dnssd/avahi-domainbrowser.cpp

   1 /* This file is part of the KDE project
   2  *
   3  * Copyright (C) 2004 Jakub Stachowski <qbast@go2.pl>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21
  22 #include "avahi-domainbrowser_p.h"
  23 #include <QtCore/QSet>
  24 #include <QtCore/QFile>
  25 #include <QtCore/QIODevice>
  26 #include <kstandarddirs.h>
  27 #include <avahi-common/defs.h>
  28 #include "avahi_server_interface.h"
  29 #include "domainbrowser.h"
  30 #include "avahi_domainbrowser_interface.h"
  31
  32
  33
  34 #ifndef KDE_USE_FINAL
  35 Q_DECLARE_METATYPE(QList<QByteArray>)
  36 #endif
  37 namespace DNSSD
  38 {
  39
  40 DomainBrowser::DomainBrowser(DomainType type, QObject *parent) : QObject(parent), d(new DomainBrowserPrivate(type,this))
  41 {}
  42
  43 DomainBrowser::~DomainBrowser()
  44 {
  45     delete d;
  46 }
  47
  48
  49 void DomainBrowser::startBrowse()
  50 {
  51         if (d->m_started) return;
  52         d->m_started=true;
  53         org::freedesktop::Avahi::Server s("org.freedesktop.Avahi","/",QDBusConnection::systemBus());
  54         QDBusReply<QDBusObjectPath> rep=s.DomainBrowserNew(-1, -1, "", (d->m_type==Browsing) ?
  55             AVAHI_DOMAIN_BROWSER_BROWSE : AVAHI_DOMAIN_BROWSER_REGISTER,0);
  56
  57         if (!rep.isValid()) return;
  58         org::freedesktop::Avahi::DomainBrowser *b=new org::freedesktop::Avahi::DomainBrowser("org.freedesktop.Avahi",rep.value().path(),
  59             QDBusConnection::systemBus());
  60         connect(b,SIGNAL(ItemNew(int,int,const QString&,uint)),d, SLOT(gotNewDomain(int,int,const QString&, uint)));
  61         connect(b,SIGNAL(ItemRemove(int,int,const QString&,uint)),d, SLOT(gotRemoveDomain(int,int,const QString&, uint)));
  62         d->m_browser=b;
  63         if (d->m_type==Browsing) {
  64             QString domains_evar=qgetenv("AVAHI_BROWSE_DOMAINS");
  65             if (!domains_evar.isEmpty()) {
  66                 QStringList edomains=domains_evar.split(':');
  67                 Q_FOREACH(const QString &s, edomains) d->gotNewDomain(-1,-1,s,0);
  68             }
  69             KStandardDirs dirs;
  70             //FIXME: watch this file and restart browser if it changes
  71             QFile domains_cfg(dirs.localxdgconfdir()+"/avahi/browse-domains");
  72             if (domains_cfg.open(QIODevice::ReadOnly | QIODevice::Text))
  73                 while (!domains_cfg.atEnd()) d->gotNewDomain(-1,-1,QString::fromUtf8(domains_cfg.readLine().data()).trimmed(),0);
  74
  75         }
  76
  77 }
  78
  79 void DomainBrowserPrivate::gotNewDomain(int,int,const QString& domain,uint)
  80 {
  81         QString decoded=DNSToDomain(domain);
  82         if (m_domains.contains(decoded)) return;
  83         m_domains+=decoded;
  84         emit m_parent->domainAdded(decoded);
  85 }
  86
  87 void DomainBrowserPrivate::gotRemoveDomain(int,int,const QString& domain,uint)
  88 {
  89         QString decoded=DNSToDomain(domain);
  90         if (!m_domains.contains(decoded)) return;
  91         emit m_parent->domainRemoved(decoded);
  92         m_domains.remove(decoded);
  93 }
  94
  95
  96 QStringList DomainBrowser::domains() const
  97 {
  98         return d->m_domains.values();
  99 }
 100
 101 bool DomainBrowser::isRunning() const
 102 {
 103         return d->m_started;
 104 }
 105
 106
 107 }
 108 #include "domainbrowser.moc"
 109 #include "avahi-domainbrowser_p.moc"