| | |
| | | package com.ruoyi.dataInterchange.netty.client; |
| | | |
| | | import com.ruoyi.dataInterchange.netty.server.NettyHandle; |
| | | import com.ruoyi.dataInterchange.util.jtt809.common.ByteArrayUtil; |
| | | import com.ruoyi.dataInterchange.util.jtt809.common.Jtt809Constant; |
| | | import com.ruoyi.dataInterchange.util.jtt809.common.Jtt809Util; |
| | | import com.ruoyi.dataInterchange.util.jtt809.decoder.Jtt809Decoder; |
| | | import com.ruoyi.dataInterchange.util.jtt809.encoder.Jtt809Encoder; |
| | | import com.ruoyi.dataInterchange.util.jtt809.gnsscenter.GnssCenterService; |
| | | import io.netty.bootstrap.Bootstrap; |
| | | import io.netty.buffer.ByteBuf; |
| | | import io.netty.buffer.Unpooled; |
| | | import io.netty.channel.*; |
| | | import io.netty.channel.nio.NioEventLoopGroup; |
| | | import io.netty.channel.socket.SocketChannel; |
| | |
| | | import io.netty.handler.timeout.IdleStateHandler; |
| | | |
| | | import java.net.InetSocketAddress; |
| | | import java.util.HashMap; |
| | | import java.util.Map; |
| | | import java.util.concurrent.TimeUnit; |
| | | |
| | | /** |
| | |
| | | private int port; |
| | | |
| | | |
| | | |
| | | |
| | | public NettyClient(String host, int port) { |
| | | this.host = host; |
| | | this.port = port; |
| | |
| | | |
| | | /** |
| | | * 执行启动连接 |
| | | * |
| | | * @throws Exception |
| | | */ |
| | | public void start(int code) throws Exception { |
| | |
| | | // 编码器 |
| | | pipeline.addLast("encoder", new Jtt809Encoder()); |
| | | // 空闲检测处理器 触发空闲状态事件 读空闲:5秒 写空闲:7秒 读写空闲:10秒 |
| | | pipeline.addLast(new IdleStateHandler(5,7,3, TimeUnit.SECONDS)); |
| | | pipeline.addLast(new IdleStateHandler(5, 7, 3, TimeUnit.SECONDS)); |
| | | // 处理器 |
| | | pipeline.addLast("handler", new NettyHandle()); |
| | | // pipeline.addLast("handler", new NettyHandle()); |
| | | } |
| | | }); |
| | | // • 调用Bootstrap.connect()来连接服务器 |
| | |
| | | } |
| | | |
| | | public static void main(String[] args) { |
| | | try { |
| | | new NettyClient("221.182.45.100", 1000).start(1); |
| | | } catch (Exception e) { |
| | | throw new RuntimeException(e); |
| | | byte[] bytess = ByteArrayUtil.hexStr2Bytes("5B0000001F0000002B1002010A66F80100000000000000000000200C8E075D"); |
| | | ByteBuf msg = Unpooled.wrappedBuffer(bytess); |
| | | |
| | | byte[] readableBytes = new byte[msg.readableBytes()]; |
| | | msg.readBytes(readableBytes); |
| | | // 反转义处理 |
| | | byte[] bytes = Jtt809Util.unescape(readableBytes); |
| | | ByteBuf byteBuf = Unpooled.wrappedBuffer(bytes); |
| | | // 判断包头 |
| | | if (byteBuf.readByte() != Jtt809Constant.PACKET_HEAD_FLAG) { |
| | | byteBuf.resetReaderIndex(); |
| | | return; |
| | | } |
| | | // crc校验 |
| | | // if (!Jtt809Util.validate(byteBuf)) { |
| | | // return; |
| | | // } |
| | | |
| | | /* 解析外层包 */ |
| | | // 长度 |
| | | long length = byteBuf.readUnsignedInt(); |
| | | // 长度校验, 反转义之后数组加上包头和包尾长度与解析出来的长度对比; |
| | | // 因为数据长度不包含校验码,而此时解析出来的数据不包含头尾标识,刚好都是2个字节,所以两个长度应该相等 |
| | | // if (length != bytes.length) { |
| | | // log.warn("消息长度校验错误,报文解析出来长度为 {}, 实际可解析的长度为 {}", length, bytes.length); |
| | | // return; |
| | | // } |
| | | // 报文序列号 |
| | | long sn = byteBuf.readUnsignedInt(); |
| | | // 业务数据类型 |
| | | int id = byteBuf.readUnsignedShort(); |
| | | // 下级平台接入码 |
| | | int gnsscenterId = byteBuf.readInt(); |
| | | // 协议版本号标识 |
| | | String version = "v" + byteBuf.readByte() + "." + byteBuf.readByte() + "." + byteBuf.readByte(); |
| | | // 报文加密标识位 |
| | | byte encryptFlag = byteBuf.readByte(); |
| | | // 数据加密解密的密匙 |
| | | long encryptKey = byteBuf.readUnsignedInt(); |
| | | // 2019版 |
| | | // String date = byteBuf.readByte() + "-" + byteBuf.readByte() + "-" + byteBuf.readShort() + " " + |
| | | // byteBuf.readByte() + ":" + byteBuf.readByte() + ":" + byteBuf.readByte(); |
| | | // long time = 0; |
| | | // try { |
| | | // time = DateUtils.parseDate(date, "dd-MM-yyyy HH:mm:ss").getTime(); |
| | | // } catch (ParseException e) { |
| | | // log.warn("日期 [{}] 解析错误", date); |
| | | // } |
| | | |
| | | // 消息体 |
| | | byte[] body; |
| | | if (encryptFlag == 1) { |
| | | byte[] encryptedBytes = new byte[byteBuf.readableBytes() - 2]; |
| | | byteBuf.readBytes(encryptedBytes); |
| | | // 解密 |
| | | int[] param = GnssCenterService.getInstance().getDecryptParam(gnsscenterId); |
| | | Jtt809Util.decrypt(param[0], param[1], param[2], encryptKey, encryptedBytes); |
| | | body = encryptedBytes; |
| | | } else { |
| | | body = new byte[byteBuf.readableBytes() - 2]; |
| | | byteBuf.readBytes(body); |
| | | } |
| | | ByteBuf buf = Unpooled.wrappedBuffer(body); |
| | | int result = buf.readByte(); |
| | | int verifyCode = buf.readInt(); |
| | | // 校验码 |
| | | int crcCode = byteBuf.readUnsignedShort(); |
| | | //{"result":0,"verifyCode":658} |
| | | } |
| | | } |