CTP开发（2）行情模块的开发-Toy模板网

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我在做CTP开发之前，也参考了不少其他的资料，发现他们都是把行情和交易做在同一个工程里的。我呢之前也做过期货相关的交易平台，感觉这种把行情和交易做在一起的方法缺乏可扩展性。比如我开了多个CTP账户，要同时交易，这种做在一起的方法就很难实现；另外，如果我还要接入其他的交易所，该怎么接？

下面是我的软件架构图：

为了便于说明CTP行情、交易的开发，这个架构图是最初始版的。以后会在这个基础上进行深化，开发成可以实战的可扩展的交易平台。

理论上，1个CTP账号可以在6个地方进行多点登录；另外在实战中，有的客户会有多个CTP账号同时进行量化交易。所以，这个软件架构图是能满足多CTP账号同时交易的要求的。

1、类文件说明

（1）CTPMdSpi.h、CTPMdSpi.cpp

继承CThostFtdcMdSpi类，里面实现所有的回调函数，是最重要的类。

（2）MarketL1Core.h、MarketL1Core.cpp

主类，里面包含着程序调用的主要逻辑关系。

（3）Main.cpp

写main()函数的类。

2、代码说明

（1）CTPMdSpi.h

#pragma once

#include <string>
#include <vector>

#include "ctp/ThostFtdcMdApi.h"

class CTPMdSpi : public CThostFtdcMdSpi
{
public:
	CTPMdSpi() = default;
	~CTPMdSpi() = default;

	///当客户端与交易后台建立起通信连接时（还未登录前），该方法被调用。
	virtual void OnFrontConnected();
	
	///当客户端与交易后台通信连接断开时，该方法被调用。当发生这个情况后，API会自动重新连接，客户端可不做处理。
	///@param nReason 错误原因
	///        0x1001 网络读失败
	///        0x1002 网络写失败
	///        0x2001 接收心跳超时
	///        0x2002 发送心跳失败
	///        0x2003 收到错误报文
	virtual void OnFrontDisconnected(int nReason);
		
	///心跳超时警告。当长时间未收到报文时，该方法被调用。
	///@param nTimeLapse 距离上次接收报文的时间
	virtual void OnHeartBeatWarning(int nTimeLapse);
	
	///登录请求响应
	virtual void OnRspUserLogin(CThostFtdcRspUserLoginField *pRspUserLogin, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///登出请求响应
	virtual void OnRspUserLogout(CThostFtdcUserLogoutField *pUserLogout, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///请求查询组播合约响应
	virtual void OnRspQryMulticastInstrument(CThostFtdcMulticastInstrumentField *pMulticastInstrument, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///错误应答
	virtual void OnRspError(CThostFtdcRspInfoField *pRspInfo, int nRequestID, bool bIsLast);

	///订阅行情应答
	virtual void OnRspSubMarketData(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///取消订阅行情应答
	virtual void OnRspUnSubMarketData(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///订阅询价应答
	virtual void OnRspSubForQuoteRsp(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///取消订阅询价应答
	virtual void OnRspUnSubForQuoteRsp(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
							CThostFtdcRspInfoField *pRspInfo, 
							int nRequestID, 
							bool bIsLast);

	///深度行情通知
	virtual void OnRtnDepthMarketData(CThostFtdcDepthMarketDataField *pDepthMarketData);

	///询价通知
	virtual void OnRtnForQuoteRsp(CThostFtdcForQuoteRspField *pForQuoteRsp);

private:
	void ReqUserLogin();
	void SubscribeMarketData();
    bool IsErrorRspInfo(CThostFtdcRspInfoField *pRspInfo);

private:
    static int iRequestID;
};

（2）CTPMdSpi.cpp

#include <iostream>
#include <fstream>
#include <string.h>
#include <chrono>
#include <thread>

#include "CTPMdSpi.h"

using namespace std;

int CTPMdSpi::iRequestID = 0;

extern CThostFtdcMdApi *g_pMdApi;
extern std::string g_brokerId;
extern std::string g_userId;
extern std::string g_password;
extern std::vector<std::string> *g_pInstrumentIds;

//----------------------------- private methods ------------------------------
void CTPMdSpi::ReqUserLogin(){
	std::cout<<"ReqUserLogin g_brokerId:"<<g_brokerId<<" ,g_userId:"<<g_userId<<", g_password"<<g_password<<std::endl;
	CThostFtdcReqUserLoginField req;
	memset(&req, 0, sizeof(req));
	strcpy(req.BrokerID, g_brokerId.c_str());
	strcpy(req.UserID, g_userId.c_str());
	strcpy(req.Password, g_password.c_str());

	int iResult = g_pMdApi->ReqUserLogin(&req, ++iRequestID);
	cerr << "--->>> Req user Lgoin: " << ((iResult == 0) ? "Success" : "Fail") << endl;
}

void CTPMdSpi::SubscribeMarketData(){
	
	int len = g_pInstrumentIds->size();
	cout<<"SubscribeMarketData len:"<<len<<endl;

    char** ppInstrumentID = new char*[len];
    
    int index = 0;
    vector<string>::iterator it;
    for (it = g_pInstrumentIds->begin(); it != g_pInstrumentIds->end(); it++){
        *(ppInstrumentID + index) = (char*)it->c_str();
        std::cout<<"InstrumentID index["<<index<<"] : "<<*(ppInstrumentID + index)<<endl;
        index ++;
    }

	int iResult0 = g_pMdApi->UnSubscribeMarketData(ppInstrumentID, len);
	cerr << "--->>> UnSubscribeMarketData: " << ((iResult0 == 0) ? "Success" : "Fail") << endl;
	std::this_thread::sleep_for(std::chrono::seconds(1));
	int iResult = g_pMdApi->SubscribeMarketData(ppInstrumentID, len);
	cerr << "--->>> SubscribeMarketData: " << ((iResult == 0) ? "Success" : "Fail") << endl;

    delete[] ppInstrumentID;
}

bool CTPMdSpi::IsErrorRspInfo(CThostFtdcRspInfoField *pRspInfo){
	// 如果ErrorID != 0, 说明收到了错误的响应
	bool bResult = ((pRspInfo) && (pRspInfo->ErrorID != 0));
	if (bResult)
		cerr << "--->>> ErrorID=" << pRspInfo->ErrorID << ", ErrorMsg=" << pRspInfo->ErrorMsg << endl;
	return bResult;
}

//----------------------------- public methods -------------------------------

///当客户端与交易后台建立起通信连接时（还未登录前），该方法被调用。
void CTPMdSpi::OnFrontConnected(){
    std::cout << "=====FrontConnected Success=====" << std::endl;
    ReqUserLogin();
}

///当客户端与交易后台通信连接断开时，该方法被调用。当发生这个情况后，API会自动重新连接，客户端可不做处理。
///@param nReason 错误原因
///        0x1001 网络读失败
///        0x1002 网络写失败
///        0x2001 接收心跳超时
///        0x2002 发送心跳失败
///        0x2003 收到错误报文
void CTPMdSpi::OnFrontDisconnected(int nReason){
	std::cerr << "=====FrontDisconnected=====" << std::endl;
	std::cerr << "ErrorCode: " << nReason << std::endl;
}
	
///心跳超时警告。当长时间未收到报文时，该方法被调用。
///@param nTimeLapse 距离上次接收报文的时间
void CTPMdSpi::OnHeartBeatWarning(int nTimeLapse){
	std::cerr << "=====HeartBeat Timeout=====" << std::endl;
	std::cerr << "Timeout lap: " << nTimeLapse << std::endl;
}

///登录请求响应
void CTPMdSpi::OnRspUserLogin(CThostFtdcRspUserLoginField *pRspUserLogin, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){
	if (bIsLast && !IsErrorRspInfo(pRspInfo)){
		std::cout << "=====OnRspUserLogin success=====" << std::endl;
		std::cout << "TradingDay: " << pRspUserLogin->TradingDay << std::endl;
		std::cout << "LoginTime: " << pRspUserLogin->LoginTime << std::endl;
		std::cout << "BrokerID: " << pRspUserLogin->BrokerID << std::endl;
		std::cout << "UserID: " << pRspUserLogin->UserID << std::endl;

		///获取当前交易日
		cerr << "--->>> GetTradingDay: " << g_pMdApi->GetTradingDay() << endl;

		// 请求订阅行情
		SubscribeMarketData();
	}
}

///登出请求响应
void CTPMdSpi::OnRspUserLogout(CThostFtdcUserLogoutField *pUserLogout, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){

}

///请求查询组播合约响应
void CTPMdSpi::OnRspQryMulticastInstrument(CThostFtdcMulticastInstrumentField *pMulticastInstrument, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){

}

///错误应答
void CTPMdSpi::OnRspError(CThostFtdcRspInfoField *pRspInfo, int nRequestID, bool bIsLast){
    IsErrorRspInfo(pRspInfo);
}

///订阅行情应答
void CTPMdSpi::OnRspSubMarketData(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){
    if (bIsLast && !IsErrorRspInfo(pRspInfo)){
    	cout<< "--->>> OnRspSubMarketData: " <<pSpecificInstrument->InstrumentID<<" Success"<<endl;

		char filePath[100] = { '\0' };
		sprintf(filePath, ".//sql_data//%s_market_data.csv", pSpecificInstrument->InstrumentID);
		std::ofstream outFile;
		outFile.open(filePath, std::ios::out); // 新开文件
		outFile << "InstrumentID" << ","
			<< "UpdateTime" << ","
			<< "LastPrice" << ","
			<< "Volume" << ","
			<< "BidPrice1" << ","
			<< "BidVolume1" << ","
			<< "AskPrice1" << ","
			<< "AskVolume1" << ","
			<< "OpenInterest" << ","
			<< "Turnover"
			<< std::endl;

		outFile.close();
    }
}

///取消订阅行情应答
void CTPMdSpi::OnRspUnSubMarketData(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){

}

///订阅询价应答
void CTPMdSpi::OnRspSubForQuoteRsp(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){

}

///取消订阅询价应答
void CTPMdSpi::OnRspUnSubForQuoteRsp(CThostFtdcSpecificInstrumentField *pSpecificInstrument, 
						CThostFtdcRspInfoField *pRspInfo, 
						int nRequestID, 
						bool bIsLast){

}

///深度行情通知
void CTPMdSpi::OnRtnDepthMarketData(CThostFtdcDepthMarketDataField *pDepthMarketData){

    // 生成5档盘口和成交数据
	std::cout << "=====OnRtnDepthMarketData=====" << std::endl;
	std::cout << "TradingDay: " << pDepthMarketData->TradingDay << std::endl;
	std::cout << "ExchangeID: " << pDepthMarketData->ExchangeID << std::endl;
	std::cout << "InstrumentID: " << pDepthMarketData->InstrumentID << std::endl;
	std::cout << "ExchangeInstID: " << pDepthMarketData->ExchangeInstID << std::endl; //合约在交易所的代码
	std::cout << "LastPrice: " << pDepthMarketData->LastPrice << std::endl;
	std::cout << "Volume: " << pDepthMarketData->Volume << std::endl;
    
    //生成Tick数据

	// 将行情写入到csv文件中
	// 如果只获取某一个合约行情，可以逐tick地存入文件或数据库
	char filePath[100] = { '\0' };
	sprintf(filePath, ".//sql_data//%s_market_data.csv", pDepthMarketData->InstrumentID);
	//sprintf(filePath, "%s_market_data.csv", pDepthMarketData->InstrumentID);
	std::ofstream outFile;
	outFile.open(filePath, std::ios::app); // 文件追加写入 
	outFile << pDepthMarketData->InstrumentID << ","
		<< pDepthMarketData->UpdateTime << "." << pDepthMarketData->UpdateMillisec << ","
		<< pDepthMarketData->LastPrice << ","
		<< pDepthMarketData->Volume << ","
		<< pDepthMarketData->BidPrice1 << ","
		<< pDepthMarketData->BidVolume1 << ","
		<< pDepthMarketData->AskPrice1 << ","
		<< pDepthMarketData->AskVolume1 << ","
		<< pDepthMarketData->OpenInterest << ","
		<< pDepthMarketData->Turnover << std::endl;
	outFile.close();

}

///询价通知
void CTPMdSpi::OnRtnForQuoteRsp(CThostFtdcForQuoteRspField *pForQuoteRsp){

}

（3）MarketL1Core.h

#pragma once
#include <string>
#include <vector>

#include "CTPMdSpi.h"

class MarketL1Core
{
public:
	MarketL1Core() = default;
	~MarketL1Core();

	bool start();
    bool stop();

    //启动客户端监听
    bool startListenClient();

private:
	bool checkConfig();

    //连接上手服务器(CTP)
    bool connectUpServer();

    
private:
	std::string serviceName;
	std::string serviceIp;
	int servicePort;

	std::string CTP_Address1; //主地址
	std::string CTP_Address2; //备地址

    std::vector<std::string> instrumentIds;
	CThostFtdcMdSpi *pMdUserSpi = new CTPMdSpi;
};

（4）MarketL1Core.cpp

#include <iostream>

#include "MarketL1Core.h"
#include "com/xini_file.h"
#include "Util.h"

using namespace std;

CThostFtdcMdApi *g_pMdApi;
std::string g_brokerId;
std::string g_userId;
std::string g_password;
std::vector<std::string> *g_pInstrumentIds;

//---------------------------------- private methods --------------------------------
bool MarketL1Core::checkConfig(){

    CTP_Address1 = "tcp://218.202.237.33:10213";
    CTP_Address2 = "";

    g_brokerId = "9999";
    g_userId = "xxx"; //填入你自己申请到的账号、密码
    g_password = "xxx"; //
    
    string ids = "sc2302|sc2403|bu2306|IO2303-C-3900|ag2302|WH301"; //需要订阅的行情
    instrumentIds = Util::split(ids, "|");
    g_pInstrumentIds = &instrumentIds;

    cout<<"CTP_Address1:"<<CTP_Address1<<", instrumentIds:"<<ids<<endl;
}

//连接上手服务器(CTP)
bool MarketL1Core::connectUpServer(){
    // 初始化UserApi
	g_pMdApi = CThostFtdcMdApi::CreateFtdcMdApi("./market_data/", true);
	g_pMdApi->RegisterSpi(pMdUserSpi);					                 // 注册事件类
	g_pMdApi->RegisterFront((char*)CTP_Address1.c_str());				 // connect		优先行情地址
	//pMdApi->RegisterFront();							                 // connect		备用行情地址，1B断开，自动连接2B地址

	g_pMdApi->Init();

    std::cout<<"Version:"<<g_pMdApi->GetApiVersion()<<std::endl;
}

//---------------------------------- public methods ---------------------------------
MarketL1Core::~MarketL1Core(){
	if(g_pMdApi){
		g_pMdApi->Join();
		g_pMdApi->Release();
	}

	if(pMdUserSpi){
		delete pMdUserSpi;
		pMdUserSpi = nullptr;
	}
}

bool MarketL1Core::start(){
    // 初始化log

    // 读取配置
    checkConfig();

    connectUpServer();
}

bool MarketL1Core::stop(){

}

（5）split()方法

class Util
{
public:
    static std::vector<std::string> split(std::string str, std::string pattern)
    {
	    std::string::size_type pos;
	    std::vector<std::string> result;
	    str += pattern;//扩展字符串以方便操作  
	    int size = str.size();
	    for (int i = 0; i < size; i++)
	    {
	        pos = str.find(pattern, i);
	        if (pos < size)
	        {
	            std::string s = str.substr(i, pos - i);
	            result.push_back(s);
	            i = pos + pattern.size() - 1;
	        }
	    }
	    return result;
    }
};

（6）main()方法

#include "MarketL1Core.h"

int main(int argc,char *argv[])
{
    MarketL1Core core;
    core.start();
}

好了，基本步骤就这些。最后在Unix操作系统上make通过后，就可以运行了！文章来源地址https://www.toymoban.com/news/detail-461669.html

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