Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 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 | |
| 17 | package org.onosproject.store.serializers; |
| 18 | |
| 19 | import com.esotericsoftware.kryo.Kryo; |
| 20 | import com.esotericsoftware.kryo.Serializer; |
| 21 | import com.esotericsoftware.kryo.io.Input; |
| 22 | import com.esotericsoftware.kryo.io.Output; |
| 23 | import org.onlab.osgi.DefaultServiceDirectory; |
Frank Wang | 72c5e43 | 2016-09-23 17:20:49 +0800 | [diff] [blame] | 24 | import org.onlab.util.ItemNotFoundException; |
Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 25 | import org.onosproject.net.DeviceId; |
| 26 | import org.onosproject.net.behaviour.ExtensionSelectorResolver; |
| 27 | import org.onosproject.net.driver.DefaultDriverData; |
| 28 | import org.onosproject.net.driver.DefaultDriverHandler; |
| 29 | import org.onosproject.net.driver.DriverHandler; |
| 30 | import org.onosproject.net.driver.DriverService; |
| 31 | import org.onosproject.net.flow.criteria.Criteria; |
| 32 | import org.onosproject.net.flow.criteria.ExtensionCriterion; |
| 33 | import org.onosproject.net.flow.criteria.ExtensionSelector; |
| 34 | import org.onosproject.net.flow.criteria.ExtensionSelectorType; |
Frank Wang | 72c5e43 | 2016-09-23 17:20:49 +0800 | [diff] [blame] | 35 | import org.onosproject.net.flow.criteria.UnresolvedExtensionSelector; |
Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 36 | |
| 37 | /** |
| 38 | * Serializer for extension criteria. |
| 39 | */ |
| 40 | public class ExtensionCriterionSerializer extends Serializer<ExtensionCriterion> { |
| 41 | |
| 42 | /** |
| 43 | * Constructs a extension criterion serializer. |
| 44 | */ |
| 45 | public ExtensionCriterionSerializer() { |
| 46 | super(false, true); |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public void write(Kryo kryo, Output output, ExtensionCriterion object) { |
| 51 | kryo.writeClassAndObject(output, object.extensionSelector().type()); |
| 52 | kryo.writeClassAndObject(output, object.deviceId()); |
| 53 | kryo.writeClassAndObject(output, object.extensionSelector().serialize()); |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public ExtensionCriterion read(Kryo kryo, Input input, |
| 58 | Class<ExtensionCriterion> type) { |
| 59 | ExtensionSelectorType exType = (ExtensionSelectorType) kryo.readClassAndObject(input); |
| 60 | DeviceId deviceId = (DeviceId) kryo.readClassAndObject(input); |
Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 61 | DriverService driverService = DefaultServiceDirectory.getService(DriverService.class); |
Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 62 | byte[] bytes = (byte[]) kryo.readClassAndObject(input); |
Frank Wang | 72c5e43 | 2016-09-23 17:20:49 +0800 | [diff] [blame] | 63 | ExtensionSelector selector; |
| 64 | |
| 65 | try { |
| 66 | DriverHandler handler = new DefaultDriverHandler( |
| 67 | new DefaultDriverData(driverService.getDriver(deviceId), deviceId)); |
| 68 | ExtensionSelectorResolver resolver = handler.behaviour(ExtensionSelectorResolver.class); |
| 69 | selector = resolver.getExtensionSelector(exType); |
| 70 | selector.deserialize(bytes); |
| 71 | } catch (ItemNotFoundException | IllegalArgumentException e) { |
| 72 | selector = new UnresolvedExtensionSelector(bytes, exType); |
| 73 | } |
| 74 | |
Charles Chan | 14967c2 | 2015-12-07 11:11:50 -0800 | [diff] [blame] | 75 | return Criteria.extension(selector, deviceId); |
| 76 | } |
| 77 | } |