From: @wangyanling10
Reviewed-by: @wuxuejian,@liangchenghui
Signed-off-by: @wuxuejian

From: @wilfchen
Reviewed-by: @limingqi107,@cristoval
Signed-off-by:

From: @probiotics_53
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @zhanghaibo5

From: @YeFeng_24
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @hangangqiang

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

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

Authors: John Tzanakakis, Adel Shafiei, Amir Lashkari, Islam Amin

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

From: @hfarahat
Reviewed-by: @robingrosman,@pandoublefeng
Signed-off-by: @pandoublefeng

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

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

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

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

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

From: @limingqi107
Reviewed-by: @cristoval,@wilfchen
Signed-off-by: @wilfchen

From: @limingqi107
Reviewed-by: @cristoval,@wilfchen
Signed-off-by: @wilfchen

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

From: @lijiaqi0612
Reviewed-by: @kingxian,@zh_qh
Signed-off-by: @kingxian

From: @liuyang_655
Reviewed-by: @zhoufeng54,@xsmq
Signed-off-by: @xsmq

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

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

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

From: @lianliguang
Reviewed-by: @ginfung,@chujinjin
Signed-off-by: @chujinjin

From: @lingyunli63
Reviewed-by: @gaoxiong1,@ckey_dou
Signed-off-by: @ckey_dou

From: @yang_chun
Reviewed-by: @c_34,@wuxuejian
Signed-off-by: @wuxuejian

From: @jianghui58
Reviewed-by: @jpc_chenjianping,@HilbertDavid
Signed-off-by: @HilbertDavid

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

From: @HilbertDavid
Reviewed-by: @zhanghaibo5,@ddwsky
Signed-off-by: @zhanghaibo5

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: @zoloft
Reviewed-by: 
Signed-off-by:

From: @wenfangpei
Reviewed-by: @dayschan,@ckey_dou,@gaoxiong1
Signed-off-by: @gaoxiong1