tree b287e18a0f3a3cd8a261b7c09177353cde1dd05c
parent a10137c0fc8f507d112b332f31c05d9ba63ead92
author Andreas Pantelopoulos <andreas@opennetworking.org> 1521440275 -0700
committer Charles Chan <charles@opennetworking.org> 1522800974 +0000

Better validity checks for paths chosen for pws.

As per Saurav's suggestion, checking the size of the path
could lead to unwanted scenarions. From now on, we check the
devices on the path, if they are edge or not, and according
to the type of pseudowire we validate the path.

Change-Id: I2e3a76524a12244199e0a8f409dd95fc1a3c2b2e