Add OUI Vendor to excessive requests data

api/get_dhcp_requests.js

@@ -7,7 +7,7 @@ router.get('/', function(req, res, next) {
     var stat_data = dhcp_requests;
 
     for (var key in stat_data) {
-        if(stat_data[key].request_count <= 100)
+        if(stat_data[key].request_count <= 10)
             delete stat_data[key];
     }
 

app.js

@@ -280,12 +280,12 @@ var tail_dhcp_log = new tail_module(
 dhcp_requests = {};
 
 tail_dhcp_log.on("line", function(data) {
-	if(listening_to_log_file) {
+    if (listening_to_log_file) {
-		wss.broadcast_event(data, 'dhcp_log_subscription');
+        wss.broadcast_event(data, 'dhcp_log_subscription');
-	}
+    }
 
 	/* Collect Excessive DHCP Request Data */
-	if(/DHCPREQUEST/i.test(data)){
+    if (/DHCPREQUEST/i.test(data)) {
 
         var request_from = "";
         var request_for = "";
@@ -294,31 +294,40 @@ tail_dhcp_log.on("line", function(data) {
         var request_data = data.split(" ");
         var length = request_data.length;
         for (var i = 0; i < length; i++) {
-            if(request_data[i] == "from"){
+            if (request_data[i] == "from") {
-            	request_from = request_data[i + 1];
+                request_from = request_data[i + 1];
-			}
+            }
-            if(request_data[i] == "for"){
+            if (request_data[i] == "for") {
-            	request_for = request_data[i + 1];
+                request_for = request_data[i + 1];
-			}
+            }
-            if(request_data[i] == "via"){
+            if (request_data[i] == "via") {
-            	request_via = request_data[i + 1];
+                request_via = request_data[i + 1];
-			}
+            }
         }
 
-        if(typeof dhcp_requests[request_from] === "undefined")
+        if (typeof dhcp_requests[request_from] === "undefined")
             dhcp_requests[request_from] = {};
 
-		if(typeof dhcp_requests[request_from].request_for === "undefined")
+        if (typeof dhcp_requests[request_from].request_for === "undefined")
             dhcp_requests[request_from].request_for = request_for;
 
-        if(typeof dhcp_requests[request_from].request_via === "undefined")
+        if (typeof dhcp_requests[request_from].request_via === "undefined")
             dhcp_requests[request_from].request_via = request_via;
 
-        if(typeof dhcp_requests[request_from].request_count === "undefined")
+        if (typeof dhcp_requests[request_from].request_count === "undefined")
             dhcp_requests[request_from].request_count = 0;
 
+        if (typeof request_from !== "undefined") {
+            if (request_from.length == 17 && /:/.test(request_from)) {
+                var mac_oui = request_from.split(":").join("").toUpperCase().slice(0, 6);
+
+                if (typeof dhcp_requests[request_from].request_vendor === "undefined")
+                    dhcp_requests[request_from].request_vendor = oui_data[mac_oui];
+            }
+        }
+
         dhcp_requests[request_from].request_count++;
-	}
+    }
 });
 
 const purge_request_data = setInterval(function() {
@@ -333,15 +342,15 @@ const purge_request_data_hour = setInterval(function() {
 }, 3600 * 1000); /* 60 Minutes */
 
 wss.on('connection', function connection(ws) {
-	socket_clients++;
+    socket_clients++;
-	console.log("[WS] CLIENT_CONNECT: Socket clients (" + socket_clients + ")");
+    console.log("[WS] CLIENT_CONNECT: Socket clients (" + socket_clients + ")");
 
-	if (!listening_to_log_file) {
+    if (!listening_to_log_file) {
 		/* Watch log file for new information */
-		var tail_module = require('always-tail2');
+        var tail_module = require('always-tail2');
 
-		listening_to_log_file = 1;
+        listening_to_log_file = 1;
-	}
+    }
 
 });
 

public/templates/dhcp_statistics_page.html

@@ -22,14 +22,15 @@
 
         <div class="card hide_me">
             <div class="header">
-                <h2>Excessive DHCP Requests</h2>
+                <h2>Excessive DHCP Requests (10 Minute Interval)</h2>
             </div>
             <div class="body">
-                <small>Usually indicative of a physical error on the network with one-way communication</small>
+                <small>Usually indicative of a physical error on the network with one-way communication</small><br><br>
                 <table id="excessive_requests"  class="table table-bordered table-striped table-hover js-basic-example dataTable dashboard-task-infos">
                     <thead>
                         <tr>
                             <th>MAC</th>
+                            <th>Vendor</th>
                             <th>Requesting IP</th>
                             <th>Request Via</th>
                             <th>Count</th>
@@ -137,6 +138,7 @@
         $.each(data, function(k, v) {
             $('#excessive_requests  > tbody:last-child').append('<tr>' +
                 '<td>' + k + '</td>' +
+                '<td>' + data[k].request_vendor + '</td>' +
                 '<td>' + data[k].request_for + '</td>' +
                 '<td>' + data[k].request_via + '</td>' +
                 '<td>' + data[k].request_count.toLocaleString('en') + '</td>' +
@@ -150,7 +152,7 @@
             responsive: true,
             "pageLength": 20,
             "aaSorting": [],
-            "order": [[ 3, "desc" ]]
+            "order": [[ 4, "desc" ]]
         });
 
         // $('table').fadeIn(100);