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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 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, %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($$@) {
1136 my ($self, $id, %msg) = @_; 1558 my ($self, $id, @msg) = @_;
1137 1559
1138 $msg{msgid} = $id; 1560 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1561}
1142 1562
1143=item $player->ext_event ($type, %msg) 1563=item $player->ext_msg ($type, @msg)
1144 1564
1145Sends an ext event to the client. 1565Sends an ext event to the client.
1146 1566
1147=cut 1567=cut
1148 1568
1149sub ext_event($$%) { 1569sub ext_msg($$@) {
1150 my ($self, $type, %msg) = @_; 1570 my ($self, $type, @msg) = @_;
1151 1571
1152 delete $msg{msgid}; 1572 $self->ns->ext_msg ($type, @msg);
1153 $msg{msgtype} = "event";
1154 $msg{eventtype} = $type;
1155
1156 $self->send ("ext " . cf::to_json \%msg);
1157} 1573}
1158 1574
1159package cf; 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 $match
1602}
1160 1603
1161=back 1604=back
1162
1163 1605
1164=head3 cf::map 1606=head3 cf::map
1165 1607
1166=over 4 1608=over 4
1167 1609
1222 my ($self, $merge) = @_; 1664 my ($self, $merge) = @_;
1223 1665
1224 # we have to keep some variables in memory intact 1666 # we have to keep some variables in memory intact
1225 local $self->{path}; 1667 local $self->{path};
1226 local $self->{load_path}; 1668 local $self->{load_path};
1227 local $self->{deny_save};
1228 local $self->{deny_reset};
1229 1669
1230 $self->SUPER::thawer_merge ($merge); 1670 $self->SUPER::thawer_merge ($merge);
1231} 1671}
1232 1672
1233sub normalise { 1673sub normalise {
1280 $self->init; # pass $1 etc. 1720 $self->init; # pass $1 etc.
1281 return $self; 1721 return $self;
1282 } 1722 }
1283 } 1723 }
1284 1724
1285 Carp::carp "unable to resolve path '$path' (base '$base')."; 1725 Carp::cluck "unable to resolve path '$path' (base '$base').";
1286 () 1726 ()
1287} 1727}
1288 1728
1289sub init { 1729sub init {
1290 my ($self) = @_; 1730 my ($self) = @_;
1305 1745
1306# the original (read-only) location 1746# the original (read-only) location
1307sub load_path { 1747sub load_path {
1308 my ($self) = @_; 1748 my ($self) = @_;
1309 1749
1310 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1750 "$MAPDIR/$self->{path}.map"
1311} 1751}
1312 1752
1313# the temporary/swap location 1753# the temporary/swap location
1314sub save_path { 1754sub save_path {
1315 my ($self) = @_; 1755 my ($self) = @_;
1316 1756
1317 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1757 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1758 "$TMPDIR/$path.map"
1319} 1759}
1320 1760
1321# the unique path, undef == no special unique path 1761# the unique path, undef == no special unique path
1322sub uniq_path { 1762sub uniq_path {
1323 my ($self) = @_; 1763 my ($self) = @_;
1324 1764
1325 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1765 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1766 "$UNIQUEDIR/$path"
1327} 1767}
1328 1768
1329# and all this just because we cannot iterate over 1769# and all this just because we cannot iterate over
1330# all maps in C++... 1770# all maps in C++...
1331sub change_all_map_light { 1771sub change_all_map_light {
1333 1773
1334 $_->change_map_light ($change) 1774 $_->change_map_light ($change)
1335 for grep $_->outdoor, values %cf::MAP; 1775 for grep $_->outdoor, values %cf::MAP;
1336} 1776}
1337 1777
1778sub decay_objects {
1779 my ($self) = @_;
1780
1781 return if $self->{deny_reset};
1782
1783 $self->do_decay_objects;
1784}
1785
1338sub unlink_save { 1786sub unlink_save {
1339 my ($self) = @_; 1787 my ($self) = @_;
1340 1788
1341 utf8::encode (my $save = $self->save_path); 1789 utf8::encode (my $save = $self->save_path);
1342 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1790 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1345 1793
1346sub load_header_from($) { 1794sub load_header_from($) {
1347 my ($self, $path) = @_; 1795 my ($self, $path) = @_;
1348 1796
1349 utf8::encode $path; 1797 utf8::encode $path;
1350 #aio_open $path, O_RDONLY, 0 1798 my $f = new_from_file cf::object::thawer $path
1351 # or return;
1352
1353 $self->_load_header ($path)
1354 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;
1355 1806
1356 $self->{load_path} = $path; 1807 $self->{load_path} = $path;
1357 1808
1358 1 1809 1
1359} 1810}
1398 $self->load_header_orig 1849 $self->load_header_orig
1399 or return; 1850 or return;
1400 $self->prepare_orig; 1851 $self->prepare_orig;
1401 } 1852 }
1402 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 $self->default_region;
1859
1403 1 1860 1
1404} 1861}
1405 1862
1406sub find; 1863sub find;
1407sub find { 1864sub find {
1408 my ($path, $origin) = @_; 1865 my ($path, $origin) = @_;
1409 1866
1410 $path = normalise $path, $origin && $origin->path; 1867 $path = normalise $path, $origin && $origin->path;
1411 1868
1869 cf::lock_wait "map_data:$path";#d#remove
1412 cf::lock_wait "map_find:$path"; 1870 cf::lock_wait "map_find:$path";
1413 1871
1414 $cf::MAP{$path} || do { 1872 $cf::MAP{$path} || do {
1415 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
1416 my $map = new_from_path cf::map $path 1876 my $map = new_from_path cf::map $path
1417 or return; 1877 or return;
1418 1878
1419 $map->{last_save} = $cf::RUNTIME; 1879 $map->{last_save} = $cf::RUNTIME;
1420 1880
1421 $map->load_header 1881 $map->load_header
1422 or return; 1882 or return;
1423 1883
1424 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1884 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425 # doing this can freeze the server in a sync job, obviously 1885 # doing this can freeze the server in a sync job, obviously
1426 #$cf::WAIT_FOR_TICK->wait; 1886 #$cf::WAIT_FOR_TICK->wait;
1887 undef $guard1;
1888 undef $guard2;
1427 $map->reset; 1889 $map->reset;
1428 undef $guard;
1429 return find $path; 1890 return find $path;
1430 } 1891 }
1431 1892
1432 $cf::MAP{$path} = $map 1893 $cf::MAP{$path} = $map
1433 } 1894 }
1440 my ($self) = @_; 1901 my ($self) = @_;
1441 1902
1442 local $self->{deny_reset} = 1; # loading can take a long time 1903 local $self->{deny_reset} = 1; # loading can take a long time
1443 1904
1444 my $path = $self->{path}; 1905 my $path = $self->{path};
1906
1907 {
1445 my $guard = cf::lock_acquire "map_load:$path"; 1908 my $guard = cf::lock_acquire "map_data:$path";
1446 1909
1910 return unless $self->valid;
1447 return if $self->in_memory != cf::MAP_SWAPPED; 1911 return unless $self->in_memory == cf::MAP_SWAPPED;
1448 1912
1449 $self->in_memory (cf::MAP_LOADING); 1913 $self->in_memory (cf::MAP_LOADING);
1450 1914
1451 $self->alloc; 1915 $self->alloc;
1452 1916
1453 $self->pre_load; 1917 $self->pre_load;
1918 cf::cede_to_tick;
1454 1919
1455 $self->_load_objects ($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)
1456 or return; 1923 or return;
1457 1924
1458 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1925 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459 if delete $self->{load_original}; 1926 if delete $self->{load_original};
1460 1927
1461 if (my $uniq = $self->uniq_path) { 1928 if (my $uniq = $self->uniq_path) {
1462 utf8::encode $uniq; 1929 utf8::encode $uniq;
1463 if (aio_open $uniq, O_RDONLY, 0) { 1930 unless (aio_stat $uniq) {
1931 if (my $f = new_from_file cf::object::thawer $uniq) {
1464 $self->clear_unique_items; 1932 $self->clear_unique_items;
1465 $self->_load_objects ($uniq, 0); 1933 $self->_load_objects ($f);
1934 $f->resolve_delayed_derefs;
1935 }
1466 } 1936 }
1467 } 1937 }
1468 1938
1469 Coro::cede; 1939 $f->resolve_delayed_derefs;
1470 1940
1941 cf::cede_to_tick;
1471 # now do the right thing for maps 1942 # now do the right thing for maps
1472 $self->link_multipart_objects; 1943 $self->link_multipart_objects;
1473
1474 unless ($self->{deny_activate}) {
1475 $self->decay_objects;
1476 $self->fix_auto_apply;
1477 $self->update_buttons;
1478 Coro::cede;
1479 $self->set_darkness_map;
1480 $self->difficulty ($self->estimate_difficulty) 1944 $self->difficulty ($self->estimate_difficulty)
1481 unless $self->difficulty; 1945 unless $self->difficulty;
1482 Coro::cede; 1946 cf::cede_to_tick;
1947
1948 unless ($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;
1483 $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);
1484 } 1962 }
1485 1963
1486 $self->post_load; 1964 $self->post_load;
1487
1488 $self->in_memory (cf::MAP_IN_MEMORY);
1489} 1965}
1490 1966
1491sub customise_for { 1967sub customise_for {
1492 my ($self, $ob) = @_; 1968 my ($self, $ob) = @_;
1493 1969
1494 return find "~" . $ob->name . "/" . $self->{path} 1970 return find "~" . $ob->name . "/" . $self->{path}
1495 if $self->per_player; 1971 if $self->per_player;
1496 1972
1973# return find "?party/" . $ob->name . "/" . $self->{path}
1974# if $self->per_party;
1975
1497 $self 1976 $self
1498} 1977}
1499 1978
1500# find and load all maps in the 3x3 area around a map 1979# find and load all maps in the 3x3 area around a map
1501sub load_diag { 1980sub load_neighbours {
1502 my ($map) = @_; 1981 my ($map) = @_;
1503 1982
1504 my @diag; # diagonal neighbours 1983 my @neigh; # diagonal neighbours
1505 1984
1506 for (0 .. 3) { 1985 for (0 .. 3) {
1507 my $neigh = $map->tile_path ($_) 1986 my $neigh = $map->tile_path ($_)
1508 or next; 1987 or next;
1509 $neigh = find $neigh, $map 1988 $neigh = find $neigh, $map
1510 or next; 1989 or next;
1511 $neigh->load; 1990 $neigh->load;
1512 1991
1992 push @neigh,
1513 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1993 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1514 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1994 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1515 } 1995 }
1516 1996
1517 for (@diag) { 1997 for (grep defined $_->[0], @neigh) {
1998 my ($path, $origin) = @$_;
1518 my $neigh = find @$_ 1999 my $neigh = find $path, $origin
1519 or next; 2000 or next;
1520 $neigh->load; 2001 $neigh->load;
1521 } 2002 }
1522} 2003}
1523 2004
1528} 2009}
1529 2010
1530sub do_load_sync { 2011sub do_load_sync {
1531 my ($map) = @_; 2012 my ($map) = @_;
1532 2013
2014 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2015 if $Coro::current == $Coro::main;
2016
1533 cf::sync_job { $map->load }; 2017 cf::sync_job { $map->load };
1534} 2018}
1535 2019
1536our %MAP_PREFETCH; 2020our %MAP_PREFETCH;
1537our $MAP_PREFETCHER = undef; 2021our $MAP_PREFETCHER = undef;
1538 2022
1539sub find_async { 2023sub find_async {
1540 my ($path, $origin) = @_; 2024 my ($path, $origin, $load) = @_;
1541 2025
1542 $path = normalise $path, $origin && $origin->{path}; 2026 $path = normalise $path, $origin && $origin->{path};
1543 2027
1544 if (my $map = $cf::MAP{$path}) { 2028 if (my $map = $cf::MAP{$path}) {
1545 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2029 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1546 } 2030 }
1547 2031
1548 undef $MAP_PREFETCH{$path}; 2032 $MAP_PREFETCH{$path} |= $load;
2033
1549 $MAP_PREFETCHER ||= cf::async { 2034 $MAP_PREFETCHER ||= cf::async {
1550 while (%MAP_PREFETCH) { 2035 while (%MAP_PREFETCH) {
1551 for my $path (keys %MAP_PREFETCH) { 2036 while (my ($k, $v) = each %MAP_PREFETCH) {
1552 my $map = find $path 2037 if (my $map = find $k) {
1553 or next;
1554 $map->load; 2038 $map->load if $v;
2039 }
1555 2040
1556 delete $MAP_PREFETCH{$path}; 2041 delete $MAP_PREFETCH{$k};
1557 } 2042 }
1558 } 2043 }
1559 undef $MAP_PREFETCHER; 2044 undef $MAP_PREFETCHER;
1560 }; 2045 };
1561 $MAP_PREFETCHER->prio (6); 2046 $MAP_PREFETCHER->prio (6);
1564} 2049}
1565 2050
1566sub save { 2051sub save {
1567 my ($self) = @_; 2052 my ($self) = @_;
1568 2053
1569 my $lock = cf::lock_acquire "map_data:" . $self->path; 2054 my $lock = cf::lock_acquire "map_data:$self->{path}";
1570 2055
1571 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1572 2057
1573 return unless $self->dirty; 2058 return unless $self->dirty;
1574 2059
1597 my ($self) = @_; 2082 my ($self) = @_;
1598 2083
1599 # save first because save cedes 2084 # save first because save cedes
1600 $self->save; 2085 $self->save;
1601 2086
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2087 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2088
1604 return if $self->players; 2089 return if $self->players;
1605 return if $self->in_memory != cf::MAP_IN_MEMORY; 2090 return if $self->in_memory != cf::MAP_IN_MEMORY;
1606 return if $self->{deny_save}; 2091 return if $self->{deny_save};
1607 2092
2093 $self->in_memory (cf::MAP_SWAPPED);
2094
2095 $self->deactivate;
2096 $_->clear_links_to ($self) for values %cf::MAP;
1608 $self->clear; 2097 $self->clear;
1609 $self->in_memory (cf::MAP_SWAPPED);
1610} 2098}
1611 2099
1612sub reset_at { 2100sub reset_at {
1613 my ($self) = @_; 2101 my ($self) = @_;
1614 2102
1615 # TODO: safety, remove and allow resettable per-player maps 2103 # TODO: safety, remove and allow resettable per-player maps
1616 return 1e99 if $self->isa ("ext::map_per_player");#d#
1617 return 1e99 if $self->{deny_reset}; 2104 return 1e99 if $self->{deny_reset};
1618 2105
1619 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2106 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2107 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621 2108
1632 my ($self) = @_; 2119 my ($self) = @_;
1633 2120
1634 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2121 my $lock = cf::lock_acquire "map_data:$self->{path}";
1635 2122
1636 return if $self->players; 2123 return if $self->players;
1637 return if $self->isa ("ext::map_per_player");#d#
1638 2124
1639 warn "resetting map ", $self->path;#d# 2125 warn "resetting map ", $self->path;
1640 2126
1641 $self->in_memory (cf::MAP_SWAPPED); 2127 $self->in_memory (cf::MAP_SWAPPED);
1642 2128
1643 # need to save uniques path 2129 # need to save uniques path
1644 unless ($self->{deny_save}) { 2130 unless ($self->{deny_save}) {
1648 if $uniq; 2134 if $uniq;
1649 } 2135 }
1650 2136
1651 delete $cf::MAP{$self->path}; 2137 delete $cf::MAP{$self->path};
1652 2138
2139 $self->deactivate;
2140 $_->clear_links_to ($self) for values %cf::MAP;
1653 $self->clear; 2141 $self->clear;
1654
1655 $_->clear_links_to ($self) for values %cf::MAP;
1656 2142
1657 $self->unlink_save; 2143 $self->unlink_save;
1658 $self->destroy; 2144 $self->destroy;
1659} 2145}
1660 2146
1661my $nuke_counter = "aaaa"; 2147my $nuke_counter = "aaaa";
1662 2148
1663sub nuke { 2149sub nuke {
1664 my ($self) = @_; 2150 my ($self) = @_;
1665 2151
2152 {
2153 my $lock = cf::lock_acquire "map_data:$self->{path}";
2154
1666 delete $cf::MAP{$self->path}; 2155 delete $cf::MAP{$self->path};
1667 2156
1668 $self->unlink_save; 2157 $self->unlink_save;
1669 2158
1670 bless $self, "cf::map"; 2159 bless $self, "cf::map";
1671 delete $self->{deny_reset}; 2160 delete $self->{deny_reset};
1672 $self->{deny_save} = 1; 2161 $self->{deny_save} = 1;
1673 $self->reset_timeout (1); 2162 $self->reset_timeout (1);
1674 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2163 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675 2164
1676 $cf::MAP{$self->path} = $self; 2165 $cf::MAP{$self->path} = $self;
2166 }
1677 2167
1678 $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 ]
1679} 2205}
1680 2206
1681=item cf::map::unique_maps 2207=item cf::map::unique_maps
1682 2208
1683Returns an arrayref of paths of all shared maps that have 2209Returns an arrayref of paths of all shared maps that have
1684instantiated unique items. May block. 2210instantiated unique items. May block.
1685 2211
1686=cut 2212=cut
1687 2213
1688sub unique_maps() { 2214sub unique_maps() {
1689 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2215 [
1690 or return; 2216 map {
1691
1692 my @paths;
1693
1694 for (@$files) {
1695 utf8::decode $_; 2217 utf8::decode $_;
1696 next if /\.pst$/; 2218 /\.map$/
1697 next unless /^$PATH_SEP/o; 2219 ? normalise $_
1698 2220 : ()
1699 push @paths, cf::map::normalise $_; 2221 } @{ aio_readdir $UNIQUEDIR or [] }
1700 } 2222 ]
1701
1702 \@paths
1703} 2223}
1704 2224
1705package cf; 2225package cf;
1706 2226
1707=back 2227=back
1725 map { $_, inv_recursive_ $_->inv } @_ 2245 map { $_, inv_recursive_ $_->inv } @_
1726} 2246}
1727 2247
1728sub inv_recursive { 2248sub inv_recursive {
1729 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 }
1730} 2281}
1731 2282
1732package cf; 2283package cf;
1733 2284
1734=back 2285=back
1753 2304
1754 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2305 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755 2306
1756 if ($self->{record_replies}) { 2307 if ($self->{record_replies}) {
1757 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2308 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2309
1758 } 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 {
1759 $msg = $npc->name . " says: $msg" if $npc; 2318 $msg = $npc->name . " says: $msg" if $npc;
1760 $self->message ($msg, $flags); 2319 $self->message ($msg, $flags);
2320 }
1761 } 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 (@_);
1762} 2332}
1763 2333
1764=item $player_object->may ("access") 2334=item $player_object->may ("access")
1765 2335
1766Returns wether the given player is authorized to access resource "access" 2336Returns wether the given player is authorized to access resource "access"
1813 $self->deactivate_recursive; 2383 $self->deactivate_recursive;
1814 2384
1815 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2385 return if UNIVERSAL::isa $self->map, "ext::map_link";
1816 2386
1817 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2387 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818 if $self->map; 2388 if $self->map && $self->map->{path} ne "{link}";
1819 2389
1820 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2390 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1821} 2391}
1822 2392
1823sub cf::object::player::leave_link { 2393sub cf::object::player::leave_link {
1824 my ($self, $map, $x, $y) = @_; 2394 my ($self, $map, $x, $y) = @_;
2395
2396 return unless $self->contr->active;
1825 2397
1826 my $link_pos = delete $self->{_link_pos}; 2398 my $link_pos = delete $self->{_link_pos};
1827 2399
1828 unless ($map) { 2400 unless ($map) {
1829 # restore original map position 2401 # restore original map position
1843 # use -1 or undef as default coordinates, not 0, 0 2415 # use -1 or undef as default coordinates, not 0, 0
1844 ($x, $y) = ($map->enter_x, $map->enter_y) 2416 ($x, $y) = ($map->enter_x, $map->enter_y)
1845 if $x <=0 && $y <= 0; 2417 if $x <=0 && $y <= 0;
1846 2418
1847 $map->load; 2419 $map->load;
1848 $map->load_diag; 2420 $map->load_neighbours;
1849 2421
1850 return unless $self->contr->active; 2422 return unless $self->contr->active;
1851 $self->activate_recursive; 2423 $self->activate_recursive;
1852 2424
1853 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2425 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854 $self->enter_map ($map, $x, $y); 2426 $self->enter_map ($map, $x, $y);
1855} 2427}
1856 2428
1857cf::player->attach ( 2429=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858 on_logout => sub {
1859 my ($pl) = @_;
1860 2430
1861 # abort map switching before logout 2431Moves the player to the given map-path and coordinates by first freezing
1862 if ($pl->ob->{_link_pos}) { 2432her, loading and preparing them map, calling the provided $check callback
1863 cf::sync_job { 2433that has to return the map if sucecssful, and then unfreezes the player on
1864 $pl->ob->leave_link 2434the new (success) or old (failed) map position. In either case, $done will
1865 }; 2435be called at the end of this process.
1866 }
1867 },
1868 on_login => sub {
1869 my ($pl) = @_;
1870 2436
1871 # try to abort aborted map switching on player login :)
1872 # should happen only on crashes
1873 if ($pl->ob->{_link_pos}) {
1874 $pl->ob->enter_link;
1875 (async {
1876 $pl->ob->reply (undef,
1877 "There was an internal problem at your last logout, "
1878 . "the server will try to bring you to your intended destination in a second.",
1879 cf::NDI_RED);
1880 # we need this sleep as the login has a concurrent enter_exit running
1881 # and this sleep increases chances of the player not ending up in scorn
1882 Coro::Timer::sleep 1;
1883 $pl->ob->leave_link;
1884 })->prio (2);
1885 }
1886 },
1887);
1888
1889=item $player_object->goto ($path, $x, $y)
1890
1891=cut 2437=cut
2438
2439our $GOTOGEN;
1892 2440
1893sub cf::object::player::goto { 2441sub cf::object::player::goto {
1894 my ($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;
1895 2446
1896 $self->enter_link; 2447 $self->enter_link;
1897 2448
1898 (async { 2449 (async {
1899 my $map = eval { 2450 my $map = eval {
1900 my $map = cf::map::find $path; 2451 my $map = cf::map::find $path;
2452
2453 if ($map) {
1901 $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
1902 $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 $@;
1903 } or 2466 }
1904 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905 2467
2468 if ($gen == $self->{_goto_generation}) {
2469 delete $self->{_goto_generation};
1906 $self->leave_link ($map, $x, $y); 2470 $self->leave_link ($map, $x, $y);
2471 }
2472
2473 $done->() if $done;
1907 })->prio (1); 2474 })->prio (1);
1908} 2475}
1909 2476
1910=item $player_object->enter_exit ($exit_object) 2477=item $player_object->enter_exit ($exit_object)
1911 2478
1950 2517
1951 $rmp->{random_seed} ||= $exit->random_seed; 2518 $rmp->{random_seed} ||= $exit->random_seed;
1952 2519
1953 my $data = cf::to_json $rmp; 2520 my $data = cf::to_json $rmp;
1954 my $md5 = Digest::MD5::md5_hex $data; 2521 my $md5 = Digest::MD5::md5_hex $data;
1955 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2522 my $meta = "$RANDOMDIR/$md5.meta";
1956 2523
1957 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2524 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958 aio_write $fh, 0, (length $data), $data, 0; 2525 aio_write $fh, 0, (length $data), $data, 0;
1959 undef $fh; 2526 undef $fh;
1960 aio_rename "$meta~", $meta; 2527 aio_rename "$meta~", $meta;
1969 2536
1970 return unless $self->type == cf::PLAYER; 2537 return unless $self->type == cf::PLAYER;
1971 2538
1972 if ($exit->slaying eq "/!") { 2539 if ($exit->slaying eq "/!") {
1973 #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
1974 cf::sync_job { prepare_random_map $exit }; 2543 cf::sync_job { prepare_random_map $exit };
1975 } 2544 }
1976 2545
1977 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;
1978 my $hp = $exit->stats->hp; 2547 my $hp = $exit->stats->hp;
1979 my $sp = $exit->stats->sp; 2548 my $sp = $exit->stats->sp;
1980 2549
1981 $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);
1982 2555
1983 (async { 2556 (async {
1984 $self->deactivate_recursive; # just to be sure 2557 $self->deactivate_recursive; # just to be sure
1985 unless (eval { 2558 unless (eval {
1986 $self->goto ($slaying, $hp, $sp); 2559 $self->goto ($slaying, $hp, $sp);
1987 2560
1988 1; 2561 1;
1989 }) { 2562 }) {
1990 $self->message ("Something went wrong deep within the crossfire server. " 2563 $self->message ("Something went wrong deep within the crossfire server. "
1991 . "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. "
1992 . "Please report this to the dungeon master!", 2565 . "Please report this to the dungeon master!",
1993 cf::NDI_UNIQUE | cf::NDI_RED); 2566 cf::NDI_UNIQUE | cf::NDI_RED);
1994 2567
1995 warn "ERROR in enter_exit: $@"; 2568 warn "ERROR in enter_exit: $@";
1996 $self->leave_link; 2569 $self->leave_link;
1997 } 2570 }
1998 })->prio (1); 2571 })->prio (1);
2014 2587
2015 utf8::encode $text; 2588 utf8::encode $text;
2016 $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);
2017} 2590}
2018 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}
2019 2707
2020=item $success = $client->query ($flags, "text", \&cb) 2708=item $success = $client->query ($flags, "text", \&cb)
2021 2709
2022Queues a query to the client, calling the given callback with 2710Queues a query to the client, calling the given callback with
2023the 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>,
2024C<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>.
2025 2713
2026Queries 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
2027reliable at some point in the future. 2715become reliable at some point in the future.
2028 2716
2029=cut 2717=cut
2030 2718
2031sub cf::client::query { 2719sub cf::client::query {
2032 my ($self, $flags, $text, $cb) = @_; 2720 my ($self, $flags, $text, $cb) = @_;
2040 utf8::encode $text; 2728 utf8::encode $text;
2041 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2729 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042 2730
2043 $self->send_packet ($self->{query_queue}[0][0]) 2731 $self->send_packet ($self->{query_queue}[0][0])
2044 if @{ $self->{query_queue} } == 1; 2732 if @{ $self->{query_queue} } == 1;
2733
2734 1
2045} 2735}
2046 2736
2047cf::client->attach ( 2737cf::client->attach (
2738 on_connect => sub {
2739 my ($ns) = @_;
2740
2741 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2742 },
2048 on_reply => sub { 2743 on_reply => sub {
2049 my ($ns, $msg) = @_; 2744 my ($ns, $msg) = @_;
2050 2745
2051 # this weird shuffling is so that direct followup queries 2746 # this weird shuffling is so that direct followup queries
2052 # get handled first 2747 # get handled first
2064 } else { 2759 } else {
2065 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2760 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066 } 2761 }
2067 } 2762 }
2068 }, 2763 },
2764 on_exticmd => sub {
2765 my ($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 },
2069); 2790);
2070 2791
2071=item $client->async (\&cb) 2792=item $client->async (\&cb)
2072 2793
2073Create a new coroutine, running the specified callback. The coroutine will 2794Create a new coroutine, running the specified callback. The coroutine will
2114our $safe = new Safe "safe"; 2835our $safe = new Safe "safe";
2115our $safe_hole = new Safe::Hole; 2836our $safe_hole = new Safe::Hole;
2116 2837
2117$SIG{FPE} = 'IGNORE'; 2838$SIG{FPE} = 'IGNORE';
2118 2839
2119$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2840$safe->permit_only (Opcode::opset qw(
2841 :base_core :base_mem :base_orig :base_math
2842 grepstart grepwhile mapstart mapwhile
2843 sort time
2844));
2120 2845
2121# here we export the classes and methods available to script code 2846# here we export the classes and methods available to script code
2122 2847
2123=pod 2848=pod
2124 2849
2125The following functions and methods are available within a safe environment: 2850The following functions and methods are available within a safe environment:
2126 2851
2127 cf::object contr pay_amount pay_player map 2852 cf::object
2853 contr pay_amount pay_player map x y force_find force_add
2854 insert remove name archname title slaying race decrease_ob_nr
2855
2128 cf::object::player player 2856 cf::object::player
2129 cf::player peaceful 2857 player
2130 cf::map trigger 2858
2859 cf::player
2860 peaceful
2861
2862 cf::map
2863 trigger
2131 2864
2132=cut 2865=cut
2133 2866
2134for ( 2867for (
2135 ["cf::object" => qw(contr pay_amount pay_player map)], 2868 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869 insert remove inv name archname title slaying race
2870 decrease_ob_nr)],
2136 ["cf::object::player" => qw(player)], 2871 ["cf::object::player" => qw(player)],
2137 ["cf::player" => qw(peaceful)], 2872 ["cf::player" => qw(peaceful)],
2138 ["cf::map" => qw(trigger)], 2873 ["cf::map" => qw(trigger)],
2139) { 2874) {
2140 no strict 'refs'; 2875 no strict 'refs';
2211=back 2946=back
2212 2947
2213=cut 2948=cut
2214 2949
2215############################################################################# 2950#############################################################################
2216
2217=head2 EXTENSION DATABASE SUPPORT
2218
2219Crossfire maintains a very simple database for extension use. It can
2220currently store anything that can be serialised using Storable, which
2221excludes objects.
2222
2223The parameter C<$family> should best start with the name of the extension
2224using it, it should be unique.
2225
2226=over 4
2227
2228=item $value = cf::db_get $family => $key
2229
2230Returns a single value from the database.
2231
2232=item cf::db_put $family => $key => $value
2233
2234Stores the given C<$value> in the family.
2235
2236=cut
2237
2238our $DB;
2239
2240sub db_init {
2241 unless ($DB) {
2242 $DB = BDB::db_create $DB_ENV;
2243
2244 cf::sync_job {
2245 eval {
2246 $DB->set_flags (BDB::CHKSUM);
2247
2248 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250 cf::cleanup "db_open(db): $!" if $!;
2251 };
2252 cf::cleanup "db_open(db): $@" if $@;
2253 };
2254
2255 my $path = cf::localdir . "/database.pst";
2256 if (stat $path) {
2257 cf::sync_job {
2258 my $pst = Storable::retrieve $path;
2259
2260 cf::db_put (board => data => $pst->{board});
2261 cf::db_put (guildrules => data => $pst->{guildrules});
2262 cf::db_put (rent => balance => $pst->{rent}{balance});
2263 BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265 unlink $path;
2266 };
2267 }
2268 }
2269}
2270
2271sub db_get($$) {
2272 my $key = "$_[0]/$_[1]";
2273
2274 cf::sync_job {
2275 BDB::db_get $DB, undef, $key, my $data;
2276
2277 $! ? ()
2278 : Compress::LZF::sthaw $data
2279 }
2280}
2281
2282sub db_put($$$) {
2283 BDB::dbreq_pri 4;
2284 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285}
2286
2287#############################################################################
2288# the server's init and main functions 2951# the server's init and main functions
2289 2952
2290sub load_facedata { 2953sub load_facedata($) {
2291 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;
2292 2961
2293 warn "loading facedata from $path\n"; 2962 warn "loading facedata from $path\n";
2294 2963
2295 my $faces; 2964 my $facedata;
2296 0 < aio_load $path, $faces 2965 0 < aio_load $path, $facedata
2297 or die "$path: $!"; 2966 or die "$path: $!";
2298 2967
2299 Coro::cede;
2300 $faces = Storable::thaw $faces; 2968 $facedata = Coro::Storable::thaw $facedata;
2301 Coro::cede;
2302 2969
2303 my $meta = delete $faces->{""};
2304 $meta->{version} == 1 2970 $facedata->{version} == 2
2305 or cf::cleanup "$path: version mismatch, cannot proceed."; 2971 or cf::cleanup "$path: version mismatch, cannot proceed.";
2306 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 = $facedata->{faceinfo};
2982
2307 while (my ($face, $info) = each %$faces) { 2983 while (my ($face, $info) = each %$faces) {
2308 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2984 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2985 cf::face::set_visibility $idx, $info->{visibility};
2986 cf::face::set_magicmap $idx, $info->{magicmap};
2310 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2987 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2988 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312 Coro::cede;
2313 }
2314 2989
2990 cf::cede_to_tick;
2991 }
2992
2315 while (my ($face, $info) = each %$faces) { 2993 while (my ($face, $info) = each %$faces) {
2316 next unless $info->{smooth}; 2994 next unless $info->{smooth};
2317 my $idx = cf::face::find $face 2995 my $idx = cf::face::find $face
2318 or next; 2996 or next;
2319 if (my $smooth = cf::face::find $info->{smooth}) { 2997 if (my $smooth = cf::face::find $info->{smooth}) {
2320 cf::face::set_smooth $idx, $smooth; 2998 cf::face::set_smooth $idx, $smooth;
2999 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321 } else { 3000 } else {
2322 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3001 warn "smooth face '$info->{smooth}' not found for face '$face'";
2323 } 3002 }
2324 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 => $face;
3064 }
3065 }
2325 } 3066 }
2326 3067
2327 1 3068 1
2328} 3069}
2329 3070
3071register_exticmd fx_want => sub {
3072 my ($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
2330sub reload_resources { 3113sub reload_resources {
2331 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3114 warn "reloading resource files...\n";
2332 or die "unable to load regions file\n";#d# 3115
3116 reload_regions;
2333 load_facedata 3117 reload_facedata;
2334 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";
2335} 3123}
2336 3124
2337sub init { 3125sub init {
2338 reload_resources; 3126 reload_resources;
2339} 3127}
2340 3128
2341sub cfg_load { 3129sub reload_config {
2342 open my $fh, "<:utf8", cf::confdir . "/config" 3130 open my $fh, "<:utf8", "$CONFDIR/config"
2343 or return; 3131 or return;
2344 3132
2345 local $/; 3133 local $/;
2346 *CFG = YAML::Syck::Load <$fh>; 3134 *CFG = YAML::Syck::Load <$fh>;
2347 3135
2366 (async { 3154 (async {
2367 Event::one_event; 3155 Event::one_event;
2368 })->prio (Coro::PRIO_MAX); 3156 })->prio (Coro::PRIO_MAX);
2369 }; 3157 };
2370 3158
2371 cfg_load; 3159 reload_config;
2372 db_init; 3160 db_init;
2373 load_extensions; 3161 load_extensions;
2374 3162
2375 $TICK_WATCHER->start; 3163 $TICK_WATCHER->start;
2376 Event::loop; 3164 Event::loop;
2392 }, 3180 },
2393 ); 3181 );
2394 } 3182 }
2395} 3183}
2396 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
2397sub emergency_save() { 3223sub emergency_save() {
2398 my $freeze_guard = cf::freeze_mainloop; 3224 my $freeze_guard = cf::freeze_mainloop;
2399 3225
2400 warn "enter emergency perl save\n"; 3226 warn "enter emergency perl save\n";
2401 3227
2432 3258
2433 warn Carp::longmess "post_cleanup backtrace" 3259 warn Carp::longmess "post_cleanup backtrace"
2434 if $make_core; 3260 if $make_core;
2435} 3261}
2436 3262
2437sub reload() { 3263sub do_reload_perl() {
2438 # can/must only be called in main 3264 # can/must only be called in main
2439 if ($Coro::current != $Coro::main) { 3265 if ($Coro::current != $Coro::main) {
2440 warn "can only reload from main coroutine"; 3266 warn "can only reload from main coroutine";
2441 return; 3267 return;
2442 } 3268 }
2476 %EXT_CORO = (); 3302 %EXT_CORO = ();
2477 3303
2478 warn "removing commands"; 3304 warn "removing commands";
2479 %COMMAND = (); 3305 %COMMAND = ();
2480 3306
2481 warn "removing ext commands"; 3307 warn "removing ext/exti commands";
2482 %EXTCMD = (); 3308 %EXTCMD = ();
3309 %EXTICMD = ();
2483 3310
2484 warn "unloading/nuking all extensions"; 3311 warn "unloading/nuking all extensions";
2485 for my $pkg (@EXTS) { 3312 for my $pkg (@EXTS) {
2486 warn "... unloading $pkg"; 3313 warn "... unloading $pkg";
2487 3314
2517 Symbol::delete_package "safe::$_" 3344 Symbol::delete_package "safe::$_"
2518 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);
2519 3346
2520 warn "unloading cf.pm \"a bit\""; 3347 warn "unloading cf.pm \"a bit\"";
2521 delete $INC{"cf.pm"}; 3348 delete $INC{"cf.pm"};
3349 delete $INC{"cf/pod.pm"};
2522 3350
2523 # don't, removes xs symbols, too, 3351 # don't, removes xs symbols, too,
2524 # and global variables created in xs 3352 # and global variables created in xs
2525 #Symbol::delete_package __PACKAGE__; 3353 #Symbol::delete_package __PACKAGE__;
2526 3354
2529 warn "reloading cf.pm"; 3357 warn "reloading cf.pm";
2530 require cf; 3358 require cf;
2531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3359 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532 3360
2533 warn "loading config and database again"; 3361 warn "loading config and database again";
2534 cf::cfg_load; 3362 cf::reload_config;
2535 3363
2536 warn "loading extensions"; 3364 warn "loading extensions";
2537 cf::load_extensions; 3365 cf::load_extensions;
2538 3366
2539 warn "reattaching attachments to objects/players"; 3367 warn "reattaching attachments to objects/players";
2541 warn "reattaching attachments to maps"; 3369 warn "reattaching attachments to maps";
2542 reattach $_ for values %MAP; 3370 reattach $_ for values %MAP;
2543 warn "reattaching attachments to players"; 3371 warn "reattaching attachments to players";
2544 reattach $_ for values %PLAYER; 3372 reattach $_ for values %PLAYER;
2545 3373
2546 warn "loading reloadable resources";
2547 reload_resources;
2548
2549 warn "leaving sync_job"; 3374 warn "leaving sync_job";
2550 3375
2551 1 3376 1
2552 } or do { 3377 } or do {
2553 warn $@; 3378 warn $@;
2558 warn "reloaded"; 3383 warn "reloaded";
2559}; 3384};
2560 3385
2561our $RELOAD_WATCHER; # used only during reload 3386our $RELOAD_WATCHER; # used only during reload
2562 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 $RELOAD_WATCHER;
3399 },
3400 );
3401}
3402
2563register_command "reload" => sub { 3403register_command "reload" => sub {
2564 my ($who, $arg) = @_; 3404 my ($who, $arg) = @_;
2565 3405
2566 if ($who->flag (FLAG_WIZ)) { 3406 if ($who->flag (FLAG_WIZ)) {
2567 $who->message ("reloading server."); 3407 $who->message ("reloading server.");
2568 3408 async { reload_perl };
2569 # doing reload synchronously and two reloads happen back-to-back,
2570 # coro crashes during coro_state_free->destroy here.
2571
2572 $RELOAD_WATCHER ||= Event->timer (
2573 reentrant => 0,
2574 after => 0,
2575 data => WF_AUTOCANCEL,
2576 cb => sub {
2577 reload;
2578 undef $RELOAD_WATCHER;
2579 },
2580 );
2581 } 3409 }
2582}; 3410};
2583 3411
2584unshift @INC, $LIBDIR; 3412unshift @INC, $LIBDIR;
2585 3413
2586my $bug_warning = 0; 3414my $bug_warning = 0;
2587 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 $avg = 10;
2588$TICK_WATCHER = Event->timer ( 3439$TICK_WATCHER = Event->timer (
2589 reentrant => 0, 3440 reentrant => 0,
2590 parked => 1, 3441 parked => 1,
2591 prio => 0, 3442 prio => 0,
2592 at => $NEXT_TICK || $TICK, 3443 at => $NEXT_TICK || $TICK,
2596 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3447 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597 unless ++$bug_warning > 10; 3448 unless ++$bug_warning > 10;
2598 return; 3449 return;
2599 } 3450 }
2600 3451
2601 $NOW = Event::time; 3452 $NOW = $tick_start = Event::time;
2602 3453
2603 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
2604 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2605 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2606 3481
2607 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608 $NEXT_RUNTIME_WRITE = $NOW + 10; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
2610 write_runtime 3485 write_runtime
2611 or warn "ERROR: unable to write runtime file: $!"; 3486 or warn "ERROR: unable to write runtime file: $!";
2612 }; 3487 };
2613 } 3488 }
2614 3489
2615 $WAIT_FOR_TICK->broadcast;
2616 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618# my $AFTER = Event::time; 3490# my $AFTER = Event::time;
2619# warn $AFTER - $NOW;#d# 3491# warn $AFTER - $NOW;#d#
2620 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
2621 # 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
2622 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3503 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623 3504
2624 $TICK_WATCHER->at ($NEXT_TICK); 3505 $TICK_WATCHER->at ($NEXT_TICK);
2625 $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
2626 }, 3514 },
2627); 3515);
2628 3516
2629{ 3517{
2630 BDB::max_poll_time $TICK * 0.1; 3518 BDB::max_poll_time $TICK * 0.1;
2658 3546
2659 cf::sync_job { 3547 cf::sync_job {
2660 eval { 3548 eval {
2661 BDB::db_env_open 3549 BDB::db_env_open
2662 $DB_ENV, 3550 $DB_ENV,
2663 $BDB_ENV_DIR, 3551 $BDBDIR,
2664 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3552 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3553 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666 0666; 3554 0666;
2667 3555
2668 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3556 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669 3557
2670 $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);
2671 $DB_ENV->set_lk_detect; 3559 $DB_ENV->set_lk_detect;
2672 }; 3560 };
2673 3561
2689 prio => 6, 3577 prio => 6,
2690 cb => \&IO::AIO::poll_cb, 3578 cb => \&IO::AIO::poll_cb,
2691 ); 3579 );
2692} 3580}
2693 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
2694END { cf::emergency_save } 3623END { cf::emergency_save }
2695 3624
26961 36251
2697 3626

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