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Home Page: https://connectrpc.com
License: Apache License 2.0
gRPC-compatible server reflection for any net/http server.
Home Page: https://connectrpc.com
License: Apache License 2.0
May I submit a pull request?
When using connect-grpcreflect-go v1.0.0, ErrorDetail is not displayed when an error occurs in response to a request from the client.
This problem does not occur when using google.golang.org/grpc v1.51.0.
https://github.com/2yanpath/grpc-error-detail-test
% grpcurl -plaintext -d '{"name": ""}' localhost:8081 greet.v1.GreetService.Greet
ERROR:
Code: InvalidArgument
Message: name is required
Details:
1) {"@type":"type.googleapis.com/google.rpc.BadRequest","fieldViolations":[{"field":"username","description":"should not empty"}]}
Expected respone
https://github.com/2yanpath/connect-error-detail-test
branch: main
% grpcurl -plaintext -d '{"name": ""}' localhost:8082 greet.v1.GreetService.Greet
ERROR:
Code: InvalidArgument
Message: name is required
Details:
1) {"@error":"google.rpc.BadRequest is not recognized; see @value for raw binary message data","@type":"type.googleapis.com/google.rpc.BadRequest","@value":"ChwKCHVzZXJuYW1lEhBzaG91bGQgbm90IGVtcHR5"}
problem: ErrorDetail cannot be displayed.
https://github.com/2yanpath/connect-error-detail-test
branch: fix/error-detail
% grpcurl -plaintext -d '{"name": ""}' localhost:8082 greet.v1.GreetService.Greet
ERROR:
Code: InvalidArgument
Message: name is required
Details:
1) {"@type":"type.googleapis.com/google.rpc.BadRequest","fieldViolations":[{"field":"username","description":"should not empty"}]}
// allExtensionNumbersForTypeName returns all extension numbers for the given type.
func (s *serverReflectionServer) allExtensionNumbersForTypeName(name string) ([]int32, error) {
var numbers []int32
s.extResolver.RangeExtensionsByMessage(protoreflect.FullName(name), func(xt protoreflect.ExtensionType) bool {
numbers = append(numbers, int32(xt.TypeDescriptor().Number()))
return true
})
sort.Slice(numbers, func(i, j int) bool {
return numbers[i] < numbers[j]
})
if len(numbers) == 0 {
//-- NOTICE no error is thrown, so ([]int32{}, nil) is returned
// maybe return an error if given type name is not known
if _, err := s.descResolver.FindDescriptorByName(protoreflect.FullName(name)); err != nil {
return nil, err
}
}
return numbers, nil
}
func (r *Reflector) getAllExtensionNumbersOfType(fqn string) ([]int32, error) {
nums := []int32{}
name := protoreflect.FullName(fqn)
r.extensionResolver.RangeExtensionsByMessage(name, func(ext protoreflect.ExtensionType) bool {
num := int32(ext.TypeDescriptor().Number())
nums = append(nums, num)
return true
})
if len(nums) == 0 {
//-- NOTICE an error occurs and (nil, [the error below]) is returned
return nil, fmt.Errorf("no extensions for type %q", fqn)
}
sort.Slice(nums, func(i, j int) bool {
return nums[i] < nums[j]
})
return nums, nil
}
func (r *Reflector) getAllExtensionNumbersOfType(fqn string) ([]int32, error) {
nums := []int32{}
name := protoreflect.FullName(fqn)
r.extensionResolver.RangeExtensionsByMessage(name, func(ext protoreflect.ExtensionType) bool {
num := int32(ext.TypeDescriptor().Number())
nums = append(nums, num)
return true
})
if len(nums) == 0 {
if _, err := r.descriptorResolver.FindDescriptorByName(name); err != nil {
return nil, err
}
}
sort.Slice(nums, func(i, j int) bool {
return nums[i] < nums[j]
})
return nums, nil
}
Trying to create a client that uses connect-go
to communicate with a server that supports gRPC reflection is rather a hassle. Each such usage must use custom code generation (like this repo does) to avoid adding a dependency on google.golang.org/grpc/reflection
(which would transitively bring in all of gRPC ๐ญ). Given the name of this repo, it seems within bounds for this repo to provide that.
I know the API would want to avoid exposing the generated base types, for aesthetic reasons, but I don't think that's a very big lift. The only real question IMO is whether to drop it in the main grpcreflect
package or to add a grpcreflectclient
sub-package.
WDYT?
Re: ripping out makego. Not a high priority.
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