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+# -------------------------------------------------------------------------
+# Copyright (c) 2018 Huawei Intellectual Property
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import requests
+from requests.auth import HTTPBasicAuth
+
+from osdf.utils.mdc_utils import mdc_from_json
+
+
+class RouteOpt:
+
+ """
+ This values will need to deleted..
+ only added for the debug purpose
+ """
+ # DNS server and standard port of AAI..
+ # TODO: read the port from the configuration and add to DNS
+ aai_host = "https://aai.api.simpledemo.onap.org:8443"
+ aai_headers = {
+ "X-TransactionId": "9999",
+ "X-FromAppId": "OOF",
+ "Accept": "application/json",
+ "Content-Type": "application/json",
+ "Real-Time": "true"
+ }
+
+ def isCrossONAPLink(self, logical_link):
+ """
+ This method checks if cross link is cross onap
+ :param logical_link:
+ :return:
+ """
+ for relationship in logical_link["relationship-list"]["relationship"]:
+ if relationship["related-to"] == "ext-aai-network":
+ return True
+ return False
+
+ def getRoute(self, request):
+ """
+ This method checks
+ :param logical_link:
+ :return:
+ """
+ mdc_from_json(request)
+
+ src_access_node_id = request["srcPort"]["src-access-node-id"]
+ dst_access_node_id = request["dstPort"]["dst-access-node-id"]
+
+
+ ingress_p_interface = None
+ egress_p_interface = None
+
+ # for the case of request_json for same domain, return the same node with destination update
+ if src_access_node_id == dst_access_node_id:
+ data = '{'\
+ '"vpns":['\
+ '{'\
+ '"access-topology-id": "' + request["srcPort"]["src-access-topology-id"] + '",'\
+ '"access-client-id": "' + request["srcPort"]["src-access-client-id"] + '",'\
+ '"access-provider-id": "' + request["srcPort"]["src-access-provider-id"]+ '",'\
+ '"access-node-id": "' + request["srcPort"]["src-access-node-id"]+ '",'\
+ '"src-access-ltp-id": "' + request["srcPort"]["src-access-ltp-id"]+ '",'\
+ '"dst-access-ltp-id": "' + request["dstPort"]["dst-access-ltp-id"] +'"'\
+ '}'\
+ ']'\
+ '}'
+ return data
+ else:
+ logical_links = self.get_logical_links()
+
+ # take the logical link where both the p-interface in same onap
+ if logical_links != None:
+ for logical_link in logical_links.get("logical-link"):
+ if not self.isCrossONAPLink(logical_link):
+ # link is in local ONAP
+ for relationship in logical_link["relationship-list"]["relationship"]:
+ if relationship["related-to"] == "p-interface":
+ if src_access_node_id in relationship["related-link"]:
+ i_interface = relationship["related-link"].split("/")[-1]
+ ingress_p_interface = i_interface.split("-")[-1]
+ if dst_access_node_id in relationship["related-link"]:
+ e_interface = relationship["related-link"].split("/")[-1]
+ egress_p_interface = e_interface.split("-")[-1]
+ data = '{'\
+ '"vpns":['\
+ '{'\
+ '"access-topology-id": "' + request["srcPort"]["src-access-topology-id"] + '",'\
+ '"access-client-id": "' + request["srcPort"]["src-access-client-id"] + '",'\
+ '"access-provider-id": "' + request["srcPort"]["src-access-provider-id"]+ '",'\
+ '"access-node-id": "' + request["srcPort"]["src-access-node-id"]+ '",'\
+ '"src-access-ltp-id": "' + request["srcPort"]["src-access-ltp-id"]+ '",'\
+ '"dst-access-ltp-id": "' + ingress_p_interface +'"'\
+ '},'\
+ '{' \
+ '"access-topology-id": "' + request["dstPort"]["dst-access-topology-id"] + '",' \
+ '"access-topology-id": "' + request["dstPort"]["dst-access-topology-id"]+ '",' \
+ '"access-provider-id": "' + request["dstPort"]["dst-access-provider-id"]+ '",' \
+ '"access-node-id": "' + request["dstPort"]["dst-access-node-id"]+ '",' \
+ '"src-access-ltp-id": "' + egress_p_interface + '",' \
+ '"dst-access-ltp-id": "' + request["dstPort"]["dst-access-ltp-id"] + '"' \
+ '}'\
+ ']'\
+ '}'
+ return data
+
+
+ def get_pinterface(self, url):
+ """
+ This method returns details for p interface
+ :return: details of p interface
+ """
+ aai_req_url = self.aai_host + url
+ response = requests.get(aai_req_url,
+ headers=self.aai_headers,
+ auth=HTTPBasicAuth("AAI", "AAI"),
+ verify=False)
+
+ if response.status_code == 200:
+ return response.json()
+
+
+ def get_logical_links(self):
+ """
+ This method returns list of all cross ONAP links
+ from /aai/v14/network/logical-links?operation-status="Up"
+ :return: logical-links[]
+ """
+ logical_link_url = "/aai/v13/network/logical-links?operational-status=up"
+ aai_req_url = self.aai_host + logical_link_url
+
+ response = requests.get(aai_req_url,
+ headers=self.aai_headers,
+ auth=HTTPBasicAuth("AAI", "AAI"),
+ verify=False)
+
+ logical_links = None
+ if response.status_code == 200:
+ return response.json() \ No newline at end of file