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base: CakeCN:042f6ee99e4710dc6b10d9fcdc89b86f9b054ef9
Branches Tags
CakeCN:main CakeCN:test CakeCN:feat-gyy CakeCN:code-server-like-ssh CakeCN:ack-client CakeCN:backboard_key_error CakeCN:save_load_learned
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compare: CakeCN:test
Branches Tags
CakeCN:main CakeCN:test CakeCN:feat-gyy CakeCN:code-server-like-ssh CakeCN:ack-client CakeCN:backboard_key_error CakeCN:save_load_learned

6 Commits
042f6ee99e ... test

Author SHA1 Message Date
CakeCN
8aa567cdf2 全局异常捕获，特别是IOClosed错误，避免服务器崩溃 2026-01-07 01:06:13 +08:00
CakeCN
a3b3018de7 客户端断开连接后，文件描述符已经被关闭，但仍有事件在处理中：对 app/sockets/terminal_service.py 文件进行了全面修复 2026-01-07 00:57:27 +08:00
CakeCN
761095d61d 修复了code-server-like服务中的eventlet.hubs.IOClosed错误：当客户端断开连接时，文件描述符被关闭，但后台任务仍在尝试读取，导致eventlet核心代码抛出IOClosed错误。 2026-01-06 21:05:39 +08:00
Cai
643c16fdf7 fix:课时编辑页面步骤处保存冗余保存问题 2026-01-05 17:26:14 +08:00
Cai
5082436289 fix:index.html的课程详情页面跳转缺失 2026-01-05 16:08:55 +08:00
Cai
7193b9a000 fix：修复前端this undefined导致的无法选课问题 2026-01-05 15:50:51 +08:00
6 changed files with 801 additions and 692 deletions
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40
Html/apps/static/js/index.js
View File

@@ -8,31 +8,43 @@ function show_course_details(course_id){
function on_click_select_course(event) { function on_click_select_course(event) {
event.stopPropagation(); // 阻止事件冒泡 event.stopPropagation(); // 阻止事件冒泡
const courseId = event.currentTarget.getAttribute('data-course-id'); const button = event.currentTarget;
if (event.currentTarget.classList.contains("selected-button")) {alert('课程已选择'); return;} const courseId = button.getAttribute('data-course-id');
if (!courseId) { alert('缺少课程ID'); return; }
if (button.classList.contains("selected-button")) { alert('课程已选择'); return; }
if (button.disabled) { return; }
button.disabled = true;
fetch(`/select_course`, { fetch(`/select_course`, {
method: 'POST', method: 'POST',
headers: { headers: {
'Content-Type': 'application/json', 'Content-Type': 'application/json',
'X-CSRFToken': '{{ csrf_token() }}' // 如果使用 CSRF 保护
}, },
body: JSON.stringify({ course_id: courseId }) body: JSON.stringify({ course_id: courseId })
}) })
.then(response => response.json()) .then(async (response) => {
.then(data => { let data = null;
if (data.success) { try {
// 更新按钮样式或显示消息 data = await response.json();
this.classList.remove('select-button'); } catch (_) {
this.classList.add('selected-button');
this.textContent = '已选择';
alert('选择课程成功');
} else {
alert('选择课程失败');
} }
if (!response.ok) {
throw new Error(data?.message || `请求失败(${response.status})`);
}
return data;
})
.then((data) => {
if (!data?.success) {
throw new Error(data?.message || '选择课程失败');
}
button.classList.remove('select-button');
button.classList.add('selected-button');
button.textContent = '已选课';
alert('选择课程成功');
}) })
.catch(error => { .catch(error => {
console.error('Error:', error); console.error('Error:', error);
alert('选择课程失败'); alert(error?.message || '选择课程失败');
button.disabled = false;
}); });
} }

10
Html/apps/static/js/lesson.js
View File

@@ -539,8 +539,16 @@ function deleteSectionInRaw(level, title) {
if (!t) return ''; if (!t) return '';
return parsed.lines.slice(t.start, t.end + 1).join('\n'); return parsed.lines.slice(t.start, t.end + 1).join('\n');
} }
// 加载某个步骤到编辑器
function buildOriginSaveUrl() { function buildOriginSaveUrl() {
return `/api/materials/save/${encodeURIComponent(CURRENT.material_id)}/${encodeURIComponent(CURRENT.chapter_name)}/${encodeURIComponent(CURRENT.lesson_name)}`; const mid = typeof CURRENT.material_id === 'string' && CURRENT.material_id
|| (window.material && window.material.material_id) || '';
const ch = typeof CURRENT.chapter_name === 'string' && CURRENT.chapter_name
|| (window.chapter && window.chapter.chapter_name) || '';
const ln = typeof CURRENT.lesson_name === 'string' && CURRENT.lesson_name
|| (window.lesson && window.lesson.lesson_name) || '';
return `/api/materials/save/${encodeURIComponent(mid)}/${encodeURIComponent(ch)}/${encodeURIComponent(ln)}`;
} }
/** /**

18
Html/apps/templates/index.html
View File

@@ -1,5 +1,6 @@
<!DOCTYPE html> <!DOCTYPE html>
<html lang="zh"> <html lang="zh">
<head> <head>
<meta charset="UTF-8"> <meta charset="UTF-8">
<title>课程选择主页</title> <title>课程选择主页</title>
@@ -12,6 +13,7 @@
<script src="/static/cdnback/js/bootstrap.bundle.min.js"></script> <script src="/static/cdnback/js/bootstrap.bundle.min.js"></script>
<link rel="stylesheet" href="/static/css/index.css"> <link rel="stylesheet" href="/static/css/index.css">
</head> </head>
<body> <body>
{% include 'navbar.html' %} {% include 'navbar.html' %}
@@ -51,8 +53,7 @@
<div class="col-md-6 col-lg-4"> <div class="col-md-6 col-lg-4">
<div class="course-card card h-100" onclick="openCourseProgress('{{course._id}}')"> <div class="course-card card h-100" onclick="openCourseProgress('{{course._id}}')">
<img src="{{course.image_url}}" <img src="{{course.image_url}}" class="course-img" alt="课程封面">
class="course-img" alt="课程封面">
<div class="card-body d-flex flex-column"> <div class="card-body d-flex flex-column">
<span class="course-category">算法设计</span> <span class="course-category">算法设计</span>
<h5 class="course-title">{{course.name}}</h5> <h5 class="course-title">{{course.name}}</h5>
@@ -62,11 +63,15 @@
<span class="course-rating"><i class="fas fa-star"></i> 4.7</span> <span class="course-rating"><i class="fas fa-star"></i> 4.7</span>
</div> </div>
<div class="mt-auto d-grid gap-2 d-md-flex"> <div class="mt-auto d-grid gap-2 d-md-flex">
<button class="btn btn-view flex-fill" onclick="btn_view(event,'{{course._id}}')"><i class="far fa-eye me-1"></i> 课程</button> <button class="btn btn-view flex-fill" onclick="btn_view(event,'{{course._id}}')"><i
class="far fa-eye me-1"></i> 课程</button>
{% if course._id in selected_courses %} {% if course._id in selected_courses %}
<button class="btn btn-process flex-fill selected-button" data-course-id="{{course._id}}">已选课</button> <button class="btn btn-process flex-fill selected-button"
data-course-id="{{course._id}}">已选课</button>
{% else %} {% else %}
<button class="btn btn-process flex-fill select-button" onclick="on_click_select_course(event)" data-course-id="{{course._id}}">选择课程</button> <button class="btn btn-process flex-fill select-button"
onclick="on_click_select_course(event)"
data-course-id="{{course._id}}">选择课程</button>
{% endif %} {% endif %}
</div> </div>
@@ -88,5 +93,6 @@
} }
</script> </script>
<script src="/static/js/index.js"></script> <script src="/static/js/index.js"></script>
</html> <script src="/static/js/dashboard.js"></script>
</html>

29
code-server-like/app/__init__.py
View File

@@ -1,5 +1,32 @@
import eventlet import eventlet
eventlet.monkey_patch() # 进行猴子补丁操作 import logging
# 配置 eventlet 日志，抑制 IOClosed 等错误日志
logging.getLogger('eventlet.hubs').setLevel(logging.CRITICAL)
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
try:
from eventlet.hubs import hub
# 保存原始的 handle_error 方法
original_handle_error = hub.Hub.handle_error
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):
return
# 其他错误调用原始方法
original_handle_error(self, context, type, value, tb)
# 替换原始方法
hub.Hub.handle_error = custom_handle_error
except Exception as e:
# 如果修改失败，忽略错误
pass
from flask import Flask from flask import Flask
from .views.routes import main_bp from .views.routes import main_bp
from .views.file import file_bp from .views.file import file_bp

62
code-server-like/app/sockets/terminal_service.py
View File

@@ -29,8 +29,12 @@ terminal_bp = Blueprint('terminal', __name__, url_prefix='/vsc-like')
def set_winsize(fd, row, col, xpix=0, ypix=0): def set_winsize(fd, row, col, xpix=0, ypix=0):
try:
winsize = struct.pack("HHHH", row, col, xpix, ypix) winsize = struct.pack("HHHH", row, col, xpix, ypix)
fcntl.ioctl(fd, termios.TIOCSWINSZ, winsize) fcntl.ioctl(fd, termios.TIOCSWINSZ, winsize)
except (OSError, IOError):
# File descriptor closed or invalid, do nothing
pass
def read_and_forward_pty_output(fd=None, pid=None, room_id=None,namespace=None): def read_and_forward_pty_output(fd=None, pid=None, room_id=None,namespace=None):
@@ -67,21 +71,35 @@ def read_and_forward_pty_output(fd=None, pid=None, room_id=None,namespace=None):
return return
if fd: if fd:
timeout_sec = 0 timeout_sec = 0
try:
# Check if file descriptor is still valid by trying to select on it
(data_ready, _, _) = select.select([fd], [], [], timeout_sec) (data_ready, _, _) = select.select([fd], [], [], timeout_sec)
if data_ready: if data_ready:
# output = os.read(fd, max_read_bytes).decode('ascii')
timeout=0.1 timeout=0.1
try: try:
output = os.read(fd, max_read_bytes).decode() output = os.read(fd, max_read_bytes).decode()
except Exception as err: except (OSError, IOError, EOFError) as err:
# File descriptor closed or other IO error, exit gracefully
return
except UnicodeDecodeError as err:
output = """ output = """
***AQUI WEB TERM ERR*** ***AQUI WEB TERM ERR***
{} Unicode decode error: {}
*********************** ***********************
""".format(err) """.format(err)
# the key for different visitor to get different terminal (instead of mixing up) # 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! # is to let the background task push pty response to each one's own (default) ROOM!
try:
namespace.emit("pty_output", {"output": output}, room=room_id) namespace.emit("pty_output", {"output": output}, room=room_id)
except Exception:
# If emit fails, the client is probably disconnected, exit
return
except (OSError, IOError) as err:
# File descriptor closed or invalid, exit gracefully
return
except Exception as e:
# Catch any other unexpected exceptions to prevent server crash
pass
finally: finally:
# Clean up file descriptor if it's open # Clean up file descriptor if it's open
if fd: if fd:
@@ -158,7 +176,13 @@ class VSCLikeNameSpace(Namespace):
if fd: if fd:
# print("writing to ptd: %s" % data["input"]) # print("writing to ptd: %s" % data["input"])
# os.write(fd, data["input"].encode('ascii')) # os.write(fd, data["input"].encode('ascii'))
try:
os.write(fd, data["input"].encode()) os.write(fd, data["input"].encode())
except (OSError, IOError):
# File descriptor closed or invalid, clean up
disconnect()
session['terminal_config'] = TERM_INIT_CONFIG
return
def on_resize(self, data): def on_resize(self, data):
@@ -174,10 +198,29 @@ class VSCLikeNameSpace(Namespace):
return return
fd = session.get('terminal_config').get('fd') fd = session.get('terminal_config').get('fd')
if 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"]) set_winsize(fd, data["rows"], data["cols"])
except (OSError, IOError):
# 文件描述符无效，清理资源
disconnect()
session['terminal_config'] = TERM_INIT_CONFIG
return
def on_disconnect(self): def on_disconnect(self):
child_pid = session.get('terminal_config', {}).get('child_pid') terminal_config = session.get('terminal_config', {})
child_pid = terminal_config.get('child_pid')
fd = terminal_config.get('fd')
# 先关闭文件描述符，避免其他操作尝试使用无效的文件描述符
if fd:
try:
os.close(fd)
except Exception:
pass
if child_pid: if child_pid:
try: try:
child_process = psutil.Process(child_pid) child_process = psutil.Process(child_pid)
@@ -196,21 +239,14 @@ class VSCLikeNameSpace(Namespace):
pass pass
except psutil.TimeoutExpired: except psutil.TimeoutExpired:
# If process didn't terminate in time, kill it forcefully # If process didn't terminate in time, kill it forcefully
child_process.kill()
try: try:
child_process.kill()
child_process.wait(timeout=1) child_process.wait(timeout=1)
except Exception: except Exception:
pass pass
except Exception as err: except Exception as err:
current_app.logger.error(f'Error terminating process: {err}') current_app.logger.error(f'Error terminating process: {err}')
finally:
# Close the file descriptor if it's open
fd = session.get('terminal_config', {}).get('fd')
if fd:
try:
os.close(fd)
except Exception:
pass
# Reset session config # Reset session config
session['terminal_config'] = TERM_INIT_CONFIG session['terminal_config'] = TERM_INIT_CONFIG
current_app.logger.debug('Client disconnected') current_app.logger.debug('Client disconnected')

20
code-server-like/run.py
View File

@@ -1,12 +1,32 @@
from app import create_app from app import create_app
from app.extensions import socketio from app.extensions import socketio
import logging
# 配置日志，减少eventlet的调试日志
logging.getLogger('eventlet').setLevel(logging.ERROR)
logging.getLogger('socketio').setLevel(logging.ERROR)
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
) )
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()