private void GetDiskFSInfoSector()
{
DiskStream.Seek(512, SeekOrigin.Begin);
byte[] bTemp = new byte[512];
DiskStream.Read(bTemp, 0, 512);
DiskFSInfoSector = new FSInfoSector(bTemp);
//Actualizamos espacio libre aprox
long spaceAvailableBytes = DiskFSInfoSector.GetFreeClusterCount() * DiskBootSector.GetBytesPerCluster();
//GB
if (spaceAvailableBytes >= (1024 * 1024 * 1024))
{
float tamano = spaceAvailableBytes / (1024 * 1024 * 1024);
freeSpaceAvailable.Text = "" + tamano + " GB";
}
//MB
else if (spaceAvailableBytes >= (1024 * 1024))
{
float tamano = spaceAvailableBytes / (1024 * 1024);
freeSpaceAvailable.Text = "" + tamano + " MB";
}
//KB
else if (spaceAvailableBytes >= 1024)
{
float tamano = spaceAvailableBytes / 1024;
freeSpaceAvailable.Text = "" + tamano + " KB";
}
else
{
freeSpaceAvailable.Text = "" + spaceAvailableBytes + " bytes";
}
}
public FilesystemInformation(BootSector BS, FSInfoSector FSInfo)
{
InitializeComponent();
this.MaximumSize = this.MinimumSize = this.Size;
BootSector = BS;
FSInfoSector = FSInfo;
//General
this.volumeIDLabel.Text = BootSector.GetVolumeID();
this.volumeLabel.Text = BootSector.GetVolumeLabel();
//Boot Sector
this.labelBPS.Text = BootSector.GetBytesPerSector().ToString();
this.labelSPC.Text = BootSector.GetSectorsPerCluster().ToString();
this.labelSectoresReservados.Text = BootSector.GetReservedSectors().ToString();
this.labelTotalSectores.Text = BootSector.GetTotalSectoresFAT32().ToString();
this.labelFATSize.Text = BootSector.SizeOfFAT().ToString();
//FSInfo Sector
this.lastAllocatedCluster.Text = FSInfoSector.GetLastAllocatedCluster().ToString();
this.freeClusters.Text = FSInfoSector.GetFreeClusterCount().ToString();
//File Allocation Table
fatSize.Text = BootSector.SizeOfFAT().ToString();
fat1Offset.Text = BootSector.FATOffset().ToString();
fat2Offset.Text = BootSector.FAT2Offset().ToString();
}
private void Formatear()
{
try
{
if (DiskStream != null)
{
//Nulificar archivo
DiskStream.Seek(0, SeekOrigin.Begin);
DiskStream.SetLength(0);
DiskStream.Flush();
DiskStream.SetLength(DiskSize);
DiskStream.Flush();
//Escribir el BootSector
BootSector BootSector = new BootSector((int)DiskStream.Length, NewsectorPorCluster, NewVolumeLabel);
BootSector.WriteBootSector(DiskStream);
//Escribir FSInfoSector
FSInfoSector FSInfoSector = new FSInfoSector();
FSInfoSector.WriteInformationSector(DiskStream);
//Inicializar Tabla FAT - Offset 32 despues de los sectores reservados
FileAllocationTable NewFAT = new FileAllocationTable(BootSector);
NewFAT.WriteNewFAT(DiskStream);
FSInfoSector.UpdateFreeClusters(1, BootSector);
FSInfoSector.UpdateLastAllocatedCluster(2);
FSInfoSector.WriteInformationSector(DiskStream);
MessageBox.Show("La imagen de disco ha sido formateada!", "Formato Completo", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void Formatear(FileStream stream)
{
try
{
byte SectoresPorCluster = 0x00;
//Obtener el numero de sectores por cluster
switch (tamanoSectoresPorCluster.SelectedIndex)
{
case 0:
//1 sector por cluster = Clusters de 512 bytes
SectoresPorCluster = 0x01;
break;
case 1:
//2 sectores por cluster = Clusters de 1 KiB
SectoresPorCluster = 0x02;
break;
case 2:
//4 sectores por cluster = Clusters de 2 KiB
SectoresPorCluster = 0x04;
break;
case 3:
//8 sectores por cluster = Clusters de 4 KiB
SectoresPorCluster = 0x08;
break;
case 4:
//16 sectores por cluster = Clusters de 8 KiB
SectoresPorCluster = 0x10;
break;
case 5:
//32 sectores por cluster = Clusters de 16KiB
SectoresPorCluster = 0x20;
break;
default:
SectoresPorCluster = 0x01;
break;
}
//Escribir el BootSector
BootSector BootSector = new BootSector((int)stream.Length, SectoresPorCluster, txtVolLabel.Text);
BootSector.WriteBootSector(stream);
//Escribir FSInfoSector
FSInfoSector FSInfoSector = new FSInfoSector();
FSInfoSector.WriteInformationSector(stream);
//Inicializar Tabla FAT - Offset 32, despues de los sectores reservados
FileAllocationTable NewFAT = new FileAllocationTable(BootSector);
NewFAT.WriteNewFAT(stream);
FSInfoSector.UpdateFreeClusters(1, BootSector);
FSInfoSector.UpdateLastAllocatedCluster(2);
FSInfoSector.WriteInformationSector(stream);
MessageBox.Show("La imagen de disco ha sido creada y formateada!", "Formato Completo", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
