aaru-dps/Aaru.Server
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.Server.git synced 2025-12-16 19:24:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add interface for setting media geometry.

Browse Source
This commit is contained in:
Natalia Portillo
2018-01-01 20:56:33 +00:00
parent df563dd2dd
commit 4756fd8e7c
17 changed files with 376 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
DiscImageChef.DiscImages/VHD.cs
View File

@@ -1218,24 +1218,26 @@ namespace DiscImageChef.DiscImages
Version thisVersion = GetType().Assembly.GetName().Version;
// TODO: Interface to set geometry
imageInfo.Cylinders = (uint)(imageInfo.Sectors / 16 / 63);
imageInfo.Heads = 16;
imageInfo.SectorsPerTrack = 63;
while(imageInfo.Cylinders == 0)
if(imageInfo.Cylinders == 0)
{
imageInfo.Heads--;
imageInfo.Cylinders = (uint)(imageInfo.Sectors / 16 / 63);
imageInfo.Heads = 16;
imageInfo.SectorsPerTrack = 63;
if(imageInfo.Heads == 0)
while(imageInfo.Cylinders == 0)
{
imageInfo.SectorsPerTrack--;
imageInfo.Heads = 16;
imageInfo.Heads--;
if(imageInfo.Heads == 0)
{
imageInfo.SectorsPerTrack--;
imageInfo.Heads = 16;
}
imageInfo.Cylinders = (uint)(imageInfo.Sectors / imageInfo.Heads / imageInfo.SectorsPerTrack);
if(imageInfo.Cylinders == 0 && imageInfo.Heads == 0 && imageInfo.SectorsPerTrack == 0) break;
}
imageInfo.Cylinders = (uint)(imageInfo.Sectors / imageInfo.Heads / imageInfo.SectorsPerTrack);
if(imageInfo.Cylinders == 0 && imageInfo.Heads == 0 && imageInfo.SectorsPerTrack == 0) break;
}
HardDiskFooter footer = new HardDiskFooter
@@ -1294,6 +1296,33 @@ namespace DiscImageChef.DiscImages
return true;
}
public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
{
if(cylinders > 0xFFFF)
{
ErrorMessage = "Too many cylinders.";
return false;
}
if(heads > 0xFF)
{
ErrorMessage = "Too many heads.";
return false;
}
if(sectorsPerTrack > 0xFF)
{
ErrorMessage = "Too many sectors per track.";
return false;
}
imageInfo.SectorsPerTrack = sectorsPerTrack;
imageInfo.Heads = heads;
imageInfo.Cylinders = cylinders;
return true;
}
static uint VhdChecksum(IEnumerable<byte> data)
{
uint checksum = data.Aggregate<byte, uint>(0, (current, b) => current + b);