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66 lines
3.8 KiB
HTML
66 lines
3.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>从代理返回所有的 SNMP 对象</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.snmpwalk" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">snmpwalk</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">snmpwalk</span> — <span class="dc-title">从代理返回所有的 SNMP 对象</span></p>
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</div>
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<div class="refsect1 unknown-unknown-seealsq" id="refsect1-function.snmpwalk-unknown-unknown-seealsq">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>snmpwalk</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$community</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$object_id</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$timeout</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$retries</code></span>
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]] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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返回由 <code class="parameter">object_id</code> 作为根的
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SNMP 对象值所组成的数组，错误则返回 <strong><code>FALSE</code></strong>。
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</p>
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<p class="para">
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<span class="function"><strong>snmpwalk()</strong></span> 函数是用来读取所有由
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<code class="parameter">hostname</code> 指定的 SNMP
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代理的值。<code class="parameter">Community</code>
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指定该代理中具有读权限的域。一个为 <strong><code>NULL</code></strong>
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的 <code class="parameter">object_id</code> 将被看作
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SNMP 对象树的根，而在此树下的所有对象将作为一个数组被返回。如果指定了
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<code class="parameter">object_id</code>，则返回所有在
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<code class="parameter">object_id</code> 下的 SNMP 对象。
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<div class="informalexample">
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$a </span><span style="color: #007700">= </span><span style="color: #0000BB">snmpwalk</span><span style="color: #007700">(</span><span style="color: #DD0000">"127.0.0.1"</span><span style="color: #007700">, </span><span style="color: #DD0000">"public"</span><span style="color: #007700">, </span><span style="color: #DD0000">""</span><span style="color: #007700">); <br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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上边的函数调用将从运行于本机的 SNMP
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代理那里返回所有的 SNMP 对象。可使用循环遍历这些值。
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<div class="informalexample">
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">foreach (</span><span style="color: #0000BB">$a </span><span style="color: #007700">as </span><span style="color: #0000BB">$val</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$val</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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</div></div></div></body></html> |