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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2018/10/10 08:25:52 UTC
[GitHub] wu-sheng closed pull request #1742: The heartbeat implementation
for all the scopes.
wu-sheng closed pull request #1742: The heartbeat implementation for all the scopes.
URL: https://github.com/apache/incubator-skywalking/pull/1742
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/Rules.java b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/Rules.java
index bfbced09b..e7a2e34db 100644
--- a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/Rules.java
+++ b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/Rules.java
@@ -18,14 +18,17 @@
package org.apache.skywalking.oap.server.core.alarm.provider;
-import java.util.List;
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.Setter;
+import java.util.*;
+import lombok.*;
@Setter(AccessLevel.PUBLIC)
@Getter(AccessLevel.PUBLIC)
public class Rules {
private List<AlarmRule> rules;
private List<String> webhooks;
+
+ public Rules() {
+ this.rules = new ArrayList<>();
+ this.webhooks = new ArrayList<>();
+ }
}
diff --git a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
index e2a28736c..897d892fb 100644
--- a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
+++ b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
@@ -18,11 +18,8 @@
package org.apache.skywalking.oap.server.core.alarm.provider;
-import java.io.InputStream;
-import java.io.Reader;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
+import java.io.*;
+import java.util.*;
import org.yaml.snakeyaml.Yaml;
/**
@@ -46,39 +43,42 @@ public RulesReader(Reader io) {
public Rules readRules() {
Rules rules = new Rules();
- Map rulesData = (Map)yamlData.get("rules");
- if (rulesData != null) {
- rules.setRules(new ArrayList<>());
- rulesData.forEach((k, v) -> {
- if (((String)k).endsWith("_rule")) {
- AlarmRule alarmRule = new AlarmRule();
- alarmRule.setAlarmRuleName((String)k);
- Map settings = (Map)v;
- Object indicatorName = settings.get("indicator-name");
- if (indicatorName == null) {
- throw new IllegalArgumentException("indicator-name can't be null");
- }
+ if (Objects.nonNull(yamlData)) {
+ Map rulesData = (Map)yamlData.get("rules");
+ if (rulesData != null) {
+ rules.setRules(new ArrayList<>());
+ rulesData.forEach((k, v) -> {
+ if (((String)k).endsWith("_rule")) {
+ AlarmRule alarmRule = new AlarmRule();
+ alarmRule.setAlarmRuleName((String)k);
+ Map settings = (Map)v;
+ Object indicatorName = settings.get("indicator-name");
+ if (indicatorName == null) {
+ throw new IllegalArgumentException("indicator-name can't be null");
+ }
- alarmRule.setIndicatorName((String)indicatorName);
- alarmRule.setIncludeNames((ArrayList)settings.getOrDefault("include-names", new ArrayList(0)));
- alarmRule.setThreshold(settings.get("threshold").toString());
- alarmRule.setOp((String)settings.get("op"));
- alarmRule.setPeriod((Integer)settings.getOrDefault("period", 1));
- alarmRule.setCount((Integer)settings.getOrDefault("count", 1));
- alarmRule.setSilencePeriod((Integer)settings.getOrDefault("silence-period", alarmRule.getPeriod()));
- alarmRule.setMessage((String)settings.getOrDefault("message", "Alarm caused by Rule " + alarmRule.getAlarmRuleName()));
+ alarmRule.setIndicatorName((String)indicatorName);
+ alarmRule.setIncludeNames((ArrayList)settings.getOrDefault("include-names", new ArrayList(0)));
+ alarmRule.setThreshold(settings.get("threshold").toString());
+ alarmRule.setOp((String)settings.get("op"));
+ alarmRule.setPeriod((Integer)settings.getOrDefault("period", 1));
+ alarmRule.setCount((Integer)settings.getOrDefault("count", 1));
+ alarmRule.setSilencePeriod((Integer)settings.getOrDefault("silence-period", alarmRule.getPeriod()));
+ alarmRule.setMessage((String)settings.getOrDefault("message", "Alarm caused by Rule " + alarmRule.getAlarmRuleName()));
- rules.getRules().add(alarmRule);
- }
- });
- }
- List webhooks = (List)yamlData.get("webhooks");
- if (webhooks != null) {
- rules.setWebhooks(new ArrayList<>());
- webhooks.forEach(url -> {
- rules.getWebhooks().add((String)url);
- });
+ rules.getRules().add(alarmRule);
+ }
+ });
+ }
+ List webhooks = (List)yamlData.get("webhooks");
+ if (webhooks != null) {
+ rules.setWebhooks(new ArrayList<>());
+ webhooks.forEach(url -> {
+ rules.getWebhooks().add((String)url);
+ });
+ }
}
+
return rules;
}
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/EndpointInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/EndpointInventoryRegister.java
index 895f421b7..eb361f5c0 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/EndpointInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/EndpointInventoryRegister.java
@@ -18,6 +18,7 @@
package org.apache.skywalking.oap.server.core.register.service;
+import java.util.Objects;
import org.apache.skywalking.oap.server.core.*;
import org.apache.skywalking.oap.server.core.cache.EndpointInventoryCache;
import org.apache.skywalking.oap.server.core.register.EndpointInventory;
@@ -70,4 +71,15 @@ private EndpointInventoryCache getCacheService() {
@Override public int get(int serviceId, String endpointName) {
return getCacheService().getEndpointId(serviceId, endpointName);
}
+
+ @Override public void heartbeat(int endpointId, long heartBeatTime) {
+ EndpointInventory endpointInventory = getCacheService().get(endpointId);
+ if (Objects.nonNull(endpointInventory)) {
+ endpointInventory.setHeartbeatTime(heartBeatTime);
+
+ InventoryProcess.INSTANCE.in(endpointInventory);
+ } else {
+ logger.warn("Endpoint {} heartbeat, but not found in storage.");
+ }
+ }
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IEndpointInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IEndpointInventoryRegister.java
index 2258aac9f..2a7146145 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IEndpointInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IEndpointInventoryRegister.java
@@ -29,4 +29,6 @@
int getOrCreate(int serviceId, String endpointName, DetectPoint detectPoint);
int get(int serviceId, String endpointName);
+
+ void heartbeat(int endpointId, long heartBeatTime);
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/INetworkAddressInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/INetworkAddressInventoryRegister.java
index eb3b37560..f812f580b 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/INetworkAddressInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/INetworkAddressInventoryRegister.java
@@ -29,4 +29,6 @@
int get(String networkAddress);
void update(int addressId, int srcLayer, int serverType);
+
+ void heartbeat(int addressId, long heartBeatTime);
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInstanceInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInstanceInventoryRegister.java
index acee9a8d9..7ed7b4e1c 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInstanceInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInstanceInventoryRegister.java
@@ -30,4 +30,6 @@ int getOrCreate(int serviceId, String serviceInstanceName, long registerTime,
ServiceInstanceInventory.AgentOsInfo osInfo);
int getOrCreate(int serviceId, int addressId, long registerTime);
+
+ void heartbeat(int serviceInstanceId, long heartBeatTime);
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInventoryRegister.java
index 1667c61d4..a31b270d8 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/IServiceInventoryRegister.java
@@ -28,4 +28,6 @@
int getOrCreate(String serviceName);
int getOrCreate(int addressId);
+
+ void heartbeat(int serviceId, long heartBeatTime);
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/NetworkAddressInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/NetworkAddressInventoryRegister.java
index d4ea42918..e702d673c 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/NetworkAddressInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/NetworkAddressInventoryRegister.java
@@ -18,11 +18,13 @@
package org.apache.skywalking.oap.server.core.register.service;
+import java.util.Objects;
import org.apache.skywalking.oap.server.core.*;
import org.apache.skywalking.oap.server.core.cache.NetworkAddressInventoryCache;
import org.apache.skywalking.oap.server.core.register.NetworkAddressInventory;
import org.apache.skywalking.oap.server.core.register.worker.InventoryProcess;
import org.apache.skywalking.oap.server.library.module.ModuleManager;
+import org.slf4j.*;
import static java.util.Objects.*;
@@ -31,6 +33,8 @@
*/
public class NetworkAddressInventoryRegister implements INetworkAddressInventoryRegister {
+ private static final Logger logger = LoggerFactory.getLogger(NetworkAddressInventoryRegister.class);
+
private final ModuleManager moduleManager;
private NetworkAddressInventoryCache networkAddressInventoryCache;
private IServiceInventoryRegister serviceInventoryRegister;
@@ -111,4 +115,15 @@ private boolean compare(int addressId, int srcLayer, int serverType) {
}
return true;
}
+
+ @Override public void heartbeat(int addressId, long heartBeatTime) {
+ NetworkAddressInventory networkAddress = getNetworkAddressInventoryCache().get(addressId);
+ if (Objects.nonNull(networkAddress)) {
+ networkAddress.setHeartbeatTime(heartBeatTime);
+
+ InventoryProcess.INSTANCE.in(networkAddress);
+ } else {
+ logger.warn("Network address {} heartbeat, but not found in storage.");
+ }
+ }
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInstanceInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInstanceInventoryRegister.java
index bf6762755..af0299226 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInstanceInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInstanceInventoryRegister.java
@@ -18,11 +18,11 @@
package org.apache.skywalking.oap.server.core.register.service;
-import org.apache.skywalking.oap.server.core.Const;
+import java.util.Objects;
+import org.apache.skywalking.oap.server.core.*;
+import org.apache.skywalking.oap.server.core.cache.ServiceInstanceInventoryCache;
import org.apache.skywalking.oap.server.core.register.ServiceInstanceInventory;
import org.apache.skywalking.oap.server.core.register.worker.InventoryProcess;
-import org.apache.skywalking.oap.server.core.storage.StorageModule;
-import org.apache.skywalking.oap.server.core.storage.cache.IServiceInstanceInventoryCacheDAO;
import org.apache.skywalking.oap.server.library.module.ModuleManager;
import org.apache.skywalking.oap.server.library.util.BooleanUtils;
import org.slf4j.*;
@@ -37,17 +37,17 @@
private static final Logger logger = LoggerFactory.getLogger(ServiceInstanceInventoryRegister.class);
private final ModuleManager moduleManager;
- private IServiceInstanceInventoryCacheDAO cacheDAO;
+ private ServiceInstanceInventoryCache serviceInstanceInventoryCache;
public ServiceInstanceInventoryRegister(ModuleManager moduleManager) {
this.moduleManager = moduleManager;
}
- private IServiceInstanceInventoryCacheDAO getCacheDAO() {
- if (isNull(cacheDAO)) {
- cacheDAO = moduleManager.find(StorageModule.NAME).getService(IServiceInstanceInventoryCacheDAO.class);
+ private ServiceInstanceInventoryCache getServiceInstanceInventoryCache() {
+ if (isNull(serviceInstanceInventoryCache)) {
+ serviceInstanceInventoryCache = moduleManager.find(CoreModule.NAME).getService(ServiceInstanceInventoryCache.class);
}
- return cacheDAO;
+ return serviceInstanceInventoryCache;
}
@Override public int getOrCreate(int serviceId, String serviceInstanceName, long registerTime,
@@ -56,7 +56,7 @@ private IServiceInstanceInventoryCacheDAO getCacheDAO() {
logger.debug("Get or create service instance by service instance name, service id: {}, service instance name: {}, registerTime: {}", serviceId, serviceInstanceName, registerTime);
}
- int serviceInstanceId = getCacheDAO().getServiceInstanceId(serviceId, serviceInstanceName);
+ int serviceInstanceId = getServiceInstanceInventoryCache().getServiceInstanceId(serviceId, serviceInstanceName);
if (serviceInstanceId == Const.NONE) {
ServiceInstanceInventory serviceInstanceInventory = new ServiceInstanceInventory();
@@ -83,7 +83,7 @@ private IServiceInstanceInventoryCacheDAO getCacheDAO() {
logger.debug("get or create service instance by address id, service id: {}, address id: {}, registerTime: {}", serviceId, addressId, registerTime);
}
- int serviceInstanceId = getCacheDAO().getServiceInstanceId(serviceId, addressId);
+ int serviceInstanceId = getServiceInstanceInventoryCache().getServiceInstanceId(serviceId, addressId);
if (serviceInstanceId == Const.NONE) {
ServiceInstanceInventory serviceInstanceInventory = new ServiceInstanceInventory();
@@ -99,4 +99,14 @@ private IServiceInstanceInventoryCacheDAO getCacheDAO() {
}
return serviceInstanceId;
}
+
+ @Override public void heartbeat(int serviceInstanceId, long heartBeatTime) {
+ ServiceInstanceInventory serviceInstanceInventory = getServiceInstanceInventoryCache().get(serviceInstanceId);
+ if (Objects.nonNull(serviceInstanceInventory)) {
+ serviceInstanceInventory.setHeartbeatTime(heartBeatTime);
+ InventoryProcess.INSTANCE.in(serviceInstanceInventory);
+ } else {
+ logger.warn("Service instance {} heartbeat, but not found in storage.");
+ }
+ }
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInventoryRegister.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInventoryRegister.java
index 6b22eb425..62e8ab6a4 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInventoryRegister.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/service/ServiceInventoryRegister.java
@@ -18,12 +18,14 @@
package org.apache.skywalking.oap.server.core.register.service;
+import java.util.Objects;
import org.apache.skywalking.oap.server.core.*;
import org.apache.skywalking.oap.server.core.cache.ServiceInventoryCache;
import org.apache.skywalking.oap.server.core.register.ServiceInventory;
import org.apache.skywalking.oap.server.core.register.worker.InventoryProcess;
import org.apache.skywalking.oap.server.library.module.ModuleManager;
import org.apache.skywalking.oap.server.library.util.BooleanUtils;
+import org.slf4j.*;
import static java.util.Objects.isNull;
@@ -32,6 +34,8 @@
*/
public class ServiceInventoryRegister implements IServiceInventoryRegister {
+ private static final Logger logger = LoggerFactory.getLogger(ServiceInventoryRegister.class);
+
private final ModuleManager moduleManager;
private ServiceInventoryCache serviceInventoryCache;
@@ -81,4 +85,15 @@ private ServiceInventoryCache getServiceInventoryCache() {
}
return serviceId;
}
+
+ @Override public void heartbeat(int serviceId, long heartBeatTime) {
+ ServiceInventory serviceInventory = getServiceInventoryCache().get(serviceId);
+ if (Objects.nonNull(serviceInventory)) {
+ serviceInventory.setHeartbeatTime(heartBeatTime);
+
+ InventoryProcess.INSTANCE.in(serviceInventory);
+ } else {
+ logger.warn("Service {} heartbeat, but not found in storage.");
+ }
+ }
}
diff --git a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/worker/RegisterPersistentWorker.java b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/worker/RegisterPersistentWorker.java
index c4283f0d4..cfed8c306 100644
--- a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/worker/RegisterPersistentWorker.java
+++ b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/register/worker/RegisterPersistentWorker.java
@@ -62,7 +62,7 @@
try {
RegisterSource newSource = registerDAO.get(modelName, source.id());
if (Objects.nonNull(newSource)) {
- newSource.combine(newSource);
+ newSource.combine(source);
registerDAO.forceUpdate(modelName, newSource);
} else {
int sequence = registerDAO.max(modelName);
diff --git a/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceDiscoveryServiceHandler.java b/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceDiscoveryServiceHandler.java
index 4295b0912..11681f145 100644
--- a/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceDiscoveryServiceHandler.java
+++ b/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceDiscoveryServiceHandler.java
@@ -35,11 +35,9 @@
private static final Logger logger = LoggerFactory.getLogger(InstanceDiscoveryServiceHandler.class);
private final IServiceInstanceInventoryRegister serviceInstanceInventoryRegister;
-// private final IInstanceHeartBeatService instanceHeartBeatService;
public InstanceDiscoveryServiceHandler(ModuleManager moduleManager) {
this.serviceInstanceInventoryRegister = moduleManager.find(CoreModule.NAME).getService(IServiceInstanceInventoryRegister.class);
-// this.instanceHeartBeatService = moduleManager.find(CoreModule.NAME).getService(IInstanceHeartBeatService.class);
}
@Override
@@ -61,10 +59,10 @@ public void registerInstance(ApplicationInstance request,
}
@Override public void heartbeat(ApplicationInstanceHeartbeat request, StreamObserver<Downstream> responseObserver) {
-// int instanceId = request.getApplicationInstanceId();
-// long heartBeatTime = request.getHeartbeatTime();
-// this.instanceHeartBeatService.heartBeat(instanceId, heartBeatTime);
-// responseObserver.onNext(Downstream.getDefaultInstance());
-// responseObserver.onCompleted();
+ int serviceInstanceId = request.getApplicationInstanceId();
+ long heartBeatTime = request.getHeartbeatTime();
+ serviceInstanceInventoryRegister.heartbeat(serviceInstanceId, heartBeatTime);
+ responseObserver.onNext(Downstream.getDefaultInstance());
+ responseObserver.onCompleted();
}
}
diff --git a/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/test/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceHeartBeatTestCase.java b/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/test/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceHeartBeatTestCase.java
new file mode 100644
index 000000000..4f31c0a62
--- /dev/null
+++ b/oap-server/server-receiver-plugin/skywalking-register-receiver-plugin/src/test/java/org/apache/skywalking/oap/server/receiver/register/provider/handler/v5/InstanceHeartBeatTestCase.java
@@ -0,0 +1,39 @@
+/*
+ * 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.skywalking.oap.server.receiver.register.provider.handler.v5;
+
+import io.grpc.*;
+import org.apache.skywalking.apm.network.language.agent.*;
+
+/**
+ * @author peng-yongsheng
+ */
+public class InstanceHeartBeatTestCase {
+
+ public static void main(String[] args) {
+ ManagedChannel channel = ManagedChannelBuilder.forAddress("localhost", 11800).usePlaintext(true).build();
+
+ InstanceDiscoveryServiceGrpc.InstanceDiscoveryServiceBlockingStub stub = InstanceDiscoveryServiceGrpc.newBlockingStub(channel);
+
+ ApplicationInstanceHeartbeat.Builder builder = ApplicationInstanceHeartbeat.newBuilder();
+ builder.setApplicationInstanceId(2);
+ builder.setHeartbeatTime(System.currentTimeMillis() + 5 * 1000 * 60);
+ Downstream heartbeat = stub.heartbeat(builder.build());
+ }
+}
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