/*************************************************************************
* Copyright 2009-2013 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
* IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.bootstrap;
import java.io.Serializable;
import java.net.InetAddress;
import java.util.Date;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.log4j.Logger;
import org.jgroups.Address;
import com.eucalyptus.component.Topology;
import com.eucalyptus.util.Internets;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Ordering;
public class Host implements Serializable, Comparable<Host> {
private static final long serialVersionUID = 1;
private static Logger LOG = Logger.getLogger( Host.class );
private final String displayName;
private final Address groupsId;
private final InetAddress bindAddress;
private final ImmutableList<InetAddress> hostAddresses;
private final Boolean hasDatabase;
private final Boolean hasBootstrapped;
private final AtomicLong timestamp = new AtomicLong( System.currentTimeMillis( ) );
private final Long startedTime;
private final Integer epoch;
Host( final String displayName,
final Address groupsId,
final InetAddress bindAddress,
final ImmutableList<InetAddress> hostAddresses,
final Boolean hasDatabase,
final Boolean hasBootstrapped,
final Long startedTime,
final Integer epoch ) {
this.displayName = displayName;
this.groupsId = groupsId;
this.bindAddress = bindAddress;
this.hostAddresses = hostAddresses;
this.hasDatabase = hasDatabase;
this.hasBootstrapped = hasBootstrapped;
this.startedTime = startedTime;
this.epoch = epoch;
}
Host( ) {
this(
Internets.localHostIdentifier( ),
Hosts.getLocalGroupAddress( ),
Internets.localHostInetAddress( ),
ImmutableList.copyOf( Ordering.from( Internets.INET_ADDRESS_COMPARATOR ).sortedCopy( Internets.getAllInetAddresses( ) ) ),
BootstrapArgs.isCloudController( ),
Bootstrap.isFinished( ),
Hosts.getStartTime( ),
Topology.epoch( )
);
}
public static Host create( ) {
return new Host( );
}
public Address getGroupsId( ) {
return this.groupsId;
}
public ImmutableList<InetAddress> getHostAddresses( ) {
return this.hostAddresses;
}
public InetAddress getBindAddress( ) {
return this.bindAddress;
}
public Boolean hasDatabase( ) {
return this.hasDatabase;
}
@Override
public int hashCode( ) {
final int prime = 31;
int result = 1;
result = prime * result + ( ( this.displayName == null ) ? 0 : this.displayName.hashCode( ) );
return result;
}
@Override
public boolean equals( Object obj ) {
if ( this == obj ) {
return true;
}
if ( obj == null ) {
return false;
}
if ( getClass( ) != obj.getClass( ) ) {
return false;
}
Host other = ( Host ) obj;
if ( this.displayName == null ) {
if ( other.displayName != null ) {
return false;
}
} else if ( !this.displayName.equals( other.displayName ) ) {
return false;
}
return true;
}
@Override
public int compareTo( Host that ) {
return this.getDisplayName( ).compareTo( that.getDisplayName() );
}
public boolean isLocalHost( ) {
return Internets.testLocal( this.getBindAddress( ) );
}
public Boolean hasBootstrapped( ) {
return this.hasBootstrapped;
}
public Integer getEpoch( ) {
return this.epoch;
}
@Override
public String toString( ) {
StringBuilder builder = new StringBuilder( );
builder.append( "Host " )
.append( this.groupsId ).append( " " )
.append( "#" ).append( this.epoch ).append( " " )
.append( this.bindAddress ).append( " " );
try {
Host coordinator = Hosts.getCoordinator( );
String coordinatorName = ( coordinator != null ? coordinator.getDisplayName( ) : "pending" );
builder.append( "coordinator=" ).append( coordinatorName ).append( " " );
} catch ( Exception ex ) {
LOG.error( ex, ex );
}
builder.append( this.hasBootstrapped ? "booted " : "booting " )
.append( this.hasDatabase ? "db" : "nodb" );
builder.append( " started=" ).append( this.startedTime ).append( " " )
.append( this.hostAddresses );
return builder.toString( );
}
public Date getTimestamp( ) {
return new Date( this.timestamp.get( ) );
}
public String getDisplayName( ) {
return this.displayName;
}
public Long getStartedTime( ) {
return this.startedTime;
}
}