ptopgen.in 30.4 KB
Newer Older
Leigh B. Stoller's avatar
Leigh B. Stoller committed
1
#!/usr/bin/perl -w
Leigh B. Stoller's avatar
Leigh B. Stoller committed
2 3 4

#
# EMULAB-COPYRIGHT
5
# Copyright (c) 2000-2008 University of Utah and the Flux Group.
Leigh B. Stoller's avatar
Leigh B. Stoller committed
6 7 8
# All rights reserved.
#

9 10
use English;
use Getopt::Std;
11
use Math::BigInt;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
12

13 14
sub usage()
{
Leigh B. Stoller's avatar
Leigh B. Stoller committed
15 16
    print("Usage: ptopgen [-v] [-s switch] [-p pid [-e eid]] [-m factor] " .
	  "[-n c/e]\n".
17
	  "       -p include nodes the project has permission to use\n".
18
	  "       -e include given experiments resources\n" .
19 20
	  "          in the ptopfile (as if they were free)\n" .
	  "       -v Include stuff for topologies with virtual nodes\n".
21
	  "       -r Include stuff for topologies with widearea nodes\n".
22
	  "       -s Include stuff for topologies with simulated nodes\n".
23
	  "       -a Include even reserved nodes\n".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
24
	  "       -m Override multiplex_factor\n".
25
	  "       -u Prune unused interfaces of allocated nodes (-e)\n".
26
	  "       -c Delay capacity override\n".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
27
	  "       -n Add in modelnet core and edge node features\n");
28 29
    exit(-1);
}
30
my $optlist = "s:e:m:vp:rSan:c:u";
31
my $mfactor;
32
my $virtstuff = 0;
33
my $widearea  = 0;
34
my $simstuff  = 0;
35
my $allnodes  = 0;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
36 37
my $mnetcores = 0;
my $mnetedges = 0;
38
my $prune     = 0;
39
my $delaycap_override;
40

41 42 43 44
#
# Turn off line buffering on output
#
$| = 1;
45 46 47 48 49 50 51 52 53 54 55 56

# Settings - Change these to your particular network.

#
# Also bogus. The interfaces table does not hold entries for the switch
# side of each link. It will have to at some point, when we have something
# other than 100Mbs ports (say, gbit ports).
#
# Speed in in Kbs!
#
my $default_switchport_speed    = 100000;

57 58 59 60 61 62
#
# Yet more bogosity - we hardcode this weight, which is given to wide-area
# (primarily plab) nodes to prefer spreading across sites
#
my $site_weight = 0.99;

63 64
######################################################################

65
my $TBROOT = "@prefix@";
66
use lib '@prefix@/lib';
67
require exitonwarn;
68
use libdb;
Kevin Atkinson's avatar
Kevin Atkinson committed
69
use libtblog;
70
use NodeType;
71
use Lan;
Kevin Atkinson's avatar
Kevin Atkinson committed
72 73

tblog_stop_capture('stdout');
Leigh B. Stoller's avatar
Leigh B. Stoller committed
74

75 76
my $TRACK_INTERSWITCH_BANDWIDTH = "@TRACK_INTERSWITCH_BANDWIDTH@";

77 78 79
my %switches	  = ();
my %used_switches = ();
my %permissions   = ();
80 81
my %typemap       = ();
my %auxtypemap    = ();
Timothy Stack's avatar
 
Timothy Stack committed
82
my %areamap       = ();
83
my %globalcounts  = ();
84

85 86 87
my $DEADPID = NODEDEAD_PID();
my $DEADEID = NODEDEAD_EID();

88
my $pid;
89
my $exempt_eid;
90
my $switchtouse;
91

92 93 94 95 96 97 98 99 100 101 102 103 104 105
#
# Parse command arguments. Once we return from getopts, all that should be
# left are the required arguments.
#
%options = ();
if (! getopts($optlist, \%options)) {
    usage();
}
if (@ARGV) {
    usage();
}
if (defined($options{"s"})) {
    $switchtouse = $options{"s"};
}
106 107 108
if (defined($options{"m"})) {
    $mfactor = $options{"m"};
}
109 110 111
if (defined($options{"v"})) {
    $virtstuff = 1;
}
112 113 114
if (defined($options{"r"})) {
    $widearea = 1;
}
115 116 117
if (defined($options{"S"})) {
    $simstuff = 1;
}
118 119 120
if (defined($options{"p"})) {
    $pid = $options{"p"};
}
121 122 123
if (defined($options{"a"})) {
    $allnodes = 1;
}
124 125 126
if (defined($options{"u"})) {
    $prune = 1;
}
127 128 129
if (defined($options{"c"})) {
    $delaycap_override = $options{"c"};
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
130 131 132 133 134 135 136 137 138
if (defined($options{"n"})) {
    if ($options{"n"} =~ /(\d*),(\d*)/) {
	$mnetcores = $1;
	$mnetedges = $2;
    }
    else {
	usage();
    }
}
139
if (defined($options{"e"})) {
140 141 142
    $exempt_eid = $options{"e"};
    usage()
	if (!defined($pid));
143
}
144 145
usage()
    if ($prune && !defined($exempt_eid));
146

147
# Read class/type maps
148
my $result =
149 150 151
    DBQueryFatal("select class,type,isvirtnode from node_types");

while (my ($class,$type,$isvirt) = $result->fetchrow_array) {
152 153 154
    $map = {};
    $map->{'CLASS'}    = $class;
    $map->{'ISVIRT'}   = $isvirt;
155 156 157 158 159 160 161 162 163
    my $typeinfo       = NodeType->Lookup($type);
    $map->{'DELAYCAP'} = $typeinfo->delay_capacity();
    $map->{'VIRTCAP'}  = $typeinfo->virtnode_capacity();
    $map->{'SIMCAP'}   = $typeinfo->simnode_capacity();
    $map->{'SPEED'}    = $typeinfo->frequency();
    $map->{'RAM'}      = $typeinfo->memory();
    $map->{'OSID'}     = $typeinfo->default_osid();
    $map->{'IMAGEABLE'}= $typeinfo->imageable();
    $map->{'TRIVSPEED'}= $typeinfo->trivlink_maxspeed();
164
    $map->{'TYPEINFO'} = $typeinfo;
165 166 167
    $map->{'FEATURES'} = [];
    $map->{'AUXTYPES'} = {};
    $typemap{$type} = $map;
168 169 170 171 172 173

    # Default is permission to use all types,classes. 
    $permissions{$class} = 1;
    $permissions{$type}  = 1;
}

Timothy Stack's avatar
 
Timothy Stack committed
174 175
# Read node_startloc
$result = DBQueryFatal("select node_id,building from node_startloc");
Timothy Stack's avatar
 
Timothy Stack committed
176
while (($node,$building) = $result->fetchrow_array) {
Timothy Stack's avatar
 
Timothy Stack committed
177
    $areamap{$node} .= " area-$building:0";
Timothy Stack's avatar
 
Timothy Stack committed
178 179
}

180 181 182 183 184
#
# Read the features table for each type.
# 
$result = DBQueryFatal("select type, feature, weight from node_type_features");
while (my ($type, $feature, $weight) = $result->fetchrow()) {
185 186 187 188 189 190 191 192 193 194
    push(@{$typemap{$type}->{'FEATURES'}}, "$feature:$weight");
}

#
# Read the auxtypes for each type.
# 
$result = DBQueryFatal("select auxtype,type from node_types_auxtypes");
while (my ($auxtype,$type) = $result->fetchrow()) {
    $typemap{$type}->{'AUXTYPES'}->{$auxtype} = 1;
    $auxtypemap{$auxtype} = $type;
195 196
}

197 198 199 200 201 202 203 204 205 206 207 208
#
# Read the features table for each individual node
#
$result = DBQueryFatal("select node_id, feature, weight from node_features");
while (my ($node_id, $feature, $weight) = $result->fetchrow()) {
    if (! defined($features{$node_id})) {
	$features{$node_id} = ["$feature:$weight"];
	next;
    } else {
	push @{$features{$node_id}}, "$feature:$weight";
    }
}
209 210 211 212 213 214 215 216 217
#
# Read in the node_auxtypes table for each node.
#
$result = DBQueryFatal("select node_id, type, count from node_auxtypes");
while (my ($node_id, $type, $count) = $result->fetchrow()) {
    if (! defined($auxtypes{$node_id})) {
	$auxtypes{$node_id} = ["$type:$count"];
	next;
    }
218
    push @{$auxtypes{$node_id}}, "$type:$count";
219
}
220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
#
# Read the permission table if given a pid. If there is an entry in
# the table for a type/class, then permission is granted only if there
# is a record with the pid. If not, remove the permission granted above.
# 
if (defined($pid)) {
    $result =
	DBQueryFatal("select type from nodetypeXpid_permissions");
    
    while (my ($type) = $result->fetchrow_array) {
	$permissions{$type} = 0;
    }
    
    $result =
	DBQueryFatal("select type from nodetypeXpid_permissions ".
		     "where pid='$pid'");
    
    while (my ($type) = $result->fetchrow_array) {
	$permissions{$type} = 1;
    }
240 241
}

242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
#
# Read the table of which image types are supported on which hardware - we
# limit this to global images and ones that match the PID (if given) We do this
# limiting for two reasons:
# 1) To avoid an explosion in the number of features for nodes
# 2) To avoid information leaks, allowing projects to see each other's images
# 
my $osidquery = "select distinct o.osid, oi.type from os_info as o " .
	"left join osidtoimageid as oi on o.osid = oi.osid " .
	"left join images as i on oi.imageid = i.imageid ".
	"where i.global = 1";
if ($pid) {
    $osidquery .= " or i.pid='$pid'";
}

my %node_type_osids;
my %osid_node_types;
$result = DBQueryFatal($osidquery);
while (my ($osid,$type) = $result->fetchrow()) {
    if ($node_type_osids{$type}) {
	push @{$node_type_osids{$type}}, $osid;
    } else {
	$node_type_osids{$type} = [$osid];
    }
    #
    # We have to maintain a data structure telling us which types an OSID could
    # be on for use below with generic OSIDs
    #
    if ($osid_node_types{$osid}) {
	push @{$osid_node_types{$osid}}, $type;
    } else {
	$osid_node_types{$osid} = [$type];
    }
}

#
# We also have to resolve the 'generic' OSIDs, which use the nextosid field to
# redirect to another OSID
#
281
$result = DBQueryFatal("select osid from os_info where " .
282
    "nextosid is not null");
283
while (my ($osid) = $result->fetchrow()) {
284 285 286
    #
    # Check to see if they were allowed to use the real OSID
    #
287
    my $realosid = TBResolveNextOSID($osid, $pid, $exempt_eid);
288 289
    if ($osid_node_types{$realosid}) {
	foreach my $type (@{$osid_node_types{$realosid}}) {
290 291 292 293 294
	    push @{$node_type_osids{$type}}, $osid;
	}
    }
}

295
# Print switches
296
if (defined($switchtouse)) {
297
    print "node $switchtouse switch:1 *lan:*\n";
298 299 300 301 302 303 304
    $switches{$switchtouse} = 1;
}
else {
    $result =
	DBQueryFatal("select node_id from nodes where role = \"testswitch\"");

    while (($switch) = $result->fetchrow_array) {
305
	print "node $switch switch:1 *lan:*\n";
306 307
	$switches{$switch} = 1;
    }
308
}
309

310 311 312 313 314 315
#
# Get the global counts.
#
$result =
    DBQueryFatal("select phys_nodeid,count(phys_nodeid) from reserved as r ".
		 "left join nodes as n on n.node_id=r.node_id ".
316 317 318 319
		 "where n.node_id!=n.phys_nodeid ".
		 (defined($exempt_eid) ?
		  "and not (pid='$pid' and eid='$exempt_eid') " : " ") .
		 "group by phys_nodeid");
320 321 322 323
while (my ($node_id,$count) = $result->fetchrow_array) {
    $globalcounts{$node_id} = $count;
}

324
# Find available nodes.
325
#
326 327
# This first query deals with just local nodes. Local nodes can host
# virtnodes, according to the delay_capacity in the types table. 
328
#
329

330
# the ordinary free condition for a local node.
331 332
my $free_condition = "(b.node_id is null and ".
                     " (np.eventstate='" . TBDB_NODESTATE_ISUP . "' or ".
333
                     "  np.eventstate='" . TBDB_NODESTATE_PXEWAIT . "' or ".
334
                     "  np.eventstate='" . TBDB_NODESTATE_POWEROFF . "' or ".
335
                     "  np.eventstate='" . TBDB_NODESTATE_ALWAYSUP . "')) ";
336

337 338 339 340 341
if (defined($pid)) {
    $free_condition = "($free_condition and ".
	"(np.reserved_pid is null or np.reserved_pid='$pid'))";
}

342 343 344 345
# if the user has specified an exempt pid/eid, 
# then view any node which is reserved to that experiment as available.
if (defined($exempt_eid)) {
    $free_condition = "($free_condition or ".
346
	"(b.pid='$pid' and b.eid='$exempt_eid'))"; 
347
}
Chad Barb's avatar
Chad Barb committed
348

349 350 351 352 353 354
# If the user wants all nodes, we consider everything to be free (this
# overrides the other possible free conditions
if ($allnodes) {
    $free_condition = "1";
}

355
$result =
356
    DBQueryFatal("select a.node_id,a.type,a.phys_nodeid,t.class,t.issubnode," .
Timothy Stack's avatar
 
Timothy Stack committed
357
		 "a.def_boot_osid, (b.pid is not null and b.eid is not null), " .
358 359
		 "  np.reserved_pid is not null,np.eventstate, ".
		 "  np.battery_percentage ".
360
		 "from nodes as a ".
361 362
		 "left join reserved as b on a.node_id=b.node_id ".
		 "left join reserved as m on a.phys_nodeid=m.node_id ".
363
		 "left join nodes as np on a.phys_nodeid=np.node_id ".
364
		 "left join node_types as t on t.type=a.type ".
365
		 "where $free_condition and ".
366
		 "      (a.role='testnode' and t.isremotenode=0)");
Leigh B. Stoller's avatar
Leigh B. Stoller committed
367

368 369 370
#
# Scan the results, checking permissions and adding to the list
# You get to use a node type if no pid was specified (that is, you get
371 372 373
# to use all nodes), or if there is no entry in the perms table for
# the type/class of node.
#
Timothy Stack's avatar
 
Timothy Stack committed
374
while (($node,$type,$physnode,$class,$issubnode,$def_boot_osid,$reserved,
375
	$prereserved,$eventstate,$battery_perc) = $result->fetchrow_array) {
376 377 378
    $nodes{$node} = $type
	if (!defined($pid) ||
	    ($permissions{$type} && $permissions{$class}));
379 380 381
    if ($issubnode) {
	$subnode_of{$node} = $physnode;
    }
382
    $node_def_boot_osid{$node} = $def_boot_osid;
383 384 385 386 387 388

    if ($reserved) {
	$is_reserved{$node} = 1;
    } else {
	$is_reserved{$node} = 0;
    }
Timothy Stack's avatar
 
Timothy Stack committed
389 390

    $is_prereserved{$node} = $prereserved;
391 392 393

    $curr_state{$node} = $eventstate;
    $curr_batt{$node} = $battery_perc;
394
}
Leigh B. Stoller's avatar
Leigh B. Stoller committed
395

396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420
#
# Find out which nodes are connected to which, so that we can add some special
# features
#
$result = DBQueryFatal("SELECT DISTINCT node_id1, node_id2 " .
                       "  FROM wires");
my %connections = ();
while (my ($node_id1, $node_id2) = $result->fetchrow()) {
    foreach my $nodes ([$node_id1, $node_id2], [$node_id2, $node_id1]) {
        my ($node1, $node2) = @$nodes;
        if ($connections{$node1}) {
            # Check to see if we've already added this one (possible if the
            # nodes appeared in node1,node2 order, then node2,node1
            if (!grep(/^$node2$/, @{$connections{$node1}})) {
                push @{$connections{$node1}}, $node2;
            }
        } else {
            $connections{$node1} = [$node2];
        }
    }
}

#
# Loop through and print out all nodes
#
Leigh B. Stoller's avatar
Leigh B. Stoller committed
421
foreach $node (keys(%nodes)) {
422 423 424
    my $type  = $nodes{$node};
    my $class = $typemap{$type}->{'CLASS'};
    my $delay_capacity = $typemap{$type}->{'DELAYCAP'};
425
    my $simnode_capacity = $typemap{$type}->{'SIMCAP'};
426 427
    my $cpu_speed = $typemap{$type}->{'SPEED'};
    my $ram = $typemap{$type}->{'RAM'};
428
    my $trivspeed = $typemap{$type}->{'TRIVSPEED'};
429
    
430
    my @types = ("$type:1");
431 432
    my @features;
    my @flags;
433
    my $needvirtgoo = 0;
434

435 436 437 438 439
    # XXX temporary hack until node reboot avoidance 
    # is available. Nodes running the FBSD-NSE image
    # will have a feature def-osid-fbsd-nse 0.0
    # This is used by assign to prefer these pnodes
    # first before using others.
440 441
    if($node_def_boot_osid{$node} && ($node_def_boot_osid{$node} eq 
	TBOSID(TB_OPSPID, "FBSD-NSE"))) { 
442 443 444
	push(@features, "FBSD-NSE:0.0");
    }

445
    # Might be equal, which assign would sum as two, not one!
446 447
    if ($type ne $class) {
	push(@types, "$class:1");
448 449
    }

450
    if (defined($delay_capacity) && $delay_capacity > 0) {
451 452 453 454 455 456
	# Comes from the NS file;
	$delay_capacity = $delaycap_override
	    if (defined($delaycap_override) &&
		$delaycap_override > 0 &&
		$delaycap_override < $delay_capacity);
	
457
	push @types, "delay:$delay_capacity";
458
	push @types, "delay-${type}:$delay_capacity";
459
    }
460

461 462 463
    #
    # Add any auxiliary types
    #
464 465 466
    foreach my $auxinfo (@{$auxtypes{$node}}) {
	my ($auxtype,$count) = split(":", $auxinfo);
	my $realtype;
467

468 469 470
	# Map an auxtype back to its real type, unless it is a real type.
	if (defined($auxtypemap{$auxtype})) {
	    $realtype = $auxtypemap{$auxtype};
471 472
	}
	else {
473
	    $realtype = $auxtype;
474
	}
475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490

	if ($typemap{$realtype}->{'ISVIRT'} && $count > 0) {
	    next
		if (! $virtstuff);
		
	    if (defined($mfactor) && $mfactor <= $count) {
		$auxinfo = "$auxtype:$mfactor";
	    }
	    else {
		$auxinfo = "$auxtype:$count";
	    }
	    $needvirtgoo = 1;
	}
	push(@types, $auxinfo);
    }

Timothy Stack's avatar
 
Timothy Stack committed
491
    if (defined($areamap{$node})) {
Timothy Stack's avatar
 
Timothy Stack committed
492
	push @features, $areamap{$node};
Timothy Stack's avatar
 
Timothy Stack committed
493 494
    }

495
    my $cpu_ram_features_present = 0;
496 497 498 499
    #
    # This stuff is extra goo for local virtual nodes.
    # 
    if ($needvirtgoo) {
500
	push @types, "*lan:*";
501 502 503 504
	# Add trivial bw spec., but only if the node type has it
	if ($trivspeed) {
	    push @flags, "trivial_bw:$trivspeed";
	}
505
	# Add CPU and RAM information
506
	$cpu_ram_features_present++;
507 508
	# This number can be use for fine-tuning packing
	push @features, "?+virtpercent:100";
509
	# Put this silly feature in so that we can try to keep vnodes
510 511 512 513
	# on the same pnode they were before - but only if updating
        if ($exempt_eid) {
            push @features, "${node}:0.0";
        }
514 515
    }

516
    if ($simstuff && defined($simnode_capacity) && $simnode_capacity > 0) {
517 518 519 520 521 522 523 524 525
	#
	# Use user specified multiplex factor
	#
	if (defined($mfactor) && $mfactor <= $simnode_capacity) {
	    push @types, "sim:$mfactor";
	}
	else {
	    push @types, "sim:$simnode_capacity";
	}
526
	# Add CPU and RAM information
527
	$cpu_ram_features_present++;
528 529 530 531
	push @types, "*lan:*";
	# Add trivial bw spec.
	push @flags, "trivial_bw:100000";
    }
532 533 534 535
    if ($cpu_ram_features_present) {
	# Add CPU and RAM information
	push @features, "?+cpu:$cpu_speed";
	push @features, "?+ram:$ram";
536 537
	push @features, "?+cpupercent:92"; # XXX Hack
	push @features, "?+rampercent:80"; # XXX Hack
538
    }
539

540
    # Add features
541
    push(@features, @{$typemap{$type}->{'FEATURES'}});
542 543
    if (defined($features{$node})) {
	push @features, @{$features{$node}};
544 545
    }

546 547 548 549 550 551 552
    #
    # Add in features for all of the OSes that this node (as evidenced by its
    # type) can support
    #
    if ($node_type_osids{$type}) {
	push @features, map "OS-$_:0", @{$node_type_osids{$type}};
    }
553 554 555 556 557 558 559 560 561 562 563
    elsif (! $typemap{$type}->{'IMAGEABLE'} &&
	   defined($typemap{$type}->{'OSID'})) {
	#
	# If node is not imageable (and thus no entries in osidtoimageid,
	# then assume it always has its default OSID loaded and ready to
	# go, so that assign will agree to the allocation (assign_wrapper
	# adds a desire that says it has to be running the OSID the user
	# has selected, or the default OSID from the node_types table).
	#
	push @features, map "OS-$_:0", $typemap{$type}->{'OSID'};
    }
564

565 566 567 568 569 570 571 572
    # Add features indicating what this node has connections to
    if ($connections{$node}) {
        my @connected_to  = @{$connections{$node}};
        foreach my $other_end (@connected_to) {
            push(@features,"connected-to-$other_end:0.0");
        }
    }

573 574
    # This is for the case that we are modifying an existing experiment - tell
    # assign to prefer nodes the user has already allocated
575
    if ($exempt_eid && !$allnodes && $is_reserved{$node}) {
576 577 578
	push(@features,"already_reserved:0");
    }

Timothy Stack's avatar
 
Timothy Stack committed
579 580 581 582
    if ($is_prereserved{$node}) {
	push(@features,"prereserved:0.9");
    }

583 584 585 586 587 588 589 590 591
    # For robots, prefer ones that are already powered on and/or won't need to
    # be recharged soon.
    if (defined($curr_state{$node}) && ($curr_state{$node} eq TBDB_NODESTATE_POWEROFF)) {
	push(@features,"poweroff:0.9");
    }
    if (defined($curr_batt{$node})) {
	push(@features,"powerneeded:" . (1.0 - $curr_batt{$node} / 100.0));
    }

Leigh B. Stoller's avatar
Leigh B. Stoller committed
592 593 594 595 596 597 598 599
    # Add in modelnet stuff.
    if ($mnetcores) {
	push(@types, "modelnet-core:$mnetcores");
    }
    if ($mnetedges) {
	push(@types, "modelnet-edge:$mnetedges");
    }

600 601 602 603 604 605 606 607 608 609 610
    #
    # Handle subnodes
    #
    if ($subnode_of{$node}) {
	# We don't want to include subnodes unless their parent node is going
	# to be in the ptop file too
	if (!$nodes{$subnode_of{$node}}) {
	    # In fact, nuke it from %nodes so that we don't include its links,
	    # either
	    delete $nodes{$node};
	    next;
Leigh B. Stoller's avatar
Leigh B. Stoller committed
611
	}
612 613
	# Push the subnode's information into its flags
	push @flags, "subnode_of:$subnode_of{$node}";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
614
    }
615 616 617 618 619

    my $text = "node $node " . join(" ",@types) . " - " . join(" ",@features) .
	" - " . join(" ",@flags);


620
    print "$text\n";
Leigh B. Stoller's avatar
Leigh B. Stoller committed
621 622
}

623 624 625 626 627 628 629 630 631 632 633
#
# Widearea Nodes. Includes plab nodes. Note that widearea nodes are never
# allocated directly (they are in a holding experiment), but assign deals
# with it by allocating multiple vnodes on a pnode.
#
# The underlying physnode has to be "up", as determined by the
# autostatus stuff; this will prevent us from allocating a dead
# virtual node to an experiment.  This is especially hacky. We need
# another mechanism for this. We only add virtnodes when assign says
# we need them. This reduces the problem size for assign.
#
634 635 636 637
# The types we lay out are only those in the auxtypes table for the node,
# since that is where we define what vtypes are hosted on a particular
# physnode. 
#
638
if ($widearea) {
639 640 641 642 643 644 645 646 647 648 649 650
    #
    # Set up 'the Internet' as a fake switch that all widearea nodes can
    # talk to.
    # Some day, it may make sense to connect control net ports to this
    # switch.
    #
    my $fake_inet_switch = "internet";
    my @inet_protos = ("ipv4");
    print "node $fake_inet_switch ", join(" ",map("*$_:*",@inet_protos)), "\n";
    
    #
    # Note - there is currently an assumption in this query that widearea nodes
651
    # have only one control interface.
652
    #
653
    $result =
654
	DBQueryFatal("select n.node_id,nt.type,ns.status,r.pid,r.eid,wn.site,".
655
                     "i.iface,wn.bwlimit ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
656 657 658 659
		     "from nodes as n ".
		     "left join node_types as nt on nt.type=n.type ".
		     "left join reserved as r on r.node_id=n.node_id ".
		     "left join node_status as ns on ns.node_id=n.node_id ".
660
		     "left join widearea_nodeinfo as wn on ".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
661
		     "     wn.node_id=n.node_id ".
662
		     "left join interfaces as i on ".
663 664
		     "     n.node_id=i.node_id and ".
		     "     i.role='" . TBDB_IFACEROLE_CONTROL() . "'".
Leigh B. Stoller's avatar
Leigh B. Stoller committed
665 666
		     "where  (n.role='testnode' and nt.isremotenode=1 and ".
		     "        nt.isvirtnode=0)");
667
    
668
    while (($physnode,$ptype,$status,$mpid,$meid,$site,$iface,$bwlimit)
Leigh B. Stoller's avatar
Leigh B. Stoller committed
669
	   = $result->fetchrow_array) {
670
	my $class = $typemap{$ptype}->{'CLASS'};
671 672 673
	my @types;
	my @features;
	my @flags;
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688
	my $maxvnodes;

	#
	# Grab the global allocation count of vnodes on this pnode (if there
	# is one). This modifies the counts below.  If the count has already
	# been reached, then do not put this node into the ptop file.
	#
	$maxvnodes =
	    $typemap{$ptype}->{'TYPEINFO'}->GetAttribute("global_capacity");
	
	if (defined($maxvnodes) && exists($globalcounts{$physnode})) {
	    $maxvnodes -= $globalcounts{$physnode};
	    next
		if ($maxvnodes <= 0);
	}
689

690 691 692 693 694
	#
	# Mark any nodes that are not up with a feature, so that they won't
	# normally get assigned. We want to include them, though, because we
	# allow people to do fix-node to down nodes
	#
695 696
	if (($status && ($status ne 'up')) ||
	    ($mpid eq $DEADPID && $meid eq $DEADEID)) {
697 698 699
	    push @features, "down:1";
	}

700 701 702 703 704 705 706
	#
	# Mark which site this node belongs to
	#
	if ($site) {
	    push @features, "*&$site:$site_weight";
	}

707 708 709
	#
	# Add any auxiliary types.
	#
710 711
	foreach my $auxinfo (@{$auxtypes{$physnode}}) {
	    my ($auxtype,$count) = split(":", $auxinfo);
712

713 714 715
	    $count = $maxvnodes
		if (defined($maxvnodes) && $maxvnodes < $count);

Leigh B. Stoller's avatar
Leigh B. Stoller committed
716 717 718 719 720
	    if (defined($mfactor) && $mfactor <= $count) {
		$auxinfo = "$auxtype:$mfactor";
	    }
	    else {
		$auxinfo = "$auxtype:$count";
721
	    }
722
	    push(@types, $auxinfo);
723 724 725 726 727
	}

	# Add trivial bw spec.
	push @flags, "trivial_bw:400000";

728 729 730
	# Indicate that these nodes are beautiful and unique snowflakes
	push @flags, "unique";

731
	# Add features
732
	push(@features, @{$typemap{$ptype}->{'FEATURES'}});
733 734
	if (defined($features{$physnode})) {
	    push @features, @{$features{$physnode}};
735 736
	}

737 738 739 740 741 742 743 744
	#
	# Add in features for all of the OSes that this node (as evidenced by
	# its type) can support
	#
	if ($node_type_osids{$ptype}) {
	    push @features, map "OS-$_:0", @{$node_type_osids{$ptype}};
	}

745 746 747 748 749 750 751 752 753 754
        #
        # Put in a feature indicating whether or not this node has a bandwidth
        # cap
        #
        if (!defined($bwlimit) || $bwlimit eq "-1") {
	    push @features, "nobwlimit:0";
        } else {
	    push @features, "bwlimit:0";
        }

755 756 757 758 759
	my $text = "node $physnode " .
	           join(" ",@types) . " - " . join(" ",@features) .
		   " - " . join(" ",@flags);

	print "$text\n";
760 761 762 763 764 765 766 767 768 769 770 771

        #
        # Print out a link to the 'internet'.
        # Note - we make up a fake bandwidth. In the future, maybe we
        # could put something real in there.
        #
        if ($iface) {
            print "link link-$physnode:$iface-$fake_inet_switch:(null) ".
                "$physnode:$physnode/$iface $fake_inet_switch:(null) " .
                "100000 0 0 1 ".
                join(" ",@inet_protos). "\n";
        }
772 773 774
    }
}

775
# Read interfaces
776
$result = DBQueryFatal("SELECT node_id,card,port,iface,interface_type" .
777
		     " from interfaces");
778
while (($node,$card,$port,$iface,$type) = $result->fetchrow_array) {
779
    $interfacemap{"$node:$card:$port"} = $iface;
Chad Barb's avatar
 
Chad Barb committed
780
    if ((defined $type) && ($type ne "")) {
781 782 783 784
	$interfacetypes{"$node:$card:$port"} = $type;
    }
}

785 786 787 788 789 790 791 792 793 794 795 796 797 798 799
# Read interface types. First need to find the protocols an interface supports
# and then then the speed for each of those protocols.
# Note that we are going to assume anything attached to a switch is ethernet.
$result = DBQueryFatal("SELECT type,capkey,capval from interface_capabilities ".
		       "where capkey='protocols' or capkey like '%_defspeed'"); 
while (($type,$capkey,$capval) = $result->fetchrow_array) {
    if ($capkey eq "protocols") {
	$interfaceprotocols{$type} = [ split(",", $capval) ];
    }
    elsif ($capkey =~ /^([-\w]+)_defspeed$/) {
	$interfacespeeds{$type}{$1} = $capval;
    }
    else {
	die("Improper defspeed $capval for $type!\n");
    }
800 801
}

802 803 804 805 806 807 808 809 810 811
# Read interface switches
$result = DBQueryFatal("SELECT node_id1, iface, node_id2 FROM wires AS w " .
	"LEFT JOIN interfaces as i ON w.node_id1=i.node_id AND w.card1=i.card");
while (($node,$iface,$switch) = $result->fetchrow_array) {
    if ($node && $iface) {
	$interfaceswitches{"$node:$iface"} = $switch;
    }
}

# Read interface cards and ports
812 813 814 815 816 817 818
$result = DBQueryFatal("SELECT node_id, iface, card, port, IP ".
		       "FROM interfaces");

while (($node,$iface,$card,$port,$IP) = $result->fetchrow_array) {
    next
	if ($prune && $is_reserved{$node} && (!defined($IP) || $IP eq ""));

819 820 821
    $interfacecardports{"$node:$iface"} = [$card,$port];
}

822
$result = DBQueryFatal("SELECT node_id1,card1,port1,node_id2,card2,port2" .
823
 		    " from wires where type=\"Node\" or type=\"Trunk\"");
824
while (($node1,$card1,$port1,$node2,$card2,$port2) = 
825
       $result->fetchrow_array) {
826
    if ((defined($nodes{$node1}) || defined($switches{$node1})) && 
827
	(defined($nodes{$node2}) || defined($switches{$node2}))) {
828 829 830 831 832
        
        # Types for this link - for the time being, we assume that all
        # links are Ethernet, though this will certaily change later.
        my $basetype = "ethernet";

833 834
	$iface1 = get_iface($node1,$card1,$port1);
	$iface2 = get_iface($node2,$card2,$port2);
835 836 837 838
	$iface1bw = get_ifacebw($node1,$card1,$port1,$basetype);
	$iface2bw = get_ifacebw($node2,$card2,$port2,$basetype);

        my @types = ($basetype);
839 840 841 842

	next
	    if (! exists($interfacecardports{"$node1:$iface1"}));
	
843
	# XXX - This is a bad, bad hack - we  use our knowledge that in the
844
	# wires table links to the switch always come as node2.
845 846 847
	# Chris has something better on the way (storing the speed on the
	# switch side), so this is just a temp. hack.
	if (!defined($switches{$node1}) && defined($switches{$node2})) {
848 849
	    $bw = $iface1bw;
	} else {
850 851 852 853 854
	    if ($iface1bw < $iface2bw) {
		$bw = $iface1bw;
	    } else {
		$bw = $iface2bw;
	    }
855
	}
856
	if (defined($switches{$node2})) {
857 858
	    $used_switches{$node2} = 1;
	}
859 860 861 862 863 864 865 866
	if (defined($switches{$node1})) {
	    $used_switches{$node1} = 1;
	}
	if (defined($switches{$node1}) && defined($switches{$node2})) {
	    # interswitch link
	    if (defined($interconnects{"$node1:$node2"})) {
		$interconnects{"$node1:$node2"} += $bw;
	    } else {
867
		$interconnects{"$node1:$node2"} = new Math::BigInt $bw;
868 869
	    }
	} else {
870
            # Node-to-switch link
871 872
	    # !!! - Here we use our knowledge that in the wires table links
	    # to the switch always come as node2.
873 874 875 876 877 878 879 880 881 882 883 884 885 886

            # Come up with some other types for this link. The idea is that
            # it allows people to ask for links to specific switches, specific
            # interface types, etc.
            my $switch = get_ifaceswitch($node1,$iface1);
            if ($switch) {
                push @types, "$basetype-$switch";
            }
            if ($interfacetypes{"$node1:$card1:$port1"}) {
                push @types, "$basetype-" .
                    $interfacetypes{"$node1:$card1:$port1"};
            }
            push @types, "$basetype-$bw";

887
	    print "link link-$node1:$iface1-$node2:$iface2 $node1:$node1/$iface1" .
888
		" $node2:$iface2 $bw 0 0 1 " . join(" ",@types) . "\n";
889 890
	}
    } 
891
}
892 893 894 895 896 897 898 899 900

#
# If we're supposed to track interswitch bandwidth, subtract out the amount
# that's already in use
#
if ($TRACK_INTERSWITCH_BANDWIDTH) {
    #
    # Get a list of all VLANs
    #
901 902 903 904 905 906 907 908 909 910 911 912
    my @vlans;
    if (VLan->AllVLans(\@vlans) != 0) {
	die("*** $0:\n".
	    "    Unable to load VLANs for all experiments\n");
    }
    foreach my $vlan (@vlans) {
	my @members;

	if ($vlan->MemberList(\@members) != 0) {
	    die("*** $0:\n".
		"    Unable to load members for $vlan\n");
	}
913 914
	my %switches = ();
	foreach my $member (@members) {
915 916 917 918 919 920 921 922 923 924 925 926
	    my $node;
	    my $iface;

	    if ($member->GetNodeIface(\$node, \$iface) != 0) {
		die("*** $0:\n".
		    "    Missing attributes for $member in $vlan\n");
	    }
	    my $nodeid = $node->node_id();
	    
	    my $switch = get_ifaceswitch($nodeid,$iface);
	    my ($card, $port) = get_ifacecardport($nodeid,$iface);
	    my $bw = get_ifacebw($nodeid,$card,$port,"ethernet");
927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955
	    $switches{$switch} += $bw;
	}

	#
	# Check to see if more than one switch was found among the member
	# list, and if so, go through all the pairs
	#
	my @switches = keys %switches;
	if (@switches > 1) {
	    for (my $i = 0; $i < (@switches -1); $i++) {
		my $switch1 = $switches[$i];
		my $switch2 = $switches[$i+1];
		my $bw = $switches{$switch1};
		if ($switches{$switch2} < $bw) {
			$bw = $switches{$switch2};
		}
		#
		# The trunk link could be listed in either order
		#
		if ($interconnects{"$switch1:$switch2"}) {
		    $interconnects{"$switch1:$switch2"} -= $bw;
		} elsif ($interconnects{"$switch2:$switch1"}) {
		    $interconnects{"$switch2:$switch1"} -= $bw;
		}
	    }
	}
    }
}

956 957
foreach $interconnect (keys(%interconnects)) {
    ($src,$dst) = split(":",$interconnect);
958 959 960 961 962
    my $speed = $interconnects{$interconnect};
    # This is really dumb - BigInts like to print out with a leading '+',
    # which we don't want. Stript it off.
    $speed =~ s/^\+|-//;
    print "link link-$interconnect $src $dst $speed 0 0 1 ethernet\n";
963
}
964

965
#
966
# Fake switch. Hardwired for now. 
967
#
968
my @wireless_protos = ("80211", "80211a", "80211b", "80211g", "flex900");
969 970
my $fake_switch = "airswitch";
print "node $fake_switch ", join(" ",map("*$_:*",@wireless_protos)), "\n";
971

972 973
foreach my $interface (keys(%interfacetypes)) {
    my ($node,$card,$port) = split(":", $interface);
974

975 976
    next
    if (!defined($nodes{$node}));
977
	
978 979 980
    my $type    = $interfacetypes{$interface};
    my @protos  = @{ $interfaceprotocols{$type} };
    my $iface   = get_iface($node,$card,$port);
981

982 983 984 985 986 987 988 989
    #
    # Get the intersection of the protocols supported by this interface, and
    # the wireless protocols we know about
    #
    my (%union, %intersection);
    foreach $proto (@protos, @wireless_protos) {
	$union{$proto}++ && $intersection{$proto}++;
    }
990

991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006
    my @intersection = keys %intersection;

    #
    # Skip this interface if it speaks no wireless protocols
    #
    next unless @intersection;

    #
    # Find the max bandwidth supported by any of the wireless protocols
    # supported by this interface
    #
    my $max_bw = 0;
    foreach my $proto (@intersection) {
	my $ifacebw = get_ifacebw($node,$card,$port,$proto);
	if ($ifacebw > $max_bw) {
	    $max_bw = $ifacebw;
1007 1008
	}
    }
1009 1010 1011
    print "link link-$node:$iface-$fake_switch:(null) ".
	"$node:$node/$iface $fake_switch:(null) $max_bw 0 0 1 ".
	join(" ",@intersection). "\n";
1012 1013 1014 1015
}

exit(0);

1016 1017 1018 1019
# Print out links
sub get_iface {
    ($node,$card,$port) = @_;
    if (defined($interfacemap{"$node:$card:$port"})) {