vnpy/vn.demo/ltsdemo/demoApi.py

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# encoding: UTF-8
"""
该文件中包含的是交易平台的底层接口相关的部分,
主要对API进行了一定程度的简化封装方便开发。
"""
import os
from vnltsmd import MdApi
from vnltstd import *
from vnltsl2 import *
from eventEngine import *
from lts_data_type import defineDict
#----------------------------------------------------------------------
def print_dict(d):
"""打印API收到的字典该函数主要用于开发时的debug"""
print '-'*60
for key, value in d.items():
print key, ':', value
########################################################################
class DemoMdApi(MdApi):
"""
Demo中的行情API封装
封装后所有数据自动推送到事件驱动引擎中,由其负责推送到各个监听该事件的回调函数上
对用户暴露的主动函数包括:
登陆 login
订阅合约 subscribe
"""
#----------------------------------------------------------------------
def __init__(self, eventEngine):
"""
API对象的初始化函数
"""
super(DemoMdApi, self).__init__()
# 事件引擎,所有数据都推送到其中,再由事件引擎进行分发
self.__eventEngine = eventEngine
# 请求编号由api负责管理
self.__reqid = 0
# 以下变量用于实现连接和重连后的自动登陆
self.__userid = ''
self.__password = ''
self.__brokerid = ''
# 以下集合用于重连后自动订阅之前已订阅的合约,使用集合为了防止重复
self.__setSubscribed = set()
# 初始化.con文件的保存目录为\mdconnection注意这个目录必须已存在否则会报错
self.createFtdcMdApi(os.getcwd() + '\\mdconnection\\')
#----------------------------------------------------------------------
def onFrontConnected(self):
"""服务器连接"""
event = Event(type_=EVENT_LOG)
event.dict_['log'] = u'行情服务器连接成功'
self.__eventEngine.put(event)
# 如果用户已经填入了用户名等等,则自动尝试连接
if self.__userid:
req = {}
req['UserID'] = self.__userid
req['Password'] = self.__password
req['BrokerID'] = self.__brokerid
self.__reqid = self.__reqid + 1
self.reqUserLogin(req, self.__reqid)
#----------------------------------------------------------------------
def onFrontDisconnected(self, n):
"""服务器断开"""
event = Event(type_=EVENT_LOG)
event.dict_['log'] = u'行情服务器连接断开'
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onHeartBeatWarning(self, n):
"""心跳报警"""
# 因为API的心跳报警比较常被触发且与API工作关系不大因此选择忽略
pass
#----------------------------------------------------------------------
def onRspError(self, error, n, last):
"""错误回报"""
event = Event(type_=EVENT_LOG)
log = u'行情错误回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspUserLogin(self, data, error, n, last):
"""登陆回报"""
event = Event(type_=EVENT_LOG)
if error['ErrorID'] == 0:
log = u'行情服务器登陆成功'
else:
log = u'登陆回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
# 重连后自动订阅之前已经订阅过的合约
if self.__setSubscribed:
for instrument in self.__setSubscribed:
self.subscribe(instrument[0], instrument[1])
self.subscribe('510050', 'SSE')
#----------------------------------------------------------------------
def onRspUserLogout(self, data, error, n, last):
"""登出回报"""
event = Event(type_=EVENT_LOG)
if error['ErrorID'] == 0:
log = u'行情服务器登出成功'
else:
log = u'登出回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspSubMarketData(self, data, error, n, last):
"""订阅合约回报"""
# 通常不在乎订阅错误,选择忽略
pass
#----------------------------------------------------------------------
def onRspUnSubMarketData(self, data, error, n, last):
"""退订合约回报"""
# 同上
pass
#----------------------------------------------------------------------
def onRtnDepthMarketData(self, data):
"""行情推送"""
# 行情推送收到后,同时触发常规行情事件,以及特定合约行情事件,用于满足不同类型的监听
# 常规行情事件
event1 = Event(type_=EVENT_MARKETDATA)
event1.dict_['data'] = data
self.__eventEngine.put(event1)
# 特定合约行情事件
event2 = Event(type_=(EVENT_MARKETDATA_CONTRACT+data['InstrumentID']))
event2.dict_['data'] = data
self.__eventEngine.put(event2)
#----------------------------------------------------------------------
def login(self, address, userid, password, brokerid):
"""连接服务器"""
self.__userid = userid
self.__password = password
self.__brokerid = brokerid
# 注册服务器地址
self.registerFront(address)
# 初始化连接成功会调用onFrontConnected
self.init()
#----------------------------------------------------------------------
def subscribe(self, instrumentid, exchangeid):
"""订阅合约"""
req = {}
req['InstrumentID'] = instrumentid
req['ExchangeID'] = exchangeid
self.subscribeMarketData(req)
instrument = (instrumentid, exchangeid)
self.__setSubscribed.add(instrument)
########################################################################
class DemoTdApi(TdApi):
"""
Demo中的交易API封装
主动函数包括:
login 登陆
getInstrument 查询合约信息
getAccount 查询账号资金
getInvestor 查询投资者
getPosition 查询持仓
sendOrder 发单
cancelOrder 撤单
"""
#----------------------------------------------------------------------
def __init__(self, eventEngine):
"""API对象的初始化函数"""
super(DemoTdApi, self).__init__()
# 事件引擎,所有数据都推送到其中,再由事件引擎进行分发
self.__eventEngine = eventEngine
# 请求编号由api负责管理
self.__reqid = 0
# 报单编号由api负责管理
self.__orderref = 0
# 以下变量用于实现连接和重连后的自动登陆
self.__userid = ''
self.__password = ''
self.__brokerid = ''
# 合约字典(保存合约查询数据)
self.__dictInstrument = {}
# 初始化.con文件的保存目录为\tdconnection
self.createFtdcTraderApi(os.getcwd() + '\\tdconnection\\')
#----------------------------------------------------------------------
def onFrontConnected(self):
"""服务器连接"""
event = Event(type_=EVENT_LOG)
event.dict_['log'] = u'交易服务器连接成功'
self.__eventEngine.put(event)
# 如果用户已经填入了用户名等等,则自动尝试连接
if self.__userid:
req = {}
req['UserID'] = self.__userid
req['Password'] = self.__password
req['BrokerID'] = self.__brokerid
self.__reqid = self.__reqid + 1
self.reqUserLogin(req, self.__reqid)
#----------------------------------------------------------------------
def onFrontDisconnected(self, n):
"""服务器断开"""
event = Event(type_=EVENT_LOG)
event.dict_['log'] = u'交易服务器连接断开'
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onHeartBeatWarning(self, n):
"""心跳报警"""
pass
#----------------------------------------------------------------------
def onRspError(self, error, n, last):
"""错误回报"""
event = Event(type_=EVENT_LOG)
log = u'交易错误回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspUserLogin(self, data, error, n, last):
"""登陆回报"""
event = Event(type_=EVENT_LOG)
if error['ErrorID'] == 0:
log = u'交易服务器登陆成功'
else:
log = u'登陆回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
event2 = Event(type_=EVENT_TDLOGIN)
self.__eventEngine.put(event2)
#----------------------------------------------------------------------
def onRspUserLogout(self, data, error, n, last):
"""登出回报"""
event = Event(type_=EVENT_LOG)
if error['ErrorID'] == 0:
log = u'交易服务器登出成功'
else:
log = u'登出回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspOrderInsert(self, data, error, n, last):
"""发单错误(柜台)"""
event = Event(type_=EVENT_LOG)
log = u' 发单错误回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspOrderAction(self, data, error, n, last):
"""撤单错误(柜台)"""
event = Event(type_=EVENT_LOG)
log = u'撤单错误回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspUserPasswordUpdate(self, data, error, n, last):
"""用户密码更新错误"""
pass
#----------------------------------------------------------------------
def onRspTradingAccountPasswordUpdate(self, data, error, n, last):
"""交易账户密码更新错误"""
pass
#----------------------------------------------------------------------
def onRspQryExchange(self, data, error, n, last):
"""交易所查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryInstrument(self, data, error, n, last):
"""
合约查询回报
由于该回报的推送速度极快,因此不适合全部存入队列中处理,
选择先储存在一个本地字典中,全部收集完毕后再推送到队列中
(由于耗时过长目前使用其他进程读取)
"""
if error['ErrorID'] == 0:
event = Event(type_=EVENT_INSTRUMENT)
event.dict_['data'] = data
event.dict_['last'] = last
self.__eventEngine.put(event)
else:
event = Event(type_=EVENT_LOG)
log = u'合约投资者回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspQryInvestor(self, data, error, n, last):
"""投资者查询回报"""
if error['ErrorID'] == 0:
event = Event(type_=EVENT_INVESTOR)
event.dict_['data'] = data
self.__eventEngine.put(event)
else:
event = Event(type_=EVENT_LOG)
log = u'合约投资者回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspQryTradingCode(self, data, error, n, last):
"""交易编码查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryTradingAccount(self, data, error, n, last):
"""资金账户查询回报"""
if error['ErrorID'] == 0:
event = Event(type_=EVENT_ACCOUNT)
event.dict_['data'] = data
self.__eventEngine.put(event)
else:
event = Event(type_=EVENT_LOG)
log = u'账户查询回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspQryDepthMarketData(self, data, error, n, last):
"""行情查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryBondInterest(self, data, error, n, last):
"""债券利息查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryMarketRationInfo(self, data, error, n, last):
"""市值配售查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryInstrumentCommissionRate(self, data, error, n, last):
"""合约手续费查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryETFInstrument(self, data, error, n, last):
"""ETF基金查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryETFBasket(self, data, error, n, last):
"""ETF股票篮查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryOFInstrument(self, data, error, n, last):
"""OF合约查询回报"""
pass
#----------------------------------------------------------------------
def onRspQrySFInstrument(self, data, error, n, last):
"""SF合约查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryOrder(self, data, error, n, last):
"""报单查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryTrade(self, data, error, n, last):
"""成交查询回报"""
pass
#----------------------------------------------------------------------
def onRspQryInvestorPosition(self, data, error, n, last):
"""持仓查询回报"""
if error['ErrorID'] == 0:
event = Event(type_=EVENT_POSITION)
event.dict_['data'] = data
self.__eventEngine.put(event)
else:
event = Event(type_=EVENT_LOG)
log = u'持仓查询回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRtnOrder(self, data):
"""报单回报"""
# 更新最大报单编号
newref = data['OrderRef']
self.__orderref = max(self.__orderref, int(newref))
# 常规报单事件
event1 = Event(type_=EVENT_ORDER)
event1.dict_['data'] = data
self.__eventEngine.put(event1)
# 特定合约行情事件
event2 = Event(type_=(EVENT_ORDER_ORDERREF+data['OrderRef']))
event2.dict_['data'] = data
self.__eventEngine.put(event2)
#----------------------------------------------------------------------
def onRtnTrade(self, data):
"""成交回报"""
# 常规成交事件
event1 = Event(type_=EVENT_TRADE)
event1.dict_['data'] = data
self.__eventEngine.put(event1)
# 特定合约成交事件
event2 = Event(type_=(EVENT_TRADE_CONTRACT+data['InstrumentID']))
event2.dict_['data'] = data
self.__eventEngine.put(event2)
#----------------------------------------------------------------------
def onErrRtnOrderInsert(self, data, error):
"""发单错误回报(交易所)"""
event = Event(type_=EVENT_LOG)
log = u'发单错误回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onErrRtnOrderAction(self, data, error):
"""撤单错误回报(交易所)"""
event = Event(type_=EVENT_LOG)
log = u'撤单错误回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspFundOutByLiber(self, data, error, n, last):
"""LTS发起出金应答"""
pass
#----------------------------------------------------------------------
def onRtnFundOutByLiber(self, data):
"""LTS发起出金通知"""
pass
#----------------------------------------------------------------------
def onErrRtnFundOutByLiber(self, data, error):
"""LTS发起出金错误回报"""
pass
#----------------------------------------------------------------------
def onRtnFundInByBank(self, data):
"""银行发起入金通知"""
pass
#----------------------------------------------------------------------
def onRspQryFundTransferSerial(self, data, error, n, last):
"""资金转账查询应答"""
pass
#----------------------------------------------------------------------
def onRspFundInterTransfer(self, data, error, n, last):
"""资金内转应答"""
pass
#----------------------------------------------------------------------
def onRspQryFundInterTransferSerial(self, data, error, n, last):
"""资金内转流水查询应答"""
pass
#----------------------------------------------------------------------
def onRtnFundInterTransferSerial(self, data):
"""资金内转流水通知"""
pass
#----------------------------------------------------------------------
def onErrRtnFundInterTransfer(self, data, error):
"""资金内转错误回报"""
pass
#----------------------------------------------------------------------
def login(self, address, userid, password, brokerid):
"""连接服务器"""
self.__userid = userid
self.__password = password
self.__brokerid = brokerid
# 数据重传模式设为从本日开始
self.subscribePrivateTopic(0)
self.subscribePublicTopic(0)
# 注册服务器地址
self.registerFront(address)
# 初始化连接成功会调用onFrontConnected
self.init()
#----------------------------------------------------------------------
def getInstrument(self):
"""查询合约"""
self.__reqid = self.__reqid + 1
self.reqQryInstrument({}, self.__reqid)
#----------------------------------------------------------------------
def getAccount(self):
"""查询账户"""
self.__reqid = self.__reqid + 1
self.reqQryTradingAccount({}, self.__reqid)
#----------------------------------------------------------------------
def getInvestor(self):
"""查询投资者"""
self.__reqid = self.__reqid + 1
self.reqQryInvestor({}, self.__reqid)
#----------------------------------------------------------------------
def getPosition(self):
"""查询持仓"""
self.__reqid = self.__reqid + 1
req = {}
req['BrokerID'] = self.__brokerid
req['InvestorID'] = self.__userid
self.reqQryInvestorPosition(req, self.__reqid)
#----------------------------------------------------------------------
def sendOrder(self, instrumentid, exchangeid, price, pricetype, volume, direction, offset):
"""发单"""
self.__reqid = self.__reqid + 1
req = {}
req['InstrumentID'] = instrumentid
req['ExchangeID'] = exchangeid
req['OrderPriceType'] = pricetype
req['LimitPrice'] = price
req['VolumeTotalOriginal'] = volume
req['Direction'] = direction
req['CombOffsetFlag'] = offset
self.__orderref = self.__orderref + 1
req['OrderRef'] = str(self.__orderref)
req['InvestorID'] = self.__userid
req['UserID'] = self.__userid
req['BrokerID'] = self.__brokerid
req['CombHedgeFlag'] = defineDict['SECURITY_FTDC_HF_Speculation'] # 投机单
req['ContingentCondition'] = defineDict['SECURITY_FTDC_CC_Immediately'] # 立即发单
req['ForceCloseReason'] = defineDict['SECURITY_FTDC_FCC_NotForceClose'] # 非强平
req['IsAutoSuspend'] = 0 # 非自动挂起
req['UserForceClose'] = 0 # 非强平
req['TimeCondition'] = defineDict['SECURITY_FTDC_TC_GFD'] # 今日有效
req['VolumeCondition'] = defineDict['SECURITY_FTDC_VC_AV'] # 任意成交量
req['MinVolume'] = 1 # 最小成交量为1
self.reqOrderInsert(req, self.__reqid)
# 返回订单号,便于某些算法进行动态管理
return self.__orderref
#----------------------------------------------------------------------
def cancelOrder(self, instrumentid, exchangeid, orderref, frontid, sessionid):
"""撤单"""
self.__reqid = self.__reqid + 1
req = {}
req['InstrumentID'] = instrumentid
req['ExchangeID'] = exchangeid
req['OrderRef'] = orderref
req['FrontID'] = frontid
req['SessionID'] = sessionid
req['ActionFlag'] = defineDict['SECURITY_FTDC_AF_Delete']
req['BrokerID'] = self.__brokerid
req['InvestorID'] = self.__userid
self.reqOrderAction(req, self.__reqid)
########################################################################
class DemoL2Api(L2MdApi):
"""
L2行情API
"""
#----------------------------------------------------------------------
def __init__(self, eventEngine):
"""API对象的初始化函数"""
super(DemoL2Api, self).__init__()
# 事件引擎,所有数据都推送到其中,再由事件引擎进行分发
self.__eventEngine = eventEngine
# 请求编号由api负责管理
self.__reqid = 0
# 以下变量用于实现连接和重连后的自动登陆
self.__userid = ''
self.__password = ''
self.__brokerid = ''
# 以下集合用于重连后自动订阅之前已订阅的合约,使用集合为了防止重复
self.__setSubscribed = set()
# 初始化.con文件的保存目录为/mdconnection
self.createFtdcMdApi(os.getcwd() + '\\l2connection\\')
#----------------------------------------------------------------------
def onFrontConnected(self):
"""服务器连接"""
event = Event(type_=EVENT_LOG)
event.dict_['log'] = u'L2行情服务器连接成功'
self.__eventEngine.put(event)
# 如果用户已经填入了用户名等等,则自动尝试连接
if self.__userid:
req = {}
req['UserID'] = self.__userid
req['Password'] = self.__password
req['BrokerID'] = self.__brokerid
self.__reqid = self.__reqid + 1
self.reqUserLogin(req, self.__reqid)
#----------------------------------------------------------------------
def onFrontDisconnected(self, n):
"""服务器断开"""
event = Event(type_=EVENT_LOG)
event.dict_['log'] = u'L2行情服务器连接断开'
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onHeartBeatWarning(self, n):
"""心跳报警"""
# 因为API的心跳报警比较常被触发且与API工作关系不大因此选择忽略
pass
#----------------------------------------------------------------------
def onRspError(self, error, n, last):
"""错误回报"""
event = Event(type_=EVENT_LOG)
log = u'L2行情错误回报错误代码' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspUserLogin(self, data, error, n, last):
"""登陆回报"""
event = Event(type_=EVENT_LOG)
if error['ErrorID'] == 0:
log = u'L2行情服务器登陆成功'
else:
log = u'登陆回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
# 重连后自动订阅之前已经订阅过的合约
if self.__setSubscribed:
for instrument in self.__setSubscribed:
self.subscribe(instrument[0], instrument[1])
#----------------------------------------------------------------------
def onRspUserLogout(self, data, error, n, last):
"""登出回报"""
event = Event(type_=EVENT_LOG)
if error['ErrorID'] == 0:
log = u'L2行情服务器登出成功'
else:
log = u'登出回报,错误代码:' + unicode(error['ErrorID']) + u',' + u'错误信息:' + error['ErrorMsg'].decode('gbk')
event.dict_['log'] = log
self.__eventEngine.put(event)
#----------------------------------------------------------------------
def onRspSubL2MarketData(self, data, error, n, last):
"""订阅L2合约回报"""
# 通常不在乎订阅错误,选择忽略
pass
#----------------------------------------------------------------------
def onRspUnSubL2MarketData(self, data, error, n, last):
"""退订L2合约回报"""
# 同上
pass
#----------------------------------------------------------------------
def onRspSubL2Index(self, data, error, n, last):
"""订阅L2指数回报"""
# 通常不在乎订阅错误,选择忽略
pass
#----------------------------------------------------------------------
def onRspUnSubL2Index(self, data, error, n, last):
"""退订L2指数回报"""
# 同上
pass
#----------------------------------------------------------------------
def onRtnL2MarketData(self, data):
"""L2行情推送"""
# 常规行情事件
event1 = Event(type_=EVENT_MARKETDATA)
event1.dict_['data'] = data
self.__eventEngine.put(event1)
# 特定合约行情事件
event2 = Event(type_=(EVENT_MARKETDATA_CONTRACT+data['InstrumentID']))
event2.dict_['data'] = data
self.__eventEngine.put(event2)
#----------------------------------------------------------------------
def onRtnL2Index(self, data):
"""L2指数行情推送"""
pass
#----------------------------------------------------------------------
def onRtnL2Order(self, data):
"""L2订单推送"""
pass
#----------------------------------------------------------------------
def onRtnL2Trade(self, data):
"""L2成交推送"""
pass
#----------------------------------------------------------------------
def onRspSubL2OrderAndTrade(self, error, n, last):
"""订阅L2订单、成交回报"""
pass
#----------------------------------------------------------------------
def onRspUnSubL2OrderAndTrade(self, error, n, last):
"""退订L2订单、成交回报"""
pass
#----------------------------------------------------------------------
def onNtfCheckOrderList(self, instrumentID, functionID):
"""通知清理SSE买卖一队列中数量为0的报单"""
pass
#----------------------------------------------------------------------
def login(self, address, userid, password, brokerid):
"""连接服务器"""
self.__userid = userid
self.__password = password
self.__brokerid = brokerid
# 注册服务器地址
self.registerFront(address)
# 初始化连接成功会调用onFrontConnected
self.init()
#----------------------------------------------------------------------
def subscribe(self, instrumentid, exchangeid):
"""订阅合约"""
req = {}
req['InstrumentID'] = instrumentid
req['ExchangeID'] = exchangeid
self.subscribeL2MarketData(req)
instrument = (instrumentid, exchangeid)
self.__setSubscribed.add(instrument)