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 */
22 var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
23 // set font-size separately in here rather than depend on the height
24 var txt_timelabel = {"font": 'Times, "Trebuchet MS", Verdana, Arial, Helvetica, sans-serif',
25 stroke: "none", fill: "#008", 'font-size': 9};
26 var txt_allnodes = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#404"};
27 var txt_nodelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
29 var attr_timebutton = {'fill':'#bbf', 'stroke': '#338','stroke-width':2,
30 'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
31 // keep consistent with sizes above - need for something nicer
32 var timebutton_path = "M1,0L19,0L10,8L1,0";
34 /* lease dimensions and colors */
35 /* refrain from using gradient color, seems to not be animated properly */
36 /* lease was originally free and is still free */
37 var attr_lease_free_free={'fill':"#def", 'stroke-width':0.5, 'stroke-dasharray':''};
38 /* lease was originally free and is now set for our usage */
39 var attr_lease_free_mine={'fill':"green", 'stroke-width':1, 'stroke-dasharray':'-..'};
40 /* was mine and is still mine */
41 var attr_lease_mine_mine={'fill':"#beb", 'stroke-width':0.5, 'stroke-dasharray':''};
42 /* was mine and is about to be released */
43 var attr_lease_mine_free={'fill':"white", 'stroke-width':1, 'stroke-dasharray':'-..'};
44 var attr_lease_other={'fill':"#f88"};
46 /* other slices name */
47 var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444",
50 ////////////////////////////////////////////////////////////
51 // the scheduler object
52 function Scheduler (sliceid, slicename, axisx, axisy, data) {
54 // the data contains slice names, and lease_id, we need this to find our own leases (mine)
56 this.slicename=slicename;
61 // utilities to keep track of all the leases
63 this.append_lease = function (lease) {
64 this.leases.push(lease);
67 // how many time slots
68 this.nb_grains = function () { return axisx.length;}
70 this.init = function (canvas_id) {
71 this.total_width = x_nodelabel + this.nb_grains()*x_grain;
72 this.total_height = 2*y_header /* the timelabels */
73 + 2*y_sep /* extra space */
74 + y_node /* all-nodes & timebuttons row */
75 + (this.axisy.length)*(y_node+y_sep); /* the regular nodes and preceding space */
76 paper = Raphael (canvas_id, this.total_width+x_sep, this.total_height);
78 // maintain the list of nodelabels for the 'all nodes' button
81 ////////// create the time slots legend
86 for (var i=0, len=axisx.length; i < len; ++i) {
87 // pick the printable part
88 timelabel=axisx[i][1];
90 if (col%2 == 0) y += y_header;
93 var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel)
94 .attr({"text-anchor":"middle"});
96 var path_spec="M"+left+" "+(y+y_header/2)+"L"+left+" "+this.total_height;
97 var rule=paper.path(path_spec).attr(attr_rules);
101 this.granularity=axisx[1][0]-axisx[0][0];
103 ////////// the row with the timeslot buttons
104 // move two lines down
105 top += 2*y_header+2*y_sep;
108 var allnodes = paper.text (x_nodelabel-x_sep,top+y_node/2,"All nodes").attr(txt_allnodes)
109 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
110 allnodes.scheduler=this;
111 allnodes.click(allnodes_methods.click);
113 for (var i=0, len=axisx.length; i < len; ++i) {
114 var timebutton=paper.path(timebutton_path).attr({'translation':left+','+top}).attr(attr_timebutton);
115 timebutton.from_time=axisx[i][0];
116 timebutton.scheduler=this;
117 timebutton.click(timebutton_methods.click);
121 //////// the body of the scheduler : loop on nodes
124 for (var i=0, len=axisy.length; i<len; ++i) {
127 var nodelabel = paper.text(x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
128 .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
129 nodelabel_methods.selected(nodelabel,1);
130 nodelabel.click(nodelabel_methods.click);
131 this.nodelabels.push(nodelabel);
135 while (grain < this.nb_grains()) {
136 lease_id=data[data_index][0];
137 slicename=data[data_index][1];
138 duration=data[data_index][2];
139 var lease=paper.rect (left,top,x_grain*duration,y_node,radius);
140 lease.lease_id=lease_id;
141 lease.nodename=nodename;
142 lease.nodelabel=nodelabel;
143 if (slicename == "") {
144 lease.initial="free";
145 lease_methods.init_free(lease);
146 } else if (slicename == this.slicename) {
147 lease.initial="mine";
148 lease_methods.init_mine(lease);
150 lease_initial="other";
151 lease_methods.init_other(lease,slicename);
153 lease.from_time = axisx[grain%this.nb_grains()][0];
155 lease.until_time = axisx[grain%this.nb_grains()][0];
156 // record scheduler in lease
157 lease.scheduler=this;
159 this.append_lease(lease);
160 // move on with the loop
161 left += x_grain*duration;
164 top += y_node + y_sep;
168 this.submit = function () {
169 document.body.style.cursor = "wait";
170 var actions=new Array();
171 for (var i=0, len=this.leases.length; i<len; ++i) {
172 var lease=this.leases[i];
173 if (lease.current != lease.initial) {
174 var from_time=lease.from_time;
175 var until_time=lease.until_time;
176 /* scan the leases just after this one and merge if appropriate */
178 while (j<len && lease_methods.compare (lease, until_time, this.leases[j])) {
179 // window.console.log('merged index='+j);
180 until_time=this.leases[j].until_time;
183 if (lease.current!='free') { // lease to add
184 actions.push(new Array('add-leases',
185 new Array(lease.nodename),
189 } else { // lease to delete
190 actions.push(new Array ('delete-leases',
195 sliceid=this.sliceid;
196 // once we're done with the side-effect performed in actions.php, we need to refresh this view
197 redirect = function (sliceid) {
198 window.location = '/db/slices/slice.php?id=' + sliceid + '&show_details=0&show_nodes=1&show_nodes_resa=1';
200 // Ajax.Request comes with prototype
201 var ajax=new Ajax.Request('/planetlab/common/actions.php',
203 parameters:{'action':'manage-leases',
204 'actions':actions.toJSON()},
205 onSuccess: function(transport) {
206 var response = transport.responseText || "no response text";
207 document.body.style.cursor = "default";
208 alert("Server answered:\n\n" + response + "\n\nPress OK to refresh page");
211 onFailure: function(){
212 document.body.style.cursor = "default";
213 alert("Could not reach server, sorry...\n\nPress OK to refresh page");
214 // not too sure what to do here ...
220 this.clear = function () {
221 for (var i=0, len=this.leases.length; i<len; ++i) {
222 var lease=this.leases[i];
223 if (lease.current != lease.initial) {
224 if (lease.initial == 'free') lease_methods.init_free(lease,lease_methods.click_mine);
225 else lease_methods.init_mine(lease,lease_methods.click_free);
232 //////////////////////////////////////// couldn't find how to inhererit from the raphael objects...
234 //////////////////// the 'all nodes' button
235 var allnodes_methods = {
236 click: function (event) {
237 var scheduler=this.scheduler;
238 /* decide what to do */
240 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
241 if (! scheduler.nodelabels[i].selected) unselected++;
242 /* if at least one is not selected : select all */
243 var new_state = (unselected >0) ? 1 : 0;
244 for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
245 nodelabel_methods.selected(scheduler.nodelabels[i],new_state);
249 //////////////////// the buttons for managing the whole timeslot
250 var timebutton_methods = {
253 click: function (event) {
254 var scheduler = this.scheduler;
255 var from_time = this.from_time;
256 var until_time = from_time + scheduler.granularity;
257 /* scan leases on selected nodes, store in two arrays */
258 var relevant_free=[], relevant_mine=[];
259 for (var i=0,len=scheduler.leases.length; i<len; ++i) {
260 var scan=scheduler.leases[i];
261 if ( ! scan.nodelabel.selected) continue;
263 if (scan.from_time<=from_time && scan.until_time>=until_time) {
264 if (scan.current == "free") relevant_free.push(scan);
265 else if (scan.current == "mine") relevant_mine.push(scan);
268 // window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
269 /* decide what to do, whether book or release */
270 if (relevant_mine.length==0 && relevant_free.length==0) {
271 alert ("Nothing to do in this timeslot on the selected nodes");
274 // if at least one is free, let's book
275 if (relevant_free.length > 0) {
276 for (var i=0, len=relevant_free.length; i<len; ++i) {
277 var lease=relevant_free[i];
278 lease_methods.init_mine(lease,lease_methods.click_free);
280 // otherwise we unselect
282 for (var i=0, len=relevant_mine.length; i<len; ++i) {
283 var lease=relevant_mine[i];
284 lease_methods.init_free(lease,lease_methods.click_mine);
290 //////////////////// the nodelabel buttons
291 var nodelabel_methods = {
293 // set selected mode and render visually
294 selected: function (nodelabel, flag) {
295 nodelabel.selected=flag;
296 nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
300 click: function (event) {
301 nodelabel_methods.selected( this, ! this.selected );
306 //////////////////// the lease buttons
307 var lease_methods = {
309 /* in the process of merging leases before posting to the API */
310 compare: function (lease, until_time, next_lease) {
311 return (next_lease['nodename'] == lease['nodename'] &&
312 next_lease['from_time'] == until_time &&
313 next_lease['initial'] == lease['initial'] &&
314 next_lease['current'] == lease['current']);
317 init_free: function (lease, unclick) {
318 lease.current="free";
320 lease.animate((lease.initial=="free") ? attr_lease_free_free : attr_lease_mine_free,anim_delay);
321 // keep track of the current status
323 lease.click (lease_methods.click_free);
324 if (unclick) lease.unclick(unclick);
327 // find out all the currently free leases that overlap this one
328 click_free: function (event) {
329 var scheduler = this.scheduler;
330 lease_methods.init_mine(this,lease_methods.click_free);
333 init_mine: function (lease, unclick) {
334 lease.current="mine";
335 lease.animate((lease.initial=="mine") ? attr_lease_mine_mine : attr_lease_free_mine,anim_delay);
336 lease.click (lease_methods.click_mine);
337 if (unclick) lease.unclick(unclick);
340 click_mine: function (event) {
341 var scheduler = this.scheduler;
342 // this lease was originally free but is now marked for booking
343 // we free just this lease
344 lease_methods.init_free(this, lease_methods.click_mine);
348 init_other: function (lease, slicename) {
349 lease.animate (attr_lease_other,anim_delay);
350 /* a text obj to display the name of the slice that owns that lease */
351 var otherslicelabel = paper.text (lease.attr("x")+lease.attr("width")/2,
353 lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
354 /* hide it right away */
355 otherslicelabel.hide();
357 lease.label=otherslicelabel;
358 lease.hover ( function (e) { this.label.toFront(); this.label.show(); },
359 function (e) { this.label.hide(); } );
363 function init_scheduler () {
365 var data = [], axisx = [], axisy = [];
366 var table = $$("table#leases_data")[0];
367 // no reservable nodes - no data
368 if ( ! table) return;
370 table.getElementsBySelector("tbody>tr>th").each(function (cell) {
371 axisy.push(getInnerText(cell));
373 // the timeslot labels
374 table.getElementsBySelector("thead>tr>th").each(function (cell) {
375 /* [0]: timestamp -- [1]: displayable*/
376 axisx.push(getInnerText(cell).split("&"));
378 // leases - expect colspan to describe length in grains
379 // the text contents is expected to be lease_id & slicename
380 table.getElementsBySelector("tbody>tr>td").each(function (cell) {
382 slice_attributes=getInnerText(cell).split('&');
383 // booked leases come with lease id and slice name
384 if (slice_attributes.length == 2) {
385 // leases is booked : slice_id, slice_name, duration in grains
386 cell_data=new Array (slice_attributes[0], slice_attributes[1], cell.colSpan);
388 cell_data = new Array ('','',cell.colSpan);
390 data.push(cell_data);
392 // sliceid & slicename : the upper-left cell
393 var slice_attributes = getInnerText(table.getElementsBySelector("thead>tr>td")[0]).split('&');
394 var sliceid=slice_attributes[0];
395 var slicename=slice_attributes[1];
396 var scheduler = new Scheduler (sliceid,slicename, axisx, axisy, data);
398 // leases_area is a <div> created by slice.php as a placeholder
399 scheduler.init ("leases_area");
401 var submit=$$("button#leases_submit")[0];
402 submit.onclick = function () { scheduler.submit(); }
403 var clear=$$("button#leases_clear")[0];
404 clear.onclick = function () { scheduler.clear(); }
408 Event.observe(window, 'load', init_scheduler);