCS.ServiceBusProcessCommandTopic, subscriptionName);
OnMessageOptions options = new OnMessageOptions();
options.AutoComplete = true;
IoTHubReceiverModel _IoTHubReceiverMsg = null;
_sbSubscriptionClient.OnMessage(async(message) =>
{
AzureSQLHelper.OperationTaskModel operationTask = new AzureSQLHelper.OperationTaskModel();
try
{
string messagePayload = message.GetBody <string>();
_IoTHubReceiverMsg = JsonConvert.DeserializeObject <IoTHubReceiverModel>(messagePayload);
// Process message from subscription.
_consoleLog.Info("onMessage: {0}", messagePayload);
_consoleLog.BlobLogInfo("onMessage: {0}", messagePayload);
_consoleLog.Info("Received Task:" + _IoTHubReceiverMsg.task);
_consoleLog.BlobLogInfo("Received Task:" + _IoTHubReceiverMsg.task);
switch (_IoTHubReceiverMsg.task)
{
//case "start":
// await _IoTHubMessageReceiver.Start();
// break;
//case "stop":
// await _IoTHubMessageReceiver.Stop();
// break;
case TaskName.IoTHubReceiver_Restart:
reloadHeartbeatInterval();
_IoTHubMessageReceiver.Stop().Wait();
_IoTHubMessageReceiver.Start().Wait();
break;
//case "shutdown":
// message.Complete();
// await _IoTHubMessageReceiver.Stop();
// operationTask.UpdateTaskBySuccess(_IoTHubReceiverMsg.taskId);
// Environment.Exit(0);
// break;
}
operationTask.UpdateTaskBySuccess(_IoTHubReceiverMsg.taskId);
}
catch (Exception ex)
{
// Indicates a problem, unlock message in subscription.
_consoleLog.Error("Exception: {0}", ex.Message);
_consoleLog.BlobLogError("Exception: {0}", ex.Message);
operationTask.UpdateTaskByFail(_IoTHubReceiverMsg.taskId, ex.Message);
}
}, options);
}
