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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Diagnostics;
using System.ServiceModel;
using System.Collections.Generic;
using System.ServiceModel.Diagnostics;
abstract class ConnectionPoolRegistry
{
Dictionary<string, List<ConnectionPool>> registry;
protected ConnectionPoolRegistry()
{
registry = new Dictionary<string, List<ConnectionPool>>();
}
object ThisLock
{
get { return this.registry; }
}
// NOTE: performs the open on the pool for you
public ConnectionPool Lookup(IConnectionOrientedTransportChannelFactorySettings settings)
{
ConnectionPool result = null;
string key = settings.ConnectionPoolGroupName;
lock (ThisLock)
{
List<ConnectionPool> registryEntry = null;
if (registry.TryGetValue(key, out registryEntry))
{
for (int i = 0; i < registryEntry.Count; i++)
{
if (registryEntry[i].IsCompatible(settings) && registryEntry[i].TryOpen())
{
result = registryEntry[i];
break;
}
}
}
else
{
registryEntry = new List<ConnectionPool>();
registry.Add(key, registryEntry);
}
if (result == null)
{
result = CreatePool(settings);
registryEntry.Add(result);
}
}
return result;
}
protected abstract ConnectionPool CreatePool(IConnectionOrientedTransportChannelFactorySettings settings);
public void Release(ConnectionPool pool, TimeSpan timeout)
{
lock (ThisLock)
{
if (pool.Close(timeout))
{
List<ConnectionPool> registryEntry = registry[pool.Name];
for (int i = 0; i < registryEntry.Count; i++)
{
if (object.ReferenceEquals(registryEntry[i], pool))
{
registryEntry.RemoveAt(i);
break;
}
}
if (registryEntry.Count == 0)
{
registry.Remove(pool.Name);
}
}
}
}
}
}
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