[nginx] Request body: always flush buffers if request buffering ...

[Valentin Bartenev]

details:   http://hg.nginx.org/nginx/rev/231a5bbd9e9c
branches:  
changeset: 6067:231a5bbd9e9c
user:      Valentin Bartenev <vbart at nginx.com>
date:      Mon Apr 06 19:20:36 2015 +0300
description:
Request body: always flush buffers if request buffering is off.

This fixes unbuffered proxying to SSL backends, since it prevents
ngx_ssl_send_chain() from accumulation of request body in the SSL
buffer.

diffstat:

 src/http/ngx_http_request_body.c |  2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diffs (19 lines):

diff -r 657f6ec01da0 -r 231a5bbd9e9c src/http/ngx_http_request_body.c
--- a/src/http/ngx_http_request_body.c	Mon Apr 06 11:22:24 2015 +0300
+++ b/src/http/ngx_http_request_body.c	Mon Apr 06 19:20:36 2015 +0300
@@ -949,6 +949,7 @@ ngx_http_request_body_length_filter(ngx_
         b->pos = cl->buf->pos;
         b->last = cl->buf->last;
         b->end = cl->buf->end;
+        b->flush = r->request_body_no_buffering;
 
         size = cl->buf->last - cl->buf->pos;
 
@@ -1056,6 +1057,7 @@ ngx_http_request_body_chunked_filter(ngx
                 b->pos = cl->buf->pos;
                 b->last = cl->buf->last;
                 b->end = cl->buf->end;
+                b->flush = r->request_body_no_buffering;
 
                 *ll = tl;
                 ll = &tl->next;