EventLoop.h

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/*
 * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
#ifndef SQUID_EVENTLOOP_H
#define SQUID_EVENTLOOP_H
 
#include "time/forward.h"
 
#include <vector>
 
#define EVENT_LOOP_TIMEOUT  1000 /* 1s timeout */
 
class AsyncEngine;
 
class EventLoop
{
 
public:
    EventLoop();
 
    void registerEngine(AsyncEngine *engine);
 
    void run();
 
    bool runOnce();
 
    void setPrimaryEngine(AsyncEngine * engine);
 
    void setTimeService(Time::Engine *);
 
    void stop();
 
    int errcount;
 
    static EventLoop *Running;
 
private:
    void prepareToRun();
 
    void checkEngine(AsyncEngine * engine, bool const primary);
 
    bool dispatchCalls();
 
    bool last_loop;
    typedef std::vector<AsyncEngine *> engine_vector;
    engine_vector engines;
    Time::Engine *timeService;
    AsyncEngine * primaryEngine;
    int loop_delay; 
    bool error; 
    bool runOnceResult; 
};
 
#endif /* SQUID_EVENTLOOP_H */