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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 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;
23use Coro::Storable;
21 24
22use BDB (); 25use BDB ();
23use Data::Dumper; 26use Data::Dumper;
24use Digest::MD5; 27use Digest::MD5;
25use Fcntl; 28use Fcntl;
… …
28use Time::HiRes; 31use Time::HiRes;
29use Compress::LZF; 32use Compress::LZF;
30 33
31# configure various modules to our taste 34# configure various modules to our taste
32# 35#
36$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 39
36$Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
37 41
… …
50our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
52 56
53our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
54our @EVENT; 58our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 59
57our $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(!)
58our $TICK_WATCHER; 73our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 76our $NEXT_TICK;
62our $NOW; 77our $NOW;
… …
71our $RUNTIME; 86our $RUNTIME;
72 87
73our %PLAYER; # all users 88our %PLAYER; # all users
74our %MAP; # all maps 89our %MAP; # all maps
75our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 91
82# 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 ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
85binmode STDOUT; 99binmode STDOUT;
86binmode STDERR; 100binmode STDERR;
87 101
88# read virtual server time, if available 102# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
93} 107}
94 108
95mkdir cf::localdir; 109mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 111
102our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
103 113
104sub cf::map::normalise; 114sub cf::map::normalise;
105 115
… …
116=item $cf::RUNTIME 126=item $cf::RUNTIME
117 127
118The 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
119every server tick. 129every server tick.
120 130
121=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
122 134
123The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
124be 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.
125 139
126=item $cf::NOW 140=item $cf::NOW
127 141
128The time of the last (current) server tick. 142The time of the last (current) server tick.
129 143
130=item $cf::TICK 144=item $cf::TICK
131 145
132The 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.
133 157
134=item %cf::CFG 158=item %cf::CFG
135 159
136Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 161from wherever your confdir points to.
138 162
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
140 164
141These 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
142or 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
143processing 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.
144window of cpu time available, or simply to synchronise to the server tick.
145 168
146=back 169=back
147 170
148=cut 171=cut
149 172
150BEGIN { 173BEGIN {
151 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 175 my $msg = join "", @_;
153 utf8::encode $msg;
154 176
155 $msg .= "\n" 177 $msg .= "\n"
156 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
157 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
158 LOG llevError, $msg; 183 LOG llevError, $msg;
159 }; 184 };
160} 185}
161 186
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@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';
167@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)
168 194
169# 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
170# within the Safe compartment. 196# within the Safe compartment.
171for my $pkg (qw( 197for my $pkg (qw(
172 cf::global cf::attachable 198 cf::global cf::attachable
… …
232returned. 258returned.
233 259
234Lock 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
235uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
236 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
237=cut 267=cut
238 268
239our %LOCK; 269our %LOCK;
240 270
241sub lock_wait($) { 271sub lock_wait($) {
… …
258 288
259 Coro::guard { 289 Coro::guard {
260 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
262 } 292 }
293}
294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
263} 299}
264 300
265sub freeze_mainloop { 301sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
267 303
… …
297 333
298sub sync_job(&) { 334sub sync_job(&) {
299 my ($job) = @_; 335 my ($job) = @_;
300 336
301 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
302 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
304 342
305 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 344 # (but this is cancel-safe)
… …
317 355
318 while ($busy) { 356 while ($busy) {
319 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
320 } 358 }
321 359
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
322 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
323 } else { 368 } else {
324 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
325 370
326 $job->() 371 $job->()
… …
346 391
347 $coro 392 $coro
348} 393}
349 394
350sub 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
351 my $guard = cf::lock_acquire "write_runtime"; 403 my $guard = cf::lock_acquire "write_runtime";
352
353 my $runtime = cf::localdir . "/runtime";
354 404
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
356 or return; 406 or return;
357 407
358 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
… …
364 414
365 # always fsync - this file is important 415 # always fsync - this file is important
366 aio_fsync $fh 416 aio_fsync $fh
367 and return; 417 and return;
368 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
369 close $fh 422 close $fh
370 or return; 423 or return;
371 424
372 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
373 and return; 426 and return;
427
428 warn "runtime file written.\n";
374 429
375 1 430 1
376} 431}
377 432
378=item cf::datalog type => key => value, ... 433=item cf::datalog type => key => value, ...
… …
571 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
572 627
573 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 632
578 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 634 my $pkg = shift @arg;
580 635
581 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
… …
622 if (ref $_[0]) { 677 if (ref $_[0]) {
623 _object_attach @_; 678 _object_attach @_;
624 } else { 679 } else {
625 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
626 } 681 }
682 _recalc_want;
627}; 683};
628 684
629# all those should be optimised 685# all those should be optimised
630sub cf::attachable::detach { 686sub cf::attachable::detach {
631 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
… …
634 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
635 reattach ($obj); 691 reattach ($obj);
636 } else { 692 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
638 } 694 }
695 _recalc_want;
639}; 696};
640 697
641sub cf::attachable::attached { 698sub cf::attachable::attached {
642 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
643 700
… …
816 or return; 873 or return;
817 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
818 } 875 }
819 876
820 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
822 return ($data, $av); 879 return ($data, $av);
823} 880}
824 881
825############################################################################# 882#############################################################################
826# command handling &c 883# command handling &c
… …
953Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
954 1011
955=cut 1012=cut
956 1013
957sub playerdir($) { 1014sub playerdir($) {
958 cf::localdir 1015 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1017}
964 1018
965sub path($) { 1019sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
1086while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1087 1141
1088=cut 1142=cut
1089 1143
1090sub list_logins { 1144sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1092 or return []; 1146 or return [];
1093 1147
1094 my @logins; 1148 my @logins;
1095 1149
1096 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
… …
1157 my ($self, $type, %msg) = @_; 1211 my ($self, $type, %msg) = @_;
1158 1212
1159 $self->ns->ext_event ($type, %msg); 1213 $self->ns->ext_event ($type, %msg);
1160} 1214}
1161 1215
1162package cf; 1216=head3 cf::region
1217
1218=over 4
1219
1220=cut
1221
1222package cf::region;
1223
1224=item cf::region::find_by_path $path
1225
1226Tries to decuce the probable region for a map knowing only its path.
1227
1228=cut
1229
1230sub find_by_path($) {
1231 my ($path) = @_;
1232
1233 my ($match, $specificity);
1234
1235 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) {
1237 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity;
1239 }
1240 }
1241
1242 $match
1243}
1163 1244
1164=back 1245=back
1165
1166 1246
1167=head3 cf::map 1247=head3 cf::map
1168 1248
1169=over 4 1249=over 4
1170 1250
… …
1225 my ($self, $merge) = @_; 1305 my ($self, $merge) = @_;
1226 1306
1227 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1228 local $self->{path}; 1308 local $self->{path};
1229 local $self->{load_path}; 1309 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232 1310
1233 $self->SUPER::thawer_merge ($merge); 1311 $self->SUPER::thawer_merge ($merge);
1234} 1312}
1235 1313
1236sub normalise { 1314sub normalise {
… …
1308 1386
1309# the original (read-only) location 1387# the original (read-only) location
1310sub load_path { 1388sub load_path {
1311 my ($self) = @_; 1389 my ($self) = @_;
1312 1390
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1391 "$MAPDIR/$self->{path}.map"
1314} 1392}
1315 1393
1316# the temporary/swap location 1394# the temporary/swap location
1317sub save_path { 1395sub save_path {
1318 my ($self) = @_; 1396 my ($self) = @_;
1319 1397
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1399 "$TMPDIR/$path.map"
1322} 1400}
1323 1401
1324# the unique path, undef == no special unique path 1402# the unique path, undef == no special unique path
1325sub uniq_path { 1403sub uniq_path {
1326 my ($self) = @_; 1404 my ($self) = @_;
1327 1405
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1407 "$UNIQUEDIR/$path"
1330} 1408}
1331 1409
1332# and all this just because we cannot iterate over 1410# and all this just because we cannot iterate over
1333# all maps in C++... 1411# all maps in C++...
1334sub change_all_map_light { 1412sub change_all_map_light {
1335 my ($change) = @_; 1413 my ($change) = @_;
1336 1414
1337 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1338 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 $self->do_decay_objects;
1339} 1425}
1340 1426
1341sub unlink_save { 1427sub unlink_save {
1342 my ($self) = @_; 1428 my ($self) = @_;
1343 1429
… …
1401 $self->load_header_orig 1487 $self->load_header_orig
1402 or return; 1488 or return;
1403 $self->prepare_orig; 1489 $self->prepare_orig;
1404 } 1490 }
1405 1491
1492 $self->{deny_reset} = 1
1493 if $self->no_reset;
1494
1495 $self->default_region (cf::region::find_by_path $self->{path})
1496 unless $self->default_region;
1497
1406 1 1498 1
1407} 1499}
1408 1500
1409sub find; 1501sub find;
1410sub find { 1502sub find {
… …
1422 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1423 1515
1424 $map->load_header 1516 $map->load_header
1425 or return; 1517 or return;
1426 1518
1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously 1520 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1430 $map->reset; 1522 $map->reset;
1431 undef $guard; 1523 undef $guard;
1432 return find $path; 1524 return find $path;
… …
1443 my ($self) = @_; 1535 my ($self) = @_;
1444 1536
1445 local $self->{deny_reset} = 1; # loading can take a long time 1537 local $self->{deny_reset} = 1; # loading can take a long time
1446 1538
1447 my $path = $self->{path}; 1539 my $path = $self->{path};
1540
1541 {
1448 my $guard = cf::lock_acquire "map_load:$path"; 1542 my $guard = cf::lock_acquire "map_load:$path";
1449 1543
1450 return if $self->in_memory != cf::MAP_SWAPPED; 1544 return if $self->in_memory != cf::MAP_SWAPPED;
1451 1545
1452 $self->in_memory (cf::MAP_LOADING); 1546 $self->in_memory (cf::MAP_LOADING);
1453 1547
1454 $self->alloc; 1548 $self->alloc;
1455 1549
1456 $self->pre_load; 1550 $self->pre_load;
1457
1458 $self->_load_objects ($self->{load_path}, 1)
1459 or return;
1460
1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462 if delete $self->{load_original};
1463
1464 if (my $uniq = $self->uniq_path) {
1465 utf8::encode $uniq;
1466 if (aio_open $uniq, O_RDONLY, 0) {
1467 $self->clear_unique_items;
1468 $self->_load_objects ($uniq, 0);
1469 }
1470 }
1471
1472 Coro::cede;
1473
1474 # now do the right thing for maps
1475 $self->link_multipart_objects;
1476
1477 unless ($self->{deny_activate}) {
1478 $self->decay_objects;
1479 $self->fix_auto_apply;
1480 $self->update_buttons;
1481 Coro::cede; 1551 Coro::cede;
1482 $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;
1483 $self->difficulty ($self->estimate_difficulty) 1570 $self->difficulty ($self->estimate_difficulty)
1484 unless $self->difficulty; 1571 unless $self->difficulty;
1485 Coro::cede; 1572 Coro::cede;
1573
1574 unless ($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;
1486 $self->activate; 1581 $self->activate;
1582 }
1583
1584 $self->in_memory (cf::MAP_IN_MEMORY);
1487 } 1585 }
1488 1586
1489 $self->post_load; 1587 $self->post_load;
1490
1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492} 1588}
1493 1589
1494sub customise_for { 1590sub customise_for {
1495 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1496 1592
1497 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player; 1594 if $self->per_player;
1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1499 1598
1500 $self 1599 $self
1501} 1600}
1502 1601
1503# find and load all maps in the 3x3 area around a map 1602# find and load all maps in the 3x3 area around a map
… …
1614 1713
1615sub reset_at { 1714sub reset_at {
1616 my ($self) = @_; 1715 my ($self) = @_;
1617 1716
1618 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1620 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1621 1719
1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1721 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624 1722
… …
1635 my ($self) = @_; 1733 my ($self) = @_;
1636 1734
1637 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 1736
1639 return if $self->players; 1737 return if $self->players;
1640 return if $self->isa ("ext::map_per_player");#d#
1641 1738
1642 warn "resetting map ", $self->path;#d# 1739 warn "resetting map ", $self->path;
1643 1740
1644 $self->in_memory (cf::MAP_SWAPPED); 1741 $self->in_memory (cf::MAP_SWAPPED);
1645 1742
1646 # need to save uniques path 1743 # need to save uniques path
1647 unless ($self->{deny_save}) { 1744 unless ($self->{deny_save}) {
… …
1679 $cf::MAP{$self->path} = $self; 1776 $cf::MAP{$self->path} = $self;
1680 1777
1681 $self->reset; # polite request, might not happen 1778 $self->reset; # polite request, might not happen
1682} 1779}
1683 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
1684=item cf::map::unique_maps 1817=item cf::map::unique_maps
1685 1818
1686Returns an arrayref of paths of all shared maps that have 1819Returns an arrayref of paths of all shared maps that have
1687instantiated unique items. May block. 1820instantiated unique items. May block.
1688 1821
1689=cut 1822=cut
1690 1823
1691sub unique_maps() { 1824sub unique_maps() {
1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1825 [
1693 or return; 1826 map {
1694
1695 my @paths;
1696
1697 for (@$files) {
1698 utf8::decode $_; 1827 utf8::decode $_;
1699 next if /\.pst$/; 1828 /\.map$/
1700 next unless /^$PATH_SEP/o; 1829 ? normalise $_
1701 1830 : ()
1702 push @paths, cf::map::normalise $_; 1831 } @{ aio_readdir $UNIQUEDIR or [] }
1703 } 1832 ]
1704
1705 \@paths
1706} 1833}
1707 1834
1708package cf; 1835package cf;
1709 1836
1710=back 1837=back
… …
1816 $self->deactivate_recursive; 1943 $self->deactivate_recursive;
1817 1944
1818 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1945 return if UNIVERSAL::isa $self->map, "ext::map_link";
1819 1946
1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1947 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821 if $self->map; 1948 if $self->map && $self->map->{path} ne "{link}";
1822 1949
1823 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1950 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1824} 1951}
1825 1952
1826sub cf::object::player::leave_link { 1953sub cf::object::player::leave_link {
1827 my ($self, $map, $x, $y) = @_; 1954 my ($self, $map, $x, $y) = @_;
1955
1956 return unless $self->contr->active;
1828 1957
1829 my $link_pos = delete $self->{_link_pos}; 1958 my $link_pos = delete $self->{_link_pos};
1830 1959
1831 unless ($map) { 1960 unless ($map) {
1832 # restore original map position 1961 # restore original map position
… …
1855 1984
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 1985 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857 $self->enter_map ($map, $x, $y); 1986 $self->enter_map ($map, $x, $y);
1858} 1987}
1859 1988
1860cf::player->attach (
1861 on_logout => sub {
1862 my ($pl) = @_;
1863
1864 # abort map switching before logout
1865 if ($pl->ob->{_link_pos}) {
1866 cf::sync_job {
1867 $pl->ob->leave_link
1868 };
1869 }
1870 },
1871 on_login => sub {
1872 my ($pl) = @_;
1873
1874 # try to abort aborted map switching on player login :)
1875 # should happen only on crashes
1876 if ($pl->ob->{_link_pos}) {
1877 $pl->ob->enter_link;
1878 (async {
1879 $pl->ob->reply (undef,
1880 "There was an internal problem at your last logout, "
1881 . "the server will try to bring you to your intended destination in a second.",
1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1885 Coro::Timer::sleep 1;
1886 $pl->ob->leave_link;
1887 })->prio (2);
1888 }
1889 },
1890);
1891
1892=item $player_object->goto ($path, $x, $y) 1989=item $player_object->goto ($path, $x, $y[, $check->($map)])
1893 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
1894=cut 1996=cut
1997
1998our $GOTOGEN;
1895 1999
1896sub cf::object::player::goto { 2000sub cf::object::player::goto {
1897 my ($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;
1898 2005
1899 $self->enter_link; 2006 $self->enter_link;
1900 2007
1901 (async { 2008 (async {
1902 my $map = eval { 2009 my $map = eval {
1903 my $map = cf::map::find $path; 2010 my $map = cf::map::find $path;
2011
2012 if ($map) {
1904 $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
1905 $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 $@;
1906 } or 2025 }
1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908 2026
2027 if ($gen == $self->{_goto_generation}) {
2028 delete $self->{_goto_generation};
1909 $self->leave_link ($map, $x, $y); 2029 $self->leave_link ($map, $x, $y);
2030 }
1910 })->prio (1); 2031 })->prio (1);
1911} 2032}
1912 2033
1913=item $player_object->enter_exit ($exit_object) 2034=item $player_object->enter_exit ($exit_object)
1914 2035
… …
1953 2074
1954 $rmp->{random_seed} ||= $exit->random_seed; 2075 $rmp->{random_seed} ||= $exit->random_seed;
1955 2076
1956 my $data = cf::to_json $rmp; 2077 my $data = cf::to_json $rmp;
1957 my $md5 = Digest::MD5::md5_hex $data; 2078 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2079 my $meta = "$RANDOMDIR/$md5.meta";
1959 2080
1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2081 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961 aio_write $fh, 0, (length $data), $data, 0; 2082 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh; 2083 undef $fh;
1963 aio_rename "$meta~", $meta; 2084 aio_rename "$meta~", $meta;
… …
2232############################################################################# 2353#############################################################################
2233 2354
2234=head2 EXTENSION DATABASE SUPPORT 2355=head2 EXTENSION DATABASE SUPPORT
2235 2356
2236Crossfire maintains a very simple database for extension use. It can 2357Crossfire maintains a very simple database for extension use. It can
2237currently store anything that can be serialised using Storable, which 2358currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2238excludes objects. 2359convert to/from binary).
2239 2360
2240The parameter C<$family> should best start with the name of the extension 2361The parameter C<$family> should best start with the name of the extension
2241using it, it should be unique. 2362using it, it should be unique.
2242 2363
2243=over 4 2364=over 4
… …
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2387 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!; 2388 cf::cleanup "db_open(db): $!" if $!;
2268 }; 2389 };
2269 cf::cleanup "db_open(db): $@" if $@; 2390 cf::cleanup "db_open(db): $@" if $@;
2270 }; 2391 };
2271
2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2276
2277 cf::db_put (board => data => $pst->{board});
2278 cf::db_put (guildrules => data => $pst->{guildrules});
2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282 unlink $path;
2283 };
2284 }
2285 } 2392 }
2286} 2393}
2287 2394
2288sub db_get($$) { 2395sub db_get($$) {
2289 my $key = "$_[0]/$_[1]"; 2396 my $key = "$_[0]/$_[1]";
2290 2397
2291 cf::sync_job { 2398 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data; 2399 BDB::db_get $DB, undef, $key, my $data;
2293 2400
2294 $! ? () 2401 $! ? ()
2295 : Compress::LZF::sthaw $data 2402 : $data
2296 } 2403 }
2297} 2404}
2298 2405
2299sub db_put($$$) { 2406sub db_put($$$) {
2300 BDB::dbreq_pri 4; 2407 BDB::dbreq_pri 4;
2301 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 }
2302} 2523}
2303 2524
2304############################################################################# 2525#############################################################################
2305# the server's init and main functions 2526# the server's init and main functions
2306 2527
2307sub load_facedata { 2528sub load_facedata($) {
2308 my $path = sprintf "%s/facedata", cf::datadir; 2529 my ($path) = @_;
2309 2530
2310 warn "loading facedata from $path\n"; 2531 warn "loading facedata from $path\n";
2311 2532
2312 my $facedata; 2533 my $facedata;
2313 0 < aio_load $path, $facedata 2534 0 < aio_load $path, $facedata
2314 or die "$path: $!"; 2535 or die "$path: $!";
2315 2536
2316 Coro::cede;
2317 $facedata = Storable::thaw $facedata; 2537 $facedata = Coro::Storable::thaw $facedata;
2318 Coro::cede;
2319 2538
2320 $facedata->{version} == 2 2539 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed."; 2540 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322 2541
2323 { 2542 {
… …
2356 } 2575 }
2357 2576
2358 1 2577 1
2359} 2578}
2360 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
2361sub reload_resources { 2600sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2601 warn "reloading resource files...\n";
2363 or die "unable to load regions file\n";#d# 2602
2603 reload_regions;
2364 load_facedata 2604 reload_facedata;
2365 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";
2366} 2610}
2367 2611
2368sub init { 2612sub init {
2369 reload_resources; 2613 reload_resources;
2370} 2614}
2371 2615
2372sub cfg_load { 2616sub cfg_load {
2373 open my $fh, "<:utf8", cf::confdir . "/config" 2617 open my $fh, "<:utf8", "$CONFDIR/config"
2374 or return; 2618 or return;
2375 2619
2376 local $/; 2620 local $/;
2377 *CFG = YAML::Syck::Load <$fh>; 2621 *CFG = YAML::Syck::Load <$fh>;
2378 2622
… …
2463 2707
2464 warn Carp::longmess "post_cleanup backtrace" 2708 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core; 2709 if $make_core;
2466} 2710}
2467 2711
2468sub reload() { 2712sub do_reload_perl() {
2469 # can/must only be called in main 2713 # can/must only be called in main
2470 if ($Coro::current != $Coro::main) { 2714 if ($Coro::current != $Coro::main) {
2471 warn "can only reload from main coroutine"; 2715 warn "can only reload from main coroutine";
2472 return; 2716 return;
2473 } 2717 }
… …
2548 Symbol::delete_package "safe::$_" 2792 Symbol::delete_package "safe::$_"
2549 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);
2550 2794
2551 warn "unloading cf.pm \"a bit\""; 2795 warn "unloading cf.pm \"a bit\"";
2552 delete $INC{"cf.pm"}; 2796 delete $INC{"cf.pm"};
2797 delete $INC{"cf/pod.pm"};
2553 2798
2554 # don't, removes xs symbols, too, 2799 # don't, removes xs symbols, too,
2555 # and global variables created in xs 2800 # and global variables created in xs
2556 #Symbol::delete_package __PACKAGE__; 2801 #Symbol::delete_package __PACKAGE__;
2557 2802
… …
2572 warn "reattaching attachments to maps"; 2817 warn "reattaching attachments to maps";
2573 reattach $_ for values %MAP; 2818 reattach $_ for values %MAP;
2574 warn "reattaching attachments to players"; 2819 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER; 2820 reattach $_ for values %PLAYER;
2576 2821
2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job"; 2822 warn "leaving sync_job";
2581 2823
2582 1 2824 1
2583 } or do { 2825 } or do {
2584 warn $@; 2826 warn $@;
… …
2589 warn "reloaded"; 2831 warn "reloaded";
2590}; 2832};
2591 2833
2592our $RELOAD_WATCHER; # used only during reload 2834our $RELOAD_WATCHER; # used only during reload
2593 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
2594register_command "reload" => sub { 2851register_command "reload" => sub {
2595 my ($who, $arg) = @_; 2852 my ($who, $arg) = @_;
2596 2853
2597 if ($who->flag (FLAG_WIZ)) { 2854 if ($who->flag (FLAG_WIZ)) {
2598 $who->message ("reloading server."); 2855 $who->message ("reloading server.");
2599 2856 async { reload_perl };
2600 # doing reload synchronously and two reloads happen back-to-back,
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2608 reload;
2609 undef $RELOAD_WATCHER;
2610 },
2611 );
2612 } 2857 }
2613}; 2858};
2614 2859
2615unshift @INC, $LIBDIR; 2860unshift @INC, $LIBDIR;
2616 2861
2617my $bug_warning = 0; 2862my $bug_warning = 0;
2618 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;
2619$TICK_WATCHER = Event->timer ( 2887$TICK_WATCHER = Event->timer (
2620 reentrant => 0, 2888 reentrant => 0,
2621 parked => 1, 2889 parked => 1,
2622 prio => 0, 2890 prio => 0,
2623 at => $NEXT_TICK || $TICK, 2891 at => $NEXT_TICK || $TICK,
… …
2627 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"
2628 unless ++$bug_warning > 10; 2896 unless ++$bug_warning > 10;
2629 return; 2897 return;
2630 } 2898 }
2631 2899
2632 $NOW = Event::time; 2900 $NOW = $tick_start = Event::time;
2633 2901
2634 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
2635 $RUNTIME += $TICK; 2927 $RUNTIME += $TICK;
2636 $NEXT_TICK += $TICK; 2928 $NEXT_TICK += $TICK;
2637 2929
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2930 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10; 2931 $NEXT_RUNTIME_WRITE = $NOW + 10;
… …
2641 write_runtime 2933 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!"; 2934 or warn "ERROR: unable to write runtime file: $!";
2643 }; 2935 };
2644 } 2936 }
2645 2937
2646 $WAIT_FOR_TICK->broadcast;
2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time; 2938# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d# 2939# warn $AFTER - $NOW;#d#
2651 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
2652 # 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
2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2951 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654 2952
2655 $TICK_WATCHER->at ($NEXT_TICK); 2953 $TICK_WATCHER->at ($NEXT_TICK);
2656 $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
2657 }, 2962 },
2658); 2963);
2659 2964
2660{ 2965{
2661 BDB::max_poll_time $TICK * 0.1; 2966 BDB::max_poll_time $TICK * 0.1;
… …
2689 2994
2690 cf::sync_job { 2995 cf::sync_job {
2691 eval { 2996 eval {
2692 BDB::db_env_open 2997 BDB::db_env_open
2693 $DB_ENV, 2998 $DB_ENV,
2694 $BDB_ENV_DIR, 2999 $BDBDIR,
2695 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
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3001 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666; 3002 0666;
2698 3003
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3004 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700 3005
2701 $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);
2702 $DB_ENV->set_lk_detect; 3007 $DB_ENV->set_lk_detect;
2703 }; 3008 };
2704 3009
… …
2720 prio => 6, 3025 prio => 6,
2721 cb => \&IO::AIO::poll_cb, 3026 cb => \&IO::AIO::poll_cb,
2722 ); 3027 );
2723} 3028}
2724 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
2725END { cf::emergency_save } 3071END { cf::emergency_save }
2726 3072
27271 30731
2728 3074

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