Add a few safeguards around channel saving

index.js

@@ -126,3 +126,8 @@ if (Config.get("service-socket.enabled")) {
     var server = new ServiceSocket;
     server.init(handleLine, Config.get("service-socket.socket"));
 }
+
+require("bluebird");
+process.on("unhandledRejection", function (reason, promise) {
+    Logger.errlog.log("[SEVERE] Unhandled rejection: " + reason.stack);
+});

package.json

@@ -2,7 +2,7 @@
   "author": "Calvin Montgomery",
   "name": "CyTube",
   "description": "Online media synchronizer and chat",
-  "version": "3.25.1",
+  "version": "3.25.2",
   "repository": {
     "url": "http://github.com/calzoneman/sync"
   },

src/bgtask.js

@@ -63,15 +63,24 @@ function initChannelDumper(Server) {
                                 * 60000;
     setInterval(function () {
         var wait = CHANNEL_SAVE_INTERVAL / Server.channels.length;
+        Logger.syslog.log(`Saving channels with delay ${wait}`);
         Promise.reduce(Server.channels, (_, chan) => {
             return Promise.delay(wait).then(() => {
+                if (chan.name === 'test')
+                    throw new TypeError('Whoops fucked up there');
                 if (!chan.dead && chan.users && chan.users.length > 0) {
-                    return chan.saveState().catch(err => {
+                    return chan.saveState().tap(() => {
+                        Logger.syslog.log(`Saved /r/${chan.name}`);
+                    }).catch(err => {
                         Logger.errlog.log(`Failed to save /r/${chan.name}: ${err.stack}`);
                     });
                 }
+            }).catch(error => {
+                Logger.errlog.log(`Failed to save channel: ${error.stack}`);
             });
-        }, 0);
+        }, 0).catch(error => {
+            Logger.errlog.log(`Failed to save channels: ${error.stack}`);
+        });
     }, CHANNEL_SAVE_INTERVAL);
 }
 

src/server.js

@@ -319,11 +319,15 @@ Server.prototype.setAnnouncement = function (data) {
 Server.prototype.shutdown = function () {
     Logger.syslog.log("Unloading channels");
     Promise.map(this.channels, channel => {
-        return channel.saveState().tap(() => {
-            Logger.syslog.log(`Saved /r/${channel.name}`);
-        }).catch(err => {
-            Logger.errlog.log(`Failed to save /r/${channel.name}: ${err.stack}`);
-        });
+        try {
+            return channel.saveState().tap(() => {
+                Logger.syslog.log(`Saved /r/${channel.name}`);
+            }).catch(err => {
+                Logger.errlog.log(`Failed to save /r/${channel.name}: ${err.stack}`);
+            });
+        } catch (error) {
+            Logger.errlog.log(`Failed to save channel: ${error.stack}`);
+        }
     }, { concurrency: 5 }).then(() => {
         Logger.syslog.log("Goodbye");
         process.exit(0);