package com.zy.core.thread;
|
|
import com.core.common.Cools;
|
import com.zy.utils.News;
|
import com.zy.core.Slave;
|
import com.zy.core.ThreadHandler;
|
import lombok.Data;
|
import lombok.extern.slf4j.Slf4j;
|
|
import java.io.DataInputStream;
|
import java.io.DataOutputStream;
|
import java.io.IOException;
|
import java.net.InetSocketAddress;
|
import java.net.Socket;
|
import java.net.SocketAddress;
|
import java.net.SocketTimeoutException;
|
|
/**
|
* 磅秤线程
|
* Created by vincent on 2020/8/4
|
*/
|
@Data
|
@Slf4j
|
public class ScaleThread implements Runnable, ThreadHandler {
|
|
private Slave slave;
|
private Double scale = 0.0D;
|
private Socket socket;
|
private DataOutputStream dataOutputStream;
|
private DataInputStream dataInputStream;
|
|
public ScaleThread(Slave slave) {
|
this.slave = slave;
|
}
|
|
@Override
|
@SuppressWarnings("InfiniteLoopStatement")
|
public void run() {
|
connect();
|
while (true) {
|
try {
|
byte[] read = read(8, 100);
|
if (null != read) {
|
String s = new String(read);
|
if (!Cools.isEmpty(s) && s.startsWith("=")) {
|
scale = Double.parseDouble(s.substring(1));
|
}
|
}
|
Thread.sleep(100);
|
} catch (SocketTimeoutException ignore) {
|
} catch (Exception e) {
|
// e.printStackTrace();
|
}
|
}
|
}
|
|
@Override
|
public boolean connect() {
|
try {
|
close(); //1.主动释放连接 //2.某些服务器对指定ip有链路数限制
|
socket = new Socket();
|
//socket.setKeepAlive(true);
|
SocketAddress socketAddress = new InetSocketAddress(slave.getIp(), slave.getPort());
|
socket.connect(socketAddress, 1000); //某些服务器ping延迟高时要增加,否则会报错connect timeout
|
dataOutputStream = new DataOutputStream(socket.getOutputStream());
|
dataInputStream = new DataInputStream(socket.getInputStream());
|
// log.info("条码扫描仪连接成功 ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort());
|
} catch (Exception e) {
|
socket = null;
|
News.error("Scale"+" - 1"+" - 条码扫描仪连接失败！！！ ===>> [id:{}] [ip:{}] [port:{}]", slave.getId(), slave.getIp(), slave.getPort());
|
return false;
|
}
|
return true;
|
}
|
|
@Override
|
public void close() {
|
try {
|
if (null != dataOutputStream) {
|
dataOutputStream.close();
|
}
|
if (null != dataInputStream) {
|
dataInputStream.close();
|
}
|
// if (null != socket && !socket.isClosed()) {
|
// socket.close();
|
// }
|
if (null != socket){
|
socket.close();
|
}
|
socket = null;
|
} catch (IOException e) {
|
News.error("Scale"+" - 2"+" - SocketClient close Exception:" + e.getMessage());
|
}
|
}
|
|
public void write(byte[] msg, int len) throws IOException {
|
if (null != dataInputStream)
|
{
|
dataOutputStream.write(msg, 0, len);
|
dataOutputStream.flush();
|
}
|
}
|
|
public byte[] read(int bufferSize, int timeOut) throws IOException {
|
// if (socket == null) {
|
// connect();
|
// }
|
connect();
|
socket.setSoTimeout(timeOut);
|
byte[] bytes = new byte[bufferSize];
|
int len = dataInputStream.read(bytes);
|
byte[] tempBytes = null;
|
if (len > 0) {
|
tempBytes = new byte[len];
|
System.arraycopy(bytes, 0, tempBytes, 0, len);
|
}
|
return tempBytes;
|
}
|
|
public boolean valid() throws Exception {
|
if (null == socket || socket.isClosed() || socket.isInputShutdown() || socket.isOutputShutdown()) {
|
if (dataInputStream != null) {
|
dataInputStream.close();
|
}
|
if (dataOutputStream != null) {
|
dataOutputStream.close();
|
}
|
if (socket != null) {
|
socket.close();
|
}
|
return false;
|
}
|
return true;
|
}
|
|
}
|
