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/****************************************************************************
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**
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18
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
diff
changeset
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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0
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "q3socketdevice.h"
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#include "qwindowdefs.h"
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#include "qdatetime.h"
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#include <qcoreapplication.h>
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#include <string.h>
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#if defined (QT_NO_IPV6)
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# include <winsock.h>
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#else
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# if defined (Q_CC_BOR) || defined (Q_CC_GNU)
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# include <winsock2.h>
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# else
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# include <winsock.h>
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# endif
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// Use our own defines and structs which we know are correct
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# define QT_SS_MAXSIZE 128
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# define QT_SS_ALIGNSIZE (sizeof(__int64))
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# define QT_SS_PAD1SIZE (QT_SS_ALIGNSIZE - sizeof (short))
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# define QT_SS_PAD2SIZE (QT_SS_MAXSIZE - (sizeof (short) + QT_SS_PAD1SIZE + QT_SS_ALIGNSIZE))
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63 |
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QT_BEGIN_NAMESPACE
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struct qt_sockaddr_storage {
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short ss_family;
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char __ss_pad1[QT_SS_PAD1SIZE];
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__int64 __ss_align;
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char __ss_pad2[QT_SS_PAD2SIZE];
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};
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72 |
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// sockaddr_in6 size changed between old and new SDK
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// Only the new version is the correct one, so always
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// use this structure.
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struct qt_in6_addr {
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u_char qt_s6_addr[16];
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};
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typedef struct {
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short sin6_family; /* AF_INET6 */
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u_short sin6_port; /* Transport level port number */
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u_long sin6_flowinfo; /* IPv6 flow information */
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struct qt_in6_addr sin6_addr; /* IPv6 address */
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u_long sin6_scope_id; /* set of interfaces for a scope */
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} qt_sockaddr_in6;
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#endif
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#ifndef AF_INET6
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#define AF_INET6 23 /* Internetwork Version 6 */
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#endif
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#ifndef NO_ERRNO_H
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QT_BEGIN_INCLUDE_NAMESPACE
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# if defined(Q_OS_WINCE)
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# include "qfunctions_wince.h"
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# else
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# include <errno.h>
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# endif
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QT_END_INCLUDE_NAMESPACE
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#endif
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#if defined(SOCKLEN_T)
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#undef SOCKLEN_T
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#endif
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#define SOCKLEN_T int // #### Winsock 1.1
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static int initialized = 0x00; // Holds the Winsock version
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static void cleanupWinSock() // post-routine
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{
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WSACleanup();
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initialized = 0x00;
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}
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static inline void qt_socket_getportaddr( struct sockaddr *sa,
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quint16 *port, QHostAddress *addr )
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{
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#if !defined (QT_NO_IPV6)
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if (sa->sa_family == AF_INET6) {
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qt_sockaddr_in6 *sa6 = (qt_sockaddr_in6 *)sa;
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Q_IPV6ADDR tmp;
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for ( int i = 0; i < 16; ++i )
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tmp.c[i] = sa6->sin6_addr.qt_s6_addr[i];
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QHostAddress a( tmp );
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*addr = a;
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*port = ntohs( sa6->sin6_port );
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return;
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}
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#endif
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struct sockaddr_in *sa4 = (struct sockaddr_in *)sa;
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QHostAddress a( ntohl( sa4->sin_addr.s_addr ) );
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*port = ntohs( sa4->sin_port );
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*addr = a;
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}
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void Q3SocketDevice::init()
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{
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#if !defined(QT_NO_IPV6)
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if ( !initialized ) {
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WSAData wsadata;
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// IPv6 requires Winsock v2.0 or better.
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if ( WSAStartup( MAKEWORD(2,0), &wsadata ) != 0 ) {
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# if defined(QSOCKETDEVICE_DEBUG)
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qDebug( "Q3SocketDevice: WinSock v2.0 initialization failed, disabling IPv6 support." );
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# endif
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} else {
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qAddPostRoutine( cleanupWinSock );
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initialized = 0x20;
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return;
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}
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}
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#endif
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if (!initialized) {
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WSAData wsadata;
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if ( WSAStartup( MAKEWORD(1,1), &wsadata ) != 0 ) {
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#if defined(QT_CHECK_NULL)
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qWarning( "Q3SocketDevice: WinSock initialization failed" );
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#endif
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#if defined(QSOCKETDEVICE_DEBUG)
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qDebug( "Q3SocketDevice: WinSock initialization failed" );
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#endif
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return;
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}
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qAddPostRoutine( cleanupWinSock );
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initialized = 0x11;
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}
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}
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Q3SocketDevice::Protocol Q3SocketDevice::getProtocol() const
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{
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if ( isValid() ) {
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#if !defined (QT_NO_IPV6)
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struct qt_sockaddr_storage sa;
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#else
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struct sockaddr_in sa;
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#endif
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memset( &sa, 0, sizeof(sa) );
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SOCKLEN_T sz = sizeof( sa );
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if ( !::getsockname(fd, (struct sockaddr *)&sa, &sz) ) {
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#if !defined (QT_NO_IPV6)
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switch ( sa.ss_family ) {
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case AF_INET:
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return IPv4;
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case AF_INET6:
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return IPv6;
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default:
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return Unknown;
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}
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#else
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switch ( sa.sin_family ) {
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case AF_INET:
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return IPv4;
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default:
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return Unknown;
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}
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#endif
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}
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}
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return Unknown;
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}
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int Q3SocketDevice::createNewSocket( )
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{
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#if !defined(QT_NO_IPV6)
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SOCKET s;
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// Support IPv6 for Winsock v2.0++
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if ( initialized >= 0x20 && protocol() == IPv6 ) {
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s = ::socket( AF_INET6, t==Datagram?SOCK_DGRAM:SOCK_STREAM, 0 );
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} else {
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s = ::socket( AF_INET, t==Datagram?SOCK_DGRAM:SOCK_STREAM, 0 );
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}
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#else
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SOCKET s = ::socket( AF_INET, t==Datagram?SOCK_DGRAM:SOCK_STREAM, 0 );
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#endif
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if ( s == INVALID_SOCKET ) {
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switch( WSAGetLastError() ) {
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case WSANOTINITIALISED:
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e = Impossible;
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break;
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case WSAENETDOWN:
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// ### what to use here?
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e = NetworkFailure;
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//e = Inaccessible;
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break;
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case WSAEMFILE:
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e = NoFiles; // special case for this
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break;
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case WSAEINPROGRESS:
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case WSAENOBUFS:
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e = NoResources;
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break;
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case WSAEAFNOSUPPORT:
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case WSAEPROTOTYPE:
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case WSAEPROTONOSUPPORT:
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case WSAESOCKTNOSUPPORT:
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e = InternalError;
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break;
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default:
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242 |
e = UnknownError;
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break;
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}
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} else {
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return s;
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}
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248 |
return -1;
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}
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250 |
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251 |
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252 |
void Q3SocketDevice::close()
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{
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if ( fd == -1 || !isOpen() ) // already closed
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return;
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256 |
resetStatus();
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setOpenMode(NotOpen);
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258 |
::closesocket( fd );
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259 |
#if defined(QSOCKETDEVICE_DEBUG)
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260 |
qDebug( "Q3SocketDevice::close: Closed socket %x", fd );
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261 |
#endif
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262 |
fd = -1;
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263 |
fetchConnectionParameters();
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264 |
QIODevice::close();
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265 |
}
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266 |
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267 |
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268 |
bool Q3SocketDevice::blocking() const
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269 |
{
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270 |
return true;
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271 |
}
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272 |
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273 |
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274 |
void Q3SocketDevice::setBlocking( bool enable )
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275 |
{
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276 |
#if defined(QSOCKETDEVICE_DEBUG)
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277 |
qDebug( "Q3SocketDevice::setBlocking( %d )", enable );
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278 |
#endif
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279 |
if ( !isValid() )
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280 |
return;
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281 |
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282 |
unsigned long dummy = enable ? 0 : 1;
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283 |
ioctlsocket( fd, FIONBIO, &dummy );
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284 |
}
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285 |
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286 |
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287 |
int Q3SocketDevice::option( Option opt ) const
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288 |
{
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289 |
if ( !isValid() )
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290 |
return -1;
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291 |
int n = -1;
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292 |
int v = -1;
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293 |
switch ( opt ) {
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294 |
case Broadcast:
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295 |
n = SO_BROADCAST;
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296 |
break;
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297 |
case ReceiveBuffer:
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298 |
n = SO_RCVBUF;
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299 |
break;
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300 |
case ReuseAddress:
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301 |
n = SO_REUSEADDR;
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302 |
break;
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303 |
case SendBuffer:
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304 |
n = SO_SNDBUF;
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305 |
break;
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306 |
}
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307 |
if ( n != -1 ) {
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308 |
SOCKLEN_T len = sizeof(v);
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309 |
int r = ::getsockopt( fd, SOL_SOCKET, n, (char*)&v, &len );
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310 |
if ( r != SOCKET_ERROR )
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311 |
return v;
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312 |
if ( !e ) {
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313 |
Q3SocketDevice *that = (Q3SocketDevice*)this; // mutable function
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314 |
switch( WSAGetLastError() ) {
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315 |
case WSANOTINITIALISED:
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316 |
that->e = Impossible;
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317 |
break;
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318 |
case WSAENETDOWN:
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319 |
that->e = NetworkFailure;
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320 |
break;
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321 |
case WSAEFAULT:
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322 |
case WSAEINVAL:
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323 |
case WSAENOPROTOOPT:
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324 |
that->e = InternalError;
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325 |
break;
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326 |
case WSAEINPROGRESS:
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327 |
that->e = NoResources;
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328 |
break;
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329 |
case WSAENOTSOCK:
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330 |
that->e = Impossible;
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331 |
break;
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332 |
default:
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333 |
that->e = UnknownError;
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|
334 |
break;
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|
335 |
}
|
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|
336 |
}
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337 |
return -1;
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|
338 |
}
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339 |
return v;
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|
340 |
}
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|
341 |
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|
342 |
|
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|
343 |
void Q3SocketDevice::setOption( Option opt, int v )
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|
344 |
{
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345 |
if ( !isValid() )
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346 |
return;
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347 |
int n = -1; // for really, really bad compilers
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348 |
switch ( opt ) {
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349 |
case Broadcast:
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350 |
n = SO_BROADCAST;
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351 |
break;
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352 |
case ReceiveBuffer:
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353 |
n = SO_RCVBUF;
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354 |
break;
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355 |
case ReuseAddress:
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356 |
n = SO_REUSEADDR;
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357 |
break;
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358 |
case SendBuffer:
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359 |
n = SO_SNDBUF;
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|
360 |
break;
|
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|
361 |
default:
|
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|
362 |
return;
|
|
|
363 |
}
|
|
|
364 |
int r = ::setsockopt( fd, SOL_SOCKET, n, (char*)&v, sizeof(v) );
|
|
|
365 |
if ( r == SOCKET_ERROR && e == NoError ) {
|
|
|
366 |
switch( WSAGetLastError() ) {
|
|
|
367 |
case WSANOTINITIALISED:
|
|
|
368 |
e = Impossible;
|
|
|
369 |
break;
|
|
|
370 |
case WSAENETDOWN:
|
|
|
371 |
e = NetworkFailure;
|
|
|
372 |
break;
|
|
|
373 |
case WSAEFAULT:
|
|
|
374 |
case WSAEINVAL:
|
|
|
375 |
case WSAENOPROTOOPT:
|
|
|
376 |
e = InternalError;
|
|
|
377 |
break;
|
|
|
378 |
case WSAEINPROGRESS:
|
|
|
379 |
e = NoResources;
|
|
|
380 |
break;
|
|
|
381 |
case WSAENETRESET:
|
|
|
382 |
case WSAENOTCONN:
|
|
|
383 |
e = Impossible; // ### ?
|
|
|
384 |
break;
|
|
|
385 |
case WSAENOTSOCK:
|
|
|
386 |
e = Impossible;
|
|
|
387 |
break;
|
|
|
388 |
default:
|
|
|
389 |
e = UnknownError;
|
|
|
390 |
break;
|
|
|
391 |
}
|
|
|
392 |
}
|
|
|
393 |
}
|
|
|
394 |
|
|
|
395 |
|
|
|
396 |
bool Q3SocketDevice::connect( const QHostAddress &addr, quint16 port )
|
|
|
397 |
{
|
|
|
398 |
if ( !isValid() )
|
|
|
399 |
return false;
|
|
|
400 |
|
|
|
401 |
pa = addr;
|
|
|
402 |
pp = port;
|
|
|
403 |
|
|
|
404 |
struct sockaddr_in a4;
|
|
|
405 |
struct sockaddr *aa;
|
|
|
406 |
SOCKLEN_T aalen;
|
|
|
407 |
|
|
|
408 |
#if !defined(QT_NO_IPV6)
|
|
|
409 |
qt_sockaddr_in6 a6;
|
|
|
410 |
|
|
|
411 |
if ( initialized >= 0x20 && addr.isIPv6Address() ) {
|
|
|
412 |
memset(&a6, 0, sizeof(a6));
|
|
|
413 |
a6.sin6_family = AF_INET6;
|
|
|
414 |
a6.sin6_port = htons( port );
|
|
|
415 |
Q_IPV6ADDR ip6 = addr.toIPv6Address();
|
|
|
416 |
memcpy( &a6.sin6_addr.qt_s6_addr, &ip6, sizeof(ip6) );
|
|
|
417 |
|
|
|
418 |
aalen = sizeof( a6 );
|
|
|
419 |
aa = (struct sockaddr *)&a6;
|
|
|
420 |
} else
|
|
|
421 |
#endif
|
|
|
422 |
if ( addr.isIPv4Address() ) {
|
|
|
423 |
memset(&a4, 0, sizeof(a4));
|
|
|
424 |
a4.sin_family = AF_INET;
|
|
|
425 |
a4.sin_port = htons(port);
|
|
|
426 |
a4.sin_addr.s_addr = htonl(addr.toIPv4Address());
|
|
|
427 |
|
|
|
428 |
aalen = sizeof(a4);
|
|
|
429 |
aa = (struct sockaddr *)&a4;
|
|
|
430 |
} else {
|
|
|
431 |
e = Impossible;
|
|
|
432 |
return false;
|
|
|
433 |
}
|
|
|
434 |
|
|
|
435 |
int r = ::connect( fd, aa, aalen );
|
|
|
436 |
|
|
|
437 |
if ( r == SOCKET_ERROR )
|
|
|
438 |
{
|
|
|
439 |
switch( WSAGetLastError() ) {
|
|
|
440 |
case WSANOTINITIALISED:
|
|
|
441 |
e = Impossible;
|
|
|
442 |
break;
|
|
|
443 |
case WSAENETDOWN:
|
|
|
444 |
e = NetworkFailure;
|
|
|
445 |
break;
|
|
|
446 |
case WSAEADDRINUSE:
|
|
|
447 |
case WSAEINPROGRESS:
|
|
|
448 |
case WSAENOBUFS:
|
|
|
449 |
e = NoResources;
|
|
|
450 |
break;
|
|
|
451 |
case WSAEINTR:
|
|
|
452 |
e = UnknownError; // ### ?
|
|
|
453 |
break;
|
|
|
454 |
case WSAEALREADY:
|
|
|
455 |
// ### ?
|
|
|
456 |
break;
|
|
|
457 |
case WSAEADDRNOTAVAIL:
|
|
|
458 |
e = ConnectionRefused; // ### ?
|
|
|
459 |
break;
|
|
|
460 |
case WSAEAFNOSUPPORT:
|
|
|
461 |
case WSAEFAULT:
|
|
|
462 |
e = InternalError;
|
|
|
463 |
break;
|
|
|
464 |
case WSAEINVAL:
|
|
|
465 |
break;
|
|
|
466 |
case WSAECONNREFUSED:
|
|
|
467 |
e = ConnectionRefused;
|
|
|
468 |
break;
|
|
|
469 |
case WSAEISCONN:
|
|
|
470 |
goto successful;
|
|
|
471 |
case WSAENETUNREACH:
|
|
|
472 |
case WSAETIMEDOUT:
|
|
|
473 |
e = NetworkFailure;
|
|
|
474 |
break;
|
|
|
475 |
case WSAENOTSOCK:
|
|
|
476 |
e = Impossible;
|
|
|
477 |
break;
|
|
|
478 |
case WSAEWOULDBLOCK:
|
|
|
479 |
break;
|
|
|
480 |
case WSAEACCES:
|
|
|
481 |
e = Inaccessible;
|
|
|
482 |
break;
|
|
|
483 |
case 10107:
|
|
|
484 |
// Workaround for a problem with the WinSock Proxy Server. See
|
|
|
485 |
// also support/arc-12/25557 for details on the problem.
|
|
|
486 |
goto successful;
|
|
|
487 |
default:
|
|
|
488 |
e = UnknownError;
|
|
|
489 |
break;
|
|
|
490 |
}
|
|
|
491 |
return false;
|
|
|
492 |
}
|
|
|
493 |
successful:
|
|
|
494 |
fetchConnectionParameters();
|
|
|
495 |
return true;
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
|
|
|
499 |
bool Q3SocketDevice::bind( const QHostAddress &address, quint16 port )
|
|
|
500 |
{
|
|
|
501 |
if ( !isValid() )
|
|
|
502 |
return false;
|
|
|
503 |
int r;
|
|
|
504 |
struct sockaddr_in a4;
|
|
|
505 |
#if !defined(QT_NO_IPV6)
|
|
|
506 |
qt_sockaddr_in6 a6;
|
|
|
507 |
|
|
|
508 |
if ( initialized >= 0x20 && address.isIPv6Address() ) {
|
|
|
509 |
memset( &a6, 0, sizeof(a6) );
|
|
|
510 |
a6.sin6_family = AF_INET6;
|
|
|
511 |
a6.sin6_port = htons( port );
|
|
|
512 |
Q_IPV6ADDR tmp = address.toIPv6Address();
|
|
|
513 |
memcpy( &a6.sin6_addr.qt_s6_addr, &tmp, sizeof(tmp) );
|
|
|
514 |
|
|
|
515 |
r = ::bind( fd, (struct sockaddr *)&a6, sizeof(struct qt_sockaddr_storage) );
|
|
|
516 |
} else
|
|
|
517 |
#endif
|
|
|
518 |
if ( address.isIPv4Address() ) {
|
|
|
519 |
memset( &a4, 0, sizeof(a4) );
|
|
|
520 |
a4.sin_family = AF_INET;
|
|
|
521 |
a4.sin_port = htons( port );
|
|
|
522 |
a4.sin_addr.s_addr = htonl( address.toIPv4Address() );
|
|
|
523 |
|
|
|
524 |
r = ::bind( fd, (struct sockaddr*)&a4, sizeof(struct sockaddr_in) );
|
|
|
525 |
} else {
|
|
|
526 |
e = Impossible;
|
|
|
527 |
return false;
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
if ( r == SOCKET_ERROR ) {
|
|
|
531 |
switch( WSAGetLastError() ) {
|
|
|
532 |
case WSANOTINITIALISED:
|
|
|
533 |
e = Impossible;
|
|
|
534 |
break;
|
|
|
535 |
case WSAENETDOWN:
|
|
|
536 |
e = NetworkFailure;
|
|
|
537 |
break;
|
|
|
538 |
case WSAEACCES:
|
|
|
539 |
e = Inaccessible;
|
|
|
540 |
break;
|
|
|
541 |
case WSAEADDRNOTAVAIL:
|
|
|
542 |
e = Inaccessible;
|
|
|
543 |
break;
|
|
|
544 |
case WSAEFAULT:
|
|
|
545 |
e = InternalError;
|
|
|
546 |
break;
|
|
|
547 |
case WSAEINPROGRESS:
|
|
|
548 |
case WSAENOBUFS:
|
|
|
549 |
e = NoResources;
|
|
|
550 |
break;
|
|
|
551 |
case WSAEADDRINUSE:
|
|
|
552 |
case WSAEINVAL:
|
|
|
553 |
e = AlreadyBound;
|
|
|
554 |
break;
|
|
|
555 |
case WSAENOTSOCK:
|
|
|
556 |
e = Impossible;
|
|
|
557 |
break;
|
|
|
558 |
default:
|
|
|
559 |
e = UnknownError;
|
|
|
560 |
break;
|
|
|
561 |
}
|
|
|
562 |
return false;
|
|
|
563 |
}
|
|
|
564 |
fetchConnectionParameters();
|
|
|
565 |
return true;
|
|
|
566 |
}
|
|
|
567 |
|
|
|
568 |
|
|
|
569 |
bool Q3SocketDevice::listen( int backlog )
|
|
|
570 |
{
|
|
|
571 |
if ( !isValid() )
|
|
|
572 |
return false;
|
|
|
573 |
if ( ::listen( fd, backlog ) >= 0 )
|
|
|
574 |
return true;
|
|
|
575 |
if ( !e )
|
|
|
576 |
e = Impossible;
|
|
|
577 |
return false;
|
|
|
578 |
}
|
|
|
579 |
|
|
|
580 |
|
|
|
581 |
int Q3SocketDevice::accept()
|
|
|
582 |
{
|
|
|
583 |
if ( !isValid() )
|
|
|
584 |
return -1;
|
|
|
585 |
#if !defined(QT_NO_IPV6)
|
|
|
586 |
struct qt_sockaddr_storage a;
|
|
|
587 |
#else
|
|
|
588 |
struct sockaddr a;
|
|
|
589 |
#endif
|
|
|
590 |
SOCKLEN_T l = sizeof(a);
|
|
|
591 |
bool done;
|
|
|
592 |
SOCKET s;
|
|
|
593 |
do {
|
|
|
594 |
s = ::accept( fd, (struct sockaddr*)&a, &l );
|
|
|
595 |
// we'll blithely throw away the stuff accept() wrote to a
|
|
|
596 |
done = true;
|
|
|
597 |
if ( s == INVALID_SOCKET && e == NoError ) {
|
|
|
598 |
switch( WSAGetLastError() ) {
|
|
|
599 |
case WSAEINTR:
|
|
|
600 |
done = false;
|
|
|
601 |
break;
|
|
|
602 |
case WSANOTINITIALISED:
|
|
|
603 |
e = Impossible;
|
|
|
604 |
break;
|
|
|
605 |
case WSAENETDOWN:
|
|
|
606 |
case WSAEOPNOTSUPP:
|
|
|
607 |
// in all these cases, an error happened during connection
|
|
|
608 |
// setup. we're not interested in what happened, so we
|
|
|
609 |
// just treat it like the client-closed-quickly case.
|
|
|
610 |
break;
|
|
|
611 |
case WSAEFAULT:
|
|
|
612 |
e = InternalError;
|
|
|
613 |
break;
|
|
|
614 |
case WSAEMFILE:
|
|
|
615 |
case WSAEINPROGRESS:
|
|
|
616 |
case WSAENOBUFS:
|
|
|
617 |
e = NoResources;
|
|
|
618 |
break;
|
|
|
619 |
case WSAEINVAL:
|
|
|
620 |
case WSAENOTSOCK:
|
|
|
621 |
e = Impossible;
|
|
|
622 |
break;
|
|
|
623 |
case WSAEWOULDBLOCK:
|
|
|
624 |
break;
|
|
|
625 |
default:
|
|
|
626 |
e = UnknownError;
|
|
|
627 |
break;
|
|
|
628 |
}
|
|
|
629 |
}
|
|
|
630 |
} while (!done);
|
|
|
631 |
return s;
|
|
|
632 |
}
|
|
|
633 |
|
|
|
634 |
|
|
|
635 |
qint64 Q3SocketDevice::bytesAvailable() const
|
|
|
636 |
{
|
|
|
637 |
if ( !isValid() )
|
|
|
638 |
return -1;
|
|
|
639 |
u_long nbytes = 0;
|
|
|
640 |
if ( ::ioctlsocket(fd, FIONREAD, &nbytes) < 0 )
|
|
|
641 |
return -1;
|
|
|
642 |
|
|
|
643 |
// ioctlsocket sometimes reports 1 byte available for datagrams
|
|
|
644 |
// while the following recvfrom returns -1 and claims connection
|
|
|
645 |
// was reset (udp is connectionless). so we peek one byte to
|
|
|
646 |
// catch this case and return 0 bytes available if recvfrom
|
|
|
647 |
// fails.
|
|
|
648 |
if (nbytes == 1 && t == Datagram) {
|
|
|
649 |
char c;
|
|
|
650 |
if (::recvfrom(fd, &c, sizeof(c), MSG_PEEK, 0, 0) == SOCKET_ERROR)
|
|
|
651 |
return 0;
|
|
|
652 |
}
|
|
|
653 |
|
|
|
654 |
return nbytes;
|
|
|
655 |
}
|
|
|
656 |
|
|
|
657 |
|
|
|
658 |
Q_LONG Q3SocketDevice::waitForMore( int msecs, bool *timeout ) const
|
|
|
659 |
{
|
|
|
660 |
if ( !isValid() )
|
|
|
661 |
return -1;
|
|
|
662 |
|
|
|
663 |
fd_set fds;
|
|
|
664 |
memset(&fds, 0, sizeof(fd_set));
|
|
|
665 |
fds.fd_count = 1;
|
|
|
666 |
fds.fd_array[0] = fd;
|
|
|
667 |
|
|
|
668 |
struct timeval tv;
|
|
|
669 |
|
|
|
670 |
tv.tv_sec = msecs / 1000;
|
|
|
671 |
tv.tv_usec = (msecs % 1000) * 1000;
|
|
|
672 |
|
|
|
673 |
int rv = select( fd+1, &fds, 0, 0, msecs < 0 ? 0 : &tv );
|
|
|
674 |
|
|
|
675 |
if ( rv < 0 )
|
|
|
676 |
return -1;
|
|
|
677 |
|
|
|
678 |
if ( timeout ) {
|
|
|
679 |
if ( rv == 0 )
|
|
|
680 |
*timeout = true;
|
|
|
681 |
else
|
|
|
682 |
*timeout = false;
|
|
|
683 |
}
|
|
|
684 |
|
|
|
685 |
return bytesAvailable();
|
|
|
686 |
}
|
|
|
687 |
|
|
|
688 |
|
|
|
689 |
qint64 Q3SocketDevice::readData( char *data, qint64 maxlen )
|
|
|
690 |
{
|
|
|
691 |
#if defined(QT_CHECK_NULL)
|
|
|
692 |
if ( data == 0 && maxlen != 0 ) {
|
|
|
693 |
qWarning( "Q3SocketDevice::readBlock: Null pointer error" );
|
|
|
694 |
}
|
|
|
695 |
#endif
|
|
|
696 |
#if defined(QT_CHECK_STATE)
|
|
|
697 |
if ( !isValid() ) {
|
|
|
698 |
qWarning( "Q3SocketDevice::readBlock: Invalid socket" );
|
|
|
699 |
return -1;
|
|
|
700 |
}
|
|
|
701 |
if ( !isOpen() ) {
|
|
|
702 |
qWarning( "Q3SocketDevice::readBlock: Device is not open" );
|
|
|
703 |
return -1;
|
|
|
704 |
}
|
|
|
705 |
if ( !isReadable() ) {
|
|
|
706 |
qWarning( "Q3SocketDevice::readBlock: Read operation not permitted" );
|
|
|
707 |
return -1;
|
|
|
708 |
}
|
|
|
709 |
#endif
|
|
|
710 |
qint64 r = 0;
|
|
|
711 |
if ( t == Datagram ) {
|
|
|
712 |
#if !defined(QT_NO_IPV6)
|
|
|
713 |
// With IPv6 support, we must be prepared to receive both IPv4
|
|
|
714 |
// and IPv6 packets. The generic SOCKADDR_STORAGE (struct
|
|
|
715 |
// sockaddr_storage on unix) replaces struct sockaddr.
|
|
|
716 |
struct qt_sockaddr_storage a;
|
|
|
717 |
#else
|
|
|
718 |
struct sockaddr_in a;
|
|
|
719 |
#endif
|
|
|
720 |
memset( &a, 0, sizeof(a) );
|
|
|
721 |
SOCKLEN_T sz;
|
|
|
722 |
sz = sizeof( a );
|
|
|
723 |
r = ::recvfrom( fd, data, maxlen, 0, (struct sockaddr *)&a, &sz );
|
|
|
724 |
qt_socket_getportaddr( (struct sockaddr *)(&a), &pp, &pa );
|
|
|
725 |
} else {
|
|
|
726 |
r = ::recv( fd, data, maxlen, 0 );
|
|
|
727 |
}
|
|
|
728 |
if ( r == 0 && t == Stream && maxlen > 0 ) {
|
|
|
729 |
if ( WSAGetLastError() != WSAEWOULDBLOCK ) {
|
|
|
730 |
// connection closed
|
|
|
731 |
close();
|
|
|
732 |
}
|
|
|
733 |
} else if ( r == SOCKET_ERROR && e == NoError ) {
|
|
|
734 |
switch( WSAGetLastError() ) {
|
|
|
735 |
case WSANOTINITIALISED:
|
|
|
736 |
e = Impossible;
|
|
|
737 |
break;
|
|
|
738 |
case WSAECONNABORTED:
|
|
|
739 |
close();
|
|
|
740 |
r = 0;
|
|
|
741 |
break;
|
|
|
742 |
case WSAETIMEDOUT:
|
|
|
743 |
case WSAECONNRESET:
|
|
|
744 |
/*
|
|
|
745 |
From msdn doc:
|
|
|
746 |
On a UDP datagram socket this error would indicate that a previous
|
|
|
747 |
send operation resulted in an ICMP "Port Unreachable" message.
|
|
|
748 |
|
|
|
749 |
So we should not close this socket just because one sendto failed.
|
|
|
750 |
*/
|
|
|
751 |
if ( t != Datagram )
|
|
|
752 |
close(); // connection closed
|
|
|
753 |
r = 0;
|
|
|
754 |
break;
|
|
|
755 |
case WSAENETDOWN:
|
|
|
756 |
case WSAENETRESET:
|
|
|
757 |
e = NetworkFailure;
|
|
|
758 |
break;
|
|
|
759 |
case WSAEFAULT:
|
|
|
760 |
case WSAENOTCONN:
|
|
|
761 |
case WSAESHUTDOWN:
|
|
|
762 |
case WSAEINVAL:
|
|
|
763 |
e = Impossible;
|
|
|
764 |
break;
|
|
|
765 |
case WSAEINTR:
|
|
|
766 |
// ### ?
|
|
|
767 |
r = 0;
|
|
|
768 |
break;
|
|
|
769 |
case WSAEINPROGRESS:
|
|
|
770 |
e = NoResources;
|
|
|
771 |
break;
|
|
|
772 |
case WSAENOTSOCK:
|
|
|
773 |
e = Impossible;
|
|
|
774 |
break;
|
|
|
775 |
case WSAEOPNOTSUPP:
|
|
|
776 |
e = InternalError; // ### ?
|
|
|
777 |
break;
|
|
|
778 |
case WSAEWOULDBLOCK:
|
|
|
779 |
break;
|
|
|
780 |
case WSAEMSGSIZE:
|
|
|
781 |
e = NoResources; // ### ?
|
|
|
782 |
break;
|
|
|
783 |
case WSAEISCONN:
|
|
|
784 |
// ### ?
|
|
|
785 |
r = 0;
|
|
|
786 |
break;
|
|
|
787 |
default:
|
|
|
788 |
e = UnknownError;
|
|
|
789 |
break;
|
|
|
790 |
}
|
|
|
791 |
}
|
|
|
792 |
return r;
|
|
|
793 |
}
|
|
|
794 |
|
|
|
795 |
|
|
|
796 |
qint64 Q3SocketDevice::writeData( const char *data, qint64 len )
|
|
|
797 |
{
|
|
|
798 |
if ( data == 0 && len != 0 ) {
|
|
|
799 |
#if defined(QT_CHECK_NULL) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
800 |
qWarning( "Q3SocketDevice::writeBlock: Null pointer error" );
|
|
|
801 |
#endif
|
|
|
802 |
return -1;
|
|
|
803 |
}
|
|
|
804 |
if ( !isValid() ) {
|
|
|
805 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
806 |
qWarning( "Q3SocketDevice::writeBlock: Invalid socket" );
|
|
|
807 |
#endif
|
|
|
808 |
return -1;
|
|
|
809 |
}
|
|
|
810 |
if ( !isOpen() ) {
|
|
|
811 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
812 |
qWarning( "Q3SocketDevice::writeBlock: Device is not open" );
|
|
|
813 |
#endif
|
|
|
814 |
return -1;
|
|
|
815 |
}
|
|
|
816 |
if ( !isWritable() ) {
|
|
|
817 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
818 |
qWarning( "Q3SocketDevice::writeBlock: Write operation not permitted" );
|
|
|
819 |
#endif
|
|
|
820 |
return -1;
|
|
|
821 |
}
|
|
|
822 |
bool done = false;
|
|
|
823 |
qint64 r = 0;
|
|
|
824 |
while ( !done ) {
|
|
|
825 |
// Don't write more than 64K (see Knowledge Base Q201213).
|
|
|
826 |
r = ::send( fd, data, ( len>64*1024 ? 64*1024 : len ), 0 );
|
|
|
827 |
done = true;
|
|
|
828 |
if ( r == SOCKET_ERROR && e == NoError ) {//&& errno != WSAEAGAIN ) {
|
|
|
829 |
switch( WSAGetLastError() ) {
|
|
|
830 |
case WSANOTINITIALISED:
|
|
|
831 |
e = Impossible;
|
|
|
832 |
break;
|
|
|
833 |
case WSAENETDOWN:
|
|
|
834 |
case WSAEACCES:
|
|
|
835 |
case WSAENETRESET:
|
|
|
836 |
case WSAESHUTDOWN:
|
|
|
837 |
case WSAEHOSTUNREACH:
|
|
|
838 |
e = NetworkFailure;
|
|
|
839 |
break;
|
|
|
840 |
case WSAECONNABORTED:
|
|
|
841 |
case WSAECONNRESET:
|
|
|
842 |
// connection closed
|
|
|
843 |
close();
|
|
|
844 |
r = 0;
|
|
|
845 |
break;
|
|
|
846 |
case WSAEINTR:
|
|
|
847 |
done = false;
|
|
|
848 |
break;
|
|
|
849 |
case WSAEINPROGRESS:
|
|
|
850 |
e = NoResources;
|
|
|
851 |
// ### perhaps try it later?
|
|
|
852 |
break;
|
|
|
853 |
case WSAEFAULT:
|
|
|
854 |
case WSAEOPNOTSUPP:
|
|
|
855 |
e = InternalError;
|
|
|
856 |
break;
|
|
|
857 |
case WSAENOBUFS:
|
|
|
858 |
// ### try later?
|
|
|
859 |
break;
|
|
|
860 |
case WSAEMSGSIZE:
|
|
|
861 |
e = NoResources;
|
|
|
862 |
break;
|
|
|
863 |
case WSAENOTCONN:
|
|
|
864 |
case WSAENOTSOCK:
|
|
|
865 |
case WSAEINVAL:
|
|
|
866 |
e = Impossible;
|
|
|
867 |
break;
|
|
|
868 |
case WSAEWOULDBLOCK:
|
|
|
869 |
r = 0;
|
|
|
870 |
break;
|
|
|
871 |
default:
|
|
|
872 |
e = UnknownError;
|
|
|
873 |
break;
|
|
|
874 |
}
|
|
|
875 |
}
|
|
|
876 |
}
|
|
|
877 |
return r;
|
|
|
878 |
}
|
|
|
879 |
|
|
|
880 |
|
|
|
881 |
Q_LONG Q3SocketDevice::writeBlock( const char * data, Q_ULONG len,
|
|
|
882 |
const QHostAddress & host, quint16 port )
|
|
|
883 |
{
|
|
|
884 |
if ( t != Datagram ) {
|
|
|
885 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
886 |
qWarning( "Q3SocketDevice::sendBlock: Not datagram" );
|
|
|
887 |
#endif
|
|
|
888 |
return -1; // for now - later we can do t/tcp
|
|
|
889 |
}
|
|
|
890 |
|
|
|
891 |
if ( data == 0 && len != 0 ) {
|
|
|
892 |
#if defined(QT_CHECK_NULL) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
893 |
qWarning( "Q3SocketDevice::sendBlock: Null pointer error" );
|
|
|
894 |
#endif
|
|
|
895 |
return -1;
|
|
|
896 |
}
|
|
|
897 |
if ( !isValid() ) {
|
|
|
898 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
899 |
qWarning( "Q3SocketDevice::sendBlock: Invalid socket" );
|
|
|
900 |
#endif
|
|
|
901 |
return -1;
|
|
|
902 |
}
|
|
|
903 |
if ( !isOpen() ) {
|
|
|
904 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
905 |
qWarning( "Q3SocketDevice::sendBlock: Device is not open" );
|
|
|
906 |
#endif
|
|
|
907 |
return -1;
|
|
|
908 |
}
|
|
|
909 |
if ( !isWritable() ) {
|
|
|
910 |
#if defined(QT_CHECK_STATE) || defined(QSOCKETDEVICE_DEBUG)
|
|
|
911 |
qWarning( "Q3SocketDevice::sendBlock: Write operation not permitted" );
|
|
|
912 |
#endif
|
|
|
913 |
return -1;
|
|
|
914 |
}
|
|
|
915 |
struct sockaddr_in a4;
|
|
|
916 |
struct sockaddr *aa;
|
|
|
917 |
SOCKLEN_T slen;
|
|
|
918 |
#if !defined(QT_NO_IPV6)
|
|
|
919 |
qt_sockaddr_in6 a6;
|
|
|
920 |
if ( initialized >= 0x20 && host.isIPv6Address() ) {
|
|
|
921 |
memset( &a6, 0, sizeof(a6) );
|
|
|
922 |
a6.sin6_family = AF_INET6;
|
|
|
923 |
a6.sin6_port = htons( port );
|
|
|
924 |
|
|
|
925 |
Q_IPV6ADDR tmp = host.toIPv6Address();
|
|
|
926 |
memcpy( &a6.sin6_addr.qt_s6_addr, &tmp, sizeof(tmp) );
|
|
|
927 |
slen = sizeof( a6 );
|
|
|
928 |
aa = (struct sockaddr *)&a6;
|
|
|
929 |
} else
|
|
|
930 |
#endif
|
|
|
931 |
if ( host.isIPv4Address() ) {
|
|
|
932 |
|
|
|
933 |
memset( &a4, 0, sizeof(a4) );
|
|
|
934 |
a4.sin_family = AF_INET;
|
|
|
935 |
a4.sin_port = htons( port );
|
|
|
936 |
a4.sin_addr.s_addr = htonl( host.toIPv4Address() );
|
|
|
937 |
slen = sizeof(a4);
|
|
|
938 |
aa = (struct sockaddr *)&a4;
|
|
|
939 |
} else {
|
|
|
940 |
e = Impossible;
|
|
|
941 |
return -1;
|
|
|
942 |
}
|
|
|
943 |
|
|
|
944 |
// we'd use MSG_DONTWAIT + MSG_NOSIGNAL if Stevens were right.
|
|
|
945 |
// but apparently Stevens and most implementors disagree
|
|
|
946 |
bool done = false;
|
|
|
947 |
qint64 r = 0;
|
|
|
948 |
while ( !done ) {
|
|
|
949 |
r = ::sendto( fd, data, len, 0, aa, slen );
|
|
|
950 |
done = true;
|
|
|
951 |
if ( r == SOCKET_ERROR && e == NoError ) {//&& e != EAGAIN ) {
|
|
|
952 |
switch( WSAGetLastError() ) {
|
|
|
953 |
case WSANOTINITIALISED:
|
|
|
954 |
e = Impossible;
|
|
|
955 |
break;
|
|
|
956 |
case WSAENETDOWN:
|
|
|
957 |
case WSAEACCES:
|
|
|
958 |
case WSAENETRESET:
|
|
|
959 |
case WSAESHUTDOWN:
|
|
|
960 |
case WSAEHOSTUNREACH:
|
|
|
961 |
case WSAECONNABORTED:
|
|
|
962 |
case WSAECONNRESET:
|
|
|
963 |
case WSAEADDRNOTAVAIL:
|
|
|
964 |
case WSAENETUNREACH:
|
|
|
965 |
case WSAETIMEDOUT:
|
|
|
966 |
e = NetworkFailure;
|
|
|
967 |
break;
|
|
|
968 |
case WSAEINTR:
|
|
|
969 |
done = false;
|
|
|
970 |
break;
|
|
|
971 |
case WSAEINPROGRESS:
|
|
|
972 |
e = NoResources;
|
|
|
973 |
// ### perhaps try it later?
|
|
|
974 |
break;
|
|
|
975 |
case WSAEFAULT:
|
|
|
976 |
case WSAEOPNOTSUPP:
|
|
|
977 |
case WSAEAFNOSUPPORT:
|
|
|
978 |
e = InternalError;
|
|
|
979 |
break;
|
|
|
980 |
case WSAENOBUFS:
|
|
|
981 |
case WSAEMSGSIZE:
|
|
|
982 |
e = NoResources;
|
|
|
983 |
break;
|
|
|
984 |
case WSAENOTCONN:
|
|
|
985 |
case WSAENOTSOCK:
|
|
|
986 |
case WSAEINVAL:
|
|
|
987 |
case WSAEDESTADDRREQ:
|
|
|
988 |
e = Impossible;
|
|
|
989 |
break;
|
|
|
990 |
case WSAEWOULDBLOCK:
|
|
|
991 |
r = 0;
|
|
|
992 |
break;
|
|
|
993 |
default:
|
|
|
994 |
e = UnknownError;
|
|
|
995 |
break;
|
|
|
996 |
}
|
|
|
997 |
}
|
|
|
998 |
}
|
|
|
999 |
return r;
|
|
|
1000 |
}
|
|
|
1001 |
|
|
|
1002 |
|
|
|
1003 |
void Q3SocketDevice::fetchConnectionParameters()
|
|
|
1004 |
{
|
|
|
1005 |
if ( !isValid() ) {
|
|
|
1006 |
p = 0;
|
|
|
1007 |
a = QHostAddress();
|
|
|
1008 |
pp = 0;
|
|
|
1009 |
pa = QHostAddress();
|
|
|
1010 |
return;
|
|
|
1011 |
}
|
|
|
1012 |
#if !defined (QT_NO_IPV6)
|
|
|
1013 |
struct qt_sockaddr_storage sa;
|
|
|
1014 |
#else
|
|
|
1015 |
struct sockaddr_in sa;
|
|
|
1016 |
#endif
|
|
|
1017 |
memset( &sa, 0, sizeof(sa) );
|
|
|
1018 |
SOCKLEN_T sz;
|
|
|
1019 |
sz = sizeof( sa );
|
|
|
1020 |
if ( !::getsockname( fd, (struct sockaddr *)(&sa), &sz ) )
|
|
|
1021 |
qt_socket_getportaddr( (struct sockaddr *)(&sa), &p, &a );
|
|
|
1022 |
pp = 0;
|
|
|
1023 |
pa = QHostAddress();
|
|
|
1024 |
}
|
|
|
1025 |
|
|
|
1026 |
|
|
|
1027 |
void Q3SocketDevice::fetchPeerConnectionParameters()
|
|
|
1028 |
{
|
|
|
1029 |
// do the getpeername() lazy on Windows (sales/arc-18/37759 claims that
|
|
|
1030 |
// there will be problems otherwise if you use MS Proxy server)
|
|
|
1031 |
#if !defined (QT_NO_IPV6)
|
|
|
1032 |
struct qt_sockaddr_storage sa;
|
|
|
1033 |
#else
|
|
|
1034 |
struct sockaddr_in sa;
|
|
|
1035 |
#endif
|
|
|
1036 |
memset( &sa, 0, sizeof(sa) );
|
|
|
1037 |
SOCKLEN_T sz;
|
|
|
1038 |
sz = sizeof( sa );
|
|
|
1039 |
if ( !::getpeername( fd, (struct sockaddr *)(&sa), &sz ) )
|
|
|
1040 |
qt_socket_getportaddr( (struct sockaddr *)(&sa), &pp, &pa );
|
|
|
1041 |
}
|
|
|
1042 |
|
|
|
1043 |
quint16 Q3SocketDevice::peerPort() const
|
|
|
1044 |
{
|
|
|
1045 |
if ( pp==0 && isValid() ) {
|
|
|
1046 |
Q3SocketDevice *that = (Q3SocketDevice*)this; // mutable
|
|
|
1047 |
that->fetchPeerConnectionParameters();
|
|
|
1048 |
}
|
|
|
1049 |
return pp;
|
|
|
1050 |
}
|
|
|
1051 |
|
|
|
1052 |
|
|
|
1053 |
QHostAddress Q3SocketDevice::peerAddress() const
|
|
|
1054 |
{
|
|
|
1055 |
if ( pp==0 && isValid() ) {
|
|
|
1056 |
Q3SocketDevice *that = (Q3SocketDevice*)this; // mutable
|
|
|
1057 |
that->fetchPeerConnectionParameters();
|
|
|
1058 |
}
|
|
|
1059 |
return pa;
|
|
|
1060 |
}
|
|
|
1061 |
|
|
|
1062 |
QT_END_NAMESPACE
|