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<title>cache_usage (EstraierPure::Node)</title>
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<pre><span class="ruby-comment cmt"># File estraierpure.rb, line 802</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">cache_usage</span>()
<span class="ruby-ivar">@status</span> = <span class="ruby-value">-1</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-value">-1.0</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@url</span>
<span class="ruby-identifier">turl</span> = <span class="ruby-ivar">@url</span> <span class="ruby-operator">+</span> <span class="ruby-value str">"/cacheusage"</span>
<span class="ruby-identifier">reqheads</span> = []
<span class="ruby-identifier">reqheads</span>.<span class="ruby-identifier">push</span>(<span class="ruby-value str">"Authorization: Basic "</span> <span class="ruby-operator">+</span> <span class="ruby-constant">Utility</span><span class="ruby-operator">::</span><span class="ruby-identifier">base_encode</span>(<span class="ruby-ivar">@auth</span>)) <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@auth</span>
<span class="ruby-identifier">resbody</span> = <span class="ruby-constant">StringIO</span><span class="ruby-operator">::</span><span class="ruby-identifier">new</span>
<span class="ruby-identifier">rv</span> = <span class="ruby-constant">Utility</span><span class="ruby-operator">::</span><span class="ruby-identifier">shuttle_url</span>(<span class="ruby-identifier">turl</span>, <span class="ruby-ivar">@pxhost</span>, <span class="ruby-ivar">@pxport</span>, <span class="ruby-ivar">@timeout</span>, <span class="ruby-identifier">reqheads</span>, <span class="ruby-keyword kw">nil</span>, <span class="ruby-keyword kw">nil</span>, <span class="ruby-identifier">resbody</span>)
<span class="ruby-ivar">@status</span> = <span class="ruby-identifier">rv</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-value">-1.0</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rv</span> <span class="ruby-operator">!=</span> <span class="ruby-value">200</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">resbody</span>.<span class="ruby-identifier">string</span>.<span class="ruby-identifier">strip</span>.<span class="ruby-identifier">to_f</span>
<span class="ruby-keyword kw">end</span></pre>
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