<p>allows pv_format specifier in prefix param</p>


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<h4>Description</h4>

<p>add <code>prefix_mode</code> param to xlog to optionally interpret <code>prefix</code> as a <code>pv_format</code> specifier.</p>
<p><code>config</code>:</p>
<div class="snippet-clipboard-content position-relative" data-snippet-clipboard-copy-content="mod_param("xlog", "prefix", "$_s([$(cfg(file):$cfg(line)] $ci $(cfg(route){s.tolower}) )")
mod_param("xlog", "prefix_mode", 1)
...
xlog("L_INFO", "hello")
...
"><pre><code>mod_param("xlog", "prefix", "$_s([$(cfg(file):$cfg(line)] $ci $(cfg(route){s.tolower}) )")
mod_param("xlog", "prefix_mode", 1)
...
xlog("L_INFO", "hello")
...
</code></pre></div>
<p><code>output:</code></p>
<div class="snippet-clipboard-content position-relative" data-snippet-clipboard-copy-content="
66(307) INFO: [my-file.cfg:5] 62795aa2-9696c27c my_route hello

"><pre><code>
66(307) INFO: <b>[my-file.cfg:5]</b> 62795aa2-9696c27c <b>my_route</b> hello
</code>
</pre></div>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/kamailio/kamailio/pull/2845'>https://github.com/kamailio/kamailio/pull/2845</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>xlog: add prefix_mode</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/2845/files#diff-56d1aa64e9bbaf2a3f77cbe69898874f46ef0ed322788f05d513c5b41122c35b">src/modules/xlog/doc/xlog_admin.xml</a>
    (22)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/2845/files#diff-93b885f2a0ab11b19f0ff1e48ddc7a06b0045bfe37427e0d573918382fd67d2e">src/modules/xlog/xlog.c</a>
    (46)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/kamailio/kamailio/pull/2845.patch'>https://github.com/kamailio/kamailio/pull/2845.patch</a></li>
  <li><a href='https://github.com/kamailio/kamailio/pull/2845.diff'>https://github.com/kamailio/kamailio/pull/2845.diff</a></li>
</ul>

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