agent-Specialization/server/chat_flow.py
JOJO be061bec78 fix(server): 停止标志改为任务级隔离,修复并行对话互相停止
stop_flags 此前以 user:{username} 级共享 entry:任务启动时兜底复用并
mutate 共享 entry(task/loop 引用被后启动任务覆盖),stop 标志经用户级
key 广播——停任意一个对话,同用户所有并行对话(含跨工作区、传统与
多智能体混合)全部停止,cancel_task 还可能取消错 task 对象。

- state.py: get_stop_flag 新增 include_user 参数;clear_stop_flag 仅在
  user 级索引仍指向本任务 entry 时才清理
- chat_flow.py process_message_task: 每任务新建独立 entry,不再复用
- 8 处运行期检查点(流式/工具循环/重试等待/两个 poll/主循环)改为
  include_user=False,只查任务级 key
- socket 链路(connect 恢复/disconnect/stop_task)保留用户级索引语义

验证: 冒烟 6 用例 OK;并行场景 9 断言脚本验证通过
2026-08-08 23:59:23 +08:00

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from __future__ import annotations
import sys
import os
PROJECT_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
if PROJECT_ROOT not in sys.path:
sys.path.insert(0, PROJECT_ROOT)
import asyncio
import json
import time
import re
import zipfile
from collections import defaultdict, Counter, deque
from datetime import datetime, timedelta
from pathlib import Path
from typing import Dict, Any, Optional, List, Tuple
from flask import Blueprint, request, jsonify, session
from werkzeug.utils import secure_filename
from config import (
OUTPUT_FORMATS,
AUTO_FIX_TOOL_CALL,
AUTO_FIX_MAX_ATTEMPTS,
MAX_ITERATIONS_PER_TASK,
MAX_CONSECUTIVE_SAME_TOOL,
MAX_TOTAL_TOOL_CALLS,
TOOL_CALL_COOLDOWN,
MAX_UPLOAD_SIZE,
DEFAULT_CONVERSATIONS_LIMIT,
MAX_CONVERSATIONS_LIMIT,
CONVERSATIONS_DIR,
DEFAULT_RESPONSE_MAX_TOKENS,
DEFAULT_PROJECT_PATH,
LOGS_DIR,
AGENT_VERSION,
PROJECT_MAX_STORAGE_MB,
PROJECT_MAX_STORAGE_BYTES,
UPLOAD_SCAN_LOG_SUBDIR,
)
from modules.personalization_manager import (
load_personalization_config,
save_personalization_config,
)
from modules.sub_agent.state import TERMINAL_STATUSES as SUB_AGENT_TERMINAL_STATUSES
from modules.upload_security import UploadSecurityError
from modules.user_manager import UserWorkspace
from modules.usage_tracker import QUOTA_DEFAULTS
from core.web_terminal import WebTerminal
from utils.tool_result_formatter import format_tool_result_for_context
from utils.conversation_manager import ConversationManager
from config.model_profiles import get_model_context_window, get_model_profile
from .auth_helpers import api_login_required, resolve_admin_policy, get_current_user_record, get_current_username
from .context import with_terminal, get_gui_manager, get_upload_guard, build_upload_error_response, ensure_conversation_loaded, reset_system_state, get_user_resources, get_or_create_usage_tracker
from .work_timer import finalize_conversation_work_timer
from .utils_common import (
build_review_lines,
debug_log,
log_backend_chunk,
log_frontend_chunk,
log_streaming_debug_entry,
brief_log,
DEBUG_LOG_FILE,
CHUNK_BACKEND_LOG_FILE,
CHUNK_FRONTEND_LOG_FILE,
STREAMING_DEBUG_LOG_FILE,
)
from .security import rate_limited, format_tool_result_notice, compact_web_search_result, consume_socket_token, prune_socket_tokens, validate_csrf_request, requires_csrf_protection, get_csrf_token
from .monitor import cache_monitor_snapshot, get_cached_monitor_snapshot
from .extensions import socketio
from .state import (
MONITOR_FILE_TOOLS,
MONITOR_MEMORY_TOOLS,
MONITOR_SNAPSHOT_CHAR_LIMIT,
MONITOR_MEMORY_ENTRY_LIMIT,
RATE_LIMIT_BUCKETS,
FAILURE_TRACKERS,
pending_socket_tokens,
usage_trackers,
MONITOR_SNAPSHOT_CACHE,
MONITOR_SNAPSHOT_CACHE_LIMIT,
PROJECT_STORAGE_CACHE,
PROJECT_STORAGE_CACHE_TTL_SECONDS,
RECENT_UPLOAD_EVENT_LIMIT,
RECENT_UPLOAD_FEED_LIMIT,
TITLE_PROMPT_PATH,
get_last_active_ts,
user_manager,
container_manager,
custom_tool_registry,
user_terminals,
terminal_rooms,
connection_users,
stop_flags,
get_stop_flag,
set_stop_flag,
clear_stop_flag,
)
from .chat_flow_helpers import (
detect_malformed_tool_call as _detect_malformed_tool_call,
detect_tool_failure,
generate_conversation_title_background as _generate_conversation_title_background,
)
from .chat_flow_runner import handle_task_with_sender
conversation_bp = Blueprint('conversation', __name__)
def generate_conversation_title_background(web_terminal: WebTerminal, conversation_id: str, user_message: str, username: str):
"""在后台生成对话标题并更新索引、推送给前端。"""
return _generate_conversation_title_background(
web_terminal=web_terminal,
conversation_id=conversation_id,
user_message=user_message,
username=username,
socketio_instance=socketio,
title_prompt_path=TITLE_PROMPT_PATH,
debug_logger=debug_log,
)
def detect_malformed_tool_call(text):
return _detect_malformed_tool_call(text)
def process_message_task(terminal: WebTerminal, message: str, images, sender, client_sid, workspace: UserWorkspace, username: str, videos=None):
"""在后台处理消息任务"""
videos = videos or []
auto_user_message_event = bool(getattr(terminal, "_auto_user_message_event", False))
try:
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
# 创建可取消的任务
task = loop.create_task(
handle_task_with_sender(
terminal,
workspace,
message,
images,
sender,
client_sid,
username,
videos,
auto_user_message_event=auto_user_message_event,
)
)
# 每个任务使用独立的停止 entry不复用用户级索引中的旧 entry。
# 这样同一用户的多个对话并行运行时,取消/停止只精确作用于本任务,
# 不会通过共享 entry 互相覆盖 task/loop 引用或广播 stop 标志。
entry = {'stop': False, 'task': task, 'terminal': terminal, 'loop': loop}
set_stop_flag(client_sid, username, entry)
try:
loop.run_until_complete(task)
except asyncio.CancelledError:
debug_log(f"[ChatFlow] 任务被成功取消: client_sid={client_sid}")
# 检测是否仍有后台任务在跑,通知前端保持停止按钮
has_running_sub_agents = False
has_running_background_commands = False
conversation_id = getattr(getattr(terminal, 'context_manager', None), 'current_conversation_id', None)
if conversation_id:
sub_agent_manager = getattr(terminal, 'sub_agent_manager', None)
if sub_agent_manager:
try:
sub_agent_manager.reconcile_task_states(conversation_id=conversation_id)
for task_info in sub_agent_manager.tasks.values():
if task_info.get('conversation_id') != conversation_id:
continue
status = task_info.get('status')
if status not in SUB_AGENT_TERMINAL_STATUSES.union({"terminated"}):
has_running_sub_agents = True
break
except Exception as exc:
debug_log(f"[Task] 取消时检查后台子智能体失败: {exc}")
bg_manager = getattr(terminal, 'background_command_manager', None)
if bg_manager:
try:
bg_manager.reconcile_stale_records(conversation_id=conversation_id)
waiting_items = bg_manager.list_waiting_items(conversation_id)
if waiting_items:
has_running_background_commands = True
except Exception as exc:
debug_log(f"[Task] 取消时检查后台命令失败: {exc}")
debug_log(
f"[ChatFlow] 任务取消,最终停止事件由 _run_chat_task 发送: client_sid={client_sid}, "
f"has_running_sub_agents={has_running_sub_agents}, "
f"has_running_background_commands={has_running_background_commands}"
)
# 取消时:仅当对话真正空闲(没有后台子智能体/后台命令还在跑)
# 才把 work_timer 标记为完成,否则后台工作继续期间计时器应保持运行。
try:
if terminal and conversation_id:
finalized = finalize_conversation_work_timer(
terminal,
conversation_id,
finished_at=datetime.now().isoformat(),
)
except Exception as exc:
debug_log(f"[ChatFlow] 取消时标记 work_timer 完成失败: {exc}")
# task_stopped 事件统一在 _run_chat_task finally 中发送,避免重复
reset_system_state(terminal)
loop.close()
except Exception as e:
# 【新增】错误时确保对话状态不丢失
try:
if terminal and terminal.context_manager:
# 尝试保存当前对话状态
terminal.context_manager.auto_save_conversation()
debug_log("错误恢复:对话状态已保存")
except Exception as save_error:
debug_log(f"错误恢复:保存对话状态失败: {save_error}")
# 原有的错误处理逻辑
debug_log(f"任务处理错误: {e}")
import traceback
traceback.print_exc()
sender('error', {
'message': str(e),
'conversation_id': getattr(getattr(terminal, "context_manager", None), "current_conversation_id", None),
'task_id': getattr(terminal, "task_id", None) or client_sid,
'client_sid': client_sid
})
sender('task_complete', {
'total_iterations': 0,
'total_tool_calls': 0,
'auto_fix_attempts': 0,
'error': str(e)
})
finally:
# 清理任务引用
clear_stop_flag(client_sid, username)
# === 统一对外入口 ===
def start_chat_task(terminal, message: str, images: Any, sender, client_sid: str, workspace, username: str, videos: Any = None):
"""在线程模式下启动对话任务,供 Socket 事件调用。"""
return socketio.start_background_task(
process_message_task,
terminal,
message,
images,
sender,
client_sid,
workspace,
username,
videos
)
def run_chat_task_sync(terminal, message: str, images: Any, sender, client_sid: str, workspace, username: str, videos: Any = None):
"""同步执行(测试/CLI 使用)。"""
return process_message_task(terminal, message, images, sender, client_sid, workspace, username, videos)