60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
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////////////////////////////////////////////////////////////////////////////////
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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: DirectoryServiceContract.sg
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//
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using Microsoft.SingSharp;
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using Microsoft.Singularity.Channels;
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namespace Microsoft.Singularity.Directory
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{
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public enum NodeType
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{
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Inner = 0,
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Dir = 1,
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Provider = 2,
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SymLink = 3,
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File = 4,
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IoMemory = 5,
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}
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public rep struct FindResponse : ITracked
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{
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public char[]! in ExHeap Path;
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public NodeType Type;
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}
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public contract DirectoryServiceContract : ServiceContract
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{
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// ReadOnly part
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in message Bind(char[]! in ExHeap path, ServiceContract.Exp:Start! exp);
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out message AckBind();
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out message NakBind(ServiceContract.Exp:Start exp); // return unconnected endpoint
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in message Notify(char[]! in ExHeap pathSpec, NotifyContract.Imp:Start! imp);
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out message AckNotify();
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out message NakNotify(NotifyContract.Imp:Start! imp); // return unconnected endpoint
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in message Find(char[]! in ExHeap pathSpec, char[]! in ExHeap pattern);
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out message AckFind(FindResponse[]! in ExHeap results);
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out message NakFind();
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out message Success();
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override state Start: one {
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Success! -> Ready;
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}
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state Ready: one
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{
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Bind? -> ( AckBind! or NakBind! ) -> Ready;
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Find? -> ( AckFind! or NakFind! ) -> Ready;
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Notify? -> ( AckNotify! or NakNotify! ) -> Ready;
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}
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}
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}
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