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Posted to commits@ignite.apache.org by sb...@apache.org on 2015/07/17 21:00:27 UTC
incubator-ignite git commit: ignite-752: implemented connection check
message
Repository: incubator-ignite
Updated Branches:
refs/heads/ignite-752 6bb1875fd -> 347eb70c8
ignite-752: implemented connection check message
Project: http://git-wip-us.apache.org/repos/asf/incubator-ignite/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-ignite/commit/347eb70c
Tree: http://git-wip-us.apache.org/repos/asf/incubator-ignite/tree/347eb70c
Diff: http://git-wip-us.apache.org/repos/asf/incubator-ignite/diff/347eb70c
Branch: refs/heads/ignite-752
Commit: 347eb70c8d95b8922bc1a79a6dc9e791b56c9ba5
Parents: 6bb1875
Author: Denis Magda <dm...@gridgain.com>
Authored: Fri Jul 17 21:59:04 2015 +0300
Committer: Denis Magda <dm...@gridgain.com>
Committed: Fri Jul 17 21:59:04 2015 +0300
----------------------------------------------------------------------
.../ignite/spi/discovery/tcp/ServerImpl.java | 190 +++++++++++++++++--
.../spi/discovery/tcp/TcpDiscoveryImpl.java | 10 +
.../spi/discovery/tcp/TcpDiscoverySpi.java | 40 +++-
.../tcp/internal/TcpDiscoveryNode.java | 19 ++
.../TcpDiscoveryConnectionCheckMessage.java | 45 +++++
5 files changed, 291 insertions(+), 13 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/347eb70c/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
index 3a50c31..74c7dbd 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
@@ -88,6 +88,9 @@ class ServerImpl extends TcpDiscoveryImpl {
@SuppressWarnings("FieldAccessedSynchronizedAndUnsynchronized")
private CheckStatusSender chkStatusSnd;
+ /** Connection checker. */
+ private CheckConnectionWorker chkConnWorker;
+
/** IP finder cleaner. */
@SuppressWarnings("FieldAccessedSynchronizedAndUnsynchronized")
private IpFinderCleaner ipFinderCleaner;
@@ -232,8 +235,14 @@ class ServerImpl extends TcpDiscoveryImpl {
hbsSnd = new HeartbeatsSender();
hbsSnd.start();
- chkStatusSnd = new CheckStatusSender();
- chkStatusSnd.start();
+ if (spi.failureDetectionThresholdEnabled()) {
+ chkConnWorker = new CheckConnectionWorker();
+ chkConnWorker.start();
+ }
+ else {
+ chkStatusSnd = new CheckStatusSender();
+ chkStatusSnd.start();
+ }
if (spi.ipFinder.isShared()) {
ipFinderCleaner = new IpFinderCleaner();
@@ -323,8 +332,14 @@ class ServerImpl extends TcpDiscoveryImpl {
U.interrupt(hbsSnd);
U.join(hbsSnd, log);
- U.interrupt(chkStatusSnd);
- U.join(chkStatusSnd, log);
+ if (spi.failureDetectionThresholdEnabled()) {
+ U.interrupt(chkConnWorker);
+ U.join(chkConnWorker, log);
+ }
+ else {
+ U.interrupt(chkStatusSnd);
+ U.join(chkStatusSnd, log);
+ }
U.interrupt(ipFinderCleaner);
U.join(ipFinderCleaner, log);
@@ -619,6 +634,14 @@ class ServerImpl extends TcpDiscoveryImpl {
}
}
+ /** {@inheritDoc} */
+ @Override protected void onDataRead() {
+ if (spi.failureDetectionThresholdEnabled()) {
+ locNode.lastDataReceivedTime(U.currentTimeMillis());
+ chkConnWorker.reset();
+ }
+ }
+
/**
* Tries to join this node to topology.
*
@@ -1287,8 +1310,14 @@ class ServerImpl extends TcpDiscoveryImpl {
U.interrupt(hbsSnd);
U.join(hbsSnd, log);
- U.interrupt(chkStatusSnd);
- U.join(chkStatusSnd, log);
+ if (spi.failureDetectionThresholdEnabled()) {
+ U.interrupt(chkConnWorker);
+ U.join(chkConnWorker, log);
+ }
+ else {
+ U.interrupt(chkStatusSnd);
+ U.join(chkStatusSnd, log);
+ }
U.interrupt(ipFinderCleaner);
U.join(ipFinderCleaner, log);
@@ -1378,7 +1407,12 @@ class ServerImpl extends TcpDiscoveryImpl {
b.append("Internal threads: ").append(U.nl());
b.append(" Message worker: ").append(threadStatus(msgWorker)).append(U.nl());
- b.append(" Check status sender: ").append(threadStatus(chkStatusSnd)).append(U.nl());
+
+ if (spi.failureDetectionThresholdEnabled())
+ b.append(" Check connectino worker: ").append(threadStatus(chkConnWorker)).append(U.nl());
+ else
+ b.append(" Check status sender: ").append(threadStatus(chkStatusSnd)).append(U.nl());
+
b.append(" HB sender: ").append(threadStatus(hbsSnd)).append(U.nl());
b.append(" IP finder cleaner: ").append(threadStatus(ipFinderCleaner)).append(U.nl());
b.append(" Stats printer: ").append(threadStatus(statsPrinter)).append(U.nl());
@@ -1426,7 +1460,8 @@ class ServerImpl extends TcpDiscoveryImpl {
private boolean recordable(TcpDiscoveryAbstractMessage msg) {
return !(msg instanceof TcpDiscoveryHeartbeatMessage) &&
!(msg instanceof TcpDiscoveryStatusCheckMessage) &&
- !(msg instanceof TcpDiscoveryDiscardMessage);
+ !(msg instanceof TcpDiscoveryDiscardMessage) &&
+ !(msg instanceof TcpDiscoveryConnectionCheckMessage);
}
/**
@@ -1568,6 +1603,82 @@ class ServerImpl extends TcpDiscoveryImpl {
}
/**
+ * TODO: IGNITE-752
+ */
+ private class CheckConnectionWorker extends IgniteSpiThread {
+ /** */
+ private volatile boolean msgInQueue;
+
+ /** */
+ private volatile boolean logMsgPrinted;
+
+ /**
+ * Constructor
+ */
+ public CheckConnectionWorker() {
+ super(spi.ignite().name(), "tcp-disco-conn-check-worker", log);
+
+ setPriority(spi.threadPri);
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void body() throws InterruptedException {
+ if (log.isDebugEnabled())
+ log.debug("Connection check worker has been started.");
+
+ while (!isInterrupted()) {
+ if (spiStateCopy() != CONNECTED) {
+ if (log.isDebugEnabled())
+ log.debug("Stopping connection check worker (SPI is not connected to topology).");
+
+ return;
+ }
+
+ if (U.currentTimeMillis() - locNode.lastDataReceivedTime() >= spi.failureDetectionThreshold() &&
+ ring.hasRemoteNodes() && spiStateCopy() == CONNECTED) {
+
+ if (!logMsgPrinted) {
+ log.info("Local node seems to be disconnected from topology (failure detection threshold " +
+ "is reached): [failureDetectionThreshold=" + spi.failureDetectionThreshold() +
+ ", connCheckFreq=" + spi.connCheckFreq + ']');
+
+ logMsgPrinted = true;
+ }
+ }
+
+ if (msgInQueue) {
+ Thread.sleep(spi.connCheckFreq);
+
+ continue;
+ }
+
+ if (ring.hasRemoteNodes()) {
+ // Send the message using ring message worker in order to reuse an existed socket to the next node.
+ msgInQueue = true;
+
+ msgWorker.addMessage(new TcpDiscoveryConnectionCheckMessage(locNode));
+ }
+
+ Thread.sleep(spi.connCheckFreq);
+ }
+ }
+
+ /**
+ * TODO: IGNITE-752
+ */
+ private void reset() {
+ logMsgPrinted = false;
+ }
+
+ /**
+ * TODO: IGNITE-752
+ */
+ private void messageProcessed() {
+ msgInQueue = false;
+ }
+ }
+
+ /**
* Thread that cleans IP finder and keeps it in the correct state, unregistering
* addresses of the nodes that has left the topology.
* <p>
@@ -1910,6 +2021,9 @@ class ServerImpl extends TcpDiscoveryImpl {
if (msg instanceof TcpDiscoveryJoinRequestMessage)
processJoinRequestMessage((TcpDiscoveryJoinRequestMessage)msg);
+ else if (msg instanceof TcpDiscoveryConnectionCheckMessage)
+ processConnectionCheckMessage((TcpDiscoveryConnectionCheckMessage)msg);
+
else if (msg instanceof TcpDiscoveryClientReconnectMessage)
processClientReconnectMessage((TcpDiscoveryClientReconnectMessage)msg);
@@ -1956,9 +2070,10 @@ class ServerImpl extends TcpDiscoveryImpl {
* Sends message across the ring.
*
* @param msg Message to send
+ * @return Response code.
*/
@SuppressWarnings({"BreakStatementWithLabel", "LabeledStatement", "ContinueStatementWithLabel"})
- private void sendMessageAcrossRing(TcpDiscoveryAbstractMessage msg) {
+ private int sendMessageAcrossRing(TcpDiscoveryAbstractMessage msg) {
assert msg != null;
assert ring.hasRemoteNodes();
@@ -2007,6 +2122,8 @@ class ServerImpl extends TcpDiscoveryImpl {
UUID locNodeId = getLocalNodeId();
+ int msgRes = RES_FAIL;
+
while (true) {
if (searchNext) {
TcpDiscoveryNode newNext = ring.nextNode(failedNodes);
@@ -2272,6 +2389,16 @@ class ServerImpl extends TcpDiscoveryImpl {
}
}
+ if (msg instanceof TcpDiscoveryConnectionCheckMessage && next.version().greaterThanEqual(
+ TcpDiscoverySpi.FAILURE_DETECTION_MAJOR_VER,
+ TcpDiscoverySpi.FAILURE_DETECTION_MINOR_VER,
+ TcpDiscoverySpi.FAILURE_DETECTION_MAINT_VER)) {
+ // Preserve backward compatibility with nodes of older versions.
+ assert msg.creatorNodeId().equals(getLocalNodeId());
+
+ msg = new TcpDiscoveryStatusCheckMessage(locNode, null);
+ }
+
prepareNodeAddedMessage(msg, next.id(), pendingMsgs.msgs, pendingMsgs.discardId);
try {
@@ -2284,17 +2411,17 @@ class ServerImpl extends TcpDiscoveryImpl {
spi.stats.onMessageSent(msg, U.currentTimeMillis() - tstamp);
- int res = spi.readReceipt(sock, timeoutCtrl.nextTimeoutChunk(ackTimeout0));
+ msgRes = spi.readReceipt(sock, timeoutCtrl.nextTimeoutChunk(ackTimeout0));
if (log.isDebugEnabled())
log.debug("Message has been sent to next node [msg=" + msg +
", next=" + next.id() +
- ", res=" + res + ']');
+ ", res=" + msgRes + ']');
if (debugMode)
debugLog("Message has been sent to next node [msg=" + msg +
", next=" + next.id() +
- ", res=" + res + ']');
+ ", res=" + msgRes + ']');
}
finally {
clearNodeAddedMessage(msg);
@@ -2421,6 +2548,8 @@ class ServerImpl extends TcpDiscoveryImpl {
"To speed up failure detection please see 'Failure Detection' section under javadoc" +
" for 'TcpDiscoverySpi'");
}
+
+ return msgRes;
}
/**
@@ -3847,6 +3976,35 @@ class ServerImpl extends TcpDiscoveryImpl {
}
/**
+ * TODO: IGNITE-752
+ * @param msg
+ */
+ private void processConnectionCheckMessage(TcpDiscoveryConnectionCheckMessage msg) {
+ assert msg.creatorNodeId().equals(getLocalNodeId()) && msg.senderNodeId() == null;
+
+ if (spiStateCopy() != CONNECTED) {
+ if (log.isDebugEnabled())
+ log.debug("Connection check message discarded (local node receives updates).");
+
+ chkConnWorker.messageProcessed();
+ return;
+ }
+
+ int res = RES_FAIL;
+
+ if (ring.hasRemoteNodes())
+ res = sendMessageAcrossRing(msg);
+
+ chkConnWorker.messageProcessed();
+
+ if (res == TcpDiscoveryConnectionCheckMessage.STATUS_RECON) {
+ U.warn(log, "Node is out of topology (probably, due to short-time network problems).");
+
+ notifyDiscovery(EVT_NODE_SEGMENTED, ring.topologyVersion(), locNode);
+ }
+ }
+
+ /**
* @param nodeId Node ID.
* @param metrics Metrics.
* @param cacheMetrics Cache metrics.
@@ -4261,6 +4419,8 @@ class ServerImpl extends TcpDiscoveryImpl {
return;
}
+
+
// Handshake.
TcpDiscoveryHandshakeRequest req = (TcpDiscoveryHandshakeRequest)msg;
@@ -4418,6 +4578,12 @@ class ServerImpl extends TcpDiscoveryImpl {
break;
}
}
+ else if (msg instanceof TcpDiscoveryConnectionCheckMessage) {
+ spi.writeToSocket(msg, sock, ring.node(msg.creatorNodeId()) != null ? RES_OK :
+ TcpDiscoveryConnectionCheckMessage.STATUS_RECON, socketTimeout);
+
+ continue;
+ }
else if (msg instanceof TcpDiscoveryClientReconnectMessage) {
if (clientMsgWrk != null) {
TcpDiscoverySpiState state = spiStateCopy();
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/347eb70c/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoveryImpl.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoveryImpl.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoveryImpl.java
index cf113a2..85b1f38 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoveryImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoveryImpl.java
@@ -37,6 +37,9 @@ abstract class TcpDiscoveryImpl {
/** Response OK. */
protected static final int RES_OK = 1;
+ /** Response FAIL. */
+ protected static final int RES_FAIL = -1;
+
/** Response CONTINUE JOIN. */
protected static final int RES_CONTINUE_JOIN = 100;
@@ -131,6 +134,13 @@ abstract class TcpDiscoveryImpl {
}
/**
+ * TODO: IGNITE-752
+ */
+ protected void onDataRead() {
+ // No-op
+ }
+
+ /**
* @param log Logger.
*/
public abstract void dumpDebugInfo(IgniteLogger log);
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/347eb70c/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoverySpi.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoverySpi.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoverySpi.java
index 8d99bcd..fcba8c6 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoverySpi.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/TcpDiscoverySpi.java
@@ -157,6 +157,15 @@ import java.util.concurrent.atomic.*;
@DiscoverySpiOrderSupport(true)
@DiscoverySpiHistorySupport(true)
public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, TcpDiscoverySpiMBean {
+ /** Failure detection threshold feature major version. */
+ final static int FAILURE_DETECTION_MAJOR_VER = 1;
+
+ /** Failure detection threshold feature minor version. */
+ final static int FAILURE_DETECTION_MINOR_VER = 3;
+
+ /** Failure detection threshold feature maintainance version. */
+ final static int FAILURE_DETECTION_MAINT_VER = 1;
+
/** Node attribute that is mapped to node's external addresses (value is <tt>disc.tcp.ext-addrs</tt>). */
public static final String ATTR_EXT_ADDRS = "disc.tcp.ext-addrs";
@@ -202,6 +211,9 @@ public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, T
/** Default max heartbeats count node can miss without failing client node (value is <tt>5</tt>). */
public static final int DFLT_MAX_MISSED_CLIENT_HEARTBEATS = 5;
+ /** Default connection check frequency. */
+ public static final int DFLT_CONN_CHECK_FREQ = 1000;
+
/** Default IP finder clean frequency in milliseconds (value is <tt>60,000ms</tt>). */
public static final long DFLT_IP_FINDER_CLEAN_FREQ = 60 * 1000;
@@ -242,6 +254,9 @@ public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, T
/** Size of topology snapshots history. */
protected int topHistSize = DFLT_TOP_HISTORY_SIZE;
+ /** Connection check frequency. Used in conjunction with failure detection threshold. */
+ protected long connCheckFreq = DFLT_CONN_CHECK_FREQ;
+
/** Grid discovery listener. */
protected volatile DiscoverySpiListener lsnr;
@@ -828,6 +843,19 @@ public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, T
}
/**
+ * TODO: IGNITE-752
+ *
+ * @param connCheckFreq
+ * @return
+ */
+ @IgniteSpiConfiguration(optional = true)
+ public TcpDiscoverySpi setConnectionCheckFrequency(long connCheckFreq) {
+ this.connCheckFreq = connCheckFreq;
+
+ return this;
+ }
+
+ /**
* @return Size of topology snapshots history.
*/
public long getTopHistorySize() {
@@ -1332,7 +1360,11 @@ public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, T
try {
sock.setSoTimeout((int)timeout);
- return marsh.unmarshal(in == null ? sock.getInputStream() : in, U.gridClassLoader());
+ T res = marsh.unmarshal(in == null ? sock.getInputStream() : in, U.gridClassLoader());
+
+ impl.onDataRead();
+
+ return res;
}
catch (IOException | IgniteCheckedException e) {
if (X.hasCause(e, SocketTimeoutException.class))
@@ -1373,6 +1405,8 @@ public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, T
if (res == -1)
throw new EOFException();
+ impl.onDataRead();
+
return res;
}
catch (SocketTimeoutException e) {
@@ -1648,6 +1682,10 @@ public class TcpDiscoverySpi extends IgniteSpiAdapter implements DiscoverySpi, T
log.debug(configInfo("threadPri", threadPri));
if (!failureDetectionThresholdEnabled()) {
+ log.debug("Failure detection threshold is disabled and connection check frequency is ignored because " +
+ "at least one of the parameters from this list has been set manually: 'networkTimeout'," +
+ " 'sockTimeout', 'ackTimeout', 'maxAckTimeout', 'reconnectCount'.");
+
log.debug(configInfo("networkTimeout", netTimeout));
log.debug(configInfo("sockTimeout", sockTimeout));
log.debug(configInfo("ackTimeout", ackTimeout));
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/347eb70c/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/TcpDiscoveryNode.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/TcpDiscoveryNode.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/TcpDiscoveryNode.java
index 032cf01..b33c0c9 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/TcpDiscoveryNode.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/TcpDiscoveryNode.java
@@ -89,6 +89,9 @@ public class TcpDiscoveryNode extends GridMetadataAwareAdapter implements Cluste
@GridToStringExclude
private volatile long lastUpdateTime = U.currentTimeMillis();
+ /** The most recent time when a data chunk was received from a node. */
+ private volatile long lastDataReceivedTime = U.currentTimeMillis();
+
/** Metrics provider (transient). */
@GridToStringExclude
private DiscoveryMetricsProvider metricsProvider;
@@ -385,6 +388,22 @@ public class TcpDiscoveryNode extends GridMetadataAwareAdapter implements Cluste
}
/**
+ * TODO: IGNITE-752
+ * @return
+ */
+ public long lastDataReceivedTime() {
+ return lastDataReceivedTime;
+ }
+
+ /**
+ * TODO: IGNITE-752
+ * @param lastDataReceivedTime
+ */
+ public void lastDataReceivedTime(long lastDataReceivedTime) {
+ this.lastDataReceivedTime = lastDataReceivedTime;
+ }
+
+ /**
* Gets visible flag.
*
* @return {@code true} if node is in visible state.
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/347eb70c/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryConnectionCheckMessage.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryConnectionCheckMessage.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryConnectionCheckMessage.java
new file mode 100644
index 0000000..3249220
--- /dev/null
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryConnectionCheckMessage.java
@@ -0,0 +1,45 @@
+/*
+ * 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.spi.discovery.tcp.messages;
+
+import org.apache.ignite.internal.util.typedef.internal.*;
+import org.apache.ignite.spi.discovery.tcp.internal.*;
+
+/**
+ * Message used to check whether a node is still connected to the topology.
+ * The difference from {@link TcpDiscoveryStatusCheckMessage} is that this message is sent to the next node
+ * which directly replies to the sender without message re-translation to the coordinator.
+ */
+public class TcpDiscoveryConnectionCheckMessage extends TcpDiscoveryAbstractMessage {
+ /** Status RECONNECT. */
+ public static final int STATUS_RECON = 500;
+
+ /**
+ * Constructor.
+ *
+ * @param creatorNode Node created this message.
+ */
+ public TcpDiscoveryConnectionCheckMessage(TcpDiscoveryNode creatorNode) {
+ super(creatorNode.id());
+ }
+
+ /** {@inheritDoc} */
+ @Override public String toString() {
+ return S.toString(TcpDiscoveryConnectionCheckMessage.class, this, "super", super.toString());
+ }
+}