fastforward

Fastforward is library for writing reverse proxies in rust.

usage - generic_proxy

To implement arbitrary logic for your proxy implemenet a request director function. The request, after be passed into the director will be served. ``` extern crate fastforward; extern crate http;

use http::{ header::HeaderValue, Response }; use std::io; use std::net::SocketAddr; use fastforward::generic_proxy;

// The director function mutates the incoming request before proxying the // request. In this example, the request URI is changed to the proxy URI. // This mimics the functionality of the fastforward::simpleproxy function. fn mydirector(req: &mut http::Request>) -> Option>> { // set the variables let proxyaddr = HeaderValue::fromstr("127.0.0.1:4000").unwrap();

let reqheaders = req.headersmut(); reqheaders.remove(http::header::HOST); reqheaders.insert(http::header::HOST, proxy_addr);

None // ignore the return type for this example }

fn main() -> io::Result<()> { let listenaddr: SocketAddr = "127.0.0.1:8080".parse().unwrap(); genericproxy(listenaddr, mydirector);

Ok(())

} ```