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/* This file is part of the KDE project
*
* Copyright (C) 2004, 2005 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 <netinet/in.h>
#include <QtCore/QEventLoop>
#include <QtCore/QCoreApplication>
#include <kdebug.h>
#include "remoteservice.h"
#include "servicebase_p.h"
#include "mdnsd-responder.h"
#include "mdnsd-sdevent.h"
namespace DNSSD
{
void resolve_callback ( DNSServiceRef,
DNSServiceFlags,
uint32_t,
DNSServiceErrorType errorCode,
const char*,
const char *hosttarget,
uint16_t port,
uint16_t txtLen,
const unsigned char *txtRecord,
void *context
);
#define K_D RemoteServicePrivate* d=static_cast<RemoteServicePrivate*>(this->d)
class RemoteServicePrivate : public Responder, public ServiceBasePrivate
{
public:
RemoteServicePrivate(RemoteService* parent, const QString& name,const QString& type,const QString& domain) :
Responder(), ServiceBasePrivate(name, type, domain, QString(), 0), m_resolved(false), m_parent(parent)
{}
bool m_resolved;
RemoteService* m_parent;
virtual void customEvent(QEvent* event);
};
RemoteService::RemoteService(const QString& name,const QString& type,const QString& domain)
: ServiceBase(new RemoteServicePrivate(this, name, type, domain))
{
}
RemoteService::~RemoteService()
{}
bool RemoteService::resolve()
{
K_D;
resolveAsync();
while (d->isRunning() && !d->m_resolved) d->process();
d->stop();
return d->m_resolved;
}
void RemoteService::resolveAsync()
{
K_D;
if (d->isRunning()) return;
d->m_resolved = false;
kDebug() << this << ":Starting resolve of : " << d->m_serviceName << " " << d->m_type << " " << d->m_domain << "\n";
DNSServiceRef ref;
if (DNSServiceResolve(&ref,0,0,d->m_serviceName.toUtf8(), d->m_type.toLatin1().constData(),
domainToDNS(d->m_domain),(DNSServiceResolveReply)resolve_callback,reinterpret_cast<void*>(d))
== kDNSServiceErr_NoError) d->setRef(ref);
if (!d->isRunning()) emit resolved(false);
}
bool RemoteService::isResolved() const
{
K_D;
return d->m_resolved;
}
void RemoteServicePrivate::customEvent(QEvent* event)
{
if (event->type() == QEvent::User+SD_ERROR) {
stop();
m_resolved=false;
emit m_parent->resolved(false);
}
if (event->type() == QEvent::User+SD_RESOLVE) {
ResolveEvent* rev = static_cast<ResolveEvent*>(event);
m_hostName = rev->m_hostname;
m_port = rev->m_port;
m_textData = rev->m_txtdata;
m_resolved = true;
emit m_parent->resolved(true);
}
}
void RemoteService::virtual_hook(int, void*)
{
// BASE::virtual_hook(int, void*);
}
void resolve_callback ( DNSServiceRef,
DNSServiceFlags,
uint32_t,
DNSServiceErrorType errorCode,
const char*,
const char *hosttarget,
uint16_t port,
uint16_t txtLen,
const unsigned char *txtRecord,
void *context
)
{
QObject *obj = reinterpret_cast<QObject*>(context);
if (errorCode != kDNSServiceErr_NoError) {
ErrorEvent err;
QCoreApplication::sendEvent(obj, &err);
return;
}
char key[256];
int index=0;
unsigned char valueLen;
kDebug() << "Resolve callback\n";
QMap<QString,QByteArray> map;
const void *voidValue = 0;
while (TXTRecordGetItemAtIndex(txtLen,txtRecord,index++,256,key,&valueLen,
&voidValue) == kDNSServiceErr_NoError)
{
if (voidValue) map[QString::fromUtf8(key)]=QByteArray((const char*)voidValue,valueLen);
else map[QString::fromUtf8(key)].clear();
}
ResolveEvent rev(DNSToDomain(hosttarget),ntohs(port),map);
QCoreApplication::sendEvent(obj, &rev);
}
}
#include "remoteservice.moc"
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