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view src/http/v3/ngx_http_v3_table.h @ 9045:c6580dce98a8 quic

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QUIC: fixed triggering stream read event (ticket #2409). If a client packet carrying a stream data frame is not acked due to packet loss, the stream data is retransmitted later by client. It's also possible that the retransmitted range is bigger than before due to more stream data being available by then. If the original data was read out by the application, there would be no read event triggered by the retransmitted frame, even though it contains new data.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 23 Nov 2022 18:50:26 +0400
parents 81a3429db8b0
children
line wrap: on
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/*
 * Copyright (C) Roman Arutyunyan
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_V3_TABLE_H_INCLUDED_
#define _NGX_HTTP_V3_TABLE_H_INCLUDED_


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


typedef struct {
    ngx_str_t                     name;
    ngx_str_t                     value;
} ngx_http_v3_field_t;


typedef struct {
    ngx_http_v3_field_t         **elts;
    ngx_uint_t                    nelts;
    ngx_uint_t                    base;
    size_t                        size;
    size_t                        capacity;
    uint64_t                      insert_count;
    uint64_t                      ack_insert_count;
    ngx_event_t                   send_insert_count;
} ngx_http_v3_dynamic_table_t;


void ngx_http_v3_inc_insert_count_handler(ngx_event_t *ev);
void ngx_http_v3_cleanup_table(ngx_http_v3_session_t *h3c);
ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
    ngx_uint_t index, ngx_str_t *value);
ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name,
    ngx_str_t *value);
ngx_int_t ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity);
ngx_int_t ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index);
ngx_int_t ngx_http_v3_ack_section(ngx_connection_t *c, ngx_uint_t stream_id);
ngx_int_t ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc);
ngx_int_t ngx_http_v3_lookup_static(ngx_connection_t *c, ngx_uint_t index,
    ngx_str_t *name, ngx_str_t *value);
ngx_int_t ngx_http_v3_lookup(ngx_connection_t *c, ngx_uint_t index,
    ngx_str_t *name, ngx_str_t *value);
ngx_int_t ngx_http_v3_decode_insert_count(ngx_connection_t *c,
    ngx_uint_t *insert_count);
ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c,
    ngx_uint_t insert_count);
void ngx_http_v3_ack_insert_count(ngx_connection_t *c, uint64_t insert_count);
ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id,
    uint64_t value);


#endif /* _NGX_HTTP_V3_TABLE_H_INCLUDED_ */