public RequestDelegate CreateUnimplementedMethod()
{
var logger = _loggerFactory.CreateLogger <ServerCallHandlerFactory <TService> >();
return(httpContext =>
{
GrpcProtocolHelpers.AddProtocolHeaders(httpContext.Response);
var unimplementedMethod = httpContext.Request.RouteValues["unimplementedMethod"]?.ToString() ?? "<unknown>";
Log.MethodUnimplemented(logger, unimplementedMethod);
GrpcProtocolHelpers.SetStatus(GrpcProtocolHelpers.GetTrailersDestination(httpContext.Response), new Status(StatusCode.Unimplemented, "Method is unimplemented."));
return Task.CompletedTask;
});
}
public static void ConsolidateTrailers(this HttpResponse httpResponse, HttpContextServerCallContext context)
{
var trailersDestination = GrpcProtocolHelpers.GetTrailersDestination(httpResponse);
if (context.HasResponseTrailers)
{
foreach (var trailer in context.ResponseTrailers)
{
var value = (trailer.IsBinary) ? Convert.ToBase64String(trailer.ValueBytes) : trailer.Value;
trailersDestination.Append(trailer.Key, value);
}
}
// Append status trailers, these overwrite any existing status trailers set via ServerCallContext.ResponseTrailers
GrpcProtocolHelpers.SetStatus(trailersDestination, context.Status);
}
public RequestDelegate CreateUnimplementedMethod()
{
var logger = _loggerFactory.CreateLogger <ServerCallHandlerFactory <TService> >();
return(httpContext =>
{
// CORS preflight request should be handled by CORS middleware.
// If it isn't then return 404 from endpoint request delegate.
if (GrpcProtocolHelpers.IsCorsPreflightRequest(httpContext))
{
httpContext.Response.StatusCode = StatusCodes.Status404NotFound;
return Task.CompletedTask;
}
GrpcProtocolHelpers.AddProtocolHeaders(httpContext.Response);
var unimplementedMethod = httpContext.Request.RouteValues["unimplementedMethod"]?.ToString() ?? "<unknown>";
Log.MethodUnimplemented(logger, unimplementedMethod);
GrpcEventSource.Log.CallUnimplemented(httpContext.Request.Path.Value);
GrpcProtocolHelpers.SetStatus(GrpcProtocolHelpers.GetTrailersDestination(httpContext.Response), new Status(StatusCode.Unimplemented, "Method is unimplemented."));
return Task.CompletedTask;
});
}
