From 9df9de0922611e92e9f9bb201bdc82ac8c8adf6c Mon Sep 17 00:00:00 2001
From: Ylian Saint-Hilaire <ysainthilaire@hotmail.com>
Date: Wed, 7 Oct 2020 12:44:50 -0700
Subject: [PATCH] AMT manager improvements.

---
 amtmanager.js                   | 31 ++++++++++++++++++-------------
 views/default-mobile.handlebars |  2 +-
 views/default.handlebars        |  2 +-
 3 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/amtmanager.js b/amtmanager.js
index 07260ab0..812b755f 100644
--- a/amtmanager.js
+++ b/amtmanager.js
@@ -40,20 +40,25 @@ module.exports.CreateAmtManager = function(parent) {
 
     // Handle server events
     obj.HandleEvent = function (source, event, ids, id) {
-        if (event.action != 'nodeconnect') return;
-        if ((event.conn & 14) != 0) { // connectType: Bitmask, 1 = MeshAgent, 2 = Intel AMT CIRA, 4 = Intel AMT local, 8 = Intel AMT Relay, 16 = MQTT
-            // We have an OOB connection to Intel AMT, update our information
-            var dev = obj.amtDevices[event.nodeid];
-            if (dev == null) { obj.amtDevices[event.nodeid] = dev = { conn: event.conn }; fetchIntelAmtInformation(event.nodeid); } else { dev.conn = event.conn; }
-        } else if (((event.conn & 1) != 0) && (parent.webserver != null)) {
-            // We have an agent connection without OOB, check if this agent supports Intel AMT
-            var agent = parent.webserver.wsagents[event.nodeid];
-            if ((agent == null) || (agent.agentInfo == null) || (parent.meshAgentsArchitectureNumbers[agent.agentInfo.agentId].amt == false)) { removeDevice(event.nodeid); return; }
-            var dev = obj.amtDevices[event.nodeid];
-            if (dev == null) { obj.amtDevices[event.nodeid] = dev = { conn: event.conn }; fetchIntelAmtInformation(event.nodeid); } else { dev.conn = event.conn; }
-        } else {
-            removeDevice(event.nodeid);
+        // React to nodes connecting and disconnecting
+        if (event.action == 'nodeconnect') {
+            if ((event.conn & 14) != 0) { // connectType: Bitmask, 1 = MeshAgent, 2 = Intel AMT CIRA, 4 = Intel AMT local, 8 = Intel AMT Relay, 16 = MQTT
+                // We have an OOB connection to Intel AMT, update our information
+                var dev = obj.amtDevices[event.nodeid];
+                if (dev == null) { obj.amtDevices[event.nodeid] = dev = { conn: event.conn }; fetchIntelAmtInformation(event.nodeid); } else { dev.conn = event.conn; }
+            } else if (((event.conn & 1) != 0) && (parent.webserver != null)) {
+                // We have an agent connection without OOB, check if this agent supports Intel AMT
+                var agent = parent.webserver.wsagents[event.nodeid];
+                if ((agent == null) || (agent.agentInfo == null) || (parent.meshAgentsArchitectureNumbers[agent.agentInfo.agentId].amt == false)) { removeDevice(event.nodeid); return; }
+                var dev = obj.amtDevices[event.nodeid];
+                if (dev == null) { obj.amtDevices[event.nodeid] = dev = { conn: event.conn }; fetchIntelAmtInformation(event.nodeid); } else { dev.conn = event.conn; }
+            } else {
+                removeDevice(event.nodeid);
+            }
         }
+
+        // React to node being removed
+        if (event.action == 'removenode') { removeDevice(event.nodeid); }
     }
 
     // Remove a device
diff --git a/views/default-mobile.handlebars b/views/default-mobile.handlebars
index fa47a02a..1aff4d7d 100644
--- a/views/default-mobile.handlebars
+++ b/views/default-mobile.handlebars
@@ -1472,7 +1472,7 @@
                         }
                         case 'ifchange': {
                             // Network interface changed for a device, if we are currently viewing this device, ask for an update.
-                            if (currentNode._id == message.event.nodeid) { meshserver.send({ action: 'getnetworkinfo', nodeid: currentNode._id }); }
+                            if ((currentNode != null) && (currentNode._id == message.event.nodeid)) { meshserver.send({ action: 'getnetworkinfo', nodeid: currentNode._id }); }
                             break;
                         }
                         case 'devicesessions': {
diff --git a/views/default.handlebars b/views/default.handlebars
index 0c49f443..2e4da2f9 100644
--- a/views/default.handlebars
+++ b/views/default.handlebars
@@ -2955,7 +2955,7 @@
                         }
                         case 'ifchange': {
                             // Network interface changed for a device, if we are currently viewing this device, ask for an update.
-                            if (currentNode._id == message.event.nodeid) { meshserver.send({ action: 'getnetworkinfo', nodeid: currentNode._id }); }
+                            if ((currentNode != null) && (currentNode._id == message.event.nodeid)) { meshserver.send({ action: 'getnetworkinfo', nodeid: currentNode._id }); }
                             break;
                         }
                         case 'devicesessions': {