gopi.ServerA HTTP or RPC server which can serve requests;
gopi.ConnPoolA pool of connections to remote servers;
gopi.ServiceDiscoveryA mechanism to either discovery available network services or register services;
gopi.PingServiceAn RPC service which responds to requests with an empty response;
gopi.InputServiceAs RPC service which emits input events (key presses, etc.);
gopi.HttpStaticA HTTP service which serves any file or folder on the filesystem.