Examples with Frame com.swiftmq.amqp.v091.types.Frame used on opensource projects

Example 1 with Frame

use of com.swiftmq.amqp.v091.types.Frame in project swiftmq-ce by iitsoftware.

the class ChannelHandler method handleHeaderFrame.

private void handleHeaderFrame(Frame frame) {
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + ", handleHeaderFrame");
    if (currentMessage != null && currentMessage.getContentHeaderProperties() == null) {
        try {
            ContentHeaderProperties contentHeaderProperties = (ContentHeaderProperties) frame.getPayloadObject();
            currentMessage.setContentHeaderProperties(contentHeaderProperties);
            if (contentHeaderProperties.getBodySize() == 0)
                publishCurrentMessage();
        } catch (Exception e) {
            amqpHandler.dispatch(new POSendChannelClose(channelNo, Constants.CHANNEL_ERROR, e.getMessage() == null ? e.toString() : e.getMessage(), currentMessage.getPublish()));
        }
    } else
        amqpHandler.dispatch(new POSendClose(Constants.UNEXPECTED_FRAME, "Unexpected: " + frame));
}

Example 2 with Frame

use of com.swiftmq.amqp.v091.types.Frame in project swiftmq-ce by iitsoftware.

the class ChannelHandler method visit.

public void visit(POSendMessages po) {
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + ", visit, po=" + po + " ...");
    try {
        SourceMessageProcessor mp = po.getSourceMessageProcessor();
        Consumer consumer = mp.getConsumer();
        if (mp.getException() != null)
            amqpHandler.dispatch(new POSendChannelClose(channelNo, Constants.CHANNEL_ERROR, mp.getException().toString(), null));
        else {
            if (!consumer.isNoAck() && waitingSends.size() > 0) {
                if (ctx.traceSpace.enabled)
                    ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + ", visit, po=" + po + " sends waiting, adding to list");
                waitingSends.add(po);
                return;
            }
            Delivery[] deliveries = po.getDeliveries() != null ? po.getDeliveries() : mp.getTransformedMessages();
            for (int i = po.getDeliveryStart(); i < deliveries.length; i++) {
                Delivery delivery = deliveries[i];
                if (!consumer.isNoAck() && !isWithinPrefetchLimits(delivery.getBody().length)) {
                    if (ctx.traceSpace.enabled)
                        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + ", visit, po=" + po + " not within prefetch limit, adding to list");
                    po.setDeliveryStart(i);
                    po.setDeliveries(deliveries);
                    waitingSends.add(po);
                    return;
                }
                long deliveryTag = getNextDeliveryTag();
                if (!consumer.isNoAck())
                    addUnacked(deliveryTag, consumer, delivery.getMessageIndex(), delivery.getBody().length);
                else
                    consumer.ack(delivery.getMessageIndex());
                Deliver deliver = new Deliver();
                deliver.setConsumerTag(mp.getConsumer().getConsumerTag());
                deliver.setDeliveryTag(deliveryTag);
                deliver.setExchange("");
                deliver.setRedelivered(delivery.isRedelivered());
                deliver.setRoutingKey(mp.getConsumer().getOriginalQueueName());
                Frame frame = new Frame(Frame.TYPE_METHOD, channelNo, 0, null);
                amqpHandler.toPayload(frame, deliver);
                versionedConnection.send(frame);
                frame = new Frame(Frame.TYPE_HEADER, channelNo, 0, null);
                ContentHeaderProperties contentHeaderProperties = delivery.getContentHeaderProperties();
                contentHeaderProperties.setClassId(deliver._getClassId());
                amqpHandler.toPayload(frame, contentHeaderProperties);
                versionedConnection.send(frame);
                byte[] body = delivery.getBody();
                int maxFrameSize = amqpHandler.getMaxFrameSize();
                int pos = 0;
                while (pos < body.length) {
                    byte[] part = new byte[Math.min(body.length - pos, maxFrameSize)];
                    System.arraycopy(body, pos, part, 0, part.length);
                    pos += part.length;
                    frame = new Frame(Frame.TYPE_BODY, channelNo, 0, null);
                    frame.setPayload(part);
                    frame.setSize(part.length);
                    versionedConnection.send(frame);
                }
            }
            mp.getConsumer().startMessageProcessor(mp);
        }
    } catch (Exception e) {
        amqpHandler.dispatch(new POSendChannelClose(channelNo, Constants.CHANNEL_ERROR, e.toString(), null));
    }
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + ", visit, po=" + po + " done");
}

Example 3 with Frame

use of com.swiftmq.amqp.v091.types.Frame in project swiftmq-ce by iitsoftware.

the class ChannelHandler method sendFlow.

private void sendFlow(boolean activate) {
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + ", sendFlow (" + activate + ")");
    remoteFlowActive = activate;
    Flow flow = new Flow();
    flow.setActive(activate);
    Frame frame = new Frame(Frame.TYPE_METHOD, channelNo, 0, null);
    amqpHandler.toPayload(frame, flow);
    versionedConnection.send(frame);
}