解决simnow经常出现的未初始化异常。交易时间定时判断MD/TD是否连接。

vn.trader/gateway/ctpGateway/ctpGateway.py

@@ -117,7 +117,6 @@ class CtpGateway(VtGateway):
             f = file(fileName)
         except IOError:
             self.writeLog(text.LOADING_ERROR)
-
             return
 
         # 解析json文件
@@ -173,16 +172,28 @@ class CtpGateway(VtGateway):
     #----------------------------------------------------------------------
     def qryAccount(self):
         """查询账户资金"""
-        if self.tdApi is not None:
+        if self.tdApi is None:
-            self.tdApi.qryAccount()
+            self.tdConnected = False
-        
+            return
+        self.tdApi.qryAccount()
+
     #----------------------------------------------------------------------
     def qryPosition(self):
         """查询持仓"""
         if self.tdApi is None:
+            self.mdConnected = False
             return
         self.tdApi.qryPosition()
-        
+
+    def checkStatus(self):
+        """查询md/td的状态"""
+        if self.tdApi is None or self.mdApi is None:
+            return False
+
+        if not self.tdConnected or not self.mdConnected:
+            return False
+
+        return True
     #----------------------------------------------------------------------
     def close(self):
         """关闭"""
@@ -190,11 +201,13 @@ class CtpGateway(VtGateway):
             tmp1 = self.mdApi
             self.mdApi = None
             tmp1.close()
+            self.mdConnected = False
 
         if self.tdConnected and self.tdApi is not None:
             tmp2 = self.tdApi
             self.tdApi = None
             tmp2.close()
+            self.tdConnected = False
 
         self.writeLog(u'主动断开连接')
         
@@ -560,7 +573,8 @@ class CtpTdApi(TdApi):
             self.gateway.tdConnected = True
             
             self.writeLog(text.TRADING_SERVER_LOGIN)
-            
+
+
             # 确认结算信息
             req = {}
             req['BrokerID'] = self.brokerID

vn.trader/noUiMain.py

@@ -32,13 +32,15 @@ class NoUiMain(object):
         # gateway 是否连接
         self.connected = False
         # gateway 的连接名称，在vtEngine.initGateway()里面定义，对应的配置文件是 "连接名称_connect.json"，
-        self.gateway_name = 'CTP_EBF'
+        self.gateway_name = 'CTP'
         # 启动的策略实例，须在catAlgo/CtaSetting.json 里面定义  [u'S28_RB1001', u'S28_TFT', u'S28_HCRB',u'atr_rsi']
         self.strategies = [u'S28_HCRB']
 
         self.g_count = 0
 
-        # 实例化主引擎
+        self.last_dt = datetime.now()
+
+        # 实例化 主引擎
         print u'instance mainengine'
         self.mainEngine = MainEngine()
 
@@ -64,28 +66,44 @@ class NoUiMain(object):
 
         # 十秒才执行一次检查
         self.g_count += 1
-        if self.g_count <= 10:
+        if self.g_count <= 20:
             return
         self.g_count = 0
-        print u'noUiMain.py checkpoint:{0}'.format(datetime.now())
+        dt = datetime.now()
+        if dt.hour != self.last_dt.hour:
+            self.last_dt = dt
+            self.mainEngine.writeLog( u'noUiMain.py checkpoint:{0}'.format(dt))
 
         # 定时断开
         if self.trade_off():
+            """非交易时间"""
             if self.connected:
-                self.disconnect()
                 self.mainEngine.writeLog(u'断开连接{0}'.format(self.gateway_name))
+                self.disconnect()
                 self.mainEngine.writeLog(u'清空数据引擎')
                 self.mainEngine.clearData()
                 self.connected = False
             return
 
-        # 定时重连
+        # 交易时间内，定时重连和检查
         if not self.connected:
+            self.mainEngine.writeLog(u'启动连接{0}'.format(self.gateway_name))
             self.mainEngine.writeLog(u'清空数据引擎')
             self.mainEngine.clearData()
             self.mainEngine.writeLog(u'重新连接{0}'.format(self.gateway_name))
             self.mainEngine.connect(self.gateway_name)
             self.connected = True
+            return
+        else:
+            if not self.mainEngine.checkGatewayStatus(self.gateway_name):
+                self.mainEngine.writeLog(u'检查连接{0}异常，重新启动连接'.format(self.gateway_name))
+                self.mainEngine.writeLog(u'断开连接{0}'.format(self.gateway_name))
+                self.disconnect()
+                self.mainEngine.writeLog(u'清空数据引擎')
+                self.mainEngine.clearData()
+                self.mainEngine.writeLog(u'重新连接{0}'.format(self.gateway_name))
+                self.mainEngine.connect(self.gateway_name)
+                self.connected = True
 
     def Start(self):
         """启动"""

vn.trader/vtEngine.py

@@ -86,6 +86,16 @@ class MainEngine(object):
         else:
             self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
 
+    def checkGatewayStatus(self,gatewayName):
+        """check gateway connect status"""
+        if gatewayName in self.gatewayDict:
+            gateway = self.gatewayDict[gatewayName]
+            return gateway.checkStatus()
+
+        else:
+            self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
+            return False
+
     # ----------------------------------------------------------------------
     def subscribe(self, subscribeReq, gatewayName):
         """订阅特定接口的行情"""

vn.trader/vtGateway.py

@@ -145,7 +145,11 @@ class VtGateway(object):
     def qryPosition(self):
         """查询持仓"""
         pass
-    
+
+    def checkStatus(self):
+        """查询状态"""
+        return True
+
     # ----------------------------------------------------------------------
     def close(self):
         """关闭"""