// returns TCPIPconnector.kClientLeft when client has left
protected string ServerRead(Socket sender)
{
string result = "";
if (this.type == TCPIPconnector.Server)
{
DataBox box = new DataBox();
box.socket = sender;
box.mutex.Reset();
if ((box.socket != null) && (box.socket.Connected))
{
box.socket.BeginReceive(box.buffer, 0, DataBox.bufferSize, 0, new AsyncCallback(ServerReadCallback), box);
box.mutex.WaitOne();
}
else
{
box.response = TCPIPconnector.kClientLeft;
}
result = box.response;
}
return result;
}
protected byte[] ServerReadObject(Socket sender)
{
byte[] rslt = new byte[DataBox.bufferSize];
if (this.type == TCPIPconnector.Server)
{
DataBox box = new DataBox();
box.socket = sender;
box.mutex.Reset();
if ((box.socket != null) && (box.socket.Connected))
{
box.socket.BeginReceive(box.buffer, 0, DataBox.bufferSize, 0, new AsyncCallback(ServerReadCallback), box);
box.mutex.WaitOne();
rslt = box.buffer;
}
else
{
box.response = TCPIPconnector.kClientLeft;
rslt = null;
}
}
return rslt;
}
// returns null if the server has left
protected byte[] ReadObject()
{
byte[] rslt = new byte[DataBox.bufferSize];
if (this.type == TCPIPconnector.Client)
{
DataBox box = new DataBox();
box.socket = this.sock;
this.clientReceive.Reset();
this.clientReading = true;
this.sock.Receive(box.buffer, 0, DataBox.bufferSize, 0);
this.clientReading = false;
this.clientReceive.Set();
rslt = box.buffer;
string result = Encoding.ASCII.GetString(box.buffer, 0, box.buffer.Length).TrimEnd('\0');
if (result == "!closeMe")
{
result = "";
}
if (result == "!closeYou")
{
this.clientConnected = false;
if (this.sock.Connected)
{
this.sock.Disconnect(false);
}
result = TCPIPconnector.kServerLeft;
rslt = null;
}
this.clientResponse = "";
}
return rslt;
}