From 58c3fb4fae786fcf27e1b4ea5fbfb7f271509868 Mon Sep 17 00:00:00 2001
From: Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr>
Date: Fri, 3 Sep 2010 10:46:12 +0200
Subject: [PATCH] resa view uses GET params to select start and duration

---
 planetlab/slices/leases.js | 10 ++++++----
 planetlab/slices/slice.php | 28 +++++++++++++++++++---------
 2 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/planetlab/slices/leases.js b/planetlab/slices/leases.js
index 0b45806..d1d3d18 100644
--- a/planetlab/slices/leases.js
+++ b/planetlab/slices/leases.js
@@ -10,7 +10,7 @@ var y_header = 12;
 var y_sep = 10;
 
 // 1-grain leases attributes
-var x_grain = 24;
+var x_grain = 20;
 var y_node = 15;
 var radius= 6;
 
@@ -20,14 +20,16 @@ var anim_delay=500;
 
 // vertical rules
 var attr_rules={'fill':"#888", 'stroke-dasharray':'- ', 'stroke-width':0.5};
-var txt_timelabel = {"font": '"Trebuchet MS", Verdana, Arial, Helvetica, sans-serif', stroke: "none", fill: "#008"};
+// 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':2, 
 		       'stroke-linecap':'round', 'stroke-linejoin':'miter', 'stroke-miterlimit':3};
 // keep consistent with sizes above - need for something nicer
-var timebutton_path = "M1,0L23,0L12,13L1,0";
+var timebutton_path = "M1,0L19,0L10,8L1,0";
 
 /* lease dimensions and colors */
 /* refrain from using gradient color, seems to not be animated properly */
@@ -89,7 +91,7 @@ function Scheduler (sliceid, slicename, axisx, axisy, data) {
 	    col +=1;
 	    // display time label
 	    var timelabel=paper.text(left,y,timelabel).attr(txt_timelabel)
-		.attr({"font-size":y_header, "text-anchor":"middle"});
+		.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);
diff --git a/planetlab/slices/slice.php b/planetlab/slices/slice.php
index ae042a0..c28eeac 100644
--- a/planetlab/slices/slice.php
+++ b/planetlab/slices/slice.php
@@ -543,16 +543,20 @@ if ($count && $privileges) {
 				 array('visible'=>get_arg('show_nodes_resa',false)));
   $toggle_nodes->start();
   $grain=$api->GetLeaseGranularity();
+  // where to start from, expressed as an offset in hours from now
+  $resa_offset=$_GET['resa_offset'];
+  if ( ! $resa_offset ) $resa_offset=0;
+  $rough_start=time()+$resa_offset*3600;
   // xxx should be configurable
-  $now=time(); 
-  // xxx ditto, 
+  $resa_slots=$_GET['resa_slots'];
+  if ( ! $resa_slots ) $resa_slots = 36;
   // for now, show the next 72 hours, or 72 grains, which ever is smaller
-  $duration=min(72*3600,72*$grain);
+  $duration=$resa_slots*$grain;
   $steps=$duration/$grain;
-  $start=intval($now/$grain)*$grain;
-  $end=$now+$duration;
+  $start=intval($rough_start/$grain)*$grain;
+  $end=$rough_start+$duration;
   $lease_columns=array('lease_id','name','t_from','t_until','hostname','name');
-  $leases=$api->GetLeases(array(']t_until'=>$now,'[t_from'=>$end,'-SORT'=>'t_from'),$lease_columns);
+  $leases=$api->GetLeases(array(']t_until'=>$rough_start,'[t_from'=>$end,'-SORT'=>'t_from'),$lease_columns);
   // hash nodes -> leases
   $host_hash=array();
   foreach ($leases as $lease) {
@@ -567,11 +571,17 @@ if ($count && $privileges) {
   }
   # leases_data is the name used by leases.js to locate this table
   echo "<table id='leases_data'>";
-  # pass the slicename as the [0,0] coordinate as thead>tr>td
+  # pass (slice_id,slicename) as the [0,0] coordinate as thead>tr>td
   echo "<thead><tr><td>" . $slice['slice_id'] . '&' . $slice['name'] . "</td>";
-  for ($i=0; $i<$steps; $i++) 
+  # the timeslot headers read (timestamp,label)
+  $day_names=array('Su','M','Tu','W','Th','F','Sa');
+  for ($i=0; $i<$steps; $i++) {
+    $timestamp=($start+$i*$grain);
+    $day=$day_names[intval(strftime("%w",$timestamp))];
+    $label=$day . strftime(" %H:%M",$timestamp);
     // expose in each header cell the full timestamp, and how to display it - use & as a separator*/
-    echo "<th>" . ($start+$i*$grain) . "&" . strftime("%H:%M",$start+$i*$grain). "</th>";
+    echo "<th>" . implode("&",array($timestamp,$label)) . "</th>";
+  }
   echo "</tr></thead><tbody>";
   // todo - sort on hostnames
   function sort_hostname ($a,$b) { return ($a['hostname']<$b['hostname'])?-1:1;}
-- 
2.47.0