Examples with ServiceCombServer org.apache.servicecomb.loadbalance.ServiceCombServer used on opensource projects

Example 6 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project java-chassis by ServiceComb.

the class DarklaunchServerListFilter method divideServerGroup.

private void divideServerGroup(List<ServiceCombServer> serverList, DarklaunchRule rule, List<ServiceCombServer> defaultGroup) {
    for (ServiceCombServer server : serverList) {
        boolean hasGroup = false;
        for (DarklaunchRuleItem item : rule.getRuleItems()) {
            Microservice microservice = MicroserviceCache.getInstance().getService(server.getInstance().getServiceId());
            item.getGroupCondition().setActual(DarklaunchRule.PROP_VERSION, microservice.getVersion());
            if (item.getGroupCondition().match()) {
                item.addServer(server);
                hasGroup = true;
            }
        }
        if (!hasGroup) {
            defaultGroup.add(server);
        }
    }
}

Example 7 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project java-chassis by ServiceComb.

the class TestServerDiscoveryFilter method createEndpoint_TransportNotExist.

@Test
public void createEndpoint_TransportNotExist() {
    new Expectations(transportManager) {

        {
            transportManager.findTransport(anyString);
            result = null;
        }
    };
    ServiceCombServer server = (ServiceCombServer) filter.createEndpoint(null, Const.RESTFUL, null, null);
    Assert.assertNull(server);
}

Example 8 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project java-chassis by ServiceComb.

the class TestClientTimeout method getServiceCombServerStats.

private static ServiceCombServerStats getServiceCombServerStats() {
    InstanceCache instanceCache = DiscoveryManager.INSTANCE.getInstanceCacheManager().getOrCreate(RegistrationManager.INSTANCE.getAppId(), "jaxrs", "0+");
    org.apache.servicecomb.registry.api.registry.MicroserviceInstance microserviceInstance = instanceCache.getInstanceMap().values().iterator().next();
    ServiceCombServer serviceCombServer = ServiceCombLoadBalancerStats.INSTANCE.getServiceCombServer(microserviceInstance);
    return ServiceCombLoadBalancerStats.INSTANCE.getServiceCombServerStats(serviceCombServer);
}

Example 9 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project java-chassis by ServiceComb.

the class IsolationDiscoveryFilter method allowVisit.

private boolean allowVisit(Invocation invocation, MicroserviceInstance instance) {
    ServiceCombServer server = ServiceCombLoadBalancerStats.INSTANCE.getServiceCombServer(instance);
    if (server == null) {
        // first time accessed.
        return true;
    }
    ServiceCombServerStats serverStats = ServiceCombLoadBalancerStats.INSTANCE.getServiceCombServerStats(server);
    Settings settings = createSettings(invocation);
    if (!checkThresholdAllowed(settings, serverStats)) {
        if (serverStats.isIsolated() && (System.currentTimeMillis() - serverStats.getLastVisitTime()) > settings.singleTestTime) {
            return ServiceCombServerStats.applyForTryingChance(invocation);
        }
        if (!serverStats.isIsolated()) {
            // checkThresholdAllowed is not concurrent control, may print several logs/events in current access.
            serverStats.markIsolated(true);
            eventBus.post(new IsolationServerEvent(invocation, instance, serverStats, settings, Type.OPEN, server.getEndpoint()));
            LOGGER.warn("Isolate service {}'s instance {}.", invocation.getMicroserviceName(), instance.getInstanceId());
        }
        return false;
    }
    if (serverStats.isIsolated()) {
        // high volume of concurrent requests with a percentage of error(e.g. 50%) scenario with no isolation
        if ((System.currentTimeMillis() - serverStats.getIsolatedTime()) <= settings.minIsolationTime) {
            return false;
        }
        serverStats.markIsolated(false);
        eventBus.post(new IsolationServerEvent(invocation, instance, serverStats, settings, Type.CLOSE, server.getEndpoint()));
        LOGGER.warn("Recover service {}'s instance {} from isolation.", invocation.getMicroserviceName(), instance.getInstanceId());
    }
    return true;
}

Example 10 with ServiceCombServer

use of org.apache.servicecomb.loadbalance.ServiceCombServer in project java-chassis by ServiceComb.

the class ServerDiscoveryFilter method createEndpoint.

@Override
protected Object createEndpoint(DiscoveryContext context, String transportName, String endpoint, MicroserviceInstance instance) {
    Transport transport = SCBEngine.getInstance().getTransportManager().findTransport(transportName);
    if (transport == null) {
        LOGGER.info("not deployed transport {}, ignore {}.", transportName, endpoint);
        return null;
    }
    Invocation invocation = context.getInputParameters();
    return new ServiceCombServer(invocation.getMicroserviceName(), transport, new CacheEndpoint(endpoint, instance));
}