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HexDumpProxyBackendHandler Class — netty Architecture

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

Class java

Entity Profile

Dependency Diagram

graph TD
  2a51dc91_841b_333a_8075_dff2cd8c2da7["HexDumpProxyBackendHandler"]
  c5df0cdc_b9ab_63b1_8268_c9ba9663c37e["HexDumpProxyBackendHandler.java"]
  2a51dc91_841b_333a_8075_dff2cd8c2da7 -->|defined in| c5df0cdc_b9ab_63b1_8268_c9ba9663c37e
  e0e73a54_58f4_f570_6b42_d3e78f950e56["HexDumpProxyBackendHandler()"]
  2a51dc91_841b_333a_8075_dff2cd8c2da7 -->|method| e0e73a54_58f4_f570_6b42_d3e78f950e56
  1a0072cf_de94_da47_13c6_1fee03b74bab["channelActive()"]
  2a51dc91_841b_333a_8075_dff2cd8c2da7 -->|method| 1a0072cf_de94_da47_13c6_1fee03b74bab
  18e2d099_5d38_7c1f_2c9a_f340122a6278["channelRead()"]
  2a51dc91_841b_333a_8075_dff2cd8c2da7 -->|method| 18e2d099_5d38_7c1f_2c9a_f340122a6278
  563cf629_acbe_b5ee_1551_940beeead7bc["channelInactive()"]
  2a51dc91_841b_333a_8075_dff2cd8c2da7 -->|method| 563cf629_acbe_b5ee_1551_940beeead7bc
  f3f0840d_bfe0_1df2_513f_801eb1ddadb9["exceptionCaught()"]
  2a51dc91_841b_333a_8075_dff2cd8c2da7 -->|method| f3f0840d_bfe0_1df2_513f_801eb1ddadb9

Relationship Graph

Source Code

example/src/main/java/io/netty/example/proxy/HexDumpProxyBackendHandler.java lines 22–60

public class HexDumpProxyBackendHandler extends ChannelInboundHandlerAdapter {

    private final Channel inboundChannel;

    public HexDumpProxyBackendHandler(Channel inboundChannel) {
        this.inboundChannel = inboundChannel;
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        if (!inboundChannel.isActive()) {
            HexDumpProxyFrontendHandler.closeOnFlush(ctx.channel());
        } else {
            ctx.read();
        }
    }

    @Override
    public void channelRead(final ChannelHandlerContext ctx, Object msg) {
        inboundChannel.writeAndFlush(msg).addListener(future -> {
            if (future.isSuccess()) {
                ctx.read();
            } else {
                ctx.close();
            }
        });
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) {
        HexDumpProxyFrontendHandler.closeOnFlush(inboundChannel);
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        HexDumpProxyFrontendHandler.closeOnFlush(ctx.channel());
    }
}

Defined In

Source

Frequently Asked Questions

What is the HexDumpProxyBackendHandler class?
HexDumpProxyBackendHandler is a class in the netty codebase, defined in example/src/main/java/io/netty/example/proxy/HexDumpProxyBackendHandler.java.
Where is HexDumpProxyBackendHandler defined?
HexDumpProxyBackendHandler is defined in example/src/main/java/io/netty/example/proxy/HexDumpProxyBackendHandler.java at line 22.

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