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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.52 (); 15use Coro 3.61 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
… …
52our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
54 56
55our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
56our @EVENT; 58our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 59
59our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $TICK_WATCHER; 73our $TICK_WATCHER;
61our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 76our $NEXT_TICK;
64our $NOW; 77our $NOW;
… …
73our $RUNTIME; 86our $RUNTIME;
74 87
75our %PLAYER; # all users 88our %PLAYER; # all users
76our %MAP; # all maps 89our %MAP; # all maps
77our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83 91
84# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
87binmode STDOUT; 99binmode STDOUT;
88binmode STDERR; 100binmode STDERR;
89 101
90# read virtual server time, if available 102# read virtual server time, if available
91unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
93 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
94 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
95} 107}
96 108
97mkdir cf::localdir; 109mkdir $_
98mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99mkdir cf::localdir . "/" . cf::tmpdir;
100mkdir cf::localdir . "/" . cf::uniquedir;
101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
103 111
104our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
105 113
106sub cf::map::normalise; 114sub cf::map::normalise;
107 115
… …
118=item $cf::RUNTIME 126=item $cf::RUNTIME
119 127
120The time this server has run, starts at 0 and is increased by $cf::TICK on 128The time this server has run, starts at 0 and is increased by $cf::TICK on
121every server tick. 129every server tick.
122 130
123=item $cf::LIBDIR 131=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124 134
125The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
126be found. It will be added to C<@INC> automatically. 136directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137unique-items directory, player file directory, random maps directory and
138database environment.
127 139
128=item $cf::NOW 140=item $cf::NOW
129 141
130The time of the last (current) server tick. 142The time of the last (current) server tick.
131 143
132=item $cf::TICK 144=item $cf::TICK
133 145
134The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
135 157
136=item %cf::CFG 158=item %cf::CFG
137 159
138Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
139from wherever your confdir points to. 161from wherever your confdir points to.
140 162
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
142 164
143These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 166returns directly I<after> the tick processing (and consequently, can only wake one process
145processing has been done. Call C<< ->wait >> on them to maximise the 167per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146window of cpu time available, or simply to synchronise to the server tick.
147 168
148=back 169=back
149 170
150=cut 171=cut
151 172
152BEGIN { 173BEGIN {
153 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
154 my $msg = join "", @_; 175 my $msg = join "", @_;
155 utf8::encode $msg;
156 176
157 $msg .= "\n" 177 $msg .= "\n"
158 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
159 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
160 LOG llevError, $msg; 183 LOG llevError, $msg;
161 }; 184 };
162} 185}
163 186
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
192@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 193@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170 194
171# we bless all objects into (empty) derived classes to force a method lookup 195# we bless all objects into (empty) derived classes to force a method lookup
172# within the Safe compartment. 196# within the Safe compartment.
173for my $pkg (qw( 197for my $pkg (qw(
174 cf::global cf::attachable 198 cf::global cf::attachable
… …
234returned. 258returned.
235 259
236Lock names should begin with a unique identifier (for example, cf::map::find 260Lock names should begin with a unique identifier (for example, cf::map::find
237uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
238 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
239=cut 267=cut
240 268
241our %LOCK; 269our %LOCK;
242 270
243sub lock_wait($) { 271sub lock_wait($) {
… …
260 288
261 Coro::guard { 289 Coro::guard {
262 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
264 } 292 }
293}
294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
265} 299}
266 300
267sub freeze_mainloop { 301sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
269 303
… …
299 333
300sub sync_job(&) { 334sub sync_job(&) {
301 my ($job) = @_; 335 my ($job) = @_;
302 336
303 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
304 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
306 342
307 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
308 # (but this is cancel-safe) 344 # (but this is cancel-safe)
… …
319 355
320 while ($busy) { 356 while ($busy) {
321 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
322 } 358 }
323 359
360 $time = Event::time - $time;
361
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load
366
324 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
325 } else { 368 } else {
326 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
327 370
328 $job->() 371 $job->()
… …
348 391
349 $coro 392 $coro
350} 393}
351 394
352sub write_runtime { 395sub write_runtime {
396 my $runtime = "$LOCALDIR/runtime";
397
398 # first touch the runtime file to show we are still running:
399 # the fsync below can take a very very long time.
400
401 IO::AIO::aio_utime $runtime, undef, undef;
402
353 my $guard = cf::lock_acquire "write_runtime"; 403 my $guard = cf::lock_acquire "write_runtime";
354
355 my $runtime = cf::localdir . "/runtime";
356 404
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
358 or return; 406 or return;
359 407
360 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
… …
366 414
367 # always fsync - this file is important 415 # always fsync - this file is important
368 aio_fsync $fh 416 aio_fsync $fh
369 and return; 417 and return;
370 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
371 close $fh 422 close $fh
372 or return; 423 or return;
373 424
374 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
375 and return; 426 and return;
427
428 warn "runtime file written.\n";
376 429
377 1 430 1
378} 431}
379 432
380=item cf::datalog type => key => value, ... 433=item cf::datalog type => key => value, ...
… …
573 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
574 627
575 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 632
580 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 634 my $pkg = shift @arg;
582 635
583 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
… …
624 if (ref $_[0]) { 677 if (ref $_[0]) {
625 _object_attach @_; 678 _object_attach @_;
626 } else { 679 } else {
627 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
628 } 681 }
682 _recalc_want;
629}; 683};
630 684
631# all those should be optimised 685# all those should be optimised
632sub cf::attachable::detach { 686sub cf::attachable::detach {
633 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
… …
636 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
637 reattach ($obj); 691 reattach ($obj);
638 } else { 692 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
640 } 694 }
695 _recalc_want;
641}; 696};
642 697
643sub cf::attachable::attached { 698sub cf::attachable::attached {
644 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
645 700
… …
818 or return; 873 or return;
819 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
820 } 875 }
821 876
822 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
824 return ($data, $av); 879 return ($data, $av);
825} 880}
826 881
827############################################################################# 882#############################################################################
828# command handling &c 883# command handling &c
… …
955Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
956 1011
957=cut 1012=cut
958 1013
959sub playerdir($) { 1014sub playerdir($) {
960 cf::localdir 1015 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1017}
966 1018
967sub path($) { 1019sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
1088while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1089 1141
1090=cut 1142=cut
1091 1143
1092sub list_logins { 1144sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1146 or return [];
1095 1147
1096 my @logins; 1148 my @logins;
1097 1149
1098 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
… …
1253 my ($self, $merge) = @_; 1305 my ($self, $merge) = @_;
1254 1306
1255 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1256 local $self->{path}; 1308 local $self->{path};
1257 local $self->{load_path}; 1309 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260 1310
1261 $self->SUPER::thawer_merge ($merge); 1311 $self->SUPER::thawer_merge ($merge);
1262} 1312}
1263 1313
1264sub normalise { 1314sub normalise {
… …
1336 1386
1337# the original (read-only) location 1387# the original (read-only) location
1338sub load_path { 1388sub load_path {
1339 my ($self) = @_; 1389 my ($self) = @_;
1340 1390
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1391 "$MAPDIR/$self->{path}.map"
1342} 1392}
1343 1393
1344# the temporary/swap location 1394# the temporary/swap location
1345sub save_path { 1395sub save_path {
1346 my ($self) = @_; 1396 my ($self) = @_;
1347 1397
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1399 "$TMPDIR/$path.map"
1350} 1400}
1351 1401
1352# the unique path, undef == no special unique path 1402# the unique path, undef == no special unique path
1353sub uniq_path { 1403sub uniq_path {
1354 my ($self) = @_; 1404 my ($self) = @_;
1355 1405
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1407 "$UNIQUEDIR/$path"
1358} 1408}
1359 1409
1360# and all this just because we cannot iterate over 1410# and all this just because we cannot iterate over
1361# all maps in C++... 1411# all maps in C++...
1362sub change_all_map_light { 1412sub change_all_map_light {
1363 my ($change) = @_; 1413 my ($change) = @_;
1364 1414
1365 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1366 for grep $_->outdoor, values %cf::MAP; 1416 for grep $_->outdoor, values %cf::MAP;
1417}
1418
1419sub decay_objects {
1420 my ($self) = @_;
1421
1422 return if $self->{deny_reset};
1423
1424 $self->do_decay_objects;
1367} 1425}
1368 1426
1369sub unlink_save { 1427sub unlink_save {
1370 my ($self) = @_; 1428 my ($self) = @_;
1371 1429
… …
1429 $self->load_header_orig 1487 $self->load_header_orig
1430 or return; 1488 or return;
1431 $self->prepare_orig; 1489 $self->prepare_orig;
1432 } 1490 }
1433 1491
1492 $self->{deny_reset} = 1
1493 if $self->no_reset;
1494
1434 $self->default_region (cf::region::find_by_path $self->{path}) 1495 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region; 1496 unless $self->default_region;
1436 1497
1437 1 1498 1
1438} 1499}
… …
1453 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1454 1515
1455 $map->load_header 1516 $map->load_header
1456 or return; 1517 or return;
1457 1518
1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously 1520 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1461 $map->reset; 1522 $map->reset;
1462 undef $guard; 1523 undef $guard;
1463 return find $path; 1524 return find $path;
… …
1474 my ($self) = @_; 1535 my ($self) = @_;
1475 1536
1476 local $self->{deny_reset} = 1; # loading can take a long time 1537 local $self->{deny_reset} = 1; # loading can take a long time
1477 1538
1478 my $path = $self->{path}; 1539 my $path = $self->{path};
1540
1541 {
1479 my $guard = cf::lock_acquire "map_load:$path"; 1542 my $guard = cf::lock_acquire "map_load:$path";
1480 1543
1481 return if $self->in_memory != cf::MAP_SWAPPED; 1544 return if $self->in_memory != cf::MAP_SWAPPED;
1482 1545
1483 $self->in_memory (cf::MAP_LOADING); 1546 $self->in_memory (cf::MAP_LOADING);
1484 1547
1485 $self->alloc; 1548 $self->alloc;
1486 1549
1487 $self->pre_load; 1550 $self->pre_load;
1488
1489 $self->_load_objects ($self->{load_path}, 1)
1490 or return;
1491
1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493 if delete $self->{load_original};
1494
1495 if (my $uniq = $self->uniq_path) {
1496 utf8::encode $uniq;
1497 if (aio_open $uniq, O_RDONLY, 0) {
1498 $self->clear_unique_items;
1499 $self->_load_objects ($uniq, 0);
1500 }
1501 }
1502
1503 Coro::cede;
1504
1505 # now do the right thing for maps
1506 $self->link_multipart_objects;
1507
1508 unless ($self->{deny_activate}) {
1509 $self->decay_objects;
1510 $self->fix_auto_apply;
1511 $self->update_buttons;
1512 Coro::cede; 1551 Coro::cede;
1513 $self->set_darkness_map; 1552
1553 $self->_load_objects ($self->{load_path}, 1)
1554 or return;
1555
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557 if delete $self->{load_original};
1558
1559 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) {
1562 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0);
1564 }
1565 }
1566
1567 Coro::cede;
1568 # now do the right thing for maps
1569 $self->link_multipart_objects;
1514 $self->difficulty ($self->estimate_difficulty) 1570 $self->difficulty ($self->estimate_difficulty)
1515 unless $self->difficulty; 1571 unless $self->difficulty;
1516 Coro::cede; 1572 Coro::cede;
1573
1574 unless ($self->{deny_activate}) {
1575 $self->decay_objects;
1576 $self->fix_auto_apply;
1577 $self->update_buttons;
1578 Coro::cede;
1579 $self->set_darkness_map;
1580 Coro::cede;
1517 $self->activate; 1581 $self->activate;
1582 }
1583
1584 $self->in_memory (cf::MAP_IN_MEMORY);
1518 } 1585 }
1519 1586
1520 $self->post_load; 1587 $self->post_load;
1521
1522 $self->in_memory (cf::MAP_IN_MEMORY);
1523} 1588}
1524 1589
1525sub customise_for { 1590sub customise_for {
1526 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1527 1592
1528 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1529 if $self->per_player; 1594 if $self->per_player;
1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1530 1598
1531 $self 1599 $self
1532} 1600}
1533 1601
1534# find and load all maps in the 3x3 area around a map 1602# find and load all maps in the 3x3 area around a map
… …
1645 1713
1646sub reset_at { 1714sub reset_at {
1647 my ($self) = @_; 1715 my ($self) = @_;
1648 1716
1649 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1651 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1652 1719
1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1721 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655 1722
… …
1666 my ($self) = @_; 1733 my ($self) = @_;
1667 1734
1668 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1669 1736
1670 return if $self->players; 1737 return if $self->players;
1671 return if $self->isa ("ext::map_per_player");#d#
1672 1738
1673 warn "resetting map ", $self->path;#d# 1739 warn "resetting map ", $self->path;
1674 1740
1675 $self->in_memory (cf::MAP_SWAPPED); 1741 $self->in_memory (cf::MAP_SWAPPED);
1676 1742
1677 # need to save uniques path 1743 # need to save uniques path
1678 unless ($self->{deny_save}) { 1744 unless ($self->{deny_save}) {
… …
1718instantiated unique items. May block. 1784instantiated unique items. May block.
1719 1785
1720=cut 1786=cut
1721 1787
1722sub unique_maps() { 1788sub unique_maps() {
1723 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1789 my $files = aio_readdir $UNIQUEDIR
1724 or return; 1790 or return;
1725 1791
1726 my @paths; 1792 my @paths;
1727 1793
1728 for (@$files) { 1794 for (@$files) {
… …
1847 $self->deactivate_recursive; 1913 $self->deactivate_recursive;
1848 1914
1849 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1915 return if UNIVERSAL::isa $self->map, "ext::map_link";
1850 1916
1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1917 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852 if $self->map; 1918 if $self->map && $self->map->{path} ne "{link}";
1853 1919
1854 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1920 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1855} 1921}
1856 1922
1857sub cf::object::player::leave_link { 1923sub cf::object::player::leave_link {
1858 my ($self, $map, $x, $y) = @_; 1924 my ($self, $map, $x, $y) = @_;
1925
1926 return unless $self->contr->active;
1859 1927
1860 my $link_pos = delete $self->{_link_pos}; 1928 my $link_pos = delete $self->{_link_pos};
1861 1929
1862 unless ($map) { 1930 unless ($map) {
1863 # restore original map position 1931 # restore original map position
… …
1886 1954
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 1955 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888 $self->enter_map ($map, $x, $y); 1956 $self->enter_map ($map, $x, $y);
1889} 1957}
1890 1958
1891cf::player->attach (
1892 on_logout => sub {
1893 my ($pl) = @_;
1894
1895 # abort map switching before logout
1896 if ($pl->ob->{_link_pos}) {
1897 cf::sync_job {
1898 $pl->ob->leave_link
1899 };
1900 }
1901 },
1902 on_login => sub {
1903 my ($pl) = @_;
1904
1905 # try to abort aborted map switching on player login :)
1906 # should happen only on crashes
1907 if ($pl->ob->{_link_pos}) {
1908 $pl->ob->enter_link;
1909 (async {
1910 $pl->ob->reply (undef,
1911 "There was an internal problem at your last logout, "
1912 . "the server will try to bring you to your intended destination in a second.",
1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1916 Coro::Timer::sleep 1;
1917 $pl->ob->leave_link;
1918 })->prio (2);
1919 }
1920 },
1921);
1922
1923=item $player_object->goto ($path, $x, $y) 1959=item $player_object->goto ($path, $x, $y[, $check->($map)])
1924 1960
1961Moves the player to the given map-path and coordinates by first freezing
1962her, loading and preparing them map, calling the provided $check callback
1963that has to return the map if sucecssful, and then unfreezes the player on
1964the new (success) or old (failed) map position.
1965
1925=cut 1966=cut
1967
1968our $GOTOGEN;
1926 1969
1927sub cf::object::player::goto { 1970sub cf::object::player::goto {
1928 my ($self, $path, $x, $y) = @_; 1971 my ($self, $path, $x, $y, $check) = @_;
1972
1973 # do generation counting so two concurrent goto's will be executed in-order
1974 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929 1975
1930 $self->enter_link; 1976 $self->enter_link;
1931 1977
1932 (async { 1978 (async {
1933 my $map = eval { 1979 my $map = eval {
1934 my $map = cf::map::find $path; 1980 my $map = cf::map::find $path;
1981
1982 if ($map) {
1935 $map = $map->customise_for ($self) if $map; 1983 $map = $map->customise_for ($self);
1984 $map = $check->($map) if $check && $map;
1985 } else {
1986 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1987 }
1988
1936 $map 1989 $map
1990 };
1991
1992 if ($@) {
1993 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
1994 LOG llevError | logBacktrace, Carp::longmess $@;
1937 } or 1995 }
1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939 1996
1997 if ($gen == $self->{_goto_generation}) {
1998 delete $self->{_goto_generation};
1940 $self->leave_link ($map, $x, $y); 1999 $self->leave_link ($map, $x, $y);
2000 }
1941 })->prio (1); 2001 })->prio (1);
1942} 2002}
1943 2003
1944=item $player_object->enter_exit ($exit_object) 2004=item $player_object->enter_exit ($exit_object)
1945 2005
… …
1984 2044
1985 $rmp->{random_seed} ||= $exit->random_seed; 2045 $rmp->{random_seed} ||= $exit->random_seed;
1986 2046
1987 my $data = cf::to_json $rmp; 2047 my $data = cf::to_json $rmp;
1988 my $md5 = Digest::MD5::md5_hex $data; 2048 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2049 my $meta = "$RANDOMDIR/$md5.meta";
1990 2050
1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2051 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992 aio_write $fh, 0, (length $data), $data, 0; 2052 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh; 2053 undef $fh;
1994 aio_rename "$meta~", $meta; 2054 aio_rename "$meta~", $meta;
… …
2263############################################################################# 2323#############################################################################
2264 2324
2265=head2 EXTENSION DATABASE SUPPORT 2325=head2 EXTENSION DATABASE SUPPORT
2266 2326
2267Crossfire maintains a very simple database for extension use. It can 2327Crossfire maintains a very simple database for extension use. It can
2268currently store anything that can be serialised using Storable, which 2328currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2269excludes objects. 2329convert to/from binary).
2270 2330
2271The parameter C<$family> should best start with the name of the extension 2331The parameter C<$family> should best start with the name of the extension
2272using it, it should be unique. 2332using it, it should be unique.
2273 2333
2274=over 4 2334=over 4
… …
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2357 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!; 2358 cf::cleanup "db_open(db): $!" if $!;
2299 }; 2359 };
2300 cf::cleanup "db_open(db): $@" if $@; 2360 cf::cleanup "db_open(db): $@" if $@;
2301 }; 2361 };
2302
2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
2307
2308 cf::db_put (board => data => $pst->{board});
2309 cf::db_put (guildrules => data => $pst->{guildrules});
2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313 unlink $path;
2314 };
2315 }
2316 } 2362 }
2317} 2363}
2318 2364
2319sub db_get($$) { 2365sub db_get($$) {
2320 my $key = "$_[0]/$_[1]"; 2366 my $key = "$_[0]/$_[1]";
2321 2367
2322 cf::sync_job { 2368 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data; 2369 BDB::db_get $DB, undef, $key, my $data;
2324 2370
2325 $! ? () 2371 $! ? ()
2326 : Compress::LZF::sthaw $data 2372 : $data
2327 } 2373 }
2328} 2374}
2329 2375
2330sub db_put($$$) { 2376sub db_put($$$) {
2331 BDB::dbreq_pri 4; 2377 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2378 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379}
2380
2381=item cf::cache $id => [$paths...], $processversion => $process
2382
2383Generic caching function that returns the value of the resource $id,
2384caching and regenerating as required.
2385
2386This function can block.
2387
2388=cut
2389
2390sub cache {
2391 my ($id, $src, $processversion, $process) = @_;
2392
2393 my $meta =
2394 join "\x00",
2395 $processversion,
2396 map {
2397 aio_stat $_
2398 and Carp::croak "$_: $!";
2399
2400 ($_, (stat _)[7,9])
2401 } @$src;
2402
2403 my $dbmeta = db_get cache => "$id/meta";
2404 if ($dbmeta ne $meta) {
2405 # changed, we may need to process
2406
2407 my @data;
2408 my $md5;
2409
2410 for (0 .. $#$src) {
2411 0 <= aio_load $src->[$_], $data[$_]
2412 or Carp::croak "$src->[$_]: $!";
2413 }
2414
2415 # if processing is expensive, check
2416 # checksum first
2417 if (1) {
2418 $md5 =
2419 join "\x00",
2420 $processversion,
2421 map {
2422 Coro::cede;
2423 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2424 } 0.. $#$src;
2425
2426
2427 my $dbmd5 = db_get cache => "$id/md5";
2428 if ($dbmd5 eq $md5) {
2429 db_put cache => "$id/meta", $meta;
2430
2431 return db_get cache => "$id/data";
2432 }
2433 }
2434
2435 my $t1 = Time::HiRes::time;
2436 my $data = $process->(\@data);
2437 my $t2 = Time::HiRes::time;
2438
2439 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441 db_put cache => "$id/data", $data;
2442 db_put cache => "$id/md5" , $md5;
2443 db_put cache => "$id/meta", $meta;
2444
2445 return $data;
2446 }
2447
2448 db_get cache => "$id/data"
2449}
2450
2451=item fork_call { }, $args
2452
2453Executes the given code block with the given arguments in a seperate
2454process, returning the results. Everything must be serialisable with
2455Coro::Storable. May, of course, block. Note that the executed sub may
2456never block itself or use any form of Event handling.
2457
2458=cut
2459
2460sub fork_call(&@) {
2461 my ($cb, @args) = @_;
2462
2463# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464# or die "socketpair: $!";
2465 pipe my $fh1, my $fh2
2466 or die "pipe: $!";
2467
2468 if (my $pid = fork) {
2469 close $fh2;
2470
2471 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472 $res = Coro::Storable::thaw $res;
2473
2474 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476 die $$res unless "ARRAY" eq ref $res;
2477
2478 return wantarray ? @$res : $res->[-1];
2479 } else {
2480 reset_signals;
2481 local $SIG{__WARN__};
2482 local $SIG{__DIE__};
2483 eval {
2484 close $fh1;
2485
2486 my @res = eval { $cb->(@args) };
2487 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488 };
2489
2490 warn $@ if $@;
2491 _exit 0;
2492 }
2333} 2493}
2334 2494
2335############################################################################# 2495#############################################################################
2336# the server's init and main functions 2496# the server's init and main functions
2337 2497
2338sub load_facedata { 2498sub load_facedata($) {
2339 my $path = sprintf "%s/facedata", cf::datadir; 2499 my ($path) = @_;
2340 2500
2341 warn "loading facedata from $path\n"; 2501 warn "loading facedata from $path\n";
2342 2502
2343 my $facedata; 2503 my $facedata;
2344 0 < aio_load $path, $facedata 2504 0 < aio_load $path, $facedata
… …
2385 } 2545 }
2386 2546
2387 1 2547 1
2388} 2548}
2389 2549
2550sub reload_regions {
2551 load_resource_file "$MAPDIR/regions"
2552 or die "unable to load regions file\n";
2553}
2554
2555sub reload_facedata {
2556 load_facedata "$DATADIR/facedata"
2557 or die "unable to load facedata\n";
2558}
2559
2560sub reload_archetypes {
2561 load_resource_file "$DATADIR/archetypes"
2562 or die "unable to load archetypes\n";
2563}
2564
2565sub reload_treasures {
2566 load_resource_file "$DATADIR/treasures"
2567 or die "unable to load treasurelists\n";
2568}
2569
2390sub reload_resources { 2570sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2571 warn "reloading resource files...\n";
2392 or die "unable to load regions file\n";#d# 2572
2573 reload_regions;
2393 load_facedata 2574 reload_facedata;
2394 or die "unable to load facedata\n";#d# 2575 #reload_archetypes;#d#
2576 reload_archetypes;
2577 reload_treasures;
2578
2579 warn "finished reloading resource files\n";
2395} 2580}
2396 2581
2397sub init { 2582sub init {
2398 reload_resources; 2583 reload_resources;
2399} 2584}
2400 2585
2401sub cfg_load { 2586sub cfg_load {
2402 open my $fh, "<:utf8", cf::confdir . "/config" 2587 open my $fh, "<:utf8", "$CONFDIR/config"
2403 or return; 2588 or return;
2404 2589
2405 local $/; 2590 local $/;
2406 *CFG = YAML::Syck::Load <$fh>; 2591 *CFG = YAML::Syck::Load <$fh>;
2407 2592
… …
2492 2677
2493 warn Carp::longmess "post_cleanup backtrace" 2678 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core; 2679 if $make_core;
2495} 2680}
2496 2681
2497sub reload() { 2682sub do_reload_perl() {
2498 # can/must only be called in main 2683 # can/must only be called in main
2499 if ($Coro::current != $Coro::main) { 2684 if ($Coro::current != $Coro::main) {
2500 warn "can only reload from main coroutine"; 2685 warn "can only reload from main coroutine";
2501 return; 2686 return;
2502 } 2687 }
… …
2577 Symbol::delete_package "safe::$_" 2762 Symbol::delete_package "safe::$_"
2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2763 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579 2764
2580 warn "unloading cf.pm \"a bit\""; 2765 warn "unloading cf.pm \"a bit\"";
2581 delete $INC{"cf.pm"}; 2766 delete $INC{"cf.pm"};
2767 delete $INC{"cf/pod.pm"};
2582 2768
2583 # don't, removes xs symbols, too, 2769 # don't, removes xs symbols, too,
2584 # and global variables created in xs 2770 # and global variables created in xs
2585 #Symbol::delete_package __PACKAGE__; 2771 #Symbol::delete_package __PACKAGE__;
2586 2772
… …
2601 warn "reattaching attachments to maps"; 2787 warn "reattaching attachments to maps";
2602 reattach $_ for values %MAP; 2788 reattach $_ for values %MAP;
2603 warn "reattaching attachments to players"; 2789 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER; 2790 reattach $_ for values %PLAYER;
2605 2791
2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job"; 2792 warn "leaving sync_job";
2610 2793
2611 1 2794 1
2612 } or do { 2795 } or do {
2613 warn $@; 2796 warn $@;
… …
2618 warn "reloaded"; 2801 warn "reloaded";
2619}; 2802};
2620 2803
2621our $RELOAD_WATCHER; # used only during reload 2804our $RELOAD_WATCHER; # used only during reload
2622 2805
2806sub reload_perl() {
2807 # doing reload synchronously and two reloads happen back-to-back,
2808 # coro crashes during coro_state_free->destroy here.
2809
2810 $RELOAD_WATCHER ||= Event->timer (
2811 reentrant => 0,
2812 after => 0,
2813 data => WF_AUTOCANCEL,
2814 cb => sub {
2815 do_reload_perl;
2816 undef $RELOAD_WATCHER;
2817 },
2818 );
2819}
2820
2623register_command "reload" => sub { 2821register_command "reload" => sub {
2624 my ($who, $arg) = @_; 2822 my ($who, $arg) = @_;
2625 2823
2626 if ($who->flag (FLAG_WIZ)) { 2824 if ($who->flag (FLAG_WIZ)) {
2627 $who->message ("reloading server."); 2825 $who->message ("reloading server.");
2628 2826 async { reload_perl };
2629 # doing reload synchronously and two reloads happen back-to-back,
2630 # coro crashes during coro_state_free->destroy here.
2631
2632 $RELOAD_WATCHER ||= Event->timer (
2633 reentrant => 0,
2634 after => 0,
2635 data => WF_AUTOCANCEL,
2636 cb => sub {
2637 reload;
2638 undef $RELOAD_WATCHER;
2639 },
2640 );
2641 } 2827 }
2642}; 2828};
2643 2829
2644unshift @INC, $LIBDIR; 2830unshift @INC, $LIBDIR;
2645 2831
2646my $bug_warning = 0; 2832my $bug_warning = 0;
2647 2833
2834our @WAIT_FOR_TICK;
2835our @WAIT_FOR_TICK_BEGIN;
2836
2837sub wait_for_tick {
2838 return unless $TICK_WATCHER->is_active;
2839 return if $Coro::current == $Coro::main;
2840
2841 my $signal = new Coro::Signal;
2842 push @WAIT_FOR_TICK, $signal;
2843 $signal->wait;
2844}
2845
2846sub wait_for_tick_begin {
2847 return unless $TICK_WATCHER->is_active;
2848 return if $Coro::current == $Coro::main;
2849
2850 my $signal = new Coro::Signal;
2851 push @WAIT_FOR_TICK_BEGIN, $signal;
2852 $signal->wait;
2853}
2854
2855 my $min = 1e6;#d#
2856 my $avg = 10;
2648$TICK_WATCHER = Event->timer ( 2857$TICK_WATCHER = Event->timer (
2649 reentrant => 0, 2858 reentrant => 0,
2650 parked => 1, 2859 parked => 1,
2651 prio => 0, 2860 prio => 0,
2652 at => $NEXT_TICK || $TICK, 2861 at => $NEXT_TICK || $TICK,
… …
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2865 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10; 2866 unless ++$bug_warning > 10;
2658 return; 2867 return;
2659 } 2868 }
2660 2869
2661 $NOW = Event::time; 2870 $NOW = $tick_start = Event::time;
2662 2871
2663 cf::server_tick; # one server iteration 2872 cf::server_tick; # one server iteration
2873
2874 0 && sync_job {#d#
2875 for(1..10) {
2876 my $t = Event::time;
2877 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878 or die;
2879
2880 $map->width (50);
2881 $map->height (50);
2882 $map->alloc;
2883 $map->_load_objects ("/tmp/x.map", 1);
2884 my $t = Event::time - $t;
2885
2886 #next unless $t < 0.0013;#d#
2887 if ($t < $min) {
2888 $min = $t;
2889 }
2890 $avg = $avg * 0.99 + $t * 0.01;
2891 }
2892 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893 exit 0;
2894 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895 };
2896
2664 $RUNTIME += $TICK; 2897 $RUNTIME += $TICK;
2665 $NEXT_TICK += $TICK; 2898 $NEXT_TICK += $TICK;
2666 2899
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2900 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10; 2901 $NEXT_RUNTIME_WRITE = $NOW + 10;
… …
2670 write_runtime 2903 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!"; 2904 or warn "ERROR: unable to write runtime file: $!";
2672 }; 2905 };
2673 } 2906 }
2674 2907
2675 $WAIT_FOR_TICK->broadcast;
2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time; 2908# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d# 2909# warn $AFTER - $NOW;#d#
2680 2910
2911 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912 $sig->send;
2913 }
2914 while (my $sig = shift @WAIT_FOR_TICK) {
2915 $sig->send;
2916 }
2917
2918 $NOW = Event::time;
2919
2681 # if we are delayed by four ticks or more, skip them all 2920 # if we are delayed by four ticks or more, skip them all
2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2921 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2683 2922
2684 $TICK_WATCHER->at ($NEXT_TICK); 2923 $TICK_WATCHER->at ($NEXT_TICK);
2685 $TICK_WATCHER->start; 2924 $TICK_WATCHER->start;
2925
2926 $LOAD = ($NOW - $tick_start) / $TICK;
2927 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928
2929 _post_tick;
2930
2931
2686 }, 2932 },
2687); 2933);
2688 2934
2689{ 2935{
2690 BDB::max_poll_time $TICK * 0.1; 2936 BDB::max_poll_time $TICK * 0.1;
… …
2718 2964
2719 cf::sync_job { 2965 cf::sync_job {
2720 eval { 2966 eval {
2721 BDB::db_env_open 2967 BDB::db_env_open
2722 $DB_ENV, 2968 $DB_ENV,
2723 $BDB_ENV_DIR, 2969 $BDBDIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2970 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2971 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666; 2972 0666;
2727 2973
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2974 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729 2975
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2976 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect; 2977 $DB_ENV->set_lk_detect;
2732 }; 2978 };
2733 2979
… …
2749 prio => 6, 2995 prio => 6,
2750 cb => \&IO::AIO::poll_cb, 2996 cb => \&IO::AIO::poll_cb,
2751 ); 2997 );
2752} 2998}
2753 2999
3000my $_log_backtrace;
3001
3002sub _log_backtrace {
3003 my ($msg, @addr) = @_;
3004
3005 $msg =~ s/\n//;
3006
3007 # limit the # of concurrent backtraces
3008 if ($_log_backtrace < 2) {
3009 ++$_log_backtrace;
3010 async {
3011 my @bt = fork_call {
3012 @addr = map { sprintf "%x", $_ } @addr;
3013 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015 or die "addr2line: $!";
3016
3017 my @funcs;
3018 my @res = <$fh>;
3019 chomp for @res;
3020 while (@res) {
3021 my ($func, $line) = splice @res, 0, 2, ();
3022 push @funcs, "[$func] $line";
3023 }
3024
3025 @funcs
3026 };
3027
3028 LOG llevInfo, "[ABT] $msg\n";
3029 LOG llevInfo, "[ABT] $_\n" for @bt;
3030 --$_log_backtrace;
3031 };
3032 } else {
3033 LOG llevInfo, "[ABT] $msg\n";
3034 LOG llevInfo, "[ABT] [suppressed]\n";
3035 }
3036}
3037
3038# load additional modules
3039use cf::pod;
3040
2754END { cf::emergency_save } 3041END { cf::emergency_save }
2755 3042
27561 30431
2757 3044

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