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);
}
//*********************************************************************
// protected methods and variables from here on
//*********************************************************************
protected ByteBuffer readAll(ByteBuffer dst)
{
int cap = dst.capacity();
while (cap > 0)
{
int now = sockChan.read(dst);
cap -= now;
}
return(dst);
}
//*********************************************************************
// protected methods and variables from here on
//*********************************************************************
protected ByteBuffer readAll(ByteBuffer dst)
{
lock (this) {
// Implement our own read-time-out for when the connection goes down....
int cap = dst.capacity();
while (cap > 0 && sockChan.isConnected())
{
int now = sockChan.read(dst);
if (now == 0)
{
return(dst); // read failed = abort
}
cap -= now;
}
return(dst);
}
}
