netty Architecture Docs
Home / Function/ channelRead0() — netty Function Reference

channelRead0() — netty Function Reference

Architecture documentation for the channelRead0() function in SocksServerHandler.java from the netty codebase.

Function java Buffer Search

Entity Profile

Dependency Diagram

graph TD
  0e191940_5264_af6c_15ae_b9ec0daab66a["channelRead0()"]
  60ef178d_6500_8cea_0a49_90bdd5ee27ff["SocksServerHandler"]
  0e191940_5264_af6c_15ae_b9ec0daab66a -->|defined in| 60ef178d_6500_8cea_0a49_90bdd5ee27ff
  style 0e191940_5264_af6c_15ae_b9ec0daab66a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

example/src/main/java/io/netty/example/socksproxy/SocksServerHandler.java lines 44–87

    @Override
    public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) throws Exception {
        switch (socksRequest.version()) {
            case SOCKS4a:
                Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksRequest;
                if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
                    ctx.pipeline().addLast(new SocksServerConnectHandler());
                    ctx.pipeline().remove(this);
                    ctx.fireChannelRead(socksRequest);
                } else {
                    ctx.close();
                }
                break;
            case SOCKS5:
                if (socksRequest instanceof Socks5InitialRequest) {
                    // auth support example
                    //ctx.pipeline().addFirst(new Socks5PasswordAuthRequestDecoder());
                    //ctx.write(new DefaultSocks5AuthMethodResponse(Socks5AuthMethod.PASSWORD));
                    ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                    ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
                } else if (socksRequest instanceof Socks5PasswordAuthRequest) {
                    ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                    ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
                } else if (socksRequest instanceof Socks5PrivateAuthRequest) {
                    ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                    ctx.write(new DefaultSocks5PrivateAuthResponse(Socks5PrivateAuthStatus.SUCCESS));
                } else if (socksRequest instanceof Socks5CommandRequest) {
                    Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksRequest;
                    if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                        ctx.pipeline().addLast(new SocksServerConnectHandler());
                        ctx.pipeline().remove(this);
                        ctx.fireChannelRead(socksRequest);
                    } else {
                        ctx.close();
                    }
                } else {
                    ctx.close();
                }
                break;
            case UNKNOWN:
                ctx.close();
                break;
        }
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does channelRead0() do?
channelRead0() is a function in the netty codebase, defined in example/src/main/java/io/netty/example/socksproxy/SocksServerHandler.java.
Where is channelRead0() defined?
channelRead0() is defined in example/src/main/java/io/netty/example/socksproxy/SocksServerHandler.java at line 44.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free