Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_socket.h @ 8099:b4ef79ef1c23 quic
QUIC: refined the "c->quic->initialized" flag usage.
The flag is tied to the initial secret creation. The presence of c->quic
pointer is sufficient to enable execution of ngx_quic_close_quic().
The ngx_quic_new_connection() function now returns the allocated quic
connection object and the c->quic pointer is set by the caller.
If an early error occurs before secrets initialization (i.e. in cases
of invalid retry token or nginx exiting), it is still possible to
generate an error response by trying to initialize secrets directly
in the ngx_quic_send_cc() function.
Before the change such early errors failed to send proper connection close
message and logged an error.
An auxilliary ngx_quic_init_secrets() function is introduced to avoid
verbose call to ngx_quic_set_initial_secret() requiring local variable.
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 30 Sep 2020 21:27:52 +0300 |
parents | efd71d49bde0 |
children | 23880e4ad3e2 |
rev | line source |
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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_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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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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25 int ngx_nonblocking(ngx_socket_t s); |
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26 int ngx_blocking(ngx_socket_t s); |
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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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31 #else |
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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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41 #if (NGX_HAVE_FIONREAD) |
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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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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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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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71 #endif /* _NGX_SOCKET_H_INCLUDED_ */ |