Adding upstream version 1.34.4.

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

parser.go

@@ -0,0 +1,40 @@
+package telegraf
+
+// Parser is an interface defining functions that a parser plugin must satisfy.
+type Parser interface {
+	// Parse takes a byte buffer separated by newlines
+	// ie, `cpu.usage.idle 90\ncpu.usage.busy 10`
+	// and parses it into telegraf metrics
+	//
+	// Must be thread-safe.
+	Parse(buf []byte) ([]Metric, error)
+
+	// ParseLine takes a single string metric
+	// ie, "cpu.usage.idle 90"
+	// and parses it into a telegraf metric.
+	//
+	// Must be thread-safe.
+	ParseLine(line string) (Metric, error)
+
+	// SetDefaultTags tells the parser to add all of the given tags
+	// to each parsed metric.
+	// NOTE: do _not_ modify the map after you've passed it here!!
+	SetDefaultTags(tags map[string]string)
+}
+
+// ParserFunc is a function to create a new instance of a parser
+type ParserFunc func() (Parser, error)
+
+// ParserPlugin is an interface for plugins that are able to parse
+// arbitrary data formats.
+type ParserPlugin interface {
+	// SetParser sets the parser function for the interface
+	SetParser(parser Parser)
+}
+
+// ParserFuncPlugin is an interface for plugins that are able to parse
+// arbitrary data formats.
+type ParserFuncPlugin interface {
+	// GetParser returns a new parser.
+	SetParserFunc(fn ParserFunc)
+}