try tmux

code-server-like/app/__init__.py

@@ -1,3 +1,5 @@
+import eventlet
+eventlet.monkey_patch()  # 进行猴子补丁操作
 from flask import Flask
 from .views.routes import main_bp
 from .views.file import file_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=52428800, async_mode="eventlet")   # 不直接传 app
+socketio = SocketIO(path='vsc-like-ws',cors_allowed_origins="*",max_payload_size=5242880, async_mode="eventlet")   # 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=52428800, async_mode="threading")
+    socketio.init_app(app, cors_allowed_origins="*", max_payload_size=5242880, async_mode="eventlet")
     app.extensions["session_paths"] = session_paths
 
 def register_namespaces(app):

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

@@ -1,5 +1,7 @@
 import os
 import select
+import time
+import uuid
 import subprocess
 import threading
 from flask import Blueprint, request, current_app, session
@@ -11,9 +13,39 @@ from ..extensions import socketio
 terminal_bp = Blueprint('terminal', __name__, url_prefix='/vsc-like')
 
 # 存储终端进程
+command_dict = {}
+terminal_busy = {}
 terminals = {}
 terminal_locks = {}
-def start_terminal_process(socket_id):
+
+def check_process_running(command_name):
+    try:
+        # 使用 pgrep 查找与给定命令相关的进程
+        result = subprocess.run(
+            ["pgrep", "-f", command_name], 
+            stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        )
+        return result.returncode == 0  # 如果返回值为 0，说明命令仍在运行
+    except Exception as e:
+        print(f"Error checking process: {e}")
+        return False
+
+def monitor_process(socket_id, command_name, namespace):
+    while True:
+        is_running = check_process_running(command_name)
+        if is_running:
+            print(f"Process '{command_name}' is still running.")
+        else:
+            print(f"Process '{command_name}' is not running.")
+            break  # 停止检查，如果进程不再运行
+
+        time.sleep(0.1)  # 每 0.1 秒检查一次
+    command_dict[socket_id] = ''
+    terminal_busy[socket_id] = False
+    namespace.emit('terminal_output',{'data': '>'})
+
+
+def start_terminal_process(socket_id, namespace):
     """
     监听多个子进程的输出，并通过 WebSocket 发给前端
     使用 select 进行非阻塞的 I/O 操作，并实现动态流量控制
@@ -21,34 +53,23 @@ def start_terminal_process(socket_id):
     process = terminals[socket_id]
 
     # 获取子进程的 stdout 和 stderr
-    stdout_fd = process.stdout
+    stdout = process.stdout
-    stderr_fd = process.stderr
+    stdin = process.stdin
-
     # 将 stdout 和 stderr 添加到 select 监听的文件描述符列表中
-    fds = [stdout_fd, stderr_fd]
 
     # 初始等待时间
     timeout = 0.1
     max_timeout = 2  # 设置最大超时时间为 2 秒
 
     while True:
-        # 使用 select 监听多个文件描述符，等待数据准备好
+        while True:
-        readable, _, _ = select.select(fds, [], [], timeout)
+            output = stdout.readline()
-
+            if not output:
-        if readable:
+                break
-            # 有数据可读时，重置超时时间为 0.1 秒
             timeout = 0.1
-
+            namespace.emit('terminal_output', {'data': output+'\r'}, room=socket_id)
-            for fd in readable:
-                # 读取进程的标准输出或错误输出
-                output = fd.readline()
-                if output:
-                    emit('terminal_output', {'data': output}, room=socket_id)
-        else:
-            # 如果没有数据可读，则逐渐增加超时时间
         timeout = min(timeout * 2, max_timeout)
-
+        time.sleep(timeout)
-        # 检查进程是否仍在运行，如果不在运行则退出循环
         if process.poll() is not None:
             break
 
@@ -71,21 +92,18 @@ class VSCLikeNameSpace(Namespace):
         # 使用 sudo 启动终端进程，以指定的 user_id 用户身份执行
         try:
             process = subprocess.Popen(
-                ['sudo', '-u', user_id, 'bash'],  # 使用指定的 user_id 启动 bash
+                ['sudo', '-u', user_id, 'bash', '-il'],  # 使用指定的 user_id 启动 bash
                 stdin=subprocess.PIPE,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,
-                text=True
+                text=True,  # 确保输出是文本格式
             )
             terminals[socket_id] = process
+            terminal_busy[socket_id] = False
+            emit('connected', {'message': 'OK'})
+            join_room(socket_id, namespace='/vsc-like')
 
-            emit('connected', {'message': 'Terminal connected'})
+            socketio.start_background_task(target=start_terminal_process, socket_id=socket_id, namespace=self)
-            join_room(path, namespace='/vsc-like')
-
-            # 启动监听终端输出的线程
-            thread = Thread(target=start_terminal_process, args=(socket_id,))
-            thread.daemon = True
-            thread.start()
 
         except Exception as e:
             emit('error', {'message': f'Error starting terminal process: {str(e)}'})
@@ -94,7 +112,7 @@ class VSCLikeNameSpace(Namespace):
     def on_send_input(self, data):
         socket_id = session.get('uuid')
         input_data = data.get('input')
-        
+        if socket_id not in command_dict:command_dict[socket_id]=''
         # 检查当前 socket_id 是否有对应的终端
         if socket_id in terminals:
             # 获取该终端的锁进行线程同步
@@ -105,9 +123,19 @@ class VSCLikeNameSpace(Namespace):
             
             with lock:  # 在锁的保护下操作终端
                 try:
-                    terminals[socket_id].stdin.write(input_data + '\n')
+                    terminals[socket_id].stdin.write(input_data)
+                    command_dict[socket_id]+=input_data
+                    if input_data=='\r':
                         terminals[socket_id].stdin.flush()
-                    emit('terminal_output', {'data': f'Command sent: {input_data}'}, room=socket_id)
+                        emit('terminal_output', {'data': f'\r\n'}, room=socket_id)
+                        if terminal_busy[socket_id]==False:
+                            terminal_busy[socket_id] = True
+                            socketio.start_background_task(monitor_process, socket_id, command_dict[socket_id], namespace=self)
+                    elif input_data=='\x03':
+                        terminals[socket_id].stdin.flush()
+                        emit('terminal_output', {'data': f'^C\x03\r\n'}, room=socket_id)
+                    else:
+                        emit('terminal_output', {'data': input_data}, room=socket_id)
                 except Exception as e:
                     emit('error', {'message': f'Error sending input: {str(e)}'}, room=socket_id)
         else:

code-server-like/static/js/terminal.js

@@ -14,12 +14,17 @@ const socket = io('https://hsamooc.cn/vsc-like',{path:'/vsc-like-ws'});
 
         // 启动连接并监听数据
         socket.on('connected', function (data) {
-            term.write('Terminal connected\n');
+            term.write('>');
         });
 
         // 监听后端返回的终端输出并显示
         socket.on('terminal_output', function (data) {
+            if (data.data=='\x7f'){
+                term.write('\b \b')
+                return
+            }
             term.write(data.data);  // 输出来自后端的数据
+            console.log("get",data.data)
         });
 
         // 监听用户在终端中输入的命令
@@ -27,9 +32,6 @@ const socket = io('https://hsamooc.cn/vsc-like',{path:'/vsc-like-ws'});
             socket.emit('send_input', { input: data });  // 将用户输入通过 WebSocket 发送给后端
         });
 
-        // 用户输入命令时，将其发送给后端
-        socket.emit('send_input', { input: 'start' });
-
         // 如果终端被断开，显示消息
         socket.on('error', function (error) {
             term.write(`\nError: ${error.message}`);