dnssd Library API Documentation

domainbrowser.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., 59 Temple Place - Suite 330, 00018 * Boston, MA 02111-1307, USA. 00019 */ 00020 00021 #include <qstringlist.h> 00022 #include "domainbrowser.h" 00023 #include "settings.h" 00024 #include "remoteservice.h" 00025 #include "query.h" 00026 #include <kapplication.h> 00027 00028 namespace DNSSD 00029 { 00030 00031 class DomainBrowserPrivate 00032 { 00033 public: 00034 QDict<Query> resolvers; 00035 QStringList m_domains; 00036 bool m_recursive; 00037 bool m_running; 00038 }; 00039 00040 DomainBrowser::DomainBrowser(QObject *parent) : QObject(parent) 00041 { 00042 d = new DomainBrowserPrivate; 00043 d->m_running = false; 00044 d->resolvers.setAutoDelete(true); 00045 d->m_recursive = Configuration::recursive(); 00046 d->m_domains = Configuration::domainList(); 00047 if (Configuration::browseLocal()) d->m_domains+="local."; 00048 connect(KApplication::kApplication(),SIGNAL(kipcMessage(int,int)),this, 00049 SLOT(domainListChanged(int,int))); 00050 } 00051 00052 DomainBrowser::DomainBrowser(const QStringList& domains, bool recursive, QObject *parent) : QObject(parent) 00053 { 00054 d = new DomainBrowserPrivate; 00055 d->m_recursive = recursive; 00056 d->m_running = false; 00057 d->resolvers.setAutoDelete(true); 00058 d->m_domains=domains; 00059 } 00060 00061 00062 DomainBrowser::~DomainBrowser() 00063 { 00064 delete d; 00065 } 00066 00067 00068 void DomainBrowser::startBrowse() 00069 { 00070 if (d->m_running) return; 00071 d->m_running=true; 00072 QStringList::const_iterator itEnd = d->m_domains.end(); 00073 for (QStringList::const_iterator it=d->m_domains.begin(); it!=itEnd; ++it ) { 00074 emit domainAdded(*it); 00075 if (d->m_recursive) { 00076 Query* b = new Query("b._dns-sd._udp",(*it)); 00077 connect(b,SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)),this, 00078 SLOT(gotNewDomain(DNSSD::RemoteService::Ptr))); 00079 connect(b,SIGNAL(serviceRemoved(DNSSD::RemoteService::Ptr )),this, 00080 SLOT(gotRemoveDomain(DNSSD::RemoteService::Ptr))); 00081 b->startQuery(); 00082 d->resolvers.insert((*it),b); 00083 } 00084 } 00085 } 00086 00087 void DomainBrowser::gotNewDomain(DNSSD::RemoteService::Ptr srv) 00088 { 00089 QString domain = srv->serviceName()+"."+srv->domain(); 00090 if (d->m_domains.contains(domain)) return; 00091 d->m_domains.append(domain); 00092 emit domainAdded(domain); 00093 if (d->m_recursive && !d->resolvers[domain]) { 00094 Query* b = new Query("b._dns-sd._udp",domain); 00095 connect(b,SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)),this, 00096 SLOT(gotNewDomain(DNSSD::RemoteService::Ptr))); 00097 connect(b,SIGNAL(serviceRemoved(DNSSD::RemoteService::Ptr )),this, 00098 SLOT(gotRemoveDomain(DNSSD::RemoteService::Ptr))); 00099 b->startQuery(); 00100 d->resolvers.insert(domain,b); 00101 } 00102 } 00103 00104 void DomainBrowser::gotRemoveDomain(DNSSD::RemoteService::Ptr srv) 00105 { 00106 QString domain = srv->serviceName()+"."+srv->domain(); 00107 d->m_domains.remove(domain); 00108 emit domainRemoved(domain); 00109 d->resolvers.remove(domain); 00110 } 00111 00112 void DomainBrowser::domainListChanged(int message,int) 00113 { 00114 if (message!=KIPCDomainsChanged) return; 00115 bool was_running = d->m_running; 00116 d->m_running = false; 00117 // remove all domains and resolvers 00118 d->resolvers.clear(); 00119 if (was_running) { 00120 QStringList::const_iterator itEnd = d->m_domains.end(); 00121 for (QStringList::const_iterator it=d->m_domains.begin(); it!=itEnd; ++it ) 00122 emit domainRemoved(*it); 00123 } 00124 d->m_domains.clear(); 00125 // now reread configuration and add domains 00126 Configuration::self()->readConfig(); 00127 d->m_recursive = Configuration::recursive(); 00128 d->m_domains = Configuration::domainList(); 00129 if (Configuration::browseLocal()) d->m_domains+="local."; 00130 // this will emit domainAdded() for every domain if necessary 00131 if (was_running) startBrowse(); 00132 } 00133 00134 const QStringList& DomainBrowser::domains() const 00135 { 00136 return d->m_domains; 00137 } 00138 00139 bool DomainBrowser::isRunning() const 00140 { 00141 return d->m_running; 00142 } 00143 00144 void DomainBrowser::virtual_hook(int, void*) 00145 {} 00146 00147 } 00148 #include "domainbrowser.moc"
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This file is part of the documentation for dnssd Library Version 3.4.0.
Documentation copyright © 1996-2004 the KDE developers.
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