aria2/src/SegmentSplitter.cc

52 lines
1.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
/* copyright --> */
#include "SegmentSplitter.h"
#include "Util.h"
#include "LogFactory.h"
SegmentSplitter::SegmentSplitter() {
logger = LogFactory::getInstance();
}
void SegmentSplitter::split(Segment& seg, int cuid, Segment& s) const {
long long int nep = (s.ep-(s.sp+s.ds))/2+(s.sp+s.ds);
seg.cuid = cuid;
seg.sp = nep+1;
seg.ep = s.ep;
seg.ds = 0;
seg.speed = s.speed;
seg.finish = false;
s.ep = nep;
logger->debug(string("return new segment { "
"sp = "+Util::llitos(seg.sp)+", "+
"ep = "+Util::llitos(seg.ep)+", "+
"ds = "+Util::llitos(seg.ds)+", "+
"speed = "+Util::itos(seg.speed)+" } to "+
"cuid "+Util::llitos(cuid)).c_str());
logger->debug(string("update segment { "
"sp = "+Util::llitos(s.sp)+", "+
"ep = "+Util::llitos(s.ep)+", "+
"ds = "+Util::llitos(s.ds)+", "+
"speed = "+Util::itos(s.speed)+" } of "+
"cuid "+Util::llitos(s.cuid)).c_str());
}