/* <!-- 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 "InitiateConnectionCommandFactory.h"
#include "HttpInitiateConnectionCommand.h"
#include "FtpInitiateConnectionCommand.h"
#include "Request.h"
#include "RequestGroup.h"
#include "DownloadEngine.h"
#include "DlAbortEx.h"
#include "fmt.h"
#include "Option.h"
#include "prefs.h"
#include "SocketCore.h"
#include "SocketRecvBuffer.h"

namespace aria2 {

std::unique_ptr<Command>
InitiateConnectionCommandFactory::createInitiateConnectionCommand(
    cuid_t cuid, const std::shared_ptr<Request>& req,
    const std::shared_ptr<FileEntry>& fileEntry, RequestGroup* requestGroup,
    DownloadEngine* e)
{
  if (req->getProtocol() == "http"
#ifdef ENABLE_SSL
      // for SSL
      ||
      req->getProtocol() == "https"
#endif // ENABLE_SSL
      ) {

    if (requestGroup->getOption()->getAsBool(PREF_ENABLE_HTTP_KEEP_ALIVE)) {
      req->setKeepAliveHint(true);
    }
    if (requestGroup->getOption()->getAsBool(PREF_ENABLE_HTTP_PIPELINING)) {
      req->setPipeliningHint(true);
    }

    return make_unique<HttpInitiateConnectionCommand>(cuid, req, fileEntry,
                                                      requestGroup, e);
  }
  else if (req->getProtocol() == "ftp"
#ifdef HAVE_LIBSSH2
           || req->getProtocol() == "sftp"
#endif // HAVE_LIBSSH2
           ) {
    if (req->getFile().empty()) {
      throw DL_ABORT_EX(fmt("FTP/SFTP URI %s doesn't contain file path.",
                            req->getUri().c_str()));
    }
    return make_unique<FtpInitiateConnectionCommand>(cuid, req, fileEntry,
                                                     requestGroup, e);
  }
  else {
    // these protocols are not supported yet
    throw DL_ABORT_EX(
        fmt("%s is not supported yet.", req->getProtocol().c_str()));
  }
}

} // namespace aria2