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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.331 by root, Mon Aug 13 13:10:01 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
25use JSON::XS 1.4 ();
22use BDB (); 26use BDB ();
23use Data::Dumper; 27use Data::Dumper;
24use Digest::MD5; 28use Digest::MD5;
25use Fcntl; 29use Fcntl;
26use YAML::Syck (); 30use YAML::Syck ();
27use IO::AIO 2.32 (); 31use IO::AIO 2.32 ();
28use Time::HiRes; 32use Time::HiRes;
29use Compress::LZF; 33use Compress::LZF;
34use Digest::MD5 ();
30 35
31# configure various modules to our taste 36# configure various modules to our taste
32# 37#
38$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 41
36$Event::Eval = 1; # no idea why this is required, but it is 42$Event::Eval = 1; # no idea why this is required, but it is
37 43
45our %COMMAND = (); 51our %COMMAND = ();
46our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
47 53
48our @EXTS = (); # list of extension package names 54our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 57our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 58our %EXT_MAP = (); # pluggable maps
52 59
53our $RELOAD; # number of reloads so far 60our $RELOAD; # number of reloads so far
54our @EVENT; 61our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 62
57our $TICK = MAX_TIME * 1e-6; 63our $CONFDIR = confdir;
64our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db";
74
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58our $TICK_WATCHER; 76our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 77our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 79our $NEXT_TICK;
62our $NOW; 80our $NOW;
71our $RUNTIME; 89our $RUNTIME;
72 90
73our %PLAYER; # all users 91our %PLAYER; # all users
74our %MAP; # all maps 92our %MAP; # all maps
75our $LINK_MAP; # the special {link} map, which is always available 93our $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 94
82# used to convert map paths into valid unix filenames by replacing / by ∕ 95# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 97
98our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing
100our $tick_start; # for load detecting purposes
101
85binmode STDOUT; 102binmode STDOUT;
86binmode STDERR; 103binmode STDERR;
87 104
88# read virtual server time, if available 105# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 106unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 107 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 108 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 109 $RUNTIME = <$fh> + 0.;
93} 110}
94 111
95mkdir cf::localdir; 112mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 114
102our $EMERGENCY_POSITION; 115our $EMERGENCY_POSITION;
103 116
104sub cf::map::normalise; 117sub cf::map::normalise;
105 118
116=item $cf::RUNTIME 129=item $cf::RUNTIME
117 130
118The time this server has run, starts at 0 and is increased by $cf::TICK on 131The time this server has run, starts at 0 and is increased by $cf::TICK on
119every server tick. 132every server tick.
120 133
121=item $cf::LIBDIR 134=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122 137
123The perl library directory, where extensions and cf-specific modules can 138Various directories - "/etc", read-only install directory, perl-library
124be found. It will be added to C<@INC> automatically. 139directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140unique-items directory, player file directory, random maps directory and
141database environment.
125 142
126=item $cf::NOW 143=item $cf::NOW
127 144
128The time of the last (current) server tick. 145The time of the last (current) server tick.
129 146
130=item $cf::TICK 147=item $cf::TICK
131 148
132The interval between server ticks, in seconds. 149The interval between server ticks, in seconds.
150
151=item $cf::LOADAVG
152
153The current CPU load on the server (alpha-smoothed), as a value between 0
154(none) and 1 (overloaded), indicating how much time is spent on processing
155objects per tick. Healthy values are < 0.5.
156
157=item $cf::LOAD
158
159The raw value load value from the last tick.
133 160
134=item %cf::CFG 161=item %cf::CFG
135 162
136Configuration for the server, loaded from C</etc/crossfire/config>, or 163Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 164from wherever your confdir points to.
138 165
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 166=item cf::wait_for_tick, cf::wait_for_tick_begin
140 167
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 168These 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 169returns 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 170per 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. 171
172=item @cf::INVOKE_RESULTS
173
174This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call.
145 177
146=back 178=back
147 179
148=cut 180=cut
149 181
150BEGIN { 182BEGIN {
151 *CORE::GLOBAL::warn = sub { 183 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 184 my $msg = join "", @_;
153 utf8::encode $msg;
154 185
155 $msg .= "\n" 186 $msg .= "\n"
156 unless $msg =~ /\n$/; 187 unless $msg =~ /\n$/;
157 188
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190
191 utf8::encode $msg;
158 LOG llevError, $msg; 192 LOG llevError, $msg;
159 }; 193 };
160} 194}
161 195
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 200@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
201@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 202@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168 203
169# we bless all objects into (empty) derived classes to force a method lookup 204# we bless all objects into (empty) derived classes to force a method lookup
170# within the Safe compartment. 205# within the Safe compartment.
171for my $pkg (qw( 206for my $pkg (qw(
172 cf::global cf::attachable 207 cf::global cf::attachable
180} 215}
181 216
182$Event::DIED = sub { 217$Event::DIED = sub {
183 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
184}; 219};
220
221#############################################################################
185 222
186=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
187 224
188=over 4 225=over 4
189 226
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d 246 $d
210 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
211} 248}
212 249
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
216 251
217Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
218 253
219=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
220 255
221Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
257
258=cut
259
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261
262sub to_json ($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) }
222 264
223=item cf::lock_wait $string 265=item cf::lock_wait $string
224 266
225Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
226 268
232returned. 274returned.
233 275
234Lock names should begin with a unique identifier (for example, cf::map::find 276Lock names should begin with a unique identifier (for example, cf::map::find
235uses map_find and cf::map::load uses map_load). 277uses map_find and cf::map::load uses map_load).
236 278
279=item $locked = cf::lock_active $string
280
281Return true if the lock is currently active, i.e. somebody has locked it.
282
237=cut 283=cut
238 284
239our %LOCK; 285our %LOCK;
240 286
241sub lock_wait($) { 287sub lock_wait($) {
258 304
259 Coro::guard { 305 Coro::guard {
260 # wake up all waiters, to be on the safe side 306 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 307 $_->ready for @{ delete $LOCK{$key} };
262 } 308 }
309}
310
311sub lock_active($) {
312 my ($key) = @_;
313
314 ! ! $LOCK{$key}
263} 315}
264 316
265sub freeze_mainloop { 317sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 318 return unless $TICK_WATCHER->is_active;
267 319
270 }; 322 };
271 $TICK_WATCHER->stop; 323 $TICK_WATCHER->stop;
272 $guard 324 $guard
273} 325}
274 326
327=item cf::get_slot $time[, $priority[, $name]]
328
329Allocate $time seconds of blocking CPU time at priority C<$priority>:
330This call blocks and returns only when you have at least C<$time> seconds
331of cpu time till the next tick. The slot is only valid till the next cede.
332
333The optional C<$name> can be used to identify the job to run. It might be
334used for statistical purposes and should identify the same time-class.
335
336Useful for short background jobs.
337
338=cut
339
340our @SLOT_QUEUE;
341our $SLOT_QUEUE;
342
343$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async {
345 my $signal = new Coro::Signal;
346
347 while () {
348 next_job:
349 my $avail = cf::till_tick;
350 if ($avail > 0.01) {
351 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) {
353 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send;
355 Coro::cede;
356 goto next_job;
357 }
358 }
359 }
360
361 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait;
365 } else {
366 Coro::schedule;
367 }
368 }
369};
370
371sub get_slot($;$$) {
372 my ($time, $pri, $name) = @_;
373
374 $time = $TICK * .6 if $time > $TICK * .6;
375 my $sig = new Coro::Signal;
376
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready;
380 $sig->wait;
381}
382
275=item cf::async { BLOCK } 383=item cf::async { BLOCK }
276 384
277Currently the same as Coro::async_pool, meaning you cannot use 385Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 386C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it. 387thing you are allowed to do is call C<prio> on it.
282 390
283BEGIN { *async = \&Coro::async_pool } 391BEGIN { *async = \&Coro::async_pool }
284 392
285=item cf::sync_job { BLOCK } 393=item cf::sync_job { BLOCK }
286 394
287The design of crossfire+ requires that the main coro ($Coro::main) is 395The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 396is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable.
290 399
291If it must be done, put the blocking parts into C<sync_job>. This will run 400If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 401the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 402server will be frozen during this time, so the block should either finish
294fast or be very important. 403fast or be very important.
297 406
298sub sync_job(&) { 407sub sync_job(&) {
299 my ($job) = @_; 408 my ($job) = @_;
300 409
301 if ($Coro::current == $Coro::main) { 410 if ($Coro::current == $Coro::main) {
411 my $time = Event::time;
412
302 # this is the main coro, too bad, we have to block 413 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 414 # till the operation succeeds, freezing the server :/
304 415
305 # TODO: use suspend/resume instead 416 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 417 # (but this is cancel-safe)
317 428
318 while ($busy) { 429 while ($busy) {
319 Coro::cede or Event::one_event; 430 Coro::cede or Event::one_event;
320 } 431 }
321 432
433 $time = Event::time - $time;
434
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load
439
322 wantarray ? @res : $res[0] 440 wantarray ? @res : $res[0]
323 } else { 441 } else {
324 # we are in another coroutine, how wonderful, everything just works 442 # we are in another coroutine, how wonderful, everything just works
325 443
326 $job->() 444 $job->()
345 $EXT_CORO{$coro+0} = $coro; 463 $EXT_CORO{$coro+0} = $coro;
346 464
347 $coro 465 $coro
348} 466}
349 467
350sub write_runtime { 468=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 469
353 my $runtime = cf::localdir . "/runtime"; 470Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling.
354 474
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 475=cut
356 or return;
357 476
358 my $value = $cf::RUNTIME + 90 + 10; 477sub _store_scalar {
359 # 10 is the runtime save interval, for a monotonic clock 478 open my $fh, ">", \my $buf
360 # 60 allows for the watchdog to kill the server. 479 or die "fork_call: cannot open fh-to-buf in child : $!";
361 480 Storable::store_fd $_[0], $fh;
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
363 and return;
364
365 # always fsync - this file is important
366 aio_fsync $fh
367 and return;
368
369 close $fh 481 close $fh;
370 or return;
371 482
372 aio_rename "$runtime~", $runtime 483 $buf
373 and return; 484}
374 485
486sub fork_call(&@) {
487 my ($cb, @args) = @_;
488
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
490# or die "socketpair: $!";
491 pipe my $fh1, my $fh2
492 or die "pipe: $!";
493
494 if (my $pid = fork) {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
375 1 527 }
528}
529
530=item $value = cf::db_get $family => $key
531
532Returns a single value from the environment database.
533
534=item cf::db_put $family => $key => $value
535
536Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538
539=cut
540
541our $DB;
542
543sub db_init {
544 unless ($DB) {
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558}
559
560sub db_get($$) {
561 my $key = "$_[0]/$_[1]";
562
563 cf::sync_job {
564 BDB::db_get $DB, undef, $key, my $data;
565
566 $! ? ()
567 : $data
568 }
569}
570
571sub db_put($$$) {
572 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
574}
575
576=item cf::cache $id => [$paths...], $processversion => $process
577
578Generic caching function that returns the value of the resource $id,
579caching and regenerating as required.
580
581This function can block.
582
583=cut
584
585sub cache {
586 my ($id, $src, $processversion, $process) = @_;
587
588 my $meta =
589 join "\x00",
590 $processversion,
591 map {
592 aio_stat $_
593 and Carp::croak "$_: $!";
594
595 ($_, (stat _)[7,9])
596 } @$src;
597
598 my $dbmeta = db_get cache => "$id/meta";
599 if ($dbmeta ne $meta) {
600 # changed, we may need to process
601
602 my @data;
603 my $md5;
604
605 for (0 .. $#$src) {
606 0 <= aio_load $src->[$_], $data[$_]
607 or Carp::croak "$src->[$_]: $!";
608 }
609
610 # if processing is expensive, check
611 # checksum first
612 if (1) {
613 $md5 =
614 join "\x00",
615 $processversion,
616 map {
617 Coro::cede;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src;
620
621
622 my $dbmd5 = db_get cache => "$id/md5";
623 if ($dbmd5 eq $md5) {
624 db_put cache => "$id/meta", $meta;
625
626 return db_get cache => "$id/data";
627 }
628 }
629
630 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time;
633
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
635
636 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta;
639
640 return $data;
641 }
642
643 db_get cache => "$id/data"
376} 644}
377 645
378=item cf::datalog type => key => value, ... 646=item cf::datalog type => key => value, ...
379 647
380Log a datalog packet of the given type with the given key-value pairs. 648Log a datalog packet of the given type with the given key-value pairs.
398attach callbacks/event handlers (a collection of which is called an "attachment") 666attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 667to it. All such attachable objects support the following methods.
400 668
401In the following description, CLASS can be any of C<global>, C<object> 669In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 670C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 671Crossfire TRT).
404 672
405=over 4 673=over 4
406 674
407=item $attachable->attach ($attachment, key => $value...) 675=item $attachable->attach ($attachment, key => $value...)
408 676
571 $registry = $CB_TYPE[$object_type] ||= []; 839 $registry = $CB_TYPE[$object_type] ||= [];
572 840
573 } elsif ($type eq "subtype") { 841 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 842 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 843 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 844 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 845
578 } elsif ($type eq "package") { 846 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 847 my $pkg = shift @arg;
580 848
581 while (my ($name, $id) = each %cb_id) { 849 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 878 _attach $registry, $klass, @attach;
611 } 879 }
612 880
613 $obj->{$name} = \%arg; 881 $obj->{$name} = \%arg;
614 } else { 882 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 883 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 884 }
617 885
618 $obj->{_attachment}{$name} = undef; 886 $obj->{_attachment}{$name} = undef;
619} 887}
620 888
622 if (ref $_[0]) { 890 if (ref $_[0]) {
623 _object_attach @_; 891 _object_attach @_;
624 } else { 892 } else {
625 _attach shift->_attach_registry, @_; 893 _attach shift->_attach_registry, @_;
626 } 894 }
895 _recalc_want;
627}; 896};
628 897
629# all those should be optimised 898# all those should be optimised
630sub cf::attachable::detach { 899sub cf::attachable::detach {
631 my ($obj, $name) = @_; 900 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 903 delete $obj->{_attachment}{$name};
635 reattach ($obj); 904 reattach ($obj);
636 } else { 905 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 906 Carp::croak "cannot, currently, detach class attachments";
638 } 907 }
908 _recalc_want;
639}; 909};
640 910
641sub cf::attachable::attached { 911sub cf::attachable::attached {
642 my ($obj, $name) = @_; 912 my ($obj, $name) = @_;
643 913
658 "; 928 ";
659 die if $@; 929 die if $@;
660} 930}
661 931
662our $override; 932our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 933our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 934
665sub override { 935sub override {
666 $override = 1; 936 $override = 1;
667 @invoke_results = (); 937 @INVOKE_RESULTS = (@_);
668} 938}
669 939
670sub do_invoke { 940sub do_invoke {
671 my $event = shift; 941 my $event = shift;
672 my $callbacks = shift; 942 my $callbacks = shift;
673 943
674 @invoke_results = (); 944 @INVOKE_RESULTS = ();
675 945
676 local $override; 946 local $override;
677 947
678 for (@$callbacks) { 948 for (@$callbacks) {
679 eval { &{$_->[1]} }; 949 eval { &{$_->[1]} };
696 966
697Generate an object-specific event with the given arguments. 967Generate an object-specific event with the given arguments.
698 968
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 969This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 970removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 971results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 972
703=back 973=back
704 974
705=cut 975=cut
706 976
707############################################################################# 977#############################################################################
708# object support 978# object support
979#
980
981sub _can_merge {
982 my ($ob1, $ob2) = @_;
983
984 local $Storable::canonical = 1;
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987
988 $fob1 eq $fob2
989}
709 990
710sub reattach { 991sub reattach {
711 # basically do the same as instantiate, without calling instantiate 992 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 993 my ($obj) = @_;
713 994
816 or return; 1097 or return;
817 $av = eval { (Storable::thaw $av)->{objs} }; 1098 $av = eval { (Storable::thaw $av)->{objs} };
818 } 1099 }
819 1100
820 warn sprintf "loading %s (%d)\n", 1101 warn sprintf "loading %s (%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1102 $filename, length $data, scalar @{$av || []};
822 return ($data, $av); 1103 return ($data, $av);
823} 1104}
1105
1106=head2 COMMAND CALLBACKS
1107
1108=over 4
1109
1110=cut
824 1111
825############################################################################# 1112#############################################################################
826# command handling &c 1113# command handling &c
827 1114
828=item cf::register_command $name => \&callback($ob,$args); 1115=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1128 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1129}
843 1130
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1131=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1132
846Register a callbackf ro execution when the client sends an extcmd packet. 1133Register a callback for execution when the client sends an (synchronous)
1134extcmd packet. Ext commands will be processed in the order they are
1135received by the server, like other user commands. The first argument is
1136the logged-in player. Ext commands can only be processed after a player
1137has logged in successfully.
847 1138
848If the callback returns something, it is sent back as if reply was being 1139If the callback returns something, it is sent back as if reply was being
849called. 1140called.
850 1141
1142=item cf::register_exticmd $name => \&callback($ns,$packet);
1143
1144Register a callback for execution when the client sends an (asynchronous)
1145exticmd packet. Exti commands are processed by the server as soon as they
1146are received, i.e. out of order w.r.t. other commands. The first argument
1147is a client socket. Exti commands can be received anytime, even before
1148log-in.
1149
1150If the callback returns something, it is sent back as if reply was being
1151called.
1152
851=cut 1153=cut
852 1154
853sub register_extcmd { 1155sub register_extcmd {
854 my ($name, $cb) = @_; 1156 my ($name, $cb) = @_;
855 1157
856 $EXTCMD{$name} = $cb; 1158 $EXTCMD{$name} = $cb;
1159}
1160
1161sub register_exticmd {
1162 my ($name, $cb) = @_;
1163
1164 $EXTICMD{$name} = $cb;
857} 1165}
858 1166
859cf::player->attach ( 1167cf::player->attach (
860 on_command => sub { 1168 on_command => sub {
861 my ($pl, $name, $params) = @_; 1169 my ($pl, $name, $params) = @_;
870 cf::override; 1178 cf::override;
871 }, 1179 },
872 on_extcmd => sub { 1180 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1181 my ($pl, $buf) = @_;
874 1182
875 my $msg = eval { from_json $buf }; 1183 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1184
877 if (ref $msg) { 1185 if (ref $msg) {
1186 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg
1188 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1191 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1192 my @reply = $cb->($pl, @payload);
1193
880 $pl->ext_reply ($msg->{msgid}, %reply); 1194 $pl->ext_reply ($reply, @reply)
881 } 1195 if $reply;
882 } 1196 }
883 } else { 1197 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1199 }
886 1200
887 cf::override; 1201 cf::override;
888 }, 1202 },
889); 1203);
890 1204
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1205sub load_extensions {
1206 cf::sync_job {
1207 my %todo;
1208
926 for my $ext (<$LIBDIR/*.ext>) { 1209 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1210 next unless -r $path;
928 eval { 1211
929 load_extension $ext; 1212 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1213 my $base = $1;
1214 my $pkg = $1;
1215 $pkg =~ s/[^[:word:]]/_/g;
1216 $pkg = "ext::$pkg";
1217
1218 open my $fh, "<:utf8", $path
1219 or die "$path: $!";
1220
1221 my $source = do { local $/; <$fh> };
1222
1223 my %ext = (
1224 path => $path,
1225 base => $base,
1226 pkg => $pkg,
1227 );
1228
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231
1232 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n"
1234 . "#line 1 \"$path\"\n{\n"
1235 . $source
1236 . "\n};\n1";
1237
1238 $todo{$base} = \%ext;
1239 }
1240
1241 my %done;
1242 while (%todo) {
1243 my $progress;
1244
1245 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip
1248 unless exists $done{$_};
1249 }
1250
1251 warn "... loading '$k' into '$v->{pkg}'\n";
1252
1253 unless (eval $v->{source}) {
1254 my $msg = $@ ? "$v->{path}: $@\n"
1255 : "$v->{base}: extension inactive.\n";
1256
1257 if (exists $v->{meta}{mandatory}) {
1258 warn $msg;
1259 warn "mandatory extension failed to load, exiting.\n";
1260 exit 1;
1261 }
1262
1263 warn $msg;
1264 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
930 1 1269 }
931 } or warn "$ext not loaded: $@"; 1270
1271 skip:
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1273 unless $progress;
1274 }
932 } 1275 };
933} 1276}
934 1277
935############################################################################# 1278#############################################################################
936 1279
1280=back
1281
937=head2 CORE EXTENSIONS 1282=head2 CORE EXTENSIONS
938 1283
939Functions and methods that extend core crossfire objects. 1284Functions and methods that extend core crossfire objects.
940 1285
941=cut 1286=cut
953Returns the given player object, loading it if necessary (might block). 1298Returns the given player object, loading it if necessary (might block).
954 1299
955=cut 1300=cut
956 1301
957sub playerdir($) { 1302sub playerdir($) {
958 cf::localdir 1303 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1304 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1305}
964 1306
965sub path($) { 1307sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1308 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1309
968 (playerdir $login) . "/$login.pl" 1310 (playerdir $login) . "/playerdata"
969} 1311}
970 1312
971sub find_active($) { 1313sub find_active($) {
972 $cf::PLAYER{$_[0]} 1314 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1315 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1328 my $login = $_[0];
987 1329
988 my $guard = cf::lock_acquire "user_find:$login"; 1330 my $guard = cf::lock_acquire "user_find:$login";
989 1331
990 $cf::PLAYER{$_[0]} || do { 1332 $cf::PLAYER{$_[0]} || do {
1333 # rename old playerfiles to new ones
1334 #TODO: remove when no longer required
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl";
1339
991 my $pl = load_pl path $login 1340 my $pl = load_pl path $login
992 or return; 1341 or return;
993 $cf::PLAYER{$login} = $pl 1342 $cf::PLAYER{$login} = $pl
994 } 1343 }
995 } 1344 }
1021 $self->{deny_save} = 1; 1370 $self->{deny_save} = 1;
1022 1371
1023 $cf::PLAYER{$login} = $self; 1372 $cf::PLAYER{$login} = $self;
1024 1373
1025 $self 1374 $self
1375}
1376
1377=item $player->send_msg ($channel, $msg, $color, [extra...])
1378
1379=cut
1380
1381sub send_msg {
1382 my $ns = shift->ns
1383 or return;
1384 $ns->send_msg (@_);
1026} 1385}
1027 1386
1028=item $pl->quit_character 1387=item $pl->quit_character
1029 1388
1030Nukes the player without looking back. If logged in, the connection will 1389Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1438while and may block, so not sync_job-capable, ever.
1080 1439
1081=cut 1440=cut
1082 1441
1083sub list_logins { 1442sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1443 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1444 or return [];
1086 1445
1087 my @logins; 1446 my @logins;
1088 1447
1089 for my $login (@$dirs) { 1448 for my $login (@$dirs) {
1124 } 1483 }
1125 1484
1126 \@paths 1485 \@paths
1127} 1486}
1128 1487
1488=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1489
1490Expand crossfire pod fragments into protocol xml.
1491
1492=cut
1493
1494sub expand_cfpod {
1495 ((my $self), (local $_)) = @_;
1496
1497 # escape & and <
1498 s/&/&amp;/g;
1499 s/(?<![BIUGH])</&lt;/g;
1500
1501 # this is buggy, it needs to properly take care of nested <'s
1502
1503 1 while
1504 # replace B<>, I<>, U<> etc.
1505 s/B<([^\>]*)>/<b>$1<\/b>/
1506 || s/I<([^\>]*)>/<i>$1<\/i>/
1507 || s/U<([^\>]*)>/<u>$1<\/u>/
1508 # replace G<male|female> tags
1509 || s{G<([^>|]*)\|([^>]*)>}{
1510 $self->gender ? $2 : $1
1511 }ge
1512 # replace H<hint text>
1513 || s{H<([^\>]*)>}
1514 {
1515 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517 "")
1518 [$self->{hintmode}]
1519 }ge;
1520
1521 # create single paragraphs (very hackish)
1522 s/(?<=\S)\n(?=\w)/ /g;
1523
1524 # compress some whitespace
1525 s/\s+\n/\n/g; # ws line-ends
1526 s/\n\n+/\n/g; # double lines
1527 s/^\n+//; # beginning lines
1528 s/\n+$//; # ending lines
1529
1530 $_
1531}
1532
1533sub hintmode {
1534 $_[0]{hintmode} = $_[1] if @_ > 1;
1535 $_[0]{hintmode}
1536}
1537
1129=item $player->ext_reply ($msgid, $msgtype, %msg) 1538=item $player->ext_reply ($msgid, @msg)
1130 1539
1131Sends an ext reply to the player. 1540Sends an ext reply to the player.
1132 1541
1133=cut 1542=cut
1134 1543
1135sub ext_reply($$$%) { 1544sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1545 my ($self, $id, @msg) = @_;
1137 1546
1138 $msg{msgid} = $id; 1547 if ($self->ns->extcmd == 2) {
1139 1548 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1140 $self->send ("ext " . cf::to_json \%msg); 1549 } elsif ($self->ns->extcmd == 1) {
1550 #TODO: version 1, remove
1551 unshift @msg, msgtype => "reply", msgid => $id;
1552 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553 }
1141} 1554}
1142 1555
1143package cf; 1556=item $player->ext_msg ($type, @msg)
1557
1558Sends an ext event to the client.
1559
1560=cut
1561
1562sub ext_msg($$@) {
1563 my ($self, $type, @msg) = @_;
1564
1565 $self->ns->ext_msg ($type, @msg);
1566}
1567
1568=head3 cf::region
1569
1570=over 4
1571
1572=cut
1573
1574package cf::region;
1575
1576=item cf::region::find_by_path $path
1577
1578Tries to decuce the likely region for a map knowing only its path.
1579
1580=cut
1581
1582sub find_by_path($) {
1583 my ($path) = @_;
1584
1585 my ($match, $specificity);
1586
1587 for my $region (list) {
1588 if ($region->{match} && $path =~ $region->{match}) {
1589 ($match, $specificity) = ($region, $region->specificity)
1590 if $region->specificity > $specificity;
1591 }
1592 }
1593
1594 $match
1595}
1144 1596
1145=back 1597=back
1146
1147 1598
1148=head3 cf::map 1599=head3 cf::map
1149 1600
1150=over 4 1601=over 4
1151 1602
1206 my ($self, $merge) = @_; 1657 my ($self, $merge) = @_;
1207 1658
1208 # we have to keep some variables in memory intact 1659 # we have to keep some variables in memory intact
1209 local $self->{path}; 1660 local $self->{path};
1210 local $self->{load_path}; 1661 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213 1662
1214 $self->SUPER::thawer_merge ($merge); 1663 $self->SUPER::thawer_merge ($merge);
1215} 1664}
1216 1665
1217sub normalise { 1666sub normalise {
1264 $self->init; # pass $1 etc. 1713 $self->init; # pass $1 etc.
1265 return $self; 1714 return $self;
1266 } 1715 }
1267 } 1716 }
1268 1717
1269 Carp::carp "unable to resolve path '$path' (base '$base')."; 1718 Carp::cluck "unable to resolve path '$path' (base '$base').";
1270 () 1719 ()
1271} 1720}
1272 1721
1273sub init { 1722sub init {
1274 my ($self) = @_; 1723 my ($self) = @_;
1289 1738
1290# the original (read-only) location 1739# the original (read-only) location
1291sub load_path { 1740sub load_path {
1292 my ($self) = @_; 1741 my ($self) = @_;
1293 1742
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1743 "$MAPDIR/$self->{path}.map"
1295} 1744}
1296 1745
1297# the temporary/swap location 1746# the temporary/swap location
1298sub save_path { 1747sub save_path {
1299 my ($self) = @_; 1748 my ($self) = @_;
1300 1749
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1751 "$TMPDIR/$path.map"
1303} 1752}
1304 1753
1305# the unique path, undef == no special unique path 1754# the unique path, undef == no special unique path
1306sub uniq_path { 1755sub uniq_path {
1307 my ($self) = @_; 1756 my ($self) = @_;
1308 1757
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1758 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1759 "$UNIQUEDIR/$path"
1311} 1760}
1312 1761
1313# and all this just because we cannot iterate over 1762# and all this just because we cannot iterate over
1314# all maps in C++... 1763# all maps in C++...
1315sub change_all_map_light { 1764sub change_all_map_light {
1316 my ($change) = @_; 1765 my ($change) = @_;
1317 1766
1318 $_->change_map_light ($change) 1767 $_->change_map_light ($change)
1319 for grep $_->outdoor, values %cf::MAP; 1768 for grep $_->outdoor, values %cf::MAP;
1769}
1770
1771sub decay_objects {
1772 my ($self) = @_;
1773
1774 return if $self->{deny_reset};
1775
1776 $self->do_decay_objects;
1320} 1777}
1321 1778
1322sub unlink_save { 1779sub unlink_save {
1323 my ($self) = @_; 1780 my ($self) = @_;
1324 1781
1382 $self->load_header_orig 1839 $self->load_header_orig
1383 or return; 1840 or return;
1384 $self->prepare_orig; 1841 $self->prepare_orig;
1385 } 1842 }
1386 1843
1844 $self->{deny_reset} = 1
1845 if $self->no_reset;
1846
1847 $self->default_region (cf::region::find_by_path $self->{path})
1848 unless $self->default_region;
1849
1387 1 1850 1
1388} 1851}
1389 1852
1390sub find; 1853sub find;
1391sub find { 1854sub find {
1403 $map->{last_save} = $cf::RUNTIME; 1866 $map->{last_save} = $cf::RUNTIME;
1404 1867
1405 $map->load_header 1868 $map->load_header
1406 or return; 1869 or return;
1407 1870
1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1871 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously 1872 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait; 1873 #$cf::WAIT_FOR_TICK->wait;
1411 $map->reset; 1874 $map->reset;
1412 undef $guard; 1875 undef $guard;
1413 return find $path; 1876 return find $path;
1424 my ($self) = @_; 1887 my ($self) = @_;
1425 1888
1426 local $self->{deny_reset} = 1; # loading can take a long time 1889 local $self->{deny_reset} = 1; # loading can take a long time
1427 1890
1428 my $path = $self->{path}; 1891 my $path = $self->{path};
1892
1893 {
1429 my $guard = cf::lock_acquire "map_load:$path"; 1894 my $guard = cf::lock_acquire "map_load:$path";
1430 1895
1431 return if $self->in_memory != cf::MAP_SWAPPED; 1896 return if $self->in_memory != cf::MAP_SWAPPED;
1432 1897
1433 $self->in_memory (cf::MAP_LOADING); 1898 $self->in_memory (cf::MAP_LOADING);
1434 1899
1435 $self->alloc; 1900 $self->alloc;
1436 1901
1437 $self->pre_load; 1902 $self->pre_load;
1438
1439 $self->_load_objects ($self->{load_path}, 1)
1440 or return;
1441
1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443 if delete $self->{load_original};
1444
1445 if (my $uniq = $self->uniq_path) {
1446 utf8::encode $uniq;
1447 if (aio_open $uniq, O_RDONLY, 0) {
1448 $self->clear_unique_items;
1449 $self->_load_objects ($uniq, 0);
1450 }
1451 }
1452
1453 Coro::cede;
1454
1455 # now do the right thing for maps
1456 $self->link_multipart_objects;
1457
1458 unless ($self->{deny_activate}) {
1459 $self->decay_objects;
1460 $self->fix_auto_apply;
1461 $self->update_buttons;
1462 Coro::cede; 1903 Coro::cede;
1463 $self->set_darkness_map; 1904
1905 $self->_load_objects ($self->{load_path}, 1)
1906 or return;
1907
1908 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1909 if delete $self->{load_original};
1910
1911 if (my $uniq = $self->uniq_path) {
1912 utf8::encode $uniq;
1913 if (aio_open $uniq, O_RDONLY, 0) {
1914 $self->clear_unique_items;
1915 $self->_load_objects ($uniq, 0);
1916 }
1917 }
1918
1919 Coro::cede;
1920 # now do the right thing for maps
1921 $self->link_multipart_objects;
1464 $self->difficulty ($self->estimate_difficulty) 1922 $self->difficulty ($self->estimate_difficulty)
1465 unless $self->difficulty; 1923 unless $self->difficulty;
1466 Coro::cede; 1924 Coro::cede;
1925
1926 unless ($self->{deny_activate}) {
1927 $self->decay_objects;
1928 $self->fix_auto_apply;
1929 $self->update_buttons;
1930 Coro::cede;
1931 $self->set_darkness_map;
1932 Coro::cede;
1467 $self->activate; 1933 $self->activate;
1934 }
1935
1936 $self->{last_save} = $cf::RUNTIME;
1937 $self->last_access ($cf::RUNTIME);
1938
1939 $self->in_memory (cf::MAP_IN_MEMORY);
1468 } 1940 }
1469 1941
1470 $self->post_load; 1942 $self->post_load;
1471
1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473} 1943}
1474 1944
1475sub customise_for { 1945sub customise_for {
1476 my ($self, $ob) = @_; 1946 my ($self, $ob) = @_;
1477 1947
1478 return find "~" . $ob->name . "/" . $self->{path} 1948 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player; 1949 if $self->per_player;
1950
1951# return find "?party/" . $ob->name . "/" . $self->{path}
1952# if $self->per_party;
1480 1953
1481 $self 1954 $self
1482} 1955}
1483 1956
1484# find and load all maps in the 3x3 area around a map 1957# find and load all maps in the 3x3 area around a map
1531 2004
1532 undef $MAP_PREFETCH{$path}; 2005 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async { 2006 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) { 2007 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) { 2008 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path 2009 if (my $map = find $path) {
1537 or next;
1538 $map->load; 2010 $map->load;
2011 }
1539 2012
1540 delete $MAP_PREFETCH{$path}; 2013 delete $MAP_PREFETCH{$path};
1541 } 2014 }
1542 } 2015 }
1543 undef $MAP_PREFETCHER; 2016 undef $MAP_PREFETCHER;
1595 2068
1596sub reset_at { 2069sub reset_at {
1597 my ($self) = @_; 2070 my ($self) = @_;
1598 2071
1599 # TODO: safety, remove and allow resettable per-player maps 2072 # TODO: safety, remove and allow resettable per-player maps
1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1601 return 1e99 if $self->{deny_reset}; 2073 return 1e99 if $self->{deny_reset};
1602 2074
1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2075 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2076 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605 2077
1616 my ($self) = @_; 2088 my ($self) = @_;
1617 2089
1618 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2090 my $lock = cf::lock_acquire "map_data:$self->{path}";
1619 2091
1620 return if $self->players; 2092 return if $self->players;
1621 return if $self->isa ("ext::map_per_player");#d#
1622 2093
1623 warn "resetting map ", $self->path;#d# 2094 warn "resetting map ", $self->path;
1624 2095
1625 $self->in_memory (cf::MAP_SWAPPED); 2096 $self->in_memory (cf::MAP_SWAPPED);
1626 2097
1627 # need to save uniques path 2098 # need to save uniques path
1628 unless ($self->{deny_save}) { 2099 unless ($self->{deny_save}) {
1660 $cf::MAP{$self->path} = $self; 2131 $cf::MAP{$self->path} = $self;
1661 2132
1662 $self->reset; # polite request, might not happen 2133 $self->reset; # polite request, might not happen
1663} 2134}
1664 2135
2136=item $maps = cf::map::tmp_maps
2137
2138Returns an arrayref with all map paths of currently instantiated and saved
2139maps. May block.
2140
2141=cut
2142
2143sub tmp_maps() {
2144 [
2145 map {
2146 utf8::decode $_;
2147 /\.map$/
2148 ? normalise $_
2149 : ()
2150 } @{ aio_readdir $TMPDIR or [] }
2151 ]
2152}
2153
2154=item $maps = cf::map::random_maps
2155
2156Returns an arrayref with all map paths of currently instantiated and saved
2157random maps. May block.
2158
2159=cut
2160
2161sub random_maps() {
2162 [
2163 map {
2164 utf8::decode $_;
2165 /\.map$/
2166 ? normalise "?random/$_"
2167 : ()
2168 } @{ aio_readdir $RANDOMDIR or [] }
2169 ]
2170}
2171
1665=item cf::map::unique_maps 2172=item cf::map::unique_maps
1666 2173
1667Returns an arrayref of paths of all shared maps that have 2174Returns an arrayref of paths of all shared maps that have
1668instantiated unique items. May block. 2175instantiated unique items. May block.
1669 2176
1670=cut 2177=cut
1671 2178
1672sub unique_maps() { 2179sub unique_maps() {
1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2180 [
1674 or return; 2181 map {
1675
1676 my @paths;
1677
1678 for (@$files) {
1679 utf8::decode $_; 2182 utf8::decode $_;
1680 next if /\.pst$/; 2183 /\.map$/
1681 next unless /^$PATH_SEP/o; 2184 ? normalise $_
1682 2185 : ()
1683 push @paths, cf::map::normalise $_; 2186 } @{ aio_readdir $UNIQUEDIR or [] }
1684 } 2187 ]
1685
1686 \@paths
1687} 2188}
1688 2189
1689package cf; 2190package cf;
1690 2191
1691=back 2192=back
1737 2238
1738 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2239 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739 2240
1740 if ($self->{record_replies}) { 2241 if ($self->{record_replies}) {
1741 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2242 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2243
1742 } else { 2244 } else {
2245 my $pl = $self->contr;
2246
2247 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2248 my $dialog = $pl->{npc_dialog};
2249 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250
2251 } else {
1743 $msg = $npc->name . " says: $msg" if $npc; 2252 $msg = $npc->name . " says: $msg" if $npc;
1744 $self->message ($msg, $flags); 2253 $self->message ($msg, $flags);
2254 }
1745 } 2255 }
2256}
2257
2258=item $object->send_msg ($channel, $msg, $color, [extra...])
2259
2260=cut
2261
2262sub cf::object::send_msg {
2263 my $pl = shift->contr
2264 or return;
2265 $pl->send_msg (@_);
1746} 2266}
1747 2267
1748=item $player_object->may ("access") 2268=item $player_object->may ("access")
1749 2269
1750Returns wether the given player is authorized to access resource "access" 2270Returns wether the given player is authorized to access resource "access"
1797 $self->deactivate_recursive; 2317 $self->deactivate_recursive;
1798 2318
1799 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2319 return if UNIVERSAL::isa $self->map, "ext::map_link";
1800 2320
1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2321 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802 if $self->map; 2322 if $self->map && $self->map->{path} ne "{link}";
1803 2323
1804 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2324 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1805} 2325}
1806 2326
1807sub cf::object::player::leave_link { 2327sub cf::object::player::leave_link {
1808 my ($self, $map, $x, $y) = @_; 2328 my ($self, $map, $x, $y) = @_;
2329
2330 return unless $self->contr->active;
1809 2331
1810 my $link_pos = delete $self->{_link_pos}; 2332 my $link_pos = delete $self->{_link_pos};
1811 2333
1812 unless ($map) { 2334 unless ($map) {
1813 # restore original map position 2335 # restore original map position
1836 2358
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2359 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838 $self->enter_map ($map, $x, $y); 2360 $self->enter_map ($map, $x, $y);
1839} 2361}
1840 2362
1841cf::player->attach ( 2363=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842 on_logout => sub {
1843 my ($pl) = @_;
1844 2364
1845 # abort map switching before logout 2365Moves the player to the given map-path and coordinates by first freezing
1846 if ($pl->ob->{_link_pos}) { 2366her, loading and preparing them map, calling the provided $check callback
1847 cf::sync_job { 2367that has to return the map if sucecssful, and then unfreezes the player on
1848 $pl->ob->leave_link 2368the new (success) or old (failed) map position. In either case, $done will
1849 }; 2369be called at the end of this process.
1850 }
1851 },
1852 on_login => sub {
1853 my ($pl) = @_;
1854 2370
1855 # try to abort aborted map switching on player login :)
1856 # should happen only on crashes
1857 if ($pl->ob->{_link_pos}) {
1858 $pl->ob->enter_link;
1859 (async {
1860 $pl->ob->reply (undef,
1861 "There was an internal problem at your last logout, "
1862 . "the server will try to bring you to your intended destination in a second.",
1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1866 Coro::Timer::sleep 1;
1867 $pl->ob->leave_link;
1868 })->prio (2);
1869 }
1870 },
1871);
1872
1873=item $player_object->goto ($path, $x, $y)
1874
1875=cut 2371=cut
2372
2373our $GOTOGEN;
1876 2374
1877sub cf::object::player::goto { 2375sub cf::object::player::goto {
1878 my ($self, $path, $x, $y) = @_; 2376 my ($self, $path, $x, $y, $check, $done) = @_;
2377
2378 # do generation counting so two concurrent goto's will be executed in-order
2379 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879 2380
1880 $self->enter_link; 2381 $self->enter_link;
1881 2382
1882 (async { 2383 (async {
1883 my $map = eval { 2384 my $map = eval {
1884 my $map = cf::map::find $path; 2385 my $map = cf::map::find $path;
2386
2387 if ($map) {
1885 $map = $map->customise_for ($self) if $map; 2388 $map = $map->customise_for ($self);
2389 $map = $check->($map) if $check && $map;
2390 } else {
2391 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2392 }
2393
1886 $map 2394 $map
2395 };
2396
2397 if ($@) {
2398 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2399 LOG llevError | logBacktrace, Carp::longmess $@;
1887 } or 2400 }
1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889 2401
2402 if ($gen == $self->{_goto_generation}) {
2403 delete $self->{_goto_generation};
1890 $self->leave_link ($map, $x, $y); 2404 $self->leave_link ($map, $x, $y);
2405 }
2406
2407 $done->() if $done;
1891 })->prio (1); 2408 })->prio (1);
1892} 2409}
1893 2410
1894=item $player_object->enter_exit ($exit_object) 2411=item $player_object->enter_exit ($exit_object)
1895 2412
1934 2451
1935 $rmp->{random_seed} ||= $exit->random_seed; 2452 $rmp->{random_seed} ||= $exit->random_seed;
1936 2453
1937 my $data = cf::to_json $rmp; 2454 my $data = cf::to_json $rmp;
1938 my $md5 = Digest::MD5::md5_hex $data; 2455 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2456 my $meta = "$RANDOMDIR/$md5.meta";
1940 2457
1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2458 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942 aio_write $fh, 0, (length $data), $data, 0; 2459 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh; 2460 undef $fh;
1944 aio_rename "$meta~", $meta; 2461 aio_rename "$meta~", $meta;
1953 2470
1954 return unless $self->type == cf::PLAYER; 2471 return unless $self->type == cf::PLAYER;
1955 2472
1956 if ($exit->slaying eq "/!") { 2473 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job 2474 #TODO: this should de-fi-ni-te-ly not be a sync-job
2475 # the problem is that $exit might not survive long enough
2476 # so it needs to be done right now, right here
1958 cf::sync_job { prepare_random_map $exit }; 2477 cf::sync_job { prepare_random_map $exit };
1959 } 2478 }
1960 2479
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2480 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp; 2481 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp; 2482 my $sp = $exit->stats->sp;
1964 2483
1965 $self->enter_link; 2484 $self->enter_link;
2485
2486 # if exit is damned, update players death & WoR home-position
2487 $self->contr->savebed ($slaying, $hp, $sp)
2488 if $exit->flag (FLAG_DAMNED);
1966 2489
1967 (async { 2490 (async {
1968 $self->deactivate_recursive; # just to be sure 2491 $self->deactivate_recursive; # just to be sure
1969 unless (eval { 2492 unless (eval {
1970 $self->goto ($slaying, $hp, $sp); 2493 $self->goto ($slaying, $hp, $sp);
1971 2494
1972 1; 2495 1;
1973 }) { 2496 }) {
1974 $self->message ("Something went wrong deep within the crossfire server. " 2497 $self->message ("Something went wrong deep within the crossfire server. "
1975 . "I'll try to bring you back to the map you were before. " 2498 . "I'll try to bring you back to the map you were before. "
1976 . "Please report this to the dungeon master!", 2499 . "Please report this to the dungeon master!",
1977 cf::NDI_UNIQUE | cf::NDI_RED); 2500 cf::NDI_UNIQUE | cf::NDI_RED);
1978 2501
1979 warn "ERROR in enter_exit: $@"; 2502 warn "ERROR in enter_exit: $@";
1980 $self->leave_link; 2503 $self->leave_link;
1981 } 2504 }
1982 })->prio (1); 2505 })->prio (1);
1998 2521
1999 utf8::encode $text; 2522 utf8::encode $text;
2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2523 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001} 2524}
2002 2525
2526=item $client->send_msg ($channel, $msg, $color, [extra...])
2527
2528Send a drawinfo or msg packet to the client, formatting the msg for the
2529client if neccessary. C<$type> should be a string identifying the type of
2530the message, with C<log> being the default. If C<$color> is negative, suppress
2531the message unless the client supports the msg packet.
2532
2533=cut
2534
2535sub cf::client::send_msg {
2536 my ($self, $channel, $msg, $color, @extra) = @_;
2537
2538 $msg = $self->pl->expand_cfpod ($msg);
2539
2540 $color &= cf::NDI_CLIENT_MASK; # just in case...
2541
2542 if (ref $channel) {
2543 # send meta info to client, if not yet sent
2544 unless (exists $self->{channel}{$channel->{id}}) {
2545 $self->{channel}{$channel->{id}} = $channel;
2546 $self->ext_msg (channel_info => $channel);
2547 }
2548
2549 $channel = $channel->{id};
2550 }
2551
2552 return unless @extra || length $msg;
2553
2554 if ($self->can_msg) {
2555 # default colour, mask it out
2556 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557 if $color & cf::NDI_DEF;
2558
2559 $self->send_packet ("msg " . $self->{json_coder}->encode (
2560 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2561 } else {
2562 if ($color >= 0) {
2563 # replace some tags by gcfclient-compatible ones
2564 for ($msg) {
2565 1 while
2566 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571 }
2572
2573 $color &= cf::NDI_COLOR_MASK;
2574
2575 utf8::encode $msg;
2576
2577 if (0 && $msg =~ /\[/) {
2578 # COMMAND/INFO
2579 $self->send_packet ("drawextinfo $color 10 8 $msg")
2580 } else {
2581 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2582 $self->send_packet ("drawinfo $color $msg")
2583 }
2584 }
2585 }
2586}
2587
2588=item $client->ext_msg ($type, @msg)
2589
2590Sends an ext event to the client.
2591
2592=cut
2593
2594sub cf::client::ext_msg($$@) {
2595 my ($self, $type, @msg) = @_;
2596
2597 my $extcmd = $self->extcmd;
2598
2599 if ($extcmd == 2) {
2600 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2601 } elsif ($extcmd == 1) { # TODO: remove
2602 push @msg, msgtype => "event_$type";
2603 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2604 }
2605}
2003 2606
2004=item $success = $client->query ($flags, "text", \&cb) 2607=item $success = $client->query ($flags, "text", \&cb)
2005 2608
2006Queues a query to the client, calling the given callback with 2609Queues a query to the client, calling the given callback with
2007the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2610the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2611C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009 2612
2010Queries can fail, so check the return code. Or don't, as queries will become 2613Queries can fail, so check the return code. Or don't, as queries will
2011reliable at some point in the future. 2614become reliable at some point in the future.
2012 2615
2013=cut 2616=cut
2014 2617
2015sub cf::client::query { 2618sub cf::client::query {
2016 my ($self, $flags, $text, $cb) = @_; 2619 my ($self, $flags, $text, $cb) = @_;
2024 utf8::encode $text; 2627 utf8::encode $text;
2025 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2628 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026 2629
2027 $self->send_packet ($self->{query_queue}[0][0]) 2630 $self->send_packet ($self->{query_queue}[0][0])
2028 if @{ $self->{query_queue} } == 1; 2631 if @{ $self->{query_queue} } == 1;
2632
2633 1
2029} 2634}
2030 2635
2031cf::client->attach ( 2636cf::client->attach (
2637 on_connect => sub {
2638 my ($ns) = @_;
2639
2640 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2641 },
2032 on_reply => sub { 2642 on_reply => sub {
2033 my ($ns, $msg) = @_; 2643 my ($ns, $msg) = @_;
2034 2644
2035 # this weird shuffling is so that direct followup queries 2645 # this weird shuffling is so that direct followup queries
2036 # get handled first 2646 # get handled first
2048 } else { 2658 } else {
2049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2659 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050 } 2660 }
2051 } 2661 }
2052 }, 2662 },
2663 on_exticmd => sub {
2664 my ($ns, $buf) = @_;
2665
2666 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2667
2668 if (ref $msg) {
2669 my ($type, $reply, @payload) =
2670 "ARRAY" eq ref $msg
2671 ? @$msg
2672 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2673
2674 if (my $cb = $EXTICMD{$type}) {
2675 my @reply = $cb->($ns, @payload);
2676
2677 $ns->ext_reply ($reply, @reply)
2678 if $reply;
2679 }
2680 } else {
2681 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2682 }
2683
2684 cf::override;
2685 },
2053); 2686);
2054 2687
2055=item $client->async (\&cb) 2688=item $client->async (\&cb)
2056 2689
2057Create a new coroutine, running the specified callback. The coroutine will 2690Create a new coroutine, running the specified callback. The coroutine will
2098our $safe = new Safe "safe"; 2731our $safe = new Safe "safe";
2099our $safe_hole = new Safe::Hole; 2732our $safe_hole = new Safe::Hole;
2100 2733
2101$SIG{FPE} = 'IGNORE'; 2734$SIG{FPE} = 'IGNORE';
2102 2735
2103$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2736$safe->permit_only (Opcode::opset qw(
2737 :base_core :base_mem :base_orig :base_math
2738 grepstart grepwhile mapstart mapwhile
2739 sort time
2740));
2104 2741
2105# here we export the classes and methods available to script code 2742# here we export the classes and methods available to script code
2106 2743
2107=pod 2744=pod
2108 2745
2109The following functions and methods are available within a safe environment: 2746The following functions and methods are available within a safe environment:
2110 2747
2111 cf::object contr pay_amount pay_player map 2748 cf::object
2749 contr pay_amount pay_player map x y force_find force_add
2750 insert remove name archname title slaying race
2751
2112 cf::object::player player 2752 cf::object::player
2113 cf::player peaceful 2753 player
2114 cf::map trigger 2754
2755 cf::player
2756 peaceful
2757
2758 cf::map
2759 trigger
2115 2760
2116=cut 2761=cut
2117 2762
2118for ( 2763for (
2119 ["cf::object" => qw(contr pay_amount pay_player map)], 2764 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2765 insert remove inv name archname title slaying race)],
2120 ["cf::object::player" => qw(player)], 2766 ["cf::object::player" => qw(player)],
2121 ["cf::player" => qw(peaceful)], 2767 ["cf::player" => qw(peaceful)],
2122 ["cf::map" => qw(trigger)], 2768 ["cf::map" => qw(trigger)],
2123) { 2769) {
2124 no strict 'refs'; 2770 no strict 'refs';
2195=back 2841=back
2196 2842
2197=cut 2843=cut
2198 2844
2199############################################################################# 2845#############################################################################
2200
2201=head2 EXTENSION DATABASE SUPPORT
2202
2203Crossfire maintains a very simple database for extension use. It can
2204currently store anything that can be serialised using Storable, which
2205excludes objects.
2206
2207The parameter C<$family> should best start with the name of the extension
2208using it, it should be unique.
2209
2210=over 4
2211
2212=item $value = cf::db_get $family => $key
2213
2214Returns a single value from the database.
2215
2216=item cf::db_put $family => $key => $value
2217
2218Stores the given C<$value> in the family.
2219
2220=cut
2221
2222our $DB;
2223
2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2243
2244 cf::db_put (board => data => $pst->{board});
2245 cf::db_put (guildrules => data => $pst->{guildrules});
2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249 unlink $path;
2250 };
2251 }
2252 }
2253}
2254
2255sub db_get($$) {
2256 my $key = "$_[0]/$_[1]";
2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
2266sub db_put($$$) {
2267 BDB::dbreq_pri 4;
2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269}
2270
2271#############################################################################
2272# the server's init and main functions 2846# the server's init and main functions
2273 2847
2274sub load_facedata { 2848sub load_facedata($) {
2275 my $path = sprintf "%s/facedata", cf::datadir; 2849 my ($path) = @_;
2276 2850
2277 warn "loading facedata from $path\n"; 2851 warn "loading facedata from $path\n";
2278 2852
2279 my $faces; 2853 my $facedata;
2280 0 < aio_load $path, $faces 2854 0 < aio_load $path, $facedata
2281 or die "$path: $!"; 2855 or die "$path: $!";
2282 2856
2283 Coro::cede;
2284 $faces = Storable::thaw $faces; 2857 $facedata = Coro::Storable::thaw $facedata;
2285 Coro::cede;
2286 2858
2287 my $meta = delete $faces->{""};
2288 $meta->{version} == 1 2859 $facedata->{version} == 2
2289 or cf::cleanup "$path: version mismatch, cannot proceed."; 2860 or cf::cleanup "$path: version mismatch, cannot proceed.";
2290 2861
2862 {
2863 my $faces = $facedata->{faceinfo};
2864
2291 while (my ($face, $info) = each %$faces) { 2865 while (my ($face, $info) = each %$faces) {
2292 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2866 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2867 cf::face::set_visibility $idx, $info->{visibility};
2868 cf::face::set_magicmap $idx, $info->{magicmap};
2294 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2869 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2295 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2870 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2296 Coro::cede;
2297 }
2298 2871
2872 cf::cede_to_tick;
2873 }
2874
2299 while (my ($face, $info) = each %$faces) { 2875 while (my ($face, $info) = each %$faces) {
2300 next unless $info->{smooth}; 2876 next unless $info->{smooth};
2301 my $idx = cf::face::find $face 2877 my $idx = cf::face::find $face
2302 or next; 2878 or next;
2303 if (my $smooth = cf::face::find $info->{smooth}) { 2879 if (my $smooth = cf::face::find $info->{smooth}) {
2304 cf::face::set_smooth $idx, $smooth; 2880 cf::face::set_smooth $idx, $smooth;
2881 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305 } else { 2882 } else {
2306 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2883 warn "smooth face '$info->{smooth}' not found for face '$face'";
2307 } 2884 }
2308 Coro::cede; 2885
2886 cf::cede_to_tick;
2887 }
2888 }
2889
2890 {
2891 my $anims = $facedata->{animinfo};
2892
2893 while (my ($anim, $info) = each %$anims) {
2894 cf::anim::set $anim, $info->{frames}, $info->{facings};
2895 cf::cede_to_tick;
2896 }
2897
2898 cf::anim::invalidate_all; # d'oh
2899 }
2900
2901 {
2902 # TODO: for gcfclient pleasure, we should give resources
2903 # that gcfclient doesn't grok a >10000 face index.
2904 my $res = $facedata->{resource};
2905 my $enc = JSON::XS->new->utf8->canonical;
2906
2907 my $soundconf = delete $res->{"res/sound.conf"};
2908
2909 while (my ($name, $info) = each %$res) {
2910 my $meta = $enc->encode ({
2911 name => $name,
2912 %{ $info->{meta} || {} },
2913 });
2914
2915 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2916
2917 if ($info->{type} & 1) {
2918 # prepend meta info
2919
2920 my $data = pack "(w/a*)*", $meta, $info->{data};
2921 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2922
2923 cf::face::set_data $idx, 0, $data, $chk;
2924 } else {
2925 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
2926 }
2927
2928 cf::face::set_type $idx, $info->{type};
2929
2930 cf::cede_to_tick;
2931 }
2932
2933 if ($soundconf) {
2934 $soundconf = $enc->decode (delete $soundconf->{data});
2935
2936 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2937 my $sound = $soundconf->{compat}[$_]
2938 or next;
2939
2940 my $face = cf::face::find "sound/$sound->[1]";
2941 cf::sound::set $sound->[0] => $face;
2942 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2943 }
2944
2945 while (my ($k, $v) = each %{$soundconf->{event}}) {
2946 my $face = cf::face::find "sound/$v";
2947 cf::sound::set $k => $face;
2948 }
2949 }
2309 } 2950 }
2310 2951
2311 1 2952 1
2312} 2953}
2313 2954
2955register_exticmd fx_want => sub {
2956 my ($ns, $want) = @_;
2957
2958 while (my ($k, $v) = each %$want) {
2959 $ns->fx_want ($k, $v);
2960 }
2961};
2962
2963sub reload_regions {
2964 load_resource_file "$MAPDIR/regions"
2965 or die "unable to load regions file\n";
2966
2967 for (cf::region::list) {
2968 $_->{match} = qr/$_->{match}/
2969 if exists $_->{match};
2970 }
2971}
2972
2973sub reload_facedata {
2974 load_facedata "$DATADIR/facedata"
2975 or die "unable to load facedata\n";
2976}
2977
2978sub reload_archetypes {
2979 load_resource_file "$DATADIR/archetypes"
2980 or die "unable to load archetypes\n";
2981 #d# NEED to laod twice to resolve forward references
2982 # this really needs to be done in an extra post-pass
2983 # (which needs to be synchronous, so solve it differently)
2984 load_resource_file "$DATADIR/archetypes"
2985 or die "unable to load archetypes\n";
2986}
2987
2988sub reload_treasures {
2989 load_resource_file "$DATADIR/treasures"
2990 or die "unable to load treasurelists\n";
2991}
2992
2314sub reload_resources { 2993sub reload_resources {
2315 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2994 warn "reloading resource files...\n";
2316 or die "unable to load regions file\n";#d# 2995
2996 reload_regions;
2317 load_facedata 2997 reload_facedata;
2318 or die "unable to load facedata\n";#d# 2998 #reload_archetypes;#d#
2999 reload_archetypes;
3000 reload_treasures;
3001
3002 warn "finished reloading resource files\n";
2319} 3003}
2320 3004
2321sub init { 3005sub init {
2322 reload_resources; 3006 reload_resources;
2323} 3007}
2324 3008
2325sub cfg_load { 3009sub cfg_load {
2326 open my $fh, "<:utf8", cf::confdir . "/config" 3010 open my $fh, "<:utf8", "$CONFDIR/config"
2327 or return; 3011 or return;
2328 3012
2329 local $/; 3013 local $/;
2330 *CFG = YAML::Syck::Load <$fh>; 3014 *CFG = YAML::Syck::Load <$fh>;
2331 3015
2376 }, 3060 },
2377 ); 3061 );
2378 } 3062 }
2379} 3063}
2380 3064
3065sub write_runtime {
3066 my $runtime = "$LOCALDIR/runtime";
3067
3068 # first touch the runtime file to show we are still running:
3069 # the fsync below can take a very very long time.
3070
3071 IO::AIO::aio_utime $runtime, undef, undef;
3072
3073 my $guard = cf::lock_acquire "write_runtime";
3074
3075 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3076 or return;
3077
3078 my $value = $cf::RUNTIME + 90 + 10;
3079 # 10 is the runtime save interval, for a monotonic clock
3080 # 60 allows for the watchdog to kill the server.
3081
3082 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3083 and return;
3084
3085 # always fsync - this file is important
3086 aio_fsync $fh
3087 and return;
3088
3089 # touch it again to show we are up-to-date
3090 aio_utime $fh, undef, undef;
3091
3092 close $fh
3093 or return;
3094
3095 aio_rename "$runtime~", $runtime
3096 and return;
3097
3098 warn "runtime file written.\n";
3099
3100 1
3101}
3102
2381sub emergency_save() { 3103sub emergency_save() {
2382 my $freeze_guard = cf::freeze_mainloop; 3104 my $freeze_guard = cf::freeze_mainloop;
2383 3105
2384 warn "enter emergency perl save\n"; 3106 warn "enter emergency perl save\n";
2385 3107
2416 3138
2417 warn Carp::longmess "post_cleanup backtrace" 3139 warn Carp::longmess "post_cleanup backtrace"
2418 if $make_core; 3140 if $make_core;
2419} 3141}
2420 3142
2421sub reload() { 3143sub do_reload_perl() {
2422 # can/must only be called in main 3144 # can/must only be called in main
2423 if ($Coro::current != $Coro::main) { 3145 if ($Coro::current != $Coro::main) {
2424 warn "can only reload from main coroutine"; 3146 warn "can only reload from main coroutine";
2425 return; 3147 return;
2426 } 3148 }
2460 %EXT_CORO = (); 3182 %EXT_CORO = ();
2461 3183
2462 warn "removing commands"; 3184 warn "removing commands";
2463 %COMMAND = (); 3185 %COMMAND = ();
2464 3186
2465 warn "removing ext commands"; 3187 warn "removing ext/exti commands";
2466 %EXTCMD = (); 3188 %EXTCMD = ();
3189 %EXTICMD = ();
2467 3190
2468 warn "unloading/nuking all extensions"; 3191 warn "unloading/nuking all extensions";
2469 for my $pkg (@EXTS) { 3192 for my $pkg (@EXTS) {
2470 warn "... unloading $pkg"; 3193 warn "... unloading $pkg";
2471 3194
2501 Symbol::delete_package "safe::$_" 3224 Symbol::delete_package "safe::$_"
2502 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3225 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503 3226
2504 warn "unloading cf.pm \"a bit\""; 3227 warn "unloading cf.pm \"a bit\"";
2505 delete $INC{"cf.pm"}; 3228 delete $INC{"cf.pm"};
3229 delete $INC{"cf/pod.pm"};
2506 3230
2507 # don't, removes xs symbols, too, 3231 # don't, removes xs symbols, too,
2508 # and global variables created in xs 3232 # and global variables created in xs
2509 #Symbol::delete_package __PACKAGE__; 3233 #Symbol::delete_package __PACKAGE__;
2510 3234
2525 warn "reattaching attachments to maps"; 3249 warn "reattaching attachments to maps";
2526 reattach $_ for values %MAP; 3250 reattach $_ for values %MAP;
2527 warn "reattaching attachments to players"; 3251 warn "reattaching attachments to players";
2528 reattach $_ for values %PLAYER; 3252 reattach $_ for values %PLAYER;
2529 3253
2530 warn "loading reloadable resources";
2531 reload_resources;
2532
2533 warn "leaving sync_job"; 3254 warn "leaving sync_job";
2534 3255
2535 1 3256 1
2536 } or do { 3257 } or do {
2537 warn $@; 3258 warn $@;
2542 warn "reloaded"; 3263 warn "reloaded";
2543}; 3264};
2544 3265
2545our $RELOAD_WATCHER; # used only during reload 3266our $RELOAD_WATCHER; # used only during reload
2546 3267
3268sub reload_perl() {
3269 # doing reload synchronously and two reloads happen back-to-back,
3270 # coro crashes during coro_state_free->destroy here.
3271
3272 $RELOAD_WATCHER ||= Event->timer (
3273 reentrant => 0,
3274 after => 0,
3275 data => WF_AUTOCANCEL,
3276 cb => sub {
3277 do_reload_perl;
3278 undef $RELOAD_WATCHER;
3279 },
3280 );
3281}
3282
2547register_command "reload" => sub { 3283register_command "reload" => sub {
2548 my ($who, $arg) = @_; 3284 my ($who, $arg) = @_;
2549 3285
2550 if ($who->flag (FLAG_WIZ)) { 3286 if ($who->flag (FLAG_WIZ)) {
2551 $who->message ("reloading server."); 3287 $who->message ("reloading server.");
2552 3288 async { reload_perl };
2553 # doing reload synchronously and two reloads happen back-to-back,
2554 # coro crashes during coro_state_free->destroy here.
2555
2556 $RELOAD_WATCHER ||= Event->timer (
2557 reentrant => 0,
2558 after => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => sub {
2561 reload;
2562 undef $RELOAD_WATCHER;
2563 },
2564 );
2565 } 3289 }
2566}; 3290};
2567 3291
2568unshift @INC, $LIBDIR; 3292unshift @INC, $LIBDIR;
2569 3293
2570my $bug_warning = 0; 3294my $bug_warning = 0;
2571 3295
3296our @WAIT_FOR_TICK;
3297our @WAIT_FOR_TICK_BEGIN;
3298
3299sub wait_for_tick {
3300 return unless $TICK_WATCHER->is_active;
3301 return if $Coro::current == $Coro::main;
3302
3303 my $signal = new Coro::Signal;
3304 push @WAIT_FOR_TICK, $signal;
3305 $signal->wait;
3306}
3307
3308sub wait_for_tick_begin {
3309 return unless $TICK_WATCHER->is_active;
3310 return if $Coro::current == $Coro::main;
3311
3312 my $signal = new Coro::Signal;
3313 push @WAIT_FOR_TICK_BEGIN, $signal;
3314 $signal->wait;
3315}
3316
3317 my $min = 1e6;#d#
3318 my $avg = 10;
2572$TICK_WATCHER = Event->timer ( 3319$TICK_WATCHER = Event->timer (
2573 reentrant => 0, 3320 reentrant => 0,
2574 parked => 1, 3321 parked => 1,
2575 prio => 0, 3322 prio => 0,
2576 at => $NEXT_TICK || $TICK, 3323 at => $NEXT_TICK || $TICK,
2580 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3327 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581 unless ++$bug_warning > 10; 3328 unless ++$bug_warning > 10;
2582 return; 3329 return;
2583 } 3330 }
2584 3331
2585 $NOW = Event::time; 3332 $NOW = $tick_start = Event::time;
2586 3333
2587 cf::server_tick; # one server iteration 3334 cf::server_tick; # one server iteration
3335
3336 0 && sync_job {#d#
3337 for(1..10) {
3338 my $t = Event::time;
3339 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3340 or die;
3341
3342 $map->width (50);
3343 $map->height (50);
3344 $map->alloc;
3345 $map->_load_objects ("/tmp/x.map", 1);
3346 my $t = Event::time - $t;
3347
3348 #next unless $t < 0.0013;#d#
3349 if ($t < $min) {
3350 $min = $t;
3351 }
3352 $avg = $avg * 0.99 + $t * 0.01;
3353 }
3354 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3355 exit 0;
3356 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3357 };
3358
2588 $RUNTIME += $TICK; 3359 $RUNTIME += $TICK;
2589 $NEXT_TICK += $TICK; 3360 $NEXT_TICK += $TICK;
2590 3361
2591 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3362 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592 $NEXT_RUNTIME_WRITE = $NOW + 10; 3363 $NEXT_RUNTIME_WRITE = $NOW + 10;
2594 write_runtime 3365 write_runtime
2595 or warn "ERROR: unable to write runtime file: $!"; 3366 or warn "ERROR: unable to write runtime file: $!";
2596 }; 3367 };
2597 } 3368 }
2598 3369
2599 $WAIT_FOR_TICK->broadcast;
2600 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602# my $AFTER = Event::time; 3370# my $AFTER = Event::time;
2603# warn $AFTER - $NOW;#d# 3371# warn $AFTER - $NOW;#d#
2604 3372
3373 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3374 $sig->send;
3375 }
3376 while (my $sig = shift @WAIT_FOR_TICK) {
3377 $sig->send;
3378 }
3379
3380 $NOW = Event::time;
3381
2605 # if we are delayed by four ticks or more, skip them all 3382 # if we are delayed by four ticks or more, skip them all
2606 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3383 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607 3384
2608 $TICK_WATCHER->at ($NEXT_TICK); 3385 $TICK_WATCHER->at ($NEXT_TICK);
2609 $TICK_WATCHER->start; 3386 $TICK_WATCHER->start;
3387
3388 $LOAD = ($NOW - $tick_start) / $TICK;
3389 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3390
3391 _post_tick;
3392
3393
2610 }, 3394 },
2611); 3395);
2612 3396
2613{ 3397{
2614 BDB::max_poll_time $TICK * 0.1; 3398 BDB::max_poll_time $TICK * 0.1;
2642 3426
2643 cf::sync_job { 3427 cf::sync_job {
2644 eval { 3428 eval {
2645 BDB::db_env_open 3429 BDB::db_env_open
2646 $DB_ENV, 3430 $DB_ENV,
2647 $BDB_ENV_DIR, 3431 $BDBDIR,
2648 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3432 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3433 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650 0666; 3434 0666;
2651 3435
2652 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3436 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653 3437
2654 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3438 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655 $DB_ENV->set_lk_detect; 3439 $DB_ENV->set_lk_detect;
2656 }; 3440 };
2657 3441
2673 prio => 6, 3457 prio => 6,
2674 cb => \&IO::AIO::poll_cb, 3458 cb => \&IO::AIO::poll_cb,
2675 ); 3459 );
2676} 3460}
2677 3461
3462my $_log_backtrace;
3463
3464sub _log_backtrace {
3465 my ($msg, @addr) = @_;
3466
3467 $msg =~ s/\n//;
3468
3469 # limit the # of concurrent backtraces
3470 if ($_log_backtrace < 2) {
3471 ++$_log_backtrace;
3472 async {
3473 my @bt = fork_call {
3474 @addr = map { sprintf "%x", $_ } @addr;
3475 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3476 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3477 or die "addr2line: $!";
3478
3479 my @funcs;
3480 my @res = <$fh>;
3481 chomp for @res;
3482 while (@res) {
3483 my ($func, $line) = splice @res, 0, 2, ();
3484 push @funcs, "[$func] $line";
3485 }
3486
3487 @funcs
3488 };
3489
3490 LOG llevInfo, "[ABT] $msg\n";
3491 LOG llevInfo, "[ABT] $_\n" for @bt;
3492 --$_log_backtrace;
3493 };
3494 } else {
3495 LOG llevInfo, "[ABT] $msg\n";
3496 LOG llevInfo, "[ABT] [suppressed]\n";
3497 }
3498}
3499
3500# load additional modules
3501use cf::pod;
3502
2678END { cf::emergency_save } 3503END { cf::emergency_save }
2679 3504
26801 35051
2681 3506

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