AeroflexVirtualBoxHandler.java
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package com.example.mina.boxhandler;
import com.example.mina.base.AbstractVirtualBoxHandler;
import com.example.mina.entity.AeroflexDataBuffer;
import com.example.mina.util.StrUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.session.IoSession;
/**
* @author 杜云山
* @date 21/03/05
*/
@Slf4j
public class AeroflexVirtualBoxHandler extends AbstractVirtualBoxHandler {
private static final byte[] ERROR = "ERROR".getBytes();
private static final byte[] NONE = "OK".getBytes();
private static final String SET_ALL = "ATTN ALL MAX";
private static final String SET_ONE = "ATTN";
private static final String GET_ONE = "ATTN?";
private static final String SPACE_SPLIT = " ";
private static final String SEMICOLON_SPLIT = ";";
private AeroflexDataBuffer dataBuffer;
public AeroflexVirtualBoxHandler() {
this.initMatrix();
}
@Override
protected void initMatrix() {
int row = 10;
int col = 1;
int maxAttenuate = 888;
dataBuffer = new AeroflexDataBuffer(row, maxAttenuate);
}
@Override
public void messageReceived(IoSession session, Object message) {
IoBuffer ioBuffer = (IoBuffer) message;
byte[] bytes = ioBuffer.array();
byte[] result = handleMessage(bytes, bytes.length);
session.write(IoBuffer.wrap(result));
}
@Override
protected byte[] handleMessage(byte[] cmd, int len) {
String command = new String(cmd).trim();
log.info("aeroflexVirtualBoxHandler receive: {}", command);
if (command.startsWith(SET_ALL)) {
//set all to max
for (int i = 1; i < dataBuffer.getMaxRow(); i++) {
dataBuffer.setOffset(i, dataBuffer.getMaxAttenuate());
}
return NONE;
} else if (command.startsWith(GET_ONE)) {
//get
String[] sss = command.split(SPACE_SPLIT);
if (sss.length >= 2) {
int row = StrUtil.toInt(sss[1]);
if (row >= 0 && row <= dataBuffer.getMaxRow()) {
String str = String.valueOf(dataBuffer.getOffset(row));
log.info("aeroflexVirtualBoxHandler return: {}", str);
return str.getBytes();
}
}
return ERROR;
} else if (command.startsWith(SET_ONE)) {
//Set, Follow by ATTN?
String[] aa = command.split(SEMICOLON_SPLIT);
String[] sss = aa[0].split(SPACE_SPLIT);
if (sss.length >= 3) {
int row = StrUtil.toInt(sss[1]);
int val = StrUtil.toInt(sss[2]);
if (row >= 0 && row <= dataBuffer.getMaxRow()) {
if (val >= 0 && val <= dataBuffer.getMaxAttenuate()) {
dataBuffer.setOffset(row, val);
String str = String.valueOf(dataBuffer.getOffset(row));
log.info("aeroflexVirtualBoxHandler return =====> {}", str);
return str.getBytes();
}
}
}
return ERROR;
} else {
return ERROR;
}
}
@Override
public void sessionCreated(IoSession session) {
log.info("--- abstractVirtual server session created");
}
@Override
public void sessionOpened(IoSession session) {
log.info("--- abstractVirtual server session Opened");
}
@Override
public void sessionClosed(IoSession session) {
log.info("--- abstractVirtual server session Closed");
}
@Override
public void messageSent(IoSession session, Object message) {
log.info("--- abstractVirtual 发送数据成功!{}", message);
}
}