| /* |
| * 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.driver.optical.config; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import java.util.Collection; |
| import java.util.LinkedHashSet; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.flow.DefaultFlowEntry; |
| import org.onosproject.net.flow.FlowEntry; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleProgrammable; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.onosproject.net.flow.FlowEntry.FlowEntryState; |
| import org.slf4j.Logger; |
| |
| // TODO consider relocating |
| /** |
| * {@link FlowRuleProgrammable} which pretends it accepted the requests. |
| * |
| * Can be useful, when you need to send totally different flow rules |
| * down to the Device. |
| */ |
| @Beta |
| public class ConfigFlowRuleProgrammable |
| extends AbstractHandlerBehaviour |
| implements FlowRuleProgrammable { |
| |
| private static final Logger log = getLogger(ConfigFlowRuleProgrammable.class); |
| |
| |
| @Override |
| public Collection<FlowEntry> getFlowEntries() { |
| Set<FlowRule> flowtable = getFlowTable(getFlowTableConfig()); |
| return flowtable.stream() |
| .map(fr -> new DefaultFlowEntry(fr, FlowEntryState.ADDED)) |
| .collect(Collectors.toList()); |
| } |
| |
| @Override |
| public Collection<FlowRule> applyFlowRules(Collection<FlowRule> rules) { |
| log.trace("applyFlowRules: {}", rules); |
| |
| Optional<FlowTableConfig> config = createFlowTableConfig(); |
| Set<FlowRule> table = new LinkedHashSet<>(getFlowTable(config)); |
| table.addAll(rules); |
| config.map(cfg -> cfg.flowtable(table)) |
| .ifPresent(cfg -> cfg.apply()); |
| log.trace("Updated flowtable: {}", table); |
| return table; |
| } |
| |
| @Override |
| public Collection<FlowRule> removeFlowRules(Collection<FlowRule> rules) { |
| log.trace("removeFlowRules: {}", rules); |
| Optional<FlowTableConfig> config = getFlowTableConfig(); |
| Set<FlowRule> table = new LinkedHashSet<>(getFlowTable(config)); |
| table.removeAll(rules); |
| config.map(cfg -> cfg.flowtable(table)) |
| .ifPresent(cfg -> cfg.apply()); |
| log.trace("Updated flowtable: {}", table); |
| return table; |
| } |
| |
| private Set<FlowRule> getFlowTable(Optional<FlowTableConfig> cfg) { |
| Set<FlowRule> flowtable = cfg |
| .map(FlowTableConfig::flowtable) |
| .orElse(ImmutableSet.of()); |
| return flowtable; |
| } |
| |
| private Optional<FlowTableConfig> createFlowTableConfig() { |
| NetworkConfigService netcfg = handler().get(NetworkConfigService.class); |
| DeviceId did = data().deviceId(); |
| return Optional.ofNullable(netcfg.addConfig(did, FlowTableConfig.class)); |
| } |
| |
| private Optional<FlowTableConfig> getFlowTableConfig() { |
| NetworkConfigService netcfg = handler().get(NetworkConfigService.class); |
| DeviceId did = data().deviceId(); |
| return Optional.ofNullable(netcfg.getConfig(did, FlowTableConfig.class)); |
| } |
| |
| } |