@yipsec/kdns
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composable p2p networks
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href="module-kdns_router.html">kdns/router</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-classes"><div>Classes</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="module-kdns_bucket-Bucket.html">Bucket</a></div><div class="sidebar-section-children"><a href="module-kdns_contacts-Contact.html">Contact</a></div><div class="sidebar-section-children"><a href="module-kdns_contacts-ContactList.html">ContactList</a></div><div class="sidebar-section-children"><a href="module-kdns_node-Node.html">Node</a></div><div class="sidebar-section-children"><a href="module-kdns_protocol-Protocol.html">Protocol</a></div><div class="sidebar-section-children"><a href="module-kdns_router-Router.html">Router</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-events"><div>Events</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="module-kdns_node-Node.html#event:message_queued">message_queued</a></div><div class="sidebar-section-children"><a href="module-kdns_node-Node.html#event:storage_delete">storage_delete</a></div><div class="sidebar-section-children"><a href="module-kdns_node-Node.html#event:storage_expire">storage_expire</a></div><div class="sidebar-section-children"><a href="module-kdns_node-Node.html#event:storage_replicate">storage_replicate</a></div><div class="sidebar-section-children"><a href="module-kdns_protocol-Protocol.html#event:storage_get">storage_get</a></div><div class="sidebar-section-children"><a href="module-kdns_protocol-Protocol.html#event:storage_put">storage_put</a></div><div class="sidebar-section-children"><a href="module-kdns_router-Router.html#event:contact_added">contact_added</a></div><div class="sidebar-section-children"><a href="module-kdns_router-Router.html#event:contact_deleted">contact_deleted</a></div></div></div></div></div><div class="navbar-container" id="VuAckcnZhf"><nav class="navbar"><div class="navbar-left-items"></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="#light-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="Router-title" class="has-anchor"><span class="ancestors"><a href="module-kdns_router.html">kdns/router</a>~</span> Router</h1></header><article><div class="container-overview"><h3 class="name has-anchor" id="Router"><span class="type-signature"></span>new Router<span class="signature">(identity)</span></h3><div class="description"><p>Kademlia routing table consisting of <a href="module-kdns_constants.html#~B">module:kdns/constants~B</a> total <a href="module-kdns_bucket-Bucket.html">module:kdns/bucket~Bucket</a>s - each holding up to <a href="module-kdns_constants.html#~K">module:kdns/constants~K</a> total <a href="module-kdns_contacts-Contact.html">module:kdns/contacts~Contact</a>s.</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>identity</code></td><td class="type"><span class="param-type">buffer</span></td><td class="description last"><p>Reference point for calculating distances</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="router.js.html">router.js</a>, <a href="router.js.html#line36">line 36</a></li></ul></dd></div><div class="details-item-container"><dt class="tag-see bold">See</dt><dd class="tag-see"><ul><li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map">https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map</a></li></ul></dd></div></dl></div><h2 id="Extends" class="subsection-title has-anchor">Extends</h2><ul><li>Map</li></ul><h2 id="members" class="subsection-title has-anchor">Members</h2><h3 class="name has-anchor" id="events"><span class="type-signature"></span>events<span class="type-signature"></span></h3><div class="description"><p>Exposes events arising from handling protocol messages. Some of these events may require handling if they pass a Protocol~HandlerResponse</p></div><b class="subsection-title">Properties</b><div class="allow-overflow"><table class="props"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>events</code></td><td class="type"><span class="param-type">EventEmitter</span></td><td class="description last"><p>Router events interface</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="router.js.html">router.js</a>, <a href="router.js.html#line50">line 50</a></li></ul></dd></div></dl><h3 class="name has-anchor" id="identity"><span class="type-signature"></span>identity<span class="type-signature"></span></h3><div class="description"><p>Exposes events arising from handling protocol messages. Some of these events may require handling if they pass a Protocol~HandlerResponse</p></div><b class="subsection-title">Properties</b><div class="allow-overflow"><table class="props"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>identity</code></td><td class="type"><span class="param-type">buffer</span></td><td class="description last"><p>Reference key for distance calculation</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="router.js.html">router.js</a>, <a href="router.js.html#line44">line 44</a></li></ul></dd></div></dl><h3 class="name has-anchor" id="length"><span class="type-signature"></span>length<span class="type-signature"></span></h3><div class="description"><p>The total buckets in the routing table</p></div><b class="subsection-title">Properties</b><div class="allow-overflow"><table class="props"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>length</code></td><td class="type"><span class="param-type">number</span></td><td class="description last"></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="router.js.html">router.js</a>, <a href="router.js.html#line71">line 71</a></li></ul></dd></div></dl><h3 class="name has-anchor" id="size"><span class="type-signature"></span>size<span class="type-signature"></span></h3><div class="description"><p>The total contacts in the routing table</p></div><b class="subsection-title">Properties</b><div class="allow-overflow"><table class="props"><thead><tr><th>Name</th><th>Type</th><th class="last">Description</th></tr></thead><tbody><tr><td class="name"><code>size</code></td><td class="type"><span class="param-type">number</span></td><td class="description last"></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="router.js.html">router.js</a>, <a href="router.js.html#line61">line 61</a></li></ul></dd></div></dl><h2 id="methods" class="subsection-title has-anchor">Methods</h2><h3 class="name has-anchor" id="addContactByNodeId"><span class="type-signature"></span>addContactByNodeId<span class="signature">(nodeId, contact)</span><span class="type-signature"> → {array}</span></h3><div class="description"><p>Adds the contact to the routing table in the proper bucket position, returning the [bucketIndex, bucket, contactIndex, contact]; if the returned contactIndex is -1, it indicates the bucket is full and the contact was not added; kademlia implementations should PING the contact at bucket.head to determine if it should be dropped before calling this method again.</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>nodeId</code></td><td class="type"><span class="param-type">string</span> |<wbr> <span class="param-type">buffer</span></td><td class="description last"><p>Node identity to add</p></td></tr><tr><td class="name"><code>contact</code></td><td class="type"><span class="param-type"><a href="module-kdns_contacts-Contact.html">module:kdns/contacts~Contact</a></span></td><td class="description last"><p>Contact information for peer</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="router.js.html">router.js</a>, <a href="router.js.html#line122">line 122</a></li></ul></dd></div></dl><div class="method-member-container flex w-100 overflow-auto mt-20"><strong>Fires:</strong><ul><li><a href="module-kdns_router-Router.html#event:contact_added">module:kdns/router~Router#event:contact_added</a></li></ul></div><div class="method-member-container mt-20"><strong>Returns:</strong><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">array</span></dd></dl></div><h3 class="name has-anchor" id="getClosestBucket"><span class="type-signature"></span>getClosestBucket<span class="signature">()</span><span class="type-signature"> → {<a href="module-kdns_bucket-Bucket.html">module:kdns/bucket~Bucket</a>}</span></h3><div class="description"><p>Returns the [index, bucket] of the occupied bucket with the lowest index</p></div><dl class="details"><div class="details-item-container"><dt class="tag-source bold">Source</dt><dd class="tag-source"><ul><li><a href="router.js.html">router.js</a>, <a href="router.js.html#line137">line 137</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><dl class="param-type"><dt>Type: </dt><dd><span class="param-type"><a href="module-kdns_bucket-Bucket.html">module:kdns/bucket~Bucket</a></span></dd></dl></div><h3 class="name has-anchor" id="getClosestContactsToKey"><span class="type-signature"></span>getClosestContactsToKey<span class="signature">(key, n<span class="signature-attributes">opt</span>, exclusive<span class="signature-attributes">opt</span>)</span><span class="type-signature"> → {Map}</span></h3><div class="description"><p>Returns a array of N contacts closest to the supplied key</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>key</code></td><td class="type"><span class="param-type">string</span> |<wbr> <span class="param-type">buffer</span></td><td class="attributes"></td><td class="default"></td><td class="description last"><p>Key to get buckets for</p></td></tr><tr><td class="name"><code>n</code></td><td class="type"><span class="param-type">number</span></td><td class="attributes"><optional><br></td><td class="default">20</td><td class="description last"><p>Number of results to return</p></td></tr><tr><td class="name"><code>exclusive</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>Exclude exact matches</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="router.js.html">router.js</a>, <a href="router.js.html#line153">line 153</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">Map</span></dd></dl></div><h3 class="name has-anchor" id="getContactByNodeId"><span class="type-signature"></span>getContactByNodeId<span class="signature">(nodeId)</span><span class="type-signature"> → {<a href="module-kdns_contacts-Contact.html">module:kdns/contacts~Contact</a>}</span></h3><div class="description"><p>Returns the contact object associated with the given node id</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>nodeId</code></td><td class="type"><span class="param-type">string</span> |<wbr> <span class="param-type">buffer</span></td><td class="description last"><p>Node identity of the contact</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="router.js.html">router.js</a>, <a href="router.js.html#line91">line 91</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><dl class="param-type"><dt>Type: </dt><dd><span class="param-type"><a href="module-kdns_contacts-Contact.html">module:kdns/contacts~Contact</a></span></dd></dl></div><h3 class="name has-anchor" id="indexOf"><span class="type-signature"></span>indexOf<span class="signature">(nodeId)</span><span class="type-signature"> → {number}</span></h3><div class="description"><p>Returns the bucket index of the given node id</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>nodeId</code></td><td class="type"><span class="param-type">string</span> |<wbr> <span class="param-type">buffer</span></td><td class="description last"><p>Node identity to get index for</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="router.js.html">router.js</a>, <a href="router.js.html#line82">line 82</a></li></ul></dd></div></dl><div class="method-member-container mt-20"><strong>Returns:</strong><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">number</span></dd></dl></div><h3 class="name has-anchor" id="removeContactByNodeId"><span class="type-signature"></span>removeContactByNodeId<span class="signature">(nodeId)</span><span class="type-signature"> → {undefined}</span></h3><div class="description"><p>Removes the contact from the routing table given a node id</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>nodeId</code></td><td class="type"><span class="param-type">string</span> |<wbr> <span class="param-type">buffer</span></td><td class="description last"><p>Node identity to remove</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="router.js.html">router.js</a>, <a href="router.js.html#line103">line 103</a></li></ul></dd></div></dl><div class="method-member-container flex w-100 overflow-auto mt-20"><strong>Fires:</strong><ul><li><a href="module-kdns_router-Router.html#event:contact_deleted">module:kdns/router~Router#event:contact_deleted</a></li></ul></div><div class="method-member-container mt-20"><strong>Returns:</strong><dl class="param-type"><dt>Type: </dt><dd><span class="param-type">undefined</span></dd></dl></div><h2 id="events" class="subsection-title has-anchor">Events</h2><h3 class="name has-anchor" id="event:contact_added">contact_added</h3><div class="description"><p>Contact is inserted into the routing table</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>fingerprint</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>Node ID of the inserted contact</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="router.js.html">router.js</a>, <a href="router.js.html#line15">line 15</a></li></ul></dd></div></dl><h3 class="name has-anchor" id="event:contact_deleted">contact_deleted</h3><div class="description"><p>Contact is evicted from the routing table</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>fingerprint</code></td><td class="type"><span class="param-type">string</span></td><td class="description last"><p>Node ID of the evicted contact</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="router.js.html">router.js</a>, <a href="router.js.html#line21">line 21</a></li></ul></dd></div></dl></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 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