Nginx 配置。

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lua_package_path?"/usr/local/share/luajit-2.0.2/jit?.lua;;";??

lua_shared_dict?devicedb?45m;???

????location?/query?{??

???????default_type?'text/plain';??

???????content_by_lua?'??

????????????????local?args?=?ngx.req.get_uri_args()??

????????????????local?devicetype?=?args["device"]??

????????????????local?devicedb?=?ngx.shared.devicedb??

????????????????local?res?=?devicedb:get(devicetype)??

??

????????????????ngx.say(res)??

???????????';??

????}??

??

????location?/update?{??

????????default_type?'text/plain';??

????????content_by_lua?'??

????????????????local?devicedb?=?ngx.shared.devicedb??

??

????????????????for?item?in?io.lines("/usr/local/nginx-1.4.2/data/rule.txt")?do??

????????????????????_,_,device_type,?device_rule?=?string.find(item,?"^(%a+)--(%a+)$")??

????????????????????devicedb:set(device_type,device_rule)??

????????????????end??

??

????????????????ngx.say("ok")??????????????

???????????';??

????}??

rule.txt文件格式。

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SAMSUNG--samRule??

APPLE--appRule??

XIAOMI--xiaRule??

步驟1，訪問/update，更新共享內(nèi)存devicedb

步驟2，訪問query?device=XIAOMI，返回xiaRule

步驟3，修改rule.txt，將xiaRule改為xiaRuleaaaa

步驟4，訪問/update，更新共享內(nèi)存devicedb

步驟5，訪問query?device=XIAOMI，返回xiaRuleaaaa

內(nèi)網(wǎng)響應(yīng)時(shí)間在5~10ms。

參考文章：

http://my.oschina.net/766/blog/158972

http://haili.me/archives/722.html

來(lái)源:http://blog.csdn.net/lxb_champagne/article/details/17099383

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