118
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10 #include <nginx.h>
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11
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12
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122
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13
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14 typedef struct {
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15 ngx_str_t name;
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16 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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17 } ngx_http_log_fmt_t;
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18
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19 typedef struct {
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20 ngx_array_t formats; /* array of ngx_http_log_fmt_t */
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21 ngx_uint_t combined_used; /* unsigned combined_used:1 */
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22 } ngx_http_log_main_conf_t;
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23
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24 typedef struct {
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25 ngx_open_file_t *file;
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26 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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27 } ngx_http_log_t;
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28
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29 typedef struct {
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30 ngx_array_t *logs; /* array of ngx_http_log_t */
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31 ngx_uint_t off; /* unsigned off:1 */
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32 } ngx_http_log_loc_conf_t;
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33
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34
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35 typedef struct {
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36 ngx_str_t name;
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37 size_t len;
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38 ngx_http_log_op_run_pt run;
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39 } ngx_http_log_var_t;
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40
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41
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118
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42 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
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43 ngx_http_log_op_t *op);
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44 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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45 ngx_http_log_op_t *op);
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46 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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47 ngx_http_log_op_t *op);
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48 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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49 ngx_http_log_op_t *op);
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50 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
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51 ngx_http_log_op_t *op);
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52 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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53 ngx_http_log_op_t *op);
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54 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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55 ngx_http_log_op_t *op);
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122
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56 static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
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57 ngx_http_log_op_t *op);
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122
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58 static u_char *ngx_http_log_apache_bytes_sent(ngx_http_request_t *r,
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59 u_char *buf, ngx_http_log_op_t *op);
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118
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60 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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61 ngx_http_log_op_t *op);
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62
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63 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
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64 uintptr_t data);
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65 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
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66 ngx_http_log_op_t *op);
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67
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68 static ngx_int_t ngx_http_log_header_in_compile(ngx_conf_t *cf,
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69 ngx_http_log_op_t *op, ngx_str_t *value);
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70 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
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71 uintptr_t data);
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72 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
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73 ngx_http_log_op_t *op);
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74 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
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75 uintptr_t data);
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76 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
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77 u_char *buf, ngx_http_log_op_t *op);
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78
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79 static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf,
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80 ngx_http_log_op_t *op, ngx_str_t *value);
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81 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
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82 uintptr_t data);
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83 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
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84 ngx_http_log_op_t *op);
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85 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
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86 uintptr_t data);
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87 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
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88 u_char *buf, ngx_http_log_op_t *op);
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89
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90 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
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91 u_char *buf, ngx_http_log_op_t *op);
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92 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
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93 u_char *buf, ngx_http_log_op_t *op);
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94
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95 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
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96 ngx_str_t *value);
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97
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98 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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99 ngx_http_log_op_t *op, ngx_str_t *value);
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100 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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101 uintptr_t data);
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102 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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103 ngx_http_log_op_t *op);
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104
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105
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106 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
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107 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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108 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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109 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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110 void *child);
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111 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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112 void *conf);
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113 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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114 void *conf);
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122
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115 static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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116 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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117 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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118
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118
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119
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120 static ngx_command_t ngx_http_log_commands[] = {
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121
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122 { ngx_string("log_format"),
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123 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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124 ngx_http_log_set_format,
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125 NGX_HTTP_MAIN_CONF_OFFSET,
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126 0,
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127 NULL },
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128
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129 { ngx_string("access_log"),
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120
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130 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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118
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131 ngx_http_log_set_log,
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132 NGX_HTTP_LOC_CONF_OFFSET,
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133 0,
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134 NULL },
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135
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136 ngx_null_command
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137 };
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138
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139
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140 ngx_http_module_t ngx_http_log_module_ctx = {
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141 ngx_http_log_set_formats, /* preconfiguration */
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122
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142 ngx_http_log_init, /* postconfiguration */
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143
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144 ngx_http_log_create_main_conf, /* create main configuration */
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145 NULL, /* init main configuration */
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146
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147 NULL, /* create server configuration */
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148 NULL, /* merge server configuration */
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149
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150 ngx_http_log_create_loc_conf, /* create location configration */
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151 ngx_http_log_merge_loc_conf /* merge location configration */
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152 };
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153
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154
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155 ngx_module_t ngx_http_log_module = {
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156 NGX_MODULE_V1,
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157 &ngx_http_log_module_ctx, /* module context */
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158 ngx_http_log_commands, /* module directives */
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159 NGX_HTTP_MODULE, /* module type */
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160 NULL, /* init master */
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161 NULL, /* init module */
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162 NULL, /* init process */
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163 NULL, /* init thread */
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164 NULL, /* exit thread */
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165 NULL, /* exit process */
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166 NULL, /* exit master */
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167 NGX_MODULE_V1_PADDING
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168 };
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169
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170
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122
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171 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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172
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173
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174 static ngx_str_t ngx_http_combined_fmt =
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175 ngx_string("$remote_addr - $remote_user [$time_gmt] "
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176 "\"$request\" $status $apache_bytes_sent "
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177 "\"$http_referer\" \"$http_user_agent\"");
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118
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178
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179
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122
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180 static ngx_http_log_var_t ngx_http_log_vars[] = {
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181 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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182 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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183 { ngx_string("time_gmt"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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184 ngx_http_log_time },
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185 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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186 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time },
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187 { ngx_string("status"), 3, ngx_http_log_status },
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188 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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189 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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190 ngx_http_log_apache_bytes_sent },
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191 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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192 ngx_http_log_request_length },
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193
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194 { ngx_null_string, 0, NULL }
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195 };
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196
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197
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122
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198 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
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199 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
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200 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
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201 ngx_http_log_connection },
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202 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
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203 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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204 NULL, NULL, ngx_http_log_time },
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205 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
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206 { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL,
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207 ngx_http_log_request_time },
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208 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
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122
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209 { ngx_string("length"), NGX_OFF_T_LEN,
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210 NULL, NULL, ngx_http_log_bytes_sent },
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118
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211 { ngx_string("apache_length"), NGX_OFF_T_LEN,
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122
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212 NULL, NULL, ngx_http_log_apache_bytes_sent },
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118
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213 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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214 NULL, NULL, ngx_http_log_request_length },
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215
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216 { ngx_string("request"), 0, NULL,
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217 ngx_http_log_request_getlen,
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218 ngx_http_log_request },
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219
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220 { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL,
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221 ngx_http_log_header_in },
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222 { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL,
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223 ngx_http_log_header_out },
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224 { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL,
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225 ngx_http_log_variable },
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226
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227 { ngx_null_string, 0, NULL, NULL, NULL }
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228 };
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229
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230
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231 ngx_int_t
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232 ngx_http_log_handler(ngx_http_request_t *r)
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233 {
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234 ngx_uint_t i, l;
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235 u_char *line, *p;
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236 size_t len;
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237 ngx_http_log_t *log;
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238 ngx_open_file_t *file;
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239 ngx_http_log_op_t *op;
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240 ngx_http_log_loc_conf_t *lcf;
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241
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242 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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243 "http log handler");
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244
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245 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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246
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247 if (lcf->off) {
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248 return NGX_OK;
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249 }
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250
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251 log = lcf->logs->elts;
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252 for (l = 0; l < lcf->logs->nelts; l++) {
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253
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254 len = 0;
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255 op = log[l].ops->elts;
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256 for (i = 0; i < log[l].ops->nelts; i++) {
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257 if (op[i].len == 0) {
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258 len += op[i].getlen(r, op[i].data);
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259
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260 } else {
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261 len += op[i].len;
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262 }
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263 }
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264
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120
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265 len += NGX_LINEFEED_SIZE;
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266
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267 file = log[l].file;
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268
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269 if (file->buffer) {
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270
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271 if (len > (size_t) (file->last - file->pos)) {
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272
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273 ngx_write_fd(file->fd, file->buffer, file->pos - file->buffer);
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274
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275 file->pos = file->buffer;
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276 }
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277
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278 if (len <= (size_t) (file->last - file->pos)) {
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279
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280 p = file->pos;
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281
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282 for (i = 0; i < log[l].ops->nelts; i++) {
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283 p = op[i].run(r, p, &op[i]);
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284 }
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285
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286 ngx_linefeed(p);
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287
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288 file->pos = p;
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289
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290 continue;
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291 }
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292 }
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293
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294 line = ngx_palloc(r->pool, len);
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295 if (line == NULL) {
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296 return NGX_ERROR;
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297 }
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298
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299 p = line;
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300
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301 for (i = 0; i < log[l].ops->nelts; i++) {
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302 p = op[i].run(r, p, &op[i]);
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303 }
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304
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120
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305 ngx_linefeed(p);
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306
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307 ngx_write_fd(file->fd, line, p - line);
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118
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308 }
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309
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310 return NGX_OK;
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311 }
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312
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313
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314 static u_char *
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315 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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316 ngx_http_log_op_t *op)
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317 {
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318 size_t len;
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319 uintptr_t data;
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320
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321 len = op->len;
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322 data = op->data;
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323
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324 while (len--) {
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325 *buf++ = (u_char) (data & 0xff);
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326 data >>= 8;
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327 }
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328
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329 return buf;
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330 }
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331
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332
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333 static u_char *
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334 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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335 ngx_http_log_op_t *op)
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336 {
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337 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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338 }
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339
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340
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341 static u_char *
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342 ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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343 {
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344 return ngx_cpymem(buf, r->connection->addr_text.data,
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345 r->connection->addr_text.len);
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346 }
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347
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348
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349 static u_char *
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350 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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351 ngx_http_log_op_t *op)
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352 {
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353 return ngx_sprintf(buf, "%ui", r->connection->number);
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354 }
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355
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356
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357 static u_char *
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358 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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359 {
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360 if (r->pipeline) {
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361 *buf = 'p';
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362 } else {
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363 *buf = '.';
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364 }
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365
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366 return buf + 1;
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367 }
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368
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369
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370 static u_char *
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371 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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372 {
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373 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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374 ngx_cached_http_log_time.len);
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375 }
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376
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377
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378 static u_char *
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379 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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380 {
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381 ngx_time_t *tp;
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382
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383 tp = ngx_timeofday();
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384
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385 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
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386 }
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387
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388
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389 static u_char *
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390 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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391 ngx_http_log_op_t *op)
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392 {
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393 time_t elapsed;
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394
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395 elapsed = ngx_time() - r->start_time;
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396
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397 return ngx_sprintf(buf, "%T", elapsed);
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398 }
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399
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400
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401 static size_t
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402 ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data)
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403 {
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404 return r->request_line.len;
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405 }
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406
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407
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408 static u_char *
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409 ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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410 {
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411 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
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412 }
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413
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414
|
|
415 static u_char *
|
|
416 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
417 {
|
|
418 return ngx_sprintf(buf, "%ui",
|
|
419 r->err_status ? r->err_status : r->headers_out.status);
|
|
420 }
|
|
421
|
|
422
|
|
423 static u_char *
|
122
|
424 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
425 ngx_http_log_op_t *op)
|
118
|
426 {
|
|
427 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
428 }
|
|
429
|
|
430
|
|
431 static u_char *
|
122
|
432 ngx_http_log_apache_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
118
|
433 ngx_http_log_op_t *op)
|
|
434 {
|
|
435 off_t length;
|
|
436
|
|
437 length = r->connection->sent - r->header_size;
|
|
438
|
|
439 if (length > 0) {
|
|
440 return ngx_sprintf(buf, "%O", length);
|
|
441 }
|
|
442
|
|
443 *buf = '0';
|
|
444
|
|
445 return buf + 1;
|
|
446 }
|
|
447
|
|
448
|
|
449 static u_char *
|
|
450 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
451 ngx_http_log_op_t *op)
|
|
452 {
|
|
453 return ngx_sprintf(buf, "%z", r->request_length);
|
|
454 }
|
|
455
|
|
456
|
|
457 static ngx_int_t
|
|
458 ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
459 ngx_str_t *value)
|
|
460 {
|
|
461 ngx_uint_t i;
|
|
462
|
|
463 op->len = 0;
|
|
464
|
|
465 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
466
|
|
467 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
468 continue;
|
|
469 }
|
|
470
|
|
471 /* STUB: "Cookie" speacial handling */
|
|
472 if (ngx_http_headers_in[i].offset == 0) {
|
|
473 continue;
|
|
474 }
|
|
475
|
|
476 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
477 value->len) == 0)
|
|
478 {
|
|
479 op->getlen = ngx_http_log_header_in_getlen;
|
|
480 op->run = ngx_http_log_header_in;
|
|
481 op->data = ngx_http_headers_in[i].offset;
|
|
482
|
|
483 return NGX_OK;
|
|
484 }
|
|
485 }
|
|
486
|
|
487 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
488 op->run = ngx_http_log_unknown_header_in;
|
|
489 op->data = (uintptr_t) value;
|
|
490
|
|
491 return NGX_OK;
|
|
492 }
|
|
493
|
|
494
|
|
495 static size_t
|
|
496 ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
497 {
|
|
498 ngx_table_elt_t *h;
|
|
499
|
|
500 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
501
|
|
502 if (h) {
|
|
503 return h->value.len;
|
|
504 }
|
|
505
|
|
506 return 1;
|
|
507 }
|
|
508
|
|
509
|
|
510 static u_char *
|
|
511 ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
512 ngx_http_log_op_t *op)
|
|
513 {
|
|
514 ngx_table_elt_t *h;
|
|
515
|
|
516 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
517
|
|
518 if (h) {
|
|
519 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
520 }
|
|
521
|
|
522 *buf = '-';
|
|
523
|
|
524 return buf + 1;
|
|
525 }
|
|
526
|
|
527
|
|
528 static size_t
|
|
529 ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
530 {
|
|
531 ngx_table_elt_t *h;
|
|
532
|
|
533 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
534
|
|
535 if (h) {
|
|
536 return h->value.len;
|
|
537 }
|
|
538
|
|
539 return 1;
|
|
540 }
|
|
541
|
|
542
|
|
543 static u_char *
|
|
544 ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf,
|
|
545 ngx_http_log_op_t *op)
|
|
546 {
|
|
547 ngx_table_elt_t *h;
|
|
548
|
|
549 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
550 (ngx_str_t *) op->data);
|
|
551
|
|
552 if (h) {
|
|
553 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
554 }
|
|
555
|
|
556 *buf = '-';
|
|
557
|
|
558 return buf + 1;
|
|
559 }
|
|
560
|
|
561
|
|
562 static ngx_int_t
|
|
563 ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
564 ngx_str_t *value)
|
|
565 {
|
|
566 ngx_uint_t i;
|
|
567
|
|
568 op->len = 0;
|
|
569
|
|
570 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
571
|
|
572 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
573 continue;
|
|
574 }
|
|
575
|
|
576 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
577 value->len) == 0)
|
|
578 {
|
|
579 op->getlen = ngx_http_log_header_out_getlen;
|
|
580 op->run = ngx_http_log_header_out;
|
|
581 op->data = ngx_http_headers_out[i].offset;
|
|
582
|
|
583 return NGX_OK;
|
|
584 }
|
|
585 }
|
|
586
|
|
587 if (value->len == sizeof("Connection") - 1
|
|
588 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
589 {
|
|
590 op->len = sizeof("keep-alive") - 1;
|
|
591 op->getlen = NULL;
|
|
592 op->run = ngx_http_log_connection_header_out;
|
|
593 op->data = 0;
|
|
594 return NGX_OK;
|
|
595 }
|
|
596
|
|
597 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
598 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
599 {
|
|
600 op->len = sizeof("chunked") - 1;
|
|
601 op->getlen = NULL;
|
|
602 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
603 op->data = 0;
|
|
604 return NGX_OK;
|
|
605 }
|
|
606
|
|
607 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
608 op->run = ngx_http_log_unknown_header_out;
|
|
609 op->data = (uintptr_t) value;
|
|
610
|
|
611 return NGX_OK;
|
|
612 }
|
|
613
|
|
614
|
|
615 static size_t
|
|
616 ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
617 {
|
|
618 ngx_table_elt_t *h;
|
|
619
|
|
620 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
621
|
|
622 if (h) {
|
|
623 return h->value.len;
|
|
624 }
|
|
625
|
|
626 /*
|
|
627 * No header pointer was found.
|
|
628 * However, some headers: "Date", "Server", "Content-Length",
|
|
629 * and "Last-Modified" have a special handling in the header filter,
|
|
630 * but we do not set up their pointers in the filter,
|
|
631 * because they are too seldom needed to be logged.
|
|
632 */
|
|
633
|
|
634 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
635 return ngx_cached_http_time.len;
|
|
636 }
|
|
637
|
|
638 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
639 return (sizeof(NGINX_VER) - 1);
|
|
640 }
|
|
641
|
|
642 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
643 if (r->headers_out.content_length_n == -1) {
|
|
644 return 1;
|
|
645 }
|
|
646
|
|
647 return NGX_OFF_T_LEN;
|
|
648 }
|
|
649
|
|
650 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
651 if (r->headers_out.last_modified_time == -1) {
|
|
652 return 1;
|
|
653 }
|
|
654
|
|
655 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
656 }
|
|
657
|
|
658 return 1;
|
|
659 }
|
|
660
|
|
661
|
|
662 static u_char *
|
|
663 ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
664 ngx_http_log_op_t *op)
|
|
665 {
|
|
666 ngx_table_elt_t *h;
|
|
667
|
|
668 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
669
|
|
670 if (h) {
|
|
671 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
672 }
|
|
673
|
|
674 /*
|
|
675 * No header pointer was found.
|
|
676 * However, some headers: "Date", "Server", "Content-Length",
|
|
677 * and "Last-Modified" have a special handling in the header filter,
|
|
678 * but we do not set up their pointers in the filter,
|
|
679 * because they are too seldom needed to be logged.
|
|
680 */
|
|
681
|
|
682 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
683 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
684 ngx_cached_http_time.len);
|
|
685 }
|
|
686
|
|
687 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
688 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
689 }
|
|
690
|
|
691 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
692 if (r->headers_out.content_length_n == -1) {
|
|
693 *buf = '-';
|
|
694
|
|
695 return buf + 1;
|
|
696 }
|
|
697
|
|
698 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
699 }
|
|
700
|
|
701 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
702 if (r->headers_out.last_modified_time == -1) {
|
|
703 *buf = '-';
|
|
704
|
|
705 return buf + 1;
|
|
706 }
|
|
707
|
|
708 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
709 }
|
|
710
|
|
711 *buf = '-';
|
|
712
|
|
713 return buf + 1;
|
|
714 }
|
|
715
|
|
716
|
|
717 static size_t
|
|
718 ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
719 {
|
|
720 ngx_table_elt_t *h;
|
|
721
|
|
722 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
723 (ngx_str_t *) data);
|
|
724
|
|
725 if (h) {
|
|
726 return h->value.len;
|
|
727 }
|
|
728
|
|
729 return 1;
|
|
730 }
|
|
731
|
|
732
|
|
733 static u_char *
|
|
734 ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
735 ngx_http_log_op_t *op)
|
|
736 {
|
|
737 ngx_table_elt_t *h;
|
|
738
|
|
739 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
740 (ngx_str_t *) op->data);
|
|
741
|
|
742 if (h) {
|
|
743 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
744 }
|
|
745
|
|
746 *buf = '-';
|
|
747
|
|
748 return buf + 1;
|
|
749 }
|
|
750
|
|
751
|
|
752 static ngx_table_elt_t *
|
|
753 ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value)
|
|
754 {
|
|
755 ngx_uint_t i;
|
|
756 ngx_list_part_t *part;
|
|
757 ngx_table_elt_t *h;
|
|
758
|
|
759 part = &headers->part;
|
|
760 h = part->elts;
|
|
761
|
|
762 for (i = 0; /* void */; i++) {
|
|
763
|
|
764 if (i >= part->nelts) {
|
|
765 if (part->next == NULL) {
|
|
766 break;
|
|
767 }
|
|
768
|
|
769 part = part->next;
|
|
770 h = part->elts;
|
|
771 i = 0;
|
|
772 }
|
|
773
|
|
774 if (h[i].key.len != value->len) {
|
|
775 continue;
|
|
776 }
|
|
777
|
|
778 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
779 return &h[i];
|
|
780 }
|
|
781 }
|
|
782
|
|
783 return NULL;
|
|
784 }
|
|
785
|
|
786
|
|
787 static u_char *
|
|
788 ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf,
|
|
789 ngx_http_log_op_t *op)
|
|
790 {
|
|
791 if (r->keepalive) {
|
|
792 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
793
|
|
794 } else {
|
|
795 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
796 }
|
|
797 }
|
|
798
|
|
799
|
|
800 static u_char *
|
|
801 ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf,
|
|
802 ngx_http_log_op_t *op)
|
|
803 {
|
|
804 if (r->chunked) {
|
|
805 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
806 }
|
|
807
|
|
808 *buf = '-';
|
|
809
|
|
810 return buf + 1;
|
|
811 }
|
|
812
|
|
813
|
|
814 static ngx_int_t
|
|
815 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
816 ngx_str_t *value)
|
|
817 {
|
|
818 ngx_int_t index;
|
|
819
|
|
820 index = ngx_http_get_variable_index(cf, value);
|
|
821 if (index == NGX_ERROR) {
|
|
822 return NGX_ERROR;
|
|
823 }
|
|
824
|
|
825 op->len = 0;
|
|
826 op->getlen = ngx_http_log_variable_getlen;
|
|
827 op->run = ngx_http_log_variable;
|
|
828 op->data = index;
|
|
829
|
|
830 return NGX_OK;
|
|
831 }
|
|
832
|
|
833
|
|
834 static size_t
|
|
835 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
836 {
|
|
837 ngx_http_variable_value_t *value;
|
|
838
|
|
839 value = ngx_http_get_indexed_variable(r, data);
|
|
840
|
122
|
841 if (value == NULL || value->not_found) {
|
118
|
842 return 1;
|
|
843 }
|
|
844
|
122
|
845 return value->len;
|
118
|
846 }
|
|
847
|
|
848
|
|
849 static u_char *
|
|
850 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
851 {
|
|
852 ngx_http_variable_value_t *value;
|
|
853
|
|
854 value = ngx_http_get_indexed_variable(r, op->data);
|
|
855
|
122
|
856 if (value == NULL || value->not_found) {
|
118
|
857 *buf = '-';
|
|
858 return buf + 1;
|
|
859 }
|
|
860
|
122
|
861 return ngx_cpymem(buf, value->data, value->len);
|
118
|
862 }
|
|
863
|
|
864
|
|
865 static ngx_int_t
|
|
866 ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
867 {
|
|
868 ngx_http_log_op_name_t *op;
|
|
869
|
|
870 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
871 op->run = NULL;
|
|
872
|
|
873 return NGX_OK;
|
|
874 }
|
|
875
|
|
876
|
|
877 static void *
|
|
878 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
879 {
|
|
880 ngx_http_log_main_conf_t *conf;
|
|
881
|
122
|
882 ngx_http_log_fmt_t *fmt;
|
118
|
883
|
|
884 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
885 if (conf == NULL) {
|
|
886 return NGX_CONF_ERROR;
|
|
887 }
|
|
888
|
|
889 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
122
|
890 != NGX_OK)
|
118
|
891 {
|
|
892 return NGX_CONF_ERROR;
|
|
893 }
|
|
894
|
122
|
895 fmt = ngx_array_push(&conf->formats);
|
|
896 if (fmt == NULL) {
|
118
|
897 return NGX_CONF_ERROR;
|
|
898 }
|
|
899
|
122
|
900 fmt->name.len = sizeof("combined") - 1;
|
|
901 fmt->name.data = (u_char *) "combined";
|
118
|
902
|
122
|
903 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
904 if (fmt->ops == NULL) {
|
118
|
905 return NGX_CONF_ERROR;
|
|
906 }
|
|
907
|
|
908 return conf;
|
|
909 }
|
|
910
|
|
911
|
|
912 static void *
|
|
913 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
914 {
|
|
915 ngx_http_log_loc_conf_t *conf;
|
|
916
|
|
917 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
918 if (conf == NULL) {
|
|
919 return NGX_CONF_ERROR;
|
|
920 }
|
|
921
|
|
922 return conf;
|
|
923 }
|
|
924
|
|
925
|
|
926 static char *
|
|
927 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
928 {
|
|
929 ngx_http_log_loc_conf_t *prev = parent;
|
|
930 ngx_http_log_loc_conf_t *conf = child;
|
|
931
|
|
932 ngx_http_log_t *log;
|
|
933 ngx_http_log_fmt_t *fmt;
|
|
934 ngx_http_log_main_conf_t *lmcf;
|
|
935
|
|
936 if (conf->logs == NULL) {
|
|
937
|
|
938 if (conf->off) {
|
|
939 return NGX_CONF_OK;
|
|
940 }
|
|
941
|
|
942 if (prev->logs) {
|
|
943 conf->logs = prev->logs;
|
|
944
|
|
945 } else {
|
|
946
|
|
947 if (prev->off) {
|
|
948 conf->off = prev->off;
|
|
949 return NGX_CONF_OK;
|
|
950 }
|
|
951
|
|
952 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
953 if (conf->logs == NULL) {
|
|
954 return NGX_CONF_ERROR;
|
|
955 }
|
|
956
|
|
957 log = ngx_array_push(conf->logs);
|
|
958 if (log == NULL) {
|
|
959 return NGX_CONF_ERROR;
|
|
960 }
|
|
961
|
|
962 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
963 if (log->file == NULL) {
|
|
964 return NGX_CONF_ERROR;
|
|
965 }
|
|
966
|
|
967 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
968 fmt = lmcf->formats.elts;
|
|
969
|
|
970 /* the default "combined" format */
|
|
971 log->ops = fmt[0].ops;
|
122
|
972 lmcf->combined_used = 1;
|
118
|
973 }
|
|
974 }
|
|
975
|
|
976 return NGX_CONF_OK;
|
|
977 }
|
|
978
|
|
979
|
|
980 static char *
|
|
981 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
982 {
|
|
983 ngx_http_log_loc_conf_t *llcf = conf;
|
|
984
|
120
|
985 ssize_t buf;
|
118
|
986 ngx_uint_t i;
|
|
987 ngx_str_t *value, name;
|
|
988 ngx_http_log_t *log;
|
|
989 ngx_http_log_fmt_t *fmt;
|
|
990 ngx_http_log_main_conf_t *lmcf;
|
|
991
|
|
992 value = cf->args->elts;
|
|
993
|
|
994 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
995 llcf->off = 1;
|
|
996 return NGX_CONF_OK;
|
|
997 }
|
|
998
|
|
999 if (llcf->logs == NULL) {
|
|
1000 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
1001 if (llcf->logs == NULL) {
|
|
1002 return NGX_CONF_ERROR;
|
|
1003 }
|
|
1004 }
|
|
1005
|
|
1006 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
1007
|
|
1008 log = ngx_array_push(llcf->logs);
|
|
1009 if (log == NULL) {
|
|
1010 return NGX_CONF_ERROR;
|
|
1011 }
|
|
1012
|
|
1013 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
1014 if (log->file == NULL) {
|
|
1015 return NGX_CONF_ERROR;
|
|
1016 }
|
|
1017
|
120
|
1018 if (cf->args->nelts >= 3) {
|
118
|
1019 name = value[2];
|
|
1020 } else {
|
|
1021 name.len = sizeof("combined") - 1;
|
|
1022 name.data = (u_char *) "combined";
|
122
|
1023 lmcf->combined_used = 1;
|
118
|
1024 }
|
|
1025
|
|
1026 fmt = lmcf->formats.elts;
|
|
1027 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
1028 if (fmt[i].name.len == name.len
|
|
1029 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
1030 {
|
|
1031 log->ops = fmt[i].ops;
|
120
|
1032 goto buffer;
|
118
|
1033 }
|
|
1034 }
|
|
1035
|
|
1036 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1037 "unknown log format \"%V\"", &name);
|
120
|
1038 return NGX_CONF_ERROR;
|
118
|
1039
|
120
|
1040 buffer:
|
|
1041
|
|
1042 if (cf->args->nelts == 4) {
|
|
1043 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
1044 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1045 "invalid parameter \"%V\"", &value[3]);
|
|
1046 return NGX_CONF_ERROR;
|
|
1047 }
|
|
1048
|
|
1049 name.len = value[3].len - 7;
|
|
1050 name.data = value[3].data + 7;
|
|
1051
|
|
1052 buf = ngx_parse_size(&name);
|
|
1053
|
|
1054 if (buf == NGX_ERROR) {
|
|
1055 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1056 "invalid parameter \"%V\"", &value[3]);
|
|
1057 return NGX_CONF_ERROR;
|
|
1058 }
|
|
1059
|
|
1060 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
1061 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1062 "access_log \"%V\" already defined "
|
|
1063 "with different buffer size", &value[1]);
|
|
1064 return NGX_CONF_ERROR;
|
|
1065 }
|
|
1066
|
|
1067 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
1068 if (log->file->buffer == NULL) {
|
|
1069 return NGX_CONF_ERROR;
|
|
1070 }
|
|
1071
|
|
1072 log->file->pos = log->file->buffer;
|
|
1073 log->file->last = log->file->buffer + buf;
|
|
1074 }
|
|
1075
|
|
1076 return NGX_CONF_OK;
|
118
|
1077 }
|
|
1078
|
|
1079
|
|
1080 static char *
|
|
1081 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
1082 {
|
|
1083 ngx_http_log_main_conf_t *lmcf = conf;
|
|
1084
|
122
|
1085 ngx_str_t *value;
|
|
1086 ngx_uint_t i;
|
|
1087 ngx_http_log_fmt_t *fmt;
|
118
|
1088
|
|
1089 value = cf->args->elts;
|
|
1090
|
|
1091 fmt = lmcf->formats.elts;
|
122
|
1092 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
1093 if (fmt[i].name.len == value[1].len
|
|
1094 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
118
|
1095 {
|
|
1096 return "duplicate \"log_format\" name";
|
|
1097 }
|
|
1098 }
|
|
1099
|
|
1100 fmt = ngx_array_push(&lmcf->formats);
|
|
1101 if (fmt == NULL) {
|
|
1102 return NGX_CONF_ERROR;
|
|
1103 }
|
|
1104
|
|
1105 fmt->name = value[1];
|
|
1106
|
122
|
1107 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
118
|
1108 if (fmt->ops == NULL) {
|
|
1109 return NGX_CONF_ERROR;
|
|
1110 }
|
|
1111
|
122
|
1112 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
1113 }
|
|
1114
|
118
|
1115
|
122
|
1116 static char *
|
|
1117 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
1118 ngx_array_t *args, ngx_uint_t s)
|
|
1119 {
|
|
1120 u_char *data, *p, *fname, *arg_data, ch;
|
|
1121 size_t i, len, fname_len, arg_len;
|
|
1122 ngx_str_t *value, var, *a;
|
|
1123 ngx_uint_t bracket;
|
|
1124 ngx_http_log_op_t *op;
|
|
1125 ngx_http_log_var_t *v;
|
|
1126 ngx_http_log_op_name_t *name;
|
|
1127 static ngx_uint_t warn;
|
|
1128
|
|
1129 value = args->elts;
|
|
1130 arg_data = NULL;
|
|
1131
|
|
1132 for ( /* void */ ; s < args->nelts; s++) {
|
118
|
1133
|
|
1134 i = 0;
|
|
1135
|
|
1136 while (i < value[s].len) {
|
|
1137
|
122
|
1138 op = ngx_array_push(ops);
|
118
|
1139 if (op == NULL) {
|
|
1140 return NGX_CONF_ERROR;
|
|
1141 }
|
|
1142
|
|
1143 data = &value[s].data[i];
|
|
1144
|
|
1145 if (value[s].data[i] == '%') {
|
|
1146 i++;
|
|
1147
|
|
1148 if (i == value[s].len) {
|
|
1149 goto invalid;
|
|
1150 }
|
|
1151
|
|
1152 if (value[s].data[i] == '{') {
|
|
1153 i++;
|
|
1154
|
122
|
1155 arg_data = &value[s].data[i];
|
118
|
1156
|
|
1157 while (i < value[s].len && value[s].data[i] != '}') {
|
|
1158 i++;
|
|
1159 }
|
|
1160
|
122
|
1161 arg_len = &value[s].data[i] - arg_data;
|
118
|
1162
|
122
|
1163 if (i == value[s].len || arg_len == 0) {
|
118
|
1164 goto invalid;
|
|
1165 }
|
|
1166
|
|
1167 i++;
|
|
1168
|
|
1169 } else {
|
122
|
1170 arg_len = 0;
|
|
1171 }
|
|
1172
|
|
1173 if (warn == 0) {
|
|
1174 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
1175 "the parameters in the \"%%name\" form are deprecated, "
|
|
1176 "use the \"$variable\" instead");
|
|
1177 warn = 1;
|
118
|
1178 }
|
|
1179
|
|
1180 fname = &value[s].data[i];
|
|
1181
|
|
1182 while (i < value[s].len
|
|
1183 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
1184 || value[s].data[i] == '_'))
|
|
1185 {
|
|
1186 i++;
|
|
1187 }
|
|
1188
|
|
1189 fname_len = &value[s].data[i] - fname;
|
|
1190
|
|
1191 if (fname_len == 0) {
|
|
1192 goto invalid;
|
|
1193 }
|
|
1194
|
|
1195 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
1196 if (name->name.len == 0) {
|
|
1197 name = (ngx_http_log_op_name_t *) name->run;
|
|
1198 }
|
|
1199
|
|
1200 if (name->name.len == fname_len
|
|
1201 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
1202 {
|
|
1203 if (name->compile == NULL) {
|
122
|
1204 if (arg_len) {
|
118
|
1205 fname[fname_len] = '\0';
|
|
1206 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1207 "\"%s\" must not have argument",
|
|
1208 data);
|
|
1209 return NGX_CONF_ERROR;
|
|
1210 }
|
|
1211
|
|
1212 op->len = name->len;
|
|
1213 op->getlen = name->getlen;
|
|
1214 op->run = name->run;
|
|
1215 op->data = 0;
|
|
1216
|
|
1217 break;
|
|
1218 }
|
|
1219
|
122
|
1220 if (arg_len == 0) {
|
118
|
1221 fname[fname_len] = '\0';
|
|
1222 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1223 "\"%s\" requires argument",
|
|
1224 data);
|
|
1225 return NGX_CONF_ERROR;
|
|
1226 }
|
|
1227
|
|
1228 a = ngx_palloc(cf->pool, sizeof(ngx_str_t));
|
|
1229 if (a == NULL) {
|
|
1230 return NGX_CONF_ERROR;
|
|
1231 }
|
|
1232
|
122
|
1233 a->len = arg_len;
|
|
1234 a->data = arg_data;
|
|
1235
|
118
|
1236 if (name->compile(cf, op, a) == NGX_ERROR) {
|
|
1237 return NGX_CONF_ERROR;
|
|
1238 }
|
|
1239
|
|
1240 break;
|
|
1241 }
|
|
1242 }
|
|
1243
|
|
1244 if (name->name.len == 0) {
|
|
1245 goto invalid;
|
|
1246 }
|
|
1247
|
122
|
1248 continue;
|
|
1249
|
118
|
1250 } else if (value[s].data[i] == '$') {
|
|
1251
|
|
1252 if (++i == value[s].len) {
|
|
1253 goto invalid;
|
|
1254 }
|
|
1255
|
|
1256 if (value[s].data[i] == '{') {
|
|
1257 bracket = 1;
|
|
1258
|
|
1259 if (++i == value[s].len) {
|
|
1260 goto invalid;
|
|
1261 }
|
|
1262
|
|
1263 var.data = &value[s].data[i];
|
|
1264
|
|
1265 } else {
|
|
1266 bracket = 0;
|
|
1267 var.data = &value[s].data[i];
|
|
1268 }
|
|
1269
|
|
1270 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
1271 ch = value[s].data[i];
|
|
1272
|
|
1273 if (ch == '}' && bracket) {
|
|
1274 i++;
|
|
1275 bracket = 0;
|
|
1276 break;
|
|
1277 }
|
|
1278
|
|
1279 if ((ch >= 'A' && ch <= 'Z')
|
|
1280 || (ch >= 'a' && ch <= 'z')
|
|
1281 || (ch >= '0' && ch <= '9')
|
|
1282 || ch == '_')
|
|
1283 {
|
|
1284 continue;
|
|
1285 }
|
|
1286
|
|
1287 break;
|
|
1288 }
|
|
1289
|
|
1290 if (bracket) {
|
|
1291 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
1292 "the closing bracket in \"%V\" "
|
|
1293 "variable is missing", &var);
|
|
1294 return NGX_CONF_ERROR;
|
|
1295 }
|
|
1296
|
|
1297 if (var.len == 0) {
|
|
1298 goto invalid;
|
|
1299 }
|
|
1300
|
122
|
1301 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
1302
|
|
1303 if (v->name.len == var.len
|
|
1304 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
1305 {
|
|
1306 op->len = v->len;
|
|
1307 op->getlen = NULL;
|
|
1308 op->run = v->run;
|
|
1309 op->data = 0;
|
|
1310
|
|
1311 goto found;
|
|
1312 }
|
|
1313 }
|
|
1314
|
118
|
1315 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
1316 return NGX_CONF_ERROR;
|
|
1317 }
|
|
1318
|
122
|
1319 found:
|
|
1320
|
|
1321 continue;
|
|
1322 }
|
|
1323
|
|
1324 i++;
|
118
|
1325
|
122
|
1326 while (i < value[s].len
|
|
1327 && value[s].data[i] != '$'
|
|
1328 && value[s].data[i] != '%')
|
|
1329 {
|
|
1330 i++;
|
|
1331 }
|
118
|
1332
|
122
|
1333 len = &value[s].data[i] - data;
|
118
|
1334
|
122
|
1335 if (len) {
|
118
|
1336
|
122
|
1337 op->len = len;
|
|
1338 op->getlen = NULL;
|
118
|
1339
|
122
|
1340 if (len <= sizeof(uintptr_t)) {
|
|
1341 op->run = ngx_http_log_copy_short;
|
|
1342 op->data = 0;
|
118
|
1343
|
122
|
1344 while (len--) {
|
|
1345 op->data <<= 8;
|
|
1346 op->data |= data[len];
|
|
1347 }
|
|
1348
|
|
1349 } else {
|
|
1350 op->run = ngx_http_log_copy_long;
|
118
|
1351
|
122
|
1352 p = ngx_palloc(cf->pool, len);
|
|
1353 if (p == NULL) {
|
|
1354 return NGX_CONF_ERROR;
|
|
1355 }
|
118
|
1356
|
122
|
1357 ngx_memcpy(p, data, len);
|
|
1358 op->data = (uintptr_t) p;
|
118
|
1359 }
|
|
1360 }
|
|
1361 }
|
|
1362 }
|
|
1363
|
|
1364 return NGX_CONF_OK;
|
|
1365
|
|
1366 invalid:
|
|
1367
|
|
1368 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
1369
|
|
1370 return NGX_CONF_ERROR;
|
|
1371 }
|
|
1372
|
|
1373
|
|
1374 static ngx_int_t
|
122
|
1375 ngx_http_log_init(ngx_conf_t *cf)
|
118
|
1376 {
|
122
|
1377 ngx_str_t *value;
|
|
1378 ngx_array_t a;
|
|
1379 ngx_http_log_fmt_t *fmt;
|
|
1380 ngx_http_log_main_conf_t *lmcf;
|
118
|
1381 ngx_http_core_main_conf_t *cmcf;
|
|
1382
|
122
|
1383 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
1384
|
|
1385 if (lmcf->combined_used) {
|
|
1386 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
1387 return NGX_ERROR;
|
|
1388 }
|
|
1389
|
|
1390 value = ngx_array_push(&a);
|
|
1391 if (value == NULL) {
|
|
1392 return NGX_ERROR;
|
|
1393 }
|
|
1394
|
|
1395 *value = ngx_http_combined_fmt;
|
|
1396 fmt = lmcf->formats.elts;
|
|
1397
|
|
1398 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
1399 != NGX_CONF_OK)
|
|
1400 {
|
|
1401 return NGX_ERROR;
|
|
1402 }
|
|
1403 }
|
|
1404
|
|
1405 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
118
|
1406
|
|
1407 cmcf->log_handler = ngx_http_log_handler;
|
|
1408
|
|
1409 return NGX_OK;
|
|
1410 }
|