[ONOS] PCEP provider changes, added node listeners to topology provider
Change-Id: I98bc6445ee78a8f0bf53f897f0a25f678ec7fc99
diff --git a/providers/pcep/topology/src/test/java/org/onosproject/provider/pcep/topology/impl/PcepClientControllerAdapter.java b/providers/pcep/topology/src/test/java/org/onosproject/provider/pcep/topology/impl/PcepClientControllerAdapter.java
new file mode 100644
index 0000000..5153ab2
--- /dev/null
+++ b/providers/pcep/topology/src/test/java/org/onosproject/provider/pcep/topology/impl/PcepClientControllerAdapter.java
@@ -0,0 +1,284 @@
+/*
+ * Copyright 2016-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.provider.pcep.topology.impl;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.onlab.packet.IpAddress;
+import org.onosproject.pcep.controller.ClientCapability;
+import org.onosproject.pcep.controller.PccId;
+import org.onosproject.pcep.controller.PcepClient;
+import org.onosproject.pcep.controller.PcepClientController;
+import org.onosproject.pcep.controller.PcepClientListener;
+import org.onosproject.pcep.controller.PcepEventListener;
+import org.onosproject.pcep.controller.PcepNodeListener;
+import org.onosproject.pcep.controller.driver.PcepAgent;
+import org.onosproject.pcepio.protocol.PcepError;
+import org.onosproject.pcepio.protocol.PcepErrorInfo;
+import org.onosproject.pcepio.protocol.PcepErrorMsg;
+import org.onosproject.pcepio.protocol.PcepErrorObject;
+import org.onosproject.pcepio.protocol.PcepFactory;
+import org.onosproject.pcepio.protocol.PcepMessage;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+import com.google.common.collect.Sets;
+
+import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_TYPE_19;
+import static org.onosproject.pcepio.types.PcepErrorDetailInfo.ERROR_VALUE_5;
+
+/**
+ * Representation of PCEP client controller adapter.
+ */
+public class PcepClientControllerAdapter implements PcepClientController {
+
+ protected ConcurrentHashMap<PccId, PcepClient> connectedClients =
+ new ConcurrentHashMap<PccId, PcepClient>();
+
+ protected PcepClientAgent agent = new PcepClientAgent();
+ protected Set<PcepClientListener> pcepClientListener = new HashSet<>();
+
+ protected Set<PcepEventListener> pcepEventListener = Sets.newHashSet();
+ public Set<PcepNodeListener> pcepNodeListener = Sets.newHashSet();
+
+ @Activate
+ public void activate() {
+ }
+
+ @Deactivate
+ public void deactivate() {
+ }
+
+ @Override
+ public Collection<PcepClient> getClients() {
+ return connectedClients.values();
+ }
+
+ @Override
+ public PcepClient getClient(PccId pccId) {
+ if (null != connectedClients.get(pccId)) {
+ return connectedClients.get(pccId);
+ }
+ PcepClientAdapter pc = new PcepClientAdapter();
+ if (pccId.ipAddress().equals(IpAddress.valueOf(0xC010103))
+ || pccId.ipAddress().equals(IpAddress.valueOf(0xB6024E22))) {
+ pc.setCapability(new ClientCapability(true, false, false, false, false));
+ } else {
+ pc.setCapability(new ClientCapability(true, true, true, false, false));
+ }
+ pc.init(PccId.pccId(pccId.ipAddress()), PcepVersion.PCEP_1);
+ connectedClients.put(pccId, pc);
+ return pc;
+ }
+
+ @Override
+ public void addListener(PcepClientListener listener) {
+ if (!pcepClientListener.contains(listener)) {
+ this.pcepClientListener.add(listener);
+ }
+ }
+
+ @Override
+ public void addNodeListener(PcepNodeListener listener) {
+ pcepNodeListener.add(listener);
+ }
+
+ @Override
+ public void removeNodeListener(PcepNodeListener listener) {
+ pcepNodeListener.remove(listener);
+ }
+
+ @Override
+ public void removeListener(PcepClientListener listener) {
+ this.pcepClientListener.remove(listener);
+ }
+
+ @Override
+ public void addEventListener(PcepEventListener listener) {
+ pcepEventListener.add(listener);
+ }
+
+ @Override
+ public void removeEventListener(PcepEventListener listener) {
+ pcepEventListener.remove(listener);
+ }
+
+ @Override
+ public void writeMessage(PccId pccId, PcepMessage msg) {
+ this.getClient(pccId).sendMessage(msg);
+ }
+
+ @Override
+ public void processClientMessage(PccId pccId, PcepMessage msg) {
+
+ PcepClient pc = getClient(pccId);
+
+ switch (msg.getType()) {
+ case NONE:
+ break;
+ case OPEN:
+ break;
+ case KEEP_ALIVE:
+ //log.debug("Sending Keep Alive Message to {" + pccIpAddress.toString() + "}");
+ pc.sendMessage(Collections.singletonList(pc.factory().buildKeepaliveMsg().build()));
+ break;
+ case PATH_COMPUTATION_REQUEST:
+ break;
+ case PATH_COMPUTATION_REPLY:
+ break;
+ case NOTIFICATION:
+ break;
+ case ERROR:
+ break;
+ case CLOSE:
+ //log.debug("Sending Close Message to { }", pccIpAddress.toString());
+ pc.sendMessage(Collections.singletonList(pc.factory().buildCloseMsg().build()));
+ break;
+ case INITIATE:
+ if (!pc.capability().pcInstantiationCapability()) {
+ pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+ ERROR_TYPE_19, ERROR_VALUE_5)));
+ }
+ break;
+ case REPORT:
+ //Only update the listener if respective capability is supported else send PCEP-ERR msg
+ if (pc.capability().statefulPceCapability()) {
+ for (PcepEventListener l : pcepEventListener) {
+ l.handleMessage(pccId, msg);
+ }
+ } else {
+ // Send PCEP-ERROR message.
+ pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+ ERROR_TYPE_19, ERROR_VALUE_5)));
+ }
+ break;
+ case UPDATE:
+ if (!pc.capability().statefulPceCapability()) {
+ pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+ ERROR_TYPE_19, ERROR_VALUE_5)));
+ }
+ break;
+ case LABEL_UPDATE:
+ if (!pc.capability().pceccCapability()) {
+ pc.sendMessage(Collections.singletonList(getErrMsg(pc.factory(),
+ ERROR_TYPE_19, ERROR_VALUE_5)));
+ }
+ break;
+ case MAX:
+ break;
+ case END:
+ break;
+ default:
+ break;
+ }
+ }
+
+ @Override
+ public void closeConnectedClients() {
+ PcepClient pc;
+ for (PccId id : connectedClients.keySet()) {
+ pc = getClient(id);
+ pc.disconnectClient();
+ }
+ }
+
+ private PcepErrorMsg getErrMsg(PcepFactory factory, byte errorType, byte errorValue) {
+ LinkedList<PcepError> llPcepErr = new LinkedList<>();
+
+ LinkedList<PcepErrorObject> llerrObj = new LinkedList<>();
+ PcepErrorMsg errMsg;
+
+ PcepErrorObject errObj = factory.buildPcepErrorObject().setErrorValue(errorValue).setErrorType(errorType)
+ .build();
+
+ llerrObj.add(errObj);
+ PcepError pcepErr = factory.buildPcepError().setErrorObjList(llerrObj).build();
+
+ llPcepErr.add(pcepErr);
+
+ PcepErrorInfo errInfo = factory.buildPcepErrorInfo().setPcepErrorList(llPcepErr).build();
+
+ errMsg = factory.buildPcepErrorMsg().setPcepErrorInfo(errInfo).build();
+ return errMsg;
+ }
+
+ /**
+ * Implementation of an Pcep Agent which is responsible for
+ * keeping track of connected clients and the state in which
+ * they are.
+ */
+ public class PcepClientAgent implements PcepAgent {
+
+ @Override
+ public boolean addConnectedClient(PccId pccId, PcepClient pc) {
+
+ if (connectedClients.get(pccId) != null) {
+ return false;
+ } else {
+ connectedClients.put(pccId, pc);
+ for (PcepClientListener l : pcepClientListener) {
+ l.clientConnected(pccId);
+ }
+ return true;
+ }
+ }
+
+ @Override
+ public boolean validActivation(PccId pccId) {
+ if (connectedClients.get(pccId) == null) {
+ //log.error("Trying to activate client but is not in "
+ // + "connected switches: pccIp {}. Aborting ..", pccIpAddress.toString());
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override
+ public void removeConnectedClient(PccId pccId) {
+ connectedClients.remove(pccId);
+ for (PcepClientListener l : pcepClientListener) {
+ //log.warn("removal for {}", pccIpAddress.toString());
+ l.clientDisconnected(pccId);
+ }
+ }
+
+ @Override
+ public void processPcepMessage(PccId pccId, PcepMessage m) {
+ processClientMessage(pccId, m);
+ }
+
+ @Override
+ public void addNode(PcepClient pc) {
+ for (PcepNodeListener l : pcepNodeListener) {
+ l.addNode(pc);
+ }
+ }
+
+ @Override
+ public void deleteNode(PccId pccId) {
+ for (PcepNodeListener l : pcepNodeListener) {
+ l.deleteNode(pccId);
+ }
+ }
+ }
+}