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comparison src/http/v3/ngx_http_v3_table.h @ 8989:81a3429db8b0 quic

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HTTP/3: delayed Insert Count Increment instruction. Sending the instruction is delayed until the end of the current event cycle. Delaying the instruction is allowed by quic-qpack-21, section 2.2.2.3. The goal is to reduce the amount of data sent back to client by accumulating several inserts in one instruction and sometimes not sending the instruction at all, if Section Acknowledgement was sent just before it.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 27 Jan 2022 12:20:47 +0300
parents 18d23ed15eef
children
comparison
equal deleted inserted replaced
8988:6434160b4b78 8989:81a3429db8b0
24 ngx_http_v3_field_t **elts; 24 ngx_http_v3_field_t **elts;
25 ngx_uint_t nelts; 25 ngx_uint_t nelts;
26 ngx_uint_t base; 26 ngx_uint_t base;
27 size_t size; 27 size_t size;
28 size_t capacity; 28 size_t capacity;
29 uint64_t insert_count;
30 uint64_t ack_insert_count;
31 ngx_event_t send_insert_count;
29 } ngx_http_v3_dynamic_table_t; 32 } ngx_http_v3_dynamic_table_t;
30 33
31 34
35 void ngx_http_v3_inc_insert_count_handler(ngx_event_t *ev);
32 void ngx_http_v3_cleanup_table(ngx_http_v3_session_t *h3c); 36 void ngx_http_v3_cleanup_table(ngx_http_v3_session_t *h3c);
33 ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic, 37 ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
34 ngx_uint_t index, ngx_str_t *value); 38 ngx_uint_t index, ngx_str_t *value);
35 ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name, 39 ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name,
36 ngx_str_t *value); 40 ngx_str_t *value);
44 ngx_str_t *name, ngx_str_t *value); 48 ngx_str_t *name, ngx_str_t *value);
45 ngx_int_t ngx_http_v3_decode_insert_count(ngx_connection_t *c, 49 ngx_int_t ngx_http_v3_decode_insert_count(ngx_connection_t *c,
46 ngx_uint_t *insert_count); 50 ngx_uint_t *insert_count);
47 ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c, 51 ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c,
48 ngx_uint_t insert_count); 52 ngx_uint_t insert_count);
53 void ngx_http_v3_ack_insert_count(ngx_connection_t *c, uint64_t insert_count);
49 ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, 54 ngx_int_t ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id,
50 uint64_t value); 55 uint64_t value);
51 56
52 57
53 #endif /* _NGX_HTTP_V3_TABLE_H_INCLUDED_ */ 58 #endif /* _NGX_HTTP_V3_TABLE_H_INCLUDED_ */