Mercurial > hg > nginx
annotate src/os/win32/ngx_process_cycle.h @ 8971:1e2f4e9c8195 quic
QUIC: reworked migration handling.
The quic connection now holds active, backup and probe paths instead
of sockets. The number of migration paths is now limited and cannot
be inflated by a bad client or an attacker.
The client id is now associated with path rather than socket. This allows
to simplify processing of output and connection ids handling.
New migration abandons any previously started migrations. This allows to
free consumed client ids and request new for use in future migrations and
make progress in case when connection id limit is hit during migration.
A path now can be revalidated without losing its state.
The patch also fixes various issues with NAT rebinding case handling:
- paths are now validated (previously, there was no validation
and paths were left in limited state)
- attempt to reuse id on different path is now again verified
(this was broken in 40445fc7c403)
- former path is now validated in case of apparent migration
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 19 Jan 2022 22:39:24 +0300 |
parents | b4cc553aafeb |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_PROCESS_CYCLE_H_INCLUDED_ |
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9 #define _NGX_PROCESS_CYCLE_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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2725 | 16 #define NGX_PROCESS_SINGLE 0 |
17 #define NGX_PROCESS_MASTER 1 | |
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18 #define NGX_PROCESS_SIGNALLER 2 |
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19 #define NGX_PROCESS_WORKER 3 |
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452 | 22 void ngx_master_process_cycle(ngx_cycle_t *cycle); |
23 void ngx_single_process_cycle(ngx_cycle_t *cycle); | |
2725 | 24 void ngx_close_handle(HANDLE h); |
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27 extern ngx_uint_t ngx_process; |
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28 extern ngx_uint_t ngx_worker; |
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29 extern ngx_pid_t ngx_pid; |
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30 extern ngx_uint_t ngx_exiting; |
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32 extern sig_atomic_t ngx_quit; |
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33 extern sig_atomic_t ngx_terminate; |
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34 extern sig_atomic_t ngx_reopen; |
2725 | 35 |
36 extern ngx_uint_t ngx_inherited; | |
37 extern ngx_pid_t ngx_new_binary; | |
38 | |
39 | |
40 extern HANDLE ngx_master_process_event; | |
41 extern char ngx_master_process_event_name[]; | |
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44 #endif /* _NGX_PROCESS_CYCLE_H_INCLUDED_ */ |