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decode() — netty Function Reference

Architecture documentation for the decode() function in Socks5InitialResponseDecoder.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Dependency Diagram

graph TD
  97560ce2_ac38_2b11_972d_9e85668ceeae["decode()"]
  3875fc9f_0b12_49d8_83a3_c89642f3f7ef["Socks5InitialResponseDecoder"]
  97560ce2_ac38_2b11_972d_9e85668ceeae -->|defined in| 3875fc9f_0b12_49d8_83a3_c89642f3f7ef
  60c48342_fab0_ff78_a4a7_1c54183a06e1["fail()"]
  97560ce2_ac38_2b11_972d_9e85668ceeae -->|calls| 60c48342_fab0_ff78_a4a7_1c54183a06e1
  style 97560ce2_ac38_2b11_972d_9e85668ceeae fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-socks/src/main/java/io/netty/handler/codec/socksx/v5/Socks5InitialResponseDecoder.java lines 49–79

    @Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
        try {
            switch (state()) {
            case INIT: {
                final byte version = in.readByte();
                if (version != SocksVersion.SOCKS5.byteValue()) {
                    throw new DecoderException(
                            "unsupported version: " + version + " (expected: " + SocksVersion.SOCKS5.byteValue() + ')');
                }

                final Socks5AuthMethod authMethod = Socks5AuthMethod.valueOf(in.readByte());
                out.add(new DefaultSocks5InitialResponse(authMethod));
                checkpoint(State.SUCCESS);
            }
            case SUCCESS: {
                int readableBytes = actualReadableBytes();
                if (readableBytes > 0) {
                    out.add(in.readRetainedSlice(readableBytes));
                }
                break;
            }
            case FAILURE: {
                in.skipBytes(actualReadableBytes());
                break;
            }
            }
        } catch (Exception e) {
            fail(out, e);
        }
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does decode() do?
decode() is a function in the netty codebase, defined in codec-socks/src/main/java/io/netty/handler/codec/socksx/v5/Socks5InitialResponseDecoder.java.
Where is decode() defined?
decode() is defined in codec-socks/src/main/java/io/netty/handler/codec/socksx/v5/Socks5InitialResponseDecoder.java at line 49.
What does decode() call?
decode() calls 1 function(s): fail.

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