private void ReceiveMessages(CancellationTokenSource cancellationTokenSource,
OnEQueueMessageReceived onMessageReceived)
{
IEnumerable <EQueueMessages.QueueMessage> messages = null;
#region peek messages that not been consumed since last time
while (!cancellationTokenSource.IsCancellationRequested)
{
try
{
messages = PullMessages(100, 2000, cancellationTokenSource.Token);
foreach (var message in messages)
{
try
{
AddMessage(message);
onMessageReceived(this, message);
BlockIfFullLoad();
}
catch (OperationCanceledException)
{
return;
}
catch (ThreadAbortException)
{
return;
}
catch (Exception ex)
{
if (message.Body != null)
{
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
}
public EQueueConsumer(string clusterName,
List <IPEndPoint> nameServerList,
string[] topics,
string groupId,
string consumerId,
OnEQueueMessageReceived onMessageReceived,
ConsumerConfig consumerConfig = null,
bool start = true)
: base(topics, groupId, consumerId, consumerConfig)
{
_onMessageReceived = onMessageReceived;
ClusterName = clusterName;
NameServerList = nameServerList;
SlidingDoors = new ConcurrentDictionary <string, SlidingDoor>();
}
private static EQueueConsumer CreateConsumer(string consumerId)
{
OnEQueueMessageReceived onMessageReceived = (equeueConsumer, queueMessage) =>
{
var message = Encoding.UTF8.GetString(queueMessage.Body);
var sendTime = DateTime.Parse(message);
Console.WriteLine(
$"consumer:{equeueConsumer.ConsumerId} {DateTime.Now.ToString("HH:mm:ss.fff")} consume message: {message} cost: {(DateTime.Now - sendTime).TotalMilliseconds}");
equeueConsumer.CommitOffset(queueMessage.BrokerName, queueMessage.QueueId, queueMessage.QueueOffset);
};
var consumer = new EQueueConsumer(clusterName, NameServerList, topic, Environment.MachineName, consumerId,
onMessageReceived);
return(consumer);
}
public EQueueConsumer(string clusterName,
List <IPEndPoint> nameServerList,
string topic,
string groupId,
string consumerId,
OnEQueueMessageReceived onMessageReceived,
ConsumerConfig consumerConfig = null,
bool start = true)
{
_onMessageReceived = onMessageReceived;
ClusterName = clusterName;
_consumerConfig = consumerConfig ?? ConsumerConfig.DefaultConfig;
NameServerList = nameServerList;
SlidingDoors = new ConcurrentDictionary <int, SlidingDoor>();
Topic = topic;
GroupId = groupId;
ConsumerId = consumerId ?? string.Empty;
if (start)
{
Start();
}
}