tcpproxy

package
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Published: Sep 28, 2026 License: MIT Imports: 5 Imported by: 0

Documentation

Overview

Package tcpproxy is a test TCP forwarder that a test takes down (connections refused) and brings back on the same address, to stand in for a provider outage.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Proxy

type Proxy struct {
	URL string
	// contains filtered or unexported fields
}

Proxy forwards one local address to a target.

func New

func New(t testing.TB, endpoint string) *Proxy

New forwards a fresh local address to endpoint's host (any URL); it starts up. URL is endpoint's scheme with the local address.

func (*Proxy) Down

func (p *Proxy) Down()

Down closes the listener and every open connection.

func (*Proxy) Hang

func (p *Proxy) Hang(t testing.TB)

Hang accepts connections and never answers, like a black-holed endpoint. Up forwards new connections again; held ones stay hung until Down.

func (*Proxy) Up

func (p *Proxy) Up(t testing.TB)

Up listens on the same address again and forwards new connections.

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