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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 1.277 by root, Sun Jun 10 04:24:50 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}) {
… …
1710 $cf::MAP{$self->path} = $self; 1776 $cf::MAP{$self->path} = $self;
1711 1777
1712 $self->reset; # polite request, might not happen 1778 $self->reset; # polite request, might not happen
1713} 1779}
1714 1780
1781=item $maps = cf::map::tmp_maps
1782
1783Returns an arrayref with all map paths of currently instantiated and saved
1784maps. May block.
1785
1786=cut
1787
1788sub tmp_maps() {
1789 [
1790 map {
1791 utf8::decode $_;
1792 /\.map$/
1793 ? normalise $_
1794 : ()
1795 } @{ aio_readdir $TMPDIR or [] }
1796 ]
1797}
1798
1799=item $maps = cf::map::random_maps
1800
1801Returns an arrayref with all map paths of currently instantiated and saved
1802random maps. May block.
1803
1804=cut
1805
1806sub random_maps() {
1807 [
1808 map {
1809 utf8::decode $_;
1810 /\.map$/
1811 ? normalise "?random/$_"
1812 : ()
1813 } @{ aio_readdir $RANDOMDIR or [] }
1814 ]
1815}
1816
1715=item cf::map::unique_maps 1817=item cf::map::unique_maps
1716 1818
1717Returns an arrayref of paths of all shared maps that have 1819Returns an arrayref of paths of all shared maps that have
1718instantiated unique items. May block. 1820instantiated unique items. May block.
1719 1821
1720=cut 1822=cut
1721 1823
1722sub unique_maps() { 1824sub unique_maps() {
1723 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1825 [
1724 or return; 1826 map {
1725
1726 my @paths;
1727
1728 for (@$files) {
1729 utf8::decode $_; 1827 utf8::decode $_;
1730 next if /\.pst$/; 1828 /\.map$/
1731 next unless /^$PATH_SEP/o; 1829 ? normalise $_
1732 1830 : ()
1733 push @paths, cf::map::normalise $_; 1831 } @{ aio_readdir $UNIQUEDIR or [] }
1734 } 1832 ]
1735
1736 \@paths
1737} 1833}
1738 1834
1739package cf; 1835package cf;
1740 1836
1741=back 1837=back
… …
1847 $self->deactivate_recursive; 1943 $self->deactivate_recursive;
1848 1944
1849 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1945 return if UNIVERSAL::isa $self->map, "ext::map_link";
1850 1946
1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1947 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852 if $self->map; 1948 if $self->map && $self->map->{path} ne "{link}";
1853 1949
1854 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1950 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1855} 1951}
1856 1952
1857sub cf::object::player::leave_link { 1953sub cf::object::player::leave_link {
1858 my ($self, $map, $x, $y) = @_; 1954 my ($self, $map, $x, $y) = @_;
1955
1956 return unless $self->contr->active;
1859 1957
1860 my $link_pos = delete $self->{_link_pos}; 1958 my $link_pos = delete $self->{_link_pos};
1861 1959
1862 unless ($map) { 1960 unless ($map) {
1863 # restore original map position 1961 # restore original map position
… …
1886 1984
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 1985 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888 $self->enter_map ($map, $x, $y); 1986 $self->enter_map ($map, $x, $y);
1889} 1987}
1890 1988
1891cf::player->attach (
1892 on_logout => sub {
1893 my ($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) 1989=item $player_object->goto ($path, $x, $y[, $check->($map)])
1924 1990
1991Moves the player to the given map-path and coordinates by first freezing
1992her, loading and preparing them map, calling the provided $check callback
1993that has to return the map if sucecssful, and then unfreezes the player on
1994the new (success) or old (failed) map position.
1995
1925=cut 1996=cut
1997
1998our $GOTOGEN;
1926 1999
1927sub cf::object::player::goto { 2000sub cf::object::player::goto {
1928 my ($self, $path, $x, $y) = @_; 2001 my ($self, $path, $x, $y, $check) = @_;
2002
2003 # do generation counting so two concurrent goto's will be executed in-order
2004 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929 2005
1930 $self->enter_link; 2006 $self->enter_link;
1931 2007
1932 (async { 2008 (async {
1933 my $map = eval { 2009 my $map = eval {
1934 my $map = cf::map::find $path; 2010 my $map = cf::map::find $path;
2011
2012 if ($map) {
1935 $map = $map->customise_for ($self) if $map; 2013 $map = $map->customise_for ($self);
2014 $map = $check->($map) if $check && $map;
2015 } else {
2016 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2017 }
2018
1936 $map 2019 $map
2020 };
2021
2022 if ($@) {
2023 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2024 LOG llevError | logBacktrace, Carp::longmess $@;
1937 } or 2025 }
1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939 2026
2027 if ($gen == $self->{_goto_generation}) {
2028 delete $self->{_goto_generation};
1940 $self->leave_link ($map, $x, $y); 2029 $self->leave_link ($map, $x, $y);
2030 }
1941 })->prio (1); 2031 })->prio (1);
1942} 2032}
1943 2033
1944=item $player_object->enter_exit ($exit_object) 2034=item $player_object->enter_exit ($exit_object)
1945 2035
… …
1984 2074
1985 $rmp->{random_seed} ||= $exit->random_seed; 2075 $rmp->{random_seed} ||= $exit->random_seed;
1986 2076
1987 my $data = cf::to_json $rmp; 2077 my $data = cf::to_json $rmp;
1988 my $md5 = Digest::MD5::md5_hex $data; 2078 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2079 my $meta = "$RANDOMDIR/$md5.meta";
1990 2080
1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2081 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992 aio_write $fh, 0, (length $data), $data, 0; 2082 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh; 2083 undef $fh;
1994 aio_rename "$meta~", $meta; 2084 aio_rename "$meta~", $meta;
… …
2263############################################################################# 2353#############################################################################
2264 2354
2265=head2 EXTENSION DATABASE SUPPORT 2355=head2 EXTENSION DATABASE SUPPORT
2266 2356
2267Crossfire maintains a very simple database for extension use. It can 2357Crossfire maintains a very simple database for extension use. It can
2268currently store anything that can be serialised using Storable, which 2358currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2269excludes objects. 2359convert to/from binary).
2270 2360
2271The parameter C<$family> should best start with the name of the extension 2361The parameter C<$family> should best start with the name of the extension
2272using it, it should be unique. 2362using it, it should be unique.
2273 2363
2274=over 4 2364=over 4
… …
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2387 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!; 2388 cf::cleanup "db_open(db): $!" if $!;
2299 }; 2389 };
2300 cf::cleanup "db_open(db): $@" if $@; 2390 cf::cleanup "db_open(db): $@" if $@;
2301 }; 2391 };
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 } 2392 }
2317} 2393}
2318 2394
2319sub db_get($$) { 2395sub db_get($$) {
2320 my $key = "$_[0]/$_[1]"; 2396 my $key = "$_[0]/$_[1]";
2321 2397
2322 cf::sync_job { 2398 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data; 2399 BDB::db_get $DB, undef, $key, my $data;
2324 2400
2325 $! ? () 2401 $! ? ()
2326 : Compress::LZF::sthaw $data 2402 : $data
2327 } 2403 }
2328} 2404}
2329 2405
2330sub db_put($$$) { 2406sub db_put($$$) {
2331 BDB::dbreq_pri 4; 2407 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2408 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409}
2410
2411=item cf::cache $id => [$paths...], $processversion => $process
2412
2413Generic caching function that returns the value of the resource $id,
2414caching and regenerating as required.
2415
2416This function can block.
2417
2418=cut
2419
2420sub cache {
2421 my ($id, $src, $processversion, $process) = @_;
2422
2423 my $meta =
2424 join "\x00",
2425 $processversion,
2426 map {
2427 aio_stat $_
2428 and Carp::croak "$_: $!";
2429
2430 ($_, (stat _)[7,9])
2431 } @$src;
2432
2433 my $dbmeta = db_get cache => "$id/meta";
2434 if ($dbmeta ne $meta) {
2435 # changed, we may need to process
2436
2437 my @data;
2438 my $md5;
2439
2440 for (0 .. $#$src) {
2441 0 <= aio_load $src->[$_], $data[$_]
2442 or Carp::croak "$src->[$_]: $!";
2443 }
2444
2445 # if processing is expensive, check
2446 # checksum first
2447 if (1) {
2448 $md5 =
2449 join "\x00",
2450 $processversion,
2451 map {
2452 Coro::cede;
2453 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2454 } 0.. $#$src;
2455
2456
2457 my $dbmd5 = db_get cache => "$id/md5";
2458 if ($dbmd5 eq $md5) {
2459 db_put cache => "$id/meta", $meta;
2460
2461 return db_get cache => "$id/data";
2462 }
2463 }
2464
2465 my $t1 = Time::HiRes::time;
2466 my $data = $process->(\@data);
2467 my $t2 = Time::HiRes::time;
2468
2469 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471 db_put cache => "$id/data", $data;
2472 db_put cache => "$id/md5" , $md5;
2473 db_put cache => "$id/meta", $meta;
2474
2475 return $data;
2476 }
2477
2478 db_get cache => "$id/data"
2479}
2480
2481=item fork_call { }, $args
2482
2483Executes the given code block with the given arguments in a seperate
2484process, returning the results. Everything must be serialisable with
2485Coro::Storable. May, of course, block. Note that the executed sub may
2486never block itself or use any form of Event handling.
2487
2488=cut
2489
2490sub fork_call(&@) {
2491 my ($cb, @args) = @_;
2492
2493# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494# or die "socketpair: $!";
2495 pipe my $fh1, my $fh2
2496 or die "pipe: $!";
2497
2498 if (my $pid = fork) {
2499 close $fh2;
2500
2501 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502 $res = Coro::Storable::thaw $res;
2503
2504 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506 die $$res unless "ARRAY" eq ref $res;
2507
2508 return wantarray ? @$res : $res->[-1];
2509 } else {
2510 reset_signals;
2511 local $SIG{__WARN__};
2512 local $SIG{__DIE__};
2513 eval {
2514 close $fh1;
2515
2516 my @res = eval { $cb->(@args) };
2517 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518 };
2519
2520 warn $@ if $@;
2521 _exit 0;
2522 }
2333} 2523}
2334 2524
2335############################################################################# 2525#############################################################################
2336# the server's init and main functions 2526# the server's init and main functions
2337 2527
2338sub load_facedata { 2528sub load_facedata($) {
2339 my $path = sprintf "%s/facedata", cf::datadir; 2529 my ($path) = @_;
2340 2530
2341 warn "loading facedata from $path\n"; 2531 warn "loading facedata from $path\n";
2342 2532
2343 my $facedata; 2533 my $facedata;
2344 0 < aio_load $path, $facedata 2534 0 < aio_load $path, $facedata
… …
2385 } 2575 }
2386 2576
2387 1 2577 1
2388} 2578}
2389 2579
2580sub reload_regions {
2581 load_resource_file "$MAPDIR/regions"
2582 or die "unable to load regions file\n";
2583}
2584
2585sub reload_facedata {
2586 load_facedata "$DATADIR/facedata"
2587 or die "unable to load facedata\n";
2588}
2589
2590sub reload_archetypes {
2591 load_resource_file "$DATADIR/archetypes"
2592 or die "unable to load archetypes\n";
2593}
2594
2595sub reload_treasures {
2596 load_resource_file "$DATADIR/treasures"
2597 or die "unable to load treasurelists\n";
2598}
2599
2390sub reload_resources { 2600sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2601 warn "reloading resource files...\n";
2392 or die "unable to load regions file\n";#d# 2602
2603 reload_regions;
2393 load_facedata 2604 reload_facedata;
2394 or die "unable to load facedata\n";#d# 2605 #reload_archetypes;#d#
2606 reload_archetypes;
2607 reload_treasures;
2608
2609 warn "finished reloading resource files\n";
2395} 2610}
2396 2611
2397sub init { 2612sub init {
2398 reload_resources; 2613 reload_resources;
2399} 2614}
2400 2615
2401sub cfg_load { 2616sub cfg_load {
2402 open my $fh, "<:utf8", cf::confdir . "/config" 2617 open my $fh, "<:utf8", "$CONFDIR/config"
2403 or return; 2618 or return;
2404 2619
2405 local $/; 2620 local $/;
2406 *CFG = YAML::Syck::Load <$fh>; 2621 *CFG = YAML::Syck::Load <$fh>;
2407 2622
… …
2492 2707
2493 warn Carp::longmess "post_cleanup backtrace" 2708 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core; 2709 if $make_core;
2495} 2710}
2496 2711
2497sub reload() { 2712sub do_reload_perl() {
2498 # can/must only be called in main 2713 # can/must only be called in main
2499 if ($Coro::current != $Coro::main) { 2714 if ($Coro::current != $Coro::main) {
2500 warn "can only reload from main coroutine"; 2715 warn "can only reload from main coroutine";
2501 return; 2716 return;
2502 } 2717 }
… …
2577 Symbol::delete_package "safe::$_" 2792 Symbol::delete_package "safe::$_"
2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2793 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579 2794
2580 warn "unloading cf.pm \"a bit\""; 2795 warn "unloading cf.pm \"a bit\"";
2581 delete $INC{"cf.pm"}; 2796 delete $INC{"cf.pm"};
2797 delete $INC{"cf/pod.pm"};
2582 2798
2583 # don't, removes xs symbols, too, 2799 # don't, removes xs symbols, too,
2584 # and global variables created in xs 2800 # and global variables created in xs
2585 #Symbol::delete_package __PACKAGE__; 2801 #Symbol::delete_package __PACKAGE__;
2586 2802
… …
2601 warn "reattaching attachments to maps"; 2817 warn "reattaching attachments to maps";
2602 reattach $_ for values %MAP; 2818 reattach $_ for values %MAP;
2603 warn "reattaching attachments to players"; 2819 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER; 2820 reattach $_ for values %PLAYER;
2605 2821
2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job"; 2822 warn "leaving sync_job";
2610 2823
2611 1 2824 1
2612 } or do { 2825 } or do {
2613 warn $@; 2826 warn $@;
… …
2618 warn "reloaded"; 2831 warn "reloaded";
2619}; 2832};
2620 2833
2621our $RELOAD_WATCHER; # used only during reload 2834our $RELOAD_WATCHER; # used only during reload
2622 2835
2836sub reload_perl() {
2837 # doing reload synchronously and two reloads happen back-to-back,
2838 # coro crashes during coro_state_free->destroy here.
2839
2840 $RELOAD_WATCHER ||= Event->timer (
2841 reentrant => 0,
2842 after => 0,
2843 data => WF_AUTOCANCEL,
2844 cb => sub {
2845 do_reload_perl;
2846 undef $RELOAD_WATCHER;
2847 },
2848 );
2849}
2850
2623register_command "reload" => sub { 2851register_command "reload" => sub {
2624 my ($who, $arg) = @_; 2852 my ($who, $arg) = @_;
2625 2853
2626 if ($who->flag (FLAG_WIZ)) { 2854 if ($who->flag (FLAG_WIZ)) {
2627 $who->message ("reloading server."); 2855 $who->message ("reloading server.");
2628 2856 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 } 2857 }
2642}; 2858};
2643 2859
2644unshift @INC, $LIBDIR; 2860unshift @INC, $LIBDIR;
2645 2861
2646my $bug_warning = 0; 2862my $bug_warning = 0;
2647 2863
2864our @WAIT_FOR_TICK;
2865our @WAIT_FOR_TICK_BEGIN;
2866
2867sub wait_for_tick {
2868 return unless $TICK_WATCHER->is_active;
2869 return if $Coro::current == $Coro::main;
2870
2871 my $signal = new Coro::Signal;
2872 push @WAIT_FOR_TICK, $signal;
2873 $signal->wait;
2874}
2875
2876sub wait_for_tick_begin {
2877 return unless $TICK_WATCHER->is_active;
2878 return if $Coro::current == $Coro::main;
2879
2880 my $signal = new Coro::Signal;
2881 push @WAIT_FOR_TICK_BEGIN, $signal;
2882 $signal->wait;
2883}
2884
2885 my $min = 1e6;#d#
2886 my $avg = 10;
2648$TICK_WATCHER = Event->timer ( 2887$TICK_WATCHER = Event->timer (
2649 reentrant => 0, 2888 reentrant => 0,
2650 parked => 1, 2889 parked => 1,
2651 prio => 0, 2890 prio => 0,
2652 at => $NEXT_TICK || $TICK, 2891 at => $NEXT_TICK || $TICK,
… …
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2895 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10; 2896 unless ++$bug_warning > 10;
2658 return; 2897 return;
2659 } 2898 }
2660 2899
2661 $NOW = Event::time; 2900 $NOW = $tick_start = Event::time;
2662 2901
2663 cf::server_tick; # one server iteration 2902 cf::server_tick; # one server iteration
2903
2904 0 && sync_job {#d#
2905 for(1..10) {
2906 my $t = Event::time;
2907 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908 or die;
2909
2910 $map->width (50);
2911 $map->height (50);
2912 $map->alloc;
2913 $map->_load_objects ("/tmp/x.map", 1);
2914 my $t = Event::time - $t;
2915
2916 #next unless $t < 0.0013;#d#
2917 if ($t < $min) {
2918 $min = $t;
2919 }
2920 $avg = $avg * 0.99 + $t * 0.01;
2921 }
2922 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923 exit 0;
2924 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925 };
2926
2664 $RUNTIME += $TICK; 2927 $RUNTIME += $TICK;
2665 $NEXT_TICK += $TICK; 2928 $NEXT_TICK += $TICK;
2666 2929
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2930 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10; 2931 $NEXT_RUNTIME_WRITE = $NOW + 10;
… …
2670 write_runtime 2933 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!"; 2934 or warn "ERROR: unable to write runtime file: $!";
2672 }; 2935 };
2673 } 2936 }
2674 2937
2675 $WAIT_FOR_TICK->broadcast;
2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time; 2938# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d# 2939# warn $AFTER - $NOW;#d#
2680 2940
2941 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942 $sig->send;
2943 }
2944 while (my $sig = shift @WAIT_FOR_TICK) {
2945 $sig->send;
2946 }
2947
2948 $NOW = Event::time;
2949
2681 # if we are delayed by four ticks or more, skip them all 2950 # if we are delayed by four ticks or more, skip them all
2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2951 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2683 2952
2684 $TICK_WATCHER->at ($NEXT_TICK); 2953 $TICK_WATCHER->at ($NEXT_TICK);
2685 $TICK_WATCHER->start; 2954 $TICK_WATCHER->start;
2955
2956 $LOAD = ($NOW - $tick_start) / $TICK;
2957 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958
2959 _post_tick;
2960
2961
2686 }, 2962 },
2687); 2963);
2688 2964
2689{ 2965{
2690 BDB::max_poll_time $TICK * 0.1; 2966 BDB::max_poll_time $TICK * 0.1;
… …
2718 2994
2719 cf::sync_job { 2995 cf::sync_job {
2720 eval { 2996 eval {
2721 BDB::db_env_open 2997 BDB::db_env_open
2722 $DB_ENV, 2998 $DB_ENV,
2723 $BDB_ENV_DIR, 2999 $BDBDIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3000 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3001 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666; 3002 0666;
2727 3003
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3004 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729 3005
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3006 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect; 3007 $DB_ENV->set_lk_detect;
2732 }; 3008 };
2733 3009
… …
2749 prio => 6, 3025 prio => 6,
2750 cb => \&IO::AIO::poll_cb, 3026 cb => \&IO::AIO::poll_cb,
2751 ); 3027 );
2752} 3028}
2753 3029
3030my $_log_backtrace;
3031
3032sub _log_backtrace {
3033 my ($msg, @addr) = @_;
3034
3035 $msg =~ s/\n//;
3036
3037 # limit the # of concurrent backtraces
3038 if ($_log_backtrace < 2) {
3039 ++$_log_backtrace;
3040 async {
3041 my @bt = fork_call {
3042 @addr = map { sprintf "%x", $_ } @addr;
3043 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045 or die "addr2line: $!";
3046
3047 my @funcs;
3048 my @res = <$fh>;
3049 chomp for @res;
3050 while (@res) {
3051 my ($func, $line) = splice @res, 0, 2, ();
3052 push @funcs, "[$func] $line";
3053 }
3054
3055 @funcs
3056 };
3057
3058 LOG llevInfo, "[ABT] $msg\n";
3059 LOG llevInfo, "[ABT] $_\n" for @bt;
3060 --$_log_backtrace;
3061 };
3062 } else {
3063 LOG llevInfo, "[ABT] $msg\n";
3064 LOG llevInfo, "[ABT] [suppressed]\n";
3065 }
3066}
3067
3068# load additional modules
3069use cf::pod;
3070
2754END { cf::emergency_save } 3071END { cf::emergency_save }
2755 3072
27561 30731
2757 3074

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