tcp.patch

From c30ac038b33e16890291f8dd5b7c8b2cc87b42a3 Mon Sep 17 00:00:00 2001
From: medzeus2 <root@s53.dev>
Date: Fri, 19 Aug 2016 18:06:53 +0800
Subject: [PATCH] create patch fro nginx_tcp_proxy_module

---
 src/core/ngx_log.c            |    2 +-
 src/core/ngx_log.h            |    3 ++-
 src/event/ngx_event_connect.h |    2 ++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index 8e9408d..b511284 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -86,7 +86,7 @@ static ngx_str_t err_levels[] = {
 
 static const char *debug_levels[] = {
     "debug_core", "debug_alloc", "debug_mutex", "debug_event",
-    "debug_http", "debug_mail", "debug_stream"
+    "debug_http", "debug_mail", "debug_stream", "debug_tcp"
 };
 
 
diff --git a/src/core/ngx_log.h b/src/core/ngx_log.h
index afb73bf..28b1aff 100644
--- a/src/core/ngx_log.h
+++ b/src/core/ngx_log.h
@@ -30,6 +30,7 @@
 #define NGX_LOG_DEBUG_HTTP        0x100
 #define NGX_LOG_DEBUG_MAIL        0x200
 #define NGX_LOG_DEBUG_STREAM      0x400
+#define NGX_LOG_DEBUG_TCP         0x800
 
 /*
  * do not forget to update debug_levels[] in src/core/ngx_log.c
@@ -37,7 +38,7 @@
  */
 
 #define NGX_LOG_DEBUG_FIRST       NGX_LOG_DEBUG_CORE
-#define NGX_LOG_DEBUG_LAST        NGX_LOG_DEBUG_STREAM
+#define NGX_LOG_DEBUG_LAST        NGX_LOG_DEBUG_TCP
 #define NGX_LOG_DEBUG_CONNECTION  0x80000000
 #define NGX_LOG_DEBUG_ALL         0x7ffffff0
 
diff --git a/src/event/ngx_event_connect.h b/src/event/ngx_event_connect.h
index 10b72a1..384586b 100644
--- a/src/event/ngx_event_connect.h
+++ b/src/event/ngx_event_connect.h
@@ -33,6 +33,7 @@ typedef void (*ngx_event_save_peer_session_pt)(ngx_peer_connection_t *pc,
     void *data);
 #endif
 
+#define NGX_INVALID_CHECK_INDEX (ngx_uint_t)(-1)
 
 struct ngx_peer_connection_s {
     ngx_connection_t                *connection;
@@ -42,6 +43,7 @@ struct ngx_peer_connection_s {
     ngx_str_t                       *name;
 
     ngx_uint_t                       tries;
+    ngx_uint_t                       check_index;
     ngx_msec_t                       start_time;
 
     ngx_event_get_peer_pt            get;
-- 
1.7.1