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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 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	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	486	=cut
377	or return;
378		487
379	my $value = $cf::RUNTIME + 90 + 10;	488	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	489	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		490
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	# we seemingly have to make a local copy of the whole thing,
384	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
385		494
386	# always fsync - this file is important	495	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	496	reset_signals;
388	and return;	497	&$cb
		498	}, @args;
389		499
390	close $fh	500	wantarray ? @res : $res[-1]
391	or return;	501	}
392		502
393	aio_rename "$runtime~", $runtime	503	=item $value = cf::db_get $family => $key
394	and return;
395		504
		505	Returns a single value from the environment database.
		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	};
396	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"
397	}	617	}
398		618
399	=item cf::datalog type => key => value, ...	619	=item cf::datalog type => key => value, ...
400		620
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
421		641
422	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>
423	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
424	crossfire+).	644	Crossfire TRT).
425		645
426	=over 4	646	=over 4
427		647
428	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
429		649
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
593		813
594	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		818
599	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	820	my $pkg = shift @arg;
601		821
602	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
632	}	852	}
633		853
634	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
635	} else {	855	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	857	}
638		858
639	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
640	}	860	}
641		861
…		…
643	if (ref $_[0]) {	863	if (ref $_[0]) {
644	_object_attach @_;	864	_object_attach @_;
645	} else {	865	} else {
646	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
647	}	867	}
		868	_recalc_want;
648	};	869	};
649		870
650	# all those should be optimised	871	# all those should be optimised
651	sub cf::attachable::detach {	872	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
656	reattach ($obj);	877	reattach ($obj);
657	} else {	878	} else {
658	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
659	}	880	}
		881	_recalc_want;
660	};	882	};
661		883
662	sub cf::attachable::attached {	884	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
664		886
…		…
679	";	901	";
680	die if $@;	902	die if $@;
681	}	903	}
682		904
683	our $override;	905	our $override;
684	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?
685		907
686	sub override {	908	sub override {
687	$override = 1;	909	$override = 1;
688	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
689	}	911	}
690		912
691	sub do_invoke {	913	sub do_invoke {
692	my $event = shift;	914	my $event = shift;
693	my $callbacks = shift;	915	my $callbacks = shift;
694		916
695	@invoke_results = ();	917	@INVOKE_RESULTS = ();
696		918
697	local $override;	919	local $override;
698		920
699	for (@$callbacks) {	921	for (@$callbacks) {
700	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
717		939
718	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
719		941
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		945
724	=back	946	=back
725		947
726	=cut	948	=cut
727		949
728	#############################################################################	950	#############################################################################
729	# 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	}
730		963
731	sub reattach {	964	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	966	my ($obj) = @_;
734		967
…		…
779	);	1012	);
780		1013
781	sub object_freezer_save {	1014	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
783		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
784	sync_job {	1019	sync_job {
785	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
788		1024
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
811	}	1047	}
812	} else {	1048	} else {
813	aio_unlink $filename;	1049	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
815	}	1051	}
816	}	1052	};
		1053
		1054	undef $guard;
817	}	1055	}
818		1056
819	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
821		1059
…		…
826		1064
827	sub object_thawer_load {	1065	sub object_thawer_load {
828	my ($filename) = @_;	1066	my ($filename) = @_;
829		1067
830	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
831		1071
832	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
833	or return;	1073	or return;
834		1074
835	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
837	or return;	1077	or return;
		1078
		1079	undef $guard;
838	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1081	}
840		1082
		1083	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
843	return ($data, $av);	1087	($data, $av)
844	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
845		1095
846	#############################################################################	1096	#############################################################################
847	# command handling &c	1097	# command handling &c
848		1098
849	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1113	}
864		1114
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1116
867	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.
868		1122
869	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
870	called.	1124	called.
871		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
872	=cut	1137	=cut
873		1138
874	sub register_extcmd {	1139	sub register_extcmd {
875	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
876		1141
877	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
878	}	1149	}
879		1150
880	cf::player->attach (	1151	cf::player->attach (
881	on_command => sub {	1152	on_command => sub {
882	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1162	cf::override;
892	},	1163	},
893	on_extcmd => sub {	1164	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
895		1166
896	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1168
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
904	} else {	1184	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1186	}
907		1187
908	cf::override;	1188	cf::override;
909	},	1189	},
910	);	1190	);
911		1191
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
947	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1197	next unless -r $path;
949	eval {	1198
950	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;
951	1	1256	}
952	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
953	}	1262	};
954	}	1263	}
955		1264
956	#############################################################################	1265	#############################################################################
957		1266
		1267	=back
		1268
958	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
959		1270
960	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
961		1272
962	=cut	1273	=cut
…		…
966	use Coro::AIO;	1277	use Coro::AIO;
967		1278
968	=head3 cf::player	1279	=head3 cf::player
969		1280
970	=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	}
971		1296
972	=item cf::player::find $login	1297	=item cf::player::find $login
973		1298
974	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
975		1300
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1339	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1340
1016	my $pl = load_pl path $login	1341	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1019	}	1350	}
1020	}	1351	}
1021	}	1352	}
1022		1353
…		…
1032		1363
1033	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1035		1366
1036	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1037	Coro::cede;	1368	cf::cede_to_tick;
1038	}	1369	}
1039		1370
1040	sub new($) {	1371	sub new($) {
1041	my ($login) = @_;	1372	my ($login) = @_;
1042		1373
…		…
1046	$self->{deny_save} = 1;	1377	$self->{deny_save} = 1;
1047		1378
1048	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1049		1380
1050	$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 (@_);
1051	}	1392	}
1052		1393
1053	=item $pl->quit_character	1394	=item $pl->quit_character
1054		1395
1055	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
…		…
1110	or return [];	1451	or return [];
1111		1452
1112	my @logins;	1453	my @logins;
1113		1454
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1118		1464
1119	utf8::decode $login;	1465	utf8::decode $login;
1120	push @logins, $login;	1466	push @logins, $login;
1121	}	1467	}
1122		1468
…		…
1149	}	1495	}
1150		1496
1151	\@paths	1497	\@paths
1152	}	1498	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1155		1552
1156	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1157		1554
1158	=cut	1555	=cut
1159		1556
1160	sub ext_reply($$%) {	1557	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1162		1559
1163	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1561	}
1167		1562
1168	=item $player->ext_event ($type, %msg)	1563	=item $player->ext_msg ($type, @msg)
1169		1564
1170	Sends an ext event to the client.	1565	Sends an ext event to the client.
1171		1566
1172	=cut	1567	=cut
1173		1568
1174	sub ext_event($$%) {	1569	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1570	my ($self, $type, @msg) = @_;
1176		1571
1177	$self->ns->ext_event ($type, %msg);	1572	$self->ns->ext_msg ($type, @msg);
1178	}	1573	}
1179		1574
1180	=head3 cf::region	1575	=head3 cf::region
1181		1576
1182	=over 4	1577	=over 4
…		…
1185		1580
1186	package cf::region;	1581	package cf::region;
1187		1582
1188	=item cf::region::find_by_path $path	1583	=item cf::region::find_by_path $path
1189		1584
1190	Tries to decuce the probable region for a map knowing only its path.	1585	Tries to decuce the likely region for a map knowing only its path.
1191		1586
1192	=cut	1587	=cut
1193		1588
1194	sub find_by_path($) {	1589	sub find_by_path($) {
1195	my ($path) = @_;	1590	my ($path) = @_;
1196		1591
1197	my ($match, $specificity);	1592	my ($match, $specificity);
1198		1593
1199	for my $region (list) {	1594	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1595	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1596	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1597	if $region->specificity > $specificity;
1203	}	1598	}
1204	}	1599	}
1205		1600
…		…
1269	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1270		1665
1271	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1272	local $self->{path};	1667	local $self->{path};
1273	local $self->{load_path};	1668	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1669
1277	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1278	}	1671	}
1279		1672
1280	sub normalise {	1673	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1328	return $self;	1721	return $self;
1329	}	1722	}
1330	}	1723	}
1331		1724
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1726	()
1334	}	1727	}
1335		1728
1336	sub init {	1729	sub init {
1337	my ($self) = @_;	1730	my ($self) = @_;
…		…
1380		1773
1381	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1383	}	1776	}
1384		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1385	sub unlink_save {	1786	sub unlink_save {
1386	my ($self) = @_;	1787	my ($self) = @_;
1387		1788
1388	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1793
1393	sub load_header_from($) {	1794	sub load_header_from($) {
1394	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1395		1796
1396	utf8::encode $path;	1797	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1806
1403	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1404		1808
1405	1	1809	1
1406	}	1810	}
…		…
1445	$self->load_header_orig	1849	$self->load_header_orig
1446	or return;	1850	or return;
1447	$self->prepare_orig;	1851	$self->prepare_orig;
1448	}	1852	}
1449		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
1450	$self->default_region (cf::region::find_by_path $self->{path})	1857	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1858	unless $self->default_region;
1452		1859
1453	1	1860	1
1454	}	1861	}
…		…
1457	sub find {	1864	sub find {
1458	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1459		1866
1460	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1461		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1463		1871
1464	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1465	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
1466	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1467	or return;	1877	or return;
1468		1878
1469	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1470		1880
1471	$map->load_header	1881	$map->load_header
1472	or return;	1882	or return;
1473		1883
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1477	$map->reset;	1889	$map->reset;
1478	undef $guard;
1479	return find $path;	1890	return find $path;
1480	}	1891	}
1481		1892
1482	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1483	}	1894	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1493		1904
1494	my $path = $self->{path};	1905	my $path = $self->{path};
1495		1906
1496	{	1907	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1498		1909
		1910	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1912
1501	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1502		1914
1503	$self->alloc;	1915	$self->alloc;
1504		1916
1505	$self->pre_load;	1917	$self->pre_load;
1506	Coro::cede;	1918	cf::cede_to_tick;
1507		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1922	$self->_load_objects ($f)
1509	or return;	1923	or return;
1510		1924
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1926	if delete $self->{load_original};
1513		1927
1514	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1929	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1932	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1519	}	1936	}
1520	}	1937	}
1521		1938
1522	Coro::cede;	1939	$f->resolve_delayed_derefs;
		1940
		1941	cf::cede_to_tick;
1523	# now do the right thing for maps	1942	# now do the right thing for maps
1524	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1945	unless $self->difficulty;
1527	Coro::cede;	1946	cf::cede_to_tick;
1528		1947
1529	unless ($self->{deny_activate}) {	1948	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1949	$self->decay_objects;
1531	$self->fix_auto_apply;	1950	$self->fix_auto_apply;
1532	$self->update_buttons;	1951	$self->update_buttons;
1533	Coro::cede;	1952	cf::cede_to_tick;
1534	$self->set_darkness_map;	1953	$self->set_darkness_map;
1535	Coro::cede;	1954	cf::cede_to_tick;
1536	$self->activate;	1955	$self->activate;
1537	}	1956	}
1538		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1962	}
1543		1963
1544	$self->post_load;	1964	$self->post_load;
1545	}	1965	}
1546		1966
…		…
1548	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1549		1969
1550	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1971	if $self->per_player;
1552		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1553	$self	1976	$self
1554	}	1977	}
1555		1978
1556	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1980	sub load_neighbours {
1558	my ($map) = @_;	1981	my ($map) = @_;
1559		1982
1560	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1561		1984
1562	for (0 .. 3) {	1985	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1564	or next;	1987	or next;
1565	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1566	or next;	1989	or next;
1567	$neigh->load;	1990	$neigh->load;
1568		1991
		1992	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	1995	}
1572		1996
1573	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1575	or next;	2000	or next;
1576	$neigh->load;	2001	$neigh->load;
1577	}	2002	}
1578	}	2003	}
1579		2004
…		…
1584	}	2009	}
1585		2010
1586	sub do_load_sync {	2011	sub do_load_sync {
1587	my ($map) = @_;	2012	my ($map) = @_;
1588		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1589	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1590	}	2018	}
1591		2019
1592	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1594		2022
1595	sub find_async {	2023	sub find_async {
1596	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1597		2025
1598	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1599		2027
1600	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2030	}
1603		2031
1604	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1605	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2037	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2038	$map->load if $v;
		2039	}
1611		2040
1612	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1613	}	2042	}
1614	}	2043	}
1615	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1616	};	2045	};
1617	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2049	}
1621		2050
1622	sub save {	2051	sub save {
1623	my ($self) = @_;	2052	my ($self) = @_;
1624		2053
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2055
1627	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1628		2057
1629	return unless $self->dirty;	2058	return unless $self->dirty;
1630		2059
…		…
1653	my ($self) = @_;	2082	my ($self) = @_;
1654		2083
1655	# save first because save cedes	2084	# save first because save cedes
1656	$self->save;	2085	$self->save;
1657		2086
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2088
1660	return if $self->players;	2089	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2091	return if $self->{deny_save};
1663		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2097	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2098	}
1667		2099
1668	sub reset_at {	2100	sub reset_at {
1669	my ($self) = @_;	2101	my ($self) = @_;
1670		2102
1671	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1674		2105
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2108
…		…
1688	my ($self) = @_;	2119	my ($self) = @_;
1689		2120
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2122
1692	return if $self->players;	2123	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2124
1695	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1696		2126
1697	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1698		2128
1699	# need to save uniques path	2129	# need to save uniques path
1700	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2134	if $uniq;
1705	}	2135	}
1706		2136
1707	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1708		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2141	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2142
1713	$self->unlink_save;	2143	$self->unlink_save;
1714	$self->destroy;	2144	$self->destroy;
1715	}	2145	}
1716		2146
1717	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1718		2148
1719	sub nuke {	2149	sub nuke {
1720	my ($self) = @_;	2150	my ($self) = @_;
1721		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1722	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1723		2156
1724	$self->unlink_save;	2157	$self->unlink_save;
1725		2158
1726	bless $self, "cf::map";	2159	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2164
1732	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1733		2167
1734	$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	]
1735	}	2205	}
1736		2206
1737	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1738		2208
1739	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2210	instantiated unique items. May block.
1741		2211
1742	=cut	2212	=cut
1743		2213
1744	sub unique_maps() {	2214	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2215	[
1746	or return;	2216	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2217	utf8::decode $_;
1752	next if /\.pst$/;	2218	/\.map$/
1753	next unless /^$PATH_SEP/o;	2219	? normalise $_
1754		2220	: ()
1755	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2222	]
1757
1758	\@paths
1759	}	2223	}
1760		2224
1761	package cf;	2225	package cf;
1762		2226
1763	=back	2227	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1782	}	2246	}
1783		2247
1784	sub inv_recursive {	2248	sub inv_recursive {
1785	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	}
1786	}	2281	}
1787		2282
1788	package cf;	2283	package cf;
1789		2284
1790	=back	2285	=back
…		…
1809		2304
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2306
1812	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1817	}	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 (@_);
1818	}	2332	}
1819		2333
1820	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1821		2335
1822	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1870		2384
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2386
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1875		2389
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2391	}
1878		2392
1879	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1881		2397
1882	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1883		2399
1884	unless ($map) {	2400	unless ($map) {
1885	# restore original map position	2401	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1902		2418
1903	$map->load;	2419	$map->load;
1904	$map->load_diag;	2420	$map->load_neighbours;
1905		2421
1906	return unless $self->contr->active;	2422	return unless $self->contr->active;
1907	$self->activate_recursive;	2423	$self->activate_recursive;
1908		2424
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1911	}	2427	}
1912		2428
1913	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2430
1917	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1921	};	2435	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2436
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1948		2440
1949	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1950	my ($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;
1951		2446
1952	$self->enter_link;	2447	$self->enter_link;
1953		2448
1954	(async {	2449	(async {
1955	my $map = eval {	2450	my $map = eval {
1956	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1957	$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
1958	$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 $@;
1959	} or	2466	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1963	})->prio (1);	2474	})->prio (1);
1964	}	2475	}
1965		2476
1966	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1967		2478
…		…
2036	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
2038		2549
2039	$self->enter_link;	2550	$self->enter_link;
2040		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
2041	(async {	2556	(async {
2042	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2558	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
2045		2560
…		…
2072		2587
2073	utf8::encode $text;	2588	utf8::encode $text;
2074	$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);
2075	}	2590	}
2076		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
2077	=item $client->ext_event ($type, %msg)	2673	=item $client->ext_msg ($type, @msg)
2078		2674
2079	Sends an exti event to the client.	2675	Sends an ext event to the client.
2080		2676
2081	=cut	2677	=cut
2082		2678
2083	sub cf::client::ext_event($$%) {	2679	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2680	my ($self, $type, @msg) = @_;
2085		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2685	push @msg, msgtype => "event_$type";
2087	$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	}
2088	}	2706	}
2089		2707
2090	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
2091		2709
2092	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
2093	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>,
2094	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>.
2095		2713
2096	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
2097	reliable at some point in the future.	2715	become reliable at some point in the future.
2098		2716
2099	=cut	2717	=cut
2100		2718
2101	sub cf::client::query {	2719	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2728	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2730
2113	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2115	}	2735	}
2116		2736
2117	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	},
2118	on_reply => sub {	2743	on_reply => sub {
2119	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2120		2745
2121	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2122	# get handled first	2747	# get handled first
…		…
2134	} else {	2759	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2761	}
2137	}	2762	}
2138	},	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	},
2139	);	2790	);
2140		2791
2141	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2142		2793
2143	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2186		2837
2187	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2188		2839
2189	$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	));
2190		2845
2191	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2192		2847
2193	=pod	2848	=pod
2194		2849
2195	The following functions and methods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2196		2851
2197	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
2198	cf::object::player player	2856	cf::object::player
2199	cf::player peaceful	2857	player
2200	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2201		2864
2202	=cut	2865	=cut
2203		2866
2204	for (	2867	for (
2205	["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)],
2206	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2209	) {	2874	) {
2210	no strict 'refs';	2875	no strict 'refs';
…		…
2281	=back	2946	=back
2282		2947
2283	=cut	2948	=cut
2284		2949
2285	#############################################################################	2950	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2951	# the server's init and main functions
2460		2952
2461	sub load_facedata($) {	2953	sub load_facedata($) {
2462	my ($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;
2463		2961
2464	warn "loading facedata from $path\n";	2962	warn "loading facedata from $path\n";
2465		2963
2466	my $facedata;	2964	my $facedata;
2467	0 < aio_load $path, $facedata	2965	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	2968	$facedata = Coro::Storable::thaw $facedata;
2471		2969
2472	$facedata->{version} == 2	2970	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		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
2475	{	2980	{
2476	my $faces = $facedata->{faceinfo};	2981	my $faces = $facedata->{faceinfo};
2477		2982
2478	while (my ($face, $info) = each %$faces) {	2983	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	2989
		2990	cf::cede_to_tick;
2484	}	2991	}
2485		2992
2486	while (my ($face, $info) = each %$faces) {	2993	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	2994	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	2995	my $idx = cf::face::find $face
2489	or next;	2996	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3000	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3002	}
2495	Coro::cede;	3003
		3004	cf::cede_to_tick;
2496	}	3005	}
2497	}	3006	}
2498		3007
2499	{	3008	{
2500	my $anims = $facedata->{animinfo};	3009	my $anims = $facedata->{animinfo};
2501		3010
2502	while (my ($anim, $info) = each %$anims) {	3011	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3013	cf::cede_to_tick;
2505	}	3014	}
2506		3015
2507	cf::anim::invalidate_all; # d'oh	3016	cf::anim::invalidate_all; # d'oh
2508	}	3017	}
2509		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 => $face;
		3064	}
		3065	}
		3066	}
		3067
2510	1	3068	1
2511	}	3069	}
2512		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
2513	sub reload_regions {	3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
2514	load_resource_file "$MAPDIR/regions"	3084	load_resource_file "$MAPDIR/regions"
2515	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 $_->{match};
		3090	}
2516	}	3091	}
2517		3092
2518	sub reload_facedata {	3093	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3094	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3095	or die "unable to load facedata\n";
2521	}	3096	}
2522		3097
2523	sub reload_archetypes {	3098	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3099	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
2526	}	3106	}
2527		3107
2528	sub reload_treasures {	3108	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3109	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3110	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3113	sub reload_resources {
2534	warn "reloading resource files...\n";	3114	warn "reloading resource files...\n";
2535		3115
2536	reload_regions;	3116	reload_regions;
2537	reload_facedata;	3117	reload_facedata;
		3118	#reload_archetypes;#d#
2538	reload_archetypes;	3119	reload_archetypes;
2539	reload_treasures;	3120	reload_treasures;
2540		3121
2541	warn "finished reloading resource files\n";	3122	warn "finished reloading resource files\n";
2542	}	3123	}
2543		3124
2544	sub init {	3125	sub init {
2545	reload_resources;	3126	reload_resources;
2546	}	3127	}
2547		3128
2548	sub cfg_load {	3129	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3131	or return;
2551		3132
2552	local $/;	3133	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
…		…
2573	(async {	3154	(async {
2574	Event::one_event;	3155	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2576	};	3157	};
2577		3158
2578	cfg_load;	3159	reload_config;
2579	db_init;	3160	db_init;
2580	load_extensions;	3161	load_extensions;
2581		3162
2582	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2583	Event::loop;	3164	Event::loop;
…		…
2599	},	3180	},
2600	);	3181	);
2601	}	3182	}
2602	}	3183	}
2603		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
2604	sub emergency_save() {	3223	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2606		3225
2607	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2608		3227
…		…
2683	%EXT_CORO = ();	3302	%EXT_CORO = ();
2684		3303
2685	warn "removing commands";	3304	warn "removing commands";
2686	%COMMAND = ();	3305	%COMMAND = ();
2687		3306
2688	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2690		3310
2691	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2694		3314
…		…
2737	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2738	require cf;	3358	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3360
2741	warn "loading config and database again";	3361	warn "loading config and database again";
2742	cf::cfg_load;	3362	cf::reload_config;
2743		3363
2744	warn "loading extensions";	3364	warn "loading extensions";
2745	cf::load_extensions;	3365	cf::load_extensions;
2746		3366
2747	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
…		…
2812	my $signal = new Coro::Signal;	3432	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3433	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3434	$signal->wait;
2815	}	3435	}
2816		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2817	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2818	reentrant => 0,	3440	reentrant => 0,
2819	parked => 1,	3441	parked => 1,
2820	prio => 0,	3442	prio => 0,
2821	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2827	return;	3449	return;
2828	}	3450	}
2829		3451
2830	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2831		3453
2832	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	};
2833		3478
2834	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2836		3481
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2843	}	3488	}
2844		3489
2845	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2847		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
2848	# 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
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3504
2851	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
2853		3507
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3508	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3510
2861	_post_tick;	3511	_post_tick;
		3512
		3513
2862	},	3514	},
2863	);	3515	);
2864		3516
2865	{	3517	{
2866	BDB::max_poll_time $TICK * 0.1;	3518	BDB::max_poll_time $TICK * 0.1;
…		…
2925	prio => 6,	3577	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3578	cb => \&IO::AIO::poll_cb,
2927	);	3579	);
2928	}	3580	}
2929		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
2930	# load additional modules	3620	# load additional modules
2931	use cf::pod;	3621	use cf::pod;
2932		3622
2933	END { cf::emergency_save }	3623	END { cf::emergency_save }
2934		3624

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