Matteo Scandolo | fcf842e | 2017-08-08 13:05:25 -0700 | [diff] [blame^] | 1 | |
| 2 | # Copyright 2017-present Open Networking Foundation |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | |
Rizwan Haider | 65baf55 | 2016-09-28 16:47:28 -0400 | [diff] [blame] | 17 | import json |
| 18 | from synchronizers.metronetwork.invokers.invoker import Invoker |
| 19 | from services.metronetwork.models import NetworkMultipointToMultipointConnection, NetworkEdgePort |
| 20 | |
| 21 | class NetworkMultipointToMultipointInvoker(Invoker): |
| 22 | |
| 23 | def __init__(self, **args): |
| 24 | pass |
| 25 | |
| 26 | # Method for handline pre save semantics |
| 27 | # content here would be model specific but could include handling Many-to-Many relationship |
| 28 | # creation - which must occur post save |
| 29 | # |
| 30 | # obj - Whatever obj was just saved |
| 31 | # returns - None - this is a pure invoke() call, return type is None |
| 32 | # |
| 33 | def presave(self, obj): |
| 34 | pass |
| 35 | |
| 36 | |
| 37 | # Method for handline post save semantics |
| 38 | # content here would be model specific but could include handling Many-to-Many relationship |
| 39 | # creation - which must occur post save |
| 40 | # |
| 41 | # obj - Whatever obj was just saved |
| 42 | # returns - N/A - this is a pure invoke() call |
| 43 | # |
| 44 | def postsave(self, obj): |
| 45 | # |
| 46 | # Ok - we need to handle the multipoint many-to-many relationships in here |
| 47 | # |
| 48 | # By design convnetion we will look for them in the 'backend_register' object field |
| 49 | # this is a json field that is general purpose - we will expect to find a JSON array |
| 50 | # called 'eps' that just containts a reference to a bunch of NetworkEdgePorts |
| 51 | # |
| 52 | # |
Rizwan Haider | e6ffdc0 | 2016-11-08 13:43:48 -0500 | [diff] [blame] | 53 | if hasattr(obj, 'eps_createbuffer'): |
| 54 | scratchpad = json.loads(obj.eps_createbuffer) |
| 55 | eps = scratchpad['eps'] |
Rizwan Haider | 65baf55 | 2016-09-28 16:47:28 -0400 | [diff] [blame] | 56 | |
Rizwan Haider | e6ffdc0 | 2016-11-08 13:43:48 -0500 | [diff] [blame] | 57 | for ep in eps: |
| 58 | port = NetworkEdgePort.objects.get(pid=ep) |
| 59 | obj.eps.add(port) |