THttp2Client.java 文件源码

@Override
public void initChannel(SocketChannel ch) throws Exception {
    final ChannelPipeline p = ch.pipeline();
    final Http2Connection conn = new DefaultHttp2Connection(false);
    final HttpToHttp2ConnectionHandler connHandler = new HttpToHttp2ConnectionHandlerBuilder()
            .connection(conn)
            .frameListener(new DelegatingDecompressorFrameListener(
                    conn,
                    new InboundHttp2ToHttpAdapterBuilder(conn)
                            .maxContentLength(Integer.MAX_VALUE)
                            .propagateSettings(true).build()))
            .build();

    clientHandler = new THttp2ClientHandler(ch.eventLoop());

    if (sslCtx != null) {
        p.addLast(sslCtx.newHandler(p.channel().alloc()));
        p.addLast(connHandler);
        configureEndOfPipeline(p);
    } else {
        Http1ClientCodec sourceCodec = new Http1ClientCodec();
        HttpClientUpgradeHandler upgradeHandler = new HttpClientUpgradeHandler(
                sourceCodec, new Http2ClientUpgradeCodec(connHandler), 65536);

        p.addLast(sourceCodec, upgradeHandler, new UpgradeRequestHandler());
    }
}