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110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/*
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Copyright (c) 2007, Trenton Schulz
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "bonjour/bonjourservicebrowser.h"
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#include <QtCore/QSocketNotifier>
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BonjourServiceBrowser::BonjourServiceBrowser(QObject *parent)
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: QObject(parent)
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, dnssref(0)
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, bonjourSocket(0)
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{
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}
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BonjourServiceBrowser::~BonjourServiceBrowser()
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{
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if (dnssref)
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{
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DNSServiceRefDeallocate(dnssref);
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dnssref = 0;
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}
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}
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void BonjourServiceBrowser::browseForServiceType(const QString &serviceType)
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{
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DNSServiceErrorType err = DNSServiceBrowse(&dnssref, 0, 0, serviceType.toUtf8().constData(), 0, bonjourBrowseReply, this);
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if (err != kDNSServiceErr_NoError)
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{
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emit error(err);
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}
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else
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{
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int sockfd = DNSServiceRefSockFD(dnssref);
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if (sockfd == -1)
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{
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emit error(kDNSServiceErr_Invalid);
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}
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else
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{
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bonjourSocket = new QSocketNotifier(sockfd, QSocketNotifier::Read, this);
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connect(bonjourSocket, &QSocketNotifier::activated, this, &BonjourServiceBrowser::bonjourSocketReadyRead);
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}
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}
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}
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void BonjourServiceBrowser::bonjourSocketReadyRead()
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{
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DNSServiceErrorType err = DNSServiceProcessResult(dnssref);
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if (err != kDNSServiceErr_NoError)
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{
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emit error(err);
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}
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}
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void BonjourServiceBrowser::bonjourBrowseReply(DNSServiceRef , DNSServiceFlags flags,
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quint32 , DNSServiceErrorType errorCode,
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const char *serviceName, const char *regType,
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const char *replyDomain, void *context)
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{
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BonjourServiceBrowser *serviceBrowser = static_cast<BonjourServiceBrowser *>(context);
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if (errorCode != kDNSServiceErr_NoError)
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{
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emit serviceBrowser->error(errorCode);
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}
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else
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{
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BonjourRecord bonjourRecord(serviceName, regType, replyDomain);
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if ((flags & kDNSServiceFlagsAdd) != 0)
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{
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if (!serviceBrowser->bonjourRecords.contains(bonjourRecord))
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{
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serviceBrowser->bonjourRecords.append(bonjourRecord);
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}
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}
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else
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{
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serviceBrowser->bonjourRecords.removeAll(bonjourRecord);
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}
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if (!(flags & kDNSServiceFlagsMoreComing))
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{
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emit serviceBrowser->currentBonjourRecordsChanged(serviceBrowser->bonjourRecords);
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}
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}
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}
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