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// Copyright 2017 the original author or authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Hosting;
using Steeltoe.Common.Diagnostics;
using Steeltoe.Management.Endpoint.Diagnostics;
using System;
using System.Linq;
namespace Steeltoe.Management.Endpoint.Trace
{
public static class EndpointServiceCollectionExtensions
{
/// <summary>
/// Adds components of the Trace actuator to Microsoft-DI
/// </summary>
/// <param name="services">Service collection to add trace to</param>
/// <param name="config">Application configuration (this actuator looks for settings starting with management:endpoints:trace)</param>
public static void AddTraceActuator(this IServiceCollection services, IConfiguration config)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
services.TryAddSingleton<IDiagnosticsManager, DiagnosticsManager>();
services.TryAddEnumerable(ServiceDescriptor.Singleton<IHostedService, DiagnosticServices>());
services.TryAddEnumerable(ServiceDescriptor.Singleton<IDiagnosticObserver, TraceDiagnosticObserver>());
services.TryAddSingleton<ITraceRepository>((p) => (ITraceRepository)p.GetServices<IDiagnosticObserver>().OfType<TraceDiagnosticObserver>().Single());
services.TryAddSingleton<ITraceOptions>(new TraceOptions(config));
services.TryAddSingleton<TraceEndpoint>();
}
}
}