mirror of https://github.com/aria2/aria2
144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "ServerStatMan.h"
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#include "ServerStat.h"
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#include "Util.h"
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#include "RecoverableException.h"
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#include <algorithm>
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#include <ostream>
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#include <iterator>
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#include <map>
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namespace aria2 {
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ServerStatMan::ServerStatMan() {}
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ServerStatMan::~ServerStatMan() {}
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SharedHandle<ServerStat> ServerStatMan::find(const std::string& hostname,
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const std::string& protocol) const
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{
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SharedHandle<ServerStat> ss(new ServerStat(hostname, protocol));
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std::deque<SharedHandle<ServerStat> >::const_iterator i =
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std::lower_bound(_serverStats.begin(), _serverStats.end(), ss);
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if(i != _serverStats.end() &&
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(*i)->getHostname() == hostname && (*i)->getProtocol() == protocol) {
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return *i;
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} else {
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return SharedHandle<ServerStat>();
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}
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}
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bool ServerStatMan::add(const SharedHandle<ServerStat>& serverStat)
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{
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std::deque<SharedHandle<ServerStat> >::iterator i =
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std::lower_bound(_serverStats.begin(), _serverStats.end(), serverStat);
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if(i != _serverStats.end() && (*i) == serverStat) {
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return false;
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} else {
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_serverStats.insert(i, serverStat);
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return true;
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}
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}
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bool ServerStatMan::save(std::ostream& out) const
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{
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std::copy(_serverStats.begin(), _serverStats.end(),
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std::ostream_iterator<SharedHandle<ServerStat> >(out, "\n"));
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return !out.bad();
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}
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bool ServerStatMan::load(std::istream& in)
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{
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static const std::string S_HOST = "host";
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static const std::string S_PROTOCOL = "protocol";
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static const std::string S_DL_SPEED = "dl_speed";
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static const std::string S_LAST_UPDATED = "last_updated";
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static const std::string S_STATUS = "status";
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std::string line;
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while(getline(in, line)) {
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Util::trimSelf(line);
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if(line.empty()) {
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continue;
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}
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std::deque<std::string> items;
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Util::slice(items, line, ',');
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std::map<std::string, std::string> m;
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for(std::deque<std::string>::const_iterator i = items.begin();
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i != items.end(); ++i) {
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std::pair<std::string, std::string> p = Util::split(*i, "=");
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Util::trimSelf(p.first);
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Util::trimSelf(p.second);
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m[p.first] = p.second;
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}
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if(m[S_HOST].empty() || m[S_PROTOCOL].empty()) {
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continue;
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}
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SharedHandle<ServerStat> sstat(new ServerStat(m[S_HOST], m[S_PROTOCOL]));
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try {
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sstat->setDownloadSpeed(Util::parseUInt(m[S_DL_SPEED]));
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sstat->setLastUpdated(Time(Util::parseInt(m[S_LAST_UPDATED])));
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sstat->setStatus(m[S_STATUS]);
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add(sstat);
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} catch(RecoverableException& e) {
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continue;
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}
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}
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return !in.bad();
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}
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class FindStaleServerStat {
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private:
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time_t _timeout;
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public:
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FindStaleServerStat(time_t timeout):_timeout(timeout) {}
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bool operator()(const SharedHandle<ServerStat>& ss) const
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{
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return ss->getLastUpdated().elapsed(_timeout);
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}
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};
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void ServerStatMan::removeStaleServerStat(time_t timeout)
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{
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_serverStats.erase(std::remove_if(_serverStats.begin(), _serverStats.end(),
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FindStaleServerStat(timeout)),
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_serverStats.end());
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}
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} // namespace aria2
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