// 构造对应的pipeline
bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
public ChannelPipeline getPipeline() throws Exception {
ChannelPipeline pipelines = Channels.pipeline();
pipelines.addLast(FixedHeaderFrameDecoder.class.getName(), new FixedHeaderFrameDecoder());
pipelines.addLast(HandshakeInitializationHandler.class.getName(), new HandshakeInitializationHandler());
pipelines.addLast(ClientAuthenticationHandler.class.getName(),
new ClientAuthenticationHandler(embededServer));
pipelines.addLast(SessionHandler.class.getName(), new SessionHandler(embededServer));
return pipelines;