public void InitUDP()
{
if (OwningConnection.MyTCPSocket != null)
{
m_SendArgsUDP = SocketAsyncEventArgsCache.PopSendEventArg(new EventHandler <SocketAsyncEventArgs>(IO_Completed), OwningConnection.MyUDPSocket);
}
else
{
throw new ArgumentException("AsynchTransitStrategy can't initialize UDP until the NetworkConnection has a valid UDPSocket. Currently UDPSocket is null.");
}
}
public void StopListening()
{
try
{
m_ShuttingDown = true;
if (Socket != null)
{
Log.LogMsg("Shutting down UDP listener Socket. ");
StackTrace stackTrace = new StackTrace(); // get call stack
StackFrame[] stackFrames = stackTrace.GetFrames(); // get method calls (frames)
// write call stack method names
foreach (StackFrame stackFrame in stackFrames)
{
Log.LogMsg(stackFrame.GetFileName() + ", " + stackFrame.GetFileLineNumber() + " :" + stackFrame.GetMethod().Name); // write method name
}
Socket.Shutdown(SocketShutdown.Both);
}
}
catch (Exception e)
{
}
finally
{
if (Socket != null)
{
Log.LogMsg("Closing UDP listener Socket.");
Socket.Close();
Socket = null;
}
if (m_ListenArgs != null)
{
for (int i = 0; i < m_ListenArgs.Count; i++)
{
SocketAsyncEventArgsCache.PushReadEventArg(m_ListenArgs[i], new EventHandler <SocketAsyncEventArgs>(ReadCompleted));
}
}
Listening = false;
}
}
public void AfterShutdown()
{
if (m_RecArgs != null)
{
SocketAsyncEventArgsCache.PushReadEventArg(m_RecArgs, new EventHandler <SocketAsyncEventArgs>(IO_Completed));
m_RecArgs = null;
}
if (m_SendArgs != null)
{
SocketAsyncEventArgsCache.PushSendEventArg(m_SendArgs, new EventHandler <SocketAsyncEventArgs>(IO_Completed));
m_SendArgs = null;
}
if (m_SendArgsUDP != null)
{
SocketAsyncEventArgsCache.PushSendEventArg(m_SendArgsUDP, new EventHandler <SocketAsyncEventArgs>(IO_Completed));
m_SendArgsUDP = null;
}
}
public bool StartListening(AddressFamily family, int port, int maxSimultaneousListens, Func <IPEndPoint, INetworkConnection> getConMethod)
{
try
{
GetConnnection = getConMethod;
if (Socket == null)
{
//// Log.LogMsg("Testy 30");
Socket = new System.Net.Sockets.Socket(family, SocketType.Dgram, ProtocolType.Udp);
//// Log.LogMsg("Testy 31");
Socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
//// Log.LogMsg("Testy 32");
Socket.ExclusiveAddressUse = false;
//// Log.LogMsg("Testy 33");
if (family == AddressFamily.InterNetworkV6)
{
//// Log.LogMsg("Testy 34");
Socket.SetSocketOption(SocketOptionLevel.IPv6, (SocketOptionName)27, 0); // set IPV6Only to false. enables dual mode socket - V4+v6
//// Log.LogMsg("Testy 35");
Socket.Bind(new IPEndPoint(IPAddress.IPv6Any, port));
//// Log.LogMsg("Testy 36");
}
else
{
//// Log.LogMsg("Testy 37");
Socket.Bind(new IPEndPoint(IPAddress.Any, port));
}
}
//// Log.LogMsg("Testy 38");
Port = ((IPEndPoint)Socket.LocalEndPoint).Port;
m_ListenArgs = new List <SocketAsyncEventArgs>(maxSimultaneousListens);
for (int i = 0; i < maxSimultaneousListens; i++)
{
//// Log.LogMsg("Testy 39");
SocketAsyncEventArgs arg = SocketAsyncEventArgsCache.PopReadEventArg(new EventHandler <SocketAsyncEventArgs>(ReadCompleted), Socket);
if (family == AddressFamily.InterNetworkV6)
{
arg.RemoteEndPoint = new IPEndPoint(IPAddress.IPv6Any, 0);
}
else
{
arg.RemoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
}
//// Log.LogMsg("Testy 40");
m_ListenArgs.Add(arg);
//// Log.LogMsg("Testy 41");
bool willRaiseEvent = Socket.ReceiveFromAsync(arg);
//// Log.LogMsg("Testy 999");
if (!willRaiseEvent)
{
//// Log.LogMsg("Testy 42");
OnReceiveResolved(arg);
}
}
}
catch (Exception e)
{
Log.LogMsg("UDPListener - error start listen: " + e.Message);
return(false);
}
Listening = true;
Log.LogMsg("UDPListener - Listening for UDP traffic on port " + port.ToString() + " with " + maxSimultaneousListens.ToString() + " max listeners.");
return(true);
}
