aria2/src/BtRegistry.cc

/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * 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., 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 "BtRegistry.h"
#include "DlAbortEx.h"
#include "DownloadContext.h"
#include "PeerStorage.h"
#include "PieceStorage.h"
#include "BtAnnounce.h"
#include "BtRuntime.h"
#include "BtProgressInfoFile.h"
#include "bittorrent_helper.h"

namespace aria2 {

SharedHandle<DownloadContext>
BtRegistry::getDownloadContext(int32_t gid) const
{
  return get(gid)._downloadContext;
}

SharedHandle<DownloadContext>
BtRegistry::getDownloadContext(const std::string& infoHash) const
{
  SharedHandle<DownloadContext> dctx;
  for(std::map<int32_t, BtObject>::const_iterator i = _pool.begin();
      i != _pool.end(); ++i) {
    const BDE& attrs =
      (*i).second._downloadContext->getAttribute(bittorrent::BITTORRENT);
    if(attrs[bittorrent::INFO_HASH].s() == infoHash) {
      dctx = (*i).second._downloadContext;
      break;
    }
  }
  return dctx;
}

void BtRegistry::put(int32_t gid, const BtObject& obj)
{
  _pool[gid] = obj;
}

BtObject BtRegistry::get(int32_t gid) const
{
  std::map<int32_t, BtObject>::const_iterator i = _pool.find(gid);
  if(i == _pool.end()) {
    return BtObject();
  } else {
    return (*i).second;
  }
}

bool BtRegistry::remove(int32_t gid)
{
  return _pool.erase(gid);
}

void BtRegistry::removeAll() {
  _pool.clear();
}

} // namespace aria2