| Get current time stamp
int Getunixtime ()
{
CTime time = Ctime::getcurrenttime ();
return (int) time. GetTime ();
}
CString Formatunit (double nbytes)
{
char* Units[5] = {"B", "KB", "MB", "GB", "TB"};
int i;
for (i = 0; ((int) nbytes) >= 1024 && i < 4; i++)
Nbytes/= 1024;
CString strresult;
Strresult.format ("%.2f%s", Nbytes, Units[i]);
return strresult;
}
DWORD winapi DownloadFile (lpvoid pparam)
{
cinstallonlinedlg* pwnd = (cinstallonlinedlg*) AfxGetApp ()- >m_pMainWnd;
char FILEBUF[512];
CInternetSession netsession;
CStdioFile *ftargfile = NULL;
CString Szfile (Download_url), FileSize, Kbin, kbsec, NewName, Perc, Strleft, strright;
int ndownloaded = 1;
try
{
pwnd->setleftstring ("Verifying download Address ...");
ftargfile = Netsession.openurl (szfile, 1, internet_flag_transfer_binary | Internet_flag_reload);
int filesize = Ftargfile->seektoend ();
ftargfile->seektobegin (); //creates a new destination file
cfile fdestfile in the current directory (Ftargfile->getfilename (), CFile:: Modecreate | Cfile::modewrite | Cfile::typebinary);
int byteswrite; //bytes written to file
int pos = 0; & nbsp; //Current progress bar position
double kbsec; //record seconds, speed (kb/sec)
int secs;
pwnd->setfilename (Ftargfile->getfilename ());
pwnd->m_ Progress. SetRange32 (0, filesize); int nstarttime = Getunixtime ();
int nlastoutputtime = 0;
cstring strfilesize = Formatunit (filesize);
while (byteswrite = Ftargfile->read (filebuf)) //Read file
{
//the number of seconds based on the start time compared to the current time
int ncurrenttime = Getunixtime ();
secs = Ncurrenttime-nstarttime;
secs = secs = = 0? 1:secs;
pos = pos + byteswrite; //Set new progress bar position
fdestfile.write (Filebuf, byteswrite); //write the actual data to the file
pwnd->m_progress. SetPos (POS); if ((ncurrenttime-nlastoutputtime) > 1)
{
kbsec = pos/secs; /Get how many downloads per second (KB)
cstring strrecv = Formatunit (POS);
cstring strspeed = Formatunit (kbsec);
strleft.format ("Download Progress:%s/%s", Strrecv.getbuffer (), Strfilesize.getbuffer ());
pwnd->setleftstring (strleft);
strright.format ("Download speed:%s/s", Strspeed.getbuffer ());
pwnd->setrightstring (strright);
nlastoutputtime = ncurrenttime;
}
}
//Download complete, close file
fdestfile.close ();
} catch (CInternetException *ie)
{
CString strerror;
TCHAR error[255]; Ie->geterrormessage (Error, 255); Get error messages
strerror = error; pwnd->setleftstring (strerror);
pwnd->setrightstring ("");
if (ftargfile)
delete ftargfile;
ie->delete (); // Remove the exception object to prevent leaks
pwnd->setdownloadstatus (FALSE);
pwnd->getdlgitem (Idc_button1)->enablewindow (TRUE);
return 0;
}
if (ftargfile)
delete ftargfile;
if (ndownloaded = 1)
{
Pwnd->setleftstring ("Download complete, click" Install "!");
pwnd->m_btn. Loadbitmaps (Idb_btn_install_normal);
pwnd->m_btn. SizeToContent ();
pwnd->setdownloadstatus (TRUE);
pwnd->getdlgitem (Idc_button1)->enablewindow (TRUE);
}
return 0;
} |
