strawberry-audio-player-win.../3rdparty/singleapplication/singlecoreapplication_p.h

117 lines
3.5 KiB
C
Raw Normal View History

2019-01-11 01:04:13 +01:00
// The MIT License (MIT)
//
2020-10-05 21:31:03 +02:00
// Copyright (c) Itay Grudev 2015 - 2020
2019-01-11 01:04:13 +01:00
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// W A R N I N G !!!
// -----------------
//
// This is a modified version of SingleApplication,
// The original version is at:
//
// https://github.com/itay-grudev/SingleApplication
//
2019-01-11 01:04:13 +01:00
//
2020-10-05 21:34:45 +02:00
#ifndef SINGLECOREAPPLICATION_P_H
#define SINGLECOREAPPLICATION_P_H
2019-01-11 01:04:13 +01:00
#include <QtGlobal>
2020-02-08 03:40:30 +01:00
#include <QObject>
2020-10-05 21:31:03 +02:00
#include <QString>
2021-07-12 08:28:52 +02:00
#include <QHash>
2019-01-11 01:04:13 +01:00
#include "singlecoreapplication.h"
2020-02-08 03:40:30 +01:00
class QLocalServer;
class QLocalSocket;
class QSharedMemory;
2019-01-11 01:04:13 +01:00
struct InstancesInfo {
bool primary;
quint32 secondary;
qint64 primaryPid;
2020-10-05 21:31:03 +02:00
char primaryUser[128];
quint16 checksum;
2019-01-11 01:04:13 +01:00
};
struct ConnectionInfo {
explicit ConnectionInfo() : msgLen(0), instanceId(0), stage(0) {}
2021-10-30 02:21:29 +02:00
quint64 msgLen;
quint32 instanceId;
quint8 stage;
2019-01-11 01:04:13 +01:00
};
class SingleCoreApplicationPrivate : public QObject {
Q_OBJECT
2020-10-05 21:31:03 +02:00
public:
enum ConnectionType : quint8 {
InvalidConnection = 0,
NewInstance = 1,
SecondaryInstance = 2,
Reconnect = 3
};
enum ConnectionStage : quint8 {
2022-02-06 00:07:15 +01:00
StageInitHeader = 0,
StageInitBody = 1,
StageConnectedHeader = 2,
StageConnectedBody = 3,
};
Q_DECLARE_PUBLIC(SingleCoreApplication)
2019-01-11 01:04:13 +01:00
2020-10-05 21:31:03 +02:00
explicit SingleCoreApplicationPrivate(SingleCoreApplication *ptr);
2020-06-26 23:01:57 +02:00
~SingleCoreApplicationPrivate() override;
2019-01-11 01:04:13 +01:00
2021-06-22 13:41:38 +02:00
static QString getUsername();
void genBlockServerName();
2021-08-25 02:29:05 +02:00
void initializeMemoryBlock() const;
void startPrimary();
void startSecondary();
2021-03-21 18:53:02 +01:00
bool connectToPrimary(const int timeout, const ConnectionType connectionType);
2021-06-22 13:45:29 +02:00
quint16 blockChecksum() const;
qint64 primaryPid() const;
QString primaryUser() const;
2022-02-06 00:07:15 +01:00
bool isFrameComplete(QLocalSocket *sock);
void readMessageHeader(QLocalSocket *socket, const ConnectionStage nextStage);
void readInitMessageBody(QLocalSocket *socket);
2022-02-06 00:07:15 +01:00
void writeAck(QLocalSocket *sock);
2022-02-06 04:18:40 +01:00
bool writeConfirmedFrame(const int timeout, const QByteArray &msg) const;
bool writeConfirmedMessage(const int timeout, const QByteArray &msg) const;
2021-06-22 13:41:38 +02:00
static void randomSleep();
2019-01-11 01:04:13 +01:00
SingleCoreApplication *q_ptr;
2020-10-05 21:31:03 +02:00
QSharedMemory *memory_;
QLocalSocket *socket_;
QLocalServer *server_;
quint32 instanceNumber_;
QString blockServerName_;
SingleCoreApplication::Options options_;
2021-07-12 08:28:52 +02:00
QHash<QLocalSocket*, ConnectionInfo> connectionMap_;
2019-01-11 01:04:13 +01:00
public slots:
void slotConnectionEstablished();
2020-10-05 21:31:03 +02:00
void slotDataAvailable(QLocalSocket*, const quint32);
void slotClientConnectionClosed(QLocalSocket*, const quint32);
2019-01-11 01:04:13 +01:00
};
2020-10-05 21:34:45 +02:00
#endif // SINGLECOREAPPLICATION_P_H