/* 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
+// w_grain is configurable from $_GET
+//var w_grain = 20;
+var y_node = 15;
+var radius= 6;
+
+var anim_delay=350;
/* decorations / headers */
+/* note: looks like the 'font' attr is not effective... */
-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"};
+// vertical rules
var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
-var x_nodename = 200;
-var x_sep=10;
-var y_header = 12
-var y_sep = 20
+// 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 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 anim_delay=500;
-var x_grain = 24;
-var y_node = 15;
-var radius= 6;
+/* 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_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':'-..'};
-// refrained from using gradient color, was not animated properly
-// var color_lease_mine_free="0-#fff-#def:50-#fff";
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 };
////////////////////////////////////////////////////////////
// the scheduler object
-function Scheduler (slicename, axisx, axisy, data) {
+function Scheduler (sliceid, slicename, w_grain) {
+ // 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.sliceid=sliceid;
this.slicename=slicename;
- this.axisx=axisx;
- this.axisy=axisy;
- this.data=data;
-
- // utilities to keep track of all the leases
- this.leases=[];
- this.append_lease = function (lease) {
- this.leases.push(lease);
- }
+ this.paper=null;
+
+ this.w_grain = parseInt(w_grain);
+ // the path for the triangle-shaped buttons
+ this.timebutton_path="M1,0L"+(this.w_grain-1)+",0L"+(this.w_grain/2)+","+y_header+"L1,0";
// how many time slots
- this.nb_grains = function () { return axisx.length;}
+ this.nb_grains = function () { return this.axisx.length;}
+
+ ////////////////////
+ // 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 = $$("table#leases_data")[0].innerHTML;
+ return true;
+ }
+
+ ////////////////////
+ // the names of the hidden fields that hold the input to this class
+ // are hard-wired for now
+ this.parse_html = function () {
+ this.sliceid=getInnerText($$("span#leases_sliceid")[0]).strip();
+ this.slicename=getInnerText($$("span#leases_slicename")[0]).strip();
+ this.leases_grain=getInnerText($$("span#leases_grain")[0]).strip();
+ this.leases_offset=getInnerText($$("span#leases_offset")[0]).strip();
+ this.leases_slots=getInnerText($$("span#leases_slots")[0]).strip();
+ this.leases_w=getInnerText($$("span#leases_w")[0]).strip();
+
+ var table = $$("table#leases_data")[0];
+ // no reservable nodes - no data
+ if ( ! table) return false;
+ // check for the body too xxx
+ // the nodelabels
+ var data = [], axisx = [], axisy = [];
+ table.getElementsBySelector("tbody>tr>th").each(function (cell) {
+ axisy.push(getInnerText(cell));
+ });
- this.init = function (id) {
- this.total_width = x_nodename + this.nb_grains()*x_grain;
- this.total_height = 2*y_header + this.axisy.length*(y_node+y_sep);
- paper = Raphael (id, this.total_width, this.total_height);
+ // 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) {
+ 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);
+ });
+
+ this.axisx=axisx;
+ this.axisy=axisy;
+ this.data=data;
+ return true;
+ }
- // create the time slots legend
+ ////////////////////
+ // draw
+ this.draw_area = function (canvas_id) {
+ this.total_width = x_nodelabel + this.nb_grains()*this.w_grain;
+ 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;
+
+ 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;
var col=0;
for (var i=0, len=axisx.length; i < len; ++i) {
// pick the printable part
- timeslot=axisx[i][1];
+ 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"});
+ // 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);
- left+=x_grain;
+ // 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.w_grain);
}
- // move to the lines below:
- 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.w_grain);
+ }
+
+ //////// the body of the scheduler : loop on nodes
+ top += y_node+y_sep;
var data_index=0;
+ this.leases=[];
for (var i=0, len=axisy.length; i<len; ++i) {
- node=axisy[i];
+ var nodename=axisy[i];
left=0;
- var nodelabel = paper.text(x_nodename-x_sep,top+y_node/2,node).attr(txt_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_nodename;
+ left += x_nodelabel;
var grain=0;
while (grain < this.nb_grains()) {
- slicename=data[data_index][0];
- duration=data[data_index][1];
- var lease=paper.rect (left,top,x_grain*duration,y_node,radius);
- lease.nodename=node;
+ 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.w_grain*duration,y_node,radius);
+ lease.lease_id=lease_id;
+ lease.nodename=nodename;
+ lease.nodelabel=nodelabel;
if (slicename == "") {
lease.initial="free";
lease_methods.init_free(lease);
// record scheduler in lease
lease.scheduler=this;
// and vice versa
- this.append_lease(lease);
+ this.leases.push(lease);
// move on with the loop
- left += x_grain*duration;
+ left += this.w_grain*duration;
data_index +=1;
}
top += y_node + y_sep;
}
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 method=(lease.current=='free') ? 'DeleteLeases' : 'AddLeases';
- window.console.log(method + "(" +
- "[" + lease.nodename + "]," +
- this.slicename + "," +
- lease.from_time + "," +
- lease.until_time + ')');
+ 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='+this.leases[i].initial+' current='+this.leases[i].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));
+ }
}
}
+ sliceid=this.sliceid;
+ // Ajax.Request comes with prototype
+ var ajax=new Ajax.Request('/planetlab/common/actions.php',
+ {method:'post',
+ parameters:{'action':'manage-leases',
+ 'actions':actions.toJSON()},
+ 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 () {
}
}
- /* initialize mode buttons */
- this.init_mode = function (default_mode, node_button, timeslot_button) {
- this.node_button=node_button;
- this.timeslot_button=timeslot_button;
- var scheduler=this;
- /* xxx set callbacks on buttons */
- node_button.onclick = function () { scheduler.set_mode('node'); }
- timeslot_button.onclick = function () { scheduler.set_mode('timeslot'); }
- this.set_mode(default_mode);
+ this.refresh = function () {
+ document.body.style.cursor = "wait";
+ var ajax=new Ajax.Request('/planetlab/slices/leases-data.php',
+ {method:'post',
+ parameters:{'sliceid':this.sliceid,
+ 'slicename':this.slicename,
+ 'leases_grain':this.leases_grain,
+ '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 ("Something wrong .. Could not parse ajax result..");
+ 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");
+ },
+ });
+
}
- /* expecting mode to be either 'node' or 'timeslot' */
- this.set_mode = function (mode) {
- this.mode=mode;
- var active_button = (mode=='node') ? this.node_button : this.timeslot_button;
- active_button.checked='checked';
+} // 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);
}
-
+}
-} // Scheduler
+//////////////////// the buttons for managing the whole timeslot
+var timebutton_methods = {
-//////////////////////////////////////// couldn't find how to inhererit from the raphael objects...
+ /* 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
// find out all the currently free leases that overlap this one
click_free: function (event) {
var scheduler = this.scheduler;
- if (scheduler.mode=='node') {
- lease_methods.init_mine(this,lease_methods.click_free);
- } else {
- for (var i=0, len=scheduler.leases.length; i<len; ++i) {
- scan=scheduler.leases[i];
- // overlap ?
- if (scan.from_time<=this.from_time && scan.until_time>=this.until_time)
- if (scan.current == "free") lease_methods.init_mine(scan,lease_methods.click_free);
- }
- }
+ lease_methods.init_mine(this,lease_methods.click_free);
},
init_mine: function (lease, unclick) {
var scheduler = this.scheduler;
// this lease was originally free but is now marked for booking
// we free just this lease
- if (scheduler.mode=='node') {
- lease_methods.init_free(this, lease_methods.click_mine);
- } else {
- for (var i=0, len=scheduler.leases.length; i<len; ++i) {
- scan=scheduler.leases[i];
- // overlap ?
- if (scan.from_time<=this.from_time && scan.until_time>=this.until_time) {
- if (scan.current == "mine") lease_methods.init_free(scan,lease_methods.click_mine);
- }
- // the other ones just remain as they are
- }
- }
+ 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 slicelabel = paper.text (lease.attr("x")+lease.attr("width")/2,
- lease.attr("y")+lease.attr("height")/2,slicename).attr(txt_slice);
+ var otherslicelabel = 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 */
- slicelabel.hide();
+ otherslicelabel.hide();
/* record it */
- lease.label=slicelabel;
+ 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 data = [], axisx = [], axisy = [];
- var table = $$("table#leases_data")[0];
- // no reservable nodes - no data
- if ( ! table) return;
- // the nodenames
- table.getElementsBySelector("tbody>tr>th").each(function (cell) {
- axisy.push(getInnerText(cell));
- });
- // 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
- table.getElementsBySelector("tbody>tr>td").each(function (cell) {
- data.push(new Array (getInnerText(cell),cell.colSpan));
- });
- // slicename : the upper-left cell
- var scheduler = new Scheduler (getInnerText(table.getElementsBySelector("thead>tr>td")[0]), axisx, axisy, data);
- table.hide();
- // leases_area is a <div> created by slice.php as a placeholder
- scheduler.init ("leases_area");
-
+ var sliceid = getInnerText($$("span#leases_sliceid")[0]).strip();
+ var slicename = getInnerText($$("span#leases_slicename")[0]).strip();
+ var w_grain = getInnerText($$("span#leases_w")[0]).strip();
+ var scheduler = new Scheduler (sliceid,slicename,w_grain);
+ // parse the table with data, and if not empty, draw the scheduler
+ if (scheduler.parse_html ()) {
+ scheduler.draw_area("leases_area");
+ }
+
+ // attach behaviour to buttons
+ var refresh=$$("button#leases_refresh")[0];
+ if (refresh) refresh.onclick = function () { scheduler.refresh();}
var submit=$$("button#leases_submit")[0];
submit.onclick = function () { scheduler.submit(); }
- var clear=$$("button#leases_clear")[0];
- clear.onclick = function () { scheduler.clear(); }
- var node_button=$$("input#leases_mode_node")[0];
- var timeslot_button=$$("input#leases_mode_timeslot")[0];
- scheduler.init_mode ('timeslot',node_button,timeslot_button);
+ scheduler.refresh();
}
git://git.onelab.eu / plewww.git / blobdiff