Mercurial > hg > nginx-quic
annotate src/core/ngx_log.h @ 6303:a93345ee8f52
Upstream: fixed "no port" detection in evaluated upstreams.
If an upstream with variables evaluated to address without a port,
then instead of a "no port in upstream" error an attempt was made
to connect() which failed with EADDRNOTAVAIL.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Sat, 21 Nov 2015 10:44:07 +0300 |
parents | db138b3b645e |
children | 4b420f9c4c5d |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_LOG_H_INCLUDED_ |
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9 #define _NGX_LOG_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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16 #define NGX_LOG_STDERR 0 |
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17 #define NGX_LOG_EMERG 1 |
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18 #define NGX_LOG_ALERT 2 |
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19 #define NGX_LOG_CRIT 3 |
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20 #define NGX_LOG_ERR 4 |
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21 #define NGX_LOG_WARN 5 |
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22 #define NGX_LOG_NOTICE 6 |
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23 #define NGX_LOG_INFO 7 |
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24 #define NGX_LOG_DEBUG 8 |
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26 #define NGX_LOG_DEBUG_CORE 0x010 |
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27 #define NGX_LOG_DEBUG_ALLOC 0x020 |
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28 #define NGX_LOG_DEBUG_MUTEX 0x040 |
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29 #define NGX_LOG_DEBUG_EVENT 0x080 |
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30 #define NGX_LOG_DEBUG_HTTP 0x100 |
1136 | 31 #define NGX_LOG_DEBUG_MAIL 0x200 |
645 | 32 #define NGX_LOG_DEBUG_MYSQL 0x400 |
6115 | 33 #define NGX_LOG_DEBUG_STREAM 0x800 |
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34 |
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35 /* |
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36 * do not forget to update debug_levels[] in src/core/ngx_log.c |
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37 * after the adding a new debug level |
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38 */ |
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40 #define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE |
6115 | 41 #define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_STREAM |
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42 #define NGX_LOG_DEBUG_CONNECTION 0x80000000 |
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43 #define NGX_LOG_DEBUG_ALL 0x7ffffff0 |
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483 | 46 typedef u_char *(*ngx_log_handler_pt) (ngx_log_t *log, u_char *buf, size_t len); |
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47 typedef void (*ngx_log_writer_pt) (ngx_log_t *log, ngx_uint_t level, |
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48 u_char *buf, size_t len); |
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49 |
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51 struct ngx_log_s { |
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52 ngx_uint_t log_level; |
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53 ngx_open_file_t *file; |
483 | 54 |
495 | 55 ngx_atomic_uint_t connection; |
483 | 56 |
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57 time_t disk_full_time; |
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483 | 59 ngx_log_handler_pt handler; |
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60 void *data; |
483 | 61 |
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62 ngx_log_writer_pt writer; |
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63 void *wdata; |
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64 |
483 | 65 /* |
66 * we declare "action" as "char *" because the actions are usually | |
67 * the static strings and in the "u_char *" case we have to override | |
68 * their types all the time | |
69 */ | |
70 | |
71 char *action; | |
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72 |
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73 ngx_log_t *next; |
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74 }; |
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461 | 76 |
77 #define NGX_MAX_ERROR_STR 2048 | |
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78 |
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80 /*********************************/ |
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81 |
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82 #if (NGX_HAVE_C99_VARIADIC_MACROS) |
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83 |
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84 #define NGX_HAVE_VARIADIC_MACROS 1 |
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85 |
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86 #define ngx_log_error(level, log, ...) \ |
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87 if ((log)->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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88 |
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89 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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90 const char *fmt, ...); |
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91 |
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92 #define ngx_log_debug(level, log, ...) \ |
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93 if ((log)->log_level & level) \ |
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94 ngx_log_error_core(NGX_LOG_DEBUG, log, __VA_ARGS__) |
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95 |
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96 /*********************************/ |
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97 |
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98 #elif (NGX_HAVE_GCC_VARIADIC_MACROS) |
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455 | 100 #define NGX_HAVE_VARIADIC_MACROS 1 |
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101 |
483 | 102 #define ngx_log_error(level, log, args...) \ |
543 | 103 if ((log)->log_level >= level) ngx_log_error_core(level, log, args) |
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105 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 106 const char *fmt, ...); |
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107 |
483 | 108 #define ngx_log_debug(level, log, args...) \ |
543 | 109 if ((log)->log_level & level) \ |
483 | 110 ngx_log_error_core(NGX_LOG_DEBUG, log, args) |
111 | |
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112 /*********************************/ |
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113 |
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114 #else /* no variadic macros */ |
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455 | 116 #define NGX_HAVE_VARIADIC_MACROS 0 |
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117 |
503 | 118 void ngx_cdecl ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 119 const char *fmt, ...); |
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120 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
499 | 121 const char *fmt, va_list args); |
503 | 122 void ngx_cdecl ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, |
123 const char *fmt, ...); | |
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124 |
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126 #endif /* variadic macros */ |
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129 /*********************************/ |
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131 #if (NGX_DEBUG) |
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132 |
455 | 133 #if (NGX_HAVE_VARIADIC_MACROS) |
201
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134 |
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135 #define ngx_log_debug0(level, log, err, fmt) \ |
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136 ngx_log_debug(level, log, err, fmt) |
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137 |
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138 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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139 ngx_log_debug(level, log, err, fmt, arg1) |
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140 |
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141 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
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142 ngx_log_debug(level, log, err, fmt, arg1, arg2) |
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143 |
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144 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
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145 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3) |
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146 |
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147 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
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148 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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149 |
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150 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
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151 ngx_log_debug(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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152 |
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153 #define ngx_log_debug6(level, log, err, fmt, \ |
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154 arg1, arg2, arg3, arg4, arg5, arg6) \ |
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155 ngx_log_debug(level, log, err, fmt, \ |
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156 arg1, arg2, arg3, arg4, arg5, arg6) |
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157 |
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158 #define ngx_log_debug7(level, log, err, fmt, \ |
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159 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ |
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160 ngx_log_debug(level, log, err, fmt, \ |
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161 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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162 |
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163 #define ngx_log_debug8(level, log, err, fmt, \ |
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164 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ |
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165 ngx_log_debug(level, log, err, fmt, \ |
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166 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) |
389
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167 |
515 | 168 |
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169 #else /* no variadic macros */ |
201
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170 |
483 | 171 #define ngx_log_debug0(level, log, err, fmt) \ |
543 | 172 if ((log)->log_level & level) \ |
201
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173 ngx_log_debug_core(log, err, fmt) |
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174 |
483 | 175 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
543 | 176 if ((log)->log_level & level) \ |
201
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177 ngx_log_debug_core(log, err, fmt, arg1) |
210
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178 |
483 | 179 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
543 | 180 if ((log)->log_level & level) \ |
210
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181 ngx_log_debug_core(log, err, fmt, arg1, arg2) |
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182 |
483 | 183 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
543 | 184 if ((log)->log_level & level) \ |
213
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185 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3) |
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186 |
483 | 187 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
543 | 188 if ((log)->log_level & level) \ |
214
e0c502f15852
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189 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4) |
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190 |
483 | 191 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
543 | 192 if ((log)->log_level & level) \ |
214
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193 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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194 |
483 | 195 #define ngx_log_debug6(level, log, err, fmt, \ |
196 arg1, arg2, arg3, arg4, arg5, arg6) \ | |
543 | 197 if ((log)->log_level & level) \ |
210
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198 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
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199 |
483 | 200 #define ngx_log_debug7(level, log, err, fmt, \ |
201 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ | |
543 | 202 if ((log)->log_level & level) \ |
483 | 203 ngx_log_debug_core(log, err, fmt, \ |
389
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204 arg1, arg2, arg3, arg4, arg5, arg6, arg7) |
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205 |
483 | 206 #define ngx_log_debug8(level, log, err, fmt, \ |
207 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \ | |
543 | 208 if ((log)->log_level & level) \ |
483 | 209 ngx_log_debug_core(log, err, fmt, \ |
210 arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) | |
211 | |
201
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212 #endif |
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213 |
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214 #else /* !NGX_DEBUG */ |
277
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215 |
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216 #define ngx_log_debug0(level, log, err, fmt) |
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217 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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218 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) |
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219 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) |
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220 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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221 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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222 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
426
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diff
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223 #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
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224 arg6, arg7) |
483 | 225 #define ngx_log_debug8(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ |
226 arg6, arg7, arg8) | |
277
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227 |
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228 #endif |
201
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229 |
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230 /*********************************/ |
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231 |
2758 | 232 ngx_log_t *ngx_log_init(u_char *prefix); |
2752
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233 void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...); |
2743
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issue start up errors and warning on both stderr and error_log
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234 void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...); |
2765 | 235 u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err); |
5260
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236 ngx_int_t ngx_log_open_default(ngx_cycle_t *cycle); |
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237 ngx_int_t ngx_log_redirect_stderr(ngx_cycle_t *cycle); |
5702
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Added syslog support for error_log and access_log directives.
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238 ngx_log_t *ngx_log_get_file_log(ngx_log_t *head); |
5254
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239 char *ngx_log_set_log(ngx_conf_t *cf, ngx_log_t **head); |
234
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218
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240 |
109
a9bc21d63fe4
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241 |
4283
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242 /* |
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243 * ngx_write_stderr() cannot be implemented as macro, since |
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244 * MSVC does not allow to use #ifdef inside macro parameters. |
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245 * |
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246 * ngx_write_fd() is used instead of ngx_write_console(), since |
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247 * CharToOemBuff() inside ngx_write_console() cannot be used with |
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248 * read only buffer as destination and CharToOemBuff() is not needed |
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249 * for ngx_write_stderr() anyway. |
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250 */ |
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251 static ngx_inline void |
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252 ngx_write_stderr(char *text) |
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253 { |
5763
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Style: use ngx_strlen() instead of strlen().
Tatsuhiko Kubo <cubicdaiya@gmail.com>
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5702
diff
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254 (void) ngx_write_fd(ngx_stderr, text, ngx_strlen(text)); |
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255 } |
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256 |
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257 |
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258 static ngx_inline void |
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259 ngx_write_stdout(char *text) |
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260 { |
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261 (void) ngx_write_fd(ngx_stdout, text, ngx_strlen(text)); |
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262 } |
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263 |
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264 |
100
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265 extern ngx_module_t ngx_errlog_module; |
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266 extern ngx_uint_t ngx_use_stderr; |
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267 |
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268 |
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269 #endif /* _NGX_LOG_H_INCLUDED_ */ |