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/*
* cdlisten.cpp
*
* Copyright (C) 2005 Christophe Thommeret <hftom@free.fr>
*
* 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
*/
#include <unistd.h>
#include <kmessagebox.h>
#include <klocale.h>
#include "cdlisten.h"
CdListen::CdListen()
{
connect( &timer, SIGNAL(timeout()), this, SLOT(updateList()) );
}
CdListen::~CdListen()
{
stop();
}
void CdListen::updateList()
{
if ( newList==currentList ) return;
currentList = newList;
emit listChanged( currentList );
}
void CdListen::stop()
{
isRunning = false;
timer.stop();
if ( !wait(100) ) {
terminate();
wait();
}
close( sock );
sock = 0;
}
bool CdListen::go( const QString &ad, int port )
{
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
KMessageBox::information( 0, i18n("Can't open info socket."), i18n("DVB Client") );
sock = 0;
return false;
}
addr.sin_family = AF_INET; // host byte order
addr.sin_port = htons( port ); // short, network byte order
addr.sin_addr.s_addr = inet_addr( ad.ascii() );
memset( &( addr.sin_zero ), '\0', 8 ); // zero the rest of the struct
if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
KMessageBox::information( 0, i18n("Can't bind info socket!!!"), i18n("DVB Client") );
close( sock );
sock = 0;
return false;
}
currentList = "";
newList = currentList;
isRunning = true;
timer.start( 500, false );
start();
return true;
}
void CdListen::run()
{
char buf[1500];
int n;
struct sockaddr_in a;
socklen_t len = sizeof(struct sockaddr);
while ( isRunning ) {
memset( buf, '\0', 1500 );
n = recvfrom( sock, buf, 1500, 0, (struct sockaddr *)&a, &len );
if ( n>0 ) newList = buf;
else msleep(500);
}
}
#include "cdlisten.moc"
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