am-wd/AMWD.Protocols.Modbus
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Moved some more settings to the connection interface

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This commit is contained in:
Andreas Müller
2024-04-02 17:43:45 +02:00
parent 21b0540e81
commit ca95298390
7 changed files with 161 additions and 154 deletions
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67
AMWD.Protocols.Modbus.Tcp/ModbusTcpConnection.cs
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@@ -8,6 +8,7 @@ using System.Threading;
using System.Threading.Tasks;
using AMWD.Protocols.Modbus.Common.Contracts;
using AMWD.Protocols.Modbus.Common.Protocols;
using AMWD.Protocols.Modbus.Common.Utils;
using AMWD.Protocols.Modbus.Tcp.Utils;
namespace AMWD.Protocols.Modbus.Tcp
@@ -26,7 +27,7 @@ namespace AMWD.Protocols.Modbus.Tcp
private readonly CancellationTokenSource _disposeCts = new();
private readonly SemaphoreSlim _clientLock = new(1, 1);
private readonly TcpClientWrapper _client = new();
private readonly TcpClientWrapper _tcpClient = new();
private readonly Timer _idleTimer;
private readonly Task _processingTask;
@@ -49,7 +50,24 @@ namespace AMWD.Protocols.Modbus.Tcp
public string Name => "TCP";
/// <inheritdoc/>
public virtual TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(6);
public virtual TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(6);
/// <inheritdoc/>
public virtual TimeSpan ConnectTimeout { get; set; } = TimeSpan.MaxValue;
/// <inheritdoc/>
public virtual TimeSpan ReadTimeout
{
get => TimeSpan.FromMilliseconds(_tcpClient.ReceiveTimeout);
set => _tcpClient.ReceiveTimeout = (int)value.TotalMilliseconds;
}
/// <inheritdoc/>
public virtual TimeSpan WriteTimeout
{
get => TimeSpan.FromMilliseconds(_tcpClient.SendTimeout);
set => _tcpClient.SendTimeout = (int)value.TotalMilliseconds;
}
/// <summary>
/// The DNS name of the remote host to which the connection is intended to.
@@ -81,32 +99,11 @@ namespace AMWD.Protocols.Modbus.Tcp
}
}
/// <summary>
/// Gets or sets the receive time out value of the connection.
/// </summary>
public virtual TimeSpan ReadTimeout
{
get => TimeSpan.FromMilliseconds(_client.ReceiveTimeout);
set => _client.ReceiveTimeout = (int)value.TotalMilliseconds;
}
/// <summary>
/// Gets or sets the send time out value of the connection.
/// </summary>
public virtual TimeSpan WriteTimeout
{
get => TimeSpan.FromMilliseconds(_client.SendTimeout);
set => _client.SendTimeout = (int)value.TotalMilliseconds;
}
/// <summary>
/// Gets or sets the maximum time until the connect attempt is given up.
/// </summary>
public virtual TimeSpan ConnectTimeout { get; set; } = TimeSpan.MaxValue;
#endregion Properties
/// <inheritdoc/>
/// <summary>
/// Releases all managed and unmanaged resources used by the <see cref="ModbusTcpConnection"/>.
/// </summary>
public void Dispose()
{
if (_isDisposed)
@@ -127,7 +124,7 @@ namespace AMWD.Protocols.Modbus.Tcp
OnIdleTimer(null);
_client.Dispose();
_tcpClient.Dispose();
_clientLock.Dispose();
while (_requestQueue.TryDequeue(out var item))
@@ -204,7 +201,7 @@ namespace AMWD.Protocols.Modbus.Tcp
// Ensure connection is up
await AssertConnection(linkedCts.Token).ConfigureAwait(false);
var stream = _client.GetStream();
var stream = _tcpClient.GetStream();
await stream.FlushAsync(linkedCts.Token).ConfigureAwait(false);
#if NET6_0_OR_GREATER
@@ -270,7 +267,7 @@ namespace AMWD.Protocols.Modbus.Tcp
// Has to be called within _clientLock!
private async Task AssertConnection(CancellationToken cancellationToken)
{
if (_client.Connected)
if (_tcpClient.Connected)
return;
int delay = 1;
@@ -287,17 +284,17 @@ namespace AMWD.Protocols.Modbus.Tcp
{
foreach (var ipAddress in ipAddresses)
{
_client.Close();
_tcpClient.Close();
#if NET6_0_OR_GREATER
using var connectTask = _client.ConnectAsync(ipAddress, Port, cancellationToken);
using var connectTask = _tcpClient.ConnectAsync(ipAddress, Port, cancellationToken);
#else
using var connectTask = _client.ConnectAsync(ipAddress, Port);
using var connectTask = _tcpClient.ConnectAsync(ipAddress, Port);
#endif
if (await Task.WhenAny(connectTask, Task.Delay(ReadTimeout, cancellationToken)) == connectTask)
{
await connectTask;
if (_client.Connected)
if (_tcpClient.Connected)
return;
}
}
@@ -327,10 +324,10 @@ namespace AMWD.Protocols.Modbus.Tcp
_clientLock.Wait(_disposeCts.Token);
try
{
if (!_client.Connected)
if (!_tcpClient.Connected)
return;
_client.Close();
_tcpClient.Close();
}
finally
{