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annotate src/event/modules/ngx_iocp_module.h @ 7008:29c6d66b83ba

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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 d620f497c50f
children
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 288
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 288
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 288
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 288
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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8 #ifndef _NGX_IOCP_MODULE_H_INCLUDED_
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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9 #define _NGX_IOCP_MODULE_H_INCLUDED_
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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12 typedef struct {
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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13 int threads;
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f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import
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14 int post_acceptex;
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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15 int acceptex_read;
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
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16 } ngx_iocp_conf_t;
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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19 extern ngx_module_t ngx_iocp_module;
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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22 #endif /* _NGX_IOCP_MODULE_H_INCLUDED_ */