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* $Id: event.h,v 1.3 2006/09/02 12:20:53 serassio Exp $
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* SQUID Web Proxy Cache http://www.squid-cache.org/
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* ----------------------------------------------------------
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* Squid is the result of efforts by numerous individuals from
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* the Internet community; see the CONTRIBUTORS file for full
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* details. Many organizations have provided support for Squid's
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* development; see the SPONSORS file for full details. Squid is
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* Copyrighted (C) 2001 by the Regents of the University of
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* California; see the COPYRIGHT file for full details. Squid
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* incorporates software developed and/or copyrighted by other
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* sources; see the CREDITS file for full details.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
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#include "AsyncEngine.h"
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#include "CompletionDispatcher.h"
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/* event scheduling facilities - run a callback after a given time period. */
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typedef void EVH(void *);
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extern void eventAdd(const char *name, EVH * func, void *arg, double when, int, bool cbdata=true);
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SQUIDCEXTERN void eventAddIsh(const char *name, EVH * func, void *arg, double delta_ish, int);
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SQUIDCEXTERN void eventDelete(EVH * func, void *arg);
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SQUIDCEXTERN void eventInit(CacheManager &);
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SQUIDCEXTERN void eventFreeMemory(void);
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SQUIDCEXTERN int eventFind(EVH *, void *);
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ev_entry(char const * name, EVH * func, void *arg, double when, int weight, bool cbdata=true);
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MEMPROXY_CLASS(ev_entry);
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MEMPROXY_CLASS_INLINE(ev_entry);
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class EventDispatcher : public CompletionDispatcher
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/* add an event to dequeue when dispatch is called */
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/* add an event to be dispatched in the future */
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(const char *name, EVH * func, void *arg, double when, int, bool cbdata=true);
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static EventDispatcher *GetInstance();
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Vector<ev_entry *> queue;
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static EventDispatcher _instance;
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class EventScheduler : public AsyncEngine
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/* Create an event scheduler that will hand its ready to run callbacks to
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* TODO: add should include a dispatcher to use perhaps? then it would be
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EventScheduler(EventDispatcher *);
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/* cancel a scheduled but not dispatched event */
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void cancel(EVH * func, void * arg);
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/* clean up the used memory in the scheduler */
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/* how long until the next event ? */
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/* cache manager output for the event queue */
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void dump(StoreEntry *);
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/* find a scheduled event */
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bool find(EVH * func, void * arg);
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/* schedule a callback function to run in when seconds */
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void schedule(const char *name, EVH * func, void *arg, double when, int weight, bool cbdata=true);
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int checkEvents(int timeout);
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static EventScheduler *GetInstance();
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static EventScheduler _instance;
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EventDispatcher * dispatcher;
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#endif /* SQUID_EVENT_H */