Samuele Locatelli
107 lines
3.7 KiB
C#
107 lines
3.7 KiB
C#
/* ========================================================================
|
|
* Copyright (c) 2005-2020 The OPC Foundation, Inc. All rights reserved.
|
|
*
|
|
* OPC Foundation MIT License 1.00
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use,
|
|
* copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following
|
|
* conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* The complete license agreement can be found here:
|
|
* http://opcfoundation.org/License/MIT/1.00/
|
|
* ======================================================================*/
|
|
|
|
#if CLIENT_ASYNC
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace Opc.Ua.Client
|
|
{
|
|
/// <summary>
|
|
/// Manages a session with a server.
|
|
/// Contains the async versions of the public session api.
|
|
/// </summary>
|
|
public partial class Session : SessionClient, IDisposable
|
|
{
|
|
#region Subscription Methods
|
|
/// <summary>
|
|
/// Removes a subscription from the session.
|
|
/// </summary>
|
|
/// <param name="subscription">The subscription to remove.</param>
|
|
public async Task<bool> RemoveSubscriptionAsync(Subscription subscription)
|
|
{
|
|
if (subscription == null) throw new ArgumentNullException(nameof(subscription));
|
|
|
|
if (subscription.Created)
|
|
{
|
|
await subscription.DeleteAsync(false).ConfigureAwait(false);
|
|
}
|
|
|
|
lock (SyncRoot)
|
|
{
|
|
if (!m_subscriptions.Remove(subscription))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
subscription.Session = null;
|
|
}
|
|
|
|
if (m_SubscriptionsChanged != null)
|
|
{
|
|
m_SubscriptionsChanged(this, null);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes a list of subscriptions from the sessiont.
|
|
/// </summary>
|
|
/// <param name="subscriptions">The list of subscriptions to remove.</param>
|
|
public async Task<bool> RemoveSubscriptionsAsync(IEnumerable<Subscription> subscriptions)
|
|
{
|
|
if (subscriptions == null) throw new ArgumentNullException(nameof(subscriptions));
|
|
|
|
List<Subscription> subscriptionsToDelete = new List<Subscription>();
|
|
|
|
bool removed = PrepareSubscriptionsToDelete(subscriptions, subscriptionsToDelete);
|
|
|
|
foreach (Subscription subscription in subscriptionsToDelete)
|
|
{
|
|
await subscription.DeleteAsync(true).ConfigureAwait(false);
|
|
}
|
|
|
|
if (removed)
|
|
{
|
|
if (m_SubscriptionsChanged != null)
|
|
{
|
|
m_SubscriptionsChanged(this, null);
|
|
}
|
|
}
|
|
|
|
return removed;
|
|
}
|
|
#endregion
|
|
}
|
|
}
|
|
#endif
|