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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
326		415
327	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
356	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
357	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
358	}	454	}
359		455
360	$time = Event::time - $time;	456	$time = Event::time - $time;
361		457
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
390	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
391		487
392	$coro	488	$coro
393	}	489	}
394		490
395	sub write_runtime {	491	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		492
398	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
400		497
401	IO::AIO::aio_utime $runtime, undef, undef;	498	=cut
402		499
403	my $guard = cf::lock_acquire "write_runtime";	500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
404		502
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	503	# we seemingly have to make a local copy of the whole thing,
406	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
407		506
408	my $value = $cf::RUNTIME + 90 + 10;	507	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	508	reset_signals;
410	# 60 allows for the watchdog to kill the server.	509	&$cb
		510	}, @args;
411		511
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	512	wantarray ? @res : $res[-1]
413	and return;	513	}
414		514
415	# always fsync - this file is important	515	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		516
419	# touch it again to show we are up-to-date	517	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		518
422	close $fh	519	=item cf::db_put $family => $key => $value
423	or return;
424		520
425	aio_rename "$runtime~", $runtime	521	Stores the given C<$value> in the family. It can currently store binary
426	and return;	522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		523
428	warn "runtime file written.\n";#d#	524	=item $db = cf::db_table "name"
429		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
430	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
431	}	640	}
432		641
433	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
434		643
435	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
455		664
456	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	667	Crossfire TRT).
459		668
460	=over 4	669	=over 4
461		670
462	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
463		672
…		…
665	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
666	}	875	}
667		876
668	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
669	} else {	878	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	880	}
672		881
673	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
674	}	883	}
675		884
…		…
715	";	924	";
716	die if $@;	925	die if $@;
717	}	926	}
718		927
719	our $override;	928	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		930
722	sub override {	931	sub override {
723	$override = 1;	932	$override = 1;
724	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
725	}	934	}
726		935
727	sub do_invoke {	936	sub do_invoke {
728	my $event = shift;	937	my $event = shift;
729	my $callbacks = shift;	938	my $callbacks = shift;
730		939
731	@invoke_results = ();	940	@INVOKE_RESULTS = ();
732		941
733	local $override;	942	local $override;
734		943
735	for (@$callbacks) {	944	for (@$callbacks) {
736	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
753		962
754	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
755		964
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		968
760	=back	969	=back
761		970
762	=cut	971	=cut
763		972
764	#############################################################################	973	#############################################################################
765	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
766		1017
767	sub reattach {	1018	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1020	my ($obj) = @_;
770		1021
…		…
817	sub object_freezer_save {	1068	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
819		1070
820	sync_job {	1071	sync_job {
821	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
824		1076
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1081	close $fh;
830		1082
831	if (@$objs) {	1083	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1089	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
839	}	1091	}
…		…
847	}	1099	}
848	} else {	1100	} else {
849	aio_unlink $filename;	1101	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
851	}	1103	}
852	}	1104	};
853	}	1105	}
854		1106
855	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
857		1109
…		…
869	or return;	1121	or return;
870		1122
871	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
873	or return;	1125	or return;
874	$av = eval { (Storable::thaw $av)->{objs} };
875	}
876		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
879	return ($data, $av);	1136	($data, $av)
880	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
881		1144
882	#############################################################################	1145	#############################################################################
883	# command handling &c	1146	# command handling &c
884		1147
885	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1162	}
900		1163
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1165
903	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
904		1171
905	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
906	called.	1173	called.
907		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
908	=cut	1186	=cut
909		1187
910	sub register_extcmd {	1188	sub register_extcmd {
911	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
912		1190
913	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
914	}	1198	}
915		1199
916	cf::player->attach (	1200	cf::player->attach (
917	on_command => sub {	1201	on_command => sub {
918	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1211	cf::override;
928	},	1212	},
929	on_extcmd => sub {	1213	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
931		1215
932	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1217
934	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
940	} else {	1233	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1235	}
943		1236
944	cf::override;	1237	cf::override;
945	},	1238	},
946	);	1239	);
947		1240
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
983	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1246	next unless -r $path;
985	eval {	1247
986	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
987	1	1305	}
988	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
989	}	1311	};
990	}	1312	}
991		1313
992	#############################################################################	1314	#############################################################################
993		1315
		1316	=back
		1317
994	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
995		1319
996	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
997		1321
998	=cut	1322	=cut
…		…
1002	use Coro::AIO;	1326	use Coro::AIO;
1003		1327
1004	=head3 cf::player	1328	=head3 cf::player
1005		1329
1006	=over 4	1330	=over 4
		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
1007		1345
1008	=item cf::player::find $login	1346	=item cf::player::find $login
1009		1347
1010	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
1011		1349
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1388	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1389
1052	my $pl = load_pl path $login	1390	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1055	}	1398	}
1056	}	1399	}
1057	}	1400	}
1058		1401
…		…
1068		1411
1069	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1071		1414
1072	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1073	Coro::cede;	1416	cf::cede_to_tick;
1074	}	1417	}
1075		1418
1076	sub new($) {	1419	sub new($) {
1077	my ($login) = @_;	1420	my ($login) = @_;
1078		1421
…		…
1082	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1083		1426
1084	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1085		1428
1086	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1087	}	1440	}
1088		1441
1089	=item $pl->quit_character	1442	=item $pl->quit_character
1090		1443
1091	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1499	or return [];
1147		1500
1148	my @logins;	1501	my @logins;
1149		1502
1150	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1154		1512
1155	utf8::decode $login;	1513	utf8::decode $login;
1156	push @logins, $login;	1514	push @logins, $login;
1157	}	1515	}
1158		1516
…		…
1185	}	1543	}
1186		1544
1187	\@paths	1545	\@paths
1188	}	1546	}
1189		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1190	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1191		1600
1192	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1193		1602
1194	=cut	1603	=cut
1195		1604
1196	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1198		1607
1199	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1609	}
1203		1610
1204	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1205		1612
1206	Sends an ext event to the client.	1613	Sends an ext event to the client.
1207		1614
1208	=cut	1615	=cut
1209		1616
1210	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1212		1619
1213	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1214	}	1621	}
1215		1622
1216	=head3 cf::region	1623	=head3 cf::region
1217		1624
1218	=over 4	1625	=over 4
…		…
1221		1628
1222	package cf::region;	1629	package cf::region;
1223		1630
1224	=item cf::region::find_by_path $path	1631	=item cf::region::find_by_path $path
1225		1632
1226	Tries to decuce the probable region for a map knowing only its path.	1633	Tries to decuce the likely region for a map knowing only its path.
1227		1634
1228	=cut	1635	=cut
1229		1636
1230	sub find_by_path($) {	1637	sub find_by_path($) {
1231	my ($path) = @_;	1638	my ($path) = @_;
1232		1639
1233	my ($match, $specificity);	1640	my ($match, $specificity);
1234		1641
1235	for my $region (list) {	1642	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1643	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1644	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1645	if $region->specificity > $specificity;
1239	}	1646	}
1240	}	1647	}
1241		1648
…		…
1305	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1306		1713
1307	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1308	local $self->{path};	1715	local $self->{path};
1309	local $self->{load_path};	1716	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1717
1313	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1314	}	1719	}
1315		1720
1316	sub normalise {	1721	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1364	return $self;	1769	return $self;
1365	}	1770	}
1366	}	1771	}
1367		1772
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1774	()
1370	}	1775	}
1371		1776
1372	sub init {	1777	sub init {
1373	my ($self) = @_;	1778	my ($self) = @_;
…		…
1416		1821
1417	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1419	}	1824	}
1420		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1421	sub unlink_save {	1834	sub unlink_save {
1422	my ($self) = @_;	1835	my ($self) = @_;
1423		1836
1424	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1841
1429	sub load_header_from($) {	1842	sub load_header_from($) {
1430	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1431		1844
1432	utf8::encode $path;	1845	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1438		1854
1439	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1440		1856
1441	1	1857	1
1442	}	1858	}
…		…
1481	$self->load_header_orig	1897	$self->load_header_orig
1482	or return;	1898	or return;
1483	$self->prepare_orig;	1899	$self->prepare_orig;
1484	}	1900	}
1485		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
1486	$self->default_region (cf::region::find_by_path $self->{path})	1905	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1906	unless $self->default_region;
1488		1907
1489	1	1908	1
1490	}	1909	}
…		…
1493	sub find {	1912	sub find {
1494	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1495		1914
1496	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1497		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1499		1919
1500	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1502	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1503	or return;	1925	or return;
1504		1926
1505	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1506		1928
1507	$map->load_header	1929	$map->load_header
1508	or return;	1930	or return;
1509		1931
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1513	$map->reset;	1937	$map->reset;
1514	undef $guard;
1515	return find $path;	1938	return find $path;
1516	}	1939	}
1517		1940
1518	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1519	}	1942	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1529		1952
1530	my $path = $self->{path};	1953	my $path = $self->{path};
1531		1954
1532	{	1955	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1534		1957
		1958	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1960
1537	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1538		1962
1539	$self->alloc;	1963	$self->alloc;
1540		1964
1541	$self->pre_load;	1965	$self->pre_load;
1542	Coro::cede;	1966	cf::cede_to_tick;
1543		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	1970	$self->_load_objects ($f)
1545	or return;	1971	or return;
1546		1972
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	1974	if delete $self->{load_original};
1549		1975
1550	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	1977	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	1980	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1555	}	1984	}
1556	}	1985	}
1557		1986
1558	Coro::cede;	1987	$f->resolve_delayed_derefs;
		1988
		1989	cf::cede_to_tick;
1559	# now do the right thing for maps	1990	# now do the right thing for maps
1560	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	1993	unless $self->difficulty;
1563	Coro::cede;	1994	cf::cede_to_tick;
1564		1995
1565	unless ($self->{deny_activate}) {	1996	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	1997	$self->decay_objects;
1567	$self->fix_auto_apply;	1998	$self->fix_auto_apply;
1568	$self->update_buttons;	1999	$self->update_buttons;
1569	Coro::cede;	2000	cf::cede_to_tick;
1570	$self->set_darkness_map;	2001	$self->set_darkness_map;
1571	Coro::cede;	2002	cf::cede_to_tick;
1572	$self->activate;	2003	$self->activate;
1573	}	2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
1574		2008
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	2010	}
1577		2011
1578	$self->post_load;	2012	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1583		2017
1584	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2019	if $self->per_player;
1586		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1587	$self	2024	$self
1588	}	2025	}
1589		2026
1590	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2028	sub load_neighbours {
1592	my ($map) = @_;	2029	my ($map) = @_;
1593		2030
1594	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1595		2032
1596	for (0 .. 3) {	2033	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1598	or next;	2035	or next;
1599	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1600	or next;	2037	or next;
1601	$neigh->load;	2038	$neigh->load;
1602		2039
		2040	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2043	}
1606		2044
1607	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1609	or next;	2048	or next;
1610	$neigh->load;	2049	$neigh->load;
1611	}	2050	}
1612	}	2051	}
1613		2052
…		…
1618	}	2057	}
1619		2058
1620	sub do_load_sync {	2059	sub do_load_sync {
1621	my ($map) = @_;	2060	my ($map) = @_;
1622		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1623	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1624	}	2066	}
1625		2067
1626	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1628		2070
1629	sub find_async {	2071	sub find_async {
1630	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1631		2073
1632	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1633		2075
1634	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2078	}
1637		2079
1638	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1639	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1640	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2087	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2088	$map->load if $v;
		2089	}
1645		2090
1646	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1647	}	2092	}
1648	}	2093	}
1649	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1650	};	2095	};
1651	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2099	}
1655		2100
1656	sub save {	2101	sub save {
1657	my ($self) = @_;	2102	my ($self) = @_;
1658		2103
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2105
1661	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1662		2107
1663	return unless $self->dirty;	2108	return unless $self->dirty;
1664		2109
…		…
1670	return if $self->{deny_save};	2115	return if $self->{deny_save};
1671		2116
1672	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1673		2118
1674	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1676	};	2122	};
1677		2123
1678	if ($uniq) {	2124	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1687	my ($self) = @_;	2133	my ($self) = @_;
1688		2134
1689	# save first because save cedes	2135	# save first because save cedes
1690	$self->save;	2136	$self->save;
1691		2137
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2139
1694	return if $self->players;	2140	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2142	return if $self->{deny_save};
1697		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2148	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2149	}
1701		2150
1702	sub reset_at {	2151	sub reset_at {
1703	my ($self) = @_;	2152	my ($self) = @_;
1704		2153
1705	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1708		2156
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2159
…		…
1722	my ($self) = @_;	2170	my ($self) = @_;
1723		2171
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2173
1726	return if $self->players;	2174	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2175
1729	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1730		2177
1731	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1732		2179
1733	# need to save uniques path	2180	# need to save uniques path
1734	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2185	if $uniq;
1739	}	2186	}
1740		2187
1741	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1742		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2192	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2193
1747	$self->unlink_save;	2194	$self->unlink_save;
1748	$self->destroy;	2195	$self->destroy;
1749	}	2196	}
1750		2197
1751	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1752		2199
1753	sub nuke {	2200	sub nuke {
1754	my ($self) = @_;	2201	my ($self) = @_;
1755		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1756	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1757		2207
1758	$self->unlink_save;	2208	$self->unlink_save;
1759		2209
1760	bless $self, "cf::map";	2210	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2215
1766	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1767		2218
1768	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1769	}	2256	}
1770		2257
1771	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1772		2259
1773	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2261	instantiated unique items. May block.
1775		2262
1776	=cut	2263	=cut
1777		2264
1778	sub unique_maps() {	2265	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2266	[
1780	or return;	2267	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2268	utf8::decode $_;
1786	next if /\.pst$/;	2269	/\.map$/
1787	next unless /^$PATH_SEP/o;	2270	? normalise $_
1788		2271	: ()
1789	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2273	]
1791
1792	\@paths
1793	}	2274	}
1794		2275
1795	package cf;	2276	package cf;
1796		2277
1797	=back	2278	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1816	}	2297	}
1817		2298
1818	sub inv_recursive {	2299	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1820	}	2329	}
1821		2330
1822	package cf;	2331	package cf;
1823		2332
1824	=back	2333	=back
…		…
1843		2352
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2354
1846	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1848	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1851	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1852	}	2380	}
1853		2381
1854	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1855		2383
1856	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1938		2466
1939	$map->load;	2467	$map->load;
1940	$map->load_diag;	2468	$map->load_neighbours;
1941		2469
1942	return unless $self->contr->active;	2470	return unless $self->contr->active;
1943	$self->activate_recursive;	2471	$self->activate_recursive;
1944		2472
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1947	}	2475	}
1948		2476
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2478
1951	Moves the player to the given map-path and coordinates by first freezing	2479	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2480	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2481	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2482	the new (success) or old (failed) map position. In either case, $done will
		2483	be called at the end of this process.
1955		2484
1956	=cut	2485	=cut
1957		2486
1958	our $GOTOGEN;	2487	our $GOTOGEN;
1959		2488
1960	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2491
1963	# do generation counting so two concurrent goto's will be executed in-order	2492	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2494
1966	$self->enter_link;	2495	$self->enter_link;
1967		2496
1968	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1969	my $map = eval {	2519	my $map = eval {
1970	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
1971		2521
1972	if ($map) {	2522	if ($map) {
1973	$map = $map->customise_for ($self);	2523	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2524	$map = $check->($map) if $check && $map;
1975	} else {	2525	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2527	}
1978		2528
1979	$map	2529	$map
1980	};	2530	};
1981		2531
…		…
1986		2536
1987	if ($gen == $self->{_goto_generation}) {	2537	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2538	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
1990	}	2540	}
		2541
		2542	$done->() if $done;
1991	})->prio (1);	2543	})->prio (1);
1992	}	2544	}
1993		2545
1994	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1995		2547
…		…
2064	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
2066		2618
2067	$self->enter_link;	2619	$self->enter_link;
2068		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
2069	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
2070	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2629	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
2073		2631
2074	1;	2632	1;
…		…
2100		2658
2101	utf8::encode $text;	2659	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2661	}
2104		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2105	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2106		2757
2107	Sends an exti event to the client.	2758	Sends an ext event to the client.
2108		2759
2109	=cut	2760	=cut
2110		2761
2111	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2113		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2116	}	2789	}
2117		2790
2118	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2119		2792
2120	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2796
2124	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2798	become reliable at some point in the future.
2126		2799
2127	=cut	2800	=cut
2128		2801
2129	sub cf::client::query {	2802	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2811	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2813
2141	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2143	}	2818	}
2144		2819
2145	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2146	on_reply => sub {	2826	on_reply => sub {
2147	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2148		2828
2149	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2150	# get handled first	2830	# get handled first
…		…
2162	} else {	2842	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2844	}
2165	}	2845	}
2166	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2167	);	2873	);
2168		2874
2169	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2170		2876
2171	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2214		2920
2215	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2216		2922
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2218		2928
2219	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2220		2930
2221	=pod	2931	=pod
2222		2932
2223	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2224		2934
2225	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2226	cf::object::player player	2939	cf::object::player
2227	cf::player peaceful	2940	player
2228	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2229		2947
2230	=cut	2948	=cut
2231		2949
2232	for (	2950	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2234	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2237	) {	2957	) {
2238	no strict 'refs';	2958	no strict 'refs';
…		…
2309	=back	3029	=back
2310		3030
2311	=cut	3031	=cut
2312		3032
2313	#############################################################################	3033	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3034	# the server's init and main functions
2487		3035
2488	sub load_facedata($) {	3036	sub load_facedata($) {
2489	my ($path) = @_;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3044
2491	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2492		3046
2493	my $facedata;	3047	my $facedata;
2494	0 < aio_load $path, $facedata	3048	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3051	$facedata = Coro::Storable::thaw $facedata;
2498		3052
2499	$facedata->{version} == 2	3053	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
2502	{	3063	{
2503	my $faces = $facedata->{faceinfo};	3064	my $faces = $facedata->{faceinfo};
2504		3065
2505	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3072
		3073	cf::cede_to_tick;
2511	}	3074	}
2512		3075
2513	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3077	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2516	or next;	3079	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3083	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3085	}
2522	Coro::cede;	3086
		3087	cf::cede_to_tick;
2523	}	3088	}
2524	}	3089	}
2525		3090
2526	{	3091	{
2527	my $anims = $facedata->{animinfo};	3092	my $anims = $facedata->{animinfo};
2528		3093
2529	while (my ($anim, $info) = each %$anims) {	3094	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3096	cf::cede_to_tick;
2532	}	3097	}
2533		3098
2534	cf::anim::invalidate_all; # d'oh	3099	cf::anim::invalidate_all; # d'oh
2535	}	3100	}
2536		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
2537	1	3151	1
2538	}	3152	}
2539		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
2540	sub reload_regions {	3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
2541	load_resource_file "$MAPDIR/regions"	3167	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
2543	}	3174	}
2544		3175
2545	sub reload_facedata {	3176	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3177	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3178	or die "unable to load facedata\n";
2548	}	3179	}
2549		3180
2550	sub reload_archetypes {	3181	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3182	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
2553	}	3189	}
2554		3190
2555	sub reload_treasures {	3191	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3192	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3193	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	3196	sub reload_resources {
2561	warn "reloading resource files...\n";	3197	warn "reloading resource files...\n";
2562		3198
2563	reload_regions;	3199	reload_regions;
2564	reload_facedata;	3200	reload_facedata;
		3201	#reload_archetypes;#d#
2565	reload_archetypes;	3202	reload_archetypes;
2566	reload_treasures;	3203	reload_treasures;
2567		3204
2568	warn "finished reloading resource files\n";	3205	warn "finished reloading resource files\n";
2569	}	3206	}
2570		3207
2571	sub init {	3208	sub init {
2572	reload_resources;	3209	reload_resources;
2573	}	3210	}
2574		3211
2575	sub cfg_load {	3212	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3214	or return;
2578		3215
2579	local $/;	3216	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
…		…
2596	sub main {	3233	sub main {
2597	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2601	Event::one_event;	3239	Event::one_event;
2602	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2603	};	3241	};
2604		3242
2605	cfg_load;	3243	reload_config;
2606	db_init;	3244	db_init;
2607	load_extensions;	3245	load_extensions;
2608		3246
2609	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2610	Event::loop;	3248	Event::loop;
…		…
2626	},	3264	},
2627	);	3265	);
2628	}	3266	}
2629	}	3267	}
2630		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2631	sub emergency_save() {	3307	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2633		3309
2634	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2635		3311
…		…
2639	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3321	$pl->save;
2645	}	3322	}
2646	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2647		3324
2648	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2696		3373
2697	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2698	for (;;) {	3375	for (;;) {
2699	BDB::flush;	3376	BDB::flush;
2700	IO::AIO::flush;	3377	IO::AIO::flush;
2701	Coro::cede;	3378	Coro::cede_notself;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";	3380	warn "iterate...";
2704	}	3381	}
2705		3382
2706	++$RELOAD;	3383	++$RELOAD;
…		…
2710	%EXT_CORO = ();	3387	%EXT_CORO = ();
2711		3388
2712	warn "removing commands";	3389	warn "removing commands";
2713	%COMMAND = ();	3390	%COMMAND = ();
2714		3391
2715	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2717		3395
2718	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2721		3399
…		…
2764	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2765	require cf;	3443	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3445
2768	warn "loading config and database again";	3446	warn "loading config and database again";
2769	cf::cfg_load;	3447	cf::reload_config;
2770		3448
2771	warn "loading extensions";	3449	warn "loading extensions";
2772	cf::load_extensions;	3450	cf::load_extensions;
2773		3451
2774	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2810	register_command "reload" => sub {	3488	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2812		3490
2813	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3495	reload_perl;
		3496	};
2816	}	3497	}
2817	};	3498	};
2818		3499
2819	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2820		3501
…		…
2839	my $signal = new Coro::Signal;	3520	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3521	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3522	$signal->wait;
2842	}	3523	}
2843		3524
2844	my $min = 1e6;#d#
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,	3526	reentrant => 0,
2848	parked => 1,	3527	parked => 1,
2849	prio => 0,	3528	prio => 0,
2850	at => $NEXT_TICK || $TICK,	3529	at => $NEXT_TICK || $TICK,
…		…
2858		3537
2859	$NOW = $tick_start = Event::time;	3538	$NOW = $tick_start = Event::time;
2860		3539
2861	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
2862		3541
2863	0 && sync_job {#d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};
2885
2886	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2888		3544
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2892	write_runtime	3549	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2894	};	3551	};
2895	}	3552	}
2896		3553
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3555	$sig->send;
2902	}	3556	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3557	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3558	$sig->send;
…		…
2914		3568
2915	$LOAD = ($NOW - $tick_start) / $TICK;	3569	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3571
2918	_post_tick;	3572	_post_tick;
2919
2920
2921	},	3573	},
2922	);	3574	);
2923		3575
2924	{	3576	{
		3577	BDB::min_parallel 8;
2925	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2926	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2927	reentrant => 0,	3580	reentrant => 0,
2928	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2929	poll => 'r',	3582	poll => 'r',
2930	prio => 0,	3583	prio => 0,
2931	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2933	);	3586	);
2934	BDB::min_parallel 8;
2935		3587
2936	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2937	my $status;	3589	my $status;
2938	my $current = $Coro::current;	3590	my $current = $Coro::current;
2939	(	3591	(
…		…
2948	)	3600	)
2949	};	3601	};
2950		3602
2951	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3609
2954	cf::sync_job {	3610	cf::sync_job {
2955	eval {	3611	eval {
2956	BDB::db_env_open	3612	BDB::db_env_open
2957	$DB_ENV,	3613	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3617	0666;
2962		3618
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3620	};
2968		3621
2969	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3623	};
2971	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2972	}	3656	}
2973		3657
2974	{	3658	{
2975	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2976		3660
…		…
2979	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2980	reentrant => 0,	3664	reentrant => 0,
2981	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2983	poll => 'r',	3667	poll => 'r',
2984	prio => 6,	3668	prio => 0,
2985	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2986	);	3670	);
2987	}	3671	}
2988		3672
2989	my $_log_backtrace;	3673	my $_log_backtrace;
…		…
2995		3679
2996	# limit the # of concurrent backtraces	3680	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3681	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3682	++$_log_backtrace;
2999	async {	3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
3000	my @bt = fork_call {	3686	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3687	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3690	or die "addr2line: $!";

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