view data/osc/OSCQueue.h @ 1752:6d09d68165a4 by-id

Further review of ById: make IDs only available when adding a model to the ById store, not by querying the item directly. This means any id encountered in the wild must have been added to the store at some point (even if later released), which simplifies reasoning about lifecycles

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

/*
   This is a modified version of a source file from the 
   Rosegarden MIDI and audio sequencer and notation editor.
   This file copyright 2000-2006 Chris Cannam and QMUL.
*/

#ifndef SV_OSC_QUEUE_H
#define SV_OSC_QUEUE_H

#include "OSCMessage.h"

#include "base/RingBuffer.h"

#include <QObject>

#ifdef HAVE_LIBLO
#include <lo/lo.h>
#endif

class OSCQueue : public QObject
{
    Q_OBJECT

public:
    OSCQueue(bool withNetworkPort);
    virtual ~OSCQueue();

    bool isOK() const;

    bool isEmpty() const { return getMessagesAvailable() == 0; }
    int getMessagesAvailable() const;
    void postMessage(OSCMessage);
    OSCMessage readMessage();

    QString getOSCURL() const;

    bool hasPort() const { return m_withPort; }

signals:
    void messagesAvailable();

protected:
#ifdef HAVE_LIBLO
    lo_server_thread m_thread;

    static void oscError(int, const char *, const char *);
    static int oscMessageHandler(const char *, const char *, lo_arg **,
                                 int, lo_message, void *);
#endif

    bool parseOSCPath(QString path, int &target, int &targetData, QString &method);

    bool m_withPort;
    RingBuffer<OSCMessage *> m_buffer;
};

#endif