public static void TestSimultaneousWriteAndRead(string path, long size)
{
RawDiskImage disk = RawDiskImage.Create(path, size);
disk.ExclusiveLock(true);
int totalSectors = (int)Math.Min(disk.TotalSectors, Int32.MaxValue);
Parallel.For(0, totalSectors / 2, 1, 4, delegate(int sectorHint)
{
long sectorIndex = sectorHint * 2;
byte[] pattern = GetTestPattern(sectorIndex, 2, RawDiskImage.DefaultBytesPerSector);
disk.WriteSectors(sectorIndex, pattern);
if (sectorIndex > 100)
{
long sectorIndexToVerify = sectorIndex - 100;
byte[] expectedPattern = GetTestPattern(sectorIndexToVerify, 2, RawDiskImage.DefaultBytesPerSector);
byte[] sectorBytes = disk.ReadSectors(sectorIndexToVerify, 2);
if (!ByteUtils.AreByteArraysEqual(sectorBytes, expectedPattern))
{
throw new InvalidDataException("Test failed");
}
}
});
disk.ReleaseLock();
}
public static void TestOverlappedWriteAndOverlappedRead(string path, long size)
{
RawDiskImage disk = RawDiskImage.Create(path, size);
disk.ExclusiveLock(true);
int totalSectors = (int)Math.Min(disk.TotalSectors, Int32.MaxValue);
Parallel.For(0, totalSectors, 1, 4, delegate(int sectorIndex)
{
byte[] pattern = GetTestPattern(sectorIndex, RawDiskImage.DefaultBytesPerSector);
disk.WriteSectors(sectorIndex, pattern);
});
Parallel.For(0, totalSectors, 1, 4, delegate(int sectorIndex)
{
byte[] pattern = GetTestPattern(sectorIndex, RawDiskImage.DefaultBytesPerSector);
byte[] sectorBytes = disk.ReadSector(sectorIndex);
if (!ByteUtils.AreByteArraysEqual(pattern, sectorBytes))
{
throw new InvalidDataException("Test failed");
}
});
disk.ReleaseLock();
}
public static void TestWriteRead(string path, long size)
{
RawDiskImage disk = RawDiskImage.Create(path, size);
disk.ExclusiveLock();
for (long sectorIndex = 0; sectorIndex < disk.TotalSectors; sectorIndex += PhysicalDisk.MaximumDirectTransferSizeLBA)
{
long leftToWrite = disk.TotalSectors - sectorIndex;
int sectorsToWrite = (int)Math.Min(leftToWrite, PhysicalDisk.MaximumDirectTransferSizeLBA);
byte[] pattern = GetTestPattern(sectorIndex, sectorsToWrite, RawDiskImage.DefaultBytesPerSector);
disk.WriteSectors(sectorIndex, pattern);
}
for (long sectorIndex = 0; sectorIndex < disk.TotalSectors; sectorIndex += PhysicalDisk.MaximumDirectTransferSizeLBA)
{
long leftToRead = disk.TotalSectors - sectorIndex;
int sectorsToRead = (int)Math.Min(leftToRead, PhysicalDisk.MaximumDirectTransferSizeLBA);
byte[] pattern = GetTestPattern(sectorIndex, sectorsToRead, RawDiskImage.DefaultBytesPerSector);
byte[] sectorBytes = disk.ReadSectors(sectorIndex, sectorsToRead);
if (!ByteUtils.AreByteArraysEqual(pattern, sectorBytes))
{
throw new InvalidDataException("Test failed");
}
}
disk.ReleaseLock();
}
public static BlockAllocationTable ReadBlockAllocationTable(string path, DynamicDiskHeader dynamicHeader)
{
uint maxTableEntries = dynamicHeader.MaxTableEntries;
long sectorIndex = (long)(dynamicHeader.TableOffset / VirtualHardDisk.BytesPerDiskSector);
int sectorCount = (int)Math.Ceiling((double)maxTableEntries * 4 / VirtualHardDisk.BytesPerDiskSector);
byte[] buffer = new RawDiskImage(path, VirtualHardDisk.BytesPerDiskSector).ReadSectors(sectorIndex, sectorCount);
return(new BlockAllocationTable(buffer, maxTableEntries));
}
public SparseExtent(string path) : base(path)
{
m_file = new RawDiskImage(path, VirtualMachineDisk.BytesPerDiskSector);
byte[] headerBytes = m_file.ReadSector(0);
m_header = new SparseExtentHeader(headerBytes);
if (m_header.IsValidAndSupported)
{
if (m_header.DescriptorOffset > 0)
{
byte[] descriptorBytes = m_file.ReadSectors((long)m_header.DescriptorOffset, (int)m_header.DescriptorSize);
string text = ASCIIEncoding.ASCII.GetString(descriptorBytes);
List <string> lines = VirtualMachineDiskDescriptor.GetLines(text);
m_descriptor = new VirtualMachineDiskDescriptor(lines);
}
}
}
public SparseExtent(string path) : base(path)
{
m_file = new RawDiskImage(path, VirtualMachineDisk.BytesPerDiskSector);
byte[] headerBytes = m_file.ReadSector(0);
m_header = new SparseExtentHeader(headerBytes);
if (!m_header.IsSupported)
{
throw new NotSupportedException("Sparse extent header version is not supported");
}
if (m_header.CompressionAlgirithm != SparseExtentCompression.None)
{
throw new NotSupportedException("Sparse extent compression is not supported");
}
if (m_header.DescriptorOffset > 0)
{
byte[] descriptorBytes = m_file.ReadSectors((long)m_header.DescriptorOffset, (int)m_header.DescriptorSize);
string text = ASCIIEncoding.ASCII.GetString(descriptorBytes);
List <string> lines = VirtualMachineDiskDescriptor.GetLines(text);
m_descriptor = new VirtualMachineDiskDescriptor(lines);
}
}
private void MainForm_Load(object sender, EventArgs e)
{
Version version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
this.Text += " v" + version.ToString(3);
m_server.OnLogEntry += Program.OnLogEntry;
List <IPAddress> localIPs = GetHostIPAddresses();
KeyValuePairList <string, IPAddress> list = new KeyValuePairList <string, IPAddress>();
list.Add("Any", IPAddress.Any);
foreach (IPAddress address in localIPs)
{
list.Add(address.ToString(), address);
}
comboIPAddress.DataSource = list;
comboIPAddress.DisplayMember = "Key";
comboIPAddress.ValueMember = "Value";
lblStatus.Text = "Author: Tal Aloni ([email protected])";
#if Win32
if (!SecurityHelper.IsAdministrator())
{
lblStatus.Text = "Some features require administrator privileges and have been disabled";
}
#endif
//test
string[] args = Environment.GetCommandLineArgs();
if (args.Length > 1)
{
//to do
/*
* if (args[0].Equals("DiskImage", StringComparison.OrdinalIgnoreCase)) { m_disks.Add(DiskImage.GetDiskImage(args[2], false)); }
*/
}
if (System.IO.File.Exists("config.xml") && args.Length <= 1)
{
XmlDocument XmlDocObj = new XmlDocument();
XmlDocObj.Load("config.xml");
XmlNode node = XmlDocObj.SelectSingleNode("//target");
string targetname = "";
string targetpath = "";
string targettype = "";
string targetsize = "";
string targetdiskindex = "";
if (node.Attributes["name"] != null)
{
targetname = node.Attributes["name"].Value;
}
if (node.Attributes["path"] != null)
{
targetpath = node.Attributes["path"].Value;
}
if (node.Attributes["class"] != null)
{
targettype = node.Attributes["class"].Value;
}
if (node.Attributes["size"] != null)
{
targetsize = node.Attributes["size"].Value;
}
if (node.Attributes["index"] != null)
{
targetdiskindex = node.Attributes["index"].Value;
}
if (targetname != "")
{
//
List <Disk> m_disks = new List <Disk>();
if (targettype.Equals("RAMDisk", StringComparison.OrdinalIgnoreCase))
{
m_disks.Add(new RAMDisk(int.Parse(targetsize) * 1024 * 1024));
}
if (targettype.Equals("DiskImage", StringComparison.OrdinalIgnoreCase))
{
m_disks.Add(DiskImage.GetDiskImage(targetpath, false));
}
if (targettype.Equals("createDiskImage", StringComparison.OrdinalIgnoreCase))
{
m_disks.Add(VirtualHardDisk.CreateFixedDisk(targetpath, long.Parse(targetsize) * 1024 * 1024));
}
if (targettype.Equals("createRawDiskImage", StringComparison.OrdinalIgnoreCase))
{
m_disks.Add(RawDiskImage.Create(targetpath, long.Parse(targetsize) * 1024 * 1024));
}
if (targettype.Equals("PhysicalDisk", StringComparison.OrdinalIgnoreCase))
{
m_disks.Add(new PhysicalDisk(int.Parse(targetdiskindex)));
}
ISCSITarget target = new ISCSITarget(targetname, m_disks);
((SCSI.VirtualSCSITarget)target.SCSITarget).OnLogEntry += Program.OnLogEntry;
target.OnAuthorizationRequest += new EventHandler <AuthorizationRequestArgs>(ISCSITarget_OnAuthorizationRequest);
target.OnSessionTermination += new EventHandler <SessionTerminationArgs>(ISCSITarget_OnSessionTermination);
m_targets.Add(target);
//
try
{
m_server.AddTarget(target);
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, "Error");
return;
}
listTargets.Items.Add(target.TargetName);
}
}
}
