public void TestLogVerifyConfig()
{
testName = "TestLogVerifyConfig";
SetUpTest(true);
// Open enviornment.
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.UseLocking = true;
cfg.UseLogging = true;
cfg.UseMPool = true;
cfg.UseTxns = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
testHome, cfg);
// Open database.
Transaction txn = env.BeginTransaction();
BTreeDatabaseConfig dbCfg = new BTreeDatabaseConfig();
dbCfg.Env = env;
dbCfg.Creation = CreatePolicy.IF_NEEDED;
dbCfg.Duplicates = DuplicatesPolicy.UNSORTED;
BTreeDatabase db = BTreeDatabase.Open(
testName, dbCfg, txn);
txn.Commit();
// Do a lot of transactional operations to create logs.
DatabaseEntry key, data;
for (int i = 0; i < 5; i++) {
txn = env.BeginTransaction();
switch (i) {
case 0:
/*
* Put 1000 records and commit the
* transaction.
*/
for (int j = 0; j < 1000;j++) {
key = new DatabaseEntry(
BitConverter.GetBytes(j));
data = new DatabaseEntry(
BitConverter.GetBytes(j));
db.Put(key, data, txn);
}
txn.Commit();
break;
case 1:
/*
* Put 10 overflow records and commit
* the transaction.
*/
for (int j = 0; j < 10;j++) {
key = new DatabaseEntry(
BitConverter.GetBytes(j));
data = new DatabaseEntry(
new byte[1024 * 4]);
db.Put(key, data, txn);
}
txn.Commit();
break;
case 2:
/*
* Put 1000 records and abort the
* transaction.
*/
for (int j = 0; j < 1000;j++) {
key = new DatabaseEntry(
BitConverter.GetBytes(j));
data = new DatabaseEntry(
BitConverter.GetBytes(j + 1));
db.Put(key, data, txn);
}
txn.Abort();
break;
case 3:
/*
* Put 10 overflow records and abort the
* transaction.
*/
for (int j = 10; j < 20;j++) {
key = new DatabaseEntry(
BitConverter.GetBytes(j));
data = new DatabaseEntry(
new byte[1024 * 4]);
db.Put(key, data, txn);
}
txn.Abort();
break;
case 4:
// Get 100 records.
for (int j = 100; j < 200; j++) {
key = new DatabaseEntry(
BitConverter.GetBytes(j));
data = new DatabaseEntry(
BitConverter.GetBytes(j));
db.GetBoth(key, data, txn);
}
txn.Commit();
break;
}
}
// Verfiy entire log.
string tempHome = testHome + "_tmp";
Configuration.ClearDir(tempHome);
LogVerifyConfig logVerifyCfg = new LogVerifyConfig();
logVerifyCfg.CacheSize = 1024 * 10;
logVerifyCfg.ContinueAfterFail = true;
logVerifyCfg.EnvHome = tempHome;
logVerifyCfg.Verbose = true;
Assert.AreEqual(0, env.LogVerify(logVerifyCfg));
db.Close();
env.Close();
// Verify specific database.
logVerifyCfg.DbFile = testName + ".db";
logVerifyCfg.DbName = testName;
Assert.AreEqual(0, env.LogVerify(logVerifyCfg));
// Verify partial log.
DateTime time = DateTime.Now;
DateTime startTime = new DateTime(time.Year, time.Month,
time.Day, time.Hour, time.Minute - 2, time.Second);
DateTime endTime = new DateTime(time.Year, time.Month,
time.Day, time.Hour, time.Minute - 1, time.Second);
logVerifyCfg.StartTime = startTime;
logVerifyCfg.EndTime = endTime;
Assert.AreEqual(0, env.LogVerify(logVerifyCfg));
// Verfiy unexisting log.
logVerifyCfg.StartLsn = new LSN(1, 3);
logVerifyCfg.EndLsn = new LSN(2, 100);
Assert.AreEqual(0, env.LogVerify(logVerifyCfg));
Assert.AreEqual(logVerifyCfg.CacheSize, 1024 * 10);
Assert.AreEqual(logVerifyCfg.ContinueAfterFail, true);
Assert.AreEqual(logVerifyCfg.DbFile, testName + ".db");
Assert.AreEqual(logVerifyCfg.DbName, testName);
Assert.AreEqual(logVerifyCfg.EndLsn.LogFileNumber, 2);
Assert.AreEqual(logVerifyCfg.EndLsn.Offset, 100);
Assert.AreEqual(logVerifyCfg.EndTime, endTime);
Assert.AreEqual(logVerifyCfg.EnvHome, testHome + "_tmp");
Assert.AreEqual(logVerifyCfg.StartLsn.LogFileNumber, 1);
Assert.AreEqual(logVerifyCfg.StartLsn.Offset, 3);
Assert.AreEqual(logVerifyCfg.StartTime, startTime);
Assert.AreEqual(logVerifyCfg.Verbose, true);
}
/// <summary>
/// Verify log records of this environment.
/// </summary>
/// <param name="config">
/// Log verification configuration object.
/// </param>
public int LogVerify(LogVerifyConfig config)
{
String dbfile, dbname, home;
int etime, stime;
uint cachesize;
uint efile, eoffset, sfile, soffset;
int caf, ret, verbose;
caf = ret = verbose = 0;
etime = stime = 0;
home = config.EnvHome;
dbfile = config.DbFile;
dbname = config.DbName;
try {
etime = (int)config.EndTime.ToFileTimeUtc();
stime = (int)config.StartTime.ToFileTimeUtc();
} catch (Exception){}
efile = config.EndLsn.LogFileNumber;
eoffset = config.EndLsn.Offset;
sfile = config.StartLsn.LogFileNumber;
soffset = config.StartLsn.Offset;
cachesize = config.CacheSize;
if (config.Verbose)
verbose = 1;
if (config.ContinueAfterFail)
caf = 1;
try {
ret = dbenv.log_verify(home, cachesize, dbfile, dbname,
stime, etime, sfile, soffset, efile, eoffset, caf, verbose);
} catch (Exception){}
return (ret);
}