--- /dev/null
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+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+ <title>Class: MCollective::Agents</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+ <meta http-equiv="Content-Script-Type" content="text/javascript" />
+ <link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" />
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+ }
+
+ // Make codeblocks hidden by default
+ document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" )
+
+ // ]]>
+ </script>
+
+</head>
+<body>
+
+
+
+ <div id="classHeader">
+ <table class="header-table">
+ <tr class="top-aligned-row">
+ <td><strong>Class</strong></td>
+ <td class="class-name-in-header">MCollective::Agents</td>
+ </tr>
+ <tr class="top-aligned-row">
+ <td><strong>In:</strong></td>
+ <td>
+ <a href="../../files/lib/mcollective/agents_rb.html">
+ lib/mcollective/agents.rb
+ </a>
+ <br />
+ </td>
+ </tr>
+
+ <tr class="top-aligned-row">
+ <td><strong>Parent:</strong></td>
+ <td>
+ Object
+ </td>
+ </tr>
+ </table>
+ </div>
+ <!-- banner header -->
+
+ <div id="bodyContent">
+
+
+
+ <div id="contextContent">
+
+ <div id="description">
+ <p>
+A collection of agents, loads them, reloads them and dispatches messages to
+them. It uses the <a href="PluginManager.html">PluginManager</a> to store,
+load and manage instances of plugins.
+</p>
+
+ </div>
+
+
+ </div>
+
+ <div id="method-list">
+ <h3 class="section-bar">Methods</h3>
+
+ <div class="name-list">
+ <a href="#M000487">activate_agent?</a>
+ <a href="#M000491">agentlist</a>
+ <a href="#M000486">class_for_agent</a>
+ <a href="#M000483">clear!</a>
+ <a href="#M000490">dispatch</a>
+ <a href="#M000488">findagentfile</a>
+ <a href="#M000489">include?</a>
+ <a href="#M000485">loadagent</a>
+ <a href="#M000484">loadagents</a>
+ <a href="#M000482">new</a>
+ </div>
+ </div>
+
+ </div>
+
+
+ <!-- if includes -->
+
+ <div id="section">
+
+
+
+
+
+
+
+
+ <!-- if method_list -->
+ <div id="methods">
+ <h3 class="section-bar">Public Class methods</h3>
+
+ <div id="method-M000491" class="method-detail">
+ <a name="M000491"></a>
+
+ <div class="method-heading">
+ <a href="#M000491" class="method-signature">
+ <span class="method-name">agentlist</span><span class="method-args">()</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Get a list of agents that we have
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000491-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000491-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 145</span>
+145: <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">agentlist</span>
+146: <span class="ruby-ivar">@@agents</span>.<span class="ruby-identifier">keys</span>
+147: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000482" class="method-detail">
+ <a name="M000482"></a>
+
+ <div class="method-heading">
+ <a href="#M000482" class="method-signature">
+ <span class="method-name">new</span><span class="method-args">(agents = {})</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000482-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000482-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 5</span>
+ 5: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">agents</span> = {})
+ 6: <span class="ruby-ivar">@config</span> = <span class="ruby-constant">Config</span>.<span class="ruby-identifier">instance</span>
+ 7: <span class="ruby-identifier">raise</span> (<span class="ruby-value str">"Configuration has not been loaded, can't load agents"</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@config</span>.<span class="ruby-identifier">configured</span>
+ 8:
+ 9: <span class="ruby-ivar">@@agents</span> = <span class="ruby-identifier">agents</span>
+10:
+11: <span class="ruby-identifier">loadagents</span>
+12: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <h3 class="section-bar">Public Instance methods</h3>
+
+ <div id="method-M000487" class="method-detail">
+ <a name="M000487"></a>
+
+ <div class="method-heading">
+ <a href="#M000487" class="method-signature">
+ <span class="method-name">activate_agent?</span><span class="method-args">(agent)</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Checks if a plugin should be activated by calling activate? on it if it
+responds to that method else always activate it
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000487-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000487-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 85</span>
+85: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">activate_agent?</span>(<span class="ruby-identifier">agent</span>)
+86: <span class="ruby-identifier">klass</span> = <span class="ruby-constant">Kernel</span>.<span class="ruby-identifier">const_get</span>(<span class="ruby-value str">"MCollective"</span>).<span class="ruby-identifier">const_get</span>(<span class="ruby-value str">"Agent"</span>).<span class="ruby-identifier">const_get</span>(<span class="ruby-identifier">agent</span>.<span class="ruby-identifier">capitalize</span>)
+87:
+88: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value str">"activate?"</span>)
+89: <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">activate?</span>
+90: <span class="ruby-keyword kw">else</span>
+91: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">debug</span>(<span class="ruby-node">"#{klass} does not have an activate? method, activating as default"</span>)
+92: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">true</span>
+93: <span class="ruby-keyword kw">end</span>
+94: <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">e</span>
+95: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">warn</span>(<span class="ruby-node">"Agent activation check for #{agent} failed: #{e.class}: #{e}"</span>)
+96: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span>
+97: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000486" class="method-detail">
+ <a name="M000486"></a>
+
+ <div class="method-heading">
+ <a href="#M000486" class="method-signature">
+ <span class="method-name">class_for_agent</span><span class="method-args">(agent)</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Builds a class name string given a <a href="Agent.html">Agent</a> name
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000486-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000486-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 78</span>
+78: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">class_for_agent</span>(<span class="ruby-identifier">agent</span>)
+79: <span class="ruby-node">"MCollective::Agent::#{agent.capitalize}"</span>
+80: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000483" class="method-detail">
+ <a name="M000483"></a>
+
+ <div class="method-heading">
+ <a href="#M000483" class="method-signature">
+ <span class="method-name">clear!</span><span class="method-args">()</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Deletes all agents
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000483-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000483-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 15</span>
+15: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">clear!</span>
+16: <span class="ruby-ivar">@@agents</span>.<span class="ruby-identifier">each_key</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">agent</span><span class="ruby-operator">|</span>
+17: <span class="ruby-constant">PluginManager</span>.<span class="ruby-identifier">delete</span> <span class="ruby-node">"#{agent}_agent"</span>
+18: <span class="ruby-constant">Util</span>.<span class="ruby-identifier">unsubscribe</span>(<span class="ruby-constant">Util</span>.<span class="ruby-identifier">make_subscriptions</span>(<span class="ruby-identifier">agent</span>, <span class="ruby-identifier">:broadcast</span>))
+19: <span class="ruby-keyword kw">end</span>
+20:
+21: <span class="ruby-ivar">@@agents</span> = {}
+22: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000490" class="method-detail">
+ <a name="M000490"></a>
+
+ <div class="method-heading">
+ <a href="#M000490" class="method-signature">
+ <span class="method-name">dispatch</span><span class="method-args">(request, connection) {|replies| ...}</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Dispatches a message to an agent, accepts a block that will get run if
+there are any replies to process from the agent
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000490-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000490-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 118</span>
+118: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">dispatch</span>(<span class="ruby-identifier">request</span>, <span class="ruby-identifier">connection</span>)
+119: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">debug</span>(<span class="ruby-node">"Dispatching a message to agent #{request.agent}"</span>)
+120:
+121: <span class="ruby-constant">Thread</span>.<span class="ruby-identifier">new</span> <span class="ruby-keyword kw">do</span>
+122: <span class="ruby-keyword kw">begin</span>
+123: <span class="ruby-identifier">agent</span> = <span class="ruby-constant">PluginManager</span>[<span class="ruby-node">"#{request.agent}_agent"</span>]
+124:
+125: <span class="ruby-constant">Timeout</span><span class="ruby-operator">::</span><span class="ruby-identifier">timeout</span>(<span class="ruby-identifier">agent</span>.<span class="ruby-identifier">timeout</span>) <span class="ruby-keyword kw">do</span>
+126: <span class="ruby-identifier">replies</span> = <span class="ruby-identifier">agent</span>.<span class="ruby-identifier">handlemsg</span>(<span class="ruby-identifier">request</span>.<span class="ruby-identifier">payload</span>, <span class="ruby-identifier">connection</span>)
+127:
+128: <span class="ruby-comment cmt"># Agents can decide if they wish to reply or not,</span>
+129: <span class="ruby-comment cmt"># returning nil will mean nothing goes back to the</span>
+130: <span class="ruby-comment cmt"># requestor</span>
+131: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">replies</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>
+132: <span class="ruby-keyword kw">yield</span>(<span class="ruby-identifier">replies</span>)
+133: <span class="ruby-keyword kw">end</span>
+134: <span class="ruby-keyword kw">end</span>
+135: <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Timeout</span><span class="ruby-operator">::</span><span class="ruby-constant">Error</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">e</span>
+136: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">warn</span>(<span class="ruby-node">"Timeout while handling message for #{request.agent}"</span>)
+137: <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">e</span>
+138: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">error</span>(<span class="ruby-node">"Execution of #{request.agent} failed: #{e}"</span>)
+139: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">error</span>(<span class="ruby-identifier">e</span>.<span class="ruby-identifier">backtrace</span>.<span class="ruby-identifier">join</span>(<span class="ruby-value str">"\n\t\t"</span>))
+140: <span class="ruby-keyword kw">end</span>
+141: <span class="ruby-keyword kw">end</span>
+142: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000488" class="method-detail">
+ <a name="M000488"></a>
+
+ <div class="method-heading">
+ <a href="#M000488" class="method-signature">
+ <span class="method-name">findagentfile</span><span class="method-args">(agentname)</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+searches the libdirs for agents
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000488-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000488-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 100</span>
+100: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">findagentfile</span>(<span class="ruby-identifier">agentname</span>)
+101: <span class="ruby-ivar">@config</span>.<span class="ruby-identifier">libdir</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">libdir</span><span class="ruby-operator">|</span>
+102: <span class="ruby-identifier">agentfile</span> = <span class="ruby-constant">File</span>.<span class="ruby-identifier">join</span>([<span class="ruby-identifier">libdir</span>, <span class="ruby-value str">"mcollective"</span>, <span class="ruby-value str">"agent"</span>, <span class="ruby-node">"#{agentname}.rb"</span>])
+103: <span class="ruby-keyword kw">if</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">exist?</span>(<span class="ruby-identifier">agentfile</span>)
+104: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">debug</span>(<span class="ruby-node">"Found #{agentname} at #{agentfile}"</span>)
+105: <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">agentfile</span>
+106: <span class="ruby-keyword kw">end</span>
+107: <span class="ruby-keyword kw">end</span>
+108: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span>
+109: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000489" class="method-detail">
+ <a name="M000489"></a>
+
+ <div class="method-heading">
+ <a href="#M000489" class="method-signature">
+ <span class="method-name">include?</span><span class="method-args">(agentname)</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Determines if we have an agent with a certain name
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000489-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000489-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 112</span>
+112: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">include?</span>(<span class="ruby-identifier">agentname</span>)
+113: <span class="ruby-constant">PluginManager</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-node">"#{agentname}_agent"</span>)
+114: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000485" class="method-detail">
+ <a name="M000485"></a>
+
+ <div class="method-heading">
+ <a href="#M000485" class="method-signature">
+ <span class="method-name">loadagent</span><span class="method-args">(agentname)</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Loads a specified agent from disk if available
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000485-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000485-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 42</span>
+42: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">loadagent</span>(<span class="ruby-identifier">agentname</span>)
+43: <span class="ruby-identifier">agentfile</span> = <span class="ruby-identifier">findagentfile</span>(<span class="ruby-identifier">agentname</span>)
+44: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">agentfile</span>
+45: <span class="ruby-identifier">classname</span> = <span class="ruby-identifier">class_for_agent</span>(<span class="ruby-identifier">agentname</span>)
+46:
+47: <span class="ruby-constant">PluginManager</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-node">"#{agentname}_agent"</span>)
+48:
+49: <span class="ruby-keyword kw">begin</span>
+50: <span class="ruby-identifier">single_instance</span> = [<span class="ruby-value str">"registration"</span>, <span class="ruby-value str">"discovery"</span>].<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">agentname</span>)
+51:
+52: <span class="ruby-constant">PluginManager</span>.<span class="ruby-identifier">loadclass</span>(<span class="ruby-identifier">classname</span>)
+53:
+54: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">activate_agent?</span>(<span class="ruby-identifier">agentname</span>)
+55: <span class="ruby-constant">PluginManager</span> <span class="ruby-operator"><<</span> {<span class="ruby-identifier">:type</span> =<span class="ruby-operator">></span> <span class="ruby-node">"#{agentname}_agent"</span>, <span class="ruby-identifier">:class</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">classname</span>, <span class="ruby-identifier">:single_instance</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">single_instance</span>}
+56:
+57: <span class="ruby-comment cmt"># Attempt to instantiate the agent once so any validation and hooks get run</span>
+58: <span class="ruby-comment cmt"># this does a basic sanity check on the agent as a whole, if this fails it</span>
+59: <span class="ruby-comment cmt"># will be removed from the plugin list</span>
+60: <span class="ruby-constant">PluginManager</span>[<span class="ruby-node">"#{agentname}_agent"</span>]
+61:
+62: <span class="ruby-constant">Util</span>.<span class="ruby-identifier">subscribe</span>(<span class="ruby-constant">Util</span>.<span class="ruby-identifier">make_subscriptions</span>(<span class="ruby-identifier">agentname</span>, <span class="ruby-identifier">:broadcast</span>)) <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@@agents</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">agentname</span>)
+63:
+64: <span class="ruby-ivar">@@agents</span>[<span class="ruby-identifier">agentname</span>] = {<span class="ruby-identifier">:file</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">agentfile</span>}
+65: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">true</span>
+66: <span class="ruby-keyword kw">else</span>
+67: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">debug</span>(<span class="ruby-node">"Not activating agent #{agentname} due to agent policy in activate? method"</span>)
+68: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span>
+69: <span class="ruby-keyword kw">end</span>
+70: <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">e</span>
+71: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">error</span>(<span class="ruby-node">"Loading agent #{agentname} failed: #{e}"</span>)
+72: <span class="ruby-constant">PluginManager</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-node">"#{agentname}_agent"</span>)
+73: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span>
+74: <span class="ruby-keyword kw">end</span>
+75: <span class="ruby-keyword kw">end</span>
+</pre>
+ </div>
+ </div>
+ </div>
+
+ <div id="method-M000484" class="method-detail">
+ <a name="M000484"></a>
+
+ <div class="method-heading">
+ <a href="#M000484" class="method-signature">
+ <span class="method-name">loadagents</span><span class="method-args">()</span>
+ </a>
+ </div>
+
+ <div class="method-description">
+ <p>
+Loads all agents from disk
+</p>
+ <p><a class="source-toggle" href="#"
+ onclick="toggleCode('M000484-source');return false;">[Source]</a></p>
+ <div class="method-source-code" id="M000484-source">
+<pre>
+ <span class="ruby-comment cmt"># File lib/mcollective/agents.rb, line 25</span>
+25: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">loadagents</span>
+26: <span class="ruby-constant">Log</span>.<span class="ruby-identifier">debug</span>(<span class="ruby-value str">"Reloading all agents from disk"</span>)
+27:
+28: <span class="ruby-identifier">clear!</span>
+29:
+30: <span class="ruby-ivar">@config</span>.<span class="ruby-identifier">libdir</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">libdir</span><span class="ruby-operator">|</span>
+31: <span class="ruby-identifier">agentdir</span> = <span class="ruby-node">"#{libdir}/mcollective/agent"</span>
+32: <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">directory?</span>(<span class="ruby-identifier">agentdir</span>)
+33:
+34: <span class="ruby-constant">Dir</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">agentdir</span>).<span class="ruby-identifier">grep</span>(<span class="ruby-regexp re">/\.rb$/</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">agent</span><span class="ruby-operator">|</span>
+35: <span class="ruby-identifier">agentname</span> = <span class="ruby-constant">File</span>.<span class="ruby-identifier">basename</span>(<span class="ruby-identifier">agent</span>, <span class="ruby-value str">".rb"</span>)
+36: <span class="ruby-identifier">loadagent</span>(<span class="ruby-identifier">agentname</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-constant">PluginManager</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-node">"#{agentname}_agent"</span>)
+37: <span class="ruby-keyword kw">end</span>
+38: <span class="ruby-keyword kw">end</span>
+39: <span class="ruby-keyword kw">end</span>
+</pre>
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