From 1f0997054e2fffe41ecc3d02a7289229882f9095 Mon Sep 17 00:00:00 2001
From: Gennadii Kovalev <gennadiy@weird.company>
Date: Wed, 15 Mar 2017 15:30:24 +0200
Subject: [PATCH] x-forward header handling

---
 server.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/server.go b/server.go
index 97ffd7d..066095b 100644
--- a/server.go
+++ b/server.go
@@ -15,6 +15,10 @@ import (
 	"time"
 )
 
+const (
+	HeaderForward = "X-Forwarded-For"
+)
+
 var (
 	ErrorServerNotSet       = errors.New("Server not set")
 	ErrorConnectionNotFound = errors.New("Connection not found")
@@ -41,6 +45,10 @@ type Server struct {
 Get ip of socket client
 */
 func (c *Channel) Ip() string {
+	forward := c.RequestHeader().Get(HeaderForward)
+	if forward != "" {
+		return forward
+	}
 	return c.ip
 }