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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.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Hosting;
using Steeltoe.Common.Diagnostics;
using Steeltoe.Extensions.Logging;
using Steeltoe.Management.Census.Trace;
using Steeltoe.Management.Tracing.Observer;
using System;
namespace Steeltoe.Management.Tracing
{
public static class TracingServiceCollectionExtensions
{
public static void AddDistributedTracing(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, TracingService>());
services.TryAddSingleton<ITracingOptions>((p) =>
{
var h = p.GetRequiredService<Microsoft.AspNetCore.Hosting.IHostingEnvironment>();
return new TracingOptions(h.ApplicationName, config);
});
services.TryAddEnumerable(ServiceDescriptor.Singleton<IDiagnosticObserver, AspNetCoreHostingObserver>());
services.TryAddEnumerable(ServiceDescriptor.Singleton<IDiagnosticObserver, AspNetCoreMvcActionObserver>());
services.TryAddEnumerable(ServiceDescriptor.Singleton<IDiagnosticObserver, AspNetCoreMvcViewObserver>());
services.TryAddEnumerable(ServiceDescriptor.Singleton<IDiagnosticObserver, HttpClientDesktopObserver>());
services.TryAddEnumerable(ServiceDescriptor.Singleton<IDiagnosticObserver, HttpClientCoreObserver>());
services.TryAddSingleton<ITracing, OpenCensusTracing>();
services.TryAddSingleton<IDynamicMessageProcessor, TracingLogProcessor>();
}
}
}