protected internal override void DoDeleteItem(FileSystemSessionItem item)
{
var s3session = (S3V4FileSystemSession)item.Session;
var handle = (S3V4FSH)item.Handle;
FileSystemFile file = item as FileSystemFile;
if (file != null)
{
S3V4.RemoveItem(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs);
return;
}
FileSystemDirectory dir = item as FileSystemDirectory;
if (dir != null)
{
// reverse order to get children prior to parents
foreach (S3V4ListBucketItem subItem in getSubitemNames(dir, true).Reverse())
{
string subItemPath = CombinePaths(handle.Path, subItem.Key);
S3V4.RemoveItem(subItemPath, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs);
}
S3V4.RemoveFolder(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs);
return;
}
}
protected internal override ulong DoGetItemSize(FileSystemSessionItem item)
{
var s3session = (S3V4FileSystemSession)item.Session;
var handle = item.Handle as S3V4FSH;
FileSystemFile file = item as FileSystemFile;
if (file != null)
{
IDictionary <string, string> metaHeaders = S3V4.GetItemMetadata(handle.Path,
s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs);
return((ulong)metaHeaders["Content-Length"].AsLong());
}
FileSystemDirectory dir = item as FileSystemDirectory;
if (dir != null)
{
ulong size = 0;
foreach (S3V4ListBucketItem subItem in getSubitemNames(dir, true).Where(si => !si.IsFolder))
{
size += subItem.Size;
}
return(size);
}
throw new NFXException(NFX.Web.StringConsts.ARGUMENT_ERROR + this.GetType().Name + ".DoGetItemSize(item is FileSystemFile or FileSystemDirectory)");
}
private IEnumerable <S3V4ListBucketItem> getSubitemNames(FileSystemDirectory directory, bool recursive, int maxKeys = 1000)
{
var s3session = (S3V4FileSystemSession)directory.Session;
var handle = directory.Handle as S3V4FSH;
string prefix = handle.Path.ToDirectoryPath().TrimStart(PATH_SEPARATOR);
string xml = S3V4.ListBucket(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs,
prefix, maxKeys: maxKeys);
S3V4ListBucketResult list = S3V4ListBucketResult.FromXML(xml);
while (list.IsTruncated)
{
xml = S3V4.ListBucket(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs,
prefix, marker: list.Items.Last().Key, maxKeys: maxKeys);
list.AddXML(xml);
}
IEnumerable <S3V4ListBucketItem> q = list.Items;
if (!recursive)
{
q = q.Where(i => !i.IsNested);
}
return(q.ToList());
}
protected override void DoFlush()
{
if (m_IsChanged)
{
//S3V4.PutFile(m_Uri, m_Session.AccessKey, m_Session.SecretKey, BufferStream);
S3V4.PutFile(m_Handle.Path, m_Session.AccessKey, m_Session.SecretKey, m_Session.Bucket, m_Session.Region, BufferStream, m_timeoutMs);
m_IsChanged = false;
}
}
protected internal override DateTime?DoGetModificationTimestamp(FileSystemSessionItem item)
{
var s3session = (S3V4FileSystemSession)item.Session;
var handle = item.Handle as S3V4FSH;
var metaHeaders = S3V4.GetItemMetadata(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region,
s3session.TimeoutMs);
return(metaHeaders["Last-Modified"].AsDateTime());
}
protected internal override FileSystemDirectory DoCreateDirectory(FileSystemDirectory dir, string name)
{
var s3session = (S3V4FileSystemSession)dir.Session;
var dirPath = this.CombinePaths(dir.Path, name);
var handle = new S3V4FSH(dirPath);
S3V4.PutFolder(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs);
return(new FileSystemDirectory(s3session, handle.Parent, handle.Name, handle));
}
public S3V4FileSystemStream(FileSystemFile file, Action <FileSystemStream> disposeAction, int timeoutMs) : base(file, disposeAction)
{
m_Handle = (S3V4FileSystem.S3V4FSH)file.Handle;
m_timeoutMs = timeoutMs;
m_Session = file.Session as S3V4FileSystemSession;
m_IsNewFile = !S3V4.FileExists(m_Handle.Path, m_Session.AccessKey, m_Session.SecretKey, m_Session.Bucket, m_Session.Region,
timeoutMs);
}
protected internal override FileSystemFile DoCreateFile(FileSystemDirectory dir, string name, string localFile, bool readOnly)
{
var s3session = (S3V4FileSystemSession)dir.Session;
var filePath = this.CombinePaths(dir.Path, name);
var handle = new S3V4FSH(filePath);
using (System.IO.FileStream r = new System.IO.FileStream(localFile, System.IO.FileMode.Open, System.IO.FileAccess.Read))
{
S3V4.PutFile(filePath, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, r, s3session.TimeoutMs);
return(new FileSystemFile(dir.Session, handle.Parent, handle.Name, handle));
}
}
protected internal override FileSystemFile DoCreateFile(FileSystemDirectory dir, string name, int size)
{
var s3session = (S3V4FileSystemSession)dir.Session;
var filePath = this.CombinePaths(dir.Path, name);
var handle = new S3V4FSH(filePath);
byte[] bytes = new byte[size];
MemoryStream contentStream = new MemoryStream(bytes);
S3V4.PutFile(handle.Path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, contentStream, s3session.TimeoutMs);
return(new FileSystemFile(s3session, handle.Parent, handle.Name, handle));
}
protected internal override FileSystemSessionItem DoNavigate(FileSystemSession session, string path)
{
var s3session = (S3V4FileSystemSession)session;
S3V4FSH handle = new S3V4FSH(path);
if (path != "" && S3V4.FileExists(path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs))
{
return(new FileSystemFile(s3session, handle.Parent, handle.Name, handle));
}
if (S3V4.FolderExists(path, s3session.AccessKey, s3session.SecretKey, s3session.Bucket, s3session.Region, s3session.TimeoutMs))
{
return(new FileSystemDirectory(s3session, handle.Parent, handle.Name, handle));
}
return(null);
}