Pavlin Radoslavov | 1eee2c8 | 2013-10-15 02:30:32 -0700 | [diff] [blame] | 1 | package net.onrc.onos.datagrid; |
| 2 | |
| 3 | import java.io.FileNotFoundException; |
| 4 | import java.util.ArrayList; |
| 5 | import java.util.Collection; |
| 6 | import java.util.HashMap; |
| 7 | import java.util.Map; |
| 8 | |
| 9 | import net.floodlightcontroller.core.IFloodlightProviderService; |
| 10 | import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| 11 | import net.floodlightcontroller.core.module.FloodlightModuleException; |
| 12 | import net.floodlightcontroller.core.module.IFloodlightModule; |
| 13 | import net.floodlightcontroller.core.module.IFloodlightService; |
| 14 | |
| 15 | import org.slf4j.Logger; |
| 16 | import org.slf4j.LoggerFactory; |
| 17 | |
| 18 | import com.hazelcast.config.Config; |
| 19 | import com.hazelcast.config.FileSystemXmlConfig; |
| 20 | import com.hazelcast.core.Hazelcast; |
| 21 | import com.hazelcast.core.HazelcastInstance; |
| 22 | import com.hazelcast.instance.GroupProperties; |
| 23 | |
| 24 | /** |
| 25 | * A datagrid service that uses Hazelcast as a datagrid. |
| 26 | * The relevant data is stored in the Hazelcast datagrid and shared as |
| 27 | * appropriate in a multi-node cluster. |
| 28 | */ |
| 29 | public class HazelcastDatagrid implements IFloodlightModule, IDatagridService { |
Pavlin Radoslavov | 27da753 | 2013-10-18 18:41:50 -0700 | [diff] [blame] | 30 | protected static Logger log = LoggerFactory.getLogger(HazelcastDatagrid.class); |
Pavlin Radoslavov | 1eee2c8 | 2013-10-15 02:30:32 -0700 | [diff] [blame] | 31 | protected IFloodlightProviderService floodlightProvider; |
| 32 | |
| 33 | protected static final String HazelcastConfigFile = "datagridConfig"; |
| 34 | private HazelcastInstance hazelcast = null; |
| 35 | private Config hazelcastConfig = null; |
| 36 | |
| 37 | /** |
| 38 | * Initialize the Hazelcast Datagrid operation. |
| 39 | * |
| 40 | * @param conf the configuration filename. |
| 41 | */ |
| 42 | public void init(String configFilename) { |
| 43 | /* |
| 44 | System.setProperty("hazelcast.socket.receive.buffer.size", "32"); |
| 45 | System.setProperty("hazelcast.socket.send.buffer.size", "32"); |
| 46 | */ |
| 47 | // System.setProperty("hazelcast.heartbeat.interval.seconds", "100"); |
| 48 | |
| 49 | // Init from configuration file |
| 50 | try { |
| 51 | hazelcastConfig = new FileSystemXmlConfig(configFilename); |
| 52 | } catch (FileNotFoundException e) { |
| 53 | log.error("Error opening Hazelcast XML configuration. File not found: " + configFilename, e); |
| 54 | } |
| 55 | /* |
| 56 | hazelcastConfig.setProperty(GroupProperties.PROP_IO_THREAD_COUNT, "1"); |
| 57 | hazelcastConfig.setProperty(GroupProperties.PROP_OPERATION_THREAD_COUNT, "1"); |
| 58 | hazelcastConfig.setProperty(GroupProperties.PROP_EVENT_THREAD_COUNT, "1"); |
| 59 | */ |
| 60 | // |
| 61 | hazelcastConfig.setProperty(GroupProperties.PROP_EVENT_QUEUE_CAPACITY, "4000000"); |
| 62 | hazelcastConfig.setProperty(GroupProperties.PROP_SOCKET_RECEIVE_BUFFER_SIZE, "4096"); |
| 63 | hazelcastConfig.setProperty(GroupProperties.PROP_SOCKET_SEND_BUFFER_SIZE, "4096"); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Shutdown the Hazelcast Datagrid operation. |
| 68 | */ |
| 69 | public void finalize() { |
| 70 | close(); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Shutdown the Hazelcast Datagrid operation. |
| 75 | */ |
| 76 | public void close() { |
| 77 | Hazelcast.shutdownAll(); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Get the collection of offered module services. |
| 82 | * |
| 83 | * @return the collection of offered module services. |
| 84 | */ |
| 85 | @Override |
| 86 | public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
| 87 | Collection<Class<? extends IFloodlightService>> l = |
| 88 | new ArrayList<Class<? extends IFloodlightService>>(); |
| 89 | l.add(IDatagridService.class); |
| 90 | return l; |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Get the collection of implemented services. |
| 95 | * |
| 96 | * @return the collection of implemented services. |
| 97 | */ |
| 98 | @Override |
| 99 | public Map<Class<? extends IFloodlightService>, IFloodlightService> |
| 100 | getServiceImpls() { |
| 101 | Map<Class<? extends IFloodlightService>, |
Pavlin Radoslavov | 27da753 | 2013-10-18 18:41:50 -0700 | [diff] [blame] | 102 | IFloodlightService> m = |
Pavlin Radoslavov | 1eee2c8 | 2013-10-15 02:30:32 -0700 | [diff] [blame] | 103 | new HashMap<Class<? extends IFloodlightService>, |
| 104 | IFloodlightService>(); |
| 105 | m.put(IDatagridService.class, this); |
| 106 | return m; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Get the collection of modules this module depends on. |
| 111 | * |
| 112 | * @return the collection of modules this module depends on. |
| 113 | */ |
| 114 | @Override |
| 115 | public Collection<Class<? extends IFloodlightService>> |
| 116 | getModuleDependencies() { |
| 117 | Collection<Class<? extends IFloodlightService>> l = |
| 118 | new ArrayList<Class<? extends IFloodlightService>>(); |
| 119 | l.add(IFloodlightProviderService.class); |
| 120 | return l; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Initialize the module. |
| 125 | * |
| 126 | * @param context the module context to use for the initialization. |
| 127 | */ |
| 128 | @Override |
| 129 | public void init(FloodlightModuleContext context) |
| 130 | throws FloodlightModuleException { |
| 131 | floodlightProvider = context.getServiceImpl(IFloodlightProviderService.class); |
| 132 | |
| 133 | // Get the configuration file name and configure the Datagrid |
| 134 | Map<String, String> configMap = context.getConfigParams(this); |
| 135 | String configFilename = configMap.get(HazelcastConfigFile); |
| 136 | this.init(configFilename); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Startup module operation. |
| 141 | * |
| 142 | * @param context the module context to use for the startup. |
| 143 | */ |
| 144 | @Override |
| 145 | public void startUp(FloodlightModuleContext context) { |
| 146 | hazelcast = Hazelcast.newHazelcastInstance(hazelcastConfig); |
| 147 | } |
| 148 | } |