private static bool Compare([NotNull] NetMQFrame a, [NotNull] NetMQFrame b, int size)
{
for (int i = 0; i < size; i++)
{
if (a.Buffer[i] != b.Buffer[i])
{
return(false);
}
}
return(true);
}
private bool Compare(NetMQFrame a, NetMQFrame b, int size)
{
for (int i = 0; i < size; i++)
{
if (a.Buffer[i] != b.Buffer[i])
{
return(false);
}
}
return(true);
}
private NetMQFrame ReceiveUdpFrame(out string peerName)
{
var buffer = new byte[UdpFrameMax];
EndPoint peer = new IPEndPoint(IPAddress.Any, 0);
int bytesRead = m_udpSocket.ReceiveFrom(buffer, ref peer);
var frame = new NetMQFrame(bytesRead);
Buffer.BlockCopy(buffer, 0, frame.Buffer, 0, bytesRead);
peerName = peer.ToString();
return(frame);
}
private void SendUdpFrame(NetMQFrame frame)
{
Assumes.NotNull(m_udpSocket);
try
{
m_udpSocket.SendTo(frame.Buffer, 0, frame.MessageSize, SocketFlags.None, m_broadcastAddress);
}
catch (SocketException ex) when(ex.SocketErrorCode == SocketError.AddressNotAvailable)
{
// Initiate Creation of new Udp here to solve issue related to 'sudden' network change.
// On windows (7 OR 10) incorrect/previous ip address might still exist instead of new Ip
// due to network change which causes crash (if no try/catch and keep trying to send to incorrect/not available address.
// This approach would solve the issue...
}
}
private void OnPipeReady(object sender, NetMQSocketEventArgs e)
{
NetMQMessage message = m_pipe.ReceiveMessage();
string command = message.Pop().ConvertToString();
switch (command)
{
case ConfigureCommand:
string interfaceName = message.Pop().ConvertToString();
int port = message.Pop().ConvertToInt32();
Configure(interfaceName, port);
break;
case PublishCommand:
m_transmit = message.Pop();
m_pingTimer.Interval = message.Pop().ConvertToInt32();
m_pingTimer.Enable = true;
SendUdpFrame(m_transmit);
break;
case SilenceCommand:
m_transmit = null;
m_pingTimer.Enable = false;
break;
case SubscribeCommand:
m_filter = message.Pop();
break;
case UnsubscribeCommand:
m_filter = null;
break;
case NetMQActor.EndShimMessage:
m_poller.Stop(false);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public void HandlePipe()
{
NetMQMessage message = m_pipe.ReceiveMessage();
string command = message.Pop().ConvertToString();
switch (command)
{
case ConfigureCommand:
string interfaceName = message.Pop().ConvertToString();
int port = message.Pop().ConvertToInt32();
Configure(interfaceName, port);
break;
case PublishCommand:
m_transmit = message.Pop();
m_interval = message.Pop().ConvertToInt32();
// Start broadcasting immediately
m_pingAt = Clock.NowMs();
break;
case SilenceCommand:
m_transmit = null;
break;
case SubscribeCommand:
m_filter = message.Pop();
break;
case UnsubscribeCommand:
m_filter = null;
break;
case ActorKnownMessages.END_PIPE:
m_terminated = true;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private bool TryReceiveUdpFrame(out NetMQFrame frame, out string peerName)
{
Assumes.NotNull(m_udpSocket);
var buffer = new byte[UdpFrameMax];
EndPoint peer = new IPEndPoint(IPAddress.Any, 0);
int bytesRead = 0;
try
{
bytesRead = m_udpSocket.ReceiveFrom(buffer, ref peer);
}
catch (SocketException ex) when(ex.SocketErrorCode == SocketError.MessageSize)
{
frame = default;
peerName = null;
return(false);
}
peerName = peer.ToString();
frame = new NetMQFrame(buffer, bytesRead);
return(true);
}
private void SendUdpFrame(NetMQFrame frame)
{
m_udpSocket.SendTo(frame.Buffer, 0, frame.MessageSize, SocketFlags.None, m_broadcastAddress);
}
