Mercurial > hg > nginx-quic
view src/core/ngx_radix_tree.h @ 8509:5b0c229ba5fe quic
QUIC: fixed padding calculation.
Sometimes, QUIC packets need to be of certain (or minimal) size. This is
achieved by adding PADDING frames. It is possible, that adding padding will
affect header size, thus forcing us to recalculate padding size once more.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Mon, 05 Jul 2021 13:17:10 +0300 |
parents | 3be3de31d7dd |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_RADIX_TREE_H_INCLUDED_ #define _NGX_RADIX_TREE_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #define NGX_RADIX_NO_VALUE (uintptr_t) -1 typedef struct ngx_radix_node_s ngx_radix_node_t; struct ngx_radix_node_s { ngx_radix_node_t *right; ngx_radix_node_t *left; ngx_radix_node_t *parent; uintptr_t value; }; typedef struct { ngx_radix_node_t *root; ngx_pool_t *pool; ngx_radix_node_t *free; char *start; size_t size; } ngx_radix_tree_t; ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool, ngx_int_t preallocate); ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree, uint32_t key, uint32_t mask, uintptr_t value); ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree, uint32_t key, uint32_t mask); uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key); #if (NGX_HAVE_INET6) ngx_int_t ngx_radix128tree_insert(ngx_radix_tree_t *tree, u_char *key, u_char *mask, uintptr_t value); ngx_int_t ngx_radix128tree_delete(ngx_radix_tree_t *tree, u_char *key, u_char *mask); uintptr_t ngx_radix128tree_find(ngx_radix_tree_t *tree, u_char *key); #endif #endif /* _NGX_RADIX_TREE_H_INCLUDED_ */