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  83. <div class="header">
  84. <div class="summary">
  85. <a href="#func-members">Functions</a> </div>
  86. <div class="headertitle">
  87. <div class="title">ALog Namespace Reference</div> </div>
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  89. <div class="contents">
  90. <p>The <a class="el" href="namespace_a_log.html" title="The ALog namespace encapsulates constants and functions used to provide logging to files and logging ...">ALog</a> namespace encapsulates constants and functions used to provide logging to files and logging to console (stdout)
  91. <a href="namespace_a_log.html#details">More...</a></p>
  92. <table class="memberdecls">
  93. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
  94. Functions</h2></td></tr>
  95. <tr class="memitem:a1eeade2b758f2d452e40426f8d37c41a"><td class="memItemLeft" align="right" valign="top"><a id="a1eeade2b758f2d452e40426f8d37c41a"></a>
  96. void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_a_log.html#a1eeade2b758f2d452e40426f8d37c41a">setLogFileName</a> ()</td></tr>
  97. <tr class="memdesc:a1eeade2b758f2d452e40426f8d37c41a"><td class="mdescLeft">&#160;</td><td class="mdescRight">setLogFileName sets a log file name ("Log_&lt;Date&gt;_&lt;Time&gt;.txt") <br /></td></tr>
  98. <tr class="separator:a1eeade2b758f2d452e40426f8d37c41a"><td class="memSeparator" colspan="2">&#160;</td></tr>
  99. <tr class="memitem:ae110fbae5b42a1dd106a9c53be104b13"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_a_log.html#ae110fbae5b42a1dd106a9c53be104b13">deleteOldLogs</a> ()</td></tr>
  100. <tr class="memdesc:ae110fbae5b42a1dd106a9c53be104b13"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cleans up old logs and initializes logging by preparing and installing a QMessageHandler. <a href="namespace_a_log.html#ae110fbae5b42a1dd106a9c53be104b13">More...</a><br /></td></tr>
  101. <tr class="separator:ae110fbae5b42a1dd106a9c53be104b13"><td class="memSeparator" colspan="2">&#160;</td></tr>
  102. <tr class="memitem:ac797ea9883ac75b58c2b08a64bcc26d7"><td class="memItemLeft" align="right" valign="top"><a id="ac797ea9883ac75b58c2b08a64bcc26d7"></a>
  103. bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_a_log.html#ac797ea9883ac75b58c2b08a64bcc26d7">init</a> (bool log_debug)</td></tr>
  104. <tr class="memdesc:ac797ea9883ac75b58c2b08a64bcc26d7"><td class="mdescLeft">&#160;</td><td class="mdescRight">initialise logging, clean up logfiles and install a QMessageHandler. To enable logging of debug messages, pass parameter as true. <br /></td></tr>
  105. <tr class="separator:ac797ea9883ac75b58c2b08a64bcc26d7"><td class="memSeparator" colspan="2">&#160;</td></tr>
  106. <tr class="memitem:a421bd504f26d924e0557d6359d853f69"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespace_a_log.html#a421bd504f26d924e0557d6359d853f69">aMessageHandler</a> (QtMsgType type, const QMessageLogContext &amp;context, const QString &amp;msg)</td></tr>
  107. <tr class="memdesc:a421bd504f26d924e0557d6359d853f69"><td class="mdescLeft">&#160;</td><td class="mdescRight">aMessageHandler Intercepts Messages and prints to console and log file <a href="namespace_a_log.html#a421bd504f26d924e0557d6359d853f69">More...</a><br /></td></tr>
  108. <tr class="separator:a421bd504f26d924e0557d6359d853f69"><td class="memSeparator" colspan="2">&#160;</td></tr>
  109. </table>
  110. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  111. <div class="textblock"><p>The <a class="el" href="namespace_a_log.html" title="The ALog namespace encapsulates constants and functions used to provide logging to files and logging ...">ALog</a> namespace encapsulates constants and functions used to provide logging to files and logging to console (stdout) </p>
  112. <p>The console output is color coded - green, amber, magenta for info, warn and crit messages, whereas the log files are just plain text.</p>
  113. <p>There is a maximum of &lt;numberOfLogs&gt; log files with a maximum size of &lt;sizeOfLogs&gt;, at the moment, up to 10 logs of up to 100kB in size are kept, older logs are automatically deleted.</p>
  114. <p>Debug output is not written to the logfile.</p>
  115. <p>In order to start logging, the <a class="el" href="namespace_a_log.html#ac797ea9883ac75b58c2b08a64bcc26d7" title="initialise logging, clean up logfiles and install a QMessageHandler. To enable logging of debug messa...">ALog::init()</a> function has to be called</p>
  116. <p>Credits to <a href="https://andydunkel.net/">Andy Dunkel</a> for his excellent blog post on Qt Log File Rotation! </p>
  117. </div><h2 class="groupheader">Function Documentation</h2>
  118. <a id="a421bd504f26d924e0557d6359d853f69"></a>
  119. <h2 class="memtitle"><span class="permalink"><a href="#a421bd504f26d924e0557d6359d853f69">&#9670;&nbsp;</a></span>aMessageHandler()</h2>
  120. <div class="memitem">
  121. <div class="memproto">
  122. <table class="memname">
  123. <tr>
  124. <td class="memname">void ALog::aMessageHandler </td>
  125. <td>(</td>
  126. <td class="paramtype">QtMsgType&#160;</td>
  127. <td class="paramname"><em>type</em>, </td>
  128. </tr>
  129. <tr>
  130. <td class="paramkey"></td>
  131. <td></td>
  132. <td class="paramtype">const QMessageLogContext &amp;&#160;</td>
  133. <td class="paramname"><em>context</em>, </td>
  134. </tr>
  135. <tr>
  136. <td class="paramkey"></td>
  137. <td></td>
  138. <td class="paramtype">const QString &amp;&#160;</td>
  139. <td class="paramname"><em>msg</em>&#160;</td>
  140. </tr>
  141. <tr>
  142. <td></td>
  143. <td>)</td>
  144. <td></td><td></td>
  145. </tr>
  146. </table>
  147. </div><div class="memdoc">
  148. <p>aMessageHandler Intercepts Messages and prints to console and log file </p>
  149. <p>The message handler is responsible for intercepting the output from qDebug(), qInfo(), qWarning() and qCritical(), formatting them and printing them to the standard console out and to a logfile using QTextStream. Debug messages are not written to the log file. </p>
  150. </div>
  151. </div>
  152. <a id="ae110fbae5b42a1dd106a9c53be104b13"></a>
  153. <h2 class="memtitle"><span class="permalink"><a href="#ae110fbae5b42a1dd106a9c53be104b13">&#9670;&nbsp;</a></span>deleteOldLogs()</h2>
  154. <div class="memitem">
  155. <div class="memproto">
  156. <table class="memname">
  157. <tr>
  158. <td class="memname">void ALog::deleteOldLogs </td>
  159. <td>(</td>
  160. <td class="paramname"></td><td>)</td>
  161. <td></td>
  162. </tr>
  163. </table>
  164. </div><div class="memdoc">
  165. <p>Cleans up old logs and initializes logging by preparing and installing a QMessageHandler. </p>
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