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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /dnssd/publicservice.cpp
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'dnssd/publicservice.cpp')
-rw-r--r--dnssd/publicservice.cpp230
1 files changed, 230 insertions, 0 deletions
diff --git a/dnssd/publicservice.cpp b/dnssd/publicservice.cpp
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+/* This file is part of the KDE project
+ *
+ * Copyright (C) 2004, 2005 Jakub Stachowski <qbast@go2.pl>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include "publicservice.h"
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <qapplication.h>
+#include <network/ksocketaddress.h>
+#include <kurl.h>
+#include <unistd.h>
+#include "sdevent.h"
+#include "responder.h"
+#include "servicebrowser.h"
+#include "settings.h"
+
+namespace DNSSD
+{
+static unsigned long publicIP();
+#ifdef HAVE_DNSSD
+void publish_callback (DNSServiceRef, DNSServiceFlags, DNSServiceErrorType errorCode, const char *name,
+ const char*, const char*, void *context);
+#endif
+class PublicServicePrivate : public Responder
+{
+public:
+ PublicServicePrivate() : m_published(false)
+ {}
+ bool m_published;
+};
+
+PublicService::PublicService(const QString& name, const QString& type, unsigned int port,
+ const QString& domain)
+ : QObject(), ServiceBase(name, type, QString::null, domain, port)
+{
+ d = new PublicServicePrivate;
+ if (domain.isNull())
+ if (Configuration::publishType()==Configuration::EnumPublishType::LAN) m_domain="local.";
+ else m_domain=Configuration::publishDomain();
+}
+
+
+PublicService::~PublicService()
+{
+ stop();
+ delete d;
+}
+
+void PublicService::setServiceName(const QString& serviceName)
+{
+ m_serviceName = serviceName;
+ if (d->isRunning()) {
+ stop();
+ publishAsync();
+ }
+}
+
+void PublicService::setDomain(const QString& domain)
+{
+ m_domain = domain;
+ if (d->isRunning()) {
+ stop();
+ publishAsync();
+ }
+}
+
+
+void PublicService::setType(const QString& type)
+{
+ m_type = type;
+ if (d->isRunning()) {
+ stop();
+ publishAsync();
+ }
+}
+
+void PublicService::setPort(unsigned short port)
+{
+ m_port = port;
+ if (d->isRunning()) {
+ stop();
+ publishAsync();
+ }
+}
+
+bool PublicService::isPublished() const
+{
+ return d->m_published;
+}
+
+void PublicService::setTextData(const QMap<QString,QString>& textData)
+{
+ m_textData = textData;
+ if (d->isRunning()) {
+ stop();
+ publishAsync();
+ }
+}
+
+bool PublicService::publish()
+{
+ publishAsync();
+ while (d->isRunning() && !d->m_published) d->process();
+ return d->m_published;
+}
+
+void PublicService::stop()
+{
+ d->stop();
+ d->m_published = false;
+}
+
+void PublicService::publishAsync()
+{
+ if (d->isRunning()) stop();
+#ifdef HAVE_DNSSD
+ if (ServiceBrowser::isAvailable()==ServiceBrowser::Working) {
+ TXTRecordRef txt;
+ TXTRecordCreate(&txt,0,0);
+ QMap<QString,QString>::ConstIterator itEnd = m_textData.end();
+ for (QMap<QString,QString>::ConstIterator it = m_textData.begin(); it!=itEnd ; ++it) {
+ QCString value = it.data().utf8();
+ if (TXTRecordSetValue(&txt,it.key().utf8(),value.length(),value)!=kDNSServiceErr_NoError) {
+ TXTRecordDeallocate(&txt);
+ emit published(false);
+ return;
+ }
+ }
+ DNSServiceRef ref;
+ if (DNSServiceRegister(&ref,0,0,m_serviceName.utf8(),m_type.ascii(),domainToDNS(m_domain),NULL,
+ htons(m_port),TXTRecordGetLength(&txt),TXTRecordGetBytesPtr(&txt),publish_callback,
+ reinterpret_cast<void*>(this)) == kDNSServiceErr_NoError) d->setRef(ref);
+ TXTRecordDeallocate(&txt);
+ }
+#endif
+ if (!d->isRunning()) emit published(false);
+}
+
+#ifdef HAVE_DNSSD
+void publish_callback (DNSServiceRef, DNSServiceFlags, DNSServiceErrorType errorCode, const char *name,
+ const char*, const char*, void *context)
+{
+ QObject *obj = reinterpret_cast<QObject*>(context);
+ if (errorCode != kDNSServiceErr_NoError) {
+ ErrorEvent err;
+ QApplication::sendEvent(obj, &err);
+ } else {
+ PublishEvent pev(QString::fromUtf8(name));
+ QApplication::sendEvent(obj, &pev);
+ }
+}
+#endif
+
+const KURL PublicService::toInvitation(const QString& host)
+{
+ KURL url;
+ url.setProtocol("invitation");
+ if (host.isEmpty()) { // select best address
+ unsigned long s_address = publicIP();
+ if (!s_address) return KURL();
+ KNetwork::KIpAddress addr(s_address);
+ url.setHost(addr.toString());
+ } else url.setHost(host);
+ //FIXME: if there is no public interface, select any non-loopback
+ url.setPort(m_port);
+ url.setPath("/"+m_type+"/"+KURL::encode_string(m_serviceName));
+ QString query;
+ QMap<QString,QString>::ConstIterator itEnd = m_textData.end();
+ for (QMap<QString,QString>::ConstIterator it = m_textData.begin(); it!=itEnd ; ++it)
+ url.addQueryItem(it.key(),it.data());;
+ return url;
+}
+
+void PublicService::customEvent(QCustomEvent* event)
+{
+ if (event->type()==QEvent::User+SD_ERROR) {
+ stop();
+ emit published(false);
+ }
+ if (event->type()==QEvent::User+SD_PUBLISH) {
+ d->m_published=true;
+ emit published(true);
+ m_serviceName = static_cast<PublishEvent*>(event)->m_name;
+ }
+}
+
+void PublicService::virtual_hook(int, void*)
+{
+}
+
+static unsigned long publicIP()
+{
+ struct sockaddr_in addr;
+ socklen_t len = sizeof(addr);
+ int sock = socket(AF_INET,SOCK_DGRAM,0);
+ if (sock == -1) return 0;
+ addr.sin_family = AF_INET;
+ addr.sin_port = 1; // Not important, any port and public address will do
+ addr.sin_addr.s_addr = 0x11111111;
+ if ((connect(sock,(const struct sockaddr*)&addr,sizeof(addr))) == -1) { close(sock); return 0; }
+ if ((getsockname(sock,(struct sockaddr*)&addr, &len)) == -1) { close(sock); return 0; }
+ ::close(sock);
+ return addr.sin_addr.s_addr;
+}
+
+
+}
+
+#include "publicservice.moc"