VOL-2909 - Disaggregating rw_core/core/.
This breaks the core package into logical components. (adapter manager, adapter proxy, devices, nbi/api), as well as the "core" which aggregates all these.
Change-Id: I257ac64024a1cf3efe3f5d89d508e60e6e681fb1
diff --git a/rw_core/utils/id.go b/rw_core/utils/id.go
new file mode 100644
index 0000000..862b909
--- /dev/null
+++ b/rw_core/utils/id.go
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2018-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 utils
+
+import (
+ "errors"
+ "fmt"
+ "math/rand"
+ "strconv"
+
+ "github.com/google/uuid"
+)
+
+// CreateDeviceID produces a device ID. The device ID is a UUID
+func CreateDeviceID() string {
+ return uuid.New().String()
+}
+
+// CreateLogicalDeviceID produces a logical device ID. The logical device ID is a UUID
+func CreateLogicalDeviceID() string {
+ return uuid.New().String()
+}
+
+// CreateLogicalPortID produces a random port ID for a logical device.
+func CreateLogicalPortID() uint32 {
+ // A logical port is a uint32
+ return rand.Uint32()
+}
+
+// CreateDataPathID creates uint64 pathid from string pathid
+func CreateDataPathID(idInHexString string) (uint64, error) {
+ if idInHexString == "" {
+ return 0, errors.New("id-empty")
+ }
+ // First prepend 0x to the string
+ newID := fmt.Sprintf("0x%s", idInHexString)
+ d, err := strconv.ParseUint(newID, 0, 64)
+ if err != nil {
+ return 0, err
+ }
+ return d, nil
+}