commit 18e4d042b04e1ec09d1b74537541b3bb99a75c3f
author Roman Arutyunyan <arut@nginx.com> Tue Oct 28 12:29:59 2014 +0300
committer Roman Arutyunyan <arut@nginx.com> Tue Oct 28 12:29:59 2014 +0300
tree 3c0f3b5495e7893adf44c0775aed048ab772ffaf
parent 0989d63f06376ab9434a6449cd316a3c555167d6

Upstream: proxy_limit_rate and friends.

The directives limit the upstream read rate.  For example,
"proxy_limit_rate 42" limits proxy upstream read rate to
42 bytes per second.

src/http/modules/ngx_http_proxy_module.c

diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 9a85973..ea4109c 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -396,6 +396,13 @@
       offsetof(ngx_http_proxy_loc_conf_t, upstream.force_ranges),
       NULL },
 
+    { ngx_string("proxy_limit_rate"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_size_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_proxy_loc_conf_t, upstream.limit_rate),
+      NULL },
+
 #if (NGX_HTTP_CACHE)
 
     { ngx_string("proxy_cache"),
@@ -2490,6 +2497,7 @@
 
     conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE;
     conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
+    conf->upstream.limit_rate = NGX_CONF_UNSET_SIZE;
 
     conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE;
     conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE;
@@ -2601,6 +2609,9 @@
                               prev->upstream.buffer_size,
                               (size_t) ngx_pagesize);
 
+    ngx_conf_merge_size_value(conf->upstream.limit_rate,
+                              prev->upstream.limit_rate, 0);
+
     ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs,
                               8, ngx_pagesize);