223 lines
8.7 KiB
Python
223 lines
8.7 KiB
Python
import eventlet
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from eventlet import greenio
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import logging
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import traceback
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# 获取当前 socketio 实例并配置错误处理
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import sys
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# 配置 eventlet 日志，抑制 IOClosed 等错误日志
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logging.getLogger('eventlet.hubs').setLevel(logging.CRITICAL)
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logging.getLogger('eventlet.greenio').setLevel(logging.CRITICAL)
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# 进行猴子补丁操作
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eventlet.monkey_patch()
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# 配置 eventlet 以更优雅地处理错误，避免疯狂报错
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try:
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# 1. 首先，禁用 eventlet 的调试日志，减少输出
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logging.getLogger('eventlet').setLevel(logging.CRITICAL)
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logging.getLogger('socketio').setLevel(logging.CRITICAL)
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logging.getLogger('werkzeug').setLevel(logging.CRITICAL)
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# 2. 配置 eventlet 相关设置（移除了不存在的debug属性）
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# 3. 避免重复打印相同错误的机制
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seen_errors = set()
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max_error_logs = 5 # 每个错误最多打印5次
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error_counts = {}
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def is_duplicate_error(e):
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"""检查是否为重复错误"""
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error_key = f"{type(e).__name__}: {e}"
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if error_key in seen_errors:
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error_counts[error_key] = error_counts.get(error_key, 0) + 1
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if error_counts[error_key] > max_error_logs:
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return True
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else:
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seen_errors.add(error_key)
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error_counts[error_key] = 1
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return False
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# 4. 只修改关键的 greenio 方法，确保在致命错误时彻底关闭连接
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# 增强 socketio 错误处理，确保不会因为单个连接错误而宕机
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try:
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original_excepthook = sys.excepthook
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def custom_excepthook(exc_type, exc_value, exc_traceback):
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"""全局异常钩子，捕获所有未处理的异常"""
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if exc_type.__name__ in ['OSError', 'IOError'] and 'Bad file descriptor' in str(exc_value):
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# 处理 Bad file descriptor 错误，不导致服务器宕机
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if not is_duplicate_error(exc_value):
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print(f"[Global Error Handler] {exc_type.__name__}: {exc_value}")
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print("[Traceback]")
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traceback.print_exception(exc_type, exc_value, exc_traceback)
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# 不调用原始的 excepthook，防止服务器宕机
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return
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# 其他异常调用原始的 excepthook
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original_excepthook(exc_type, exc_value, exc_traceback)
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# 设置全局异常钩子
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sys.excepthook = custom_excepthook
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except Exception as e:
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# 如果修改失败，忽略错误
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print(f"[Global Excepthook Patch Error] {e}")
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# 保存并替换原始的 greenio 方法
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if hasattr(greenio.base.GreenSocket, '_recv_loop'):
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original_recv_loop = greenio.base.GreenSocket._recv_loop
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def custom_recv_loop(self, recv_func, recv_args, *args, **kwargs):
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try:
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return original_recv_loop(self, recv_func, recv_args, *args, **kwargs)
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except Exception as e:
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if not is_duplicate_error(e):
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print(f"[Eventlet IO Error] _recv_loop: {type(e).__name__}: {e}")
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print("[Traceback]")
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traceback.print_exc()
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# 彻底关闭连接，不再继续处理
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try:
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self.close()
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except Exception:
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pass
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return b''
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greenio.base.GreenSocket._recv_loop = custom_recv_loop
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if hasattr(greenio.base.GreenSocket, 'recv_into'):
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original_recv_into = greenio.base.GreenSocket.recv_into
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def custom_recv_into(self, buffer, nbytes=0, flags=0):
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try:
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return original_recv_into(self, buffer, nbytes, flags)
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except Exception as e:
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if not is_duplicate_error(e):
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print(f"[Eventlet IO Error] recv_into: {type(e).__name__}: {e}")
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print("[Traceback]")
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traceback.print_exc()
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# 彻底关闭连接，不再继续处理
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try:
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self.close()
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except Exception:
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pass
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return 0
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greenio.base.GreenSocket.recv_into = custom_recv_into
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if hasattr(greenio.base.GreenSocket, '_send_loop'):
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original_send_loop = greenio.base.GreenSocket._send_loop
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def custom_send_loop(self, send_func, data, *args, **kwargs):
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try:
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return original_send_loop(self, send_func, data, *args, **kwargs)
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except Exception as e:
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if not is_duplicate_error(e):
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print(f"[Eventlet IO Error] _send_loop: {type(e).__name__}: {e}")
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print("[Traceback]")
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traceback.print_exc()
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# 彻底关闭连接，不再继续处理
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try:
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self.close()
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except Exception:
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pass
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return 0
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greenio.base.GreenSocket._send_loop = custom_send_loop
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if hasattr(greenio.base.GreenSocket, 'send'):
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original_send = greenio.base.GreenSocket.send
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def custom_send(self, data, flags=0):
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try:
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return original_send(self, data, flags)
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except Exception as e:
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if not is_duplicate_error(e):
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print(f"[Eventlet IO Error] send: {type(e).__name__}: {e}")
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print("[Traceback]")
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traceback.print_exc()
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# 彻底关闭连接，不再继续处理
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try:
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self.close()
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except Exception:
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pass
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return 0
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greenio.base.GreenSocket.send = custom_send
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# 5. 处理 WSGI 中的错误，确保彻底清理
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try:
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import eventlet.wsgi
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if hasattr(eventlet.wsgi.HttpProtocol, 'handle_one_request'):
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original_wsgi_handle_one_request = eventlet.wsgi.HttpProtocol.handle_one_request
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def custom_wsgi_handle_one_request(self):
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try:
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return original_wsgi_handle_one_request(self)
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except Exception as e:
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if not is_duplicate_error(e):
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print(f"[Eventlet WSGI Request Error] {type(e).__name__}: {e}")
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print("[Traceback]")
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traceback.print_exc()
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# 彻底清理连接，不再继续
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try:
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self.rfile.close()
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self.wfile.close()
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self.finish()
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except Exception:
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pass
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return
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eventlet.wsgi.HttpProtocol.handle_one_request = custom_wsgi_handle_one_request
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if hasattr(eventlet.wsgi.HttpProtocol, 'handle_one_response'):
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original_wsgi_handle_one_response = eventlet.wsgi.HttpProtocol.handle_one_response
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def custom_wsgi_handle_one_response(self):
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try:
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return original_wsgi_handle_one_response(self)
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except Exception as e:
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if not is_duplicate_error(e):
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print(f"[Eventlet WSGI Response Error] {type(e).__name__}: {e}")
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print("[Traceback]")
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traceback.print_exc()
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# 彻底清理连接，不再继续
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try:
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self.rfile.close()
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self.wfile.close()
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self.finish()
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except Exception:
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pass
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return
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eventlet.wsgi.HttpProtocol.handle_one_response = custom_wsgi_handle_one_response
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except Exception as e:
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# 如果修改失败，忽略错误
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print(f"[WSGI Patch Error] {e}")
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print("[Eventlet Error Handling] Configured to handle errors gracefully, avoiding duplicate logs")
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except Exception as e:
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# 如果修改失败，打印错误但继续运行
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print(f"[Eventlet Patch Initialization Error] {e}")
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traceback.print_exc()
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from flask import Flask
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from .views.routes import main_bp
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from .views.file import file_bp
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from .config import Config
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from .extensions import init_extensions,register_namespaces
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def create_app():
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app = Flask(__name__, template_folder="../templates", static_folder="../static",static_url_path="/vsc-like/static")
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app.config.from_object(Config)
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@app.route('/')
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def hello():
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return 'Hello, World!'
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# 注册蓝图
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app.register_blueprint(main_bp)
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app.register_blueprint(file_bp)
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# 初始化SocketIO
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init_extensions(app)
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register_namespaces(app)
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return app
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