currentusage.php3 7.59 KB
Newer Older
1 2 3
<?php
#
# EMULAB-COPYRIGHT
4
# Copyright (c) 2000-2007 University of Utah and the Flux Group.
5 6 7
# All rights reserved.
#
require("defs.php3");
8 9 10 11
#
# This script uses Sajax ... BEWARE!
#
require("Sajax.php");
12

Leigh B. Stoller's avatar
Leigh B. Stoller committed
13 14
#
# Get current user.
15 16
#
$this_user = CheckLogin($check_status);
17

Leigh B. Stoller's avatar
Leigh B. Stoller committed
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
#
# For anonymous users, show experiment stats.
#
function SHOWSTATS()
{
    $query_result =
	DBQueryFatal("select count(*) from experiments as e " .
	     "left join experiment_stats as s on s.exptidx=e.idx " .
	     "left join experiment_resources as rs on rs.idx=s.rsrcidx ".
	     "where state='active' and rs.pnodes>0 and " .
		     "      e.pid!='emulab-ops' and ".
		     "      not (e.pid='ron' and e.eid='all')");
    
    if (mysql_num_rows($query_result) != 1) {
	$active_expts = "ERR";
    }
    else {
	$row = mysql_fetch_array($query_result);
	$active_expts = $row[0];
    }

    $query_result =
	DBQueryFatal("select count(*) from experiments where ".
		     "state='swapped' and pid!='emulab-ops' and ".
		     "pid!='testbed'");
    if (mysql_num_rows($query_result) != 1) {
	$swapped_expts = "ERR";
    }
    else {
	$row = mysql_fetch_array($query_result);
	$swapped_expts = $row[0];
    }

    $query_result =
	DBQueryFatal("select count(*) from experiments where ".
53
		     "state='active' and swap_requests > 0 and idle_ignore=0 ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
54 55 56 57 58 59 60 61 62
		     "and pid!='emulab-ops' and pid!='testbed'");
    if (mysql_num_rows($query_result) != 1) {
	$idle_expts = "ERR";
    }
    else {
	$row = mysql_fetch_array($query_result);
	$idle_expts = $row[0];
    }
    $freepcs = TBFreePCs();
63

64 65 66 67 68 69 70 71 72 73 74 75 76
    $output = "<table valign=top align=center width=100% height=100% border=1>
                <tr><th nowrap colspan=2 class='usagetitle'>
	            Current Experiments</th></tr>
                <tr><td class=menuoptusage align=right>$active_expts</td>
                    <td align=left class=menuoptusage>
                        <a target=_parent href=explist.php3#active>Active</a>
                    </td></tr>
                <tr><td align=right class=menuoptusage>$idle_expts</td>
                    <td align=left  class=menuoptusage>Idle</td></tr>
                <tr><td align=right class=menuoptusage>$swapped_expts</td>
                    <td align=left  class=menuoptusage>
                        <a target=_parent href=explist.php3#swapped>Swapped</a>
                    </td></tr>
77 78 79 80
                <tr><td align=right class=menuoptusage>
                        <font size=+1>$freepcs</font></td>
                    <td align=left  class=menuoptusage>
                        <font size=+1>Free PCs</font></td>
81 82 83
                </tr>
               </table>\n";
    return $output;
84 85
}

86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
#
# Logged in users, show free node counts.
#
function ShowStatus()
{
    $freepcs = TBFreePCs();
    $reload  = TBReloadingPCs();
    $users   = TBLoggedIn();
    $active  = TBActiveExperiments();
    $output  = "";

    $output .= "<table valign=top align=center width=100% height=100% 
		 cellspacing=1 cellpadding=0>";

    $output .= "<tr><td nowrap class=usagefreenodes>$freepcs Free PCs</td>".
	"</tr>\n";
    $output .= "<tr><td nowrap class=usagefreenodes>$reload PCs reloading</td>".
	"</tr>\n";
    $output .= "<tr><td nowrap class=usagefreenodes>$users active users</td>".
	"</tr>\n";
    $output .= "<tr><td nowrap class=usagefreenodes>$active active expts.</td>".
	"</tr>\n";
    
    $output .= "</table>";
    return $output;
}

Leigh B. Stoller's avatar
Leigh B. Stoller committed
113 114 115 116 117
#
# Logged in users, show free node counts.
#
function SHOWFREENODES()
{
118 119
    $freecounts = array();
    
120 121 122 123 124 125 126 127 128
    # Get typelist and set freecounts to zero.
    $query_result =
	DBQueryFatal("select n.type from nodes as n ".
		     "left join node_types as nt on n.type=nt.type ".
		     "where (role='testnode') and class='pc' ");
    while ($row = mysql_fetch_array($query_result)) {
	$type              = $row[0];
	$freecounts[$type] = 0;
    }
129 130 131 132 133

    if (!count($freecounts)) {
	return "";
    }
	
Leigh B. Stoller's avatar
Leigh B. Stoller committed
134 135 136 137 138 139
    # Get free totals by type.
    $query_result =
	DBQueryFatal("select n.eventstate,n.type,count(*) from nodes as n ".
		     "left join node_types as nt on n.type=nt.type ".
		     "left join reserved as r on r.node_id=n.node_id ".
		     "where (role='testnode') and class='pc' ".
140
		     "      and r.pid is null and n.reserved_pid is null ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
141 142 143 144 145 146 147 148 149 150 151 152 153
		     "group BY n.eventstate,n.type");

    while ($row = mysql_fetch_array($query_result)) {
	$type  = $row[1];
	$count = $row[2];
        # XXX Yeah, I'm a doofus and can't figure out how to do this in SQL.
	if (($row[0] == TBDB_NODESTATE_ISUP) ||
	    ($row[0] == TBDB_NODESTATE_PXEWAIT) ||
	    ($row[0] == TBDB_NODESTATE_ALWAYSUP) ||
	    ($row[0] == TBDB_NODESTATE_POWEROFF)) {
	    $freecounts[$type] = $count;
	}
    }
154
    $output = "";
155

156 157 158
    $freepcs   = TBFreePCs();
    $reloading = TBReloadingPCs();

159 160 161 162
    $output .= "<table valign=top align=center width=100% height=100% border=1
		 cellspacing=1 cellpadding=0>
                 <tr><td nowrap colspan=8 class=usagefreenodes align=center>
 	           <b>$freepcs Free PCs, $reloading reloading</b></td></tr>\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
163

164 165
    $pccount = count($freecounts);
    $newrow  = 1;
166 167
    $maxcols = (int) ($pccount / 2);
    if ($pccount % 2)
168 169
	$maxcols++;
    $cols    = 0;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
170 171 172
    foreach($freecounts as $key => $value) {
	$freecount = $freecounts[$key];

173
	if ($newrow) {
174
	    $output .= "<tr>\n";
175
	}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
176
	
177
	$output .= "<td class=usagefreenodes align=right>
178 179
                     <a target=_parent href=shownodetype.php3?node_type=$key>
                        $key</a></td>
180
                    <td class=usagefreenodes align=left>${freecount}</td>\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
181

182 183
	$cols++;
	$newrow = 0;
184
	if ($cols == $maxcols || $pccount <= 4) {
185 186 187 188 189
	    $cols   = 0;
	    $newrow = 1;
	}

	if ($newrow) {
190
	    $output .= "</tr>\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
191 192
	}
    }
193 194 195
    if (! $newrow) {
        # Fill out to $maxcols
	for ($i = $cols + 1; $i <= $maxcols; $i++) {
196 197
	    $output .= "<td class=usagefreenodes>&nbsp</td>";
	    $output .= "<td class=usagefreenodes>&nbsp</td>";
198 199
	}
	$output .= "</tr>\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
200
    }
201 202 203 204 205
    # Fill in up to 2 rows.
    if ($pccount < 2) {
	for ($i = $pccount + 1; $i <= 2; $i++) {
	    $output .= "<tr><td class=usagefreenodes>&nbsp</td>
                            <td class=usagefreenodes>&nbsp</td></tr>\n";
206 207
	}
    }
208

209 210 211 212 213 214 215 216
    $output .= "</table>";
    return $output;
}

#
# This is for the Sajax request.
#
function FreeNodeHtml() {
217
    global $this_user;
218

219
    if ($this_user) {
220
	return ShowStatus();
221 222 223 224
    }
    else {
	return SHOWSTATS();
    }
Leigh B. Stoller's avatar
Leigh B. Stoller committed
225
}
226 227 228 229 230 231 232 233 234 235 236

#
# We need all errors to come back this function so that the Sajax request
# fails and the timer is terminated. See below.
# 
function handle_error($message, $death)
{
    echo "failed:$message";
    # Always exit; ignore $death.
    exit(1);
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
237 238
     
#
239
# If user is anonymous, show experiment stats, otherwise useful info.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
240
# 
241
if ($this_user) {
242 243
    sajax_init();
    sajax_export("FreeNodeHtml");
244 245 246 247 248 249 250 251

    # If this call is to client request function, then turn off
    # interactive mode; errors will cause the Sajax request to fail
    # and the timer to stop.
    if (sajax_client_request()) {
	$session_interactive  = 0;
	$session_errorhandler = 'handle_error';
    }
252 253 254 255 256 257 258 259
    sajax_handle_client_request();

    PAGEBEGINNING("Free Node Summary", 1, 1);
    echo "<script>\n";
    sajax_show_javascript();

    ?>
    function FreeNodeHtml_CB(stuff) {
260
	getObjbyName('usagefreenodes').innerHTML = stuff;
261
	setTimeout('GetFreeNodeHtml()', 60000);
262 263 264
    }
    function GetFreeNodeHtml() {
	x_FreeNodeHtml(FreeNodeHtml_CB);
265
    }
266 267
    setTimeout('GetFreeNodeHtml()', 60000);
    
268 269 270
    <?php
    echo "</script>\n";
	  
271 272
    echo "<div id=usagefreenodes>\n";
    echo   ShowStatus();
273 274
    echo "</div>\n";
    echo "</body></html>";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
275 276
}
else {
277 278 279 280 281
    PAGEBEGINNING("Current Usage", 1, 1);
    echo "<div id=usage>\n";
    echo   SHOWSTATS();
    echo "</div>\n";
    echo "</body></html>";
282
}