/**
* Called to indicate that the last write has been performed. It updates the state and performs
* cleanup operations.
*/
void closed() {
while (true) {
OutputState state = _state.get();
switch (state) {
case CLOSED:
{
return;
}
case UNREADY:
{
if (_state.compareAndSet(state, OutputState.ERROR))
_writeListener.onError(
_onError == null ? new EofException("Async closed") : _onError);
break;
}
default:
{
if (!_state.compareAndSet(state, OutputState.CLOSED)) break;
try {
_channel.getResponse().closeOutput();
} catch (Throwable x) {
if (LOG.isDebugEnabled()) LOG.debug(x);
abort(x);
} finally {
releaseBuffer();
}
// Return even if an exception is thrown by closeOutput().
return;
}
}
}
}
/* Called to indicated that the output is already closed and the state needs to be updated to match */
void closed() {
State state = _state.get();
while (state != State.CLOSED) {
if (_state.compareAndSet(state, State.CLOSED)) {
try {
_channel.getResponse().closeOutput();
} catch (IOException e) {
LOG.debug(e);
_channel.failed();
}
releaseBuffer();
return;
}
state = _state.get();
}
}
@Override
public void close() {
State state = _state.get();
while (state != State.CLOSED) {
if (_state.compareAndSet(state, State.CLOSED)) {
try {
if (BufferUtil.hasContent(_aggregate))
_channel.write(_aggregate, !_channel.getResponse().isIncluding());
else _channel.write(BufferUtil.EMPTY_BUFFER, !_channel.getResponse().isIncluding());
} catch (IOException e) {
LOG.debug(e);
_channel.failed();
}
releaseBuffer();
return;
}
state = _state.get();
}
}
@Override
public void close() {
while (true) {
OutputState state = _state.get();
switch (state) {
case CLOSED:
{
return;
}
case ASYNC:
case UNREADY:
case PENDING:
{
if (!_state.compareAndSet(state, OutputState.CLOSED)) break;
IOException ex = new IOException("Closed while Pending/Unready");
LOG.warn(ex.toString());
LOG.debug(ex);
_channel.abort(ex);
}
default:
{
if (!_state.compareAndSet(state, OutputState.CLOSED)) break;
try {
write(
BufferUtil.hasContent(_aggregate) ? _aggregate : BufferUtil.EMPTY_BUFFER,
!_channel.getResponse().isIncluding());
} catch (IOException x) {
// Ignore it, it's been already logged in write().
} finally {
releaseBuffer();
}
// Return even if an exception is thrown by write().
return;
}
}
}
}