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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.52 (); 15use Coro 3.64 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
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 2.32 ();
29use Time::HiRes; 33use Time::HiRes;
30use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
31 36
32# configure various modules to our taste 37# configure various modules to our taste
33# 38#
34$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
47our %COMMAND = (); 52our %COMMAND = ();
48our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
49 54
50our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
54 60
55our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
56our @EVENT; 62our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 63
59our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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;
70our %CFG; 87our %CFG;
71 88
72our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 90our $RUNTIME;
74 91
75our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 95
81# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
84binmode STDOUT; 103binmode STDOUT;
85binmode STDERR; 104binmode STDERR;
86 105
87# read virtual server time, if available 106# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
92} 111}
93 112
94mkdir cf::localdir; 113mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 115
101our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
102 117
103sub cf::map::normalise; 118sub cf::map::normalise;
104 119
115=item $cf::RUNTIME 130=item $cf::RUNTIME
116 131
117The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
118every server tick. 133every server tick.
119 134
120=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121 138
122The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
123be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
124 143
125=item $cf::NOW 144=item $cf::NOW
126 145
127The time of the last (current) server tick. 146The time of the last (current) server tick.
128 147
129=item $cf::TICK 148=item $cf::TICK
130 149
131The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
132 161
133=item %cf::CFG 162=item %cf::CFG
134 163
135Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
136from wherever your confdir points to. 165from wherever your confdir points to.
139 168
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
178
144=back 179=back
145 180
146=cut 181=cut
147 182
148BEGIN { 183BEGIN {
149 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 185 my $msg = join "", @_;
151 utf8::encode $msg;
152 186
153 $msg .= "\n" 187 $msg .= "\n"
154 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155 191
156 LOG llevError, $msg; 192 LOG llevError, $msg;
157 }; 193 };
158} 194}
159 195
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 200@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
201@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 202@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166 203
167# we bless all objects into (empty) derived classes to force a method lookup 204# we bless all objects into (empty) derived classes to force a method lookup
168# within the Safe compartment. 205# within the Safe compartment.
169for my $pkg (qw( 206for my $pkg (qw(
170 cf::global cf::attachable 207 cf::global cf::attachable
178} 215}
179 216
180$Event::DIED = sub { 217$Event::DIED = sub {
181 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
182}; 219};
220
221#############################################################################
183 222
184=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
185 224
186=over 4 225=over 4
187 226
206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207 $d 246 $d
208 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
209} 248}
210 249
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
214 251
215Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
216 253
217=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
218 255
219Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
257
258=cut
259
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261
262sub to_json ($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) }
220 264
221=item cf::lock_wait $string 265=item cf::lock_wait $string
222 266
223Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
224 268
227Wait until the given lock is available and then acquires it and returns 271Wait 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, 272a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229for example when the coroutine gets canceled), the lock is automatically 273for example when the coroutine gets canceled), the lock is automatically
230returned. 274returned.
231 275
276Locks are *not* recursive, locking from the same coro twice results in a
277deadlocked coro.
278
232Lock names should begin with a unique identifier (for example, cf::map::find 279Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 280uses map_find and cf::map::load uses map_load).
234 281
282=item $locked = cf::lock_active $string
283
284Return true if the lock is currently active, i.e. somebody has locked it.
285
235=cut 286=cut
236 287
237our %LOCK; 288our %LOCK;
289our %LOCKER;#d#
238 290
239sub lock_wait($) { 291sub lock_wait($) {
240 my ($key) = @_; 292 my ($key) = @_;
293
294 if ($LOCKER{$key} == $Coro::current) {#d#
295 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
296 return;#d#
297 }#d#
241 298
242 # wait for lock, if any 299 # wait for lock, if any
243 while ($LOCK{$key}) { 300 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 301 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 302 Coro::schedule;
251 308
252 # wait, to be sure we are not locked 309 # wait, to be sure we are not locked
253 lock_wait $key; 310 lock_wait $key;
254 311
255 $LOCK{$key} = []; 312 $LOCK{$key} = [];
313 $LOCKER{$key} = $Coro::current;#d#
256 314
257 Coro::guard { 315 Coro::guard {
316 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 317 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 318 $_->ready for @{ delete $LOCK{$key} };
260 } 319 }
320}
321
322sub lock_active($) {
323 my ($key) = @_;
324
325 ! ! $LOCK{$key}
261} 326}
262 327
263sub freeze_mainloop { 328sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 329 return unless $TICK_WATCHER->is_active;
265 330
268 }; 333 };
269 $TICK_WATCHER->stop; 334 $TICK_WATCHER->stop;
270 $guard 335 $guard
271} 336}
272 337
338=item cf::get_slot $time[, $priority[, $name]]
339
340Allocate $time seconds of blocking CPU time at priority C<$priority>:
341This call blocks and returns only when you have at least C<$time> seconds
342of cpu time till the next tick. The slot is only valid till the next cede.
343
344The optional C<$name> can be used to identify the job to run. It might be
345used for statistical purposes and should identify the same time-class.
346
347Useful for short background jobs.
348
349=cut
350
351our @SLOT_QUEUE;
352our $SLOT_QUEUE;
353
354$SLOT_QUEUE->cancel if $SLOT_QUEUE;
355$SLOT_QUEUE = Coro::async {
356 my $signal = new Coro::Signal;
357
358 while () {
359 next_job:
360 my $avail = cf::till_tick;
361 if ($avail > 0.01) {
362 for (0 .. $#SLOT_QUEUE) {
363 if ($SLOT_QUEUE[$_][0] < $avail) {
364 my $job = splice @SLOT_QUEUE, $_, 1, ();
365 $job->[2]->send;
366 Coro::cede;
367 goto next_job;
368 }
369 }
370 }
371
372 if (@SLOT_QUEUE) {
373 # we do not use wait_For_tick() as it returns immediately when tick is inactive
374 push @cf::WAIT_FOR_TICK, $signal;
375 $signal->wait;
376 } else {
377 Coro::schedule;
378 }
379 }
380};
381
382sub get_slot($;$$) {
383 my ($time, $pri, $name) = @_;
384
385 $time = $TICK * .6 if $time > $TICK * .6;
386 my $sig = new Coro::Signal;
387
388 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
389 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
390 $SLOT_QUEUE->ready;
391 $sig->wait;
392}
393
273=item cf::async { BLOCK } 394=item cf::async { BLOCK }
274 395
275Currently the same as Coro::async_pool, meaning you cannot use 396Currently the same as Coro::async_pool, meaning you cannot use
276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 397C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it. 398thing you are allowed to do is call C<prio> on it.
280 401
281BEGIN { *async = \&Coro::async_pool } 402BEGIN { *async = \&Coro::async_pool }
282 403
283=item cf::sync_job { BLOCK } 404=item cf::sync_job { BLOCK }
284 405
285The design of crossfire+ requires that the main coro ($Coro::main) is 406The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 407is 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. 408partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
409acceptable.
288 410
289If it must be done, put the blocking parts into C<sync_job>. This will run 411If 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 412the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 413server will be frozen during this time, so the block should either finish
292fast or be very important. 414fast or be very important.
295 417
296sub sync_job(&) { 418sub sync_job(&) {
297 my ($job) = @_; 419 my ($job) = @_;
298 420
299 if ($Coro::current == $Coro::main) { 421 if ($Coro::current == $Coro::main) {
422 my $time = Event::time;
423
300 # this is the main coro, too bad, we have to block 424 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 425 # till the operation succeeds, freezing the server :/
302 426
303 # TODO: use suspend/resume instead 427 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 428 # (but this is cancel-safe)
315 439
316 while ($busy) { 440 while ($busy) {
317 Coro::cede or Event::one_event; 441 Coro::cede or Event::one_event;
318 } 442 }
319 443
444 $time = Event::time - $time;
445
446 LOG llevError | logBacktrace, Carp::longmess "long sync job"
447 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
448
449 $tick_start += $time; # do not account sync jobs to server load
450
320 wantarray ? @res : $res[0] 451 wantarray ? @res : $res[0]
321 } else { 452 } else {
322 # we are in another coroutine, how wonderful, everything just works 453 # we are in another coroutine, how wonderful, everything just works
323 454
324 $job->() 455 $job->()
343 $EXT_CORO{$coro+0} = $coro; 474 $EXT_CORO{$coro+0} = $coro;
344 475
345 $coro 476 $coro
346} 477}
347 478
348sub write_runtime { 479=item fork_call { }, $args
349 my $guard = cf::lock_acquire "write_runtime";
350 480
351 my $runtime = cf::localdir . "/runtime"; 481Executes the given code block with the given arguments in a seperate
482process, returning the results. Everything must be serialisable with
483Coro::Storable. May, of course, block. Note that the executed sub may
484never block itself or use any form of Event handling.
352 485
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 486=cut
354 or return;
355 487
356 my $value = $cf::RUNTIME + 90 + 10; 488sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 489 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 490
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 491 # we seemingly have to make a local copy of the whole thing,
361 and return; 492 # otherwise perl prematurely frees the stuff :/
493 # TODO: investigate and fix (likely this will be rather laborious)
362 494
363 # always fsync - this file is important 495 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 496 reset_signals;
365 and return; 497 &$cb
498 }, @args;
366 499
367 close $fh 500 wantarray ? @res : $res[-1]
368 or return; 501}
369 502
370 aio_rename "$runtime~", $runtime 503=item $value = cf::db_get $family => $key
371 and return;
372 504
505Returns a single value from the environment database.
506
507=item cf::db_put $family => $key => $value
508
509Stores the given C<$value> in the family. It can currently store binary
510data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
511
512=cut
513
514our $DB;
515
516sub db_init {
517 unless ($DB) {
518 $DB = BDB::db_create $DB_ENV;
519
520 cf::sync_job {
521 eval {
522 $DB->set_flags (BDB::CHKSUM);
523
524 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
525 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
526 cf::cleanup "db_open(db): $!" if $!;
527 };
528 cf::cleanup "db_open(db): $@" if $@;
529 };
373 1 530 }
531}
532
533sub db_get($$) {
534 my $key = "$_[0]/$_[1]";
535
536 cf::sync_job {
537 BDB::db_get $DB, undef, $key, my $data;
538
539 $! ? ()
540 : $data
541 }
542}
543
544sub db_put($$$) {
545 BDB::dbreq_pri 4;
546 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
547}
548
549=item cf::cache $id => [$paths...], $processversion => $process
550
551Generic caching function that returns the value of the resource $id,
552caching and regenerating as required.
553
554This function can block.
555
556=cut
557
558sub cache {
559 my ($id, $src, $processversion, $process) = @_;
560
561 my $meta =
562 join "\x00",
563 $processversion,
564 map {
565 aio_stat $_
566 and Carp::croak "$_: $!";
567
568 ($_, (stat _)[7,9])
569 } @$src;
570
571 my $dbmeta = db_get cache => "$id/meta";
572 if ($dbmeta ne $meta) {
573 # changed, we may need to process
574
575 my @data;
576 my $md5;
577
578 for (0 .. $#$src) {
579 0 <= aio_load $src->[$_], $data[$_]
580 or Carp::croak "$src->[$_]: $!";
581 }
582
583 # if processing is expensive, check
584 # checksum first
585 if (1) {
586 $md5 =
587 join "\x00",
588 $processversion,
589 map {
590 cf::cede_to_tick;
591 ($src->[$_], Digest::MD5::md5_hex $data[$_])
592 } 0.. $#$src;
593
594
595 my $dbmd5 = db_get cache => "$id/md5";
596 if ($dbmd5 eq $md5) {
597 db_put cache => "$id/meta", $meta;
598
599 return db_get cache => "$id/data";
600 }
601 }
602
603 my $t1 = Time::HiRes::time;
604 my $data = $process->(\@data);
605 my $t2 = Time::HiRes::time;
606
607 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
608
609 db_put cache => "$id/data", $data;
610 db_put cache => "$id/md5" , $md5;
611 db_put cache => "$id/meta", $meta;
612
613 return $data;
614 }
615
616 db_get cache => "$id/data"
374} 617}
375 618
376=item cf::datalog type => key => value, ... 619=item cf::datalog type => key => value, ...
377 620
378Log a datalog packet of the given type with the given key-value pairs. 621Log 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") 639attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 640to it. All such attachable objects support the following methods.
398 641
399In the following description, CLASS can be any of C<global>, C<object> 642In 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 643C<player>, C<client> or C<map> (i.e. the attachable objects in
401crossfire+). 644Crossfire TRT).
402 645
403=over 4 646=over 4
404 647
405=item $attachable->attach ($attachment, key => $value...) 648=item $attachable->attach ($attachment, key => $value...)
406 649
569 $registry = $CB_TYPE[$object_type] ||= []; 812 $registry = $CB_TYPE[$object_type] ||= [];
570 813
571 } elsif ($type eq "subtype") { 814 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 815 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 816 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 817 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 818
576 } elsif ($type eq "package") { 819 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 820 my $pkg = shift @arg;
578 821
579 while (my ($name, $id) = each %cb_id) { 822 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 851 _attach $registry, $klass, @attach;
609 } 852 }
610 853
611 $obj->{$name} = \%arg; 854 $obj->{$name} = \%arg;
612 } else { 855 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 856 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 857 }
615 858
616 $obj->{_attachment}{$name} = undef; 859 $obj->{_attachment}{$name} = undef;
617} 860}
618 861
620 if (ref $_[0]) { 863 if (ref $_[0]) {
621 _object_attach @_; 864 _object_attach @_;
622 } else { 865 } else {
623 _attach shift->_attach_registry, @_; 866 _attach shift->_attach_registry, @_;
624 } 867 }
868 _recalc_want;
625}; 869};
626 870
627# all those should be optimised 871# all those should be optimised
628sub cf::attachable::detach { 872sub cf::attachable::detach {
629 my ($obj, $name) = @_; 873 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 876 delete $obj->{_attachment}{$name};
633 reattach ($obj); 877 reattach ($obj);
634 } else { 878 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 879 Carp::croak "cannot, currently, detach class attachments";
636 } 880 }
881 _recalc_want;
637}; 882};
638 883
639sub cf::attachable::attached { 884sub cf::attachable::attached {
640 my ($obj, $name) = @_; 885 my ($obj, $name) = @_;
641 886
656 "; 901 ";
657 die if $@; 902 die if $@;
658} 903}
659 904
660our $override; 905our $override;
661our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 906our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662 907
663sub override { 908sub override {
664 $override = 1; 909 $override = 1;
665 @invoke_results = (); 910 @INVOKE_RESULTS = (@_);
666} 911}
667 912
668sub do_invoke { 913sub do_invoke {
669 my $event = shift; 914 my $event = shift;
670 my $callbacks = shift; 915 my $callbacks = shift;
671 916
672 @invoke_results = (); 917 @INVOKE_RESULTS = ();
673 918
674 local $override; 919 local $override;
675 920
676 for (@$callbacks) { 921 for (@$callbacks) {
677 eval { &{$_->[1]} }; 922 eval { &{$_->[1]} };
694 939
695Generate an object-specific event with the given arguments. 940Generate an object-specific event with the given arguments.
696 941
697This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 942This 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 943removed in future versions), and there is no public API to access override
699results (if you must, access C<@cf::invoke_results> directly). 944results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 945
701=back 946=back
702 947
703=cut 948=cut
704 949
705############################################################################# 950#############################################################################
706# object support 951# object support
952#
953
954sub _can_merge {
955 my ($ob1, $ob2) = @_;
956
957 local $Storable::canonical = 1;
958 my $fob1 = Storable::freeze $ob1;
959 my $fob2 = Storable::freeze $ob2;
960
961 $fob1 eq $fob2
962}
707 963
708sub reattach { 964sub reattach {
709 # basically do the same as instantiate, without calling instantiate 965 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 966 my ($obj) = @_;
711 967
756); 1012);
757 1013
758sub object_freezer_save { 1014sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1015 my ($filename, $rdata, $objs) = @_;
760 1016
1017 my $guard = cf::lock_acquire "io";
1018
761 sync_job { 1019 sync_job {
762 if (length $$rdata) { 1020 if (length $$rdata) {
1021 utf8::decode (my $decname = $filename);
763 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1023 $decname, length $$rdata, scalar @$objs;
765 1024
766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767 chmod SAVE_MODE, $fh; 1026 chmod SAVE_MODE, $fh;
768 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769 aio_fsync $fh if $cf::USE_FSYNC; 1028 aio_fsync $fh if $cf::USE_FSYNC;
788 } 1047 }
789 } else { 1048 } else {
790 aio_unlink $filename; 1049 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
792 } 1051 }
793 } 1052 };
1053
1054 undef $guard;
794} 1055}
795 1056
796sub object_freezer_as_string { 1057sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
798 1059
803 1064
804sub object_thawer_load { 1065sub object_thawer_load {
805 my ($filename) = @_; 1066 my ($filename) = @_;
806 1067
807 my ($data, $av); 1068 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
808 1071
809 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
810 or return; 1073 or return;
811 1074
812 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
814 or return; 1077 or return;
1078
1079 undef $guard;
815 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
816 } 1081 }
817 1082
1083 utf8::decode (my $decname = $filename);
818 warn sprintf "loading %s (%d)\n", 1084 warn sprintf "loading %s (%d,%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1085 $decname, length $data, scalar @{$av || []};
1086
820 return ($data, $av); 1087 ($data, $av)
821} 1088}
1089
1090=head2 COMMAND CALLBACKS
1091
1092=over 4
1093
1094=cut
822 1095
823############################################################################# 1096#############################################################################
824# command handling &c 1097# command handling &c
825 1098
826=item cf::register_command $name => \&callback($ob,$args); 1099=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1112 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1113}
841 1114
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1115=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1116
844Register a callbackf ro execution when the client sends an extcmd packet. 1117Register a callback for execution when the client sends an (synchronous)
1118extcmd packet. Ext commands will be processed in the order they are
1119received by the server, like other user commands. The first argument is
1120the logged-in player. Ext commands can only be processed after a player
1121has logged in successfully.
845 1122
846If the callback returns something, it is sent back as if reply was being 1123If the callback returns something, it is sent back as if reply was being
847called. 1124called.
848 1125
1126=item cf::register_exticmd $name => \&callback($ns,$packet);
1127
1128Register a callback for execution when the client sends an (asynchronous)
1129exticmd packet. Exti commands are processed by the server as soon as they
1130are received, i.e. out of order w.r.t. other commands. The first argument
1131is a client socket. Exti commands can be received anytime, even before
1132log-in.
1133
1134If the callback returns something, it is sent back as if reply was being
1135called.
1136
849=cut 1137=cut
850 1138
851sub register_extcmd { 1139sub register_extcmd {
852 my ($name, $cb) = @_; 1140 my ($name, $cb) = @_;
853 1141
854 $EXTCMD{$name} = $cb; 1142 $EXTCMD{$name} = $cb;
1143}
1144
1145sub register_exticmd {
1146 my ($name, $cb) = @_;
1147
1148 $EXTICMD{$name} = $cb;
855} 1149}
856 1150
857cf::player->attach ( 1151cf::player->attach (
858 on_command => sub { 1152 on_command => sub {
859 my ($pl, $name, $params) = @_; 1153 my ($pl, $name, $params) = @_;
868 cf::override; 1162 cf::override;
869 }, 1163 },
870 on_extcmd => sub { 1164 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1165 my ($pl, $buf) = @_;
872 1166
873 my $msg = eval { from_json $buf }; 1167 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1168
875 if (ref $msg) { 1169 if (ref $msg) {
1170 my ($type, $reply, @payload) =
1171 "ARRAY" eq ref $msg
1172 ? @$msg
1173 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1174
1175 my @reply;
1176
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1177 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1178 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1179 }
1180
1181 $pl->ext_reply ($reply, @reply)
1182 if $reply;
1183
881 } else { 1184 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1185 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1186 }
884 1187
885 cf::override; 1188 cf::override;
886 }, 1189 },
887); 1190);
888 1191
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 { 1192sub load_extensions {
1193 cf::sync_job {
1194 my %todo;
1195
924 for my $ext (<$LIBDIR/*.ext>) { 1196 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1197 next unless -r $path;
926 eval { 1198
927 load_extension $ext; 1199 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1200 my $base = $1;
1201 my $pkg = $1;
1202 $pkg =~ s/[^[:word:]]/_/g;
1203 $pkg = "ext::$pkg";
1204
1205 open my $fh, "<:utf8", $path
1206 or die "$path: $!";
1207
1208 my $source = do { local $/; <$fh> };
1209
1210 my %ext = (
1211 path => $path,
1212 base => $base,
1213 pkg => $pkg,
1214 );
1215
1216 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1217 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1218
1219 $ext{source} =
1220 "package $pkg; use strict; use utf8;\n"
1221 . "#line 1 \"$path\"\n{\n"
1222 . $source
1223 . "\n};\n1";
1224
1225 $todo{$base} = \%ext;
1226 }
1227
1228 my %done;
1229 while (%todo) {
1230 my $progress;
1231
1232 while (my ($k, $v) = each %todo) {
1233 for (split /,\s*/, $v->{meta}{depends}) {
1234 goto skip
1235 unless exists $done{$_};
1236 }
1237
1238 warn "... loading '$k' into '$v->{pkg}'\n";
1239
1240 unless (eval $v->{source}) {
1241 my $msg = $@ ? "$v->{path}: $@\n"
1242 : "$v->{base}: extension inactive.\n";
1243
1244 if (exists $v->{meta}{mandatory}) {
1245 warn $msg;
1246 warn "mandatory extension failed to load, exiting.\n";
1247 exit 1;
1248 }
1249
1250 warn $msg;
1251 }
1252
1253 $done{$k} = delete $todo{$k};
1254 push @EXTS, $v->{pkg};
1255 $progress = 1;
928 1 1256 }
929 } or warn "$ext not loaded: $@"; 1257
1258 skip:
1259 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1260 unless $progress;
1261 }
930 } 1262 };
931} 1263}
932 1264
933############################################################################# 1265#############################################################################
934 1266
1267=back
1268
935=head2 CORE EXTENSIONS 1269=head2 CORE EXTENSIONS
936 1270
937Functions and methods that extend core crossfire objects. 1271Functions and methods that extend core crossfire objects.
938 1272
939=cut 1273=cut
944 1278
945=head3 cf::player 1279=head3 cf::player
946 1280
947=over 4 1281=over 4
948 1282
1283=item cf::player::num_playing
1284
1285Returns the official number of playing players, as per the Crossfire metaserver rules.
1286
1287=cut
1288
1289sub num_playing {
1290 scalar grep
1291 $_->ob->map
1292 && !$_->hidden
1293 && !$_->ob->flag (cf::FLAG_WIZ),
1294 cf::player::list
1295}
1296
949=item cf::player::find $login 1297=item cf::player::find $login
950 1298
951Returns the given player object, loading it if necessary (might block). 1299Returns the given player object, loading it if necessary (might block).
952 1300
953=cut 1301=cut
954 1302
955sub playerdir($) { 1303sub playerdir($) {
956 cf::localdir 1304 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1305 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1306}
962 1307
963sub path($) { 1308sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1309 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1336 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1337 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1338 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl"; 1339 aio_unlink +(playerdir $login) . "/$login.pl";
995 1340
996 my $pl = load_pl path $login 1341 my $f = new_from_file cf::object::thawer path $login
997 or return; 1342 or return;
1343
1344 $f->next;
1345 my $pl = cf::player::load_pl $f
1346 or return;
1347 local $cf::PLAYER_LOADING{$login} = $pl;
1348 $f->resolve_delayed_derefs;
998 $cf::PLAYER{$login} = $pl 1349 $cf::PLAYER{$login} = $pl
999 } 1350 }
1000 } 1351 }
1001} 1352}
1002 1353
1012 1363
1013 aio_mkdir playerdir $pl, 0770; 1364 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME; 1365 $pl->{last_save} = $cf::RUNTIME;
1015 1366
1016 $pl->save_pl ($path); 1367 $pl->save_pl ($path);
1017 Coro::cede; 1368 cf::cede_to_tick;
1018} 1369}
1019 1370
1020sub new($) { 1371sub new($) {
1021 my ($login) = @_; 1372 my ($login) = @_;
1022 1373
1026 $self->{deny_save} = 1; 1377 $self->{deny_save} = 1;
1027 1378
1028 $cf::PLAYER{$login} = $self; 1379 $cf::PLAYER{$login} = $self;
1029 1380
1030 $self 1381 $self
1382}
1383
1384=item $player->send_msg ($channel, $msg, $color, [extra...])
1385
1386=cut
1387
1388sub send_msg {
1389 my $ns = shift->ns
1390 or return;
1391 $ns->send_msg (@_);
1031} 1392}
1032 1393
1033=item $pl->quit_character 1394=item $pl->quit_character
1034 1395
1035Nukes the player without looking back. If logged in, the connection will 1396Nukes the player without looking back. If logged in, the connection will
1084while and may block, so not sync_job-capable, ever. 1445while and may block, so not sync_job-capable, ever.
1085 1446
1086=cut 1447=cut
1087 1448
1088sub list_logins { 1449sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1450 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1451 or return [];
1091 1452
1092 my @logins; 1453 my @logins;
1093 1454
1094 for my $login (@$dirs) { 1455 for my $login (@$dirs) {
1456 my $path = path $login;
1457
1458 # a .pst is a dead give-away for a valid player
1459 unless (-e "$path.pst") {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1460 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next; 1461 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag 1462 $buf !~ /^password -------------$/m or next; # official not-valid tag
1463 }
1098 1464
1099 utf8::decode $login; 1465 utf8::decode $login;
1100 push @logins, $login; 1466 push @logins, $login;
1101 } 1467 }
1102 1468
1129 } 1495 }
1130 1496
1131 \@paths 1497 \@paths
1132} 1498}
1133 1499
1500=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1501
1502Expand crossfire pod fragments into protocol xml.
1503
1504=cut
1505
1506sub expand_cfpod {
1507 ((my $self), (local $_)) = @_;
1508
1509 # escape & and <
1510 s/&/&amp;/g;
1511 s/(?<![BIUGHT])</&lt;/g;
1512
1513 # this is buggy, it needs to properly take care of nested <'s
1514
1515 1 while
1516 # replace B<>, I<>, U<> etc.
1517 s/B<([^\>]*)>/<b>$1<\/b>/
1518 || s/I<([^\>]*)>/<i>$1<\/i>/
1519 || s/U<([^\>]*)>/<u>$1<\/u>/
1520 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1521 # replace G<male|female> tags
1522 || s{G<([^>|]*)\|([^>]*)>}{
1523 $self->gender ? $2 : $1
1524 }ge
1525 # replace H<hint text>
1526 || s{H<([^\>]*)>}
1527 {
1528 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1529 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1530 "")
1531 [$self->{hintmode}]
1532 }ge;
1533
1534 # create single paragraphs (very hackish)
1535 s/(?<=\S)\n(?=\w)/ /g;
1536
1537 # compress some whitespace
1538 s/\s+\n/\n/g; # ws line-ends
1539 s/\n\n+/\n/g; # double lines
1540 s/^\n+//; # beginning lines
1541 s/\n+$//; # ending lines
1542
1543 $_
1544}
1545
1546sub hintmode {
1547 $_[0]{hintmode} = $_[1] if @_ > 1;
1548 $_[0]{hintmode}
1549}
1550
1134=item $player->ext_reply ($msgid, %msg) 1551=item $player->ext_reply ($msgid, @msg)
1135 1552
1136Sends an ext reply to the player. 1553Sends an ext reply to the player.
1137 1554
1138=cut 1555=cut
1139 1556
1140sub ext_reply($$%) { 1557sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1558 my ($self, $id, @msg) = @_;
1142 1559
1143 $msg{msgid} = $id; 1560 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1561}
1147 1562
1148=item $player->ext_event ($type, %msg) 1563=item $player->ext_msg ($type, @msg)
1149 1564
1150Sends an ext event to the client. 1565Sends an ext event to the client.
1151 1566
1152=cut 1567=cut
1153 1568
1154sub ext_event($$%) { 1569sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1570 my ($self, $type, @msg) = @_;
1156 1571
1157 $self->ns->ext_event ($type, %msg); 1572 $self->ns->ext_msg ($type, @msg);
1158} 1573}
1159 1574
1160=head3 cf::region 1575=head3 cf::region
1161 1576
1162=over 4 1577=over 4
1165 1580
1166package cf::region; 1581package cf::region;
1167 1582
1168=item cf::region::find_by_path $path 1583=item cf::region::find_by_path $path
1169 1584
1170Tries to decuce the probable region for a map knowing only its path. 1585Tries to decuce the likely region for a map knowing only its path.
1171 1586
1172=cut 1587=cut
1173 1588
1174sub find_by_path($) { 1589sub find_by_path($) {
1175 my ($path) = @_; 1590 my ($path) = @_;
1176 1591
1177 my ($match, $specificity); 1592 my ($match, $specificity);
1178 1593
1179 for my $region (list) { 1594 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1595 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1596 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1597 if $region->specificity > $specificity;
1183 } 1598 }
1184 } 1599 }
1185 1600
1249 my ($self, $merge) = @_; 1664 my ($self, $merge) = @_;
1250 1665
1251 # we have to keep some variables in memory intact 1666 # we have to keep some variables in memory intact
1252 local $self->{path}; 1667 local $self->{path};
1253 local $self->{load_path}; 1668 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1669
1257 $self->SUPER::thawer_merge ($merge); 1670 $self->SUPER::thawer_merge ($merge);
1258} 1671}
1259 1672
1260sub normalise { 1673sub normalise {
1307 $self->init; # pass $1 etc. 1720 $self->init; # pass $1 etc.
1308 return $self; 1721 return $self;
1309 } 1722 }
1310 } 1723 }
1311 1724
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1725 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1726 ()
1314} 1727}
1315 1728
1316sub init { 1729sub init {
1317 my ($self) = @_; 1730 my ($self) = @_;
1332 1745
1333# the original (read-only) location 1746# the original (read-only) location
1334sub load_path { 1747sub load_path {
1335 my ($self) = @_; 1748 my ($self) = @_;
1336 1749
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1750 "$MAPDIR/$self->{path}.map"
1338} 1751}
1339 1752
1340# the temporary/swap location 1753# the temporary/swap location
1341sub save_path { 1754sub save_path {
1342 my ($self) = @_; 1755 my ($self) = @_;
1343 1756
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1757 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1758 "$TMPDIR/$path.map"
1346} 1759}
1347 1760
1348# the unique path, undef == no special unique path 1761# the unique path, undef == no special unique path
1349sub uniq_path { 1762sub uniq_path {
1350 my ($self) = @_; 1763 my ($self) = @_;
1351 1764
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1765 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1766 "$UNIQUEDIR/$path"
1354} 1767}
1355 1768
1356# and all this just because we cannot iterate over 1769# and all this just because we cannot iterate over
1357# all maps in C++... 1770# all maps in C++...
1358sub change_all_map_light { 1771sub change_all_map_light {
1360 1773
1361 $_->change_map_light ($change) 1774 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1775 for grep $_->outdoor, values %cf::MAP;
1363} 1776}
1364 1777
1778sub decay_objects {
1779 my ($self) = @_;
1780
1781 return if $self->{deny_reset};
1782
1783 $self->do_decay_objects;
1784}
1785
1365sub unlink_save { 1786sub unlink_save {
1366 my ($self) = @_; 1787 my ($self) = @_;
1367 1788
1368 utf8::encode (my $save = $self->save_path); 1789 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1790 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1372 1793
1373sub load_header_from($) { 1794sub load_header_from($) {
1374 my ($self, $path) = @_; 1795 my ($self, $path) = @_;
1375 1796
1376 utf8::encode $path; 1797 utf8::encode $path;
1377 #aio_open $path, O_RDONLY, 0 1798 my $f = new_from_file cf::object::thawer $path
1378 # or return;
1379
1380 $self->_load_header ($path)
1381 or return; 1799 or return;
1800
1801 $self->_load_header ($f)
1802 or return;
1803
1804 local $MAP_LOADING{$self->{path}} = $self;
1805 $f->resolve_delayed_derefs;
1382 1806
1383 $self->{load_path} = $path; 1807 $self->{load_path} = $path;
1384 1808
1385 1 1809 1
1386} 1810}
1425 $self->load_header_orig 1849 $self->load_header_orig
1426 or return; 1850 or return;
1427 $self->prepare_orig; 1851 $self->prepare_orig;
1428 } 1852 }
1429 1853
1854 $self->{deny_reset} = 1
1855 if $self->no_reset;
1856
1430 $self->default_region (cf::region::find_by_path $self->{path}) 1857 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 1858 unless $self->default_region;
1432 1859
1433 1 1860 1
1434} 1861}
1437sub find { 1864sub find {
1438 my ($path, $origin) = @_; 1865 my ($path, $origin) = @_;
1439 1866
1440 $path = normalise $path, $origin && $origin->path; 1867 $path = normalise $path, $origin && $origin->path;
1441 1868
1869 cf::lock_wait "map_data:$path";#d#remove
1442 cf::lock_wait "map_find:$path"; 1870 cf::lock_wait "map_find:$path";
1443 1871
1444 $cf::MAP{$path} || do { 1872 $cf::MAP{$path} || do {
1445 my $guard = cf::lock_acquire "map_find:$path"; 1873 my $guard1 = cf::lock_acquire "map_find:$path";
1874 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1875
1446 my $map = new_from_path cf::map $path 1876 my $map = new_from_path cf::map $path
1447 or return; 1877 or return;
1448 1878
1449 $map->{last_save} = $cf::RUNTIME; 1879 $map->{last_save} = $cf::RUNTIME;
1450 1880
1451 $map->load_header 1881 $map->load_header
1452 or return; 1882 or return;
1453 1883
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1884 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 1885 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 1886 #$cf::WAIT_FOR_TICK->wait;
1887 undef $guard1;
1888 undef $guard2;
1457 $map->reset; 1889 $map->reset;
1458 undef $guard;
1459 return find $path; 1890 return find $path;
1460 } 1891 }
1461 1892
1462 $cf::MAP{$path} = $map 1893 $cf::MAP{$path} = $map
1463 } 1894 }
1470 my ($self) = @_; 1901 my ($self) = @_;
1471 1902
1472 local $self->{deny_reset} = 1; # loading can take a long time 1903 local $self->{deny_reset} = 1; # loading can take a long time
1473 1904
1474 my $path = $self->{path}; 1905 my $path = $self->{path};
1906
1907 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 1908 my $guard = cf::lock_acquire "map_data:$path";
1476 1909
1910 return unless $self->valid;
1477 return if $self->in_memory != cf::MAP_SWAPPED; 1911 return unless $self->in_memory == cf::MAP_SWAPPED;
1478 1912
1479 $self->in_memory (cf::MAP_LOADING); 1913 $self->in_memory (cf::MAP_LOADING);
1480 1914
1481 $self->alloc; 1915 $self->alloc;
1482 1916
1483 $self->pre_load; 1917 $self->pre_load;
1484 Coro::cede; 1918 cf::cede_to_tick;
1485 1919
1486 $self->_load_objects ($self->{load_path}, 1) 1920 my $f = new_from_file cf::object::thawer $self->{load_path};
1921 $f->skip_block;
1922 $self->_load_objects ($f)
1487 or return; 1923 or return;
1488 1924
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1925 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490 if delete $self->{load_original}; 1926 if delete $self->{load_original};
1491 1927
1492 if (my $uniq = $self->uniq_path) { 1928 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq; 1929 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) { 1930 unless (aio_stat $uniq) {
1931 if (my $f = new_from_file cf::object::thawer $uniq) {
1495 $self->clear_unique_items; 1932 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0); 1933 $self->_load_objects ($f);
1934 $f->resolve_delayed_derefs;
1935 }
1497 } 1936 }
1498 } 1937 }
1499 1938
1500 Coro::cede; 1939 $f->resolve_delayed_derefs;
1940
1941 cf::cede_to_tick;
1501 # now do the right thing for maps 1942 # now do the right thing for maps
1502 $self->link_multipart_objects; 1943 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($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) 1944 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 1945 unless $self->difficulty;
1513 Coro::cede; 1946 cf::cede_to_tick;
1947
1948 unless ($self->{deny_activate}) {
1949 $self->decay_objects;
1950 $self->fix_auto_apply;
1951 $self->update_buttons;
1952 cf::cede_to_tick;
1953 $self->set_darkness_map;
1954 cf::cede_to_tick;
1514 $self->activate; 1955 $self->activate;
1515 Coro::cede; 1956 }
1957
1958 $self->{last_save} = $cf::RUNTIME;
1959 $self->last_access ($cf::RUNTIME);
1960
1961 $self->in_memory (cf::MAP_IN_MEMORY);
1516 } 1962 }
1517 1963
1518 $self->post_load; 1964 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 1965}
1523 1966
1524sub customise_for { 1967sub customise_for {
1525 my ($self, $ob) = @_; 1968 my ($self, $ob) = @_;
1526 1969
1527 return find "~" . $ob->name . "/" . $self->{path} 1970 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 1971 if $self->per_player;
1529 1972
1973# return find "?party/" . $ob->name . "/" . $self->{path}
1974# if $self->per_party;
1975
1530 $self 1976 $self
1531} 1977}
1532 1978
1533# find and load all maps in the 3x3 area around a map 1979# find and load all maps in the 3x3 area around a map
1534sub load_diag { 1980sub load_neighbours {
1535 my ($map) = @_; 1981 my ($map) = @_;
1536 1982
1537 my @diag; # diagonal neighbours 1983 my @neigh; # diagonal neighbours
1538 1984
1539 for (0 .. 3) { 1985 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 1986 my $neigh = $map->tile_path ($_)
1541 or next; 1987 or next;
1542 $neigh = find $neigh, $map 1988 $neigh = find $neigh, $map
1543 or next; 1989 or next;
1544 $neigh->load; 1990 $neigh->load;
1545 1991
1992 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1993 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1994 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 1995 }
1549 1996
1550 for (@diag) { 1997 for (grep defined $_->[0], @neigh) {
1998 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 1999 my $neigh = find $path, $origin
1552 or next; 2000 or next;
1553 $neigh->load; 2001 $neigh->load;
1554 } 2002 }
1555} 2003}
1556 2004
1561} 2009}
1562 2010
1563sub do_load_sync { 2011sub do_load_sync {
1564 my ($map) = @_; 2012 my ($map) = @_;
1565 2013
2014 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2015 if $Coro::current == $Coro::main;
2016
1566 cf::sync_job { $map->load }; 2017 cf::sync_job { $map->load };
1567} 2018}
1568 2019
1569our %MAP_PREFETCH; 2020our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 2021our $MAP_PREFETCHER = undef;
1571 2022
1572sub find_async { 2023sub find_async {
1573 my ($path, $origin) = @_; 2024 my ($path, $origin, $load) = @_;
1574 2025
1575 $path = normalise $path, $origin && $origin->{path}; 2026 $path = normalise $path, $origin && $origin->{path};
1576 2027
1577 if (my $map = $cf::MAP{$path}) { 2028 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2029 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579 } 2030 }
1580 2031
1581 undef $MAP_PREFETCH{$path}; 2032 $MAP_PREFETCH{$path} |= $load;
2033
1582 $MAP_PREFETCHER ||= cf::async { 2034 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) { 2035 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 2036 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 2037 if (my $map = find $k) {
1586 or next;
1587 $map->load; 2038 $map->load if $v;
2039 }
1588 2040
1589 delete $MAP_PREFETCH{$path}; 2041 delete $MAP_PREFETCH{$k};
1590 } 2042 }
1591 } 2043 }
1592 undef $MAP_PREFETCHER; 2044 undef $MAP_PREFETCHER;
1593 }; 2045 };
1594 $MAP_PREFETCHER->prio (6); 2046 $MAP_PREFETCHER->prio (6);
1597} 2049}
1598 2050
1599sub save { 2051sub save {
1600 my ($self) = @_; 2052 my ($self) = @_;
1601 2053
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2054 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2055
1604 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1605 2057
1606 return unless $self->dirty; 2058 return unless $self->dirty;
1607 2059
1630 my ($self) = @_; 2082 my ($self) = @_;
1631 2083
1632 # save first because save cedes 2084 # save first because save cedes
1633 $self->save; 2085 $self->save;
1634 2086
1635 my $lock = cf::lock_acquire "map_data:" . $self->path; 2087 my $lock = cf::lock_acquire "map_data:$self->{path}";
1636 2088
1637 return if $self->players; 2089 return if $self->players;
1638 return if $self->in_memory != cf::MAP_IN_MEMORY; 2090 return if $self->in_memory != cf::MAP_IN_MEMORY;
1639 return if $self->{deny_save}; 2091 return if $self->{deny_save};
1640 2092
2093 $self->in_memory (cf::MAP_SWAPPED);
2094
2095 $self->deactivate;
2096 $_->clear_links_to ($self) for values %cf::MAP;
1641 $self->clear; 2097 $self->clear;
1642 $self->in_memory (cf::MAP_SWAPPED);
1643} 2098}
1644 2099
1645sub reset_at { 2100sub reset_at {
1646 my ($self) = @_; 2101 my ($self) = @_;
1647 2102
1648 # TODO: safety, remove and allow resettable per-player maps 2103 # 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}; 2104 return 1e99 if $self->{deny_reset};
1651 2105
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2106 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2107 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2108
1665 my ($self) = @_; 2119 my ($self) = @_;
1666 2120
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2121 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2122
1669 return if $self->players; 2123 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2124
1672 warn "resetting map ", $self->path;#d# 2125 warn "resetting map ", $self->path;
1673 2126
1674 $self->in_memory (cf::MAP_SWAPPED); 2127 $self->in_memory (cf::MAP_SWAPPED);
1675 2128
1676 # need to save uniques path 2129 # need to save uniques path
1677 unless ($self->{deny_save}) { 2130 unless ($self->{deny_save}) {
1681 if $uniq; 2134 if $uniq;
1682 } 2135 }
1683 2136
1684 delete $cf::MAP{$self->path}; 2137 delete $cf::MAP{$self->path};
1685 2138
2139 $self->deactivate;
2140 $_->clear_links_to ($self) for values %cf::MAP;
1686 $self->clear; 2141 $self->clear;
1687
1688 $_->clear_links_to ($self) for values %cf::MAP;
1689 2142
1690 $self->unlink_save; 2143 $self->unlink_save;
1691 $self->destroy; 2144 $self->destroy;
1692} 2145}
1693 2146
1694my $nuke_counter = "aaaa"; 2147my $nuke_counter = "aaaa";
1695 2148
1696sub nuke { 2149sub nuke {
1697 my ($self) = @_; 2150 my ($self) = @_;
1698 2151
2152 {
2153 my $lock = cf::lock_acquire "map_data:$self->{path}";
2154
1699 delete $cf::MAP{$self->path}; 2155 delete $cf::MAP{$self->path};
1700 2156
1701 $self->unlink_save; 2157 $self->unlink_save;
1702 2158
1703 bless $self, "cf::map"; 2159 bless $self, "cf::map";
1704 delete $self->{deny_reset}; 2160 delete $self->{deny_reset};
1705 $self->{deny_save} = 1; 2161 $self->{deny_save} = 1;
1706 $self->reset_timeout (1); 2162 $self->reset_timeout (1);
1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2163 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708 2164
1709 $cf::MAP{$self->path} = $self; 2165 $cf::MAP{$self->path} = $self;
2166 }
1710 2167
1711 $self->reset; # polite request, might not happen 2168 $self->reset; # polite request, might not happen
2169}
2170
2171=item $maps = cf::map::tmp_maps
2172
2173Returns an arrayref with all map paths of currently instantiated and saved
2174maps. May block.
2175
2176=cut
2177
2178sub tmp_maps() {
2179 [
2180 map {
2181 utf8::decode $_;
2182 /\.map$/
2183 ? normalise $_
2184 : ()
2185 } @{ aio_readdir $TMPDIR or [] }
2186 ]
2187}
2188
2189=item $maps = cf::map::random_maps
2190
2191Returns an arrayref with all map paths of currently instantiated and saved
2192random maps. May block.
2193
2194=cut
2195
2196sub random_maps() {
2197 [
2198 map {
2199 utf8::decode $_;
2200 /\.map$/
2201 ? normalise "?random/$_"
2202 : ()
2203 } @{ aio_readdir $RANDOMDIR or [] }
2204 ]
1712} 2205}
1713 2206
1714=item cf::map::unique_maps 2207=item cf::map::unique_maps
1715 2208
1716Returns an arrayref of paths of all shared maps that have 2209Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2210instantiated unique items. May block.
1718 2211
1719=cut 2212=cut
1720 2213
1721sub unique_maps() { 2214sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2215 [
1723 or return; 2216 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2217 utf8::decode $_;
1729 next if /\.pst$/; 2218 /\.map$/
1730 next unless /^$PATH_SEP/o; 2219 ? normalise $_
1731 2220 : ()
1732 push @paths, cf::map::normalise $_; 2221 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2222 ]
1734
1735 \@paths
1736} 2223}
1737 2224
1738package cf; 2225package cf;
1739 2226
1740=back 2227=back
1758 map { $_, inv_recursive_ $_->inv } @_ 2245 map { $_, inv_recursive_ $_->inv } @_
1759} 2246}
1760 2247
1761sub inv_recursive { 2248sub inv_recursive {
1762 inv_recursive_ inv $_[0] 2249 inv_recursive_ inv $_[0]
2250}
2251
2252=item $ref = $ob->ref
2253
2254creates and returns a persistent reference to an objetc that can be stored as a string.
2255
2256=item $ob = cf::object::deref ($refstring)
2257
2258returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2259even if the object actually exists. May block.
2260
2261=cut
2262
2263sub deref {
2264 my ($ref) = @_;
2265
2266 # temporary compatibility#TODO#remove
2267 $ref =~ s{^<}{player/<};
2268
2269 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2270 my ($uuid, $name) = ($1, $2);
2271 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2272 or return;
2273 $pl->ob->uuid eq $uuid
2274 or return;
2275
2276 $pl->ob
2277 } else {
2278 warn "$ref: cannot resolve object reference\n";
2279 undef
2280 }
1763} 2281}
1764 2282
1765package cf; 2283package cf;
1766 2284
1767=back 2285=back
1786 2304
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2305 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2306
1789 if ($self->{record_replies}) { 2307 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2308 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2309
1791 } else { 2310 } else {
2311 my $pl = $self->contr;
2312
2313 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2314 my $dialog = $pl->{npc_dialog};
2315 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2316
2317 } else {
1792 $msg = $npc->name . " says: $msg" if $npc; 2318 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2319 $self->message ($msg, $flags);
2320 }
1794 } 2321 }
2322}
2323
2324=item $object->send_msg ($channel, $msg, $color, [extra...])
2325
2326=cut
2327
2328sub cf::object::send_msg {
2329 my $pl = shift->contr
2330 or return;
2331 $pl->send_msg (@_);
1795} 2332}
1796 2333
1797=item $player_object->may ("access") 2334=item $player_object->may ("access")
1798 2335
1799Returns wether the given player is authorized to access resource "access" 2336Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2383 $self->deactivate_recursive;
1847 2384
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2385 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2386
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2387 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2388 if $self->map && $self->map->{path} ne "{link}";
1852 2389
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2390 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2391}
1855 2392
1856sub cf::object::player::leave_link { 2393sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2394 my ($self, $map, $x, $y) = @_;
2395
2396 return unless $self->contr->active;
1858 2397
1859 my $link_pos = delete $self->{_link_pos}; 2398 my $link_pos = delete $self->{_link_pos};
1860 2399
1861 unless ($map) { 2400 unless ($map) {
1862 # restore original map position 2401 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2415 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2416 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2417 if $x <=0 && $y <= 0;
1879 2418
1880 $map->load; 2419 $map->load;
1881 $map->load_diag; 2420 $map->load_neighbours;
1882 2421
1883 return unless $self->contr->active; 2422 return unless $self->contr->active;
1884 $self->activate_recursive; 2423 $self->activate_recursive;
1885 2424
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2425 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2426 $self->enter_map ($map, $x, $y);
1888} 2427}
1889 2428
1890cf::player->attach ( 2429=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2430
1894 # abort map switching before logout 2431Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2432her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2433that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2434the new (success) or old (failed) map position. In either case, $done will
1898 }; 2435be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2436
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 2437=cut
2438
2439our $GOTOGEN;
1925 2440
1926sub cf::object::player::goto { 2441sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2442 my ($self, $path, $x, $y, $check, $done) = @_;
2443
2444 # do generation counting so two concurrent goto's will be executed in-order
2445 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2446
1929 $self->enter_link; 2447 $self->enter_link;
1930 2448
1931 (async { 2449 (async {
1932 my $map = eval { 2450 my $map = eval {
1933 my $map = cf::map::find $path; 2451 my $map = cf::map::find $path;
2452
2453 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2454 $map = $map->customise_for ($self);
2455 $map = $check->($map) if $check && $map;
2456 } else {
2457 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2458 }
2459
1935 $map 2460 $map
2461 };
2462
2463 if ($@) {
2464 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2465 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2466 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2467
2468 if ($gen == $self->{_goto_generation}) {
2469 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2470 $self->leave_link ($map, $x, $y);
2471 }
2472
2473 $done->() if $done;
1940 })->prio (1); 2474 })->prio (1);
1941} 2475}
1942 2476
1943=item $player_object->enter_exit ($exit_object) 2477=item $player_object->enter_exit ($exit_object)
1944 2478
1983 2517
1984 $rmp->{random_seed} ||= $exit->random_seed; 2518 $rmp->{random_seed} ||= $exit->random_seed;
1985 2519
1986 my $data = cf::to_json $rmp; 2520 my $data = cf::to_json $rmp;
1987 my $md5 = Digest::MD5::md5_hex $data; 2521 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2522 my $meta = "$RANDOMDIR/$md5.meta";
1989 2523
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2524 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2525 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2526 undef $fh;
1993 aio_rename "$meta~", $meta; 2527 aio_rename "$meta~", $meta;
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2546 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp; 2547 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp; 2548 my $sp = $exit->stats->sp;
2015 2549
2016 $self->enter_link; 2550 $self->enter_link;
2551
2552 # if exit is damned, update players death & WoR home-position
2553 $self->contr->savebed ($slaying, $hp, $sp)
2554 if $exit->flag (FLAG_DAMNED);
2017 2555
2018 (async { 2556 (async {
2019 $self->deactivate_recursive; # just to be sure 2557 $self->deactivate_recursive; # just to be sure
2020 unless (eval { 2558 unless (eval {
2021 $self->goto ($slaying, $hp, $sp); 2559 $self->goto ($slaying, $hp, $sp);
2049 2587
2050 utf8::encode $text; 2588 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2589 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2590}
2053 2591
2592=item $client->send_msg ($channel, $msg, $color, [extra...])
2593
2594Send a drawinfo or msg packet to the client, formatting the msg for the
2595client if neccessary. C<$type> should be a string identifying the type of
2596the message, with C<log> being the default. If C<$color> is negative, suppress
2597the message unless the client supports the msg packet.
2598
2599=cut
2600
2601our %CHANNEL = (
2602 "c/identify" => {
2603 id => "identify",
2604 title => "Identify",
2605 reply => undef,
2606 tooltip => "Items recently identified",
2607 },
2608 "c/examine" => {
2609 id => "examine",
2610 title => "Examine",
2611 reply => undef,
2612 tooltip => "Signs and other items you examined",
2613 },
2614);
2615
2616sub cf::client::send_msg {
2617 my ($self, $channel, $msg, $color, @extra) = @_;
2618
2619 $msg = $self->pl->expand_cfpod ($msg);
2620
2621 $color &= cf::NDI_CLIENT_MASK; # just in case...
2622
2623 # check predefined channels, for the benefit of C
2624 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2625
2626 if (ref $channel) {
2627 # send meta info to client, if not yet sent
2628 unless (exists $self->{channel}{$channel->{id}}) {
2629 $self->{channel}{$channel->{id}} = $channel;
2630 $self->ext_msg (channel_info => $channel)
2631 if $self->can_msg;
2632 }
2633
2634 $channel = $channel->{id};
2635 }
2636
2637 return unless @extra || length $msg;
2638
2639 if ($self->can_msg) {
2640 # default colour, mask it out
2641 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2642 if $color & cf::NDI_DEF;
2643
2644 $self->send_packet ("msg " . $self->{json_coder}->encode (
2645 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2646 } else {
2647 if ($color >= 0) {
2648 # replace some tags by gcfclient-compatible ones
2649 for ($msg) {
2650 1 while
2651 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2652 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2653 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2654 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2655 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2656 }
2657
2658 $color &= cf::NDI_COLOR_MASK;
2659
2660 utf8::encode $msg;
2661
2662 if (0 && $msg =~ /\[/) {
2663 # COMMAND/INFO
2664 $self->send_packet ("drawextinfo $color 10 8 $msg")
2665 } else {
2666 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2667 $self->send_packet ("drawinfo $color $msg")
2668 }
2669 }
2670 }
2671}
2672
2054=item $client->ext_event ($type, %msg) 2673=item $client->ext_msg ($type, @msg)
2055 2674
2056Sends an exti event to the client. 2675Sends an ext event to the client.
2057 2676
2058=cut 2677=cut
2059 2678
2060sub cf::client::ext_event($$%) { 2679sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2680 my ($self, $type, @msg) = @_;
2062 2681
2682 if ($self->extcmd == 2) {
2683 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2684 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2685 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2686 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2687 }
2688}
2689
2690=item $client->ext_reply ($msgid, @msg)
2691
2692Sends an ext reply to the client.
2693
2694=cut
2695
2696sub cf::client::ext_reply($$@) {
2697 my ($self, $id, @msg) = @_;
2698
2699 if ($self->extcmd == 2) {
2700 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2701 } elsif ($self->extcmd == 1) {
2702 #TODO: version 1, remove
2703 unshift @msg, msgtype => "reply", msgid => $id;
2704 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2705 }
2065} 2706}
2066 2707
2067=item $success = $client->query ($flags, "text", \&cb) 2708=item $success = $client->query ($flags, "text", \&cb)
2068 2709
2069Queues a query to the client, calling the given callback with 2710Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2711the 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>. 2712C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2713
2073Queries can fail, so check the return code. Or don't, as queries will become 2714Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2715become reliable at some point in the future.
2075 2716
2076=cut 2717=cut
2077 2718
2078sub cf::client::query { 2719sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2720 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2728 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2729 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2730
2090 $self->send_packet ($self->{query_queue}[0][0]) 2731 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2732 if @{ $self->{query_queue} } == 1;
2733
2734 1
2092} 2735}
2093 2736
2094cf::client->attach ( 2737cf::client->attach (
2738 on_connect => sub {
2739 my ($ns) = @_;
2740
2741 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2742 },
2095 on_reply => sub { 2743 on_reply => sub {
2096 my ($ns, $msg) = @_; 2744 my ($ns, $msg) = @_;
2097 2745
2098 # this weird shuffling is so that direct followup queries 2746 # this weird shuffling is so that direct followup queries
2099 # get handled first 2747 # get handled first
2111 } else { 2759 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2760 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 2761 }
2114 } 2762 }
2115 }, 2763 },
2764 on_exticmd => sub {
2765 my ($ns, $buf) = @_;
2766
2767 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2768
2769 if (ref $msg) {
2770 my ($type, $reply, @payload) =
2771 "ARRAY" eq ref $msg
2772 ? @$msg
2773 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2774
2775 my @reply;
2776
2777 if (my $cb = $EXTICMD{$type}) {
2778 @reply = $cb->($ns, @payload);
2779 }
2780
2781 $ns->ext_reply ($reply, @reply)
2782 if $reply;
2783
2784 } else {
2785 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2786 }
2787
2788 cf::override;
2789 },
2116); 2790);
2117 2791
2118=item $client->async (\&cb) 2792=item $client->async (\&cb)
2119 2793
2120Create a new coroutine, running the specified callback. The coroutine will 2794Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 2835our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 2836our $safe_hole = new Safe::Hole;
2163 2837
2164$SIG{FPE} = 'IGNORE'; 2838$SIG{FPE} = 'IGNORE';
2165 2839
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2840$safe->permit_only (Opcode::opset qw(
2841 :base_core :base_mem :base_orig :base_math
2842 grepstart grepwhile mapstart mapwhile
2843 sort time
2844));
2167 2845
2168# here we export the classes and methods available to script code 2846# here we export the classes and methods available to script code
2169 2847
2170=pod 2848=pod
2171 2849
2172The following functions and methods are available within a safe environment: 2850The following functions and methods are available within a safe environment:
2173 2851
2174 cf::object contr pay_amount pay_player map 2852 cf::object
2853 contr pay_amount pay_player map x y force_find force_add
2854 insert remove name archname title slaying race decrease_ob_nr
2855
2175 cf::object::player player 2856 cf::object::player
2176 cf::player peaceful 2857 player
2177 cf::map trigger 2858
2859 cf::player
2860 peaceful
2861
2862 cf::map
2863 trigger
2178 2864
2179=cut 2865=cut
2180 2866
2181for ( 2867for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 2868 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869 insert remove inv name archname title slaying race
2870 decrease_ob_nr)],
2183 ["cf::object::player" => qw(player)], 2871 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 2872 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 2873 ["cf::map" => qw(trigger)],
2186) { 2874) {
2187 no strict 'refs'; 2875 no strict 'refs';
2258=back 2946=back
2259 2947
2260=cut 2948=cut
2261 2949
2262############################################################################# 2950#############################################################################
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 2951# the server's init and main functions
2336 2952
2337sub load_facedata { 2953sub load_facedata($) {
2338 my $path = sprintf "%s/facedata", cf::datadir; 2954 my ($path) = @_;
2955
2956 # HACK to clear player env face cache, we need some signal framework
2957 # for this (global event?)
2958 %ext::player_env::MUSIC_FACE_CACHE = ();
2959
2960 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339 2961
2340 warn "loading facedata from $path\n"; 2962 warn "loading facedata from $path\n";
2341 2963
2342 my $facedata; 2964 my $facedata;
2343 0 < aio_load $path, $facedata 2965 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 2968 $facedata = Coro::Storable::thaw $facedata;
2347 2969
2348 $facedata->{version} == 2 2970 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 2971 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 2972
2973 # patch in the exptable
2974 $facedata->{resource}{"res/exp_table"} = {
2975 type => FT_RSRC,
2976 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2977 };
2978 cf::cede_to_tick;
2979
2351 { 2980 {
2352 my $faces = $facedata->{faceinfo}; 2981 my $faces = $facedata->{faceinfo};
2353 2982
2354 while (my ($face, $info) = each %$faces) { 2983 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2984 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2985 cf::face::set_visibility $idx, $info->{visibility};
2986 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2987 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2988 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 2989
2990 cf::cede_to_tick;
2360 } 2991 }
2361 2992
2362 while (my ($face, $info) = each %$faces) { 2993 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 2994 next unless $info->{smooth};
2364 my $idx = cf::face::find $face 2995 my $idx = cf::face::find $face
2365 or next; 2996 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) { 2997 if (my $smooth = cf::face::find $info->{smooth}) {
2998 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2999 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 3000 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3001 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 3002 }
2371 Coro::cede; 3003
3004 cf::cede_to_tick;
2372 } 3005 }
2373 } 3006 }
2374 3007
2375 { 3008 {
2376 my $anims = $facedata->{animinfo}; 3009 my $anims = $facedata->{animinfo};
2377 3010
2378 while (my ($anim, $info) = each %$anims) { 3011 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3012 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 3013 cf::cede_to_tick;
2381 } 3014 }
2382 3015
2383 cf::anim::invalidate_all; # d'oh 3016 cf::anim::invalidate_all; # d'oh
2384 } 3017 }
2385 3018
3019 {
3020 # TODO: for gcfclient pleasure, we should give resources
3021 # that gcfclient doesn't grok a >10000 face index.
3022 my $res = $facedata->{resource};
3023
3024 my $soundconf = delete $res->{"res/sound.conf"};
3025
3026 while (my ($name, $info) = each %$res) {
3027 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3028 my $data;
3029
3030 if ($info->{type} & 1) {
3031 # prepend meta info
3032
3033 my $meta = $enc->encode ({
3034 name => $name,
3035 %{ $info->{meta} || {} },
3036 });
3037
3038 $data = pack "(w/a*)*", $meta, $info->{data};
3039 } else {
3040 $data = $info->{data};
3041 }
3042
3043 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3044 cf::face::set_type $idx, $info->{type};
3045
3046 cf::cede_to_tick;
3047 }
3048
3049 if ($soundconf) {
3050 $soundconf = $enc->decode (delete $soundconf->{data});
3051
3052 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3053 my $sound = $soundconf->{compat}[$_]
3054 or next;
3055
3056 my $face = cf::face::find "sound/$sound->[1]";
3057 cf::sound::set $sound->[0] => $face;
3058 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3059 }
3060
3061 while (my ($k, $v) = each %{$soundconf->{event}}) {
3062 my $face = cf::face::find "sound/$v";
3063 cf::sound::set $k => $face;
3064 }
3065 }
3066 }
3067
2386 1 3068 1
2387} 3069}
2388 3070
3071register_exticmd fx_want => sub {
3072 my ($ns, $want) = @_;
3073
3074 while (my ($k, $v) = each %$want) {
3075 $ns->fx_want ($k, $v);
3076 }
3077};
3078
3079sub reload_regions {
3080 # HACK to clear player env face cache, we need some signal framework
3081 # for this (global event?)
3082 %ext::player_env::MUSIC_FACE_CACHE = ();
3083
3084 load_resource_file "$MAPDIR/regions"
3085 or die "unable to load regions file\n";
3086
3087 for (cf::region::list) {
3088 $_->{match} = qr/$_->{match}/
3089 if exists $_->{match};
3090 }
3091}
3092
3093sub reload_facedata {
3094 load_facedata "$DATADIR/facedata"
3095 or die "unable to load facedata\n";
3096}
3097
3098sub reload_archetypes {
3099 load_resource_file "$DATADIR/archetypes"
3100 or die "unable to load archetypes\n";
3101 #d# NEED to laod twice to resolve forward references
3102 # this really needs to be done in an extra post-pass
3103 # (which needs to be synchronous, so solve it differently)
3104 load_resource_file "$DATADIR/archetypes"
3105 or die "unable to load archetypes\n";
3106}
3107
3108sub reload_treasures {
3109 load_resource_file "$DATADIR/treasures"
3110 or die "unable to load treasurelists\n";
3111}
3112
2389sub reload_resources { 3113sub reload_resources {
2390 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3114 warn "reloading resource files...\n";
2391 or die "unable to load regions file\n";#d# 3115
3116 reload_regions;
2392 load_facedata 3117 reload_facedata;
2393 or die "unable to load facedata\n";#d# 3118 #reload_archetypes;#d#
3119 reload_archetypes;
3120 reload_treasures;
3121
3122 warn "finished reloading resource files\n";
2394} 3123}
2395 3124
2396sub init { 3125sub init {
2397 reload_resources; 3126 reload_resources;
2398} 3127}
2399 3128
2400sub cfg_load { 3129sub reload_config {
2401 open my $fh, "<:utf8", cf::confdir . "/config" 3130 open my $fh, "<:utf8", "$CONFDIR/config"
2402 or return; 3131 or return;
2403 3132
2404 local $/; 3133 local $/;
2405 *CFG = YAML::Syck::Load <$fh>; 3134 *CFG = YAML::Syck::Load <$fh>;
2406 3135
2425 (async { 3154 (async {
2426 Event::one_event; 3155 Event::one_event;
2427 })->prio (Coro::PRIO_MAX); 3156 })->prio (Coro::PRIO_MAX);
2428 }; 3157 };
2429 3158
2430 cfg_load; 3159 reload_config;
2431 db_init; 3160 db_init;
2432 load_extensions; 3161 load_extensions;
2433 3162
2434 $TICK_WATCHER->start; 3163 $TICK_WATCHER->start;
2435 Event::loop; 3164 Event::loop;
2451 }, 3180 },
2452 ); 3181 );
2453 } 3182 }
2454} 3183}
2455 3184
3185sub write_runtime {
3186 my $runtime = "$LOCALDIR/runtime";
3187
3188 # first touch the runtime file to show we are still running:
3189 # the fsync below can take a very very long time.
3190
3191 IO::AIO::aio_utime $runtime, undef, undef;
3192
3193 my $guard = cf::lock_acquire "write_runtime";
3194
3195 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3196 or return;
3197
3198 my $value = $cf::RUNTIME + 90 + 10;
3199 # 10 is the runtime save interval, for a monotonic clock
3200 # 60 allows for the watchdog to kill the server.
3201
3202 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3203 and return;
3204
3205 # always fsync - this file is important
3206 aio_fsync $fh
3207 and return;
3208
3209 # touch it again to show we are up-to-date
3210 aio_utime $fh, undef, undef;
3211
3212 close $fh
3213 or return;
3214
3215 aio_rename "$runtime~", $runtime
3216 and return;
3217
3218 warn "runtime file written.\n";
3219
3220 1
3221}
3222
2456sub emergency_save() { 3223sub emergency_save() {
2457 my $freeze_guard = cf::freeze_mainloop; 3224 my $freeze_guard = cf::freeze_mainloop;
2458 3225
2459 warn "enter emergency perl save\n"; 3226 warn "enter emergency perl save\n";
2460 3227
2491 3258
2492 warn Carp::longmess "post_cleanup backtrace" 3259 warn Carp::longmess "post_cleanup backtrace"
2493 if $make_core; 3260 if $make_core;
2494} 3261}
2495 3262
2496sub reload() { 3263sub do_reload_perl() {
2497 # can/must only be called in main 3264 # can/must only be called in main
2498 if ($Coro::current != $Coro::main) { 3265 if ($Coro::current != $Coro::main) {
2499 warn "can only reload from main coroutine"; 3266 warn "can only reload from main coroutine";
2500 return; 3267 return;
2501 } 3268 }
2535 %EXT_CORO = (); 3302 %EXT_CORO = ();
2536 3303
2537 warn "removing commands"; 3304 warn "removing commands";
2538 %COMMAND = (); 3305 %COMMAND = ();
2539 3306
2540 warn "removing ext commands"; 3307 warn "removing ext/exti commands";
2541 %EXTCMD = (); 3308 %EXTCMD = ();
3309 %EXTICMD = ();
2542 3310
2543 warn "unloading/nuking all extensions"; 3311 warn "unloading/nuking all extensions";
2544 for my $pkg (@EXTS) { 3312 for my $pkg (@EXTS) {
2545 warn "... unloading $pkg"; 3313 warn "... unloading $pkg";
2546 3314
2576 Symbol::delete_package "safe::$_" 3344 Symbol::delete_package "safe::$_"
2577 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3345 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578 3346
2579 warn "unloading cf.pm \"a bit\""; 3347 warn "unloading cf.pm \"a bit\"";
2580 delete $INC{"cf.pm"}; 3348 delete $INC{"cf.pm"};
3349 delete $INC{"cf/pod.pm"};
2581 3350
2582 # don't, removes xs symbols, too, 3351 # don't, removes xs symbols, too,
2583 # and global variables created in xs 3352 # and global variables created in xs
2584 #Symbol::delete_package __PACKAGE__; 3353 #Symbol::delete_package __PACKAGE__;
2585 3354
2588 warn "reloading cf.pm"; 3357 warn "reloading cf.pm";
2589 require cf; 3358 require cf;
2590 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3359 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591 3360
2592 warn "loading config and database again"; 3361 warn "loading config and database again";
2593 cf::cfg_load; 3362 cf::reload_config;
2594 3363
2595 warn "loading extensions"; 3364 warn "loading extensions";
2596 cf::load_extensions; 3365 cf::load_extensions;
2597 3366
2598 warn "reattaching attachments to objects/players"; 3367 warn "reattaching attachments to objects/players";
2600 warn "reattaching attachments to maps"; 3369 warn "reattaching attachments to maps";
2601 reattach $_ for values %MAP; 3370 reattach $_ for values %MAP;
2602 warn "reattaching attachments to players"; 3371 warn "reattaching attachments to players";
2603 reattach $_ for values %PLAYER; 3372 reattach $_ for values %PLAYER;
2604 3373
2605 warn "loading reloadable resources";
2606 reload_resources;
2607
2608 warn "leaving sync_job"; 3374 warn "leaving sync_job";
2609 3375
2610 1 3376 1
2611 } or do { 3377 } or do {
2612 warn $@; 3378 warn $@;
2617 warn "reloaded"; 3383 warn "reloaded";
2618}; 3384};
2619 3385
2620our $RELOAD_WATCHER; # used only during reload 3386our $RELOAD_WATCHER; # used only during reload
2621 3387
3388sub reload_perl() {
3389 # doing reload synchronously and two reloads happen back-to-back,
3390 # coro crashes during coro_state_free->destroy here.
3391
3392 $RELOAD_WATCHER ||= Event->timer (
3393 reentrant => 0,
3394 after => 0,
3395 data => WF_AUTOCANCEL,
3396 cb => sub {
3397 do_reload_perl;
3398 undef $RELOAD_WATCHER;
3399 },
3400 );
3401}
3402
2622register_command "reload" => sub { 3403register_command "reload" => sub {
2623 my ($who, $arg) = @_; 3404 my ($who, $arg) = @_;
2624 3405
2625 if ($who->flag (FLAG_WIZ)) { 3406 if ($who->flag (FLAG_WIZ)) {
2626 $who->message ("reloading server."); 3407 $who->message ("reloading server.");
2627 3408 async { reload_perl };
2628 # doing reload synchronously and two reloads happen back-to-back,
2629 # coro crashes during coro_state_free->destroy here.
2630
2631 $RELOAD_WATCHER ||= Event->timer (
2632 reentrant => 0,
2633 after => 0,
2634 data => WF_AUTOCANCEL,
2635 cb => sub {
2636 reload;
2637 undef $RELOAD_WATCHER;
2638 },
2639 );
2640 } 3409 }
2641}; 3410};
2642 3411
2643unshift @INC, $LIBDIR; 3412unshift @INC, $LIBDIR;
2644 3413
2646 3415
2647our @WAIT_FOR_TICK; 3416our @WAIT_FOR_TICK;
2648our @WAIT_FOR_TICK_BEGIN; 3417our @WAIT_FOR_TICK_BEGIN;
2649 3418
2650sub wait_for_tick { 3419sub wait_for_tick {
3420 return unless $TICK_WATCHER->is_active;
3421 return if $Coro::current == $Coro::main;
3422
2651 my $signal = new Coro::Signal; 3423 my $signal = new Coro::Signal;
2652 push @WAIT_FOR_TICK, $signal; 3424 push @WAIT_FOR_TICK, $signal;
2653 $signal->wait; 3425 $signal->wait;
2654} 3426}
2655 3427
2656sub wait_for_tick_begin { 3428sub wait_for_tick_begin {
3429 return unless $TICK_WATCHER->is_active;
3430 return if $Coro::current == $Coro::main;
3431
2657 my $signal = new Coro::Signal; 3432 my $signal = new Coro::Signal;
2658 push @WAIT_FOR_TICK_BEGIN, $signal; 3433 push @WAIT_FOR_TICK_BEGIN, $signal;
2659 $signal->wait; 3434 $signal->wait;
2660} 3435}
2661 3436
3437 my $min = 1e6;#d#
3438 my $avg = 10;
2662$TICK_WATCHER = Event->timer ( 3439$TICK_WATCHER = Event->timer (
2663 reentrant => 0, 3440 reentrant => 0,
2664 parked => 1, 3441 parked => 1,
2665 prio => 0, 3442 prio => 0,
2666 at => $NEXT_TICK || $TICK, 3443 at => $NEXT_TICK || $TICK,
2670 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3447 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671 unless ++$bug_warning > 10; 3448 unless ++$bug_warning > 10;
2672 return; 3449 return;
2673 } 3450 }
2674 3451
2675 $NOW = Event::time; 3452 $NOW = $tick_start = Event::time;
2676 3453
2677 cf::server_tick; # one server iteration 3454 cf::server_tick; # one server iteration
3455
3456 0 && sync_job {#d#
3457 for(1..10) {
3458 my $t = Event::time;
3459 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3460 or die;
3461
3462 $map->width (50);
3463 $map->height (50);
3464 $map->alloc;
3465 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3466 my $t = Event::time - $t;
3467
3468 #next unless $t < 0.0013;#d#
3469 if ($t < $min) {
3470 $min = $t;
3471 }
3472 $avg = $avg * 0.99 + $t * 0.01;
3473 }
3474 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3475 exit 0;
3476 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3477 };
3478
2678 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2679 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2680 3481
2681 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682 $NEXT_RUNTIME_WRITE = $NOW + 10; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
2684 write_runtime 3485 write_runtime
2685 or warn "ERROR: unable to write runtime file: $!"; 3486 or warn "ERROR: unable to write runtime file: $!";
2686 }; 3487 };
2687 } 3488 }
2688 3489
3490# my $AFTER = Event::time;
3491# warn $AFTER - $NOW;#d#
3492
2689 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3493 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690 $sig->send; 3494 $sig->send;
2691 } 3495 }
2692 while (my $sig = shift @WAIT_FOR_TICK) { 3496 while (my $sig = shift @WAIT_FOR_TICK) {
2693 $sig->send; 3497 $sig->send;
2694 } 3498 }
2695 3499
2696# my $AFTER = Event::time; 3500 $NOW = Event::time;
2697# warn $AFTER - $NOW;#d#
2698 3501
2699 # if we are delayed by four ticks or more, skip them all 3502 # if we are delayed by four ticks or more, skip them all
2700 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3503 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2701 3504
2702 $TICK_WATCHER->at ($NEXT_TICK); 3505 $TICK_WATCHER->at ($NEXT_TICK);
2703 $TICK_WATCHER->start; 3506 $TICK_WATCHER->start;
3507
3508 $LOAD = ($NOW - $tick_start) / $TICK;
3509 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3510
3511 _post_tick;
3512
3513
2704 }, 3514 },
2705); 3515);
2706 3516
2707{ 3517{
2708 BDB::max_poll_time $TICK * 0.1; 3518 BDB::max_poll_time $TICK * 0.1;
2736 3546
2737 cf::sync_job { 3547 cf::sync_job {
2738 eval { 3548 eval {
2739 BDB::db_env_open 3549 BDB::db_env_open
2740 $DB_ENV, 3550 $DB_ENV,
2741 $BDB_ENV_DIR, 3551 $BDBDIR,
2742 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3552 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3553 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744 0666; 3554 0666;
2745 3555
2746 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3556 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747 3557
2748 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3558 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749 $DB_ENV->set_lk_detect; 3559 $DB_ENV->set_lk_detect;
2750 }; 3560 };
2751 3561
2767 prio => 6, 3577 prio => 6,
2768 cb => \&IO::AIO::poll_cb, 3578 cb => \&IO::AIO::poll_cb,
2769 ); 3579 );
2770} 3580}
2771 3581
3582my $_log_backtrace;
3583
3584sub _log_backtrace {
3585 my ($msg, @addr) = @_;
3586
3587 $msg =~ s/\n//;
3588
3589 # limit the # of concurrent backtraces
3590 if ($_log_backtrace < 2) {
3591 ++$_log_backtrace;
3592 async {
3593 my @bt = fork_call {
3594 @addr = map { sprintf "%x", $_ } @addr;
3595 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3596 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3597 or die "addr2line: $!";
3598
3599 my @funcs;
3600 my @res = <$fh>;
3601 chomp for @res;
3602 while (@res) {
3603 my ($func, $line) = splice @res, 0, 2, ();
3604 push @funcs, "[$func] $line";
3605 }
3606
3607 @funcs
3608 };
3609
3610 LOG llevInfo, "[ABT] $msg\n";
3611 LOG llevInfo, "[ABT] $_\n" for @bt;
3612 --$_log_backtrace;
3613 };
3614 } else {
3615 LOG llevInfo, "[ABT] $msg\n";
3616 LOG llevInfo, "[ABT] [suppressed]\n";
3617 }
3618}
3619
3620# load additional modules
3621use cf::pod;
3622
2772END { cf::emergency_save } 3623END { cf::emergency_save }
2773 3624
27741 36251
2775 3626

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