Paul Greyson | e15c439 | 2013-04-09 15:05:31 -0700 | [diff] [blame^] | 1 | function createTopologyView() { |
| 2 | |
| 3 | window.addEventListener('resize', function () { |
| 4 | // this is too slow. instead detect first resize event and hide the paths that have explicit matrix applied |
| 5 | // either that or is it possible to position the paths so they get the automatic transform as well? |
| 6 | // updateTopology(); |
| 7 | }); |
| 8 | |
| 9 | var svg = d3.select('#svg-container').append('svg:svg'); |
| 10 | |
| 11 | svg.append("svg:defs").append("svg:marker") |
| 12 | .attr("id", "arrow") |
| 13 | .attr("viewBox", "0 -5 10 10") |
| 14 | .attr("refX", -1) |
| 15 | .attr("markerWidth", 5) |
| 16 | .attr("markerHeight", 5) |
| 17 | .attr("orient", "auto") |
| 18 | .append("svg:path") |
| 19 | .attr("d", "M0,-3L10,0L0,3"); |
| 20 | |
| 21 | return svg.append('svg:svg').attr('id', 'viewBox').attr('viewBox', '0 0 1000 1000').attr('preserveAspectRatio', 'none'). |
| 22 | attr('id', 'viewbox').append('svg:g').attr('transform', 'translate(500 500)'); |
| 23 | } |
| 24 | |
| 25 | var widths = { |
| 26 | edge: 6, |
| 27 | aggregation: 12, |
| 28 | core: 18 |
| 29 | } |
| 30 | |
| 31 | function createTopologyModel(model) { |
| 32 | var rings = [{ |
| 33 | radius: 3, |
| 34 | width: widths.edge, |
| 35 | switches: model.edgeSwitches, |
| 36 | className: 'edge', |
| 37 | angles: [] |
| 38 | }, { |
| 39 | radius: 2.25, |
| 40 | width: widths.aggregation, |
| 41 | switches: model.aggregationSwitches, |
| 42 | className: 'aggregation', |
| 43 | angles: [] |
| 44 | }, { |
| 45 | radius: 0.75, |
| 46 | width: widths.core, |
| 47 | switches: model.coreSwitches, |
| 48 | className: 'core', |
| 49 | angles: [] |
| 50 | }]; |
| 51 | |
| 52 | |
| 53 | var aggRanges = {}; |
| 54 | |
| 55 | // arrange edge switches at equal increments |
| 56 | var k = 360 / rings[0].switches.length; |
| 57 | rings[0].switches.forEach(function (s, i) { |
| 58 | var angle = k * i; |
| 59 | |
| 60 | rings[0].angles[i] = angle; |
| 61 | |
| 62 | // record the angle for the agg switch layout |
| 63 | var dpid = s.dpid.split(':'); |
| 64 | dpid[7] = '01'; // the last component of the agg switch is always '01' |
| 65 | var aggdpid = dpid.join(':'); |
| 66 | var aggRange = aggRanges[aggdpid]; |
| 67 | if (!aggRange) { |
| 68 | aggRange = aggRanges[aggdpid] = {}; |
| 69 | aggRange.min = aggRange.max = angle; |
| 70 | } else { |
| 71 | aggRange.max = angle; |
| 72 | } |
| 73 | }); |
| 74 | |
| 75 | // arrange aggregation switches to "fan out" to edge switches |
| 76 | k = 360 / rings[1].switches.length; |
| 77 | rings[1].switches.forEach(function (s, i) { |
| 78 | // rings[1].angles[i] = k * i; |
| 79 | var range = aggRanges[s.dpid]; |
| 80 | |
| 81 | rings[1].angles[i] = (range.min + range.max)/2; |
| 82 | }); |
| 83 | |
| 84 | // find the association between core switches and aggregation switches |
| 85 | var aggregationSwitchMap = {}; |
| 86 | model.aggregationSwitches.forEach(function (s, i) { |
| 87 | aggregationSwitchMap[s.dpid] = i; |
| 88 | }); |
| 89 | |
| 90 | // put core switches next to linked aggregation switches |
| 91 | k = 360 / rings[2].switches.length; |
| 92 | rings[2].switches.forEach(function (s, i) { |
| 93 | // rings[2].angles[i] = k * i; |
| 94 | var associatedAggregationSwitches = model.configuration.association[s.dpid]; |
| 95 | // TODO: go between if there are multiple |
| 96 | var index = aggregationSwitchMap[associatedAggregationSwitches[0]]; |
| 97 | |
| 98 | rings[2].angles[i] = rings[1].angles[index]; |
| 99 | }); |
| 100 | |
| 101 | // TODO: construct this form initially rather than converting. it works better because |
| 102 | // it allows binding by dpid |
| 103 | var testRings = []; |
| 104 | rings.forEach(function (ring) { |
| 105 | var testRing = []; |
| 106 | ring.switches.forEach(function (s, i) { |
| 107 | var testSwitch = { |
| 108 | dpid: s.dpid, |
| 109 | state: s.state, |
| 110 | radius: ring.radius, |
| 111 | width: ring.width, |
| 112 | className: ring.className, |
| 113 | angle: ring.angles[i], |
| 114 | controller: s.controller |
| 115 | }; |
| 116 | testRing.push(testSwitch); |
| 117 | }); |
| 118 | |
| 119 | |
| 120 | testRings.push(testRing); |
| 121 | }); |
| 122 | |
| 123 | |
| 124 | // return rings; |
| 125 | return testRings; |
| 126 | } |