// 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 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 #include #include #include "singleapplication.h" struct InstancesInfo { bool primary; quint32 secondary; qint64 primaryPid; quint16 checksum; char primaryUser[128]; }; 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(); QString getUsername(); void genBlockServerName(); void initializeMemoryBlock(); void startPrimary(); void startSecondary(); void connectToPrimary(int msecs, ConnectionType connectionType ); quint16 blockChecksum(); qint64 primaryPid(); QString primaryUser(); 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 connectionMap; public Q_SLOTS: void slotConnectionEstablished(); void slotDataAvailable( QLocalSocket*, quint32 ); void slotClientConnectionClosed( QLocalSocket*, quint32 ); }; #endif // SINGLEAPPLICATION_P_H