| /* |
| * Copyright 2017 Open Networking Foundation |
| * |
| * 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.polatis.netconf; |
| |
| import com.google.common.collect.Range; |
| import org.apache.commons.configuration.HierarchicalConfiguration; |
| import org.onosproject.net.Direction; |
| import org.onosproject.net.OchSignal; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.PowerConfig; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.slf4j.Logger; |
| |
| import java.util.Optional; |
| |
| import static org.onosproject.drivers.polatis.netconf.PolatisOpticalUtility.POWER_MULTIPLIER; |
| import static org.onosproject.drivers.polatis.netconf.PolatisOpticalUtility.POWER_RANGE; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.*; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Get current or target port/channel power from a Polatis optical netconf device. |
| * Set target port power or channel attenuation to an optical netconf device. |
| */ |
| public class PolatisPowerConfig<T> extends AbstractHandlerBehaviour |
| implements PowerConfig<T> { |
| |
| private static final Logger log = getLogger(PolatisPowerConfig.class); |
| |
| @Override |
| public Optional<Long> getTargetPower(PortNumber port, T component) { |
| return Optional.ofNullable(acquireTargetPower(port, component)); |
| } |
| |
| @Override |
| public void setTargetPower(PortNumber port, T component, long power) { |
| if (component instanceof OchSignal) { |
| log.warn("Channel power is not applicable."); |
| return; |
| } |
| setPortTargetPower(port, power); |
| } |
| |
| @Override |
| public Optional<Long> currentPower(PortNumber port, T component) { |
| return Optional.ofNullable(acquireCurrentPower(port, component)); |
| } |
| |
| @Override |
| public Optional<Range<Long>> getTargetPowerRange(PortNumber port, T component) { |
| return Optional.ofNullable(getTxPowerRange(port, component)); |
| } |
| |
| @Override |
| public Optional<Range<Long>> getInputPowerRange(PortNumber port, T component) { |
| return Optional.ofNullable(getRxPowerRange(port, component)); |
| } |
| |
| private String getPortPowerFilter(PortNumber port) { |
| return new StringBuilder(xmlOpen(KEY_OPM_XMLNS)) |
| .append(xmlOpen(KEY_PORT)) |
| .append(xmlOpen(KEY_PORTID)) |
| .append(port.toLong()) |
| .append(xmlClose(KEY_PORTID)) |
| .append(xmlClose(KEY_PORT)) |
| .append(xmlClose(KEY_OPM)) |
| .toString(); |
| } |
| |
| private Long acquireTargetPower(PortNumber port, T component) { |
| if (component instanceof OchSignal) { |
| log.warn("Channel power is not applicable."); |
| return null; |
| } |
| log.debug("Get port{} target power...", port); |
| log.warn("This is currently unimplemented"); |
| return null; |
| } |
| |
| private Long acquireCurrentPower(PortNumber port, T component) { |
| if (component instanceof OchSignal) { |
| log.warn("Channel power is not applicable."); |
| return null; |
| } |
| log.debug("Get port{} current power...", port); |
| return acquirePortPower(port); |
| } |
| |
| private Long acquirePortPower(PortNumber port) { |
| String filter = getPortPowerFilter(port); |
| String reply = netconfGet(handler(), filter); |
| HierarchicalConfiguration info = configAt(reply, KEY_DATA_OPM_PORT); |
| if (info == null) { |
| return null; |
| } |
| return (long) (info.getDouble(KEY_POWER) * POWER_MULTIPLIER); |
| } |
| |
| private boolean setPortTargetPower(PortNumber port, long power) { |
| log.debug("Set port{} target power...", port); |
| log.warn("This is currently unimplemented"); |
| return false; |
| } |
| |
| private Range<Long> getPowerRange() { |
| return POWER_RANGE; |
| } |
| |
| private Range<Long> getTxPowerRange(PortNumber port, T component) { |
| if (component instanceof Direction) { |
| log.debug("Get target port{} power range...", port); |
| return getPowerRange(); |
| } else { |
| log.debug("Get channel attenuation range..."); |
| log.warn("Channel power is not applicable."); |
| return null; |
| } |
| } |
| |
| private Range<Long> getRxPowerRange(PortNumber port, T component) { |
| log.debug("Get input port{} power range...", port); |
| return getPowerRange(); |
| } |
| } |