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fix: make scheduler lock port configurable with automatic fallback #333

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fix: make scheduler lock port configurable with automatic fallback #333

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14 changes: 13 additions & 1 deletion reflect/scheduler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,22 @@

# 端口锁：防止重复启动，bind失败时agentmain会直接崩溃退出
# reload时mod.__dict__保留_lock，跳过重复绑定
# 端口可通过 SCHEDULER_LOCK_PORT 环境变量配置，默认 45762
# Windows 动态端口范围可能占用 45762，此时自动尝试备选端口
try: _lock
except NameError:
_lock = _socket.socket(_socket.AF_INET, _socket.SOCK_STREAM)
_lock.bind(('127.0.0.1', 45762)); _lock.listen(1)
_lock.setsockopt(_socket.SOL_SOCKET, _socket.SO_REUSEADDR, 1)
_base_port = int(os.environ.get('SCHEDULER_LOCK_PORT', 45762))
_bound = False
for _port in range(_base_port, _base_port + 10):
try:
_lock.bind(('127.0.0.1', _port)); _lock.listen(1)
_bound = True; break
except OSError:
continue
if not _bound:
raise RuntimeError(f'scheduler: cannot bind lock port in range {_base_port}-{_base_port+9}')

INTERVAL = 120
ONCE = False
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