Mercurial > hg > nginx-quic
annotate src/core/ngx_log.h @ 34:95f1c2a938f3
nginx-0.0.1-2002-12-20-09:54:55 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 20 Dec 2002 06:54:55 +0000 |
parents | 708f8bb772ec |
children | a499e0d1f16e |
rev | line source |
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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 #include <ngx_files.h> |
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7 |
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8 typedef enum { |
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9 NGX_LOG_EMERG = 0, |
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10 NGX_LOG_ALERT, |
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11 NGX_LOG_CRIT, |
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12 NGX_LOG_ERR, |
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13 NGX_LOG_WARN, |
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14 NGX_LOG_NOTICE, |
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15 NGX_LOG_INFO, |
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16 NGX_LOG_DEBUG |
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17 } ngx_log_e; |
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18 |
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19 /* |
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20 "[%time] [%level] %pid#%tid: %message:(%errno)%errstr, while %action" |
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21 " %peer and while processing %context" |
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22 |
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23 ---- |
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24 message = "recv() failed"; |
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25 errno = 32; |
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26 action = "reading request headers from client"; |
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27 peer = "192.168.1.1"; |
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28 context = "URL /" |
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29 |
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30 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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31 " while reading request headers from client 192.168.1.1" |
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32 " and while processing URL /" |
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33 |
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34 ---- |
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35 message = "recv() failed"; |
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36 errno = 32; |
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37 ngx_http_proxy_error_context_t: |
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38 action = "reading headers from server %s for client %s and " |
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39 "while processing %s" |
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40 backend = "127.0.0.1"; |
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41 peer = "192.168.1.1"; |
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42 context = "URL /" |
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43 |
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44 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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45 " while reading headers from backend 127.0.0.1" |
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46 " for client 192.168.1.1 and while processing URL /" |
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47 |
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48 ---- |
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49 "[alert] 412#3: ngx_alloc: malloc() 102400 bytes failed (12: Cannot " |
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50 "allocate memory) while reading request headers from client 192.168.1.1" |
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51 " and while processing URL /" |
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52 |
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53 |
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54 OLD: |
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55 "... while ", action = "reading client request headers" |
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56 "... while reading client request headers" |
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57 "... while ", action = "reading client request headers" |
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58 context: pop3 user account |
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59 "... while reading client command for 'john_doe'" |
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60 */ |
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61 |
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62 typedef struct { |
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63 int log_level; |
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64 ngx_fd_t fd; |
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65 void *data; |
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66 size_t (*handler)(void *ctx, char *buf, size_t len); |
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67 /* STUB */ |
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68 char *action; |
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69 char *context; |
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70 /* */ |
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71 } ngx_log_t; |
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72 |
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73 #define MAX_ERROR_STR 2048 |
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74 |
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75 #define _ , |
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76 |
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77 |
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78 #if (HAVE_GCC_VARIADIC_MACROS) |
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79 |
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80 #define HAVE_VARIADIC_MACROS 1 |
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81 |
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82 #define ngx_log_error(level, log, args...) \ |
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83 if (log->log_level >= level) ngx_log_error_core(level, log, args) |
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84 |
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85 #if (NGX_DEBUG) |
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86 #define ngx_log_debug(log, args...) \ |
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87 if (log->log_level == NGX_LOG_DEBUG) \ |
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88 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args) |
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89 #else |
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90 #define ngx_log_debug(log, args...) |
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91 #endif |
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92 |
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93 #define ngx_assert(assert, fallback, log, args...) \ |
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94 if (!(assert)) { \ |
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95 if (log->log_level >= NGX_LOG_ALERT) \ |
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96 ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \ |
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97 fallback; \ |
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98 } |
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99 |
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100 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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101 const char *fmt, ...); |
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102 |
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103 #elif (HAVE_C99_VARIADIC_MACROS) |
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104 |
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105 #define HAVE_VARIADIC_MACROS 1 |
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106 |
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107 #define ngx_log_error(level, log, ...) \ |
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108 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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109 |
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110 #if (NGX_DEBUG) |
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111 #define ngx_log_debug(log, ...) \ |
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112 if (log->log_level == NGX_LOG_DEBUG) \ |
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113 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__) |
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114 #else |
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115 #define ngx_log_debug(log, ...) |
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116 #endif |
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117 |
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118 #define ngx_assert(assert, fallback, log, ...) \ |
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119 if (!(assert)) { \ |
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120 if (log->log_level >= NGX_LOG_ALERT) \ |
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121 ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \ |
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122 fallback; \ |
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123 } |
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124 |
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125 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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126 const char *fmt, ...); |
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127 |
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128 #else /* NO VARIADIC MACROS */ |
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129 |
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130 #include <stdarg.h> |
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131 |
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132 #if (NGX_DEBUG) |
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133 #define ngx_log_debug(log, text) \ |
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134 if (log->log_level == NGX_LOG_DEBUG) \ |
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135 ngx_log_debug_core(log, text) |
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136 #else |
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137 #define ngx_log_debug(log, text) |
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138 #endif |
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139 |
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140 #define ngx_assert(assert, fallback, log, text) \ |
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141 if (!(assert)) { \ |
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142 if (log->log_level >= NGX_LOG_ALERT) \ |
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143 ngx_assert_core(log, text); \ |
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144 fallback; \ |
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145 } |
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146 |
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147 void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err, |
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148 const char *fmt, ...); |
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149 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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150 const char *fmt, va_list args); |
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151 void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...); |
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152 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...); |
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153 |
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154 |
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155 #endif /* VARIADIC MACROS */ |
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156 |
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157 |
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158 #endif /* _NGX_LOG_H_INCLUDED_ */ |