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authorMichele Calgaro <michele.calgaro@yahoo.it>2024-07-10 18:56:16 +0900
committerMichele Calgaro <michele.calgaro@yahoo.it>2024-07-10 18:56:16 +0900
commit252a2ec8b0f0f9cf20c947737087b24a8185b588 (patch)
treeb48be8863db3bc1c223ac270a258b5c1124cb0e3 /src/network/qsocketdevice.cpp
parent87d29563e3ccdeb7fea0197e262e667ef323ff9c (diff)
downloadtqt3-252a2ec8b0f0f9cf20c947737087b24a8185b588.tar.gz
tqt3-252a2ec8b0f0f9cf20c947737087b24a8185b588.zip
Rename IO and network class nt* related files to equivalent tq*
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'src/network/qsocketdevice.cpp')
-rw-r--r--src/network/qsocketdevice.cpp576
1 files changed, 0 insertions, 576 deletions
diff --git a/src/network/qsocketdevice.cpp b/src/network/qsocketdevice.cpp
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-/****************************************************************************
-**
-** Implementation of TQSocketDevice class.
-**
-** Created : 970521
-**
-** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
-**
-** This file is part of the network module of the TQt GUI Toolkit.
-**
-** This file may be used under the terms of the GNU General
-** Public License versions 2.0 or 3.0 as published by the Free
-** Software Foundation and appearing in the files LICENSE.GPL2
-** and LICENSE.GPL3 included in the packaging of this file.
-** Alternatively you may (at your option) use any later version
-** of the GNU General Public License if such license has been
-** publicly approved by Trolltech ASA (or its successors, if any)
-** and the KDE Free TQt Foundation.
-**
-** Please review the following information to ensure GNU General
-** Public Licensing requirements will be met:
-** http://trolltech.com/products/qt/licenses/licensing/opensource/.
-** If you are unsure which license is appropriate for your use, please
-** review the following information:
-** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
-** or contact the sales department at sales@trolltech.com.
-**
-** This file may be used under the terms of the Q Public License as
-** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
-** included in the packaging of this file. Licensees holding valid TQt
-** Commercial licenses may use this file in accordance with the TQt
-** Commercial License Agreement provided with the Software.
-**
-** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
-** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
-** herein.
-**
-**********************************************************************/
-
-#include "ntqsocketdevice.h"
-#ifndef TQT_NO_NETWORK
-
-#include "ntqwindowdefs.h"
-#include <string.h>
-
-
-//#define TQSOCKETDEVICE_DEBUG
-
-
-class TQSocketDevicePrivate
-{
-public:
- TQSocketDevicePrivate( TQSocketDevice::Protocol p )
- : protocol(p)
- { }
-
- TQSocketDevice::Protocol protocol;
-};
-
-
-/*!
- \class TQSocketDevice ntqsocketdevice.h
- \brief The TQSocketDevice class provides a platform-independent low-level socket API.
-\if defined(commercial)
- It is part of the <a href="commercialeditions.html">TQt Enterprise Edition</a>.
-\endif
-
- \ingroup io
- \module network
-
- This class provides a low level API for working with sockets. Users of
- this class are assumed to have networking experience. For most users the
- TQSocket class provides a much easier and high level alternative, but
- certain things (like UDP) can't be done with TQSocket and if you need a
- platform-independent API for those, TQSocketDevice is the right choice.
-
- The essential purpose of the class is to provide a TQIODevice that
- works on sockets, wrapped in a platform-independent API.
-
- When calling connect() or bind(), TQSocketDevice detects the
- protocol family (IPv4, IPv6) automatically. Passing the protocol
- family to TQSocketDevice's constructor or to setSocket() forces
- creation of a socket device of a specific protocol. If not set, the
- protocol will be detected at the first call to connect() or bind().
-
- \sa TQSocket, TQSocketNotifier, TQHostAddress
-*/
-
-
-/*!
- \enum TQSocketDevice::Protocol
-
- This enum type describes the protocol family of the socket. Possible values
- are:
-
- \value IPv4 The socket is an IPv4 socket.
- \value IPv6 The socket is an IPv6 socket.
- \value Unknown The protocol family of the socket is not known. This can
- happen if you use TQSocketDevice with an already existing socket; it
- tries to determine the protocol family, but this can fail if the
- protocol family is not known to TQSocketDevice.
-
- \sa protocol() setSocket()
-*/
-
-/*!
- \enum TQSocketDevice::Error
-
- This enum type describes the error states of TQSocketDevice.
-
- \value NoError No error has occurred.
-
- \value AlreadyBound The device is already bound, according to bind().
-
- \value Inaccessible The operating system or firewall prohibited
- the action.
-
- \value NoResources The operating system ran out of a resource.
-
- \value InternalError An internal error occurred in TQSocketDevice.
-
- \value Impossible An attempt was made to do something which makes
- no sense. For example:
- \code
- ::close( sd->socket() );
- sd->writeBlock( someData, 42 );
- \endcode
- The libc ::close() closes the socket, but TQSocketDevice is not aware
- of this. So when you call writeBlock(), the impossible happens.
-
- \value NoFiles The operating system will not let TQSocketDevice open
- another file.
-
- \value ConnectionRefused A connection attempt was rejected by the
- peer.
-
- \value NetworkFailure There is a network failure.
-
- \value UnknownError The operating system did something
- unexpected.
-*/
-
-/*!
- \enum TQSocketDevice::Type
-
- This enum type describes the type of the socket:
- \value Stream a stream socket (TCP, usually)
- \value Datagram a datagram socket (UDP, usually)
-*/
-
-
-/*!
- Creates a TQSocketDevice object for the existing socket \a socket.
-
- The \a type argument must match the actual socket type; use \c
- TQSocketDevice::Stream for a reliable, connection-oriented TCP
- socket, or \c TQSocketDevice::Datagram for an unreliable,
- connectionless UDP socket.
-*/
-TQSocketDevice::TQSocketDevice( int socket, Type type )
- : fd( socket ), t( type ), p( 0 ), pp( 0 ), e( NoError ),
- d(new TQSocketDevicePrivate(Unknown))
-{
-#if defined(TQSOCKETDEVICE_DEBUG)
- tqDebug( "TQSocketDevice: Created TQSocketDevice %p (socket %x, type %d)",
- this, socket, type );
-#endif
- init();
- setSocket( socket, type );
-}
-
-/*!
- Creates a TQSocketDevice object for a stream or datagram socket.
-
- The \a type argument must be either \c TQSocketDevice::Stream for a
- reliable, connection-oriented TCP socket, or \c
- TQSocketDevice::Datagram for an unreliable UDP socket.
-
- The socket is created as an IPv4 socket.
-
- \sa blocking() protocol()
-*/
-TQSocketDevice::TQSocketDevice( Type type )
- : fd( -1 ), t( type ), p( 0 ), pp( 0 ), e( NoError ),
- d(new TQSocketDevicePrivate(IPv4))
-{
-#if defined(TQSOCKETDEVICE_DEBUG)
- tqDebug( "TQSocketDevice: Created TQSocketDevice object %p, type %d",
- this, type );
-#endif
- init();
- setSocket( createNewSocket(), type );
-}
-
-/*!
- Creates a TQSocketDevice object for a stream or datagram socket.
-
- The \a type argument must be either \c TQSocketDevice::Stream for a
- reliable, connection-oriented TCP socket, or \c
- TQSocketDevice::Datagram for an unreliable UDP socket.
-
- The \a protocol indicates whether the socket should be of type IPv4
- or IPv6. Passing \c Unknown is not meaningful in this context and you
- should avoid using (it creates an IPv4 socket, but your code is not easily
- readable).
-
- The argument \a dummy is necessary for compatibility with some
- compilers.
-
- \sa blocking() protocol()
-*/
-TQSocketDevice::TQSocketDevice( Type type, Protocol protocol, int )
- : fd( -1 ), t( type ), p( 0 ), pp( 0 ), e( NoError ),
- d(new TQSocketDevicePrivate(protocol))
-{
-#if defined(TQSOCKETDEVICE_DEBUG)
- tqDebug( "TQSocketDevice: Created TQSocketDevice object %p, type %d",
- this, type );
-#endif
- init();
- setSocket( createNewSocket(), type );
-}
-
-/*!
- Destroys the socket device and closes the socket if it is open.
-*/
-TQSocketDevice::~TQSocketDevice()
-{
- close();
- delete d;
- d = 0;
-#if defined(TQSOCKETDEVICE_DEBUG)
- tqDebug( "TQSocketDevice: Destroyed TQSocketDevice %p", this );
-#endif
-}
-
-
-/*!
- Returns TRUE if this is a valid socket; otherwise returns FALSE.
-
- \sa socket()
-*/
-bool TQSocketDevice::isValid() const
-{
- return fd != -1;
-}
-
-
-/*!
- \fn Type TQSocketDevice::type() const
-
- Returns the socket type which is either \c TQSocketDevice::Stream
- or \c TQSocketDevice::Datagram.
-
- \sa socket()
-*/
-TQSocketDevice::Type TQSocketDevice::type() const
-{
- return t;
-}
-
-/*!
- Returns the socket's protocol family, which is one of \c Unknown, \c IPv4,
- or \c IPv6.
-
- TQSocketDevice either creates a socket with a well known protocol family or
- it uses an already existing socket. In the first case, this function
- returns the protocol family it was constructed with. In the second case, it
- tries to determine the protocol family of the socket; if this fails, it
- returns \c Unknown.
-
- \sa Protocol setSocket()
-*/
-TQSocketDevice::Protocol TQSocketDevice::protocol() const
-{
- if ( d->protocol == Unknown )
- d->protocol = getProtocol();
- return d->protocol;
-}
-
-/*!
- Returns the socket number, or -1 if it is an invalid socket.
-
- \sa isValid(), type()
-*/
-int TQSocketDevice::socket() const
-{
- return fd;
-}
-
-
-/*!
- Sets the socket device to operate on the existing socket \a
- socket.
-
- The \a type argument must match the actual socket type; use \c
- TQSocketDevice::Stream for a reliable, connection-oriented TCP
- socket, or \c TQSocketDevice::Datagram for an unreliable,
- connectionless UDP socket.
-
- Any existing socket is closed.
-
- \sa isValid(), close()
-*/
-void TQSocketDevice::setSocket( int socket, Type type )
-{
- if ( fd != -1 ) // close any open socket
- close();
-#if defined(TQSOCKETDEVICE_DEBUG)
- tqDebug( "TQSocketDevice::setSocket: socket %x, type %d", socket, type );
-#endif
- t = type;
- fd = socket;
- d->protocol = Unknown;
- e = NoError;
- setFlags( IO_Sequential );
- resetStatus();
- open( IO_ReadWrite );
- fetchConnectionParameters();
-}
-
-
-/*!
- \reimp
-
- Opens the socket using the specified TQIODevice file \a mode. This
- function is called from the TQSocketDevice constructors and from
- the setSocket() function. You should not call it yourself.
-
- \sa close().
-*/
-bool TQSocketDevice::open( int mode )
-{
- if ( isOpen() || !isValid() )
- return FALSE;
-#if defined(TQSOCKETDEVICE_DEBUG)
- tqDebug( "TQSocketDevice::open: mode %x", mode );
-#endif
- setMode( mode & IO_ReadWrite );
- setState( IO_Open );
- return TRUE;
-}
-
-
-/*!
- \reimp
-
- The current TQSocketDevice implementation does not buffer at all,
- so this is a no-op.
-*/
-void TQSocketDevice::flush()
-{
-}
-
-
-/*!
- \reimp
-
- The size is meaningless for a socket, therefore this function returns 0.
-*/
-TQIODevice::Offset TQSocketDevice::size() const
-{
- return 0;
-}
-
-
-/*!
- \reimp
-
- The read/write index is meaningless for a socket, therefore this
- function returns 0.
-*/
-TQIODevice::Offset TQSocketDevice::at() const
-{
- return 0;
-}
-
-
-/*!
- \reimp
-
- The read/write index is meaningless for a socket, therefore this
- function does nothing and returns TRUE.
-*/
-bool TQSocketDevice::at( Offset )
-{
- return TRUE;
-}
-
-
-/*!
- \reimp
-
- Returns TRUE if no data is currently available at the socket;
- otherwise returns FALSE.
-*/
-bool TQSocketDevice::atEnd() const
-{
- return bytesAvailable() <= 0;
-}
-
-
-/*!
- \reimp
-
- \warning getch() is implemented as a one-byte readBlock(), so it
- may be very slow if you call it more than a few times.
-
- \sa putch() readBlock()
-*/
-int TQSocketDevice::getch()
-{
- char buf[2];
- return readBlock(buf,1) == 1 ? buf[0] : -1;
-}
-
-
-/*!
- \reimp
-
- \warning putch() is implemented as a one-byte writeBlock(), so it
- may be very slow if you call it more than a few times.
-
- \sa getch()
-*/
-int TQSocketDevice::putch( int ch )
-{
- char buf[2];
- buf[0] = ch;
- return writeBlock(buf, 1) == 1 ? ch : -1;
-}
-
-
-/*!
- \reimp
-
- This implementation of ungetch returns -1 (error). A socket is a
- sequential device and does not allow any ungetch operation.
-*/
-int TQSocketDevice::ungetch( int )
-{
- return -1;
-}
-
-
-/*!
- Returns TRUE if the address of this socket can be used by other
- sockets at the same time, and FALSE if this socket claims
- exclusive ownership.
-
- \sa setAddressReusable()
-*/
-bool TQSocketDevice::addressReusable() const
-{
- return option( ReuseAddress );
-}
-
-
-/*!
- Sets the address of this socket to be usable by other sockets too
- if \a enable is TRUE, and to be used exclusively by this socket if
- \a enable is FALSE.
-
- When a socket is reusable, other sockets can use the same port
- number (and IP address), which is generally useful. Of course
- other sockets cannot use the same
- (address,port,peer-address,peer-port) 4-tuple as this socket, so
- there is no risk of confusing the two TCP connections.
-
- \sa addressReusable()
-*/
-void TQSocketDevice::setAddressReusable( bool enable )
-{
- setOption( ReuseAddress, enable );
-}
-
-
-/*!
- Returns the size of the operating system receive buffer.
-
- \sa setReceiveBufferSize()
-*/
-int TQSocketDevice::receiveBufferSize() const
-{
- return option( ReceiveBuffer );
-}
-
-
-/*!
- Sets the size of the operating system receive buffer to \a size.
-
- The operating system receive buffer size effectively limits two
- things: how much data can be in transit at any one moment, and how
- much data can be received in one iteration of the main event loop.
-
- The default is operating system-dependent. A socket that receives
- large amounts of data is probably best with a buffer size of
- 49152.
-*/
-void TQSocketDevice::setReceiveBufferSize( uint size )
-{
- setOption( ReceiveBuffer, size );
-}
-
-
-/*!
- Returns the size of the operating system send buffer.
-
- \sa setSendBufferSize()
-*/
-int TQSocketDevice::sendBufferSize() const
-{
- return option( SendBuffer );
-}
-
-
-/*!
- Sets the size of the operating system send buffer to \a size.
-
- The operating system send buffer size effectively limits how much
- data can be in transit at any one moment.
-
- The default is operating system-dependent. A socket that sends
- large amounts of data is probably best with a buffer size of
- 49152.
-*/
-void TQSocketDevice::setSendBufferSize( uint size )
-{
- setOption( SendBuffer, size );
-}
-
-
-/*!
- Returns the port number of this socket device. This may be 0 for a
- while, but is set to something sensible as soon as a sensible
- value is available.
-
- Note that TQt always uses native byte order, i.e. 67 is 67 in TQt;
- there is no need to call htons().
-*/
-TQ_UINT16 TQSocketDevice::port() const
-{
- return p;
-}
-
-
-/*!
- Returns the address of this socket device. This may be 0.0.0.0 for
- a while, but is set to something sensible as soon as a sensible
- value is available.
-*/
-TQHostAddress TQSocketDevice::address() const
-{
- return a;
-}
-
-
-/*!
- Returns the first error seen.
-*/
-TQSocketDevice::Error TQSocketDevice::error() const
-{
- return e;
-}
-
-
-/*!
- Allows subclasses to set the error state to \a err.
-*/
-void TQSocketDevice::setError( Error err )
-{
- e = err;
-}
-#endif //TQT_NO_NETWORK
-