从run 中移除了全局try-except块,增强了eventlet内部错误处理

This commit is contained in:
CakeCN
2026-01-07 01:33:25 +08:00
parent 8aa567cdf2
commit 9231c14013
2 changed files with 46 additions and 22 deletions

View File

@@ -11,18 +11,54 @@ eventlet.monkey_patch()
# 配置 eventlet hub 以更优雅地处理 IOClosed 错误 # 配置 eventlet hub 以更优雅地处理 IOClosed 错误
try: try:
from eventlet.hubs import hub from eventlet.hubs import hub
from eventlet import hubs
# 保存原始的 handle_error 方法 # 保存原始的 handle_error 方法
original_handle_error = hub.Hub.handle_error original_handle_error = hub.Hub.handle_error
original_switch = hubs.hub.Hub.switch
def custom_handle_error(self, context, type, value, tb): def custom_handle_error(self, context, type, value, tb):
# 忽略 IOClosed 错误 # 忽略 IOClosed 错误和相关的 EOFError
if type.__name__ == 'IOClosed' and 'Operation on closed file' in str(value): error_str = str(value)
if (type.__name__ == 'IOClosed' and 'Operation on closed file' in error_str) or \
(type.__name__ == 'EOFError') or \
(type.__name__ == 'OSError' and 'Bad file descriptor' in error_str):
return return
# 其他错误调用原始方法 # 其他错误调用原始方法
original_handle_error(self, context, type, value, tb) original_handle_error(self, context, type, value, tb)
def custom_switch(self):
try:
return original_switch(self)
except Exception as e:
# 捕获 switch 方法中可能出现的 IOClosed 错误
error_str = str(e)
if (type(e).__name__ == 'IOClosed' and 'Operation on closed file' in error_str) or \
(type(e).__name__ == 'EOFError') or \
(type(e).__name__ == 'OSError' and 'Bad file descriptor' in error_str):
# 优雅处理,返回继续运行
return None
# 其他异常重新抛出
raise
# 替换原始方法 # 替换原始方法
hub.Hub.handle_error = custom_handle_error hub.Hub.handle_error = custom_handle_error
hubs.hub.Hub.switch = custom_switch
# 同样处理 greenio 模块的错误
from eventlet import greenio
original_recv_loop = greenio.base.GreenSocket._recv_loop
def custom_recv_loop(self, recv_func, recv_args, *args, **kwargs):
try:
return original_recv_loop(self, recv_func, recv_args, *args, **kwargs)
except (hubs.IOClosed, EOFError, OSError) as e:
# 优雅处理 IO 错误
if hasattr(e, 'errno') and e.errno in (9, 107): # Bad file descriptor or Operation on closed file
return b''
raise
greenio.base.GreenSocket._recv_loop = custom_recv_loop
except Exception as e: except Exception as e:
# 如果修改失败,忽略错误 # 如果修改失败,忽略错误
pass pass

View File

@@ -10,23 +10,11 @@ logging.getLogger('werkzeug').setLevel(logging.ERROR)
app = create_app() app = create_app()
if __name__ == '__main__': if __name__ == '__main__':
try: socketio.run(
socketio.run( app,
app, host="0.0.0.0",
host="0.0.0.0", port=5200,
port=5200, debug=False, # 开发期打开
debug=False, # 开发期打开 allow_unsafe_werkzeug=True, # 避免 dev server 的安全限制提示
allow_unsafe_werkzeug=True, # 避免 dev server 的安全限制提示 log_output=False # 禁用详细输出
log_output=False # 禁用详细输出 )
)
except KeyboardInterrupt:
print("Server stopped by user")
except Exception as e:
# 捕获所有异常,包括 eventlet 内部的 IOClosed 错误
if "IOClosed" in str(type(e).__name__) or "Operation on closed file" in str(e):
# 优雅处理 eventlet 关闭文件的错误
print("Eventlet IOClosed error handled gracefully")
else:
# 其他异常仍然打印
import traceback
traceback.print_exc()