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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.61 (); 15use Coro 3.64 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
21use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
22 25
26use JSON::XS 1.4 ();
23use BDB (); 27use BDB ();
24use Data::Dumper; 28use Data::Dumper;
25use Digest::MD5; 29use Digest::MD5;
26use Fcntl; 30use Fcntl;
27use YAML::Syck (); 31use YAML::Syck ();
28use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
29use Time::HiRes; 33use Time::HiRes;
30use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
31 36
32# configure various modules to our taste 37# configure various modules to our taste
33# 38#
34$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
47our %COMMAND = (); 52our %COMMAND = ();
48our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
49 54
50our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
54 60
55our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
56our @EVENT; 62our @EVENT;
57our $LIBDIR = datadir . "/ext"; 63
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";
58 75
59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $TICK_WATCHER; 77our $TICK_WATCHER;
61our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
73our $RUNTIME; 90our $RUNTIME;
74 91
75our %PLAYER; # all users 92our %PLAYER; # all users
76our %MAP; # all maps 93our %MAP; # all maps
77our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 95
81# 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 ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
84binmode STDOUT; 103binmode STDOUT;
85binmode STDERR; 104binmode STDERR;
86 105
87# read virtual server time, if available 106# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
92} 111}
93 112
94mkdir cf::localdir; 113mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 115
101our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
102 117
103sub cf::map::normalise; 118sub cf::map::normalise;
104 119
115=item $cf::RUNTIME 130=item $cf::RUNTIME
116 131
117The 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
118every server tick. 133every server tick.
119 134
120=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
121 138
122The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
123be 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.
124 143
125=item $cf::NOW 144=item $cf::NOW
126 145
127The time of the last (current) server tick. 146The time of the last (current) server tick.
128 147
129=item $cf::TICK 148=item $cf::TICK
130 149
131The 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.
132 161
133=item %cf::CFG 162=item %cf::CFG
134 163
135Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
136from wherever your confdir points to. 165from wherever your confdir points to.
139 168
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 172
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.
178
144=back 179=back
145 180
146=cut 181=cut
147 182
148BEGIN { 183BEGIN {
149 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 185 my $msg = join "", @_;
151 utf8::encode $msg;
152 186
153 $msg .= "\n" 187 $msg .= "\n"
154 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
155 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
156 LOG llevError, $msg; 193 LOG llevError, $msg;
157 }; 194 };
158} 195}
159 196
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@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';
165@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)
166 204
167# 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
168# within the Safe compartment. 206# within the Safe compartment.
169for my $pkg (qw( 207for my $pkg (qw(
170 cf::global cf::attachable 208 cf::global cf::attachable
178} 216}
179 217
180$Event::DIED = sub { 218$Event::DIED = sub {
181 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
182}; 220};
221
222#############################################################################
183 223
184=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
185 225
186=over 4 226=over 4
187 227
206 $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;
207 $d 247 $d
208 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
209} 249}
210 250
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
214 252
215Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
216 254
217=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
218 256
219Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
258
259=cut
260
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262
263sub to_json ($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) }
220 265
221=item cf::lock_wait $string 266=item cf::lock_wait $string
222 267
223Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
224 269
230returned. 275returned.
231 276
232Lock 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
233uses map_find and cf::map::load uses map_load). 278uses map_find and cf::map::load uses map_load).
234 279
280=item $locked = cf::lock_active $string
281
282Return true if the lock is currently active, i.e. somebody has locked it.
283
235=cut 284=cut
236 285
237our %LOCK; 286our %LOCK;
238 287
239sub lock_wait($) { 288sub lock_wait($) {
256 305
257 Coro::guard { 306 Coro::guard {
258 # wake up all waiters, to be on the safe side 307 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 308 $_->ready for @{ delete $LOCK{$key} };
260 } 309 }
310}
311
312sub lock_active($) {
313 my ($key) = @_;
314
315 ! ! $LOCK{$key}
261} 316}
262 317
263sub freeze_mainloop { 318sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 319 return unless $TICK_WATCHER->is_active;
265 320
268 }; 323 };
269 $TICK_WATCHER->stop; 324 $TICK_WATCHER->stop;
270 $guard 325 $guard
271} 326}
272 327
328=item cf::get_slot $time[, $priority[, $name]]
329
330Allocate $time seconds of blocking CPU time at priority C<$priority>:
331This call blocks and returns only when you have at least C<$time> seconds
332of cpu time till the next tick. The slot is only valid till the next cede.
333
334The optional C<$name> can be used to identify the job to run. It might be
335used for statistical purposes and should identify the same time-class.
336
337Useful for short background jobs.
338
339=cut
340
341our @SLOT_QUEUE;
342our $SLOT_QUEUE;
343
344$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async {
346 my $signal = new Coro::Signal;
347
348 while () {
349 next_job:
350 my $avail = cf::till_tick;
351 if ($avail > 0.01) {
352 for (0 .. $#SLOT_QUEUE) {
353 if ($SLOT_QUEUE[$_][0] < $avail) {
354 my $job = splice @SLOT_QUEUE, $_, 1, ();
355 $job->[2]->send;
356 Coro::cede;
357 goto next_job;
358 }
359 }
360 }
361
362 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait;
366 } else {
367 Coro::schedule;
368 }
369 }
370};
371
372sub get_slot($;$$) {
373 my ($time, $pri, $name) = @_;
374
375 $time = $TICK * .6 if $time > $TICK * .6;
376 my $sig = new Coro::Signal;
377
378 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380 $SLOT_QUEUE->ready;
381 $sig->wait;
382}
383
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
276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 387C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it. 388thing you are allowed to do is call C<prio> on it.
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 $guard = cf::lock_acquire "write_runtime";
350 470
351 my $runtime = cf::localdir . "/runtime"; 471Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling.
352 475
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 476=cut
354 or return;
355 477
356 my $value = $cf::RUNTIME + 90 + 10; 478sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 479 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 480
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 481 # we seemingly have to make a local copy of the whole thing,
361 and return; 482 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious)
362 484
363 # always fsync - this file is important 485 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 486 reset_signals;
365 and return; 487 &$cb
488 }, @args;
366 489
367 close $fh 490 wantarray ? @res : $res[-1]
368 or return; 491}
369 492
370 aio_rename "$runtime~", $runtime 493=item $value = cf::db_get $family => $key
371 and return;
372 494
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 };
373 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"
374} 607}
375 608
376=item cf::datalog type => key => value, ... 609=item cf::datalog type => key => value, ...
377 610
378Log a datalog packet of the given type with the given key-value pairs. 611Log a datalog packet of the given type with the given key-value pairs.
396attach callbacks/event handlers (a collection of which is called an "attachment") 629attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 630to it. All such attachable objects support the following methods.
398 631
399In 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>
400C<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
401crossfire+). 634Crossfire TRT).
402 635
403=over 4 636=over 4
404 637
405=item $attachable->attach ($attachment, key => $value...) 638=item $attachable->attach ($attachment, key => $value...)
406 639
569 $registry = $CB_TYPE[$object_type] ||= []; 802 $registry = $CB_TYPE[$object_type] ||= [];
570 803
571 } elsif ($type eq "subtype") { 804 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 805 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 806 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 807 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 808
576 } elsif ($type eq "package") { 809 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 810 my $pkg = shift @arg;
578 811
579 while (my ($name, $id) = each %cb_id) { 812 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 841 _attach $registry, $klass, @attach;
609 } 842 }
610 843
611 $obj->{$name} = \%arg; 844 $obj->{$name} = \%arg;
612 } else { 845 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 846 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 847 }
615 848
616 $obj->{_attachment}{$name} = undef; 849 $obj->{_attachment}{$name} = undef;
617} 850}
618 851
620 if (ref $_[0]) { 853 if (ref $_[0]) {
621 _object_attach @_; 854 _object_attach @_;
622 } else { 855 } else {
623 _attach shift->_attach_registry, @_; 856 _attach shift->_attach_registry, @_;
624 } 857 }
858 _recalc_want;
625}; 859};
626 860
627# all those should be optimised 861# all those should be optimised
628sub cf::attachable::detach { 862sub cf::attachable::detach {
629 my ($obj, $name) = @_; 863 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 866 delete $obj->{_attachment}{$name};
633 reattach ($obj); 867 reattach ($obj);
634 } else { 868 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 869 Carp::croak "cannot, currently, detach class attachments";
636 } 870 }
871 _recalc_want;
637}; 872};
638 873
639sub cf::attachable::attached { 874sub cf::attachable::attached {
640 my ($obj, $name) = @_; 875 my ($obj, $name) = @_;
641 876
656 "; 891 ";
657 die if $@; 892 die if $@;
658} 893}
659 894
660our $override; 895our $override;
661our @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?
662 897
663sub override { 898sub override {
664 $override = 1; 899 $override = 1;
665 @invoke_results = (); 900 @INVOKE_RESULTS = (@_);
666} 901}
667 902
668sub do_invoke { 903sub do_invoke {
669 my $event = shift; 904 my $event = shift;
670 my $callbacks = shift; 905 my $callbacks = shift;
671 906
672 @invoke_results = (); 907 @INVOKE_RESULTS = ();
673 908
674 local $override; 909 local $override;
675 910
676 for (@$callbacks) { 911 for (@$callbacks) {
677 eval { &{$_->[1]} }; 912 eval { &{$_->[1]} };
694 929
695Generate an object-specific event with the given arguments. 930Generate an object-specific event with the given arguments.
696 931
697This 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
698removed 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
699results (if you must, access C<@cf::invoke_results> directly). 934results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 935
701=back 936=back
702 937
703=cut 938=cut
704 939
705############################################################################# 940#############################################################################
706# 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}
707 953
708sub reattach { 954sub reattach {
709 # basically do the same as instantiate, without calling instantiate 955 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 956 my ($obj) = @_;
711 957
814 or return; 1060 or return;
815 $av = eval { (Storable::thaw $av)->{objs} }; 1061 $av = eval { (Storable::thaw $av)->{objs} };
816 } 1062 }
817 1063
818 warn sprintf "loading %s (%d)\n", 1064 warn sprintf "loading %s (%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1065 $filename, length $data, scalar @{$av || []};
820 return ($data, $av); 1066 return ($data, $av);
821} 1067}
1068
1069=head2 COMMAND CALLBACKS
1070
1071=over 4
1072
1073=cut
822 1074
823############################################################################# 1075#############################################################################
824# command handling &c 1076# command handling &c
825 1077
826=item cf::register_command $name => \&callback($ob,$args); 1078=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1091 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1092}
841 1093
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1094=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1095
844Register 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.
845 1101
846If 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
847called. 1103called.
848 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
849=cut 1116=cut
850 1117
851sub register_extcmd { 1118sub register_extcmd {
852 my ($name, $cb) = @_; 1119 my ($name, $cb) = @_;
853 1120
854 $EXTCMD{$name} = $cb; 1121 $EXTCMD{$name} = $cb;
1122}
1123
1124sub register_exticmd {
1125 my ($name, $cb) = @_;
1126
1127 $EXTICMD{$name} = $cb;
855} 1128}
856 1129
857cf::player->attach ( 1130cf::player->attach (
858 on_command => sub { 1131 on_command => sub {
859 my ($pl, $name, $params) = @_; 1132 my ($pl, $name, $params) = @_;
868 cf::override; 1141 cf::override;
869 }, 1142 },
870 on_extcmd => sub { 1143 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1144 my ($pl, $buf) = @_;
872 1145
873 my $msg = eval { from_json $buf }; 1146 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1147
875 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
1154 my @reply;
1155
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1156 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1157 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1158 }
1159
1160 $pl->ext_reply ($reply, @reply)
1161 if $reply;
1162
881 } else { 1163 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1164 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1165 }
884 1166
885 cf::override; 1167 cf::override;
886 }, 1168 },
887); 1169);
888 1170
889sub load_extension {
890 my ($path) = @_;
891
892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
893 my $base = $1;
894 my $pkg = $1;
895 $pkg =~ s/[^[:word:]]/_/g;
896 $pkg = "ext::$pkg";
897
898 warn "... loading '$path' into '$pkg'\n";
899
900 open my $fh, "<:utf8", $path
901 or die "$path: $!";
902
903 my $source =
904 "package $pkg; use strict; use utf8;\n"
905 . "#line 1 \"$path\"\n{\n"
906 . (do { local $/; <$fh> })
907 . "\n};\n1";
908
909 unless (eval $source) {
910 my $msg = $@ ? "$path: $@\n"
911 : "extension disabled.\n";
912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913 warn $@;
914 warn "mandatory extension failed to load, exiting.\n";
915 exit 1;
916 }
917 die $@;
918 }
919
920 push @EXTS, $pkg;
921}
922
923sub load_extensions { 1171sub load_extensions {
1172 cf::sync_job {
1173 my %todo;
1174
924 for my $ext (<$LIBDIR/*.ext>) { 1175 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1176 next unless -r $path;
926 eval { 1177
927 load_extension $ext; 1178 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1179 my $base = $1;
1180 my $pkg = $1;
1181 $pkg =~ s/[^[:word:]]/_/g;
1182 $pkg = "ext::$pkg";
1183
1184 open my $fh, "<:utf8", $path
1185 or die "$path: $!";
1186
1187 my $source = do { local $/; <$fh> };
1188
1189 my %ext = (
1190 path => $path,
1191 base => $base,
1192 pkg => $pkg,
1193 );
1194
1195 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197
1198 $ext{source} =
1199 "package $pkg; use strict; use utf8;\n"
1200 . "#line 1 \"$path\"\n{\n"
1201 . $source
1202 . "\n};\n1";
1203
1204 $todo{$base} = \%ext;
1205 }
1206
1207 my %done;
1208 while (%todo) {
1209 my $progress;
1210
1211 while (my ($k, $v) = each %todo) {
1212 for (split /,\s*/, $v->{meta}{depends}) {
1213 goto skip
1214 unless exists $done{$_};
1215 }
1216
1217 warn "... loading '$k' into '$v->{pkg}'\n";
1218
1219 unless (eval $v->{source}) {
1220 my $msg = $@ ? "$v->{path}: $@\n"
1221 : "$v->{base}: extension inactive.\n";
1222
1223 if (exists $v->{meta}{mandatory}) {
1224 warn $msg;
1225 warn "mandatory extension failed to load, exiting.\n";
1226 exit 1;
1227 }
1228
1229 warn $msg;
1230 }
1231
1232 $done{$k} = delete $todo{$k};
1233 push @EXTS, $v->{pkg};
1234 $progress = 1;
928 1 1235 }
929 } or warn "$ext not loaded: $@"; 1236
1237 skip:
1238 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1239 unless $progress;
1240 }
930 } 1241 };
931} 1242}
932 1243
933############################################################################# 1244#############################################################################
934 1245
1246=back
1247
935=head2 CORE EXTENSIONS 1248=head2 CORE EXTENSIONS
936 1249
937Functions and methods that extend core crossfire objects. 1250Functions and methods that extend core crossfire objects.
938 1251
939=cut 1252=cut
951Returns the given player object, loading it if necessary (might block). 1264Returns the given player object, loading it if necessary (might block).
952 1265
953=cut 1266=cut
954 1267
955sub playerdir($) { 1268sub playerdir($) {
956 cf::localdir 1269 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1270 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1271}
962 1272
963sub path($) { 1273sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1274 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1028 $cf::PLAYER{$login} = $self; 1338 $cf::PLAYER{$login} = $self;
1029 1339
1030 $self 1340 $self
1031} 1341}
1032 1342
1343=item $player->send_msg ($channel, $msg, $color, [extra...])
1344
1345=cut
1346
1347sub send_msg {
1348 my $ns = shift->ns
1349 or return;
1350 $ns->send_msg (@_);
1351}
1352
1033=item $pl->quit_character 1353=item $pl->quit_character
1034 1354
1035Nukes the player without looking back. If logged in, the connection will 1355Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time. 1356be destroyed. May block for a long time.
1037 1357
1084while and may block, so not sync_job-capable, ever. 1404while and may block, so not sync_job-capable, ever.
1085 1405
1086=cut 1406=cut
1087 1407
1088sub list_logins { 1408sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1409 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1410 or return [];
1091 1411
1092 my @logins; 1412 my @logins;
1093 1413
1094 for my $login (@$dirs) { 1414 for my $login (@$dirs) {
1129 } 1449 }
1130 1450
1131 \@paths 1451 \@paths
1132} 1452}
1133 1453
1454=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1455
1456Expand crossfire pod fragments into protocol xml.
1457
1458=cut
1459
1460sub expand_cfpod {
1461 ((my $self), (local $_)) = @_;
1462
1463 # escape & and <
1464 s/&/&amp;/g;
1465 s/(?<![BIUGH])</&lt;/g;
1466
1467 # this is buggy, it needs to properly take care of nested <'s
1468
1469 1 while
1470 # replace B<>, I<>, U<> etc.
1471 s/B<([^\>]*)>/<b>$1<\/b>/
1472 || s/I<([^\>]*)>/<i>$1<\/i>/
1473 || s/U<([^\>]*)>/<u>$1<\/u>/
1474 # replace G<male|female> tags
1475 || s{G<([^>|]*)\|([^>]*)>}{
1476 $self->gender ? $2 : $1
1477 }ge
1478 # replace H<hint text>
1479 || s{H<([^\>]*)>}
1480 {
1481 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483 "")
1484 [$self->{hintmode}]
1485 }ge;
1486
1487 # create single paragraphs (very hackish)
1488 s/(?<=\S)\n(?=\w)/ /g;
1489
1490 # compress some whitespace
1491 s/\s+\n/\n/g; # ws line-ends
1492 s/\n\n+/\n/g; # double lines
1493 s/^\n+//; # beginning lines
1494 s/\n+$//; # ending lines
1495
1496 $_
1497}
1498
1499sub hintmode {
1500 $_[0]{hintmode} = $_[1] if @_ > 1;
1501 $_[0]{hintmode}
1502}
1503
1134=item $player->ext_reply ($msgid, %msg) 1504=item $player->ext_reply ($msgid, @msg)
1135 1505
1136Sends an ext reply to the player. 1506Sends an ext reply to the player.
1137 1507
1138=cut 1508=cut
1139 1509
1140sub ext_reply($$%) { 1510sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1511 my ($self, $id, @msg) = @_;
1142 1512
1143 $msg{msgid} = $id; 1513 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1514}
1147 1515
1148=item $player->ext_event ($type, %msg) 1516=item $player->ext_msg ($type, @msg)
1149 1517
1150Sends an ext event to the client. 1518Sends an ext event to the client.
1151 1519
1152=cut 1520=cut
1153 1521
1154sub ext_event($$%) { 1522sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1523 my ($self, $type, @msg) = @_;
1156 1524
1157 $self->ns->ext_event ($type, %msg); 1525 $self->ns->ext_msg ($type, @msg);
1158} 1526}
1159 1527
1160=head3 cf::region 1528=head3 cf::region
1161 1529
1162=over 4 1530=over 4
1165 1533
1166package cf::region; 1534package cf::region;
1167 1535
1168=item cf::region::find_by_path $path 1536=item cf::region::find_by_path $path
1169 1537
1170Tries to decuce the probable region for a map knowing only its path. 1538Tries to decuce the likely region for a map knowing only its path.
1171 1539
1172=cut 1540=cut
1173 1541
1174sub find_by_path($) { 1542sub find_by_path($) {
1175 my ($path) = @_; 1543 my ($path) = @_;
1176 1544
1177 my ($match, $specificity); 1545 my ($match, $specificity);
1178 1546
1179 for my $region (list) { 1547 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1548 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1549 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1550 if $region->specificity > $specificity;
1183 } 1551 }
1184 } 1552 }
1185 1553
1249 my ($self, $merge) = @_; 1617 my ($self, $merge) = @_;
1250 1618
1251 # we have to keep some variables in memory intact 1619 # we have to keep some variables in memory intact
1252 local $self->{path}; 1620 local $self->{path};
1253 local $self->{load_path}; 1621 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1622
1257 $self->SUPER::thawer_merge ($merge); 1623 $self->SUPER::thawer_merge ($merge);
1258} 1624}
1259 1625
1260sub normalise { 1626sub normalise {
1307 $self->init; # pass $1 etc. 1673 $self->init; # pass $1 etc.
1308 return $self; 1674 return $self;
1309 } 1675 }
1310 } 1676 }
1311 1677
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1678 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1679 ()
1314} 1680}
1315 1681
1316sub init { 1682sub init {
1317 my ($self) = @_; 1683 my ($self) = @_;
1332 1698
1333# the original (read-only) location 1699# the original (read-only) location
1334sub load_path { 1700sub load_path {
1335 my ($self) = @_; 1701 my ($self) = @_;
1336 1702
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1703 "$MAPDIR/$self->{path}.map"
1338} 1704}
1339 1705
1340# the temporary/swap location 1706# the temporary/swap location
1341sub save_path { 1707sub save_path {
1342 my ($self) = @_; 1708 my ($self) = @_;
1343 1709
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1710 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1711 "$TMPDIR/$path.map"
1346} 1712}
1347 1713
1348# the unique path, undef == no special unique path 1714# the unique path, undef == no special unique path
1349sub uniq_path { 1715sub uniq_path {
1350 my ($self) = @_; 1716 my ($self) = @_;
1351 1717
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1718 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1719 "$UNIQUEDIR/$path"
1354} 1720}
1355 1721
1356# and all this just because we cannot iterate over 1722# and all this just because we cannot iterate over
1357# all maps in C++... 1723# all maps in C++...
1358sub change_all_map_light { 1724sub change_all_map_light {
1359 my ($change) = @_; 1725 my ($change) = @_;
1360 1726
1361 $_->change_map_light ($change) 1727 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1728 for grep $_->outdoor, values %cf::MAP;
1729}
1730
1731sub decay_objects {
1732 my ($self) = @_;
1733
1734 return if $self->{deny_reset};
1735
1736 $self->do_decay_objects;
1363} 1737}
1364 1738
1365sub unlink_save { 1739sub unlink_save {
1366 my ($self) = @_; 1740 my ($self) = @_;
1367 1741
1425 $self->load_header_orig 1799 $self->load_header_orig
1426 or return; 1800 or return;
1427 $self->prepare_orig; 1801 $self->prepare_orig;
1428 } 1802 }
1429 1803
1804 $self->{deny_reset} = 1
1805 if $self->no_reset;
1806
1430 $self->default_region (cf::region::find_by_path $self->{path}) 1807 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 1808 unless $self->default_region;
1432 1809
1433 1 1810 1
1434} 1811}
1449 $map->{last_save} = $cf::RUNTIME; 1826 $map->{last_save} = $cf::RUNTIME;
1450 1827
1451 $map->load_header 1828 $map->load_header
1452 or return; 1829 or return;
1453 1830
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 1832 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 1833 #$cf::WAIT_FOR_TICK->wait;
1457 $map->reset; 1834 $map->reset;
1458 undef $guard; 1835 undef $guard;
1459 return find $path; 1836 return find $path;
1470 my ($self) = @_; 1847 my ($self) = @_;
1471 1848
1472 local $self->{deny_reset} = 1; # loading can take a long time 1849 local $self->{deny_reset} = 1; # loading can take a long time
1473 1850
1474 my $path = $self->{path}; 1851 my $path = $self->{path};
1852
1853 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 1854 my $guard = cf::lock_acquire "map_load:$path";
1476 1855
1477 return if $self->in_memory != cf::MAP_SWAPPED; 1856 return if $self->in_memory != cf::MAP_SWAPPED;
1478 1857
1479 $self->in_memory (cf::MAP_LOADING); 1858 $self->in_memory (cf::MAP_LOADING);
1480 1859
1481 $self->alloc; 1860 $self->alloc;
1482 1861
1483 $self->pre_load; 1862 $self->pre_load;
1484 Coro::cede;
1485
1486 $self->_load_objects ($self->{load_path}, 1)
1487 or return;
1488
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490 if delete $self->{load_original};
1491
1492 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) {
1495 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0);
1497 }
1498 }
1499
1500 Coro::cede;
1501 # now do the right thing for maps
1502 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($self->{deny_activate}) {
1506 $self->decay_objects;
1507 $self->fix_auto_apply;
1508 $self->update_buttons;
1509 Coro::cede; 1863 Coro::cede;
1510 $self->set_darkness_map; 1864
1865 $self->_load_objects ($self->{load_path}, 1)
1866 or return;
1867
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869 if delete $self->{load_original};
1870
1871 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) {
1874 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0);
1876 }
1877 }
1878
1879 Coro::cede;
1880 # now do the right thing for maps
1881 $self->link_multipart_objects;
1511 $self->difficulty ($self->estimate_difficulty) 1882 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 1883 unless $self->difficulty;
1513 Coro::cede; 1884 Coro::cede;
1885
1886 unless ($self->{deny_activate}) {
1887 $self->decay_objects;
1888 $self->fix_auto_apply;
1889 $self->update_buttons;
1890 Coro::cede;
1891 $self->set_darkness_map;
1892 Coro::cede;
1514 $self->activate; 1893 $self->activate;
1515 Coro::cede; 1894 }
1895
1896 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME);
1898
1899 $self->in_memory (cf::MAP_IN_MEMORY);
1516 } 1900 }
1517 1901
1518 $self->post_load; 1902 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 1903}
1523 1904
1524sub customise_for { 1905sub customise_for {
1525 my ($self, $ob) = @_; 1906 my ($self, $ob) = @_;
1526 1907
1527 return find "~" . $ob->name . "/" . $self->{path} 1908 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 1909 if $self->per_player;
1529 1910
1911# return find "?party/" . $ob->name . "/" . $self->{path}
1912# if $self->per_party;
1913
1530 $self 1914 $self
1531} 1915}
1532 1916
1533# find and load all maps in the 3x3 area around a map 1917# find and load all maps in the 3x3 area around a map
1534sub load_diag { 1918sub load_neighbours {
1535 my ($map) = @_; 1919 my ($map) = @_;
1536 1920
1537 my @diag; # diagonal neighbours 1921 my @neigh; # diagonal neighbours
1538 1922
1539 for (0 .. 3) { 1923 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 1924 my $neigh = $map->tile_path ($_)
1541 or next; 1925 or next;
1542 $neigh = find $neigh, $map 1926 $neigh = find $neigh, $map
1543 or next; 1927 or next;
1544 $neigh->load; 1928 $neigh->load;
1545 1929
1930 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1931 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1932 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 1933 }
1549 1934
1550 for (@diag) { 1935 for (grep defined $_->[0], @neigh) {
1936 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 1937 my $neigh = find $path, $origin
1552 or next; 1938 or next;
1553 $neigh->load; 1939 $neigh->load;
1554 } 1940 }
1555} 1941}
1556 1942
1561} 1947}
1562 1948
1563sub do_load_sync { 1949sub do_load_sync {
1564 my ($map) = @_; 1950 my ($map) = @_;
1565 1951
1952 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1953 if $Coro::current == $Coro::main;
1954
1566 cf::sync_job { $map->load }; 1955 cf::sync_job { $map->load };
1567} 1956}
1568 1957
1569our %MAP_PREFETCH; 1958our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 1959our $MAP_PREFETCHER = undef;
1571 1960
1572sub find_async { 1961sub find_async {
1573 my ($path, $origin) = @_; 1962 my ($path, $origin, $load) = @_;
1574 1963
1575 $path = normalise $path, $origin && $origin->{path}; 1964 $path = normalise $path, $origin && $origin->{path};
1576 1965
1577 if (my $map = $cf::MAP{$path}) { 1966 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1967 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579 } 1968 }
1580 1969
1581 undef $MAP_PREFETCH{$path}; 1970 $MAP_PREFETCH{$path} |= $load;
1971
1582 $MAP_PREFETCHER ||= cf::async { 1972 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) { 1973 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 1974 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 1975 if (my $map = find $k) {
1586 or next;
1587 $map->load; 1976 $map->load if $v;
1977 }
1588 1978
1589 delete $MAP_PREFETCH{$path}; 1979 delete $MAP_PREFETCH{$k};
1590 } 1980 }
1591 } 1981 }
1592 undef $MAP_PREFETCHER; 1982 undef $MAP_PREFETCHER;
1593 }; 1983 };
1594 $MAP_PREFETCHER->prio (6); 1984 $MAP_PREFETCHER->prio (6);
1644 2034
1645sub reset_at { 2035sub reset_at {
1646 my ($self) = @_; 2036 my ($self) = @_;
1647 2037
1648 # TODO: safety, remove and allow resettable per-player maps 2038 # TODO: safety, remove and allow resettable per-player maps
1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1650 return 1e99 if $self->{deny_reset}; 2039 return 1e99 if $self->{deny_reset};
1651 2040
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2041 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2042 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2043
1665 my ($self) = @_; 2054 my ($self) = @_;
1666 2055
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2056 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2057
1669 return if $self->players; 2058 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2059
1672 warn "resetting map ", $self->path;#d# 2060 warn "resetting map ", $self->path;
1673 2061
1674 $self->in_memory (cf::MAP_SWAPPED); 2062 $self->in_memory (cf::MAP_SWAPPED);
1675 2063
1676 # need to save uniques path 2064 # need to save uniques path
1677 unless ($self->{deny_save}) { 2065 unless ($self->{deny_save}) {
1709 $cf::MAP{$self->path} = $self; 2097 $cf::MAP{$self->path} = $self;
1710 2098
1711 $self->reset; # polite request, might not happen 2099 $self->reset; # polite request, might not happen
1712} 2100}
1713 2101
2102=item $maps = cf::map::tmp_maps
2103
2104Returns an arrayref with all map paths of currently instantiated and saved
2105maps. May block.
2106
2107=cut
2108
2109sub tmp_maps() {
2110 [
2111 map {
2112 utf8::decode $_;
2113 /\.map$/
2114 ? normalise $_
2115 : ()
2116 } @{ aio_readdir $TMPDIR or [] }
2117 ]
2118}
2119
2120=item $maps = cf::map::random_maps
2121
2122Returns an arrayref with all map paths of currently instantiated and saved
2123random maps. May block.
2124
2125=cut
2126
2127sub random_maps() {
2128 [
2129 map {
2130 utf8::decode $_;
2131 /\.map$/
2132 ? normalise "?random/$_"
2133 : ()
2134 } @{ aio_readdir $RANDOMDIR or [] }
2135 ]
2136}
2137
1714=item cf::map::unique_maps 2138=item cf::map::unique_maps
1715 2139
1716Returns an arrayref of paths of all shared maps that have 2140Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2141instantiated unique items. May block.
1718 2142
1719=cut 2143=cut
1720 2144
1721sub unique_maps() { 2145sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2146 [
1723 or return; 2147 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2148 utf8::decode $_;
1729 next if /\.pst$/; 2149 /\.map$/
1730 next unless /^$PATH_SEP/o; 2150 ? normalise $_
1731 2151 : ()
1732 push @paths, cf::map::normalise $_; 2152 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2153 ]
1734
1735 \@paths
1736} 2154}
1737 2155
1738package cf; 2156package cf;
1739 2157
1740=back 2158=back
1786 2204
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2205 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2206
1789 if ($self->{record_replies}) { 2207 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2208 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2209
1791 } else { 2210 } else {
2211 my $pl = $self->contr;
2212
2213 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2214 my $dialog = $pl->{npc_dialog};
2215 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216
2217 } else {
1792 $msg = $npc->name . " says: $msg" if $npc; 2218 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2219 $self->message ($msg, $flags);
2220 }
1794 } 2221 }
2222}
2223
2224=item $object->send_msg ($channel, $msg, $color, [extra...])
2225
2226=cut
2227
2228sub cf::object::send_msg {
2229 my $pl = shift->contr
2230 or return;
2231 $pl->send_msg (@_);
1795} 2232}
1796 2233
1797=item $player_object->may ("access") 2234=item $player_object->may ("access")
1798 2235
1799Returns wether the given player is authorized to access resource "access" 2236Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2283 $self->deactivate_recursive;
1847 2284
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2285 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2286
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2287 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2288 if $self->map && $self->map->{path} ne "{link}";
1852 2289
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2290 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2291}
1855 2292
1856sub cf::object::player::leave_link { 2293sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2294 my ($self, $map, $x, $y) = @_;
2295
2296 return unless $self->contr->active;
1858 2297
1859 my $link_pos = delete $self->{_link_pos}; 2298 my $link_pos = delete $self->{_link_pos};
1860 2299
1861 unless ($map) { 2300 unless ($map) {
1862 # restore original map position 2301 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2315 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2316 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2317 if $x <=0 && $y <= 0;
1879 2318
1880 $map->load; 2319 $map->load;
1881 $map->load_diag; 2320 $map->load_neighbours;
1882 2321
1883 return unless $self->contr->active; 2322 return unless $self->contr->active;
1884 $self->activate_recursive; 2323 $self->activate_recursive;
1885 2324
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2325 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2326 $self->enter_map ($map, $x, $y);
1888} 2327}
1889 2328
1890cf::player->attach ( 2329=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2330
1894 # abort map switching before logout 2331Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2332her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2333that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2334the new (success) or old (failed) map position. In either case, $done will
1898 }; 2335be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2336
1904 # try to abort aborted map switching on player login :)
1905 # should happen only on crashes
1906 if ($pl->ob->{_link_pos}) {
1907 $pl->ob->enter_link;
1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1915 Coro::Timer::sleep 1;
1916 $pl->ob->leave_link;
1917 })->prio (2);
1918 }
1919 },
1920);
1921
1922=item $player_object->goto ($path, $x, $y)
1923
1924=cut 2337=cut
2338
2339our $GOTOGEN;
1925 2340
1926sub cf::object::player::goto { 2341sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2342 my ($self, $path, $x, $y, $check, $done) = @_;
2343
2344 # do generation counting so two concurrent goto's will be executed in-order
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2346
1929 $self->enter_link; 2347 $self->enter_link;
1930 2348
1931 (async { 2349 (async {
1932 my $map = eval { 2350 my $map = eval {
1933 my $map = cf::map::find $path; 2351 my $map = cf::map::find $path;
2352
2353 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2354 $map = $map->customise_for ($self);
2355 $map = $check->($map) if $check && $map;
2356 } else {
2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2358 }
2359
1935 $map 2360 $map
2361 };
2362
2363 if ($@) {
2364 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2365 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2366 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2367
2368 if ($gen == $self->{_goto_generation}) {
2369 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2370 $self->leave_link ($map, $x, $y);
2371 }
2372
2373 $done->() if $done;
1940 })->prio (1); 2374 })->prio (1);
1941} 2375}
1942 2376
1943=item $player_object->enter_exit ($exit_object) 2377=item $player_object->enter_exit ($exit_object)
1944 2378
1983 2417
1984 $rmp->{random_seed} ||= $exit->random_seed; 2418 $rmp->{random_seed} ||= $exit->random_seed;
1985 2419
1986 my $data = cf::to_json $rmp; 2420 my $data = cf::to_json $rmp;
1987 my $md5 = Digest::MD5::md5_hex $data; 2421 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2422 my $meta = "$RANDOMDIR/$md5.meta";
1989 2423
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2425 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2426 undef $fh;
1993 aio_rename "$meta~", $meta; 2427 aio_rename "$meta~", $meta;
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2446 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp; 2447 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp; 2448 my $sp = $exit->stats->sp;
2015 2449
2016 $self->enter_link; 2450 $self->enter_link;
2451
2452 # if exit is damned, update players death & WoR home-position
2453 $self->contr->savebed ($slaying, $hp, $sp)
2454 if $exit->flag (FLAG_DAMNED);
2017 2455
2018 (async { 2456 (async {
2019 $self->deactivate_recursive; # just to be sure 2457 $self->deactivate_recursive; # just to be sure
2020 unless (eval { 2458 unless (eval {
2021 $self->goto ($slaying, $hp, $sp); 2459 $self->goto ($slaying, $hp, $sp);
2049 2487
2050 utf8::encode $text; 2488 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2489 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2490}
2053 2491
2492=item $client->send_msg ($channel, $msg, $color, [extra...])
2493
2494Send a drawinfo or msg packet to the client, formatting the msg for the
2495client if neccessary. C<$type> should be a string identifying the type of
2496the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet.
2498
2499=cut
2500
2501sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_;
2503
2504 $msg = $self->pl->expand_cfpod ($msg);
2505
2506 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507
2508 if (ref $channel) {
2509 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel);
2513 }
2514
2515 $channel = $channel->{id};
2516 }
2517
2518 return unless @extra || length $msg;
2519
2520 if ($self->can_msg) {
2521 # default colour, mask it out
2522 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523 if $color & cf::NDI_DEF;
2524
2525 $self->send_packet ("msg " . $self->{json_coder}->encode (
2526 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2527 } else {
2528 if ($color >= 0) {
2529 # replace some tags by gcfclient-compatible ones
2530 for ($msg) {
2531 1 while
2532 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537 }
2538
2539 $color &= cf::NDI_COLOR_MASK;
2540
2541 utf8::encode $msg;
2542
2543 if (0 && $msg =~ /\[/) {
2544 # COMMAND/INFO
2545 $self->send_packet ("drawextinfo $color 10 8 $msg")
2546 } else {
2547 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548 $self->send_packet ("drawinfo $color $msg")
2549 }
2550 }
2551 }
2552}
2553
2054=item $client->ext_event ($type, %msg) 2554=item $client->ext_msg ($type, @msg)
2055 2555
2056Sends an exti event to the client. 2556Sends an ext event to the client.
2057 2557
2058=cut 2558=cut
2059 2559
2060sub cf::client::ext_event($$%) { 2560sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2561 my ($self, $type, @msg) = @_;
2062 2562
2563 if ($self->extcmd == 2) {
2564 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2565 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2566 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2567 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2568 }
2569}
2570
2571=item $client->ext_reply ($msgid, @msg)
2572
2573Sends an ext reply to the client.
2574
2575=cut
2576
2577sub cf::client::ext_reply($$@) {
2578 my ($self, $id, @msg) = @_;
2579
2580 if ($self->extcmd == 2) {
2581 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2582 } elsif ($self->extcmd == 1) {
2583 #TODO: version 1, remove
2584 unshift @msg, msgtype => "reply", msgid => $id;
2585 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2586 }
2065} 2587}
2066 2588
2067=item $success = $client->query ($flags, "text", \&cb) 2589=item $success = $client->query ($flags, "text", \&cb)
2068 2590
2069Queues a query to the client, calling the given callback with 2591Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2592the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2593C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2594
2073Queries can fail, so check the return code. Or don't, as queries will become 2595Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2596become reliable at some point in the future.
2075 2597
2076=cut 2598=cut
2077 2599
2078sub cf::client::query { 2600sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2601 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2609 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2610 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2611
2090 $self->send_packet ($self->{query_queue}[0][0]) 2612 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2613 if @{ $self->{query_queue} } == 1;
2614
2615 1
2092} 2616}
2093 2617
2094cf::client->attach ( 2618cf::client->attach (
2619 on_connect => sub {
2620 my ($ns) = @_;
2621
2622 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2623 },
2095 on_reply => sub { 2624 on_reply => sub {
2096 my ($ns, $msg) = @_; 2625 my ($ns, $msg) = @_;
2097 2626
2098 # this weird shuffling is so that direct followup queries 2627 # this weird shuffling is so that direct followup queries
2099 # get handled first 2628 # get handled first
2111 } else { 2640 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2641 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 2642 }
2114 } 2643 }
2115 }, 2644 },
2645 on_exticmd => sub {
2646 my ($ns, $buf) = @_;
2647
2648 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2649
2650 if (ref $msg) {
2651 my ($type, $reply, @payload) =
2652 "ARRAY" eq ref $msg
2653 ? @$msg
2654 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2655
2656 my @reply;
2657
2658 if (my $cb = $EXTICMD{$type}) {
2659 @reply = $cb->($ns, @payload);
2660 }
2661
2662 $ns->ext_reply ($reply, @reply)
2663 if $reply;
2664
2665 } else {
2666 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2667 }
2668
2669 cf::override;
2670 },
2116); 2671);
2117 2672
2118=item $client->async (\&cb) 2673=item $client->async (\&cb)
2119 2674
2120Create a new coroutine, running the specified callback. The coroutine will 2675Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 2716our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 2717our $safe_hole = new Safe::Hole;
2163 2718
2164$SIG{FPE} = 'IGNORE'; 2719$SIG{FPE} = 'IGNORE';
2165 2720
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2721$safe->permit_only (Opcode::opset qw(
2722 :base_core :base_mem :base_orig :base_math
2723 grepstart grepwhile mapstart mapwhile
2724 sort time
2725));
2167 2726
2168# here we export the classes and methods available to script code 2727# here we export the classes and methods available to script code
2169 2728
2170=pod 2729=pod
2171 2730
2172The following functions and methods are available within a safe environment: 2731The following functions and methods are available within a safe environment:
2173 2732
2174 cf::object contr pay_amount pay_player map 2733 cf::object
2734 contr pay_amount pay_player map x y force_find force_add
2735 insert remove name archname title slaying race decrease_ob_nr
2736
2175 cf::object::player player 2737 cf::object::player
2176 cf::player peaceful 2738 player
2177 cf::map trigger 2739
2740 cf::player
2741 peaceful
2742
2743 cf::map
2744 trigger
2178 2745
2179=cut 2746=cut
2180 2747
2181for ( 2748for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 2749 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750 insert remove inv name archname title slaying race
2751 decrease_ob_nr)],
2183 ["cf::object::player" => qw(player)], 2752 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 2753 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 2754 ["cf::map" => qw(trigger)],
2186) { 2755) {
2187 no strict 'refs'; 2756 no strict 'refs';
2258=back 2827=back
2259 2828
2260=cut 2829=cut
2261 2830
2262############################################################################# 2831#############################################################################
2263
2264=head2 EXTENSION DATABASE SUPPORT
2265
2266Crossfire maintains a very simple database for extension use. It can
2267currently store anything that can be serialised using Storable, which
2268excludes objects.
2269
2270The parameter C<$family> should best start with the name of the extension
2271using it, it should be unique.
2272
2273=over 4
2274
2275=item $value = cf::db_get $family => $key
2276
2277Returns a single value from the database.
2278
2279=item cf::db_put $family => $key => $value
2280
2281Stores the given C<$value> in the family.
2282
2283=cut
2284
2285our $DB;
2286
2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2306
2307 cf::db_put (board => data => $pst->{board});
2308 cf::db_put (guildrules => data => $pst->{guildrules});
2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312 unlink $path;
2313 };
2314 }
2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332}
2333
2334#############################################################################
2335# the server's init and main functions 2832# the server's init and main functions
2336 2833
2337sub load_facedata { 2834sub load_facedata($) {
2338 my $path = sprintf "%s/facedata", cf::datadir; 2835 my ($path) = @_;
2836
2837 my $enc = JSON::XS->new->utf8->canonical;
2339 2838
2340 warn "loading facedata from $path\n"; 2839 warn "loading facedata from $path\n";
2341 2840
2342 my $facedata; 2841 my $facedata;
2343 0 < aio_load $path, $facedata 2842 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 2845 $facedata = Coro::Storable::thaw $facedata;
2347 2846
2348 $facedata->{version} == 2 2847 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 2848 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 2849
2850 # patch in the exptable
2851 $facedata->{resource}{"res/exp_table"} = {
2852 type => FT_RSRC,
2853 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2854 };
2855 cf::cede_to_tick;
2856
2351 { 2857 {
2352 my $faces = $facedata->{faceinfo}; 2858 my $faces = $facedata->{faceinfo};
2353 2859
2354 while (my ($face, $info) = each %$faces) { 2860 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2861 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2862 cf::face::set_visibility $idx, $info->{visibility};
2863 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2864 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2865 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 2866
2867 cf::cede_to_tick;
2360 } 2868 }
2361 2869
2362 while (my ($face, $info) = each %$faces) { 2870 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 2871 next unless $info->{smooth};
2364 my $idx = cf::face::find $face 2872 my $idx = cf::face::find $face
2365 or next; 2873 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) { 2874 if (my $smooth = cf::face::find $info->{smooth}) {
2875 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2876 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 2877 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2878 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 2879 }
2371 Coro::cede; 2880
2881 cf::cede_to_tick;
2372 } 2882 }
2373 } 2883 }
2374 2884
2375 { 2885 {
2376 my $anims = $facedata->{animinfo}; 2886 my $anims = $facedata->{animinfo};
2377 2887
2378 while (my ($anim, $info) = each %$anims) { 2888 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 2889 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 2890 cf::cede_to_tick;
2381 } 2891 }
2382 2892
2383 cf::anim::invalidate_all; # d'oh 2893 cf::anim::invalidate_all; # d'oh
2384 } 2894 }
2385 2895
2896 {
2897 # TODO: for gcfclient pleasure, we should give resources
2898 # that gcfclient doesn't grok a >10000 face index.
2899 my $res = $facedata->{resource};
2900
2901 my $soundconf = delete $res->{"res/sound.conf"};
2902
2903 while (my ($name, $info) = each %$res) {
2904 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905 my $data;
2906
2907 if ($info->{type} & 1) {
2908 # prepend meta info
2909
2910 my $meta = $enc->encode ({
2911 name => $name,
2912 %{ $info->{meta} || {} },
2913 });
2914
2915 $data = pack "(w/a*)*", $meta, $info->{data};
2916 } else {
2917 $data = $info->{data};
2918 }
2919
2920 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921 cf::face::set_type $idx, $info->{type};
2922
2923 cf::cede_to_tick;
2924 }
2925
2926 if ($soundconf) {
2927 $soundconf = $enc->decode (delete $soundconf->{data});
2928
2929 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930 my $sound = $soundconf->{compat}[$_]
2931 or next;
2932
2933 my $face = cf::face::find "sound/$sound->[1]";
2934 cf::sound::set $sound->[0] => $face;
2935 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936 }
2937
2938 while (my ($k, $v) = each %{$soundconf->{event}}) {
2939 my $face = cf::face::find "sound/$v";
2940 cf::sound::set $k => $face;
2941 }
2942 }
2943 }
2944
2386 1 2945 1
2387} 2946}
2388 2947
2948register_exticmd fx_want => sub {
2949 my ($ns, $want) = @_;
2950
2951 while (my ($k, $v) = each %$want) {
2952 $ns->fx_want ($k, $v);
2953 }
2954};
2955
2956sub reload_regions {
2957 load_resource_file "$MAPDIR/regions"
2958 or die "unable to load regions file\n";
2959
2960 for (cf::region::list) {
2961 $_->{match} = qr/$_->{match}/
2962 if exists $_->{match};
2963 }
2964}
2965
2966sub reload_facedata {
2967 load_facedata "$DATADIR/facedata"
2968 or die "unable to load facedata\n";
2969}
2970
2389sub load_archetypes { 2971sub reload_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable 2972 load_resource_file "$DATADIR/archetypes"
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir 2973 or die "unable to load archetypes\n";
2974 #d# NEED to laod twice to resolve forward references
2975 # this really needs to be done in an extra post-pass
2976 # (which needs to be synchronous, so solve it differently)
2977 load_resource_file "$DATADIR/archetypes"
2978 or die "unable to load archetypes\n";
2392} 2979}
2393 2980
2394sub load_treasures { 2981sub reload_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir 2982 load_resource_file "$DATADIR/treasures"
2983 or die "unable to load treasurelists\n";
2396} 2984}
2397 2985
2398sub reload_resources { 2986sub reload_resources {
2399 warn "reloading resource files...\n"; 2987 warn "reloading resource files...\n";
2400 2988
2401 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2989 reload_regions;
2402 or die "unable to load regions file\n";
2403 load_facedata 2990 reload_facedata;
2404 or die "unable to load facedata\n"; 2991 #reload_archetypes;#d#
2405 load_archetypes 2992 reload_archetypes;
2406 or die "unable to load archetypes\n";
2407 load_treasures 2993 reload_treasures;
2408 or die "unable to load treasurelists\n";
2409 2994
2410 warn "finished reloading resource files\n"; 2995 warn "finished reloading resource files\n";
2411} 2996}
2412 2997
2413sub init { 2998sub init {
2414 reload_resources; 2999 reload_resources;
2415} 3000}
2416 3001
2417sub cfg_load { 3002sub cfg_load {
2418 open my $fh, "<:utf8", cf::confdir . "/config" 3003 open my $fh, "<:utf8", "$CONFDIR/config"
2419 or return; 3004 or return;
2420 3005
2421 local $/; 3006 local $/;
2422 *CFG = YAML::Syck::Load <$fh>; 3007 *CFG = YAML::Syck::Load <$fh>;
2423 3008
2468 }, 3053 },
2469 ); 3054 );
2470 } 3055 }
2471} 3056}
2472 3057
3058sub write_runtime {
3059 my $runtime = "$LOCALDIR/runtime";
3060
3061 # first touch the runtime file to show we are still running:
3062 # the fsync below can take a very very long time.
3063
3064 IO::AIO::aio_utime $runtime, undef, undef;
3065
3066 my $guard = cf::lock_acquire "write_runtime";
3067
3068 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3069 or return;
3070
3071 my $value = $cf::RUNTIME + 90 + 10;
3072 # 10 is the runtime save interval, for a monotonic clock
3073 # 60 allows for the watchdog to kill the server.
3074
3075 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3076 and return;
3077
3078 # always fsync - this file is important
3079 aio_fsync $fh
3080 and return;
3081
3082 # touch it again to show we are up-to-date
3083 aio_utime $fh, undef, undef;
3084
3085 close $fh
3086 or return;
3087
3088 aio_rename "$runtime~", $runtime
3089 and return;
3090
3091 warn "runtime file written.\n";
3092
3093 1
3094}
3095
2473sub emergency_save() { 3096sub emergency_save() {
2474 my $freeze_guard = cf::freeze_mainloop; 3097 my $freeze_guard = cf::freeze_mainloop;
2475 3098
2476 warn "enter emergency perl save\n"; 3099 warn "enter emergency perl save\n";
2477 3100
2508 3131
2509 warn Carp::longmess "post_cleanup backtrace" 3132 warn Carp::longmess "post_cleanup backtrace"
2510 if $make_core; 3133 if $make_core;
2511} 3134}
2512 3135
2513sub reload() { 3136sub do_reload_perl() {
2514 # can/must only be called in main 3137 # can/must only be called in main
2515 if ($Coro::current != $Coro::main) { 3138 if ($Coro::current != $Coro::main) {
2516 warn "can only reload from main coroutine"; 3139 warn "can only reload from main coroutine";
2517 return; 3140 return;
2518 } 3141 }
2552 %EXT_CORO = (); 3175 %EXT_CORO = ();
2553 3176
2554 warn "removing commands"; 3177 warn "removing commands";
2555 %COMMAND = (); 3178 %COMMAND = ();
2556 3179
2557 warn "removing ext commands"; 3180 warn "removing ext/exti commands";
2558 %EXTCMD = (); 3181 %EXTCMD = ();
3182 %EXTICMD = ();
2559 3183
2560 warn "unloading/nuking all extensions"; 3184 warn "unloading/nuking all extensions";
2561 for my $pkg (@EXTS) { 3185 for my $pkg (@EXTS) {
2562 warn "... unloading $pkg"; 3186 warn "... unloading $pkg";
2563 3187
2593 Symbol::delete_package "safe::$_" 3217 Symbol::delete_package "safe::$_"
2594 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3218 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595 3219
2596 warn "unloading cf.pm \"a bit\""; 3220 warn "unloading cf.pm \"a bit\"";
2597 delete $INC{"cf.pm"}; 3221 delete $INC{"cf.pm"};
3222 delete $INC{"cf/pod.pm"};
2598 3223
2599 # don't, removes xs symbols, too, 3224 # don't, removes xs symbols, too,
2600 # and global variables created in xs 3225 # and global variables created in xs
2601 #Symbol::delete_package __PACKAGE__; 3226 #Symbol::delete_package __PACKAGE__;
2602 3227
2617 warn "reattaching attachments to maps"; 3242 warn "reattaching attachments to maps";
2618 reattach $_ for values %MAP; 3243 reattach $_ for values %MAP;
2619 warn "reattaching attachments to players"; 3244 warn "reattaching attachments to players";
2620 reattach $_ for values %PLAYER; 3245 reattach $_ for values %PLAYER;
2621 3246
2622 warn "loading reloadable resources";
2623 reload_resources;
2624
2625 warn "leaving sync_job"; 3247 warn "leaving sync_job";
2626 3248
2627 1 3249 1
2628 } or do { 3250 } or do {
2629 warn $@; 3251 warn $@;
2634 warn "reloaded"; 3256 warn "reloaded";
2635}; 3257};
2636 3258
2637our $RELOAD_WATCHER; # used only during reload 3259our $RELOAD_WATCHER; # used only during reload
2638 3260
3261sub reload_perl() {
3262 # doing reload synchronously and two reloads happen back-to-back,
3263 # coro crashes during coro_state_free->destroy here.
3264
3265 $RELOAD_WATCHER ||= Event->timer (
3266 reentrant => 0,
3267 after => 0,
3268 data => WF_AUTOCANCEL,
3269 cb => sub {
3270 do_reload_perl;
3271 undef $RELOAD_WATCHER;
3272 },
3273 );
3274}
3275
2639register_command "reload" => sub { 3276register_command "reload" => sub {
2640 my ($who, $arg) = @_; 3277 my ($who, $arg) = @_;
2641 3278
2642 if ($who->flag (FLAG_WIZ)) { 3279 if ($who->flag (FLAG_WIZ)) {
2643 $who->message ("reloading server."); 3280 $who->message ("reloading server.");
2644 3281 async { reload_perl };
2645 # doing reload synchronously and two reloads happen back-to-back,
2646 # coro crashes during coro_state_free->destroy here.
2647
2648 $RELOAD_WATCHER ||= Event->timer (
2649 reentrant => 0,
2650 after => 0,
2651 data => WF_AUTOCANCEL,
2652 cb => sub {
2653 reload;
2654 undef $RELOAD_WATCHER;
2655 },
2656 );
2657 } 3282 }
2658}; 3283};
2659 3284
2660unshift @INC, $LIBDIR; 3285unshift @INC, $LIBDIR;
2661 3286
2680 my $signal = new Coro::Signal; 3305 my $signal = new Coro::Signal;
2681 push @WAIT_FOR_TICK_BEGIN, $signal; 3306 push @WAIT_FOR_TICK_BEGIN, $signal;
2682 $signal->wait; 3307 $signal->wait;
2683} 3308}
2684 3309
3310 my $min = 1e6;#d#
3311 my $avg = 10;
2685$TICK_WATCHER = Event->timer ( 3312$TICK_WATCHER = Event->timer (
2686 reentrant => 0, 3313 reentrant => 0,
2687 parked => 1, 3314 parked => 1,
2688 prio => 0, 3315 prio => 0,
2689 at => $NEXT_TICK || $TICK, 3316 at => $NEXT_TICK || $TICK,
2693 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3320 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694 unless ++$bug_warning > 10; 3321 unless ++$bug_warning > 10;
2695 return; 3322 return;
2696 } 3323 }
2697 3324
2698 $NOW = Event::time; 3325 $NOW = $tick_start = Event::time;
2699 3326
2700 cf::server_tick; # one server iteration 3327 cf::server_tick; # one server iteration
3328
3329 0 && sync_job {#d#
3330 for(1..10) {
3331 my $t = Event::time;
3332 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3333 or die;
3334
3335 $map->width (50);
3336 $map->height (50);
3337 $map->alloc;
3338 $map->_load_objects ("/tmp/x.map", 1);
3339 my $t = Event::time - $t;
3340
3341 #next unless $t < 0.0013;#d#
3342 if ($t < $min) {
3343 $min = $t;
3344 }
3345 $avg = $avg * 0.99 + $t * 0.01;
3346 }
3347 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348 exit 0;
3349 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350 };
2701 3351
2702 $RUNTIME += $TICK; 3352 $RUNTIME += $TICK;
2703 $NEXT_TICK += $TICK; 3353 $NEXT_TICK += $TICK;
2704 3354
2705 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3355 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2711 } 3361 }
2712 3362
2713# my $AFTER = Event::time; 3363# my $AFTER = Event::time;
2714# warn $AFTER - $NOW;#d# 3364# warn $AFTER - $NOW;#d#
2715 3365
3366 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367 $sig->send;
3368 }
3369 while (my $sig = shift @WAIT_FOR_TICK) {
3370 $sig->send;
3371 }
3372
3373 $NOW = Event::time;
3374
2716 # if we are delayed by four ticks or more, skip them all 3375 # if we are delayed by four ticks or more, skip them all
2717 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3376 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2718 3377
2719 $TICK_WATCHER->at ($NEXT_TICK); 3378 $TICK_WATCHER->at ($NEXT_TICK);
2720 $TICK_WATCHER->start; 3379 $TICK_WATCHER->start;
2721 3380
2722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3381 $LOAD = ($NOW - $tick_start) / $TICK;
2723 $sig->send; 3382 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2724 }
2725 while (my $sig = shift @WAIT_FOR_TICK) {
2726 $sig->send;
2727 }
2728 3383
2729 _post_tick; 3384 _post_tick;
3385
3386
2730 }, 3387 },
2731); 3388);
2732 3389
2733{ 3390{
2734 BDB::max_poll_time $TICK * 0.1; 3391 BDB::max_poll_time $TICK * 0.1;
2762 3419
2763 cf::sync_job { 3420 cf::sync_job {
2764 eval { 3421 eval {
2765 BDB::db_env_open 3422 BDB::db_env_open
2766 $DB_ENV, 3423 $DB_ENV,
2767 $BDB_ENV_DIR, 3424 $BDBDIR,
2768 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3425 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3426 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770 0666; 3427 0666;
2771 3428
2772 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3429 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773 3430
2774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3431 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775 $DB_ENV->set_lk_detect; 3432 $DB_ENV->set_lk_detect;
2776 }; 3433 };
2777 3434
2793 prio => 6, 3450 prio => 6,
2794 cb => \&IO::AIO::poll_cb, 3451 cb => \&IO::AIO::poll_cb,
2795 ); 3452 );
2796} 3453}
2797 3454
3455my $_log_backtrace;
3456
3457sub _log_backtrace {
3458 my ($msg, @addr) = @_;
3459
3460 $msg =~ s/\n//;
3461
3462 # limit the # of concurrent backtraces
3463 if ($_log_backtrace < 2) {
3464 ++$_log_backtrace;
3465 async {
3466 my @bt = fork_call {
3467 @addr = map { sprintf "%x", $_ } @addr;
3468 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470 or die "addr2line: $!";
3471
3472 my @funcs;
3473 my @res = <$fh>;
3474 chomp for @res;
3475 while (@res) {
3476 my ($func, $line) = splice @res, 0, 2, ();
3477 push @funcs, "[$func] $line";
3478 }
3479
3480 @funcs
3481 };
3482
3483 LOG llevInfo, "[ABT] $msg\n";
3484 LOG llevInfo, "[ABT] $_\n" for @bt;
3485 --$_log_backtrace;
3486 };
3487 } else {
3488 LOG llevInfo, "[ABT] $msg\n";
3489 LOG llevInfo, "[ABT] [suppressed]\n";
3490 }
3491}
3492
3493# load additional modules
3494use cf::pod;
3495
2798END { cf::emergency_save } 3496END { cf::emergency_save }
2799 3497
28001 34981
2801 3499

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