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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /src/network/qhostaddress.cpp
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
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+/****************************************************************************
+**
+** Implementation of TQHostAddress class.
+**
+** Created : 979899
+**
+** Copyright (C) 1997-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the network module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing retquirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qhostaddress.h"
+#include "qstringlist.h"
+
+#ifndef QT_NO_NETWORK
+class TQHostAddressPrivate
+{
+public:
+ TQHostAddressPrivate( Q_UINT32 a_=0 ) : a(a_), isIp4(TRUE)
+ {
+ }
+ TQHostAddressPrivate( Q_UINT8 *a_ );
+ TQHostAddressPrivate(const Q_IPV6ADDR &a_);
+ ~TQHostAddressPrivate()
+ {
+ }
+
+ TQHostAddressPrivate & operator=( const TQHostAddressPrivate &from )
+ {
+ a = from.a;
+ isIp4 = from.isIp4;
+ a6 = from.a6;
+ return *this;
+ }
+
+private:
+ Q_UINT32 a; // ip 4 address
+ Q_IPV6ADDR a6; // ip 6 address
+ bool isIp4;
+
+ friend class TQHostAddress;
+};
+
+TQHostAddressPrivate::TQHostAddressPrivate(Q_UINT8 *a_) : a(0), isIp4(FALSE)
+{
+ for ( int i=0; i<16; i++ ) {
+ a6.c[i] = a_[i];
+ }
+}
+
+TQHostAddressPrivate::TQHostAddressPrivate(const Q_IPV6ADDR &a_) : a(0), isIp4(FALSE)
+{
+ a6 = a_;
+}
+
+/*!
+ \class TQHostAddress qhostaddress.h
+ \brief The TQHostAddress class provides an IP address.
+\if defined(commercial)
+ It is part of the <a href="commercialeditions.html">TQt Enterprise Edition</a>.
+\endif
+
+ \ingroup io
+ \module network
+
+ This class contains an IP address in a platform and protocol
+ independent manner. It stores both IPv4 and IPv6 addresses in a
+ way that you can easily access on any platform.
+
+ TQHostAddress is normally used with the classes TQSocket,
+ TQServerSocket and TQSocketDevice to set up a server or to connect
+ to a host.
+
+ Host addresses may be set with setAddress() and retrieved with
+ ip4Addr() or toString().
+
+ \sa TQSocket, TQServerSocket, TQSocketDevice
+*/
+
+
+/*!
+ Creates a host address object with the IP address 0.0.0.0.
+*/
+TQHostAddress::TQHostAddress()
+ : d( new TQHostAddressPrivate )
+{
+}
+
+
+/*!
+ Creates a host address object for the IPv4 address \a ip4Addr.
+*/
+TQHostAddress::TQHostAddress( Q_UINT32 ip4Addr )
+ : d( new TQHostAddressPrivate( ip4Addr ) )
+{
+}
+
+
+/*!
+ Creates a host address object with the specified IPv6 address.
+
+ \a ip6Addr must be a 16 byte array in network byte order
+ (high-order byte first).
+*/
+TQHostAddress::TQHostAddress( Q_UINT8 *ip6Addr )
+ : d( new TQHostAddressPrivate( ip6Addr ) )
+{
+}
+
+/*!
+ Creates a host address object with the IPv6 address, \a ip6Addr.
+*/
+TQHostAddress::TQHostAddress(const Q_IPV6ADDR &ip6Addr)
+ : d(new TQHostAddressPrivate(ip6Addr))
+{
+}
+
+// ### DOC: Can only make this public if we specify precisely the
+// format of the address string.
+/*!
+ \internal
+*/
+TQHostAddress::TQHostAddress(const TQString &address)
+ : d( new TQHostAddressPrivate )
+{
+ setAddress( address );
+}
+
+/*!
+ Creates a copy of \a address.
+*/
+TQHostAddress::TQHostAddress( const TQHostAddress &address )
+ : d( new TQHostAddressPrivate )
+{
+ *d = *(address.d);
+}
+
+
+/*!
+ Destroys the host address object.
+*/
+TQHostAddress::~TQHostAddress()
+{
+ delete d;
+}
+
+
+/*!
+ Assigns another host address object \a address to this object and
+ returns a reference to this object.
+*/
+TQHostAddress & TQHostAddress::operator=( const TQHostAddress & address )
+{
+ *d = *(address.d);
+ return *this;
+}
+
+
+/*!
+ Set the IPv4 address specified by \a ip4Addr.
+*/
+void TQHostAddress::setAddress( Q_UINT32 ip4Addr )
+{
+ delete d;
+ d = new TQHostAddressPrivate( ip4Addr );
+}
+
+
+/*!
+ \overload
+
+ Set the IPv6 address specified by \a ip6Addr.
+
+ \a ip6Addr must be a 16 byte array in network byte order
+ (high-order byte first).
+*/
+void TQHostAddress::setAddress( Q_UINT8 *ip6Addr )
+{
+ delete d;
+ d = new TQHostAddressPrivate( ip6Addr );
+}
+
+#ifndef QT_NO_STRINGLIST
+static bool parseIp4(const TQString& address, Q_UINT32 *addr)
+{
+ TQStringList ipv4 = TQStringList::split(".", address, FALSE);
+ if (ipv4.count() == 4) {
+ int i = 0;
+ bool ok = TRUE;
+ while(ok && i < 4) {
+ uint byteValue = ipv4[i].toUInt(&ok);
+ if (byteValue > 255)
+ ok = FALSE;
+ if (ok)
+ *addr = (*addr << 8) + byteValue;
+ ++i;
+ }
+ if (ok)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/*!
+ \overload
+
+ Sets the IPv4 or IPv6 address specified by the string
+ representation \a address (e.g. "127.0.0.1"). Returns TRUE and
+ sets the address if the address was successfully parsed; otherwise
+ returns FALSE and leaves the address unchanged.
+*/
+bool TQHostAddress::setAddress(const TQString& address)
+{
+ TQString a = address.simplifyWhiteSpace();
+
+ // try ipv4
+ Q_UINT32 maybeIp4 = 0;
+ if (parseIp4(address, &maybeIp4)) {
+ setAddress(maybeIp4);
+ return TRUE;
+ }
+
+ // try ipv6
+ TQStringList ipv6 = TQStringList::split(":", a, TRUE);
+ int count = (int)ipv6.count();
+ if (count < 3)
+ return FALSE; // there must be at least two ":"
+ if (count > 8)
+ return FALSE; // maximum of seven ":" exceeded
+ Q_UINT8 maybeIp6[16];
+ int mc = 16;
+ int fillCount = 9 - count;
+ for (int i=count-1; i>=0; --i) {
+ if ( mc <= 0 )
+ return FALSE;
+
+ if (ipv6[i].isEmpty()) {
+ if (i==count-1) {
+ // special case: ":" is last character
+ if (!ipv6[i-1].isEmpty())
+ return FALSE;
+ maybeIp6[--mc] = 0;
+ maybeIp6[--mc] = 0;
+ } else if (i==0) {
+ // special case: ":" is first character
+ if (!ipv6[i+1].isEmpty())
+ return FALSE;
+ maybeIp6[--mc] = 0;
+ maybeIp6[--mc] = 0;
+ } else {
+ for (int j=0; j<fillCount; ++j) {
+ if ( mc <= 0 )
+ return FALSE;
+ maybeIp6[--mc] = 0;
+ maybeIp6[--mc] = 0;
+ }
+ }
+ } else {
+ bool ok = FALSE;
+ uint byteValue = ipv6[i].toUInt(&ok, 16);
+ if (ok && byteValue <= 0xffff) {
+ maybeIp6[--mc] = byteValue & 0xff;
+ maybeIp6[--mc] = (byteValue >> 8) & 0xff;
+ } else {
+ if (i == count-1) {
+ // parse the ipv4 part of a mixed type
+ if (!parseIp4(ipv6[i], &maybeIp4))
+ return FALSE;
+ maybeIp6[--mc] = maybeIp4 & 0xff;
+ maybeIp6[--mc] = (maybeIp4 >> 8) & 0xff;
+ maybeIp6[--mc] = (maybeIp4 >> 16) & 0xff;
+ maybeIp6[--mc] = (maybeIp4 >> 24) & 0xff;
+ --fillCount;
+ } else {
+ return FALSE;
+ }
+ }
+ }
+ }
+ if (mc == 0) {
+ setAddress(maybeIp6);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+#endif
+
+/*!
+ \obsolete
+
+ Use isIPv4Address() instead.
+*/
+bool TQHostAddress::isIp4Addr() const
+{
+ return isIPv4Address();
+}
+
+/*!
+ Returns TRUE if the host address represents an IPv4 address;
+ otherwise returns FALSE.
+*/
+bool TQHostAddress::isIPv4Address() const
+{
+ return d->isIp4;
+}
+
+/*!
+ \obsolete
+
+ Use toIPv4Address() instead.
+*/
+Q_UINT32 TQHostAddress::ip4Addr() const
+{
+ return toIPv4Address();
+}
+
+/*!
+ Returns the IPv4 address as a number.
+
+ For example, if the address is 127.0.0.1, the returned value is
+ 2130706433 (i.e. 0x7f000001).
+
+ This value is only valid when isIp4Addr() returns TRUE.
+
+ \sa toString()
+*/
+Q_UINT32 TQHostAddress::toIPv4Address() const
+{
+ return d->a;
+}
+
+/*!
+ Returns TRUE if the host address represents an IPv6 address;
+ otherwise returns FALSE.
+*/
+bool TQHostAddress::isIPv6Address() const
+{
+ return !d->isIp4;
+}
+
+/*!
+ Returns the IPv6 address as a Q_IPV6ADDR structure. The structure
+ consists of 16 unsigned characters.
+
+ \code
+ Q_IPV6ADDR addr = hostAddr.ip6Addr();
+ // addr.c[] contains 16 unsigned characters
+
+ for (int i = 0; i < 16; ++i) {
+ // process addr.c[i]
+ }
+ \endcode
+
+ This value is only valid when isIPv6Address() returns TRUE.
+
+ \sa toString()
+*/
+Q_IPV6ADDR TQHostAddress::toIPv6Address() const
+{
+ return d->a6;
+}
+
+#ifndef QT_NO_SPRINTF
+/*!
+ Returns the address as a string.
+
+ For example, if the address is the IPv4 address 127.0.0.1, the
+ returned string is "127.0.0.1".
+
+ \sa ip4Addr()
+*/
+TQString TQHostAddress::toString() const
+{
+ if ( d->isIp4 ) {
+ Q_UINT32 i = ip4Addr();
+ TQString s;
+ s.sprintf( "%d.%d.%d.%d", (i>>24) & 0xff, (i>>16) & 0xff,
+ (i >> 8) & 0xff, i & 0xff );
+ return s;
+ } else {
+ Q_UINT16 ugle[8];
+ for ( int i=0; i<8; i++ ) {
+ ugle[i] = ( (Q_UINT16)( d->a6.c[2*i] ) << 8 ) |
+ ( (Q_UINT16)( d->a6.c[2*i+1] ) );
+ }
+ TQString s;
+ s.sprintf( "%X:%X:%X:%X:%X:%X:%X:%X",
+ ugle[0], ugle[1], ugle[2], ugle[3],
+ ugle[4], ugle[5], ugle[6], ugle[7] );
+ return s;
+ }
+}
+#endif
+
+
+/*!
+ Returns TRUE if this host address is the same as \a other;
+ otherwise returns FALSE.
+*/
+bool TQHostAddress::operator==( const TQHostAddress & other ) const
+{
+ return d->a == other.d->a;
+}
+
+
+/*!
+ Returns TRUE if this host address is null (INADDR_ANY or in6addr_any). The
+ default constructor creates a null address, and that address isn't valid
+ for any particular host or interface.
+*/
+bool TQHostAddress::isNull() const
+{
+ if ( d->isIp4 )
+ return d->a == 0;
+ int i = 0;
+ while( i < 16 ) {
+ if ( d->a6.c[i++] != 0 )
+ return FALSE;
+ }
+ return TRUE;
+}
+
+#endif //QT_NO_NETWORK