singrdk/base/Applications/utilities/attr/attr.sg

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///////////////////////////////////////////////////////////////////////////////
//
// Microsoft Research Singularity
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Note:
//
using FileSystem.Utils;
using System;
using System.Text;
using System.Threading;
using Microsoft.Singularity;
using Microsoft.Singularity.Directory;
using Microsoft.Singularity.Channels;
using Microsoft.Singularity.FileSystem;
using Microsoft.Singularity.V1.Services;
using Microsoft.Contracts;
using Microsoft.SingSharp.Reflection;
using Microsoft.Singularity.Applications;
using Microsoft.Singularity.Io;
using Microsoft.Singularity.Configuration;
[assembly: Transform(typeof(ApplicationResourceTransform))]
namespace Microsoft.Singularity.Applications
{
[ConsoleCategory(HelpMessage="Show attributes associated with a file", DefaultAction=true)]
internal class Parameters
{
[InputEndpoint("data")]
public readonly TRef<UnicodePipeContract.Exp:READY> Stdin;
[OutputEndpoint("data")]
public readonly TRef<UnicodePipeContract.Imp:READY> Stdout;
[Endpoint]
public readonly TRef<DirectoryServiceContract.Imp:Start> nsRef;
[StringParameter( "filename", Mandatory=true, Position=0, HelpMessage="Name of file.")]
internal string fileName;
reflective internal Parameters();
internal int AppMain() {
return FsAttributes.AppMain(this);
}
}
public class FsAttributes
{
internal static int AppMain(Parameters! config)
{
long size;
NodeType nodeType;
DirectoryServiceContract.Imp rootNS = ((!)config.nsRef).Acquire();
if (rootNS == null) {
throw new Exception("Unable to acquire handle to the Directory Service root");
}
rootNS.RecvSuccess();
FileAttributesRecord fileAttributes;
ErrorCode error;
bool ok = FileUtils.GetAttributes((!)config.fileName, rootNS, out fileAttributes, out error);
delete rootNS;
if (ok) {
DateTime create = new DateTime(fileAttributes.CreationTime);
DateTime write = new DateTime(fileAttributes.LastWriteTime);
DateTime access = new DateTime(fileAttributes.LastAccessTime);
Console.WriteLine("GetAttributes for " + config.fileName);
Console.WriteLine(" Size: " + fileAttributes.FileSize);
Console.WriteLine(" NodeType: {0}", SdsUtils.NodeTypeToString(fileAttributes.Type) );
Console.WriteLine(" CreationTime: {0}:", create);
Console.WriteLine(" LastWriteTime: {0}:", write);
Console.WriteLine(" LastAccessTime: {0}:", access);
return 0;
}
else {
Console.WriteLine(" Attr for ({0}) failed. reason:{1}",
config.fileName, SdsUtils.ErrorCodeToString(error) );
}
return -1;
}
private static void Usage()
{
Console.WriteLine("type <filename> displays output of file on console.");
}
} // class Test
}