vnpy/vn.trader/vtEngine.py

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# encoding: UTF-8
# import shelve
from collections import OrderedDict
from datetime import datetime
from pymongo import MongoClient
from pymongo.errors import ConnectionFailure
from eventEngine import *
from vtGateway import *
from vtFunction import loadMongoSetting
from language import text
from gateway import GATEWAY_DICT
from ctaStrategy.ctaEngine import CtaEngine
from dataRecorder.drEngine import DrEngine
from riskManager.rmEngine import RmEngine
########################################################################
class MainEngine(object):
"""主引擎"""
#----------------------------------------------------------------------
def __init__(self):
"""Constructor"""
# 记录今日日期
self.todayDate = datetime.now().strftime('%Y%m%d')
# 创建事件引擎
self.eventEngine = EventEngine2()
self.eventEngine.start()
# 创建数据引擎
self.dataEngine = DataEngine(self.eventEngine)
# MongoDB数据库相关
self.dbClient = None # MongoDB客户端对象
# 调用一个个初始化函数
self.initGateway()
# 扩展模块
self.ctaEngine = CtaEngine(self, self.eventEngine)
self.drEngine = DrEngine(self, self.eventEngine)
self.rmEngine = RmEngine(self, self.eventEngine)
#----------------------------------------------------------------------
def initGateway(self):
"""初始化接口对象"""
# 用来保存接口对象的字典
self.gatewayDict = OrderedDict()
# 遍历接口字典并自动创建所有的接口对象
for gatewayModule in GATEWAY_DICT.values():
try:
self.addGateway(gatewayModule.gateway, gatewayModule.gatewayName)
if gatewayModule.gatewayQryEnabled:
self.gatewayDict[gatewayModule.gatewayName].setQryEnabled(True)
except Exception, e:
print e
#----------------------------------------------------------------------
def addGateway(self, gateway, gatewayName=None):
"""创建接口"""
self.gatewayDict[gatewayName] = gateway(self.eventEngine, gatewayName)
#----------------------------------------------------------------------
def connect(self, gatewayName):
"""连接特定名称的接口"""
if gatewayName in self.gatewayDict:
gateway = self.gatewayDict[gatewayName]
gateway.connect()
# 接口连接后自动执行数据库连接的任务
self.dbConnect()
else:
self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
#----------------------------------------------------------------------
def subscribe(self, subscribeReq, gatewayName):
"""订阅特定接口的行情"""
if gatewayName in self.gatewayDict:
gateway = self.gatewayDict[gatewayName]
gateway.subscribe(subscribeReq)
else:
self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
#----------------------------------------------------------------------
def sendOrder(self, orderReq, gatewayName):
"""对特定接口发单"""
# 如果风控检查失败则不发单
if not self.rmEngine.checkRisk(orderReq):
return ''
if gatewayName in self.gatewayDict:
gateway = self.gatewayDict[gatewayName]
return gateway.sendOrder(orderReq)
else:
self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
#----------------------------------------------------------------------
def cancelOrder(self, cancelOrderReq, gatewayName):
"""对特定接口撤单"""
if gatewayName in self.gatewayDict:
gateway = self.gatewayDict[gatewayName]
gateway.cancelOrder(cancelOrderReq)
else:
self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
#----------------------------------------------------------------------
def qryAccount(self, gatewayName):
"""查询特定接口的账户"""
if gatewayName in self.gatewayDict:
gateway = self.gatewayDict[gatewayName]
gateway.qryAccount()
else:
self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
#----------------------------------------------------------------------
def qryPosition(self, gatewayName):
"""查询特定接口的持仓"""
if gatewayName in self.gatewayDict:
gateway = self.gatewayDict[gatewayName]
gateway.qryPosition()
else:
self.writeLog(text.GATEWAY_NOT_EXIST.format(gateway=gatewayName))
#----------------------------------------------------------------------
def exit(self):
"""退出程序前调用,保证正常退出"""
# 安全关闭所有接口
for gateway in self.gatewayDict.values():
gateway.close()
# 停止事件引擎
self.eventEngine.stop()
# 停止数据记录引擎
self.drEngine.stop()
# 保存数据引擎里的合约数据到硬盘
self.dataEngine.saveContracts()
#----------------------------------------------------------------------
def writeLog(self, content):
"""快速发出日志事件"""
log = VtLogData()
log.logContent = content
event = Event(type_=EVENT_LOG)
event.dict_['data'] = log
self.eventEngine.put(event)
#----------------------------------------------------------------------
def dbConnect(self):
"""连接MongoDB数据库"""
if not self.dbClient:
# 读取MongoDB的设置
host, port, logging = loadMongoSetting()
try:
# 设置MongoDB操作的超时时间为0.5秒
self.dbClient = MongoClient(host, port, connectTimeoutMS=500)
# 调用server_info查询服务器状态防止服务器异常并未连接成功
self.dbClient.server_info()
self.writeLog(text.DATABASE_CONNECTING_COMPLETED)
# 如果启动日志记录,则注册日志事件监听函数
if logging:
self.eventEngine.register(EVENT_LOG, self.dbLogging)
except ConnectionFailure:
self.writeLog(text.DATABASE_CONNECTING_FAILED)
#----------------------------------------------------------------------
def dbInsert(self, dbName, collectionName, d):
"""向MongoDB中插入数据d是具体数据"""
if self.dbClient:
db = self.dbClient[dbName]
collection = db[collectionName]
collection.insert_one(d)
else:
self.writeLog(text.DATA_INSERT_FAILED)
#----------------------------------------------------------------------
def dbQuery(self, dbName, collectionName, d):
"""从MongoDB中读取数据d是查询要求返回的是数据库查询的指针"""
if self.dbClient:
db = self.dbClient[dbName]
collection = db[collectionName]
cursor = collection.find(d)
if cursor:
return list(cursor)
else:
return []
else:
self.writeLog(text.DATA_QUERY_FAILED)
return []
#----------------------------------------------------------------------
def dbUpdate(self, dbName, collectionName, d, flt, upsert=False):
"""向MongoDB中更新数据d是具体数据flt是过滤条件upsert代表若无是否要插入"""
if self.dbClient:
db = self.dbClient[dbName]
collection = db[collectionName]
collection.replace_one(flt, d, upsert)
else:
self.writeLog(text.DATA_UPDATE_FAILED)
#----------------------------------------------------------------------
def dbLogging(self, event):
"""向MongoDB中插入日志"""
log = event.dict_['data']
d = {
'content': log.logContent,
'time': log.logTime,
'gateway': log.gatewayName
}
self.dbInsert(LOG_DB_NAME, self.todayDate, d)
#----------------------------------------------------------------------
def getContract(self, vtSymbol):
"""查询合约"""
return self.dataEngine.getContract(vtSymbol)
#----------------------------------------------------------------------
def getAllContracts(self):
"""查询所有合约(返回列表)"""
return self.dataEngine.getAllContracts()
#----------------------------------------------------------------------
def getOrder(self, vtOrderID):
"""查询委托"""
return self.dataEngine.getOrder(vtOrderID)
#----------------------------------------------------------------------
def getAllWorkingOrders(self):
"""查询所有的活跃的委托(返回列表)"""
return self.dataEngine.getAllWorkingOrders()
#----------------------------------------------------------------------
def getAllGatewayNames(self):
"""查询引擎中所有可用接口的名称"""
return self.gatewayDict.keys()
# ----------------------------------------------------------------------
def getGateway4sysMenu(self):
"""
:return:
"""
toDict = lambda g: {
'gatewayType': g.gatewayType,
'gatewayName': g.gatewayName,
'gatewayDisplayName': g.gatewayDisplayName,
}
return [
toDict(g) for g in GATEWAY_DICT.values() if hasattr(g, 'gatewayType')
]
########################################################################
class DataEngine(object):
"""数据引擎"""
contractFileName = 'ContractData.vt'
#----------------------------------------------------------------------
def __init__(self, eventEngine):
"""Constructor"""
self.eventEngine = eventEngine
# 保存合约详细信息的字典
self.contractDict = {}
# 保存委托数据的字典
self.orderDict = {}
# 保存活动委托数据的字典(即可撤销)
self.workingOrderDict = {}
# 读取保存在硬盘的合约数据
self.loadContracts()
# 注册事件监听
self.registerEvent()
#----------------------------------------------------------------------
def updateContract(self, event):
"""更新合约数据"""
contract = event.dict_['data']
self.contractDict[contract.vtSymbol] = contract
self.contractDict[contract.symbol] = contract # 使用常规代码(不包括交易所)可能导致重复
#----------------------------------------------------------------------
def getContract(self, vtSymbol):
"""查询合约对象"""
try:
return self.contractDict[vtSymbol]
except KeyError:
return None
#----------------------------------------------------------------------
def getAllContracts(self):
"""查询所有合约对象(返回列表)"""
return self.contractDict.values()
#----------------------------------------------------------------------
def saveContracts(self):
"""保存所有合约对象到硬盘"""
pass
# f = shelve.open(self.contractFileName)
# f['data'] = self.contractDict
# f.close()
#----------------------------------------------------------------------
def loadContracts(self):
"""从硬盘读取合约对象"""
pass
# f = shelve.open(self.contractFileName)
# if 'data' in f:
# d = f['data']
# for key, value in d.items():
# self.contractDict[key] = value
# f.close()
#----------------------------------------------------------------------
def updateOrder(self, event):
"""更新委托数据"""
order = event.dict_['data']
self.orderDict[order.vtOrderID] = order
# 如果订单的状态是全部成交或者撤销则需要从workingOrderDict中移除
if order.status == STATUS_ALLTRADED or order.status == STATUS_CANCELLED:
if order.vtOrderID in self.workingOrderDict:
del self.workingOrderDict[order.vtOrderID]
# 否则则更新字典中的数据
else:
self.workingOrderDict[order.vtOrderID] = order
#----------------------------------------------------------------------
def getOrder(self, vtOrderID):
"""查询委托"""
try:
return self.orderDict[vtOrderID]
except KeyError:
return None
#----------------------------------------------------------------------
def getAllWorkingOrders(self):
"""查询所有活动委托(返回列表)"""
return self.workingOrderDict.values()
#----------------------------------------------------------------------
def registerEvent(self):
"""注册事件监听"""
self.eventEngine.register(EVENT_CONTRACT, self.updateContract)
self.eventEngine.register(EVENT_ORDER, self.updateOrder)