temp: temporty quic impl

libp2p/transport/quic/config.py

@@ -0,0 +1,51 @@
+"""
+Configuration classes for QUIC transport.
+"""
+
+from dataclasses import (
+    dataclass,
+    field,
+)
+import ssl
+
+
+@dataclass
+class QUICTransportConfig:
+    """Configuration for QUIC transport."""
+
+    # Connection settings
+    idle_timeout: float = 30.0  # Connection idle timeout in seconds
+    max_datagram_size: int = 1200  # Maximum UDP datagram size
+    local_port: int | None = None  # Local port for binding (None = random)
+
+    # Protocol version support
+    enable_draft29: bool = True  # Enable QUIC draft-29 for compatibility
+    enable_v1: bool = True  # Enable QUIC v1 (RFC 9000)
+
+    # TLS settings
+    verify_mode: ssl.VerifyMode = ssl.CERT_REQUIRED
+    alpn_protocols: list[str] = field(default_factory=lambda: ["libp2p"])
+
+    # Performance settings
+    max_concurrent_streams: int = 1000  # Maximum concurrent streams per connection
+    connection_window: int = 1024 * 1024  # Connection flow control window
+    stream_window: int = 64 * 1024  # Stream flow control window
+
+    # Logging and debugging
+    enable_qlog: bool = False  # Enable QUIC logging
+    qlog_dir: str | None = None  # Directory for QUIC logs
+
+    # Connection management
+    max_connections: int = 1000  # Maximum number of connections
+    connection_timeout: float = 10.0  # Connection establishment timeout
+
+    def __post_init__(self):
+        """Validate configuration after initialization."""
+        if not (self.enable_draft29 or self.enable_v1):
+            raise ValueError("At least one QUIC version must be enabled")
+
+        if self.idle_timeout <= 0:
+            raise ValueError("Idle timeout must be positive")
+
+        if self.max_datagram_size < 1200:
+            raise ValueError("Max datagram size must be at least 1200 bytes")