Merge branch 'feature/kfc' of https://github.com/MoFox-Studio/MoFox-Core into feature/kfc

This commit is contained in:
Windpicker-owo
2025-11-30 17:08:48 +08:00
2 changed files with 214 additions and 44 deletions

View File

@@ -52,6 +52,11 @@ class StreamLoopManager:
# 流循环启动锁:防止并发启动同一个流的多个循环任务
self._stream_start_locks: dict[str, asyncio.Lock] = {}
# 死锁检测:记录每个流的最后活动时间
self._stream_last_activity: dict[str, float] = {}
self._deadlock_detector_task: asyncio.Task | None = None
self._deadlock_threshold_seconds: float = 120.0 # 2分钟无活动视为可能死锁
logger.info(f"流循环管理器初始化完成 (最大并发流数: {self.max_concurrent_streams})")
@@ -62,6 +67,60 @@ class StreamLoopManager:
return
self.is_running = True
# 启动死锁检测器
self._deadlock_detector_task = asyncio.create_task(
self._deadlock_detector_loop(),
name="deadlock_detector"
)
logger.info("死锁检测器已启动")
async def _deadlock_detector_loop(self) -> None:
"""死锁检测循环 - 定期检查所有流的活动状态"""
while self.is_running:
try:
await asyncio.sleep(30.0) # 每30秒检查一次
current_time = time.time()
suspected_deadlocks = []
# 检查所有活跃流的最后活动时间
for stream_id, last_activity in list(self._stream_last_activity.items()):
inactive_seconds = current_time - last_activity
if inactive_seconds > self._deadlock_threshold_seconds:
suspected_deadlocks.append((stream_id, inactive_seconds))
if suspected_deadlocks:
logger.warning(
f"🔴 [死锁检测] 发现 {len(suspected_deadlocks)} 个可能卡住的流:\n" +
"\n".join([
f" - stream={sid[:8]}, 无活动时间={inactive:.1f}s"
for sid, inactive in suspected_deadlocks
])
)
# 打印当前所有 asyncio 任务的状态
all_tasks = asyncio.all_tasks()
stream_loop_tasks = [t for t in all_tasks if t.get_name().startswith("stream_loop_")]
logger.warning(
f"🔴 [死锁检测] 当前流循环任务状态:\n" +
"\n".join([
f" - {t.get_name()}: done={t.done()}, cancelled={t.cancelled()}"
for t in stream_loop_tasks
])
)
else:
# 每5分钟报告一次正常状态
if int(current_time) % 300 < 30:
active_count = len(self._stream_last_activity)
if active_count > 0:
logger.info(f"🟢 [死锁检测] 所有 {active_count} 个流正常运行中")
except asyncio.CancelledError:
logger.info("死锁检测器被取消")
break
except Exception as e:
logger.error(f"死锁检测器出错: {e}")
async def stop(self) -> None:
"""停止流循环管理器"""
@@ -69,6 +128,15 @@ class StreamLoopManager:
return
self.is_running = False
# 停止死锁检测器
if self._deadlock_detector_task and not self._deadlock_detector_task.done():
self._deadlock_detector_task.cancel()
try:
await self._deadlock_detector_task
except asyncio.CancelledError:
pass
logger.info("死锁检测器已停止")
# 取消所有流循环
try:
@@ -214,11 +282,24 @@ class StreamLoopManager:
"""
task_id = id(asyncio.current_task())
logger.info(f"🔄 [流工作器] stream={stream_id[:8]}, 任务ID={task_id}, 启动")
# 死锁检测:记录循环次数和上次活动时间
loop_count = 0
# 注册到活动跟踪
self._stream_last_activity[stream_id] = time.time()
try:
while self.is_running:
loop_count += 1
loop_start_time = time.time()
# 更新活动时间(死锁检测用)
self._stream_last_activity[stream_id] = loop_start_time
try:
# 1. 获取流上下文
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count}, 获取上下文...")
context = await self._get_stream_context(stream_id)
if not context:
logger.warning(f"⚠️ [流工作器] stream={stream_id[:8]}, 无法获取流上下文")
@@ -226,6 +307,7 @@ class StreamLoopManager:
continue
# 2. 检查是否有消息需要处理
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count}, 刷新缓存消息...")
await self._flush_cached_messages_to_unread(stream_id)
unread_count = self._get_unread_count(context)
force_dispatch = self._needs_force_dispatch_for_context(context, unread_count)
@@ -245,11 +327,36 @@ class StreamLoopManager:
logger.debug(f"更新流能量失败 {stream_id}: {e}")
# 4. 激活chatter处理
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count}, 开始chatter处理...")
try:
success = await asyncio.wait_for(self._process_stream_messages(stream_id, context), global_config.chat.thinking_timeout)
# 在长时间处理期间定期更新活动时间,避免死锁检测误报
async def process_with_activity_update():
process_task = asyncio.create_task(
self._process_stream_messages(stream_id, context)
)
activity_update_interval = 30.0 # 每30秒更新一次
while not process_task.done():
try:
# 等待任务完成或超时
await asyncio.wait_for(
asyncio.shield(process_task),
timeout=activity_update_interval
)
except asyncio.TimeoutError:
# 任务仍在运行,更新活动时间
self._stream_last_activity[stream_id] = time.time()
logger.debug(f"🔄 [流工作器] stream={stream_id[:8]}, 处理中,更新活动时间")
return await process_task
success = await asyncio.wait_for(
process_with_activity_update(),
global_config.chat.thinking_timeout
)
except asyncio.TimeoutError:
logger.warning(f"⏱️ [流工作器] stream={stream_id[:8]}, 任务ID={task_id}, 处理超时")
success = False
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count}, chatter处理完成, success={success}")
# 更新统计
self.stats["total_process_cycles"] += 1
if success:
@@ -263,6 +370,7 @@ class StreamLoopManager:
logger.warning(f"❌ [流工作器] stream={stream_id[:8]}, 任务ID={task_id}, 处理失败")
# 5. 计算下次检查间隔
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count}, 计算间隔...")
interval = await self._calculate_interval(stream_id, has_messages)
# 6. sleep等待下次检查
@@ -271,7 +379,22 @@ class StreamLoopManager:
if last_interval is None or abs(interval - last_interval) > 0.01:
logger.info(f"{stream_id} 等待周期变化: {interval:.2f}s")
self._last_intervals[stream_id] = interval
await asyncio.sleep(interval)
loop_duration = time.time() - loop_start_time
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count} 完成, 耗时={loop_duration:.2f}s, 即将sleep {interval:.2f}s")
# 使用分段sleep每隔一段时间更新活动时间避免死锁检测误报
# 当间隔较长时(如等待用户回复),分段更新活动时间
remaining_sleep = interval
activity_update_interval = 30.0 # 每30秒更新一次活动时间
while remaining_sleep > 0:
sleep_chunk = min(remaining_sleep, activity_update_interval)
await asyncio.sleep(sleep_chunk)
remaining_sleep -= sleep_chunk
# 更新活动时间,表明流仍在正常运行(只是在等待)
self._stream_last_activity[stream_id] = time.time()
logger.debug(f"🔍 [流工作器] stream={stream_id[:8]}, 循环#{loop_count} sleep结束, 开始下一循环")
except asyncio.CancelledError:
logger.info(f"🛑 [流工作器] stream={stream_id[:8]}, 任务ID={task_id}, 被取消")
@@ -293,6 +416,9 @@ class StreamLoopManager:
# 清理间隔记录
self._last_intervals.pop(stream_id, None)
# 清理活动跟踪
self._stream_last_activity.pop(stream_id, None)
logger.info(f"🏁 [流工作器] stream={stream_id[:8]}, 任务ID={task_id}, 循环结束")