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。
[plain] view plain copy print ?
SAMSUNG--samRule
APPLE--appRule
XIAOMI--xiaRule
步骤1,访问/update,更新共享内存devicedb
步骤2,访问query?device=XIAOMI,返回xiaRule
步骤3,修改rule.txt,将xiaRule改为xiaRuleaaaa
步骤4,访问/update,更新共享内存devicedb
步骤5,访问query?device=XIAOMI,返回xiaRuleaaaa
内网响应时间在5~10ms。