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/* This file is part of the KDE project
*
* Copyright (C) 2004 Jakub Stachowski <qbast@go2.pl>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <qstringlist.h>
#include "domainbrowser.h"
#include "settings.h"
#include "sdevent.h"
#include "responder.h"
#include "remoteservice.h"
#include "query.h"
#include "servicebrowser.h"
#include <kapplication.h>
namespace DNSSD
{
#ifdef HAVE_DNSSD
void domain_callback(DNSServiceRef, DNSServiceFlags flags, uint32_t, DNSServiceErrorType errorCode,
const char *replyDomain, void *context);
#endif
class DomainBrowserPrivate : public Responder
{
public:
DomainBrowserPrivate(DomainBrowser* owner) : Responder(), m_browseLAN(false), m_started(false), m_owner(owner) {}
QStringList m_domains;
virtual void customEvent(QCustomEvent* event);
bool m_browseLAN;
bool m_started;
DomainBrowser* m_owner;
};
void DomainBrowserPrivate::customEvent(QCustomEvent* event)
{
if (event->type()==QEvent::User+SD_ERROR) stop();
if (event->type()==QEvent::User+SD_ADDREMOVE) {
AddRemoveEvent *aev = static_cast<AddRemoveEvent*>(event);
if (aev->m_op==AddRemoveEvent::Add) m_owner->gotNewDomain(aev->m_domain);
else m_owner->gotRemoveDomain(aev->m_domain);
}
}
DomainBrowser::DomainBrowser(QObject *parent) : QObject(parent)
{
d = new DomainBrowserPrivate(this);
d->m_domains = Configuration::domainList();
if (Configuration::browseLocal()) {
d->m_domains+="local.";
d->m_browseLAN=true;
}
connect(KApplication::kApplication(),SIGNAL(kipcMessage(int,int)),this,
SLOT(domainListChanged(int,int)));
}
DomainBrowser::DomainBrowser(const QStringList& domains, bool recursive, QObject *parent) : QObject(parent)
{
d = new DomainBrowserPrivate(this);
d->m_browseLAN = recursive;
d->m_domains=domains;
}
DomainBrowser::~DomainBrowser()
{
delete d;
}
void DomainBrowser::startBrowse()
{
if (d->m_started) return;
d->m_started=true;
if (ServiceBrowser::isAvailable()!=ServiceBrowser::Working) return;
QStringList::const_iterator itEnd = d->m_domains.end();
for (QStringList::const_iterator it=d->m_domains.begin(); it!=itEnd; ++it ) emit domainAdded(*it);
#ifdef HAVE_DNSSD
if (d->m_browseLAN) {
DNSServiceRef ref;
if (DNSServiceEnumerateDomains(&ref,kDNSServiceFlagsBrowseDomains,0,domain_callback,
reinterpret_cast<void*>(d))==kDNSServiceErr_NoError) d->setRef(ref);
}
#endif
}
void DomainBrowser::gotNewDomain(const QString& domain)
{
if (d->m_domains.contains(domain)) return;
d->m_domains.append(domain);
emit domainAdded(domain);
}
void DomainBrowser::gotRemoveDomain(const QString& domain)
{
d->m_domains.remove(domain);
emit domainRemoved(domain);
}
void DomainBrowser::domainListChanged(int message,int)
{
if (message!=KIPCDomainsChanged) return;
bool was_started = d->m_started;
if (d->isRunning()) d->stop(); // LAN query
d->m_started = false;
// remove all domains and resolvers
if (was_started) {
QStringList::const_iterator itEnd = d->m_domains.end();
for (QStringList::const_iterator it=d->m_domains.begin(); it!=itEnd; ++it )
emit domainRemoved(*it);
}
d->m_domains.clear();
// now reread configuration and add domains
Configuration::self()->readConfig();
d->m_browseLAN = Configuration::browseLocal();
d->m_domains = Configuration::domainList();
if (Configuration::browseLocal()) d->m_domains+="local.";
// this will emit domainAdded() for every domain if necessary
if (was_started) startBrowse();
}
const QStringList& DomainBrowser::domains() const
{
return d->m_domains;
}
bool DomainBrowser::isRunning() const
{
return d->m_started;
}
void DomainBrowser::virtual_hook(int, void*)
{}
#ifdef HAVE_DNSSD
void domain_callback(DNSServiceRef, DNSServiceFlags flags, uint32_t, DNSServiceErrorType errorCode,
const char *replyDomain, void *context)
{
QObject *obj = reinterpret_cast<QObject*>(context);
if (errorCode != kDNSServiceErr_NoError) {
ErrorEvent err;
QApplication::sendEvent(obj, &err);
} else {
AddRemoveEvent arev((flags & kDNSServiceFlagsAdd) ? AddRemoveEvent::Add :
AddRemoveEvent::Remove, QString::null, QString::null,
DNSToDomain(replyDomain), !(flags & kDNSServiceFlagsMoreComing));
QApplication::sendEvent(obj, &arev);
}
}
#endif
}
#include "domainbrowser.moc"
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