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decode() — netty Function Reference

Architecture documentation for the decode() function in Socks5CommandResponseDecoder.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Dependency Diagram

graph TD
  a718f076_b7bf_6fc3_a00d_26dbaf880859["decode()"]
  b53af1b4_09b5_0fac_55e3_d5fcdb0017dd["Socks5CommandResponseDecoder"]
  a718f076_b7bf_6fc3_a00d_26dbaf880859 -->|defined in| b53af1b4_09b5_0fac_55e3_d5fcdb0017dd
  7a7f9937_ea59_fccf_5203_1c354e63f498["fail()"]
  a718f076_b7bf_6fc3_a00d_26dbaf880859 -->|calls| 7a7f9937_ea59_fccf_5203_1c354e63f498
  style a718f076_b7bf_6fc3_a00d_26dbaf880859 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-socks/src/main/java/io/netty/handler/codec/socksx/v5/Socks5CommandResponseDecoder.java lines 58–92

    @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 Socks5CommandStatus status = Socks5CommandStatus.valueOf(in.readByte());
                in.skipBytes(1); // Reserved
                final Socks5AddressType addrType = Socks5AddressType.valueOf(in.readByte());
                final String addr = addressDecoder.decodeAddress(addrType, in);
                final int port = ByteBufUtil.readUnsignedShortBE(in);

                out.add(new DefaultSocks5CommandResponse(status, addrType, addr, port));
                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/Socks5CommandResponseDecoder.java.
Where is decode() defined?
decode() is defined in codec-socks/src/main/java/io/netty/handler/codec/socksx/v5/Socks5CommandResponseDecoder.java at line 58.
What does decode() call?
decode() calls 1 function(s): fail.

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