/**
* Copyright 2011, Big Switch Networks, Inc.
* Originally created by David Erickson, Stanford University
*
* 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 net.floodlightcontroller.core.test;
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArrayList;
import net.floodlightcontroller.core.FloodlightContext;
import net.floodlightcontroller.core.HAListenerTypeMarker;
import net.floodlightcontroller.core.IFloodlightProviderService;
import net.floodlightcontroller.core.IHAListener;
import net.floodlightcontroller.core.IInfoProvider;
import net.floodlightcontroller.core.IOFMessageListener;
import net.floodlightcontroller.core.IOFSwitch;
import net.floodlightcontroller.core.IOFSwitchDriver;
import net.floodlightcontroller.core.IOFSwitchListener;
import net.floodlightcontroller.core.IListener.Command;
import net.floodlightcontroller.core.IReadyForReconcileListener;
import net.floodlightcontroller.core.RoleInfo;
import net.floodlightcontroller.core.module.FloodlightModuleContext;
import net.floodlightcontroller.core.module.FloodlightModuleException;
import net.floodlightcontroller.core.module.IFloodlightModule;
import net.floodlightcontroller.core.module.IFloodlightService;
import net.floodlightcontroller.core.util.ListenerDispatcher;
import net.floodlightcontroller.packet.Ethernet;
import org.openflow.protocol.OFMessage;
import org.openflow.protocol.OFPacketIn;
import org.openflow.protocol.OFType;
import org.openflow.protocol.factory.BasicFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author David Erickson (daviderickson@cs.stanford.edu)
*/
public class MockFloodlightProvider implements IFloodlightModule, IFloodlightProviderService {
protected static Logger log = LoggerFactory.getLogger(MockFloodlightProvider.class);
protected ConcurrentMap<OFType, ListenerDispatcher<OFType,IOFMessageListener>> listeners;
protected List<IOFSwitchListener> switchListeners;
protected ListenerDispatcher<HAListenerTypeMarker, IHAListener> haListeners;
protected Map<Long, IOFSwitch> switches;
protected BasicFactory factory;
private Role role;
/**
*
*/
public MockFloodlightProvider() {
listeners = new ConcurrentHashMap<OFType, ListenerDispatcher<OFType,
IOFMessageListener>>();
switches = new ConcurrentHashMap<Long, IOFSwitch>();
switchListeners = new CopyOnWriteArrayList<IOFSwitchListener>();
haListeners =
new ListenerDispatcher<HAListenerTypeMarker, IHAListener>();
factory = BasicFactory.getInstance();
role = null;
}
@Override
public synchronized void addOFMessageListener(OFType type,
IOFMessageListener listener) {
ListenerDispatcher<OFType, IOFMessageListener> ldd =
listeners.get(type);
if (ldd == null) {
ldd = new ListenerDispatcher<OFType, IOFMessageListener>();
listeners.put(type, ldd);
}
ldd.addListener(type, listener);
}
@Override
public synchronized void removeOFMessageListener(OFType type,
IOFMessageListener listener) {
ListenerDispatcher<OFType, IOFMessageListener> ldd =
listeners.get(type);
if (ldd != null) {
ldd.removeListener(listener);
}
}
/**
* @return the listeners
*/
@Override
public Map<OFType, List<IOFMessageListener>> getListeners() {
Map<OFType, List<IOFMessageListener>> lers =
new HashMap<OFType, List<IOFMessageListener>>();
for(Entry<OFType, ListenerDispatcher<OFType, IOFMessageListener>> e :
listeners.entrySet()) {
lers.put(e.getKey(), e.getValue().getOrderedListeners());
}
return Collections.unmodifiableMap(lers);
}
public void clearListeners() {
this.listeners.clear();
}
@Override
public Map<Long,IOFSwitch> getAllSwitchMap() {
return Collections.unmodifiableMap(this.switches);
}
@Override
public Set<Long> getAllSwitchDpids() {
// the contract for getAllSwitchDpids says the caller will own the
// returned set
return new HashSet<Long>(this.switches.keySet());
}
@Override
public IOFSwitch getSwitch(long dpid) {
return this.switches.get(dpid);
}
public void setSwitches(Map<Long, IOFSwitch> switches) {
this.switches = switches;
}
@Override
public void addOFSwitchListener(IOFSwitchListener listener) {
switchListeners.add(listener);
}
@Override
public void removeOFSwitchListener(IOFSwitchListener listener) {
switchListeners.remove(listener);
}
public void dispatchMessage(IOFSwitch sw, OFMessage msg) {
dispatchMessage(sw, msg, new FloodlightContext());
}
public void dispatchMessage(IOFSwitch sw, OFMessage msg, FloodlightContext bc) {
List<IOFMessageListener> theListeners = listeners.get(msg.getType()).getOrderedListeners();
if (theListeners != null) {
Command result = Command.CONTINUE;
Iterator<IOFMessageListener> it = theListeners.iterator();
if (OFType.PACKET_IN.equals(msg.getType())) {
OFPacketIn pi = (OFPacketIn)msg;
Ethernet eth = new Ethernet();
eth.deserialize(pi.getPacketData(), 0, pi.getPacketData().length);
IFloodlightProviderService.bcStore.put(bc,
IFloodlightProviderService.CONTEXT_PI_PAYLOAD,
eth);
}
while (it.hasNext() && !Command.STOP.equals(result)) {
result = it.next().receive(sw, msg, bc);
}
}
}
@Override
public void handleOutgoingMessage(IOFSwitch sw, OFMessage m, FloodlightContext bc) {
List<IOFMessageListener> msgListeners = null;
if (listeners.containsKey(m.getType())) {
msgListeners = listeners.get(m.getType()).getOrderedListeners();
}
if (msgListeners != null) {
for (IOFMessageListener listener : msgListeners) {
if (Command.STOP.equals(listener.receive(sw, m, bc))) {
break;
}
}
}
}
public void handleOutgoingMessages(IOFSwitch sw, List<OFMessage> msglist, FloodlightContext bc) {
for (OFMessage m:msglist) {
handleOutgoingMessage(sw, m, bc);
}
}
/**
* @return the switchListeners
*/
public List<IOFSwitchListener> getSwitchListeners() {
return switchListeners;
}
@Override
public void terminate() {
}
@Override
public boolean injectOfMessage(IOFSwitch sw, OFMessage msg) {
dispatchMessage(sw, msg);
return true;
}
@Override
public boolean injectOfMessage(IOFSwitch sw, OFMessage msg,
FloodlightContext bContext) {
dispatchMessage(sw, msg, bContext);
return true;
}
@Override
public BasicFactory getOFMessageFactory() {
return factory;
}
@Override
public void run() {
logListeners();
}
@Override
public Collection<Class<? extends IFloodlightService>> getModuleServices() {
Collection<Class<? extends IFloodlightService>> services =
new ArrayList<Class<? extends IFloodlightService>>(1);
services.add(IFloodlightProviderService.class);
return services;
}
@Override
public Map<Class<? extends IFloodlightService>, IFloodlightService>
getServiceImpls() {
Map<Class<? extends IFloodlightService>,
IFloodlightService> m =
new HashMap<Class<? extends IFloodlightService>,
IFloodlightService>();
m.put(IFloodlightProviderService.class, this);
return m;
}
@Override
public Collection<Class<? extends IFloodlightService>>
getModuleDependencies() {
return null;
}
@Override
public void init(FloodlightModuleContext context)
throws FloodlightModuleException {
// TODO Auto-generated method stub
}
@Override
public void startUp(FloodlightModuleContext context) {
// TODO Auto-generated method stub
}
@Override
public void addInfoProvider(String type, IInfoProvider provider) {
// TODO Auto-generated method stub
}
@Override
public void removeInfoProvider(String type, IInfoProvider provider) {
// TODO Auto-generated method stub
}
@Override
public Map<String, Object> getControllerInfo(String type) {
// TODO Auto-generated method stub
return null;
}
@Override
public void addHAListener(IHAListener listener) {
haListeners.addListener(null,listener);
}
@Override
public void removeHAListener(IHAListener listener) {
haListeners.removeListener(listener);
}
@Override
public Role getRole() {
/* DISABLE THIS CHECK FOR NOW. OTHER UNIT TESTS NEED TO BE UPDATED
* FIRST
if (this.role == null)
throw new IllegalStateException("You need to call setRole on "
+ "MockFloodlightProvider before calling startUp on "
+ "other modules");
*/
return this.role;
}
@Override
public void setRole(Role role, String roleChangeDescription) {
this.role = role;
}
/**
* Dispatches a new role change notification
* @param oldRole
* @param newRole
*/
public void transitionToMaster() {
for (IHAListener rl : haListeners.getOrderedListeners()) {
rl.transitionToMaster();
}
}
@Override
public Map<String, String> getControllerNodeIPs() {
// TODO Auto-generated method stub
return null;
}
@Override
public long getSystemStartTime() {
// TODO Auto-generated method stub
return 0;
}
private void logListeners() {
for (Map.Entry<OFType,
ListenerDispatcher<OFType,
IOFMessageListener>> entry
: listeners.entrySet()) {
OFType type = entry.getKey();
ListenerDispatcher<OFType, IOFMessageListener> ldd =
entry.getValue();
StringBuffer sb = new StringBuffer();
sb.append("OFListeners for ");
sb.append(type);
sb.append(": ");
for (IOFMessageListener l : ldd.getOrderedListeners()) {
sb.append(l.getName());
sb.append(",");
}
log.debug(sb.toString());
}
}
@Override
public void setAlwaysClearFlowsOnSwActivate(boolean value) {
// TODO Auto-generated method stub
}
@Override
public void addOFSwitchDriver(String desc, IOFSwitchDriver driver) {
// TODO Auto-generated method stub
}
@Override
public RoleInfo getRoleInfo() {
// TODO Auto-generated method stub
return null;
}
@Override
public Map<String, Long> getMemory() {
Map<String, Long> m = new HashMap<String, Long>();
Runtime runtime = Runtime.getRuntime();
m.put("total", runtime.totalMemory());
m.put("free", runtime.freeMemory());
return m;
}
@Override
public Long getUptime() {
RuntimeMXBean rb = ManagementFactory.getRuntimeMXBean();
return rb.getUptime();
}
@Override
public void addReadyForReconcileListener(IReadyForReconcileListener l) {
// do nothing.
}
@Override
public void addSwitchEvent(long switchDPID, String reason, boolean flushNow) {
// TODO Auto-generated method stub
}
@Override
public Set<String> getUplinkPortPrefixSet() {
// TODO Auto-generated method stub
return null;
}
}