报文拼接与解析

#ifndef _NMS_MESSAGE_H_

#define _NMS_MESSAGE_H_

#include "config.h"

#define LENGTH 5  //报文长度

#define TRANSTYPE 4  //交易代码

#define SUBTYPE 2   //标志字段

#define APPID 12  //应用标识

#define PASSWD 21  //应用程序密码

#define APPSNO 35  //应用流水号

#define MESSAGETYPE 3 //短信类型0表示中文;1表示英文;2表示UCS2码;21,4为压缩PDU码

#define RECVID 255  //接收方地址

#define CONTENT1002 160  //正文内容

#define CONTENT3002 280

#define ACK 1  //0表示不回复,1表示需要回执,2表示需回复，3表示需要回执＋需回复

#define REPLY 30  //回复地址

#define PRIORITY 2  //优先级0~9

#define REP 2  //重复次数

#define SUBAPP 3   //子应用号

#define CHECKFLAG 2  //标志位



class CMessagePasswd

{

public:

    CMessagePasswd(string transtype,string subtype,string appid,string passwd);

    ~CMessagePasswd(){};

    string getString();

    int getLength() const;//Length值

    int getSize() const;//报文总长度

private:

    string Length;

    string TransType;

    string SubType;

    string AppId;

    string Passwd;

};    



class CMessageLong{

public:

    CMessageLong(string transtype,string subtype,string appid,string appserialno,string messagetype,string recvid,string ack,string reply,

        string priority,string rep,string subapp,string checkflag,string content);

    ~CMessageLong(){};

    string getString();

    int getLength() const;//Length值

    int getSize() const;//报文总长度

private:

    string Length;

    string TransType;

    string SubType;

    string AppId;

    string AppSerialNo;

    string MessageType;

    string RecvId;

    string Ack;

    string Reply;

    string Priority;

    string Rep;

    string SubApp;

    string CheckFlag;

    string Content;//变长字段，长度另外计算

};



class CMessageReply{

public:

    CMessageReply(string s);

    ~CMessageReply(){};

    //const修饰类的成员函数会禁止该函数改变类的成员变量的值

    bool Success() const;//成功返回TRUE，失败返回FALSE

    string GetFailReason() const;//返回失败原因

    string getLength() const;//备用，返回响应报文长度

    string getRetCode() const;//备用, 返回响应代码

private:

    int temp;

    string Length;

    string RetCode;

    string RetMsg;

};



#endif

#include "NmsMessage.h"



CMessagePasswd::CMessagePasswd(string transtype,string subtype,string appid,string passwd)

{

    TransType = transtype;

    TransType.resize(TRANSTYPE,'\t');

    SubType = subtype;

    SubType.resize(SUBTYPE,'\t');

    AppId = appid;

    AppId.resize(APPID,'\t');

    Passwd = passwd;

    Passwd.resize(PASSWD,'\t');

}



string CMessagePasswd::getString()

{

    string x;

    char temp[10];

    itoa(getLength(),temp,10);

    Length = temp;

    Length.resize(LENGTH,'\t');



    x.append(Length);

    x.append(TransType);

    x.append(SubType);

    x.append(AppId);

    x.append(Passwd);

    return x;

}



int CMessagePasswd::getLength() const//Length值

{

    return getSize()-LENGTH;

}



int CMessagePasswd::getSize() const//报文总长度

{

    return LENGTH+TRANSTYPE+SUBTYPE+APPID+PASSWD;

}



CMessageLong::CMessageLong(string transtype,string subtype,string appid,string appserialno,string messagetype,string recvid,string ack,string reply,

    string priority,string rep,string subapp,string checkflag,string content)

{

    TransType = transtype;

    TransType.resize(TRANSTYPE,'\t');

    SubType = subtype;

    SubType.resize(SUBTYPE,'\t');

    AppId = appid;

    AppId.resize(APPID,'\t');

    AppSerialNo = appserialno;

    AppSerialNo.resize(APPSNO,'\t');

    MessageType = messagetype;

    MessageType.resize(MESSAGETYPE,'\t');

    RecvId = recvid;

    RecvId.resize(RECVID,'\t');

    Ack = ack;

    Ack.resize(ACK,'\t');

    Reply = reply;

    Reply.resize(REPLY,'\t');

    Priority = priority;

    Priority.resize(PRIORITY,'\t');

    Rep = rep;

    Rep.resize(REP,'\t');

    SubApp = subapp;

    SubApp.resize(SUBAPP,'\t');

    CheckFlag = checkflag;

    CheckFlag.resize(CHECKFLAG,'\t');

    Content = content;

    //Content.resize(CONTENT3011,'\t');

}



string CMessageLong::getString()

{

    string x;

    char temp[10];

    itoa(getLength(),temp,10);

    Length = temp;

    Length.resize(LENGTH,'\t');



    x.append(Length);

    x.append(TransType);

    x.append(SubType);

    x.append(AppId);

    x.append(AppSerialNo);

    x.append(MessageType);

    x.append(RecvId);

    x.append(Ack);

    x.append(Reply);

    x.append(Priority);

    x.append(Rep);

    x.append(SubApp);

    x.append(CheckFlag);

    x.append(Content);

    return x;

}

int CMessageLong::getLength() const//Length值

{

    return getSize()-LENGTH;

}

int CMessageLong::getSize() const//报文总长度

{

    return LENGTH+TRANSTYPE+SUBTYPE+APPID+APPSNO+MESSAGETYPE+RECVID+ACK+REPLY+PRIORITY+REP+SUBAPP+CHECKFLAG+Content.size();

}



CMessageReply::CMessageReply(string s)

{

    Length = s.substr(0,5);

    RetCode = s.substr(5,4);

    temp = atoi(Length.c_str());

    RetMsg = s.substr(9,temp-4);

}

bool CMessageReply::Success() const//成功返回TRUE，失败返回FALSE

{

    if (RetCode == "0000")

        return true;

    else return false;

}

string CMessageReply::GetFailReason() const//返回失败原因

{

    return RetMsg;



}

string CMessageReply::getLength() const//备用，返回响应报文长度

{

    return Length;

}

string CMessageReply::getRetCode() const//备用, 返回响应代码

{

    return RetCode;

}