/**
* Unwatches an event.
*
* @param name event name
* @throws IOException I/O exception
*/
public void unwatch(final String name) throws IOException {
sout.write(ServerCmd.UNWATCH.code);
send(name);
sout.flush();
receive(null);
notifiers.remove(name);
}
/**
* Watches an event.
*
* @param name event name
* @param notifier event notification
* @throws IOException I/O exception
*/
public void watch(final String name, final EventNotifier notifier) throws IOException {
sout.write(ServerCmd.WATCH.code);
if (esocket == null) {
sout.flush();
final BufferInput bi = new BufferInput(sin);
final int eport = Integer.parseInt(bi.readString());
// initialize event socket
esocket = new Socket();
esocket.connect(new InetSocketAddress(ehost, eport), 5000);
final OutputStream so = esocket.getOutputStream();
so.write(bi.readBytes());
so.write(0);
so.flush();
final InputStream is = esocket.getInputStream();
is.read();
listen(is);
}
send(name);
sout.flush();
receive(null);
notifiers.put(name, notifier);
}