Paul Greyson | 7a30082 | 2013-04-09 12:57:49 -0700 | [diff] [blame^] | 1 | function updateSelectedFlowsTopology() { |
| 2 | // DRAW THE FLOWS |
| 3 | var topologyFlows = []; |
| 4 | selectedFlows.forEach(function (flow) { |
| 5 | if (flow) { |
| 6 | topologyFlows.push(flow); |
| 7 | } |
| 8 | }); |
| 9 | |
| 10 | var flows = d3.select('svg').selectAll('.flow').data(topologyFlows); |
| 11 | |
| 12 | flows.enter().append("svg:path").attr('class', 'flow') |
| 13 | .attr('stroke-dasharray', '4, 10') |
| 14 | .append('svg:animate') |
| 15 | .attr('attributeName', 'stroke-dashoffset') |
| 16 | .attr('attributeType', 'xml') |
| 17 | .attr('from', '500') |
| 18 | .attr('to', '-500') |
| 19 | .attr('dur', '20s') |
| 20 | .attr('repeatCount', 'indefinite'); |
| 21 | |
| 22 | flows.exit().remove(); |
| 23 | |
| 24 | flows.attr('d', function (d) { |
| 25 | if (!d) { |
| 26 | return; |
| 27 | } |
| 28 | var pts = []; |
| 29 | if (!d.dataPath.flowEntries) { |
| 30 | // create a temporary vector to indicate the pending flow |
| 31 | var s1 = d3.select(document.getElementById(d.srcDpid)); |
| 32 | var s2 = d3.select(document.getElementById(d.dstDpid)); |
| 33 | |
| 34 | var pt1 = document.querySelector('svg').createSVGPoint(); |
| 35 | pt1.x = s1.attr('x'); |
| 36 | pt1.y = s1.attr('y'); |
| 37 | pt1 = pt1.matrixTransform(s1[0][0].getCTM()); |
| 38 | pts.push(pt1); |
| 39 | |
| 40 | var pt2 = document.querySelector('svg').createSVGPoint(); |
| 41 | pt2.x = s2.attr('x'); |
| 42 | pt2.y = s2.attr('y'); |
| 43 | pt2 = pt2.matrixTransform(s2[0][0].getCTM()); |
| 44 | pts.push(pt2); |
| 45 | |
| 46 | } else { |
| 47 | d.dataPath.flowEntries.forEach(function (flowEntry) { |
| 48 | var s = d3.select(document.getElementById(flowEntry.dpid.value)); |
| 49 | // s[0] is null if the flow entry refers to a non-existent switch |
| 50 | if (s[0][0]) { |
| 51 | var pt = document.querySelector('svg').createSVGPoint(); |
| 52 | pt.x = s.attr('x'); |
| 53 | pt.y = s.attr('y'); |
| 54 | pt = pt.matrixTransform(s[0][0].getCTM()); |
| 55 | pts.push(pt); |
| 56 | } else { |
| 57 | console.log('flow refers to non-existent switch: ' + flowEntry.dpid.value); |
| 58 | } |
| 59 | }); |
| 60 | } |
| 61 | if (pts.length) { |
| 62 | return line(pts); |
| 63 | } else { |
| 64 | return "M0,0"; |
| 65 | } |
| 66 | }) |
| 67 | .attr('id', function (d) { |
| 68 | if (d) { |
| 69 | return makeFlowKey(d); |
| 70 | } |
| 71 | }) |
| 72 | .classed('pending', function (d) { |
| 73 | return d && (d.createPending || d.deletePending); |
| 74 | }); |
| 75 | |
| 76 | // "marching ants" |
| 77 | flows.select('animate').attr('from', 500); |
| 78 | |
| 79 | } |
| 80 | |
| 81 | function updateSelectedFlowsTable() { |
| 82 | function rowEnter(d) { |
| 83 | var row = d3.select(this); |
| 84 | row.append('div').classed('deleteFlow', true); |
| 85 | row.append('div').classed('flowId', true); |
| 86 | row.append('div').classed('srcDPID', true); |
| 87 | row.append('div').classed('dstDPID', true); |
| 88 | row.append('div').classed('iperf', true); |
| 89 | |
| 90 | row.select('.iperf') |
| 91 | .append('div') |
| 92 | .attr('class', 'iperf-container') |
| 93 | .append('svg:svg') |
| 94 | .attr('viewBox', '0 0 1000 32') |
| 95 | .attr('preserveAspectRatio', 'none') |
| 96 | .append('svg:g') |
| 97 | .append('svg:path') |
| 98 | .attr('class', 'iperfdata'); |
| 99 | |
| 100 | row.on('mouseover', function (d) { |
| 101 | if (d) { |
| 102 | var path = document.getElementById(makeFlowKey(d)); |
| 103 | d3.select(path).classed('highlight', true); |
| 104 | } |
| 105 | }); |
| 106 | row.on('mouseout', function (d) { |
| 107 | if (d) { |
| 108 | var path = document.getElementById(makeFlowKey(d)); |
| 109 | d3.select(path).classed('highlight', false); |
| 110 | } |
| 111 | }); |
| 112 | } |
| 113 | |
| 114 | function rowUpdate(d) { |
| 115 | var row = d3.select(this); |
| 116 | row.attr('id', function (d) { |
| 117 | if (d) { |
| 118 | return makeSelectedFlowKey(d); |
| 119 | } |
| 120 | }); |
| 121 | |
| 122 | if (!d || !hasIPerf(d)) { |
| 123 | row.select('.iperfdata') |
| 124 | .attr('d', 'M0,0'); |
| 125 | } |
| 126 | |
| 127 | row.select('.deleteFlow').on('click', function () { |
| 128 | deselectFlow(d); |
| 129 | }); |
| 130 | row.on('dblclick', function () { |
| 131 | if (d) { |
| 132 | var prompt = 'Delete flow ' + d.flowId + '?'; |
| 133 | if (confirm(prompt)) { |
| 134 | deleteFlow(d); |
| 135 | d.deletePending = true; |
| 136 | updateSelectedFlows(); |
| 137 | |
| 138 | setTimeout(function () { |
| 139 | d.deletePending = false; |
| 140 | updateSelectedFlows(); |
| 141 | }, pendingTimeout) |
| 142 | }; |
| 143 | } |
| 144 | }); |
| 145 | |
| 146 | row.select('.flowId') |
| 147 | .text(function (d) { |
| 148 | if (d) { |
| 149 | if (d.flowId) { |
| 150 | return d.flowId; |
| 151 | } else { |
| 152 | return '0x--'; |
| 153 | } |
| 154 | } |
| 155 | }) |
| 156 | .classed('pending', function (d) { |
| 157 | return d && (d.createPending || d.deletePending); |
| 158 | }); |
| 159 | |
| 160 | row.select('.srcDPID') |
| 161 | .text(function (d) { |
| 162 | if (d) { |
| 163 | return d.srcDpid; |
| 164 | } |
| 165 | }); |
| 166 | |
| 167 | row.select('.dstDPID') |
| 168 | .text(function (d) { |
| 169 | if (d) { |
| 170 | return d.dstDpid; |
| 171 | } |
| 172 | }); |
| 173 | } |
| 174 | |
| 175 | var flows = d3.select('#selectedFlows') |
| 176 | .selectAll('.selectedFlow') |
| 177 | .data(selectedFlows); |
| 178 | |
| 179 | flows.enter() |
| 180 | .append('div') |
| 181 | .classed('selectedFlow', true) |
| 182 | .each(rowEnter); |
| 183 | |
| 184 | flows.each(rowUpdate); |
| 185 | |
| 186 | flows.exit().remove(); |
| 187 | } |
| 188 | |
| 189 | // TODO: cancel the interval when the flow is desel |
| 190 | function startIPerfForFlow(flow) { |
| 191 | var duration = 10000; // seconds |
| 192 | var interval = 100; // ms. this is defined by the server |
| 193 | var updateRate = 2000; // ms |
| 194 | var pointsToDisplay = 1000; |
| 195 | |
| 196 | function makePoints() { |
| 197 | var pts = []; |
| 198 | var i; |
| 199 | for (i=0; i < pointsToDisplay; ++i) { |
| 200 | var sample = flow.iperfData.samples[i]; |
| 201 | var height = 30 * sample/1000000; |
| 202 | if (height > 30) |
| 203 | height = 30; |
| 204 | pts.push({ |
| 205 | x: i * 1000/(pointsToDisplay-1), |
| 206 | y: 32 - height |
| 207 | }) |
| 208 | } |
| 209 | return pts; |
| 210 | } |
| 211 | |
| 212 | if (flow.flowId) { |
| 213 | console.log('starting iperf for: ' + flow.flowId); |
| 214 | startIPerf(flow, duration, updateRate/interval); |
| 215 | flow.iperfDisplayInterval = setInterval(function () { |
| 216 | if (flow.iperfData) { |
| 217 | while (flow.iperfData.samples.length < pointsToDisplay) { |
| 218 | flow.iperfData.samples.push(0); |
| 219 | } |
| 220 | var iperfPath = d3.select(document.getElementById(makeSelectedFlowKey(flow))).select('path'); |
| 221 | iperfPath.attr('d', line(makePoints())); |
| 222 | flow.iperfData.samples.shift(); |
| 223 | } |
| 224 | |
| 225 | |
| 226 | }, interval); |
| 227 | flow.iperfFetchInterval = setInterval(function () { |
| 228 | getIPerfData(flow, function (data) { |
| 229 | try { |
| 230 | if (!flow.iperfData) { |
| 231 | flow.iperfData = { |
| 232 | samples: [] |
| 233 | }; |
| 234 | var i; |
| 235 | for (i = 0; i < pointsToDisplay; ++i) { |
| 236 | flow.iperfData.samples.push(0); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | var iperfData = JSON.parse(data); |
| 241 | |
| 242 | // console.log(iperfData.timestamp); |
| 243 | |
| 244 | // if the data is fresh |
| 245 | if (flow.iperfData.timestamp && iperfData.timestamp != flow.iperfData.timestamp) { |
| 246 | |
| 247 | while (flow.iperfData.samples.length > pointsToDisplay + iperfData.samples.length) { |
| 248 | flow.iperfData.samples.shift(); |
| 249 | } |
| 250 | |
| 251 | iperfData.samples.forEach(function (s) { |
| 252 | flow.iperfData.samples.push(s); |
| 253 | }); |
| 254 | } |
| 255 | flow.iperfData.timestamp = iperfData.timestamp; |
| 256 | } catch (e) { |
| 257 | console.log('bad iperf data: ' + data); |
| 258 | } |
| 259 | // console.log(data); |
| 260 | }); |
| 261 | }, updateRate/2); // over sample to avoid gaps |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | function updateSelectedFlows() { |
| 266 | // make sure that all of the selected flows are either |
| 267 | // 1) valid (meaning they are in the latest list of flows) |
| 268 | // 2) pending |
| 269 | if (model) { |
| 270 | var flowMap = {}; |
| 271 | model.flows.forEach(function (flow) { |
| 272 | flowMap[makeFlowKey(flow)] = flow; |
| 273 | }); |
| 274 | |
| 275 | var newSelectedFlows = []; |
| 276 | selectedFlows.forEach(function (flow) { |
| 277 | if (flow) { |
| 278 | var liveFlow = flowMap[makeFlowKey(flow)]; |
| 279 | if (liveFlow) { |
| 280 | newSelectedFlows.push(liveFlow); |
| 281 | liveFlow.deletePending = flow.deletePending; |
| 282 | liveFlow.iperfFetchInterval = flow.iperfFetchInterval; |
| 283 | liveFlow.iperfDisplayInterval = flow.iperfDisplayInterval; |
| 284 | } else if (flow.createPending) { |
| 285 | newSelectedFlows.push(flow); |
| 286 | } else if (hasIPerf(flow)) { |
| 287 | clearIPerf(flow); |
| 288 | } |
| 289 | } |
| 290 | }); |
| 291 | selectedFlows = newSelectedFlows; |
| 292 | } |
| 293 | selectedFlows.forEach(function (flow) { |
| 294 | if (!hasIPerf(flow)) { |
| 295 | startIPerfForFlow(flow); |
| 296 | } |
| 297 | }); |
| 298 | while (selectedFlows.length < 3) { |
| 299 | selectedFlows.push(null); |
| 300 | } |
| 301 | |
| 302 | updateSelectedFlowsTable(); |
| 303 | updateSelectedFlowsTopology(); |
| 304 | } |
| 305 | |
| 306 | function selectFlow(flow) { |
| 307 | var flowKey = makeFlowKey(flow); |
| 308 | var alreadySelected = false; |
| 309 | selectedFlows.forEach(function (f) { |
| 310 | if (f && makeFlowKey(f) === flowKey) { |
| 311 | alreadySelected = true; |
| 312 | } |
| 313 | }); |
| 314 | |
| 315 | if (!alreadySelected) { |
| 316 | selectedFlows.unshift(flow); |
| 317 | selectedFlows = selectedFlows.slice(0, 3); |
| 318 | updateSelectedFlows(); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | function hasIPerf(flow) { |
| 323 | return flow && flow.iperfFetchInterval; |
| 324 | } |
| 325 | |
| 326 | function clearIPerf(flow) { |
| 327 | console.log('clearing iperf interval for: ' + flow.flowId); |
| 328 | clearInterval(flow.iperfFetchInterval); |
| 329 | delete flow.iperfFetchInterval; |
| 330 | clearInterval(flow.iperfDisplayInterval); |
| 331 | delete flow.iperfDisplayInterval; |
| 332 | delete flow.iperfData; |
| 333 | } |
| 334 | |
| 335 | function deselectFlow(flow, ifCreatePending) { |
| 336 | var flowKey = makeFlowKey(flow); |
| 337 | var newSelectedFlows = []; |
| 338 | selectedFlows.forEach(function (flow) { |
| 339 | if (!flow || |
| 340 | flowKey !== makeFlowKey(flow) || |
| 341 | flowKey === makeFlowKey(flow) && ifCreatePending && !flow.createPending ) { |
| 342 | newSelectedFlows.push(flow); |
| 343 | } else { |
| 344 | if (hasIPerf(flow)) { |
| 345 | clearIPerf(flow); |
| 346 | } |
| 347 | } |
| 348 | }); |
| 349 | selectedFlows = newSelectedFlows; |
| 350 | while (selectedFlows.length < 3) { |
| 351 | selectedFlows.push(null); |
| 352 | } |
| 353 | |
| 354 | updateSelectedFlows(); |
| 355 | } |
| 356 | |
| 357 | function deselectFlowIfCreatePending(flow) { |
| 358 | deselectFlow(flow, true); |
| 359 | } |
| 360 | |
| 361 | function showFlowChooser() { |
| 362 | function rowEnter(d) { |
| 363 | var row = d3.select(this); |
| 364 | |
| 365 | row.append('div') |
| 366 | .classed('black-eye', true). |
| 367 | on('click', function () { |
| 368 | selectFlow(d); |
| 369 | }); |
| 370 | |
| 371 | row.append('div') |
| 372 | .classed('flowId', true) |
| 373 | .text(function (d) { |
| 374 | return d.flowId; |
| 375 | }); |
| 376 | |
| 377 | row.append('div') |
| 378 | .classed('srcDPID', true) |
| 379 | .text(function (d) { |
| 380 | return d.srcDpid; |
| 381 | }); |
| 382 | |
| 383 | |
| 384 | row.append('div') |
| 385 | .classed('dstDPID', true) |
| 386 | .text(function (d) { |
| 387 | return d.dstDpid; |
| 388 | }); |
| 389 | |
| 390 | } |
| 391 | |
| 392 | var flows = d3.select('#flowChooser') |
| 393 | .append('div') |
| 394 | .style('pointer-events', 'auto') |
| 395 | .selectAll('.selectedFlow') |
| 396 | .data(model.flows) |
| 397 | .enter() |
| 398 | .append('div') |
| 399 | .classed('selectedFlow', true) |
| 400 | .each(rowEnter); |
| 401 | |
| 402 | setTimeout(function () { |
| 403 | d3.select(document.body).on('click', function () { |
| 404 | d3.select('#flowChooser').html(''); |
| 405 | d3.select(document.body).on('click', null); |
| 406 | }); |
| 407 | }, 0); |
| 408 | } |