| /* |
| * 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.ArrayList; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Optional; |
| |
| import static org.onosproject.drivers.polatis.netconf.PolatisOpticalUtility.POWER_MULTIPLIER; |
| import static org.onosproject.drivers.polatis.netconf.PolatisOpticalUtility.VOA_MULTIPLIER; |
| import static org.onosproject.drivers.polatis.netconf.PolatisOpticalUtility.POWER_RANGE; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.netconfGet; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.netconfEditConfig; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.configAt; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.configsAt; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.xml; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.xmlOpen; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.xmlClose; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_PORT; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_PORTID; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_OPM; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_OPM_XMLNS; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_DATA_OPM; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_DATA_OPM_PORT; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_VOA; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_VOA_XMLNS; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.KEY_DATA_VOA_PORT; |
| import static org.onosproject.drivers.polatis.netconf.PolatisNetconfUtility.CFG_MODE_MERGE; |
| |
| 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 String KEY_POWER = "power"; |
| private static final String KEY_ATTEN_LEVEL = "atten-level"; |
| private static final String KEY_ATTEN_MODE = "atten-mode"; |
| private static final String VALUE_ATTEN_MODE = "VOA_MODE_ABSOLUTE"; |
| |
| private static final Logger log = getLogger(PolatisPowerConfig.class); |
| |
| @Override |
| public Optional<Double> getTargetPower(PortNumber port, T component) { |
| Long power = acquireCurrentPower(port, component); |
| if (power == null) { |
| return Optional.empty(); |
| } |
| return Optional.of(power.doubleValue()); |
| } |
| |
| @Override |
| public void setTargetPower(PortNumber port, T component, double power) { |
| if (component instanceof OchSignal) { |
| log.warn("Channel power is not applicable."); |
| return; |
| } |
| setPortTargetPower(port, (long) power); |
| } |
| |
| @Override |
| public Optional<Double> currentPower(PortNumber port, T component) { |
| Long power = acquireCurrentPower(port, component); |
| if (power == null) { |
| return Optional.empty(); |
| } |
| return Optional.of(power.doubleValue()); |
| } |
| |
| @Override |
| public Optional<Range<Double>> getTargetPowerRange(PortNumber port, T component) { |
| Range<Long> power = getTxPowerRange(port, component); |
| if (power == null) { |
| return Optional.empty(); |
| } |
| return Optional.of(Range.closed((double) power.lowerEndpoint(), (double) power.upperEndpoint())); |
| } |
| |
| @Override |
| public Optional<Range<Double>> getInputPowerRange(PortNumber port, T component) { |
| Range<Long> power = getRxPowerRange(port, component); |
| if (power == null) { |
| return Optional.empty(); |
| } |
| return Optional.of(Range.closed((double) power.lowerEndpoint(), (double) power.upperEndpoint())); |
| } |
| |
| @Override |
| public List<PortNumber> getPorts(T component) { |
| if (component instanceof OchSignal) { |
| log.warn("Channel component is not applicable."); |
| return new ArrayList<PortNumber>(); |
| } |
| log.debug("Get port config ports..."); |
| return acquirePorts(); |
| } |
| |
| private List<PortNumber> acquirePorts() { |
| String filter = getPortPowerFilter(null); |
| String reply = netconfGet(handler(), filter); |
| List<HierarchicalConfiguration> subtrees = configsAt(reply, KEY_DATA_OPM); |
| List<PortNumber> ports = new ArrayList<PortNumber>(); |
| for (HierarchicalConfiguration portConfig : subtrees) { |
| ports.add(PortNumber.portNumber(portConfig.getLong(KEY_PORTID))); |
| } |
| return ports; |
| } |
| |
| /** |
| * Get the filter string for the OPM power NETCONF request. |
| * |
| * @param port the port, null to return all the opm ports |
| * @return filter string |
| */ |
| private String getPortPowerFilter(PortNumber port) { |
| StringBuilder filter = new StringBuilder(xmlOpen(KEY_OPM_XMLNS)) |
| .append(xmlOpen(KEY_PORT)) |
| .append(xmlOpen(KEY_PORTID)); |
| if (port != null) { |
| filter.append(port.toLong()); |
| } |
| return filter.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); |
| return acquirePortAttenuation(port); |
| } |
| |
| /** |
| * Get the filter string for the attenuation NETCONF request. |
| * |
| * @param port the port, null to return all the attenuation ports |
| * @return filter string |
| */ |
| private String getPortAttenuationFilter(PortNumber port) { |
| StringBuilder filter = new StringBuilder(xmlOpen(KEY_VOA_XMLNS)) |
| .append(xmlOpen(KEY_PORT)) |
| .append(xmlOpen(KEY_PORTID)); |
| if (port != null) { |
| filter.append(port.toLong()); |
| } |
| return filter.append(xmlClose(KEY_PORTID)) |
| .append(xmlOpen(KEY_ATTEN_LEVEL)) |
| .append(xmlClose(KEY_ATTEN_LEVEL)) |
| .append(xmlClose(KEY_PORT)) |
| .append(xmlClose(KEY_VOA)) |
| .toString(); |
| } |
| |
| private Long acquirePortAttenuation(PortNumber port) { |
| String filter = getPortAttenuationFilter(port); |
| String reply = netconfGet(handler(), filter); |
| HierarchicalConfiguration info = configAt(reply, KEY_DATA_VOA_PORT); |
| if (info == null) { |
| return null; |
| } |
| long attenuation = 0; |
| try { |
| attenuation = (long) (info.getDouble(KEY_ATTEN_LEVEL) * VOA_MULTIPLIER); |
| } catch (NoSuchElementException e) { |
| log.debug("Could not find atten-level for port {}", port); |
| } |
| |
| return attenuation; |
| } |
| |
| 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); |
| String cfg = new StringBuilder(xmlOpen(KEY_VOA_XMLNS)) |
| .append(xmlOpen(KEY_PORT)) |
| .append(xml(KEY_PORTID, Long.toString(port.toLong()))) |
| .append(xml(KEY_ATTEN_MODE, VALUE_ATTEN_MODE)) |
| .append(xml(KEY_ATTEN_LEVEL, Double.toString((double) power / VOA_MULTIPLIER))) |
| .append(xmlClose(KEY_PORT)) |
| .append(xmlClose(KEY_VOA)) |
| .toString(); |
| return netconfEditConfig(handler(), CFG_MODE_MERGE, cfg); |
| } |
| |
| 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.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(); |
| } |
| } |