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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 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) = @_;
957
958 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688 959
689 my $registry = $obj->registry; 960 my $registry = $obj->registry;
690 961
691 @$registry = (); 962 @$registry = ();
692 963
739 $filename, length $$rdata, scalar @$objs; 1010 $filename, length $$rdata, scalar @$objs;
740 1011
741 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742 chmod SAVE_MODE, $fh; 1013 chmod SAVE_MODE, $fh;
743 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744 aio_fsync $fh; 1015 aio_fsync $fh if $cf::USE_FSYNC;
745 close $fh; 1016 close $fh;
746 1017
747 if (@$objs) { 1018 if (@$objs) {
748 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) {
749 chmod SAVE_MODE, $fh; 1020 chmod SAVE_MODE, $fh;
750 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1021 my $data = Storable::nfreeze { version => 1, objs => $objs };
751 aio_write $fh, 0, (length $data), $data, 0; 1022 aio_write $fh, 0, (length $data), $data, 0;
752 aio_fsync $fh; 1023 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 1024 close $fh;
754 aio_rename "$filename.pst~", "$filename.pst"; 1025 aio_rename "$filename.pst~", "$filename.pst";
755 } 1026 }
756 } else { 1027 } else {
757 aio_unlink "$filename.pst"; 1028 aio_unlink "$filename.pst";
789 or return; 1060 or return;
790 $av = eval { (Storable::thaw $av)->{objs} }; 1061 $av = eval { (Storable::thaw $av)->{objs} };
791 } 1062 }
792 1063
793 warn sprintf "loading %s (%d)\n", 1064 warn sprintf "loading %s (%d)\n",
794 $filename, length $data, scalar @{$av || []};#d# 1065 $filename, length $data, scalar @{$av || []};
795 return ($data, $av); 1066 return ($data, $av);
796} 1067}
1068
1069=head2 COMMAND CALLBACKS
1070
1071=over 4
1072
1073=cut
797 1074
798############################################################################# 1075#############################################################################
799# command handling &c 1076# command handling &c
800 1077
801=item cf::register_command $name => \&callback($ob,$args); 1078=item cf::register_command $name => \&callback($ob,$args);
814 push @{ $COMMAND{$name} }, [$caller, $cb]; 1091 push @{ $COMMAND{$name} }, [$caller, $cb];
815} 1092}
816 1093
817=item cf::register_extcmd $name => \&callback($pl,$packet); 1094=item cf::register_extcmd $name => \&callback($pl,$packet);
818 1095
819Register 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.
820 1101
821If 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
822called. 1103called.
823 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
824=cut 1116=cut
825 1117
826sub register_extcmd { 1118sub register_extcmd {
827 my ($name, $cb) = @_; 1119 my ($name, $cb) = @_;
828 1120
829 $EXTCMD{$name} = $cb; 1121 $EXTCMD{$name} = $cb;
1122}
1123
1124sub register_exticmd {
1125 my ($name, $cb) = @_;
1126
1127 $EXTICMD{$name} = $cb;
830} 1128}
831 1129
832cf::player->attach ( 1130cf::player->attach (
833 on_command => sub { 1131 on_command => sub {
834 my ($pl, $name, $params) = @_; 1132 my ($pl, $name, $params) = @_;
843 cf::override; 1141 cf::override;
844 }, 1142 },
845 on_extcmd => sub { 1143 on_extcmd => sub {
846 my ($pl, $buf) = @_; 1144 my ($pl, $buf) = @_;
847 1145
848 my $msg = eval { from_json $buf }; 1146 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849 1147
850 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
851 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1154 if (my $cb = $EXTCMD{$type}) {
852 if (my %reply = $cb->($pl, $msg)) { 1155 my @reply = $cb->($pl, @payload);
1156
853 $pl->ext_reply ($msg->{msgid}, %reply); 1157 $pl->ext_reply ($reply, @reply)
854 } 1158 if $reply;
855 } 1159 }
856 } else { 1160 } else {
857 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1161 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858 } 1162 }
859 1163
860 cf::override; 1164 cf::override;
861 }, 1165 },
862); 1166);
863 1167
864sub load_extension {
865 my ($path) = @_;
866
867 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
868 my $base = $1;
869 my $pkg = $1;
870 $pkg =~ s/[^[:word:]]/_/g;
871 $pkg = "ext::$pkg";
872
873 warn "... loading '$path' into '$pkg'\n";
874
875 open my $fh, "<:utf8", $path
876 or die "$path: $!";
877
878 my $source =
879 "package $pkg; use strict; use utf8;\n"
880 . "#line 1 \"$path\"\n{\n"
881 . (do { local $/; <$fh> })
882 . "\n};\n1";
883
884 unless (eval $source) {
885 my $msg = $@ ? "$path: $@\n"
886 : "extension disabled.\n";
887 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888 warn $@;
889 warn "mandatory extension failed to load, exiting.\n";
890 exit 1;
891 }
892 die $@;
893 }
894
895 push @EXTS, $pkg;
896}
897
898sub load_extensions { 1168sub load_extensions {
1169 cf::sync_job {
1170 my %todo;
1171
899 for my $ext (<$LIBDIR/*.ext>) { 1172 for my $path (<$LIBDIR/*.ext>) {
900 next unless -r $ext; 1173 next unless -r $path;
901 eval { 1174
902 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;
903 1 1232 }
904 } or warn "$ext not loaded: $@"; 1233
1234 skip:
1235 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1236 unless $progress;
1237 }
905 } 1238 };
906} 1239}
907 1240
908############################################################################# 1241#############################################################################
909 1242
1243=back
1244
910=head2 CORE EXTENSIONS 1245=head2 CORE EXTENSIONS
911 1246
912Functions and methods that extend core crossfire objects. 1247Functions and methods that extend core crossfire objects.
913 1248
914=cut 1249=cut
926Returns the given player object, loading it if necessary (might block). 1261Returns the given player object, loading it if necessary (might block).
927 1262
928=cut 1263=cut
929 1264
930sub playerdir($) { 1265sub playerdir($) {
931 cf::localdir 1266 "$PLAYERDIR/"
932 . "/"
933 . cf::playerdir
934 . "/"
935 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1267 . (ref $_[0] ? $_[0]->ob->name : $_[0])
936} 1268}
937 1269
938sub path($) { 1270sub path($) {
939 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1271 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940 1272
941 (playerdir $login) . "/$login.pl" 1273 (playerdir $login) . "/playerdata"
942} 1274}
943 1275
944sub find_active($) { 1276sub find_active($) {
945 $cf::PLAYER{$_[0]} 1277 $cf::PLAYER{$_[0]}
946 and $cf::PLAYER{$_[0]}->active 1278 and $cf::PLAYER{$_[0]}->active
949 1281
950sub exists($) { 1282sub exists($) {
951 my ($login) = @_; 1283 my ($login) = @_;
952 1284
953 $cf::PLAYER{$login} 1285 $cf::PLAYER{$login}
954 or cf::sync_job { !aio_stat $login } 1286 or cf::sync_job { !aio_stat path $login }
955} 1287}
956 1288
957sub find($) { 1289sub find($) {
958 return $cf::PLAYER{$_[0]} || do { 1290 return $cf::PLAYER{$_[0]} || do {
959 my $login = $_[0]; 1291 my $login = $_[0];
960 1292
961 my $guard = cf::lock_acquire "user_find:$login"; 1293 my $guard = cf::lock_acquire "user_find:$login";
962 1294
963 $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
964 my $pl = load_pl path $login 1303 my $pl = load_pl path $login
965 or return; 1304 or return;
966 $cf::PLAYER{$login} = $pl 1305 $cf::PLAYER{$login} = $pl
967 } 1306 }
968 } 1307 }
996 $cf::PLAYER{$login} = $self; 1335 $cf::PLAYER{$login} = $self;
997 1336
998 $self 1337 $self
999} 1338}
1000 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
1001=item $pl->quit_character 1350=item $pl->quit_character
1002 1351
1003Nukes the player without looking back. If logged in, the connection will 1352Nukes the player without looking back. If logged in, the connection will
1004be destroyed. May block for a long time. 1353be destroyed. May block for a long time.
1005 1354
1006=cut 1355=cut
1007 1356
1008sub quit_character { 1357sub quit_character {
1009 my ($pl) = @_; 1358 my ($pl) = @_;
1359
1360 my $name = $pl->ob->name;
1010 1361
1011 $pl->{deny_save} = 1; 1362 $pl->{deny_save} = 1;
1012 $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
1013 1364
1014 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1365 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1019 my $path = playerdir $pl; 1370 my $path = playerdir $pl;
1020 my $temp = "$path~$cf::RUNTIME~deleting~"; 1371 my $temp = "$path~$cf::RUNTIME~deleting~";
1021 aio_rename $path, $temp; 1372 aio_rename $path, $temp;
1022 delete $cf::PLAYER{$pl->ob->name}; 1373 delete $cf::PLAYER{$pl->ob->name};
1023 $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
1024 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;
1025} 1396}
1026 1397
1027=item cf::player::list_logins 1398=item cf::player::list_logins
1028 1399
1029Returns 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
1030while and may block, so not sync_job-capable, ever. 1401while and may block, so not sync_job-capable, ever.
1031 1402
1032=cut 1403=cut
1033 1404
1034sub list_logins { 1405sub list_logins {
1035 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1406 my $dirs = aio_readdir $PLAYERDIR
1036 or return []; 1407 or return [];
1037 1408
1038 my @logins; 1409 my @logins;
1039 1410
1040 for my $login (@$dirs) { 1411 for my $login (@$dirs) {
1057=cut 1428=cut
1058 1429
1059sub maps($) { 1430sub maps($) {
1060 my ($pl) = @_; 1431 my ($pl) = @_;
1061 1432
1433 $pl = ref $pl ? $pl->ob->name : $pl;
1434
1062 my $files = aio_readdir playerdir $pl 1435 my $files = aio_readdir playerdir $pl
1063 or return; 1436 or return;
1064 1437
1065 my @paths; 1438 my @paths;
1066 1439
1067 for (@$files) { 1440 for (@$files) {
1068 utf8::decode $_; 1441 utf8::decode $_;
1069 next if /\.(?:pl|pst)$/; 1442 next if /\.(?:pl|pst)$/;
1070 next unless /^$PATH_SEP/o; 1443 next unless /^$PATH_SEP/o;
1071 1444
1072 s/\.map$//; 1445 push @paths, cf::map::normalise "~$pl/$_";
1073 push @paths, "~" . $pl->ob->name . "/" . $_;
1074 } 1446 }
1075 1447
1076 \@paths 1448 \@paths
1077} 1449}
1078 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
1079=item $player->ext_reply ($msgid, $msgtype, %msg) 1501=item $player->ext_reply ($msgid, @msg)
1080 1502
1081Sends an ext reply to the player. 1503Sends an ext reply to the player.
1082 1504
1083=cut 1505=cut
1084 1506
1085sub ext_reply($$$%) { 1507sub ext_reply($$@) {
1086 my ($self, $id, %msg) = @_; 1508 my ($self, $id, @msg) = @_;
1087 1509
1088 $msg{msgid} = $id; 1510 if ($self->ns->extcmd == 2) {
1089 1511 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1090 $self->send ("ext " . cf::to_json \%msg); 1512 } elsif ($self->ns->extcmd == 1) {
1513 #TODO: version 1, remove
1514 unshift @msg, msgtype => "reply", msgid => $id;
1515 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516 }
1091} 1517}
1092 1518
1093package cf; 1519=item $player->ext_msg ($type, @msg)
1520
1521Sends an ext event to the client.
1522
1523=cut
1524
1525sub ext_msg($$@) {
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}
1094 1559
1095=back 1560=back
1096
1097 1561
1098=head3 cf::map 1562=head3 cf::map
1099 1563
1100=over 4 1564=over 4
1101 1565
1105 1569
1106use Fcntl; 1570use Fcntl;
1107use Coro::AIO; 1571use Coro::AIO;
1108 1572
1109use overload 1573use overload
1110 '""' => \&as_string; 1574 '""' => \&as_string,
1575 fallback => 1;
1111 1576
1112our $MAX_RESET = 3600; 1577our $MAX_RESET = 3600;
1113our $DEFAULT_RESET = 3000; 1578our $DEFAULT_RESET = 3000;
1114 1579
1115sub generate_random_map { 1580sub generate_random_map {
1116 my ($self, $rmp) = @_; 1581 my ($self, $rmp) = @_;
1117
1118 # mit "rum" bekleckern, nicht 1582 # mit "rum" bekleckern, nicht
1119 $self->_create_random_map ( 1583 $self->_create_random_map (
1120 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1584 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1585 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1586 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1129 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1593 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130 (cf::region::find $rmp->{region}), $rmp->{custom} 1594 (cf::region::find $rmp->{region}), $rmp->{custom}
1131 ) 1595 )
1132} 1596}
1133 1597
1598=item cf::map->register ($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
1134sub register { 1606sub register {
1135 my (undef, $regex) = @_; 1607 my (undef, $regex, $prio) = @_;
1136 my $pkg = caller; 1608 my $pkg = caller;
1137 1609
1138 no strict; 1610 no strict;
1139 push @{"$pkg\::ISA"}, __PACKAGE__; 1611 push @{"$pkg\::ISA"}, __PACKAGE__;
1140 1612
1141 $EXT_MAP{$pkg} = qr<$regex>; 1613 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142} 1614}
1143 1615
1144# also paths starting with '/' 1616# also paths starting with '/'
1145$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1617$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}
1146 1628
1147sub normalise { 1629sub normalise {
1148 my ($path, $base) = @_; 1630 my ($path, $base) = @_;
1631
1632 $path = "$path"; # make sure its a string
1633
1634 $path =~ s/\.map$//;
1149 1635
1150 # map plan: 1636 # map plan:
1151 # 1637 #
1152 # /! non-realised random map exit (special hack!) 1638 # /! non-realised random map exit (special hack!)
1153 # {... are special paths that are not being touched 1639 # {... are special paths that are not being touched
1181 1667
1182 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
1183 1669
1184 $path = normalise $path, $base; 1670 $path = normalise $path, $base;
1185 1671
1186 for my $pkg (keys %EXT_MAP) { 1672 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187 if ($path =~ $EXT_MAP{$pkg}) { 1673 if ($path =~ $EXT_MAP{$pkg}[1]) {
1188 my $self = bless cf::map::new, $pkg; 1674 my $self = bless cf::map::new, $pkg;
1189 $self->{path} = $path; $self->path ($path); 1675 $self->{path} = $path; $self->path ($path);
1190 $self->init; # pass $1 etc. 1676 $self->init; # pass $1 etc.
1191 return $self; 1677 return $self;
1192 } 1678 }
1193 } 1679 }
1194 1680
1195 Carp::carp "unable to resolve path '$path'."; 1681 Carp::cluck "unable to resolve path '$path' (base '$base').";
1196 () 1682 ()
1197} 1683}
1198 1684
1199sub init { 1685sub init {
1200 my ($self) = @_; 1686 my ($self) = @_;
1215 1701
1216# the original (read-only) location 1702# the original (read-only) location
1217sub load_path { 1703sub load_path {
1218 my ($self) = @_; 1704 my ($self) = @_;
1219 1705
1220 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1706 "$MAPDIR/$self->{path}.map"
1221} 1707}
1222 1708
1223# the temporary/swap location 1709# the temporary/swap location
1224sub save_path { 1710sub save_path {
1225 my ($self) = @_; 1711 my ($self) = @_;
1226 1712
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1714 "$TMPDIR/$path.map"
1229} 1715}
1230 1716
1231# the unique path, undef == no special unique path 1717# the unique path, undef == no special unique path
1232sub uniq_path { 1718sub uniq_path {
1233 my ($self) = @_; 1719 my ($self) = @_;
1234 1720
1235 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1722 "$UNIQUEDIR/$path"
1237} 1723}
1238 1724
1239# and all this just because we cannot iterate over 1725# and all this just because we cannot iterate over
1240# all maps in C++... 1726# all maps in C++...
1241sub change_all_map_light { 1727sub change_all_map_light {
1243 1729
1244 $_->change_map_light ($change) 1730 $_->change_map_light ($change)
1245 for grep $_->outdoor, values %cf::MAP; 1731 for grep $_->outdoor, values %cf::MAP;
1246} 1732}
1247 1733
1734sub decay_objects {
1735 my ($self) = @_;
1736
1737 return if $self->{deny_reset};
1738
1739 $self->do_decay_objects;
1740}
1741
1248sub unlink_save { 1742sub unlink_save {
1249 my ($self) = @_; 1743 my ($self) = @_;
1250 1744
1251 utf8::encode (my $save = $self->save_path); 1745 utf8::encode (my $save = $self->save_path);
1252 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1746 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1747 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254} 1748}
1255 1749
1256sub load_header_from($) { 1750sub load_header_from($) {
1257 my ($self, $path) = @_; 1751 my ($self, $path) = @_;
1258 1752
1259 utf8::encode $path; 1753 utf8::encode $path;
1260 aio_open $path, O_RDONLY, 0 1754 #aio_open $path, O_RDONLY, 0
1261 or return; 1755 # or return;
1262 1756
1263 $self->_load_header ($path) 1757 $self->_load_header ($path)
1264 or return; 1758 or return;
1265 1759
1266 $self->{load_path} = $path; 1760 $self->{load_path} = $path;
1267 1761
1268 1 1762 1
1269} 1763}
1270 1764
1271sub load_orig { 1765sub load_header_orig {
1272 my ($self) = @_; 1766 my ($self) = @_;
1273 1767
1274 $self->load_header_from ($self->load_path) 1768 $self->load_header_from ($self->load_path)
1275} 1769}
1276 1770
1277sub load_temp { 1771sub load_header_temp {
1278 my ($self) = @_; 1772 my ($self) = @_;
1279 1773
1280 $self->load_header_from ($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 $self->instantiate;
1281} 1794}
1282 1795
1283sub load_header { 1796sub load_header {
1284 my ($self) = @_; 1797 my ($self) = @_;
1285 1798
1286 if ($self->load_temp) { 1799 if ($self->load_header_temp) {
1287 $self->last_access ((delete $self->{last_access}) 1800 $self->prepare_temp;
1288 || $cf::RUNTIME); #d#
1289 # safety
1290 $self->{instantiate_time} = $cf::RUNTIME
1291 if $self->{instantiate_time} > $cf::RUNTIME;
1292 } else { 1801 } else {
1293 $self->load_orig 1802 $self->load_header_orig
1294 or return; 1803 or return;
1295 1804 $self->prepare_orig;
1296 $self->{load_original} = 1;
1297 $self->{instantiate_time} = $cf::RUNTIME;
1298 $self->last_access ($cf::RUNTIME);
1299 $self->instantiate;
1300 } 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;
1301 1812
1302 1 1813 1
1303} 1814}
1304 1815
1305sub find; 1816sub find;
1318 $map->{last_save} = $cf::RUNTIME; 1829 $map->{last_save} = $cf::RUNTIME;
1319 1830
1320 $map->load_header 1831 $map->load_header
1321 or return; 1832 or return;
1322 1833
1323 if ($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;
1324 $map->reset; 1837 $map->reset;
1325 undef $guard; 1838 undef $guard;
1326 $map = find $path 1839 return find $path;
1327 or return;
1328 } 1840 }
1329 1841
1330 $cf::MAP{$path} = $map 1842 $cf::MAP{$path} = $map
1331 } 1843 }
1332} 1844}
1845
1846sub pre_load { }
1847sub post_load { }
1333 1848
1334sub load { 1849sub load {
1335 my ($self) = @_; 1850 my ($self) = @_;
1336 1851
1852 local $self->{deny_reset} = 1; # loading can take a long time
1853
1337 my $path = $self->{path}; 1854 my $path = $self->{path};
1855
1856 {
1338 my $guard = cf::lock_acquire "map_load:$path"; 1857 my $guard = cf::lock_acquire "map_load:$path";
1339 1858
1340 return if $self->in_memory != cf::MAP_SWAPPED; 1859 return if $self->in_memory != cf::MAP_SWAPPED;
1341 1860
1342 $self->in_memory (cf::MAP_LOADING); 1861 $self->in_memory (cf::MAP_LOADING);
1343 1862
1344 $self->alloc; 1863 $self->alloc;
1345 $self->_load_objects ($self->{load_path}, 1)
1346 or return;
1347 1864
1348 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1865 $self->pre_load;
1349 if delete $self->{load_original};
1350
1351 if (my $uniq = $self->uniq_path) {
1352 utf8::encode $uniq;
1353 if (aio_open $uniq, O_RDONLY, 0) {
1354 $self->clear_unique_items;
1355 $self->_load_objects ($uniq, 0);
1356 }
1357 }
1358
1359 Coro::cede;
1360
1361 # now do the right thing for maps
1362 $self->link_multipart_objects;
1363
1364 unless ($self->{deny_activate}) {
1365 $self->decay_objects;
1366 $self->fix_auto_apply;
1367 $self->update_buttons;
1368 Coro::cede; 1866 Coro::cede;
1369 $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;
1370 $self->difficulty ($self->estimate_difficulty) 1885 $self->difficulty ($self->estimate_difficulty)
1371 unless $self->difficulty; 1886 unless $self->difficulty;
1372 Coro::cede; 1887 Coro::cede;
1888
1889 unless ($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;
1373 $self->activate; 1896 $self->activate;
1374 } 1897 }
1375 1898
1899 $self->{last_save} = $cf::RUNTIME;
1900 $self->last_access ($cf::RUNTIME);
1901
1376 $self->in_memory (cf::MAP_IN_MEMORY); 1902 $self->in_memory (cf::MAP_IN_MEMORY);
1903 }
1904
1905 $self->post_load;
1377} 1906}
1378 1907
1379sub customise_for { 1908sub customise_for {
1380 my ($self, $ob) = @_; 1909 my ($self, $ob) = @_;
1381 1910
1382 return find "~" . $ob->name . "/" . $self->{path} 1911 return find "~" . $ob->name . "/" . $self->{path}
1383 if $self->per_player; 1912 if $self->per_player;
1913
1914# return find "?party/" . $ob->name . "/" . $self->{path}
1915# if $self->per_party;
1384 1916
1385 $self 1917 $self
1386} 1918}
1387 1919
1388# 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
1420 1952
1421 cf::sync_job { $map->load }; 1953 cf::sync_job { $map->load };
1422} 1954}
1423 1955
1424our %MAP_PREFETCH; 1956our %MAP_PREFETCH;
1425our $MAP_PREFETCHER = Coro::async { 1957our $MAP_PREFETCHER = undef;
1426 while () {
1427 for my $path (keys %MAP_PREFETCH) {
1428 my $map = find $path
1429 or next;
1430 $map->load;
1431
1432 delete $MAP_PREFETCH{$path};
1433 }
1434 Coro::schedule;
1435 }
1436};
1437 1958
1438sub find_async { 1959sub find_async {
1439 my ($path, $origin) = @_; 1960 my ($path, $origin) = @_;
1440 1961
1441 $path = normalise $path, $origin && $origin->{path}; 1962 $path = normalise $path, $origin && $origin->{path};
1442 1963
1443 if (my $map = $cf::MAP{$path}) { 1964 if (my $map = $cf::MAP{$path}) {
1444 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1965 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445 } 1966 }
1446 1967
1447 $MAP_PREFETCH{$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 };
1448 $MAP_PREFETCHER->ready; 1981 $MAP_PREFETCHER->prio (6);
1449 1982
1450 () 1983 ()
1451} 1984}
1452 1985
1453sub save { 1986sub save {
1498 2031
1499sub reset_at { 2032sub reset_at {
1500 my ($self) = @_; 2033 my ($self) = @_;
1501 2034
1502 # TODO: safety, remove and allow resettable per-player maps 2035 # TODO: safety, remove and allow resettable per-player maps
1503 return 1e99 if $self->isa ("ext::map_per_player");
1504 return 1e99 if $self->{deny_reset}; 2036 return 1e99 if $self->{deny_reset};
1505 2037
1506 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2038 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2039 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508 2040
1513 my ($self) = @_; 2045 my ($self) = @_;
1514 2046
1515 $self->reset_at <= $cf::RUNTIME 2047 $self->reset_at <= $cf::RUNTIME
1516} 2048}
1517 2049
1518sub rename {
1519 my ($self, $new_path) = @_;
1520
1521 normalise $new_path;
1522
1523 $self->unlink_save;
1524
1525 delete $cf::MAP{$self->path};
1526 $self->{path} = $new_path; $self->path ($self->{path});
1527 $cf::MAP{$self->path} = $self;
1528
1529 $self->save;
1530}
1531
1532sub reset { 2050sub reset {
1533 my ($self) = @_; 2051 my ($self) = @_;
1534 2052
1535 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2053 my $lock = cf::lock_acquire "map_data:$self->{path}";
1536 2054
1537 return if $self->players; 2055 return if $self->players;
1538 return if $self->isa ("ext::map_per_player");#d#
1539 2056
1540 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 }
1541 2068
1542 delete $cf::MAP{$self->path}; 2069 delete $cf::MAP{$self->path};
1543 2070
1544 $self->in_memory (cf::MAP_SWAPPED);
1545 $self->clear; 2071 $self->clear;
1546 2072
1547 $_->clear_links_to ($self) for values %cf::MAP; 2073 $_->clear_links_to ($self) for values %cf::MAP;
1548 2074
1549 $self->unlink_save; 2075 $self->unlink_save;
1553my $nuke_counter = "aaaa"; 2079my $nuke_counter = "aaaa";
1554 2080
1555sub nuke { 2081sub nuke {
1556 my ($self) = @_; 2082 my ($self) = @_;
1557 2083
2084 delete $cf::MAP{$self->path};
2085
2086 $self->unlink_save;
2087
2088 bless $self, "cf::map";
2089 delete $self->{deny_reset};
1558 $self->{deny_save} = 1; 2090 $self->{deny_save} = 1;
1559 $self->reset_timeout (1); 2091 $self->reset_timeout (1);
1560 $self->rename ("{nuke}/" . ($nuke_counter++)); 2092 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093
2094 $cf::MAP{$self->path} = $self;
2095
1561 $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 ]
1562} 2133}
1563 2134
1564=item cf::map::unique_maps 2135=item cf::map::unique_maps
1565 2136
1566Returns an arrayref of paths of all shared maps that have 2137Returns an arrayref of paths of all shared maps that have
1567instantiated unique items. May block. 2138instantiated unique items. May block.
1568 2139
1569=cut 2140=cut
1570 2141
1571sub unique_maps() { 2142sub unique_maps() {
1572 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2143 [
1573 or return; 2144 map {
1574
1575 my @paths;
1576
1577 for (@$files) {
1578 utf8::decode $_; 2145 utf8::decode $_;
1579 next if /\.pst$/;
1580 next unless /^$PATH_SEP/o;
1581
1582 s/\.map$//; 2146 /\.map$/
1583 push @paths, $_; 2147 ? normalise $_
2148 : ()
2149 } @{ aio_readdir $UNIQUEDIR or [] }
1584 } 2150 ]
1585
1586 \@paths
1587} 2151}
1588 2152
1589package cf; 2153package cf;
1590 2154
1591=back 2155=back
1637 2201
1638 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2202 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639 2203
1640 if ($self->{record_replies}) { 2204 if ($self->{record_replies}) {
1641 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2205 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2206
1642 } 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 {
1643 $msg = $npc->name . " says: $msg" if $npc; 2215 $msg = $npc->name . " says: $msg" if $npc;
1644 $self->message ($msg, $flags); 2216 $self->message ($msg, $flags);
2217 }
1645 } 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 (@_);
1646} 2229}
1647 2230
1648=item $player_object->may ("access") 2231=item $player_object->may ("access")
1649 2232
1650Returns wether the given player is authorized to access resource "access" 2233Returns wether the given player is authorized to access resource "access"
1682=cut 2265=cut
1683 2266
1684sub link_map { 2267sub link_map {
1685 unless ($LINK_MAP) { 2268 unless ($LINK_MAP) {
1686 $LINK_MAP = cf::map::find "{link}" 2269 $LINK_MAP = cf::map::find "{link}"
1687 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2270 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688 $LINK_MAP->load; 2271 $LINK_MAP->load;
1689 } 2272 }
1690 2273
1691 $LINK_MAP 2274 $LINK_MAP
1692} 2275}
1697 $self->deactivate_recursive; 2280 $self->deactivate_recursive;
1698 2281
1699 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2282 return if UNIVERSAL::isa $self->map, "ext::map_link";
1700 2283
1701 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2284 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702 if $self->map; 2285 if $self->map && $self->map->{path} ne "{link}";
1703 2286
1704 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2287 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1705} 2288}
1706 2289
1707sub cf::object::player::leave_link { 2290sub cf::object::player::leave_link {
1708 my ($self, $map, $x, $y) = @_; 2291 my ($self, $map, $x, $y) = @_;
2292
2293 return unless $self->contr->active;
1709 2294
1710 my $link_pos = delete $self->{_link_pos}; 2295 my $link_pos = delete $self->{_link_pos};
1711 2296
1712 unless ($map) { 2297 unless ($map) {
1713 # restore original map position 2298 # restore original map position
1731 $map->load; 2316 $map->load;
1732 $map->load_diag; 2317 $map->load_diag;
1733 2318
1734 return unless $self->contr->active; 2319 return unless $self->contr->active;
1735 $self->activate_recursive; 2320 $self->activate_recursive;
2321
2322 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736 $self->enter_map ($map, $x, $y); 2323 $self->enter_map ($map, $x, $y);
1737} 2324}
1738 2325
1739cf::player->attach ( 2326=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740 on_logout => sub {
1741 my ($pl) = @_;
1742 2327
1743 # abort map switching before logout 2328Moves the player to the given map-path and coordinates by first freezing
1744 if ($pl->ob->{_link_pos}) { 2329her, loading and preparing them map, calling the provided $check callback
1745 cf::sync_job { 2330that has to return the map if sucecssful, and then unfreezes the player on
1746 $pl->ob->leave_link 2331the new (success) or old (failed) map position. In either case, $done will
1747 }; 2332be called at the end of this process.
1748 }
1749 },
1750 on_login => sub {
1751 my ($pl) = @_;
1752 2333
1753 # try to abort aborted map switching on player login :)
1754 # should happen only on crashes
1755 if ($pl->ob->{_link_pos}) {
1756 $pl->ob->enter_link;
1757 (async {
1758 # we need this sleep as the login has a concurrent enter_exit running
1759 # and this sleep increases chances of the player not ending up in scorn
1760 $pl->ob->reply (undef,
1761 "There was an internal problem at your last logout, "
1762 . "the server will try to bring you to your intended destination in a second.",
1763 cf::NDI_RED);
1764 Coro::Timer::sleep 1;
1765 $pl->ob->leave_link;
1766 })->prio (2);
1767 }
1768 },
1769);
1770
1771=item $player_object->goto ($path, $x, $y)
1772
1773=cut 2334=cut
2335
2336our $GOTOGEN;
1774 2337
1775sub cf::object::player::goto { 2338sub cf::object::player::goto {
1776 my ($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;
1777 2343
1778 $self->enter_link; 2344 $self->enter_link;
1779 2345
1780 (async { 2346 (async {
2347 my $map = eval {
1781 my $map = cf::map::find $path; 2348 my $map = cf::map::find $path;
2349
2350 if ($map) {
1782 $map = $map->customise_for ($self) if $map; 2351 $map = $map->customise_for ($self);
1783 2352 $map = $check->($map) if $check && $map;
1784# warn "entering ", $map->path, " at ($x, $y)\n" 2353 } else {
1785# if $map;
1786
1787 $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 }
1788 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};
1789 $self->leave_link ($map, $x, $y); 2367 $self->leave_link ($map, $x, $y);
2368 }
2369
2370 $done->() if $done;
1790 })->prio (1); 2371 })->prio (1);
1791} 2372}
1792 2373
1793=item $player_object->enter_exit ($exit_object) 2374=item $player_object->enter_exit ($exit_object)
1794 2375
1796 2377
1797sub parse_random_map_params { 2378sub parse_random_map_params {
1798 my ($spec) = @_; 2379 my ($spec) = @_;
1799 2380
1800 my $rmp = { # defaults 2381 my $rmp = { # defaults
1801 xsize => 10, 2382 xsize => (cf::rndm 15, 40),
1802 ysize => 10, 2383 ysize => (cf::rndm 15, 40),
2384 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2385 #layout => string,
1803 }; 2386 };
1804 2387
1805 for (split /\n/, $spec) { 2388 for (split /\n/, $spec) {
1806 my ($k, $v) = split /\s+/, $_, 2; 2389 my ($k, $v) = split /\s+/, $_, 2;
1807 2390
1811 $rmp 2394 $rmp
1812} 2395}
1813 2396
1814sub prepare_random_map { 2397sub prepare_random_map {
1815 my ($exit) = @_; 2398 my ($exit) = @_;
2399
2400 my $guard = cf::lock_acquire "exit_prepare:$exit";
1816 2401
1817 # all this does is basically replace the /! path by 2402 # all this does is basically replace the /! path by
1818 # a new random map path (?random/...) with a seed 2403 # a new random map path (?random/...) with a seed
1819 # that depends on the exit object 2404 # that depends on the exit object
1820 2405
1821 my $rmp = parse_random_map_params $exit->msg; 2406 my $rmp = parse_random_map_params $exit->msg;
1822 2407
1823 if ($exit->map) { 2408 if ($exit->map) {
1824 $rmp->{region} = $exit->map->region_name; 2409 $rmp->{region} = $exit->region->name;
1825 $rmp->{origin_map} = $exit->map->path; 2410 $rmp->{origin_map} = $exit->map->path;
1826 $rmp->{origin_x} = $exit->x; 2411 $rmp->{origin_x} = $exit->x;
1827 $rmp->{origin_y} = $exit->y; 2412 $rmp->{origin_y} = $exit->y;
1828 } 2413 }
1829 2414
1830 $rmp->{random_seed} ||= $exit->random_seed; 2415 $rmp->{random_seed} ||= $exit->random_seed;
1831 2416
1832 my $data = cf::to_json $rmp; 2417 my $data = cf::to_json $rmp;
1833 my $md5 = Digest::MD5::md5_hex $data; 2418 my $md5 = Digest::MD5::md5_hex $data;
2419 my $meta = "$RANDOMDIR/$md5.meta";
1834 2420
1835 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) {
1836 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;
1837 2425
1838 $exit->slaying ("?random/$md5"); 2426 $exit->slaying ("?random/$md5");
1839 $exit->msg (undef); 2427 $exit->msg (undef);
1840 } 2428 }
1841} 2429}
1843sub cf::object::player::enter_exit { 2431sub cf::object::player::enter_exit {
1844 my ($self, $exit) = @_; 2432 my ($self, $exit) = @_;
1845 2433
1846 return unless $self->type == cf::PLAYER; 2434 return unless $self->type == cf::PLAYER;
1847 2435
2436 if ($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
1848 $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);
1849 2452
1850 (async { 2453 (async {
1851 $self->deactivate_recursive; # just to be sure 2454 $self->deactivate_recursive; # just to be sure
1852 unless (eval { 2455 unless (eval {
1853 prepare_random_map $exit 2456 $self->goto ($slaying, $hp, $sp);
1854 if $exit->slaying eq "/!";
1855
1856 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858 2457
1859 1; 2458 1;
1860 }) { 2459 }) {
1861 $self->message ("Something went wrong deep within the crossfire server. " 2460 $self->message ("Something went wrong deep within the crossfire server. "
1862 . "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. "
1863 . "Please report this to the dungeon master!", 2462 . "Please report this to the dungeon master!",
1864 cf::NDI_UNIQUE | cf::NDI_RED); 2463 cf::NDI_UNIQUE | cf::NDI_RED);
1865 2464
1866 warn "ERROR in enter_exit: $@"; 2465 warn "ERROR in enter_exit: $@";
1867 $self->leave_link; 2466 $self->leave_link;
1868 } 2467 }
1869 })->prio (1); 2468 })->prio (1);
1882 2481
1883sub cf::client::send_drawinfo { 2482sub cf::client::send_drawinfo {
1884 my ($self, $text, $flags) = @_; 2483 my ($self, $text, $flags) = @_;
1885 2484
1886 utf8::encode $text; 2485 utf8::encode $text;
1887 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2486 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888} 2487}
1889 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}
1890 2569
1891=item $success = $client->query ($flags, "text", \&cb) 2570=item $success = $client->query ($flags, "text", \&cb)
1892 2571
1893Queues a query to the client, calling the given callback with 2572Queues a query to the client, calling the given callback with
1894the 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>,
1895C<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>.
1896 2575
1897Queries 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
1898reliable at some point in the future. 2577become reliable at some point in the future.
1899 2578
1900=cut 2579=cut
1901 2580
1902sub cf::client::query { 2581sub cf::client::query {
1903 my ($self, $flags, $text, $cb) = @_; 2582 my ($self, $flags, $text, $cb) = @_;
1911 utf8::encode $text; 2590 utf8::encode $text;
1912 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2591 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913 2592
1914 $self->send_packet ($self->{query_queue}[0][0]) 2593 $self->send_packet ($self->{query_queue}[0][0])
1915 if @{ $self->{query_queue} } == 1; 2594 if @{ $self->{query_queue} } == 1;
2595
2596 1
1916} 2597}
1917 2598
1918cf::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 },
1919 on_reply => sub { 2605 on_reply => sub {
1920 my ($ns, $msg) = @_; 2606 my ($ns, $msg) = @_;
1921 2607
1922 # this weird shuffling is so that direct followup queries 2608 # this weird shuffling is so that direct followup queries
1923 # get handled first 2609 # get handled first
1924 my $queue = delete $ns->{query_queue} 2610 my $queue = delete $ns->{query_queue}
1925 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
1926 2612
1927 (shift @$queue)->[1]->($msg); 2613 (shift @$queue)->[1]->($msg);
2614 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928 2615
1929 push @{ $ns->{query_queue} }, @$queue; 2616 push @{ $ns->{query_queue} }, @$queue;
1930 2617
1931 if (@{ $ns->{query_queue} } == @$queue) { 2618 if (@{ $ns->{query_queue} } == @$queue) {
1932 if (@$queue) { 2619 if (@$queue) {
1934 } else { 2621 } else {
1935 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2622 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936 } 2623 }
1937 } 2624 }
1938 }, 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 },
1939); 2649);
1940 2650
1941=item $client->async (\&cb) 2651=item $client->async (\&cb)
1942 2652
1943Create a new coroutine, running the specified callback. The coroutine will 2653Create a new coroutine, running the specified callback. The coroutine will
1984our $safe = new Safe "safe"; 2694our $safe = new Safe "safe";
1985our $safe_hole = new Safe::Hole; 2695our $safe_hole = new Safe::Hole;
1986 2696
1987$SIG{FPE} = 'IGNORE'; 2697$SIG{FPE} = 'IGNORE';
1988 2698
1989$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));
1990 2704
1991# here we export the classes and methods available to script code 2705# here we export the classes and methods available to script code
1992 2706
1993=pod 2707=pod
1994 2708
1995The following fucntions and emthods are available within a safe environment: 2709The following functions and methods are available within a safe environment:
1996 2710
1997 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
1998 cf::object::player player 2715 cf::object::player
1999 cf::player peaceful 2716 player
2000 cf::map trigger 2717
2718 cf::player
2719 peaceful
2720
2721 cf::map
2722 trigger
2001 2723
2002=cut 2724=cut
2003 2725
2004for ( 2726for (
2005 ["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)],
2006 ["cf::object::player" => qw(player)], 2729 ["cf::object::player" => qw(player)],
2007 ["cf::player" => qw(peaceful)], 2730 ["cf::player" => qw(peaceful)],
2008 ["cf::map" => qw(trigger)], 2731 ["cf::map" => qw(trigger)],
2009) { 2732) {
2010 no strict 'refs'; 2733 no strict 'refs';
2081=back 2804=back
2082 2805
2083=cut 2806=cut
2084 2807
2085############################################################################# 2808#############################################################################
2809# the server's init and main functions
2086 2810
2087=head2 EXTENSION DATABASE SUPPORT 2811sub load_facedata($) {
2812 my ($path) = @_;
2088 2813
2089Crossfire maintains a very simple database for extension use. It can 2814 warn "loading facedata from $path\n";
2090currently store anything that can be serialised using Storable, which
2091excludes objects.
2092 2815
2093The parameter C<$family> should best start with the name of the extension 2816 my $facedata;
2094using it, it should be unique. 2817 0 < aio_load $path, $facedata
2818 or die "$path: $!";
2095 2819
2096=over 4 2820 $facedata = Coro::Storable::thaw $facedata;
2097 2821
2098=item $hashref = cf::db_get $family 2822 $facedata->{version} == 2
2823 or cf::cleanup "$path: version mismatch, cannot proceed.";
2099 2824
2100Return a hashref for use by the extension C<$family>, which can be
2101modified. After modifications, you have to call C<cf::db_dirty> or
2102C<cf::db_sync>.
2103
2104=item $value = cf::db_get $family => $key
2105
2106Returns a single value from the database
2107
2108=item cf::db_put $family => $hashref
2109
2110Stores the given family hashref into the database. Updates are delayed, if
2111you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113=item cf::db_put $family => $key => $value
2114
2115Stores the given C<$value> in the family hash. Updates are delayed, if you
2116want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118=item cf::db_dirty
2119
2120Marks the database as dirty, to be updated at a later time.
2121
2122=item cf::db_sync
2123
2124Immediately write the database to disk I<if it is dirty>.
2125
2126=cut
2127
2128our $DB;
2129
2130{
2131 my $path = cf::localdir . "/database.pst";
2132
2133 sub db_load() {
2134 $DB = stat $path ? Storable::retrieve $path : { };
2135 } 2825 {
2826 my $faces = $facedata->{faceinfo};
2136 2827
2137 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};
2138 2834
2139 sub db_save() { 2835 cf::cede_to_tick;
2140 waitpid $pid, 0 if $pid;
2141 if (0 == ($pid = fork)) {
2142 $DB->{_meta}{version} = 1;
2143 Storable::nstore $DB, "$path~";
2144 rename "$path~", $path;
2145 cf::_exit 0 if defined $pid;
2146 }
2147 }
2148
2149 my $dirty;
2150
2151 sub db_sync() {
2152 db_save if $dirty;
2153 undef $dirty;
2154 }
2155
2156 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157 db_sync;
2158 });
2159
2160 sub db_dirty() {
2161 $dirty = 1;
2162 $idle->start;
2163 }
2164
2165 sub db_get($;$) {
2166 @_ >= 2
2167 ? $DB->{$_[0]}{$_[1]}
2168 : ($DB->{$_[0]} ||= { })
2169 }
2170
2171 sub db_put($$;$) {
2172 if (@_ >= 3) {
2173 $DB->{$_[0]}{$_[1]} = $_[2];
2174 } else {
2175 $DB->{$_[0]} = $_[1];
2176 }
2177 db_dirty;
2178 }
2179
2180 cf::global->attach (
2181 prio => 10000,
2182 on_cleanup => sub {
2183 db_sync;
2184 }, 2836 }
2185 );
2186}
2187 2837
2188############################################################################# 2838 while (my ($face, $info) = each %$faces) {
2189# 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}
2190 2971
2191sub cfg_load { 2972sub cfg_load {
2192 open my $fh, "<:utf8", cf::confdir . "/config" 2973 open my $fh, "<:utf8", "$CONFDIR/config"
2193 or return; 2974 or return;
2194 2975
2195 local $/; 2976 local $/;
2196 *CFG = YAML::Syck::Load <$fh>; 2977 *CFG = YAML::Syck::Load <$fh>;
2197 2978
2211 2992
2212sub main { 2993sub main {
2213 # we must not ever block the main coroutine 2994 # we must not ever block the main coroutine
2214 local $Coro::idle = sub { 2995 local $Coro::idle = sub {
2215 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 {
2216 async { Event::one_event }; 2998 Event::one_event;
2999 })->prio (Coro::PRIO_MAX);
2217 }; 3000 };
2218 3001
2219 cfg_load; 3002 cfg_load;
2220 db_load; 3003 db_init;
2221 load_extensions; 3004 load_extensions;
3005
3006 $TICK_WATCHER->start;
2222 Event::loop; 3007 Event::loop;
2223} 3008}
2224 3009
2225############################################################################# 3010#############################################################################
2226# initialisation and cleanup 3011# initialisation and cleanup
2227 3012
2228# install some emergency cleanup handlers 3013# install some emergency cleanup handlers
2229BEGIN { 3014BEGIN {
2230 for my $signal (qw(INT HUP TERM)) { 3015 for my $signal (qw(INT HUP TERM)) {
2231 Event->signal ( 3016 Event->signal (
3017 reentrant => 0,
2232 data => WF_AUTOCANCEL, 3018 data => WF_AUTOCANCEL,
2233 signal => $signal, 3019 signal => $signal,
3020 prio => 0,
2234 cb => sub { 3021 cb => sub {
2235 cf::cleanup "SIG$signal"; 3022 cf::cleanup "SIG$signal";
2236 }, 3023 },
2237 ); 3024 );
2238 } 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
2239} 3064}
2240 3065
2241sub emergency_save() { 3066sub emergency_save() {
2242 my $freeze_guard = cf::freeze_mainloop; 3067 my $freeze_guard = cf::freeze_mainloop;
2243 3068
2260 my $map = $cf::MAP{$path} or next; 3085 my $map = $cf::MAP{$path} or next;
2261 $map->valid or next; 3086 $map->valid or next;
2262 $map->save; 3087 $map->save;
2263 } 3088 }
2264 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 $DB_ENV;
3093 warn "end emergency database checkpoint\n";
2265 }; 3094 };
2266 3095
2267 warn "leave emergency perl save\n"; 3096 warn "leave emergency perl save\n";
2268} 3097}
2269 3098
3099sub post_cleanup {
3100 my ($make_core) = @_;
3101
3102 warn Carp::longmess "post_cleanup backtrace"
3103 if $make_core;
3104}
3105
2270sub reload() { 3106sub do_reload_perl() {
2271 # can/must only be called in main 3107 # can/must only be called in main
2272 if ($Coro::current != $Coro::main) { 3108 if ($Coro::current != $Coro::main) {
2273 warn "can only reload from main coroutine\n"; 3109 warn "can only reload from main coroutine";
2274 return; 3110 return;
2275 } 3111 }
2276 3112
2277 warn "reloading..."; 3113 warn "reloading...";
2278 3114
2279 warn "freezing server"; 3115 warn "entering sync_job";
2280 my $guard = freeze_mainloop; 3116
3117 cf::sync_job {
3118 cf::write_runtime; # external watchdog should not bark
2281 cf::emergency_save; 3119 cf::emergency_save;
3120 cf::write_runtime; # external watchdog should not bark
2282 3121
2283 warn "sync database to disk"; 3122 warn "syncing database to disk";
2284 cf::db_sync; 3123 BDB::db_env_txn_checkpoint $DB_ENV;
2285 IO::AIO::flush;
2286 3124
2287 eval {
2288 # 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
2289 3126
2290 warn "cancel all watchers"; 3127 warn "cancelling all WF_AUTOCANCEL watchers";
2291 for (Event::all_watchers) { 3128 for (Event::all_watchers) {
2292 $_->cancel if $_->data & WF_AUTOCANCEL; 3129 $_->cancel if $_->data & WF_AUTOCANCEL;
2293 } 3130 }
2294 3131
3132 warn "flushing outstanding aio requests";
3133 for (;;) {
3134 BDB::flush;
3135 IO::AIO::flush;
3136 Coro::cede;
3137 last unless IO::AIO::nreqs || BDB::nreqs;
3138 warn "iterate...";
3139 }
3140
3141 ++$RELOAD;
3142
2295 warn "cancel all extension coros"; 3143 warn "cancelling all extension coros";
2296 $_->cancel for values %EXT_CORO; 3144 $_->cancel for values %EXT_CORO;
2297 %EXT_CORO = (); 3145 %EXT_CORO = ();
2298 3146
2299 warn "remove commands"; 3147 warn "removing commands";
2300 %COMMAND = (); 3148 %COMMAND = ();
2301 3149
2302 warn "remove ext commands"; 3150 warn "removing ext/exti commands";
2303 %EXTCMD = (); 3151 %EXTCMD = ();
3152 %EXTICMD = ();
2304 3153
2305 warn "unload/nuke all extensions"; 3154 warn "unloading/nuking all extensions";
2306 for my $pkg (@EXTS) { 3155 for my $pkg (@EXTS) {
2307 warn "... unloading $pkg"; 3156 warn "... unloading $pkg";
2308 3157
2309 if (my $cb = $pkg->can ("unload")) { 3158 if (my $cb = $pkg->can ("unload")) {
2310 eval { 3159 eval {
2315 3164
2316 warn "... nuking $pkg"; 3165 warn "... nuking $pkg";
2317 Symbol::delete_package $pkg; 3166 Symbol::delete_package $pkg;
2318 } 3167 }
2319 3168
2320 warn "unload all perl modules loaded from $LIBDIR"; 3169 warn "unloading all perl modules loaded from $LIBDIR";
2321 while (my ($k, $v) = each %INC) { 3170 while (my ($k, $v) = each %INC) {
2322 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3171 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323 3172
2324 warn "removing <$k>"; 3173 warn "... unloading $k";
2325 delete $INC{$k}; 3174 delete $INC{$k};
2326 3175
2327 $k =~ s/\.pm$//; 3176 $k =~ s/\.pm$//;
2328 $k =~ s/\//::/g; 3177 $k =~ s/\//::/g;
2329 3178
2332 } 3181 }
2333 3182
2334 Symbol::delete_package $k; 3183 Symbol::delete_package $k;
2335 } 3184 }
2336 3185
2337 warn "get rid of safe::, as good as possible"; 3186 warn "getting rid of safe::, as good as possible";
2338 Symbol::delete_package "safe::$_" 3187 Symbol::delete_package "safe::$_"
2339 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);
2340 3189
2341 warn "unload cf.pm \"a bit\""; 3190 warn "unloading cf.pm \"a bit\"";
2342 delete $INC{"cf.pm"}; 3191 delete $INC{"cf.pm"};
3192 delete $INC{"cf/pod.pm"};
2343 3193
2344 # don't, removes xs symbols, too, 3194 # don't, removes xs symbols, too,
2345 # and global variables created in xs 3195 # and global variables created in xs
2346 #Symbol::delete_package __PACKAGE__; 3196 #Symbol::delete_package __PACKAGE__;
2347 3197
3198 warn "unload completed, starting to reload now";
3199
2348 warn "reloading cf.pm"; 3200 warn "reloading cf.pm";
2349 require cf; 3201 require cf;
2350 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3202 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351 3203
2352 warn "load config and database again"; 3204 warn "loading config and database again";
2353 cf::cfg_load; 3205 cf::cfg_load;
2354 cf::db_load;
2355 3206
2356 warn "load extensions"; 3207 warn "loading extensions";
2357 cf::load_extensions; 3208 cf::load_extensions;
2358 3209
2359 warn "reattach attachments to objects/players"; 3210 warn "reattaching attachments to objects/players";
2360 _global_reattach; 3211 _global_reattach; # objects, sockets
2361 warn "reattach attachments to maps"; 3212 warn "reattaching attachments to maps";
2362 reattach $_ for values %MAP; 3213 reattach $_ for values %MAP;
2363 }; 3214 warn "reattaching attachments to players";
3215 reattach $_ for values %PLAYER;
2364 3216
2365 if ($@) { 3217 warn "leaving sync_job";
3218
3219 1
3220 } or do {
2366 warn $@; 3221 warn $@;
2367 warn "error while reloading, exiting."; 3222 warn "error while reloading, exiting.";
2368 exit 1; 3223 exit 1;
2369 } 3224 };
2370 3225
2371 warn "reloaded"; 3226 warn "reloaded";
2372}; 3227};
2373 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 $RELOAD_WATCHER;
3242 },
3243 );
3244}
3245
2374register_command "reload" => sub { 3246register_command "reload" => sub {
2375 my ($who, $arg) = @_; 3247 my ($who, $arg) = @_;
2376 3248
2377 if ($who->flag (FLAG_WIZ)) { 3249 if ($who->flag (FLAG_WIZ)) {
2378 $who->message ("start of reload.");
2379 reload;
2380 $who->message ("end of reload."); 3250 $who->message ("reloading server.");
3251 async { reload_perl };
2381 } 3252 }
2382}; 3253};
2383 3254
2384unshift @INC, $LIBDIR; 3255unshift @INC, $LIBDIR;
2385 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 $avg = 10;
2386$TICK_WATCHER = Event->timer ( 3282$TICK_WATCHER = Event->timer (
2387 reentrant => 0, 3283 reentrant => 0,
3284 parked => 1,
2388 prio => 0, 3285 prio => 0,
2389 at => $NEXT_TICK || $TICK, 3286 at => $NEXT_TICK || $TICK,
2390 data => WF_AUTOCANCEL, 3287 data => WF_AUTOCANCEL,
2391 cb => sub { 3288 cb => sub {
3289 if ($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
2392 $NOW = Event::time; 3295 $NOW = $tick_start = Event::time;
2393 3296
2394 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
2395 $RUNTIME += $TICK; 3322 $RUNTIME += $TICK;
2396 $NEXT_TICK += $TICK; 3323 $NEXT_TICK += $TICK;
2397 3324
2398 $WAIT_FOR_TICK->broadcast; 3325 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399 $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;
2400 3344
2401 # 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
2402 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3346 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403 3347
2404 $TICK_WATCHER->at ($NEXT_TICK); 3348 $TICK_WATCHER->at ($NEXT_TICK);
2405 $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
2406 }, 3357 },
2407); 3358);
2408 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;
2409IO::AIO::max_poll_time $TICK * 0.2; 3414 IO::AIO::max_poll_time $TICK * 0.1;
2410
2411$AIO_POLL_WATCHER = Event->io ( 3415 $AIO_POLL_WATCHER = Event->io (
2412 fd => IO::AIO::poll_fileno, 3416 reentrant => 0,
2413 poll => 'r',
2414 prio => 5,
2415 data => WF_AUTOCANCEL,
2416 cb => \&IO::AIO::poll_cb,
2417);
2418
2419$WRITE_RUNTIME_WATCHER = Event->timer (
2420 data => WF_AUTOCANCEL, 3417 data => WF_AUTOCANCEL,
2421 after => 0, 3418 fd => IO::AIO::poll_fileno,
2422 interval => 10, 3419 poll => 'r',
2423 cb => sub { 3420 prio => 6,
2424 (Coro::unblock_sub { 3421 cb => \&IO::AIO::poll_cb,
2425 write_runtime 3422 );
2426 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;
2427 })->(); 3456 };
3457 } else {
3458 LOG llevInfo, "[ABT] $msg\n";
3459 LOG llevInfo, "[ABT] [suppressed]\n";
2428 }, 3460 }
2429); 3461}
3462
3463# load additional modules
3464use cf::pod;
2430 3465
2431END { cf::emergency_save } 3466END { cf::emergency_save }
2432 3467
24331 34681
2434 3469

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