| /* |
| * Copyright 2016-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.provider.bgpcep.flow.impl; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onosproject.bgp.controller.BgpController; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleBatchOperation; |
| import org.onosproject.net.flow.FlowRuleProvider; |
| import org.onosproject.net.flow.FlowRuleProviderRegistry; |
| import org.onosproject.net.flow.FlowRuleProviderService; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.net.resource.ResourceService; |
| import org.onosproject.pcep.controller.PcepClient; |
| import org.onosproject.pcep.controller.PcepClientController; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of BGP-PCEP flow provider. |
| */ |
| @Component(immediate = true) |
| public class BgpcepFlowRuleProvider extends AbstractProvider |
| implements FlowRuleProvider { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleProviderRegistry providerRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService cfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected BgpController bgpController; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PcepClientController pcepController; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ResourceService resourceService; |
| |
| private FlowRuleProviderService providerService; |
| |
| /** |
| * Creates a BgpFlow host provider. |
| */ |
| public BgpcepFlowRuleProvider() { |
| super(new ProviderId("l3", "org.onosproject.provider.bgpcep")); |
| } |
| |
| @Activate |
| public void activate(ComponentContext context) { |
| cfgService.registerProperties(getClass()); |
| providerService = providerRegistry.register(this); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate(ComponentContext context) { |
| cfgService.unregisterProperties(getClass(), false); |
| providerRegistry.unregister(this); |
| providerService = null; |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void applyFlowRule(FlowRule... flowRules) { |
| for (FlowRule flowRule : flowRules) { |
| applyRule(flowRule); |
| } |
| } |
| |
| private void applyRule(FlowRule flowRule) { |
| flowRule.selector().criteria() |
| .forEach(c -> { |
| // If Criterion type is MPLS_LABEL, push labels through PCEP client |
| if (c.type() == Criterion.Type.MPLS_LABEL) { |
| PcepClient pcc; |
| /** PCC client session is based on LSR ID, get the LSR ID for a specific device to |
| push the flows */ |
| |
| //TODO: commented code has dependency with other patch |
| /* Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources |
| .discrete(flowRule.deviceId()).id(), TeRouterId.class); |
| |
| lrsIds.forEach(lsrId -> |
| { |
| if (pcepController.getClient(PccId.pccId(lsrId)) != null) { |
| pcc = pcepController.getClient(PccId.pccId(lsrId)); |
| } |
| });*/ |
| // TODO: Build message and send the PCEP label message via PCEP client |
| } else { |
| // TODO: Get the BGP peer based on deviceId and send the message |
| } |
| }); |
| } |
| |
| @Override |
| public void removeFlowRule(FlowRule... flowRules) { |
| for (FlowRule flowRule : flowRules) { |
| removeRule(flowRule); |
| } |
| } |
| |
| private void removeRule(FlowRule flowRule) { |
| flowRule.selector().criteria() |
| .forEach(c -> { |
| // If Criterion type is MPLS_LABEL, remove the specified flow rules |
| if (c.type() == Criterion.Type.MPLS_LABEL) { |
| PcepClient pcc; |
| /** PCC client session is based on LSR ID, get the LSR ID for a specific device to |
| push the flows */ |
| |
| //TODO: commented code has dependency with other patch |
| /* Set<TeRouterId> lrsIds = resourceService.getAvailableResourceValues(Resources |
| .discrete(flowRule.deviceId()).id(), TeRouterId.class); |
| |
| lrsIds.forEach(lsrId -> |
| { |
| if (pcepController.getClient(PccId.pccId(lsrId)) != null) { |
| pcc = pcepController.getClient(PccId.pccId(lsrId)); |
| } |
| });*/ |
| // TODO: Build message and send the PCEP label message via PCEP client |
| } else { |
| // TODO: Get the BGP peer based on deviceId and send the message |
| } |
| }); |
| } |
| |
| @Override |
| public void removeRulesById(ApplicationId id, FlowRule... flowRules) { |
| // TODO |
| removeFlowRule(flowRules); |
| } |
| |
| @Override |
| public void executeBatch(FlowRuleBatchOperation batch) { |
| //TODO |
| } |
| } |