Example usage for io.netty.channel ChannelHandlerContext attr

Introduction

In this page you can find the example usage for io.netty.channel ChannelHandlerContext attr.

Prototype

@Deprecated
@Override
<T> Attribute<T> attr(AttributeKey<T> key);

Source Link

Usage

From source file:com.ebay.jetstream.http.netty.server.KeepAliveHandler.java

License:MIT License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    Attribute<AtomicInteger> attr = ctx.attr(REQUEST_COUNT);
    if (attr.get() == null) {
        attr.setIfAbsent(new AtomicInteger());
    }//from   www . j  a v  a 2  s. c  o m
    attr.get().incrementAndGet();
    ctx.fireChannelRead(msg);
}

From source file:com.ebay.jetstream.http.netty.server.KeepAliveHandler.java

License:MIT License

@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
    if (maxKeepAliveTimeoutInNanoTime > 0
            && ((System.nanoTime() - ctx.attr(CREATION_TIME).get()) > maxKeepAliveTimeoutInNanoTime)) {
        closeConnection(msg, promise);//  w w w  .j a v a  2s . c om
    } else if (maxKeepAliveRequests > 0 && (ctx.attr(REQUEST_COUNT).get() != null
            && ctx.attr(REQUEST_COUNT).get().get() >= maxKeepAliveRequests)) {
        closeConnection(msg, promise);
    }
    ctx.write(msg, promise);
}

From source file:com.ebay.jetstream.messaging.transport.netty.eventconsumer.EventProducerSessionHandler.java

License:MIT License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (EventProducerSessionHandler.BATCH_START_EVENT == msg) {
        ctx.attr(BATCH_FLAG).set(Boolean.TRUE);
        return;/*from  w ww  .ja v a  2s.  com*/
    }

    if (EventProducerSessionHandler.BATCH_END_EVENT == msg) {
        ctx.attr(BATCH_FLAG).remove();
        List<JetstreamMessage> msgs = ctx.attr(BATCH_CONTAINER).get();
        if (msgs != null && !msgs.isEmpty()) {
            try {
                m_eventConsumer.receive(msgs);
            } finally {
                msgs.clear();
            }
        }
        return;
    }

    Boolean flag = ctx.attr(BATCH_FLAG).get();
    if (flag != null) {
        List<JetstreamMessage> msgs = ctx.attr(BATCH_CONTAINER).get();
        if (msgs == null) {
            ctx.attr(BATCH_CONTAINER).setIfAbsent(new ArrayList<JetstreamMessage>(MAX_INBOUND_BATCH_SIZE));
            msgs = ctx.attr(BATCH_CONTAINER).get();
        }
        msgs.add((JetstreamMessage) msg);
        if (msgs.size() == MAX_INBOUND_BATCH_SIZE) {
            try {
                m_eventConsumer.receive(msgs);
            } finally {
                msgs.clear();
            }
        }
    } else {
        JetstreamMessage tm = (JetstreamMessage) msg;
        m_eventConsumer.receive(tm); // now dispatch upstream
    }
}

From source file:com.eightkdata.mongowp.mongoserver.api.callback.MessageReplier.java

License:Open Source License

public MessageReplier(@Nonnull ChannelHandlerContext channelHandlerContext) {
    Preconditions.checkNotNull(channelHandlerContext);

    this.channelHandlerContext = channelHandlerContext;
    this.requestId = channelHandlerContext.attr(REQUEST_ID).get();
}

From source file:com.eightkdata.mongowp.mongoserver.RequestMessageObjectHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    RequestMessage requestMessage = (RequestMessage) msg;
    ctx.attr(MessageReplier.REQUEST_ID).set(requestMessage.getBaseMessage().getRequestId());
    LOGGER.debug("Received message type: {}, data: {}", requestMessage.getOpCode(), requestMessage);

    MessageReplier messageReplier = new MessageReplier(ctx);
    ctx.attr(REQUEST_OP_CODE).set(requestMessage.getOpCode());
    switch (requestMessage.getOpCode()) {
    case OP_QUERY:
        assert requestMessage instanceof QueryMessage;
        requestProcessor.queryMessage((QueryMessage) requestMessage, messageReplier);
        break;//from  w  w  w  .  j  a  v a  2  s. co m
    case OP_GET_MORE:
        assert requestMessage instanceof GetMoreMessage;
        requestProcessor.getMore((GetMoreMessage) requestMessage, messageReplier);
        break;
    case OP_KILL_CURSORS:
        assert requestMessage instanceof KillCursorsMessage;
        requestProcessor.killCursors((KillCursorsMessage) requestMessage, messageReplier);
        break;
    case OP_INSERT:
        assert requestMessage instanceof InsertMessage;
        requestProcessor.insert((InsertMessage) requestMessage, messageReplier);
        break;
    case OP_UPDATE:
        assert requestMessage instanceof UpdateMessage;
        requestProcessor.update((UpdateMessage) requestMessage, messageReplier);
        break;
    case OP_DELETE:
        assert requestMessage instanceof DeleteMessage;
        requestProcessor.delete((DeleteMessage) requestMessage, messageReplier);
        break;
    // TODO: implement missing cases
    default:
        throw new UnsupportedOperationException(
                "Message replier not implemented for " + requestMessage.getOpCode() + " opCode");
    }
}

From source file:com.eightkdata.mongowp.mongoserver.RequestMessageObjectHandler.java

License:Open Source License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    LOGGER.error("Error while processing request", cause);

    MessageReplier messageReplier = new MessageReplier(ctx);
    requestProcessor.handleError(ctx.attr(REQUEST_OP_CODE).get(), messageReplier, cause);
}

From source file:com.eightkdata.mongowp.server.wp.RequestMessageObjectHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    try (RequestMessage requestMessage = (RequestMessage) msg) {
        ctx.attr(NettyMessageReplier.REQUEST_ID).set(requestMessage.getBaseMessage().getRequestId());
        LOGGER.debug("Received message type: {}, data: {}", requestMessage.getOpCode(), requestMessage);

        MessageReplier messageReplier = new NettyMessageReplier(ctx);
        ctx.attr(REQUEST_OP_CODE).set(requestMessage.getOpCode());
        switch (requestMessage.getOpCode()) {
        case OP_QUERY:
            assert requestMessage instanceof QueryMessage;
            requestProcessor.queryMessage((QueryMessage) requestMessage, messageReplier);
            break;
        case OP_GET_MORE:
            assert requestMessage instanceof GetMoreMessage;
            requestProcessor.getMore((GetMoreMessage) requestMessage, messageReplier);
            break;
        case OP_KILL_CURSORS:
            assert requestMessage instanceof KillCursorsMessage;
            requestProcessor.killCursors((KillCursorsMessage) requestMessage, messageReplier);
            break;
        case OP_INSERT:
            assert requestMessage instanceof InsertMessage;
            requestProcessor.insert((InsertMessage) requestMessage, messageReplier);
            break;
        case OP_UPDATE:
            assert requestMessage instanceof UpdateMessage;
            requestProcessor.update((UpdateMessage) requestMessage, messageReplier);
            break;
        case OP_DELETE:
            assert requestMessage instanceof DeleteMessage;
            requestProcessor.delete((DeleteMessage) requestMessage, messageReplier);
            break;
        default://from w w w .jav  a 2s.c  o  m
            throw new UnsupportedOperationException(
                    "Message replier not implemented for " + requestMessage.getOpCode() + " opCode");
        }
    }
}

From source file:com.eightkdata.mongowp.server.wp.RequestMessageObjectHandler.java

License:Open Source License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
    logCaughtException(cause);/*w ww .j  a  v  a2 s.  c o m*/

    MessageReplier messageReplier = new NettyMessageReplier(ctx);
    requestProcessor.handleError(ctx.attr(REQUEST_OP_CODE).get(), messageReplier, cause);
}

From source file:com.facebook.nifty.core.NiftyDispatcher.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    ctx.attr(READ_BLOCKED_STATE_KEY).set(ReadBlockedState.NOT_BLOCKED);
    super.channelActive(ctx);
}

From source file:com.facebook.nifty.core.NiftyDispatcher.java

License:Apache License

private boolean isChannelReadBlocked(ChannelHandlerContext ctx) {
    return ctx.attr(READ_BLOCKED_STATE_KEY).get() == ReadBlockedState.BLOCKED;
}