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view src/mail/ngx_mail_smtp_module.h @ 7947:51a260276425

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Simplified sendfile_max_chunk handling. Previously, it was checked that sendfile_max_chunk was enabled and almost whole sendfile_max_chunk was sent (see e67ef50c3176), to avoid delaying connections where sendfile_max_chunk wasn't reached (for example, when sending responses smaller than sendfile_max_chunk). Now we instead check if there are unsent data, and the connection is still ready for writing. Additionally we also check c->write->delayed to ignore connections already delayed by limit_rate. This approach is believed to be more robust, and correctly handles not only sendfile_max_chunk, but also internal limits of c->send_chain(), such as sendfile() maximum supported length (ticket #1870).
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 29 Oct 2021 20:21:48 +0300
parents d620f497c50f
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_MAIL_SMTP_MODULE_H_INCLUDED_
#define _NGX_MAIL_SMTP_MODULE_H_INCLUDED_


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


typedef struct {
    ngx_msec_t   greeting_delay;

    size_t       client_buffer_size;

    ngx_str_t    capability;
    ngx_str_t    starttls_capability;
    ngx_str_t    starttls_only_capability;

    ngx_str_t    server_name;
    ngx_str_t    greeting;

    ngx_uint_t   auth_methods;

    ngx_array_t  capabilities;
} ngx_mail_smtp_srv_conf_t;


void ngx_mail_smtp_init_session(ngx_mail_session_t *s, ngx_connection_t *c);
void ngx_mail_smtp_init_protocol(ngx_event_t *rev);
void ngx_mail_smtp_auth_state(ngx_event_t *rev);
ngx_int_t ngx_mail_smtp_parse_command(ngx_mail_session_t *s);


extern ngx_module_t  ngx_mail_smtp_module;


#endif /* _NGX_MAIL_SMTP_MODULE_H_INCLUDED_ */