Mercurial > hg > nginx-quic
view src/event/ngx_event_posted.h @ 7008:29c6d66b83ba
SSL: set TCP_NODELAY on SSL connections before handshake.
With OpenSSL 1.1.0+, the workaround for handshake buffer size as introduced
in a720f0b0e083 (ticket #413) no longer works, as OpenSSL no longer exposes
handshake buffers, see https://github.com/openssl/openssl/commit/2e7dc7cd688.
Moreover, it is no longer possible to adjust handshake buffers at all now.
To avoid additional RTT if handshake uses more than 4k we now set TCP_NODELAY
on SSL connections before handshake. While this still results in sub-optimal
network utilization due to incomplete packets being sent, it seems to be
better than nothing.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 29 May 2017 16:34:29 +0300 |
parents | 3d4730eada9c |
children | 9d2ad2fb4423 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_EVENT_POSTED_H_INCLUDED_ #define _NGX_EVENT_POSTED_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #define ngx_post_event(ev, q) \ \ if (!(ev)->posted) { \ (ev)->posted = 1; \ ngx_queue_insert_tail(q, &(ev)->queue); \ \ ngx_log_debug1(NGX_LOG_DEBUG_CORE, (ev)->log, 0, "post event %p", ev);\ \ } else { \ ngx_log_debug1(NGX_LOG_DEBUG_CORE, (ev)->log, 0, \ "update posted event %p", ev); \ } #define ngx_delete_posted_event(ev) \ \ (ev)->posted = 0; \ ngx_queue_remove(&(ev)->queue); \ \ ngx_log_debug1(NGX_LOG_DEBUG_CORE, (ev)->log, 0, \ "delete posted event %p", ev); void ngx_event_process_posted(ngx_cycle_t *cycle, ngx_queue_t *posted); extern ngx_queue_t ngx_posted_accept_events; extern ngx_queue_t ngx_posted_events; #endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */