1 /* need to put some place else in CSS ? */
3 // space for the nodenames
5 // right space after the nodename - removed from the above
7 // height for the (two) rows of timelabels
12 // 1-grain leases attributes
19 /* decorations / headers */
20 /* note: looks like the 'font' attr is not effective... */
23 var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
24 // set font-size separately in here rather than depend on the height
25 var txt_timelabel = {"font": 'Times, "Trebuchet MS", Verdana, Arial, Helvetica, sans-serif',
26 stroke: "none", fill: "#008", 'font-size': 9};
27 var txt_allnodes = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#404"};
28 var txt_nodelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
30 var attr_timebutton = {'fill':'#bbf', 'stroke': '#338','stroke-width':2,
31 'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
32 // keep consistent with sizes above - need for something nicer
33 var timebutton_path = "M1,0L19,0L10,8L1,0";
35 /* lease dimensions and colors */
36 /* refrain from using gradient color, seems to not be animated properly */
37 /* lease was originally free and is still free */
38 var attr_lease_free_free={'fill':"#def", 'stroke-width':0.5, 'stroke-dasharray':''};
39 /* lease was originally free and is now set for our usage */
40 var attr_lease_free_mine={'fill':"green", 'stroke-width':1, 'stroke-dasharray':'-..'};
41 /* was mine and is still mine */
42 var attr_lease_mine_mine={'fill':"#beb", 'stroke-width':0.5, 'stroke-dasharray':''};
43 /* was mine and is about to be released */
44 var attr_lease_mine_free={'fill':"white", 'stroke-width':1, 'stroke-dasharray':'-..'};
45 var attr_lease_other={'fill':"#f88"};
47 /* other slices name */
48 var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444",
51 ////////////////////////////////////////////////////////////
52 // the scheduler object
53 function Scheduler (sliceid, slicename, axisx, axisy, data) {
55 // the data contains slice names, and lease_id, we need this to find our own leases (mine)
57 this.slicename=slicename;
62 // utilities to keep track of all the leases
64 this.append_lease = function (lease) {
65 this.leases.push(lease);
68 // how many time slots
69 this.nb_grains = function () { return axisx.length;}
71 this.init = function (canvas_id) {
72 this.total_width = x_nodelabel + this.nb_grains()*x_grain;
73 this.total_height = 2*y_header /* the timelabels */
74 + 2*y_sep /* extra space */
75 + y_node /* all-nodes & timebuttons row */
76 + (this.axisy.length)*(y_node+y_sep); /* the regular nodes and preceding space */
77 paper = Raphael (canvas_id, this.total_width+x_sep, this.total_height);
79 // maintain the list of nodelabels for the 'all nodes' button
82 ////////// create the time slots legend
87 for (var i=0, len=axisx.length; i < len; ++i) {
88 // pick the printable part
89 timelabel=axisx[i][1];
91 if (col%2 == 0) y += y_header;
94 var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel)
95 .attr({"text-anchor":"middle"});
97 var path_spec="M"+left+" "+(y+y_header/2)+"L"+left+" "+this.total_height;
98 var rule=paper.path(path_spec).attr(attr_rules);
102 this.granularity=axisx[1][0]-axisx[0][0];
104 ////////// the row with the timeslot buttons
105 // move two lines down
106 top += 2*y_header+2*y_sep;
109 var allnodes = paper.text (x_nodelabel-x_sep,top+y_node/2,"All nodes").attr(txt_allnodes)
110 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
111 allnodes.scheduler=this;
112 allnodes.click(allnodes_methods.click);
114 for (var i=0, len=axisx.length; i < len; ++i) {
115 var timebutton=paper.path(timebutton_path).attr({'translation':left+','+top}).attr(attr_timebutton);
116 timebutton.from_time=axisx[i][0];
117 timebutton.scheduler=this;
118 timebutton.click(timebutton_methods.click);
122 //////// the body of the scheduler : loop on nodes
125 for (var i=0, len=axisy.length; i<len; ++i) {
128 var nodelabel = paper.text(x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
129 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
130 nodelabel_methods.selected(nodelabel,1);
131 nodelabel.click(nodelabel_methods.click);
132 this.nodelabels.push(nodelabel);
136 while (grain < this.nb_grains()) {
137 lease_id=data[data_index][0];
138 slicename=data[data_index][1];
139 duration=data[data_index][2];
140 var lease=paper.rect (left,top,x_grain*duration,y_node,radius);
141 lease.lease_id=lease_id;
142 lease.nodename=nodename;
143 lease.nodelabel=nodelabel;
144 if (slicename == "") {
145 lease.initial="free";
146 lease_methods.init_free(lease);
147 } else if (slicename == this.slicename) {
148 lease.initial="mine";
149 lease_methods.init_mine(lease);
151 lease_initial="other";
152 lease_methods.init_other(lease,slicename);
154 lease.from_time = axisx[grain%this.nb_grains()][0];
156 lease.until_time = axisx[grain%this.nb_grains()][0];
157 // record scheduler in lease
158 lease.scheduler=this;
160 this.append_lease(lease);
161 // move on with the loop
162 left += x_grain*duration;
165 top += y_node + y_sep;
169 this.submit = function () {
170 document.body.style.cursor = "wait";
171 var actions=new Array();
172 for (var i=0, len=this.leases.length; i<len; ++i) {
173 var lease=this.leases[i];
174 if (lease.current != lease.initial) {
175 var from_time=lease.from_time;
176 var until_time=lease.until_time;
177 /* scan the leases just after this one and merge if appropriate */
179 while (j<len && lease_methods.compare (lease, until_time, this.leases[j])) {
180 // window.console.log('merged index='+j);
181 until_time=this.leases[j].until_time;
184 if (lease.current!='free') { // lease to add
185 actions.push(new Array('add-leases',
186 new Array(lease.nodename),
190 } else { // lease to delete
191 actions.push(new Array ('delete-leases',
196 sliceid=this.sliceid;
197 // once we're done with the side-effect performed in actions.php, we need to refresh this view
198 redirect = function (sliceid) {
199 window.location = '/db/slices/slice.php?id=' + sliceid + '&show_details=0&show_nodes=1&show_nodes_resa=1';
201 // Ajax.Request comes with prototype
202 var ajax=new Ajax.Request('/planetlab/common/actions.php',
204 parameters:{'action':'manage-leases',
205 'actions':actions.toJSON()},
206 onSuccess: function(transport) {
207 var response = transport.responseText || "no response text";
208 document.body.style.cursor = "default";
209 alert("Server answered:\n\n" + response + "\n\nPress OK to refresh page");
212 onFailure: function(){
213 document.body.style.cursor = "default";
214 alert("Could not reach server, sorry...\n\nPress OK to refresh page");
215 // not too sure what to do here ...
221 this.clear = function () {
222 for (var i=0, len=this.leases.length; i<len; ++i) {
223 var lease=this.leases[i];
224 if (lease.current != lease.initial) {
225 if (lease.initial == 'free') lease_methods.init_free(lease,lease_methods.click_mine);
226 else lease_methods.init_mine(lease,lease_methods.click_free);
233 //////////////////////////////////////// couldn't find how to inhererit from the raphael objects...
235 //////////////////// the 'all nodes' button
236 var allnodes_methods = {
237 click: function (event) {
238 var scheduler=this.scheduler;
239 /* decide what to do */
241 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
242 if (! scheduler.nodelabels[i].selected) unselected++;
243 /* if at least one is not selected : select all */
244 var new_state = (unselected >0) ? 1 : 0;
245 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
246 nodelabel_methods.selected(scheduler.nodelabels[i],new_state);
250 //////////////////// the buttons for managing the whole timeslot
251 var timebutton_methods = {
254 click: function (event) {
255 var scheduler = this.scheduler;
256 var from_time = this.from_time;
257 var until_time = from_time + scheduler.granularity;
258 /* scan leases on selected nodes, store in two arrays */
259 var relevant_free=[], relevant_mine=[];
260 for (var i=0,len=scheduler.leases.length; i<len; ++i) {
261 var scan=scheduler.leases[i];
262 if ( ! scan.nodelabel.selected) continue;
264 if (scan.from_time<=from_time && scan.until_time>=until_time) {
265 if (scan.current == "free") relevant_free.push(scan);
266 else if (scan.current == "mine") relevant_mine.push(scan);
269 // window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
270 /* decide what to do, whether book or release */
271 if (relevant_mine.length==0 && relevant_free.length==0) {
272 alert ("Nothing to do in this timeslot on the selected nodes");
275 // if at least one is free, let's book
276 if (relevant_free.length > 0) {
277 for (var i=0, len=relevant_free.length; i<len; ++i) {
278 var lease=relevant_free[i];
279 lease_methods.init_mine(lease,lease_methods.click_free);
281 // otherwise we unselect
283 for (var i=0, len=relevant_mine.length; i<len; ++i) {
284 var lease=relevant_mine[i];
285 lease_methods.init_free(lease,lease_methods.click_mine);
291 //////////////////// the nodelabel buttons
292 var nodelabel_methods = {
294 // set selected mode and render visually
295 selected: function (nodelabel, flag) {
296 nodelabel.selected=flag;
297 nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
301 click: function (event) {
302 nodelabel_methods.selected( this, ! this.selected );
307 //////////////////// the lease buttons
308 var lease_methods = {
310 /* in the process of merging leases before posting to the API */
311 compare: function (lease, until_time, next_lease) {
312 return (next_lease['nodename'] == lease['nodename'] &&
313 next_lease['from_time'] == until_time &&
314 next_lease['initial'] == lease['initial'] &&
315 next_lease['current'] == lease['current']);
318 init_free: function (lease, unclick) {
319 lease.current="free";
321 lease.animate((lease.initial=="free") ? attr_lease_free_free : attr_lease_mine_free,anim_delay);
322 // keep track of the current status
324 lease.click (lease_methods.click_free);
325 if (unclick) lease.unclick(unclick);
328 // find out all the currently free leases that overlap this one
329 click_free: function (event) {
330 var scheduler = this.scheduler;
331 lease_methods.init_mine(this,lease_methods.click_free);
334 init_mine: function (lease, unclick) {
335 lease.current="mine";
336 lease.animate((lease.initial=="mine") ? attr_lease_mine_mine : attr_lease_free_mine,anim_delay);
337 lease.click (lease_methods.click_mine);
338 if (unclick) lease.unclick(unclick);
341 click_mine: function (event) {
342 var scheduler = this.scheduler;
343 // this lease was originally free but is now marked for booking
344 // we free just this lease
345 lease_methods.init_free(this, lease_methods.click_mine);
349 init_other: function (lease, slicename) {
350 lease.animate (attr_lease_other,anim_delay);
351 /* a text obj to display the name of the slice that owns that lease */
352 var otherslicelabel = paper.text (lease.attr("x")+lease.attr("width")/2,
354 lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
355 /* hide it right away */
356 otherslicelabel.hide();
358 lease.label=otherslicelabel;
359 lease.hover ( function (e) { this.label.toFront(); this.label.show(); },
360 function (e) { this.label.hide(); } );
364 function init_scheduler () {
366 var data = [], axisx = [], axisy = [];
367 var table = $$("table#leases_data")[0];
368 // no reservable nodes - no data
369 if ( ! table) return;
371 table.getElementsBySelector("tbody>tr>th").each(function (cell) {
372 axisy.push(getInnerText(cell));
374 // the timeslot labels
375 table.getElementsBySelector("thead>tr>th").each(function (cell) {
376 /* [0]: timestamp -- [1]: displayable*/
377 axisx.push(getInnerText(cell).split("&"));
379 // leases - expect colspan to describe length in grains
380 // the text contents is expected to be lease_id & slicename
381 table.getElementsBySelector("tbody>tr>td").each(function (cell) {
383 slice_attributes=getInnerText(cell).split('&');
384 // booked leases come with lease id and slice name
385 if (slice_attributes.length == 2) {
386 // leases is booked : slice_id, slice_name, duration in grains
387 cell_data=new Array (slice_attributes[0], slice_attributes[1], cell.colSpan);
389 cell_data = new Array ('','',cell.colSpan);
391 data.push(cell_data);
393 // sliceid & slicename : the upper-left cell
394 var slice_attributes = getInnerText(table.getElementsBySelector("thead>tr>td")[0]).split('&');
395 var sliceid=slice_attributes[0];
396 var slicename=slice_attributes[1];
397 var scheduler = new Scheduler (sliceid,slicename, axisx, axisy, data);
399 // leases_area is a <div> created by slice.php as a placeholder
400 scheduler.init ("leases_area");
402 var submit=$$("button#leases_submit")[0];
403 submit.onclick = function () { scheduler.submit(); }
404 var clear=$$("button#leases_clear")[0];
405 clear.onclick = function () { scheduler.clear(); }
409 Event.observe(window, 'load', init_scheduler);