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whyclj

2020-10-20 40436887f67d5ea4713908ff9dcbd07121b62d86

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package com.dev.data; 
 
import java.io.IOException; 
import java.net.DatagramPacket; 
import java.net.DatagramSocket; 
import java.net.UnknownHostException; 
import java.nio.ByteBuffer; 
import java.nio.ByteOrder; 
import java.util.Date; 
import java.util.List; 
 
import com.base.BaseData; 
import com.base.Com; 
import com.base.ComBase; 
import com.base.ComFn; 
import com.config.AppConfig; 
import com.sql.MysqlConnPool; 
 
/** 
 *     Äæ±äµçÔ´UDP±¨ÎĽÓÊÕÏß³Ì 
 * @author LiJun 
 * 
 */ 
public class InverterPowerUDPServer_Thread implements Runnable{ 
     
    public MysqlConnPool conn_pool; 
    public List<Device_inf> devices; 
    public AppConfig cfg; 
     
    public static final int server_port = 6600; 
    public static final int MAX_DATA_COUNT = 512;                    //×î´óÊý¾Ý°ü³¤¶È 
     
    public InverterPowerUDPServer_Thread(MysqlConnPool conn_pool,List<Device_inf> devices,AppConfig cfg) { 
        this.conn_pool = conn_pool; 
        this.devices = devices; 
        this.cfg = cfg; 
    } 
 
    @Override 
    public void run() { 
        System.out.println("InverterPowerUDPServer_Thread start at "+Com.getDateTimeFormat(new Date(), Com.DTF_YMDhms)); 
        try { 
            byte[] data = null; 
            int conn_error_count = 0; 
            while(true) { 
                DatagramSocket ds = null; 
                try { 
                    data = new byte[MAX_DATA_COUNT]; 
                    DatagramPacket packet = new DatagramPacket(data, data.length); 
                    //¼àÌýÖ¸¶¨µÄ¶Ë¿ÚºÅ 
                    ds = new DatagramSocket(server_port); 
                    ds.setSoTimeout(5000); 
                    conn_error_count = 0; 
                    while (true) { 
                        try { 
                            ds.receive(packet);                         
                            byte[] headCount = new byte[2]; 
                             
                            System.arraycopy(data, 0, headCount, 0, headCount.length); 
                            BaseData basedata = new BaseData(); 
                            ByteBuffer bf = ByteBuffer.allocate(createPackHeadCount(data)); 
                            if(createPackHeadCount(data) > data.length) { 
                                continue;            //Êý¾ÝÖ¡³¬±êÅÐ¶Ï 
                            } 
                            bf.order(ByteOrder.LITTLE_ENDIAN); 
                            bf.put(data,0,createPackHeadCount(data)); 
                            bf.flip(); 
                            //BaseData.udpCheck(bf.array()); 
                            //System.out.println(packet.getSocketAddress()); 
                            //System.out.println(ds.getLocalSocketAddress().toString()); 
                            //System.out.println("½ÓÊÕµ½Äæ±äµçԴϵͳ:"+ComFn.bytesToHexString(data, createPackHeadCount(data))); 
                            //System.out.println(""); 
                            if(basedata.putNiBianByteBuffer(bf,cfg.isEquie_device_udppackage_cheak())) { 
                                //System.out.println(basedata.data.length); 
                                String client_ip = packet.getSocketAddress().toString(); 
                                if(basedata.packtype == BaseData.NiBianPower_DevType) { 
                                    RecordUDPPackage.RecordUDPPackageData(RecordUDPPackage.PackageType_InverPower, client_ip, bf.array()); 
                                     
                                    InverterPower_Thread power_thread = new InverterPower_Thread(conn_pool, devices, basedata,client_ip); 
                                    new Thread(power_thread).start(); 
                                    Dev_UDPServer_Thread.thread_count++; 
                                } 
                            } 
                        } catch (Exception e) { 
                            conn_error_count ++; 
                            if(conn_error_count >=6) { 
                                break; 
                            } 
                            e.printStackTrace(); 
                        } 
                        //²âÊÔ³ÌÐòÒì³£Çé¿öÏ£¬³ÌÐòÄÜ·ñ¼ÌÐøÔËÐÐ 
                        //System.out.println(1/0); 
                        Thread.sleep(10); 
                    } 
                } catch (Exception e) { 
                    Thread.sleep(100); 
                    e.printStackTrace(); 
                } finally { 
                    if(ds != null) { 
                        try { 
                            ds.close(); 
                        } catch (Exception e) { 
                            e.printStackTrace(); 
                        } 
                    } 
                } 
            } 
        } catch (Exception e1) { 
            e1.printStackTrace(); 
        } finally { 
             
        } 
    } 
     
    /** 
     *     »ñÈ¡Êý¾ÝÍ·µÄ³¤¶È 
     * @param b 
     * @return 
     */ 
    public static int createPackHeadCount(byte[] b) { 
        ByteBuffer bf = ByteBuffer.allocate(b.length); 
        bf.order(ByteOrder.LITTLE_ENDIAN); 
        bf.put(b); 
        bf.flip(); 
        return ComBase.changeShortToInt(bf.getShort()); 
         
    } 
     
    public static void main(String[] args) { 
        int i = 0x0001; 
        System.out.println(i+"==="+(~i)); 
         
        byte[] b = ComFn.hex2Bytes("5600"); 
        System.out.println(ComFn.bytesToHexString(b, b.length)+"=="+createPackHeadCount(b)); 
    } 
     
}