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199 lines
6.2 KiB
199 lines
6.2 KiB
/* This file is part of the KDE project
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*
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* Copyright (C) 2004 Jakub Stachowski <qbast@go2.pl>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "query.h"
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#include "responder.h"
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#include "remoteservice.h"
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#include "sdevent.h"
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#include <tqdatetime.h>
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#include <tqapplication.h>
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#include <tqtimer.h>
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#ifdef HAVE_DNSSD
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#include <avahi-client/client.h>
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#ifdef AVAHI_API_0_6
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#include <avahi-client/lookup.h>
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#endif
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#endif
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#define TIMEOUT_LAN 200
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namespace DNSSD
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{
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#ifdef HAVE_DNSSD
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#ifdef AVAHI_API_0_6
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void services_callback(AvahiServiceBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* name,
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const char* regtype, const char* domain, AvahiLookupResultFlags, void* context);
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void types_callback(AvahiServiceTypeBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* regtype,
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const char* replyDomain, AvahiLookupResultFlags, void* context);
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#else
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void services_callback(AvahiServiceBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* name,
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const char* regtype, const char* domain, void* context);
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void types_callback(AvahiServiceTypeBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* regtype,
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const char* replyDomain, void* context);
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void domains_callback(AvahiDomainBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* replyDomain,
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void* context);
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#endif
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#endif
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enum BrowserType { Types, Services };
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class QueryPrivate
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{
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public:
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QueryPrivate(const TQString& type, const TQString& domain) : m_finished(false), m_browser(0),
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m_running(false), m_domain(domain), m_type(type) {}
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bool m_finished;
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BrowserType m_browserType;
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void* m_browser;
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bool m_running;
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TQString m_domain;
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TQTimer timeout;
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TQString m_type;
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};
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Query::Query(const TQString& type, const TQString& domain)
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{
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d = new QueryPrivate(type,domain);
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connect(&d->timeout,TQT_SIGNAL(timeout()),this,TQT_SLOT(timeout()));
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}
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Query::~Query()
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{
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#ifdef HAVE_DNSSD
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if (d->m_browser) {
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switch (d->m_browserType) {
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case Services: avahi_service_browser_free((AvahiServiceBrowser*)d->m_browser); break;
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case Types: avahi_service_type_browser_free((AvahiServiceTypeBrowser*)d->m_browser); break;
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}
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}
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#endif
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delete d;
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}
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bool Query::isRunning() const
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{
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return d->m_running;
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}
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bool Query::isFinished() const
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{
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return d->m_finished;
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}
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const TQString& Query::domain() const
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{
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return d->m_domain;
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}
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void Query::startQuery()
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{
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if (d->m_running) return;
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d->m_finished = false;
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if (d->m_type=="_services._dns-sd._udp") {
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d->m_browserType = Types;
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#ifdef HAVE_DNSSD
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#ifdef AVAHI_API_0_6
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d->m_browser = avahi_service_type_browser_new(Responder::self().client(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
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domainToDNS(d->m_domain), (AvahiLookupFlags)0, types_callback, this);
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#else
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d->m_browser = avahi_service_type_browser_new(Responder::self().client(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
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d->m_domain.utf8(), types_callback, this);
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#endif
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#endif
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} else {
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d->m_browserType = Services;
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#ifdef HAVE_DNSSD
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#ifdef AVAHI_API_0_6
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d->m_browser = avahi_service_browser_new(Responder::self().client(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
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d->m_type.ascii(),domainToDNS(d->m_domain), (AvahiLookupFlags)0, services_callback,this);
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#else
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d->m_browser = avahi_service_browser_new(Responder::self().client(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
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d->m_type.ascii(),d->m_domain.utf8(),services_callback,this);
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#endif
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#endif
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}
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if (d->m_browser) {
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d->m_running=true;
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d->timeout.start(TIMEOUT_LAN,true);
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} else emit finished();
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}
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void Query::virtual_hook(int, void*)
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{
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}
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void Query::customEvent(TQCustomEvent* event)
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{
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if (event->type()==TQEvent::User+SD_ADDREMOVE) {
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d->timeout.start(TIMEOUT_LAN,true);
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d->m_finished=false;
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AddRemoveEvent *aev = static_cast<AddRemoveEvent*>(event);
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// m_type has useless trailing dot
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RemoteService* svr = new RemoteService(aev->m_name,
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aev->m_type,aev->m_domain);
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if (aev->m_op==AddRemoveEvent::Add) emit serviceAdded(svr);
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else emit serviceRemoved(svr);
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}
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}
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void Query::timeout()
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{
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d->m_finished=true;
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emit finished();
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}
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#ifdef HAVE_DNSSD
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#ifdef AVAHI_API_0_6
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void services_callback (AvahiServiceBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event,
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const char* serviceName, const char* regtype, const char* replyDomain, AvahiLookupResultFlags, void* context)
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#else
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void services_callback (AvahiServiceBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event,
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const char* serviceName, const char* regtype, const char* replyDomain, void* context)
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#endif
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{
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TQObject *obj = reinterpret_cast<TQObject*>(context);
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AddRemoveEvent* arev = new AddRemoveEvent((event==AVAHI_BROWSER_NEW) ? AddRemoveEvent::Add :
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AddRemoveEvent::Remove, TQString::fromUtf8(serviceName), regtype,
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DNSToDomain(replyDomain));
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TQApplication::postEvent(obj, arev);
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}
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#ifdef AVAHI_API_0_6
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void types_callback(AvahiServiceTypeBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* regtype,
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const char* replyDomain, AvahiLookupResultFlags, void* context)
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#else
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void types_callback(AvahiServiceTypeBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* regtype,
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const char* replyDomain, void* context)
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#endif
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{
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TQObject *obj = reinterpret_cast<TQObject*>(context);
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AddRemoveEvent* arev = new AddRemoveEvent((event==AVAHI_BROWSER_NEW) ? AddRemoveEvent::Add :
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AddRemoveEvent::Remove, TQString::null, regtype,
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DNSToDomain(replyDomain));
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TQApplication::postEvent(obj, arev);
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}
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#endif
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}
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#include "query.moc"
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