Interdomain Component

• extended interdomain component to support DLT and non-DLT cases
• minor corrections in other components/tests

src/common/tools/service/ConstraintsChecker.py

-import grpc, logging
-from typing import Dict, List, Set, Tuple
-from common.Checkers import chk_string
-from common.exceptions.ServiceException import ServiceException
-from service.proto.context_pb2 import Constraint
-
-def check_constraint(
-    logger : logging.Logger, constraint_number : int, parent_name : str, constraint : Constraint,
-    add_constraints : Dict[str, Dict[str, Set[str]]]) -> Tuple[str, str]:
-
-    try:
-        constraint_type  = chk_string('constraint[#{}].constraint_type'.format(constraint_number),
-                                      constraint.constraint_type,
-                                      allow_empty=False)
-        constraint_value = chk_string('constraint[#{}].constraint_value'.format(constraint_number),
-                                      constraint.constraint_value,
-                                      allow_empty=False)
-    except Exception as e:
-        logger.exception('Invalid arguments:')
-        raise ServiceException(grpc.StatusCode.INVALID_ARGUMENT, str(e))
-
-    if constraint_type in add_constraints:
-        msg = 'Duplicated ConstraintType({}) in {}.'
-        msg = msg.format(constraint_type, parent_name)
-        raise ServiceException(grpc.StatusCode.INVALID_ARGUMENT, msg)
-
-    add_constraints[constraint_type] = constraint_value
-    return constraint_type, constraint_value
-
-def check_constraints(logger : logging.Logger, parent_name : str, constraints):
-    add_constraints : Dict[str, str] = {}
-    constraint_tuples : List[Tuple[str, str]] = []
-    for constraint_number,constraint in enumerate(constraints):
-        _parent_name = 'Constraint(#{}) of {}'.format(constraint_number, parent_name)
-        constraint_type, constraint_value = check_constraint(
-            logger, constraint_number, _parent_name, constraint, add_constraints)
-        constraint_tuples.append((constraint_type, constraint_value))
-    return constraint_tuples