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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "syssocket.h" // this should be the first header included
#include "servicebrowser_p.h"
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QProcess>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#ifdef Q_OS_LINUX
#define EMBEDDED_LIB
#endif
#ifdef EMBEDDED_LIB
#include "embed/dnssd_ipc.c"
#include "embed/dnssd_clientlib.c"
#include "embed/dnssd_clientstub.c"
#ifdef Q_OS_WIN
#include "embed/DebugServices.c"
#endif
namespace ZeroConf {
namespace Internal {
// represents a zero conf library exposing the dns-sd interface
class EmbeddedZConfLib : public ZConfLib
{
public:
QString daemonPath;
EmbeddedZConfLib(const QString &daemonPath, ZConfLib::Ptr fallBack) : ZConfLib(fallBack),
daemonPath(daemonPath)
{
if (!daemonPath.isEmpty() && daemonPath.at(0) != '/' && daemonPath.at(0) != '.')
this->daemonPath = QCoreApplication::applicationDirPath() + QChar('/') + daemonPath;
}
~EmbeddedZConfLib()
{ }
QString name()
{
return QString::fromLatin1("EmbeddedZeroConfLib@%1").arg(size_t(this), 0, 16);
}
bool tryStartDaemon()
{
if (!daemonPath.isEmpty()) {
if (QProcess::startDetached(daemonPath)) {
QThread::yieldCurrentThread();
// sleep a bit?
if (DEBUG_ZEROCONF)
qDebug() << name() << " started " << daemonPath;
return true;
} else {
this->setError(true, ZConfLib::tr("%1 failed starting embedded daemon at %2")
.arg(name()).arg(daemonPath));
}
}
return false;
}
void refDeallocate(DNSServiceRef sdRef)
{
embeddedLib::DNSServiceRefDeallocate(sdRef);
}
void browserDeallocate(BrowserRef *bRef)
{
if (bRef){
embeddedLib::DNSServiceRefDeallocate(*reinterpret_cast<DNSServiceRef*>(bRef));
*bRef = 0;
}
}
void stopConnection(ConnectionRef cRef)
{
int sock = refSockFD(cRef);
if (sock>0)
shutdown(sock, SHUT_RDWR);
}
void destroyConnection(ConnectionRef *sdRef)
{
if (sdRef) {
embeddedLib::DNSServiceRefDeallocate(*reinterpret_cast<DNSServiceRef*>(sdRef));
*sdRef = 0;
}
}
DNSServiceErrorType resolve(ConnectionRef cRef,
DNSServiceRef *sdRef,
uint32_t interfaceIndex,
ZK_IP_Protocol /* protocol */,
const char *name,
const char *regtype,
const char *domain,
ServiceGatherer *gatherer)
{
*sdRef = reinterpret_cast<DNSServiceRef>(cRef);
return embeddedLib::DNSServiceResolve(sdRef, kDNSServiceFlagsShareConnection
| kDNSServiceFlagsSuppressUnusable
| kDNSServiceFlagsTimeout,
interfaceIndex, name, regtype, domain,
&cServiceResolveReply, gatherer);
}
DNSServiceErrorType queryRecord(ConnectionRef cRef,
DNSServiceRef *sdRef,
uint32_t interfaceIndex,
const char *fullname,
ServiceGatherer *gatherer)
{
*sdRef = reinterpret_cast<DNSServiceRef>(cRef);
return embeddedLib::DNSServiceQueryRecord(sdRef, kDNSServiceFlagsShareConnection
| kDNSServiceFlagsSuppressUnusable
| kDNSServiceFlagsTimeout,
interfaceIndex, fullname,
kDNSServiceType_TXT, kDNSServiceClass_IN,
&cTxtRecordReply , gatherer);
}
DNSServiceErrorType getAddrInfo(ConnectionRef cRef,
DNSServiceRef *sdRef,
uint32_t interfaceIndex,
DNSServiceProtocol protocol,
const char *hostname,
ServiceGatherer *gatherer)
{
*sdRef = reinterpret_cast<DNSServiceRef>(cRef);
return embeddedLib::DNSServiceGetAddrInfo(sdRef, kDNSServiceFlagsShareConnection
| kDNSServiceFlagsSuppressUnusable
| kDNSServiceFlagsTimeout,
interfaceIndex, protocol,
hostname, &cAddrReply, gatherer);
}
DNSServiceErrorType reconfirmRecord(ConnectionRef /*cRef*/, uint32_t /*interfaceIndex*/,
const char * /*name*/, const char * /*type*/,
const char * /*domain*/, const char * /*fullname*/)
{
// reload and force update with in the callback with
// embeddedLib::DNSServiceReconfirmRecord(flags, interfaceIndex, fullname, rrtype,
// rrclass, rdlen, rdata);
return kDNSServiceErr_Unsupported;
}
DNSServiceErrorType browse(ConnectionRef cRef,
BrowserRef *bRef,
uint32_t interfaceIndex,
const char *regtype,
const char *domain, /* may be NULL */
ServiceBrowserPrivate *browser)
{
DNSServiceRef *sdRef = reinterpret_cast<DNSServiceRef *>(bRef);
*sdRef = reinterpret_cast<DNSServiceRef>(cRef);
return embeddedLib::DNSServiceBrowse(sdRef, kDNSServiceFlagsShareConnection
| kDNSServiceFlagsSuppressUnusable,
interfaceIndex, regtype, domain, &cBrowseReply,
browser);
}
DNSServiceErrorType getProperty(const char *property, void *result, uint32_t *size)
{
return embeddedLib::DNSServiceGetProperty(property, result, size);
}
RunLoopStatus processOneEventBlock(ConnectionRef cRef)
{
if (embeddedLib::DNSServiceProcessResult(reinterpret_cast<DNSServiceRef>(cRef)) != kDNSServiceErr_NoError)
return ProcessedError;
return ProcessedOk;
}
DNSServiceErrorType createConnection(ConnectionRef *sdRef)
{
return embeddedLib::DNSServiceCreateConnection(reinterpret_cast<DNSServiceRef*>(sdRef));
}
int refSockFD(ConnectionRef sdRef)
{
return embeddedLib::DNSServiceRefSockFD(reinterpret_cast<DNSServiceRef>(sdRef));
}
};
ZConfLib::Ptr ZConfLib::createEmbeddedLib(const QString &daemonPath, ZConfLib::Ptr fallback)
{
return ZConfLib::Ptr(new EmbeddedZConfLib(daemonPath, fallback));
}
} // namespace Internal
} // namespace ZeroConf
#else // no embedded lib
namespace ZeroConf {
namespace Internal {
ZConfLib::Ptr ZConfLib::createEmbeddedLib(const QString &, ZConfLib::Ptr fallback)
{
return fallback;
}
} // namespace Internal
} // namespace ZeroConf
#endif
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