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Send device open command packet.

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This commit is contained in:
Natalia Portillo
2019-10-13 22:29:09 +01:00
parent a83be0d5d6
commit ecad51de73
4 changed files with 147 additions and 54 deletions
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109
DiscImageChef.Devices/Device/Constructor.cs
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@@ -76,75 +76,78 @@ namespace DiscImageChef.Devices
remote = new Remote.Remote(host);
throw new NotImplementedException("Remote devices not yet implemented...");
Error = remote.Open(devicePath, out var errno);
LastError = errno;
}
switch (PlatformId)
else
{
case PlatformID.Win32NT:
switch (PlatformId)
{
FileHandle = Extern.CreateFile(devicePath, FileAccess.GenericRead | FileAccess.GenericWrite,
FileShare.Read | FileShare.Write, IntPtr.Zero,
FileMode.OpenExisting,
FileAttributes.Normal, IntPtr.Zero);
if (((SafeFileHandle) FileHandle).IsInvalid)
case PlatformID.Win32NT:
{
Error = true;
LastError = Marshal.GetLastWin32Error();
}
FileHandle = Extern.CreateFile(devicePath, FileAccess.GenericRead | FileAccess.GenericWrite,
FileShare.Read | FileShare.Write, IntPtr.Zero,
FileMode.OpenExisting,
FileAttributes.Normal, IntPtr.Zero);
break;
}
case PlatformID.Linux:
{
FileHandle =
Linux.Extern.open(devicePath,
FileFlags.ReadWrite | FileFlags.NonBlocking | FileFlags.CreateNew);
if ((int) FileHandle < 0)
{
LastError = Marshal.GetLastWin32Error();
if (LastError == 13 || LastError == 30) // EACCES or EROFS
{
FileHandle = Linux.Extern.open(devicePath, FileFlags.Readonly | FileFlags.NonBlocking);
if ((int) FileHandle < 0)
{
Error = true;
LastError = Marshal.GetLastWin32Error();
}
}
else
if (((SafeFileHandle) FileHandle).IsInvalid)
{
Error = true;
LastError = Marshal.GetLastWin32Error();
}
LastError = Marshal.GetLastWin32Error();
break;
}
break;
}
case PlatformID.FreeBSD:
{
FileHandle = FreeBSD.Extern.cam_open_device(devicePath, FreeBSD.FileFlags.ReadWrite);
if (((IntPtr) FileHandle).ToInt64() == 0)
case PlatformID.Linux:
{
Error = true;
LastError = Marshal.GetLastWin32Error();
FileHandle =
Linux.Extern.open(devicePath,
FileFlags.ReadWrite | FileFlags.NonBlocking | FileFlags.CreateNew);
if ((int) FileHandle < 0)
{
LastError = Marshal.GetLastWin32Error();
if (LastError == 13 || LastError == 30) // EACCES or EROFS
{
FileHandle = Linux.Extern.open(devicePath, FileFlags.Readonly | FileFlags.NonBlocking);
if ((int) FileHandle < 0)
{
Error = true;
LastError = Marshal.GetLastWin32Error();
}
}
else
{
Error = true;
}
LastError = Marshal.GetLastWin32Error();
}
break;
}
case PlatformID.FreeBSD:
{
FileHandle = FreeBSD.Extern.cam_open_device(devicePath, FreeBSD.FileFlags.ReadWrite);
var camDevice = (CamDevice) Marshal.PtrToStructure((IntPtr) FileHandle, typeof(CamDevice));
if (((IntPtr) FileHandle).ToInt64() == 0)
{
Error = true;
LastError = Marshal.GetLastWin32Error();
}
if (StringHandlers.CToString(camDevice.SimName) == "ata")
throw new
InvalidOperationException(
"Parallel ATA devices are not supported on FreeBSD due to upstream bug #224250.");
var camDevice = (CamDevice) Marshal.PtrToStructure((IntPtr) FileHandle, typeof(CamDevice));
break;
if (StringHandlers.CToString(camDevice.SimName) == "ata")
throw new
InvalidOperationException(
"Parallel ATA devices are not supported on FreeBSD due to upstream bug #224250.");
break;
}
default: throw new InvalidOperationException($"Platform {PlatformId} not yet supported.");
}
default: throw new InvalidOperationException($"Platform {PlatformId} not yet supported.");
}
if (Error) throw new SystemException($"Error {LastError} opening device.");