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Fix WebTransport server implementation and add test client

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Server fixes:
- Move H3Connection initialization to ProtocolNegotiated event (matches official aioquic pattern)
- Fix datagram routing to use session_id instead of flow_id
- Add max_datagram_frame_size=65536 to enable QUIC datagrams
- Fix send_datagram() to use keyword arguments
- Add certificate chain handling for Let's Encrypt
- Add no-cache headers to static server

Command-line improvements:
- Move settings from environment variables to argparse
- Add comprehensive CLI arguments with defaults
- Default mode=wt, cert=cert.pem, key=key.pem

Test clients:
- Add test_webtransport_client.py - Python WebTransport client that successfully connects
- Add test_http3.py - Basic HTTP/3 connectivity test

Client updates:
- Auto-configure server URL and certificate hash from /cert-hash.json
- Add ES6 module support

Status:
✅ Python WebTransport client works perfectly
✅ Server properly handles WebTransport connections and datagrams
❌ Chrome fails due to cached QUIC state (QUIC_IETF_GQUIC_ERROR_MISSING)
🔍 Firefox sends packets but fails differently - to be debugged next session

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Vladyslav Doloman
2025-10-19 23:50:08 +00:00
parent ed5cb14b30
commit 1de5a8f3e6
9 changed files with 890 additions and 147 deletions
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7
client/index.html
View File

@@ -15,16 +15,15 @@
</head>
<body>
<div id="ui">
<label>Server URL (WebTransport): <input id="url" value="https://localhost:4433/"/></label>
<label>SHA-256 Cert Hash (hex, optional for self-signed): <input id="hash" placeholder="e.g., aabbcc..."/></label>
<label>Server URL (WebTransport): <input id="url" value="https://localhost:4433/" placeholder="Auto-configured..."/></label>
<label>Certificate Hash (SHA-256, auto-configured): <input id="hash" placeholder="Auto-configured from server..."/></label>
<label>Name: <input id="name" value="guest"/></label>
<button id="connect">Connect</button>
<span id="status"></span>
</div>
<div id="overlay">press space to join</div>
<canvas id="view"></canvas>
<script src="protocol.js"></script>
<script src="client.js"></script>
<script type="module" src="client.js"></script>
</body>
</html>