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[ISSUE apache#4612] init shenyu-plugin-wasm-api module
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| Original file line number | Diff line number | Diff line change |
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!-- | ||
| ~ 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. | ||
| --> | ||
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| <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> | ||
| <groupId>org.apache.shenyu</groupId> | ||
| <artifactId>shenyu-plugin</artifactId> | ||
| <version>2.6.2-SNAPSHOT</version> | ||
| </parent> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <artifactId>shenyu-plugin-wasm-api</artifactId> | ||
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| <dependencies> | ||
| <dependency> | ||
| <groupId>org.apache.shenyu</groupId> | ||
| <artifactId>shenyu-plugin-base</artifactId> | ||
| <version>${project.version}</version> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>io.github.kawamuray.wasmtime</groupId> | ||
| <artifactId>wasmtime-java</artifactId> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>ch.qos.logback</groupId> | ||
| <artifactId>logback-classic</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>com.fasterxml.jackson.module</groupId> | ||
| <artifactId>jackson-module-kotlin</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| </dependencies> | ||
| </project> |
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| Original file line number | Diff line number | Diff line change |
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| # How to build the wasm file | ||
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| 1. install rustup | ||
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| 2. install rust | ||
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| 3. generate the wasm file | ||
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| ```shell | ||
| cd {shenyu}/shenyu-plugin/shenyu-plugin-wasm-api/src/test/rust-wasm-filter | ||
| cargo build --target wasm32-wasi --release | ||
| ``` | ||
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| then you will see the wasm file | ||
| in `{shenyu}/shenyu-plugin/shenyu-plugin-wasm-api/src/test/rust-wasm-filter/target/wasm32-wasi/release/rust_filter.wasm` | ||
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| 4. rename the wasm file | ||
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| rename the file to `org.apache.shenyu.plugin.wasm.api.AbstractWasmPluginTest$RustWasmPlugin.wasm` |
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56 changes: 56 additions & 0 deletions
56
...rc/main/java/org/apache/shenyu/plugin/wasm/base/handler/AbstractWasmDiscoveryHandler.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.shenyu.plugin.wasm.base.handler; | ||
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| import io.github.kawamuray.wasmtime.WasmFunctions; | ||
| import io.github.kawamuray.wasmtime.WasmValType; | ||
| import org.apache.shenyu.common.dto.DiscoverySyncData; | ||
| import org.apache.shenyu.plugin.base.handler.DiscoveryUpstreamDataHandler; | ||
| import org.apache.shenyu.plugin.wasm.api.exception.ShenyuWasmInitException; | ||
| import org.apache.shenyu.plugin.wasm.api.loader.WasmLoader; | ||
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| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
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| /** | ||
| * upstreamList data change. | ||
| */ | ||
| public abstract class AbstractWasmDiscoveryHandler extends WasmLoader implements DiscoveryUpstreamDataHandler { | ||
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| protected static final Map<Long, DiscoverySyncData> ARGUMENTS = new ConcurrentHashMap<>(); | ||
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| protected static final String METHOD_NAME = "handlerDiscoveryUpstreamData"; | ||
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| @Override | ||
| public void handlerDiscoveryUpstreamData(final DiscoverySyncData discoverySyncData) { | ||
| super.getWasmExtern(METHOD_NAME) | ||
| .map(handlerDiscoveryUpstreamData -> { | ||
| // WASI cannot easily pass Java objects like JNI, here we pass Long as arg | ||
| // then we can get the argument by Long | ||
| final Long argumentId = getArgumentId(discoverySyncData); | ||
| ARGUMENTS.put(argumentId, discoverySyncData); | ||
| // call WASI function | ||
| WasmFunctions.consumer(super.getStore(), handlerDiscoveryUpstreamData.func(), WasmValType.I64) | ||
| .accept(argumentId); | ||
| ARGUMENTS.remove(argumentId); | ||
| return argumentId; | ||
| }).orElseThrow(() -> new ShenyuWasmInitException(METHOD_NAME + " function not find in wasm file: " + getWasmName())); | ||
| } | ||
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| protected abstract Long getArgumentId(DiscoverySyncData discoverySyncData); | ||
| } |
77 changes: 77 additions & 0 deletions
77
...src/main/java/org/apache/shenyu/plugin/wasm/base/handler/AbstractWasmMetaDataHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.shenyu.plugin.wasm.base.handler; | ||
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| import io.github.kawamuray.wasmtime.Extern; | ||
| import io.github.kawamuray.wasmtime.WasmFunctions; | ||
| import io.github.kawamuray.wasmtime.WasmValType; | ||
| import org.apache.shenyu.common.dto.MetaData; | ||
| import org.apache.shenyu.plugin.base.handler.MetaDataHandler; | ||
| import org.apache.shenyu.plugin.wasm.api.exception.ShenyuWasmInitException; | ||
| import org.apache.shenyu.plugin.wasm.api.loader.WasmLoader; | ||
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| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
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| /** | ||
| * The type abstract wasm metadata subscriber. | ||
| */ | ||
| public abstract class AbstractWasmMetaDataHandler extends WasmLoader implements MetaDataHandler { | ||
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| protected static final Map<Long, MetaData> ARGUMENTS = new ConcurrentHashMap<>(); | ||
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| protected static final String HANDLE_METHOD_NAME = "handle"; | ||
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| protected static final String REMOVE_METHOD_NAME = "remove"; | ||
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| protected static final String REFRESH_METHOD_NAME = "refresh"; | ||
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| @Override | ||
| public void handle(final MetaData metaData) { | ||
| super.getWasmExtern(HANDLE_METHOD_NAME) | ||
| .map(handle -> callWASI(metaData, handle)) | ||
| .orElseThrow(() -> new ShenyuWasmInitException(HANDLE_METHOD_NAME + " function not find in wasm file: " + getWasmName())); | ||
| } | ||
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| @Override | ||
| public void remove(final MetaData metaData) { | ||
| super.getWasmExtern(REMOVE_METHOD_NAME) | ||
| .map(remove -> callWASI(metaData, remove)) | ||
| .orElseThrow(() -> new ShenyuWasmInitException(REMOVE_METHOD_NAME + " function not find in wasm file: " + getWasmName())); | ||
| } | ||
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| private Long callWASI(final MetaData metaData, final Extern execute) { | ||
| // WASI cannot easily pass Java objects like JNI, here we pass Long as arg | ||
| // then we can get the argument by Long | ||
| final Long argumentId = getArgumentId(metaData); | ||
| ARGUMENTS.put(argumentId, metaData); | ||
| // call WASI function | ||
| WasmFunctions.consumer(super.getStore(), execute.func(), WasmValType.I64) | ||
| .accept(argumentId); | ||
| ARGUMENTS.remove(argumentId); | ||
| return argumentId; | ||
| } | ||
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| protected abstract Long getArgumentId(MetaData metaData); | ||
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| @Override | ||
| public void refresh() { | ||
| super.getWasmExtern(REFRESH_METHOD_NAME) | ||
| .ifPresent(refresh -> WasmFunctions.consumer(super.getStore(), refresh.func()).accept()); | ||
| } | ||
| } |
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