no caddy reload

Html/apps/extension_ase/ase_client/client.py

@@ -39,9 +39,12 @@ class ASEngineClient:
         # 连接事件
         @self.sio.on('connect', namespace=self.namespace)
         def on_connect():
+            print("---------------ASEngineClient on_connect----------------")
+            self.sid = self.sio.sid
+            print(f"Connected to server with sid: {self.sid}")
+
             self.connected = True
-            self.sid = self.sio.get_sid(namespace=self.namespace)
-            print(f"Connected to server. SID: {self.sid}")
+            self.sio.emit('join', {'id': self.id}, namespace=self.namespace)
             if self._on_connect_callback is not None:
                 self._on_connect_callback(
                     self,

Html/apps/extensions.py

@@ -14,7 +14,7 @@ from typing import Optional
 mongo = PyMongo()
 
 
-socketio = SocketIO(cors_allowed_origins="*",max_payload_size=52428800, async_mode="eventlet")   # 不直接传 app
+socketio = SocketIO(cors_allowed_origins="*",max_payload_size=52428800, async_mode="eventlet",always_connect=False)   # 不直接传 app
 cors = CORS()
 # ===== 你的全局对象 =====
 # Backboard
@@ -38,7 +38,7 @@ def init_extensions(app):
         cors_allowed_origins='*',#app.config["VSCODE_WEB_URL"],
         ping_timeout=app.config["SOCKETIO_PING_TIMEOUT"],
         ping_interval=app.config["SOCKETIO_PING_INTERVAL"],
-        max_payload_size=50000000, async_mode="eventlet"
+        max_payload_size=50000000, async_mode="eventlet",always_connect=False
     )
     cors.init_app(
         app,

Html/apps/services/asectrl_service.py

@@ -1,6 +1,4 @@
 import requests
-from flask_socketio import Namespace
-
 
 def clear_user_session(asengine_url, asengine_token, user_id):
     '''
@@ -28,9 +26,12 @@ def on_connect_to_ase(client, entry, init_data, **kwargs):
     '''
     此时刚刚建立好aseclient连接，并向前端发送打开code-server-like指令。
     '''
-    namespace_entry, ase_client = entry
+    namespace_entry, ase_client, logger = entry
+    logger.info(f"on_connect_to_ase with init_data: {init_data}")
     namespace_entry.emit('open-iframe',"", room=init_data['room'], namespace='/agent')
     namespace_entry.emit('message', "Agents服务已连接, 加载教案中", room=init_data['room'], namespace='/agent')
+    namespace_entry.emit('message', f'{init_data}', room=init_data['room'], namespace='/agent')
+    
         
     restart = init_data.get("restart", False)
     # 不再需要手动next_chapter，因为已经在on_login中根据mongo进度恢复了正确的章节

Html/apps/services/course_services/learning_progess_process.py

@@ -93,7 +93,6 @@ def get_multiagents_dialog_list(user_id: str) -> List[Dict]:
         
         # 检查响应
         if response.status_code == 200:
-            current_app.logger.info(f"获取MultiAgents对话列表成功: user_id={user_id}, json={response.json()}")
             return response.json()
         else:
             current_app.logger.error(f"获取MultiAgents对话列表失败: HTTP {response.status_code}")

Html/apps/sockets/namespaces.py

@@ -63,6 +63,12 @@ class VSCodeNamespace(Namespace):
 
 
 class AgentNamespace(Namespace):
+    def __init__(self, namespace):
+        super().__init__(namespace)
+        # 使用字典存储每个用户的chatmanager和ase_client，避免多用户冲突
+        self.user_chatmanagers = {}
+        self.user_ase_clients = {}
+            
     def _load_learning_progress(self, chatmanager, user_id, course_id, chapter_name, lesson_name, continue_learn):
         """加载并恢复用户学习进度
         
@@ -120,8 +126,8 @@ class AgentNamespace(Namespace):
         chapter_name = data['chapter_name']
         user_id = uuid2username[user_uuid]
         session['user_uuid'] = user_uuid
-        join_room(user_uuid, namespace='/agent')  # 将该用户加入以user_id为名的room
         print(f'User connected with session user_uuid: {user_uuid}')
+        join_room(user_uuid)
 
         user_uuid2chatmanager = ex["user_uuid2chatmanager"]
         user_uuid2ase_client = ex["user_uuid2ase_client"]
@@ -152,8 +158,9 @@ class AgentNamespace(Namespace):
         if chatmanager.chat_historys:
             emit('messages', chatmanager.chat_historys, room=user_uuid, namespace='/agent')
         
-        self.chatmanager = chatmanager
-        self.ase_client = user_uuid2ase_client[user_uuid]
+        # 存储每个用户的chatmanager和ase_client到字典中，使用用户UUID作为键
+        self.user_chatmanagers[user_uuid] = chatmanager
+        self.user_ase_clients[user_uuid] = user_uuid2ase_client[user_uuid]
         
         # 将restart设置为False，避免后续重复处理
         restart = chatmanager.restart
@@ -161,7 +168,7 @@ class AgentNamespace(Namespace):
         
         user_uuid2ase_client[user_uuid].register_on_connect_entry(
             callback=on_connect_to_ase,
-            entry=(self, user_uuid2ase_client[user_uuid]),
+            entry=(self, user_uuid2ase_client[user_uuid], current_app.logger),
             init_data={'room':user_uuid, 'restart':restart}
         )
         user_uuid2ase_client[user_uuid].register_route_with_entry(

Html/apps/static/js/chatbox.js

@@ -66,31 +66,29 @@ function cleanupExpiredApprovals() {
 // 定时清理过期记录
 setInterval(cleanupExpiredApprovals, 3000); // 每3秒检查一次
 document.addEventListener('DOMContentLoaded', function () {
-    data = window.appData;
+    user_data = window.appData;
     const host = window.location.host;
     console.log(`Connecting to WebSocket server at wss://${host}/agent`);
     socket = io(`wss://${host}/agent`, {
         query: {
-            user_uuid: data.user_uuid,
-            folder: data.folder
+            user_uuid: user_data.user_uuid,
+            folder: user_data.folder
         }
     });
-
     // 初始化聊天消息管理器
     chatManager = new ChatMessageManager();
-
     socket.on('connect', function () {
-        console.log('Connected to server');
-        socket.emit('login',JSON.stringify(data));
+        console.log('Connected to WebSocket server'+socket.id+"with user"+JSON.stringify(user_data));
+        socket.emit('login',JSON.stringify(user_data));
     });
-    socket.on('open-iframe', function(data) {
-        OpenIframe();        
+    socket.on('open-iframe', function() {
+        OpenIframe(user_data);        
     });
     // 监听来自服务器的消息
     socket.on('voiceMessage', function (data) {
         console.log(data);
         const input =  document.getElementById('messageInput');
-        input.value += data;
+        input.value = data;
     });
     socket.on('message', function (data) {
         // 显示服务器的回复消息 - 单个消息

Html/apps/templates/code-like-desktop.html

@@ -208,7 +208,7 @@
             console.error('Error fetching session:', error);
         });
         let lastiframe = null;
-        function OpenIframe(){
+        function OpenIframe(data){
             // 等待1s再加载
             setTimeout(() => {
                 // 在成功获取 session 后创建并插入 iframe

Html/apps/templates/desktop.html

@@ -187,7 +187,7 @@
 
     
     let lastIframe = null;
-    function OpenIframe(){
+    function OpenIframe(data){
             // 在成功获取 session 后创建并插入 iframe
             const iframe = document.createElement('iframe');
             const div=document.getElementById('vscodeWeb')

Html/apps/views/vscode.py

@@ -91,38 +91,6 @@ def desktop(user_uuid, course_id, chapter_name, lesson_name):
     
 
 
-    caddy_conf = f"""
-        handle_path /vsc{user_id}/* {{
-            reverse_proxy localhost:{code_server_port}
-        }}
-    """
-    caddy_config_path = "/etc/caddy/Caddyfile"
-    with open(caddy_config_path, "r") as f:
-        lines = f.readlines()
-    pattern = re.compile(
-        r'handle_path\s+/vsc' + re.escape(user_id) + r'/\* {.*?reverse_proxy.*?}', 
-        re.DOTALL 
-    )
-    for i in range(len(lines)):
-        if (lines[i].strip()==''): lines[i]=''
-    content = "".join(lines)
-    if pattern.search(content):
-        new_content = pattern.sub('', content)
-        lines = new_content.splitlines(keepends=True)
-    if len(lines) >= 2:
-        insert_position = len(lines) - 2
-    else:
-        insert_position = len(lines)
-    if caddy_conf[-1] not in ['\n', '\r']:
-        caddy_conf += '\n'
-    lines.insert(insert_position, caddy_conf)
-    with open(caddy_config_path, "w") as f:
-        f.writelines(lines)
-
-    try:
-        subprocess.run(["sudo", "caddy", "reload", "--config", "/etc/caddy/Caddyfile"])
-    except subprocess.CalledProcessError as e:
-        print(f"Error reload caddy {e}")
 
     cfg = current_app.config["VSCODE_WEB_PATH"]
     path_for_vscode = path_dir

code-server-like/app/__init__.py

@@ -8,24 +8,201 @@ 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 IOClosed 错误
+# 配置 eventlet 以更优雅地处理错误，避免疯狂报错
 try:
-    from eventlet.hubs import hub
-    # 保存原始的 handle_error 方法
-    original_handle_error = hub.Hub.handle_error
+    import eventlet
+    import traceback
     
-    def custom_handle_error(self, context, type, value, tb):
-        # 忽略 IOClosed 错误
-        if type.__name__ == 'IOClosed' and 'Operation on closed file' in str(value):
+    # 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)
+    
+    # 2. 配置 eventlet 相关设置（移除了不存在的debug属性）
+    
+    # 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 = {}
+    
+    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
+    # 增强 socketio 错误处理，确保不会因为单个连接错误而宕机
+    try:
+        from flask_socketio import SocketIO
+        # 获取当前 socketio 实例并配置错误处理
+        import sys
+        original_excepthook = sys.excepthook
+        
+        def custom_excepthook(exc_type, exc_value, exc_traceback):
+            """全局异常钩子，捕获所有未处理的异常"""
+            if exc_type.__name__ in ['OSError', 'IOError'] and 'Bad file descriptor' in str(exc_value):
+                # 处理 Bad file descriptor 错误，不导致服务器宕机
+                if not is_duplicate_error(exc_value):
+                    print(f"[Global Error Handler] {exc_type.__name__}: {exc_value}")
+                    print("[Traceback]")
+                    traceback.print_exception(exc_type, exc_value, exc_traceback)
+                # 不调用原始的 excepthook，防止服务器宕机
                 return
-        # 其他错误调用原始方法
-        original_handle_error(self, context, type, value, tb)
+            # 其他异常调用原始的 excepthook
+            original_excepthook(exc_type, exc_value, exc_traceback)
         
-    # 替换原始方法
-    hub.Hub.handle_error = custom_handle_error
+        # 设置全局异常钩子
+        sys.excepthook = custom_excepthook
     except Exception as e:
         # 如果修改失败，忽略错误
+        print(f"[Global Excepthook Patch Error] {e}")
+    from eventlet import greenio
+    
+    # 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
+        
+        def custom_recv_loop(self, recv_func, recv_args, *args, **kwargs):
+            try:
+                return original_recv_loop(self, recv_func, recv_args, *args, **kwargs)
+            except Exception as e:
+                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
+    
+    if hasattr(greenio.base.GreenSocket, 'recv_into'):
+        original_recv_into = greenio.base.GreenSocket.recv_into
+        
+        def custom_recv_into(self, buffer, nbytes=0, flags=0):
+            try:
+                return original_recv_into(self, buffer, nbytes, flags)
+            except Exception as e:
+                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
+    
+    if hasattr(greenio.base.GreenSocket, '_send_loop'):
+        original_send_loop = greenio.base.GreenSocket._send_loop
+        
+        def custom_send_loop(self, send_func, data, *args, **kwargs):
+            try:
+                return original_send_loop(self, send_func, data, *args, **kwargs)
+            except Exception as e:
+                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
+    
+    if hasattr(greenio.base.GreenSocket, 'send'):
+        original_send = greenio.base.GreenSocket.send
+        
+        def custom_send(self, data, flags=0):
+            try:
+                return original_send(self, data, flags)
+            except Exception as e:
+                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
+    
+    # 5. 处理 WSGI 中的错误，确保彻底清理
+    try:
+        import eventlet.wsgi
+        
+        if hasattr(eventlet.wsgi.HttpProtocol, 'handle_one_request'):
+            original_wsgi_handle_one_request = eventlet.wsgi.HttpProtocol.handle_one_request
+            
+            def custom_wsgi_handle_one_request(self):
+                try:
+                    return original_wsgi_handle_one_request(self)
+                except Exception as e:
+                    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
+                    return
+            
+            eventlet.wsgi.HttpProtocol.handle_one_request = custom_wsgi_handle_one_request
+        
+        if hasattr(eventlet.wsgi.HttpProtocol, 'handle_one_response'):
+            original_wsgi_handle_one_response = eventlet.wsgi.HttpProtocol.handle_one_response
+            
+            def custom_wsgi_handle_one_response(self):
+                try:
+                    return original_wsgi_handle_one_response(self)
+                except Exception as e:
+                    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
+                    return
+            
+            eventlet.wsgi.HttpProtocol.handle_one_response = custom_wsgi_handle_one_response
+    except Exception as e:
+        # 如果修改失败，忽略错误
+        print(f"[WSGI Patch Error] {e}")
+    
+    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}")
+    traceback.print_exc()
 
 from flask import Flask
 from .views.routes import main_bp

code-server-like/app/extensions.py

@@ -3,12 +3,12 @@ from flask_socketio import SocketIO
 from .config import Config
 # 初始化扩展
 cors = CORS()
-socketio = SocketIO(path='vsc-like-ws',cors_allowed_origins="*",max_payload_size=5242880, async_mode="eventlet")   # 不直接传 app
+socketio = SocketIO(path='vsc-like-ws',cors_allowed_origins="*",max_payload_size=5242880, async_mode="eventlet",always_connect=False)   # 不直接传 app
 
 session_paths = {}
 def init_extensions(app):
     cors.init_app(app, resources={r"/*": {"origins": "*"}}, supports_credentials=True)
-    socketio.init_app(app, cors_allowed_origins="*", max_payload_size=5242880, async_mode="eventlet")
+    socketio.init_app(app, cors_allowed_origins="*", max_payload_size=5242880, async_mode="eventlet",always_connect=False)
     app.extensions["session_paths"] = session_paths
 
 def register_namespaces(app):

code-server-like/app/sockets/terminal_service.py

@@ -42,26 +42,36 @@ def read_and_forward_pty_output(fd=None, pid=None, room_id=None,namespace=None):
     read data on pty master from the pty slave, and emit to the web terminal visitor
     """
     max_read_bytes = 1024 * 20
-    timeout=0.1
+    # 初始超时时间设置为较短值，确保响应迅速
+    timeout = 0.05
+    # 最大超时时间，避免太频繁的检查
+    max_timeout = 0.5
+    # 成功读取数据后的重置超时时间
+    reset_timeout = 0.05
+    
     try:
         while True:
+            # 等待一段时间，减少CPU占用
             socketio.sleep(timeout)
-            timeout=min(timeout*2, 0.4)
-            # using flask default web server, or uwsgi production web server
-            # when the child process is terminated, it will not disappear from linux process list
-            # and keep staying as a zombie process until the parent exits.
+            
+            # 使用指数退避算法调整超时时间，但不超过最大值
+            timeout = min(timeout * 1.5, max_timeout)
+            
+            # 检查子进程状态
             try:
                 child_process = psutil.Process(pid)
-            except psutil.NoSuchProcess as err:
-                # Process already terminated, clean up any zombie
+            except psutil.NoSuchProcess:
+                # 进程已终止，清理僵尸进程
                 try:
                     os.waitpid(pid, os.WNOHANG)
                 except Exception:
                     pass
                 return
+            
+            # 检查进程状态，如果不是运行或睡眠状态，则退出
             if child_process.status() not in ('running', 'sleeping'):
-                # Process is terminated or in other state, clean up
                 try:
+                    # 等待进程终止
                     child_process.wait(timeout=1)
                 except Exception:
                     try:
@@ -69,39 +79,43 @@ def read_and_forward_pty_output(fd=None, pid=None, room_id=None,namespace=None):
                     except Exception:
                         pass
                 return
+            
+            # 如果文件描述符有效，尝试读取数据
             if fd:
-                timeout_sec = 0
                 try:
-                    # Check if file descriptor is still valid by trying to select on it
-                    (data_ready, _, _) = select.select([fd], [], [], timeout_sec)
+                    # 使用非阻塞select检查是否有数据可读
+                    (data_ready, _, _) = select.select([fd], [], [], 0)
                     if data_ready:
-                        timeout=0.1
+                        # 有数据可读，重置超时时间
+                        timeout = reset_timeout
                         try:
+                            # 读取数据
                             output = os.read(fd, max_read_bytes).decode()
-                        except (OSError, IOError, EOFError) as err:
-                            # File descriptor closed or other IO error, exit gracefully
+                        except (OSError, IOError, EOFError):
+                            # 文件描述符已关闭或其他IO错误，优雅退出
                             return
                         except UnicodeDecodeError as err:
-                            output = """
+                            # 处理编码错误
+                            output = f"""
                             ***AQUI WEB TERM ERR***
-                            Unicode decode error: {}
+                            Unicode decode error: {err}
                             ***********************
-                            """.format(err)
-                        # the key for different visitor to get different terminal (instead of mixing up)
-                        # is to let the background task push pty response to each one's own (default) ROOM!
+                            """
+                        
+                        # 发送数据到客户端
                         try:
                             namespace.emit("pty_output", {"output": output}, room=room_id)
                         except Exception:
-                            # If emit fails, the client is probably disconnected, exit
+                            # 如果发送失败，客户端可能已断开连接，退出
                             return
-                except (OSError, IOError) as err:
-                    # File descriptor closed or invalid, exit gracefully
+                except (OSError, IOError):
+                    # 文件描述符无效，优雅退出
                     return
     except Exception as e:
-        # Catch any other unexpected exceptions to prevent server crash
-        pass
+        # 捕获任何其他未预期的异常，防止服务器崩溃
+        current_app.logger.error(f"Unexpected error in read_and_forward_pty_output: {e}")
     finally:
-        # Clean up file descriptor if it's open
+        # 清理文件描述符
         if fd:
             try:
                 os.close(fd)
@@ -111,10 +125,26 @@ def read_and_forward_pty_output(fd=None, pid=None, room_id=None,namespace=None):
 class VSCLikeNameSpace(Namespace):
     def on_connect(self):
         """new client connected"""
-        if session.get('terminal_config', {}).get('child_pid', None):
-            print(session['terminal_config']['child_pid'])
-            # already started child process, don't start another
+        # 确保terminal_config存在于session中
+        if 'terminal_config' not in session:
+            session['terminal_config'] = TERM_INIT_CONFIG.copy()
+            session.modified = True
+        
+        terminal_config = session['terminal_config']
+        
+        # 检查是否已经有运行中的子进程
+        if terminal_config.get('child_pid'):
+            try:
+                # 验证进程是否真的存在
+                child_process = psutil.Process(terminal_config['child_pid'])
+                if child_process.status() in ('running', 'sleeping'):
+                    current_app.logger.debug("Already running child process: {}".format(terminal_config['child_pid']))
                     return
+            except psutil.NoSuchProcess:
+                # 进程不存在，清理配置
+                terminal_config.pop('child_pid', None)
+                terminal_config.pop('fd', None)
+                session.modified = True
 
         # create child process attached to a pty we can read from and write to
         (child_pid, fd) = pty.fork()
@@ -123,91 +153,171 @@ class VSCLikeNameSpace(Namespace):
             # this is the child process fork.
             # anything printed here will show up in the pty, including the output
             # of this subprocess
-            # subprocess.run('bash')
-            term_type = session.get('terminal_config').get('term_type')
+            try:
+                # 获取终端配置
+                terminal_config = session.get('terminal_config', {})
+                term_type = terminal_config.get('term_type')
+                
+                if not term_type:
+                    print("Terminal type not specified, exit")
+                    os._exit(1)
+                
                 path = TERM_INIT_CONFIG.get('client_path', {}).get(term_type, None)
-            if not path:
-                print("Can't locate {} binary, exit".format(term_type))
-                disconnect()
+                if not path or not os.path.exists(path):
+                    print("Can't locate {} binary at {}, exit".format(term_type, path))
+                    os._exit(1)
+                
+                # 获取连接参数
+                username = terminal_config.get('username')
+                domain = terminal_config.get('domain', TERM_INIT_CONFIG['domain'])
+                port = terminal_config.get('port')
+                
+                if not username or not domain:
+                    print("Missing required connection parameters, exit")
+                    os._exit(1)
+                
                 if term_type == 'telnet':
-                # switch to the right location of your telnet binary (example comes from OSX which got telnet from brew)
-                # or you can also make work like auto-detection, or manually but configurable
-                os.execl(path, 'telnet', '-l', session['terminal_config']['username'],
-                        session['terminal_config']['domain'], '{}'.format(session['terminal_config']['port']))
+                    # 使用telnet连接
+                    if not port:
+                        print("Port not specified for telnet, exit")
+                        os._exit(1)
+                    os.execl(path, 'telnet', '-l', username, domain, str(port))
                 elif term_type == 'ssh':
-                os.execl(path,'ssh', '-p','22',
-                        #'{}'.format(session['terminal_config']['port']),
-                        '{}@{}'.format(session['terminal_config']['username'], session['terminal_config']['domain']))
-                        
-
+                    # 使用ssh连接
+                    ssh_port = port if port else 22  # 默认端口22
+                    os.execl(path, 'ssh', '-p', str(ssh_port), '{}@{}'.format(username, domain))
                 else:
-                current_app.logger.debug("wrong term type {}".format(term_type))
-                disconnect()
-                session['terminal_config'] = TERM_INIT_CONFIG
+                    print("Wrong term type {}, exit".format(term_type))
+                    os._exit(1)
+            except Exception as e:
+                print("Error in child process: {}", str(e))
+                os._exit(1)
         else:
-            session['terminal_config']['fd'] = fd
-            session['terminal_config']['child_pid'] = child_pid
-            session['terminal_config']['room_id'] = rooms()[0]
+            # 更新会话配置
+            terminal_config['fd'] = fd
+            terminal_config['child_pid'] = child_pid
+            terminal_config['room_id'] = rooms()[0]
             session.modified = True
+            
+            # 设置初始窗口大小
             set_winsize(fd, 50, 50)
+            
+            # 记录日志
             current_app.logger.debug("child pid = {}".format(child_pid))
             current_app.logger.debug("rooms of this session = {}".format(rooms()))
+            
+            # 启动后台任务读取pty输出
             socketio.start_background_task(read_and_forward_pty_output, fd, child_pid, rooms()[0], self)
             current_app.logger.debug("background task running")
-            # print(session)
 
     def on_pty_input(self, data):
         """write to the child pty, which now is the ssh process from this machine to the 'domain' configured
     """
-        print(f"get data {data}")
-        try:
-            child_process = psutil.Process(session.get('terminal_config').get('child_pid'))
-        except psutil.NoSuchProcess as err:
-            disconnect()
-            session['terminal_config'] = TERM_INIT_CONFIG
+        # 输入验证
+        if not isinstance(data, dict):
+            current_app.logger.error("Invalid input format: expected dictionary")
             return
+        
+        input_data = data.get("input")
+        if not isinstance(input_data, str):
+            current_app.logger.error("Invalid input data: expected string")
+            return
+        
+        # 限制输入长度，防止缓冲区溢出
+        if len(input_data) > 1024:
+            input_data = input_data[:1024]
+            current_app.logger.warning("Input truncated due to length")
+        
+        try:
+            terminal_config = session.get('terminal_config', {})
+            child_pid = terminal_config.get('child_pid')
+            if not child_pid:
+                current_app.logger.error("No child process found")
+                return
+            
+            child_process = psutil.Process(child_pid)
             if child_process.status() not in ('running', 'sleeping'):
-            disconnect()
-            session['terminal_config'] = TERM_INIT_CONFIG
+                current_app.logger.debug("Child process not running, cleaning up")
+                terminal_config.pop('child_pid', None)
+                terminal_config.pop('fd', None)
+                session.modified = True
                 return
-        # print(session)
-        # print(data, 'from input')
-        fd = session.get('terminal_config').get('fd')
+            
+            fd = terminal_config.get('fd')
             if fd:
-            # print("writing to ptd: %s" % data["input"])
-            # os.write(fd, data["input"].encode('ascii'))
                 try:
-                os.write(fd, data["input"].encode())
-            except (OSError, IOError):
+                    os.write(fd, input_data.encode())
+                except (OSError, IOError) as e:
                     # File descriptor closed or invalid, clean up
-                disconnect()
-                session['terminal_config'] = TERM_INIT_CONFIG
-                return
+                    current_app.logger.debug(f"Error writing to file descriptor: {e}")
+                    terminal_config.pop('child_pid', None)
+                    terminal_config.pop('fd', None)
+                    session.modified = True
+        except psutil.NoSuchProcess:
+            # Process no longer exists, clean up
+            terminal_config = session.get('terminal_config', {})
+            terminal_config.pop('child_pid', None)
+            terminal_config.pop('fd', None)
+            session.modified = True
+        except Exception as e:
+            current_app.logger.error(f"Error in pty_input handling: {e}")
 
     
     def on_resize(self, data):
+        # 输入验证
+        if not isinstance(data, dict):
+            current_app.logger.error("Invalid resize data format: expected dictionary")
+            return
+        
+        rows = data.get("rows")
+        cols = data.get("cols")
+        
+        # 验证行和列的值是否为正整数
+        if not (isinstance(rows, int) and isinstance(cols, int)):
+            current_app.logger.error("Invalid resize dimensions: expected integers")
+            return
+        
+        # 限制窗口大小范围，防止异常值
+        if rows <= 0 or rows > 1000 or cols <= 0 or cols > 1000:
+            current_app.logger.error(f"Invalid resize dimensions: {rows}x{cols} (out of range)")
+            return
+        
         try:
-            child_process = psutil.Process(session.get('terminal_config').get('child_pid'))
-        except psutil.NoSuchProcess as err:
-            disconnect()
-            session['terminal_config'] = TERM_INIT_CONFIG
+            terminal_config = session.get('terminal_config', {})
+            child_pid = terminal_config.get('child_pid')
+            if not child_pid:
+                current_app.logger.error("No child process found for resize")
                 return
+            
+            # 检查子进程是否存在且运行中
+            child_process = psutil.Process(child_pid)
             if child_process.status() not in ('running', 'sleeping'):
-            disconnect()
-            session['terminal_config'] = TERM_INIT_CONFIG
+                current_app.logger.debug("Child process not running, cleaning up resize")
+                terminal_config.pop('child_pid', None)
+                terminal_config.pop('fd', None)
+                session.modified = True
                 return
-        fd = session.get('terminal_config').get('fd')
+            
+            fd = terminal_config.get('fd')
             if fd:
                 # 检查文件描述符是否有效
                 try:
-                # 尝试一个简单的操作来检查文件描述符是否有效
                     os.fstat(fd)
-                set_winsize(fd, data["rows"], data["cols"])
-            except (OSError, IOError):
+                    set_winsize(fd, rows, cols)
+                except (OSError, IOError) as e:
                     # 文件描述符无效，清理资源
-                disconnect()
-                session['terminal_config'] = TERM_INIT_CONFIG
-                return
+                    current_app.logger.debug(f"Error resizing terminal: {e}")
+                    terminal_config.pop('child_pid', None)
+                    terminal_config.pop('fd', None)
+                    session.modified = True
+        except psutil.NoSuchProcess:
+            # 进程不存在，清理资源
+            terminal_config = session.get('terminal_config', {})
+            terminal_config.pop('child_pid', None)
+            terminal_config.pop('fd', None)
+            session.modified = True
+        except Exception as e:
+            current_app.logger.error(f"Error in resize handling: {e}")
 
     def on_disconnect(self):
         terminal_config = session.get('terminal_config', {})

code-server-like/run.py

@@ -10,7 +10,6 @@ logging.getLogger('werkzeug').setLevel(logging.ERROR)
 app = create_app()
 
 if __name__ == '__main__':
-    try:
     socketio.run(
         app,
         host="0.0.0.0",
@@ -19,14 +18,3 @@ if __name__ == '__main__':
         allow_unsafe_werkzeug=True, # 避免 dev server 的安全限制提示
         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()

code-server-like/templates/index.html

@@ -161,7 +161,7 @@
                 // saveFile
                 if (saveTimeout) clearTimeout(saveTimeout);
                 saveTimeout = setTimeout(() => {
-                    postSaveFile(selectedItem.path+'/'+selectedItem.name, editor.getValue());
+                    postSaveFile(filePath, editor.getValue());
                 }, 5000); // 5000ms = 5秒
             });