100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
|
// The MIT License (MIT)
|
||
|
|
//
|
||
|
|
// Copyright (c) Itay Grudev 2015 - 2016
|
||
|
|
//
|
||
|
|
// 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 file is not part of the SingleApplication API. It is used purely as an
|
||
|
|
// implementation detail. This header file may change from version to
|
||
|
|
// version without notice, or may even be removed.
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef SINGLEAPPLICATION_P_H
|
||
|
|
#define SINGLEAPPLICATION_P_H
|
||
|
|
|
||
|
|
#include <QtCore/QSharedMemory>
|
||
|
|
#include <QtNetwork/QLocalServer>
|
||
|
|
#include <QtNetwork/QLocalSocket>
|
||
|
|
#include "singleapplication.h"
|
||
|
|
|
||
|
|
struct InstancesInfo {
|
||
|
|
bool primary;
|
||
|
|
quint32 secondary;
|
||
|
|
qint64 primaryPid;
|
||
|
|
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)
|
||
|
|
|
||
|
|
SingleApplicationPrivate( SingleApplication *q_ptr );
|
||
|
|
~SingleApplicationPrivate();
|
||
|
|
|
||
|
|
void genBlockServerName(const char *appName);
|
||
|
|
void initializeMemoryBlock();
|
||
|
|
void startPrimary();
|
||
|
|
void startSecondary();
|
||
|
|
void connectToPrimary(int msecs, ConnectionType connectionType );
|
||
|
|
quint16 blockChecksum();
|
||
|
|
qint64 primaryPid();
|
||
|
|
void readInitMessageHeader(QLocalSocket *socket);
|
||
|
|
void readInitMessageBody(QLocalSocket *socket);
|
||
|
|
|
||
|
|
SingleApplication *q_ptr;
|
||
|
|
QSharedMemory *memory;
|
||
|
|
QLocalSocket *socket;
|
||
|
|
QLocalServer *server;
|
||
|
|
quint32 instanceNumber;
|
||
|
|
QString blockServerName;
|
||
|
|
SingleApplication::Options options;
|
||
|
|
QMap<QLocalSocket*, ConnectionInfo> connectionMap;
|
||
|
|
|
||
|
|
public Q_SLOTS:
|
||
|
|
void slotConnectionEstablished();
|
||
|
|
void slotDataAvailable( QLocalSocket*, quint32 );
|
||
|
|
void slotClientConnectionClosed( QLocalSocket*, quint32 );
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // SINGLEAPPLICATION_P_H
|