EQueueConsumer CreateQueueConsumer(string commandQueueName, string consumerId, int fullLoadThreshold, int waitInterval)
{
var consumer = new EQueueConsumer(BrokerAddress, ConsumerPort, AdminPort, commandQueueName, commandQueueName, consumerId, fullLoadThreshold, waitInterval);
consumer.Start();
return(consumer);
}
EQueueConsumer CreateSubscriptionClient(string topic, string subscriptionName, string consumerId = null, int fullLoadThreshold = 1000, int waitInterval = 1000)
{
var consumer = new EQueueConsumer(BrokerAddress, ConsumerPort, AdminPort, topic, subscriptionName, consumerId, fullLoadThreshold, waitInterval);
consumer.Start();
return(consumer);
}
private EQueueConsumer CreateQueueConsumer(string commandQueueName,
string consumerId,
OnMessagesReceived onMessagesReceived,
ConsumerConfig consumerConfig = null)
{
var consumer = new EQueueConsumer(ClusterName, NameServerList, commandQueueName,
commandQueueName, consumerId,
BuildOnEQueueMessageReceived(onMessagesReceived),
consumerConfig);
return(consumer);
}
private EQueueConsumer CreateSubscriptionClient(string topic,
string subscriptionName,
OnMessagesReceived onMessagesReceived,
string consumerId = null,
ConsumerConfig consumerConfig = null)
{
var consumer = new EQueueConsumer(ClusterName, NameServerList, topic, subscriptionName, consumerId,
BuildOnEQueueMessageReceived(onMessagesReceived),
consumerConfig);
return(consumer);
}
public IMessageConsumer CreateQueueConsumer(string commandQueueName,
OnMessagesReceived onMessagesReceived,
string consumerId,
ConsumerConfig consumerConfig,
bool start = true)
{
var consumer = new EQueueConsumer(_clusterName,
_nameServerList,
new[] { commandQueueName },
commandQueueName,
consumerId,
BuildOnEQueueMessageReceived(onMessagesReceived),
consumerConfig);
if (start)
{
consumer.Start();
}
return(consumer);
}
public IMessageConsumer CreateTopicSubscription(string[] topics,
string subscriptionName,
OnMessagesReceived onMessagesReceived,
string consumerId,
ConsumerConfig consumerConfig,
bool start = true)
{
var consumer = new EQueueConsumer(_clusterName,
_nameServerList,
topics,
subscriptionName,
consumerId,
BuildOnEQueueMessageReceived(onMessagesReceived),
consumerConfig);
if (start)
{
consumer.Start();
}
return(consumer);
}
void ReceiveMessages(CancellationTokenSource cancellationTokenSource, OnMessagesReceived onMessagesReceived, EQueueConsumer equeueConsumer)
{
IEnumerable <EQueueMessages.QueueMessage> messages = null;
#region peek messages that not been consumed since last time
while (!cancellationTokenSource.IsCancellationRequested)
{
try
{
messages = equeueConsumer.PullMessages(100, 2000, cancellationTokenSource.Token);
foreach (var message in messages)
{
try
{
var equeueMessage = Encoding.UTF8.GetString(message.Body).ToJsonObject <EQueueMessage>();
var messageContext = new MessageContext(equeueMessage, message.QueueId, message.QueueOffset);
equeueConsumer.AddMessage(message);
onMessagesReceived(messageContext);
equeueConsumer.BlockIfFullLoad();
}
catch (OperationCanceledException)
{
return;
}
catch (ThreadAbortException)
{
return;
}
catch (Exception ex)
{
if (message.Body != null)
{
equeueConsumer.RemoveMessage(message.QueueId, message.QueueOffset);
}
_logger.Error(ex.GetBaseException().Message, ex);
}
}
}
catch (OperationCanceledException)
{
return;
}
catch (ThreadAbortException)
{
return;
}
catch (Exception ex)
{
if (!cancellationTokenSource.IsCancellationRequested)
{
Thread.Sleep(1000);
_logger.Error(ex.GetBaseException().Message, ex);
}
}
}
#endregion
}
