Examples of SelectionKey

java.nio.channels.SelectionKey
A key that representing the relationship of a channel and the selector.

Examples of java.nio.channels.SelectionKey

        RubyTCPSocket socket = new RubyTCPSocket(context.getRuntime(), context.getRuntime().fastGetClass("TCPSocket"));
        Selector selector = null;
        try {
            ssc.configureBlocking(false);
            selector = Selector.open();
            SelectionKey key = ssc.register(selector, SelectionKey.OP_ACCEPT);
            
            int selected = selector.selectNow();
            if (selected == 0) {
                // no connection immediately accepted, let them try again
                throw context.getRuntime().newErrnoEAGAINError("Resource temporarily unavailable");

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Examples of java.nio.channels.SelectionKey


            Selector selector = null;
            try {
                selector = Selector.open();
                nim.channel.configureBlocking(false);
                SelectionKey key = nim.channel.register(selector, SelectionKey.OP_READ);
                int n = selector.select(timeout);


                if(n > 0) {
                    IRubyObject readItems = io.read(new IRubyObject[]{recv.getRuntime().newFixnum(1024*16)});
                    return buf.concat(readItems);

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Examples of java.nio.channels.SelectionKey

                    // Register any new blocking I/O requests
                    //
                    IOChannel ch;
                    Set<SelectableChannel> added = new HashSet<SelectableChannel>();
                    while ((ch = registrationQueue.poll()) != null) {
                        SelectionKey k = ch.channel.keyFor(selector);
                        List<IOChannel> waitq = k == null
                                ? new LinkedList<IOChannel>()
                                : (List<IOChannel>) k.attachment();
                        ch.channel.register(selector, ch.ops, waitq);
                        waitq.add(ch);
                        added.add(ch.channel);
                    }


                    // Now clear out any previously selected channels
                    for (SelectionKey k : selected) {
                        if (!added.contains(k.channel())) {
                            k.cancel();
                        }
                    }


                    //
                    // Wait for I/O on any channel

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Examples of java.nio.channels.SelectionKey

                    selectable.configureBlocking(false);
                    
                    io.addBlockingThread(this);
                    currentSelector = selectable.provider().openSelector();


                    SelectionKey key = selectable.register(currentSelector, ops);


                    int result = currentSelector.select();


                    // check for thread events, in case we've been woken up to die
                    pollThreadEvents();

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Examples of java.nio.channels.SelectionKey

           return false;
       }
       
       ((SelectableChannel) channel).configureBlocking(false);
       int real_ops = ((SelectableChannel) channel).validOps() & ops;
       SelectionKey key = ((SelectableChannel) channel).keyFor(selector);
       
       if (key == null) {
           ((SelectableChannel) channel).register(selector, real_ops, obj);
       } else {
           key.interestOps(key.interestOps()|real_ops);
       }
       
       return true;
    }

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Examples of java.nio.channels.SelectionKey

           
           List r = new ArrayList();
           List w = new ArrayList();
           List e = new ArrayList();
           for (Iterator i = selector.selectedKeys().iterator(); i.hasNext(); ) {
               SelectionKey key = (SelectionKey) i.next();
               if ((key.interestOps() & key.readyOps()
                       & (SelectionKey.OP_READ|SelectionKey.OP_ACCEPT|SelectionKey.OP_CONNECT)) != 0) {
                   r.add(key.attachment());
                   pending.remove(key.attachment());
               }
               if ((key.interestOps() & key.readyOps() & (SelectionKey.OP_WRITE)) != 0) {
                   w.add(key.attachment());
               }
           }
           r.addAll(pending);
           r.addAll(unselectable_reads);
           w.addAll(unselectable_writes);
           
           // make all sockets blocking as configured again
           for (Iterator i = selector.keys().iterator(); i.hasNext(); ) {
               SelectionKey key = (SelectionKey) i.next();
               SelectableChannel channel = key.channel();
               synchronized(channel.blockingLock()) {
                   RubyIO originalIO = (RubyIO) TypeConverter.convertToType(
                           (IRubyObject) key.attachment(), runtime.getIO(),
                           MethodIndex.TO_IO, "to_io");
                   boolean blocking = originalIO.getBlocking();
                   key.cancel();
                   channel.configureBlocking(blocking);
               }
           }
           selector.close();

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Examples of java.nio.channels.SelectionKey

       
        Selector selector = Selector.open();


        ((SelectableChannel) channel).configureBlocking(false);
        int real_ops = ((SelectableChannel) channel).validOps() & SelectionKey.OP_WRITE;
        SelectionKey key = ((SelectableChannel) channel).keyFor(selector);
       
        if (key == null) {
            ((SelectableChannel) channel).register(selector, real_ops, descriptor);
        } else {
            key.interestOps(key.interestOps()|real_ops);
        }


        while(selector.select() == 0);


        for (Iterator i = selector.selectedKeys().iterator(); i.hasNext(); ) {
            SelectionKey skey = (SelectionKey) i.next();
            if ((skey.interestOps() & skey.readyOps() & (SelectionKey.OP_WRITE)) != 0) {
                if(skey.attachment() == descriptor) {
                    return true;
                }
            }
        }
        return false;

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Examples of java.nio.channels.SelectionKey

       
        Selector selector = Selector.open();


        ((SelectableChannel) channel).configureBlocking(false);
        int real_ops = ((SelectableChannel) channel).validOps() & (SelectionKey.OP_READ | SelectionKey.OP_ACCEPT);
        SelectionKey key = ((SelectableChannel) channel).keyFor(selector);
       
        if (key == null) {
            ((SelectableChannel) channel).register(selector, real_ops, descriptor);
        } else {
            key.interestOps(key.interestOps()|real_ops);
        }


        while(selector.select() == 0);


        for (Iterator i = selector.selectedKeys().iterator(); i.hasNext(); ) {
            SelectionKey skey = (SelectionKey) i.next();
            if ((skey.interestOps() & skey.readyOps() & (SelectionKey.OP_READ | SelectionKey.OP_ACCEPT)) != 0) {
                if(skey.attachment() == descriptor) {
                    return true;
                }
            }
        }
        return false;

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Examples of java.nio.channels.SelectionKey

    }


    @Override
    protected void destroy(NioSession session) throws Exception {
        ByteChannel ch = session.getChannel();
        SelectionKey key = session.getSelectionKey();
        if (key != null) {
            key.cancel();
        }
        ch.close();
    }

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Examples of java.nio.channels.SelectionKey

            for (SelectionKey key : keys) {
                SelectableChannel ch = key.channel();
                
                // Don't forget to attache the session, and back !
                NioSession session = (NioSession)key.attachment();
                SelectionKey newKey = ch.register(newSelector, key.interestOps(), session);
                session.setSelectionKey( newKey );
            }


            // Now we can close the old selector and switch it
            selector.close();

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