package com.dy.rtuMw.server.tasks;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import com.dy.common.mw.core.CoreTask;
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import com.dy.common.mw.protocol.MidResult;
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import com.dy.common.mw.protocol.Command;
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import com.dy.common.mw.protocol.Driver;
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import com.dy.common.mw.protocol.ProtocolCache;
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import com.dy.rtuMw.server.ServerProperties;
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import com.dy.rtuMw.server.forTcp.TcpSessionCache;
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/**
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* 从web业务系统发向RTU的命令任务
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* @author Administrator
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*
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*/
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public class WebDownComTask extends CoreTask {
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private static Logger log = LogManager.getLogger(WebDownComTask.class.getName());
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@Override
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public Integer execute() {
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Command com = (Command)this.data ;
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try {
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log.info("下发远程命令" + com.getCode() + "的核心任务开始执行");
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this.deal(com);
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} catch (Exception e) {
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log.error("处理下行命令出错" + (e.getMessage()==null?"!":("，" + e.getMessage())) ,e);
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}
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return null ;
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}
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/**
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* 处理命令
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* @param com 命令
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* @throws Exception
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*/
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private void deal(Command com) throws Exception{
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String rtuAddr = com.getRtuAddr() ;
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//前面已经判断rtuAddr为空情况，至此其不为空
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Driver dri = null ;
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Object[] objs = TcpSessionCache.getTcpProtocolNameVersion(rtuAddr) ;
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if(objs == null || objs.length == 0 || objs[0] == null){
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//RTU未曾上线
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int count = ProtocolCache.driverCount() ;
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if(count == 1){
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//只有一个协议
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dri = ProtocolCache.getFirstDriver() ;
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}
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}else{
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String protocolName = (String)objs[0];
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com.protocolVersion = (Short)objs[1];
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dri = ProtocolCache.getDriver(protocolName, com.protocolVersion) ;
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}
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if(dri == null){
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log.error("严重错误，未能得到RTU(" + rtuAddr + ")驱动类实例！");
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}else{
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MidResult[] actions = dri.createCommand(ServerProperties.isLowPower, com) ;
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log.info("下发远程命令" + com.getCode() + "由协议驱动构造完成");
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if(actions != null){
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for(MidResult act : actions){
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act.action();
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}
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}
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}
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}
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}
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