added grpc factory and interceptor

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Infrastructure/Http2SupportGrpcInterceptor.cs

@@ -0,0 +1,43 @@
+using Grpc.Core;
+using Grpc.Core.Interceptors;
+using Microsoft.Extensions.Logging;
+using System;
+
+namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Infrastructure
+{
+    public class Http2SupportGrpcInterceptor : Interceptor
+    {
+        private readonly ILogger<Http2SupportGrpcInterceptor> _logger;
+
+        public Http2SupportGrpcInterceptor(ILogger<Http2SupportGrpcInterceptor> logger)
+        {
+            _logger = logger;
+        }
+
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(
+            TRequest request,
+            ClientInterceptorContext<TRequest, TResponse> context,
+            AsyncUnaryCallContinuation<TRequest, TResponse> continuation)
+        {
+            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
+            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2Support", true);
+
+            _logger.LogInformation("Calling via grpc client base address serviceName ={@ServiceName}, BaseAddress={@Host} ", context.Method.ServiceName, context.Host);
+
+            try
+            {
+                return continuation(request, context);
+            }
+            catch (RpcException e)
+            {
+                _logger.LogError("Error calling via grpc: {Status} - {Message}", e.Status, e.Message);
+                return default;
+            }
+            finally
+            {
+                AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", false);
+                AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2Support", false);
+            }
+        }
+    }
+}

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Services/BasketService.cs

@@ -1,54 +1,42 @@
-using Grpc.Net.Client;
-using GrpcBasket;
+using GrpcBasket;
 using Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Config;
 using Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Models;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using System.Linq;
-using System.Net.Http;
 using System.Threading.Tasks;
 
 namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator.Services
 {
     public class BasketService : IBasketService
     {
-        private readonly HttpClient _httpClient;
         private readonly UrlsConfig _urls;
+        private readonly Basket.BasketClient _basketClient;
         private readonly ILogger<BasketService> _logger;
 
-        public BasketService(HttpClient httpClient, IOptions<UrlsConfig> config, ILogger<BasketService> logger)
+        public BasketService(Basket.BasketClient basketClient, IOptions<UrlsConfig> config, ILogger<BasketService> logger)
         {
-            _httpClient = httpClient;
             _urls = config.Value;
+            _basketClient = basketClient;
             _logger = logger;
         }
 
         public async Task<BasketData> GetById(string id)
         {
-            return await GrpcCallerService.CallService(_urls.GrpcBasket, async channel =>
-            {
-                
-                var client = new Basket.BasketClient(channel);
-                _logger.LogDebug("grpc client created, request = {@id}", id);
-                var response = await client.GetBasketByIdAsync(new BasketRequest { Id = id });
-                _logger.LogDebug("grpc response {@response}", response);
+            _logger.LogDebug("grpc client created, request = {@id}", id);
+            var response = await _basketClient.GetBasketByIdAsync(new BasketRequest { Id = id });
+            _logger.LogDebug("grpc response {@response}", response);
 
-                return MapToBasketData(response);
-            });
+            return MapToBasketData(response);
         }
 
         public async Task UpdateAsync(BasketData currentBasket)
         {
-            await GrpcCallerService.CallService(_urls.GrpcBasket, async httpClient =>
-            {
-                var channel = GrpcChannel.ForAddress(_urls.GrpcBasket);
-                var client = new Basket.BasketClient(channel);
-                _logger.LogDebug("Grpc update basket currentBasket {@currentBasket}", currentBasket);
-                var request = MapToCustomerBasketRequest(currentBasket);
-                _logger.LogDebug("Grpc update basket request {@request}", request);
+            _logger.LogDebug("Grpc update basket currentBasket {@currentBasket}", currentBasket);
+            var request = MapToCustomerBasketRequest(currentBasket);
+            _logger.LogDebug("Grpc update basket request {@request}", request);
 
-                return await client.UpdateBasketAsync(request);
-            });
+            await _basketClient.UpdateBasketAsync(request);
         }
 
         private BasketData MapToBasketData(CustomerBasketResponse customerBasketRequest)

src/ApiGateways/Mobile.Bff.Shopping/aggregator/Startup.cs

@@ -1,4 +1,5 @@
 using Devspaces.Support;
+using GrpcBasket;
 using HealthChecks.UI.Client;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Builder;
@@ -14,6 +15,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using Microsoft.OpenApi.Models;
 using System;
 using System.Collections.Generic;
@@ -46,7 +48,8 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator
             services.AddCustomMvc(Configuration)
                  .AddCustomAuthentication(Configuration)
                  .AddDevspaces()
-                 .AddHttpServices();
+                 .AddHttpServices()
+                 .AddGrpcServices();
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -194,5 +197,18 @@ namespace Microsoft.eShopOnContainers.Mobile.Shopping.HttpAggregator
             return services;
         }
 
+        public static IServiceCollection AddGrpcServices(this IServiceCollection services)
+        {
+            services.AddSingleton<Http2SupportGrpcInterceptor>();
+
+            services.AddGrpcClient<Basket.BasketClient>((services, options) =>
+            {
+                var basketApi = services.GetService<IOptions<UrlsConfig>>().Value.Basket;
+                options.Address = new Uri(basketApi);
+            }).AddInterceptor<Http2SupportGrpcInterceptor>();
+
+            return services;
+        }
+
     }
 }

src/ApiGateways/Web.Bff.Shopping/aggregator/Infrastructure/Http2SupportGrpcInterceptor.cs

@@ -0,0 +1,43 @@
+using Grpc.Core;
+using Grpc.Core.Interceptors;
+using Microsoft.Extensions.Logging;
+using System;
+
+namespace Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator.Infrastructure
+{
+    public class Http2SupportGrpcInterceptor : Interceptor
+    {
+        private readonly ILogger<Http2SupportGrpcInterceptor> _logger;
+
+        public Http2SupportGrpcInterceptor(ILogger<Http2SupportGrpcInterceptor> logger)
+        {
+            _logger = logger;
+        }
+
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(
+            TRequest request,
+            ClientInterceptorContext<TRequest, TResponse> context,
+            AsyncUnaryCallContinuation<TRequest, TResponse> continuation)
+        {
+            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
+            AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2Support", true);
+
+            _logger.LogInformation("Calling via grpc client base address serviceName ={@ServiceName}, BaseAddress={@Host} ", context.Method.ServiceName, context.Host);
+
+            try
+            {
+                return continuation(request, context);
+            }
+            catch (RpcException e)
+            {
+                _logger.LogError("Error calling via grpc: {Status} - {Message}", e.Status, e.Message);
+                return default;
+            }
+            finally
+            {
+                AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", false);
+                AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2Support", false);
+            }
+        }
+    }
+}

src/ApiGateways/Web.Bff.Shopping/aggregator/Services/BasketService.cs

@@ -4,7 +4,6 @@ using Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator.Models;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using System.Linq;
-using System.Net.Http;
 using System.Threading.Tasks;
 
 namespace Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator.Services
@@ -12,41 +11,33 @@ namespace Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator.Services
     public class BasketService : IBasketService
     {
         private readonly UrlsConfig _urls;
-        public readonly HttpClient _httpClient;
+        private readonly Basket.BasketClient _basketClient;
         private readonly ILogger<BasketService> _logger;
 
-        public BasketService(HttpClient httpClient, IOptions<UrlsConfig> config, ILogger<BasketService> logger)
+        public BasketService(Basket.BasketClient basketClient, IOptions<UrlsConfig> config, ILogger<BasketService> logger)
         {
             _urls = config.Value;
-            _httpClient = httpClient;
+            _basketClient = basketClient;
             _logger = logger;
         }
 
 
         public async Task<BasketData> GetById(string id)
         {
-            return await GrpcCallerService.CallService(_urls.GrpcBasket, async channel =>
-            {
-                var client = new Basket.BasketClient(channel);
-                _logger.LogDebug("grpc client created, request = {@id}", id);
-                var response = await client.GetBasketByIdAsync(new BasketRequest { Id = id });
-                _logger.LogDebug("grpc response {@response}", response);
+            _logger.LogDebug("grpc client created, request = {@id}", id);
+            var response = await _basketClient.GetBasketByIdAsync(new BasketRequest { Id = id });
+            _logger.LogDebug("grpc response {@response}", response);
 
-                return MapToBasketData(response);
-            });
+            return MapToBasketData(response);
         }
 
         public async Task UpdateAsync(BasketData currentBasket)
         {
-            await GrpcCallerService.CallService(_urls.GrpcBasket, async channel =>
-            {
-                var client = new Basket.BasketClient(channel);
-                _logger.LogDebug("Grpc update basket currentBasket {@currentBasket}", currentBasket);
-                var request = MapToCustomerBasketRequest(currentBasket);
-                _logger.LogDebug("Grpc update basket request {@request}", request);
+            _logger.LogDebug("Grpc update basket currentBasket {@currentBasket}", currentBasket);
+            var request = MapToCustomerBasketRequest(currentBasket);
+            _logger.LogDebug("Grpc update basket request {@request}", request);
 
-                return await client.UpdateBasketAsync(request);
-            });
+            await _basketClient.UpdateBasketAsync(request);
         }
 
         private BasketData MapToBasketData(CustomerBasketResponse customerBasketRequest)

src/ApiGateways/Web.Bff.Shopping/aggregator/Startup.cs

@@ -1,4 +1,5 @@
 using Devspaces.Support;
+using GrpcBasket;
 using HealthChecks.UI.Client;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Builder;
@@ -14,6 +15,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using Microsoft.OpenApi.Models;
 using System;
 using System.Collections.Generic;
@@ -46,7 +48,8 @@ namespace Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator
             services.AddCustomMvc(Configuration)
                 .AddCustomAuthentication(Configuration)
                 .AddDevspaces()
-                .AddApplicationServices();
+                .AddApplicationServices()
+                .AddGrpcServices();
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -63,7 +66,7 @@ namespace Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator
             {
                 app.UseDeveloperExceptionPage();
             }
-            
+
             app.UseHttpsRedirection();
 
             app.UseSwagger().UseSwaggerUI(c =>
@@ -199,6 +202,17 @@ namespace Microsoft.eShopOnContainers.Web.Shopping.HttpAggregator
             return services;
         }
 
+        public static IServiceCollection AddGrpcServices(this IServiceCollection services)
+        {
+            services.AddSingleton<Http2SupportGrpcInterceptor>();
+
+            services.AddGrpcClient<Basket.BasketClient>((services, options) =>
+            {
+                var basketApi = services.GetService<IOptions<UrlsConfig>>().Value.Basket;
+                options.Address = new Uri(basketApi);
+            }).AddInterceptor<Http2SupportGrpcInterceptor>();
 
+            return services;
+        }
     }
 }