[VOL-1349] EPON OLT adapter (package B)
Change-Id: I634ef62c53813dcf4456f54948f13e06358e263c
diff --git a/internal/pkg/core/l2oam/msg_autonomous.go b/internal/pkg/core/l2oam/msg_autonomous.go
new file mode 100644
index 0000000..dff723d
--- /dev/null
+++ b/internal/pkg/core/l2oam/msg_autonomous.go
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2020-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 l2oam
+
+import (
+ "encoding/hex"
+ "fmt"
+
+ "github.com/google/gopacket"
+ "github.com/google/gopacket/layers"
+)
+
+// AutonomousEvent is a structure for Autonomous Event
+type AutonomousEvent struct {
+ ComResp TOAMGetResponse
+ EcLength uint8
+ EcValue []byte
+ EndBranch uint8
+}
+
+// String returns the string expression of AutonomousEvent
+func (d *AutonomousEvent) String() string {
+ message := d.ComResp.String()
+ message = fmt.Sprintf("%s, EcLength:%v, EcValue:%v, EndBranch:%v", message, d.EcLength, hex.EncodeToString(d.EcValue), d.EndBranch)
+ return message
+}
+
+// Len returns the length of AutonomousEvent
+func (d *AutonomousEvent) Len() int {
+ return d.ComResp.Len() + int(d.ComResp.VcLength) + 1
+}
+
+// LayerType returns the ethernet type of AutonomousEvent
+func (d *AutonomousEvent) LayerType() gopacket.LayerType { return layers.LayerTypeEthernet }
+
+// SerializeTo serializes a data structure to byte arrays
+func (d *AutonomousEvent) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
+ return nil
+}
+
+// Decode decodes byte arrays to a data structure
+func (d *AutonomousEvent) Decode(data []byte) error {
+ d.ComResp.Decode(data)
+ i := d.ComResp.Len()
+ d.EcLength = data[i]
+ i++
+ d.EcValue = data[i : i+int(d.EcLength)]
+ i = i + int(d.EcLength)
+ d.EndBranch = data[i]
+
+ return nil
+}
+
+// IsRegistrationStatusMessage returns true if the message is for ONU registration
+func (d *AutonomousEvent) IsRegistrationStatusMessage() bool {
+ return d.ComResp.VcBranch == 0x01 && d.ComResp.VcLeaf == 0x0009
+}