@Override
public void subscribe(Subscriber<? super Object> s) {
if (log.isDebugEnabled()) {
log.debug(
"Subscribing inbound receiver [pending: "
+ ""
+ inboundEmitter.getPending()
+ ", done: "
+ inboundEmitter.done
+ "]");
}
if (inboundEmitter.actual == null) {
if (inboundEmitter.done) {
if (inboundEmitter.error != null) {
Operators.error(s, inboundEmitter.error);
return;
} else if (inboundEmitter.getPending() == 0) {
Operators.complete(s);
return;
}
}
inboundEmitter.init(s);
s.onSubscribe(inboundEmitter);
} else {
Operators.error(
s, new IllegalStateException("Only one connection receive subscriber allowed."));
}
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
try {
inboundEmitter.complete();
super.channelInactive(ctx);
} catch (Throwable err) {
Exceptions.throwIfFatal(err);
inboundEmitter.fail(err);
}
}
@SuppressWarnings("unchecked")
protected final void doRead(Object msg) {
if (msg == null) {
return;
}
try {
if (msg == Unpooled.EMPTY_BUFFER || msg instanceof EmptyByteBuf) {
return;
}
inboundEmitter.next(msg);
} catch (Throwable err) {
Exceptions.throwIfFatal(err);
inboundEmitter.fail(err);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable err) throws Exception {
Exceptions.throwIfFatal(err);
inboundEmitter.fail(err);
}