Initial commit
Change-Id: Ie5485a0def37fc0e5a39b3fa4f22379e5e5def55
diff --git a/omci_common.go b/omci_common.go
new file mode 100644
index 0000000..d4d2e35
--- /dev/null
+++ b/omci_common.go
@@ -0,0 +1,31 @@
+/*
+ * 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 core
+
+import "fmt"
+
+type OmciError struct {
+ Msg string
+}
+
+func (e *OmciError) Error() string {
+ return fmt.Sprintf("%s", e.Msg)
+}
+
+type OnuKey struct {
+ IntfId, OnuId uint32
+}
diff --git a/omci_defs.go b/omci_defs.go
new file mode 100644
index 0000000..634d1d3
--- /dev/null
+++ b/omci_defs.go
@@ -0,0 +1,97 @@
+/*
+ * 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 core
+
+import (
+ "bytes"
+ "encoding/binary"
+ "errors"
+
+ logger "github.com/sirupsen/logrus"
+)
+
+//
+// OMCI definitions
+//
+
+// OmciMsgType represents a OMCI message-type
+type OmciMsgType byte
+
+const (
+ // Message Types
+ _ = iota
+ Create OmciMsgType = 4
+ Delete OmciMsgType = 6
+ Set OmciMsgType = 8
+ Get OmciMsgType = 9
+ GetAllAlarms OmciMsgType = 11
+ GetAllAlarmsNext OmciMsgType = 12
+ MibUpload OmciMsgType = 13
+ MibUploadNext OmciMsgType = 14
+ MibReset OmciMsgType = 15
+ AlarmNotification OmciMsgType = 16
+ AttributeValueChange OmciMsgType = 17
+ Test OmciMsgType = 18
+ StartSoftwareDownload OmciMsgType = 19
+ DownloadSection OmciMsgType = 20
+ EndSoftwareDownload OmciMsgType = 21
+ ActivateSoftware OmciMsgType = 22
+ CommitSoftware OmciMsgType = 23
+ SynchronizeTime OmciMsgType = 24
+ Reboot OmciMsgType = 25
+ GetNext OmciMsgType = 26
+ TestResult OmciMsgType = 27
+ GetCurrentData OmciMsgType = 28
+ SetTable OmciMsgType = 29 // Defined in Extended Message Set Only
+)
+
+const (
+ // Managed Entity Class values
+ GEMPortNetworkCTP OmciClass = 268
+)
+
+// OMCI Managed Entity Class
+type OmciClass uint16
+
+// OMCI Message Identifier
+type OmciMessageIdentifier struct {
+ Class OmciClass
+ Instance uint16
+}
+
+type OmciContent [32]byte
+
+type OmciMessage struct {
+ TransactionId uint16
+ MessageType OmciMsgType
+ DeviceId uint8
+ MessageId OmciMessageIdentifier
+ Content OmciContent
+}
+
+func ParsePkt(pkt []byte) (uint16, uint8, OmciMsgType, OmciClass, uint16, OmciContent, error) {
+ var m OmciMessage
+
+ r := bytes.NewReader(pkt)
+
+ if err := binary.Read(r, binary.BigEndian, &m); err != nil {
+ logger.Error("binary.Read failed: %s", err)
+ return 0, 0, 0, 0, 0, OmciContent{}, errors.New("binary.Read failed")
+ }
+ logger.Debug("OmciRun - TransactionId: %d MessageType: %d, ME Class: %d, ME Instance: %d, Content: %x",
+ m.TransactionId, m.MessageType&0x0F, m.MessageId.Class, m.MessageId.Instance, m.Content)
+ return m.TransactionId, m.DeviceId, m.MessageType & 0x0F, m.MessageId.Class, m.MessageId.Instance, m.Content, nil
+}
diff --git a/omci_handlers.go b/omci_handlers.go
new file mode 100644
index 0000000..e7e1d68
--- /dev/null
+++ b/omci_handlers.go
@@ -0,0 +1,285 @@
+/*
+ * 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 core
+
+import (
+ "encoding/binary"
+ "errors"
+
+ logger "github.com/sirupsen/logrus"
+)
+
+type OmciMsgHandler func(class OmciClass, content OmciContent, key OnuKey) ([]byte, error)
+
+var Handlers = map[OmciMsgType]OmciMsgHandler{
+ MibReset: mibReset,
+ MibUpload: mibUpload,
+ MibUploadNext: mibUploadNext,
+ Set: set,
+ Create: create,
+ Get: get,
+ GetAllAlarms: getAllAlarms,
+}
+
+func mibReset(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ logger.Debug("Omci MibReset")
+
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ return pkt, nil
+}
+
+func mibUpload(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ logger.Debug("Omci MibUpload")
+
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+ pkt[9] = NumMibUploads // Number of subsequent MibUploadNext cmds
+
+ return pkt, nil
+}
+
+func mibUploadNext(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ state := OnuOmciStateMap[key]
+
+ logger.Debug("Omci MibUploadNext %d", state.mibUploadCtr)
+
+ switch state.mibUploadCtr {
+ case 0:
+ // ONT Data (2)
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 1:
+ // Circuit Pack (6) - #1
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x01, 0xf0, 0x00, 0x2f, 0x04,
+ 0x49, 0x53, 0x4b, 0x54, 0x71, 0xe8, 0x00, 0x80,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 2:
+ // Circuit Pack (6) - #2
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x01, 0x0f, 0x00, 0x42, 0x52,
+ 0x43, 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 3:
+ // Circuit Pack (6) - #3
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x01, 0x00, 0xf8, 0x20, 0x20,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x20, 0x20, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 4:
+ // Circuit Pack (6) - #4
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x01, 0x00, 0x04, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 5:
+ // Circuit Pack (6) - #5
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x80, 0xf0, 0x00, 0xee, 0x01,
+ 0x49, 0x53, 0x4b, 0x54, 0x71, 0xe8, 0x00, 0x80,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 6:
+ // Circuit Pack (6) - #6
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x80, 0x0f, 0x00, 0x42, 0x52,
+ 0x43, 0x4d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 7:
+ // Circuit Pack (6) - #7
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x80, 0x00, 0xf8, 0x20, 0x20,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x20, 0x20, 0x00, 0x08, 0x40, 0x10, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 8:
+ // Circuit Pack (6) - #8
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x06, 0x01, 0x80, 0x00, 0x04, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 9, 10, 11, 12:
+ // PPTP (11)
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x0b, 0x01, 0x01, 0xff, 0xfe, 0x00, 0x2f,
+ 0x00, 0x00, 0x00, 0x00, 0x03, 0x05, 0xee, 0x00,
+ 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ pkt[11] = state.pptpInstance // ME Instance
+ state.pptpInstance++
+ case 13, 14, 15, 16, 17, 18, 19, 20:
+ // T-CONT (262)
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x01, 0x06, 0x80, 0x00, 0xe0, 0x00, 0xff, 0xff,
+ 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ pkt[11] = state.tcontInstance // TCONT ME Instance
+ state.tcontInstance++
+ case 21:
+ // ANI-G (263)
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x01, 0x07, 0x80, 0x01, 0xff, 0xff, 0x01, 0x00,
+ 0x08, 0x00, 0x30, 0x00, 0x00, 0x05, 0x09, 0x00,
+ 0x00, 0xe0, 0x54, 0xff, 0xff, 0x00, 0x00, 0x0c,
+ 0x63, 0x81, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ case 22, 23, 24, 25:
+ // UNI-G (264)
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x01, 0x08, 0x01, 0x01, 0xf8, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+ pkt[11] = state.uniGInstance // UNI-G ME Instance
+ state.uniGInstance++
+ default:
+ logger.Error("Invalid MibUpload request %d", state.mibUploadCtr)
+ return nil, errors.New("Invalid MibUpload request")
+ }
+
+ state.mibUploadCtr++
+ return pkt, nil
+}
+
+func set(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+ logger.Debug("Omci Set")
+
+ return pkt, nil
+}
+
+func create(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ if class == GEMPortNetworkCTP {
+ if onuOmciState, ok := OnuOmciStateMap[key]; !ok {
+ logger.Error("ONU Key Error - IntfId: %d, OnuId:", key.IntfId, key.OnuId)
+ return nil, errors.New("ONU Key Error")
+ } else {
+ onuOmciState.gemPortId = binary.BigEndian.Uint16(content[:2])
+ logger.Debug("Gem Port Id %d", onuOmciState.gemPortId)
+ // FIXME
+ OnuOmciStateMap[key].state = DONE
+ }
+ }
+
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x10, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+ logger.Debug("Omci Create")
+
+ return pkt, nil
+}
+
+func get(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x2d, 0x02, 0x01,
+ 0x00, 0x20, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+ logger.Debug("Omci Get")
+
+ return pkt, nil
+}
+
+func getAllAlarms(class OmciClass, content OmciContent, key OnuKey) ([]byte, error) {
+ var pkt []byte
+
+ pkt = []byte{
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
+
+ logger.Debug("Omci GetAllAlarms")
+
+ return pkt, nil
+}
diff --git a/omci_mib.go b/omci_mib.go
new file mode 100644
index 0000000..6fba4fd
--- /dev/null
+++ b/omci_mib.go
@@ -0,0 +1,19 @@
+/*
+ * 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 core
+
+const NumMibUploads byte = 26
diff --git a/omci_sim.go b/omci_sim.go
new file mode 100644
index 0000000..8c5a12a
--- /dev/null
+++ b/omci_sim.go
@@ -0,0 +1,54 @@
+/*
+ * 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 core
+
+import (
+ logger "github.com/sirupsen/logrus"
+)
+
+func OmciSim(intfId uint32, onuId uint32, request []byte) ([]byte, error) {
+ var resp []byte
+
+ transactionId, deviceId, msgType, class, instance, content, err := ParsePkt(request)
+ if err != nil {
+ return resp, &OmciError{"Cannot parse omci msg"}
+ }
+
+ logger.Debug("OmciRun - transactionId: %d msgType: %d, ME Class: %d, ME Instance: %d",
+ transactionId, msgType, class, instance)
+
+ key := OnuKey{intfId, onuId}
+ if _, ok := OnuOmciStateMap[key]; !ok {
+ OnuOmciStateMap[key] = NewOnuOmciState()
+ }
+
+ if _, ok := Handlers[msgType]; !ok {
+ logger.Warn("Ignore omci msg (msgType %d not handled)", msgType)
+ return resp, &OmciError{"Unimplemented omci msg"}
+ }
+
+ resp, err = Handlers[msgType](class, content, key)
+ if err != nil {
+ return resp, err
+ }
+ resp[0] = byte(transactionId >> 8)
+ resp[1] = byte(transactionId & 0xFF)
+ resp[2] = 0x2<<4 | byte(msgType)
+ resp[3] = deviceId
+
+ return resp, nil
+}
diff --git a/omci_state.go b/omci_state.go
new file mode 100644
index 0000000..5f2a314
--- /dev/null
+++ b/omci_state.go
@@ -0,0 +1,49 @@
+/*
+ * 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 core
+
+type OnuOmciState struct {
+ gemPortId uint16
+ mibUploadCtr uint16
+ uniGInstance uint8
+ tcontInstance uint8
+ pptpInstance uint8
+ state istate
+}
+
+type istate int
+
+// TODO - Needs to reflect real ONU/OMCI state
+const (
+ INCOMPLETE istate = iota
+ DONE
+)
+
+var OnuOmciStateMap = map[OnuKey]*OnuOmciState{}
+
+func NewOnuOmciState() *OnuOmciState {
+ return &OnuOmciState{gemPortId: 0, mibUploadCtr: 0, uniGInstance: 1, tcontInstance: 0, pptpInstance: 1}
+}
+
+func GetOnuOmciState(onuId uint32, intfId uint32) istate {
+ key := OnuKey{intfId, onuId}
+ return (OnuOmciStateMap[key].state)
+}
+
+func GetGemPortId(onuId uint32, intfId uint32) uint16 {
+ key := OnuKey{intfId, onuId}
+ return (OnuOmciStateMap[key].gemPortId)
+}