Merge branch 'master' of ssh://gerrit.onlab.us:29418/onos-next

Praseed Balakrishnan
Commit 3abb0838943ece7db18d6ce31595114fe6b73968 3abb0838 2 parents 546cdfc6 49e159ac
Showing 20 changed files with 143 additions and 166 deletions
apps/sdnip/src/main/java/org/onlab/onos/sdnip/PeerConnectivityManager.java
apps/sdnip/src/main/java/org/onlab/onos/sdnip/RouteEntry.java
apps/sdnip/src/test/java/org/onlab/onos/sdnip/bgp/TestBgpPeerChannelHandler.java
core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java
core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java
core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java
core/net/src/main/java/org/onlab/onos/net/proxyarp/impl/ProxyArpManager.java
core/net/src/test/java/org/onlab/onos/net/proxyarp/impl/ProxyArpManagerTest.java
core/store/dist/src/main/java/org/onlab/onos/store/mastership/impl/DistributedMastershipStore.java
core/store/dist/src/main/java/org/onlab/onos/store/topology/impl/DistributedTopologyStore.java
providers/lldp/src/main/java/org/onlab/onos/provider/lldp/impl/LLDPLinkProvider.java
providers/lldp/src/main/java/org/onlab/onos/provider/lldp/impl/LinkDiscovery.java
providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
tools/dev/bash_profile
utils/misc/src/main/java/org/onlab/packet/Ip4Prefix.java
utils/misc/src/main/java/org/onlab/packet/Ip6Prefix.java
utils/misc/src/main/java/org/onlab/packet/IpAddress.java
utils/misc/src/main/java/org/onlab/packet/IpPrefix.java
utils/misc/src/test/java/org/onlab/packet/IpPrefixTest.java
utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
--- a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/PeerConnectivityManager.java
View file @3abb083
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/PeerConnectivityManager.java
View file @3abb083
@@ -148,9 +148,9 @@ public class PeerConnectivityManager {
                         .matchEthType(Ethernet.TYPE_IPV4)
                         .matchIPProtocol(IPv4.PROTOCOL_TCP)
                         .matchIPSrc(IpPrefix.valueOf(bgpdAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchIPDst(IpPrefix.valueOf(bgpdPeerAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchTcpDst((short) BgpConstants.BGP_PORT)
                         .build();
@@ -171,9 +171,9 @@ public class PeerConnectivityManager {
                         .matchEthType(Ethernet.TYPE_IPV4)
                         .matchIPProtocol(IPv4.PROTOCOL_TCP)
                         .matchIPSrc(IpPrefix.valueOf(bgpdAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchIPDst(IpPrefix.valueOf(bgpdPeerAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchTcpSrc((short) BgpConstants.BGP_PORT)
                         .build();
@@ -191,9 +191,9 @@ public class PeerConnectivityManager {
                         .matchEthType(Ethernet.TYPE_IPV4)
                         .matchIPProtocol(IPv4.PROTOCOL_TCP)
                         .matchIPSrc(IpPrefix.valueOf(bgpdPeerAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchIPDst(IpPrefix.valueOf(bgpdAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchTcpDst((short) BgpConstants.BGP_PORT)
                         .build();
@@ -211,9 +211,9 @@ public class PeerConnectivityManager {
                         .matchEthType(Ethernet.TYPE_IPV4)
                         .matchIPProtocol(IPv4.PROTOCOL_TCP)
                         .matchIPSrc(IpPrefix.valueOf(bgpdPeerAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchIPDst(IpPrefix.valueOf(bgpdAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchTcpSrc((short) BgpConstants.BGP_PORT)
                         .build();
@@ -281,9 +281,9 @@ public class PeerConnectivityManager {
                         .matchEthType(Ethernet.TYPE_IPV4)
                         .matchIPProtocol(IPv4.PROTOCOL_ICMP)
                         .matchIPSrc(IpPrefix.valueOf(bgpdAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchIPDst(IpPrefix.valueOf(bgpdPeerAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .build();
                 TrafficTreatment treatment = DefaultTrafficTreatment.builder()
@@ -301,9 +301,9 @@ public class PeerConnectivityManager {
                         .matchEthType(Ethernet.TYPE_IPV4)
                         .matchIPProtocol(IPv4.PROTOCOL_ICMP)
                         .matchIPSrc(IpPrefix.valueOf(bgpdPeerAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .matchIPDst(IpPrefix.valueOf(bgpdAddress.toInt(),
-                                IpAddress.MAX_INET_MASK))
+                                IpPrefix.MAX_INET_MASK_LENGTH))
                         .build();
                 PointToPointIntent reversedIntent =
--- a/apps/sdnip/src/main/java/org/onlab/onos/sdnip/RouteEntry.java
View file @3abb083
+++ b/apps/sdnip/src/main/java/org/onlab/onos/sdnip/RouteEntry.java
View file @3abb083
@@ -75,7 +75,7 @@ public class RouteEntry {
         StringBuilder result = new StringBuilder(ip4Prefix.prefixLength());
         long value = ip4Prefix.toInt();
         for (int i = 0; i < ip4Prefix.prefixLength(); i++) {
-            long mask = 1 << (IpAddress.MAX_INET_MASK - 1 - i);
+            long mask = 1 << (IpPrefix.MAX_INET_MASK_LENGTH - 1 - i);
             result.append(((value & mask) == 0) ? "0" : "1");
         }
         return result.toString();
--- a/apps/sdnip/src/test/java/org/onlab/onos/sdnip/bgp/TestBgpPeerChannelHandler.java
View file @3abb083
+++ b/apps/sdnip/src/test/java/org/onlab/onos/sdnip/bgp/TestBgpPeerChannelHandler.java
View file @3abb083
@@ -190,12 +190,12 @@ class TestBgpPeerChannelHandler extends SimpleChannelHandler {
             IpAddress address = prefix.toIpAddress();
             long value = address.toInt() & 0xffffffffL;
-            for (int i = 0; i < IpAddress.INET_LEN; i++) {
+            for (int i = 0; i < IpAddress.INET_BYTE_LENGTH; i++) {
                 if (prefixBytelen-- == 0) {
                     break;
                 }
                 long nextByte =
-                    (value >> ((IpAddress.INET_LEN - i - 1) * 8)) & 0xff;
+                    (value >> ((IpAddress.INET_BYTE_LENGTH - i - 1) * 8)) & 0xff;
                 message.writeByte((int) nextByte);
             }
         }
--- a/core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java
View file @3abb083
+++ b/core/net/src/main/java/org/onlab/onos/cluster/impl/MastershipManager.java
View file @3abb083
@@ -269,10 +269,6 @@ implements MastershipService, MastershipAdminService {
         @Override
         public void notify(MastershipEvent event) {
-            if (clusterService.getLocalNode().id().equals(event.roleInfo().master())) {
-                log.info("ignoring locally-generated event {}", event);
-               // return;
-            }
             log.info("dispatching mastership event {}", event);
             eventDispatcher.post(event);
         }
--- a/core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java
View file @3abb083
+++ b/core/net/src/main/java/org/onlab/onos/net/device/impl/DeviceManager.java
View file @3abb083
@@ -432,7 +432,6 @@ public class DeviceManager
                     if (!isReachable(device)) {
                         log.warn("Device {} has disconnected after this event", did);
                         mastershipService.relinquishMastership(did);
-                        applyRole(did, MastershipRole.STANDBY);
                         return;
                     }
                     //flag the device as online. Is there a better way to do this?
@@ -448,6 +447,7 @@ public class DeviceManager
                 if (!isReachable(getDevice(did))) {
                     log.warn("Device {} has disconnected after this event", did);
                     mastershipService.relinquishMastership(did);
+                    return;
                 }
                 applyRole(did, MastershipRole.STANDBY);
             }
@@ -455,19 +455,21 @@ public class DeviceManager
         // checks for duplicate event, returning true if one is found.
         private boolean checkDuplicate(RoleInfo roleInfo, int term) {
-            synchronized (eventCache) {
+            // turning off duplicate check
-                if (eventCache.get(term).contains(roleInfo)) {
-                    log.info("duplicate event detected; ignoring");
-                    return true;
-                } else {
-                    eventCache.put(term, roleInfo);
-                    // purge by-term oldest entries to keep the cache size under limit
-                    if (eventCache.size() > cacheSize) {
-                        eventCache.removeAll(term - cacheSize);
-                    }
             return false;
-                }
+//            synchronized (eventCache) {
-            }
+//                if (eventCache.get(term).contains(roleInfo)) {
+//                    log.info("duplicate event detected; ignoring");
+//                    return true;
+//                } else {
+//                    eventCache.put(term, roleInfo);
+//                    // purge by-term oldest entries to keep the cache size under limit
+//                    if (eventCache.size() > cacheSize) {
+//                        eventCache.removeAll(term - cacheSize);
+//                    }
+//                    return false;
+//                }
+//            }
         }
     }
--- a/core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java
View file @3abb083
+++ b/core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java
View file @3abb083
@@ -46,7 +46,6 @@ import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.packet.ARP;
 import org.onlab.packet.Ethernet;
 import org.onlab.packet.IpAddress;
-import org.onlab.packet.IpPrefix;
 import org.onlab.packet.MacAddress;
 import org.onlab.util.Timer;
@@ -212,7 +211,7 @@ public class HostMonitor implements TimerTask {
         arp.setHardwareType(ARP.HW_TYPE_ETHERNET)
            .setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH)
            .setProtocolType(ARP.PROTO_TYPE_IP)
-           .setProtocolAddressLength((byte) IpPrefix.INET_LEN)
+           .setProtocolAddressLength((byte) IpAddress.INET_BYTE_LENGTH)
            .setOpCode(ARP.OP_REQUEST);
         arp.setSenderHardwareAddress(sourceMac.getAddress())
--- a/core/net/src/main/java/org/onlab/onos/net/proxyarp/impl/ProxyArpManager.java
View file @3abb083
+++ b/core/net/src/main/java/org/onlab/onos/net/proxyarp/impl/ProxyArpManager.java
View file @3abb083
@@ -56,7 +56,6 @@ import org.onlab.onos.net.proxyarp.ProxyArpService;
 import org.onlab.packet.ARP;
 import org.onlab.packet.Ethernet;
 import org.onlab.packet.IpAddress;
-import org.onlab.packet.IpPrefix;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
 import org.slf4j.Logger;
@@ -368,7 +367,7 @@ public class ProxyArpManager implements ProxyArpService {
         arp.setProtocolType(ARP.PROTO_TYPE_IP);
         arp.setHardwareType(ARP.HW_TYPE_ETHERNET);
-        arp.setProtocolAddressLength((byte) IpPrefix.INET_LEN);
+        arp.setProtocolAddressLength((byte) IpAddress.INET_BYTE_LENGTH);
         arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH);
         arp.setSenderHardwareAddress(srcMac.getAddress());
         arp.setTargetHardwareAddress(request.getSourceMACAddress());
--- a/core/net/src/test/java/org/onlab/onos/net/proxyarp/impl/ProxyArpManagerTest.java
View file @3abb083
+++ b/core/net/src/test/java/org/onlab/onos/net/proxyarp/impl/ProxyArpManagerTest.java
View file @3abb083
@@ -534,7 +534,7 @@ public class ProxyArpManagerTest {
         arp.setProtocolType(ARP.PROTO_TYPE_IP);
         arp.setHardwareType(ARP.HW_TYPE_ETHERNET);
-        arp.setProtocolAddressLength((byte) IpPrefix.INET_LEN);
+        arp.setProtocolAddressLength((byte) IpAddress.INET_BYTE_LENGTH);
         arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH);
         arp.setSenderHardwareAddress(srcMac.getAddress());
--- a/core/store/dist/src/main/java/org/onlab/onos/store/mastership/impl/DistributedMastershipStore.java
View file @3abb083
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/mastership/impl/DistributedMastershipStore.java
View file @3abb083
@@ -358,6 +358,7 @@ implements MastershipStore {
         @Override
         public void entryAdded(EntryEvent<DeviceId, RoleValue> event) {
+            entryUpdated(event);
         }
         @Override
@@ -366,7 +367,6 @@ implements MastershipStore {
         @Override
         public void entryUpdated(EntryEvent<DeviceId, RoleValue> event) {
-            // this subsumes entryAdded event
             notifyDelegate(new MastershipEvent(
                     MASTER_CHANGED, event.getKey(), event.getValue().roleInfo()));
         }
--- a/core/store/dist/src/main/java/org/onlab/onos/store/topology/impl/DistributedTopologyStore.java
View file @3abb083
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/topology/impl/DistributedTopologyStore.java
View file @3abb083
@@ -17,6 +17,7 @@ package org.onlab.onos.store.topology.impl;
 import static org.slf4j.LoggerFactory.getLogger;
+import java.util.Collections;
 import java.util.List;
 import java.util.Set;
@@ -26,11 +27,13 @@ import org.apache.felix.scr.annotations.Deactivate;
 import org.apache.felix.scr.annotations.Service;
 import org.onlab.onos.event.Event;
 import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.Device;
 import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.Link;
 import org.onlab.onos.net.Path;
 import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.onos.net.topology.ClusterId;
+import org.onlab.onos.net.topology.DefaultGraphDescription;
 import org.onlab.onos.net.topology.GraphDescription;
 import org.onlab.onos.net.topology.LinkWeight;
 import org.onlab.onos.net.topology.Topology;
@@ -55,7 +58,11 @@ implements TopologyStore {
     private final Logger log = getLogger(getClass());
-    private volatile DefaultTopology current;
+    private volatile DefaultTopology current =
+            new DefaultTopology(ProviderId.NONE,
+                    new DefaultGraphDescription(0L,
+                            Collections.<Device>emptyList(),
+                            Collections.<Link>emptyList()));
     @Activate
     public void activate() {
--- a/providers/lldp/src/main/java/org/onlab/onos/provider/lldp/impl/LLDPLinkProvider.java
View file @3abb083
+++ b/providers/lldp/src/main/java/org/onlab/onos/provider/lldp/impl/LLDPLinkProvider.java
View file @3abb083
@@ -145,7 +145,7 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
                     break;
                 case PORT_ADDED:
                 case PORT_UPDATED:
-                    if (event.port().isEnabled()) {
+                    if (port.isEnabled()) {
                         ld = discoverers.get(device.id());
                         if (ld == null) {
                             return;
@@ -155,6 +155,7 @@ public class LLDPLinkProvider extends AbstractProvider implements LinkProvider {
                             ld.addPort(port);
                         }
                     } else {
+                        log.debug("Port down {}", port);
                         ConnectPoint point = new ConnectPoint(device.id(),
                                                               port.number());
                         providerService.linksVanished(point);
--- a/providers/lldp/src/main/java/org/onlab/onos/provider/lldp/impl/LinkDiscovery.java
View file @3abb083
+++ b/providers/lldp/src/main/java/org/onlab/onos/provider/lldp/impl/LinkDiscovery.java
View file @3abb083
@@ -68,6 +68,7 @@ public class LinkDiscovery implements TimerTask {
     // send 1 probe every probeRate milliseconds
     private final long probeRate;
     private final Set<Long> slowPorts;
+    // ports, known to have incoming links
     private final Set<Long> fastPorts;
     // number of unacknowledged probes per port
     private final Map<Long, AtomicInteger> portProbeCount;
@@ -125,6 +126,7 @@ public class LinkDiscovery implements TimerTask {
             log.info("Using BDDP to discover network");
         }
+        this.isStopped = true;
         start();
         this.log.debug("Started discovery manager for switch {}",
                        device.id());
@@ -140,7 +142,10 @@ public class LinkDiscovery implements TimerTask {
     public void addPort(final Port port) {
         this.log.debug("Sending init probe to port {}@{}",
                        port.number().toLong(), device.id());
+        boolean isMaster = mastershipService.getLocalRole(device.id()) == MASTER;
+        if (isMaster) {
             sendProbes(port.number().toLong());
+        }
         synchronized (this) {
             this.slowPorts.add(port.number().toLong());
         }
@@ -233,6 +238,13 @@ public class LinkDiscovery implements TimerTask {
      */
     @Override
     public void run(final Timeout t) {
+        boolean isMaster = mastershipService.getLocalRole(device.id()) == MASTER;
+        if (!isMaster) {
+            // reschedule timer
+            timeout = Timer.getTimer().newTimeout(this, this.probeRate, MILLISECONDS);
+            return;
+        }
+
         this.log.trace("Sending probes from {}", device.id());
         synchronized (this) {
             final Iterator<Long> fastIterator = this.fastPorts.iterator();
@@ -245,6 +257,7 @@ public class LinkDiscovery implements TimerTask {
                     sendProbes(portNumber);
                 } else {
+                    // Link down, demote to slowPorts
                     // Update fast and slow ports
                     fastIterator.remove();
                     this.slowPorts.add(portNumber);
@@ -274,8 +287,12 @@ public class LinkDiscovery implements TimerTask {
     }
     public void start() {
+        if (isStopped) {
             timeout = Timer.getTimer().newTimeout(this, 0, MILLISECONDS);
             isStopped = false;
+        } else {
+            log.warn("LinkDiscovery started multiple times?");
+        }
     }
     /**
@@ -317,8 +334,8 @@ public class LinkDiscovery implements TimerTask {
     }
     private void sendProbes(Long portNumber) {
-        boolean isMaster = mastershipService.getLocalRole(device.id()) == MASTER;
+        // TODO: should have suppression port configuration, not by type
-        if (isMaster && device.type() != Device.Type.ROADM) {
+        if (device.type() != Device.Type.ROADM) {
             log.debug("Sending probes out to {}@{}", portNumber, device.id());
             OutboundPacket pkt = this.createOutBoundLLDP(portNumber);
             pktService.emit(pkt);
--- a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
View file @3abb083
+++ b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
View file @3abb083
@@ -171,7 +171,8 @@ public class FlowEntryBuilder {
                     builder.setIpDst(IpPrefix.valueOf(di.getInt(),
                             di.asCidrMaskLength()));
                 } else {
-                    builder.setIpDst(IpPrefix.valueOf(di.getInt()));
+                    builder.setIpDst(IpPrefix.valueOf(di.getInt(),
+                                        IpPrefix.MAX_INET_MASK_LENGTH));
                 }
                 break;
             case SET_NW_SRC:
@@ -181,7 +182,8 @@ public class FlowEntryBuilder {
                     builder.setIpSrc(IpPrefix.valueOf(si.getInt(),
                             si.asCidrMaskLength()));
                 } else {
-                    builder.setIpSrc(IpPrefix.valueOf(si.getInt()));
+                    builder.setIpSrc(IpPrefix.valueOf(si.getInt(),
+                                        IpPrefix.MAX_INET_MASK_LENGTH));
                 }
                 break;
             case EXPERIMENTER:
@@ -256,7 +258,7 @@ public class FlowEntryBuilder {
                 } else {
                     dip = IpPrefix.valueOf(
                             match.get(MatchField.IPV4_DST).getInt(),
-                            IpPrefix.MAX_INET_MASK);
+                            IpPrefix.MAX_INET_MASK_LENGTH);
                 }
                 builder.matchIPDst(dip);
@@ -272,7 +274,7 @@ public class FlowEntryBuilder {
                 } else {
                     sip = IpPrefix.valueOf(
                             match.get(MatchField.IPV4_SRC).getInt(),
-                            IpPrefix.MAX_INET_MASK);
+                            IpPrefix.MAX_INET_MASK_LENGTH);
                 }
                 builder.matchIPSrc(sip);
--- a/tools/dev/bash_profile
View file @3abb083
+++ b/tools/dev/bash_profile
View file @3abb083
@@ -8,7 +8,7 @@ export ONOS_ROOT=${ONOS_ROOT:-~/onos-next}
 # Setup some environmental context for developers
 if [ -z "${JAVA_HOME}" ]; then
     if [ -x /usr/libexec/java_home ]; then
-        export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
+        export JAVA_HOME=$(/usr/libexec/java_home -v 1.7)
     elif [ -d /usr/lib/jvm/java-7-openjdk-amd64 ]; then
         export JAVA_HOME="/usr/lib/jvm/java-7-openjdk-amd64"
     fi
--- a/utils/misc/src/main/java/org/onlab/packet/Ip4Prefix.java
View file @3abb083
+++ b/utils/misc/src/main/java/org/onlab/packet/Ip4Prefix.java
View file @3abb083
@@ -101,20 +101,6 @@ public final class Ip4Prefix {
         return this.address.toString() + "/" + this.prefixLen;
     }
-    /**
-     * Compares the value of two Ip4Prefix objects.
-     * <p/>
-     * Note the value of the IPv4 address is compared directly between the
-     * objects, and must match exactly for the objects to be considered equal.
-     * This may result in objects which represent the same IP prefix being
-     * classified as unequal, because the unsignificant bits of the address
-     * field don't match (the bits to the right of the prefix length).
-     * <p/>
-     * TODO Change this behavior so that objects that represent the same prefix
-     * are classified as equal according to this equals method.
-     *
-     * @see Object#equals(Object)
-     */
     @Override
     public boolean equals(Object other) {
         if (other == this) {
--- a/utils/misc/src/main/java/org/onlab/packet/Ip6Prefix.java
View file @3abb083
+++ b/utils/misc/src/main/java/org/onlab/packet/Ip6Prefix.java
View file @3abb083
@@ -101,20 +101,6 @@ public final class Ip6Prefix {
         return this.address.toString() + "/" + this.prefixLen;
     }
-    /**
-     * Compares the value of two Ip6Prefix objects.
-     * <p/>
-     * Note the value of the IPv6 address is compared directly between the
-     * objects, and must match exactly for the objects to be considered equal.
-     * This may result in objects which represent the same IP prefix being
-     * classified as unequal, because the unsignificant bits of the address
-     * field don't match (the bits to the right of the prefix length).
-     * <p/>
-     * TODO Change this behavior so that objects that represent the same prefix
-     * are classified as equal according to this equals method.
-     *
-     * @see Object#equals(Object)
-     */
     @Override
     public boolean equals(Object other) {
         if (other == this) {
--- a/utils/misc/src/main/java/org/onlab/packet/IpAddress.java
View file @3abb083
+++ b/utils/misc/src/main/java/org/onlab/packet/IpAddress.java
View file @3abb083
--- a/utils/misc/src/main/java/org/onlab/packet/IpPrefix.java
View file @3abb083
+++ b/utils/misc/src/main/java/org/onlab/packet/IpPrefix.java
View file @3abb083
@@ -26,48 +26,37 @@ public final class IpPrefix {
     // TODO a comparator for netmasks? E.g. for sorting by prefix match order.
-    //IP Versions
+    // IP Versions: IPv4 and IPv6
     public enum Version { INET, INET6 };
-    //lengths of address, in bytes
+    // Maximum network mask length
-    public static final int INET_LEN = 4;
+    public static final int MAX_INET_MASK_LENGTH = IpAddress.INET_BIT_LENGTH;
-    public static final int INET6_LEN = 16;
+    public static final int MAX_INET6_MASK_LENGTH = IpAddress.INET6_BIT_LENGTH;
-    //maximum CIDR value
-    public static final int MAX_INET_MASK = 32;
     //no mask (no network), e.g. a simple address
-    public static final int DEFAULT_MASK = 0;
+    private static final int DEFAULT_MASK = 0;
     /**
      * Default value indicating an unspecified address.
      */
-    static final byte[] ANY = new byte [] {0, 0, 0, 0};
+    private static final byte[] ANY = new byte[] {0, 0, 0, 0};
-    protected Version version;
+    private final Version version;
-
+    private final byte[] octets;
-    protected byte[] octets;
+    private final int netmask;
-    protected int netmask;
-
-    private IpPrefix(Version ver, byte[] octets, int netmask) {
-        this.version = ver;
-        this.octets = Arrays.copyOf(octets, INET_LEN);
-        this.netmask = netmask;
-    }
-
-    private IpPrefix(Version ver, byte[] octets) {
-        this.version = ver;
-        this.octets = Arrays.copyOf(octets, INET_LEN);
-        this.netmask = DEFAULT_MASK;
-    }
     /**
-     * Converts a byte array into an IP address.
+     * Constructor for given IP address version, prefix address octets,
+     * and network mask length.
      *
-     * @param address a byte array
+     * @param ver the IP address version
-     * @return an IP address
+     * @param octets the IP prefix address octets
+     * @param netmask the network mask length
      */
-    public static IpPrefix valueOf(byte [] address) {
+    private IpPrefix(Version ver, byte[] octets, int netmask) {
-        return new IpPrefix(Version.INET, address);
+        this.version = ver;
+        this.octets = Arrays.copyOf(octets, IpAddress.INET_BYTE_LENGTH);
+        this.netmask = netmask;
     }
     /**
@@ -77,7 +66,7 @@ public final class IpPrefix {
      * @param netmask the CIDR value subnet mask
      * @return an IP address
      */
-    public static IpPrefix valueOf(byte [] address, int netmask) {
+    public static IpPrefix valueOf(byte[] address, int netmask) {
         return new IpPrefix(Version.INET, address, netmask);
     }
@@ -87,10 +76,11 @@ public final class IpPrefix {
      * @param address the integer to convert
      * @return a byte array
      */
-    private static byte [] bytes(int address) {
+    private static byte[] bytes(int address) {
-        byte [] bytes = new byte [INET_LEN];
+        byte[] bytes = new byte [IpAddress.INET_BYTE_LENGTH];
-        for (int i = 0; i < INET_LEN; i++) {
+        for (int i = 0; i < IpAddress.INET_BYTE_LENGTH; i++) {
-            bytes[i] = (byte) ((address >> (INET_LEN - (i + 1)) * 8) & 0xff);
+            bytes[i] = (byte) ((address >> (IpAddress.INET_BYTE_LENGTH
+                                            - (i + 1)) * 8) & 0xff);
         }
         return bytes;
@@ -100,16 +90,6 @@ public final class IpPrefix {
      * Converts an integer into an IPv4 address.
      *
      * @param address an integer representing an IP value
-     * @return an IP address
-     */
-    public static IpPrefix valueOf(int address) {
-        return new IpPrefix(Version.INET, bytes(address));
-    }
-
-    /**
-     * Converts an integer into an IPv4 address.
-     *
-     * @param address an integer representing an IP value
      * @param netmask the CIDR value subnet mask
      * @return an IP address
      */
@@ -127,7 +107,7 @@ public final class IpPrefix {
      */
     public static IpPrefix valueOf(String address) {
-        final String [] parts = address.split("\\/");
+        final String[] parts = address.split("\\/");
         if (parts.length > 2) {
             throw new IllegalArgumentException("Malformed IP address string; "
                     + "Address must take form \"x.x.x.x\" or \"x.x.x.x/y\"");
@@ -136,20 +116,20 @@ public final class IpPrefix {
         int mask = DEFAULT_MASK;
         if (parts.length == 2) {
             mask = Integer.parseInt(parts[1]);
-            if (mask > MAX_INET_MASK) {
+            if (mask > MAX_INET_MASK_LENGTH) {
                 throw new IllegalArgumentException(
                         "Value of subnet mask cannot exceed "
-                                + MAX_INET_MASK);
+                                + MAX_INET_MASK_LENGTH);
             }
         }
-        final String [] net = parts[0].split("\\.");
+        final String[] net = parts[0].split("\\.");
-        if (net.length != INET_LEN) {
+        if (net.length != IpAddress.INET_BYTE_LENGTH) {
             throw new IllegalArgumentException("Malformed IP address string; "
                     + "Address must have four decimal values separated by dots (.)");
         }
-        final byte [] bytes = new byte[INET_LEN];
+        final byte[] bytes = new byte[IpAddress.INET_BYTE_LENGTH];
-        for (int i = 0; i < INET_LEN; i++) {
+        for (int i = 0; i < IpAddress.INET_BYTE_LENGTH; i++) {
             bytes[i] = (byte) Short.parseShort(net[i], 10);
         }
         return new IpPrefix(Version.INET, bytes, mask);
@@ -170,7 +150,7 @@ public final class IpPrefix {
      * @return a byte array
      */
     public byte[] toOctets() {
-        return Arrays.copyOf(this.octets, INET_LEN);
+        return Arrays.copyOf(this.octets, IpAddress.INET_BYTE_LENGTH);
     }
     /**
@@ -202,18 +182,17 @@ public final class IpPrefix {
      * @return an integer bitmask
      */
     private int mask() {
-        int shift = MAX_INET_MASK - this.netmask;
+        int shift = MAX_INET_MASK_LENGTH - this.netmask;
         return ((Integer.MAX_VALUE >>> (shift - 1)) << shift);
     }
     /**
-     * Returns the subnet mask in IpAddress form. The netmask value for
+     * Returns the subnet mask in IpAddress form.
-     * the returned IpAddress is 0, as the address itself is a mask.
      *
-     * @return the subnet mask
+     * @return the subnet mask as an IpAddress
      */
-    public IpPrefix netmask() {
+    public IpAddress netmask() {
-        return new IpPrefix(Version.INET, bytes(mask()));
+        return IpAddress.valueOf(mask());
     }
     /**
@@ -228,9 +207,9 @@ public final class IpPrefix {
             return new IpPrefix(version, ANY, DEFAULT_MASK);
         }
-        byte [] net = new byte [4];
+        byte[] net = new byte [4];
-        byte [] mask = bytes(mask());
+        byte[] mask = bytes(mask());
-        for (int i = 0; i < INET_LEN; i++) {
+        for (int i = 0; i < IpAddress.INET_BYTE_LENGTH; i++) {
             net[i] = (byte) (octets[i] & mask[i]);
         }
         return new IpPrefix(version, net, netmask);
@@ -249,9 +228,9 @@ public final class IpPrefix {
             new IpPrefix(version, octets, netmask);
         }
-        byte [] host = new byte [INET_LEN];
+        byte[] host = new byte [IpAddress.INET_BYTE_LENGTH];
-        byte [] mask = bytes(mask());
+        byte[] mask = bytes(mask());
-        for (int i = 0; i < INET_LEN; i++) {
+        for (int i = 0; i < IpAddress.INET_BYTE_LENGTH; i++) {
             host[i] = (byte) (octets[i] & ~mask[i]);
         }
         return new IpPrefix(version, host, netmask);
@@ -283,7 +262,7 @@ public final class IpPrefix {
     public boolean contains(IpPrefix other) {
         if (this.netmask <= other.netmask) {
             // Special case where they're both /32 addresses
-            if (this.netmask == MAX_INET_MASK) {
+            if (this.netmask == MAX_INET_MASK_LENGTH) {
                 return Arrays.equals(octets, other.octets);
             }
@@ -302,7 +281,7 @@ public final class IpPrefix {
         IpPrefix meMasked = network();
         IpPrefix otherMasked =
-                IpPrefix.valueOf(address.octets, netmask).network();
+            IpPrefix.valueOf(address.toOctets(), netmask).network();
         return Arrays.equals(meMasked.octets, otherMasked.octets);
     }
@@ -364,5 +343,4 @@ public final class IpPrefix {
         }
         return builder.toString();
     }
-
 }
--- a/utils/misc/src/test/java/org/onlab/packet/IpPrefixTest.java
View file @3abb083
+++ b/utils/misc/src/test/java/org/onlab/packet/IpPrefixTest.java
View file @3abb083
@@ -32,15 +32,15 @@ public class IpPrefixTest {
     private static final byte [] BYTES2 = new byte [] {0xa, 0x0, 0x0, 0xb};
     private static final int INTVAL1 = 167772170;
     private static final int INTVAL2 = 167772171;
-    private static final String STRVAL = "10.0.0.12";
+    private static final String STRVAL = "10.0.0.12/16";
-    private static final int MASK = 16;
+    private static final int MASK_LENGTH = 16;
     @Test
     public void testEquality() {
-        IpPrefix ip1 = IpPrefix.valueOf(BYTES1);
+        IpPrefix ip1 = IpPrefix.valueOf(BYTES1, IpPrefix.MAX_INET_MASK_LENGTH);
-        IpPrefix ip2 = IpPrefix.valueOf(INTVAL1);
+        IpPrefix ip2 = IpPrefix.valueOf(INTVAL1, IpPrefix.MAX_INET_MASK_LENGTH);
-        IpPrefix ip3 = IpPrefix.valueOf(BYTES2);
+        IpPrefix ip3 = IpPrefix.valueOf(BYTES2, IpPrefix.MAX_INET_MASK_LENGTH);
-        IpPrefix ip4 = IpPrefix.valueOf(INTVAL2);
+        IpPrefix ip4 = IpPrefix.valueOf(INTVAL2, IpPrefix.MAX_INET_MASK_LENGTH);
         IpPrefix ip5 = IpPrefix.valueOf(STRVAL);
         new EqualsTester().addEqualityGroup(ip1, ip2)
@@ -49,21 +49,21 @@ public class IpPrefixTest {
         .testEquals();
         // string conversions
-        IpPrefix ip6 = IpPrefix.valueOf(BYTES1, MASK);
+        IpPrefix ip6 = IpPrefix.valueOf(BYTES1, MASK_LENGTH);
         IpPrefix ip7 = IpPrefix.valueOf("10.0.0.10/16");
-        IpPrefix ip8 = IpPrefix.valueOf(new byte [] {0xa, 0x0, 0x0, 0xc});
+        IpPrefix ip8 = IpPrefix.valueOf(new byte [] {0xa, 0x0, 0x0, 0xc}, 16);
         assertEquals("incorrect address conversion", ip6, ip7);
         assertEquals("incorrect address conversion", ip5, ip8);
     }
     @Test
     public void basics() {
-        IpPrefix ip1 = IpPrefix.valueOf(BYTES1, MASK);
+        IpPrefix ip1 = IpPrefix.valueOf(BYTES1, MASK_LENGTH);
         final byte [] bytes = new byte [] {0xa, 0x0, 0x0, 0xa};
         //check fields
         assertEquals("incorrect IP Version", Version.INET, ip1.version());
-        assertEquals("incorrect netmask", 16, ip1.netmask);
+        assertEquals("incorrect netmask", 16, ip1.prefixLength());
         assertTrue("faulty toOctets()", Arrays.equals(bytes, ip1.toOctets()));
         assertEquals("faulty toInt()", INTVAL1, ip1.toInt());
         assertEquals("faulty toString()", "10.0.0.10/16", ip1.toString());
@@ -72,7 +72,7 @@ public class IpPrefixTest {
     @Test
     public void netmasks() {
         // masked
-        IpPrefix ip1 = IpPrefix.valueOf(BYTES1, MASK);
+        IpPrefix ip1 = IpPrefix.valueOf(BYTES1, MASK_LENGTH);
         IpPrefix host = IpPrefix.valueOf("0.0.0.10/16");
         IpPrefix network = IpPrefix.valueOf("10.0.0.0/16");
@@ -80,14 +80,6 @@ public class IpPrefixTest {
         assertEquals("incorrect network address", network, ip1.network());
         assertEquals("incorrect netmask", "255.255.0.0", ip1.netmask().toString());
-        //unmasked
-        IpPrefix ip2 = IpPrefix.valueOf(BYTES1);
-        IpPrefix umhost = IpPrefix.valueOf("10.0.0.10/0");
-        IpPrefix umnet = IpPrefix.valueOf("0.0.0.0/0");
-        assertEquals("incorrect host address", umhost, ip2.host());
-        assertEquals("incorrect host address", umnet, ip2.network());
-        assertTrue("incorrect netmask",
-                Arrays.equals(IpPrefix.ANY, ip2.netmask().toOctets()));
     }
     @Test
--- a/utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
View file @3abb083
+++ b/utils/netty/src/main/java/org/onlab/netty/NettyMessagingService.java
View file @3abb083
@@ -20,6 +20,7 @@ import java.net.UnknownHostException;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicLong;
 import io.netty.bootstrap.Bootstrap;
@@ -27,6 +28,7 @@ import io.netty.bootstrap.ServerBootstrap;
 import io.netty.buffer.PooledByteBufAllocator;
 import io.netty.channel.Channel;
 import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelFutureListener;
 import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelInitializer;
@@ -49,6 +51,8 @@ import org.slf4j.LoggerFactory;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.RemovalListener;
+import com.google.common.cache.RemovalNotification;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.SettableFuture;
@@ -64,8 +68,13 @@ public class NettyMessagingService implements MessagingService {
     private final AtomicLong messageIdGenerator = new AtomicLong(0);
     private final Cache<Long, SettableFuture<byte[]>> responseFutures = CacheBuilder.newBuilder()
             .maximumSize(100000)
-            // TODO: Once the entry expires, notify blocking threads (if any).
+            .expireAfterWrite(10, TimeUnit.SECONDS)
-            .expireAfterWrite(10, TimeUnit.MINUTES)
+            .removalListener(new RemovalListener<Long, SettableFuture<byte[]>>() {
+                @Override
+                public void onRemoval(RemovalNotification<Long, SettableFuture<byte[]>> entry) {
+                    entry.getValue().setException(new TimeoutException("Timedout waiting for reply"));
+                }
+            })
             .build();
     private final GenericKeyedObjectPool<Endpoint, Channel> channels
             = new GenericKeyedObjectPool<Endpoint, Channel>(new OnosCommunicationChannelFactory());
@@ -153,9 +162,12 @@ public class NettyMessagingService implements MessagingService {
             } finally {
                 channels.returnObject(ep, channel);
             }
+        } catch (IOException e) {
+            throw e;
         } catch (Exception e) {
-            throw new IOException("Failed to send message to " + ep.toString(), e);
+            throw new IOException(e);
         }
+
     }
     @Override
@@ -172,7 +184,7 @@ public class NettyMessagingService implements MessagingService {
             .build();
         try {
             sendAsync(ep, message);
-        } catch (IOException e) {
+        } catch (Exception e) {
             responseFutures.invalidate(messageId);
             throw e;
         }
@@ -277,7 +289,7 @@ public class NettyMessagingService implements MessagingService {
         @Override
         public void run() {
-            channel.writeAndFlush(message, channel.voidPromise());
+            channel.writeAndFlush(message).addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
         }
     }