public override Task <InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context)
{
IServiceProvider serviceProvider = context.HttpContext.RequestServices;
MessagePackOptions options = serviceProvider.GetService(typeof(MessagePackOptions)) as MessagePackOptions;
MessagePack.IFormatterResolver resolver = options?.Resolver;
if (resolver == null)
{
return(InputFormatterResult.FailureAsync());
}
Type actionModelType = context.ModelType;
var serializerType = typeof(MessagePackSerializer);
var deserializeMethod = serializerType.GetMethod("Deserialize", BindingFlags.Public | BindingFlags.Static, null, new Type[] { typeof(Stream), typeof(IFormatterResolver) }, null);
deserializeMethod = deserializeMethod?.MakeGenericMethod(actionModelType);
var streamParameter = Expression.Parameter(typeof(Stream), "stream");
var formatterResolver = Expression.Parameter(typeof(IFormatterResolver), "resolver");
var deserializationExpression = Expression.Call(deserializeMethod, streamParameter, formatterResolver);
var lambda = Expression.Lambda <DeserializeMethod>(deserializationExpression, new ParameterExpression[] { streamParameter, formatterResolver }).Compile();
var request = context.HttpContext.Request;
object instance = lambda(request.Body, resolver);
return(InputFormatterResult.SuccessAsync(instance));
}
public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context)
{
IServiceProvider serviceProvider = context.HttpContext.RequestServices;
MessagePackOptions options = serviceProvider.GetService(typeof(MessagePackOptions)) as MessagePackOptions;
MessagePack.IFormatterResolver resolver = options?.Resolver;
var response = context.HttpContext.Response;
byte[] responseBytes = MessagePackSerializer.Serialize(context.Object, resolver);
return(response.Body.WriteAsync(responseBytes, 0, responseBytes.Count()));
}
