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view src/event/quic/ngx_event_quic_tokens.h @ 8881:72b304f6207c quic

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HTTP/3: traffic-based flood detection. With this patch, all traffic over HTTP/3 bidi and uni streams is counted in the h3c->total_bytes field, and payload traffic is counted in the h3c->payload_bytes field. As long as total traffic is many times larger than payload traffic, we consider this to be a flood. Request header traffic is counted as if all fields are literal. Response header traffic is counted as is.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 07 Oct 2021 13:22:42 +0300
parents 4117aa7fa38e
children 3550b00d9dc8
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_QUIC_TOKENS_H_INCLUDED_
#define _NGX_EVENT_QUIC_TOKENS_H_INCLUDED_


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


ngx_int_t ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid,
    u_char *secret, u_char *token);
ngx_int_t ngx_quic_new_token(ngx_connection_t *c, struct sockaddr *sockaddr,
    socklen_t socklen, u_char *key, ngx_str_t *token, ngx_str_t *odcid,
    time_t expires, ngx_uint_t is_retry);
ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
    u_char *key, ngx_quic_header_t *pkt);

#endif /* _NGX_EVENT_QUIC_TOKENS_H_INCLUDED_ */