private int outboundBufSize() {
final int bufSize;
final ChannelHandlerContext ctx = directOutboundContext();
if (ctx.hasOutboundByteBuffer()) {
bufSize = ctx.outboundByteBuffer().readableBytes();
} else {
bufSize = ctx.outboundMessageBuffer().size();
}
return bufSize;
}
@Override
public final void flushNow() {
if (inFlushNow || flushTaskInProgress != null) {
return;
}
inFlushNow = true;
ChannelHandlerContext ctx = directOutboundContext();
Throwable cause = null;
try {
if (ctx.hasOutboundByteBuffer()) {
ByteBuf out = ctx.outboundByteBuffer();
int oldSize = out.readableBytes();
try {
doFlushByteBuffer(out);
} catch (Throwable t) {
cause = t;
} finally {
final int newSize = out.readableBytes();
final int writtenBytes = oldSize - newSize;
if (writtenBytes > 0) {
flushFutureNotifier.increaseWriteCounter(writtenBytes);
if (newSize == 0) {
out.discardReadBytes();
}
}
}
} else {
MessageBuf<Object> out = ctx.outboundMessageBuffer();
int oldSize = out.size();
try {
doFlushMessageBuffer(out);
} catch (Throwable t) {
cause = t;
} finally {
flushFutureNotifier.increaseWriteCounter(oldSize - out.size());
}
}
if (cause == null) {
flushFutureNotifier.notifyFlushFutures();
} else {
flushFutureNotifier.notifyFlushFutures(cause);
if (cause instanceof IOException) {
close(voidFuture());
}
}
} finally {
inFlushNow = false;
}
}
@Override
public void freeOutboundBuffer(ChannelHandlerContext ctx) {
ctx.outboundMessageBuffer().free();
}
