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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 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;
23use Coro::Storable;
24use Coro::Util ();
21 25
26use JSON::XS ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
26use YAML::Syck (); 31use YAML::Syck ();
27use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
31# configure various modules to our taste 37# configure various modules to our taste
32# 38#
39$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 42
36$Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
37 44
45our %COMMAND = (); 52our %COMMAND = ();
46our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
47 54
48our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
52 60
53our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
54our @EVENT; 62our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 63
57our $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(!)
58our $TICK_WATCHER; 77our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 80our $NEXT_TICK;
62our $NOW; 81our $NOW;
68our %CFG; 87our %CFG;
69 88
70our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 90our $RUNTIME;
72 91
73our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 95
82# 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 ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
85binmode STDOUT; 103binmode STDOUT;
86binmode STDERR; 104binmode STDERR;
87 105
88# read virtual server time, if available 106# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
93} 111}
94 112
95mkdir cf::localdir; 113mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 115
102our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
103 117
104sub cf::map::normalise; 118sub cf::map::normalise;
105 119
116=item $cf::RUNTIME 130=item $cf::RUNTIME
117 131
118The 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
119every server tick. 133every server tick.
120 134
121=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
122 138
123The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
124be 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.
125 143
126=item $cf::NOW 144=item $cf::NOW
127 145
128The time of the last (current) server tick. 146The time of the last (current) server tick.
129 147
130=item $cf::TICK 148=item $cf::TICK
131 149
132The 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.
133 161
134=item %cf::CFG 162=item %cf::CFG
135 163
136Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 165from wherever your confdir points to.
138 166
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
140 168
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
145 178
146=back 179=back
147 180
148=cut 181=cut
149 182
150BEGIN { 183BEGIN {
151 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 185 my $msg = join "", @_;
153 utf8::encode $msg;
154 186
155 $msg .= "\n" 187 $msg .= "\n"
156 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157 191
158 LOG llevError, $msg; 192 LOG llevError, $msg;
159 }; 193 };
160} 194}
161 195
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@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';
167@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)
168 203
169# 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
170# within the Safe compartment. 205# within the Safe compartment.
171for my $pkg (qw( 206for my $pkg (qw(
172 cf::global cf::attachable 207 cf::global cf::attachable
180} 215}
181 216
182$Event::DIED = sub { 217$Event::DIED = sub {
183 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
184}; 219};
220
221#############################################################################
185 222
186=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
187 224
188=over 4 225=over 4
189 226
208 $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;
209 $d 246 $d
210 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
211} 248}
212 249
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
216 251
217Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
218 253
219=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
220 255
221Converts 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]) }
222 264
223=item cf::lock_wait $string 265=item cf::lock_wait $string
224 266
225Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
226 268
229Wait 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
230a 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,
231for example when the coroutine gets canceled), the lock is automatically 273for example when the coroutine gets canceled), the lock is automatically
232returned. 274returned.
233 275
276Locks are *not* recursive, locking from the same coro twice results in a
277deadlocked coro.
278
234Lock 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
235uses map_find and cf::map::load uses map_load). 280uses map_find and cf::map::load uses map_load).
236 281
282=item $locked = cf::lock_active $string
283
284Return true if the lock is currently active, i.e. somebody has locked it.
285
237=cut 286=cut
238 287
239our %LOCK; 288our %LOCK;
289our %LOCKER;#d#
240 290
241sub lock_wait($) { 291sub lock_wait($) {
242 my ($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#
243 298
244 # wait for lock, if any 299 # wait for lock, if any
245 while ($LOCK{$key}) { 300 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 301 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 302 Coro::schedule;
253 308
254 # wait, to be sure we are not locked 309 # wait, to be sure we are not locked
255 lock_wait $key; 310 lock_wait $key;
256 311
257 $LOCK{$key} = []; 312 $LOCK{$key} = [];
313 $LOCKER{$key} = $Coro::current;#d#
258 314
259 Coro::guard { 315 Coro::guard {
316 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 317 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 318 $_->ready for @{ delete $LOCK{$key} };
262 } 319 }
320}
321
322sub lock_active($) {
323 my ($key) = @_;
324
325 ! ! $LOCK{$key}
263} 326}
264 327
265sub freeze_mainloop { 328sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 329 return unless $TICK_WATCHER->is_active;
267 330
270 }; 333 };
271 $TICK_WATCHER->stop; 334 $TICK_WATCHER->stop;
272 $guard 335 $guard
273} 336}
274 337
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
275=item cf::async { BLOCK } 394=item cf::async { BLOCK }
276 395
277Currently the same as Coro::async_pool, meaning you cannot use 396Currently the same as Coro::async_pool, meaning you cannot use
278C<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
279thing you are allowed to do is call C<prio> on it. 398thing you are allowed to do is call C<prio> on it.
282 401
283BEGIN { *async = \&Coro::async_pool } 402BEGIN { *async = \&Coro::async_pool }
284 403
285=item cf::sync_job { BLOCK } 404=item cf::sync_job { BLOCK }
286 405
287The design of crossfire+ requires that the main coro ($Coro::main) is 406The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 407is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. 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.
290 410
291If 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
292the given BLOCK in another coroutine while waiting for the result. The 412the given BLOCK in another coroutine while waiting for the result. The
293server 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
294fast or be very important. 414fast or be very important.
297 417
298sub sync_job(&) { 418sub sync_job(&) {
299 my ($job) = @_; 419 my ($job) = @_;
300 420
301 if ($Coro::current == $Coro::main) { 421 if ($Coro::current == $Coro::main) {
422 my $time = Event::time;
423
302 # this is the main coro, too bad, we have to block 424 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 425 # till the operation succeeds, freezing the server :/
304 426
305 # TODO: use suspend/resume instead 427 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 428 # (but this is cancel-safe)
317 439
318 while ($busy) { 440 while ($busy) {
319 Coro::cede or Event::one_event; 441 Coro::cede or Event::one_event;
320 } 442 }
321 443
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
322 wantarray ? @res : $res[0] 451 wantarray ? @res : $res[0]
323 } else { 452 } else {
324 # we are in another coroutine, how wonderful, everything just works 453 # we are in another coroutine, how wonderful, everything just works
325 454
326 $job->() 455 $job->()
345 $EXT_CORO{$coro+0} = $coro; 474 $EXT_CORO{$coro+0} = $coro;
346 475
347 $coro 476 $coro
348} 477}
349 478
350sub write_runtime { 479=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 480
353 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.
354 485
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 486=cut
356 or return;
357 487
358 my $value = $cf::RUNTIME + 90 + 10; 488sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 489 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 490
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 491 # we seemingly have to make a local copy of the whole thing,
363 and return; 492 # otherwise perl prematurely frees the stuff :/
493 # TODO: investigate and fix (likely this will be rather laborious)
364 494
365 # always fsync - this file is important 495 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 496 reset_signals;
367 and return; 497 &$cb
498 }, @args;
368 499
369 close $fh 500 wantarray ? @res : $res[-1]
370 or return; 501}
371 502
372 aio_rename "$runtime~", $runtime 503=item $value = cf::db_get $family => $key
373 and return;
374 504
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 };
375 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"
376} 617}
377 618
378=item cf::datalog type => key => value, ... 619=item cf::datalog type => key => value, ...
379 620
380Log 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.
398attach callbacks/event handlers (a collection of which is called an "attachment") 639attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 640to it. All such attachable objects support the following methods.
400 641
401In 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>
402C<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
403crossfire+). 644Crossfire TRT).
404 645
405=over 4 646=over 4
406 647
407=item $attachable->attach ($attachment, key => $value...) 648=item $attachable->attach ($attachment, key => $value...)
408 649
571 $registry = $CB_TYPE[$object_type] ||= []; 812 $registry = $CB_TYPE[$object_type] ||= [];
572 813
573 } elsif ($type eq "subtype") { 814 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 815 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 816 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 817 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 818
578 } elsif ($type eq "package") { 819 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 820 my $pkg = shift @arg;
580 821
581 while (my ($name, $id) = each %cb_id) { 822 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 851 _attach $registry, $klass, @attach;
611 } 852 }
612 853
613 $obj->{$name} = \%arg; 854 $obj->{$name} = \%arg;
614 } else { 855 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 856 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 857 }
617 858
618 $obj->{_attachment}{$name} = undef; 859 $obj->{_attachment}{$name} = undef;
619} 860}
620 861
622 if (ref $_[0]) { 863 if (ref $_[0]) {
623 _object_attach @_; 864 _object_attach @_;
624 } else { 865 } else {
625 _attach shift->_attach_registry, @_; 866 _attach shift->_attach_registry, @_;
626 } 867 }
868 _recalc_want;
627}; 869};
628 870
629# all those should be optimised 871# all those should be optimised
630sub cf::attachable::detach { 872sub cf::attachable::detach {
631 my ($obj, $name) = @_; 873 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 876 delete $obj->{_attachment}{$name};
635 reattach ($obj); 877 reattach ($obj);
636 } else { 878 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 879 Carp::croak "cannot, currently, detach class attachments";
638 } 880 }
881 _recalc_want;
639}; 882};
640 883
641sub cf::attachable::attached { 884sub cf::attachable::attached {
642 my ($obj, $name) = @_; 885 my ($obj, $name) = @_;
643 886
658 "; 901 ";
659 die if $@; 902 die if $@;
660} 903}
661 904
662our $override; 905our $override;
663our @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?
664 907
665sub override { 908sub override {
666 $override = 1; 909 $override = 1;
667 @invoke_results = (); 910 @INVOKE_RESULTS = (@_);
668} 911}
669 912
670sub do_invoke { 913sub do_invoke {
671 my $event = shift; 914 my $event = shift;
672 my $callbacks = shift; 915 my $callbacks = shift;
673 916
674 @invoke_results = (); 917 @INVOKE_RESULTS = ();
675 918
676 local $override; 919 local $override;
677 920
678 for (@$callbacks) { 921 for (@$callbacks) {
679 eval { &{$_->[1]} }; 922 eval { &{$_->[1]} };
696 939
697Generate an object-specific event with the given arguments. 940Generate an object-specific event with the given arguments.
698 941
699This 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
700removed 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
701results (if you must, access C<@cf::invoke_results> directly). 944results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 945
703=back 946=back
704 947
705=cut 948=cut
706 949
707############################################################################# 950#############################################################################
708# 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}
709 963
710sub reattach { 964sub reattach {
711 # basically do the same as instantiate, without calling instantiate 965 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 966 my ($obj) = @_;
713 967
758); 1012);
759 1013
760sub object_freezer_save { 1014sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1015 my ($filename, $rdata, $objs) = @_;
762 1016
1017 my $guard = cf::lock_acquire "io";
1018
763 sync_job { 1019 sync_job {
764 if (length $$rdata) { 1020 if (length $$rdata) {
1021 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1023 $decname, length $$rdata, scalar @$objs;
767 1024
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1026 chmod SAVE_MODE, $fh;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1028 aio_fsync $fh if $cf::USE_FSYNC;
790 } 1047 }
791 } else { 1048 } else {
792 aio_unlink $filename; 1049 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
794 } 1051 }
795 } 1052 };
1053
1054 undef $guard;
796} 1055}
797 1056
798sub object_freezer_as_string { 1057sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
800 1059
805 1064
806sub object_thawer_load { 1065sub object_thawer_load {
807 my ($filename) = @_; 1066 my ($filename) = @_;
808 1067
809 my ($data, $av); 1068 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
810 1071
811 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
812 or return; 1073 or return;
813 1074
814 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
816 or return; 1077 or return;
1078
1079 undef $guard;
817 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
818 } 1081 }
819 1082
1083 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1084 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1085 $decname, length $data, scalar @{$av || []};
1086
822 return ($data, $av); 1087 ($data, $av)
823} 1088}
1089
1090=head2 COMMAND CALLBACKS
1091
1092=over 4
1093
1094=cut
824 1095
825############################################################################# 1096#############################################################################
826# command handling &c 1097# command handling &c
827 1098
828=item cf::register_command $name => \&callback($ob,$args); 1099=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1112 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1113}
843 1114
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1115=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1116
846Register 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.
847 1122
848If 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
849called. 1124called.
850 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
851=cut 1137=cut
852 1138
853sub register_extcmd { 1139sub register_extcmd {
854 my ($name, $cb) = @_; 1140 my ($name, $cb) = @_;
855 1141
856 $EXTCMD{$name} = $cb; 1142 $EXTCMD{$name} = $cb;
1143}
1144
1145sub register_exticmd {
1146 my ($name, $cb) = @_;
1147
1148 $EXTICMD{$name} = $cb;
857} 1149}
858 1150
859cf::player->attach ( 1151cf::player->attach (
860 on_command => sub { 1152 on_command => sub {
861 my ($pl, $name, $params) = @_; 1153 my ($pl, $name, $params) = @_;
870 cf::override; 1162 cf::override;
871 }, 1163 },
872 on_extcmd => sub { 1164 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1165 my ($pl, $buf) = @_;
874 1166
875 my $msg = eval { from_json $buf }; 1167 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1168
877 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
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1177 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1178 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1179 }
1180
1181 $pl->ext_reply ($reply, @reply)
1182 if $reply;
1183
883 } else { 1184 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1185 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1186 }
886 1187
887 cf::override; 1188 cf::override;
888 }, 1189 },
889); 1190);
890 1191
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1192sub load_extensions {
1193 cf::sync_job {
1194 my %todo;
1195
926 for my $ext (<$LIBDIR/*.ext>) { 1196 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1197 next unless -r $path;
928 eval { 1198
929 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;
930 1 1256 }
931 } or warn "$ext not loaded: $@"; 1257
1258 skip:
1259 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1260 unless $progress;
1261 }
932 } 1262 };
933} 1263}
934 1264
935############################################################################# 1265#############################################################################
936 1266
1267=back
1268
937=head2 CORE EXTENSIONS 1269=head2 CORE EXTENSIONS
938 1270
939Functions and methods that extend core crossfire objects. 1271Functions and methods that extend core crossfire objects.
940 1272
941=cut 1273=cut
946 1278
947=head3 cf::player 1279=head3 cf::player
948 1280
949=over 4 1281=over 4
950 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
951=item cf::player::find $login 1297=item cf::player::find $login
952 1298
953Returns the given player object, loading it if necessary (might block). 1299Returns the given player object, loading it if necessary (might block).
954 1300
955=cut 1301=cut
956 1302
957sub playerdir($) { 1303sub playerdir($) {
958 cf::localdir 1304 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1305 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1306}
964 1307
965sub path($) { 1308sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1309 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1310
968 (playerdir $login) . "/$login.pl" 1311 (playerdir $login) . "/playerdata"
969} 1312}
970 1313
971sub find_active($) { 1314sub find_active($) {
972 $cf::PLAYER{$_[0]} 1315 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1316 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1329 my $login = $_[0];
987 1330
988 my $guard = cf::lock_acquire "user_find:$login"; 1331 my $guard = cf::lock_acquire "user_find:$login";
989 1332
990 $cf::PLAYER{$_[0]} || do { 1333 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login 1334 # rename old playerfiles to new ones
1335 #TODO: remove when no longer required
1336 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1337 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1338 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1339 aio_unlink +(playerdir $login) . "/$login.pl";
1340
1341 my $f = new_from_file cf::object::thawer path $login
992 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;
993 $cf::PLAYER{$login} = $pl 1349 $cf::PLAYER{$login} = $pl
994 } 1350 }
995 } 1351 }
996} 1352}
997 1353
1007 1363
1008 aio_mkdir playerdir $pl, 0770; 1364 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME; 1365 $pl->{last_save} = $cf::RUNTIME;
1010 1366
1011 $pl->save_pl ($path); 1367 $pl->save_pl ($path);
1012 Coro::cede; 1368 cf::cede_to_tick;
1013} 1369}
1014 1370
1015sub new($) { 1371sub new($) {
1016 my ($login) = @_; 1372 my ($login) = @_;
1017 1373
1021 $self->{deny_save} = 1; 1377 $self->{deny_save} = 1;
1022 1378
1023 $cf::PLAYER{$login} = $self; 1379 $cf::PLAYER{$login} = $self;
1024 1380
1025 $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 (@_);
1026} 1392}
1027 1393
1028=item $pl->quit_character 1394=item $pl->quit_character
1029 1395
1030Nukes the player without looking back. If logged in, the connection will 1396Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1445while and may block, so not sync_job-capable, ever.
1080 1446
1081=cut 1447=cut
1082 1448
1083sub list_logins { 1449sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1450 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1451 or return [];
1086 1452
1087 my @logins; 1453 my @logins;
1088 1454
1089 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") {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1460 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next; 1461 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag 1462 $buf !~ /^password -------------$/m or next; # official not-valid tag
1463 }
1093 1464
1094 utf8::decode $login; 1465 utf8::decode $login;
1095 push @logins, $login; 1466 push @logins, $login;
1096 } 1467 }
1097 1468
1124 } 1495 }
1125 1496
1126 \@paths 1497 \@paths
1127} 1498}
1128 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
1129=item $player->ext_reply ($msgid, $msgtype, %msg) 1551=item $player->ext_reply ($msgid, @msg)
1130 1552
1131Sends an ext reply to the player. 1553Sends an ext reply to the player.
1132 1554
1133=cut 1555=cut
1134 1556
1135sub ext_reply($$$%) { 1557sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1558 my ($self, $id, @msg) = @_;
1137 1559
1138 $msg{msgid} = $id; 1560 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1561}
1142 1562
1143package cf; 1563=item $player->ext_msg ($type, @msg)
1564
1565Sends an ext event to the client.
1566
1567=cut
1568
1569sub ext_msg($$@) {
1570 my ($self, $type, @msg) = @_;
1571
1572 $self->ns->ext_msg ($type, @msg);
1573}
1574
1575=head3 cf::region
1576
1577=over 4
1578
1579=cut
1580
1581package cf::region;
1582
1583=item cf::region::find_by_path $path
1584
1585Tries to decuce the likely region for a map knowing only its path.
1586
1587=cut
1588
1589sub find_by_path($) {
1590 my ($path) = @_;
1591
1592 my ($match, $specificity);
1593
1594 for my $region (list) {
1595 if ($region->{match} && $path =~ $region->{match}) {
1596 ($match, $specificity) = ($region, $region->specificity)
1597 if $region->specificity > $specificity;
1598 }
1599 }
1600
1601 $match
1602}
1144 1603
1145=back 1604=back
1146
1147 1605
1148=head3 cf::map 1606=head3 cf::map
1149 1607
1150=over 4 1608=over 4
1151 1609
1206 my ($self, $merge) = @_; 1664 my ($self, $merge) = @_;
1207 1665
1208 # we have to keep some variables in memory intact 1666 # we have to keep some variables in memory intact
1209 local $self->{path}; 1667 local $self->{path};
1210 local $self->{load_path}; 1668 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213 1669
1214 $self->SUPER::thawer_merge ($merge); 1670 $self->SUPER::thawer_merge ($merge);
1215} 1671}
1216 1672
1217sub normalise { 1673sub normalise {
1264 $self->init; # pass $1 etc. 1720 $self->init; # pass $1 etc.
1265 return $self; 1721 return $self;
1266 } 1722 }
1267 } 1723 }
1268 1724
1269 Carp::carp "unable to resolve path '$path' (base '$base')."; 1725 Carp::cluck "unable to resolve path '$path' (base '$base').";
1270 () 1726 ()
1271} 1727}
1272 1728
1273sub init { 1729sub init {
1274 my ($self) = @_; 1730 my ($self) = @_;
1289 1745
1290# the original (read-only) location 1746# the original (read-only) location
1291sub load_path { 1747sub load_path {
1292 my ($self) = @_; 1748 my ($self) = @_;
1293 1749
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1750 "$MAPDIR/$self->{path}.map"
1295} 1751}
1296 1752
1297# the temporary/swap location 1753# the temporary/swap location
1298sub save_path { 1754sub save_path {
1299 my ($self) = @_; 1755 my ($self) = @_;
1300 1756
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1757 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1758 "$TMPDIR/$path.map"
1303} 1759}
1304 1760
1305# the unique path, undef == no special unique path 1761# the unique path, undef == no special unique path
1306sub uniq_path { 1762sub uniq_path {
1307 my ($self) = @_; 1763 my ($self) = @_;
1308 1764
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1765 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1766 "$UNIQUEDIR/$path"
1311} 1767}
1312 1768
1313# and all this just because we cannot iterate over 1769# and all this just because we cannot iterate over
1314# all maps in C++... 1770# all maps in C++...
1315sub change_all_map_light { 1771sub change_all_map_light {
1317 1773
1318 $_->change_map_light ($change) 1774 $_->change_map_light ($change)
1319 for grep $_->outdoor, values %cf::MAP; 1775 for grep $_->outdoor, values %cf::MAP;
1320} 1776}
1321 1777
1778sub decay_objects {
1779 my ($self) = @_;
1780
1781 return if $self->{deny_reset};
1782
1783 $self->do_decay_objects;
1784}
1785
1322sub unlink_save { 1786sub unlink_save {
1323 my ($self) = @_; 1787 my ($self) = @_;
1324 1788
1325 utf8::encode (my $save = $self->save_path); 1789 utf8::encode (my $save = $self->save_path);
1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1790 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1329 1793
1330sub load_header_from($) { 1794sub load_header_from($) {
1331 my ($self, $path) = @_; 1795 my ($self, $path) = @_;
1332 1796
1333 utf8::encode $path; 1797 utf8::encode $path;
1334 #aio_open $path, O_RDONLY, 0 1798 my $f = new_from_file cf::object::thawer $path
1335 # or return;
1336
1337 $self->_load_header ($path)
1338 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;
1339 1806
1340 $self->{load_path} = $path; 1807 $self->{load_path} = $path;
1341 1808
1342 1 1809 1
1343} 1810}
1382 $self->load_header_orig 1849 $self->load_header_orig
1383 or return; 1850 or return;
1384 $self->prepare_orig; 1851 $self->prepare_orig;
1385 } 1852 }
1386 1853
1854 $self->{deny_reset} = 1
1855 if $self->no_reset;
1856
1857 $self->default_region (cf::region::find_by_path $self->{path})
1858 unless $self->default_region;
1859
1387 1 1860 1
1388} 1861}
1389 1862
1390sub find; 1863sub find;
1391sub find { 1864sub find {
1392 my ($path, $origin) = @_; 1865 my ($path, $origin) = @_;
1393 1866
1394 $path = normalise $path, $origin && $origin->path; 1867 $path = normalise $path, $origin && $origin->path;
1395 1868
1869 cf::lock_wait "map_data:$path";#d#remove
1396 cf::lock_wait "map_find:$path"; 1870 cf::lock_wait "map_find:$path";
1397 1871
1398 $cf::MAP{$path} || do { 1872 $cf::MAP{$path} || do {
1399 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
1400 my $map = new_from_path cf::map $path 1876 my $map = new_from_path cf::map $path
1401 or return; 1877 or return;
1402 1878
1403 $map->{last_save} = $cf::RUNTIME; 1879 $map->{last_save} = $cf::RUNTIME;
1404 1880
1405 $map->load_header 1881 $map->load_header
1406 or return; 1882 or return;
1407 1883
1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1884 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously 1885 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait; 1886 #$cf::WAIT_FOR_TICK->wait;
1887 undef $guard1;
1888 undef $guard2;
1411 $map->reset; 1889 $map->reset;
1412 undef $guard;
1413 return find $path; 1890 return find $path;
1414 } 1891 }
1415 1892
1416 $cf::MAP{$path} = $map 1893 $cf::MAP{$path} = $map
1417 } 1894 }
1424 my ($self) = @_; 1901 my ($self) = @_;
1425 1902
1426 local $self->{deny_reset} = 1; # loading can take a long time 1903 local $self->{deny_reset} = 1; # loading can take a long time
1427 1904
1428 my $path = $self->{path}; 1905 my $path = $self->{path};
1906
1907 {
1429 my $guard = cf::lock_acquire "map_load:$path"; 1908 my $guard = cf::lock_acquire "map_data:$path";
1430 1909
1910 return unless $self->valid;
1431 return if $self->in_memory != cf::MAP_SWAPPED; 1911 return unless $self->in_memory == cf::MAP_SWAPPED;
1432 1912
1433 $self->in_memory (cf::MAP_LOADING); 1913 $self->in_memory (cf::MAP_LOADING);
1434 1914
1435 $self->alloc; 1915 $self->alloc;
1436 1916
1437 $self->pre_load; 1917 $self->pre_load;
1918 cf::cede_to_tick;
1438 1919
1439 $self->_load_objects ($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)
1440 or return; 1923 or return;
1441 1924
1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1925 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443 if delete $self->{load_original}; 1926 if delete $self->{load_original};
1444 1927
1445 if (my $uniq = $self->uniq_path) { 1928 if (my $uniq = $self->uniq_path) {
1446 utf8::encode $uniq; 1929 utf8::encode $uniq;
1447 if (aio_open $uniq, O_RDONLY, 0) { 1930 unless (aio_stat $uniq) {
1931 if (my $f = new_from_file cf::object::thawer $uniq) {
1448 $self->clear_unique_items; 1932 $self->clear_unique_items;
1449 $self->_load_objects ($uniq, 0); 1933 $self->_load_objects ($f);
1934 $f->resolve_delayed_derefs;
1935 }
1450 } 1936 }
1451 } 1937 }
1452 1938
1453 Coro::cede; 1939 $f->resolve_delayed_derefs;
1454 1940
1941 cf::cede_to_tick;
1455 # now do the right thing for maps 1942 # now do the right thing for maps
1456 $self->link_multipart_objects; 1943 $self->link_multipart_objects;
1457
1458 unless ($self->{deny_activate}) {
1459 $self->decay_objects;
1460 $self->fix_auto_apply;
1461 $self->update_buttons;
1462 Coro::cede;
1463 $self->set_darkness_map;
1464 $self->difficulty ($self->estimate_difficulty) 1944 $self->difficulty ($self->estimate_difficulty)
1465 unless $self->difficulty; 1945 unless $self->difficulty;
1466 Coro::cede; 1946 cf::cede_to_tick;
1947
1948 unless ($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;
1467 $self->activate; 1955 $self->activate;
1956 }
1957
1958 $self->{last_save} = $cf::RUNTIME;
1959 $self->last_access ($cf::RUNTIME);
1960
1961 $self->in_memory (cf::MAP_IN_MEMORY);
1468 } 1962 }
1469 1963
1470 $self->post_load; 1964 $self->post_load;
1471
1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473} 1965}
1474 1966
1475sub customise_for { 1967sub customise_for {
1476 my ($self, $ob) = @_; 1968 my ($self, $ob) = @_;
1477 1969
1478 return find "~" . $ob->name . "/" . $self->{path} 1970 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player; 1971 if $self->per_player;
1480 1972
1973# return find "?party/" . $ob->name . "/" . $self->{path}
1974# if $self->per_party;
1975
1481 $self 1976 $self
1482} 1977}
1483 1978
1484# find and load all maps in the 3x3 area around a map 1979# find and load all maps in the 3x3 area around a map
1485sub load_diag { 1980sub load_neighbours {
1486 my ($map) = @_; 1981 my ($map) = @_;
1487 1982
1488 my @diag; # diagonal neighbours 1983 my @neigh; # diagonal neighbours
1489 1984
1490 for (0 .. 3) { 1985 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_) 1986 my $neigh = $map->tile_path ($_)
1492 or next; 1987 or next;
1493 $neigh = find $neigh, $map 1988 $neigh = find $neigh, $map
1494 or next; 1989 or next;
1495 $neigh->load; 1990 $neigh->load;
1496 1991
1992 push @neigh,
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1993 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1994 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 } 1995 }
1500 1996
1501 for (@diag) { 1997 for (grep defined $_->[0], @neigh) {
1998 my ($path, $origin) = @$_;
1502 my $neigh = find @$_ 1999 my $neigh = find $path, $origin
1503 or next; 2000 or next;
1504 $neigh->load; 2001 $neigh->load;
1505 } 2002 }
1506} 2003}
1507 2004
1512} 2009}
1513 2010
1514sub do_load_sync { 2011sub do_load_sync {
1515 my ($map) = @_; 2012 my ($map) = @_;
1516 2013
2014 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2015 if $Coro::current == $Coro::main;
2016
1517 cf::sync_job { $map->load }; 2017 cf::sync_job { $map->load };
1518} 2018}
1519 2019
1520our %MAP_PREFETCH; 2020our %MAP_PREFETCH;
1521our $MAP_PREFETCHER = undef; 2021our $MAP_PREFETCHER = undef;
1522 2022
1523sub find_async { 2023sub find_async {
1524 my ($path, $origin) = @_; 2024 my ($path, $origin, $load) = @_;
1525 2025
1526 $path = normalise $path, $origin && $origin->{path}; 2026 $path = normalise $path, $origin && $origin->{path};
1527 2027
1528 if (my $map = $cf::MAP{$path}) { 2028 if (my $map = $cf::MAP{$path}) {
1529 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2029 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530 } 2030 }
1531 2031
1532 undef $MAP_PREFETCH{$path}; 2032 $MAP_PREFETCH{$path} |= $load;
2033
1533 $MAP_PREFETCHER ||= cf::async { 2034 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) { 2035 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) { 2036 while (my ($k, $v) = each %MAP_PREFETCH) {
1536 my $map = find $path 2037 if (my $map = find $k) {
1537 or next;
1538 $map->load; 2038 $map->load if $v;
2039 }
1539 2040
1540 delete $MAP_PREFETCH{$path}; 2041 delete $MAP_PREFETCH{$k};
1541 } 2042 }
1542 } 2043 }
1543 undef $MAP_PREFETCHER; 2044 undef $MAP_PREFETCHER;
1544 }; 2045 };
1545 $MAP_PREFETCHER->prio (6); 2046 $MAP_PREFETCHER->prio (6);
1548} 2049}
1549 2050
1550sub save { 2051sub save {
1551 my ($self) = @_; 2052 my ($self) = @_;
1552 2053
1553 my $lock = cf::lock_acquire "map_data:" . $self->path; 2054 my $lock = cf::lock_acquire "map_data:$self->{path}";
1554 2055
1555 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1556 2057
1557 return unless $self->dirty; 2058 return unless $self->dirty;
1558 2059
1581 my ($self) = @_; 2082 my ($self) = @_;
1582 2083
1583 # save first because save cedes 2084 # save first because save cedes
1584 $self->save; 2085 $self->save;
1585 2086
1586 my $lock = cf::lock_acquire "map_data:" . $self->path; 2087 my $lock = cf::lock_acquire "map_data:$self->{path}";
1587 2088
1588 return if $self->players; 2089 return if $self->players;
1589 return if $self->in_memory != cf::MAP_IN_MEMORY; 2090 return if $self->in_memory != cf::MAP_IN_MEMORY;
1590 return if $self->{deny_save}; 2091 return if $self->{deny_save};
1591 2092
2093 $self->in_memory (cf::MAP_SWAPPED);
2094
2095 $self->deactivate;
2096 $_->clear_links_to ($self) for values %cf::MAP;
1592 $self->clear; 2097 $self->clear;
1593 $self->in_memory (cf::MAP_SWAPPED);
1594} 2098}
1595 2099
1596sub reset_at { 2100sub reset_at {
1597 my ($self) = @_; 2101 my ($self) = @_;
1598 2102
1599 # TODO: safety, remove and allow resettable per-player maps 2103 # TODO: safety, remove and allow resettable per-player maps
1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1601 return 1e99 if $self->{deny_reset}; 2104 return 1e99 if $self->{deny_reset};
1602 2105
1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2106 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2107 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605 2108
1616 my ($self) = @_; 2119 my ($self) = @_;
1617 2120
1618 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2121 my $lock = cf::lock_acquire "map_data:$self->{path}";
1619 2122
1620 return if $self->players; 2123 return if $self->players;
1621 return if $self->isa ("ext::map_per_player");#d#
1622 2124
1623 warn "resetting map ", $self->path;#d# 2125 warn "resetting map ", $self->path;
1624 2126
1625 $self->in_memory (cf::MAP_SWAPPED); 2127 $self->in_memory (cf::MAP_SWAPPED);
1626 2128
1627 # need to save uniques path 2129 # need to save uniques path
1628 unless ($self->{deny_save}) { 2130 unless ($self->{deny_save}) {
1632 if $uniq; 2134 if $uniq;
1633 } 2135 }
1634 2136
1635 delete $cf::MAP{$self->path}; 2137 delete $cf::MAP{$self->path};
1636 2138
2139 $self->deactivate;
2140 $_->clear_links_to ($self) for values %cf::MAP;
1637 $self->clear; 2141 $self->clear;
1638
1639 $_->clear_links_to ($self) for values %cf::MAP;
1640 2142
1641 $self->unlink_save; 2143 $self->unlink_save;
1642 $self->destroy; 2144 $self->destroy;
1643} 2145}
1644 2146
1645my $nuke_counter = "aaaa"; 2147my $nuke_counter = "aaaa";
1646 2148
1647sub nuke { 2149sub nuke {
1648 my ($self) = @_; 2150 my ($self) = @_;
1649 2151
2152 {
2153 my $lock = cf::lock_acquire "map_data:$self->{path}";
2154
1650 delete $cf::MAP{$self->path}; 2155 delete $cf::MAP{$self->path};
1651 2156
1652 $self->unlink_save; 2157 $self->unlink_save;
1653 2158
1654 bless $self, "cf::map"; 2159 bless $self, "cf::map";
1655 delete $self->{deny_reset}; 2160 delete $self->{deny_reset};
1656 $self->{deny_save} = 1; 2161 $self->{deny_save} = 1;
1657 $self->reset_timeout (1); 2162 $self->reset_timeout (1);
1658 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2163 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659 2164
1660 $cf::MAP{$self->path} = $self; 2165 $cf::MAP{$self->path} = $self;
2166 }
1661 2167
1662 $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 ]
1663} 2205}
1664 2206
1665=item cf::map::unique_maps 2207=item cf::map::unique_maps
1666 2208
1667Returns an arrayref of paths of all shared maps that have 2209Returns an arrayref of paths of all shared maps that have
1668instantiated unique items. May block. 2210instantiated unique items. May block.
1669 2211
1670=cut 2212=cut
1671 2213
1672sub unique_maps() { 2214sub unique_maps() {
1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2215 [
1674 or return; 2216 map {
1675
1676 my @paths;
1677
1678 for (@$files) {
1679 utf8::decode $_; 2217 utf8::decode $_;
1680 next if /\.pst$/; 2218 /\.map$/
1681 next unless /^$PATH_SEP/o; 2219 ? normalise $_
1682 2220 : ()
1683 push @paths, cf::map::normalise $_; 2221 } @{ aio_readdir $UNIQUEDIR or [] }
1684 } 2222 ]
1685
1686 \@paths
1687} 2223}
1688 2224
1689package cf; 2225package cf;
1690 2226
1691=back 2227=back
1709 map { $_, inv_recursive_ $_->inv } @_ 2245 map { $_, inv_recursive_ $_->inv } @_
1710} 2246}
1711 2247
1712sub inv_recursive { 2248sub inv_recursive {
1713 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 }
1714} 2281}
1715 2282
1716package cf; 2283package cf;
1717 2284
1718=back 2285=back
1737 2304
1738 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2305 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739 2306
1740 if ($self->{record_replies}) { 2307 if ($self->{record_replies}) {
1741 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2308 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2309
1742 } 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 {
1743 $msg = $npc->name . " says: $msg" if $npc; 2318 $msg = $npc->name . " says: $msg" if $npc;
1744 $self->message ($msg, $flags); 2319 $self->message ($msg, $flags);
2320 }
1745 } 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 (@_);
1746} 2332}
1747 2333
1748=item $player_object->may ("access") 2334=item $player_object->may ("access")
1749 2335
1750Returns wether the given player is authorized to access resource "access" 2336Returns wether the given player is authorized to access resource "access"
1797 $self->deactivate_recursive; 2383 $self->deactivate_recursive;
1798 2384
1799 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2385 return if UNIVERSAL::isa $self->map, "ext::map_link";
1800 2386
1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2387 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802 if $self->map; 2388 if $self->map && $self->map->{path} ne "{link}";
1803 2389
1804 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2390 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1805} 2391}
1806 2392
1807sub cf::object::player::leave_link { 2393sub cf::object::player::leave_link {
1808 my ($self, $map, $x, $y) = @_; 2394 my ($self, $map, $x, $y) = @_;
2395
2396 return unless $self->contr->active;
1809 2397
1810 my $link_pos = delete $self->{_link_pos}; 2398 my $link_pos = delete $self->{_link_pos};
1811 2399
1812 unless ($map) { 2400 unless ($map) {
1813 # restore original map position 2401 # restore original map position
1827 # use -1 or undef as default coordinates, not 0, 0 2415 # use -1 or undef as default coordinates, not 0, 0
1828 ($x, $y) = ($map->enter_x, $map->enter_y) 2416 ($x, $y) = ($map->enter_x, $map->enter_y)
1829 if $x <=0 && $y <= 0; 2417 if $x <=0 && $y <= 0;
1830 2418
1831 $map->load; 2419 $map->load;
1832 $map->load_diag; 2420 $map->load_neighbours;
1833 2421
1834 return unless $self->contr->active; 2422 return unless $self->contr->active;
1835 $self->activate_recursive; 2423 $self->activate_recursive;
1836 2424
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2425 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838 $self->enter_map ($map, $x, $y); 2426 $self->enter_map ($map, $x, $y);
1839} 2427}
1840 2428
1841cf::player->attach ( 2429=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842 on_logout => sub {
1843 my ($pl) = @_;
1844 2430
1845 # abort map switching before logout 2431Moves the player to the given map-path and coordinates by first freezing
1846 if ($pl->ob->{_link_pos}) { 2432her, loading and preparing them map, calling the provided $check callback
1847 cf::sync_job { 2433that has to return the map if sucecssful, and then unfreezes the player on
1848 $pl->ob->leave_link 2434the new (success) or old (failed) map position. In either case, $done will
1849 }; 2435be called at the end of this process.
1850 }
1851 },
1852 on_login => sub {
1853 my ($pl) = @_;
1854 2436
1855 # try to abort aborted map switching on player login :)
1856 # should happen only on crashes
1857 if ($pl->ob->{_link_pos}) {
1858 $pl->ob->enter_link;
1859 (async {
1860 $pl->ob->reply (undef,
1861 "There was an internal problem at your last logout, "
1862 . "the server will try to bring you to your intended destination in a second.",
1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1866 Coro::Timer::sleep 1;
1867 $pl->ob->leave_link;
1868 })->prio (2);
1869 }
1870 },
1871);
1872
1873=item $player_object->goto ($path, $x, $y)
1874
1875=cut 2437=cut
2438
2439our $GOTOGEN;
1876 2440
1877sub cf::object::player::goto { 2441sub cf::object::player::goto {
1878 my ($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;
1879 2446
1880 $self->enter_link; 2447 $self->enter_link;
1881 2448
1882 (async { 2449 (async {
1883 my $map = eval { 2450 my $map = eval {
1884 my $map = cf::map::find $path; 2451 my $map = cf::map::find $path;
2452
2453 if ($map) {
1885 $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
1886 $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 $@;
1887 } or 2466 }
1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889 2467
2468 if ($gen == $self->{_goto_generation}) {
2469 delete $self->{_goto_generation};
1890 $self->leave_link ($map, $x, $y); 2470 $self->leave_link ($map, $x, $y);
2471 }
2472
2473 $done->() if $done;
1891 })->prio (1); 2474 })->prio (1);
1892} 2475}
1893 2476
1894=item $player_object->enter_exit ($exit_object) 2477=item $player_object->enter_exit ($exit_object)
1895 2478
1934 2517
1935 $rmp->{random_seed} ||= $exit->random_seed; 2518 $rmp->{random_seed} ||= $exit->random_seed;
1936 2519
1937 my $data = cf::to_json $rmp; 2520 my $data = cf::to_json $rmp;
1938 my $md5 = Digest::MD5::md5_hex $data; 2521 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2522 my $meta = "$RANDOMDIR/$md5.meta";
1940 2523
1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2524 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942 aio_write $fh, 0, (length $data), $data, 0; 2525 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh; 2526 undef $fh;
1944 aio_rename "$meta~", $meta; 2527 aio_rename "$meta~", $meta;
1953 2536
1954 return unless $self->type == cf::PLAYER; 2537 return unless $self->type == cf::PLAYER;
1955 2538
1956 if ($exit->slaying eq "/!") { 2539 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job 2540 #TODO: this should de-fi-ni-te-ly not be a sync-job
2541 # the problem is that $exit might not survive long enough
2542 # so it needs to be done right now, right here
1958 cf::sync_job { prepare_random_map $exit }; 2543 cf::sync_job { prepare_random_map $exit };
1959 } 2544 }
1960 2545
1961 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;
1962 my $hp = $exit->stats->hp; 2547 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp; 2548 my $sp = $exit->stats->sp;
1964 2549
1965 $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);
1966 2555
1967 (async { 2556 (async {
1968 $self->deactivate_recursive; # just to be sure 2557 $self->deactivate_recursive; # just to be sure
1969 unless (eval { 2558 unless (eval {
1970 $self->goto ($slaying, $hp, $sp); 2559 $self->goto ($slaying, $hp, $sp);
1971 2560
1972 1; 2561 1;
1973 }) { 2562 }) {
1974 $self->message ("Something went wrong deep within the crossfire server. " 2563 $self->message ("Something went wrong deep within the crossfire server. "
1975 . "I'll try to bring you back to the map you were before. " 2564 . "I'll try to bring you back to the map you were before. "
1976 . "Please report this to the dungeon master!", 2565 . "Please report this to the dungeon master!",
1977 cf::NDI_UNIQUE | cf::NDI_RED); 2566 cf::NDI_UNIQUE | cf::NDI_RED);
1978 2567
1979 warn "ERROR in enter_exit: $@"; 2568 warn "ERROR in enter_exit: $@";
1980 $self->leave_link; 2569 $self->leave_link;
1981 } 2570 }
1982 })->prio (1); 2571 })->prio (1);
1998 2587
1999 utf8::encode $text; 2588 utf8::encode $text;
2000 $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);
2001} 2590}
2002 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
2673=item $client->ext_msg ($type, @msg)
2674
2675Sends an ext event to the client.
2676
2677=cut
2678
2679sub cf::client::ext_msg($$@) {
2680 my ($self, $type, @msg) = @_;
2681
2682 if ($self->extcmd == 2) {
2683 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2684 } elsif ($self->extcmd == 1) { # TODO: remove
2685 push @msg, msgtype => "event_$type";
2686 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2687 }
2688}
2689
2690=item $client->ext_reply ($msgid, @msg)
2691
2692Sends an ext reply to the client.
2693
2694=cut
2695
2696sub cf::client::ext_reply($$@) {
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 }
2706}
2003 2707
2004=item $success = $client->query ($flags, "text", \&cb) 2708=item $success = $client->query ($flags, "text", \&cb)
2005 2709
2006Queues a query to the client, calling the given callback with 2710Queues a query to the client, calling the given callback with
2007the 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>,
2008C<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>.
2009 2713
2010Queries 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
2011reliable at some point in the future. 2715become reliable at some point in the future.
2012 2716
2013=cut 2717=cut
2014 2718
2015sub cf::client::query { 2719sub cf::client::query {
2016 my ($self, $flags, $text, $cb) = @_; 2720 my ($self, $flags, $text, $cb) = @_;
2024 utf8::encode $text; 2728 utf8::encode $text;
2025 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2729 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026 2730
2027 $self->send_packet ($self->{query_queue}[0][0]) 2731 $self->send_packet ($self->{query_queue}[0][0])
2028 if @{ $self->{query_queue} } == 1; 2732 if @{ $self->{query_queue} } == 1;
2733
2734 1
2029} 2735}
2030 2736
2031cf::client->attach ( 2737cf::client->attach (
2738 on_connect => sub {
2739 my ($ns) = @_;
2740
2741 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2742 },
2032 on_reply => sub { 2743 on_reply => sub {
2033 my ($ns, $msg) = @_; 2744 my ($ns, $msg) = @_;
2034 2745
2035 # this weird shuffling is so that direct followup queries 2746 # this weird shuffling is so that direct followup queries
2036 # get handled first 2747 # get handled first
2048 } else { 2759 } else {
2049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2760 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050 } 2761 }
2051 } 2762 }
2052 }, 2763 },
2764 on_exticmd => sub {
2765 my ($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 },
2053); 2790);
2054 2791
2055=item $client->async (\&cb) 2792=item $client->async (\&cb)
2056 2793
2057Create a new coroutine, running the specified callback. The coroutine will 2794Create a new coroutine, running the specified callback. The coroutine will
2098our $safe = new Safe "safe"; 2835our $safe = new Safe "safe";
2099our $safe_hole = new Safe::Hole; 2836our $safe_hole = new Safe::Hole;
2100 2837
2101$SIG{FPE} = 'IGNORE'; 2838$SIG{FPE} = 'IGNORE';
2102 2839
2103$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2840$safe->permit_only (Opcode::opset qw(
2841 :base_core :base_mem :base_orig :base_math
2842 grepstart grepwhile mapstart mapwhile
2843 sort time
2844));
2104 2845
2105# here we export the classes and methods available to script code 2846# here we export the classes and methods available to script code
2106 2847
2107=pod 2848=pod
2108 2849
2109The following functions and methods are available within a safe environment: 2850The following functions and methods are available within a safe environment:
2110 2851
2111 cf::object contr pay_amount pay_player map 2852 cf::object
2853 contr pay_amount pay_player map x y force_find force_add
2854 insert remove name archname title slaying race decrease_ob_nr
2855
2112 cf::object::player player 2856 cf::object::player
2113 cf::player peaceful 2857 player
2114 cf::map trigger 2858
2859 cf::player
2860 peaceful
2861
2862 cf::map
2863 trigger
2115 2864
2116=cut 2865=cut
2117 2866
2118for ( 2867for (
2119 ["cf::object" => qw(contr pay_amount pay_player map)], 2868 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869 insert remove inv name archname title slaying race
2870 decrease_ob_nr)],
2120 ["cf::object::player" => qw(player)], 2871 ["cf::object::player" => qw(player)],
2121 ["cf::player" => qw(peaceful)], 2872 ["cf::player" => qw(peaceful)],
2122 ["cf::map" => qw(trigger)], 2873 ["cf::map" => qw(trigger)],
2123) { 2874) {
2124 no strict 'refs'; 2875 no strict 'refs';
2195=back 2946=back
2196 2947
2197=cut 2948=cut
2198 2949
2199############################################################################# 2950#############################################################################
2200
2201=head2 EXTENSION DATABASE SUPPORT
2202
2203Crossfire maintains a very simple database for extension use. It can
2204currently store anything that can be serialised using Storable, which
2205excludes objects.
2206
2207The parameter C<$family> should best start with the name of the extension
2208using it, it should be unique.
2209
2210=over 4
2211
2212=item $value = cf::db_get $family => $key
2213
2214Returns a single value from the database.
2215
2216=item cf::db_put $family => $key => $value
2217
2218Stores the given C<$value> in the family.
2219
2220=cut
2221
2222our $DB;
2223
2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2243
2244 cf::db_put (board => data => $pst->{board});
2245 cf::db_put (guildrules => data => $pst->{guildrules});
2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249 unlink $path;
2250 };
2251 }
2252 }
2253}
2254
2255sub db_get($$) {
2256 my $key = "$_[0]/$_[1]";
2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
2266sub db_put($$$) {
2267 BDB::dbreq_pri 4;
2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269}
2270
2271#############################################################################
2272# the server's init and main functions 2951# the server's init and main functions
2273 2952
2274sub load_facedata { 2953sub load_facedata($) {
2275 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;
2276 2961
2277 warn "loading facedata from $path\n"; 2962 warn "loading facedata from $path\n";
2278 2963
2279 my $faces; 2964 my $facedata;
2280 0 < aio_load $path, $faces 2965 0 < aio_load $path, $facedata
2281 or die "$path: $!"; 2966 or die "$path: $!";
2282 2967
2283 Coro::cede;
2284 $faces = Storable::thaw $faces; 2968 $facedata = Coro::Storable::thaw $facedata;
2285 Coro::cede;
2286 2969
2287 my $meta = delete $faces->{""};
2288 $meta->{version} == 1 2970 $facedata->{version} == 2
2289 or cf::cleanup "$path: version mismatch, cannot proceed."; 2971 or cf::cleanup "$path: version mismatch, cannot proceed.";
2290 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
2980 {
2981 my $faces = $facedata->{faceinfo};
2982
2291 while (my ($face, $info) = each %$faces) { 2983 while (my ($face, $info) = each %$faces) {
2292 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2984 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2985 cf::face::set_visibility $idx, $info->{visibility};
2986 cf::face::set_magicmap $idx, $info->{magicmap};
2294 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2987 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2988 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296 Coro::cede;
2297 }
2298 2989
2990 cf::cede_to_tick;
2991 }
2992
2299 while (my ($face, $info) = each %$faces) { 2993 while (my ($face, $info) = each %$faces) {
2300 next unless $info->{smooth}; 2994 next unless $info->{smooth};
2301 my $idx = cf::face::find $face 2995 my $idx = cf::face::find $face
2302 or next; 2996 or next;
2303 if (my $smooth = cf::face::find $info->{smooth}) { 2997 if (my $smooth = cf::face::find $info->{smooth}) {
2304 cf::face::set_smooth $idx, $smooth; 2998 cf::face::set_smooth $idx, $smooth;
2999 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305 } else { 3000 } else {
2306 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3001 warn "smooth face '$info->{smooth}' not found for face '$face'";
2307 } 3002 }
2308 Coro::cede; 3003
3004 cf::cede_to_tick;
3005 }
3006 }
3007
3008 {
3009 my $anims = $facedata->{animinfo};
3010
3011 while (my ($anim, $info) = each %$anims) {
3012 cf::anim::set $anim, $info->{frames}, $info->{facings};
3013 cf::cede_to_tick;
3014 }
3015
3016 cf::anim::invalidate_all; # d'oh
3017 }
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 => $face;
3064 }
3065 }
2309 } 3066 }
2310 3067
2311 1 3068 1
2312} 3069}
2313 3070
3071register_exticmd fx_want => sub {
3072 my ($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
2314sub reload_resources { 3113sub reload_resources {
2315 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3114 warn "reloading resource files...\n";
2316 or die "unable to load regions file\n";#d# 3115
3116 reload_regions;
2317 load_facedata 3117 reload_facedata;
2318 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";
2319} 3123}
2320 3124
2321sub init { 3125sub init {
2322 reload_resources; 3126 reload_resources;
2323} 3127}
2324 3128
2325sub cfg_load { 3129sub reload_config {
2326 open my $fh, "<:utf8", cf::confdir . "/config" 3130 open my $fh, "<:utf8", "$CONFDIR/config"
2327 or return; 3131 or return;
2328 3132
2329 local $/; 3133 local $/;
2330 *CFG = YAML::Syck::Load <$fh>; 3134 *CFG = YAML::Syck::Load <$fh>;
2331 3135
2350 (async { 3154 (async {
2351 Event::one_event; 3155 Event::one_event;
2352 })->prio (Coro::PRIO_MAX); 3156 })->prio (Coro::PRIO_MAX);
2353 }; 3157 };
2354 3158
2355 cfg_load; 3159 reload_config;
2356 db_init; 3160 db_init;
2357 load_extensions; 3161 load_extensions;
2358 3162
2359 $TICK_WATCHER->start; 3163 $TICK_WATCHER->start;
2360 Event::loop; 3164 Event::loop;
2376 }, 3180 },
2377 ); 3181 );
2378 } 3182 }
2379} 3183}
2380 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
2381sub emergency_save() { 3223sub emergency_save() {
2382 my $freeze_guard = cf::freeze_mainloop; 3224 my $freeze_guard = cf::freeze_mainloop;
2383 3225
2384 warn "enter emergency perl save\n"; 3226 warn "enter emergency perl save\n";
2385 3227
2416 3258
2417 warn Carp::longmess "post_cleanup backtrace" 3259 warn Carp::longmess "post_cleanup backtrace"
2418 if $make_core; 3260 if $make_core;
2419} 3261}
2420 3262
2421sub reload() { 3263sub do_reload_perl() {
2422 # can/must only be called in main 3264 # can/must only be called in main
2423 if ($Coro::current != $Coro::main) { 3265 if ($Coro::current != $Coro::main) {
2424 warn "can only reload from main coroutine"; 3266 warn "can only reload from main coroutine";
2425 return; 3267 return;
2426 } 3268 }
2460 %EXT_CORO = (); 3302 %EXT_CORO = ();
2461 3303
2462 warn "removing commands"; 3304 warn "removing commands";
2463 %COMMAND = (); 3305 %COMMAND = ();
2464 3306
2465 warn "removing ext commands"; 3307 warn "removing ext/exti commands";
2466 %EXTCMD = (); 3308 %EXTCMD = ();
3309 %EXTICMD = ();
2467 3310
2468 warn "unloading/nuking all extensions"; 3311 warn "unloading/nuking all extensions";
2469 for my $pkg (@EXTS) { 3312 for my $pkg (@EXTS) {
2470 warn "... unloading $pkg"; 3313 warn "... unloading $pkg";
2471 3314
2501 Symbol::delete_package "safe::$_" 3344 Symbol::delete_package "safe::$_"
2502 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);
2503 3346
2504 warn "unloading cf.pm \"a bit\""; 3347 warn "unloading cf.pm \"a bit\"";
2505 delete $INC{"cf.pm"}; 3348 delete $INC{"cf.pm"};
3349 delete $INC{"cf/pod.pm"};
2506 3350
2507 # don't, removes xs symbols, too, 3351 # don't, removes xs symbols, too,
2508 # and global variables created in xs 3352 # and global variables created in xs
2509 #Symbol::delete_package __PACKAGE__; 3353 #Symbol::delete_package __PACKAGE__;
2510 3354
2513 warn "reloading cf.pm"; 3357 warn "reloading cf.pm";
2514 require cf; 3358 require cf;
2515 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3359 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2516 3360
2517 warn "loading config and database again"; 3361 warn "loading config and database again";
2518 cf::cfg_load; 3362 cf::reload_config;
2519 3363
2520 warn "loading extensions"; 3364 warn "loading extensions";
2521 cf::load_extensions; 3365 cf::load_extensions;
2522 3366
2523 warn "reattaching attachments to objects/players"; 3367 warn "reattaching attachments to objects/players";
2525 warn "reattaching attachments to maps"; 3369 warn "reattaching attachments to maps";
2526 reattach $_ for values %MAP; 3370 reattach $_ for values %MAP;
2527 warn "reattaching attachments to players"; 3371 warn "reattaching attachments to players";
2528 reattach $_ for values %PLAYER; 3372 reattach $_ for values %PLAYER;
2529 3373
2530 warn "loading reloadable resources";
2531 reload_resources;
2532
2533 warn "leaving sync_job"; 3374 warn "leaving sync_job";
2534 3375
2535 1 3376 1
2536 } or do { 3377 } or do {
2537 warn $@; 3378 warn $@;
2542 warn "reloaded"; 3383 warn "reloaded";
2543}; 3384};
2544 3385
2545our $RELOAD_WATCHER; # used only during reload 3386our $RELOAD_WATCHER; # used only during reload
2546 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 $RELOAD_WATCHER;
3399 },
3400 );
3401}
3402
2547register_command "reload" => sub { 3403register_command "reload" => sub {
2548 my ($who, $arg) = @_; 3404 my ($who, $arg) = @_;
2549 3405
2550 if ($who->flag (FLAG_WIZ)) { 3406 if ($who->flag (FLAG_WIZ)) {
2551 $who->message ("reloading server."); 3407 $who->message ("reloading server.");
2552 3408 async { reload_perl };
2553 # doing reload synchronously and two reloads happen back-to-back,
2554 # coro crashes during coro_state_free->destroy here.
2555
2556 $RELOAD_WATCHER ||= Event->timer (
2557 reentrant => 0,
2558 after => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => sub {
2561 reload;
2562 undef $RELOAD_WATCHER;
2563 },
2564 );
2565 } 3409 }
2566}; 3410};
2567 3411
2568unshift @INC, $LIBDIR; 3412unshift @INC, $LIBDIR;
2569 3413
2570my $bug_warning = 0; 3414my $bug_warning = 0;
2571 3415
3416our @WAIT_FOR_TICK;
3417our @WAIT_FOR_TICK_BEGIN;
3418
3419sub wait_for_tick {
3420 return unless $TICK_WATCHER->is_active;
3421 return if $Coro::current == $Coro::main;
3422
3423 my $signal = new Coro::Signal;
3424 push @WAIT_FOR_TICK, $signal;
3425 $signal->wait;
3426}
3427
3428sub wait_for_tick_begin {
3429 return unless $TICK_WATCHER->is_active;
3430 return if $Coro::current == $Coro::main;
3431
3432 my $signal = new Coro::Signal;
3433 push @WAIT_FOR_TICK_BEGIN, $signal;
3434 $signal->wait;
3435}
3436
3437 my $min = 1e6;#d#
3438 my $avg = 10;
2572$TICK_WATCHER = Event->timer ( 3439$TICK_WATCHER = Event->timer (
2573 reentrant => 0, 3440 reentrant => 0,
2574 parked => 1, 3441 parked => 1,
2575 prio => 0, 3442 prio => 0,
2576 at => $NEXT_TICK || $TICK, 3443 at => $NEXT_TICK || $TICK,
2580 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3447 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581 unless ++$bug_warning > 10; 3448 unless ++$bug_warning > 10;
2582 return; 3449 return;
2583 } 3450 }
2584 3451
2585 $NOW = Event::time; 3452 $NOW = $tick_start = Event::time;
2586 3453
2587 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
2588 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2589 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2590 3481
2591 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592 $NEXT_RUNTIME_WRITE = $NOW + 10; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
2594 write_runtime 3485 write_runtime
2595 or warn "ERROR: unable to write runtime file: $!"; 3486 or warn "ERROR: unable to write runtime file: $!";
2596 }; 3487 };
2597 } 3488 }
2598 3489
2599 $WAIT_FOR_TICK->broadcast;
2600 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602# my $AFTER = Event::time; 3490# my $AFTER = Event::time;
2603# warn $AFTER - $NOW;#d# 3491# warn $AFTER - $NOW;#d#
2604 3492
3493 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3494 $sig->send;
3495 }
3496 while (my $sig = shift @WAIT_FOR_TICK) {
3497 $sig->send;
3498 }
3499
3500 $NOW = Event::time;
3501
2605 # 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
2606 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3503 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607 3504
2608 $TICK_WATCHER->at ($NEXT_TICK); 3505 $TICK_WATCHER->at ($NEXT_TICK);
2609 $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
2610 }, 3514 },
2611); 3515);
2612 3516
2613{ 3517{
2614 BDB::max_poll_time $TICK * 0.1; 3518 BDB::max_poll_time $TICK * 0.1;
2642 3546
2643 cf::sync_job { 3547 cf::sync_job {
2644 eval { 3548 eval {
2645 BDB::db_env_open 3549 BDB::db_env_open
2646 $DB_ENV, 3550 $DB_ENV,
2647 $BDB_ENV_DIR, 3551 $BDBDIR,
2648 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3552 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3553 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650 0666; 3554 0666;
2651 3555
2652 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3556 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653 3557
2654 $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);
2655 $DB_ENV->set_lk_detect; 3559 $DB_ENV->set_lk_detect;
2656 }; 3560 };
2657 3561
2673 prio => 6, 3577 prio => 6,
2674 cb => \&IO::AIO::poll_cb, 3578 cb => \&IO::AIO::poll_cb,
2675 ); 3579 );
2676} 3580}
2677 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
2678END { cf::emergency_save } 3623END { cf::emergency_save }
2679 3624
26801 36251
2681 3626

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