add node state, test change node mq length.

lichao

2021-04-21 faa795164368ec444410374699548bb27b0d95ce

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*.un~
build/
debug/
release/
Makefile
utest/utest
*.bak
gmon.out
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
api/go/bhome_msg/*.pb.go