Mercurial > hg > nginx
annotate src/core/ngx_md5.h @ 6153:4f6efabcb09b
The "reuseport" option of the "listen" directive.
When configured, an individual listen socket on a given address is
created for each worker process. This allows to reduce in-kernel lock
contention on configurations with high accept rates, resulting in better
performance. As of now it works on Linux and DragonFly BSD.
Note that on Linux incoming connection requests are currently tied up
to a specific listen socket, and if some sockets are closed, connection
requests will be reset, see https://lwn.net/Articles/542629/. With
nginx, this may happen if the number of worker processes is reduced.
There is no such problem on DragonFly BSD.
Based on previous work by Sepherosa Ziehau and Yingqi Lu.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 20 May 2015 15:51:56 +0300 |
parents | d620f497c50f |
children | 9eefb38f0005 |
rev | line source |
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1572 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
1572 | 5 */ |
6 | |
7 | |
8 #ifndef _NGX_MD5_H_INCLUDED_ | |
9 #define _NGX_MD5_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 | |
15 | |
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16 #if (NGX_HAVE_MD5) |
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17 |
1572 | 18 #if (NGX_HAVE_OPENSSL_MD5_H) |
19 #include <openssl/md5.h> | |
20 #else | |
21 #include <md5.h> | |
22 #endif | |
23 | |
24 | |
25 typedef MD5_CTX ngx_md5_t; | |
26 | |
27 | |
28 #if (NGX_OPENSSL_MD5) | |
29 | |
1598 | 30 #define ngx_md5_init MD5_Init |
31 #define ngx_md5_update MD5_Update | |
32 #define ngx_md5_final MD5_Final | |
1572 | 33 |
34 #else | |
35 | |
1598 | 36 #define ngx_md5_init MD5Init |
37 #define ngx_md5_update MD5Update | |
38 #define ngx_md5_final MD5Final | |
1572 | 39 |
40 #endif | |
41 | |
42 | |
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43 #else /* !NGX_HAVE_MD5 */ |
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44 |
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45 |
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46 typedef struct { |
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47 uint64_t bytes; |
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48 uint32_t a, b, c, d; |
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49 u_char buffer[64]; |
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50 } ngx_md5_t; |
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51 |
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52 |
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53 void ngx_md5_init(ngx_md5_t *ctx); |
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54 void ngx_md5_update(ngx_md5_t *ctx, const void *data, size_t size); |
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55 void ngx_md5_final(u_char result[16], ngx_md5_t *ctx); |
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56 |
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57 |
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58 #endif |
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59 |
1572 | 60 #endif /* _NGX_MD5_H_INCLUDED_ */ |