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Fix Genesis scheduling and synchronization for up to 10 workers

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This commit is contained in:
Michal Buzik 2026-09-10 22:09:30 +02:00
parent 52bd0d01ce
commit 684513ee59
4 changed files with 282 additions and 25 deletions
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38
TBF/Rig/TestMethods/GenesisCommunication/CommCompletedEventArgs.cs
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@ -1,4 +1,4 @@
///
///
/// Copyright (c) 2015-2019 Sensus Metering Systems
/// Author: Milan Hanajík
///
@ -7,8 +7,44 @@ using TBF.Rig.RegisterReaders.GenesisRegReader.implementations;
namespace TBF.Rig.TestMethods.GenesisCommunication
{
/// <summary>Tracks one completion per worker, activity and group.</summary>
public sealed class GenesisWorkerGroupCompletion
{
private readonly int workerCount;
private readonly System.Collections.Generic.HashSet<int> completed = new System.Collections.Generic.HashSet<int>();
private int activity, group;
private bool released;
public GenesisWorkerGroupCompletion(int workerCount)
{
if (workerCount < 1 || workerCount > 10) throw new ArgumentOutOfRangeException(nameof(workerCount));
this.workerCount = workerCount;
}
public void Begin(int activityStep, int groupNumber)
{
lock (completed) { activity = activityStep; group = groupNumber; released = false; completed.Clear(); }
}
public bool Complete(int activityStep, int groupNumber, int worker)
{
lock (completed)
{
if (released || activityStep != activity || groupNumber != group || worker < 0 || worker >= workerCount) return false;
if (!completed.Add(worker) || completed.Count != workerCount) return false;
released = true;
return true;
}
}
public static System.Collections.Generic.IEnumerable<int> BoardIndexes(int worker, int workers, int boards)
{
if (workers < 1 || workers > 10 || worker < 0 || worker >= workers || boards < 0) throw new ArgumentOutOfRangeException();
for (int index = worker; index < boards; index += workers) yield return index;
}
}
public class CommCompletedEventArgs : EventArgs
{
public bool WorkerGroupCompleted;
public int ActivityStep;
public int Group;
public int ThreadId;
public int WMNr0; /// 0-based water meter position
public GenesisSmartReader Ihead;

50
TBF/Rig/TestMethods/GenesisCommunication/GenesisCommunicationForm.cs
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@ -204,14 +204,14 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
static IList<iPerlCommunicationParams> multiTestParams;
static int currentActivityStep;
static int currentGroup; /// form -> worker thread (0 = none)
static volatile int currentActivityStep;
static volatile int currentGroup; /// form -> worker thread (0 = none)
static int lastGroup;
static int completedCommCount; /// Number of completed communication steps
private GenesisWorkerGroupCompletion groupCompletion;
static IList<Thread> workerThreads;
static IList<int> muxBrdOrGroup14Nrs;
static bool stopWorkerThreads; /// form -> worker thread
static volatile bool stopWorkerThreads; /// form -> worker thread
/// <summary> Parameterless constructor (without watermeters, threads) </summary>
@ -384,7 +384,6 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
///
currentActivityStep = 0;
currentGroup = 0;
completedCommCount = 0;
stopWorkerThreads = false;
/// group numbers are >=1, lastGroup == 0 means there is no group
@ -409,6 +408,9 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
if (!muxBrdOrGroup14Nrs.Contains(iPerl.MuxBoardNrOrGroup14)) muxBrdOrGroup14Nrs.Add(iPerl.MuxBoardNrOrGroup14);
}
groupCompletion = new GenesisWorkerGroupCompletion(workerThreads.Count);
groupCompletion.Begin(0, 1);
log.InfoFormat("Genesis workers configured: Threads={0}, Group1Count={1}, LastGroup2={2}", workerThreads.Count, muxBrdOrGroup14Nrs.Count, lastGroup);
log.WarnFormat("nrThreads = {0}", workerThreads.Count);
}
@ -666,6 +668,8 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
for (int i = 0; i < multiTestParams.Count; i++ )
{
while (activityStep != currentActivityStep && !stopWorkerThreads) Thread.Sleep(50);
if (stopWorkerThreads) break;
Test currentTest = tests[i];
iPerlCommunicationParams currentTestParams = multiTestParams[i];
string currentActivity = currentTestParams.Activity; /// Current activity
@ -707,7 +711,8 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
}
//HOLD ON - if activity is like HoldSlotStr, ignore loop and do activity like HoldSlotStr
if (currentActivity.ToLower().Equals(HoldSlotStr.ToLower()))
bool isHoldActivity = currentActivity.ToLower().Equals(HoldSlotStr.ToLower());
if (isHoldActivity)
{
log.Debug($"Activity '{currentActivity}' is HoldSlotStr, skipping loop and performing HoldOn operation. Thread: {threadID}");
@ -716,7 +721,6 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
string resultStr = string.Empty;
error = HoldOn(threadID, ref resultStr); // wait for the hold on to complete - one time for each thread
ProcessWaterMetersDialogConfirmation(threadID, resultStr,error);
return;
}
for (int group = 1; group <= lastGroup; group++)
@ -729,10 +733,12 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
if (stopWorkerThreads) break;
if (!isHoldActivity)
{
#if TURA_SPECIAL
int threadIx = threadID; /// Just one thread for TURA_SPECIAL
#else
for (int threadIx = threadID; threadIx < threadID + 10; threadIx += cfg.NrThreads)// - max threads = 4 => 10
foreach (int threadIx in GenesisWorkerGroupCompletion.BoardIndexes(threadID, workerThreads.Count, muxBrdOrGroup14Nrs.Count))
#endif
{
bool wmFound = false;
@ -884,7 +890,12 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
if (stopWorkerThreads) break;
}
}
if (stopWorkerThreads) break;
log.DebugFormat("Genesis worker group completed: Activity={0}, Group2={1}, Worker={2}", activityStep, group, threadID);
OnCommCompleted(null, new CommCompletedEventArgs(threadID, -1, null, null, string.Empty, CommErr.None)
{ WorkerGroupCompleted = true, ActivityStep = activityStep, Group = group });
} /// for (int group
TBF.UiBridge.Bridge.OnTestProgress(null, new TBF.UiBridge.TestProgressEventArgs(tests[i], Progress.Completed));
@ -1608,21 +1619,17 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
}
}
#if !TURA_SPECIAL
///
/// Branch
///
lock (this)
{
if (++completedCommCount < 4) return;
completedCommCount = 0;
}
#endif
// Per-meter results update the UI only. Advance after every worker
// has finished all of its Group 1 assignments for this Group 2.
if (!data.WorkerGroupCompleted || !groupCompletion.Complete(data.ActivityStep, data.Group, data.ThreadId)) return;
log.InfoFormat("Genesis group completed: Activity={0}, Group2={1}, Workers={2}", data.ActivityStep, data.Group, workerThreads.Count);
if (currentGroup < lastGroup)
{
/// Go to the next step / next group
currentGroup++;
groupCompletion.Begin(currentActivityStep, currentGroup);
}
else if (currentActivityStep + 1 < multiTestParams.Count)
{
@ -1630,16 +1637,17 @@ namespace TBF.Rig.TestMethods.GenesisCommunication
currentActivityStep++;
activityLabel.Text = multiTestParams[currentActivityStep].Activity;
currentGroup++;
groupCompletion.Begin(currentActivityStep, currentGroup);
}
else
{
log.Debug("Wait for finish workerThreads 4 seconds");
log.Debug("Waiting for all Genesis workers; results remain visible for 4 seconds afterwards.");
Thread lastThread = workerThreads[data.ThreadId];
Thread[] finishingThreads = workerThreads.ToArray();
Task.Run(() =>
{
lastThread.Join(2000);
foreach (var thread in finishingThreads) thread.Join();
if (!CanUseUi()) return;

213
TBFTests/GenesisParallelSchedulingTests.cs Normal file
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@ -0,0 +1,213 @@
using System;
using System.Linq;
using System.Threading;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using TBF.Rig.TestMethods.GenesisCommunication;
namespace TBFTests
{
[TestClass]
[TestCategory("GenesisParallelScheduling")]
public class GenesisParallelSchedulingTests
{
[DataTestMethod]
[DataRow(1)] [DataRow(2)] [DataRow(3)] [DataRow(4)] [DataRow(5)]
[DataRow(6)] [DataRow(7)] [DataRow(8)] [DataRow(9)] [DataRow(10)]
public void EveryBoardIsAssignedExactlyOnceForAllSupportedWorkerCounts(int workers)
{
foreach (int boards in new[] { 0, 1, 2, 7, 10 })
{
var actual = Enumerable.Range(0, workers)
.SelectMany(worker => GenesisWorkerGroupCompletion.BoardIndexes(worker, workers, boards)).OrderBy(x => x).ToArray();
CollectionAssert.AreEqual(Enumerable.Range(0, boards).ToArray(), actual);
}
}
[DataTestMethod]
[DataRow(1)] [DataRow(2)] [DataRow(3)] [DataRow(4)] [DataRow(5)]
[DataRow(6)] [DataRow(7)] [DataRow(8)] [DataRow(9)] [DataRow(10)]
public void GroupAdvancesOnlyAfterEveryDistinctWorkerFinishes(int count)
{
var completion = new GenesisWorkerGroupCompletion(count);
completion.Begin(0, 1);
Assert.IsFalse(completion.Complete(0, 2, 0));
Assert.IsFalse(completion.Complete(1, 1, 0));
Assert.IsFalse(completion.Complete(0, 1, -1));
Assert.IsFalse(completion.Complete(0, 1, count));
for (int worker = 0; worker < count; worker++)
{
Assert.AreEqual(worker == count - 1, completion.Complete(0, 1, worker));
Assert.IsFalse(completion.Complete(0, 1, worker), "Duplicate completion must not advance the group.");
}
completion.Begin(0, 2);
Assert.IsFalse(completion.Complete(0, 1, 0), "Late event from the previous group.");
for (int worker = count - 1; worker >= 0; worker--)
Assert.AreEqual(worker == 0, completion.Complete(0, 2, worker));
completion.Begin(1, 1);
Assert.IsFalse(completion.Complete(0, 2, 0));
}
[TestMethod]
public void MultipleActivitiesAndGroupsRequireAllWorkersIncludingIdleWorkers()
{
var completion = new GenesisWorkerGroupCompletion(10);
for (int activity = 0; activity < 3; activity++)
for (int group = 1; group <= 10; group++)
{
completion.Begin(activity, group);
Assert.IsFalse(completion.Complete(activity - 1, group, 0));
Assert.IsFalse(completion.Complete(activity, group - 1, 0));
// Also models HOLD ON: no board requests, but each worker must finish.
for (int worker = 0; worker < 10; worker++)
Assert.AreEqual(worker == 9, completion.Complete(activity, group, worker));
}
}
[TestMethod]
public void TenWorkersCanRunConcurrentlyAndSlowTenthWorkerHoldsGroup()
{
var completion = new GenesisWorkerGroupCompletion(10);
completion.Begin(0, 1);
using (var started = new CountdownEvent(10))
using (var firstNine = new CountdownEvent(9))
using (var run = new ManualResetEventSlim(false))
using (var slow = new ManualResetEventSlim(false))
{
int advances = 0;
var threads = Enumerable.Range(0, 10).Select(worker => new Thread(() =>
{
started.Signal();
run.Wait();
if (worker == 9) slow.Wait();
if (completion.Complete(0, 1, worker)) Interlocked.Increment(ref advances);
if (worker != 9) firstNine.Signal();
}) { IsBackground = true }).ToArray();
foreach (var thread in threads) thread.Start();
try
{
Assert.IsTrue(started.Wait(5000), "All ten workers must start before any finishes.");
run.Set();
Assert.IsTrue(firstNine.Wait(5000));
Assert.AreEqual(0, Volatile.Read(ref advances), "Nine completions must not release a ten-worker group.");
slow.Set();
}
finally
{
run.Set(); slow.Set();
foreach (var thread in threads) thread.Join(5000);
}
Assert.AreEqual(1, advances);
}
}
[TestMethod]
public void Parallel_Group1OneToTen_Group2One_AllTenCallsOverlap()
{
VerifyProcessingScenario(10, 10, 1);
}
[TestMethod]
public void Serial_Group1One_Group2OneToTen_NoCallsOverlap()
{
VerifyProcessingScenario(10, 1, 10);
}
[TestMethod]
public void Combined_FiveGroup1Boards_TwoGroup2Groups_ParallelWithinSerialBetween()
{
VerifyProcessingScenario(10, 5, 2);
}
[TestMethod]
public void Combined_FourWorkers_TenBoards_ThreeGroups_EveryMeterRunsOnce()
{
VerifyProcessingScenario(4, 10, 3);
}
[TestMethod]
public void Serial_OneWorker_TenGroup1Boards_AllCallsRunOnce()
{
VerifyProcessingScenario(1, 10, 1);
}
// Hardware-free harness using the production assignment and completion helpers.
// Calls are held at a rendezvous, so overlap is proven without timing guesses.
private static void VerifyProcessingScenario(int workers, int boards, int groups)
{
var completion = new GenesisWorkerGroupCompletion(workers);
completion.Begin(0, 1);
var sync = new object();
int currentGroup = 1, active = 0, advances = 0;
bool abort = false;
var calls = new int[groups, boards];
var finished = new int[groups];
var peaks = new int[groups];
var failures = new System.Collections.Generic.List<Exception>();
int parallelism = Math.Min(workers, boards);
var rendezvous = Enumerable.Range(0, groups).Select(_ => new CountdownEvent(parallelism)).ToArray();
var threads = Enumerable.Range(0, workers).Select(worker => new Thread(() =>
{
try
{
for (int group = 1; group <= groups; group++)
{
lock (sync)
{
while (currentGroup != group && !abort)
if (!Monitor.Wait(sync, 10000)) throw new TimeoutException("Group did not advance.");
if (abort) return;
}
bool firstCall = true;
foreach (int board in GenesisWorkerGroupCompletion.BoardIndexes(worker, workers, boards))
{
lock (sync)
{
for (int previous = 0; previous < group - 1; previous++)
Assert.AreEqual(boards, finished[previous], "Next Group 2 started before previous group completed.");
calls[group - 1, board]++;
active++;
peaks[group - 1] = Math.Max(peaks[group - 1], active);
}
if (firstCall)
{
rendezvous[group - 1].Signal();
Assert.IsTrue(rendezvous[group - 1].Wait(10000), "Assigned workers did not enter calls concurrently.");
firstCall = false;
}
lock (sync) { active--; finished[group - 1]++; }
}
if (completion.Complete(0, group, worker))
{
lock (sync)
{
Assert.AreEqual(boards, finished[group - 1]);
Assert.AreEqual(0, active);
advances++;
completion.Begin(0, group + 1);
currentGroup++;
Monitor.PulseAll(sync);
}
}
}
}
catch (Exception error)
{
lock (sync) { failures.Add(error); abort = true; Monitor.PulseAll(sync); }
}
}) { IsBackground = true }).ToArray();
foreach (var thread in threads) thread.Start();
bool allJoined = true;
foreach (var thread in threads) allJoined &= thread.Join(15000);
Assert.IsTrue(allJoined, "Workers did not terminate.");
foreach (var item in rendezvous) item.Dispose();
Assert.AreEqual(0, failures.Count, string.Join("\n", failures.Select(x => x.ToString())));
Assert.AreEqual(groups, advances);
for (int group = 0; group < groups; group++)
{
Assert.AreEqual(parallelism, peaks[group], "Unexpected maximum concurrent calls.");
for (int board = 0; board < boards; board++)
Assert.AreEqual(1, calls[group, board], "Meter was skipped or called more than once.");
}
}
}
}

2
TBFTests/TBFTests.csproj
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@ -231,7 +231,7 @@
<Target Name="AfterBuild">
</Target>
-->
<ItemGroup><Compile Include="GenesisRecoveryTests.cs" /></ItemGroup>
<ItemGroup><Compile Include="GenesisRecoveryTests.cs" /><Compile Include="GenesisParallelSchedulingTests.cs" /></ItemGroup>
<!-- Project dependencies may copy an older SQLite interop DLL with a newer timestamp. -->
<Target Name="EnsureMatchingSQLiteInterop" AfterTargets="Build">
<Copy SourceFiles="@(SQLiteInteropFiles)"