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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 1.361 by root, Sun Sep 9 12:52:48 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
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
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.
		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.
154		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		204
180	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	206	# within the Safe compartment.
182	for my $pkg (qw(	207	for my $pkg (qw(
183	cf::global cf::attachable	208	cf::global cf::attachable
…		…
191	}	216	}
192		217
193	$Event::DIED = sub {	218	$Event::DIED = sub {
194	warn "error in event callback: @_";	219	warn "error in event callback: @_";
195	};	220	};
		221
		222	#############################################################################
196		223
197	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
198		225
199	=over 4	226	=over 4
200		227
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	247	$d
221	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
222	}	249	}
223		250
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
227		252
228	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
229		254
230	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
231		256
232	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
248	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
249		284
250	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
251		286
252	=cut	287	=cut
253		288
254	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
255		291
256	sub lock_wait($) {	292	sub lock_wait($) {
257	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
258		299
259	# wait for lock, if any	300	# wait for lock, if any
260	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	303	Coro::schedule;
…		…
268		309
269	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
270	lock_wait $key;	311	lock_wait $key;
271		312
272	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
273		315
274	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
277	}	320	}
278	}	321	}
279		322
…		…
291	};	334	};
292	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
293	$guard	336	$guard
294	}	337	}
295		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
296	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
297		396
298	Currently the same as Coro::async_pool, meaning you cannot use	397	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	398	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.	399	thing you are allowed to do is call C<prio> on it.
…		…
303		402
304	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
305		404
306	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
307		406
308	The design of crossfire+ requires that the main coro ($Coro::main) is	407	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	408	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.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
311		411
312	If it must be done, put the blocking parts into C<sync_job>. This will run	412	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	413	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	414	server will be frozen during this time, so the block should either finish
315	fast or be very important.	415	fast or be very important.
…		…
318		418
319	sub sync_job(&) {	419	sub sync_job(&) {
320	my ($job) = @_;	420	my ($job) = @_;
321		421
322	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
323	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
325		427
326	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
338		440
339	while ($busy) {	441	while ($busy) {
340	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
341	}	443	}
342		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
343	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
344	} else {	453	} else {
345	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
346		455
347	$job->()	456	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
367		476
368	$coro	477	$coro
369	}	478	}
370		479
371	sub write_runtime {	480	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		481
374	my $runtime = "$LOCALDIR/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
375		486
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
377	or return;
378		488
379	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		491
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
384	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
385		495
386	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	497	reset_signals;
388	and return;	498	&$cb
		499	}, @args;
389		500
390	close $fh	501	wantarray ? @res : $res[-1]
391	or return;	502	}
392		503
393	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
394	and return;
395		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
396	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
397	}	618	}
398		619
399	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
400		621
401	Log a datalog packet of the given type with the given key-value pairs.	622	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")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
421		642
422	In the following description, CLASS can be any of C<global>, C<object>	643	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	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	645	Crossfire TRT).
425		646
426	=over 4	647	=over 4
427		648
428	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
429		650
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
593		814
594	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		819
599	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	821	my $pkg = shift @arg;
601		822
602	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
632	}	853	}
633		854
634	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
635	} else {	856	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	858	}
638		859
639	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
640	}	861	}
641		862
…		…
643	if (ref $_[0]) {	864	if (ref $_[0]) {
644	_object_attach @_;	865	_object_attach @_;
645	} else {	866	} else {
646	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
647	}	868	}
		869	_recalc_want;
648	};	870	};
649		871
650	# all those should be optimised	872	# all those should be optimised
651	sub cf::attachable::detach {	873	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
656	reattach ($obj);	878	reattach ($obj);
657	} else {	879	} else {
658	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
659	}	881	}
		882	_recalc_want;
660	};	883	};
661		884
662	sub cf::attachable::attached {	885	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
664		887
…		…
679	";	902	";
680	die if $@;	903	die if $@;
681	}	904	}
682		905
683	our $override;	906	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		908
686	sub override {	909	sub override {
687	$override = 1;	910	$override = 1;
688	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
689	}	912	}
690		913
691	sub do_invoke {	914	sub do_invoke {
692	my $event = shift;	915	my $event = shift;
693	my $callbacks = shift;	916	my $callbacks = shift;
694		917
695	@invoke_results = ();	918	@INVOKE_RESULTS = ();
696		919
697	local $override;	920	local $override;
698		921
699	for (@$callbacks) {	922	for (@$callbacks) {
700	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
717		940
718	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
719		942
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	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	944	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		946
724	=back	947	=back
725		948
726	=cut	949	=cut
727		950
728	#############################################################################	951	#############################################################################
729	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
730		964
731	sub reattach {	965	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	967	my ($obj) = @_;
734		968
…		…
778	},	1012	},
779	);	1013	);
780		1014
781	sub object_freezer_save {	1015	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
783		1019
784	sync_job {	1020	sync_job {
785	if (length $$rdata) {	1021	if (length $$rdata) {
786	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
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
841	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
843	return ($data, $av);	1086	($data, $av)
844	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
845		1094
846	#############################################################################	1095	#############################################################################
847	# command handling &c	1096	# command handling &c
848		1097
849	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1112	}
864		1113
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1115
867	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
868		1121
869	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
870	called.	1123	called.
871		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
872	=cut	1136	=cut
873		1137
874	sub register_extcmd {	1138	sub register_extcmd {
875	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
876		1140
877	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
878	}	1148	}
879		1149
880	cf::player->attach (	1150	cf::player->attach (
881	on_command => sub {	1151	on_command => sub {
882	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1161	cf::override;
892	},	1162	},
893	on_extcmd => sub {	1163	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
895		1165
896	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1167
898	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
904	} else {	1183	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1185	}
907		1186
908	cf::override;	1187	cf::override;
909	},	1188	},
910	);	1189	);
911		1190
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 {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
947	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1196	next unless -r $path;
949	eval {	1197
950	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
951	1	1255	}
952	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
953	}	1261	};
954	}	1262	}
955		1263
956	#############################################################################	1264	#############################################################################
957		1265
		1266	=back
		1267
958	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
959		1269
960	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
961		1271
962	=cut	1272	=cut
…		…
966	use Coro::AIO;	1276	use Coro::AIO;
967		1277
968	=head3 cf::player	1278	=head3 cf::player
969		1279
970	=over 4	1280	=over 4
		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
971		1295
972	=item cf::player::find $login	1296	=item cf::player::find $login
973		1297
974	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
975		1299
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1338	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1339
1016	my $pl = load_pl path $login	1340	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1019	}	1349	}
1020	}	1350	}
1021	}	1351	}
1022		1352
…		…
1032		1362
1033	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1035		1365
1036	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1037	Coro::cede;	1367	cf::cede_to_tick;
1038	}	1368	}
1039		1369
1040	sub new($) {	1370	sub new($) {
1041	my ($login) = @_;	1371	my ($login) = @_;
1042		1372
…		…
1046	$self->{deny_save} = 1;	1376	$self->{deny_save} = 1;
1047		1377
1048	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1049		1379
1050	$self	1380	$self
		1381	}
		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
1051	}	1391	}
1052		1392
1053	=item $pl->quit_character	1393	=item $pl->quit_character
1054		1394
1055	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1450	or return [];
1111		1451
1112	my @logins;	1452	my @logins;
1113		1453
1114	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1118		1463
1119	utf8::decode $login;	1464	utf8::decode $login;
1120	push @logins, $login;	1465	push @logins, $login;
1121	}	1466	}
1122		1467
…		…
1149	}	1494	}
1150		1495
1151	\@paths	1496	\@paths
1152	}	1497	}
1153		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1154	=item $player->ext_reply ($msgid, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1155		1551
1156	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1157		1553
1158	=cut	1554	=cut
1159		1555
1160	sub ext_reply($$%) {	1556	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1162		1558
1163	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1560	}
1167		1561
1168	=item $player->ext_event ($type, %msg)	1562	=item $player->ext_msg ($type, @msg)
1169		1563
1170	Sends an ext event to the client.	1564	Sends an ext event to the client.
1171		1565
1172	=cut	1566	=cut
1173		1567
1174	sub ext_event($$%) {	1568	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1569	my ($self, $type, @msg) = @_;
1176		1570
1177	$self->ns->ext_event ($type, %msg);	1571	$self->ns->ext_msg ($type, @msg);
1178	}	1572	}
1179		1573
1180	=head3 cf::region	1574	=head3 cf::region
1181		1575
1182	=over 4	1576	=over 4
…		…
1185		1579
1186	package cf::region;	1580	package cf::region;
1187		1581
1188	=item cf::region::find_by_path $path	1582	=item cf::region::find_by_path $path
1189		1583
1190	Tries to decuce the probable region for a map knowing only its path.	1584	Tries to decuce the likely region for a map knowing only its path.
1191		1585
1192	=cut	1586	=cut
1193		1587
1194	sub find_by_path($) {	1588	sub find_by_path($) {
1195	my ($path) = @_;	1589	my ($path) = @_;
1196		1590
1197	my ($match, $specificity);	1591	my ($match, $specificity);
1198		1592
1199	for my $region (list) {	1593	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1594	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1595	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1596	if $region->specificity > $specificity;
1203	}	1597	}
1204	}	1598	}
1205		1599
…		…
1269	my ($self, $merge) = @_;	1663	my ($self, $merge) = @_;
1270		1664
1271	# we have to keep some variables in memory intact	1665	# we have to keep some variables in memory intact
1272	local $self->{path};	1666	local $self->{path};
1273	local $self->{load_path};	1667	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1668
1277	$self->SUPER::thawer_merge ($merge);	1669	$self->SUPER::thawer_merge ($merge);
1278	}	1670	}
1279		1671
1280	sub normalise {	1672	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1719	$self->init; # pass $1 etc.
1328	return $self;	1720	return $self;
1329	}	1721	}
1330	}	1722	}
1331		1723
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1725	()
1334	}	1726	}
1335		1727
1336	sub init {	1728	sub init {
1337	my ($self) = @_;	1729	my ($self) = @_;
…		…
1380		1772
1381	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1383	}	1775	}
1384		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
1385	sub unlink_save {	1785	sub unlink_save {
1386	my ($self) = @_;	1786	my ($self) = @_;
1387		1787
1388	utf8::encode (my $save = $self->save_path);	1788	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1792
1393	sub load_header_from($) {	1793	sub load_header_from($) {
1394	my ($self, $path) = @_;	1794	my ($self, $path) = @_;
1395		1795
1396	utf8::encode $path;	1796	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1798	or return;
		1799
		1800	$self->_load_header ($f)
		1801	or return;
		1802
		1803	local $MAP_LOADING{$self->{path}} = $self;
		1804	$f->resolve_delayed_derefs;
1402		1805
1403	$self->{load_path} = $path;	1806	$self->{load_path} = $path;
1404		1807
1405	1	1808	1
1406	}	1809	}
…		…
1445	$self->load_header_orig	1848	$self->load_header_orig
1446	or return;	1849	or return;
1447	$self->prepare_orig;	1850	$self->prepare_orig;
1448	}	1851	}
1449		1852
		1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
		1855
1450	$self->default_region (cf::region::find_by_path $self->{path})	1856	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1857	unless $self->default_region;
1452		1858
1453	1	1859	1
1454	}	1860	}
…		…
1457	sub find {	1863	sub find {
1458	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1459		1865
1460	$path = normalise $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1461		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1869	cf::lock_wait "map_find:$path";
1463		1870
1464	$cf::MAP{$path} || do {	1871	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1874
1466	my $map = new_from_path cf::map $path	1875	my $map = new_from_path cf::map $path
1467	or return;	1876	or return;
1468		1877
1469	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1470		1879
1471	$map->load_header	1880	$map->load_header
1472	or return;	1881	or return;
1473		1882
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1884	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1477	$map->reset;	1888	$map->reset;
1478	undef $guard;
1479	return find $path;	1889	return find $path;
1480	}	1890	}
1481		1891
1482	$cf::MAP{$path} = $map	1892	$cf::MAP{$path} = $map
1483	}	1893	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1902	local $self->{deny_reset} = 1; # loading can take a long time
1493		1903
1494	my $path = $self->{path};	1904	my $path = $self->{path};
1495		1905
1496	{	1906	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1907	my $guard = cf::lock_acquire "map_data:$path";
1498		1908
		1909	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1911
1501	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1502		1913
1503	$self->alloc;	1914	$self->alloc;
1504		1915
1505	$self->pre_load;	1916	$self->pre_load;
1506	Coro::cede;	1917	cf::cede_to_tick;
1507		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	1921	$self->_load_objects ($f)
1509	or return;	1922	or return;
1510		1923
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512	if delete $self->{load_original};	1925	if delete $self->{load_original};
1513		1926
1514	if (my $uniq = $self->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	1928	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	1931	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1519	}	1935	}
1520	}	1936	}
1521		1937
1522	Coro::cede;	1938	$f->resolve_delayed_derefs;
		1939
		1940	cf::cede_to_tick;
1523	# now do the right thing for maps	1941	# now do the right thing for maps
1524	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	1944	unless $self->difficulty;
1527	Coro::cede;	1945	cf::cede_to_tick;
1528		1946
1529	unless ($self->{deny_activate}) {	1947	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	1948	$self->decay_objects;
1531	$self->fix_auto_apply;	1949	$self->fix_auto_apply;
1532	$self->update_buttons;	1950	$self->update_buttons;
1533	Coro::cede;	1951	cf::cede_to_tick;
1534	$self->set_darkness_map;	1952	$self->set_darkness_map;
1535	Coro::cede;	1953	cf::cede_to_tick;
1536	$self->activate;	1954	$self->activate;
1537	}	1955	}
1538		1956
		1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1961	}
1543		1962
1544	$self->post_load;	1963	$self->post_load;
1545	}	1964	}
1546		1965
…		…
1548	my ($self, $ob) = @_;	1967	my ($self, $ob) = @_;
1549		1968
1550	return find "~" . $ob->name . "/" . $self->{path}	1969	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1970	if $self->per_player;
1552		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
1553	$self	1975	$self
1554	}	1976	}
1555		1977
1556	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1979	sub load_neighbours {
1558	my ($map) = @_;	1980	my ($map) = @_;
1559		1981
1560	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1561		1983
1562	for (0 .. 3) {	1984	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1564	or next;	1986	or next;
1565	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1566	or next;	1988	or next;
1567	$neigh->load;	1989	$neigh->load;
1568		1990
		1991	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	1994	}
1572		1995
1573	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1575	or next;	1999	or next;
1576	$neigh->load;	2000	$neigh->load;
1577	}	2001	}
1578	}	2002	}
1579		2003
…		…
1584	}	2008	}
1585		2009
1586	sub do_load_sync {	2010	sub do_load_sync {
1587	my ($map) = @_;	2011	my ($map) = @_;
1588		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1589	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1590	}	2017	}
1591		2018
1592	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2020	our $MAP_PREFETCHER = undef;
1594		2021
1595	sub find_async {	2022	sub find_async {
1596	my ($path, $origin) = @_;	2023	my ($path, $origin, $load) = @_;
1597		2024
1598	$path = normalise $path, $origin && $origin->{path};	2025	$path = normalise $path, $origin && $origin->{path};
1599		2026
1600	if (my $map = $cf::MAP{$path}) {	2027	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	2029	}
1603		2030
1604	undef $MAP_PREFETCH{$path};	2031	$MAP_PREFETCH{$path} |= $load;
		2032
1605	$MAP_PREFETCHER ||= cf::async {	2033	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2036	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2037	$map->load if $v;
		2038	}
1611		2039
1612	delete $MAP_PREFETCH{$path};	2040	delete $MAP_PREFETCH{$k};
1613	}	2041	}
1614	}	2042	}
1615	undef $MAP_PREFETCHER;	2043	undef $MAP_PREFETCHER;
1616	};	2044	};
1617	$MAP_PREFETCHER->prio (6);	2045	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2048	}
1621		2049
1622	sub save {	2050	sub save {
1623	my ($self) = @_;	2051	my ($self) = @_;
1624		2052
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2054
1627	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1628		2056
1629	return unless $self->dirty;	2057	return unless $self->dirty;
1630		2058
…		…
1653	my ($self) = @_;	2081	my ($self) = @_;
1654		2082
1655	# save first because save cedes	2083	# save first because save cedes
1656	$self->save;	2084	$self->save;
1657		2085
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2087
1660	return if $self->players;	2088	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};	2090	return if $self->{deny_save};
1663		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2096	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2097	}
1667		2098
1668	sub reset_at {	2099	sub reset_at {
1669	my ($self) = @_;	2100	my ($self) = @_;
1670		2101
1671	# TODO: safety, remove and allow resettable per-player maps	2102	# 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};	2103	return 1e99 if $self->{deny_reset};
1674		2104
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2107
…		…
1688	my ($self) = @_;	2118	my ($self) = @_;
1689		2119
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2121
1692	return if $self->players;	2122	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2123
1695	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
1696		2125
1697	$self->in_memory (cf::MAP_SWAPPED);	2126	$self->in_memory (cf::MAP_SWAPPED);
1698		2127
1699	# need to save uniques path	2128	# need to save uniques path
1700	unless ($self->{deny_save}) {	2129	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2133	if $uniq;
1705	}	2134	}
1706		2135
1707	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1708		2137
		2138	$self->deactivate;
		2139	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2140	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2141
1713	$self->unlink_save;	2142	$self->unlink_save;
1714	$self->destroy;	2143	$self->destroy;
1715	}	2144	}
1716		2145
1717	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1718		2147
1719	sub nuke {	2148	sub nuke {
1720	my ($self) = @_;	2149	my ($self) = @_;
1721		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
1722	delete $cf::MAP{$self->path};	2154	delete $cf::MAP{$self->path};
1723		2155
1724	$self->unlink_save;	2156	$self->unlink_save;
1725		2157
1726	bless $self, "cf::map";	2158	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2159	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2163
1732	$cf::MAP{$self->path} = $self;	2164	$cf::MAP{$self->path} = $self;
		2165	}
1733		2166
1734	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
		2168	}
		2169
		2170	=item $maps = cf::map::tmp_maps
		2171
		2172	Returns an arrayref with all map paths of currently instantiated and saved
		2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
		2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
		2187
		2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1735	}	2204	}
1736		2205
1737	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1738		2207
1739	Returns an arrayref of paths of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2209	instantiated unique items. May block.
1741		2210
1742	=cut	2211	=cut
1743		2212
1744	sub unique_maps() {	2213	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2214	[
1746	or return;	2215	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2216	utf8::decode $_;
1752	next if /\.pst$/;	2217	/\.map$/
1753	next unless /^$PATH_SEP/o;	2218	? normalise $_
1754		2219	: ()
1755	push @paths, cf::map::normalise $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2221	]
1757
1758	\@paths
1759	}	2222	}
1760		2223
1761	package cf;	2224	package cf;
1762		2225
1763	=back	2226	=back
…		…
1781	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1782	}	2245	}
1783		2246
1784	sub inv_recursive {	2247	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1786	}	2280	}
1787		2281
1788	package cf;	2282	package cf;
1789		2283
1790	=back	2284	=back
…		…
1809		2303
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2305
1812	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1814	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1817	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1818	}	2331	}
1819		2332
1820	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1821		2334
1822	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1870		2383
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2385
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1875		2388
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2390	}
1878		2391
1879	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1881		2396
1882	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1883		2398
1884	unless ($map) {	2399	unless ($map) {
1885	# restore original map position	2400	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1902		2417
1903	$map->load;	2418	$map->load;
1904	$map->load_diag;	2419	$map->load_neighbours;
1905		2420
1906	return unless $self->contr->active;	2421	return unless $self->contr->active;
1907	$self->activate_recursive;	2422	$self->activate_recursive;
1908		2423
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1911	}	2426	}
1912		2427
1913	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2429
1917	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1921	};	2434	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2435
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	2436	=cut
		2437
		2438	our $GOTOGEN;
1948		2439
1949	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
		2442
		2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2445
1952	$self->enter_link;	2446	$self->enter_link;
1953		2447
1954	(async {	2448	(async {
1955	my $map = eval {	2449	my $map = eval {
1956	my $map = cf::map::find $path;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
		2454	$map = $check->($map) if $check && $map;
		2455	} else {
		2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
		2458
1958	$map	2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2465	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1963	})->prio (1);	2473	})->prio (1);
1964	}	2474	}
1965		2475
1966	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1967		2477
…		…
2036	my $hp = $exit->stats->hp;	2546	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2547	my $sp = $exit->stats->sp;
2038		2548
2039	$self->enter_link;	2549	$self->enter_link;
2040		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
		2554
2041	(async {	2555	(async {
2042	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2557	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2558	$self->goto ($slaying, $hp, $sp);
2045		2559
…		…
2072		2586
2073	utf8::encode $text;	2587	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2589	}
2076		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
2077	=item $client->ext_event ($type, %msg)	2672	=item $client->ext_msg ($type, @msg)
2078		2673
2079	Sends an exti event to the client.	2674	Sends an ext event to the client.
2080		2675
2081	=cut	2676	=cut
2082		2677
2083	sub cf::client::ext_event($$%) {	2678	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2679	my ($self, $type, @msg) = @_;
2085		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2684	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
2088	}	2705	}
2089		2706
2090	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
2091		2708
2092	Queues a query to the client, calling the given callback with	2709	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>,	2710	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>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2712
2096	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2714	become reliable at some point in the future.
2098		2715
2099	=cut	2716	=cut
2100		2717
2101	sub cf::client::query {	2718	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2727	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2729
2113	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
2115	}	2734	}
2116		2735
2117	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
2118	on_reply => sub {	2742	on_reply => sub {
2119	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
2120		2744
2121	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
2122	# get handled first	2746	# get handled first
…		…
2134	} else {	2758	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2760	}
2137	}	2761	}
2138	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
2139	);	2789	);
2140		2790
2141	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
2142		2792
2143	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2186		2836
2187	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2188		2838
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2190		2844
2191	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2192		2846
2193	=pod	2847	=pod
2194		2848
2195	The following functions and methods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2196		2850
2197	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2198	cf::object::player player	2855	cf::object::player
2199	cf::player peaceful	2856	player
2200	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2201		2863
2202	=cut	2864	=cut
2203		2865
2204	for (	2866	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2206	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2209	) {	2873	) {
2210	no strict 'refs';	2874	no strict 'refs';
…		…
2281	=back	2945	=back
2282		2946
2283	=cut	2947	=cut
2284		2948
2285	#############################################################################	2949	#############################################################################
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 $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2950	# the server's init and main functions
2460		2951
2461	sub load_facedata($) {	2952	sub load_facedata($) {
2462	my ($path) = @_;	2953	my ($path) = @_;
		2954
		2955	# HACK to clear player env face cache, we need some signal framework
		2956	# for this (global event?)
		2957	%ext::player_env::MUSIC_FACE_CACHE = ();
		2958
		2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		2960
2464	warn "loading facedata from $path\n";	2961	warn "loading facedata from $path\n";
2465		2962
2466	my $facedata;	2963	my $facedata;
2467	0 < aio_load $path, $facedata	2964	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	2967	$facedata = Coro::Storable::thaw $facedata;
2471		2968
2472	$facedata->{version} == 2	2969	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		2971
		2972	# patch in the exptable
		2973	$facedata->{resource}{"res/exp_table"} = {
		2974	type => FT_RSRC,
		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2976	};
		2977	cf::cede_to_tick;
		2978
2475	{	2979	{
2476	my $faces = $facedata->{faceinfo};	2980	my $faces = $facedata->{faceinfo};
2477		2981
2478	while (my ($face, $info) = each %$faces) {	2982	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2984	cf::face::set_visibility $idx, $info->{visibility};
		2985	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	2988
		2989	cf::cede_to_tick;
2484	}	2990	}
2485		2991
2486	while (my ($face, $info) = each %$faces) {	2992	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	2993	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	2994	my $idx = cf::face::find $face
2489	or next;	2995	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	2999	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3001	}
2495	Coro::cede;	3002
		3003	cf::cede_to_tick;
2496	}	3004	}
2497	}	3005	}
2498		3006
2499	{	3007	{
2500	my $anims = $facedata->{animinfo};	3008	my $anims = $facedata->{animinfo};
2501		3009
2502	while (my ($anim, $info) = each %$anims) {	3010	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3012	cf::cede_to_tick;
2505	}	3013	}
2506		3014
2507	cf::anim::invalidate_all; # d'oh	3015	cf::anim::invalidate_all; # d'oh
2508	}	3016	}
2509		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
2510	1	3067	1
2511	}	3068	}
2512		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
2513	sub reload_regions {	3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
2514	load_resource_file "$MAPDIR/regions"	3083	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
2516	}	3090	}
2517		3091
2518	sub reload_facedata {	3092	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3093	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3094	or die "unable to load facedata\n";
2521	}	3095	}
2522		3096
2523	sub reload_archetypes {	3097	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3098	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
2526	}	3105	}
2527		3106
2528	sub reload_treasures {	3107	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3108	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3109	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	3112	sub reload_resources {
2534	warn "reloading resource files...\n";	3113	warn "reloading resource files...\n";
2535		3114
2536	reload_regions;	3115	reload_regions;
2537	reload_facedata;	3116	reload_facedata;
		3117	#reload_archetypes;#d#
2538	reload_archetypes;	3118	reload_archetypes;
2539	reload_treasures;	3119	reload_treasures;
2540		3120
2541	warn "finished reloading resource files\n";	3121	warn "finished reloading resource files\n";
2542	}	3122	}
2543		3123
2544	sub init {	3124	sub init {
2545	reload_resources;	3125	reload_resources;
2546	}	3126	}
2547		3127
2548	sub cfg_load {	3128	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3130	or return;
2551		3131
2552	local $/;	3132	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
…		…
2573	(async {	3153	(async {
2574	Event::one_event;	3154	Event::one_event;
2575	})->prio (Coro::PRIO_MAX);	3155	})->prio (Coro::PRIO_MAX);
2576	};	3156	};
2577		3157
2578	cfg_load;	3158	reload_config;
2579	db_init;	3159	db_init;
2580	load_extensions;	3160	load_extensions;
2581		3161
2582	$TICK_WATCHER->start;	3162	$TICK_WATCHER->start;
2583	Event::loop;	3163	Event::loop;
…		…
2599	},	3179	},
2600	);	3180	);
2601	}	3181	}
2602	}	3182	}
2603		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2604	sub emergency_save() {	3222	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2606		3224
2607	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2608		3226
…		…
2683	%EXT_CORO = ();	3301	%EXT_CORO = ();
2684		3302
2685	warn "removing commands";	3303	warn "removing commands";
2686	%COMMAND = ();	3304	%COMMAND = ();
2687		3305
2688	warn "removing ext commands";	3306	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2690		3309
2691	warn "unloading/nuking all extensions";	3310	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2694		3313
…		…
2737	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2738	require cf;	3357	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3359
2741	warn "loading config and database again";	3360	warn "loading config and database again";
2742	cf::cfg_load;	3361	cf::reload_config;
2743		3362
2744	warn "loading extensions";	3363	warn "loading extensions";
2745	cf::load_extensions;	3364	cf::load_extensions;
2746		3365
2747	warn "reattaching attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
…		…
2812	my $signal = new Coro::Signal;	3431	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3432	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3433	$signal->wait;
2815	}	3434	}
2816		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2817	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2818	reentrant => 0,	3439	reentrant => 0,
2819	parked => 1,	3440	parked => 1,
2820	prio => 0,	3441	prio => 0,
2821	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3447	unless ++$bug_warning > 10;
2827	return;	3448	return;
2828	}	3449	}
2829		3450
2830	$NOW = Event::time;	3451	$NOW = $tick_start = Event::time;
2831		3452
2832	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
2833		3477
2834	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2836		3480
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2843	}	3487	}
2844		3488
2845	# my $AFTER = Event::time;	3489	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#	3490	# warn $AFTER - $NOW;#d#
2847		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
		3500
2848	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3503
2851	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
2853		3506
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3507	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3509
2861	_post_tick;	3510	_post_tick;
		3511
		3512
2862	},	3513	},
2863	);	3514	);
2864		3515
2865	{	3516	{
2866	BDB::max_poll_time $TICK * 0.1;	3517	BDB::max_poll_time $TICK * 0.1;
…		…
2925	prio => 6,	3576	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3577	cb => \&IO::AIO::poll_cb,
2927	);	3578	);
2928	}	3579	}
2929		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
		3616	}
		3617	}
		3618
2930	# load additional modules	3619	# load additional modules
2931	use cf::pod;	3620	use cf::pod;
2932		3621
2933	END { cf::emergency_save }	3622	END { cf::emergency_save }
2934		3623

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