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/*
 * CommandRequestHandler.cpp
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "CommandRequestHandler.h"
#include <Common/Exception.h>
#include <Common/Logger.h>
#include <Common/SystemBackend.h>
#include <Net/Connection.h>
#include <Net/Packets/ErrorPacket.h>

#include <sigc++/bind.h>

namespace Mad {
namespace Daemon {
namespace RequestHandlers {

void CommandRequestHandler::handlePacket(Net::Connection *connection, const Net::Packet &packet) {
  // TODO Require authentication

  switch(packet.getType()) {
    case Net::Packet::COMMAND_SHUTDOWN:
      if(Common::SystemBackend::shutdown(sigc::bind(sigc::mem_fun(this, &CommandRequestHandler::sendReply), connection, packet.getRequestId())))
        return;

      break;

    case Net::Packet::COMMAND_REBOOT:
      if(Common::SystemBackend::reboot(sigc::bind(sigc::mem_fun(this, &CommandRequestHandler::sendReply), connection, packet.getRequestId())))
        return;

      break;

    default:
      Common::Logger::log(Common::Logger::ERROR, "Received an unexpected packet.");
      connection->send(Net::Packets::ErrorPacket(Net::Packet::ERROR, packet.getRequestId(), Common::Exception(Common::Exception::UNEXPECTED_PACKET)));

      signalFinished().emit();
      return;
  }

  connection->send(Net::Packets::ErrorPacket(Net::Packet::ERROR, packet.getRequestId(), Common::Exception(Common::Exception::NOT_IMPLEMENTED)));

  signalFinished().emit();
}

void CommandRequestHandler::sendReply(Net::Connection *connection, uint16_t requestId) {
  connection->send(Net::Packet(Net::Packet::OK, requestId));
  signalFinished().emit();
}

}
}
}