simple device provider added
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/drivers/impl/OFSwitchImplOVS13.java b/of/ctl/src/main/java/org/onlab/onos/of/drivers/impl/OFSwitchImplOVS13.java
new file mode 100644
index 0000000..bb6bb23
--- /dev/null
+++ b/of/ctl/src/main/java/org/onlab/onos/of/drivers/impl/OFSwitchImplOVS13.java
@@ -0,0 +1,146 @@
+package org.onlab.onos.of.drivers.impl;
+
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.onlab.onos.of.controller.Dpid;
+import org.onlab.onos.of.controller.driver.AbstractOpenFlowSwitch;
+import org.onlab.onos.of.controller.driver.SwitchDriverSubHandshakeAlreadyStarted;
+import org.onlab.onos.of.controller.driver.SwitchDriverSubHandshakeCompleted;
+import org.onlab.onos.of.controller.driver.SwitchDriverSubHandshakeNotStarted;
+import org.projectfloodlight.openflow.protocol.OFBarrierRequest;
+import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
+import org.projectfloodlight.openflow.protocol.OFFactory;
+import org.projectfloodlight.openflow.protocol.OFMessage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * OFDescriptionStatistics Vendor (Manufacturer Desc.): Nicira, Inc. Make
+ * (Hardware Desc.) : Open vSwitch Model (Datapath Desc.) : None Software :
+ * 2.1.0 (or whatever version + build) Serial : None
+ */
+public class OFSwitchImplOVS13 extends AbstractOpenFlowSwitch {
+
+ private static Logger log =
+ LoggerFactory.getLogger(OFSwitchImplOVS13.class);
+
+ private final AtomicBoolean driverHandshakeComplete;
+ private OFFactory factory;
+ private long barrierXidToWaitFor = -1;
+
+ public OFSwitchImplOVS13(Dpid dpid, OFDescStatsReply desc) {
+ super(dpid);
+ driverHandshakeComplete = new AtomicBoolean(false);
+ setSwitchDescription(desc);
+ }
+
+ @Override
+ public String toString() {
+ return "OFSwitchImplOVS13 [" + ((channel != null)
+ ? channel.getRemoteAddress() : "?")
+ + " DPID[" + ((getStringId() != null) ? getStringId() : "?") + "]]";
+ }
+
+ @Override
+ public void startDriverHandshake() {
+ log.debug("Starting driver handshake for sw {}", getStringId());
+ if (startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeAlreadyStarted();
+ }
+ startDriverHandshakeCalled = true;
+ factory = factory();
+ configureSwitch();
+ }
+
+ @Override
+ public boolean isDriverHandshakeComplete() {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ return driverHandshakeComplete.get();
+ }
+
+ @Override
+ public void processDriverHandshakeMessage(OFMessage m) {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ if (driverHandshakeComplete.get()) {
+ throw new SwitchDriverSubHandshakeCompleted(m);
+ }
+
+ switch (m.getType()) {
+ case BARRIER_REPLY:
+ if (m.getXid() == barrierXidToWaitFor) {
+ driverHandshakeComplete.set(true);
+ }
+ break;
+
+ case ERROR:
+ log.error("Switch {} Error {}", getStringId(), m);
+ break;
+
+ case FEATURES_REPLY:
+ break;
+ case FLOW_REMOVED:
+ break;
+ case GET_ASYNC_REPLY:
+ // OFAsyncGetReply asrep = (OFAsyncGetReply)m;
+ // decodeAsyncGetReply(asrep);
+ break;
+
+ case PACKET_IN:
+ break;
+ case PORT_STATUS:
+ break;
+ case QUEUE_GET_CONFIG_REPLY:
+ break;
+ case ROLE_REPLY:
+ break;
+
+ case STATS_REPLY:
+ // processStatsReply((OFStatsReply) m);
+ break;
+
+ default:
+ log.debug("Received message {} during switch-driver subhandshake "
+ + "from switch {} ... Ignoring message", m, getStringId());
+
+ }
+ }
+
+
+ private void configureSwitch() {
+ sendBarrier(true);
+ }
+
+
+ private void sendBarrier(boolean finalBarrier) {
+ int xid = getNextTransactionId();
+ if (finalBarrier) {
+ barrierXidToWaitFor = xid;
+ }
+ OFBarrierRequest br = factory
+ .buildBarrierRequest()
+ .setXid(xid)
+ .build();
+ sendMsg(br);
+ }
+
+ @Override
+ public Boolean supportNxRole() {
+ return false;
+ }
+
+ @Override
+ public void write(OFMessage msg) {
+ channel.write(msg);
+
+ }
+
+ @Override
+ public void write(List<OFMessage> msgs) {
+ channel.write(msgs);
+ }
+}