本文整理汇总了C++中QHostAddress::scopeId方法的典型用法代码示例。如果您正苦于以下问题：C++ QHostAddress::scopeId方法的具体用法？C++ QHostAddress::scopeId怎么用？C++ QHostAddress::scopeId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::scopeId方法的4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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: memset
/*! \internal
Sets the port and address to a sockaddr. Requires that sa point to the IPv6 struct if the address is IPv6.
*/
static inline void qt_socket_setPortAndAddress(SOCKET socketDescriptor, sockaddr_in * sockAddrIPv4, qt_sockaddr_in6 * sockAddrIPv6,
quint16 port, const QHostAddress & address, sockaddr ** sockAddrPtr, QT_SOCKLEN_T *sockAddrSize)
{
#if !defined(QT_NO_IPV6)
if (address.protocol() == QAbstractSocket::IPv6Protocol) {
memset(sockAddrIPv6, 0, sizeof(qt_sockaddr_in6));
sockAddrIPv6->sin6_family = AF_INET6;
sockAddrIPv6->sin6_scope_id = address.scopeId().toInt();
WSAHtons(socketDescriptor, port, &(sockAddrIPv6->sin6_port));
Q_IPV6ADDR tmp = address.toIPv6Address();
memcpy(&(sockAddrIPv6->sin6_addr.qt_s6_addr), &tmp, sizeof(tmp));
*sockAddrSize = sizeof(qt_sockaddr_in6);
*sockAddrPtr = (struct sockaddr *) sockAddrIPv6;
} else
#endif
if (address.protocol() == QAbstractSocket::IPv4Protocol
|| address.protocol() == QAbstractSocket::UnknownNetworkLayerProtocol) {
memset(sockAddrIPv4, 0, sizeof(sockaddr_in));
sockAddrIPv4->sin_family = AF_INET;
WSAHtons(socketDescriptor, port, &(sockAddrIPv4->sin_port));
WSAHtonl(socketDescriptor, address.toIPv4Address(), &(sockAddrIPv4->sin_addr.s_addr));
*sockAddrSize = sizeof(sockaddr_in);
*sockAddrPtr = (struct sockaddr *) sockAddrIPv4;
} else {
// unreachable
}
}示例2: nativeSendDatagram
qint64 QNativeSocketEnginePrivate::nativeSendDatagram(const char *data, qint64 len,
const QHostAddress &host, quint16 port)
{
struct sockaddr_in sockAddrIPv4;
struct sockaddr *sockAddrPtr = 0;
QT_SOCKLEN_T sockAddrSize = 0;
#if !defined(QT_NO_IPV6)
struct sockaddr_in6 sockAddrIPv6;
if (host.protocol() == QAbstractSocket::IPv6Protocol) {
memset(&sockAddrIPv6, 0, sizeof(sockAddrIPv6));
sockAddrIPv6.sin6_family = AF_INET6;
sockAddrIPv6.sin6_port = htons(port);
Q_IPV6ADDR tmp = host.toIPv6Address();
memcpy(&sockAddrIPv6.sin6_addr.s6_addr, &tmp, sizeof(tmp));
QString scopeid = host.scopeId();
bool ok;
sockAddrIPv6.sin6_scope_id = scopeid.toInt(&ok);
#ifndef QT_NO_IPV6IFNAME
if (!ok)
sockAddrIPv6.sin6_scope_id = ::if_nametoindex(scopeid.toLatin1());
#endif
sockAddrSize = sizeof(sockAddrIPv6);
sockAddrPtr = (struct sockaddr *)&sockAddrIPv6;
} else
#endif
if (host.protocol() == QAbstractSocket::IPv4Protocol) {
memset(&sockAddrIPv4, 0, sizeof(sockAddrIPv4));
sockAddrIPv4.sin_family = AF_INET;
sockAddrIPv4.sin_port = htons(port);
sockAddrIPv4.sin_addr.s_addr = htonl(host.toIPv4Address());
sockAddrSize = sizeof(sockAddrIPv4);
sockAddrPtr = (struct sockaddr *)&sockAddrIPv4;
}
// ignore the SIGPIPE signal
qt_ignore_sigpipe();
ssize_t sentBytes = qt_safe_sendto(socketDescriptor, data, len,
0, sockAddrPtr, sockAddrSize);
if (sentBytes < 0) {
switch (errno) {
case EMSGSIZE:
setError(QAbstractSocket::DatagramTooLargeError, DatagramTooLargeErrorString);
break;
default:
setError(QAbstractSocket::NetworkError, SendDatagramErrorString);
}
}
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEngine::sendDatagram(%p \"%s\", %lli, \"%s\", %i) == %lli", data,
qt_prettyDebug(data, qMin<int>(len, 16), len).data(), len, host.toString().toLatin1().constData(),
port, (qint64) sentBytes);
#endif
return qint64(sentBytes);
}示例3: contains
static bool contains(QNetworkAddressEntry host, QHostAddress addr)
{
#if !defined(QT_NO_IPV6)
if (addr.protocol() == QAbstractSocket::IPv6Protocol &&
addr.isInSubnet(kLinkLocal6) &&
host.ip().scopeId() != addr.scopeId())
{
return false;
}
#endif
return addr.isInSubnet(host.ip(), host.prefixLength());
}示例4: externalAddress
QUrl TcpServerDevice::externalAddress() const
{
const QHostAddress address(m_server->serverAddress());
QString myHost;
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
if (address == QHostAddress::LocalHost || address == QHostAddress::LocalHostIPv6) {
#else
if (address.isLoopback()) {
#endif
myHost = address.toString();
} else {
foreach (const QNetworkInterface &inter, QNetworkInterface::allInterfaces()) {
if (!(inter.flags() & QNetworkInterface::IsUp)
|| !(inter.flags() & QNetworkInterface::IsRunning)
|| (inter.flags() & QNetworkInterface::IsLoopBack))
continue;
foreach (const QNetworkAddressEntry &addrEntry, inter.addressEntries()) {
const QHostAddress addr = addrEntry.ip();
// Return the ip according to the listening server protocol.
if (addr.protocol() != m_server->serverAddress().protocol()
|| !addr.scopeId().isEmpty())
continue;
myHost = addr.toString();
break;
}
if (!myHost.isEmpty())
break;
}
}
// if localhost is all we got, use that rather than nothing
if (myHost.isEmpty()) {
switch (m_server->serverAddress().protocol()) {
case QAbstractSocket::IPv4Protocol:
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
case QAbstractSocket::AnyIPProtocol:
#endif
myHost = QHostAddress(QHostAddress::LocalHost).toString();
break;
case QAbstractSocket::IPv6Protocol:
myHost = QHostAddress(QHostAddress::LocalHostIPv6).toString();
break;
case QAbstractSocket::UnknownNetworkLayerProtocol:
Q_ASSERT_X(false, "TcpServerDevice::externalAddress", "unknown TCP protocol");
break;
}
}
QUrl url;
url.setScheme(QStringLiteral("tcp"));
url.setHost(myHost);
url.setPort(m_server->serverPort());
return url;
}
void TcpServerDevice::broadcast(const QByteArray &data)
{
const QHostAddress address = m_server->serverAddress();
// broadcast announcement only if we are actually listinging to remote connections
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
if (address == QHostAddress::LocalHost || address == QHostAddress::LocalHostIPv6)
#else
if (address.isLoopback())
#endif
return;
m_broadcastSocket->writeDatagram(data.data(),
data.size(), QHostAddress::Broadcast, Server::broadcastPort());
}