/* fsid */
/// <exception cref="System.IO.IOException"/>
public static Nfs3FileAttributes GetFileAttr(DFSClient client, string fileIdPath,
IdMappingServiceProvider iug)
{
HdfsFileStatus fs = GetFileStatus(client, fileIdPath);
return(fs == null ? null : GetNfs3FileAttrFromFileStatus(fs, iug));
}
// TODO: maybe not efficient
/// <exception cref="System.IO.IOException"/>
public static WccData CreateWccData(WccAttr preOpAttr, DFSClient dfsClient, string
fileIdPath, IdMappingServiceProvider iug)
{
Nfs3FileAttributes postOpDirAttr = GetFileAttr(dfsClient, fileIdPath, iug);
return(new WccData(preOpAttr, postOpDirAttr));
}
public static Nfs3FileAttributes GetNfs3FileAttrFromFileStatus(HdfsFileStatus fs,
IdMappingServiceProvider iug)
{
NfsFileType fileType = fs.IsDir() ? NfsFileType.Nfsdir : NfsFileType.Nfsreg;
fileType = fs.IsSymlink() ? NfsFileType.Nfslnk : fileType;
int nlink = (fileType == NfsFileType.Nfsdir) ? fs.GetChildrenNum() + 2 : 1;
long size = (fileType == NfsFileType.Nfsdir) ? GetDirSize(fs.GetChildrenNum()) :
fs.GetLen();
return(new Nfs3FileAttributes(fileType, nlink, fs.GetPermission().ToShort(), iug.
GetUidAllowingUnknown(fs.GetOwner()), iug.GetGidAllowingUnknown(fs.GetGroup()),
size, 0, fs.GetFileId(), fs.GetModificationTime(), fs.GetAccessTime(), new Nfs3FileAttributes.Specdata3
()));
}
/// <summary>If the file is in cache, update the size based on the cached data size</summary>
/// <exception cref="System.IO.IOException"/>
internal virtual Nfs3FileAttributes GetFileAttr(DFSClient client, FileHandle fileHandle
, IdMappingServiceProvider iug)
{
string fileIdPath = Nfs3Utils.GetFileIdPath(fileHandle);
Nfs3FileAttributes attr = Nfs3Utils.GetFileAttr(client, fileIdPath, iug);
if (attr != null)
{
OpenFileCtx openFileCtx = fileContextCache.Get(fileHandle);
if (openFileCtx != null)
{
attr.SetSize(openFileCtx.GetNextOffset());
attr.SetUsed(openFileCtx.GetNextOffset());
}
}
return(attr);
}
internal WriteManager(IdMappingServiceProvider iug, NfsConfiguration config, bool
aixCompatMode)
{
this.iug = iug;
this.config = config;
this.aixCompatMode = aixCompatMode;
streamTimeout = config.GetLong(NfsConfigKeys.DfsNfsStreamTimeoutKey, NfsConfigKeys
.DfsNfsStreamTimeoutDefault);
Log.Info("Stream timeout is " + streamTimeout + "ms.");
if (streamTimeout < NfsConfigKeys.DfsNfsStreamTimeoutMinDefault)
{
Log.Info("Reset stream timeout to minimum value " + NfsConfigKeys.DfsNfsStreamTimeoutMinDefault
+ "ms.");
streamTimeout = NfsConfigKeys.DfsNfsStreamTimeoutMinDefault;
}
maxStreams = config.GetInt(NfsConfigKeys.DfsNfsMaxOpenFilesKey, NfsConfigKeys.DfsNfsMaxOpenFilesDefault
);
Log.Info("Maximum open streams is " + maxStreams);
this.fileContextCache = new OpenFileCtxCache(config, streamTimeout);
}
public SysSecurityHandler(CredentialsSys credentialsSys, IdMappingServiceProvider
iug)
{
this.mCredentialsSys = credentialsSys;
this.iug = iug;
}
