am-wd/AMWD.Protocols.Modbus
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Refactoring connection to use an idle timeout and automatically close the underlying data channel

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This commit is contained in:
Andreas Müller
2024-03-31 22:29:07 +02:00
parent 967d80ff3f
commit a58af4d75f
16 changed files with 812 additions and 1198 deletions
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49
AMWD.Protocols.Modbus.Common/Contracts/ModbusClientBase.cs
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@@ -46,11 +46,6 @@ namespace AMWD.Protocols.Modbus.Common.Contracts
this.disposeConnection = disposeConnection;
}
/// <summary>
/// Gets a value indicating whether the client is connected.
/// </summary>
public bool IsConnected => connection.IsConnected;
/// <summary>
/// Gets or sets the protocol type to use.
/// </summary>
@@ -59,28 +54,6 @@ namespace AMWD.Protocols.Modbus.Common.Contracts
/// </remarks>
public abstract IModbusProtocol Protocol { get; set; }
/// <summary>
/// Starts the connection to the remote endpoint.
/// </summary>
/// <param name="cancellationToken">A cancellation token used to propagate notification that this operation should be canceled.</param>
/// <returns>An awaitable <see cref="Task"/>.</returns>
public virtual Task ConnectAsync(CancellationToken cancellationToken = default)
{
Assertions(false);
return connection.ConnectAsync(cancellationToken);
}
/// <summary>
/// Stops the connection to the remote endpoint.
/// </summary>
/// <param name="cancellationToken">A cancellation token used to propagate notification that this operation should be canceled.</param>
/// <returns>An awaitable <see cref="Task"/>.</returns>
public virtual Task DisconnectAsync(CancellationToken cancellationToken = default)
{
Assertions(false);
return connection.DisconnectAsync(cancellationToken);
}
/// <summary>
/// Reads multiple <see cref="Coil"/>s.
/// </summary>
@@ -222,31 +195,31 @@ namespace AMWD.Protocols.Modbus.Common.Contracts
switch ((ModbusDeviceIdentificationObject)item.Key)
{
case ModbusDeviceIdentificationObject.VendorName:
devIdent.VendorName = Encoding.ASCII.GetString(item.Value);
devIdent.VendorName = Encoding.UTF8.GetString(item.Value);
break;
case ModbusDeviceIdentificationObject.ProductCode:
devIdent.ProductCode = Encoding.ASCII.GetString(item.Value);
devIdent.ProductCode = Encoding.UTF8.GetString(item.Value);
break;
case ModbusDeviceIdentificationObject.MajorMinorRevision:
devIdent.MajorMinorRevision = Encoding.ASCII.GetString(item.Value);
devIdent.MajorMinorRevision = Encoding.UTF8.GetString(item.Value);
break;
case ModbusDeviceIdentificationObject.VendorUrl:
devIdent.VendorUrl = Encoding.ASCII.GetString(item.Value);
devIdent.VendorUrl = Encoding.UTF8.GetString(item.Value);
break;
case ModbusDeviceIdentificationObject.ProductName:
devIdent.ProductName = Encoding.ASCII.GetString(item.Value);
devIdent.ProductName = Encoding.UTF8.GetString(item.Value);
break;
case ModbusDeviceIdentificationObject.ModelName:
devIdent.ModelName = Encoding.ASCII.GetString(item.Value);
devIdent.ModelName = Encoding.UTF8.GetString(item.Value);
break;
case ModbusDeviceIdentificationObject.UserApplicationName:
devIdent.UserApplicationName = Encoding.ASCII.GetString(item.Value);
devIdent.UserApplicationName = Encoding.UTF8.GetString(item.Value);
break;
default:
@@ -375,7 +348,7 @@ namespace AMWD.Protocols.Modbus.Common.Contracts
/// <summary>
/// Performs basic assertions.
/// </summary>
protected virtual void Assertions(bool checkConnected = true)
protected virtual void Assertions()
{
#if NET8_0_OR_GREATER
ObjectDisposedException.ThrowIf(_isDisposed, this);
@@ -390,12 +363,6 @@ namespace AMWD.Protocols.Modbus.Common.Contracts
if (Protocol == null)
throw new ArgumentNullException(nameof(Protocol));
#endif
if (!checkConnected)
return;
if (!IsConnected)
throw new ApplicationException($"Connection is not open");
}
}
}