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comparison src/os/win32/ngx_event_log.c @ 2725:d43d73277c5c

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Win32 master/workers model
author Igor Sysoev <igor@sysoev.ru>
date Mon, 20 Apr 2009 06:08:47 +0000
parents
children d4a717592877
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2724:9fd2f12fee0a 2725:d43d73277c5c
1 /*
2 * Copyright (C) Igor Sysoev
3 */
4
5
6 #include <ngx_config.h>
7 #include <ngx_core.h>
8
9
10 #define NGX_MAX_ERROR_STR 2048
11
12
13 void ngx_cdecl
14 ngx_event_log(ngx_err_t err, const char *fmt, ...)
15 {
16 u_char *p, *last;
17 long types;
18 HKEY key;
19 HANDLE ev;
20 va_list args;
21 u_char text[NGX_MAX_ERROR_STR];
22 const char *msgarg[9];
23 static u_char netmsg[] = "%SystemRoot%\\System32\\netmsg.dll";
24
25 p = text + GetModuleFileName(NULL, (char *) text, NGX_MAX_ERROR_STR - 50);
26
27 *p++ = ':';
28 ngx_linefeed(p);
29
30 va_start(args, fmt);
31 p = ngx_vsnprintf(p, NGX_MAX_ERROR_STR, fmt, args);
32 va_end(args);
33
34 last = text + NGX_MAX_ERROR_STR;
35
36 if (err) {
37
38 if (p > last - 50) {
39
40 /* leave a space for an error code */
41
42 p = last - 50;
43 *p++ = '.';
44 *p++ = '.';
45 *p++ = '.';
46 }
47
48 p = ngx_snprintf(p, last - p, ((unsigned) err < 0x80000000)
49 ? " (%d: " : " (%Xd: ", err);
50 p = ngx_strerror_r(err, p, last - p);
51
52 if (p < last) {
53 *p++ = ')';
54 }
55 }
56
57 if (p > last - NGX_LINEFEED_SIZE - 1) {
58 p = last - NGX_LINEFEED_SIZE - 1;
59 }
60
61 ngx_linefeed(p);
62
63 *p = '\0';
64
65 /*
66 * we do not log errors here since we use
67 * Event Log only to log our own logs open errors
68 */
69
70 if (RegCreateKeyEx(HKEY_LOCAL_MACHINE,
71 "SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\nginx",
72 0, NULL, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, NULL, &key, NULL)
73 != 0)
74 {
75 return;
76 }
77
78 if (RegSetValueEx(key, "EventMessageFile", 0, REG_EXPAND_SZ,
79 netmsg, sizeof(netmsg) - 1)
80 != 0)
81 {
82 return;
83 }
84
85 types = EVENTLOG_ERROR_TYPE;
86
87 if (RegSetValueEx(key, "TypesSupported", 0, REG_DWORD,
88 (u_char *) &types, sizeof(long))
89 != 0)
90 {
91 return;
92 }
93
94 RegCloseKey(key);
95
96 ev = RegisterEventSource(NULL, "nginx");
97
98 msgarg[0] = (char *) text;
99 msgarg[1] = NULL;
100 msgarg[2] = NULL;
101 msgarg[3] = NULL;
102 msgarg[4] = NULL;
103 msgarg[5] = NULL;
104 msgarg[6] = NULL;
105 msgarg[7] = NULL;
106 msgarg[8] = NULL;
107
108 /*
109 * the 3299 event id in netmsg.dll has the generic message format:
110 * "%1 %2 %3 %4 %5 %6 %7 %8 %9"
111 */
112
113 ReportEvent(ev, EVENTLOG_ERROR_TYPE, 0, 3299, NULL, 9, 0, msgarg, NULL);
114
115 DeregisterEventSource(ev);
116 }