/* =====================================================================
L2 Physical Topology — display-only interactive map.
Groups switches into frames (COBCO outer → workshop/DataCenter/Core),
colours links by speed, nodes by latency & alarm, supports dark mode,
terminal show / only-offline, live + historical snapshots, MAC/IP search.
===================================================================== */
(function () {
'use strict';
var CFG = window.L2_CFG || {};
var T = window.L2_I18N || {};
var META = window.L2_META || {};
var SNAP = window.L2SNAP || null;
var colors = CFG.colors || {100:'#F39C12',1000:'#2ECC71',10000:'#3498DB',20000:'#9B59B6',unknown:'#E74C3C',down:'#C0392B'};
if (!colors['2500']) colors['2500'] = '#17C3B2';
var LATW = (CFG.latency_warn != null) ? +CFG.latency_warn : 3;
var LATB = (CFG.latency_bad != null) ? +CFG.latency_bad : 5;
var TIER_BG = {core:'#1F4E78', dist:'#2E75B6', access:'#548235'};
var TIER_BG_DARK = {core:'#1B4A72', dist:'#2A5E93', access:'#3E6B2E'};
var SEV_COLORS = ['#97AAB3','#7499FF','#FFC859','#FFA059','#E97659','#E45959'];
var NODE_W = 156, NODE_H = 50, GX = 26, GY = 18, PADX = 20, PADY = 42;
var DGAP_X = 18, DGAP_Y = 26;
var GROUP_GAP_X = 46, GROUP_GAP_Y = 48, MAXW = 2800;
// overview ("全景") tiles
var TILE_W = 232, TILE_H = 116, TILE_GAP_X = 24, TILE_GAP_Y = 22;
var cy = null;
var dark = false;
var showTerm = false;
var onlyOff = false;
var pinnedTerm = null;
var termPortByMac = {}; // terminal MAC -> rendered port node id
var paused = false;
var countdown = 0;
var timer = null;
var lastSnap = null;
var viewGroup = null; // direct-link focus group, never hides the full chart
var detailNet = null; // null/auto, 'SURVE' or 'OFFICE' inside a workshop
var focusGroupLabel = null; // ?g= target, zoomed after the full chart is built
var pathParent = {}; // child -> parent chain for hover highlighting
var lastRoleMap = {}; // switch id -> computed display role
var lockedPath = null; // switch id whose path is locked by click
function el(id) { return document.getElementById(id); }
function t(k, d) { return (T[k] != null) ? T[k] : (d != null ? d : k); }
// PoE is a capability flag written by the collector's SNMP probe. The
// lightning mark is display-only, like the topology itself.
function poePrefix(n) { return (n && n.poe) ? '\u26A1\uFE0F ' : ''; }
/* ---------------- name parsing / grouping ---------------- */
function parseName(name) {
var r = {workshop:'', floor:'', cab:'', u:'', area:'', role:'', ip:''};
if (!name) return r;
var toks = String(name).split('-');
for (var i = 0; i < toks.length; i++) {
var tk = toks[i];
if (/^\d{1,3}(\.\d{1,3}){3}$/.test(tk)) { r.ip = tk; continue; }
if (!r.workshop && /^\d{4}[A-Za-z]?$/.test(tk)) { r.workshop = tk; continue; }
if (!r.floor) {
var fm = /^(GRD|\d{1,2}F)([A-Z])?(\d+)?$/i.exec(tk);
if (fm) { r.floor = fm[1].toUpperCase(); r.cab = fm[2] || ''; r.u = fm[3] || ''; continue; }
}
if (r.floor && !r.u && /^\d{1,3}$/.test(tk)) { r.u = tk; continue; }
if (!r.area && /^(OFFICE|SURVE|GRDA|DC|IDC|LAB|PROD)$/i.test(tk)) { r.area = tk.toUpperCase(); continue; }
if (!r.role && /^(Dist|Access|Core)$/i.test(tk)) { r.role = tk; }
}
return r;
}
function labelFor(n) {
var p = parseName(n.name);
var l1 = [];
if (p.workshop) l1.push(p.workshop);
if (p.area) l1.push(p.area);
if (!l1.length) {
l1.push((n.name || '').split('-')[0] || n.ip);
}
var l2 = [];
if (p.floor) { var loc = p.floor + 'F' + (p.cab || '') + (p.u ? '-' + p.u + 'U' : ''); l1.push(loc); }
if (p.role) l2.push(p.role);
l2.push(n.ip);
return poePrefix(n) + l1.join(' · ') + '\n' + l2.join(' · ');
}
function detailLabel(n) {
var pre = poePrefix(n);
var s = labelFor(n);
if (pre && s.indexOf(pre) === 0) s = s.slice(pre.length);
if (viewGroup) {
var p = viewGroup + ' · ';
if (s.indexOf(p) === 0) s = s.substring(p.length);
}
return pre + s;
}
function rowLabel(n) {
var s = String((n && n.name) || (n && n.ip) || '');
s = s.replace(/^COBCO-/i, '');
if (viewGroup) {
try { s = s.replace(new RegExp('^' + viewGroup + '-', 'i'), ''); } catch (e) {}
}
return poePrefix(n) + s;
}
function rootLabel(n) {
var pre = poePrefix(n);
var s = rowLabel(n);
if (pre && s.indexOf(pre) === 0) s = s.slice(pre.length);
var m = /^(.+?)-(SURVE|OFFICE|OTHER)-(Dist|Access)-(.+)$/i.exec(s);
if (m) return pre + m[2].toUpperCase() + ' · ' + m[1] + '\n' + m[3] + ' · ' + m[4];
return pre + s;
}
function expandLabel(tpl, m) {
return String(tpl).replace(/\$(\d)/g, function (_, d) { return m && m[+d] != null ? m[+d] : ''; });
}
function groupOf(n) {
var name = n.name || n.ip || '';
var rules = CFG.group_rules || [];
for (var i = 0; i < rules.length; i++) {
var r = rules[i];
if (r.match === 'regex') {
var re;
try { re = new RegExp(r.pattern); } catch (e) { continue; }
var m = re.exec(name);
if (m) return {label: expandLabel(r.label, m) || (CFG.other_label || 'Other'), big: !!r.big};
} else {
if (name.toLowerCase().indexOf(String(r.pattern).toLowerCase()) >= 0) return {label: r.label || (CFG.other_label || 'Other'), big: !!r.big};
}
}
return {label: CFG.other_label || 'Other', big: false};
}
/* ---------------- overview layout (workshop tiles) ---------------- */
function groupStats(snap) {
var map = {};
var nodeById = {};
(snap.nodes || []).forEach(function (n) {
nodeById[n.id] = n;
var g = groupOf(n);
var s = map[g.label] || (map[g.label] = {label: g.label, big: g.big, nodes: [], alarms: 0, offline: 0, maxsev: -1, latmax: 0, up: 0});
s.nodes.push(n);
s.offline += (n.offline || n.oper === 'down') ? 1 : 0;
if (n.alarms && n.alarms.length) {
s.alarms += n.alarms.length;
var sev = (n.maxsev != null && +n.maxsev >= 0) ? +n.maxsev : -1;
n.alarms.forEach(function (a) { if (a && a.sev != null && +a.sev > sev) sev = +a.sev; });
if (sev > s.maxsev) s.maxsev = sev;
}
if (n.latency_ms != null && +n.latency_ms > s.latmax) s.latmax = +n.latency_ms;
});
(snap.edges || []).forEach(function (e) {
var a = nodeById[e.source], b = nodeById[e.target];
if (!a || !b) return;
var ga = groupOf(a), gb = groupOf(b);
if (ga.label === gb.label) return;
// count links that leave this workshop towards a core switch
if ((/core/i.test(a.tier || '') || /core/i.test(a.name || '')) && map[gb.label]) map[gb.label].up++;
if ((/core/i.test(b.tier || '') || /core/i.test(b.name || '')) && map[ga.label]) map[ga.label].up++;
});
return map;
}
function groupRank(l) {
if (/core/i.test(l)) return 0;
if (/data\s*center/i.test(l)) return 1;
var m = /^(\d{4})([A-Za-z]?)$/.exec(l);
if (m) return 1000 + parseInt(m[1], 10) * 40 + (m[2] ? m[2].toUpperCase().charCodeAt(0) - 64 : 0);
return 5000;
}
function computeOverview(snap) {
var stats = groupStats(snap);
var labels = Object.keys(stats).sort(function (a, b) { return groupRank(a) - groupRank(b); });
var special = labels.filter(function (l) { return groupRank(l) < 1000; });
var others = labels.filter(function (l) { return groupRank(l) >= 1000; });
var COLS = Math.max(4, Math.min(7, Math.ceil(Math.sqrt(Math.max(1, others.length)))));
var gridW = COLS * TILE_W + (COLS - 1) * TILE_GAP_X;
var pos = {}, tiles = [], y = 0;
if (special.length) {
var sW = special.length * TILE_W + (special.length - 1) * TILE_GAP_X;
var sx = Math.max(0, (gridW - sW) / 2);
special.forEach(function (l) {
tiles.push({label: l, x: sx, y: y, w: TILE_W, h: TILE_H});
pos[l] = {x: sx + TILE_W / 2, y: y + TILE_H / 2};
sx += TILE_W + TILE_GAP_X;
});
y += TILE_H + 46;
}
var maxX = gridW, maxY = y;
for (var i = 0; i < others.length; i += COLS) {
var row = others.slice(i, i + COLS);
var rW = row.length * TILE_W + (row.length - 1) * TILE_GAP_X;
var rx = Math.max(0, (gridW - rW) / 2);
row.forEach(function (l, j) {
tiles.push({label: l, x: rx + j * (TILE_W + TILE_GAP_X), y: y, w: TILE_W, h: TILE_H});
pos[l] = {x: rx + j * (TILE_W + TILE_GAP_X) + TILE_W / 2, y: y + TILE_H / 2};
});
y += TILE_H + TILE_GAP_Y;
maxY = y - TILE_GAP_Y;
maxX = Math.max(maxX, rx + rW);
}
var root = {x: -34, y: -64, w: maxX + 68, h: maxY + 64 + 40};
root.cx = root.x + root.w / 2; root.cy = root.y + root.h / 2;
return {stats: stats, labels: labels, pos: pos, tiles: tiles, root: root};
}
function aggregateEdges(snap) {
var gid = {};
(snap.nodes || []).forEach(function (n) { gid[n.id] = groupOf(n).label; });
var pairs = {};
(snap.edges || []).forEach(function (e) {
var a = gid[e.source], b = gid[e.target];
if (!a || !b || a === b) return;
var k = (a < b) ? (a + '\u0001' + b) : (b + '\u0001' + a);
var p = pairs[k] || (pairs[k] = {a: a, b: b, count: 0, speed: 0, down: false});
p.count++;
if ((parseFloat(e.speed) || 0) > p.speed) p.speed = parseFloat(e.speed) || 0;
if (e.state && e.state !== 'up') p.down = true;
});
return Object.keys(pairs).map(function (k) { return pairs[k]; });
}
/* ---------------- detail layout (one workshop, left-to-right tree) ---------------- */
function floorInfo(n) {
var toks = String((n && n.name) || '').split('-');
for (var i = 0; i < toks.length; i++) {
var tk = toks[i];
var bm = /^B(\d+)$/i.exec(tk);
if (bm) { var bn = parseInt(bm[1], 10); return {key: 'B' + bn, label: 'B' + bn, rank: -200 + bn}; }
if (/^GRD/i.test(tk)) return {key: 'GRD', label: 'GRD', rank: -100};
var fm = /^(\d+(?:\.\d+)?)F/i.exec(tk);
if (fm) {
var num = parseFloat(fm[1]);
var txt = (num % 1 ? num.toFixed(1) : String(num)) + 'F';
return {key: txt, label: txt, rank: num * 10};
}
var cm = /^(\d)([A-Z])(\w+)$/i.exec(tk);
if (cm) {
var n2 = parseInt(cm[1], 10);
return {key: n2 + 'F', label: n2 + 'F', rank: n2 * 10};
}
}
return {key: 'NA', label: t('l2.floor_na', 'Other'), rank: -500};
}
function baseNetworkOf(n) {
var s = String((n && n.name) || '').toUpperCase();
if (s.indexOf('SURVE') >= 0) return 'SURVE';
if (s.indexOf('OFFICE') >= 0) return 'OFFICE';
var ip = String((n && n.ip) || '');
if (/^10\.169\./.test(ip)) return 'SURVE';
if (/^10\.160\./.test(ip)) return 'OFFICE';
return 'OTHER';
}
function networkOf(n) { return baseNetworkOf(n); }
function networkLabel(key) {
if (key === 'SURVE') return t('l2.net_surve', 'SURVE 监控网');
if (key === 'OFFICE') return t('l2.net_office', 'OFFICE 办公网');
return t('l2.net_other', '其他网络');
}
function computeDetail(snap, label) {
var all = snap.nodes || [];
var byId = {}, groupNodes = [];
all.forEach(function (n) { byId[n.id] = n; if (groupOf(n).label === label) groupNodes.push(n); });
// Split one workshop by physical network first: office and surveillance never mix.
var gids = {}, rawAdj = {};
groupNodes.forEach(function (n) { gids[n.id] = true; rawAdj[n.id] = []; });
(snap.edges || []).forEach(function (e) {
if (gids[e.source] && gids[e.target]) { rawAdj[e.source].push(e.target); rawAdj[e.target].push(e.source); }
});
var netMap = {};
groupNodes.forEach(function (n) { netMap[n.id] = baseNetworkOf(n); });
// Unlabelled access switches inherit the network of the distribution they hang from.
for (var pass = 0; pass < 4; pass++) {
groupNodes.forEach(function (n) {
if (netMap[n.id] !== 'OTHER') return;
var votes = {};
rawAdj[n.id].forEach(function (id) {
var k = netMap[id];
if (k && k !== 'OTHER') votes[k] = (votes[k] || 0) + 1;
});
var best = null, bestN = 0;
Object.keys(votes).forEach(function (k) { if (votes[k] > bestN) { best = k; bestN = votes[k]; } });
if (best) netMap[n.id] = best;
});
}
var counts = {}, nets = [];
groupNodes.forEach(function (n) {
var k = netMap[n.id];
if (!counts[k]) { counts[k] = 0; nets.push(k); }
counts[k]++;
});
nets.sort(function (a, b) {
if (a === 'SURVE') return -1;
if (b === 'SURVE') return 1;
if (a === 'OFFICE') return -1;
if (b === 'OFFICE') return 1;
return counts[b] - counts[a];
});
var activeNet = (detailNet && counts[detailNet]) ? detailNet : (nets.length ? nets[0] : 'OTHER');
var nodes = groupNodes.filter(function (n) { return netMap[n.id] === activeNet; });
var ids = {};
nodes.forEach(function (n) { ids[n.id] = true; });
var internal = [], external = [];
(snap.edges || []).forEach(function (e) {
var a = ids[e.source], b = ids[e.target];
if (a && b) internal.push(e);
else if (a || b) external.push(e);
});
var adj = {};
nodes.forEach(function (n) { adj[n.id] = []; });
internal.forEach(function (e) { adj[e.source].push(e.target); adj[e.target].push(e.source); });
// Distribution switches are the left-hand roots of the workshop tree.
var dists = nodes.filter(function (n) { return /dist/i.test(n.tier || '') && /dist/i.test(n.name || ''); })
.sort(function (a, b) { return (adj[b.id].length - adj[a.id].length) || String(a.name).localeCompare(String(b.name)); });
if (!dists.length) {
var cand = nodes.slice().sort(function (a, b) { return adj[b.id].length - adj[a.id].length; })[0];
if (cand) dists = [cand];
}
// One physical root per network tab; peer/redundant distribution switches are listed below it.
if (dists.length > 1) dists = [dists[0]];
// Group all non-distribution switches into floor buckets (GRD lowest, then 1F/2F/3F...).
var floorMap = {};
nodes.forEach(function (n) {
if (dists.indexOf(n) >= 0) return;
if (/core/i.test(n.tier || '')) return;
var fi = floorInfo(n);
var f = floorMap[fi.key] || (floorMap[fi.key] = {key: fi.key, label: fi.label, rank: fi.rank, nodes: []});
f.nodes.push(n);
});
var floors = Object.keys(floorMap).map(function (k) { return floorMap[k]; });
floors.forEach(function (f) {
f.nodes.sort(function (a, b) {
var pa = parseName(a.name), pb = parseName(b.name);
var ca = (pa.cab || '') + (pa.u || ''), cb = (pb.cab || '') + (pb.u || '');
if (ca !== cb) return ca.localeCompare(cb);
return String(a.name).localeCompare(String(b.name));
});
});
// Highest floor at the top, GRD at the bottom.
floors.sort(function (a, b) { return b.rank - a.rank; });
var WORK_L = 300, FLOOR_X = 520, DIST_FRAME_W = 190, TOP_OFF = 34;
var ROW_W = 380, ROW_H = 24, ROW_GAP = 8, FLOOR_HEAD = 28, FLOOR_GAP = 12;
var floorW = ROW_W + PADX * 2 + 110;
floors.forEach(function (f) {
f.cols = 1;
f.rows = f.nodes.length;
f.innerW = ROW_W;
f.h = FLOOR_HEAD + f.rows * ROW_H + Math.max(0, f.rows - 1) * ROW_GAP + 10;
});
var workRight = FLOOR_X + floorW + 14;
var workW = workRight - WORK_L;
var pos = {}, top = 44 + TOP_OFF;
floors.forEach(function (f) {
f.frame = {x: FLOOR_X, y: top, w: floorW, h: f.h};
f.nodes.forEach(function (n, i) {
pos[n.id] = {
x: FLOOR_X + PADX + ROW_W / 2,
y: top + FLOOR_HEAD + i * (ROW_H + ROW_GAP) + ROW_H / 2
};
});
top += f.h + FLOOR_GAP;
});
var workH = Math.max(220, top + 6);
var distFrame = dists.length ? {x: WORK_L + 8, y: 44 + TOP_OFF, w: DIST_FRAME_W, h: workH - (44 + TOP_OFF) - 14} : null;
var distX = WORK_L + 8 + DIST_FRAME_W / 2;
if (dists.length) {
var childYs = floors.reduce(function (acc, f) {
return acc.concat(f.nodes.map(function (n) { return pos[n.id] ? pos[n.id].y : 0; }));
}, []);
var cy = childYs.length ? (Math.min.apply(null, childYs) + Math.max.apply(null, childYs)) / 2 : distFrame.y + distFrame.h / 2;
pos[dists[0].id] = {x: distX, y: cy};
}
var missing = nodes.filter(function (n) { return !pos[n.id]; });
missing.forEach(function (n, i) {
pos[n.id] = {x: distX, y: (distFrame ? distFrame.y + 30 : 80) + i * (NODE_H + 12)};
});
// One ghost core per external core→distribution uplink, aligned left of its distribution switch.
var ghosts = [], ghostSeen = {};
external.forEach(function (e) {
var inside = ids[e.source] ? e.source : e.target;
var outside = ids[e.source] ? e.target : e.source;
if (!pos[inside] || !byId[outside]) return;
// Only a real core uplink gets a ghost; other cross-group edges are not drawn as cores.
if (!/core/i.test(byId[outside].tier || '') && !/core/i.test(byId[outside].name || '')) return;
var key = outside + '|' + inside;
if (ghostSeen[key]) return;
var g = {id: 'gh_' + outside + '_' + inside, to: inside, node: byId[outside], speed: e.speed, state: e.state};
ghostSeen[key] = g;
ghosts.push(g);
});
var ghostAt = {};
ghosts.forEach(function (g) {
var base = pos[g.to];
var k = ghostAt[g.to] || 0;
ghostAt[g.to] = k + 1;
g.x = 92;
g.y = base.y + (k ? (k % 2 ? 1 : -1) * 46 * Math.ceil(k / 2) : 0);
});
// Root each tree at the distribution switch; remember every child's parent for path highlighting.
var parentOf = {}, ghostOfDist = {};
ghosts.forEach(function (g) { if (!ghostOfDist[g.to]) ghostOfDist[g.to] = g.id; });
var seen = {};
dists.forEach(function (d) {
if (seen[d.id]) return;
seen[d.id] = true;
parentOf[d.id] = ghostOfDist[d.id] || null;
var queue = [d.id];
while (queue.length) {
var cur = queue.shift();
adj[cur].forEach(function (nb) {
if (seen[nb]) return;
seen[nb] = true;
parentOf[nb] = cur;
queue.push(nb);
});
}
});
nodes.forEach(function (n) { if (!seen[n.id]) seen[n.id] = true; });
var workshop = {x: WORK_L, y: 0, w: workW, h: workH, label: label + ' · ' + networkLabel(activeNet) + ' · ' + nodes.length + ' ' + t('l2.unit_sw', 'sw')};
var distFrameFull = distFrame ? {
x: distFrame.x, y: distFrame.y, w: distFrame.w, h: distFrame.h,
label: t('l2.dist', 'Distribution') + ' · ' + dists.length
} : null;
floors.forEach(function (f) {
f.frame.label = f.label + ' · ' + f.nodes.length + ' ' + t('l2.unit_sw', 'sw');
});
var root = {x: -20, y: -48, w: workRight + 40, h: workH + 80};
root.cx = root.x + root.w / 2; root.cy = root.y + root.h / 2;
return {
nodes: nodes, byId: byId, pos: pos, ghosts: ghosts, parentOf: parentOf,
dists: dists, floors: floors, frames: {workshop: workshop, dist: distFrameFull},
root: root, totalW: workRight, ids: ids, internal: internal,
nets: nets.map(function (k) { return {key: k, count: counts[k]}; }), activeNet: activeNet, totalNodes: groupNodes.length
};
}
/* ---------------- one-chart layout: fixed columns by tier ----------------
Left to right: physical core → each network's main switch → every
workshop distribution switch → access switches. A workshop frame spans
the distribution + access columns; each floor is a small frame inside it.
Same workshop on two networks is always two separate frames. */
var CORE_X = 130, MAIN_X = 430, DIST_X = 790, ACCESS_X = 1300;
var CORE_W = 200, MAIN_W = 300, NODE_W3 = 300;
var WORK_LEFT = 610, WORK_RIGHT = 1530;
var FLOOR_LEFT = 1130;
var CHART_W = 1560;
var ACCESS_STEP = 380, DIST_STEP = 86;
var SEC_HEAD = 46, CORE_ROW = 92, WORK_TOP = 148;
var ROW_H = 34, ROW_GAP = 14, WS_GAP = 36, SEC_GAP = 52;
var FLOOR_GAP = 26;
// Front-panel port colours are deliberately separate from link colours:
// the ring shows the port's maximum capability, the inner fill shows the
// negotiated rate. This is why a 10GE port with a 1G link is purple/green.
var PORT_COLORS = {
100: '#F39C12', 1000: '#2ECC71', 2500: '#17C3B2', 5000: '#17C3B2',
10000: '#9B59B6', 20000: '#8E44AD', 40000: '#7D3C98', 100000: '#6C3483',
unknown: '#95A5A6'
};
function portColor(v) {
var n = parseFloat(v);
if (!isFinite(n) || n <= 0) return PORT_COLORS.unknown;
if (n <= 100) return PORT_COLORS[100];
if (n <= 1000) return PORT_COLORS[1000];
if (n <= 2500) return PORT_COLORS[2500];
if (n <= 5000) return PORT_COLORS[5000];
if (n <= 10000) return PORT_COLORS[10000];
if (n <= 20000) return PORT_COLORS[20000];
if (n <= 40000) return PORT_COLORS[40000];
return PORT_COLORS[100000];
}
function portMaxFromName(name, fallback) {
var s = String(name || '').toUpperCase().replace(/\s+/g, '');
var m = s.match(/^(100GE|50GE|40GE|25GE|10GE|XGE|2\.5GE|GE|FE)/);
if (m) {
return { '100GE': 100000, '50GE': 50000, '40GE': 40000, '25GE': 25000,
'10GE': 10000, 'XGE': 10000, '2.5GE': 2500, 'GE': 1000, 'FE': 100 }[m[1]] || fallback || 0;
}
if (/^GIGABITETHERNET/.test(s)) return 1000;
if (/^XGIGABITETHERNET/.test(s)) return 10000;
if (/^FASTETHERNET/.test(s)) return 100;
return parseFloat(fallback) || 0;
}
function portFamily(name) {
var s = String(name || '').toUpperCase().replace(/\s+/g, '');
var m = s.match(/^(100GE|50GE|40GE|25GE|10GE|XGE|2\.5GE|GE|FE)/);
if (m) return m[1];
if (/^GIGABITETHERNET/.test(s)) return 'GE';
if (/^XGIGABITETHERNET/.test(s)) return 'XGE';
if (/^FASTETHERNET/.test(s)) return 'FE';
return 'OTHER';
}
function portRows(ports) {
var groups = {}, order = [];
(ports || []).slice().sort(function (a, b) {
return (parseInt(a.order, 10) || 0) - (parseInt(b.order, 10) || 0);
}).forEach(function (p) {
var f = portFamily(p.name);
if (!groups[f]) { groups[f] = []; order.push(f); }
groups[f].push(p);
});
var rows = [];
order.forEach(function (f) {
var arr = groups[f];
// A normal access panel is two rows: 24 ports => 12+12, 48 => 24+24.
// Uplink groups (usually 4-8 ports) stay on their own single row.
var per = arr.length <= 12 ? arr.length : Math.ceil(arr.length / 2);
for (var i = 0; i < arr.length; i += per) rows.push(arr.slice(i, i + per));
});
return rows;
}
function makeNetworks() {
var raw = CFG.networks;
if (!raw || !raw.length) {
raw = [
{key: 'SURVE', label: t('l2.net_surve', 'SURVE 监控网'), keywords: ['SURVE', '10.169.'], color: '#2E75B6'},
{key: 'OFFICE', label: t('l2.net_office', 'OFFICE 办公网'), keywords: ['OFFICE', '10.160.'], color: '#548235'}
];
}
return raw.map(function (n, i) {
var kws = n.keywords;
if (!(kws instanceof Array)) kws = String(kws || '').split(/[,，;；\s]+/);
return {
key: String(n.key || ('NET' + i)).trim().toUpperCase(),
label: String(n.label || n.key || ('NET' + i)),
keywords: kws.map(function (s) { return String(s).trim(); }).filter(Boolean),
color: /^#[0-9a-fA-F]{6}$/.test(String(n.color || '')) ? n.color : '#607D8B'
};
});
}
var NETWORKS = makeNetworks();
function netLabel(key) {
for (var i = 0; i < NETWORKS.length; i++) if (NETWORKS[i].key === key) return NETWORKS[i].label;
return key === 'OTHER' ? t('l2.net_other', '其他网络') : String(key || '');
}
function netColor(key) {
for (var i = 0; i < NETWORKS.length; i++) if (NETWORKS[i].key === key) return NETWORKS[i].color;
return '#607D8B';
}
function rawNetOf(n) {
var hay = (String((n && n.name) || '') + ' ' + String((n && n.ip) || '')).toUpperCase();
for (var i = 0; i < NETWORKS.length; i++) {
for (var j = 0; j < NETWORKS[i].keywords.length; j++) {
if (hay.indexOf(String(NETWORKS[i].keywords[j]).toUpperCase()) >= 0) return NETWORKS[i].key;
}
}
return 'OTHER';
}
// Core/root switch rules are configured from the L2 tab, one row per core.
// Multiple cores in the same network are supported and all of them are
// placed in the left-most core column.
function coreRules() {
var r = CFG.core_rules;
return (r instanceof Array) ? r : [];
}
function coreRuleHit(rule, n) {
var pattern = String(rule.pattern || '');
if (!pattern) return false;
var net = String(rule.net || '').toUpperCase();
if (net) {
var raw = rawNetOf(n);
// A core with no recognisable network keyword may still be assigned by
// the rule; a switch already known to belong to another network must
// not be stolen by a broad pattern.
if (raw !== 'OTHER' && raw !== net) return false;
}
var hay = String((n && n.name) || '') + ' ' + String((n && n.ip) || '');
if (String(rule.match || 'contains') === 'regex') {
try { return new RegExp(pattern, 'i').test(hay); } catch (e) { return false; }
}
return hay.toLowerCase().indexOf(pattern.toLowerCase()) >= 0;
}
function configuredCore(n) {
var rules = coreRules();
for (var i = 0; i < rules.length; i++) if (coreRuleHit(rules[i], n)) return true;
return false;
}
function configuredCoreNet(n) {
var rules = coreRules();
for (var i = 0; i < rules.length; i++) {
if (coreRuleHit(rules[i], n) && String(rules[i].net || '').trim() !== '') return String(rules[i].net).toUpperCase();
}
return '';
}
// Network is decided first by name/IP keyword, then by the rest of the
// workshop, then by graph adjacency. No switch is ever shown under the
// wrong upstream network.
function assignNetworks(snap) {
var nodes = snap.nodes || [], byId = {}, net = {}, adj = {};
nodes.forEach(function (n) {
byId[n.id] = n; net[n.id] = rawNetOf(n); adj[n.id] = [];
var cn = configuredCoreNet(n);
if (cn) net[n.id] = cn;
});
(snap.edges || []).forEach(function (e) {
if (adj[e.source] && adj[e.target]) { adj[e.source].push(e.target); adj[e.target].push(e.source); }
});
var groupVote = {};
nodes.forEach(function (n) {
var k = groupOf(n).label, v = net[n.id];
if (v && v !== 'OTHER') (groupVote[k] = groupVote[k] || {})[v] = true;
});
nodes.forEach(function (n) {
if (net[n.id] !== 'OTHER') return;
var v = groupVote[groupOf(n).label], keys = v ? Object.keys(v) : [];
if (keys.length === 1) net[n.id] = keys[0];
});
for (var pass = 0; pass < 8; pass++) {
var changed = false;
nodes.forEach(function (n) {
if (net[n.id] !== 'OTHER') return;
var votes = {};
adj[n.id].forEach(function (id) { if (net[id] && net[id] !== 'OTHER') votes[net[id]] = (votes[net[id]] || 0) + 1; });
var best = null, bn = 0;
Object.keys(votes).forEach(function (k) { if (votes[k] > bn) { best = k; bn = votes[k]; } });
if (best) { net[n.id] = best; changed = true; }
});
if (!changed) break;
}
return net;
}
function roleOf(n) {
var p = parseName(n.name || '');
var r = String(p.role || '').toLowerCase();
var tier = String(n.tier || '').toLowerCase();
var childCount = parseInt(n.children, 10);
if (isNaN(childCount)) childCount = -1;
if (configuredCore(n)) return 'core';
// Backward-compatible fallback only when the core list is absent (old
// config). An explicitly empty list means the administrator wants no
// configured core column.
if (!(CFG.core_rules instanceof Array) && (/^core(\s|-)/i.test(String(n.name || '')) || groupOf(n).label === 'Core')) return 'core';
// Hostname role is the display truth for Access switches. An access
// switch may itself have access children (cascade/stack); it still stays
// an access node and the children simply take a further-right column.
// A Dist switch stays a distribution point even when it has only one child.
if (r === 'access') return 'access';
if (r === 'dist') {
// Old snapshots sometimes call a leaf "Dist"; if it has no children and
// the collector already marked it as access, keep it an access leaf.
if (tier === 'access' && childCount <= 0) return 'access';
return 'dist';
}
if (r === 'core') return childCount > 0 ? 'dist' : 'main';
if (tier === 'core') {
if (childCount > 0) return 'dist';
return 'main';
}
if (childCount > 0) return 'dist';
if (tier === 'distribution') return 'dist';
return 'access';
}
function roleName(r) {
if (r === 'core') return t('l2.core', '核心');
if (r === 'main') return t('l2.main', '主交换');
if (r === 'dist') return t('l2.dist', '汇聚');
return t('l2.access', '接入');
}
function shortLoc(n) {
var p = parseName(n.name || '');
if (!p.floor) return '';
return p.floor + (p.cab || '') + (p.u ? '-' + p.u : '');
}
function switchLabel(n, role, netKey) {
var g = groupOf(n).label;
var s;
if (role === 'core') s = roleName('core') + ' · ' + (netKey || rawNetOf(n)) + ' · ' + (n.ip || '');
else if (role === 'main') s = roleName('main') + ' · ' + g + ' · ' + (n.ip || '');
else {
var loc = shortLoc(n);
s = [g, loc, roleName(role)].filter(Boolean).join(' · ') + ' · ' + (n.ip || '');
}
return poePrefix(n) + s;
}
// A workshop is the physical area served by one distribution switch, not
// the four-digit prefix printed on each access switch. The same dist can
// serve access switches in several rooms/buildings; they must share one
// frame, otherwise their uplink line would cross unrelated frames.
function workshopKeys(snap) {
var byId = {}, adj = {}, keys = {};
(snap.nodes || []).forEach(function (n) { byId[n.id] = n; adj[n.id] = []; });
(snap.edges || []).forEach(function (e) {
if (adj[e.source] && adj[e.target]) { adj[e.source].push(e.target); adj[e.target].push(e.source); }
});
function depthOf(n) {
var d = parseInt(n && n.depth, 10);
return (isFinite(d) && d >= 0 && d < 99) ? d : 999;
}
// Walk upstream to the highest non-core node. This is the real workshop
// anchor. It keeps cascaded access (2.59 -> 2.75) in the 4401 frame while
// still allowing an access switch that is itself an anchor (4504 -> .118/
// 6109 access) to own one frame. No protocol edge is changed here.
function rootOf(n) {
var cur = n, guard = 0;
while (cur && guard++ < 80) {
var cd = depthOf(cur), best = null;
(adj[cur.id] || []).forEach(function (id) {
var up = byId[id];
if (!up || up.id === cur.id) return;
var ud = depthOf(up);
if (ud < cd) {
if (!best || ud < depthOf(best)) best = up;
}
});
if (!best) return cur;
if (roleOf(best) === 'core') return cur;
cur = best;
}
return cur || n;
}
(snap.nodes || []).forEach(function (n) {
var r = roleOf(n);
if (r === 'core' || r === 'main') return;
var root = rootOf(n);
keys[n.id] = groupOf(root || n).label;
});
return keys;
}
function workshopList(snap, netMap, netKey, wsKeys) {
var map = {}, order = [];
(snap.nodes || []).forEach(function (n) {
if (netMap[n.id] !== netKey) return;
var r = roleOf(n);
if (r === 'core' || r === 'main') return;
var g = (wsKeys && wsKeys[n.id]) || groupOf(n).label;
if (!map[g]) { map[g] = {key: g, label: g, extra: [], net: netKey, dists: [], access: [], all: []}; order.push(g); }
map[g].all.push(n);
if (r === 'dist') map[g].dists.push(n); else map[g].access.push(n);
});
return order.map(function (g) { return map[g]; }).filter(function (w) { return w.all.length > 0; })
.map(function (w) {
w.access.forEach(function (a) {
var raw = groupOf(a).label;
if (raw !== w.key && w.extra.indexOf(raw) < 0) w.extra.push(raw);
});
w.label = w.key + (w.extra.length ? ' + ' + w.extra.slice(0, 3).join('/') + (w.extra.length > 3 ? '…' : '') : '');
return w;
});
}
function layoutWorkshop(w, top, snap) {
var portRowMax = 0;
if (showTerm) {
w.all.forEach(function (n) {
var rows = portRows(n.ports).length;
if (!rows) rows = 2; // generic 24-port fallback
if (rows > portRowMax) portRowMax = rows;
});
}
// Every port row is 14px high (9px circle + breathing room). Keep a
// little space below the last row; when ports are unavailable the old
// 24px terminal area remains.
var portExtra = showTerm ? Math.max(24, portRowMax * 14 + 10) : 0;
var rowH = ROW_H + ROW_GAP + portExtra;
var floorMap = {}, floors = [], accessFloor = {};
w.access.forEach(function (n) {
var fi = floorInfo(n);
var k = fi.key;
if (!floorMap[k]) { floorMap[k] = {key: k, label: fi.label, rank: (fi.key === 'NA' ? 999 : fi.rank), nodes: [], rows: []}; floors.push(floorMap[k]); }
floorMap[k].nodes.push(n);
accessFloor[n.id] = k;
});
floors.sort(function (a, b) { return a.rank - b.rank || String(a.label).localeCompare(String(b.label)); });
// Build the access sub-columns from the real graph: direct children of a
// dist are column 0, their access children column 1, and so on. No
// logical parent/child is replaced by this; it only decides x positions.
var byId = {}, adj = {}, member = {};
w.all.forEach(function (n) { byId[n.id] = n; adj[n.id] = []; member[n.id] = true; });
(snap.edges || []).forEach(function (e) {
if (member[e.source] && member[e.target]) { adj[e.source].push(e.target); adj[e.target].push(e.source); }
});
function numDepth(n) {
var d = parseInt(n && n.depth, 10);
return (isFinite(d) && d >= 0 && d < 99) ? d : 99;
}
var starts = w.dists.map(function (n) { return n.id; });
if (!starts.length) {
// A frame with no Dist (e.g. 4504 when its hostname says Access) still
// has a top access node. Find nodes with no upstream member.
w.access.forEach(function (n) {
var up = false;
(adj[n.id] || []).forEach(function (id) {
var other = byId[id];
if (other && numDepth(other) < numDepth(n)) up = true;
});
if (!up) starts.push(n.id);
});
if (!starts.length && w.access.length) starts.push(w.access[0].id);
}
var level = {}, queue = [];
starts.forEach(function (id) { if (byId[id]) { level[id] = 0; queue.push(id); } });
while (queue.length) {
var cur = queue.shift();
(adj[cur] || []).forEach(function (id) {
if (!byId[id] || level[id] != null) return;
level[id] = level[cur] + 1;
queue.push(id);
});
}
var base = w.dists.length ? 1 : 0;
w.access.forEach(function (n) {
var lv = level[n.id];
n._col = (lv == null) ? 0 : Math.max(0, lv - base);
if (n._col > 12) n._col = 12;
});
var maxCol = 0;
floors.forEach(function (f) {
// A child fed from another floor (e.g. 1FA-27 2.59 -> GRD 2.75) is put
// at the top of its own floor frame. Its straight line then stays out
// of the labels of the floor's normal first column.
function parentFloorKey(n) {
var best = null, bestD = 999;
(adj[n.id] || []).forEach(function (id) {
var up = byId[id];
if (!up || !accessFloor[id]) return;
var ud = numDepth(up);
if (ud < numDepth(n) && ud < bestD) { best = up; bestD = ud; }
});
return best ? accessFloor[best.id] : f.key;
}
f.nodes.sort(function (a, b) {
var ca = (parentFloorKey(a) === f.key ? 1 : 0) - (parentFloorKey(b) === f.key ? 1 : 0);
if (ca) return ca;
var cc = (a._col || 0) - (b._col || 0);
if (cc) return cc;
return String(a.name).localeCompare(String(b.name));
});
f.nodes.forEach(function (n) { maxCol = Math.max(maxCol, n._col || 0); f.maxCol = Math.max(f.maxCol || 0, n._col || 0); });
f.crossFloor = f.nodes.some(function (n) { return parentFloorKey(n) !== f.key; });
f.h = 28 + f.nodes.length * rowH + 10;
});
var accessH = 0;
floors.forEach(function (f) { accessH += f.h; });
if (floors.length > 1) accessH += (floors.length - 1) * FLOOR_GAP;
var distH = w.dists.length ? (w.dists.length * DIST_STEP + (w.dists.length - 1) * 10) : 0;
var inner = Math.max(accessH, distH, 54);
var h = 40 + inner + 12;
w.top = top; w.h = h; w.rowH = rowH;
w.right = Math.max(WORK_RIGHT, ACCESS_X + maxCol * ACCESS_STEP + NODE_W3 / 2 + 26);
// Floors are stacked bottom-up: GRD lowest, then 1F → 3F → 4F → 7F.
var cursor = top + h - 10;
floors.forEach(function (f) {
cursor -= f.h;
var floorW = Math.max(340, ACCESS_X + (f.maxCol || 0) * ACCESS_STEP + NODE_W3 / 2 + 26 - FLOOR_LEFT);
f.frame = {x: FLOOR_LEFT, y: cursor, w: floorW, h: f.h};
if (f.crossFloor) f.labelX = FLOOR_LEFT + 72;
f.nodes.forEach(function (n, i) {
f.rows.push({id: n.id, x: ACCESS_X + (n._col || 0) * ACCESS_STEP, y: cursor + 28 + rowH / 2 + i * rowH});
});
cursor -= FLOOR_GAP;
});
var dstart = top + 40 + (inner - distH) / 2;
w.distPos = w.dists.map(function (n, i) {
return {id: n.id, x: DIST_X, y: dstart + DIST_STEP / 2 + i * (DIST_STEP + 10)};
});
w.floors = floors;
w.title = w.label + ' · ' + netLabel(w.net) + ' · ' + w.all.length + ' ' + t('l2.unit_sw', '台');
// A workshop without a distribution switch only needs a box around its
// access columns; keeping the full dist-column width would leave a large
// empty rectangle and make the chart look sparse.
var frameLeft = w.dists.length ? WORK_LEFT : FLOOR_LEFT - 40;
w.frame = {x: frameLeft, y: top, w: w.right - frameLeft, h: h};
return h;
}
function computeFull(snap) {
var nodes = snap.nodes || [];
var netMap = assignNetworks(snap);
var sections = [], placements = [], frames = [], roleMap = {};
var wsKeys = workshopKeys(snap);
var y = 100, maxRight = CHART_W;
NETWORKS.forEach(function (net) {
var secNodes = nodes.filter(function (n) { return netMap[n.id] === net.key; });
if (!secNodes.length) return;
var cores = [], main = null;
secNodes.forEach(function (n) {
roleMap[n.id] = roleOf(n);
if (roleMap[n.id] === 'core') cores.push(n);
if (roleMap[n.id] === 'main' && !main) main = n;
});
var ws = workshopList(snap, netMap, net.key, wsKeys);
var sec = {
key: net.key, label: netLabel(net.key) + ' · ' + secNodes.length + ' ' + t('l2.unit_sw', '台'),
x: 10, y: y, w: CHART_W - 20, h: 0, color: netColor(net.key),
core: cores[0] || null, cores: cores, main: main, workshops: ws
};
var cur = y + WORK_TOP;
ws.forEach(function (w) {
layoutWorkshop(w, cur, snap);
maxRight = Math.max(maxRight, w.right || WORK_RIGHT);
cur += w.h + WS_GAP;
frames.push({id: 'ws_' + net.key + '_' + w.key, type: 'wsframe', x: w.frame.x, y: w.frame.y, w: w.frame.w, h: w.frame.h,
label: w.title, group: w.key, net: net.key, color: net.color});
w.floors.forEach(function (f, fi) {
frames.push({id: 'ff_' + net.key + '_' + w.key + '_' + fi, type: 'floorframe', x: f.frame.x, y: f.frame.y,
w: f.frame.w, h: f.frame.h, label: f.label + ' · ' + f.nodes.length + ' ' + t('l2.unit_sw', '台'), labelX: f.labelX, net: net.key, color: net.color});
});
w.distPos.forEach(function (p) {
var n = nodes.filter(function (x) { return x.id === p.id; })[0];
if (n) placements.push({node: n, role: 'dist', x: p.x, y: p.y, w: NODE_W3, h: 26, net: net.key, group: w.key, ws: net.key + '|' + w.key});
});
w.floors.forEach(function (f) {
f.rows.forEach(function (p) {
var n = nodes.filter(function (x) { return x.id === p.id; })[0];
if (n) placements.push({node: n, role: 'access', x: p.x, y: p.y, w: NODE_W3, h: 26, net: net.key, group: w.key, ws: net.key + '|' + w.key});
});
});
});
sec.h = (cur - y) + 16;
// The network main switch stays at the top of its tier column (its access
// children sit directly under it, as in the reference chart); the core
// sits lower in the column so its uplinks fan symmetrically.
sec.mainY = y + SEC_HEAD + 46;
sec.coreY = y + Math.max(CORE_ROW + SEC_HEAD, Math.round(sec.h * 0.55));
if (cores.length) {
var coreStep = 64;
var coreTop = sec.coreY - ((cores.length - 1) * coreStep) / 2;
cores.forEach(function (cn, ci) {
placements.push({node: cn, role: 'core', x: CORE_X, y: coreTop + ci * coreStep, w: CORE_W, h: 54, net: net.key, group: 'Core'});
});
}
if (main) placements.push({node: main, role: 'main', x: MAIN_X, y: sec.mainY, w: MAIN_W, h: 46, net: net.key, group: groupOf(main).label});
sections.push(sec);
y += sec.h + SEC_GAP;
});
var chartW = Math.max(CHART_W, maxRight + 40);
sections.forEach(function (sec) { sec.w = chartW - 20; });
var root = {x: 0, y: 0, w: chartW, h: y + 6};
return {sections: sections, placements: placements, frames: frames, netMap: netMap, roleMap: roleMap, root: root};
}
// Immediate upstream parent per switch: access -> its workshop dist;
// dist -> core when directly attached, otherwise the network main switch.
function buildParents(snap, L) {
var byId = {}, adj = {}, edgeSpeed = {};
L.placements.forEach(function (p) { byId[p.node.id] = p; });
(snap.nodes || []).forEach(function (n) { adj[n.id] = []; });
(snap.edges || []).forEach(function (e) {
if (!adj[e.source] || !adj[e.target]) return;
adj[e.source].push(e.target); adj[e.target].push(e.source);
edgeSpeed[e.source + '|' + e.target] = edgeSpeed[e.target + '|' + e.source] = parseFloat(e.speed) || 0;
});
var parent = {};
Object.keys(byId).forEach(function (id) {
var role = L.roleMap[id] || 'access';
if (role === 'core') return;
var p = byId[id], cands = (adj[id] || []).map(function (x) { return {id: x, role: L.roleMap[x] || 'access', p: byId[x]}; })
.filter(function (c) { return c.p; });
var want = role === 'main' ? ['core'] : (role === 'dist' ? ['core', 'main'] : ['dist', 'main', 'core']);
var best = null;
for (var wi = 0; wi < want.length && !best; wi++) {
var list = cands.filter(function (c) {
if (c.role !== want[wi]) return false;
if (role === 'access' && want[wi] === 'dist' && c.p.ws && p.ws && c.p.ws !== p.ws) return false;
return true;
});
if (list.length) {
list.sort(function (a, b) { return (edgeSpeed[id + '|' + b.id] || 0) - (edgeSpeed[id + '|' + a.id] || 0); });
best = list[0];
}
}
if (best) parent[id] = best.id;
});
return parent;
}
/* ---------------- speed colour ---------------- */
function speedColor(speed, state) {
if (state && state !== 'up') return colors.down;
var s = parseFloat(speed);
if (!isFinite(s) || s <= 0) return colors.unknown;
if (s <= 100) return colors['100'];
if (s <= 1000) return colors['1000'];
if (s <= 2500) return colors['2500'];
if (s <= 10000) return colors['10000'];
return colors['20000'];
}
function speedWidth(speed) {
var s = parseFloat(speed) || 0;
if (s >= 20000) return 4.5;
if (s >= 10000) return 3.6;
if (s >= 1000) return 2.6;
return 1.8;
}
// Animation speed (pixels per 60Hz frame) by link rate. The visible
// flow is only an overlay; the protocol/display link itself never changes.
function flowRate(speed) {
var s = parseFloat(speed) || 0;
if (s >= 20000) return 4.6;
if (s >= 10000) return 3.4;
if (s >= 1000) return 2.0;
if (s > 0) return 0.9;
return 0.6;
}
function speedText(speed) {
var s = parseFloat(speed) || 0;
if (!s) return '?';
if (s >= 1000) return (s / 1000) + 'G';
return s + 'M';
}
function terminalOnline(tm) {
return tm && (tm.online === true || tm.online === 1 || tm.online === '1' || tm.online === 'true');
}
function terminalText(tm) {
return tm.mac + '\n' + speedText(tm.speed);
}
/* ---------------- style ---------------- */
function styleFor(d) {
var bg = d ? TIER_BG_DARK : TIER_BG;
return [
{selector: 'node', style: {
'width': 'data(w)', 'height': 'data(h)', 'shape': 'round-rectangle',
'background-color': 'data(bg)', 'border-width': 2, 'border-color': 'data(bd)',
'label': 'data(label)', 'color': d ? '#eaf1fb' : '#ffffff',
'font-size': 11.5, 'font-weight': 600, 'text-valign': 'center', 'text-halign': 'center',
'text-wrap': 'wrap', 'text-max-width': NODE_W - 16, 'padding': '2px',
'overlay-opacity': 0, 'z-index-compare': 'manual', 'z-index': 20
}},
{selector: 'node[type="frame"]', style: {
'background-opacity': d ? 0.05 : 0.035, 'background-color': d ? '#5b7bb0' : '#8fa6c4',
'border-width': 1.6, 'border-style': 'dashed', 'border-color': d ? '#3f5377' : '#c2ccdb',
'label': 'data(label)', 'text-valign': 'top', 'text-halign': 'center',
'font-size': 'data(fs)', 'font-weight': 800, 'color': d ? '#aebfd8' : '#526178',
'text-margin-y': 8, 'padding': '0px', 'events': 'no', 'z-index-compare': 'manual', 'z-index': 2
}},
{selector: 'node[type="netframe"]', style: {
'background-opacity': d ? 0.03 : 0.02, 'background-color': d ? '#7b91b8' : '#adc0d8',
'border-width': 3, 'border-style': 'solid', 'border-color': 'data(bd)',
'label': 'data(label)', 'text-valign': 'top', 'text-halign': 'center',
'font-size': 22, 'font-weight': 900, 'color': d ? '#dbe9ff' : '#29425f',
'text-margin-y': 8, 'padding': '0px', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 1
}},
{selector: 'node[type="wsframe"]', style: {
'background-opacity': d ? 0.02 : 0.014, 'background-color': d ? '#6f8fc4' : '#8fa6c4',
'border-width': 2.2, 'border-style': 'solid', 'border-color': 'data(bd)',
'label': 'data(label)', 'text-valign': 'top', 'text-halign': 'center', 'text-wrap': 'none',
'font-size': 15.5, 'font-weight': 900, 'color': d ? '#d7e6ff' : '#2f4560',
'text-margin-x': 0, 'text-margin-y': 7, 'padding': '0px', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 2
}},
{selector: 'node[type="floorframe"]', style: {
'background-opacity': d ? 0.04 : 0.025, 'background-color': d ? '#5b7bb0' : '#8fa6c4',
'border-width': 1.1, 'border-style': 'dashed', 'border-color': 'data(bd)',
'label': 'data(label)', 'text-valign': 'top', 'text-halign': 'center', 'text-wrap': 'none',
'font-size': 11.5, 'font-weight': 800, 'color': d ? '#a9c1e3' : '#425a78',
'text-margin-x': 0, 'text-margin-y': 6, 'padding': '0px', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 3
}},
{selector: 'node[type="root"]', style: {
'background-opacity': d ? 0.02 : 0.012, 'background-color': d ? '#7aa0d8' : '#8ea6c2',
'border-width': 2.2, 'border-style': 'solid', 'border-color': d ? '#476492' : '#9fb0c6',
'label': 'data(label)', 'text-valign': 'top', 'text-halign': 'center',
'font-size': 28, 'font-weight': 900, 'color': d ? '#cfe0ff' : '#33465f',
'text-margin-y': 10, 'events': 'no', 'z-index-compare': 'manual', 'z-index': 0
}},
{selector: 'node[type="roottitle"]', style: {
'width': 'data(w)', 'height': 20, 'shape': 'rectangle', 'background-opacity': 0, 'border-width': 0,
'label': 'data(label)', 'text-valign': 'center', 'text-halign': 'center', 'text-wrap': 'none',
'font-size': 24, 'font-weight': 900, 'color': d ? '#cfe0ff' : '#33465f', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 5
}},
{selector: 'node[type="nettitle"]', style: {
'width': 'data(w)', 'height': 20, 'shape': 'rectangle', 'background-opacity': 0, 'border-width': 0,
'label': 'data(label)', 'text-valign': 'center', 'text-halign': 'center', 'text-wrap': 'none',
'font-size': 20, 'font-weight': 900, 'color': d ? '#dbe9ff' : '#29425f', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 5
}},
{selector: 'node[type="wslabel"]', style: {
'width': 'data(w)', 'height': 16, 'shape': 'rectangle', 'background-opacity': 0, 'border-width': 0,
'label': 'data(label)', 'text-valign': 'center', 'text-halign': 'center', 'text-wrap': 'none',
'font-size': 15, 'font-weight': 900, 'color': d ? '#d7e6ff' : '#2f4560', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 5
}},
{selector: 'node[type="floorlabel"]', style: {
'width': 'data(w)', 'height': 16, 'shape': 'rectangle', 'background-opacity': 0, 'border-width': 0,
'label': 'data(label)', 'text-valign': 'center', 'text-halign': 'center', 'text-wrap': 'none',
'font-size': 11, 'font-weight': 800, 'color': d ? '#a9c1e3' : '#425a78', 'events': 'no',
'z-index-compare': 'manual', 'z-index': 5
}},
{selector: 'node[type="tile"]', style: {
'width': 'data(w)', 'height': 'data(h)', 'shape': 'round-rectangle',
'background-color': 'data(bg)', 'background-opacity': 0.97,
'border-width': 2.5, 'border-color': 'data(bd)',
'label': 'data(label)', 'color': 'data(fg)',
'font-size': 16, 'font-weight': 700, 'text-valign': 'center', 'text-halign': 'center',
'text-wrap': 'wrap', 'text-max-width': TILE_W - 26, 'line-height': 1.45,
'padding': '6px', 'overlay-opacity': 0, 'z-index-compare': 'manual', 'z-index': 20
}},
{selector: 'node[type="tile"].alarm', style: {'border-width': 5}},
{selector: 'node[type="tile"].core', style: {'border-width': 3.5}},
{selector: 'node[type="ghost"]', style: {
'width': 190, 'height': 40, 'shape': 'round-rectangle',
'background-color': d ? '#52667f' : '#c8d3e2', 'background-opacity': 0.55,
'border-width': 1.2, 'border-style': 'dashed', 'border-color': d ? '#7d93ad' : '#8fa3bc',
'label': 'data(label)', 'color': d ? '#dce8fa' : '#3b4f68',
'font-size': 11, 'font-weight': 600, 'text-wrap': 'wrap', 'text-max-width': 176,
'z-index-compare': 'manual', 'z-index': 15
}},
{selector: 'node[type="edgepoint"]', style: {
'width': 1, 'height': 1, 'opacity': 0, 'events': 'no'
}},
{selector: 'node[type="port"]', style: {
'width': 'data(size)', 'height': 'data(size)', 'shape': 'ellipse',
'background-color': 'data(fill)', 'background-opacity': 'data(fillOpacity)',
'border-width': 1.5, 'border-color': 'data(ring)', 'padding': '0px',
'label': '', 'overlay-opacity': 0, 'events': 'yes',
'z-index-compare': 'manual', 'z-index': 28
}},
{selector: 'node[type="term"]', style: {
'width': 7, 'height': 7, 'shape': 'ellipse', 'background-color': 'data(bg)',
'border-width': 1, 'border-color': d ? '#2a3648' : '#cfd8e3',
'label': 'data(label)', 'font-size': 9, 'font-weight': 700,
'color': d ? '#eaf1fb' : '#182c44',
'text-valign': 'bottom', 'text-halign': 'center', 'text-margin-y': 4,
'text-wrap': 'wrap', 'text-max-width': 160,
'text-background-color': d ? '#0d1b2a' : '#ffffff', 'text-background-opacity': 0.9,
'text-background-padding': '2px',
'z-index-compare': 'manual', 'z-index': 30
}},
{selector: 'edge[type="tilelink"]', style: {
'width': 'data(w)', 'line-color': 'data(color)', 'opacity': 0.55,
'curve-style': 'bezier', 'target-arrow-shape': 'none',
'z-index-compare': 'manual', 'z-index': 5
}},
{selector: 'edge[type="ghost"]', style: {
'width': 1.2, 'line-color': d ? '#6b809b' : '#a9b6c8', 'line-style': 'dashed', 'opacity': 0.7,
'curve-style': 'bezier', 'target-arrow-shape': 'none',
'z-index-compare': 'manual', 'z-index': 8
}},
{selector: 'edge[type="uplink"]', style: {
'width': 'data(w)', 'line-color': 'data(color)', 'line-style': 'data(ls)', 'opacity': 0.95,
'curve-style': 'bezier', 'target-arrow-shape': 'none',
'label': 'data(lbl)', 'font-size': 10, 'font-weight': 700,
'color': d ? '#dce8fa' : '#25405f',
'text-background-color': d ? '#0d1b2a' : '#ffffff', 'text-background-opacity': 0.88,
'text-background-padding': '2px', 'text-rotation': 'autorotate',
'z-index-compare': 'manual', 'z-index': 40
}},
{selector: 'edge', style: {
'width': 'data(w)', 'line-color': 'data(color)', 'line-style': 'data(ls)',
'curve-style': 'bezier', 'opacity': 0.92, 'target-arrow-shape': 'none',
'z-index-compare': 'manual', 'z-index': 12
}},
{selector: 'edge[type="link"]', style: {
'width': 'data(w)', 'line-color': 'data(color)', 'line-style': 'data(ls)',
'opacity': 0.62, 'curve-style': 'straight',
'source-endpoint': '0% 50%', 'target-endpoint': '0% 50%',
'target-arrow-shape': 'none', 'z-index-compare': 'manual', 'z-index': 1
}},
// Moving data-flow overlay. The base line keeps its speed colour; this
// thin dashed line runs on top and is animated downstream (core -> leaf).
{selector: 'edge[type="flow"]', style: {
'width': 'data(fw)', 'line-color': d ? '#EDFFFC' : '#0E4B46',
'line-style': 'dashed', 'line-dash-pattern': [4, 10], 'line-dash-offset': 0,
'opacity': d ? 0.68 : 0.52, 'curve-style': 'straight',
'source-endpoint': '0% 50%', 'target-endpoint': '0% 50%',
'target-arrow-shape': 'none', 'events': 'no', 'z-index-compare': 'manual', 'z-index': 3
}},
{selector: 'edge[type="term"]', style: {
'width': 0.7, 'line-color': d ? '#3b4a5e' : '#c5cfdb', 'opacity': 0.55,
'curve-style': 'bezier', 'z-index-compare': 'manual', 'z-index': 11
}},
// Latency is a secondary signal and is the only state that uses a
// coloured frame. Alarm/offline are filled red at the node level.
{selector: 'node.lat-warn', style: {'border-color': '#F39C12', 'border-width': 4, 'border-style': 'solid'}},
{selector: 'node.lat-bad', style: {'border-color': '#E74C3C', 'border-width': 6}},
{selector: 'node.alarm', style: {'color': '#ffffff'}},
{selector: 'node.offline', style: {'color': '#ffffff', 'opacity': 0.92}},
{selector: 'node.dim', style: {'opacity': 0.12}},
{selector: 'edge.dim', style: {'opacity': 0.08}},
{selector: 'edge.hl', style: {'width': 5, 'line-color': '#FFD54A', 'opacity': 1, 'z-index-compare': 'manual', 'z-index': 45}},
{selector: 'node.hl', style: {'border-color': '#ff0', 'border-width': 7, 'overlay-color': '#ff0', 'overlay-opacity': 0.25, 'overlay-padding': 6}},
{selector: 'node.pathhl', style: {'border-width': 5, 'border-color': '#FFD54A', 'overlay-color': '#FFD54A', 'overlay-opacity': 0.2, 'overlay-padding': 4}},
{selector: 'edge.pathhl', style: {'width': 5.5, 'line-color': '#FFD54A', 'opacity': 1}},
{selector: 'edge.detail', style: {'opacity': 0.72, 'curve-style': 'straight', 'source-endpoint': '0% 50%', 'target-endpoint': '0% 50%'}},
{selector: 'node[type="switch"]', style: {
'background-color': function (e) { return e.data('bg'); },
'text-max-width': 'data(tw)', 'text-wrap': 'none',
'text-halign': 'center', 'font-size': 10.5
}},
{selector: 'node[type="switch"].root', style: {'text-wrap': 'wrap'}}
];
}
/* ---------------- render ---------------- */
// One tall column chart cannot be squeezed into a wide window without
// wasting half the canvas. The initial view fits the chart WIDTH and
// anchors at the top (core switches first); the user can pan down or press
// "适应窗口" to see the entire graph. This keeps labels readable.
function initialView() {
if (!cy) return;
var bb = cy.elements().boundingBox();
if (!bb || !bb.w || !bb.h) return;
var zw = (cy.width() - 30) / bb.w;
var zh = (cy.height() - 30) / bb.h;
var tall = (bb.h * zw > cy.height() * 1.5);
var z = tall ? zw * 0.95 : Math.min(zw, zh);
cy.zoom({level: z});
if (tall) {
cy.pan({x: 15 - bb.x * z, y: 28 - bb.y * z});
} else {
cy.pan({x: (cy.width() - bb.w * z) / 2 - bb.x * z, y: (cy.height() - bb.h * z) / 2 - bb.y * z});
}
}
function applyElements(els, keepView) {
if (!cy) {
cy = cytoscape({
container: el('l2-cy'),
elements: els,
style: styleFor(dark),
layout: {name: 'preset', fit: false},
wheelSensitivity: 0.2,
minZoom: 0.02, maxZoom: 4
});
bindCy();
setTimeout(initialView, 0);
} else {
var z = cy.zoom(), p = cy.pan();
cy.elements().remove();
cy.add(els);
cy.style(styleFor(dark));
cy.layout({name: 'preset', fit: false}).run();
if (keepView) { cy.zoom(z); cy.pan(p); }
else { initialView(); }
}
startFlow();
}
// Data-flow animation. Each flow overlay has its own rate (link speed), so
// a 10G/20G link visibly moves faster than a 100M/1G link. This only
// changes the visual dash phase; no topology/state is touched.
var flowRaf = null, flowLast = 0;
function startFlow() {
if (flowRaf != null) return;
flowRaf = requestAnimationFrame(flowTick);
}
function flowTick(ts) {
if (!cy) { flowRaf = null; return; }
var dt = flowLast ? Math.min(80, ts - flowLast) : 16;
flowLast = ts;
if (!document.hidden) {
cy.batch(function () {
cy.edges('[type="flow"]').forEach(function (e) {
var rate = parseFloat(e.data('flowRate')) || 0.6;
var off = (e.scratch('flowOffset') || 0) - rate * dt / 16;
off = off % 14;
if (off < 0) off += 14;
e.scratch('flowOffset', off);
e.style('line-dash-offset', off);
});
});
}
flowRaf = requestAnimationFrame(flowTick);
}
function fitGroup(label) {
if (!cy || !label) return;
var eles = cy.nodes().filter(function (n) {
return n.data('blockGroup') === label || n.data('group') === label;
});
if (eles.length) cy.fit(eles, 70);
}
function render(snap) {
if (!snap || !snap.nodes) {
el('l2-cy').innerHTML = '' + t('l2.no_data', 'No data') + '
';
return;
}
lastSnap = snap;
renderFull(snap);
updateStats(snap);
buildLegend();
buildAlarms(snap);
buildOffline(snap);
buildTerminals(snap);
buildHistory();
}
function renderFull(snap) {
var L = computeFull(snap), els = [];
if (!L.placements.length) { applyElements([], false); return; }
lastRoleMap = L.roleMap || {};
var byId = {};
L.placements.forEach(function (p) { byId[p.node.id] = p; });
els.push({group: 'nodes', data: {id: '__root', type: 'root', label: '', w: L.root.w, h: L.root.h},
position: {x: L.root.w / 2, y: L.root.h / 2}, selectable: false, grabbable: false});
els.push({group: 'nodes', data: {id: '__roottitle', type: 'roottitle', label: CFG.root_label || 'COBCO', w: L.root.w, h: 20},
position: {x: L.root.w / 2, y: 22}, selectable: false, grabbable: false});
L.sections.forEach(function (sec, si) {
els.push({group: 'nodes', data: {
id: '__net_' + si, type: 'netframe', label: '', w: sec.w, h: sec.h, net: sec.key, bd: sec.color
}, position: {x: sec.x + sec.w / 2, y: sec.y + sec.h / 2}, selectable: false, grabbable: false});
els.push({group: 'nodes', data: {id: '__nettitle_' + si, type: 'nettitle', label: sec.label, w: sec.w, h: 20},
position: {x: sec.x + sec.w / 2, y: sec.y + 21}, selectable: false, grabbable: false});
});
L.frames.forEach(function (f) {
els.push({group: 'nodes', data: {
id: f.id, type: f.type, label: '', w: f.w, h: f.h, group: f.group || '', net: f.net, bd: f.color || netColor(f.net)
}, position: {x: f.x + f.w / 2, y: f.y + f.h / 2}, selectable: false, grabbable: false});
var tt = f.type === 'floorframe' ? 'floorlabel' : 'wslabel';
var ty = f.type === 'floorframe' ? 11 : 18;
els.push({group: 'nodes', data: {id: 'label_' + f.id, type: tt, label: f.label, w: f.w, h: 16},
position: {x: (f.labelX != null ? f.labelX : f.x + f.w / 2), y: f.y + ty}, selectable: false, grabbable: false});
});
L.placements.forEach(function (p) {
var n = p.node, cls = [];
var bg = p.role === 'core' ? TIER_BG.core : (p.role === 'main' ? '#2E75B6' : (p.role === 'dist' ? TIER_BG.dist : TIER_BG.access));
var bd = bg;
// Alarm and offline are node-level states: fill the whole node red.
// Only latency > LATB is allowed to draw a red frame; 3-5 ms uses an
// orange frame. Alarm must never be represented by a red border alone.
if (n.alarms && n.alarms.length) { cls.push('alarm'); bg = '#E45959'; bd = '#E45959'; }
if (n.offline || n.oper === 'down') { cls.push('offline'); bg = '#C0392B'; bd = '#C0392B'; }
// Alarm/offline already owns the whole fill; do not put a latency frame
// around a red alarm node (that would read as a contradictory state).
if (!cls.length && n.latency_ms != null) {
if (+n.latency_ms > LATB) cls.push('lat-bad');
else if (+n.latency_ms > LATW) cls.push('lat-warn');
}
if (p.role === 'core') cls.push('root');
els.push({group: 'nodes', data: {
id: n.id, type: 'switch', name: n.name, ip: n.ip, tier: n.tier, depth: n.depth, hostid: n.hostid, oper: n.oper,
offline: !!(n.offline || n.oper === 'down'), last_online: n.last_online,
maxsev: n.maxsev, alarms: n.alarms || [], term_online: n.term_online, term_offline: 0, latency_ms: n.latency_ms,
poe: !!n.poe,
label: switchLabel(n, p.role, p.net), tw: p.w - 12, bg: bg, bd: bd, w: p.w, h: p.h,
group: p.group + ' · ' + netLabel(p.net), blockGroup: p.group, net: p.net, role: p.role
}, position: {x: p.x, y: p.y}, classes: cls.join(' ')});
});
// Every protocol-discovered link = one straight segment. Cytoscape's
// percentage endpoints are unreliable with preset labels, so use two
// invisible anchor nodes placed exactly on the label left-edge midpoint.
// The labels paint on top, so a parent line starts under the parent label
// and ends exactly at the child's left edge.
pathParent = buildParents(snap, L);
(snap.edges || []).forEach(function (e, i) {
var ps = byId[e.source], pt = byId[e.target];
if (!ps || !pt) return;
var sp = 'sp_' + i, tp = 'tp_' + i;
els.push({group: 'nodes', data: {id: sp, type: 'edgepoint'}, position: {x: ps.x - ps.w / 2, y: ps.y}, selectable: false, grabbable: false});
els.push({group: 'nodes', data: {id: tp, type: 'edgepoint'}, position: {x: pt.x - pt.w / 2, y: pt.y}, selectable: false, grabbable: false});
var col = speedColor(e.speed, e.state);
els.push({group: 'edges', data: {
id: 'e_' + i, type: 'link', source: sp, target: tp, p: e.source, c: e.target,
speed: e.speed, state: e.state, a_port: e.a_port, b_port: e.b_port,
color: col, ls: (e.state && e.state !== 'up') ? 'dashed' : 'solid', w: Math.min(4, speedWidth(e.speed))
}});
if (e.state === 'up') {
var from = e.source, to = e.target;
var sd = parseInt(ps.node && ps.node.depth, 10), td = parseInt(pt.node && pt.node.depth, 10);
if (td < sd || (td === sd && pt.y < ps.y)) { from = e.target; to = e.source; }
var fsp = (from === e.source) ? sp : tp, ftp = (to === e.source) ? sp : tp;
els.push({group: 'edges', data: {
id: 'f_' + i, type: 'flow', source: fsp, target: ftp, p: e.source, c: e.target,
speed: e.speed, state: e.state, a_port: e.a_port, b_port: e.b_port,
flowRate: flowRate(e.speed), fw: Math.max(0.9, Math.min(1.5, speedWidth(e.speed) * 0.35))
}});
}
});
if (showTerm) addTerminals(L, byId, els);
applyElements(els, true);
if (focusGroupLabel) {
setTimeout(function () { fitGroup(focusGroupLabel); }, 80);
focusGroupLabel = null;
}
}
function portIndexFromName(name) {
var s = String(name || '').toUpperCase();
if (/^(ETH-TRUNK|VLANIF|NULL|INLOOPBACK|STACK-PORT|LOOPBACK|TUNNEL|METH|VBDIF)/.test(s)) return 0;
var m = s.match(/(\d+)(?!.*\d)/);
var n = m ? parseInt(m[1], 10) : 0;
return n > 0 && n <= 1024 ? n : 0;
}
function addTerminals(L, byId, els) {
termPortByMac = {};
var bySw = {}, termBySwPort = {};
function pkey(s) { return String(s || '').toUpperCase(); }
((lastSnap && lastSnap.terminals) || []).forEach(function (tm) {
if (!byId[tm.sw_ip]) return;
if (!terminalOnline(tm)) return;
(bySw[tm.sw_ip] = bySw[tm.sw_ip] || []).push(tm);
if (tm.port) termBySwPort[tm.sw_ip + '|' + pkey(tm.port)] = tm;
});
Object.keys(byId).forEach(function (sw) {
var p = byId[sw]; if (!p || p.role === 'core' || p.role === 'main') return;
var terms = bySw[sw] || [];
var rawPorts = (p.node && p.node.ports) || [];
var ports = rawPorts.slice();
if (!rawPorts.length) {
// The switch did not report a front-panel inventory (for example an
// old history snapshot). Fall back to a generic 24-port access panel
// laid out as two rows of 12. Terminals are placed into their real
// suffix position when the port name allows it; the remaining ports
// stay visible as unused hollow circles.
var used = {}, extra = [];
terms.forEach(function (tm) {
var idx = portIndexFromName(tm.port);
if (idx) used[idx] = tm; else extra.push(tm);
});
var maxIdx = 24;
Object.keys(used).forEach(function (k) { maxIdx = Math.max(maxIdx, parseInt(k, 10) || 0); });
ports = [];
for (var pi = 1; pi <= maxIdx; pi++) {
var ptm = used[pi];
var pspeed = ptm ? (parseFloat(ptm.speed) || 0) : 0;
ports.push({
name: ptm ? (ptm.port || ('GE1/0/' + pi)) : ('GE1/0/' + pi),
order: pi, speed: pspeed,
max: ptm ? portMaxFromName(ptm.port, pspeed) : 1000,
up: !!ptm, synthetic: true
});
}
extra.forEach(function (tm, k) {
var espeed = parseFloat(tm.speed) || 0;
ports.push({
name: tm.port || ('GE1/0/' + (maxIdx + k + 1)), order: 1000 + k,
speed: espeed, max: portMaxFromName(tm.port, espeed),
up: true, synthetic: true
});
});
}
var known = {};
ports.forEach(function (pt) { known[pkey(pt.name)] = true; });
// A terminal may sit on a logical interface (for example an Eth-Trunk)
// whose physical ports are not individually listed. Keep it visible as
// an extra port-like circle rather than silently dropping it.
terms.forEach(function (tm) {
if (tm.port && !known[pkey(tm.port)]) {
ports.push({name: tm.port, order: 9999, speed: parseFloat(tm.speed) || 0,
max: portMaxFromName(tm.port, parseFloat(tm.speed) || 0), up: true, synthetic: true});
known[pkey(tm.port)] = true;
}
});
var rows = portRows(ports), maxCols = 0;
rows.forEach(function (r) { if (r.length > maxCols) maxCols = r.length; });
var step = 12.5;
var startX = p.x - ((maxCols - 1) * step) / 2;
var pidx = 0;
rows.forEach(function (row, ri) {
row.forEach(function (port, ci) {
var tm = termBySwPort[sw + '|' + pkey(port.name)] || null;
// The IF-MIB port speed is the negotiated physical link rate, so it
// is the primary source for the filled centre. Terminal records are
// only a fallback when the switch did not report a speed.
var actual = parseFloat(port.speed) || 0;
if (!actual) actual = parseFloat(tm && tm.speed) || 0;
var max = parseFloat(port.max) || portMaxFromName(port.name, actual);
var filled = !!port.up && actual > 0;
var pid = 'p_' + sw + '_' + (port.order || pidx) + '_' + pidx;
pidx++;
els.push({group: 'nodes', data: {
id: pid, type: 'port', name: port.name, port: port.name,
sw_name: (p.node && p.node.name) || '', sw_ip: sw,
max: max, speed: actual, up: !!port.up, filled: filled ? 1 : 0,
fill: filled ? portColor(actual) : '#000000', fillOpacity: filled ? 1 : 0,
ring: portColor(max), size: 9,
term: tm || null, termText: tm ? terminalText(tm) : ''
}, position: {x: startX + ci * step, y: p.y + 18 + ri * 14}, selectable: false});
if (tm) termPortByMac[tm.mac] = pid;
});
});
});
}
function renderOverview(snap) {
var O = computeOverview(snap), els = [], idx = {};
var nb = el('l2-net-tabs'); if (nb) { nb.style.display = 'none'; nb.innerHTML = ''; }
if (O.root) {
els.push({group: 'nodes', data: {id: '__root', type: 'root', label: CFG.root_label || 'COBCO', w: O.root.w, h: O.root.h},
position: {x: O.root.cx, y: O.root.cy}, selectable: false, grabbable: false});
}
O.tiles.forEach(function (tile, i) {
var s = O.stats[tile.label] || {nodes: [], alarms: 0, offline: 0, maxsev: -1};
idx[tile.label] = 'grp_' + i;
var isCore = /core/i.test(tile.label) || /data\s*center/i.test(tile.label);
var bd = s.alarms ? '#E45959' : (dark ? '#41597c' : '#b9c8dc');
var bg = isCore ? TIER_BG.core : (dark ? '#22344e' : '#eef3fb');
var fg = isCore ? '#ffffff' : (dark ? '#dfe9fb' : '#1e3352');
var lbl = tile.label + '\n' + s.nodes.length + ' ' + t('l2.unit_sw', 'sw') +
(s.up ? ' ↑ ' + s.up : '') + (s.alarms ? ' ⚠ ' + s.alarms : '') + (s.offline ? ' ◌ ' + s.offline : '');
var cls = [];
if (s.alarms) cls.push('alarm');
if (isCore) cls.push('core');
els.push({group: 'nodes', data: {
id: idx[tile.label], type: 'tile', group: tile.label,
n: s.nodes.length, alarms: s.alarms, offline: s.offline, maxsev: s.maxsev, up: s.up,
label: lbl, bg: bg, fg: fg, bd: bd, w: TILE_W, h: TILE_H
}, position: {x: tile.x + tile.w / 2, y: tile.y + tile.h / 2}, classes: cls.join(' ')});
});
applyElements(els);
}
function renderNetTabs(D) {
var box = el('l2-net-tabs');
if (!box) return;
box.innerHTML = '';
if (!D.nets || D.nets.length < 2) { box.style.display = 'none'; return; }
box.style.display = 'flex';
D.nets.forEach(function (n) {
var b = document.createElement('button');
b.type = 'button';
b.className = 'l2-net-tab' + (n.key === D.activeNet ? ' active' : '');
b.textContent = networkLabel(n.key) + ' · ' + n.count + ' ' + t('l2.unit_sw', 'sw');
b.addEventListener('click', function () { detailNet = n.key; render(lastSnap); });
box.appendChild(b);
});
}
function renderDetail(snap) {
var D = computeDetail(snap, viewGroup), els = [];
renderNetTabs(D);
function frameEl(id, type, fr) {
els.push({group: 'nodes', data: {id: id, type: type, label: fr.label, w: fr.w, h: fr.h},
position: {x: fr.x + fr.w / 2, y: fr.y + fr.h / 2}, selectable: false, grabbable: false});
}
frameEl('__ws', 'wsframe', {x: D.frames.workshop.x, y: 36, w: D.frames.workshop.w, h: D.frames.workshop.h + 36, label: D.frames.workshop.label});
if (D.frames.dist) frameEl('__dist', 'floorframe', D.frames.dist);
D.floors.forEach(function (f, i) { frameEl('__floor_' + i, 'floorframe', f.frame); });
(D.ghosts || []).forEach(function (g) {
var nm = (g.node && g.node.name) || g.id;
var ip = (g.node && g.node.ip) || '';
var tail = String(nm).split(/[-\s]+/).filter(Boolean).slice(-1)[0] || '';
var short = (tail ? tail + ' · ' : '') + ip;
els.push({group: 'nodes', data: {id: g.id, type: 'ghost', label: short}, position: {x: g.x, y: g.y}, selectable: false, grabbable: false});
els.push({group: 'edges', data: {
id: 'ghe_' + g.id, type: 'uplink', source: g.id, target: g.to,
speed: g.speed, state: g.state, lbl: speedText(g.speed),
color: speedColor(g.speed, g.state), ls: (g.state && g.state !== 'up') ? 'dashed' : 'solid',
w: Math.max(2.6, speedWidth(g.speed))
}});
});
var switchIds = {};
D.nodes.forEach(function (n, ni) {
switchIds[n.id] = true;
var p = D.pos[n.id] || {x: 0, y: 0};
var tier = n.tier || 'access';
var tkey = (tier.indexOf('dist') === 0) ? 'dist' : (tier.indexOf('core') === 0 ? 'core' : 'access');
var isRoot = D.dists && D.dists.length && n.id === D.dists[0].id;
var cls = [];
var bd = (dark ? TIER_BG_DARK[tkey] : TIER_BG[tkey]) || '#555';
var bg = (dark ? TIER_BG_DARK[tkey] : TIER_BG[tkey]) || '#777';
if (!isRoot && ni % 2 === 1) bg = dark ? '#4f8a3a' : '#6ca75a';
if (n.alarms && n.alarms.length) {
cls.push('alarm');
bg = '#E45959';
bd = '#E45959';
}
if (n.offline || n.oper === 'down') {
cls.push('offline');
bg = '#C0392B';
bd = '#C0392B';
}
if (!cls.length && n.latency_ms != null) {
if (+n.latency_ms > LATB) cls.push('lat-bad');
else if (+n.latency_ms > LATW) cls.push('lat-warn');
}
if (isRoot) cls.push('root');
els.push({group: 'nodes', data: {
id: n.id, type: 'switch', name: n.name, ip: n.ip, tier: tier, depth: n.depth,
hostid: n.hostid, oper: n.oper, maxsev: n.maxsev, alarms: n.alarms || [],
term_online: n.term_online, term_offline: n.term_offline, latency_ms: n.latency_ms,
poe: !!n.poe,
label: isRoot ? rootLabel(n) : rowLabel(n), tw: isRoot ? 150 : 360,
bg: bg, bd: bd,
w: isRoot ? 170 : 380, h: isRoot ? 50 : 24, group: viewGroup
}, position: p, classes: cls.join(' ')});
});
D.internal.forEach(function (e, i) {
var root = D.dists && D.dists[0];
if (root && (e.source === root.id || e.target === root.id)) {
var childId = e.source === root.id ? e.target : e.source;
var pp = D.pos[root.id], cp = D.pos[childId];
if (pp && cp) {
var sp = 'sp_' + i, tp = 'tp_' + i;
// Exact left-edge midpoints, straight line. The parent label is
// allowed to cover the line where it exits the parent.
els.push({group: 'nodes', data: {id: sp, type: 'edgepoint'}, position: {x: pp.x - 86, y: pp.y}, selectable: false, grabbable: false});
els.push({group: 'nodes', data: {id: tp, type: 'edgepoint'}, position: {x: cp.x - 191, y: cp.y}, selectable: false, grabbable: false});
els.push({group: 'edges', data: {
id: 'e_' + i, type: 'detail', source: sp, target: tp, p: root.id, c: childId,
speed: e.speed, state: e.state, a_port: e.a_port, b_port: e.b_port,
color: speedColor(e.speed, e.state), ls: (e.state && e.state !== 'up') ? 'dashed' : 'solid',
w: Math.min(2.4, speedWidth(e.speed))
}, classes: 'detail'});
if (e.state === 'up') {
els.push({group: 'edges', data: {
id: 'f_' + i, type: 'flow', source: sp, target: tp, p: root.id, c: childId,
speed: e.speed, state: e.state, a_port: e.a_port, b_port: e.b_port,
flowRate: flowRate(e.speed), fw: Math.max(0.9, Math.min(1.4, speedWidth(e.speed) * 0.35))
}});
}
return;
}
}
els.push({group: 'edges', data: {
id: 'e_' + i, source: e.source, target: e.target, speed: e.speed, state: e.state,
a_port: e.a_port, b_port: e.b_port,
color: speedColor(e.speed, e.state), ls: (e.state && e.state !== 'up') ? 'dashed' : 'solid',
w: Math.min(2.4, speedWidth(e.speed))
}, classes: 'detail'});
if (e.state === 'up') {
var from = e.source, to = e.target;
var ap = D.pos[e.source], bp = D.pos[e.target], po = D.parentOf || {};
if (po[e.source] === e.target) { from = e.target; to = e.source; }
else if (po[e.target] === e.source) { from = e.source; to = e.target; }
else if (ap && bp && bp.y < ap.y) { from = e.target; to = e.source; }
els.push({group: 'edges', data: {
id: 'f_' + i, type: 'flow', source: from, target: to, p: e.source, c: e.target,
speed: e.speed, state: e.state, a_port: e.a_port, b_port: e.b_port,
flowRate: flowRate(e.speed), fw: Math.max(0.9, Math.min(1.4, speedWidth(e.speed) * 0.35))
}});
}
});
if (showTerm) {
var bySw = {};
(snap.terminals || []).forEach(function (tm) {
if (!switchIds[tm.sw_ip]) return;
if (!terminalOnline(tm)) return;
(bySw[tm.sw_ip] = bySw[tm.sw_ip] || []).push(tm);
});
Object.keys(bySw).forEach(function (sw) {
var base = D.pos[sw]; if (!base) return;
bySw[sw].sort(function (a, b) { return (a.online === b.online) ? 0 : (a.online ? -1 : 1); });
bySw[sw].forEach(function (tm, k) {
var col = k % 9, row = Math.floor(k / 9);
var x = base.x - 54 + col * 13;
var y = base.y + NODE_H / 2 + 16 + row * 13;
els.push({group: 'nodes', data: {id: 't_' + tm.mac, type: 'term', bg: '#2ECC71', mac: tm.mac, ip: tm.ip, online: true},
position: {x: x, y: y}, selectable: false});
els.push({group: 'edges', data: {id: 'te_' + tm.mac, type: 'term', source: sw, target: 't_' + tm.mac}});
});
});
}
pathParent = D.parentOf || {};
lockedPath = null;
applyElements(els);
}
/* ---------------- side panels & stats ---------------- */
function updateStats(snap) {
var s = snap.stats || {};
var txt = '● ' + (s.switches || 0) + ' | ⇄ ' + (s.edges || 0) + ' | ⚡ ' + (s.poe_switches || 0) + ' ' + t('l2.poe', 'PoE') + ' | ' +
(s.term_total || 0) + ' ' + t('l2.terminals', 'terminals') + ' | ' +
(s.switches_offline || 0) + ' ' + t('l2.offline_short', 'offline SW') + ' | ⚠ ' + (s.alarms || 0);
var up = snap.generated_iso ? (' · ' + t('l2.updated', 'Updated') + ' ' + snap.generated_iso) : '';
el('l2-stats').textContent = txt + up;
}
function buildLegend() {
var h = '';
function sw(c, label, dashed) { return '' + label + ''; }
h += '' + t('l2.legend_speed', 'Link speed') + '
';
h += '' + sw(colors['100'], '100M') + sw(colors['1000'], '1G') +
sw(colors['2500'], '2.5G') + sw(colors['10000'], '10G') + sw(colors['20000'], '20G+') +
sw(colors.unknown, t('lbl.color_unknown', 'Unknown')) + sw(colors.down, t('lbl.color_down', 'Down'), true) + '
';
h += '' + t('l2.legend_tier', 'Tier') + '
';
h += '' + t('l2.core', 'Core') +
'' + t('l2.main', 'Main switch') +
'' + t('l2.dist', 'Distribution') +
'' + t('l2.access', 'Access') + '
';
h += '' + t('l2.legend_lat', 'Latency') + '
';
h += '>' + LATW + 'ms' +
'>' + LATB + 'ms
';
h += '' + t('l2.alarms', 'Alarms') + '
';
h += '' + t('l2.term_on', 'Online') +
'' + t('l2.offline', 'Offline switch') + '
';
h += '' + t('l2.click_hint', 'Hover a switch to highlight its full upstream path') + '
';
el('l2-legend').innerHTML = h;
}
function buildAlarms(snap) {
var items = [];
(snap.nodes || []).forEach(function (n) {
if (n.maxsev != null && n.maxsev >= 0 && n.alarms && n.alarms.length) {
n.alarms.forEach(function (a) {
items.push({sev: n.maxsev, title: (a.name || a.description || ''), host: n.name, ip: n.ip, id: n.id, hostid: n.hostid});
});
}
});
el('l2-alarm-count').textContent = items.length;
if (!items.length) { el('l2-alarm-list').innerHTML = '' + t('l2.alarm_empty', 'No active alarms.') + '
'; return; }
items.sort(function (a, b) { return b.sev - a.sev; });
var h = '';
items.forEach(function (it) {
var col = SEV_COLORS[Math.max(0, Math.min(5, it.sev))] || '#999';
h += '' +
'
' +
'
' + esc(it.title) + '
' +
'
' + esc(it.host || '') + (it.ip ? ' · ' + esc(it.ip) : '') + '
' + t('l2.offline_empty', 'No offline switches.') + '
'; return; }
off.sort(function (a, b) {
var ra = roleOf(a), rb = roleOf(b);
if (ra !== rb) return ra === 'dist' ? -1 : 1;
return String(a.name || '').localeCompare(String(b.name || ''));
});
var h = '';
off.forEach(function (n) {
var role = roleOf(n);
var roleTxt = role === 'dist' ? t('l2.dist', 'Distribution') : t('l2.access', 'Access');
h += '' +
'
' +
'
' + esc(poePrefix(n) + (n.name || n.ip)) + '
' +
'
' + esc(roleTxt) + ' · ' + esc(n.ip || '') +
' · ' + t('l2.last_online', 'last online') + ': ' + esc(fmtTs(n.last_online)) + '
' + t('l2.show_term', 'Show terminals') + '
';
return;
}
if (!list.length) {
box.innerHTML = '' + t('l2.no_data', 'No data') + '
';
return;
}
list.sort(function (a, b) {
var x = String(a.sw_name || a.sw_ip || '').localeCompare(String(b.sw_name || b.sw_ip || ''));
return x || String(a.mac).localeCompare(String(b.mac));
});
var h = '';
list.forEach(function (tm) {
h += '' +
'
' +
'
' + esc(tm.mac) + '
' +
'
' + esc(speedText(tm.speed)) + ' · ' +
esc(tm.sw_name || tm.sw_ip || '') + ' · ' + esc(tm.port || '') + '
' +
'
' + t('l2.history_live', 'Live / latest') + '
' +
'
' + t('l2.history_live_hint', 'Newest snapshot, auto refresh') + '
' + t('l2.history_empty', 'No history snapshots yet.') + '
';
} else {
list.forEach(function (it) {
var st = it.stats || {};
var ts = String(it.ts || '');
var sub = (st.switches != null ? st.switches + ' ' + t('l2.unit_sw', 'sw') : '') +
(st.term_total != null ? ' · ' + st.term_total + ' ' + t('l2.terminals', 'terminals') : '') +
(st.switches_offline ? ' · ' + st.switches_offline + ' ' + t('l2.offline_short', 'offline SW') : '');
h += '' +
'
' + esc(it.captured_at || fmtTs(it.ts)) + '
' +
'
' + esc(sub) + '
' + esc(d.ip) + ' · ' + esc(d.group || '') + '
' +
'Tier: ' + esc(d.tier) + ' · ' + stat + '
' +
'Latency: ' + lat + '
' +
'Terminals: ' + (d.term_online || 0) + '
' +
'Alarm: ' + sev;
if (d.offline || d.oper === 'down') html += '
' + esc(t('l2.last_online', 'last online')) + ': ' + esc(fmtTs(d.last_online));
if (arr.length) html += '
' + arr.map(function (a) { return esc(a.name || a.description || ''); }).join('
');
showTip(e, html);
});
cy.on('mouseout', 'node[type="switch"]', function () {
if (!lockedPath) clearPath();
hideTip();
});
cy.on('mouseover', 'edge:not([type="term"])', function (e) {
var d = e.target.data();
var sp = (parseFloat(d.speed) || 0) >= 1000 ? ((parseFloat(d.speed) / 1000) + 'G') : (d.speed + 'M');
showTip(e, 'Link ' + esc(d.a_port || '') + ' ↔ ' + esc(d.b_port || '') + '
' + sp + ' · ' + esc(d.state || ''));
});
cy.on('mouseout', 'edge', hideTip);
cy.on('mouseover', 'node[type="term"]', function (e) {
var d = e.target.data();
e.target.data('label', d.termText || '');
showTip(e, '' + esc(t('l2.term_title', 'Terminal')) + ' ' + esc(d.mac || '') + '
' +
esc(t('l2.term_mac', 'MAC address')) + ': ' + esc(d.mac || '') + '
' +
esc(t('l2.term_ip', 'IP address')) + ': ' + esc(d.ip || '—') + '
' +
esc(t('l2.term_rate', 'Link rate')) + ': ' + esc(speedText(d.speed)) + '
' +
esc(t('l2.term_switch', 'Switch')) + ': ' + esc(d.sw_name || '—') + '
' +
esc(t('l2.term_port', 'Port')) + ': ' + esc(d.port || '—'));
});
cy.on('mouseout', 'node[type="term"]', function (e) {
e.target.data('label', '');
hideTip();
});
cy.on('mouseover', 'node[type="port"]', function (e) {
var d = e.target.data();
var html = '' + esc(d.name || '') + '
' +
esc(t('l2.term_switch', 'Switch')) + ': ' + esc(d.sw_name || d.sw_ip || '') + '
' +
esc(t('l2.term_rate', 'Link rate')) + ': ' + (d.filled ? esc(speedText(d.speed)) : '—') + '
' +
'Port max: ' + esc(speedText(d.max));
if (d.term) {
html += '
' + esc(t('l2.term_title', 'Terminal')) + '
' +
esc(t('l2.term_mac', 'MAC address')) + ': ' + esc(d.term.mac || '') + '
' +
esc(t('l2.term_ip', 'IP address')) + ': ' + esc(d.term.ip || '—');
}
showTip(e, html);
});
cy.on('mouseout', 'node[type="port"]', hideTip);
cy.on('tap', 'node[type="switch"]', function (e) {
lockedPath = e.target.id();
highlightPath(lockedPath);
});
cy.on('tap', 'node[type="wsframe"]', function (e) {
cy.fit(e.target, 60);
});
cy.on('tap', function (e) {
if (e.target === cy) clearPath();
});
cy.on('dbltap', 'node[type="switch"]', function (e) {
var hid = e.target.data('hostid');
if (hid) window.open(META.zabbixHostUrl.replace('__HOSTID__', hid), '_blank');
});
}
var SEV_NAMES = ['未分类','信息','警告','一般严重','严重','灾难'];
function showTip(e, html) {
var tip = el('l2-tip');
tip.innerHTML = html;
tip.style.display = 'block';
var p = e.renderedPosition || {x: 0, y: 0};
var box = el('l2-cy').getBoundingClientRect();
var x = box.left + p.x + 16, y = box.top + p.y + 16;
tip.style.left = x + 'px'; tip.style.top = y + 'px';
}
function hideTip() { el('l2-tip').style.display = 'none'; }
/* ---------------- search ---------------- */
function buildIndex(snap) {
var idx = [];
(snap.nodes || []).forEach(function (n) { idx.push({id: n.id, label: poePrefix(n) + n.name, sub: n.ip, kind: 'sw'}); });
(snap.terminals || []).forEach(function (tm) {
if (!terminalOnline(tm)) return;
idx.push({id: 't_' + tm.mac, label: tm.mac, sub: (tm.ip || '') + ' · ' + speedText(tm.speed) + ' · ' + (tm.sw_name || ''), kind: 'term', mac: tm.mac});
});
return idx;
}
var INDEX = [];
function doSearch(q) {
var box = el('l2-sug');
q = (q || '').trim().toLowerCase();
if (!q) { box.style.display = 'none'; box.innerHTML = ''; return; }
var hits = [];
var qn = q.replace(/[^a-z0-9]/g, '');
for (var i = 0; i < INDEX.length && hits.length < 14; i++) {
var it = INDEX[i];
var hay = ((it.label || '') + ' ' + (it.sub || '')).toLowerCase();
var hayN = hay.replace(/[^a-z0-9]/g, '');
if (hay.indexOf(q) >= 0 || (qn && hayN.indexOf(qn) >= 0)) hits.push(it);
}
if (!hits.length) { box.innerHTML = '—
'; box.style.display = 'block'; return; }
box.innerHTML = hits.map(function (h) {
return '' + (h.kind === 'sw' ? 'SW' : 'PC') + '' +
'' + esc(h.label) + '' + esc(h.sub || '') + '
';
}).join('');
box.style.display = 'block';
box.querySelectorAll('.sug-row').forEach(function (r) {
r.addEventListener('click', function () {
var id = r.getAttribute('data-id');
revealById(id);
box.style.display = 'none';
});
});
}
/* ---------------- toolbar wiring ---------------- */
function isZabbixDark() {
var html = document.documentElement;
var cs = String(html.getAttribute('color-scheme') || '').toLowerCase();
if (cs === 'dark') return true;
if (cs === 'light') return false;
var body = document.body;
var theme = [
html.getAttribute('theme'), html.getAttribute('data-theme'), html.className,
body ? body.getAttribute('theme') : '', body ? body.getAttribute('data-theme') : '',
body ? body.className : ''
].join(' ');
return /dark/i.test(theme);
}
function applyTheme() {
var nd = isZabbixDark();
var changed = nd !== dark;
dark = nd;
var wrap = el('l2-wrap');
if (wrap) wrap.classList.toggle('l2-dark', dark);
if (changed && cy) cy.style(styleFor(dark));
}
function fitViewport() {
var wrap = el('l2-wrap');
if (!wrap) return;
var top = Math.max(0, wrap.getBoundingClientRect().top);
var h = Math.max(520, window.innerHeight - top - 8);
wrap.style.height = h + 'px';
if (cy) cy.resize();
}
function setupControls() {
applyTheme();
if (window.MutationObserver) {
var mo = new MutationObserver(applyTheme);
mo.observe(document.documentElement, {attributes: true, attributeFilter: ['theme', 'data-theme', 'color-scheme', 'class']});
if (document.body) {
mo.observe(document.body, {attributes: true, attributeFilter: ['theme', 'data-theme', 'color-scheme', 'class']});
}
}
var back = el('l2-back');
if (back) back.style.display = 'none';
el('l2-showterm').addEventListener('change', function () { showTerm = el('l2-showterm').checked; render(lastSnap); });
el('l2-zin').addEventListener('click', function () { if (cy) cy.zoom({level: cy.zoom() * 1.25, renderedPosition: {x: cy.width() / 2, y: cy.height() / 2}}); });
el('l2-zout').addEventListener('click', function () { if (cy) cy.zoom({level: cy.zoom() / 1.25, renderedPosition: {x: cy.width() / 2, y: cy.height() / 2}}); });
el('l2-fit').addEventListener('click', function () { if (cy) cy.fit(cy.elements(), 50); });
if (el('l2-export')) el('l2-export').addEventListener('click', exportPng);
el('l2-refresh-btn').addEventListener('click', function () { reload(true); });
window.addEventListener('resize', fitViewport);
var s = el('l2-search');
s.addEventListener('input', function () { doSearch(s.value); });
document.addEventListener('click', function (ev) {
if (!ev.target.closest('.l2-search-wrap')) el('l2-sug').style.display = 'none';
});
el('l2-ts').addEventListener('change', function () {
var v = el('l2-ts').value;
var u = '/zabbix.php?action=l2.topology.view';
if (v) u += '&ts=' + encodeURIComponent(v);
window.location = u;
});
el('l2-pause').addEventListener('click', function () {
paused = !paused;
el('l2-pause').classList.toggle('on', paused);
el('l2-pause').textContent = paused ? '▶' : '❚❚';
el('l2-pause').title = paused ? t('l2.resume', 'Resume') : t('l2.pause', 'Pause');
});
}
function reload(manual) {
if (!META.isLive) return;
fetch(META.snapshotUrl + '?t=' + Date.now(), {cache: 'no-store'})
.then(function (r) { return r.json(); })
.then(function (j) { if (j && j.nodes) { SNAP = j; INDEX = buildIndex(j); render(j); } })
.catch(function () {})
.then(function () { if (manual) resetCountdown(); });
}
function resetCountdown() { countdown = META.refreshSeconds || 300; }
function startTimer() {
if (!META.isLive) return;
resetCountdown();
timer = setInterval(function () {
if (paused) { el('l2-countdown').textContent = '⏸'; return; }
countdown--;
if (countdown <= 0) { countdown = META.refreshSeconds || 300; reload(false); }
var m = Math.floor(countdown / 60), s = countdown % 60;
el('l2-countdown').textContent = '↻ ' + m + ':' + (s < 10 ? '0' + s : s);
}, 1000);
}
/* ---------------- boot ---------------- */
function boot() {
setupControls();
fitViewport();
try {
var qs = new URLSearchParams(window.location.search);
var qg = qs.get('g');
if (qg) focusGroupLabel = qg;
} catch (e) {}
if (!SNAP || !SNAP.nodes) {
el('l2-cy').innerHTML = '' + t('l2.no_data', 'No data') + '
';
} else {
INDEX = buildIndex(SNAP);
render(SNAP);
}
setTimeout(fitViewport, 60);
if (META.isLive) startTimer();
else { el('l2-pause').disabled = true; el('l2-countdown').textContent = t('l2.snapshot', 'Snapshot'); }
}
if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', boot);
else boot();
})();