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128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
#ifndef USERNODE2PROTOCOL_H
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#define USERNODE2PROTOCOL_H
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#include <qqtmessage.h>
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#include <qqtprotocol.h>
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#include <qqttcpserver.h>
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class UserNode2Message : public QQtMessage
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{
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Q_OBJECT
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public:
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explicit UserNode2Message ( QObject* parent = nullptr ) {
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mSize = 0x03;//报文定长
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}
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~UserNode2Message() {
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}
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quint8& size() { return mSize; }
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const quint8& size() const { return mSize; }
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quint8& cmd() { return mCmd; }
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const quint8& cmd() const { return mCmd; }
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quint8& data() { return mData; }
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const quint8& data() const { return mData; }
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private:
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//格式
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//|quint8 size|quint8 cmd|quint8 data|
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quint8 mSize;
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quint8 mCmd;
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quint8 mData;
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// QQtMessage interface
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public:
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//把报文这条流解析出字段
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virtual void parser ( const QByteArray& l ) override {
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QByteArray _l = l;
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_l >> mSize;
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_l >> mCmd;
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_l >> mData;
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}
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//把报文字段组装成流
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virtual void packer ( QByteArray& l ) const override {
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l << mSize;
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l << mCmd;
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l << mData;
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}
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};
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QDebug& operator << ( QDebug&, const UserNode2Message& msg );
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//业务层总是用这个协议工作,读来到的,写出去的。
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class UserNode2Protocol : public QQtProtocol
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{
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Q_OBJECT
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public:
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explicit UserNode2Protocol ( QObject* parent = nullptr ) {
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}
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~UserNode2Protocol() {
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}
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//收到外部发来的很多命令,处理一下告诉业务层干点什么。
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void recvCommand1 ( const UserNode2Message& msg ) {
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//what do you want to do?
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}
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void recvCommand2 ( const UserNode2Message& msg ) {
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//what do you want to do?
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}
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signals:
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//给业务层发的信号
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void signalSendtoLogicLevelCode();
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public slots:
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// QQtProtocol interface
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protected:
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//报文的最小长度
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virtual quint16 minlength() override {
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return 0x0a;
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}
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//报文的最大长度
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virtual quint16 maxlength() override {
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return 0x07FF;
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}
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//报文现在在流里,第一个字节,就是size,读出来,通过返回值告诉QQtProtocol
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virtual quint16 splitter ( const QByteArray& l ) override { //stream
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QByteArray s0 = l.left ( 1 );
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quint8 size = 0;
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s0 >> size;
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return size;
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}
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//报文现在被切开,发了进来,第二个字节是cmd,解析出来,在函数里处理处理数据,告诉业务层,拿到数据了干点什么。
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virtual bool dispatcher ( const QByteArray& m ) override { //message
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bool ret = true;
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UserNode2Message qMsg;
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qMsg.parser ( m );
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pline() << qMsg;
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switch ( qMsg.cmd() ) {
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case 0x0a://protocol command 1
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recvCommand1 ( qMsg );
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break;
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case 0x0b://protocol command 2
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recvCommand2 ( qMsg );
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break;
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default:
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ret = false;
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pline() << "receive unknown command:" << hex << qMsg.cmd();
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break;
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}
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return ret;
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}
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};
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//业务层初始化一下这个实例,总是从这里获取协议句柄进行对外读写。
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UserNode2Protocol* UserNode2ConnectionInstance ( QObject* parent = 0 );
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#endif // USERNODE2PROTOCOL_H
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