255 lines
9.4 KiB
C#
255 lines
9.4 KiB
C#
using Abp;
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using DotNetty.Buffers;
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using DotNetty.Transport.Channels;
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using MySqlX.XDevAPI;
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using System;
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using System.Collections;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.ComponentModel.Design;
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using System.Diagnostics;
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using System.Text;
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using System.Threading.Tasks;
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using Yunda.ISAS.DataMonitoringServer.DataAnalysis;
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using Yunda.SOMS.DataMonitoringServer.FTPHandle;
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namespace Yunda.SOMS.DataMonitoringServer.TcpSocket.Server
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{
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using static ConstValue;
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public class DotNettyServerHandler : SimpleChannelInboundHandler<IByteBuffer>
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{
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private IChannelHandlerContext _context;
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// 定义事件，事件处理程序包含消息和功能描述
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private readonly ConcurrentDictionary<byte, IChannelHandlerContext> _connections;
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private readonly Action<byte, byte[], byte> _onMessageReceived;
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public DotNettyServerHandler(ConcurrentDictionary<byte, IChannelHandlerContext> connections,
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Action<byte, byte[], byte> onMessageReceived)
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{
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_connections = connections;
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_onMessageReceived = onMessageReceived;
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}
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public override void ChannelActive(IChannelHandlerContext context)
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{
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try
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{
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string clientIp = context.Channel.RemoteAddress.ToString();
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MonitoringEventBus.LogHandler($"客户端连接：{clientIp}", "103客户端发送消息");
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base.ChannelActive(context);
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}
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catch (Exception ex)
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{
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MonitoringEventBus.LogHandler($"{ex.StackTrace}", "103客户端错误信息");
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}
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}
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public override void ChannelInactive(IChannelHandlerContext context)
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{
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try
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{
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string clientIp = context.Channel.RemoteAddress.ToString();
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MonitoringEventBus.LogHandler($"客户端断开连接：{clientIp}", "103客户端发送消息");
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base.ChannelInactive(context);
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}
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catch (Exception ex)
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{
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MonitoringEventBus.LogHandler($"{ex.StackTrace}", "103客户端错误信息");
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}
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}
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protected override void ChannelRead0(IChannelHandlerContext ctx, IByteBuffer msg)
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{
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_context = ctx;
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try
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{
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byte startByte = msg.ReadByte();
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ushort length = msg.ReadUnsignedShort();
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byte address = msg.ReadByte();
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byte controlWord = msg.ReadByte();
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byte functionType = msg.ReadByte();
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// 计算数据长度
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int dataLength = length - 6;
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if (msg.ReadableBytes < dataLength)
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{
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// 数据不足，等待更多数据
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return;
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}
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byte[] data = new byte[dataLength];
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msg.ReadBytes(data);
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string clientIp = ctx.Channel.RemoteAddress.ToString();
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string description = FunctionCodeDescriptions.GetDescription(functionType);
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//MonitoringEventBus.LogHandler($"装置地址 {address} 功能码：{functionType} 数据长度：{dataLength}", "103客户端消息");
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Task.Run(() => _onMessageReceived?.Invoke(address, data, functionType));
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HandleFunctionCodeAsync(functionType, address, controlWord, data, ctx);
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}
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catch (Exception ex)
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{
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MonitoringEventBus.LogHandler($"Error in ChannelRead0: {ex.StackTrace}", "103客户端发送消息");
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}
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}
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private async Task HandleFunctionCodeAsync(byte functionType, byte address, byte controlWord, byte[] data, IChannelHandlerContext ctx)
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{
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switch (functionType)
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{
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case 0:
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HandleConfirmationMessage(address, data, ctx);
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break;
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case 1:
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MonitoringEventBus.LogHandler($"收到用户定值信息: {BitConverter.ToString(data)}", "103客户端信息");
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break;
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case 2:
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// 厂家定值信息处理
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break;
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case 3:
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MonitoringEventBus.LogHandler($"版本信息: {Encoding.ASCII.GetString(data)}", "103客户端信息");
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break;
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case 4:
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// 自检信息处理
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break;
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case 5:
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MonitoringEventBus.LogHandler($"开入开出信息: {Encoding.ASCII.GetString(data)}", "103客户端信息");
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break;
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case 6:
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await UpdateDeviceCommunicationStateAsync(address, data, ctx);
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break;
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case 7:
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// B码对时状态处理
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Debug.WriteLine($"B码对时状态处理: {BitConverter.ToString(data)}");
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break;
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default:
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MonitoringEventBus.LogHandler("未知的功能码", "103客户端信息");
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break;
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}
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}
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private void HandleConfirmationMessage(byte address, byte[] data, IChannelHandlerContext ctx)
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{
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Debug.WriteLine($"确认开入开出信息: {Encoding.ASCII.GetString(data)}");
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// 可以添加发送确认报文的逻辑
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}
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private async Task UpdateDeviceCommunicationStateAsync(byte address, byte[] data, IChannelHandlerContext ctx)
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{
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await Task.Run(async () =>
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{
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try
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{
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if (DateTime.Now.Hour == 0&&DateTime.Now.Minute == 5&& DateTime.Now.Second<30)
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{
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await SendCustomMessageAsync(ctx, address, 0, 4, 0);//发送版本信息请求
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}
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UpdateConnectionContext(address, ctx);
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await UpdateCommunicationStateCountAsync(address, ctx);
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}
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catch (Exception ex)
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{
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MonitoringEventBus.LogHandler($"Error: {ex.StackTrace}", "103客户端发送消息");
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}
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});
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}
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private void UpdateConnectionContext(byte address, IChannelHandlerContext ctx)
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{
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_connections[address] = ctx;
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}
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private async Task UpdateCommunicationStateCountAsync(byte address, IChannelHandlerContext ctx)
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{
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if (_connections.TryGetValue(address, out _))
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{
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//_communicationStateCounts[address]++;
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//已经存在的装置地址
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}
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else
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{
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//新加入的装置的地址
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await SendInitMsgToDeviceAsync(ctx, address);
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}
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}
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private async Task SendInitMsgToDeviceAsync(IChannelHandlerContext ctx, byte address)
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{
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for (byte i = 1; i < 6; i++)
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{
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await SendCustomMessageAsync(ctx, address, 0, 5, i);
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}
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await SendCustomMessageAsync(ctx, address, 0, 1, 0);
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await SendCustomMessageAsync(ctx, address, 0, 2, 0);
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await SendCustomMessageAsync(ctx, address, 0, 3, 0);
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await SendCustomMessageAsync(ctx, address, 0, 4, 0);
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await SendCustomMessageAsync(ctx, address, 0, 7, 0);
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}
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public override async void ExceptionCaught(IChannelHandlerContext context, Exception ex)
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{
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try
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{
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MonitoringEventBus.LogHandler(ex.Message, "103客户端错误消息");
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await context.CloseAsync();
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}
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catch (Exception ex1)
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{
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MonitoringEventBus.LogHandler($"Error: {ex1.StackTrace}", "关闭tcp客户端");
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}
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}
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// 发送自定义消息
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public async Task SendCustomMessageAsync(IChannelHandlerContext context, byte address, byte controlWord, byte functionType, byte data)
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{
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try
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{
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// 构建数据帧
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byte[] buffer = new byte[7];
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// 填入启动字符
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buffer[0] = 0x16;
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// 填入长度（假设数据部分为50字节，2字节长度字段+1字节地址+1字节标志位）
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byte dataLength = 7;
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buffer[1] = 0; // 长度低字节
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buffer[2] = dataLength; // 长度高字节
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// 填入地址、应用控制字、功能类型
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buffer[3] = address; // 示例地址
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buffer[4] = controlWord; // 示例应用控制字
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buffer[5] = functionType; // 示例功能类型
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buffer[6] = data;
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// 填入数据部分
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IByteBuffer wrappedBuffer = Unpooled.WrappedBuffer(buffer);
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// 发送数据
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await context.WriteAndFlushAsync(wrappedBuffer);
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string hexString = BitConverter.ToString(buffer).Replace("-", " ");
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MonitoringEventBus.LogHandler($"地址：{address} 功能码：{functionType} 数据：{hexString}", "103客户端发送消息");
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await Task.Delay(1000);
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}
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catch (Exception ex)
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{
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MonitoringEventBus.LogHandler($"Error: {ex.StackTrace}", "103客户端发送消息");
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}
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}
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}
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}
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