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添加 covert脚本 js解析

V0.5.x
jay 2023-02-25 21:59:10 +08:00
parent e3461e1082
commit 63a905c01f
5 changed files with 332 additions and 0 deletions
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16
iot-components/iot-component-converter/pom.xml
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@ -33,6 +33,22 @@
<artifactId>iot-model</artifactId>
</dependency>
<!--javascript运行环境-->
<dependency>
<groupId>org.graalvm.sdk</groupId>
<artifactId>graal-sdk</artifactId>
</dependency>
<dependency>
<groupId>org.graalvm.js</groupId>
<artifactId>js</artifactId>
</dependency>
<dependency>
<groupId>org.graalvm.js</groupId>
<artifactId>js-scriptengine</artifactId>
</dependency>
</dependencies>
</project>

47
iot-components/iot-component-converter/src/main/java/cc/iotkit/converter/CovertUtils.java Normal file
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@ -0,0 +1,47 @@
package cc.iotkit.converter;
import org.graalvm.polyglot.Value;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class CovertUtils {
private static final Map<Class<?>, Map<String, Field>> FIELD_CACHE = new ConcurrentHashMap<>();
private static final Map<Class<?>, Map<String, Method>> SETTER_CACHE = new ConcurrentHashMap<>();
public static void copyProperties(Object javaObj, Value jsObj) {
Map<String, Field> fieldMap = FIELD_CACHE.computeIfAbsent(javaObj.getClass(), clazz -> {
Map<String, Field> fields = new ConcurrentHashMap<>();
for (Field field : clazz.getDeclaredFields()) {
fields.put(field.getName(), field);
}
return fields;
});
Map<String, Method> setterMap = SETTER_CACHE.computeIfAbsent(javaObj.getClass(), clazz -> {
Map<String, Method> setters = new ConcurrentHashMap<>();
for (Method method : clazz.getDeclaredMethods()) {
if (method.getName().startsWith("set") && method.getParameterCount() == 1) {
String propName = method.getName().substring(3, 4).toLowerCase() + method.getName().substring(4);
setters.put(propName, method);
}
}
return setters;
});
for (String propName : jsObj.getMemberKeys()) {
try {
Field field = fieldMap.get(propName);
Method setter = setterMap.get(propName);
if (field != null && setter != null) {
Class<?> propType = field.getType();
Object propValue = jsObj.getMember(propName).as(propType);
setter.invoke(javaObj, propValue);
}
} catch (Exception e) {
// ignore errors
}
}
}
}

77
iot-components/iot-component-converter/src/main/java/cc/iotkit/converter/GraalJsScriptConverter.java Normal file
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@ -0,0 +1,77 @@
/*
* +----------------------------------------------------------------------
* | Copyright (c) 奇特物联 2021-2022 All rights reserved.
* +----------------------------------------------------------------------
* | Licensed 未经许可不能去掉「奇特物联」相关版权
* +----------------------------------------------------------------------
* | Author: xw2sy@163.com
* +----------------------------------------------------------------------
*/
package cc.iotkit.converter;
import cc.iotkit.common.thing.ThingService;
import cc.iotkit.common.utils.JsonUtil;
import cc.iotkit.model.device.message.ThingModelMessage;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.beanutils.BeanUtils;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import java.util.Map;
import org.graalvm.polyglot.*;
@Slf4j
@Data
public class GraalJsScriptConverter implements IConverter {
private final Context context = Context.newBuilder("js").allowHostAccess(true).build();
private Object scriptObj;
private Value decoder;
private Value encoder;
public void setScript(String script) {
Value myFunctions = context.eval("js",String.format("new (function () {\n%s})()", script));
// 调用JavaScript函数
decoder = myFunctions.getMember("decode");
encoder = myFunctions.getMember("encode");
}
public ThingModelMessage decode(DeviceMessage msg) {
try {
// String msgJson = JsonUtil.toJsonString(msg);
Value rst = decoder.execute(msg);
ThingModelMessage modelMessage = new ThingModelMessage();
CovertUtils.copyProperties(modelMessage, rst);
return modelMessage;
} catch (Throwable e) {
log.error("execute decode script error", e);
}
return null;
}
@Override
public DeviceMessage encode(ThingService<?> service, Device device) {
try {
Value rst = encoder.execute(service,device);
DeviceMessage modelMessage = rst.as(DeviceMessage.class);
return modelMessage;
} catch (Throwable e) {
log.error("execute encode script error", e);
}
return null;
}
@Override
public void putScriptEnv(String key, Object value) {
context.getBindings("js").putMember(key, value);
}
}

173
iot-components/iot-mqtt-component/src/main/resources/graaljsconverter.js Normal file
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@ -0,0 +1,173 @@
var mid=1;
function getMid(){
mid++;
if(mid>10000){
mid=1;
}
return mid+"";
}
this.decode = function (msg) {
//对msg进行解析，并返回物模型数据
var content=msg.getContent();
var topic = content.topic;
var payload = content.payload;
var identifier = topic.substring(topic.lastIndexOf("/") + 1);
//透传上报
if(topic.endsWith("/event/rawReport")){
var rst= component.transparentDecode(payload.params);
if(!rst){
return null;
}
rst.occur=new Date().getTime();
rst.time=new Date().getTime();
return rst;
}
if (topic.endsWith("/property/post")) {
//属性上报
return {
mid: msg.mid,
productKey: msg.productKey,
deviceName: msg.deviceName,
type:"property",
identifier: "report", //属性上报
occur: new Date().getTime(), //时间戳，设备上的事件或数据产生的本地时间
time: new Date().getTime(), //时间戳，消息上报时间
data: payload,
};
} else if (topic.indexOf("/event/") > 0) {
//事件上报
return {
mid: msg.mid,
productKey: msg.productKey,
deviceName: msg.deviceName,
type:"event",
identifier: identifier,
occur: new Date().getTime(),
time: new Date().getTime(),
data: payload,
};
}else if(topic.endsWith("/service/property/set_reply")){
//属性设置回复
return {
mid: msg.mid,
productKey: msg.productKey,
deviceName: msg.deviceName,
type:"property",
identifier: identifier,
occur: new Date().getTime(),
time: new Date().getTime(),
code: payload.code
};
}else if(topic.endsWith("/config/set_reply")){
//设备配置设置回复
return {
mid: msg.mid,
productKey: msg.productKey,
deviceName: msg.deviceName,
type:"config",
identifier: "set_reply",
occur: new Date().getTime(),
time: new Date().getTime(),
code: payload.code
};
}else if(topic.endsWith("/config/get")){
//设备配置获取
return {
mid: msg.mid,
productKey: msg.productKey,
deviceName: msg.deviceName,
type:"config",
identifier: "get",
occur: new Date().getTime(),
time: new Date().getTime(),
data: {},
};
} else if (topic.endsWith("_reply")) {
//服务回复
return {
mid: msg.mid,
productKey: msg.productKey,
deviceName: msg.deviceName,
type:"service",
identifier: identifier,
occur: new Date().getTime(),
time: new Date().getTime(),
code: payload.code,
data: payload.data,
};
}
return null;
};
this.encode = function (service,device) {
var deviceMid=getMid();
var method="thing.service.";
var topic="/sys/"+service.productKey+"/"+service.deviceName+"/c/service/";
var params={};
//透传下发
if(device.transparent){
var rst=component.transparentEncode(service,device);
topic="/sys/"+rst.productKey+"/"+rst.deviceName+"/c/service/rawSend";
params.model=rst.content.model;
params.deviceName=rst.content.deviceName;
params.data=rst.content.data;
return {
productKey:rst.productKey,
deviceName:rst.deviceName,
mid:rst.mid,
content:{
topic:topic,
payload:JSON.stringify({
id:rst.mid,
method:method+"rawSend",
params:params
})
}
}
}
var type=service.type;
var identifier=service.identifier;
if(type=="property"){
method+="property."+identifier;
topic+="property/"+identifier;
}else if(type=="service"){
method+=identifier;
topic+=identifier;
}else if(type=="config"){
//设备配置下发
method+=identifier;
topic="/sys/"+service.productKey+"/"+service.deviceName+"/c/config/"+identifier;
}else if(type="lifetime"){
//子设备注销下发
method+=identifier;
topic="/sys/"+service.productKey+"/"+service.deviceName+"/c/deregister";
}
for(var p in service.params){
params[p]=service.params[p];
}
return {
productKey:service.productKey,
deviceName:service.deviceName,
mid:deviceMid,
content:{
topic:topic,
payload:JSON.stringify({
id:deviceMid,
method:method,
params:params
})
}
}
};

19
pom.xml
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@ -31,6 +31,7 @@
<java.version>11</java.version>
<vertx.version>4.2.2</vertx.version>
<sa-token.version>1.30.0</sa-token.version>
<graalvm.version>21.1.0</graalvm.version>
</properties>
<dependencyManagement>
@ -328,6 +329,24 @@
<version>${project.version}</version>
</dependency>
<!--javascript运行环境-->
<dependency>
<groupId>org.graalvm.sdk</groupId>
<artifactId>graal-sdk</artifactId>
<version>${graalvm.version}</version>
</dependency>
<dependency>
<groupId>org.graalvm.js</groupId>
<artifactId>js</artifactId>
<version>${graalvm.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.graalvm.js</groupId>
<artifactId>js-scriptengine</artifactId>
<version>${graalvm.version}</version>
</dependency>
</dependencies>
</dependencyManagement>