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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 <config.h>
#include <tqeventloop.h>
#include <tqapplication.h>
#include <kurl.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <netinet/in.h>
#ifdef HAVE_DNSSD
#include <avahi-client/client.h>
#include <avahi-common/strlst.h>
#ifdef AVAHI_API_0_6
#include <avahi-client/lookup.h>
#endif
#endif
#include "remoteservice.h"
#include "responder.h"
#include "sdevent.h"
namespace DNSSD
{
#ifdef HAVE_DNSSD
#ifdef AVAHI_API_0_6
void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol proto, AvahiResolverEvent e,
const char* name, const char* type, const char* domain, const char* hostname, const AvahiAddress* a,
uint16_t port, AvahiStringList* txt, AvahiLookupResultFlags, void* context);
#else
void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol proto, AvahiResolverEvent e,
const char* name, const char* type, const char* domain, const char* hostname, const AvahiAddress* a,
uint16_t port, AvahiStringList* txt, void* context);
#endif
#endif
class RemoteServicePrivate : public Responder
{
public:
RemoteServicePrivate() : m_resolved(false), m_running(false)
#ifdef HAVE_DNSSD
, m_resolver(0)
#endif
{}
bool m_resolved;
bool m_running;
#ifdef HAVE_DNSSD
AvahiServiceResolver* m_resolver;
void stop() {
m_running = false;
if (m_resolver) avahi_service_resolver_free(m_resolver);
m_resolver=0;
}
#endif
};
RemoteService::RemoteService(const TQString& label)
{
decode(label);
d = new RemoteServicePrivate();
}
RemoteService::RemoteService(const TQString& name,const TQString& type,const TQString& domain)
: ServiceBase(name, type, domain)
{
d = new RemoteServicePrivate();
}
RemoteService::RemoteService(const KURL& url)
{
d = new RemoteServicePrivate();
if (!url.isValid()) return;
if (url.protocol()!="invitation") return;
if (!url.hasPath()) return;
m_hostName = url.host();
m_port = url.port();
m_type = url.path().section('/',1,1);
m_serviceName = url.path().section('/',2);
m_textData = url.queryItems();
d->m_resolved=true;
}
RemoteService::~RemoteService()
{
#ifdef HAVE_DNSSD
if (d->m_resolver) avahi_service_resolver_free(d->m_resolver);
#endif
delete d;
}
bool RemoteService::resolve()
{
resolveAsync();
while (d->m_running && !d->m_resolved) Responder::self().process();
#ifdef HAVE_DNSSD
d->stop();
#endif
return d->m_resolved;
}
void RemoteService::resolveAsync()
{
if (d->m_running) return;
d->m_resolved = false;
// FIXME: first protocol should be set?
#ifdef HAVE_DNSSD
#ifdef AVAHI_API_0_6
d->m_resolver = avahi_service_resolver_new(Responder::self().client(),AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
m_serviceName.utf8(), m_type.ascii(), domainToDNS(m_domain), AVAHI_PROTO_UNSPEC, AVAHI_LOOKUP_NO_ADDRESS,
resolve_callback, this);
#else
d->m_resolver = avahi_service_resolver_new(Responder::self().client(),AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
m_serviceName.utf8(), m_type.ascii(), m_domain.utf8(), AVAHI_PROTO_UNSPEC, resolve_callback, this);
#endif
if (d->m_resolver) d->m_running=true;
else emit resolved(false);
#endif
}
bool RemoteService::isResolved() const
{
return d->m_resolved;
}
void RemoteService::customEvent(TQCustomEvent* event)
{
if (event->type() == TQEvent::User+SD_ERROR) {
#ifdef HAVE_DNSSD
d->stop();
#endif
d->m_resolved=false;
emit resolved(false);
}
if (event->type() == TQEvent::User+SD_RESOLVE) {
ResolveEvent* rev = static_cast<ResolveEvent*>(event);
m_hostName = rev->m_hostname;
m_port = rev->m_port;
m_textData = rev->m_txtdata;
d->m_resolved = true;
emit resolved(true);
}
}
void RemoteService::virtual_hook(int, void*)
{
// BASE::virtual_hook(int, void*);
}
TQDataStream & operator<< (TQDataStream & s, const RemoteService & a)
{
s << (static_cast<ServiceBase>(a));
Q_INT8 resolved = a.d->m_resolved ? 1:0;
s << resolved;
return s;
}
TQDataStream & operator>> (TQDataStream & s, RemoteService & a)
{
// stop any possible resolve going on
#ifdef HAVE_DNSSD
a.d->stop();
#endif
Q_INT8 resolved;
operator>>(s,(static_cast<ServiceBase&>(a)));
s >> resolved;
a.d->m_resolved = (resolved == 1);
return s;
}
#ifdef HAVE_DNSSD
#ifdef AVAHI_API_0_6
void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol, AvahiResolverEvent e,
const char*, const char*, const char*, const char* hostname, const AvahiAddress*,
uint16_t port, AvahiStringList* txt, AvahiLookupResultFlags, void* context)
#else
void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol, AvahiResolverEvent e,
const char*, const char*, const char*, const char* hostname, const AvahiAddress*,
uint16_t port, AvahiStringList* txt, void* context)
#endif
{
TQObject *obj = reinterpret_cast<TQObject*>(context);
if (e != AVAHI_RESOLVER_FOUND) {
ErrorEvent err;
TQApplication::sendEvent(obj, &err);
return;
}
TQMap<TQString,TQString> map;
while (txt) {
char *key, *value;
size_t size;
if (avahi_string_list_get_pair(txt,&key,&value,&size)) break;
map[TQString::fromUtf8(key)]=(value) ? TQString::fromUtf8(value) : TQString::null;
txt = txt->next;
}
ResolveEvent rev(DNSToDomain(hostname),port,map);
TQApplication::sendEvent(obj, &rev);
}
#endif
}
#include "remoteservice.moc"
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