protected synchronized void startFlusher(final Address new_coord) {
if (flusher == null || !flusher.isAlive()) {
if (log.isTraceEnabled()) log.trace(local_addr + ": flushing started");
// causes subsequent message sends (broadcasts and forwards) to block
// (https://issues.jboss.org/browse/JGRP-1495)
flushing = true;
flusher = new Flusher(new_coord);
flusher.setName("Flusher");
flusher.start();
}
}
public void enqueue(Frame frame, WriteCallback callback, BatchMode batchMode) {
if (closed.get()) {
notifyCallbackFailure(callback, new EOFException("Connection has been closed locally"));
return;
}
if (flusher.isFailed()) {
notifyCallbackFailure(callback, failure);
return;
}
FrameEntry entry = new FrameEntry(frame, callback, batchMode);
synchronized (lock) {
switch (frame.getOpCode()) {
case OpCode.PING:
{
// Prepend PINGs so they are processed first.
queue.add(0, entry);
break;
}
case OpCode.CLOSE:
{
// There may be a chance that other frames are
// added after this close frame, but we will
// fail them later to keep it simple here.
closed.set(true);
queue.add(entry);
break;
}
default:
{
queue.add(entry);
break;
}
}
}
if (LOG.isDebugEnabled()) {
LOG.debug("{} queued {}", this, entry);
}
flusher.iterate();
}
public void close() {
if (closed.compareAndSet(false, true)) {
LOG.debug("{} closing {}", this);
EOFException eof = new EOFException("Connection has been closed locally");
flusher.failed(eof);
// Fail also queued entries.
List<FrameEntry> entries = new ArrayList<>();
synchronized (lock) {
entries.addAll(queue);
queue.clear();
}
// Notify outside sync block.
for (FrameEntry entry : entries) {
notifyCallbackFailure(entry.callback, eof);
}
}
}
/** Flushes resources associated with this TextureData by calling Flusher.flush(). */
public void flush() {
if (flusher != null) {
flusher.flush();
flusher = null;
}
}
