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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 1.388 by root, Thu Oct 18 02:56:13 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	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1191	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1192		1599
1193	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1194		1601
1195	=cut	1602	=cut
1196		1603
1197	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1199		1606
1200	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1608	}
1204		1609
1205	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1206		1611
1207	Sends an ext event to the client.	1612	Sends an ext event to the client.
1208		1613
1209	=cut	1614	=cut
1210		1615
1211	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1213		1618
1214	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1215	}	1620	}
1216		1621
1217	=head3 cf::region	1622	=head3 cf::region
1218		1623
1219	=over 4	1624	=over 4
…		…
1222		1627
1223	package cf::region;	1628	package cf::region;
1224		1629
1225	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1226		1631
1227	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1228		1633
1229	=cut	1634	=cut
1230		1635
1231	sub find_by_path($) {	1636	sub find_by_path($) {
1232	my ($path) = @_;	1637	my ($path) = @_;
1233		1638
1234	my ($match, $specificity);	1639	my ($match, $specificity);
1235		1640
1236	for my $region (list) {	1641	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1240	}	1645	}
1241	}	1646	}
1242		1647
…		…
1306	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1307		1712
1308	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1309	local $self->{path};	1714	local $self->{path};
1310	local $self->{load_path};	1715	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1716
1314	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1315	}	1718	}
1316		1719
1317	sub normalise {	1720	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1365	return $self;	1768	return $self;
1366	}	1769	}
1367	}	1770	}
1368		1771
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1773	()
1371	}	1774	}
1372		1775
1373	sub init {	1776	sub init {
1374	my ($self) = @_;	1777	my ($self) = @_;
…		…
1417		1820
1418	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1420	}	1823	}
1421		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1422	sub unlink_save {	1833	sub unlink_save {
1423	my ($self) = @_;	1834	my ($self) = @_;
1424		1835
1425	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1840
1430	sub load_header_from($) {	1841	sub load_header_from($) {
1431	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1432		1843
1433	utf8::encode $path;	1844	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1439		1853
1440	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1441		1855
1442	1	1856	1
1443	}	1857	}
…		…
1482	$self->load_header_orig	1896	$self->load_header_orig
1483	or return;	1897	or return;
1484	$self->prepare_orig;	1898	$self->prepare_orig;
1485	}	1899	}
1486		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1487	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1905	unless $self->default_region;
1489		1906
1490	1	1907	1
1491	}	1908	}
…		…
1494	sub find {	1911	sub find {
1495	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1496		1913
1497	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1498		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1500		1918
1501	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1503	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1504	or return;	1924	or return;
1505		1925
1506	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1507		1927
1508	$map->load_header	1928	$map->load_header
1509	or return;	1929	or return;
1510		1930
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1514	$map->reset;	1936	$map->reset;
1515	undef $guard;
1516	return find $path;	1937	return find $path;
1517	}	1938	}
1518		1939
1519	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1520	}	1941	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1530		1951
1531	my $path = $self->{path};	1952	my $path = $self->{path};
1532		1953
1533	{	1954	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1535		1956
		1957	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1959
1538	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1539		1961
1540	$self->alloc;	1962	$self->alloc;
1541		1963
1542	$self->pre_load;	1964	$self->pre_load;
1543	Coro::cede;	1965	cf::cede_to_tick;
1544		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1546	or return;	1970	or return;
1547		1971
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1973	if delete $self->{load_original};
1550		1974
1551	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1976	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1979	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1556	}	1983	}
1557	}	1984	}
1558		1985
1559	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1560	# now do the right thing for maps	1989	# now do the right thing for maps
1561	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1992	unless $self->difficulty;
1564	Coro::cede;	1993	cf::cede_to_tick;
1565		1994
1566	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1996	$self->decay_objects;
1568	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1569	$self->update_buttons;	1998	$self->update_buttons;
1570	Coro::cede;	1999	cf::cede_to_tick;
1571	$self->set_darkness_map;	2000	$self->set_darkness_map;
1572	Coro::cede;	2001	cf::cede_to_tick;
1573	$self->activate;	2002	$self->activate;
1574	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1575		2007
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2009	}
1578		2010
1579	$self->post_load;	2011	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1584		2016
1585	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2018	if $self->per_player;
1587		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1588	$self	2023	$self
1589	}	2024	}
1590		2025
1591	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2027	sub load_neighbours {
1593	my ($map) = @_;	2028	my ($map) = @_;
1594		2029
1595	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1596		2031
1597	for (0 .. 3) {	2032	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1599	or next;	2034	or next;
1600	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1601	or next;	2036	or next;
1602	$neigh->load;	2037	$neigh->load;
1603		2038
		2039	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2042	}
1607		2043
1608	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1610	or next;	2047	or next;
1611	$neigh->load;	2048	$neigh->load;
1612	}	2049	}
1613	}	2050	}
1614		2051
…		…
1619	}	2056	}
1620		2057
1621	sub do_load_sync {	2058	sub do_load_sync {
1622	my ($map) = @_;	2059	my ($map) = @_;
1623		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1624	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1625	}	2065	}
1626		2066
1627	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1629		2069
1630	sub find_async {	2070	sub find_async {
1631	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1632		2072
1633	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1634		2074
1635	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2077	}
1638		2078
1639	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1640	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1641	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2086	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2087	$map->load if $v;
		2088	}
1646		2089
1647	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1648	}	2091	}
1649	}	2092	}
1650	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1651	};	2094	};
1652	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2098	}
1656		2099
1657	sub save {	2100	sub save {
1658	my ($self) = @_;	2101	my ($self) = @_;
1659		2102
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2104
1662	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1663		2106
1664	return unless $self->dirty;	2107	return unless $self->dirty;
1665		2108
…		…
1671	return if $self->{deny_save};	2114	return if $self->{deny_save};
1672		2115
1673	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1674		2117
1675	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1677	};	2121	};
1678		2122
1679	if ($uniq) {	2123	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2132	my ($self) = @_;
1689		2133
1690	# save first because save cedes	2134	# save first because save cedes
1691	$self->save;	2135	$self->save;
1692		2136
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2138
1695	return if $self->players;	2139	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2141	return if $self->{deny_save};
1698		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2147	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2148	}
1702		2149
1703	sub reset_at {	2150	sub reset_at {
1704	my ($self) = @_;	2151	my ($self) = @_;
1705		2152
1706	# TODO: safety, remove and allow resettable per-player maps	2153	# 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};	2154	return 1e99 if $self->{deny_reset};
1709		2155
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2158
…		…
1723	my ($self) = @_;	2169	my ($self) = @_;
1724		2170
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2172
1727	return if $self->players;	2173	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2174
1730	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1731		2176
1732	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1733		2178
1734	# need to save uniques path	2179	# need to save uniques path
1735	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2184	if $uniq;
1740	}	2185	}
1741		2186
1742	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1743		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2191	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2192
1748	$self->unlink_save;	2193	$self->unlink_save;
1749	$self->destroy;	2194	$self->destroy;
1750	}	2195	}
1751		2196
1752	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1753		2198
1754	sub nuke {	2199	sub nuke {
1755	my ($self) = @_;	2200	my ($self) = @_;
1756		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1757	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1758		2206
1759	$self->unlink_save;	2207	$self->unlink_save;
1760		2208
1761	bless $self, "cf::map";	2209	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2214
1767	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1768		2217
1769	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1770	}	2255	}
1771		2256
1772	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1773		2258
1774	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2260	instantiated unique items. May block.
1776		2261
1777	=cut	2262	=cut
1778		2263
1779	sub unique_maps() {	2264	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2265	[
1781	or return;	2266	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2267	utf8::decode $_;
1787	next if /\.pst$/;	2268	/\.map$/
1788	next unless /^$PATH_SEP/o;	2269	? normalise $_
1789		2270	: ()
1790	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2272	]
1792
1793	\@paths
1794	}	2273	}
1795		2274
1796	package cf;	2275	package cf;
1797		2276
1798	=back	2277	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1817	}	2296	}
1818		2297
1819	sub inv_recursive {	2298	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1821	}	2328	}
1822		2329
1823	package cf;	2330	package cf;
1824		2331
1825	=back	2332	=back
…		…
1844		2351
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2353
1847	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1849	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1852	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1853	}	2379	}
1854		2380
1855	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1856		2382
1857	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1905		2431
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2433
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1910		2436
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2438	}
1913		2439
1914	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1916		2444
1917	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1918		2446
1919	unless ($map) {	2447	unless ($map) {
1920	# restore original map position	2448	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1937		2465
1938	$map->load;	2466	$map->load;
1939	$map->load_diag;	2467	$map->load_neighbours;
1940		2468
1941	return unless $self->contr->active;	2469	return unless $self->contr->active;
1942	$self->activate_recursive;	2470	$self->activate_recursive;
1943		2471
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1946	}	2474	}
1947		2475
1948	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2477
1952	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1956	};	2482	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2483
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	2484	=cut
		2485
		2486	our $GOTOGEN;
1983		2487
1984	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2493
1987	$self->enter_link;	2494	$self->enter_link;
1988		2495
1989	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1990	my $map = eval {	2518	my $map = eval {
1991	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1993	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2534	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1998	})->prio (1);	2542	})->prio (1);
1999	}	2543	}
2000		2544
2001	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
2002		2546
…		…
2071	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2073		2617
2074	$self->enter_link;	2618	$self->enter_link;
2075		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2076	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2077	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2628	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2080		2630
2081	1;	2631	1;
…		…
2107		2657
2108	utf8::encode $text;	2658	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2660	}
2111		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
2112	=item $client->ext_event ($type, %msg)	2755	=item $client->ext_msg ($type, @msg)
2113		2756
2114	Sends an exti event to the client.	2757	Sends an ext event to the client.
2115		2758
2116	=cut	2759	=cut
2117		2760
2118	sub cf::client::ext_event($$%) {	2761	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2762	my ($self, $type, @msg) = @_;
2120		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2767	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
2123	}	2788	}
2124		2789
2125	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2126		2791
2127	Queues a query to the client, calling the given callback with	2792	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>,	2793	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>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2795
2131	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2797	become reliable at some point in the future.
2133		2798
2134	=cut	2799	=cut
2135		2800
2136	sub cf::client::query {	2801	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2810	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2812
2148	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2150	}	2817	}
2151		2818
2152	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2153	on_reply => sub {	2825	on_reply => sub {
2154	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2155		2827
2156	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2157	# get handled first	2829	# get handled first
…		…
2169	} else {	2841	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2843	}
2172	}	2844	}
2173	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2174	);	2872	);
2175		2873
2176	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2177		2875
2178	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2221		2919
2222	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2223		2921
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2225		2927
2226	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2227		2929
2228	=pod	2930	=pod
2229		2931
2230	The following functions and methods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2231		2933
2232	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2233	cf::object::player player	2938	cf::object::player
2234	cf::player peaceful	2939	player
2235	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2236		2946
2237	=cut	2947	=cut
2238		2948
2239	for (	2949	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2244	) {	2956	) {
2245	no strict 'refs';	2957	no strict 'refs';
…		…
2316	=back	3028	=back
2317		3029
2318	=cut	3030	=cut
2319		3031
2320	#############################################################################	3032	#############################################################################
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 $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3033	# the server's init and main functions
2496		3034
2497	sub load_facedata($) {	3035	sub load_facedata($) {
2498	my ($path) = @_;	3036	my ($path) = @_;
		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3043
2500	warn "loading facedata from $path\n";	3044	warn "loading facedata from $path\n";
2501		3045
2502	my $facedata;	3046	my $facedata;
2503	0 < aio_load $path, $facedata	3047	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3050	$facedata = Coro::Storable::thaw $facedata;
2507		3051
2508	$facedata->{version} == 2	3052	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
2511	{	3062	{
2512	my $faces = $facedata->{faceinfo};	3063	my $faces = $facedata->{faceinfo};
2513		3064
2514	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3071
		3072	cf::cede_to_tick;
2520	}	3073	}
2521		3074
2522	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3076	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2525	or next;	3078	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3082	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3084	}
2531	Coro::cede;	3085
		3086	cf::cede_to_tick;
2532	}	3087	}
2533	}	3088	}
2534		3089
2535	{	3090	{
2536	my $anims = $facedata->{animinfo};	3091	my $anims = $facedata->{animinfo};
2537		3092
2538	while (my ($anim, $info) = each %$anims) {	3093	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3095	cf::cede_to_tick;
2541	}	3096	}
2542		3097
2543	cf::anim::invalidate_all; # d'oh	3098	cf::anim::invalidate_all; # d'oh
2544	}	3099	}
2545		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
2546	1	3150	1
2547	}	3151	}
2548		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
2549	sub reload_regions {	3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
2550	load_resource_file "$MAPDIR/regions"	3166	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
2552	}	3173	}
2553		3174
2554	sub reload_facedata {	3175	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3176	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3177	or die "unable to load facedata\n";
2557	}	3178	}
2558		3179
2559	sub reload_archetypes {	3180	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3181	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
2562	}	3188	}
2563		3189
2564	sub reload_treasures {	3190	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3191	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3192	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3195	sub reload_resources {
2570	warn "reloading resource files...\n";	3196	warn "reloading resource files...\n";
2571		3197
2572	reload_regions;	3198	reload_regions;
2573	reload_facedata;	3199	reload_facedata;
		3200	#reload_archetypes;#d#
2574	reload_archetypes;	3201	reload_archetypes;
2575	reload_treasures;	3202	reload_treasures;
2576		3203
2577	warn "finished reloading resource files\n";	3204	warn "finished reloading resource files\n";
2578	}	3205	}
2579		3206
2580	sub init {	3207	sub init {
2581	reload_resources;	3208	reload_resources;
2582	}	3209	}
2583		3210
2584	sub cfg_load {	3211	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3213	or return;
2587		3214
2588	local $/;	3215	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
…		…
2605	sub main {	3232	sub main {
2606	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2610	Event::one_event;	3238	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2612	};	3240	};
2613		3241
2614	cfg_load;	3242	reload_config;
2615	db_init;	3243	db_init;
2616	load_extensions;	3244	load_extensions;
2617		3245
2618	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2619	Event::loop;	3247	Event::loop;
…		…
2635	},	3263	},
2636	);	3264	);
2637	}	3265	}
2638	}	3266	}
2639		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2640	sub emergency_save() {	3306	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2642		3308
2643	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2644		3310
…		…
2648	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3320	$pl->save;
2654	}	3321	}
2655	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2656		3323
2657	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2705		3372
2706	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2707	for (;;) {	3374	for (;;) {
2708	BDB::flush;	3375	BDB::flush;
2709	IO::AIO::flush;	3376	IO::AIO::flush;
2710	Coro::cede;	3377	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3379	warn "iterate...";
2713	}	3380	}
2714		3381
2715	++$RELOAD;	3382	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3386	%EXT_CORO = ();
2720		3387
2721	warn "removing commands";	3388	warn "removing commands";
2722	%COMMAND = ();	3389	%COMMAND = ();
2723		3390
2724	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2726		3394
2727	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2730		3398
…		…
2773	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2774	require cf;	3442	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3444
2777	warn "loading config and database again";	3445	warn "loading config and database again";
2778	cf::cfg_load;	3446	cf::reload_config;
2779		3447
2780	warn "loading extensions";	3448	warn "loading extensions";
2781	cf::load_extensions;	3449	cf::load_extensions;
2782		3450
2783	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2819	register_command "reload" => sub {	3487	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2821		3489
2822	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3494	reload_perl;
		3495	};
2825	}	3496	}
2826	};	3497	};
2827		3498
2828	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2829		3500
…		…
2871	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2872		3543
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2875	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3548	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2878	};	3550	};
2879	}	3551	}
2880		3552
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3554	$sig->send;
2886	}	3555	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3556	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3557	$sig->send;
…		…
2898		3567
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3568	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3570
2902	_post_tick;	3571	_post_tick;
2903
2904
2905	},	3572	},
2906	);	3573	);
2907		3574
2908	{	3575	{
		3576	BDB::min_parallel 8;
2909	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2910	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2911	reentrant => 0,	3579	reentrant => 0,
2912	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2913	poll => 'r',	3581	poll => 'r',
2914	prio => 0,	3582	prio => 0,
2915	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
2917	);	3585	);
2918	BDB::min_parallel 8;
2919		3586
2920	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
2921	my $status;	3588	my $status;
2922	my $current = $Coro::current;	3589	my $current = $Coro::current;
2923	(	3590	(
…		…
2932	)	3599	)
2933	};	3600	};
2934		3601
2935	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3608
2938	cf::sync_job {	3609	cf::sync_job {
2939	eval {	3610	eval {
2940	BDB::db_env_open	3611	BDB::db_env_open
2941	$DB_ENV,	3612	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3616	0666;
2946		3617
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3618	cf::cleanup "db_env_open($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	};	3619	};
2952		3620
2953	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3622	};
2955	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
2956	}	3655	}
2957		3656
2958	{	3657	{
2959	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
2960		3659
…		…
2963	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2964	reentrant => 0,	3663	reentrant => 0,
2965	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2967	poll => 'r',	3666	poll => 'r',
2968	prio => 6,	3667	prio => 0,
2969	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2970	);	3669	);
2971	}	3670	}
2972		3671
2973	my $_log_backtrace;	3672	my $_log_backtrace;
…		…
2979		3678
2980	# limit the # of concurrent backtraces	3679	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3680	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3681	++$_log_backtrace;
2983	async {	3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
2984	my @bt = fork_call {	3685	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3686	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3689	or die "addr2line: $!";

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