public void VerifyValidityCatchesInvalidCrstmap()
{
var x = new JET_RSTINFO {
crstmap = 1
};
x.CheckMembersAreValid();
}
public void VerifyValidityCatchesTooLongCrstmap()
{
var x = new JET_RSTINFO {
crstmap = 3, rgrstmap = new JET_RSTMAP[2]
};
x.CheckMembersAreValid();
}
public void VerifyValidityCatchesNegativeCrstmap()
{
var x = new JET_RSTINFO {
crstmap = -1
};
x.CheckMembersAreValid();
}
public void JetRstinfoToString()
{
var value = new JET_RSTINFO()
{
crstmap = 3,
};
Assert.AreEqual("JET_RSTINFO(crstmap=3)", value.ToString());
}
public void VerifyRstinfoCanBeSerialized()
{
var expected = new JET_RSTINFO
{
crstmap = 1,
lgposStop = Any.Lgpos,
logtimeStop = Any.Logtime,
rgrstmap = new[] { new JET_RSTMAP {
szDatabaseName = "foo", szNewDatabaseName = "bar"
} },
};
SerializeAndCompareContent(expected);
}
/// <summary>
/// Recovery to an alternate path with JetInit3.
/// </summary>
private void RecoverAlternatePathWithJetInit3()
{
using (var instance = this.CreateInstance())
{
instance.Init();
using (var session = new Session(instance))
{
Api.JetAttachDatabase(session, this.database, AttachDatabaseGrbit.None);
JET_DBID dbid;
Api.JetOpenDatabase(session, this.database, string.Empty, out dbid, OpenDatabaseGrbit.None);
}
}
#if !MANAGEDESENT_ON_WSA // The File model in Windows Store Apps has changed.
// Delete the database and checkpoint
File.Delete(this.database);
File.Delete(Path.Combine(this.databaseDirectory, "edb.chk"));
#endif
// Recovery to a different database
string newDatabaseName = this.database + ".moved";
var recoveryOptions = new JET_RSTINFO
{
crstmap = 1,
pfnStatus = this.StatusCallback,
rgrstmap = new[]
{
new JET_RSTMAP {
szDatabaseName = this.database, szNewDatabaseName = newDatabaseName
},
},
};
JET_INSTANCE recoveryInstance;
Api.JetCreateInstance(out recoveryInstance, "JetInit3");
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.LogFileSize, 128, null);
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.LogFilePath, 0, this.databaseDirectory);
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.TempPath, 0, this.databaseDirectory);
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.SystemPath, 0, this.databaseDirectory);
VistaApi.JetInit3(ref recoveryInstance, recoveryOptions, InitGrbit.None);
Api.JetTerm(recoveryInstance);
#if !MANAGEDESENT_ON_WSA // The File model in Windows Store Apps has changed.
Assert.IsTrue(EseInteropTestHelper.FileExists(newDatabaseName), "New database ({0}) doesn't exist", newDatabaseName);
Assert.IsFalse(EseInteropTestHelper.FileExists(this.database), "Old database ({0}) still exists", this.database);
File.Move(newDatabaseName, this.database);
#endif
}
public void VerifyJetRstinfoEquality()
{
DateTime now = DateTime.Now;
JET_PFNSTATUS status = (sesid, snp, snt, data) => JET_err.Success;
var x = new JET_RSTINFO
{
crstmap = 1,
lgposStop = new JET_LGPOS {
ib = 1, isec = 2, lGeneration = 3
},
logtimeStop = new JET_LOGTIME(now),
pfnStatus = status,
rgrstmap = new[] { new JET_RSTMAP {
szDatabaseName = "foo", szNewDatabaseName = "bar"
} },
};
var y = new JET_RSTINFO
{
crstmap = 1,
lgposStop = new JET_LGPOS {
ib = 1, isec = 2, lGeneration = 3
},
logtimeStop = new JET_LOGTIME(now),
pfnStatus = status,
rgrstmap = new[]
{
new JET_RSTMAP {
szDatabaseName = "foo", szNewDatabaseName = "bar"
},
new JET_RSTMAP {
szDatabaseName = "foo", szNewDatabaseName = "bar"
}
},
};
TestContentEquals(x, y);
}
public void VerifyJetRstinfoInequality()
{
DateTime now = DateTime.Now;
JET_PFNSTATUS status = (sesid, snp, snt, data) => JET_err.Success;
var values = new JET_RSTINFO[7];
for (int i = 0; i < values.Length; ++i)
{
values[i] = new JET_RSTINFO
{
crstmap = 1,
lgposStop = new JET_LGPOS {
ib = 1, isec = 2, lGeneration = 3
},
logtimeStop = new JET_LOGTIME(now),
pfnStatus = status,
rgrstmap = new[] { new JET_RSTMAP {
szDatabaseName = "foo", szNewDatabaseName = "bar"
} },
};
}
int j = 1;
values[j++].crstmap--;
values[j++].lgposStop = Any.Lgpos;
values[j++].logtimeStop = Any.Logtime;
values[j++].pfnStatus = (sesid, snp, snt, data) => JET_err.OutOfMemory;
values[j++].rgrstmap = new[] { new JET_RSTMAP {
szDatabaseName = "foo", szNewDatabaseName = "baz"
} };
values[j++] = new JET_RSTINFO();
Debug.Assert(j == values.Length, "Didn't fill in all entries of values", values.Length.ToString());
VerifyAll(values);
}
/// <summary>
/// Recovery to an alternate path with JetInit3.
/// </summary>
private void RecoverAlternatePathWithJetInit3()
{
using (var instance = this.CreateInstance())
{
instance.Init();
using (var session = new Session(instance))
{
Api.JetAttachDatabase(session, this.database, AttachDatabaseGrbit.None);
JET_DBID dbid;
Api.JetOpenDatabase(session, this.database, String.Empty, out dbid, OpenDatabaseGrbit.None);
}
}
// Delete the database and checkpoint
File.Delete(this.database);
File.Delete(Path.Combine(this.databaseDirectory, "edb.chk"));
// Recovery to a different database
string newDatabaseName = this.database + ".moved";
var recoveryOptions = new JET_RSTINFO
{
crstmap = 1,
pfnStatus = this.StatusCallback,
rgrstmap = new[]
{
new JET_RSTMAP { szDatabaseName = this.database, szNewDatabaseName = newDatabaseName },
},
};
JET_INSTANCE recoveryInstance;
Api.JetCreateInstance(out recoveryInstance, "JetInit3");
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.LogFileSize, 128, null);
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.LogFilePath, 0, this.databaseDirectory);
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.TempPath, 0, this.databaseDirectory);
Api.JetSetSystemParameter(recoveryInstance, JET_SESID.Nil, JET_param.SystemPath, 0, this.databaseDirectory);
VistaApi.JetInit3(ref recoveryInstance, recoveryOptions, InitGrbit.None);
Api.JetTerm(recoveryInstance);
Assert.IsTrue(File.Exists(newDatabaseName), "New database ({0}) doesn't exist", newDatabaseName);
Assert.IsFalse(File.Exists(this.database), "Old database ({0}) still exists", this.database);
File.Move(newDatabaseName, this.database);
}
public void VerifyValidityCatchesTooLongCrstmap()
{
var x = new JET_RSTINFO { crstmap = 3, rgrstmap = new JET_RSTMAP[2] };
x.CheckMembersAreValid();
}
public void VerifyValidityCatchesInvalidCrstmap()
{
var x = new JET_RSTINFO { crstmap = 1 };
x.CheckMembersAreValid();
}
public void VerifyValidityCatchesNegativeCrstmap()
{
var x = new JET_RSTINFO { crstmap = -1 };
x.CheckMembersAreValid();
}
public void Init(JET_RSTINFO recoveryOptions, InitGrbit grbit)
{
this.CheckObjectIsNotDisposed();
JET_INSTANCE instance = this.JetInstance;
// Use a constrained region so that the handle is
// always set after JetInit3 is called.
RuntimeHelpers.PrepareConstrainedRegions();
try
{
// Remember that a failure in JetInit can zero the handle
// and that JetTerm should not be called in that case.
VistaApi.JetInit3(ref instance, recoveryOptions, grbit);
}
finally
{
this.SetHandle(instance.Value);
}
}
/// <summary>
/// Initialize the ESENT database engine.
/// </summary>
/// <param name="instance">
/// The instance to initialize. If an instance hasn't been
/// allocated then a new one is created and the engine
/// will operate in single-instance mode.
/// </param>
/// <param name="recoveryOptions">
/// Additional recovery parameters for remapping databases during
/// recovery, position where to stop recovery at, or recovery status.
/// </param>
/// <param name="grbit">
/// Initialization options.
/// </param>
/// <returns>
/// A warning code.
/// </returns>
public static JET_wrn JetInit3(ref JET_INSTANCE instance, JET_RSTINFO recoveryOptions, InitGrbit grbit)
{
return(Api.Check(Api.Impl.JetInit3(ref instance, recoveryOptions, grbit)));
}
/// <summary>
/// Initialize the ESENT database engine.
/// </summary>
/// <param name="instance">
/// The instance to initialize. If an instance hasn't been
/// allocated then a new one is created and the engine
/// will operate in single-instance mode.
/// </param>
/// <param name="recoveryOptions">
/// Additional recovery parameters for remapping databases during
/// recovery, position where to stop recovery at, or recovery status.
/// </param>
/// <param name="grbit">
/// Initialization options.
/// </param>
/// <returns>
/// A warning code.
/// </returns>
public static JET_wrn JetInit3(ref JET_INSTANCE instance, JET_RSTINFO recoveryOptions, InitGrbit grbit)
{
return Api.Check(Api.Impl.JetInit3(ref instance, recoveryOptions, grbit));
}
public void JetRstinfoToString()
{
var value = new JET_RSTINFO()
{
crstmap = 3,
};
Assert.AreEqual("JET_RSTINFO(crstmap=3)", value.ToString());
}
