123

Author: Tinywan

Openresty/Lua-file/ngx_timer_at_demo1.lua

@@ -0,0 +1,18 @@
+local delay = 5
+local handler
+handler = function (premature,param)
+    -- do some routine job in Lua just like a cron job
+    if premature then
+        return
+    end
+
+    ngx.log(ngx.ERR, "param is : ", param)
+end
+
+local ok, err = ngx.timer.at(delay, handler,"Hello Tinywan")
+
+--[[
+    curl http://127.0.0.1/ngx_timer_at
+    
+    2017/05/04 23:24:38 [error] 95933#0: *433016 [lua] get_timer_at.lua:9: param is : Hello Tinywan, context: ngx.timer, client: 127.0.0.1, server: 0.0.0.0:80
+    --]]

Openresty/test.lua

@@ -0,0 +1,48 @@
+local red = redis:new()
+
+-- set Cache cache_ngx
+function set_to_cache(key,value,exptime)
+    if not exptime then
+        exptime = 0
+    end
+    local cache_ngx = ngx.shared.cache_ngx
+    local succ, err, forcible = cache_ngx:set(key,value,exptime)
+    return succ
+end
+
+--get Cache cache_ngx
+function get_from_cache(key)
+    local cache_ngx = ngx.shared.cache_ngx
+    local value = cache_ngx:get(key)
+    if not value then
+        value = nil
+        set_to_cache(key, value)
+    end
+    return value
+end    
+
+function get_from_redis(key)
+    local res, err = red:get("dog")
+    if res then
+        return 'yes'
+    else
+        return 'No'
+    end        
+end
+local res = get_from_cache('dog')
+ngx.say(res)   
+
+
+local delay = 5
+local handler
+handler = function (premature,param)
+    -- do some routine job in Lua just like a cron job
+    if premature then
+        return
+    end
+
+    ngx.log(ngx.ERR, "param is : ", param)
+end
+
+local ok, err = ngx.timer.at(delay, handler,"Hello Tinywan")
+