/*
 * Localwebfaker - Web sites faker for LAN
 * Copyright (C) 2007-2009 Lucas J. González
 *
 * 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 "cfunct.h"
#include <sys/socket.h>
#include <iostream>


int MyDaemon::sigintFd[2];
int MyDaemon::sighupFd[2];
int MyDaemon::sigtermFd[2];


MyDaemon::MyDaemon(QObject *parent) : QObject( parent ) {
   if (::socketpair(AF_UNIX, SOCK_STREAM, 0, sigintFd))
      qFatal("Couldn't create INT socketpair");

   if (::socketpair(AF_UNIX, SOCK_STREAM, 0, sighupFd))
      qFatal("Couldn't create HUP socketpair");

   if (::socketpair(AF_UNIX, SOCK_STREAM, 0, sigtermFd))
      qFatal("Couldn't create TERM socketpair");


   snInt = new QSocketNotifier(sigintFd[1], QSocketNotifier::Read, this);
   connect(snInt, SIGNAL(activated(int)), this, SLOT(handleSigInt()));
   snHup = new QSocketNotifier(sighupFd[1], QSocketNotifier::Read, this);
   connect(snHup, SIGNAL(activated(int)), this, SLOT(handleSigHup()));
   snTerm = new QSocketNotifier(sigtermFd[1], QSocketNotifier::Read, this);
   connect(snTerm, SIGNAL(activated(int)), this, SLOT(handleSigTerm()));

//    ...
}

void MyDaemon::intSignalHandler(int) {
   int a = 1 ;
   ::write(sigintFd[0], &a, sizeof(a)) ;
}

void MyDaemon::hupSignalHandler(int) {
   char a = 1;
   ::write(sighupFd[0], &a, sizeof(a));
}

void MyDaemon::termSignalHandler(int) {
   char a = 1;
   ::write(sigtermFd[0], &a, sizeof(a));
}



void MyDaemon::handleSigInt() {
   snInt->setEnabled(false);
   char tmp;
   ::read(sigintFd[1], &tmp, sizeof(tmp));

   // Acciones QT
   std::cout << "got a SIGINT signal !! " << std::endl ;
   //

   snInt->setEnabled(true);
}

void MyDaemon::handleSigTerm() {
   snTerm->setEnabled(false);
   char tmp;
   ::read(sigtermFd[1], &tmp, sizeof(tmp));

   // Acciones QT
   std::cout << "got a SIGTERM signal !! " << std::endl ;

   snTerm->setEnabled(true);
}

void MyDaemon::handleSigHup() {
   snHup->setEnabled(false);
   char tmp;
   ::read(sighupFd[1], &tmp, sizeof(tmp));

   // Acciones QT
   std::cout << "got a SIGHUP signal !! " << std::endl ;

   snHup->setEnabled(true);
}