public int clientConnect(string hostname, ushort port, ref int socketNumber)
{
EthernetClientNet client = NewClient(ref socketNumber);
if (client != null)
{
return(client.connect(hostname, port));
}
// all TcpClient sockets used
setExceptionMessage(new SocketException(10024));
return(-1);
}
private bool tryGetClient(int socketNumber, out EthernetClientNet client)
{
client = null;
if (socketNumber < 0 || socketNumber >= MAX_CLIENTS)
{
return(false);
}
client = _clients[socketNumber];
if (client == null)
{
return(false);
}
return(true);
}
private void listenForClients()
{
try
{
_tcpListener.Start();
while (true)
{
TcpClient tcpClient = null;
try
{
//blocks until a client has connected to the server
tcpClient = _tcpListener.AcceptTcpClient();
int socketNumber = -1;
EthernetClientNet ethernetClient = _ethernet.NewClient(ref socketNumber);
if (ethernetClient != null)
{
ethernetClient.connect(tcpClient);
lock (_newSocketNumbers)
_newSocketNumbers.Enqueue(socketNumber);
}
else
{
// all EternetClientNet sockets used, close new TCP client
tcpClient.Close();
}
}
catch
{
return;
}
}
}
finally
{
// nothing to do for now
}
}
public EthernetClientNet NewClient(ref int socketNumber)
{
lock (_clients)
{
for (int i = 0; i < _clients.Length; i++)
{
if (_clients[i] == null || !_clients[i].Allocated)
{
if (_clients[i] == null)
{
_clients[i] = new EthernetClientNet();
}
_clients[i].Allocated = true;
socketNumber = i;
return(_clients[i]);
}
}
}
socketNumber = -1;
return(null);
}
