protected override void Dispose(bool disposing)
{
if (disposing)
{
lock (this)
{
if (IsLocked())
{
Verify((byte)0);
@lock.Dispose();
}
}
}
}
public virtual void TestNativeFSLockFactory()
{
//NativeFSLockFactory f = new NativeFSLockFactory(CreateTempDir(LuceneTestCase.TestClass.SimpleName));
NativeFSLockFactory f = new NativeFSLockFactory(AppSettings.Get("tempDir", Path.GetTempPath()));
f.LockPrefix = "test";
Lock l = f.MakeLock("commit");
Lock l2 = f.MakeLock("commit");
Assert.IsTrue(l.Obtain(), "failed to obtain lock");
Assert.IsTrue(!l2.Obtain(), "succeeded in obtaining lock twice");
l.Dispose();
Assert.IsTrue(l2.Obtain(), "failed to obtain 2nd lock after first one was freed");
l2.Dispose();
// Make sure we can obtain first one again, test isLocked():
Assert.IsTrue(l.Obtain(), "failed to obtain lock");
Assert.IsTrue(l.Locked);
Assert.IsTrue(l2.Locked);
l.Dispose();
Assert.IsFalse(l.Locked);
Assert.IsFalse(l2.Locked);
}
/// <summary>
/// Calls <see cref="DoBody"/> while <i>lock</i> is obtained. Blocks if lock
/// cannot be obtained immediately. Retries to obtain lock once per second
/// until it is obtained, or until it has tried ten times. Lock is released when
/// <see cref="DoBody"/> exits. </summary>
/// <exception cref="LockObtainFailedException"> if lock could not
/// be obtained </exception>
/// <exception cref="IOException"> if <see cref="Lock.Obtain()"/> throws <see cref="IOException"/> </exception>
public virtual T Run()
{
bool locked = false;
try
{
locked = @lock.Obtain(lockWaitTimeout);
return(DoBody());
}
finally
{
if (locked)
{
@lock.Dispose();
}
}
}
public virtual void TestNativeFSLockFactoryLockExists()
{
DirectoryInfo tempDir = new DirectoryInfo(AppSettings.Get("tempDir", Path.GetTempPath()));
FileInfo lockFile = new FileInfo(/*tempDir, */ "test.lock");
lockFile.Create();
Lock l = (new NativeFSLockFactory(tempDir)).MakeLock("test.lock");
Assert.IsTrue(l.Obtain(), "failed to obtain lock");
l.Dispose();
Assert.IsFalse(l.Locked, "failed to release lock");
if (lockFile.Exists)
{
lockFile.Delete();
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
UninterruptableMonitor.Enter(this);
try
{
if (IsLocked())
{
Verify((byte)0);
@lock.Dispose();
}
}
finally
{
UninterruptableMonitor.Exit(this);
}
}
}
public virtual void TestDirectInstantiation()
{
DirectoryInfo path = CreateTempDir("testDirectInstantiation");
byte[] largeBuffer = new byte[Random().Next(256 * 1024)], largeReadBuffer = new byte[largeBuffer.Length];
for (int i = 0; i < largeBuffer.Length; i++)
{
largeBuffer[i] = (byte)i; // automatically loops with modulo
}
var dirs = new FSDirectory[] { new SimpleFSDirectory(path, null), new NIOFSDirectory(path, null), new MMapDirectory(path, null) };
for (int i = 0; i < dirs.Length; i++)
{
FSDirectory dir = dirs[i];
dir.EnsureOpen();
string fname = "foo." + i;
string lockname = "foo" + i + ".lck";
IndexOutput @out = dir.CreateOutput(fname, NewIOContext(Random()));
@out.WriteByte((byte)(sbyte)i);
@out.WriteBytes(largeBuffer, largeBuffer.Length);
@out.Dispose();
for (int j = 0; j < dirs.Length; j++)
{
FSDirectory d2 = dirs[j];
d2.EnsureOpen();
Assert.IsTrue(SlowFileExists(d2, fname));
Assert.AreEqual(1 + largeBuffer.Length, d2.FileLength(fname));
// don't do read tests if unmapping is not supported!
if (d2 is MMapDirectory && !((MMapDirectory)d2).UseUnmap)
{
continue;
}
IndexInput input = d2.OpenInput(fname, NewIOContext(Random()));
Assert.AreEqual((byte)i, input.ReadByte());
// read array with buffering enabled
Arrays.Fill(largeReadBuffer, (byte)0);
input.ReadBytes(largeReadBuffer, 0, largeReadBuffer.Length, true);
Assert.AreEqual(largeBuffer, largeReadBuffer);
// read again without using buffer
input.Seek(1L);
Arrays.Fill(largeReadBuffer, (byte)0);
input.ReadBytes(largeReadBuffer, 0, largeReadBuffer.Length, false);
Assert.AreEqual(largeBuffer, largeReadBuffer);
input.Dispose();
}
// delete with a different dir
dirs[(i + 1) % dirs.Length].DeleteFile(fname);
for (int j = 0; j < dirs.Length; j++)
{
FSDirectory d2 = dirs[j];
Assert.IsFalse(SlowFileExists(d2, fname));
}
Lock @lock = dir.MakeLock(lockname);
Assert.IsTrue(@lock.Obtain());
for (int j = 0; j < dirs.Length; j++)
{
FSDirectory d2 = dirs[j];
Lock lock2 = d2.MakeLock(lockname);
try
{
Assert.IsFalse(lock2.Obtain(1));
}
catch (LockObtainFailedException e)
{
// OK
}
}
@lock.Dispose();
// now lock with different dir
@lock = dirs[(i + 1) % dirs.Length].MakeLock(lockname);
Assert.IsTrue(@lock.Obtain());
@lock.Dispose();
}
for (int i = 0; i < dirs.Length; i++)
{
FSDirectory dir = dirs[i];
dir.EnsureOpen();
dir.Dispose();
Assert.IsFalse(dir.IsOpen);
}
}
public static void Main(string[] args)
{
if (args.Length != 7)
{
// LUCENENET specific - our wrapper console shows the correct usage
throw new ArgumentException();
//Console.WriteLine("Usage: java Lucene.Net.Store.LockStressTest myID verifierHost verifierPort lockFactoryClassName lockDirName sleepTimeMS count\n" +
// "\n" +
// " myID = int from 0 .. 255 (should be unique for test process)\n" +
// " verifierHost = hostname that LockVerifyServer is listening on\n" +
// " verifierPort = port that LockVerifyServer is listening on\n" +
// " lockFactoryClassName = primary LockFactory class that we will use\n" +
// " lockDirName = path to the lock directory (only set for Simple/NativeFSLockFactory\n" +
// " sleepTimeMS = milliseconds to pause betweeen each lock obtain/release\n" +
// " count = number of locking tries\n" +
// "\n" +
// "You should run multiple instances of this process, each with its own\n" +
// "unique ID, and each pointing to the same lock directory, to verify\n" +
// "that locking is working correctly.\n" +
// "\n" +
// "Make sure you are first running LockVerifyServer.");
//Environment.FailFast("1");
}
int arg = 0;
int myID = Convert.ToInt32(args[arg++], CultureInfo.InvariantCulture);
if (myID < 0 || myID > 255)
{
throw new ArgumentOutOfRangeException("ID", "ID must be a unique int 0..255"); // LUCENENET specific - changed from IllegalArgumentException to ArgumentOutOfRangeException (.NET convention)
//Console.WriteLine("myID must be a unique int 0..255");
//Environment.Exit(1);
}
string verifierHost = args[arg++];
int verifierPort = Convert.ToInt32(args[arg++], CultureInfo.InvariantCulture);
string lockFactoryClassName = args[arg++];
string lockDirName = args[arg++];
int sleepTimeMS = Convert.ToInt32(args[arg++], CultureInfo.InvariantCulture);
int count = Convert.ToInt32(args[arg++], CultureInfo.InvariantCulture);
IPAddress[] addresses = Dns.GetHostAddressesAsync(verifierHost).Result;
IPAddress addr = addresses.Length > 0 ? addresses[0] : null;
Type c;
try
{
c = Type.GetType(lockFactoryClassName);
if (c is null)
{
// LUCENENET: try again, this time with the Store namespace
c = Type.GetType("Lucene.Net.Store." + lockFactoryClassName);
}
}
catch (Exception e)
{
throw new IOException("unable to find LockClass " + lockFactoryClassName, e);
}
LockFactory lockFactory;
try
{
lockFactory = (LockFactory)Activator.CreateInstance(c);
}
catch (Exception e) when(e.IsIllegalAccessException() || e.IsInstantiationException() || e.IsClassNotFoundException())
{
throw new IOException("Cannot instantiate lock factory " + lockFactoryClassName, e);
}
// LUCENENET specific - added more explicit exception message in this case
catch (Exception e) when(e.IsClassCastException())
{
throw new IOException("unable to cast LockClass " + lockFactoryClassName + " instance to a LockFactory", e);
}
DirectoryInfo lockDir = new DirectoryInfo(lockDirName);
if (lockFactory is FSLockFactory fsLockFactory)
{
fsLockFactory.SetLockDir(lockDir);
}
Console.WriteLine("Connecting to server " + addr + " and registering as client " + myID + "...");
using Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
socket.Connect(verifierHost, verifierPort);
using Stream stream = new NetworkStream(socket);
BinaryReader intReader = new BinaryReader(stream);
BinaryWriter intWriter = new BinaryWriter(stream);
intWriter.Write(myID);
stream.Flush();
lockFactory.LockPrefix = "test";
LockFactory verifyLF = new VerifyingLockFactory(lockFactory, stream);
Lock l = verifyLF.MakeLock("test.lock");
Random rnd = new Random();
// wait for starting gun
if (intReader.ReadInt32() != 43)
{
throw new IOException("Protocol violation");
}
for (int i = 0; i < count; i++)
{
bool obtained = false;
try
{
obtained = l.Obtain(rnd.Next(100) + 10);
}
#pragma warning disable 168
catch (LockObtainFailedException e)
#pragma warning restore 168
{
}
if (obtained)
{
Thread.Sleep(sleepTimeMS);
l.Dispose();
}
if (i % 500 == 0)
{
Console.WriteLine((i * 100.0 / count) + "% done.");
}
Thread.Sleep(sleepTimeMS);
}
Console.WriteLine("Finished " + count + " tries.");
}
public static void Main(string[] args)
{
if (args.Length != 7)
{
// LUCENENET TODO: Usage depends on making this into a console application executable.
Console.WriteLine("Usage: java Lucene.Net.Store.LockStressTest myID verifierHost verifierPort lockFactoryClassName lockDirName sleepTimeMS count\n" + "\n" + " myID = int from 0 .. 255 (should be unique for test process)\n" + " verifierHost = hostname that LockVerifyServer is listening on\n" + " verifierPort = port that LockVerifyServer is listening on\n" + " lockFactoryClassName = primary LockFactory class that we will use\n" + " lockDirName = path to the lock directory (only set for Simple/NativeFSLockFactory\n" + " sleepTimeMS = milliseconds to pause betweeen each lock obtain/release\n" + " count = number of locking tries\n" + "\n" + "You should run multiple instances of this process, each with its own\n" + "unique ID, and each pointing to the same lock directory, to verify\n" + "that locking is working correctly.\n" + "\n" + "Make sure you are first running LockVerifyServer.");
Environment.FailFast("1");
}
int arg = 0;
int myID = Convert.ToInt32(args[arg++]);
if (myID < 0 || myID > 255)
{
Console.WriteLine("myID must be a unique int 0..255");
Environment.Exit(1);
}
IPHostEntry verifierHost = Dns.GetHostEntryAsync(args[arg++]).Result;
int verifierPort = Convert.ToInt32(args[arg++]);
IPAddress verifierIp = verifierHost.AddressList[0];
IPEndPoint addr = new IPEndPoint(verifierIp, verifierPort);
string lockFactoryClassName = args[arg++];
string lockDirName = args[arg++];
int sleepTimeMS = Convert.ToInt32(args[arg++]);
int count = Convert.ToInt32(args[arg++]);
Type c;
try
{
c = Type.GetType(lockFactoryClassName);
}
catch (Exception)
{
throw new IOException("unable to find LockClass " + lockFactoryClassName);
}
LockFactory lockFactory;
try
{
lockFactory = (LockFactory)Activator.CreateInstance(c);
}
catch (UnauthorizedAccessException e)
{
throw new IOException("Cannot instantiate lock factory " + lockFactoryClassName, e);
}
catch (InvalidCastException e)
{
throw new IOException("unable to cast LockClass " + lockFactoryClassName + " instance to a LockFactory", e);
}
catch (Exception e)
{
throw new IOException("InstantiationException when instantiating LockClass " + lockFactoryClassName, e);
}
DirectoryInfo lockDir = new DirectoryInfo(lockDirName);
if (lockFactory is FSLockFactory)
{
((FSLockFactory)lockFactory).SetLockDir(lockDir);
}
Console.WriteLine("Connecting to server " + addr + " and registering as client " + myID + "...");
using (Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
using (Stream @out = new NetworkStream(socket), @in = new NetworkStream(socket))
{
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
socket.Connect(verifierIp, 500);
BinaryReader intReader = new BinaryReader(@in);
BinaryWriter intWriter = new BinaryWriter(@out);
intWriter.Write(myID);
@out.Flush();
lockFactory.LockPrefix = "test";
LockFactory verifyLF = new VerifyingLockFactory(lockFactory, @in, @out);
Lock l = verifyLF.MakeLock("test.lock");
Random rnd = new Random();
// wait for starting gun
if (intReader.ReadInt32() != 43)
{
throw new IOException("Protocol violation");
}
for (int i = 0; i < count; i++)
{
bool obtained = false;
try
{
obtained = l.Obtain(rnd.Next(100) + 10);
}
#pragma warning disable 168
catch (LockObtainFailedException e)
#pragma warning restore 168
{
}
if (obtained)
{
Thread.Sleep(sleepTimeMS);
l.Dispose();
}
if (i % 500 == 0)
{
Console.WriteLine((i * 100.0 / count) + "% done.");
}
Thread.Sleep(sleepTimeMS);
}
}
}
Console.WriteLine("Finished " + count + " tries.");
}