syntax = "proto3";

package demo.crosslink;

option java_package = "com.huangzj.cross.gen";
option java_multiple_files = true;

message CrossPing {
  string trace = 1;
  int32 nonce = 2;
}

message CrossPong {
  string trace = 1;
  int32 nonce = 2;
  int64 cross_time_ms = 3;
}