[VOL-2452] Using the latest omci-sim to enable MIB templating and
correctly report port status

Change-Id: I291c0fe01416c1541ef0f55779a77412a2271ea9
diff --git a/vendor/github.com/opencord/omci-sim/omci_softwareimage.go b/vendor/github.com/opencord/omci-sim/omci_softwareimage.go
new file mode 100644
index 0000000..f0d2f9e
--- /dev/null
+++ b/vendor/github.com/opencord/omci-sim/omci_softwareimage.go
@@ -0,0 +1,111 @@
+/*
+ * 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 core
+
+type SoftwareImageAttributes int
+
+const (
+	_                                       = iota
+	SoftwareVersion SoftwareImageAttributes = 0x8000
+	IsCommited      SoftwareImageAttributes = 0x4000
+	IsActive        SoftwareImageAttributes = 0x2000
+	IsValid         SoftwareImageAttributes = 0x1000
+	ProductCode     SoftwareImageAttributes = 0x0800
+	ImageHash       SoftwareImageAttributes = 0x0400
+)
+
+type SoftwareImageAttributeHandler func(*uint, []byte) ([]byte, error)
+
+var SoftwareImageAttributeHandlers = map[SoftwareImageAttributes]SoftwareImageAttributeHandler{
+	SoftwareVersion: GetSoftwareVersion,
+	IsCommited:      GetIsCommited,
+	IsActive:        GetIsActive,
+	IsValid:         GetIsValid,
+	ProductCode:     GetProductCode,
+	ImageHash:       GetImageHash,
+}
+
+func GetSoftwareImageAttributes(pos *uint, pkt []byte, content OmciContent) ([]byte, error) {
+	AttributesMask := getAttributeMask(content)
+
+	for index := uint(16); index >= 1; index-- {
+		Attribute := 1 << (index - 1)
+		reqAttribute := Attribute & AttributesMask
+
+		if reqAttribute != 0 {
+			pkt, _ = SoftwareImageAttributeHandlers[SoftwareImageAttributes(reqAttribute)](pos, pkt)
+		}
+	}
+
+	pkt[8] = 0x00 // Command Processed Successfully
+	pkt[9] = uint8(AttributesMask >> 8)
+	pkt[10] = uint8(AttributesMask & 0x00FF)
+
+	return pkt, nil
+
+}
+
+func GetSoftwareVersion(pos *uint, pkt []byte) ([]byte, error) {
+	// 14 bytes
+	version := []byte("00000000000001")
+	for _, ch := range version {
+		pkt[*pos] = ch
+		*pos++
+	}
+	return pkt, nil
+}
+
+func GetIsCommited(pos *uint, pkt []byte) ([]byte, error) {
+	// 1 bytes
+	pkt[*pos] = 0x01
+	*pos++
+	return pkt, nil
+}
+
+func GetIsActive(pos *uint, pkt []byte) ([]byte, error) {
+	// 1 bytes
+	pkt[*pos] = 0x01
+	*pos++
+	return pkt, nil
+}
+
+func GetIsValid(pos *uint, pkt []byte) ([]byte, error) {
+	// 1 byte
+	pkt[*pos] = 0x01
+	*pos++
+	return pkt, nil
+}
+
+func GetProductCode(pos *uint, pkt []byte) ([]byte, error) {
+	// 25 bytes
+	// BRCM has 25 nulls
+	for i := 1; i <= 25; i++ {
+		pkt[*pos] = 0x00
+		*pos++
+	}
+	return pkt, nil
+}
+
+func GetImageHash(pos *uint, pkt []byte) ([]byte, error) {
+	// 16 bytes
+	// BRCM has 16 nulls
+	for i := 1; i <= 16; i++ {
+		pkt[*pos] = 0x00
+		*pos++
+	}
+	return pkt, nil
+}