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pandatool/src/pstatserver/pStatReader.h

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// Filename: pStatReader.h
// 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 .
//
////////////////////////////////////////////////////////////////////

#ifndef PSTATREADER_H
#define PSTATREADER_H

#include <pandatoolbase.h>

#include "pStatClientData.h"
#include "pStatMonitor.h"

#include <connectionReader.h>
#include <connectionWriter.h>
#include <referenceCount.h>
#include <circBuffer.h>

class PStatServer;
class PStatMonitor;
class PStatClientControlMessage;
class PStatFrameData;

// This is the maximum number of frame records that will be queued up
// from this particular client between processing loops.
static const int queued_frame_records = 500;

////////////////////////////////////////////////////////////////////
//       Class : PStatReader
// Description : This is the class that does all the work for handling
//               communications from a single Panda client.  It reads
//               sockets received from the client and boils them down
//               into PStatData.
////////////////////////////////////////////////////////////////////
class PStatReader : public ConnectionReader {
public:
  PStatReader(PStatServer *manager, PStatMonitor *monitor);
  ~PStatReader();

  void close();

  void set_tcp_connection(Connection *tcp_connection);
  void lost_connection();
  void idle();

private:
  string get_hostname();
  void send_hello();

  virtual void receive_datagram(const NetDatagram &datagram);

  void handle_client_control_message(const PStatClientControlMessage &message);
  void handle_client_udp_data(const Datagram &datagram);
  void dequeue_frame_data();

private:
  PStatServer *_manager;
  PT(PStatMonitor) _monitor;
  ConnectionWriter _writer;

  PT(Connection) _tcp_connection;
  PT(Connection) _udp_connection;
  int _udp_port;

  PT(PStatClientData) _client_data;

  string _hostname;

  class FrameData {
  public:
    int _thread_index;
    int _frame_number;
    PStatFrameData *_frame_data;
  };
  typedef CircBuffer<FrameData, queued_frame_records> QueuedFrameData;
  QueuedFrameData _queued_frame_data;
};

#endif

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