1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org> 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtNetwork module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QDNSLOOKUP_P_H 41 #define QDNSLOOKUP_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists for the convenience 48 // of the QDnsLookup class. This header file may change from 49 // version to version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtNetwork/private/qtnetworkglobal_p.h> 55 #include "QtCore/qmutex.h" 56 #include "QtCore/qrunnable.h" 57 #include "QtCore/qsharedpointer.h" 58 #if QT_CONFIG(thread) 59 #include "QtCore/qthreadpool.h" 60 #endif 61 #include "QtNetwork/qdnslookup.h" 62 #include "QtNetwork/qhostaddress.h" 63 #include "private/qobject_p.h" 64 65 QT_REQUIRE_CONFIG(dnslookup); 66 67 QT_BEGIN_NAMESPACE 68 69 //#define QDNSLOOKUP_DEBUG 70 71 class QDnsLookupRunnable; 72 73 class QDnsLookupReply 74 { 75 public: QDnsLookupReply()76 QDnsLookupReply() 77 : error(QDnsLookup::NoError) 78 { } 79 80 QDnsLookup::Error error; 81 QString errorString; 82 83 QList<QDnsDomainNameRecord> canonicalNameRecords; 84 QList<QDnsHostAddressRecord> hostAddressRecords; 85 QList<QDnsMailExchangeRecord> mailExchangeRecords; 86 QList<QDnsDomainNameRecord> nameServerRecords; 87 QList<QDnsDomainNameRecord> pointerRecords; 88 QList<QDnsServiceRecord> serviceRecords; 89 QList<QDnsTextRecord> textRecords; 90 }; 91 92 class QDnsLookupPrivate : public QObjectPrivate 93 { 94 public: QDnsLookupPrivate()95 QDnsLookupPrivate() 96 : isFinished(false) 97 , type(QDnsLookup::A) 98 , runnable(nullptr) 99 { } 100 101 void _q_lookupFinished(const QDnsLookupReply &reply); 102 103 static const char *msgNoIpV6NameServerAdresses; 104 105 bool isFinished; 106 QString name; 107 QDnsLookup::Type type; 108 QHostAddress nameserver; 109 QDnsLookupReply reply; 110 QDnsLookupRunnable *runnable; 111 112 Q_DECLARE_PUBLIC(QDnsLookup) 113 }; 114 115 class QDnsLookupRunnable : public QObject, public QRunnable 116 { 117 Q_OBJECT 118 119 public: QDnsLookupRunnable(QDnsLookup::Type type,const QByteArray & name,const QHostAddress & nameserver)120 QDnsLookupRunnable(QDnsLookup::Type type, const QByteArray &name, const QHostAddress &nameserver) 121 : requestType(type) 122 , requestName(name) 123 , nameserver(nameserver) 124 { } 125 void run() override; 126 127 signals: 128 void finished(const QDnsLookupReply &reply); 129 130 private: 131 static void query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply); 132 QDnsLookup::Type requestType; 133 QByteArray requestName; 134 QHostAddress nameserver; 135 }; 136 137 #if QT_CONFIG(thread) 138 class QDnsLookupThreadPool : public QThreadPool 139 { 140 Q_OBJECT 141 142 public: 143 QDnsLookupThreadPool(); 144 void start(QRunnable *runnable); 145 146 private slots: 147 void _q_applicationDestroyed(); 148 149 private: 150 QMutex signalsMutex; 151 bool signalsConnected; 152 }; 153 #endif // QT_CONFIG(thread) 154 155 class QDnsRecordPrivate : public QSharedData 156 { 157 public: QDnsRecordPrivate()158 QDnsRecordPrivate() 159 : timeToLive(0) 160 { } 161 162 QString name; 163 quint32 timeToLive; 164 }; 165 166 class QDnsDomainNameRecordPrivate : public QDnsRecordPrivate 167 { 168 public: QDnsDomainNameRecordPrivate()169 QDnsDomainNameRecordPrivate() 170 { } 171 172 QString value; 173 }; 174 175 class QDnsHostAddressRecordPrivate : public QDnsRecordPrivate 176 { 177 public: QDnsHostAddressRecordPrivate()178 QDnsHostAddressRecordPrivate() 179 { } 180 181 QHostAddress value; 182 }; 183 184 class QDnsMailExchangeRecordPrivate : public QDnsRecordPrivate 185 { 186 public: QDnsMailExchangeRecordPrivate()187 QDnsMailExchangeRecordPrivate() 188 : preference(0) 189 { } 190 191 QString exchange; 192 quint16 preference; 193 }; 194 195 class QDnsServiceRecordPrivate : public QDnsRecordPrivate 196 { 197 public: QDnsServiceRecordPrivate()198 QDnsServiceRecordPrivate() 199 : port(0), 200 priority(0), 201 weight(0) 202 { } 203 204 QString target; 205 quint16 port; 206 quint16 priority; 207 quint16 weight; 208 }; 209 210 class QDnsTextRecordPrivate : public QDnsRecordPrivate 211 { 212 public: QDnsTextRecordPrivate()213 QDnsTextRecordPrivate() 214 { } 215 216 QList<QByteArray> values; 217 }; 218 219 QT_END_NAMESPACE 220 221 Q_DECLARE_METATYPE(QDnsLookupReply) 222 223 #endif // QDNSLOOKUP_P_H 224