/**
* Reads incoming data from the client:
*
* <UL>
* <LI>Reads some bytes from the SocketChannel
* <LI>create a protocolTask, to process this data, possibly generating an answer
* <LI>Inserts the Task to the ThreadPool
* </UL>
*
* @throws
* @throws IOException in case of an IOException during reading
*/
public void read() {
// do not read if OLD.protocol has terminated. only write of pending data is
// allowed
if (_protocol.shouldClose()) {
return;
}
SocketAddress address = _sChannel.socket().getRemoteSocketAddress();
logger.info("Reading from " + address);
ByteBuffer buf = ByteBuffer.allocate(BUFFER_SIZE);
int numBytesRead = 0;
try {
numBytesRead = _sChannel.read(buf);
} catch (IOException e) {
numBytesRead = -1;
}
// is the channel closed??
if (numBytesRead == -1) {
// No more bytes can be read from the channel
logger.info("client on " + address + " has disconnected");
closeConnection();
// tell the OLD.protocol that the connection terminated.
_protocol.connectionTerminated();
return;
}
// add the buffer to the OLD.protocol task
buf.flip();
_task.addBytes(buf);
// add the OLD.protocol task to the OLD.reactor
_data.getExecutor().execute(_task);
}
