[Emu][ONOS-2593, ONOS-2594] BGP SBI controller and session handler

Change-Id: Ia95717ff173b2e3e1198bdd0fafef7cb0aa8f734
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPType.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPType.java
new file mode 100755
index 0000000..d334915
--- /dev/null
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BGPType.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.bgpio.protocol;
+
+/**
+ * Enum to Provide the Different types of BGP messages.
+ */
+public enum BGPType {
+
+    NONE(0), OPEN(1), UPDATE(2), NOTIFICATION(3), KEEP_ALIVE(4);
+
+    int value;
+
+    /**
+     * Assign value with the value val as the types of BGP message.
+     *
+     * @param val type of BGP message
+     */
+    BGPType(int val) {
+        value = val;
+    }
+
+    /**
+     * Returns value as type of BGP message.
+     *
+     * @return value type of BGP message
+     */
+    public byte getType() {
+        return (byte) value;
+    }
+}
\ No newline at end of file