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174 lines
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174 lines
9.0 KiB
13 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/network/tqserversocket.cpp:53 -->
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13 years ago
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQServerSocket Class</title>
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<style type="text/css"><!--
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--></style>
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr bgcolor="#E5E5E5">
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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<font color="#004faf">Main Classes</font></a>
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<font color="#004faf">Annotated</font></a>
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<font color="#004faf">Grouped Classes</font></a>
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<font color="#004faf">Functions</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQServerSocket Class Reference<br><small>[<a href="network.html">network module</a>]</small></h1>
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<p>The TQServerSocket class provides a TCP-based server.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="tqserversocket-h.html">tqserversocket.h</a>></tt>
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<p>Inherits <a href="tqobject.html">TQObject</a>.
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<p><a href="tqserversocket-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQServerSocket"><b>TQServerSocket</b></a> ( TQ_UINT16 port, int backlog = 1, TQObject * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#TQServerSocket-2"><b>TQServerSocket</b></a> ( const TQHostAddress & address, TQ_UINT16 port, int backlog = 1, TQObject * parent = 0, const char * name = 0 )</li>
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<li class=fn><a href="#TQServerSocket-3"><b>TQServerSocket</b></a> ( TQObject * parent = 0, const char * name = 0 )</li>
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<li class=fn>virtual <a href="#~TQServerSocket"><b>~TQServerSocket</b></a> ()</li>
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<li class=fn>bool <a href="#ok"><b>ok</b></a> () const</li>
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<li class=fn>TQ_UINT16 <a href="#port"><b>port</b></a> () const</li>
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<li class=fn>int <a href="#socket"><b>socket</b></a> () const</li>
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<li class=fn>virtual void <a href="#setSocket"><b>setSocket</b></a> ( int socket )</li>
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<li class=fn>TQHostAddress <a href="#address"><b>address</b></a> () const</li>
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<li class=fn>virtual void <a href="#newConnection"><b>newConnection</b></a> ( int socket ) = 0</li>
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</ul>
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<h2>Protected Members</h2>
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<ul>
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<li class=fn>TQSocketDevice * <a href="#socketDevice"><b>socketDevice</b></a> ()</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQServerSocket class provides a TCP-based server.
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<p>
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<p> This class is a convenience class for accepting incoming TCP
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connections. You can specify the port or have TQServerSocket pick
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one, and listen on just one address or on all the machine's
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addresses.
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<p> Using the API is very simple: subclass TQServerSocket, call the
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constructor of your choice, and implement <a href="#newConnection">newConnection</a>() to
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handle new incoming connections. There is nothing more to do.
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<p> (Note that due to lack of support in the underlying APIs,
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TQServerSocket cannot accept or reject connections conditionally.)
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<p> <p>See also <a href="tqsocket.html">TQSocket</a>, <a href="tqsocketdevice.html">TQSocketDevice</a>, <a href="tqhostaddress.html">TQHostAddress</a>, <a href="tqsocketnotifier.html">TQSocketNotifier</a>, and <a href="io.html">Input/Output and Networking</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQServerSocket"></a>TQServerSocket::TQServerSocket ( TQ_UINT16 port, int backlog = 1, <a href="tqobject.html">TQObject</a> * parent = 0, const char * name = 0 )
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</h3>
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Creates a server socket object, that will serve the given <em>port</em>
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on all the addresses of this host. If <em>port</em> is 0, TQServerSocket
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will pick a suitable port in a system-dependent manner. Use <em>backlog</em> to specify how many pending connections the server can
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have.
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<p> The <em>parent</em> and <em>name</em> arguments are passed on to the <a href="tqobject.html">TQObject</a>
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constructor.
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<p> <b>Warning:</b> On Tru64 Unix systems a value of 0 for <em>backlog</em> means
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that you don't accept any connections at all; you should specify a
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value larger than 0.
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<h3 class=fn><a name="TQServerSocket-2"></a>TQServerSocket::TQServerSocket ( const <a href="tqhostaddress.html">TQHostAddress</a> & address, TQ_UINT16 port, int backlog = 1, <a href="tqobject.html">TQObject</a> * parent = 0, const char * name = 0 )
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</h3>
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Creates a server socket object, that will serve the given <em>port</em>
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only on the given <em>address</em>. Use <em>backlog</em> to specify how many
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pending connections the server can have.
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<p> The <em>parent</em> and <em>name</em> arguments are passed on to the <a href="tqobject.html">TQObject</a>
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constructor.
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<p> <b>Warning:</b> On Tru64 Unix systems a value of 0 for <em>backlog</em> means
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that you don't accept any connections at all; you should specify a
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value larger than 0.
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<h3 class=fn><a name="TQServerSocket-3"></a>TQServerSocket::TQServerSocket ( <a href="tqobject.html">TQObject</a> * parent = 0, const char * name = 0 )
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</h3>
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Construct an empty server socket.
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<p> This constructor, in combination with <a href="#setSocket">setSocket</a>(), allows us to
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use the TQServerSocket class as a wrapper for other socket types
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(e.g. Unix Domain Sockets under Unix).
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<p> The <em>parent</em> and <em>name</em> arguments are passed on to the <a href="tqobject.html">TQObject</a>
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constructor.
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<p> <p>See also <a href="#setSocket">setSocket</a>().
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<h3 class=fn><a name="~TQServerSocket"></a>TQServerSocket::~TQServerSocket ()<tt> [virtual]</tt>
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</h3>
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Destroys the socket.
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<p> This causes any backlogged connections (connections that have
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reached the host, but not yet been completely set up by calling
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<a href="tqsocketdevice.html#accept">TQSocketDevice::accept</a>()) to be severed.
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<p> Existing connections continue to exist; this only affects the
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acceptance of new connections.
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<h3 class=fn><a href="tqhostaddress.html">TQHostAddress</a> <a name="address"></a>TQServerSocket::address () const
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</h3>
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Returns the address on which this object listens, or 0.0.0.0 if
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this object listens on more than one address. <a href="#ok">ok</a>() must be TRUE
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before calling this function.
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<p> <p>See also <a href="#port">port</a>() and <a href="tqsocketdevice.html#address">TQSocketDevice::address</a>().
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<h3 class=fn>void <a name="newConnection"></a>TQServerSocket::newConnection ( int socket )<tt> [pure virtual]</tt>
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</h3>
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<p> This pure virtual function is responsible for setting up a new
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incoming connection. <em>socket</em> is the fd (file descriptor) for the
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newly accepted connection.
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<h3 class=fn>bool <a name="ok"></a>TQServerSocket::ok () const
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</h3>
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Returns TRUE if the construction succeeded; otherwise returns FALSE.
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<h3 class=fn>TQ_UINT16 <a name="port"></a>TQServerSocket::port () const
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</h3>
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Returns the port number on which this server socket listens. This
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is always non-zero; if you specify 0 in the constructor,
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TQServerSocket will pick a non-zero port itself. <a href="#ok">ok</a>() must be TRUE
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before calling this function.
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<p> <p>See also <a href="#address">address</a>() and <a href="tqsocketdevice.html#port">TQSocketDevice::port</a>().
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<p>Example: <a href="httpd-example.html#x726">network/httpd/httpd.cpp</a>.
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<h3 class=fn>void <a name="setSocket"></a>TQServerSocket::setSocket ( int socket )<tt> [virtual]</tt>
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</h3>
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Sets the socket to use <em>socket</em>. bind() and listen() should
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already have been called for <em>socket</em>.
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<p> This allows us to use the TQServerSocket class as a wrapper for
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other socket types (e.g. Unix Domain Sockets).
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<h3 class=fn>int <a name="socket"></a>TQServerSocket::socket () const
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</h3>
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Returns the operating system socket.
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<h3 class=fn><a href="tqsocketdevice.html">TQSocketDevice</a> * <a name="socketDevice"></a>TQServerSocket::socketDevice ()<tt> [protected]</tt>
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</h3>
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Returns a pointer to the internal socket device. The returned
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pointer is 0 if there is no connection or pending connection.
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<p> There is normally no need to manipulate the socket device directly
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since this class does all the necessary setup for most client or
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server socket applications.
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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</html>
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