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// <copyright>
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
namespace System.ServiceModel
{
using System.Collections.Specialized;
using System.Configuration;
using System.Diagnostics.CodeAnalysis;
using System.Runtime;
// Due to friend relationships with other assemblies, naming this class as AppSettings causes ambiguity when building those assemblies
internal static class ServiceModelAppSettings
{
internal const string HttpTransportPerFactoryConnectionPoolString = "wcf:httpTransportBinding:useUniqueConnectionPoolPerFactory";
internal const string EnsureUniquePerformanceCounterInstanceNamesString = "wcf:ensureUniquePerformanceCounterInstanceNames";
internal const string UseConfiguredTransportSecurityHeaderLayoutString = "wcf:useConfiguredTransportSecurityHeaderLayout";
const bool DefaultHttpTransportPerFactoryConnectionPool = false;
const bool DefaultEnsureUniquePerformanceCounterInstanceNames = false;
const bool DefaultUseConfiguredTransportSecurityHeaderLayout = false;
static bool httpTransportPerFactoryConnectionPool;
static bool ensureUniquePerformanceCounterInstanceNames;
static bool useConfiguredTransportSecurityHeaderLayout;
static volatile bool settingsInitalized = false;
static object appSettingsLock = new object();
internal static bool HttpTransportPerFactoryConnectionPool
{
get
{
EnsureSettingsLoaded();
return httpTransportPerFactoryConnectionPool;
}
}
internal static bool EnsureUniquePerformanceCounterInstanceNames
{
get
{
EnsureSettingsLoaded();
return ensureUniquePerformanceCounterInstanceNames;
}
}
internal static bool UseConfiguredTransportSecurityHeaderLayout
{
get
{
EnsureSettingsLoaded();
return useConfiguredTransportSecurityHeaderLayout;
}
}
[SuppressMessage(FxCop.Category.ReliabilityBasic, "Reliability104:CaughtAndHandledExceptionsRule",
Justification = "Handle the configuration exceptions here to avoid regressions on customer's existing scenarios")]
static void EnsureSettingsLoaded()
{
if (!settingsInitalized)
{
lock (appSettingsLock)
{
if (!settingsInitalized)
{
NameValueCollection appSettingsSection = null;
try
{
appSettingsSection = ConfigurationManager.AppSettings;
}
catch (ConfigurationErrorsException)
{
}
finally
{
if ((appSettingsSection == null) || !bool.TryParse(appSettingsSection[HttpTransportPerFactoryConnectionPoolString], out httpTransportPerFactoryConnectionPool))
{
httpTransportPerFactoryConnectionPool = DefaultHttpTransportPerFactoryConnectionPool;
}
if ((appSettingsSection == null) || !bool.TryParse(appSettingsSection[EnsureUniquePerformanceCounterInstanceNamesString], out ensureUniquePerformanceCounterInstanceNames))
{
ensureUniquePerformanceCounterInstanceNames = DefaultEnsureUniquePerformanceCounterInstanceNames;
}
if ((appSettingsSection == null) || !bool.TryParse(appSettingsSection[UseConfiguredTransportSecurityHeaderLayoutString], out useConfiguredTransportSecurityHeaderLayout))
{
useConfiguredTransportSecurityHeaderLayout = DefaultUseConfiguredTransportSecurityHeaderLayout;
}
settingsInitalized = true;
}
}
}
}
}
}
}
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