112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
// The MIT License (MIT)
|
|
//
|
|
// Copyright (c) Itay Grudev 2015 - 2020
|
|
//
|
|
// 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
|
|
//
|
|
//
|
|
|
|
#ifndef SINGLEAPPLICATION_P_H
|
|
#define SINGLEAPPLICATION_P_H
|
|
|
|
#include <QtGlobal>
|
|
#include <QObject>
|
|
#include <QString>
|
|
#include <QMap>
|
|
|
|
#include "singleapplication.h"
|
|
|
|
class QLocalServer;
|
|
class QLocalSocket;
|
|
class QSharedMemory;
|
|
|
|
struct InstancesInfo {
|
|
bool primary;
|
|
quint32 secondary;
|
|
qint64 primaryPid;
|
|
char primaryUser[128];
|
|
quint16 checksum;
|
|
};
|
|
|
|
struct ConnectionInfo {
|
|
explicit ConnectionInfo() : msgLen(0), instanceId(0), stage(0) {}
|
|
qint64 msgLen;
|
|
quint32 instanceId;
|
|
quint8 stage;
|
|
};
|
|
|
|
class SingleApplicationPrivate : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
enum ConnectionType : quint8 {
|
|
InvalidConnection = 0,
|
|
NewInstance = 1,
|
|
SecondaryInstance = 2,
|
|
Reconnect = 3
|
|
};
|
|
enum ConnectionStage : quint8 {
|
|
StageHeader = 0,
|
|
StageBody = 1,
|
|
StageConnected = 2,
|
|
};
|
|
Q_DECLARE_PUBLIC(SingleApplication)
|
|
|
|
explicit SingleApplicationPrivate(SingleApplication *ptr);
|
|
~SingleApplicationPrivate() override;
|
|
|
|
QString getUsername();
|
|
void genBlockServerName();
|
|
void initializeMemoryBlock();
|
|
void startPrimary();
|
|
void startSecondary();
|
|
bool connectToPrimary(const int timeout, const ConnectionType connectionType);
|
|
quint16 blockChecksum();
|
|
qint64 primaryPid();
|
|
QString primaryUser();
|
|
void readInitMessageHeader(QLocalSocket *socket);
|
|
void readInitMessageBody(QLocalSocket *socket);
|
|
void randomSleep();
|
|
|
|
SingleApplication *q_ptr;
|
|
QSharedMemory *memory_;
|
|
QLocalSocket *socket_;
|
|
QLocalServer *server_;
|
|
quint32 instanceNumber_;
|
|
QString blockServerName_;
|
|
SingleApplication::Options options_;
|
|
QMap<QLocalSocket*, ConnectionInfo> connectionMap_;
|
|
|
|
public slots:
|
|
void slotConnectionEstablished();
|
|
void slotDataAvailable(QLocalSocket*, const quint32);
|
|
void slotClientConnectionClosed(QLocalSocket*, const quint32);
|
|
};
|
|
|
|
#endif // SINGLEAPPLICATION_P_H
|