59 lines
1.9 KiB
Plaintext
59 lines
1.9 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: DNSContract.gs
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// Note: Contract definition for interacting with the DNS Module
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//
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// note This is all IPv4 flavored for now.
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Directory;
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namespace NetStack.Contracts
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{
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public contract DNSContract : ServiceContract
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{
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// This is the name under which the DNS module registers with the
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// name server
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public const string ModuleName = "/dev/dns";
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// Response messages
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out message NotFound();
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out message AddressList(uint[] in ExHeap addresses);
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out message DNSResults(uint[] in ExHeap addresses, char[][] in ExHeap names);
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out message IsValid(bool valid);
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out message Address(uint address);
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out message Ack();
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// Request messages
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in message AddNameServer(uint address);
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in message RemoveNameServer(uint address);
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in message RotateNameServers();
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in message GetNameServers();
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in message GetCurrentNameServer();
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in message IsValidName(char[] in ExHeap name);
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// host can be a host's textual name or the string of an address
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in message Resolve(char[] in ExHeap host);
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out message Ready();
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override state Start : Ready! -> ReadyState;
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state ReadyState : one
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{
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AddNameServer? -> Ack! -> ReadyState;
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RemoveNameServer? -> Ack! -> ReadyState;
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RotateNameServers? -> Ack! -> ReadyState;
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GetCurrentNameServer? -> Address! -> ReadyState;
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GetNameServers? -> AddressList! -> ReadyState;
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Resolve? -> (NotFound! or DNSResults!) -> ReadyState;
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IsValidName? -> IsValid! -> ReadyState;
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}
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}
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}
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