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view src/event/quic/ngx_event_quic_migration.h @ 9012:03897c45798e quic

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QUIC: defer setting the active flag for client stream events. Specifically, now it is kept unset until streams are initialized. Notably, this unbreaks OCSP with client certificates after 35e27117b593. Previously, the read event could be posted prematurely via ngx_quic_set_event() e.g., as part of handling a STREAM frame.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 18 Jan 2023 19:20:18 +0400
parents fab36e4abf83
children
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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 sent:%O recvd:%O state:%s%s%s",      \
                   path->seqnum, msg, path->sent, path->received,             \
                   path->limited ? "L" : "", path->validated ? "V": "N",      \
                   path->validating ? "R": "");

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_validation_handler(ngx_event_t *ev);

#endif /* _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_ */