blob: bc3cc6d0376c14e67d5fdf6c36852d68a9bd8f78 [file] [log] [blame]
/*global d3, document∆*/
d3.selection.prototype.moveToFront = function() {
return this.each(function(){
this.parentNode.appendChild(this);
});
};
var line = d3.svg.line()
.x(function(d) {
return d.x;
})
.y(function(d) {
return d.y;
});
var model;
var svg;
var updateTopology;
var pendingLinks = {};
var selectedFlows = [];
var pendingTimeout = 30000;
var colors = [
'color1',
'color2',
'color3',
'color4',
'color7',
'color8',
'color9',
// 'color11',
'color12'
];
colors.reverse();
var controllerColorMap = {};
function setPending(selection) {
selection.classed('pending', false);
setTimeout(function () {
selection.classed('pending', true);
})
}
function createTopologyView() {
window.addEventListener('resize', function () {
// this is too slow. instead detect first resize event and hide the paths that have explicit matrix applied
// either that or is it possible to position the paths so they get the automatic transform as well?
// updateTopology();
});
var svg = d3.select('#svg-container').append('svg:svg');
svg.append("svg:defs").append("svg:marker")
.attr("id", "arrow")
.attr("viewBox", "0 -5 10 10")
.attr("refX", -1)
.attr("markerWidth", 5)
.attr("markerHeight", 5)
.attr("orient", "auto")
.append("svg:path")
.attr("d", "M0,-3L10,0L0,3");
return svg.append('svg:svg').attr('id', 'viewBox').attr('viewBox', '0 0 1000 1000').attr('preserveAspectRatio', 'none').
attr('id', 'viewbox').append('svg:g').attr('transform', 'translate(500 500)');
}
function updateSelectedFlowsTopology() {
// DRAW THE FLOWS
var topologyFlows = [];
selectedFlows.forEach(function (flow) {
if (flow) {
topologyFlows.push(flow);
}
});
var flows = d3.select('svg').selectAll('.flow').data(topologyFlows);
flows.enter().append("svg:path").attr('class', 'flow')
.attr('stroke-dasharray', '4, 10')
.append('svg:animate')
.attr('attributeName', 'stroke-dashoffset')
.attr('attributeType', 'xml')
.attr('from', '500')
.attr('to', '-500')
.attr('dur', '20s')
.attr('repeatCount', 'indefinite');
flows.exit().remove();
flows.attr('d', function (d) {
if (!d) {
return;
}
var pts = [];
if (!d.dataPath.flowEntries) {
// create a temporary vector to indicate the pending flow
var s1 = d3.select(document.getElementById(d.srcDpid));
var s2 = d3.select(document.getElementById(d.dstDpid));
var pt1 = document.querySelector('svg').createSVGPoint();
pt1.x = s1.attr('x');
pt1.y = s1.attr('y');
pt1 = pt1.matrixTransform(s1[0][0].getCTM());
pts.push(pt1);
var pt2 = document.querySelector('svg').createSVGPoint();
pt2.x = s2.attr('x');
pt2.y = s2.attr('y');
pt2 = pt2.matrixTransform(s2[0][0].getCTM());
pts.push(pt2);
} else {
d.dataPath.flowEntries.forEach(function (flowEntry) {
var s = d3.select(document.getElementById(flowEntry.dpid.value));
// s[0] is null if the flow entry refers to a non-existent switch
if (s[0][0]) {
var pt = document.querySelector('svg').createSVGPoint();
pt.x = s.attr('x');
pt.y = s.attr('y');
pt = pt.matrixTransform(s[0][0].getCTM());
pts.push(pt);
} else {
console.log('flow refers to non-existent switch: ' + flowEntry.dpid.value);
}
});
}
if (pts.length) {
return line(pts);
} else {
return "M0,0";
}
})
.attr('id', function (d) {
if (d) {
return makeFlowKey(d);
}
})
.classed('pending', function (d) {
return d && (d.createPending || d.deletePending);
});
// "marching ants"
flows.select('animate').attr('from', 500);
}
function updateSelectedFlowsTable() {
function rowEnter(d) {
var row = d3.select(this);
row.append('div').classed('deleteFlow', true);
row.append('div').classed('flowId', true);
row.append('div').classed('srcDPID', true);
row.append('div').classed('dstDPID', true);
row.append('div').classed('iperf', true);
row.select('.iperf')
.append('div')
.attr('class', 'iperf-container')
.append('svg:svg')
.attr('viewBox', '0 0 1000 32')
.attr('preserveAspectRatio', 'none')
.append('svg:g')
.append('svg:path')
.attr('class', 'iperfdata');
row.on('mouseover', function (d) {
if (d) {
var path = document.getElementById(makeFlowKey(d));
d3.select(path).classed('highlight', true);
}
});
row.on('mouseout', function (d) {
if (d) {
var path = document.getElementById(makeFlowKey(d));
d3.select(path).classed('highlight', false);
}
});
}
function rowUpdate(d) {
var row = d3.select(this);
row.attr('id', function (d) {
if (d) {
return makeSelectedFlowKey(d);
}
});
if (!d || !hasIPerf(d)) {
row.select('.iperfdata')
.attr('d', 'M0,0');
}
row.select('.deleteFlow').on('click', function () {
deselectFlow(d);
});
row.on('dblclick', function () {
if (d) {
var prompt = 'Delete flow ' + d.flowId + '?';
if (confirm(prompt)) {
deleteFlow(d);
d.deletePending = true;
updateSelectedFlows();
setTimeout(function () {
d.deletePending = false;
updateSelectedFlows();
}, pendingTimeout)
};
}
});
row.select('.flowId')
.text(function (d) {
if (d) {
if (d.flowId) {
return d.flowId;
} else {
return '0x--';
}
}
})
.classed('pending', function (d) {
return d && (d.createPending || d.deletePending);
});
row.select('.srcDPID')
.text(function (d) {
if (d) {
return d.srcDpid;
}
});
row.select('.dstDPID')
.text(function (d) {
if (d) {
return d.dstDpid;
}
});
}
var flows = d3.select('#selectedFlows')
.selectAll('.selectedFlow')
.data(selectedFlows);
flows.enter()
.append('div')
.classed('selectedFlow', true)
.each(rowEnter);
flows.each(rowUpdate);
flows.exit().remove();
}
// TODO: cancel the interval when the flow is desel
function startIPerfForFlow(flow) {
var duration = 10000; // seconds
var interval = 100; // ms. this is defined by the server
var updateRate = 2000; // ms
var pointsToDisplay = 1000;
function makePoints() {
var pts = [];
var i;
for (i=0; i < pointsToDisplay; ++i) {
var sample = flow.iperfData.samples[i];
var height = 32 * sample/50000000;
if (height > 32)
height = 32;
pts.push({
x: i * 1000/(pointsToDisplay-1),
y: 32 - height
})
}
return pts;
}
if (flow.flowId) {
console.log('starting iperf for: ' + flow.flowId);
startIPerf(flow, duration, updateRate/interval);
flow.iperfDisplayInterval = setInterval(function () {
if (flow.iperfData) {
while (flow.iperfData.samples.length < pointsToDisplay) {
flow.iperfData.samples.push(0);
}
var iperfPath = d3.select(document.getElementById(makeSelectedFlowKey(flow))).select('path');
iperfPath.attr('d', line(makePoints()));
flow.iperfData.samples.shift();
}
}, interval);
flow.iperfFetchInterval = setInterval(function () {
getIPerfData(flow, function (data) {
try {
if (!flow.iperfData) {
flow.iperfData = {
samples: []
};
var i;
for (i = 0; i < pointsToDisplay; ++i) {
flow.iperfData.samples.push(0);
}
}
var iperfData = JSON.parse(data);
// if the data is fresh
if (flow.iperfData.timestamp && iperfData.timestamp != flow.iperfData.timestamp) {
iperfData.samples.forEach(function (s) {
flow.iperfData.samples.push(s);
});
}
flow.iperfData.timestamp = iperfData.timestamp;
} catch (e) {
console.log('bad iperf data: ' + data);
}
// console.log(data);
});
}, updateRate/2); // over sample to avoid gaps
}
}
function updateSelectedFlows() {
// make sure that all of the selected flows are either
// 1) valid (meaning they are in the latest list of flows)
// 2) pending
if (model) {
var flowMap = {};
model.flows.forEach(function (flow) {
flowMap[makeFlowKey(flow)] = flow;
});
var newSelectedFlows = [];
selectedFlows.forEach(function (flow) {
if (flow) {
var liveFlow = flowMap[makeFlowKey(flow)];
if (liveFlow) {
newSelectedFlows.push(liveFlow);
liveFlow.deletePending = flow.deletePending;
liveFlow.iperfFetchInterval = flow.iperfFetchInterval;
liveFlow.iperfDisplayInterval = flow.iperfDisplayInterval;
} else if (flow.createPending) {
newSelectedFlows.push(flow);
} else if (hasIPerf(flow)) {
clearIPerf(flow);
}
}
});
selectedFlows = newSelectedFlows;
}
selectedFlows.forEach(function (flow) {
if (!hasIPerf(flow)) {
startIPerfForFlow(flow);
}
});
while (selectedFlows.length < 3) {
selectedFlows.push(null);
}
updateSelectedFlowsTable();
updateSelectedFlowsTopology();
}
function selectFlow(flow) {
var flowKey = makeFlowKey(flow);
var alreadySelected = false;
selectedFlows.forEach(function (f) {
if (f && makeFlowKey(f) === flowKey) {
alreadySelected = true;
}
});
if (!alreadySelected) {
selectedFlows.unshift(flow);
selectedFlows = selectedFlows.slice(0, 3);
updateSelectedFlows();
}
}
function hasIPerf(flow) {
return flow && flow.iperfFetchInterval;
}
function clearIPerf(flow) {
console.log('clearing iperf interval for: ' + flow.flowId);
clearInterval(flow.iperfFetchInterval);
delete flow.iperfFetchInterval;
clearInterval(flow.iperfDisplayInterval);
delete flow.iperfDisplayInterval;
delete flow.iperfData;
}
function deselectFlow(flow, ifCreatePending) {
var flowKey = makeFlowKey(flow);
var newSelectedFlows = [];
selectedFlows.forEach(function (flow) {
if (!flow ||
flowKey !== makeFlowKey(flow) ||
flowKey === makeFlowKey(flow) && ifCreatePending && !flow.createPending ) {
newSelectedFlows.push(flow);
} else {
if (hasIPerf(flow)) {
clearIPerf(flow);
}
}
});
selectedFlows = newSelectedFlows;
while (selectedFlows.length < 3) {
selectedFlows.push(null);
}
updateSelectedFlows();
}
function deselectFlowIfCreatePending(flow) {
deselectFlow(flow, true);
}
function showFlowChooser() {
function rowEnter(d) {
var row = d3.select(this);
row.append('div')
.classed('black-eye', true).
on('click', function () {
selectFlow(d);
});
row.append('div')
.classed('flowId', true)
.text(function (d) {
return d.flowId;
});
row.append('div')
.classed('srcDPID', true)
.text(function (d) {
return d.srcDpid;
});
row.append('div')
.classed('dstDPID', true)
.text(function (d) {
return d.dstDpid;
});
}
var flows = d3.select('#flowChooser')
.append('div')
.style('pointer-events', 'auto')
.selectAll('.selectedFlow')
.data(model.flows)
.enter()
.append('div')
.classed('selectedFlow', true)
.each(rowEnter);
setTimeout(function () {
d3.select(document.body).on('click', function () {
d3.select('#flowChooser').html('');
d3.select(document.body).on('click', null);
});
}, 0);
}
function updateHeader(model) {
d3.select('#lastUpdate').text(new Date());
d3.select('#activeSwitches').text(model.edgeSwitches.length + model.aggregationSwitches.length + model.coreSwitches.length);
d3.select('#activeFlows').text(model.flows.length);
}
function toRadians (angle) {
return angle * (Math.PI / 180);
}
var widths = {
edge: 6,
aggregation: 12,
core: 18
}
function createRingsFromModel(model) {
var rings = [{
radius: 3,
width: widths.edge,
switches: model.edgeSwitches,
className: 'edge',
angles: []
}, {
radius: 2.25,
width: widths.aggregation,
switches: model.aggregationSwitches,
className: 'aggregation',
angles: []
}, {
radius: 0.75,
width: widths.core,
switches: model.coreSwitches,
className: 'core',
angles: []
}];
var aggRanges = {};
// arrange edge switches at equal increments
var k = 360 / rings[0].switches.length;
rings[0].switches.forEach(function (s, i) {
var angle = k * i;
rings[0].angles[i] = angle;
// record the angle for the agg switch layout
var dpid = s.dpid.split(':');
dpid[7] = '01'; // the last component of the agg switch is always '01'
var aggdpid = dpid.join(':');
var aggRange = aggRanges[aggdpid];
if (!aggRange) {
aggRange = aggRanges[aggdpid] = {};
aggRange.min = aggRange.max = angle;
} else {
aggRange.max = angle;
}
});
// arrange aggregation switches to "fan out" to edge switches
k = 360 / rings[1].switches.length;
rings[1].switches.forEach(function (s, i) {
// rings[1].angles[i] = k * i;
var range = aggRanges[s.dpid];
rings[1].angles[i] = (range.min + range.max)/2;
});
// find the association between core switches and aggregation switches
var aggregationSwitchMap = {};
model.aggregationSwitches.forEach(function (s, i) {
aggregationSwitchMap[s.dpid] = i;
});
// put core switches next to linked aggregation switches
k = 360 / rings[2].switches.length;
rings[2].switches.forEach(function (s, i) {
// rings[2].angles[i] = k * i;
var associatedAggregationSwitches = model.configuration.association[s.dpid];
// TODO: go between if there are multiple
var index = aggregationSwitchMap[associatedAggregationSwitches[0]];
rings[2].angles[i] = rings[1].angles[index];
});
// TODO: construct this form initially rather than converting. it works better because
// it allows binding by dpid
var testRings = [];
rings.forEach(function (ring) {
var testRing = [];
ring.switches.forEach(function (s, i) {
var testSwitch = {
dpid: s.dpid,
state: s.state,
radius: ring.radius,
width: ring.width,
className: ring.className,
angle: ring.angles[i],
controller: s.controller
};
testRing.push(testSwitch);
});
testRings.push(testRing);
});
// return rings;
return testRings;
}
function makeLinkKey(link) {
return link['src-switch'] + '=>' + link['dst-switch'];
}
function makeFlowKey(flow) {
return flow.srcDpid + '=>' + flow.dstDpid;
}
function makeSelectedFlowKey(flow) {
return 'S' + makeFlowKey(flow);
}
function createLinkMap(links) {
var linkMap = {};
links.forEach(function (link) {
var srcDPID = link['src-switch'];
var dstDPID = link['dst-switch'];
var srcMap = linkMap[srcDPID] || {};
srcMap[dstDPID] = link;
linkMap[srcDPID] = srcMap;
});
return linkMap;
}
// removes links from the pending list that are now in the model
function reconcilePendingLinks(model) {
var links = [];
model.links.forEach(function (link) {
links.push(link);
delete pendingLinks[makeLinkKey(link)]
})
var linkId;
for (linkId in pendingLinks) {
links.push(pendingLinks[linkId]);
}
return links
}
updateTopology = function() {
// DRAW THE SWITCHES
var rings = svg.selectAll('.ring').data(createRingsFromModel(model));
var links = reconcilePendingLinks(model);
var linkMap = createLinkMap(links);
function mouseOverSwitch(data) {
d3.event.preventDefault();
d3.select(document.getElementById(data.dpid + '-label')).classed('nolabel', false);
if (data.highlighted) {
return;
}
// only highlight valid link or flow destination by checking for class of existing highlighted circle
var highlighted = svg.selectAll('.highlight')[0];
if (highlighted.length == 1) {
var s = d3.select(highlighted[0]).select('circle');
// only allow links
// edge->edge (flow)
// aggregation->core
// core->core
if (data.className == 'edge' && !s.classed('edge') ||
data.className == 'core' && !s.classed('core') && !s.classed('aggregation') ||
data.className == 'aggregation' && !s.classed('core')) {
return;
}
// don't highlight if there's already a link or flow
// var map = linkMap[data.dpid];
// console.log(map);
// console.log(s.data()[0].dpid);
// console.log(map[s.data()[0].dpid]);
// if (map && map[s.data()[0].dpid]) {
// return;
// }
// the second highlighted switch is the target for a link or flow
data.target = true;
}
var node = d3.select(document.getElementById(data.dpid));
node.classed('highlight', true).select('circle').transition().duration(100).attr("r", widths.core);
data.highlighted = true;
node.moveToFront();
}
function mouseOutSwitch(data) {
d3.select(document.getElementById(data.dpid + '-label')).classed('nolabel', true);
if (data.mouseDown)
return;
var node = d3.select(document.getElementById(data.dpid));
node.classed('highlight', false).select('circle').transition().duration(100).attr("r", widths[data.className]);
data.highlighted = false;
data.target = false;
}
function mouseDownSwitch(data) {
mouseOverSwitch(data);
data.mouseDown = true;
d3.select('#topology').classed('linking', true);
d3.select('svg')
.append('svg:path')
.attr('id', 'linkVector')
.attr('d', function () {
var s = d3.select(document.getElementById(data.dpid));
var pt = document.querySelector('svg').createSVGPoint();
pt.x = s.attr('x');
pt.y = s.attr('y');
pt = pt.matrixTransform(s[0][0].getCTM());
return line([pt, pt]);
});
if (data.className === 'core') {
d3.selectAll('.edge').classed('nodrop', true);
}
if (data.className === 'edge') {
d3.selectAll('.core').classed('nodrop', true);
d3.selectAll('.aggregation').classed('nodrop', true);
}
if (data.className === 'aggregation') {
d3.selectAll('.edge').classed('nodrop', true);
d3.selectAll('.aggregation').classed('nodrop', true);
}
}
function mouseUpSwitch(data) {
if (data.mouseDown) {
data.mouseDown = false;
d3.select('#topology').classed('linking', false);
d3.event.stopPropagation();
d3.selectAll('.nodrop').classed('nodrop', false);
}
}
function doubleClickSwitch(data) {
var circle = d3.select(document.getElementById(data.dpid)).select('circle');
if (data.state == 'ACTIVE') {
var prompt = 'Deactivate ' + data.dpid + '?';
if (confirm(prompt)) {
switchDown(data);
setPending(circle);
}
} else {
var prompt = 'Activate ' + data.dpid + '?';
if (confirm(prompt)) {
switchUp(data);
setPending(circle);
}
}
}
function ringEnter(data, i) {
if (!data.length) {
return;
}
// create the nodes
var nodes = d3.select(this).selectAll("g")
.data(data, function (data) {
return data.dpid;
})
.enter().append("svg:g")
.attr("id", function (data, i) {
return data.dpid;
})
.attr("transform", function(data, i) {
return "rotate(" + data.angle+ ")translate(" + data.radius * 150 + ")rotate(" + (-data.angle) + ")";
});
// add the cirles representing the switches
nodes.append("svg:circle")
.attr("transform", function(data, i) {
var m = document.querySelector('#viewbox').getTransformToElement().inverse();
if (data.scale) {
m = m.scale(data.scale);
}
return "matrix( " + m.a + " " + m.b + " " + m.c + " " + m.d + " " + m.e + " " + m.f + " )";
})
.attr("x", function (data) {
return -data.width / 2;
})
.attr("y", function (data) {
return -data.width / 2;
})
.attr("r", function (data) {
return data.width;
});
// setup the mouseover behaviors
nodes.on('mouseover', mouseOverSwitch);
nodes.on('mouseout', mouseOutSwitch);
nodes.on('mouseup', mouseUpSwitch);
nodes.on('mousedown', mouseDownSwitch);
// only do switch up/down for core switches
if (i == 2) {
nodes.on('dblclick', doubleClickSwitch);
}
}
// append switches
rings.enter().append("svg:g")
.attr("class", "ring")
.each(ringEnter);
function ringUpdate(data, i) {
var nodes = d3.select(this).selectAll("g")
.data(data, function (data) {
return data.dpid;
});
nodes.select('circle')
.each(function (data) {
// if there's a pending state changed and then the state changes, clear the pending class
var circle = d3.select(this);
if (data.state === 'ACTIVE' && circle.classed('inactive') ||
data.state === 'INACTIVE' && circle.classed('active')) {
circle.classed('pending', false);
}
})
.attr('class', function (data) {
if (data.state === 'ACTIVE' && data.controller) {
return data.className + ' active ' + controllerColorMap[data.controller];
} else {
return data.className + ' inactive ' + 'colorInactive';
}
});
}
// update switches
rings.each(ringUpdate);
// Now setup the labels
// This is done separately because SVG draws in node order and we want the labels
// always on top
var labelRings = svg.selectAll('.labelRing').data(createRingsFromModel(model));
d3.select(document.body).on('mousemove', function () {
if (!d3.select('#topology').classed('linking')) {
return;
}
var linkVector = document.getElementById('linkVector');
if (!linkVector) {
return;
}
linkVector = d3.select(linkVector);
var highlighted = svg.selectAll('.highlight')[0];
var s1 = null, s2 = null;
if (highlighted.length > 1) {
var s1 = d3.select(highlighted[0]);
var s2 = d3.select(highlighted[1]);
} else if (highlighted.length > 0) {
var s1 = d3.select(highlighted[0]);
}
var src = s1;
if (s2 && !s2.data()[0].target) {
src = s2;
}
if (src) {
linkVector.attr('d', function () {
var srcPt = document.querySelector('svg').createSVGPoint();
srcPt.x = src.attr('x');
srcPt.y = src.attr('y');
srcPt = srcPt.matrixTransform(src[0][0].getCTM());
var svg = document.getElementById('topology');
var mouse = d3.mouse(viewbox);
var dstPt = document.querySelector('svg').createSVGPoint();
dstPt.x = mouse[0];
dstPt.y = mouse[1];
dstPt = dstPt.matrixTransform(viewbox.getCTM());
return line([srcPt, dstPt]);
});
}
});
d3.select(document.body).on('mouseup', function () {
function clearHighlight() {
svg.selectAll('circle').each(function (data) {
data.mouseDown = false;
d3.select('#topology').classed('linking', false);
mouseOutSwitch(data);
});
d3.select('#linkVector').remove();
};
d3.selectAll('.nodrop').classed('nodrop', false);
function removeLink(link) {
var path1 = document.getElementById(link['src-switch'] + '=>' + link['dst-switch']);
var path2 = document.getElementById(link['dst-switch'] + '=>' + link['src-switch']);
if (path1) {
setPending(d3.select(path1));
}
if (path2) {
setPending(d3.select(path2));
}
linkDown(link);
}
var highlighted = svg.selectAll('.highlight')[0];
if (highlighted.length == 2) {
var s1Data = highlighted[0].__data__;
var s2Data = highlighted[1].__data__;
var srcData, dstData;
if (s1Data.target) {
dstData = s1Data;
srcData = s2Data;
} else {
dstData = s2Data;
srcData = s1Data;
}
if (s1Data.className == 'edge' && s2Data.className == 'edge') {
var prompt = 'Create flow from ' + srcData.dpid + ' to ' + dstData.dpid + '?';
if (confirm(prompt)) {
addFlow(srcData, dstData);
var flow = {
dataPath: {
srcPort: {
dpid: {
value: srcData.dpid
}
},
dstPort: {
dpid: {
value: dstData.dpid
}
}
},
srcDpid: srcData.dpid,
dstDpid: dstData.dpid,
createPending: true
};
selectFlow(flow);
setTimeout(function () {
deselectFlowIfCreatePending(flow);
}, pendingTimeout);
}
} else {
var map = linkMap[srcData.dpid];
if (map && map[dstData.dpid]) {
var prompt = 'Remove link between ' + srcData.dpid + ' and ' + dstData.dpid + '?';
if (confirm(prompt)) {
removeLink(map[dstData.dpid]);
}
} else {
map = linkMap[dstData.dpid];
if (map && map[srcData.dpid]) {
var prompt = 'Remove link between ' + dstData.dpid + ' and ' + srcData.dpid + '?';
if (confirm(prompt)) {
removeLink(map[srcData.dpid]);
}
} else {
var prompt = 'Create link between ' + srcData.dpid + ' and ' + dstData.dpid + '?';
if (confirm(prompt)) {
var link1 = {
'src-switch': srcData.dpid,
'src-port': 1,
'dst-switch': dstData.dpid,
'dst-port': 1,
pending: true
};
pendingLinks[makeLinkKey(link1)] = link1;
var link2 = {
'src-switch': dstData.dpid,
'src-port': 1,
'dst-switch': srcData.dpid,
'dst-port': 1,
pending: true
};
pendingLinks[makeLinkKey(link2)] = link2;
updateTopology();
linkUp(link1);
// remove the pending links after 10s
setTimeout(function () {
delete pendingLinks[makeLinkKey(link1)];
delete pendingLinks[makeLinkKey(link2)];
updateTopology();
}, pendingTimeout);
}
}
}
}
clearHighlight();
} else {
clearHighlight();
}
});
function labelRingEnter(data) {
if (!data.length) {
return;
}
// create the nodes
var nodes = d3.select(this).selectAll("g")
.data(data, function (data) {
return data.dpid;
})
.enter().append("svg:g")
.classed('nolabel', true)
.attr("id", function (data) {
return data.dpid + '-label';
})
.attr("transform", function(data, i) {
return "rotate(" + data.angle+ ")translate(" + data.radius * 150 + ")rotate(" + (-data.angle) + ")";
})
// add the text nodes which show on mouse over
nodes.append("svg:text")
.text(function (data) {return data.dpid;})
.attr("x", function (data) {
if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
if (data.className == 'edge') {
return - data.width*3 - 4;
} else {
return - data.width - 4;
}
} else {
if (data.className == 'edge') {
return data.width*3 + 4;
} else {
return data.width + 4;
}
}
})
.attr("y", function (data) {
var y;
if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
if (data.className == 'edge') {
y = data.width*3/2 + 4;
} else {
y = data.width/2 + 4;
}
} else {
if (data.className == 'edge') {
y = data.width*3/2 + 4;
} else {
y = data.width/2 + 4;
}
}
return y - 6;
})
.attr("text-anchor", function (data) {
if (data.angle <= 90 || data.angle >= 270 && data.angle <= 360) {
return "end";
} else {
return "start";
}
})
.attr("transform", function(data) {
var m = document.querySelector('#viewbox').getTransformToElement().inverse();
if (data.scale) {
m = m.scale(data.scale);
}
return "matrix( " + m.a + " " + m.b + " " + m.c + " " + m.d + " " + m.e + " " + m.f + " )";
})
}
labelRings.enter().append("svg:g")
.attr("class", "textRing")
.each(labelRingEnter);
// switches should not change during operation of the ui so no
// rings.exit()
// DRAW THE LINKS
// key on link dpids since these will come/go during demo
var links = d3.select('svg').selectAll('.link').data(links, function (d) {
return d['src-switch']+'->'+d['dst-switch'];
});
// add new links
links.enter().append("svg:path")
.attr("class", "link");
links.attr('id', function (d) {
return makeLinkKey(d);
})
.attr("d", function (d) {
var src = d3.select(document.getElementById(d['src-switch']));
var dst = d3.select(document.getElementById(d['dst-switch']));
var srcPt = document.querySelector('svg').createSVGPoint();
srcPt.x = src.attr('x');
srcPt.y = src.attr('y');
srcPt = srcPt.matrixTransform(src[0][0].getCTM());
var dstPt = document.querySelector('svg').createSVGPoint();
dstPt.x = dst.attr('x');
dstPt.y = dst.attr('y');
dstPt = dstPt.matrixTransform(dst[0][0].getCTM());
var midPt = document.querySelector('svg').createSVGPoint();
midPt.x = (srcPt.x + dstPt.x)/2;
midPt.y = (srcPt.y + dstPt.y)/2;
return line([srcPt, midPt, dstPt]);
})
.attr("marker-mid", function(d) { return "url(#arrow)"; })
.classed('pending', function (d) {
return d.pending;
});
// remove old links
links.exit().remove();
}
function updateControllers() {
var controllers = d3.select('#controllerList').selectAll('.controller').data(model.controllers);
controllers.enter().append('div')
.each(function (c) {
controllerColorMap[c] = colors.pop();
d3.select(document.body).classed(controllerColorMap[c] + '-selected', true);
})
.text(function (d) {
return d;
})
.append('div')
.attr('class', 'black-eye');
controllers.attr('class', function (d) {
var color = 'colorInactive';
if (model.activeControllers.indexOf(d) != -1) {
color = controllerColorMap[d];
}
var className = 'controller ' + color;
return className;
});
// this should never be needed
// controllers.exit().remove();
controllers.on('dblclick', function (c) {
if (model.activeControllers.indexOf(c) != -1) {
var prompt = 'Dectivate ' + c + '?';
if (confirm(prompt)) {
controllerDown(c);
setPending(d3.select(this));
};
} else {
var prompt = 'Activate ' + c + '?';
if (confirm(prompt)) {
controllerUp(c);
setPending(d3.select(this));
};
}
});
controllers.select('.black-eye').on('click', function (c) {
var allSelected = true;
for (var key in controllerColorMap) {
if (!d3.select(document.body).classed(controllerColorMap[key] + '-selected')) {
allSelected = false;
break;
}
}
if (allSelected) {
for (var key in controllerColorMap) {
d3.select(document.body).classed(controllerColorMap[key] + '-selected', key == c)
}
} else {
for (var key in controllerColorMap) {
d3.select(document.body).classed(controllerColorMap[key] + '-selected', true)
}
}
// var selected = d3.select(document.body).classed(controllerColorMap[c] + '-selected');
// d3.select(document.body).classed(controllerColorMap[c] + '-selected', !selected);
});
}
var modelString;
function sync(svg) {
var d = Date.now();
updateModel(function (newModel) {
// console.log('Update time: ' + (Date.now() - d)/1000 + 's');
if (newModel) {
var modelChanged = false;
var newModelString = JSON.stringify(newModel);
if (!modelString || newModelString != modelString) {
modelChanged = true;
model = newModel;
modelString = newModelString;
} else {
// console.log('no change');
}
if (modelChanged) {
updateControllers();
updateSelectedFlows();
updateTopology();
}
updateHeader(newModel);
}
// do it again in 1s
setTimeout(function () {
sync(svg)
}, 1000);
});
}
svg = createTopologyView();
updateSelectedFlows();
d3.select('#showFlowChooser').on('click', function () {
showFlowChooser();
});
// workaround for Chrome v25 bug
// if executed immediately, the view box transform logic doesn't work properly
// fixed in Chrome v27
setTimeout(function () {
// workaround for another Chrome v25 bug
// viewbox transform stuff doesn't work in combination with browser zoom
// also works in Chrome v27
d3.select('#svg-container').style('zoom', window.document.body.clientWidth/window.document.width);
sync(svg);
}, 100);