#ifndef FILETRANSECEIVER_H
#define FILETRANSECEIVER_H

#include <QObject>
#include <QThread>
#include<stdio.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<string.h>
#include<stdlib.h>
#include<unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <QMessageBox>
#include <QDebug>
#include <QFile>
#define DOC_DIR "/home/plg/doc"
#define SEARCH 100
#define DOWN 200
#define END 500
#define FAIL 300
#define SUCCESS 400
#define UP 600
#define UPGRADE 601

struct msg 
{
    int type;
    int flag;
    char buf[64];
    char fname[100];
};

struct datasNet
{
    unsigned char Header[2];//0x51,0xa5
    unsigned char InstructionCode:8;//0x1,0x2,0x3...
    unsigned char DataLenght[4];
    unsigned char *Data;
    unsigned char Checksum;
    unsigned char Ender[2];//0xa5,0x5a
};
typedef unsigned char UCHAR;

class FileTranseceiver : public QObject
{
    Q_OBJECT
public:
    explicit FileTranseceiver(uint16_t hostshort);
    ~FileTranseceiver(void);

    int ftp_download(int connfd,struct msg info);
    int upload_ftp(int connfd,struct msg info);
    void start();
    void showData(QString tag,QByteArray dat)const;

protected slots:
    void connectListen();
private:
    uint16_t port;
    int sockfd;
    int connfd;
    QThread *serverThead;
    int upload_and_upgrade(int connfd, msg info);
    void connectListen5001();
    void connectListen5002();
    bool CheckSumIn( UCHAR *buf, unsigned int len);
signals:
    void fileRecieved(QString fileName);
};

#endif // FILETRANSECEIVER_H