linksocket.cpp

一个卫通GPS系统SUC接口示例。该示例演示如何实现客户端如何与卫通GPS系统连接实现车载终端点名等功能

// LinkSocket.cpp : implementation file
//

#include "stdafx.h"
#include "MTTest.h"
#include "LinkSocket.h"

#include "MTTestDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CLinkSocket

CLinkSocket::CLinkSocket()
{
}

CLinkSocket::~CLinkSocket()
{
}


// Do not edit the following lines, which are needed by ClassWizard.
#if 0
BEGIN_MESSAGE_MAP(CLinkSocket, CSocket)
	//{{AFX_MSG_MAP(CLinkSocket)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
#endif	// 0

/////////////////////////////////////////////////////////////////////////////
// CLinkSocket member functions


//当SOCKET接收到信息时触发此函数
void CLinkSocket::OnReceive(int nErrorCode) 
{
	// TODO: Add your specialized code here and/or call the base class
	//获取接收到的信息
	char buf[10240];
	int nRecv;
	nRecv = this->Receive(buf, 10240);

	if(nRecv < 0)
	{
		return;
	}

	//将信息放入字符串中
	buf[nRecv] = 0;

	CString strRecv;
	strRecv = buf;

	//分析数据
	CString strSvrId;
	if(getXMLTagValue(strRecv, "Service_id", strSvrId) <=0)
	{
		if(getXMLTagPropValue(strRecv, "MT_DATA_REPLY_INFO", "Msg_id", strSvrId) >= 0)
		{   
			CString strTemp;
			
			if(strRecv.Find("</MT_DATA_REPLY_INFO>") <= 0)
			{
				Sleep(1000);
				nRecv = this->Receive(buf, 10240);
				
				buf[nRecv] = 0;
				strTemp = buf;
			    strRecv += strTemp;
			}

			m_pOwner->RecvSynDataReply(strRecv);
		}
		return;
	}

	if(strSvrId == "102") 
	{
		//返回的是登录应答信息
		CString strFlag;
		CString strError;

		if(getXMLTagValue(strRecv, "Rep_flag", strFlag) <= 0)
		{
			return;
		}

		if(strFlag == "0")
		{
			m_pOwner->m_bLogon = TRUE;
			AfxMessageBox("Logon OK!");
		}
		else
		{
			m_pOwner->m_bLogon = FALSE;
			getXMLTagValue(strRecv, "Error_desc", strError);
			AfxMessageBox(strError);
		}
	}
	else if(strSvrId == "104")
	{
		//心跳回应
		//AfxMessageBox("心跳应答！");
	}
	else if(strSvrId == "301")
	{
		//返回的是车辆位置信息
		m_pOwner->RecvGpsData(strRecv);
	}
	
	CSocket::OnReceive(nErrorCode);
}


void CLinkSocket::SetOwner(CMTTestDlg *pOwner)
{
	m_pOwner = pOwner;
	return;
}

//连接关闭时的处理
void CLinkSocket::OnClose(int nErrorCode) 
{
	// TODO: Add your specialized code here and/or call the base class
	m_pOwner->m_bLinked = FALSE;
	m_pOwner->m_bLogon = FALSE;

	CSocket::OnClose(nErrorCode);
}