config.py 2.7 KB

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  1. from __future__ import annotations
  2. import json
  3. from dataclasses import dataclass
  4. from pathlib import Path
  5. from typing import Literal
  6. Strategy = Literal["broadcast", "top2", "top3", "top4", "backup"]
  7. KernelMode = Literal["auto", "20", "24"]
  8. @dataclass
  9. class RelayNode:
  10. name: str
  11. host: str
  12. port: int
  13. token: str
  14. weight: int = 100
  15. @dataclass
  16. class Config:
  17. relays: list[RelayNode]
  18. strategy: Strategy = "top3"
  19. kernel_mode: KernelMode = "auto"
  20. redundancy: int = 3
  21. tcp_warmup_bytes: int = 1048576
  22. probe_interval: float = 15.0
  23. tcp_loser_grace_ms: int = 1500
  24. direct_open_timeout: float = 10.0
  25. relay_open_timeout: float = 10.0
  26. tcp_connect_happy_eyeballs_delay: float | None = None
  27. relay_reconnect_delay: float = 3.0
  28. relay_reconnect_attempts: int = 5
  29. relay_reconnect_max_delay: float = 30.0
  30. relay_ping_interval: float = 10.0
  31. relay_ping_timeout: float = 25.0
  32. relay_tcp_nodelay: bool = True
  33. direct_redundancy: int = 2
  34. direct_redundancy_v4: int | None = None
  35. direct_redundancy_v6: int | None = None
  36. direct_max_redundancy: int = 3
  37. @classmethod
  38. def load(cls, path: str) -> "Config":
  39. raw = json.loads(Path(path).read_text())
  40. relays = [RelayNode(**item) for item in raw.get("relays", [])]
  41. return cls(
  42. relays=relays,
  43. strategy=raw.get("strategy", "top3"),
  44. kernel_mode=raw.get("kernel_mode", "auto"),
  45. redundancy=raw.get("redundancy", 3),
  46. tcp_warmup_bytes=raw.get("tcp_warmup_bytes", 1048576),
  47. probe_interval=raw.get("probe_interval", 15.0),
  48. tcp_loser_grace_ms=raw.get("tcp_loser_grace_ms", 1500),
  49. direct_open_timeout=raw.get("direct_open_timeout", 10.0),
  50. relay_open_timeout=raw.get("relay_open_timeout", 10.0),
  51. tcp_connect_happy_eyeballs_delay=raw.get("tcp_connect_happy_eyeballs_delay"),
  52. relay_reconnect_delay=raw.get("relay_reconnect_delay", 3.0),
  53. relay_reconnect_attempts=max(1, raw.get("relay_reconnect_attempts", 5)),
  54. relay_reconnect_max_delay=max(raw.get("relay_reconnect_delay", 3.0), raw.get("relay_reconnect_max_delay", 30.0)),
  55. relay_ping_interval=max(1.0, raw.get("relay_ping_interval", 10.0)),
  56. relay_ping_timeout=max(1.0, raw.get("relay_ping_timeout", 25.0)),
  57. relay_tcp_nodelay=raw.get("relay_tcp_nodelay", True),
  58. direct_redundancy=max(1, raw.get("direct_redundancy", 2)),
  59. direct_redundancy_v4=raw.get("direct_redundancy_v4"),
  60. direct_redundancy_v6=raw.get("direct_redundancy_v6"),
  61. direct_max_redundancy=max(1, raw.get("direct_max_redundancy", 3)),
  62. )