difftimer.h
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- /*
- * Copyright (C) 2004-2005 by the University of Southern California
- * $Id: difftimer.h,v 1.4 2005/09/13 20:47:35 johnh Exp $
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- *
- *
- * The copyright of this module includes the following
- * linking-with-specific-other-licenses addition:
- *
- * In addition, as a special exception, the copyright holders of
- * this module give you permission to combine (via static or
- * dynamic linking) this module with free software programs or
- * libraries that are released under the GNU LGPL and with code
- * included in the standard release of ns-2 under the Apache 2.0
- * license or under otherwise-compatible licenses with advertising
- * requirements (or modified versions of such code, with unchanged
- * license). You may copy and distribute such a system following the
- * terms of the GNU GPL for this module and the licenses of the
- * other code concerned, provided that you include the source code of
- * that other code when and as the GNU GPL requires distribution of
- * source code.
- *
- * Note that people who make modified versions of this module
- * are not obligated to grant this special exception for their
- * modified versions; it is their choice whether to do so. The GNU
- * General Public License gives permission to release a modified
- * version without this exception; this exception also makes it
- * possible to release a modified version which carries forward this
- * exception.
- *
- */
- //
- // Diffusion-event handler object, Padma, nov 2001.
- #ifdef NS_DIFFUSION
- #ifndef diffevent_handler_h
- #define diffevent_handler_h
- #include <list>
- #include "scheduler.h"
- #include "timers.hh"
- class MapEntry;
- class DiffEventQueue;
- typedef long d_handle;
- typedef list<MapEntry *> UIDMap_t;
- class MapEntry {
- public:
- d_handle hdl_;
- scheduler_uid_t uid_;
- };
- /* This handler class keeps track of diffusion specific events.
- It schedules multiple events and irrespective of the event types,
- always calls back the callback function of its agent.
- */
- class DiffEvent : public Event {
- private:
- struct timeval tv_;
- d_handle handle_;
- void* payload_;
- public:
- DiffEvent(d_handle hdl, void *payload, int time);
- ~DiffEvent() { }
- int gettime() {
- return ((tv_.tv_sec) + ((tv_.tv_usec)/1000000));
- }
- d_handle getHandle() { return handle_; }
- void* payload() { return payload_; }
- };
- class DiffEventHandler : public Handler {
- public:
- DiffEventHandler(TimerManager *agent, DiffEventQueue *deq) {
- a_ = agent;
- queue_ = deq;
- }
- void handle(Event *);
- private:
- TimerManager *a_;
- DiffEventQueue *queue_;
- };
- class DiffEventQueue : public EventQueue {
- public:
- DiffEventQueue(TimerManager* a) {
- a_ = a;
- timerHandler_ = new DiffEventHandler(a_, this);
- }
- ~DiffEventQueue() { delete timerHandler_; }
- // queue functions
- void eqAddAfter(d_handle hdl, void *payload, int delay_msec);
- DiffEvent *eqFindEvent(d_handle hdl);
- bool eqRemove(d_handle hdl);
-
- // mapping functions
- void setUID(d_handle hdl, scheduler_uid_t uid);
- scheduler_uid_t getUID(d_handle hdl);
-
- private:
- TimerManager *a_;
- DiffEventHandler *timerHandler_;
-
- // map for diffusion handle and ns scheduler uid
- UIDMap_t uidmap_;
- };
- #endif //diffusion_timer_h
- #endif // NS