added uptime functionality

models/node.js

@@ -15,6 +15,11 @@ var Node = function Node(options, id)
 			height: 0,
 			hash: '?',
 			timestamp: 0
+		},
+		uptime: {
+			down: 0,
+			inc: 0,
+			total: 0
 		}
 	}
 
@@ -46,8 +51,12 @@ Node.prototype.update = function()
 		this.info.stats.active = true;
 	} else {
 		this.info.stats.active = false;
+		this.info.stats.uptime.down++;
 	}
 
+	this.info.stats.uptime.inc++;
+	this.info.stats.uptime.total = ((this.info.stats.uptime.inc - this.info.stats.uptime.down) / this.info.stats.uptime.inc) * 100;
+
 	return this.info;
 };
 

public/js/controllers.js

@@ -25,5 +25,6 @@ function StatsCtrl($scope, socket, _) {
 		$scope.nodesActive = _.filter($scope.nodes, function(node){ return node.stats.active == true; }).length;
 		$scope.bestBlock = _.max($scope.nodes, function(node){ return parseInt(node.stats.block.height); }).stats.block.height;
 		$scope.lastBlock = _.max($scope.nodes, function(node){ return parseInt(node.stats.block.timestamp); }).stats.block.timestamp;
+		$scope.upTimeTotal = _.reduce($scope.nodes, function(total, node){ return total + node.stats.uptime.total; }, 0) / $scope.nodes.length;
 	}
 }

public/js/filters.js

@@ -54,7 +54,24 @@ angular.module('netStatsApp.filters', [])
 	return function(timestamp) {
 		return timeClass(timestamp);
 	};
-}).filter('geoTooltip', function() {
+})
+.filter('upTimeFilter', function() {
+	return function(uptime) {
+		return Math.round(uptime) + '%';
+	};
+})
+.filter('upTimeClass', function() {
+	return function(uptime) {
+		if(uptime >= 90)
+			return 'text-success';
+
+		if(uptime >= 75)
+			return 'text-warning';
+
+		return 'text-danger';
+	};
+})
+.filter('geoTooltip', function() {
 	return function(geo) {
 		return geo.city + ", " + geo.country;
 	};

views/index.jade

@@ -35,12 +35,12 @@ block content
               span.big-details(am-time-ago="lastBlock", am-preprocess="unix")
             div.clearfix
         div.col-xs-6.stat-holder
-          div.row.big-info.uptime.text-info
+          div.row.big-info.uptime(class="{{ upTimeTotal | upTimeClass }}")
             div.pull-left.icon-full-width
               i.icon-clock
             div.pull-left
               span.small-title up-time
-              span.big-details 100%
+              span.big-details {{ upTimeTotal | upTimeFilter }}
             div.clearfix
 
         div.clearfix
@@ -84,4 +84,4 @@ block content
               td(class="{{ node.stats.block.height | blockClass : bestBlock }}").hidden-sm.hidden-xs
                 span.small {{node.stats.block.hash}}
               td(am-time-ago="node.stats.block.timestamp", am-preprocess="unix", class="{{ node.stats.block.timestamp | timeClass }}")
-              td {{ node.stats.active ? '100%' : '0%' }}
+              td(class="{{ node.stats.uptime.total | upTimeClass }}") {{ node.stats.uptime.total | upTimeFilter }}