internal MBRPartition(IBMPartitionInformation info, MBR mbr)
{
Mbr = mbr;
Start = info.StartLBA;
Length = info.LengthLBA;
//Identifier = info.PartitionType;
blockDev = mbr.blockdevice;
}
private void FinishBuildDisksLinux()
{
// Maybe the returned layout is partial because disks are loops (proxied Linux VM backup...)
List <string> loopNames = new List <string>();
foreach (IDiskElement elt in layout.Entries)
{
if (elt is Disk && ((Disk)elt).Type == DiskType.Loop /*&& ((Disk)elt).Enabled*/)
{
Disk disk = (Disk)elt;
loopH = new LinuxLoopDeviceHelper();
try{
string loopPath = loopH.GetLoop(disk.ProxiedPath, "");
Logger.Append(Severity.DEBUG, "Obtained loop device " + loopPath + " for fuse device " + disk.ProxiedPath);
disk.ProxiedPath = loopPath;
if (loopPath != null)
{
loopNames.Add(loopPath.Substring(loopPath.LastIndexOf("/") + 1));
Console.WriteLine(" #### Added loopPath " + loopPath.Substring(loopPath.LastIndexOf("/")));
}
}
catch (Exception e) {
Logger.Append(Severity.ERROR, "Couldn't create loop device for disk '" + disk.ProxiedPath + "' : " + e.Message);
}
/*
* Logger.Append(Severity.DEBUG, "Disk '"+disk.ProxiedPath+"' got loop entry "+loopPath);
* // update disk proxied path, since we'll have to use instead of the original proxied path
* // wich is now useless for the rest of operations
* disk.ProxiedPath = loopPath;
*
*
* }
* else{
* Logger.Append(Severity.WARNING, "Disk '"+disk.ProxiedPath+"' could'nt got a loop device entry.");
* disk.Enabled = false;
* }*/
}
}
//If we are asked to manage loop devices, call Linux discoverer to the rescue
// and replace actual layout by the one we got from it
if (loopNames.Count > 0)
{
lsd = new LinuxStorageDiscoverer();
lsd.LogEvent += LogReceivedEvent;
lsd.Initialize(loopNames, Path.Combine(Utilities.ConfigManager.GetValue("Storage.IndexPath"), "tmp"));
StorageLayout fromLinuxDiscovererLayout = lsd.BuildStorageLayout();
foreach (IDiskElement ldlEntry in fromLinuxDiscovererLayout.Entries)
{
foreach (IDiskElement elt in layout.Entries)
{
if (!(elt is Disk) || !(ldlEntry is Disk))
{
continue;
}
Console.WriteLine("vmware disk path=" + elt.Path + ", proxiedpath=" + ((Disk)elt).ProxiedPath + ", linuxdisco path=" + ldlEntry.Path + ", linuxdisco proxiedpath=" + ((Disk)ldlEntry).ProxiedPath);
if (((Disk)elt).ProxiedPath == ((Disk)ldlEntry).Path)
{
foreach (IDiskElement newE in ldlEntry.Children)
{
elt.AddChild(newE);
}
}
}
}
}
//disk.Children.AddRange(lsd.GetSysfsPartitions(disk.ProxiedPath, ""));
// Now, we should have everything that is was possible to gather about disk layout.
// Finish it by parsing MBR/bootmanager and compare partitions layouts
foreach (IDiskElement elt in layout.Entries)
{
if (!(elt is Disk))
{
continue;
}
Disk d = (Disk)elt;
if (d.BlockStream == null)
{
Logger.Append(Severity.ERROR, "No access to block device '" + d.Path + "' stream, cannot finish building disk layout");
continue;
}
d.MbrBytes = new byte[512];
d.BlockStream.Read(d.MbrBytes, 0, 512);
MBR mbr = new MBR(d.MbrBytes);
d.Signature = mbr.DiskSignature;
/*if(d.TreatAsLoop)
* disk.Children.AddRange(lsd.GetSysfsPartitions(disk.ProxiedPath, ""));
* else
* disk.Children.AddRange(lsd.GetSysfsPartitions(disk.Path, ""));*/
foreach (Partition p in GetPartitionsFromMBR(d))
{
bool ofound = false;
foreach (IDiskElement dskE in d.Children)
{
//Console.WriteLine (" EEEEEEEEEEEE current elt is "+dskE.ToString());
if (!(dskE is Partition))
{
continue;
}
Partition tempP = (Partition)dskE;
//Console.WriteLine (" EEEEEEEEEEEE MBR says : "+p.ToString());
//Console.WriteLine (" EEEEEEEEEEEEinside layout.children.Children : "+tempP.ToString());
if (tempP.Offset != p.Offset)
{
continue;
}
ofound = true;
if (dskE.Size == 0)
{
Logger.Append(Severity.TRIVIA, "added 'size' information to partition with offset " + dskE.Offset);
dskE.Size = p.Size;
}
if (dskE.Size != p.Size)
{
Logger.Append(Severity.WARNING, "Mismatch in 'size' information between discoverer and MBR for partition with offset " + dskE.Offset
+ ", trusting MBR");
dskE.Size = p.Size;
}
tempP.Type = p.Type;
break;
}
if (!ofound) // MBR partition undected by storage discoverer
{
Logger.Append(Severity.TRIVIA, "Adding new partition from MBR, previously undiscovered. Partition is " + p.ToString());
elt.AddChild(p);
}
}
}
}
private static List <Partition> GetPartitionsFromMBR(IDiskElement element)
{
// foreach(IDiskElement subElts in element.Children){
//check if there are already PartitionSchemes for this disk
//if(
//}
List <Partition> partitions = new List <Partition>();
//try to find if disk element has an MBR, and, if yes, read it and retrieve partitions
Logger.Append(Severity.DEBUG, "Discovering block device '" + element.Path + "' partitions...");
MBR mbr;
if (element is Disk && ((Disk)element).MbrBytes != null)
{
Logger.Append(Severity.TRIVIA, "Disc has MBR sector attached");
mbr = new MBR(((Disk)element).MbrBytes);
}
else if (!string.IsNullOrEmpty(element.Path))
{
mbr = new MBR(element.Path);
}
else
{
return(null);
}
//if (mbr.IsValid()){
int i = 0;
foreach (IBMPartitionInformation partition in mbr.Partitions)
{
if (partition.StartLBA == 0 && partition.LengthLBA == 0)
{
continue; // unaffected partition
}
i++;
Partition part = new Partition();
/*if(Node.Utilities.PlatForm.IsUnixClient())
* part.Path = "/dev/*/
part.Bootable = partition.Bootable;
part.Schema = PartitionSchemes.Classical;
part.Type = partition.PartitionType;
part.Offset = partition.StartLBA;
part.Size = partition.LengthLBA * 512; // ????? s this correct?
part.Parents.Add(element);
Logger.Append(Severity.DEBUG, "Found partition, type " + part.Type.ToString() + ", offset " + part.Offset + ", size " + part.Size / 1024 / 1024 + "MB, bootable:" + part.Bootable);
if (part.Type == PartitionTypes.LinuxExtended ||
part.Type == PartitionTypes.Microsoft_Extended ||
part.Type == PartitionTypes.Microsoft_Extended_LBA)
{
try{
part.IsComplete = false;
part.BlockStream = ((Disk)element).BlockStream;
//debug
List <Partition> extendedParts = GetExtendedPartitions(part, part.Offset, 0);
/*foreach(Partition extP in extendedParts)
* Console.WriteLine (" EXTENDED : got "+extP.ToString());*/
partitions.AddRange(extendedParts);
}
catch (Exception e) {
Logger.Append(Severity.DEBUG, "Extended partition doesn't seem to have child partitions : " + e.ToString());
}
}
else if (part.Type == PartitionTypes.EFI_GPT_Disk || part.Type == PartitionTypes.EFI_System_Partition)
{
Logger.Append(Severity.WARNING, "Found partitions indentifying themselves as GPT. GPT/EFI is not yet supported!");
}
else
{
part.IsComplete = true;
}
partitions.Add(part);
}
//}
//else
return(partitions);
}
internal IBMPartitionInformation(MBR mbr, int index)
{
this.mbr = mbr;
this.offset = 446 + 16 * index;
}
