Mercurial > hg > nginx
annotate src/os/unix/ngx_posix_init.c @ 8686:dffb66fb783b quic
QUIC: stateless retry.
Previously, quic connection object was created when Retry packet was sent.
This is neither necessary nor convenient, and contradicts the idea of retry:
protecting from bad clients and saving server resources.
Now, the connection is not created, token is verified cryptographically
instead of holding it in connection.
author | Vladimir Homutov <vl@nginx.com> |
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date | Fri, 29 Jan 2021 15:53:47 +0300 |
parents | 057adb2a9d23 |
children |
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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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
539 | 10 #include <nginx.h> |
93
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11 |
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12 |
473 | 13 ngx_int_t ngx_ncpu; |
14 ngx_int_t ngx_max_sockets; | |
15 ngx_uint_t ngx_inherited_nonblocking; | |
16 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
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17 |
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18 |
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19 struct rlimit rlmt; |
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20 |
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21 |
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22 ngx_os_io_t ngx_os_io = { |
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23 ngx_unix_recv, |
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24 ngx_readv_chain, |
1689 | 25 ngx_udp_unix_recv, |
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26 ngx_unix_send, |
6436 | 27 ngx_udp_unix_send, |
6692 | 28 ngx_udp_unix_sendmsg_chain, |
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29 ngx_writev_chain, |
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30 0 |
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31 }; |
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32 |
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33 |
539 | 34 ngx_int_t |
35 ngx_os_init(ngx_log_t *log) | |
455 | 36 { |
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37 ngx_time_t *tp; |
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38 ngx_uint_t n; |
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39 #if (NGX_HAVE_LEVEL1_DCACHE_LINESIZE) |
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40 long size; |
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41 #endif |
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42 |
539 | 43 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
44 if (ngx_os_specific_init(log) != NGX_OK) { | |
45 return NGX_ERROR; | |
46 } | |
47 #endif | |
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48 |
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49 if (ngx_init_setproctitle(log) != NGX_OK) { |
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50 return NGX_ERROR; |
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51 } |
509 | 52 |
346
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53 ngx_pagesize = getpagesize(); |
589 | 54 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
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55 |
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56 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
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57 |
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58 #if (NGX_HAVE_SC_NPROCESSORS_ONLN) |
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59 if (ngx_ncpu == 0) { |
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60 ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN); |
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61 } |
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62 #endif |
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63 |
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64 if (ngx_ncpu < 1) { |
373
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65 ngx_ncpu = 1; |
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66 } |
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67 |
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68 #if (NGX_HAVE_LEVEL1_DCACHE_LINESIZE) |
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69 size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE); |
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70 if (size > 0) { |
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71 ngx_cacheline_size = size; |
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72 } |
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73 #endif |
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74 |
611 | 75 ngx_cpuinfo(); |
76 | |
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77 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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78 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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79 "getrlimit(RLIMIT_NOFILE) failed"); |
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80 return NGX_ERROR; |
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81 } |
577 | 82 |
563 | 83 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
93
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84 |
3786 | 85 #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) |
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86 ngx_inherited_nonblocking = 1; |
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87 #else |
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88 ngx_inherited_nonblocking = 0; |
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89 #endif |
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90 |
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91 tp = ngx_timeofday(); |
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92 srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec); |
800 | 93 |
93
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94 return NGX_OK; |
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95 } |
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96 |
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97 |
539 | 98 void |
99 ngx_os_status(ngx_log_t *log) | |
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100 { |
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101 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER_BUILD); |
541 | 102 |
557 | 103 #ifdef NGX_COMPILER |
104 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
105 #endif | |
106 | |
539 | 107 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
108 ngx_os_specific_status(log); | |
109 #endif | |
110 | |
531 | 111 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 112 "getrlimit(RLIMIT_NOFILE): %r:%r", |
449
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113 rlmt.rlim_cur, rlmt.rlim_max); |
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114 } |
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115 |
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116 |
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117 #if 0 |
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118 |
539 | 119 ngx_int_t |
120 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
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121 { |
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122 ngx_fd_t pp[2]; |
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123 |
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124 if (pipe(pp) == -1) { |
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125 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
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126 return NGX_ERROR; |
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127 } |
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128 |
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129 if (dup2(pp[1], STDERR_FILENO) == -1) { |
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130 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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131 return NGX_ERROR; |
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132 } |
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133 |
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134 if (pp[1] > STDERR_FILENO) { |
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135 if (close(pp[1]) == -1) { |
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136 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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137 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
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138 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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139 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
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140 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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141 return NGX_OK; |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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142 } |
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
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143 |
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
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144 #endif |