mirror of
https://github.com/zhuzichu520/FluentUI.git
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76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
#ifndef IPC_H
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#define IPC_H
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#include <QMap>
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#include <QObject>
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#include <QSharedMemory>
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#include <QTimer>
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#include <ctime>
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#include <functional>
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using IPCEventHandler = std::function<bool(const QByteArray&)>;
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#define IPC_PROTOCOL_VERSION "1"
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class IPC : public QObject
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{
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Q_OBJECT
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protected:
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static const int EVENT_TIMER_MS = 1000;
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static const int EVENT_GC_TIMEOUT = 5;
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static const int EVENT_QUEUE_SIZE = 32;
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static const int OWNERSHIP_TIMEOUT_S = 5;
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public:
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IPC(uint32_t profileId);
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~IPC();
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struct IPCEvent
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{
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uint32_t dest;
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int32_t sender;
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char name[16];
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char data[128];
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time_t posted;
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time_t processed;
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uint32_t flags;
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bool accepted;
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bool global;
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};
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struct IPCMemory
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{
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uint64_t globalId;
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time_t lastEvent;
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time_t lastProcessed;
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IPCEvent events[IPC::EVENT_QUEUE_SIZE];
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};
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time_t postEvent(const QString& name, const QByteArray& data = QByteArray(), uint32_t dest = 0);
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bool isCurrentOwner();
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void registerEventHandler(const QString& name, IPCEventHandler handler);
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bool isEventAccepted(time_t time);
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bool waitUntilAccepted(time_t time, int32_t timeout = -1);
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bool isAttached() const;
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public slots:
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void setProfileId(uint32_t profileId);
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private:
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IPCMemory* global();
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bool runEventHandler(IPCEventHandler handler, const QByteArray& arg);
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IPCEvent* fetchEvent();
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void processEvents();
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bool isCurrentOwnerNoLock();
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private:
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QTimer timer;
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uint64_t globalId;
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uint32_t profileId;
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QSharedMemory globalMemory;
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QMap<QString, IPCEventHandler> eventHandlers;
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};
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#endif // IPC_H
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