--- /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.net.InetAddresses;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.handler.codec.ByteToMessageDecoder;
+import io.netty.handler.codec.MessageToByteEncoder;
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.opendaylight.netconf.api.NetconfMessage;
+import org.opendaylight.netconf.api.messages.NetconfHelloMessageAdditionalHeader;
+import org.opendaylight.netconf.api.monitoring.NetconfManagementSession;
+import org.opendaylight.netconf.nettyutil.AbstractNetconfSession;
+import org.opendaylight.netconf.nettyutil.handler.NetconfMessageToXMLEncoder;
+import org.opendaylight.netconf.nettyutil.handler.NetconfXMLToMessageDecoder;
+import org.opendaylight.netconf.notifications.NetconfNotification;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.NetconfTcp;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.Session1;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.Session1Builder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfSsh;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Transport;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.SessionBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.SessionKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.ZeroBasedCounter32;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class NetconfServerSession extends AbstractNetconfSession<NetconfServerSession,
+ NetconfServerSessionListener> implements NetconfManagementSession {
+
+ private static final Logger LOG = LoggerFactory.getLogger(NetconfServerSession.class);
+ private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ISO_OFFSET_DATE_TIME;
+ private static final String DATE_TIME_PATTERN_STRING = DateAndTime.PATTERN_CONSTANTS.get(0);
+ private static final Pattern DATE_TIME_PATTERN = Pattern.compile(DATE_TIME_PATTERN_STRING);
+
+ private final NetconfHelloMessageAdditionalHeader header;
+ private final NetconfServerSessionListener sessionListener;
+
+ private ZonedDateTime loginTime;
+ private long inRpcSuccess;
+ private long inRpcFail;
+ private long outRpcError;
+ private long outNotification;
+ private volatile boolean delayedClose;
+
+ public NetconfServerSession(final NetconfServerSessionListener sessionListener, final Channel channel,
+ final long sessionId, final NetconfHelloMessageAdditionalHeader header) {
+ super(sessionListener, channel, sessionId);
+ this.header = header;
+ this.sessionListener = sessionListener;
+ LOG.debug("Session {} created", toString());
+ }
+
+ @Override
+ protected void sessionUp() {
+ Preconditions.checkState(loginTime == null, "Session is already up");
+ this.loginTime = Instant.now().atZone(ZoneId.systemDefault());
+ super.sessionUp();
+ }
+
+ /**
+ * Close this session after next message is sent.
+ * Suitable for close rpc that needs to send ok response before the session is closed.
+ */
+ public void delayedClose() {
+ this.delayedClose = true;
+ }
+
+ @Override
+ public ChannelFuture sendMessage(final NetconfMessage netconfMessage) {
+ final ChannelFuture channelFuture = super.sendMessage(netconfMessage);
+ if (netconfMessage instanceof NetconfNotification) {
+ outNotification++;
+ sessionListener.onNotification(this, (NetconfNotification) netconfMessage);
+ }
+ // delayed close was set, close after the message was sent
+ if (delayedClose) {
+ channelFuture.addListener(future -> close());
+ }
+ return channelFuture;
+ }
+
+ public void onIncommingRpcSuccess() {
+ inRpcSuccess++;
+ }
+
+ public void onIncommingRpcFail() {
+ inRpcFail++;
+ }
+
+ public void onOutgoingRpcError() {
+ outRpcError++;
+ }
+
+ @Override
+ public Session toManagementSession() {
+ SessionBuilder builder = new SessionBuilder();
+
+ builder.setSessionId(getSessionId());
+ IpAddress address;
+ InetAddress address1 = InetAddresses.forString(header.getAddress());
+ if (address1 instanceof Inet4Address) {
+ address = new IpAddress(new Ipv4Address(header.getAddress()));
+ } else {
+ address = new IpAddress(new Ipv6Address(header.getAddress()));
+ }
+ builder.setSourceHost(new Host(address));
+
+ Preconditions.checkState(DateAndTime.PATTERN_CONSTANTS.size() == 1);
+ String formattedDateTime = DATE_FORMATTER.format(loginTime);
+
+ Matcher matcher = DATE_TIME_PATTERN.matcher(formattedDateTime);
+ Preconditions.checkState(matcher.matches(), "Formatted datetime %s does not match pattern %s",
+ formattedDateTime, DATE_TIME_PATTERN);
+ builder.setLoginTime(new DateAndTime(formattedDateTime));
+
+ builder.setInBadRpcs(new ZeroBasedCounter32(inRpcFail));
+ builder.setInRpcs(new ZeroBasedCounter32(inRpcSuccess));
+ builder.setOutRpcErrors(new ZeroBasedCounter32(outRpcError));
+
+ builder.setUsername(header.getUserName());
+ builder.setTransport(getTransportForString(header.getTransport()));
+
+ builder.setOutNotifications(new ZeroBasedCounter32(outNotification));
+
+ builder.withKey(new SessionKey(getSessionId()));
+
+ Session1Builder builder1 = new Session1Builder();
+ builder1.setSessionIdentifier(header.getSessionIdentifier());
+ builder.addAugmentation(Session1.class, builder1.build());
+
+ return builder.build();
+ }
+
+ private static Class<? extends Transport> getTransportForString(final String transport) {
+ switch (transport) {
+ case "ssh":
+ return NetconfSsh.class;
+ case "tcp":
+ return NetconfTcp.class;
+ default:
+ throw new IllegalArgumentException("Unknown transport type " + transport);
+ }
+ }
+
+ @Override
+ protected NetconfServerSession thisInstance() {
+ return this;
+ }
+
+ @Override
+ protected void addExiHandlers(final ByteToMessageDecoder decoder,
+ final MessageToByteEncoder<NetconfMessage> encoder) {
+ replaceMessageDecoder(decoder);
+ replaceMessageEncoderAfterNextMessage(encoder);
+ }
+
+ @Override
+ public void stopExiCommunication() {
+ replaceMessageDecoder(new NetconfXMLToMessageDecoder());
+ replaceMessageEncoderAfterNextMessage(new NetconfMessageToXMLEncoder());
+ }
+}