NED File src/inet/visualizer/base/PathVisualizerBase.ned

Name	Type	Description
PathVisualizerBase	simple module	This is a base module for path visualizer simple modules. It keeps track of active routes in a network. A route between two node is considered active if a packet is sent recently between their corresponding layers. Active routes are not displayed by default, see the module parameters for how to enable the visualization. The actual visualization of active routes is done in derived modules.

Source code

//
// Copyright (C) 2020 OpenSim Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//


package inet.visualizer.base;

//
// This is a base module for path visualizer simple modules. It keeps track of
// active routes in a network. A route between two node is considered active
// if a packet is sent recently between their corresponding layers. Active
// routes are not displayed by default, see the module parameters for how to
// enable the visualization. The actual visualization of active routes is done
// in derived modules.
//
// This module subscribes for packetReceivedFromUpper, packetSentToUpper, and
// packetReceivedFromLower on the module determined by the visualizationSubjectModule
// parameter. If the visualizer receives a packetReceivedFromUpper from a
// protocol module, then it stores the corresponding packet id. If later on the
// visualizer receives a packetSentToUpper from another corresponding protocol
// module with the same packet id, then it adds an active route between the
// source and the destination nodes. During the route discovery if the
// visualizer receives a packetReceivedFromLower from a corresponding protocol
// module, then it adds the node to the intermediate nodes of the route. After
// a certain amount of time the route becomes inactive unless it is reinforced
// by another packet.
//
// The format string can contain the following directives:
//  - %n packet name
//  - %c packet class
//
// @see ~NetworkRouteCanvasVisualizer, ~NetworkRouteOsgVisualizer, ~INetworkRouteVisualizer,
// ~TransportRouteCanvasVisualizer, ~TransportRouteOsgVisualizer, ~ITransportRouteVisualizer
//
simple PathVisualizerBase extends VisualizerBase
{
    parameters:
        bool displayRoutes = default(false); // display polyline arrow for active routes, disabled by default

        string startPathSignal = default("packetReceivedFromUpper");
        string extendPathSignal = default("packetReceivedFromLower");
        string endPathSignal = default("packetSentToUpper");

        string nodeFilter @mutable = default("*"); // which nodes are considered, matches all nodes by default
        object packetFilter @mutable = default("*"); // which packets are considered, matches all packets by default

        string lineColor @enum("light", "dark") = default("dark"); // route color is a list of colors, a set of dark colors by default
        string lineStyle = default("solid"); // route line style (solid, dashed, dotted)
        double lineWidth = default(3); // route line width
        bool lineSmooth = default(false); // when true polylines are displayed as curves

        double lineShift = default(16); // route line shift to avoid overlapping routes
        string lineShiftMode = default("normal"); // determines how overlapping lines are shifted, possible values are: normal, x, y, z; optional prefix + or -

        double lineContactSpacing = default(3); // spacing between arrow end and submodule icon
        string lineContactMode @enum("circular", "rectangular") = default("rectangular"); // determines how arrows are clipped at the submodules

        string labelFormat = default("%n"); // determines what path data is displayed
        string labelFont = default("<default>, 8px"); // label font, automatic by default
        string labelColor = default(""); // label color, same as line by default

        string fadeOutMode @enum("realTime", "animationTime", "simulationTime") = default("realTime"); // specifies how inactive routes fade out
        double fadeOutTime @unit(s) = default(1s); // how quickly inactive routes fade away, 1 second by default
        double fadeOutAnimationSpeed = default(0); // animation speed while there are active routes, value must be in the range (0, +inf)

        @class(PathVisualizerBase);
}