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.AbstractNetconfSession;
  19 import org.opendaylight.controller.netconf.api.monitoring.NetconfManagementSession;
  20 import org.opendaylight.controller.netconf.util.messages.NetconfHelloMessageAdditionalHeader;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.DomainName;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Host;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.NetconfTcp;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.Session1;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.extension.rev131210.Session1Builder;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfSsh;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Transport;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.Session;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.SessionBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.sessions.SessionKey;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.DateAndTime;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.ZeroBasedCounter32;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 import com.google.common.base.Preconditions;
  37
  38 public final class NetconfServerSession extends AbstractNetconfSession<NetconfServerSession, NetconfServerSessionListener> implements NetconfManagementSession {
  39
  40     private static final Logger logger = LoggerFactory.getLogger(NetconfServerSession.class);
  41
  42     private final NetconfHelloMessageAdditionalHeader header;
  43
  44     private Date loginTime;
  45     private long inRpcSuccess, inRpcFail, outRpcError;
  46
  47     public NetconfServerSession(NetconfServerSessionListener sessionListener, Channel channel, long sessionId,
  48             NetconfHelloMessageAdditionalHeader header) {
  49         super(sessionListener, channel, sessionId);
  50         this.header = header;
  51         logger.debug("Session {} created", toString());
  52     }
  53
  54     @Override
  55     protected void sessionUp() {
  56         super.sessionUp();
  57         Preconditions.checkState(loginTime == null, "Session is already up");
  58         this.loginTime = new Date();
  59     }
  60
  61     public void onIncommingRpcSuccess() {
  62         inRpcSuccess++;
  63     }
  64
  65     public void onIncommingRpcFail() {
  66         inRpcFail++;
  67     }
  68
  69     public void onOutgoingRpcError() {
  70         outRpcError++;
  71     }
  72
  73     public static final String ISO_DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
  74
  75     private static final String dateTimePatternString = DateAndTime.PATTERN_CONSTANTS.get(0);
  76     private static final Pattern dateTimePattern = Pattern.compile(dateTimePatternString);
  77
  78     @Override
  79     public Session toManagementSession() {
  80         SessionBuilder builder = new SessionBuilder();
  81
  82         builder.setSessionId(getSessionId());
  83         builder.setSourceHost(new Host(new DomainName(header.getAddress())));
  84
  85         Preconditions.checkState(DateAndTime.PATTERN_CONSTANTS.size() == 1);
  86         String formattedDateTime = formatDateTime(loginTime);
  87
  88         Matcher matcher = dateTimePattern.matcher(formattedDateTime);
  89         Preconditions.checkState(matcher.matches(), "Formatted datetime %s does not match pattern %s", formattedDateTime, dateTimePattern);
  90         builder.setLoginTime(new DateAndTime(formattedDateTime));
  91
  92         builder.setInBadRpcs(new ZeroBasedCounter32(inRpcFail));
  93         builder.setInRpcs(new ZeroBasedCounter32(inRpcSuccess));
  94         builder.setOutRpcErrors(new ZeroBasedCounter32(outRpcError));
  95
  96         builder.setUsername(header.getUserName());
  97         builder.setTransport(getTransportForString(header.getTransport()));
  98
  99         builder.setOutNotifications(new ZeroBasedCounter32(0L));
 100
 101         builder.setKey(new SessionKey(getSessionId()));
 102
 103         Session1Builder builder1 = new Session1Builder();
 104         builder1.setSessionIdentifier(header.getSessionIdentifier());
 105         builder.addAugmentation(Session1.class, builder1.build());
 106
 107         return builder.build();
 108     }
 109
 110     private Class<? extends Transport> getTransportForString(String transport) {
 111         switch(transport) {
 112         case "ssh" : return NetconfSsh.class;
 113         case "tcp" : return NetconfTcp.class;
 114         default: throw new IllegalArgumentException("Unknown transport type " + transport);
 115         }
 116     }
 117
 118     private String formatDateTime(Date loginTime) {
 119         SimpleDateFormat dateFormat = new SimpleDateFormat(ISO_DATE_FORMAT);
 120         return dateFormat.format(loginTime);
 121     }
 122
 123     @Override
 124     protected NetconfServerSession thisInstance() {
 125         return this;
 126     }
 127 }