public void CopyFile(string fromVirtualPath, string destinationVirtualPath)
{
var source = Path.File(fromVirtualPath);
var target = Path.File(destinationVirtualPath);
using (var trx = _sessionProvider.OpenSession.Session.BeginTransaction())
{
AssertParentExists(target);
var file = GetSpecificItem(source);
var copy = new FileSystemItem
{
Path = target,
Data = file.Data,
Length = file.Length,
Created = DateTime.Now
};
_sessionProvider.OpenSession.Session.Save(copy);
trx.Commit();
}
if (FileCopied != null)
{
FileCopied.Invoke(this, new FileEventArgs(destinationVirtualPath, fromVirtualPath));
}
}
public DatabaseFileSystemStream(FileSystemItem file, DatabaseFileSystem fileSys, ISession session, int chunkSize)
{
if (file == null) throw new Exception("attachedTo must not be null");
if (fileSys == null) throw new Exception("fileSys most not be null");
this.file = file;
this.fs = fileSys;
this.session = session;
this.chunkSize = chunkSize;
Position = 0;
}
public void CopyFile(string fromVirtualPath, string destinationVirtualPath)
{
var source = FileSystemPath.File(fromVirtualPath);
var target = FileSystemPath.File(destinationVirtualPath);
var s = Session;
using (var trx = s.BeginTransaction())
{
AssertParentExists(target);
var file = GetSpecificItem(source);
var copy = new FileSystemItem
{
Path = target,
Length = file.Length,
Created = Utility.CurrentTime(),
Updated = Utility.CurrentTime()
};
s.Save(copy);
foreach (var sourceChunk in GetChunks(file))
{
var chunkCopy = CreateChunk(copy, sourceChunk.Offset, sourceChunk.Data);
s.Save(chunkCopy);
s.Flush();
s.Evict(sourceChunk);
s.Evict(chunkCopy);
}
trx.Commit();
}
if (FileCopied != null)
{
FileCopied.Invoke(this, new FileEventArgs(destinationVirtualPath, fromVirtualPath));
}
}
private IEnumerable<FileSystemChunk> GetChunks(FileSystemItem file)
{
return Session.CreateQuery("from FileSystemChunk fsc where fsc.BelongsTo = :belongsTo order by fsc.Offset")
.SetParameter("belongsTo", file)
.Enumerable<FileSystemChunk>();
}
private void CreateFile(FileSystemPath virtualPath, Stream inputStream)
{
EnsureParentExists(virtualPath);
CheckStreamSize(inputStream, virtualPath);
long fileSize = inputStream.CanSeek ? inputStream.Length : 0;
using (var trx = Session.BeginTransaction())
{
var item = new FileSystemItem
{
Path = virtualPath,
Created = Utility.CurrentTime(),
Updated = Utility.CurrentTime(),
Length = fileSize
};
Session.Save(item);
var temp = new byte[chunkSize];
int offset = 0;
int size = 0;
while(true)
{
size = inputStream.Read(temp, 0, temp.Length);
if (size <= 0)
break;
var buffer = Copy(temp, size);
var chunk = CreateChunk(item, offset, buffer);
Session.Save(chunk);
if (size < temp.Length)
break;
offset += size;
}
if (fileSize == 0)
{
item.Length = offset + size;
Session.Update(item);
}
trx.Commit();
}
//using (var buffer = (inputStream.CanSeek && (inputStream.Length <= int.MaxValue) ? new MemoryStream((int)inputStream.Length) : new MemoryStream()))
//{
// AssertParentExists(virtualPath);
// inputStream.Position = 0;
// CopyStream(inputStream, buffer);
// inputStream.Position = 0;
// var item = new FileSystemItem
// {
// Path = virtualPath,
// Data = (inputStream.CanSeek && inputStream.Length == buffer.GetBuffer().Length ) ? buffer.GetBuffer() : buffer.ToArray(),
// Created = Utility.CurrentTime(),
// Updated = Utility.CurrentTime(),
// Length = buffer.Length
// };
// Session.Save(item);
// trx.Commit();
//}
}
private void CreateDirectoryInternal(string virtualPath)
{
var path = FileSystemPath.Directory(virtualPath);
if (virtualPath != "/")
{
EnsureParentExists(path);
}
var item = new FileSystemItem
{
Path = path,
Created = Utility.CurrentTime(),
Updated = Utility.CurrentTime()
};
Session.Save(item);
}
private static FileSystemChunk CreateChunk(FileSystemItem item, int offset, byte[] buffer)
{
var chunk = new FileSystemChunk
{
BelongsTo = item,
Data = buffer,
Offset = offset
};
return chunk;
}
public DatabaseFileSystemStream(FileSystemItem attachedTo, DatabaseFileSystem fileSys, byte [] data)
{
if(attachedTo==null) throw new Exception("attachedTo must not be null");
if(fileSys == null) throw new Exception("fileSys most not be null");
this.attachedTo = attachedTo;
this.fileSys = fileSys;
base.Write(data, 0, data.Length);
Position = 0;
}
private void _CreateDirectory(string virtualPath)
{
var path = Path.Directory(virtualPath);
if (virtualPath != "/")
{
EnsureParentExists(path);
}
var item = new FileSystemItem
{
Path = path,
Created = DateTime.Now
};
_sessionProvider.OpenSession.Session.Save(item);
}
private void CreateFile(Path virtualPath, Stream inputStream)
{
CheckStreamSize(inputStream,virtualPath);
using (var trx = _sessionProvider.OpenSession.Session.BeginTransaction())
using (var buffer = (inputStream.CanSeek && (inputStream.Length <= int.MaxValue) ? new MemoryStream((int)inputStream.Length) : new MemoryStream()))
{
AssertParentExists(virtualPath);
inputStream.Position = 0;
CopyStream(inputStream, buffer);
inputStream.Position = 0;
var item = new FileSystemItem
{
Path = virtualPath,
Data = (inputStream.CanSeek && inputStream.Length == buffer.GetBuffer().Length ) ? buffer.GetBuffer() : buffer.ToArray(),
Created = DateTime.Now,
Length = buffer.Length
};
_sessionProvider.OpenSession.Session.Save(item);
trx.Commit();
}
}
private IEnumerable <FileSystemChunk> GetChunks(FileSystemItem file)
{
return(Session.CreateQuery("from FileSystemChunk fsc where fsc.BelongsTo = :belongsTo order by fsc.Offset")
.SetParameter("belongsTo", file)
.Enumerable <FileSystemChunk>());
}
private void CreateFile(FileSystemPath virtualPath, Stream inputStream)
{
EnsureParentExists(virtualPath);
CheckStreamSize(inputStream, virtualPath);
long fileSize = inputStream.CanSeek ? inputStream.Length : 0;
using (var trx = Session.BeginTransaction())
{
var item = new FileSystemItem
{
Path = virtualPath,
Created = Utility.CurrentTime(),
Updated = Utility.CurrentTime(),
Length = fileSize
};
Session.Save(item);
var temp = new byte[chunkSize];
int offset = 0;
int size = 0;
while (true)
{
size = inputStream.Read(temp, 0, temp.Length);
if (size <= 0)
{
break;
}
var buffer = Copy(temp, size);
var chunk = CreateChunk(item, offset, buffer);
Session.Save(chunk);
if (size < temp.Length)
{
break;
}
offset += size;
}
if (fileSize == 0)
{
item.Length = offset + size;
Session.Update(item);
}
trx.Commit();
}
//using (var buffer = (inputStream.CanSeek && (inputStream.Length <= int.MaxValue) ? new MemoryStream((int)inputStream.Length) : new MemoryStream()))
//{
// AssertParentExists(virtualPath);
// inputStream.Position = 0;
// CopyStream(inputStream, buffer);
// inputStream.Position = 0;
// var item = new FileSystemItem
// {
// Path = virtualPath,
// Data = (inputStream.CanSeek && inputStream.Length == buffer.GetBuffer().Length ) ? buffer.GetBuffer() : buffer.ToArray(),
// Created = Utility.CurrentTime(),
// Updated = Utility.CurrentTime(),
// Length = buffer.Length
// };
// Session.Save(item);
// trx.Commit();
//}
}
