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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 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 3.64 ();
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;
24use Coro::Util ();
21 25
26use JSON::XS 1.4 ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
31use YAML::Syck ();
26use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
27use YAML::Syck ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
33$Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36 44
37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
39 47
40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
42our %COMMAND = (); 52our %COMMAND = ();
43our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
44 54
45our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
46our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
49 60
50our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
51our @EVENT; 62our @EVENT;
52our $LIBDIR = datadir . "/ext";
53 63
54our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55our $TICK_WATCHER; 77our $TICK_WATCHER;
56our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58our $NEXT_TICK; 80our $NEXT_TICK;
59our $NOW; 81our $NOW;
68our $RUNTIME; 90our $RUNTIME;
69 91
70our %PLAYER; # all users 92our %PLAYER; # all users
71our %MAP; # all maps 93our %MAP; # all maps
72our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
73our $RANDOM_MAPS = cf::localdir . "/random";
74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78 95
79# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
82binmode STDOUT; 103binmode STDOUT;
83binmode STDERR; 104binmode STDERR;
84 105
85# read virtual server time, if available 106# read virtual server time, if available
86unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
88 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
89 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
90} 111}
91 112
92mkdir cf::localdir; 113mkdir $_
93mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94mkdir cf::localdir . "/" . cf::tmpdir;
95mkdir cf::localdir . "/" . cf::uniquedir;
96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
98 115
99our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
100 117
101sub cf::map::normalise; 118sub cf::map::normalise;
102 119
113=item $cf::RUNTIME 130=item $cf::RUNTIME
114 131
115The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
116every server tick. 133every server tick.
117 134
118=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119 138
120The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
121be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
122 143
123=item $cf::NOW 144=item $cf::NOW
124 145
125The time of the last (current) server tick. 146The time of the last (current) server tick.
126 147
127=item $cf::TICK 148=item $cf::TICK
128 149
129The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
130 161
131=item %cf::CFG 162=item %cf::CFG
132 163
133Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
134from wherever your confdir points to. 165from wherever your confdir points to.
135 166
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
137 168
138These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
140processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
142 178
143=back 179=back
144 180
145=cut 181=cut
146 182
147BEGIN { 183BEGIN {
148 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
149 my $msg = join "", @_; 185 my $msg = join "", @_;
150 utf8::encode $msg;
151 186
152 $msg .= "\n" 187 $msg .= "\n"
153 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
154 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
155 LOG llevError, $msg; 193 LOG llevError, $msg;
156 }; 194 };
157} 195}
158 196
159@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165 204
166# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
167# within the Safe compartment. 206# within the Safe compartment.
168for my $pkg (qw( 207for my $pkg (qw(
169 cf::global cf::attachable 208 cf::global cf::attachable
177} 216}
178 217
179$Event::DIED = sub { 218$Event::DIED = sub {
180 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
181}; 220};
221
222#############################################################################
182 223
183=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
184 225
185=over 4 226=over 4
186 227
205 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206 $d 247 $d
207 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
208} 249}
209 250
210use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
213 252
214Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
215 254
216=cut
217
218sub from_json($) {
219 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220 JSON::Syck::Load $_[0]
221}
222
223=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
224 256
225Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
226 258
227=cut 259=cut
228 260
229sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
231 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
232} 264sub from_json ($) { $json_coder->decode ($_[0]) }
233 265
234=item cf::lock_wait $string 266=item cf::lock_wait $string
235 267
236Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
237 269
243returned. 275returned.
244 276
245Lock names should begin with a unique identifier (for example, cf::map::find 277Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 278uses map_find and cf::map::load uses map_load).
247 279
280=item $locked = cf::lock_active $string
281
282Return true if the lock is currently active, i.e. somebody has locked it.
283
248=cut 284=cut
249 285
250our %LOCK; 286our %LOCK;
251 287
252sub lock_wait($) { 288sub lock_wait($) {
269 305
270 Coro::guard { 306 Coro::guard {
271 # wake up all waiters, to be on the safe side 307 # wake up all waiters, to be on the safe side
272 $_->ready for @{ delete $LOCK{$key} }; 308 $_->ready for @{ delete $LOCK{$key} };
273 } 309 }
310}
311
312sub lock_active($) {
313 my ($key) = @_;
314
315 ! ! $LOCK{$key}
274} 316}
275 317
276sub freeze_mainloop { 318sub freeze_mainloop {
277 return unless $TICK_WATCHER->is_active; 319 return unless $TICK_WATCHER->is_active;
278 320
281 }; 323 };
282 $TICK_WATCHER->stop; 324 $TICK_WATCHER->stop;
283 $guard 325 $guard
284} 326}
285 327
328=item cf::get_slot $time[, $priority[, $name]]
329
330Allocate $time seconds of blocking CPU time at priority C<$priority>:
331This call blocks and returns only when you have at least C<$time> seconds
332of cpu time till the next tick. The slot is only valid till the next cede.
333
334The optional C<$name> can be used to identify the job to run. It might be
335used for statistical purposes and should identify the same time-class.
336
337Useful for short background jobs.
338
339=cut
340
341our @SLOT_QUEUE;
342our $SLOT_QUEUE;
343
344$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async {
346 my $signal = new Coro::Signal;
347
348 while () {
349 next_job:
350 my $avail = cf::till_tick;
351 if ($avail > 0.01) {
352 for (0 .. $#SLOT_QUEUE) {
353 if ($SLOT_QUEUE[$_][0] < $avail) {
354 my $job = splice @SLOT_QUEUE, $_, 1, ();
355 $job->[2]->send;
356 Coro::cede;
357 goto next_job;
358 }
359 }
360 }
361
362 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait;
366 } else {
367 Coro::schedule;
368 }
369 }
370};
371
372sub get_slot($;$$) {
373 my ($time, $pri, $name) = @_;
374
375 $time = $TICK * .6 if $time > $TICK * .6;
376 my $sig = new Coro::Signal;
377
378 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380 $SLOT_QUEUE->ready;
381 $sig->wait;
382}
383
286=item cf::async { BLOCK } 384=item cf::async { BLOCK }
287 385
288Currently the same as Coro::async_pool, meaning you cannot use 386Currently the same as Coro::async_pool, meaning you cannot use
289C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 387C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290thing you are allowed to do is call C<prio> on it. 388thing you are allowed to do is call C<prio> on it.
293 391
294BEGIN { *async = \&Coro::async_pool } 392BEGIN { *async = \&Coro::async_pool }
295 393
296=item cf::sync_job { BLOCK } 394=item cf::sync_job { BLOCK }
297 395
298The design of crossfire+ requires that the main coro ($Coro::main) is 396The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299always able to handle events or runnable, as crossfire+ is only partly 397is always able to handle events or runnable, as Crossfire TRT is only
300reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 398partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable.
301 400
302If it must be done, put the blocking parts into C<sync_job>. This will run 401If it must be done, put the blocking parts into C<sync_job>. This will run
303the given BLOCK in another coroutine while waiting for the result. The 402the given BLOCK in another coroutine while waiting for the result. The
304server will be frozen during this time, so the block should either finish 403server will be frozen during this time, so the block should either finish
305fast or be very important. 404fast or be very important.
308 407
309sub sync_job(&) { 408sub sync_job(&) {
310 my ($job) = @_; 409 my ($job) = @_;
311 410
312 if ($Coro::current == $Coro::main) { 411 if ($Coro::current == $Coro::main) {
412 my $time = Event::time;
413
313 # this is the main coro, too bad, we have to block 414 # this is the main coro, too bad, we have to block
314 # till the operation succeeds, freezing the server :/ 415 # till the operation succeeds, freezing the server :/
315 416
316 # TODO: use suspend/resume instead 417 # TODO: use suspend/resume instead
317 # (but this is cancel-safe) 418 # (but this is cancel-safe)
328 429
329 while ($busy) { 430 while ($busy) {
330 Coro::cede or Event::one_event; 431 Coro::cede or Event::one_event;
331 } 432 }
332 433
434 $time = Event::time - $time;
435
436 LOG llevError | logBacktrace, Carp::longmess "long sync job"
437 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439 $tick_start += $time; # do not account sync jobs to server load
440
333 wantarray ? @res : $res[0] 441 wantarray ? @res : $res[0]
334 } else { 442 } else {
335 # we are in another coroutine, how wonderful, everything just works 443 # we are in another coroutine, how wonderful, everything just works
336 444
337 $job->() 445 $job->()
356 $EXT_CORO{$coro+0} = $coro; 464 $EXT_CORO{$coro+0} = $coro;
357 465
358 $coro 466 $coro
359} 467}
360 468
361sub write_runtime { 469=item fork_call { }, $args
362 my $guard = cf::lock_acquire "write_runtime";
363 470
364 my $runtime = cf::localdir . "/runtime"; 471Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling.
365 475
366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 476=cut
367 or return;
368 477
369 my $value = $cf::RUNTIME + 90 + 10; 478sub fork_call(&@) {
370 # 10 is the runtime save interval, for a monotonic clock 479 my ($cb, @args) = @_;
371 # 60 allows for the watchdog to kill the server.
372 480
373 (aio_write $fh, 0, (length $value), $value, 0) <= 0 481 # we seemingly have to make a local copy of the whole thing,
374 and return; 482 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious)
375 484
376 # always fsync - this file is important 485 my @res = Coro::Util::fork_eval {
377 aio_fsync $fh 486 reset_signals;
378 and return; 487 &$cb
488 }, @args;
379 489
380 close $fh 490 wantarray ? @res : $res[-1]
381 or return; 491}
382 492
383 aio_rename "$runtime~", $runtime 493=item $value = cf::db_get $family => $key
384 and return;
385 494
495Returns a single value from the environment database.
496
497=item cf::db_put $family => $key => $value
498
499Stores the given C<$value> in the family. It can currently store binary
500data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501
502=cut
503
504our $DB;
505
506sub db_init {
507 unless ($DB) {
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job {
511 eval {
512 $DB->set_flags (BDB::CHKSUM);
513
514 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516 cf::cleanup "db_open(db): $!" if $!;
517 };
518 cf::cleanup "db_open(db): $@" if $@;
519 };
386 1 520 }
521}
522
523sub db_get($$) {
524 my $key = "$_[0]/$_[1]";
525
526 cf::sync_job {
527 BDB::db_get $DB, undef, $key, my $data;
528
529 $! ? ()
530 : $data
531 }
532}
533
534sub db_put($$$) {
535 BDB::dbreq_pri 4;
536 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
537}
538
539=item cf::cache $id => [$paths...], $processversion => $process
540
541Generic caching function that returns the value of the resource $id,
542caching and regenerating as required.
543
544This function can block.
545
546=cut
547
548sub cache {
549 my ($id, $src, $processversion, $process) = @_;
550
551 my $meta =
552 join "\x00",
553 $processversion,
554 map {
555 aio_stat $_
556 and Carp::croak "$_: $!";
557
558 ($_, (stat _)[7,9])
559 } @$src;
560
561 my $dbmeta = db_get cache => "$id/meta";
562 if ($dbmeta ne $meta) {
563 # changed, we may need to process
564
565 my @data;
566 my $md5;
567
568 for (0 .. $#$src) {
569 0 <= aio_load $src->[$_], $data[$_]
570 or Carp::croak "$src->[$_]: $!";
571 }
572
573 # if processing is expensive, check
574 # checksum first
575 if (1) {
576 $md5 =
577 join "\x00",
578 $processversion,
579 map {
580 Coro::cede;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src;
583
584
585 my $dbmd5 = db_get cache => "$id/md5";
586 if ($dbmd5 eq $md5) {
587 db_put cache => "$id/meta", $meta;
588
589 return db_get cache => "$id/data";
590 }
591 }
592
593 my $t1 = Time::HiRes::time;
594 my $data = $process->(\@data);
595 my $t2 = Time::HiRes::time;
596
597 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
598
599 db_put cache => "$id/data", $data;
600 db_put cache => "$id/md5" , $md5;
601 db_put cache => "$id/meta", $meta;
602
603 return $data;
604 }
605
606 db_get cache => "$id/data"
607}
608
609=item cf::datalog type => key => value, ...
610
611Log a datalog packet of the given type with the given key-value pairs.
612
613=cut
614
615sub datalog($@) {
616 my ($type, %kv) = @_;
617 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387} 618}
388 619
389=back 620=back
390 621
391=cut 622=cut
398attach callbacks/event handlers (a collection of which is called an "attachment") 629attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 630to it. All such attachable objects support the following methods.
400 631
401In the following description, CLASS can be any of C<global>, C<object> 632In 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 633C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 634Crossfire TRT).
404 635
405=over 4 636=over 4
406 637
407=item $attachable->attach ($attachment, key => $value...) 638=item $attachable->attach ($attachment, key => $value...)
408 639
571 $registry = $CB_TYPE[$object_type] ||= []; 802 $registry = $CB_TYPE[$object_type] ||= [];
572 803
573 } elsif ($type eq "subtype") { 804 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 805 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 806 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 807 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 808
578 } elsif ($type eq "package") { 809 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 810 my $pkg = shift @arg;
580 811
581 while (my ($name, $id) = each %cb_id) { 812 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 841 _attach $registry, $klass, @attach;
611 } 842 }
612 843
613 $obj->{$name} = \%arg; 844 $obj->{$name} = \%arg;
614 } else { 845 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 846 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 847 }
617 848
618 $obj->{_attachment}{$name} = undef; 849 $obj->{_attachment}{$name} = undef;
619} 850}
620 851
622 if (ref $_[0]) { 853 if (ref $_[0]) {
623 _object_attach @_; 854 _object_attach @_;
624 } else { 855 } else {
625 _attach shift->_attach_registry, @_; 856 _attach shift->_attach_registry, @_;
626 } 857 }
858 _recalc_want;
627}; 859};
628 860
629# all those should be optimised 861# all those should be optimised
630sub cf::attachable::detach { 862sub cf::attachable::detach {
631 my ($obj, $name) = @_; 863 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 866 delete $obj->{_attachment}{$name};
635 reattach ($obj); 867 reattach ($obj);
636 } else { 868 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 869 Carp::croak "cannot, currently, detach class attachments";
638 } 870 }
871 _recalc_want;
639}; 872};
640 873
641sub cf::attachable::attached { 874sub cf::attachable::attached {
642 my ($obj, $name) = @_; 875 my ($obj, $name) = @_;
643 876
658 "; 891 ";
659 die if $@; 892 die if $@;
660} 893}
661 894
662our $override; 895our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 896our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 897
665sub override { 898sub override {
666 $override = 1; 899 $override = 1;
667 @invoke_results = (); 900 @INVOKE_RESULTS = (@_);
668} 901}
669 902
670sub do_invoke { 903sub do_invoke {
671 my $event = shift; 904 my $event = shift;
672 my $callbacks = shift; 905 my $callbacks = shift;
673 906
674 @invoke_results = (); 907 @INVOKE_RESULTS = ();
675 908
676 local $override; 909 local $override;
677 910
678 for (@$callbacks) { 911 for (@$callbacks) {
679 eval { &{$_->[1]} }; 912 eval { &{$_->[1]} };
696 929
697Generate an object-specific event with the given arguments. 930Generate an object-specific event with the given arguments.
698 931
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 932This 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 933removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 934results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 935
703=back 936=back
704 937
705=cut 938=cut
706 939
707############################################################################# 940#############################################################################
708# object support 941# object support
942#
943
944sub _can_merge {
945 my ($ob1, $ob2) = @_;
946
947 local $Storable::canonical = 1;
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950
951 $fob1 eq $fob2
952}
709 953
710sub reattach { 954sub reattach {
711 # basically do the same as instantiate, without calling instantiate 955 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 956 my ($obj) = @_;
713 957
816 or return; 1060 or return;
817 $av = eval { (Storable::thaw $av)->{objs} }; 1061 $av = eval { (Storable::thaw $av)->{objs} };
818 } 1062 }
819 1063
820 warn sprintf "loading %s (%d)\n", 1064 warn sprintf "loading %s (%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1065 $filename, length $data, scalar @{$av || []};
822 return ($data, $av); 1066 return ($data, $av);
823} 1067}
1068
1069=head2 COMMAND CALLBACKS
1070
1071=over 4
1072
1073=cut
824 1074
825############################################################################# 1075#############################################################################
826# command handling &c 1076# command handling &c
827 1077
828=item cf::register_command $name => \&callback($ob,$args); 1078=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1091 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1092}
843 1093
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1094=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1095
846Register a callbackf ro execution when the client sends an extcmd packet. 1096Register a callback for execution when the client sends an (synchronous)
1097extcmd packet. Ext commands will be processed in the order they are
1098received by the server, like other user commands. The first argument is
1099the logged-in player. Ext commands can only be processed after a player
1100has logged in successfully.
847 1101
848If the callback returns something, it is sent back as if reply was being 1102If the callback returns something, it is sent back as if reply was being
849called. 1103called.
850 1104
1105=item cf::register_exticmd $name => \&callback($ns,$packet);
1106
1107Register a callback for execution when the client sends an (asynchronous)
1108exticmd packet. Exti commands are processed by the server as soon as they
1109are received, i.e. out of order w.r.t. other commands. The first argument
1110is a client socket. Exti commands can be received anytime, even before
1111log-in.
1112
1113If the callback returns something, it is sent back as if reply was being
1114called.
1115
851=cut 1116=cut
852 1117
853sub register_extcmd { 1118sub register_extcmd {
854 my ($name, $cb) = @_; 1119 my ($name, $cb) = @_;
855 1120
856 $EXTCMD{$name} = $cb; 1121 $EXTCMD{$name} = $cb;
1122}
1123
1124sub register_exticmd {
1125 my ($name, $cb) = @_;
1126
1127 $EXTICMD{$name} = $cb;
857} 1128}
858 1129
859cf::player->attach ( 1130cf::player->attach (
860 on_command => sub { 1131 on_command => sub {
861 my ($pl, $name, $params) = @_; 1132 my ($pl, $name, $params) = @_;
870 cf::override; 1141 cf::override;
871 }, 1142 },
872 on_extcmd => sub { 1143 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1144 my ($pl, $buf) = @_;
874 1145
875 my $msg = eval { from_json $buf }; 1146 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1147
877 if (ref $msg) { 1148 if (ref $msg) {
1149 my ($type, $reply, @payload) =
1150 "ARRAY" eq ref $msg
1151 ? @$msg
1152 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1154 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1155 my @reply = $cb->($pl, @payload);
1156
880 $pl->ext_reply ($msg->{msgid}, %reply); 1157 $pl->ext_reply ($reply, @reply)
881 } 1158 if $reply;
882 } 1159 }
883 } else { 1160 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1161 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1162 }
886 1163
887 cf::override; 1164 cf::override;
888 }, 1165 },
889); 1166);
890 1167
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 { 1168sub load_extensions {
1169 cf::sync_job {
1170 my %todo;
1171
926 for my $ext (<$LIBDIR/*.ext>) { 1172 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1173 next unless -r $path;
928 eval { 1174
929 load_extension $ext; 1175 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1176 my $base = $1;
1177 my $pkg = $1;
1178 $pkg =~ s/[^[:word:]]/_/g;
1179 $pkg = "ext::$pkg";
1180
1181 open my $fh, "<:utf8", $path
1182 or die "$path: $!";
1183
1184 my $source = do { local $/; <$fh> };
1185
1186 my %ext = (
1187 path => $path,
1188 base => $base,
1189 pkg => $pkg,
1190 );
1191
1192 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194
1195 $ext{source} =
1196 "package $pkg; use strict; use utf8;\n"
1197 . "#line 1 \"$path\"\n{\n"
1198 . $source
1199 . "\n};\n1";
1200
1201 $todo{$base} = \%ext;
1202 }
1203
1204 my %done;
1205 while (%todo) {
1206 my $progress;
1207
1208 while (my ($k, $v) = each %todo) {
1209 for (split /,\s*/, $v->{meta}{depends}) {
1210 goto skip
1211 unless exists $done{$_};
1212 }
1213
1214 warn "... loading '$k' into '$v->{pkg}'\n";
1215
1216 unless (eval $v->{source}) {
1217 my $msg = $@ ? "$v->{path}: $@\n"
1218 : "$v->{base}: extension inactive.\n";
1219
1220 if (exists $v->{meta}{mandatory}) {
1221 warn $msg;
1222 warn "mandatory extension failed to load, exiting.\n";
1223 exit 1;
1224 }
1225
1226 warn $msg;
1227 }
1228
1229 $done{$k} = delete $todo{$k};
1230 push @EXTS, $v->{pkg};
1231 $progress = 1;
930 1 1232 }
931 } or warn "$ext not loaded: $@"; 1233
1234 skip:
1235 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1236 unless $progress;
1237 }
932 } 1238 };
933} 1239}
934 1240
935############################################################################# 1241#############################################################################
936 1242
1243=back
1244
937=head2 CORE EXTENSIONS 1245=head2 CORE EXTENSIONS
938 1246
939Functions and methods that extend core crossfire objects. 1247Functions and methods that extend core crossfire objects.
940 1248
941=cut 1249=cut
953Returns the given player object, loading it if necessary (might block). 1261Returns the given player object, loading it if necessary (might block).
954 1262
955=cut 1263=cut
956 1264
957sub playerdir($) { 1265sub playerdir($) {
958 cf::localdir 1266 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1267 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1268}
964 1269
965sub path($) { 1270sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1271 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1272
968 (playerdir $login) . "/$login.pl" 1273 (playerdir $login) . "/playerdata"
969} 1274}
970 1275
971sub find_active($) { 1276sub find_active($) {
972 $cf::PLAYER{$_[0]} 1277 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1278 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1291 my $login = $_[0];
987 1292
988 my $guard = cf::lock_acquire "user_find:$login"; 1293 my $guard = cf::lock_acquire "user_find:$login";
989 1294
990 $cf::PLAYER{$_[0]} || do { 1295 $cf::PLAYER{$_[0]} || do {
1296 # rename old playerfiles to new ones
1297 #TODO: remove when no longer required
1298 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301 aio_unlink +(playerdir $login) . "/$login.pl";
1302
991 my $pl = load_pl path $login 1303 my $pl = load_pl path $login
992 or return; 1304 or return;
993 $cf::PLAYER{$login} = $pl 1305 $cf::PLAYER{$login} = $pl
994 } 1306 }
995 } 1307 }
1021 $self->{deny_save} = 1; 1333 $self->{deny_save} = 1;
1022 1334
1023 $cf::PLAYER{$login} = $self; 1335 $cf::PLAYER{$login} = $self;
1024 1336
1025 $self 1337 $self
1338}
1339
1340=item $player->send_msg ($channel, $msg, $color, [extra...])
1341
1342=cut
1343
1344sub send_msg {
1345 my $ns = shift->ns
1346 or return;
1347 $ns->send_msg (@_);
1026} 1348}
1027 1349
1028=item $pl->quit_character 1350=item $pl->quit_character
1029 1351
1030Nukes the player without looking back. If logged in, the connection will 1352Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1401while and may block, so not sync_job-capable, ever.
1080 1402
1081=cut 1403=cut
1082 1404
1083sub list_logins { 1405sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1406 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1407 or return [];
1086 1408
1087 my @logins; 1409 my @logins;
1088 1410
1089 for my $login (@$dirs) { 1411 for my $login (@$dirs) {
1124 } 1446 }
1125 1447
1126 \@paths 1448 \@paths
1127} 1449}
1128 1450
1451=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1452
1453Expand crossfire pod fragments into protocol xml.
1454
1455=cut
1456
1457sub expand_cfpod {
1458 ((my $self), (local $_)) = @_;
1459
1460 # escape & and <
1461 s/&/&amp;/g;
1462 s/(?<![BIUGH])</&lt;/g;
1463
1464 # this is buggy, it needs to properly take care of nested <'s
1465
1466 1 while
1467 # replace B<>, I<>, U<> etc.
1468 s/B<([^\>]*)>/<b>$1<\/b>/
1469 || s/I<([^\>]*)>/<i>$1<\/i>/
1470 || s/U<([^\>]*)>/<u>$1<\/u>/
1471 # replace G<male|female> tags
1472 || s{G<([^>|]*)\|([^>]*)>}{
1473 $self->gender ? $2 : $1
1474 }ge
1475 # replace H<hint text>
1476 || s{H<([^\>]*)>}
1477 {
1478 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480 "")
1481 [$self->{hintmode}]
1482 }ge;
1483
1484 # create single paragraphs (very hackish)
1485 s/(?<=\S)\n(?=\w)/ /g;
1486
1487 # compress some whitespace
1488 s/\s+\n/\n/g; # ws line-ends
1489 s/\n\n+/\n/g; # double lines
1490 s/^\n+//; # beginning lines
1491 s/\n+$//; # ending lines
1492
1493 $_
1494}
1495
1496sub hintmode {
1497 $_[0]{hintmode} = $_[1] if @_ > 1;
1498 $_[0]{hintmode}
1499}
1500
1129=item $player->ext_reply ($msgid, $msgtype, %msg) 1501=item $player->ext_reply ($msgid, @msg)
1130 1502
1131Sends an ext reply to the player. 1503Sends an ext reply to the player.
1132 1504
1133=cut 1505=cut
1134 1506
1135sub ext_reply($$$%) { 1507sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1508 my ($self, $id, @msg) = @_;
1137 1509
1138 $msg{msgid} = $id; 1510 if ($self->ns->extcmd == 2) {
1139 1511 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1140 $self->send ("ext " . cf::to_json \%msg); 1512 } elsif ($self->ns->extcmd == 1) {
1513 #TODO: version 1, remove
1514 unshift @msg, msgtype => "reply", msgid => $id;
1515 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516 }
1141} 1517}
1142 1518
1143package cf; 1519=item $player->ext_msg ($type, @msg)
1520
1521Sends an ext event to the client.
1522
1523=cut
1524
1525sub ext_msg($$@) {
1526 my ($self, $type, @msg) = @_;
1527
1528 $self->ns->ext_msg ($type, @msg);
1529}
1530
1531=head3 cf::region
1532
1533=over 4
1534
1535=cut
1536
1537package cf::region;
1538
1539=item cf::region::find_by_path $path
1540
1541Tries to decuce the likely region for a map knowing only its path.
1542
1543=cut
1544
1545sub find_by_path($) {
1546 my ($path) = @_;
1547
1548 my ($match, $specificity);
1549
1550 for my $region (list) {
1551 if ($region->{match} && $path =~ $region->{match}) {
1552 ($match, $specificity) = ($region, $region->specificity)
1553 if $region->specificity > $specificity;
1554 }
1555 }
1556
1557 $match
1558}
1144 1559
1145=back 1560=back
1146
1147 1561
1148=head3 cf::map 1562=head3 cf::map
1149 1563
1150=over 4 1564=over 4
1151 1565
1206 my ($self, $merge) = @_; 1620 my ($self, $merge) = @_;
1207 1621
1208 # we have to keep some variables in memory intact 1622 # we have to keep some variables in memory intact
1209 local $self->{path}; 1623 local $self->{path};
1210 local $self->{load_path}; 1624 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213 1625
1214 $self->SUPER::thawer_merge ($merge); 1626 $self->SUPER::thawer_merge ($merge);
1215} 1627}
1216 1628
1217sub normalise { 1629sub normalise {
1264 $self->init; # pass $1 etc. 1676 $self->init; # pass $1 etc.
1265 return $self; 1677 return $self;
1266 } 1678 }
1267 } 1679 }
1268 1680
1269 Carp::carp "unable to resolve path '$path' (base '$base')."; 1681 Carp::cluck "unable to resolve path '$path' (base '$base').";
1270 () 1682 ()
1271} 1683}
1272 1684
1273sub init { 1685sub init {
1274 my ($self) = @_; 1686 my ($self) = @_;
1289 1701
1290# the original (read-only) location 1702# the original (read-only) location
1291sub load_path { 1703sub load_path {
1292 my ($self) = @_; 1704 my ($self) = @_;
1293 1705
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1706 "$MAPDIR/$self->{path}.map"
1295} 1707}
1296 1708
1297# the temporary/swap location 1709# the temporary/swap location
1298sub save_path { 1710sub save_path {
1299 my ($self) = @_; 1711 my ($self) = @_;
1300 1712
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1714 "$TMPDIR/$path.map"
1303} 1715}
1304 1716
1305# the unique path, undef == no special unique path 1717# the unique path, undef == no special unique path
1306sub uniq_path { 1718sub uniq_path {
1307 my ($self) = @_; 1719 my ($self) = @_;
1308 1720
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1722 "$UNIQUEDIR/$path"
1311} 1723}
1312 1724
1313# and all this just because we cannot iterate over 1725# and all this just because we cannot iterate over
1314# all maps in C++... 1726# all maps in C++...
1315sub change_all_map_light { 1727sub change_all_map_light {
1316 my ($change) = @_; 1728 my ($change) = @_;
1317 1729
1318 $_->change_map_light ($change) 1730 $_->change_map_light ($change)
1319 for grep $_->outdoor, values %cf::MAP; 1731 for grep $_->outdoor, values %cf::MAP;
1732}
1733
1734sub decay_objects {
1735 my ($self) = @_;
1736
1737 return if $self->{deny_reset};
1738
1739 $self->do_decay_objects;
1320} 1740}
1321 1741
1322sub unlink_save { 1742sub unlink_save {
1323 my ($self) = @_; 1743 my ($self) = @_;
1324 1744
1382 $self->load_header_orig 1802 $self->load_header_orig
1383 or return; 1803 or return;
1384 $self->prepare_orig; 1804 $self->prepare_orig;
1385 } 1805 }
1386 1806
1807 $self->{deny_reset} = 1
1808 if $self->no_reset;
1809
1810 $self->default_region (cf::region::find_by_path $self->{path})
1811 unless $self->default_region;
1812
1387 1 1813 1
1388} 1814}
1389 1815
1390sub find; 1816sub find;
1391sub find { 1817sub find {
1403 $map->{last_save} = $cf::RUNTIME; 1829 $map->{last_save} = $cf::RUNTIME;
1404 1830
1405 $map->load_header 1831 $map->load_header
1406 or return; 1832 or return;
1407 1833
1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously 1835 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait; 1836 #$cf::WAIT_FOR_TICK->wait;
1411 $map->reset; 1837 $map->reset;
1412 undef $guard; 1838 undef $guard;
1413 return find $path; 1839 return find $path;
1424 my ($self) = @_; 1850 my ($self) = @_;
1425 1851
1426 local $self->{deny_reset} = 1; # loading can take a long time 1852 local $self->{deny_reset} = 1; # loading can take a long time
1427 1853
1428 my $path = $self->{path}; 1854 my $path = $self->{path};
1855
1856 {
1429 my $guard = cf::lock_acquire "map_load:$path"; 1857 my $guard = cf::lock_acquire "map_load:$path";
1430 1858
1431 return if $self->in_memory != cf::MAP_SWAPPED; 1859 return if $self->in_memory != cf::MAP_SWAPPED;
1432 1860
1433 $self->in_memory (cf::MAP_LOADING); 1861 $self->in_memory (cf::MAP_LOADING);
1434 1862
1435 $self->alloc; 1863 $self->alloc;
1436 1864
1437 $self->pre_load; 1865 $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; 1866 Coro::cede;
1463 $self->set_darkness_map; 1867
1868 $self->_load_objects ($self->{load_path}, 1)
1869 or return;
1870
1871 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1872 if delete $self->{load_original};
1873
1874 if (my $uniq = $self->uniq_path) {
1875 utf8::encode $uniq;
1876 if (aio_open $uniq, O_RDONLY, 0) {
1877 $self->clear_unique_items;
1878 $self->_load_objects ($uniq, 0);
1879 }
1880 }
1881
1882 Coro::cede;
1883 # now do the right thing for maps
1884 $self->link_multipart_objects;
1464 $self->difficulty ($self->estimate_difficulty) 1885 $self->difficulty ($self->estimate_difficulty)
1465 unless $self->difficulty; 1886 unless $self->difficulty;
1466 Coro::cede; 1887 Coro::cede;
1888
1889 unless ($self->{deny_activate}) {
1890 $self->decay_objects;
1891 $self->fix_auto_apply;
1892 $self->update_buttons;
1893 Coro::cede;
1894 $self->set_darkness_map;
1895 Coro::cede;
1467 $self->activate; 1896 $self->activate;
1897 }
1898
1899 $self->{last_save} = $cf::RUNTIME;
1900 $self->last_access ($cf::RUNTIME);
1901
1902 $self->in_memory (cf::MAP_IN_MEMORY);
1468 } 1903 }
1469 1904
1470 $self->post_load; 1905 $self->post_load;
1471
1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473} 1906}
1474 1907
1475sub customise_for { 1908sub customise_for {
1476 my ($self, $ob) = @_; 1909 my ($self, $ob) = @_;
1477 1910
1478 return find "~" . $ob->name . "/" . $self->{path} 1911 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player; 1912 if $self->per_player;
1913
1914# return find "?party/" . $ob->name . "/" . $self->{path}
1915# if $self->per_party;
1480 1916
1481 $self 1917 $self
1482} 1918}
1483 1919
1484# find and load all maps in the 3x3 area around a map 1920# find and load all maps in the 3x3 area around a map
1531 1967
1532 undef $MAP_PREFETCH{$path}; 1968 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async { 1969 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) { 1970 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) { 1971 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path 1972 if (my $map = find $path) {
1537 or next;
1538 $map->load; 1973 $map->load;
1974 }
1539 1975
1540 delete $MAP_PREFETCH{$path}; 1976 delete $MAP_PREFETCH{$path};
1541 } 1977 }
1542 } 1978 }
1543 undef $MAP_PREFETCHER; 1979 undef $MAP_PREFETCHER;
1595 2031
1596sub reset_at { 2032sub reset_at {
1597 my ($self) = @_; 2033 my ($self) = @_;
1598 2034
1599 # TODO: safety, remove and allow resettable per-player maps 2035 # 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}; 2036 return 1e99 if $self->{deny_reset};
1602 2037
1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2038 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2039 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605 2040
1616 my ($self) = @_; 2051 my ($self) = @_;
1617 2052
1618 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2053 my $lock = cf::lock_acquire "map_data:$self->{path}";
1619 2054
1620 return if $self->players; 2055 return if $self->players;
1621 return if $self->isa ("ext::map_per_player");#d#
1622 2056
1623 warn "resetting map ", $self->path;#d# 2057 warn "resetting map ", $self->path;
1624 2058
1625 $self->in_memory (cf::MAP_SWAPPED); 2059 $self->in_memory (cf::MAP_SWAPPED);
1626 2060
1627 # need to save uniques path 2061 # need to save uniques path
1628 unless ($self->{deny_save}) { 2062 unless ($self->{deny_save}) {
1660 $cf::MAP{$self->path} = $self; 2094 $cf::MAP{$self->path} = $self;
1661 2095
1662 $self->reset; # polite request, might not happen 2096 $self->reset; # polite request, might not happen
1663} 2097}
1664 2098
2099=item $maps = cf::map::tmp_maps
2100
2101Returns an arrayref with all map paths of currently instantiated and saved
2102maps. May block.
2103
2104=cut
2105
2106sub tmp_maps() {
2107 [
2108 map {
2109 utf8::decode $_;
2110 /\.map$/
2111 ? normalise $_
2112 : ()
2113 } @{ aio_readdir $TMPDIR or [] }
2114 ]
2115}
2116
2117=item $maps = cf::map::random_maps
2118
2119Returns an arrayref with all map paths of currently instantiated and saved
2120random maps. May block.
2121
2122=cut
2123
2124sub random_maps() {
2125 [
2126 map {
2127 utf8::decode $_;
2128 /\.map$/
2129 ? normalise "?random/$_"
2130 : ()
2131 } @{ aio_readdir $RANDOMDIR or [] }
2132 ]
2133}
2134
1665=item cf::map::unique_maps 2135=item cf::map::unique_maps
1666 2136
1667Returns an arrayref of paths of all shared maps that have 2137Returns an arrayref of paths of all shared maps that have
1668instantiated unique items. May block. 2138instantiated unique items. May block.
1669 2139
1670=cut 2140=cut
1671 2141
1672sub unique_maps() { 2142sub unique_maps() {
1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2143 [
1674 or return; 2144 map {
1675
1676 my @paths;
1677
1678 for (@$files) {
1679 utf8::decode $_; 2145 utf8::decode $_;
1680 next if /\.pst$/; 2146 /\.map$/
1681 next unless /^$PATH_SEP/o; 2147 ? normalise $_
1682 2148 : ()
1683 push @paths, cf::map::normalise $_; 2149 } @{ aio_readdir $UNIQUEDIR or [] }
1684 } 2150 ]
1685
1686 \@paths
1687} 2151}
1688 2152
1689package cf; 2153package cf;
1690 2154
1691=back 2155=back
1737 2201
1738 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2202 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739 2203
1740 if ($self->{record_replies}) { 2204 if ($self->{record_replies}) {
1741 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2205 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2206
1742 } else { 2207 } else {
2208 my $pl = $self->contr;
2209
2210 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2211 my $dialog = $pl->{npc_dialog};
2212 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213
2214 } else {
1743 $msg = $npc->name . " says: $msg" if $npc; 2215 $msg = $npc->name . " says: $msg" if $npc;
1744 $self->message ($msg, $flags); 2216 $self->message ($msg, $flags);
2217 }
1745 } 2218 }
2219}
2220
2221=item $object->send_msg ($channel, $msg, $color, [extra...])
2222
2223=cut
2224
2225sub cf::object::send_msg {
2226 my $pl = shift->contr
2227 or return;
2228 $pl->send_msg (@_);
1746} 2229}
1747 2230
1748=item $player_object->may ("access") 2231=item $player_object->may ("access")
1749 2232
1750Returns wether the given player is authorized to access resource "access" 2233Returns wether the given player is authorized to access resource "access"
1797 $self->deactivate_recursive; 2280 $self->deactivate_recursive;
1798 2281
1799 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2282 return if UNIVERSAL::isa $self->map, "ext::map_link";
1800 2283
1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2284 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802 if $self->map; 2285 if $self->map && $self->map->{path} ne "{link}";
1803 2286
1804 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2287 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1805} 2288}
1806 2289
1807sub cf::object::player::leave_link { 2290sub cf::object::player::leave_link {
1808 my ($self, $map, $x, $y) = @_; 2291 my ($self, $map, $x, $y) = @_;
2292
2293 return unless $self->contr->active;
1809 2294
1810 my $link_pos = delete $self->{_link_pos}; 2295 my $link_pos = delete $self->{_link_pos};
1811 2296
1812 unless ($map) { 2297 unless ($map) {
1813 # restore original map position 2298 # restore original map position
1836 2321
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2322 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838 $self->enter_map ($map, $x, $y); 2323 $self->enter_map ($map, $x, $y);
1839} 2324}
1840 2325
1841cf::player->attach ( 2326=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842 on_logout => sub {
1843 my ($pl) = @_;
1844 2327
1845 # abort map switching before logout 2328Moves the player to the given map-path and coordinates by first freezing
1846 if ($pl->ob->{_link_pos}) { 2329her, loading and preparing them map, calling the provided $check callback
1847 cf::sync_job { 2330that has to return the map if sucecssful, and then unfreezes the player on
1848 $pl->ob->leave_link 2331the new (success) or old (failed) map position. In either case, $done will
1849 }; 2332be called at the end of this process.
1850 }
1851 },
1852 on_login => sub {
1853 my ($pl) = @_;
1854 2333
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 2334=cut
2335
2336our $GOTOGEN;
1876 2337
1877sub cf::object::player::goto { 2338sub cf::object::player::goto {
1878 my ($self, $path, $x, $y) = @_; 2339 my ($self, $path, $x, $y, $check, $done) = @_;
2340
2341 # do generation counting so two concurrent goto's will be executed in-order
2342 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879 2343
1880 $self->enter_link; 2344 $self->enter_link;
1881 2345
1882 (async { 2346 (async {
1883 my $map = eval { 2347 my $map = eval {
1884 my $map = cf::map::find $path; 2348 my $map = cf::map::find $path;
2349
2350 if ($map) {
1885 $map = $map->customise_for ($self) if $map; 2351 $map = $map->customise_for ($self);
2352 $map = $check->($map) if $check && $map;
2353 } else {
2354 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2355 }
2356
1886 $map 2357 $map
2358 };
2359
2360 if ($@) {
2361 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2362 LOG llevError | logBacktrace, Carp::longmess $@;
1887 } or 2363 }
1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889 2364
2365 if ($gen == $self->{_goto_generation}) {
2366 delete $self->{_goto_generation};
1890 $self->leave_link ($map, $x, $y); 2367 $self->leave_link ($map, $x, $y);
2368 }
2369
2370 $done->() if $done;
1891 })->prio (1); 2371 })->prio (1);
1892} 2372}
1893 2373
1894=item $player_object->enter_exit ($exit_object) 2374=item $player_object->enter_exit ($exit_object)
1895 2375
1934 2414
1935 $rmp->{random_seed} ||= $exit->random_seed; 2415 $rmp->{random_seed} ||= $exit->random_seed;
1936 2416
1937 my $data = cf::to_json $rmp; 2417 my $data = cf::to_json $rmp;
1938 my $md5 = Digest::MD5::md5_hex $data; 2418 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2419 my $meta = "$RANDOMDIR/$md5.meta";
1940 2420
1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2421 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942 aio_write $fh, 0, (length $data), $data, 0; 2422 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh; 2423 undef $fh;
1944 aio_rename "$meta~", $meta; 2424 aio_rename "$meta~", $meta;
1953 2433
1954 return unless $self->type == cf::PLAYER; 2434 return unless $self->type == cf::PLAYER;
1955 2435
1956 if ($exit->slaying eq "/!") { 2436 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job 2437 #TODO: this should de-fi-ni-te-ly not be a sync-job
2438 # the problem is that $exit might not survive long enough
2439 # so it needs to be done right now, right here
1958 cf::sync_job { prepare_random_map $exit }; 2440 cf::sync_job { prepare_random_map $exit };
1959 } 2441 }
1960 2442
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2443 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp; 2444 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp; 2445 my $sp = $exit->stats->sp;
1964 2446
1965 $self->enter_link; 2447 $self->enter_link;
2448
2449 # if exit is damned, update players death & WoR home-position
2450 $self->contr->savebed ($slaying, $hp, $sp)
2451 if $exit->flag (FLAG_DAMNED);
1966 2452
1967 (async { 2453 (async {
1968 $self->deactivate_recursive; # just to be sure 2454 $self->deactivate_recursive; # just to be sure
1969 unless (eval { 2455 unless (eval {
1970 $self->goto ($slaying, $hp, $sp); 2456 $self->goto ($slaying, $hp, $sp);
1971 2457
1972 1; 2458 1;
1973 }) { 2459 }) {
1974 $self->message ("Something went wrong deep within the crossfire server. " 2460 $self->message ("Something went wrong deep within the crossfire server. "
1975 . "I'll try to bring you back to the map you were before. " 2461 . "I'll try to bring you back to the map you were before. "
1976 . "Please report this to the dungeon master!", 2462 . "Please report this to the dungeon master!",
1977 cf::NDI_UNIQUE | cf::NDI_RED); 2463 cf::NDI_UNIQUE | cf::NDI_RED);
1978 2464
1979 warn "ERROR in enter_exit: $@"; 2465 warn "ERROR in enter_exit: $@";
1980 $self->leave_link; 2466 $self->leave_link;
1981 } 2467 }
1982 })->prio (1); 2468 })->prio (1);
1998 2484
1999 utf8::encode $text; 2485 utf8::encode $text;
2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2486 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001} 2487}
2002 2488
2489=item $client->send_msg ($channel, $msg, $color, [extra...])
2490
2491Send a drawinfo or msg packet to the client, formatting the msg for the
2492client if neccessary. C<$type> should be a string identifying the type of
2493the message, with C<log> being the default. If C<$color> is negative, suppress
2494the message unless the client supports the msg packet.
2495
2496=cut
2497
2498sub cf::client::send_msg {
2499 my ($self, $channel, $msg, $color, @extra) = @_;
2500
2501 $msg = $self->pl->expand_cfpod ($msg);
2502
2503 $color &= cf::NDI_CLIENT_MASK; # just in case...
2504
2505 if (ref $channel) {
2506 # send meta info to client, if not yet sent
2507 unless (exists $self->{channel}{$channel->{id}}) {
2508 $self->{channel}{$channel->{id}} = $channel;
2509 $self->ext_msg (channel_info => $channel);
2510 }
2511
2512 $channel = $channel->{id};
2513 }
2514
2515 return unless @extra || length $msg;
2516
2517 if ($self->can_msg) {
2518 # default colour, mask it out
2519 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520 if $color & cf::NDI_DEF;
2521
2522 $self->send_packet ("msg " . $self->{json_coder}->encode (
2523 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2524 } else {
2525 if ($color >= 0) {
2526 # replace some tags by gcfclient-compatible ones
2527 for ($msg) {
2528 1 while
2529 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2530 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2531 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2532 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2533 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2534 }
2535
2536 $color &= cf::NDI_COLOR_MASK;
2537
2538 utf8::encode $msg;
2539
2540 if (0 && $msg =~ /\[/) {
2541 # COMMAND/INFO
2542 $self->send_packet ("drawextinfo $color 10 8 $msg")
2543 } else {
2544 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2545 $self->send_packet ("drawinfo $color $msg")
2546 }
2547 }
2548 }
2549}
2550
2551=item $client->ext_msg ($type, @msg)
2552
2553Sends an ext event to the client.
2554
2555=cut
2556
2557sub cf::client::ext_msg($$@) {
2558 my ($self, $type, @msg) = @_;
2559
2560 my $extcmd = $self->extcmd;
2561
2562 if ($extcmd == 2) {
2563 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564 } elsif ($extcmd == 1) { # TODO: remove
2565 push @msg, msgtype => "event_$type";
2566 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567 }
2568}
2003 2569
2004=item $success = $client->query ($flags, "text", \&cb) 2570=item $success = $client->query ($flags, "text", \&cb)
2005 2571
2006Queues a query to the client, calling the given callback with 2572Queues a query to the client, calling the given callback with
2007the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2573the 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>. 2574C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009 2575
2010Queries can fail, so check the return code. Or don't, as queries will become 2576Queries can fail, so check the return code. Or don't, as queries will
2011reliable at some point in the future. 2577become reliable at some point in the future.
2012 2578
2013=cut 2579=cut
2014 2580
2015sub cf::client::query { 2581sub cf::client::query {
2016 my ($self, $flags, $text, $cb) = @_; 2582 my ($self, $flags, $text, $cb) = @_;
2024 utf8::encode $text; 2590 utf8::encode $text;
2025 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2591 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026 2592
2027 $self->send_packet ($self->{query_queue}[0][0]) 2593 $self->send_packet ($self->{query_queue}[0][0])
2028 if @{ $self->{query_queue} } == 1; 2594 if @{ $self->{query_queue} } == 1;
2595
2596 1
2029} 2597}
2030 2598
2031cf::client->attach ( 2599cf::client->attach (
2600 on_connect => sub {
2601 my ($ns) = @_;
2602
2603 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2604 },
2032 on_reply => sub { 2605 on_reply => sub {
2033 my ($ns, $msg) = @_; 2606 my ($ns, $msg) = @_;
2034 2607
2035 # this weird shuffling is so that direct followup queries 2608 # this weird shuffling is so that direct followup queries
2036 # get handled first 2609 # get handled first
2048 } else { 2621 } else {
2049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2622 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050 } 2623 }
2051 } 2624 }
2052 }, 2625 },
2626 on_exticmd => sub {
2627 my ($ns, $buf) = @_;
2628
2629 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2630
2631 if (ref $msg) {
2632 my ($type, $reply, @payload) =
2633 "ARRAY" eq ref $msg
2634 ? @$msg
2635 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636
2637 if (my $cb = $EXTICMD{$type}) {
2638 my @reply = $cb->($ns, @payload);
2639
2640 $ns->ext_reply ($reply, @reply)
2641 if $reply;
2642 }
2643 } else {
2644 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645 }
2646
2647 cf::override;
2648 },
2053); 2649);
2054 2650
2055=item $client->async (\&cb) 2651=item $client->async (\&cb)
2056 2652
2057Create a new coroutine, running the specified callback. The coroutine will 2653Create a new coroutine, running the specified callback. The coroutine will
2098our $safe = new Safe "safe"; 2694our $safe = new Safe "safe";
2099our $safe_hole = new Safe::Hole; 2695our $safe_hole = new Safe::Hole;
2100 2696
2101$SIG{FPE} = 'IGNORE'; 2697$SIG{FPE} = 'IGNORE';
2102 2698
2103$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2699$safe->permit_only (Opcode::opset qw(
2700 :base_core :base_mem :base_orig :base_math
2701 grepstart grepwhile mapstart mapwhile
2702 sort time
2703));
2104 2704
2105# here we export the classes and methods available to script code 2705# here we export the classes and methods available to script code
2106 2706
2107=pod 2707=pod
2108 2708
2109The following fucntions and emthods are available within a safe environment: 2709The following functions and methods are available within a safe environment:
2110 2710
2111 cf::object contr pay_amount pay_player map 2711 cf::object
2712 contr pay_amount pay_player map x y force_find force_add
2713 insert remove name archname title slaying race
2714
2112 cf::object::player player 2715 cf::object::player
2113 cf::player peaceful 2716 player
2114 cf::map trigger 2717
2718 cf::player
2719 peaceful
2720
2721 cf::map
2722 trigger
2115 2723
2116=cut 2724=cut
2117 2725
2118for ( 2726for (
2119 ["cf::object" => qw(contr pay_amount pay_player map)], 2727 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728 insert remove inv name archname title slaying race)],
2120 ["cf::object::player" => qw(player)], 2729 ["cf::object::player" => qw(player)],
2121 ["cf::player" => qw(peaceful)], 2730 ["cf::player" => qw(peaceful)],
2122 ["cf::map" => qw(trigger)], 2731 ["cf::map" => qw(trigger)],
2123) { 2732) {
2124 no strict 'refs'; 2733 no strict 'refs';
2195=back 2804=back
2196 2805
2197=cut 2806=cut
2198 2807
2199############################################################################# 2808#############################################################################
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 2809# the server's init and main functions
2273 2810
2274sub load_faces { 2811sub load_facedata($) {
2275 my $path = sprintf "%s/faces", cf::datadir; 2812 my ($path) = @_;
2276 2813
2277 warn "loading faces from $path\n"; 2814 warn "loading facedata from $path\n";
2278 2815
2279 my $faces; 2816 my $facedata;
2280 0 < aio_load $path, $faces 2817 0 < aio_load $path, $facedata
2281 or die "$path: $!"; 2818 or die "$path: $!";
2282 2819
2283 Coro::cede;
2284 $faces = Storable::thaw $faces; 2820 $facedata = Coro::Storable::thaw $facedata;
2285 Coro::cede;
2286 2821
2822 $facedata->{version} == 2
2823 or cf::cleanup "$path: version mismatch, cannot proceed.";
2824
2825 {
2826 my $faces = $facedata->{faceinfo};
2827
2287 while (my ($face, $info) = each %$faces) { 2828 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2829 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2830 cf::face::set_visibility $idx, $info->{visibility};
2831 cf::face::set_magicmap $idx, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2832 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2291 Coro::cede; 2833 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2292 }
2293 2834
2835 cf::cede_to_tick;
2836 }
2837
2294 while (my ($face, $info) = each %$faces) { 2838 while (my ($face, $info) = each %$faces) {
2295 next unless $info->{smooth}; 2839 next unless $info->{smooth};
2296 my $idx = cf::face::find $face 2840 my $idx = cf::face::find $face
2297 or next; 2841 or next;
2298 if (my $smooth = cf::face::find $info->{smooth}) { 2842 if (my $smooth = cf::face::find $info->{smooth}) {
2299 cf::face::set_smooth $idx, $smooth; 2843 cf::face::set_smooth $idx, $smooth;
2300 warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d# 2844 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301 } else { 2845 } else {
2302 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2846 warn "smooth face '$info->{smooth}' not found for face '$face'";
2303 } 2847 }
2304 Coro::cede; 2848
2849 cf::cede_to_tick;
2850 }
2851 }
2852
2853 {
2854 my $anims = $facedata->{animinfo};
2855
2856 while (my ($anim, $info) = each %$anims) {
2857 cf::anim::set $anim, $info->{frames}, $info->{facings};
2858 cf::cede_to_tick;
2859 }
2860
2861 cf::anim::invalidate_all; # d'oh
2862 }
2863
2864 {
2865 # TODO: for gcfclient pleasure, we should give resources
2866 # that gcfclient doesn't grok a >10000 face index.
2867 my $res = $facedata->{resource};
2868 my $enc = JSON::XS->new->utf8->canonical;
2869
2870 my $soundconf = delete $res->{"res/sound.conf"};
2871
2872 while (my ($name, $info) = each %$res) {
2873 my $meta = $enc->encode ({
2874 name => $name,
2875 %{ $info->{meta} || {} },
2876 });
2877
2878 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879
2880 if ($info->{type} & 1) {
2881 # prepend meta info
2882
2883 my $data = pack "(w/a*)*", $meta, $info->{data};
2884 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886 cf::face::set_data $idx, 0, $data, $chk;
2887 } else {
2888 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
2889 }
2890
2891 cf::face::set_type $idx, $info->{type};
2892
2893 cf::cede_to_tick;
2894 }
2895
2896 if ($soundconf) {
2897 $soundconf = $enc->decode (delete $soundconf->{data});
2898
2899 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900 my $sound = $soundconf->{compat}[$_]
2901 or next;
2902
2903 my $face = cf::face::find "sound/$sound->[1]";
2904 cf::sound::set $sound->[0] => $face;
2905 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2906 }
2907
2908 while (my ($k, $v) = each %{$soundconf->{event}}) {
2909 my $face = cf::face::find "sound/$v";
2910 cf::sound::set $k => $face;
2911 }
2912 }
2305 } 2913 }
2306 2914
2307 1 2915 1
2308} 2916}
2309 2917
2918register_exticmd fx_want => sub {
2919 my ($ns, $want) = @_;
2920
2921 while (my ($k, $v) = each %$want) {
2922 $ns->fx_want ($k, $v);
2923 }
2924};
2925
2926sub reload_regions {
2927 load_resource_file "$MAPDIR/regions"
2928 or die "unable to load regions file\n";
2929
2930 for (cf::region::list) {
2931 $_->{match} = qr/$_->{match}/
2932 if exists $_->{match};
2933 }
2934}
2935
2936sub reload_facedata {
2937 load_facedata "$DATADIR/facedata"
2938 or die "unable to load facedata\n";
2939}
2940
2941sub reload_archetypes {
2942 load_resource_file "$DATADIR/archetypes"
2943 or die "unable to load archetypes\n";
2944 #d# NEED to laod twice to resolve forward references
2945 # this really needs to be done in an extra post-pass
2946 # (which needs to be synchronous, so solve it differently)
2947 load_resource_file "$DATADIR/archetypes"
2948 or die "unable to load archetypes\n";
2949}
2950
2951sub reload_treasures {
2952 load_resource_file "$DATADIR/treasures"
2953 or die "unable to load treasurelists\n";
2954}
2955
2310sub reload_resources { 2956sub reload_resources {
2311 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2957 warn "reloading resource files...\n";
2312 or die "unable to load regions file\n";#d# 2958
2959 reload_regions;
2313 load_faces 2960 reload_facedata;
2314 or die "unable to load faces\n";#d# 2961 #reload_archetypes;#d#
2962 reload_archetypes;
2963 reload_treasures;
2964
2965 warn "finished reloading resource files\n";
2315} 2966}
2316 2967
2317sub init { 2968sub init {
2318 reload_resources; 2969 reload_resources;
2319} 2970}
2320 2971
2321sub cfg_load { 2972sub cfg_load {
2322 open my $fh, "<:utf8", cf::confdir . "/config" 2973 open my $fh, "<:utf8", "$CONFDIR/config"
2323 or return; 2974 or return;
2324 2975
2325 local $/; 2976 local $/;
2326 *CFG = YAML::Syck::Load <$fh>; 2977 *CFG = YAML::Syck::Load <$fh>;
2327 2978
2372 }, 3023 },
2373 ); 3024 );
2374 } 3025 }
2375} 3026}
2376 3027
3028sub write_runtime {
3029 my $runtime = "$LOCALDIR/runtime";
3030
3031 # first touch the runtime file to show we are still running:
3032 # the fsync below can take a very very long time.
3033
3034 IO::AIO::aio_utime $runtime, undef, undef;
3035
3036 my $guard = cf::lock_acquire "write_runtime";
3037
3038 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3039 or return;
3040
3041 my $value = $cf::RUNTIME + 90 + 10;
3042 # 10 is the runtime save interval, for a monotonic clock
3043 # 60 allows for the watchdog to kill the server.
3044
3045 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3046 and return;
3047
3048 # always fsync - this file is important
3049 aio_fsync $fh
3050 and return;
3051
3052 # touch it again to show we are up-to-date
3053 aio_utime $fh, undef, undef;
3054
3055 close $fh
3056 or return;
3057
3058 aio_rename "$runtime~", $runtime
3059 and return;
3060
3061 warn "runtime file written.\n";
3062
3063 1
3064}
3065
2377sub emergency_save() { 3066sub emergency_save() {
2378 my $freeze_guard = cf::freeze_mainloop; 3067 my $freeze_guard = cf::freeze_mainloop;
2379 3068
2380 warn "enter emergency perl save\n"; 3069 warn "enter emergency perl save\n";
2381 3070
2412 3101
2413 warn Carp::longmess "post_cleanup backtrace" 3102 warn Carp::longmess "post_cleanup backtrace"
2414 if $make_core; 3103 if $make_core;
2415} 3104}
2416 3105
2417sub reload() { 3106sub do_reload_perl() {
2418 # can/must only be called in main 3107 # can/must only be called in main
2419 if ($Coro::current != $Coro::main) { 3108 if ($Coro::current != $Coro::main) {
2420 warn "can only reload from main coroutine"; 3109 warn "can only reload from main coroutine";
2421 return; 3110 return;
2422 } 3111 }
2456 %EXT_CORO = (); 3145 %EXT_CORO = ();
2457 3146
2458 warn "removing commands"; 3147 warn "removing commands";
2459 %COMMAND = (); 3148 %COMMAND = ();
2460 3149
2461 warn "removing ext commands"; 3150 warn "removing ext/exti commands";
2462 %EXTCMD = (); 3151 %EXTCMD = ();
3152 %EXTICMD = ();
2463 3153
2464 warn "unloading/nuking all extensions"; 3154 warn "unloading/nuking all extensions";
2465 for my $pkg (@EXTS) { 3155 for my $pkg (@EXTS) {
2466 warn "... unloading $pkg"; 3156 warn "... unloading $pkg";
2467 3157
2497 Symbol::delete_package "safe::$_" 3187 Symbol::delete_package "safe::$_"
2498 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3188 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499 3189
2500 warn "unloading cf.pm \"a bit\""; 3190 warn "unloading cf.pm \"a bit\"";
2501 delete $INC{"cf.pm"}; 3191 delete $INC{"cf.pm"};
3192 delete $INC{"cf/pod.pm"};
2502 3193
2503 # don't, removes xs symbols, too, 3194 # don't, removes xs symbols, too,
2504 # and global variables created in xs 3195 # and global variables created in xs
2505 #Symbol::delete_package __PACKAGE__; 3196 #Symbol::delete_package __PACKAGE__;
2506 3197
2521 warn "reattaching attachments to maps"; 3212 warn "reattaching attachments to maps";
2522 reattach $_ for values %MAP; 3213 reattach $_ for values %MAP;
2523 warn "reattaching attachments to players"; 3214 warn "reattaching attachments to players";
2524 reattach $_ for values %PLAYER; 3215 reattach $_ for values %PLAYER;
2525 3216
2526 warn "loading reloadable resources";
2527 reload_resources;
2528
2529 warn "leaving sync_job"; 3217 warn "leaving sync_job";
2530 3218
2531 1 3219 1
2532 } or do { 3220 } or do {
2533 warn $@; 3221 warn $@;
2538 warn "reloaded"; 3226 warn "reloaded";
2539}; 3227};
2540 3228
2541our $RELOAD_WATCHER; # used only during reload 3229our $RELOAD_WATCHER; # used only during reload
2542 3230
3231sub reload_perl() {
3232 # doing reload synchronously and two reloads happen back-to-back,
3233 # coro crashes during coro_state_free->destroy here.
3234
3235 $RELOAD_WATCHER ||= Event->timer (
3236 reentrant => 0,
3237 after => 0,
3238 data => WF_AUTOCANCEL,
3239 cb => sub {
3240 do_reload_perl;
3241 undef $RELOAD_WATCHER;
3242 },
3243 );
3244}
3245
2543register_command "reload" => sub { 3246register_command "reload" => sub {
2544 my ($who, $arg) = @_; 3247 my ($who, $arg) = @_;
2545 3248
2546 if ($who->flag (FLAG_WIZ)) { 3249 if ($who->flag (FLAG_WIZ)) {
2547 $who->message ("reloading server."); 3250 $who->message ("reloading server.");
2548 3251 async { reload_perl };
2549 # doing reload synchronously and two reloads happen back-to-back,
2550 # coro crashes during coro_state_free->destroy here.
2551
2552 $RELOAD_WATCHER ||= Event->timer (
2553 reentrant => 0,
2554 after => 0,
2555 data => WF_AUTOCANCEL,
2556 cb => sub {
2557 reload;
2558 undef $RELOAD_WATCHER;
2559 },
2560 );
2561 } 3252 }
2562}; 3253};
2563 3254
2564unshift @INC, $LIBDIR; 3255unshift @INC, $LIBDIR;
2565 3256
2566my $bug_warning = 0; 3257my $bug_warning = 0;
2567 3258
3259our @WAIT_FOR_TICK;
3260our @WAIT_FOR_TICK_BEGIN;
3261
3262sub wait_for_tick {
3263 return unless $TICK_WATCHER->is_active;
3264 return if $Coro::current == $Coro::main;
3265
3266 my $signal = new Coro::Signal;
3267 push @WAIT_FOR_TICK, $signal;
3268 $signal->wait;
3269}
3270
3271sub wait_for_tick_begin {
3272 return unless $TICK_WATCHER->is_active;
3273 return if $Coro::current == $Coro::main;
3274
3275 my $signal = new Coro::Signal;
3276 push @WAIT_FOR_TICK_BEGIN, $signal;
3277 $signal->wait;
3278}
3279
3280 my $min = 1e6;#d#
3281 my $avg = 10;
2568$TICK_WATCHER = Event->timer ( 3282$TICK_WATCHER = Event->timer (
2569 reentrant => 0, 3283 reentrant => 0,
2570 parked => 1, 3284 parked => 1,
2571 prio => 0, 3285 prio => 0,
2572 at => $NEXT_TICK || $TICK, 3286 at => $NEXT_TICK || $TICK,
2576 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3290 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577 unless ++$bug_warning > 10; 3291 unless ++$bug_warning > 10;
2578 return; 3292 return;
2579 } 3293 }
2580 3294
2581 $NOW = Event::time; 3295 $NOW = $tick_start = Event::time;
2582 3296
2583 cf::server_tick; # one server iteration 3297 cf::server_tick; # one server iteration
3298
3299 0 && sync_job {#d#
3300 for(1..10) {
3301 my $t = Event::time;
3302 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3303 or die;
3304
3305 $map->width (50);
3306 $map->height (50);
3307 $map->alloc;
3308 $map->_load_objects ("/tmp/x.map", 1);
3309 my $t = Event::time - $t;
3310
3311 #next unless $t < 0.0013;#d#
3312 if ($t < $min) {
3313 $min = $t;
3314 }
3315 $avg = $avg * 0.99 + $t * 0.01;
3316 }
3317 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3318 exit 0;
3319 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3320 };
3321
2584 $RUNTIME += $TICK; 3322 $RUNTIME += $TICK;
2585 $NEXT_TICK += $TICK; 3323 $NEXT_TICK += $TICK;
2586 3324
2587 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3325 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588 $NEXT_RUNTIME_WRITE = $NOW + 10; 3326 $NEXT_RUNTIME_WRITE = $NOW + 10;
2590 write_runtime 3328 write_runtime
2591 or warn "ERROR: unable to write runtime file: $!"; 3329 or warn "ERROR: unable to write runtime file: $!";
2592 }; 3330 };
2593 } 3331 }
2594 3332
2595 $WAIT_FOR_TICK->broadcast;
2596 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598# my $AFTER = Event::time; 3333# my $AFTER = Event::time;
2599# warn $AFTER - $NOW;#d# 3334# warn $AFTER - $NOW;#d#
2600 3335
3336 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337 $sig->send;
3338 }
3339 while (my $sig = shift @WAIT_FOR_TICK) {
3340 $sig->send;
3341 }
3342
3343 $NOW = Event::time;
3344
2601 # if we are delayed by four ticks or more, skip them all 3345 # if we are delayed by four ticks or more, skip them all
2602 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3346 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603 3347
2604 $TICK_WATCHER->at ($NEXT_TICK); 3348 $TICK_WATCHER->at ($NEXT_TICK);
2605 $TICK_WATCHER->start; 3349 $TICK_WATCHER->start;
3350
3351 $LOAD = ($NOW - $tick_start) / $TICK;
3352 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353
3354 _post_tick;
3355
3356
2606 }, 3357 },
2607); 3358);
2608 3359
2609{ 3360{
2610 BDB::max_poll_time $TICK * 0.1; 3361 BDB::max_poll_time $TICK * 0.1;
2638 3389
2639 cf::sync_job { 3390 cf::sync_job {
2640 eval { 3391 eval {
2641 BDB::db_env_open 3392 BDB::db_env_open
2642 $DB_ENV, 3393 $DB_ENV,
2643 $BDB_ENV_DIR, 3394 $BDBDIR,
2644 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3395 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3396 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646 0666; 3397 0666;
2647 3398
2648 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3399 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649 3400
2650 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3401 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651 $DB_ENV->set_lk_detect; 3402 $DB_ENV->set_lk_detect;
2652 }; 3403 };
2653 3404
2669 prio => 6, 3420 prio => 6,
2670 cb => \&IO::AIO::poll_cb, 3421 cb => \&IO::AIO::poll_cb,
2671 ); 3422 );
2672} 3423}
2673 3424
3425my $_log_backtrace;
3426
3427sub _log_backtrace {
3428 my ($msg, @addr) = @_;
3429
3430 $msg =~ s/\n//;
3431
3432 # limit the # of concurrent backtraces
3433 if ($_log_backtrace < 2) {
3434 ++$_log_backtrace;
3435 async {
3436 my @bt = fork_call {
3437 @addr = map { sprintf "%x", $_ } @addr;
3438 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440 or die "addr2line: $!";
3441
3442 my @funcs;
3443 my @res = <$fh>;
3444 chomp for @res;
3445 while (@res) {
3446 my ($func, $line) = splice @res, 0, 2, ();
3447 push @funcs, "[$func] $line";
3448 }
3449
3450 @funcs
3451 };
3452
3453 LOG llevInfo, "[ABT] $msg\n";
3454 LOG llevInfo, "[ABT] $_\n" for @bt;
3455 --$_log_backtrace;
3456 };
3457 } else {
3458 LOG llevInfo, "[ABT] $msg\n";
3459 LOG llevInfo, "[ABT] [suppressed]\n";
3460 }
3461}
3462
3463# load additional modules
3464use cf::pod;
3465
2674END { cf::emergency_save } 3466END { cf::emergency_save }
2675 3467
26761 34681
2677 3469

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