org.apache.catalina.tribes.group.Response Java Examples
The following examples show how to use
org.apache.catalina.tribes.group.Response.
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Example #1
| Source File: AbstractReplicatedMap.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
/**
* Helper method to broadcast a message to all members in a channel
* @param msgtype int
* @param rpc boolean
* @throws ChannelException Send error
*/
protected void broadcast(int msgtype, boolean rpc) throws ChannelException {
Member[] members = channel.getMembers();
// No destination.
if (members.length == 0 ) return;
//send out a map membership message, only wait for the first reply
MapMessage msg = new MapMessage(this.mapContextName, msgtype,
false, null, null, null, channel.getLocalMember(false), null);
if ( rpc) {
Response[] resp = rpcChannel.send(members, msg,
RpcChannel.FIRST_REPLY, (channelSendOptions), rpcTimeout);
if (resp.length > 0) {
for (int i = 0; i < resp.length; i++) {
mapMemberAdded(resp[i].getSource());
messageReceived(resp[i].getMessage(), resp[i].getSource());
}
} else {
log.warn(sm.getString("abstractReplicatedMap.broadcast.noReplies"));
}
} else {
channel.send(channel.getMembers(),msg,channelSendOptions);
}
}
Example #2
| Source File: EchoRpcTest.java From Tomcat8-Source-Read with MIT License | 6 votes |
|
@Override
public void run() {
long counter = 0;
while (counter<count) {
String msg = message + " cnt="+(++counter);
try {
System.out.println("Sending ["+msg+"]");
long start = System.currentTimeMillis();
Response[] resp = rpc.send(channel.getMembers(),msg,options,Channel.SEND_OPTIONS_DEFAULT,timeout);
System.out.println("Send of ["+msg+"] completed. Nr of responses="+resp.length+" Time:"+(System.currentTimeMillis()-start)+" ms.");
for ( int i=0; i<resp.length; i++ ) {
System.out.println("Received a response message from ["+resp[i].getSource().getName()+"] with data ["+resp[i].getMessage()+"]");
}
Thread.sleep(pause);
}catch(Exception x){
// Ignore
}
}
}
Example #3
| Source File: AbstractReplicatedMap.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
/**
* Helper method to broadcast a message to all members in a channel
* @param msgtype int
* @param rpc boolean
* @throws ChannelException
*/
protected void broadcast(int msgtype, boolean rpc) throws ChannelException {
Member[] members = channel.getMembers();
// No destination.
if (members.length == 0 ) return;
//send out a map membership message, only wait for the first reply
MapMessage msg = new MapMessage(this.mapContextName, msgtype,
false, null, null, null, channel.getLocalMember(false), null);
if ( rpc) {
Response[] resp = rpcChannel.send(members, msg,
RpcChannel.FIRST_REPLY, (channelSendOptions), rpcTimeout);
if (resp.length > 0) {
for (int i = 0; i < resp.length; i++) {
mapMemberAdded(resp[i].getSource());
messageReceived(resp[i].getMessage(), resp[i].getSource());
}
} else {
log.warn("broadcast received 0 replies, probably a timeout.");
}
} else {
channel.send(channel.getMembers(),msg,channelSendOptions);
}
}
Example #4
| Source File: EchoRpcTest.java From Tomcat7.0.67 with Apache License 2.0 | 6 votes |
|
@Override
public void run() {
long counter = 0;
while (counter<count) {
String msg = message + " cnt="+(++counter);
try {
System.out.println("Sending ["+msg+"]");
long start = System.currentTimeMillis();
Response[] resp = rpc.send(channel.getMembers(),msg,options,Channel.SEND_OPTIONS_DEFAULT,timeout);
System.out.println("Send of ["+msg+"] completed. Nr of responses="+resp.length+" Time:"+(System.currentTimeMillis()-start)+" ms.");
for ( int i=0; i<resp.length; i++ ) {
System.out.println("Received a response message from ["+resp[i].getSource().getName()+"] with data ["+resp[i].getMessage()+"]");
}
Thread.sleep(pause);
}catch(Exception x){
// Ignore
}
}
}
Example #5
| Source File: AbstractReplicatedMap.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
/**
* Helper method to broadcast a message to all members in a channel
* @param msgtype int
* @param rpc boolean
* @throws ChannelException
*/
protected void broadcast(int msgtype, boolean rpc) throws ChannelException {
Member[] members = channel.getMembers();
// No destination.
if (members.length == 0 ) return;
//send out a map membership message, only wait for the first reply
MapMessage msg = new MapMessage(this.mapContextName, msgtype,
false, null, null, null, channel.getLocalMember(false), null);
if ( rpc) {
Response[] resp = rpcChannel.send(members, msg,
RpcChannel.FIRST_REPLY, (channelSendOptions), rpcTimeout);
if (resp.length > 0) {
for (int i = 0; i < resp.length; i++) {
mapMemberAdded(resp[i].getSource());
messageReceived(resp[i].getMessage(), resp[i].getSource());
}
} else {
log.warn("broadcast received 0 replies, probably a timeout.");
}
} else {
channel.send(channel.getMembers(),msg,channelSendOptions);
}
}
Example #6
| Source File: EchoRpcTest.java From tomcatsrc with Apache License 2.0 | 6 votes |
|
@Override
public void run() {
long counter = 0;
while (counter<count) {
String msg = message + " cnt="+(++counter);
try {
System.out.println("Sending ["+msg+"]");
long start = System.currentTimeMillis();
Response[] resp = rpc.send(channel.getMembers(),msg,options,Channel.SEND_OPTIONS_DEFAULT,timeout);
System.out.println("Send of ["+msg+"] completed. Nr of responses="+resp.length+" Time:"+(System.currentTimeMillis()-start)+" ms.");
for ( int i=0; i<resp.length; i++ ) {
System.out.println("Received a response message from ["+resp[i].getSource().getName()+"] with data ["+resp[i].getMessage()+"]");
}
Thread.sleep(pause);
}catch(Exception x){
// Ignore
}
}
}
Example #7
| Source File: AbstractReplicatedMap.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@SuppressWarnings("unchecked")
@Override
public V get(Object key) {
MapEntry<K,V> entry = innerMap.get(key);
if (log.isTraceEnabled()) log.trace("Requesting id:"+key+" entry:"+entry);
if ( entry == null ) return null;
if ( !entry.isPrimary() ) {
//if the message is not primary, we need to retrieve the latest value
try {
Member[] backup = null;
MapMessage msg = null;
if (entry.isBackup()) {
//select a new backup node
backup = publishEntryInfo(key, entry.getValue());
} else if ( entry.isProxy() ) {
//make sure we don't retrieve from ourselves
msg = new MapMessage(getMapContextName(), MapMessage.MSG_RETRIEVE_BACKUP, false,
(Serializable) key, null, null, null,null);
Response[] resp = getRpcChannel().send(entry.getBackupNodes(),msg, RpcChannel.FIRST_REPLY, getChannelSendOptions(), getRpcTimeout());
if (resp == null || resp.length == 0 || resp[0].getMessage() == null) {
//no responses
log.warn(sm.getString("abstractReplicatedMap.unable.retrieve", key));
return null;
}
msg = (MapMessage) resp[0].getMessage();
msg.deserialize(getExternalLoaders());
backup = entry.getBackupNodes();
if ( msg.getValue()!=null ) entry.setValue((V) msg.getValue());
// notify member
msg = new MapMessage(getMapContextName(), MapMessage.MSG_NOTIFY_MAPMEMBER,false,
(Serializable)entry.getKey(), null, null, channel.getLocalMember(false), backup);
if ( backup != null && backup.length > 0) {
getChannel().send(backup, msg, getChannelSendOptions());
}
//invalidate the previous primary
msg = new MapMessage(getMapContextName(),MapMessage.MSG_PROXY,false,(Serializable)key,null,null,channel.getLocalMember(false),backup);
Member[] dest = getMapMembersExcl(backup);
if ( dest!=null && dest.length >0) {
getChannel().send(dest, msg, getChannelSendOptions());
}
if (entry.getValue() instanceof ReplicatedMapEntry) {
ReplicatedMapEntry val = (ReplicatedMapEntry)entry.getValue();
val.setOwner(getMapOwner());
}
} else if ( entry.isCopy() ) {
backup = getMapMembers();
if (backup.length > 0) {
msg = new MapMessage(getMapContextName(), MapMessage.MSG_NOTIFY_MAPMEMBER,false,
(Serializable)key,null,null,channel.getLocalMember(false),backup);
getChannel().send(backup, msg, getChannelSendOptions());
}
}
entry.setPrimary(channel.getLocalMember(false));
entry.setBackupNodes(backup);
entry.setBackup(false);
entry.setProxy(false);
entry.setCopy(false);
if ( getMapOwner()!=null ) getMapOwner().objectMadePrimary(key, entry.getValue());
} catch (RuntimeException | ChannelException | ClassNotFoundException | IOException x) {
log.error(sm.getString("abstractReplicatedMap.unable.get"), x);
return null;
}
}
if (log.isTraceEnabled()) log.trace("Requesting id:"+key+" result:"+entry.getValue());
return entry.getValue();
}
Example #8
| Source File: AbstractReplicatedMap.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* Sends a ping out to all the members in the cluster, not just map members
* that this map is alive.
* @param timeout long
* @throws ChannelException
*/
protected void ping(long timeout) throws ChannelException {
//send out a map membership message, only wait for the first reply
MapMessage msg = new MapMessage(this.mapContextName,
MapMessage.MSG_INIT,
false,
null,
null,
null,
channel.getLocalMember(false),
null);
if ( channel.getMembers().length > 0 ) {
try {
//send a ping, wait for all nodes to reply
Response[] resp = rpcChannel.send(channel.getMembers(),
msg, RpcChannel.ALL_REPLY,
(channelSendOptions),
(int) accessTimeout);
for (int i = 0; i < resp.length; i++) {
memberAlive(resp[i].getSource());
}
} catch (ChannelException ce) {
// Handle known failed members
FaultyMember[] faultyMembers = ce.getFaultyMembers();
for (FaultyMember faultyMember : faultyMembers) {
memberDisappeared(faultyMember.getMember());
}
throw ce;
}
}
//update our map of members, expire some if we didn't receive a ping back
synchronized (mapMembers) {
Member[] members = mapMembers.keySet().toArray(new Member[mapMembers.size()]);
long now = System.currentTimeMillis();
for (Member member : members) {
long access = mapMembers.get(member).longValue();
if ( (now - access) > timeout ) {
memberDisappeared(member);
}
}
}//synch
}
Example #9
| Source File: AbstractReplicatedMap.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
@SuppressWarnings("unchecked")
@Override
public V get(Object key) {
MapEntry<K,V> entry = innerMap.get(key);
if (log.isTraceEnabled()) log.trace("Requesting id:"+key+" entry:"+entry);
if ( entry == null ) return null;
if ( !entry.isPrimary() ) {
//if the message is not primary, we need to retrieve the latest value
try {
Member[] backup = null;
MapMessage msg = null;
if (entry.isBackup()) {
//select a new backup node
backup = publishEntryInfo(key, entry.getValue());
} else if ( entry.isProxy() ) {
//make sure we don't retrieve from ourselves
msg = new MapMessage(getMapContextName(), MapMessage.MSG_RETRIEVE_BACKUP, false,
(Serializable) key, null, null, null,null);
Response[] resp = getRpcChannel().send(entry.getBackupNodes(),msg, RpcChannel.FIRST_REPLY, Channel.SEND_OPTIONS_DEFAULT, getRpcTimeout());
if (resp == null || resp.length == 0) {
//no responses
log.warn("Unable to retrieve remote object for key:" + key);
return null;
}
msg = (MapMessage) resp[0].getMessage();
msg.deserialize(getExternalLoaders());
backup = entry.getBackupNodes();
if ( msg.getValue()!=null ) entry.setValue((V) msg.getValue());
//invalidate the previous primary
msg = new MapMessage(getMapContextName(),MapMessage.MSG_PROXY,false,(Serializable)key,null,null,channel.getLocalMember(false),backup);
Member[] dest = getMapMembersExcl(backup);
if ( dest!=null && dest.length >0) {
getChannel().send(dest, msg, getChannelSendOptions());
}
if (entry.getValue() instanceof ReplicatedMapEntry) {
ReplicatedMapEntry val = (ReplicatedMapEntry)entry.getValue();
val.setOwner(getMapOwner());
}
} else if ( entry.isCopy() ) {
backup = getMapMembers();
if (backup.length > 0) {
msg = new MapMessage(getMapContextName(), MapMessage.MSG_NOTIFY_MAPMEMBER,false,
(Serializable)key,null,null,channel.getLocalMember(false),backup);
getChannel().send(backup, msg, getChannelSendOptions());
}
}
entry.setPrimary(channel.getLocalMember(false));
entry.setBackupNodes(backup);
entry.setBackup(false);
entry.setProxy(false);
entry.setCopy(false);
if ( getMapOwner()!=null ) getMapOwner().objectMadePrimay(key, entry.getValue());
} catch (Exception x) {
log.error("Unable to replicate out data for a AbstractReplicatedMap.get operation", x);
return null;
}
}
if (log.isTraceEnabled()) log.trace("Requesting id:"+key+" result:"+entry.getValue());
return entry.getValue();
}
Example #10
| Source File: AbstractReplicatedMap.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@SuppressWarnings("unchecked")
@Override
public V get(Object key) {
MapEntry<K,V> entry = innerMap.get(key);
if (log.isTraceEnabled()) log.trace("Requesting id:"+key+" entry:"+entry);
if ( entry == null ) return null;
if ( !entry.isPrimary() ) {
//if the message is not primary, we need to retrieve the latest value
try {
Member[] backup = null;
MapMessage msg = null;
if (entry.isBackup()) {
//select a new backup node
backup = publishEntryInfo(key, entry.getValue());
} else if ( entry.isProxy() ) {
//make sure we don't retrieve from ourselves
msg = new MapMessage(getMapContextName(), MapMessage.MSG_RETRIEVE_BACKUP, false,
(Serializable) key, null, null, null,null);
Response[] resp = getRpcChannel().send(entry.getBackupNodes(),msg, RpcChannel.FIRST_REPLY, getChannelSendOptions(), getRpcTimeout());
if (resp == null || resp.length == 0 || resp[0].getMessage() == null) {
//no responses
log.warn("Unable to retrieve remote object for key:" + key);
return null;
}
msg = (MapMessage) resp[0].getMessage();
msg.deserialize(getExternalLoaders());
backup = entry.getBackupNodes();
if ( msg.getValue()!=null ) entry.setValue((V) msg.getValue());
// notify member
msg = new MapMessage(getMapContextName(), MapMessage.MSG_NOTIFY_MAPMEMBER,false,
(Serializable)entry.getKey(), null, null, channel.getLocalMember(false), backup);
if ( backup != null && backup.length > 0) {
getChannel().send(backup, msg, getChannelSendOptions());
}
//invalidate the previous primary
msg = new MapMessage(getMapContextName(),MapMessage.MSG_PROXY,false,(Serializable)key,null,null,channel.getLocalMember(false),backup);
Member[] dest = getMapMembersExcl(backup);
if ( dest!=null && dest.length >0) {
getChannel().send(dest, msg, getChannelSendOptions());
}
if (entry.getValue() instanceof ReplicatedMapEntry) {
ReplicatedMapEntry val = (ReplicatedMapEntry)entry.getValue();
val.setOwner(getMapOwner());
}
} else if ( entry.isCopy() ) {
backup = getMapMembers();
if (backup.length > 0) {
msg = new MapMessage(getMapContextName(), MapMessage.MSG_NOTIFY_MAPMEMBER,false,
(Serializable)key,null,null,channel.getLocalMember(false),backup);
getChannel().send(backup, msg, getChannelSendOptions());
}
}
entry.setPrimary(channel.getLocalMember(false));
entry.setBackupNodes(backup);
entry.setBackup(false);
entry.setProxy(false);
entry.setCopy(false);
if ( getMapOwner()!=null ) getMapOwner().objectMadePrimay(key, entry.getValue());
} catch (Exception x) {
log.error("Unable to replicate out data for a AbstractReplicatedMap.get operation", x);
return null;
}
}
if (log.isTraceEnabled()) log.trace("Requesting id:"+key+" result:"+entry.getValue());
return entry.getValue();
}
