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130
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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_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 typedef struct {
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14 ngx_http_upstream_conf_t upstream;
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15 ngx_peers_t *peers;
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16 } ngx_http_memcached_loc_conf_t;
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17
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18
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19 typedef struct {
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20 size_t rest;
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21 ngx_http_request_t *request;
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146
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22 ngx_str_t key;
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130
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23 } ngx_http_memcached_ctx_t;
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24
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25
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26 static ngx_int_t ngx_http_memcached_create_request(ngx_http_request_t *r);
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27 static ngx_int_t ngx_http_memcached_reinit_request(ngx_http_request_t *r);
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28 static ngx_int_t ngx_http_memcached_process_header(ngx_http_request_t *r);
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29 static ngx_int_t ngx_http_memcached_filter_init(void *data);
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30 static ngx_int_t ngx_http_memcached_filter(void *data, ssize_t bytes);
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31 static void ngx_http_memcached_abort_request(ngx_http_request_t *r);
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32 static void ngx_http_memcached_finalize_request(ngx_http_request_t *r,
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33 ngx_int_t rc);
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34
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35 static void *ngx_http_memcached_create_loc_conf(ngx_conf_t *cf);
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36 static char *ngx_http_memcached_merge_loc_conf(ngx_conf_t *cf,
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37 void *parent, void *child);
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38
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39 static char *ngx_http_memcached_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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40 void *conf);
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41
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42
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43 static ngx_conf_bitmask_t ngx_http_memcached_next_upstream_masks[] = {
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44 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR },
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45 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
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46 { ngx_string("invalid_response"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
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47 { ngx_string("not_found"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
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214
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48 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF },
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130
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49 { ngx_null_string, 0 }
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50 };
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51
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52
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53 static ngx_command_t ngx_http_memcached_commands[] = {
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54
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55 { ngx_string("memcached_pass"),
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56 NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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57 ngx_http_memcached_pass,
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58 NGX_HTTP_LOC_CONF_OFFSET,
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59 0,
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60 NULL },
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61
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62 { ngx_string("memcached_connect_timeout"),
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63 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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64 ngx_conf_set_msec_slot,
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65 NGX_HTTP_LOC_CONF_OFFSET,
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66 offsetof(ngx_http_memcached_loc_conf_t, upstream.connect_timeout),
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67 NULL },
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68
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69 { ngx_string("memcached_send_timeout"),
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70 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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71 ngx_conf_set_msec_slot,
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72 NGX_HTTP_LOC_CONF_OFFSET,
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73 offsetof(ngx_http_memcached_loc_conf_t, upstream.send_timeout),
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74 NULL },
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75
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76 { ngx_string("memcached_buffer_size"),
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77 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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78 ngx_conf_set_size_slot,
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79 NGX_HTTP_LOC_CONF_OFFSET,
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80 offsetof(ngx_http_memcached_loc_conf_t, upstream.buffer_size),
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81 NULL },
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82
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83 { ngx_string("memcached_read_timeout"),
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84 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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85 ngx_conf_set_msec_slot,
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86 NGX_HTTP_LOC_CONF_OFFSET,
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87 offsetof(ngx_http_memcached_loc_conf_t, upstream.read_timeout),
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88 NULL },
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89
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90 { ngx_string("memcached_next_upstream"),
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91 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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92 ngx_conf_set_bitmask_slot,
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93 NGX_HTTP_LOC_CONF_OFFSET,
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94 offsetof(ngx_http_memcached_loc_conf_t, upstream.next_upstream),
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95 &ngx_http_memcached_next_upstream_masks },
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96
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97 { ngx_string("memcached_upstream_max_fails"),
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98 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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99 ngx_conf_set_num_slot,
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100 NGX_HTTP_LOC_CONF_OFFSET,
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101 offsetof(ngx_http_memcached_loc_conf_t, upstream.max_fails),
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102 NULL },
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103
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104 { ngx_string("memcached_upstream_fail_timeout"),
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105 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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106 ngx_conf_set_sec_slot,
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107 NGX_HTTP_LOC_CONF_OFFSET,
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108 offsetof(ngx_http_memcached_loc_conf_t, upstream.fail_timeout),
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109 NULL },
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110
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111 ngx_null_command
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112 };
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113
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114
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216
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115 static ngx_http_module_t ngx_http_memcached_module_ctx = {
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130
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116 NULL, /* preconfiguration */
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117 NULL, /* postconfiguration */
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118
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119 NULL, /* create main configuration */
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120 NULL, /* init main configuration */
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121
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122 NULL, /* create server configuration */
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123 NULL, /* merge server configuration */
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124
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125 ngx_http_memcached_create_loc_conf, /* create location configration */
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126 ngx_http_memcached_merge_loc_conf /* merge location configration */
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127 };
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128
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129
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130 ngx_module_t ngx_http_memcached_module = {
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131 NGX_MODULE_V1,
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132 &ngx_http_memcached_module_ctx, /* module context */
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133 ngx_http_memcached_commands, /* module directives */
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134 NGX_HTTP_MODULE, /* module type */
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135 NULL, /* init master */
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136 NULL, /* init module */
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137 NULL, /* init process */
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138 NULL, /* init thread */
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139 NULL, /* exit thread */
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140 NULL, /* exit process */
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141 NULL, /* exit master */
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142 NGX_MODULE_V1_PADDING
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143 };
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144
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145
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146 #define NGX_HTTP_MEMCACHED_END (sizeof(ngx_http_memcached_end) - 1)
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147 static u_char ngx_http_memcached_end[] = CRLF "END" CRLF;
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148
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149
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150 static ngx_int_t
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151 ngx_http_memcached_handler(ngx_http_request_t *r)
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152 {
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153 ngx_int_t rc;
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154 ngx_http_upstream_t *u;
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155 ngx_http_memcached_ctx_t *ctx;
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156 ngx_http_memcached_loc_conf_t *mlcf;
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157
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194
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158 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
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130
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159 return NGX_HTTP_NOT_ALLOWED;
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160 }
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161
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162 rc = ngx_http_discard_body(r);
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163
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164 if (rc != NGX_OK && rc != NGX_AGAIN) {
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165 return rc;
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166 }
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167
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168 if (ngx_http_set_content_type(r) != NGX_OK) {
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169 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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170 }
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171
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172 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_memcached_module);
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173
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174 u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
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175 if (u == NULL) {
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176 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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177 }
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178
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179 u->peer.log = r->connection->log;
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180 u->peer.log_error = NGX_ERROR_ERR;
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181 u->peer.peers = mlcf->peers;
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182 u->peer.tries = mlcf->peers->number;
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183 #if (NGX_THREADS)
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184 u->peer.lock = &r->connection->lock;
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185 #endif
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186
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187 u->output.tag = (ngx_buf_tag_t) &ngx_http_memcached_module;
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188
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189 u->conf = &mlcf->upstream;
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190
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191 u->create_request = ngx_http_memcached_create_request;
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192 u->reinit_request = ngx_http_memcached_reinit_request;
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193 u->process_header = ngx_http_memcached_process_header;
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194 u->abort_request = ngx_http_memcached_abort_request;
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195 u->finalize_request = ngx_http_memcached_finalize_request;
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196
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197 r->upstream = u;
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198
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199 ctx = ngx_palloc(r->pool, sizeof(ngx_http_memcached_ctx_t));
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200 if (ctx == NULL) {
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201 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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202 }
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203
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204 ctx->rest = NGX_HTTP_MEMCACHED_END;
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205 ctx->request = r;
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206
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146
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207 ngx_http_set_ctx(r, ctx, ngx_http_memcached_module);
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208
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130
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209 u->input_filter_init = ngx_http_memcached_filter_init;
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210 u->input_filter = ngx_http_memcached_filter;
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211 u->input_filter_ctx = ctx;
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212
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213 ngx_http_upstream_init(r);
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214
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215 return NGX_DONE;
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216 }
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217
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218
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219 static ngx_int_t
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220 ngx_http_memcached_create_request(ngx_http_request_t *r)
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221 {
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146
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222 size_t len;
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223 ngx_buf_t *b;
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224 ngx_chain_t *cl;
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225 ngx_http_memcached_ctx_t *ctx;
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130
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226
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227 len = sizeof("get ") - 1 + r->uri.len + sizeof(" " CRLF) - 1;
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228 if (r->args.len) {
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146
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229 len += 1 + r->args.len;
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130
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230 }
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231
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232 b = ngx_create_temp_buf(r->pool, len);
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233 if (b == NULL) {
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234 return NGX_ERROR;
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235 }
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236
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237 cl = ngx_alloc_chain_link(r->pool);
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238 if (cl == NULL) {
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239 return NGX_ERROR;
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240 }
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241
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242 cl->buf = b;
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243 cl->next = NULL;
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244
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245 r->upstream->request_bufs = cl;
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246
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247 *b->last++ = 'g'; *b->last++ = 'e'; *b->last++ = 't'; *b->last++ = ' ';
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248
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146
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249 ctx = ngx_http_get_module_ctx(r, ngx_http_memcached_module);
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250
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251 ctx->key.data = b->last;
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252
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130
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253 b->last = ngx_copy(b->last, r->uri.data, r->uri.len);
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254
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255 if (r->args.len) {
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256 *b->last++ = '?';
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257 b->last = ngx_copy(b->last, r->args.data, r->args.len);
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258 }
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259
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146
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260 ctx->key.len = b->last - ctx->key.data;
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130
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261
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262 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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146
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263 "http memcached request: \"%V\"", &ctx->key);
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130
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264
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265 *b->last++ = ' '; *b->last++ = CR; *b->last++ = LF;
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266
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267 return NGX_OK;
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268 }
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269
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270
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271 static ngx_int_t
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272 ngx_http_memcached_reinit_request(ngx_http_request_t *r)
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273 {
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274 return NGX_OK;
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275 }
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276
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277
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278 static ngx_int_t
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279 ngx_http_memcached_process_header(ngx_http_request_t *r)
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280 {
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146
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281 u_char *p, *len;
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282 ngx_str_t line;
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283 ngx_http_upstream_t *u;
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284 ngx_http_memcached_ctx_t *ctx;
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130
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285
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286 u = r->upstream;
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287
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288 for (p = u->buffer.pos; p < u->buffer.last; p++) {
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289 if (*p == LF) {
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290 goto found;
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291 }
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292 }
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293
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294 return NGX_AGAIN;
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295
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296 found:
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297
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298 *p = '\0';
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299
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300 line.len = p - u->buffer.pos - 1;
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301 line.data = u->buffer.pos;
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302
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303 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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304 "memcached: \"%V\"", &line);
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305
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306 p = u->buffer.pos;
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307
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146
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308 ctx = ngx_http_get_module_ctx(r, ngx_http_memcached_module);
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309
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130
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310 if (ngx_strncmp(p, "VALUE ", sizeof("VALUE ") - 1) == 0) {
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311
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312 p += sizeof("VALUE ") - 1;
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313
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146
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314 if (ngx_strncmp(p, ctx->key.data, ctx->key.len) != 0) {
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130
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315 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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316 "memcached sent invalid key in response \"%V\" "
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317 "for key \"%V\"",
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146
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318 &line, &ctx->key);
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130
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319
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320 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
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321 }
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322
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146
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323 p += ctx->key.len;
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130
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324
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325 if (*p++ != ' ') {
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326 goto no_valid;
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327 }
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328
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329 /* skip flags */
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330
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331 while (*p) {
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332 if (*p++ == ' ') {
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333 goto length;
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334 }
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335 }
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336
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337 goto no_valid;
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338
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339 length:
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340
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341 len = p;
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342
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343 while (*p && *p++ != CR) { /* void */ }
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344
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345 r->headers_out.content_length_n = ngx_atoof(len, p - len - 1);
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346 if (r->headers_out.content_length_n == -1) {
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347 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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348 "memcached sent invalid length in response \"%V\" "
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349 "for key \"%V\"",
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146
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350 &line, &ctx->key);
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130
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351 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
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352 }
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353
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354 u->headers_in.status_n = 200;
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355 u->buffer.pos = p + 1;
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356
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357 return NGX_OK;
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358 }
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359
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360 if (ngx_strcmp(p, "END\x0d") == 0) {
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361 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
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146
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362 "key: \"%V\" was not found by memcached", &ctx->key);
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130
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363
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364 u->headers_in.status_n = 404;
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365
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366 return NGX_OK;
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367 }
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368
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369 no_valid:
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370
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371 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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372 "memcached sent invalid response: \"%V\"", &line);
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373
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374 return NGX_HTTP_UPSTREAM_INVALID_HEADER;
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375 }
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376
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377
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378 static ngx_int_t
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379 ngx_http_memcached_filter_init(void *data)
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380 {
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381 ngx_http_memcached_ctx_t *ctx = data;
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382
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383 ngx_http_upstream_t *u;
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384
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385 u = ctx->request->upstream;
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386
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|
387 u->length += NGX_HTTP_MEMCACHED_END;
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|
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388
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|
|
389 return NGX_OK;
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|
|
390 }
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|
|
391
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|
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392
|
|
|
393 static ngx_int_t
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|
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394 ngx_http_memcached_filter(void *data, ssize_t bytes)
|
|
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395 {
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|
|
396 ngx_http_memcached_ctx_t *ctx = data;
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397
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|
|
398 u_char *last;
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|
399 ngx_buf_t *b;
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|
400 ngx_chain_t *cl, **ll;
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|
|
401 ngx_http_upstream_t *u;
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402
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|
403 u = ctx->request->upstream;
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|
|
404 b = &u->buffer;
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|
|
405
|
|
|
406 if (u->length == ctx->rest) {
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|
407
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|
408 if (ngx_strncmp(b->last,
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409 ngx_http_memcached_end + NGX_HTTP_MEMCACHED_END
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410 - ctx->rest,
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|
411 bytes) != 0)
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|
412 {
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|
413 ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0,
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|
414 "memcached sent invalid trailer");
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|
415 }
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416
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|
417 u->length -= bytes;
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|
418 ctx->rest -= bytes;
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419
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420 return NGX_OK;
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421 }
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422
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|
423 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) {
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424 ll = &cl->next;
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425 }
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426
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|
427 cl = ngx_chain_get_free_buf(ctx->request->pool, &u->free_bufs);
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428 if (cl == NULL) {
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|
429 return NGX_ERROR;
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|
430 }
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|
431
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|
432 cl->buf->flush = 1;
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|
433 cl->buf->memory = 1;
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434
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|
435 *ll = cl;
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436
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|
437 cl->buf->pos = b->last;
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|
|
438 b->last += bytes;
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|
|
439 cl->buf->last = b->last;
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|
440
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|
|
441 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0,
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|
|
442 "memcached filter bytes:%z size:%z length:%z rest:%z",
|
|
|
443 bytes, b->last - b->pos, u->length, ctx->rest);
|
|
|
444
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|
|
445 if (b->last - b->pos <= (ssize_t) (u->length - NGX_HTTP_MEMCACHED_END)) {
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|
|
446 u->length -= bytes;
|
|
|
447 return NGX_OK;
|
|
|
448 }
|
|
|
449
|
|
|
450
|
|
|
451 last = b->pos + u->length - NGX_HTTP_MEMCACHED_END;
|
|
|
452
|
|
|
453 if (ngx_strncmp(last, ngx_http_memcached_end, b->last - last) != 0) {
|
|
|
454 ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0,
|
|
|
455 "memcached sent invalid trailer");
|
|
|
456 }
|
|
|
457
|
|
|
458 ctx->rest = u->length - (b->last - b->pos);
|
|
|
459 b->last = last;
|
|
|
460 cl->buf->last = last;
|
|
|
461 u->length = ctx->rest;
|
|
|
462
|
|
|
463 return NGX_OK;
|
|
|
464 }
|
|
|
465
|
|
|
466
|
|
|
467 static void
|
|
|
468 ngx_http_memcached_abort_request(ngx_http_request_t *r)
|
|
|
469 {
|
|
|
470 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
471 "abort http memcached request");
|
|
|
472 return;
|
|
|
473 }
|
|
|
474
|
|
|
475
|
|
|
476 static void
|
|
|
477 ngx_http_memcached_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
|
478 {
|
|
|
479 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
480 "finalize http memcached request");
|
|
|
481 return;
|
|
|
482 }
|
|
|
483
|
|
|
484
|
|
|
485 static void *
|
|
|
486 ngx_http_memcached_create_loc_conf(ngx_conf_t *cf)
|
|
|
487 {
|
|
|
488 ngx_http_memcached_loc_conf_t *conf;
|
|
|
489
|
|
|
490 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_memcached_loc_conf_t));
|
|
|
491 if (conf == NULL) {
|
|
|
492 return NGX_CONF_ERROR;
|
|
|
493 }
|
|
|
494
|
|
|
495 /*
|
|
|
496 * set by ngx_pcalloc():
|
|
|
497 *
|
|
|
498 * conf->upstream.bufs.num = 0;
|
|
|
499 * conf->upstream.next_upstream = 0;
|
|
|
500 * conf->upstream.temp_path = NULL;
|
|
|
501 * conf->upstream.schema = { 0, NULL };
|
|
|
502 * conf->upstream.uri = { 0, NULL };
|
|
|
503 * conf->upstream.location = NULL;
|
|
|
504 *
|
|
|
505 * conf->peers = NULL;
|
|
|
506 */
|
|
|
507
|
|
|
508 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
509 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
510 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC;
|
|
|
511
|
|
|
512 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE;
|
|
|
513
|
|
|
514 conf->upstream.max_fails = NGX_CONF_UNSET_UINT;
|
|
|
515 conf->upstream.fail_timeout = NGX_CONF_UNSET;
|
|
|
516
|
|
|
517 /* "fastcgi_cyclic_temp_file" is disabled */
|
|
|
518 conf->upstream.cyclic_temp_file = 0;
|
|
|
519
|
|
|
520 /* the hardcoded values */
|
|
178
|
521 conf->upstream.buffering = 0;
|
|
|
522 conf->upstream.ignore_client_abort = 0;
|
|
130
|
523 conf->upstream.send_lowat = 0;
|
|
|
524 conf->upstream.bufs.num = 0;
|
|
|
525 conf->upstream.busy_buffers_size = 0;
|
|
|
526 conf->upstream.max_temp_file_size = 0;
|
|
|
527 conf->upstream.temp_file_write_size = 0;
|
|
206
|
528 conf->upstream.intercept_errors = 1;
|
|
130
|
529 conf->upstream.redirect_404 = 1;
|
|
|
530 conf->upstream.pass_request_headers = 0;
|
|
|
531 conf->upstream.pass_request_body = 0;
|
|
|
532
|
|
|
533 return conf;
|
|
|
534 }
|
|
|
535
|
|
|
536
|
|
|
537 static char *
|
|
|
538 ngx_http_memcached_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
539 {
|
|
|
540 ngx_http_memcached_loc_conf_t *prev = parent;
|
|
|
541 ngx_http_memcached_loc_conf_t *conf = child;
|
|
|
542
|
|
|
543 ngx_uint_t i;
|
|
|
544
|
|
|
545 ngx_conf_merge_msec_value(conf->upstream.connect_timeout,
|
|
|
546 prev->upstream.connect_timeout, 60000);
|
|
|
547
|
|
|
548 ngx_conf_merge_msec_value(conf->upstream.send_timeout,
|
|
|
549 prev->upstream.send_timeout, 60000);
|
|
|
550
|
|
|
551 ngx_conf_merge_msec_value(conf->upstream.read_timeout,
|
|
|
552 prev->upstream.read_timeout, 60000);
|
|
|
553
|
|
|
554 ngx_conf_merge_size_value(conf->upstream.buffer_size,
|
|
|
555 prev->upstream.buffer_size,
|
|
|
556 (size_t) ngx_pagesize);
|
|
|
557
|
|
|
558 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream,
|
|
|
559 prev->upstream.next_upstream,
|
|
|
560 (NGX_CONF_BITMASK_SET
|
|
|
561 |NGX_HTTP_UPSTREAM_FT_ERROR
|
|
|
562 |NGX_HTTP_UPSTREAM_FT_TIMEOUT));
|
|
|
563
|
|
214
|
564 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) {
|
|
|
565 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET
|
|
|
566 |NGX_HTTP_UPSTREAM_FT_OFF;
|
|
|
567 }
|
|
|
568
|
|
212
|
569 ngx_conf_merge_uint_value(conf->upstream.max_fails,
|
|
130
|
570 prev->upstream.max_fails, 1);
|
|
|
571
|
|
|
572 ngx_conf_merge_sec_value(conf->upstream.fail_timeout,
|
|
|
573 prev->upstream.fail_timeout, 10);
|
|
|
574
|
|
|
575 if (conf->peers && conf->peers->number > 1) {
|
|
|
576 for (i = 0; i < conf->peers->number; i++) {
|
|
|
577 conf->peers->peer[i].weight = 1;
|
|
|
578 conf->peers->peer[i].max_fails = conf->upstream.max_fails;
|
|
|
579 conf->peers->peer[i].fail_timeout = conf->upstream.fail_timeout;
|
|
|
580 }
|
|
|
581 }
|
|
|
582
|
|
|
583 return NGX_CONF_OK;
|
|
|
584 }
|
|
|
585
|
|
|
586
|
|
|
587 static char *
|
|
|
588 ngx_http_memcached_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
589 {
|
|
|
590 ngx_http_memcached_loc_conf_t *lcf = conf;
|
|
|
591
|
|
|
592 ngx_str_t *value;
|
|
|
593 ngx_inet_upstream_t inet_upstream;
|
|
|
594 ngx_http_core_loc_conf_t *clcf;
|
|
|
595
|
|
|
596 if (lcf->upstream.schema.len) {
|
|
|
597 return "is duplicate";
|
|
|
598 }
|
|
|
599
|
|
|
600 value = cf->args->elts;
|
|
|
601
|
|
|
602 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t));
|
|
|
603
|
|
|
604 inet_upstream.name = value[1];
|
|
|
605 inet_upstream.url = value[1];
|
|
|
606
|
|
|
607 lcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream);
|
|
|
608 if (lcf->peers == NULL) {
|
|
|
609 return NGX_CONF_ERROR;
|
|
|
610 }
|
|
|
611
|
|
|
612 lcf->upstream.schema.len = sizeof("memcached://") - 1;
|
|
|
613 lcf->upstream.schema.data = (u_char *) "memcached://";
|
|
|
614
|
|
|
615 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
|
|
|
616
|
|
|
617 clcf->handler = ngx_http_memcached_handler;
|
|
|
618
|
|
|
619 lcf->upstream.location = clcf->name;
|
|
|
620
|
|
|
621 if (clcf->name.data[clcf->name.len - 1] == '/') {
|
|
|
622 clcf->auto_redirect = 1;
|
|
|
623 }
|
|
|
624
|
|
|
625 return NGX_CONF_OK;
|
|
|
626 }
|
