Clementine-audio-player-Mac-Linux-Windows/3rdparty/qtsingleapplication/qtlocalpeer.h

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#include <QtNetwork/QLocalServer>
#include <QtNetwork/QLocalSocket>
#include <QtCore/QDir>

#include "qtlockedfile.h"

class QtLocalPeer : public QObject
{
    Q_OBJECT

public:
    QtLocalPeer(QObject *parent = 0, const QString &appId = QString());
    ~QtLocalPeer ();
    bool isClient();
    bool sendMessage(const QString &message, int timeout);
    bool sendMessage(const QByteArray &message, int timeout);
    bool sendMessage(const char* message, int timeout);
    QString applicationId() const
        { return id; }

Q_SIGNALS:
    void messageReceived(const QString &message);
    void messageReceived(const QByteArray &message);
    void messageReceived(const char* message);

protected Q_SLOTS:
    void receiveConnection();

protected:
    QString id;
    QString socketName;
    QLocalServer* server;
    QtLockedFile lockFile;

private:
    static const char* ack;
    bool lockFileCreated;
};