/** * Resolves host for REST TCP server using grid configuration. * * @param cfg Grid configuration. * @return REST host. * @throws IOException If failed to resolve REST host. */ private InetAddress resolveRestTcpHost(GridConfiguration cfg) throws IOException { String host = cfg.getRestTcpHost(); if (host == null) host = cfg.getLocalHost(); return U.resolveLocalHost(host); }
/** {@inheritDoc} */ @SuppressWarnings("BusyWait") @Override public void start(final GridRestProtocolHandler hnd) throws GridException { assert hnd != null; GridConfiguration cfg = ctx.config(); GridNioServerListener<GridClientMessage> lsnr = new GridTcpRestNioListener(log, hnd); GridNioParser parser = new GridTcpRestParser(log); try { host = resolveRestTcpHost(cfg); SSLContext sslCtx = null; if (cfg.isRestTcpSslEnabled()) { GridSslContextFactory factory = cfg.getRestTcpSslContextFactory(); if (factory == null) // Thrown SSL exception instead of GridException for writing correct warning message into // log. throw new SSLException("SSL is enabled, but SSL context factory is not specified."); sslCtx = factory.createSslContext(); } int lastPort = cfg.getRestTcpPort() + cfg.getRestPortRange() - 1; for (port = cfg.getRestTcpPort(); port <= lastPort; port++) { if (startTcpServer(host, port, lsnr, parser, sslCtx, cfg)) { if (log.isInfoEnabled()) log.info(startInfo()); return; } } U.warn( log, "Failed to start TCP binary REST server (possibly all ports in range are in use) " + "[firstPort=" + cfg.getRestTcpPort() + ", lastPort=" + lastPort + ", host=" + host + ']'); } catch (SSLException e) { U.warn( log, "Failed to start " + name() + " protocol on port " + port + ": " + e.getMessage(), "Failed to start " + name() + " protocol on port " + port + ". Check if SSL context factory is " + "properly configured."); } catch (IOException e) { U.warn( log, "Failed to start " + name() + " protocol on port " + port + ": " + e.getMessage(), "Failed to start " + name() + " protocol on port " + port + ". " + "Check restTcpHost configuration property."); } }