diff options
Diffstat (limited to 'src/network/socket/qnativesocketengine_unix.cpp')
| -rw-r--r-- | src/network/socket/qnativesocketengine_unix.cpp | 383 |
1 files changed, 225 insertions, 158 deletions
diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp index 5cf27ce..39570c8 100644 --- a/src/network/socket/qnativesocketengine_unix.cpp +++ b/src/network/socket/qnativesocketengine_unix.cpp @@ -46,6 +46,7 @@ #include "qhostaddress.h" #include "qelapsedtimer.h" #include "qvarlengtharray.h" +#include "qnetworkinterface.h" #include <time.h> #include <errno.h> #include <fcntl.h> @@ -64,12 +65,7 @@ #include <ctype.h> #endif -#ifdef Q_OS_SYMBIAN // ### TODO: Are these headers right? -#include <sys/socket.h> -#include <netinet/in.h> -#else #include <netinet/tcp.h> -#endif QT_BEGIN_NAMESPACE @@ -173,11 +169,8 @@ bool QNativeSocketEnginePrivate::createNewSocket(QAbstractSocket::SocketType soc int protocol = AF_INET; #endif int type = (socketType == QAbstractSocket::UdpSocket) ? SOCK_DGRAM : SOCK_STREAM; -#ifdef Q_OS_SYMBIAN - int socket = ::socket(protocol, type, 0); -#else + int socket = qt_safe_socket(protocol, type, 0); -#endif if (socket <= 0) { switch (errno) { @@ -244,6 +237,30 @@ 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; @@ -295,11 +312,9 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt } #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 @@ -309,7 +324,7 @@ bool QNativeSocketEnginePrivate::setOption(QNativeSocketEngine::SocketOption opt return true; } case QNativeSocketEngine::AddressReusable: -#if defined(SO_REUSEPORT) && !defined(Q_OS_SYMBIAN) +#if defined(SO_REUSEPORT) n = SO_REUSEPORT; #else n = SO_REUSEADDR; @@ -327,6 +342,30 @@ 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; } return ::setsockopt(socketDescriptor, level, n, (char *) &v, sizeof(v)) == 0; @@ -378,11 +417,8 @@ bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &addr, quint16 } 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: @@ -425,9 +461,6 @@ bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &addr, quint16 case EBADF: case EFAULT: case ENOTSOCK: -#ifdef Q_OS_SYMBIAN - case EPIPE: -#endif socketState = QAbstractSocket::UnconnectedState; default: break; @@ -526,11 +559,7 @@ bool QNativeSocketEnginePrivate::nativeBind(const QHostAddress &address, quint16 bool QNativeSocketEnginePrivate::nativeListen(int backlog) { -#ifdef Q_OS_SYMBIAN - if (::listen(socketDescriptor, backlog) < 0) { -#else if (qt_safe_listen(socketDescriptor, backlog) < 0) { -#endif switch (errno) { case EADDRINUSE: setError(QAbstractSocket::AddressInUseError, @@ -557,25 +586,185 @@ bool QNativeSocketEnginePrivate::nativeListen(int backlog) int QNativeSocketEnginePrivate::nativeAccept() { -#ifdef Q_OS_SYMBIAN - int acceptedDescriptor = ::accept(socketDescriptor, 0, 0); -#else int acceptedDescriptor = qt_safe_accept(socketDescriptor, 0, 0); -#endif return acceptedDescriptor; } +#ifndef QT_NO_NETWORKINTERFACE + +static bool multicastMembershipHelper(QNativeSocketEnginePrivate *d, + int how6, + int how4, + const QHostAddress &groupAddress, + const QNetworkInterface &interface) +{ + int level = 0; + int sockOpt = 0; + void *sockArg; + int sockArgSize; + + ip_mreq mreq4; +#ifndef QT_NO_IPV6 + ipv6_mreq mreq6; + + if (groupAddress.protocol() == QAbstractSocket::IPv6Protocol) { + level = IPPROTO_IPV6; + sockOpt = how6; + sockArg = &mreq6; + sockArgSize = sizeof(mreq6); + memset(&mreq6, 0, sizeof(mreq6)); + Q_IPV6ADDR ip6 = groupAddress.toIPv6Address(); + memcpy(&mreq6.ipv6mr_multiaddr, &ip6, sizeof(ip6)); + mreq6.ipv6mr_interface = interface.index(); + } else +#endif + if (groupAddress.protocol() == QAbstractSocket::IPv4Protocol) { + level = IPPROTO_IP; + sockOpt = how4; + sockArg = &mreq4; + sockArgSize = sizeof(mreq4); + memset(&mreq4, 0, sizeof(mreq4)); + mreq4.imr_multiaddr.s_addr = htonl(groupAddress.toIPv4Address()); + + if (interface.isValid()) { + QList<QNetworkAddressEntry> addressEntries = interface.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) { + switch (errno) { + case ENOPROTOOPT: + d->setError(QAbstractSocket::UnsupportedSocketOperationError, + QNativeSocketEnginePrivate::OperationUnsupportedErrorString); + break; + case EADDRNOTAVAIL: + d->setError(QAbstractSocket::SocketAddressNotAvailableError, + QNativeSocketEnginePrivate::AddressNotAvailableErrorString); + break; + default: + d->setError(QAbstractSocket::UnknownSocketError, + QNativeSocketEnginePrivate::UnknownSocketErrorString); + break; + } + return false; + } + return true; +} + +bool QNativeSocketEnginePrivate::nativeJoinMulticastGroup(const QHostAddress &groupAddress, + const QNetworkInterface &interface) +{ + return multicastMembershipHelper(this, +#ifndef QT_NO_IPV6 + IPV6_JOIN_GROUP, +#else + 0, +#endif + IP_ADD_MEMBERSHIP, + groupAddress, + interface); +} + +bool QNativeSocketEnginePrivate::nativeLeaveMulticastGroup(const QHostAddress &groupAddress, + const QNetworkInterface &interface) +{ + return multicastMembershipHelper(this, +#ifndef QT_NO_IPV6 + IPV6_LEAVE_GROUP, +#else + 0, +#endif + IP_DROP_MEMBERSHIP, + groupAddress, + interface); +} + +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, &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, &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); + 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.index(); + return (::setsockopt(socketDescriptor, IPPROTO_IPV6, IPV6_MULTICAST_IF, &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, &v, sizeof(v)); + if (r != -1) + return true; + } + } + return false; + } + + v.s_addr = INADDR_ANY; + return (::setsockopt(socketDescriptor, IPPROTO_IP, IP_MULTICAST_IF, &v, sizeof(v)) != -1); +} + +#endif // QT_NO_NETWORKINTERFACE + qint64 QNativeSocketEnginePrivate::nativeBytesAvailable() const { int nbytes = 0; // gives shorter than true amounts on Unix domain sockets. qint64 available = 0; -#ifdef Q_OS_SYMBIAN - if (::ioctl(socketDescriptor, FIONREAD, (char *) &nbytes) >= 0) -#else if (qt_safe_ioctl(socketDescriptor, FIONREAD, (char *) &nbytes) >= 0) -#endif available = (qint64) nbytes; #if defined (QNATIVESOCKETENGINE_DEBUG) @@ -594,15 +783,10 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const // Peek 0 bytes into the next message. The size of the message may // well be 0, so we can't check recvfrom's return value. ssize_t readBytes; -#ifdef Q_OS_SYMBIAN - char c; - readBytes = ::recvfrom(socketDescriptor, &c, 1, MSG_PEEK, &storage.a, &storageSize); -#else do { char c; readBytes = ::recvfrom(socketDescriptor, &c, 1, MSG_PEEK, &storage.a, &storageSize); } while (readBytes == -1 && errno == EINTR); -#endif // If there's no error, or if our buffer was too small, there must be a // pending datagram. @@ -615,14 +799,6 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const return result; } -#ifdef Q_OS_SYMBIAN -qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const -{ - size_t nbytes = 0; - ::ioctl(socketDescriptor, E32IONREAD, (char *) &nbytes); - return qint64(nbytes-28); -} -#else qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const { QVarLengthArray<char, 8192> udpMessagePeekBuffer(8192); @@ -649,7 +825,7 @@ qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const return qint64(recvResult); } -#endif + qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxSize, QHostAddress *address, quint16 *port) { @@ -659,17 +835,11 @@ qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxS sz = sizeof(aa); ssize_t recvFromResult = 0; -#ifdef Q_OS_SYMBIAN - char c; - recvFromResult = ::recvfrom(socketDescriptor, maxSize ? data : &c, maxSize ? maxSize : 1, - 0, &aa.a, &sz); -#else do { char c; recvFromResult = ::recvfrom(socketDescriptor, maxSize ? data : &c, maxSize ? maxSize : 1, 0, &aa.a, &sz); } while (recvFromResult == -1 && errno == EINTR); -#endif if (recvFromResult == -1) { setError(QAbstractSocket::NetworkError, ReceiveDatagramErrorString); @@ -718,13 +888,8 @@ qint64 QNativeSocketEnginePrivate::nativeSendDatagram(const char *data, qint64 l // ignore the SIGPIPE signal qt_ignore_sigpipe(); -#ifdef Q_OS_SYMBIAN - ssize_t sentBytes = ::sendto(socketDescriptor, data, len, - 0, sockAddrPtr, sockAddrSize); -#else ssize_t sentBytes = qt_safe_sendto(socketDescriptor, data, len, 0, sockAddrPtr, sockAddrSize); -#endif if (sentBytes < 0) { switch (errno) { @@ -822,11 +987,7 @@ void QNativeSocketEnginePrivate::nativeClose() qDebug("QNativeSocketEngine::nativeClose()"); #endif -#ifdef Q_OS_SYMBIAN - ::close(socketDescriptor); -#else - qt_safe_close(socketDescriptor); -#endif + qt_safe_close(socketDescriptor); } qint64 QNativeSocketEnginePrivate::nativeWrite(const char *data, qint64 len) @@ -837,12 +998,7 @@ qint64 QNativeSocketEnginePrivate::nativeWrite(const char *data, qint64 len) qt_ignore_sigpipe(); ssize_t writtenBytes; -#ifdef Q_OS_SYMBIAN - // Symbian does not support signals natively and Open C returns EINTR when moving to offline - writtenBytes = ::write(socketDescriptor, data, len); -#else writtenBytes = qt_safe_write(socketDescriptor, data, len); -#endif if (writtenBytes < 0) { switch (errno) { @@ -877,16 +1033,12 @@ qint64 QNativeSocketEnginePrivate::nativeRead(char *data, qint64 maxSize) { Q_Q(QNativeSocketEngine); if (!q->isValid()) { - qWarning("QNativeSocketEngine::unbufferedRead: Invalid socket"); + qWarning("QNativeSocketEngine::nativeRead: Invalid socket"); return -1; } ssize_t r = 0; -#ifdef Q_OS_SYMBIAN - r = ::read(socketDescriptor, data, maxSize); -#else r = qt_safe_read(socketDescriptor, data, maxSize); -#endif if (r < 0) { r = -1; @@ -903,9 +1055,6 @@ qint64 QNativeSocketEnginePrivate::nativeRead(char *data, qint64 maxSize) case EIO: //error string is now set in read(), not here in nativeRead() break; -#ifdef Q_OS_SYMBIAN - case EPIPE: -#endif case ECONNRESET: #if defined(Q_OS_VXWORKS) case ESHUTDOWN: @@ -936,40 +1085,11 @@ int QNativeSocketEnginePrivate::nativeSelect(int timeout, bool selectForRead) co tv.tv_sec = timeout / 1000; tv.tv_usec = (timeout % 1000) * 1000; -#ifdef Q_OS_SYMBIAN - fd_set fdexception; - FD_ZERO(&fdexception); - FD_SET(socketDescriptor, &fdexception); -#endif - int retval; if (selectForRead) -#ifdef Q_OS_SYMBIAN - retval = ::select(socketDescriptor + 1, &fds, 0, &fdexception, timeout < 0 ? 0 : &tv); -#else retval = qt_safe_select(socketDescriptor + 1, &fds, 0, 0, timeout < 0 ? 0 : &tv); -#endif else -#ifdef Q_OS_SYMBIAN - retval = ::select(socketDescriptor + 1, 0, &fds, &fdexception, timeout < 0 ? 0 : &tv); -#else retval = qt_safe_select(socketDescriptor + 1, 0, &fds, 0, timeout < 0 ? 0 : &tv); -#endif - - -#ifdef Q_OS_SYMBIAN - bool selectForExec = false; - if(retval != 0) { - if(retval < 0) { - qWarning("nativeSelect(....) returned < 0 for socket %d", socketDescriptor); - } - selectForExec = FD_ISSET(socketDescriptor, &fdexception); - } - if(selectForExec) { - qWarning("nativeSelect (selectForRead %d, retVal %d, errno %d) Unexpected exception for fd %d", - selectForRead, retval, errno, socketDescriptor); - } -#endif return retval; } @@ -987,65 +1107,12 @@ int QNativeSocketEnginePrivate::nativeSelect(int timeout, bool checkRead, bool c if (checkWrite) FD_SET(socketDescriptor, &fdwrite); -#ifdef Q_OS_SYMBIAN - fd_set fdexception; - FD_ZERO(&fdexception); - FD_SET(socketDescriptor, &fdexception); -#endif - struct timeval tv; tv.tv_sec = timeout / 1000; tv.tv_usec = (timeout % 1000) * 1000; int ret; -#ifndef Q_OS_SYMBIAN ret = qt_safe_select(socketDescriptor + 1, &fdread, &fdwrite, 0, timeout < 0 ? 0 : &tv); -#else - QElapsedTimer timer; - timer.start(); - - do { - ret = ::select(socketDescriptor + 1, &fdread, &fdwrite, &fdexception, timeout < 0 ? 0 : &tv); - bool selectForExec = false; - if(ret != 0) { - if(ret < 0) { - qWarning("nativeSelect(....) returned < 0 for socket %d", socketDescriptor); - } - selectForExec = FD_ISSET(socketDescriptor, &fdexception); - } - if(selectForExec) { - qWarning("nativeSelect (checkRead %d, checkWrite %d, ret %d, errno %d): Unexpected expectfds ready in fd %d", - checkRead, checkWrite, ret, errno, socketDescriptor); - if (checkWrite){ - FD_CLR(socketDescriptor, &fdread); - FD_SET(socketDescriptor, &fdwrite); - } else if (checkRead) - FD_SET(socketDescriptor, &fdread); - - - if ((ret == -1) && ( errno == ECONNREFUSED || errno == EPIPE )) - ret = 1; - - } - - if (ret != -1 || errno != EINTR) { - break; - } - - if (timeout > 0) { - // recalculate the timeout - int t = timeout - timer.elapsed(); - if (t < 0) { - // oops, timeout turned negative? - ret = -1; - break; - } - - tv.tv_sec = t / 1000; - tv.tv_usec = (t % 1000) * 1000; - } - } while (true); -#endif if (ret <= 0) return ret; |