Ejemplo n.º 1
0
        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 ArgumentException("ID must be a unique int 0..255");
                //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.FirstOrDefault();

            Type c;

            try
            {
                c = Type.GetType(lockFactoryClassName);
                if (c == null)
                {
                    // LUCENENET: try again, this time with the Store namespace
                    c = Type.GetType("Lucene.Net.Store." + 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))
            {
                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.");
        }
Ejemplo n.º 2
0
 public AnonymousWith(Lock @lock, int lockWaitTimeout, Func <T> doBody)
     : base(@lock, lockWaitTimeout)
 {
     this.doBody = doBody ?? throw new ArgumentNullException(nameof(doBody));
 }
Ejemplo n.º 3
0
 /// <summary>
 /// Creates a new instance with the ability to specify the <see cref="With{T}.DoBody()"/> method
 /// through the <paramref name="doBody"/> argument
 /// <para/>
 /// Simple example:
 /// <code>
 ///     var result = Lock.With.NewAnonymous&lt;string&gt;(
 ///         @lock: directory.MakeLock("my.lock"),
 ///         lockWaitTimeout: Lock.LOCK_OBTAIN_WAIT_FOREVER,
 ///         doBody: () =>
 ///     {
 ///         //... code to execute while locked ...
 ///         return "the result";
 ///     }).Run();
 /// </code>
 /// <para/>
 /// The result of the operation is the value that is returned from <paramref name="doBody"/>
 /// (i.e. () => { return "the result"; }). The type of <typeparam name="T"/> determines the
 /// return type of the operation.
 /// </summary>
 /// <param name="lock"> the <see cref="Lock"/> instance to use </param>
 /// <param name="lockWaitTimeout"> length of time to wait in
 ///        milliseconds or
 ///        <see cref="LOCK_OBTAIN_WAIT_FOREVER"/> to retry forever </param>
 /// <param name="doBody"> a delegate method that </param>
 /// <returns>The value that is returned from the <paramref name="doBody"/> delegate method (i.e. () => { return theObject; })</returns>
 public static With <T> NewAnonymous <T>(Lock @lock, int lockWaitTimeout, Func <T> doBody)
 {
     return(new AnonymousWith <T>(@lock, lockWaitTimeout, doBody));
 }
Ejemplo n.º 4
0
            private readonly long lockWaitTimeout; // LUCENENET: marked readonly

            /// <summary>
            /// Constructs an executor that will grab the named <paramref name="lock"/>. </summary>
            /// <param name="lock"> the <see cref="Lock"/> instance to use </param>
            /// <param name="lockWaitTimeout"> length of time to wait in
            ///        milliseconds or
            ///        <see cref="LOCK_OBTAIN_WAIT_FOREVER"/> to retry forever </param>
            protected With(Lock @lock, long lockWaitTimeout) // LUCENENET: CA1012: Abstract types should not have constructors (marked protected)
            {
                this.@lock           = @lock;
                this.lockWaitTimeout = lockWaitTimeout;
            }