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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use Event; 9use Event;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable ();
13 14
14use Coro 3.61 (); 15use Coro 4.1 ();
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 ();
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 2.51 ();
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
63our $NEXT_TICK; 80our $NEXT_TICK;
64our $NOW; 81our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
66 83
67our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 88our $DB_ENV;
69 89
70our %CFG; 90our %CFG;
71 91
72our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 93our $RUNTIME;
74 94
75our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 98
81# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
84binmode STDOUT; 106binmode STDOUT;
85binmode STDERR; 107binmode STDERR;
86 108
87# read virtual server time, if available 109# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
92} 114}
93 115
94mkdir cf::localdir; 116mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 118
101our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
102 120
103sub cf::map::normalise; 121sub cf::map::normalise;
104 122
115=item $cf::RUNTIME 133=item $cf::RUNTIME
116 134
117The time this server has run, starts at 0 and is increased by $cf::TICK on 135The time this server has run, starts at 0 and is increased by $cf::TICK on
118every server tick. 136every server tick.
119 137
120=item $cf::LIBDIR 138=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121 141
122The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
123be found. It will be added to C<@INC> automatically. 143directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144unique-items directory, player file directory, random maps directory and
145database environment.
124 146
125=item $cf::NOW 147=item $cf::NOW
126 148
127The time of the last (current) server tick. 149The time of the last (current) server tick.
128 150
129=item $cf::TICK 151=item $cf::TICK
130 152
131The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
132 164
133=item %cf::CFG 165=item %cf::CFG
134 166
135Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
136from wherever your confdir points to. 168from wherever your confdir points to.
139 171
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 172These 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 173returns 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. 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
181
144=back 182=back
145 183
146=cut 184=cut
147 185
148BEGIN { 186BEGIN {
149 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 188 my $msg = join "", @_;
151 utf8::encode $msg;
152 189
153 $msg .= "\n" 190 $msg .= "\n"
154 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155 194
156 LOG llevError, $msg; 195 LOG llevError, $msg;
157 }; 196 };
158} 197}
159 198
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166 206
167# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
168# within the Safe compartment. 208# within the Safe compartment.
169for my $pkg (qw( 209for my $pkg (qw(
170 cf::global cf::attachable 210 cf::global cf::attachable
178} 218}
179 219
180$Event::DIED = sub { 220$Event::DIED = sub {
181 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
182}; 222};
223
224#############################################################################
183 225
184=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
185 227
186=over 4 228=over 4
187 229
206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207 $d 249 $d
208 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
209} 251}
210 252
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
214 254
215Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
216 256
217=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
218 258
219Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
260
261=cut
262
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264
265sub to_json ($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) }
220 267
221=item cf::lock_wait $string 268=item cf::lock_wait $string
222 269
223Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
224 271
227Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
228a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
230returned. 277returned.
231 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
232Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
234 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
235=cut 289=cut
236 290
237our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
238 293
239sub lock_wait($) { 294sub lock_wait($) {
240 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
241 301
242 # wait for lock, if any 302 # wait for lock, if any
243 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 305 Coro::schedule;
251 311
252 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
253 lock_wait $key; 313 lock_wait $key;
254 314
255 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
256 317
257 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
260 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
261} 329}
262 330
263sub freeze_mainloop { 331sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
265 333
268 }; 336 };
269 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
270 $guard 338 $guard
271} 339}
272 340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
397}
398
273=item cf::async { BLOCK } 399=item cf::async { BLOCK }
274 400
275Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 402C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
280 406
281BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
282 408
283=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
284 410
285The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 412is 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. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
288 415
289If it must be done, put the blocking parts into C<sync_job>. This will run 416If 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 417the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
292fast or be very important. 419fast or be very important.
295 422
296sub sync_job(&) { 423sub sync_job(&) {
297 my ($job) = @_; 424 my ($job) = @_;
298 425
299 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
300 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
302 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
303 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 435 # (but this is cancel-safe)
305 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
306 437
307 my $busy = 1; 438 my $busy = 1;
308 my @res; 439 my @res;
309 440
310 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 443 @res = eval { $job->() };
312 warn $@ if $@; 444 warn $@ if $@;
313 undef $busy; 445 undef $busy;
314 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
315 447
316 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
317 Coro::cede or Event::one_event; 452 Event::one_event;
318 } 453 }
454 }
455
456 $time = Event::time - $time;
457
458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461 $tick_start += $time; # do not account sync jobs to server load
319 462
320 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
321 } else { 464 } else {
322 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
323 466
343 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
344 487
345 $coro 488 $coro
346} 489}
347 490
348sub write_runtime { 491=item fork_call { }, $args
349 my $guard = cf::lock_acquire "write_runtime";
350 492
351 my $runtime = cf::localdir . "/runtime"; 493Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling.
352 497
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 498=cut
354 or return;
355 499
356 my $value = $cf::RUNTIME + 90 + 10; 500sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 501 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 502
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 503 # we seemingly have to make a local copy of the whole thing,
361 and return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
362 506
363 # always fsync - this file is important 507 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 508 reset_signals;
365 and return; 509 &$cb
510 }, @args;
366 511
367 close $fh 512 wantarray ? @res : $res[-1]
368 or return; 513}
369 514
370 aio_rename "$runtime~", $runtime 515=item $value = cf::db_get $family => $key
371 and return;
372 516
517Returns a single value from the environment database.
518
519=item cf::db_put $family => $key => $value
520
521Stores the given C<$value> in the family. It can currently store binary
522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
523
524=item $db = cf::db_table "name"
525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
547
548our $DB;
549
550sub db_init {
551 cf::sync_job {
552 $DB ||= db_table "db";
553 };
554}
555
556sub db_get($$) {
557 my $key = "$_[0]/$_[1]";
558
559 cf::sync_job {
560 BDB::db_get $DB, undef, $key, my $data;
561
562 $! ? ()
563 : $data
373 1 564 }
565}
566
567sub db_put($$$) {
568 BDB::dbreq_pri 4;
569 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
570}
571
572=item cf::cache $id => [$paths...], $processversion => $process
573
574Generic caching function that returns the value of the resource $id,
575caching and regenerating as required.
576
577This function can block.
578
579=cut
580
581sub cache {
582 my ($id, $src, $processversion, $process) = @_;
583
584 my $meta =
585 join "\x00",
586 $processversion,
587 map {
588 aio_stat $_
589 and Carp::croak "$_: $!";
590
591 ($_, (stat _)[7,9])
592 } @$src;
593
594 my $dbmeta = db_get cache => "$id/meta";
595 if ($dbmeta ne $meta) {
596 # changed, we may need to process
597
598 my @data;
599 my $md5;
600
601 for (0 .. $#$src) {
602 0 <= aio_load $src->[$_], $data[$_]
603 or Carp::croak "$src->[$_]: $!";
604 }
605
606 # if processing is expensive, check
607 # checksum first
608 if (1) {
609 $md5 =
610 join "\x00",
611 $processversion,
612 map {
613 cf::cede_to_tick;
614 ($src->[$_], Digest::MD5::md5_hex $data[$_])
615 } 0.. $#$src;
616
617
618 my $dbmd5 = db_get cache => "$id/md5";
619 if ($dbmd5 eq $md5) {
620 db_put cache => "$id/meta", $meta;
621
622 return db_get cache => "$id/data";
623 }
624 }
625
626 my $t1 = Time::HiRes::time;
627 my $data = $process->(\@data);
628 my $t2 = Time::HiRes::time;
629
630 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
631
632 db_put cache => "$id/data", $data;
633 db_put cache => "$id/md5" , $md5;
634 db_put cache => "$id/meta", $meta;
635
636 return $data;
637 }
638
639 db_get cache => "$id/data"
374} 640}
375 641
376=item cf::datalog type => key => value, ... 642=item cf::datalog type => key => value, ...
377 643
378Log a datalog packet of the given type with the given key-value pairs. 644Log 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") 662attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
398 664
399In the following description, CLASS can be any of C<global>, C<object> 665In 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 666C<player>, C<client> or C<map> (i.e. the attachable objects in
401crossfire+). 667Crossfire TRT).
402 668
403=over 4 669=over 4
404 670
405=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
406 672
569 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
570 836
571 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 841
576 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 843 my $pkg = shift @arg;
578 844
579 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
609 } 875 }
610 876
611 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
612 } else { 878 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 880 }
615 881
616 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
617} 883}
618 884
620 if (ref $_[0]) { 886 if (ref $_[0]) {
621 _object_attach @_; 887 _object_attach @_;
622 } else { 888 } else {
623 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
624 } 890 }
891 _recalc_want;
625}; 892};
626 893
627# all those should be optimised 894# all those should be optimised
628sub cf::attachable::detach { 895sub cf::attachable::detach {
629 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
633 reattach ($obj); 900 reattach ($obj);
634 } else { 901 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
636 } 903 }
904 _recalc_want;
637}; 905};
638 906
639sub cf::attachable::attached { 907sub cf::attachable::attached {
640 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
641 909
656 "; 924 ";
657 die if $@; 925 die if $@;
658} 926}
659 927
660our $override; 928our $override;
661our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 929our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662 930
663sub override { 931sub override {
664 $override = 1; 932 $override = 1;
665 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
666} 934}
667 935
668sub do_invoke { 936sub do_invoke {
669 my $event = shift; 937 my $event = shift;
670 my $callbacks = shift; 938 my $callbacks = shift;
671 939
672 @invoke_results = (); 940 @INVOKE_RESULTS = ();
673 941
674 local $override; 942 local $override;
675 943
676 for (@$callbacks) { 944 for (@$callbacks) {
677 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
694 962
695Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
696 964
697This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 965This 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 966removed in future versions), and there is no public API to access override
699results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 968
701=back 969=back
702 970
703=cut 971=cut
704 972
705############################################################################# 973#############################################################################
706# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
707 1017
708sub reattach { 1018sub reattach {
709 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 1020 my ($obj) = @_;
711 1021
758sub object_freezer_save { 1068sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
760 1070
761 sync_job { 1071 sync_job {
762 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
763 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
765 1076
766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
768 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
770 close $fh; 1081 close $fh;
771 1082
772 if (@$objs) { 1083 if (@$objs) {
773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1084 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
775 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
777 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
778 close $fh; 1089 close $fh;
779 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
780 } 1091 }
788 } 1099 }
789 } else { 1100 } else {
790 aio_unlink $filename; 1101 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
792 } 1103 }
793 } 1104 };
794} 1105}
795 1106
796sub object_freezer_as_string { 1107sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
798 1109
810 or return; 1121 or return;
811 1122
812 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
814 or return; 1125 or return;
1126
815 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
816 } 1129 }
817 1130
1131 utf8::decode (my $decname = $filename);
818 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
820 return ($data, $av); 1135 ($data, $av)
821} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
822 1143
823############################################################################# 1144#############################################################################
824# command handling &c 1145# command handling &c
825 1146
826=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1161}
841 1162
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1164
844Register a callbackf ro execution when the client sends an extcmd packet. 1165Register a callback for execution when the client sends an (synchronous)
1166extcmd packet. Ext commands will be processed in the order they are
1167received by the server, like other user commands. The first argument is
1168the logged-in player. Ext commands can only be processed after a player
1169has logged in successfully.
845 1170
846If the callback returns something, it is sent back as if reply was being 1171If the callback returns something, it is sent back as if reply was being
847called. 1172called.
848 1173
1174=item cf::register_exticmd $name => \&callback($ns,$packet);
1175
1176Register a callback for execution when the client sends an (asynchronous)
1177exticmd packet. Exti commands are processed by the server as soon as they
1178are received, i.e. out of order w.r.t. other commands. The first argument
1179is a client socket. Exti commands can be received anytime, even before
1180log-in.
1181
1182If the callback returns something, it is sent back as if reply was being
1183called.
1184
849=cut 1185=cut
850 1186
851sub register_extcmd { 1187sub register_extcmd {
852 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
853 1189
854 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
855} 1197}
856 1198
857cf::player->attach ( 1199cf::player->attach (
858 on_command => sub { 1200 on_command => sub {
859 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
868 cf::override; 1210 cf::override;
869 }, 1211 },
870 on_extcmd => sub { 1212 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
872 1214
873 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1216
875 if (ref $msg) { 1217 if (ref $msg) {
1218 my ($type, $reply, @payload) =
1219 "ARRAY" eq ref $msg
1220 ? @$msg
1221 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222
1223 my @reply;
1224
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
881 } else { 1232 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1234 }
884 1235
885 cf::override; 1236 cf::override;
886 }, 1237 },
887); 1238);
888 1239
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 { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
924 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1245 next unless -r $path;
926 eval { 1246
927 load_extension $ext; 1247 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1248 my $base = $1;
1249 my $pkg = $1;
1250 $pkg =~ s/[^[:word:]]/_/g;
1251 $pkg = "ext::$pkg";
1252
1253 open my $fh, "<:utf8", $path
1254 or die "$path: $!";
1255
1256 my $source = do { local $/; <$fh> };
1257
1258 my %ext = (
1259 path => $path,
1260 base => $base,
1261 pkg => $pkg,
1262 );
1263
1264 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266
1267 $ext{source} =
1268 "package $pkg; use strict; use utf8;\n"
1269 . "#line 1 \"$path\"\n{\n"
1270 . $source
1271 . "\n};\n1";
1272
1273 $todo{$base} = \%ext;
1274 }
1275
1276 my %done;
1277 while (%todo) {
1278 my $progress;
1279
1280 while (my ($k, $v) = each %todo) {
1281 for (split /,\s*/, $v->{meta}{depends}) {
1282 goto skip
1283 unless exists $done{$_};
1284 }
1285
1286 warn "... loading '$k' into '$v->{pkg}'\n";
1287
1288 unless (eval $v->{source}) {
1289 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n";
1291
1292 if (exists $v->{meta}{mandatory}) {
1293 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n";
1295 exit 1;
1296 }
1297
1298 warn $msg;
1299 }
1300
1301 $done{$k} = delete $todo{$k};
1302 push @EXTS, $v->{pkg};
1303 $progress = 1;
928 1 1304 }
929 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
930 } 1310 };
931} 1311}
932 1312
933############################################################################# 1313#############################################################################
934 1314
1315=back
1316
935=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
936 1318
937Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
938 1320
939=cut 1321=cut
944 1326
945=head3 cf::player 1327=head3 cf::player
946 1328
947=over 4 1329=over 4
948 1330
1331=item cf::player::num_playing
1332
1333Returns the official number of playing players, as per the Crossfire metaserver rules.
1334
1335=cut
1336
1337sub num_playing {
1338 scalar grep
1339 $_->ob->map
1340 && !$_->hidden
1341 && !$_->ob->flag (cf::FLAG_WIZ),
1342 cf::player::list
1343}
1344
949=item cf::player::find $login 1345=item cf::player::find $login
950 1346
951Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
952 1348
953=cut 1349=cut
954 1350
955sub playerdir($) { 1351sub playerdir($) {
956 cf::localdir 1352 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1354}
962 1355
963sub path($) { 1356sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl"; 1387 aio_unlink +(playerdir $login) . "/$login.pl";
995 1388
996 my $pl = load_pl path $login 1389 my $f = new_from_file cf::object::thawer path $login
997 or return; 1390 or return;
1391
1392 my $pl = cf::player::load_pl $f
1393 or return;
1394 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs;
998 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
999 } 1397 }
1000 } 1398 }
1001} 1399}
1002 1400
1012 1410
1013 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1015 1413
1016 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1017 Coro::cede; 1415 cf::cede_to_tick;
1018} 1416}
1019 1417
1020sub new($) { 1418sub new($) {
1021 my ($login) = @_; 1419 my ($login) = @_;
1022 1420
1026 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1027 1425
1028 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1029 1427
1030 $self 1428 $self
1429}
1430
1431=item $player->send_msg ($channel, $msg, $color, [extra...])
1432
1433=cut
1434
1435sub send_msg {
1436 my $ns = shift->ns
1437 or return;
1438 $ns->send_msg (@_);
1031} 1439}
1032 1440
1033=item $pl->quit_character 1441=item $pl->quit_character
1034 1442
1035Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1084while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1085 1493
1086=cut 1494=cut
1087 1495
1088sub list_logins { 1496sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1498 or return [];
1091 1499
1092 my @logins; 1500 my @logins;
1093 1501
1094 for my $login (@$dirs) { 1502 for my $login (@$dirs) {
1503 my $path = path $login;
1504
1505 # a .pst is a dead give-away for a valid player
1506 unless (-e "$path.pst") {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1098 1511
1099 utf8::decode $login; 1512 utf8::decode $login;
1100 push @logins, $login; 1513 push @logins, $login;
1101 } 1514 }
1102 1515
1129 } 1542 }
1130 1543
1131 \@paths 1544 \@paths
1132} 1545}
1133 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553 use re 'eval';
1554
1555my $group;
1556my $interior; $interior = qr{
1557 (?:
1558 \ (.*?)\ (?{ $group = $^N })
1559 | < (??{$interior}) >
1560 )
1561}x;
1562
1563sub expand_cfpod {
1564 my ($self, $pod) = @_;
1565
1566 my $xml;
1567
1568 while () {
1569 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570 $group = $1;
1571
1572 $group =~ s/&/&amp;/g;
1573 $group =~ s/</&lt;/g;
1574
1575 $xml .= $group;
1576 } elsif ($pod =~ m%\G
1577 ([BCGHITU])
1578 <
1579 (?:
1580 ([^<>]*) (?{ $group = $^N })
1581 | < $interior >
1582 )
1583 >
1584 %gcsx
1585 ) {
1586 my ($code, $data) = ($1, $group);
1587
1588 if ($code eq "B") {
1589 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590 } elsif ($code eq "I") {
1591 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592 } elsif ($code eq "U") {
1593 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594 } elsif ($code eq "C") {
1595 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596 } elsif ($code eq "T") {
1597 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598 } elsif ($code eq "G") {
1599 my ($male, $female) = split /\|/, $data;
1600 $data = $self->gender ? $female : $male;
1601 $xml .= expand_cfpod ($self, $data);
1602 } elsif ($code eq "H") {
1603 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605 "")
1606 [$self->{hintmode}];
1607 } else {
1608 $xml .= "error processing '$code($data)' directive";
1609 }
1610 } else {
1611 if ($pod =~ /\G(.+)/) {
1612 warn "parse error while expanding $pod (at $1)";
1613 }
1614 last;
1615 }
1616 }
1617
1618 for ($xml) {
1619 # create single paragraphs (very hackish)
1620 s/(?<=\S)\n(?=\w)/ /g;
1621
1622 # compress some whitespace
1623 s/\s+\n/\n/g; # ws line-ends
1624 s/\n\n+/\n/g; # double lines
1625 s/^\n+//; # beginning lines
1626 s/\n+$//; # ending lines
1627 }
1628
1629 $xml
1630}
1631
1632sub hintmode {
1633 $_[0]{hintmode} = $_[1] if @_ > 1;
1634 $_[0]{hintmode}
1635}
1636
1134=item $player->ext_reply ($msgid, %msg) 1637=item $player->ext_reply ($msgid, @msg)
1135 1638
1136Sends an ext reply to the player. 1639Sends an ext reply to the player.
1137 1640
1138=cut 1641=cut
1139 1642
1140sub ext_reply($$%) { 1643sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1644 my ($self, $id, @msg) = @_;
1142 1645
1143 $msg{msgid} = $id; 1646 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1647}
1147 1648
1148=item $player->ext_event ($type, %msg) 1649=item $player->ext_msg ($type, @msg)
1149 1650
1150Sends an ext event to the client. 1651Sends an ext event to the client.
1151 1652
1152=cut 1653=cut
1153 1654
1154sub ext_event($$%) { 1655sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1656 my ($self, $type, @msg) = @_;
1156 1657
1157 $self->ns->ext_event ($type, %msg); 1658 $self->ns->ext_msg ($type, @msg);
1158} 1659}
1159 1660
1160=head3 cf::region 1661=head3 cf::region
1161 1662
1162=over 4 1663=over 4
1165 1666
1166package cf::region; 1667package cf::region;
1167 1668
1168=item cf::region::find_by_path $path 1669=item cf::region::find_by_path $path
1169 1670
1170Tries to decuce the probable region for a map knowing only its path. 1671Tries to decuce the likely region for a map knowing only its path.
1171 1672
1172=cut 1673=cut
1173 1674
1174sub find_by_path($) { 1675sub find_by_path($) {
1175 my ($path) = @_; 1676 my ($path) = @_;
1176 1677
1177 my ($match, $specificity); 1678 my ($match, $specificity);
1178 1679
1179 for my $region (list) { 1680 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1681 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1682 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1683 if $region->specificity > $specificity;
1183 } 1684 }
1184 } 1685 }
1185 1686
1249 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1250 1751
1251 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1252 local $self->{path}; 1753 local $self->{path};
1253 local $self->{load_path}; 1754 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1755
1257 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1258} 1757}
1259 1758
1260sub normalise { 1759sub normalise {
1307 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1308 return $self; 1807 return $self;
1309 } 1808 }
1310 } 1809 }
1311 1810
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1812 ()
1314} 1813}
1315 1814
1316sub init { 1815sub init {
1317 my ($self) = @_; 1816 my ($self) = @_;
1332 1831
1333# the original (read-only) location 1832# the original (read-only) location
1334sub load_path { 1833sub load_path {
1335 my ($self) = @_; 1834 my ($self) = @_;
1336 1835
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1836 "$MAPDIR/$self->{path}.map"
1338} 1837}
1339 1838
1340# the temporary/swap location 1839# the temporary/swap location
1341sub save_path { 1840sub save_path {
1342 my ($self) = @_; 1841 my ($self) = @_;
1343 1842
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1844 "$TMPDIR/$path.map"
1346} 1845}
1347 1846
1348# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1349sub uniq_path { 1848sub uniq_path {
1350 my ($self) = @_; 1849 my ($self) = @_;
1351 1850
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1852 "$UNIQUEDIR/$path"
1354} 1853}
1355 1854
1356# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1357# all maps in C++... 1856# all maps in C++...
1358sub change_all_map_light { 1857sub change_all_map_light {
1360 1859
1361 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1363} 1862}
1364 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1365sub unlink_save { 1872sub unlink_save {
1366 my ($self) = @_; 1873 my ($self) = @_;
1367 1874
1368 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1372 1879
1373sub load_header_from($) { 1880sub load_header_from($) {
1374 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1375 1882
1376 utf8::encode $path; 1883 utf8::encode $path;
1377 #aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1378 # or return;
1379
1380 $self->_load_header ($path)
1381 or return; 1885 or return;
1886
1887 $self->_load_header ($f)
1888 or return;
1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1382 1892
1383 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1384 1894
1385 1 1895 1
1386} 1896}
1425 $self->load_header_orig 1935 $self->load_header_orig
1426 or return; 1936 or return;
1427 $self->prepare_orig; 1937 $self->prepare_orig;
1428 } 1938 }
1429 1939
1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1942
1430 $self->default_region (cf::region::find_by_path $self->{path}) 1943 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 1944 unless $self->default_region;
1432 1945
1433 1 1946 1
1434} 1947}
1437sub find { 1950sub find {
1438 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1439 1952
1440 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1441 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1442 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1443 1957
1444 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1445 my $guard = cf::lock_acquire "map_find:$path"; 1959 my $guard1 = cf::lock_acquire "map_find:$path";
1960 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1446 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1447 or return; 1963 or return;
1448 1964
1449 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1450 1966
1451 $map->load_header 1967 $map->load_header
1452 or return; 1968 or return;
1453 1969
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard1;
1974 undef $guard2;
1457 $map->reset; 1975 $map->reset;
1458 undef $guard;
1459 return find $path; 1976 return find $path;
1460 } 1977 }
1461 1978
1462 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1463 } 1980 }
1470 my ($self) = @_; 1987 my ($self) = @_;
1471 1988
1472 local $self->{deny_reset} = 1; # loading can take a long time 1989 local $self->{deny_reset} = 1; # loading can take a long time
1473 1990
1474 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1476 1995
1996 return unless $self->valid;
1477 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1478 1998
1479 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1480 2000
1481 $self->alloc; 2001 $self->alloc;
1482 2002
1483 $self->pre_load; 2003 $self->pre_load;
1484 Coro::cede; 2004 cf::cede_to_tick;
1485 2005
1486 $self->_load_objects ($self->{load_path}, 1) 2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
2008 $self->_load_objects ($f)
1487 or return; 2009 or return;
1488 2010
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1491 2013
1492 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq; 2015 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1495 $self->clear_unique_items; 2018 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1497 } 2022 }
1498 } 2023 }
1499 2024
1500 Coro::cede; 2025 $f->resolve_delayed_derefs;
2026
2027 cf::cede_to_tick;
1501 # now do the right thing for maps 2028 # now do the right thing for maps
1502 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($self->{deny_activate}) {
1506 $self->decay_objects;
1507 $self->fix_auto_apply;
1508 $self->update_buttons;
1509 Coro::cede;
1510 $self->set_darkness_map;
1511 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 2031 unless $self->difficulty;
1513 Coro::cede; 2032 cf::cede_to_tick;
2033
2034 unless ($self->{deny_activate}) {
2035 $self->decay_objects;
2036 $self->fix_auto_apply;
2037 $self->update_buttons;
2038 cf::cede_to_tick;
2039 $self->set_darkness_map;
2040 cf::cede_to_tick;
1514 $self->activate; 2041 $self->activate;
1515 Coro::cede; 2042 }
2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
2047 $self->in_memory (cf::MAP_IN_MEMORY);
1516 } 2048 }
1517 2049
1518 $self->post_load; 2050 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 2051}
1523 2052
1524sub customise_for { 2053sub customise_for {
1525 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1526 2055
1527 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 2057 if $self->per_player;
1529 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1530 $self 2062 $self
1531} 2063}
1532 2064
1533# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1534sub load_diag { 2066sub load_neighbours {
1535 my ($map) = @_; 2067 my ($map) = @_;
1536 2068
1537 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1538 2070
1539 for (0 .. 3) { 2071 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1541 or next; 2073 or next;
1542 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1543 or next; 2075 or next;
1544 $neigh->load; 2076 $neigh->load;
1545 2077
2078 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 2081 }
1549 2082
1550 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1552 or next; 2086 or next;
1553 $neigh->load; 2087 $neigh->load;
1554 } 2088 }
1555} 2089}
1556 2090
1561} 2095}
1562 2096
1563sub do_load_sync { 2097sub do_load_sync {
1564 my ($map) = @_; 2098 my ($map) = @_;
1565 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1566 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1567} 2104}
1568 2105
1569our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 2107our $MAP_PREFETCHER = undef;
1571 2108
1572sub find_async { 2109sub find_async {
1573 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1574 2111
1575 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1576 2113
1577 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579 } 2116 }
1580 2117
1581 undef $MAP_PREFETCH{$path}; 2118 $MAP_PREFETCH{$path} |= $load;
2119
1582 $MAP_PREFETCHER ||= cf::async { 2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
1583 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 2125 if (my $map = find $k) {
1586 or next;
1587 $map->load; 2126 $map->load if $v;
2127 }
1588 2128
1589 delete $MAP_PREFETCH{$path}; 2129 delete $MAP_PREFETCH{$k};
1590 } 2130 }
1591 } 2131 }
1592 undef $MAP_PREFETCHER; 2132 undef $MAP_PREFETCHER;
1593 }; 2133 };
1594 $MAP_PREFETCHER->prio (6); 2134 $MAP_PREFETCHER->prio (6);
1597} 2137}
1598 2138
1599sub save { 2139sub save {
1600 my ($self) = @_; 2140 my ($self) = @_;
1601 2141
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2143
1604 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1605 2145
1606 return unless $self->dirty; 2146 return unless $self->dirty;
1607 2147
1613 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1614 2154
1615 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1616 2156
1617 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1618 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1619 }; 2160 };
1620 2161
1621 if ($uniq) { 2162 if ($uniq) {
1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2163 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1630 my ($self) = @_; 2171 my ($self) = @_;
1631 2172
1632 # save first because save cedes 2173 # save first because save cedes
1633 $self->save; 2174 $self->save;
1634 2175
1635 my $lock = cf::lock_acquire "map_data:" . $self->path; 2176 my $lock = cf::lock_acquire "map_data:$self->{path}";
1636 2177
1637 return if $self->players; 2178 return if $self->players;
1638 return if $self->in_memory != cf::MAP_IN_MEMORY; 2179 return if $self->in_memory != cf::MAP_IN_MEMORY;
1639 return if $self->{deny_save}; 2180 return if $self->{deny_save};
1640 2181
2182 $self->in_memory (cf::MAP_SWAPPED);
2183
2184 $self->deactivate;
2185 $_->clear_links_to ($self) for values %cf::MAP;
1641 $self->clear; 2186 $self->clear;
1642 $self->in_memory (cf::MAP_SWAPPED);
1643} 2187}
1644 2188
1645sub reset_at { 2189sub reset_at {
1646 my ($self) = @_; 2190 my ($self) = @_;
1647 2191
1648 # TODO: safety, remove and allow resettable per-player maps 2192 # 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}; 2193 return 1e99 if $self->{deny_reset};
1651 2194
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2195 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2196 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2197
1665 my ($self) = @_; 2208 my ($self) = @_;
1666 2209
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2211
1669 return if $self->players; 2212 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2213
1672 warn "resetting map ", $self->path;#d# 2214 warn "resetting map ", $self->path;
1673 2215
1674 $self->in_memory (cf::MAP_SWAPPED); 2216 $self->in_memory (cf::MAP_SWAPPED);
1675 2217
1676 # need to save uniques path 2218 # need to save uniques path
1677 unless ($self->{deny_save}) { 2219 unless ($self->{deny_save}) {
1681 if $uniq; 2223 if $uniq;
1682 } 2224 }
1683 2225
1684 delete $cf::MAP{$self->path}; 2226 delete $cf::MAP{$self->path};
1685 2227
2228 $self->deactivate;
2229 $_->clear_links_to ($self) for values %cf::MAP;
1686 $self->clear; 2230 $self->clear;
1687
1688 $_->clear_links_to ($self) for values %cf::MAP;
1689 2231
1690 $self->unlink_save; 2232 $self->unlink_save;
1691 $self->destroy; 2233 $self->destroy;
1692} 2234}
1693 2235
1694my $nuke_counter = "aaaa"; 2236my $nuke_counter = "aaaa";
1695 2237
1696sub nuke { 2238sub nuke {
1697 my ($self) = @_; 2239 my ($self) = @_;
1698 2240
2241 {
2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
2243
1699 delete $cf::MAP{$self->path}; 2244 delete $cf::MAP{$self->path};
1700 2245
1701 $self->unlink_save; 2246 $self->unlink_save;
1702 2247
1703 bless $self, "cf::map"; 2248 bless $self, "cf::map";
1704 delete $self->{deny_reset}; 2249 delete $self->{deny_reset};
1705 $self->{deny_save} = 1; 2250 $self->{deny_save} = 1;
1706 $self->reset_timeout (1); 2251 $self->reset_timeout (1);
1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2252 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708 2253
1709 $cf::MAP{$self->path} = $self; 2254 $cf::MAP{$self->path} = $self;
2255 }
1710 2256
1711 $self->reset; # polite request, might not happen 2257 $self->reset; # polite request, might not happen
2258}
2259
2260=item $maps = cf::map::tmp_maps
2261
2262Returns an arrayref with all map paths of currently instantiated and saved
2263maps. May block.
2264
2265=cut
2266
2267sub tmp_maps() {
2268 [
2269 map {
2270 utf8::decode $_;
2271 /\.map$/
2272 ? normalise $_
2273 : ()
2274 } @{ aio_readdir $TMPDIR or [] }
2275 ]
2276}
2277
2278=item $maps = cf::map::random_maps
2279
2280Returns an arrayref with all map paths of currently instantiated and saved
2281random maps. May block.
2282
2283=cut
2284
2285sub random_maps() {
2286 [
2287 map {
2288 utf8::decode $_;
2289 /\.map$/
2290 ? normalise "?random/$_"
2291 : ()
2292 } @{ aio_readdir $RANDOMDIR or [] }
2293 ]
1712} 2294}
1713 2295
1714=item cf::map::unique_maps 2296=item cf::map::unique_maps
1715 2297
1716Returns an arrayref of paths of all shared maps that have 2298Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2299instantiated unique items. May block.
1718 2300
1719=cut 2301=cut
1720 2302
1721sub unique_maps() { 2303sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2304 [
1723 or return; 2305 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2306 utf8::decode $_;
1729 next if /\.pst$/; 2307 /\.map$/
1730 next unless /^$PATH_SEP/o; 2308 ? normalise $_
1731 2309 : ()
1732 push @paths, cf::map::normalise $_; 2310 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2311 ]
1734
1735 \@paths
1736} 2312}
1737 2313
1738package cf; 2314package cf;
1739 2315
1740=back 2316=back
1758 map { $_, inv_recursive_ $_->inv } @_ 2334 map { $_, inv_recursive_ $_->inv } @_
1759} 2335}
1760 2336
1761sub inv_recursive { 2337sub inv_recursive {
1762 inv_recursive_ inv $_[0] 2338 inv_recursive_ inv $_[0]
2339}
2340
2341=item $ref = $ob->ref
2342
2343creates and returns a persistent reference to an objetc that can be stored as a string.
2344
2345=item $ob = cf::object::deref ($refstring)
2346
2347returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348even if the object actually exists. May block.
2349
2350=cut
2351
2352sub deref {
2353 my ($ref) = @_;
2354
2355 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2356 my ($uuid, $name) = ($1, $2);
2357 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2358 or return;
2359 $pl->ob->uuid eq $uuid
2360 or return;
2361
2362 $pl->ob
2363 } else {
2364 warn "$ref: cannot resolve object reference\n";
2365 undef
2366 }
1763} 2367}
1764 2368
1765package cf; 2369package cf;
1766 2370
1767=back 2371=back
1786 2390
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2391 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2392
1789 if ($self->{record_replies}) { 2393 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2394 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2395
1791 } else { 2396 } else {
2397 my $pl = $self->contr;
2398
2399 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2400 my $dialog = $pl->{npc_dialog};
2401 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402
2403 } else {
1792 $msg = $npc->name . " says: $msg" if $npc; 2404 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2405 $self->message ($msg, $flags);
2406 }
1794 } 2407 }
2408}
2409
2410=item $object->send_msg ($channel, $msg, $color, [extra...])
2411
2412=cut
2413
2414sub cf::object::send_msg {
2415 my $pl = shift->contr
2416 or return;
2417 $pl->send_msg (@_);
1795} 2418}
1796 2419
1797=item $player_object->may ("access") 2420=item $player_object->may ("access")
1798 2421
1799Returns wether the given player is authorized to access resource "access" 2422Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2469 $self->deactivate_recursive;
1847 2470
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2471 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2472
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2473 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2474 if $self->map && $self->map->{path} ne "{link}";
1852 2475
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2476 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2477}
1855 2478
1856sub cf::object::player::leave_link { 2479sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2480 my ($self, $map, $x, $y) = @_;
2481
2482 return unless $self->contr->active;
1858 2483
1859 my $link_pos = delete $self->{_link_pos}; 2484 my $link_pos = delete $self->{_link_pos};
1860 2485
1861 unless ($map) { 2486 unless ($map) {
1862 # restore original map position 2487 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2501 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2502 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2503 if $x <=0 && $y <= 0;
1879 2504
1880 $map->load; 2505 $map->load;
1881 $map->load_diag; 2506 $map->load_neighbours;
1882 2507
1883 return unless $self->contr->active; 2508 return unless $self->contr->active;
1884 $self->activate_recursive; 2509 $self->activate_recursive;
1885 2510
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2511 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2512 $self->enter_map ($map, $x, $y);
1888} 2513}
1889 2514
1890cf::player->attach ( 2515=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2516
1894 # abort map switching before logout 2517Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2518her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2519that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2520the new (success) or old (failed) map position. In either case, $done will
1898 }; 2521be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2522
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 2523=cut
2524
2525our $GOTOGEN;
1925 2526
1926sub cf::object::player::goto { 2527sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2528 my ($self, $path, $x, $y, $check, $done) = @_;
2529
2530 # do generation counting so two concurrent goto's will be executed in-order
2531 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2532
1929 $self->enter_link; 2533 $self->enter_link;
1930 2534
1931 (async { 2535 (async {
2536 $Coro::current->{desc} = "player::goto $path $x $y";
2537
2538 # *tag paths override both path and x|y
2539 if ($path =~ /^\*(.*)$/) {
2540 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2541 my $ob = $obs[rand @obs];
2542
2543 # see if we actually can go there
2544 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2545 $ob = $obs[rand @obs];
2546 } else {
2547 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2548 }
2549 # else put us there anyways for now #d#
2550
2551 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2552 } else {
2553 ($path, $x, $y) = (undef, undef, undef);
2554 }
2555 }
2556
1932 my $map = eval { 2557 my $map = eval {
1933 my $map = cf::map::find $path; 2558 my $map = defined $path ? cf::map::find $path : undef;
2559
2560 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2561 $map = $map->customise_for ($self);
2562 $map = $check->($map) if $check && $map;
2563 } else {
2564 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566
1935 $map 2567 $map
2568 };
2569
2570 if ($@) {
2571 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2572 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2573 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2574
2575 if ($gen == $self->{_goto_generation}) {
2576 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2577 $self->leave_link ($map, $x, $y);
2578 }
2579
2580 $done->() if $done;
1940 })->prio (1); 2581 })->prio (1);
1941} 2582}
1942 2583
1943=item $player_object->enter_exit ($exit_object) 2584=item $player_object->enter_exit ($exit_object)
1944 2585
1983 2624
1984 $rmp->{random_seed} ||= $exit->random_seed; 2625 $rmp->{random_seed} ||= $exit->random_seed;
1985 2626
1986 my $data = cf::to_json $rmp; 2627 my $data = cf::to_json $rmp;
1987 my $md5 = Digest::MD5::md5_hex $data; 2628 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2629 my $meta = "$RANDOMDIR/$md5.meta";
1989 2630
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2631 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2632 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2633 undef $fh;
1993 aio_rename "$meta~", $meta; 2634 aio_rename "$meta~", $meta;
2013 my $hp = $exit->stats->hp; 2654 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp; 2655 my $sp = $exit->stats->sp;
2015 2656
2016 $self->enter_link; 2657 $self->enter_link;
2017 2658
2659 # if exit is damned, update players death & WoR home-position
2660 $self->contr->savebed ($slaying, $hp, $sp)
2661 if $exit->flag (FLAG_DAMNED);
2662
2018 (async { 2663 (async {
2664 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2665
2019 $self->deactivate_recursive; # just to be sure 2666 $self->deactivate_recursive; # just to be sure
2020 unless (eval { 2667 unless (eval {
2021 $self->goto ($slaying, $hp, $sp); 2668 $self->goto ($slaying, $hp, $sp);
2022 2669
2023 1; 2670 1;
2049 2696
2050 utf8::encode $text; 2697 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2698 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2699}
2053 2700
2701=item $client->send_msg ($channel, $msg, $color, [extra...])
2702
2703Send a drawinfo or msg packet to the client, formatting the msg for the
2704client if neccessary. C<$type> should be a string identifying the type of
2705the message, with C<log> being the default. If C<$color> is negative, suppress
2706the message unless the client supports the msg packet.
2707
2708=cut
2709
2710# non-persistent channels (usually the info channel)
2711our %CHANNEL = (
2712 "c/identify" => {
2713 id => "infobox",
2714 title => "Identify",
2715 reply => undef,
2716 tooltip => "Items recently identified",
2717 },
2718 "c/examine" => {
2719 id => "infobox",
2720 title => "Examine",
2721 reply => undef,
2722 tooltip => "Signs and other items you examined",
2723 },
2724 "c/book" => {
2725 id => "infobox",
2726 title => "Book",
2727 reply => undef,
2728 tooltip => "The contents of a note or book",
2729 },
2730 "c/lookat" => {
2731 id => "infobox",
2732 title => "Look",
2733 reply => undef,
2734 tooltip => "What you saw there",
2735 },
2736 "c/who" => {
2737 id => "infobox",
2738 title => "Players",
2739 reply => undef,
2740 tooltip => "Shows players who are currently online",
2741 },
2742 "c/body" => {
2743 id => "infobox",
2744 title => "Body Parts",
2745 reply => undef,
2746 tooltip => "Shows which body parts you posess and are available",
2747 },
2748 "c/uptime" => {
2749 id => "infobox",
2750 title => "Uptime",
2751 reply => undef,
2752 tooltip => "How long the server has been running since last restart",
2753 },
2754 "c/mapinfo" => {
2755 id => "infobox",
2756 title => "Map Info",
2757 reply => undef,
2758 tooltip => "Information related to the maps",
2759 },
2760);
2761
2762sub cf::client::send_msg {
2763 my ($self, $channel, $msg, $color, @extra) = @_;
2764
2765 $msg = $self->pl->expand_cfpod ($msg);
2766
2767 $color &= cf::NDI_CLIENT_MASK; # just in case...
2768
2769 # check predefined channels, for the benefit of C
2770 if ($CHANNEL{$channel}) {
2771 $channel = $CHANNEL{$channel};
2772
2773 $self->ext_msg (channel_info => $channel)
2774 if $self->can_msg;
2775
2776 $channel = $channel->{id};
2777
2778 } elsif (ref $channel) {
2779 # send meta info to client, if not yet sent
2780 unless (exists $self->{channel}{$channel->{id}}) {
2781 $self->{channel}{$channel->{id}} = $channel;
2782 $self->ext_msg (channel_info => $channel)
2783 if $self->can_msg;
2784 }
2785
2786 $channel = $channel->{id};
2787 }
2788
2789 return unless @extra || length $msg;
2790
2791 if ($self->can_msg) {
2792 # default colour, mask it out
2793 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794 if $color & cf::NDI_DEF;
2795
2796 $self->send_packet ("msg " . $self->{json_coder}->encode (
2797 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2798 } else {
2799 if ($color >= 0) {
2800 # replace some tags by gcfclient-compatible ones
2801 for ($msg) {
2802 1 while
2803 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808 }
2809
2810 $color &= cf::NDI_COLOR_MASK;
2811
2812 utf8::encode $msg;
2813
2814 if (0 && $msg =~ /\[/) {
2815 # COMMAND/INFO
2816 $self->send_packet ("drawextinfo $color 10 8 $msg")
2817 } else {
2818 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819 $self->send_packet ("drawinfo $color $msg")
2820 }
2821 }
2822 }
2823}
2824
2054=item $client->ext_event ($type, %msg) 2825=item $client->ext_msg ($type, @msg)
2055 2826
2056Sends an exti event to the client. 2827Sends an ext event to the client.
2057 2828
2058=cut 2829=cut
2059 2830
2060sub cf::client::ext_event($$%) { 2831sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2832 my ($self, $type, @msg) = @_;
2062 2833
2834 if ($self->extcmd == 2) {
2835 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2837 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2838 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839 }
2840}
2841
2842=item $client->ext_reply ($msgid, @msg)
2843
2844Sends an ext reply to the client.
2845
2846=cut
2847
2848sub cf::client::ext_reply($$@) {
2849 my ($self, $id, @msg) = @_;
2850
2851 if ($self->extcmd == 2) {
2852 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853 } elsif ($self->extcmd == 1) {
2854 #TODO: version 1, remove
2855 unshift @msg, msgtype => "reply", msgid => $id;
2856 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857 }
2065} 2858}
2066 2859
2067=item $success = $client->query ($flags, "text", \&cb) 2860=item $success = $client->query ($flags, "text", \&cb)
2068 2861
2069Queues a query to the client, calling the given callback with 2862Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2863the 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>. 2864C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2865
2073Queries can fail, so check the return code. Or don't, as queries will become 2866Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2867become reliable at some point in the future.
2075 2868
2076=cut 2869=cut
2077 2870
2078sub cf::client::query { 2871sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2872 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2880 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2881 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2882
2090 $self->send_packet ($self->{query_queue}[0][0]) 2883 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2884 if @{ $self->{query_queue} } == 1;
2885
2886 1
2092} 2887}
2093 2888
2094cf::client->attach ( 2889cf::client->attach (
2890 on_connect => sub {
2891 my ($ns) = @_;
2892
2893 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2894 },
2095 on_reply => sub { 2895 on_reply => sub {
2096 my ($ns, $msg) = @_; 2896 my ($ns, $msg) = @_;
2097 2897
2098 # this weird shuffling is so that direct followup queries 2898 # this weird shuffling is so that direct followup queries
2099 # get handled first 2899 # get handled first
2111 } else { 2911 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2912 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 2913 }
2114 } 2914 }
2115 }, 2915 },
2916 on_exticmd => sub {
2917 my ($ns, $buf) = @_;
2918
2919 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2920
2921 if (ref $msg) {
2922 my ($type, $reply, @payload) =
2923 "ARRAY" eq ref $msg
2924 ? @$msg
2925 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2926
2927 my @reply;
2928
2929 if (my $cb = $EXTICMD{$type}) {
2930 @reply = $cb->($ns, @payload);
2931 }
2932
2933 $ns->ext_reply ($reply, @reply)
2934 if $reply;
2935
2936 } else {
2937 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2938 }
2939
2940 cf::override;
2941 },
2116); 2942);
2117 2943
2118=item $client->async (\&cb) 2944=item $client->async (\&cb)
2119 2945
2120Create a new coroutine, running the specified callback. The coroutine will 2946Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 2987our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 2988our $safe_hole = new Safe::Hole;
2163 2989
2164$SIG{FPE} = 'IGNORE'; 2990$SIG{FPE} = 'IGNORE';
2165 2991
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2992$safe->permit_only (Opcode::opset qw(
2993 :base_core :base_mem :base_orig :base_math
2994 grepstart grepwhile mapstart mapwhile
2995 sort time
2996));
2167 2997
2168# here we export the classes and methods available to script code 2998# here we export the classes and methods available to script code
2169 2999
2170=pod 3000=pod
2171 3001
2172The following functions and methods are available within a safe environment: 3002The following functions and methods are available within a safe environment:
2173 3003
2174 cf::object contr pay_amount pay_player map 3004 cf::object
3005 contr pay_amount pay_player map x y force_find force_add destroy
3006 insert remove name archname title slaying race decrease_ob_nr
3007
2175 cf::object::player player 3008 cf::object::player
2176 cf::player peaceful 3009 player
2177 cf::map trigger 3010
3011 cf::player
3012 peaceful
3013
3014 cf::map
3015 trigger
2178 3016
2179=cut 3017=cut
2180 3018
2181for ( 3019for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 3020 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021 insert remove inv name archname title slaying race
3022 decrease_ob_nr destroy)],
2183 ["cf::object::player" => qw(player)], 3023 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 3024 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 3025 ["cf::map" => qw(trigger)],
2186) { 3026) {
2187 no strict 'refs'; 3027 no strict 'refs';
2258=back 3098=back
2259 3099
2260=cut 3100=cut
2261 3101
2262############################################################################# 3102#############################################################################
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 3103# the server's init and main functions
2336 3104
2337sub load_facedata($) { 3105sub load_facedata($) {
2338 my ($path) = @_; 3106 my ($path) = @_;
3107
3108 # HACK to clear player env face cache, we need some signal framework
3109 # for this (global event?)
3110 %ext::player_env::MUSIC_FACE_CACHE = ();
3111
3112 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339 3113
2340 warn "loading facedata from $path\n"; 3114 warn "loading facedata from $path\n";
2341 3115
2342 my $facedata; 3116 my $facedata;
2343 0 < aio_load $path, $facedata 3117 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 3120 $facedata = Coro::Storable::thaw $facedata;
2347 3121
2348 $facedata->{version} == 2 3122 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 3123 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 3124
3125 # patch in the exptable
3126 $facedata->{resource}{"res/exp_table"} = {
3127 type => FT_RSRC,
3128 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3129 };
3130 cf::cede_to_tick;
3131
2351 { 3132 {
2352 my $faces = $facedata->{faceinfo}; 3133 my $faces = $facedata->{faceinfo};
2353 3134
2354 while (my ($face, $info) = each %$faces) { 3135 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3136 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3137 cf::face::set_visibility $idx, $info->{visibility};
3138 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3139 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3140 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 3141
3142 cf::cede_to_tick;
2360 } 3143 }
2361 3144
2362 while (my ($face, $info) = each %$faces) { 3145 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 3146 next unless $info->{smooth};
2364 my $idx = cf::face::find $face 3147 my $idx = cf::face::find $face
2365 or next; 3148 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) { 3149 if (my $smooth = cf::face::find $info->{smooth}) {
3150 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3151 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 3152 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3153 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 3154 }
2371 Coro::cede; 3155
3156 cf::cede_to_tick;
2372 } 3157 }
2373 } 3158 }
2374 3159
2375 { 3160 {
2376 my $anims = $facedata->{animinfo}; 3161 my $anims = $facedata->{animinfo};
2377 3162
2378 while (my ($anim, $info) = each %$anims) { 3163 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3164 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 3165 cf::cede_to_tick;
2381 } 3166 }
2382 3167
2383 cf::anim::invalidate_all; # d'oh 3168 cf::anim::invalidate_all; # d'oh
2384 } 3169 }
2385 3170
3171 {
3172 # TODO: for gcfclient pleasure, we should give resources
3173 # that gcfclient doesn't grok a >10000 face index.
3174 my $res = $facedata->{resource};
3175
3176 my $soundconf = delete $res->{"res/sound.conf"};
3177
3178 while (my ($name, $info) = each %$res) {
3179 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180 my $data;
3181
3182 if ($info->{type} & 1) {
3183 # prepend meta info
3184
3185 my $meta = $enc->encode ({
3186 name => $name,
3187 %{ $info->{meta} || {} },
3188 });
3189
3190 $data = pack "(w/a*)*", $meta, $info->{data};
3191 } else {
3192 $data = $info->{data};
3193 }
3194
3195 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196 cf::face::set_type $idx, $info->{type};
3197
3198 cf::cede_to_tick;
3199 }
3200
3201 if ($soundconf) {
3202 $soundconf = $enc->decode (delete $soundconf->{data});
3203
3204 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205 my $sound = $soundconf->{compat}[$_]
3206 or next;
3207
3208 my $face = cf::face::find "sound/$sound->[1]";
3209 cf::sound::set $sound->[0] => $face;
3210 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211 }
3212
3213 while (my ($k, $v) = each %{$soundconf->{event}}) {
3214 my $face = cf::face::find "sound/$v";
3215 cf::sound::set $k => $face;
3216 }
3217 }
3218 }
3219
2386 1 3220 1
2387} 3221}
2388 3222
3223register_exticmd fx_want => sub {
3224 my ($ns, $want) = @_;
3225
3226 while (my ($k, $v) = each %$want) {
3227 $ns->fx_want ($k, $v);
3228 }
3229};
3230
3231sub reload_regions {
3232 # HACK to clear player env face cache, we need some signal framework
3233 # for this (global event?)
3234 %ext::player_env::MUSIC_FACE_CACHE = ();
3235
3236 load_resource_file "$MAPDIR/regions"
3237 or die "unable to load regions file\n";
3238
3239 for (cf::region::list) {
3240 $_->{match} = qr/$_->{match}/
3241 if exists $_->{match};
3242 }
3243}
3244
2389sub reload_facedata { 3245sub reload_facedata {
2390 load_facedata sprintf "%s/facedata", cf::datadir 3246 load_facedata "$DATADIR/facedata"
2391 or die "unable to load facedata\n"; 3247 or die "unable to load facedata\n";
2392} 3248}
2393 3249
2394sub reload_regions {
2395 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396 or die "unable to load regions file\n";
2397}
2398
2399sub reload_archetypes { 3250sub reload_archetypes {
2400 load_archetype_file sprintf "%s/archetypes", cf::datadir 3251 load_resource_file "$DATADIR/archetypes"
2401 or die "unable to load archetypes\n"; 3252 or die "unable to load archetypes\n";
3253 #d# NEED to laod twice to resolve forward references
3254 # this really needs to be done in an extra post-pass
3255 # (which needs to be synchronous, so solve it differently)
3256 load_resource_file "$DATADIR/archetypes"
3257 or die "unable to load archetypes\n";
2402} 3258}
2403 3259
2404sub reload_treasures { 3260sub reload_treasures {
2405 load_treasure_file sprintf "%s/treasures", cf::datadir 3261 load_resource_file "$DATADIR/treasures"
2406 or die "unable to load treasurelists\n"; 3262 or die "unable to load treasurelists\n";
2407} 3263}
2408 3264
2409sub reload_resources { 3265sub reload_resources {
2410 warn "reloading resource files...\n"; 3266 warn "reloading resource files...\n";
2411 3267
2412 reload_regions; 3268 reload_regions;
2413 reload_facedata; 3269 reload_facedata;
3270 #reload_archetypes;#d#
2414 reload_archetypes; 3271 reload_archetypes;
2415 reload_treasures; 3272 reload_treasures;
2416 3273
2417 warn "finished reloading resource files\n"; 3274 warn "finished reloading resource files\n";
2418} 3275}
2419 3276
2420sub init { 3277sub init {
2421 reload_resources; 3278 reload_resources;
2422} 3279}
2423 3280
2424sub cfg_load { 3281sub reload_config {
2425 open my $fh, "<:utf8", cf::confdir . "/config" 3282 open my $fh, "<:utf8", "$CONFDIR/config"
2426 or return; 3283 or return;
2427 3284
2428 local $/; 3285 local $/;
2429 *CFG = YAML::Syck::Load <$fh>; 3286 *CFG = YAML::Syck::Load <$fh>;
2430 3287
2445sub main { 3302sub main {
2446 # we must not ever block the main coroutine 3303 # we must not ever block the main coroutine
2447 local $Coro::idle = sub { 3304 local $Coro::idle = sub {
2448 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3305 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449 (async { 3306 (async {
3307 $Coro::current->{desc} = "IDLE BUG HANDLER";
2450 Event::one_event; 3308 Event::one_event;
2451 })->prio (Coro::PRIO_MAX); 3309 })->prio (Coro::PRIO_MAX);
2452 }; 3310 };
2453 3311
2454 cfg_load; 3312 reload_config;
2455 db_init; 3313 db_init;
2456 load_extensions; 3314 load_extensions;
2457 3315
2458 $TICK_WATCHER->start; 3316 $TICK_WATCHER->start;
2459 Event::loop; 3317 Event::loop;
2475 }, 3333 },
2476 ); 3334 );
2477 } 3335 }
2478} 3336}
2479 3337
3338sub write_runtime {
3339 my $runtime = "$LOCALDIR/runtime";
3340
3341 # first touch the runtime file to show we are still running:
3342 # the fsync below can take a very very long time.
3343
3344 IO::AIO::aio_utime $runtime, undef, undef;
3345
3346 my $guard = cf::lock_acquire "write_runtime";
3347
3348 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3349 or return;
3350
3351 my $value = $cf::RUNTIME + 90 + 10;
3352 # 10 is the runtime save interval, for a monotonic clock
3353 # 60 allows for the watchdog to kill the server.
3354
3355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3356 and return;
3357
3358 # always fsync - this file is important
3359 aio_fsync $fh
3360 and return;
3361
3362 # touch it again to show we are up-to-date
3363 aio_utime $fh, undef, undef;
3364
3365 close $fh
3366 or return;
3367
3368 aio_rename "$runtime~", $runtime
3369 and return;
3370
3371 warn "runtime file written.\n";
3372
3373 1
3374}
3375
2480sub emergency_save() { 3376sub emergency_save() {
2481 my $freeze_guard = cf::freeze_mainloop; 3377 my $freeze_guard = cf::freeze_mainloop;
2482 3378
2483 warn "enter emergency perl save\n"; 3379 warn "enter emergency perl save\n";
2484 3380
2488 # and maps saved/destroyed asynchronously. 3384 # and maps saved/destroyed asynchronously.
2489 warn "begin emergency player save\n"; 3385 warn "begin emergency player save\n";
2490 for my $login (keys %cf::PLAYER) { 3386 for my $login (keys %cf::PLAYER) {
2491 my $pl = $cf::PLAYER{$login} or next; 3387 my $pl = $cf::PLAYER{$login} or next;
2492 $pl->valid or next; 3388 $pl->valid or next;
3389 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493 $pl->save; 3390 $pl->save;
2494 } 3391 }
2495 warn "end emergency player save\n"; 3392 warn "end emergency player save\n";
2496 3393
2497 warn "begin emergency map save\n"; 3394 warn "begin emergency map save\n";
2545 3442
2546 warn "flushing outstanding aio requests"; 3443 warn "flushing outstanding aio requests";
2547 for (;;) { 3444 for (;;) {
2548 BDB::flush; 3445 BDB::flush;
2549 IO::AIO::flush; 3446 IO::AIO::flush;
2550 Coro::cede; 3447 Coro::cede_notself;
2551 last unless IO::AIO::nreqs || BDB::nreqs; 3448 last unless IO::AIO::nreqs || BDB::nreqs;
2552 warn "iterate..."; 3449 warn "iterate...";
2553 } 3450 }
2554 3451
2555 ++$RELOAD; 3452 ++$RELOAD;
2559 %EXT_CORO = (); 3456 %EXT_CORO = ();
2560 3457
2561 warn "removing commands"; 3458 warn "removing commands";
2562 %COMMAND = (); 3459 %COMMAND = ();
2563 3460
2564 warn "removing ext commands"; 3461 warn "removing ext/exti commands";
2565 %EXTCMD = (); 3462 %EXTCMD = ();
3463 %EXTICMD = ();
2566 3464
2567 warn "unloading/nuking all extensions"; 3465 warn "unloading/nuking all extensions";
2568 for my $pkg (@EXTS) { 3466 for my $pkg (@EXTS) {
2569 warn "... unloading $pkg"; 3467 warn "... unloading $pkg";
2570 3468
2600 Symbol::delete_package "safe::$_" 3498 Symbol::delete_package "safe::$_"
2601 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3499 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602 3500
2603 warn "unloading cf.pm \"a bit\""; 3501 warn "unloading cf.pm \"a bit\"";
2604 delete $INC{"cf.pm"}; 3502 delete $INC{"cf.pm"};
3503 delete $INC{"cf/pod.pm"};
2605 3504
2606 # don't, removes xs symbols, too, 3505 # don't, removes xs symbols, too,
2607 # and global variables created in xs 3506 # and global variables created in xs
2608 #Symbol::delete_package __PACKAGE__; 3507 #Symbol::delete_package __PACKAGE__;
2609 3508
2612 warn "reloading cf.pm"; 3511 warn "reloading cf.pm";
2613 require cf; 3512 require cf;
2614 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3513 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2615 3514
2616 warn "loading config and database again"; 3515 warn "loading config and database again";
2617 cf::cfg_load; 3516 cf::reload_config;
2618 3517
2619 warn "loading extensions"; 3518 warn "loading extensions";
2620 cf::load_extensions; 3519 cf::load_extensions;
2621 3520
2622 warn "reattaching attachments to objects/players"; 3521 warn "reattaching attachments to objects/players";
2658register_command "reload" => sub { 3557register_command "reload" => sub {
2659 my ($who, $arg) = @_; 3558 my ($who, $arg) = @_;
2660 3559
2661 if ($who->flag (FLAG_WIZ)) { 3560 if ($who->flag (FLAG_WIZ)) {
2662 $who->message ("reloading server."); 3561 $who->message ("reloading server.");
3562 async {
3563 $Coro::current->{desc} = "perl_reload";
2663 async { reload_perl }; 3564 reload_perl;
3565 };
2664 } 3566 }
2665}; 3567};
2666 3568
2667unshift @INC, $LIBDIR; 3569unshift @INC, $LIBDIR;
2668 3570
2700 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3602 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701 unless ++$bug_warning > 10; 3603 unless ++$bug_warning > 10;
2702 return; 3604 return;
2703 } 3605 }
2704 3606
2705 $NOW = Event::time; 3607 $NOW = $tick_start = Event::time;
2706 3608
2707 cf::server_tick; # one server iteration 3609 cf::server_tick; # one server iteration
2708 3610
2709 $RUNTIME += $TICK; 3611 $RUNTIME += $TICK;
2710 $NEXT_TICK += $TICK; 3612 $NEXT_TICK += $TICK;
2711 3613
2712 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3614 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713 $NEXT_RUNTIME_WRITE = $NOW + 10; 3615 $NEXT_RUNTIME_WRITE = $NOW + 10;
2714 Coro::async_pool { 3616 Coro::async_pool {
3617 $Coro::current->{desc} = "runtime saver";
2715 write_runtime 3618 write_runtime
2716 or warn "ERROR: unable to write runtime file: $!"; 3619 or warn "ERROR: unable to write runtime file: $!";
2717 }; 3620 };
2718 } 3621 }
2719 3622
2720# my $AFTER = Event::time; 3623 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2721# warn $AFTER - $NOW;#d# 3624 $sig->send;
3625 }
3626 while (my $sig = shift @WAIT_FOR_TICK) {
3627 $sig->send;
3628 }
3629
3630 $NOW = Event::time;
2722 3631
2723 # if we are delayed by four ticks or more, skip them all 3632 # if we are delayed by four ticks or more, skip them all
2724 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3633 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2725 3634
2726 $TICK_WATCHER->at ($NEXT_TICK); 3635 $TICK_WATCHER->at ($NEXT_TICK);
2727 $TICK_WATCHER->start; 3636 $TICK_WATCHER->start;
2728 3637
2729 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3638 $LOAD = ($NOW - $tick_start) / $TICK;
2730 $sig->send; 3639 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2731 }
2732 while (my $sig = shift @WAIT_FOR_TICK) {
2733 $sig->send;
2734 }
2735 3640
2736 _post_tick; 3641 _post_tick;
2737 }, 3642 },
2738); 3643);
2739 3644
2740{ 3645{
3646 BDB::min_parallel 8;
2741 BDB::max_poll_time $TICK * 0.1; 3647 BDB::max_poll_time $TICK * 0.1;
2742 $BDB_POLL_WATCHER = Event->io ( 3648 $BDB_POLL_WATCHER = Event->io (
2743 reentrant => 0, 3649 reentrant => 0,
2744 fd => BDB::poll_fileno, 3650 fd => BDB::poll_fileno,
2745 poll => 'r', 3651 poll => 'r',
2746 prio => 0, 3652 prio => 0,
2747 data => WF_AUTOCANCEL, 3653 data => WF_AUTOCANCEL,
2748 cb => \&BDB::poll_cb, 3654 cb => \&BDB::poll_cb,
2749 ); 3655 );
2750 BDB::min_parallel 8;
2751 3656
2752 BDB::set_sync_prepare { 3657 BDB::set_sync_prepare {
2753 my $status; 3658 my $status;
2754 my $current = $Coro::current; 3659 my $current = $Coro::current;
2755 ( 3660 (
2764 ) 3669 )
2765 }; 3670 };
2766 3671
2767 unless ($DB_ENV) { 3672 unless ($DB_ENV) {
2768 $DB_ENV = BDB::db_env_create; 3673 $DB_ENV = BDB::db_env_create;
3674 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3675 | BDB::LOG_AUTOREMOVE, 1);
3676 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769 3678
2770 cf::sync_job { 3679 cf::sync_job {
2771 eval { 3680 eval {
2772 BDB::db_env_open 3681 BDB::db_env_open
2773 $DB_ENV, 3682 $DB_ENV,
2774 $BDB_ENV_DIR, 3683 $BDBDIR,
2775 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3684 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3685 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777 0666; 3686 0666;
2778 3687
2779 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3688 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782 $DB_ENV->set_lk_detect;
2783 }; 3689 };
2784 3690
2785 cf::cleanup "db_env_open(db): $@" if $@; 3691 cf::cleanup "db_env_open(db): $@" if $@;
2786 }; 3692 };
2787 } 3693 }
3694
3695 $BDB_DEADLOCK_WATCHER = Event->timer (
3696 after => 3,
3697 interval => 1,
3698 hard => 1,
3699 prio => 0,
3700 data => WF_AUTOCANCEL,
3701 cb => sub {
3702 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703 },
3704 );
3705 $BDB_CHECKPOINT_WATCHER = Event->timer (
3706 after => 11,
3707 interval => 60,
3708 hard => 1,
3709 prio => 0,
3710 data => WF_AUTOCANCEL,
3711 cb => sub {
3712 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713 },
3714 );
3715 $BDB_TRICKLE_WATCHER = Event->timer (
3716 after => 5,
3717 interval => 10,
3718 hard => 1,
3719 prio => 0,
3720 data => WF_AUTOCANCEL,
3721 cb => sub {
3722 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723 },
3724 );
2788} 3725}
2789 3726
2790{ 3727{
2791 IO::AIO::min_parallel 8; 3728 IO::AIO::min_parallel 8;
2792 3729
2795 $AIO_POLL_WATCHER = Event->io ( 3732 $AIO_POLL_WATCHER = Event->io (
2796 reentrant => 0, 3733 reentrant => 0,
2797 data => WF_AUTOCANCEL, 3734 data => WF_AUTOCANCEL,
2798 fd => IO::AIO::poll_fileno, 3735 fd => IO::AIO::poll_fileno,
2799 poll => 'r', 3736 poll => 'r',
2800 prio => 6, 3737 prio => 0,
2801 cb => \&IO::AIO::poll_cb, 3738 cb => \&IO::AIO::poll_cb,
2802 ); 3739 );
2803} 3740}
2804 3741
3742my $_log_backtrace;
3743
3744sub _log_backtrace {
3745 my ($msg, @addr) = @_;
3746
3747 $msg =~ s/\n//;
3748
3749 # limit the # of concurrent backtraces
3750 if ($_log_backtrace < 2) {
3751 ++$_log_backtrace;
3752 async {
3753 $Coro::current->{desc} = "abt $msg";
3754
3755 my @bt = fork_call {
3756 @addr = map { sprintf "%x", $_ } @addr;
3757 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3758 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3759 or die "addr2line: $!";
3760
3761 my @funcs;
3762 my @res = <$fh>;
3763 chomp for @res;
3764 while (@res) {
3765 my ($func, $line) = splice @res, 0, 2, ();
3766 push @funcs, "[$func] $line";
3767 }
3768
3769 @funcs
3770 };
3771
3772 LOG llevInfo, "[ABT] $msg\n";
3773 LOG llevInfo, "[ABT] $_\n" for @bt;
3774 --$_log_backtrace;
3775 };
3776 } else {
3777 LOG llevInfo, "[ABT] $msg\n";
3778 LOG llevInfo, "[ABT] [suppressed]\n";
3779 }
3780}
3781
3782# load additional modules
3783use cf::pod;
3784
2805END { cf::emergency_save } 3785END { cf::emergency_save }
2806 3786
28071 37871
2808 3788

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