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SpdyOrHttpHandler Class — netty Architecture

Architecture documentation for the SpdyOrHttpHandler class in SpdyOrHttpHandler.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  358d8f69_4752_847f_9b3c_ad349643d236["SpdyOrHttpHandler"]
  151039f5_e264_1045_1493_8fe59c605955["SpdyOrHttpHandler.java"]
  358d8f69_4752_847f_9b3c_ad349643d236 -->|defined in| 151039f5_e264_1045_1493_8fe59c605955
  77066375_79a8_6fcb_8f4c_73350b3b4cbe["SpdyOrHttpHandler()"]
  358d8f69_4752_847f_9b3c_ad349643d236 -->|method| 77066375_79a8_6fcb_8f4c_73350b3b4cbe
  bbd1c066_2618_996a_57b4_0aaae86691da["configurePipeline()"]
  358d8f69_4752_847f_9b3c_ad349643d236 -->|method| bbd1c066_2618_996a_57b4_0aaae86691da
  cf8c2885_2362_85c5_fcbf_aaae849b17d4["configureSpdy()"]
  358d8f69_4752_847f_9b3c_ad349643d236 -->|method| cf8c2885_2362_85c5_fcbf_aaae849b17d4
  bff4ba6a_a3f7_fa3c_a3c3_43fa883aceb8["configureHttp1()"]
  358d8f69_4752_847f_9b3c_ad349643d236 -->|method| bff4ba6a_a3f7_fa3c_a3c3_43fa883aceb8

Relationship Graph

Source Code

example/src/main/java/io/netty/example/spdy/server/SpdyOrHttpHandler.java lines 35–74

public class SpdyOrHttpHandler extends ApplicationProtocolNegotiationHandler {

    private static final int MAX_CONTENT_LENGTH = 1024 * 100;

    protected SpdyOrHttpHandler() {
        super(ApplicationProtocolNames.HTTP_1_1);
    }

    @Override
    protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
        if (ApplicationProtocolNames.SPDY_3_1.equals(protocol)) {
            configureSpdy(ctx, SpdyVersion.SPDY_3_1);
            return;
        }

        if (ApplicationProtocolNames.HTTP_1_1.equals(protocol)) {
            configureHttp1(ctx);
            return;
        }

        throw new IllegalStateException("unknown protocol: " + protocol);
    }

    private static void configureSpdy(ChannelHandlerContext ctx, SpdyVersion version) throws Exception {
        ChannelPipeline p = ctx.pipeline();
        p.addLast(new SpdyFrameCodec(version));
        p.addLast(new SpdySessionHandler(version, true));
        p.addLast(new SpdyHttpEncoder(version));
        p.addLast(new SpdyHttpDecoder(version, MAX_CONTENT_LENGTH));
        p.addLast(new SpdyHttpResponseStreamIdHandler());
        p.addLast(new SpdyServerHandler());
    }

    private static void configureHttp1(ChannelHandlerContext ctx) throws Exception {
        ChannelPipeline p = ctx.pipeline();
        p.addLast(new HttpServerCodec());
        p.addLast(new HttpObjectAggregator(MAX_CONTENT_LENGTH));
        p.addLast(new SpdyServerHandler());
    }
}

Defined In

Source

Frequently Asked Questions

What is the SpdyOrHttpHandler class?
SpdyOrHttpHandler is a class in the netty codebase, defined in example/src/main/java/io/netty/example/spdy/server/SpdyOrHttpHandler.java.
Where is SpdyOrHttpHandler defined?
SpdyOrHttpHandler is defined in example/src/main/java/io/netty/example/spdy/server/SpdyOrHttpHandler.java at line 35.

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