public RecordFile(DiskUtil disk, long offset,int index)
{
this.disk = disk;
this.Offset = offset;
disk.Position = offset;
device = new RecordDevice(disk);
if (device.IsValid == false) return;
disk.Read(dataChannel, 0, 512);
string tag = ASCIIEncoding.ASCII.GetString(dataChannel, 0, 4);
if (tag != " chn") return;
int channelNum = dataChannel[4];
eventWaits = new EventWaitHandle[channelNum];
for (int i = 0; i < channelNum; i++)
{
AutoResetEvent autoEvent = new AutoResetEvent(false);
SignalChannel info = new SignalChannel(this,autoEvent, dataChannel, 5 + 128 * i);
eventWaits[i] = autoEvent;
listChannel.Add(info);
}
this.FileIndex = index+1;
}
public RecordControl(DiskUtil disk)
{
this.IsValid = false;
disk.Read(data, 0, data.Length);
this.Tag = Encoding.ASCII.GetString(data, 0, 4);
if (this.Tag != "ctrl") return;
this.IsValid = true;
this.TotalSector = BitConverter.ToInt32(data, 4);
this.UsedSector = BitConverter.ToInt32(data, 8);
}
public RecordDevice(DiskUtil disk)
{
this.IsValid = false;
disk.Read(sectorData, 0, 512);
this.Tag = Encoding.ASCII.GetString(sectorData, 0, 4);
if (this.Tag != " dev") return;
this.IsValid = true;
this.Time = new DateTime(sectorData[4] +2000, sectorData[5], sectorData[6], sectorData[7], sectorData[8], sectorData[9]);
this.devInfo = new DeviceInfo(sectorData, 10);
this.UsedSector = BitConverter.ToInt32(sectorData, 138);
this.UsedRate = BitConverter.ToInt16(sectorData, 142);
this.Overflow = BitConverter.ToInt32(sectorData, 144);
}
public RecordDisk(string driverName)
{
disk = new DiskUtil(driverName);
recordControl = new RecordControl(disk);
if (recordControl.IsValid == false) return;
long offset = 512;
int index = 0;
while (true)
{
RecordFile file = new RecordFile(disk, offset,index++);
if (file.Length == 0) break;
listFile.Add(file);
offset += file.Length;
}
}