public void messageReceived(ChannelMessage msg) {
if (okToProcess(msg.getOptions())) {
if (msg.getMessage().getLength()
== (START_DATA.length + msg.getUniqueId().length + END_DATA.length)
&& Arrays.contains(msg.getMessage().getBytesDirect(), 0, START_DATA, 0, START_DATA.length)
&& Arrays.contains(
msg.getMessage().getBytesDirect(),
START_DATA.length + msg.getUniqueId().length,
END_DATA,
0,
END_DATA.length)) {
UniqueId id =
new UniqueId(
msg.getMessage().getBytesDirect(), START_DATA.length, msg.getUniqueId().length);
MapEntry original = (MapEntry) messages.get(id);
if (original != null) {
super.messageReceived(original.msg);
messages.remove(id);
} else
log.warn(
"Received a confirmation, but original message is missing. Id:"
+ Arrays.toString(id.getBytes()));
} else {
UniqueId id = new UniqueId(msg.getUniqueId());
MapEntry entry =
new MapEntry((ChannelMessage) msg.deepclone(), id, System.currentTimeMillis());
messages.put(id, entry);
}
} else {
super.messageReceived(msg);
}
}
public String toString() {
StringBuffer buf = new StringBuffer("RpcMessage[");
buf.append(super.toString());
buf.append("] rpcId=");
buf.append(Arrays.toString(rpcId));
buf.append("; uuid=");
buf.append(Arrays.toString(uuid));
buf.append("; msg=");
buf.append(message);
return buf.toString();
}
/**
* @param destination Member[] - destination.length > 0
* @param msg Serializable - the message to send
* @param options int - sender options, options can trigger guarantee levels and different
* interceptors to react to the message see class documentation for the <code>Channel</code>
* object.<br>
* @param handler - callback object for error handling and completion notification, used when a
* message is sent asynchronously using the <code>Channel.SEND_OPTIONS_ASYNCHRONOUS</code>
* flag enabled.
* @return UniqueId - the unique Id that was assigned to this message
* @throws ChannelException - if an error occurs processing the message
* @see org.apache.catalina.tribes.Channel
*/
@Override
public UniqueIdRemoteInterface send(
Member[] destination, Serializable msg, int options, ErrorHandler handler)
throws ChannelException, RemoteException, RemoteException {
if (msg == null) throw new ChannelException("Cant send a NULL message");
XByteBufferRemoteInterface buffer = null;
try {
if (destination == null || destination.length == 0)
throw new ChannelException("No destination given");
ChannelDataRemoteInterface data =
gerenciadornuvem1.getChannelData(true); // generates a unique Id
data.setAddress(getLocalMember(false));
data.setTimestamp(System.currentTimeMillis());
byte[] b = null;
if (msg instanceof ByteMessageRemoteInterface) {
b = ((ByteMessageRemoteInterface) msg).getMessage();
options = options | SEND_OPTIONS_BYTE_MESSAGE;
} else {
b = gerenciadornuvem1.XByteBufferserialize(msg);
options = options & (~SEND_OPTIONS_BYTE_MESSAGE);
}
data.setOptions(options);
// XByteBuffer buffer = new XByteBuffer(b.length+128,false);
buffer = BufferPool.getBufferPool().getBuffer(b.length + 128, false);
buffer.append(b, 0, b.length);
data.setMessage(buffer);
InterceptorPayloadRemoteInterface payload = null;
if (handler != null) {
payload = gerenciadornuvem0.getInterceptorPayload();
payload.setErrorHandler(handler);
}
getFirstInterceptor().sendMessage(destination, data, payload);
if (Logs.getMessages().isTraceEnabled()) {
Logs.getMessages()
.trace(
"GroupChannel - Sent msg:"
+ new UniqueId(data.getUniqueId())
+ " at "
+ new java.sql.Timestamp(System.currentTimeMillis())
+ " to "
+ Arrays.toNameString(destination));
Logs.getMessages()
.trace(
"GroupChannel - Send Message:" + new UniqueId(data.getUniqueId()) + " is " + msg);
}
return gerenciadornuvem1.getUniqueId(data.getUniqueId());
} catch (Exception x) {
if (x instanceof ChannelException) throw (ChannelException) x;
throw new ChannelException(x);
} finally {
if (buffer != null) BufferPool.getBufferPool().returnBuffer(buffer);
}
}
/**
* Send a message to one or more members in the cluster
*
* @param destination Member[] - the destinations, null or zero length means all
* @param msg ClusterMessage - the message to send
* @param payload TBA
*/
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload)
throws ChannelException {
if (destination == null) destination = membershipService.getMembers();
if ((msg.getOptions() & Channel.SEND_OPTIONS_MULTICAST) == Channel.SEND_OPTIONS_MULTICAST) {
membershipService.broadcast(msg);
} else {
clusterSender.sendMessage(msg, destination);
}
if (Logs.MESSAGES.isTraceEnabled()) {
Logs.MESSAGES.trace(
"ChannelCoordinator - Sent msg:"
+ new UniqueId(msg.getUniqueId())
+ " at "
+ new java.sql.Timestamp(System.currentTimeMillis())
+ " to "
+ Arrays.toNameString(destination));
}
}
/**
* publish info about a map pair (key/value) to other nodes in the cluster
*
* @param key Object
* @param value Object
* @return Member - the backup node
* @throws ChannelException
*/
@Override
public Member[] publishEntryInfo(Object key, Object value)
throws ChannelException, RemoteException {
try {
if (!(key instanceof Serializable && value instanceof Serializable)) return new Member[0];
Member[] members = getMapMembers();
int firstIdx = getNextBackupIndex();
int nextIdx = firstIdx;
Member[] backup = new Member[0];
// there are no backups
if (members.length == 0 || firstIdx == -1) return backup;
boolean success = false;
do {
// select a backup node
Member next = members[nextIdx];
// increment for the next round of back up selection
nextIdx = nextIdx + 1;
if (nextIdx >= members.length) nextIdx = 0;
if (next == null) {
continue;
}
org.apache.catalina.tribes.tipis.AbstractReplicatedMapMapMessageRemoteInterface msg = null;
try {
backup = wrap(next);
// publish the backup data to one node
msg =
gerenciadornuvem1.getAbstractReplicatedMapMapMessage(
getMapContextName(),
gerenciadornuvem1.AbstractReplicatedMapMapMessagegetMsgBackup(),
false,
(Serializable) key,
(Serializable) value,
null,
getChannel().getLocalMember(false),
backup);
if (log.isTraceEnabled())
log.trace("Publishing backup data:" + msg + " to: " + next.getName());
org.apache.catalina.tribes.UniqueIdRemoteInterface id =
getChannel().send(backup, msg, getChannelSendOptions());
if (log.isTraceEnabled()) log.trace("Data published:" + msg + " msg Id:" + id);
// we published out to a backup, mark the test success
success = true;
} catch (ChannelException x) {
log.error(
"Unable to replicate backup key:"
+ key
+ " to backup:"
+ next
+ ". Reason:"
+ x.getMessage(),
x);
}
try {
// publish the data out to all nodes
Member[] proxies = excludeFromSet(backup, getMapMembers());
if (success && proxies.length > 0) {
msg =
gerenciadornuvem1.getAbstractReplicatedMapMapMessage(
getMapContextName(),
gerenciadornuvem1.AbstractReplicatedMapMapMessagegetMsgProxy(),
false,
(Serializable) key,
null,
null,
getChannel().getLocalMember(false),
backup);
if (log.isTraceEnabled())
log.trace("Publishing proxy data:" + msg + " to: " + Arrays.toNameString(proxies));
getChannel().send(proxies, msg, getChannelSendOptions());
}
} catch (ChannelException x) {
// log the error, but proceed, this should only happen if a node went down,
// and if the node went down, then it can't receive the message, the others
// should still get it.
log.error(
"Unable to replicate proxy key:"
+ key
+ " to backup:"
+ next
+ ". Reason:"
+ x.getMessage(),
x);
}
} while (!success && (firstIdx != nextIdx));
return backup;
} catch (Exception excp) {
excp.printStackTrace();
}
return null;
}
public void setDomain(String domain) {
if (domain == null) return;
if (domain.startsWith("{")) setDomain(Arrays.fromString(domain));
else setDomain(Arrays.convert(domain));
}
