[PATCH 09 of 10] HTTP/3: synced request body reading changes to reduce diffs

[Maxim Dounin]

# HG changeset patch
# User Maxim Dounin <mdounin at mdounin.ru>
# Date 1710526258 -10800
#      Fri Mar 15 21:10:58 2024 +0300
# Node ID 9580cb3029058154973dd7b28c9da709c5bc3e31
# Parent  ece1df3184a22241682cb5ee8402dbb79015b204
HTTP/3: synced request body reading changes to reduce diffs.

diff --git a/src/http/v3/ngx_http_v3_request.c b/src/http/v3/ngx_http_v3_request.c
--- a/src/http/v3/ngx_http_v3_request.c
+++ b/src/http/v3/ngx_http_v3_request.c
@@ -1329,6 +1329,7 @@ ngx_http_v3_do_read_client_request_body(
     c = r->connection;
     rb = r->request_body;
     flush = 1;
+    n = NGX_AGAIN;
 
     ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
                    "http3 read client request body");
@@ -1432,7 +1433,7 @@ ngx_http_v3_do_read_client_request_body(
                 break;
             }
 
-            if (rb->buf->last < rb->buf->end) {
+            if (!c->read->ready) {
                 break;
             }
         }
@@ -1452,7 +1453,7 @@ ngx_http_v3_do_read_client_request_body(
             break;
         }
 
-        if (!c->read->ready || rb->rest == 0) {
+        if (n == NGX_AGAIN || !c->read->ready || rb->rest == 0) {
 
             clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
             ngx_add_timer(c->read, clcf->client_body_timeout);