org.apache.catalina.tribes.membership.StaticMember Java Examples
The following examples show how to use
org.apache.catalina.tribes.membership.StaticMember.
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Example #1
| Source File: TcpFailureDetector.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void memberAdded(Member member) {
if ( membership == null ) setupMembership();
boolean notify = false;
synchronized (membership) {
if (removeSuspects.containsKey(member)) {
//previously marked suspect, system below picked up the member again
removeSuspects.remove(member);
} else if (membership.getMember(member) == null){
//if we add it here, then add it upwards too
//check to see if it is alive
if (memberAlive(member)) {
membership.memberAlive(member);
notify = true;
} else {
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
}
}
if ( notify ) super.memberAdded(member);
}
Example #2
| Source File: TcpFailureDetector.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
protected void performForcedCheck() {
//update all alive times
Member[] members = super.getMembers();
for (int i = 0; members != null && i < members.length; i++) {
if (memberAlive(members[i])) {
if (membership.memberAlive(members[i])) super.memberAdded(members[i]);
addSuspects.remove(members[i]);
} else {
if (membership.getMember(members[i])!=null) {
membership.removeMember(members[i]);
removeSuspects.remove(members[i]);
if (members[i] instanceof StaticMember) {
addSuspects.put(members[i], Long.valueOf(System.currentTimeMillis()));
}
super.memberDisappeared(members[i]);
}
} //end if
} //for
}
Example #3
| Source File: TcpFailureDetector.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
protected void performForcedCheck() {
//update all alive times
Member[] members = super.getMembers();
for (int i = 0; members != null && i < members.length; i++) {
if (memberAlive(members[i])) {
if (membership.memberAlive((MemberImpl)members[i])) super.memberAdded(members[i]);
addSuspects.remove(members[i]);
} else {
if (membership.getMember(members[i])!=null) {
membership.removeMember((MemberImpl)members[i]);
removeSuspects.remove(members[i]);
if (members[i] instanceof StaticMember) {
addSuspects.put(members[i], Long.valueOf(System.currentTimeMillis()));
}
super.memberDisappeared(members[i]);
}
} //end if
} //for
}
Example #4
| Source File: TcpFailureDetector.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
protected void performForcedCheck() {
//update all alive times
Member[] members = super.getMembers();
for (int i = 0; members != null && i < members.length; i++) {
if (memberAlive(members[i])) {
if (membership.memberAlive((MemberImpl)members[i])) super.memberAdded(members[i]);
addSuspects.remove(members[i]);
} else {
if (membership.getMember(members[i])!=null) {
membership.removeMember((MemberImpl)members[i]);
removeSuspects.remove(members[i]);
if (members[i] instanceof StaticMember) {
addSuspects.put(members[i], Long.valueOf(System.currentTimeMillis()));
}
super.memberDisappeared(members[i]);
}
} //end if
} //for
}
Example #5
| Source File: ChannelCoordinator.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* Starts up the channel. This can be called multiple times for individual services to start
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will start all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStart(int svc) throws ChannelException {
try {
boolean valid = false;
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == Channel.DEFAULT) return; //we have already started up all components
if (svc == 0 ) return;//nothing to start
if (svc == (svc & startLevel)) {
throw new ChannelException(sm.getString("channelCoordinator.alreadyStarted",
Integer.toString(svc)));
}
//must start the receiver first so that we can coordinate the port it
//listens to with the local membership settings
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.setMessageListener(this);
clusterReceiver.setChannel(getChannel());
clusterReceiver.start();
//synchronize, big time FIXME
Member localMember = getChannel().getLocalMember(false);
if (localMember instanceof StaticMember) {
// static member
StaticMember staticMember = (StaticMember)localMember;
staticMember.setHost(getClusterReceiver().getHost());
staticMember.setPort(getClusterReceiver().getPort());
staticMember.setSecurePort(getClusterReceiver().getSecurePort());
} else {
// multicast member
membershipService.setLocalMemberProperties(getClusterReceiver().getHost(),
getClusterReceiver().getPort(),
getClusterReceiver().getSecurePort(),
getClusterReceiver().getUdpPort());
}
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
clusterSender.setChannel(getChannel());
clusterSender.start();
valid = true;
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.setMembershipListener(this);
membershipService.setChannel(getChannel());
if (membershipService instanceof McastService) {
((McastService)membershipService).setMessageListener(this);
}
membershipService.start(MembershipService.MBR_RX);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
membershipService.setChannel(getChannel());
membershipService.start(MembershipService.MBR_TX);
valid = true;
}
if (!valid) {
throw new IllegalArgumentException(sm.getString("channelCoordinator.invalid.startLevel"));
}
startLevel = (startLevel | svc);
}catch ( ChannelException cx ) {
throw cx;
}catch ( Exception x ) {
throw new ChannelException(x);
}
}
Example #6
| Source File: TcpFailureDetector.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@Override
public void memberDisappeared(Member member) {
if ( membership == null ) setupMembership();
boolean shutdown = Arrays.equals(member.getCommand(),Member.SHUTDOWN_PAYLOAD);
if (shutdown) {
synchronized (membership) {
if (!membership.contains(member)) return;
membership.removeMember(member);
removeSuspects.remove(member);
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
super.memberDisappeared(member);
} else {
boolean notify = false;
if(log.isInfoEnabled())
log.info(sm.getString("tcpFailureDetector.memberDisappeared.verify", member));
synchronized (membership) {
if (!membership.contains(member)) {
if(log.isInfoEnabled())
log.info(sm.getString("tcpFailureDetector.already.disappeared", member));
return;
}
//check to see if the member really is gone
if (!memberAlive(member)) {
//not correct, we need to maintain the map
membership.removeMember(member);
removeSuspects.remove(member);
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
notify = true;
} else {
//add the member as suspect
removeSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
if ( notify ) {
if(log.isInfoEnabled())
log.info(sm.getString("tcpFailureDetector.member.disappeared", member));
super.memberDisappeared(member);
} else {
if(log.isInfoEnabled())
log.info(sm.getString("tcpFailureDetector.still.alive", member));
}
}
}
Example #7
| Source File: TcpFailureDetector.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
@Override
public void memberDisappeared(Member member) {
if ( membership == null ) setupMembership();
boolean notify = false;
boolean shutdown = Arrays.equals(member.getCommand(),Member.SHUTDOWN_PAYLOAD);
if (shutdown) {
synchronized (membership) {
if (!membership.contains(member)) return;
membership.removeMember( (MemberImpl) member);
removeSuspects.remove(member);
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
super.memberDisappeared(member);
} else {
if(log.isInfoEnabled())
log.info("Received memberDisappeared["+member+"] message. Will verify.");
synchronized (membership) {
if (!membership.contains(member)) {
if(log.isInfoEnabled())
log.info("Verification complete. Member already disappeared["+member+"]");
return;
}
//check to see if the member really is gone
if (!memberAlive(member)) {
//not correct, we need to maintain the map
membership.removeMember( (MemberImpl) member);
removeSuspects.remove(member);
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
notify = true;
} else {
//add the member as suspect
removeSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
if ( notify ) {
if(log.isInfoEnabled())
log.info("Verification complete. Member disappeared["+member+"]");
super.memberDisappeared(member);
} else {
if(log.isInfoEnabled())
log.info("Verification complete. Member still alive["+member+"]");
}
}
}
Example #8
| Source File: ChannelCoordinator.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Starts up the channel. This can be called multiple times for individual services to start
* The svc parameter can be the logical or value of any constants
* @param svc int value of <BR>
* DEFAULT - will start all services <BR>
* MBR_RX_SEQ - starts the membership receiver <BR>
* MBR_TX_SEQ - starts the membership broadcaster <BR>
* SND_TX_SEQ - starts the replication transmitter<BR>
* SND_RX_SEQ - starts the replication receiver<BR>
* @throws ChannelException if a startup error occurs or the service is already started.
*/
protected synchronized void internalStart(int svc) throws ChannelException {
try {
boolean valid = false;
//make sure we don't pass down any flags that are unrelated to the bottom layer
svc = svc & Channel.DEFAULT;
if (startLevel == Channel.DEFAULT) return; //we have already started up all components
if (svc == 0 ) return;//nothing to start
if (svc == (svc & startLevel)) throw new ChannelException("Channel already started for level:"+svc);
//must start the receiver first so that we can coordinate the port it
//listens to with the local membership settings
if ( Channel.SND_RX_SEQ==(svc & Channel.SND_RX_SEQ) ) {
clusterReceiver.setMessageListener(this);
if (clusterReceiver instanceof ReceiverBase) {
((ReceiverBase)clusterReceiver).setChannel(getChannel());
}
clusterReceiver.start();
//synchronize, big time FIXME
Member localMember = getChannel().getLocalMember(false);
if (localMember instanceof StaticMember) {
// static member
StaticMember staticMember = (StaticMember)localMember;
staticMember.setHost(getClusterReceiver().getHost());
staticMember.setPort(getClusterReceiver().getPort());
staticMember.setSecurePort(getClusterReceiver().getSecurePort());
} else {
// multicast member
membershipService.setLocalMemberProperties(getClusterReceiver().getHost(),
getClusterReceiver().getPort(),
getClusterReceiver().getSecurePort(),
getClusterReceiver().getUdpPort());
}
valid = true;
}
if ( Channel.SND_TX_SEQ==(svc & Channel.SND_TX_SEQ) ) {
if (clusterSender instanceof ReplicationTransmitter) {
((ReplicationTransmitter)clusterSender).setChannel(getChannel());
}
valid = true;
clusterSender.start();
}
if ( Channel.MBR_RX_SEQ==(svc & Channel.MBR_RX_SEQ) ) {
membershipService.setMembershipListener(this);
if (membershipService instanceof McastService) {
((McastService)membershipService).setMessageListener(this);
((McastService)membershipService).setChannel(getChannel());
}
membershipService.start(MembershipService.MBR_RX);
valid = true;
}
if ( Channel.MBR_TX_SEQ==(svc & Channel.MBR_TX_SEQ) ) {
if (membershipService instanceof McastService) {
((McastService)membershipService).setChannel(getChannel());
}
membershipService.start(MembershipService.MBR_TX);
valid = true;
}
if ( !valid) {
throw new IllegalArgumentException("Invalid start level, valid levels are:SND_RX_SEQ,SND_TX_SEQ,MBR_TX_SEQ,MBR_RX_SEQ");
}
startLevel = (startLevel | svc);
}catch ( ChannelException cx ) {
throw cx;
}catch ( Exception x ) {
throw new ChannelException(x);
}
}
Example #9
| Source File: TcpFailureDetector.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void memberDisappeared(Member member) {
if ( membership == null ) setupMembership();
boolean notify = false;
boolean shutdown = Arrays.equals(member.getCommand(),Member.SHUTDOWN_PAYLOAD);
if (shutdown) {
synchronized (membership) {
if (!membership.contains(member)) return;
membership.removeMember( (MemberImpl) member);
removeSuspects.remove(member);
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
super.memberDisappeared(member);
} else {
if(log.isInfoEnabled())
log.info("Received memberDisappeared["+member+"] message. Will verify.");
synchronized (membership) {
if (!membership.contains(member)) {
if(log.isInfoEnabled())
log.info("Verification complete. Member already disappeared["+member+"]");
return;
}
//check to see if the member really is gone
if (!memberAlive(member)) {
//not correct, we need to maintain the map
membership.removeMember( (MemberImpl) member);
removeSuspects.remove(member);
if (member instanceof StaticMember) {
addSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
notify = true;
} else {
//add the member as suspect
removeSuspects.put(member, Long.valueOf(System.currentTimeMillis()));
}
}
if ( notify ) {
if(log.isInfoEnabled())
log.info("Verification complete. Member disappeared["+member+"]");
super.memberDisappeared(member);
} else {
if(log.isInfoEnabled())
log.info("Verification complete. Member still alive["+member+"]");
}
}
}
Example #10
| Source File: StaticMembershipInterceptor.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
public void setLocalMember(Member member) {
this.localMember = member;
((StaticMember)localMember).setLocal(true);
}
