Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_event_log.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> |
---|---|
date | Wed, 11 Feb 2015 17:52:15 +0300 |
parents | d620f497c50f |
children |
rev | line source |
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2725 | 1 /* |
2 * Copyright (C) Igor Sysoev | |
4412 | 3 * Copyright (C) Nginx, Inc. |
2725 | 4 */ |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 | |
10 | |
11 #define NGX_MAX_ERROR_STR 2048 | |
12 | |
13 | |
14 void ngx_cdecl | |
15 ngx_event_log(ngx_err_t err, const char *fmt, ...) | |
16 { | |
17 u_char *p, *last; | |
18 long types; | |
19 HKEY key; | |
20 HANDLE ev; | |
21 va_list args; | |
22 u_char text[NGX_MAX_ERROR_STR]; | |
23 const char *msgarg[9]; | |
24 static u_char netmsg[] = "%SystemRoot%\\System32\\netmsg.dll"; | |
25 | |
2764
d4a717592877
use ngx_vslprintf(), ngx_slprintf()
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
26 last = text + NGX_MAX_ERROR_STR; |
2725 | 27 p = text + GetModuleFileName(NULL, (char *) text, NGX_MAX_ERROR_STR - 50); |
28 | |
29 *p++ = ':'; | |
30 ngx_linefeed(p); | |
31 | |
32 va_start(args, fmt); | |
2764
d4a717592877
use ngx_vslprintf(), ngx_slprintf()
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
33 p = ngx_vslprintf(p, last, fmt, args); |
2725 | 34 va_end(args); |
35 | |
36 if (err) { | |
2765 | 37 p = ngx_log_errno(p, last, err); |
2725 | 38 } |
39 | |
40 if (p > last - NGX_LINEFEED_SIZE - 1) { | |
41 p = last - NGX_LINEFEED_SIZE - 1; | |
42 } | |
43 | |
44 ngx_linefeed(p); | |
45 | |
46 *p = '\0'; | |
47 | |
48 /* | |
49 * we do not log errors here since we use | |
50 * Event Log only to log our own logs open errors | |
51 */ | |
52 | |
53 if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, | |
54 "SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\nginx", | |
55 0, NULL, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, NULL, &key, NULL) | |
56 != 0) | |
57 { | |
58 return; | |
59 } | |
60 | |
61 if (RegSetValueEx(key, "EventMessageFile", 0, REG_EXPAND_SZ, | |
62 netmsg, sizeof(netmsg) - 1) | |
63 != 0) | |
64 { | |
65 return; | |
66 } | |
67 | |
68 types = EVENTLOG_ERROR_TYPE; | |
69 | |
70 if (RegSetValueEx(key, "TypesSupported", 0, REG_DWORD, | |
71 (u_char *) &types, sizeof(long)) | |
72 != 0) | |
73 { | |
74 return; | |
75 } | |
76 | |
77 RegCloseKey(key); | |
78 | |
79 ev = RegisterEventSource(NULL, "nginx"); | |
80 | |
81 msgarg[0] = (char *) text; | |
82 msgarg[1] = NULL; | |
83 msgarg[2] = NULL; | |
84 msgarg[3] = NULL; | |
85 msgarg[4] = NULL; | |
86 msgarg[5] = NULL; | |
87 msgarg[6] = NULL; | |
88 msgarg[7] = NULL; | |
89 msgarg[8] = NULL; | |
90 | |
91 /* | |
92 * the 3299 event id in netmsg.dll has the generic message format: | |
93 * "%1 %2 %3 %4 %5 %6 %7 %8 %9" | |
94 */ | |
95 | |
96 ReportEvent(ev, EVENTLOG_ERROR_TYPE, 0, 3299, NULL, 9, 0, msgarg, NULL); | |
97 | |
98 DeregisterEventSource(ev); | |
99 } |