feat: add ancillary data support

compio-rs / compio

A thread-per-core Rust runtime with IOCP/io_uring/polling.

MIT License

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Closed AsakuraMizu closed 3 months ago

AsakuraMizu commented 3 months ago

This PR added support for control messages, or rather ancillary data.

compio-driver: new opcode RecvMsg and SendMsg
compio-net:
- Add CMsgIter and CMsgBuilder helper to deal with control message
- Add recv_msg, send_msg and vectored variant on Socket
- Add set_socket_option on Socket
Add corresponding unit tests