tom | 43e836a | 2014-09-30 01:50:29 -0700 | [diff] [blame] | 1 | package org.onlab.onos.store.cluster.impl; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 2 | |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 3 | import de.javakaffee.kryoserializers.URISerializer; |
| 4 | import org.apache.felix.scr.annotations.Activate; |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 5 | import org.apache.felix.scr.annotations.Component; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 6 | import org.apache.felix.scr.annotations.Deactivate; |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 7 | import org.apache.felix.scr.annotations.Service; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 8 | import org.onlab.onos.cluster.ControllerNode; |
| 9 | import org.onlab.onos.cluster.DefaultControllerNode; |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 10 | import org.onlab.onos.cluster.NodeId; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 11 | import org.onlab.onos.net.ConnectPoint; |
| 12 | import org.onlab.onos.net.DefaultDevice; |
| 13 | import org.onlab.onos.net.DefaultLink; |
| 14 | import org.onlab.onos.net.DefaultPort; |
| 15 | import org.onlab.onos.net.Device; |
| 16 | import org.onlab.onos.net.DeviceId; |
| 17 | import org.onlab.onos.net.Element; |
| 18 | import org.onlab.onos.net.Link; |
| 19 | import org.onlab.onos.net.LinkKey; |
| 20 | import org.onlab.onos.net.MastershipRole; |
| 21 | import org.onlab.onos.net.Port; |
| 22 | import org.onlab.onos.net.PortNumber; |
| 23 | import org.onlab.onos.net.provider.ProviderId; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 24 | import org.onlab.onos.store.cluster.messaging.ClusterMessage; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 25 | import org.onlab.onos.store.cluster.messaging.EchoMessage; |
tom | 28e1fa2 | 2014-09-30 10:38:21 -0700 | [diff] [blame] | 26 | import org.onlab.onos.store.cluster.messaging.LeavingMemberMessage; |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 27 | import org.onlab.onos.store.cluster.messaging.HelloMessage; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 28 | import org.onlab.onos.store.cluster.messaging.MessageSubject; |
tom | 28e1fa2 | 2014-09-30 10:38:21 -0700 | [diff] [blame] | 29 | import org.onlab.onos.store.cluster.messaging.NewMemberMessage; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 30 | import org.onlab.onos.store.cluster.messaging.SerializationService; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 31 | import org.onlab.onos.store.serializers.ConnectPointSerializer; |
| 32 | import org.onlab.onos.store.serializers.DefaultLinkSerializer; |
| 33 | import org.onlab.onos.store.serializers.DefaultPortSerializer; |
| 34 | import org.onlab.onos.store.serializers.DeviceIdSerializer; |
| 35 | import org.onlab.onos.store.serializers.IpPrefixSerializer; |
| 36 | import org.onlab.onos.store.serializers.LinkKeySerializer; |
| 37 | import org.onlab.onos.store.serializers.NodeIdSerializer; |
| 38 | import org.onlab.onos.store.serializers.PortNumberSerializer; |
| 39 | import org.onlab.onos.store.serializers.ProviderIdSerializer; |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 40 | import org.onlab.packet.IpPrefix; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 41 | import org.onlab.util.KryoPool; |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 42 | import org.slf4j.Logger; |
| 43 | import org.slf4j.LoggerFactory; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 44 | |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 45 | import java.net.URI; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 46 | import java.nio.ByteBuffer; |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 47 | import java.util.ArrayList; |
| 48 | import java.util.HashMap; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 49 | |
| 50 | import static com.google.common.base.Preconditions.checkState; |
| 51 | |
| 52 | /** |
| 53 | * Factory for parsing messages sent between cluster members. |
| 54 | */ |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 55 | @Component(immediate = true) |
| 56 | @Service |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 57 | public class MessageSerializer implements SerializationService { |
| 58 | |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 59 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 60 | |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 61 | private static final int METADATA_LENGTH = 12; // 8 + 4 |
| 62 | private static final int LENGTH_OFFSET = 8; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 63 | |
| 64 | private static final long MARKER = 0xfeedcafebeaddeadL; |
| 65 | |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 66 | private KryoPool serializerPool; |
| 67 | |
| 68 | @Activate |
| 69 | public void activate() { |
| 70 | setupKryoPool(); |
| 71 | log.info("Started"); |
| 72 | } |
| 73 | |
| 74 | @Deactivate |
| 75 | public void deactivate() { |
| 76 | log.info("Stopped"); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Sets up the common serialzers pool. |
| 81 | */ |
| 82 | protected void setupKryoPool() { |
| 83 | // FIXME Slice out types used in common to separate pool/namespace. |
| 84 | serializerPool = KryoPool.newBuilder() |
| 85 | .register(ArrayList.class, |
| 86 | HashMap.class, |
| 87 | |
| 88 | ControllerNode.State.class, |
| 89 | Device.Type.class, |
| 90 | |
| 91 | DefaultControllerNode.class, |
| 92 | DefaultDevice.class, |
| 93 | MastershipRole.class, |
| 94 | Port.class, |
| 95 | Element.class, |
| 96 | |
| 97 | Link.Type.class, |
| 98 | |
| 99 | MessageSubject.class, |
| 100 | HelloMessage.class, |
tom | 28e1fa2 | 2014-09-30 10:38:21 -0700 | [diff] [blame] | 101 | NewMemberMessage.class, |
| 102 | LeavingMemberMessage.class, |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 103 | EchoMessage.class |
| 104 | ) |
| 105 | .register(IpPrefix.class, new IpPrefixSerializer()) |
| 106 | .register(URI.class, new URISerializer()) |
| 107 | .register(NodeId.class, new NodeIdSerializer()) |
| 108 | .register(ProviderId.class, new ProviderIdSerializer()) |
| 109 | .register(DeviceId.class, new DeviceIdSerializer()) |
| 110 | .register(PortNumber.class, new PortNumberSerializer()) |
| 111 | .register(DefaultPort.class, new DefaultPortSerializer()) |
| 112 | .register(LinkKey.class, new LinkKeySerializer()) |
| 113 | .register(ConnectPoint.class, new ConnectPointSerializer()) |
| 114 | .register(DefaultLink.class, new DefaultLinkSerializer()) |
| 115 | .build() |
| 116 | .populate(1); |
| 117 | } |
| 118 | |
| 119 | |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 120 | @Override |
| 121 | public ClusterMessage decode(ByteBuffer buffer) { |
| 122 | try { |
| 123 | // Do we have enough bytes to read the header? If not, bail. |
| 124 | if (buffer.remaining() < METADATA_LENGTH) { |
| 125 | return null; |
| 126 | } |
| 127 | |
| 128 | // Peek at the length and if we have enough to read the entire message |
| 129 | // go ahead, otherwise bail. |
| 130 | int length = buffer.getInt(buffer.position() + LENGTH_OFFSET); |
| 131 | if (buffer.remaining() < length) { |
| 132 | return null; |
| 133 | } |
| 134 | |
| 135 | // At this point, we have enough data to read a complete message. |
| 136 | long marker = buffer.getLong(); |
| 137 | checkState(marker == MARKER, "Incorrect message marker"); |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 138 | length = buffer.getInt(); |
| 139 | |
| 140 | // TODO: sanity checking for length |
| 141 | byte[] data = new byte[length - METADATA_LENGTH]; |
| 142 | buffer.get(data); |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 143 | return (ClusterMessage) serializerPool.deserialize(data); |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 144 | |
| 145 | } catch (Exception e) { |
| 146 | // TODO: recover from exceptions by forwarding stream to next marker |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 147 | log.warn("Unable to decode message due to: " + e); |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 148 | } |
| 149 | return null; |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public void encode(ClusterMessage message, ByteBuffer buffer) { |
| 154 | try { |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 155 | byte[] data = serializerPool.serialize(message); |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 156 | buffer.putLong(MARKER); |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 157 | buffer.putInt(data.length + METADATA_LENGTH); |
| 158 | buffer.put(data); |
| 159 | |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 160 | } catch (Exception e) { |
| 161 | // TODO: recover from exceptions by forwarding stream to next marker |
tom | 8158314 | 2014-09-30 01:40:29 -0700 | [diff] [blame] | 162 | log.warn("Unable to encode message due to: " + e); |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 163 | } |
| 164 | } |
| 165 | |
| 166 | } |