HTTP/2: send the output queue after emitting WINDOW_UPDATE.

The WINDOW_UPDATE frame could be left in the output queue for an indefinite
period of time resulting in the request timeout.

This might happen if reading of the body was triggered by an event unrelated
to client connection, e.g. by the limit_req timer.
This commit is contained in:
Valentin Bartenev 2016-04-19 17:38:49 +03:00
parent 7458f66675
commit 22285687c9

View File

@ -3414,6 +3414,7 @@ ngx_http_v2_read_request_body(ngx_http_request_t *r,
ngx_http_v2_stream_t *stream;
ngx_http_request_body_t *rb;
ngx_http_core_loc_conf_t *clcf;
ngx_http_v2_connection_t *h2c;
stream = r->stream;
@ -3498,6 +3499,15 @@ ngx_http_v2_read_request_body(ngx_http_request_t *r,
stream->skip_data = 1;
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
h2c = stream->connection;
if (!h2c->blocked) {
if (ngx_http_v2_send_output_queue(h2c) == NGX_ERROR) {
stream->skip_data = 1;
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
}
ngx_add_timer(r->connection->read, clcf->client_body_timeout);