/** * Constructor, specifying the server host:port combination, login data and an output stream. * * @param host server name * @param port server port * @param user user name * @param pass password * @param output client output; if set to {@code null}, results will be returned as strings. * @throws IOException I/O exception */ public ClientSession( final String host, final int port, final String user, final String pass, final OutputStream output) throws IOException { super(output); ehost = host; socket = new Socket(); try { // limit timeout to five seconds socket.connect(new InetSocketAddress(host, port), 5000); } catch (final IllegalArgumentException ex) { throw new BaseXException(ex); } sin = socket.getInputStream(); // receive timestamp final BufferInput bi = new BufferInput(sin); final String ts = bi.readString(); // send user name and hashed password/timestamp sout = PrintOutput.get(socket.getOutputStream()); send(user); send(Token.md5(Token.md5(pass) + ts)); sout.flush(); // receive success flag if (!ok(bi)) throw new LoginException(); }
/** * 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); }
@Override public String toString() { return ehost + ':' + socket.getPort(); }
@Override public synchronized void close() throws IOException { if (esocket != null) esocket.close(); socket.close(); }