mirror of
https://gitee.com/ThingsGateway/ThingsGateway.git
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613 lines
23 KiB
C#
613 lines
23 KiB
C#
//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://thingsgateway.cn/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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using System.Buffers;
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using System.Collections.Concurrent;
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using TouchSocket.Sockets;
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namespace ThingsGateway.Foundation.Modbus;
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/// <summary>
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/// ChannelEventHandler
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/// </summary>
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public delegate ValueTask<IOperResult> ModbusServerWriteEventHandler(ModbusAddress modbusAddress, IThingsGatewayBitConverter bitConverter, IClientChannel channel);
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/// <inheritdoc/>
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public class ModbusSlave : DeviceBase, IModbusAddress
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{
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/// <summary>
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/// 继电器
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/// </summary>
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private ConcurrentDictionary<byte, ValueByteBlock> ModbusServer01ByteBlocks = new();
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/// <summary>
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/// 开关输入
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/// </summary>
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private ConcurrentDictionary<byte, ValueByteBlock> ModbusServer02ByteBlocks = new();
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/// <summary>
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/// 输入寄存器
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/// </summary>
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private ConcurrentDictionary<byte, ValueByteBlock> ModbusServer03ByteBlocks = new();
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/// <summary>
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/// 保持寄存器
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/// </summary>
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private ConcurrentDictionary<byte, ValueByteBlock> ModbusServer04ByteBlocks = new();
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/// <inheritdoc/>
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public override void InitChannel(IChannel channel, ILog? deviceLog = null)
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{
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base.InitChannel(channel, deviceLog);
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RegisterByteLength = 2;
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channel.MaxSign = ushort.MaxValue;
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}
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public override IThingsGatewayBitConverter ThingsGatewayBitConverter { get; protected set; } = new ThingsGatewayBitConverter(EndianType.Big) { };
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public override bool SupportMultipleDevice()
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{
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return Channel.ChannelType == ChannelTypeEnum.TcpService;
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}
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#region 属性
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private ModbusTypeEnum modbusType;
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/// <summary>
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/// 写入内存
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/// </summary>
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public bool IsWriteMemory { get; set; }
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/// <summary>
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/// Modbus类型
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/// </summary>
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public ModbusTypeEnum ModbusType
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{
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get { return modbusType; }
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set { modbusType = value; }
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}
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/// <summary>
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/// 多站点
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/// </summary>
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public bool MulStation { get; set; } = true;
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/// <summary>
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/// 默认站点
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/// </summary>
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public byte Station { get; set; } = 1;
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#endregion 属性
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/// <summary>
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/// 接收外部写入时，传出变量地址/写入字节组/转换规则/客户端
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/// </summary>
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public ModbusServerWriteEventHandler WriteData { get; set; }
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/// <inheritdoc/>
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public override string GetAddressDescription()
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{
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return $"{base.GetAddressDescription()}{Environment.NewLine}{ModbusHelper.GetAddressDescription()}";
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}
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/// <inheritdoc/>
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public override DataHandlingAdapter GetDataAdapter()
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{
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switch (ModbusType)
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{
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case ModbusTypeEnum.ModbusTcp:
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switch (Channel.ChannelType)
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{
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case ChannelTypeEnum.TcpClient:
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case ChannelTypeEnum.TcpService:
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case ChannelTypeEnum.SerialPort:
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return new DeviceSingleStreamDataHandleAdapter<ModbusTcpSlaveMessage>()
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{
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CacheTimeout = TimeSpan.FromMilliseconds(Channel.ChannelOptions.CacheTimeout),
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IsSingleThread = false,
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};
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case ChannelTypeEnum.UdpSession:
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return new DeviceUdpDataHandleAdapter<ModbusTcpSlaveMessage>()
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{
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IsSingleThread = false,
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};
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}
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break;
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case ModbusTypeEnum.ModbusRtu:
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switch (Channel.ChannelType)
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{
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case ChannelTypeEnum.TcpClient:
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case ChannelTypeEnum.TcpService:
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case ChannelTypeEnum.SerialPort:
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return new DeviceSingleStreamDataHandleAdapter<ModbusRtuSlaveMessage>()
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{
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CacheTimeout = TimeSpan.FromMilliseconds(Channel.ChannelOptions.CacheTimeout),
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IsSingleThread = false,
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};
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case ChannelTypeEnum.UdpSession:
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return new DeviceUdpDataHandleAdapter<ModbusRtuSlaveMessage>()
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{
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IsSingleThread = false,
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};
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}
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break;
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}
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return new DeviceSingleStreamDataHandleAdapter<ModbusTcpSlaveMessage>()
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{
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CacheTimeout = TimeSpan.FromMilliseconds(Channel.ChannelOptions.CacheTimeout),
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IsSingleThread = false,
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};
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}
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/// <inheritdoc/>
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public override List<T> LoadSourceRead<T>(IEnumerable<IVariable> deviceVariables, int maxPack, string defaultIntervalTime)
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{
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return PackHelper.LoadSourceRead<T>(this, deviceVariables, maxPack, defaultIntervalTime);
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}
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/// <inheritdoc/>
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protected override void Dispose(bool disposing)
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{
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foreach (var item in ModbusServer01ByteBlocks)
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{
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item.Value.SafeDispose();
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}
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foreach (var item in ModbusServer02ByteBlocks)
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{
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item.Value.SafeDispose();
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}
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foreach (var item in ModbusServer03ByteBlocks)
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{
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item.Value.SafeDispose();
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}
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foreach (var item in ModbusServer04ByteBlocks)
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{
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item.Value.SafeDispose();
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}
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ModbusServer01ByteBlocks.Clear();
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ModbusServer02ByteBlocks.Clear();
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ModbusServer03ByteBlocks.Clear();
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ModbusServer04ByteBlocks.Clear();
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base.Dispose(disposing);
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}
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/// <inheritdoc/>
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private void Init(ModbusRequest mAddress)
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{
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ModbusServer01ByteBlocks.GetOrAdd(mAddress.Station, a => new ValueByteBlock(new byte[ushort.MaxValue * 2]));
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ModbusServer02ByteBlocks.GetOrAdd(mAddress.Station, a => new ValueByteBlock(new byte[ushort.MaxValue * 2]));
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ModbusServer03ByteBlocks.GetOrAdd(mAddress.Station, a => new ValueByteBlock(new byte[ushort.MaxValue * 2]));
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ModbusServer04ByteBlocks.GetOrAdd(mAddress.Station, a => new ValueByteBlock(new byte[ushort.MaxValue * 2]));
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}
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public override Action<IPluginManager> ConfigurePlugins(TouchSocketConfig config)
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{
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switch (Channel.ChannelType)
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{
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case ChannelTypeEnum.TcpClient:
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return PluginUtil.GetDtuClientPlugin(Channel.ChannelOptions);
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case ChannelTypeEnum.TcpService:
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return PluginUtil.GetTcpServicePlugin(Channel.ChannelOptions);
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}
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return a => { };
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}
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#region 核心
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private readonly ReaderWriterLockSlim _lockSlim = new();
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/// <inheritdoc/>
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public OperResult<ReadOnlyMemory<byte>> ModbusRequest(ModbusRequest mAddress, bool read, CancellationToken cancellationToken = default)
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{
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try
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{
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var f = mAddress.FunctionCode > 0x30 ? mAddress.FunctionCode - 0x30 : mAddress.FunctionCode;
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if (MulStation)
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{
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Init(mAddress);
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}
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else
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{
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if (Station != mAddress.Station)
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{
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return new(ModbusResource.Localizer["StationNotSame", mAddress.Station, Station]);
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}
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Init(mAddress);
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}
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var ModbusServer01ByteBlock = ModbusServer01ByteBlocks[mAddress.Station];
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var ModbusServer02ByteBlock = ModbusServer02ByteBlocks[mAddress.Station];
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var ModbusServer03ByteBlock = ModbusServer03ByteBlocks[mAddress.Station];
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var ModbusServer04ByteBlock = ModbusServer04ByteBlocks[mAddress.Station];
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if (read)
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{
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using (new ReadLock(_lockSlim))
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{
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int len = mAddress.Length;
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switch (f)
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{
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case 1:
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return OperResult.CreateSuccessResult(ModbusServer01ByteBlock.Memory.Slice(mAddress.StartAddress, len));
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case 2:
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return OperResult.CreateSuccessResult(ModbusServer02ByteBlock.Memory.Slice(mAddress.StartAddress, len));
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case 3:
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return OperResult.CreateSuccessResult(ModbusServer03ByteBlock.Memory.Slice(mAddress.StartAddress * RegisterByteLength, len));
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case 4:
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return OperResult.CreateSuccessResult(ModbusServer04ByteBlock.Memory.Slice(mAddress.StartAddress * RegisterByteLength, len));
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}
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}
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}
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else
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{
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using (new WriteLock(_lockSlim))
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{
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switch (f)
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{
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case 2:
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ModbusServer02ByteBlock.Position = mAddress.StartAddress;
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ModbusServer02ByteBlock.Write(mAddress.Data.Span);
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return new();
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case 1:
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case 5:
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case 15:
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ModbusServer01ByteBlock.Position = mAddress.StartAddress;
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ModbusServer01ByteBlock.Write(mAddress.Data.Span);
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return new();
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case 4:
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ModbusServer04ByteBlock.Position = mAddress.StartAddress;
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ModbusServer04ByteBlock.Write(mAddress.Data.Span);
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return new();
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case 3:
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case 6:
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case 16:
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ModbusServer03ByteBlock.Position = mAddress.StartAddress * RegisterByteLength;
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ModbusServer03ByteBlock.Write(mAddress.Data.Span);
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return new();
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}
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}
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}
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return new(ModbusResource.Localizer["FunctionError"]);
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}
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catch (Exception ex)
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{
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return new(ex);
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}
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}
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/// <inheritdoc/>
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public override ValueTask<OperResult<byte[]>> ReadAsync(string address, int length, CancellationToken cancellationToken = default)
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{
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var mAddress = GetModbusAddress(address, Station);
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mAddress.Length = (ushort)(length * RegisterByteLength);
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var result = ModbusRequest(mAddress, true, cancellationToken);
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if (result.IsSuccess)
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{
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return EasyValueTask.FromResult(new OperResult<byte[]>() { Content = result.Content.ToArray() });
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}
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else
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{
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return EasyValueTask.FromResult(new OperResult<byte[]>(result));
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}
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}
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public virtual ModbusAddress GetModbusAddress(string address, byte? station, bool isCache = true)
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{
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var mAddress = ModbusAddress.ParseFrom(address, station, isCache);
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return mAddress;
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}
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/// <inheritdoc/>
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public override async ValueTask<OperResult> WriteAsync(string address, byte[] value, DataTypeEnum dataType, CancellationToken cancellationToken = default)
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{
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try
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{
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await EasyValueTask.CompletedTask.ConfigureAwait(false);
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var mAddress = GetModbusAddress(address, Station);
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mAddress.Data = value;
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return ModbusRequest(mAddress, false, cancellationToken);
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}
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catch (Exception ex)
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{
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return new OperResult(ex);
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}
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}
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/// <inheritdoc/>
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public override async ValueTask<OperResult> WriteAsync(string address, bool[] value, CancellationToken cancellationToken = default)
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{
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try
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{
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await EasyValueTask.CompletedTask.ConfigureAwait(false);
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var mAddress = GetModbusAddress(address, Station);
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if (mAddress.IsBitFunction)
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{
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mAddress.Data = new ReadOnlyMemory<byte>(value.Select(a => a ? (byte)0xff : (byte)0).ToArray());
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ModbusRequest(mAddress, false, cancellationToken);
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return OperResult.Success;
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}
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else
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{
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if (mAddress.BitIndex < 16)
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{
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mAddress.Length = 2;
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var readData = ModbusRequest(mAddress, true, cancellationToken);
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if (!readData.IsSuccess) return readData;
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var writeData = TouchSocketBitConverter.BigEndian.To<ushort>(readData.Content.Span);
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for (int i = 0; i < value.Length; i++)
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{
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writeData = writeData.SetBit(mAddress.BitIndex.Value + i, value[i]);
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}
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mAddress.Data = ThingsGatewayBitConverter.GetBytes(writeData);
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ModbusRequest(mAddress, false, cancellationToken);
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return OperResult.Success;
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}
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else
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{
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return new OperResult(ModbusResource.Localizer["ValueOverlimit", nameof(mAddress.BitIndex), 16]);
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}
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}
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}
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catch (Exception ex)
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{
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return new OperResult(ex);
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}
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}
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/// <inheritdoc/>
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protected override async Task ChannelReceived(IClientChannel client, ReceivedDataEventArgs e, bool last)
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{
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var requestInfo = e.RequestInfo;
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bool modbusRtu = false;
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ModbusRequest modbusRequest = default;
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ReadOnlyMemory<byte> Bytes = default;
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//接收外部报文
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if (requestInfo is ModbusRtuSlaveMessage modbusRtuSlaveMessage)
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{
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if (!modbusRtuSlaveMessage.IsSuccess)
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{
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return;
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}
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modbusRequest = modbusRtuSlaveMessage.Request;
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Bytes = modbusRtuSlaveMessage.Bytes;
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modbusRtu = true;
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}
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else if (requestInfo is ModbusTcpSlaveMessage modbusTcpSlaveMessage)
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{
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if (!modbusTcpSlaveMessage.IsSuccess)
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{
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return;
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}
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modbusRequest = modbusTcpSlaveMessage.Request;
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Bytes = modbusTcpSlaveMessage.Bytes;
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modbusRtu = false;
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}
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else
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{
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return;
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}
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//忽略不同设备地址的报文
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if (!MulStation && modbusRequest.Station != Station)
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{
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return;
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}
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var f = modbusRequest.FunctionCode > 0x30 ? modbusRequest.FunctionCode - 0x30 : modbusRequest.FunctionCode;
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if (f <= 4)
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{
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var data = ModbusRequest(modbusRequest, true);
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if (data.IsSuccess)
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{
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ValueByteBlock valueByteBlock = new(1024);
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try
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{
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if (modbusRtu)
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{
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valueByteBlock.Write(Bytes.Slice(0, 2).Span);
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if (modbusRequest.IsBitFunction)
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{
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var bitdata = data.Content.ToArray().Select(m => m > 0).ToArray().BoolArrayToByte();
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ReadOnlyMemory<byte> bitwritedata = bitdata.Length == (int)Math.Ceiling(modbusRequest.Length / 8.0) ? new ReadOnlyMemory<byte>(bitdata) : new ReadOnlyMemory<byte>(bitdata).Slice(0, (int)Math.Ceiling(modbusRequest.Length / 8.0));
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valueByteBlock.WriteByte((byte)bitwritedata.Length);
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valueByteBlock.Write(bitwritedata.Span);
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}
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else
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{
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valueByteBlock.WriteByte((byte)data.Content.Length);
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valueByteBlock.Write(data.Content.Span);
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}
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valueByteBlock.Write(CRC16Utils.Crc16Only(valueByteBlock.Memory.Span));
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await ReturnData(client, valueByteBlock.Memory, e).ConfigureAwait(false);
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}
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else
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{
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valueByteBlock.Write(Bytes.Slice(0, 8).Span);
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if (modbusRequest.IsBitFunction)
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{
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var bitdata = data.Content.ToArray().Select(m => m > 0).ToArray().BoolArrayToByte();
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ReadOnlyMemory<byte> bitwritedata = bitdata.Length == (int)Math.Ceiling(modbusRequest.Length / 8.0) ? new ReadOnlyMemory<byte>(bitdata) : new ReadOnlyMemory<byte>(bitdata).Slice(0, (int)Math.Ceiling(modbusRequest.Length / 8.0));
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valueByteBlock.WriteByte((byte)bitwritedata.Length);
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valueByteBlock.Write(bitwritedata.Span);
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}
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else
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{
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valueByteBlock.WriteByte((byte)data.Content.Length);
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valueByteBlock.Write(data.Content.Span);
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}
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valueByteBlock[5] = (byte)(valueByteBlock.Length - 6);
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await ReturnData(client, valueByteBlock.Memory, e).ConfigureAwait(false);
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}
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}
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finally
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{
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valueByteBlock.SafeDispose();
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}
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}
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else
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{
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await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);//返回错误码
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}
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}
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else//写入
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{
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if (f == 5 || f == 15)
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{
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//写入继电器
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if (WriteData != null)
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{
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var modbusAddress = new ModbusAddress(modbusRequest) { WriteFunctionCode = modbusRequest.FunctionCode, FunctionCode = 1 };
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// 接收外部写入时，传出变量地址/写入字节组/转换规则/客户端
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if ((await WriteData(modbusAddress, ThingsGatewayBitConverter, client).ConfigureAwait(false)).IsSuccess)
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{
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await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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if (IsWriteMemory)
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{
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var result = ModbusRequest(modbusRequest, false);
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if (result.IsSuccess)
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await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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else
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await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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}
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else
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await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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}
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else
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{
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await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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}
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}
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else
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{
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//写入内存区
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var result = ModbusRequest(modbusRequest, false);
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if (result.IsSuccess)
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{
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await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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}
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else
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{
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await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);
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}
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}
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}
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else if (f == 6 || f == 16)
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{
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//写入寄存器
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if (WriteData != null)
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{
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var modbusAddress = new ModbusAddress(modbusRequest) { WriteFunctionCode = modbusRequest.FunctionCode, FunctionCode = 3 };
|
||
if ((await WriteData(modbusAddress, ThingsGatewayBitConverter, client).ConfigureAwait(false)).IsSuccess)
|
||
{
|
||
if (IsWriteMemory)
|
||
{
|
||
var result = ModbusRequest(modbusRequest, false);
|
||
if (result.IsSuccess)
|
||
await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
|
||
else
|
||
await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);
|
||
}
|
||
else
|
||
await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
|
||
}
|
||
else
|
||
{
|
||
await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
var result = ModbusRequest(modbusRequest, false);
|
||
if (result.IsSuccess)
|
||
{
|
||
await WriteSuccess(modbusRtu, client, Bytes, e).ConfigureAwait(false);
|
||
}
|
||
else
|
||
{
|
||
await WriteError(modbusRtu, client, Bytes, e).ConfigureAwait(false);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
private async Task ReturnData(IClientChannel client, ReadOnlyMemory<byte> sendData, ReceivedDataEventArgs e)
|
||
{
|
||
if (SendDelayTime > 0)
|
||
await Task.Delay(SendDelayTime).ConfigureAwait(false);
|
||
if (client is IUdpClientSender udpClientSender)
|
||
await udpClientSender.SendAsync(((UdpReceivedDataEventArgs)e).EndPoint, sendData).ConfigureAwait(false);
|
||
else
|
||
await client.SendAsync(sendData).ConfigureAwait(false);
|
||
}
|
||
|
||
private async Task WriteError(bool modbusRtu, IClientChannel client, ReadOnlyMemory<byte> bytes, ReceivedDataEventArgs e)
|
||
{
|
||
ValueByteBlock valueByteBlock = new(20);
|
||
try
|
||
{
|
||
if (modbusRtu)
|
||
{
|
||
valueByteBlock.Write(bytes.Slice(0, 2).Span);
|
||
valueByteBlock.WriteByte(1);
|
||
valueByteBlock.Write(CRC16Utils.Crc16Only(valueByteBlock.Span));
|
||
valueByteBlock[1] = (byte)(valueByteBlock[1] + 128);
|
||
}
|
||
else
|
||
{
|
||
valueByteBlock.Write(bytes.Slice(0, 8).Span);
|
||
valueByteBlock.WriteByte(1);
|
||
valueByteBlock[5] = (byte)(valueByteBlock.Length - 6);
|
||
valueByteBlock[7] = (byte)(valueByteBlock[7] + 128);
|
||
}
|
||
await ReturnData(client, valueByteBlock.Memory, e).ConfigureAwait(false);
|
||
}
|
||
finally
|
||
{
|
||
valueByteBlock.SafeDispose();
|
||
}
|
||
}
|
||
|
||
private async Task WriteSuccess(bool modbusRtu, IClientChannel client, ReadOnlyMemory<byte> bytes, ReceivedDataEventArgs e)
|
||
{
|
||
ValueByteBlock valueByteBlock = new(20);
|
||
try
|
||
{
|
||
if (modbusRtu)
|
||
{
|
||
valueByteBlock.Write(bytes.Slice(0, 6).Span);
|
||
valueByteBlock.Write(CRC16Utils.Crc16Only(valueByteBlock.Span));
|
||
}
|
||
else
|
||
{
|
||
valueByteBlock.Write(bytes.Slice(0, 12).Span);
|
||
valueByteBlock[5] = (byte)(valueByteBlock.Length - 6);
|
||
}
|
||
await ReturnData(client, valueByteBlock.Memory, e).ConfigureAwait(false);
|
||
}
|
||
finally
|
||
{
|
||
valueByteBlock.SafeDispose();
|
||
}
|
||
}
|
||
|
||
#endregion 核心
|
||
}
|