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Posted to commits@ignite.apache.org by ak...@apache.org on 2015/03/05 10:06:31 UTC
[20/51] incubator-ignite git commit: IGNITE-386: Squashed changes.
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopChildProcessRunner.java
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diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopChildProcessRunner.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopChildProcessRunner.java
new file mode 100644
index 0000000..e95b8cb
--- /dev/null
+++ b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopChildProcessRunner.java
@@ -0,0 +1,440 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.taskexecutor.external.child;
+
+import org.apache.ignite.*;
+import org.apache.ignite.internal.*;
+import org.apache.ignite.internal.processors.hadoop.*;
+import org.apache.ignite.internal.processors.hadoop.message.*;
+import org.apache.ignite.internal.processors.hadoop.shuffle.*;
+import org.apache.ignite.internal.processors.hadoop.taskexecutor.*;
+import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.*;
+import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication.*;
+import org.apache.ignite.internal.util.future.*;
+import org.apache.ignite.internal.util.lang.*;
+import org.apache.ignite.internal.util.offheap.unsafe.*;
+import org.apache.ignite.internal.util.typedef.*;
+import org.apache.ignite.internal.util.typedef.internal.*;
+
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.*;
+
+import static org.apache.ignite.internal.processors.hadoop.HadoopTaskType.*;
+
+/**
+ * Hadoop process base.
+ */
+@SuppressWarnings("FieldAccessedSynchronizedAndUnsynchronized")
+public class HadoopChildProcessRunner {
+ /** Node process descriptor. */
+ private HadoopProcessDescriptor nodeDesc;
+
+ /** Message processing executor service. */
+ private ExecutorService msgExecSvc;
+
+ /** Task executor service. */
+ private HadoopExecutorService execSvc;
+
+ /** */
+ protected GridUnsafeMemory mem = new GridUnsafeMemory(0);
+
+ /** External communication. */
+ private HadoopExternalCommunication comm;
+
+ /** Logger. */
+ private IgniteLogger log;
+
+ /** Init guard. */
+ private final AtomicBoolean initGuard = new AtomicBoolean();
+
+ /** Start time. */
+ private long startTime;
+
+ /** Init future. */
+ private final GridFutureAdapterEx<?> initFut = new GridFutureAdapterEx<>();
+
+ /** Job instance. */
+ private HadoopJob job;
+
+ /** Number of uncompleted tasks. */
+ private final AtomicInteger pendingTasks = new AtomicInteger();
+
+ /** Shuffle job. */
+ private HadoopShuffleJob<HadoopProcessDescriptor> shuffleJob;
+
+ /** Concurrent mappers. */
+ private int concMappers;
+
+ /** Concurrent reducers. */
+ private int concReducers;
+
+ /**
+ * Starts child process runner.
+ */
+ public void start(HadoopExternalCommunication comm, HadoopProcessDescriptor nodeDesc,
+ ExecutorService msgExecSvc, IgniteLogger parentLog)
+ throws IgniteCheckedException {
+ this.comm = comm;
+ this.nodeDesc = nodeDesc;
+ this.msgExecSvc = msgExecSvc;
+
+ comm.setListener(new MessageListener());
+ log = parentLog.getLogger(HadoopChildProcessRunner.class);
+
+ startTime = U.currentTimeMillis();
+
+ // At this point node knows that this process has started.
+ comm.sendMessage(this.nodeDesc, new HadoopProcessStartedAck());
+ }
+
+ /**
+ * Initializes process for task execution.
+ *
+ * @param req Initialization request.
+ */
+ private void prepareProcess(HadoopPrepareForJobRequest req) {
+ if (initGuard.compareAndSet(false, true)) {
+ try {
+ if (log.isDebugEnabled())
+ log.debug("Initializing external hadoop task: " + req);
+
+ assert job == null;
+
+ job = req.jobInfo().createJob(req.jobId(), log);
+
+ job.initialize(true, nodeDesc.processId());
+
+ shuffleJob = new HadoopShuffleJob<>(comm.localProcessDescriptor(), log, job, mem,
+ req.totalReducerCount(), req.localReducers());
+
+ initializeExecutors(req);
+
+ if (log.isDebugEnabled())
+ log.debug("External process initialized [initWaitTime=" +
+ (U.currentTimeMillis() - startTime) + ']');
+
+ initFut.onDone(null, null);
+ }
+ catch (IgniteCheckedException e) {
+ U.error(log, "Failed to initialize process: " + req, e);
+
+ initFut.onDone(e);
+ }
+ }
+ else
+ log.warning("Duplicate initialize process request received (will ignore): " + req);
+ }
+
+ /**
+ * @param req Task execution request.
+ */
+ private void runTasks(final HadoopTaskExecutionRequest req) {
+ if (!initFut.isDone() && log.isDebugEnabled())
+ log.debug("Will wait for process initialization future completion: " + req);
+
+ initFut.listenAsync(new CI1<IgniteInternalFuture<?>>() {
+ @Override public void apply(IgniteInternalFuture<?> f) {
+ try {
+ // Make sure init was successful.
+ f.get();
+
+ boolean set = pendingTasks.compareAndSet(0, req.tasks().size());
+
+ assert set;
+
+ HadoopTaskInfo info = F.first(req.tasks());
+
+ assert info != null;
+
+ int size = info.type() == MAP ? concMappers : concReducers;
+
+// execSvc.setCorePoolSize(size);
+// execSvc.setMaximumPoolSize(size);
+
+ if (log.isDebugEnabled())
+ log.debug("Set executor service size for task type [type=" + info.type() +
+ ", size=" + size + ']');
+
+ for (HadoopTaskInfo taskInfo : req.tasks()) {
+ if (log.isDebugEnabled())
+ log.debug("Submitted task for external execution: " + taskInfo);
+
+ execSvc.submit(new HadoopRunnableTask(log, job, mem, taskInfo, nodeDesc.parentNodeId()) {
+ @Override protected void onTaskFinished(HadoopTaskStatus status) {
+ onTaskFinished0(this, status);
+ }
+
+ @Override protected HadoopTaskInput createInput(HadoopTaskContext ctx)
+ throws IgniteCheckedException {
+ return shuffleJob.input(ctx);
+ }
+
+ @Override protected HadoopTaskOutput createOutput(HadoopTaskContext ctx)
+ throws IgniteCheckedException {
+ return shuffleJob.output(ctx);
+ }
+ });
+ }
+ }
+ catch (IgniteCheckedException e) {
+ for (HadoopTaskInfo info : req.tasks())
+ notifyTaskFinished(info, new HadoopTaskStatus(HadoopTaskState.FAILED, e), false);
+ }
+ }
+ });
+ }
+
+ /**
+ * Creates executor services.
+ *
+ * @param req Init child process request.
+ */
+ private void initializeExecutors(HadoopPrepareForJobRequest req) {
+ int cpus = Runtime.getRuntime().availableProcessors();
+//
+// concMappers = get(req.jobInfo(), EXTERNAL_CONCURRENT_MAPPERS, cpus);
+// concReducers = get(req.jobInfo(), EXTERNAL_CONCURRENT_REDUCERS, cpus);
+
+ execSvc = new HadoopExecutorService(log, "", cpus * 2, 1024);
+ }
+
+ /**
+ * Updates external process map so that shuffle can proceed with sending messages to reducers.
+ *
+ * @param req Update request.
+ */
+ private void updateTasks(final HadoopJobInfoUpdateRequest req) {
+ initFut.listenAsync(new CI1<IgniteInternalFuture<?>>() {
+ @Override public void apply(IgniteInternalFuture<?> gridFut) {
+ assert initGuard.get();
+
+ assert req.jobId().equals(job.id());
+
+ if (req.reducersAddresses() != null) {
+ if (shuffleJob.initializeReduceAddresses(req.reducersAddresses())) {
+ shuffleJob.startSending("external",
+ new IgniteInClosure2X<HadoopProcessDescriptor, HadoopShuffleMessage>() {
+ @Override public void applyx(HadoopProcessDescriptor dest,
+ HadoopShuffleMessage msg) throws IgniteCheckedException {
+ comm.sendMessage(dest, msg);
+ }
+ });
+ }
+ }
+ }
+ });
+ }
+
+ /**
+ * Stops all executors and running tasks.
+ */
+ private void shutdown() {
+ if (execSvc != null)
+ execSvc.shutdown(5000);
+
+ if (msgExecSvc != null)
+ msgExecSvc.shutdownNow();
+
+ try {
+ job.dispose(true);
+ }
+ catch (IgniteCheckedException e) {
+ U.error(log, "Failed to dispose job.", e);
+ }
+ }
+
+ /**
+ * Notifies node about task finish.
+ *
+ * @param run Finished task runnable.
+ * @param status Task status.
+ */
+ private void onTaskFinished0(HadoopRunnableTask run, HadoopTaskStatus status) {
+ HadoopTaskInfo info = run.taskInfo();
+
+ int pendingTasks0 = pendingTasks.decrementAndGet();
+
+ if (log.isDebugEnabled())
+ log.debug("Hadoop task execution finished [info=" + info
+ + ", state=" + status.state() + ", waitTime=" + run.waitTime() + ", execTime=" + run.executionTime() +
+ ", pendingTasks=" + pendingTasks0 +
+ ", err=" + status.failCause() + ']');
+
+ assert info.type() == MAP || info.type() == REDUCE : "Only MAP or REDUCE tasks are supported.";
+
+ boolean flush = pendingTasks0 == 0 && info.type() == MAP;
+
+ notifyTaskFinished(info, status, flush);
+ }
+
+ /**
+ * @param taskInfo Finished task info.
+ * @param status Task status.
+ */
+ private void notifyTaskFinished(final HadoopTaskInfo taskInfo, final HadoopTaskStatus status,
+ boolean flush) {
+
+ final HadoopTaskState state = status.state();
+ final Throwable err = status.failCause();
+
+ if (!flush) {
+ try {
+ if (log.isDebugEnabled())
+ log.debug("Sending notification to parent node [taskInfo=" + taskInfo + ", state=" + state +
+ ", err=" + err + ']');
+
+ comm.sendMessage(nodeDesc, new HadoopTaskFinishedMessage(taskInfo, status));
+ }
+ catch (IgniteCheckedException e) {
+ log.error("Failed to send message to parent node (will terminate child process).", e);
+
+ shutdown();
+
+ terminate();
+ }
+ }
+ else {
+ if (log.isDebugEnabled())
+ log.debug("Flushing shuffle messages before sending last task completion notification [taskInfo=" +
+ taskInfo + ", state=" + state + ", err=" + err + ']');
+
+ final long start = U.currentTimeMillis();
+
+ try {
+ shuffleJob.flush().listenAsync(new CI1<IgniteInternalFuture<?>>() {
+ @Override public void apply(IgniteInternalFuture<?> f) {
+ long end = U.currentTimeMillis();
+
+ if (log.isDebugEnabled())
+ log.debug("Finished flushing shuffle messages [taskInfo=" + taskInfo +
+ ", flushTime=" + (end - start) + ']');
+
+ try {
+ // Check for errors on shuffle.
+ f.get();
+
+ notifyTaskFinished(taskInfo, status, false);
+ }
+ catch (IgniteCheckedException e) {
+ log.error("Failed to flush shuffle messages (will fail the task) [taskInfo=" + taskInfo +
+ ", state=" + state + ", err=" + err + ']', e);
+
+ notifyTaskFinished(taskInfo,
+ new HadoopTaskStatus(HadoopTaskState.FAILED, e), false);
+ }
+ }
+ });
+ }
+ catch (IgniteCheckedException e) {
+ log.error("Failed to flush shuffle messages (will fail the task) [taskInfo=" + taskInfo +
+ ", state=" + state + ", err=" + err + ']', e);
+
+ notifyTaskFinished(taskInfo, new HadoopTaskStatus(HadoopTaskState.FAILED, e), false);
+ }
+ }
+ }
+
+ /**
+ * Checks if message was received from parent node and prints warning if not.
+ *
+ * @param desc Sender process ID.
+ * @param msg Received message.
+ * @return {@code True} if received from parent node.
+ */
+ private boolean validateNodeMessage(HadoopProcessDescriptor desc, HadoopMessage msg) {
+ if (!nodeDesc.processId().equals(desc.processId())) {
+ log.warning("Received process control request from unknown process (will ignore) [desc=" + desc +
+ ", msg=" + msg + ']');
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Stops execution of this process.
+ */
+ private void terminate() {
+ System.exit(1);
+ }
+
+ /**
+ * Message listener.
+ */
+ private class MessageListener implements HadoopMessageListener {
+ /** {@inheritDoc} */
+ @Override public void onMessageReceived(final HadoopProcessDescriptor desc, final HadoopMessage msg) {
+ if (msg instanceof HadoopTaskExecutionRequest) {
+ if (validateNodeMessage(desc, msg))
+ runTasks((HadoopTaskExecutionRequest)msg);
+ }
+ else if (msg instanceof HadoopJobInfoUpdateRequest) {
+ if (validateNodeMessage(desc, msg))
+ updateTasks((HadoopJobInfoUpdateRequest)msg);
+ }
+ else if (msg instanceof HadoopPrepareForJobRequest) {
+ if (validateNodeMessage(desc, msg))
+ prepareProcess((HadoopPrepareForJobRequest)msg);
+ }
+ else if (msg instanceof HadoopShuffleMessage) {
+ if (log.isTraceEnabled())
+ log.trace("Received shuffle message [desc=" + desc + ", msg=" + msg + ']');
+
+ initFut.listenAsync(new CI1<IgniteInternalFuture<?>>() {
+ @Override public void apply(IgniteInternalFuture<?> f) {
+ try {
+ HadoopShuffleMessage m = (HadoopShuffleMessage)msg;
+
+ shuffleJob.onShuffleMessage(m);
+
+ comm.sendMessage(desc, new HadoopShuffleAck(m.id(), m.jobId()));
+ }
+ catch (IgniteCheckedException e) {
+ U.error(log, "Failed to process hadoop shuffle message [desc=" + desc + ", msg=" + msg + ']', e);
+ }
+ }
+ });
+ }
+ else if (msg instanceof HadoopShuffleAck) {
+ if (log.isTraceEnabled())
+ log.trace("Received shuffle ack [desc=" + desc + ", msg=" + msg + ']');
+
+ shuffleJob.onShuffleAck((HadoopShuffleAck)msg);
+ }
+ else
+ log.warning("Unknown message received (will ignore) [desc=" + desc + ", msg=" + msg + ']');
+ }
+
+ /** {@inheritDoc} */
+ @Override public void onConnectionLost(HadoopProcessDescriptor desc) {
+ if (log.isDebugEnabled())
+ log.debug("Lost connection with remote process: " + desc);
+
+ if (desc == null)
+ U.warn(log, "Handshake failed.");
+ else if (desc.processId().equals(nodeDesc.processId())) {
+ log.warning("Child process lost connection with parent node (will terminate child process).");
+
+ shutdown();
+
+ terminate();
+ }
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopExternalProcessStarter.java
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diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopExternalProcessStarter.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopExternalProcessStarter.java
new file mode 100644
index 0000000..3a94d43
--- /dev/null
+++ b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/child/HadoopExternalProcessStarter.java
@@ -0,0 +1,296 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.taskexecutor.external.child;
+
+import org.apache.ignite.*;
+import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.*;
+import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication.*;
+import org.apache.ignite.internal.util.typedef.internal.*;
+import org.apache.ignite.lang.*;
+import org.apache.ignite.logger.log4j.*;
+import org.apache.ignite.marshaller.optimized.*;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import java.util.concurrent.*;
+
+/**
+ * Hadoop external process base class.
+ */
+public class HadoopExternalProcessStarter {
+ /** Path to Log4j configuration file. */
+ public static final String DFLT_LOG4J_CONFIG = "config/ignite-log4j.xml";
+
+ /** Arguments. */
+ private Args args;
+
+ /** System out. */
+ private OutputStream out;
+
+ /** System err. */
+ private OutputStream err;
+
+ /**
+ * @param args Parsed arguments.
+ */
+ public HadoopExternalProcessStarter(Args args) {
+ this.args = args;
+ }
+
+ /**
+ * @param cmdArgs Process arguments.
+ */
+ public static void main(String[] cmdArgs) {
+ try {
+ Args args = arguments(cmdArgs);
+
+ new HadoopExternalProcessStarter(args).run();
+ }
+ catch (Exception e) {
+ System.err.println("Failed");
+
+ System.err.println(e.getMessage());
+
+ e.printStackTrace(System.err);
+ }
+ }
+
+ /**
+ *
+ * @throws Exception
+ */
+ public void run() throws Exception {
+ U.setWorkDirectory(args.workDir, U.getIgniteHome());
+
+ File outputDir = outputDirectory();
+
+ initializeStreams(outputDir);
+
+ ExecutorService msgExecSvc = Executors.newFixedThreadPool(
+ Integer.getInteger("MSG_THREAD_POOL_SIZE", Runtime.getRuntime().availableProcessors() * 2));
+
+ IgniteLogger log = logger(outputDir);
+
+ HadoopExternalCommunication comm = new HadoopExternalCommunication(
+ args.nodeId,
+ args.childProcId,
+ new OptimizedMarshaller(),
+ log,
+ msgExecSvc,
+ "external"
+ );
+
+ comm.start();
+
+ HadoopProcessDescriptor nodeDesc = new HadoopProcessDescriptor(args.nodeId, args.parentProcId);
+ nodeDesc.address(args.addr);
+ nodeDesc.tcpPort(args.tcpPort);
+ nodeDesc.sharedMemoryPort(args.shmemPort);
+
+ HadoopChildProcessRunner runner = new HadoopChildProcessRunner();
+
+ runner.start(comm, nodeDesc, msgExecSvc, log);
+
+ System.err.println("Started");
+ System.err.flush();
+
+ System.setOut(new PrintStream(out));
+ System.setErr(new PrintStream(err));
+ }
+
+ /**
+ * @param outputDir Directory for process output.
+ * @throws Exception
+ */
+ private void initializeStreams(File outputDir) throws Exception {
+ out = new FileOutputStream(new File(outputDir, args.childProcId + ".out"));
+ err = new FileOutputStream(new File(outputDir, args.childProcId + ".err"));
+ }
+
+ /**
+ * @return Path to output directory.
+ * @throws IOException If failed.
+ */
+ private File outputDirectory() throws IOException {
+ File f = new File(args.out);
+
+ if (!f.exists()) {
+ if (!f.mkdirs())
+ throw new IOException("Failed to create output directory: " + args.out);
+ }
+ else {
+ if (f.isFile())
+ throw new IOException("Output directory is a file: " + args.out);
+ }
+
+ return f;
+ }
+
+ /**
+ * @param outputDir Directory for process output.
+ * @return Logger.
+ */
+ private IgniteLogger logger(final File outputDir) {
+ final URL url = U.resolveIgniteUrl(DFLT_LOG4J_CONFIG);
+
+ Log4JLogger logger;
+
+ try {
+ logger = url != null ? new Log4JLogger(url) : new Log4JLogger(true);
+ }
+ catch (IgniteCheckedException e) {
+ System.err.println("Failed to create URL-based logger. Will use default one.");
+
+ e.printStackTrace();
+
+ logger = new Log4JLogger(true);
+ }
+
+ logger.updateFilePath(new IgniteClosure<String, String>() {
+ @Override public String apply(String s) {
+ return new File(outputDir, args.childProcId + ".log").getAbsolutePath();
+ }
+ });
+
+ return logger;
+ }
+
+ /**
+ * @param processArgs Process arguments.
+ * @return Child process instance.
+ */
+ private static Args arguments(String[] processArgs) throws Exception {
+ Args args = new Args();
+
+ for (int i = 0; i < processArgs.length; i++) {
+ String arg = processArgs[i];
+
+ switch (arg) {
+ case "-cpid": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing process ID for '-cpid' parameter");
+
+ String procIdStr = processArgs[++i];
+
+ args.childProcId = UUID.fromString(procIdStr);
+
+ break;
+ }
+
+ case "-ppid": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing process ID for '-ppid' parameter");
+
+ String procIdStr = processArgs[++i];
+
+ args.parentProcId = UUID.fromString(procIdStr);
+
+ break;
+ }
+
+ case "-nid": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing node ID for '-nid' parameter");
+
+ String nodeIdStr = processArgs[++i];
+
+ args.nodeId = UUID.fromString(nodeIdStr);
+
+ break;
+ }
+
+ case "-addr": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing node address for '-addr' parameter");
+
+ args.addr = processArgs[++i];
+
+ break;
+ }
+
+ case "-tport": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing tcp port for '-tport' parameter");
+
+ args.tcpPort = Integer.parseInt(processArgs[++i]);
+
+ break;
+ }
+
+ case "-sport": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing shared memory port for '-sport' parameter");
+
+ args.shmemPort = Integer.parseInt(processArgs[++i]);
+
+ break;
+ }
+
+ case "-out": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing output folder name for '-out' parameter");
+
+ args.out = processArgs[++i];
+
+ break;
+ }
+
+ case "-wd": {
+ if (i == processArgs.length - 1)
+ throw new Exception("Missing work folder name for '-wd' parameter");
+
+ args.workDir = processArgs[++i];
+
+ break;
+ }
+ }
+ }
+
+ return args;
+ }
+
+ /**
+ * Execution arguments.
+ */
+ private static class Args {
+ /** Process ID. */
+ private UUID childProcId;
+
+ /** Process ID. */
+ private UUID parentProcId;
+
+ /** Process ID. */
+ private UUID nodeId;
+
+ /** Node address. */
+ private String addr;
+
+ /** TCP port */
+ private int tcpPort;
+
+ /** Shmem port. */
+ private int shmemPort = -1;
+
+ /** Output folder. */
+ private String out;
+
+ /** Work directory. */
+ private String workDir;
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopAbstractCommunicationClient.java
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diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopAbstractCommunicationClient.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopAbstractCommunicationClient.java
deleted file mode 100644
index 5dee79b..0000000
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopAbstractCommunicationClient.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication;
-
-import org.apache.ignite.internal.util.typedef.internal.*;
-
-import java.util.concurrent.atomic.*;
-
-/**
- * Implements basic lifecycle for communication clients.
- */
-public abstract class GridHadoopAbstractCommunicationClient implements GridHadoopCommunicationClient {
- /** Time when this client was last used. */
- private volatile long lastUsed = U.currentTimeMillis();
-
- /** Reservations. */
- private final AtomicInteger reserves = new AtomicInteger();
-
- /** {@inheritDoc} */
- @Override public boolean close() {
- return reserves.compareAndSet(0, -1);
- }
-
- /** {@inheritDoc} */
- @Override public void forceClose() {
- reserves.set(-1);
- }
-
- /** {@inheritDoc} */
- @Override public boolean closed() {
- return reserves.get() == -1;
- }
-
- /** {@inheritDoc} */
- @Override public boolean reserve() {
- while (true) {
- int r = reserves.get();
-
- if (r == -1)
- return false;
-
- if (reserves.compareAndSet(r, r + 1))
- return true;
- }
- }
-
- /** {@inheritDoc} */
- @Override public void release() {
- while (true) {
- int r = reserves.get();
-
- if (r == -1)
- return;
-
- if (reserves.compareAndSet(r, r - 1))
- return;
- }
- }
-
- /** {@inheritDoc} */
- @Override public boolean reserved() {
- return reserves.get() > 0;
- }
-
- /** {@inheritDoc} */
- @Override public long getIdleTime() {
- return U.currentTimeMillis() - lastUsed;
- }
-
- /**
- * Updates used time.
- */
- protected void markUsed() {
- lastUsed = U.currentTimeMillis();
- }
-
- /** {@inheritDoc} */
- @Override public String toString() {
- return S.toString(GridHadoopAbstractCommunicationClient.class, this);
- }
-}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopCommunicationClient.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopCommunicationClient.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopCommunicationClient.java
deleted file mode 100644
index b375b55..0000000
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopCommunicationClient.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication;
-
-import org.apache.ignite.*;
-import org.apache.ignite.internal.processors.hadoop.message.*;
-import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.*;
-
-/**
- *
- */
-public interface GridHadoopCommunicationClient {
- /**
- * @return {@code True} if client has been closed by this call,
- * {@code false} if failed to close client (due to concurrent reservation or concurrent close).
- */
- public boolean close();
-
- /**
- * Forces client close.
- */
- public void forceClose();
-
- /**
- * @return {@code True} if client is closed;
- */
- public boolean closed();
-
- /**
- * @return {@code True} if client was reserved, {@code false} otherwise.
- */
- public boolean reserve();
-
- /**
- * Releases this client by decreasing reservations.
- */
- public void release();
-
- /**
- * @return {@code True} if client was reserved.
- */
- public boolean reserved();
-
- /**
- * Gets idle time of this client.
- *
- * @return Idle time of this client.
- */
- public long getIdleTime();
-
- /**
- * @param desc Process descriptor.
- * @param msg Message to send.
- * @throws IgniteCheckedException If failed.
- */
- public void sendMessage(GridHadoopProcessDescriptor desc, GridHadoopMessage msg) throws IgniteCheckedException;
-}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopExternalCommunication.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopExternalCommunication.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopExternalCommunication.java
deleted file mode 100644
index e3457a9..0000000
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopExternalCommunication.java
+++ /dev/null
@@ -1,1431 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication;
-
-import org.apache.ignite.*;
-import org.apache.ignite.internal.processors.hadoop.message.*;
-import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.*;
-import org.apache.ignite.internal.util.*;
-import org.apache.ignite.internal.util.ipc.*;
-import org.apache.ignite.internal.util.ipc.shmem.*;
-import org.apache.ignite.internal.util.nio.*;
-import org.apache.ignite.internal.util.typedef.*;
-import org.apache.ignite.internal.util.typedef.internal.*;
-import org.apache.ignite.internal.util.worker.*;
-import org.apache.ignite.marshaller.*;
-import org.apache.ignite.thread.*;
-import org.jdk8.backport.*;
-import org.jetbrains.annotations.*;
-
-import java.io.*;
-import java.net.*;
-import java.nio.*;
-import java.nio.channels.*;
-import java.util.*;
-import java.util.concurrent.*;
-
-/**
- * Hadoop external communication class.
- */
-public class GridHadoopExternalCommunication {
- /** IPC error message. */
- public static final String OUT_OF_RESOURCES_TCP_MSG = "Failed to allocate shared memory segment " +
- "(switching to TCP, may be slower).";
-
- /** Default port which node sets listener to (value is <tt>47100</tt>). */
- public static final int DFLT_PORT = 27100;
-
- /** Default connection timeout (value is <tt>1000</tt>ms). */
- public static final long DFLT_CONN_TIMEOUT = 1000;
-
- /** Default Maximum connection timeout (value is <tt>600,000</tt>ms). */
- public static final long DFLT_MAX_CONN_TIMEOUT = 10 * 60 * 1000;
-
- /** Default reconnect attempts count (value is <tt>10</tt>). */
- public static final int DFLT_RECONNECT_CNT = 10;
-
- /** Default message queue limit per connection (for incoming and outgoing . */
- public static final int DFLT_MSG_QUEUE_LIMIT = GridNioServer.DFLT_SEND_QUEUE_LIMIT;
-
- /**
- * Default count of selectors for TCP server equals to
- * {@code "Math.min(4, Runtime.getRuntime().availableProcessors())"}.
- */
- public static final int DFLT_SELECTORS_CNT = 1;
-
- /** Node ID meta for session. */
- private static final int PROCESS_META = GridNioSessionMetaKey.nextUniqueKey();
-
- /** Handshake timeout meta for session. */
- private static final int HANDSHAKE_FINISH_META = GridNioSessionMetaKey.nextUniqueKey();
-
- /** Message tracker meta for session. */
- private static final int TRACKER_META = GridNioSessionMetaKey.nextUniqueKey();
-
- /**
- * Default local port range (value is <tt>100</tt>).
- * See {@link #setLocalPortRange(int)} for details.
- */
- public static final int DFLT_PORT_RANGE = 100;
-
- /** Default value for {@code TCP_NODELAY} socket option (value is <tt>true</tt>). */
- public static final boolean DFLT_TCP_NODELAY = true;
-
- /** Server listener. */
- private final GridNioServerListener<GridHadoopMessage> srvLsnr =
- new GridNioServerListenerAdapter<GridHadoopMessage>() {
- @Override public void onConnected(GridNioSession ses) {
- GridHadoopProcessDescriptor desc = ses.meta(PROCESS_META);
-
- assert desc != null : "Received connected notification without finished handshake: " + ses;
- }
-
- /** {@inheritDoc} */
- @Override public void onDisconnected(GridNioSession ses, @Nullable Exception e) {
- if (log.isDebugEnabled())
- log.debug("Closed connection for session: " + ses);
-
- if (e != null)
- U.error(log, "Session disconnected due to exception: " + ses, e);
-
- GridHadoopProcessDescriptor desc = ses.meta(PROCESS_META);
-
- if (desc != null) {
- GridHadoopCommunicationClient rmv = clients.remove(desc.processId());
-
- if (rmv != null)
- rmv.forceClose();
- }
-
- GridHadoopMessageListener lsnr0 = lsnr;
-
- if (lsnr0 != null)
- // Notify listener about connection close.
- lsnr0.onConnectionLost(desc);
- }
-
- /** {@inheritDoc} */
- @Override public void onMessage(GridNioSession ses, GridHadoopMessage msg) {
- notifyListener(ses.<GridHadoopProcessDescriptor>meta(PROCESS_META), msg);
-
- if (msgQueueLimit > 0) {
- GridNioMessageTracker tracker = ses.meta(TRACKER_META);
-
- assert tracker != null : "Missing tracker for limited message queue: " + ses;
-
- tracker.run();
- }
- }
- };
-
- /** Logger. */
- private IgniteLogger log;
-
- /** Local process descriptor. */
- private GridHadoopProcessDescriptor locProcDesc;
-
- /** Marshaller. */
- private Marshaller marsh;
-
- /** Message notification executor service. */
- private ExecutorService execSvc;
-
- /** Grid name. */
- private String gridName;
-
- /** Complex variable that represents this node IP address. */
- private volatile InetAddress locHost;
-
- /** Local port which node uses. */
- private int locPort = DFLT_PORT;
-
- /** Local port range. */
- private int locPortRange = DFLT_PORT_RANGE;
-
- /** Local port which node uses to accept shared memory connections. */
- private int shmemPort = -1;
-
- /** Allocate direct buffer or heap buffer. */
- private boolean directBuf = true;
-
- /** Connect timeout. */
- private long connTimeout = DFLT_CONN_TIMEOUT;
-
- /** Maximum connect timeout. */
- private long maxConnTimeout = DFLT_MAX_CONN_TIMEOUT;
-
- /** Reconnect attempts count. */
- @SuppressWarnings({"FieldAccessedSynchronizedAndUnsynchronized"})
- private int reconCnt = DFLT_RECONNECT_CNT;
-
- /** Socket send buffer. */
- private int sockSndBuf;
-
- /** Socket receive buffer. */
- private int sockRcvBuf;
-
- /** Message queue limit. */
- private int msgQueueLimit = DFLT_MSG_QUEUE_LIMIT;
-
- /** NIO server. */
- private GridNioServer<GridHadoopMessage> nioSrvr;
-
- /** Shared memory server. */
- private IpcSharedMemoryServerEndpoint shmemSrv;
-
- /** {@code TCP_NODELAY} option value for created sockets. */
- private boolean tcpNoDelay = DFLT_TCP_NODELAY;
-
- /** Shared memory accept worker. */
- private ShmemAcceptWorker shmemAcceptWorker;
-
- /** Shared memory workers. */
- private final Collection<ShmemWorker> shmemWorkers = new ConcurrentLinkedDeque8<>();
-
- /** Clients. */
- private final ConcurrentMap<UUID, GridHadoopCommunicationClient> clients = GridConcurrentFactory.newMap();
-
- /** Message listener. */
- private volatile GridHadoopMessageListener lsnr;
-
- /** Bound port. */
- private int boundTcpPort = -1;
-
- /** Bound port for shared memory server. */
- private int boundTcpShmemPort = -1;
-
- /** Count of selectors to use in TCP server. */
- private int selectorsCnt = DFLT_SELECTORS_CNT;
-
- /** Local node ID message. */
- private ProcessHandshakeMessage locIdMsg;
-
- /** Locks. */
- private final GridKeyLock locks = new GridKeyLock();
-
- /**
- * @param parentNodeId Parent node ID.
- * @param procId Process ID.
- * @param marsh Marshaller to use.
- * @param log Logger.
- * @param execSvc Executor service for message notification.
- * @param gridName Grid name.
- */
- public GridHadoopExternalCommunication(
- UUID parentNodeId,
- UUID procId,
- Marshaller marsh,
- IgniteLogger log,
- ExecutorService execSvc,
- String gridName
- ) {
- locProcDesc = new GridHadoopProcessDescriptor(parentNodeId, procId);
-
- this.marsh = marsh;
- this.log = log.getLogger(GridHadoopExternalCommunication.class);
- this.execSvc = execSvc;
- this.gridName = gridName;
- }
-
- /**
- * Sets local port for socket binding.
- * <p>
- * If not provided, default value is {@link #DFLT_PORT}.
- *
- * @param locPort Port number.
- */
- public void setLocalPort(int locPort) {
- this.locPort = locPort;
- }
-
- /**
- * Gets local port for socket binding.
- *
- * @return Local port.
- */
- public int getLocalPort() {
- return locPort;
- }
-
- /**
- * Sets local port range for local host ports (value must greater than or equal to <tt>0</tt>).
- * If provided local port (see {@link #setLocalPort(int)}} is occupied,
- * implementation will try to increment the port number for as long as it is less than
- * initial value plus this range.
- * <p>
- * If port range value is <tt>0</tt>, then implementation will try bind only to the port provided by
- * {@link #setLocalPort(int)} method and fail if binding to this port did not succeed.
- * <p>
- * Local port range is very useful during development when more than one grid nodes need to run
- * on the same physical machine.
- * <p>
- * If not provided, default value is {@link #DFLT_PORT_RANGE}.
- *
- * @param locPortRange New local port range.
- */
- public void setLocalPortRange(int locPortRange) {
- this.locPortRange = locPortRange;
- }
-
- /**
- * @return Local port range.
- */
- public int getLocalPortRange() {
- return locPortRange;
- }
-
- /**
- * Sets local port to accept shared memory connections.
- * <p>
- * If set to {@code -1} shared memory communication will be disabled.
- * <p>
- * If not provided, shared memory is disabled.
- *
- * @param shmemPort Port number.
- */
- public void setSharedMemoryPort(int shmemPort) {
- this.shmemPort = shmemPort;
- }
-
- /**
- * Gets shared memory port to accept incoming connections.
- *
- * @return Shared memory port.
- */
- public int getSharedMemoryPort() {
- return shmemPort;
- }
-
- /**
- * Sets connect timeout used when establishing connection
- * with remote nodes.
- * <p>
- * {@code 0} is interpreted as infinite timeout.
- * <p>
- * If not provided, default value is {@link #DFLT_CONN_TIMEOUT}.
- *
- * @param connTimeout Connect timeout.
- */
- public void setConnectTimeout(long connTimeout) {
- this.connTimeout = connTimeout;
- }
-
- /**
- * @return Connection timeout.
- */
- public long getConnectTimeout() {
- return connTimeout;
- }
-
- /**
- * Sets maximum connect timeout. If handshake is not established within connect timeout,
- * then SPI tries to repeat handshake procedure with increased connect timeout.
- * Connect timeout can grow till maximum timeout value,
- * if maximum timeout value is reached then the handshake is considered as failed.
- * <p>
- * {@code 0} is interpreted as infinite timeout.
- * <p>
- * If not provided, default value is {@link #DFLT_MAX_CONN_TIMEOUT}.
- *
- * @param maxConnTimeout Maximum connect timeout.
- */
- public void setMaxConnectTimeout(long maxConnTimeout) {
- this.maxConnTimeout = maxConnTimeout;
- }
-
- /**
- * Gets maximum connection timeout.
- *
- * @return Maximum connection timeout.
- */
- public long getMaxConnectTimeout() {
- return maxConnTimeout;
- }
-
- /**
- * Sets maximum number of reconnect attempts used when establishing connection
- * with remote nodes.
- * <p>
- * If not provided, default value is {@link #DFLT_RECONNECT_CNT}.
- *
- * @param reconCnt Maximum number of reconnection attempts.
- */
- public void setReconnectCount(int reconCnt) {
- this.reconCnt = reconCnt;
- }
-
- /**
- * @return Reconnect count.
- */
- public int getReconnectCount() {
- return reconCnt;
- }
-
- /**
- * Sets flag to allocate direct or heap buffer in SPI.
- * If value is {@code true}, then SPI will use {@link ByteBuffer#allocateDirect(int)} call.
- * Otherwise, SPI will use {@link ByteBuffer#allocate(int)} call.
- * <p>
- * If not provided, default value is {@code true}.
- *
- * @param directBuf Flag indicates to allocate direct or heap buffer in SPI.
- */
- public void setDirectBuffer(boolean directBuf) {
- this.directBuf = directBuf;
- }
-
- /**
- * @return Direct buffer flag.
- */
- public boolean isDirectBuffer() {
- return directBuf;
- }
-
- /**
- * Sets the count of selectors te be used in TCP server.
- * <p/>
- * If not provided, default value is {@link #DFLT_SELECTORS_CNT}.
- *
- * @param selectorsCnt Selectors count.
- */
- public void setSelectorsCount(int selectorsCnt) {
- this.selectorsCnt = selectorsCnt;
- }
-
- /**
- * @return Number of selectors to use.
- */
- public int getSelectorsCount() {
- return selectorsCnt;
- }
-
- /**
- * Sets value for {@code TCP_NODELAY} socket option. Each
- * socket will be opened using provided value.
- * <p>
- * Setting this option to {@code true} disables Nagle's algorithm
- * for socket decreasing latency and delivery time for small messages.
- * <p>
- * For systems that work under heavy network load it is advisable to
- * set this value to {@code false}.
- * <p>
- * If not provided, default value is {@link #DFLT_TCP_NODELAY}.
- *
- * @param tcpNoDelay {@code True} to disable TCP delay.
- */
- public void setTcpNoDelay(boolean tcpNoDelay) {
- this.tcpNoDelay = tcpNoDelay;
- }
-
- /**
- * @return {@code TCP_NO_DELAY} flag.
- */
- public boolean isTcpNoDelay() {
- return tcpNoDelay;
- }
-
- /**
- * Sets receive buffer size for sockets created or accepted by this SPI.
- * <p>
- * If not provided, default is {@code 0} which leaves buffer unchanged after
- * socket creation (OS defaults).
- *
- * @param sockRcvBuf Socket receive buffer size.
- */
- public void setSocketReceiveBuffer(int sockRcvBuf) {
- this.sockRcvBuf = sockRcvBuf;
- }
-
- /**
- * @return Socket receive buffer size.
- */
- public int getSocketReceiveBuffer() {
- return sockRcvBuf;
- }
-
- /**
- * Sets send buffer size for sockets created or accepted by this SPI.
- * <p>
- * If not provided, default is {@code 0} which leaves the buffer unchanged
- * after socket creation (OS defaults).
- *
- * @param sockSndBuf Socket send buffer size.
- */
- public void setSocketSendBuffer(int sockSndBuf) {
- this.sockSndBuf = sockSndBuf;
- }
-
- /**
- * @return Socket send buffer size.
- */
- public int getSocketSendBuffer() {
- return sockSndBuf;
- }
-
- /**
- * Sets message queue limit for incoming and outgoing messages.
- * <p>
- * When set to positive number send queue is limited to the configured value.
- * {@code 0} disables the size limitations.
- * <p>
- * If not provided, default is {@link #DFLT_MSG_QUEUE_LIMIT}.
- *
- * @param msgQueueLimit Send queue size limit.
- */
- public void setMessageQueueLimit(int msgQueueLimit) {
- this.msgQueueLimit = msgQueueLimit;
- }
-
- /**
- * @return Message queue size limit.
- */
- public int getMessageQueueLimit() {
- return msgQueueLimit;
- }
-
- /**
- * Sets Hadoop communication message listener.
- *
- * @param lsnr Message listener.
- */
- public void setListener(GridHadoopMessageListener lsnr) {
- this.lsnr = lsnr;
- }
-
- /**
- * @return Outbound message queue size.
- */
- public int getOutboundMessagesQueueSize() {
- return nioSrvr.outboundMessagesQueueSize();
- }
-
- /**
- * Starts communication.
- *
- * @throws IgniteCheckedException If failed.
- */
- public void start() throws IgniteCheckedException {
- try {
- locHost = U.getLocalHost();
- }
- catch (IOException e) {
- throw new IgniteCheckedException("Failed to initialize local address.", e);
- }
-
- try {
- shmemSrv = resetShmemServer();
- }
- catch (IgniteCheckedException e) {
- U.warn(log, "Failed to start shared memory communication server.", e);
- }
-
- try {
- // This method potentially resets local port to the value
- // local node was bound to.
- nioSrvr = resetNioServer();
- }
- catch (IgniteCheckedException e) {
- throw new IgniteCheckedException("Failed to initialize TCP server: " + locHost, e);
- }
-
- locProcDesc.address(locHost.getHostAddress());
- locProcDesc.sharedMemoryPort(boundTcpShmemPort);
- locProcDesc.tcpPort(boundTcpPort);
-
- locIdMsg = new ProcessHandshakeMessage(locProcDesc);
-
- if (shmemSrv != null) {
- shmemAcceptWorker = new ShmemAcceptWorker(shmemSrv);
-
- new IgniteThread(shmemAcceptWorker).start();
- }
-
- nioSrvr.start();
- }
-
- /**
- * Gets local process descriptor.
- *
- * @return Local process descriptor.
- */
- public GridHadoopProcessDescriptor localProcessDescriptor() {
- return locProcDesc;
- }
-
- /**
- * Gets filters used by communication.
- *
- * @return Filters array.
- */
- private GridNioFilter[] filters() {
- return new GridNioFilter[] {
- new GridNioAsyncNotifyFilter(gridName, execSvc, log),
- new HandshakeAndBackpressureFilter(),
- new GridHadoopMarshallerFilter(marsh),
- new GridNioCodecFilter(new GridBufferedParser(directBuf, ByteOrder.nativeOrder()), log, false)
- };
- }
-
- /**
- * Recreates tpcSrvr socket instance.
- *
- * @return Server instance.
- * @throws IgniteCheckedException Thrown if it's not possible to create server.
- */
- private GridNioServer<GridHadoopMessage> resetNioServer() throws IgniteCheckedException {
- if (boundTcpPort >= 0)
- throw new IgniteCheckedException("Tcp NIO server was already created on port " + boundTcpPort);
-
- IgniteCheckedException lastEx = null;
-
- // If configured TCP port is busy, find first available in range.
- for (int port = locPort; port < locPort + locPortRange; port++) {
- try {
- GridNioServer<GridHadoopMessage> srvr =
- GridNioServer.<GridHadoopMessage>builder()
- .address(locHost)
- .port(port)
- .listener(srvLsnr)
- .logger(log.getLogger(GridNioServer.class))
- .selectorCount(selectorsCnt)
- .gridName(gridName)
- .tcpNoDelay(tcpNoDelay)
- .directBuffer(directBuf)
- .byteOrder(ByteOrder.nativeOrder())
- .socketSendBufferSize(sockSndBuf)
- .socketReceiveBufferSize(sockRcvBuf)
- .sendQueueLimit(msgQueueLimit)
- .directMode(false)
- .filters(filters())
- .build();
-
- boundTcpPort = port;
-
- // Ack Port the TCP server was bound to.
- if (log.isInfoEnabled())
- log.info("Successfully bound to TCP port [port=" + boundTcpPort +
- ", locHost=" + locHost + ']');
-
- return srvr;
- }
- 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 to any port within range [startPort=" + locPort +
- ", portRange=" + locPortRange + ", locHost=" + locHost + ']', lastEx);
- }
-
- /**
- * 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);
- }
-
- /**
- * Stops the server.
- *
- * @throws IgniteCheckedException
- */
- public void stop() throws IgniteCheckedException {
- // Stop TCP server.
- if (nioSrvr != null)
- nioSrvr.stop();
-
- U.cancel(shmemAcceptWorker);
- U.join(shmemAcceptWorker, log);
-
- U.cancel(shmemWorkers);
- U.join(shmemWorkers, log);
-
- shmemWorkers.clear();
-
- // Force closing on stop (safety).
- for (GridHadoopCommunicationClient client : clients.values())
- client.forceClose();
-
- // Clear resources.
- nioSrvr = null;
-
- boundTcpPort = -1;
- }
-
- /**
- * Sends message to Hadoop process.
- *
- * @param desc
- * @param msg
- * @throws IgniteCheckedException
- */
- public void sendMessage(GridHadoopProcessDescriptor desc, GridHadoopMessage msg) throws
- IgniteCheckedException {
- assert desc != null;
- assert msg != null;
-
- if (log.isTraceEnabled())
- log.trace("Sending message to Hadoop process [desc=" + desc + ", msg=" + msg + ']');
-
- GridHadoopCommunicationClient client = null;
-
- boolean closeOnRelease = true;
-
- try {
- client = reserveClient(desc);
-
- client.sendMessage(desc, msg);
-
- closeOnRelease = false;
- }
- finally {
- if (client != null) {
- if (closeOnRelease) {
- client.forceClose();
-
- clients.remove(desc.processId(), client);
- }
- else
- client.release();
- }
- }
- }
-
- /**
- * Returns existing or just created client to node.
- *
- * @param desc Node to which client should be open.
- * @return The existing or just created client.
- * @throws IgniteCheckedException Thrown if any exception occurs.
- */
- private GridHadoopCommunicationClient reserveClient(GridHadoopProcessDescriptor desc) throws IgniteCheckedException {
- assert desc != null;
-
- UUID procId = desc.processId();
-
- while (true) {
- GridHadoopCommunicationClient client = clients.get(procId);
-
- if (client == null) {
- if (log.isDebugEnabled())
- log.debug("Did not find client for remote process [locProcDesc=" + locProcDesc + ", desc=" +
- desc + ']');
-
- // Do not allow concurrent connects.
- Object sync = locks.lock(procId);
-
- try {
- client = clients.get(procId);
-
- if (client == null) {
- GridHadoopCommunicationClient old = clients.put(procId, client = createNioClient(desc));
-
- assert old == null;
- }
- }
- finally {
- locks.unlock(procId, sync);
- }
-
- assert client != null;
- }
-
- if (client.reserve())
- return client;
- else
- // Client has just been closed by idle worker. Help it and try again.
- clients.remove(procId, client);
- }
- }
-
- /**
- * @param desc Process descriptor.
- * @return Client.
- * @throws IgniteCheckedException If failed.
- */
- @Nullable protected GridHadoopCommunicationClient createNioClient(GridHadoopProcessDescriptor desc)
- throws IgniteCheckedException {
- assert desc != null;
-
- int shmemPort = desc.sharedMemoryPort();
-
- // If remote node has shared memory server enabled and has the same set of MACs
- // then we are likely to run on the same host and shared memory communication could be tried.
- if (shmemPort != -1 && locProcDesc.parentNodeId().equals(desc.parentNodeId())) {
- try {
- return createShmemClient(desc, shmemPort);
- }
- catch (IgniteCheckedException e) {
- if (e.hasCause(IpcOutOfSystemResourcesException.class))
- // Has cause or is itself the IpcOutOfSystemResourcesException.
- LT.warn(log, null, OUT_OF_RESOURCES_TCP_MSG);
- else if (log.isDebugEnabled())
- log.debug("Failed to establish shared memory connection with local hadoop process: " +
- desc);
- }
- }
-
- return createTcpClient(desc);
- }
-
- /**
- * @param desc Process descriptor.
- * @param port Port.
- * @return Client.
- * @throws IgniteCheckedException If failed.
- */
- @Nullable protected GridHadoopCommunicationClient createShmemClient(GridHadoopProcessDescriptor desc, int port)
- throws IgniteCheckedException {
- int attempt = 1;
-
- int connectAttempts = 1;
-
- long connTimeout0 = connTimeout;
-
- while (true) {
- IpcEndpoint clientEndpoint;
-
- try {
- clientEndpoint = new IpcSharedMemoryClientEndpoint(port, (int)connTimeout, log);
- }
- catch (IgniteCheckedException e) {
- // Reconnect for the second time, if connection is not established.
- if (connectAttempts < 2 && X.hasCause(e, ConnectException.class)) {
- connectAttempts++;
-
- continue;
- }
-
- throw e;
- }
-
- GridHadoopCommunicationClient client = null;
-
- try {
- ShmemWorker worker = new ShmemWorker(clientEndpoint, false);
-
- shmemWorkers.add(worker);
-
- GridNioSession ses = worker.session();
-
- HandshakeFinish fin = new HandshakeFinish();
-
- // We are in lock, it is safe to get session and attach
- ses.addMeta(HANDSHAKE_FINISH_META, fin);
-
- client = new GridHadoopTcpNioCommunicationClient(ses);
-
- new IgniteThread(worker).start();
-
- fin.await(connTimeout0);
- }
- catch (GridHadoopHandshakeTimeoutException e) {
- if (log.isDebugEnabled())
- log.debug("Handshake timed out (will retry with increased timeout) [timeout=" + connTimeout0 +
- ", err=" + e.getMessage() + ", client=" + client + ']');
-
- if (client != null)
- client.forceClose();
-
- if (attempt == reconCnt || connTimeout0 > maxConnTimeout) {
- if (log.isDebugEnabled())
- log.debug("Handshake timedout (will stop attempts to perform the handshake) " +
- "[timeout=" + connTimeout0 + ", maxConnTimeout=" + maxConnTimeout +
- ", attempt=" + attempt + ", reconCnt=" + reconCnt +
- ", err=" + e.getMessage() + ", client=" + client + ']');
-
- throw e;
- }
- else {
- attempt++;
-
- connTimeout0 *= 2;
-
- continue;
- }
- }
- catch (RuntimeException | Error e) {
- if (log.isDebugEnabled())
- log.debug(
- "Caught exception (will close client) [err=" + e.getMessage() + ", client=" + client + ']');
-
- if (client != null)
- client.forceClose();
-
- throw e;
- }
-
- return client;
- }
- }
-
- /**
- * Establish TCP connection to remote hadoop process and returns client.
- *
- * @param desc Process descriptor.
- * @return Client.
- * @throws IgniteCheckedException If failed.
- */
- protected GridHadoopCommunicationClient createTcpClient(GridHadoopProcessDescriptor desc) throws IgniteCheckedException {
- String addr = desc.address();
-
- int port = desc.tcpPort();
-
- if (log.isDebugEnabled())
- log.debug("Trying to connect to remote process [locProcDesc=" + locProcDesc + ", desc=" + desc + ']');
-
- boolean conn = false;
- GridHadoopTcpNioCommunicationClient client = null;
- IgniteCheckedException errs = null;
-
- int connectAttempts = 1;
-
- long connTimeout0 = connTimeout;
-
- int attempt = 1;
-
- while (!conn) { // Reconnection on handshake timeout.
- try {
- SocketChannel ch = SocketChannel.open();
-
- ch.configureBlocking(true);
-
- ch.socket().setTcpNoDelay(tcpNoDelay);
- ch.socket().setKeepAlive(true);
-
- if (sockRcvBuf > 0)
- ch.socket().setReceiveBufferSize(sockRcvBuf);
-
- if (sockSndBuf > 0)
- ch.socket().setSendBufferSize(sockSndBuf);
-
- ch.socket().connect(new InetSocketAddress(addr, port), (int)connTimeout);
-
- HandshakeFinish fin = new HandshakeFinish();
-
- GridNioSession ses = nioSrvr.createSession(ch, F.asMap(HANDSHAKE_FINISH_META, fin)).get();
-
- client = new GridHadoopTcpNioCommunicationClient(ses);
-
- if (log.isDebugEnabled())
- log.debug("Waiting for handshake finish for client: " + client);
-
- fin.await(connTimeout0);
-
- conn = true;
- }
- catch (GridHadoopHandshakeTimeoutException e) {
- if (client != null) {
- client.forceClose();
-
- client = null;
- }
-
- if (log.isDebugEnabled())
- log.debug(
- "Handshake timedout (will retry with increased timeout) [timeout=" + connTimeout0 +
- ", desc=" + desc + ", port=" + port + ", err=" + e + ']');
-
- if (attempt == reconCnt || connTimeout0 > maxConnTimeout) {
- if (log.isDebugEnabled())
- log.debug("Handshake timed out (will stop attempts to perform the handshake) " +
- "[timeout=" + connTimeout0 + ", maxConnTimeout=" + maxConnTimeout +
- ", attempt=" + attempt + ", reconCnt=" + reconCnt +
- ", err=" + e.getMessage() + ", addr=" + addr + ']');
-
- if (errs == null)
- errs = new IgniteCheckedException("Failed to connect to remote Hadoop process " +
- "(is process still running?) [desc=" + desc + ", addrs=" + addr + ']');
-
- errs.addSuppressed(e);
-
- break;
- }
- else {
- attempt++;
-
- connTimeout0 *= 2;
-
- // Continue loop.
- }
- }
- catch (Exception e) {
- if (client != null) {
- client.forceClose();
-
- client = null;
- }
-
- if (log.isDebugEnabled())
- log.debug("Client creation failed [addr=" + addr + ", port=" + port +
- ", err=" + e + ']');
-
- if (X.hasCause(e, SocketTimeoutException.class))
- LT.warn(log, null, "Connect timed out (consider increasing 'connTimeout' " +
- "configuration property) [addr=" + addr + ", port=" + port + ']');
-
- if (errs == null)
- errs = new IgniteCheckedException("Failed to connect to remote Hadoop process (is process still running?) " +
- "[desc=" + desc + ", addrs=" + addr + ']');
-
- errs.addSuppressed(e);
-
- // Reconnect for the second time, if connection is not established.
- if (connectAttempts < 2 &&
- (e instanceof ConnectException || X.hasCause(e, ConnectException.class))) {
- connectAttempts++;
-
- continue;
- }
-
- break;
- }
- }
-
- if (client == null) {
- assert errs != null;
-
- if (X.hasCause(errs, ConnectException.class))
- LT.warn(log, null, "Failed to connect to a remote Hadoop process (is process still running?). " +
- "Make sure operating system firewall is disabled on local and remote host) " +
- "[addrs=" + addr + ", port=" + port + ']');
-
- throw errs;
- }
-
- if (log.isDebugEnabled())
- log.debug("Created client: " + client);
-
- return client;
- }
-
- /**
- * @param desc Sender process descriptor.
- * @param msg Communication message.
- */
- protected void notifyListener(GridHadoopProcessDescriptor desc, GridHadoopMessage msg) {
- GridHadoopMessageListener lsnr = this.lsnr;
-
- if (lsnr != null)
- // Notify listener of a new message.
- lsnr.onMessageReceived(desc, msg);
- else if (log.isDebugEnabled())
- log.debug("Received communication message without any registered listeners (will ignore) " +
- "[senderProcDesc=" + desc + ", msg=" + msg + ']');
- }
-
- /** {@inheritDoc} */
- @Override public String toString() {
- return S.toString(GridHadoopExternalCommunication.class, this);
- }
-
- /**
- * This worker takes responsibility to shut the server down when stopping,
- * No other thread shall stop passed server.
- */
- private class ShmemAcceptWorker extends GridWorker {
- /** */
- private final IpcSharedMemoryServerEndpoint srv;
-
- /**
- * @param srv Server.
- */
- ShmemAcceptWorker(IpcSharedMemoryServerEndpoint srv) {
- super(gridName, "shmem-communication-acceptor", log);
-
- this.srv = srv;
- }
-
- /** {@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();
- }
- }
-
- /** {@inheritDoc} */
- @Override public void cancel() {
- super.cancel();
-
- srv.close();
- }
- }
-
- /**
- *
- */
- private class ShmemWorker extends GridWorker {
- /** */
- private final IpcEndpoint endpoint;
-
- /** Adapter. */
- private GridHadoopIpcToNioAdapter<GridHadoopMessage> adapter;
-
- /**
- * @param endpoint Endpoint.
- */
- private ShmemWorker(IpcEndpoint endpoint, boolean accepted) {
- super(gridName, "shmem-worker", log);
-
- this.endpoint = endpoint;
-
- adapter = new GridHadoopIpcToNioAdapter<>(
- GridHadoopExternalCommunication.this.log,
- endpoint,
- accepted,
- srvLsnr,
- filters());
- }
-
- /** {@inheritDoc} */
- @Override protected void body() throws InterruptedException {
- try {
- adapter.serve();
- }
- finally {
- shmemWorkers.remove(this);
-
- endpoint.close();
- }
- }
-
- /** {@inheritDoc} */
- @Override public void cancel() {
- super.cancel();
-
- endpoint.close();
- }
-
- /** @{@inheritDoc} */
- @Override protected void cleanup() {
- super.cleanup();
-
- endpoint.close();
- }
-
- /** @{@inheritDoc} */
- @Override public String toString() {
- return S.toString(ShmemWorker.class, this);
- }
-
- /**
- * @return NIO session for this worker.
- */
- public GridNioSession session() {
- return adapter.session();
- }
- }
-
- /**
- *
- */
- private static class HandshakeFinish {
- /** Await latch. */
- private CountDownLatch latch = new CountDownLatch(1);
-
- /**
- * Finishes handshake.
- */
- public void finish() {
- latch.countDown();
- }
-
- /**
- * @param time Time to wait.
- * @throws GridHadoopHandshakeTimeoutException If failed to wait.
- */
- public void await(long time) throws GridHadoopHandshakeTimeoutException {
- try {
- if (!latch.await(time, TimeUnit.MILLISECONDS))
- throw new GridHadoopHandshakeTimeoutException("Failed to wait for handshake to finish [timeout=" +
- time + ']');
- }
- catch (InterruptedException e) {
- Thread.currentThread().interrupt();
-
- throw new GridHadoopHandshakeTimeoutException("Failed to wait for handshake to finish (thread was " +
- "interrupted) [timeout=" + time + ']', e);
- }
- }
- }
-
- /**
- *
- */
- private class HandshakeAndBackpressureFilter extends GridNioFilterAdapter {
- /**
- * Assigns filter name to a filter.
- */
- protected HandshakeAndBackpressureFilter() {
- super("HadoopHandshakeFilter");
- }
-
- /** {@inheritDoc} */
- @Override public void onSessionOpened(final GridNioSession ses) throws IgniteCheckedException {
- if (ses.accepted()) {
- if (log.isDebugEnabled())
- log.debug("Accepted connection, initiating handshake: " + ses);
-
- // Server initiates handshake.
- ses.send(locIdMsg).listenAsync(new CI1<GridNioFuture<?>>() {
- @Override public void apply(GridNioFuture<?> fut) {
- try {
- // Make sure there were no errors.
- fut.get();
- }
- catch (IgniteCheckedException | IOException e) {
- log.warning("Failed to send handshake message, will close session: " + ses, e);
-
- ses.close();
- }
- }
- });
- }
- }
-
- /** {@inheritDoc} */
- @Override public void onSessionClosed(GridNioSession ses) throws IgniteCheckedException {
- proceedSessionClosed(ses);
- }
-
- /** {@inheritDoc} */
- @Override public void onExceptionCaught(GridNioSession ses, IgniteCheckedException ex) throws IgniteCheckedException {
- proceedExceptionCaught(ses, ex);
- }
-
- /** {@inheritDoc} */
- @Override public GridNioFuture<?> onSessionWrite(GridNioSession ses, Object msg) throws IgniteCheckedException {
- if (ses.meta(PROCESS_META) == null && !(msg instanceof ProcessHandshakeMessage))
- log.warning("Writing message before handshake has finished [ses=" + ses + ", msg=" + msg + ']');
-
- return proceedSessionWrite(ses, msg);
- }
-
- /** {@inheritDoc} */
- @Override public void onMessageReceived(GridNioSession ses, Object msg) throws IgniteCheckedException {
- GridHadoopProcessDescriptor desc = ses.meta(PROCESS_META);
-
- UUID rmtProcId = desc == null ? null : desc.processId();
-
- if (rmtProcId == null) {
- if (!(msg instanceof ProcessHandshakeMessage)) {
- log.warning("Invalid handshake message received, will close connection [ses=" + ses +
- ", msg=" + msg + ']');
-
- ses.close();
-
- return;
- }
-
- ProcessHandshakeMessage nId = (ProcessHandshakeMessage)msg;
-
- if (log.isDebugEnabled())
- log.debug("Received handshake message [ses=" + ses + ", msg=" + msg + ']');
-
- ses.addMeta(PROCESS_META, nId.processDescriptor());
-
- if (!ses.accepted())
- // Send handshake reply.
- ses.send(locIdMsg);
- else {
- //
- rmtProcId = nId.processDescriptor().processId();
-
- if (log.isDebugEnabled())
- log.debug("Finished handshake with remote client: " + ses);
-
- Object sync = locks.tryLock(rmtProcId);
-
- if (sync != null) {
- try {
- if (clients.get(rmtProcId) == null) {
- if (log.isDebugEnabled())
- log.debug("Will reuse session for descriptor: " + rmtProcId);
-
- // Handshake finished flag is true.
- clients.put(rmtProcId, new GridHadoopTcpNioCommunicationClient(ses));
- }
- else {
- if (log.isDebugEnabled())
- log.debug("Will not reuse client as another already exists [locProcDesc=" +
- locProcDesc + ", desc=" + desc + ']');
- }
- }
- finally {
- locks.unlock(rmtProcId, sync);
- }
- }
- else {
- if (log.isDebugEnabled())
- log.debug("Concurrent connection is being established, will not reuse client session [" +
- "locProcDesc=" + locProcDesc + ", desc=" + desc + ']');
- }
- }
-
- if (log.isDebugEnabled())
- log.debug("Handshake is finished for session [ses=" + ses + ", locProcDesc=" + locProcDesc + ']');
-
- HandshakeFinish to = ses.meta(HANDSHAKE_FINISH_META);
-
- if (to != null)
- to.finish();
-
- // Notify session opened (both parties).
- proceedSessionOpened(ses);
- }
- else {
- if (msgQueueLimit > 0) {
- GridNioMessageTracker tracker = ses.meta(TRACKER_META);
-
- if (tracker == null) {
- GridNioMessageTracker old = ses.addMeta(TRACKER_META, tracker =
- new GridNioMessageTracker(ses, msgQueueLimit));
-
- assert old == null;
- }
-
- tracker.onMessageReceived();
- }
-
- proceedMessageReceived(ses, msg);
- }
- }
-
- /** {@inheritDoc} */
- @Override public GridNioFuture<Boolean> onSessionClose(GridNioSession ses) throws IgniteCheckedException {
- return proceedSessionClose(ses);
- }
-
- /** {@inheritDoc} */
- @Override public void onSessionIdleTimeout(GridNioSession ses) throws IgniteCheckedException {
- proceedSessionIdleTimeout(ses);
- }
-
- /** {@inheritDoc} */
- @Override public void onSessionWriteTimeout(GridNioSession ses) throws IgniteCheckedException {
- proceedSessionWriteTimeout(ses);
- }
- }
-
- /**
- * Process ID message.
- */
- @SuppressWarnings("PublicInnerClass")
- public static class ProcessHandshakeMessage implements GridHadoopMessage {
- /** */
- private static final long serialVersionUID = 0L;
-
- /** Node ID. */
- private GridHadoopProcessDescriptor procDesc;
-
- /** */
- public ProcessHandshakeMessage() {
- // No-op.
- }
-
- /**
- * @param procDesc Process descriptor.
- */
- private ProcessHandshakeMessage(GridHadoopProcessDescriptor procDesc) {
- this.procDesc = procDesc;
- }
-
- /**
- * @return Process ID.
- */
- public GridHadoopProcessDescriptor processDescriptor() {
- return procDesc;
- }
-
- /** {@inheritDoc} */
- @Override public void writeExternal(ObjectOutput out) throws IOException {
- out.writeObject(procDesc);
- }
-
- /** {@inheritDoc} */
- @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
- procDesc = (GridHadoopProcessDescriptor)in.readObject();
- }
-
- /** {@inheritDoc} */
- @Override public String toString() {
- return S.toString(ProcessHandshakeMessage.class, this);
- }
- }
-}
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopHandshakeTimeoutException.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopHandshakeTimeoutException.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopHandshakeTimeoutException.java
deleted file mode 100644
index e001dc9..0000000
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/taskexecutor/external/communication/GridHadoopHandshakeTimeoutException.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.processors.hadoop.taskexecutor.external.communication;
-
-import org.apache.ignite.*;
-import org.jetbrains.annotations.*;
-
-/** Internal exception class for proper timeout handling. */
-class GridHadoopHandshakeTimeoutException extends IgniteCheckedException {
- /** */
- private static final long serialVersionUID = 0L;
-
- /**
- * @param msg Message.
- */
- GridHadoopHandshakeTimeoutException(String msg) {
- super(msg);
- }
-
- /**
- * @param msg Message.
- * @param cause Cause.
- */
- GridHadoopHandshakeTimeoutException(String msg, @Nullable Throwable cause) {
- super(msg, cause);
- }
-}