New creates a new P2P node, ready for protocol registration.

NewConfig initialize config.

ErrDatadirUsed datadir already used by another process,datadir can only be accessed by a process.

ErrNodeRunning node already running.

ErrNodeStopped node not started.

ErrServiceUnknown unknown service.

Config represents a small collection of configuration values to fine tune the P2P network layer of a protocol stack.

Node is a container on which services can be registered.

ServiceContext is a collection of service independent options inherited from the protocol stack, that is passed to all constructors to be optionally used; as well as utility methods to operate on the service environment.

StopError is returned if a Node fails to stop either any of its registered services or itself.

Service is an individual protocol that can be registered into a node.

ServiceConstructor is the function signature of the constructors needed to be registered for service instantiation.