public MessageEnvelope CallRaw(byte[] data,
string routingKey,
IBasicProperties messageProperties,
RpcSendOptions options)
{
// CreateBasicProperties doesnt need the lock
var prop = messageProperties ?? _model.CreateBasicProperties();
using (var @event = new AutoResetEvent(false))
{
prop.CorrelationId = Guid.NewGuid().ToString();
prop.Expiration = options.Timeout.TotalMilliseconds.ToString();
_waits[prop.CorrelationId] = @event;
lock (_model)
{
var returnQueue = GetOrCreateReturnQueue(routingKey);
prop.ReplyTo = returnQueue;
}
lock (_model)
{
_model.BasicPublish(_exchange, routingKey, prop, data);
}
if ([email protected](options.Timeout))
{
MessageEnvelope val;
_replyData.TryRemove(prop.CorrelationId, out val);
LogAdapter.LogDebug("RpcHelper", "Timeout'ed correlation id " + prop.CorrelationId + " for " + routingKey);
throw new TimeoutException("Timeout waiting for reply.");
}
MessageEnvelope reply;
_replyData.TryRemove(prop.CorrelationId, out reply);
return(reply);
}
}
private void OnProc()
{
try
{
while (!_closed)
{
var args = base.Queue.Dequeue();
if (args == null)
{
continue;
}
if (_consumers.Count == 0)
{
// throwing out messages due to lack of consumers
if (LogAdapter.LogEnabled)
{
LogAdapter.LogDebug(this.GetType().FullName,
"SharedQueueConsumer dropping message due to lack of consumers subscribed");
}
continue;
}
PublishToConsumers(args);
}
}
catch (Exception e)
{
if (LogAdapter.LogEnabled)
{
LogAdapter.LogError(this.GetType().FullName, "SharedQueueConsumer error ", e);
}
}
}
private void OnConnectionUnblocked(object sender, EventArgs e)
{
LogAdapter.LogWarn("Connection", "Connection Unblocked - broker running is back on its feet");
}
private void OnConnectionBlocked(object sender, ConnectionBlockedEventArgs e)
{
LogAdapter.LogWarn("Connection", "Connection blocked - broker running low on resources (memory or disk)");
}
private void ResetQueueCache()
{
LogAdapter.LogWarn("RpcHelper", "Reseting return queue cache.");
_routing2RetQueue.Clear();
}
public void HandleModelShutdown(object model, ShutdownEventArgs reason)
{
LogAdapter.LogWarn("RpcHelper", "Model Shutdown. Reason: " + reason);
ResetQueueCache();
}
public override void HandleBasicCancel(string consumerTag)
{
base.HandleBasicCancel(consumerTag);
LogAdapter.LogWarn("StreamerConsumer", "consumer has been cancelled unexpectedly: tag " + consumerTag);
}
