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

From: @liubuyu
Reviewed-by: @zhoufeng54,@jjfeing
Signed-off-by:

From: @nicholas_yhr
Reviewed-by: @jjfeing,@kisnwang,@zhoufeng54
Signed-off-by: @lilongfei15

From: @ling_qiao_min
Reviewed-by: @zhanghaibo5,@hangangqiang
Signed-off-by: @zhanghaibo5

From: @xulei2020
Reviewed-by: @leonwanghui,@liucunwei
Signed-off-by: @liucunwei

From: @luopengting
Reviewed-by: @ouwenchang,@lilongfei15
Signed-off-by: @lilongfei15

From: @zhouneng2
Reviewed-by: @linqingke
Signed-off-by: @linqingke

From: @youui
Reviewed-by: @zh_qh,@zhoufeng54
Signed-off-by: @zh_qh

From: @ms_yan
Reviewed-by: @liucunwei
Signed-off-by: @liucunwei

From: @mind-lh
Reviewed-by: @zh_qh,@liangchenghui
Signed-off-by: @liangchenghui

From: @yangjie159
Reviewed-by: @wangchengyuan
Signed-off-by: @wangchengyuan

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

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

From: @shenwei41
Reviewed-by: @liucunwei,@pandoublefeng
Signed-off-by: @liucunwei

From: @nicholas_yhr
Reviewed-by: @xsmq,@zhoufeng54
Signed-off-by: @xsmq

From: @lvchangquan
Reviewed-by: @chujinjin,@jjfeing,@lilongfei15
Signed-off-by: @lilongfei15

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

1. check whether path is empty in IsEveryFilenameValid().
2. do not print the string in IsStrLengthValid(), it's not safe.
3. make the constants about hash in recorder_manager.h.
4. initialize some variables.

From: @xiefangqi
Reviewed-by: @liucunwei,@heleiwang
Signed-off-by: @liucunwei

From: @gzhcv
Reviewed-by: @ouwenchang,@lilongfei15
Signed-off-by: @lilongfei15

From: @mamba_ni
Reviewed-by: @wang_zi_dong,@ljl0711
Signed-off-by: @wang_zi_dong

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

From: @xiefangqi
Reviewed-by: @liucunwei,@oacjiewen
Signed-off-by: @liucunwei

From: @liu_xiao_93
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @HulkTang
Reviewed-by: @zhoufeng54,@jjfeing
Signed-off-by: @zhoufeng54

From: @liuyang_655
Reviewed-by: @zh_qh,@zhunaipan
Signed-off-by: @zh_qh

From: @shenwei41
Reviewed-by: 
Signed-off-by:

From: @yuchaojie
Reviewed-by: @kisnwang,@zhoufeng54
Signed-off-by: @zhoufeng54

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

From: @zoloft
Reviewed-by: @wangchengyuan,@jpc_chenjianping
Signed-off-by: @wangchengyuan

From: @youui
Reviewed-by: @zhoufeng54,@kisnwang
Signed-off-by: @kisnwang