Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_socket.h @ 8384:c61fcdc1b8e3 quic
UDP: extended datagram context.
Sometimes it is required to process datagram properties at higher level (i.e.
QUIC is interested in source address which may change and IP options). The
patch adds ngx_udp_dgram_t structure used to pass packet-related information
in c->udp.
author | Vladimir Homutov <vl@nginx.com> |
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date | Fri, 02 Apr 2021 18:58:19 +0300 |
parents | efd71d49bde0 |
children | 23880e4ad3e2 |
rev | line source |
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441
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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. |
441
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5 */ |
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6 |
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8 #ifndef _NGX_SOCKET_H_INCLUDED_ |
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9 #define _NGX_SOCKET_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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15 #define NGX_WRITE_SHUTDOWN SHUT_WR |
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16 |
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17 typedef int ngx_socket_t; |
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461 | 19 #define ngx_socket socket |
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20 #define ngx_socket_n "socket()" |
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469 | 23 #if (NGX_HAVE_FIONBIO) |
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24 |
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25 int ngx_nonblocking(ngx_socket_t s); |
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26 int ngx_blocking(ngx_socket_t s); |
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27 |
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28 #define ngx_nonblocking_n "ioctl(FIONBIO)" |
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29 #define ngx_blocking_n "ioctl(!FIONBIO)" |
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30 |
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31 #else |
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32 |
645 | 33 #define ngx_nonblocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK) |
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34 #define ngx_nonblocking_n "fcntl(O_NONBLOCK)" |
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645 | 36 #define ngx_blocking(s) fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK) |
37 #define ngx_blocking_n "fcntl(!O_NONBLOCK)" | |
38 | |
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39 #endif |
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40 |
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41 #if (NGX_HAVE_FIONREAD) |
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42 |
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43 #define ngx_socket_nread(s, n) ioctl(s, FIONREAD, n) |
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44 #define ngx_socket_nread_n "ioctl(FIONREAD)" |
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45 |
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46 #endif |
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48 int ngx_tcp_nopush(ngx_socket_t s); |
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49 int ngx_tcp_push(ngx_socket_t s); |
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455 | 51 #if (NGX_LINUX) |
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53 #define ngx_tcp_nopush_n "setsockopt(TCP_CORK)" |
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54 #define ngx_tcp_push_n "setsockopt(!TCP_CORK)" |
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55 |
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56 #else |
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58 #define ngx_tcp_nopush_n "setsockopt(TCP_NOPUSH)" |
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59 #define ngx_tcp_push_n "setsockopt(!TCP_NOPUSH)" |
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61 #endif |
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64 #define ngx_shutdown_socket shutdown |
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65 #define ngx_shutdown_socket_n "shutdown()" |
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67 #define ngx_close_socket close |
465 | 68 #define ngx_close_socket_n "close() socket" |
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69 |
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71 #endif /* _NGX_SOCKET_H_INCLUDED_ */ |