Jtt1078Handler.java
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package com.genersoft.iot.vmp.jtt1078.server;
import com.genersoft.iot.vmp.jtt1078.publisher.Channel;
import com.genersoft.iot.vmp.jtt1078.publisher.PublishManager;
import com.genersoft.iot.vmp.jtt1078.util.Packet;
import com.genersoft.iot.vmp.vmanager.jt1078.platform.Jt1078OfCarController;
import com.genersoft.iot.vmp.vmanager.jt1078.platform.config.DataBuffer;
import com.genersoft.iot.vmp.vmanager.jt1078.platform.domain.SimFlow;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.timeout.IdleState;
import io.netty.handler.timeout.IdleStateEvent;
import io.netty.util.AttributeKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.data.redis.core.StringRedisTemplate;
import java.math.BigDecimal;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import static com.genersoft.iot.vmp.VManageBootstrap.getBean;
/**
* Created by matrixy on 2019/4/9.
*/
public class Jtt1078Handler extends SimpleChannelInboundHandler<Packet>
{
private static ApplicationContext applicationContext;
static Logger logger = LoggerFactory.getLogger(Jtt1078Handler.class);
private static final AttributeKey<Session> SESSION_KEY = AttributeKey.valueOf("session-key");
private Integer port;
public Jtt1078Handler(Integer port) {
this.port = port;
}
public Jtt1078Handler() {
}
/**
* 流来
*/
@Override
protected void channelRead0(ChannelHandlerContext ctx, Packet packet) throws Exception
{
io.netty.channel.Channel nettyChannel = ctx.channel();
packet.seek(8);
String sim = packet.nextBCD() + packet.nextBCD() + packet.nextBCD() + packet.nextBCD() + packet.nextBCD() + packet.nextBCD();
int channel = packet.nextByte() & 0xff;
String tag = sim + "-" + channel;
tag = tag.replaceAll("^0+", "");
if (port != null){
Set<String> set = Jt1078OfCarController.map.get(port);
String findSet = Jt1078OfCarController.getFindSet(set, tag);
if (findSet != null){
tag = findSet + "_" + port;
}else {
return;
}
}
StringRedisTemplate redisTemplate = getBean(StringRedisTemplate.class);
if (redisTemplate.opsForSet().add("tag:" + tag, tag) > 0){
redisTemplate.expire("tag:" + tag, 60, TimeUnit.SECONDS);
logger.info("[ {} ] --> 流接收成功 ",tag);
}else {
redisTemplate.expire("tag:" + tag, 60, TimeUnit.SECONDS);
}
double num = new BigDecimal(packet.size()).divide(new BigDecimal(1024 * 1024 * 1024), 10, BigDecimal.ROUND_HALF_UP).doubleValue();
DataBuffer simFlowDataBuffer = getBean(DataBuffer.class);
if (simFlowDataBuffer != null) {
simFlowDataBuffer.setValue(SimFlow.build(sim,String.valueOf(channel),num));
}
if (SessionManager.contains(nettyChannel, "tag") == false)
{
Channel chl = PublishManager.getInstance().open(tag);
SessionManager.set(nettyChannel, "tag", tag);
logger.info("start publishing: {} -> {}-{}", Long.toHexString(chl.hashCode() & 0xffffffffL), sim, channel);
}
Integer sequence = SessionManager.get(nettyChannel, "video-sequence");
if (sequence == null) sequence = 0;
// 1. 做好序号
// 2. 音频需要转码后提供订阅
int lengthOffset = 28;
int dataType = (packet.seek(15).nextByte() >> 4) & 0x0f;
int pkType = packet.seek(15).nextByte() & 0x0f;
// 透传数据类型：0100，没有后面的时间以及Last I Frame Interval和Last Frame Interval字段
if (dataType == 0x04) lengthOffset = 28 - 8 - 2 - 2;
else if (dataType == 0x03) lengthOffset = 28 - 4;
int pt = packet.seek(5).nextByte() & 0x7f;
if (dataType == 0x00 || dataType == 0x01 || dataType == 0x02)
{
// 碰到结束标记时，序号+1
if (pkType == 0 || pkType == 2)
{
sequence += 1;
SessionManager.set(nettyChannel, "video-sequence", sequence);
}
long timestamp = packet.seek(16).nextLong();
PublishManager.getInstance().publishVideo(tag, sequence, timestamp, pt, packet.seek(lengthOffset + 2).nextBytes());
}
else if (dataType == 0x03)
{
long timestamp = packet.seek(16).nextLong();
byte[] data = packet.seek(lengthOffset + 2).nextBytes();
PublishManager.getInstance().publishAudio(tag, sequence, timestamp, pt, data);
}
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception
{
super.channelInactive(ctx);
release(ctx.channel());
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception
{
// super.exceptionCaught(ctx, cause);
cause.printStackTrace();
release(ctx.channel());
ctx.close();
}
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (IdleStateEvent.class.isAssignableFrom(evt.getClass())) {
IdleStateEvent event = (IdleStateEvent) evt;
if (event.state() == IdleState.READER_IDLE) {
String tag = SessionManager.get(ctx.channel(), "tag");
logger.info("read timeout: {}",tag);
release(ctx.channel());
}
}
}
private void release(io.netty.channel.Channel channel)
{
String tag = SessionManager.get(channel, "tag");
if (tag != null)
{
logger.info("close netty channel: {}", tag);
PublishManager.getInstance().close(tag);
}
}
}