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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            xmlacquire.cc
 *
 *  Fri Jul 13 12:38:45 CEST 2007
 *  Copyright 2007 Bent Bisballe Nyeng, Lars Bisballe Jensen and Peter Skaarup
 *  deva@aasimon.org, elsenator@gmail.com and piparum@piparum.dk
 ****************************************************************************/

/*
 *  This file is part of Pracro.
 *
 *  Pracro 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.
 *
 *  Pracro 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 Pracro; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */

#include "xmlacquire.h"

#include <stdio.h>
#include <QApplication>
#include <QTcpSocket>
#include <QDomDocument>
#include <QByteArray>

XmlAcquire::XmlAcquire()
  : QObject()
{
  has_result = false;
}

void XmlAcquire::tcpConnect()
{
    tcpsocket->connectToHost("localhost", atoi("12345")); 
    tcpConnected = TCP_CONNECTING;
}

void XmlAcquire::tcpDisconnect()
{
  tcpsocket->disconnectFromHost();
  while(tcpConnected != TCP_DISCONNECTED) {
    if(tcpConnected == TCP_ERROR) {
      tcpConnected = TCP_DISCONNECTED;
      return;
    }
    usleep(5000);
    printf("PLUP!\n");
    qApp->processEvents();
  }
}

int XmlAcquire::tcpStatus()
{
  return tcpConnected;
}

void XmlAcquire::makeConnection(QDomDocument *xml_req)
{
  this->xml_req = xml_req;

  tcpsocket = new QTcpSocket;
  connect(tcpsocket, SIGNAL(hostFound()), this, SLOT(myHostFound()));
  connect(tcpsocket, SIGNAL(readyRead()), this, SLOT(myReadyReadHandler()));
  connect(tcpsocket, SIGNAL(connected()), this, SLOT(myConnected()));
  connect(tcpsocket, SIGNAL(disconnected()), this, SLOT(myDisconnected()));
  connect(tcpsocket, SIGNAL(error(QAbstractSocket::SocketError)), 
          this, SLOT(myError(QAbstractSocket::SocketError)));
  tcpConnect();
}

void XmlAcquire::myTcpWrite(char *msg, int len)
{
  if(tcpConnected == TCP_CONNECTED) 
    tcpsocket->write(msg, len);
  else 
    printf("TCP socket not initialized!\n");
}

void XmlAcquire::myHostFound() // slot
{
  printf("Host Found!\n");
}

void XmlAcquire::myConnected() // slot
{
  tcpConnected = TCP_CONNECTED;
  printf("TCP Connected!\n");

  QByteArray ba = xml_req->toByteArray();
  char *request = ba.data();
  myTcpWrite(request, ba.length());
}

void XmlAcquire::myDisconnected() // slot
{
  tcpConnected = TCP_DISCONNECTED;
  printf("TCP Disconnected!\n");

  // Convert recieved data into an XML document
  //xml_doc.setContent(ba_all);
  has_result = true;

  //char *test = ba_all.data();
  //printf("%s\n", test);
}

void XmlAcquire::myError(QAbstractSocket::SocketError) // slot
{
  tcpConnected = TCP_ERROR;
}

void XmlAcquire::myReadyReadHandler()
{
  QByteArray ba;

  ba = tcpsocket->readAll();
  ba_all.append(ba);
}

QByteArray XmlAcquire::getResult()
{
  while(has_result == false) {
    qApp->processEvents();
  }
  return ba_all;
}