/** {@inheritDoc} */
@Override
public Set<Long> call() throws IgniteCheckedException {
assert ignite != null;
if (log.isInfoEnabled())
log.info("Running GetAndIncrementJob on node: " + ignite.cluster().localNode().id());
IgniteAtomicSequence seq = ignite.atomicSequence(seqName, 0, true);
assert seq != null;
// Result set.
Set<Long> resSet = new HashSet<>();
// Get sequence value and try to put it result set.
for (int i = 0; i < retries; i++) {
long val = seq.getAndIncrement();
assert !resSet.contains(val) : "Element already in set : " + val;
resSet.add(val);
}
return resSet;
}
/** {@inheritDoc} */
@Override
protected Object executeJob(int gridSize, String type) {
log.info(">>> Starting new grid node [currGridSize=" + gridSize + ", arg=" + type + "]");
if (type == null) throw new IllegalArgumentException("Node type to start should be specified.");
IgniteConfiguration cfg = getConfig(type);
// Generate unique for this VM grid name.
String gridName = cfg.getGridName() + " (" + UUID.randomUUID() + ")";
// Update grid name (required to be unique).
cfg.setGridName(gridName);
// Start new node in current VM.
Ignite g = G.start(cfg);
log.info(
">>> Grid started [nodeId=" + g.cluster().localNode().id() + ", name='" + g.name() + "']");
return true;
}
/** {@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()
+ ']');
}
/**
* Log info message to loggers.
*
* @param msg Message text.
* @param loggers Loggers.
*/
private void info(String msg, IgniteLogger... loggers) {
for (IgniteLogger logger : loggers)
if (logger != null && logger.isInfoEnabled()) logger.info(msg);
}
