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/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
Copyright The OpenTelemetry Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package internal
import (
"strings"
"go.opentelemetry.io/otel/attribute"
semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
)
// ParseFullMethod returns a span name following the OpenTelemetry semantic
// conventions as well as all applicable span attribute.KeyValue attributes based
// on a ttRPC FullMethod.
func ParseFullMethod(fullMethod string) (string, []attribute.KeyValue) {
var (
attrs []attribute.KeyValue
name = strings.TrimLeft(fullMethod, "/")
)
service, method, ok := strings.Cut(name, "/")
if !ok {
// Invalid format, does not follow `/package.service/method`.
return name, attrs
}
if service != "" {
attrs = append(attrs, semconv.RPCService(service))
}
if method != "" {
attrs = append(attrs, semconv.RPCMethod(method))
}
return name, attrs
}
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