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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.393 by root, Fri Oct 26 04:47:00 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';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$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;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	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]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	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
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($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#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		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
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	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
314	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.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	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)
323	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
324	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.
325		415
326	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
327	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
328	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
329	fast or be very important.	419	fast or be very important.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
342	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	435	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
345		437
346	my $busy = 1;	438	my $busy = 1;
347	my @res;	439	my @res;
348		440
349	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	443	@res = eval { $job->() };
351	warn $@ if $@;	444	warn $@ if $@;
352	undef $busy;	445	undef $busy;
353	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
354		447
355	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
356	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
357	}	454	}
358		455
359	$time = Event::time - $time;	456	$time = Event::time - $time;
360		457
361	LOG llevError | logBacktrace, "long sync job\n"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		460
364	$tick_start += $time; # do not account sync jobs to server load	461	$tick_start += $time; # do not account sync jobs to server load
365		462
366	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
367	} else {	464	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
390		487
391	$coro	488	$coro
392	}	489	}
393		490
394	sub write_runtime {	491	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		492
397	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
398	# 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.
399		497
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	498	=cut
401	utime undef, undef, $fh;	499
		500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
		502
		503	# we seemingly have to make a local copy of the whole thing,
		504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
		506
		507	my @res = Coro::Util::fork_eval {
		508	reset_signals;
		509	&$cb
		510	}, @args;
		511
		512	wantarray ? @res : $res[-1]
		513	}
		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		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 $!;
402	}	542	};
		543	cf::cleanup "db_open(db): $@" if $@;
403		544
404	my $guard = cf::lock_acquire "write_runtime";	545	$db
		546	}
405		547
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	our $DB;
407	or return;
408		549
409	my $value = $cf::RUNTIME + 90 + 10;	550	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	551	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	552	$DB ||= db_table "db";
		553	};
		554	}
412		555
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	556	sub db_get($$) {
414	and return;	557	my $key = "$_[0]/$_[1]";
415		558
416	# always fsync - this file is important	559	cf::sync_job {
417	aio_fsync $fh	560	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		561
420	# touch it again to show we are up-to-date	562	$! ? ()
421	utime undef, undef, $fh;	563	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	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"
432	}	640	}
433		641
434	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
435		643
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
456		664
457	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>
458	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
459	crossfire+).	667	Crossfire TRT).
460		668
461	=over 4	669	=over 4
462		670
463	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
464		672
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
628		836
629	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		841
634	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	843	my $pkg = shift @arg;
636		844
637	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
667	}	875	}
668		876
669	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
670	} else {	878	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	880	}
673		881
674	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
675	}	883	}
676		884
…		…
678	if (ref $_[0]) {	886	if (ref $_[0]) {
679	_object_attach @_;	887	_object_attach @_;
680	} else {	888	} else {
681	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
682	}	890	}
		891	_recalc_want;
683	};	892	};
684		893
685	# all those should be optimised	894	# all those should be optimised
686	sub cf::attachable::detach {	895	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
691	reattach ($obj);	900	reattach ($obj);
692	} else {	901	} else {
693	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
694	}	903	}
		904	_recalc_want;
695	};	905	};
696		906
697	sub cf::attachable::attached {	907	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
699		909
…		…
714	";	924	";
715	die if $@;	925	die if $@;
716	}	926	}
717		927
718	our $override;	928	our $override;
719	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?
720		930
721	sub override {	931	sub override {
722	$override = 1;	932	$override = 1;
723	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
724	}	934	}
725		935
726	sub do_invoke {	936	sub do_invoke {
727	my $event = shift;	937	my $event = shift;
728	my $callbacks = shift;	938	my $callbacks = shift;
729		939
730	@invoke_results = ();	940	@INVOKE_RESULTS = ();
731		941
732	local $override;	942	local $override;
733		943
734	for (@$callbacks) {	944	for (@$callbacks) {
735	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
752		962
753	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
754		964
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		968
759	=back	969	=back
760		970
761	=cut	971	=cut
762		972
763	#############################################################################	973	#############################################################################
764	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
765		1017
766	sub reattach {	1018	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1020	my ($obj) = @_;
769		1021
…		…
816	sub object_freezer_save {	1068	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
818		1070
819	sync_job {	1071	sync_job {
820	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
823		1076
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1081	close $fh;
829		1082
830	if (@$objs) {	1083	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1089	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
838	}	1091	}
…		…
846	}	1099	}
847	} else {	1100	} else {
848	aio_unlink $filename;	1101	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
850	}	1103	}
851	}	1104	};
852	}	1105	}
853		1106
854	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
856		1109
…		…
868	or return;	1121	or return;
869		1122
870	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
872	or return;	1125	or return;
		1126
873	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
874	}	1129	}
875		1130
		1131	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
878	return ($data, $av);	1135	($data, $av)
879	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
880		1143
881	#############################################################################	1144	#############################################################################
882	# command handling &c	1145	# command handling &c
883		1146
884	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1161	}
899		1162
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1164
902	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
903		1170
904	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
905	called.	1172	called.
906		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
907	=cut	1185	=cut
908		1186
909	sub register_extcmd {	1187	sub register_extcmd {
910	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
911		1189
912	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
913	}	1197	}
914		1198
915	cf::player->attach (	1199	cf::player->attach (
916	on_command => sub {	1200	on_command => sub {
917	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1210	cf::override;
927	},	1211	},
928	on_extcmd => sub {	1212	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
930		1214
931	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1216
933	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
939	} else {	1232	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1234	}
942		1235
943	cf::override;	1236	cf::override;
944	},	1237	},
945	);	1238	);
946		1239
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
982	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1245	next unless -r $path;
984	eval {	1246
985	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
986	1	1304	}
987	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
988	}	1310	};
989	}	1311	}
990		1312
991	#############################################################################	1313	#############################################################################
992		1314
		1315	=back
		1316
993	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
994		1318
995	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
996		1320
997	=cut	1321	=cut
…		…
1001	use Coro::AIO;	1325	use Coro::AIO;
1002		1326
1003	=head3 cf::player	1327	=head3 cf::player
1004		1328
1005	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1006		1344
1007	=item cf::player::find $login	1345	=item cf::player::find $login
1008		1346
1009	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1010		1348
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1388
1051	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1054	}	1397	}
1055	}	1398	}
1056	}	1399	}
1057		1400
…		…
1067		1410
1068	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1070		1413
1071	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1072	Coro::cede;	1415	cf::cede_to_tick;
1073	}	1416	}
1074		1417
1075	sub new($) {	1418	sub new($) {
1076	my ($login) = @_;	1419	my ($login) = @_;
1077		1420
…		…
1081	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1082		1425
1083	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1084		1427
1085	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1086	}	1439	}
1087		1440
1088	=item $pl->quit_character	1441	=item $pl->quit_character
1089		1442
1090	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1498	or return [];
1146		1499
1147	my @logins;	1500	my @logins;
1148		1501
1149	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1153		1511
1154	utf8::decode $login;	1512	utf8::decode $login;
1155	push @logins, $login;	1513	push @logins, $login;
1156	}	1514	}
1157		1515
…		…
1184	}	1542	}
1185		1543
1186	\@paths	1544	\@paths
1187	}	1545	}
1188		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1189	=item $player->ext_reply ($msgid, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1190		1641
1191	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1192		1643
1193	=cut	1644	=cut
1194		1645
1195	sub ext_reply($$%) {	1646	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1197		1648
1198	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1650	}
1202		1651
1203	=item $player->ext_event ($type, %msg)	1652	=item $player->ext_msg ($type, @msg)
1204		1653
1205	Sends an ext event to the client.	1654	Sends an ext event to the client.
1206		1655
1207	=cut	1656	=cut
1208		1657
1209	sub ext_event($$%) {	1658	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1659	my ($self, $type, @msg) = @_;
1211		1660
1212	$self->ns->ext_event ($type, %msg);	1661	$self->ns->ext_msg ($type, @msg);
1213	}	1662	}
1214		1663
1215	=head3 cf::region	1664	=head3 cf::region
1216		1665
1217	=over 4	1666	=over 4
…		…
1220		1669
1221	package cf::region;	1670	package cf::region;
1222		1671
1223	=item cf::region::find_by_path $path	1672	=item cf::region::find_by_path $path
1224		1673
1225	Tries to decuce the probable region for a map knowing only its path.	1674	Tries to decuce the likely region for a map knowing only its path.
1226		1675
1227	=cut	1676	=cut
1228		1677
1229	sub find_by_path($) {	1678	sub find_by_path($) {
1230	my ($path) = @_;	1679	my ($path) = @_;
1231		1680
1232	my ($match, $specificity);	1681	my ($match, $specificity);
1233		1682
1234	for my $region (list) {	1683	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1684	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1685	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1686	if $region->specificity > $specificity;
1238	}	1687	}
1239	}	1688	}
1240		1689
…		…
1304	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1305		1754
1306	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1307	local $self->{path};	1756	local $self->{path};
1308	local $self->{load_path};	1757	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1758
1312	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1313	}	1760	}
1314		1761
1315	sub normalise {	1762	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1363	return $self;	1810	return $self;
1364	}	1811	}
1365	}	1812	}
1366		1813
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1815	()
1369	}	1816	}
1370		1817
1371	sub init {	1818	sub init {
1372	my ($self) = @_;	1819	my ($self) = @_;
…		…
1415		1862
1416	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1418	}	1865	}
1419		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1420	sub unlink_save {	1875	sub unlink_save {
1421	my ($self) = @_;	1876	my ($self) = @_;
1422		1877
1423	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1882
1428	sub load_header_from($) {	1883	sub load_header_from($) {
1429	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1430		1885
1431	utf8::encode $path;	1886	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1437		1895
1438	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1439		1897
1440	1	1898	1
1441	}	1899	}
…		…
1480	$self->load_header_orig	1938	$self->load_header_orig
1481	or return;	1939	or return;
1482	$self->prepare_orig;	1940	$self->prepare_orig;
1483	}	1941	}
1484		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
1485	$self->default_region (cf::region::find_by_path $self->{path})	1946	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1947	unless $self->default_region;
1487		1948
1488	1	1949	1
1489	}	1950	}
…		…
1492	sub find {	1953	sub find {
1493	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1494		1955
1495	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1496		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1498		1960
1499	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1501	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1502	or return;	1966	or return;
1503		1967
1504	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1505		1969
1506	$map->load_header	1970	$map->load_header
1507	or return;	1971	or return;
1508		1972
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1512	$map->reset;	1978	$map->reset;
1513	undef $guard;
1514	return find $path;	1979	return find $path;
1515	}	1980	}
1516		1981
1517	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1518	}	1983	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1992	local $self->{deny_reset} = 1; # loading can take a long time
1528		1993
1529	my $path = $self->{path};	1994	my $path = $self->{path};
1530		1995
1531	{	1996	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1533		1998
		1999	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2001
1536	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1537		2003
1538	$self->alloc;	2004	$self->alloc;
1539		2005
1540	$self->pre_load;	2006	$self->pre_load;
1541	Coro::cede;	2007	cf::cede_to_tick;
1542		2008
		2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2011	$self->_load_objects ($f)
1544	or return;	2012	or return;
1545		2013
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2015	if delete $self->{load_original};
1548		2016
1549	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2018	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2021	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1554	}	2025	}
1555	}	2026	}
1556		2027
1557	Coro::cede;	2028	$f->resolve_delayed_derefs;
		2029
		2030	cf::cede_to_tick;
1558	# now do the right thing for maps	2031	# now do the right thing for maps
1559	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2034	unless $self->difficulty;
1562	Coro::cede;	2035	cf::cede_to_tick;
1563		2036
1564	unless ($self->{deny_activate}) {	2037	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2038	$self->decay_objects;
1566	$self->fix_auto_apply;	2039	$self->fix_auto_apply;
1567	$self->update_buttons;	2040	$self->update_buttons;
1568	Coro::cede;	2041	cf::cede_to_tick;
1569	$self->set_darkness_map;	2042	$self->set_darkness_map;
1570	Coro::cede;	2043	cf::cede_to_tick;
1571	$self->activate;	2044	$self->activate;
1572	}	2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
1573		2049
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2050	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2051	}
1576		2052
1577	$self->post_load;	2053	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1582		2058
1583	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2060	if $self->per_player;
1585		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1586	$self	2065	$self
1587	}	2066	}
1588		2067
1589	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2069	sub load_neighbours {
1591	my ($map) = @_;	2070	my ($map) = @_;
1592		2071
1593	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1594		2073
1595	for (0 .. 3) {	2074	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1597	or next;	2076	or next;
1598	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1599	or next;	2078	or next;
1600	$neigh->load;	2079	$neigh->load;
1601		2080
		2081	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2084	}
1605		2085
1606	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1608	or next;	2089	or next;
1609	$neigh->load;	2090	$neigh->load;
1610	}	2091	}
1611	}	2092	}
1612		2093
…		…
1617	}	2098	}
1618		2099
1619	sub do_load_sync {	2100	sub do_load_sync {
1620	my ($map) = @_;	2101	my ($map) = @_;
1621		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1622	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1623	}	2107	}
1624		2108
1625	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1627		2111
1628	sub find_async {	2112	sub find_async {
1629	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1630		2114
1631	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1632		2116
1633	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2119	}
1636		2120
1637	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1638	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1639	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2128	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2129	$map->load if $v;
		2130	}
1644		2131
1645	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1646	}	2133	}
1647	}	2134	}
1648	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1649	};	2136	};
1650	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2140	}
1654		2141
1655	sub save {	2142	sub save {
1656	my ($self) = @_;	2143	my ($self) = @_;
1657		2144
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2146
1660	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1661		2148
1662	return unless $self->dirty;	2149	return unless $self->dirty;
1663		2150
…		…
1669	return if $self->{deny_save};	2156	return if $self->{deny_save};
1670		2157
1671	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1672		2159
1673	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1675	};	2163	};
1676		2164
1677	if ($uniq) {	2165	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2174	my ($self) = @_;
1687		2175
1688	# save first because save cedes	2176	# save first because save cedes
1689	$self->save;	2177	$self->save;
1690		2178
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2180
1693	return if $self->players;	2181	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2183	return if $self->{deny_save};
1696		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2189	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2190	}
1700		2191
1701	sub reset_at {	2192	sub reset_at {
1702	my ($self) = @_;	2193	my ($self) = @_;
1703		2194
1704	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1707		2197
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2200
…		…
1721	my ($self) = @_;	2211	my ($self) = @_;
1722		2212
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2214
1725	return if $self->players;	2215	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2216
1728	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1729		2218
1730	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1731		2220
1732	# need to save uniques path	2221	# need to save uniques path
1733	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2226	if $uniq;
1738	}	2227	}
1739		2228
1740	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1741		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2233	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2234
1746	$self->unlink_save;	2235	$self->unlink_save;
1747	$self->destroy;	2236	$self->destroy;
1748	}	2237	}
1749		2238
1750	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1751		2240
1752	sub nuke {	2241	sub nuke {
1753	my ($self) = @_;	2242	my ($self) = @_;
1754		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1755	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1756		2248
1757	$self->unlink_save;	2249	$self->unlink_save;
1758		2250
1759	bless $self, "cf::map";	2251	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2256
1765	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1766		2259
1767	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1768	}	2297	}
1769		2298
1770	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1771		2300
1772	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2302	instantiated unique items. May block.
1774		2303
1775	=cut	2304	=cut
1776		2305
1777	sub unique_maps() {	2306	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2307	[
1779	or return;	2308	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2309	utf8::decode $_;
1785	next if /\.pst$/;	2310	/\.map$/
1786	next unless /^$PATH_SEP/o;	2311	? normalise $_
1787		2312	: ()
1788	push @paths, cf::map::normalise $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2314	]
1790
1791	\@paths
1792	}	2315	}
1793		2316
1794	package cf;	2317	package cf;
1795		2318
1796	=back	2319	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1815	}	2338	}
1816		2339
1817	sub inv_recursive {	2340	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1819	}	2370	}
1820		2371
1821	package cf;	2372	package cf;
1822		2373
1823	=back	2374	=back
…		…
1842		2393
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2395
1845	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1847	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1850	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1851	}	2421	}
1852		2422
1853	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1854		2424
1855	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1903		2473
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2475
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1908		2478
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2480	}
1911		2481
1912	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1914		2486
1915	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1916		2488
1917	unless ($map) {	2489	unless ($map) {
1918	# restore original map position	2490	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1935		2507
1936	$map->load;	2508	$map->load;
1937	$map->load_diag;	2509	$map->load_neighbours;
1938		2510
1939	return unless $self->contr->active;	2511	return unless $self->contr->active;
1940	$self->activate_recursive;	2512	$self->activate_recursive;
1941		2513
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1944	}	2516	}
1945		2517
1946	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2519
1950	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1954	};	2524	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2525
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1981		2529
1982	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2535
1985	$self->enter_link;	2536	$self->enter_link;
1986		2537
1987	(async {	2538	(async {
		2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
1988	my $map = eval {	2560	my $map = eval {
1989	my $map = cf::map::find $path;	2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
		2565	$map = $check->($map) if $check && $map;
		2566	} else {
		2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569
1991	$map	2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2576	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1996	})->prio (1);	2584	})->prio (1);
1997	}	2585	}
1998		2586
1999	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
2000		2588
…		…
2069	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
2071		2659
2072	$self->enter_link;	2660	$self->enter_link;
2073		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
2074	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
2075	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2670	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
2078		2672
2079	1;	2673	1;
…		…
2105		2699
2106	utf8::encode $text;	2700	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2702	}
2109		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
2110	=item $client->ext_event ($type, %msg)	2828	=item $client->ext_msg ($type, @msg)
2111		2829
2112	Sends an exti event to the client.	2830	Sends an ext event to the client.
2113		2831
2114	=cut	2832	=cut
2115		2833
2116	sub cf::client::ext_event($$%) {	2834	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2835	my ($self, $type, @msg) = @_;
2118		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2840	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
2121	}	2861	}
2122		2862
2123	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
2124		2864
2125	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2868
2129	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2870	become reliable at some point in the future.
2131		2871
2132	=cut	2872	=cut
2133		2873
2134	sub cf::client::query {	2874	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2883	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2885
2146	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
2148	}	2890	}
2149		2891
2150	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
2151	on_reply => sub {	2898	on_reply => sub {
2152	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
2153		2900
2154	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
2155	# get handled first	2902	# get handled first
…		…
2167	} else {	2914	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2916	}
2170	}	2917	}
2171	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2172	);	2945	);
2173		2946
2174	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2175		2948
2176	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2219		2992
2220	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2221		2994
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2223		3000
2224	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2225		3002
2226	=pod	3003	=pod
2227		3004
2228	The following functions and methods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2229		3006
2230	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2231	cf::object::player player	3011	cf::object::player
2232	cf::player peaceful	3012	player
2233	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2234		3019
2235	=cut	3020	=cut
2236		3021
2237	for (	3022	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2239	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2242	) {	3029	) {
2243	no strict 'refs';	3030	no strict 'refs';
…		…
2314	=back	3101	=back
2315		3102
2316	=cut	3103	=cut
2317		3104
2318	#############################################################################	3105	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3106	# the server's init and main functions
2494		3107
2495	sub load_facedata($) {	3108	sub load_facedata($) {
2496	my ($path) = @_;	3109	my ($path) = @_;
		3110
		3111	# HACK to clear player env face cache, we need some signal framework
		3112	# for this (global event?)
		3113	%ext::player_env::MUSIC_FACE_CACHE = ();
		3114
		3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3116
2498	warn "loading facedata from $path\n";	3117	warn "loading facedata from $path\n";
2499		3118
2500	my $facedata;	3119	my $facedata;
2501	0 < aio_load $path, $facedata	3120	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3123	$facedata = Coro::Storable::thaw $facedata;
2505		3124
2506	$facedata->{version} == 2	3125	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3127
		3128	# patch in the exptable
		3129	$facedata->{resource}{"res/exp_table"} = {
		3130	type => FT_RSRC,
		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3132	};
		3133	cf::cede_to_tick;
		3134
2509	{	3135	{
2510	my $faces = $facedata->{faceinfo};	3136	my $faces = $facedata->{faceinfo};
2511		3137
2512	while (my ($face, $info) = each %$faces) {	3138	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3144
		3145	cf::cede_to_tick;
2518	}	3146	}
2519		3147
2520	while (my ($face, $info) = each %$faces) {	3148	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3149	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	3150	my $idx = cf::face::find $face
2523	or next;	3151	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3155	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3157	}
2529	Coro::cede;	3158
		3159	cf::cede_to_tick;
2530	}	3160	}
2531	}	3161	}
2532		3162
2533	{	3163	{
2534	my $anims = $facedata->{animinfo};	3164	my $anims = $facedata->{animinfo};
2535		3165
2536	while (my ($anim, $info) = each %$anims) {	3166	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3168	cf::cede_to_tick;
2539	}	3169	}
2540		3170
2541	cf::anim::invalidate_all; # d'oh	3171	cf::anim::invalidate_all; # d'oh
2542	}	3172	}
2543		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
2544	1	3223	1
2545	}	3224	}
2546		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
2547	sub reload_regions {	3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
2548	load_resource_file "$MAPDIR/regions"	3239	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3240	or die "unable to load regions file\n";
		3241
		3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
2550	}	3246	}
2551		3247
2552	sub reload_facedata {	3248	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3249	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3250	or die "unable to load facedata\n";
2555	}	3251	}
2556		3252
2557	sub reload_archetypes {	3253	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3254	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
2560	}	3261	}
2561		3262
2562	sub reload_treasures {	3263	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3264	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3265	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3268	sub reload_resources {
2568	warn "reloading resource files...\n";	3269	warn "reloading resource files...\n";
2569		3270
2570	reload_regions;	3271	reload_regions;
2571	reload_facedata;	3272	reload_facedata;
		3273	#reload_archetypes;#d#
2572	reload_archetypes;	3274	reload_archetypes;
2573	reload_treasures;	3275	reload_treasures;
2574		3276
2575	warn "finished reloading resource files\n";	3277	warn "finished reloading resource files\n";
2576	}	3278	}
2577		3279
2578	sub init {	3280	sub init {
2579	reload_resources;	3281	reload_resources;
2580	}	3282	}
2581		3283
2582	sub cfg_load {	3284	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3286	or return;
2585		3287
2586	local $/;	3288	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
…		…
2603	sub main {	3305	sub main {
2604	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2608	Event::one_event;	3311	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2610	};	3313	};
2611		3314
2612	cfg_load;	3315	reload_config;
2613	db_init;	3316	db_init;
2614	load_extensions;	3317	load_extensions;
2615		3318
2616	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2617	Event::loop;	3320	Event::loop;
…		…
2633	},	3336	},
2634	);	3337	);
2635	}	3338	}
2636	}	3339	}
2637		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2638	sub emergency_save() {	3379	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2640		3381
2641	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2642		3383
…		…
2646	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3393	$pl->save;
2652	}	3394	}
2653	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2654		3396
2655	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2703		3445
2704	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2705	for (;;) {	3447	for (;;) {
2706	BDB::flush;	3448	BDB::flush;
2707	IO::AIO::flush;	3449	IO::AIO::flush;
2708	Coro::cede;	3450	Coro::cede_notself;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";	3452	warn "iterate...";
2711	}	3453	}
2712		3454
2713	++$RELOAD;	3455	++$RELOAD;
…		…
2717	%EXT_CORO = ();	3459	%EXT_CORO = ();
2718		3460
2719	warn "removing commands";	3461	warn "removing commands";
2720	%COMMAND = ();	3462	%COMMAND = ();
2721		3463
2722	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2724		3467
2725	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2728		3471
…		…
2771	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2772	require cf;	3515	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3517
2775	warn "loading config and database again";	3518	warn "loading config and database again";
2776	cf::cfg_load;	3519	cf::reload_config;
2777		3520
2778	warn "loading extensions";	3521	warn "loading extensions";
2779	cf::load_extensions;	3522	cf::load_extensions;
2780		3523
2781	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
…		…
2817	register_command "reload" => sub {	3560	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2819		3562
2820	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3567	reload_perl;
		3568	};
2823	}	3569	}
2824	};	3570	};
2825		3571
2826	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2827		3573
…		…
2869	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2870		3616
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2873	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3621	write_runtime
2875	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2876	};	3623	};
2877	}	3624	}
2878		3625
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3627	$sig->send;
2884	}	3628	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3630	$sig->send;
…		…
2896		3640
2897	$LOAD = ($NOW - $tick_start) / $TICK;	3641	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3643
2900	_post_tick;	3644	_post_tick;
2901
2902
2903	},	3645	},
2904	);	3646	);
2905		3647
2906	{	3648	{
		3649	BDB::min_parallel 8;
2907	BDB::max_poll_time $TICK * 0.1;	3650	BDB::max_poll_time $TICK * 0.1;
2908	$BDB_POLL_WATCHER = Event->io (	3651	$BDB_POLL_WATCHER = Event->io (
2909	reentrant => 0,	3652	reentrant => 0,
2910	fd => BDB::poll_fileno,	3653	fd => BDB::poll_fileno,
2911	poll => 'r',	3654	poll => 'r',
2912	prio => 0,	3655	prio => 0,
2913	data => WF_AUTOCANCEL,	3656	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,	3657	cb => \&BDB::poll_cb,
2915	);	3658	);
2916	BDB::min_parallel 8;
2917		3659
2918	BDB::set_sync_prepare {	3660	BDB::set_sync_prepare {
2919	my $status;	3661	my $status;
2920	my $current = $Coro::current;	3662	my $current = $Coro::current;
2921	(	3663	(
…		…
2930	)	3672	)
2931	};	3673	};
2932		3674
2933	unless ($DB_ENV) {	3675	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3681
2936	cf::sync_job {	3682	cf::sync_job {
2937	eval {	3683	eval {
2938	BDB::db_env_open	3684	BDB::db_env_open
2939	$DB_ENV,	3685	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3689	0666;
2944		3690
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3692	};
2950		3693
2951	cf::cleanup "db_env_open(db): $@" if $@;	3694	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3695	};
2953	}	3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
2954	}	3728	}
2955		3729
2956	{	3730	{
2957	IO::AIO::min_parallel 8;	3731	IO::AIO::min_parallel 8;
2958		3732
…		…
2961	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
2962	reentrant => 0,	3736	reentrant => 0,
2963	data => WF_AUTOCANCEL,	3737	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
2965	poll => 'r',	3739	poll => 'r',
2966	prio => 6,	3740	prio => 0,
2967	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
2968	);	3742	);
2969	}	3743	}
2970		3744
2971	my $_log_backtrace;	3745	my $_log_backtrace;
…		…
2977		3751
2978	# limit the # of concurrent backtraces	3752	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3753	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3754	++$_log_backtrace;
2981	async {	3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
2982	my @bt = fork_call {	3758	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3759	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3762	or die "addr2line: $!";

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