ONOS-3754 Create driver/behavior for Ciena waveserver
Change-Id: I2e8741f0ad858eb712f7fe4f4a5fdf5e146aefd6
diff --git a/drivers/src/main/java/org/onosproject/driver/XmlConfigParser.java b/drivers/src/main/java/org/onosproject/driver/XmlConfigParser.java
new file mode 100644
index 0000000..a5a05953
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/XmlConfigParser.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2015 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;
+
+import com.google.common.collect.Lists;
+import org.apache.commons.configuration.ConfigurationException;
+import org.apache.commons.configuration.HierarchicalConfiguration;
+import org.apache.commons.configuration.XMLConfiguration;
+import org.apache.commons.configuration.tree.ConfigurationNode;
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.ChannelSpacing;
+import org.onosproject.net.GridType;
+import org.onosproject.net.OchSignal;
+import org.onosproject.net.OduSignalType;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.behaviour.ControllerInfo;
+import org.onosproject.net.device.OchPortDescription;
+import org.onosproject.net.device.PortDescription;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.InputStream;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Parser for Netconf XML configurations and replys.
+ */
+public final class XmlConfigParser {
+ public static final Logger log = LoggerFactory
+ .getLogger(XmlConfigParser.class);
+
+ private XmlConfigParser() {
+ //not called, preventing any allocation
+ }
+
+
+ public static HierarchicalConfiguration loadXml(InputStream xmlStream) {
+ XMLConfiguration cfg = new XMLConfiguration();
+ try {
+ cfg.load(xmlStream);
+ return cfg;
+ } catch (ConfigurationException e) {
+ throw new IllegalArgumentException("Cannot load xml from Stream", e);
+ }
+ }
+
+ public static List<ControllerInfo> parseStreamControllers(HierarchicalConfiguration cfg) {
+ List<ControllerInfo> controllers = new ArrayList<>();
+ List<HierarchicalConfiguration> fields =
+ cfg.configurationsAt("data.capable-switch." +
+ "logical-switches." +
+ "switch.controllers.controller");
+ for (HierarchicalConfiguration sub : fields) {
+ controllers.add(new ControllerInfo(
+ IpAddress.valueOf(sub.getString("ip-address")),
+ Integer.parseInt(sub.getString("port")),
+ sub.getString("protocol")));
+ }
+ return controllers;
+ }
+
+ public static String parseSwitchId(HierarchicalConfiguration cfg) {
+ HierarchicalConfiguration field =
+ cfg.configurationAt("data.capable-switch." +
+ "logical-switches." +
+ "switch");
+ return field.getProperty("id").toString();
+ }
+
+ public static String parseCapableSwitchId(HierarchicalConfiguration cfg) {
+ HierarchicalConfiguration field =
+ cfg.configurationAt("data.capable-switch");
+ return field.getProperty("id").toString();
+ }
+
+ public static String createControllersConfig(HierarchicalConfiguration cfg,
+ HierarchicalConfiguration actualCfg,
+ String target, String netconfOperation,
+ String controllerOperation,
+ List<ControllerInfo> controllers) {
+ //cfg.getKeys().forEachRemaining(key -> System.out.println(key));
+ cfg.setProperty("edit-config.target", target);
+ cfg.setProperty("edit-config.default-operation", netconfOperation);
+ cfg.setProperty("edit-config.config.capable-switch.id",
+ parseCapableSwitchId(actualCfg));
+ cfg.setProperty("edit-config.config.capable-switch." +
+ "logical-switches.switch.id", parseSwitchId(actualCfg));
+ List<ConfigurationNode> newControllers = new ArrayList<>();
+ for (ControllerInfo ci : controllers) {
+ XMLConfiguration controller = new XMLConfiguration();
+ controller.setRoot(new HierarchicalConfiguration.Node("controller"));
+ String id = ci.type() + ":" + ci.ip() + ":" + ci.port();
+ controller.setProperty("id", id);
+ controller.setProperty("ip-address", ci.ip());
+ controller.setProperty("port", ci.port());
+ controller.setProperty("protocol", ci.type());
+ newControllers.add(controller.getRootNode());
+ }
+ cfg.addNodes("edit-config.config.capable-switch.logical-switches." +
+ "switch.controllers", newControllers);
+ XMLConfiguration editcfg = (XMLConfiguration) cfg;
+ StringWriter stringWriter = new StringWriter();
+ try {
+ editcfg.save(stringWriter);
+ } catch (ConfigurationException e) {
+ log.error("createControllersConfig()", e);
+ }
+ String s = stringWriter.toString()
+ .replaceAll("<controller>",
+ "<controller nc:operation=\"" + controllerOperation + "\">");
+ s = s.replace("<target>" + target + "</target>",
+ "<target><" + target + "/></target>");
+ return s;
+
+ }
+
+ public static List<HierarchicalConfiguration> parseWaveServerCienaPorts(HierarchicalConfiguration cfg) {
+ return cfg.configurationsAt("ws-ports.port-interface");
+ }
+
+ public static PortDescription parseWaveServerCienaOCHPorts(long portNumber, long oduPortSpeed,
+ HierarchicalConfiguration config,
+ SparseAnnotations annotations) {
+ final List<String> tunableType = Lists.newArrayList("Performance-Optimized", "Accelerated");
+ final String transmitterPath = "ptp-config.transmitter-state";
+ final String tunablePath = "ptp-config.adv-config.tx-tuning-mode";
+ final String gridTypePath = "ptp-config.adv-config.wl-spacing";
+ final String frequencyPath = "ptp-config.adv-config.frequency";
+
+ boolean isEnabled = config.getString(transmitterPath).equals("enabled");
+ boolean isTunable = tunableType.contains(config.getString(tunablePath));
+
+ //FIXME change when all optical types have two way information methods, see jira tickets
+ final int speed100GbpsinMbps = 100000;
+ OduSignalType oduSignalType = oduPortSpeed == speed100GbpsinMbps ? OduSignalType.ODU4 : null;
+ GridType gridType = config.getString(gridTypePath).equals("FlexGrid") ? GridType.FLEX : null;
+ ChannelSpacing chSpacing = gridType == GridType.FLEX ? ChannelSpacing.CHL_6P25GHZ : null;
+
+ //Working in Ghz //(Nominal central frequency - 193.1)/channelSpacing = spacingMultiplier
+ final int baseFrequency = 193100;
+ int spacingMult = (int) (toGbps((Integer.parseInt(config.getString(frequencyPath)) -
+ baseFrequency)) / toGbpsFromHz(chSpacing.frequency().asHz())); //FIXME is there a better way ?
+
+ return new OchPortDescription(PortNumber.portNumber(portNumber), isEnabled, oduSignalType, isTunable,
+ new OchSignal(gridType, chSpacing, spacingMult, 1), annotations);
+ }
+
+ //FIXME remove when all optical types have two way information methods, see jira tickets
+ private static long toGbps(long speed) {
+ return speed * 1000;
+ }
+
+ private static long toGbpsFromHz(long speed) {
+ return speed / 1000;
+ }
+ //TODO implement mor methods for parsing configuration when you need them
+}