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view src/mail/ngx_mail_pop3_module.h @ 7698:5440ff4ac6fc

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Core: reusing connections in advance. Reworked connections reuse, so closing connections is attempted in advance, as long as number of free connections is less than 1/16 of worker connections configured. This ensures that new connections can be handled even if closing a reusable connection requires some time, for example, for a lingering close (ticket #2017). The 1/16 ratio is selected to be smaller than 1/8 used for disabling accept when working with accept mutex, so nginx will try to balance new connections to different workers first, and will start reusing connections only if this won't help.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 10 Aug 2020 18:53:07 +0300
parents d620f497c50f
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_MAIL_POP3_MODULE_H_INCLUDED_
#define _NGX_MAIL_POP3_MODULE_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_mail.h>


typedef struct {
    ngx_str_t    capability;
    ngx_str_t    starttls_capability;
    ngx_str_t    starttls_only_capability;
    ngx_str_t    auth_capability;

    ngx_uint_t   auth_methods;

    ngx_array_t  capabilities;
} ngx_mail_pop3_srv_conf_t;


void ngx_mail_pop3_init_session(ngx_mail_session_t *s, ngx_connection_t *c);
void ngx_mail_pop3_init_protocol(ngx_event_t *rev);
void ngx_mail_pop3_auth_state(ngx_event_t *rev);
ngx_int_t ngx_mail_pop3_parse_command(ngx_mail_session_t *s);


extern ngx_module_t  ngx_mail_pop3_module;


#endif /* _NGX_MAIL_POP3_MODULE_H_INCLUDED_ */