protected void decode(ChannelHandlerContext context, ByteBuf buffer) throws Exception {
ChannelPipeline pipeline = context.pipeline();
if (detectSsl && SslHandler.isEncrypted(buffer)) {
SSLEngine engine = SSL_SERVER_CONTEXT.getValue().createSSLEngine();
engine.setUseClientMode(false);
pipeline.addLast(
new SslHandler(engine),
new ChunkedWriteHandler(),
new PortUnificationServerHandler(delegatingHttpRequestHandler, false, detectGzip));
} else {
int magic1 = buffer.getUnsignedByte(buffer.readerIndex());
int magic2 = buffer.getUnsignedByte(buffer.readerIndex() + 1);
if (detectGzip && magic1 == 31 && magic2 == 139) {
pipeline.addLast(
new JZlibEncoder(ZlibWrapper.GZIP),
new JdkZlibDecoder(ZlibWrapper.GZIP),
new PortUnificationServerHandler(delegatingHttpRequestHandler, detectSsl, false));
} else if (isHttp(magic1, magic2)) {
NettyUtil.initHttpHandlers(pipeline);
pipeline.addLast(delegatingHttpRequestHandler);
if (BuiltInServer.LOG.isDebugEnabled()) {
pipeline.addLast(
new ChannelOutboundHandlerAdapter() {
@Override
public void write(
ChannelHandlerContext context, Object message, ChannelPromise promise)
throws Exception {
if (message instanceof HttpResponse) {
// BuiltInServer.LOG.debug("OUT HTTP:\n" + message);
HttpResponse response = (HttpResponse) message;
BuiltInServer.LOG.debug(
"OUT HTTP: "
+ response.getStatus().code()
+ " "
+ response.headers().get("Content-type"));
}
super.write(context, message, promise);
}
});
}
} else if (magic1 == 'C' && magic2 == 'H') {
buffer.skipBytes(2);
pipeline.addLast(new CustomHandlerDelegator());
} else {
BuiltInServer.LOG.warn("unknown request, first two bytes " + magic1 + " " + magic2);
context.close();
}
}
// must be after new channels handlers addition (netty bug?)
ensureThatExceptionHandlerIsLast(pipeline);
pipeline.remove(this);
context.fireChannelRead(buffer);
}
@NotNull
public static BuiltInServer start(
@NotNull EventLoopGroup eventLoopGroup,
boolean isEventLoopGroupOwner,
int firstPort,
int portsCount,
boolean tryAnyPort,
@Nullable NotNullProducer<ChannelHandler> handler)
throws Exception {
ChannelRegistrar channelRegistrar = new ChannelRegistrar();
ServerBootstrap bootstrap = NettyUtil.nioServerBootstrap(eventLoopGroup);
configureChildHandler(bootstrap, channelRegistrar, handler);
int port = bind(firstPort, portsCount, tryAnyPort, bootstrap, channelRegistrar);
return new BuiltInServer(eventLoopGroup, port, channelRegistrar, isEventLoopGroupOwner);
}