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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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260
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13 typedef struct ngx_http_log_op_s ngx_http_log_op_t;
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14
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15 typedef u_char *(*ngx_http_log_op_run_pt) (ngx_http_request_t *r, u_char *buf,
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16 ngx_http_log_op_t *op);
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17
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18 typedef size_t (*ngx_http_log_op_getlen_pt) (ngx_http_request_t *r,
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19 uintptr_t data);
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20
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21
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22 struct ngx_http_log_op_s {
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23 size_t len;
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24 ngx_http_log_op_getlen_pt getlen;
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25 ngx_http_log_op_run_pt run;
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26 uintptr_t data;
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27 };
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28
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122
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29
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30 typedef struct {
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31 ngx_str_t name;
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32 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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33 } ngx_http_log_fmt_t;
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34
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206
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35
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122
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36 typedef struct {
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37 ngx_array_t formats; /* array of ngx_http_log_fmt_t */
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38 ngx_uint_t combined_used; /* unsigned combined_used:1 */
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39 } ngx_http_log_main_conf_t;
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40
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206
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41
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122
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42 typedef struct {
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43 ngx_open_file_t *file;
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182
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44 time_t disk_full_time;
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278
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45 time_t error_log_time;
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122
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46 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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47 } ngx_http_log_t;
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48
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206
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49
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122
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50 typedef struct {
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51 ngx_array_t *logs; /* array of ngx_http_log_t */
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52 ngx_uint_t off; /* unsigned off:1 */
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53 } ngx_http_log_loc_conf_t;
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54
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55
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56 typedef struct {
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57 ngx_str_t name;
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58 size_t len;
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59 ngx_http_log_op_run_pt run;
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60 } ngx_http_log_var_t;
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61
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62
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278
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63 static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log,
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64 u_char *buf, size_t len);
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65
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118
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66 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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67 ngx_http_log_op_t *op);
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68 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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69 ngx_http_log_op_t *op);
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70 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
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71 ngx_http_log_op_t *op);
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72 static u_char *ngx_http_log_msec(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 u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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75 ngx_http_log_op_t *op);
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76 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
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77 ngx_http_log_op_t *op);
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122
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78 static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
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118
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79 ngx_http_log_op_t *op);
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126
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80 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r,
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122
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81 u_char *buf, ngx_http_log_op_t *op);
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118
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82 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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83 ngx_http_log_op_t *op);
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84
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85 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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86 ngx_http_log_op_t *op, ngx_str_t *value);
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87 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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88 uintptr_t data);
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89 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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90 ngx_http_log_op_t *op);
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91
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92
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93 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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94 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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95 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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96 void *child);
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97 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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98 void *conf);
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99 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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100 void *conf);
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122
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101 static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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102 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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103 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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118
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104
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105
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106 static ngx_command_t ngx_http_log_commands[] = {
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107
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108 { ngx_string("log_format"),
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109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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110 ngx_http_log_set_format,
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111 NGX_HTTP_MAIN_CONF_OFFSET,
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112 0,
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113 NULL },
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114
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115 { ngx_string("access_log"),
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194
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116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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117 |NGX_CONF_TAKE123,
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118
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118 ngx_http_log_set_log,
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119 NGX_HTTP_LOC_CONF_OFFSET,
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120 0,
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121 NULL },
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122
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123 ngx_null_command
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124 };
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125
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126
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216
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127 static ngx_http_module_t ngx_http_log_module_ctx = {
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260
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128 NULL, /* preconfiguration */
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122
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129 ngx_http_log_init, /* postconfiguration */
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118
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130
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131 ngx_http_log_create_main_conf, /* create main configuration */
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132 NULL, /* init main configuration */
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133
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134 NULL, /* create server configuration */
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135 NULL, /* merge server configuration */
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136
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137 ngx_http_log_create_loc_conf, /* create location configration */
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138 ngx_http_log_merge_loc_conf /* merge location configration */
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139 };
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140
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141
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142 ngx_module_t ngx_http_log_module = {
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143 NGX_MODULE_V1,
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144 &ngx_http_log_module_ctx, /* module context */
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145 ngx_http_log_commands, /* module directives */
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146 NGX_HTTP_MODULE, /* module type */
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147 NULL, /* init master */
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122
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148 NULL, /* init module */
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118
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149 NULL, /* init process */
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150 NULL, /* init thread */
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151 NULL, /* exit thread */
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152 NULL, /* exit process */
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153 NULL, /* exit master */
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154 NGX_MODULE_V1_PADDING
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155 };
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156
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157
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278
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158 static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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122
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159
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160
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161 static ngx_str_t ngx_http_combined_fmt =
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130
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162 ngx_string("$remote_addr - $remote_user [$time_local] "
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126
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163 "\"$request\" $status $body_bytes_sent "
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122
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164 "\"$http_referer\" \"$http_user_agent\"");
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118
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165
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166
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122
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167 static ngx_http_log_var_t ngx_http_log_vars[] = {
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168 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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169 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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130
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170 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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122
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171 ngx_http_log_time },
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172 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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173 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time },
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174 { ngx_string("status"), 3, ngx_http_log_status },
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175 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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126
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176 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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177 ngx_http_log_body_bytes_sent },
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122
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178 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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126
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179 ngx_http_log_body_bytes_sent },
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122
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180 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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181 ngx_http_log_request_length },
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182
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183 { ngx_null_string, 0, NULL }
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184 };
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118
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185
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186
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187 ngx_int_t
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188 ngx_http_log_handler(ngx_http_request_t *r)
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189 {
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190 u_char *line, *p;
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191 size_t len;
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278
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192 ngx_uint_t i, l;
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118
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193 ngx_http_log_t *log;
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120
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194 ngx_open_file_t *file;
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118
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195 ngx_http_log_op_t *op;
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196 ngx_http_log_loc_conf_t *lcf;
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197
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198 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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199 "http log handler");
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200
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201 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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202
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203 if (lcf->off) {
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204 return NGX_OK;
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205 }
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206
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207 log = lcf->logs->elts;
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208 for (l = 0; l < lcf->logs->nelts; l++) {
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209
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182
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210 if (ngx_time() == log[l].disk_full_time) {
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211
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212 /*
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278
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213 * on FreeBSD writing to a full filesystem with enabled softupdates
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182
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214 * may block process for much longer time than writing to non-full
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278
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215 * filesystem, so we skip writing to a log for one second
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182
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216 */
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217
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218 continue;
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219 }
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220
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118
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221 len = 0;
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222 op = log[l].ops->elts;
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223 for (i = 0; i < log[l].ops->nelts; i++) {
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224 if (op[i].len == 0) {
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225 len += op[i].getlen(r, op[i].data);
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226
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227 } else {
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228 len += op[i].len;
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229 }
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230 }
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231
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120
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232 len += NGX_LINEFEED_SIZE;
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233
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234 file = log[l].file;
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235
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236 if (file->buffer) {
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237
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238 if (len > (size_t) (file->last - file->pos)) {
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239
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278
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240 ngx_http_log_write(r, &log[l], file->buffer,
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241 file->pos - file->buffer);
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120
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242
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243 file->pos = file->buffer;
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244 }
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245
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246 if (len <= (size_t) (file->last - file->pos)) {
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247
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248 p = file->pos;
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249
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250 for (i = 0; i < log[l].ops->nelts; i++) {
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251 p = op[i].run(r, p, &op[i]);
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252 }
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253
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254 ngx_linefeed(p);
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255
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256 file->pos = p;
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257
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258 continue;
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259 }
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260 }
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118
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261
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262 line = ngx_palloc(r->pool, len);
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263 if (line == NULL) {
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264 return NGX_ERROR;
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265 }
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266
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267 p = line;
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268
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269 for (i = 0; i < log[l].ops->nelts; i++) {
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270 p = op[i].run(r, p, &op[i]);
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271 }
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272
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120
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273 ngx_linefeed(p);
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274
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278
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275 ngx_http_log_write(r, &log[l], line, p - line);
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118
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276 }
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277
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278 return NGX_OK;
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279 }
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280
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281
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278
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282 static void
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283 ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf,
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284 size_t len)
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285 {
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286 time_t now;
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287 ssize_t n;
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288 ngx_err_t err;
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289
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290 n = ngx_write_fd(log->file->fd, buf, len);
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291
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292 if (n == (ssize_t) len) {
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293 return;
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294 }
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295
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296 now = ngx_time();
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297
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298 if (n == -1) {
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299 err = ngx_errno;
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300
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301 if (err == NGX_ENOSPC) {
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302 log->disk_full_time = now;
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303 }
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304
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296
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305 if (now - log->error_log_time > 59) {
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278
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306 ngx_log_error(NGX_LOG_ALERT, r->connection->log, err,
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307 ngx_write_fd_n " to \"%V\" failed",
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308 &log->file->name);
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309
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310 log->error_log_time = now;
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311 }
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312
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313 return;
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314 }
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315
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296
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316 if (now - log->error_log_time > 59) {
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278
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317 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
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318 ngx_write_fd_n " to \"%V\" was incomplete: %z of %uz",
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319 &log->file->name, n, len);
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320
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321 log->error_log_time = now;
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322 }
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323 }
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324
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325
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118
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326 static u_char *
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327 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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328 ngx_http_log_op_t *op)
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329 {
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330 size_t len;
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331 uintptr_t data;
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332
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333 len = op->len;
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334 data = op->data;
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335
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336 while (len--) {
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337 *buf++ = (u_char) (data & 0xff);
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338 data >>= 8;
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339 }
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340
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341 return buf;
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342 }
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343
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344
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345 static u_char *
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346 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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347 ngx_http_log_op_t *op)
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348 {
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349 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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350 }
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351
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352
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353 static u_char *
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354 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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355 ngx_http_log_op_t *op)
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356 {
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357 return ngx_sprintf(buf, "%ui", r->connection->number);
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358 }
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359
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360
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361 static u_char *
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362 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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363 {
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364 if (r->pipeline) {
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365 *buf = 'p';
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366 } else {
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367 *buf = '.';
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368 }
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369
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370 return buf + 1;
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371 }
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372
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373
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374 static u_char *
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375 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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376 {
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377 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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378 ngx_cached_http_log_time.len);
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379 }
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380
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|
|
381
|
|
|
382 static u_char *
|
|
|
383 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
384 {
|
|
|
385 ngx_time_t *tp;
|
|
|
386
|
|
|
387 tp = ngx_timeofday();
|
|
|
388
|
|
|
389 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
|
|
|
390 }
|
|
|
391
|
|
|
392
|
|
|
393 static u_char *
|
|
|
394 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
395 ngx_http_log_op_t *op)
|
|
|
396 {
|
|
|
397 time_t elapsed;
|
|
|
398
|
|
|
399 elapsed = ngx_time() - r->start_time;
|
|
|
400
|
|
|
401 return ngx_sprintf(buf, "%T", elapsed);
|
|
|
402 }
|
|
|
403
|
|
|
404
|
|
|
405 static u_char *
|
|
|
406 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
407 {
|
|
|
408 return ngx_sprintf(buf, "%ui",
|
|
|
409 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
410 }
|
|
|
411
|
|
|
412
|
|
|
413 static u_char *
|
|
122
|
414 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
|
415 ngx_http_log_op_t *op)
|
|
118
|
416 {
|
|
|
417 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
418 }
|
|
|
419
|
|
|
420
|
|
|
421 static u_char *
|
|
126
|
422 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
118
|
423 ngx_http_log_op_t *op)
|
|
|
424 {
|
|
|
425 off_t length;
|
|
|
426
|
|
|
427 length = r->connection->sent - r->header_size;
|
|
|
428
|
|
|
429 if (length > 0) {
|
|
|
430 return ngx_sprintf(buf, "%O", length);
|
|
|
431 }
|
|
|
432
|
|
|
433 *buf = '0';
|
|
|
434
|
|
|
435 return buf + 1;
|
|
|
436 }
|
|
|
437
|
|
|
438
|
|
|
439 static u_char *
|
|
|
440 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
441 ngx_http_log_op_t *op)
|
|
|
442 {
|
|
212
|
443 return ngx_sprintf(buf, "%O", r->request_length);
|
|
118
|
444 }
|
|
|
445
|
|
|
446
|
|
|
447 static ngx_int_t
|
|
|
448 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
449 ngx_str_t *value)
|
|
|
450 {
|
|
|
451 ngx_int_t index;
|
|
|
452
|
|
|
453 index = ngx_http_get_variable_index(cf, value);
|
|
|
454 if (index == NGX_ERROR) {
|
|
|
455 return NGX_ERROR;
|
|
|
456 }
|
|
|
457
|
|
|
458 op->len = 0;
|
|
|
459 op->getlen = ngx_http_log_variable_getlen;
|
|
|
460 op->run = ngx_http_log_variable;
|
|
|
461 op->data = index;
|
|
|
462
|
|
|
463 return NGX_OK;
|
|
|
464 }
|
|
|
465
|
|
|
466
|
|
|
467 static size_t
|
|
|
468 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
469 {
|
|
|
470 ngx_http_variable_value_t *value;
|
|
|
471
|
|
|
472 value = ngx_http_get_indexed_variable(r, data);
|
|
|
473
|
|
122
|
474 if (value == NULL || value->not_found) {
|
|
118
|
475 return 1;
|
|
|
476 }
|
|
|
477
|
|
122
|
478 return value->len;
|
|
118
|
479 }
|
|
|
480
|
|
|
481
|
|
|
482 static u_char *
|
|
|
483 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
484 {
|
|
|
485 ngx_http_variable_value_t *value;
|
|
|
486
|
|
|
487 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
488
|
|
122
|
489 if (value == NULL || value->not_found) {
|
|
118
|
490 *buf = '-';
|
|
|
491 return buf + 1;
|
|
|
492 }
|
|
|
493
|
|
122
|
494 return ngx_cpymem(buf, value->data, value->len);
|
|
118
|
495 }
|
|
|
496
|
|
|
497
|
|
|
498 static void *
|
|
|
499 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
500 {
|
|
|
501 ngx_http_log_main_conf_t *conf;
|
|
|
502
|
|
122
|
503 ngx_http_log_fmt_t *fmt;
|
|
118
|
504
|
|
|
505 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
506 if (conf == NULL) {
|
|
|
507 return NGX_CONF_ERROR;
|
|
|
508 }
|
|
|
509
|
|
|
510 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
122
|
511 != NGX_OK)
|
|
118
|
512 {
|
|
|
513 return NGX_CONF_ERROR;
|
|
|
514 }
|
|
|
515
|
|
122
|
516 fmt = ngx_array_push(&conf->formats);
|
|
|
517 if (fmt == NULL) {
|
|
118
|
518 return NGX_CONF_ERROR;
|
|
|
519 }
|
|
|
520
|
|
122
|
521 fmt->name.len = sizeof("combined") - 1;
|
|
|
522 fmt->name.data = (u_char *) "combined";
|
|
118
|
523
|
|
122
|
524 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
|
525 if (fmt->ops == NULL) {
|
|
118
|
526 return NGX_CONF_ERROR;
|
|
|
527 }
|
|
|
528
|
|
|
529 return conf;
|
|
|
530 }
|
|
|
531
|
|
|
532
|
|
|
533 static void *
|
|
|
534 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
535 {
|
|
|
536 ngx_http_log_loc_conf_t *conf;
|
|
|
537
|
|
|
538 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
539 if (conf == NULL) {
|
|
|
540 return NGX_CONF_ERROR;
|
|
|
541 }
|
|
|
542
|
|
|
543 return conf;
|
|
|
544 }
|
|
|
545
|
|
|
546
|
|
|
547 static char *
|
|
|
548 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
549 {
|
|
|
550 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
551 ngx_http_log_loc_conf_t *conf = child;
|
|
|
552
|
|
|
553 ngx_http_log_t *log;
|
|
|
554 ngx_http_log_fmt_t *fmt;
|
|
|
555 ngx_http_log_main_conf_t *lmcf;
|
|
|
556
|
|
278
|
557 if (conf->logs || conf->off) {
|
|
|
558 return NGX_CONF_OK;
|
|
|
559 }
|
|
118
|
560
|
|
278
|
561 *conf = *prev;
|
|
118
|
562
|
|
278
|
563 if (conf->logs || conf->off) {
|
|
|
564 return NGX_CONF_OK;
|
|
|
565 }
|
|
118
|
566
|
|
278
|
567 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
568 if (conf->logs == NULL) {
|
|
|
569 return NGX_CONF_ERROR;
|
|
|
570 }
|
|
118
|
571
|
|
278
|
572 log = ngx_array_push(conf->logs);
|
|
|
573 if (log == NULL) {
|
|
|
574 return NGX_CONF_ERROR;
|
|
|
575 }
|
|
118
|
576
|
|
278
|
577 log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log);
|
|
|
578 if (log->file == NULL) {
|
|
|
579 return NGX_CONF_ERROR;
|
|
|
580 }
|
|
118
|
581
|
|
278
|
582 log->disk_full_time = 0;
|
|
|
583 log->error_log_time = 0;
|
|
118
|
584
|
|
278
|
585 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
586 fmt = lmcf->formats.elts;
|
|
|
587
|
|
|
588 /* the default "combined" format */
|
|
|
589 log->ops = fmt[0].ops;
|
|
|
590 lmcf->combined_used = 1;
|
|
118
|
591
|
|
|
592 return NGX_CONF_OK;
|
|
|
593 }
|
|
|
594
|
|
|
595
|
|
|
596 static char *
|
|
|
597 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
598 {
|
|
|
599 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
600
|
|
120
|
601 ssize_t buf;
|
|
118
|
602 ngx_uint_t i;
|
|
|
603 ngx_str_t *value, name;
|
|
|
604 ngx_http_log_t *log;
|
|
|
605 ngx_http_log_fmt_t *fmt;
|
|
|
606 ngx_http_log_main_conf_t *lmcf;
|
|
|
607
|
|
|
608 value = cf->args->elts;
|
|
|
609
|
|
|
610 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
611 llcf->off = 1;
|
|
|
612 return NGX_CONF_OK;
|
|
|
613 }
|
|
|
614
|
|
|
615 if (llcf->logs == NULL) {
|
|
|
616 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
617 if (llcf->logs == NULL) {
|
|
|
618 return NGX_CONF_ERROR;
|
|
|
619 }
|
|
|
620 }
|
|
|
621
|
|
|
622 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
623
|
|
|
624 log = ngx_array_push(llcf->logs);
|
|
|
625 if (log == NULL) {
|
|
|
626 return NGX_CONF_ERROR;
|
|
|
627 }
|
|
|
628
|
|
|
629 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
630 if (log->file == NULL) {
|
|
|
631 return NGX_CONF_ERROR;
|
|
|
632 }
|
|
|
633
|
|
182
|
634 log->disk_full_time = 0;
|
|
278
|
635 log->error_log_time = 0;
|
|
182
|
636
|
|
120
|
637 if (cf->args->nelts >= 3) {
|
|
118
|
638 name = value[2];
|
|
130
|
639
|
|
|
640 if (ngx_strcmp(name.data, "combined") == 0) {
|
|
|
641 lmcf->combined_used = 1;
|
|
|
642 }
|
|
|
643
|
|
118
|
644 } else {
|
|
|
645 name.len = sizeof("combined") - 1;
|
|
|
646 name.data = (u_char *) "combined";
|
|
122
|
647 lmcf->combined_used = 1;
|
|
118
|
648 }
|
|
|
649
|
|
|
650 fmt = lmcf->formats.elts;
|
|
|
651 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
652 if (fmt[i].name.len == name.len
|
|
|
653 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
654 {
|
|
|
655 log->ops = fmt[i].ops;
|
|
120
|
656 goto buffer;
|
|
118
|
657 }
|
|
|
658 }
|
|
|
659
|
|
|
660 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
661 "unknown log format \"%V\"", &name);
|
|
120
|
662 return NGX_CONF_ERROR;
|
|
118
|
663
|
|
120
|
664 buffer:
|
|
|
665
|
|
|
666 if (cf->args->nelts == 4) {
|
|
|
667 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
668 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
669 "invalid parameter \"%V\"", &value[3]);
|
|
|
670 return NGX_CONF_ERROR;
|
|
|
671 }
|
|
|
672
|
|
|
673 name.len = value[3].len - 7;
|
|
|
674 name.data = value[3].data + 7;
|
|
|
675
|
|
|
676 buf = ngx_parse_size(&name);
|
|
|
677
|
|
|
678 if (buf == NGX_ERROR) {
|
|
|
679 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
680 "invalid parameter \"%V\"", &value[3]);
|
|
|
681 return NGX_CONF_ERROR;
|
|
|
682 }
|
|
|
683
|
|
|
684 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
685 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
686 "access_log \"%V\" already defined "
|
|
|
687 "with different buffer size", &value[1]);
|
|
|
688 return NGX_CONF_ERROR;
|
|
|
689 }
|
|
|
690
|
|
|
691 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
692 if (log->file->buffer == NULL) {
|
|
|
693 return NGX_CONF_ERROR;
|
|
|
694 }
|
|
|
695
|
|
|
696 log->file->pos = log->file->buffer;
|
|
|
697 log->file->last = log->file->buffer + buf;
|
|
|
698 }
|
|
|
699
|
|
|
700 return NGX_CONF_OK;
|
|
118
|
701 }
|
|
|
702
|
|
|
703
|
|
|
704 static char *
|
|
|
705 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
706 {
|
|
|
707 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
708
|
|
122
|
709 ngx_str_t *value;
|
|
|
710 ngx_uint_t i;
|
|
|
711 ngx_http_log_fmt_t *fmt;
|
|
118
|
712
|
|
|
713 value = cf->args->elts;
|
|
|
714
|
|
|
715 fmt = lmcf->formats.elts;
|
|
122
|
716 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
717 if (fmt[i].name.len == value[1].len
|
|
|
718 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
118
|
719 {
|
|
|
720 return "duplicate \"log_format\" name";
|
|
|
721 }
|
|
|
722 }
|
|
|
723
|
|
|
724 fmt = ngx_array_push(&lmcf->formats);
|
|
|
725 if (fmt == NULL) {
|
|
|
726 return NGX_CONF_ERROR;
|
|
|
727 }
|
|
|
728
|
|
|
729 fmt->name = value[1];
|
|
|
730
|
|
122
|
731 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
118
|
732 if (fmt->ops == NULL) {
|
|
|
733 return NGX_CONF_ERROR;
|
|
|
734 }
|
|
|
735
|
|
122
|
736 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
|
737 }
|
|
|
738
|
|
118
|
739
|
|
122
|
740 static char *
|
|
|
741 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
|
742 ngx_array_t *args, ngx_uint_t s)
|
|
|
743 {
|
|
260
|
744 u_char *data, *p, ch;
|
|
|
745 size_t i, len;
|
|
|
746 ngx_str_t *value, var;
|
|
|
747 ngx_uint_t bracket;
|
|
|
748 ngx_http_log_op_t *op;
|
|
|
749 ngx_http_log_var_t *v;
|
|
122
|
750
|
|
|
751 value = args->elts;
|
|
|
752
|
|
|
753 for ( /* void */ ; s < args->nelts; s++) {
|
|
118
|
754
|
|
260
|
755 for (i = 0; i < value[s].len; i++) {
|
|
|
756 if (value[s].data[i] != '%') {
|
|
|
757 continue;
|
|
|
758 }
|
|
|
759
|
|
|
760 ch = value[s].data[i + 1];
|
|
|
761
|
|
|
762 if ((ch >= 'A' && ch <= 'Z')
|
|
|
763 || (ch >= 'a' && ch <= 'z')
|
|
|
764 || ch == '{')
|
|
|
765 {
|
|
|
766 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
767 "the parameters in the \"%%name\" form are not supported, "
|
|
|
768 "use the \"$variable\" instead");
|
|
|
769
|
|
|
770 return NGX_CONF_ERROR;
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
118
|
774 i = 0;
|
|
|
775
|
|
|
776 while (i < value[s].len) {
|
|
|
777
|
|
122
|
778 op = ngx_array_push(ops);
|
|
118
|
779 if (op == NULL) {
|
|
|
780 return NGX_CONF_ERROR;
|
|
|
781 }
|
|
|
782
|
|
|
783 data = &value[s].data[i];
|
|
|
784
|
|
260
|
785 if (value[s].data[i] == '$') {
|
|
118
|
786
|
|
|
787 if (++i == value[s].len) {
|
|
|
788 goto invalid;
|
|
|
789 }
|
|
|
790
|
|
|
791 if (value[s].data[i] == '{') {
|
|
|
792 bracket = 1;
|
|
|
793
|
|
|
794 if (++i == value[s].len) {
|
|
|
795 goto invalid;
|
|
|
796 }
|
|
|
797
|
|
|
798 var.data = &value[s].data[i];
|
|
|
799
|
|
|
800 } else {
|
|
|
801 bracket = 0;
|
|
|
802 var.data = &value[s].data[i];
|
|
|
803 }
|
|
|
804
|
|
|
805 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
806 ch = value[s].data[i];
|
|
|
807
|
|
|
808 if (ch == '}' && bracket) {
|
|
|
809 i++;
|
|
|
810 bracket = 0;
|
|
|
811 break;
|
|
|
812 }
|
|
|
813
|
|
|
814 if ((ch >= 'A' && ch <= 'Z')
|
|
|
815 || (ch >= 'a' && ch <= 'z')
|
|
|
816 || (ch >= '0' && ch <= '9')
|
|
|
817 || ch == '_')
|
|
|
818 {
|
|
|
819 continue;
|
|
|
820 }
|
|
|
821
|
|
|
822 break;
|
|
|
823 }
|
|
|
824
|
|
|
825 if (bracket) {
|
|
|
826 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
827 "the closing bracket in \"%V\" "
|
|
|
828 "variable is missing", &var);
|
|
|
829 return NGX_CONF_ERROR;
|
|
|
830 }
|
|
|
831
|
|
|
832 if (var.len == 0) {
|
|
|
833 goto invalid;
|
|
|
834 }
|
|
|
835
|
|
126
|
836 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
|
837 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
838 "use \"$body_bytes_sent\" instead of "
|
|
|
839 "\"$apache_bytes_sent\"");
|
|
|
840 }
|
|
|
841
|
|
122
|
842 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
843
|
|
|
844 if (v->name.len == var.len
|
|
|
845 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
|
846 {
|
|
|
847 op->len = v->len;
|
|
|
848 op->getlen = NULL;
|
|
|
849 op->run = v->run;
|
|
|
850 op->data = 0;
|
|
|
851
|
|
|
852 goto found;
|
|
|
853 }
|
|
|
854 }
|
|
|
855
|
|
118
|
856 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
857 return NGX_CONF_ERROR;
|
|
|
858 }
|
|
|
859
|
|
122
|
860 found:
|
|
|
861
|
|
|
862 continue;
|
|
|
863 }
|
|
|
864
|
|
|
865 i++;
|
|
118
|
866
|
|
260
|
867 while (i < value[s].len && value[s].data[i] != '$') {
|
|
122
|
868 i++;
|
|
|
869 }
|
|
118
|
870
|
|
122
|
871 len = &value[s].data[i] - data;
|
|
118
|
872
|
|
122
|
873 if (len) {
|
|
118
|
874
|
|
122
|
875 op->len = len;
|
|
|
876 op->getlen = NULL;
|
|
118
|
877
|
|
122
|
878 if (len <= sizeof(uintptr_t)) {
|
|
|
879 op->run = ngx_http_log_copy_short;
|
|
|
880 op->data = 0;
|
|
118
|
881
|
|
122
|
882 while (len--) {
|
|
|
883 op->data <<= 8;
|
|
|
884 op->data |= data[len];
|
|
|
885 }
|
|
|
886
|
|
|
887 } else {
|
|
|
888 op->run = ngx_http_log_copy_long;
|
|
118
|
889
|
|
122
|
890 p = ngx_palloc(cf->pool, len);
|
|
|
891 if (p == NULL) {
|
|
|
892 return NGX_CONF_ERROR;
|
|
|
893 }
|
|
118
|
894
|
|
122
|
895 ngx_memcpy(p, data, len);
|
|
|
896 op->data = (uintptr_t) p;
|
|
118
|
897 }
|
|
|
898 }
|
|
|
899 }
|
|
|
900 }
|
|
|
901
|
|
|
902 return NGX_CONF_OK;
|
|
|
903
|
|
|
904 invalid:
|
|
|
905
|
|
|
906 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
907
|
|
|
908 return NGX_CONF_ERROR;
|
|
|
909 }
|
|
|
910
|
|
|
911
|
|
|
912 static ngx_int_t
|
|
122
|
913 ngx_http_log_init(ngx_conf_t *cf)
|
|
118
|
914 {
|
|
122
|
915 ngx_str_t *value;
|
|
|
916 ngx_array_t a;
|
|
130
|
917 ngx_http_handler_pt *h;
|
|
122
|
918 ngx_http_log_fmt_t *fmt;
|
|
|
919 ngx_http_log_main_conf_t *lmcf;
|
|
118
|
920 ngx_http_core_main_conf_t *cmcf;
|
|
|
921
|
|
122
|
922 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
923
|
|
|
924 if (lmcf->combined_used) {
|
|
|
925 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
|
926 return NGX_ERROR;
|
|
|
927 }
|
|
|
928
|
|
|
929 value = ngx_array_push(&a);
|
|
|
930 if (value == NULL) {
|
|
|
931 return NGX_ERROR;
|
|
|
932 }
|
|
|
933
|
|
|
934 *value = ngx_http_combined_fmt;
|
|
|
935 fmt = lmcf->formats.elts;
|
|
|
936
|
|
|
937 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
|
938 != NGX_CONF_OK)
|
|
|
939 {
|
|
|
940 return NGX_ERROR;
|
|
|
941 }
|
|
|
942 }
|
|
|
943
|
|
|
944 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
118
|
945
|
|
130
|
946 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers);
|
|
|
947 if (h == NULL) {
|
|
|
948 return NGX_ERROR;
|
|
|
949 }
|
|
|
950
|
|
|
951 *h = ngx_http_log_handler;
|
|
118
|
952
|
|
|
953 return NGX_OK;
|
|
|
954 }
|
