Add support for ignoring nodes with `is_ignored` field in NodeInfo (#5319)

* Add support for is_ignored bool in NodeInfo

* is_ignored is not a boring node either

* Clean out metrics and position

* Clear the key too

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

src/mesh/NodeDB.cpp

@@ -1231,12 +1231,12 @@ meshtastic_NodeInfoLite *NodeDB::getOrCreateMeshNode(NodeNum n)
             int oldestBoringIndex = -1;
             for (int i = 1; i < numMeshNodes; i++) {
                 // Simply the oldest non-favorite node
-                if (!meshNodes->at(i).is_favorite && meshNodes->at(i).last_heard < oldest) {
+                if (!meshNodes->at(i).is_favorite && !meshNodes->at(i).is_ignored && meshNodes->at(i).last_heard < oldest) {
                     oldest = meshNodes->at(i).last_heard;
                     oldestIndex = i;
                 }
                 // The oldest "boring" node
-                if (!meshNodes->at(i).is_favorite && meshNodes->at(i).user.public_key.size == 0 &&
+                if (!meshNodes->at(i).is_favorite && !meshNodes->at(i).is_ignored && meshNodes->at(i).user.public_key.size == 0 &&
                     meshNodes->at(i).last_heard < oldestBoring) {
                     oldestBoring = meshNodes->at(i).last_heard;
                     oldestBoringIndex = i;

src/mesh/Router.cpp

@@ -659,6 +659,13 @@ void Router::perhapsHandleReceived(meshtastic_MeshPacket *p)
         return;
     }
 
+    meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(p->from);
+    if (node != NULL && node->is_ignored) {
+        LOG_DEBUG("Ignore msg, 0x%x is ignored", p->from);
+        packetPool.release(p);
+        return;
+    }
+
     if (p->from == NODENUM_BROADCAST) {
         LOG_DEBUG("Ignore msg from broadcast address");
         packetPool.release(p);

src/mesh/TypeConversions.cpp

@@ -12,6 +12,7 @@ meshtastic_NodeInfo TypeConversions::ConvertToNodeInfo(const meshtastic_NodeInfo
     info.channel = lite->channel;
     info.via_mqtt = lite->via_mqtt;
     info.is_favorite = lite->is_favorite;
+    info.is_ignored = lite->is_ignored;
 
     if (lite->has_hops_away) {
         info.has_hops_away = true;

src/modules/AdminModule.cpp

@@ -283,6 +283,28 @@ bool AdminModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshta
         }
         break;
     }
+    case meshtastic_AdminMessage_set_ignored_node_tag: {
+        LOG_INFO("Client received set_ignored_node command");
+        meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(r->set_ignored_node);
+        if (node != NULL) {
+            node->is_ignored = true;
+            node->has_device_metrics = false;
+            node->has_position = false;
+            node->user.public_key.size = 0;
+            node->user.public_key.bytes[0] = 0;
+            saveChanges(SEGMENT_DEVICESTATE, false);
+        }
+        break;
+    }
+    case meshtastic_AdminMessage_remove_ignored_node_tag: {
+        LOG_INFO("Client received remove_ignored_node command");
+        meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(r->remove_ignored_node);
+        if (node != NULL) {
+            node->is_ignored = false;
+            saveChanges(SEGMENT_DEVICESTATE, false);
+        }
+        break;
+    }
     case meshtastic_AdminMessage_set_fixed_position_tag: {
         LOG_INFO("Client received set_fixed_position command");
         meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(nodeDB->getNodeNum());