/**
* Starts this server.
*
* @throws IgniteCheckedException If failed.
*/
public void start() throws IgniteCheckedException {
srvEndpoint = createEndpoint(endpointCfg, mgmt);
if (U.isWindows() && srvEndpoint instanceof IpcSharedMemoryServerEndpoint)
throw new IgniteCheckedException(
IpcSharedMemoryServerEndpoint.class.getSimpleName()
+ " should not be configured on Windows (configure "
+ IpcServerTcpEndpoint.class.getSimpleName()
+ ")");
if (srvEndpoint instanceof IpcServerTcpEndpoint) {
IpcServerTcpEndpoint srvEndpoint0 = (IpcServerTcpEndpoint) srvEndpoint;
srvEndpoint0.setManagement(mgmt);
if (srvEndpoint0.getHost() == null) {
if (mgmt) {
String locHostName = igfsCtx.kernalContext().config().getLocalHost();
try {
srvEndpoint0.setHost(U.resolveLocalHost(locHostName).getHostAddress());
} catch (IOException e) {
throw new IgniteCheckedException("Failed to resolve local host: " + locHostName, e);
}
} else
// Bind non-management endpoint to 127.0.0.1 by default.
srvEndpoint0.setHost("127.0.0.1");
}
}
igfsCtx.kernalContext().resource().injectGeneric(srvEndpoint);
srvEndpoint.start();
// IpcServerEndpoint.getPort contract states return -1 if there is no port to be registered.
if (srvEndpoint.getPort() >= 0)
igfsCtx
.kernalContext()
.ports()
.registerPort(srvEndpoint.getPort(), TCP, srvEndpoint.getClass());
hnd = new IgfsIpcHandler(igfsCtx, endpointCfg, mgmt);
// Start client accept worker.
acceptWorker = new AcceptWorker();
}
/**
* Checks if address can be reached using one argument InetAddress.isReachable() version or ping
* command if failed.
*
* @param addr Address to check.
* @param reachTimeout Timeout for the check.
* @return {@code True} if address is reachable.
*/
public static boolean reachableByPing(InetAddress addr, int reachTimeout) {
try {
if (addr.isReachable(reachTimeout)) return true;
String cmd = String.format("ping -%s 1 %s", U.isWindows() ? "n" : "c", addr.getHostAddress());
Process myProc = Runtime.getRuntime().exec(cmd);
myProc.waitFor();
return myProc.exitValue() == 0;
} catch (IOException ignore) {
return false;
} catch (InterruptedException ignored) {
Thread.currentThread().interrupt();
return false;
}
}
/**
* Run command in separated console.
*
* @param workFolder Work folder for command.
* @param args A string array containing the program and its arguments.
* @return Started process.
* @throws IOException If failed to start process.
*/
public static Process openInConsole(@Nullable File workFolder, String... args)
throws IOException {
String[] commands = args;
String cmd = F.concat(Arrays.asList(args), " ");
if (U.isWindows()) commands = F.asArray("cmd", "/c", String.format("start %s", cmd));
if (U.isMacOs())
commands =
F.asArray(
"osascript",
"-e",
String.format("tell application \"Terminal\" to do script \"%s\"", cmd));
if (U.isUnix()) commands = F.asArray("xterm", "-sl", "1024", "-geometry", "200x50", "-e", cmd);
ProcessBuilder pb = new ProcessBuilder(commands);
if (workFolder != null) pb.directory(workFolder);
return pb.start();
}
/**
* 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);
}
