VOL-1967 move api-server to separate repository

Current with voltha-go acf0adaf2d91ae72b55192cc8a939e0485918d16

Change-Id: I000ea6be0789e20c922bd671562b58a7120892ae
diff --git a/internal/pkg/afrouter/method-details.go b/internal/pkg/afrouter/method-details.go
new file mode 100644
index 0000000..ad05121
--- /dev/null
+++ b/internal/pkg/afrouter/method-details.go
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+
+ * 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 afrouter
+
+import (
+	"github.com/opencord/voltha-go/common/log"
+	"regexp"
+)
+
+type methodDetails struct {
+	all     string
+	pkg     string
+	service string
+	method  string
+}
+
+// The compiled regex to extract the package/service/method
+var mthdSlicer = regexp.MustCompile(`^/([a-zA-Z][a-zA-Z0-9]+)\.([a-zA-Z][a-zA-Z0-9]+)/([a-zA-Z][a-zA-Z0-9]+)`)
+
+func newMethodDetails(fullMethodName string) methodDetails {
+	// The full method name is structured as follows:
+	// <package name>.<service>/<method>
+	mthdSlice := mthdSlicer.FindStringSubmatch(fullMethodName)
+	if mthdSlice == nil {
+		log.Errorf("Faled to slice full method %s, result: %v", fullMethodName, mthdSlice)
+	} else {
+		log.Debugf("Sliced full method %s: %v", fullMethodName, mthdSlice)
+	}
+	return methodDetails{
+		all:     mthdSlice[0],
+		pkg:     mthdSlice[1],
+		service: mthdSlice[2],
+		method:  mthdSlice[3],
+	}
+}