fix: 重启后立即读库展示持仓，CTP异步重连不再阻塞

Co-authored-by: Cursor <cursoragent@cursor.com>

ctp_reconnect.py

@@ -11,7 +11,7 @@ from vnpy_bridge import ctp_try_auto_reconnect
 
 logger = logging.getLogger(__name__)
 
-RECONNECT_INTERVAL_SEC = 30
+RECONNECT_INTERVAL_SEC = 10
 
 
 def _auto_reconnect_enabled() -> bool:
@@ -26,7 +26,6 @@ def start_ctp_reconnect_worker(*, get_mode_fn: Callable[[], str], interval: int
     """定时检测 CTP 连接，断线后自动重连。"""
 
     def _loop() -> None:
-        time.sleep(5)
         while True:
             try:
                 if _auto_reconnect_enabled():
@@ -35,6 +34,6 @@ def start_ctp_reconnect_worker(*, get_mode_fn: Callable[[], str], interval: int
                         logger.debug("CTP 连接正常 [%s]", mode)
             except Exception as exc:
                 logger.warning("CTP reconnect worker: %s", exc)
-            time.sleep(max(15, interval))
+            time.sleep(max(5, interval))
 
     threading.Thread(target=_loop, daemon=True, name="ctp-reconnect-worker").start()

install_trading.py

@@ -78,6 +78,7 @@ from vnpy_bridge import (
     ctp_status,
     execute_order,
     get_bridge,
+    set_position_refresh_callback,
 )
 
 
@@ -128,9 +129,18 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         except Exception:
             return {}
 
-    def _ctp_positions(mode: str, *, refresh_if_empty: bool = True) -> list:
+    def _ctp_positions(
+        mode: str,
+        *,
+        refresh_if_empty: bool = True,
+        refresh_margin: bool = False,
+    ) -> list:
         try:
-            return ctp_list_positions(mode, refresh_if_empty=refresh_if_empty)
+            return ctp_list_positions(
+                mode,
+                refresh_if_empty=refresh_if_empty,
+                refresh_margin=refresh_margin,
+            )
         except Exception:
             return []
 
@@ -431,6 +441,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         mode: str,
         capital: float,
         now_iso: str,
+        fast: bool = False,
     ) -> Optional[dict]:
         if not mon and not ctp:
             return None
@@ -463,14 +474,16 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         holding = _holding_duration(open_time, now_iso) if open_time else ""
 
         mark = None
-        if ctp_status(mode).get("connected"):
+        if not fast and ctp_status(mode).get("connected"):
             mark = ctp_get_tick_price(mode, sym)
-        if (mark is None or mark <= 0) and codes:
+        if not fast and (mark is None or mark <= 0) and codes:
             mark = fetch_price(
                 sym,
                 codes.get("market_code", ""),
                 codes.get("sina_code", ""),
             )
+        if mark is None or mark <= 0:
+            mark = entry if entry else None
         close_est = float(mark) if mark and mark > 0 else entry
         if float_pnl is None and mark and entry:
             pos_tmp = calc_position_metrics(
@@ -564,7 +577,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             "trailing_r_locked": int(mon.get("trailing_r_locked") or 0) if mon else 0,
         }
 
-    def _build_trading_live_rows(conn) -> list[dict]:
+    def _build_trading_live_rows(conn, *, fast: bool = False) -> list[dict]:
         from zoneinfo import ZoneInfo
         tz = ZoneInfo("Asia/Shanghai")
         now_iso = datetime.now(tz).strftime("%Y-%m-%dT%H:%M")
@@ -583,7 +596,10 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             if key not in monitor_by_key:
                 monitor_by_key[key] = mon
 
-        ctp_list: list[dict] = _ctp_positions(mode) if ctp_status(mode).get("connected") else []
+        ctp_list: list[dict] = (
+            _ctp_positions(mode, refresh_if_empty=not fast, refresh_margin=not fast)
+            if ctp_status(mode).get("connected") else []
+        )
         ctp_by_key: dict[str, dict] = {}
         for p in ctp_list:
             if int(p.get("lots") or 0) <= 0:
@@ -617,6 +633,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             try:
                 row = _compose_position_row(
                     conn, mon=mon, ctp=ctp, mode=mode, capital=capital, now_iso=now_iso,
+                    fast=fast,
                 )
                 if row:
                     rows.append(row)
@@ -647,6 +664,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             try:
                 row = _compose_position_row(
                     conn, mon=mon, ctp=ctp, mode=mode, capital=capital, now_iso=now_iso,
+                    fast=fast,
                 )
                 if row:
                     rows.append(row)
@@ -663,11 +681,12 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             deduped.append(row)
         return deduped
 
-    def _build_trading_live_payload(conn) -> dict:
+    def _build_trading_live_payload(conn, *, fast: bool = False) -> dict:
         mode = get_trading_mode(get_setting)
         ctp_st = ctp_status(mode)
-        _ensure_monitors_from_ctp(conn, mode)
+        if not fast:
-        rows = _build_trading_live_rows(conn)
+            _ensure_monitors_from_ctp(conn, mode)
+        rows = _build_trading_live_rows(conn, fast=fast)
         pending_orders = _build_pending_orders(conn, mode)
         capital = _capital(conn)
         risk = get_risk_status(conn, active_count=_effective_active_position_count(conn, mode))
@@ -682,26 +701,54 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             "trading_session": is_trading_session(),
         }
 
-    def _refresh_trading_live_snapshot() -> dict:
+    def _refresh_trading_live_snapshot(*, fast: bool = False) -> dict:
+        mode = get_trading_mode(get_setting)
+        if not fast and ctp_status(mode).get("connected"):
+            try:
+                get_bridge().refresh_positions()
+            except Exception as exc:
+                logger.debug("refresh positions before snapshot: %s", exc)
         conn = get_db()
         try:
             init_strategy_tables(conn)
-            payload = _build_trading_live_payload(conn)
+            payload = _build_trading_live_payload(conn, fast=fast)
             conn.commit()
             return payload
         finally:
             conn.close()
 
-    def _push_position_snapshot_async() -> None:
+    def _push_position_snapshot_async(*, fast: bool = False) -> None:
         def _run() -> None:
             try:
-                payload = _refresh_trading_live_snapshot()
+                payload = _refresh_trading_live_snapshot(fast=fast)
                 position_hub.broadcast("positions", payload)
             except Exception as exc:
                 logger.debug("push position snapshot: %s", exc)
 
         threading.Thread(target=_run, daemon=True).start()
 
+    def _bootstrap_trading_runtime() -> None:
+        """进程启动：立刻读库展示持仓，并异步连 CTP。"""
+        set_position_refresh_callback(
+            lambda: _push_position_snapshot_async(fast=False)
+        )
+
+        def _warm() -> None:
+            try:
+                payload = _refresh_trading_live_snapshot(fast=True)
+                position_hub.set_snapshot(payload)
+                position_hub.broadcast("positions", payload)
+            except Exception as exc:
+                logger.warning("bootstrap position snapshot: %s", exc)
+
+        threading.Thread(target=_warm, daemon=True, name="position-bootstrap").start()
+        try:
+            from vnpy_bridge import ctp_start_connect
+            mode = get_trading_mode(get_setting)
+            ctp_start_connect(mode, force=False)
+        except Exception as exc:
+            logger.debug("bootstrap ctp connect: %s", exc)
+
     @app.route("/trade")
     @login_required
     def trade_page():
@@ -788,7 +835,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         conn = get_db()
         try:
             init_strategy_tables(conn)
-            payload = _build_trading_live_payload(conn)
+            payload = _build_trading_live_payload(conn, fast=True)
             conn.commit()
             position_hub.set_snapshot(payload)
             return jsonify(payload)
@@ -807,7 +854,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
                 if snap:
                     yield sse_format("positions", snap)
                 else:
-                    payload = _refresh_trading_live_snapshot()
+                    payload = _refresh_trading_live_snapshot(fast=True)
                     position_hub.set_snapshot(payload)
                     yield sse_format("positions", payload)
                 while True:
@@ -1322,20 +1369,24 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
                 "status": st,
                 "account": acc,
             })
-        try:
+        return jsonify({
-            st = ctp_connect(mode, force=force)
+            "ok": False,
-            acc = _ctp_account(mode)
+            "error": st.get("last_error") or "CTP 连接未启动",
-            return jsonify({"ok": True, "status": st, "account": acc})
+            "status": st,
-        except Exception as exc:
+            "account": acc,
-            st = ctp_status(mode)
+        }), 400
-            return jsonify({"ok": False, "error": str(exc), "status": st}), 400
 
     @app.route("/api/ctp/status")
     @login_required
     def api_ctp_status():
         mode = get_trading_mode(get_setting)
         st = ctp_status(mode)
-        acc = _ctp_account(mode) if st.get("connected") else {}
+        acc = {}
+        if st.get("connected"):
+            try:
+                acc = _ctp_account(mode)
+            except Exception:
+                acc = {}
         return jsonify({"ok": True, "status": st, "account": acc})
 
     @app.route("/api/account_snapshot")
@@ -1777,9 +1828,10 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         interval=1,
     )
     start_position_worker(
-        refresh_fn=_refresh_trading_live_snapshot,
+        refresh_fn=lambda: _refresh_trading_live_snapshot(fast=False),
         interval=1,
     )
+    _bootstrap_trading_runtime()
     start_ctp_fee_worker(
         get_mode_fn=lambda: get_trading_mode(get_setting),
         get_setting_fn=get_setting,

position_stream.py

@@ -76,7 +76,6 @@ def start_position_worker(
     """后台定时刷新持仓快照并 SSE 广播。"""
 
     def _loop() -> None:
-        time.sleep(3)
         while True:
             sleep_sec = idle_interval
             try:

static/js/trade.js

@@ -111,6 +111,10 @@
 
     function savePosCache(data) {
         try {
+            if (!data || !data.rows || !data.rows.length) {
+                var prev = loadPosCache();
+                if (prev && prev.rows && prev.rows.length) return;
+            }
             sessionStorage.setItem(POS_CACHE_KEY, JSON.stringify(data));
         } catch (e) { /* quota */ }
     }
@@ -947,6 +951,7 @@
         }
         pollPositions();
         connectPositionStream();
+        requestCtpConnect(false);
         connectRecommendStream();
         fetch('/api/recommend/list')
             .then(function (r) { return r.json(); })

vnpy_bridge.py

@@ -6,7 +6,7 @@ import os
 import threading
 import time
 from collections import deque
-from typing import Any, Optional
+from typing import Any, Callable, Optional
 
 from locale_fix import ensure_process_locale
 
@@ -19,6 +19,23 @@ logger = logging.getLogger(__name__)
 
 GATEWAY_NAME = "CTP"
 
+_position_refresh_callback: Optional[Callable[[], None]] = None
+
+
+def set_position_refresh_callback(fn: Optional[Callable[[], None]]) -> None:
+    global _position_refresh_callback
+    _position_refresh_callback = fn
+
+
+def _fire_position_refresh_callback() -> None:
+    fn = _position_refresh_callback
+    if not fn:
+        return
+    try:
+        threading.Thread(target=fn, daemon=True, name="ctp-position-refresh").start()
+    except Exception as exc:
+        logger.debug("position refresh callback: %s", exc)
+
 _bridge: Optional["CtpBridge"] = None
 _bridge_lock = threading.Lock()
 
@@ -231,6 +248,7 @@ class CtpBridge:
                                 self.refresh_positions()
                             except Exception as exc:
                                 logger.debug("initial position query: %s", exc)
+                            _fire_position_refresh_callback()
                             return
                         time.sleep(0.5)
                 finally:
@@ -796,7 +814,7 @@ class CtpBridge:
         except Exception as exc:
             logger.debug("refresh_positions: %s", exc)
 
-    def list_positions(self, *, refresh_if_empty: bool = True, refresh_margin: bool = True) -> list[dict[str, Any]]:
+    def list_positions(self, *, refresh_if_empty: bool = True, refresh_margin: bool = False) -> list[dict[str, Any]]:
         if self._engine and self._connected_mode and refresh_margin:
             self.refresh_positions()
         out = self._collect_positions()
@@ -958,23 +976,23 @@ def ctp_start_connect(mode: str, *, force: bool = False) -> dict[str, Any]:
 
 
 def ctp_try_auto_reconnect(mode: str) -> bool:
-    """断线时静默重连；已连接且 ping 正常则直接返回 True。"""
+    """断线时静默异步重连；已连接且 ping 正常则直接返回 True。"""
     b = get_bridge()
     if not b.available():
         return False
     if b.connect_in_progress():
-        return False
+        return True
     st = _setting_for_mode(mode)
     if not st.get("用户名") or not st.get("密码") or not st.get("交易服务器"):
         return False
     if b.connected_mode == mode and b.ping():
         return True
-    try:
+    info = b.start_connect_async(mode, force=False)
-        b.connect(mode, force=False)
+    return bool(
-        return b.connected_mode == mode
+        info.get("connected")
-    except Exception as exc:
+        or info.get("connecting")
-        logger.info("CTP 自动重连失败: %s", exc)
+        or info.get("started")
-        return False
+    )
 
 
 def ctp_status(mode: str) -> dict[str, Any]: