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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qtnetwork.html">QtNetwork</a></li> <li>QAbstractSocket</li> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">Qt 3 Support Members for QAbstractSocket</h1> <p><b>The following class members are part of the <a href="qt3support.html">Qt 3 support layer</a>.</b> They are provided to help you port old code to Qt 4. We advise against using them in new code.</p> <p><ul><li><a href="qabstractsocket.html">QAbstractSocket class reference</a></li></ul></p> <h2>Public Types</h2> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#Error-enum">Error</a></b> { ErrConnectionRefused, ErrHostNotFound, ErrSocketRead }</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#State-typedef">State</a></b></td></tr> </table> <h2>Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#setSocket">setSocket</a></b> ( int <i>socket</i> )</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#socket">socket</a></b> () const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> qulonglong </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#waitForMore">waitForMore</a></b> ( int <i>msecs</i>, bool * <i>timeout</i> = 0 ) const</td></tr> </table> <ul> <li class="fn">22 public functions inherited from <a href="qiodevice.html#public-functions">QIODevice</a></li> <li class="fn">8 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li> </ul> <h2>Signals</h2> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#connectionClosed">connectionClosed</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#delayedCloseFinished">delayedCloseFinished</a></b> ()</td></tr> </table> <h2>Member Type Documentation</h2> <!-- $$$Error$$$ErrConnectionRefused$$$ErrHostNotFound$$$ErrSocketRead --> <h3 class="fn"><a name="Error-enum"></a>enum QAbstractSocket::<span class="name">Error</span></h3> <p>Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::SocketError</a> instead.</p> <table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr> <tr><td class="topAlign"><tt>QAbstractSocket::ErrConnectionRefused</tt></td><td class="topAlign"><tt>ConnectionRefusedError</tt></td><td class="topAlign">Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::ConnectionRefusedError</a> instead.</td></tr> <tr><td class="topAlign"><tt>QAbstractSocket::ErrHostNotFound</tt></td><td class="topAlign"><tt>HostNotFoundError</tt></td><td class="topAlign">Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::HostNotFoundError</a> instead.</td></tr> <tr><td class="topAlign"><tt>QAbstractSocket::ErrSocketRead</tt></td><td class="topAlign"><tt>UnknownSocketError</tt></td><td class="topAlign">Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::UnknownSocketError</a> instead.</td></tr> </table> <!-- @@@Error --> <!-- $$$State --> <h3 class="fn"><a name="State-typedef"></a>typedef QAbstractSocket::<span class="name">State</span></h3> <p>Use <a href="qabstractsocket.html#SocketState-enum">QAbstractSocket::SocketState</a> instead.</p> <table class="generic"> <thead><tr class="qt-style"><th >Qt 3 enum value</th><th >Qt 4 enum value</th></tr></thead> <tr valign="top" class="odd"><td ><tt>Idle</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">UnconnectedState</a></td></tr> <tr valign="top" class="even"><td ><tt>HostLookup</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">HostLookupState</a></td></tr> <tr valign="top" class="odd"><td ><tt>Connecting</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ConnectingState</a></td></tr> <tr valign="top" class="even"><td ><tt>Connected</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ConnectedState</a></td></tr> <tr valign="top" class="odd"><td ><tt>Closing</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ClosingState</a></td></tr> <tr valign="top" class="even"><td ><tt>Connection</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ConnectedState</a></td></tr> </table> <!-- @@@State --> <h2>Member Function Documentation</h2> <!-- $$$connectionClosed[overload1]$$$connectionClosed --> <h3 class="fn"><a name="connectionClosed"></a><span class="type">void</span> QAbstractSocket::<span class="name">connectionClosed</span> ()<tt> [signal]</tt></h3> <p>Use <a href="qabstractsocket.html#disconnected">disconnected</a>() instead.</p> <!-- @@@connectionClosed --> <!-- $$$delayedCloseFinished[overload1]$$$delayedCloseFinished --> <h3 class="fn"><a name="delayedCloseFinished"></a><span class="type">void</span> QAbstractSocket::<span class="name">delayedCloseFinished</span> ()<tt> [signal]</tt></h3> <p>Use <a href="qabstractsocket.html#disconnected">disconnected</a>() instead.</p> <!-- @@@delayedCloseFinished --> <!-- $$$setSocket[overload1]$$$setSocketint --> <h3 class="fn"><a name="setSocket"></a><span class="type">void</span> QAbstractSocket::<span class="name">setSocket</span> ( <span class="type">int</span> <i>socket</i> )</h3> <p>Use <a href="qabstractsocket.html#setSocketDescriptor">setSocketDescriptor</a>() instead.</p> <p><b>See also </b><a href="qabstractsocket-qt3.html#socket">socket</a>().</p> <!-- @@@setSocket --> <!-- $$$socket[overload1]$$$socket --> <h3 class="fn"><a name="socket"></a><span class="type">int</span> QAbstractSocket::<span class="name">socket</span> () const</h3> <p>Use <a href="qabstractsocket.html#socketDescriptor">socketDescriptor</a>() instead.</p> <p><b>See also </b><a href="qabstractsocket-qt3.html#setSocket">setSocket</a>().</p> <!-- @@@socket --> <!-- $$$waitForMore[overload1]$$$waitForMoreintbool* --> <h3 class="fn"><a name="waitForMore"></a><span class="type"><a href="qtglobal.html#qulonglong-typedef">qulonglong</a></span> QAbstractSocket::<span class="name">waitForMore</span> ( <span class="type">int</span> <i>msecs</i>, <span class="type">bool</span> * <i>timeout</i> = 0 ) const</h3> <p>Use <a href="qabstractsocket.html#waitForReadyRead">waitForReadyRead</a>() instead.</p> <p>For example, if you have code like</p> <pre class="cpp"> bool timeout; Q_ULONG numBytes = socket->waitForMore(30000, &timeout);</pre> <p>you can rewrite it as</p> <pre class="cpp"> <span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> numBytes <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">if</span> (socket<span class="operator">-</span><span class="operator">></span>waitForReadyRead(msecs)) numBytes <span class="operator">=</span> socket<span class="operator">-</span><span class="operator">></span><a href="qabstractsocket.html#bytesAvailable">bytesAvailable</a>(); <span class="type">bool</span> timeout <span class="operator">=</span> (error() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qabstractsocket.html">QAbstractSocket</a></span><span class="operator">::</span>SocketTimeoutError);</pre> <p><b>See also </b><a href="qabstractsocket.html#waitForReadyRead">waitForReadyRead</a>(), <a href="qabstractsocket.html#bytesAvailable">bytesAvailable</a>(), <a href="qabstractsocket.html#error">error</a>(), and <a href="qabstractsocket.html#SocketError-enum">SocketTimeoutError</a>.</p> <!-- @@@waitForMore --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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