syntax = "proto2";

package apollo.common;


// This is the engage advice that published by critical runtime modules.
message EngageAdvice {
    enum Advice {
        UNKNOWN = 0;
        DISALLOW_ENGAGE = 1;
        READY_TO_ENGAGE = 2;
        KEEP_ENGAGED = 3;
        PREPARE_DISENGAGE = 4;
    }

    optional Advice advice = 1 [default = DISALLOW_ENGAGE];
    optional string reason = 2;
}