Mercurial > hg > nginx
annotate src/core/ngx_log.h @ 333:be40e9893a19
nginx-0.0.3-2004-05-11-20:16:13 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 11 May 2004 16:16:13 +0000 |
parents | ce375c313e96 |
children | 73688d5d7fc3 |
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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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9 #define NGX_LOG_STDERR 0 |
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10 #define NGX_LOG_EMERG 1 |
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11 #define NGX_LOG_ALERT 2 |
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12 #define NGX_LOG_CRIT 3 |
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13 #define NGX_LOG_ERR 4 |
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14 #define NGX_LOG_WARN 5 |
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15 #define NGX_LOG_NOTICE 6 |
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16 #define NGX_LOG_INFO 7 |
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17 #define NGX_LOG_DEBUG 8 |
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18 |
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19 #define NGX_LOG_DEBUG_CORE 0x10 |
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20 #define NGX_LOG_DEBUG_ALLOC 0x20 |
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21 #define NGX_LOG_DEBUG_EVENT 0x40 |
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22 #define NGX_LOG_DEBUG_HTTP 0x80 |
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23 |
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24 #define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE |
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25 #define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_HTTP |
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26 #define NGX_LOG_DEBUG_CONNECTION 0x80000000 |
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27 #define NGX_LOG_DEBUG_ALL 0x7ffffff0 |
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28 |
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30 /* |
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31 "[%time] [%level] %pid#%tid: %message:(%errno)%errstr, while %action" |
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32 " %peer and while processing %context" |
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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 action = "reading request headers from client"; |
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38 peer = "192.168.1.1"; |
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39 context = "URL /" |
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40 |
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41 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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42 " while reading request headers from client 192.168.1.1" |
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43 " and while processing URL /" |
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44 |
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45 ---- |
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46 message = "recv() failed"; |
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47 errno = 32; |
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48 ngx_http_proxy_error_context_t: |
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49 action = "reading headers from server %s for client %s and " |
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50 "while processing %s" |
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51 backend = "127.0.0.1"; |
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52 peer = "192.168.1.1"; |
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53 context = "URL /" |
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54 |
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55 "[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)" |
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56 " while reading headers from backend 127.0.0.1" |
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57 " for client 192.168.1.1 and while processing URL /" |
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58 |
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59 ---- |
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60 "[alert] 412#3: ngx_alloc: malloc() 102400 bytes failed (12: Cannot " |
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61 "allocate memory) while reading request headers from client 192.168.1.1" |
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62 " and while processing URL /" |
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63 |
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64 |
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65 OLD: |
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66 "... while ", action = "reading client request headers" |
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67 "... while reading client request headers" |
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68 "... while ", action = "reading client request headers" |
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69 context: pop3 user account |
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70 "... while reading client command for 'john_doe'" |
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71 */ |
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72 |
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73 |
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74 typedef size_t (*ngx_log_handler_pt) (void *ctx, char *buf, size_t len); |
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75 |
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76 |
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77 struct ngx_log_s { |
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78 ngx_uint_t log_level; |
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79 ngx_open_file_t *file; |
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80 void *data; |
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81 ngx_log_handler_pt handler; |
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82 }; |
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83 |
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84 #define MAX_ERROR_STR 2048 |
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85 |
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86 |
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87 /*********************************/ |
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88 |
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89 #if (HAVE_GCC_VARIADIC_MACROS) |
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90 |
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91 #define HAVE_VARIADIC_MACROS 1 |
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92 |
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93 #define ngx_log_error(level, log, args...) \ |
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94 if (log->log_level >= level) ngx_log_error_core(level, log, args) |
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95 |
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96 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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97 const char *fmt, ...); |
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98 |
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99 /*********************************/ |
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101 #elif (HAVE_C99_VARIADIC_MACROS) |
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102 |
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103 #define HAVE_VARIADIC_MACROS 1 |
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104 |
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105 #define ngx_log_error(level, log, ...) \ |
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106 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__) |
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107 |
278
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108 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
0
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109 const char *fmt, ...); |
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110 |
201
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111 /*********************************/ |
92
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112 |
0
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113 #else /* NO VARIADIC MACROS */ |
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114 |
201
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115 #define HAVE_VARIADIC_MACROS 0 |
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116 |
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117 void ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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118 const char *fmt, ...); |
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119 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
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120 const char *fmt, va_list args); |
201
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121 void ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, const char *fmt, ...); |
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122 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...); |
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123 |
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124 |
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125 #endif /* VARIADIC MACROS */ |
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126 |
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127 |
201
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128 /*********************************/ |
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129 |
277
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130 #if (NGX_DEBUG) |
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131 |
201
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132 #if (HAVE_VARIADIC_MACROS) |
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133 |
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134 #define ngx_log_debug0(level, log, err, fmt) \ |
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135 if (log->log_level & level) \ |
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136 ngx_log_error_core(NGX_LOG_DEBUG, 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 if (log->log_level & level) \ |
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140 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1) |
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141 |
210
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142 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
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143 if (log->log_level & level) \ |
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144 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2) |
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145 |
213
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146 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
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147 if (log->log_level & level) \ |
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148 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2, arg3) |
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149 |
214
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150 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
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151 if (log->log_level & level) \ |
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152 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2, arg3, arg4) |
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153 |
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154 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
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155 if (log->log_level & level) \ |
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156 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \ |
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157 arg1, arg2, arg3, arg4, arg5) |
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158 |
210
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159 #define ngx_log_debug6(level, log, err, fmt, \ |
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160 arg1, arg2, arg3, arg4, arg5, arg6) \ |
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161 if (log->log_level & level) \ |
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162 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \ |
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163 arg1, arg2, arg3, arg4, arg5, arg6) |
201
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164 |
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165 #else /* NO VARIADIC MACROS */ |
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166 |
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167 #define ngx_log_debug0(level, log, err, fmt) \ |
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168 if (log->log_level & level) \ |
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169 ngx_log_debug_core(log, err, fmt) |
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170 |
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171 #define ngx_log_debug1(level, log, err, fmt, arg1) \ |
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172 if (log->log_level & level) \ |
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173 ngx_log_debug_core(log, err, fmt, arg1) |
210
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174 |
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175 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \ |
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176 if (log->log_level & level) \ |
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177 ngx_log_debug_core(log, err, fmt, arg1, arg2) |
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178 |
213
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179 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \ |
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180 if (log->log_level & level) \ |
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181 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3) |
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182 |
214
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183 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \ |
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184 if (log->log_level & level) \ |
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185 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4) |
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186 |
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187 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \ |
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188 if (log->log_level & level) \ |
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189 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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190 |
210
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191 #define ngx_log_debug6(level, log, err, fmt, \ |
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192 arg1, arg2, arg3, arg4, arg5, arg6) \ |
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193 if (log->log_level & level) \ |
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194 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
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195 |
201
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196 #endif |
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197 |
277
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198 #else /* NO NGX_DEBUG */ |
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199 |
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200 #define ngx_log_debug0(level, log, err, fmt) |
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201 #define ngx_log_debug1(level, log, err, fmt, arg1) |
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202 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) |
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203 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) |
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204 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) |
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205 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) |
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206 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6) |
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207 |
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208 #endif |
201
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209 |
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210 /*********************************/ |
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211 |
105
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212 #define ngx_log_alloc_log(pool, log) ngx_palloc(pool, log, sizeof(ngx_log_t)) |
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213 #define ngx_log_copy_log(new, old) ngx_memcpy(new, old, sizeof(ngx_log_t)) |
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214 |
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215 ngx_log_t *ngx_log_init_errlog(); |
208
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216 ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_array_t *args); |
234
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217 char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log); |
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218 |
109
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219 |
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220 |
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221 extern ngx_module_t ngx_errlog_module; |
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222 |
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223 |
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224 #endif /* _NGX_LOG_H_INCLUDED_ */ |