108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
/*
|
|
Copyright (c) 2007, Trenton Schulz
|
|
Copyright (C) 2009-2011, Thorvald Natvig <thorvald@natvig.com>
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
|
|
3. The name of the author may not be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
|
EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "BonjourServiceResolver.h"
|
|
|
|
#include <QtCore/QSocketNotifier>
|
|
#include <QtCore/QtEndian>
|
|
|
|
BonjourServiceResolver::ResolveRecord::ResolveRecord(const BonjourRecord &r, BonjourServiceResolver *p) : record(r), bsr(p), dnssref(NULL), bonjourSocket(NULL), bonjourPort(-1) {
|
|
}
|
|
|
|
BonjourServiceResolver::ResolveRecord::~ResolveRecord() {
|
|
delete bonjourSocket;
|
|
if (dnssref)
|
|
DNSServiceRefDeallocate(dnssref);
|
|
}
|
|
|
|
BonjourServiceResolver::BonjourServiceResolver(QObject *p) : QObject(p) {
|
|
}
|
|
|
|
BonjourServiceResolver::~BonjourServiceResolver() {
|
|
foreach(ResolveRecord *rr, qmResolvers)
|
|
delete rr;
|
|
}
|
|
|
|
void BonjourServiceResolver::resolveBonjourRecord(const BonjourRecord &record) {
|
|
ResolveRecord *rr = new ResolveRecord(record, this);
|
|
|
|
DNSServiceErrorType err = DNSServiceResolve(& rr->dnssref, 0, 0,
|
|
record.serviceName.toUtf8().constData(),
|
|
record.registeredType.toUtf8().constData(),
|
|
record.replyDomain.toUtf8().constData(),
|
|
static_cast<DNSServiceResolveReply>(bonjourResolveReply), rr);
|
|
|
|
if (err == kDNSServiceErr_NoError) {
|
|
int sockfd = DNSServiceRefSockFD(rr->dnssref);
|
|
if (sockfd == -1) {
|
|
err = kDNSServiceErr_Invalid;
|
|
} else {
|
|
rr->bonjourSocket = new QSocketNotifier(sockfd, QSocketNotifier::Read, this);
|
|
connect(rr->bonjourSocket, SIGNAL(activated(int)), this, SLOT(bonjourSocketReadyRead(int)));
|
|
qmResolvers.insert(sockfd, rr);
|
|
return;
|
|
}
|
|
}
|
|
|
|
emit error(record, err);
|
|
delete rr;
|
|
}
|
|
|
|
void BonjourServiceResolver::bonjourSocketReadyRead(int sockfd) {
|
|
ResolveRecord *rr = qmResolvers.value(sockfd);
|
|
|
|
if (! rr)
|
|
return;
|
|
|
|
DNSServiceErrorType err = DNSServiceProcessResult(rr->dnssref);
|
|
if (err != kDNSServiceErr_NoError) {
|
|
emit error(rr->record, err);
|
|
qmResolvers.remove(DNSServiceRefSockFD(rr->dnssref));
|
|
delete rr;
|
|
}
|
|
}
|
|
|
|
|
|
void BonjourServiceResolver::bonjourResolveReply(DNSServiceRef, DNSServiceFlags ,
|
|
quint32 , DNSServiceErrorType errorCode,
|
|
const char *, const char *hosttarget, quint16 port,
|
|
quint16 , const unsigned char *, void *context) {
|
|
ResolveRecord *rr = static_cast<ResolveRecord *>(context);
|
|
rr->bsr->qmResolvers.remove(DNSServiceRefSockFD(rr->dnssref));
|
|
|
|
if (errorCode != kDNSServiceErr_NoError) {
|
|
emit rr->bsr->error(rr->record, errorCode);
|
|
delete rr;
|
|
return;
|
|
}
|
|
rr->bonjourPort = qFromBigEndian<quint16>(port);
|
|
emit rr->bsr->bonjourRecordResolved(rr->record, QString::fromUtf8(hosttarget), rr->bonjourPort);
|
|
delete rr;
|
|
}
|