89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
// Filename: queuedConnectionReader.h
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// Created by: drose (08Feb00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef QUEUEDCONNECTIONREADER_H
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#define QUEUEDCONNECTIONREADER_H
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#include <pandabase.h>
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#include "connectionReader.h"
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#include "netDatagram.h"
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#include "queuedReturn.h"
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#include <prlock.h>
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#include "pdeque.h"
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EXPORT_TEMPLATE_CLASS(EXPCL_PANDA, EXPTP_PANDA, QueuedReturn<NetDatagram>);
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#ifndef NDEBUG
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// We define this variable if we're compiling code to implement a
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// simulated network latency, useful for debuggin networked programs.
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// Normally, since this is a debugging tool, we wouldn't compile this
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// feature in if we're building a program for public release.
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#define SIMULATE_NETWORK_DELAY
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#endif
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////////////////////////////////////////////////////////////////////
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// Class : QueuedConnectionReader
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// Description : This flavor of ConnectionReader will read from its
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// sockets and queue up all of the datagrams read for
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// later receipt by the client code. This class is
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// useful for client code that doesn't want to deal with
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// threading and is willing to poll for datagrams at its
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// convenience.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA QueuedConnectionReader : public ConnectionReader,
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public QueuedReturn<NetDatagram> {
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PUBLISHED:
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QueuedConnectionReader(ConnectionManager *manager, int num_threads);
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virtual ~QueuedConnectionReader();
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bool data_available();
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bool get_data(NetDatagram &result);
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bool get_data(Datagram &result);
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protected:
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virtual void receive_datagram(const NetDatagram &datagram);
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#ifdef SIMULATE_NETWORK_DELAY
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PUBLISHED:
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void start_delay(double min_delay, double max_delay);
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void stop_delay();
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private:
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void get_delayed();
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void delay_datagram(const NetDatagram &datagram);
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class DelayedDatagram {
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public:
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double _reveal_time;
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NetDatagram _datagram;
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};
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PRLock *_dd_mutex;
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typedef pdeque<DelayedDatagram> Delayed;
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Delayed _delayed;
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bool _delay_active;
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double _min_delay, _delay_variance;
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#endif // SIMULATE_NETWORK_DELAY
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};
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#endif
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