/** {@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();
}
}
/**
* 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();
}