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