Package io.netty.channel

Examples of io.netty.channel.ChannelStateEvent

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        final ChannelFuture future = e.getFuture();

        if (e instanceof ChannelStateEvent) {

            final ChannelStateEvent stateEvent = (ChannelStateEvent) e;
            final ChannelState state = stateEvent.getState();
            final Object value = stateEvent.getValue();

            switch (state) {

            case OPEN:
                if (Boolean.FALSE.equals(value)) {
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    private void handleServerSocket(ChannelEvent e) {
        if (!(e instanceof ChannelStateEvent)) {
            return;
        }

        ChannelStateEvent event = (ChannelStateEvent) e;
        SctpServerChannelImpl channel =
            (SctpServerChannelImpl) event.getChannel();
        ChannelFuture future = event.getFuture();
        ChannelState state = event.getState();
        Object value = event.getValue();

        switch (state) {
        case OPEN:
            if (Boolean.FALSE.equals(value)) {
                close(channel, future);
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        }
    }

    private void handleAcceptedSocket(ChannelEvent e) {
        if (e instanceof ChannelStateEvent) {
            ChannelStateEvent event = (ChannelStateEvent) e;
            SctpChannelImpl channel = (SctpChannelImpl) event.getChannel();
            ChannelFuture future = event.getFuture();
            ChannelState state = event.getState();
            Object value = event.getValue();

            switch (state) {
            case OPEN:
                if (Boolean.FALSE.equals(value)) {
                    channel.worker.close(channel, future);
                }
                break;
            case BOUND:
            case CONNECTED:
                if (value == null) {
                    channel.worker.close(channel, future);
                }
                break;
            case INTEREST_OPS:
                channel.worker.setInterestOps(channel, future, (Integer) value);
                break;
            }
        } else if (e instanceof MessageEvent) {
            MessageEvent event = (MessageEvent) e;
            SctpChannelImpl channel = (SctpChannelImpl) event.getChannel();
            boolean offered = channel.writeBuffer.offer(event);
            assert offered;
            channel.worker.writeFromUserCode(channel);
        }
    }
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    @Override
    public void eventSunk(
            ChannelPipeline pipeline, ChannelEvent e) throws Exception {
        if (e instanceof ChannelStateEvent) {
            ChannelStateEvent event = (ChannelStateEvent) e;
            SctpClientChannel channel =
                (SctpClientChannel) event.getChannel();
            ChannelFuture future = event.getFuture();
            ChannelState state = event.getState();
            Object value = event.getValue();

            switch (state) {
            case OPEN:
                if (Boolean.FALSE.equals(value)) {
                    channel.worker.close(channel, future);
                }
                break;
            case BOUND:
                if (value != null) {
                    bind(channel, future, (SocketAddress) value);
                } else {
                    channel.worker.close(channel, future);
                }
                break;
            case CONNECTED:
                if (value != null) {
                    connect(channel, future, (SocketAddress) value);
                } else {
                    channel.worker.close(channel, future);
                }
                break;
            case INTEREST_OPS:
                if (event instanceof SctpBindAddressEvent) {
                   SctpBindAddressEvent bindAddressEvent = (SctpBindAddressEvent) event;
                   bindAddress(channel, bindAddressEvent.getFuture(), bindAddressEvent.getValue());
                } else if (event instanceof SctpUnbindAddressEvent) {
                    SctpUnbindAddressEvent unbindAddressEvent = (SctpUnbindAddressEvent) event;
                    unbindAddress(channel, unbindAddressEvent.getFuture(), unbindAddressEvent.getValue());
                } else {
                    channel.worker.setInterestOps(channel, future, ((Integer) value).intValue());
                }
                break;
            }
        } else if (e instanceof MessageEvent) {
            MessageEvent event = (MessageEvent) e;
            SctpChannelImpl channel = (SctpChannelImpl) event.getChannel();
            boolean offered = channel.writeBuffer.offer(event);
            assert offered;
            channel.worker.writeFromUserCode(channel);
        }
    }
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    }

    public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent evt)
            throws Exception {
        if (evt instanceof ChannelStateEvent) {
            ChannelStateEvent e = (ChannelStateEvent) evt;
            switch (e.getState()) {
            case OPEN:
            case CONNECTED:
            case BOUND:
                if (Boolean.FALSE.equals(e.getValue()) || e.getValue() == null) {
                    sendGoAwayFrame(ctx, e);
                    return;
                }
            }
        }
        if (!(evt instanceof MessageEvent)) {
            ctx.sendDownstream(evt);
            return;
        }

        MessageEvent e = (MessageEvent) evt;
        Object msg = e.getMessage();

        if (msg instanceof SpdyDataFrame) {

            SpdyDataFrame spdyDataFrame = (SpdyDataFrame) msg;
            int streamID = spdyDataFrame.getStreamID();

            if (spdySession.isLocalSideClosed(streamID)) {
                e.getFuture().setFailure(PROTOCOL_EXCEPTION);
                return;
            }

            if (spdyDataFrame.isLast()) {
                halfCloseStream(streamID, false);
            }

        } else if (msg instanceof SpdySynStreamFrame) {

            SpdySynStreamFrame spdySynStreamFrame = (SpdySynStreamFrame) msg;
            boolean remoteSideClosed = spdySynStreamFrame.isUnidirectional();
            boolean localSideClosed = spdySynStreamFrame.isLast();
            if (!acceptStream(spdySynStreamFrame.getStreamID(), remoteSideClosed, localSideClosed)) {
                e.getFuture().setFailure(PROTOCOL_EXCEPTION);
                return;
            }

        } else if (msg instanceof SpdySynReplyFrame) {

            SpdySynReplyFrame spdySynReplyFrame = (SpdySynReplyFrame) msg;
            int streamID = spdySynReplyFrame.getStreamID();

            if (!isRemoteInitiatedID(streamID) || spdySession.isLocalSideClosed(streamID)) {
                e.getFuture().setFailure(PROTOCOL_EXCEPTION);
                return;
            }

            if (spdySynReplyFrame.isLast()) {
                halfCloseStream(streamID, false);
            }

        } else if (msg instanceof SpdyRstStreamFrame) {

            SpdyRstStreamFrame spdyRstStreamFrame = (SpdyRstStreamFrame) msg;
            removeStream(spdyRstStreamFrame.getStreamID());

        } else if (msg instanceof SpdySettingsFrame) {

            SpdySettingsFrame spdySettingsFrame = (SpdySettingsFrame) msg;
            updateConcurrentStreams(spdySettingsFrame, false);

        } else if (msg instanceof SpdyPingFrame) {

            SpdyPingFrame spdyPingFrame = (SpdyPingFrame) msg;
            if (isRemoteInitiatedID(spdyPingFrame.getID())) {
                e.getFuture().setFailure(new IllegalArgumentException(
                            "invalid PING ID: " + spdyPingFrame.getID()));
                return;
            }
            pings.getAndIncrement();

        } else if (msg instanceof SpdyGoAwayFrame) {

            // Should send a CLOSE ChannelStateEvent
            e.getFuture().setFailure(PROTOCOL_EXCEPTION);
            return;

        } else if (msg instanceof SpdyHeadersFrame) {

            SpdyHeadersFrame spdyHeadersFrame = (SpdyHeadersFrame) msg;
            int streamID = spdyHeadersFrame.getStreamID();

            if (spdySession.isLocalSideClosed(streamID)) {
                e.getFuture().setFailure(PROTOCOL_EXCEPTION);
                return;
            }
        }

        ctx.sendDownstream(evt);
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Related Classes of io.netty.channel.ChannelStateEvent

  • io.netty.channel.iostream.IoStreamChannelSink
  • io.netty.channel.local.LocalClientChannelSink
  • io.netty.channel.local.LocalServerChannelSink
  • io.netty.channel.rxtx.RxtxChannelSink
  • io.netty.channel.sctp.SctpClientPipelineSink
  • io.netty.channel.sctp.SctpServerPipelineSink
  • io.netty.channel.socket.nio.NioClientSocketPipelineSink
  • io.netty.channel.socket.nio.NioDatagramPipelineSink
  • io.netty.channel.socket.nio.NioServerSocketPipelineSink
  • io.netty.channel.socket.oio.OioClientSocketPipelineSink
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