public byte[] Recv(bool noWait = false)
{
EnsureNotDisposed();
using (var frame = new MsgFrame())
{
var flags = noWait ? Native.Socket.DONTWAIT : 0;
again:
var res = Native.MsgFrame.zmq_msg_recv(frame._msgPtr, this.SocketPtr, flags);
if (res == Native.ErrorCode)
{
var error = Native.LastError();
if (error == ZmqErrorCode.EAGAIN || error == ZmqErrorCode.EINTR)
{
goto again;
}
if (LogAdapter.LogEnabled)
{
LogAdapter.LogError("Socket", "Recv interrupted with " + error + " - " + Native.LastErrorString(error));
}
Native.ThrowZmqError(error, "Recv");
}
else
{
return(frame.ToBytes());
}
}
return(null);
}
public void Send(byte[] buffer, bool hasMoreToSend = false, bool noWait = false)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
EnsureNotDisposed();
var flags = hasMoreToSend ? Native.Socket.SNDMORE : 0;
flags += noWait ? Native.Socket.DONTWAIT : 0;
var len = buffer.Length;
again:
var res = Native.Socket.zmq_send(this.SocketPtr, buffer, len, flags);
// for now we're treating EAGAIN as error.
// not sure that's OK
if (res == Native.ErrorCode)
{
var error = Native.LastError();
if (error == ZmqErrorCode.EINTR || error == ZmqErrorCode.EAGAIN)
{
goto again;
}
if (LogAdapter.LogEnabled)
{
LogAdapter.LogError("Socket", "Send interrupted with " + error + " - " + Native.LastErrorString(error));
}
Native.ThrowZmqError("Send");
}
}
public bool Poll(int timeout)
{
int res = 0;
try
{
if (!Context.IsMono && Environment.Is64BitProcess)
{
res = Native.Poll.zmq_poll_x64(_items_x64, _items_x64.Length, timeout);
if (res == 0)
{
return(false); // nothing happened
}
if (res > 0)
{
this.InternalFireEvents64(_items_x64);
}
}
else
{
res = Native.Poll.zmq_poll_x86(_items_x86, _items_x86.Length, timeout);
if (res == 0)
{
return(false); // nothing happened
}
if (res > 0)
{
this.InternalFireEvents86(_items_x86);
}
}
if (res == Native.ErrorCode)
{
var error = Native.LastError();
if (error != ZmqErrorCode.EINTR) // Unix system interruption
{
Native.ThrowZmqError();
}
}
}
catch (SEHException zex) // rare, but may happen if the endpoint disconnects uncleanly
{
var msg = "Error polling socket(s): " + Native.LastErrorString() + " Inner: " + zex.InnerException;
System.Diagnostics.Trace.TraceError(msg);
System.Diagnostics.Debug.WriteLine(msg);
if (LogAdapter.LogEnabled)
{
LogAdapter.LogError(this.GetType().FullName, msg);
}
}
return(res > 0);
}
public void Connect(string endpoint)
{
if (string.IsNullOrEmpty(endpoint))
{
throw new ArgumentNullException("endpoint");
}
EnsureNotDisposed();
var res = Native.Socket.zmq_connect(this.SocketPtr, endpoint);
if (res == Native.ErrorCode)
{
if (Native.LastError() == 128)
{
System.Diagnostics.Debugger.Break();
}
Native.ThrowZmqError("Connecting " + endpoint);
}
}
