Mercurial > hg > nginx
annotate src/os/win32/ngx_event_log.c @ 2764:d4a717592877
use ngx_vslprintf(), ngx_slprintf()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 27 Apr 2009 13:06:20 +0000 |
| parents | d43d73277c5c |
| children | 6d358aeaa989 |
| rev | line source |
|---|---|
| 2725 | 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 | |
|
2764
d4a717592877
use ngx_vslprintf(), ngx_slprintf()
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
25 last = text + NGX_MAX_ERROR_STR; |
| 2725 | 26 p = text + GetModuleFileName(NULL, (char *) text, NGX_MAX_ERROR_STR - 50); |
| 27 | |
| 28 *p++ = ':'; | |
| 29 ngx_linefeed(p); | |
| 30 | |
| 31 va_start(args, fmt); | |
|
2764
d4a717592877
use ngx_vslprintf(), ngx_slprintf()
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
32 p = ngx_vslprintf(p, last, fmt, args); |
| 2725 | 33 va_end(args); |
| 34 | |
| 35 if (err) { | |
| 36 | |
| 37 if (p > last - 50) { | |
| 38 | |
| 39 /* leave a space for an error code */ | |
| 40 | |
| 41 p = last - 50; | |
| 42 *p++ = '.'; | |
| 43 *p++ = '.'; | |
| 44 *p++ = '.'; | |
| 45 } | |
| 46 | |
|
2764
d4a717592877
use ngx_vslprintf(), ngx_slprintf()
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
47 p = ngx_slprintf(p, last, ((unsigned) err < 0x80000000) |
|
d4a717592877
use ngx_vslprintf(), ngx_slprintf()
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
48 ? " (%d: " : " (%Xd: ", err); |
| 2725 | 49 p = ngx_strerror_r(err, p, last - p); |
| 50 | |
| 51 if (p < last) { | |
| 52 *p++ = ')'; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 if (p > last - NGX_LINEFEED_SIZE - 1) { | |
| 57 p = last - NGX_LINEFEED_SIZE - 1; | |
| 58 } | |
| 59 | |
| 60 ngx_linefeed(p); | |
| 61 | |
| 62 *p = '\0'; | |
| 63 | |
| 64 /* | |
| 65 * we do not log errors here since we use | |
| 66 * Event Log only to log our own logs open errors | |
| 67 */ | |
| 68 | |
| 69 if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, | |
| 70 "SYSTEM\\CurrentControlSet\\Services\\EventLog\\Application\\nginx", | |
| 71 0, NULL, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, NULL, &key, NULL) | |
| 72 != 0) | |
| 73 { | |
| 74 return; | |
| 75 } | |
| 76 | |
| 77 if (RegSetValueEx(key, "EventMessageFile", 0, REG_EXPAND_SZ, | |
| 78 netmsg, sizeof(netmsg) - 1) | |
| 79 != 0) | |
| 80 { | |
| 81 return; | |
| 82 } | |
| 83 | |
| 84 types = EVENTLOG_ERROR_TYPE; | |
| 85 | |
| 86 if (RegSetValueEx(key, "TypesSupported", 0, REG_DWORD, | |
| 87 (u_char *) &types, sizeof(long)) | |
| 88 != 0) | |
| 89 { | |
| 90 return; | |
| 91 } | |
| 92 | |
| 93 RegCloseKey(key); | |
| 94 | |
| 95 ev = RegisterEventSource(NULL, "nginx"); | |
| 96 | |
| 97 msgarg[0] = (char *) text; | |
| 98 msgarg[1] = NULL; | |
| 99 msgarg[2] = NULL; | |
| 100 msgarg[3] = NULL; | |
| 101 msgarg[4] = NULL; | |
| 102 msgarg[5] = NULL; | |
| 103 msgarg[6] = NULL; | |
| 104 msgarg[7] = NULL; | |
| 105 msgarg[8] = NULL; | |
| 106 | |
| 107 /* | |
| 108 * the 3299 event id in netmsg.dll has the generic message format: | |
| 109 * "%1 %2 %3 %4 %5 %6 %7 %8 %9" | |
| 110 */ | |
| 111 | |
| 112 ReportEvent(ev, EVENTLOG_ERROR_TYPE, 0, 3299, NULL, 9, 0, msgarg, NULL); | |
| 113 | |
| 114 DeregisterEventSource(ev); | |
| 115 } |