///////////////////////////////////////////////////////////////////////////////
//
//  Microsoft Research Singularity
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  File:   FatMountSettings.sg
//
//  Note:
//

using System;
using Microsoft.Singularity.Channels;
using Microsoft.SingSharp;
using Microsoft.Singularity.Directory;

namespace Microsoft.Singularity.Services.Fat.Contracts
{
    public rep struct FatMountSettings : ITracked
    {
        public const uint MaxCacheMB            = 1024;
        public const uint MaxDirectoryCacheSize = 4096;
        public const uint MaxFileCacheSize      = 4096;
        public const uint MaxWriteQueueSize     = 1024;

        private char[]! in ExHeap diskPath;
        private char[]! in ExHeap mountPath;
        private bool readOnly;
        private uint cacheMB;
        private uint directoryCacheSize;
        private uint fileCacheSize;
        private uint writeQueueSize;

        public FatMountSettings(string! diskPath,
                                string! mountPath,
                                bool    readOnly,
                                uint    cacheMB,
                                uint    directoryCacheSize,
                                uint    fileCacheSize,
                                uint    writeQueueSize)
        {
            this.diskPath           = Bitter.FromString2(diskPath);
            this.mountPath          = Bitter.FromString2(mountPath);
            this.readOnly           = readOnly;
            this.cacheMB            = cacheMB;
            this.directoryCacheSize = directoryCacheSize;
            this.fileCacheSize      = fileCacheSize;
            this.writeQueueSize     = writeQueueSize;
        }

        public string! DiskPath
        {
            get { expose(this) { return Bitter.ToString2(this.diskPath); } }
        }

        public string! MountPath
        {
            get { expose(this) { return Bitter.ToString2(this.mountPath); } }
        }

        public bool ReadOnly
        {
            get { expose(this) { return this.readOnly; } }
        }

        public uint CacheMB
        {
            get { expose(this) { return this.cacheMB; } }
        }

        public uint DirectoryCacheSize
        {
            get { expose(this) { return this.directoryCacheSize; } }
        }

        public uint FileCacheSize
        {
            get { expose(this) { return this.fileCacheSize; } }
        }

        public uint WriteQueueSize
        {
            get { expose(this) { return this.writeQueueSize; } }
        }
    }
}