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href="LuCI.fs.html">fs</a></div><div class="sidebar-section-children"><a href="LuCI.headers.html">headers</a></div><div class="sidebar-section-children"><a href="LuCI.network.html">network</a></div><div class="sidebar-section-children"><a href="LuCI.network.Device.html">Device</a></div><div class="sidebar-section-children"><a href="LuCI.network.Hosts.html">Hosts</a></div><div class="sidebar-section-children"><a href="LuCI.network.Protocol.html">Protocol</a></div><div class="sidebar-section-children"><a href="LuCI.network.WifiDevice.html">WifiDevice</a></div><div class="sidebar-section-children"><a href="LuCI.network.WifiNetwork.html">WifiNetwork</a></div><div class="sidebar-section-children"><a href="LuCI.network.WifiVlan.html">WifiVlan</a></div><div class="sidebar-section-children"><a href="LuCI.poll.html">poll</a></div><div class="sidebar-section-children"><a href="LuCI.request.html">request</a></div><div class="sidebar-section-children"><a 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class="sidebar-section-children"><a href="LuCI.validation.ValidatorFactory.html">ValidatorFactory</a></div><div class="sidebar-section-children"><a href="LuCI.view.html">view</a></div><div class="sidebar-section-children"><a href="LuCI.xhr.html">xhr</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-externals"><div>Externals</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="external-String.html">String</a></div></div></div></div></div><div class="navbar-container" id="VuAckcnZhf"><nav class="navbar"><div class="navbar-left-items"><div class="github-home navbar-item"><a id="" href="https://github.com/openwrt/luci" target="">GitHub Project Page</a></div></div><div class="navbar-right-items"><div class="navbar-right-item"><button class="icon-button search-button" aria-label="open-search"><svg><use xlink:href="#search-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button theme-toggle" aria-label="toggle-theme"><svg><use class="theme-svg-use" xlink:href="#dark-theme-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button font-size" aria-label="change-font-size"><svg><use xlink:href="#font-size-icon"></use></svg></button></div></div><nav></nav></nav></div><div class="toc-container"><div class="toc-content"><span class="bold">On this page</span><div id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section><header><h1 id="Hosts-title" class="has-anchor"><span class="ancestors"><a href="LuCI.html">LuCI</a><a href="LuCI.network.html">.network</a>.</span> Hosts</h1><div class="class-description"><p>The <code>LuCI.network.Hosts</code> class encapsulates host information aggregated from multiple sources and provides convenience functions to access the host information by different criteria.</p></div></header><article><div class="container-overview"><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1792">line 1792</a></li></ul></dd></div></dl></div><h2 id="methods" class="subsection-title has-anchor">Methods</h2><h3 class="name has-anchor" id="getHostnameByIP6Addr"><span class="type-signature"></span>getHostnameByIP6Addr<span class="signature">(ip6addr)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the hostname associated with the given IPv6 address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>ip6addr</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The IPv6 address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1908">line 1908</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the hostname associated with the given IPv6 or <code>null</code> if no matching host could be found or if no hostname is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getHostnameByIPAddr"><span class="type-signature"></span>getHostnameByIPAddr<span class="signature">(ipaddr)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the hostname associated with the given IPv4 address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>ipaddr</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The IPv4 address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1859">line 1859</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the hostname associated with the given IPv4 or <code>null</code> if no matching host could be found or if no hostname is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getHostnameByMACAddr"><span class="type-signature"></span>getHostnameByMACAddr<span class="signature">(mac)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the hostname associated with the given MAC address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>mac</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The MAC address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1808">line 1808</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the hostname associated with the given MAC or <code>null</code> if no matching host could be found or if no hostname is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getIP6AddrByMACAddr"><span class="type-signature"></span>getIP6AddrByMACAddr<span class="signature">(mac)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the IPv6 address associated with the given MAC address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>mac</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The MAC address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1842">line 1842</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the IPv6 address associated with the given MAC or <code>null</code> if no matching host could be found or if no IPv6 address is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getIPAddrByMACAddr"><span class="type-signature"></span>getIPAddrByMACAddr<span class="signature">(mac)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the IPv4 address associated with the given MAC address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>mac</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The MAC address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1825">line 1825</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the IPv4 address associated with the given MAC or <code>null</code> if no matching host could be found or if no IPv4 address is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getMACAddrByIP6Addr"><span class="type-signature"></span>getMACAddrByIP6Addr<span class="signature">(ip6addr)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the MAC address associated with the given IPv6 address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>ip6addr</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The IPv6 address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1934">line 1934</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the MAC address associated with the given IPv6 or <code>null</code> if no matching host could be found or if no MAC address is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getMACAddrByIPAddr"><span class="type-signature"></span>getMACAddrByIPAddr<span class="signature">(ipaddr)</span><span class="type-signature"> → {null|string}</span></h3><div class="description"><p>Look up the MAC address associated with the given IPv4 address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>ipaddr</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>The IPv4 address to look up.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1885">line 1885</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns the MAC address associated with the given IPv4 or <code>null</code> if no matching host could be found or if no MAC address is known for the corresponding host.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">null</span> |<wbr> <span class="param-type">string</span></dd></dl></div><h3 class="name has-anchor" id="getMACHints"><span class="type-signature"></span>getMACHints<span class="signature">(preferIp6<span class="signature-attributes">opt</span>)</span><span class="type-signature"> → {Array.<Array.<string>>}</span></h3><div class="description"><p>Return an array of (MAC address, name hint) tuples sorted by MAC address.</p></div><div class="method-member-container flex flex-col w-100 overflow-auto mt-20"><strong>Parameters:</strong><table class="params"><thead><tr><th>Name</th><th>Type</th><th>Attributes</th><th>Default</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>preferIp6</code></td><td class="type"><span class="param-type">boolean</span></td><td class="attributes"><optional><br></td><td class="default">false</td><td class="description last"><p>Whether to prefer IPv6 addresses (<code>true</code>) or IPv4 addresses (<code>false</code>) as name hint when no hostname is known for a specific MAC address.</p></td></tr></tbody></table></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="network.js.html">network.js</a>, <a href="network.js.html#line1967">line 1967</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><div class="param-desc"><p>Returns an array of arrays containing a name hint for each found MAC address on the system. The array is sorted ascending by MAC.</p><p>Each item of the resulting array is a two element array with the MAC being the first element and the name hint being the second element. The name hint is either the hostname, an IPv4 or an IPv6 address related to the MAC address.</p><p>If no hostname but both IPv4 and IPv6 addresses are known, the <code>preferIP6</code> flag specifies whether the IPv6 or the IPv4 address is used as hint.</p></div><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">Array.<Array.<string>></span></dd></dl></div></article></section></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div 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