From b2a27dd64ac61c05b5230b445362baa25f335ef6 Mon Sep 17 00:00:00 2001
From: Koenkk <koenkanters94@gmail.com>
Date: Tue, 28 Aug 2018 22:07:57 +0200
Subject: [PATCH] Implement basic graphviz networkmap. #252

---
 lib/extension/networkMap.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/extension/networkMap.js b/lib/extension/networkMap.js
index cc1be59f3..ab693afcb 100644
--- a/lib/extension/networkMap.js
+++ b/lib/extension/networkMap.js
@@ -14,6 +14,7 @@ class NetworkMap {
         // Set supported formats
         this.supportedFormats = {
             'raw': this.raw,
+            'graphviz': this.graphviz,
         };
     }
 
@@ -33,6 +34,18 @@ class NetworkMap {
     raw(topology) {
         return JSON.stringify(topology);
     }
+
+    graphviz(topology) {
+        let text = 'digraph G {\n';
+        topology.forEach((item) => {
+            text += `  "${item.ieeeAddr}" [label="${item.ieeeAddr} (${item.status})"];\n`;
+            text += `  "${item.ieeeAddr}" -> "${item.parent}" [label="${item.lqi}"]\n`;
+        });
+
+        text += '}';
+
+        return text;
+    }
 }
 
 module.exports = NetworkMap;