public bool SendHandlers(object message)
{
switch (message)
{
case Send send when HasWritePending:
{
if (Udp.Setting.TraceLogging)
{
_log.Debug("Dropping write because queue is full");
}
Sender.Tell(new CommandFailed(send));
return(true);
}
case Send send:
{
if (send.HasData)
{
_pendingSend = send;
_pendingCommander = Sender;
//var e = Udp.SocketEventArgsPool.Acquire(Self);
if (send.Target is DnsEndPoint dns)
{
var resolved = Dns.ResolveName(dns.Host, Context.System, Self);
if (resolved != null)
{
try
{
_pendingSend = new Send(_pendingSend.Payload, new IPEndPoint(resolved.Addr, dns.Port), _pendingSend.Ack);
DoSend();
}
catch (Exception ex)
{
Sender.Tell(new CommandFailed(send));
_log.Debug("Failure while sending UDP datagram to remote address [{0}]: {1}",
send.Target, ex);
_retriedSend = false;
_pendingSend = null;
_pendingCommander = null;
}
}
}
else
{
DoSend();
}
}
else
{
if (send.WantsAck)
{
Sender.Tell(send.Ack);
}
}
return(true);
}
case SocketSent sent:
{
if (sent.EventArgs.SocketError == SocketError.Success)
{
if (Udp.Setting.TraceLogging)
{
_log.Debug("Wrote [{0}] bytes to channel", sent.EventArgs.BytesTransferred);
}
if (_pendingSend.WantsAck)
{
_pendingCommander.Tell(_pendingSend.Ack);
}
_retriedSend = false;
_pendingSend = null;
_pendingCommander = null;
}
else if (_retriedSend)
{
_pendingCommander.Tell(new CommandFailed(_pendingSend));
_retriedSend = false;
_pendingSend = null;
_pendingCommander = null;
}
else
{
DoSend();
_retriedSend = true;
}
return(true);
}
default: return(false);
}
}
