Mercurial > hg > nginx-quic
view src/core/ngx_radix_tree.h @ 6755:e2f13011343e stable-1.10
HTTP/2: fixed the "http request count is zero" alert.
When the stream is terminated the HEADERS frame can still wait in the output
queue. This frame can't be removed and must be sent to the client anyway,
since HTTP/2 uses stateful compression for headers. So in order to postpone
closing and freeing memory of such stream the special close stream handler
is set to the write event. After the HEADERS frame is sent the write event
is called and the stream will be finally closed.
Some events like receiving a RST_STREAM can trigger the read handler of such
stream in closing state and cause unexpected processing that can result in
another attempt to finalize the request. To prevent it the read handler is
now set to ngx_http_empty_handler.
Thanks to Amazon.
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Thu, 16 Jun 2016 20:55:11 +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_ */