server

package
v1.3.0 Latest Latest
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Published: Jan 4, 2024 License: MIT Imports: 18 Imported by: 1

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Overview

nolint

Index

Constants

This section is empty.

Variables

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var ErrNotConnected = errors.New("peer is not connected")

ErrNotConnected is returned when peer is not connected.

Functions

This section is empty.

Types

type Handler added in v1.0.0

type Handler func(context.Context, []byte) ([]byte, error)

Handler is the handler to be defined by the application.

type Host added in v1.0.0

type Host interface {
	SetStreamHandler(protocol.ID, network.StreamHandler)
	NewStream(context.Context, peer.ID, ...protocol.ID) (network.Stream, error)
	Network() network.Network
}

Host is a subset of libp2p Host interface that needs to be implemented to be usable with server.

type Opt added in v1.0.0

type Opt func(s *Server)

Opt is a type to configure a server.

func WithLog added in v1.0.0

func WithLog(log log.Log) Opt

WithLog configures logger for the server.

func WithMetrics added in v1.3.0

func WithMetrics() Opt

WithMetrics will enable metrics collection in the server.

func WithQueueSize added in v1.3.0

func WithQueueSize(size int) Opt

WithQueueSize parametrize number of message that will be kept in queue and eventually processed by server. Otherwise stream is closed immediately.

Size of the queue should be set to account for maximum expected latency, such as if expected latency is 10s and server processes 1000 requests per second size should be 100.

Defaults to 100.

func WithRequestSizeLimit added in v1.0.0

func WithRequestSizeLimit(limit int) Opt

func WithRequestsPerInterval added in v1.3.0

func WithRequestsPerInterval(n int, interval time.Duration) Opt

WithRequestsPerInterval parametrizes server rate limit to limit maximum amount of bandwidth that this handler can consume.

Defaults to 100 requests per second.

func WithTimeout added in v1.0.0

func WithTimeout(timeout time.Duration) Opt

WithTimeout configures stream timeout.

type Response added in v1.0.0

type Response struct {
	Data  []byte `scale:"max=41943040"` // 40 MiB
	Error string `scale:"max=1024"`     // TODO(mafa): make error code instead of string
}

Response is a server response.

func (*Response) DecodeScale added in v1.0.0

func (t *Response) DecodeScale(dec *scale.Decoder) (total int, err error)

func (*Response) EncodeScale added in v1.0.0

func (t *Response) EncodeScale(enc *scale.Encoder) (total int, err error)

type Server added in v1.0.0

type Server struct {
	// contains filtered or unexported fields
}

Server for the Handler.

func New added in v1.0.0

func New(h Host, proto string, handler Handler, opts ...Opt) *Server

New server for the handler.

func (*Server) Request added in v1.0.0

func (s *Server) Request(
	ctx context.Context,
	pid peer.ID,
	req []byte,
	resp func([]byte),
	failure func(error),
) error

Request sends a binary request to the peer. Request is executed in the background, one of the callbacks is guaranteed to be called on success/error.

func (*Server) Run added in v1.3.0

func (s *Server) Run(ctx context.Context) error

Directories

Path Synopsis
Code generated by MockGen.
Code generated by MockGen.

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