Examples with ReadObjectTranslator com.bonree.brfs.common.net.tcp.file.ReadObjectTranslator used on opensource projects

Example 1 with ReadObjectTranslator

use of com.bonree.brfs.common.net.tcp.file.ReadObjectTranslator in project BRFS by zhangnianli.

the class DataNodeBootStrap method start.

@Override
public void start() throws Exception {
    createRootDirIfNeeded(diskContext.getRootDir());
    RecordCollectionManager recorderManager = new RecordCollectionManager();
    writerManager = new FileWriterManager(recorderManager);
    writerManager.start();
    writerManager.rebuildFileWriterbyDir(diskContext.getRootDir());
    LOG.info("####################################come here###################################");
    FileFormater fileFormater = new SimpleFileFormater(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_FILE_MAX_CAPACITY));
    threadPool = Executors.newFixedThreadPool(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_REQUEST_HANDLER_NUM), new PooledThreadFactory("message_handler"));
    MessageChannelInitializer initializer = new MessageChannelInitializer(threadPool);
    initializer.addMessageHandler(TYPE_OPEN_FILE, new OpenFileMessageHandler(diskContext, writerManager));
    initializer.addMessageHandler(TYPE_WRITE_FILE, new WriteFileMessageHandler(diskContext, writerManager, fileFormater));
    initializer.addMessageHandler(TYPE_CLOSE_FILE, new CloseFileMessageHandler(diskContext, writerManager, fileFormater));
    initializer.addMessageHandler(TYPE_DELETE_FILE, new DeleteFileMessageHandler(diskContext, writerManager));
    initializer.addMessageHandler(TYPE_PING_PONG, new PingPongMessageHandler());
    initializer.addMessageHandler(TYPE_FLUSH_FILE, new FlushFileMessageHandler(diskContext, writerManager));
    initializer.addMessageHandler(TYPE_METADATA, new MetadataFetchMessageHandler(diskContext, writerManager, fileFormater));
    initializer.addMessageHandler(TYPE_LIST_FILE, new ListFileMessageHandler(diskContext));
    initializer.addMessageHandler(TYPE_RECOVER_FILE, new FileRecoveryMessageHandler(diskContext, serviceManager, writerManager, fileFormater, readerGroup));
    ServerConfig config = new ServerConfig();
    config.setBacklog(Integer.parseInt(System.getProperty(SystemProperties.PROP_NET_BACKLOG, "2048")));
    config.setBossThreadNums(1);
    config.setWorkerThreadNums(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_SERVER_IO_NUM));
    config.setPort(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_PORT));
    config.setHost(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_HOST));
    server = new TcpServer(config, initializer);
    server.start();
    ServerConfig fileServerConfig = new ServerConfig();
    fileServerConfig.setBacklog(Integer.parseInt(System.getProperty(SystemProperties.PROP_NET_BACKLOG, "2048")));
    fileServerConfig.setBossThreadNums(1);
    fileServerConfig.setWorkerThreadNums(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_FILE_READER_NUM));
    fileServerConfig.setPort(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_FILE_PORT));
    fileServerConfig.setHost(Configs.getConfiguration().GetConfig(DataNodeConfigs.CONFIG_HOST));
    FileChannelInitializer fileInitializer = new FileChannelInitializer(new ReadObjectTranslator() {

        @Override
        public long offset(long offset) {
            return fileFormater.absoluteOffset(offset);
        }

        @Override
        public int length(int length) {
            return length;
        }

        @Override
        public String filePath(String path) {
            return diskContext.getConcreteFilePath(path);
        }
    });
    fileServer = new TcpServer(fileServerConfig, fileInitializer);
    fileServer.start();
}