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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 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;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
20use BDB (); 25use BDB ();
21use Data::Dumper; 26use Data::Dumper;
22use Digest::MD5; 27use Digest::MD5;
23use Fcntl; 28use Fcntl;
29use YAML::Syck ();
24use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 31use Time::HiRes;
27use Compress::LZF; 32use Compress::LZF;
28 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::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
30 39
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 41
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
37 44
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39 48
40our %COMMAND = (); 49our %COMMAND = ();
41our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
42 51
43our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 53our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
47 56
57our $RELOAD; # number of reloads so far
48our @EVENT; 58our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 59
51our $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(!)
52our $TICK_WATCHER; 73our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 76our $NEXT_TICK;
56our $NOW; 77our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 78our $USE_FSYNC = 1; # use fsync to write maps - default off
58 79
59our $BDB_POLL_WATCHER; 80our $BDB_POLL_WATCHER;
65our $RUNTIME; 86our $RUNTIME;
66 87
67our %PLAYER; # all users 88our %PLAYER; # all users
68our %MAP; # all maps 89our %MAP; # all maps
69our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 91
76# 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 ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
79binmode STDOUT; 99binmode STDOUT;
80binmode STDERR; 100binmode STDERR;
81 101
82# read virtual server time, if available 102# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
87} 107}
88 108
89mkdir cf::localdir; 109mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 111
96our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
97 113
98sub cf::map::normalise; 114sub cf::map::normalise;
99 115
110=item $cf::RUNTIME 126=item $cf::RUNTIME
111 127
112The 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
113every server tick. 129every server tick.
114 130
115=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
116 134
117The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 139
120=item $cf::NOW 140=item $cf::NOW
121 141
122The time of the last (current) server tick. 142The time of the last (current) server tick.
123 143
124=item $cf::TICK 144=item $cf::TICK
125 145
126The 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.
127 157
128=item %cf::CFG 158=item %cf::CFG
129 159
130Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 161from wherever your confdir points to.
132 162
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
134 164
135These 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
136or 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
137processing 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.
138window of cpu time available, or simply to synchronise to the server tick.
139 168
140=back 169=back
141 170
142=cut 171=cut
143 172
144BEGIN { 173BEGIN {
145 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 175 my $msg = join "", @_;
147 utf8::encode $msg;
148 176
149 $msg .= "\n" 177 $msg .= "\n"
150 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
151 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
152 LOG llevError, $msg; 183 LOG llevError, $msg;
153 }; 184 };
154} 185}
155 186
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@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';
161@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)
162 194
163# 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
164# within the Safe compartment. 196# within the Safe compartment.
165for my $pkg (qw( 197for my $pkg (qw(
166 cf::global cf::attachable 198 cf::global cf::attachable
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 235 $d
204 } || "[unable to dump $_[0]: '$@']"; 236 } || "[unable to dump $_[0]: '$@']";
205} 237}
206 238
207use JSON::Syck (); # TODO# replace by JSON::PC once working 239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208 240
209=item $ref = cf::from_json $json 241=item $ref = cf::from_json $json
210 242
211Converts a JSON string into the corresponding perl data structure. 243Converts a JSON string into the corresponding perl data structure.
212 244
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 245=item $json = cf::to_json $ref
221 246
222Converts a perl data structure into its JSON representation. 247Converts a perl data structure into its JSON representation.
223
224=cut
225
226sub to_json($) {
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228 JSON::Syck::Dump $_[0]
229}
230 248
231=item cf::lock_wait $string 249=item cf::lock_wait $string
232 250
233Wait until the given lock is available. See cf::lock_acquire. 251Wait until the given lock is available. See cf::lock_acquire.
234 252
240returned. 258returned.
241 259
242Lock 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
243uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
244 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
245=cut 267=cut
246 268
247our %LOCK; 269our %LOCK;
248 270
249sub lock_wait($) { 271sub lock_wait($) {
268 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
270 } 292 }
271} 293}
272 294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
299}
300
273sub freeze_mainloop { 301sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
275 303
276 my $guard = Coro::guard { 304 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 305 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 306 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 307 $TICK_WATCHER->stop;
282 $guard 308 $guard
283} 309}
284 310
285=item cf::async { BLOCK } 311=item cf::async { BLOCK }
307 333
308sub sync_job(&) { 334sub sync_job(&) {
309 my ($job) = @_; 335 my ($job) = @_;
310 336
311 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
312 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
314 342
315 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
316 # (but this is cancel-safe) 344 # (but this is cancel-safe)
327 355
328 while ($busy) { 356 while ($busy) {
329 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
330 } 358 }
331 359
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
332 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
333 } else { 368 } else {
334 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
335 370
336 $job->() 371 $job->()
356 391
357 $coro 392 $coro
358} 393}
359 394
360sub write_runtime { 395sub write_runtime {
361 my $runtime = cf::localdir . "/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
403 my $guard = cf::lock_acquire "write_runtime";
362 404
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 406 or return;
365 407
366 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
372 414
373 # always fsync - this file is important 415 # always fsync - this file is important
374 aio_fsync $fh 416 aio_fsync $fh
375 and return; 417 and return;
376 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
377 close $fh 422 close $fh
378 or return; 423 or return;
379 424
380 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
381 and return; 426 and return;
382 427
428 warn "runtime file written.\n";
429
383 1 430 1
431}
432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 442}
385 443
386=back 444=back
387 445
388=cut 446=cut
568 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
569 627
570 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 632
575 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 634 my $pkg = shift @arg;
577 635
578 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
619 if (ref $_[0]) { 677 if (ref $_[0]) {
620 _object_attach @_; 678 _object_attach @_;
621 } else { 679 } else {
622 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
623 } 681 }
682 _recalc_want;
624}; 683};
625 684
626# all those should be optimised 685# all those should be optimised
627sub cf::attachable::detach { 686sub cf::attachable::detach {
628 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
632 reattach ($obj); 691 reattach ($obj);
633 } else { 692 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
635 } 694 }
695 _recalc_want;
636}; 696};
637 697
638sub cf::attachable::attached { 698sub cf::attachable::attached {
639 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
640 700
787 } 847 }
788 } else { 848 } else {
789 aio_unlink $filename; 849 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 850 aio_unlink "$filename.pst";
791 } 851 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 852 }
799} 853}
800 854
801sub object_freezer_as_string { 855sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 856 my ($rdata, $objs) = @_;
808 862
809sub object_thawer_load { 863sub object_thawer_load {
810 my ($filename) = @_; 864 my ($filename) = @_;
811 865
812 my ($data, $av); 866 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 867
817 (aio_load $filename, $data) >= 0 868 (aio_load $filename, $data) >= 0
818 or return; 869 or return;
819 870
820 unless (aio_stat "$filename.pst") { 871 unless (aio_stat "$filename.pst") {
822 or return; 873 or return;
823 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
824 } 875 }
825 876
826 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
827 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
828 return ($data, $av); 879 return ($data, $av);
829} 880}
830 881
831############################################################################# 882#############################################################################
832# command handling &c 883# command handling &c
959Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
960 1011
961=cut 1012=cut
962 1013
963sub playerdir($) { 1014sub playerdir($) {
964 cf::localdir 1015 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 1017}
970 1018
971sub path($) { 1019sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 1021
974 (playerdir $login) . "/$login.pl" 1022 (playerdir $login) . "/playerdata"
975} 1023}
976 1024
977sub find_active($) { 1025sub find_active($) {
978 $cf::PLAYER{$_[0]} 1026 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 1027 and $cf::PLAYER{$_[0]}->active
992 my $login = $_[0]; 1040 my $login = $_[0];
993 1041
994 my $guard = cf::lock_acquire "user_find:$login"; 1042 my $guard = cf::lock_acquire "user_find:$login";
995 1043
996 $cf::PLAYER{$_[0]} || do { 1044 $cf::PLAYER{$_[0]} || do {
1045 # rename old playerfiles to new ones
1046 #TODO: remove when no longer required
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl";
1051
997 my $pl = load_pl path $login 1052 my $pl = load_pl path $login
998 or return; 1053 or return;
999 $cf::PLAYER{$login} = $pl 1054 $cf::PLAYER{$login} = $pl
1000 } 1055 }
1001 } 1056 }
1038 1093
1039=cut 1094=cut
1040 1095
1041sub quit_character { 1096sub quit_character {
1042 my ($pl) = @_; 1097 my ($pl) = @_;
1098
1099 my $name = $pl->ob->name;
1043 1100
1044 $pl->{deny_save} = 1; 1101 $pl->{deny_save} = 1;
1045 $pl->password ("*"); # this should lock out the player until we nuked the dir 1102 $pl->password ("*"); # this should lock out the player until we nuked the dir
1046 1103
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1052 my $path = playerdir $pl; 1109 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1110 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1111 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1112 delete $cf::PLAYER{$pl->ob->name};
1056 $pl->destroy; 1113 $pl->destroy;
1114
1115 my $prefix = qr<^~\Q$name\E/>;
1116
1117 # nuke player maps
1118 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1119
1057 IO::AIO::aio_rmtree $temp; 1120 IO::AIO::aio_rmtree $temp;
1121}
1122
1123=item $pl->kick
1124
1125Kicks a player out of the game. This destroys the connection.
1126
1127=cut
1128
1129sub kick {
1130 my ($pl, $kicker) = @_;
1131
1132 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1133 $pl->killer ("kicked");
1134 $pl->ns->destroy;
1058} 1135}
1059 1136
1060=item cf::player::list_logins 1137=item cf::player::list_logins
1061 1138
1062Returns am arrayref of all valid playernames in the system, can take a 1139Returns am arrayref of all valid playernames in the system, can take a
1063while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1064 1141
1065=cut 1142=cut
1066 1143
1067sub list_logins { 1144sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1146 or return [];
1070 1147
1071 my @logins; 1148 my @logins;
1072 1149
1073 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
1108 } 1185 }
1109 1186
1110 \@paths 1187 \@paths
1111} 1188}
1112 1189
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1190=item $player->ext_reply ($msgid, %msg)
1114 1191
1115Sends an ext reply to the player. 1192Sends an ext reply to the player.
1116 1193
1117=cut 1194=cut
1118 1195
1119sub ext_reply($$$%) { 1196sub ext_reply($$%) {
1120 my ($self, $id, %msg) = @_; 1197 my ($self, $id, %msg) = @_;
1121 1198
1122 $msg{msgid} = $id; 1199 $msg{msgid} = $id;
1123 1200
1124 $self->send ("ext " . cf::to_json \%msg); 1201 $self->send ("ext " . cf::to_json \%msg);
1125} 1202}
1126 1203
1127package cf; 1204=item $player->ext_event ($type, %msg)
1205
1206Sends an ext event to the client.
1207
1208=cut
1209
1210sub ext_event($$%) {
1211 my ($self, $type, %msg) = @_;
1212
1213 $self->ns->ext_event ($type, %msg);
1214}
1215
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}
1128 1244
1129=back 1245=back
1130
1131 1246
1132=head3 cf::map 1247=head3 cf::map
1133 1248
1134=over 4 1249=over 4
1135 1250
1190 my ($self, $merge) = @_; 1305 my ($self, $merge) = @_;
1191 1306
1192 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1193 local $self->{path}; 1308 local $self->{path};
1194 local $self->{load_path}; 1309 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197 1310
1198 $self->SUPER::thawer_merge ($merge); 1311 $self->SUPER::thawer_merge ($merge);
1199} 1312}
1200 1313
1201sub normalise { 1314sub normalise {
1273 1386
1274# the original (read-only) location 1387# the original (read-only) location
1275sub load_path { 1388sub load_path {
1276 my ($self) = @_; 1389 my ($self) = @_;
1277 1390
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1391 "$MAPDIR/$self->{path}.map"
1279} 1392}
1280 1393
1281# the temporary/swap location 1394# the temporary/swap location
1282sub save_path { 1395sub save_path {
1283 my ($self) = @_; 1396 my ($self) = @_;
1284 1397
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1399 "$TMPDIR/$path.map"
1287} 1400}
1288 1401
1289# the unique path, undef == no special unique path 1402# the unique path, undef == no special unique path
1290sub uniq_path { 1403sub uniq_path {
1291 my ($self) = @_; 1404 my ($self) = @_;
1292 1405
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1407 "$UNIQUEDIR/$path"
1295} 1408}
1296 1409
1297# and all this just because we cannot iterate over 1410# and all this just because we cannot iterate over
1298# all maps in C++... 1411# all maps in C++...
1299sub change_all_map_light { 1412sub change_all_map_light {
1301 1414
1302 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1303 for grep $_->outdoor, values %cf::MAP; 1416 for grep $_->outdoor, values %cf::MAP;
1304} 1417}
1305 1418
1419sub decay_objects {
1420 my ($self) = @_;
1421
1422 return if $self->{deny_reset};
1423
1424 $self->do_decay_objects;
1425}
1426
1306sub unlink_save { 1427sub unlink_save {
1307 my ($self) = @_; 1428 my ($self) = @_;
1308 1429
1309 utf8::encode (my $save = $self->save_path); 1430 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1431 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1432 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1433}
1318 1434
1319sub load_header_from($) { 1435sub load_header_from($) {
1320 my ($self, $path) = @_; 1436 my ($self, $path) = @_;
1321 1437
1371 $self->load_header_orig 1487 $self->load_header_orig
1372 or return; 1488 or return;
1373 $self->prepare_orig; 1489 $self->prepare_orig;
1374 } 1490 }
1375 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
1376 1 1498 1
1377} 1499}
1378 1500
1379sub find; 1501sub find;
1380sub find { 1502sub find {
1392 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1393 1515
1394 $map->load_header 1516 $map->load_header
1395 or return; 1517 or return;
1396 1518
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 1520 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1400 $map->reset; 1522 $map->reset;
1401 undef $guard; 1523 undef $guard;
1402 return find $path; 1524 return find $path;
1413 my ($self) = @_; 1535 my ($self) = @_;
1414 1536
1415 local $self->{deny_reset} = 1; # loading can take a long time 1537 local $self->{deny_reset} = 1; # loading can take a long time
1416 1538
1417 my $path = $self->{path}; 1539 my $path = $self->{path};
1540
1541 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 1542 my $guard = cf::lock_acquire "map_load:$path";
1419 1543
1420 return if $self->in_memory != cf::MAP_SWAPPED; 1544 return if $self->in_memory != cf::MAP_SWAPPED;
1421 1545
1422 $self->in_memory (cf::MAP_LOADING); 1546 $self->in_memory (cf::MAP_LOADING);
1423 1547
1424 $self->alloc; 1548 $self->alloc;
1425 1549
1426 $self->pre_load; 1550 $self->pre_load;
1427
1428 $self->_load_objects ($self->{load_path}, 1)
1429 or return;
1430
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432 if delete $self->{load_original};
1433
1434 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) {
1437 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0);
1439 }
1440 }
1441
1442 Coro::cede;
1443
1444 # now do the right thing for maps
1445 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede; 1551 Coro::cede;
1452 $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;
1453 $self->difficulty ($self->estimate_difficulty) 1570 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 1571 unless $self->difficulty;
1455 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;
1456 $self->activate; 1581 $self->activate;
1582 }
1583
1584 $self->in_memory (cf::MAP_IN_MEMORY);
1457 } 1585 }
1458 1586
1459 $self->post_load; 1587 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 1588}
1463 1589
1464sub customise_for { 1590sub customise_for {
1465 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1466 1592
1467 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 1594 if $self->per_player;
1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1469 1598
1470 $self 1599 $self
1471} 1600}
1472 1601
1473# 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
1584 1713
1585sub reset_at { 1714sub reset_at {
1586 my ($self) = @_; 1715 my ($self) = @_;
1587 1716
1588 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1591 1719
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 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;
1594 1722
1605 my ($self) = @_; 1733 my ($self) = @_;
1606 1734
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 1736
1609 return if $self->players; 1737 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 1738
1612 warn "resetting map ", $self->path;#d# 1739 warn "resetting map ", $self->path;
1740
1741 $self->in_memory (cf::MAP_SWAPPED);
1742
1743 # need to save uniques path
1744 unless ($self->{deny_save}) {
1745 my $uniq = $self->uniq_path; utf8::encode $uniq;
1746
1747 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1748 if $uniq;
1749 }
1613 1750
1614 delete $cf::MAP{$self->path}; 1751 delete $cf::MAP{$self->path};
1615 1752
1616 $self->in_memory (cf::MAP_SWAPPED);
1617 $self->clear; 1753 $self->clear;
1618 1754
1619 $_->clear_links_to ($self) for values %cf::MAP; 1755 $_->clear_links_to ($self) for values %cf::MAP;
1620 1756
1621 $self->unlink_save; 1757 $self->unlink_save;
1648instantiated unique items. May block. 1784instantiated unique items. May block.
1649 1785
1650=cut 1786=cut
1651 1787
1652sub unique_maps() { 1788sub unique_maps() {
1653 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1789 my $files = aio_readdir $UNIQUEDIR
1654 or return; 1790 or return;
1655 1791
1656 my @paths; 1792 my @paths;
1657 1793
1658 for (@$files) { 1794 for (@$files) {
1777 $self->deactivate_recursive; 1913 $self->deactivate_recursive;
1778 1914
1779 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1915 return if UNIVERSAL::isa $self->map, "ext::map_link";
1780 1916
1781 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1917 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782 if $self->map; 1918 if $self->map && $self->map->{path} ne "{link}";
1783 1919
1784 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1920 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1785} 1921}
1786 1922
1787sub cf::object::player::leave_link { 1923sub cf::object::player::leave_link {
1788 my ($self, $map, $x, $y) = @_; 1924 my ($self, $map, $x, $y) = @_;
1925
1926 return unless $self->contr->active;
1789 1927
1790 my $link_pos = delete $self->{_link_pos}; 1928 my $link_pos = delete $self->{_link_pos};
1791 1929
1792 unless ($map) { 1930 unless ($map) {
1793 # restore original map position 1931 # restore original map position
1811 $map->load; 1949 $map->load;
1812 $map->load_diag; 1950 $map->load_diag;
1813 1951
1814 return unless $self->contr->active; 1952 return unless $self->contr->active;
1815 $self->activate_recursive; 1953 $self->activate_recursive;
1954
1955 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816 $self->enter_map ($map, $x, $y); 1956 $self->enter_map ($map, $x, $y);
1817} 1957}
1818 1958
1819cf::player->attach (
1820 on_logout => sub {
1821 my ($pl) = @_;
1822
1823 # abort map switching before logout
1824 if ($pl->ob->{_link_pos}) {
1825 cf::sync_job {
1826 $pl->ob->leave_link
1827 };
1828 }
1829 },
1830 on_login => sub {
1831 my ($pl) = @_;
1832
1833 # try to abort aborted map switching on player login :)
1834 # should happen only on crashes
1835 if ($pl->ob->{_link_pos}) {
1836 $pl->ob->enter_link;
1837 (async {
1838 # we need this sleep as the login has a concurrent enter_exit running
1839 # and this sleep increases chances of the player not ending up in scorn
1840 $pl->ob->reply (undef,
1841 "There was an internal problem at your last logout, "
1842 . "the server will try to bring you to your intended destination in a second.",
1843 cf::NDI_RED);
1844 Coro::Timer::sleep 1;
1845 $pl->ob->leave_link;
1846 })->prio (2);
1847 }
1848 },
1849);
1850
1851=item $player_object->goto ($path, $x, $y) 1959=item $player_object->goto ($path, $x, $y[, $check->($map)])
1852 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
1853=cut 1966=cut
1967
1968our $GOTOGEN;
1854 1969
1855sub cf::object::player::goto { 1970sub cf::object::player::goto {
1856 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;
1857 1975
1858 $self->enter_link; 1976 $self->enter_link;
1859 1977
1860 (async { 1978 (async {
1861 my $map = eval { 1979 my $map = eval {
1862 my $map = cf::map::find $path; 1980 my $map = cf::map::find $path;
1981
1982 if ($map) {
1863 $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
1864 $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 $@;
1865 } or 1995 }
1866 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867 1996
1997 if ($gen == $self->{_goto_generation}) {
1998 delete $self->{_goto_generation};
1868 $self->leave_link ($map, $x, $y); 1999 $self->leave_link ($map, $x, $y);
2000 }
1869 })->prio (1); 2001 })->prio (1);
1870} 2002}
1871 2003
1872=item $player_object->enter_exit ($exit_object) 2004=item $player_object->enter_exit ($exit_object)
1873 2005
1912 2044
1913 $rmp->{random_seed} ||= $exit->random_seed; 2045 $rmp->{random_seed} ||= $exit->random_seed;
1914 2046
1915 my $data = cf::to_json $rmp; 2047 my $data = cf::to_json $rmp;
1916 my $md5 = Digest::MD5::md5_hex $data; 2048 my $md5 = Digest::MD5::md5_hex $data;
1917 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2049 my $meta = "$RANDOMDIR/$md5.meta";
1918 2050
1919 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2051 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920 aio_write $fh, 0, (length $data), $data, 0; 2052 aio_write $fh, 0, (length $data), $data, 0;
1921 undef $fh; 2053 undef $fh;
1922 aio_rename "$meta~", $meta; 2054 aio_rename "$meta~", $meta;
1931 2063
1932 return unless $self->type == cf::PLAYER; 2064 return unless $self->type == cf::PLAYER;
1933 2065
1934 if ($exit->slaying eq "/!") { 2066 if ($exit->slaying eq "/!") {
1935 #TODO: this should de-fi-ni-te-ly not be a sync-job 2067 #TODO: this should de-fi-ni-te-ly not be a sync-job
2068 # the problem is that $exit might not survive long enough
2069 # so it needs to be done right now, right here
1936 cf::sync_job { prepare_random_map $exit }; 2070 cf::sync_job { prepare_random_map $exit };
1937 } 2071 }
1938 2072
1939 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2073 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940 my $hp = $exit->stats->hp; 2074 my $hp = $exit->stats->hp;
1948 $self->goto ($slaying, $hp, $sp); 2082 $self->goto ($slaying, $hp, $sp);
1949 2083
1950 1; 2084 1;
1951 }) { 2085 }) {
1952 $self->message ("Something went wrong deep within the crossfire server. " 2086 $self->message ("Something went wrong deep within the crossfire server. "
1953 . "I'll try to bring you back to the map you were before. " 2087 . "I'll try to bring you back to the map you were before. "
1954 . "Please report this to the dungeon master!", 2088 . "Please report this to the dungeon master!",
1955 cf::NDI_UNIQUE | cf::NDI_RED); 2089 cf::NDI_UNIQUE | cf::NDI_RED);
1956 2090
1957 warn "ERROR in enter_exit: $@"; 2091 warn "ERROR in enter_exit: $@";
1958 $self->leave_link; 2092 $self->leave_link;
1959 } 2093 }
1960 })->prio (1); 2094 })->prio (1);
1973 2107
1974sub cf::client::send_drawinfo { 2108sub cf::client::send_drawinfo {
1975 my ($self, $text, $flags) = @_; 2109 my ($self, $text, $flags) = @_;
1976 2110
1977 utf8::encode $text; 2111 utf8::encode $text;
1978 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2112 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979} 2113}
1980 2114
2115=item $client->ext_event ($type, %msg)
2116
2117Sends an exti event to the client.
2118
2119=cut
2120
2121sub cf::client::ext_event($$%) {
2122 my ($self, $type, %msg) = @_;
2123
2124 $msg{msgtype} = "event_$type";
2125 $self->send_packet ("ext " . cf::to_json \%msg);
2126}
1981 2127
1982=item $success = $client->query ($flags, "text", \&cb) 2128=item $success = $client->query ($flags, "text", \&cb)
1983 2129
1984Queues a query to the client, calling the given callback with 2130Queues a query to the client, calling the given callback with
1985the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2131the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2082 2228
2083# here we export the classes and methods available to script code 2229# here we export the classes and methods available to script code
2084 2230
2085=pod 2231=pod
2086 2232
2087The following fucntions and emthods are available within a safe environment: 2233The following functions and methods are available within a safe environment:
2088 2234
2089 cf::object contr pay_amount pay_player map 2235 cf::object contr pay_amount pay_player map
2090 cf::object::player player 2236 cf::object::player player
2091 cf::player peaceful 2237 cf::player peaceful
2092 cf::map trigger 2238 cf::map trigger
2177############################################################################# 2323#############################################################################
2178 2324
2179=head2 EXTENSION DATABASE SUPPORT 2325=head2 EXTENSION DATABASE SUPPORT
2180 2326
2181Crossfire maintains a very simple database for extension use. It can 2327Crossfire maintains a very simple database for extension use. It can
2182currently store anything that can be serialised using Storable, which 2328currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2183excludes objects. 2329convert to/from binary).
2184 2330
2185The 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
2186using it, it should be unique. 2332using it, it should be unique.
2187 2333
2188=over 4 2334=over 4
2197 2343
2198=cut 2344=cut
2199 2345
2200our $DB; 2346our $DB;
2201 2347
2202sub db_load() { 2348sub db_init {
2203 unless ($DB) { 2349 unless ($DB) {
2204 $DB = BDB::db_create $DB_ENV; 2350 $DB = BDB::db_create $DB_ENV;
2205 2351
2206 cf::sync_job { 2352 cf::sync_job {
2207 eval { 2353 eval {
2211 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2357 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212 cf::cleanup "db_open(db): $!" if $!; 2358 cf::cleanup "db_open(db): $!" if $!;
2213 }; 2359 };
2214 cf::cleanup "db_open(db): $@" if $@; 2360 cf::cleanup "db_open(db): $@" if $@;
2215 }; 2361 };
2216
2217 my $path = cf::localdir . "/database.pst";
2218 if (stat $path) {
2219 cf::sync_job {
2220 my $pst = Storable::retrieve $path;
2221
2222 cf::db_put (board => data => $pst->{board});
2223 cf::db_put (guildrules => data => $pst->{guildrules});
2224 cf::db_put (rent => balance => $pst->{rent}{balance});
2225 BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227 unlink $path;
2228 };
2229 }
2230 } 2362 }
2231} 2363}
2232 2364
2233sub db_get($$) { 2365sub db_get($$) {
2234 my $key = "$_[0]/$_[1]"; 2366 my $key = "$_[0]/$_[1]";
2235 2367
2236 cf::sync_job { 2368 cf::sync_job {
2237 BDB::db_get $DB, undef, $key, my $data; 2369 BDB::db_get $DB, undef, $key, my $data;
2238 2370
2239 $! ? () 2371 $! ? ()
2240 : Compress::LZF::sthaw $data 2372 : $data
2241 } 2373 }
2242} 2374}
2243 2375
2244sub db_put($$$) { 2376sub db_put($$$) {
2245 BDB::dbreq_pri 4; 2377 BDB::dbreq_pri 4;
2246 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 }
2247} 2493}
2248 2494
2249############################################################################# 2495#############################################################################
2250# the server's init and main functions 2496# the server's init and main functions
2251 2497
2252sub load_resources { 2498sub load_facedata($) {
2253 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2499 my ($path) = @_;
2500
2501 warn "loading facedata from $path\n";
2502
2503 my $facedata;
2504 0 < aio_load $path, $facedata
2505 or die "$path: $!";
2506
2507 $facedata = Coro::Storable::thaw $facedata;
2508
2509 $facedata->{version} == 2
2510 or cf::cleanup "$path: version mismatch, cannot proceed.";
2511
2512 {
2513 my $faces = $facedata->{faceinfo};
2514
2515 while (my ($face, $info) = each %$faces) {
2516 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2517 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2518 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2519 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2520 Coro::cede;
2521 }
2522
2523 while (my ($face, $info) = each %$faces) {
2524 next unless $info->{smooth};
2525 my $idx = cf::face::find $face
2526 or next;
2527 if (my $smooth = cf::face::find $info->{smooth}) {
2528 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2529 } else {
2530 warn "smooth face '$info->{smooth}' not found for face '$face'";
2531 }
2532 Coro::cede;
2533 }
2534 }
2535
2536 {
2537 my $anims = $facedata->{animinfo};
2538
2539 while (my ($anim, $info) = each %$anims) {
2540 cf::anim::set $anim, $info->{frames}, $info->{facings};
2541 Coro::cede;
2542 }
2543
2544 cf::anim::invalidate_all; # d'oh
2545 }
2546
2547 1
2548}
2549
2550sub reload_regions {
2551 load_resource_file "$MAPDIR/regions"
2254 or die "unable to load regions file\n";#d# 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
2570sub reload_resources {
2571 warn "reloading resource files...\n";
2572
2573 reload_regions;
2574 reload_facedata;
2575 #reload_archetypes;#d#
2576 reload_archetypes;
2577 reload_treasures;
2578
2579 warn "finished reloading resource files\n";
2580}
2581
2582sub init {
2583 reload_resources;
2255} 2584}
2256 2585
2257sub cfg_load { 2586sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2587 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 2588 or return;
2260 2589
2261 local $/; 2590 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 2591 *CFG = YAML::Syck::Load <$fh>;
2263 2592
2271 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2600 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272 and die "WARNING: m(un)lockall failed: $!\n"; 2601 and die "WARNING: m(un)lockall failed: $!\n";
2273 }; 2602 };
2274 warn $@ if $@; 2603 warn $@ if $@;
2275 } 2604 }
2276}
2277
2278sub init {
2279 load_resources;
2280} 2605}
2281 2606
2282sub main { 2607sub main {
2283 # we must not ever block the main coroutine 2608 # we must not ever block the main coroutine
2284 local $Coro::idle = sub { 2609 local $Coro::idle = sub {
2287 Event::one_event; 2612 Event::one_event;
2288 })->prio (Coro::PRIO_MAX); 2613 })->prio (Coro::PRIO_MAX);
2289 }; 2614 };
2290 2615
2291 cfg_load; 2616 cfg_load;
2292 db_load; 2617 db_init;
2293 load_extensions; 2618 load_extensions;
2294 2619
2295 $TICK_WATCHER->start; 2620 $TICK_WATCHER->start;
2296 Event::loop; 2621 Event::loop;
2297} 2622}
2345 }; 2670 };
2346 2671
2347 warn "leave emergency perl save\n"; 2672 warn "leave emergency perl save\n";
2348} 2673}
2349 2674
2675sub post_cleanup {
2676 my ($make_core) = @_;
2677
2678 warn Carp::longmess "post_cleanup backtrace"
2679 if $make_core;
2680}
2681
2350sub reload() { 2682sub do_reload_perl() {
2351 # can/must only be called in main 2683 # can/must only be called in main
2352 if ($Coro::current != $Coro::main) { 2684 if ($Coro::current != $Coro::main) {
2353 warn "can only reload from main coroutine"; 2685 warn "can only reload from main coroutine";
2354 return; 2686 return;
2355 } 2687 }
2356 2688
2357 warn "reloading..."; 2689 warn "reloading...";
2358 2690
2359 warn "cancelling server ticker"; 2691 warn "entering sync_job";
2360 $TICK_WATCHER->cancel;
2361 2692
2693 cf::sync_job {
2694 cf::write_runtime; # external watchdog should not bark
2362 cf::emergency_save; 2695 cf::emergency_save;
2696 cf::write_runtime; # external watchdog should not bark
2363 2697
2364 eval { 2698 warn "syncing database to disk";
2699 BDB::db_env_txn_checkpoint $DB_ENV;
2700
2365 # if anything goes wrong in here, we should simply crash as we already saved 2701 # if anything goes wrong in here, we should simply crash as we already saved
2366 2702
2367 warn "cancelling all WF_AUTOCANCEL watchers"; 2703 warn "cancelling all WF_AUTOCANCEL watchers";
2368 for (Event::all_watchers) { 2704 for (Event::all_watchers) {
2369 $_->cancel if $_->data & WF_AUTOCANCEL; 2705 $_->cancel if $_->data & WF_AUTOCANCEL;
2370 } 2706 }
2371
2372 warn "syncing database to disk";
2373 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374 2707
2375 warn "flushing outstanding aio requests"; 2708 warn "flushing outstanding aio requests";
2376 for (;;) { 2709 for (;;) {
2377 BDB::flush; 2710 BDB::flush;
2378 IO::AIO::flush; 2711 IO::AIO::flush;
2379 Coro::cede; 2712 Coro::cede;
2380 last unless IO::AIO::nreqs || BDB::nreqs; 2713 last unless IO::AIO::nreqs || BDB::nreqs;
2381 warn "iterate..."; 2714 warn "iterate...";
2382 } 2715 }
2383 2716
2717 ++$RELOAD;
2718
2384 warn "cancelling all extension coros"; 2719 warn "cancelling all extension coros";
2385 $_->cancel for values %EXT_CORO; 2720 $_->cancel for values %EXT_CORO;
2386 %EXT_CORO = (); 2721 %EXT_CORO = ();
2387 2722
2388 warn "removing commands"; 2723 warn "removing commands";
2427 Symbol::delete_package "safe::$_" 2762 Symbol::delete_package "safe::$_"
2428 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);
2429 2764
2430 warn "unloading cf.pm \"a bit\""; 2765 warn "unloading cf.pm \"a bit\"";
2431 delete $INC{"cf.pm"}; 2766 delete $INC{"cf.pm"};
2767 delete $INC{"cf/pod.pm"};
2432 2768
2433 # don't, removes xs symbols, too, 2769 # don't, removes xs symbols, too,
2434 # and global variables created in xs 2770 # and global variables created in xs
2435 #Symbol::delete_package __PACKAGE__; 2771 #Symbol::delete_package __PACKAGE__;
2436 2772
2440 require cf; 2776 require cf;
2441 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2777 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442 2778
2443 warn "loading config and database again"; 2779 warn "loading config and database again";
2444 cf::cfg_load; 2780 cf::cfg_load;
2445 cf::db_load;
2446 2781
2447 warn "loading extensions"; 2782 warn "loading extensions";
2448 cf::load_extensions; 2783 cf::load_extensions;
2449 2784
2450 warn "reattaching attachments to objects/players"; 2785 warn "reattaching attachments to objects/players";
2451 _global_reattach; 2786 _global_reattach; # objects, sockets
2452 warn "reattaching attachments to maps"; 2787 warn "reattaching attachments to maps";
2453 reattach $_ for values %MAP; 2788 reattach $_ for values %MAP;
2789 warn "reattaching attachments to players";
2790 reattach $_ for values %PLAYER;
2454 2791
2455 warn "loading reloadable resources"; 2792 warn "leaving sync_job";
2456 load_resources;
2457 2793
2458 warn "restarting server ticker"; 2794 1
2459 2795 } or do {
2460 $TICK_WATCHER->start;
2461 };
2462
2463 if ($@) {
2464 warn $@; 2796 warn $@;
2465 warn "error while reloading, exiting."; 2797 warn "error while reloading, exiting.";
2466 exit 1; 2798 exit 1;
2467 } 2799 };
2468 2800
2469 warn "reloaded"; 2801 warn "reloaded";
2470}; 2802};
2471 2803
2472our $RELOAD_WATCHER; # used only during reload 2804our $RELOAD_WATCHER; # used only during reload
2473 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
2474register_command "reload" => sub { 2821register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2822 my ($who, $arg) = @_;
2476 2823
2477 if ($who->flag (FLAG_WIZ)) { 2824 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("reloading server."); 2825 $who->message ("reloading server.");
2479 2826 async { reload_perl };
2480 # doing reload synchronously and two reloads happen back-to-back,
2481 # coro crashes during coro_state_free->destroy here.
2482
2483 $RELOAD_WATCHER ||= Event->timer (
2484 reentrant => 0,
2485 after => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => sub {
2488 reload;
2489 undef $RELOAD_WATCHER;
2490 },
2491 );
2492 } 2827 }
2493}; 2828};
2494 2829
2495unshift @INC, $LIBDIR; 2830unshift @INC, $LIBDIR;
2496 2831
2497my $bug_warning = 0; 2832my $bug_warning = 0;
2498 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;
2499$TICK_WATCHER = Event->timer ( 2857$TICK_WATCHER = Event->timer (
2500 reentrant => 0, 2858 reentrant => 0,
2501 parked => 1, 2859 parked => 1,
2502 prio => 0, 2860 prio => 0,
2503 at => $NEXT_TICK || $TICK, 2861 at => $NEXT_TICK || $TICK,
2507 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"
2508 unless ++$bug_warning > 10; 2866 unless ++$bug_warning > 10;
2509 return; 2867 return;
2510 } 2868 }
2511 2869
2512 $NOW = Event::time; 2870 $NOW = $tick_start = Event::time;
2513 2871
2514 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
2515 $RUNTIME += $TICK; 2897 $RUNTIME += $TICK;
2516 $NEXT_TICK += $TICK; 2898 $NEXT_TICK += $TICK;
2517 2899
2518 $WAIT_FOR_TICK->broadcast; 2900 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2901 $NEXT_RUNTIME_WRITE = $NOW + 10;
2520 2902 Coro::async_pool {
2521 Event::sweep; 2903 write_runtime
2522 Coro::cede_notself; 2904 or warn "ERROR: unable to write runtime file: $!";
2905 };
2523 2906 }
2907
2524# my $AFTER = Event::time; 2908# my $AFTER = Event::time;
2525# warn $AFTER - $NOW;#d# 2909# warn $AFTER - $NOW;#d#
2526 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
2527 # 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
2528 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2921 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529 2922
2530 $TICK_WATCHER->at ($NEXT_TICK); 2923 $TICK_WATCHER->at ($NEXT_TICK);
2531 $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
2532 }, 2932 },
2533); 2933);
2534 2934
2535{ 2935{
2536 BDB::max_poll_time $TICK * 0.1; 2936 BDB::max_poll_time $TICK * 0.1;
2564 2964
2565 cf::sync_job { 2965 cf::sync_job {
2566 eval { 2966 eval {
2567 BDB::db_env_open 2967 BDB::db_env_open
2568 $DB_ENV, 2968 $DB_ENV,
2569 $BDB_ENV_DIR, 2969 $BDBDIR,
2570 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
2571 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2971 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572 0666; 2972 0666;
2573 2973
2574 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2974 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575 2975
2576 $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);
2577 $DB_ENV->set_lk_detect; 2977 $DB_ENV->set_lk_detect;
2578 }; 2978 };
2579 2979
2587 2987
2588 undef $Coro::AIO::WATCHER; 2988 undef $Coro::AIO::WATCHER;
2589 IO::AIO::max_poll_time $TICK * 0.1; 2989 IO::AIO::max_poll_time $TICK * 0.1;
2590 $AIO_POLL_WATCHER = Event->io ( 2990 $AIO_POLL_WATCHER = Event->io (
2591 reentrant => 0, 2991 reentrant => 0,
2992 data => WF_AUTOCANCEL,
2592 fd => IO::AIO::poll_fileno, 2993 fd => IO::AIO::poll_fileno,
2593 poll => 'r', 2994 poll => 'r',
2594 prio => 6, 2995 prio => 6,
2595 data => WF_AUTOCANCEL,
2596 cb => \&IO::AIO::poll_cb, 2996 cb => \&IO::AIO::poll_cb,
2597 ); 2997 );
2598} 2998}
2599 2999
2600$WRITE_RUNTIME_WATCHER = Event->timer ( 3000my $_log_backtrace;
2601 reentrant => 0, 3001
2602 data => WF_AUTOCANCEL, 3002sub _log_backtrace {
2603 after => 1, 3003 my ($msg, @addr) = @_;
2604 interval => 10, 3004
2605 prio => 6, # keep it lowest so it acts like a watchdog 3005 $msg =~ s/\n//;
2606 cb => Coro::unblock_sub { 3006
2607 write_runtime 3007 # limit the # of concurrent backtraces
2608 or warn "ERROR: unable to write runtime file: $!"; 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";
2609 }, 3035 }
2610); 3036}
3037
3038# load additional modules
3039use cf::pod;
2611 3040
2612END { cf::emergency_save } 3041END { cf::emergency_save }
2613 3042
26141 30431
2615 3044

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