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Markdownish syntax for generating flowcharts, sequence diagrams and gantt charts.

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<!DOCTYPE html> <html> <head> <title>tcp-state-diagram.html</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="../../../doc-style.css" /> <script src="../../../doc-filelist.js"></script> <script> var relativeDir = "../../../", thisFile = "Users/knut/Documents/source/mermaid/bower_components/dagre-d3/demo/tcp-state-diagram.html", defaultSidebar = true; </script> <script src="../../../doc-script.js"></script> <script src="../../../mermaid.js"></script> <link rel="stylesheet" href="../../../mermaid.css" /> </head> <body> <div id="sidebar_wrapper"> <div id="sidebar_switch"> <span class="tree">Files</span> <span class="headings">Headings</span> </div> <div id="tree"></div> <div id="headings"> <div class="heading h1"> <a href="#tcp-state-diagram.html">tcp-state-diagram.html</a> </div> </div> </div> <div id="sidebar-toggle"></div> <div id="container"><div class="background highlight"></div> <table cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="docs"> <div class="pilwrap" id="tcp-state-diagram.html"> <h1> <a href="#tcp-state-diagram.html" name="tcp-state-diagram.html" class="pilcrow">&#182;</a>tcp-state-diagram.html </h1> </div> </td> <td class="code highlight"></td> </tr> <tr> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1" id="section-1">&#182;</a> </div> </td> <td class="code highlight"><div class="highlight"><pre><span class="cp">&lt;!doctype html&gt;</span> <span class="nt">&lt;meta</span> <span class="na">charset=</span><span class="s">&quot;utf-8&quot;</span><span class="nt">&gt;</span> <span class="nt">&lt;title&gt;</span>Dagre D3 Demo: TCP State Diagram<span class="nt">&lt;/title&gt;</span> <span class="nt">&lt;link</span> <span class="na">rel=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href=</span><span class="s">&quot;demo.css&quot;</span><span class="nt">&gt;</span> <span class="nt">&lt;script </span><span class="na">src=</span><span class="s">&quot;http://d3js.org/d3.v3.min.js&quot;</span> <span class="na">charset=</span><span class="s">&quot;utf-8&quot;</span><span class="nt">&gt;&lt;/script&gt;</span> <span class="nt">&lt;script </span><span class="na">src=</span><span class="s">&quot;../build/dagre-d3.js&quot;</span><span class="nt">&gt;&lt;/script&gt;</span> <span class="nt">&lt;style </span><span class="na">id=</span><span class="s">&quot;css&quot;</span><span class="nt">&gt;</span> <span class="nt">body</span> <span class="p">{</span> <span class="k">font</span><span class="o">:</span> <span class="m">300</span> <span class="m">14px</span> <span class="s1">&#39;Helvetica Neue&#39;</span><span class="o">,</span> <span class="n">Helvetica</span><span class="p">;</span> <span class="p">}</span> <span class="nc">.node</span> <span class="nt">rect</span> <span class="p">{</span> <span class="n">stroke</span><span class="o">:</span> <span class="m">#333</span><span class="p">;</span> <span class="n">fill</span><span class="o">:</span> <span class="m">#fff</span><span class="p">;</span> <span class="p">}</span> <span class="nc">.edgePath</span> <span class="nt">path</span> <span class="p">{</span> <span class="n">stroke</span><span class="o">:</span> <span class="m">#333</span><span class="p">;</span> <span class="n">fill</span><span class="o">:</span> <span class="m">#333</span><span class="p">;</span> <span class="n">stroke</span><span class="o">-</span><span class="k">width</span><span class="o">:</span> <span class="m">1.5px</span><span class="p">;</span> <span class="p">}</span> <span class="nt">&lt;/style&gt;</span> <span class="nt">&lt;h1&gt;</span>Dagre D3 Demo: TCP State Diagram<span class="nt">&lt;/h1&gt;</span> <span class="nt">&lt;svg</span> <span class="na">width=</span><span class="s">960</span> <span class="na">height=</span><span class="s">600</span><span class="nt">&gt;&lt;g/&gt;&lt;/svg&gt;</span> <span class="nt">&lt;section&gt;</span> <span class="nt">&lt;p&gt;</span>A sample rendering of a TCP state diagram (<span class="nt">&lt;a</span> <span class="na">href=</span><span class="s">&quot;http://www.rfc-editor.org/rfc/rfc793.txt&quot;</span><span class="nt">&gt;</span>RFC 793<span class="nt">&lt;/a&gt;</span>). This example shows how to set custom styles in the input graph and how to set a custom initial zoom. <span class="nt">&lt;/section&gt;</span> <span class="nt">&lt;script </span><span class="na">id=</span><span class="s">&quot;js&quot;</span><span class="nt">&gt;</span> <span class="c1">// Create a new directed graph</span> <span class="kd">var</span> <span class="nx">g</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">dagreD3</span><span class="p">.</span><span class="nx">graphlib</span><span class="p">.</span><span class="nx">Graph</span><span class="p">().</span><span class="nx">setGraph</span><span class="p">({});</span> <span class="c1">// States and transitions from RFC 793</span> <span class="kd">var</span> <span class="nx">states</span> <span class="o">=</span> <span class="p">[</span> <span class="s2">&quot;CLOSED&quot;</span><span class="p">,</span> <span class="s2">&quot;LISTEN&quot;</span><span class="p">,</span> <span class="s2">&quot;SYN RCVD&quot;</span><span class="p">,</span> <span class="s2">&quot;SYN SENT&quot;</span><span class="p">,</span> <span class="s2">&quot;ESTAB&quot;</span><span class="p">,</span> <span class="s2">&quot;FINWAIT-1&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSE WAIT&quot;</span><span class="p">,</span> <span class="s2">&quot;FINWAIT-2&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSING&quot;</span><span class="p">,</span> <span class="s2">&quot;LAST-ACK&quot;</span><span class="p">,</span> <span class="s2">&quot;TIME WAIT&quot;</span> <span class="p">];</span> <span class="c1">// Automatically label each of the nodes</span> <span class="nx">states</span><span class="p">.</span><span class="nx">forEach</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">state</span><span class="p">)</span> <span class="p">{</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setNode</span><span class="p">(</span><span class="nx">state</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="nx">state</span> <span class="p">});</span> <span class="p">});</span> <span class="c1">// Set up the edges</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;CLOSED&quot;</span><span class="p">,</span> <span class="s2">&quot;LISTEN&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;open&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;LISTEN&quot;</span><span class="p">,</span> <span class="s2">&quot;SYN RCVD&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv SYN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;LISTEN&quot;</span><span class="p">,</span> <span class="s2">&quot;SYN SENT&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;send&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;LISTEN&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSED&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;close&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;SYN RCVD&quot;</span><span class="p">,</span> <span class="s2">&quot;FINWAIT-1&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;close&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;SYN RCVD&quot;</span><span class="p">,</span> <span class="s2">&quot;ESTAB&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv ACK of SYN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;SYN SENT&quot;</span><span class="p">,</span> <span class="s2">&quot;SYN RCVD&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv SYN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;SYN SENT&quot;</span><span class="p">,</span> <span class="s2">&quot;ESTAB&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv SYN, ACK&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;SYN SENT&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSED&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;close&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;ESTAB&quot;</span><span class="p">,</span> <span class="s2">&quot;FINWAIT-1&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;close&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;ESTAB&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSE WAIT&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv FIN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;FINWAIT-1&quot;</span><span class="p">,</span> <span class="s2">&quot;FINWAIT-2&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv ACK of FIN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;FINWAIT-1&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSING&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv FIN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;CLOSE WAIT&quot;</span><span class="p">,</span> <span class="s2">&quot;LAST-ACK&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;close&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;FINWAIT-2&quot;</span><span class="p">,</span> <span class="s2">&quot;TIME WAIT&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv FIN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;CLOSING&quot;</span><span class="p">,</span> <span class="s2">&quot;TIME WAIT&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv ACK of FIN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;LAST-ACK&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSED&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;rcv ACK of FIN&quot;</span> <span class="p">});</span> <span class="nx">g</span><span class="p">.</span><span class="nx">setEdge</span><span class="p">(</span><span class="s2">&quot;TIME WAIT&quot;</span><span class="p">,</span> <span class="s2">&quot;CLOSED&quot;</span><span class="p">,</span> <span class="p">{</span> <span class="nx">label</span><span class="o">:</span> <span class="s2">&quot;timeout=2MSL&quot;</span> <span class="p">});</span> <span class="c1">// Set some general styles</span> <span class="nx">g</span><span class="p">.</span><span class="nx">nodes</span><span class="p">().</span><span class="nx">forEach</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">v</span><span class="p">)</span> <span class="p">{</span> <span class="kd">var</span> <span class="nx">node</span> <span class="o">=</span> <span class="nx">g</span><span class="p">.</span><span class="nx">node</span><span class="p">(</span><span class="nx">v</span><span class="p">);</span> <span class="nx">node</span><span class="p">.</span><span class="nx">rx</span> <span class="o">=</span> <span class="nx">node</span><span class="p">.</span><span class="nx">ry</span> <span class="o">=</span> <span class="mi">5</span><span class="p">;</span> <span class="p">});</span> <span class="c1">// Add some custom colors based on state</span> <span class="nx">g</span><span class="p">.</span><span class="nx">node</span><span class="p">(</span><span class="s1">&#39;CLOSED&#39;</span><span class="p">).</span><span class="nx">style</span> <span class="o">=</span> <span class="s2">&quot;fill: #f77&quot;</span><span class="p">;</span> <span class="nx">g</span><span class="p">.</span><span class="nx">node</span><span class="p">(</span><span class="s1">&#39;ESTAB&#39;</span><span class="p">).</span><span class="nx">style</span> <span class="o">=</span> <span class="s2">&quot;fill: #7f7&quot;</span><span class="p">;</span> <span class="kd">var</span> <span class="nx">svg</span> <span class="o">=</span> <span class="nx">d3</span><span class="p">.</span><span class="nx">select</span><span class="p">(</span><span class="s2">&quot;svg&quot;</span><span class="p">),</span> <span class="nx">inner</span> <span class="o">=</span> <span class="nx">svg</span><span class="p">.</span><span class="nx">select</span><span class="p">(</span><span class="s2">&quot;g&quot;</span><span class="p">);</span> <span class="c1">// Set up zoom support</span> <span class="kd">var</span> <span class="nx">zoom</span> <span class="o">=</span> <span class="nx">d3</span><span class="p">.</span><span class="nx">behavior</span><span class="p">.</span><span class="nx">zoom</span><span class="p">().</span><span class="nx">on</span><span class="p">(</span><span class="s2">&quot;zoom&quot;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> <span class="nx">inner</span><span class="p">.</span><span class="nx">attr</span><span class="p">(</span><span class="s2">&quot;transform&quot;</span><span class="p">,</span> <span class="s2">&quot;translate(&quot;</span> <span class="o">+</span> <span class="nx">d3</span><span class="p">.</span><span class="nx">event</span><span class="p">.</span><span class="nx">translate</span> <span class="o">+</span> <span class="s2">&quot;)&quot;</span> <span class="o">+</span> <span class="s2">&quot;scale(&quot;</span> <span class="o">+</span> <span class="nx">d3</span><span class="p">.</span><span class="nx">event</span><span class="p">.</span><span class="nx">scale</span> <span class="o">+</span> <span class="s2">&quot;)&quot;</span><span class="p">);</span> <span class="p">});</span> <span class="nx">svg</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">zoom</span><span class="p">);</span> <span class="c1">// Create the renderer</span> <span class="kd">var</span> <span class="nx">render</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">dagreD3</span><span class="p">.</span><span class="nx">render</span><span class="p">();</span> <span class="c1">// Run the renderer. This is what draws the final graph.</span> <span class="nx">render</span><span class="p">(</span><span class="nx">inner</span><span class="p">,</span> <span class="nx">g</span><span class="p">);</span> <span class="c1">// Center the graph</span> <span class="kd">var</span> <span class="nx">initialScale</span> <span class="o">=</span> <span class="mf">0.75</span><span class="p">;</span> <span class="nx">zoom</span> <span class="p">.</span><span class="nx">translate</span><span class="p">([(</span><span class="nx">svg</span><span class="p">.</span><span class="nx">attr</span><span class="p">(</span><span class="s2">&quot;width&quot;</span><span class="p">)</span> <span class="o">-</span> <span class="nx">g</span><span class="p">.</span><span class="nx">graph</span><span class="p">().</span><span class="nx">width</span> <span class="o">*</span> <span class="nx">initialScale</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">20</span><span class="p">])</span> <span class="p">.</span><span class="nx">scale</span><span class="p">(</span><span class="nx">initialScale</span><span class="p">)</span> <span class="p">.</span><span class="nx">event</span><span class="p">(</span><span class="nx">svg</span><span class="p">);</span> <span class="nx">svg</span><span class="p">.</span><span class="nx">attr</span><span class="p">(</span><span class="s1">&#39;height&#39;</span><span class="p">,</span> <span class="nx">g</span><span class="p">.</span><span class="nx">graph</span><span class="p">().</span><span class="nx">height</span> <span class="o">*</span> <span class="nx">initialScale</span> <span class="o">+</span> <span class="mi">40</span><span class="p">);</span> <span class="nt">&lt;/script&gt;</span> <span class="nt">&lt;script </span><span class="na">src=</span><span class="s">&quot;demo.js&quot;</span><span class="nt">&gt;&lt;/script&gt;</span> </pre></div> </td> </tr> </tbody> </table> </div> </body> </html>