Mercurial > hg > nginx
annotate src/core/ngx_log.h @ 105:00bee6e7b485
nginx-0.0.1-2003-06-15-22:32:13 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 15 Jun 2003 18:32:13 +0000 |
parents | 7ebc8b7fb816 |
children | 9f9de4deda7e |
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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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5 #include <ngx_config.h> |
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6 #include <ngx_core.h> |
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8 |
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9 typedef enum { |
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10 NGX_LOG_STDERR = 0, |
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11 NGX_LOG_EMERG, |
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12 NGX_LOG_ALERT, |
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13 NGX_LOG_CRIT, |
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14 NGX_LOG_ERR, |
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15 NGX_LOG_WARN, |
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16 NGX_LOG_NOTICE, |
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17 NGX_LOG_INFO, |
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18 NGX_LOG_DEBUG |
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19 } ngx_log_e; |
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20 |
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22 /* |
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23 "[%time] [%level] %pid#%tid: %message:(%errno)%errstr, while %action" |
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24 " %peer and while processing %context" |
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25 |
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26 ---- |
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27 message = "recv() failed"; |
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28 errno = 32; |
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29 action = "reading request headers from client"; |
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30 peer = "192.168.1.1"; |
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31 context = "URL /" |
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32 |
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33 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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34 " while reading request headers from client 192.168.1.1" |
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35 " and while processing URL /" |
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36 |
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37 ---- |
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38 message = "recv() failed"; |
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39 errno = 32; |
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40 ngx_http_proxy_error_context_t: |
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41 action = "reading headers from server %s for client %s and " |
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42 "while processing %s" |
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43 backend = "127.0.0.1"; |
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44 peer = "192.168.1.1"; |
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45 context = "URL /" |
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46 |
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47 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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48 " while reading headers from backend 127.0.0.1" |
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49 " for client 192.168.1.1 and while processing URL /" |
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50 |
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51 ---- |
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52 "[alert] 412#3: ngx_alloc: malloc() 102400 bytes failed (12: Cannot " |
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53 "allocate memory) while reading request headers from client 192.168.1.1" |
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54 " and while processing URL /" |
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55 |
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56 |
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57 OLD: |
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58 "... while ", action = "reading client request headers" |
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59 "... while reading client request headers" |
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60 "... while ", action = "reading client request headers" |
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61 context: pop3 user account |
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62 "... while reading client command for 'john_doe'" |
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63 */ |
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64 |
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65 |
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66 typedef struct { |
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67 int log_level; |
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68 ngx_fd_t fd; |
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69 void *data; |
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70 size_t (*handler)(void *ctx, char *buf, size_t len); |
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71 #if 0 |
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72 /* STUB */ |
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73 char *action; |
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74 char *context; |
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75 /* */ |
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76 #endif |
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77 } ngx_log_t; |
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78 |
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79 #define MAX_ERROR_STR 2048 |
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80 |
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81 #define _ , |
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82 |
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83 |
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84 #if (HAVE_GCC_VARIADIC_MACROS) |
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85 |
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86 #define HAVE_VARIADIC_MACROS 1 |
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87 |
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88 #define ngx_log_error(level, log, args...) \ |
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89 if (log->log_level >= level) ngx_log_error_core(level, log, args) |
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90 |
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91 #if (NGX_DEBUG) |
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92 #define ngx_log_debug(log, args...) \ |
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93 if (log->log_level == NGX_LOG_DEBUG) \ |
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94 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args) |
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95 #else |
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96 #define ngx_log_debug(log, args...) |
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97 #endif |
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98 |
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99 #define ngx_assert(assert, fallback, log, args...) \ |
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100 if (!(assert)) { \ |
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101 if (log->log_level >= NGX_LOG_ALERT) \ |
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102 ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \ |
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103 fallback; \ |
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104 } |
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105 |
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106 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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107 const char *fmt, ...); |
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108 |
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109 |
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110 #elif (HAVE_C99_VARIADIC_MACROS) |
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111 |
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112 #define HAVE_VARIADIC_MACROS 1 |
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113 |
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114 #define ngx_log_error(level, log, ...) \ |
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115 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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116 |
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117 #if (NGX_DEBUG) |
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118 #define ngx_log_debug(log, ...) \ |
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119 if (log->log_level == NGX_LOG_DEBUG) \ |
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120 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__) |
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121 #else |
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122 #define ngx_log_debug(log, ...) |
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123 #endif |
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124 |
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125 #define ngx_assert(assert, fallback, log, ...) \ |
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126 if (!(assert)) { \ |
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127 if (log->log_level >= NGX_LOG_ALERT) \ |
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128 ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \ |
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129 fallback; \ |
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130 } |
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131 |
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132 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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133 const char *fmt, ...); |
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134 |
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135 |
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136 #else /* NO VARIADIC MACROS */ |
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137 |
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138 #include <stdarg.h> |
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139 |
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140 #if (NGX_DEBUG) |
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141 #define ngx_log_debug(log, text) \ |
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142 if (log->log_level == NGX_LOG_DEBUG) \ |
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143 ngx_log_debug_core(log, text) |
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144 #else |
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145 #define ngx_log_debug(log, text) |
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146 #endif |
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147 |
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148 #define ngx_assert(assert, fallback, log, text) \ |
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149 if (!(assert)) { \ |
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150 if (log->log_level >= NGX_LOG_ALERT) \ |
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151 ngx_assert_core(log, text); \ |
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152 fallback; \ |
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153 } |
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154 |
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155 void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err, |
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156 const char *fmt, ...); |
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157 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, |
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158 const char *fmt, va_list args); |
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159 void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...); |
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160 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...); |
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161 |
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162 |
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163 #endif /* VARIADIC MACROS */ |
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164 |
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165 |
105
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166 #define ngx_log_alloc_log(pool, log) ngx_palloc(pool, log, sizeof(ngx_log_t)) |
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167 #define ngx_log_copy_log(new, old) ngx_memcpy(new, old, sizeof(ngx_log_t)) |
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168 |
100
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169 ngx_log_t *ngx_log_init_errlog(); |
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170 char *ngx_log_set_errlog(ngx_conf_t *cf, ngx_command_t *cmd, ngx_log_t *log); |
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171 |
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172 |
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173 extern ngx_module_t ngx_errlog_module; |
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174 |
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175 |
0
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176 #endif /* _NGX_LOG_H_INCLUDED_ */ |