org.apache.catalina.ha.ClusterMessage Java Examples
The following examples show how to use
org.apache.catalina.ha.ClusterMessage.
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Example #1
| Source File: SimpleTcpCluster.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
/**
* send a cluster message to one member
*
* @param msg message to transfer
* @param dest Receiver member
* @see org.apache.catalina.ha.CatalinaCluster#send(org.apache.catalina.ha.ClusterMessage,
* org.apache.catalina.tribes.Member)
*/
@Override
public void send(ClusterMessage msg, Member dest) {
try {
msg.setAddress(getLocalMember());
int sendOptions = channelSendOptions;
if (msg instanceof SessionMessage
&& ((SessionMessage)msg).getEventType() == SessionMessage.EVT_ALL_SESSION_DATA) {
sendOptions = Channel.SEND_OPTIONS_SYNCHRONIZED_ACK|Channel.SEND_OPTIONS_USE_ACK;
}
if (dest != null) {
if (!getLocalMember().equals(dest)) {
channel.send(new Member[] {dest}, msg, sendOptions);
} else
log.error("Unable to send message to local member " + msg);
} else {
Member[] destmembers = channel.getMembers();
if (destmembers.length>0)
channel.send(destmembers,msg, sendOptions);
else if (log.isDebugEnabled())
log.debug("No members in cluster, ignoring message:"+msg);
}
} catch (Exception x) {
log.error("Unable to send message through cluster sender.", x);
}
}
Example #2
| Source File: SimpleTcpCluster.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
/**
* send a cluster message to one member
*
* @param msg message to transfer
* @param dest Receiver member
* @see org.apache.catalina.ha.CatalinaCluster#send(org.apache.catalina.ha.ClusterMessage,
* org.apache.catalina.tribes.Member)
*/
@Override
public void send(ClusterMessage msg, Member dest) {
try {
msg.setAddress(getLocalMember());
int sendOptions = channelSendOptions;
if (msg instanceof SessionMessage
&& ((SessionMessage)msg).getEventType() == SessionMessage.EVT_ALL_SESSION_DATA) {
sendOptions = Channel.SEND_OPTIONS_SYNCHRONIZED_ACK|Channel.SEND_OPTIONS_USE_ACK;
}
if (dest != null) {
if (!getLocalMember().equals(dest)) {
channel.send(new Member[] {dest}, msg, sendOptions);
} else
log.error("Unable to send message to local member " + msg);
} else {
Member[] destmembers = channel.getMembers();
if (destmembers.length>0)
channel.send(destmembers,msg, sendOptions);
else if (log.isDebugEnabled())
log.debug("No members in cluster, ignoring message:"+msg);
}
} catch (Exception x) {
log.error("Unable to send message through cluster sender.", x);
}
}
Example #3
| Source File: SimpleTcpCluster.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
/**
* send a cluster message to one member
*
* @param msg message to transfer
* @param dest Receiver member
* @see org.apache.catalina.ha.CatalinaCluster#send(org.apache.catalina.ha.ClusterMessage,
* org.apache.catalina.tribes.Member)
*/
@Override
public void send(ClusterMessage msg, Member dest) {
try {
msg.setAddress(getLocalMember());
int sendOptions = channelSendOptions;
if (msg instanceof SessionMessage
&& ((SessionMessage)msg).getEventType() == SessionMessage.EVT_ALL_SESSION_DATA) {
sendOptions = Channel.SEND_OPTIONS_SYNCHRONIZED_ACK|Channel.SEND_OPTIONS_USE_ACK;
}
if (dest != null) {
if (!getLocalMember().equals(dest)) {
channel.send(new Member[] {dest}, msg, sendOptions);
} else
log.error(sm.getString("simpleTcpCluster.unableSend.localMember", msg));
} else {
Member[] destmembers = channel.getMembers();
if (destmembers.length>0)
channel.send(destmembers,msg, sendOptions);
else if (log.isDebugEnabled())
log.debug("No members in cluster, ignoring message:"+msg);
}
} catch (Exception x) {
log.error(sm.getString("simpleTcpCluster.sendFailed"), x);
}
}
Example #4
| Source File: ReplicationValve.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* send manager requestCompleted message to cluster
* @param manager SessionManager
* @param sessionId sessionid from the manager
* @see DeltaManager#requestCompleted(String)
* @see SimpleTcpCluster#send(ClusterMessage)
*/
protected void send(ClusterManager manager, String sessionId) {
ClusterMessage msg = manager.requestCompleted(sessionId);
if (msg != null && cluster != null) {
cluster.send(msg);
if(doStatistics()) {
nrOfSendRequests++;
}
}
}
Example #5
| Source File: DeltaManager.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
/**
* A message was received from another node, this is the callback method to
* implement if you are interested in receiving replication messages.
*
* @param cmsg -
* the message received.
*/
@Override
public void messageDataReceived(ClusterMessage cmsg) {
if (cmsg != null && cmsg instanceof SessionMessage) {
SessionMessage msg = (SessionMessage) cmsg;
switch (msg.getEventType()) {
case SessionMessage.EVT_GET_ALL_SESSIONS:
case SessionMessage.EVT_SESSION_CREATED:
case SessionMessage.EVT_SESSION_EXPIRED:
case SessionMessage.EVT_SESSION_ACCESSED:
case SessionMessage.EVT_SESSION_DELTA:
case SessionMessage.EVT_CHANGE_SESSION_ID: {
synchronized(receivedMessageQueue) {
if(receiverQueue) {
receivedMessageQueue.add(msg);
return ;
}
}
break;
}
default: {
//we didn't queue, do nothing
break;
}
} //switch
messageReceived(msg, msg.getAddress() != null ? (Member) msg.getAddress() : null);
}
}
Example #6
| Source File: BackupManager.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
@Override
public ClusterMessage requestCompleted(String sessionId) {
if (!getState().isAvailable()) return null;
LazyReplicatedMap<String,Session> map =
(LazyReplicatedMap<String,Session>)sessions;
map.replicate(sessionId,false);
return null;
}
Example #7
| Source File: BackupManager.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
@Override
public ClusterMessage requestCompleted(String sessionId) {
if (!getState().isAvailable()) return null;
LazyReplicatedMap<String,Session> map =
(LazyReplicatedMap<String,Session>)sessions;
map.replicate(sessionId,false);
return null;
}
Example #8
| Source File: DeltaManager.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
/**
* A message was received from another node, this is the callback method to
* implement if you are interested in receiving replication messages.
*
* @param cmsg -
* the message received.
*/
@Override
public void messageDataReceived(ClusterMessage cmsg) {
if (cmsg != null && cmsg instanceof SessionMessage) {
SessionMessage msg = (SessionMessage) cmsg;
switch (msg.getEventType()) {
case SessionMessage.EVT_GET_ALL_SESSIONS:
case SessionMessage.EVT_SESSION_CREATED:
case SessionMessage.EVT_SESSION_EXPIRED:
case SessionMessage.EVT_SESSION_ACCESSED:
case SessionMessage.EVT_SESSION_DELTA:
case SessionMessage.EVT_CHANGE_SESSION_ID: {
synchronized(receivedMessageQueue) {
if(receiverQueue) {
receivedMessageQueue.add(msg);
return ;
}
}
break;
}
default: {
//we didn't queue, do nothing
break;
}
} //switch
messageReceived(msg, msg.getAddress() != null ? (Member) msg.getAddress() : null);
}
}
Example #9
| Source File: SimpleTcpCluster.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
public void messageReceived(ClusterMessage message) {
if (log.isDebugEnabled() && message != null)
log.debug("Assuming clocks are synched: Replication for "
+ message.getUniqueId() + " took="
+ (System.currentTimeMillis() - (message).getTimestamp())
+ " ms.");
//invoke all the listeners
boolean accepted = false;
if (message != null) {
for (Iterator<ClusterListener> iter = clusterListeners.iterator();
iter.hasNext();) {
ClusterListener listener = iter.next();
if (listener.accept(message)) {
accepted = true;
listener.messageReceived(message);
}
}
if (!accepted && notifyLifecycleListenerOnFailure) {
Member dest = message.getAddress();
// Notify our interested LifecycleListeners
fireLifecycleEvent(RECEIVE_MESSAGE_FAILURE_EVENT,
new SendMessageData(message, dest, null));
if (log.isDebugEnabled()) {
log.debug("Message " + message.toString() + " from type "
+ message.getClass().getName()
+ " transferred but no listener registered");
}
}
}
}
Example #10
| Source File: SimpleTcpCluster.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
public void messageReceived(ClusterMessage message) {
if (log.isDebugEnabled() && message != null)
log.debug("Assuming clocks are synched: Replication for "
+ message.getUniqueId() + " took="
+ (System.currentTimeMillis() - (message).getTimestamp())
+ " ms.");
//invoke all the listeners
boolean accepted = false;
if (message != null) {
for (Iterator<ClusterListener> iter = clusterListeners.iterator();
iter.hasNext();) {
ClusterListener listener = iter.next();
if (listener.accept(message)) {
accepted = true;
listener.messageReceived(message);
}
}
if (!accepted && notifyLifecycleListenerOnFailure) {
Member dest = message.getAddress();
// Notify our interested LifecycleListeners
fireLifecycleEvent(RECEIVE_MESSAGE_FAILURE_EVENT,
new SendMessageData(message, dest, null));
if (log.isDebugEnabled()) {
log.debug("Message " + message.toString() + " from type "
+ message.getClass().getName()
+ " transfered but no listener registered");
}
}
}
return;
}
Example #11
| Source File: ReplicationValve.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
/**
* send manager requestCompleted message to cluster
* @param manager SessionManager
* @param cluster replication cluster
* @param sessionId sessionid from the manager
* @see DeltaManager#requestCompleted(String)
* @see SimpleTcpCluster#send(ClusterMessage)
*/
protected void send(ClusterManager manager, CatalinaCluster cluster, String sessionId) {
ClusterMessage msg = manager.requestCompleted(sessionId);
if (msg != null) {
cluster.send(msg);
if(doStatistics())
nrOfSendRequests++;
}
}
Example #12
| Source File: SimpleTcpCluster.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
public void messageReceived(ClusterMessage message) {
if (log.isDebugEnabled() && message != null)
log.debug("Assuming clocks are synched: Replication for "
+ message.getUniqueId() + " took="
+ (System.currentTimeMillis() - (message).getTimestamp())
+ " ms.");
//invoke all the listeners
boolean accepted = false;
if (message != null) {
for (Iterator<ClusterListener> iter = clusterListeners.iterator();
iter.hasNext();) {
ClusterListener listener = iter.next();
if (listener.accept(message)) {
accepted = true;
listener.messageReceived(message);
}
}
if (!accepted && notifyLifecycleListenerOnFailure) {
Member dest = message.getAddress();
// Notify our interested LifecycleListeners
fireLifecycleEvent(RECEIVE_MESSAGE_FAILURE_EVENT,
new SendMessageData(message, dest, null));
if (log.isDebugEnabled()) {
log.debug("Message " + message.toString() + " from type "
+ message.getClass().getName()
+ " transfered but no listener registered");
}
}
}
return;
}
Example #13
| Source File: ClusterObserver.java From tomee with Apache License 2.0 | 5 votes |
|
private void send(final ClusterMessage message, final AppInfo app) {
for (final CatalinaCluster cluster : clusters) {
final String path = app.path;
if (new File(path).exists() && !app.autoDeploy) {
cluster.send(message);
}
}
}
Example #14
| Source File: DeltaManager.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* A message was received from another node, this is the callback method to
* implement if you are interested in receiving replication messages.
*
* @param cmsg -
* the message received.
*/
@Override
public void messageDataReceived(ClusterMessage cmsg) {
if (cmsg instanceof SessionMessage) {
SessionMessage msg = (SessionMessage) cmsg;
switch (msg.getEventType()) {
case SessionMessage.EVT_GET_ALL_SESSIONS:
case SessionMessage.EVT_SESSION_CREATED:
case SessionMessage.EVT_SESSION_EXPIRED:
case SessionMessage.EVT_SESSION_ACCESSED:
case SessionMessage.EVT_SESSION_DELTA:
case SessionMessage.EVT_CHANGE_SESSION_ID:
synchronized(receivedMessageQueue) {
if(receiverQueue) {
receivedMessageQueue.add(msg);
return ;
}
}
break;
default:
//we didn't queue, do nothing
break;
} //switch
messageReceived(msg, msg.getAddress());
}
}
Example #15
| Source File: BackupManager.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
@Override
public ClusterMessage requestCompleted(String sessionId) {
if (!getState().isAvailable()) return null;
LazyReplicatedMap<String,Session> map =
(LazyReplicatedMap<String,Session>)sessions;
map.replicate(sessionId,false);
return null;
}
Example #16
| Source File: ReplicationValve.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
/**
* send manager requestCompleted message to cluster
* @param manager SessionManager
* @param cluster replication cluster
* @param sessionId sessionid from the manager
* @see DeltaManager#requestCompleted(String)
* @see SimpleTcpCluster#send(ClusterMessage)
*/
protected void send(ClusterManager manager, CatalinaCluster cluster, String sessionId) {
ClusterMessage msg = manager.requestCompleted(sessionId);
if (msg != null) {
cluster.send(msg);
if(doStatistics())
nrOfSendRequests++;
}
}
Example #17
| Source File: SimpleTcpCluster.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
@Override
public void messageReceived(Serializable message, Member sender) {
ClusterMessage fwd = (ClusterMessage)message;
fwd.setAddress(sender);
messageReceived(fwd);
}
Example #18
| Source File: ClusterSessionListener.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Callback from the cluster, when a message is received, The cluster will
* broadcast it invoking the messageReceived on the receiver.
*
* @param myobj
* ClusterMessage - the message received from the cluster
*/
@Override
public void messageReceived(ClusterMessage myobj) {
if (myobj != null && myobj instanceof SessionMessage) {
SessionMessage msg = (SessionMessage) myobj;
String ctxname = msg.getContextName();
//check if the message is a EVT_GET_ALL_SESSIONS,
//if so, wait until we are fully started up
Map<String,ClusterManager> managers = cluster.getManagers() ;
if (ctxname == null) {
for (Map.Entry<String, ClusterManager> entry :
managers.entrySet()) {
if (entry.getValue() != null)
entry.getValue().messageDataReceived(msg);
else {
//this happens a lot before the system has started
// up
if (log.isDebugEnabled())
log.debug("Context manager doesn't exist:"
+ entry.getKey());
}
}
} else {
ClusterManager mgr = managers.get(ctxname);
if (mgr != null) {
mgr.messageDataReceived(msg);
} else {
if (log.isWarnEnabled())
log.warn("Context manager doesn't exist:" + ctxname);
// A no context manager message is replied in order to avoid
// timeout of GET_ALL_SESSIONS sync phase.
if (msg.getEventType() == SessionMessage.EVT_GET_ALL_SESSIONS) {
SessionMessage replymsg = new SessionMessageImpl(ctxname,
SessionMessage.EVT_ALL_SESSION_NOCONTEXTMANAGER,
null, "NO-CONTEXT-MANAGER","NO-CONTEXT-MANAGER-" + ctxname);
cluster.send(replymsg, msg.getAddress());
}
}
}
}
return;
}
Example #19
| Source File: DeltaSession.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
public void expire(boolean notify, boolean notifyCluster) {
// Check to see if session has already been invalidated.
// Do not check expiring at this point as expire should not return until
// isValid is false
if (!isValid)
return;
synchronized (this) {
// Check again, now we are inside the sync so this code only runs once
// Double check locking - isValid needs to be volatile
if (!isValid)
return;
if (manager == null)
return;
String expiredId = getIdInternal();
if(notifyCluster && expiredId != null &&
manager instanceof DeltaManager) {
DeltaManager dmanager = (DeltaManager)manager;
CatalinaCluster cluster = dmanager.getCluster();
ClusterMessage msg = dmanager.requestCompleted(expiredId, true);
if (msg != null) {
cluster.send(msg);
}
}
super.expire(notify);
if (notifyCluster) {
if (log.isDebugEnabled())
log.debug(sm.getString("deltaSession.notifying",
((ClusterManager)manager).getName(),
Boolean.valueOf(isPrimarySession()),
expiredId));
if ( manager instanceof DeltaManager ) {
( (DeltaManager) manager).sessionExpired(expiredId);
}
}
}
}
Example #20
| Source File: BackupManager.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void messageDataReceived(ClusterMessage msg) {
}
Example #21
| Source File: DeltaManager.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* When the request has been completed, the replication valve will notify
* the manager, and the manager will decide whether any replication is
* needed or not. If there is a need for replication, the manager will
* create a session message and that will be replicated. The cluster
* determines where it gets sent.
*
* Session expiration also calls this method, but with expires == true.
*
* @param sessionId -
* the sessionId that just completed.
* @param expires -
* whether this method has been called during session expiration
* @return a SessionMessage to be sent,
*/
public ClusterMessage requestCompleted(String sessionId, boolean expires) {
DeltaSession session = null;
SessionMessage msg = null;
try {
session = (DeltaSession) findSession(sessionId);
if (session == null) {
// A parallel request has called session.invalidate() which has
// removed the session from the Manager.
return null;
}
DeltaRequest deltaRequest = session.getDeltaRequest();
session.lock();
if (deltaRequest.getSize() > 0) {
counterSend_EVT_SESSION_DELTA++;
byte[] data = serializeDeltaRequest(session,deltaRequest);
msg = new SessionMessageImpl(getName(),
SessionMessage.EVT_SESSION_DELTA,
data,
sessionId,
sessionId + "-" + System.currentTimeMillis());
session.resetDeltaRequest();
}
} catch (IOException x) {
log.error(sm.getString("deltaManager.createMessage.unableCreateDeltaRequest",sessionId), x);
return null;
}finally {
if (session!=null) session.unlock();
}
if(msg == null) {
if(!expires && !session.isPrimarySession()) {
counterSend_EVT_SESSION_ACCESSED++;
msg = new SessionMessageImpl(getName(),
SessionMessage.EVT_SESSION_ACCESSED,
null,
sessionId,
sessionId + "-" + System.currentTimeMillis());
if (log.isDebugEnabled()) {
log.debug(sm.getString("deltaManager.createMessage.accessChangePrimary",getName(), sessionId));
}
}
} else { // log only outside synch block!
if (log.isDebugEnabled()) {
log.debug(sm.getString("deltaManager.createMessage.delta",getName(), sessionId));
}
}
if (!expires) session.setPrimarySession(true);
//check to see if we need to send out an access message
if (!expires && (msg == null)) {
long replDelta = System.currentTimeMillis() - session.getLastTimeReplicated();
if (session.getMaxInactiveInterval() >=0 &&
replDelta > (session.getMaxInactiveInterval() * 1000L)) {
counterSend_EVT_SESSION_ACCESSED++;
msg = new SessionMessageImpl(getName(),
SessionMessage.EVT_SESSION_ACCESSED,
null,
sessionId,
sessionId + "-" + System.currentTimeMillis());
if (log.isDebugEnabled()) {
log.debug(sm.getString("deltaManager.createMessage.access", getName(),sessionId));
}
}
}
//update last replicated time
if (msg != null) {
session.setLastTimeReplicated(System.currentTimeMillis());
msg.setTimestamp(session.getLastTimeReplicated());
}
return msg;
}
Example #22
| Source File: BackupManager.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@Override
public void messageDataReceived(ClusterMessage msg) {
}
Example #23
| Source File: JvmRouteSessionIDBinderListener.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* Callback from the cluster, when a message is received, The cluster will
* broadcast it invoking the messageReceived on the receiver.
*
* @param msg
* ClusterMessage - the message received from the cluster
*/
@Override
public void messageReceived(ClusterMessage msg) {
if (msg instanceof SessionIDMessage) {
SessionIDMessage sessionmsg = (SessionIDMessage) msg;
if (log.isDebugEnabled())
log.debug(sm.getString(
"jvmRoute.receiveMessage.sessionIDChanged", sessionmsg
.getOrignalSessionID(), sessionmsg
.getBackupSessionID(), sessionmsg
.getContextName()));
Container container = getCluster().getContainer();
Container host = null ;
if(container instanceof Engine) {
host = container.findChild(sessionmsg.getHost());
} else {
host = container ;
}
if (host != null) {
Context context = (Context) host.findChild(sessionmsg
.getContextName());
if (context != null) {
try {
Session session = context.getManager().findSession(
sessionmsg.getOrignalSessionID());
if (session != null) {
session.setId(sessionmsg.getBackupSessionID());
} else if (log.isInfoEnabled())
log.info(sm.getString("jvmRoute.lostSession",
sessionmsg.getOrignalSessionID(),
sessionmsg.getContextName()));
} catch (IOException e) {
log.error(e);
}
} else if (log.isErrorEnabled())
log.error(sm.getString("jvmRoute.contextNotFound",
sessionmsg.getContextName(), ((StandardEngine) host
.getParent()).getJvmRoute()));
} else if (log.isErrorEnabled())
log.error(sm.getString("jvmRoute.hostNotFound", sessionmsg.getContextName()));
}
return;
}
Example #24
| Source File: SimpleTcpCluster.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void messageReceived(Serializable message, Member sender) {
ClusterMessage fwd = (ClusterMessage)message;
fwd.setAddress(sender);
messageReceived(fwd);
}
Example #25
| Source File: TomEEClusterListener.java From tomee with Apache License 2.0 | 4 votes |
|
@Override
public boolean accept(final ClusterMessage clusterMessage) {
return clusterMessage != null
&& (DeployMessage.class.equals(clusterMessage.getClass())
|| UndeployMessage.class.equals(clusterMessage.getClass()));
}
Example #26
| Source File: DeltaSession.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
public void expire(boolean notify, boolean notifyCluster) {
// Check to see if session has already been invalidated.
// Do not check expiring at this point as expire should not return until
// isValid is false
if (!isValid)
return;
synchronized (this) {
// Check again, now we are inside the sync so this code only runs once
// Double check locking - isValid needs to be volatile
if (!isValid)
return;
if (manager == null)
return;
String expiredId = getIdInternal();
if(notifyCluster && expiredId != null &&
manager instanceof DeltaManager) {
DeltaManager dmanager = (DeltaManager)manager;
CatalinaCluster cluster = dmanager.getCluster();
ClusterMessage msg = dmanager.requestCompleted(expiredId, true);
if (msg != null) {
cluster.send(msg);
}
}
super.expire(notify);
if (notifyCluster) {
if (log.isDebugEnabled())
log.debug(sm.getString("deltaSession.notifying",
((ClusterManager)manager).getName(),
Boolean.valueOf(isPrimarySession()),
expiredId));
if ( manager instanceof DeltaManager ) {
( (DeltaManager) manager).sessionExpired(expiredId);
}
}
}
}
Example #27
| Source File: JvmRouteSessionIDBinderListener.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Callback from the cluster, when a message is received, The cluster will
* broadcast it invoking the messageReceived on the receiver.
*
* @param msg
* ClusterMessage - the message received from the cluster
*/
@Override
public void messageReceived(ClusterMessage msg) {
if (msg instanceof SessionIDMessage) {
SessionIDMessage sessionmsg = (SessionIDMessage) msg;
if (log.isDebugEnabled())
log.debug(sm.getString(
"jvmRoute.receiveMessage.sessionIDChanged", sessionmsg
.getOrignalSessionID(), sessionmsg
.getBackupSessionID(), sessionmsg
.getContextName()));
Container container = getCluster().getContainer();
Container host = null ;
if(container instanceof Engine) {
host = container.findChild(sessionmsg.getHost());
} else {
host = container ;
}
if (host != null) {
Context context = (Context) host.findChild(sessionmsg
.getContextName());
if (context != null) {
try {
Session session = context.getManager().findSession(
sessionmsg.getOrignalSessionID());
if (session != null) {
session.setId(sessionmsg.getBackupSessionID());
} else if (log.isInfoEnabled())
log.info(sm.getString("jvmRoute.lostSession",
sessionmsg.getOrignalSessionID(),
sessionmsg.getContextName()));
} catch (IOException e) {
log.error(e);
}
} else if (log.isErrorEnabled())
log.error(sm.getString("jvmRoute.contextNotFound",
sessionmsg.getContextName(), ((StandardEngine) host
.getParent()).getJvmRoute()));
} else if (log.isErrorEnabled())
log.error(sm.getString("jvmRoute.hostNotFound", sessionmsg.getContextName()));
}
return;
}
Example #28
| Source File: DeltaManager.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* When the request has been completed, the replication valve will notify
* the manager, and the manager will decide whether any replication is
* needed or not. If there is a need for replication, the manager will
* create a session message and that will be replicated. The cluster
* determines where it gets sent.
*
* Session expiration also calls this method, but with expires == true.
*
* @param sessionId -
* the sessionId that just completed.
* @param expires -
* whether this method has been called during session expiration
* @return a SessionMessage to be sent,
*/
public ClusterMessage requestCompleted(String sessionId, boolean expires) {
DeltaSession session = null;
SessionMessage msg = null;
try {
session = (DeltaSession) findSession(sessionId);
if (session == null) {
// A parallel request has called session.invalidate() which has
// removed the session from the Manager.
return null;
}
if (session.isDirty()) {
counterSend_EVT_SESSION_DELTA++;
msg = new SessionMessageImpl(getName(),
SessionMessage.EVT_SESSION_DELTA,
session.getDiff(),
sessionId,
sessionId + "-" + System.currentTimeMillis());
}
} catch (IOException x) {
log.error(sm.getString("deltaManager.createMessage.unableCreateDeltaRequest",
sessionId), x);
return null;
}
if(msg == null) {
if(!expires && !session.isPrimarySession()) {
counterSend_EVT_SESSION_ACCESSED++;
msg = new SessionMessageImpl(getName(),
SessionMessage.EVT_SESSION_ACCESSED,
null,
sessionId,
sessionId + "-" + System.currentTimeMillis());
if (log.isDebugEnabled()) {
log.debug(sm.getString("deltaManager.createMessage.accessChangePrimary",
getName(), sessionId));
}
}
} else { // log only outside synch block!
if (log.isDebugEnabled()) {
log.debug(sm.getString("deltaManager.createMessage.delta", getName(), sessionId));
}
}
if (!expires) session.setPrimarySession(true);
//check to see if we need to send out an access message
if (!expires && (msg == null)) {
long replDelta = System.currentTimeMillis() - session.getLastTimeReplicated();
if (session.getMaxInactiveInterval() >=0 &&
replDelta > (session.getMaxInactiveInterval() * 1000L)) {
counterSend_EVT_SESSION_ACCESSED++;
msg = new SessionMessageImpl(getName(),
SessionMessage.EVT_SESSION_ACCESSED,
null,
sessionId,
sessionId + "-" + System.currentTimeMillis());
if (log.isDebugEnabled()) {
log.debug(sm.getString("deltaManager.createMessage.access",
getName(), sessionId));
}
}
}
//update last replicated time
if (msg != null) {
session.setLastTimeReplicated(System.currentTimeMillis());
msg.setTimestamp(session.getLastTimeReplicated());
}
return msg;
}
Example #29
| Source File: ClusterSessionListener.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
/**
* Callback from the cluster, when a message is received, The cluster will
* broadcast it invoking the messageReceived on the receiver.
*
* @param myobj
* ClusterMessage - the message received from the cluster
*/
@Override
public void messageReceived(ClusterMessage myobj) {
if (myobj instanceof SessionMessage) {
SessionMessage msg = (SessionMessage) myobj;
String ctxname = msg.getContextName();
//check if the message is a EVT_GET_ALL_SESSIONS,
//if so, wait until we are fully started up
Map<String,ClusterManager> managers = cluster.getManagers() ;
if (ctxname == null) {
for (Map.Entry<String, ClusterManager> entry :
managers.entrySet()) {
if (entry.getValue() != null)
entry.getValue().messageDataReceived(msg);
else {
//this happens a lot before the system has started
// up
if (log.isDebugEnabled())
log.debug(sm.getString("clusterSessionListener.noManager", entry.getKey()));
}
}
} else {
ClusterManager mgr = managers.get(ctxname);
if (mgr != null) {
mgr.messageDataReceived(msg);
} else {
if (log.isWarnEnabled())
log.warn(sm.getString("clusterSessionListener.noManager", ctxname));
// A no context manager message is replied in order to avoid
// timeout of GET_ALL_SESSIONS sync phase.
if (msg.getEventType() == SessionMessage.EVT_GET_ALL_SESSIONS) {
SessionMessage replymsg = new SessionMessageImpl(ctxname,
SessionMessage.EVT_ALL_SESSION_NOCONTEXTMANAGER,
null, "NO-CONTEXT-MANAGER","NO-CONTEXT-MANAGER-" + ctxname);
cluster.send(replymsg, msg.getAddress());
}
}
}
}
}
Example #30
| Source File: ClusterSessionListener.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Callback from the cluster, when a message is received, The cluster will
* broadcast it invoking the messageReceived on the receiver.
*
* @param myobj
* ClusterMessage - the message received from the cluster
*/
@Override
public void messageReceived(ClusterMessage myobj) {
if (myobj != null && myobj instanceof SessionMessage) {
SessionMessage msg = (SessionMessage) myobj;
String ctxname = msg.getContextName();
//check if the message is a EVT_GET_ALL_SESSIONS,
//if so, wait until we are fully started up
Map<String,ClusterManager> managers = cluster.getManagers() ;
if (ctxname == null) {
for (Map.Entry<String, ClusterManager> entry :
managers.entrySet()) {
if (entry.getValue() != null)
entry.getValue().messageDataReceived(msg);
else {
//this happens a lot before the system has started
// up
if (log.isDebugEnabled())
log.debug("Context manager doesn't exist:"
+ entry.getKey());
}
}
} else {
ClusterManager mgr = managers.get(ctxname);
if (mgr != null) {
mgr.messageDataReceived(msg);
} else {
if (log.isWarnEnabled())
log.warn("Context manager doesn't exist:" + ctxname);
// A no context manager message is replied in order to avoid
// timeout of GET_ALL_SESSIONS sync phase.
if (msg.getEventType() == SessionMessage.EVT_GET_ALL_SESSIONS) {
SessionMessage replymsg = new SessionMessageImpl(ctxname,
SessionMessage.EVT_ALL_SESSION_NOCONTEXTMANAGER,
null, "NO-CONTEXT-MANAGER","NO-CONTEXT-MANAGER-" + ctxname);
cluster.send(replymsg, msg.getAddress());
}
}
}
}
return;
}
