Added server AgentPing/AgentPong settings.

agents/meshcore.js

@@ -623,6 +623,8 @@ function createMeshCore(agent) {
                     sendConsoleText('getScript: ' + JSON.stringify(data));
                     break;
                 }
+                case 'ping': { mesh.SendCommand('{"action":"pong"}'); break; }
+                case 'pong': { break; }
                 default:
                     // Unknown action, ignore it.
                     break;

meshagent.js

@@ -89,6 +89,10 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
             delete obj.agentUpdate;
         }
 
+        // Perform timer cleanup
+        if (obj.pingtimer) { clearInterval(obj.pingtimer); delete obj.pingtimer; }
+        if (obj.pongtimer) { clearInterval(obj.pongtimer); delete obj.pongtimer; }
+
         // Perform aggressive cleanup
         if (obj.nonce) { delete obj.nonce; }
         if (obj.nodeid) { delete obj.nodeid; }
@@ -531,11 +535,19 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
         return mesh;
     }
 
+    // Send a PING/PONG message
+    function sendPing() { obj.send('{"action":"ping"}'); }
+    function sendPong() { obj.send('{"action":"pong"}'); }
+
     // Once we get all the information about an agent, run this to hook everything up to the server
     function completeAgentConnection() {
         if ((obj.authenticated != 1) || (obj.meshid == null) || obj.pendingCompleteAgentConnection || (obj.agentInfo == null)) { return; }
         obj.pendingCompleteAgentConnection = true;
 
+        // Setup the agent PING/PONG timers
+        if ((typeof args.agentping == 'number') && (obj.pingtimer == null)) { obj.pingtimer = setInterval(sendPing, args.agentping * 1000); }
+        else if ((typeof args.agentpong == 'number') && (obj.pongtimer == null)) { obj.pongtimer = setInterval(sendPong, args.agentpong * 1000); }
+
         // If this is a recovery agent
         if (obj.agentInfo.capabilities & 0x40) {
             // Inform mesh agent that it's authenticated.
@@ -1144,6 +1156,8 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
                         // Nothing is done right now.
                         break;
                     }
+                case 'ping': { sendPong(); break; }
+                case 'pong': { break; }
                 case 'getScript':
                     {
                         // Used by the agent to get configuration scripts.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "meshcentral",
-  "version": "0.3.5-h",
+  "version": "0.3.5-i",
   "keywords": [
     "Remote Management",
     "Intel AMT",

sample-config.json

@@ -20,6 +20,8 @@
     "_WebRTC": false,
     "_ClickOnce": false,
     "_SelfUpdate": true,
+    "_AgentPing": 60,
+    "_AgentPong": 60,
     "_AllowHighQualityDesktop": true,
     "_UserAllowedIP": "127.0.0.1,192.168.1.0/24",
     "_UserBlockedIP": "127.0.0.1,::1,192.168.0.100",