From bb45b671c007842268d9e9a47d87366a4daebd27 Mon Sep 17 00:00:00 2001
From: nadoo <287492+nadoo@users.noreply.github.com>
Date: Sun, 22 Jul 2018 18:54:18 +0800
Subject: [PATCH] general: add dev_linux conditional build codes

---
 dev.go            |  1 -
 dev_linux.go      |  5 +++++
 proxy/ws/frame.go | 22 +++++++++++++++++++++-
 3 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 dev_linux.go

diff --git a/dev.go b/dev.go
index 2aff07f..5f58979 100644
--- a/dev.go
+++ b/dev.go
@@ -7,7 +7,6 @@ import (
 	_ "net/http/pprof"
 
 	_ "github.com/nadoo/glider/proxy/ws"
-	// _ "github.com/nadoo/glider/proxy/tproxy"
 )
 
 func init() {
diff --git a/dev_linux.go b/dev_linux.go
new file mode 100644
index 0000000..1ebcfed
--- /dev/null
+++ b/dev_linux.go
@@ -0,0 +1,5 @@
+package main
+
+import (
+	_ "github.com/nadoo/glider/proxy/tproxy"
+)
diff --git a/proxy/ws/frame.go b/proxy/ws/frame.go
index a38e490..c336039 100644
--- a/proxy/ws/frame.go
+++ b/proxy/ws/frame.go
@@ -1,4 +1,24 @@
-// https://tools.ietf.org/html/rfc6455
+// https://tools.ietf.org/html/rfc6455#section-5.2
+//
+// Frame Format
+// 0                   1                   2                   3
+// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+// +-+-+-+-+-------+-+-------------+-------------------------------+
+// |F|R|R|R| opcode|M| Payload len |    Extended payload length    |
+// |I|S|S|S|  (4)  |A|     (7)     |             (16/64)           |
+// |N|V|V|V|       |S|             |   (if payload len==126/127)   |
+// | |1|2|3|       |K|             |                               |
+// +-+-+-+-+-------+-+-------------+ - - - - - - - - - - - - - - - +
+// |     Extended payload length continued, if payload len == 127  |
+// + - - - - - - - - - - - - - - - +-------------------------------+
+// |                               |Masking-key, if MASK set to 1  |
+// +-------------------------------+-------------------------------+
+// | Masking-key (continued)       |          Payload Data         |
+// +-------------------------------- - - - - - - - - - - - - - - - +
+// :                     Payload Data continued ...                :
+// + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +
+// |                     Payload Data continued ...                |
+// +---------------------------------------------------------------+
 
 package ws