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view src/http/v3/ngx_http_v3_uni.h @ 9082:c6db94ec3841 quic

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QUIC: separated path validation retransmit backoff. Path validation packets containing PATH_CHALLENGE frames are sent separately from regular frame queue, because of the need to use a decicated path and pad the packets. The packets are sent periodically, separately from the regular probe/lost detection mechanism. A path validation packet is resent up to 3 times, each time after PTO expiration, with increasing per-path PTO backoff.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 09 May 2023 19:42:39 +0400
parents 18d23ed15eef
children
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/*
 * Copyright (C) Roman Arutyunyan
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_V3_UNI_H_INCLUDED_
#define _NGX_HTTP_V3_UNI_H_INCLUDED_


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


void ngx_http_v3_init_uni_stream(ngx_connection_t *c);
ngx_int_t ngx_http_v3_register_uni_stream(ngx_connection_t *c, uint64_t type);

ngx_connection_t *ngx_http_v3_create_push_stream(ngx_connection_t *c,
    uint64_t push_id);
ngx_int_t ngx_http_v3_set_max_push_id(ngx_connection_t *c,
    uint64_t max_push_id);
ngx_int_t ngx_http_v3_goaway(ngx_connection_t *c, uint64_t push_id);
ngx_int_t ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id);
ngx_int_t ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id);

ngx_int_t ngx_http_v3_send_settings(ngx_connection_t *c);
ngx_int_t ngx_http_v3_send_goaway(ngx_connection_t *c, uint64_t id);
ngx_int_t ngx_http_v3_send_ack_section(ngx_connection_t *c,
    ngx_uint_t stream_id);
ngx_int_t ngx_http_v3_send_cancel_stream(ngx_connection_t *c,
    ngx_uint_t stream_id);
ngx_int_t ngx_http_v3_send_inc_insert_count(ngx_connection_t *c,
    ngx_uint_t inc);


#endif /* _NGX_HTTP_V3_UNI_H_INCLUDED_ */