<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qnetworkprotocol.cpp:974 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>TQNetworkOperation Class</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQNetworkOperation Class Reference<br><small>[<a href="network.html">network module</a>]</small></h1> <p>The TQNetworkOperation class provides common operations for network protocols. <a href="#details">More...</a> <p><tt>#include <<a href="qnetworkprotocol-h.html">ntqnetworkprotocol.h</a>></tt> <p>Inherits <a href="ntqobject.html">TQObject</a>. <p><a href="qnetworkoperation-members.html">List of all member functions.</a> <h2>Public Members</h2> <ul> <li class=fn><a href="#TQNetworkOperation"><b>TQNetworkOperation</b></a> ( TQNetworkProtocol::Operation operation, const TQString & arg0, const TQString & arg1, const TQString & arg2 )</li> <li class=fn><a href="#TQNetworkOperation-2"><b>TQNetworkOperation</b></a> ( TQNetworkProtocol::Operation operation, const TQByteArray & arg0, const TQByteArray & arg1, const TQByteArray & arg2 )</li> <li class=fn><a href="#~TQNetworkOperation"><b>~TQNetworkOperation</b></a> ()</li> <li class=fn>void <a href="#setState"><b>setState</b></a> ( TQNetworkProtocol::State state )</li> <li class=fn>void <a href="#setProtocolDetail"><b>setProtocolDetail</b></a> ( const TQString & detail )</li> <li class=fn>void <a href="#setErrorCode"><b>setErrorCode</b></a> ( int ec )</li> <li class=fn>void <a href="#setArg"><b>setArg</b></a> ( int num, const TQString & arg )</li> <li class=fn>void <a href="#setRawArg"><b>setRawArg</b></a> ( int num, const TQByteArray & arg )</li> <li class=fn>TQNetworkProtocol::Operation <a href="#operation"><b>operation</b></a> () const</li> <li class=fn>TQNetworkProtocol::State <a href="#state"><b>state</b></a> () const</li> <li class=fn>TQString <a href="#arg"><b>arg</b></a> ( int num ) const</li> <li class=fn>TQByteArray <a href="#rawArg"><b>rawArg</b></a> ( int num ) const</li> <li class=fn>TQString <a href="#protocolDetail"><b>protocolDetail</b></a> () const</li> <li class=fn>int <a href="#errorCode"><b>errorCode</b></a> () const</li> <li class=fn>void <a href="#free"><b>free</b></a> ()</li> </ul> <hr><a name="details"></a><h2>Detailed Description</h2> <p> The TQNetworkOperation class provides common operations for network protocols. <p> <p> An object is created to describe the operation and the current state for each operation that a network protocol should process. <p> For a detailed description of the TQt Network Architecture and how to implement and use network protocols in TQt, see the <a href="network.html">TQt Network Documentation</a>. <p> <p>See also <a href="ntqnetworkprotocol.html">TQNetworkProtocol</a> and <a href="io.html">Input/Output and Networking</a>. <hr><h2>Member Function Documentation</h2> <h3 class=fn><a name="TQNetworkOperation"></a>TQNetworkOperation::TQNetworkOperation ( <a href="ntqnetworkprotocol.html#Operation-enum">TQNetworkProtocol::Operation</a> operation, const <a href="ntqstring.html">TQString</a> & arg0, const <a href="ntqstring.html">TQString</a> & arg1, const <a href="ntqstring.html">TQString</a> & arg2 ) </h3> Constructs a network operation object. <em>operation</em> is the type of the operation, and <em>arg0</em>, <em>arg1</em> and <em>arg2</em> are the first three arguments of the operation. The state is initialized to TQNetworkProtocol::StWaiting. <p> <p>See also <a href="ntqnetworkprotocol.html#Operation-enum">TQNetworkProtocol::Operation</a> and <a href="ntqnetworkprotocol.html#State-enum">TQNetworkProtocol::State</a>. <h3 class=fn><a name="TQNetworkOperation-2"></a>TQNetworkOperation::TQNetworkOperation ( <a href="ntqnetworkprotocol.html#Operation-enum">TQNetworkProtocol::Operation</a> operation, const <a href="qbytearray.html">TQByteArray</a> & arg0, const <a href="qbytearray.html">TQByteArray</a> & arg1, const <a href="qbytearray.html">TQByteArray</a> & arg2 ) </h3> Constructs a network operation object. <em>operation</em> is the type of the operation, and <em>arg0</em>, <em>arg1</em> and <em>arg2</em> are the first three raw data arguments of the operation. The state is initialized to TQNetworkProtocol::StWaiting. <p> <p>See also <a href="ntqnetworkprotocol.html#Operation-enum">TQNetworkProtocol::Operation</a> and <a href="ntqnetworkprotocol.html#State-enum">TQNetworkProtocol::State</a>. <h3 class=fn><a name="~TQNetworkOperation"></a>TQNetworkOperation::~TQNetworkOperation () </h3> Destructor. <h3 class=fn><a href="ntqstring.html">TQString</a> <a name="arg"></a>TQNetworkOperation::arg ( int num ) const </h3> Returns the operation's <em>num</em>-th argument. If this argument was not already set, an empty string is returned. <p>Example: <a href="networkprotocol-example.html#x672">network/networkprotocol/nntp.cpp</a>. <h3 class=fn>int <a name="errorCode"></a>TQNetworkOperation::errorCode () const </h3> Returns the error code for the last error that occurred. <h3 class=fn>void <a name="free"></a>TQNetworkOperation::free () </h3> Sets this object to delete itself when it hasn't been used for one second. <p> Because TQNetworkOperation pointers are passed around a lot the <a href="ntqnetworkprotocol.html">TQNetworkProtocol</a> generally does not have enough knowledge to delete these at the correct time. If a TQNetworkProtocol doesn't need an operation any more it will call this function instead. <p> Note: you should never need to call the method yourself. <h3 class=fn><a href="ntqnetworkprotocol.html#Operation-enum">TQNetworkProtocol::Operation</a> <a name="operation"></a>TQNetworkOperation::operation () const </h3> Returns the type of the operation. <h3 class=fn><a href="ntqstring.html">TQString</a> <a name="protocolDetail"></a>TQNetworkOperation::protocolDetail () const </h3> Returns a detailed error message for the last error. This must have been set using <a href="#setProtocolDetail">setProtocolDetail</a>(). <h3 class=fn><a href="qbytearray.html">TQByteArray</a> <a name="rawArg"></a>TQNetworkOperation::rawArg ( int num ) const </h3> Returns the operation's <em>num</em>-th raw data argument. If this argument was not already set, an empty bytearray is returned. <h3 class=fn>void <a name="setArg"></a>TQNetworkOperation::setArg ( int num, const <a href="ntqstring.html">TQString</a> & arg ) </h3> Sets the network operation's <em>num</em>-th argument to <em>arg</em>. <h3 class=fn>void <a name="setErrorCode"></a>TQNetworkOperation::setErrorCode ( int ec ) </h3> Sets the error code to <em>ec</em>. <p> If the operation failed, the protocol should set an error code to describe the error in more detail. If possible, one of the error codes defined in <a href="ntqnetworkprotocol.html">TQNetworkProtocol</a> should be used. <p> <p>See also <a href="#setProtocolDetail">setProtocolDetail</a>() and <a href="ntqnetworkprotocol.html#Error-enum">TQNetworkProtocol::Error</a>. <h3 class=fn>void <a name="setProtocolDetail"></a>TQNetworkOperation::setProtocolDetail ( const <a href="ntqstring.html">TQString</a> & detail ) </h3> If the operation failed, the error message can be specified as <em>detail</em>. <h3 class=fn>void <a name="setRawArg"></a>TQNetworkOperation::setRawArg ( int num, const <a href="qbytearray.html">TQByteArray</a> & arg ) </h3> Sets the network operation's <em>num</em>-th raw data argument to <em>arg</em>. <h3 class=fn>void <a name="setState"></a>TQNetworkOperation::setState ( <a href="ntqnetworkprotocol.html#State-enum">TQNetworkProtocol::State</a> state ) </h3> Sets the <em>state</em> of the operation object. This should be done by the network protocol during processing; at the end it should be set to TQNetworkProtocol::StDone or TQNetworkProtocol::StFailed, depending on success or failure. <p> <p>See also <a href="ntqnetworkprotocol.html#State-enum">TQNetworkProtocol::State</a>. <h3 class=fn><a href="ntqnetworkprotocol.html#State-enum">TQNetworkProtocol::State</a> <a name="state"></a>TQNetworkOperation::state () const </h3> Returns the state of the operation. You can determine whether an operation is still waiting to be processed, is being processed, has been processed successfully, or failed. <!-- eof --> <hr><p> This file is part of the <a href="index.html">TQt toolkit</a>. Copyright © 1995-2007 <a href="http://www.trolltech.com/">Trolltech</a>. 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