在捕获到致命错误时，调用 self.close() 彻底关闭连接

code-server-like/app/__init__.py

@@ -8,36 +8,41 @@ logging.getLogger('eventlet.greenio').setLevel(logging.CRITICAL)
 # 进行猴子补丁操作
 eventlet.monkey_patch()
 
-# 配置 eventlet hub 以更优雅地处理所有错误
+# 配置 eventlet 以更优雅地处理错误，避免疯狂报错
 try:
-    from eventlet import hubs
     import eventlet
     import traceback
     
-    # 只修改存在的属性，避免引用错误
-    if hasattr(hubs, 'trampoline'):
-        # 保存原始的trampoline方法
-        original_trampoline = hubs.trampoline
+    # 1. 首先，禁用 eventlet 的调试日志，减少输出
+    import logging
+    logging.getLogger('eventlet').setLevel(logging.CRITICAL)
+    logging.getLogger('socketio').setLevel(logging.CRITICAL)
+    logging.getLogger('werkzeug').setLevel(logging.CRITICAL)
     
-        def custom_trampoline(fd, read=False, write=False, timeout=None, timeout_exc=None):
-            try:
-                return original_trampoline(fd, read, write, timeout, timeout_exc)
-            except Exception as e:
-                # 捕获 trampoline 方法中所有异常
-                print(f"[Eventlet Trampoline Error] {type(e).__name__}: {e}")
-                print(f"[Params] fd: {fd}, read: {read}, write: {write}, timeout: {timeout}")
-                print("[Traceback]")
-                traceback.print_exc()
-                # 返回 None 继续运行，不往外传播错误
-                return None
+    # 2. 配置 eventlet 只记录严重错误
+    eventlet.debug.hub_prevent_multiple_readers(False)
     
-        # 替换原始方法
-        hubs.trampoline = custom_trampoline
+    # 3. 避免重复打印相同错误的机制
+    seen_errors = set()
+    max_error_logs = 5  # 每个错误最多打印5次
+    error_counts = {}
     
-    # 同样处理 greenio 模块的所有相关方法，捕获所有异常
+    def is_duplicate_error(e):
+        """检查是否为重复错误"""
+        error_key = f"{type(e).__name__}: {e}"
+        if error_key in seen_errors:
+            error_counts[error_key] = error_counts.get(error_key, 0) + 1
+            if error_counts[error_key] > max_error_logs:
+                return True
+        else:
+            seen_errors.add(error_key)
+            error_counts[error_key] = 1
+        return False
+    
+    # 4. 只修改关键的 greenio 方法，确保在致命错误时彻底关闭连接
     from eventlet import greenio
     
-    # 保存并替换原始的 greenio 方法（只修改存在的方法）
+    # 保存并替换原始的 greenio 方法
     if hasattr(greenio.base.GreenSocket, '_recv_loop'):
         original_recv_loop = greenio.base.GreenSocket._recv_loop
         
@@ -45,11 +50,15 @@ try:
             try:
                 return original_recv_loop(self, recv_func, recv_args, *args, **kwargs)
             except Exception as e:
-                # 捕获所有 IO 操作异常
-                print(f"[Eventlet IO Error] _recv_loop: {type(e).__name__}: {e}")
-                print("[Traceback]")
-                traceback.print_exc()
-                # 返回空字节串继续运行
+                if not is_duplicate_error(e):
+                    print(f"[Eventlet IO Error] _recv_loop: {type(e).__name__}: {e}")
+                    print("[Traceback]")
+                    traceback.print_exc()
+                # 彻底关闭连接，不再继续处理
+                try:
+                    self.close()
+                except Exception:
+                    pass
                 return b''
         
         greenio.base.GreenSocket._recv_loop = custom_recv_loop
@@ -61,11 +70,15 @@ try:
             try:
                 return original_recv_into(self, buffer, nbytes, flags)
             except Exception as e:
-                # 捕获所有 IO 操作异常
-                print(f"[Eventlet IO Error] recv_into: {type(e).__name__}: {e}")
-                print("[Traceback]")
-                traceback.print_exc()
-                # 返回 0 继续运行
+                if not is_duplicate_error(e):
+                    print(f"[Eventlet IO Error] recv_into: {type(e).__name__}: {e}")
+                    print("[Traceback]")
+                    traceback.print_exc()
+                # 彻底关闭连接，不再继续处理
+                try:
+                    self.close()
+                except Exception:
+                    pass
                 return 0
         
         greenio.base.GreenSocket.recv_into = custom_recv_into
@@ -77,11 +90,15 @@ try:
             try:
                 return original_send_loop(self, send_func, data, *args, **kwargs)
             except Exception as e:
-                # 捕获所有 IO 操作异常
-                print(f"[Eventlet IO Error] _send_loop: {type(e).__name__}: {e}")
-                print("[Traceback]")
-                traceback.print_exc()
-                # 返回 0 继续运行
+                if not is_duplicate_error(e):
+                    print(f"[Eventlet IO Error] _send_loop: {type(e).__name__}: {e}")
+                    print("[Traceback]")
+                    traceback.print_exc()
+                # 彻底关闭连接，不再继续处理
+                try:
+                    self.close()
+                except Exception:
+                    pass
                 return 0
         
         greenio.base.GreenSocket._send_loop = custom_send_loop
@@ -93,16 +110,20 @@ try:
             try:
                 return original_send(self, data, flags)
             except Exception as e:
-                # 捕获所有 IO 操作异常
-                print(f"[Eventlet IO Error] send: {type(e).__name__}: {e}")
-                print("[Traceback]")
-                traceback.print_exc()
-                # 返回 0 继续运行
+                if not is_duplicate_error(e):
+                    print(f"[Eventlet IO Error] send: {type(e).__name__}: {e}")
+                    print("[Traceback]")
+                    traceback.print_exc()
+                # 彻底关闭连接，不再继续处理
+                try:
+                    self.close()
+                except Exception:
+                    pass
                 return 0
         
         greenio.base.GreenSocket.send = custom_send
     
-    # 处理 WSGI 中的所有错误
+    # 5. 处理 WSGI 中的错误，确保彻底清理
     try:
         import eventlet.wsgi
         
@@ -113,12 +134,14 @@ try:
                 try:
                     return original_wsgi_handle_one_request(self)
                 except Exception as e:
-                    # 捕获 WSGI 请求处理中的所有异常
-                    print(f"[Eventlet WSGI Request Error] {type(e).__name__}: {e}")
-                    print("[Traceback]")
-                    traceback.print_exc()
-                    # 清理连接状态并返回，不往外传播错误
+                    if not is_duplicate_error(e):
+                        print(f"[Eventlet WSGI Request Error] {type(e).__name__}: {e}")
+                        print("[Traceback]")
+                        traceback.print_exc()
+                    # 彻底清理连接，不再继续
                     try:
+                        self.rfile.close()
+                        self.wfile.close()
                         self.finish()
                     except Exception:
                         pass
@@ -133,12 +156,14 @@ try:
                 try:
                     return original_wsgi_handle_one_response(self)
                 except Exception as e:
-                    # 捕获 WSGI 响应处理中的所有异常
-                    print(f"[Eventlet WSGI Response Error] {type(e).__name__}: {e}")
-                    print("[Traceback]")
-                    traceback.print_exc()
-                    # 清理连接状态并返回，不往外传播错误
+                    if not is_duplicate_error(e):
+                        print(f"[Eventlet WSGI Response Error] {type(e).__name__}: {e}")
+                        print("[Traceback]")
+                        traceback.print_exc()
+                    # 彻底清理连接，不再继续
                     try:
+                        self.rfile.close()
+                        self.wfile.close()
                         self.finish()
                     except Exception:
                         pass
@@ -149,7 +174,7 @@ try:
         # 如果修改失败，忽略错误
         print(f"[WSGI Patch Error] {e}")
     
-    print("[Eventlet Error Handling] Eventlet errors will be caught and printed, not raised")
+    print("[Eventlet Error Handling] Configured to handle errors gracefully, avoiding duplicate logs")
 except Exception as e:
     # 如果修改失败，打印错误但继续运行
     print(f"[Eventlet Patch Initialization Error] {e}")