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/*
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* lftp - file transfer program
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*
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* Copyright (c) 1996-2013 by Alexander V. Lukyanov (lav@yars.free.net)
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "SMTask.h"
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#include "Timer.h"
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#include "xstring.h"
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#include "misc.h"
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#define now SMTask::now
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xlist_head<Timer> Timer::all_timers;
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xheap<Timer> Timer::running_timers;
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int Timer::infty_count;
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timeval Timer::GetTimeoutTV()
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{
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Timer *t;
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while((t=running_timers.get_min())!=0 && t->Stopped())
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running_timers.pop_min();
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if(!t) {
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timeval tv={infty_count?HOUR:-1, 0};
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return tv;
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}
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TimeDiff remains(t->stop,now);
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return remains.toTimeval();
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}
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TimeInterval Timer::TimeLeft() const
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{
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if(IsInfty())
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return TimeInterval();
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if(now>=stop)
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return TimeInterval(0,0);
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return TimeInterval(stop-now);
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}
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void Timer::set_last_setting(const TimeInterval &i)
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{
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infty_count-=IsInfty();
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last_setting=i;
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infty_count+=IsInfty();
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re_set();
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}
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void Timer::add_random()
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{
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if(random_max>0.0001) {
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stop+=TimeDiff::valueOf(random_max*random01());
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}
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}
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void Timer::re_set()
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{
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stop=start;
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stop+=last_setting;
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add_random();
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re_sort();
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}
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void Timer::AddRandom(double r) {
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random_max=r;
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add_random();
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re_sort();
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}
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void Timer::Set(const TimeInterval &i)
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{
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resource.unset();
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closure.unset();
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start=SMTask::now;
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set_last_setting(i);
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}
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void Timer::Reset(const Time &t)
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{
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if(start>=t && stop>t)
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return;
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start=t;
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re_set();
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}
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void Timer::ResetDelayed(int s)
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{
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Reset(SMTask::now+TimeDiff(s,0));
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}
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void Timer::StopDelayed(int s)
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{
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stop=SMTask::now+TimeDiff(s,0);
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re_sort();
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}
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void Timer::SetResource(const char *r,const char *c)
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{
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if(resource!=r || closure!=c)
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{
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resource.set(r);
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closure.set(c);
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start=now;
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reconfig(r);
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}
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else
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{
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Reset();
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}
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}
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bool Timer::Stopped() const
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{
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if(IsInfty())
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return false;
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return now>=stop;
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}
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void Timer::reconfig(const char *r)
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{
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if(resource && (!r || !strcmp(r,resource)))
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set_last_setting(TimeIntervalR(ResMgr::Query(resource,closure)));
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}
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void Timer::init()
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{
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random_max=0;
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all_timers.add(all_timers_node);
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}
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Timer::~Timer()
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{
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running_timers.remove(running_timers_node);
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all_timers_node.remove();
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infty_count-=IsInfty();
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}
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Timer::Timer() : last_setting(1,0),
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all_timers_node(this), running_timers_node(this)
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{
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init();
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}
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Timer::Timer(const TimeInterval &d) : last_setting(d),
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all_timers_node(this), running_timers_node(this)
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{
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init();
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infty_count+=IsInfty();
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re_set();
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}
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Timer::Timer(const char *r,const char *c) : last_setting(0,0),
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all_timers_node(this), running_timers_node(this)
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{
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init();
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resource.set(r);
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closure.set(c);
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start=now;
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reconfig(r);
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}
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Timer::Timer(int s,int ms) :
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all_timers_node(this), running_timers_node(this)
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{
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init();
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Set(TimeInterval(s,ms));
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}
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void Timer::re_sort()
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{
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running_timers.remove(running_timers_node);
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if(now
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running_timers.add(running_timers_node);
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}
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void Timer::ReconfigAll(const char *r)
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{
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xlist_for_each(Timer,all_timers,node,scan)
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scan->reconfig(r);
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}
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bool operator<(const Timer& a,const Timer& b)
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{
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return a.TimeLeft()
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}
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