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Go forward proxy with bandwidth limiting.

License: MIT License

Go 100.00%

proxy forward-proxy rate-limiting screenshot

goforward's Introduction

Goforward

Go forward proxy with rate limiting. The code is based on Michał Łowicki's 100 LOC forward proxy.

Download

Releases can be downloaded from here.

Install

go get -v github.com/jamesmoriarty/goforward
go install github.com/jamesmoriarty/goforward

Usage

goforward

goforward -h
Usage of goforward:
  -port string
        Proxy listen port (default "8888")g
  -rate int
        Proxy bandwidth ratelimit (default 524288)

use with .exe on windows.

Build

go build .\cmd\goforward.go

Test

go test

Why

I needed a way to download 53GB without making my household internet unusable. In summary:

First Solution

Shape the traffic in the application.

Second Solution

Shape the traffic in kernal space.

Third Solution

Shape the traffic in user space.

goforward's People

Contributors

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Forkers

jaanek thalesfsp ieee0824 suryatmodulus fgsoap sonataruby kiennguyenbinh moxicution

goforward's Issues

Distributed buckets?

Can we distribute across multiple proxy instances?

Blocks forever on chunk larger than rate

Currently looks ok but suspect there may be an issue with some configurations.

Don't mutate default transport

	dialer := &net.Dialer{}

	http.DefaultTransport.(*http.Transport).DialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
		conn, err := dialer.DialContext(ctx, network, addr)

		return RateLimitedConn{conn, bucket}, err
	}

	http.DefaultTransport.(*http.Transport).DialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
		dialer := &net.Dialer{}
		conn, err := dialer.DialContext(ctx, network, addr)

		return RateLimitedConn{conn, bucket}, err
	}

Need to create custom transport https://forum.golangbridge.org/t/net-http-dialcontext/8200/5

tr := &http.Transport{DialContext: portInfo.myDialContext,

Implement QOS

Under load first byte latency appears to increase.

Does large chunks causing thrashing between globally locked connections.

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