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., 51 Franklin Street, Fifth Floor, 00018 * Boston, MA 02110-1301, USA. 00019 */ 00020 00021 #include <qstringlist.h> 00022 #include "domainbrowser.h" 00023 #include "settings.h" 00024 #include "sdevent.h" 00025 #include "responder.h" 00026 #include "remoteservice.h" 00027 #include "query.h" 00028 #include "servicebrowser.h" 00029 #include <kapplication.h> 00030 #ifdef AVAHI_API_0_6 00031 #include <avahi-client/lookup.h> 00032 #endif 00033 00034 namespace DNSSD 00035 { 00036 00037 #ifdef AVAHI_API_0_6 00038 void domains_callback(AvahiDomainBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* replyDomain, 00039 AvahiLookupResultFlags, void* context); 00040 #else 00041 void domains_callback(AvahiDomainBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* replyDomain, 00042 void* context); 00043 #endif 00044 00045 class DomainBrowserPrivate 00046 { 00047 public: 00048 DomainBrowserPrivate(DomainBrowser* owner) : m_browseLAN(false), m_started(false), 00049 m_browser(0), m_owner(owner) {} 00050 ~DomainBrowserPrivate() { if (m_browser) avahi_domain_browser_free(m_browser); } 00051 QStringList m_domains; 00052 virtual void customEvent(QCustomEvent* event); 00053 bool m_browseLAN; 00054 bool m_started; 00055 AvahiDomainBrowser* m_browser; 00056 DomainBrowser* m_owner; 00057 }; 00058 00059 void DomainBrowserPrivate::customEvent(QCustomEvent* event) 00060 { 00061 if (event->type()==QEvent::User+SD_ADDREMOVE) { 00062 AddRemoveEvent *aev = static_cast<AddRemoveEvent*>(event); 00063 if (aev->m_op==AddRemoveEvent::Add) m_owner->gotNewDomain(aev->m_domain); 00064 else m_owner->gotRemoveDomain(aev->m_domain); 00065 } 00066 } 00067 00068 DomainBrowser::DomainBrowser(QObject *parent) : QObject(parent) 00069 { 00070 d = new DomainBrowserPrivate(this); 00071 d->m_domains = Configuration::domainList(); 00072 if (Configuration::browseLocal()) { 00073 d->m_domains+="local."; 00074 d->m_browseLAN=true; 00075 } 00076 connect(KApplication::kApplication(),SIGNAL(kipcMessage(int,int)),this, 00077 SLOT(domainListChanged(int,int))); 00078 } 00079 00080 DomainBrowser::DomainBrowser(const QStringList& domains, bool recursive, QObject *parent) : QObject(parent) 00081 { 00082 d = new DomainBrowserPrivate(this); 00083 d->m_browseLAN = recursive; 00084 d->m_domains=domains; 00085 } 00086 00087 00088 DomainBrowser::~DomainBrowser() 00089 { 00090 delete d; 00091 } 00092 00093 00094 void DomainBrowser::startBrowse() 00095 { 00096 if (d->m_started) return; 00097 d->m_started=true; 00098 if (ServiceBrowser::isAvailable()!=ServiceBrowser::Working) return; 00099 QStringList::const_iterator itEnd = d->m_domains.end(); 00100 for (QStringList::const_iterator it=d->m_domains.begin(); it!=itEnd; ++it ) emit domainAdded(*it); 00101 if (d->m_browseLAN) 00102 #ifdef AVAHI_API_0_6 00103 d->m_browser = avahi_domain_browser_new(Responder::self().client(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 00104 "local.", AVAHI_DOMAIN_BROWSER_BROWSE, (AvahiLookupFlags)0, domains_callback, this); 00105 #else 00106 d->m_browser = avahi_domain_browser_new(Responder::self().client(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 00107 "local.", AVAHI_DOMAIN_BROWSER_BROWSE, domains_callback, this); 00108 #endif 00109 } 00110 00111 void DomainBrowser::gotNewDomain(const QString& domain) 00112 { 00113 if (d->m_domains.contains(domain)) return; 00114 d->m_domains.append(domain); 00115 emit domainAdded(domain); 00116 } 00117 00118 void DomainBrowser::gotRemoveDomain(const QString& domain) 00119 { 00120 d->m_domains.remove(domain); 00121 emit domainRemoved(domain); 00122 } 00123 00124 void DomainBrowser::domainListChanged(int message,int) 00125 { 00126 if (message!=KIPCDomainsChanged) return; 00127 00128 bool was_started = d->m_started; 00129 if (d->m_browser) { 00130 avahi_domain_browser_free(d->m_browser); // LAN query 00131 d->m_browser=0; 00132 } 00133 d->m_started = false; 00134 00135 // remove all domains and resolvers 00136 if (was_started) { 00137 QStringList::const_iterator itEnd = d->m_domains.end(); 00138 for (QStringList::const_iterator it=d->m_domains.begin(); it!=itEnd; ++it ) 00139 emit domainRemoved(*it); 00140 } 00141 d->m_domains.clear(); 00142 // now reread configuration and add domains 00143 Configuration::self()->readConfig(); 00144 d->m_browseLAN = Configuration::browseLocal(); 00145 d->m_domains = Configuration::domainList(); 00146 if (Configuration::browseLocal()) d->m_domains+="local"; 00147 // this will emit domainAdded() for every domain if necessary 00148 if (was_started) startBrowse(); 00149 } 00150 00151 const QStringList& DomainBrowser::domains() const 00152 { 00153 return d->m_domains; 00154 } 00155 00156 bool DomainBrowser::isRunning() const 00157 { 00158 return d->m_started; 00159 } 00160 00161 void DomainBrowser::virtual_hook(int, void*) 00162 {} 00163 00164 #ifdef AVAHI_API_0_6 00165 void domains_callback(AvahiDomainBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* replyDomain, 00166 AvahiLookupResultFlags,void* context) 00167 #else 00168 void domains_callback(AvahiDomainBrowser*, AvahiIfIndex, AvahiProtocol, AvahiBrowserEvent event, const char* replyDomain, 00169 void* context) 00170 #endif 00171 { 00172 QObject *obj = reinterpret_cast<QObject*>(context); 00173 AddRemoveEvent* arev=new AddRemoveEvent((event==AVAHI_BROWSER_NEW) ? AddRemoveEvent::Add : 00174 AddRemoveEvent::Remove, QString::null, QString::null, 00175 DNSToDomain(replyDomain)); 00176 QApplication::postEvent(obj, arev); 00177 } 00178 00179 00180 } 00181 #include "domainbrowser.moc"