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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 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;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS 1.4 ();
27use BDB ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
31use YAML::Syck ();
23use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# 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?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
38 54
39our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
43 60
61our $RELOAD; # number of reloads so far
44our @EVENT; 62our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 63
47our $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(!)
48our $TICK_WATCHER; 77our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 80our $NEXT_TICK;
52our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
53 86
54our %CFG; 87our %CFG;
55 88
56our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 90our $RUNTIME;
58 91
59our %PLAYER; # all users 92our %PLAYER; # all users
60our %MAP; # all maps 93our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 95
67# 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 ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
70binmode STDOUT; 103binmode STDOUT;
71binmode STDERR; 104binmode STDERR;
72 105
73# read virtual server time, if available 106# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
78} 111}
79 112
80mkdir cf::localdir; 113mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 115
86our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
87 119
88############################################################################# 120#############################################################################
89 121
90=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
91 123
98=item $cf::RUNTIME 130=item $cf::RUNTIME
99 131
100The 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
101every server tick. 133every server tick.
102 134
103=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
104 138
105The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
106be 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.
107 143
108=item $cf::NOW 144=item $cf::NOW
109 145
110The time of the last (current) server tick. 146The time of the last (current) server tick.
111 147
112=item $cf::TICK 148=item $cf::TICK
113 149
114The 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.
115 161
116=item %cf::CFG 162=item %cf::CFG
117 163
118Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
119from wherever your confdir points to. 165from wherever your confdir points to.
120 166
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
122 168
123These 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
124or 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
125processing 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.
126window 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.
127 178
128=back 179=back
129 180
130=cut 181=cut
131 182
132BEGIN { 183BEGIN {
133 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 185 my $msg = join "", @_;
135 utf8::encode $msg;
136 186
137 $msg .= "\n" 187 $msg .= "\n"
138 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
139 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
140 LOG llevError, $msg; 193 LOG llevError, $msg;
141 }; 194 };
142} 195}
143 196
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@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';
149@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)
150 204
151# 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
152# within the Safe compartment. 206# within the Safe compartment.
153for my $pkg (qw( 207for my $pkg (qw(
154 cf::global cf::attachable 208 cf::global cf::attachable
162} 216}
163 217
164$Event::DIED = sub { 218$Event::DIED = sub {
165 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
166}; 220};
221
222#############################################################################
167 223
168=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
169 225
170=over 4 226=over 4
171 227
190 $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;
191 $d 247 $d
192 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
193} 249}
194 250
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
198 252
199Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
200 254
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
209 256
210Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
211 258
212=cut 259=cut
213 260
214sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
216 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
217} 264sub from_json ($) { $json_coder->decode ($_[0]) }
218 265
219=item cf::lock_wait $string 266=item cf::lock_wait $string
220 267
221Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
222 269
228returned. 275returned.
229 276
230Lock 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
231uses map_find and cf::map::load uses map_load). 278uses map_find and cf::map::load uses map_load).
232 279
280=item $locked = cf::lock_active $string
281
282Return true if the lock is currently active, i.e. somebody has locked it.
283
233=cut 284=cut
234 285
235our %LOCK; 286our %LOCK;
236 287
237sub lock_wait($) { 288sub lock_wait($) {
256 # wake up all waiters, to be on the safe side 307 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 308 $_->ready for @{ delete $LOCK{$key} };
258 } 309 }
259} 310}
260 311
312sub lock_active($) {
313 my ($key) = @_;
314
315 ! ! $LOCK{$key}
316}
317
261sub freeze_mainloop { 318sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 319 return unless $TICK_WATCHER->is_active;
263 320
264 my $guard = Coro::guard { 321 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 322 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 323 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 324 $TICK_WATCHER->stop;
270 $guard 325 $guard
326}
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;
271} 382}
272 383
273=item cf::async { BLOCK } 384=item cf::async { BLOCK }
274 385
275Currently the same as Coro::async_pool, meaning you cannot use 386Currently the same as Coro::async_pool, meaning you cannot use
280 391
281BEGIN { *async = \&Coro::async_pool } 392BEGIN { *async = \&Coro::async_pool }
282 393
283=item cf::sync_job { BLOCK } 394=item cf::sync_job { BLOCK }
284 395
285The design of crossfire+ requires that the main coro ($Coro::main) is 396The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 397is always able to handle events or runnable, as Crossfire TRT is only
287reentrant. 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.
288 400
289If 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
290the given BLOCK in another coroutine while waiting for the result. The 402the given BLOCK in another coroutine while waiting for the result. The
291server 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
292fast or be very important. 404fast or be very important.
295 407
296sub sync_job(&) { 408sub sync_job(&) {
297 my ($job) = @_; 409 my ($job) = @_;
298 410
299 if ($Coro::current == $Coro::main) { 411 if ($Coro::current == $Coro::main) {
412 my $time = Event::time;
413
300 # this is the main coro, too bad, we have to block 414 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 415 # till the operation succeeds, freezing the server :/
302 416
303 # TODO: use suspend/resume instead 417 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 418 # (but this is cancel-safe)
315 429
316 while ($busy) { 430 while ($busy) {
317 Coro::cede or Event::one_event; 431 Coro::cede or Event::one_event;
318 } 432 }
319 433
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
320 wantarray ? @res : $res[0] 441 wantarray ? @res : $res[0]
321 } else { 442 } else {
322 # we are in another coroutine, how wonderful, everything just works 443 # we are in another coroutine, how wonderful, everything just works
323 444
324 $job->() 445 $job->()
343 $EXT_CORO{$coro+0} = $coro; 464 $EXT_CORO{$coro+0} = $coro;
344 465
345 $coro 466 $coro
346} 467}
347 468
348sub write_runtime { 469=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 470
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 471Executes the given code block with the given arguments in a seperate
352 or return; 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.
353 475
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 476=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 477
358 aio_fsync $fh 478sub fork_call(&@) {
359 and return; 479 my ($cb, @args) = @_;
360 480
361 close $fh 481 # we seemingly have to make a local copy of the whole thing,
362 or return; 482 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious)
363 484
364 aio_rename "$runtime~", $runtime 485 my @res = Coro::Util::fork_eval {
365 and return; 486 reset_signals;
487 &$cb
488 }, @args;
366 489
490 wantarray ? @res : $res[-1]
491}
492
493=item $value = cf::db_get $family => $key
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 };
367 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 });
368} 618}
369 619
370=back 620=back
371 621
372=cut 622=cut
379attach callbacks/event handlers (a collection of which is called an "attachment") 629attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 630to it. All such attachable objects support the following methods.
381 631
382In 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>
383C<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
384crossfire+). 634Crossfire TRT).
385 635
386=over 4 636=over 4
387 637
388=item $attachable->attach ($attachment, key => $value...) 638=item $attachable->attach ($attachment, key => $value...)
389 639
503our @CB_TYPE = (); # registry for type (cf-object class) based events 753our @CB_TYPE = (); # registry for type (cf-object class) based events
504our @CB_MAP = (); 754our @CB_MAP = ();
505 755
506my %attachment; 756my %attachment;
507 757
758sub cf::attachable::thawer_merge {
759 # simply override everything except _meta
760 local $_[0]{_meta};
761 %{$_[0]} = %{$_[1]};
762}
763
508sub _attach_cb($$$$) { 764sub _attach_cb($$$$) {
509 my ($registry, $event, $prio, $cb) = @_; 765 my ($registry, $event, $prio, $cb) = @_;
510 766
511 use sort 'stable'; 767 use sort 'stable';
512 768
546 $registry = $CB_TYPE[$object_type] ||= []; 802 $registry = $CB_TYPE[$object_type] ||= [];
547 803
548 } elsif ($type eq "subtype") { 804 } elsif ($type eq "subtype") {
549 defined $object_type or Carp::croak "subtype specified without type"; 805 defined $object_type or Carp::croak "subtype specified without type";
550 my $object_subtype = shift @arg; 806 my $object_subtype = shift @arg;
551 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 807 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552 808
553 } elsif ($type eq "package") { 809 } elsif ($type eq "package") {
554 my $pkg = shift @arg; 810 my $pkg = shift @arg;
555 811
556 while (my ($name, $id) = each %cb_id) { 812 while (my ($name, $id) = each %cb_id) {
585 _attach $registry, $klass, @attach; 841 _attach $registry, $klass, @attach;
586 } 842 }
587 843
588 $obj->{$name} = \%arg; 844 $obj->{$name} = \%arg;
589 } else { 845 } else {
590 warn "object uses attachment '$name' that is not available, postponing.\n"; 846 warn "object uses attachment '$name' which is not available, postponing.\n";
591 } 847 }
592 848
593 $obj->{_attachment}{$name} = undef; 849 $obj->{_attachment}{$name} = undef;
594} 850}
595 851
597 if (ref $_[0]) { 853 if (ref $_[0]) {
598 _object_attach @_; 854 _object_attach @_;
599 } else { 855 } else {
600 _attach shift->_attach_registry, @_; 856 _attach shift->_attach_registry, @_;
601 } 857 }
858 _recalc_want;
602}; 859};
603 860
604# all those should be optimised 861# all those should be optimised
605sub cf::attachable::detach { 862sub cf::attachable::detach {
606 my ($obj, $name) = @_; 863 my ($obj, $name) = @_;
609 delete $obj->{_attachment}{$name}; 866 delete $obj->{_attachment}{$name};
610 reattach ($obj); 867 reattach ($obj);
611 } else { 868 } else {
612 Carp::croak "cannot, currently, detach class attachments"; 869 Carp::croak "cannot, currently, detach class attachments";
613 } 870 }
871 _recalc_want;
614}; 872};
615 873
616sub cf::attachable::attached { 874sub cf::attachable::attached {
617 my ($obj, $name) = @_; 875 my ($obj, $name) = @_;
618 876
633 "; 891 ";
634 die if $@; 892 die if $@;
635} 893}
636 894
637our $override; 895our $override;
638our @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?
639 897
640sub override { 898sub override {
641 $override = 1; 899 $override = 1;
642 @invoke_results = (); 900 @INVOKE_RESULTS = (@_);
643} 901}
644 902
645sub do_invoke { 903sub do_invoke {
646 my $event = shift; 904 my $event = shift;
647 my $callbacks = shift; 905 my $callbacks = shift;
648 906
649 @invoke_results = (); 907 @INVOKE_RESULTS = ();
650 908
651 local $override; 909 local $override;
652 910
653 for (@$callbacks) { 911 for (@$callbacks) {
654 eval { &{$_->[1]} }; 912 eval { &{$_->[1]} };
671 929
672Generate an object-specific event with the given arguments. 930Generate an object-specific event with the given arguments.
673 931
674This 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
675removed 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
676results (if you must, access C<@cf::invoke_results> directly). 934results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677 935
678=back 936=back
679 937
680=cut 938=cut
681 939
682############################################################################# 940#############################################################################
683# 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}
684 953
685sub reattach { 954sub reattach {
686 # basically do the same as instantiate, without calling instantiate 955 # basically do the same as instantiate, without calling instantiate
687 my ($obj) = @_; 956 my ($obj) = @_;
688 957
741 $filename, length $$rdata, scalar @$objs; 1010 $filename, length $$rdata, scalar @$objs;
742 1011
743 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744 chmod SAVE_MODE, $fh; 1013 chmod SAVE_MODE, $fh;
745 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746 aio_fsync $fh; 1015 aio_fsync $fh if $cf::USE_FSYNC;
747 close $fh; 1016 close $fh;
748 1017
749 if (@$objs) { 1018 if (@$objs) {
750 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1019 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751 chmod SAVE_MODE, $fh; 1020 chmod SAVE_MODE, $fh;
752 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1021 my $data = Storable::nfreeze { version => 1, objs => $objs };
753 aio_write $fh, 0, (length $data), $data, 0; 1022 aio_write $fh, 0, (length $data), $data, 0;
754 aio_fsync $fh; 1023 aio_fsync $fh if $cf::USE_FSYNC;
755 close $fh; 1024 close $fh;
756 aio_rename "$filename.pst~", "$filename.pst"; 1025 aio_rename "$filename.pst~", "$filename.pst";
757 } 1026 }
758 } else { 1027 } else {
759 aio_unlink "$filename.pst"; 1028 aio_unlink "$filename.pst";
791 or return; 1060 or return;
792 $av = eval { (Storable::thaw $av)->{objs} }; 1061 $av = eval { (Storable::thaw $av)->{objs} };
793 } 1062 }
794 1063
795 warn sprintf "loading %s (%d)\n", 1064 warn sprintf "loading %s (%d)\n",
796 $filename, length $data, scalar @{$av || []};#d# 1065 $filename, length $data, scalar @{$av || []};
797 return ($data, $av); 1066 return ($data, $av);
798} 1067}
1068
1069=head2 COMMAND CALLBACKS
1070
1071=over 4
1072
1073=cut
799 1074
800############################################################################# 1075#############################################################################
801# command handling &c 1076# command handling &c
802 1077
803=item cf::register_command $name => \&callback($ob,$args); 1078=item cf::register_command $name => \&callback($ob,$args);
816 push @{ $COMMAND{$name} }, [$caller, $cb]; 1091 push @{ $COMMAND{$name} }, [$caller, $cb];
817} 1092}
818 1093
819=item cf::register_extcmd $name => \&callback($pl,$packet); 1094=item cf::register_extcmd $name => \&callback($pl,$packet);
820 1095
821Register 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.
822 1101
823If 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
824called. 1103called.
825 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
826=cut 1116=cut
827 1117
828sub register_extcmd { 1118sub register_extcmd {
829 my ($name, $cb) = @_; 1119 my ($name, $cb) = @_;
830 1120
831 $EXTCMD{$name} = $cb; 1121 $EXTCMD{$name} = $cb;
1122}
1123
1124sub register_exticmd {
1125 my ($name, $cb) = @_;
1126
1127 $EXTICMD{$name} = $cb;
832} 1128}
833 1129
834cf::player->attach ( 1130cf::player->attach (
835 on_command => sub { 1131 on_command => sub {
836 my ($pl, $name, $params) = @_; 1132 my ($pl, $name, $params) = @_;
845 cf::override; 1141 cf::override;
846 }, 1142 },
847 on_extcmd => sub { 1143 on_extcmd => sub {
848 my ($pl, $buf) = @_; 1144 my ($pl, $buf) = @_;
849 1145
850 my $msg = eval { from_json $buf }; 1146 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851 1147
852 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
853 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1154 if (my $cb = $EXTCMD{$type}) {
854 if (my %reply = $cb->($pl, $msg)) { 1155 my @reply = $cb->($pl, @payload);
1156
855 $pl->ext_reply ($msg->{msgid}, %reply); 1157 $pl->ext_reply ($reply, @reply)
856 } 1158 if $reply;
857 } 1159 }
858 } else { 1160 } else {
859 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1161 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860 } 1162 }
861 1163
862 cf::override; 1164 cf::override;
863 }, 1165 },
864); 1166);
865 1167
866sub load_extension {
867 my ($path) = @_;
868
869 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
870 my $base = $1;
871 my $pkg = $1;
872 $pkg =~ s/[^[:word:]]/_/g;
873 $pkg = "ext::$pkg";
874
875 warn "... loading '$path' into '$pkg'\n";
876
877 open my $fh, "<:utf8", $path
878 or die "$path: $!";
879
880 my $source =
881 "package $pkg; use strict; use utf8;\n"
882 . "#line 1 \"$path\"\n{\n"
883 . (do { local $/; <$fh> })
884 . "\n};\n1";
885
886 unless (eval $source) {
887 my $msg = $@ ? "$path: $@\n"
888 : "extension disabled.\n";
889 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890 warn $@;
891 warn "mandatory extension failed to load, exiting.\n";
892 exit 1;
893 }
894 die $@;
895 }
896
897 push @EXTS, $pkg;
898}
899
900sub load_extensions { 1168sub load_extensions {
1169 cf::sync_job {
1170 my %todo;
1171
901 for my $ext (<$LIBDIR/*.ext>) { 1172 for my $path (<$LIBDIR/*.ext>) {
902 next unless -r $ext; 1173 next unless -r $path;
903 eval { 1174
904 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;
905 1 1232 }
906 } or warn "$ext not loaded: $@"; 1233
1234 skip:
1235 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1236 unless $progress;
1237 }
907 } 1238 };
908} 1239}
909 1240
910############################################################################# 1241#############################################################################
911 1242
1243=back
1244
912=head2 CORE EXTENSIONS 1245=head2 CORE EXTENSIONS
913 1246
914Functions and methods that extend core crossfire objects. 1247Functions and methods that extend core crossfire objects.
915 1248
916=cut 1249=cut
928Returns the given player object, loading it if necessary (might block). 1261Returns the given player object, loading it if necessary (might block).
929 1262
930=cut 1263=cut
931 1264
932sub playerdir($) { 1265sub playerdir($) {
933 cf::localdir 1266 "$PLAYERDIR/"
934 . "/"
935 . cf::playerdir
936 . "/"
937 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1267 . (ref $_[0] ? $_[0]->ob->name : $_[0])
938} 1268}
939 1269
940sub path($) { 1270sub path($) {
941 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1271 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942 1272
943 (playerdir $login) . "/$login.pl" 1273 (playerdir $login) . "/playerdata"
944} 1274}
945 1275
946sub find_active($) { 1276sub find_active($) {
947 $cf::PLAYER{$_[0]} 1277 $cf::PLAYER{$_[0]}
948 and $cf::PLAYER{$_[0]}->active 1278 and $cf::PLAYER{$_[0]}->active
951 1281
952sub exists($) { 1282sub exists($) {
953 my ($login) = @_; 1283 my ($login) = @_;
954 1284
955 $cf::PLAYER{$login} 1285 $cf::PLAYER{$login}
956 or cf::sync_job { !aio_stat $login } 1286 or cf::sync_job { !aio_stat path $login }
957} 1287}
958 1288
959sub find($) { 1289sub find($) {
960 return $cf::PLAYER{$_[0]} || do { 1290 return $cf::PLAYER{$_[0]} || do {
961 my $login = $_[0]; 1291 my $login = $_[0];
962 1292
963 my $guard = cf::lock_acquire "user_find:$login"; 1293 my $guard = cf::lock_acquire "user_find:$login";
964 1294
965 $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
966 my $pl = load_pl path $login 1303 my $pl = load_pl path $login
967 or return; 1304 or return;
968 $cf::PLAYER{$login} = $pl 1305 $cf::PLAYER{$login} = $pl
969 } 1306 }
970 } 1307 }
998 $cf::PLAYER{$login} = $self; 1335 $cf::PLAYER{$login} = $self;
999 1336
1000 $self 1337 $self
1001} 1338}
1002 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 (@_);
1348}
1349
1003=item $pl->quit_character 1350=item $pl->quit_character
1004 1351
1005Nukes the player without looking back. If logged in, the connection will 1352Nukes the player without looking back. If logged in, the connection will
1006be destroyed. May block for a long time. 1353be destroyed. May block for a long time.
1007 1354
1008=cut 1355=cut
1009 1356
1010sub quit_character { 1357sub quit_character {
1011 my ($pl) = @_; 1358 my ($pl) = @_;
1359
1360 my $name = $pl->ob->name;
1012 1361
1013 $pl->{deny_save} = 1; 1362 $pl->{deny_save} = 1;
1014 $pl->password ("*"); # this should lock out the player until we nuked the dir 1363 $pl->password ("*"); # this should lock out the player until we nuked the dir
1015 1364
1016 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1365 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1021 my $path = playerdir $pl; 1370 my $path = playerdir $pl;
1022 my $temp = "$path~$cf::RUNTIME~deleting~"; 1371 my $temp = "$path~$cf::RUNTIME~deleting~";
1023 aio_rename $path, $temp; 1372 aio_rename $path, $temp;
1024 delete $cf::PLAYER{$pl->ob->name}; 1373 delete $cf::PLAYER{$pl->ob->name};
1025 $pl->destroy; 1374 $pl->destroy;
1375
1376 my $prefix = qr<^~\Q$name\E/>;
1377
1378 # nuke player maps
1379 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1380
1026 IO::AIO::aio_rmtree $temp; 1381 IO::AIO::aio_rmtree $temp;
1382}
1383
1384=item $pl->kick
1385
1386Kicks a player out of the game. This destroys the connection.
1387
1388=cut
1389
1390sub kick {
1391 my ($pl, $kicker) = @_;
1392
1393 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1394 $pl->killer ("kicked");
1395 $pl->ns->destroy;
1027} 1396}
1028 1397
1029=item cf::player::list_logins 1398=item cf::player::list_logins
1030 1399
1031Returns am arrayref of all valid playernames in the system, can take a 1400Returns am arrayref of all valid playernames in the system, can take a
1032while and may block, so not sync_job-capable, ever. 1401while and may block, so not sync_job-capable, ever.
1033 1402
1034=cut 1403=cut
1035 1404
1036sub list_logins { 1405sub list_logins {
1037 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1406 my $dirs = aio_readdir $PLAYERDIR
1038 or return []; 1407 or return [];
1039 1408
1040 my @logins; 1409 my @logins;
1041 1410
1042 for my $login (@$dirs) { 1411 for my $login (@$dirs) {
1059=cut 1428=cut
1060 1429
1061sub maps($) { 1430sub maps($) {
1062 my ($pl) = @_; 1431 my ($pl) = @_;
1063 1432
1433 $pl = ref $pl ? $pl->ob->name : $pl;
1434
1064 my $files = aio_readdir playerdir $pl 1435 my $files = aio_readdir playerdir $pl
1065 or return; 1436 or return;
1066 1437
1067 my @paths; 1438 my @paths;
1068 1439
1069 for (@$files) { 1440 for (@$files) {
1070 utf8::decode $_; 1441 utf8::decode $_;
1071 next if /\.(?:pl|pst)$/; 1442 next if /\.(?:pl|pst)$/;
1072 next unless /^$PATH_SEP/o; 1443 next unless /^$PATH_SEP/o;
1073 1444
1074 s/\.map$//; 1445 push @paths, cf::map::normalise "~$pl/$_";
1075 push @paths, "~" . $pl->ob->name . "/" . $_;
1076 } 1446 }
1077 1447
1078 \@paths 1448 \@paths
1079} 1449}
1080 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
1081=item $player->ext_reply ($msgid, $msgtype, %msg) 1501=item $player->ext_reply ($msgid, @msg)
1082 1502
1083Sends an ext reply to the player. 1503Sends an ext reply to the player.
1084 1504
1085=cut 1505=cut
1086 1506
1087sub ext_reply($$$%) { 1507sub ext_reply($$@) {
1088 my ($self, $id, %msg) = @_; 1508 my ($self, $id, @msg) = @_;
1089 1509
1090 $msg{msgid} = $id; 1510 if ($self->ns->extcmd == 2) {
1091 1511 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1092 $self->send ("ext " . cf::to_json \%msg); 1512 } elsif ($self->ns->extcmd == 1) {
1513 #TODO: version 1, remove
1514 unshift @msg, msgtype => "reply", msgid => $id;
1515 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516 }
1093} 1517}
1094 1518
1095package cf; 1519=item $player->ext_msg ($type, @msg)
1520
1521Sends an ext event to the client.
1522
1523=cut
1524
1525sub ext_msg($$@) {
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}
1096 1559
1097=back 1560=back
1098
1099 1561
1100=head3 cf::map 1562=head3 cf::map
1101 1563
1102=over 4 1564=over 4
1103 1565
1107 1569
1108use Fcntl; 1570use Fcntl;
1109use Coro::AIO; 1571use Coro::AIO;
1110 1572
1111use overload 1573use overload
1112 '""' => \&as_string; 1574 '""' => \&as_string,
1575 fallback => 1;
1113 1576
1114our $MAX_RESET = 3600; 1577our $MAX_RESET = 3600;
1115our $DEFAULT_RESET = 3000; 1578our $DEFAULT_RESET = 3000;
1116 1579
1117sub generate_random_map { 1580sub generate_random_map {
1118 my ($self, $rmp) = @_; 1581 my ($self, $rmp) = @_;
1119
1120 # mit "rum" bekleckern, nicht 1582 # mit "rum" bekleckern, nicht
1121 $self->_create_random_map ( 1583 $self->_create_random_map (
1122 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1584 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1585 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1586 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1593 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132 (cf::region::find $rmp->{region}), $rmp->{custom} 1594 (cf::region::find $rmp->{region}), $rmp->{custom}
1133 ) 1595 )
1134} 1596}
1135 1597
1598=item cf::map->register ($regex, $prio)
1599
1600Register a handler for the map path matching the given regex at the
1601givne priority (higher is better, built-in handlers have priority 0, the
1602default).
1603
1604=cut
1605
1136sub register { 1606sub register {
1137 my (undef, $regex) = @_; 1607 my (undef, $regex, $prio) = @_;
1138 my $pkg = caller; 1608 my $pkg = caller;
1139 1609
1140 no strict; 1610 no strict;
1141 push @{"$pkg\::ISA"}, __PACKAGE__; 1611 push @{"$pkg\::ISA"}, __PACKAGE__;
1142 1612
1143 $EXT_MAP{$pkg} = qr<$regex>; 1613 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144} 1614}
1145 1615
1146# also paths starting with '/' 1616# also paths starting with '/'
1147$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1617$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1618
1619sub thawer_merge {
1620 my ($self, $merge) = @_;
1621
1622 # we have to keep some variables in memory intact
1623 local $self->{path};
1624 local $self->{load_path};
1625
1626 $self->SUPER::thawer_merge ($merge);
1627}
1148 1628
1149sub normalise { 1629sub normalise {
1150 my ($path, $base) = @_; 1630 my ($path, $base) = @_;
1631
1632 $path = "$path"; # make sure its a string
1633
1634 $path =~ s/\.map$//;
1151 1635
1152 # map plan: 1636 # map plan:
1153 # 1637 #
1154 # /! non-realised random map exit (special hack!) 1638 # /! non-realised random map exit (special hack!)
1155 # {... are special paths that are not being touched 1639 # {... are special paths that are not being touched
1183 1667
1184 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1668 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185 1669
1186 $path = normalise $path, $base; 1670 $path = normalise $path, $base;
1187 1671
1188 for my $pkg (keys %EXT_MAP) { 1672 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189 if ($path =~ $EXT_MAP{$pkg}) { 1673 if ($path =~ $EXT_MAP{$pkg}[1]) {
1190 my $self = bless cf::map::new, $pkg; 1674 my $self = bless cf::map::new, $pkg;
1191 $self->{path} = $path; $self->path ($path); 1675 $self->{path} = $path; $self->path ($path);
1192 $self->init; # pass $1 etc. 1676 $self->init; # pass $1 etc.
1193 return $self; 1677 return $self;
1194 } 1678 }
1195 } 1679 }
1196 1680
1197 Carp::carp "unable to resolve path '$path'."; 1681 Carp::cluck "unable to resolve path '$path' (base '$base').";
1198 () 1682 ()
1199} 1683}
1200 1684
1201sub init { 1685sub init {
1202 my ($self) = @_; 1686 my ($self) = @_;
1217 1701
1218# the original (read-only) location 1702# the original (read-only) location
1219sub load_path { 1703sub load_path {
1220 my ($self) = @_; 1704 my ($self) = @_;
1221 1705
1222 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1706 "$MAPDIR/$self->{path}.map"
1223} 1707}
1224 1708
1225# the temporary/swap location 1709# the temporary/swap location
1226sub save_path { 1710sub save_path {
1227 my ($self) = @_; 1711 my ($self) = @_;
1228 1712
1229 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1714 "$TMPDIR/$path.map"
1231} 1715}
1232 1716
1233# the unique path, undef == no special unique path 1717# the unique path, undef == no special unique path
1234sub uniq_path { 1718sub uniq_path {
1235 my ($self) = @_; 1719 my ($self) = @_;
1236 1720
1237 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1722 "$UNIQUEDIR/$path"
1239} 1723}
1240 1724
1241# and all this just because we cannot iterate over 1725# and all this just because we cannot iterate over
1242# all maps in C++... 1726# all maps in C++...
1243sub change_all_map_light { 1727sub change_all_map_light {
1245 1729
1246 $_->change_map_light ($change) 1730 $_->change_map_light ($change)
1247 for grep $_->outdoor, values %cf::MAP; 1731 for grep $_->outdoor, values %cf::MAP;
1248} 1732}
1249 1733
1734sub decay_objects {
1735 my ($self) = @_;
1736
1737 return if $self->{deny_reset};
1738
1739 $self->do_decay_objects;
1740}
1741
1250sub unlink_save { 1742sub unlink_save {
1251 my ($self) = @_; 1743 my ($self) = @_;
1252 1744
1253 utf8::encode (my $save = $self->save_path); 1745 utf8::encode (my $save = $self->save_path);
1254 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1746 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1747 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256} 1748}
1257 1749
1258sub load_header_from($) { 1750sub load_header_from($) {
1259 my ($self, $path) = @_; 1751 my ($self, $path) = @_;
1260 1752
1261 utf8::encode $path; 1753 utf8::encode $path;
1262 aio_open $path, O_RDONLY, 0 1754 #aio_open $path, O_RDONLY, 0
1263 or return; 1755 # or return;
1264 1756
1265 $self->_load_header ($path) 1757 $self->_load_header ($path)
1266 or return; 1758 or return;
1267 1759
1268 $self->{load_path} = $path; 1760 $self->{load_path} = $path;
1269 1761
1270 1 1762 1
1271} 1763}
1272 1764
1273sub load_orig { 1765sub load_header_orig {
1274 my ($self) = @_; 1766 my ($self) = @_;
1275 1767
1276 $self->load_header_from ($self->load_path) 1768 $self->load_header_from ($self->load_path)
1277} 1769}
1278 1770
1279sub load_temp { 1771sub load_header_temp {
1280 my ($self) = @_; 1772 my ($self) = @_;
1281 1773
1282 $self->load_header_from ($self->save_path) 1774 $self->load_header_from ($self->save_path)
1775}
1776
1777sub prepare_temp {
1778 my ($self) = @_;
1779
1780 $self->last_access ((delete $self->{last_access})
1781 || $cf::RUNTIME); #d#
1782 # safety
1783 $self->{instantiate_time} = $cf::RUNTIME
1784 if $self->{instantiate_time} > $cf::RUNTIME;
1785}
1786
1787sub prepare_orig {
1788 my ($self) = @_;
1789
1790 $self->{load_original} = 1;
1791 $self->{instantiate_time} = $cf::RUNTIME;
1792 $self->last_access ($cf::RUNTIME);
1793 $self->instantiate;
1283} 1794}
1284 1795
1285sub load_header { 1796sub load_header {
1286 my ($self) = @_; 1797 my ($self) = @_;
1287 1798
1288 if ($self->load_temp) { 1799 if ($self->load_header_temp) {
1289 $self->last_access ((delete $self->{last_access}) 1800 $self->prepare_temp;
1290 || $cf::RUNTIME); #d#
1291 # safety
1292 $self->{instantiate_time} = $cf::RUNTIME
1293 if $self->{instantiate_time} > $cf::RUNTIME;
1294 } else { 1801 } else {
1295 $self->load_orig 1802 $self->load_header_orig
1296 or return; 1803 or return;
1297 1804 $self->prepare_orig;
1298 $self->{load_original} = 1;
1299 $self->{instantiate_time} = $cf::RUNTIME;
1300 $self->last_access ($cf::RUNTIME);
1301 $self->instantiate;
1302 } 1805 }
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;
1303 1812
1304 1 1813 1
1305} 1814}
1306 1815
1307sub find; 1816sub find;
1320 $map->{last_save} = $cf::RUNTIME; 1829 $map->{last_save} = $cf::RUNTIME;
1321 1830
1322 $map->load_header 1831 $map->load_header
1323 or return; 1832 or return;
1324 1833
1325 if ($map->should_reset) { 1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835 # doing this can freeze the server in a sync job, obviously
1836 #$cf::WAIT_FOR_TICK->wait;
1326 $map->reset; 1837 $map->reset;
1327 undef $guard; 1838 undef $guard;
1328 $map = find $path 1839 return find $path;
1329 or return;
1330 } 1840 }
1331 1841
1332 $cf::MAP{$path} = $map 1842 $cf::MAP{$path} = $map
1333 } 1843 }
1334} 1844}
1845
1846sub pre_load { }
1847sub post_load { }
1335 1848
1336sub load { 1849sub load {
1337 my ($self) = @_; 1850 my ($self) = @_;
1338 1851
1852 local $self->{deny_reset} = 1; # loading can take a long time
1853
1339 my $path = $self->{path}; 1854 my $path = $self->{path};
1855
1856 {
1340 my $guard = cf::lock_acquire "map_load:$path"; 1857 my $guard = cf::lock_acquire "map_load:$path";
1341 1858
1342 return if $self->in_memory != cf::MAP_SWAPPED; 1859 return if $self->in_memory != cf::MAP_SWAPPED;
1343 1860
1344 $self->in_memory (cf::MAP_LOADING); 1861 $self->in_memory (cf::MAP_LOADING);
1345 1862
1346 $self->alloc; 1863 $self->alloc;
1347 $self->_load_objects ($self->{load_path}, 1)
1348 or return;
1349 1864
1350 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1865 $self->pre_load;
1351 if delete $self->{load_original};
1352
1353 if (my $uniq = $self->uniq_path) {
1354 utf8::encode $uniq;
1355 if (aio_open $uniq, O_RDONLY, 0) {
1356 $self->clear_unique_items;
1357 $self->_load_objects ($uniq, 0);
1358 }
1359 }
1360
1361 Coro::cede;
1362
1363 # now do the right thing for maps
1364 $self->link_multipart_objects;
1365
1366 unless ($self->{deny_activate}) {
1367 $self->decay_objects;
1368 $self->fix_auto_apply;
1369 $self->update_buttons;
1370 Coro::cede; 1866 Coro::cede;
1371 $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;
1372 $self->difficulty ($self->estimate_difficulty) 1885 $self->difficulty ($self->estimate_difficulty)
1373 unless $self->difficulty; 1886 unless $self->difficulty;
1374 Coro::cede; 1887 Coro::cede;
1888
1889 unless ($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;
1375 $self->activate; 1896 $self->activate;
1376 } 1897 }
1377 1898
1899 $self->{last_save} = $cf::RUNTIME;
1900 $self->last_access ($cf::RUNTIME);
1901
1378 $self->in_memory (cf::MAP_IN_MEMORY); 1902 $self->in_memory (cf::MAP_IN_MEMORY);
1903 }
1904
1905 $self->post_load;
1379} 1906}
1380 1907
1381sub customise_for { 1908sub customise_for {
1382 my ($self, $ob) = @_; 1909 my ($self, $ob) = @_;
1383 1910
1384 return find "~" . $ob->name . "/" . $self->{path} 1911 return find "~" . $ob->name . "/" . $self->{path}
1385 if $self->per_player; 1912 if $self->per_player;
1913
1914# return find "?party/" . $ob->name . "/" . $self->{path}
1915# if $self->per_party;
1386 1916
1387 $self 1917 $self
1388} 1918}
1389 1919
1390# 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
1422 1952
1423 cf::sync_job { $map->load }; 1953 cf::sync_job { $map->load };
1424} 1954}
1425 1955
1426our %MAP_PREFETCH; 1956our %MAP_PREFETCH;
1427our $MAP_PREFETCHER = Coro::async { 1957our $MAP_PREFETCHER = undef;
1428 while () {
1429 for my $path (keys %MAP_PREFETCH) {
1430 my $map = find $path
1431 or next;
1432 $map->load;
1433
1434 delete $MAP_PREFETCH{$path};
1435 }
1436 Coro::schedule;
1437 }
1438};
1439 1958
1440sub find_async { 1959sub find_async {
1441 my ($path, $origin) = @_; 1960 my ($path, $origin) = @_;
1442 1961
1443 $path = normalise $path, $origin && $origin->{path}; 1962 $path = normalise $path, $origin && $origin->{path};
1444 1963
1445 if (my $map = $cf::MAP{$path}) { 1964 if (my $map = $cf::MAP{$path}) {
1446 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1965 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447 } 1966 }
1448 1967
1449 $MAP_PREFETCH{$path} = 0; 1968 undef $MAP_PREFETCH{$path};
1969 $MAP_PREFETCHER ||= cf::async {
1970 while (%MAP_PREFETCH) {
1971 for my $path (keys %MAP_PREFETCH) {
1972 if (my $map = find $path) {
1973 $map->load;
1974 }
1975
1976 delete $MAP_PREFETCH{$path};
1977 }
1978 }
1979 undef $MAP_PREFETCHER;
1980 };
1450 $MAP_PREFETCHER->ready; 1981 $MAP_PREFETCHER->prio (6);
1451 1982
1452 () 1983 ()
1453} 1984}
1454 1985
1455sub save { 1986sub save {
1500 2031
1501sub reset_at { 2032sub reset_at {
1502 my ($self) = @_; 2033 my ($self) = @_;
1503 2034
1504 # TODO: safety, remove and allow resettable per-player maps 2035 # TODO: safety, remove and allow resettable per-player maps
1505 return 1e99 if $self->isa ("ext::map_per_player");#d#
1506 return 1e99 if $self->{deny_reset}; 2036 return 1e99 if $self->{deny_reset};
1507 2037
1508 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2038 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2039 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510 2040
1515 my ($self) = @_; 2045 my ($self) = @_;
1516 2046
1517 $self->reset_at <= $cf::RUNTIME 2047 $self->reset_at <= $cf::RUNTIME
1518} 2048}
1519 2049
1520sub rename {
1521 my ($self, $new_path) = @_;
1522
1523 normalise $new_path;
1524
1525 $self->unlink_save;
1526
1527 delete $cf::MAP{$self->path};
1528 $self->{path} = $new_path; $self->path ($self->{path});
1529 $cf::MAP{$self->path} = $self;
1530
1531 $self->save;
1532}
1533
1534sub reset { 2050sub reset {
1535 my ($self) = @_; 2051 my ($self) = @_;
1536 2052
1537 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2053 my $lock = cf::lock_acquire "map_data:$self->{path}";
1538 2054
1539 return if $self->players; 2055 return if $self->players;
1540 return if $self->isa ("ext::map_per_player");#d#
1541 2056
1542 warn "resetting map ", $self->path;#d# 2057 warn "resetting map ", $self->path;
2058
2059 $self->in_memory (cf::MAP_SWAPPED);
2060
2061 # need to save uniques path
2062 unless ($self->{deny_save}) {
2063 my $uniq = $self->uniq_path; utf8::encode $uniq;
2064
2065 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2066 if $uniq;
2067 }
1543 2068
1544 delete $cf::MAP{$self->path}; 2069 delete $cf::MAP{$self->path};
1545 2070
1546 $self->in_memory (cf::MAP_SWAPPED);
1547 $self->clear; 2071 $self->clear;
1548 2072
1549 $_->clear_links_to ($self) for values %cf::MAP; 2073 $_->clear_links_to ($self) for values %cf::MAP;
1550 2074
1551 $self->unlink_save; 2075 $self->unlink_save;
1555my $nuke_counter = "aaaa"; 2079my $nuke_counter = "aaaa";
1556 2080
1557sub nuke { 2081sub nuke {
1558 my ($self) = @_; 2082 my ($self) = @_;
1559 2083
2084 delete $cf::MAP{$self->path};
2085
2086 $self->unlink_save;
2087
2088 bless $self, "cf::map";
2089 delete $self->{deny_reset};
1560 $self->{deny_save} = 1; 2090 $self->{deny_save} = 1;
1561 $self->reset_timeout (1); 2091 $self->reset_timeout (1);
1562 $self->rename ("{nuke}/" . ($nuke_counter++)); 2092 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093
2094 $cf::MAP{$self->path} = $self;
2095
1563 $self->reset; # polite request, might not happen 2096 $self->reset; # polite request, might not happen
2097}
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 ]
1564} 2133}
1565 2134
1566=item cf::map::unique_maps 2135=item cf::map::unique_maps
1567 2136
1568Returns an arrayref of paths of all shared maps that have 2137Returns an arrayref of paths of all shared maps that have
1569instantiated unique items. May block. 2138instantiated unique items. May block.
1570 2139
1571=cut 2140=cut
1572 2141
1573sub unique_maps() { 2142sub unique_maps() {
1574 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2143 [
1575 or return; 2144 map {
1576
1577 my @paths;
1578
1579 for (@$files) {
1580 utf8::decode $_; 2145 utf8::decode $_;
1581 next if /\.pst$/;
1582 next unless /^$PATH_SEP/o;
1583
1584 s/\.map$//; 2146 /\.map$/
1585 push @paths, $_; 2147 ? normalise $_
2148 : ()
2149 } @{ aio_readdir $UNIQUEDIR or [] }
1586 } 2150 ]
1587
1588 \@paths
1589} 2151}
1590 2152
1591package cf; 2153package cf;
1592 2154
1593=back 2155=back
1639 2201
1640 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2202 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641 2203
1642 if ($self->{record_replies}) { 2204 if ($self->{record_replies}) {
1643 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2205 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2206
1644 } 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 {
1645 $msg = $npc->name . " says: $msg" if $npc; 2215 $msg = $npc->name . " says: $msg" if $npc;
1646 $self->message ($msg, $flags); 2216 $self->message ($msg, $flags);
2217 }
1647 } 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 (@_);
1648} 2229}
1649 2230
1650=item $player_object->may ("access") 2231=item $player_object->may ("access")
1651 2232
1652Returns wether the given player is authorized to access resource "access" 2233Returns wether the given player is authorized to access resource "access"
1684=cut 2265=cut
1685 2266
1686sub link_map { 2267sub link_map {
1687 unless ($LINK_MAP) { 2268 unless ($LINK_MAP) {
1688 $LINK_MAP = cf::map::find "{link}" 2269 $LINK_MAP = cf::map::find "{link}"
1689 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2270 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690 $LINK_MAP->load; 2271 $LINK_MAP->load;
1691 } 2272 }
1692 2273
1693 $LINK_MAP 2274 $LINK_MAP
1694} 2275}
1699 $self->deactivate_recursive; 2280 $self->deactivate_recursive;
1700 2281
1701 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2282 return if UNIVERSAL::isa $self->map, "ext::map_link";
1702 2283
1703 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2284 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704 if $self->map; 2285 if $self->map && $self->map->{path} ne "{link}";
1705 2286
1706 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2287 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1707} 2288}
1708 2289
1709sub cf::object::player::leave_link { 2290sub cf::object::player::leave_link {
1710 my ($self, $map, $x, $y) = @_; 2291 my ($self, $map, $x, $y) = @_;
2292
2293 return unless $self->contr->active;
1711 2294
1712 my $link_pos = delete $self->{_link_pos}; 2295 my $link_pos = delete $self->{_link_pos};
1713 2296
1714 unless ($map) { 2297 unless ($map) {
1715 # restore original map position 2298 # restore original map position
1733 $map->load; 2316 $map->load;
1734 $map->load_diag; 2317 $map->load_diag;
1735 2318
1736 return unless $self->contr->active; 2319 return unless $self->contr->active;
1737 $self->activate_recursive; 2320 $self->activate_recursive;
2321
2322 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738 $self->enter_map ($map, $x, $y); 2323 $self->enter_map ($map, $x, $y);
1739} 2324}
1740 2325
1741cf::player->attach ( 2326=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742 on_logout => sub {
1743 my ($pl) = @_;
1744 2327
1745 # abort map switching before logout 2328Moves the player to the given map-path and coordinates by first freezing
1746 if ($pl->ob->{_link_pos}) { 2329her, loading and preparing them map, calling the provided $check callback
1747 cf::sync_job { 2330that has to return the map if sucecssful, and then unfreezes the player on
1748 $pl->ob->leave_link 2331the new (success) or old (failed) map position. In either case, $done will
1749 }; 2332be called at the end of this process.
1750 }
1751 },
1752 on_login => sub {
1753 my ($pl) = @_;
1754 2333
1755 # try to abort aborted map switching on player login :)
1756 # should happen only on crashes
1757 if ($pl->ob->{_link_pos}) {
1758 $pl->ob->enter_link;
1759 (async {
1760 # we need this sleep as the login has a concurrent enter_exit running
1761 # and this sleep increases chances of the player not ending up in scorn
1762 $pl->ob->reply (undef,
1763 "There was an internal problem at your last logout, "
1764 . "the server will try to bring you to your intended destination in a second.",
1765 cf::NDI_RED);
1766 Coro::Timer::sleep 1;
1767 $pl->ob->leave_link;
1768 })->prio (2);
1769 }
1770 },
1771);
1772
1773=item $player_object->goto ($path, $x, $y)
1774
1775=cut 2334=cut
2335
2336our $GOTOGEN;
1776 2337
1777sub cf::object::player::goto { 2338sub cf::object::player::goto {
1778 my ($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;
1779 2343
1780 $self->enter_link; 2344 $self->enter_link;
1781 2345
1782 (async { 2346 (async {
2347 my $map = eval {
1783 my $map = cf::map::find $path; 2348 my $map = cf::map::find $path;
2349
2350 if ($map) {
1784 $map = $map->customise_for ($self) if $map; 2351 $map = $map->customise_for ($self);
1785 2352 $map = $check->($map) if $check && $map;
1786# warn "entering ", $map->path, " at ($x, $y)\n" 2353 } else {
1787# if $map;
1788
1789 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2354 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2355 }
1790 2356
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 $@;
2363 }
2364
2365 if ($gen == $self->{_goto_generation}) {
2366 delete $self->{_goto_generation};
1791 $self->leave_link ($map, $x, $y); 2367 $self->leave_link ($map, $x, $y);
2368 }
2369
2370 $done->() if $done;
1792 })->prio (1); 2371 })->prio (1);
1793} 2372}
1794 2373
1795=item $player_object->enter_exit ($exit_object) 2374=item $player_object->enter_exit ($exit_object)
1796 2375
1798 2377
1799sub parse_random_map_params { 2378sub parse_random_map_params {
1800 my ($spec) = @_; 2379 my ($spec) = @_;
1801 2380
1802 my $rmp = { # defaults 2381 my $rmp = { # defaults
1803 xsize => 10, 2382 xsize => (cf::rndm 15, 40),
1804 ysize => 10, 2383 ysize => (cf::rndm 15, 40),
2384 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2385 #layout => string,
1805 }; 2386 };
1806 2387
1807 for (split /\n/, $spec) { 2388 for (split /\n/, $spec) {
1808 my ($k, $v) = split /\s+/, $_, 2; 2389 my ($k, $v) = split /\s+/, $_, 2;
1809 2390
1813 $rmp 2394 $rmp
1814} 2395}
1815 2396
1816sub prepare_random_map { 2397sub prepare_random_map {
1817 my ($exit) = @_; 2398 my ($exit) = @_;
2399
2400 my $guard = cf::lock_acquire "exit_prepare:$exit";
1818 2401
1819 # all this does is basically replace the /! path by 2402 # all this does is basically replace the /! path by
1820 # a new random map path (?random/...) with a seed 2403 # a new random map path (?random/...) with a seed
1821 # that depends on the exit object 2404 # that depends on the exit object
1822 2405
1823 my $rmp = parse_random_map_params $exit->msg; 2406 my $rmp = parse_random_map_params $exit->msg;
1824 2407
1825 if ($exit->map) { 2408 if ($exit->map) {
1826 $rmp->{region} = $exit->map->region_name; 2409 $rmp->{region} = $exit->region->name;
1827 $rmp->{origin_map} = $exit->map->path; 2410 $rmp->{origin_map} = $exit->map->path;
1828 $rmp->{origin_x} = $exit->x; 2411 $rmp->{origin_x} = $exit->x;
1829 $rmp->{origin_y} = $exit->y; 2412 $rmp->{origin_y} = $exit->y;
1830 } 2413 }
1831 2414
1832 $rmp->{random_seed} ||= $exit->random_seed; 2415 $rmp->{random_seed} ||= $exit->random_seed;
1833 2416
1834 my $data = cf::to_json $rmp; 2417 my $data = cf::to_json $rmp;
1835 my $md5 = Digest::MD5::md5_hex $data; 2418 my $md5 = Digest::MD5::md5_hex $data;
2419 my $meta = "$RANDOMDIR/$md5.meta";
1836 2420
1837 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2421 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838 aio_write $fh, 0, (length $data), $data, 0; 2422 aio_write $fh, 0, (length $data), $data, 0;
2423 undef $fh;
2424 aio_rename "$meta~", $meta;
1839 2425
1840 $exit->slaying ("?random/$md5"); 2426 $exit->slaying ("?random/$md5");
1841 $exit->msg (undef); 2427 $exit->msg (undef);
1842 } 2428 }
1843} 2429}
1845sub cf::object::player::enter_exit { 2431sub cf::object::player::enter_exit {
1846 my ($self, $exit) = @_; 2432 my ($self, $exit) = @_;
1847 2433
1848 return unless $self->type == cf::PLAYER; 2434 return unless $self->type == cf::PLAYER;
1849 2435
2436 if ($exit->slaying eq "/!") {
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
2440 cf::sync_job { prepare_random_map $exit };
2441 }
2442
2443 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2444 my $hp = $exit->stats->hp;
2445 my $sp = $exit->stats->sp;
2446
1850 $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);
1851 2452
1852 (async { 2453 (async {
1853 $self->deactivate_recursive; # just to be sure 2454 $self->deactivate_recursive; # just to be sure
1854 unless (eval { 2455 unless (eval {
1855 prepare_random_map $exit 2456 $self->goto ($slaying, $hp, $sp);
1856 if $exit->slaying eq "/!";
1857
1858 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860 2457
1861 1; 2458 1;
1862 }) { 2459 }) {
1863 $self->message ("Something went wrong deep within the crossfire server. " 2460 $self->message ("Something went wrong deep within the crossfire server. "
1864 . "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. "
1865 . "Please report this to the dungeon master!", 2462 . "Please report this to the dungeon master!",
1866 cf::NDI_UNIQUE | cf::NDI_RED); 2463 cf::NDI_UNIQUE | cf::NDI_RED);
1867 2464
1868 warn "ERROR in enter_exit: $@"; 2465 warn "ERROR in enter_exit: $@";
1869 $self->leave_link; 2466 $self->leave_link;
1870 } 2467 }
1871 })->prio (1); 2468 })->prio (1);
1884 2481
1885sub cf::client::send_drawinfo { 2482sub cf::client::send_drawinfo {
1886 my ($self, $text, $flags) = @_; 2483 my ($self, $text, $flags) = @_;
1887 2484
1888 utf8::encode $text; 2485 utf8::encode $text;
1889 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2486 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890} 2487}
1891 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}
1892 2569
1893=item $success = $client->query ($flags, "text", \&cb) 2570=item $success = $client->query ($flags, "text", \&cb)
1894 2571
1895Queues a query to the client, calling the given callback with 2572Queues a query to the client, calling the given callback with
1896the 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>,
1897C<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>.
1898 2575
1899Queries 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
1900reliable at some point in the future. 2577become reliable at some point in the future.
1901 2578
1902=cut 2579=cut
1903 2580
1904sub cf::client::query { 2581sub cf::client::query {
1905 my ($self, $flags, $text, $cb) = @_; 2582 my ($self, $flags, $text, $cb) = @_;
1913 utf8::encode $text; 2590 utf8::encode $text;
1914 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2591 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915 2592
1916 $self->send_packet ($self->{query_queue}[0][0]) 2593 $self->send_packet ($self->{query_queue}[0][0])
1917 if @{ $self->{query_queue} } == 1; 2594 if @{ $self->{query_queue} } == 1;
2595
2596 1
1918} 2597}
1919 2598
1920cf::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 },
1921 on_reply => sub { 2605 on_reply => sub {
1922 my ($ns, $msg) = @_; 2606 my ($ns, $msg) = @_;
1923 2607
1924 # this weird shuffling is so that direct followup queries 2608 # this weird shuffling is so that direct followup queries
1925 # get handled first 2609 # get handled first
1926 my $queue = delete $ns->{query_queue} 2610 my $queue = delete $ns->{query_queue}
1927 or return; # be conservative, not sure how that can happen, but we saw a crash here 2611 or return; # be conservative, not sure how that can happen, but we saw a crash here
1928 2612
1929 (shift @$queue)->[1]->($msg); 2613 (shift @$queue)->[1]->($msg);
2614 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930 2615
1931 push @{ $ns->{query_queue} }, @$queue; 2616 push @{ $ns->{query_queue} }, @$queue;
1932 2617
1933 if (@{ $ns->{query_queue} } == @$queue) { 2618 if (@{ $ns->{query_queue} } == @$queue) {
1934 if (@$queue) { 2619 if (@$queue) {
1936 } else { 2621 } else {
1937 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2622 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938 } 2623 }
1939 } 2624 }
1940 }, 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 },
1941); 2649);
1942 2650
1943=item $client->async (\&cb) 2651=item $client->async (\&cb)
1944 2652
1945Create a new coroutine, running the specified callback. The coroutine will 2653Create a new coroutine, running the specified callback. The coroutine will
1986our $safe = new Safe "safe"; 2694our $safe = new Safe "safe";
1987our $safe_hole = new Safe::Hole; 2695our $safe_hole = new Safe::Hole;
1988 2696
1989$SIG{FPE} = 'IGNORE'; 2697$SIG{FPE} = 'IGNORE';
1990 2698
1991$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));
1992 2704
1993# here we export the classes and methods available to script code 2705# here we export the classes and methods available to script code
1994 2706
1995=pod 2707=pod
1996 2708
1997The following fucntions and emthods are available within a safe environment: 2709The following functions and methods are available within a safe environment:
1998 2710
1999 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
2000 cf::object::player player 2715 cf::object::player
2001 cf::player peaceful 2716 player
2002 cf::map trigger 2717
2718 cf::player
2719 peaceful
2720
2721 cf::map
2722 trigger
2003 2723
2004=cut 2724=cut
2005 2725
2006for ( 2726for (
2007 ["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)],
2008 ["cf::object::player" => qw(player)], 2729 ["cf::object::player" => qw(player)],
2009 ["cf::player" => qw(peaceful)], 2730 ["cf::player" => qw(peaceful)],
2010 ["cf::map" => qw(trigger)], 2731 ["cf::map" => qw(trigger)],
2011) { 2732) {
2012 no strict 'refs'; 2733 no strict 'refs';
2083=back 2804=back
2084 2805
2085=cut 2806=cut
2086 2807
2087############################################################################# 2808#############################################################################
2809# the server's init and main functions
2088 2810
2089=head2 EXTENSION DATABASE SUPPORT 2811sub load_facedata($) {
2812 my ($path) = @_;
2090 2813
2091Crossfire maintains a very simple database for extension use. It can 2814 warn "loading facedata from $path\n";
2092currently store anything that can be serialised using Storable, which
2093excludes objects.
2094 2815
2095The parameter C<$family> should best start with the name of the extension 2816 my $facedata;
2096using it, it should be unique. 2817 0 < aio_load $path, $facedata
2818 or die "$path: $!";
2097 2819
2098=over 4 2820 $facedata = Coro::Storable::thaw $facedata;
2099 2821
2100=item $hashref = cf::db_get $family 2822 $facedata->{version} == 2
2823 or cf::cleanup "$path: version mismatch, cannot proceed.";
2101 2824
2102Return a hashref for use by the extension C<$family>, which can be
2103modified. After modifications, you have to call C<cf::db_dirty> or
2104C<cf::db_sync>.
2105
2106=item $value = cf::db_get $family => $key
2107
2108Returns a single value from the database
2109
2110=item cf::db_put $family => $hashref
2111
2112Stores the given family hashref into the database. Updates are delayed, if
2113you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115=item cf::db_put $family => $key => $value
2116
2117Stores the given C<$value> in the family hash. Updates are delayed, if you
2118want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120=item cf::db_dirty
2121
2122Marks the database as dirty, to be updated at a later time.
2123
2124=item cf::db_sync
2125
2126Immediately write the database to disk I<if it is dirty>.
2127
2128=cut
2129
2130our $DB;
2131
2132{
2133 my $path = cf::localdir . "/database.pst";
2134
2135 sub db_load() {
2136 $DB = stat $path ? Storable::retrieve $path : { };
2137 } 2825 {
2826 my $faces = $facedata->{faceinfo};
2138 2827
2139 my $pid; 2828 while (my ($face, $info) = each %$faces) {
2829 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2830 cf::face::set_visibility $idx, $info->{visibility};
2831 cf::face::set_magicmap $idx, $info->{magicmap};
2832 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2833 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2140 2834
2141 sub db_save() { 2835 cf::cede_to_tick;
2142 waitpid $pid, 0 if $pid;
2143 if (0 == ($pid = fork)) {
2144 $DB->{_meta}{version} = 1;
2145 Storable::nstore $DB, "$path~";
2146 rename "$path~", $path;
2147 cf::_exit 0 if defined $pid;
2148 }
2149 }
2150
2151 my $dirty;
2152
2153 sub db_sync() {
2154 db_save if $dirty;
2155 undef $dirty;
2156 }
2157
2158 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159 db_sync;
2160 });
2161
2162 sub db_dirty() {
2163 $dirty = 1;
2164 $idle->start;
2165 }
2166
2167 sub db_get($;$) {
2168 @_ >= 2
2169 ? $DB->{$_[0]}{$_[1]}
2170 : ($DB->{$_[0]} ||= { })
2171 }
2172
2173 sub db_put($$;$) {
2174 if (@_ >= 3) {
2175 $DB->{$_[0]}{$_[1]} = $_[2];
2176 } else {
2177 $DB->{$_[0]} = $_[1];
2178 }
2179 db_dirty;
2180 }
2181
2182 cf::global->attach (
2183 prio => 10000,
2184 on_cleanup => sub {
2185 db_sync;
2186 }, 2836 }
2187 );
2188}
2189 2837
2190############################################################################# 2838 while (my ($face, $info) = each %$faces) {
2191# the server's main() 2839 next unless $info->{smooth};
2840 my $idx = cf::face::find $face
2841 or next;
2842 if (my $smooth = cf::face::find $info->{smooth}) {
2843 cf::face::set_smooth $idx, $smooth;
2844 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845 } else {
2846 warn "smooth face '$info->{smooth}' not found for face '$face'";
2847 }
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 => $face;
2911 }
2912 }
2913 }
2914
2915 1
2916}
2917
2918register_exticmd fx_want => sub {
2919 my ($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
2956sub reload_resources {
2957 warn "reloading resource files...\n";
2958
2959 reload_regions;
2960 reload_facedata;
2961 #reload_archetypes;#d#
2962 reload_archetypes;
2963 reload_treasures;
2964
2965 warn "finished reloading resource files\n";
2966}
2967
2968sub init {
2969 reload_resources;
2970}
2192 2971
2193sub cfg_load { 2972sub cfg_load {
2194 open my $fh, "<:utf8", cf::confdir . "/config" 2973 open my $fh, "<:utf8", "$CONFDIR/config"
2195 or return; 2974 or return;
2196 2975
2197 local $/; 2976 local $/;
2198 *CFG = YAML::Syck::Load <$fh>; 2977 *CFG = YAML::Syck::Load <$fh>;
2199 2978
2213 2992
2214sub main { 2993sub main {
2215 # we must not ever block the main coroutine 2994 # we must not ever block the main coroutine
2216 local $Coro::idle = sub { 2995 local $Coro::idle = sub {
2217 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2996 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997 (async {
2218 async { Event::one_event }; 2998 Event::one_event;
2999 })->prio (Coro::PRIO_MAX);
2219 }; 3000 };
2220 3001
2221 cfg_load; 3002 cfg_load;
2222 db_load; 3003 db_init;
2223 load_extensions; 3004 load_extensions;
3005
3006 $TICK_WATCHER->start;
2224 Event::loop; 3007 Event::loop;
2225} 3008}
2226 3009
2227############################################################################# 3010#############################################################################
2228# initialisation and cleanup 3011# initialisation and cleanup
2229 3012
2230# install some emergency cleanup handlers 3013# install some emergency cleanup handlers
2231BEGIN { 3014BEGIN {
2232 for my $signal (qw(INT HUP TERM)) { 3015 for my $signal (qw(INT HUP TERM)) {
2233 Event->signal ( 3016 Event->signal (
3017 reentrant => 0,
2234 data => WF_AUTOCANCEL, 3018 data => WF_AUTOCANCEL,
2235 signal => $signal, 3019 signal => $signal,
3020 prio => 0,
2236 cb => sub { 3021 cb => sub {
2237 cf::cleanup "SIG$signal"; 3022 cf::cleanup "SIG$signal";
2238 }, 3023 },
2239 ); 3024 );
2240 } 3025 }
3026}
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
2241} 3064}
2242 3065
2243sub emergency_save() { 3066sub emergency_save() {
2244 my $freeze_guard = cf::freeze_mainloop; 3067 my $freeze_guard = cf::freeze_mainloop;
2245 3068
2262 my $map = $cf::MAP{$path} or next; 3085 my $map = $cf::MAP{$path} or next;
2263 $map->valid or next; 3086 $map->valid or next;
2264 $map->save; 3087 $map->save;
2265 } 3088 }
2266 warn "end emergency map save\n"; 3089 warn "end emergency map save\n";
3090
3091 warn "begin emergency database checkpoint\n";
3092 BDB::db_env_txn_checkpoint $DB_ENV;
3093 warn "end emergency database checkpoint\n";
2267 }; 3094 };
2268 3095
2269 warn "leave emergency perl save\n"; 3096 warn "leave emergency perl save\n";
2270} 3097}
2271 3098
3099sub post_cleanup {
3100 my ($make_core) = @_;
3101
3102 warn Carp::longmess "post_cleanup backtrace"
3103 if $make_core;
3104}
3105
2272sub reload() { 3106sub do_reload_perl() {
2273 # can/must only be called in main 3107 # can/must only be called in main
2274 if ($Coro::current != $Coro::main) { 3108 if ($Coro::current != $Coro::main) {
2275 warn "can only reload from main coroutine\n"; 3109 warn "can only reload from main coroutine";
2276 return; 3110 return;
2277 } 3111 }
2278 3112
2279 warn "reloading..."; 3113 warn "reloading...";
2280 3114
2281 warn "freezing server"; 3115 warn "entering sync_job";
2282 my $guard = freeze_mainloop; 3116
3117 cf::sync_job {
3118 cf::write_runtime; # external watchdog should not bark
2283 cf::emergency_save; 3119 cf::emergency_save;
3120 cf::write_runtime; # external watchdog should not bark
2284 3121
2285 warn "sync database to disk"; 3122 warn "syncing database to disk";
2286 cf::db_sync; 3123 BDB::db_env_txn_checkpoint $DB_ENV;
2287 IO::AIO::flush;
2288 3124
2289 eval {
2290 # if anything goes wrong in here, we should simply crash as we already saved 3125 # if anything goes wrong in here, we should simply crash as we already saved
2291 3126
2292 warn "cancel all watchers"; 3127 warn "cancelling all WF_AUTOCANCEL watchers";
2293 for (Event::all_watchers) { 3128 for (Event::all_watchers) {
2294 $_->cancel if $_->data & WF_AUTOCANCEL; 3129 $_->cancel if $_->data & WF_AUTOCANCEL;
2295 } 3130 }
2296 3131
3132 warn "flushing outstanding aio requests";
3133 for (;;) {
3134 BDB::flush;
3135 IO::AIO::flush;
3136 Coro::cede;
3137 last unless IO::AIO::nreqs || BDB::nreqs;
3138 warn "iterate...";
3139 }
3140
3141 ++$RELOAD;
3142
2297 warn "cancel all extension coros"; 3143 warn "cancelling all extension coros";
2298 $_->cancel for values %EXT_CORO; 3144 $_->cancel for values %EXT_CORO;
2299 %EXT_CORO = (); 3145 %EXT_CORO = ();
2300 3146
2301 warn "remove commands"; 3147 warn "removing commands";
2302 %COMMAND = (); 3148 %COMMAND = ();
2303 3149
2304 warn "remove ext commands"; 3150 warn "removing ext/exti commands";
2305 %EXTCMD = (); 3151 %EXTCMD = ();
3152 %EXTICMD = ();
2306 3153
2307 warn "unload/nuke all extensions"; 3154 warn "unloading/nuking all extensions";
2308 for my $pkg (@EXTS) { 3155 for my $pkg (@EXTS) {
2309 warn "... unloading $pkg"; 3156 warn "... unloading $pkg";
2310 3157
2311 if (my $cb = $pkg->can ("unload")) { 3158 if (my $cb = $pkg->can ("unload")) {
2312 eval { 3159 eval {
2317 3164
2318 warn "... nuking $pkg"; 3165 warn "... nuking $pkg";
2319 Symbol::delete_package $pkg; 3166 Symbol::delete_package $pkg;
2320 } 3167 }
2321 3168
2322 warn "unload all perl modules loaded from $LIBDIR"; 3169 warn "unloading all perl modules loaded from $LIBDIR";
2323 while (my ($k, $v) = each %INC) { 3170 while (my ($k, $v) = each %INC) {
2324 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3171 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325 3172
2326 warn "removing <$k>"; 3173 warn "... unloading $k";
2327 delete $INC{$k}; 3174 delete $INC{$k};
2328 3175
2329 $k =~ s/\.pm$//; 3176 $k =~ s/\.pm$//;
2330 $k =~ s/\//::/g; 3177 $k =~ s/\//::/g;
2331 3178
2334 } 3181 }
2335 3182
2336 Symbol::delete_package $k; 3183 Symbol::delete_package $k;
2337 } 3184 }
2338 3185
2339 warn "get rid of safe::, as good as possible"; 3186 warn "getting rid of safe::, as good as possible";
2340 Symbol::delete_package "safe::$_" 3187 Symbol::delete_package "safe::$_"
2341 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);
2342 3189
2343 warn "unload cf.pm \"a bit\""; 3190 warn "unloading cf.pm \"a bit\"";
2344 delete $INC{"cf.pm"}; 3191 delete $INC{"cf.pm"};
3192 delete $INC{"cf/pod.pm"};
2345 3193
2346 # don't, removes xs symbols, too, 3194 # don't, removes xs symbols, too,
2347 # and global variables created in xs 3195 # and global variables created in xs
2348 #Symbol::delete_package __PACKAGE__; 3196 #Symbol::delete_package __PACKAGE__;
2349 3197
3198 warn "unload completed, starting to reload now";
3199
2350 warn "reloading cf.pm"; 3200 warn "reloading cf.pm";
2351 require cf; 3201 require cf;
2352 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3202 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353 3203
2354 warn "load config and database again"; 3204 warn "loading config and database again";
2355 cf::cfg_load; 3205 cf::cfg_load;
2356 cf::db_load;
2357 3206
2358 warn "load extensions"; 3207 warn "loading extensions";
2359 cf::load_extensions; 3208 cf::load_extensions;
2360 3209
2361 warn "reattach attachments to objects/players"; 3210 warn "reattaching attachments to objects/players";
2362 _global_reattach; 3211 _global_reattach; # objects, sockets
2363 warn "reattach attachments to maps"; 3212 warn "reattaching attachments to maps";
2364 reattach $_ for values %MAP; 3213 reattach $_ for values %MAP;
2365 }; 3214 warn "reattaching attachments to players";
3215 reattach $_ for values %PLAYER;
2366 3216
2367 if ($@) { 3217 warn "leaving sync_job";
3218
3219 1
3220 } or do {
2368 warn $@; 3221 warn $@;
2369 warn "error while reloading, exiting."; 3222 warn "error while reloading, exiting.";
2370 exit 1; 3223 exit 1;
2371 } 3224 };
2372 3225
2373 warn "reloaded"; 3226 warn "reloaded";
2374}; 3227};
2375 3228
3229our $RELOAD_WATCHER; # used only during reload
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 $RELOAD_WATCHER;
3242 },
3243 );
3244}
3245
2376register_command "reload" => sub { 3246register_command "reload" => sub {
2377 my ($who, $arg) = @_; 3247 my ($who, $arg) = @_;
2378 3248
2379 if ($who->flag (FLAG_WIZ)) { 3249 if ($who->flag (FLAG_WIZ)) {
2380 $who->message ("start of reload.");
2381 reload;
2382 $who->message ("end of reload."); 3250 $who->message ("reloading server.");
3251 async { reload_perl };
2383 } 3252 }
2384}; 3253};
2385 3254
2386unshift @INC, $LIBDIR; 3255unshift @INC, $LIBDIR;
2387 3256
3257my $bug_warning = 0;
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 $avg = 10;
2388$TICK_WATCHER = Event->timer ( 3282$TICK_WATCHER = Event->timer (
2389 reentrant => 0, 3283 reentrant => 0,
3284 parked => 1,
2390 prio => 0, 3285 prio => 0,
2391 at => $NEXT_TICK || $TICK, 3286 at => $NEXT_TICK || $TICK,
2392 data => WF_AUTOCANCEL, 3287 data => WF_AUTOCANCEL,
2393 cb => sub { 3288 cb => sub {
3289 if ($Coro::current != $Coro::main) {
3290 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291 unless ++$bug_warning > 10;
3292 return;
3293 }
3294
2394 $NOW = Event::time; 3295 $NOW = $tick_start = Event::time;
2395 3296
2396 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
2397 $RUNTIME += $TICK; 3322 $RUNTIME += $TICK;
2398 $NEXT_TICK += $TICK; 3323 $NEXT_TICK += $TICK;
2399 3324
2400 $WAIT_FOR_TICK->broadcast; 3325 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3326 $NEXT_RUNTIME_WRITE = $NOW + 10;
3327 Coro::async_pool {
3328 write_runtime
3329 or warn "ERROR: unable to write runtime file: $!";
3330 };
3331 }
3332
3333# my $AFTER = Event::time;
3334# warn $AFTER - $NOW;#d#
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;
2402 3344
2403 # 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
2404 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3346 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405 3347
2406 $TICK_WATCHER->at ($NEXT_TICK); 3348 $TICK_WATCHER->at ($NEXT_TICK);
2407 $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
2408 }, 3357 },
2409); 3358);
2410 3359
3360{
3361 BDB::max_poll_time $TICK * 0.1;
3362 $BDB_POLL_WATCHER = Event->io (
3363 reentrant => 0,
3364 fd => BDB::poll_fileno,
3365 poll => 'r',
3366 prio => 0,
3367 data => WF_AUTOCANCEL,
3368 cb => \&BDB::poll_cb,
3369 );
3370 BDB::min_parallel 8;
3371
3372 BDB::set_sync_prepare {
3373 my $status;
3374 my $current = $Coro::current;
3375 (
3376 sub {
3377 $status = $!;
3378 $current->ready; undef $current;
3379 },
3380 sub {
3381 Coro::schedule while defined $current;
3382 $! = $status;
3383 },
3384 )
3385 };
3386
3387 unless ($DB_ENV) {
3388 $DB_ENV = BDB::db_env_create;
3389
3390 cf::sync_job {
3391 eval {
3392 BDB::db_env_open
3393 $DB_ENV,
3394 $BDBDIR,
3395 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397 0666;
3398
3399 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3400
3401 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3402 $DB_ENV->set_lk_detect;
3403 };
3404
3405 cf::cleanup "db_env_open(db): $@" if $@;
3406 };
3407 }
3408}
3409
3410{
3411 IO::AIO::min_parallel 8;
3412
3413 undef $Coro::AIO::WATCHER;
2411IO::AIO::max_poll_time $TICK * 0.2; 3414 IO::AIO::max_poll_time $TICK * 0.1;
2412
2413$AIO_POLL_WATCHER = Event->io ( 3415 $AIO_POLL_WATCHER = Event->io (
2414 fd => IO::AIO::poll_fileno, 3416 reentrant => 0,
2415 poll => 'r',
2416 prio => 5,
2417 data => WF_AUTOCANCEL,
2418 cb => \&IO::AIO::poll_cb,
2419);
2420
2421$WRITE_RUNTIME_WATCHER = Event->timer (
2422 data => WF_AUTOCANCEL, 3417 data => WF_AUTOCANCEL,
2423 after => 0, 3418 fd => IO::AIO::poll_fileno,
2424 interval => 10, 3419 poll => 'r',
2425 cb => sub { 3420 prio => 6,
2426 (Coro::unblock_sub { 3421 cb => \&IO::AIO::poll_cb,
2427 write_runtime 3422 );
2428 or warn "ERROR: unable to write runtime file: $!"; 3423}
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;
2429 })->(); 3456 };
3457 } else {
3458 LOG llevInfo, "[ABT] $msg\n";
3459 LOG llevInfo, "[ABT] [suppressed]\n";
2430 }, 3460 }
2431); 3461}
3462
3463# load additional modules
3464use cf::pod;
2432 3465
2433END { cf::emergency_save } 3466END { cf::emergency_save }
2434 3467
24351 34681
2436 3469

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