protected synchronized void deliverInternal(ChannelImpl channel, Message[] msgs) {
if (isLocal()) {
// local clients must have a listener
ArrayList<Message> list = new ArrayList<Message>();
for (int i = 0; msgs != null && i < msgs.length; i++) {
// dont deliver to ourselves
if (this != msgs[i].getClient()) list.add(msgs[i]);
}
if (getListener() != null && list.size() > 0) {
getListener().deliver(list.toArray(new Message[0]));
}
} else {
for (int i = 0; msgs != null && i < msgs.length; i++) {
MessageImpl message = (MessageImpl) msgs[i];
if (this == message.getClient()) {
// dont deliver to ourself
continue;
}
// we are not implementing forever responses, if the client is connected
// then we will fire off the message
// first we check to see if we have any existing connections we can piggy back on
CometEvent event = events.poll();
boolean delivered = false;
// TODO TODO - check on thread safety, for writing and for getting last request.
if (event != null) {
synchronized (event) {
RequestBase rq =
(RequestBase) event.getHttpServletRequest().getAttribute(RequestBase.LAST_REQ_ATTR);
if (rq != null) {
Map map = new HashMap();
try {
map.put(Bayeux.CHANNEL_FIELD, message.getChannel().getId());
map.put(Bayeux.DATA_FIELD, message);
JSONObject json = new JSONObject(map);
if (log.isDebugEnabled()) {
log.debug(
"Message instantly delivered to remote client[" + this + "] message:" + json);
}
rq.addToDeliveryQueue(this, json);
// deliver the batch
if (i == (msgs.length - 1)) {
rq.deliver(event, this);
event.close(); // todo, figure out a better way, this means only one message gets
// delivered
removeCometEvent(event); // and delivered instantly
}
delivered = true;
} catch (Exception x) {
log.error(x);
}
}
}
}
if (!delivered) {
if (log.isDebugEnabled()) {
log.debug("Message added to queue for remote client[" + this + "] message:" + message);
}
// queue the message for the next round
messages.add(message);
}
}
}
}
