/** {@inheritDoc} */
    @Override
    protected void body() throws InterruptedException {
      try {
        while (!Thread.interrupted()) {
          ShmemWorker e = new ShmemWorker(srv.accept(), true);

          shmemWorkers.add(e);

          new IgniteThread(e).start();
        }
      } catch (IgniteCheckedException e) {
        if (!isCancelled()) U.error(log, "Shmem server failed.", e);
      } finally {
        srv.close();
      }
    }
Esempio n. 2
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  /**
   * Create server IPC endpoint.
   *
   * @param endpointCfg Endpoint configuration.
   * @param mgmt Management flag.
   * @return Server endpoint.
   * @throws IgniteCheckedException If failed.
   */
  private IpcServerEndpoint createEndpoint(IgfsIpcEndpointConfiguration endpointCfg, boolean mgmt)
      throws IgniteCheckedException {
    A.notNull(endpointCfg, "endpointCfg");

    IgfsIpcEndpointType typ = endpointCfg.getType();

    if (typ == null)
      throw new IgniteCheckedException("Failed to create server endpoint (type is not specified)");

    switch (typ) {
      case SHMEM:
        {
          IpcSharedMemoryServerEndpoint endpoint =
              new IpcSharedMemoryServerEndpoint(
                  igfsCtx.kernalContext().config().getWorkDirectory());

          endpoint.setPort(endpointCfg.getPort());
          endpoint.setSize(endpointCfg.getMemorySize());
          endpoint.setTokenDirectoryPath(endpointCfg.getTokenDirectoryPath());

          return endpoint;
        }
      case TCP:
        {
          IpcServerTcpEndpoint endpoint = new IpcServerTcpEndpoint();

          endpoint.setHost(endpointCfg.getHost());
          endpoint.setPort(endpointCfg.getPort());
          endpoint.setManagement(mgmt);

          return endpoint;
        }
      default:
        throw new IgniteCheckedException(
            "Failed to create server endpoint (type is unknown): " + typ);
    }
  }
  /**
   * Creates new shared memory communication server.
   *
   * @return Server.
   * @throws IgniteCheckedException If failed.
   */
  @Nullable
  private IpcSharedMemoryServerEndpoint resetShmemServer() throws IgniteCheckedException {
    if (boundTcpShmemPort >= 0)
      throw new IgniteCheckedException(
          "Shared memory server was already created on port " + boundTcpShmemPort);

    if (shmemPort == -1 || U.isWindows()) return null;

    IgniteCheckedException lastEx = null;

    // If configured TCP port is busy, find first available in range.
    for (int port = shmemPort; port < shmemPort + locPortRange; port++) {
      try {
        IpcSharedMemoryServerEndpoint srv =
            new IpcSharedMemoryServerEndpoint(
                log.getLogger(IpcSharedMemoryServerEndpoint.class),
                locProcDesc.processId(),
                gridName);

        srv.setPort(port);

        srv.omitOutOfResourcesWarning(true);

        srv.start();

        boundTcpShmemPort = port;

        // Ack Port the TCP server was bound to.
        if (log.isInfoEnabled())
          log.info(
              "Successfully bound shared memory communication to TCP port [port="
                  + boundTcpShmemPort
                  + ", locHost="
                  + locHost
                  + ']');

        return srv;
      } catch (IgniteCheckedException e) {
        lastEx = e;

        if (log.isDebugEnabled())
          log.debug(
              "Failed to bind to local port (will try next port within range) [port="
                  + port
                  + ", locHost="
                  + locHost
                  + ']');
      }
    }

    // If free port wasn't found.
    throw new IgniteCheckedException(
        "Failed to bind shared memory communication to any port within range [startPort="
            + locPort
            + ", portRange="
            + locPortRange
            + ", locHost="
            + locHost
            + ']',
        lastEx);
  }
    /** {@inheritDoc} */
    @Override
    public void cancel() {
      super.cancel();

      srv.close();
    }