view src/core/ngx_proxy_protocol.h @ 8100:251daa98cc87

Added logging to PROXY protocol write buffer check. The check is not expected to fail unless there is a bug in the calling code. But given the check is here, it should log an alert if it fails instead of silently closing the connection.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 08 Nov 2022 12:48:19 +0300
parents 17d6a537fb1b
children
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/*
 * Copyright (C) Roman Arutyunyan
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_PROXY_PROTOCOL_H_INCLUDED_
#define _NGX_PROXY_PROTOCOL_H_INCLUDED_


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


#define NGX_PROXY_PROTOCOL_V1_MAX_HEADER  107
#define NGX_PROXY_PROTOCOL_MAX_HEADER     4096


struct ngx_proxy_protocol_s {
    ngx_str_t           src_addr;
    ngx_str_t           dst_addr;
    in_port_t           src_port;
    in_port_t           dst_port;
    ngx_str_t           tlvs;
};


u_char *ngx_proxy_protocol_read(ngx_connection_t *c, u_char *buf,
    u_char *last);
u_char *ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf,
    u_char *last);
ngx_int_t ngx_proxy_protocol_get_tlv(ngx_connection_t *c, ngx_str_t *name,
    ngx_str_t *value);


#endif /* _NGX_PROXY_PROTOCOL_H_INCLUDED_ */