BGP Monitoring in ONOS.
Jira Id: ONOS-8136

Implement bgpmonitoring Api.

Change-Id: I3542cf63b3b3ec604d293c166dbf413b7c158ac7
diff --git a/apps/bgpmonitoring/api/src/main/java/org/onosproject/bgpmonitoring/BmpType.java b/apps/bgpmonitoring/api/src/main/java/org/onosproject/bgpmonitoring/BmpType.java
new file mode 100644
index 0000000..93a94fe
--- /dev/null
+++ b/apps/bgpmonitoring/api/src/main/java/org/onosproject/bgpmonitoring/BmpType.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2021-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 org.onosproject.bgpmonitoring;
+
+/**
+ * Enum to Provide the Different types of BMP messages.
+ */
+public enum BmpType {
+
+    ROUTE_MONITORING((byte) 0x0),
+
+    STATISTICS_REPORT((byte) 0x1),
+
+    PEER_DOWN_NOTIFICATION((byte) 0x2),
+
+    PEER_UP_NOTIFICATION((byte) 0x3),
+
+    INITIATION_MESSAGE((byte) 0x4),
+
+    TERMINATION_MESSAGE((byte) 0x5),
+
+    ROUTE_MIRRORING_MESSAGE((byte) 0x6);
+
+    private final byte value;
+
+    /**
+     * Assign value with the value val as the types of BMP message.
+     *
+     * @param val type of BMP message
+     */
+    BmpType(byte val) {
+        value = val;
+    }
+
+
+    /**
+     * Returns value as type of BMP message.
+     *
+     * @return value type of BMP message
+     */
+    public byte getType() {
+        return value;
+    }
+}