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C++ QHostAddress::isIPv6Address方法代码示例

本文整理汇总了C++中QHostAddress::isIPv6Address方法的典型用法代码示例。如果您正苦于以下问题：C++ QHostAddress::isIPv6Address方法的具体用法？C++ QHostAddress::isIPv6Address怎么用？C++ QHostAddress::isIPv6Address使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QHostAddress的用法示例。


在下文中一共展示了QHostAddress::isIPv6Address方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: sizeof

bool Q3SocketDevice::bind( const QHostAddress &address, Q_UINT16 port )
{
    if ( !isValid() )
	return false;
    int r;
    struct sockaddr_in a4;
#if !defined(QT_NO_IPV6)
    struct sockaddr_in6 a6;

    if ( address.isIPv6Address() ) {
	memset( &a6, 0, sizeof(a6) );
	a6.sin6_family = AF_INET6;
	a6.sin6_port = htons( port );
	Q_IPV6ADDR tmp = address.toIPv6Address();
	memcpy( &a6.sin6_addr.s6_addr, &tmp, sizeof(tmp) );

	r = QT_SOCKET_BIND( fd, (struct sockaddr *)&a6, sizeof(a6) );
    } else
#endif
    if ( address.isIPv4Address() ) {
	memset( &a4, 0, sizeof(a4) );
	a4.sin_family = AF_INET;
	a4.sin_port = htons( port );
	a4.sin_addr.s_addr = htonl( address.toIPv4Address() );

	r = QT_SOCKET_BIND( fd, (struct sockaddr*)&a4, sizeof(a4) );
    } else {
	e = Impossible;
	return false;
    }

    if ( r < 0 ) {
	switch( errno ) {
	case EINVAL:
	    e = AlreadyBound;
	    break;
	case EACCES:
	    e = Inaccessible;
	    break;
	case ENOMEM:
	    e = NoResources;
	    break;
	case EFAULT: // a was illegal
	case ENAMETOOLONG: // sz was wrong
	    e = InternalError;
	    break;
	case EBADF: // AF_UNIX only
	case ENOTSOCK: // AF_UNIX only
	case EROFS: // AF_UNIX only
	case ENOENT: // AF_UNIX only
	case ENOTDIR: // AF_UNIX only
	case ELOOP: // AF_UNIX only
	    e = Impossible;
	    break;
	default:
	    e = UnknownError;
	    break;
	}
	return false;
    }
    fetchConnectionParameters();
    return true;
}
开发者ID:Mr-Kumar-Abhishek，项目名称:qt，代码行数:63，代码来源:q3socketdevice_unix.cpp

示例2: defined

Q_LONG Q3SocketDevice::writeBlock( const char * data, Q_ULONG len,
			       const QHostAddress & host, quint16 port )
{
    if ( t != Datagram ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Not datagram" );
#endif
	return -1; // for now - later we can do t/tcp
    }

    if ( data == 0 && len != 0 ) {
#if defined(QT_CHECK_NULL) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Null pointer error" );
#endif
	return -1;
    }
    if ( !isValid() ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Invalid socket" );
#endif
	return -1;
    }
    if ( !isOpen() ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Device is not open" );
#endif
	return -1;
    }
    if ( !isWritable() ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Write operation not permitted" );
#endif
	return -1;
    }
    struct sockaddr_in a4;
    struct sockaddr *aa;
    SOCKLEN_T slen;
#if !defined(QT_NO_IPV6)
    qt_sockaddr_in6 a6;
    if ( initialized >= 0x20 && host.isIPv6Address() ) {
	memset( &a6, 0, sizeof(a6) );
	a6.sin6_family = AF_INET6;
	a6.sin6_port = htons( port );

	Q_IPV6ADDR tmp = host.toIPv6Address();
	memcpy( &a6.sin6_addr.qt_s6_addr, &tmp, sizeof(tmp) );
	slen = sizeof( a6 );
	aa = (struct sockaddr *)&a6;
    } else
#endif
    if ( host.isIPv4Address() ) {

	memset( &a4, 0, sizeof(a4) );
	a4.sin_family = AF_INET;
	a4.sin_port = htons( port );
	a4.sin_addr.s_addr = htonl( host.toIPv4Address() );
	slen = sizeof(a4);
	aa = (struct sockaddr *)&a4;
    } else {
	e = Impossible;
	return -1;
    }

    // we'd use MSG_DONTWAIT + MSG_NOSIGNAL if Stevens were right.
    // but apparently Stevens and most implementors disagree
    bool done = false;
    qint64 r = 0;
    while ( !done ) {
	r = ::sendto( fd, data, len, 0, aa, slen );
	done = true;
	if ( r == SOCKET_ERROR && e == NoError ) {//&& e != EAGAIN ) {
	    switch( WSAGetLastError() ) {
		case WSANOTINITIALISED:
		    e = Impossible;
		    break;
		case WSAENETDOWN:
		case WSAEACCES:
		case WSAENETRESET:
		case WSAESHUTDOWN:
		case WSAEHOSTUNREACH:
		case WSAECONNABORTED:
		case WSAECONNRESET:
		case WSAEADDRNOTAVAIL:
		case WSAENETUNREACH:
		case WSAETIMEDOUT:
		    e = NetworkFailure;
		    break;
		case WSAEINTR:
		    done = false;
		    break;
		case WSAEINPROGRESS:
		    e = NoResources;
		    // ### perhaps try it later?
		    break;
		case WSAEFAULT:
		case WSAEOPNOTSUPP:
		case WSAEAFNOSUPPORT:
		    e = InternalError;
		    break;
		case WSAENOBUFS:
//.........这里部分代码省略.........
开发者ID:RS102839，项目名称:qt，代码行数:101，代码来源:q3socketdevice_win.cpp

示例3: sizeof

bool Q3SocketDevice::bind( const QHostAddress &address, quint16 port )
{
    if ( !isValid() )
	return false;
    int r;
    struct sockaddr_in a4;
#if !defined(QT_NO_IPV6)
    qt_sockaddr_in6 a6;

    if ( initialized >= 0x20 && address.isIPv6Address() ) {
	memset( &a6, 0, sizeof(a6) );
	a6.sin6_family = AF_INET6;
	a6.sin6_port = htons( port );
	Q_IPV6ADDR tmp = address.toIPv6Address();
	memcpy( &a6.sin6_addr.qt_s6_addr, &tmp, sizeof(tmp) );

	r = ::bind( fd, (struct sockaddr *)&a6, sizeof(struct qt_sockaddr_storage) );
    } else
#endif
    if ( address.isIPv4Address() ) {
	memset( &a4, 0, sizeof(a4) );
	a4.sin_family = AF_INET;
	a4.sin_port = htons( port );
	a4.sin_addr.s_addr = htonl( address.toIPv4Address() );

	r = ::bind( fd, (struct sockaddr*)&a4, sizeof(struct sockaddr_in) );
    } else {
	e = Impossible;
	return false;
    }

    if ( r == SOCKET_ERROR ) {
	switch( WSAGetLastError() ) {
	    case WSANOTINITIALISED:
		e = Impossible;
		break;
	    case WSAENETDOWN:
		e = NetworkFailure;
		break;
	    case WSAEACCES:
		e = Inaccessible;
		break;
	    case WSAEADDRNOTAVAIL:
		e = Inaccessible;
		break;
	    case WSAEFAULT:
		e = InternalError;
		break;
	    case WSAEINPROGRESS:
	    case WSAENOBUFS:
		e = NoResources;
		break;
	    case WSAEADDRINUSE:
	    case WSAEINVAL:
		e = AlreadyBound;
		break;
	    case WSAENOTSOCK:
		e = Impossible;
		break;
	    default:
		e = UnknownError;
		break;
	}
	return false;
    }
    fetchConnectionParameters();
    return true;
}
开发者ID:RS102839，项目名称:qt，代码行数:68，代码来源:q3socketdevice_win.cpp

示例4: memset

bool Q3SocketDevice::connect( const QHostAddress &addr, quint16 port )
{
    if ( !isValid() )
	return false;

    pa = addr;
    pp = port;

    struct sockaddr_in a4;
    struct sockaddr *aa;
    SOCKLEN_T aalen;

#if !defined(QT_NO_IPV6)
    qt_sockaddr_in6 a6;

    if ( initialized >= 0x20 && addr.isIPv6Address() ) {
        memset(&a6, 0, sizeof(a6));
	a6.sin6_family = AF_INET6;
	a6.sin6_port = htons( port );
	Q_IPV6ADDR ip6 = addr.toIPv6Address();
	memcpy( &a6.sin6_addr.qt_s6_addr, &ip6, sizeof(ip6) );

	aalen = sizeof( a6 );
	aa = (struct sockaddr *)&a6;
    } else
#endif
    if ( addr.isIPv4Address() ) {
	memset(&a4, 0, sizeof(a4));
	a4.sin_family = AF_INET;
	a4.sin_port = htons(port);
	a4.sin_addr.s_addr = htonl(addr.toIPv4Address());

	aalen = sizeof(a4);
	aa = (struct sockaddr *)&a4;
    } else {
	e = Impossible;
	return false;
    }

    int r = ::connect( fd, aa, aalen );

    if ( r == SOCKET_ERROR )
    {
	switch( WSAGetLastError() ) {
	    case WSANOTINITIALISED:
		e = Impossible;
		break;
	    case WSAENETDOWN:
		e = NetworkFailure;
		break;
	    case WSAEADDRINUSE:
	    case WSAEINPROGRESS:
	    case WSAENOBUFS:
		e = NoResources;
		break;
	    case WSAEINTR:
		e = UnknownError; // ### ?
		break;
	    case WSAEALREADY:
		// ### ?
		break;
	    case WSAEADDRNOTAVAIL:
		e = ConnectionRefused; // ### ?
		break;
	    case WSAEAFNOSUPPORT:
	    case WSAEFAULT:
		e = InternalError;
		break;
	    case WSAEINVAL:
		break;
	    case WSAECONNREFUSED:
		e = ConnectionRefused;
		break;
	    case WSAEISCONN:
		goto successful;
	    case WSAENETUNREACH:
	    case WSAETIMEDOUT:
		e = NetworkFailure;
		break;
	    case WSAENOTSOCK:
		e = Impossible;
		break;
	    case WSAEWOULDBLOCK:
		break;
	    case WSAEACCES:
		e = Inaccessible;
		break;
	    case 10107:
		// Workaround for a problem with the WinSock Proxy Server. See
		// also support/arc-12/25557 for details on the problem.
		goto successful;
	    default:
		e = UnknownError;
		break;
	}
	return false;
    }
successful:
    fetchConnectionParameters();
    return true;
//.........这里部分代码省略.........
开发者ID:RS102839，项目名称:qt，代码行数:101，代码来源:q3socketdevice_win.cpp

示例5: defined

Q_LONG Q3SocketDevice::writeBlock( const char * data, Q_ULONG len,
			       const QHostAddress & host, Q_UINT16 port )
{
    if ( t != Datagram ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Not datagram" );
#endif
	return -1; // for now - later we can do t/tcp
    }

    if ( data == 0 && len != 0 ) {
#if defined(QT_CHECK_NULL) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Null pointer error" );
#endif
	return -1;
    }
    if ( !isValid() ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Invalid socket" );
#endif
	return -1;
    }
    if ( !isOpen() ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Device is not open" );
#endif
	return -1;
    }
    if ( !isWritable() ) {
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
	qWarning( "Q3SocketDevice::sendBlock: Write operation not permitted" );
#endif
	return -1;
    }
    struct sockaddr_in a4;
    struct sockaddr *aa;
    QT_SOCKLEN_T slen;
#if !defined(QT_NO_IPV6)
    struct sockaddr_in6 a6;
    if ( host.isIPv6Address() ) {
	memset( &a6, 0, sizeof(a6) );
	a6.sin6_family = AF_INET6;
	a6.sin6_port = htons( port );

	Q_IPV6ADDR tmp = host.toIPv6Address();
	memcpy( &a6.sin6_addr.s6_addr, &tmp, sizeof(tmp) );
	slen = sizeof( a6 );
	aa = (struct sockaddr *)&a6;
    } else
#endif
    if ( host.isIPv4Address() ) {
	memset( &a4, 0, sizeof(a4) );
	a4.sin_family = AF_INET;
	a4.sin_port = htons( port );
	a4.sin_addr.s_addr = htonl( host.toIPv4Address() );
	slen = sizeof(a4);
	aa = (struct sockaddr *)&a4;
    } else {
	e = Impossible;
	return -1;
    }

    // we'd use MSG_DONTWAIT + MSG_NOSIGNAL if Stevens were right.
    // but apparently Stevens and most implementors disagree
    bool done = false;
    int r = 0;
    while ( !done ) {
	r = ::sendto( fd, data, len, 0, aa, slen);
	done = true;
	if ( r < 0 && e == NoError &&
	     errno != EAGAIN && errno != EWOULDBLOCK ) {
	    switch( errno ) {
	    case EINTR: // signal - call read() or whatever again
		done = false;
		break;
	    case ENOSPC:
	    case EPIPE:
	    case EIO:
	    case EISDIR:
	    case EBADF:
	    case EINVAL:
	    case EFAULT:
	    case ENOTCONN:
	    case ENOTSOCK:
		e = Impossible;
		break;
#if defined(ENONET)
	    case ENONET:
#endif
	    case EHOSTUNREACH:
	    case ENETDOWN:
	    case ENETUNREACH:
	    case ETIMEDOUT:
		e = NetworkFailure;
		break;
	    default:
		e = UnknownError;
		break;
	    }
	}
//.........这里部分代码省略.........
开发者ID:Akheon23，项目名称:chromecast-mirrored-source.vendor，代码行数:101，代码来源:q3socketdevice_unix.cpp


注：本文中的QHostAddress::isIPv6Address方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。