public bool connect(string hostname, int port)
{
if (sockChan == null)
{
sockChan = new SocketChannel();
}
else if (sockChan.isConnected())
{
disconnect();
}
sockChan.connect(hostname, port);
return(sockChan.isConnected());
}
public bool isConnected()
{
bool conn = false;
if (activeConnection && sockChan != null && sockChan.isConnected())
{
// try to read 1 byte, if this fails then the socket was reset
int nread = -1;
try {
ByteBuffer tmp = ByteBuffer.allocate(1);
sockChan.socket().Client.Blocking = false;
nread = sockChan.read(tmp); // fast non-blocking read
sockChan.socket().Client.Blocking = true;
} catch (IOException e) { }
//System.Console.WriteLine("read " + nread + "bytes"); System.out.flush();
if (nread < 0)
{
activeConnection = false;
}
else
{
conn = true;
}
}
return(conn);
}
public bool connect(string host, int port)
{
if (sockChan == null)
{
sockChan = new SocketChannel();
}
else if (sockChan.isConnected())
{
disconnect();
sockChan = new SocketChannel(); // force build of new socket connection
}
this.host = host;
this.port = port;
sockChan.connect(this.host, this.port);
return(sockChan.isConnected());
}
virtual public bool connect(string hostname, int port)
{
// if ( sockChan == null )
// {
sockChan = new SocketChannel();
// }
// else if ( sockChan != null && sockChan.isConnected()) {
// disconnect(); // disconnect old connection
//}
sockChan.connect(hostname, port);
activeConnection = sockChan.isConnected();
if (activeConnection) // cache the connection info
{
this.host = hostname;
this.port = port;
}
return(activeConnection);
}