DNSSD

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 <qapplication.h>
00023 #include <kidna.h>
00024 
00025 // dns_sd.h API should care about proper encoding of non-latin1 characters
00026 // but for now it does not
00027 #define IDN_BROKEN_IN_MDNSRESPONDER
00028 
00029 namespace DNSSD
00030 {
00031 
00032 Responder::Responder(DNSServiceRef ref,QObject *parent, const char *name)
00033         : QObject(parent, name), m_ref(0), m_socket(0)
00034 {
00035     setRef(ref);
00036 }
00037  
00038 void Responder::setRef(DNSServiceRef ref)
00039 {
00040     if (m_socket || m_ref) stop();  
00041     m_running = false;
00042     m_ref = ref;
00043     if (m_ref == 0 ) return;
00044 #ifdef HAVE_DNSSD
00045     int fd = DNSServiceRefSockFD(ref);
00046     if (fd == -1) return;
00047     m_socket = new QSocketNotifier(fd,QSocketNotifier::Read,this);
00048     connect(m_socket,SIGNAL(activated(int)),this,SLOT(process()));
00049     m_running = true;
00050 #endif
00051 }
00052 Responder::~Responder()
00053 {
00054     stop();
00055 }
00056 
00057 void Responder::stop()
00058 {
00059     if (m_socket) delete m_socket;
00060     m_socket = 0;
00061 #ifdef HAVE_DNSSD
00062     if (m_ref) DNSServiceRefDeallocate(m_ref);
00063 #endif
00064     m_ref = 0;
00065     m_running = false;
00066 }   
00067 
00068 
00069 void Responder::process()
00070 {
00071 #ifdef HAVE_DNSSD
00072     if ( DNSServiceProcessResult(m_ref) != kDNSServiceErr_NoError) stop();
00073 #endif
00074 }
00075 
00076 bool Responder::isRunning() const
00077 {
00078     return m_running;
00079 }
00080 
00081 bool domainIsLocal(const QString& domain)
00082 {
00083     return domain.section('.',-1,-1).lower()=="local";
00084 }
00085 
00086 QCString domainToDNS(const QString &domain)
00087 {
00088 #ifdef IDN_BROKEN_IN_MDNSRESPONDER
00089     if (domainIsLocal(domain)) return domain.utf8();
00090         else return KIDNA::toAsciiCString(domain);
00091 #else
00092     return domain.utf8();       
00093 #endif
00094 }
00095 
00096 QString DNSToDomain(const char* domain)
00097 {
00098 #ifdef IDN_BROKEN_IN_MDNSRESPONDER
00099     if (domainIsLocal(domain)) return QString::fromUtf8(domain);
00100         else return KIDNA::toUnicode(domain);
00101 #else
00102     return QString::fromUtf8(domain);
00103 #endif
00104 }
00105 
00106 
00107 }
00108 #include "responder.moc"
DNSSD

responder.cpp

DNSSD

API Reference
