[portsorch] Portsorch simple improvements#718

Merged

qiluo-msft merged 4 commits intosonic-net:masterfrom

stepanblyschak:portsorch_improvements

Dec 3, 2018

Commits on Dec 3, 2018

[portsorch] throw runtime_error object instead of const char*
Stepan Blyschak
committed
[portsorch] simple improvements for portsorch
Stepan Blyschak
committed
[portsorch]] address comments
Stepan Blyschak
committed
[portsorch] make setHostIntfsOperStatus/updateDbPortOperStatus const
Stepan Blyschak
committed