[Emu][ONOS-2593, ONOS-2594] BGP SBI controller and session handler
Change-Id: Ia95717ff173b2e3e1198bdd0fafef7cb0aa8f734
diff --git a/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPController.java b/bgp/api/src/main/java/org/onosproject/bgp/controller/BGPController.java
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+/*
+ * 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.bgp.controller;
+
+import org.onosproject.bgpio.protocol.BGPMessage;
+
+/**
+ * Abstraction of an BGP controller. Serves as a one stop shop for obtaining BGP devices and (un)register listeners
+ * on bgp events
+ */
+public interface BGPController {
+
+ /**
+ * Send a message to a particular bgp peer.
+ *
+ * @param bgpId the id of the peer to send message.
+ * @param msg the message to send
+ */
+ void writeMsg(BGPId bgpId, BGPMessage msg);
+
+ /**
+ * Process a message and notify the appropriate listeners.
+ *
+ * @param bgpId id of the peer the message arrived on
+ * @param msg the message to process.
+ */
+ void processBGPPacket(BGPId bgpId, BGPMessage msg);
+
+ /**
+ * Get the BGPConfig class to the caller.
+ *
+ * @return configuration object
+ */
+ BGPCfg getConfig();
+}
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