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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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340
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117 |NGX_HTTP_LMT_CONF|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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298
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173 { ngx_string("request_time"), NGX_TIME_T_LEN + 4,
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174 ngx_http_log_request_time },
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122
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175 { ngx_string("status"), 3, ngx_http_log_status },
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176 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent },
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126
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177 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN,
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178 ngx_http_log_body_bytes_sent },
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122
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179 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN,
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126
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180 ngx_http_log_body_bytes_sent },
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122
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181 { ngx_string("request_length"), NGX_SIZE_T_LEN,
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182 ngx_http_log_request_length },
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183
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184 { ngx_null_string, 0, NULL }
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185 };
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118
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186
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187
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188 ngx_int_t
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189 ngx_http_log_handler(ngx_http_request_t *r)
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190 {
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191 u_char *line, *p;
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192 size_t len;
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278
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193 ngx_uint_t i, l;
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118
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194 ngx_http_log_t *log;
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120
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195 ngx_open_file_t *file;
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118
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196 ngx_http_log_op_t *op;
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197 ngx_http_log_loc_conf_t *lcf;
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198
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199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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200 "http log handler");
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201
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202 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
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203
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204 if (lcf->off) {
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205 return NGX_OK;
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206 }
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207
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208 log = lcf->logs->elts;
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209 for (l = 0; l < lcf->logs->nelts; l++) {
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210
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182
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211 if (ngx_time() == log[l].disk_full_time) {
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212
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213 /*
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278
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214 * on FreeBSD writing to a full filesystem with enabled softupdates
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182
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215 * may block process for much longer time than writing to non-full
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278
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216 * filesystem, so we skip writing to a log for one second
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182
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217 */
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218
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219 continue;
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220 }
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221
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118
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222 len = 0;
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223 op = log[l].ops->elts;
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224 for (i = 0; i < log[l].ops->nelts; i++) {
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225 if (op[i].len == 0) {
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226 len += op[i].getlen(r, op[i].data);
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227
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228 } else {
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229 len += op[i].len;
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230 }
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231 }
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232
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120
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233 len += NGX_LINEFEED_SIZE;
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234
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235 file = log[l].file;
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236
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237 if (file->buffer) {
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238
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239 if (len > (size_t) (file->last - file->pos)) {
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240
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278
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241 ngx_http_log_write(r, &log[l], file->buffer,
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242 file->pos - file->buffer);
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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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278
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276 ngx_http_log_write(r, &log[l], line, p - line);
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118
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277 }
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278
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279 return NGX_OK;
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280 }
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281
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282
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278
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283 static void
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284 ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf,
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285 size_t len)
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286 {
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287 time_t now;
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288 ssize_t n;
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289 ngx_err_t err;
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290
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291 n = ngx_write_fd(log->file->fd, buf, len);
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292
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293 if (n == (ssize_t) len) {
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294 return;
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295 }
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296
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297 now = ngx_time();
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298
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299 if (n == -1) {
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300 err = ngx_errno;
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301
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302 if (err == NGX_ENOSPC) {
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303 log->disk_full_time = now;
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304 }
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305
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296
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306 if (now - log->error_log_time > 59) {
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278
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307 ngx_log_error(NGX_LOG_ALERT, r->connection->log, err,
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308 ngx_write_fd_n " to \"%V\" failed",
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309 &log->file->name);
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310
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311 log->error_log_time = now;
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312 }
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313
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314 return;
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315 }
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316
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296
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317 if (now - log->error_log_time > 59) {
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278
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318 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
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319 ngx_write_fd_n " to \"%V\" was incomplete: %z of %uz",
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320 &log->file->name, n, len);
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321
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322 log->error_log_time = now;
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323 }
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324 }
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325
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326
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118
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327 static u_char *
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328 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
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329 ngx_http_log_op_t *op)
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330 {
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331 size_t len;
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332 uintptr_t data;
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333
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334 len = op->len;
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335 data = op->data;
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336
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337 while (len--) {
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338 *buf++ = (u_char) (data & 0xff);
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339 data >>= 8;
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340 }
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341
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342 return buf;
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343 }
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344
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345
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346 static u_char *
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347 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
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348 ngx_http_log_op_t *op)
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349 {
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350 return ngx_cpymem(buf, (u_char *) op->data, op->len);
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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_connection(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 return ngx_sprintf(buf, "%ui", r->connection->number);
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359 }
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360
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361
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362 static u_char *
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363 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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364 {
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365 if (r->pipeline) {
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366 *buf = 'p';
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367 } else {
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368 *buf = '.';
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369 }
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370
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371 return buf + 1;
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372 }
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373
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374
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375 static u_char *
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376 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
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377 {
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378 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
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379 ngx_cached_http_log_time.len);
|
|
|
380 }
|
|
|
381
|
|
|
382
|
|
|
383 static u_char *
|
|
|
384 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
385 {
|
|
|
386 ngx_time_t *tp;
|
|
|
387
|
|
|
388 tp = ngx_timeofday();
|
|
|
389
|
|
|
390 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
|
|
|
391 }
|
|
|
392
|
|
|
393
|
|
|
394 static u_char *
|
|
|
395 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
396 ngx_http_log_op_t *op)
|
|
|
397 {
|
|
298
|
398 ngx_time_t *tp;
|
|
|
399 ngx_msec_int_t ms;
|
|
|
400
|
|
|
401 tp = ngx_timeofday();
|
|
118
|
402
|
|
346
|
403 ms = (ngx_msec_int_t)
|
|
|
404 ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec));
|
|
298
|
405 ms = (ms >= 0) ? ms : 0;
|
|
118
|
406
|
|
298
|
407 return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000);
|
|
118
|
408 }
|
|
|
409
|
|
|
410
|
|
|
411 static u_char *
|
|
|
412 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
413 {
|
|
|
414 return ngx_sprintf(buf, "%ui",
|
|
|
415 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
416 }
|
|
|
417
|
|
|
418
|
|
|
419 static u_char *
|
|
122
|
420 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
|
421 ngx_http_log_op_t *op)
|
|
118
|
422 {
|
|
|
423 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
424 }
|
|
|
425
|
|
|
426
|
|
316
|
427 /*
|
|
|
428 * although there is a real $body_bytes_sent variable,
|
|
|
429 * this log operation code function is more optimized for logging
|
|
|
430 */
|
|
|
431
|
|
118
|
432 static u_char *
|
|
126
|
433 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf,
|
|
118
|
434 ngx_http_log_op_t *op)
|
|
|
435 {
|
|
|
436 off_t length;
|
|
|
437
|
|
|
438 length = r->connection->sent - r->header_size;
|
|
|
439
|
|
|
440 if (length > 0) {
|
|
|
441 return ngx_sprintf(buf, "%O", length);
|
|
|
442 }
|
|
|
443
|
|
|
444 *buf = '0';
|
|
|
445
|
|
|
446 return buf + 1;
|
|
|
447 }
|
|
|
448
|
|
|
449
|
|
|
450 static u_char *
|
|
|
451 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
452 ngx_http_log_op_t *op)
|
|
|
453 {
|
|
212
|
454 return ngx_sprintf(buf, "%O", r->request_length);
|
|
118
|
455 }
|
|
|
456
|
|
|
457
|
|
|
458 static ngx_int_t
|
|
|
459 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
460 ngx_str_t *value)
|
|
|
461 {
|
|
|
462 ngx_int_t index;
|
|
|
463
|
|
|
464 index = ngx_http_get_variable_index(cf, value);
|
|
|
465 if (index == NGX_ERROR) {
|
|
|
466 return NGX_ERROR;
|
|
|
467 }
|
|
|
468
|
|
|
469 op->len = 0;
|
|
|
470 op->getlen = ngx_http_log_variable_getlen;
|
|
|
471 op->run = ngx_http_log_variable;
|
|
|
472 op->data = index;
|
|
|
473
|
|
|
474 return NGX_OK;
|
|
|
475 }
|
|
|
476
|
|
|
477
|
|
|
478 static size_t
|
|
|
479 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
480 {
|
|
|
481 ngx_http_variable_value_t *value;
|
|
|
482
|
|
|
483 value = ngx_http_get_indexed_variable(r, data);
|
|
|
484
|
|
122
|
485 if (value == NULL || value->not_found) {
|
|
118
|
486 return 1;
|
|
|
487 }
|
|
|
488
|
|
122
|
489 return value->len;
|
|
118
|
490 }
|
|
|
491
|
|
|
492
|
|
|
493 static u_char *
|
|
|
494 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
495 {
|
|
|
496 ngx_http_variable_value_t *value;
|
|
|
497
|
|
|
498 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
499
|
|
122
|
500 if (value == NULL || value->not_found) {
|
|
118
|
501 *buf = '-';
|
|
|
502 return buf + 1;
|
|
|
503 }
|
|
|
504
|
|
122
|
505 return ngx_cpymem(buf, value->data, value->len);
|
|
118
|
506 }
|
|
|
507
|
|
|
508
|
|
|
509 static void *
|
|
|
510 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
511 {
|
|
|
512 ngx_http_log_main_conf_t *conf;
|
|
|
513
|
|
122
|
514 ngx_http_log_fmt_t *fmt;
|
|
118
|
515
|
|
|
516 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
517 if (conf == NULL) {
|
|
|
518 return NGX_CONF_ERROR;
|
|
|
519 }
|
|
|
520
|
|
|
521 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
122
|
522 != NGX_OK)
|
|
118
|
523 {
|
|
|
524 return NGX_CONF_ERROR;
|
|
|
525 }
|
|
|
526
|
|
122
|
527 fmt = ngx_array_push(&conf->formats);
|
|
|
528 if (fmt == NULL) {
|
|
118
|
529 return NGX_CONF_ERROR;
|
|
|
530 }
|
|
|
531
|
|
122
|
532 fmt->name.len = sizeof("combined") - 1;
|
|
|
533 fmt->name.data = (u_char *) "combined";
|
|
118
|
534
|
|
122
|
535 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
|
536 if (fmt->ops == NULL) {
|
|
118
|
537 return NGX_CONF_ERROR;
|
|
|
538 }
|
|
|
539
|
|
|
540 return conf;
|
|
|
541 }
|
|
|
542
|
|
|
543
|
|
|
544 static void *
|
|
|
545 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
546 {
|
|
|
547 ngx_http_log_loc_conf_t *conf;
|
|
|
548
|
|
|
549 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
550 if (conf == NULL) {
|
|
|
551 return NGX_CONF_ERROR;
|
|
|
552 }
|
|
|
553
|
|
|
554 return conf;
|
|
|
555 }
|
|
|
556
|
|
|
557
|
|
|
558 static char *
|
|
|
559 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
560 {
|
|
|
561 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
562 ngx_http_log_loc_conf_t *conf = child;
|
|
|
563
|
|
|
564 ngx_http_log_t *log;
|
|
|
565 ngx_http_log_fmt_t *fmt;
|
|
|
566 ngx_http_log_main_conf_t *lmcf;
|
|
|
567
|
|
278
|
568 if (conf->logs || conf->off) {
|
|
|
569 return NGX_CONF_OK;
|
|
|
570 }
|
|
118
|
571
|
|
278
|
572 *conf = *prev;
|
|
118
|
573
|
|
278
|
574 if (conf->logs || conf->off) {
|
|
|
575 return NGX_CONF_OK;
|
|
|
576 }
|
|
118
|
577
|
|
278
|
578 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
579 if (conf->logs == NULL) {
|
|
|
580 return NGX_CONF_ERROR;
|
|
|
581 }
|
|
118
|
582
|
|
278
|
583 log = ngx_array_push(conf->logs);
|
|
|
584 if (log == NULL) {
|
|
|
585 return NGX_CONF_ERROR;
|
|
|
586 }
|
|
118
|
587
|
|
278
|
588 log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log);
|
|
|
589 if (log->file == NULL) {
|
|
|
590 return NGX_CONF_ERROR;
|
|
|
591 }
|
|
118
|
592
|
|
278
|
593 log->disk_full_time = 0;
|
|
|
594 log->error_log_time = 0;
|
|
118
|
595
|
|
278
|
596 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
597 fmt = lmcf->formats.elts;
|
|
|
598
|
|
|
599 /* the default "combined" format */
|
|
|
600 log->ops = fmt[0].ops;
|
|
|
601 lmcf->combined_used = 1;
|
|
118
|
602
|
|
|
603 return NGX_CONF_OK;
|
|
|
604 }
|
|
|
605
|
|
|
606
|
|
|
607 static char *
|
|
|
608 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
609 {
|
|
|
610 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
611
|
|
120
|
612 ssize_t buf;
|
|
118
|
613 ngx_uint_t i;
|
|
|
614 ngx_str_t *value, name;
|
|
|
615 ngx_http_log_t *log;
|
|
|
616 ngx_http_log_fmt_t *fmt;
|
|
|
617 ngx_http_log_main_conf_t *lmcf;
|
|
|
618
|
|
|
619 value = cf->args->elts;
|
|
|
620
|
|
|
621 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
622 llcf->off = 1;
|
|
|
623 return NGX_CONF_OK;
|
|
|
624 }
|
|
|
625
|
|
|
626 if (llcf->logs == NULL) {
|
|
|
627 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
628 if (llcf->logs == NULL) {
|
|
|
629 return NGX_CONF_ERROR;
|
|
|
630 }
|
|
|
631 }
|
|
|
632
|
|
|
633 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
634
|
|
|
635 log = ngx_array_push(llcf->logs);
|
|
|
636 if (log == NULL) {
|
|
|
637 return NGX_CONF_ERROR;
|
|
|
638 }
|
|
|
639
|
|
|
640 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
641 if (log->file == NULL) {
|
|
|
642 return NGX_CONF_ERROR;
|
|
|
643 }
|
|
|
644
|
|
182
|
645 log->disk_full_time = 0;
|
|
278
|
646 log->error_log_time = 0;
|
|
182
|
647
|
|
120
|
648 if (cf->args->nelts >= 3) {
|
|
118
|
649 name = value[2];
|
|
130
|
650
|
|
|
651 if (ngx_strcmp(name.data, "combined") == 0) {
|
|
|
652 lmcf->combined_used = 1;
|
|
|
653 }
|
|
|
654
|
|
118
|
655 } else {
|
|
|
656 name.len = sizeof("combined") - 1;
|
|
|
657 name.data = (u_char *) "combined";
|
|
122
|
658 lmcf->combined_used = 1;
|
|
118
|
659 }
|
|
|
660
|
|
|
661 fmt = lmcf->formats.elts;
|
|
|
662 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
663 if (fmt[i].name.len == name.len
|
|
|
664 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
665 {
|
|
|
666 log->ops = fmt[i].ops;
|
|
120
|
667 goto buffer;
|
|
118
|
668 }
|
|
|
669 }
|
|
|
670
|
|
|
671 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
672 "unknown log format \"%V\"", &name);
|
|
120
|
673 return NGX_CONF_ERROR;
|
|
118
|
674
|
|
120
|
675 buffer:
|
|
|
676
|
|
|
677 if (cf->args->nelts == 4) {
|
|
|
678 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) {
|
|
|
679 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
680 "invalid parameter \"%V\"", &value[3]);
|
|
|
681 return NGX_CONF_ERROR;
|
|
|
682 }
|
|
|
683
|
|
|
684 name.len = value[3].len - 7;
|
|
|
685 name.data = value[3].data + 7;
|
|
|
686
|
|
|
687 buf = ngx_parse_size(&name);
|
|
|
688
|
|
|
689 if (buf == NGX_ERROR) {
|
|
|
690 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
691 "invalid parameter \"%V\"", &value[3]);
|
|
|
692 return NGX_CONF_ERROR;
|
|
|
693 }
|
|
|
694
|
|
|
695 if (log->file->buffer && log->file->last - log->file->pos != buf) {
|
|
|
696 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
697 "access_log \"%V\" already defined "
|
|
|
698 "with different buffer size", &value[1]);
|
|
|
699 return NGX_CONF_ERROR;
|
|
|
700 }
|
|
|
701
|
|
|
702 log->file->buffer = ngx_palloc(cf->pool, buf);
|
|
|
703 if (log->file->buffer == NULL) {
|
|
|
704 return NGX_CONF_ERROR;
|
|
|
705 }
|
|
|
706
|
|
|
707 log->file->pos = log->file->buffer;
|
|
|
708 log->file->last = log->file->buffer + buf;
|
|
|
709 }
|
|
|
710
|
|
|
711 return NGX_CONF_OK;
|
|
118
|
712 }
|
|
|
713
|
|
|
714
|
|
|
715 static char *
|
|
|
716 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
717 {
|
|
|
718 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
719
|
|
122
|
720 ngx_str_t *value;
|
|
|
721 ngx_uint_t i;
|
|
|
722 ngx_http_log_fmt_t *fmt;
|
|
118
|
723
|
|
|
724 value = cf->args->elts;
|
|
|
725
|
|
|
726 fmt = lmcf->formats.elts;
|
|
122
|
727 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
728 if (fmt[i].name.len == value[1].len
|
|
|
729 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0)
|
|
118
|
730 {
|
|
|
731 return "duplicate \"log_format\" name";
|
|
|
732 }
|
|
|
733 }
|
|
|
734
|
|
|
735 fmt = ngx_array_push(&lmcf->formats);
|
|
|
736 if (fmt == NULL) {
|
|
|
737 return NGX_CONF_ERROR;
|
|
|
738 }
|
|
|
739
|
|
|
740 fmt->name = value[1];
|
|
|
741
|
|
122
|
742 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t));
|
|
118
|
743 if (fmt->ops == NULL) {
|
|
|
744 return NGX_CONF_ERROR;
|
|
|
745 }
|
|
|
746
|
|
122
|
747 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2);
|
|
|
748 }
|
|
|
749
|
|
118
|
750
|
|
122
|
751 static char *
|
|
|
752 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
|
753 ngx_array_t *args, ngx_uint_t s)
|
|
|
754 {
|
|
260
|
755 u_char *data, *p, ch;
|
|
|
756 size_t i, len;
|
|
|
757 ngx_str_t *value, var;
|
|
|
758 ngx_uint_t bracket;
|
|
|
759 ngx_http_log_op_t *op;
|
|
|
760 ngx_http_log_var_t *v;
|
|
122
|
761
|
|
|
762 value = args->elts;
|
|
|
763
|
|
|
764 for ( /* void */ ; s < args->nelts; s++) {
|
|
118
|
765
|
|
260
|
766 for (i = 0; i < value[s].len; i++) {
|
|
|
767 if (value[s].data[i] != '%') {
|
|
|
768 continue;
|
|
|
769 }
|
|
|
770
|
|
|
771 ch = value[s].data[i + 1];
|
|
|
772
|
|
|
773 if ((ch >= 'A' && ch <= 'Z')
|
|
|
774 || (ch >= 'a' && ch <= 'z')
|
|
|
775 || ch == '{')
|
|
|
776 {
|
|
|
777 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
778 "the parameters in the \"%%name\" form are not supported, "
|
|
|
779 "use the \"$variable\" instead");
|
|
|
780
|
|
|
781 return NGX_CONF_ERROR;
|
|
|
782 }
|
|
|
783 }
|
|
|
784
|
|
118
|
785 i = 0;
|
|
|
786
|
|
|
787 while (i < value[s].len) {
|
|
|
788
|
|
122
|
789 op = ngx_array_push(ops);
|
|
118
|
790 if (op == NULL) {
|
|
|
791 return NGX_CONF_ERROR;
|
|
|
792 }
|
|
|
793
|
|
|
794 data = &value[s].data[i];
|
|
|
795
|
|
260
|
796 if (value[s].data[i] == '$') {
|
|
118
|
797
|
|
|
798 if (++i == value[s].len) {
|
|
|
799 goto invalid;
|
|
|
800 }
|
|
|
801
|
|
|
802 if (value[s].data[i] == '{') {
|
|
|
803 bracket = 1;
|
|
|
804
|
|
|
805 if (++i == value[s].len) {
|
|
|
806 goto invalid;
|
|
|
807 }
|
|
|
808
|
|
|
809 var.data = &value[s].data[i];
|
|
|
810
|
|
|
811 } else {
|
|
|
812 bracket = 0;
|
|
|
813 var.data = &value[s].data[i];
|
|
|
814 }
|
|
|
815
|
|
|
816 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
817 ch = value[s].data[i];
|
|
|
818
|
|
|
819 if (ch == '}' && bracket) {
|
|
|
820 i++;
|
|
|
821 bracket = 0;
|
|
|
822 break;
|
|
|
823 }
|
|
|
824
|
|
|
825 if ((ch >= 'A' && ch <= 'Z')
|
|
|
826 || (ch >= 'a' && ch <= 'z')
|
|
|
827 || (ch >= '0' && ch <= '9')
|
|
|
828 || ch == '_')
|
|
|
829 {
|
|
|
830 continue;
|
|
|
831 }
|
|
|
832
|
|
|
833 break;
|
|
|
834 }
|
|
|
835
|
|
|
836 if (bracket) {
|
|
|
837 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
838 "the closing bracket in \"%V\" "
|
|
|
839 "variable is missing", &var);
|
|
|
840 return NGX_CONF_ERROR;
|
|
|
841 }
|
|
|
842
|
|
|
843 if (var.len == 0) {
|
|
|
844 goto invalid;
|
|
|
845 }
|
|
|
846
|
|
126
|
847 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) {
|
|
|
848 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
849 "use \"$body_bytes_sent\" instead of "
|
|
|
850 "\"$apache_bytes_sent\"");
|
|
|
851 }
|
|
|
852
|
|
122
|
853 for (v = ngx_http_log_vars; v->name.len; v++) {
|
|
|
854
|
|
|
855 if (v->name.len == var.len
|
|
|
856 && ngx_strncmp(v->name.data, var.data, var.len) == 0)
|
|
|
857 {
|
|
|
858 op->len = v->len;
|
|
|
859 op->getlen = NULL;
|
|
|
860 op->run = v->run;
|
|
|
861 op->data = 0;
|
|
|
862
|
|
|
863 goto found;
|
|
|
864 }
|
|
|
865 }
|
|
|
866
|
|
118
|
867 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
868 return NGX_CONF_ERROR;
|
|
|
869 }
|
|
|
870
|
|
122
|
871 found:
|
|
|
872
|
|
|
873 continue;
|
|
|
874 }
|
|
|
875
|
|
|
876 i++;
|
|
118
|
877
|
|
260
|
878 while (i < value[s].len && value[s].data[i] != '$') {
|
|
122
|
879 i++;
|
|
|
880 }
|
|
118
|
881
|
|
122
|
882 len = &value[s].data[i] - data;
|
|
118
|
883
|
|
122
|
884 if (len) {
|
|
118
|
885
|
|
122
|
886 op->len = len;
|
|
|
887 op->getlen = NULL;
|
|
118
|
888
|
|
122
|
889 if (len <= sizeof(uintptr_t)) {
|
|
|
890 op->run = ngx_http_log_copy_short;
|
|
|
891 op->data = 0;
|
|
118
|
892
|
|
122
|
893 while (len--) {
|
|
|
894 op->data <<= 8;
|
|
|
895 op->data |= data[len];
|
|
|
896 }
|
|
|
897
|
|
|
898 } else {
|
|
|
899 op->run = ngx_http_log_copy_long;
|
|
118
|
900
|
|
122
|
901 p = ngx_palloc(cf->pool, len);
|
|
|
902 if (p == NULL) {
|
|
|
903 return NGX_CONF_ERROR;
|
|
|
904 }
|
|
118
|
905
|
|
122
|
906 ngx_memcpy(p, data, len);
|
|
|
907 op->data = (uintptr_t) p;
|
|
118
|
908 }
|
|
|
909 }
|
|
|
910 }
|
|
|
911 }
|
|
|
912
|
|
|
913 return NGX_CONF_OK;
|
|
|
914
|
|
|
915 invalid:
|
|
|
916
|
|
|
917 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
918
|
|
|
919 return NGX_CONF_ERROR;
|
|
|
920 }
|
|
|
921
|
|
|
922
|
|
|
923 static ngx_int_t
|
|
122
|
924 ngx_http_log_init(ngx_conf_t *cf)
|
|
118
|
925 {
|
|
122
|
926 ngx_str_t *value;
|
|
|
927 ngx_array_t a;
|
|
130
|
928 ngx_http_handler_pt *h;
|
|
122
|
929 ngx_http_log_fmt_t *fmt;
|
|
|
930 ngx_http_log_main_conf_t *lmcf;
|
|
118
|
931 ngx_http_core_main_conf_t *cmcf;
|
|
|
932
|
|
122
|
933 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
934
|
|
|
935 if (lmcf->combined_used) {
|
|
|
936 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) {
|
|
|
937 return NGX_ERROR;
|
|
|
938 }
|
|
|
939
|
|
|
940 value = ngx_array_push(&a);
|
|
|
941 if (value == NULL) {
|
|
|
942 return NGX_ERROR;
|
|
|
943 }
|
|
|
944
|
|
|
945 *value = ngx_http_combined_fmt;
|
|
|
946 fmt = lmcf->formats.elts;
|
|
|
947
|
|
|
948 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0)
|
|
|
949 != NGX_CONF_OK)
|
|
|
950 {
|
|
|
951 return NGX_ERROR;
|
|
|
952 }
|
|
|
953 }
|
|
|
954
|
|
|
955 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
118
|
956
|
|
130
|
957 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers);
|
|
|
958 if (h == NULL) {
|
|
|
959 return NGX_ERROR;
|
|
|
960 }
|
|
|
961
|
|
|
962 *h = ngx_http_log_handler;
|
|
118
|
963
|
|
|
964 return NGX_OK;
|
|
|
965 }
|
