syntax = "proto3";
message RegistrationRequest{
  string token = 1;
  string mac_address = 2;
}

message RegistrationResponse{
  fixed32 virtual_ip = 1;
  fixed32 virtual_gateway = 2;
  fixed32 virtual_netmask = 3;
  uint32 epoch = 4;
  repeated fixed32 virtual_ip_list = 5;
  fixed32 public_ip = 6;
  uint32 public_port = 7;
}

message DeviceList{
  uint32 epoch = 1;
  repeated fixed32 virtual_ip_list = 2;
}

message Punch{
  fixed32 virtual_ip = 1;
  repeated fixed32 public_ip_list = 2;
  uint32 public_port = 3;
  uint32 public_port_range = 4;
  NatType nat_type = 5;
  bool reply = 6;
  Step step = 7;
}
enum NatType{
  Symmetric = 0;
  Cone = 1;
}
enum Step{
  Step1 = 0;
  Step2 = 1;
  Step3 = 2;
  Step4 = 3;
}