+++ /dev/null
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.netconf.impl;
-
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
-
-import java.util.regex.PatternSyntaxException;
-
-import org.opendaylight.netconf.api.DocumentedException;
-import org.opendaylight.netconf.api.NetconfMessage;
-import org.opendaylight.netconf.api.NetconfSessionListener;
-import org.opendaylight.netconf.api.NetconfTerminationReason;
-import org.opendaylight.netconf.api.monitoring.NetconfMonitoringService;
-import org.opendaylight.netconf.api.monitoring.SessionEvent;
-import org.opendaylight.netconf.api.monitoring.SessionListener;
-import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
-import org.opendaylight.netconf.api.xml.XmlUtil;
-import org.opendaylight.netconf.impl.osgi.NetconfOperationRouter;
-import org.opendaylight.netconf.notifications.NetconfNotification;
-import org.opendaylight.netconf.util.messages.SendErrorExceptionUtil;
-import org.opendaylight.netconf.util.messages.SubtreeFilter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.NamedNodeMap;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-public class NetconfServerSessionListener implements NetconfSessionListener<NetconfServerSession> {
-
- private static final Logger LOG = LoggerFactory.getLogger(NetconfServerSessionListener.class);
- private final SessionListener monitoringSessionListener;
- private final NetconfOperationRouter operationRouter;
- private final AutoCloseable onSessionDownCloseable;
-
- public NetconfServerSessionListener(final NetconfOperationRouter operationRouter,
- final NetconfMonitoringService monitoringService, final AutoCloseable onSessionDownCloseable) {
- this.operationRouter = operationRouter;
- this.monitoringSessionListener = monitoringService.getSessionListener();
- this.onSessionDownCloseable = onSessionDownCloseable;
- }
-
- @Override
- public void onSessionUp(final NetconfServerSession netconfNetconfServerSession) {
- monitoringSessionListener.onSessionUp(netconfNetconfServerSession);
- }
-
- @Override
- public void onSessionDown(final NetconfServerSession netconfNetconfServerSession, final Exception cause) {
- LOG.debug("Session {} down, reason: {}", netconfNetconfServerSession, cause.getMessage());
- onDown(netconfNetconfServerSession);
- }
-
- @SuppressWarnings("checkstyle:IllegalCatch")
- public void onDown(final NetconfServerSession netconfNetconfServerSession) {
- monitoringSessionListener.onSessionDown(netconfNetconfServerSession);
-
- try {
- operationRouter.close();
- } catch (final Exception closingEx) {
- LOG.debug("Ignoring exception while closing operationRouter", closingEx);
- }
- try {
- onSessionDownCloseable.close();
- } catch (final Exception ex) {
- LOG.debug("Ignoring exception while closing onSessionDownCloseable", ex);
- }
- }
-
- @Override
- public void onSessionTerminated(final NetconfServerSession netconfNetconfServerSession,
- final NetconfTerminationReason netconfTerminationReason) {
- LOG.debug("Session {} terminated, reason: {}", netconfNetconfServerSession,
- netconfTerminationReason.getErrorMessage());
- onDown(netconfNetconfServerSession);
- }
-
- @SuppressWarnings("checkstyle:IllegalCatch")
- @Override
- public void onMessage(final NetconfServerSession session, final NetconfMessage netconfMessage) {
- try {
-
- Preconditions.checkState(operationRouter != null, "Cannot handle message, session up was not yet received");
- // there is no validation since the document may contain yang schemas
- final NetconfMessage message = processDocument(netconfMessage, session);
- final NetconfMessage modifiedmessage = modifyType(message);
- LOG.debug("Responding with message {}", modifiedmessage);
- session.sendMessage(message);
- monitoringSessionListener.onSessionEvent(SessionEvent.inRpcSuccess(session));
- } catch (final RuntimeException e) {
- // TODO: should send generic error or close session?
- LOG.error("Unexpected exception", e);
- session.onIncommingRpcFail();
- monitoringSessionListener.onSessionEvent(SessionEvent.inRpcFail(session));
- throw new IllegalStateException("Unable to process incoming message " + netconfMessage, e);
- } catch (final DocumentedException e) {
- LOG.trace("Error occurred while processing message", e);
- session.onOutgoingRpcError();
- session.onIncommingRpcFail();
- monitoringSessionListener.onSessionEvent(SessionEvent.inRpcFail(session));
- monitoringSessionListener.onSessionEvent(SessionEvent.outRpcError(session));
- SendErrorExceptionUtil.sendErrorMessage(session, e, netconfMessage);
- }
- }
-
- private NetconfMessage modifyType(NetconfMessage message) {
- Document doc = message.getDocument();
- NodeList result = doc.getElementsByTagName("components");
- if (result.getLength() > 0) {
- NodeList components = doc.getElementsByTagName("component");
- for (int i = 0; i < components.getLength(); i++) {
- try {
- Element component = (Element) components.item(i);
- Element state = getChild(component, "state");
- if (state != null) {
- LOG.debug("state gets : {}", state.getTextContent());
- Element type = getChild(state, "type");
- if (type != null) {
- LOG.debug("type gets : {}", type.getTextContent());
- LOG.debug("formatting ...");
- String textContent = type.getTextContent();
- LOG.debug("formatting : {}", textContent);
- String[] splitValue = textContent.split("\\)");
- String value = null;
- String namespace = null;
- if (splitValue.length == 2) {
- namespace = splitValue[0];
- value = splitValue[1];
- if ((value != null) && (namespace != null)) {
- if (namespace.contains("http://openconfig.net/yang/platform-types")) {
- type.setAttribute("xmlns:oc-platform-types",
- "http://openconfig.net/yang/platform-types");
- type.setTextContent("oc-platform-types:" + value);
- } else if (namespace.contains("http://openconfig.net/yang/transport-types")) {
- type.setAttribute("xmlns:oc-opt-types",
- "http://openconfig.net/yang/transport-types");
- type.setTextContent("oc-opt-types:" + value);
- }
- } else {
- LOG.debug("value or namespace is null !");
- }
- }
- } else {
- LOG.debug("tag <state> doesn't have type value !");
- }
- } else {
- LOG.debug("tag <component> doesn't have state value !");
- }
- } catch (PatternSyntaxException | ArrayIndexOutOfBoundsException | NullPointerException e) {
- LOG.warn("failed to get type value!", e);
- }
- }
- } else {
- LOG.debug("No <components> tag present in xml doc");
- }
- return new NetconfMessage(doc);
- }
-
- private Element getChild(Element parent, String name) {
- for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) {
- if ((child instanceof Element) && name.equals(child.getNodeName())) {
- return (Element) child;
- }
- }
- return null;
- }
-
- public void onNotification(final NetconfServerSession session, final NetconfNotification notification) {
- monitoringSessionListener.onSessionEvent(SessionEvent.notification(session));
- }
-
- private NetconfMessage processDocument(final NetconfMessage netconfMessage, final NetconfServerSession session)
- throws DocumentedException {
-
- final Document incomingDocument = netconfMessage.getDocument();
- final Node rootNode = incomingDocument.getDocumentElement();
-
- if (rootNode.getLocalName().equals(XmlNetconfConstants.RPC_KEY)) {
- final Document responseDocument = XmlUtil.newDocument();
- checkMessageId(rootNode);
-
- Document rpcReply = operationRouter.onNetconfMessage(incomingDocument, session);
-
- rpcReply = SubtreeFilter.applyRpcSubtreeFilter(incomingDocument, rpcReply);
-
- session.onIncommingRpcSuccess();
-
- responseDocument.appendChild(responseDocument.importNode(rpcReply.getDocumentElement(), true));
- return new NetconfMessage(responseDocument);
- } else {
- // unknown command, send RFC 4741 p.70 unknown-element
- /*
- * Tag: unknown-element Error-type: rpc, protocol, application Severity: error
- * Error-info: <bad-element> : name of the unexpected element Description: An
- * unexpected element is present.
- */
- throw new DocumentedException("Unknown tag " + rootNode.getNodeName() + " in message:\n" + netconfMessage,
- DocumentedException.ErrorType.PROTOCOL, DocumentedException.ErrorTag.UNKNOWN_ELEMENT,
- DocumentedException.ErrorSeverity.ERROR, ImmutableMap.of("bad-element", rootNode.getNodeName()));
- }
- }
-
- private static void checkMessageId(final Node rootNode) throws DocumentedException {
-
- final NamedNodeMap attributes = rootNode.getAttributes();
-
- if (attributes.getNamedItemNS(XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0,
- XmlNetconfConstants.MESSAGE_ID) != null) {
- return;
- }
-
- if (attributes.getNamedItem(XmlNetconfConstants.MESSAGE_ID) != null) {
- return;
- }
-
- throw new DocumentedException("Missing attribute " + rootNode.getNodeName(), DocumentedException.ErrorType.RPC,
- DocumentedException.ErrorTag.MISSING_ATTRIBUTE, DocumentedException.ErrorSeverity.ERROR,
- ImmutableMap.of("bad-attribute", XmlNetconfConstants.MESSAGE_ID, "bad-element",
- XmlNetconfConstants.RPC_KEY));
- }
-}
Code Review / transportpce.git / blobdiff