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panda/src/pstatclient/pStatServerControlMessage.cxx

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// Filename: pStatServerControlMessage.cxx
// Created by:  drose (09Jul00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

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

#include <datagram.h>
#include <datagramIterator.h>

////////////////////////////////////////////////////////////////////
//     Function: PStatServerControlMessage::Constructor
//       Access: Public
//  Description:
////////////////////////////////////////////////////////////////////
PStatServerControlMessage::
PStatServerControlMessage() {
  _type = T_invalid;
}

////////////////////////////////////////////////////////////////////
//     Function: PStatServerControlMessage::encode
//       Access: Public
//  Description: 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";
  }
}

////////////////////////////////////////////////////////////////////
//     Function: PStatServerControlMessage::decode
//       Access: Public
//  Description: 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;
}

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