aioquic でハンドシェイクのみ

01-README.md

aioquic でハンドシェイクのみ

uv init
uv add aioquic
uv run python client.py

02-client.py

import asyncio
import ssl
from aioquic.asyncio import connect, QuicConnectionProtocol
from aioquic.quic.configuration import QuicConfiguration

HOST = "localhost"
PORT = 4433

class HandshakeOnly(QuicConnectionProtocol):
    # 何も処理しない（HTTP/3の受信uni streamが来ても握りつぶす）
    def quic_event_received(self, event) -> None:
        return

async def main() -> None:
    cfg = QuicConfiguration(
        is_client=True,
        alpn_protocols=["h3"],
    )
    cfg.verify_mode = ssl.CERT_NONE

    async with connect(
        HOST,
        PORT,
        configuration=cfg,
        create_protocol=HandshakeOnly,
        wait_connected=True,
    ) as proto:
        # ここに来た時点でハンドシェイク成功
        proto._quic.close(error_code=0x0, reason_phrase="bye")
        await asyncio.sleep(0.05)  # close を送る猶予

if __name__ == "__main__":
    asyncio.run(main())