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

1 files changed, 230 insertions, 0 deletions

diff --git a/dnssd/publicservice.cpp b/dnssd/publicservice.cpp
new file mode 100644
index 000000000..7ba749c53
--- /dev/null
+++ b/dnssd/publicservice.cpp
@@ -0,0 +1,230 @@
+/* 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"