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view src/http/v3/ngx_http_v3_tables.h @ 8795:278ab0ed24f2 quic

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HTTP/3: generate more H3_FRAME_UNEXPECTED. As per quic-http-34, these are the cases when this error should be generated: If an endpoint receives a second SETTINGS frame on the control stream, the endpoint MUST respond with a connection error of type H3_FRAME_UNEXPECTED SETTINGS frames MUST NOT be sent on any stream other than the control stream. If an endpoint receives a SETTINGS frame on a different stream, the endpoint MUST respond with a connection error of type H3_FRAME_UNEXPECTED. A client MUST NOT send a PUSH_PROMISE frame. A server MUST treat the receipt of a PUSH_PROMISE frame as a connection error of type H3_FRAME_UNEXPECTED; see Section 8. The MAX_PUSH_ID frame is always sent on the control stream. Receipt of a MAX_PUSH_ID frame on any other stream MUST be treated as a connection error of type H3_FRAME_UNEXPECTED. Receipt of an invalid sequence of frames MUST be treated as a connection error of type H3_FRAME_UNEXPECTED; see Section 8. In particular, a DATA frame before any HEADERS frame, or a HEADERS or DATA frame after the trailing HEADERS frame, is considered invalid. A CANCEL_PUSH frame is sent on the control stream. Receiving a CANCEL_PUSH frame on a stream other than the control stream MUST be treated as a connection error of type H3_FRAME_UNEXPECTED. The GOAWAY frame is always sent on the control stream.
author Roman Arutyunyan <arut@nginx.com>
date Fri, 11 Jun 2021 12:11:08 +0300
parents 6e2c23481abb
children 0ac25efb2da3
line wrap: on
line source


/*
 * Copyright (C) Roman Arutyunyan
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_V3_TABLES_H_INCLUDED_
#define _NGX_HTTP_V3_TABLES_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_header_t;


typedef struct {
    ngx_http_v3_header_t        **elts;
    ngx_uint_t                    nelts;
    ngx_uint_t                    base;
    size_t                        size;
    size_t                        capacity;
} ngx_http_v3_dynamic_table_t;


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_header(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);
ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id,
    uint64_t value);


#endif /* _NGX_HTTP_V3_TABLES_H_INCLUDED_ */