50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file recentConnectionReader.h
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* @author drose
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* @date 2000-06-23
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*/
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#ifndef RECENTCONNECTIONREADER_H
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#define RECENTCONNECTIONREADER_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 "lightMutex.h"
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/**
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* This flavor of ConnectionReader will read from its sockets and retain only
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* the single most recent datagram for inspection by client code. It's useful
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* particularly for reading telemetry-type data from UDP sockets where you
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* don't care about getting every last socket, and in fact if the sockets are
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* coming too fast you'd prefer to skip some of them.
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*
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* This class will always create one thread for itself.
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*/
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class EXPCL_PANDA_NET RecentConnectionReader : public ConnectionReader {
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PUBLISHED:
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explicit RecentConnectionReader(ConnectionManager *manager);
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virtual ~RecentConnectionReader();
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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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private:
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bool _available;
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Datagram _datagram;
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LightMutex _mutex;
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};
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#endif
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