Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_service.c @ 5980:ccad84a174e0
Refactored sendfile() AIO preload.
This reduces layering violation and simplifies the logic of AIO preread, since
it's now triggered by the send chain function itself without falling back to
the copy filter. The context of AIO operation is now stored per file buffer,
which makes it possible to properly handle cases when multiple buffers come
from different locations, each with its own configuration.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Wed, 11 Feb 2015 17:52:15 +0300 |
parents | a1caf3989b49 |
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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8 |
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9 #define NGX_SERVICE_CONTROL_SHUTDOWN 128 |
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10 #define NGX_SERVICE_CONTROL_REOPEN 129 |
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11 |
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12 |
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13 SERVICE_TABLE_ENTRY st[] = { |
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14 { "nginx", service_main }, |
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15 { NULL, NULL } |
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16 }; |
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17 |
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19 ngx_int_t |
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20 ngx_service(ngx_log_t *log) |
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21 { |
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22 /* primary thread */ |
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23 |
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24 /* StartServiceCtrlDispatcher() should be called within 30 seconds */ |
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25 |
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26 if (StartServiceCtrlDispatcher(st) == 0) { |
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27 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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28 "StartServiceCtrlDispatcher() failed"); |
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29 return NGX_ERROR; |
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30 } |
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31 |
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32 return NGX_OK; |
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33 } |
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34 |
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35 |
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36 void |
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37 service_main(u_int argc, char **argv) |
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38 { |
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39 SERVICE_STATUS status; |
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40 SERVICE_STATUS_HANDLE service; |
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41 |
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42 /* thread spawned by SCM */ |
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43 |
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44 service = RegisterServiceCtrlHandlerEx("nginx", service_handler, ctx); |
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45 if (service == INVALID_HANDLE_VALUE) { |
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46 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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47 "RegisterServiceCtrlHandlerEx() failed"); |
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48 return; |
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49 } |
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50 |
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51 status.dwServiceType = SERVICE_WIN32_OWN_PROCESS; |
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52 status.dwCurrentState = SERVICE_START_PENDING; |
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53 status.dwControlsAccepted = SERVICE_ACCEPT_STOP |
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54 |SERVICE_ACCEPT_PARAMCHANGE; |
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55 status.dwWin32ExitCode = NO_ERROR; |
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56 status.dwServiceSpecificExitCode = 0; |
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57 status.dwCheckPoint = 1; |
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58 status.dwWaitHint = 2000; |
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59 |
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60 /* SetServiceStatus() should be called within 80 seconds */ |
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61 |
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62 if (SetServiceStatus(service, &status) == 0) { |
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63 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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64 "SetServiceStatus() failed"); |
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65 return; |
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66 } |
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67 |
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68 /* init */ |
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69 |
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70 status.dwCurrentState = SERVICE_RUNNING; |
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71 status.dwCheckPoint = 0; |
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72 status.dwWaitHint = 0; |
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73 |
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74 if (SetServiceStatus(service, &status) == 0) { |
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75 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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76 "SetServiceStatus() failed"); |
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77 return; |
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78 } |
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79 |
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80 /* call master or worker loop */ |
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81 |
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82 /* |
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83 * master should use event notification and look status |
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84 * single should use iocp to get notifications from service handler |
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85 */ |
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86 |
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87 } |
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88 |
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89 |
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90 u_int |
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91 service_handler(u_int control, u_int type, void *data, void *ctx) |
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92 { |
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93 /* primary thread */ |
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94 |
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95 switch (control) { |
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96 |
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97 case SERVICE_CONTROL_INTERROGATE: |
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98 status = NGX_IOCP_INTERROGATE; |
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99 break; |
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100 |
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101 case SERVICE_CONTROL_STOP: |
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102 status = NGX_IOCP_STOP; |
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103 break; |
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104 |
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105 case SERVICE_CONTROL_PARAMCHANGE: |
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106 status = NGX_IOCP_RECONFIGURE; |
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nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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107 break; |
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nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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109 case NGX_SERVICE_CONTROL_SHUTDOWN: |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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110 status = NGX_IOCP_REOPEN; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 break; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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113 case NGX_SERVICE_CONTROL_REOPEN: |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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114 status = NGX_IOCP_REOPEN; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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115 break; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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116 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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117 default: |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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118 return ERROR_CALL_NOT_IMPLEMENTED; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 } |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 if (ngx_single) { |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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122 if (PostQueuedCompletionStatus(iocp, ... status, ...) == 0) { |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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123 err = ngx_errno; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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124 ngx_log_error(NGX_LOG_ALERT, log, err, |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 "PostQueuedCompletionStatus() failed"); |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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126 return err; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 } |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 } else { |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 Event |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 } |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 return NO_ERROR; |
4f81b931e9ff
nginx-0.0.1-2004-01-08-11:47:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 } |