syntax = "proto3"; import "constants.proto"; message S0SessionCmd { } message S0SessionResp { Status status = 1; } enum Sec0MsgType { S0_Session_Command = 0; S0_Session_Response = 1; } message Sec0Payload { Sec0MsgType msg = 1; oneof payload { S0SessionCmd sc = 20; S0SessionResp sr = 21; } }