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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.330 by elmex, Fri Aug 10 10:35:07 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, %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
1143=item $player->ext_event ($type, %msg) 1556=item $player->ext_msg ($type, @msg)
1144 1557
1145Sends an ext event to the client. 1558Sends an ext event to the client.
1146 1559
1147=cut 1560=cut
1148 1561
1149sub ext_event($$%) { 1562sub ext_msg($$@) {
1150 my ($self, $type, %msg) = @_; 1563 my ($self, $type, @msg) = @_;
1151 1564
1152 delete $msg{msgid}; 1565 $self->ns->ext_msg ($type, @msg);
1153 $msg{msgtype} = "event";
1154 $msg{eventtype} = $type;
1155
1156 $self->send ("ext " . cf::to_json \%msg);
1157} 1566}
1158 1567
1159package cf; 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 $match
1595}
1160 1596
1161=back 1597=back
1162
1163 1598
1164=head3 cf::map 1599=head3 cf::map
1165 1600
1166=over 4 1601=over 4
1167 1602
1222 my ($self, $merge) = @_; 1657 my ($self, $merge) = @_;
1223 1658
1224 # we have to keep some variables in memory intact 1659 # we have to keep some variables in memory intact
1225 local $self->{path}; 1660 local $self->{path};
1226 local $self->{load_path}; 1661 local $self->{load_path};
1227 local $self->{deny_save};
1228 local $self->{deny_reset};
1229 1662
1230 $self->SUPER::thawer_merge ($merge); 1663 $self->SUPER::thawer_merge ($merge);
1231} 1664}
1232 1665
1233sub normalise { 1666sub normalise {
1280 $self->init; # pass $1 etc. 1713 $self->init; # pass $1 etc.
1281 return $self; 1714 return $self;
1282 } 1715 }
1283 } 1716 }
1284 1717
1285 Carp::carp "unable to resolve path '$path' (base '$base')."; 1718 Carp::cluck "unable to resolve path '$path' (base '$base').";
1286 () 1719 ()
1287} 1720}
1288 1721
1289sub init { 1722sub init {
1290 my ($self) = @_; 1723 my ($self) = @_;
1305 1738
1306# the original (read-only) location 1739# the original (read-only) location
1307sub load_path { 1740sub load_path {
1308 my ($self) = @_; 1741 my ($self) = @_;
1309 1742
1310 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1743 "$MAPDIR/$self->{path}.map"
1311} 1744}
1312 1745
1313# the temporary/swap location 1746# the temporary/swap location
1314sub save_path { 1747sub save_path {
1315 my ($self) = @_; 1748 my ($self) = @_;
1316 1749
1317 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1751 "$TMPDIR/$path.map"
1319} 1752}
1320 1753
1321# the unique path, undef == no special unique path 1754# the unique path, undef == no special unique path
1322sub uniq_path { 1755sub uniq_path {
1323 my ($self) = @_; 1756 my ($self) = @_;
1324 1757
1325 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1758 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1759 "$UNIQUEDIR/$path"
1327} 1760}
1328 1761
1329# and all this just because we cannot iterate over 1762# and all this just because we cannot iterate over
1330# all maps in C++... 1763# all maps in C++...
1331sub change_all_map_light { 1764sub change_all_map_light {
1332 my ($change) = @_; 1765 my ($change) = @_;
1333 1766
1334 $_->change_map_light ($change) 1767 $_->change_map_light ($change)
1335 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 $self->do_decay_objects;
1336} 1777}
1337 1778
1338sub unlink_save { 1779sub unlink_save {
1339 my ($self) = @_; 1780 my ($self) = @_;
1340 1781
1398 $self->load_header_orig 1839 $self->load_header_orig
1399 or return; 1840 or return;
1400 $self->prepare_orig; 1841 $self->prepare_orig;
1401 } 1842 }
1402 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
1403 1 1850 1
1404} 1851}
1405 1852
1406sub find; 1853sub find;
1407sub find { 1854sub find {
1419 $map->{last_save} = $cf::RUNTIME; 1866 $map->{last_save} = $cf::RUNTIME;
1420 1867
1421 $map->load_header 1868 $map->load_header
1422 or return; 1869 or return;
1423 1870
1424 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1871 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425 # doing this can freeze the server in a sync job, obviously 1872 # doing this can freeze the server in a sync job, obviously
1426 #$cf::WAIT_FOR_TICK->wait; 1873 #$cf::WAIT_FOR_TICK->wait;
1427 $map->reset; 1874 $map->reset;
1428 undef $guard; 1875 undef $guard;
1429 return find $path; 1876 return find $path;
1440 my ($self) = @_; 1887 my ($self) = @_;
1441 1888
1442 local $self->{deny_reset} = 1; # loading can take a long time 1889 local $self->{deny_reset} = 1; # loading can take a long time
1443 1890
1444 my $path = $self->{path}; 1891 my $path = $self->{path};
1892
1893 {
1445 my $guard = cf::lock_acquire "map_load:$path"; 1894 my $guard = cf::lock_acquire "map_load:$path";
1446 1895
1447 return if $self->in_memory != cf::MAP_SWAPPED; 1896 return if $self->in_memory != cf::MAP_SWAPPED;
1448 1897
1449 $self->in_memory (cf::MAP_LOADING); 1898 $self->in_memory (cf::MAP_LOADING);
1450 1899
1451 $self->alloc; 1900 $self->alloc;
1452 1901
1453 $self->pre_load; 1902 $self->pre_load;
1454
1455 $self->_load_objects ($self->{load_path}, 1)
1456 or return;
1457
1458 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459 if delete $self->{load_original};
1460
1461 if (my $uniq = $self->uniq_path) {
1462 utf8::encode $uniq;
1463 if (aio_open $uniq, O_RDONLY, 0) {
1464 $self->clear_unique_items;
1465 $self->_load_objects ($uniq, 0);
1466 }
1467 }
1468
1469 Coro::cede;
1470
1471 # now do the right thing for maps
1472 $self->link_multipart_objects;
1473
1474 unless ($self->{deny_activate}) {
1475 $self->decay_objects;
1476 $self->fix_auto_apply;
1477 $self->update_buttons;
1478 Coro::cede; 1903 Coro::cede;
1479 $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;
1480 $self->difficulty ($self->estimate_difficulty) 1922 $self->difficulty ($self->estimate_difficulty)
1481 unless $self->difficulty; 1923 unless $self->difficulty;
1482 Coro::cede; 1924 Coro::cede;
1925
1926 unless ($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;
1483 $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);
1484 } 1940 }
1485 1941
1486 $self->post_load; 1942 $self->post_load;
1487
1488 $self->in_memory (cf::MAP_IN_MEMORY);
1489} 1943}
1490 1944
1491sub customise_for { 1945sub customise_for {
1492 my ($self, $ob) = @_; 1946 my ($self, $ob) = @_;
1493 1947
1494 return find "~" . $ob->name . "/" . $self->{path} 1948 return find "~" . $ob->name . "/" . $self->{path}
1495 if $self->per_player; 1949 if $self->per_player;
1950
1951# return find "?party/" . $ob->name . "/" . $self->{path}
1952# if $self->per_party;
1496 1953
1497 $self 1954 $self
1498} 1955}
1499 1956
1500# 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
1547 2004
1548 undef $MAP_PREFETCH{$path}; 2005 undef $MAP_PREFETCH{$path};
1549 $MAP_PREFETCHER ||= cf::async { 2006 $MAP_PREFETCHER ||= cf::async {
1550 while (%MAP_PREFETCH) { 2007 while (%MAP_PREFETCH) {
1551 for my $path (keys %MAP_PREFETCH) { 2008 for my $path (keys %MAP_PREFETCH) {
1552 my $map = find $path 2009 if (my $map = find $path) {
1553 or next;
1554 $map->load; 2010 $map->load;
2011 }
1555 2012
1556 delete $MAP_PREFETCH{$path}; 2013 delete $MAP_PREFETCH{$path};
1557 } 2014 }
1558 } 2015 }
1559 undef $MAP_PREFETCHER; 2016 undef $MAP_PREFETCHER;
1611 2068
1612sub reset_at { 2069sub reset_at {
1613 my ($self) = @_; 2070 my ($self) = @_;
1614 2071
1615 # TODO: safety, remove and allow resettable per-player maps 2072 # TODO: safety, remove and allow resettable per-player maps
1616 return 1e99 if $self->isa ("ext::map_per_player");#d#
1617 return 1e99 if $self->{deny_reset}; 2073 return 1e99 if $self->{deny_reset};
1618 2074
1619 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2075 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2076 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621 2077
1632 my ($self) = @_; 2088 my ($self) = @_;
1633 2089
1634 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2090 my $lock = cf::lock_acquire "map_data:$self->{path}";
1635 2091
1636 return if $self->players; 2092 return if $self->players;
1637 return if $self->isa ("ext::map_per_player");#d#
1638 2093
1639 warn "resetting map ", $self->path;#d# 2094 warn "resetting map ", $self->path;
1640 2095
1641 $self->in_memory (cf::MAP_SWAPPED); 2096 $self->in_memory (cf::MAP_SWAPPED);
1642 2097
1643 # need to save uniques path 2098 # need to save uniques path
1644 unless ($self->{deny_save}) { 2099 unless ($self->{deny_save}) {
1676 $cf::MAP{$self->path} = $self; 2131 $cf::MAP{$self->path} = $self;
1677 2132
1678 $self->reset; # polite request, might not happen 2133 $self->reset; # polite request, might not happen
1679} 2134}
1680 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
1681=item cf::map::unique_maps 2172=item cf::map::unique_maps
1682 2173
1683Returns an arrayref of paths of all shared maps that have 2174Returns an arrayref of paths of all shared maps that have
1684instantiated unique items. May block. 2175instantiated unique items. May block.
1685 2176
1686=cut 2177=cut
1687 2178
1688sub unique_maps() { 2179sub unique_maps() {
1689 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2180 [
1690 or return; 2181 map {
1691
1692 my @paths;
1693
1694 for (@$files) {
1695 utf8::decode $_; 2182 utf8::decode $_;
1696 next if /\.pst$/; 2183 /\.map$/
1697 next unless /^$PATH_SEP/o; 2184 ? normalise $_
1698 2185 : ()
1699 push @paths, cf::map::normalise $_; 2186 } @{ aio_readdir $UNIQUEDIR or [] }
1700 } 2187 ]
1701
1702 \@paths
1703} 2188}
1704 2189
1705package cf; 2190package cf;
1706 2191
1707=back 2192=back
1753 2238
1754 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2239 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755 2240
1756 if ($self->{record_replies}) { 2241 if ($self->{record_replies}) {
1757 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2242 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2243
1758 } 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 {
1759 $msg = $npc->name . " says: $msg" if $npc; 2252 $msg = $npc->name . " says: $msg" if $npc;
1760 $self->message ($msg, $flags); 2253 $self->message ($msg, $flags);
2254 }
1761 } 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 (@_);
1762} 2266}
1763 2267
1764=item $player_object->may ("access") 2268=item $player_object->may ("access")
1765 2269
1766Returns wether the given player is authorized to access resource "access" 2270Returns wether the given player is authorized to access resource "access"
1813 $self->deactivate_recursive; 2317 $self->deactivate_recursive;
1814 2318
1815 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2319 return if UNIVERSAL::isa $self->map, "ext::map_link";
1816 2320
1817 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2321 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818 if $self->map; 2322 if $self->map && $self->map->{path} ne "{link}";
1819 2323
1820 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2324 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1821} 2325}
1822 2326
1823sub cf::object::player::leave_link { 2327sub cf::object::player::leave_link {
1824 my ($self, $map, $x, $y) = @_; 2328 my ($self, $map, $x, $y) = @_;
2329
2330 return unless $self->contr->active;
1825 2331
1826 my $link_pos = delete $self->{_link_pos}; 2332 my $link_pos = delete $self->{_link_pos};
1827 2333
1828 unless ($map) { 2334 unless ($map) {
1829 # restore original map position 2335 # restore original map position
1852 2358
1853 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2359 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854 $self->enter_map ($map, $x, $y); 2360 $self->enter_map ($map, $x, $y);
1855} 2361}
1856 2362
1857cf::player->attach ( 2363=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858 on_logout => sub {
1859 my ($pl) = @_;
1860 2364
1861 # abort map switching before logout 2365Moves the player to the given map-path and coordinates by first freezing
1862 if ($pl->ob->{_link_pos}) { 2366her, loading and preparing them map, calling the provided $check callback
1863 cf::sync_job { 2367that has to return the map if sucecssful, and then unfreezes the player on
1864 $pl->ob->leave_link 2368the new (success) or old (failed) map position. In either case, $done will
1865 }; 2369be called at the end of this process.
1866 }
1867 },
1868 on_login => sub {
1869 my ($pl) = @_;
1870 2370
1871 # try to abort aborted map switching on player login :)
1872 # should happen only on crashes
1873 if ($pl->ob->{_link_pos}) {
1874 $pl->ob->enter_link;
1875 (async {
1876 $pl->ob->reply (undef,
1877 "There was an internal problem at your last logout, "
1878 . "the server will try to bring you to your intended destination in a second.",
1879 cf::NDI_RED);
1880 # we need this sleep as the login has a concurrent enter_exit running
1881 # and this sleep increases chances of the player not ending up in scorn
1882 Coro::Timer::sleep 1;
1883 $pl->ob->leave_link;
1884 })->prio (2);
1885 }
1886 },
1887);
1888
1889=item $player_object->goto ($path, $x, $y)
1890
1891=cut 2371=cut
2372
2373our $GOTOGEN;
1892 2374
1893sub cf::object::player::goto { 2375sub cf::object::player::goto {
1894 my ($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;
1895 2380
1896 $self->enter_link; 2381 $self->enter_link;
1897 2382
1898 (async { 2383 (async {
1899 my $map = eval { 2384 my $map = eval {
1900 my $map = cf::map::find $path; 2385 my $map = cf::map::find $path;
2386
2387 if ($map) {
1901 $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
1902 $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 $@;
1903 } or 2400 }
1904 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905 2401
2402 if ($gen == $self->{_goto_generation}) {
2403 delete $self->{_goto_generation};
1906 $self->leave_link ($map, $x, $y); 2404 $self->leave_link ($map, $x, $y);
2405 }
2406
2407 $done->() if $done;
1907 })->prio (1); 2408 })->prio (1);
1908} 2409}
1909 2410
1910=item $player_object->enter_exit ($exit_object) 2411=item $player_object->enter_exit ($exit_object)
1911 2412
1950 2451
1951 $rmp->{random_seed} ||= $exit->random_seed; 2452 $rmp->{random_seed} ||= $exit->random_seed;
1952 2453
1953 my $data = cf::to_json $rmp; 2454 my $data = cf::to_json $rmp;
1954 my $md5 = Digest::MD5::md5_hex $data; 2455 my $md5 = Digest::MD5::md5_hex $data;
1955 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2456 my $meta = "$RANDOMDIR/$md5.meta";
1956 2457
1957 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2458 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958 aio_write $fh, 0, (length $data), $data, 0; 2459 aio_write $fh, 0, (length $data), $data, 0;
1959 undef $fh; 2460 undef $fh;
1960 aio_rename "$meta~", $meta; 2461 aio_rename "$meta~", $meta;
1969 2470
1970 return unless $self->type == cf::PLAYER; 2471 return unless $self->type == cf::PLAYER;
1971 2472
1972 if ($exit->slaying eq "/!") { 2473 if ($exit->slaying eq "/!") {
1973 #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
1974 cf::sync_job { prepare_random_map $exit }; 2477 cf::sync_job { prepare_random_map $exit };
1975 } 2478 }
1976 2479
1977 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;
1978 my $hp = $exit->stats->hp; 2481 my $hp = $exit->stats->hp;
1979 my $sp = $exit->stats->sp; 2482 my $sp = $exit->stats->sp;
1980 2483
1981 $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);
1982 2489
1983 (async { 2490 (async {
1984 $self->deactivate_recursive; # just to be sure 2491 $self->deactivate_recursive; # just to be sure
1985 unless (eval { 2492 unless (eval {
1986 $self->goto ($slaying, $hp, $sp); 2493 $self->goto ($slaying, $hp, $sp);
1987 2494
1988 1; 2495 1;
1989 }) { 2496 }) {
1990 $self->message ("Something went wrong deep within the crossfire server. " 2497 $self->message ("Something went wrong deep within the crossfire server. "
1991 . "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. "
1992 . "Please report this to the dungeon master!", 2499 . "Please report this to the dungeon master!",
1993 cf::NDI_UNIQUE | cf::NDI_RED); 2500 cf::NDI_UNIQUE | cf::NDI_RED);
1994 2501
1995 warn "ERROR in enter_exit: $@"; 2502 warn "ERROR in enter_exit: $@";
1996 $self->leave_link; 2503 $self->leave_link;
1997 } 2504 }
1998 })->prio (1); 2505 })->prio (1);
2014 2521
2015 utf8::encode $text; 2522 utf8::encode $text;
2016 $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);
2017} 2524}
2018 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 $self->send_packet ("drawextinfo $color 4 0 $msg")
2579 } else {
2580 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581 $self->send_packet ("drawinfo $color $msg")
2582 }
2583 }
2584 }
2585}
2586
2587=item $client->ext_msg ($type, @msg)
2588
2589Sends an ext event to the client.
2590
2591=cut
2592
2593sub cf::client::ext_msg($$@) {
2594 my ($self, $type, @msg) = @_;
2595
2596 my $extcmd = $self->extcmd;
2597
2598 if ($extcmd == 2) {
2599 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600 } elsif ($extcmd == 1) { # TODO: remove
2601 push @msg, msgtype => "event_$type";
2602 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603 }
2604}
2019 2605
2020=item $success = $client->query ($flags, "text", \&cb) 2606=item $success = $client->query ($flags, "text", \&cb)
2021 2607
2022Queues a query to the client, calling the given callback with 2608Queues a query to the client, calling the given callback with
2023the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2609the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2610C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025 2611
2026Queries can fail, so check the return code. Or don't, as queries will become 2612Queries can fail, so check the return code. Or don't, as queries will
2027reliable at some point in the future. 2613become reliable at some point in the future.
2028 2614
2029=cut 2615=cut
2030 2616
2031sub cf::client::query { 2617sub cf::client::query {
2032 my ($self, $flags, $text, $cb) = @_; 2618 my ($self, $flags, $text, $cb) = @_;
2040 utf8::encode $text; 2626 utf8::encode $text;
2041 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2627 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042 2628
2043 $self->send_packet ($self->{query_queue}[0][0]) 2629 $self->send_packet ($self->{query_queue}[0][0])
2044 if @{ $self->{query_queue} } == 1; 2630 if @{ $self->{query_queue} } == 1;
2631
2632 1
2045} 2633}
2046 2634
2047cf::client->attach ( 2635cf::client->attach (
2636 on_connect => sub {
2637 my ($ns) = @_;
2638
2639 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2640 },
2048 on_reply => sub { 2641 on_reply => sub {
2049 my ($ns, $msg) = @_; 2642 my ($ns, $msg) = @_;
2050 2643
2051 # this weird shuffling is so that direct followup queries 2644 # this weird shuffling is so that direct followup queries
2052 # get handled first 2645 # get handled first
2064 } else { 2657 } else {
2065 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2658 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066 } 2659 }
2067 } 2660 }
2068 }, 2661 },
2662 on_exticmd => sub {
2663 my ($ns, $buf) = @_;
2664
2665 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2666
2667 if (ref $msg) {
2668 my ($type, $reply, @payload) =
2669 "ARRAY" eq ref $msg
2670 ? @$msg
2671 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672
2673 if (my $cb = $EXTICMD{$type}) {
2674 my @reply = $cb->($ns, @payload);
2675
2676 $ns->ext_reply ($reply, @reply)
2677 if $reply;
2678 }
2679 } else {
2680 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681 }
2682
2683 cf::override;
2684 },
2069); 2685);
2070 2686
2071=item $client->async (\&cb) 2687=item $client->async (\&cb)
2072 2688
2073Create a new coroutine, running the specified callback. The coroutine will 2689Create a new coroutine, running the specified callback. The coroutine will
2114our $safe = new Safe "safe"; 2730our $safe = new Safe "safe";
2115our $safe_hole = new Safe::Hole; 2731our $safe_hole = new Safe::Hole;
2116 2732
2117$SIG{FPE} = 'IGNORE'; 2733$SIG{FPE} = 'IGNORE';
2118 2734
2119$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2735$safe->permit_only (Opcode::opset qw(
2736 :base_core :base_mem :base_orig :base_math
2737 grepstart grepwhile mapstart mapwhile
2738 sort time
2739));
2120 2740
2121# here we export the classes and methods available to script code 2741# here we export the classes and methods available to script code
2122 2742
2123=pod 2743=pod
2124 2744
2125The following functions and methods are available within a safe environment: 2745The following functions and methods are available within a safe environment:
2126 2746
2127 cf::object contr pay_amount pay_player map 2747 cf::object
2748 contr pay_amount pay_player map x y force_find force_add
2749 insert remove name archname title slaying race
2750
2128 cf::object::player player 2751 cf::object::player
2129 cf::player peaceful 2752 player
2130 cf::map trigger 2753
2754 cf::player
2755 peaceful
2756
2757 cf::map
2758 trigger
2131 2759
2132=cut 2760=cut
2133 2761
2134for ( 2762for (
2135 ["cf::object" => qw(contr pay_amount pay_player map)], 2763 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764 insert remove inv name archname title slaying race)],
2136 ["cf::object::player" => qw(player)], 2765 ["cf::object::player" => qw(player)],
2137 ["cf::player" => qw(peaceful)], 2766 ["cf::player" => qw(peaceful)],
2138 ["cf::map" => qw(trigger)], 2767 ["cf::map" => qw(trigger)],
2139) { 2768) {
2140 no strict 'refs'; 2769 no strict 'refs';
2211=back 2840=back
2212 2841
2213=cut 2842=cut
2214 2843
2215############################################################################# 2844#############################################################################
2216
2217=head2 EXTENSION DATABASE SUPPORT
2218
2219Crossfire maintains a very simple database for extension use. It can
2220currently store anything that can be serialised using Storable, which
2221excludes objects.
2222
2223The parameter C<$family> should best start with the name of the extension
2224using it, it should be unique.
2225
2226=over 4
2227
2228=item $value = cf::db_get $family => $key
2229
2230Returns a single value from the database.
2231
2232=item cf::db_put $family => $key => $value
2233
2234Stores the given C<$value> in the family.
2235
2236=cut
2237
2238our $DB;
2239
2240sub db_init {
2241 unless ($DB) {
2242 $DB = BDB::db_create $DB_ENV;
2243
2244 cf::sync_job {
2245 eval {
2246 $DB->set_flags (BDB::CHKSUM);
2247
2248 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250 cf::cleanup "db_open(db): $!" if $!;
2251 };
2252 cf::cleanup "db_open(db): $@" if $@;
2253 };
2254
2255 my $path = cf::localdir . "/database.pst";
2256 if (stat $path) {
2257 cf::sync_job {
2258 my $pst = Storable::retrieve $path;
2259
2260 cf::db_put (board => data => $pst->{board});
2261 cf::db_put (guildrules => data => $pst->{guildrules});
2262 cf::db_put (rent => balance => $pst->{rent}{balance});
2263 BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265 unlink $path;
2266 };
2267 }
2268 }
2269}
2270
2271sub db_get($$) {
2272 my $key = "$_[0]/$_[1]";
2273
2274 cf::sync_job {
2275 BDB::db_get $DB, undef, $key, my $data;
2276
2277 $! ? ()
2278 : Compress::LZF::sthaw $data
2279 }
2280}
2281
2282sub db_put($$$) {
2283 BDB::dbreq_pri 4;
2284 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285}
2286
2287#############################################################################
2288# the server's init and main functions 2845# the server's init and main functions
2289 2846
2290sub load_facedata { 2847sub load_facedata($) {
2291 my $path = sprintf "%s/facedata", cf::datadir; 2848 my ($path) = @_;
2292 2849
2293 warn "loading facedata from $path\n"; 2850 warn "loading facedata from $path\n";
2294 2851
2295 my $faces; 2852 my $facedata;
2296 0 < aio_load $path, $faces 2853 0 < aio_load $path, $facedata
2297 or die "$path: $!"; 2854 or die "$path: $!";
2298 2855
2299 Coro::cede;
2300 $faces = Storable::thaw $faces; 2856 $facedata = Coro::Storable::thaw $facedata;
2301 Coro::cede;
2302 2857
2303 my $meta = delete $faces->{""};
2304 $meta->{version} == 1 2858 $facedata->{version} == 2
2305 or cf::cleanup "$path: version mismatch, cannot proceed."; 2859 or cf::cleanup "$path: version mismatch, cannot proceed.";
2306 2860
2861 {
2862 my $faces = $facedata->{faceinfo};
2863
2307 while (my ($face, $info) = each %$faces) { 2864 while (my ($face, $info) = each %$faces) {
2308 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2865 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2866 cf::face::set_visibility $idx, $info->{visibility};
2867 cf::face::set_magicmap $idx, $info->{magicmap};
2310 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2868 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2311 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2869 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2312 Coro::cede;
2313 }
2314 2870
2871 cf::cede_to_tick;
2872 }
2873
2315 while (my ($face, $info) = each %$faces) { 2874 while (my ($face, $info) = each %$faces) {
2316 next unless $info->{smooth}; 2875 next unless $info->{smooth};
2317 my $idx = cf::face::find $face 2876 my $idx = cf::face::find $face
2318 or next; 2877 or next;
2319 if (my $smooth = cf::face::find $info->{smooth}) { 2878 if (my $smooth = cf::face::find $info->{smooth}) {
2320 cf::face::set_smooth $idx, $smooth; 2879 cf::face::set_smooth $idx, $smooth;
2880 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321 } else { 2881 } else {
2322 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2882 warn "smooth face '$info->{smooth}' not found for face '$face'";
2323 } 2883 }
2324 Coro::cede; 2884
2885 cf::cede_to_tick;
2886 }
2887 }
2888
2889 {
2890 my $anims = $facedata->{animinfo};
2891
2892 while (my ($anim, $info) = each %$anims) {
2893 cf::anim::set $anim, $info->{frames}, $info->{facings};
2894 cf::cede_to_tick;
2895 }
2896
2897 cf::anim::invalidate_all; # d'oh
2898 }
2899
2900 {
2901 # TODO: for gcfclient pleasure, we should give resources
2902 # that gcfclient doesn't grok a >10000 face index.
2903 my $res = $facedata->{resource};
2904 my $enc = JSON::XS->new->utf8->canonical;
2905
2906 my $soundconf = delete $res->{"res/sound.conf"};
2907
2908 while (my ($name, $info) = each %$res) {
2909 my $meta = $enc->encode ({
2910 name => $name,
2911 %{ $info->{meta} || {} },
2912 });
2913
2914 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2915
2916 if ($info->{type} & 1) {
2917 # prepend meta info
2918
2919 my $data = pack "(w/a*)*", $meta, $info->{data};
2920 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2921
2922 cf::face::set_data $idx, 0, $data, $chk;
2923 } else {
2924 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
2925 }
2926
2927 cf::face::set_type $idx, $info->{type};
2928
2929 cf::cede_to_tick;
2930 }
2931
2932 if ($soundconf) {
2933 $soundconf = $enc->decode (delete $soundconf->{data});
2934
2935 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936 my $sound = $soundconf->{compat}[$_]
2937 or next;
2938
2939 my $face = cf::face::find "sound/$sound->[1]";
2940 cf::sound::set $sound->[0] => $face;
2941 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942 }
2943
2944 while (my ($k, $v) = each %{$soundconf->{event}}) {
2945 my $face = cf::face::find "sound/$v";
2946 cf::sound::set $k => $face;
2947 }
2948 }
2325 } 2949 }
2326 2950
2327 1 2951 1
2328} 2952}
2329 2953
2954register_exticmd fx_want => sub {
2955 my ($ns, $want) = @_;
2956
2957 while (my ($k, $v) = each %$want) {
2958 $ns->fx_want ($k, $v);
2959 }
2960};
2961
2962sub reload_regions {
2963 load_resource_file "$MAPDIR/regions"
2964 or die "unable to load regions file\n";
2965
2966 for (cf::region::list) {
2967 $_->{match} = qr/$_->{match}/
2968 if exists $_->{match};
2969 }
2970}
2971
2972sub reload_facedata {
2973 load_facedata "$DATADIR/facedata"
2974 or die "unable to load facedata\n";
2975}
2976
2977sub reload_archetypes {
2978 load_resource_file "$DATADIR/archetypes"
2979 or die "unable to load archetypes\n";
2980 #d# NEED to laod twice to resolve forward references
2981 # this really needs to be done in an extra post-pass
2982 # (which needs to be synchronous, so solve it differently)
2983 load_resource_file "$DATADIR/archetypes"
2984 or die "unable to load archetypes\n";
2985}
2986
2987sub reload_treasures {
2988 load_resource_file "$DATADIR/treasures"
2989 or die "unable to load treasurelists\n";
2990}
2991
2330sub reload_resources { 2992sub reload_resources {
2331 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2993 warn "reloading resource files...\n";
2332 or die "unable to load regions file\n";#d# 2994
2995 reload_regions;
2333 load_facedata 2996 reload_facedata;
2334 or die "unable to load facedata\n";#d# 2997 #reload_archetypes;#d#
2998 reload_archetypes;
2999 reload_treasures;
3000
3001 warn "finished reloading resource files\n";
2335} 3002}
2336 3003
2337sub init { 3004sub init {
2338 reload_resources; 3005 reload_resources;
2339} 3006}
2340 3007
2341sub cfg_load { 3008sub cfg_load {
2342 open my $fh, "<:utf8", cf::confdir . "/config" 3009 open my $fh, "<:utf8", "$CONFDIR/config"
2343 or return; 3010 or return;
2344 3011
2345 local $/; 3012 local $/;
2346 *CFG = YAML::Syck::Load <$fh>; 3013 *CFG = YAML::Syck::Load <$fh>;
2347 3014
2392 }, 3059 },
2393 ); 3060 );
2394 } 3061 }
2395} 3062}
2396 3063
3064sub write_runtime {
3065 my $runtime = "$LOCALDIR/runtime";
3066
3067 # first touch the runtime file to show we are still running:
3068 # the fsync below can take a very very long time.
3069
3070 IO::AIO::aio_utime $runtime, undef, undef;
3071
3072 my $guard = cf::lock_acquire "write_runtime";
3073
3074 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3075 or return;
3076
3077 my $value = $cf::RUNTIME + 90 + 10;
3078 # 10 is the runtime save interval, for a monotonic clock
3079 # 60 allows for the watchdog to kill the server.
3080
3081 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3082 and return;
3083
3084 # always fsync - this file is important
3085 aio_fsync $fh
3086 and return;
3087
3088 # touch it again to show we are up-to-date
3089 aio_utime $fh, undef, undef;
3090
3091 close $fh
3092 or return;
3093
3094 aio_rename "$runtime~", $runtime
3095 and return;
3096
3097 warn "runtime file written.\n";
3098
3099 1
3100}
3101
2397sub emergency_save() { 3102sub emergency_save() {
2398 my $freeze_guard = cf::freeze_mainloop; 3103 my $freeze_guard = cf::freeze_mainloop;
2399 3104
2400 warn "enter emergency perl save\n"; 3105 warn "enter emergency perl save\n";
2401 3106
2432 3137
2433 warn Carp::longmess "post_cleanup backtrace" 3138 warn Carp::longmess "post_cleanup backtrace"
2434 if $make_core; 3139 if $make_core;
2435} 3140}
2436 3141
2437sub reload() { 3142sub do_reload_perl() {
2438 # can/must only be called in main 3143 # can/must only be called in main
2439 if ($Coro::current != $Coro::main) { 3144 if ($Coro::current != $Coro::main) {
2440 warn "can only reload from main coroutine"; 3145 warn "can only reload from main coroutine";
2441 return; 3146 return;
2442 } 3147 }
2476 %EXT_CORO = (); 3181 %EXT_CORO = ();
2477 3182
2478 warn "removing commands"; 3183 warn "removing commands";
2479 %COMMAND = (); 3184 %COMMAND = ();
2480 3185
2481 warn "removing ext commands"; 3186 warn "removing ext/exti commands";
2482 %EXTCMD = (); 3187 %EXTCMD = ();
3188 %EXTICMD = ();
2483 3189
2484 warn "unloading/nuking all extensions"; 3190 warn "unloading/nuking all extensions";
2485 for my $pkg (@EXTS) { 3191 for my $pkg (@EXTS) {
2486 warn "... unloading $pkg"; 3192 warn "... unloading $pkg";
2487 3193
2517 Symbol::delete_package "safe::$_" 3223 Symbol::delete_package "safe::$_"
2518 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3224 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519 3225
2520 warn "unloading cf.pm \"a bit\""; 3226 warn "unloading cf.pm \"a bit\"";
2521 delete $INC{"cf.pm"}; 3227 delete $INC{"cf.pm"};
3228 delete $INC{"cf/pod.pm"};
2522 3229
2523 # don't, removes xs symbols, too, 3230 # don't, removes xs symbols, too,
2524 # and global variables created in xs 3231 # and global variables created in xs
2525 #Symbol::delete_package __PACKAGE__; 3232 #Symbol::delete_package __PACKAGE__;
2526 3233
2541 warn "reattaching attachments to maps"; 3248 warn "reattaching attachments to maps";
2542 reattach $_ for values %MAP; 3249 reattach $_ for values %MAP;
2543 warn "reattaching attachments to players"; 3250 warn "reattaching attachments to players";
2544 reattach $_ for values %PLAYER; 3251 reattach $_ for values %PLAYER;
2545 3252
2546 warn "loading reloadable resources";
2547 reload_resources;
2548
2549 warn "leaving sync_job"; 3253 warn "leaving sync_job";
2550 3254
2551 1 3255 1
2552 } or do { 3256 } or do {
2553 warn $@; 3257 warn $@;
2558 warn "reloaded"; 3262 warn "reloaded";
2559}; 3263};
2560 3264
2561our $RELOAD_WATCHER; # used only during reload 3265our $RELOAD_WATCHER; # used only during reload
2562 3266
3267sub reload_perl() {
3268 # doing reload synchronously and two reloads happen back-to-back,
3269 # coro crashes during coro_state_free->destroy here.
3270
3271 $RELOAD_WATCHER ||= Event->timer (
3272 reentrant => 0,
3273 after => 0,
3274 data => WF_AUTOCANCEL,
3275 cb => sub {
3276 do_reload_perl;
3277 undef $RELOAD_WATCHER;
3278 },
3279 );
3280}
3281
2563register_command "reload" => sub { 3282register_command "reload" => sub {
2564 my ($who, $arg) = @_; 3283 my ($who, $arg) = @_;
2565 3284
2566 if ($who->flag (FLAG_WIZ)) { 3285 if ($who->flag (FLAG_WIZ)) {
2567 $who->message ("reloading server."); 3286 $who->message ("reloading server.");
2568 3287 async { reload_perl };
2569 # doing reload synchronously and two reloads happen back-to-back,
2570 # coro crashes during coro_state_free->destroy here.
2571
2572 $RELOAD_WATCHER ||= Event->timer (
2573 reentrant => 0,
2574 after => 0,
2575 data => WF_AUTOCANCEL,
2576 cb => sub {
2577 reload;
2578 undef $RELOAD_WATCHER;
2579 },
2580 );
2581 } 3288 }
2582}; 3289};
2583 3290
2584unshift @INC, $LIBDIR; 3291unshift @INC, $LIBDIR;
2585 3292
2586my $bug_warning = 0; 3293my $bug_warning = 0;
2587 3294
3295our @WAIT_FOR_TICK;
3296our @WAIT_FOR_TICK_BEGIN;
3297
3298sub wait_for_tick {
3299 return unless $TICK_WATCHER->is_active;
3300 return if $Coro::current == $Coro::main;
3301
3302 my $signal = new Coro::Signal;
3303 push @WAIT_FOR_TICK, $signal;
3304 $signal->wait;
3305}
3306
3307sub wait_for_tick_begin {
3308 return unless $TICK_WATCHER->is_active;
3309 return if $Coro::current == $Coro::main;
3310
3311 my $signal = new Coro::Signal;
3312 push @WAIT_FOR_TICK_BEGIN, $signal;
3313 $signal->wait;
3314}
3315
3316 my $min = 1e6;#d#
3317 my $avg = 10;
2588$TICK_WATCHER = Event->timer ( 3318$TICK_WATCHER = Event->timer (
2589 reentrant => 0, 3319 reentrant => 0,
2590 parked => 1, 3320 parked => 1,
2591 prio => 0, 3321 prio => 0,
2592 at => $NEXT_TICK || $TICK, 3322 at => $NEXT_TICK || $TICK,
2596 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3326 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597 unless ++$bug_warning > 10; 3327 unless ++$bug_warning > 10;
2598 return; 3328 return;
2599 } 3329 }
2600 3330
2601 $NOW = Event::time; 3331 $NOW = $tick_start = Event::time;
2602 3332
2603 cf::server_tick; # one server iteration 3333 cf::server_tick; # one server iteration
3334
3335 0 && sync_job {#d#
3336 for(1..10) {
3337 my $t = Event::time;
3338 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3339 or die;
3340
3341 $map->width (50);
3342 $map->height (50);
3343 $map->alloc;
3344 $map->_load_objects ("/tmp/x.map", 1);
3345 my $t = Event::time - $t;
3346
3347 #next unless $t < 0.0013;#d#
3348 if ($t < $min) {
3349 $min = $t;
3350 }
3351 $avg = $avg * 0.99 + $t * 0.01;
3352 }
3353 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354 exit 0;
3355 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356 };
3357
2604 $RUNTIME += $TICK; 3358 $RUNTIME += $TICK;
2605 $NEXT_TICK += $TICK; 3359 $NEXT_TICK += $TICK;
2606 3360
2607 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3361 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608 $NEXT_RUNTIME_WRITE = $NOW + 10; 3362 $NEXT_RUNTIME_WRITE = $NOW + 10;
2610 write_runtime 3364 write_runtime
2611 or warn "ERROR: unable to write runtime file: $!"; 3365 or warn "ERROR: unable to write runtime file: $!";
2612 }; 3366 };
2613 } 3367 }
2614 3368
2615 $WAIT_FOR_TICK->broadcast;
2616 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618# my $AFTER = Event::time; 3369# my $AFTER = Event::time;
2619# warn $AFTER - $NOW;#d# 3370# warn $AFTER - $NOW;#d#
2620 3371
3372 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373 $sig->send;
3374 }
3375 while (my $sig = shift @WAIT_FOR_TICK) {
3376 $sig->send;
3377 }
3378
3379 $NOW = Event::time;
3380
2621 # if we are delayed by four ticks or more, skip them all 3381 # if we are delayed by four ticks or more, skip them all
2622 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3382 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623 3383
2624 $TICK_WATCHER->at ($NEXT_TICK); 3384 $TICK_WATCHER->at ($NEXT_TICK);
2625 $TICK_WATCHER->start; 3385 $TICK_WATCHER->start;
3386
3387 $LOAD = ($NOW - $tick_start) / $TICK;
3388 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389
3390 _post_tick;
3391
3392
2626 }, 3393 },
2627); 3394);
2628 3395
2629{ 3396{
2630 BDB::max_poll_time $TICK * 0.1; 3397 BDB::max_poll_time $TICK * 0.1;
2658 3425
2659 cf::sync_job { 3426 cf::sync_job {
2660 eval { 3427 eval {
2661 BDB::db_env_open 3428 BDB::db_env_open
2662 $DB_ENV, 3429 $DB_ENV,
2663 $BDB_ENV_DIR, 3430 $BDBDIR,
2664 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3431 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3432 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666 0666; 3433 0666;
2667 3434
2668 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3435 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669 3436
2670 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3437 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671 $DB_ENV->set_lk_detect; 3438 $DB_ENV->set_lk_detect;
2672 }; 3439 };
2673 3440
2689 prio => 6, 3456 prio => 6,
2690 cb => \&IO::AIO::poll_cb, 3457 cb => \&IO::AIO::poll_cb,
2691 ); 3458 );
2692} 3459}
2693 3460
3461my $_log_backtrace;
3462
3463sub _log_backtrace {
3464 my ($msg, @addr) = @_;
3465
3466 $msg =~ s/\n//;
3467
3468 # limit the # of concurrent backtraces
3469 if ($_log_backtrace < 2) {
3470 ++$_log_backtrace;
3471 async {
3472 my @bt = fork_call {
3473 @addr = map { sprintf "%x", $_ } @addr;
3474 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476 or die "addr2line: $!";
3477
3478 my @funcs;
3479 my @res = <$fh>;
3480 chomp for @res;
3481 while (@res) {
3482 my ($func, $line) = splice @res, 0, 2, ();
3483 push @funcs, "[$func] $line";
3484 }
3485
3486 @funcs
3487 };
3488
3489 LOG llevInfo, "[ABT] $msg\n";
3490 LOG llevInfo, "[ABT] $_\n" for @bt;
3491 --$_log_backtrace;
3492 };
3493 } else {
3494 LOG llevInfo, "[ABT] $msg\n";
3495 LOG llevInfo, "[ABT] [suppressed]\n";
3496 }
3497}
3498
3499# load additional modules
3500use cf::pod;
3501
2694END { cf::emergency_save } 3502END { cf::emergency_save }
2695 3503
26961 35041
2697 3505

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