From 6719ceef65258aa691e0424967ac9b5865c9ee2b Mon Sep 17 00:00:00 2001
From: zhangxn <840267340@qq.com>
Date: Sat, 5 Dec 2020 13:56:36 +0800
Subject: [PATCH] Add Motan RPC adapter implementation (#1825)
---
sentinel-adapter/pom.xml | 1 +
.../sentinel-motan-adapter/pom.xml | 50 ++++++++++
.../sentinel/adapter/motan/MotanUtils.java | 89 ++++++++++++++++++
.../motan/SentinelMotanConsumerFilter.java | 74 +++++++++++++++
.../motan/SentinelMotanProviderFilter.java | 80 ++++++++++++++++
.../config/MotanAdapterGlobalConfig.java | 94 +++++++++++++++++++
.../motan/fallback/DefaultMotanFallback.java | 38 ++++++++
.../adapter/motan/fallback/MotanFallback.java | 37 ++++++++
.../com.weibo.api.motan.filter.Filter | 2 +
sentinel-demo/pom.xml | 1 +
sentinel-demo/sentinel-demo-motan/pom.xml | 68 ++++++++++++++
.../motan/SentinelMotanConsumerService.java | 90 ++++++++++++++++++
.../motan/SentinelMotanProviderService.java | 72 ++++++++++++++
.../demo/motan/service/MotanDemoService.java | 25 +++++
.../service/impl/MotanDemoServiceImpl.java | 30 ++++++
.../src/main/resources/sentinel.properties | 1 +
16 files changed, 752 insertions(+)
create mode 100644 sentinel-adapter/sentinel-motan-adapter/pom.xml
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/MotanUtils.java
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanConsumerFilter.java
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanProviderFilter.java
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/config/MotanAdapterGlobalConfig.java
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/DefaultMotanFallback.java
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/MotanFallback.java
create mode 100644 sentinel-adapter/sentinel-motan-adapter/src/main/resources/META-INF/services/com.weibo.api.motan.filter.Filter
create mode 100644 sentinel-demo/sentinel-demo-motan/pom.xml
create mode 100644 sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanConsumerService.java
create mode 100644 sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanProviderService.java
create mode 100644 sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/MotanDemoService.java
create mode 100644 sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/impl/MotanDemoServiceImpl.java
create mode 100644 sentinel-demo/sentinel-demo-motan/src/main/resources/sentinel.properties
diff --git a/sentinel-adapter/pom.xml b/sentinel-adapter/pom.xml
index 2b35586d..f153452e 100755
--- a/sentinel-adapter/pom.xml
+++ b/sentinel-adapter/pom.xml
@@ -31,6 +31,7 @@
<module>sentinel-okhttp-adapter</module>
<module>sentinel-jax-rs-adapter</module>
<module>sentinel-quarkus-adapter</module>
+ <module>sentinel-motan-adapter</module>
</modules>
<dependencyManagement>
diff --git a/sentinel-adapter/sentinel-motan-adapter/pom.xml b/sentinel-adapter/sentinel-motan-adapter/pom.xml
new file mode 100644
index 00000000..6ccb1a3b
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/pom.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>sentinel-adapter</artifactId>
+ <groupId>com.alibaba.csp</groupId>
+ <version>1.8.1-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+ <artifactId>sentinel-motan-adapter</artifactId>
+ <packaging>jar</packaging>
+
+ <properties>
+ <motan.version>1.1.8</motan.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>com.alibaba.csp</groupId>
+ <artifactId>sentinel-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>com.weibo</groupId>
+ <artifactId>motan-core</artifactId>
+ <version>${motan.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.weibo</groupId>
+ <artifactId>motan-transport-netty4</artifactId>
+ <version>${motan.version}</version>
+ <scope>provided</scope>
+ </dependency>
+ </dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>${maven.compiler.version}</version>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ <encoding>${java.encoding}</encoding>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
\ No newline at end of file
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/MotanUtils.java b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/MotanUtils.java
new file mode 100644
index 00000000..19967c24
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/MotanUtils.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.adapter.motan;
+
+import com.alibaba.csp.sentinel.adapter.motan.config.MotanAdapterGlobalConfig;
+import com.alibaba.csp.sentinel.util.StringUtil;
+import com.weibo.api.motan.rpc.Caller;
+import com.weibo.api.motan.rpc.Request;
+import com.weibo.api.motan.util.ReflectUtil;
+
+/**
+ * @author zhangxn8
+ */
+public class MotanUtils {
+
+ private MotanUtils() {}
+
+ public static String getMethodResourceName(Caller<?> caller, Request request){
+ return getMethodResourceName(caller, request, false);
+ }
+
+ public static String getMethodResourceName(Caller<?> caller, Request request, Boolean useGroupAndVersion) {
+ StringBuilder buf = new StringBuilder(64);
+ String interfaceResource = useGroupAndVersion ? caller.getUrl().getPath(): caller.getInterface().getName();
+ buf.append(interfaceResource)
+ .append(":")
+ .append(request.getMethodName())
+ .append("(");
+ boolean isFirst = true;
+ try {
+ Class<?>[] classTypes = ReflectUtil.forNames(request.getParamtersDesc());
+ for (Class<?> clazz : classTypes) {
+ if (!isFirst) {
+ buf.append(",");
+ }
+ buf.append(clazz.getName());
+ isFirst = false;
+ }
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ }
+ buf.append(")");
+ return buf.toString();
+ }
+
+ public static String getMethodResourceName(Caller<?> caller, Request request, String prefix) {
+ if (StringUtil.isNotBlank(prefix)) {
+ return new StringBuilder(64)
+ .append(prefix)
+ .append(getMethodResourceName(caller, request,MotanAdapterGlobalConfig.getMotanInterfaceGroupAndVersionEnabled()))
+ .toString();
+ } else {
+ return getMethodResourceName(caller, request,MotanAdapterGlobalConfig.getMotanInterfaceGroupAndVersionEnabled());
+ }
+ }
+
+ public static String getInterfaceName(Caller<?> caller) {
+ return getInterfaceName(caller, false);
+ }
+
+ public static String getInterfaceName(Caller<?> caller, Boolean useGroupAndVersion) {
+ return useGroupAndVersion ? caller.getUrl().getApplication() : caller.getInterface().getName();
+ }
+
+ public static String getInterfaceName(Caller<?> caller, String prefix) {
+ if (StringUtil.isNotBlank(prefix)) {
+ return new StringBuilder(64)
+ .append(prefix)
+ .append(getInterfaceName(caller, MotanAdapterGlobalConfig.getMotanInterfaceGroupAndVersionEnabled()))
+ .toString();
+ } else {
+ return getInterfaceName(caller, MotanAdapterGlobalConfig.getMotanInterfaceGroupAndVersionEnabled());
+ }
+ }
+
+}
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanConsumerFilter.java b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanConsumerFilter.java
new file mode 100644
index 00000000..eda65b54
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanConsumerFilter.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.adapter.motan;
+
+import com.alibaba.csp.sentinel.*;
+import com.alibaba.csp.sentinel.adapter.motan.config.MotanAdapterGlobalConfig;
+import com.alibaba.csp.sentinel.log.RecordLog;
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+import com.weibo.api.motan.common.MotanConstants;
+import com.weibo.api.motan.core.extension.Activation;
+import com.weibo.api.motan.core.extension.SpiMeta;
+import com.weibo.api.motan.exception.MotanAbstractException;
+import com.weibo.api.motan.filter.Filter;
+import com.weibo.api.motan.rpc.Caller;
+import com.weibo.api.motan.rpc.Request;
+import com.weibo.api.motan.rpc.Response;
+
+/**
+ * @author zhangxn8
+ */
+@Activation(key = MotanConstants.NODE_TYPE_REFERER)
+@SpiMeta(name = MotanAdapterGlobalConfig.SENTINEL_MOTAN_CONSUMER)
+public class SentinelMotanConsumerFilter implements Filter {
+
+ public SentinelMotanConsumerFilter(){
+ RecordLog.info("Sentinel motan consumer filter initialized");
+ }
+
+ @Override
+ public Response filter(Caller<?> caller, Request request) {
+ Entry interfaceEntry = null;
+ Entry methodEntry = null;
+ String prefix = MotanAdapterGlobalConfig.getMotanConsumerPrefix();
+ String interfaceResourceName = MotanUtils.getInterfaceName(caller, prefix);
+ String methodResourceName = MotanUtils.getMethodResourceName(caller, request, prefix);
+ try {
+ interfaceEntry = SphU.entry(interfaceResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.OUT);
+ methodEntry = SphU.entry(methodResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.OUT,
+ request.getArguments());
+ Response result = caller.call(request);
+ if (result.getException() != null) {
+ Tracer.traceEntry(result.getException(), interfaceEntry);
+ Tracer.traceEntry(result.getException(), methodEntry);
+ }
+ return result;
+ } catch (BlockException e) {
+ return MotanAdapterGlobalConfig.getConsumerFallback().handle(caller, request, e);
+ } catch (MotanAbstractException e) {
+ Tracer.traceEntry(e, interfaceEntry);
+ Tracer.traceEntry(e, methodEntry);
+ throw e;
+ } finally {
+ if (methodEntry != null) {
+ methodEntry.exit(1, request.getArguments());
+ }
+ if (interfaceEntry != null) {
+ interfaceEntry.exit();
+ }
+ }
+ }
+}
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanProviderFilter.java b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanProviderFilter.java
new file mode 100644
index 00000000..3ad777b1
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/SentinelMotanProviderFilter.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.adapter.motan;
+
+import com.alibaba.csp.sentinel.*;
+import com.alibaba.csp.sentinel.adapter.motan.config.MotanAdapterGlobalConfig;
+import com.alibaba.csp.sentinel.context.ContextUtil;
+import com.alibaba.csp.sentinel.log.RecordLog;
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+import com.weibo.api.motan.common.MotanConstants;
+import com.weibo.api.motan.core.extension.Activation;
+import com.weibo.api.motan.core.extension.SpiMeta;
+import com.weibo.api.motan.exception.MotanAbstractException;
+import com.weibo.api.motan.filter.Filter;
+import com.weibo.api.motan.rpc.Caller;
+import com.weibo.api.motan.rpc.Request;
+import com.weibo.api.motan.rpc.Response;
+import java.util.Map;
+
+/**
+ * @author zhangxn8
+ */
+@Activation(key = MotanConstants.NODE_TYPE_SERVICE)
+@SpiMeta(name = MotanAdapterGlobalConfig.SENTINEL_MOTAN_PROVIDER)
+public class SentinelMotanProviderFilter implements Filter {
+
+ public SentinelMotanProviderFilter(){
+ RecordLog.info("Sentinel motan provider filter initialized");
+ }
+
+ @Override
+ public Response filter(Caller<?> caller, Request request) {
+ Entry interfaceEntry = null;
+ Entry methodEntry = null;
+ Map<String, String> attachment = request.getAttachments();
+ String origin = attachment.getOrDefault(MotanAdapterGlobalConfig.APPLICATION, MotanAdapterGlobalConfig.MOTAN);
+ String prefix = MotanAdapterGlobalConfig.getMotanProviderPrefix();
+ String interfaceResourceName = MotanUtils.getInterfaceName(caller, prefix);
+ String methodResourceName = MotanUtils.getMethodResourceName(caller, request, prefix);
+ try {
+ ContextUtil.enter(methodResourceName, origin);
+ interfaceEntry = SphU.entry(interfaceResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.IN);
+ methodEntry = SphU.entry(methodResourceName, ResourceTypeConstants.COMMON_RPC, EntryType.IN,
+ request.getArguments());
+ Response result = caller.call(request);
+ if (result.getException() != null) {
+ Tracer.traceEntry(result.getException(), interfaceEntry);
+ Tracer.traceEntry(result.getException(), methodEntry);
+ }
+ return result;
+ } catch (BlockException e) {
+ return MotanAdapterGlobalConfig.getProviderFallback().handle(caller, request, e);
+ } catch (MotanAbstractException e) {
+ Tracer.traceEntry(e, interfaceEntry);
+ Tracer.traceEntry(e, methodEntry);
+ throw e;
+ } finally {
+ if (methodEntry != null) {
+ methodEntry.exit(1, request.getArguments());
+ }
+ if (interfaceEntry != null) {
+ interfaceEntry.exit();
+ }
+ ContextUtil.exit();
+ }
+ }
+}
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/config/MotanAdapterGlobalConfig.java b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/config/MotanAdapterGlobalConfig.java
new file mode 100644
index 00000000..a4e34ca0
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/config/MotanAdapterGlobalConfig.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.adapter.motan.config;
+
+import com.alibaba.csp.sentinel.adapter.motan.fallback.DefaultMotanFallback;
+import com.alibaba.csp.sentinel.adapter.motan.fallback.MotanFallback;
+import com.alibaba.csp.sentinel.config.SentinelConfig;
+import com.alibaba.csp.sentinel.util.AssertUtil;
+import com.alibaba.csp.sentinel.util.StringUtil;
+
+/**
+ * @author zhangxn8
+ */
+public class MotanAdapterGlobalConfig {
+
+ private static final String TRUE_STR = "true";
+
+ public static final String APPLICATION = "application";
+ public static final String MOTAN = "motan";
+
+ public static final String BASE_SENTINEL_MOTAN_FILTER = "baseSentinelMotanFilter";
+ public static final String MOTAN_APP_CONTEXT = "motanAppContext";
+ public static final String SENTINEL_MOTAN_CONSUMER = "sentinelMotanConsumer";
+ public static final String SENTINEL_MOTAN_PROVIDER = "sentinelMotanProvider";
+
+ public static final String MOTAN_RES_NAME_WITH_PREFIX_KEY = "csp.sentinel.motan.resource.use.prefix";
+ public static final String MOTAN_PROVIDER_RES_NAME_PREFIX_KEY = "csp.sentinel.motan.resource.provider.prefix";
+ public static final String MOTAN_CONSUMER_RES_NAME_PREFIX_KEY = "csp.sentinel.motan.resource.consumer.prefix";
+
+ public static final String MOTAN_INTERFACE_GROUP_VERSION_ENABLED = "csp.sentinel.motan.interface.group.version.enabled";
+
+ private static final String DEFAULT_MOTAN_PROVIDER_PREFIX = "motan:provider:";
+ private static final String DEFAULT_MOTAN_CONSUMER_PREFIX = "motan:consumer:";
+
+ private static volatile MotanFallback consumerFallback = new DefaultMotanFallback();
+ private static volatile MotanFallback providerFallback = new DefaultMotanFallback();
+
+ private MotanAdapterGlobalConfig() {}
+
+ public static boolean isUsePrefix() {
+ return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(MOTAN_RES_NAME_WITH_PREFIX_KEY));
+ }
+
+ public static String getMotanProviderPrefix() {
+ if (isUsePrefix()) {
+ String config = SentinelConfig.getConfig(MOTAN_PROVIDER_RES_NAME_PREFIX_KEY);
+ return StringUtil.isNotBlank(config) ? config : DEFAULT_MOTAN_PROVIDER_PREFIX;
+ }
+ return null;
+ }
+
+ public static String getMotanConsumerPrefix() {
+ if (isUsePrefix()) {
+ String config = SentinelConfig.getConfig(MOTAN_CONSUMER_RES_NAME_PREFIX_KEY);
+ return StringUtil.isNotBlank(config) ? config : DEFAULT_MOTAN_CONSUMER_PREFIX;
+ }
+ return null;
+ }
+
+ public static Boolean getMotanInterfaceGroupAndVersionEnabled() {
+ return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(MOTAN_INTERFACE_GROUP_VERSION_ENABLED));
+ }
+
+ public static MotanFallback getConsumerFallback() {
+ return consumerFallback;
+ }
+
+ public static void setConsumerFallback(MotanFallback consumerFallback) {
+ AssertUtil.notNull(consumerFallback, "consumerFallback cannot be null");
+ MotanAdapterGlobalConfig.consumerFallback = consumerFallback;
+ }
+
+ public static MotanFallback getProviderFallback() {
+ return providerFallback;
+ }
+
+ public static void setProviderFallback(MotanFallback providerFallback) {
+ AssertUtil.notNull(providerFallback, "providerFallback cannot be null");
+ MotanAdapterGlobalConfig.providerFallback = providerFallback;
+ }
+}
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/DefaultMotanFallback.java b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/DefaultMotanFallback.java
new file mode 100644
index 00000000..9d68fe7a
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/DefaultMotanFallback.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.adapter.motan.fallback;
+
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+import com.weibo.api.motan.rpc.Caller;
+import com.weibo.api.motan.rpc.DefaultResponse;
+import com.weibo.api.motan.rpc.Request;
+import com.weibo.api.motan.rpc.Response;
+
+/**
+ * @author zhangxn8
+ */
+public class DefaultMotanFallback implements MotanFallback{
+
+ @Override
+ public Response handle(Caller<?> caller, Request request, BlockException ex) {
+ DefaultResponse defaultResponse = new DefaultResponse();
+ defaultResponse.setException(ex.toRuntimeException());
+ defaultResponse.setRequestId(request.getRequestId());
+ defaultResponse.setAttachments(request.getAttachments());
+ defaultResponse.setRpcProtocolVersion(request.getRpcProtocolVersion());
+ return defaultResponse;
+ }
+}
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/MotanFallback.java b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/MotanFallback.java
new file mode 100644
index 00000000..c2ee3d96
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/java/com/alibaba/csp/sentinel/adapter/motan/fallback/MotanFallback.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.adapter.motan.fallback;
+
+import com.alibaba.csp.sentinel.slots.block.BlockException;
+import com.weibo.api.motan.rpc.Caller;
+import com.weibo.api.motan.rpc.Request;
+import com.weibo.api.motan.rpc.Response;
+
+/**
+ * @author zhangxn8
+ */
+public interface MotanFallback {
+
+ /**
+ * Handle the block exception and provide fallback result.
+ * @param caller
+ * @param request
+ * @param ex
+ * @return
+ */
+ Response handle(Caller<?> caller, Request request, BlockException ex);
+
+}
diff --git a/sentinel-adapter/sentinel-motan-adapter/src/main/resources/META-INF/services/com.weibo.api.motan.filter.Filter b/sentinel-adapter/sentinel-motan-adapter/src/main/resources/META-INF/services/com.weibo.api.motan.filter.Filter
new file mode 100644
index 00000000..7f7d1e29
--- /dev/null
+++ b/sentinel-adapter/sentinel-motan-adapter/src/main/resources/META-INF/services/com.weibo.api.motan.filter.Filter
@@ -0,0 +1,2 @@
+com.alibaba.csp.sentinel.adapter.motan.SentinelMotanProviderFilter
+com.alibaba.csp.sentinel.adapter.motan.SentinelMotanConsumerFilter
\ No newline at end of file
diff --git a/sentinel-demo/pom.xml b/sentinel-demo/pom.xml
index 4f3650c0..990c3950 100755
--- a/sentinel-demo/pom.xml
+++ b/sentinel-demo/pom.xml
@@ -44,6 +44,7 @@
<module>sentinel-demo-jax-rs</module>
<module>sentinel-demo-quarkus</module>
<module>sentinel-demo-annotation-cdi-interceptor</module>
+ <module>sentinel-demo-motan</module>
</modules>
<dependencies>
diff --git a/sentinel-demo/sentinel-demo-motan/pom.xml b/sentinel-demo/sentinel-demo-motan/pom.xml
new file mode 100644
index 00000000..4f48a87d
--- /dev/null
+++ b/sentinel-demo/sentinel-demo-motan/pom.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>sentinel-demo</artifactId>
+ <groupId>com.alibaba.csp</groupId>
+ <version>1.8.1-SNAPSHOT</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+ <artifactId>sentinel-demo-motan</artifactId>
+
+ <properties>
+ <motan.version>1.1.8</motan.version>
+ <slf4j.version>1.7.28</slf4j.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>com.alibaba.csp</groupId>
+ <artifactId>sentinel-motan-adapter</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>com.alibaba.csp</groupId>
+ <artifactId>sentinel-transport-simple-http</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>com.weibo</groupId>
+ <artifactId>motan-core</artifactId>
+ <version>${motan.version}</version>
+ <scope>compile</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.weibo</groupId>
+ <artifactId>motan-transport-netty4</artifactId>
+ <version>${motan.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ <version>${slf4j.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ <version>${slf4j.version}</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>${maven.compiler.version}</version>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ <encoding>${java.encoding}</encoding>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
\ No newline at end of file
diff --git a/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanConsumerService.java b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanConsumerService.java
new file mode 100644
index 00000000..f6be190d
--- /dev/null
+++ b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanConsumerService.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.demo.motan;
+
+import com.alibaba.csp.sentinel.demo.motan.service.MotanDemoService;
+import com.alibaba.csp.sentinel.slots.block.RuleConstant;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
+import com.weibo.api.motan.config.ProtocolConfig;
+import com.weibo.api.motan.config.RefererConfig;
+import com.weibo.api.motan.config.RegistryConfig;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author zhangxn8
+ */
+public class SentinelMotanConsumerService {
+
+ private static final String INTERFACE_RES_KEY = MotanDemoService.class.getName();
+ private static final String RES_KEY = INTERFACE_RES_KEY + ":hello(java.lang.String)";
+
+ public static void main(String[] args) {
+ RefererConfig<MotanDemoService> motanDemoServiceReferer = new RefererConfig<MotanDemoService>();
+ // 设置接口及实现类
+ motanDemoServiceReferer.setInterface(MotanDemoService.class);
+ // 配置服务的group以及版本号
+ motanDemoServiceReferer.setGroup("motan-demo-rpc");
+ motanDemoServiceReferer.setVersion("1.0");
+ motanDemoServiceReferer.setRequestTimeout(100000);
+
+ // 配置注册中心直连调用
+ RegistryConfig registry = new RegistryConfig();
+
+ //use direct registry
+ registry.setRegProtocol("direct");
+ registry.setAddress("127.0.0.1:8002");
+
+ // use ZooKeeper: 2181 or consul:8500 registry
+// registry.setRegProtocol("consul");
+// registry.setAddress("127.0.0.1:8500");
+ motanDemoServiceReferer.setRegistry(registry);
+
+ // 配置RPC协议
+ ProtocolConfig protocol = new ProtocolConfig();
+ protocol.setId("motan");
+ protocol.setName("motan");
+ motanDemoServiceReferer.setProtocol(protocol);
+ motanDemoServiceReferer.setDirectUrl("localhost:8002"); // 注册中心直连调用需添加此配置
+
+ initFlowRule(5, false);
+
+ // 使用服务
+ MotanDemoService service = motanDemoServiceReferer.getRef();
+ for (int i = 0 ;i< 5000 ;i++) {
+ System.out.println(service.hello("motan"));
+ }
+
+ System.exit(0);
+ }
+
+ private static void initFlowRule(int interfaceFlowLimit, boolean method) {
+ FlowRule flowRule = new FlowRule(INTERFACE_RES_KEY)
+ .setCount(interfaceFlowLimit)
+ .setGrade(RuleConstant.FLOW_GRADE_QPS);
+ List<FlowRule> list = new ArrayList<>();
+ if (method) {
+ FlowRule flowRule1 = new FlowRule(RES_KEY)
+ .setCount(5)
+ .setGrade(RuleConstant.FLOW_GRADE_QPS);
+ list.add(flowRule1);
+ }
+ list.add(flowRule);
+ FlowRuleManager.loadRules(list);
+ }
+}
diff --git a/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanProviderService.java b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanProviderService.java
new file mode 100644
index 00000000..8d5c1f0b
--- /dev/null
+++ b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/SentinelMotanProviderService.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.demo.motan;
+
+import com.alibaba.csp.sentinel.demo.motan.service.MotanDemoService;
+import com.alibaba.csp.sentinel.demo.motan.service.impl.MotanDemoServiceImpl;
+import com.alibaba.csp.sentinel.init.InitExecutor;
+import com.weibo.api.motan.common.MotanConstants;
+import com.weibo.api.motan.config.ProtocolConfig;
+import com.weibo.api.motan.config.RegistryConfig;
+import com.weibo.api.motan.config.ServiceConfig;
+import com.weibo.api.motan.util.MotanSwitcherUtil;
+
+/**
+ * @author zhangxn8
+ */
+public class SentinelMotanProviderService {
+
+ public static void main(String[] args) {
+
+ InitExecutor.doInit();
+
+ ServiceConfig<MotanDemoService> motanDemoService = new ServiceConfig<MotanDemoService>();
+
+ // 设置接口及实现类
+ motanDemoService.setInterface(MotanDemoService.class);
+ motanDemoService.setRef(new MotanDemoServiceImpl());
+
+ // 配置服务的group以及版本号
+ motanDemoService.setGroup("motan-demo-rpc");
+ motanDemoService.setVersion("1.0");
+
+ // 配置注册中心直连调用
+ RegistryConfig registry = new RegistryConfig();
+
+ //use local registry
+ registry.setRegProtocol("local");
+
+ // use ZooKeeper: 2181 or consul:8500 registry
+// registry.setRegProtocol("consul");
+// registry.setAddress("127.0.0.1:8500");
+
+ // registry.setCheck("false"); //是否检查是否注册成功
+ motanDemoService.setRegistry(registry);
+
+ // 配置RPC协议
+ ProtocolConfig protocol = new ProtocolConfig();
+ protocol.setId("motan");
+ protocol.setName("motan");
+ motanDemoService.setProtocol(protocol);
+
+ motanDemoService.setExport("motan:8002");
+ motanDemoService.export();
+
+ MotanSwitcherUtil.setSwitcherValue(MotanConstants.REGISTRY_HEARTBEAT_SWITCHER, true);
+
+ System.out.println("server start...");
+ }
+}
diff --git a/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/MotanDemoService.java b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/MotanDemoService.java
new file mode 100644
index 00000000..c0f6a0d8
--- /dev/null
+++ b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/MotanDemoService.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.demo.motan.service;
+
+/**
+ * @author zhangxn8
+ */
+public interface MotanDemoService {
+
+ String hello(String name);
+
+}
diff --git a/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/impl/MotanDemoServiceImpl.java b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/impl/MotanDemoServiceImpl.java
new file mode 100644
index 00000000..c5a3aa51
--- /dev/null
+++ b/sentinel-demo/sentinel-demo-motan/src/main/java/com/alibaba/csp/sentinel/demo/motan/service/impl/MotanDemoServiceImpl.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed 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
+ *
+ * https://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 com.alibaba.csp.sentinel.demo.motan.service.impl;
+
+import com.alibaba.csp.sentinel.demo.motan.service.MotanDemoService;
+
+/**
+ * @author zhangxn8
+ */
+public class MotanDemoServiceImpl implements MotanDemoService {
+
+ @Override
+ public String hello(String name) {
+ System.out.println(name);
+ return "Hello " + name + "!";
+ }
+}
diff --git a/sentinel-demo/sentinel-demo-motan/src/main/resources/sentinel.properties b/sentinel-demo/sentinel-demo-motan/src/main/resources/sentinel.properties
new file mode 100644
index 00000000..b55829bb
--- /dev/null
+++ b/sentinel-demo/sentinel-demo-motan/src/main/resources/sentinel.properties
@@ -0,0 +1 @@
+csp.sentinel.dashboard.server=localhost:8080
\ No newline at end of file