Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/processors/registry.go

@@ -0,0 +1,32 @@
+package processors
+
+import "github.com/influxdata/telegraf"
+
+type Creator func() telegraf.Processor
+type StreamingCreator func() telegraf.StreamingProcessor
+
+// HasUnwrap indicates the presence of an Unwrap() function to retrieve the
+// underlying telegraf.Processor.
+type HasUnwrap interface {
+	Unwrap() telegraf.Processor
+}
+
+// all processors are streaming processors.
+// telegraf.Processor processors are upgraded to telegraf.StreamingProcessor
+var Processors = make(map[string]StreamingCreator)
+
+// Add adds a telegraf.Processor processor
+func Add(name string, creator Creator) {
+	Processors[name] = upgradeToStreamingProcessor(creator)
+}
+
+// AddStreaming adds a telegraf.StreamingProcessor streaming processor
+func AddStreaming(name string, creator StreamingCreator) {
+	Processors[name] = creator
+}
+
+func upgradeToStreamingProcessor(oldCreator Creator) StreamingCreator {
+	return func() telegraf.StreamingProcessor {
+		return NewStreamingProcessorFromProcessor(oldCreator())
+	}
+}