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queuedConnectionReader.h
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70 lines (57 loc) · 1.85 KB
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/**
* 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 queuedConnectionReader.h
* @author drose
* @date 2000-02-08
*/
#ifndef QUEUEDCONNECTIONREADER_H
#define QUEUEDCONNECTIONREADER_H
#include "pandabase.h"
#include "connectionReader.h"
#include "netDatagram.h"
#include "queuedReturn.h"
#include "lightMutex.h"
#include "pdeque.h"
EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_NET, EXPTP_PANDA_NET, QueuedReturn<NetDatagram>);
/**
* This flavor of ConnectionReader will read from its sockets and queue up all
* of the datagrams read for later receipt by the client code. This class is
* useful for client code that doesn't want to deal with threading and is
* willing to poll for datagrams at its convenience.
*/
class EXPCL_PANDA_NET QueuedConnectionReader : public ConnectionReader,
public QueuedReturn<NetDatagram> {
PUBLISHED:
explicit QueuedConnectionReader(ConnectionManager *manager, int num_threads);
virtual ~QueuedConnectionReader();
BLOCKING bool data_available();
bool get_data(NetDatagram &result);
bool get_data(Datagram &result);
protected:
virtual void receive_datagram(const NetDatagram &datagram);
#ifdef SIMULATE_NETWORK_DELAY
PUBLISHED:
void start_delay(double min_delay, double max_delay);
void stop_delay();
private:
void get_delayed();
void delay_datagram(const NetDatagram &datagram);
class DelayedDatagram {
public:
double _reveal_time;
NetDatagram _datagram;
};
LightMutex _dd_mutex;
typedef pdeque<DelayedDatagram> Delayed;
Delayed _delayed;
bool _delay_active;
double _min_delay, _delay_variance;
#endif // SIMULATE_NETWORK_DELAY
};
#endif