private void verifyFlowMod(OFFlowMod testFlowMod, OFFlowMod goodFlowMod) {
verifyMatch(testFlowMod, goodFlowMod);
verifyActions(testFlowMod, goodFlowMod);
// dont' bother testing the cookie; just copy it over
goodFlowMod.setCookie(testFlowMod.getCookie());
// .. so we can continue to use .equals()
assertEquals(goodFlowMod, testFlowMod);
}
private void verifyActions(OFFlowMod testFlowMod, OFFlowMod goodFlowMod) {
List<OFAction> goodActions = goodFlowMod.getActions();
List<OFAction> testActions = testFlowMod.getActions();
assertNotNull(goodActions);
assertNotNull(testActions);
assertEquals(goodActions.size(), testActions.size());
// assumes actions are marshalled in same order; should be safe
for (int i = 0; i < goodActions.size(); i++) {
assertEquals(goodActions.get(i), testActions.get(i));
}
}
@LogMessageDocs({
@LogMessageDoc(
level = "ERROR",
message = "Failure writing deny flow mod",
explanation = "An I/O error occurred while writing a " + "deny flow mod to a switch",
recommendation = LogMessageDoc.CHECK_SWITCH)
})
public static boolean blockHost(
IFloodlightProviderService floodlightProvider,
SwitchPort sw_tup,
long host_mac,
short hardTimeout,
long cookie) {
if (sw_tup == null) {
return false;
}
IOFSwitch sw = floodlightProvider.getSwitches().get(sw_tup.getSwitchDPID());
if (sw == null) return false;
int inputPort = sw_tup.getPort();
log.debug(
"blockHost sw={} port={} mac={}", new Object[] {sw, sw_tup.getPort(), new Long(host_mac)});
// Create flow-mod based on packet-in and src-switch
OFFlowMod fm = (OFFlowMod) floodlightProvider.getOFMessageFactory().getMessage(OFType.FLOW_MOD);
OFMatch match = new OFMatch();
List<OFAction> actions = new ArrayList<OFAction>(); // Set no action to
// drop
match
.setDataLayerSource(Ethernet.toByteArray(host_mac))
.setInputPort((short) inputPort)
.setWildcards(OFMatch.OFPFW_ALL & ~OFMatch.OFPFW_DL_SRC & ~OFMatch.OFPFW_IN_PORT);
fm.setCookie(cookie)
.setHardTimeout(hardTimeout)
.setIdleTimeout(FLOWMOD_DEFAULT_IDLE_TIMEOUT)
.setHardTimeout(FLOWMOD_DEFAULT_HARD_TIMEOUT)
.setBufferId(OFPacketOut.BUFFER_ID_NONE)
.setMatch(match)
.setActions(actions)
.setLengthU(OFFlowMod.MINIMUM_LENGTH); // +OFActionOutput.MINIMUM_LENGTH);
try {
log.debug("write drop flow-mod sw={} match={} flow-mod={}", new Object[] {sw, match, fm});
// TODO: can't use the message damper sine this method is static
sw.write(fm, null);
} catch (IOException e) {
log.error("Failure writing deny flow mod", e);
return false;
}
return true;
}
@LogMessageDoc(
level = "ERROR",
message = "Failure writing drop flow mod",
explanation = "An I/O error occured while trying to write a " + "drop flow mod to a switch",
recommendation = LogMessageDoc.CHECK_SWITCH)
protected void doDropFlow(
IOFSwitch sw, OFPacketIn pi, IRoutingDecision decision, FloodlightContext cntx) {
// initialize match structure and populate it using the packet
OFMatch match = new OFMatch();
match.loadFromPacket(pi.getPacketData(), pi.getInPort());
if (decision.getWildcards() != null) {
match.setWildcards(decision.getWildcards());
}
// Create flow-mod based on packet-in and src-switch
OFFlowMod fm = (OFFlowMod) floodlightProvider.getOFMessageFactory().getMessage(OFType.FLOW_MOD);
List<OFAction> actions = new ArrayList<OFAction>(); // Set no action to
// drop
long cookie = AppCookie.makeCookie(FORWARDING_APP_ID, 0);
fm.setCookie(cookie)
.setHardTimeout((short) 0)
.setIdleTimeout((short) 5)
.setBufferId(OFPacketOut.BUFFER_ID_NONE)
.setMatch(match)
.setActions(actions)
.setLengthU(OFFlowMod.MINIMUM_LENGTH); // +OFActionOutput.MINIMUM_LENGTH);
try {
if (log.isDebugEnabled()) {
log.debug("write drop flow-mod sw={} match={} flow-mod={}", new Object[] {sw, match, fm});
}
messageDamper.write(sw, fm, cntx);
} catch (IOException e) {
log.error("Failure writing drop flow mod", e);
}
}
static {
FlowMod2 = new OFFlowMod();
TestRule2 = new HashMap<String, Object>();
TestRule2.put(COLUMN_NAME, "TestRule2");
TestRule2.put(COLUMN_SWITCH, TestSwitch1DPID);
// setup match
OFMatch match = new OFMatch();
TestRule2.put(COLUMN_NW_DST, "192.168.1.0/24");
match.fromString("nw_dst=192.168.1.0/24");
// setup actions
List<OFAction> actions = new LinkedList<OFAction>();
TestRule2.put(COLUMN_ACTIONS, "output=1");
actions.add(new OFActionOutput((short) 1, (short) Short.MAX_VALUE));
// done
FlowMod2.setMatch(match);
FlowMod2.setActions(actions);
FlowMod2.setBufferId(-1);
FlowMod2.setOutPort(OFPort.OFPP_NONE.getValue());
FlowMod2.setPriority(Short.MAX_VALUE);
FlowMod2.setLengthU(OFFlowMod.MINIMUM_LENGTH + 8); // 8 bytes of actions
}
static {
FlowMod3 = new OFFlowMod();
TestRule3 = new HashMap<String, Object>();
TestRule3.put(COLUMN_NAME, "TestRule3");
TestRule3.put(COLUMN_SWITCH, TestSwitch1DPID);
// setup match
OFMatch match = new OFMatch();
TestRule3.put(COLUMN_DL_DST, "00:20:30:40:50:60");
TestRule3.put(COLUMN_DL_VLAN, 4096);
match.fromString("dl_dst=00:20:30:40:50:60,dl_vlan=4096");
// setup actions
TestRule3.put(COLUMN_ACTIONS, "output=controller");
List<OFAction> actions = new LinkedList<OFAction>();
actions.add(new OFActionOutput(OFPort.OFPP_CONTROLLER.getValue(), (short) Short.MAX_VALUE));
// done
FlowMod3.setMatch(match);
FlowMod3.setActions(actions);
FlowMod3.setBufferId(-1);
FlowMod3.setOutPort(OFPort.OFPP_NONE.getValue());
FlowMod3.setPriority(Short.MAX_VALUE);
FlowMod3.setLengthU(OFFlowMod.MINIMUM_LENGTH + 8); // 8 bytes of actions
}
public boolean pushRoute(
Route route,
OFMatch match,
Integer wildcard_hints,
OFPacketIn pi,
long pinSwitch,
long cookie,
FloodlightContext cntx,
boolean requestFlowRemovedNotifn,
boolean doFlush,
short flowModCommand) {
boolean srcSwitchIncluded = false;
OFFlowMod fm = (OFFlowMod) floodlightProvider.getOFMessageFactory().getMessage(OFType.FLOW_MOD);
OFActionOutput action = new OFActionOutput();
action.setMaxLength((short) 0xffff);
List<OFAction> actions = new ArrayList<OFAction>();
actions.add(action);
fm.setIdleTimeout(FLOWMOD_DEFAULT_IDLE_TIMEOUT)
.setHardTimeout(FLOWMOD_DEFAULT_HARD_TIMEOUT)
.setBufferId(OFPacketOut.BUFFER_ID_NONE)
.setCookie(cookie)
.setCommand(flowModCommand)
.setMatch(match)
.setActions(actions)
.setLengthU(OFFlowMod.MINIMUM_LENGTH + OFActionOutput.MINIMUM_LENGTH);
List<NodePortTuple> switchPortList = route.getPath();
for (int indx = switchPortList.size() - 1; indx > 0; indx -= 2) {
// indx and indx-1 will always have the same switch DPID.
long switchDPID = switchPortList.get(indx).getNodeId();
IOFSwitch sw = floodlightProvider.getSwitches().get(switchDPID);
if (sw == null) {
if (log.isWarnEnabled()) {
log.warn("Unable to push route, switch at DPID {} " + "not available", switchDPID);
}
return srcSwitchIncluded;
}
// set the match.
fm.setMatch(wildcard(match, sw, wildcard_hints));
// set buffer id if it is the source switch
if (1 == indx) {
// Set the flag to request flow-mod removal notifications only
// for the
// source switch. The removal message is used to maintain the
// flow
// cache. Don't set the flag for ARP messages
if ((requestFlowRemovedNotifn) && (match.getDataLayerType() != Ethernet.TYPE_ARP)) {
fm.setFlags(OFFlowMod.OFPFF_SEND_FLOW_REM);
match.setWildcards(fm.getMatch().getWildcards());
}
}
short outPort = switchPortList.get(indx).getPortId();
short inPort = switchPortList.get(indx - 1).getPortId();
// set input and output ports on the switch
fm.getMatch().setInputPort(inPort);
((OFActionOutput) fm.getActions().get(0)).setPort(outPort);
try {
counterStore.updatePktOutFMCounterStoreLocal(sw, fm);
if (log.isTraceEnabled()) {
log.trace(
"Pushing Route flowmod routeIndx={} " + "sw={} inPort={} outPort={}",
new Object[] {indx, sw, fm.getMatch().getInputPort(), outPort});
}
messageDamper.write(sw, fm, cntx);
if (doFlush) {
sw.flush();
counterStore.updateFlush();
}
// Push the packet out the source switch
if (sw.getId() == pinSwitch) {
pushPacket(sw, match, pi, outPort, cntx);
srcSwitchIncluded = true;
}
} catch (IOException e) {
log.error("Failure writing flow mod", e);
}
try {
fm = fm.clone();
} catch (CloneNotSupportedException e) {
log.error("Failure cloning flow mod", e);
}
}
return srcSwitchIncluded;
}
@Test
public void testStaticFlowPush() throws IOException {
StaticFlowEntryPusher staticFlowEntryPusher = new StaticFlowEntryPusher();
IStorageSourceService storage = createStorageWithFlowEntries();
long dpid = HexString.toLong(TestSwitch1DPID);
// Create a Switch and attach a switch
IOFSwitch mockSwitch = createNiceMock(IOFSwitch.class);
Capture<OFMessage> writeCapture = new Capture<OFMessage>(CaptureType.ALL);
Capture<ListenerContext> contextCapture = new Capture<ListenerContext>(CaptureType.ALL);
Capture<List<OFMessage>> writeCaptureList = new Capture<List<OFMessage>>(CaptureType.ALL);
// OFMessageSafeOutStream mockOutStream = createNiceMock(OFMessageSafeOutStream.class);
mockSwitch.write(capture(writeCapture), capture(contextCapture));
expectLastCall().anyTimes();
mockSwitch.write(capture(writeCaptureList), capture(contextCapture));
expectLastCall().anyTimes();
mockSwitch.flush();
expectLastCall().anyTimes();
staticFlowEntryPusher.setStorageSource(storage);
ModuleContext fmc = new ModuleContext();
MockControllerProvider mockControllerProvider = getMockControllerProvider();
Map<Long, IOFSwitch> switchMap = new HashMap<Long, IOFSwitch>();
switchMap.put(dpid, mockSwitch);
// NO ! expect(mockControllerProvider.getSwitches()).andReturn(switchMap).anyTimes();
mockControllerProvider.setSwitches(switchMap);
staticFlowEntryPusher.setControllerProvider(mockControllerProvider);
RestApiServer restApi = new RestApiServer();
try {
restApi.init(fmc);
} catch (ModuleException e) {
e.printStackTrace();
}
staticFlowEntryPusher.restApi = restApi;
staticFlowEntryPusher.startUp(null); // again, to hack unittest
// verify that flowpusher read all three entries from storage
assertEquals(TotalTestRules, staticFlowEntryPusher.countEntries());
// if someone calls mockSwitch.getOutputStream(), return mockOutStream instead
// expect(mockSwitch.getOutputStream()).andReturn(mockOutStream).anyTimes();
// if someone calls getId(), return this dpid instead
expect(mockSwitch.getId()).andReturn(dpid).anyTimes();
expect(mockSwitch.getStringId()).andReturn(TestSwitch1DPID).anyTimes();
replay(mockSwitch);
// hook the static pusher up to the fake switch
staticFlowEntryPusher.addedSwitch(mockSwitch);
verify(mockSwitch);
// Verify that the switch has gotten some flow_mods
assertEquals(true, writeCapture.hasCaptured());
assertEquals(TotalTestRules, writeCapture.getValues().size());
// Order assumes how things are stored in hash bucket;
// should be fixed because OFMessage.hashCode() is deterministic
OFFlowMod firstFlowMod = (OFFlowMod) writeCapture.getValues().get(2);
verifyFlowMod(firstFlowMod, FlowMod1);
OFFlowMod secondFlowMod = (OFFlowMod) writeCapture.getValues().get(1);
verifyFlowMod(secondFlowMod, FlowMod2);
OFFlowMod thirdFlowMod = (OFFlowMod) writeCapture.getValues().get(0);
verifyFlowMod(thirdFlowMod, FlowMod3);
writeCapture.reset();
contextCapture.reset();
// delete two rules and verify they've been removed
// this should invoke staticFlowPusher.rowsDeleted()
storage.deleteRow(StaticFlowEntryPusher.TABLE_NAME, "TestRule1");
storage.deleteRow(StaticFlowEntryPusher.TABLE_NAME, "TestRule2");
assertEquals(1, staticFlowEntryPusher.countEntries());
assertEquals(2, writeCapture.getValues().size());
OFFlowMod firstDelete = (OFFlowMod) writeCapture.getValues().get(0);
FlowMod1.setCommand(OFFlowMod.OFPFC_DELETE_STRICT);
verifyFlowMod(firstDelete, FlowMod1);
OFFlowMod secondDelete = (OFFlowMod) writeCapture.getValues().get(1);
FlowMod2.setCommand(OFFlowMod.OFPFC_DELETE_STRICT);
verifyFlowMod(secondDelete, FlowMod2);
// add rules back to make sure that staticFlowPusher.rowsInserted() works
writeCapture.reset();
FlowMod2.setCommand(OFFlowMod.OFPFC_ADD);
storage.insertRow(StaticFlowEntryPusher.TABLE_NAME, TestRule2);
assertEquals(2, staticFlowEntryPusher.countEntries());
assertEquals(1, writeCaptureList.getValues().size());
List<OFMessage> outList = (List<OFMessage>) writeCaptureList.getValues().get(0);
assertEquals(1, outList.size());
OFFlowMod firstAdd = (OFFlowMod) outList.get(0);
verifyFlowMod(firstAdd, FlowMod2);
writeCapture.reset();
contextCapture.reset();
writeCaptureList.reset();
// now try an overwriting update, calling staticFlowPusher.rowUpdated()
TestRule3.put(COLUMN_DL_VLAN, 333);
storage.updateRow(StaticFlowEntryPusher.TABLE_NAME, TestRule3);
assertEquals(2, staticFlowEntryPusher.countEntries());
assertEquals(1, writeCaptureList.getValues().size());
outList = (List<OFMessage>) writeCaptureList.getValues().get(0);
assertEquals(2, outList.size());
OFFlowMod removeFlowMod = (OFFlowMod) outList.get(0);
FlowMod3.setCommand(OFFlowMod.OFPFC_DELETE_STRICT);
verifyFlowMod(removeFlowMod, FlowMod3);
FlowMod3.setCommand(OFFlowMod.OFPFC_ADD);
FlowMod3.getMatch().fromString("dl_dst=00:20:30:40:50:60,dl_vlan=333");
OFFlowMod updateFlowMod = (OFFlowMod) outList.get(1);
verifyFlowMod(updateFlowMod, FlowMod3);
writeCaptureList.reset();
// now try an action modifying update, calling staticFlowPusher.rowUpdated()
TestRule3.put(COLUMN_ACTIONS, "output=controller,strip-vlan"); // added strip-vlan
storage.updateRow(StaticFlowEntryPusher.TABLE_NAME, TestRule3);
assertEquals(2, staticFlowEntryPusher.countEntries());
assertEquals(1, writeCaptureList.getValues().size());
outList = (List<OFMessage>) writeCaptureList.getValues().get(0);
assertEquals(1, outList.size());
OFFlowMod modifyFlowMod = (OFFlowMod) outList.get(0);
FlowMod3.setCommand(OFFlowMod.OFPFC_MODIFY_STRICT);
List<OFAction> modifiedActions = FlowMod3.getActions();
modifiedActions.add(
new OFActionStripVirtualLan()); // add the new action to what we should expect
FlowMod3.setActions(modifiedActions);
FlowMod3.setLengthU(OFFlowMod.MINIMUM_LENGTH + 16); // accommodate the addition of new actions
verifyFlowMod(modifyFlowMod, FlowMod3);
}
private void verifyMatch(OFFlowMod testFlowMod, OFFlowMod goodFlowMod) {
assertEquals(goodFlowMod.getMatch(), testFlowMod.getMatch());
}
@Override
public void addedSwitch(IOFSwitch sw) {
/**
* Insert static flows on all ports of the switch to redirect DHCP client --> DHCP DHCPServer
* traffic to the controller. DHCP client's operate on UDP port 67
*/
OFFlowMod flow = new OFFlowMod();
OFMatch match = new OFMatch();
ArrayList<OFAction> actionList = new ArrayList<OFAction>();
OFActionOutput action = new OFActionOutput();
String flowName;
if (sw.getStringId().equals(ROOT_NODE_WIFI_OVS_DPID)) {
// root node, WiFi bridge, patch to tunnel port
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(ROOT_NODE_WIFI_OVS_PATCH);
action.setType(OFActionType.OUTPUT);
action.setPort(ROOT_NODE_WIFI_OVS_TUNNEL);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(ROOT_NODE_WIFI_OVS_TUNNEL);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-wifi-br-patch-tun";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// root node, WiFi bridge, physical to patch
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(ROOT_NODE_WIFI_OVS_TUNNEL);
action.setType(OFActionType.OUTPUT);
action.setPort(ROOT_NODE_WIFI_OVS_PATCH);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(ROOT_NODE_WIFI_OVS_PATCH);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-wifi-br-tun-patch";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
} else if (sw.getStringId().equals(ROOT_NODE_WIMAX_OVS_DPID)) {
// root node, WiMAX bridge, patch to physical
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(ROOT_NODE_WIMAX_OVS_PATCH);
action.setType(OFActionType.OUTPUT);
action.setPort(ROOT_NODE_WIMAX_OVS_VLAN);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(ROOT_NODE_WIMAX_OVS_VLAN);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-wimax-br-patch-phys";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// root node, WiMAX bridge, interface to patch
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(ROOT_NODE_WIMAX_OVS_VLAN);
action.setType(OFActionType.OUTPUT);
action.setPort(ROOT_NODE_WIMAX_OVS_PATCH);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(ROOT_NODE_WIMAX_OVS_PATCH);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-wimax-br-phys-patch";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// root node, WiMAX bridge, DHCP on physical
match.setInputPort(ROOT_NODE_WIMAX_OVS_VLAN);
match.setDataLayerType(Ethernet.TYPE_IPv4);
match.setNetworkProtocol(IPv4.PROTOCOL_UDP);
match.setTransportSource(UDP.DHCP_CLIENT_PORT);
action.setType(OFActionType.OUTPUT);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
action.setPort(OFPort.OFPP_CONTROLLER.getValue());
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(OFPort.OFPP_CONTROLLER.getValue());
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_MAX);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-wimax-br-DHCP-phys";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
} else if (sw.getStringId().equals(ROOT_NODE_ROOT_OVS_DPID)) {
// root node, root bridge, patch AP3 (WiFi) to Linux
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(ROOT_NODE_ROOT_OVS_WIFI_PATCH);
action.setType(OFActionType.OUTPUT);
action.setPort(OFPort.OFPP_LOCAL.getValue());
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(OFPort.OFPP_LOCAL.getValue());
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-root-br-patchWiFi-linux";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// root node, root bridge, patch WiMAX to Linux
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(ROOT_NODE_ROOT_OVS_WIMAX_PATCH);
action.setType(OFActionType.OUTPUT);
action.setPort(OFPort.OFPP_LOCAL.getValue());
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(OFPort.OFPP_LOCAL.getValue());
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "root-node-root-br-patchWiMAX-linux";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// root node, root bridge, physical to Linux
// flow = new OFFlowMod();
// match = new OFMatch();
// match.setInputPort((short) 1);
// action.setType(OFActionType.OUTPUT);
// action.setPort(OFPort.OFPP_LOCAL.getValue());
// action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
// actionList.add(action);
// flow.setCookie(0);
// flow.setBufferId(-1);
// flow.setOutPort(OFPort.OFPP_LOCAL.getValue());
// flow.setActions(actionList);
// flow.setMatch(match);
// flow.setPriority(PRIORITY_HIGH);
// flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
// flowName = "root-ovs-root-br-phys-linux";
// sfp.addFlow(flowName, flow, sw.getStringId());
// log.info("added flow on SW " + sw.getStringId() + flowName);
// actionList.clear();
// root node, root bridge, Linux to physical (match extra: src-ip of root node...i.e. it's
// outbound)
// flow = new OFFlowMod();
// match = new OFMatch();
// match.setInputPort(OFPort.OFPP_LOCAL.getValue());
// match.setDataLayerType(Ethernet.TYPE_IPv4); // ... IP packets ... required for a match on
// an IP address
// match.setNetworkSource(ROOT_NODE_ROOT_OVS_IP);
// action.setType(OFActionType.OUTPUT);
// action.setPort((short) 1);
// action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
// actionList.add(action);
// flow.setCookie(0);
// flow.setBufferId(-1);
// flow.setOutPort((short) 1);
// flow.setActions(actionList);
// flow.setMatch(match);
// flow.setPriority(PRIORITY_HIGH);
// flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
// flowName = "root-ovs-root-br-linux-phys-egress";
// sfp.addFlow(flowName, flow, sw.getStringId());
// log.info("added flow on SW " + sw.getStringId() + flowName);
// actionList.clear();
} else if (sw.getStringId().equals(WIFI_NODE_WIFI_OVS_DPID)) {
// WiFi node, WiFi bridge, physical to patch
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort((short) 1);
action.setType(OFActionType.OUTPUT);
action.setPort(WIFI_NODE_WIFI_OVS_PATCH);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(WIFI_NODE_WIFI_OVS_PATCH);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "wifi-node-wifi-br-phys-patch";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// WiFi node, WiFi bridge, patch to physical
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(WIFI_NODE_WIFI_OVS_PATCH);
action.setType(OFActionType.OUTPUT);
action.setPort((short) 1);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort((short) 1);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "wifi-node-wifi-br-patch-phys";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// root node, WiMAX bridge, DHCP on physical
match.setInputPort((short) 1);
match.setDataLayerType(Ethernet.TYPE_IPv4);
match.setNetworkProtocol(IPv4.PROTOCOL_UDP);
match.setTransportSource(UDP.DHCP_CLIENT_PORT);
action.setType(OFActionType.OUTPUT);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
action.setPort(OFPort.OFPP_CONTROLLER.getValue());
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(OFPort.OFPP_CONTROLLER.getValue());
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_MAX);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "wifi-node-wifi-br-DHCP-phys";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
} else if (sw.getStringId().equals(WIFI_NODE_TUNNEL_OVS_DPID)) {
// WiFi node, tunnel bridge, tunnel to patch
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(WIFI_NODE_TUNNEL_OVS_TUNNEL);
action.setType(OFActionType.OUTPUT);
action.setPort(WIFI_NODE_TUNNEL_OVS_PATCH);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(WIFI_NODE_TUNNEL_OVS_PATCH);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "wifi-node-tunnel-br-tun-patch";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
// WiFi node, tunnel bridge, patch to tunnel
flow = new OFFlowMod();
match = new OFMatch();
match.setInputPort(WIFI_NODE_TUNNEL_OVS_PATCH);
action.setType(OFActionType.OUTPUT);
action.setPort(WIFI_NODE_TUNNEL_OVS_TUNNEL);
action.setLength((short) OFActionOutput.MINIMUM_LENGTH);
actionList.add(action);
flow.setCookie(0);
flow.setBufferId(-1);
flow.setOutPort(WIFI_NODE_TUNNEL_OVS_TUNNEL);
flow.setActions(actionList);
flow.setMatch(match);
flow.setPriority(PRIORITY_HIGH);
flow.setLengthU(OFFlowMod.MINIMUM_LENGTH + action.getLengthU());
flowName = "wifi-node-tunnel-br-patch-tun";
sfp.addFlow(flowName, flow, sw.getStringId());
log.info("added flow on SW " + sw.getStringId() + flowName);
actionList.clear();
}
}
