Examples with Node org.mobicents.tools.heartbeat.api.Node used on opensource projects

Example 61 with Node

use of org.mobicents.tools.heartbeat.api.Node in project load-balancer by RestComm.

the class PureConsistentHashBalancerAlgorithm method hashAffinityKeyword.

@Override
protected int hashAffinityKeyword(String keyword, Boolean isIpV6) {
    int hashCode = Math.abs(keyword.hashCode());
    // take a copy to avoid inconsistent reads
    Object[] nodes = nodesArray(isIpV6);
    int lastNodeWithLowerHash = 0;
    for (int q = 0; q < nodes.length; q++) {
        Node node = (Node) nodes[q];
        Integer nodeHash = nodeToHash.get(node);
        if (nodeHash == null)
            nodeHash = 0;
        if (hashCode > nodeHash) {
            lastNodeWithLowerHash = q;
        } else {
            return q;
        }
    }
    // the request hash exceeds all node hashes
    return lastNodeWithLowerHash;
}

Example 62 with Node

use of org.mobicents.tools.heartbeat.api.Node in project load-balancer by RestComm.

the class RouterImpl method getNextHop.

public Hop getNextHop(Request request) throws SipException {
    String callID = ((CallID) request.getHeader(CallID.NAME)).getCallId();
    Node node = null;
    Hop hop = null;
    String transport = ((ViaHeader) request.getHeader(ViaHeader.NAME)).getTransport().toLowerCase();
    String method = request.getMethod();
    if (method.equals(Request.INVITE) || method.equals(Request.SUBSCRIBE)) {
        node = register.stickSessionToNode(callID, null);
    } else if (method.equals(Request.BYE) || method.equals(Request.CANCEL)) {
        // We have to clean, other side wants to go BYE ;/
        node = register.getGluedNode(callID);
        if (node == null) {
            for (int i = 0; i < 5 && node == null; i++) {
                try {
                    node = register.getNextNode();
                } catch (IndexOutOfBoundsException ioobe) {
                }
            }
        }
    } else {
        node = register.getGluedNode(callID);
        if (node == null)
            for (int i = 0; i < 5 && node == null; i++) {
                try {
                    node = register.getNextNode();
                } catch (IndexOutOfBoundsException ioobe) {
                }
            }
    }
    Integer port = Integer.parseInt(node.getProperties().get(transport + "Port"));
    if (port == null) {
        throw new RuntimeException("No port available for transport " + transport + " for node " + node);
    }
    hop = new HopImpl(node.getIp(), port, transport);
    System.out.println(this.getClass().getName() + ".getNextHop() returning hop:" + hop);
    return hop;
}

Example 63 with Node

use of org.mobicents.tools.heartbeat.api.Node in project load-balancer by RestComm.

the class SIPBalancerForwarder method getSenderNode.

// private Node getTransactionSourceNode(Response response) {
// ViaHeader viaHeader = ((ViaHeader)response.getHeader(ViaHeader.NAME));
// String host = viaHeader.getHost();
// String transport = viaHeader.getTransport();
// if(transport == null) transport = ListeningPoint.UDP;
// transport = transport.toLowerCase();
// int port = viaHeader.getPort();
// if(extraServerAddresses != null) {
// for(int q=0; q<extraServerAddresses.length; q++) {
// if(extraServerAddresses[q].equals(host) && extraServerPorts[q] == port) {
// return ExtraServerNode.extraServerNode;
// }
// }
// }
// Node node = getNodeDeadOrAlive(host, port, transport);
// if(node != null) {
// return node;
// }
// return null;
// }
private Node getSenderNode(Response response) {
    SIPResponse resp = (SIPResponse) response;
    String host = resp.getRemoteAddress().getHostAddress();
    ViaHeader viaHeader = ((ViaHeader) response.getHeader(ViaHeader.NAME));
    String currentTransport = viaHeader.getTransport();
    String transport = null;
    if (balancerRunner.balancerContext.internalTransport != null) {
        if (logger.isDebugEnabled()) {
            logger.debug("Set internal transport for getting sender Node: " + balancerRunner.balancerContext.internalTransport);
        }
        transport = balancerRunner.balancerContext.internalTransport;
    } else if (balancerRunner.balancerContext.terminateTLSTraffic) {
        if (currentTransport.equalsIgnoreCase(ListeningPoint.TLS))
            transport = ListeningPoint.TCP;
        else if (currentTransport.equalsIgnoreCase(ListeningPointExt.WSS))
            transport = ListeningPointExt.WS;
        else
            transport = currentTransport;
    } else {
        transport = currentTransport;
    }
    if (transport == null)
        transport = ListeningPoint.UDP;
    int port = resp.getRemotePort();
    if (extraServerAddresses != null) {
        for (int q = 0; q < extraServerAddresses.length; q++) {
            if (extraServerAddresses[q].equals(host) && extraServerPorts[q] == port) {
                return ExtraServerNode.extraServerNode;
            }
        }
    }
    Node node = getNodeDeadOrAlive(host, port, transport);
    if (node != null) {
        return node;
    }
    return null;
}

Example 64 with Node

use of org.mobicents.tools.heartbeat.api.Node in project load-balancer by RestComm.

the class HeaderConsistentHashBalancerAlgorithm method processExternalResponse.

public void processExternalResponse(Response response, InvocationContext context, Boolean isIpV6) {
    Via via = (Via) response.getHeader(Via.NAME);
    String transport = via.getTransport().toLowerCase();
    Integer nodeIndex = hashHeader(response, isIpV6);
    String host = via.getHost();
    Integer port = via.getPort();
    Boolean found = false;
    // }
    if (context.sipNodeMap(isIpV6).containsKey(new KeySip(host, port, isIpV6)))
        found = true;
    if (logger.isDebugEnabled()) {
        logger.debug("external response node found ? " + found);
    }
    if (!found) {
        if (nodesAreDirty) {
            synchronized (this) {
                syncNodes(isIpV6);
            }
        }
        try {
            Node node = (Node) nodesArray(isIpV6)[nodeIndex];
            // if(node == null || !context.nodes.contains(node)) {
            if (node == null || !context.sipNodeMap(isIpV6).containsValue(node)) {
                if (logger.isDebugEnabled()) {
                    logger.debug("No node to handle " + via);
                }
            } else {
                String transportProperty = transport + "Port";
                port = Integer.parseInt(node.getProperties().get(transportProperty));
                if (via.getHost().equalsIgnoreCase(node.getIp()) || via.getPort() != port) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("changing retransmission via " + via + "setting new values " + node.getIp() + ":" + port);
                    }
                    try {
                        via.setHost(node.getIp());
                        via.setPort(port);
                    } catch (Exception e) {
                        throw new RuntimeException("Error setting new values " + node.getIp() + ":" + port + " on via " + via, e);
                    }
                    // need to reset the rport for reliable transports
                    if (!ListeningPoint.UDP.equalsIgnoreCase(transport)) {
                        via.setRPort();
                    }
                }
            }
        } catch (Exception e) {
        }
    }
}

Example 65 with Node

use of org.mobicents.tools.heartbeat.api.Node in project load-balancer by RestComm.

the class HeaderConsistentHashBalancerAlgorithm method hashAffinityKeyword.

protected int hashAffinityKeyword(String keyword, Boolean isIpV6) {
    int nodeIndex = Math.abs(keyword.hashCode()) % nodesArray(isIpV6).length;
    Node computedNode = (Node) nodesArray(isIpV6)[nodeIndex];
    if (!isAlive(computedNode)) {
        // If the computed node is dead, find a new one
        for (int q = 0; q < nodesArray(isIpV6).length; q++) {
            nodeIndex = (nodeIndex + 1) % nodesArray(isIpV6).length;
            if (isAlive(((Node) nodesArray(isIpV6)[nodeIndex]))) {
                break;
            }
        }
    }
    return nodeIndex;
}