protected boolean success() {
HttpExchange exchange = connection.getExchange();
if (exchange == null) return false;
AtomicMarkableReference<Result> completion = exchange.responseComplete(null);
if (!completion.isMarked()) return false;
parser.reset();
decoder = null;
if (!updateState(State.RECEIVE, State.IDLE)) throw new IllegalStateException();
exchange.terminateResponse();
HttpResponse response = exchange.getResponse();
List<Response.ResponseListener> listeners = exchange.getConversation().getResponseListeners();
ResponseNotifier notifier = connection.getDestination().getResponseNotifier();
notifier.notifySuccess(listeners, response);
LOG.debug("Received {}", response);
Result result = completion.getReference();
if (result != null) {
connection.complete(exchange, !result.isFailed());
notifier.notifyComplete(listeners, result);
}
return true;
}
protected boolean fail(Throwable failure) {
HttpExchange exchange = connection.getExchange();
// In case of a response error, the failure has already been notified
// and it is possible that a further attempt to read in the receive
// loop throws an exception that reenters here but without exchange;
// or, the server could just have timed out the connection.
if (exchange == null) return false;
AtomicMarkableReference<Result> completion = exchange.responseComplete(failure);
if (!completion.isMarked()) return false;
parser.close();
decoder = null;
while (true) {
State current = state.get();
if (updateState(current, State.FAILURE)) break;
}
exchange.terminateResponse();
HttpResponse response = exchange.getResponse();
HttpConversation conversation = exchange.getConversation();
ResponseNotifier notifier = connection.getDestination().getResponseNotifier();
notifier.notifyFailure(conversation.getResponseListeners(), response, failure);
LOG.debug("Failed {} {}", response, failure);
Result result = completion.getReference();
if (result != null) {
connection.complete(exchange, false);
notifier.notifyComplete(conversation.getResponseListeners(), result);
}
return true;
}