protected override void XAttachPipe(Pipe pipe, bool icanhasall)
{
Debug.Assert(pipe != null);
// ZMQ_PAIR socket can only be connected to a single peer.
// The socket rejects any further connection requests.
if (m_pipe == null)
m_pipe = pipe;
else
pipe.Terminate (false);
}
private void AttachPipe(Pipe pipe, bool icanhasall)
{
// First, register the pipe so that we can terminate it later on.
pipe.SetEventSink(this);
m_pipes.Add(pipe);
// Let the derived socket type know about new pipe.
XAttachPipe(pipe, icanhasall);
// If the socket is already being closed, ask any new pipes to terminate
// straight away.
if (IsTerminating)
{
RegisterTermAcks(1);
pipe.Terminate(false);
}
}
public void Hiccuped(Pipe pipe)
{
if (m_options.DelayAttachOnConnect)
pipe.Terminate(false);
else
// Notify derived sockets of the hiccup
XHiccuped(pipe);
}
protected override bool XSend(ref Msg msg, SendReceiveOptions flags)
{
// If this is the first part of the message it's the ID of the
// peer to send the message to.
if (!m_moreOut)
{
Debug.Assert(m_currentOut == null);
// If we have malformed message (prefix with no subsequent message)
// then just silently ignore it.
// TODO: The connections should be killed instead.
if (msg.HasMore)
{
m_moreOut = true;
// Find the pipe associated with the identity stored in the prefix.
// If there's no such pipe just silently ignore the message, unless
// mandatory is set.
Blob identity = new Blob(msg.Data, msg.Size);
Outpipe op;
if (m_outpipes.TryGetValue(identity, out op))
{
m_currentOut = op.Pipe;
if (!m_currentOut.CheckWrite())
{
op.Active = false;
m_currentOut = null;
if (m_mandatory)
{
m_moreOut = false;
return(false);
}
}
}
else if (m_mandatory)
{
m_moreOut = false;
throw NetMQException.Create(ErrorCode.EHOSTUNREACH);
}
}
// Detach the message from the data buffer.
msg.Close();
msg.InitEmpty();
return(true);
}
if (m_options.RawSocket)
{
msg.ResetFlags(MsgFlags.More);
}
// Check whether this is the last part of the message.
m_moreOut = msg.HasMore;
// Push the message into the pipe. If there's no out pipe, just drop it.
if (m_currentOut != null)
{
// Close the remote connection if user has asked to do so
// by sending zero length message.
// Pending messages in the pipe will be dropped (on receiving term- ack)
if (m_rawSocket && msg.Size == 0)
{
m_currentOut.Terminate(false);
msg.Close();
msg.InitEmpty();
m_currentOut = null;
return(true);
}
bool ok = m_currentOut.Write(ref msg);
if (!ok)
{
m_currentOut = null;
}
else if (!m_moreOut)
{
m_currentOut.Flush();
m_currentOut = null;
}
}
else
{
msg.Close();
}
// Detach the message from the data buffer.
msg.InitEmpty();
return(true);
}