diff options
author | 2017-07-25 15:18:33 +0800 | |
---|---|---|
committer | 2017-07-25 18:11:59 +0800 | |
commit | 672f3d40be83d9e380fd7be4b674d5e8d5fa36de (patch) | |
tree | 43105e1d5e2ba8e8accea8648e57e1cf87db3f00 /openresty-ext/src/assembly/resources/openresty/nginx/luaext/lib/tools/rr_cache.lua | |
parent | 41d3db15a8e1a0496f9c2a5e15db2998a32bb9bf (diff) |
Divide the MSB source codes into two repos
Change-Id: Ie76d545b214a8ce5191f215350a623e1529983d9
Issue-id: MSB-5
Signed-off-by: HuabingZhao <zhao.huabing@zte.com.cn>
Diffstat (limited to 'openresty-ext/src/assembly/resources/openresty/nginx/luaext/lib/tools/rr_cache.lua')
-rw-r--r-- | openresty-ext/src/assembly/resources/openresty/nginx/luaext/lib/tools/rr_cache.lua | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/openresty-ext/src/assembly/resources/openresty/nginx/luaext/lib/tools/rr_cache.lua b/openresty-ext/src/assembly/resources/openresty/nginx/luaext/lib/tools/rr_cache.lua new file mode 100644 index 0000000..bfcc157 --- /dev/null +++ b/openresty-ext/src/assembly/resources/openresty/nginx/luaext/lib/tools/rr_cache.lua @@ -0,0 +1,40 @@ +--[[
+
+ Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE)
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+--]]
+
+-- round-robin cache over LRUCache, used within one worker processes
+local _M = {}
+_M._VERSION = '1.0.0'
+
+local lrucache = require "resty.lrucache"
+
+-- we need to initialize the cache on the lua module level so that
+-- it can be shared by all the requests served by each nginx worker process:
+local rrcache,err = lrucache.new(500) -- allow up to 200 items in the cache
+if not rrcache then
+ return ngx.log(ngx.ERR,"failed to create the cache: " .. (err or "unknown"))
+end
+
+function _M.get(key)
+ return rrcache:get(key)
+end
+
+function _M.set(key,value)
+ rrcache:set(key, value)
+end
+
+return _M
\ No newline at end of file |