syntax = "proto3"; package session_db_api; service SessionService { rpc GetSession(GetSessionRequest) returns (GetSessionResponse); rpc RefreshSession(RefreshSessionRequest) returns (RefreshSessionResponse); } message GetSessionRequest { string session_id = 1; } message GetSessionResponse { string session_id = 1; string user_id = 2; } message RefreshSessionRequest { string session_id = 1; } message RefreshSessionResponse { bool valid = 1; }