package httpx

import "net/http"

const xForwardedFor = "X-Forwarded-For"

// GetRemoteAddr returns the peer address, supports X-Forward-For.
func GetRemoteAddr(r *http.Request) string {
	v := r.Header.Get(xForwardedFor)
	if len(v) > 0 {
		return v
	}
	return r.RemoteAddr
}