/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file pStatServerControlMessage.cxx
 * @author drose
 * @date 2000-07-09
 */

#include "config_pstats.h"
#include "pStatServerControlMessage.h"

#include "datagram.h"
#include "datagramIterator.h"

/**
 *
 */
PStatServerControlMessage::
PStatServerControlMessage() {
  _type = T_invalid;
}

/**
 * Writes the message into the indicated datagram.
 */
void PStatServerControlMessage::
encode(Datagram &datagram) const {
  datagram.clear();
  datagram.add_uint8(_type);
  switch (_type) {
  case T_hello:
    datagram.add_string(_server_hostname);
    datagram.add_string(_server_progname);
    datagram.add_uint16(_udp_port);
    break;

  default:
    pstats_cat.error()
      << "Invalid PStatServerControlMessage::Type " << (int)_type << "\n";
  }
}

/**
 * Extracts the message from the indicated datagram.  Returns true on success,
 * false on error.
 */
bool PStatServerControlMessage::
decode(const Datagram &datagram) {
  DatagramIterator source(datagram);
  _type = (Type)source.get_uint8();

  switch (_type) {
  case T_hello:
    _server_hostname = source.get_string();
    _server_progname = source.get_string();
    _udp_port = source.get_uint16();
    break;

  default:
    pstats_cat.error()
      << "Read invalid PStatServerControlMessage type: " << (int)_type << "\n";
    _type = T_invalid;
    return false;
  }

  return true;
}