[nginx] Upstream: introduced u->upstream.

[Maxim Dounin]

details:   http://hg.nginx.org/nginx/rev/edcd9303a4d3
branches:  
changeset: 6703:edcd9303a4d3
user:      Maxim Dounin <mdounin at mdounin.ru>
date:      Thu Sep 22 19:32:26 2016 +0300
description:
Upstream: introduced u->upstream.

It holds upstream{} block configuration, including ones selected via
run-time lookup using variables.

diffstat:

 src/http/ngx_http_upstream.c         |  2 ++
 src/http/ngx_http_upstream.h         |  1 +
 src/stream/ngx_stream_proxy_module.c |  2 ++
 src/stream/ngx_stream_upstream.h     |  1 +
 4 files changed, 6 insertions(+), 0 deletions(-)

diffs (46 lines):

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -748,6 +748,8 @@ found:
         return;
     }
 
+    u->upstream = uscf;
+
 #if (NGX_HTTP_SSL)
     u->ssl_name = uscf->host;
 #endif
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -313,6 +313,7 @@ struct ngx_http_upstream_s {
     ngx_chain_writer_ctx_t           writer;
 
     ngx_http_upstream_conf_t        *conf;
+    ngx_http_upstream_srv_conf_t    *upstream;
 #if (NGX_HTTP_CACHE)
     ngx_array_t                     *caches;
 #endif
diff --git a/src/stream/ngx_stream_proxy_module.c b/src/stream/ngx_stream_proxy_module.c
--- a/src/stream/ngx_stream_proxy_module.c
+++ b/src/stream/ngx_stream_proxy_module.c
@@ -521,6 +521,8 @@ found:
         return;
     }
 
+    u->upstream = uscf;
+
 #if (NGX_STREAM_SSL)
     u->ssl_name = uscf->host;
 #endif
diff --git a/src/stream/ngx_stream_upstream.h b/src/stream/ngx_stream_upstream.h
--- a/src/stream/ngx_stream_upstream.h
+++ b/src/stream/ngx_stream_upstream.h
@@ -124,6 +124,7 @@ typedef struct {
     ngx_str_t                          ssl_name;
 #endif
 
+    ngx_stream_upstream_srv_conf_t    *upstream;
     ngx_stream_upstream_resolved_t    *resolved;
     ngx_stream_upstream_state_t       *state;
     unsigned                           connected:1;