@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
// Initialize the encoder, decoder, flow controllers, and internal state.
encoder.lifecycleManager(this);
decoder.lifecycleManager(this);
encoder.flowController().channelHandlerContext(ctx);
decoder.flowController().channelHandlerContext(ctx);
byteDecoder = new PrefaceDecoder(ctx);
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
if (byteDecoder != null) {
encoder.flowController().channelHandlerContext(null);
decoder.flowController().channelHandlerContext(null);
byteDecoder.channelInactive(ctx);
super.channelInactive(ctx);
byteDecoder = null;
}
}
@Override
public void flush(ChannelHandlerContext ctx) throws Http2Exception {
// Trigger pending writes in the remote flow controller.
encoder.flowController().writePendingBytes();
try {
super.flush(ctx);
} catch (Throwable t) {
throw new Http2Exception(INTERNAL_ERROR, "Error flushing", t);
}
}