diff options
Diffstat (limited to 'src/network/socket/qnativesocketengine_win.cpp')
| -rw-r--r-- | src/network/socket/qnativesocketengine_win.cpp | 221 |
1 files changed, 220 insertions, 1 deletions
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp index 477ef45b12..f952cee574 100644 --- a/src/network/socket/qnativesocketengine_win.cpp +++ b/src/network/socket/qnativesocketengine_win.cpp @@ -40,6 +40,7 @@ ****************************************************************************/ #include <winsock2.h> +#include <ws2tcpip.h> #include "qnativesocketengine_p.h" @@ -47,6 +48,7 @@ #include <qsocketnotifier.h> #include <qdebug.h> #include <qdatetime.h> +#include <qnetworkinterface.h> //#define QNATIVESOCKETENGINE_DEBUG #if defined(QNATIVESOCKETENGINE_DEBUG) @@ -399,6 +401,30 @@ int QNativeSocketEnginePrivate::option(QNativeSocketEngine::SocketOption opt) co case QNativeSocketEngine::KeepAliveOption: n = SO_KEEPALIVE; break; + case QNativeSocketEngine::MulticastTtlOption: +#ifndef QT_NO_IPV6 + if (socketProtocol == QAbstractSocket::IPv6Protocol) { + level = IPPROTO_IPV6; + n = IPV6_MULTICAST_HOPS; + } else +#endif + { + level = IPPROTO_IP; + n = IP_MULTICAST_TTL; + } + break; + case QNativeSocketEngine::MulticastLoopbackOption: +#ifndef QT_NO_IPV6 + if (socketProtocol == QAbstractSocket::IPv6Protocol) { + level = IPPROTO_IPV6; + n = IPV6_MULTICAST_LOOP; + } else +#endif + { + level = IPPROTO_IP; + n = IP_MULTICAST_LOOP; + } + break; } int v = -1; @@ -459,6 +485,30 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt case QNativeSocketEngine::KeepAliveOption: n = SO_KEEPALIVE; break; + case QNativeSocketEngine::MulticastTtlOption: +#ifndef QT_NO_IPV6 + if (socketProtocol == QAbstractSocket::IPv6Protocol) { + level = IPPROTO_IPV6; + n = IPV6_MULTICAST_HOPS; + } else +#endif + { + level = IPPROTO_IP; + n = IP_MULTICAST_TTL; + } + break; + case QNativeSocketEngine::MulticastLoopbackOption: +#ifndef QT_NO_IPV6 + if (socketProtocol == QAbstractSocket::IPv6Protocol) { + level = IPPROTO_IPV6; + n = IPV6_MULTICAST_LOOP; + } else +#endif + { + level = IPPROTO_IP; + n = IP_MULTICAST_LOOP; + } + break; } if (::setsockopt(socketDescriptor, level, n, (char*)&v, sizeof(v)) != 0) { @@ -648,8 +698,24 @@ bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &address, quin } -bool QNativeSocketEnginePrivate::nativeBind(const QHostAddress &address, quint16 port) +bool QNativeSocketEnginePrivate::nativeBind(const QHostAddress &a, quint16 port) { + QHostAddress address = a; + switch (address.protocol()) { + case QAbstractSocket::IPv6Protocol: + if (address.toIPv6Address()[0] == 0xff) { + // binding to a multicast address + address = QHostAddress(QHostAddress::AnyIPv6); + } + break; + case QAbstractSocket::IPv4Protocol: + if ((address.toIPv4Address() & 0xffff0000) == 0xefff0000) { + // binding to a multicast address + address = QHostAddress(QHostAddress::Any); + } + break; + } + struct sockaddr_in sockAddrIPv4; qt_sockaddr_in6 sockAddrIPv6; struct sockaddr *sockAddrPtr = 0; @@ -747,6 +813,159 @@ int QNativeSocketEnginePrivate::nativeAccept() return acceptedDescriptor; } +static bool multicastMembershipHelper(QNativeSocketEnginePrivate *d, + int how6, + int how4, + const QHostAddress &groupAddress, + const QNetworkInterface &iface) +{ + int level = 0; + int sockOpt = 0; + char *sockArg; + int sockArgSize; + + struct ip_mreq mreq4; +#ifndef QT_NO_IPV6 + struct ipv6_mreq mreq6; + + if (groupAddress.protocol() == QAbstractSocket::IPv6Protocol) { + level = IPPROTO_IPV6; + sockOpt = how6; + sockArg = reinterpret_cast<char *>(&mreq6); + sockArgSize = sizeof(mreq6); + memset(&mreq6, 0, sizeof(mreq6)); + Q_IPV6ADDR ip6 = groupAddress.toIPv6Address(); + memcpy(&mreq6.ipv6mr_multiaddr, &ip6, sizeof(ip6)); + mreq6.ipv6mr_interface = iface.index(); + } else +#endif + if (groupAddress.protocol() == QAbstractSocket::IPv4Protocol) { + level = IPPROTO_IP; + sockOpt = how4; + sockArg = reinterpret_cast<char *>(&mreq4); + sockArgSize = sizeof(mreq4); + memset(&mreq4, 0, sizeof(mreq4)); + mreq4.imr_multiaddr.s_addr = htonl(groupAddress.toIPv4Address()); + + if (iface.isValid()) { + QList<QNetworkAddressEntry> addressEntries = iface.addressEntries(); + if (!addressEntries.isEmpty()) { + QHostAddress firstIP = addressEntries.first().ip(); + mreq4.imr_interface.s_addr = htonl(firstIP.toIPv4Address()); + } else { + d->setError(QAbstractSocket::NetworkError, + QNativeSocketEnginePrivate::NetworkUnreachableErrorString); + return false; + } + } else { + mreq4.imr_interface.s_addr = INADDR_ANY; + } + } else { + // unreachable + d->setError(QAbstractSocket::UnsupportedSocketOperationError, + QNativeSocketEnginePrivate::ProtocolUnsupportedErrorString); + return false; + } + + int res = setsockopt(d->socketDescriptor, level, sockOpt, sockArg, sockArgSize); + if (res == -1) { + d->setError(QAbstractSocket::UnsupportedSocketOperationError, + QNativeSocketEnginePrivate::OperationUnsupportedErrorString); + return false; + } + return true; +} + +bool QNativeSocketEnginePrivate::nativeJoinMulticastGroup(const QHostAddress &groupAddress, + const QNetworkInterface &iface) +{ + return multicastMembershipHelper(this, +#ifndef QT_NO_IPV6 + IPV6_JOIN_GROUP, +#else + 0, +#endif + IP_ADD_MEMBERSHIP, + groupAddress, + iface); +} + +bool QNativeSocketEnginePrivate::nativeLeaveMulticastGroup(const QHostAddress &groupAddress, + const QNetworkInterface &iface) +{ + return multicastMembershipHelper(this, +#ifndef QT_NO_IPV6 + IPV6_LEAVE_GROUP, +#else + 0, +#endif + IP_DROP_MEMBERSHIP, + groupAddress, + iface); +} + +QNetworkInterface QNativeSocketEnginePrivate::nativeMulticastInterface() const +{ +#ifndef QT_NO_IPV6 + if (socketProtocol == QAbstractSocket::IPv6Protocol) { + uint v; + QT_SOCKOPTLEN_T sizeofv = sizeof(v); + if (::getsockopt(socketDescriptor, IPPROTO_IPV6, IPV6_MULTICAST_IF, (char *) &v, &sizeofv) == -1) + return QNetworkInterface(); + return QNetworkInterface::interfaceFromIndex(v); + } +#endif + + struct in_addr v = { 0 }; + QT_SOCKOPTLEN_T sizeofv = sizeof(v); + if (::getsockopt(socketDescriptor, IPPROTO_IP, IP_MULTICAST_IF, (char *) &v, &sizeofv) == -1) + return QNetworkInterface(); + if (v.s_addr != 0 && sizeofv >= sizeof(v)) { + QHostAddress ipv4(ntohl(v.s_addr)); + QList<QNetworkInterface> ifaces = QNetworkInterface::allInterfaces(); + for (int i = 0; i < ifaces.count(); ++i) { + const QNetworkInterface &iface = ifaces.at(i); + if (!(iface.flags() & QNetworkInterface::CanMulticast)) + continue; + QList<QNetworkAddressEntry> entries = iface.addressEntries(); + for (int j = 0; j < entries.count(); ++j) { + const QNetworkAddressEntry &entry = entries.at(j); + if (entry.ip() == ipv4) + return iface; + } + } + } + return QNetworkInterface(); +} + +bool QNativeSocketEnginePrivate::nativeSetMulticastInterface(const QNetworkInterface &iface) +{ +#ifndef QT_NO_IPV6 + if (socketProtocol == QAbstractSocket::IPv6Protocol) { + uint v = iface.isValid() ? iface.index() : 0; + return (::setsockopt(socketDescriptor, IPPROTO_IPV6, IPV6_MULTICAST_IF, (char *) &v, sizeof(v)) != -1); + } +#endif + + struct in_addr v; + if (iface.isValid()) { + QList<QNetworkAddressEntry> entries = iface.addressEntries(); + for (int i = 0; i < entries.count(); ++i) { + const QNetworkAddressEntry &entry = entries.at(i); + const QHostAddress &ip = entry.ip(); + if (ip.protocol() == QAbstractSocket::IPv4Protocol) { + v.s_addr = htonl(ip.toIPv4Address()); + int r = ::setsockopt(socketDescriptor, IPPROTO_IP, IP_MULTICAST_IF, (char *) &v, sizeof(v)); + if (r != -1) + return true; + } + } + return false; + } + + v.s_addr = INADDR_ANY; + return (::setsockopt(socketDescriptor, IPPROTO_IP, IP_MULTICAST_IF, (char *) &v, sizeof(v)) != -1); +} qint64 QNativeSocketEnginePrivate::nativeBytesAvailable() const { |