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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.392 by root, Fri Oct 26 04:44:54 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use 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
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
325		415
326	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
329	fast or be very important.	419	fast or be very important.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
342	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	435	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
345		437
346	my $busy = 1;	438	my $busy = 1;
347	my @res;	439	my @res;
348		440
349	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	443	@res = eval { $job->() };
351	warn $@ if $@;	444	warn $@ if $@;
352	undef $busy;	445	undef $busy;
353	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
354		447
355	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
356	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
357	}	454	}
358		455
359	$time = Event::time - $time;	456	$time = Event::time - $time;
360		457
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
389	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
390		487
391	$coro	488	$coro
392	}	489	}
393		490
394	sub write_runtime {	491	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		492
397	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
399		497
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	498	=cut
401	utime undef, undef, $fh;	499
		500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
		502
		503	# we seemingly have to make a local copy of the whole thing,
		504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
		506
		507	my @res = Coro::Util::fork_eval {
		508	reset_signals;
		509	&$cb
		510	}, @args;
		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
402	}	542	};
		543	cf::cleanup "db_open(db): $@" if $@;
403		544
404	my $guard = cf::lock_acquire "write_runtime";	545	$db
		546	}
405		547
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	our $DB;
407	or return;
408		549
409	my $value = $cf::RUNTIME + 90 + 10;	550	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	551	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	552	$DB ||= db_table "db";
		553	};
		554	}
412		555
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	556	sub db_get($$) {
414	and return;	557	my $key = "$_[0]/$_[1]";
415		558
416	# always fsync - this file is important	559	cf::sync_job {
417	aio_fsync $fh	560	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		561
420	# touch it again to show we are up-to-date	562	$! ? ()
421	utime undef, undef, $fh;	563	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
432	}	640	}
433		641
434	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
435		643
436	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
456		664
457	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	667	Crossfire TRT).
460		668
461	=over 4	669	=over 4
462		670
463	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
464		672
…		…
666	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
667	}	875	}
668		876
669	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
670	} else {	878	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	880	}
673		881
674	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
675	}	883	}
676		884
…		…
716	";	924	";
717	die if $@;	925	die if $@;
718	}	926	}
719		927
720	our $override;	928	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		930
723	sub override {	931	sub override {
724	$override = 1;	932	$override = 1;
725	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
726	}	934	}
727		935
728	sub do_invoke {	936	sub do_invoke {
729	my $event = shift;	937	my $event = shift;
730	my $callbacks = shift;	938	my $callbacks = shift;
731		939
732	@invoke_results = ();	940	@INVOKE_RESULTS = ();
733		941
734	local $override;	942	local $override;
735		943
736	for (@$callbacks) {	944	for (@$callbacks) {
737	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
754		962
755	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
756		964
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		968
761	=back	969	=back
762		970
763	=cut	971	=cut
764		972
765	#############################################################################	973	#############################################################################
766	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
767		1017
768	sub reattach {	1018	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1020	my ($obj) = @_;
771		1021
…		…
818	sub object_freezer_save {	1068	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
820		1070
821	sync_job {	1071	sync_job {
822	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
825		1076
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1081	close $fh;
831		1082
832	if (@$objs) {	1083	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1089	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
840	}	1091	}
…		…
848	}	1099	}
849	} else {	1100	} else {
850	aio_unlink $filename;	1101	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
852	}	1103	}
853	}	1104	};
854	}	1105	}
855		1106
856	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
858		1109
…		…
870	or return;	1121	or return;
871		1122
872	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
874	or return;	1125	or return;
		1126
875	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
876	}	1129	}
877		1130
		1131	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
880	return ($data, $av);	1135	($data, $av)
881	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
882		1143
883	#############################################################################	1144	#############################################################################
884	# command handling &c	1145	# command handling &c
885		1146
886	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1161	}
901		1162
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1164
904	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
905		1170
906	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
907	called.	1172	called.
908		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
909	=cut	1185	=cut
910		1186
911	sub register_extcmd {	1187	sub register_extcmd {
912	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
913		1189
914	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
915	}	1197	}
916		1198
917	cf::player->attach (	1199	cf::player->attach (
918	on_command => sub {	1200	on_command => sub {
919	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1210	cf::override;
929	},	1211	},
930	on_extcmd => sub {	1212	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
932		1214
933	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1216
935	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
941	} else {	1232	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1234	}
944		1235
945	cf::override;	1236	cf::override;
946	},	1237	},
947	);	1238	);
948		1239
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
984	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1245	next unless -r $path;
986	eval {	1246
987	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
988	1	1304	}
989	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
990	}	1310	};
991	}	1311	}
992		1312
993	#############################################################################	1313	#############################################################################
994		1314
		1315	=back
		1316
995	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
996		1318
997	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
998		1320
999	=cut	1321	=cut
…		…
1003	use Coro::AIO;	1325	use Coro::AIO;
1004		1326
1005	=head3 cf::player	1327	=head3 cf::player
1006		1328
1007	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1008		1344
1009	=item cf::player::find $login	1345	=item cf::player::find $login
1010		1346
1011	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1012		1348
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1388
1053	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1056	}	1397	}
1057	}	1398	}
1058	}	1399	}
1059		1400
…		…
1069		1410
1070	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1072		1413
1073	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1074	Coro::cede;	1415	cf::cede_to_tick;
1075	}	1416	}
1076		1417
1077	sub new($) {	1418	sub new($) {
1078	my ($login) = @_;	1419	my ($login) = @_;
1079		1420
…		…
1083	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1084		1425
1085	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1086		1427
1087	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1088	}	1439	}
1089		1440
1090	=item $pl->quit_character	1441	=item $pl->quit_character
1091		1442
1092	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1498	or return [];
1148		1499
1149	my @logins;	1500	my @logins;
1150		1501
1151	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1155		1511
1156	utf8::decode $login;	1512	utf8::decode $login;
1157	push @logins, $login;	1513	push @logins, $login;
1158	}	1514	}
1159		1515
…		…
1186	}	1542	}
1187		1543
1188	\@paths	1544	\@paths
1189	}	1545	}
1190		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1191	=item $player->ext_reply ($msgid, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1192		1638
1193	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1194		1640
1195	=cut	1641	=cut
1196		1642
1197	sub ext_reply($$%) {	1643	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1199		1645
1200	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1647	}
1204		1648
1205	=item $player->ext_event ($type, %msg)	1649	=item $player->ext_msg ($type, @msg)
1206		1650
1207	Sends an ext event to the client.	1651	Sends an ext event to the client.
1208		1652
1209	=cut	1653	=cut
1210		1654
1211	sub ext_event($$%) {	1655	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1656	my ($self, $type, @msg) = @_;
1213		1657
1214	$self->ns->ext_event ($type, %msg);	1658	$self->ns->ext_msg ($type, @msg);
1215	}	1659	}
1216		1660
1217	=head3 cf::region	1661	=head3 cf::region
1218		1662
1219	=over 4	1663	=over 4
…		…
1222		1666
1223	package cf::region;	1667	package cf::region;
1224		1668
1225	=item cf::region::find_by_path $path	1669	=item cf::region::find_by_path $path
1226		1670
1227	Tries to decuce the probable region for a map knowing only its path.	1671	Tries to decuce the likely region for a map knowing only its path.
1228		1672
1229	=cut	1673	=cut
1230		1674
1231	sub find_by_path($) {	1675	sub find_by_path($) {
1232	my ($path) = @_;	1676	my ($path) = @_;
1233		1677
1234	my ($match, $specificity);	1678	my ($match, $specificity);
1235		1679
1236	for my $region (list) {	1680	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1681	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1682	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1683	if $region->specificity > $specificity;
1240	}	1684	}
1241	}	1685	}
1242		1686
…		…
1306	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1307		1751
1308	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1309	local $self->{path};	1753	local $self->{path};
1310	local $self->{load_path};	1754	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1755
1314	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1315	}	1757	}
1316		1758
1317	sub normalise {	1759	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1365	return $self;	1807	return $self;
1366	}	1808	}
1367	}	1809	}
1368		1810
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1812	()
1371	}	1813	}
1372		1814
1373	sub init {	1815	sub init {
1374	my ($self) = @_;	1816	my ($self) = @_;
…		…
1417		1859
1418	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1420	}	1862	}
1421		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1422	sub unlink_save {	1872	sub unlink_save {
1423	my ($self) = @_;	1873	my ($self) = @_;
1424		1874
1425	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1879
1430	sub load_header_from($) {	1880	sub load_header_from($) {
1431	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1432		1882
1433	utf8::encode $path;	1883	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1439		1892
1440	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1441		1894
1442	1	1895	1
1443	}	1896	}
…		…
1482	$self->load_header_orig	1935	$self->load_header_orig
1483	or return;	1936	or return;
1484	$self->prepare_orig;	1937	$self->prepare_orig;
1485	}	1938	}
1486		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1487	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1944	unless $self->default_region;
1489		1945
1490	1	1946	1
1491	}	1947	}
…		…
1494	sub find {	1950	sub find {
1495	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1496		1952
1497	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1498		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1500		1957
1501	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1503	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1504	or return;	1963	or return;
1505		1964
1506	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1507		1966
1508	$map->load_header	1967	$map->load_header
1509	or return;	1968	or return;
1510		1969
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1514	$map->reset;	1975	$map->reset;
1515	undef $guard;
1516	return find $path;	1976	return find $path;
1517	}	1977	}
1518		1978
1519	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1520	}	1980	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1530		1990
1531	my $path = $self->{path};	1991	my $path = $self->{path};
1532		1992
1533	{	1993	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1535		1995
		1996	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1998
1538	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1539		2000
1540	$self->alloc;	2001	$self->alloc;
1541		2002
1542	$self->pre_load;	2003	$self->pre_load;
1543	Coro::cede;	2004	cf::cede_to_tick;
1544		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1546	or return;	2009	or return;
1547		2010
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2012	if delete $self->{load_original};
1550		2013
1551	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2015	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2018	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1556	}	2022	}
1557	}	2023	}
1558		2024
1559	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1560	# now do the right thing for maps	2028	# now do the right thing for maps
1561	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2031	unless $self->difficulty;
1564	Coro::cede;	2032	cf::cede_to_tick;
1565		2033
1566	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2035	$self->decay_objects;
1568	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1569	$self->update_buttons;	2037	$self->update_buttons;
1570	Coro::cede;	2038	cf::cede_to_tick;
1571	$self->set_darkness_map;	2039	$self->set_darkness_map;
1572	Coro::cede;	2040	cf::cede_to_tick;
1573	$self->activate;	2041	$self->activate;
1574	}	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
1575		2046
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2048	}
1578		2049
1579	$self->post_load;	2050	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1584		2055
1585	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2057	if $self->per_player;
1587		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1588	$self	2062	$self
1589	}	2063	}
1590		2064
1591	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2066	sub load_neighbours {
1593	my ($map) = @_;	2067	my ($map) = @_;
1594		2068
1595	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1596		2070
1597	for (0 .. 3) {	2071	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1599	or next;	2073	or next;
1600	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1601	or next;	2075	or next;
1602	$neigh->load;	2076	$neigh->load;
1603		2077
		2078	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2081	}
1607		2082
1608	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1610	or next;	2086	or next;
1611	$neigh->load;	2087	$neigh->load;
1612	}	2088	}
1613	}	2089	}
1614		2090
…		…
1619	}	2095	}
1620		2096
1621	sub do_load_sync {	2097	sub do_load_sync {
1622	my ($map) = @_;	2098	my ($map) = @_;
1623		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1624	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1625	}	2104	}
1626		2105
1627	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1629		2108
1630	sub find_async {	2109	sub find_async {
1631	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1632		2111
1633	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1634		2113
1635	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2116	}
1638		2117
1639	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1640	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1641	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2125	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2126	$map->load if $v;
		2127	}
1646		2128
1647	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1648	}	2130	}
1649	}	2131	}
1650	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1651	};	2133	};
1652	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2137	}
1656		2138
1657	sub save {	2139	sub save {
1658	my ($self) = @_;	2140	my ($self) = @_;
1659		2141
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2143
1662	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1663		2145
1664	return unless $self->dirty;	2146	return unless $self->dirty;
1665		2147
…		…
1671	return if $self->{deny_save};	2153	return if $self->{deny_save};
1672		2154
1673	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1674		2156
1675	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1677	};	2160	};
1678		2161
1679	if ($uniq) {	2162	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2171	my ($self) = @_;
1689		2172
1690	# save first because save cedes	2173	# save first because save cedes
1691	$self->save;	2174	$self->save;
1692		2175
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2177
1695	return if $self->players;	2178	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2180	return if $self->{deny_save};
1698		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2186	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2187	}
1702		2188
1703	sub reset_at {	2189	sub reset_at {
1704	my ($self) = @_;	2190	my ($self) = @_;
1705		2191
1706	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1709		2194
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2197
…		…
1723	my ($self) = @_;	2208	my ($self) = @_;
1724		2209
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2211
1727	return if $self->players;	2212	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2213
1730	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1731		2215
1732	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1733		2217
1734	# need to save uniques path	2218	# need to save uniques path
1735	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2223	if $uniq;
1740	}	2224	}
1741		2225
1742	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1743		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2230	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2231
1748	$self->unlink_save;	2232	$self->unlink_save;
1749	$self->destroy;	2233	$self->destroy;
1750	}	2234	}
1751		2235
1752	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1753		2237
1754	sub nuke {	2238	sub nuke {
1755	my ($self) = @_;	2239	my ($self) = @_;
1756		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1757	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1758		2245
1759	$self->unlink_save;	2246	$self->unlink_save;
1760		2247
1761	bless $self, "cf::map";	2248	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2253
1767	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1768		2256
1769	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1770	}	2294	}
1771		2295
1772	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1773		2297
1774	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2299	instantiated unique items. May block.
1776		2300
1777	=cut	2301	=cut
1778		2302
1779	sub unique_maps() {	2303	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2304	[
1781	or return;	2305	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2306	utf8::decode $_;
1787	next if /\.pst$/;	2307	/\.map$/
1788	next unless /^$PATH_SEP/o;	2308	? normalise $_
1789		2309	: ()
1790	push @paths, cf::map::normalise $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2311	]
1792
1793	\@paths
1794	}	2312	}
1795		2313
1796	package cf;	2314	package cf;
1797		2315
1798	=back	2316	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1817	}	2335	}
1818		2336
1819	sub inv_recursive {	2337	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1821	}	2367	}
1822		2368
1823	package cf;	2369	package cf;
1824		2370
1825	=back	2371	=back
…		…
1844		2390
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2392
1847	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1849	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1852	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1853	}	2418	}
1854		2419
1855	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1856		2421
1857	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1905		2470
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2472
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1910		2475
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2477	}
1913		2478
1914	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1916		2483
1917	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1918		2485
1919	unless ($map) {	2486	unless ($map) {
1920	# restore original map position	2487	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1937		2504
1938	$map->load;	2505	$map->load;
1939	$map->load_diag;	2506	$map->load_neighbours;
1940		2507
1941	return unless $self->contr->active;	2508	return unless $self->contr->active;
1942	$self->activate_recursive;	2509	$self->activate_recursive;
1943		2510
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1946	}	2513	}
1947		2514
1948	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2516
1952	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1956	};	2521	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2522
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2523	=cut
		2524
		2525	our $GOTOGEN;
1983		2526
1984	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2532
1987	$self->enter_link;	2533	$self->enter_link;
1988		2534
1989	(async {	2535	(async {
		2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
1990	my $map = eval {	2557	my $map = eval {
1991	my $map = cf::map::find $path;	2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
		2562	$map = $check->($map) if $check && $map;
		2563	} else {
		2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566
1993	$map	2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2573	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1998	})->prio (1);	2581	})->prio (1);
1999	}	2582	}
2000		2583
2001	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
2002		2585
…		…
2071	my $hp = $exit->stats->hp;	2654	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2655	my $sp = $exit->stats->sp;
2073		2656
2074	$self->enter_link;	2657	$self->enter_link;
2075		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
2076	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
2077	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2667	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2668	$self->goto ($slaying, $hp, $sp);
2080		2669
2081	1;	2670	1;
…		…
2107		2696
2108	utf8::encode $text;	2697	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2699	}
2111		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
2112	=item $client->ext_event ($type, %msg)	2825	=item $client->ext_msg ($type, @msg)
2113		2826
2114	Sends an exti event to the client.	2827	Sends an ext event to the client.
2115		2828
2116	=cut	2829	=cut
2117		2830
2118	sub cf::client::ext_event($$%) {	2831	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2832	my ($self, $type, @msg) = @_;
2120		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2837	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
2123	}	2858	}
2124		2859
2125	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
2126		2861
2127	Queues a query to the client, calling the given callback with	2862	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2863	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2865
2131	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2867	become reliable at some point in the future.
2133		2868
2134	=cut	2869	=cut
2135		2870
2136	sub cf::client::query {	2871	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2880	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2882
2148	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
2150	}	2887	}
2151		2888
2152	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
2153	on_reply => sub {	2895	on_reply => sub {
2154	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
2155		2897
2156	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
2157	# get handled first	2899	# get handled first
…		…
2169	} else {	2911	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2913	}
2172	}	2914	}
2173	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
2174	);	2942	);
2175		2943
2176	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
2177		2945
2178	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2221		2989
2222	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2223		2991
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2225		2997
2226	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2227		2999
2228	=pod	3000	=pod
2229		3001
2230	The following functions and methods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2231		3003
2232	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2233	cf::object::player player	3008	cf::object::player
2234	cf::player peaceful	3009	player
2235	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2236		3016
2237	=cut	3017	=cut
2238		3018
2239	for (	3019	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2244	) {	3026	) {
2245	no strict 'refs';	3027	no strict 'refs';
…		…
2316	=back	3098	=back
2317		3099
2318	=cut	3100	=cut
2319		3101
2320	#############################################################################	3102	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3103	# the server's init and main functions
2496		3104
2497	sub load_facedata($) {	3105	sub load_facedata($) {
2498	my ($path) = @_;	3106	my ($path) = @_;
		3107
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3113
2500	warn "loading facedata from $path\n";	3114	warn "loading facedata from $path\n";
2501		3115
2502	my $facedata;	3116	my $facedata;
2503	0 < aio_load $path, $facedata	3117	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3120	$facedata = Coro::Storable::thaw $facedata;
2507		3121
2508	$facedata->{version} == 2	3122	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3124
		3125	# patch in the exptable
		3126	$facedata->{resource}{"res/exp_table"} = {
		3127	type => FT_RSRC,
		3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3129	};
		3130	cf::cede_to_tick;
		3131
2511	{	3132	{
2512	my $faces = $facedata->{faceinfo};	3133	my $faces = $facedata->{faceinfo};
2513		3134
2514	while (my ($face, $info) = each %$faces) {	3135	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3137	cf::face::set_visibility $idx, $info->{visibility};
		3138	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3141
		3142	cf::cede_to_tick;
2520	}	3143	}
2521		3144
2522	while (my ($face, $info) = each %$faces) {	3145	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3146	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	3147	my $idx = cf::face::find $face
2525	or next;	3148	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3152	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3154	}
2531	Coro::cede;	3155
		3156	cf::cede_to_tick;
2532	}	3157	}
2533	}	3158	}
2534		3159
2535	{	3160	{
2536	my $anims = $facedata->{animinfo};	3161	my $anims = $facedata->{animinfo};
2537		3162
2538	while (my ($anim, $info) = each %$anims) {	3163	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3165	cf::cede_to_tick;
2541	}	3166	}
2542		3167
2543	cf::anim::invalidate_all; # d'oh	3168	cf::anim::invalidate_all; # d'oh
2544	}	3169	}
2545		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
2546	1	3220	1
2547	}	3221	}
2548		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
2549	sub reload_regions {	3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
2550	load_resource_file "$MAPDIR/regions"	3236	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3237	or die "unable to load regions file\n";
		3238
		3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
2552	}	3243	}
2553		3244
2554	sub reload_facedata {	3245	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3246	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3247	or die "unable to load facedata\n";
2557	}	3248	}
2558		3249
2559	sub reload_archetypes {	3250	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3251	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
2562	}	3258	}
2563		3259
2564	sub reload_treasures {	3260	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3261	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3262	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3265	sub reload_resources {
2570	warn "reloading resource files...\n";	3266	warn "reloading resource files...\n";
2571		3267
2572	reload_regions;	3268	reload_regions;
2573	reload_facedata;	3269	reload_facedata;
		3270	#reload_archetypes;#d#
2574	reload_archetypes;	3271	reload_archetypes;
2575	reload_treasures;	3272	reload_treasures;
2576		3273
2577	warn "finished reloading resource files\n";	3274	warn "finished reloading resource files\n";
2578	}	3275	}
2579		3276
2580	sub init {	3277	sub init {
2581	reload_resources;	3278	reload_resources;
2582	}	3279	}
2583		3280
2584	sub cfg_load {	3281	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3283	or return;
2587		3284
2588	local $/;	3285	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
…		…
2605	sub main {	3302	sub main {
2606	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2610	Event::one_event;	3308	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2612	};	3310	};
2613		3311
2614	cfg_load;	3312	reload_config;
2615	db_init;	3313	db_init;
2616	load_extensions;	3314	load_extensions;
2617		3315
2618	$TICK_WATCHER->start;	3316	$TICK_WATCHER->start;
2619	Event::loop;	3317	Event::loop;
…		…
2635	},	3333	},
2636	);	3334	);
2637	}	3335	}
2638	}	3336	}
2639		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
		3374	}
		3375
2640	sub emergency_save() {	3376	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2642		3378
2643	warn "enter emergency perl save\n";	3379	warn "enter emergency perl save\n";
2644		3380
…		…
2648	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3390	$pl->save;
2654	}	3391	}
2655	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2656		3393
2657	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2705		3442
2706	warn "flushing outstanding aio requests";	3443	warn "flushing outstanding aio requests";
2707	for (;;) {	3444	for (;;) {
2708	BDB::flush;	3445	BDB::flush;
2709	IO::AIO::flush;	3446	IO::AIO::flush;
2710	Coro::cede;	3447	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3448	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3449	warn "iterate...";
2713	}	3450	}
2714		3451
2715	++$RELOAD;	3452	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3456	%EXT_CORO = ();
2720		3457
2721	warn "removing commands";	3458	warn "removing commands";
2722	%COMMAND = ();	3459	%COMMAND = ();
2723		3460
2724	warn "removing ext commands";	3461	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2726		3464
2727	warn "unloading/nuking all extensions";	3465	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2730		3468
…		…
2773	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2774	require cf;	3512	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3514
2777	warn "loading config and database again";	3515	warn "loading config and database again";
2778	cf::cfg_load;	3516	cf::reload_config;
2779		3517
2780	warn "loading extensions";	3518	warn "loading extensions";
2781	cf::load_extensions;	3519	cf::load_extensions;
2782		3520
2783	warn "reattaching attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
…		…
2819	register_command "reload" => sub {	3557	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2821		3559
2822	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
		3562	async {
		3563	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3564	reload_perl;
		3565	};
2825	}	3566	}
2826	};	3567	};
2827		3568
2828	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
2829		3570
…		…
2871	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2872		3613
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
2875	Coro::async_pool {	3616	Coro::async_pool {
		3617	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3618	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3619	or warn "ERROR: unable to write runtime file: $!";
2878	};	3620	};
2879	}	3621	}
2880		3622
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3624	$sig->send;
2886	}	3625	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3626	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3627	$sig->send;
…		…
2898		3637
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3638	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3640
2902	_post_tick;	3641	_post_tick;
2903
2904
2905	},	3642	},
2906	);	3643	);
2907		3644
2908	{	3645	{
		3646	BDB::min_parallel 8;
2909	BDB::max_poll_time $TICK * 0.1;	3647	BDB::max_poll_time $TICK * 0.1;
2910	$BDB_POLL_WATCHER = Event->io (	3648	$BDB_POLL_WATCHER = Event->io (
2911	reentrant => 0,	3649	reentrant => 0,
2912	fd => BDB::poll_fileno,	3650	fd => BDB::poll_fileno,
2913	poll => 'r',	3651	poll => 'r',
2914	prio => 0,	3652	prio => 0,
2915	data => WF_AUTOCANCEL,	3653	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,	3654	cb => \&BDB::poll_cb,
2917	);	3655	);
2918	BDB::min_parallel 8;
2919		3656
2920	BDB::set_sync_prepare {	3657	BDB::set_sync_prepare {
2921	my $status;	3658	my $status;
2922	my $current = $Coro::current;	3659	my $current = $Coro::current;
2923	(	3660	(
…		…
2932	)	3669	)
2933	};	3670	};
2934		3671
2935	unless ($DB_ENV) {	3672	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3678
2938	cf::sync_job {	3679	cf::sync_job {
2939	eval {	3680	eval {
2940	BDB::db_env_open	3681	BDB::db_env_open
2941	$DB_ENV,	3682	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3686	0666;
2946		3687
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3689	};
2952		3690
2953	cf::cleanup "db_env_open(db): $@" if $@;	3691	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3692	};
2955	}	3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
2956	}	3725	}
2957		3726
2958	{	3727	{
2959	IO::AIO::min_parallel 8;	3728	IO::AIO::min_parallel 8;
2960		3729
…		…
2963	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2964	reentrant => 0,	3733	reentrant => 0,
2965	data => WF_AUTOCANCEL,	3734	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,	3735	fd => IO::AIO::poll_fileno,
2967	poll => 'r',	3736	poll => 'r',
2968	prio => 6,	3737	prio => 0,
2969	cb => \&IO::AIO::poll_cb,	3738	cb => \&IO::AIO::poll_cb,
2970	);	3739	);
2971	}	3740	}
2972		3741
2973	my $_log_backtrace;	3742	my $_log_backtrace;
…		…
2979		3748
2980	# limit the # of concurrent backtraces	3749	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3750	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3751	++$_log_backtrace;
2983	async {	3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
2984	my @bt = fork_call {	3755	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3756	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3759	or die "addr2line: $!";

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