Package java.nio.channels

Examples of java.nio.channels.SocketChannel.keyFor()

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                    if ( key == null ) return;
                    NioChannel nch = key.getChannel();
                    if ( nch == null ) return;
                    SocketChannel ch = nch.getIOChannel();
                    if ( ch == null ) return;
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            if (SelectionKey.OP_WRITE==(ops&SelectionKey.OP_WRITE)) countDown(key.getWriteLatch());
                            if (SelectionKey.OP_READ==(ops&SelectionKey.OP_READ))countDown(key.getReadLatch());
                        } else {
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            int count = blockingSelect(type, timeout);
            assertEquals(1, count);
            Set<SelectionKey> selectedKeys = selector.selectedKeys();
            assertEquals(1, selectedKeys.size());
            SelectionKey key = selectedKeys.iterator().next();
            assertEquals(sc.keyFor(selector), key);
            assertEquals(SelectionKey.OP_CONNECT, key.readyOps());
            // select again, it should return 0
            count = selectOnce(type, timeout);
            assertEquals(0, count);
            // but selectedKeys remains the same as previous
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                                    case ACCEPT_THEN_READ:
                                        client = h.getServerSocketChannel().accept();
                                        client.configureBlocking(false);
                                        client.socket().setTcpNoDelay(true);
                                        client.register(selector, SelectionKey.OP_READ);
                                        SelectionKey clientKey = client.keyFor(selector);
                                        clientKey.attach(h.duplicate());
                                        break;
                                    case ACCEPT_THEN_CLOSE:
                                        client = h.getServerSocketChannel().accept();
                                        Thread.sleep(100);
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                    if ( key == null ) return;
                    NioChannel nch = key.getChannel();
                    if ( nch == null ) return;
                    SocketChannel ch = nch.getIOChannel();
                    if ( ch == null ) return;
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            sk = ch.register(selector, ops, key);
                            ref.key = sk;
                        } else if (!sk.isValid()) {
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                    if ( key == null ) return;
                    NioChannel nch = key.getChannel();
                    if ( nch == null ) return;
                    SocketChannel ch = nch.getIOChannel();
                    if ( ch == null ) return;
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            if (SelectionKey.OP_WRITE==(ops&SelectionKey.OP_WRITE)) countDown(key.getWriteLatch());
                            if (SelectionKey.OP_READ==(ops&SelectionKey.OP_READ))countDown(key.getReadLatch());
                        } else {
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            SocketChannel clientChannel = serverSocketChannel.accept();
            clientChannel.configureBlocking(false);
            clientChannel.socket().setTcpNoDelay(true);
            // Регистрируем события
            clientChannel.register(selector, SelectionKey.OP_WRITE | SelectionKey.OP_READ, new KeyAttach());
            SelectionKey clientKey = clientChannel.keyFor(selector);
            Logger.debug("New client %s.", clientChannel.getRemoteAddress());
            clientUserMap.put(clientKey, new ClientUser("Guest"));
            // Приветствие
            sendMessage(clientKey, null, "Welcome to Java chat!");
        } catch (IOException e) {
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                    if ( key == null ) return;
                    NioChannel nch = key.getChannel();
                    if ( nch == null ) return;
                    SocketChannel ch = nch.getIOChannel();
                    if ( ch == null ) return;
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            sk = ch.register(selector, ops, key);
                            ref.key = sk;
                        } else if (!sk.isValid()) {
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                    if ( key == null ) return;
                    NioChannel nch = key.getChannel();
                    if ( nch == null ) return;
                    SocketChannel ch = nch.getIOChannel();
                    if ( ch == null ) return;
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            if (SelectionKey.OP_WRITE==(ops&SelectionKey.OP_WRITE)) countDown(key.getWriteLatch());
                            if (SelectionKey.OP_READ==(ops&SelectionKey.OP_READ))countDown(key.getReadLatch());
                        } else {
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            if ( ch == null ) return;

            Runnable r = new Runnable() {
                @Override
                public void run() {
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            sk = ch.register(selector, ops, key);
                            ref.key = sk;
                        } else if (!sk.isValid()) {
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            if ( ch == null ) return;

            Runnable r = new Runnable() {
                @Override
                public void run() {
                    SelectionKey sk = ch.keyFor(selector);
                    try {
                        if (sk == null) {
                            if (SelectionKey.OP_WRITE==(ops&SelectionKey.OP_WRITE)) countDown(key.getWriteLatch());
                            if (SelectionKey.OP_READ==(ops&SelectionKey.OP_READ))countDown(key.getReadLatch());
                        } else {
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