ngx_http_upstream_send_request 31 http/ngx_http_upstream.c static void ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_send_request 1190 http/ngx_http_upstream.c ngx_http_upstream_send_request(r, u); ngx_http_upstream_send_request 1253 http/ngx_http_upstream.c ngx_http_upstream_send_request(r, u); ngx_http_upstream_send_request 1448 http/ngx_http_upstream.c ngx_http_upstream_send_request(r, u);