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Use ArrayPool as a write buffer

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This commit is contained in:
Peter Butzhammer
2024-04-25 10:24:14 +02:00
parent 478a2060ba
commit c5a6b12843
1 changed files with 13 additions and 5 deletions
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18
Sharp7.Rx/Sharp7Plc.cs
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@@ -1,4 +1,5 @@
using System.Diagnostics;
using System.Buffers;
using System.Diagnostics;
using System.Reactive;
using System.Reactive.Disposables;
using System.Reactive.Linq;
@@ -20,6 +21,7 @@ public class Sharp7Plc : IPlc
private readonly CacheVariableNameParser variableNameParser = new CacheVariableNameParser(new VariableNameParser());
private bool disposed;
private Sharp7Connector s7Connector;
private static readonly ArrayPool<byte> arrayPool = ArrayPool<byte>.Shared;
/// <summary>
@@ -159,11 +161,17 @@ public class Sharp7Plc : IPlc
}
else
{
// TODO: Use ArrayPool.Rent() once we drop Framwework support
var bytes = new byte[address.BufferLength];
ValueConverter.WriteToBuffer(bytes, value, address);
var buffer = arrayPool.Rent(address.BufferLength);
try
{
ValueConverter.WriteToBuffer(buffer, value, address);
await s7Connector.WriteBytes(address.Operand, address.Start, bytes, address.DbNo, token);
await s7Connector.WriteBytes(address.Operand, address.Start, buffer, address.DbNo, token);
}
finally
{
ArrayPool<Byte>.Shared.Return(buffer);
}
}
}