download.cpp

通过串口发送接受文件

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Main.h"
#include "Download.h"
#include "_SFT.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TfrmDownload *frmDownload;

extern char     MachineName[128];
extern int     FileCount;
extern long    TotalSize;
extern int     TotalProgress;
extern char    CurrentFile[128];
extern char    CurrentFileSaveAs[128];
extern long    CurrentSize;
extern int     CurrentProgress; 
extern int     Stop;

bool Downloading;
bool DownloadStop;
extern bool Uploading;
extern bool UploadStop;

extern int      ReceiveResult;
extern char     ReceiveResultMsg[128];

bool DownloadManualCancel;

DWORD   DownloadThreadID;
HANDLE  DownloadThread;

DWORD WINAPI Download( LPVOID param)
{
    Uploading=false;
    Downloading=true;
    DownloadStop=false;
    DownloadManualCancel=false;
    SFT_ReceiveFiles("",-1,NULL);
    return 0;
}

//---------------------------------------------------------------------------
__fastcall TfrmDownload::TfrmDownload(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void TfrmDownload::RefreshDisplay(void)
{
    LabelMachineName->Caption = MachineName;
    LabelFileCount->Caption = FileCount;
    LabelTotalSize->Caption = TotalSize;
    LabelTotalProgress->Caption= TotalProgress;
    if( TotalSize==0 )ProgressTotalProgress->Position = 0;
    else ProgressTotalProgress->Position = TotalProgress*100L/TotalSize;
    LabelCurrentFile->Caption = CurrentFile;
    LabelCurrentFileSaveAs->Caption = CurrentFileSaveAs;
    LabelCurrentSize->Caption = CurrentSize;
    LabelCurrentProgress->Caption = CurrentProgress;
    if( CurrentSize==0 )ProgressCurrentProgress->Position = 0;
    else ProgressCurrentProgress->Position = CurrentProgress*100L/CurrentSize;
}
//---------------------------------------------------------------------------
void __fastcall TfrmDownload::SpeedButton1Click(TObject *Sender)
{
    DownloadManualCancel=true;
    Close();
}
//---------------------------------------------------------------------------


void __fastcall TfrmDownload::FormClose(TObject *Sender,
      TCloseAction &Action)
{
    unsigned long code;
    DownloadStop=true;
    if( GetExitCodeThread(DownloadThread,&code) )
        {
        if( code == STILL_ACTIVE ){ Action = caNone;return; };
        }
    Downloading=false;
    if( DownloadManualCancel==true ){ frmMain->CheckBox3->Checked = false; }
    if( ReceiveResult&&DownloadManualCancel==false ){ ReceiveResult=0;Application->MessageBox(ReceiveResultMsg,"错误",MB_ICONERROR|MB_OK); };
    Timer1->Enabled = false;
}
//---------------------------------------------------------------------------
void __fastcall TfrmDownload::FormShow(TObject *Sender)
{
    strcpy(MachineName,"");
    FileCount=0;
    TotalSize=0;
    TotalProgress=0;
    strcpy(CurrentFile,"");
    strcpy(CurrentFileSaveAs,"");
    CurrentSize=0;
    CurrentProgress=0;
    Timer1->Enabled = true;
    DownloadThread=CreateThread(NULL,0,Download,NULL,0,&DownloadThreadID);
}
//---------------------------------------------------------------------------

void __fastcall TfrmDownload::Timer1Timer(TObject *Sender)
{
    unsigned long code;
    RefreshDisplay();
    if( GetExitCodeThread(DownloadThread,&code) )
        {
        if( code != STILL_ACTIVE ){ Close(); };
        }
}
//---------------------------------------------------------------------------