/* <!-- 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(gid_t gid) const
{
  return get(gid).downloadContext_;
}

SharedHandle<DownloadContext>
BtRegistry::getDownloadContext(const std::string& infoHash) const
{
  SharedHandle<DownloadContext> dctx;
  for(std::map<gid_t, BtObject>::const_iterator i = pool_.begin(),
        eoi = pool_.end(); i != eoi; ++i) {
    if(bittorrent::getTorrentAttrs((*i).second.downloadContext_)->infoHash ==
       infoHash) {
      dctx = (*i).second.downloadContext_;
      break;
    }
  }      
  return dctx;
}

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

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

bool BtRegistry::remove(gid_t gid)
{
  return pool_.erase(gid);
}

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

BtObject::BtObject
(const SharedHandle<DownloadContext>& downloadContext,
 const SharedHandle<PieceStorage>& pieceStorage,
 const SharedHandle<PeerStorage>& peerStorage,
 const SharedHandle<BtAnnounce>& btAnnounce,
 const SharedHandle<BtRuntime>& btRuntime,
 const SharedHandle<BtProgressInfoFile>& btProgressInfoFile)
  : downloadContext_(downloadContext),
    pieceStorage_(pieceStorage),
    peerStorage_(peerStorage),
    btAnnounce_(btAnnounce),
    btRuntime_(btRuntime),
    btProgressInfoFile_(btProgressInfoFile)
{}

BtObject::BtObject() {}

BtObject::BtObject(const BtObject& c)
  : downloadContext_(c.downloadContext_),
    pieceStorage_(c.pieceStorage_),
    peerStorage_(c.peerStorage_),
    btAnnounce_(c.btAnnounce_),
    btRuntime_(c.btRuntime_),
    btProgressInfoFile_(c.btProgressInfoFile_)
{}

BtObject::~BtObject() {}

BtObject& BtObject::operator=(const BtObject& c)
{
  if(this != &c) {
    downloadContext_ = c.downloadContext_;
    pieceStorage_ = c.pieceStorage_;
    peerStorage_ = c.peerStorage_;
    btAnnounce_ = c.btAnnounce_;
    btRuntime_ = c.btRuntime_;
    btProgressInfoFile_ = c.btProgressInfoFile_;
  }
  return *this;
}

bool BtObject::isNull() const
{
  return !downloadContext_ &&
    !pieceStorage_ &&
    !peerStorage_ &&
    !btAnnounce_ &&
    !btRuntime_ &&
    !btProgressInfoFile_;
}

} // namespace aria2