| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * 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. |
| */ |
| |
| package org.onosproject.drivers.huawei; |
| |
| import org.onlab.osgi.ServiceNotFoundException; |
| import org.onosproject.config.DynamicConfigService; |
| import org.onosproject.config.FailedException; |
| import org.onosproject.l3vpn.netl3vpn.BgpDriverInfo; |
| import org.onosproject.l3vpn.netl3vpn.BgpInfo; |
| import org.onosproject.net.behaviour.L3VpnConfig; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.yang.gen.v1.l3vpn.comm.type.rev20141225.NeL3VpncommType; |
| import org.onosproject.yang.gen.v1.ne.bgpcomm.rev20141225.NeBgpcomm; |
| import org.onosproject.yang.gen.v1.ne.bgpcomm.type.rev20141225.NeBgpcommType; |
| import org.onosproject.yang.gen.v1.ne.l3vpn.api.rev20141225.NeL3VpnApi; |
| import org.onosproject.yang.gen.v1.ne.l3vpn.comm.rev20141225.NeL3Vpncomm; |
| import org.onosproject.yang.model.DataNode; |
| import org.onosproject.yang.model.ModelObjectData; |
| import org.onosproject.yang.model.ResourceId; |
| import org.onosproject.yang.model.YangModel; |
| import org.onosproject.yang.model.YangModuleId; |
| import org.onosproject.yang.runtime.DefaultAppModuleInfo; |
| import org.onosproject.yang.runtime.ModelRegistrationParam; |
| import org.onosproject.yang.runtime.YangModelRegistry; |
| |
| import java.util.Iterator; |
| |
| import static org.onosproject.drivers.huawei.BgpConstructionUtil.getCreateBgp; |
| import static org.onosproject.drivers.huawei.BgpConstructionUtil.getDeleteBgp; |
| import static org.onosproject.drivers.huawei.DriverUtil.DEVICES; |
| import static org.onosproject.drivers.huawei.DriverUtil.NAMESPACE; |
| import static org.onosproject.drivers.huawei.DriverUtil.SERVICE_NOT_FOUND; |
| import static org.onosproject.drivers.huawei.DriverUtil.SLASH; |
| import static org.onosproject.drivers.huawei.InsConstructionUtil.getCreateVpnIns; |
| import static org.onosproject.drivers.huawei.InsConstructionUtil.getDeleteVpnIns; |
| import static org.onosproject.drivers.huawei.IntConstructionUtil.getCreateInt; |
| import static org.onosproject.yang.runtime.DefaultModelRegistrationParam.builder; |
| import static org.onosproject.yang.runtime.helperutils.YangApacheUtils.getYangModel; |
| |
| /** |
| * Configures l3vpn on Huawei devices. |
| */ |
| public class HuaweiL3VpnConfig extends AbstractHandlerBehaviour |
| implements L3VpnConfig { |
| |
| /** |
| * YANG model registry. |
| */ |
| protected YangModelRegistry modelRegistry; |
| |
| /** |
| * Dynamic config service. |
| */ |
| protected DynamicConfigService configService; |
| |
| /** |
| * Constructs huawei L3VPN config. |
| */ |
| public HuaweiL3VpnConfig() { |
| } |
| |
| /** |
| * Takes the YANG model registry service and registers the driver YANG. |
| * If service is not available it throws exception. |
| */ |
| private void init() { |
| try { |
| modelRegistry = handler().get(YangModelRegistry.class); |
| configService = handler().get(DynamicConfigService.class); |
| registerModel(); |
| } catch (ServiceNotFoundException e) { |
| throw new ServiceNotFoundException(SERVICE_NOT_FOUND); |
| } |
| } |
| |
| /** |
| * Registers the huawei generated classes to the YANG model. |
| */ |
| private void registerModel() { |
| YangModel model = getYangModel(NeBgpcomm.class); |
| Iterator<YangModuleId> it = model.getYangModulesId().iterator(); |
| |
| //Create model registration param. |
| ModelRegistrationParam.Builder b = builder().setYangModel(model); |
| YangModuleId id; |
| while (it.hasNext()) { |
| id = it.next(); |
| switch (id.moduleName()) { |
| case "ne-bgpcomm": |
| b.addAppModuleInfo(id, new DefaultAppModuleInfo( |
| NeBgpcomm.class, null)); |
| break; |
| case "ne-bgpcomm-type": |
| b.addAppModuleInfo(id, new DefaultAppModuleInfo( |
| NeBgpcommType.class, null)); |
| break; |
| case "ne-l3vpn-api": |
| b.addAppModuleInfo(id, new DefaultAppModuleInfo( |
| NeL3VpnApi.class, null)); |
| break; |
| case "ne-l3vpncomm": |
| b.addAppModuleInfo(id, new DefaultAppModuleInfo( |
| NeL3Vpncomm.class, null)); |
| break; |
| case "ne-l3vpncomm-type": |
| b.addAppModuleInfo(id, new DefaultAppModuleInfo( |
| NeL3VpncommType.class, null)); |
| break; |
| default: |
| break; |
| } |
| } |
| ModelRegistrationParam regParam = b.build(); |
| modelRegistry.registerModel(regParam); |
| } |
| |
| @Override |
| public Object createInstance(Object objectData) { |
| if (modelRegistry == null) { |
| init(); |
| } |
| return getCreateVpnIns((ModelObjectData) objectData, |
| isDevicesPresent()); |
| } |
| |
| @Override |
| public Object bindInterface(Object objectData) { |
| return getCreateInt((ModelObjectData) objectData); |
| } |
| |
| @Override |
| public Object createBgpInfo(Object bgpInfo, Object bgpConfig) { |
| return getCreateBgp((BgpInfo) bgpInfo, (BgpDriverInfo) bgpConfig); |
| } |
| |
| |
| @Override |
| public Object deleteInstance(Object objectData) { |
| return getDeleteVpnIns((ModelObjectData) objectData); |
| } |
| |
| @Override |
| public Object unbindInterface(Object objectData) { |
| //TODO:To be committed. |
| return null; |
| } |
| |
| @Override |
| public Object deleteBgpInfo(Object bgpInfo, Object bgpConfig) { |
| return getDeleteBgp((BgpInfo) bgpInfo, (BgpDriverInfo) bgpConfig); |
| } |
| |
| /** |
| * Returns true if devices, which is the root node present in store; |
| * false otherwise. |
| * |
| * @return true if devices available; false otherwise |
| */ |
| private boolean isDevicesPresent() { |
| ResourceId resId = ResourceId.builder() |
| .addBranchPointSchema(SLASH, null) |
| .addBranchPointSchema(DEVICES, NAMESPACE).build(); |
| try { |
| DataNode node = configService.readNode(resId, null); |
| if (node != null) { |
| return true; |
| } |
| } catch (FailedException e) { |
| return false; |
| } |
| return false; |
| } |
| } |