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/*
 * StatusRequestHandler.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 "StatusRequestHandler.h"
#include "../Exception.h"
#include "../SystemBackend.h"
#include "../Logger.h"

namespace Mad {
namespace Common {
namespace RequestHandlers {

void StatusRequestHandler::handlePacket(const XmlPacket &packet) {
  if(packet.getType() != "GetStatus") {
    Logger::log(Logger::ERROR, "Received an unexpected packet.");

    XmlPacket ret;
    ret.setType("Error");
    ret.add("ErrorCode", Exception::UNEXPECTED_PACKET);

    sendPacket(ret);

    signalFinished().emit();
    return;
  }

  // TODO Require authentication

  if(!SystemBackend::getUptimeInfo(sigc::mem_fun(this, &StatusRequestHandler::uptimeHandler)))
    needUptime = false;
  if(!SystemBackend::getMemoryInfo(sigc::mem_fun(this, &StatusRequestHandler::memoryHandler)))
    needMemory = false;
  if(!SystemBackend::getLoadInfo(sigc::mem_fun(this, &StatusRequestHandler::loadHandler)))
    needLoad = false;

  send();
}

void StatusRequestHandler::send() {
  if(needUptime || needMemory || needLoad || sent)
    return;

  XmlPacket packet;

  packet.setType("OK");

  packet.add("uptime", uptime);
  packet.add("idleTime", idleTime);
  packet.add("totalMem", totalMem);
  packet.add("freeMem", freeMem);
  packet.add("totalSwap", totalSwap);
  packet.add("freeSwap", freeSwap);
  packet.add("currentLoad", currentLoad);
  packet.add("nProcesses", nProcesses);
  packet.add("loadAvg1", loadAvg1);
  packet.add("loadAvg5", loadAvg5);
  packet.add("loadAvg15", loadAvg15);

  sendPacket(packet);

  sent = true;

  signalFinished().emit();
}

}
}
}