private static GrpcHostBuilder <TService> AddUnaryMethods <TService>(
this GrpcHostBuilder <TService> builder
)
where TService : class, IGrpcService
{
//TODO: right now it goes through every method, these must be validated and filtered
var serviceType = typeof(TService);
var serviceName = ((GrpcServiceAttribute)serviceType.GetCustomAttribute(typeof(GrpcServiceAttribute))).Name ?? serviceType.Name;
foreach (var method in serviceType.GetMethods())
{
var requestType = method.GetParameters()[0].ParameterType;
var responseType = method.ReturnType.GenericTypeArguments[0];
var handlerGenerator = typeof(MethodHandlerGenerator).GetMethod(nameof(MethodHandlerGenerator.GenerateUnaryMethodHandler));
handlerGenerator = handlerGenerator.MakeGenericMethod(serviceType, requestType, responseType);
var handler = handlerGenerator.Invoke(null, new[] { method });
var addUnaryMethod = typeof(GrpcHostBuilder <TService>).GetMethod(nameof(GrpcHostBuilder <TService> .AddUnaryMethod), BindingFlags.Public | BindingFlags.Instance);
addUnaryMethod = addUnaryMethod.MakeGenericMethod(requestType, responseType);
var methodName = ((GrpcMethodAttribute)method.GetCustomAttribute(typeof(GrpcMethodAttribute))).Name ?? method.Name;
addUnaryMethod.Invoke(builder, new[] { handler, serviceName, methodName });
}
return(builder);
}
public static GrpcHost <TService> Create <TService>(
IServiceProvider appServices,
GrpcServerOptions options,
ISerializer serializer
)
where TService : class, IGrpcService
{
var builder = new GrpcHostBuilder <TService>(appServices);
builder.SetOptions(options);
builder.SetSerializer(serializer);
builder.AddUnaryMethods();
return(builder.Build());
}