From: @zpac
Reviewed-by: 
Signed-off-by:

From: @mhmotallebi
Reviewed-by: 
Signed-off-by:

From: @changzherui
Reviewed-by: @kingxian,@zh_qh
Signed-off-by: @kingxian

Add class Message, AddrStorage

Add Kernel folder

Add consistent hash ring

Add updater for server.

Add iteration timer

Add executor for server

From: @erpim
Reviewed-by: 
Signed-off-by:

From: @zh_qh
Reviewed-by: @ginfung,@hwhewei
Signed-off-by: @hwhewei

From: @alexyuyue
Reviewed-by: @nsyca,@robingrosman
Signed-off-by: @robingrosman

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

From: @liu_luobin
Reviewed-by: @baochong,@chongbao
Signed-off-by:

From: @zhoufeng54
Reviewed-by: 
Signed-off-by:

From: @islam_amin
Reviewed-by: @john_tzanakakis,@tom__chen,@robingrosman
Signed-off-by: @john_tzanakakis

From: @lyvette
Reviewed-by: @jpc_chenjianping,@hangangqiang
Signed-off-by: @jpc_chenjianping

From: @yangzhenzhang
Reviewed-by: @kisnwang,@stsuteng
Signed-off-by: @stsuteng

From: @luoyang42
Reviewed-by: @tiancixiao
Signed-off-by:

From: @liyong126
Reviewed-by: @liucunwei,@jonyguo
Signed-off-by: @liucunwei

From: @yangzhenzhang
Reviewed-by: @kisnwang,@stsuteng
Signed-off-by: @stsuteng

From: @xiaoda_zh
Reviewed-by: @yangzhenzhang,@stsuteng
Signed-off-by: @stsuteng

fix static check

From: @jachua
Reviewed-by: @guoqi1024,@kisnwang
Signed-off-by: @kisnwang

From: @yao_yf
Reviewed-by: @yangzhenzhang,@stsuteng
Signed-off-by: @stsuteng

From: @lixiachen
Reviewed-by: @robingrosman,@nsyca
Signed-off-by: @robingrosman

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

From: @zhangyunshu
Reviewed-by: @yelihua,@ouwenchang
Signed-off-by: @ouwenchang

From: @yangzhenzhang
Reviewed-by: @stsuteng,@kisnwang
Signed-off-by: @stsuteng

From: @yangzhenzhang
Reviewed-by: @kisnwang,@stsuteng,@stsuteng
Signed-off-by: @stsuteng,@stsuteng

From: @yao_yf
Reviewed-by: @yangzhenzhang,@stsuteng
Signed-off-by: @stsuteng

From: @yepei6
Reviewed-by: @yanglf1121,@kingxian
Signed-off-by: @kingxian

From: @zhangzhaoju
Reviewed-by: @zh_qh,@ginfung
Signed-off-by: @zh_qh

From: @changzherui
Reviewed-by: @kingxian,@zhoufeng54
Signed-off-by: @kingxian