string FindLeaks()
{
using (var visitor = new FindUnusedKeysVisitor())
{
using (var tr = _db.StartReadOnlyTransaction())
{
visitor.ImportAllKeys(tr);
visitor.Iterate(tr);
return(DumpUnseenKeys(visitor, " "));
}
}
}
public static void DumpLeaksCode(this IObjectDB db)
{
var leakedObjects = new Dictionary <ulong, bool>();
var leakedDictionaries = new Dictionary <ulong, bool>();
using var tr = db.StartReadOnlyTransaction();
using var visitor = new FindUnusedKeysVisitor();
visitor.ImportAllKeys(tr);
visitor.Iterate(tr);
foreach (var unseenKey in visitor.UnseenKeys())
{
var isDict = unseenKey.Key[0] == 2;
var isObject = unseenKey.Key[0] == 1;
var r = new ByteArrayReader(unseenKey.Key);
r.SkipUInt8();
var oid = r.ReadVUInt64();
if (isDict)
{
leakedDictionaries.TryAdd(oid, false);
}
else if (isObject)
{
leakedObjects.TryAdd(oid, false);
}
}
WriteSplitIdList(leakedDictionaries.Keys, "dicts", 1000);
WriteSplitIdList(leakedObjects.Keys, "objs", 1000);
}
public void CanInsertAndEnumerate()
{
var personBoris = new PersonSimple {
TenantId = 1, Email = "*****@*****.**", Name = "Boris"
};
var personLubos = new PersonSimple {
TenantId = 2, Email = "*****@*****.**", Name = "Lubos"
};
Func <IObjectDBTransaction, ISimplePersonTable> creator;
using (var tr = _db.StartTransaction())
{
creator = tr.InitRelation <ISimplePersonTable>("Person");
var personSimpleTable = creator(tr);
personSimpleTable.Insert(personBoris);
personSimpleTable.Insert(personLubos);
tr.Commit();
}
using (var tr = _db.StartReadOnlyTransaction())
{
var personSimpleTable = creator(tr);
var enumerator = personSimpleTable.GetEnumerator();
Assert.True(enumerator.MoveNext());
var person = enumerator.Current;
Assert.Equal(personBoris, person);
Assert.True(enumerator.MoveNext());
person = enumerator.Current;
Assert.Equal(personLubos, person);
Assert.False(enumerator.MoveNext(), "Only one Person should be evaluated");
}
}
void AssertNoLeaksInDb()
{
using (var visitor = new FindUnusedKeysVisitor())
{
using (var tr = _db.StartReadOnlyTransaction())
{
visitor.ImportAllKeys(tr);
visitor.Iterate(tr);
Assert.Empty(visitor.UnseenKeys());
}
}
}
public void MaterializesInlineObjectProperty()
{
ulong oid;
using (var tr = _db.StartTransaction())
{
oid = tr.Store(new Parent {
Child = new DerivedChild {
Id = 1
}
});
tr.Commit();
}
ReopenDb();
_db.RegisterType(typeof(ParentNewVersion), "Parent");
_db.RegisterType(typeof(DerivedChild));
_db.RegisterType(typeof(Child));
using (var tr = _db.StartReadOnlyTransaction())
{
var parent = (ParentNewVersion)tr.Get(oid);
Assert.NotNull(parent.Child);
Assert.Equal(1ul, parent.Child.Id);
}
}
public static void DumpLeaks(this IObjectDB db)
{
using (var tr = db.StartReadOnlyTransaction())
using (var visitor = new FindUnusedKeysVisitor())
{
visitor.ImportAllKeys(tr);
var iterator = visitor.Iterate(tr);
visitor.DumpUnseenKeys();
var leakedObjects = new List <ulong>();
foreach (var unseenKey in visitor.UnseenKeys())
{
if (unseenKey.Key[0] == 1)
{
try
{
var r = new ByteArrayReader(unseenKey.Key);
r.SkipUInt8();
var oid = r.ReadVUInt64();
leakedObjects.Add(oid);
}
catch (Exception ex)
{
Console.WriteLine($"Leak found but error has occured while reading: {ex.Message}");
}
}
}
if (leakedObjects.Count > 0)
{
Console.WriteLine("--- OBJECTS ---");
var consoleVisitor = new ToConsoleVisitorNice();
foreach (var oid in leakedObjects)
{
iterator.IterateUnseenOid(oid, consoleVisitor);
Console.WriteLine("------");
}
}
}
}
