Files
NetAlertX/front/js/network-tree.js

355 lines
12 KiB
JavaScript

// network-tree.js
// Tree hierarchy construction and rendering functions
// Global state variables
var leafNodesCount = 0;
var visibleNodesCount = 0;
var parentNodesCount = 0;
var hiddenMacs = []; // hidden children
var hiddenChildren = [];
var deviceListGlobal = null;
var myTree;
/**
* Recursively get children nodes and build a tree
* @param {Object} node - Current node
* @param {Array} list - Full device list
* @param {string} path - Path to current node
* @param {Array} visited - Visited nodes (for cycle detection)
* @returns {Object} Tree node with children
*/
function getChildren(node, list, path, visited = [])
{
var children = [];
// Check for infinite recursion by seeing if the node has been visited before
if (visited.includes(node.devMac.toLowerCase())) {
console.error("Infinite recursion detected at node:", node.devMac);
write_notification("[ERROR] ⚠ Infinite recursion detected. You probably have assigned the Internet node to another children node or to itself. Please open a new issue on GitHub and describe how you did it.", 'interrupt')
return { error: "Infinite recursion detected", node: node.devMac };
}
// Add current node to visited list
visited.push(node.devMac.toLowerCase());
// Loop through all items to find children of the current node
for (var i in list) {
const item = list[i];
const parentMac = item.devParentMAC?.toLowerCase() || ""; // null-safe
const nodeMac = node.devMac?.toLowerCase() || ""; // null-safe
if (parentMac != "" && parentMac == nodeMac && !hiddenMacs.includes(parentMac)) {
visibleNodesCount++;
// Process children recursively, passing a copy of the visited list
children.push(getChildren(list[i], list, path + ((path == "") ? "" : '|') + parentMac, visited));
}
}
// Track leaf and parent node counts
if (children.length == 0) {
leafNodesCount++;
} else {
parentNodesCount++;
}
// console.log(node);
return {
name: node.devName,
path: path,
mac: node.devMac,
port: node.devParentPort,
id: node.devMac,
parentMac: node.devParentMAC,
icon: node.devIcon,
type: node.devType,
devIsNetworkNodeDynamic: node.devIsNetworkNodeDynamic,
vendor: node.devVendor,
lastseen: node.devLastConnection,
firstseen: node.devFirstConnection,
ip: node.devLastIP,
status: node.devStatus,
presentLastScan: node.devPresentLastScan,
flapping: node.devFlapping,
alertDown: node.devAlertDown,
hasChildren: children.length > 0 || hiddenMacs.includes(node.devMac),
relType: node.devParentRelType,
devVlan: node.devVlan,
devSSID: node.devSSID,
hiddenChildren: hiddenMacs.includes(node.devMac),
qty: children.length,
children: children
};
}
/**
* Build complete hierarchy starting from the Internet node
* @returns {Object} Root hierarchy object
*/
function getHierarchy()
{
// reset counters before rebuilding the hierarchy
leafNodesCount = 0;
visibleNodesCount = 0;
parentNodesCount = 0;
let internetNode = null;
for(i in deviceListGlobal)
{
if(deviceListGlobal[i].devMac.toLowerCase() == 'internet')
{
internetNode = deviceListGlobal[i];
return (getChildren(internetNode, deviceListGlobal, ''))
break;
}
}
if (!internetNode) {
showModalOk(
getString('Network_Configuration_Error'),
getString('Network_Root_Not_Configured')
);
console.error("getHierarchy(): Internet node not found");
return null;
}
}
/**
* Toggle collapse/expand state of a subtree
* @param {string} parentMac - MAC address of parent node to toggle
* @param {string} treePath - Path in tree (colon-separated)
*/
function toggleSubTree(parentMac, treePath)
{
treePath = treePath.split('|')
parentMac = parentMac.toLowerCase()
if(!hiddenMacs.includes(parentMac))
{
hiddenMacs.push(parentMac)
}
else
{
removeItemFromArray(hiddenMacs, parentMac)
}
updatedTree = getHierarchy()
myTree.refresh(updatedTree);
// re-attach any onclick events
attachTreeEvents();
}
/**
* Attach click events to tree collapse/expand controls
*/
function attachTreeEvents()
{
// toggle subtree functionality
$("div[data-mytreemac]").each(function(){
$(this).attr('onclick', 'toggleSubTree("'+$(this).attr('data-mytreemac')+'","'+ $(this).attr('data-mytreepath')+'")')
});
}
/**
* Convert pixels to em units
* @param {number} px - Pixel value
* @param {HTMLElement} element - Reference element for font-size
* @returns {number} Value in em units
*/
function pxToEm(px, element) {
var baseFontSize = parseFloat($(element || "body").css("font-size"));
return px / baseFontSize;
}
/**
* Convert em units to pixels
* @param {number} em - Value in em units
* @param {HTMLElement} element - Reference element for font-size
* @returns {number} Value in pixels (rounded)
*/
function emToPx(em, element) {
var baseFontSize = parseFloat($(element || "body").css("font-size"));
return Math.round(em * baseFontSize);
}
/**
* Initialize tree visualization
* @param {Object} myHierarchy - Hierarchy object to render
*/
function initTree(myHierarchy)
{
if(myHierarchy && myHierarchy.type !== "")
{
// calculate the drawing area based on the tree width and available screen size
let baseFontSize = parseFloat($('html').css('font-size'));
let treeAreaHeight = ($(window).height() - 155); ;
let minNodeWidth = 60 // min safe node width not breaking the tree
// calculate the font size of the leaf nodes to fit everything into the tree area
leafNodesCount == 0 ? 1 : leafNodesCount;
emSize = pxToEm((treeAreaHeight/(leafNodesCount)).toFixed(2));
// let screenWidthEm = pxToEm($('.networkTable').width()-15);
let minTreeWidthPx = parentNodesCount * minNodeWidth;
let actualWidthPx = $('.networkTable').width() - 15;
let finalWidthPx = Math.max(actualWidthPx, minTreeWidthPx);
// override original value
let screenWidthEm = pxToEm(finalWidthPx);
// handle canvas and node size if only a few nodes
emSize > 1 ? emSize = 1 : emSize = emSize;
let nodeHeightPx = emToPx(emSize*1);
let nodeWidthPx = emToPx(screenWidthEm / (parentNodesCount));
// handle if only a few nodes
nodeWidthPx > 160 ? nodeWidthPx = 160 : nodeWidthPx = nodeWidthPx;
if (nodeWidthPx < minNodeWidth) nodeWidthPx = minNodeWidth; // minimum safe width
console.log("Calculated nodeWidthPx =", nodeWidthPx, "emSize =", emSize , " screenWidthEm:", screenWidthEm, " emToPx(screenWidthEm):" , emToPx(screenWidthEm));
// init the drawing area size
$("#networkTree").attr('style', `height:${treeAreaHeight}px; width:${emToPx(screenWidthEm)}px`)
console.log(Treeviz);
myTree = Treeviz.create({
htmlId: "networkTree",
renderNode: nodeData => {
(!emptyArr.includes(nodeData.data.port )) ? port = nodeData.data.port : port = "";
(port == "" || port == 0 || port == 'None' ) ? portBckgIcon = `<i class="fa fa-wifi"></i>` : portBckgIcon = `<i class="fa fa-ethernet"></i>`;
portHtml = (port == "" || port == 0 || port == 'None' ) ? " &nbsp " : port;
// Build HTML for individual nodes in the network diagram
deviceIcon = (!emptyArr.includes(nodeData.data.icon )) ?
`<div class="netIcon">
${atob(nodeData.data.icon)}
</div>` : "";
devicePort = `<div class="netPort"
style="width:${emSize}em;height:${emSize}em">
${portHtml}</div>
<div class="portBckgIcon"
style="margin-left:-${emSize*0.7}em;">
${portBckgIcon}
</div>`;
collapseExpandIcon = nodeData.data.hiddenChildren ?
"square-plus" : "square-minus";
// generate +/- icon if node has children nodes
collapseExpandHtml = nodeData.data.hasChildren ?
`<div class="netCollapse"
style="font-size:${nodeHeightPx/2}px;top:${Math.floor(nodeHeightPx / 4)}px"
data-mytreepath="${nodeData.data.path}"
data-mytreemac="${nodeData.data.mac}">
<i class="fa fa-${collapseExpandIcon} pointer"></i>
</div>` : "";
selectedNodeMac = $(".nav-tabs-custom .active a").attr('data-mytabmac')
highlightedCss = nodeData.data.mac == selectedNodeMac ?
" highlightedNode " : "";
cssNodeType = nodeData.data.devIsNetworkNodeDynamic ?
" node-network-device " : " node-standard-device ";
networkHardwareIcon = nodeData.data.devIsNetworkNodeDynamic ? `<span class="network-hw-icon">
<i class="fa-solid fa-hard-drive"></i>
</span>` : "";
const badgeConf = getStatusBadgeParts(
nodeData.data.presentLastScan,
nodeData.data.alertDown,
nodeData.data.flapping,
nodeData.data.mac,
statusText = ''
);
return result = `<div
class="node-inner hover-node-info box pointer ${highlightedCss} ${cssNodeType}"
style="height:${nodeHeightPx}px;font-size:${nodeHeightPx-5}px;"
onclick="handleNodeClick(this)"
data-mac="${nodeData.data.mac}"
data-parentMac="${nodeData.data.parentMac}"
data-name="${nodeData.data.name}"
data-ip="${nodeData.data.ip}"
data-mac="${nodeData.data.mac}"
data-vendor="${nodeData.data.vendor}"
data-type="${nodeData.data.type}"
data-devIsNetworkNodeDynamic="${nodeData.data.devIsNetworkNodeDynamic}"
data-lastseen="${nodeData.data.lastseen}"
data-firstseen="${nodeData.data.firstseen}"
data-relationship="${nodeData.data.relType}"
data-flapping="${nodeData.data.flapping}"
data-status="${nodeData.data.status}"
data-present="${nodeData.data.presentLastScan}"
data-alert="${nodeData.data.alertDown}"
data-icon="${nodeData.data.icon}"
>
<div class="netNodeText">
<strong><span>${devicePort} <span class="${badgeConf.cssText}">${deviceIcon}</span></span>
<span class="spanNetworkTree anonymizeDev" style="width:${nodeWidthPx-50}px">${nodeData.data.name}</span>
${networkHardwareIcon}
</strong>
</div>
</div>
${collapseExpandHtml}`;
},
mainAxisNodeSpacing: 'auto',
// secondaryAxisNodeSpacing: 0.3,
nodeHeight: nodeHeightPx,
nodeWidth: nodeWidthPx,
marginTop: '5',
isHorizontal : true,
hasZoom: true,
hasPan: true,
marginLeft: '10',
marginRight: '10',
idKey: "mac",
hasFlatData: false,
relationnalField: "children",
linkLabel: {
render: (parent, child) => {
// Return text or HTML to display on the connection line
connectionLabel = (child?.data.devVlan ?? "") + "/" + (child?.data.devSSID ?? "");
if(connectionLabel == "/")
{
connectionLabel = "";
}
return connectionLabel;
// or with HTML:
// return "<tspan><strong>reports to</strong></tspan>";
},
color: "#336c87ff", // Label text color (optional)
fontSize: nodeHeightPx - 5 // Label font size in px (optional)
},
linkWidth: (nodeData) => 2,
linkColor: (nodeData) => {
relConf = getRelationshipConf(nodeData.data.relType)
return relConf.color;
}
// onNodeClick: (nodeData) => handleNodeClick(nodeData),
});
console.log(deviceListGlobal);
myTree.refresh(myHierarchy);
// hide spinning icon
hideSpinner()
} else
{
console.error("getHierarchy() not returning expected result");
}
}