/**
* Callback from the interceptor stack. <br>
* When a message is received from a remote node, this method will be invoked by the previous
* interceptor.<br>
* This method can also be used to send a message to other components within the same application,
* but its an extreme case, and you're probably better off doing that logic between the
* applications itself.
*
* @param msg ChannelMessage
*/
@Override
public void messageReceived(ChannelMessage msg) {
if (msg == null) return;
try {
if (Logs.MESSAGES.isTraceEnabled()) {
Logs.MESSAGES.trace(
"GroupChannel - Received msg:"
+ new UniqueId(msg.getUniqueId())
+ " at "
+ new java.sql.Timestamp(System.currentTimeMillis())
+ " from "
+ msg.getAddress().getName());
}
Serializable fwd = null;
if ((msg.getOptions() & SEND_OPTIONS_BYTE_MESSAGE) == SEND_OPTIONS_BYTE_MESSAGE) {
fwd = new ByteMessage(msg.getMessage().getBytes());
} else {
try {
fwd =
XByteBuffer.deserialize(
msg.getMessage().getBytesDirect(), 0, msg.getMessage().getLength());
} catch (Exception sx) {
log.error(sm.getString("groupChannel.unable.deserialize", msg), sx);
return;
}
}
if (Logs.MESSAGES.isTraceEnabled()) {
Logs.MESSAGES.trace(
"GroupChannel - Receive Message:" + new UniqueId(msg.getUniqueId()) + " is " + fwd);
}
// get the actual member with the correct alive time
Member source = msg.getAddress();
boolean rx = false;
boolean delivered = false;
for (int i = 0; i < channelListeners.size(); i++) {
ChannelListener channelListener = (ChannelListener) channelListeners.get(i);
if (channelListener != null && channelListener.accept(fwd, source)) {
channelListener.messageReceived(fwd, source);
delivered = true;
// if the message was accepted by an RPC channel, that channel
// is responsible for returning the reply, otherwise we send an absence reply
if (channelListener instanceof RpcChannel) rx = true;
}
} // for
if ((!rx) && (fwd instanceof RpcMessage)) {
// if we have a message that requires a response,
// but none was given, send back an immediate one
sendNoRpcChannelReply((RpcMessage) fwd, source);
}
if (Logs.MESSAGES.isTraceEnabled()) {
Logs.MESSAGES.trace(
"GroupChannel delivered[" + delivered + "] id:" + new UniqueId(msg.getUniqueId()));
}
} catch (Exception x) {
// this could be the channel listener throwing an exception, we should log it
// as a warning.
if (log.isWarnEnabled()) log.warn(sm.getString("groupChannel.receiving.error"), x);
throw new RemoteProcessException("Exception:" + x.getMessage(), x);
}
}
