Mercurial > hg > nginx-quic
annotate src/core/ngx_log.h @ 0:4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
The first code that uses "ngx_" prefix, the previous one used "gx_" prefix.
At that point the code is not yet usable. The first draft ideas are dated
back to 23.10.2001.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 06 Aug 2002 16:39:45 +0000 |
parents | |
children | 34a521b1a148 |
rev | line source |
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0
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1 #ifndef _NGX_LOG_H_INCLUDED_ |
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2 #define _NGX_LOG_H_INCLUDED_ |
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3 |
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4 |
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5 #include <ngx_errno.h> |
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6 |
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7 typedef enum { |
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8 NGX_LOG_EMERG = 0, |
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9 NGX_LOG_ALERT, |
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10 NGX_LOG_CRIT, |
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11 NGX_LOG_ERR, |
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12 NGX_LOG_WARN, |
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13 NGX_LOG_NOTICE, |
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14 NGX_LOG_INFO, |
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15 NGX_LOG_DEBUG |
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16 } ngx_log_e; |
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17 |
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18 /* |
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19 "... while ", action = "reading client request headers" |
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20 "... while reading client request headers" |
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21 "... while ", action = "reading client request headers" |
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22 context: pop3 user account |
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23 "... while reading client command for 'john_doe'" |
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24 */ |
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25 |
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26 typedef struct { |
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27 int log_level; |
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28 char *action; |
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29 char *context; |
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30 /* char *func(ngx_log_t *log); */ |
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31 } ngx_log_t; |
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32 |
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33 #define MAX_ERROR_STR 2048 |
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34 |
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35 #define _ , |
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36 |
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37 |
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38 #if (HAVE_GCC_VARIADIC_MACROS) |
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39 |
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40 #define HAVE_VARIADIC_MACROS 1 |
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41 |
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42 #define ngx_log_error(level, log, args...) \ |
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43 if (log->log_level >= level) ngx_log_error_core(level, log, args) |
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44 |
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45 #ifdef NGX_DEBUG |
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46 #define ngx_log_debug(log, args...) \ |
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47 if (log->log_level == NGX_LOG_DEBUG) \ |
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48 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args) |
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49 #else |
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50 #define ngx_log_debug(log, args...) |
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51 #endif |
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52 |
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53 #define ngx_assert(assert, fallback, log, args...) \ |
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54 if (!(assert)) { \ |
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55 if (log->log_level >= NGX_LOG_ALERT) \ |
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56 ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \ |
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57 fallback; \ |
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58 } |
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59 |
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60 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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61 const char *fmt, ...); |
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62 |
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63 #elif (HAVE_C99_VARIADIC_MACROS) |
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64 |
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65 #define HAVE_VARIADIC_MACROS 1 |
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66 |
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67 #define ngx_log_error(level, log, ...) \ |
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68 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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69 |
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70 #ifdef NGX_DEBUG |
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71 #define ngx_log_debug(log, ...) \ |
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72 if (log->log_level == NGX_LOG_DEBUG) \ |
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73 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__) |
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74 #else |
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75 #define ngx_log_debug(log, ...) |
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76 #endif |
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77 |
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78 #define ngx_assert(assert, fallback, log, ...) \ |
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79 if (!(assert)) { \ |
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80 if (log->log_level >= NGX_LOG_ALERT) \ |
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81 ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \ |
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82 fallback; \ |
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83 } |
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84 |
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85 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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86 const char *fmt, ...); |
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87 |
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88 #else /* NO VARIADIC MACROS */ |
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89 |
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90 #include <stdarg.h> |
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91 |
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92 #ifdef NGX_DEBUG |
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93 #define ngx_log_debug(log, text) \ |
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94 if (log->log_level == NGX_LOG_DEBUG) \ |
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95 ngx_log_debug_core(log, text) |
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96 #else |
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97 #define ngx_log_debug(log, text) |
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98 #endif |
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99 |
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100 #define ngx_assert(assert, fallback, log, text) \ |
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101 if (!(assert)) { \ |
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102 if (log->log_level >= NGX_LOG_ALERT) \ |
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103 ngx_assert_core(log, text); \ |
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104 fallback; \ |
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105 } |
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106 |
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107 void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err, |
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108 const char *fmt, ...); |
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109 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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110 const char *fmt, va_list args); |
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111 void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...); |
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112 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...); |
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113 |
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114 |
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115 #endif /* VARIADIC MACROS */ |
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116 |
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117 |
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118 #endif /* _NGX_LOG_H_INCLUDED_ */ |