From 4a24c47a69f56e8275ef330beca3c2925d270948 Mon Sep 17 00:00:00 2001
From: olebedev <oolebedev@gmail.com>
Date: Mon, 25 Aug 2014 15:58:43 +0400
Subject: [PATCH] Hijacker interface added

---
 response_writer.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/response_writer.go b/response_writer.go
index 91afe89bfa..4a65daf45e 100644
--- a/response_writer.go
+++ b/response_writer.go
@@ -1,7 +1,10 @@
 package gin
 
 import (
+	"bufio"
+	"errors"
 	"log"
+	"net"
 	"net/http"
 )
 
@@ -11,6 +14,7 @@ type (
 		Status() int
 		Written() bool
 		WriteHeaderNow()
+		Hijack() (net.Conn, *bufio.ReadWriter, error)
 	}
 
 	responseWriter struct {
@@ -54,3 +58,12 @@ func (w *responseWriter) Status() int {
 func (w *responseWriter) Written() bool {
 	return w.written
 }
+
+// allow connection hijacking
+func (w *responseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
+	hijacker, ok := w.ResponseWriter.(http.Hijacker)
+	if !ok {
+		return nil, nil, errors.New("the ResponseWriter doesn't support the Hijacker interface")
+	}
+	return hijacker.Hijack()
+}