Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 1 | /* |
| 2 | * To change this template, choose Tools | Templates |
| 3 | * and open the template in the editor. |
| 4 | */ |
Jonathan Hart | aa38097 | 2014-04-03 10:24:46 -0700 | [diff] [blame] | 5 | package net.onrc.onos.core.intent.runtime; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 6 | |
| 7 | import com.esotericsoftware.kryo.Kryo; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 8 | import com.esotericsoftware.kryo.io.Output; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 9 | |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 10 | import java.io.ByteArrayOutputStream; |
Nick Karanatsios | f933600 | 2014-02-24 11:26:58 -0800 | [diff] [blame] | 11 | import java.io.IOException; |
Nick Karanatsios | a880057 | 2014-02-25 01:12:06 -0800 | [diff] [blame] | 12 | import java.nio.ByteBuffer; |
| 13 | import java.util.Arrays; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 14 | import java.util.concurrent.atomic.AtomicLong; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 15 | |
Jonathan Hart | 6df9017 | 2014-04-03 10:13:11 -0700 | [diff] [blame] | 16 | import net.onrc.onos.core.datagrid.web.IntentResource; |
| 17 | import net.onrc.onos.core.datastore.DataStoreClient; |
| 18 | import net.onrc.onos.core.datastore.IKVTable; |
| 19 | import net.onrc.onos.core.datastore.ObjectExistsException; |
Jonathan Hart | aa38097 | 2014-04-03 10:24:46 -0700 | [diff] [blame] | 20 | import net.onrc.onos.core.intent.IntentOperationList; |
Jonathan Hart | deda0ba | 2014-04-03 11:14:12 -0700 | [diff] [blame] | 21 | import net.onrc.onos.core.registry.IControllerRegistryService; |
| 22 | import net.onrc.onos.core.registry.IdBlock; |
Jonathan Hart | 472062d | 2014-04-03 10:56:48 -0700 | [diff] [blame] | 23 | import net.onrc.onos.core.topology.INetworkGraphService; |
| 24 | import net.onrc.onos.core.topology.NetworkGraph; |
Jonathan Hart | 23701d1 | 2014-04-03 10:45:48 -0700 | [diff] [blame] | 25 | import net.onrc.onos.core.util.serializers.KryoFactory; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 26 | |
Nick Karanatsios | ed645df | 2014-02-20 23:22:29 -0800 | [diff] [blame] | 27 | import org.slf4j.Logger; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 28 | import org.slf4j.LoggerFactory; |
| 29 | |
| 30 | /** |
| 31 | * |
| 32 | * @author nickkaranatsios |
| 33 | */ |
| 34 | public class PersistIntent { |
Nick Karanatsios | ed645df | 2014-02-20 23:22:29 -0800 | [diff] [blame] | 35 | private final static Logger log = LoggerFactory.getLogger(IntentResource.class); |
Nick Karanatsios | f933600 | 2014-02-24 11:26:58 -0800 | [diff] [blame] | 36 | private long range = 10000L; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 37 | private final IControllerRegistryService controllerRegistry; |
| 38 | NetworkGraph graph = null; |
Nick Karanatsios | a880057 | 2014-02-25 01:12:06 -0800 | [diff] [blame] | 39 | private final static String intentJournal = "G:IntentJournal"; |
| 40 | private final static int valueStoreLimit = 1024 * 1024; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 41 | private IKVTable table; |
Nick Karanatsios | d1dfb92 | 2014-02-26 11:48:49 -0800 | [diff] [blame] | 42 | private Kryo kryo; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 43 | private ByteArrayOutputStream stream; |
| 44 | private Output output = null; |
| 45 | private AtomicLong nextId = null; |
| 46 | private long rangeEnd; |
| 47 | private IdBlock idBlock = null; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 48 | |
| 49 | |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 50 | public PersistIntent(final IControllerRegistryService controllerRegistry, INetworkGraphService ng) { |
| 51 | this.controllerRegistry = controllerRegistry; |
| 52 | this.graph = ng.getNetworkGraph(); |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 53 | table = DataStoreClient.getClient().getTable(intentJournal); |
Nick Karanatsios | ed645df | 2014-02-20 23:22:29 -0800 | [diff] [blame] | 54 | stream = new ByteArrayOutputStream(1024); |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 55 | output = new Output(stream); |
Nick Karanatsios | d1dfb92 | 2014-02-26 11:48:49 -0800 | [diff] [blame] | 56 | kryo = (new KryoFactory()).newKryo(); |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 57 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 58 | |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 59 | public long getKey() { |
| 60 | long key; |
| 61 | if (idBlock == null) { |
| 62 | key = getNextBlock(); |
| 63 | } else { |
| 64 | key = nextId.incrementAndGet(); |
| 65 | if (key >= rangeEnd) { |
| 66 | key = getNextBlock(); |
| 67 | } |
| 68 | } |
| 69 | return key; |
| 70 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 71 | |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 72 | private long getNextBlock() { |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 73 | // XXX This method is not thread safe, may lose allocated IdBlock |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 74 | idBlock = controllerRegistry.allocateUniqueIdBlock(range); |
| 75 | nextId = new AtomicLong(idBlock.getStart()); |
| 76 | rangeEnd = idBlock.getEnd(); |
| 77 | return nextId.get(); |
| 78 | } |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 79 | |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 80 | public boolean persistIfLeader(long key, IntentOperationList operations) { |
| 81 | boolean leader = true; |
| 82 | boolean ret = false; |
| 83 | // TODO call controllerRegistry.isClusterLeader() |
| 84 | if (leader) { |
| 85 | try { |
Nick Karanatsios | a880057 | 2014-02-25 01:12:06 -0800 | [diff] [blame] | 86 | // reserve key 10 entries for multi-write if size over 1MB |
| 87 | key *= 10; |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 88 | kryo.writeObject(output, operations); |
| 89 | output.close(); |
Nick Karanatsios | a880057 | 2014-02-25 01:12:06 -0800 | [diff] [blame] | 90 | ByteBuffer keyBytes = ByteBuffer.allocate(8).putLong(key); |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 91 | byte[] buffer = stream.toByteArray(); |
Nick Karanatsios | a880057 | 2014-02-25 01:12:06 -0800 | [diff] [blame] | 92 | int total = buffer.length; |
| 93 | if ((total >= valueStoreLimit )) { |
| 94 | int writeCount = total / valueStoreLimit; |
| 95 | int remainder = total % valueStoreLimit; |
| 96 | int upperIndex = 0; |
| 97 | for (int i = 0; i < writeCount; i++, key++) { |
| 98 | keyBytes.clear(); |
| 99 | keyBytes.putLong(key); |
| 100 | keyBytes.flip(); |
| 101 | upperIndex = (i * valueStoreLimit + valueStoreLimit) - 1; |
| 102 | log.debug("writing using indexes {}:{}", (i*valueStoreLimit) ,upperIndex); |
| 103 | table.create(keyBytes.array(), Arrays.copyOfRange(buffer, i * valueStoreLimit, upperIndex)); |
| 104 | } |
| 105 | if (remainder > 0) { |
| 106 | keyBytes.clear(); |
| 107 | keyBytes.putLong(key); |
| 108 | keyBytes.flip(); |
| 109 | log.debug("writing using indexes {}:{}" ,upperIndex ,total); |
| 110 | table.create(keyBytes.array(), Arrays.copyOfRange(buffer, upperIndex + 1, total - 1)); |
| 111 | } |
| 112 | } else { |
| 113 | keyBytes.flip(); |
| 114 | table.create(keyBytes.array(), buffer); |
| 115 | } |
Nick Karanatsios | f933600 | 2014-02-24 11:26:58 -0800 | [diff] [blame] | 116 | log.debug("key is {} value length is {}", key, buffer.length); |
| 117 | stream.reset(); |
| 118 | stream.close(); |
Nick Karanatsios | a1bad35 | 2014-02-22 14:16:34 -0800 | [diff] [blame] | 119 | log.debug("persist operations to ramcloud size of operations: {}", operations.size()); |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 120 | ret = true; |
Yuta HIGUCHI | 66ca1bf | 2014-03-12 18:34:09 -0700 | [diff] [blame] | 121 | } catch (ObjectExistsException ex) { |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 122 | log.warn("Failed to store intent journal with key " + key); |
Nick Karanatsios | f933600 | 2014-02-24 11:26:58 -0800 | [diff] [blame] | 123 | } catch (IOException ex) { |
| 124 | log.error("Failed to close the stream"); |
Nick Karanatsios | 8abe717 | 2014-02-19 20:31:48 -0800 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | return ret; |
| 128 | } |
| 129 | } |