Infrastructure for clients to proxy MQTT traffic to node

meshtastic/mqtt.options

@@ -1,3 +1,5 @@
 *ServiceEnvelope.packet type:FT_POINTER
 *ServiceEnvelope.channel_id type:FT_POINTER
-*ServiceEnvelope.gateway_id type:FT_POINTER
+*ServiceEnvelope.gateway_id type:FT_POINTER
+
+*MqttClientProxyMessage.topic type:FT_POINTER

meshtastic/mqtt.proto

@@ -31,3 +31,17 @@ message ServiceEnvelope {
    */
   string gateway_id = 3;
 }
+
+/*
+ * This message will be proxied over the PhoneAPI for client to deliver to the MQTT server
+ */
+message MqttClientProxyMessage {
+  /*
+   * The MQTT topic this message will be sent /received on
+   */
+  string topic = 1;
+  /*
+   * The actual payload for mqtt delivery
+   */
+  ServiceEnvelope envelope = 2;
+}

meshtastic/portnums.proto

@@ -78,11 +78,17 @@ enum PortNum {
    */
   WAYPOINT_APP = 8;
 
-  /* Audio Payloads.
+  /*
+   * Audio Payloads.
    * Encapsulated codec2 packets. On 2.4 GHZ Bandwidths only for now
    */
   AUDIO_APP = 9;
 
+  /*
+   * Payloads for clients with a network connection proxying MQTT pub/sub to the device
+   */
+  MQTT_CLIENT_PROXY_APP = 10;
+
   /*
    * Provides a 'ping' service that replies to any packet it receives.
    * Also serves as a small example module.
@@ -162,4 +168,4 @@ enum PortNum {
    * Currently we limit port nums to no higher than this value
    */
   MAX = 511;
-}
+}