[Emu] Open Flow Optical Port Description
Change-Id: I8da4d7a1e1dea18d56cba9673f70b1ec69a5adcf
diff --git a/drivers/src/main/java/org/onosproject/driver/handshaker/OFOpticalSwitch13.java b/drivers/src/main/java/org/onosproject/driver/handshaker/OFOpticalSwitch13.java
new file mode 100644
index 0000000..a62b93c
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/handshaker/OFOpticalSwitch13.java
@@ -0,0 +1,170 @@
+/*
+ * 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.handshaker;
+
+import org.projectfloodlight.openflow.protocol.OFExpPort;
+import org.projectfloodlight.openflow.protocol.OFExpPortDescReply;
+import org.projectfloodlight.openflow.protocol.OFExpPortDescRequest;
+import org.projectfloodlight.openflow.protocol.OFMessage;
+import org.projectfloodlight.openflow.protocol.OFPortDesc;
+import org.projectfloodlight.openflow.protocol.OFStatsReply;
+import org.projectfloodlight.openflow.protocol.OFStatsReplyFlags;
+import org.projectfloodlight.openflow.protocol.OFStatsType;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.stream.Collectors;
+
+import org.onosproject.net.Device;
+import org.onosproject.openflow.controller.OpenFlowOpticalSwitch;
+import org.onosproject.openflow.controller.PortDescPropertyType;
+import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch;
+import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted;
+import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted;
+import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted;
+import org.projectfloodlight.openflow.protocol.OFObject;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+
+
+/**
+ * Open Flow Optical Switch handshaker - for Open Flow 13.
+ */
+public class OFOpticalSwitch13 extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch {
+
+ private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false);
+ private List<OFExpPort> expPortDes = new ArrayList<>();
+
+ @Override
+ public Boolean supportNxRole() {
+ return false;
+ }
+
+ @Override
+ public void startDriverHandshake() {
+ log.info("Starting driver handshake for sw {}", getStringId());
+ if (startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeAlreadyStarted();
+ }
+ startDriverHandshakeCalled = true;
+
+ log.debug("sendHandshakeOFExperimenterPortDescRequest for sw {}", getStringId());
+
+ try {
+ sendHandshakeOFExperimenterPortDescRequest();
+ } catch (IOException e) {
+ log.error("Failed to send handshaker message OFExperimenterPortDescRequestfor sw {}, {}",
+ getStringId(), e.getMessage());
+ e.printStackTrace();
+ }
+ }
+
+ @Override
+ public void processDriverHandshakeMessage(OFMessage m) {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ if (driverHandshakeComplete.get()) {
+ throw new SwitchDriverSubHandshakeCompleted(m);
+ }
+
+ log.debug("processDriverHandshakeMessage for sw {}", getStringId());
+
+ switch (m.getType()) {
+ case STATS_REPLY: // multipart message is reported as STAT
+ processOFMultipartReply((OFStatsReply) m);
+ break;
+ default:
+ log.warn("Received message {} during switch-driver " +
+ "subhandshake " + "from switch {} ... " +
+ "Ignoring message", m,
+ getStringId());
+ }
+ }
+
+ private void processOFMultipartReply(OFStatsReply stats) {
+ log.debug("Received message {} during switch-driver " +
+ "subhandshake " + "from switch {} ... " +
+ stats,
+ getStringId());
+
+ if (stats.getStatsType() == OFStatsType.EXPERIMENTER) {
+ try {
+ OFExpPortDescReply expPortDescReply = (OFExpPortDescReply) stats;
+ expPortDes.addAll(expPortDescReply.getEntries());
+ if (!expPortDescReply.getFlags().contains(OFStatsReplyFlags.REPLY_MORE)) {
+ driverHandshakeComplete.set(true);
+ return;
+ }
+ } catch (ClassCastException e) {
+ log.error("Unexspected Experimenter Multipart message type {} "
+ , stats.getClass().getName());
+ }
+ }
+ }
+
+
+ @Override
+ public boolean isDriverHandshakeComplete() {
+ return driverHandshakeComplete.get();
+ }
+
+ private void sendHandshakeOFExperimenterPortDescRequest() throws
+ IOException {
+
+ OFExpPortDescRequest preq = factory()
+ .buildExpPortDescRequest()
+ .setXid(getNextTransactionId())
+ .build();
+
+ log.debug("Sending experimented port description " +
+ "message " +
+ "{}",
+ preq.toString());
+
+ this.sendHandshakeMessage(preq);
+ }
+
+ @Override
+ public Device.Type deviceType() {
+ return Device.Type.ROADM;
+ }
+
+ /*
+ * OduClt ports are reported as regular ETH ports.
+ */
+ @Override
+ public List<OFPortDesc> getPorts() {
+ return ImmutableList.copyOf(
+ ports.stream().flatMap(p -> p.getEntries().stream())
+ .collect(Collectors.toList()));
+ }
+
+ @Override
+ public List<? extends OFObject> getPortsOf(PortDescPropertyType type) {
+ return ImmutableList.copyOf(expPortDes);
+ }
+
+ @Override
+ public Set<PortDescPropertyType> getPortTypes() {
+ return ImmutableSet.of(PortDescPropertyType.OPTICAL_TRANSPORT);
+ }
+
+}