///////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//

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

using Iso9660;

namespace Microsoft.Singularity.FileSystem {

    public enum FSRequestAction
        {Read, GetAttributes,
        BeginEnumeration, Bind}

    public delegate void FSThreadPoolCallback(FSRequestInfo);

    public class FSRequestInfo {
        public FSRequestAction action;

        protected FSRequestInfo(
            FSRequestAction requestAction) {
            action = requestAction;
        }
    }

    public class FSFileRequestInfo : FSRequestInfo {
        public TRef<FileContract.Exp:Ready> endpointT;
        public ByteContainer buf;
        public Iso9660FileStream fileStream;
        public long bufOffset;
        public long fileOffset;
        public long maxLength;

        public FSFileRequestInfo(
            FSRequestAction action,
            TRef<FileContract.Exp:Ready> newEndpointT,
            ByteContainer newBuf,
            Iso9660FileStream newFileStream,
            long newBufOffset,
            long newFileOffset,
            long newMaxLength) : base(action) {

            endpointT = newEndpointT;
            buf = newBuf;
            fileStream = newFileStream;
            bufOffset = newBufOffset;
            fileOffset = newFileOffset;
            maxLength = newMaxLength;
       }
    }

    public class FSDirectoryRequestInfo : FSRequestInfo {
        public TRef<DirectoryServiceContract.Exp:Ready> endpointT;
        public Iso9660DirectoryInfo dir;
        public string name;

        public FSDirectoryRequestInfo(
            FSRequestAction action,
            TRef<DirectoryServiceContract.Exp:Ready> newEndpointT,
            Iso9660DirectoryInfo newDir,
            string newName) : base(action) {

            endpointT = newEndpointT;
            dir = newDir;
            name = newName;
       }
    }

    public class FSBindRequestInfo : FSRequestInfo {
        public TRef<DirectoryServiceContract.Exp:Ready> endpointT;
        public TRef<ServiceContract.Exp:Start> bindEndpointT;
        public Iso9660DirectoryInfo startingDir;
        public string path;

        public FSBindRequestInfo(
            FSRequestAction action,
            TRef<DirectoryServiceContract.Exp:Ready> newEndpointT,
            TRef<ServiceContract.Exp:Start> newBindEndpointT,
            Iso9660DirectoryInfo newStartingDir,
            string newPath) : base(action) {

            endpointT = newEndpointT;
            bindEndpointT = newBindEndpointT;
            startingDir = newStartingDir;
            path = newPath;
       }
    }
}