syntax = "proto3";

option java_package = "com.geeksville.mesh";
option java_outer_classname = "Portnums";
option optimize_for = LITE_RUNTIME;

/*
 * For any new 'apps' that run on the device or via sister apps on phones/PCs they should pick and use a
 * unique 'portnum' for their application.
 *
 * If you are making a new app using meshtastic, please send in a pull request to add your 'portnum' to this
 * master table.
 * PortNums should be assigned in the following range:
 *
 * 0-63   Core Meshtastic use, do not use for third party apps
 * 64-127 Registered 3rd party apps, send in a pull request that adds a new entry to portnums.proto to  register your application
 * 256-511 Use one of these portnums for your private applications that you don't want to register publically
 *
 * All other values are reserved.
 *
 * Note: This was formerly a Type enum named 'typ' with the same id #
 *
 * We have change to this 'portnum' based scheme for specifying app handlers for particular payloads.
 * This change is backwards compatible by treating the legacy OPAQUE/CLEAR_TEXT values identically.
 */
enum PortNum {

    /*
     * Deprecated: do not use in new code (formerly called OPAQUE)
     * A message sent from a device outside of the mesh, in a form the mesh does not understand 
     * NOTE: This must be 0, because it is documented in IMeshService.aidl to be so
     */
    UNKNOWN_APP = 0;

    /*
     * A simple UTF-8 text message, which even the little micros in the mesh
     * can understand and show on their screen eventually in some circumstances
     * even signal might send messages in this form (see below)
     * Formerly called CLEAR_TEXT
     */
    TEXT_MESSAGE_APP = 1;

    /*
     * A message receive acknowledgment, sent in cleartext - allows radio to
     * show user that a message has been read by the recipient, optional
     * Note: this concept has been removed for now.
     * Once READACK is implemented, use the new packet type/port number stuff?
     * @exclude
     * CLEAR_READACK = 2;
     */

    /*
     * Reserved for built-in GPIO/example app.
     * See remote_hardware.proto/HardwareMessage for details on the message sent/received to this port number
     */ 
    REMOTE_HARDWARE_APP = 2;

    /*
     * The built-in position messaging app.
     * Payload is a [Position](/developers/protobufs/api.md#position) message
     */
    POSITION_APP = 3;

    /*
     * The built-in user info app.
     * Payload is a [User](/developers/protobufs/api.md#user) message
     */
    NODEINFO_APP = 4;

    /*
     * Protocol control packets for mesh protocol use.
     * Payload is a [Routing](/developers/protobufs/api.md#routing) message
     */
    ROUTING_APP = 5;

    /*
     * Admin control packets.
     * Payload is a [AdminMessage](/developers/protobufs/api.md#adminmessage) message
     */
    ADMIN_APP = 6;

    /*
     * Provides a 'ping' service that replies to any packet it receives.
     * Also serves as a small example plugin.
     */
    REPLY_APP = 32;

    /*
     * Used for the python IP tunnel feature
     */
    IP_TUNNEL_APP = 33;

    /*
     * Provides a hardware serial interface to send and receive from the Meshtastic network.
     * Connect to the RX/TX pins of a device with 38400 8N1. Packets received from the Meshtastic
     * network is forwarded to the RX pin while sending a packet to TX will go out to the Mesh network.
     * Maximum packet size of 240 bytes.
     * Plugin is disabled by default can be turned on by setting SERIALPLUGIN_ENABLED = 1 in SerialPlugh.cpp.
     * Maintained by Jm Casler (MC Hamster) : jm@casler.org
     */
    SERIAL_APP = 64;

    /*
     * STORE_FORWARD_APP (Work in Progress)
     * Maintained by Jm Casler (MC Hamster) : jm@casler.org
     */
    STORE_FORWARD_APP = 65;

    /*
     * STORE_FORWARD_APP (Work in Progress)
     * Maintained by Jm Casler (MC Hamster) : jm@casler.org
     */
    RANGE_TEST_APP = 66;
    
    /*
     * Provides a format to send and receive environmental data from the Meshtastic network.
     * Maintained by Charles Crossan (crossan007) : crossan007@gmail.com
     */
     ENVIRONMENTAL_MEASUREMENT_APP = 67;

    /*
     * Private applications should use portnums >= 256.
     * To simplify initial development and testing you can use "PRIVATE_APP"
     * in your code without needing to rebuild protobuf files (via [regen-protos.sh](https://github.com/meshtastic/Meshtastic-device/blob/master/bin/regen-protos.sh))
     */
    PRIVATE_APP = 256;

    /*
     * ATAK Forwarder Plugin https://github.com/paulmandal/atak-forwarder
     */
    ATAK_FORWARDER = 257;

    /*
     * Currently we limit port nums to no higher than this value
     */
    MAX = 511;
  }