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view src/event/quic/ngx_event_quic_tokens.h @ 9139:d7dec2970161

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QUIC: always add ACK frame to the queue head. Previously it was added to the tail as all other frames. However, if the amount of queued data is large, it could delay the delivery of ACK, which could trigger frames retransmissions and slow down the connection.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 10 Aug 2023 20:11:29 +0400
parents 77c1418916f7
children
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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>


#define NGX_QUIC_MAX_TOKEN_SIZE              64
    /* SHA-1(addr)=20 + sizeof(time_t) + retry(1) + odcid.len(1) + odcid */

#define NGX_QUIC_AES_256_GCM_IV_LEN          12
#define NGX_QUIC_AES_256_GCM_TAG_LEN         16

#define NGX_QUIC_TOKEN_BUF_SIZE             (NGX_QUIC_AES_256_GCM_IV_LEN      \
                                             + NGX_QUIC_MAX_TOKEN_SIZE        \
                                             + NGX_QUIC_AES_256_GCM_TAG_LEN)


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_log_t *log, 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_ */