@webwriter/network/src/components/dataDecorators/SimpleDecorator.ts

Visualization of network topologies. Can represent different kinds of networks.

import { ComputerNetwork } from '../../..';
import { PacketSimulator } from '../../event-handlers/packet-simulator';
import { GraphEdge } from '../GraphEdge';
import { Packet, Frame } from '../logicalNodes/DataNode';
import { PhysicalNode } from '../physicalNodes/PhysicalNode';
import { DataHandlingDecorator } from './DataHandlingDecorator';

export class SimpleDecorator extends DataHandlingDecorator {
    constructor(component?: PhysicalNode) {
        super(component);
        this.cssClass.push('simple-decorated');
    }

    handleDataIn(dataNode: any, previousNode: any, network: ComputerNetwork) {
        dataNode = dataNode.remove();
        let previousId = previousNode.id();

        this.portLinkMapping.forEach((linkId) => {
            if (linkId != '' && linkId != null && linkId != undefined) {
                let edge: GraphEdge = network._graph.$('#' + linkId).data();
                if (edge.target == previousId) {
                    //do not flood the incoming port
                } else if (edge.source == previousId) {
                    //do not flood the incoming port
                } else {
                    let directTargetId = edge.target == this.id ? edge.source : edge.target;
                    let newData =
                        dataNode.data() instanceof Packet
                            ? Packet.cloneData(dataNode.data())
                            : Frame.cloneData(dataNode.data());
                    let nextHop = network._graph.$('#' + directTargetId);
                    network.packetSimulator.initThenDirectSend(
                        network._graph.$('#' + this.id),
                        nextHop,
                        newData,
                        network
                    );
                }
            }
        });
    }
}