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src: dotnet: refactor FileSystem class into FileSystemHost and FileSystemBase

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This commit is contained in:
Bill Zissimopoulos
2017-04-16 11:46:16 -07:00
parent 8787f2c528
commit 1ee563cd13
5 changed files with 699 additions and 573 deletions
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110
tst/passthrough-dotnet/Program.cs
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@ -27,7 +27,7 @@ using FileInfo = Fsp.Interop.FileInfo;
namespace passthrough
{
class Ptfs : FileSystem
class Ptfs : FileSystemBase
{
protected const int ALLOCATION_UNIT = 4096;
@ -277,40 +277,41 @@ namespace passthrough
private static DirectoryEntryComparer _DirectoryEntryComparer =
new DirectoryEntryComparer();
public Ptfs() : base()
public Ptfs(String Path0)
{
SectorSize = ALLOCATION_UNIT;
SectorsPerAllocationUnit = 1;
MaxComponentLength = 255;
FileInfoTimeout = 1000;
CaseSensitiveSearch = false;
CasePreservedNames = true;
UnicodeOnDisk = true;
PersistentAcls = true;
PostCleanupWhenModifiedOnly = true;
PassQueryDirectoryPattern = true;
}
public void SetPath(String value)
{
_Path = Path.GetFullPath(value);
_Path = Path.GetFullPath(Path0);
if (_Path.EndsWith("\\"))
_Path = _Path.Substring(0, _Path.Length - 1);
VolumeCreationTime = (UInt64)File.GetCreationTimeUtc(_Path).ToFileTimeUtc();
VolumeSerialNumber = 0;
}
protected override Int32 ExceptionHandler(Exception ex)
public String ConcatPath(String FileName)
{
return _Path + FileName;
}
public override Int32 ExceptionHandler(Exception ex)
{
Int32 HResult = ex.HResult; /* needs Framework 4.5 */
if (0x80070000 == (HResult & 0xFFFF0000))
return NtStatusFromWin32((UInt32)HResult & 0xFFFF);
return STATUS_UNEXPECTED_IO_ERROR;
}
protected String ConcatPath(String FileName)
public override Int32 Init(Object Host0)
{
return _Path + FileName;
FileSystemHost Host = (FileSystemHost)Host0;
Host.SectorSize = ALLOCATION_UNIT;
Host.SectorsPerAllocationUnit = 1;
Host.MaxComponentLength = 255;
Host.FileInfoTimeout = 1000;
Host.CaseSensitiveSearch = false;
Host.CasePreservedNames = true;
Host.UnicodeOnDisk = true;
Host.PersistentAcls = true;
Host.PostCleanupWhenModifiedOnly = true;
Host.PassQueryDirectoryPattern = true;
Host.VolumeCreationTime = (UInt64)File.GetCreationTimeUtc(_Path).ToFileTimeUtc();
Host.VolumeSerialNumber = 0;
return STATUS_SUCCESS;
}
protected override Int32 GetVolumeInfo(
public override Int32 GetVolumeInfo(
out VolumeInfo VolumeInfo)
{
VolumeInfo = default(VolumeInfo);
@ -329,7 +330,7 @@ namespace passthrough
}
return STATUS_SUCCESS;
}
protected override Int32 GetSecurityByName(
public override Int32 GetSecurityByName(
String FileName,
out UInt32 FileAttributes/* or ReparsePointIndex */,
ref Byte[] SecurityDescriptor)
@ -341,7 +342,7 @@ namespace passthrough
SecurityDescriptor = Info.GetAccessControl().GetSecurityDescriptorBinaryForm();
return STATUS_SUCCESS;
}
protected override Int32 Create(
public override Int32 Create(
String FileName,
UInt32 CreateOptions,
UInt32 GrantedAccess,
@ -401,7 +402,7 @@ namespace passthrough
throw;
}
}
protected override Int32 Open(
public override Int32 Open(
String FileName,
UInt32 CreateOptions,
UInt32 GrantedAccess,
@ -442,7 +443,7 @@ namespace passthrough
throw;
}
}
protected override Int32 Overwrite(
public override Int32 Overwrite(
Object FileNode,
Object FileDesc0,
UInt32 FileAttributes,
@ -458,7 +459,7 @@ namespace passthrough
FileDesc.Stream.SetLength(0);
return FileDesc.GetFileInfo(out FileInfo);
}
protected override void Cleanup(
public override void Cleanup(
Object FileNode,
Object FileDesc0,
String FileName,
@ -472,7 +473,7 @@ namespace passthrough
FileDesc.Stream.Dispose();
}
}
protected override void Close(
public override void Close(
Object FileNode,
Object FileDesc0)
{
@ -480,7 +481,7 @@ namespace passthrough
if (null != FileDesc.Stream)
FileDesc.Stream.Dispose();
}
protected override Int32 Read(
public override Int32 Read(
Object FileNode,
Object FileDesc0,
IntPtr Buffer,
@ -497,7 +498,7 @@ namespace passthrough
Marshal.Copy(Bytes, 0, Buffer, Bytes.Length);
return STATUS_SUCCESS;
}
protected override Int32 Write(
public override Int32 Write(
Object FileNode,
Object FileDesc0,
IntPtr Buffer,
@ -528,7 +529,7 @@ namespace passthrough
PBytesTransferred = (UInt32)Bytes.Length;
return FileDesc.GetFileInfo(out FileInfo);
}
protected override Int32 Flush(
public override Int32 Flush(
Object FileNode,
Object FileDesc0,
out FileInfo FileInfo)
@ -543,7 +544,7 @@ namespace passthrough
FileDesc.Stream.Flush(true);
return FileDesc.GetFileInfo(out FileInfo);
}
protected override Int32 GetFileInfo(
public override Int32 GetFileInfo(
Object FileNode,
Object FileDesc0,
out FileInfo FileInfo)
@ -551,7 +552,7 @@ namespace passthrough
FileDesc FileDesc = (FileDesc)FileDesc0;
return FileDesc.GetFileInfo(out FileInfo);
}
protected override Int32 SetBasicInfo(
public override Int32 SetBasicInfo(
Object FileNode,
Object FileDesc0,
UInt32 FileAttributes,
@ -565,7 +566,7 @@ namespace passthrough
FileDesc.SetBasicInfo(FileAttributes, CreationTime, LastAccessTime, LastWriteTime);
return FileDesc.GetFileInfo(out FileInfo);
}
protected override Int32 SetFileSize(
public override Int32 SetFileSize(
Object FileNode,
Object FileDesc0,
UInt64 NewSize,
@ -584,7 +585,7 @@ namespace passthrough
}
return FileDesc.GetFileInfo(out FileInfo);
}
protected override Int32 CanDelete(
public override Int32 CanDelete(
Object FileNode,
Object FileDesc0,
String FileName)
@ -593,7 +594,7 @@ namespace passthrough
FileDesc.SetDisposition(false);
return STATUS_SUCCESS;
}
protected override Int32 Rename(
public override Int32 Rename(
Object FileNode,
Object FileDesc0,
String FileName,
@ -605,7 +606,7 @@ namespace passthrough
FileDesc.Rename(FileName, NewFileName, ReplaceIfExists);
return STATUS_SUCCESS;
}
protected override Int32 GetSecurity(
public override Int32 GetSecurity(
Object FileNode,
Object FileDesc0,
ref Byte[] SecurityDescriptor)
@ -614,7 +615,7 @@ namespace passthrough
SecurityDescriptor = FileDesc.GetSecurityDescriptor();
return STATUS_SUCCESS;
}
protected override Int32 SetSecurity(
public override Int32 SetSecurity(
Object FileNode,
Object FileDesc0,
AccessControlSections Sections,
@ -624,7 +625,7 @@ namespace passthrough
FileDesc.SetSecurityDescriptor(Sections, SecurityDescriptor);
return STATUS_SUCCESS;
}
protected override Boolean ReadDirectoryEntry(
public override Boolean ReadDirectoryEntry(
Object FileNode,
Object FileDesc0,
String Pattern,
@ -703,7 +704,6 @@ namespace passthrough
protected override void OnStart(String[] Args)
{
String FailMessage = null;
try
{
String DebugLogFile = null;
@ -712,6 +712,7 @@ namespace passthrough
String PassThrough = null;
String MountPoint = null;
IntPtr DebugLogHandle = (IntPtr)(-1);
FileSystemHost Host = null;
Ptfs Ptfs = null;
int I;
@ -770,18 +771,15 @@ namespace passthrough
throw new CommandLineUsageException();
if (null != DebugLogFile)
if (0 > FileSystem.SetDebugLogFile(DebugLogFile))
if (0 > FileSystemHost.SetDebugLogFile(DebugLogFile))
throw new CommandLineUsageException("cannot open debug log file");
FailMessage = "cannot create file system";
Ptfs = new Ptfs();
Ptfs.Prefix = VolumePrefix;
Ptfs.SetPath(PassThrough);
FailMessage = "cannot mount file system";
Ptfs.Mount(MountPoint, null, true, DebugFlags);
MountPoint = Ptfs.MountPoint();
_Ptfs = Ptfs;
Host = new FileSystemHost(Ptfs = new Ptfs(PassThrough));
Host.Prefix = VolumePrefix;
if (0 > Host.Mount(MountPoint, null, true, DebugFlags))
throw new IOException("cannot mount file system");
MountPoint = Host.MountPoint();
_Host = Host;
Log(EVENTLOG_INFORMATION_TYPE, String.Format("{0}{1}{2} -p {3} -m {4}",
PROGNAME,
@ -808,16 +806,14 @@ namespace passthrough
}
catch (Exception ex)
{
Log(EVENTLOG_ERROR_TYPE, String.Format("{0}{1}",
null != FailMessage ? FailMessage + "\n" : "",
ex.Message));
Log(EVENTLOG_ERROR_TYPE, String.Format("{0}", ex.Message));
throw;
}
}
protected override void OnStop()
{
_Ptfs.Unmount();
_Ptfs = null;
_Host.Unmount();
_Host = null;
}
private static void argtos(String[] Args, ref int I, ref String V)
@ -836,7 +832,7 @@ namespace passthrough
throw new CommandLineUsageException();
}
private Ptfs _Ptfs;
private FileSystemHost _Host;
}
class Program