/*
Sets the socket option \a opt to \a v.
*/
bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt, int v)
{
Q_Q(QNativeSocketEngine);
if (!q->isValid())
return false;
// handle non-setsockopt cases first
switch (opt) {
case QNativeSocketEngine::NonBlockingSocketOption: {
// Make the socket nonblocking.
#if !defined(Q_OS_VXWORKS)
int flags = ::fcntl(socketDescriptor, F_GETFL, 0);
if (flags == -1) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): fcntl(F_GETFL) failed");
#endif
return false;
}
if (::fcntl(socketDescriptor, F_SETFL, flags | O_NONBLOCK) == -1) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): fcntl(F_SETFL) failed");
#endif
return false;
}
#else // Q_OS_VXWORKS
int onoff = 1;
if (qt_safe_ioctl(socketDescriptor, FIONBIO, &onoff) < 0) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): ioctl(FIONBIO, 1) failed");
#endif
return false;
}
#endif // Q_OS_VXWORKS
return true;
}
case QNativeSocketEngine::BindExclusively:
return true;
default:
break;
}
int n, level;
convertToLevelAndOption(opt, socketProtocol, level, n);
#if defined(SO_REUSEPORT) && !defined(Q_OS_LINUX)
if (opt == QNativeSocketEngine::AddressReusable) {
// on OS X, SO_REUSEADDR isn't sufficient to allow multiple binds to the
// same port (which is useful for multicast UDP). SO_REUSEPORT is, but
// we most definitely do not want to use this for TCP. See QTBUG-6305.
if (socketType == QAbstractSocket::UdpSocket)
n = SO_REUSEPORT;
}
#endif
return ::setsockopt(socketDescriptor, level, n, (char *) &v, sizeof(v)) == 0;
}
static QList<QNetworkInterfacePrivate *> interfaceListing()
{
QList<QNetworkInterfacePrivate *> interfaces;
int socket;
if ((socket = qt_safe_socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) == -1)
return interfaces; // error
QSet<QByteArray> names = interfaceNames(socket);
QSet<QByteArray>::ConstIterator it = names.constBegin();
for ( ; it != names.constEnd(); ++it) {
ifreq req;
memset(&req, 0, sizeof(ifreq));
memcpy(req.ifr_name, *it, qMin<int>(it->length() + 1, sizeof(req.ifr_name) - 1));
QNetworkInterfacePrivate *iface = findInterface(socket, interfaces, req);
// Get the interface broadcast address
QNetworkAddressEntry entry;
if (iface->flags & QNetworkInterface::CanBroadcast) {
if (qt_safe_ioctl(socket, SIOCGIFBRDADDR, &req) >= 0) {
sockaddr *sa = &req.ifr_addr;
if (sa->sa_family == AF_INET)
entry.setBroadcast(addressFromSockaddr(sa));
}
}
// Get the interface netmask
if (qt_safe_ioctl(socket, SIOCGIFNETMASK, &req) >= 0) {
sockaddr *sa = &req.ifr_addr;
entry.setNetmask(addressFromSockaddr(sa));
}
// Get the address of the interface
if (qt_safe_ioctl(socket, SIOCGIFADDR, &req) >= 0) {
sockaddr *sa = &req.ifr_addr;
entry.setIp(addressFromSockaddr(sa));
}
iface->addressEntries << entry;
}
::close(socket);
return interfaces;
}
qint64 QNativeSocketEnginePrivate::nativeBytesAvailable() const
{
int nbytes = 0;
// gives shorter than true amounts on Unix domain sockets.
qint64 available = 0;
if (qt_safe_ioctl(socketDescriptor, FIONREAD, (char *) &nbytes) >= 0)
available = (qint64) nbytes;
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeBytesAvailable() == %lli", available);
#endif
return available;
}
static QSet<QByteArray> interfaceNames(int socket)
{
QSet<QByteArray> result;
#ifdef QT_NO_IPV6IFNAME
QByteArray storageBuffer;
struct ifconf interfaceList;
forever {
// grow the storage buffer
storageBuffer.resize(storageBuffer.size() + STORAGEBUFFER_GROWTH);
interfaceList.ifc_buf = storageBuffer.data();
interfaceList.ifc_len = storageBuffer.size();
// get the interface list
if (qt_safe_ioctl(socket, SIOCGIFCONF, &interfaceList) >= 0) {
if (int(interfaceList.ifc_len + sizeof(ifreq) + 64) < storageBuffer.size()) {
// if the buffer was big enough, break
storageBuffer.resize(interfaceList.ifc_len);
break;
}
} else {
// internal error
return result;
}
if (storageBuffer.size() > 100000) {
// out of space
return result;
}
}
int interfaceCount = interfaceList.ifc_len / sizeof(ifreq);
for (int i = 0; i < interfaceCount; ++i) {
QByteArray name = QByteArray(interfaceList.ifc_req[i].ifr_name);
if (!name.isEmpty())
result << name;
}
return result;
#else
Q_UNUSED(socket);
// use if_nameindex
struct if_nameindex *interfaceList = ::if_nameindex();
for (struct if_nameindex *ptr = interfaceList; ptr && ptr->if_name; ++ptr)
result << ptr->if_name;
if_freenameindex(interfaceList);
return result;
#endif
}
qint64 QNativeSocketEnginePrivate::nativeBytesAvailable() const
{
int nbytes = 0;
// gives shorter than true amounts on Unix domain sockets.
qint64 available = -1;
#if defined (SO_NREAD)
if (socketType == QAbstractSocket::UdpSocket) {
socklen_t sz = sizeof nbytes;
if (!::getsockopt(socketDescriptor, SOL_SOCKET, SO_NREAD, &nbytes, &sz))
available = nbytes;
}
#endif
if (available == -1 && qt_safe_ioctl(socketDescriptor, FIONREAD, (char *) &nbytes) >= 0)
available = nbytes;
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeBytesAvailable() == %lli", available);
#endif
return available > 0 ? available : 0;
}
static QNetworkInterfacePrivate *findInterface(int socket, QList<QNetworkInterfacePrivate *> &interfaces,
struct ifreq &req)
{
QNetworkInterfacePrivate *iface = 0;
int ifindex = 0;
#ifndef QT_NO_IPV6IFNAME
// Get the interface index
ifindex = if_nametoindex(req.ifr_name);
// find the interface data
QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
for ( ; if_it != interfaces.end(); ++if_it)
if ((*if_it)->index == ifindex) {
// existing interface
iface = *if_it;
break;
}
#else
// Search by name
QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
for ( ; if_it != interfaces.end(); ++if_it)
if ((*if_it)->name == QLatin1String(req.ifr_name)) {
// existing interface
iface = *if_it;
break;
}
#endif
if (!iface) {
// new interface, create data:
iface = new QNetworkInterfacePrivate;
iface->index = ifindex;
interfaces << iface;
#ifdef SIOCGIFNAME
// Get the canonical name
QByteArray oldName = req.ifr_name;
if (qt_safe_ioctl(socket, SIOCGIFNAME, &req) >= 0) {
iface->name = QString::fromLatin1(req.ifr_name);
// reset the name:
memcpy(req.ifr_name, oldName, qMin<int>(oldName.length() + 1, sizeof(req.ifr_name) - 1));
} else
#endif
{
// use this name anyways
iface->name = QString::fromLatin1(req.ifr_name);
}
// Get interface flags
if (qt_safe_ioctl(socket, SIOCGIFFLAGS, &req) >= 0) {
iface->flags = convertFlags(req.ifr_flags);
}
#ifdef SIOCGIFHWADDR
// Get the HW address
if (qt_safe_ioctl(socket, SIOCGIFHWADDR, &req) >= 0) {
uchar *addr = (uchar *)req.ifr_addr.sa_data;
iface->hardwareAddress = iface->makeHwAddress(6, addr);
}
#endif
}
return iface;
}
/*
Sets the socket option \a opt to \a v.
*/
bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt, int v)
{
Q_Q(QNativeSocketEngine);
if (!q->isValid())
return false;
int n = 0;
int level = SOL_SOCKET; // default
switch (opt) {
case QNativeSocketEngine::ReceiveBufferSocketOption:
n = SO_RCVBUF;
break;
case QNativeSocketEngine::SendBufferSocketOption:
n = SO_SNDBUF;
break;
case QNativeSocketEngine::BroadcastSocketOption:
n = SO_BROADCAST;
break;
case QNativeSocketEngine::NonBlockingSocketOption: {
// Make the socket nonblocking.
#if !defined(Q_OS_VXWORKS)
int flags = ::fcntl(socketDescriptor, F_GETFL, 0);
if (flags == -1) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): fcntl(F_GETFL) failed");
#endif
return false;
}
if (::fcntl(socketDescriptor, F_SETFL, flags | O_NONBLOCK) == -1) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): fcntl(F_SETFL) failed");
#endif
return false;
}
#else // Q_OS_VXWORKS
int onoff = 1;
if (qt_safe_ioctl(socketDescriptor, FIONBIO, &onoff) < 0) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): ioctl(FIONBIO, 1) failed");
#endif
return false;
}
#endif // Q_OS_VXWORKS
return true;
}
case QNativeSocketEngine::AddressReusable:
#if defined(SO_REUSEPORT)
n = SO_REUSEPORT;
#else
n = SO_REUSEADDR;
#endif
break;
case QNativeSocketEngine::BindExclusively:
return true;
case QNativeSocketEngine::ReceiveOutOfBandData:
n = SO_OOBINLINE;
break;
case QNativeSocketEngine::LowDelayOption:
level = IPPROTO_TCP;
n = TCP_NODELAY;
break;
case QNativeSocketEngine::KeepAliveOption:
n = SO_KEEPALIVE;
break;
case QNativeSocketEngine::MulticastTtlOption:
if (socketProtocol == QAbstractSocket::IPv6Protocol) {
level = IPPROTO_IPV6;
n = IPV6_MULTICAST_HOPS;
} else
{
level = IPPROTO_IP;
n = IP_MULTICAST_TTL;
}
break;
case QNativeSocketEngine::MulticastLoopbackOption:
if (socketProtocol == QAbstractSocket::IPv6Protocol) {
level = IPPROTO_IPV6;
n = IPV6_MULTICAST_LOOP;
} else
{
level = IPPROTO_IP;
n = IP_MULTICAST_LOOP;
}
break;
}
return ::setsockopt(socketDescriptor, level, n, (char *) &v, sizeof(v)) == 0;
}
/*
Sets the socket option \a opt to \a v.
*/
bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt, int v)
{
Q_Q(QNativeSocketEngine);
if (!q->isValid())
return false;
int n = 0;
int level = SOL_SOCKET; // default
switch (opt) {
case QNativeSocketEngine::ReceiveBufferSocketOption:
n = SO_RCVBUF;
break;
case QNativeSocketEngine::SendBufferSocketOption:
n = SO_SNDBUF;
break;
case QNativeSocketEngine::BroadcastSocketOption:
n = SO_BROADCAST;
break;
case QNativeSocketEngine::NonBlockingSocketOption: {
// Make the socket nonblocking.
#if !defined(Q_OS_VXWORKS)
int flags = ::fcntl(socketDescriptor, F_GETFL, 0);
if (flags == -1) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): fcntl(F_GETFL) failed");
#endif
return false;
}
if (::fcntl(socketDescriptor, F_SETFL, flags | O_NONBLOCK) == -1) {
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): fcntl(F_SETFL) failed");
#endif
return false;
}
#else // Q_OS_VXWORKS
int onoff = 1;
#ifdef Q_OS_SYMBIAN
if (::ioctl(socketDescriptor, FIONBIO, &onoff) < 0) {
#else
if (qt_safe_ioctl(socketDescriptor, FIONBIO, &onoff) < 0) {
#endif
#ifdef QNATIVESOCKETENGINE_DEBUG
perror("QNativeSocketEnginePrivate::setOption(): ioctl(FIONBIO, 1) failed");
#endif
return false;
}
#endif // Q_OS_VXWORKS
return true;
}
case QNativeSocketEngine::AddressReusable:
#if defined(SO_REUSEPORT) && !defined(Q_OS_SYMBIAN)
n = SO_REUSEPORT;
#else
n = SO_REUSEADDR;
#endif
break;
case QNativeSocketEngine::BindExclusively:
return true;
case QNativeSocketEngine::ReceiveOutOfBandData:
n = SO_OOBINLINE;
break;
case QNativeSocketEngine::LowDelayOption:
level = IPPROTO_TCP;
n = TCP_NODELAY;
break;
case QNativeSocketEngine::KeepAliveOption:
n = SO_KEEPALIVE;
break;
}
return ::setsockopt(socketDescriptor, level, n, (char *) &v, sizeof(v)) == 0;
}
bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &addr, quint16 port)
{
#ifdef QNATIVESOCKETENGINE_DEBUG
qDebug("QNativeSocketEnginePrivate::nativeConnect() : %d ", socketDescriptor);
#endif
struct sockaddr_in sockAddrIPv4;
struct sockaddr *sockAddrPtr = 0;
QT_SOCKLEN_T sockAddrSize = 0;
#if !defined(QT_NO_IPV6)
struct sockaddr_in6 sockAddrIPv6;
if (addr.protocol() == QAbstractSocket::IPv6Protocol) {
memset(&sockAddrIPv6, 0, sizeof(sockAddrIPv6));
sockAddrIPv6.sin6_family = AF_INET6;
sockAddrIPv6.sin6_port = htons(port);
#ifndef QT_NO_IPV6IFNAME
sockAddrIPv6.sin6_scope_id = ::if_nametoindex(addr.scopeId().toLatin1().data());
#else
sockAddrIPv6.sin6_scope_id = addr.scopeId().toInt();
#endif
Q_IPV6ADDR ip6 = addr.toIPv6Address();
memcpy(&sockAddrIPv6.sin6_addr.s6_addr, &ip6, sizeof(ip6));
sockAddrSize = sizeof(sockAddrIPv6);
sockAddrPtr = (struct sockaddr *) &sockAddrIPv6;
} else
#if 0
{}
#endif
#endif
if (addr.protocol() == QAbstractSocket::IPv4Protocol) {
memset(&sockAddrIPv4, 0, sizeof(sockAddrIPv4));
sockAddrIPv4.sin_family = AF_INET;
sockAddrIPv4.sin_port = htons(port);
sockAddrIPv4.sin_addr.s_addr = htonl(addr.toIPv4Address());
sockAddrSize = sizeof(sockAddrIPv4);
sockAddrPtr = (struct sockaddr *) &sockAddrIPv4;
} else {
// unreachable
}
#ifdef Q_OS_SYMBIAN
int connectResult = ::connect(socketDescriptor, sockAddrPtr, sockAddrSize);
#else
int connectResult = qt_safe_connect(socketDescriptor, sockAddrPtr, sockAddrSize);
#endif
if (connectResult == -1) {
switch (errno) {
case EISCONN:
socketState = QAbstractSocket::ConnectedState;
break;
case ECONNREFUSED:
case EINVAL:
setError(QAbstractSocket::ConnectionRefusedError, ConnectionRefusedErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case ETIMEDOUT:
setError(QAbstractSocket::NetworkError, ConnectionTimeOutErrorString);
break;
case EHOSTUNREACH:
setError(QAbstractSocket::NetworkError, HostUnreachableErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case ENETUNREACH:
setError(QAbstractSocket::NetworkError, NetworkUnreachableErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case EADDRINUSE:
setError(QAbstractSocket::NetworkError, AddressInuseErrorString);
break;
case EINPROGRESS:
case EALREADY:
setError(QAbstractSocket::UnfinishedSocketOperationError, InvalidSocketErrorString);
socketState = QAbstractSocket::ConnectingState;
break;
case EAGAIN:
setError(QAbstractSocket::UnfinishedSocketOperationError, InvalidSocketErrorString);
setError(QAbstractSocket::SocketResourceError, ResourceErrorString);
break;
case EACCES:
case EPERM:
setError(QAbstractSocket::SocketAccessError, AccessErrorString);
socketState = QAbstractSocket::UnconnectedState;
break;
case EAFNOSUPPORT:
case EBADF:
case EFAULT:
case ENOTSOCK:
socketState = QAbstractSocket::UnconnectedState;
default:
break;
}
if (socketState != QAbstractSocket::ConnectedState) {
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeConnect(%s, %i) == false (%s)",
addr.toString().toLatin1().constData(), port,
socketState == QAbstractSocket::ConnectingState
? "Connection in progress" : socketErrorString.toLatin1().constData());
#endif
return false;
}
}
#if defined (QNATIVESOCKETENGINE_DEBUG)
qDebug("QNativeSocketEnginePrivate::nativeConnect(%s, %i) == true",
addr.toString().toLatin1().constData(), port);
#endif
socketState = QAbstractSocket::ConnectedState;
return true;
}
