listen to ConfigManager channel for commands

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/f2f200910@135 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/bind-cfgd/bind-cfgd.py

@@ -3,6 +3,7 @@ import ISC
 class ConfigManager:
     def __init__(self):
         self.cc = ISC.CC.Session()
+        self.cc.group_subscribe("ConfigManager")
 
     def read_config(self, filename):
         pass
@@ -12,6 +13,9 @@ class ConfigManager:
 
     def run(self):
         while (True):
+            env, msg = self.cc.group_recvmsg(False)
+            print "message: "
+            print msg
             pass
 
 if __name__ == "__main__":