Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_shmem.h @ 7870:e169cce912c7 quic
Avoid retransmitting of packets with discarded keys.
Sections 4.10.1 and 4.10.2 of quic transport describe discarding of initial
and handshake keys. Since the keys are discarded, we no longer need
to retransmit packets and corresponding queues should be emptied.
This patch removes previously added workaround that did not require
acknowledgement for initial packets, resulting in avoiding retransmission,
which is wrong because a packet could be lost and we have to retransmit it.
author | Vladimir Homutov <vl@nginx.com> |
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date | Mon, 18 May 2020 13:54:53 +0300 |
parents | d620f497c50f |
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rev | line source |
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1 |
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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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696 | 8 #ifndef _NGX_SHMEM_H_INCLUDED_ |
9 #define _NGX_SHMEM_H_INCLUDED_ | |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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605 | 16 typedef struct { |
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17 u_char *addr; |
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18 size_t size; |
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19 ngx_str_t name; |
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20 ngx_log_t *log; |
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21 ngx_uint_t exists; /* unsigned exists:1; */ |
605 | 22 } ngx_shm_t; |
23 | |
24 | |
25 ngx_int_t ngx_shm_alloc(ngx_shm_t *shm); | |
26 void ngx_shm_free(ngx_shm_t *shm); | |
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696 | 29 #endif /* _NGX_SHMEM_H_INCLUDED_ */ |