Add channelCount metrics

src/counters.js

@@ -8,6 +8,7 @@ import * as Metrics from 'cytube-common/lib/metrics/metrics';
 import { JSONFileMetricsReporter } from 'cytube-common/lib/metrics/jsonfilemetricsreporter';
 
 var counters = {};
+var server = null;
 
 exports.add = Metrics.incCounter;
 
@@ -26,9 +27,32 @@ function getConnectedSockets() {
     }
 }
 
+function setChannelCounts(metrics) {
+    if (server === null) {
+        server = require('./server').getServer();
+    }
+
+    try {
+        var publicCount = 0;
+        var allCount = 0;
+        server.channels.forEach(function (c) {
+            allCount++;
+            if (c.modules.options && c.modules.options.get("show_public")) {
+                publicCount++;
+            }
+        });
+
+        metrics.addProperty('channelCount:all', allCount);
+        metrics.addProperty('channelCount:public', publicCount);
+    } catch (error) {
+        Logger.errlog.log(error.stack);
+    }
+}
+
 const reporter = new JSONFileMetricsReporter('counters.log');
 Metrics.setReporter(reporter);
 Metrics.setReportInterval(60000);
 Metrics.addReportHook((metrics) => {
-    metrics.incCounter('socket.io:count', getConnectedSockets());
+    metrics.addProperty('socket.io:count', getConnectedSockets());
+    setChannelCounts(metrics);
 });

www/js/callbacks.js

@@ -1121,7 +1121,7 @@ setupCallbacks = function() {
 
             var servers;
             if (socketConfig.alt && socketConfig.alt.length > 0 &&
-                    localStorage.useAltServer) {
+                    localStorage.useAltServer === "true") {
                 servers = socketConfig.alt;
                 console.log("Using alt servers: " + JSON.stringify(servers));
             } else {