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0
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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 <ngx_http_proxy_handler.h>
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11
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12
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13 static ngx_int_t ngx_http_proxy_handler(ngx_http_request_t *r);
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50
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14 #if 0
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26
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15 static ngx_int_t ngx_http_proxy_cache_get(ngx_http_proxy_ctx_t *p);
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50
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16 #endif
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0
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17
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28
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18 static size_t ngx_http_proxy_log_proxy_state_getlen(ngx_http_request_t *r,
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19 uintptr_t data);
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0
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20 static u_char *ngx_http_proxy_log_proxy_state(ngx_http_request_t *r,
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28
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21 u_char *buf,
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22 ngx_http_log_op_t *op);
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23
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24 #if 0
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0
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25 static u_char *ngx_http_proxy_log_cache_state(ngx_http_request_t *r,
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26 u_char *buf, uintptr_t data);
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27 static u_char *ngx_http_proxy_log_reason(ngx_http_request_t *r, u_char *buf,
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28 uintptr_t data);
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28
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29 #endif
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0
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30
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28
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31 static ngx_int_t ngx_http_proxy_add_log_formats(ngx_conf_t *cf);
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0
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32 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
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33 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
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34 void *parent, void *child);
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35
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36 static char *ngx_http_proxy_set_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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37 void *conf);
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38
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34
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39 static char *ngx_http_proxy_set_x_var(ngx_conf_t *cf, ngx_command_t *cmd,
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40 void *conf);
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2
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41 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data);
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42
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43 static ngx_conf_post_t ngx_http_proxy_lowat_post =
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44 { ngx_http_proxy_lowat_check } ;
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45
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0
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46
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47 static ngx_conf_bitmask_t next_upstream_masks[] = {
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48 { ngx_string("error"), NGX_HTTP_PROXY_FT_ERROR },
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49 { ngx_string("timeout"), NGX_HTTP_PROXY_FT_TIMEOUT },
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50 { ngx_string("invalid_header"), NGX_HTTP_PROXY_FT_INVALID_HEADER },
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51 { ngx_string("http_500"), NGX_HTTP_PROXY_FT_HTTP_500 },
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52 { ngx_string("http_404"), NGX_HTTP_PROXY_FT_HTTP_404 },
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53 { ngx_null_string, 0 }
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54 };
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55
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56
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57 static ngx_conf_bitmask_t use_stale_masks[] = {
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58 { ngx_string("error"), NGX_HTTP_PROXY_FT_ERROR },
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59 { ngx_string("timeout"), NGX_HTTP_PROXY_FT_TIMEOUT },
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60 { ngx_string("invalid_header"), NGX_HTTP_PROXY_FT_INVALID_HEADER },
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61 { ngx_string("http_500"), NGX_HTTP_PROXY_FT_HTTP_500 },
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62 { ngx_string("busy_lock"), NGX_HTTP_PROXY_FT_BUSY_LOCK },
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63 { ngx_string("max_waiting"), NGX_HTTP_PROXY_FT_MAX_WAITING },
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64 { ngx_null_string, 0 }
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65 };
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66
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67
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68 static ngx_conf_num_bounds_t ngx_http_proxy_lm_factor_bounds = {
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69 ngx_conf_check_num_bounds, 0, 100
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70 };
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71
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72
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73 static ngx_command_t ngx_http_proxy_commands[] = {
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74
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75 { ngx_string("proxy_pass"),
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76 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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77 ngx_http_proxy_set_pass,
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78 NGX_HTTP_LOC_CONF_OFFSET,
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79 0,
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80 NULL },
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81
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82 { ngx_string("proxy_connect_timeout"),
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83 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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84 ngx_conf_set_msec_slot,
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85 NGX_HTTP_LOC_CONF_OFFSET,
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86 offsetof(ngx_http_proxy_loc_conf_t, connect_timeout),
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87 NULL },
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88
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89 { ngx_string("proxy_send_timeout"),
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90 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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91 ngx_conf_set_msec_slot,
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92 NGX_HTTP_LOC_CONF_OFFSET,
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93 offsetof(ngx_http_proxy_loc_conf_t, send_timeout),
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94 NULL },
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95
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2
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96 { ngx_string("proxy_send_lowat"),
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97 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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98 ngx_conf_set_size_slot,
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99 NGX_HTTP_LOC_CONF_OFFSET,
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100 offsetof(ngx_http_proxy_loc_conf_t, send_lowat),
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101 &ngx_http_proxy_lowat_post },
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102
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0
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103 { ngx_string("proxy_preserve_host"),
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104 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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105 ngx_conf_set_flag_slot,
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106 NGX_HTTP_LOC_CONF_OFFSET,
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107 offsetof(ngx_http_proxy_loc_conf_t, preserve_host),
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108 NULL },
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109
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6
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110 { ngx_string("proxy_set_x_url"),
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111 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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112 ngx_conf_set_flag_slot,
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113 NGX_HTTP_LOC_CONF_OFFSET,
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114 offsetof(ngx_http_proxy_loc_conf_t, set_x_url),
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115 NULL },
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116
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0
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117 { ngx_string("proxy_set_x_real_ip"),
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118 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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119 ngx_conf_set_flag_slot,
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120 NGX_HTTP_LOC_CONF_OFFSET,
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121 offsetof(ngx_http_proxy_loc_conf_t, set_x_real_ip),
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122 NULL },
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123
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34
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124 { ngx_string("proxy_set_x_var"),
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125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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126 ngx_http_proxy_set_x_var,
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127 NGX_HTTP_LOC_CONF_OFFSET,
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128 0,
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129 NULL },
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130
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0
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131 { ngx_string("proxy_add_x_forwarded_for"),
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132 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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133 ngx_conf_set_flag_slot,
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134 NGX_HTTP_LOC_CONF_OFFSET,
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135 offsetof(ngx_http_proxy_loc_conf_t, add_x_forwarded_for),
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136 NULL },
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137
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138 { ngx_string("proxy_header_buffer_size"),
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139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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140 ngx_conf_set_size_slot,
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141 NGX_HTTP_LOC_CONF_OFFSET,
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142 offsetof(ngx_http_proxy_loc_conf_t, header_buffer_size),
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143 NULL },
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144
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145 { ngx_string("proxy_read_timeout"),
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146 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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147 ngx_conf_set_msec_slot,
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148 NGX_HTTP_LOC_CONF_OFFSET,
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149 offsetof(ngx_http_proxy_loc_conf_t, read_timeout),
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150 NULL },
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151
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152 { ngx_string("proxy_buffers"),
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153 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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154 ngx_conf_set_bufs_slot,
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155 NGX_HTTP_LOC_CONF_OFFSET,
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156 offsetof(ngx_http_proxy_loc_conf_t, bufs),
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157 NULL },
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158
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159 { ngx_string("proxy_busy_buffers_size"),
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160 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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161 ngx_conf_set_size_slot,
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162 NGX_HTTP_LOC_CONF_OFFSET,
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163 offsetof(ngx_http_proxy_loc_conf_t, busy_buffers_size),
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164 NULL },
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165
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26
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166 #if 0
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0
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167
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168 { ngx_string("proxy_cache_path"),
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169 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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170 ngx_conf_set_path_slot,
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171 NGX_HTTP_LOC_CONF_OFFSET,
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172 offsetof(ngx_http_proxy_loc_conf_t, cache_path),
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26
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173 (void *) ngx_http_cache_cleaner_handler },
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0
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174
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175 #endif
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176
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177 { ngx_string("proxy_temp_path"),
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178 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
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179 ngx_conf_set_path_slot,
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180 NGX_HTTP_LOC_CONF_OFFSET,
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181 offsetof(ngx_http_proxy_loc_conf_t, temp_path),
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182 (void *) ngx_garbage_collector_temp_handler },
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183
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16
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184 { ngx_string("proxy_max_temp_file_size"),
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185 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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186 ngx_conf_set_size_slot,
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187 NGX_HTTP_LOC_CONF_OFFSET,
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188 offsetof(ngx_http_proxy_loc_conf_t, max_temp_file_size),
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189 NULL },
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190
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0
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191 { ngx_string("proxy_temp_file_write_size"),
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192 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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193 ngx_conf_set_size_slot,
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194 NGX_HTTP_LOC_CONF_OFFSET,
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195 offsetof(ngx_http_proxy_loc_conf_t, temp_file_write_size),
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196 NULL },
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197
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198 { ngx_string("proxy_cache"),
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199 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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200 ngx_conf_set_flag_slot,
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201 NGX_HTTP_LOC_CONF_OFFSET,
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202 offsetof(ngx_http_proxy_loc_conf_t, cache),
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203 NULL },
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204
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205
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206 { ngx_string("proxy_busy_lock"),
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207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE13,
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208 ngx_http_set_busy_lock_slot,
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209 NGX_HTTP_LOC_CONF_OFFSET,
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210 offsetof(ngx_http_proxy_loc_conf_t, busy_lock),
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211 NULL },
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212
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213
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214 { ngx_string("proxy_pass_server"),
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215 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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216 ngx_conf_set_flag_slot,
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217 NGX_HTTP_LOC_CONF_OFFSET,
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218 offsetof(ngx_http_proxy_loc_conf_t, pass_server),
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219 NULL },
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220
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221 { ngx_string("proxy_pass_x_accel_expires"),
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222 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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223 ngx_conf_set_flag_slot,
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224 NGX_HTTP_LOC_CONF_OFFSET,
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225 offsetof(ngx_http_proxy_loc_conf_t, pass_x_accel_expires),
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226 NULL },
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227
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228 { ngx_string("proxy_ignore_expires"),
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229 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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230 ngx_conf_set_flag_slot,
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231 NGX_HTTP_LOC_CONF_OFFSET,
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232 offsetof(ngx_http_proxy_loc_conf_t, ignore_expires),
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233 NULL },
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234
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235 { ngx_string("proxy_lm_factor"),
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236 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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237 ngx_conf_set_num_slot,
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238 NGX_HTTP_LOC_CONF_OFFSET,
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239 offsetof(ngx_http_proxy_loc_conf_t, lm_factor),
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240 &ngx_http_proxy_lm_factor_bounds },
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241
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242 { ngx_string("proxy_default_expires"),
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243 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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244 ngx_conf_set_sec_slot,
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245 NGX_HTTP_LOC_CONF_OFFSET,
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246 offsetof(ngx_http_proxy_loc_conf_t, default_expires),
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247 NULL },
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248
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249 { ngx_string("proxy_next_upstream"),
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250 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
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251 ngx_conf_set_bitmask_slot,
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252 NGX_HTTP_LOC_CONF_OFFSET,
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253 offsetof(ngx_http_proxy_loc_conf_t, next_upstream),
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254 &next_upstream_masks },
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255
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256 { ngx_string("proxy_use_stale"),
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257 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_ANY,
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258 ngx_conf_set_bitmask_slot,
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259 NGX_HTTP_LOC_CONF_OFFSET,
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260 offsetof(ngx_http_proxy_loc_conf_t, use_stale),
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261 &use_stale_masks },
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262
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263 ngx_null_command
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264 };
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265
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266
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267 ngx_http_module_t ngx_http_proxy_module_ctx = {
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28
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268 ngx_http_proxy_add_log_formats, /* pre conf */
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0
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269
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270 NULL, /* create main configuration */
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271 NULL, /* init main configuration */
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272
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273 NULL, /* create server configuration */
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274 NULL, /* merge server configuration */
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275
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276 ngx_http_proxy_create_loc_conf, /* create location configration */
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277 ngx_http_proxy_merge_loc_conf /* merge location configration */
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278 };
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279
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280
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281 ngx_module_t ngx_http_proxy_module = {
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282 NGX_MODULE,
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283 &ngx_http_proxy_module_ctx, /* module context */
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284 ngx_http_proxy_commands, /* module directives */
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285 NGX_HTTP_MODULE, /* module type */
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286 NULL, /* init module */
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28
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287 NULL /* init process */
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0
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288 };
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289
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290
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291
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292 static ngx_http_log_op_name_t ngx_http_proxy_log_fmt_ops[] = {
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28
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293 { ngx_string("proxy"), 0, NULL,
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294 ngx_http_proxy_log_proxy_state_getlen,
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295 ngx_http_proxy_log_proxy_state },
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296
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297 #if 0
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22
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298 { ngx_string("proxy_cache_state"), 0, ngx_http_proxy_log_cache_state },
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299 { ngx_string("proxy_reason"), 0, ngx_http_proxy_log_reason },
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28
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300 #endif
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301
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302 { ngx_null_string, 0, NULL, NULL, NULL }
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0
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303 };
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304
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305
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306
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307 ngx_http_header_t ngx_http_proxy_headers_in[] = {
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308 { ngx_string("Date"), offsetof(ngx_http_proxy_headers_in_t, date) },
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309 { ngx_string("Server"), offsetof(ngx_http_proxy_headers_in_t, server) },
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310
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311 { ngx_string("Expires"), offsetof(ngx_http_proxy_headers_in_t, expires) },
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312 { ngx_string("Cache-Control"),
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313 offsetof(ngx_http_proxy_headers_in_t, cache_control) },
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314 { ngx_string("ETag"), offsetof(ngx_http_proxy_headers_in_t, etag) },
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315 { ngx_string("X-Accel-Expires"),
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316 offsetof(ngx_http_proxy_headers_in_t, x_accel_expires) },
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317
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318 { ngx_string("Connection"),
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319 offsetof(ngx_http_proxy_headers_in_t, connection) },
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320 { ngx_string("Content-Type"),
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321 offsetof(ngx_http_proxy_headers_in_t, content_type) },
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322 { ngx_string("Content-Length"),
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323 offsetof(ngx_http_proxy_headers_in_t, content_length) },
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28
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324
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325 #if (NGX_HTTP_GZIP)
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4
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326 { ngx_string("Content-Encoding"),
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327 offsetof(ngx_http_proxy_headers_in_t, content_encoding) },
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28
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328 #endif
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329
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0
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330 { ngx_string("Last-Modified"),
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331 offsetof(ngx_http_proxy_headers_in_t, last_modified) },
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332 { ngx_string("Location"),
|
|
|
333 offsetof(ngx_http_proxy_headers_in_t, location) },
|
|
|
334 { ngx_string("Accept-Ranges"),
|
|
|
335 offsetof(ngx_http_proxy_headers_in_t, accept_ranges) },
|
|
|
336 { ngx_string("X-Pad"), offsetof(ngx_http_proxy_headers_in_t, x_pad) },
|
|
|
337
|
|
|
338 { ngx_null_string, 0 }
|
|
|
339 };
|
|
|
340
|
|
|
341
|
|
|
342 static ngx_str_t cache_states[] = {
|
|
|
343 ngx_string("PASS"),
|
|
|
344 ngx_string("BYPASS"),
|
|
|
345 ngx_string("AUTH"),
|
|
|
346 ngx_string("PGNC"),
|
|
|
347 ngx_string("MISS"),
|
|
|
348 ngx_string("EXPR"),
|
|
|
349 ngx_string("AGED"),
|
|
|
350 ngx_string("HIT")
|
|
|
351 };
|
|
|
352
|
|
|
353
|
|
|
354 static ngx_str_t cache_reasons[] = {
|
|
|
355 ngx_string("BPS"),
|
|
|
356 ngx_string("XAE"),
|
|
|
357 ngx_string("CTL"),
|
|
|
358 ngx_string("EXP"),
|
|
|
359 ngx_string("MVD"),
|
|
|
360 ngx_string("LMF"),
|
|
|
361 ngx_string("PDE")
|
|
|
362 };
|
|
|
363
|
|
|
364
|
|
50
|
365 static ngx_str_t ngx_http_proxy_uri = ngx_string("/");
|
|
|
366
|
|
|
367
|
|
0
|
368 static ngx_int_t ngx_http_proxy_handler(ngx_http_request_t *r)
|
|
|
369 {
|
|
|
370 ngx_http_proxy_ctx_t *p;
|
|
|
371
|
|
50
|
372 p = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t));
|
|
|
373 if (p == NULL) {
|
|
|
374 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
375 }
|
|
|
376
|
|
|
377 ngx_http_set_ctx(r, p, ngx_http_proxy_module);
|
|
|
378
|
|
0
|
379
|
|
|
380 p->lcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
|
|
|
381 p->request = r;
|
|
|
382
|
|
|
383 /* TODO: we currently support reverse proxy only */
|
|
|
384 p->accel = 1;
|
|
|
385
|
|
26
|
386 if (ngx_array_init(&p->states, r->pool, p->lcf->peers->number,
|
|
|
387 sizeof(ngx_http_proxy_state_t)) == NGX_ERROR)
|
|
|
388 {
|
|
|
389 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
390 }
|
|
0
|
391
|
|
50
|
392 p->state = ngx_array_push(&p->states);
|
|
|
393 if (p->state == NULL) {
|
|
0
|
394 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
395 }
|
|
|
396
|
|
|
397 ngx_memzero(p->state, sizeof(ngx_http_proxy_state_t));
|
|
|
398
|
|
26
|
399 #if 0
|
|
0
|
400
|
|
|
401 if (!p->lcf->cache
|
|
|
402 || (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD))
|
|
|
403 {
|
|
|
404 p->state->cache_state = NGX_HTTP_PROXY_CACHE_PASS;
|
|
|
405
|
|
|
406 } else if (r->bypass_cache) {
|
|
|
407 p->state->cache_state = NGX_HTTP_PROXY_CACHE_BYPASS;
|
|
|
408
|
|
|
409 } else if (r->headers_in.authorization) {
|
|
|
410 p->state->cache_state = NGX_HTTP_PROXY_CACHE_AUTH;
|
|
|
411
|
|
|
412 } else if (r->no_cache) {
|
|
|
413 p->state->cache_state = NGX_HTTP_PROXY_CACHE_PGNC;
|
|
|
414 p->cachable = 1;
|
|
|
415
|
|
|
416 } else {
|
|
|
417 p->cachable = 1;
|
|
|
418 }
|
|
|
419
|
|
|
420
|
|
|
421 if (p->state->cache_state != 0) {
|
|
|
422 return ngx_http_proxy_request_upstream(p);
|
|
|
423 }
|
|
|
424
|
|
26
|
425 return ngx_http_proxy_cache_get(p);
|
|
0
|
426
|
|
|
427 #else
|
|
|
428
|
|
|
429 p->state->cache_state = NGX_HTTP_PROXY_CACHE_PASS;
|
|
|
430
|
|
|
431 return ngx_http_proxy_request_upstream(p);
|
|
|
432
|
|
|
433 #endif
|
|
|
434 }
|
|
|
435
|
|
|
436
|
|
26
|
437 #if 0
|
|
|
438
|
|
|
439 static ngx_int_t ngx_http_proxy_cache_get(ngx_http_proxy_ctx_t *p)
|
|
|
440 {
|
|
|
441 u_char *last;
|
|
|
442 ngx_http_request_t *r;
|
|
|
443 ngx_http_cache_ctx_t ctx;
|
|
|
444 ngx_http_proxy_upstream_conf_t *u;
|
|
|
445
|
|
|
446 r = p->request;
|
|
|
447 u = p->lcf->upstream;
|
|
|
448
|
|
|
449 ctx.key.len = u->url.len + r->uri.len - u->location->len + r->args.len;
|
|
50
|
450 ctx.key.data = ngx_palloc(r->pool, ctx.key.len);
|
|
|
451 if (ctx.key.data == NULL) {
|
|
26
|
452 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
453 }
|
|
|
454
|
|
|
455 last = ngx_cpymem(ctx.key.data, u->url.data, u->url.len);
|
|
|
456
|
|
|
457 last = ngx_cpymem(last, r->uri.data + u->location->len,
|
|
|
458 r->uri.len - u->location->len);
|
|
|
459
|
|
|
460 if (r->args.len > 0) {
|
|
|
461 *(last++) = '?';
|
|
|
462 last = ngx_cpymem(last, r->args.data, r->args.len);
|
|
|
463 }
|
|
|
464
|
|
|
465 p->header_in = ngx_create_temp_buf(r->pool, p->lcf->header_buffer_size);
|
|
|
466 if (p->header_in == NULL) {
|
|
|
467 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
|
468 }
|
|
|
469 p->header_in->tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
|
|
|
470
|
|
|
471 ctx.buf = p->header_in;
|
|
|
472 ctx.path = p->lcf->cache_path;
|
|
|
473 ctx.file = 1;
|
|
|
474 ctx.primary = 1;
|
|
|
475
|
|
|
476 ngx_http_cache_get(r, &ctx);
|
|
|
477
|
|
|
478 return ngx_http_proxy_request_upstream(p);
|
|
|
479 }
|
|
|
480
|
|
|
481 #endif
|
|
|
482
|
|
|
483
|
|
0
|
484 void ngx_http_proxy_check_broken_connection(ngx_event_t *ev)
|
|
|
485 {
|
|
|
486 int n;
|
|
|
487 char buf[1];
|
|
|
488 ngx_err_t err;
|
|
|
489 ngx_connection_t *c;
|
|
|
490 ngx_http_request_t *r;
|
|
|
491 ngx_http_proxy_ctx_t *p;
|
|
|
492
|
|
|
493 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, 0,
|
|
|
494 "http proxy check client, write event:%d", ev->write);
|
|
|
495
|
|
18
|
496 #if (NGX_HAVE_KQUEUE)
|
|
0
|
497
|
|
4
|
498 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
0
|
499
|
|
|
500 if (!ev->pending_eof) {
|
|
|
501 return;
|
|
|
502 }
|
|
|
503
|
|
|
504 c = ev->data;
|
|
|
505 r = c->data;
|
|
|
506 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
507
|
|
|
508 ev->eof = 1;
|
|
|
509
|
|
|
510 if (ev->kq_errno) {
|
|
|
511 ev->error = 1;
|
|
|
512 }
|
|
|
513
|
|
|
514 if (!p->cachable && p->upstream->peer.connection) {
|
|
|
515 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno,
|
|
|
516 "kevent() reported that client closed "
|
|
|
517 "prematurely connection, "
|
|
|
518 "so upstream connection is closed too");
|
|
|
519 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
520 return;
|
|
|
521 }
|
|
|
522
|
|
|
523 ngx_log_error(NGX_LOG_INFO, ev->log, ev->kq_errno,
|
|
|
524 "kevent() reported that client closed "
|
|
|
525 "prematurely connection");
|
|
|
526
|
|
|
527 if (p->upstream == NULL || p->upstream->peer.connection == NULL) {
|
|
|
528 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
529 }
|
|
|
530
|
|
|
531 return;
|
|
|
532 }
|
|
|
533
|
|
|
534 #endif
|
|
|
535
|
|
|
536 c = ev->data;
|
|
|
537 r = c->data;
|
|
|
538 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
539
|
|
|
540 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
541
|
|
|
542 err = ngx_socket_errno;
|
|
|
543
|
|
|
544 /*
|
|
|
545 * we do not need to disable the write event because
|
|
|
546 * that event has NGX_USE_CLEAR_EVENT type
|
|
|
547 */
|
|
|
548
|
|
|
549 if (ev->write && (n >= 0 || err == NGX_EAGAIN)) {
|
|
|
550 return;
|
|
|
551 }
|
|
|
552
|
|
|
553 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) {
|
|
|
554 if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) {
|
|
|
555 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
556 }
|
|
|
557 }
|
|
|
558
|
|
|
559 if (n > 0) {
|
|
|
560 return;
|
|
|
561 }
|
|
|
562
|
|
|
563 ev->eof = 1;
|
|
|
564
|
|
|
565 if (n == -1) {
|
|
|
566 if (err == NGX_EAGAIN) {
|
|
|
567 return;
|
|
|
568 }
|
|
|
569
|
|
|
570 ev->error = 1;
|
|
|
571
|
|
|
572 } else {
|
|
|
573 /* n == 0 */
|
|
|
574 err = 0;
|
|
|
575 }
|
|
|
576
|
|
|
577 if (!p->cachable && p->upstream->peer.connection) {
|
|
|
578 ngx_log_error(NGX_LOG_INFO, ev->log, err,
|
|
|
579 "client closed prematurely connection, "
|
|
|
580 "so upstream connection is closed too");
|
|
|
581 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
582 return;
|
|
|
583 }
|
|
|
584
|
|
|
585 ngx_log_error(NGX_LOG_INFO, ev->log, err,
|
|
|
586 "client closed prematurely connection");
|
|
|
587
|
|
|
588 if (p->upstream == NULL || p->upstream->peer.connection == NULL) {
|
|
|
589 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
590 }
|
|
|
591 }
|
|
|
592
|
|
|
593
|
|
|
594 void ngx_http_proxy_busy_lock_handler(ngx_event_t *rev)
|
|
|
595 {
|
|
|
596 ngx_connection_t *c;
|
|
|
597 ngx_http_request_t *r;
|
|
|
598 ngx_http_proxy_ctx_t *p;
|
|
|
599
|
|
|
600 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, "http proxy busy lock");
|
|
|
601
|
|
|
602 c = rev->data;
|
|
|
603 r = c->data;
|
|
|
604 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
|
|
|
605 p->action = "waiting upstream in busy lock";
|
|
|
606
|
|
|
607 if (p->request->connection->write->eof) {
|
|
|
608 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
|
|
|
609 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
610 return;
|
|
|
611 }
|
|
|
612
|
|
|
613 if (rev->timedout) {
|
|
|
614 rev->timedout = 0;
|
|
|
615 p->busy_lock.time++;
|
|
|
616 p->state->bl_time = p->busy_lock.time;
|
|
|
617
|
|
|
618 #if (NGX_HTTP_FILE_CACHE)
|
|
|
619
|
|
|
620 if (p->state->cache_state < NGX_HTTP_PROXY_CACHE_MISS) {
|
|
|
621 ngx_http_proxy_upstream_busy_lock(p);
|
|
|
622
|
|
|
623 } else {
|
|
|
624 ngx_http_proxy_cache_busy_lock(p);
|
|
|
625 }
|
|
|
626 #else
|
|
|
627
|
|
|
628 ngx_http_proxy_upstream_busy_lock(p);
|
|
|
629
|
|
|
630 #endif
|
|
|
631
|
|
|
632 return;
|
|
|
633 }
|
|
|
634
|
|
|
635 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
636 "http proxy: client sent while busy lock");
|
|
|
637
|
|
|
638 /*
|
|
|
639 * TODO: kevent() notify about error, otherwise we need to
|
|
|
640 * call ngx_peek(): recv(MSG_PEEK) to get errno. THINK about aio.
|
|
|
641 * if there's no error we need to disable event.
|
|
|
642 */
|
|
|
643
|
|
|
644 #if 0
|
|
18
|
645 #if (NGX_HAVE_KQUEUE)
|
|
0
|
646
|
|
18
|
647 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && rev->kq_eof) {
|
|
0
|
648 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
|
|
|
649
|
|
|
650 ngx_del_timer(rev);
|
|
|
651
|
|
|
652 ngx_log_error(NGX_LOG_ERR, c->log, rev->kq_errno,
|
|
|
653 "client() closed connection");
|
|
|
654
|
|
|
655 if (ngx_del_event(rev, NGX_READ_EVENT, NGX_CLOSE_EVENT) == NGX_ERROR) {
|
|
|
656 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
657 return;
|
|
|
658 }
|
|
|
659
|
|
|
660 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
661 return;
|
|
|
662 }
|
|
|
663
|
|
|
664 #endif
|
|
|
665 #endif
|
|
|
666
|
|
|
667 }
|
|
|
668
|
|
|
669
|
|
|
670 void ngx_http_proxy_finalize_request(ngx_http_proxy_ctx_t *p, int rc)
|
|
|
671 {
|
|
|
672 ngx_http_request_t *r;
|
|
|
673
|
|
|
674 r = p->request;
|
|
|
675
|
|
|
676 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
677 "finalize http proxy request");
|
|
|
678
|
|
|
679 if (p->upstream && p->upstream->peer.connection) {
|
|
|
680 ngx_http_proxy_close_connection(p);
|
|
|
681 }
|
|
|
682
|
|
|
683 if (p->header_sent
|
|
|
684 && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE))
|
|
|
685 {
|
|
|
686 rc = 0;
|
|
|
687 }
|
|
|
688
|
|
|
689 if (p->saved_ctx) {
|
|
|
690 r->connection->log->data = p->saved_ctx;
|
|
|
691 r->connection->log->handler = p->saved_handler;
|
|
|
692 }
|
|
|
693
|
|
|
694 if (p->upstream && p->upstream->event_pipe) {
|
|
|
695 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
696 "http proxy temp fd: %d",
|
|
|
697 p->upstream->event_pipe->temp_file->file.fd);
|
|
|
698 }
|
|
|
699
|
|
|
700 if (p->cache) {
|
|
|
701 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
702 "http proxy cache fd: %d",
|
|
|
703 p->cache->ctx.file.fd);
|
|
|
704 }
|
|
|
705
|
|
|
706 if (p->upstream && p->upstream->event_pipe) {
|
|
|
707 r->file.fd = p->upstream->event_pipe->temp_file->file.fd;
|
|
|
708
|
|
|
709 } else if (p->cache) {
|
|
|
710 r->file.fd = p->cache->ctx.file.fd;
|
|
|
711 }
|
|
|
712
|
|
|
713 if (rc == 0 && r->main == NULL) {
|
|
|
714 rc = ngx_http_send_last(r);
|
|
|
715 }
|
|
|
716
|
|
|
717 ngx_http_finalize_request(r, rc);
|
|
|
718 }
|
|
|
719
|
|
|
720
|
|
|
721 void ngx_http_proxy_close_connection(ngx_http_proxy_ctx_t *p)
|
|
|
722 {
|
|
|
723 ngx_socket_t fd;
|
|
|
724 ngx_connection_t *c;
|
|
|
725
|
|
|
726 c = p->upstream->peer.connection;
|
|
|
727 p->upstream->peer.connection = NULL;
|
|
|
728
|
|
|
729 if (p->lcf->busy_lock) {
|
|
|
730 p->lcf->busy_lock->busy--;
|
|
|
731 }
|
|
|
732
|
|
|
733 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
734 "http proxy close connection: %d", c->fd);
|
|
|
735
|
|
|
736 if (c->fd == -1) {
|
|
|
737 #if 0
|
|
|
738 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "connection already closed");
|
|
|
739 #endif
|
|
|
740 return;
|
|
|
741 }
|
|
|
742
|
|
|
743 if (c->read->timer_set) {
|
|
|
744 ngx_del_timer(c->read);
|
|
|
745 }
|
|
|
746
|
|
|
747 if (c->write->timer_set) {
|
|
|
748 ngx_del_timer(c->write);
|
|
|
749 }
|
|
|
750
|
|
|
751 /* TODO: move connection to the connection pool */
|
|
|
752
|
|
|
753 if (ngx_del_conn) {
|
|
|
754 ngx_del_conn(c, NGX_CLOSE_EVENT);
|
|
|
755
|
|
|
756 } else {
|
|
|
757 if (c->read->active || c->read->disabled) {
|
|
|
758 ngx_del_event(c->read, NGX_READ_EVENT, NGX_CLOSE_EVENT);
|
|
|
759 }
|
|
|
760
|
|
|
761 if (c->write->active || c->read->disabled) {
|
|
|
762 ngx_del_event(c->write, NGX_WRITE_EVENT, NGX_CLOSE_EVENT);
|
|
|
763 }
|
|
|
764 }
|
|
|
765
|
|
|
766 /*
|
|
|
767 * we have to clean the connection information before the closing
|
|
|
768 * because another thread may reopen the same file descriptor
|
|
|
769 * before we clean the connection
|
|
|
770 */
|
|
|
771
|
|
|
772 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_OK) {
|
|
|
773
|
|
|
774 if (c->read->prev) {
|
|
|
775 ngx_delete_posted_event(c->read);
|
|
|
776 }
|
|
|
777
|
|
|
778 if (c->write->prev) {
|
|
|
779 ngx_delete_posted_event(c->write);
|
|
|
780 }
|
|
|
781
|
|
|
782 c->read->closed = 1;
|
|
|
783 c->write->closed = 1;
|
|
|
784
|
|
|
785 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
786 }
|
|
|
787
|
|
|
788 fd = c->fd;
|
|
|
789 c->fd = (ngx_socket_t) -1;
|
|
|
790 c->data = NULL;
|
|
|
791
|
|
|
792 if (ngx_close_socket(fd) == -1) {
|
|
|
793 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_socket_errno,
|
|
|
794 ngx_close_socket_n " failed");
|
|
|
795 }
|
|
|
796 }
|
|
|
797
|
|
|
798
|
|
32
|
799 u_char *ngx_http_proxy_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
800 {
|
|
10
|
801 u_char *p;
|
|
|
802 ngx_int_t escape;
|
|
|
803 ngx_str_t uri;
|
|
|
804 ngx_http_request_t *r;
|
|
|
805 ngx_peer_connection_t *peer;
|
|
32
|
806 ngx_http_proxy_log_ctx_t *ctx;
|
|
10
|
807 ngx_http_proxy_upstream_conf_t *uc;
|
|
0
|
808
|
|
32
|
809 ctx = log->data;
|
|
0
|
810 r = ctx->proxy->request;
|
|
10
|
811 uc = ctx->proxy->lcf->upstream;
|
|
0
|
812 peer = &ctx->proxy->upstream->peer;
|
|
|
813
|
|
10
|
814 p = ngx_snprintf(buf, len,
|
|
28
|
815 " while %s, client: %V, URL: %V, upstream: http://%V%s%V",
|
|
10
|
816 ctx->proxy->action,
|
|
|
817 &r->connection->addr_text,
|
|
|
818 &r->unparsed_uri,
|
|
28
|
819 &peer->peers->peer[peer->cur_peer].name,
|
|
|
820 ctx->proxy->lcf->upstream->uri_separator,
|
|
10
|
821 &ctx->proxy->lcf->upstream->uri);
|
|
|
822 len -= p - buf;
|
|
|
823 buf = p;
|
|
|
824
|
|
|
825 if (r->quoted_uri) {
|
|
|
826 escape = 2 * ngx_escape_uri(NULL, r->uri.data + uc->location->len,
|
|
|
827 r->uri.len - uc->location->len,
|
|
|
828 NGX_ESCAPE_URI);
|
|
|
829 } else {
|
|
|
830 escape = 0;
|
|
|
831 }
|
|
|
832
|
|
|
833 if (escape) {
|
|
|
834 if (len >= r->uri.len - uc->location->len + escape) {
|
|
|
835
|
|
|
836 ngx_escape_uri(buf, r->uri.data + uc->location->len,
|
|
|
837 r->uri.len - uc->location->len, NGX_ESCAPE_URI);
|
|
|
838
|
|
|
839 buf += r->uri.len - uc->location->len + escape;
|
|
|
840
|
|
|
841 if (r->args.len == 0) {
|
|
|
842 return buf;
|
|
|
843 }
|
|
|
844
|
|
|
845 len -= r->uri.len - uc->location->len + escape;
|
|
|
846
|
|
|
847 return ngx_snprintf(buf, len, "?%V", &r->args);
|
|
|
848 }
|
|
|
849
|
|
|
850 p = ngx_palloc(r->pool, r->uri.len - uc->location->len + escape);
|
|
|
851 if (p == NULL) {
|
|
|
852 return buf;
|
|
|
853 }
|
|
|
854
|
|
|
855 ngx_escape_uri(p, r->uri.data + uc->location->len,
|
|
|
856 r->uri.len - uc->location->len, NGX_ESCAPE_URI);
|
|
|
857
|
|
|
858 uri.len = r->uri.len - uc->location->len + escape;
|
|
|
859 uri.data = p;
|
|
|
860
|
|
|
861 } else {
|
|
|
862 uri.len = r->uri.len - uc->location->len;
|
|
|
863 uri.data = r->uri.data + uc->location->len;
|
|
|
864
|
|
|
865 }
|
|
|
866
|
|
|
867 return ngx_snprintf(buf, len, "%V%s%V",
|
|
|
868 &uri, r->args.len ? "?" : "", &r->args);
|
|
0
|
869 }
|
|
|
870
|
|
|
871
|
|
28
|
872 static size_t ngx_http_proxy_log_proxy_state_getlen(ngx_http_request_t *r,
|
|
|
873 uintptr_t data)
|
|
|
874 {
|
|
|
875 ngx_http_proxy_ctx_t *p;
|
|
|
876
|
|
|
877 p = ngx_http_get_module_err_ctx(r, ngx_http_proxy_module);
|
|
|
878
|
|
|
879 if (p == NULL) {
|
|
|
880 return 1;
|
|
|
881 }
|
|
|
882
|
|
|
883 return p->states.nelts * /* STUB */ 100;
|
|
|
884 }
|
|
|
885
|
|
|
886
|
|
0
|
887 static u_char *ngx_http_proxy_log_proxy_state(ngx_http_request_t *r,
|
|
28
|
888 u_char *buf,
|
|
|
889 ngx_http_log_op_t *op)
|
|
0
|
890 {
|
|
22
|
891 ngx_uint_t i;
|
|
|
892 ngx_http_proxy_ctx_t *p;
|
|
|
893 ngx_http_proxy_state_t *state;
|
|
0
|
894
|
|
|
895 p = ngx_http_get_module_err_ctx(r, ngx_http_proxy_module);
|
|
|
896
|
|
|
897 if (p == NULL) {
|
|
|
898 *buf = '-';
|
|
|
899 return buf + 1;
|
|
|
900 }
|
|
|
901
|
|
22
|
902 i = 0;
|
|
|
903 state = p->states.elts;
|
|
0
|
904
|
|
22
|
905 for ( ;; ) {
|
|
|
906 if (state[i].cache_state == 0) {
|
|
|
907 *buf++ = '-';
|
|
0
|
908
|
|
22
|
909 } else {
|
|
|
910 buf = ngx_cpymem(buf, cache_states[state[i].cache_state - 1].data,
|
|
|
911 cache_states[state[i].cache_state - 1].len);
|
|
|
912 }
|
|
0
|
913
|
|
22
|
914 *buf++ = '/';
|
|
|
915
|
|
|
916 if (state[i].expired == 0) {
|
|
|
917 *buf++ = '-';
|
|
0
|
918
|
|
22
|
919 } else {
|
|
|
920 buf = ngx_sprintf(buf, "%T", state[i].expired);
|
|
|
921 }
|
|
|
922
|
|
|
923 *buf++ = '/';
|
|
|
924
|
|
|
925 if (state[i].bl_time == 0) {
|
|
|
926 *buf++ = '-';
|
|
0
|
927
|
|
22
|
928 } else {
|
|
|
929 buf = ngx_sprintf(buf, "%T", state[i].bl_time);
|
|
|
930 }
|
|
0
|
931
|
|
22
|
932 *buf++ = '/';
|
|
|
933
|
|
|
934 *buf++ = '*';
|
|
|
935
|
|
|
936 *buf++ = ' ';
|
|
0
|
937
|
|
22
|
938 if (state[i].status == 0) {
|
|
|
939 *buf++ = '-';
|
|
|
940
|
|
|
941 } else {
|
|
|
942 buf = ngx_sprintf(buf, "%ui", state[i].status);
|
|
|
943 }
|
|
0
|
944
|
|
22
|
945 *buf++ = '/';
|
|
|
946
|
|
|
947 if (state[i].reason == 0) {
|
|
|
948 *buf++ = '-';
|
|
|
949
|
|
|
950 } else {
|
|
|
951 buf = ngx_cpymem(buf, cache_reasons[state[i].reason - 1].data,
|
|
|
952 cache_reasons[state[i].reason - 1].len);
|
|
|
953 }
|
|
0
|
954
|
|
22
|
955 *buf++ = '/';
|
|
|
956
|
|
|
957 if (state[i].reason < NGX_HTTP_PROXY_CACHE_XAE) {
|
|
|
958 *buf++ = '-';
|
|
|
959
|
|
|
960 } else {
|
|
|
961 buf = ngx_sprintf(buf, "%T", state[i].expires);
|
|
|
962 }
|
|
0
|
963
|
|
22
|
964 *buf++ = ' ';
|
|
|
965 *buf++ = '*';
|
|
|
966
|
|
|
967 if (++i == p->states.nelts) {
|
|
|
968 return buf;
|
|
|
969 }
|
|
|
970
|
|
|
971 *buf++ = ',';
|
|
|
972 *buf++ = ' ';
|
|
0
|
973 }
|
|
|
974 }
|
|
|
975
|
|
|
976
|
|
28
|
977 #if 0
|
|
|
978
|
|
0
|
979 static u_char *ngx_http_proxy_log_cache_state(ngx_http_request_t *r,
|
|
|
980 u_char *buf, uintptr_t data)
|
|
|
981 {
|
|
22
|
982 ngx_uint_t i;
|
|
|
983 ngx_http_proxy_ctx_t *p;
|
|
|
984 ngx_http_proxy_state_t *state;
|
|
0
|
985
|
|
|
986 p = ngx_http_get_module_err_ctx(r, ngx_http_proxy_module);
|
|
|
987
|
|
|
988 if (p == NULL || p->state->cache_state == 0) {
|
|
22
|
989 if (buf == NULL) {
|
|
|
990 return (u_char *) 1;
|
|
|
991 }
|
|
|
992
|
|
0
|
993 *buf = '-';
|
|
|
994 return buf + 1;
|
|
|
995 }
|
|
|
996
|
|
22
|
997 if (buf == NULL) {
|
|
|
998 /* find the request line length */
|
|
|
999 return (u_char *) (p->states.nelts * sizeof("BYPASS") - 1);
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 i = 0;
|
|
|
1003 state = p->states.elts;
|
|
|
1004
|
|
|
1005 for ( ;; ) {
|
|
|
1006 buf = ngx_cpymem(buf, cache_states[state[i].cache_state - 1].data,
|
|
|
1007 cache_states[state[i].cache_state - 1].len);
|
|
|
1008
|
|
|
1009 if (++i == p->states.nelts) {
|
|
|
1010 return buf;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 *buf++ = ',';
|
|
|
1014 *buf++ = ' ';
|
|
|
1015 }
|
|
0
|
1016 }
|
|
|
1017
|
|
|
1018
|
|
|
1019 static u_char *ngx_http_proxy_log_reason(ngx_http_request_t *r, u_char *buf,
|
|
|
1020 uintptr_t data)
|
|
|
1021 {
|
|
22
|
1022 ngx_uint_t i;
|
|
|
1023 ngx_http_proxy_ctx_t *p;
|
|
|
1024 ngx_http_proxy_state_t *state;
|
|
0
|
1025
|
|
|
1026 p = ngx_http_get_module_err_ctx(r, ngx_http_proxy_module);
|
|
|
1027
|
|
|
1028 if (p == NULL || p->state->reason == 0) {
|
|
22
|
1029 if (buf == NULL) {
|
|
|
1030 return (u_char *) 1;
|
|
|
1031 }
|
|
|
1032
|
|
0
|
1033 *buf = '-';
|
|
|
1034 return buf + 1;
|
|
|
1035 }
|
|
|
1036
|
|
22
|
1037 if (buf == NULL) {
|
|
|
1038 /* find the request line length */
|
|
|
1039 return (u_char *) (p->states.nelts * sizeof("BPS") - 1);
|
|
|
1040 }
|
|
|
1041
|
|
|
1042 i = 0;
|
|
|
1043 state = p->states.elts;
|
|
|
1044
|
|
|
1045 for ( ;; ) {
|
|
|
1046 buf = ngx_cpymem(buf, cache_reasons[state[i].reason - 1].data,
|
|
|
1047 cache_reasons[state[i].reason - 1].len);
|
|
|
1048
|
|
|
1049 if (++i == p->states.nelts) {
|
|
|
1050 return buf;
|
|
|
1051 }
|
|
|
1052
|
|
|
1053 *buf++ = ',';
|
|
|
1054 *buf++ = ' ';
|
|
|
1055 }
|
|
0
|
1056 }
|
|
|
1057
|
|
28
|
1058 #endif
|
|
0
|
1059
|
|
28
|
1060
|
|
|
1061 static ngx_int_t ngx_http_proxy_add_log_formats(ngx_conf_t *cf)
|
|
0
|
1062 {
|
|
|
1063 ngx_http_log_op_name_t *op;
|
|
|
1064
|
|
|
1065 for (op = ngx_http_proxy_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
28
|
1066 op->run = NULL;
|
|
0
|
1067
|
|
28
|
1068 for (op = ngx_http_log_fmt_ops; op->run; op++) {
|
|
0
|
1069 if (op->name.len == 0) {
|
|
28
|
1070 op = (ngx_http_log_op_name_t *) op->run;
|
|
0
|
1071 }
|
|
|
1072 }
|
|
|
1073
|
|
28
|
1074 op->run = (ngx_http_log_op_run_pt) ngx_http_proxy_log_fmt_ops;
|
|
0
|
1075
|
|
|
1076 return NGX_OK;
|
|
|
1077 }
|
|
|
1078
|
|
|
1079
|
|
|
1080 static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
|
|
|
1081 {
|
|
|
1082 ngx_http_proxy_loc_conf_t *conf;
|
|
|
1083
|
|
50
|
1084 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t));
|
|
|
1085 if (conf == NULL) {
|
|
34
|
1086 return NGX_CONF_ERROR;
|
|
|
1087 }
|
|
0
|
1088
|
|
28
|
1089 /*
|
|
|
1090 * set by ngx_pcalloc():
|
|
|
1091 *
|
|
|
1092 * conf->bufs.num = 0;
|
|
|
1093 * conf->path = NULL;
|
|
|
1094 * conf->next_upstream = 0;
|
|
|
1095 * conf->use_stale = 0;
|
|
|
1096 * conf->upstreams = NULL;
|
|
|
1097 * conf->peers = NULL;
|
|
|
1098 * conf->cache_path = NULL;
|
|
|
1099 * conf->temp_path = NULL;
|
|
34
|
1100 * conf->x_vars;
|
|
28
|
1101 * conf->busy_lock = NULL;
|
|
|
1102 */
|
|
0
|
1103
|
|
|
1104 conf->connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1105 conf->send_timeout = NGX_CONF_UNSET_MSEC;
|
|
2
|
1106 conf->send_lowat = NGX_CONF_UNSET_SIZE;
|
|
0
|
1107
|
|
|
1108 conf->preserve_host = NGX_CONF_UNSET;
|
|
6
|
1109 conf->set_x_url = NGX_CONF_UNSET;
|
|
0
|
1110 conf->set_x_real_ip = NGX_CONF_UNSET;
|
|
|
1111 conf->add_x_forwarded_for = NGX_CONF_UNSET;
|
|
|
1112
|
|
|
1113 conf->header_buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
1114 conf->read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
1115 conf->busy_buffers_size = NGX_CONF_UNSET_SIZE;
|
|
|
1116
|
|
16
|
1117 conf->max_temp_file_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
1118 conf->temp_file_write_size = NGX_CONF_UNSET_SIZE;
|
|
|
1119
|
|
|
1120 /* "proxy_cyclic_temp_file" is disabled */
|
|
|
1121 conf->cyclic_temp_file = 0;
|
|
|
1122
|
|
|
1123 conf->cache = NGX_CONF_UNSET;
|
|
|
1124
|
|
|
1125 conf->pass_server = NGX_CONF_UNSET;
|
|
|
1126 conf->pass_x_accel_expires = NGX_CONF_UNSET;
|
|
|
1127 conf->ignore_expires = NGX_CONF_UNSET;
|
|
|
1128 conf->lm_factor = NGX_CONF_UNSET;
|
|
|
1129 conf->default_expires = NGX_CONF_UNSET;
|
|
|
1130
|
|
|
1131 return conf;
|
|
|
1132 }
|
|
|
1133
|
|
|
1134
|
|
|
1135 static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf,
|
|
|
1136 void *parent, void *child)
|
|
|
1137 {
|
|
|
1138 ngx_http_proxy_loc_conf_t *prev = parent;
|
|
|
1139 ngx_http_proxy_loc_conf_t *conf = child;
|
|
|
1140
|
|
|
1141 size_t size;
|
|
|
1142
|
|
|
1143 ngx_conf_merge_msec_value(conf->connect_timeout,
|
|
|
1144 prev->connect_timeout, 60000);
|
|
|
1145 ngx_conf_merge_msec_value(conf->send_timeout, prev->send_timeout, 60000);
|
|
2
|
1146 ngx_conf_merge_size_value(conf->send_lowat, prev->send_lowat, 0);
|
|
0
|
1147
|
|
|
1148 ngx_conf_merge_value(conf->preserve_host, prev->preserve_host, 0);
|
|
6
|
1149 ngx_conf_merge_value(conf->set_x_url, prev->set_x_url, 0);
|
|
0
|
1150 ngx_conf_merge_value(conf->set_x_real_ip, prev->set_x_real_ip, 0);
|
|
|
1151 ngx_conf_merge_value(conf->add_x_forwarded_for,
|
|
|
1152 prev->add_x_forwarded_for, 0);
|
|
|
1153
|
|
|
1154 ngx_conf_merge_msec_value(conf->read_timeout, prev->read_timeout, 60000);
|
|
|
1155
|
|
|
1156 ngx_conf_merge_size_value(conf->header_buffer_size,
|
|
|
1157 prev->header_buffer_size, (size_t) ngx_pagesize);
|
|
|
1158
|
|
|
1159 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 8, ngx_pagesize);
|
|
|
1160
|
|
|
1161 if (conf->bufs.num < 2) {
|
|
|
1162 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1163 "there must be at least 2 \"proxy_buffers\"");
|
|
|
1164 return NGX_CONF_ERROR;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 size = conf->header_buffer_size;
|
|
|
1168 if (size < conf->bufs.size) {
|
|
|
1169 size = conf->bufs.size;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172
|
|
|
1173 ngx_conf_merge_size_value(conf->busy_buffers_size,
|
|
|
1174 prev->busy_buffers_size, NGX_CONF_UNSET_SIZE);
|
|
|
1175
|
|
|
1176 if (conf->busy_buffers_size == NGX_CONF_UNSET_SIZE) {
|
|
|
1177 conf->busy_buffers_size = 2 * size;
|
|
|
1178
|
|
|
1179 } else if (conf->busy_buffers_size < size) {
|
|
|
1180 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1181 "\"proxy_busy_buffers_size\" must be equal or bigger than "
|
|
|
1182 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1183 "one of the \"proxy_buffers\"");
|
|
|
1184
|
|
|
1185 return NGX_CONF_ERROR;
|
|
|
1186
|
|
|
1187 } else if (conf->busy_buffers_size > (conf->bufs.num - 1) * conf->bufs.size)
|
|
|
1188 {
|
|
|
1189 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1190 "\"proxy_busy_buffers_size\" must be less than "
|
|
|
1191 "the size of all \"proxy_buffers\" minus one buffer");
|
|
|
1192
|
|
|
1193 return NGX_CONF_ERROR;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196
|
|
|
1197 ngx_conf_merge_size_value(conf->temp_file_write_size,
|
|
|
1198 prev->temp_file_write_size, NGX_CONF_UNSET_SIZE);
|
|
|
1199
|
|
|
1200 if (conf->temp_file_write_size == NGX_CONF_UNSET_SIZE) {
|
|
|
1201 conf->temp_file_write_size = 2 * size;
|
|
|
1202
|
|
|
1203 } else if (conf->temp_file_write_size < size) {
|
|
|
1204 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1205 "\"proxy_temp_file_write_size\" must be equal or bigger than "
|
|
|
1206 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1207 "one of the \"proxy_buffers\"");
|
|
|
1208
|
|
|
1209 return NGX_CONF_ERROR;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212
|
|
|
1213 ngx_conf_merge_size_value(conf->max_temp_file_size,
|
|
|
1214 prev->max_temp_file_size, NGX_CONF_UNSET_SIZE);
|
|
|
1215
|
|
|
1216 if (conf->max_temp_file_size == NGX_CONF_UNSET_SIZE) {
|
|
16
|
1217
|
|
|
1218 /*
|
|
|
1219 * "proxy_max_temp_file_size" is set to 1G for reverse proxy,
|
|
|
1220 * it should be much less in the generic proxy
|
|
|
1221 */
|
|
|
1222
|
|
|
1223 conf->max_temp_file_size = 1024 * 1024 * 1024;
|
|
0
|
1224
|
|
16
|
1225 #if 0
|
|
|
1226 conf->max_temp_file_size = 2 * size;
|
|
|
1227 #endif
|
|
|
1228
|
|
|
1229
|
|
|
1230 } else if (conf->max_temp_file_size != 0
|
|
|
1231 && conf->max_temp_file_size < size)
|
|
|
1232 {
|
|
0
|
1233 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
16
|
1234 "\"proxy_max_temp_file_size\" must be equal to zero to disable "
|
|
|
1235 "the temporary files usage or must be equal or bigger than "
|
|
0
|
1236 "maximum of the value of \"proxy_header_buffer_size\" and "
|
|
|
1237 "one of the \"proxy_buffers\"");
|
|
|
1238
|
|
|
1239 return NGX_CONF_ERROR;
|
|
|
1240 }
|
|
|
1241
|
|
|
1242
|
|
|
1243 ngx_conf_merge_bitmask_value(conf->next_upstream, prev->next_upstream,
|
|
|
1244 (NGX_CONF_BITMASK_SET
|
|
|
1245 |NGX_HTTP_PROXY_FT_ERROR
|
|
|
1246 |NGX_HTTP_PROXY_FT_TIMEOUT));
|
|
|
1247
|
|
|
1248 ngx_conf_merge_bitmask_value(conf->use_stale, prev->use_stale,
|
|
|
1249 NGX_CONF_BITMASK_SET);
|
|
|
1250
|
|
28
|
1251 #if 0
|
|
0
|
1252 ngx_conf_merge_path_value(conf->cache_path, prev->cache_path,
|
|
28
|
1253 NGX_HTTP_PROXY_CACHE_PATH, 1, 2, 0,
|
|
|
1254 ngx_garbage_collector_temp_handler, cf);
|
|
|
1255 #endif
|
|
0
|
1256
|
|
|
1257 ngx_conf_merge_path_value(conf->temp_path, prev->temp_path,
|
|
28
|
1258 NGX_HTTP_PROXY_TEMP_PATH, 1, 2, 0,
|
|
|
1259 ngx_garbage_collector_temp_handler, cf);
|
|
0
|
1260
|
|
|
1261 ngx_conf_merge_value(conf->cache, prev->cache, 0);
|
|
|
1262
|
|
|
1263
|
|
|
1264 /* conf->cache must be merged */
|
|
|
1265
|
|
|
1266 if (conf->busy_lock == NULL) {
|
|
|
1267 conf->busy_lock = prev->busy_lock;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 if (conf->busy_lock && conf->cache && conf->busy_lock->md5 == NULL) {
|
|
|
1271
|
|
|
1272 /* ngx_calloc_shared() */
|
|
|
1273 conf->busy_lock->md5_mask =
|
|
|
1274 ngx_pcalloc(cf->pool, (conf->busy_lock->max_busy + 7) / 8);
|
|
|
1275 if (conf->busy_lock->md5_mask == NULL) {
|
|
|
1276 return NGX_CONF_ERROR;
|
|
|
1277 }
|
|
|
1278
|
|
|
1279 /* 16 bytes are 128 bits of the md5 */
|
|
|
1280
|
|
|
1281 /* ngx_alloc_shared() */
|
|
|
1282 conf->busy_lock->md5 = ngx_palloc(cf->pool,
|
|
|
1283 16 * conf->busy_lock->max_busy);
|
|
|
1284 if (conf->busy_lock->md5 == NULL) {
|
|
|
1285 return NGX_CONF_ERROR;
|
|
|
1286 }
|
|
|
1287 }
|
|
|
1288
|
|
|
1289
|
|
|
1290 ngx_conf_merge_value(conf->pass_server, prev->pass_server, 0);
|
|
|
1291 ngx_conf_merge_value(conf->pass_x_accel_expires,
|
|
|
1292 prev->pass_x_accel_expires, 0);
|
|
|
1293 ngx_conf_merge_value(conf->ignore_expires, prev->ignore_expires, 0);
|
|
|
1294 ngx_conf_merge_value(conf->lm_factor, prev->lm_factor, 0);
|
|
|
1295 ngx_conf_merge_sec_value(conf->default_expires, prev->default_expires, 0);
|
|
|
1296
|
|
36
|
1297 if (conf->x_vars == NULL) {
|
|
|
1298 conf->x_vars = prev->x_vars;
|
|
|
1299 }
|
|
|
1300
|
|
0
|
1301 return NULL;
|
|
|
1302 }
|
|
|
1303
|
|
|
1304
|
|
|
1305 static char *ngx_http_proxy_set_pass(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
1306 void *conf)
|
|
|
1307 {
|
|
|
1308 ngx_http_proxy_loc_conf_t *lcf = conf;
|
|
|
1309
|
|
28
|
1310 ngx_str_t *value, *url;
|
|
|
1311 ngx_inet_upstream_t inet_upstream;
|
|
|
1312 ngx_http_core_loc_conf_t *clcf;
|
|
|
1313 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
1314 ngx_unix_domain_upstream_t unix_upstream;
|
|
|
1315 #endif
|
|
0
|
1316
|
|
|
1317 value = cf->args->elts;
|
|
|
1318
|
|
28
|
1319 url = &value[1];
|
|
|
1320
|
|
|
1321 if (ngx_strncasecmp(url->data, "http://", 7) != 0) {
|
|
2
|
1322 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix");
|
|
|
1323 return NGX_CONF_ERROR;
|
|
0
|
1324 }
|
|
|
1325
|
|
2
|
1326 lcf->upstream = ngx_pcalloc(cf->pool,
|
|
|
1327 sizeof(ngx_http_proxy_upstream_conf_t));
|
|
|
1328 if (lcf->upstream == NULL) {
|
|
|
1329 return NGX_CONF_ERROR;
|
|
|
1330 }
|
|
0
|
1331
|
|
34
|
1332 lcf->upstream->url = *url;
|
|
|
1333
|
|
28
|
1334 if (ngx_strncasecmp(url->data + 7, "unix:", 5) == 0) {
|
|
0
|
1335
|
|
28
|
1336 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
0
|
1337
|
|
28
|
1338 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t));
|
|
2
|
1339
|
|
28
|
1340 unix_upstream.name = *url;
|
|
|
1341 unix_upstream.url.len = url->len - 7;
|
|
|
1342 unix_upstream.url.data = url->data + 7;
|
|
|
1343 unix_upstream.uri_part = 1;
|
|
0
|
1344
|
|
50
|
1345 lcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream);
|
|
|
1346 if (lcf->peers == NULL) {
|
|
2
|
1347 return NGX_CONF_ERROR;
|
|
|
1348 }
|
|
0
|
1349
|
|
28
|
1350 lcf->upstream->host_header.len = sizeof("localhost") - 1;
|
|
|
1351 lcf->upstream->host_header.data = (u_char *) "localhost";
|
|
|
1352 lcf->upstream->uri = unix_upstream.uri;
|
|
|
1353 lcf->upstream->uri_separator = ":";
|
|
|
1354 lcf->upstream->default_port = 1;
|
|
2
|
1355
|
|
28
|
1356 #else
|
|
|
1357 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1358 "the unix domain sockets are not supported "
|
|
|
1359 "on this platform");
|
|
|
1360 return NGX_CONF_ERROR;
|
|
0
|
1361
|
|
28
|
1362 #endif
|
|
0
|
1363
|
|
|
1364 } else {
|
|
28
|
1365 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
0
|
1366
|
|
28
|
1367 inet_upstream.name = *url;
|
|
|
1368 inet_upstream.url.len = url->len - 7;
|
|
|
1369 inet_upstream.url.data = url->data + 7;
|
|
|
1370 inet_upstream.default_port_value = 80;
|
|
|
1371 inet_upstream.uri_part = 1;
|
|
0
|
1372
|
|
50
|
1373 lcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
1374 if (lcf->peers == NULL) {
|
|
2
|
1375 return NGX_CONF_ERROR;
|
|
|
1376 }
|
|
0
|
1377
|
|
28
|
1378 lcf->upstream->host_header = inet_upstream.host_header;
|
|
|
1379 lcf->upstream->port_text = inet_upstream.port_text;
|
|
|
1380 lcf->upstream->uri = inet_upstream.uri;
|
|
|
1381 lcf->upstream->uri_separator = "";
|
|
30
|
1382 lcf->upstream->default_port = inet_upstream.default_port;
|
|
0
|
1383 }
|
|
|
1384
|
|
|
1385 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
1386
|
|
50
|
1387 clcf->handler = ngx_http_proxy_handler;
|
|
|
1388
|
|
|
1389 #if (NGX_PCRE)
|
|
|
1390 lcf->upstream->location = clcf->regex ? &ngx_http_proxy_uri : &clcf->name;
|
|
|
1391 #else
|
|
0
|
1392 lcf->upstream->location = &clcf->name;
|
|
50
|
1393 #endif
|
|
0
|
1394
|
|
|
1395 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
1396 clcf->auto_redirect = 1;
|
|
|
1397 }
|
|
|
1398
|
|
28
|
1399 return NGX_CONF_OK;
|
|
0
|
1400 }
|
|
2
|
1401
|
|
|
1402
|
|
34
|
1403 static char *ngx_http_proxy_set_x_var(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
1404 void *conf)
|
|
|
1405 {
|
|
|
1406 ngx_http_proxy_loc_conf_t *lcf = conf;
|
|
|
1407
|
|
|
1408 ngx_uint_t i, *index;
|
|
|
1409 ngx_str_t *value;
|
|
|
1410 ngx_http_variable_t *var;
|
|
|
1411 ngx_http_core_main_conf_t *cmcf;
|
|
|
1412
|
|
36
|
1413 if (lcf->x_vars == NULL) {
|
|
|
1414 lcf->x_vars = ngx_array_create(cf->pool, 4,
|
|
|
1415 sizeof(ngx_http_variable_t *));
|
|
|
1416 if (lcf->x_vars == NULL) {
|
|
34
|
1417 return NGX_CONF_ERROR;
|
|
|
1418 }
|
|
|
1419 }
|
|
|
1420
|
|
|
1421 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
|
|
1422
|
|
|
1423 value = cf->args->elts;
|
|
|
1424
|
|
|
1425 var = cmcf->variables.elts;
|
|
|
1426 for (i = 0; i < cmcf->variables.nelts; i++) {
|
|
|
1427 if (ngx_strcasecmp(var[i].name.data, value[1].data) == 0) {
|
|
|
1428
|
|
50
|
1429 index = ngx_array_push(lcf->x_vars);
|
|
|
1430 if (index == NULL) {
|
|
34
|
1431 return NGX_CONF_ERROR;
|
|
|
1432 }
|
|
|
1433
|
|
|
1434 *index = var[i].index;
|
|
|
1435 return NGX_CONF_OK;
|
|
|
1436 }
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1440 "unknown variable name \"%V\"", &value[1]);
|
|
|
1441 return NGX_CONF_ERROR;
|
|
|
1442 }
|
|
|
1443
|
|
|
1444
|
|
2
|
1445 static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data)
|
|
|
1446 {
|
|
22
|
1447 #if (NGX_FREEBSD)
|
|
4
|
1448 ssize_t *np = data;
|
|
2
|
1449
|
|
|
1450 if (*np >= ngx_freebsd_net_inet_tcp_sendspace) {
|
|
|
1451 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1452 "\"proxy_send_lowat\" must be less than %d "
|
|
|
1453 "(sysctl net.inet.tcp.sendspace)",
|
|
|
1454 ngx_freebsd_net_inet_tcp_sendspace);
|
|
|
1455
|
|
|
1456 return NGX_CONF_ERROR;
|
|
|
1457 }
|
|
|
1458
|
|
18
|
1459 #elif !(NGX_HAVE_SO_SNDLOWAT)
|
|
22
|
1460 ssize_t *np = data;
|
|
2
|
1461
|
|
|
1462 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1463 "\"proxy_send_lowat\" is not supported, ignored");
|
|
|
1464
|
|
|
1465 *np = 0;
|
|
|
1466
|
|
|
1467 #endif
|
|
|
1468
|
|
|
1469 return NGX_CONF_OK;
|
|
|
1470 }
|
