90 lines
3.0 KiB
C#
90 lines
3.0 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="TimeSourceProvider.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using StgSharp;
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using System;
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using System.Linq;
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using System.Threading;
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namespace StgSharp.Timing
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{
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public abstract class TimeSourceProviderBase
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{
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private SemaphoreSlim _addSubscriberSemaphore = new SemaphoreSlim(
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1, 1 );
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protected SemaphoreSlim CheckSubscriberSemaphore
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{
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get => _addSubscriberSemaphore;
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}
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public void AddSubscriber( TimeSpanProvider subscriber )
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{
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try {
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_addSubscriberSemaphore.Wait();
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AddSubscriberUnsynced( subscriber );
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}
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catch( Exception ) {
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throw;
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}
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finally {
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_addSubscriberSemaphore.Release();
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}
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}
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public void RemoveSubscriber( TimeSpanProvider subscriber )
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{
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_addSubscriberSemaphore.Wait();
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try {
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RemoveSubscriberUnsynced( subscriber );
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}
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catch( Exception ) {
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throw;
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}
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finally {
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_addSubscriberSemaphore.Release();
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}
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}
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public abstract void StartProvidingTime();
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public abstract void StopProvidingTime();
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protected abstract void AddSubscriberUnsynced(
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TimeSpanProvider subscriber );
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protected abstract void RemoveSubscriberUnsynced(
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TimeSpanProvider subscriber );
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}
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}
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