1 files changed, 0 insertions, 159 deletions
diff --git a/src/pkg/http/reverseproxy.go b/src/pkg/http/reverseproxy.go
deleted file mode 100644
index 3f8bfdc80..000000000
--- a/src/pkg/http/reverseproxy.go
+++ /dev/null
@@ -1,159 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// HTTP reverse proxy handler
-
-package http
-
-import (
-	"io"
-	"log"
-	"net"
-	"os"
-	"strings"
-	"sync"
-	"time"
-	"url"
-)
-
-// ReverseProxy is an HTTP Handler that takes an incoming request and
-// sends it to another server, proxying the response back to the
-// client.
-type ReverseProxy struct {
-	// Director must be a function which modifies
-	// the request into a new request to be sent
-	// using Transport. Its response is then copied
-	// back to the original client unmodified.
-	Director func(*Request)
-
-	// The Transport used to perform proxy requests.
-	// If nil, DefaultTransport is used.
-	Transport RoundTripper
-
-	// FlushInterval specifies the flush interval, in
-	// nanoseconds, to flush to the client while
-	// coping the response body.
-	// If zero, no periodic flushing is done.
-	FlushInterval int64
-}
-
-func singleJoiningSlash(a, b string) string {
-	aslash := strings.HasSuffix(a, "/")
-	bslash := strings.HasPrefix(b, "/")
-	switch {
-	case aslash && bslash:
-		return a + b[1:]
-	case !aslash && !bslash:
-		return a + "/" + b
-	}
-	return a + b
-}
-
-// NewSingleHostReverseProxy returns a new ReverseProxy that rewrites
-// URLs to the scheme, host, and base path provided in target. If the
-// target's path is "/base" and the incoming request was for "/dir",
-// the target request will be for /base/dir.
-func NewSingleHostReverseProxy(target *url.URL) *ReverseProxy {
-	director := func(req *Request) {
-		req.URL.Scheme = target.Scheme
-		req.URL.Host = target.Host
-		req.URL.Path = singleJoiningSlash(target.Path, req.URL.Path)
-		if q := req.URL.RawQuery; q != "" {
-			req.URL.RawPath = req.URL.Path + "?" + q
-		} else {
-			req.URL.RawPath = req.URL.Path
-		}
-		req.URL.RawQuery = target.RawQuery
-	}
-	return &ReverseProxy{Director: director}
-}
-
-func (p *ReverseProxy) ServeHTTP(rw ResponseWriter, req *Request) {
-	transport := p.Transport
-	if transport == nil {
-		transport = DefaultTransport
-	}
-
-	outreq := new(Request)
-	*outreq = *req // includes shallow copies of maps, but okay
-
-	p.Director(outreq)
-	outreq.Proto = "HTTP/1.1"
-	outreq.ProtoMajor = 1
-	outreq.ProtoMinor = 1
-	outreq.Close = false
-
-	if clientIp, _, err := net.SplitHostPort(req.RemoteAddr); err == nil {
-		outreq.Header.Set("X-Forwarded-For", clientIp)
-	}
-
-	res, err := transport.RoundTrip(outreq)
-	if err != nil {
-		log.Printf("http: proxy error: %v", err)
-		rw.WriteHeader(StatusInternalServerError)
-		return
-	}
-
-	hdr := rw.Header()
-	for k, vv := range res.Header {
-		for _, v := range vv {
-			hdr.Add(k, v)
-		}
-	}
-
-	rw.WriteHeader(res.StatusCode)
-
-	if res.Body != nil {
-		var dst io.Writer = rw
-		if p.FlushInterval != 0 {
-			if wf, ok := rw.(writeFlusher); ok {
-				dst = &maxLatencyWriter{dst: wf, latency: p.FlushInterval}
-			}
-		}
-		io.Copy(dst, res.Body)
-	}
-}
-
-type writeFlusher interface {
-	io.Writer
-	Flusher
-}
-
-type maxLatencyWriter struct {
-	dst     writeFlusher
-	latency int64 // nanos
-
-	lk   sync.Mutex // protects init of done, as well Write + Flush
-	done chan bool
-}
-
-func (m *maxLatencyWriter) Write(p []byte) (n int, err os.Error) {
-	m.lk.Lock()
-	defer m.lk.Unlock()
-	if m.done == nil {
-		m.done = make(chan bool)
-		go m.flushLoop()
-	}
-	n, err = m.dst.Write(p)
-	if err != nil {
-		m.done <- true
-	}
-	return
-}
-
-func (m *maxLatencyWriter) flushLoop() {
-	t := time.NewTicker(m.latency)
-	defer t.Stop()
-	for {
-		select {
-		case <-t.C:
-			m.lk.Lock()
-			m.dst.Flush()
-			m.lk.Unlock()
-		case <-m.done:
-			return
-		}
-	}
-	panic("unreached")
-}