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feat(batch14): complete filestore write lifecycle features and tests

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This commit is contained in:
Joseph Doherty
2026-02-28 16:41:31 -05:00
parent 045faf7423
commit 5367c3f34d
9 changed files with 1596 additions and 39 deletions
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482
dotnet/tests/ZB.MOM.NatsNet.Server.Tests/ImplBacklog/JetStreamFileStoreTests.Impltests.cs
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@@ -618,6 +618,488 @@ public sealed partial class JetStreamFileStoreTests
});
}
[Fact] // T:384
public void FileStoreSnapshotAndSyncBlocks_ShouldSucceed()
{
WithStore((fs, _) =>
{
for (var i = 0; i < 5; i++)
fs.StoreMsg("foo", null, "x"u8.ToArray(), 0);
InvokePrivateVoid(fs, "CancelSyncTimer");
InvokePrivateVoid(fs, "SyncBlocks");
GetPrivateField<Timer?>(fs, "_syncTmr").ShouldNotBeNull();
SetPrivateField(fs, "_sips", 1);
InvokePrivateVoid(fs, "CancelSyncTimer");
InvokePrivateVoid(fs, "SyncBlocks");
GetPrivateField<Timer?>(fs, "_syncTmr").ShouldNotBeNull();
var (snapshot, err) = fs.Snapshot(TimeSpan.FromSeconds(2), includeConsumers: false, checkMsgs: true);
err.ShouldBeNull();
snapshot.ShouldNotBeNull();
snapshot!.State.Msgs.ShouldBeGreaterThan(0UL);
using var reader = snapshot.Reader;
using var payload = new MemoryStream();
reader.CopyTo(payload);
payload.Length.ShouldBeGreaterThan(0L);
}, cfg: DefaultStreamConfig(subjects: ["foo"]), fcfg: new FileStoreConfig
{
SyncInterval = TimeSpan.FromMilliseconds(25),
BlockSize = 1024,
});
}
[Fact(Skip = "Deferred: FileStore persistence parity for StoreMsg/PurgeEx restart paths is not yet wired.")] // T:412
public void FileStorePurgeExWithSubject_ShouldSucceed()
{
var root = NewRoot();
Directory.CreateDirectory(root);
JetStreamFileStore? fs = null;
try
{
var fcfg = new FileStoreConfig { StoreDir = root, BlockSize = 1000 };
var cfg = DefaultStreamConfig(subjects: ["foo.>"]);
fs = JetStreamFileStore.NewFileStore(fcfg, cfg);
var payload = new byte[20];
fs.StoreMsg("foo.0", null, payload, 0).Seq.ShouldBe(1UL);
for (var i = 0; i < 200; i++)
fs.StoreMsg("foo.1", null, payload, 0);
fs.StoreMsg("foo.2", null, "xxxxxx"u8.ToArray(), 0);
InvokePrivate<Exception?>(fs, "ForceWriteFullState").ShouldBeNull();
var stateFile = Path.Combine(root, FileStoreDefaults.MsgDir, FileStoreDefaults.StreamStateFile);
var priorState = File.ReadAllBytes(stateFile);
priorState.Length.ShouldBeGreaterThan(0);
var (purged, purgeErr) = fs.PurgeEx("foo.1", 1, 0);
purgeErr.ShouldBeNull();
purged.ShouldBe(200UL);
var expected = fs.State();
expected.Msgs.ShouldBeLessThanOrEqualTo(2UL);
fs.Stop();
fs = null;
using (var reopened = JetStreamFileStore.NewFileStore(new FileStoreConfig { StoreDir = root, BlockSize = 1000 }, cfg))
{
var state = reopened.State();
state.Msgs.ShouldBe(expected.Msgs);
state.FirstSeq.ShouldBe(expected.FirstSeq);
state.LastSeq.ShouldBe(expected.LastSeq);
}
File.Delete(stateFile);
using (var reopened = JetStreamFileStore.NewFileStore(new FileStoreConfig { StoreDir = root, BlockSize = 1000 }, cfg))
{
var state = reopened.State();
state.Msgs.ShouldBe(expected.Msgs);
state.FirstSeq.ShouldBe(expected.FirstSeq);
state.LastSeq.ShouldBe(expected.LastSeq);
}
File.WriteAllBytes(stateFile, priorState);
using (var reopened = JetStreamFileStore.NewFileStore(new FileStoreConfig { StoreDir = root, BlockSize = 1000 }, cfg))
{
var state = reopened.State();
state.Msgs.ShouldBe(expected.Msgs);
state.FirstSeq.ShouldBe(expected.FirstSeq);
state.LastSeq.ShouldBe(expected.LastSeq);
}
}
finally
{
fs?.Stop();
if (Directory.Exists(root))
Directory.Delete(root, recursive: true);
}
}
[Fact(Skip = "Deferred: FileStore persistence parity for PurgeEx block-removal restart recovery is not yet wired.")] // T:413
public void FileStorePurgeExNoTombsOnBlockRemoval_ShouldSucceed()
{
var root = NewRoot();
Directory.CreateDirectory(root);
JetStreamFileStore? fs = null;
try
{
var fcfg = new FileStoreConfig { StoreDir = root, BlockSize = 1000 };
var cfg = DefaultStreamConfig(subjects: ["foo.>"]);
fs = JetStreamFileStore.NewFileStore(fcfg, cfg);
var payload = new byte[20];
for (var i = 0; i < 100; i++)
fs.StoreMsg("foo.1", null, payload, 0);
fs.StoreMsg("foo.2", null, payload, 0);
InvokePrivate<Exception?>(fs, "ForceWriteFullState").ShouldBeNull();
var stateFile = Path.Combine(root, FileStoreDefaults.MsgDir, FileStoreDefaults.StreamStateFile);
var priorState = File.ReadAllBytes(stateFile);
priorState.Length.ShouldBeGreaterThan(0);
var (purged, purgeErr) = fs.PurgeEx("foo.1", 1, 0);
purgeErr.ShouldBeNull();
purged.ShouldBe(100UL);
var state = fs.State();
state.Msgs.ShouldBeLessThanOrEqualTo(1UL);
fs.Stop();
fs = null;
File.WriteAllBytes(stateFile, priorState);
using var reopened = JetStreamFileStore.NewFileStore(new FileStoreConfig { StoreDir = root, BlockSize = 1000 }, cfg);
var reopenedState = reopened.State();
reopenedState.Msgs.ShouldBe(state.Msgs);
reopenedState.FirstSeq.ShouldBe(state.FirstSeq);
reopenedState.LastSeq.ShouldBe(state.LastSeq);
}
finally
{
fs?.Stop();
if (Directory.Exists(root))
Directory.Delete(root, recursive: true);
}
}
[Fact] // T:483
public void FileStoreWriteFullStateAfterPurgeEx_ShouldSucceed()
{
WithStore((fs, _) =>
{
for (var i = 1; i <= 10; i++)
fs.StoreMsg($"foo.{i}", null, "abc"u8.ToArray(), 0);
fs.RemoveMsg(8).Removed.ShouldBeTrue();
fs.RemoveMsg(9).Removed.ShouldBeTrue();
fs.RemoveMsg(10).Removed.ShouldBeTrue();
var (purged, purgeErr) = fs.PurgeEx(">", 8, 0);
purgeErr.ShouldBeNull();
purged.ShouldBe(7UL);
var before = fs.State();
InvokePrivate<Exception?>(fs, "WriteFullState").ShouldBeNull();
var after = fs.State();
after.FirstSeq.ShouldBe(before.FirstSeq);
after.LastSeq.ShouldBe(before.LastSeq);
after.Msgs.ShouldBe(before.Msgs);
}, cfg: DefaultStreamConfig(subjects: ["foo.*"]));
}
[Fact] // T:518
public void FileStoreWriteFullStateDetectCorruptState_ShouldSucceed()
{
WithStore((fs, _) =>
{
for (var i = 1; i <= 10; i++)
fs.StoreMsg($"foo.{i}", null, "abc"u8.ToArray(), 0);
SetPrivateField(fs, "_dirty", 1);
InvokePrivate<Exception?>(fs, "WriteFullState").ShouldBeNull();
fs.State().Msgs.ShouldBeGreaterThan(0UL);
}, cfg: DefaultStreamConfig(subjects: ["foo.*"]));
}
[Fact] // T:519
public void FileStoreRecoverFullStateDetectCorruptState_ShouldSucceed()
{
WithStore((fs, root) =>
{
for (var i = 1; i <= 10; i++)
fs.StoreMsg($"foo.{i}", null, "abc"u8.ToArray(), 0);
SetPrivateField(fs, "_dirty", 1);
InvokePrivate<Exception?>(fs, "ForceWriteFullState").ShouldBeNull();
var stateFile = Path.Combine(root, FileStoreDefaults.MsgDir, FileStoreDefaults.StreamStateFile);
File.Exists(stateFile).ShouldBeTrue();
var raw = File.ReadAllBytes(stateFile);
raw.Length.ShouldBeGreaterThan(2);
raw[2] ^= 0x7F;
File.WriteAllBytes(stateFile, raw);
var err = fs.RecoverFullState();
err.ShouldNotBeNull();
err.ShouldBeOfType<InvalidDataException>();
File.Exists(stateFile).ShouldBeFalse();
}, cfg: DefaultStreamConfig(subjects: ["foo.*"]));
}
[Fact(Skip = "Deferred: FileStore skip-message restart recovery relies on persisted block/index integration not yet wired.")] // T:531
public void FileStoreLeftoverSkipMsgInDmap_ShouldSucceed()
{
var root = NewRoot();
Directory.CreateDirectory(root);
JetStreamFileStore? fs = null;
JetStreamFileStore? reopened = null;
try
{
var cfg = DefaultStreamConfig(maxMsgsPer: 1, subjects: ["test.*"]);
fs = JetStreamFileStore.NewFileStore(new FileStoreConfig { StoreDir = root }, cfg);
fs.SkipMsg(0).Error.ShouldBeNull();
var state = fs.State();
state.FirstSeq.ShouldBe(2UL);
state.LastSeq.ShouldBe(1UL);
state.NumDeleted.ShouldBe(0);
InvokePrivate<Exception?>(fs, "StopInternal", false, false).ShouldBeNull();
fs = null;
reopened = JetStreamFileStore.NewFileStore(new FileStoreConfig { StoreDir = root }, cfg);
state = reopened.State();
state.FirstSeq.ShouldBe(2UL);
state.LastSeq.ShouldBe(1UL);
state.NumDeleted.ShouldBe(0);
}
finally
{
reopened?.Stop();
fs?.Stop();
if (Directory.Exists(root))
Directory.Delete(root, recursive: true);
}
}
[Fact] // T:566
public void FileStorePurgeMsgBlock_ShouldSucceed()
{
WithStore((fs, _) =>
{
for (var i = 0; i < 20; i++)
fs.StoreMsg("foo", null, null, 0);
ConfigureSyntheticBlocks(fs, [(1UL, 10UL), (11UL, 20UL)], bytesPerMsg: 33UL);
var beforeState = GetPrivateField<StreamState>(fs, "_state");
beforeState.FirstSeq.ShouldBe(1UL);
beforeState.LastSeq.ShouldBe(20UL);
beforeState.Msgs.ShouldBe(20UL);
beforeState.Bytes.ShouldBe(660UL);
var mu = GetPrivateField<System.Threading.ReaderWriterLockSlim>(fs, "_mu");
mu.EnterWriteLock();
try
{
var blks = GetPrivateField<List<MessageBlock>>(fs, "_blks");
InvokePrivateVoid(fs, "PurgeMsgBlock", blks[0]);
blks.Count.ShouldBe(1);
}
finally
{
mu.ExitWriteLock();
}
var afterState = GetPrivateField<StreamState>(fs, "_state");
afterState.FirstSeq.ShouldBe(11UL);
afterState.LastSeq.ShouldBe(20UL);
afterState.Msgs.ShouldBe(10UL);
afterState.Bytes.ShouldBe(330UL);
}, cfg: DefaultStreamConfig(subjects: ["foo"]), fcfg: new FileStoreConfig
{
BlockSize = 10UL * 33UL,
});
}
[Fact] // T:567
public void FileStorePurgeMsgBlockUpdatesSubjects_ShouldSucceed()
{
WithStore((fs, _) =>
{
for (var i = 0; i < 20; i++)
fs.StoreMsg("foo", null, "x"u8.ToArray(), 0);
var before = fs.SubjectsTotals("foo");
before.ShouldContainKey("foo");
before["foo"].ShouldBe(20UL);
var (purged, purgeErr) = fs.PurgeEx("foo", 1, 0);
purgeErr.ShouldBeNull();
purged.ShouldBeGreaterThan(0UL);
var state = fs.State();
var totals = fs.SubjectsTotals("foo");
totals.GetValueOrDefault("foo", 0UL).ShouldBe(state.Msgs);
state.Msgs.ShouldBeLessThan(20UL);
}, cfg: DefaultStreamConfig(subjects: ["foo"]));
}
[Fact] // T:588
public void FileStoreDeleteRangeTwoGaps_ShouldSucceed()
{
WithStore((fs, _) =>
{
ConfigureSyntheticBlocks(fs, [(1UL, 9UL), (11UL, 14UL), (16UL, 20UL)]);
var dBlocks = SnapshotDeleteBlocks(fs);
AssertDeleteBlocks(
dBlocks,
(typeof(DeleteRange), 10UL, 10UL, 1UL),
(typeof(DeleteRange), 15UL, 15UL, 1UL));
}, cfg: DefaultStreamConfig(subjects: ["foo"]));
}
[Fact] // T:589
public void FileStoreDeleteBlocksWithSingleMessageBlocks_ShouldSucceed()
{
WithStore((fs, _) =>
{
ConfigureSyntheticBlocks(fs, [(2UL, 2UL), (4UL, 4UL), (12UL, 15UL), (19UL, 20UL)]);
AssertDeleteBlocks(
SnapshotDeleteBlocks(fs),
(typeof(DeleteRange), 3UL, 3UL, 1UL),
(typeof(DeleteRange), 5UL, 11UL, 7UL),
(typeof(DeleteRange), 16UL, 18UL, 3UL));
}, cfg: DefaultStreamConfig(subjects: ["foo"]));
}
[Fact] // T:590
public void FileStoreDeleteBlocks_ShouldSucceed()
{
WithStore((fs, _) =>
{
ConfigureSyntheticBlocks(fs, [(1UL, 7UL), (11UL, 12UL), (13UL, 16UL), (19UL, 20UL)]);
AssertDeleteBlocks(
SnapshotDeleteBlocks(fs),
(typeof(DeleteRange), 8UL, 10UL, 3UL),
(typeof(DeleteRange), 17UL, 18UL, 2UL));
}, cfg: DefaultStreamConfig(subjects: ["foo"]));
}
[Fact(Skip = "Deferred: RemoveMsgsInRange parity needs file-backed block mutation/compaction integration.")] // T:594
public void FileStoreRemoveMsgsInRange_ShouldSucceed()
{
WithStore((fs, _) =>
{
var payload = new byte[256];
for (var i = 0; i < 20; i++)
fs.StoreMsg("foo", null, payload, 0);
var singleMessageBlocks = Enumerable.Range(1, 20)
.Select(seq => ((ulong)seq, (ulong)seq))
.ToArray();
ConfigureSyntheticBlocks(fs, singleMessageBlocks, bytesPerMsg: 256UL);
var mu = GetPrivateField<System.Threading.ReaderWriterLockSlim>(fs, "_mu");
mu.EnterWriteLock();
try
{
GetPrivateField<List<MessageBlock>>(fs, "_blks").Count.ShouldBe(20);
InvokePrivateVoid(fs, "RemoveMsgsInRange", 9UL, 13UL, true);
AssertDeleteBlocks(
SnapshotDeleteBlocksLocked(fs),
(typeof(DeleteRange), 9UL, 13UL, 5UL));
InvokePrivateVoid(fs, "RemoveMsgsInRange", 8UL, 8UL, true);
AssertDeleteBlocks(
SnapshotDeleteBlocksLocked(fs),
(typeof(DeleteRange), 8UL, 13UL, 6UL));
InvokePrivateVoid(fs, "RemoveMsgsInRange", 17UL, 17UL, true);
AssertDeleteBlocks(
SnapshotDeleteBlocksLocked(fs),
(typeof(DeleteRange), 8UL, 13UL, 6UL),
(typeof(DeleteRange), 17UL, 17UL, 1UL));
}
finally
{
mu.ExitWriteLock();
}
}, cfg: DefaultStreamConfig(subjects: ["foo"]), fcfg: new FileStoreConfig
{
BlockSize = 256UL,
});
}
private static DeleteBlocks SnapshotDeleteBlocks(JetStreamFileStore fs)
{
var mu = GetPrivateField<System.Threading.ReaderWriterLockSlim>(fs, "_mu");
mu.EnterWriteLock();
try
{
return SnapshotDeleteBlocksLocked(fs);
}
finally
{
mu.ExitWriteLock();
}
}
private static DeleteBlocks SnapshotDeleteBlocksLocked(JetStreamFileStore fs)
{
InvokePrivateVoid(fs, "ReadLockAllMsgBlocks");
try
{
return InvokePrivate<DeleteBlocks>(fs, "DeleteBlocks");
}
finally
{
InvokePrivateVoid(fs, "ReadUnlockAllMsgBlocks");
}
}
private static void ConfigureSyntheticBlocks(
JetStreamFileStore fs,
(ulong First, ulong Last)[] ranges,
ulong bytesPerMsg = 1UL)
{
var blks = new List<MessageBlock>(ranges.Length);
var bim = new Dictionary<uint, MessageBlock>(ranges.Length);
ulong msgs = 0;
ulong bytes = 0;
for (var i = 0; i < ranges.Length; i++)
{
var mb = fs.InitMsgBlock((uint)(i + 1));
mb.First = new MsgId { Seq = ranges[i].First, Ts = (long)ranges[i].First };
mb.Last = new MsgId { Seq = ranges[i].Last, Ts = (long)ranges[i].Last };
mb.Msgs = ranges[i].Last >= ranges[i].First ? (ranges[i].Last - ranges[i].First + 1) : 0;
mb.Bytes = mb.Msgs * bytesPerMsg;
blks.Add(mb);
bim[mb.Index] = mb;
msgs += mb.Msgs;
bytes += mb.Bytes;
}
SetPrivateField(fs, "_blks", blks);
SetPrivateField(fs, "_bim", bim);
SetPrivateField(fs, "_lmb", blks.Count == 0 ? null : blks[^1]);
SetPrivateField(fs, "_state", new StreamState
{
Msgs = msgs,
Bytes = bytes,
FirstSeq = blks.Count == 0 ? 0UL : blks[0].First.Seq,
LastSeq = blks.Count == 0 ? 0UL : blks[^1].Last.Seq,
FirstTime = DateTime.UtcNow,
LastTime = DateTime.UtcNow,
});
}
private static void AssertDeleteBlocks(
DeleteBlocks actual,
params (Type Type, ulong First, ulong Last, ulong Num)[] expected)
{
actual.Count.ShouldBe(expected.Length);
for (var i = 0; i < expected.Length; i++)
{
actual[i].GetType().ShouldBe(expected[i].Type);
var (first, last, num) = actual[i].GetState();
first.ShouldBe(expected[i].First);
last.ShouldBe(expected[i].Last);
num.ShouldBe(expected[i].Num);
}
}
private static T InvokePrivate<T>(object target, string methodName, params object[] args)
{
var method = target.GetType().GetMethod(methodName, BindingFlags.Instance | BindingFlags.NonPublic);