private void clearWriteRequestQueue(S session) {
WriteRequestQueue writeRequestQueue = session.getWriteRequestQueue();
WriteRequest req;
List<WriteRequest> failedRequests = new ArrayList<WriteRequest>();
if ((req = writeRequestQueue.poll(session)) != null) {
Object message = req.getMessage();
if (message instanceof IoBuffer) {
IoBuffer buf = (IoBuffer) message;
// The first unwritten empty buffer must be
// forwarded to the filter chain.
if (buf.hasRemaining()) {
buf.reset();
failedRequests.add(req);
} else {
IoFilterChain filterChain = session.getFilterChain();
filterChain.fireMessageSent(req);
}
} else {
failedRequests.add(req);
}
// Discard others.
while ((req = writeRequestQueue.poll(session)) != null) {
failedRequests.add(req);
}
}
// Create an exception and notify.
if (!failedRequests.isEmpty()) {
WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
for (WriteRequest r : failedRequests) {
session.decreaseScheduledBytesAndMessages(r);
r.getFuture().setException(cause);
}
IoFilterChain filterChain = session.getFilterChain();
filterChain.fireExceptionCaught(cause);
}
}
private void fireMessageSent(S session, WriteRequest req) {
session.setCurrentWriteRequest(null);
IoFilterChain filterChain = session.getFilterChain();
filterChain.fireMessageSent(req);
}
