syntax = "proto3";

import "google/protobuf/empty.proto";
package emerwen;

service EmerwenProtocol {
    rpc GetTargets (google.protobuf.Empty) returns (TargetsResponse);
    rpc SetTargetState (SetTargetStateRequest) returns (google.protobuf.Empty);
}

message Target {
    uint32 id = 1;
    string addr = 2;
    uint32 interval = 3;
    oneof method {
        MethodPing ping = 4;
        MethodGET get = 5;
    }

    message MethodPing {}
    message MethodGET {
        repeated uint32 ok_codes = 1;
    }
}

message TargetsResponse {
    repeated Target targets = 1;
}

enum TargetState {
    DOWN = 0;
    UP = 1;
    UNKNOWN = 2;
}

message SetTargetStateRequest {
    uint32 id = 1;
    TargetState state = 2;
}