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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
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 2.32 ();
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
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	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
152	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
153	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.
154		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
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$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;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		206
180	# 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
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$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;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	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]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	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
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($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#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
296	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
297		398
298	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
303		404
304	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
305		406
306	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
307		408
308	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
311		413
312	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
315	fast or be very important.	417	fast or be very important.
…		…
318		420
319	sub sync_job(&) {	421	sub sync_job(&) {
320	my ($job) = @_;	422	my ($job) = @_;
321		423
322	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
323	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
325		429
326	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
338		442
339	while ($busy) {	443	while ($busy) {
340	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
341	}	445	}
342		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
343	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
344	} else {	455	} else {
345	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
346		457
347	$job->()	458	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
367		478
368	$coro	479	$coro
369	}	480	}
370		481
371	sub write_runtime {	482	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		483
374	# first touch the runtime file to show we are still running:	484	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
376		488
377	warn "touching runtime...\n";#d#	489	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	490
379	utime undef, undef, $fh;	491	sub fork_call(&@) {
		492	my ($cb, @args) = @_;
		493
		494	# we seemingly have to make a local copy of the whole thing,
		495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
		497
		498	my @res = Coro::Util::fork_eval {
		499	reset_signals;
		500	&$cb
		501	}, @args;
		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
380	}	533	};
		534	cf::cleanup "db_open(db): $@" if $@;
381		535
382	my $guard = cf::lock_acquire "write_runtime";	536	$db
		537	}
383		538
384	warn "starting to write runtime...\n";#d#	539	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		540
388	my $value = $cf::RUNTIME + 90 + 10;	541	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	542	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	543	$DB ||= db_table "db";
		544	};
		545	}
391		546
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub db_get($$) {
393	and return;	548	my $key = "$_[0]/$_[1]";
394		549
395	# always fsync - this file is important	550	cf::sync_job {
396	aio_fsync $fh	551	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		552
399	# touch it again to show we are up-to-date	553	$! ? ()
400	utime undef, undef, $fh;	554	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
411	}	631	}
412		632
413	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
414		634
415	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
435		655
436	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	658	Crossfire TRT).
439		659
440	=over 4	660	=over 4
441		661
442	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
443		663
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
607		827
608	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		832
613	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	834	my $pkg = shift @arg;
615		835
616	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
646	}	866	}
647		867
648	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
649	} else {	869	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	871	}
652		872
653	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
654	}	874	}
655		875
…		…
657	if (ref $_[0]) {	877	if (ref $_[0]) {
658	_object_attach @_;	878	_object_attach @_;
659	} else {	879	} else {
660	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
661	}	881	}
		882	_recalc_want;
662	};	883	};
663		884
664	# all those should be optimised	885	# all those should be optimised
665	sub cf::attachable::detach {	886	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
670	reattach ($obj);	891	reattach ($obj);
671	} else {	892	} else {
672	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
673	}	894	}
		895	_recalc_want;
674	};	896	};
675		897
676	sub cf::attachable::attached {	898	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
678		900
…		…
693	";	915	";
694	die if $@;	916	die if $@;
695	}	917	}
696		918
697	our $override;	919	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		921
700	sub override {	922	sub override {
701	$override = 1;	923	$override = 1;
702	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
703	}	925	}
704		926
705	sub do_invoke {	927	sub do_invoke {
706	my $event = shift;	928	my $event = shift;
707	my $callbacks = shift;	929	my $callbacks = shift;
708		930
709	@invoke_results = ();	931	@INVOKE_RESULTS = ();
710		932
711	local $override;	933	local $override;
712		934
713	for (@$callbacks) {	935	for (@$callbacks) {
714	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
731		953
732	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
733		955
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		959
738	=back	960	=back
739		961
740	=cut	962	=cut
741		963
742	#############################################################################	964	#############################################################################
743	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
744		977
745	sub reattach {	978	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	980	my ($obj) = @_;
748		981
…		…
795	sub object_freezer_save {	1028	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
797		1030
798	sync_job {	1031	sync_job {
799	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
802		1036
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
825	}	1059	}
826	} else {	1060	} else {
827	aio_unlink $filename;	1061	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
829	}	1063	}
830	}	1064	};
831	}	1065	}
832		1066
833	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
835		1069
…		…
847	or return;	1081	or return;
848		1082
849	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
851	or return;	1085	or return;
		1086
852	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1088	}
854		1089
		1090	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
857	return ($data, $av);	1094	($data, $av)
858	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
859		1102
860	#############################################################################	1103	#############################################################################
861	# command handling &c	1104	# command handling &c
862		1105
863	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1120	}
878		1121
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1123
881	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
882		1129
883	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
884	called.	1131	called.
885		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
886	=cut	1144	=cut
887		1145
888	sub register_extcmd {	1146	sub register_extcmd {
889	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
890		1148
891	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
892	}	1156	}
893		1157
894	cf::player->attach (	1158	cf::player->attach (
895	on_command => sub {	1159	on_command => sub {
896	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1169	cf::override;
906	},	1170	},
907	on_extcmd => sub {	1171	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
909		1173
910	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1175
912	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
918	} else {	1191	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1193	}
921		1194
922	cf::override;	1195	cf::override;
923	},	1196	},
924	);	1197	);
925		1198
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
961	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1204	next unless -r $path;
963	eval {	1205
964	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
965	1	1263	}
966	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
967	}	1269	};
968	}	1270	}
969		1271
970	#############################################################################	1272	#############################################################################
971		1273
		1274	=back
		1275
972	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
973		1277
974	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
975		1279
976	=cut	1280	=cut
…		…
980	use Coro::AIO;	1284	use Coro::AIO;
981		1285
982	=head3 cf::player	1286	=head3 cf::player
983		1287
984	=over 4	1288	=over 4
		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
985		1303
986	=item cf::player::find $login	1304	=item cf::player::find $login
987		1305
988	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
989		1307
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1347
1030	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1033	}	1356	}
1034	}	1357	}
1035	}	1358	}
1036		1359
…		…
1046		1369
1047	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1049		1372
1050	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1051	Coro::cede;	1374	cf::cede_to_tick;
1052	}	1375	}
1053		1376
1054	sub new($) {	1377	sub new($) {
1055	my ($login) = @_;	1378	my ($login) = @_;
1056		1379
…		…
1060	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1061		1384
1062	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1063		1386
1064	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1065	}	1398	}
1066		1399
1067	=item $pl->quit_character	1400	=item $pl->quit_character
1068		1401
1069	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1124	or return [];	1457	or return [];
1125		1458
1126	my @logins;	1459	my @logins;
1127		1460
1128	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1132		1470
1133	utf8::decode $login;	1471	utf8::decode $login;
1134	push @logins, $login;	1472	push @logins, $login;
1135	}	1473	}
1136		1474
…		…
1163	}	1501	}
1164		1502
1165	\@paths	1503	\@paths
1166	}	1504	}
1167		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1168	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1169		1558
1170	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1171		1560
1172	=cut	1561	=cut
1173		1562
1174	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1176		1565
1177	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1567	}
1181		1568
1182	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1183		1570
1184	Sends an ext event to the client.	1571	Sends an ext event to the client.
1185		1572
1186	=cut	1573	=cut
1187		1574
1188	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1190		1577
1191	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1192	}	1579	}
1193		1580
1194	=head3 cf::region	1581	=head3 cf::region
1195		1582
1196	=over 4	1583	=over 4
…		…
1199		1586
1200	package cf::region;	1587	package cf::region;
1201		1588
1202	=item cf::region::find_by_path $path	1589	=item cf::region::find_by_path $path
1203		1590
1204	Tries to decuce the probable region for a map knowing only its path.	1591	Tries to decuce the likely region for a map knowing only its path.
1205		1592
1206	=cut	1593	=cut
1207		1594
1208	sub find_by_path($) {	1595	sub find_by_path($) {
1209	my ($path) = @_;	1596	my ($path) = @_;
1210		1597
1211	my ($match, $specificity);	1598	my ($match, $specificity);
1212		1599
1213	for my $region (list) {	1600	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1601	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1602	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1603	if $region->specificity > $specificity;
1217	}	1604	}
1218	}	1605	}
1219		1606
…		…
1283	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1284		1671
1285	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1286	local $self->{path};	1673	local $self->{path};
1287	local $self->{load_path};	1674	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1675
1291	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1292	}	1677	}
1293		1678
1294	sub normalise {	1679	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1342	return $self;	1727	return $self;
1343	}	1728	}
1344	}	1729	}
1345		1730
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1732	()
1348	}	1733	}
1349		1734
1350	sub init {	1735	sub init {
1351	my ($self) = @_;	1736	my ($self) = @_;
…		…
1394		1779
1395	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1397	}	1782	}
1398		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1399	sub unlink_save {	1792	sub unlink_save {
1400	my ($self) = @_;	1793	my ($self) = @_;
1401		1794
1402	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1799
1407	sub load_header_from($) {	1800	sub load_header_from($) {
1408	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1409		1802
1410	utf8::encode $path;	1803	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1416		1812
1417	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1418		1814
1419	1	1815	1
1420	}	1816	}
…		…
1459	$self->load_header_orig	1855	$self->load_header_orig
1460	or return;	1856	or return;
1461	$self->prepare_orig;	1857	$self->prepare_orig;
1462	}	1858	}
1463		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
1464	$self->default_region (cf::region::find_by_path $self->{path})	1863	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1864	unless $self->default_region;
1466		1865
1467	1	1866	1
1468	}	1867	}
…		…
1471	sub find {	1870	sub find {
1472	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1473		1872
1474	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1475		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1477		1877
1478	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1480	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1481	or return;	1883	or return;
1482		1884
1483	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1484		1886
1485	$map->load_header	1887	$map->load_header
1486	or return;	1888	or return;
1487		1889
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1491	$map->reset;	1895	$map->reset;
1492	undef $guard;
1493	return find $path;	1896	return find $path;
1494	}	1897	}
1495		1898
1496	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1497	}	1900	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1507		1910
1508	my $path = $self->{path};	1911	my $path = $self->{path};
1509		1912
1510	{	1913	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1512		1915
		1916	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1918
1515	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1516		1920
1517	$self->alloc;	1921	$self->alloc;
1518		1922
1519	$self->pre_load;	1923	$self->pre_load;
1520	Coro::cede;	1924	cf::cede_to_tick;
1521		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	1928	$self->_load_objects ($f)
1523	or return;	1929	or return;
1524		1930
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	1932	if delete $self->{load_original};
1527		1933
1528	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	1935	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	1938	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1533	}	1942	}
1534	}	1943	}
1535		1944
1536	Coro::cede;	1945	$f->resolve_delayed_derefs;
		1946
		1947	cf::cede_to_tick;
1537	# now do the right thing for maps	1948	# now do the right thing for maps
1538	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1951	unless $self->difficulty;
1541	Coro::cede;	1952	cf::cede_to_tick;
1542		1953
1543	unless ($self->{deny_activate}) {	1954	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1955	$self->decay_objects;
1545	$self->fix_auto_apply;	1956	$self->fix_auto_apply;
1546	$self->update_buttons;	1957	$self->update_buttons;
1547	Coro::cede;	1958	cf::cede_to_tick;
1548	$self->set_darkness_map;	1959	$self->set_darkness_map;
1549	Coro::cede;	1960	cf::cede_to_tick;
1550	$self->activate;	1961	$self->activate;
1551	}	1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
1552		1966
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1968	}
1555		1969
1556	$self->post_load;	1970	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1561		1975
1562	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1977	if $self->per_player;
1564		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1565	$self	1982	$self
1566	}	1983	}
1567		1984
1568	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1986	sub load_neighbours {
1570	my ($map) = @_;	1987	my ($map) = @_;
1571		1988
1572	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1573		1990
1574	for (0 .. 3) {	1991	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1576	or next;	1993	or next;
1577	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1578	or next;	1995	or next;
1579	$neigh->load;	1996	$neigh->load;
1580		1997
		1998	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2001	}
1584		2002
1585	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1587	or next;	2006	or next;
1588	$neigh->load;	2007	$neigh->load;
1589	}	2008	}
1590	}	2009	}
1591		2010
…		…
1596	}	2015	}
1597		2016
1598	sub do_load_sync {	2017	sub do_load_sync {
1599	my ($map) = @_;	2018	my ($map) = @_;
1600		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1601	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1602	}	2024	}
1603		2025
1604	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1606		2028
1607	sub find_async {	2029	sub find_async {
1608	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1609		2031
1610	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1611		2033
1612	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	2036	}
1615		2037
1616	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1617	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2043	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2044	$map->load if $v;
		2045	}
1623		2046
1624	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1625	}	2048	}
1626	}	2049	}
1627	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1628	};	2051	};
1629	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2055	}
1633		2056
1634	sub save {	2057	sub save {
1635	my ($self) = @_;	2058	my ($self) = @_;
1636		2059
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2061
1639	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1640		2063
1641	return unless $self->dirty;	2064	return unless $self->dirty;
1642		2065
…		…
1665	my ($self) = @_;	2088	my ($self) = @_;
1666		2089
1667	# save first because save cedes	2090	# save first because save cedes
1668	$self->save;	2091	$self->save;
1669		2092
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2094
1672	return if $self->players;	2095	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2097	return if $self->{deny_save};
1675		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2103	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2104	}
1679		2105
1680	sub reset_at {	2106	sub reset_at {
1681	my ($self) = @_;	2107	my ($self) = @_;
1682		2108
1683	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1686		2111
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2114
…		…
1700	my ($self) = @_;	2125	my ($self) = @_;
1701		2126
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2128
1704	return if $self->players;	2129	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2130
1707	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1708		2132
1709	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1710		2134
1711	# need to save uniques path	2135	# need to save uniques path
1712	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2140	if $uniq;
1717	}	2141	}
1718		2142
1719	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1720		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2147	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2148
1725	$self->unlink_save;	2149	$self->unlink_save;
1726	$self->destroy;	2150	$self->destroy;
1727	}	2151	}
1728		2152
1729	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1730		2154
1731	sub nuke {	2155	sub nuke {
1732	my ($self) = @_;	2156	my ($self) = @_;
1733		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1734	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1735		2162
1736	$self->unlink_save;	2163	$self->unlink_save;
1737		2164
1738	bless $self, "cf::map";	2165	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2170
1744	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1745		2173
1746	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1747	}	2211	}
1748		2212
1749	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1750		2214
1751	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2216	instantiated unique items. May block.
1753		2217
1754	=cut	2218	=cut
1755		2219
1756	sub unique_maps() {	2220	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2221	[
1758	or return;	2222	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2223	utf8::decode $_;
1764	next if /\.pst$/;	2224	/\.map$/
1765	next unless /^$PATH_SEP/o;	2225	? normalise $_
1766		2226	: ()
1767	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2228	]
1769
1770	\@paths
1771	}	2229	}
1772		2230
1773	package cf;	2231	package cf;
1774		2232
1775	=back	2233	=back
…		…
1793	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1794	}	2252	}
1795		2253
1796	sub inv_recursive {	2254	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1798	}	2287	}
1799		2288
1800	package cf;	2289	package cf;
1801		2290
1802	=back	2291	=back
…		…
1821		2310
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2312
1824	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1826	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1829	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1830	}	2338	}
1831		2339
1832	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1833		2341
1834	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1882		2390
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2392
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1887		2395
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2397	}
1890		2398
1891	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1893		2403
1894	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1895		2405
1896	unless ($map) {	2406	unless ($map) {
1897	# restore original map position	2407	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1914		2424
1915	$map->load;	2425	$map->load;
1916	$map->load_diag;	2426	$map->load_neighbours;
1917		2427
1918	return unless $self->contr->active;	2428	return unless $self->contr->active;
1919	$self->activate_recursive;	2429	$self->activate_recursive;
1920		2430
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1923	}	2433	}
1924		2434
1925	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2436
1929	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1933	};	2441	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2442
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1960		2446
1961	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2452
1964	$self->enter_link;	2453	$self->enter_link;
1965		2454
1966	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1967	my $map = eval {	2475	my $map = eval {
1968	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1970	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2491	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1975	})->prio (1);	2499	})->prio (1);
1976	}	2500	}
1977		2501
1978	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1979		2503
…		…
2048	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
2050		2574
2051	$self->enter_link;	2575	$self->enter_link;
2052		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
		2580
2053	(async {	2581	(async {
2054	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2583	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
2057		2585
…		…
2084		2612
2085	utf8::encode $text;	2613	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2615	}
2088		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
2089	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2090		2699
2091	Sends an exti event to the client.	2700	Sends an ext event to the client.
2092		2701
2093	=cut	2702	=cut
2094		2703
2095	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2097		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
2100	}	2731	}
2101		2732
2102	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2103		2734
2104	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2738
2108	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2740	become reliable at some point in the future.
2110		2741
2111	=cut	2742	=cut
2112		2743
2113	sub cf::client::query {	2744	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2753	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2755
2125	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2127	}	2760	}
2128		2761
2129	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2130	on_reply => sub {	2768	on_reply => sub {
2131	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2132		2770
2133	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2134	# get handled first	2772	# get handled first
…		…
2146	} else {	2784	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2786	}
2149	}	2787	}
2150	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2151	);	2815	);
2152		2816
2153	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2154		2818
2155	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2198		2862
2199	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2200		2864
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2202		2870
2203	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2204		2872
2205	=pod	2873	=pod
2206		2874
2207	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2208		2876
2209	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2210	cf::object::player player	2881	cf::object::player
2211	cf::player peaceful	2882	player
2212	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2213		2889
2214	=cut	2890	=cut
2215		2891
2216	for (	2892	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2218	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2221	) {	2899	) {
2222	no strict 'refs';	2900	no strict 'refs';
…		…
2293	=back	2971	=back
2294		2972
2295	=cut	2973	=cut
2296		2974
2297	#############################################################################	2975	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2976	# the server's init and main functions
2473		2977
2474	sub load_facedata($) {	2978	sub load_facedata($) {
2475	my ($path) = @_;	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		2986
2477	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2478		2988
2479	my $facedata;	2989	my $facedata;
2480	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2484		2994
2485	$facedata->{version} == 2	2995	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
2488	{	3005	{
2489	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2490		3007
2491	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3014
		3015	cf::cede_to_tick;
2497	}	3016	}
2498		3017
2499	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3019	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2502	or next;	3021	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3025	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3027	}
2508	Coro::cede;	3028
		3029	cf::cede_to_tick;
2509	}	3030	}
2510	}	3031	}
2511		3032
2512	{	3033	{
2513	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2514		3035
2515	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3038	cf::cede_to_tick;
2518	}	3039	}
2519		3040
2520	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2521	}	3042	}
2522		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
2523	1	3093	1
2524	}	3094	}
2525		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
2526	sub reload_regions {	3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
2527	load_resource_file "$MAPDIR/regions"	3109	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
2529	}	3116	}
2530		3117
2531	sub reload_facedata {	3118	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3119	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3120	or die "unable to load facedata\n";
2534	}	3121	}
2535		3122
2536	sub reload_archetypes {	3123	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	3124	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
2539	}	3131	}
2540		3132
2541	sub reload_treasures {	3133	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3134	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3135	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	3138	sub reload_resources {
2547	warn "reloading resource files...\n";	3139	warn "reloading resource files...\n";
2548		3140
2549	reload_regions;	3141	reload_regions;
2550	reload_facedata;	3142	reload_facedata;
		3143	#reload_archetypes;#d#
2551	reload_archetypes;	3144	reload_archetypes;
2552	reload_treasures;	3145	reload_treasures;
2553		3146
2554	warn "finished reloading resource files\n";	3147	warn "finished reloading resource files\n";
2555	}	3148	}
2556		3149
2557	sub init {	3150	sub init {
2558	reload_resources;	3151	reload_resources;
2559	}	3152	}
2560		3153
2561	sub cfg_load {	3154	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3156	or return;
2564		3157
2565	local $/;	3158	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3179	(async {
2587	Event::one_event;	3180	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2589	};	3182	};
2590		3183
2591	cfg_load;	3184	reload_config;
2592	db_init;	3185	db_init;
2593	load_extensions;	3186	load_extensions;
2594		3187
2595	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2596	Event::loop;	3189	Event::loop;
…		…
2612	},	3205	},
2613	);	3206	);
2614	}	3207	}
2615	}	3208	}
2616		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2617	sub emergency_save() {	3248	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2619		3250
2620	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2621		3252
…		…
2696	%EXT_CORO = ();	3327	%EXT_CORO = ();
2697		3328
2698	warn "removing commands";	3329	warn "removing commands";
2699	%COMMAND = ();	3330	%COMMAND = ();
2700		3331
2701	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2703		3335
2704	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2707		3339
…		…
2750	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2751	require cf;	3383	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3385
2754	warn "loading config and database again";	3386	warn "loading config and database again";
2755	cf::cfg_load;	3387	cf::reload_config;
2756		3388
2757	warn "loading extensions";	3389	warn "loading extensions";
2758	cf::load_extensions;	3390	cf::load_extensions;
2759		3391
2760	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2840	return;	3472	return;
2841	}	3473	}
2842		3474
2843	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2844		3476
2845	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
2846		3478
2847	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
…		…
2853	write_runtime	3485	write_runtime
2854	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2855	};	3487	};
2856	}	3488	}
2857		3489
2858	# my $AFTER = Event::time;	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2859	# warn $AFTER - $NOW;#d#	3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
		3496
		3497	$NOW = Event::time;
2860		3498
2861	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3501
2864	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
2866		3504
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3505	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3507
2874	_post_tick;	3508	_post_tick;
2875	},	3509	},
2876	);	3510	);
2877		3511
2878	{	3512	{
		3513	BDB::min_parallel 8;
2879	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2880	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2881	reentrant => 0,	3516	reentrant => 0,
2882	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2883	poll => 'r',	3518	poll => 'r',
2884	prio => 0,	3519	prio => 0,
2885	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2887	);	3522	);
2888	BDB::min_parallel 8;
2889		3523
2890	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2891	my $status;	3525	my $status;
2892	my $current = $Coro::current;	3526	my $current = $Coro::current;
2893	(	3527	(
…		…
2902	)	3536	)
2903	};	3537	};
2904		3538
2905	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3545
2908	cf::sync_job {	3546	cf::sync_job {
2909	eval {	3547	eval {
2910	BDB::db_env_open	3548	BDB::db_env_open
2911	$DB_ENV,	3549	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3553	0666;
2916		3554
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3556	};
2922		3557
2923	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3559	};
2925	}	3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
2926	}	3592	}
2927		3593
2928	{	3594	{
2929	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2930		3596

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