moremind commented on code in PR #5595: URL: https://github.com/apache/shenyu/pull/5595#discussion_r1679149437
########## shenyu-examples/shenyu-examples-plugin-wasm/src/main/java/org/apache/shenyu/examples/plugin/wasm/RustHttpClientPlugin.java: ########## @@ -0,0 +1,117 @@ +/* + * 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.shenyu.examples.plugin.wasm; + +import com.google.gson.JsonObject; +import io.github.kawamuray.wasmtime.Func; +import io.github.kawamuray.wasmtime.Store; +import io.github.kawamuray.wasmtime.WasmFunctions; +import io.github.kawamuray.wasmtime.WasmValType; +import org.apache.shenyu.common.constant.Constants; +import org.apache.shenyu.common.enums.PluginEnum; +import org.apache.shenyu.common.exception.ShenyuException; +import org.apache.shenyu.plugin.api.ShenyuPluginChain; +import org.apache.shenyu.plugin.api.result.ShenyuResultEnum; +import org.apache.shenyu.plugin.api.utils.WebFluxResultUtils; +import org.apache.shenyu.plugin.wasm.api.AbstractWasmPlugin; +import org.springframework.web.server.ServerWebExchange; +import reactor.core.publisher.Mono; + +import java.net.URI; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; + +/** + * The type RustHttpClientPlugin. + */ +public class RustHttpClientPlugin extends AbstractWasmPlugin { + + private static final Map<Long, String> PARAMS = new ConcurrentHashMap<>(); + + private static final Map<Long, String> RESULTS = new ConcurrentHashMap<>(); + + @Override + protected Mono<Void> doExecute(final ServerWebExchange exchange, final ShenyuPluginChain chain, final Long argumentId) { + final String result = RESULTS.get(argumentId); + return WebFluxResultUtils.result(exchange, result); + } + + @Override + protected Long getArgumentId(final ServerWebExchange exchange, final ShenyuPluginChain chain) { + final UUID uuid = UUID.randomUUID(); + final long argumentId = uuid.getMostSignificantBits() ^ uuid.getLeastSignificantBits(); + final String httpMethod = exchange.getRequest().getMethodValue(); + final URI uri = exchange.getAttribute(Constants.HTTP_URI); + if (Objects.isNull(uri)) { + throw new ShenyuException(ShenyuResultEnum.CANNOT_FIND_URL.getMsg()); + } + // In this example, only GET requests are supported + JsonObject json = new JsonObject(); + json.addProperty("method", httpMethod); + json.addProperty("uri", uri.toString()); + PARAMS.put(argumentId, json.toString()); + return argumentId; + } + + @Override + protected Map<String, Func> initWasmCallJavaFunc(final Store<Void> store) { + Map<String, Func> funcMap = new HashMap<>(); + funcMap.put("get_args", WasmFunctions.wrap(store, WasmValType.I64, WasmValType.I64, WasmValType.I32, WasmValType.I32, + (argId, addr, len) -> { + String config = PARAMS.get(argId); + LOG.info("java side put->{}", config); + ByteBuffer buf = super.getBuffer(); + for (int i = 0; i < len && i < config.length(); i++) { + buf.put(addr.intValue() + i, (byte) config.charAt(i)); + } + return Math.min(config.length(), len); + })); + funcMap.put("put_result", WasmFunctions.wrap(store, WasmValType.I64, WasmValType.I64, WasmValType.I32, + (argId, addr, len) -> { + ByteBuffer buf = super.getBuffer(); + byte[] bytes = new byte[len]; + for (int i = 0; i < len; i++) { + bytes[i] = buf.get(addr.intValue() + i); + } + String result = new String(bytes, StandardCharsets.UTF_8); + RESULTS.put(argId, result); + LOG.info("java side get->{}", result); + })); + return funcMap; + } + + @Override + public int getOrder() { + return PluginEnum.NETTY_HTTP_CLIENT.getCode() - 1; + } + + @Override + public boolean skip(final ServerWebExchange exchange) { + return skipExceptHttpLike(exchange); + } + + @Override + public String named() { + return "rustHttpClient"; Review Comment: create RustHttpClient ########## shenyu-examples/shenyu-examples-plugin-wasm/src/main/java/org/apache/shenyu/examples/plugin/wasm/RustHttpClientPlugin.java: ########## @@ -0,0 +1,117 @@ +/* + * 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.shenyu.examples.plugin.wasm; + +import com.google.gson.JsonObject; +import io.github.kawamuray.wasmtime.Func; +import io.github.kawamuray.wasmtime.Store; +import io.github.kawamuray.wasmtime.WasmFunctions; +import io.github.kawamuray.wasmtime.WasmValType; +import org.apache.shenyu.common.constant.Constants; +import org.apache.shenyu.common.enums.PluginEnum; +import org.apache.shenyu.common.exception.ShenyuException; +import org.apache.shenyu.plugin.api.ShenyuPluginChain; +import org.apache.shenyu.plugin.api.result.ShenyuResultEnum; +import org.apache.shenyu.plugin.api.utils.WebFluxResultUtils; +import org.apache.shenyu.plugin.wasm.api.AbstractWasmPlugin; +import org.springframework.web.server.ServerWebExchange; +import reactor.core.publisher.Mono; + +import java.net.URI; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; + +/** + * The type RustHttpClientPlugin. + */ +public class RustHttpClientPlugin extends AbstractWasmPlugin { + + private static final Map<Long, String> PARAMS = new ConcurrentHashMap<>(); + + private static final Map<Long, String> RESULTS = new ConcurrentHashMap<>(); + + @Override + protected Mono<Void> doExecute(final ServerWebExchange exchange, final ShenyuPluginChain chain, final Long argumentId) { + final String result = RESULTS.get(argumentId); + return WebFluxResultUtils.result(exchange, result); + } + + @Override + protected Long getArgumentId(final ServerWebExchange exchange, final ShenyuPluginChain chain) { + final UUID uuid = UUID.randomUUID(); + final long argumentId = uuid.getMostSignificantBits() ^ uuid.getLeastSignificantBits(); + final String httpMethod = exchange.getRequest().getMethodValue(); + final URI uri = exchange.getAttribute(Constants.HTTP_URI); + if (Objects.isNull(uri)) { + throw new ShenyuException(ShenyuResultEnum.CANNOT_FIND_URL.getMsg()); + } + // In this example, only GET requests are supported + JsonObject json = new JsonObject(); + json.addProperty("method", httpMethod); + json.addProperty("uri", uri.toString()); + PARAMS.put(argumentId, json.toString()); + return argumentId; + } + + @Override + protected Map<String, Func> initWasmCallJavaFunc(final Store<Void> store) { + Map<String, Func> funcMap = new HashMap<>(); + funcMap.put("get_args", WasmFunctions.wrap(store, WasmValType.I64, WasmValType.I64, WasmValType.I32, WasmValType.I32, + (argId, addr, len) -> { + String config = PARAMS.get(argId); + LOG.info("java side put->{}", config); + ByteBuffer buf = super.getBuffer(); + for (int i = 0; i < len && i < config.length(); i++) { + buf.put(addr.intValue() + i, (byte) config.charAt(i)); + } + return Math.min(config.length(), len); + })); + funcMap.put("put_result", WasmFunctions.wrap(store, WasmValType.I64, WasmValType.I64, WasmValType.I32, + (argId, addr, len) -> { + ByteBuffer buf = super.getBuffer(); + byte[] bytes = new byte[len]; + for (int i = 0; i < len; i++) { + bytes[i] = buf.get(addr.intValue() + i); + } + String result = new String(bytes, StandardCharsets.UTF_8); + RESULTS.put(argId, result); + LOG.info("java side get->{}", result); + })); + return funcMap; + } + + @Override + public int getOrder() { + return PluginEnum.NETTY_HTTP_CLIENT.getCode() - 1; Review Comment: why not new plugin order? -- This is an automated message from the Apache Git Service. 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