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Binary Protocol C++ Example

A minimal, professional, byte-level binary protocol implementation in C++.

Features

Fixed-layout wire format (24 bytes)
Explicit endianness, alignment, and validation
XOR checksum for payload integrity

Usage

make test — run unit tests
make visual — see byte-level visualization

Wire Format

[2] msg_type | [2] msg_len | [2] checksum | [8] order_id | [4] price | [4] quantity | [1] side | [1] padding

Files

protocol.h — protocol layout & constants
codec.h/cpp — encode/decode logic
endian.h — endian helpers
visualizer.* — byte-level visualization
tests.cpp — tests & demo