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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

10use Event; 10use Event;
11use Opcode; 11use Opcode;
12use Safe; 12use Safe;
13use Safe::Hole; 13use Safe::Hole;
14 14
15use Coro 3.61 (); 15use Coro 3.64 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
24 25
26use JSON::XS ();
25use BDB (); 27use BDB ();
26use Data::Dumper; 28use Data::Dumper;
27use Digest::MD5; 29use Digest::MD5;
28use Fcntl; 30use Fcntl;
29use YAML::Syck (); 31use YAML::Syck ();
30use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
31use Time::HiRes; 33use Time::HiRes;
32use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
33 36
34# configure various modules to our taste 37# configure various modules to our taste
35# 38#
36$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
37Coro::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
49our %COMMAND = (); 52our %COMMAND = ();
50our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
51 54
52our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
56 60
57our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
58our @EVENT; 62our @EVENT;
59our $LIBDIR = datadir . "/ext"; 63
64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
60 75
61our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62our $TICK_WATCHER; 77our $TICK_WATCHER;
63our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
72our %CFG; 87our %CFG;
73 88
74our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
75our $RUNTIME; 90our $RUNTIME;
76 91
77our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
78our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
79our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
80our $RANDOM_MAPS = cf::localdir . "/random";
81our $BDB_ENV_DIR = cf::localdir . "/db";
82 95
83# 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 ∕
84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
86binmode STDOUT; 103binmode STDOUT;
87binmode STDERR; 104binmode STDERR;
88 105
89# read virtual server time, if available 106# read virtual server time, if available
90unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
92 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
93 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
94} 111}
95 112
96mkdir cf::localdir; 113mkdir $_
97mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98mkdir cf::localdir . "/" . cf::tmpdir;
99mkdir cf::localdir . "/" . cf::uniquedir;
100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
102 115
103our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
104 117
105sub cf::map::normalise; 118sub cf::map::normalise;
106 119
117=item $cf::RUNTIME 130=item $cf::RUNTIME
118 131
119The 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
120every server tick. 133every server tick.
121 134
122=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
123 138
124The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
125be 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.
126 143
127=item $cf::NOW 144=item $cf::NOW
128 145
129The time of the last (current) server tick. 146The time of the last (current) server tick.
130 147
131=item $cf::TICK 148=item $cf::TICK
132 149
133The 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.
134 161
135=item %cf::CFG 162=item %cf::CFG
136 163
137Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
138from wherever your confdir points to. 165from wherever your confdir points to.
141 168
142These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
144per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
178
146=back 179=back
147 180
148=cut 181=cut
149 182
150BEGIN { 183BEGIN {
152 my $msg = join "", @_; 185 my $msg = join "", @_;
153 186
154 $msg .= "\n" 187 $msg .= "\n"
155 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
156 189
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158 191
159 utf8::encode $msg; 192 utf8::encode $msg;
160 LOG llevError, $msg; 193 LOG llevError, $msg;
161 }; 194 };
162} 195}
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170 204
171# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
172# within the Safe compartment. 206# within the Safe compartment.
173for my $pkg (qw( 207for my $pkg (qw(
174 cf::global cf::attachable 208 cf::global cf::attachable
182} 216}
183 217
184$Event::DIED = sub { 218$Event::DIED = sub {
185 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
186}; 220};
221
222#############################################################################
187 223
188=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
189 225
190=over 4 226=over 4
191 227
210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211 $d 247 $d
212 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
213} 249}
214 250
215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
218 252
219Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
220 254
221=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
222 256
223Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
258
259=cut
260
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262
263sub to_json ($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) }
224 265
225=item cf::lock_wait $string 266=item cf::lock_wait $string
226 267
227Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
228 269
231Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
232a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
234returned. 275returned.
235 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
236Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
237uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
238 286
239=cut 287=cut
240 288
241our %LOCK; 289our %LOCK;
242 290
260 308
261 Coro::guard { 309 Coro::guard {
262 # wake up all waiters, to be on the safe side 310 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 311 $_->ready for @{ delete $LOCK{$key} };
264 } 312 }
313}
314
315sub lock_active($) {
316 my ($key) = @_;
317
318 ! ! $LOCK{$key}
265} 319}
266 320
267sub freeze_mainloop { 321sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 322 return unless $TICK_WATCHER->is_active;
269 323
272 }; 326 };
273 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
274 $guard 328 $guard
275} 329}
276 330
331=item cf::get_slot $time[, $priority[, $name]]
332
333Allocate $time seconds of blocking CPU time at priority C<$priority>:
334This call blocks and returns only when you have at least C<$time> seconds
335of cpu time till the next tick. The slot is only valid till the next cede.
336
337The optional C<$name> can be used to identify the job to run. It might be
338used for statistical purposes and should identify the same time-class.
339
340Useful for short background jobs.
341
342=cut
343
344our @SLOT_QUEUE;
345our $SLOT_QUEUE;
346
347$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async {
349 my $signal = new Coro::Signal;
350
351 while () {
352 next_job:
353 my $avail = cf::till_tick;
354 if ($avail > 0.01) {
355 for (0 .. $#SLOT_QUEUE) {
356 if ($SLOT_QUEUE[$_][0] < $avail) {
357 my $job = splice @SLOT_QUEUE, $_, 1, ();
358 $job->[2]->send;
359 Coro::cede;
360 goto next_job;
361 }
362 }
363 }
364
365 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait;
369 } else {
370 Coro::schedule;
371 }
372 }
373};
374
375sub get_slot($;$$) {
376 my ($time, $pri, $name) = @_;
377
378 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal;
380
381 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383 $SLOT_QUEUE->ready;
384 $sig->wait;
385}
386
277=item cf::async { BLOCK } 387=item cf::async { BLOCK }
278 388
279Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
280C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 390C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281thing you are allowed to do is call C<prio> on it. 391thing you are allowed to do is call C<prio> on it.
284 394
285BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
286 396
287=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
288 398
289The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
291reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable.
292 403
293If it must be done, put the blocking parts into C<sync_job>. This will run 404If it must be done, put the blocking parts into C<sync_job>. This will run
294the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
295server will be frozen during this time, so the block should either finish 406server will be frozen during this time, so the block should either finish
296fast or be very important. 407fast or be very important.
299 410
300sub sync_job(&) { 411sub sync_job(&) {
301 my ($job) = @_; 412 my ($job) = @_;
302 413
303 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
304 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
306 419
307 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
308 # (but this is cancel-safe) 421 # (but this is cancel-safe)
319 432
320 while ($busy) { 433 while ($busy) {
321 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
322 } 435 }
323 436
437 $time = Event::time - $time;
438
439 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442 $tick_start += $time; # do not account sync jobs to server load
443
324 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
325 } else { 445 } else {
326 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
327 447
328 $job->() 448 $job->()
347 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
348 468
349 $coro 469 $coro
350} 470}
351 471
352sub write_runtime { 472=item fork_call { }, $args
353 my $guard = cf::lock_acquire "write_runtime";
354 473
355 my $runtime = cf::localdir . "/runtime"; 474Executes the given code block with the given arguments in a seperate
475process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling.
356 478
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 479=cut
358 or return;
359 480
360 my $value = $cf::RUNTIME + 90 + 10; 481sub fork_call(&@) {
361 # 10 is the runtime save interval, for a monotonic clock 482 my ($cb, @args) = @_;
362 # 60 allows for the watchdog to kill the server.
363 483
364 (aio_write $fh, 0, (length $value), $value, 0) <= 0 484 # we seemingly have to make a local copy of the whole thing,
365 and return; 485 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (likely this will be rather laborious)
366 487
367 # always fsync - this file is important 488 my @res = Coro::Util::fork_eval {
368 aio_fsync $fh 489 reset_signals;
369 and return; 490 &$cb
491 }, @args;
370 492
371 close $fh 493 wantarray ? @res : $res[-1]
372 or return; 494}
373 495
374 aio_rename "$runtime~", $runtime 496=item $value = cf::db_get $family => $key
375 and return;
376 497
498Returns a single value from the environment database.
499
500=item cf::db_put $family => $key => $value
501
502Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504
505=cut
506
507our $DB;
508
509sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job {
514 eval {
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
377 1 523 }
524}
525
526sub db_get($$) {
527 my $key = "$_[0]/$_[1]";
528
529 cf::sync_job {
530 BDB::db_get $DB, undef, $key, my $data;
531
532 $! ? ()
533 : $data
534 }
535}
536
537sub db_put($$$) {
538 BDB::dbreq_pri 4;
539 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
540}
541
542=item cf::cache $id => [$paths...], $processversion => $process
543
544Generic caching function that returns the value of the resource $id,
545caching and regenerating as required.
546
547This function can block.
548
549=cut
550
551sub cache {
552 my ($id, $src, $processversion, $process) = @_;
553
554 my $meta =
555 join "\x00",
556 $processversion,
557 map {
558 aio_stat $_
559 and Carp::croak "$_: $!";
560
561 ($_, (stat _)[7,9])
562 } @$src;
563
564 my $dbmeta = db_get cache => "$id/meta";
565 if ($dbmeta ne $meta) {
566 # changed, we may need to process
567
568 my @data;
569 my $md5;
570
571 for (0 .. $#$src) {
572 0 <= aio_load $src->[$_], $data[$_]
573 or Carp::croak "$src->[$_]: $!";
574 }
575
576 # if processing is expensive, check
577 # checksum first
578 if (1) {
579 $md5 =
580 join "\x00",
581 $processversion,
582 map {
583 cf::cede_to_tick;
584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
585 } 0.. $#$src;
586
587
588 my $dbmd5 = db_get cache => "$id/md5";
589 if ($dbmd5 eq $md5) {
590 db_put cache => "$id/meta", $meta;
591
592 return db_get cache => "$id/data";
593 }
594 }
595
596 my $t1 = Time::HiRes::time;
597 my $data = $process->(\@data);
598 my $t2 = Time::HiRes::time;
599
600 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
601
602 db_put cache => "$id/data", $data;
603 db_put cache => "$id/md5" , $md5;
604 db_put cache => "$id/meta", $meta;
605
606 return $data;
607 }
608
609 db_get cache => "$id/data"
378} 610}
379 611
380=item cf::datalog type => key => value, ... 612=item cf::datalog type => key => value, ...
381 613
382Log a datalog packet of the given type with the given key-value pairs. 614Log a datalog packet of the given type with the given key-value pairs.
400attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
401to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
402 634
403In the following description, CLASS can be any of C<global>, C<object> 635In the following description, CLASS can be any of C<global>, C<object>
404C<player>, C<client> or C<map> (i.e. the attachable objects in 636C<player>, C<client> or C<map> (i.e. the attachable objects in
405crossfire+). 637Crossfire TRT).
406 638
407=over 4 639=over 4
408 640
409=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
410 642
573 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
574 806
575 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 811
580 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 813 my $pkg = shift @arg;
582 814
583 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
612 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
613 } 845 }
614 846
615 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
616 } else { 848 } else {
617 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
618 } 850 }
619 851
620 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
621} 853}
622 854
624 if (ref $_[0]) { 856 if (ref $_[0]) {
625 _object_attach @_; 857 _object_attach @_;
626 } else { 858 } else {
627 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
628 } 860 }
861 _recalc_want;
629}; 862};
630 863
631# all those should be optimised 864# all those should be optimised
632sub cf::attachable::detach { 865sub cf::attachable::detach {
633 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
636 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
637 reattach ($obj); 870 reattach ($obj);
638 } else { 871 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
640 } 873 }
874 _recalc_want;
641}; 875};
642 876
643sub cf::attachable::attached { 877sub cf::attachable::attached {
644 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
645 879
660 "; 894 ";
661 die if $@; 895 die if $@;
662} 896}
663 897
664our $override; 898our $override;
665our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 899our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666 900
667sub override { 901sub override {
668 $override = 1; 902 $override = 1;
669 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
670} 904}
671 905
672sub do_invoke { 906sub do_invoke {
673 my $event = shift; 907 my $event = shift;
674 my $callbacks = shift; 908 my $callbacks = shift;
675 909
676 @invoke_results = (); 910 @INVOKE_RESULTS = ();
677 911
678 local $override; 912 local $override;
679 913
680 for (@$callbacks) { 914 for (@$callbacks) {
681 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
698 932
699Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
700 934
701This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 935This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702removed in future versions), and there is no public API to access override 936removed in future versions), and there is no public API to access override
703results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704 938
705=back 939=back
706 940
707=cut 941=cut
708 942
709############################################################################# 943#############################################################################
710# object support 944# object support
945#
946
947sub _can_merge {
948 my ($ob1, $ob2) = @_;
949
950 local $Storable::canonical = 1;
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953
954 $fob1 eq $fob2
955}
711 956
712sub reattach { 957sub reattach {
713 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
714 my ($obj) = @_; 959 my ($obj) = @_;
715 960
759 }, 1004 },
760); 1005);
761 1006
762sub object_freezer_save { 1007sub object_freezer_save {
763 my ($filename, $rdata, $objs) = @_; 1008 my ($filename, $rdata, $objs) = @_;
1009
1010 my $guard = cf::lock_acquire "io";
764 1011
765 sync_job { 1012 sync_job {
766 if (length $$rdata) { 1013 if (length $$rdata) {
767 warn sprintf "saving %s (%d,%d)\n", 1014 warn sprintf "saving %s (%d,%d)\n",
768 $filename, length $$rdata, scalar @$objs; 1015 $filename, length $$rdata, scalar @$objs;
792 } 1039 }
793 } else { 1040 } else {
794 aio_unlink $filename; 1041 aio_unlink $filename;
795 aio_unlink "$filename.pst"; 1042 aio_unlink "$filename.pst";
796 } 1043 }
797 } 1044 };
1045
1046 undef $guard;
798} 1047}
799 1048
800sub object_freezer_as_string { 1049sub object_freezer_as_string {
801 my ($rdata, $objs) = @_; 1050 my ($rdata, $objs) = @_;
802 1051
807 1056
808sub object_thawer_load { 1057sub object_thawer_load {
809 my ($filename) = @_; 1058 my ($filename) = @_;
810 1059
811 my ($data, $av); 1060 my ($data, $av);
1061
1062 my $guard = cf::lock_acquire "io";
812 1063
813 (aio_load $filename, $data) >= 0 1064 (aio_load $filename, $data) >= 0
814 or return; 1065 or return;
815 1066
816 unless (aio_stat "$filename.pst") { 1067 unless (aio_stat "$filename.pst") {
817 (aio_load "$filename.pst", $av) >= 0 1068 (aio_load "$filename.pst", $av) >= 0
818 or return; 1069 or return;
1070
1071 undef $guard;
819 $av = eval { (Storable::thaw $av)->{objs} }; 1072 $av = eval { (Storable::thaw $av)->{objs} };
820 } 1073 }
821 1074
822 warn sprintf "loading %s (%d)\n", 1075 warn sprintf "loading %s (%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 1076 $filename, length $data, scalar @{$av || []};
1077
824 return ($data, $av); 1078 ($data, $av)
825} 1079}
1080
1081=head2 COMMAND CALLBACKS
1082
1083=over 4
1084
1085=cut
826 1086
827############################################################################# 1087#############################################################################
828# command handling &c 1088# command handling &c
829 1089
830=item cf::register_command $name => \&callback($ob,$args); 1090=item cf::register_command $name => \&callback($ob,$args);
843 push @{ $COMMAND{$name} }, [$caller, $cb]; 1103 push @{ $COMMAND{$name} }, [$caller, $cb];
844} 1104}
845 1105
846=item cf::register_extcmd $name => \&callback($pl,$packet); 1106=item cf::register_extcmd $name => \&callback($pl,$packet);
847 1107
848Register a callbackf ro execution when the client sends an extcmd packet. 1108Register a callback for execution when the client sends an (synchronous)
1109extcmd packet. Ext commands will be processed in the order they are
1110received by the server, like other user commands. The first argument is
1111the logged-in player. Ext commands can only be processed after a player
1112has logged in successfully.
849 1113
850If the callback returns something, it is sent back as if reply was being 1114If the callback returns something, it is sent back as if reply was being
851called. 1115called.
852 1116
1117=item cf::register_exticmd $name => \&callback($ns,$packet);
1118
1119Register a callback for execution when the client sends an (asynchronous)
1120exticmd packet. Exti commands are processed by the server as soon as they
1121are received, i.e. out of order w.r.t. other commands. The first argument
1122is a client socket. Exti commands can be received anytime, even before
1123log-in.
1124
1125If the callback returns something, it is sent back as if reply was being
1126called.
1127
853=cut 1128=cut
854 1129
855sub register_extcmd { 1130sub register_extcmd {
856 my ($name, $cb) = @_; 1131 my ($name, $cb) = @_;
857 1132
858 $EXTCMD{$name} = $cb; 1133 $EXTCMD{$name} = $cb;
1134}
1135
1136sub register_exticmd {
1137 my ($name, $cb) = @_;
1138
1139 $EXTICMD{$name} = $cb;
859} 1140}
860 1141
861cf::player->attach ( 1142cf::player->attach (
862 on_command => sub { 1143 on_command => sub {
863 my ($pl, $name, $params) = @_; 1144 my ($pl, $name, $params) = @_;
872 cf::override; 1153 cf::override;
873 }, 1154 },
874 on_extcmd => sub { 1155 on_extcmd => sub {
875 my ($pl, $buf) = @_; 1156 my ($pl, $buf) = @_;
876 1157
877 my $msg = eval { from_json $buf }; 1158 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878 1159
879 if (ref $msg) { 1160 if (ref $msg) {
1161 my ($type, $reply, @payload) =
1162 "ARRAY" eq ref $msg
1163 ? @$msg
1164 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1165
1166 my @reply;
1167
880 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1168 if (my $cb = $EXTCMD{$type}) {
881 if (my %reply = $cb->($pl, $msg)) { 1169 @reply = $cb->($pl, @payload);
882 $pl->ext_reply ($msg->{msgid}, %reply);
883 }
884 } 1170 }
1171
1172 $pl->ext_reply ($reply, @reply)
1173 if $reply;
1174
885 } else { 1175 } else {
886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1176 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887 } 1177 }
888 1178
889 cf::override; 1179 cf::override;
890 }, 1180 },
891); 1181);
892 1182
893sub load_extension {
894 my ($path) = @_;
895
896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
897 my $base = $1;
898 my $pkg = $1;
899 $pkg =~ s/[^[:word:]]/_/g;
900 $pkg = "ext::$pkg";
901
902 warn "... loading '$path' into '$pkg'\n";
903
904 open my $fh, "<:utf8", $path
905 or die "$path: $!";
906
907 my $source =
908 "package $pkg; use strict; use utf8;\n"
909 . "#line 1 \"$path\"\n{\n"
910 . (do { local $/; <$fh> })
911 . "\n};\n1";
912
913 unless (eval $source) {
914 my $msg = $@ ? "$path: $@\n"
915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
923
924 push @EXTS, $pkg;
925}
926
927sub load_extensions { 1183sub load_extensions {
1184 cf::sync_job {
1185 my %todo;
1186
928 for my $ext (<$LIBDIR/*.ext>) { 1187 for my $path (<$LIBDIR/*.ext>) {
929 next unless -r $ext; 1188 next unless -r $path;
930 eval { 1189
931 load_extension $ext; 1190 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1191 my $base = $1;
1192 my $pkg = $1;
1193 $pkg =~ s/[^[:word:]]/_/g;
1194 $pkg = "ext::$pkg";
1195
1196 open my $fh, "<:utf8", $path
1197 or die "$path: $!";
1198
1199 my $source = do { local $/; <$fh> };
1200
1201 my %ext = (
1202 path => $path,
1203 base => $base,
1204 pkg => $pkg,
1205 );
1206
1207 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209
1210 $ext{source} =
1211 "package $pkg; use strict; use utf8;\n"
1212 . "#line 1 \"$path\"\n{\n"
1213 . $source
1214 . "\n};\n1";
1215
1216 $todo{$base} = \%ext;
1217 }
1218
1219 my %done;
1220 while (%todo) {
1221 my $progress;
1222
1223 while (my ($k, $v) = each %todo) {
1224 for (split /,\s*/, $v->{meta}{depends}) {
1225 goto skip
1226 unless exists $done{$_};
1227 }
1228
1229 warn "... loading '$k' into '$v->{pkg}'\n";
1230
1231 unless (eval $v->{source}) {
1232 my $msg = $@ ? "$v->{path}: $@\n"
1233 : "$v->{base}: extension inactive.\n";
1234
1235 if (exists $v->{meta}{mandatory}) {
1236 warn $msg;
1237 warn "mandatory extension failed to load, exiting.\n";
1238 exit 1;
1239 }
1240
1241 warn $msg;
1242 }
1243
1244 $done{$k} = delete $todo{$k};
1245 push @EXTS, $v->{pkg};
1246 $progress = 1;
932 1 1247 }
933 } or warn "$ext not loaded: $@"; 1248
1249 skip:
1250 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1251 unless $progress;
1252 }
934 } 1253 };
935} 1254}
936 1255
937############################################################################# 1256#############################################################################
938 1257
1258=back
1259
939=head2 CORE EXTENSIONS 1260=head2 CORE EXTENSIONS
940 1261
941Functions and methods that extend core crossfire objects. 1262Functions and methods that extend core crossfire objects.
942 1263
943=cut 1264=cut
955Returns the given player object, loading it if necessary (might block). 1276Returns the given player object, loading it if necessary (might block).
956 1277
957=cut 1278=cut
958 1279
959sub playerdir($) { 1280sub playerdir($) {
960 cf::localdir 1281 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1282 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1283}
966 1284
967sub path($) { 1285sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1286 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1313 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1314 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1315 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl"; 1316 aio_unlink +(playerdir $login) . "/$login.pl";
999 1317
1000 my $pl = load_pl path $login 1318 my $f = new_from_file cf::object::thawer path $login
1001 or return; 1319 or return;
1320
1321 $f->next;
1322 my $pl = cf::player::load_pl $f
1323 or return;
1324 local $cf::PLAYER_LOADING{$login} = $pl;
1325 $f->resolve_delayed_derefs;
1002 $cf::PLAYER{$login} = $pl 1326 $cf::PLAYER{$login} = $pl
1003 } 1327 }
1004 } 1328 }
1005} 1329}
1006 1330
1016 1340
1017 aio_mkdir playerdir $pl, 0770; 1341 aio_mkdir playerdir $pl, 0770;
1018 $pl->{last_save} = $cf::RUNTIME; 1342 $pl->{last_save} = $cf::RUNTIME;
1019 1343
1020 $pl->save_pl ($path); 1344 $pl->save_pl ($path);
1021 Coro::cede; 1345 cf::cede_to_tick;
1022} 1346}
1023 1347
1024sub new($) { 1348sub new($) {
1025 my ($login) = @_; 1349 my ($login) = @_;
1026 1350
1030 $self->{deny_save} = 1; 1354 $self->{deny_save} = 1;
1031 1355
1032 $cf::PLAYER{$login} = $self; 1356 $cf::PLAYER{$login} = $self;
1033 1357
1034 $self 1358 $self
1359}
1360
1361=item $player->send_msg ($channel, $msg, $color, [extra...])
1362
1363=cut
1364
1365sub send_msg {
1366 my $ns = shift->ns
1367 or return;
1368 $ns->send_msg (@_);
1035} 1369}
1036 1370
1037=item $pl->quit_character 1371=item $pl->quit_character
1038 1372
1039Nukes the player without looking back. If logged in, the connection will 1373Nukes the player without looking back. If logged in, the connection will
1088while and may block, so not sync_job-capable, ever. 1422while and may block, so not sync_job-capable, ever.
1089 1423
1090=cut 1424=cut
1091 1425
1092sub list_logins { 1426sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1427 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1428 or return [];
1095 1429
1096 my @logins; 1430 my @logins;
1097 1431
1098 for my $login (@$dirs) { 1432 for my $login (@$dirs) {
1433 my $path = path $login;
1434
1435 # a .pst is a dead give-away for a valid player
1436 unless (-e "$path.pst") {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1437 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next; 1438 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag 1439 $buf !~ /^password -------------$/m or next; # official not-valid tag
1440 }
1102 1441
1103 utf8::decode $login; 1442 utf8::decode $login;
1104 push @logins, $login; 1443 push @logins, $login;
1105 } 1444 }
1106 1445
1133 } 1472 }
1134 1473
1135 \@paths 1474 \@paths
1136} 1475}
1137 1476
1477=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1478
1479Expand crossfire pod fragments into protocol xml.
1480
1481=cut
1482
1483sub expand_cfpod {
1484 ((my $self), (local $_)) = @_;
1485
1486 # escape & and <
1487 s/&/&amp;/g;
1488 s/(?<![BIUGHT])</&lt;/g;
1489
1490 # this is buggy, it needs to properly take care of nested <'s
1491
1492 1 while
1493 # replace B<>, I<>, U<> etc.
1494 s/B<([^\>]*)>/<b>$1<\/b>/
1495 || s/I<([^\>]*)>/<i>$1<\/i>/
1496 || s/U<([^\>]*)>/<u>$1<\/u>/
1497 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527
1138=item $player->ext_reply ($msgid, %msg) 1528=item $player->ext_reply ($msgid, @msg)
1139 1529
1140Sends an ext reply to the player. 1530Sends an ext reply to the player.
1141 1531
1142=cut 1532=cut
1143 1533
1144sub ext_reply($$%) { 1534sub ext_reply($$@) {
1145 my ($self, $id, %msg) = @_; 1535 my ($self, $id, @msg) = @_;
1146 1536
1147 $msg{msgid} = $id; 1537 $self->ns->ext_reply ($id, @msg)
1148
1149 $self->send ("ext " . cf::to_json \%msg);
1150} 1538}
1151 1539
1152=item $player->ext_event ($type, %msg) 1540=item $player->ext_msg ($type, @msg)
1153 1541
1154Sends an ext event to the client. 1542Sends an ext event to the client.
1155 1543
1156=cut 1544=cut
1157 1545
1158sub ext_event($$%) { 1546sub ext_msg($$@) {
1159 my ($self, $type, %msg) = @_; 1547 my ($self, $type, @msg) = @_;
1160 1548
1161 $self->ns->ext_event ($type, %msg); 1549 $self->ns->ext_msg ($type, @msg);
1162} 1550}
1163 1551
1164=head3 cf::region 1552=head3 cf::region
1165 1553
1166=over 4 1554=over 4
1169 1557
1170package cf::region; 1558package cf::region;
1171 1559
1172=item cf::region::find_by_path $path 1560=item cf::region::find_by_path $path
1173 1561
1174Tries to decuce the probable region for a map knowing only its path. 1562Tries to decuce the likely region for a map knowing only its path.
1175 1563
1176=cut 1564=cut
1177 1565
1178sub find_by_path($) { 1566sub find_by_path($) {
1179 my ($path) = @_; 1567 my ($path) = @_;
1180 1568
1181 my ($match, $specificity); 1569 my ($match, $specificity);
1182 1570
1183 for my $region (list) { 1571 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) { 1572 if ($region->{match} && $path =~ $region->{match}) {
1185 ($match, $specificity) = ($region, $region->specificity) 1573 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity; 1574 if $region->specificity > $specificity;
1187 } 1575 }
1188 } 1576 }
1189 1577
1253 my ($self, $merge) = @_; 1641 my ($self, $merge) = @_;
1254 1642
1255 # we have to keep some variables in memory intact 1643 # we have to keep some variables in memory intact
1256 local $self->{path}; 1644 local $self->{path};
1257 local $self->{load_path}; 1645 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260 1646
1261 $self->SUPER::thawer_merge ($merge); 1647 $self->SUPER::thawer_merge ($merge);
1262} 1648}
1263 1649
1264sub normalise { 1650sub normalise {
1311 $self->init; # pass $1 etc. 1697 $self->init; # pass $1 etc.
1312 return $self; 1698 return $self;
1313 } 1699 }
1314 } 1700 }
1315 1701
1316 Carp::carp "unable to resolve path '$path' (base '$base')."; 1702 Carp::cluck "unable to resolve path '$path' (base '$base').";
1317 () 1703 ()
1318} 1704}
1319 1705
1320sub init { 1706sub init {
1321 my ($self) = @_; 1707 my ($self) = @_;
1336 1722
1337# the original (read-only) location 1723# the original (read-only) location
1338sub load_path { 1724sub load_path {
1339 my ($self) = @_; 1725 my ($self) = @_;
1340 1726
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1727 "$MAPDIR/$self->{path}.map"
1342} 1728}
1343 1729
1344# the temporary/swap location 1730# the temporary/swap location
1345sub save_path { 1731sub save_path {
1346 my ($self) = @_; 1732 my ($self) = @_;
1347 1733
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1734 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1735 "$TMPDIR/$path.map"
1350} 1736}
1351 1737
1352# the unique path, undef == no special unique path 1738# the unique path, undef == no special unique path
1353sub uniq_path { 1739sub uniq_path {
1354 my ($self) = @_; 1740 my ($self) = @_;
1355 1741
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1742 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1743 "$UNIQUEDIR/$path"
1358} 1744}
1359 1745
1360# and all this just because we cannot iterate over 1746# and all this just because we cannot iterate over
1361# all maps in C++... 1747# all maps in C++...
1362sub change_all_map_light { 1748sub change_all_map_light {
1364 1750
1365 $_->change_map_light ($change) 1751 $_->change_map_light ($change)
1366 for grep $_->outdoor, values %cf::MAP; 1752 for grep $_->outdoor, values %cf::MAP;
1367} 1753}
1368 1754
1755sub decay_objects {
1756 my ($self) = @_;
1757
1758 return if $self->{deny_reset};
1759
1760 $self->do_decay_objects;
1761}
1762
1369sub unlink_save { 1763sub unlink_save {
1370 my ($self) = @_; 1764 my ($self) = @_;
1371 1765
1372 utf8::encode (my $save = $self->save_path); 1766 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1767 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1376 1770
1377sub load_header_from($) { 1771sub load_header_from($) {
1378 my ($self, $path) = @_; 1772 my ($self, $path) = @_;
1379 1773
1380 utf8::encode $path; 1774 utf8::encode $path;
1381 #aio_open $path, O_RDONLY, 0 1775 my $f = new_from_file cf::object::thawer $path
1382 # or return;
1383
1384 $self->_load_header ($path)
1385 or return; 1776 or return;
1777
1778 $self->_load_header ($f)
1779 or return;
1780
1781 local $MAP_LOADING{$self->{path}} = $self;
1782 $f->resolve_delayed_derefs;
1386 1783
1387 $self->{load_path} = $path; 1784 $self->{load_path} = $path;
1388 1785
1389 1 1786 1
1390} 1787}
1429 $self->load_header_orig 1826 $self->load_header_orig
1430 or return; 1827 or return;
1431 $self->prepare_orig; 1828 $self->prepare_orig;
1432 } 1829 }
1433 1830
1831 $self->{deny_reset} = 1
1832 if $self->no_reset;
1833
1434 $self->default_region (cf::region::find_by_path $self->{path}) 1834 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region; 1835 unless $self->default_region;
1436 1836
1437 1 1837 1
1438} 1838}
1453 $map->{last_save} = $cf::RUNTIME; 1853 $map->{last_save} = $cf::RUNTIME;
1454 1854
1455 $map->load_header 1855 $map->load_header
1456 or return; 1856 or return;
1457 1857
1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1858 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously 1859 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait; 1860 #$cf::WAIT_FOR_TICK->wait;
1461 $map->reset; 1861 $map->reset;
1462 undef $guard; 1862 undef $guard;
1463 return find $path; 1863 return find $path;
1474 my ($self) = @_; 1874 my ($self) = @_;
1475 1875
1476 local $self->{deny_reset} = 1; # loading can take a long time 1876 local $self->{deny_reset} = 1; # loading can take a long time
1477 1877
1478 my $path = $self->{path}; 1878 my $path = $self->{path};
1879
1880 {
1881 my $guard1 = cf::lock_acquire "map_data:$path";
1479 my $guard = cf::lock_acquire "map_load:$path"; 1882 my $guard2 = cf::lock_acquire "map_load:$path";
1480 1883
1481 return if $self->in_memory != cf::MAP_SWAPPED; 1884 return if $self->in_memory != cf::MAP_SWAPPED;
1482 1885
1483 $self->in_memory (cf::MAP_LOADING); 1886 $self->in_memory (cf::MAP_LOADING);
1484 1887
1485 $self->alloc; 1888 $self->alloc;
1486 1889
1487 $self->pre_load; 1890 $self->pre_load;
1488 Coro::cede; 1891 cf::cede_to_tick;
1489 1892
1490 $self->_load_objects ($self->{load_path}, 1) 1893 my $f = new_from_file cf::object::thawer $self->{load_path};
1894 $f->skip_block;
1895 $self->_load_objects ($f)
1491 or return; 1896 or return;
1492 1897
1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494 if delete $self->{load_original}; 1899 if delete $self->{load_original};
1495 1900
1496 if (my $uniq = $self->uniq_path) { 1901 if (my $uniq = $self->uniq_path) {
1497 utf8::encode $uniq; 1902 utf8::encode $uniq;
1498 if (aio_open $uniq, O_RDONLY, 0) { 1903 unless (aio_stat $uniq) {
1904 if (my $f = new_from_file cf::object::thawer $uniq) {
1499 $self->clear_unique_items; 1905 $self->clear_unique_items;
1500 $self->_load_objects ($uniq, 0); 1906 $self->_load_objects ($f);
1907 $f->resolve_delayed_derefs;
1908 }
1501 } 1909 }
1502 } 1910 }
1503 1911
1504 Coro::cede; 1912 $f->resolve_delayed_derefs;
1913
1914 cf::cede_to_tick;
1505 # now do the right thing for maps 1915 # now do the right thing for maps
1506 $self->link_multipart_objects; 1916 $self->link_multipart_objects;
1507 Coro::cede;
1508
1509 unless ($self->{deny_activate}) {
1510 $self->decay_objects;
1511 $self->fix_auto_apply;
1512 $self->update_buttons;
1513 Coro::cede;
1514 $self->set_darkness_map;
1515 $self->difficulty ($self->estimate_difficulty) 1917 $self->difficulty ($self->estimate_difficulty)
1516 unless $self->difficulty; 1918 unless $self->difficulty;
1517 Coro::cede; 1919 cf::cede_to_tick;
1920
1921 unless ($self->{deny_activate}) {
1922 $self->decay_objects;
1923 $self->fix_auto_apply;
1924 $self->update_buttons;
1925 cf::cede_to_tick;
1926 $self->set_darkness_map;
1927 cf::cede_to_tick;
1518 $self->activate; 1928 $self->activate;
1519 Coro::cede; 1929 }
1930
1931 $self->{last_save} = $cf::RUNTIME;
1932 $self->last_access ($cf::RUNTIME);
1933
1934 $self->in_memory (cf::MAP_IN_MEMORY);
1520 } 1935 }
1521 1936
1522 $self->post_load; 1937 $self->post_load;
1523 Coro::cede;
1524
1525 $self->in_memory (cf::MAP_IN_MEMORY);
1526} 1938}
1527 1939
1528sub customise_for { 1940sub customise_for {
1529 my ($self, $ob) = @_; 1941 my ($self, $ob) = @_;
1530 1942
1531 return find "~" . $ob->name . "/" . $self->{path} 1943 return find "~" . $ob->name . "/" . $self->{path}
1532 if $self->per_player; 1944 if $self->per_player;
1533 1945
1946# return find "?party/" . $ob->name . "/" . $self->{path}
1947# if $self->per_party;
1948
1534 $self 1949 $self
1535} 1950}
1536 1951
1537# find and load all maps in the 3x3 area around a map 1952# find and load all maps in the 3x3 area around a map
1538sub load_diag { 1953sub load_neighbours {
1539 my ($map) = @_; 1954 my ($map) = @_;
1540 1955
1541 my @diag; # diagonal neighbours 1956 my @neigh; # diagonal neighbours
1542 1957
1543 for (0 .. 3) { 1958 for (0 .. 3) {
1544 my $neigh = $map->tile_path ($_) 1959 my $neigh = $map->tile_path ($_)
1545 or next; 1960 or next;
1546 $neigh = find $neigh, $map 1961 $neigh = find $neigh, $map
1547 or next; 1962 or next;
1548 $neigh->load; 1963 $neigh->load;
1549 1964
1965 push @neigh,
1550 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1966 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1551 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1967 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1552 } 1968 }
1553 1969
1554 for (@diag) { 1970 for (grep defined $_->[0], @neigh) {
1971 my ($path, $origin) = @$_;
1555 my $neigh = find @$_ 1972 my $neigh = find $path, $origin
1556 or next; 1973 or next;
1557 $neigh->load; 1974 $neigh->load;
1558 } 1975 }
1559} 1976}
1560 1977
1565} 1982}
1566 1983
1567sub do_load_sync { 1984sub do_load_sync {
1568 my ($map) = @_; 1985 my ($map) = @_;
1569 1986
1987 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1988 if $Coro::current == $Coro::main;
1989
1570 cf::sync_job { $map->load }; 1990 cf::sync_job { $map->load };
1571} 1991}
1572 1992
1573our %MAP_PREFETCH; 1993our %MAP_PREFETCH;
1574our $MAP_PREFETCHER = undef; 1994our $MAP_PREFETCHER = undef;
1575 1995
1576sub find_async { 1996sub find_async {
1577 my ($path, $origin) = @_; 1997 my ($path, $origin, $load) = @_;
1578 1998
1579 $path = normalise $path, $origin && $origin->{path}; 1999 $path = normalise $path, $origin && $origin->{path};
1580 2000
1581 if (my $map = $cf::MAP{$path}) { 2001 if (my $map = $cf::MAP{$path}) {
1582 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2002 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583 } 2003 }
1584 2004
1585 undef $MAP_PREFETCH{$path}; 2005 $MAP_PREFETCH{$path} |= $load;
2006
1586 $MAP_PREFETCHER ||= cf::async { 2007 $MAP_PREFETCHER ||= cf::async {
1587 while (%MAP_PREFETCH) { 2008 while (%MAP_PREFETCH) {
1588 for my $path (keys %MAP_PREFETCH) { 2009 while (my ($k, $v) = each %MAP_PREFETCH) {
1589 my $map = find $path 2010 if (my $map = find $k) {
1590 or next;
1591 $map->load; 2011 $map->load if $v;
2012 }
1592 2013
1593 delete $MAP_PREFETCH{$path}; 2014 delete $MAP_PREFETCH{$k};
1594 } 2015 }
1595 } 2016 }
1596 undef $MAP_PREFETCHER; 2017 undef $MAP_PREFETCHER;
1597 }; 2018 };
1598 $MAP_PREFETCHER->prio (6); 2019 $MAP_PREFETCHER->prio (6);
1601} 2022}
1602 2023
1603sub save { 2024sub save {
1604 my ($self) = @_; 2025 my ($self) = @_;
1605 2026
1606 my $lock = cf::lock_acquire "map_data:" . $self->path; 2027 my $lock = cf::lock_acquire "map_data:$self->{path}";
1607 2028
1608 $self->{last_save} = $cf::RUNTIME; 2029 $self->{last_save} = $cf::RUNTIME;
1609 2030
1610 return unless $self->dirty; 2031 return unless $self->dirty;
1611 2032
1634 my ($self) = @_; 2055 my ($self) = @_;
1635 2056
1636 # save first because save cedes 2057 # save first because save cedes
1637 $self->save; 2058 $self->save;
1638 2059
1639 my $lock = cf::lock_acquire "map_data:" . $self->path; 2060 my $lock = cf::lock_acquire "map_data:$self->{path}";
1640 2061
1641 return if $self->players; 2062 return if $self->players;
1642 return if $self->in_memory != cf::MAP_IN_MEMORY; 2063 return if $self->in_memory != cf::MAP_IN_MEMORY;
1643 return if $self->{deny_save}; 2064 return if $self->{deny_save};
1644 2065
1648 2069
1649sub reset_at { 2070sub reset_at {
1650 my ($self) = @_; 2071 my ($self) = @_;
1651 2072
1652 # TODO: safety, remove and allow resettable per-player maps 2073 # TODO: safety, remove and allow resettable per-player maps
1653 return 1e99 if $self->isa ("ext::map_per_player");#d#
1654 return 1e99 if $self->{deny_reset}; 2074 return 1e99 if $self->{deny_reset};
1655 2075
1656 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2076 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2077 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658 2078
1669 my ($self) = @_; 2089 my ($self) = @_;
1670 2090
1671 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2091 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2092
1673 return if $self->players; 2093 return if $self->players;
1674 return if $self->isa ("ext::map_per_player");#d#
1675 2094
1676 warn "resetting map ", $self->path;#d# 2095 warn "resetting map ", $self->path;
1677 2096
1678 $self->in_memory (cf::MAP_SWAPPED); 2097 $self->in_memory (cf::MAP_SWAPPED);
1679 2098
1680 # need to save uniques path 2099 # need to save uniques path
1681 unless ($self->{deny_save}) { 2100 unless ($self->{deny_save}) {
1698my $nuke_counter = "aaaa"; 2117my $nuke_counter = "aaaa";
1699 2118
1700sub nuke { 2119sub nuke {
1701 my ($self) = @_; 2120 my ($self) = @_;
1702 2121
2122 {
2123 my $lock = cf::lock_acquire "map_data:$self->{path}";
2124
1703 delete $cf::MAP{$self->path}; 2125 delete $cf::MAP{$self->path};
1704 2126
1705 $self->unlink_save; 2127 $self->unlink_save;
1706 2128
1707 bless $self, "cf::map"; 2129 bless $self, "cf::map";
1708 delete $self->{deny_reset}; 2130 delete $self->{deny_reset};
1709 $self->{deny_save} = 1; 2131 $self->{deny_save} = 1;
1710 $self->reset_timeout (1); 2132 $self->reset_timeout (1);
1711 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2133 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712 2134
1713 $cf::MAP{$self->path} = $self; 2135 $cf::MAP{$self->path} = $self;
2136 }
1714 2137
1715 $self->reset; # polite request, might not happen 2138 $self->reset; # polite request, might not happen
2139}
2140
2141=item $maps = cf::map::tmp_maps
2142
2143Returns an arrayref with all map paths of currently instantiated and saved
2144maps. May block.
2145
2146=cut
2147
2148sub tmp_maps() {
2149 [
2150 map {
2151 utf8::decode $_;
2152 /\.map$/
2153 ? normalise $_
2154 : ()
2155 } @{ aio_readdir $TMPDIR or [] }
2156 ]
2157}
2158
2159=item $maps = cf::map::random_maps
2160
2161Returns an arrayref with all map paths of currently instantiated and saved
2162random maps. May block.
2163
2164=cut
2165
2166sub random_maps() {
2167 [
2168 map {
2169 utf8::decode $_;
2170 /\.map$/
2171 ? normalise "?random/$_"
2172 : ()
2173 } @{ aio_readdir $RANDOMDIR or [] }
2174 ]
1716} 2175}
1717 2176
1718=item cf::map::unique_maps 2177=item cf::map::unique_maps
1719 2178
1720Returns an arrayref of paths of all shared maps that have 2179Returns an arrayref of paths of all shared maps that have
1721instantiated unique items. May block. 2180instantiated unique items. May block.
1722 2181
1723=cut 2182=cut
1724 2183
1725sub unique_maps() { 2184sub unique_maps() {
1726 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2185 [
1727 or return; 2186 map {
1728
1729 my @paths;
1730
1731 for (@$files) {
1732 utf8::decode $_; 2187 utf8::decode $_;
1733 next if /\.pst$/; 2188 /\.map$/
1734 next unless /^$PATH_SEP/o; 2189 ? normalise $_
1735 2190 : ()
1736 push @paths, cf::map::normalise $_; 2191 } @{ aio_readdir $UNIQUEDIR or [] }
1737 } 2192 ]
1738
1739 \@paths
1740} 2193}
1741 2194
1742package cf; 2195package cf;
1743 2196
1744=back 2197=back
1762 map { $_, inv_recursive_ $_->inv } @_ 2215 map { $_, inv_recursive_ $_->inv } @_
1763} 2216}
1764 2217
1765sub inv_recursive { 2218sub inv_recursive {
1766 inv_recursive_ inv $_[0] 2219 inv_recursive_ inv $_[0]
2220}
2221
2222=item $ref = $ob->ref
2223
2224creates and returns a persistent reference to an objetc that can be stored as a string.
2225
2226=item $ob = cf::object::deref ($refstring)
2227
2228returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229even if the object actually exists. May block.
2230
2231=cut
2232
2233sub deref {
2234 my ($ref) = @_;
2235
2236 # temporary compatibility#TODO#remove
2237 $ref =~ s{^<}{player/<};
2238
2239 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2240 my ($uuid, $name) = ($1, $2);
2241 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242 or return;
2243 $pl->ob->uuid eq $uuid
2244 or return;
2245
2246 $pl->ob
2247 } else {
2248 warn "$ref: cannot resolve object reference\n";
2249 undef
2250 }
1767} 2251}
1768 2252
1769package cf; 2253package cf;
1770 2254
1771=back 2255=back
1790 2274
1791 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2275 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792 2276
1793 if ($self->{record_replies}) { 2277 if ($self->{record_replies}) {
1794 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2278 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2279
1795 } else { 2280 } else {
2281 my $pl = $self->contr;
2282
2283 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2284 my $dialog = $pl->{npc_dialog};
2285 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286
2287 } else {
1796 $msg = $npc->name . " says: $msg" if $npc; 2288 $msg = $npc->name . " says: $msg" if $npc;
1797 $self->message ($msg, $flags); 2289 $self->message ($msg, $flags);
2290 }
1798 } 2291 }
2292}
2293
2294=item $object->send_msg ($channel, $msg, $color, [extra...])
2295
2296=cut
2297
2298sub cf::object::send_msg {
2299 my $pl = shift->contr
2300 or return;
2301 $pl->send_msg (@_);
1799} 2302}
1800 2303
1801=item $player_object->may ("access") 2304=item $player_object->may ("access")
1802 2305
1803Returns wether the given player is authorized to access resource "access" 2306Returns wether the given player is authorized to access resource "access"
1850 $self->deactivate_recursive; 2353 $self->deactivate_recursive;
1851 2354
1852 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2355 return if UNIVERSAL::isa $self->map, "ext::map_link";
1853 2356
1854 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2357 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855 if $self->map; 2358 if $self->map && $self->map->{path} ne "{link}";
1856 2359
1857 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2360 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1858} 2361}
1859 2362
1860sub cf::object::player::leave_link { 2363sub cf::object::player::leave_link {
1861 my ($self, $map, $x, $y) = @_; 2364 my ($self, $map, $x, $y) = @_;
2365
2366 return unless $self->contr->active;
1862 2367
1863 my $link_pos = delete $self->{_link_pos}; 2368 my $link_pos = delete $self->{_link_pos};
1864 2369
1865 unless ($map) { 2370 unless ($map) {
1866 # restore original map position 2371 # restore original map position
1880 # use -1 or undef as default coordinates, not 0, 0 2385 # use -1 or undef as default coordinates, not 0, 0
1881 ($x, $y) = ($map->enter_x, $map->enter_y) 2386 ($x, $y) = ($map->enter_x, $map->enter_y)
1882 if $x <=0 && $y <= 0; 2387 if $x <=0 && $y <= 0;
1883 2388
1884 $map->load; 2389 $map->load;
1885 $map->load_diag; 2390 $map->load_neighbours;
1886 2391
1887 return unless $self->contr->active; 2392 return unless $self->contr->active;
1888 $self->activate_recursive; 2393 $self->activate_recursive;
1889 2394
1890 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2395 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891 $self->enter_map ($map, $x, $y); 2396 $self->enter_map ($map, $x, $y);
1892} 2397}
1893 2398
1894cf::player->attach ( 2399=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895 on_logout => sub {
1896 my ($pl) = @_;
1897 2400
1898 # abort map switching before logout 2401Moves the player to the given map-path and coordinates by first freezing
1899 if ($pl->ob->{_link_pos}) { 2402her, loading and preparing them map, calling the provided $check callback
1900 cf::sync_job { 2403that has to return the map if sucecssful, and then unfreezes the player on
1901 $pl->ob->leave_link 2404the new (success) or old (failed) map position. In either case, $done will
1902 }; 2405be called at the end of this process.
1903 }
1904 },
1905 on_login => sub {
1906 my ($pl) = @_;
1907 2406
1908 # try to abort aborted map switching on player login :)
1909 # should happen only on crashes
1910 if ($pl->ob->{_link_pos}) {
1911 $pl->ob->enter_link;
1912 (async {
1913 $pl->ob->reply (undef,
1914 "There was an internal problem at your last logout, "
1915 . "the server will try to bring you to your intended destination in a second.",
1916 cf::NDI_RED);
1917 # we need this sleep as the login has a concurrent enter_exit running
1918 # and this sleep increases chances of the player not ending up in scorn
1919 Coro::Timer::sleep 1;
1920 $pl->ob->leave_link;
1921 })->prio (2);
1922 }
1923 },
1924);
1925
1926=item $player_object->goto ($path, $x, $y)
1927
1928=cut 2407=cut
2408
2409our $GOTOGEN;
1929 2410
1930sub cf::object::player::goto { 2411sub cf::object::player::goto {
1931 my ($self, $path, $x, $y) = @_; 2412 my ($self, $path, $x, $y, $check, $done) = @_;
2413
2414 # do generation counting so two concurrent goto's will be executed in-order
2415 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932 2416
1933 $self->enter_link; 2417 $self->enter_link;
1934 2418
1935 (async { 2419 (async {
1936 my $map = eval { 2420 my $map = eval {
1937 my $map = cf::map::find $path; 2421 my $map = cf::map::find $path;
2422
2423 if ($map) {
1938 $map = $map->customise_for ($self) if $map; 2424 $map = $map->customise_for ($self);
2425 $map = $check->($map) if $check && $map;
2426 } else {
2427 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2428 }
2429
1939 $map 2430 $map
2431 };
2432
2433 if ($@) {
2434 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2435 LOG llevError | logBacktrace, Carp::longmess $@;
1940 } or 2436 }
1941 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942 2437
2438 if ($gen == $self->{_goto_generation}) {
2439 delete $self->{_goto_generation};
1943 $self->leave_link ($map, $x, $y); 2440 $self->leave_link ($map, $x, $y);
2441 }
2442
2443 $done->() if $done;
1944 })->prio (1); 2444 })->prio (1);
1945} 2445}
1946 2446
1947=item $player_object->enter_exit ($exit_object) 2447=item $player_object->enter_exit ($exit_object)
1948 2448
1987 2487
1988 $rmp->{random_seed} ||= $exit->random_seed; 2488 $rmp->{random_seed} ||= $exit->random_seed;
1989 2489
1990 my $data = cf::to_json $rmp; 2490 my $data = cf::to_json $rmp;
1991 my $md5 = Digest::MD5::md5_hex $data; 2491 my $md5 = Digest::MD5::md5_hex $data;
1992 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2492 my $meta = "$RANDOMDIR/$md5.meta";
1993 2493
1994 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2494 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995 aio_write $fh, 0, (length $data), $data, 0; 2495 aio_write $fh, 0, (length $data), $data, 0;
1996 undef $fh; 2496 undef $fh;
1997 aio_rename "$meta~", $meta; 2497 aio_rename "$meta~", $meta;
2016 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2516 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017 my $hp = $exit->stats->hp; 2517 my $hp = $exit->stats->hp;
2018 my $sp = $exit->stats->sp; 2518 my $sp = $exit->stats->sp;
2019 2519
2020 $self->enter_link; 2520 $self->enter_link;
2521
2522 # if exit is damned, update players death & WoR home-position
2523 $self->contr->savebed ($slaying, $hp, $sp)
2524 if $exit->flag (FLAG_DAMNED);
2021 2525
2022 (async { 2526 (async {
2023 $self->deactivate_recursive; # just to be sure 2527 $self->deactivate_recursive; # just to be sure
2024 unless (eval { 2528 unless (eval {
2025 $self->goto ($slaying, $hp, $sp); 2529 $self->goto ($slaying, $hp, $sp);
2053 2557
2054 utf8::encode $text; 2558 utf8::encode $text;
2055 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2559 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056} 2560}
2057 2561
2562=item $client->send_msg ($channel, $msg, $color, [extra...])
2563
2564Send a drawinfo or msg packet to the client, formatting the msg for the
2565client if neccessary. C<$type> should be a string identifying the type of
2566the message, with C<log> being the default. If C<$color> is negative, suppress
2567the message unless the client supports the msg packet.
2568
2569=cut
2570
2571our %CHANNEL = (
2572 "c/identify" => {
2573 id => "identify",
2574 title => "Identify",
2575 reply => undef,
2576 tooltip => "Items recently identified",
2577 },
2578 "c/examine" => {
2579 id => "examine",
2580 title => "Examine",
2581 reply => undef,
2582 tooltip => "Signs and other items you examined",
2583 },
2584);
2585
2586sub cf::client::send_msg {
2587 my ($self, $channel, $msg, $color, @extra) = @_;
2588
2589 $msg = $self->pl->expand_cfpod ($msg);
2590
2591 $color &= cf::NDI_CLIENT_MASK; # just in case...
2592
2593 # check predefined channels, for the benefit of C
2594 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2595
2596 if (ref $channel) {
2597 # send meta info to client, if not yet sent
2598 unless (exists $self->{channel}{$channel->{id}}) {
2599 $self->{channel}{$channel->{id}} = $channel;
2600 $self->ext_msg (channel_info => $channel)
2601 if $self->can_msg;
2602 }
2603
2604 $channel = $channel->{id};
2605 }
2606
2607 return unless @extra || length $msg;
2608
2609 if ($self->can_msg) {
2610 # default colour, mask it out
2611 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612 if $color & cf::NDI_DEF;
2613
2614 $self->send_packet ("msg " . $self->{json_coder}->encode (
2615 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2616 } else {
2617 if ($color >= 0) {
2618 # replace some tags by gcfclient-compatible ones
2619 for ($msg) {
2620 1 while
2621 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626 }
2627
2628 $color &= cf::NDI_COLOR_MASK;
2629
2630 utf8::encode $msg;
2631
2632 if (0 && $msg =~ /\[/) {
2633 # COMMAND/INFO
2634 $self->send_packet ("drawextinfo $color 10 8 $msg")
2635 } else {
2636 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2637 $self->send_packet ("drawinfo $color $msg")
2638 }
2639 }
2640 }
2641}
2642
2058=item $client->ext_event ($type, %msg) 2643=item $client->ext_msg ($type, @msg)
2059 2644
2060Sends an exti event to the client. 2645Sends an ext event to the client.
2061 2646
2062=cut 2647=cut
2063 2648
2064sub cf::client::ext_event($$%) { 2649sub cf::client::ext_msg($$@) {
2065 my ($self, $type, %msg) = @_; 2650 my ($self, $type, @msg) = @_;
2066 2651
2652 if ($self->extcmd == 2) {
2653 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654 } elsif ($self->extcmd == 1) { # TODO: remove
2067 $msg{msgtype} = "event_$type"; 2655 push @msg, msgtype => "event_$type";
2068 $self->send_packet ("ext " . cf::to_json \%msg); 2656 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657 }
2658}
2659
2660=item $client->ext_reply ($msgid, @msg)
2661
2662Sends an ext reply to the client.
2663
2664=cut
2665
2666sub cf::client::ext_reply($$@) {
2667 my ($self, $id, @msg) = @_;
2668
2669 if ($self->extcmd == 2) {
2670 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671 } elsif ($self->extcmd == 1) {
2672 #TODO: version 1, remove
2673 unshift @msg, msgtype => "reply", msgid => $id;
2674 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675 }
2069} 2676}
2070 2677
2071=item $success = $client->query ($flags, "text", \&cb) 2678=item $success = $client->query ($flags, "text", \&cb)
2072 2679
2073Queues a query to the client, calling the given callback with 2680Queues a query to the client, calling the given callback with
2074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2681the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2682C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076 2683
2077Queries can fail, so check the return code. Or don't, as queries will become 2684Queries can fail, so check the return code. Or don't, as queries will
2078reliable at some point in the future. 2685become reliable at some point in the future.
2079 2686
2080=cut 2687=cut
2081 2688
2082sub cf::client::query { 2689sub cf::client::query {
2083 my ($self, $flags, $text, $cb) = @_; 2690 my ($self, $flags, $text, $cb) = @_;
2091 utf8::encode $text; 2698 utf8::encode $text;
2092 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2699 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093 2700
2094 $self->send_packet ($self->{query_queue}[0][0]) 2701 $self->send_packet ($self->{query_queue}[0][0])
2095 if @{ $self->{query_queue} } == 1; 2702 if @{ $self->{query_queue} } == 1;
2703
2704 1
2096} 2705}
2097 2706
2098cf::client->attach ( 2707cf::client->attach (
2708 on_connect => sub {
2709 my ($ns) = @_;
2710
2711 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2712 },
2099 on_reply => sub { 2713 on_reply => sub {
2100 my ($ns, $msg) = @_; 2714 my ($ns, $msg) = @_;
2101 2715
2102 # this weird shuffling is so that direct followup queries 2716 # this weird shuffling is so that direct followup queries
2103 # get handled first 2717 # get handled first
2115 } else { 2729 } else {
2116 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2730 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117 } 2731 }
2118 } 2732 }
2119 }, 2733 },
2734 on_exticmd => sub {
2735 my ($ns, $buf) = @_;
2736
2737 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2738
2739 if (ref $msg) {
2740 my ($type, $reply, @payload) =
2741 "ARRAY" eq ref $msg
2742 ? @$msg
2743 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2744
2745 my @reply;
2746
2747 if (my $cb = $EXTICMD{$type}) {
2748 @reply = $cb->($ns, @payload);
2749 }
2750
2751 $ns->ext_reply ($reply, @reply)
2752 if $reply;
2753
2754 } else {
2755 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2756 }
2757
2758 cf::override;
2759 },
2120); 2760);
2121 2761
2122=item $client->async (\&cb) 2762=item $client->async (\&cb)
2123 2763
2124Create a new coroutine, running the specified callback. The coroutine will 2764Create a new coroutine, running the specified callback. The coroutine will
2165our $safe = new Safe "safe"; 2805our $safe = new Safe "safe";
2166our $safe_hole = new Safe::Hole; 2806our $safe_hole = new Safe::Hole;
2167 2807
2168$SIG{FPE} = 'IGNORE'; 2808$SIG{FPE} = 'IGNORE';
2169 2809
2170$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2810$safe->permit_only (Opcode::opset qw(
2811 :base_core :base_mem :base_orig :base_math
2812 grepstart grepwhile mapstart mapwhile
2813 sort time
2814));
2171 2815
2172# here we export the classes and methods available to script code 2816# here we export the classes and methods available to script code
2173 2817
2174=pod 2818=pod
2175 2819
2176The following functions and methods are available within a safe environment: 2820The following functions and methods are available within a safe environment:
2177 2821
2178 cf::object contr pay_amount pay_player map 2822 cf::object
2823 contr pay_amount pay_player map x y force_find force_add
2824 insert remove name archname title slaying race decrease_ob_nr
2825
2179 cf::object::player player 2826 cf::object::player
2180 cf::player peaceful 2827 player
2181 cf::map trigger 2828
2829 cf::player
2830 peaceful
2831
2832 cf::map
2833 trigger
2182 2834
2183=cut 2835=cut
2184 2836
2185for ( 2837for (
2186 ["cf::object" => qw(contr pay_amount pay_player map)], 2838 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839 insert remove inv name archname title slaying race
2840 decrease_ob_nr)],
2187 ["cf::object::player" => qw(player)], 2841 ["cf::object::player" => qw(player)],
2188 ["cf::player" => qw(peaceful)], 2842 ["cf::player" => qw(peaceful)],
2189 ["cf::map" => qw(trigger)], 2843 ["cf::map" => qw(trigger)],
2190) { 2844) {
2191 no strict 'refs'; 2845 no strict 'refs';
2262=back 2916=back
2263 2917
2264=cut 2918=cut
2265 2919
2266############################################################################# 2920#############################################################################
2267
2268=head2 EXTENSION DATABASE SUPPORT
2269
2270Crossfire maintains a very simple database for extension use. It can
2271currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272convert to/from binary).
2273
2274The parameter C<$family> should best start with the name of the extension
2275using it, it should be unique.
2276
2277=over 4
2278
2279=item $value = cf::db_get $family => $key
2280
2281Returns a single value from the database.
2282
2283=item cf::db_put $family => $key => $value
2284
2285Stores the given C<$value> in the family.
2286
2287=cut
2288
2289our $DB;
2290
2291sub db_init {
2292 unless ($DB) {
2293 $DB = BDB::db_create $DB_ENV;
2294
2295 cf::sync_job {
2296 eval {
2297 $DB->set_flags (BDB::CHKSUM);
2298
2299 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301 cf::cleanup "db_open(db): $!" if $!;
2302 };
2303 cf::cleanup "db_open(db): $@" if $@;
2304 };
2305 }
2306}
2307
2308sub db_get($$) {
2309 my $key = "$_[0]/$_[1]";
2310
2311 cf::sync_job {
2312 BDB::db_get $DB, undef, $key, my $data;
2313
2314 $! ? ()
2315 : $data
2316 }
2317}
2318
2319sub db_put($$$) {
2320 BDB::dbreq_pri 4;
2321 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322}
2323
2324=item cf::cache $id => [$paths...], $processversion => $process
2325
2326Generic caching function that returns the value of the resource $id,
2327caching and regenerating as required.
2328
2329This function can block.
2330
2331=cut
2332
2333sub cache {
2334 my ($id, $src, $processversion, $process) = @_;
2335
2336 my $meta =
2337 join "\x00",
2338 $processversion,
2339 map {
2340 aio_stat $_
2341 and Carp::croak "$_: $!";
2342
2343 ($_, (stat _)[7,9])
2344 } @$src;
2345
2346 my $dbmeta = db_get cache => "$id/meta";
2347 if ($dbmeta ne $meta) {
2348 # changed, we may need to process
2349
2350 my @data;
2351 my $md5;
2352
2353 for (0 .. $#$src) {
2354 0 <= aio_load $src->[$_], $data[$_]
2355 or Carp::croak "$src->[$_]: $!";
2356 }
2357
2358 # if processing is expensive, check
2359 # checksum first
2360 if (1) {
2361 $md5 =
2362 join "\x00",
2363 $processversion,
2364 map {
2365 Coro::cede;
2366 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2367 } 0.. $#$src;
2368
2369
2370 my $dbmd5 = db_get cache => "$id/md5";
2371 if ($dbmd5 eq $md5) {
2372 db_put cache => "$id/meta", $meta;
2373
2374 return db_get cache => "$id/data";
2375 }
2376 }
2377
2378 my $data = $process->(\@data);
2379
2380 db_put cache => "$id/data", $data;
2381 db_put cache => "$id/md5" , $md5;
2382 db_put cache => "$id/meta", $meta;
2383
2384 return $data;
2385 }
2386
2387 db_get cache => "$id/data"
2388}
2389
2390=item fork_call { }, $args
2391
2392Executes the given code block with the given arguments in a seperate
2393process, returning the results. Everything must be serialisable with
2394Coro::Storable. May, of course, block. Note that the executed sub may
2395never block itself or use any form of Event handling.
2396
2397=cut
2398
2399sub fork_call(&@) {
2400 my ($cb, @args) = @_;
2401
2402# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403# or die "socketpair: $!";
2404 pipe my $fh1, my $fh2
2405 or die "pipe: $!";
2406
2407 if (my $pid = fork) {
2408 close $fh2;
2409
2410 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411 $res = Coro::Storable::thaw $res;
2412
2413 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415 die $$res unless "ARRAY" eq ref $res;
2416
2417 return wantarray ? @$res : $res->[-1];
2418 } else {
2419 local $SIG{__WARN__};
2420 eval {
2421 local $SIG{__DIE__};
2422 close $fh1;
2423
2424 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 };
2427
2428 warn $@ if $@;
2429 _exit 0;
2430 }
2431}
2432
2433
2434
2435#############################################################################
2436# the server's init and main functions 2921# the server's init and main functions
2437 2922
2438sub load_facedata($) { 2923sub load_facedata($) {
2439 my ($path) = @_; 2924 my ($path) = @_;
2925
2926 # HACK to clear player env face cache, we need some signal framework
2927 # for this (global event?)
2928 %ext::player_env::MUSIC_FACE_CACHE = ();
2929
2930 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440 2931
2441 warn "loading facedata from $path\n"; 2932 warn "loading facedata from $path\n";
2442 2933
2443 my $facedata; 2934 my $facedata;
2444 0 < aio_load $path, $facedata 2935 0 < aio_load $path, $facedata
2447 $facedata = Coro::Storable::thaw $facedata; 2938 $facedata = Coro::Storable::thaw $facedata;
2448 2939
2449 $facedata->{version} == 2 2940 $facedata->{version} == 2
2450 or cf::cleanup "$path: version mismatch, cannot proceed."; 2941 or cf::cleanup "$path: version mismatch, cannot proceed.";
2451 2942
2943 # patch in the exptable
2944 $facedata->{resource}{"res/exp_table"} = {
2945 type => FT_RSRC,
2946 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2947 };
2948 cf::cede_to_tick;
2949
2452 { 2950 {
2453 my $faces = $facedata->{faceinfo}; 2951 my $faces = $facedata->{faceinfo};
2454 2952
2455 while (my ($face, $info) = each %$faces) { 2953 while (my ($face, $info) = each %$faces) {
2456 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2954 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2955 cf::face::set_visibility $idx, $info->{visibility};
2956 cf::face::set_magicmap $idx, $info->{magicmap};
2458 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2957 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2958 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460 Coro::cede; 2959
2960 cf::cede_to_tick;
2461 } 2961 }
2462 2962
2463 while (my ($face, $info) = each %$faces) { 2963 while (my ($face, $info) = each %$faces) {
2464 next unless $info->{smooth}; 2964 next unless $info->{smooth};
2465 my $idx = cf::face::find $face 2965 my $idx = cf::face::find $face
2466 or next; 2966 or next;
2467 if (my $smooth = cf::face::find $info->{smooth}) { 2967 if (my $smooth = cf::face::find $info->{smooth}) {
2968 cf::face::set_smooth $idx, $smooth;
2468 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2969 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469 } else { 2970 } else {
2470 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2971 warn "smooth face '$info->{smooth}' not found for face '$face'";
2471 } 2972 }
2472 Coro::cede; 2973
2974 cf::cede_to_tick;
2473 } 2975 }
2474 } 2976 }
2475 2977
2476 { 2978 {
2477 my $anims = $facedata->{animinfo}; 2979 my $anims = $facedata->{animinfo};
2478 2980
2479 while (my ($anim, $info) = each %$anims) { 2981 while (my ($anim, $info) = each %$anims) {
2480 cf::anim::set $anim, $info->{frames}, $info->{facings}; 2982 cf::anim::set $anim, $info->{frames}, $info->{facings};
2481 Coro::cede; 2983 cf::cede_to_tick;
2482 } 2984 }
2483 2985
2484 cf::anim::invalidate_all; # d'oh 2986 cf::anim::invalidate_all; # d'oh
2485 } 2987 }
2486 2988
2989 {
2990 # TODO: for gcfclient pleasure, we should give resources
2991 # that gcfclient doesn't grok a >10000 face index.
2992 my $res = $facedata->{resource};
2993
2994 my $soundconf = delete $res->{"res/sound.conf"};
2995
2996 while (my ($name, $info) = each %$res) {
2997 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998 my $data;
2999
3000 if ($info->{type} & 1) {
3001 # prepend meta info
3002
3003 my $meta = $enc->encode ({
3004 name => $name,
3005 %{ $info->{meta} || {} },
3006 });
3007
3008 $data = pack "(w/a*)*", $meta, $info->{data};
3009 } else {
3010 $data = $info->{data};
3011 }
3012
3013 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014 cf::face::set_type $idx, $info->{type};
3015
3016 cf::cede_to_tick;
3017 }
3018
3019 if ($soundconf) {
3020 $soundconf = $enc->decode (delete $soundconf->{data});
3021
3022 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023 my $sound = $soundconf->{compat}[$_]
3024 or next;
3025
3026 my $face = cf::face::find "sound/$sound->[1]";
3027 cf::sound::set $sound->[0] => $face;
3028 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029 }
3030
3031 while (my ($k, $v) = each %{$soundconf->{event}}) {
3032 my $face = cf::face::find "sound/$v";
3033 cf::sound::set $k => $face;
3034 }
3035 }
3036 }
3037
2487 1 3038 1
2488} 3039}
2489 3040
3041register_exticmd fx_want => sub {
3042 my ($ns, $want) = @_;
3043
3044 while (my ($k, $v) = each %$want) {
3045 $ns->fx_want ($k, $v);
3046 }
3047};
3048
3049sub reload_regions {
3050 # HACK to clear player env face cache, we need some signal framework
3051 # for this (global event?)
3052 %ext::player_env::MUSIC_FACE_CACHE = ();
3053
3054 load_resource_file "$MAPDIR/regions"
3055 or die "unable to load regions file\n";
3056
3057 for (cf::region::list) {
3058 $_->{match} = qr/$_->{match}/
3059 if exists $_->{match};
3060 }
3061}
3062
2490sub reload_facedata { 3063sub reload_facedata {
2491 load_facedata sprintf "%s/facedata", cf::datadir 3064 load_facedata "$DATADIR/facedata"
2492 or die "unable to load facedata\n"; 3065 or die "unable to load facedata\n";
2493} 3066}
2494 3067
2495sub reload_regions {
2496 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497 or die "unable to load regions file\n";
2498}
2499
2500sub reload_archetypes { 3068sub reload_archetypes {
2501 load_resource_file sprintf "%s/archetypes", cf::datadir 3069 load_resource_file "$DATADIR/archetypes"
2502 or die "unable to load archetypes\n"; 3070 or die "unable to load archetypes\n";
3071 #d# NEED to laod twice to resolve forward references
3072 # this really needs to be done in an extra post-pass
3073 # (which needs to be synchronous, so solve it differently)
3074 load_resource_file "$DATADIR/archetypes"
3075 or die "unable to load archetypes\n";
2503} 3076}
2504 3077
2505sub reload_treasures { 3078sub reload_treasures {
2506 load_resource_file sprintf "%s/treasures", cf::datadir 3079 load_resource_file "$DATADIR/treasures"
2507 or die "unable to load treasurelists\n"; 3080 or die "unable to load treasurelists\n";
2508} 3081}
2509 3082
2510sub reload_resources { 3083sub reload_resources {
2511 warn "reloading resource files...\n"; 3084 warn "reloading resource files...\n";
2512 3085
2513 reload_regions; 3086 reload_regions;
2514 reload_facedata; 3087 reload_facedata;
3088 #reload_archetypes;#d#
2515 reload_archetypes; 3089 reload_archetypes;
2516 reload_treasures; 3090 reload_treasures;
2517 3091
2518 warn "finished reloading resource files\n"; 3092 warn "finished reloading resource files\n";
2519} 3093}
2520 3094
2521sub init { 3095sub init {
2522 reload_resources; 3096 reload_resources;
2523} 3097}
2524 3098
2525sub cfg_load { 3099sub reload_config {
2526 open my $fh, "<:utf8", cf::confdir . "/config" 3100 open my $fh, "<:utf8", "$CONFDIR/config"
2527 or return; 3101 or return;
2528 3102
2529 local $/; 3103 local $/;
2530 *CFG = YAML::Syck::Load <$fh>; 3104 *CFG = YAML::Syck::Load <$fh>;
2531 3105
2550 (async { 3124 (async {
2551 Event::one_event; 3125 Event::one_event;
2552 })->prio (Coro::PRIO_MAX); 3126 })->prio (Coro::PRIO_MAX);
2553 }; 3127 };
2554 3128
2555 cfg_load; 3129 reload_config;
2556 db_init; 3130 db_init;
2557 load_extensions; 3131 load_extensions;
2558 3132
2559 $TICK_WATCHER->start; 3133 $TICK_WATCHER->start;
2560 Event::loop; 3134 Event::loop;
2576 }, 3150 },
2577 ); 3151 );
2578 } 3152 }
2579} 3153}
2580 3154
3155sub write_runtime {
3156 my $runtime = "$LOCALDIR/runtime";
3157
3158 # first touch the runtime file to show we are still running:
3159 # the fsync below can take a very very long time.
3160
3161 IO::AIO::aio_utime $runtime, undef, undef;
3162
3163 my $guard = cf::lock_acquire "write_runtime";
3164
3165 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3166 or return;
3167
3168 my $value = $cf::RUNTIME + 90 + 10;
3169 # 10 is the runtime save interval, for a monotonic clock
3170 # 60 allows for the watchdog to kill the server.
3171
3172 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3173 and return;
3174
3175 # always fsync - this file is important
3176 aio_fsync $fh
3177 and return;
3178
3179 # touch it again to show we are up-to-date
3180 aio_utime $fh, undef, undef;
3181
3182 close $fh
3183 or return;
3184
3185 aio_rename "$runtime~", $runtime
3186 and return;
3187
3188 warn "runtime file written.\n";
3189
3190 1
3191}
3192
2581sub emergency_save() { 3193sub emergency_save() {
2582 my $freeze_guard = cf::freeze_mainloop; 3194 my $freeze_guard = cf::freeze_mainloop;
2583 3195
2584 warn "enter emergency perl save\n"; 3196 warn "enter emergency perl save\n";
2585 3197
2660 %EXT_CORO = (); 3272 %EXT_CORO = ();
2661 3273
2662 warn "removing commands"; 3274 warn "removing commands";
2663 %COMMAND = (); 3275 %COMMAND = ();
2664 3276
2665 warn "removing ext commands"; 3277 warn "removing ext/exti commands";
2666 %EXTCMD = (); 3278 %EXTCMD = ();
3279 %EXTICMD = ();
2667 3280
2668 warn "unloading/nuking all extensions"; 3281 warn "unloading/nuking all extensions";
2669 for my $pkg (@EXTS) { 3282 for my $pkg (@EXTS) {
2670 warn "... unloading $pkg"; 3283 warn "... unloading $pkg";
2671 3284
2701 Symbol::delete_package "safe::$_" 3314 Symbol::delete_package "safe::$_"
2702 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3315 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703 3316
2704 warn "unloading cf.pm \"a bit\""; 3317 warn "unloading cf.pm \"a bit\"";
2705 delete $INC{"cf.pm"}; 3318 delete $INC{"cf.pm"};
3319 delete $INC{"cf/pod.pm"};
2706 3320
2707 # don't, removes xs symbols, too, 3321 # don't, removes xs symbols, too,
2708 # and global variables created in xs 3322 # and global variables created in xs
2709 #Symbol::delete_package __PACKAGE__; 3323 #Symbol::delete_package __PACKAGE__;
2710 3324
2713 warn "reloading cf.pm"; 3327 warn "reloading cf.pm";
2714 require cf; 3328 require cf;
2715 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3329 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716 3330
2717 warn "loading config and database again"; 3331 warn "loading config and database again";
2718 cf::cfg_load; 3332 cf::reload_config;
2719 3333
2720 warn "loading extensions"; 3334 warn "loading extensions";
2721 cf::load_extensions; 3335 cf::load_extensions;
2722 3336
2723 warn "reattaching attachments to objects/players"; 3337 warn "reattaching attachments to objects/players";
2788 my $signal = new Coro::Signal; 3402 my $signal = new Coro::Signal;
2789 push @WAIT_FOR_TICK_BEGIN, $signal; 3403 push @WAIT_FOR_TICK_BEGIN, $signal;
2790 $signal->wait; 3404 $signal->wait;
2791} 3405}
2792 3406
3407 my $min = 1e6;#d#
3408 my $avg = 10;
2793$TICK_WATCHER = Event->timer ( 3409$TICK_WATCHER = Event->timer (
2794 reentrant => 0, 3410 reentrant => 0,
2795 parked => 1, 3411 parked => 1,
2796 prio => 0, 3412 prio => 0,
2797 at => $NEXT_TICK || $TICK, 3413 at => $NEXT_TICK || $TICK,
2801 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3417 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802 unless ++$bug_warning > 10; 3418 unless ++$bug_warning > 10;
2803 return; 3419 return;
2804 } 3420 }
2805 3421
2806 $NOW = Event::time; 3422 $NOW = $tick_start = Event::time;
2807 3423
2808 cf::server_tick; # one server iteration 3424 cf::server_tick; # one server iteration
3425
3426 0 && sync_job {#d#
3427 for(1..10) {
3428 my $t = Event::time;
3429 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3430 or die;
3431
3432 $map->width (50);
3433 $map->height (50);
3434 $map->alloc;
3435 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436 my $t = Event::time - $t;
3437
3438 #next unless $t < 0.0013;#d#
3439 if ($t < $min) {
3440 $min = $t;
3441 }
3442 $avg = $avg * 0.99 + $t * 0.01;
3443 }
3444 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445 exit 0;
3446 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447 };
2809 3448
2810 $RUNTIME += $TICK; 3449 $RUNTIME += $TICK;
2811 $NEXT_TICK += $TICK; 3450 $NEXT_TICK += $TICK;
2812 3451
2813 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3452 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2819 } 3458 }
2820 3459
2821# my $AFTER = Event::time; 3460# my $AFTER = Event::time;
2822# warn $AFTER - $NOW;#d# 3461# warn $AFTER - $NOW;#d#
2823 3462
3463 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464 $sig->send;
3465 }
3466 while (my $sig = shift @WAIT_FOR_TICK) {
3467 $sig->send;
3468 }
3469
3470 $NOW = Event::time;
3471
2824 # if we are delayed by four ticks or more, skip them all 3472 # if we are delayed by four ticks or more, skip them all
2825 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3473 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826 3474
2827 $TICK_WATCHER->at ($NEXT_TICK); 3475 $TICK_WATCHER->at ($NEXT_TICK);
2828 $TICK_WATCHER->start; 3476 $TICK_WATCHER->start;
2829 3477
2830 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3478 $LOAD = ($NOW - $tick_start) / $TICK;
2831 $sig->send; 3479 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832 }
2833 while (my $sig = shift @WAIT_FOR_TICK) {
2834 $sig->send;
2835 }
2836 3480
2837 _post_tick; 3481 _post_tick;
3482
3483
2838 }, 3484 },
2839); 3485);
2840 3486
2841{ 3487{
2842 BDB::max_poll_time $TICK * 0.1; 3488 BDB::max_poll_time $TICK * 0.1;
2870 3516
2871 cf::sync_job { 3517 cf::sync_job {
2872 eval { 3518 eval {
2873 BDB::db_env_open 3519 BDB::db_env_open
2874 $DB_ENV, 3520 $DB_ENV,
2875 $BDB_ENV_DIR, 3521 $BDBDIR,
2876 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3522 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3523 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878 0666; 3524 0666;
2879 3525
2880 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3526 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881 3527
2882 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3528 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883 $DB_ENV->set_lk_detect; 3529 $DB_ENV->set_lk_detect;
2884 }; 3530 };
2885 3531
2901 prio => 6, 3547 prio => 6,
2902 cb => \&IO::AIO::poll_cb, 3548 cb => \&IO::AIO::poll_cb,
2903 ); 3549 );
2904} 3550}
2905 3551
3552my $_log_backtrace;
3553
3554sub _log_backtrace {
3555 my ($msg, @addr) = @_;
3556
3557 $msg =~ s/\n//;
3558
3559 # limit the # of concurrent backtraces
3560 if ($_log_backtrace < 2) {
3561 ++$_log_backtrace;
3562 async {
3563 my @bt = fork_call {
3564 @addr = map { sprintf "%x", $_ } @addr;
3565 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567 or die "addr2line: $!";
3568
3569 my @funcs;
3570 my @res = <$fh>;
3571 chomp for @res;
3572 while (@res) {
3573 my ($func, $line) = splice @res, 0, 2, ();
3574 push @funcs, "[$func] $line";
3575 }
3576
3577 @funcs
3578 };
3579
3580 LOG llevInfo, "[ABT] $msg\n";
3581 LOG llevInfo, "[ABT] $_\n" for @bt;
3582 --$_log_backtrace;
3583 };
3584 } else {
3585 LOG llevInfo, "[ABT] $msg\n";
3586 LOG llevInfo, "[ABT] [suppressed]\n";
3587 }
3588}
3589
2906# load additional modules 3590# load additional modules
2907use cf::pod; 3591use cf::pod;
2908 3592
2909END { cf::emergency_save } 3593END { cf::emergency_save }
2910 3594

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