mirror of https://github.com/qt/qtgrpc.git
778371b8ea
Even though gRPC provides some leeway, as "Access to metadata is language dependent", we have yet to see an implementation which doesn't support multiple values per key. Common implementations like grpc-c++, grpc-go or grpc-java provide this and we should do it aswell. Ref: https://grpc.io/docs/what-is-grpc/core-concepts/#metadata Ref: https://github.com/grpc/grpc-go/blob/master/Documentation/grpc-metadata.md#constructing-metadata Use a base class to implement common functionality for the options classes. Also use a new common class in the tests. The QMultiHash overload is selected when the 'QtGrpc::MultiValue' argument is used in 'metadata' calls. We update the documentation accordingly. Deprecation is scheduled for Qt 6.13 Users with a custom Qt build - those who care - should be rewarded with minimal traces of this "accident" and should not suffer from potential performance/storage overhead. Therefore we deprecate QtGrpc::MultiValue for those builds, effectively providing Qt 7 behavior. [ChangeLog][Deprecation Notice] Deprecate the metadata()/setMetadata() methods on QGrpcCallOptions and QGrpcChannelOptions that use QHash in favor of the new overloads that use QMultiHash. This is more in line with the gRPC specification. Fixes: QTBUG-136471 Change-Id: I58d14d2c304c06de269c99ba5383beee86d12f77 Reviewed-by: Alexey Edelev <alexey.edelev@qt.io> |
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