package envoy.extensions.filters.udp.dynamic_modules.v3

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Configuration for the Dynamic Modules UDP listener filter. This filter allows loading shared object files that can be loaded via ``dlopen`` to extend the UDP listener filter chain. A module can be loaded by multiple UDP listener filters; the module is loaded only once and shared across multiple filters.

• optional dynamic_modules.v3.DynamicModuleConfig dynamic_module_config = 1

  Specifies the shared-object level configuration.

• string filter_name = 2

  The name for this filter configuration. This can be used to distinguish between different filter implementations inside a dynamic module. For example, a module can have completely different filter implementations. When Envoy receives this configuration, it passes the ``filter_name`` to the dynamic module's UDP listener filter config init function together with the ``filter_config``. That way a module can decide which in-module filter implementation to use based on the name at load time.

• optional google.protobuf.Any filter_config = 3

  The configuration for the filter chosen by ``filter_name``. This is passed to the module's UDP listener filter initialization function. Together with the ``filter_name``, the module can decide which in-module filter implementation to use and fine-tune the behavior of the filter. For example, if a module has two filter implementations, one for echo and one for rate limiting, ``filter_name`` is used to choose either echo or rate limiting. The ``filter_config`` can be used to configure the echo behavior or the rate limiting parameters. ``google.protobuf.Struct`` is serialized as JSON before passing it to the module. ``google.protobuf.BytesValue`` and ``google.protobuf.StringValue`` are passed directly without the wrapper. .. code-block:: yaml # Passing a string value filter_config: "@type": "type.googleapis.com/google.protobuf.StringValue" value: hello # Passing raw bytes filter_config: "@type": "type.googleapis.com/google.protobuf.BytesValue" value: aGVsbG8= # echo -n "hello" | base64