88 lines
2.8 KiB
Plaintext
88 lines
2.8 KiB
Plaintext
///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: DestroyCommand.sg
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//
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// Note: Command to remove and deallocate an existing unused RAM disk device.
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//
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using System;
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using Microsoft.SingSharp;
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using Microsoft.SingSharp.Reflection;
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using Microsoft.Singularity.Applications;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Configuration;
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using Microsoft.Singularity.Directory;
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using Microsoft.Singularity.Io;
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using Microsoft.Singularity.Services.RamDisk.Contracts;
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using FileSystem.Utils;
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namespace Microsoft.Singularity.Services.RamDisk.RamDiskControl
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{
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[ConsoleCategory(Action = "destroy",
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DefaultAction = false,
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HelpMessage = "Remove and deallocate an existing unused RAM disk.")]
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internal class DestroyCommand
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{
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[InputEndpoint("data")]
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public readonly TRef<UnicodePipeContract.Imp:READY> Stdin;
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[OutputEndpoint("data")]
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public readonly TRef<UnicodePipeContract.Imp:READY> Stdout;
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[StringParameter("d", Default = "Automatic", Position=0, Mandatory = true,
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HelpMessage = "Disk device path")]
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string DiskPath;
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[BoolParameter("f", Default = false, Mandatory = false,
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HelpMessage = "Force destroy even if in use")]
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bool Force;
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reflective internal DestroyCommand();
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internal int AppMain()
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{
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string diskPath = PathUtils.ToPath(DiskPath);
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RamDiskControlContract.Imp imp = Utilities.ConnectToManager();
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if (imp != null) {
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return DoDestroy(imp, diskPath, Force);
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}
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return -1;
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}
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private static
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int DoDestroy(
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[Claims] RamDiskControlContract.Imp! controller,
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string! diskPath,
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bool force
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)
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{
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char[] in ExHeap diskPathExHeap = Bitter.FromString2(diskPath);
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try {
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controller.SendDestroy(diskPathExHeap, force);
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switch receive {
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case controller.Success():
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return 0;
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case controller.Fail(error):
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Utilities.DisplayError(error);
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return -1;
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case controller.ChannelClosed():
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Utilities.DisplayChannelClosedError();
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return -1;
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}
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}
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finally {
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delete controller;
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}
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}
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}
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}
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