Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic_frames.h @ 9153:8f7e6d8c061e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
QUIC: use last client dcid to receive initial packets. Previously, original dcid was used to receive initial client packets in case server initial response was lost. However, last dcid should be used instead. These two are the same unless retry is used. In case of retry, client resends initial packet with a new dcid, that is different from the original dcid. If server response is lost, the client resends this packet again with the same dcid. This is shown in RFC 9000, 7.3. Authenticating Connection IDs, Figure 8. The issue manifested itself with creating multiple server sessions in response to each post-retry client initial packet, if server response is lost.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 30 Aug 2023 11:09:21 +0400
parents 3c98fa8fef6f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8749
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
2 /*
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
3 * Copyright (C) Nginx, Inc.
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
4 */
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
5
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
6
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
7 #ifndef _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
8 #define _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
9
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
10
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
11 #include <ngx_config.h>
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
12 #include <ngx_core.h>
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
13
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
14
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
15 typedef ngx_int_t (*ngx_quic_frame_handler_pt)(ngx_connection_t *c,
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
16 ngx_quic_frame_t *frame, void *data);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
17
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
18
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
19 ngx_quic_frame_t *ngx_quic_alloc_frame(ngx_connection_t *c);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
20 void ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
21 void ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
22 void ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
23 ngx_int_t ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f,
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
24 size_t len);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
25
8948
19e063e955bf QUIC: renamed buffer-related functions.
Roman Arutyunyan <arut@nginx.com>
parents: 8947
diff changeset
26 ngx_chain_t *ngx_quic_alloc_chain(ngx_connection_t *c);
19e063e955bf QUIC: renamed buffer-related functions.
Roman Arutyunyan <arut@nginx.com>
parents: 8947
diff changeset
27 void ngx_quic_free_chain(ngx_connection_t *c, ngx_chain_t *in);
9011
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
28
9071
3c98fa8fef6f QUIC: ngx_quic_copy_buffer() function.
Roman Arutyunyan <arut@nginx.com>
parents: 9013
diff changeset
29 ngx_chain_t *ngx_quic_copy_buffer(ngx_connection_t *c, u_char *data,
3c98fa8fef6f QUIC: ngx_quic_copy_buffer() function.
Roman Arutyunyan <arut@nginx.com>
parents: 9013
diff changeset
30 size_t len);
9011
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
31 ngx_chain_t *ngx_quic_read_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
32 uint64_t limit);
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
33 ngx_chain_t *ngx_quic_write_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
34 ngx_chain_t *in, uint64_t limit, uint64_t offset);
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
35 void ngx_quic_skip_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb,
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
36 uint64_t offset);
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
Roman Arutyunyan <arut@nginx.com>
parents: 8967
diff changeset
37 void ngx_quic_free_buffer(ngx_connection_t *c, ngx_quic_buffer_t *qb);
8749
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
38
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
39 #if (NGX_DEBUG)
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
40 void ngx_quic_log_frame(ngx_log_t *log, ngx_quic_frame_t *f, ngx_uint_t tx);
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
41 #else
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
42 #define ngx_quic_log_frame(log, f, tx)
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
43 #endif
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
44
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
45 #endif /* _NGX_EVENT_QUIC_FRAMES_H_INCLUDED_ */