package simplerpc;

message RequestPreamble
{
  required uint32 size = 1;
  required string domain = 2;
  required uint64 request_id = 3;
}

message ResponsePreamble
{
  required uint32 size = 1;
  required uint64 request_id = 2;
}

// builtin services (domain=simplerpc.builtin)
message DomainListRequest
{
  required bool get_service_defs = 1;
}

message DomainInfo
{
  required string domain = 1;
  optional string service = 2;
  optional bytes service_defs = 3;
}

message DomainListResponse
{
  repeated DomainInfo info = 1;
}

service Builtin
{
  rpc ListDomains(DomainListRequest) returns (DomainListResponse);
}