diff options
Diffstat (limited to 'src/network/socket')
-rw-r--r-- | src/network/socket/qabstractsocket.cpp | 13 | ||||
-rw-r--r-- | src/network/socket/qlocalserver.cpp | 40 | ||||
-rw-r--r-- | src/network/socket/qlocalserver.h | 2 | ||||
-rw-r--r-- | src/network/socket/qlocalsocket.cpp | 14 | ||||
-rw-r--r-- | src/network/socket/qlocalsocket_win.cpp | 4 | ||||
-rw-r--r-- | src/network/socket/qnativesocketengine.cpp | 3 | ||||
-rw-r--r-- | src/network/socket/qnativesocketengine_p.h | 2 | ||||
-rw-r--r-- | src/network/socket/qnativesocketengine_unix.cpp | 60 | ||||
-rw-r--r-- | src/network/socket/qnativesocketengine_win.cpp | 12 | ||||
-rw-r--r-- | src/network/socket/qtcpserver_p.h | 3 |
10 files changed, 118 insertions, 35 deletions
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp index 0f13b1d1b8..7284b124c5 100644 --- a/src/network/socket/qabstractsocket.cpp +++ b/src/network/socket/qabstractsocket.cpp @@ -940,7 +940,9 @@ void QAbstractSocketPrivate::resolveProxy(const QString &hostname, quint16 port) // DefaultProxy here will raise an error proxyInUse = QNetworkProxy(); } +#endif // !QT_NO_NETWORKPROXY +#if !defined(QT_NO_NETWORKPROXY) || defined(Q_OS_WINRT) /*! \internal @@ -982,7 +984,7 @@ void QAbstractSocketPrivate::startConnectingByName(const QString &host) emit q->stateChanged(state); } -#endif +#endif // !QT_NO_NETWORKPROXY || Q_OS_WINRT /*! \internal @@ -1114,10 +1116,6 @@ void QAbstractSocketPrivate::_q_connectToNextAddress() // (localhost address on BSD or any UDP connect), emit // connected() and return. if ( -#if defined(Q_OS_WINRT) && _MSC_VER >= 1900 - !qEnvironmentVariableIsEmpty("QT_WINRT_USE_THREAD_NETWORK_CONTEXT") ? - socketEngine->connectToHostByName(hostName, port) : -#endif socketEngine->connectToHost(host, port)) { //_q_testConnection(); fetchConnectionParameters(); @@ -1704,6 +1702,7 @@ void QAbstractSocket::connectToHost(const QString &hostName, quint16 port, QIODevice::open(openMode); d->readChannelCount = d->writeChannelCount = 0; +#ifndef Q_OS_WINRT d->state = HostLookupState; emit stateChanged(d->state); @@ -1741,6 +1740,10 @@ void QAbstractSocket::connectToHost(const QString &hostName, quint16 port, (d->state == ConnectingState || d->state == HostLookupState) ? " (connection in progress)" : ""); #endif +#else // !Q_OS_WINRT + // On WinRT we should always connect by name. Lookup and proxy handling are done by the API. + d->startConnectingByName(hostName); +#endif } /*! \overload diff --git a/src/network/socket/qlocalserver.cpp b/src/network/socket/qlocalserver.cpp index 3fcec954e7..a9789b7d04 100644 --- a/src/network/socket/qlocalserver.cpp +++ b/src/network/socket/qlocalserver.cpp @@ -41,6 +41,10 @@ #include "qlocalserver_p.h" #include "qlocalsocket.h" +#if defined(Q_OS_WIN) && !defined(QT_LOCALSOCKET_TCP) +#include <QtCore/qt_windows.h> +#endif + QT_BEGIN_NAMESPACE /*! @@ -181,6 +185,42 @@ QLocalServer::SocketOptions QLocalServer::socketOptions() const } /*! + \since 5.10 + Returns the native socket descriptor the server uses to listen + for incoming instructions, or -1 if the server is not listening. + + The type of the descriptor depends on the platform: + \list + \li On Windows, the returned value is a + \l{https://msdn.microsoft.com/en-us/library/windows/desktop/ms740522(v=vs.85).aspx} + {Winsock 2 Socket Handle}. + + \li With WinRT and on INTEGRITY, the returned value is the + QTcpServer socket descriptor and the type is defined by + \l{QTcpServer::socketDescriptor}{socketDescriptor}. + + \li On all other UNIX-like operating systems, the type is + a file descriptor representing a listening socket. + \endlist + + \sa listen() +*/ +qintptr QLocalServer::socketDescriptor() const +{ + Q_D(const QLocalServer); + if (!isListening()) + return -1; +#if defined(QT_LOCALSOCKET_TCP) + return d->tcpServer.socketDescriptor(); +#elif defined(Q_OS_WIN) + const auto handle = d->connectionEventNotifier->handle(); + return handle != INVALID_HANDLE_VALUE ? qintptr(handle) : -1; +#else + return d->socketNotifier->socket(); +#endif +} + +/*! Stop listening for incoming connections. Existing connections are not affected, but any new connections will be refused. diff --git a/src/network/socket/qlocalserver.h b/src/network/socket/qlocalserver.h index 9bd2990389..454ac30c9b 100644 --- a/src/network/socket/qlocalserver.h +++ b/src/network/socket/qlocalserver.h @@ -92,6 +92,8 @@ public: void setSocketOptions(SocketOptions options); SocketOptions socketOptions() const; + qintptr socketDescriptor() const; + protected: virtual void incomingConnection(quintptr socketDescriptor); diff --git a/src/network/socket/qlocalsocket.cpp b/src/network/socket/qlocalsocket.cpp index 090a9e98c6..6fec2fdbd2 100644 --- a/src/network/socket/qlocalsocket.cpp +++ b/src/network/socket/qlocalsocket.cpp @@ -126,6 +126,20 @@ QT_BEGIN_NAMESPACE The socket descriptor is not available when QLocalSocket is in UnconnectedState. + The type of the descriptor depends on the platform: + + \list + \li On Windows, the returned value is a + \l{https://msdn.microsoft.com/en-us/library/windows/desktop/ms740522(v=vs.85).aspx} + {Winsock 2 Socket Handle}. + + \li With WinRT and on INTEGRITY, the returned value is the + QTcpSocket socket descriptor and the type is defined by + \l{QTcpSocket::socketDescriptor}{socketDescriptor}. + + \li On all other UNIX-like operating systems, the type is + a file descriptor representing a socket. + \endlist \sa setSocketDescriptor() */ diff --git a/src/network/socket/qlocalsocket_win.cpp b/src/network/socket/qlocalsocket_win.cpp index 312c934632..ae94cb9d51 100644 --- a/src/network/socket/qlocalsocket_win.cpp +++ b/src/network/socket/qlocalsocket_win.cpp @@ -183,10 +183,8 @@ void QLocalSocket::connectToServer(OpenMode openMode) } // we have a valid handle - if (setSocketDescriptor((qintptr)localSocket, ConnectedState, openMode)) { - d->handle = localSocket; + if (setSocketDescriptor((qintptr)localSocket, ConnectedState, openMode)) emit connected(); - } } // This is reading from the buffer diff --git a/src/network/socket/qnativesocketengine.cpp b/src/network/socket/qnativesocketengine.cpp index 3f7c0d94e1..03395a37f0 100644 --- a/src/network/socket/qnativesocketengine.cpp +++ b/src/network/socket/qnativesocketengine.cpp @@ -1162,6 +1162,7 @@ bool QNativeSocketEngine::waitForReadOrWrite(bool *readyToRead, bool *readyToWri return ret > 0; } +#if 0 // currently unused /*! Returns the size of the operating system's socket receive buffer. Depending on the operating system, this size may be @@ -1220,7 +1221,7 @@ void QNativeSocketEngine::setSendBufferSize(qint64 size) Q_CHECK_VALID_SOCKETLAYER(QNativeSocketEngine::setSendBufferSize(), Q_VOID); setOption(SendBufferSocketOption, size); } - +#endif /*! Sets the option \a option to the value \a value. diff --git a/src/network/socket/qnativesocketengine_p.h b/src/network/socket/qnativesocketengine_p.h index 08e72072ef..d488ce150c 100644 --- a/src/network/socket/qnativesocketengine_p.h +++ b/src/network/socket/qnativesocketengine_p.h @@ -166,11 +166,13 @@ public: qint64 writeDatagram(const char *data, qint64 len, const QIpPacketHeader &) Q_DECL_OVERRIDE; qint64 bytesToWrite() const Q_DECL_OVERRIDE; +#if 0 // currently unused qint64 receiveBufferSize() const; void setReceiveBufferSize(qint64 bufferSize); qint64 sendBufferSize() const; void setSendBufferSize(qint64 bufferSize); +#endif int option(SocketOption option) const Q_DECL_OVERRIDE; bool setOption(SocketOption option, int value) Q_DECL_OVERRIDE; diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp index 3cf65b3553..cb0a521360 100644 --- a/src/network/socket/qnativesocketengine_unix.cpp +++ b/src/network/socket/qnativesocketengine_unix.cpp @@ -670,8 +670,7 @@ static bool multicastMembershipHelper(QNativeSocketEnginePrivate *d, Q_IPV6ADDR ip6 = groupAddress.toIPv6Address(); memcpy(&mreq6.ipv6mr_multiaddr, &ip6, sizeof(ip6)); mreq6.ipv6mr_interface = interface.index(); - } else - if (groupAddress.protocol() == QAbstractSocket::IPv4Protocol) { + } else if (groupAddress.protocol() == QAbstractSocket::IPv4Protocol) { level = IPPROTO_IP; sockOpt = how4; sockArg = &mreq4; @@ -830,18 +829,10 @@ qint64 QNativeSocketEnginePrivate::nativeBytesAvailable() const bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const { - // Create a sockaddr struct and reset its port number. - qt_sockaddr storage; - QT_SOCKLEN_T storageSize = sizeof(storage); - memset(&storage, 0, storageSize); - - // 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. + // Peek 1 bytes into the next message. ssize_t readBytes; - do { - char c; - readBytes = ::recvfrom(socketDescriptor, &c, 1, MSG_PEEK, &storage.a, &storageSize); - } while (readBytes == -1 && errno == EINTR); + char c; + EINTR_LOOP(readBytes, ::recv(socketDescriptor, &c, 1, MSG_PEEK)); // If there's no error, or if our buffer was too small, there must be a // pending datagram. @@ -856,24 +847,57 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const { - QVarLengthArray<char, 8192> udpMessagePeekBuffer(8192); ssize_t recvResult = -1; +#ifdef Q_OS_LINUX + // Linux can return the actual datagram size if we use MSG_TRUNC + char c; + EINTR_LOOP(recvResult, ::recv(socketDescriptor, &c, 1, MSG_PEEK | MSG_TRUNC)); +#elif defined(SO_NREAD) + // macOS can return the actual datagram size if we use SO_NREAD + int value; + socklen_t valuelen = sizeof(value); + recvResult = getsockopt(socketDescriptor, SOL_SOCKET, SO_NREAD, &value, &valuelen); + if (recvResult != -1) + recvResult = value; +#else + // We need to grow the buffer to fit the entire datagram. + // We start at 1500 bytes (the MTU for Ethernet V2), which should catch + // almost all uses (effective MTU for UDP under IPv4 is 1468), except + // for localhost datagrams and those reassembled by the IP layer. + char udpMessagePeekBuffer[1500]; + struct msghdr msg; + struct iovec vec; + + memset(&msg, 0, sizeof(msg)); + msg.msg_iov = &vec; + msg.msg_iovlen = 1; + vec.iov_base = udpMessagePeekBuffer; + vec.iov_len = sizeof(udpMessagePeekBuffer); for (;;) { // the data written to udpMessagePeekBuffer is discarded, so // this function is still reentrant although it might not look // so. - recvResult = ::recv(socketDescriptor, udpMessagePeekBuffer.data(), - udpMessagePeekBuffer.size(), MSG_PEEK); + recvResult = ::recvmsg(socketDescriptor, &msg, MSG_PEEK); if (recvResult == -1 && errno == EINTR) continue; - if (recvResult != (ssize_t) udpMessagePeekBuffer.size()) + // was the result truncated? + if ((msg.msg_flags & MSG_TRUNC) == 0) break; - udpMessagePeekBuffer.resize(udpMessagePeekBuffer.size() * 2); + // grow by 16 times + msg.msg_iovlen *= 16; + if (msg.msg_iov != &vec) + delete[] msg.msg_iov; + msg.msg_iov = new struct iovec[msg.msg_iovlen]; + std::fill_n(msg.msg_iov, msg.msg_iovlen, vec); } + if (msg.msg_iov != &vec) + delete[] msg.msg_iov; +#endif + #if defined (QNATIVESOCKETENGINE_DEBUG) qDebug("QNativeSocketEnginePrivate::nativePendingDatagramSize() == %zd", recvResult); #endif diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp index eb633eb1d2..7556bb98f4 100644 --- a/src/network/socket/qnativesocketengine_win.cpp +++ b/src/network/socket/qnativesocketengine_win.cpp @@ -944,9 +944,7 @@ static bool multicastMembershipHelper(QNativeSocketEnginePrivate *d, Q_IPV6ADDR ip6 = groupAddress.toIPv6Address(); memcpy(&mreq6.ipv6mr_multiaddr, &ip6, sizeof(ip6)); mreq6.ipv6mr_interface = iface.index(); - } else - - if (groupAddress.protocol() == QAbstractSocket::IPv4Protocol) { + } else if (groupAddress.protocol() == QAbstractSocket::IPv4Protocol) { level = IPPROTO_IP; sockOpt = how4; sockArg = reinterpret_cast<char *>(&mreq4); @@ -1148,10 +1146,10 @@ qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const DWORD bufferCount = 5; WSABUF * buf = 0; for (;;) { - // the data written to udpMessagePeekBuffer is discarded, so - // this function is still reentrant although it might not look - // so. - static char udpMessagePeekBuffer[8192]; + // We start at 1500 bytes (the MTU for Ethernet V2), which should catch + // almost all uses (effective MTU for UDP under IPv4 is 1468), except + // for localhost datagrams and those reassembled by the IP layer. + char udpMessagePeekBuffer[1500]; buf = new WSABUF[bufferCount]; for (DWORD i=0; i<bufferCount; i++) { diff --git a/src/network/socket/qtcpserver_p.h b/src/network/socket/qtcpserver_p.h index 71dc4d985f..b7fae4c105 100644 --- a/src/network/socket/qtcpserver_p.h +++ b/src/network/socket/qtcpserver_p.h @@ -63,7 +63,8 @@ QT_BEGIN_NAMESPACE -class QTcpServerPrivate : public QObjectPrivate, public QAbstractSocketEngineReceiver +class Q_NETWORK_EXPORT QTcpServerPrivate : public QObjectPrivate, + public QAbstractSocketEngineReceiver { Q_DECLARE_PUBLIC(QTcpServer) public: |