@Override
public void handlerRemoved0(ChannelHandlerContext ctx) throws Exception {
if (!pendingUnencryptedWrites.isEmpty()) {
// Check if queue is not empty first because create a new ChannelException is expensive
pendingUnencryptedWrites.removeAndFailAll(
new ChannelException("Pending write on removal of SslHandler"));
}
}
@Override
public void flush(ChannelHandlerContext ctx) throws Exception {
// Do not encrypt the first write request if this handler is
// created with startTLS flag turned on.
if (startTls && !sentFirstMessage) {
sentFirstMessage = true;
pendingUnencryptedWrites.removeAndWriteAll();
ctx.flush();
return;
}
if (pendingUnencryptedWrites.isEmpty()) {
// It's important to NOT use a voidPromise here as the user
// may want to add a ChannelFutureListener to the ChannelPromise later.
//
// See https://github.com/netty/netty/issues/3364
pendingUnencryptedWrites.add(Unpooled.EMPTY_BUFFER, ctx.newPromise());
}
if (!handshakePromise.isDone()) {
flushedBeforeHandshake = true;
}
wrap(ctx, false);
ctx.flush();
}