Adds another tracing source

Author: gislikonrad

src/Solid.Identity.Protocols.Saml2p/Factories/AuthnRequestFactory.cs

@@ -53,6 +53,7 @@ public AuthnRequestFactory(TimeProvider time, IOptions<Saml2pOptions> options)
         /// <returns>An awaitable <see cref="Task{TResult}"/> of type <see cref="AuthnRequest"/>.</returns>
         public async Task<AuthnRequest> CreateAuthnRequestAsync(HttpContext context, ISaml2pIdentityProvider idp)
         {
+            using var activity = Saml2pConstants.Tracing.Factories.StartActivity($"{nameof(AuthnRequestFactory)}.{nameof(CreateAuthnRequestAsync)}"); 
             var request = new AuthnRequest
             {
                 Id = $"_{Guid.NewGuid()}",

src/Solid.Identity.Protocols.Saml2p/Factories/SamlResponseFactory.cs

@@ -25,6 +25,7 @@ public SamlResponse Create(ISaml2pServiceProvider partner, string authnRequestId
 
         public SamlResponse Create(ISaml2pServiceProvider partner, Status status, string authnRequestId = null, string relayState = null, Saml2SecurityToken token = null)
         {
+            using var activity = Saml2pConstants.Tracing.Factories.StartActivity($"{nameof(SamlResponseFactory)}.{nameof(Create)}");
             var destination = new Uri(partner.BaseUrl, partner.AssertionConsumerServiceEndpoint);
             if (token != null)
             {

src/Solid.Identity.Protocols.Saml2p/Factories/SecurityTokenDescriptorFactory.cs

@@ -57,6 +57,7 @@ public SecurityTokenDescriptorFactory(
 
         public async ValueTask<SecurityTokenDescriptor> CreateSecurityTokenDescriptorAsync(ClaimsIdentity identity, ISaml2pServiceProvider partner)
         {
+            using var activity = Saml2pConstants.Tracing.Factories.StartActivity($"{nameof(SecurityTokenDescriptorFactory)}.{nameof(CreateSecurityTokenDescriptorAsync)}");
             var issuedAt = GetUtcNow();
             var instant = issuedAt;
             if (identity.TryParseAuthenticationInstant(out var parsed))

src/Solid.Identity.Protocols.Saml2p/Saml2pConstants.cs

@@ -162,12 +162,14 @@ public static class Tracing
             private static readonly string AssemblyVersion = GenerateAssemblyVersion();
             public static ActivitySource Saml2p { get; } = new (Names.Saml2p, AssemblyVersion);
             public static ActivitySource Cache { get; } = new (Names.Cache, AssemblyVersion);
+            public static ActivitySource Factories { get; } = new (Names.Factories, AssemblyVersion);
             public static ActivitySource Providers { get; } = new (Names.Providers, AssemblyVersion);
             public static ActivitySource Validation { get; } = new (Names.Validation, AssemblyVersion);
             public static class Names
             {
                 public const string Saml2p = "Solid.Identity.Protocols.Saml2p";
                 public const string Cache = Saml2p + ".Cache";
+                public const string Factories = Saml2p + ".Factories";
                 public const string Providers = Saml2p + ".Providers";
                 public const string Validation = Saml2p + ".Validation";
             }