Yuta HIGUCHI | 1ef85c4 | 2014-01-29 17:23:21 -0800 | [diff] [blame] | 1 | package net.onrc.onos.datastore.topology; |
| 2 | |
| 3 | import java.nio.ByteBuffer; |
| 4 | import java.util.Arrays; |
| 5 | import java.util.Collection; |
| 6 | import java.util.Collections; |
| 7 | import java.util.HashMap; |
| 8 | import java.util.Map; |
| 9 | import java.util.Set; |
| 10 | import java.util.TreeSet; |
| 11 | |
| 12 | import org.slf4j.Logger; |
| 13 | import org.slf4j.LoggerFactory; |
| 14 | |
| 15 | import com.esotericsoftware.kryo.Kryo; |
| 16 | |
| 17 | import net.onrc.onos.datastore.RCObject; |
| 18 | import net.onrc.onos.datastore.RCTable; |
| 19 | import net.onrc.onos.datastore.topology.RCLink.STATUS; |
| 20 | import net.onrc.onos.datastore.utils.ByteArrayComparator; |
Yuta HIGUCHI | c9d06ef | 2014-01-31 15:55:12 -0800 | [diff] [blame^] | 21 | import net.onrc.onos.datastore.utils.ByteArrayUtil; |
Yuta HIGUCHI | 1ef85c4 | 2014-01-29 17:23:21 -0800 | [diff] [blame] | 22 | |
| 23 | public class RCDevice extends RCObject { |
| 24 | @SuppressWarnings("unused") |
| 25 | private static final Logger log = LoggerFactory.getLogger(RCDevice.class); |
| 26 | |
| 27 | private static final ThreadLocal<Kryo> deviceKryo = new ThreadLocal<Kryo>() { |
| 28 | @Override |
| 29 | protected Kryo initialValue() { |
| 30 | Kryo kryo = new Kryo(); |
| 31 | kryo.setRegistrationRequired(true); |
| 32 | kryo.setReferences(false); |
| 33 | kryo.register(byte[].class); |
| 34 | kryo.register(byte[][].class); |
| 35 | kryo.register(HashMap.class); |
| 36 | // TODO check if we should explicitly specify EnumSerializer |
| 37 | kryo.register(STATUS.class); |
| 38 | return kryo; |
| 39 | } |
| 40 | }; |
| 41 | |
| 42 | public static final String GLOBAL_DEVICE_TABLE_NAME = "G:Device"; |
| 43 | |
| 44 | // FIXME these should be Enum or some number, not String |
| 45 | private static final String PROP_MAC = "mac"; |
| 46 | private static final String PROP_PORT_IDS = "port-ids"; |
| 47 | |
| 48 | private final byte[] mac; |
| 49 | private TreeSet<byte[]> portIds; |
| 50 | transient private boolean isPortIdsModified; |
| 51 | |
| 52 | // Assuming mac is unique cluster-wide |
| 53 | public static byte[] getDeviceID(final byte[] mac) { |
| 54 | return ByteBuffer.allocate(2 + mac.length).putChar('D').put(mac) |
| 55 | .array(); |
| 56 | } |
| 57 | |
| 58 | public static byte[] getMacFromKey(byte[] key) { |
| 59 | ByteBuffer keyBuf = ByteBuffer.wrap(key); |
| 60 | if (keyBuf.getChar() != 'D') { |
| 61 | throw new IllegalArgumentException("Invalid Device key"); |
| 62 | } |
| 63 | byte[] mac = new byte[keyBuf.remaining()]; |
| 64 | keyBuf.get(mac); |
| 65 | return mac; |
| 66 | } |
| 67 | |
| 68 | public RCDevice(byte[] mac) { |
| 69 | super(RCTable.getTable(GLOBAL_DEVICE_TABLE_NAME), getDeviceID(mac)); |
| 70 | |
| 71 | this.mac = mac; |
| 72 | this.portIds = new TreeSet<>(ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| 73 | this.isPortIdsModified = true; |
| 74 | } |
| 75 | |
| 76 | public static RCDevice createFromKey(byte[] key) { |
| 77 | return new RCDevice(getMacFromKey(key)); |
| 78 | } |
| 79 | |
| 80 | public byte[] getMac() { |
| 81 | // TODO may need to clone() to be sure this object will be immutable. |
| 82 | return mac; |
| 83 | } |
| 84 | |
| 85 | public byte[] getId() { |
| 86 | return getKey(); |
| 87 | } |
| 88 | |
| 89 | public void addPortId(byte[] portId) { |
| 90 | // TODO: Should we copy portId, or reference is OK. |
| 91 | isPortIdsModified |= portIds.add(portId); |
| 92 | } |
| 93 | |
| 94 | public void removePortId(byte[] portId) { |
| 95 | isPortIdsModified |= portIds.remove(portId); |
| 96 | } |
| 97 | |
| 98 | public void emptyPortIds() { |
| 99 | portIds.clear(); |
| 100 | this.isPortIdsModified = true; |
| 101 | } |
| 102 | |
| 103 | public void addAllToPortIds(Collection<byte[]> portIds) { |
| 104 | // TODO: Should we copy portId, or reference is OK. |
| 105 | isPortIdsModified |= this.portIds.addAll(portIds); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * |
| 110 | * @return Unmodifiable Set view of all the PortIds; |
| 111 | */ |
| 112 | public Set<byte[]> getAllPortIds() { |
| 113 | return Collections.unmodifiableSet(portIds); |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public void serializeAndSetValue() { |
| 118 | Map<Object, Object> map = getObjectMap(); |
| 119 | |
| 120 | map.put(PROP_MAC, mac); |
| 121 | if (isPortIdsModified) { |
| 122 | byte[] portIdArray[] = new byte[portIds.size()][]; |
| 123 | map.put(PROP_PORT_IDS, portIds.toArray(portIdArray)); |
| 124 | isPortIdsModified = false; |
| 125 | } |
| 126 | |
| 127 | serializeAndSetValue(deviceKryo.get(), map); |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public Map<Object, Object> deserializeObjectFromValue() { |
| 132 | Map<Object, Object> map = deserializeObjectFromValue(deviceKryo.get()); |
| 133 | |
| 134 | if (this.portIds == null) { |
| 135 | this.portIds = new TreeSet<>( |
| 136 | ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| 137 | } |
| 138 | byte[] portIdArray[] = (byte[][]) map.get(PROP_PORT_IDS); |
| 139 | if (portIdArray != null) { |
| 140 | this.portIds.clear(); |
| 141 | this.portIds.addAll(Arrays.asList(portIdArray)); |
| 142 | isPortIdsModified = false; |
| 143 | } else { |
| 144 | // trigger write on next serialize |
| 145 | isPortIdsModified = true; |
| 146 | } |
| 147 | |
| 148 | return map; |
| 149 | } |
| 150 | |
Yuta HIGUCHI | c9d06ef | 2014-01-31 15:55:12 -0800 | [diff] [blame^] | 151 | @Override |
| 152 | public String toString() { |
| 153 | // TODO OUTPUT ALL? |
| 154 | return "[RCDevice " + ByteArrayUtil.toHexStringBuffer(mac, ":") + "]"; |
| 155 | } |
| 156 | |
Yuta HIGUCHI | 1ef85c4 | 2014-01-29 17:23:21 -0800 | [diff] [blame] | 157 | public static void main(String[] args) { |
| 158 | // TODO Auto-generated method stub |
| 159 | |
| 160 | } |
| 161 | |
| 162 | } |