Examples with OpcUaServerConfigLimits org.eclipse.milo.opcua.sdk.server.api.config.OpcUaServerConfigLimits used on opensource projects

Example 1 with OpcUaServerConfigLimits

use of org.eclipse.milo.opcua.sdk.server.api.config.OpcUaServerConfigLimits in project milo by eclipse.

the class Subscription method setLifetimeCount.

private void setLifetimeCount(long lifetimeCount) {
    OpcUaServerConfigLimits limits = subscriptionManager.getServer().getConfig().getLimits();
    double lifetimeInterval = lifetimeCount * publishingInterval;
    // lifetime cannot be longer than the max subscription lifetime.
    double maxSubscriptionLifetime = limits.getMaxSubscriptionLifetime();
    if (lifetimeInterval > maxSubscriptionLifetime) {
        lifetimeCount = (long) (maxSubscriptionLifetime / publishingInterval);
        if (lifetimeCount < UInteger.MAX_VALUE) {
            if (maxSubscriptionLifetime % publishingInterval != 0) {
                lifetimeCount++;
            }
        }
    }
    // the lifetime must be greater than the keepalive.
    if (maxKeepAliveCount < UInteger.MAX_VALUE / 3) {
        if (maxKeepAliveCount * 3 > lifetimeCount) {
            lifetimeCount = maxKeepAliveCount * 3;
        }
        lifetimeInterval = lifetimeCount * publishingInterval;
    } else {
        lifetimeCount = UInteger.MAX_VALUE;
        lifetimeInterval = Double.MAX_VALUE;
    }
    // apply the minimum.
    double minSubscriptionLifetime = limits.getMinSubscriptionLifetime();
    if (minSubscriptionLifetime > publishingInterval && minSubscriptionLifetime > lifetimeInterval) {
        lifetimeCount = (long) (minSubscriptionLifetime / publishingInterval);
        if (lifetimeCount < UInteger.MAX_VALUE) {
            if (minSubscriptionLifetime % publishingInterval != 0) {
                lifetimeCount++;
            }
        }
    }
    this.lifetimeCount = lifetimeCount;
}

Example 2 with OpcUaServerConfigLimits

use of org.eclipse.milo.opcua.sdk.server.api.config.OpcUaServerConfigLimits in project milo by eclipse.

the class OpcUaNamespace method configureServerObject.

private void configureServerObject() {
    ServerTypeNode serverTypeNode = (ServerTypeNode) getNodeManager().get(Identifiers.Server);
    assert serverTypeNode != null;
    // This Node is optional and we don't support it, so delete it entirely.
    serverTypeNode.getNamespacesNode().delete();
    serverTypeNode.getNamespaceArrayNode().getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(server.getNamespaceTable().toArray()))));
    serverTypeNode.getServerArrayNode().getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(server.getServerTable().toArray()))));
    serverTypeNode.setAuditing(false);
    serverTypeNode.getServerDiagnosticsNode().setEnabledFlag(false);
    serverTypeNode.setServiceLevel(ubyte(255));
    ServerStatusTypeNode serverStatus = serverTypeNode.getServerStatusNode();
    BuildInfo buildInfo = server.getConfig().getBuildInfo();
    serverStatus.setBuildInfo(buildInfo);
    serverStatus.getBuildInfoNode().setBuildDate(buildInfo.getBuildDate());
    serverStatus.getBuildInfoNode().setBuildNumber(buildInfo.getBuildNumber());
    serverStatus.getBuildInfoNode().setManufacturerName(buildInfo.getManufacturerName());
    serverStatus.getBuildInfoNode().setProductName(buildInfo.getProductName());
    serverStatus.getBuildInfoNode().setProductUri(buildInfo.getProductUri());
    serverStatus.getBuildInfoNode().setSoftwareVersion(buildInfo.getSoftwareVersion());
    serverStatus.setCurrentTime(DateTime.now());
    serverStatus.setSecondsTillShutdown(uint(0));
    serverStatus.setShutdownReason(LocalizedText.NULL_VALUE);
    serverStatus.setState(ServerState.Running);
    serverStatus.setStartTime(DateTime.now());
    serverStatus.getCurrentTimeNode().getFilterChain().addLast(AttributeFilters.getValue(ctx -> new DataValue(new Variant(DateTime.now()))));
    serverStatus.getFilterChain().addLast(AttributeFilters.getValue(ctx -> {
        ServerStatusTypeNode serverStatusNode = (ServerStatusTypeNode) ctx.getNode();
        ExtensionObject xo = ExtensionObject.encode(server.getSerializationContext(), new ServerStatusDataType(serverStatusNode.getStartTime(), DateTime.now(), serverStatusNode.getState(), serverStatusNode.getBuildInfo(), serverStatusNode.getSecondsTillShutdown(), serverStatusNode.getShutdownReason()));
        return new DataValue(new Variant(xo));
    }));
    final OpcUaServerConfigLimits limits = server.getConfig().getLimits();
    ServerCapabilitiesTypeNode serverCapabilities = serverTypeNode.getServerCapabilitiesNode();
    serverCapabilities.setServerProfileArray(new String[] { "http://opcfoundation.org/UA-Profile/Server/StandardUA" });
    serverCapabilities.setLocaleIdArray(new String[] { Locale.ENGLISH.getLanguage() });
    serverCapabilities.setMaxArrayLength(limits.getMaxArrayLength());
    serverCapabilities.setMaxStringLength(limits.getMaxStringLength());
    serverCapabilities.setMaxByteStringLength(limits.getMaxByteStringLength());
    serverCapabilities.setMaxBrowseContinuationPoints(limits.getMaxBrowseContinuationPoints());
    serverCapabilities.setMaxHistoryContinuationPoints(limits.getMaxHistoryContinuationPoints());
    serverCapabilities.setMaxQueryContinuationPoints(limits.getMaxQueryContinuationPoints());
    serverCapabilities.setMinSupportedSampleRate(limits.getMinSupportedSampleRate());
    OperationLimitsTypeNode limitsNode = serverCapabilities.getOperationLimitsNode();
    limitsNode.setMaxMonitoredItemsPerCall(limits.getMaxMonitoredItemsPerCall());
    limitsNode.setMaxNodesPerBrowse(limits.getMaxNodesPerBrowse());
    limitsNode.setMaxNodesPerHistoryReadData(limits.getMaxNodesPerHistoryReadData());
    limitsNode.setMaxNodesPerHistoryReadEvents(limits.getMaxNodesPerHistoryReadEvents());
    limitsNode.setMaxNodesPerHistoryUpdateData(limits.getMaxNodesPerHistoryUpdateData());
    limitsNode.setMaxNodesPerHistoryUpdateEvents(limits.getMaxNodesPerHistoryUpdateEvents());
    limitsNode.setMaxNodesPerMethodCall(limits.getMaxNodesPerMethodCall());
    limitsNode.setMaxNodesPerNodeManagement(limits.getMaxNodesPerNodeManagement());
    limitsNode.setMaxNodesPerRead(limits.getMaxNodesPerRead());
    limitsNode.setMaxNodesPerRegisterNodes(limits.getMaxNodesPerRegisterNodes());
    limitsNode.setMaxNodesPerTranslateBrowsePathsToNodeIds(limits.getMaxNodesPerTranslateBrowsePathsToNodeIds());
    limitsNode.setMaxNodesPerWrite(limits.getMaxNodesPerWrite());
    serverTypeNode.getServerRedundancyNode().setRedundancySupport(RedundancySupport.None);
    configureGetMonitoredItems();
    configureResendData();
}

Example 3 with OpcUaServerConfigLimits

use of org.eclipse.milo.opcua.sdk.server.api.config.OpcUaServerConfigLimits in project milo by eclipse.

the class Subscription method setMaxKeepAliveCount.

private void setMaxKeepAliveCount(long maxKeepAliveCount) {
    OpcUaServerConfigLimits limits = subscriptionManager.getServer().getConfig().getLimits();
    if (maxKeepAliveCount == 0)
        maxKeepAliveCount = 3;
    double keepAliveInterval = maxKeepAliveCount * publishingInterval;
    // keep alive interval cannot be longer than the max subscription lifetime.
    double maxSubscriptionLifetime = limits.getMaxSubscriptionLifetime();
    if (keepAliveInterval > maxSubscriptionLifetime) {
        maxKeepAliveCount = (long) (maxSubscriptionLifetime / publishingInterval);
        if (maxKeepAliveCount < UInteger.MAX_VALUE) {
            if (maxSubscriptionLifetime % publishingInterval != 0) {
                maxKeepAliveCount++;
            }
        }
        keepAliveInterval = maxKeepAliveCount * publishingInterval;
    }
    // the time between publishes cannot exceed the max publishing interval.
    double maxPublishingInterval = limits.getMaxPublishingInterval();
    if (keepAliveInterval > maxPublishingInterval) {
        maxKeepAliveCount = (long) (maxPublishingInterval / publishingInterval);
        if (maxKeepAliveCount < UInteger.MAX_VALUE) {
            if (maxPublishingInterval % publishingInterval != 0) {
                maxKeepAliveCount++;
            }
        }
    }
    this.maxKeepAliveCount = maxKeepAliveCount;
}

Example 4 with OpcUaServerConfigLimits

use of org.eclipse.milo.opcua.sdk.server.api.config.OpcUaServerConfigLimits in project milo by eclipse.

the class Subscription method setPublishingInterval.

/**
 * Given the requested publishing interval, set it to something reasonable.
 *
 * @param requestedPublishingInterval the requested publishing interval.
 */
private void setPublishingInterval(double requestedPublishingInterval) {
    OpcUaServerConfigLimits limits = subscriptionManager.getServer().getConfig().getLimits();
    double minPublishingInterval = limits.getMinPublishingInterval();
    double maxPublishingInterval = limits.getMaxPublishingInterval();
    if (requestedPublishingInterval < minPublishingInterval || Double.isNaN(requestedPublishingInterval) || Double.isInfinite(requestedPublishingInterval)) {
        requestedPublishingInterval = limits.getDefaultPublishingInterval();
    }
    if (requestedPublishingInterval > maxPublishingInterval) {
        requestedPublishingInterval = maxPublishingInterval;
    }
    this.publishingInterval = requestedPublishingInterval;
}