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grpc-go
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Create response at beginning and populate it with corresponding bytes

This commit is contained in:
Menghan Li 2016-06-07 11:40:21 -07:00
parent d578ccfa12
commit 54fd6c1ea3
1 changed files with 34 additions and 17 deletions
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51
reflection/serverreflection.go
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@ -294,44 +294,61 @@ func (s *serverReflectionServer) ServerReflectionInfo(stream rpb.ServerReflectio
return err
}
var response *rpb.FileDescriptorResponse
out := &rpb.ServerReflectionResponse{
ValidHost: in.Host,
OriginalRequest: in,
}
switch req := in.MessageRequest.(type) {
case *rpb.ServerReflectionRequest_FileByFilename:
b, err := s.fileDescWireFormatByFilename(req.FileByFilename)
if err != nil {
// TODO grpc error or send message back
return err
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: [][]byte{b}},
}
}
response = &rpb.FileDescriptorResponse{FileDescriptorProto: [][]byte{b}}
case *rpb.ServerReflectionRequest_FileContainingSymbol:
b, err := s.fileDescWireFormatContainingSymbol(req.FileContainingSymbol)
if err != nil {
// TODO grpc error or send message back
return err
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: [][]byte{b}},
}
}
response = &rpb.FileDescriptorResponse{FileDescriptorProto: [][]byte{b}}
case *rpb.ServerReflectionRequest_FileContainingExtension:
typeName := req.FileContainingExtension.ContainingType
extNum := req.FileContainingExtension.ExtensionNumber
b, err := s.fileDescWireFormatContainingExtension(typeName, extNum)
if err != nil {
// TODO grpc error or send message back
return err
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: [][]byte{b}},
}
}
response = &rpb.FileDescriptorResponse{FileDescriptorProto: [][]byte{b}}
case *rpb.ServerReflectionRequest_AllExtensionNumbersOfType:
case *rpb.ServerReflectionRequest_ListServices:
default:
return grpc.Errorf(codes.InvalidArgument, "invalid MessageRequest: %v", in.MessageRequest)
}
out := &rpb.ServerReflectionResponse{
ValidHost: in.Host,
OriginalRequest: in,
MessageResponse: &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: response,
},
}
if err := stream.Send(out); err != nil {
return err
}