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71 lines
4.7 KiB
HTML
71 lines
4.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>查询关于网络实体的信息树</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.snmpwalkoid" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">snmpwalkoid</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">snmpwalkoid</span> — <span class="dc-title">查询关于网络实体的信息树</span></p>
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</div>
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<div class="refsect1 unknown-unknown-unknown-seealsr" id="refsect1-function.snmpwalkoid-unknown-unknown-unknown-seealsr">
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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>snmpwalkoid</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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返回一个包含对象 id 及它们各自对象值的关联数组，这些对象以
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<code class="parameter">object_id</code> 作为根，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>snmpwalkoid()</strong></span> 用于从
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<code class="parameter">hostname</code> 所指定的 SNMP
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代理那里读取所有对象 id 及它们各自的值。<code class="parameter">community</code>
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指定对于该代理有读权限的域。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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</p>
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<p class="para">
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<span class="function"><strong>snmpwalkoid()</strong></span> 和
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<span class="function"><a href="snmpwalk.html" class="function">snmpwalk()</a></span> 的同时存在出于历史原因。提供两个函数是为了向后兼容。
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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">snmpwalkoid</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">for (</span><span style="color: #0000BB">reset</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">); </span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">key</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">); </span><span style="color: #0000BB">next</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$i</span><span style="color: #DD0000">: </span><span style="color: #0000BB">$a</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]</span><span style="color: #DD0000"><br />\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> |