decode() — netty Function Reference

Architecture documentation for the decode() function in SocksInitResponseDecoder.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Buffer→ Allocators→ decode() — netty Function Reference

Dependency Diagram

graph TD
  2bb2683e_3759_6db4_35fa_762cc1009f99["decode()"]
  821a7187_3037_96e0_8227_4b74449f43b0["SocksInitResponseDecoder"]
  2bb2683e_3759_6db4_35fa_762cc1009f99 -->|defined in| 821a7187_3037_96e0_8227_4b74449f43b0
  style 2bb2683e_3759_6db4_35fa_762cc1009f99 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-socks/src/main/java/io/netty/handler/codec/socks/SocksInitResponseDecoder.java lines 36–56

    @Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf byteBuf, List<Object> out) throws Exception {
        switch (state()) {
            case CHECK_PROTOCOL_VERSION: {
                if (byteBuf.readByte() != SocksProtocolVersion.SOCKS5.byteValue()) {
                    out.add(SocksCommonUtils.UNKNOWN_SOCKS_RESPONSE);
                    break;
                }
                checkpoint(State.READ_PREFERRED_AUTH_TYPE);
            }
            case READ_PREFERRED_AUTH_TYPE: {
                SocksAuthScheme authScheme = SocksAuthScheme.valueOf(byteBuf.readByte());
                out.add(new SocksInitResponse(authScheme));
                break;
            }
            default: {
                throw new Error("Unexpected response decoder type: " + state());
            }
        }
        ctx.pipeline().remove(this);
    }