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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2009 Oracle. All rights reserved.
*
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Xml;
using NUnit.Framework;
using BerkeleyDB;
namespace CsharpAPITest
{
[TestFixture]
public class LogConfigTest
{
private string testFixtureHome;
private string testFixtureName;
private string testName;
private string testHome;
[TestFixtureSetUp]
public void RunBeforeTests()
{
testFixtureName = "LogConfigTest";
testFixtureHome = "./TestOut/" + testFixtureName;
Configuration.ClearDir(testFixtureHome);
}
[Test]
public void TestConfig()
{
testName = "TestConfig";
/*
* Configure the fields/properties and see if
* they are updated successfully.
*/
LogConfig logConfig = new LogConfig();
XmlElement xmlElem = Configuration.TestSetUp(testFixtureName, testName);
Config(xmlElem, ref logConfig, true);
Confirm(xmlElem, logConfig, true);
}
[Test, ExpectedException(typeof(ExpectedTestException))]
public void TestFullLogBufferException()
{
testName = "TestFullLogBufferException";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
// Open an environment and configured log subsystem.
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.TxnNoSync = true;
cfg.UseTxns = true;
cfg.UseLocking = true;
cfg.UseMPool = true;
cfg.UseLogging = true;
cfg.LogSystemCfg = new LogConfig();
cfg.LogSystemCfg.AutoRemove = false;
cfg.LogSystemCfg.BufferSize = 409600;
cfg.LogSystemCfg.MaxFileSize = 10480;
cfg.LogSystemCfg.NoBuffer = false;
cfg.LogSystemCfg.ZeroOnCreate = true;
cfg.LogSystemCfg.InMemory = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(testHome, cfg);
BTreeDatabase db;
try
{
Transaction openTxn = env.BeginTransaction();
try
{
BTreeDatabaseConfig dbConfig =
new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Env = env;
db = BTreeDatabase.Open(testName + ".db", dbConfig, openTxn);
openTxn.Commit();
}
catch (DatabaseException e)
{
openTxn.Abort();
throw e;
}
Transaction writeTxn = env.BeginTransaction();
try
{
/*
* Writing 10 large records into in-memory logging
* database should throw FullLogBufferException since
* the amount of put data is larger than buffer size.
*/
byte[] byteArr = new byte[204800];
for (int i = 0; i < 10; i++)
db.Put(new DatabaseEntry(BitConverter.GetBytes(i)),
new DatabaseEntry(byteArr), writeTxn);
writeTxn.Commit();
}
catch (Exception e)
{
writeTxn.Abort();
throw e;
}
finally
{
db.Close(true);
}
}
catch (FullLogBufferException e)
{
Assert.AreEqual(ErrorCodes.DB_LOG_BUFFER_FULL, e.ErrorCode);
throw new ExpectedTestException();
}
finally
{
env.Close();
}
}
[Test]
public void TestLoggingSystemStats()
{
testName = "TestLoggingSystemStats";
testHome = testFixtureHome + "/" + testName;
string logDir = "./";
Configuration.ClearDir(testHome);
Directory.CreateDirectory(testHome + "/" + logDir);
DatabaseEnvironmentConfig cfg =
new DatabaseEnvironmentConfig();
cfg.Create = true;
cfg.UseTxns = true;
cfg.AutoCommit = true;
cfg.UseLocking = true;
cfg.UseMPool = true;
cfg.UseLogging = true;
cfg.MPoolSystemCfg = new MPoolConfig();
cfg.MPoolSystemCfg.CacheSize = new CacheInfo(0, 1048576, 1);
cfg.LogSystemCfg = new LogConfig();
cfg.LogSystemCfg.AutoRemove = false;
cfg.LogSystemCfg.BufferSize = 10240;
cfg.LogSystemCfg.Dir = logDir;
cfg.LogSystemCfg.FileMode = 755;
cfg.LogSystemCfg.ForceSync = true;
cfg.LogSystemCfg.InMemory = false;
cfg.LogSystemCfg.MaxFileSize = 1048576;
cfg.LogSystemCfg.NoBuffer = false;
cfg.LogSystemCfg.RegionSize = 204800;
cfg.LogSystemCfg.ZeroOnCreate = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(testHome, cfg);
LogStats stats = env.LoggingSystemStats();
env.PrintLoggingSystemStats();
Assert.AreEqual(10240, stats.BufferSize);
Assert.AreEqual(1, stats.CurrentFile);
Assert.AreNotEqual(0, stats.CurrentOffset);
Assert.AreEqual(1048576, stats.FileSize);
Assert.AreNotEqual(0, stats.MagicNumber);
Assert.AreNotEqual(0, stats.PermissionsMode);
Assert.AreEqual(1, stats.Records);
Assert.AreNotEqual(0, stats.RegionLockNoWait);
Assert.LessOrEqual(204800, stats.RegionSize);
Assert.AreNotEqual(0, stats.Version);
Transaction openTxn = env.BeginTransaction();
BTreeDatabaseConfig dbConfig = new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Env = env;
BTreeDatabase db = BTreeDatabase.Open(testName + ".db", dbConfig, openTxn);
openTxn.Commit();
Transaction writeTxn = env.BeginTransaction();
byte[] byteArr = new byte[1024];
for (int i = 0; i < 1000; i++)
db.Put(new DatabaseEntry(BitConverter.GetBytes(i)),
new DatabaseEntry(byteArr), writeTxn);
writeTxn.Commit();
stats = env.LoggingSystemStats();
Assert.AreNotEqual(0, stats.Bytes);
Assert.AreNotEqual(0, stats.BytesSinceCheckpoint);
Assert.AreNotEqual(0, stats.DiskFileNumber);
Assert.AreNotEqual(0, stats.DiskOffset);
Assert.AreNotEqual(0, stats.MaxCommitsPerFlush);
Assert.AreNotEqual(0, stats.MBytes);
Assert.AreNotEqual(0, stats.MBytesSinceCheckpoint);
Assert.AreNotEqual(0, stats.MinCommitsPerFlush);
Assert.AreNotEqual(0, stats.OverflowWrites);
Assert.AreNotEqual(0, stats.Syncs);
Assert.AreNotEqual(0, stats.Writes);
Assert.AreEqual(0, stats.Reads);
Assert.AreEqual(0, stats.RegionLockWait);
stats = env.LoggingSystemStats(true);
stats = env.LoggingSystemStats();
Assert.AreEqual(0, stats.Bytes);
Assert.AreEqual(0, stats.BytesSinceCheckpoint);
Assert.AreEqual(0, stats.MaxCommitsPerFlush);
Assert.AreEqual(0, stats.MBytes);
Assert.AreEqual(0, stats.MBytesSinceCheckpoint);
Assert.AreEqual(0, stats.MinCommitsPerFlush);
Assert.AreEqual(0, stats.OverflowWrites);
Assert.AreEqual(0, stats.Syncs);
Assert.AreEqual(0, stats.Writes);
Assert.AreEqual(0, stats.Reads);
env.PrintLoggingSystemStats(true, true);
db.Close();
env.Close();
}
[Test]
public void TestLsn()
{
testName = "TestLsn";
testHome = testFixtureHome + "/" + testName;
Configuration.ClearDir(testHome);
LSN lsn = new LSN(12, 411);
Assert.AreEqual(12, lsn.LogFileNumber);
Assert.AreEqual(411, lsn.Offset);
LSN newLsn = new LSN(15, 410);
Assert.AreEqual(0, LSN.Compare(lsn, lsn));
Assert.Greater(0, LSN.Compare(lsn, newLsn));
}
public static void Confirm(XmlElement
xmlElement, LogConfig logConfig, bool compulsory)
{
Configuration.ConfirmBool(xmlElement, "AutoRemove",
logConfig.AutoRemove, compulsory);
Configuration.ConfirmUint(xmlElement, "BufferSize",
logConfig.BufferSize, compulsory);
Configuration.ConfirmString(xmlElement, "Dir",
logConfig.Dir, compulsory);
Configuration.ConfirmInt(xmlElement, "FileMode",
logConfig.FileMode, compulsory);
Configuration.ConfirmBool(xmlElement, "ForceSync",
logConfig.ForceSync, compulsory);
Configuration.ConfirmBool(xmlElement, "InMemory",
logConfig.InMemory, compulsory);
Configuration.ConfirmUint(xmlElement, "MaxFileSize",
logConfig.MaxFileSize, compulsory);
Configuration.ConfirmBool(xmlElement, "NoBuffer",
logConfig.NoBuffer, compulsory);
Configuration.ConfirmUint(xmlElement, "RegionSize",
logConfig.RegionSize, compulsory);
Configuration.ConfirmBool(xmlElement, "ZeroOnCreate",
logConfig.ZeroOnCreate, compulsory);
}
public static void Config(XmlElement
xmlElement, ref LogConfig logConfig, bool compulsory)
{
uint uintValue = new uint();
int intValue = new int();
Configuration.ConfigBool(xmlElement, "AutoRemove",
ref logConfig.AutoRemove, compulsory);
if (Configuration.ConfigUint(xmlElement, "BufferSize",
ref uintValue, compulsory))
logConfig.BufferSize = uintValue;
Configuration.ConfigString(xmlElement, "Dir",
ref logConfig.Dir, compulsory);
if (Configuration.ConfigInt(xmlElement, "FileMode",
ref intValue, compulsory))
logConfig.FileMode = intValue;
Configuration.ConfigBool(xmlElement, "ForceSync",
ref logConfig.ForceSync, compulsory);
Configuration.ConfigBool(xmlElement, "InMemory",
ref logConfig.InMemory, compulsory);
if (Configuration.ConfigUint(xmlElement, "MaxFileSize",
ref uintValue, compulsory))
logConfig.MaxFileSize = uintValue;
Configuration.ConfigBool(xmlElement, "NoBuffer",
ref logConfig.NoBuffer, compulsory);
if (Configuration.ConfigUint(xmlElement, "RegionSize",
ref uintValue, compulsory))
logConfig.RegionSize = uintValue;
Configuration.ConfigBool(xmlElement, "ZeroOnCreate",
ref logConfig.ZeroOnCreate, compulsory);
}
}
}
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