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responder.cpp

00001 /* This file is part of the KDE project
00002  *
00003  * Copyright (C) 2004 Jakub Stachowski <qbast@go2.pl>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 
00021 #include "responder.h"
00022 #include <tqapplication.h>
00023 #include <tqeventloop.h>
00024 #include <kstaticdeleter.h>
00025 #include <kidna.h>
00026 #include <kdebug.h>
00027 #ifdef HAVE_DNSSD
00028 #include <avahi-tqt/qt-watch.h>
00029 #endif
00030 
00031 namespace DNSSD
00032 {
00033 
00034 static KStaticDeleter<Responder> responder_sd;
00035 Responder* Responder::m_self = 0;
00036 
00037 #ifdef HAVE_DNSSD
00038 void client_callback(AvahiClient *, AvahiClientState s, void* u)
00039 {
00040     Responder *r = reinterpret_cast<Responder*>(u);
00041     emit (r->stateChanged(s));
00042 }
00043 #endif
00044 
00045 
00046 Responder::Responder()
00047 {
00048     int error;
00049 #ifdef HAVE_DNSSD
00050     const AvahiPoll* poll = avahi_qt_poll_get();
00051 #ifdef AVAHI_API_0_6
00052     m_client = avahi_client_new(poll, AVAHI_CLIENT_IGNORE_USER_CONFIG,client_callback, this,  &error);
00053 #else
00054     m_client = avahi_client_new(poll, client_callback, this,  &error);
00055 #endif
00056     if (!m_client) kdWarning() << "Failed to create avahi client" << endl;
00057 #endif
00058 }
00059 
00060 Responder::~Responder()
00061 {
00062 #ifdef HAVE_DNSSD
00063     if (m_client) avahi_client_free(m_client);
00064 #endif
00065 }
00066 
00067 Responder& Responder::self()
00068 {
00069     if (!m_self) responder_sd.setObject(m_self, new Responder);
00070     return *m_self;
00071 }
00072 
00073 void Responder::process()
00074 {
00075     tqApp->eventLoop()->processEvents(TQEventLoop::ExcludeUserInput);
00076 }
00077 
00078 #ifdef HAVE_DNSSD
00079 AvahiClientState Responder::state() const
00080 {
00081 #ifdef AVAHI_API_0_6
00082     return (m_client) ? (avahi_client_get_state(m_client)) : AVAHI_CLIENT_FAILURE;
00083 #else
00084     return (m_client) ? (avahi_client_get_state(m_client)) : AVAHI_CLIENT_DISCONNECTED;
00085 #endif
00086 }
00087 #endif
00088 
00089 bool domainIsLocal(const TQString& domain)
00090 {
00091     return TQString(domain.section('.',-1,-1)).lower()=="local";
00092 }
00093 
00094 TQCString domainToDNS(const TQString &domain)
00095 {
00096     if (domainIsLocal(domain)) return domain.utf8();
00097         else return KIDNA::toAsciiCString(domain);
00098 }
00099 
00100 TQString DNSToDomain(const char* domain)
00101 {
00102     if (domainIsLocal(domain)) return TQString::fromUtf8(domain);
00103         else return KIDNA::toUnicode(domain);
00104 }
00105 
00106 
00107 }
00108 #include "responder.moc"

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