Cancel() public méthode

public Cancel ( ) : void
Résultat void
        private void EncodeThread()
        {
            for (;;)
            {
                Thread.Sleep(1000 * 1);
                if (this.State == ManagerState.Stop) return;

                BackgroundUploadItem item = null;

                try
                {
                    lock (_thisLock)
                    {
                        if (_settings.UploadItems.Count > 0)
                        {
                            item = _settings.UploadItems
                                .Where(n => n.State == BackgroundUploadState.Encoding)
                                .FirstOrDefault();
                        }
                    }
                }
                catch (Exception)
                {
                    return;
                }

                if (item == null) continue;

                try
                {
                    if (item.Groups.Count == 0 && item.Keys.Count == 0)
                    {
                        Stream stream = null;

                        try
                        {
                            if (item.Scheme == "Broadcast")
                            {
                                if (item.Type == "Link")
                                {
                                    var value = item.Link;
                                    if (value == null) throw new FormatException();

                                    stream = ContentConverter.ToStream(value);
                                }
                                else if (item.Type == "Profile")
                                {
                                    var value = item.Profile;
                                    if (value == null) throw new FormatException();

                                    stream = ContentConverter.ToStream(value);
                                }
                                else if (item.Type == "Store")
                                {
                                    var value = item.Store;
                                    if (value == null) throw new FormatException();

                                    stream = ContentConverter.ToStream(value);
                                }
                            }
                            else if (item.Scheme == "Unicast")
                            {
                                if (item.Type == "Message")
                                {
                                    var value = item.Message;
                                    if (value == null) throw new FormatException();

                                    stream = ContentConverter.ToCryptoStream(value, item.ExchangePublicKey);
                                }
                            }
                            else if (item.Scheme == "Multicast")
                            {
                                if (item.Type == "Message")
                                {
                                    var value = item.Message;
                                    if (value == null) throw new FormatException();

                                    stream = ContentConverter.ToStream(value);
                                }
                            }
                            else
                            {
                                throw new FormatException();
                            }

                            if (stream.Length == 0)
                            {
                                lock (_thisLock)
                                {
                                    if (item.Scheme == "Broadcast")
                                    {
                                        _connectionsManager.Upload(new BroadcastMetadata(item.Type, item.CreationTime, null, item.DigitalSignature));
                                    }
                                    else if (item.Scheme == "Unicast")
                                    {
                                        _connectionsManager.Upload(new UnicastMetadata(item.Type, item.Signature, item.CreationTime, null, item.DigitalSignature));
                                    }
                                    else if (item.Scheme == "Multicast")
                                    {
                                        _connectionsManager.Upload(new MulticastMetadata(item.Type, item.Tag, item.CreationTime, null, null, item.DigitalSignature));
                                    }

                                    item.State = BackgroundUploadState.Completed;
                                }
                            }
                            else
                            {
                                KeyCollection keys = null;

                                try
                                {
                                    using (ProgressStream encodingProgressStream = new ProgressStream(stream, (object sender, long readSize, long writeSize, out bool isStop) =>
                                    {
                                        isStop = (this.State == ManagerState.Stop || !_settings.UploadItems.Contains(item));
                                    }, 1024 * 1024, true))
                                    {
                                        if (stream.Length == 0) throw new InvalidOperationException("Stream Length");

                                        encodingProgressStream.Seek(0, SeekOrigin.Begin);

                                        item.State = BackgroundUploadState.Encoding;
                                        keys = _cacheManager.Encoding(encodingProgressStream, CompressionAlgorithm.None, CryptoAlgorithm.None, null, item.BlockLength, item.HashAlgorithm);
                                    }
                                }
                                catch (StopIoException)
                                {
                                    continue;
                                }

                                lock (_thisLock)
                                {
                                    if (!_settings.UploadItems.Contains(item))
                                    {
                                        foreach (var key in keys)
                                        {
                                            _cacheManager.Unlock(key);
                                        }

                                        continue;
                                    }

                                    foreach (var key in keys)
                                    {
                                        item.UploadKeys.Add(key);
                                        item.LockedKeys.Add(key);
                                    }

                                    item.Keys.AddRange(keys);
                                }
                            }
                        }
                        finally
                        {
                            if (stream != null) stream.Dispose();
                        }
                    }
                    else if (item.Groups.Count == 0 && item.Keys.Count == 1)
                    {
                        BroadcastMetadata broadcastMetadata = null;
                        UnicastMetadata unicastMetadata = null;
                        MulticastMetadata multicastMetadata = null;

                        {
                            var metadata = new Metadata(item.Depth, item.Keys[0], CompressionAlgorithm.None, CryptoAlgorithm.None, null);

                            if (item.Scheme == "Broadcast")
                            {
                                broadcastMetadata = new BroadcastMetadata(item.Type, item.CreationTime, metadata, item.DigitalSignature);
                            }
                            else if (item.Scheme == "Unicast")
                            {
                                unicastMetadata = new UnicastMetadata(item.Type, item.Signature, item.CreationTime, metadata, item.DigitalSignature);
                            }
                            else if (item.Scheme == "Multicast")
                            {
                                var miner = new Miner(CashAlgorithm.Version1, item.MiningLimit, item.MiningTime);

                                try
                                {
                                    var task = Task.Run(() =>
                                    {
                                        return new MulticastMetadata(item.Type, item.Tag, item.CreationTime, metadata, miner, item.DigitalSignature);
                                    });

                                    while (!task.IsCompleted)
                                    {
                                        if (this.State == ManagerState.Stop) miner.Cancel();

                                        lock (_thisLock)
                                        {
                                            if (!_settings.UploadItems.Contains(item))
                                            {
                                                miner.Cancel();
                                            }
                                        }

                                        Thread.Sleep(1000);
                                    }

                                    multicastMetadata = task.Result;
                                }
                                catch (Exception)
                                {
                                    continue;
                                }
                            }
                        }

                        lock (_thisLock)
                        {
                            if (!_settings.UploadItems.Contains(item)) continue;

                            if (item.Scheme == "Broadcast")
                            {
                                _connectionsManager.Upload(broadcastMetadata);
                            }
                            else if (item.Scheme == "Unicast")
                            {
                                _connectionsManager.Upload(unicastMetadata);
                            }
                            else if (item.Scheme == "Multicast")
                            {
                                _connectionsManager.Upload(multicastMetadata);
                            }

                            item.Keys.Clear();

                            foreach (var key in item.UploadKeys)
                            {
                                _connectionsManager.Upload(key);
                            }

                            item.State = BackgroundUploadState.Uploading;

                            this.CheckState(item);
                        }
                    }
                    else if (item.Keys.Count > 0)
                    {
                        var length = Math.Min(item.Keys.Count, 128);
                        var keys = new KeyCollection(item.Keys.Take(length));
                        Group group = null;

                        try
                        {
                            using (var tokenSource = new CancellationTokenSource())
                            {
                                var task = _cacheManager.ParityEncoding(keys, item.HashAlgorithm, item.BlockLength, item.CorrectionAlgorithm, tokenSource.Token);

                                while (!task.IsCompleted)
                                {
                                    if (this.State == ManagerState.Stop || !_settings.UploadItems.Contains(item)) tokenSource.Cancel();

                                    Thread.Sleep(1000);
                                }

                                group = task.Result;
                            }
                        }
                        catch (Exception)
                        {
                            continue;
                        }

                        lock (_thisLock)
                        {
                            if (!_settings.UploadItems.Contains(item))
                            {
                                foreach (var key in group.Keys.Skip(group.InformationLength))
                                {
                                    _cacheManager.Unlock(key);
                                }

                                continue;
                            }

                            foreach (var key in group.Keys.Skip(group.InformationLength))
                            {
                                item.UploadKeys.Add(key);
                                item.LockedKeys.Add(key);
                            }

                            item.Groups.Add(group);

                            item.Keys.RemoveRange(0, length);
                        }
                    }
                    else if (item.Groups.Count > 0 && item.Keys.Count == 0)
                    {
                        var index = new Index();
                        index.Groups.AddRange(item.Groups);

                        KeyCollection keys = null;

                        try
                        {
                            using (var stream = index.Export(_bufferManager))
                            using (ProgressStream encodingProgressStream = new ProgressStream(stream, (object sender, long readSize, long writeSize, out bool isStop) =>
                            {
                                isStop = (this.State == ManagerState.Stop || !_settings.UploadItems.Contains(item));
                            }, 1024 * 1024, true))
                            {
                                encodingProgressStream.Seek(0, SeekOrigin.Begin);

                                item.State = BackgroundUploadState.Encoding;
                                keys = _cacheManager.Encoding(encodingProgressStream, CompressionAlgorithm.None, CryptoAlgorithm.None, null, item.BlockLength, item.HashAlgorithm);
                            }
                        }
                        catch (StopIoException)
                        {
                            continue;
                        }

                        lock (_thisLock)
                        {
                            if (!_settings.UploadItems.Contains(item))
                            {
                                foreach (var key in keys)
                                {
                                    _cacheManager.Unlock(key);
                                }

                                continue;
                            }

                            foreach (var key in keys)
                            {
                                item.UploadKeys.Add(key);
                                item.LockedKeys.Add(key);
                            }

                            item.Keys.AddRange(keys);
                            item.Depth++;
                            item.Groups.Clear();
                        }
                    }
                }
                catch (Exception e)
                {
                    item.State = BackgroundUploadState.Error;

                    Log.Error(e);

                    this.Remove(item);
                }
            }
        }
        public void Test_Miner()
        {
            //{
            //    var key = NetworkConverter.FromHexString("e0ee19d617ee6ea9ea592afbdf71bafba6eecde2beba0d3cdc51419522fe5dbdf18f6830081be1615969b1fe43344fac3c312cd86a487cb1bd04f2c44cddca11");
            //    var value = NetworkConverter.FromHexString("01010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101");

            //    var count = Verify_1(key, value);
            //}

            {
                Miner miner = new Miner(CashAlgorithm.Version1, -1, new TimeSpan(0, 0, 1));

                Cash cash = null;

                Stopwatch sw = new Stopwatch();
                sw.Start();

                using (MemoryStream stream = new MemoryStream(NetworkConverter.FromHexString("0101010101010101")))
                {
                    cash = miner.Create(stream);
                }

                sw.Stop();
                Assert.IsTrue(sw.ElapsedMilliseconds < 1000 * 30);
            }

            {
                Miner miner = new Miner(CashAlgorithm.Version1, 20, new TimeSpan(1, 0, 0));

                Cash cash = null;

                using (MemoryStream stream = new MemoryStream(NetworkConverter.FromHexString("0101010101010101")))
                {
                    cash = miner.Create(stream);

                    stream.Seek(0, SeekOrigin.Begin);
                    Assert.IsTrue(Miner.Verify(cash, stream) >= 20);
                }
            }

            {
                Miner miner = new Miner(CashAlgorithm.Version1, 0, TimeSpan.Zero);

                Cash cash = null;

                using (MemoryStream stream = new MemoryStream(NetworkConverter.FromHexString("0101010101010101")))
                {
                    cash = miner.Create(stream);
                }

                Assert.IsTrue(cash == null);
            }

            {
                Stopwatch sw = new Stopwatch();
                sw.Start();

                Assert.Throws<AggregateException>(() =>
                {
                    Miner miner = new Miner(CashAlgorithm.Version1, -1, new TimeSpan(1, 0, 0));

                    var task = Task.Factory.StartNew(() =>
                    {
                        Cash cash = null;

                        using (MemoryStream stream = new MemoryStream(NetworkConverter.FromHexString("0101010101010101")))
                        {
                            cash = miner.Create(stream);
                        }
                    });

                    Thread.Sleep(1000);

                    miner.Cancel();

                    task.Wait();
                });

                sw.Stop();
                Assert.IsTrue(sw.ElapsedMilliseconds < 1000 * 30);
            }
        }
        private void UploadThread()
        {
            for (; ; )
            {
                Thread.Sleep(1000 * 1);
                if (this.State == ManagerState.Stop) return;

                {
                    UploadItem item = null;

                    lock (this.ThisLock)
                    {
                        if (_settings.UploadItems.Count > 0)
                        {
                            item = _settings.UploadItems[0];
                        }
                    }

                    try
                    {
                        if (item != null)
                        {
                            ArraySegment<byte> buffer = new ArraySegment<byte>();

                            try
                            {
                                if (item.Type == "Profile")
                                {
                                    buffer = ContentConverter.ToProfileBlock(item.Profile);
                                }
                                else if (item.Type == "SignatureMessage")
                                {
                                    buffer = ContentConverter.ToSignatureMessageBlock(item.SignatureMessage, item.ExchangePublicKey);
                                }
                                else if (item.Type == "WikiDocument")
                                {
                                    buffer = ContentConverter.ToWikiDocumentBlock(item.WikiDocument);
                                }
                                else if (item.Type == "ChatMessage")
                                {
                                    buffer = ContentConverter.ToChatMessageBlock(item.ChatMessage);
                                }

                                Key key = null;

                                {
                                    if (_hashAlgorithm == HashAlgorithm.Sha256)
                                    {
                                        key = new Key(Sha256.ComputeHash(buffer), _hashAlgorithm);
                                    }

                                    this.Lock(key);
                                }

                                _cacheManager[key] = buffer;
                                _connectionsManager.Upload(key);

                                var miner = new Miner(CashAlgorithm.Version1, item.MiningLimit, item.MiningTime);

                                var task = Task.Factory.StartNew(() =>
                                {
                                    if (item.Type == "Profile")
                                    {
                                        var metadata = new ProfileMetadata(item.Profile.CreationTime, key, item.DigitalSignature);
                                        _connectionsManager.Upload(metadata);
                                    }
                                    else if (item.Type == "SignatureMessage")
                                    {
                                        var metadata = new SignatureMessageMetadata(item.SignatureMessage.Signature, item.SignatureMessage.CreationTime, key, miner, item.DigitalSignature);
                                        _connectionsManager.Upload(metadata);
                                    }
                                    else if (item.Type == "WikiDocument")
                                    {
                                        var metadata = new WikiDocumentMetadata(item.WikiDocument.Tag, item.WikiDocument.CreationTime, key, miner, item.DigitalSignature);
                                        _connectionsManager.Upload(metadata);
                                    }
                                    else if (item.Type == "ChatMessage")
                                    {
                                        var metadata = new ChatMessageMetadata(item.ChatMessage.Tag, item.ChatMessage.CreationTime, key, miner, item.DigitalSignature);
                                        _connectionsManager.Upload(metadata);
                                    }
                                });

                                while (!task.IsCompleted)
                                {
                                    if (this.State == ManagerState.Stop) miner.Cancel();

                                    lock (this.ThisLock)
                                    {
                                        if (!_settings.UploadItems.Contains(item))
                                        {
                                            miner.Cancel();
                                        }
                                    }

                                    Thread.Sleep(1000);
                                }

                                if (task.Exception != null) throw task.Exception;

                                lock (this.ThisLock)
                                {
                                    _settings.UploadItems.Remove(item);
                                }
                            }
                            finally
                            {
                                if (buffer.Array != null)
                                {
                                    _bufferManager.ReturnBuffer(buffer.Array);
                                }
                            }
                        }
                    }
                    catch (Exception)
                    {

                    }
                }
            }
        }