@Override
public void disconnect(String scaleDownNodeID, final boolean criticalError) {
Channel channel0 = getChannel(ChannelImpl.CHANNEL_ID.PING.id, -1);
// And we remove all channels from the connection, this ensures no more packets will be
// processed after this
// method is
// complete
Set<Channel> allChannels = new HashSet<>(channels.values());
if (!criticalError) {
removeAllChannels();
} else {
// We can't hold a lock if a critical error is happening...
// as other threads will be holding the lock while hanging on IO
channels.clear();
}
// Now we are 100% sure that no more packets will be processed we can flush then send the
// disconnect
if (!criticalError) {
for (Channel channel : allChannels) {
channel.flushConfirmations();
}
}
Packet disconnect;
if (channel0.supports(PacketImpl.DISCONNECT_V2)) {
disconnect = new DisconnectMessage_V2(nodeID, scaleDownNodeID);
} else {
disconnect = new DisconnectMessage(nodeID);
}
channel0.sendAndFlush(disconnect);
}
private void handleCreateSession(final CreateSessionMessage request) {
boolean incompatibleVersion = false;
Packet response;
try {
Version version = server.getVersion();
if (!version.isCompatible(request.getVersion())) {
throw ActiveMQMessageBundle.BUNDLE.incompatibleClientServer();
}
if (!server.isStarted()) {
throw ActiveMQMessageBundle.BUNDLE.serverNotStarted();
}
// XXX HORNETQ-720 Taylor commented out this test. Should be verified.
/*if (!server.checkActivate())
{
throw new ActiveMQException(ActiveMQException.SESSION_CREATION_REJECTED,
"Server will not accept create session requests");
}*/
if (connection.getClientVersion() == 0) {
connection.setClientVersion(request.getVersion());
} else if (connection.getClientVersion() != request.getVersion()) {
ActiveMQServerLogger.LOGGER.incompatibleVersionAfterConnect(
request.getVersion(), connection.getClientVersion());
}
Channel channel =
connection.getChannel(request.getSessionChannelID(), request.getWindowSize());
ActiveMQPrincipal activeMQPrincipal = null;
if (request.getUsername() == null) {
activeMQPrincipal = connection.getDefaultActiveMQPrincipal();
}
ServerSession session =
server.createSession(
request.getName(),
activeMQPrincipal == null ? request.getUsername() : activeMQPrincipal.getUserName(),
activeMQPrincipal == null ? request.getPassword() : activeMQPrincipal.getPassword(),
request.getMinLargeMessageSize(),
connection,
request.isAutoCommitSends(),
request.isAutoCommitAcks(),
request.isPreAcknowledge(),
request.isXA(),
request.getDefaultAddress(),
new CoreSessionCallback(request.getName(), protocolManager, channel, connection),
true);
ServerSessionPacketHandler handler =
new ServerSessionPacketHandler(session, server.getStorageManager(), channel);
channel.setHandler(handler);
// TODO - where is this removed?
protocolManager.addSessionHandler(request.getName(), handler);
response = new CreateSessionResponseMessage(server.getVersion().getIncrementingVersion());
} catch (ActiveMQException e) {
if (e.getType() == ActiveMQExceptionType.INCOMPATIBLE_CLIENT_SERVER_VERSIONS) {
incompatibleVersion = true;
logger.debug("Sending ActiveMQException after Incompatible client", e);
} else {
ActiveMQServerLogger.LOGGER.failedToCreateSession(e);
}
response = new ActiveMQExceptionMessage(e);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.failedToCreateSession(e);
response = new ActiveMQExceptionMessage(new ActiveMQInternalErrorException());
}
// send the exception to the client and destroy
// the connection if the client and server versions
// are not compatible
if (incompatibleVersion) {
channel1.sendAndFlush(response);
} else {
channel1.send(response);
}
}