74 lines
2.7 KiB
C#
74 lines
2.7 KiB
C#
//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel.Channels
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{
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using System.Collections.ObjectModel;
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using System.ServiceModel;
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// Neighbor interface
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interface IPeerNeighbor : IExtensibleObject<IPeerNeighbor>
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{
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bool IsConnected { get; } // True if the neighbor is connected
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PeerNodeAddress ListenAddress { get; set; } // Neighbor's listen address
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bool IsInitiator { get; }
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ulong NodeId { get; set; } // NodeID of the neighboring node
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PeerNeighborState State { get; set; }
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bool IsClosing { get; }
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IAsyncResult BeginSend(Message message, AsyncCallback callback, object state);
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IAsyncResult BeginSend(Message message, TimeSpan timeout, AsyncCallback callback, object state);
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void EndSend(IAsyncResult result);
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void Send(Message message);
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bool TrySetState(PeerNeighborState state);
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void Abort(PeerCloseReason reason, PeerCloseInitiator initiator);
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Message RequestSecurityToken(Message request);
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void Ping(Message request);
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UtilityExtension Utility { get; }
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}
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// Neighbor states
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// If add new states, carefully consider where they should occur in state transition and make
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// appropriate changes to PeerNeighbor implementation.
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enum PeerNeighborState
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{
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Created,
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Opened,
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Authenticated,
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Connecting,
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Connected,
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Disconnecting,
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Disconnected,
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Faulted,
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Closed,
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}
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static class PeerNeighborStateHelper
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{
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// Returns true if the specified state can be set for the neighbor
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public static bool IsSettable(PeerNeighborState state)
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{
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return (
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(state == PeerNeighborState.Authenticated) ||
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(state == PeerNeighborState.Connecting) ||
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(state == PeerNeighborState.Connected) ||
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(state == PeerNeighborState.Disconnecting) ||
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(state == PeerNeighborState.Disconnected));
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}
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// Returns true if the specified state is a "connected" state
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public static bool IsConnected(PeerNeighborState state)
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{
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return ((state == PeerNeighborState.Connected));
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}
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// Returns true if the specified state is either authenticated or closing
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public static bool IsAuthenticatedOrClosed(PeerNeighborState state)
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{
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return ((state == PeerNeighborState.Authenticated) ||
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(state == PeerNeighborState.Faulted) ||
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(state == PeerNeighborState.Closed));
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}
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}
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}
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