+/* Thierry Parmentelat -- INRIA */
+
/* need to put some place else in CSS ? */
+// space for the nodenames
+var x_nodelabel = 200;
+// right space after the nodename - removed from the above
+var x_sep=20;
+// height for the (two) rows of timelabels
+var y_header = 12;
+// space between nodes
+var y_sep = 10;
+
+// 1-grain leases attributes
+// leases_w is configurable from html
+//var leases_w = 20;
+var y_node = 15;
+var radius= 6;
+
+var anim_delay=350;
+
/* decorations / headers */
+/* note: looks like the 'font' attr is not effective... */
+
+// vertical rules
+var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
+// set font-size separately in here rather than depend on the height
+var txt_timelabel = {"font": 'Times, "Trebuchet MS", Verdana, Arial, Helvetica, sans-serif',
+ stroke: "none", fill: "#008", 'font-size': 9};
+var txt_allnodes = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#404"};
+var txt_nodelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
-var txt_nodename = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
-var txt_timeslot = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
-var color_rules="#888";
-var x_nodename = 200;
-var x_sep=10;
-var y_header = 12
-var y_sep = 20
+var attr_timebutton = {'fill':'#bbf', 'stroke': '#338','stroke-width':1,
+ 'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
+var attr_daymarker = {'stroke':'#000','stroke-width':2};
+var attr_half_daymarker = {'stroke':'#444','stroke-width':2};
/* lease dimensions and colors */
-var x_grain = 24;
-var y_node = 15;
-var radius= 6;
-var color_otherslice="#f08080";
-var color_thisslice="#a5e0af";
-var color_free="#f0fcd4";
+/* refrain from using gradient color, seems to not be animated properly */
+/* lease was originally free and is still free */
+var attr_lease_free_free={'fill':"#def", 'stroke-width':0.5, 'stroke-dasharray':''};
+/* lease was originally free and is now set for our usage */
+var attr_lease_free_mine={'fill':"green", 'stroke-width':1, 'stroke-dasharray':'-..'};
+/* was mine and is still mine */
+var attr_lease_mine_mine={'fill':"#beb", 'stroke-width':0.5, 'stroke-dasharray':''};
+/* was mine and is about to be released */
+var attr_lease_mine_free={'fill':"white", 'stroke-width':1, 'stroke-dasharray':'-..'};
+var attr_lease_other={'fill':"#f88"};
/* other slices name */
-var txt_slice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444",
- "font-size": 15 };
+var txt_otherslice = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#444",
+ "font-size": 12 };
-var leases_namespace = {
+////////////////////////////////////////////////////////////
+// the scheduler object
+function Scheduler () {
- init_scheduler: function () {
- // Grab the data
- var data = [],
- axisx = [],
- axisy = [],
- table = $$("table#leases_data")[0];
+ // xxx-hacky dunno how to retrieve this object from an ajax callback
+ Scheduler.scheduler=this;
+
+ // the data contains slice names, and lease_id, we need this to find our own leases (mine)
+ this.paper=null;
+
+ ////////////////////
+ // store the result of an ajax request in the leases_data table
+ this.set_html = function (html_data) {
+ var table_text = $$("table#leases_data")[0].innerHTML;
+ $$("table#leases_data")[0].innerHTML=html_data;
+ table_text = $$("table#leases_data")[0].innerHTML;
+ return true;
+ }
+
+ ////////////////////
+ // the names of the hidden fields that hold the input to this class
+ // are hard-wired for now
+ this.parse_html = function () {
+
+ var table = $$("table#leases_data")[0];
// no reservable nodes - no data
- if ( ! table) return;
- // the nodenames
+ if ( ! table) return false;
+
+ // the nodelabels
+ var data = [], axisx = [], axisy = [];
table.getElementsBySelector("tbody>tr>th").each(function (cell) {
axisy.push(getInnerText(cell));
});
+ // test for at least one entry; other wise this means we haven't retrieved
+ // the html dta yet
+ if (axisy.length <1) return false;
+
// the timeslot labels
table.getElementsBySelector("thead>tr>th").each(function (cell) {
/* [0]: timestamp -- [1]: displayable*/
axisx.push(getInnerText(cell).split("&"));
});
+
// leases - expect colspan to describe length in grains
+ // the text contents is expected to be lease_id & slicename
table.getElementsBySelector("tbody>tr>td").each(function (cell) {
- data.push(new Array (getInnerText(cell),cell.colSpan));
+ var cell_data;
+ var slice_attributes=getInnerText(cell).split('&');
+ // booked leases come with lease id and slice name
+ if (slice_attributes.length == 2) {
+ // leases is booked : slice_id, slice_name, duration in grains
+ cell_data=new Array (slice_attributes[0], slice_attributes[1], cell.colSpan);
+ } else {
+ cell_data = new Array ('','',cell.colSpan);
+ }
+ data.push(cell_data);
});
- // slicename : the upper-left cell
- var this_slicename = getInnerText(table.getElementsBySelector("thead>tr>td")[0]);
- table.hide();
- var nb_nodes = axisy.length, nb_grains = axisx.length;
- var total_width = x_nodename + nb_grains*x_grain;
- var total_height = 2*y_header + nb_nodes*(y_node+y_sep);
- // no radius supported
- paper = Raphael("leases_area", total_width, total_height);
-// color = table.css("color");
+ this.axisx=axisx;
+ this.axisy=axisy;
+ this.data=data;
+ return true;
+ }
+
+ // how many time slots
+ this.nb_grains = function () { return this.axisx.length;}
+
+ ////////////////////
+ // draw
+ this.draw_area = function (canvas_id) {
+ this.total_width = x_nodelabel + this.nb_grains()*this.leases_w;
+ this.total_height = 2*y_header /* the timelabels */
+ + 2*y_sep /* extra space */
+ + y_node /* all-nodes & timebuttons row */
+ + (this.axisy.length)*(y_node+y_sep); /* the regular nodes and preceding space */
+ // reuse for paper if exists with same size, or (re-)create otherwise
+ var paper;
+ if (this.paper == null) {
+ paper = Raphael (canvas_id, this.total_width+x_sep, this.total_height);
+ } else if (this.paper.width==this.total_width && this.paper.height==this.total_height) {
+ paper=this.paper;
+ paper.clear();
+ } else {
+ $$("#"+canvas_id)[0].innerHTML="";
+ paper = Raphael (canvas_id, this.total_width+x_sep, this.total_height);
+ }
+ this.paper=paper;
+
+ // the path for the triangle-shaped buttons
+ this.timebutton_path="M1,0L"+(this.leases_w-1)+",0L"+(this.leases_w/2)+","+y_header+"L1,0";
+
+ var axisx=this.axisx;
+
+ var axisy=this.axisy;
+ // maintain the list of nodelabels for the 'all nodes' button
+ this.nodelabels=[];
+
+ ////////// create the time slots legend
var top=0;
- var left=x_nodename;
+ var left=x_nodelabel;
+
+ var daymarker_height= 2*y_header+2*y_sep + (axisy.length+1)*(y_node+y_sep);
+ var daymarker_path="M0,0L0," + daymarker_height;
+
+ var half_daymarker_off= 2*y_header+y_sep;
+ var half_daymarker_path="M0," + half_daymarker_off + "L0," + daymarker_height;
- // the time slots legend
var col=0;
- axisx.each (function (timeslot_spec) {
- timeslot=timeslot_spec[1];
+ for (var i=0, len=axisx.length; i < len; ++i) {
+ // pick the printable part
+ var timelabel=axisx[i][1];
var y = top+y_header;
if (col%2 == 0) y += y_header;
col +=1;
- var timelabel=paper.text(left,y,timeslot).attr(txt_timeslot)
- .attr({"font-size":y_header, "text-anchor":"middle"});
- var path_spec="M"+left+" "+(y+y_header/2)+"L"+left+" "+total_height;
- var rule=paper.path(path_spec).attr({'stroke':1,"fill":color_rules});
- left+=x_grain;
- });
+ // display time label
+ var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel)
+ .attr({"text-anchor":"middle"});
+ // draw vertical line
+ var path_spec="M"+left+" "+(y+y_header/2)+"L"+left+" "+this.total_height;
+ var rule=paper.path(path_spec).attr(attr_rules);
+ // show a day marker when relevant
+ var timestamp=parseInt(axisx[i][0]);
+ if ( (timestamp%(24*3600))==0) {
+ paper.path(daymarker_path).attr({'translation':left+','+top}).attr(attr_daymarker);
+ } else if ( (timestamp%(12*3600))==0) {
+ paper.path(half_daymarker_path).attr({'translation':left+','+top}).attr(attr_daymarker);
+ }
+ left+=(this.leases_w);
+ }
- top += 2*y_header+y_sep;
-
+ ////////// the row with the timeslot buttons (the one labeled 'All nodes')
+ this.granularity=axisx[1][0]-axisx[0][0];
+
+ // move two lines down
+ top += 2*y_header+2*y_sep;
+ left=x_nodelabel;
+ // all nodes buttons
+ var allnodes = paper.text (x_nodelabel-x_sep,top+y_node/2,"All nodes").attr(txt_allnodes)
+ .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
+ allnodes.scheduler=this;
+ allnodes.click(allnodes_methods.click);
+ // timeslot buttons
+ for (var i=0, len=axisx.length; i < len; ++i) {
+ var timebutton=paper.path(this.timebutton_path).attr({'translation':left+','+top}).attr(attr_timebutton);
+ timebutton.from_time=axisx[i][0];
+ timebutton.scheduler=this;
+ timebutton.click(timebutton_methods.click);
+ left+=(this.leases_w);
+ }
+
+ //////// the body of the scheduler : loop on nodes
+ top += y_node+y_sep;
var data_index=0;
- axisy.each(function (node) {
+ this.leases=[];
+ for (var i=0, len=axisy.length; i<len; ++i) {
+ var nodename=axisy[i];
left=0;
- var nodelabel = paper.text(x_nodename-x_sep,top+y_node/2,node).attr(txt_nodename)
- .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
-
- left += x_nodename;
+ var nodelabel = paper.text(x_nodelabel-x_sep,top+y_node/2,nodename).attr(txt_nodelabel)
+ .attr ({"font-size":y_node, "text-anchor":"end","baseline":"bottom"});
+ nodelabel_methods.selected(nodelabel,1);
+ nodelabel.click(nodelabel_methods.click);
+ this.nodelabels.push(nodelabel);
+
+ left += x_nodelabel;
var grain=0;
- while (grain < nb_grains) {
- slicename=data[data_index][0];
- duration=data[data_index][1];
- var lease=paper.rect (left,top,x_grain*duration,y_node,radius);
- var color;
+ while (grain < this.nb_grains()) {
+ lease_id=this.data[data_index][0];
+ slicename=this.data[data_index][1];
+ duration=this.data[data_index][2];
+ var lease=paper.rect (left,top,this.leases_w*duration,y_node,radius);
+ // record scheduler in lease - early as we need this in init_other
+ lease.scheduler=this;
+ lease.lease_id=lease_id;
+ lease.nodename=nodename;
+ lease.nodelabel=nodelabel;
if (slicename == "") {
- color=color_free;
- lease.click ( function (e) { window.console.log ('free ' + lease.from_time + '--' + lease.until_time); } );
- } else if (slicename == this_slicename) {
- color=color_thisslice;
- lease.click ( function (e) { window.console.log ('mine ' + lease.from_time + '--' + lease.until_time); } );
+ lease.initial="free";
+ lease_methods.init_free(lease);
+ } else if (slicename == this.slicename) {
+ lease.initial="mine";
+ lease_methods.init_mine(lease);
} else {
- color=color_otherslice;
- /* to display the name of the slice that owns that lease */
- var slicelabel = paper.text (left+(x_grain*duration)/2,top+y_node/2,slicename)
- .attr(txt_slice);
- /* hide it right away */
- slicelabel.hide();
- lease.label=slicelabel;
- lease.hover ( function (e) { this.label.toFront(); this.label.show(); },
- function (e) { this.label.hide(); } );
+ lease.initial="other";
+ lease_methods.init_other(lease,slicename);
}
- lease.attr("fill",color);
- lease.from_time = axisx[grain%nb_grains][0];
+ lease.from_time = axisx[grain%this.nb_grains()][0];
grain += duration;
- lease.until_time = axisx[grain%nb_grains][0];
- left += x_grain*duration;
+ lease.until_time = axisx[grain%this.nb_grains()][0];
+ // and vice versa
+ this.leases.push(lease);
+ // move on with the loop
+ left += this.leases_w*duration;
data_index +=1;
}
top += y_node + y_sep;
- });
+ };
}
-/*
- r.rect(10, 10, total_width-20, total_height-20, radius).attr({fill: "#888", stroke: "#fff"});
- for (var i = 0, ii = axisx.length; i < ii; i++) {
- r.text(leftgutter + X * (i + .5), 294, axisx[i]).attr(txt);
+ this.submit = function () {
+ document.body.style.cursor = "wait";
+ var actions=new Array();
+ for (var i=0, len=this.leases.length; i<len; ++i) {
+ var lease=this.leases[i];
+ if (lease.current != lease.initial) {
+ var from_time=lease.from_time;
+ var until_time=lease.until_time;
+ /* scan the leases just after this one and merge if appropriate */
+ /* this makes sense when adding leases only though */
+ if (lease.current=='mine') {
+ var j=i+1;
+ while (j<len && lease_methods.compare (lease, until_time, this.leases[j])) {
+// window.console.log('merging index='+i+' initial='+lease.initial+' current='+lease.current);
+// window.console.log('merged index='+j+' initial='+this.leases[j].initial+' current='+this.leases[j].current);
+ until_time=this.leases[j].until_time;
+ ++j; ++i;
+ }
+ }
+ if (lease.current!='free') { // lease to add
+ actions.push(new Array('add-leases',
+ new Array(lease.nodename),
+ this.slicename,
+ from_time,
+ until_time));
+ } else { // lease to delete
+ actions.push(new Array ('delete-leases',
+ lease.lease_id));
+ }
+ }
}
- for (var i = 0, ii = axisy.length; i < ii; i++) {
- r.text(10, Y * (i + .5), axisy[i]).attr(txt);
+ slice_id=this.slice_id;
+ // Ajax.Request comes with prototype
+ var ajax=new Ajax.Request('/planetlab/common/actions.php',
+ {method:'post',
+ parameters:{'action':'manage-leases',
+ 'actions':Object.toJSON(actions)},
+ onSuccess: function(transport) {
+ var response = transport.responseText || "no response text";
+ document.body.style.cursor = "default";
+// alert("Server answered:\n\n" + response + "\n\nPress OK to refresh page");
+ Scheduler.scheduler.refresh();
+ },
+ onFailure: function(){
+ document.body.style.cursor = "default";
+ alert("Could not reach server, sorry...\n\nPress OK to refresh page");
+ // not too sure what to do here ...
+ Scheduler.scheduler.refresh();
+ },
+ });
+ }
+
+ this.clear = function () {
+ for (var i=0, len=this.leases.length; i<len; ++i) {
+ var lease=this.leases[i];
+ if (lease.current != lease.initial) {
+ if (lease.initial == 'free') lease_methods.init_free(lease,lease_methods.click_mine);
+ else lease_methods.init_mine(lease,lease_methods.click_free);
+ }
}
- var o = 0;
- for (var i = 0, ii = axisy.length; i < ii; i++) {
- for (var j = 0, jj = axisx.length; j < jj; j++) {
- var R = data[o] && Math.min(Math.round(Math.sqrt(data[o] / Math.PI) * 4), max);
- if (R) {
- (function (dx, dy, R, value) {
- var color = "hsb(" + [(1 - R / max) * .5, 1, .75] + ")";
- var dt = r.circle(dx + 60 + R, dy + 10, R).attr({stroke: "none", fill: color});
- if (R < 6) {
- var bg = r.circle(dx + 60 + R, dy + 10, 6).attr({stroke: "none", fill: "#000", opacity: .4}).hide();
- }
- var lbl = r.text(dx + 60 + R, dy + 10, data[o])
- .attr({"font": '10px Fontin-Sans, Arial', stroke: "none", fill: "#fff"}).hide();
- var dot = r.circle(dx + 60 + R, dy + 10, max).attr({stroke: "none", fill: "#000", opacity: 0});
- dot[0].onmouseover = function () {
- if (bg) {
- bg.show();
- } else {
- var clr = Raphael.rgb2hsb(color);
- clr.b = .5;
- dt.attr("fill", Raphael.hsb2rgb(clr).hex);
- }
- lbl.show();
- };
- dot[0].onmouseout = function () {
- if (bg) {
- bg.hide();
- } else {
- dt.attr("fill", color);
- }
- lbl.hide();
- };
- })(leftgutter + X * (j + .5) - 60 - R, Y * (i + .5) - 10, R, data[o]);
- }
- o++;
- }
+ }
+
+ // re-read settings from the html, ajax-aquire the html text for the leases_data table
+ // store it in the html tree, parse it, and refresh graphic
+ this.refresh = function () {
+ this.slice_id=getInnerText($$("span#leases_slice_id")[0]).strip();
+ this.slicename=getInnerText($$("span#leases_slicename")[0]).strip();
+ this.leases_granularity=getInnerText($$("span#leases_granularity")[0]).strip();
+ this.leases_offset=$("leases_offset_input").value.strip();
+ this.leases_slots=$("leases_slots_input").value.strip();
+ this.leases_w=parseInt($("leases_w_input").value.strip());
+
+ document.body.style.cursor = "wait";
+ var ajax=new Ajax.Request('/planetlab/slices/leases-data.php',
+ {method:'post',
+ parameters:{'slice_id':this.slice_id,
+ 'slicename':this.slicename,
+ 'leases_granularity':this.leases_granularity,
+ 'leases_offset':this.leases_offset,
+ 'leases_slots':this.leases_slots,
+ 'leases_w':this.leases_w},
+ onSuccess: function (transport) {
+ var response = transport.responseText || "no response text";
+// window.console.log("received from ajax=[["+response+"]]");
+ var scheduler=Scheduler.scheduler;
+ if ( ! scheduler.set_html (response))
+ alert ("Something wrong .. Could not store ajax result..");
+ else if ( ! scheduler.parse_html())
+ alert ("Error: could not parse ajax result..\nIf your session has expired, you need to log back in");
+ else
+ scheduler.draw_area("leases_area");
+ document.body.style.cursor = "default";
+ },
+ onFailure: function(){
+ document.body.style.cursor = "default";
+ alert("Could not reach server, sorry...\n\n");
+ },
+ });
+
+ }
+
+} // end Scheduler
+
+//////////////////////////////////////// couldn't find how to inhererit from the raphael objects...
+
+//////////////////// the 'all nodes' button
+var allnodes_methods = {
+ click: function (event) {
+ var scheduler=this.scheduler;
+ /* decide what to do */
+ var unselected=0;
+ for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
+ if (! scheduler.nodelabels[i].selected) unselected++;
+ /* if at least one is not selected : select all */
+ var new_state = (unselected >0) ? 1 : 0;
+ for (var i=0, len=scheduler.nodelabels.length; i<len; ++i)
+ nodelabel_methods.selected(scheduler.nodelabels[i],new_state);
+ }
+}
+
+//////////////////// the buttons for managing the whole timeslot
+var timebutton_methods = {
+
+ /* clicking */
+ click: function (event) {
+ var scheduler = this.scheduler;
+ var from_time = this.from_time;
+ var until_time = from_time + scheduler.granularity;
+ /* scan leases on selected nodes, store in two arrays */
+ var relevant_free=[], relevant_mine=[];
+ for (var i=0,len=scheduler.leases.length; i<len; ++i) {
+ var scan=scheduler.leases[i];
+ if ( ! scan.nodelabel.selected) continue;
+ // overlap ?
+ if (scan.from_time<=from_time && scan.until_time>=until_time) {
+ if (scan.current == "free") relevant_free.push(scan);
+ else if (scan.current == "mine") relevant_mine.push(scan);
+ }
+ }
+// window.console.log("Found " + relevant_free.length + " free and " + relevant_mine.length + " mine");
+ /* decide what to do, whether book or release */
+ if (relevant_mine.length==0 && relevant_free.length==0) {
+ alert ("Nothing to do in this timeslot on the selected nodes");
+ return;
}
+ // if at least one is free, let's book
+ if (relevant_free.length > 0) {
+ for (var i=0, len=relevant_free.length; i<len; ++i) {
+ var lease=relevant_free[i];
+ lease_methods.init_mine(lease,lease_methods.click_free);
+ }
+ // otherwise we unselect
+ } else {
+ for (var i=0, len=relevant_mine.length; i<len; ++i) {
+ var lease=relevant_mine[i];
+ lease_methods.init_free(lease,lease_methods.click_mine);
+ }
+ }
+ }
+}
+
+//////////////////// the nodelabel buttons
+var nodelabel_methods = {
+
+ // set selected mode and render visually
+ selected: function (nodelabel, flag) {
+ nodelabel.selected=flag;
+ nodelabel.attr({'font-weight': (flag ? 'bold' : 'normal')});
+ },
+
+ // toggle selected
+ click: function (event) {
+ nodelabel_methods.selected( this, ! this.selected );
}
-*/
-};
+}
+
+
+//////////////////// the lease buttons
+var lease_methods = {
+
+ /* in the process of merging leases before posting to the API */
+ compare: function (lease, until_time, next_lease) {
+ return (next_lease['nodename'] == lease['nodename'] &&
+ next_lease['from_time'] == until_time &&
+ next_lease['initial'] == lease['initial'] &&
+ next_lease['current'] == lease['current']);
+ },
+
+ init_free: function (lease, unclick) {
+ lease.current="free";
+ // set color
+ lease.animate((lease.initial=="free") ? attr_lease_free_free : attr_lease_mine_free,anim_delay);
+ // keep track of the current status
+ // record action
+ lease.click (lease_methods.click_free);
+ if (unclick) lease.unclick(unclick);
+ },
+
+ // find out all the currently free leases that overlap this one
+ click_free: function (event) {
+ var scheduler = this.scheduler;
+ lease_methods.init_mine(this,lease_methods.click_free);
+ },
+
+ init_mine: function (lease, unclick) {
+ lease.current="mine";
+ lease.animate((lease.initial=="mine") ? attr_lease_mine_mine : attr_lease_free_mine,anim_delay);
+ lease.click (lease_methods.click_mine);
+ if (unclick) lease.unclick(unclick);
+ },
+
+ click_mine: function (event) {
+ var scheduler = this.scheduler;
+ // this lease was originally free but is now marked for booking
+ // we free just this lease
+ lease_methods.init_free(this, lease_methods.click_mine);
+ },
+
+
+ init_other: function (lease, slicename) {
+ lease.animate (attr_lease_other,anim_delay);
+ /* a text obj to display the name of the slice that owns that lease */
+ var otherslicelabel = lease.scheduler.paper.text (lease.attr("x")+lease.attr("width")/2,
+ // xxx
+ lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_otherslice);
+ /* hide it right away */
+ otherslicelabel.hide();
+ /* record it */
+ lease.label=otherslicelabel;
+ lease.hover ( function (e) { this.label.toFront(); this.label.show(); },
+ function (e) { this.label.hide(); } );
+ },
+}
+
+function init_scheduler () {
+ // Grab the data
+ var scheduler = new Scheduler ();
+ // parse the table with data, and if not empty, draw the scheduler
+ scheduler.refresh();
+
+ // attach behaviour to buttons
+ $("leases_submit").onclick = function () { scheduler.submit(); }
+ $("leases_refresh").onclick = function () { scheduler.refresh();}
+
+}
-Event.observe(window, 'load', leases_namespace.init_scheduler);
+Event.observe(window, 'load', init_scheduler);
git://git.onelab.eu / plewww.git / blobdiff