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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2009 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "UTMetadataRequestTracker.h"
#include <algorithm>
#include "LogFactory.h"
namespace aria2 {
UTMetadataRequestTracker::UTMetadataRequestTracker():
_logger(LogFactory::getInstance()) {}
void UTMetadataRequestTracker::add(size_t index)
{
_trackedRequests.push_back(RequestEntry(index));
}
bool UTMetadataRequestTracker::tracks(size_t index)
{
return std::find(_trackedRequests.begin(), _trackedRequests.end(),
RequestEntry(index)) != _trackedRequests.end();
}
void UTMetadataRequestTracker::remove(size_t index)
{
std::vector<RequestEntry>::iterator i =
std::find(_trackedRequests.begin(), _trackedRequests.end(),
RequestEntry(index));
if(i != _trackedRequests.end()) {
_trackedRequests.erase(i);
}
}
std::vector<size_t> UTMetadataRequestTracker::removeTimeoutEntry()
{
std::vector<size_t> indexes;
const time_t TIMEOUT = 20;
for(std::vector<RequestEntry>::iterator i = _trackedRequests.begin(),
eoi = _trackedRequests.end(); i != eoi;) {
if((*i).elapsed(TIMEOUT)) {
if(_logger->debug()) {
_logger->debug("ut_metadata request timeout. index=%lu",
static_cast<unsigned long>((*i)._index));
}
indexes.push_back((*i)._index);
i = _trackedRequests.erase(i);
eoi = _trackedRequests.end();
} else {
++i;
}
}
return indexes;
}
size_t UTMetadataRequestTracker::avail() const
{
const size_t MAX_OUTSTANDING_REQUEST = 1;
if(MAX_OUTSTANDING_REQUEST > count()) {
return MAX_OUTSTANDING_REQUEST-count();
} else {
return 0;
}
}
std::vector<size_t> UTMetadataRequestTracker::getAllTrackedIndex() const
{
std::vector<size_t> indexes;
for(std::vector<RequestEntry>::const_iterator i = _trackedRequests.begin(),
eoi = _trackedRequests.end(); i != eoi; ++i) {
indexes.push_back((*i)._index);
}
return indexes;
}
} // namespace aria2
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