-
Notifications
You must be signed in to change notification settings - Fork 95
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* Cosmetic * Reformat * Add VeryFast1KBPluginNodes * Fix FlatDirectory and add vf1k
- Loading branch information
1 parent
964199c
commit cca62fb
Showing
6 changed files
with
178 additions
and
31 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| namespace OpcPlc.PluginNodes; | ||
|
|
||
| using Opc.Ua; | ||
| using OpcPlc.Helpers; | ||
| using OpcPlc.PluginNodes.Models; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Text; | ||
| using static OpcPlc.Program; | ||
|
|
||
| /// <summary> | ||
| /// Nodes with 1 kB values that change in ms cycles. | ||
| /// The values are scrambled to ensure that they are efficiently compressed. | ||
| /// </summary> | ||
| public class VeryFast1KBPluginNodes : IPluginNodes | ||
| { | ||
| public IReadOnlyCollection<NodeWithIntervals> Nodes { get; private set; } = new List<NodeWithIntervals>(); | ||
|
|
||
| private uint NodeCount { get; set; } = 1; | ||
| private uint NodeRate { get; set; } = 1000; // ms. | ||
|
|
||
| private readonly DeterministicGuid _deterministicGuid = new(); | ||
| private PlcNodeManager _plcNodeManager; | ||
| private BaseDataVariableState[] _veryFast1KBNodes; | ||
| private ITimer _nodeGenerator; | ||
|
|
||
| public void AddOptions(Mono.Options.OptionSet optionSet) | ||
| { | ||
| optionSet.Add( | ||
| "vf1k|veryfast1knodes=", | ||
| $"number of very fast 1 kB nodes.\nDefault: {NodeCount}", | ||
| (uint i) => NodeCount = i); | ||
|
|
||
| optionSet.Add( | ||
| "vf1kr|veryfast1krate=", | ||
| $"rate in ms to change very fast 1 kB nodes.\nDefault: {NodeRate}", | ||
| (uint i) => NodeRate = i); | ||
| } | ||
|
|
||
| public void AddToAddressSpace(FolderState telemetryFolder, FolderState methodsFolder, PlcNodeManager plcNodeManager) | ||
| { | ||
| _plcNodeManager = plcNodeManager; | ||
|
|
||
| if (NodeCount == 0) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| FolderState folder = _plcNodeManager.CreateFolder( | ||
| telemetryFolder, | ||
| path: "VeryFast1kB", | ||
| name: "VeryFast1kB", | ||
| NamespaceType.OpcPlcApplications); | ||
|
|
||
| AddNodes(folder); | ||
| } | ||
|
|
||
| public void StartSimulation() | ||
| { | ||
| // Only use the fast timers when we need to go really fast, | ||
| // since they consume more resources and create an own thread. | ||
| _nodeGenerator = NodeRate >= 50 || !Stopwatch.IsHighResolution | ||
| ? TimeService.NewTimer((s, e) => UpdateNodes(), NodeRate) | ||
| : TimeService.NewFastTimer((s, e) => UpdateNodes(), intervalInMilliseconds: NodeRate); | ||
| } | ||
|
|
||
| public void StopSimulation() | ||
| { | ||
| if (_nodeGenerator != null) | ||
| { | ||
| _nodeGenerator.Enabled = false; | ||
| } | ||
| } | ||
|
|
||
| private void AddNodes(FolderState folder) | ||
| { | ||
| var nodes = new List<NodeWithIntervals>(); | ||
| _veryFast1KBNodes = new BaseDataVariableState[NodeCount]; | ||
|
|
||
| for (int i = 0; i < NodeCount; i++) | ||
| { | ||
| string oneKbGuid = GetLongDeterministicGuid(maxLength: 1024); | ||
| var initialByteArray = Encoding.UTF8.GetBytes(oneKbGuid); | ||
|
|
||
| string name = $"VeryFast1kB{(i + 1)}"; | ||
|
|
||
| _veryFast1KBNodes[i] = _plcNodeManager.CreateBaseVariable( | ||
| folder, | ||
| path: name, | ||
| name: name, | ||
| new NodeId((uint)BuiltInType.ByteString), | ||
| ValueRanks.Scalar, | ||
| AccessLevels.CurrentReadOrWrite, | ||
| "Very fast changing 1 kB node", | ||
| NamespaceType.OpcPlcApplications, | ||
| initialByteArray); | ||
|
|
||
| // Update pn.json output. | ||
| nodes.Add(new NodeWithIntervals { | ||
| NodeId = name, | ||
| Namespace = OpcPlc.Namespaces.OpcPlcApplications, | ||
| PublishingInterval = NodeRate, | ||
| }); | ||
|
|
||
| Nodes = nodes; | ||
| } | ||
| } | ||
|
|
||
| private void UpdateNodes() | ||
| { | ||
| for (int i = 0; i < _veryFast1KBNodes.Length; i++) | ||
| { | ||
| byte[] arrayValue = (byte[])_veryFast1KBNodes[i].Value; | ||
|
|
||
| // Update first byte in the range 0 to 255. | ||
| arrayValue[0] = arrayValue[0] == 255 | ||
| ? (byte)0 | ||
| : (byte)(arrayValue[0] + 1); | ||
|
|
||
| SetValue(_veryFast1KBNodes[i], arrayValue); | ||
| } | ||
| } | ||
|
|
||
| private void SetValue<T>(BaseVariableState variable, T value) | ||
| { | ||
| variable.Value = value; | ||
| variable.Timestamp = TimeService.Now(); | ||
| variable.ClearChangeMasks(_plcNodeManager.SystemContext, includeChildren: false); | ||
| } | ||
|
|
||
| private string GetLongDeterministicGuid(int maxLength) | ||
| { | ||
| var sb = new StringBuilder(); | ||
|
|
||
| while (sb.Length < maxLength) | ||
| { | ||
| sb.Append(_deterministicGuid.NewGuid().ToString()); | ||
| } | ||
|
|
||
| return sb.ToString()[..maxLength]; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters