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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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;
…		…
83	our %CFG;	87	our %CFG;
84		88
85	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	90	our $RUNTIME;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
94		102
95	binmode STDOUT;	103	binmode STDOUT;
96	binmode STDERR;	104	binmode STDERR;
97		105
98	# read virtual server time, if available	106	# read virtual server time, if available
…		…
139		147
140	=item $cf::TICK	148	=item $cf::TICK
141		149
142	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
143		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
144	=item %cf::CFG	162	=item %cf::CFG
145		163
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	165	from wherever your confdir points to.
148		166
…		…
150		168
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	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	170	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.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
159	BEGIN {	183	BEGIN {
…		…
163	$msg .= "\n"	187	$msg .= "\n"
164	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
165		189
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		191
168	utf8::encode $msg;
169	LOG llevError, $msg;	192	LOG llevError, $msg;
170	};	193	};
171	}	194	}
172		195
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		203
180	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	205	# within the Safe compartment.
182	for my $pkg (qw(	206	for my $pkg (qw(
183	cf::global cf::attachable	207	cf::global cf::attachable
…		…
191	}	215	}
192		216
193	$Event::DIED = sub {	217	$Event::DIED = sub {
194	warn "error in event callback: @_";	218	warn "error in event callback: @_";
195	};	219	};
		220
		221	#############################################################################
196		222
197	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
198		224
199	=over 4	225	=over 4
200		226
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	246	$d
221	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
222	}	248	}
223		249
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
227		251
228	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
229		253
230	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
231		255
232	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
233		264
234	=item cf::lock_wait $string	265	=item cf::lock_wait $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
240	Wait until the given lock is available and then acquires it and returns	271	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,	272	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	273	for example when the coroutine gets canceled), the lock is automatically
243	returned.	274	returned.
244		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
245	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
247		281
248	=item $locked = cf::lock_active $string	282	=item $locked = cf::lock_active $string
249		283
250	Return true if the lock is currently active, i.e. somebody has locked it.	284	Return true if the lock is currently active, i.e. somebody has locked it.
251		285
252	=cut	286	=cut
253		287
254	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
255		290
256	sub lock_wait($) {	291	sub lock_wait($) {
257	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
258		298
259	# wait for lock, if any	299	# wait for lock, if any
260	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	302	Coro::schedule;
…		…
268		308
269	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
270	lock_wait $key;	310	lock_wait $key;
271		311
272	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
273		314
274	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
277	}	319	}
278	}	320	}
279		321
…		…
291	};	333	};
292	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
293	$guard	335	$guard
294	}	336	}
295		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
296	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
297		395
298	Currently the same as Coro::async_pool, meaning you cannot use	396	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	397	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.	398	thing you are allowed to do is call C<prio> on it.
…		…
303		401
304	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
305		403
306	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
307		405
308	The design of crossfire+ requires that the main coro ($Coro::main) is	406	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	407	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.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
311		410
312	If it must be done, put the blocking parts into C<sync_job>. This will run	411	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	412	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	413	server will be frozen during this time, so the block should either finish
315	fast or be very important.	414	fast or be very important.
…		…
318		417
319	sub sync_job(&) {	418	sub sync_job(&) {
320	my ($job) = @_;	419	my ($job) = @_;
321		420
322	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
323	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
325		426
326	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
338		439
339	while ($busy) {	440	while ($busy) {
340	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
341	}	442	}
342		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
343	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
344	} else {	452	} else {
345	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
346		454
347	$job->()	455	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
367		475
368	$coro	476	$coro
369	}	477	}
370		478
371	sub write_runtime {	479	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		480
374	my $runtime = "$LOCALDIR/runtime";	481	Executes the given code block with the given arguments in a seperate
		482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
375		485
376	warn "starting to write runtime...\n";#d#	486	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		487
380	my $value = $cf::RUNTIME + 90 + 10;	488	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	489	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		490
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	# we seemingly have to make a local copy of the whole thing,
385	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
386		494
387	# always fsync - this file is important	495	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	496	reset_signals;
389	and return;	497	&$cb
		498	}, @args;
390		499
391	close $fh	500	wantarray ? @res : $res[-1]
392	or return;	501	}
393		502
394	aio_rename "$runtime~", $runtime	503	=item $value = cf::db_get $family => $key
395	and return;
396		504
397	warn "... done writing runtime.\n";#d#	505	Returns a single value from the environment database.
398		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
399	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
400	}	617	}
401		618
402	=item cf::datalog type => key => value, ...	619	=item cf::datalog type => key => value, ...
403		620
404	Log a datalog packet of the given type with the given key-value pairs.	621	Log a datalog packet of the given type with the given key-value pairs.
…		…
422	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
424		641
425	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	644	Crossfire TRT).
428		645
429	=over 4	646	=over 4
430		647
431	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
432		649
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
596		813
597	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		818
602	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	820	my $pkg = shift @arg;
604		821
605	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
635	}	852	}
636		853
637	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
638	} else {	855	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	857	}
641		858
642	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
643	}	860	}
644		861
…		…
646	if (ref $_[0]) {	863	if (ref $_[0]) {
647	_object_attach @_;	864	_object_attach @_;
648	} else {	865	} else {
649	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
650	}	867	}
		868	_recalc_want;
651	};	869	};
652		870
653	# all those should be optimised	871	# all those should be optimised
654	sub cf::attachable::detach {	872	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
659	reattach ($obj);	877	reattach ($obj);
660	} else {	878	} else {
661	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
662	}	880	}
		881	_recalc_want;
663	};	882	};
664		883
665	sub cf::attachable::attached {	884	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
667		886
…		…
682	";	901	";
683	die if $@;	902	die if $@;
684	}	903	}
685		904
686	our $override;	905	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		907
689	sub override {	908	sub override {
690	$override = 1;	909	$override = 1;
691	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
692	}	911	}
693		912
694	sub do_invoke {	913	sub do_invoke {
695	my $event = shift;	914	my $event = shift;
696	my $callbacks = shift;	915	my $callbacks = shift;
697		916
698	@invoke_results = ();	917	@INVOKE_RESULTS = ();
699		918
700	local $override;	919	local $override;
701		920
702	for (@$callbacks) {	921	for (@$callbacks) {
703	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
720		939
721	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
722		941
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		945
727	=back	946	=back
728		947
729	=cut	948	=cut
730		949
731	#############################################################################	950	#############################################################################
732	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
733		963
734	sub reattach {	964	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	966	my ($obj) = @_;
737		967
…		…
782	);	1012	);
783		1013
784	sub object_freezer_save {	1014	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
786		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
787	sync_job {	1019	sync_job {
788	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
791		1024
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
814	}	1047	}
815	} else {	1048	} else {
816	aio_unlink $filename;	1049	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
818	}	1051	}
819	}	1052	};
		1053
		1054	undef $guard;
820	}	1055	}
821		1056
822	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
824		1059
…		…
829		1064
830	sub object_thawer_load {	1065	sub object_thawer_load {
831	my ($filename) = @_;	1066	my ($filename) = @_;
832		1067
833	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
834		1071
835	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
836	or return;	1073	or return;
837		1074
838	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
840	or return;	1077	or return;
		1078
		1079	undef $guard;
841	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
842	}	1081	}
843		1082
		1083	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
846	return ($data, $av);	1087	($data, $av)
847	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
848		1095
849	#############################################################################	1096	#############################################################################
850	# command handling &c	1097	# command handling &c
851		1098
852	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1113	}
867		1114
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1116
870	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
871		1122
872	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
873	called.	1124	called.
874		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
875	=cut	1137	=cut
876		1138
877	sub register_extcmd {	1139	sub register_extcmd {
878	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
879		1141
880	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
881	}	1149	}
882		1150
883	cf::player->attach (	1151	cf::player->attach (
884	on_command => sub {	1152	on_command => sub {
885	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1162	cf::override;
895	},	1163	},
896	on_extcmd => sub {	1164	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
898		1166
899	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1168
901	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
907	} else {	1184	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1186	}
910		1187
911	cf::override;	1188	cf::override;
912	},	1189	},
913	);	1190	);
914		1191
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
950	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1197	next unless -r $path;
952	eval {	1198
953	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
954	1	1256	}
955	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
956	}	1262	};
957	}	1263	}
958		1264
959	#############################################################################	1265	#############################################################################
960		1266
		1267	=back
		1268
961	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
962		1270
963	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
964		1272
965	=cut	1273	=cut
…		…
969	use Coro::AIO;	1277	use Coro::AIO;
970		1278
971	=head3 cf::player	1279	=head3 cf::player
972		1280
973	=over 4	1281	=over 4
		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
974		1296
975	=item cf::player::find $login	1297	=item cf::player::find $login
976		1298
977	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
978		1300
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1339	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1340
1019	my $pl = load_pl path $login	1341	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1022	}	1350	}
1023	}	1351	}
1024	}	1352	}
1025		1353
…		…
1035		1363
1036	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1038		1366
1039	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1040	Coro::cede;	1368	cf::cede_to_tick;
1041	}	1369	}
1042		1370
1043	sub new($) {	1371	sub new($) {
1044	my ($login) = @_;	1372	my ($login) = @_;
1045		1373
…		…
1049	$self->{deny_save} = 1;	1377	$self->{deny_save} = 1;
1050		1378
1051	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1052		1380
1053	$self	1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
1054	}	1392	}
1055		1393
1056	=item $pl->quit_character	1394	=item $pl->quit_character
1057		1395
1058	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1451	or return [];
1114		1452
1115	my @logins;	1453	my @logins;
1116		1454
1117	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1121		1464
1122	utf8::decode $login;	1465	utf8::decode $login;
1123	push @logins, $login;	1466	push @logins, $login;
1124	}	1467	}
1125		1468
…		…
1152	}	1495	}
1153		1496
1154	\@paths	1497	\@paths
1155	}	1498	}
1156		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1157	=item $player->ext_reply ($msgid, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1158		1552
1159	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1160		1554
1161	=cut	1555	=cut
1162		1556
1163	sub ext_reply($$%) {	1557	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1165		1559
1166	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1561	}
1170		1562
1171	=item $player->ext_event ($type, %msg)	1563	=item $player->ext_msg ($type, @msg)
1172		1564
1173	Sends an ext event to the client.	1565	Sends an ext event to the client.
1174		1566
1175	=cut	1567	=cut
1176		1568
1177	sub ext_event($$%) {	1569	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1570	my ($self, $type, @msg) = @_;
1179		1571
1180	$self->ns->ext_event ($type, %msg);	1572	$self->ns->ext_msg ($type, @msg);
1181	}	1573	}
1182		1574
1183	=head3 cf::region	1575	=head3 cf::region
1184		1576
1185	=over 4	1577	=over 4
…		…
1188		1580
1189	package cf::region;	1581	package cf::region;
1190		1582
1191	=item cf::region::find_by_path $path	1583	=item cf::region::find_by_path $path
1192		1584
1193	Tries to decuce the probable region for a map knowing only its path.	1585	Tries to decuce the likely region for a map knowing only its path.
1194		1586
1195	=cut	1587	=cut
1196		1588
1197	sub find_by_path($) {	1589	sub find_by_path($) {
1198	my ($path) = @_;	1590	my ($path) = @_;
1199		1591
1200	my ($match, $specificity);	1592	my ($match, $specificity);
1201		1593
1202	for my $region (list) {	1594	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1595	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1596	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1597	if $region->specificity > $specificity;
1206	}	1598	}
1207	}	1599	}
1208		1600
…		…
1272	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1273		1665
1274	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1275	local $self->{path};	1667	local $self->{path};
1276	local $self->{load_path};	1668	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1669
1280	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1281	}	1671	}
1282		1672
1283	sub normalise {	1673	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1331	return $self;	1721	return $self;
1332	}	1722	}
1333	}	1723	}
1334		1724
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1726	()
1337	}	1727	}
1338		1728
1339	sub init {	1729	sub init {
1340	my ($self) = @_;	1730	my ($self) = @_;
…		…
1383		1773
1384	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1386	}	1776	}
1387		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1388	sub unlink_save {	1786	sub unlink_save {
1389	my ($self) = @_;	1787	my ($self) = @_;
1390		1788
1391	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1793
1396	sub load_header_from($) {	1794	sub load_header_from($) {
1397	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1398		1796
1399	utf8::encode $path;	1797	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1799	or return;
		1800
		1801	$self->_load_header ($f)
		1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1405		1806
1406	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1407		1808
1408	1	1809	1
1409	}	1810	}
…		…
1448	$self->load_header_orig	1849	$self->load_header_orig
1449	or return;	1850	or return;
1450	$self->prepare_orig;	1851	$self->prepare_orig;
1451	}	1852	}
1452		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
1453	$self->default_region (cf::region::find_by_path $self->{path})	1857	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1858	unless $self->default_region;
1455		1859
1456	1	1860	1
1457	}	1861	}
…		…
1460	sub find {	1864	sub find {
1461	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1462		1866
1463	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1464		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1466		1871
1467	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1469	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1470	or return;	1877	or return;
1471		1878
1472	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1473		1880
1474	$map->load_header	1881	$map->load_header
1475	or return;	1882	or return;
1476		1883
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1480	$map->reset;	1889	$map->reset;
1481	undef $guard;
1482	return find $path;	1890	return find $path;
1483	}	1891	}
1484		1892
1485	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1486	}	1894	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1496		1904
1497	my $path = $self->{path};	1905	my $path = $self->{path};
1498		1906
1499	{	1907	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1501		1909
		1910	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1912
1504	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1505		1914
1506	$self->alloc;	1915	$self->alloc;
1507		1916
1508	$self->pre_load;	1917	$self->pre_load;
1509	Coro::cede;	1918	cf::cede_to_tick;
1510		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1922	$self->_load_objects ($f)
1512	or return;	1923	or return;
1513		1924
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1926	if delete $self->{load_original};
1516		1927
1517	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1929	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1932	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1522	}	1936	}
1523	}	1937	}
1524		1938
1525	Coro::cede;	1939	$f->resolve_delayed_derefs;
		1940
		1941	cf::cede_to_tick;
1526	# now do the right thing for maps	1942	# now do the right thing for maps
1527	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1945	unless $self->difficulty;
1530	Coro::cede;	1946	cf::cede_to_tick;
1531		1947
1532	unless ($self->{deny_activate}) {	1948	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1949	$self->decay_objects;
1534	$self->fix_auto_apply;	1950	$self->fix_auto_apply;
1535	$self->update_buttons;	1951	$self->update_buttons;
1536	Coro::cede;	1952	cf::cede_to_tick;
1537	$self->set_darkness_map;	1953	$self->set_darkness_map;
1538	Coro::cede;	1954	cf::cede_to_tick;
1539	$self->activate;	1955	$self->activate;
1540	}	1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
1541		1960
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1962	}
1544		1963
1545	$self->post_load;	1964	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1550		1969
1551	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1971	if $self->per_player;
1553		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1554	$self	1976	$self
1555	}	1977	}
1556		1978
1557	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1980	sub load_neighbours {
1559	my ($map) = @_;	1981	my ($map) = @_;
1560		1982
1561	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1562		1984
1563	for (0 .. 3) {	1985	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1565	or next;	1987	or next;
1566	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1567	or next;	1989	or next;
1568	$neigh->load;	1990	$neigh->load;
1569		1991
		1992	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	1995	}
1573		1996
1574	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1576	or next;	2000	or next;
1577	$neigh->load;	2001	$neigh->load;
1578	}	2002	}
1579	}	2003	}
1580		2004
…		…
1585	}	2009	}
1586		2010
1587	sub do_load_sync {	2011	sub do_load_sync {
1588	my ($map) = @_;	2012	my ($map) = @_;
1589		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1590	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1591	}	2018	}
1592		2019
1593	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1595		2022
1596	sub find_async {	2023	sub find_async {
1597	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1598		2025
1599	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1600		2027
1601	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2030	}
1604		2031
1605	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1606	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1607	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2037	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2038	$map->load if $v;
		2039	}
1612		2040
1613	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1614	}	2042	}
1615	}	2043	}
1616	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1617	};	2045	};
1618	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2049	}
1622		2050
1623	sub save {	2051	sub save {
1624	my ($self) = @_;	2052	my ($self) = @_;
1625		2053
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2055
1628	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1629		2057
1630	return unless $self->dirty;	2058	return unless $self->dirty;
1631		2059
…		…
1654	my ($self) = @_;	2082	my ($self) = @_;
1655		2083
1656	# save first because save cedes	2084	# save first because save cedes
1657	$self->save;	2085	$self->save;
1658		2086
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2088
1661	return if $self->players;	2089	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2091	return if $self->{deny_save};
1664		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2097	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2098	}
1668		2099
1669	sub reset_at {	2100	sub reset_at {
1670	my ($self) = @_;	2101	my ($self) = @_;
1671		2102
1672	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1675		2105
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2108
…		…
1689	my ($self) = @_;	2119	my ($self) = @_;
1690		2120
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2122
1693	return if $self->players;	2123	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2124
1696	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1697		2126
1698	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1699		2128
1700	# need to save uniques path	2129	# need to save uniques path
1701	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2134	if $uniq;
1706	}	2135	}
1707		2136
1708	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1709		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2141	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2142
1714	$self->unlink_save;	2143	$self->unlink_save;
1715	$self->destroy;	2144	$self->destroy;
1716	}	2145	}
1717		2146
1718	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1719		2148
1720	sub nuke {	2149	sub nuke {
1721	my ($self) = @_;	2150	my ($self) = @_;
1722		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1723	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1724		2156
1725	$self->unlink_save;	2157	$self->unlink_save;
1726		2158
1727	bless $self, "cf::map";	2159	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2164
1733	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1734		2167
1735	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1736	}	2205	}
1737		2206
1738	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1739		2208
1740	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2210	instantiated unique items. May block.
1742		2211
1743	=cut	2212	=cut
1744		2213
1745	sub unique_maps() {	2214	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2215	[
1747	or return;	2216	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2217	utf8::decode $_;
1753	next if /\.pst$/;	2218	/\.map$/
1754	next unless /^$PATH_SEP/o;	2219	? normalise $_
1755		2220	: ()
1756	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2222	]
1758
1759	\@paths
1760	}	2223	}
1761		2224
1762	package cf;	2225	package cf;
1763		2226
1764	=back	2227	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1783	}	2246	}
1784		2247
1785	sub inv_recursive {	2248	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1787	}	2281	}
1788		2282
1789	package cf;	2283	package cf;
1790		2284
1791	=back	2285	=back
…		…
1810		2304
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2306
1813	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1815	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1818	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1819	}	2332	}
1820		2333
1821	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1822		2335
1823	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1871		2384
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2386
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1876		2389
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2391	}
1879		2392
1880	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1882		2397
1883	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1884		2399
1885	unless ($map) {	2400	unless ($map) {
1886	# restore original map position	2401	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1903		2418
1904	$map->load;	2419	$map->load;
1905	$map->load_diag;	2420	$map->load_neighbours;
1906		2421
1907	return unless $self->contr->active;	2422	return unless $self->contr->active;
1908	$self->activate_recursive;	2423	$self->activate_recursive;
1909		2424
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1912	}	2427	}
1913		2428
1914	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2430
1918	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1922	};	2435	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2436
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1949		2440
1950	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2446
1953	$self->enter_link;	2447	$self->enter_link;
1954		2448
1955	(async {	2449	(async {
1956	my $map = eval {	2450	my $map = eval {
1957	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
		2455	$map = $check->($map) if $check && $map;
		2456	} else {
		2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
		2459
1959	$map	2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2466	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1964	})->prio (1);	2474	})->prio (1);
1965	}	2475	}
1966		2476
1967	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1968		2478
…		…
2037	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
2039		2549
2040	$self->enter_link;	2550	$self->enter_link;
2041		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
		2555
2042	(async {	2556	(async {
2043	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2558	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
2046		2560
…		…
2073		2587
2074	utf8::encode $text;	2588	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2590	}
2077		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
2078	=item $client->ext_event ($type, %msg)	2673	=item $client->ext_msg ($type, @msg)
2079		2674
2080	Sends an exti event to the client.	2675	Sends an ext event to the client.
2081		2676
2082	=cut	2677	=cut
2083		2678
2084	sub cf::client::ext_event($$%) {	2679	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2680	my ($self, $type, @msg) = @_;
2086		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2685	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
2089	}	2706	}
2090		2707
2091	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
2092		2709
2093	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2713
2097	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2715	become reliable at some point in the future.
2099		2716
2100	=cut	2717	=cut
2101		2718
2102	sub cf::client::query {	2719	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2728	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2730
2114	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2116	}	2735	}
2117		2736
2118	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
2119	on_reply => sub {	2743	on_reply => sub {
2120	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2121		2745
2122	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2123	# get handled first	2747	# get handled first
…		…
2135	} else {	2759	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2761	}
2138	}	2762	}
2139	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
2140	);	2790	);
2141		2791
2142	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2143		2793
2144	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2187		2837
2188	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2189		2839
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2191		2845
2192	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2193		2847
2194	=pod	2848	=pod
2195		2849
2196	The following functions and methods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2197		2851
2198	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2199	cf::object::player player	2856	cf::object::player
2200	cf::player peaceful	2857	player
2201	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2202		2864
2203	=cut	2865	=cut
2204		2866
2205	for (	2867	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2210	) {	2874	) {
2211	no strict 'refs';	2875	no strict 'refs';
…		…
2282	=back	2946	=back
2283		2947
2284	=cut	2948	=cut
2285		2949
2286	#############################################################################	2950	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2951	# the server's init and main functions
2462		2952
2463	sub load_facedata($) {	2953	sub load_facedata($) {
2464	my ($path) = @_;	2954	my ($path) = @_;
		2955
		2956	# HACK to clear player env face cache, we need some signal framework
		2957	# for this (global event?)
		2958	%ext::player_env::MUSIC_FACE_CACHE = ();
		2959
		2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		2961
2466	warn "loading facedata from $path\n";	2962	warn "loading facedata from $path\n";
2467		2963
2468	my $facedata;	2964	my $facedata;
2469	0 < aio_load $path, $facedata	2965	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	2968	$facedata = Coro::Storable::thaw $facedata;
2473		2969
2474	$facedata->{version} == 2	2970	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		2972
		2973	# patch in the exptable
		2974	$facedata->{resource}{"res/exp_table"} = {
		2975	type => FT_RSRC,
		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2977	};
		2978	cf::cede_to_tick;
		2979
2477	{	2980	{
2478	my $faces = $facedata->{faceinfo};	2981	my $faces = $facedata->{faceinfo};
2479		2982
2480	while (my ($face, $info) = each %$faces) {	2983	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	2989
		2990	cf::cede_to_tick;
2486	}	2991	}
2487		2992
2488	while (my ($face, $info) = each %$faces) {	2993	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	2994	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	2995	my $idx = cf::face::find $face
2491	or next;	2996	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3000	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3002	}
2497	Coro::cede;	3003
		3004	cf::cede_to_tick;
2498	}	3005	}
2499	}	3006	}
2500		3007
2501	{	3008	{
2502	my $anims = $facedata->{animinfo};	3009	my $anims = $facedata->{animinfo};
2503		3010
2504	while (my ($anim, $info) = each %$anims) {	3011	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3013	cf::cede_to_tick;
2507	}	3014	}
2508		3015
2509	cf::anim::invalidate_all; # d'oh	3016	cf::anim::invalidate_all; # d'oh
2510	}	3017	}
2511		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
2512	1	3068	1
2513	}	3069	}
2514		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
2515	sub reload_regions {	3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
2516	load_resource_file "$MAPDIR/regions"	3084	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
2518	}	3091	}
2519		3092
2520	sub reload_facedata {	3093	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3094	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3095	or die "unable to load facedata\n";
2523	}	3096	}
2524		3097
2525	sub reload_archetypes {	3098	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3099	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
2528	}	3106	}
2529		3107
2530	sub reload_treasures {	3108	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3109	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3110	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3113	sub reload_resources {
2536	warn "reloading resource files...\n";	3114	warn "reloading resource files...\n";
2537		3115
2538	reload_regions;	3116	reload_regions;
2539	reload_facedata;	3117	reload_facedata;
		3118	#reload_archetypes;#d#
2540	reload_archetypes;	3119	reload_archetypes;
2541	reload_treasures;	3120	reload_treasures;
2542		3121
2543	warn "finished reloading resource files\n";	3122	warn "finished reloading resource files\n";
2544	}	3123	}
2545		3124
2546	sub init {	3125	sub init {
2547	reload_resources;	3126	reload_resources;
2548	}	3127	}
2549		3128
2550	sub cfg_load {	3129	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3131	or return;
2553		3132
2554	local $/;	3133	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
…		…
2575	(async {	3154	(async {
2576	Event::one_event;	3155	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2578	};	3157	};
2579		3158
2580	cfg_load;	3159	reload_config;
2581	db_init;	3160	db_init;
2582	load_extensions;	3161	load_extensions;
2583		3162
2584	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2585	Event::loop;	3164	Event::loop;
…		…
2601	},	3180	},
2602	);	3181	);
2603	}	3182	}
2604	}	3183	}
2605		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2606	sub emergency_save() {	3223	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2608		3225
2609	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2610		3227
…		…
2685	%EXT_CORO = ();	3302	%EXT_CORO = ();
2686		3303
2687	warn "removing commands";	3304	warn "removing commands";
2688	%COMMAND = ();	3305	%COMMAND = ();
2689		3306
2690	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2692		3310
2693	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2696		3314
…		…
2739	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2740	require cf;	3358	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3360
2743	warn "loading config and database again";	3361	warn "loading config and database again";
2744	cf::cfg_load;	3362	cf::reload_config;
2745		3363
2746	warn "loading extensions";	3364	warn "loading extensions";
2747	cf::load_extensions;	3365	cf::load_extensions;
2748		3366
2749	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
…		…
2814	my $signal = new Coro::Signal;	3432	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3433	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3434	$signal->wait;
2817	}	3435	}
2818		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2819	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2820	reentrant => 0,	3440	reentrant => 0,
2821	parked => 1,	3441	parked => 1,
2822	prio => 0,	3442	prio => 0,
2823	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2829	return;	3449	return;
2830	}	3450	}
2831		3451
2832	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2833		3453
2834	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
2835		3478
2836	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2838		3481
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2845	}	3488	}
2846		3489
2847	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2849		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2850	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3504
2853	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
2855		3507
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3508	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3510
2863	_post_tick;	3511	_post_tick;
		3512
		3513
2864	},	3514	},
2865	);	3515	);
2866		3516
2867	{	3517	{
2868	BDB::max_poll_time $TICK * 0.1;	3518	BDB::max_poll_time $TICK * 0.1;

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