/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override FileStatus GetFileStatus(Path f)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
FileStatus status = res.targetFileSystem.GetFileStatus(res.remainingPath);
return(FixFileStatus(status, this.MakeQualified(f)));
}
/// <exception cref="System.IO.IOException"/>
public override bool Rename(Path src, Path dst)
{
// passing resolveLastComponet as false to catch renaming a mount point to
// itself. We need to catch this as an internal operation and fail.
InodeTree.ResolveResult <FileSystem> resSrc = fsState.Resolve(GetUriPath(src), false
);
if (resSrc.IsInternalDir())
{
throw ReadOnlyMountTable("rename", src);
}
InodeTree.ResolveResult <FileSystem> resDst = fsState.Resolve(GetUriPath(dst), false
);
if (resDst.IsInternalDir())
{
throw ReadOnlyMountTable("rename", dst);
}
//
// Alternate 3 : renames ONLY within the the same mount links.
//
if (resSrc.targetFileSystem != resDst.targetFileSystem)
{
throw new IOException("Renames across Mount points not supported");
}
return(resSrc.targetFileSystem.Rename(resSrc.remainingPath, resDst.remainingPath));
}
/// <exception cref="System.IO.IOException"/>
public override BlockLocation[] GetFileBlockLocations(FileStatus fs, long start,
long len)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(fs.GetPath()
), true);
return(res.targetFileSystem.GetFileBlockLocations(new ViewFsFileStatus(fs, res.remainingPath
), start, len));
}
/// <exception cref="System.IO.IOException"/>
private Path GetChrootedPath(InodeTree.ResolveResult <FileSystem> res, FileStatus
status, Path f)
{
string suffix = ((ChRootedFileSystem)res.targetFileSystem).StripOutRoot(status.GetPath
());
return(this.MakeQualified(suffix.Length == 0 ? f : new Path(res.resolvedPath, suffix
)));
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override bool Delete(Path f, bool recursive)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
// If internal dir or target is a mount link (ie remainingPath is Slash)
if (res.IsInternalDir() || res.remainingPath == InodeTree.SlashPath)
{
throw ReadOnlyMountTable("delete", f);
}
return(res.targetFileSystem.Delete(res.remainingPath, recursive));
}
public override short GetDefaultReplication(Path f)
{
try
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.GetDefaultReplication(res.remainingPath));
}
catch (FileNotFoundException)
{
throw new NotInMountpointException(f, "getDefaultReplication");
}
}
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
protected internal override RemoteIterator <LocatedFileStatus> ListLocatedStatus(Path
f, PathFilter filter)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
RemoteIterator <LocatedFileStatus> statusIter = res.targetFileSystem.ListLocatedStatus
(res.remainingPath);
if (res.IsInternalDir())
{
return(statusIter);
}
return(new _RemoteIterator_422(this, statusIter, res, f));
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override FileStatus[] ListStatus(Path f)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
FileStatus[] statusLst = res.targetFileSystem.ListStatus(res.remainingPath);
if (!res.IsInternalDir())
{
// We need to change the name in the FileStatus as described in
// {@link #getFileStatus }
int i = 0;
foreach (FileStatus status in statusLst)
{
statusLst[i++] = FixFileStatus(status, GetChrootedPath(res, status, f));
}
}
return(statusLst);
}
public virtual void TestGetFileChecksum()
{
FileSystem mockFS = Org.Mockito.Mockito.Mock <FileSystem>();
InodeTree.ResolveResult <FileSystem> res = new InodeTree.ResolveResult <FileSystem>
(null, mockFS, null, new Path("someFile"));
InodeTree <FileSystem> fsState = Org.Mockito.Mockito.Mock <InodeTree>();
Org.Mockito.Mockito.When(fsState.Resolve("/tmp/someFile", true)).ThenReturn(res);
ViewFileSystem vfs = Org.Mockito.Mockito.Mock <ViewFileSystem>();
vfs.fsState = fsState;
Org.Mockito.Mockito.When(vfs.GetFileChecksum(new Path("/tmp/someFile"))).ThenCallRealMethod
();
vfs.GetFileChecksum(new Path("/tmp/someFile"));
Org.Mockito.Mockito.Verify(mockFS).GetFileChecksum(new Path("someFile"));
}
public virtual void TestGetFileChecksum()
{
AbstractFileSystem mockAFS = Org.Mockito.Mockito.Mock <AbstractFileSystem>();
InodeTree.ResolveResult <AbstractFileSystem> res = new InodeTree.ResolveResult <AbstractFileSystem
>(null, mockAFS, null, new Path("someFile"));
InodeTree <AbstractFileSystem> fsState = Org.Mockito.Mockito.Mock <InodeTree>();
Org.Mockito.Mockito.When(fsState.Resolve(Org.Mockito.Mockito.AnyString(), Org.Mockito.Mockito
.AnyBoolean())).ThenReturn(res);
ViewFs vfs = Org.Mockito.Mockito.Mock <ViewFs>();
vfs.fsState = fsState;
Org.Mockito.Mockito.When(vfs.GetFileChecksum(new Path("/tmp/someFile"))).ThenCallRealMethod
();
vfs.GetFileChecksum(new Path("/tmp/someFile"));
Org.Mockito.Mockito.Verify(mockAFS).GetFileChecksum(new Path("someFile"));
}
/// <exception cref="System.IO.IOException"/>
public override bool Truncate(Path f, long newLength)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.Truncate(f, newLength));
}
/// <exception cref="System.IO.IOException"/>
public override IList <string> ListXAttrs(Path path)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
return(res.targetFileSystem.ListXAttrs(res.remainingPath));
}
/// <exception cref="System.IO.IOException"/>
public override void RemoveXAttr(Path path, string name)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
res.targetFileSystem.RemoveXAttr(res.remainingPath, name);
}
/// <exception cref="System.IO.IOException"/>
public override void SetXAttr(Path path, string name, byte[] value, EnumSet <XAttrSetFlag
> flag)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
res.targetFileSystem.SetXAttr(res.remainingPath, name, value, flag);
}
/// <exception cref="System.IO.IOException"/>
public override IDictionary <string, byte[]> GetXAttrs(Path path, IList <string> names
)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
return(res.targetFileSystem.GetXAttrs(res.remainingPath, names));
}
/// <exception cref="System.IO.IOException"/>
public override void SetAcl(Path path, IList <AclEntry> aclSpec)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
res.targetFileSystem.SetAcl(res.remainingPath, aclSpec);
}
/// <exception cref="System.IO.IOException"/>
public override AclStatus GetAclStatus(Path path)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
return(res.targetFileSystem.GetAclStatus(res.remainingPath));
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override void SetTimes(Path f, long mtime, long atime)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
res.targetFileSystem.SetTimes(res.remainingPath, mtime, atime);
}
/// <exception cref="System.IO.IOException"/>
public override void RemoveAcl(Path path)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
res.targetFileSystem.RemoveAcl(res.remainingPath);
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override FileChecksum GetFileChecksum(Path f)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.GetFileChecksum(res.remainingPath));
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override bool SetReplication(Path f, short replication)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.SetReplication(res.remainingPath, replication));
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override void Access(Path path, FsAction mode)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(path), true);
res.targetFileSystem.Access(res.remainingPath, mode);
}
/// <exception cref="System.IO.IOException"/>
public override FsServerDefaults GetServerDefaults(Path f)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.GetServerDefaults(res.remainingPath));
}
public _RemoteIterator_422(ViewFileSystem _enclosing, RemoteIterator <LocatedFileStatus
> statusIter, InodeTree.ResolveResult <FileSystem> res, Path f)
{
this._enclosing = _enclosing;
this.statusIter = statusIter;
this.res = res;
this.f = f;
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override FSDataInputStream Open(Path f, int bufferSize)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.Open(res.remainingPath, bufferSize));
}
/// <exception cref="System.IO.IOException"/>
public override bool Mkdirs(Path dir, FsPermission permission)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(dir), false);
return(res.targetFileSystem.Mkdirs(res.remainingPath, permission));
}
/// <exception cref="System.IO.IOException"/>
public override ContentSummary GetContentSummary(Path f)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
return(res.targetFileSystem.GetContentSummary(res.remainingPath));
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override void SetOwner(Path f, string username, string groupname)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
res.targetFileSystem.SetOwner(res.remainingPath, username, groupname);
}
/// <summary>Resolve the pathname p relative to root InodeDir</summary>
/// <param name="p">- inout path</param>
/// <param name="resolveLastComponent"></param>
/// <returns>ResolveResult which allows further resolution of the remaining path</returns>
/// <exception cref="System.IO.FileNotFoundException"/>
internal virtual InodeTree.ResolveResult <T> Resolve(string p, bool resolveLastComponent
)
{
// TO DO: - more efficient to not split the path, but simply compare
string[] path = BreakIntoPathComponents(p);
if (path.Length <= 1)
{
// special case for when path is "/"
InodeTree.ResolveResult <T> res = new InodeTree.ResolveResult <T>(InodeTree.ResultKind
.isInternalDir, root.InodeDirFs, root.fullPath, SlashPath);
return(res);
}
InodeTree.INodeDir <T> curInode = root;
int i;
// ignore first slash
for (i = 1; i < path.Length - (resolveLastComponent ? 0 : 1); i++)
{
InodeTree.INode <T> nextInode = curInode.ResolveInternal(path[i]);
if (nextInode == null)
{
StringBuilder failedAt = new StringBuilder(path[0]);
for (int j = 1; j <= i; ++j)
{
failedAt.Append('/').Append(path[j]);
}
throw (new FileNotFoundException(failedAt.ToString()));
}
if (nextInode is InodeTree.INodeLink)
{
InodeTree.INodeLink <T> link = (InodeTree.INodeLink <T>)nextInode;
Path remainingPath;
if (i >= path.Length - 1)
{
remainingPath = SlashPath;
}
else
{
StringBuilder remainingPathStr = new StringBuilder("/" + path[i + 1]);
for (int j = i + 2; j < path.Length; ++j)
{
remainingPathStr.Append('/').Append(path[j]);
}
remainingPath = new Path(remainingPathStr.ToString());
}
InodeTree.ResolveResult <T> res = new InodeTree.ResolveResult <T>(InodeTree.ResultKind
.isExternalDir, link.targetFileSystem, nextInode.fullPath, remainingPath);
return(res);
}
else
{
if (nextInode is InodeTree.INodeDir)
{
curInode = (InodeTree.INodeDir <T>)nextInode;
}
}
}
// We have resolved to an internal dir in mount table.
Path remainingPath_1;
if (resolveLastComponent)
{
remainingPath_1 = SlashPath;
}
else
{
// note we have taken care of when path is "/" above
// for internal dirs rem-path does not start with / since the lookup
// that follows will do a children.get(remaningPath) and will have to
// strip-out the initial /
StringBuilder remainingPathStr = new StringBuilder("/" + path[i]);
for (int j = i + 1; j < path.Length; ++j)
{
remainingPathStr.Append('/').Append(path[j]);
}
remainingPath_1 = new Path(remainingPathStr.ToString());
}
InodeTree.ResolveResult <T> res_1 = new InodeTree.ResolveResult <T>(InodeTree.ResultKind
.isInternalDir, curInode.InodeDirFs, curInode.fullPath, remainingPath_1);
return(res_1);
}
/// <exception cref="Org.Apache.Hadoop.Security.AccessControlException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.IOException"/>
public override void SetPermission(Path f, FsPermission permission)
{
InodeTree.ResolveResult <FileSystem> res = fsState.Resolve(GetUriPath(f), true);
res.targetFileSystem.SetPermission(res.remainingPath, permission);
}
