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view src/event/quic/ngx_event_quic_migration.h @ 9162:f9845e4b5c14

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QUIC: simplified setting close timer when closing connection. Previously, the timer was never reset due to an explicit check. The check was added in 36b59521a41c as part of connection close simplification. The reason was to retain the earliest timeout. However, the timeouts are all the same while QUIC handshake is in progress and resetting the timer for the same value has no performance implications. After handshake completion there's only application level. The change removes the check.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 14 Sep 2023 14:15:20 +0400
parents 58afcd72446f
children cc16989c6d61
line wrap: on
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_
#define _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_


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

#define NGX_QUIC_PATH_RETRIES   3

#define NGX_QUIC_PATH_PROBE     0
#define NGX_QUIC_PATH_ACTIVE    1
#define NGX_QUIC_PATH_BACKUP    2

#define ngx_quic_path_dbg(c, msg, path)                                       \
    ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0,                            \
                   "quic path seq:%uL %s tx:%O rx:%O valid:%ui st:%d mtu:%uz",\
                   path->seqnum, msg, path->sent, path->received,             \
                   path->validated, path->state, path->mtu);

ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
    ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f);
ngx_int_t ngx_quic_handle_path_response_frame(ngx_connection_t *c,
    ngx_quic_path_challenge_frame_t *f);

ngx_quic_path_t *ngx_quic_new_path(ngx_connection_t *c,
    struct sockaddr *sockaddr, socklen_t socklen, ngx_quic_client_id_t *cid);
ngx_int_t ngx_quic_free_path(ngx_connection_t *c, ngx_quic_path_t *path);

ngx_int_t ngx_quic_set_path(ngx_connection_t *c, ngx_quic_header_t *pkt);
ngx_int_t ngx_quic_handle_migration(ngx_connection_t *c,
    ngx_quic_header_t *pkt);

void ngx_quic_path_handler(ngx_event_t *ev);

void ngx_quic_discover_path_mtu(ngx_connection_t *c, ngx_quic_path_t *path);
ngx_int_t ngx_quic_handle_path_mtu(ngx_connection_t *c,
    ngx_quic_path_t *path, uint64_t min, uint64_t max);

#endif /* _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_ */