private void SendMessageTo(TcpClientInfo tcpClientInfo, Message message)
{
if (status == ConnectionStatus.CLOSED || tcpClientInfo.status == ConnectionStatus.CLOSED)
{
return;
}
message.sender = config.Name;
byte[] data = message.GetRaw();
try
{
tcpClientInfo.tcpclient.Client.Send(data, 0, data.Length, SocketFlags.None);
}
catch (Exception e)
{
if (e is SocketException)
{
Logger.Log("Socket cannot be written to", e.ToString());
}
else if (e is ObjectDisposedException)
{
Logger.Log("Socket is already closed", e.ToString());
}
else
{
Logger.Log("Unexpected error", e.ToString());
}
Shutdown();
return;
}
}
private void Listen(IAsyncResult ar)
{
if (status == ConnectionStatus.CLOSED)
{
return;
}
var server = ar.AsyncState as TcpListener;
try {
var new_client = new TcpClientInfo(server.EndAcceptTcpClient(ar));
clients.Add(new_client);
server.BeginAcceptTcpClient(Listen, server);
}
catch (SocketException e)
{
Logger.Log("Socket cannot be read from", e.ToString());
Shutdown();
}
catch (ObjectDisposedException e)
{
Logger.Log("Socket is already closed", e.ToString());
Shutdown();
}
}
public void Join()
{
TcpClientInfo new_client = null;
try
{
new_client = new TcpClientInfo(new TcpClient(config.IP, config.Port))
{
status = ConnectionStatus.HOSTING
};
clients.Add(new_client);
SetProperty(ref status, ConnectionStatus.JOINED, new List <string>()
{
"CanJoin", "CanHost", "CanLeave"
});
}
catch (Exception e)
{
if (e is ArgumentNullException || e is ArgumentOutOfRangeException)
{
Logger.Log("Invalid port", e.ToString());
}
else if (e is SocketException)
{
Logger.Log("Socket cannot be opened", e.ToString());
}
else
{
Logger.Log("Unexpected error", e.ToString());
}
Shutdown();
return;
}
var receiveObject = new ReceiveObject()
{
tcpclientinfo = new_client
};
try
{
new_client.tcpclient.Client.BeginReceive(receiveObject.buffer, 0, ReceiveObject.BufferSize, SocketFlags.None, Receive, receiveObject);
}
catch (Exception e)
{
if (e is ArgumentNullException || e is ArgumentOutOfRangeException)
{
Logger.Log("Invalid port", e.ToString());
}
else if (e is SocketException)
{
Logger.Log("Socket cannot be read from", e.ToString());
}
else if (e is ObjectDisposedException)
{
Logger.Log("Socket is already closed", e.ToString());
}
else
{
Logger.Log("Unexpected error", e.ToString());
}
Shutdown();
}
}
