/** {@inheritDoc} */ @Override public void start() throws IgniteCheckedException { IpcSharedMemoryNativeLoader.load(log); pid = IpcSharedMemoryUtils.pid(); if (pid == -1) throw new IpcEndpointBindException("Failed to get PID of the current process."); if (size <= 0) throw new IpcEndpointBindException("Space size should be positive: " + size); String tokDirPath = this.tokDirPath; if (F.isEmpty(tokDirPath)) throw new IpcEndpointBindException("Token directory path is empty."); tokDirPath = tokDirPath + '/' + locNodeId.toString() + '-' + IpcSharedMemoryUtils.pid(); tokDir = U.resolveWorkDirectory(tokDirPath, false); if (port <= 0 || port >= 0xffff) throw new IpcEndpointBindException("Port value is illegal: " + port); try { srvSock = new ServerSocket(); // Always bind to loopback. srvSock.bind(new InetSocketAddress("127.0.0.1", port)); } catch (IOException e) { // Although empty socket constructor never throws exception, close it just in case. U.closeQuiet(srvSock); throw new IpcEndpointBindException( "Failed to bind shared memory IPC endpoint (is port already " + "in use?): " + port, e); } gcWorker = new GcWorker(gridName, "ipc-shmem-gc", log); new IgniteThread(gcWorker).start(); if (log.isInfoEnabled()) log.info( "IPC shared memory server endpoint started [port=" + port + ", tokDir=" + tokDir.getAbsolutePath() + ']'); }
public String UUID() { UUID id = UUID.randomUUID(); return id.toString(); }