opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSession.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.netconf.impl;
  10
  11 import io.netty.channel.Channel;
  12
  13 import java.text.SimpleDateFormat;
  14 import java.util.Date;
  15 import java.util.regex.Matcher;
  16 import java.util.regex.Pattern;
  17
  18 import org.opendaylight.controller.netconf.api.NetconfMessage;
  19 import org.opendaylight.controller.netconf.api.NetconfSession;
  20 import org.opendaylight.controller.netconf.api.NetconfTerminationReason;
  21 import org.opendaylight.controller.netconf.api.monitoring.NetconfManagementSession;
  22 import org.opendaylight.protocol.framework.SessionListener;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.DomainName;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Host;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.NetconfTcp;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.Session1;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.Session1Builder;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfSsh;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Transport;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.SessionBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.SessionKey;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.DateAndTime;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.ZeroBasedCounter32;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 import com.google.common.base.Preconditions;
  39
  40 public class NetconfServerSession extends NetconfSession implements NetconfManagementSession {
  41
  42     private static final Logger logger = LoggerFactory.getLogger(NetconfServerSession.class);
  43
  44     private final NetconfServerSessionNegotiator.AdditionalHeader header;
  45
  46     private Date loginTime;
  47     private long inRpcSuccess, inRpcFail, outRpcError;
  48
  49     public NetconfServerSession(SessionListener<NetconfMessage, NetconfSession, NetconfTerminationReason> sessionListener, Channel channel, long sessionId,
  50             NetconfServerSessionNegotiator.AdditionalHeader header) {
  51         super(sessionListener, channel, sessionId);
  52         this.header = header;
  53         logger.debug("Session {} created", toString());
  54     }
  55
  56     @Override
  57     protected void sessionUp() {
  58         super.sessionUp();
  59         Preconditions.checkState(loginTime == null, "Session is already up");
  60         this.loginTime = new Date();
  61     }
  62
  63     public void onIncommingRpcSuccess() {
  64         inRpcSuccess++;
  65     }
  66
  67     public void onIncommingRpcFail() {
  68         inRpcFail++;
  69     }
  70
  71     public void onOutgoingRpcError() {
  72         outRpcError++;
  73     }
  74
  75     public static final String ISO_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
  76
  77     @Override
  78     public Session toManagementSession() {
  79         SessionBuilder builder = new SessionBuilder();
  80
  81         builder.setSessionId(getSessionId());
  82         builder.setSourceHost(new Host(new DomainName(header.getAddress())));
  83
  84         Preconditions.checkState(DateAndTime.PATTERN_CONSTANTS.size() == 1);
  85         String formattedDateTime = formatDateTime(loginTime);
  86         String pattern = DateAndTime.PATTERN_CONSTANTS.get(0);
  87         Matcher matcher = Pattern.compile(pattern).matcher(formattedDateTime);
  88         Preconditions.checkState(matcher.matches(), "Formatted datetime %s does not match pattern %s", formattedDateTime, pattern);
  89         builder.setLoginTime(new DateAndTime(formattedDateTime));
  90
  91         builder.setInBadRpcs(new ZeroBasedCounter32(inRpcFail));
  92         builder.setInRpcs(new ZeroBasedCounter32(inRpcSuccess));
  93         builder.setOutRpcErrors(new ZeroBasedCounter32(outRpcError));
  94
  95         builder.setUsername(header.getUsername());
  96         builder.setTransport(getTransportForString(header.getTransport()));
  97
  98         builder.setOutNotifications(new ZeroBasedCounter32(0L));
  99
 100         builder.setKey(new SessionKey(getSessionId()));
 101
 102         Session1Builder builder1 = new Session1Builder();
 103         builder1.setSessionIdentifier(header.getSessionType());
 104         builder.addAugmentation(Session1.class, builder1.build());
 105
 106         return builder.build();
 107     }
 108
 109     private Class<? extends Transport> getTransportForString(String transport) {
 110         switch(transport) {
 111             case "ssh" : return NetconfSsh.class;
 112             case "tcp" : return NetconfTcp.class;
 113             default: throw new IllegalArgumentException("Unknown transport type " + transport);
 114         }
 115     }
 116
 117     private String formatDateTime(Date loginTime) {
 118         SimpleDateFormat dateFormat = new SimpleDateFormat(ISO_DATE_FORMAT);
 119         return dateFormat.format(loginTime);
 120     }
 121
 122 }