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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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122
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45 ngx_array_t *ops; /* array of ngx_http_log_op_t */
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46 } ngx_http_log_t;
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47
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206
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48
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122
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49 typedef struct {
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50 ngx_array_t *logs; /* array of ngx_http_log_t */
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51 ngx_uint_t off; /* unsigned off:1 */
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52 } ngx_http_log_loc_conf_t;
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53
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54
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55 typedef struct {
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56 ngx_str_t name;
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57 size_t len;
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58 ngx_http_log_op_run_pt run;
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59 } ngx_http_log_var_t;
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60
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61
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118
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62 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
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63 ngx_http_log_op_t *op);
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64 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
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65 ngx_http_log_op_t *op);
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66 static u_char *ngx_http_log_time(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_msec(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_request_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_status(ngx_http_request_t *r, u_char *buf,
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73 ngx_http_log_op_t *op);
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122
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74 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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75 ngx_http_log_op_t *op);
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126
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76 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r,
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122
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77 u_char *buf, ngx_http_log_op_t *op);
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118
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78 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
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79 ngx_http_log_op_t *op);
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80
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81 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
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82 ngx_http_log_op_t *op, ngx_str_t *value);
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83 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
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84 uintptr_t data);
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85 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
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86 ngx_http_log_op_t *op);
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87
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88
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89 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
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90 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
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91 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
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92 void *child);
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93 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
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94 void *conf);
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95 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
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96 void *conf);
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122
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97 static char *ngx_http_log_compile_format(ngx_conf_t *cf,
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98 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s);
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99 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf);
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118
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100
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101
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102 static ngx_command_t ngx_http_log_commands[] = {
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103
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104 { ngx_string("log_format"),
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105 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
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106 ngx_http_log_set_format,
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107 NGX_HTTP_MAIN_CONF_OFFSET,
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108 0,
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109 NULL },
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110
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111 { ngx_string("access_log"),
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194
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112 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
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113 |NGX_CONF_TAKE123,
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118
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114 ngx_http_log_set_log,
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115 NGX_HTTP_LOC_CONF_OFFSET,
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116 0,
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117 NULL },
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118
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119 ngx_null_command
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120 };
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121
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122
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216
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123 static ngx_http_module_t ngx_http_log_module_ctx = {
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260
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124 NULL, /* preconfiguration */
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122
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125 ngx_http_log_init, /* postconfiguration */
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118
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126
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127 ngx_http_log_create_main_conf, /* create main configuration */
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128 NULL, /* init main configuration */
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129
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130 NULL, /* create server configuration */
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131 NULL, /* merge server configuration */
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132
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133 ngx_http_log_create_loc_conf, /* create location configration */
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134 ngx_http_log_merge_loc_conf /* merge location configration */
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135 };
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136
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137
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138 ngx_module_t ngx_http_log_module = {
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139 NGX_MODULE_V1,
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140 &ngx_http_log_module_ctx, /* module context */
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141 ngx_http_log_commands, /* module directives */
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142 NGX_HTTP_MODULE, /* module type */
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143 NULL, /* init master */
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122
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144 NULL, /* init module */
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118
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145 NULL, /* init process */
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146 NULL, /* init thread */
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147 NULL, /* exit thread */
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148 NULL, /* exit process */
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149 NULL, /* exit master */
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150 NGX_MODULE_V1_PADDING
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151 };
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152
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153
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122
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154 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
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155
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156
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157 static ngx_str_t ngx_http_combined_fmt =
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130
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158 ngx_string("$remote_addr - $remote_user [$time_local] "
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126
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159 "\"$request\" $status $body_bytes_sent "
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122
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160 "\"$http_referer\" \"$http_user_agent\"");
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118
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161
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162
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122
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163 static ngx_http_log_var_t ngx_http_log_vars[] = {
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164 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection },
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165 { ngx_string("pipe"), 1, ngx_http_log_pipe },
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130
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166 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
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122
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167 ngx_http_log_time },
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168 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec },
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169 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time },
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170 { ngx_string("status"), 3, ngx_http_log_status },
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171 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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126
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172 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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173 ngx_http_log_body_bytes_sent },
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122
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174 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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126
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175 ngx_http_log_body_bytes_sent },
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122
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176 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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177 ngx_http_log_request_length },
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178
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179 { ngx_null_string, 0, NULL }
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180 };
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118
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181
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182
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183 ngx_int_t
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184 ngx_http_log_handler(ngx_http_request_t *r)
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185 {
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186 ngx_uint_t i, l;
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187 u_char *line, *p;
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188 size_t len;
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189 ngx_http_log_t *log;
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120
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190 ngx_open_file_t *file;
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118
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191 ngx_http_log_op_t *op;
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192 ngx_http_log_loc_conf_t *lcf;
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193
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194 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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195 "http log handler");
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196
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197 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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198
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199 if (lcf->off) {
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200 return NGX_OK;
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201 }
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202
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203 log = lcf->logs->elts;
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204 for (l = 0; l < lcf->logs->nelts; l++) {
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205
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182
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206 if (ngx_time() == log[l].disk_full_time) {
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207
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208 /*
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209 * On FreeBSD writing to a full filesystem with enabled softupdates
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210 * may block process for much longer time than writing to non-full
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211 * filesystem, so we skip writing the log for one second.
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212 */
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213
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214 continue;
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215 }
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216
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118
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217 len = 0;
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218 op = log[l].ops->elts;
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219 for (i = 0; i < log[l].ops->nelts; i++) {
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220 if (op[i].len == 0) {
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221 len += op[i].getlen(r, op[i].data);
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222
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223 } else {
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224 len += op[i].len;
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225 }
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226 }
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227
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120
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228 len += NGX_LINEFEED_SIZE;
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229
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230 file = log[l].file;
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231
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232 if (file->buffer) {
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233
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234 if (len > (size_t) (file->last - file->pos)) {
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235
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182
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236 if (ngx_write_fd(file->fd, file->buffer,
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237 file->pos - file->buffer)
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238 == -1
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239 && ngx_errno == NGX_ENOSPC)
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240 {
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241 log[l].disk_full_time = ngx_time();
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242 }
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120
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243
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244 file->pos = file->buffer;
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245 }
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246
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247 if (len <= (size_t) (file->last - file->pos)) {
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248
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249 p = file->pos;
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250
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251 for (i = 0; i < log[l].ops->nelts; i++) {
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252 p = op[i].run(r, p, &op[i]);
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253 }
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254
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255 ngx_linefeed(p);
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256
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257 file->pos = p;
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258
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259 continue;
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260 }
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261 }
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118
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262
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263 line = ngx_palloc(r->pool, len);
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264 if (line == NULL) {
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265 return NGX_ERROR;
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266 }
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267
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268 p = line;
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269
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270 for (i = 0; i < log[l].ops->nelts; i++) {
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271 p = op[i].run(r, p, &op[i]);
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272 }
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273
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120
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274 ngx_linefeed(p);
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275
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182
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276 if (ngx_write_fd(file->fd, line, p - line) == -1
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277 && ngx_errno == NGX_ENOSPC)
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278 {
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279 log[l].disk_full_time = ngx_time();
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280 }
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118
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281 }
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282
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283 return NGX_OK;
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284 }
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285
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286
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287 static u_char *
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288 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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289 ngx_http_log_op_t *op)
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290 {
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291 size_t len;
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292 uintptr_t data;
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293
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294 len = op->len;
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295 data = op->data;
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296
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297 while (len--) {
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298 *buf++ = (u_char) (data & 0xff);
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299 data >>= 8;
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300 }
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301
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302 return buf;
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303 }
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304
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305
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306 static u_char *
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307 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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308 ngx_http_log_op_t *op)
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309 {
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310 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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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_connection(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 return ngx_sprintf(buf, "%ui", r->connection->number);
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319 }
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320
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321
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322 static u_char *
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323 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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324 {
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325 if (r->pipeline) {
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326 *buf = 'p';
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327 } else {
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328 *buf = '.';
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329 }
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330
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331 return buf + 1;
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332 }
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333
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334
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335 static u_char *
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336 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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337 {
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338 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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339 ngx_cached_http_log_time.len);
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340 }
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341
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342
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343 static u_char *
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344 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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345 {
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346 ngx_time_t *tp;
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347
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348 tp = ngx_timeofday();
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349
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350 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
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351 }
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352
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353
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354 static u_char *
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355 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
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356 ngx_http_log_op_t *op)
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357 {
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358 time_t elapsed;
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359
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360 elapsed = ngx_time() - r->start_time;
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361
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362 return ngx_sprintf(buf, "%T", elapsed);
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363 }
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364
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365
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366 static u_char *
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367 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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368 {
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369 return ngx_sprintf(buf, "%ui",
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370 r->err_status ? r->err_status : r->headers_out.status);
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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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122
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375 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
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376 ngx_http_log_op_t *op)
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118
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377 {
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378 return ngx_sprintf(buf, "%O", r->connection->sent);
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379 }
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380
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381
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382 static u_char *
|
|
126
|
383 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
118
|
384 ngx_http_log_op_t *op)
|
|
|
385 {
|
|
|
386 off_t length;
|
|
|
387
|
|
|
388 length = r->connection->sent - r->header_size;
|
|
|
389
|
|
|
390 if (length > 0) {
|
|
|
391 return ngx_sprintf(buf, "%O", length);
|
|
|
392 }
|
|
|
393
|
|
|
394 *buf = '0';
|
|
|
395
|
|
|
396 return buf + 1;
|
|
|
397 }
|
|
|
398
|
|
|
399
|
|
|
400 static u_char *
|
|
|
401 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
402 ngx_http_log_op_t *op)
|
|
|
403 {
|
|
212
|
404 return ngx_sprintf(buf, "%O", r->request_length);
|
|
118
|
405 }
|
|
|
406
|
|
|
407
|
|
|
408 static ngx_int_t
|
|
|
409 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
410 ngx_str_t *value)
|
|
|
411 {
|
|
|
412 ngx_int_t index;
|
|
|
413
|
|
|
414 index = ngx_http_get_variable_index(cf, value);
|
|
|
415 if (index == NGX_ERROR) {
|
|
|
416 return NGX_ERROR;
|
|
|
417 }
|
|
|
418
|
|
|
419 op->len = 0;
|
|
|
420 op->getlen = ngx_http_log_variable_getlen;
|
|
|
421 op->run = ngx_http_log_variable;
|
|
|
422 op->data = index;
|
|
|
423
|
|
|
424 return NGX_OK;
|
|
|
425 }
|
|
|
426
|
|
|
427
|
|
|
428 static size_t
|
|
|
429 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
430 {
|
|
|
431 ngx_http_variable_value_t *value;
|
|
|
432
|
|
|
433 value = ngx_http_get_indexed_variable(r, data);
|
|
|
434
|
|
122
|
435 if (value == NULL || value->not_found) {
|
|
118
|
436 return 1;
|
|
|
437 }
|
|
|
438
|
|
122
|
439 return value->len;
|
|
118
|
440 }
|
|
|
441
|
|
|
442
|
|
|
443 static u_char *
|
|
|
444 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
445 {
|
|
|
446 ngx_http_variable_value_t *value;
|
|
|
447
|
|
|
448 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
449
|
|
122
|
450 if (value == NULL || value->not_found) {
|
|
118
|
451 *buf = '-';
|
|
|
452 return buf + 1;
|
|
|
453 }
|
|
|
454
|
|
122
|
455 return ngx_cpymem(buf, value->data, value->len);
|
|
118
|
456 }
|
|
|
457
|
|
|
458
|
|
|
459 static void *
|
|
|
460 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
461 {
|
|
|
462 ngx_http_log_main_conf_t *conf;
|
|
|
463
|
|
122
|
464 ngx_http_log_fmt_t *fmt;
|
|
118
|
465
|
|
|
466 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
467 if (conf == NULL) {
|
|
|
468 return NGX_CONF_ERROR;
|
|
|
469 }
|
|
|
470
|
|
|
471 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
122
|
472 != NGX_OK)
|
|
118
|
473 {
|
|
|
474 return NGX_CONF_ERROR;
|
|
|
475 }
|
|
|
476
|
|
122
|
477 fmt = ngx_array_push(&conf->formats);
|
|
|
478 if (fmt == NULL) {
|
|
118
|
479 return NGX_CONF_ERROR;
|
|
|
480 }
|
|
|
481
|
|
122
|
482 fmt->name.len = sizeof("combined") - 1;
|
|
|
483 fmt->name.data = (u_char *) "combined";
|
|
118
|
484
|
|
122
|
485 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
|
486 if (fmt->ops == NULL) {
|
|
118
|
487 return NGX_CONF_ERROR;
|
|
|
488 }
|
|
|
489
|
|
|
490 return conf;
|
|
|
491 }
|
|
|
492
|
|
|
493
|
|
|
494 static void *
|
|
|
495 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
496 {
|
|
|
497 ngx_http_log_loc_conf_t *conf;
|
|
|
498
|
|
|
499 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
500 if (conf == NULL) {
|
|
|
501 return NGX_CONF_ERROR;
|
|
|
502 }
|
|
|
503
|
|
|
504 return conf;
|
|
|
505 }
|
|
|
506
|
|
|
507
|
|
|
508 static char *
|
|
|
509 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
510 {
|
|
|
511 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
512 ngx_http_log_loc_conf_t *conf = child;
|
|
|
513
|
|
|
514 ngx_http_log_t *log;
|
|
|
515 ngx_http_log_fmt_t *fmt;
|
|
|
516 ngx_http_log_main_conf_t *lmcf;
|
|
|
517
|
|
|
518 if (conf->logs == NULL) {
|
|
|
519
|
|
|
520 if (conf->off) {
|
|
|
521 return NGX_CONF_OK;
|
|
|
522 }
|
|
|
523
|
|
|
524 if (prev->logs) {
|
|
|
525 conf->logs = prev->logs;
|
|
|
526
|
|
|
527 } else {
|
|
|
528
|
|
|
529 if (prev->off) {
|
|
|
530 conf->off = prev->off;
|
|
|
531 return NGX_CONF_OK;
|
|
|
532 }
|
|
|
533
|
|
|
534 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
535 if (conf->logs == NULL) {
|
|
|
536 return NGX_CONF_ERROR;
|
|
|
537 }
|
|
|
538
|
|
|
539 log = ngx_array_push(conf->logs);
|
|
|
540 if (log == NULL) {
|
|
|
541 return NGX_CONF_ERROR;
|
|
|
542 }
|
|
|
543
|
|
|
544 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
545 if (log->file == NULL) {
|
|
|
546 return NGX_CONF_ERROR;
|
|
|
547 }
|
|
|
548
|
|
|
549 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
550 fmt = lmcf->formats.elts;
|
|
|
551
|
|
|
552 /* the default "combined" format */
|
|
|
553 log->ops = fmt[0].ops;
|
|
122
|
554 lmcf->combined_used = 1;
|
|
118
|
555 }
|
|
|
556 }
|
|
|
557
|
|
|
558 return NGX_CONF_OK;
|
|
|
559 }
|
|
|
560
|
|
|
561
|
|
|
562 static char *
|
|
|
563 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
564 {
|
|
|
565 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
566
|
|
120
|
567 ssize_t buf;
|
|
118
|
568 ngx_uint_t i;
|
|
|
569 ngx_str_t *value, name;
|
|
|
570 ngx_http_log_t *log;
|
|
|
571 ngx_http_log_fmt_t *fmt;
|
|
|
572 ngx_http_log_main_conf_t *lmcf;
|
|
|
573
|
|
|
574 value = cf->args->elts;
|
|
|
575
|
|
|
576 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
577 llcf->off = 1;
|
|
|
578 return NGX_CONF_OK;
|
|
|
579 }
|
|
|
580
|
|
|
581 if (llcf->logs == NULL) {
|
|
|
582 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
583 if (llcf->logs == NULL) {
|
|
|
584 return NGX_CONF_ERROR;
|
|
|
585 }
|
|
|
586 }
|
|
|
587
|
|
|
588 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
589
|
|
|
590 log = ngx_array_push(llcf->logs);
|
|
|
591 if (log == NULL) {
|
|
|
592 return NGX_CONF_ERROR;
|
|
|
593 }
|
|
|
594
|
|
|
595 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
596 if (log->file == NULL) {
|
|
|
597 return NGX_CONF_ERROR;
|
|
|
598 }
|
|
|
599
|
|
182
|
600 log->disk_full_time = 0;
|
|
|
601
|
|
120
|
602 if (cf->args->nelts >= 3) {
|
|
118
|
603 name = value[2];
|
|
130
|
604
|
|
|
605 if (ngx_strcmp(name.data, "combined") == 0) {
|
|
|
606 lmcf->combined_used = 1;
|
|
|
607 }
|
|
|
608
|
|
118
|
609 } else {
|
|
|
610 name.len = sizeof("combined") - 1;
|
|
|
611 name.data = (u_char *) "combined";
|
|
122
|
612 lmcf->combined_used = 1;
|
|
118
|
613 }
|
|
|
614
|
|
|
615 fmt = lmcf->formats.elts;
|
|
|
616 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
617 if (fmt[i].name.len == name.len
|
|
|
618 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
619 {
|
|
|
620 log->ops = fmt[i].ops;
|
|
120
|
621 goto buffer;
|
|
118
|
622 }
|
|
|
623 }
|
|
|
624
|
|
|
625 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
626 "unknown log format \"%V\"", &name);
|
|
120
|
627 return NGX_CONF_ERROR;
|
|
118
|
628
|
|
120
|
629 buffer:
|
|
|
630
|
|
|
631 if (cf->args->nelts == 4) {
|
|
|
632 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
633 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
634 "invalid parameter \"%V\"", &value[3]);
|
|
|
635 return NGX_CONF_ERROR;
|
|
|
636 }
|
|
|
637
|
|
|
638 name.len = value[3].len - 7;
|
|
|
639 name.data = value[3].data + 7;
|
|
|
640
|
|
|
641 buf = ngx_parse_size(&name);
|
|
|
642
|
|
|
643 if (buf == NGX_ERROR) {
|
|
|
644 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
645 "invalid parameter \"%V\"", &value[3]);
|
|
|
646 return NGX_CONF_ERROR;
|
|
|
647 }
|
|
|
648
|
|
|
649 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
650 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
651 "access_log \"%V\" already defined "
|
|
|
652 "with different buffer size", &value[1]);
|
|
|
653 return NGX_CONF_ERROR;
|
|
|
654 }
|
|
|
655
|
|
|
656 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
657 if (log->file->buffer == NULL) {
|
|
|
658 return NGX_CONF_ERROR;
|
|
|
659 }
|
|
|
660
|
|
|
661 log->file->pos = log->file->buffer;
|
|
|
662 log->file->last = log->file->buffer + buf;
|
|
|
663 }
|
|
|
664
|
|
|
665 return NGX_CONF_OK;
|
|
118
|
666 }
|
|
|
667
|
|
|
668
|
|
|
669 static char *
|
|
|
670 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
671 {
|
|
|
672 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
673
|
|
122
|
674 ngx_str_t *value;
|
|
|
675 ngx_uint_t i;
|
|
|
676 ngx_http_log_fmt_t *fmt;
|
|
118
|
677
|
|
|
678 value = cf->args->elts;
|
|
|
679
|
|
|
680 fmt = lmcf->formats.elts;
|
|
122
|
681 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
682 if (fmt[i].name.len == value[1].len
|
|
|
683 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
118
|
684 {
|
|
|
685 return "duplicate \"log_format\" name";
|
|
|
686 }
|
|
|
687 }
|
|
|
688
|
|
|
689 fmt = ngx_array_push(&lmcf->formats);
|
|
|
690 if (fmt == NULL) {
|
|
|
691 return NGX_CONF_ERROR;
|
|
|
692 }
|
|
|
693
|
|
|
694 fmt->name = value[1];
|
|
|
695
|
|
122
|
696 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
118
|
697 if (fmt->ops == NULL) {
|
|
|
698 return NGX_CONF_ERROR;
|
|
|
699 }
|
|
|
700
|
|
122
|
701 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
|
702 }
|
|
|
703
|
|
118
|
704
|
|
122
|
705 static char *
|
|
|
706 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
|
707 ngx_array_t *args, ngx_uint_t s)
|
|
|
708 {
|
|
260
|
709 u_char *data, *p, ch;
|
|
|
710 size_t i, len;
|
|
|
711 ngx_str_t *value, var;
|
|
|
712 ngx_uint_t bracket;
|
|
|
713 ngx_http_log_op_t *op;
|
|
|
714 ngx_http_log_var_t *v;
|
|
122
|
715
|
|
|
716 value = args->elts;
|
|
|
717
|
|
|
718 for ( /* void */ ; s < args->nelts; s++) {
|
|
118
|
719
|
|
260
|
720 for (i = 0; i < value[s].len; i++) {
|
|
|
721 if (value[s].data[i] != '%') {
|
|
|
722 continue;
|
|
|
723 }
|
|
|
724
|
|
|
725 ch = value[s].data[i + 1];
|
|
|
726
|
|
|
727 if ((ch >= 'A' && ch <= 'Z')
|
|
|
728 || (ch >= 'a' && ch <= 'z')
|
|
|
729 || ch == '{')
|
|
|
730 {
|
|
|
731 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
732 "the parameters in the \"%%name\" form are not supported, "
|
|
|
733 "use the \"$variable\" instead");
|
|
|
734
|
|
|
735 return NGX_CONF_ERROR;
|
|
|
736 }
|
|
|
737 }
|
|
|
738
|
|
118
|
739 i = 0;
|
|
|
740
|
|
|
741 while (i < value[s].len) {
|
|
|
742
|
|
122
|
743 op = ngx_array_push(ops);
|
|
118
|
744 if (op == NULL) {
|
|
|
745 return NGX_CONF_ERROR;
|
|
|
746 }
|
|
|
747
|
|
|
748 data = &value[s].data[i];
|
|
|
749
|
|
260
|
750 if (value[s].data[i] == '$') {
|
|
118
|
751
|
|
|
752 if (++i == value[s].len) {
|
|
|
753 goto invalid;
|
|
|
754 }
|
|
|
755
|
|
|
756 if (value[s].data[i] == '{') {
|
|
|
757 bracket = 1;
|
|
|
758
|
|
|
759 if (++i == value[s].len) {
|
|
|
760 goto invalid;
|
|
|
761 }
|
|
|
762
|
|
|
763 var.data = &value[s].data[i];
|
|
|
764
|
|
|
765 } else {
|
|
|
766 bracket = 0;
|
|
|
767 var.data = &value[s].data[i];
|
|
|
768 }
|
|
|
769
|
|
|
770 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
771 ch = value[s].data[i];
|
|
|
772
|
|
|
773 if (ch == '}' && bracket) {
|
|
|
774 i++;
|
|
|
775 bracket = 0;
|
|
|
776 break;
|
|
|
777 }
|
|
|
778
|
|
|
779 if ((ch >= 'A' && ch <= 'Z')
|
|
|
780 || (ch >= 'a' && ch <= 'z')
|
|
|
781 || (ch >= '0' && ch <= '9')
|
|
|
782 || ch == '_')
|
|
|
783 {
|
|
|
784 continue;
|
|
|
785 }
|
|
|
786
|
|
|
787 break;
|
|
|
788 }
|
|
|
789
|
|
|
790 if (bracket) {
|
|
|
791 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
792 "the closing bracket in \"%V\" "
|
|
|
793 "variable is missing", &var);
|
|
|
794 return NGX_CONF_ERROR;
|
|
|
795 }
|
|
|
796
|
|
|
797 if (var.len == 0) {
|
|
|
798 goto invalid;
|
|
|
799 }
|
|
|
800
|
|
126
|
801 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
|
802 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
803 "use \"$body_bytes_sent\" instead of "
|
|
|
804 "\"$apache_bytes_sent\"");
|
|
|
805 }
|
|
|
806
|
|
122
|
807 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
808
|
|
|
809 if (v->name.len == var.len
|
|
|
810 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
|
811 {
|
|
|
812 op->len = v->len;
|
|
|
813 op->getlen = NULL;
|
|
|
814 op->run = v->run;
|
|
|
815 op->data = 0;
|
|
|
816
|
|
|
817 goto found;
|
|
|
818 }
|
|
|
819 }
|
|
|
820
|
|
118
|
821 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
822 return NGX_CONF_ERROR;
|
|
|
823 }
|
|
|
824
|
|
122
|
825 found:
|
|
|
826
|
|
|
827 continue;
|
|
|
828 }
|
|
|
829
|
|
|
830 i++;
|
|
118
|
831
|
|
260
|
832 while (i < value[s].len && value[s].data[i] != '$') {
|
|
122
|
833 i++;
|
|
|
834 }
|
|
118
|
835
|
|
122
|
836 len = &value[s].data[i] - data;
|
|
118
|
837
|
|
122
|
838 if (len) {
|
|
118
|
839
|
|
122
|
840 op->len = len;
|
|
|
841 op->getlen = NULL;
|
|
118
|
842
|
|
122
|
843 if (len <= sizeof(uintptr_t)) {
|
|
|
844 op->run = ngx_http_log_copy_short;
|
|
|
845 op->data = 0;
|
|
118
|
846
|
|
122
|
847 while (len--) {
|
|
|
848 op->data <<= 8;
|
|
|
849 op->data |= data[len];
|
|
|
850 }
|
|
|
851
|
|
|
852 } else {
|
|
|
853 op->run = ngx_http_log_copy_long;
|
|
118
|
854
|
|
122
|
855 p = ngx_palloc(cf->pool, len);
|
|
|
856 if (p == NULL) {
|
|
|
857 return NGX_CONF_ERROR;
|
|
|
858 }
|
|
118
|
859
|
|
122
|
860 ngx_memcpy(p, data, len);
|
|
|
861 op->data = (uintptr_t) p;
|
|
118
|
862 }
|
|
|
863 }
|
|
|
864 }
|
|
|
865 }
|
|
|
866
|
|
|
867 return NGX_CONF_OK;
|
|
|
868
|
|
|
869 invalid:
|
|
|
870
|
|
|
871 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
872
|
|
|
873 return NGX_CONF_ERROR;
|
|
|
874 }
|
|
|
875
|
|
|
876
|
|
|
877 static ngx_int_t
|
|
122
|
878 ngx_http_log_init(ngx_conf_t *cf)
|
|
118
|
879 {
|
|
122
|
880 ngx_str_t *value;
|
|
|
881 ngx_array_t a;
|
|
130
|
882 ngx_http_handler_pt *h;
|
|
122
|
883 ngx_http_log_fmt_t *fmt;
|
|
|
884 ngx_http_log_main_conf_t *lmcf;
|
|
118
|
885 ngx_http_core_main_conf_t *cmcf;
|
|
|
886
|
|
122
|
887 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
888
|
|
|
889 if (lmcf->combined_used) {
|
|
|
890 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
|
891 return NGX_ERROR;
|
|
|
892 }
|
|
|
893
|
|
|
894 value = ngx_array_push(&a);
|
|
|
895 if (value == NULL) {
|
|
|
896 return NGX_ERROR;
|
|
|
897 }
|
|
|
898
|
|
|
899 *value = ngx_http_combined_fmt;
|
|
|
900 fmt = lmcf->formats.elts;
|
|
|
901
|
|
|
902 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
|
903 != NGX_CONF_OK)
|
|
|
904 {
|
|
|
905 return NGX_ERROR;
|
|
|
906 }
|
|
|
907 }
|
|
|
908
|
|
|
909 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
118
|
910
|
|
130
|
911 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers);
|
|
|
912 if (h == NULL) {
|
|
|
913 return NGX_ERROR;
|
|
|
914 }
|
|
|
915
|
|
|
916 *h = ngx_http_log_handler;
|
|
118
|
917
|
|
|
918 return NGX_OK;
|
|
|
919 }
|
