syntax = "proto3";
package grpc;

option go_package = "internal/pkg/grpc";

service monitoring {
    rpc ReactorStatusHandler(ReactorStatusPing) returns (ReactorStatusResponse);
}

message ReactorStatusResponse {
    int32 id = 1;
}

message ReactorStatusPing {
    int32 id = 1;
    // new devices
    repeated Device devices = 2;
}

enum Status {
    DEAD = 0;
    ALIVE = 1;
    UNKOWN = 2;
}

message Device {
    int32 addr = 1; // i2c addr
    Status status = 2;    // most recent status
}