ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
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, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
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
…		…
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
…		…
716	";	924	";
717	die if $@;	925	die if $@;
718	}	926	}
719		927
720	our $override;	928	our $override;
721	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?
722		930
723	sub override {	931	sub override {
724	$override = 1;	932	$override = 1;
725	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
726	}	934	}
727		935
728	sub do_invoke {	936	sub do_invoke {
729	my $event = shift;	937	my $event = shift;
730	my $callbacks = shift;	938	my $callbacks = shift;
731		939
732	@invoke_results = ();	940	@INVOKE_RESULTS = ();
733		941
734	local $override;	942	local $override;
735		943
736	for (@$callbacks) {	944	for (@$callbacks) {
737	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
754		962
755	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
756		964
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		968
761	=back	969	=back
762		970
763	=cut	971	=cut
764		972
765	#############################################################################	973	#############################################################################
766	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
767		1017
768	sub reattach {	1018	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1020	my ($obj) = @_;
771		1021
…		…
818	sub object_freezer_save {	1068	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
820		1070
821	sync_job {	1071	sync_job {
822	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
825		1076
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1081	close $fh;
831		1082
832	if (@$objs) {	1083	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1089	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
840	}	1091	}
…		…
848	}	1099	}
849	} else {	1100	} else {
850	aio_unlink $filename;	1101	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
852	}	1103	}
853	}	1104	};
854	}	1105	}
855		1106
856	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
858		1109
…		…
870	or return;	1121	or return;
871		1122
872	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
874	or return;	1125	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };
876	}
877		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
880	return ($data, $av);	1136	($data, $av)
881	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
882		1144
883	#############################################################################	1145	#############################################################################
884	# command handling &c	1146	# command handling &c
885		1147
886	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1162	}
901		1163
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1165
904	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
905		1171
906	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
907	called.	1173	called.
908		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
909	=cut	1186	=cut
910		1187
911	sub register_extcmd {	1188	sub register_extcmd {
912	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
913		1190
914	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
915	}	1198	}
916		1199
917	cf::player->attach (	1200	cf::player->attach (
918	on_command => sub {	1201	on_command => sub {
919	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1211	cf::override;
929	},	1212	},
930	on_extcmd => sub {	1213	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
932		1215
933	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1217
935	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
941	} else {	1233	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1235	}
944		1236
945	cf::override;	1237	cf::override;
946	},	1238	},
947	);	1239	);
948		1240
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
984	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1246	next unless -r $path;
986	eval {	1247
987	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
988	1	1305	}
989	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
990	}	1311	};
991	}	1312	}
992		1313
993	#############################################################################	1314	#############################################################################
994		1315
		1316	=back
		1317
995	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
996		1319
997	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
998		1321
999	=cut	1322	=cut
…		…
1003	use Coro::AIO;	1326	use Coro::AIO;
1004		1327
1005	=head3 cf::player	1328	=head3 cf::player
1006		1329
1007	=over 4	1330	=over 4
		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
1008		1345
1009	=item cf::player::find $login	1346	=item cf::player::find $login
1010		1347
1011	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
1012		1349
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1388	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1389
1053	my $pl = load_pl path $login	1390	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1056	}	1398	}
1057	}	1399	}
1058	}	1400	}
1059		1401
…		…
1069		1411
1070	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1072		1414
1073	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1074	Coro::cede;	1416	cf::cede_to_tick;
1075	}	1417	}
1076		1418
1077	sub new($) {	1419	sub new($) {
1078	my ($login) = @_;	1420	my ($login) = @_;
1079		1421
…		…
1083	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1084		1426
1085	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1086		1428
1087	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1088	}	1440	}
1089		1441
1090	=item $pl->quit_character	1442	=item $pl->quit_character
1091		1443
1092	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1499	or return [];
1148		1500
1149	my @logins;	1501	my @logins;
1150		1502
1151	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1155		1512
1156	utf8::decode $login;	1513	utf8::decode $login;
1157	push @logins, $login;	1514	push @logins, $login;
1158	}	1515	}
1159		1516
…		…
1186	}	1543	}
1187		1544
1188	\@paths	1545	\@paths
1189	}	1546	}
1190		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1191	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1192		1600
1193	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1194		1602
1195	=cut	1603	=cut
1196		1604
1197	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1199		1607
1200	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1609	}
1204		1610
1205	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1206		1612
1207	Sends an ext event to the client.	1613	Sends an ext event to the client.
1208		1614
1209	=cut	1615	=cut
1210		1616
1211	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1213		1619
1214	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1215	}	1621	}
1216		1622
1217	=head3 cf::region	1623	=head3 cf::region
1218		1624
1219	=over 4	1625	=over 4
…		…
1222		1628
1223	package cf::region;	1629	package cf::region;
1224		1630
1225	=item cf::region::find_by_path $path	1631	=item cf::region::find_by_path $path
1226		1632
1227	Tries to decuce the probable region for a map knowing only its path.	1633	Tries to decuce the likely region for a map knowing only its path.
1228		1634
1229	=cut	1635	=cut
1230		1636
1231	sub find_by_path($) {	1637	sub find_by_path($) {
1232	my ($path) = @_;	1638	my ($path) = @_;
1233		1639
1234	my ($match, $specificity);	1640	my ($match, $specificity);
1235		1641
1236	for my $region (list) {	1642	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1643	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1644	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1645	if $region->specificity > $specificity;
1240	}	1646	}
1241	}	1647	}
1242		1648
…		…
1306	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1307		1713
1308	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1309	local $self->{path};	1715	local $self->{path};
1310	local $self->{load_path};	1716	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1717
1314	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1315	}	1719	}
1316		1720
1317	sub normalise {	1721	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1365	return $self;	1769	return $self;
1366	}	1770	}
1367	}	1771	}
1368		1772
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1774	()
1371	}	1775	}
1372		1776
1373	sub init {	1777	sub init {
1374	my ($self) = @_;	1778	my ($self) = @_;
…		…
1417		1821
1418	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1420	}	1824	}
1421		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1422	sub unlink_save {	1834	sub unlink_save {
1423	my ($self) = @_;	1835	my ($self) = @_;
1424		1836
1425	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1841
1430	sub load_header_from($) {	1842	sub load_header_from($) {
1431	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1432		1844
1433	utf8::encode $path;	1845	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1439		1854
1440	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1441		1856
1442	1	1857	1
1443	}	1858	}
…		…
1482	$self->load_header_orig	1897	$self->load_header_orig
1483	or return;	1898	or return;
1484	$self->prepare_orig;	1899	$self->prepare_orig;
1485	}	1900	}
1486		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
1487	$self->default_region (cf::region::find_by_path $self->{path})	1905	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1906	unless $self->default_region;
1489		1907
1490	1	1908	1
1491	}	1909	}
…		…
1494	sub find {	1912	sub find {
1495	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1496		1914
1497	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1498		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1500		1919
1501	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1503	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1504	or return;	1925	or return;
1505		1926
1506	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1507		1928
1508	$map->load_header	1929	$map->load_header
1509	or return;	1930	or return;
1510		1931
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1514	$map->reset;	1937	$map->reset;
1515	undef $guard;
1516	return find $path;	1938	return find $path;
1517	}	1939	}
1518		1940
1519	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1520	}	1942	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1530		1952
1531	my $path = $self->{path};	1953	my $path = $self->{path};
1532		1954
1533	{	1955	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1535		1957
		1958	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1960
1538	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1539		1962
1540	$self->alloc;	1963	$self->alloc;
1541		1964
1542	$self->pre_load;	1965	$self->pre_load;
1543	Coro::cede;	1966	cf::cede_to_tick;
1544		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1970	$self->_load_objects ($f)
1546	or return;	1971	or return;
1547		1972
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1974	if delete $self->{load_original};
1550		1975
1551	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1977	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1980	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1556	}	1984	}
1557	}	1985	}
1558		1986
1559	Coro::cede;	1987	$f->resolve_delayed_derefs;
		1988
		1989	cf::cede_to_tick;
1560	# now do the right thing for maps	1990	# now do the right thing for maps
1561	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1993	unless $self->difficulty;
1564	Coro::cede;	1994	cf::cede_to_tick;
1565		1995
1566	unless ($self->{deny_activate}) {	1996	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1997	$self->decay_objects;
1568	$self->fix_auto_apply;	1998	$self->fix_auto_apply;
1569	$self->update_buttons;	1999	$self->update_buttons;
1570	Coro::cede;	2000	cf::cede_to_tick;
1571	$self->set_darkness_map;	2001	$self->set_darkness_map;
1572	Coro::cede;	2002	cf::cede_to_tick;
1573	$self->activate;	2003	$self->activate;
1574	}	2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
1575		2008
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2010	}
1578		2011
1579	$self->post_load;	2012	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1584		2017
1585	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2019	if $self->per_player;
1587		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1588	$self	2024	$self
1589	}	2025	}
1590		2026
1591	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2028	sub load_neighbours {
1593	my ($map) = @_;	2029	my ($map) = @_;
1594		2030
1595	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1596		2032
1597	for (0 .. 3) {	2033	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1599	or next;	2035	or next;
1600	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1601	or next;	2037	or next;
1602	$neigh->load;	2038	$neigh->load;
1603		2039
		2040	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2043	}
1607		2044
1608	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1610	or next;	2048	or next;
1611	$neigh->load;	2049	$neigh->load;
1612	}	2050	}
1613	}	2051	}
1614		2052
…		…
1619	}	2057	}
1620		2058
1621	sub do_load_sync {	2059	sub do_load_sync {
1622	my ($map) = @_;	2060	my ($map) = @_;
1623		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1624	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1625	}	2066	}
1626		2067
1627	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1629		2070
1630	sub find_async {	2071	sub find_async {
1631	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1632		2073
1633	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1634		2075
1635	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2078	}
1638		2079
1639	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1640	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1641	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2087	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2088	$map->load if $v;
		2089	}
1646		2090
1647	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1648	}	2092	}
1649	}	2093	}
1650	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1651	};	2095	};
1652	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2099	}
1656		2100
1657	sub save {	2101	sub save {
1658	my ($self) = @_;	2102	my ($self) = @_;
1659		2103
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2105
1662	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1663		2107
1664	return unless $self->dirty;	2108	return unless $self->dirty;
1665		2109
…		…
1671	return if $self->{deny_save};	2115	return if $self->{deny_save};
1672		2116
1673	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1674		2118
1675	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1677	};	2122	};
1678		2123
1679	if ($uniq) {	2124	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2133	my ($self) = @_;
1689		2134
1690	# save first because save cedes	2135	# save first because save cedes
1691	$self->save;	2136	$self->save;
1692		2137
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2139
1695	return if $self->players;	2140	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2142	return if $self->{deny_save};
1698		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2148	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2149	}
1702		2150
1703	sub reset_at {	2151	sub reset_at {
1704	my ($self) = @_;	2152	my ($self) = @_;
1705		2153
1706	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1709		2156
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2159
…		…
1723	my ($self) = @_;	2170	my ($self) = @_;
1724		2171
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2173
1727	return if $self->players;	2174	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2175
1730	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1731		2177
1732	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1733		2179
1734	# need to save uniques path	2180	# need to save uniques path
1735	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2185	if $uniq;
1740	}	2186	}
1741		2187
1742	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1743		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2192	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2193
1748	$self->unlink_save;	2194	$self->unlink_save;
1749	$self->destroy;	2195	$self->destroy;
1750	}	2196	}
1751		2197
1752	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1753		2199
1754	sub nuke {	2200	sub nuke {
1755	my ($self) = @_;	2201	my ($self) = @_;
1756		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1757	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1758		2207
1759	$self->unlink_save;	2208	$self->unlink_save;
1760		2209
1761	bless $self, "cf::map";	2210	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2215
1767	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1768		2218
1769	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1770	}	2256	}
1771		2257
1772	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1773		2259
1774	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2261	instantiated unique items. May block.
1776		2262
1777	=cut	2263	=cut
1778		2264
1779	sub unique_maps() {	2265	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2266	[
1781	or return;	2267	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2268	utf8::decode $_;
1787	next if /\.pst$/;	2269	/\.map$/
1788	next unless /^$PATH_SEP/o;	2270	? normalise $_
1789		2271	: ()
1790	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2273	]
1792
1793	\@paths
1794	}	2274	}
1795		2275
1796	package cf;	2276	package cf;
1797		2277
1798	=back	2278	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1817	}	2297	}
1818		2298
1819	sub inv_recursive {	2299	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1821	}	2329	}
1822		2330
1823	package cf;	2331	package cf;
1824		2332
1825	=back	2333	=back
…		…
1844		2352
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2354
1847	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1849	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1852	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1853	}	2380	}
1854		2381
1855	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1856		2383
1857	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1905		2432
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2434
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1910		2437
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2439	}
1913		2440
1914	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1916		2445
1917	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1918		2447
1919	unless ($map) {	2448	unless ($map) {
1920	# restore original map position	2449	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1937		2466
1938	$map->load;	2467	$map->load;
1939	$map->load_diag;	2468	$map->load_neighbours;
1940		2469
1941	return unless $self->contr->active;	2470	return unless $self->contr->active;
1942	$self->activate_recursive;	2471	$self->activate_recursive;
1943		2472
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1946	}	2475	}
1947		2476
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2478
1982	Moves the player to the given map-path and coordinates by first freezing	2479	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2480	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2481	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2482	the new (success) or old (failed) map position. In either case, $done will
		2483	be called at the end of this process.
1986		2484
1987	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1988		2488
1989	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2494
1992	$self->enter_link;	2495	$self->enter_link;
1993		2496
1994	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1995	my $map = eval {	2519	my $map = eval {
1996	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
1997		2521
1998	if ($map) {	2522	if ($map) {
1999	$map = $map->customise_for ($self);	2523	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2524	$map = $check->($map) if $check && $map;
2001	} else {	2525	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2527	}
2004		2528
2005	$map	2529	$map
2006	};	2530	};
2007		2531
2008	if ($@) {	2532	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2534	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2535	}
2012		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
2014	})->prio (1);	2543	})->prio (1);
2015	}	2544	}
2016		2545
2017	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
2018		2547
…		…
2087	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
2089		2618
2090	$self->enter_link;	2619	$self->enter_link;
2091		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
2092	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
2093	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2629	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
2096		2631
2097	1;	2632	1;
…		…
2123		2658
2124	utf8::encode $text;	2659	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2661	}
2127		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2128	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2129		2757
2130	Sends an exti event to the client.	2758	Sends an ext event to the client.
2131		2759
2132	=cut	2760	=cut
2133		2761
2134	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2136		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2139	}	2789	}
2140		2790
2141	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2142		2792
2143	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2796
2147	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2798	become reliable at some point in the future.
2149		2799
2150	=cut	2800	=cut
2151		2801
2152	sub cf::client::query {	2802	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2811	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2813
2164	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2166	}	2818	}
2167		2819
2168	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2169	on_reply => sub {	2826	on_reply => sub {
2170	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2171		2828
2172	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2173	# get handled first	2830	# get handled first
…		…
2185	} else {	2842	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2844	}
2188	}	2845	}
2189	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2190	);	2873	);
2191		2874
2192	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2193		2876
2194	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2237		2920
2238	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2239		2922
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2241		2928
2242	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2243		2930
2244	=pod	2931	=pod
2245		2932
2246	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2247		2934
2248	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2249	cf::object::player player	2939	cf::object::player
2250	cf::player peaceful	2940	player
2251	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2252		2947
2253	=cut	2948	=cut
2254		2949
2255	for (	2950	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2257	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2260	) {	2957	) {
2261	no strict 'refs';	2958	no strict 'refs';
…		…
2332	=back	3029	=back
2333		3030
2334	=cut	3031	=cut
2335		3032
2336	#############################################################################	3033	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3034	# the server's init and main functions
2512		3035
2513	sub load_facedata($) {	3036	sub load_facedata($) {
2514	my ($path) = @_;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3044
2516	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2517		3046
2518	my $facedata;	3047	my $facedata;
2519	0 < aio_load $path, $facedata	3048	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3051	$facedata = Coro::Storable::thaw $facedata;
2523		3052
2524	$facedata->{version} == 2	3053	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
2527	{	3063	{
2528	my $faces = $facedata->{faceinfo};	3064	my $faces = $facedata->{faceinfo};
2529		3065
2530	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3072
		3073	cf::cede_to_tick;
2536	}	3074	}
2537		3075
2538	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3077	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2541	or next;	3079	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3083	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3085	}
2547	Coro::cede;	3086
		3087	cf::cede_to_tick;
2548	}	3088	}
2549	}	3089	}
2550		3090
2551	{	3091	{
2552	my $anims = $facedata->{animinfo};	3092	my $anims = $facedata->{animinfo};
2553		3093
2554	while (my ($anim, $info) = each %$anims) {	3094	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3096	cf::cede_to_tick;
2557	}	3097	}
2558		3098
2559	cf::anim::invalidate_all; # d'oh	3099	cf::anim::invalidate_all; # d'oh
2560	}	3100	}
2561		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
2562	1	3151	1
2563	}	3152	}
2564		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
2565	sub reload_regions {	3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
2566	load_resource_file "$MAPDIR/regions"	3167	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
2568	}	3174	}
2569		3175
2570	sub reload_facedata {	3176	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3177	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3178	or die "unable to load facedata\n";
2573	}	3179	}
2574		3180
2575	sub reload_archetypes {	3181	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3182	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
2578	}	3189	}
2579		3190
2580	sub reload_treasures {	3191	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3192	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3193	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3196	sub reload_resources {
2586	warn "reloading resource files...\n";	3197	warn "reloading resource files...\n";
2587		3198
2588	reload_regions;	3199	reload_regions;
2589	reload_facedata;	3200	reload_facedata;
		3201	#reload_archetypes;#d#
2590	reload_archetypes;	3202	reload_archetypes;
2591	reload_treasures;	3203	reload_treasures;
2592		3204
2593	warn "finished reloading resource files\n";	3205	warn "finished reloading resource files\n";
2594	}	3206	}
2595		3207
2596	sub init {	3208	sub init {
2597	reload_resources;	3209	reload_resources;
2598	}	3210	}
2599		3211
2600	sub cfg_load {	3212	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3214	or return;
2603		3215
2604	local $/;	3216	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
…		…
2621	sub main {	3233	sub main {
2622	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2626	Event::one_event;	3239	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2628	};	3241	};
2629		3242
2630	cfg_load;	3243	reload_config;
2631	db_init;	3244	db_init;
2632	load_extensions;	3245	load_extensions;
2633		3246
2634	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2635	Event::loop;	3248	Event::loop;
…		…
2651	},	3264	},
2652	);	3265	);
2653	}	3266	}
2654	}	3267	}
2655		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2656	sub emergency_save() {	3307	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2658		3309
2659	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2660		3311
…		…
2664	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2666	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3321	$pl->save;
2670	}	3322	}
2671	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2672		3324
2673	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2721		3373
2722	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2723	for (;;) {	3375	for (;;) {
2724	BDB::flush;	3376	BDB::flush;
2725	IO::AIO::flush;	3377	IO::AIO::flush;
2726	Coro::cede;	3378	Coro::cede_notself;
2727	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";	3380	warn "iterate...";
2729	}	3381	}
2730		3382
2731	++$RELOAD;	3383	++$RELOAD;
…		…
2735	%EXT_CORO = ();	3387	%EXT_CORO = ();
2736		3388
2737	warn "removing commands";	3389	warn "removing commands";
2738	%COMMAND = ();	3390	%COMMAND = ();
2739		3391
2740	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2742		3395
2743	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2746		3399
…		…
2789	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2790	require cf;	3443	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3445
2793	warn "loading config and database again";	3446	warn "loading config and database again";
2794	cf::cfg_load;	3447	cf::reload_config;
2795		3448
2796	warn "loading extensions";	3449	warn "loading extensions";
2797	cf::load_extensions;	3450	cf::load_extensions;
2798		3451
2799	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2835	register_command "reload" => sub {	3488	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2837		3490
2838	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3495	reload_perl;
		3496	};
2841	}	3497	}
2842	};	3498	};
2843		3499
2844	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2845		3501
…		…
2864	my $signal = new Coro::Signal;	3520	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3521	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3522	$signal->wait;
2867	}	3523	}
2868		3524
2869	my $min = 1e6;#d#
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,	3526	reentrant => 0,
2873	parked => 1,	3527	parked => 1,
2874	prio => 0,	3528	prio => 0,
2875	at => $NEXT_TICK || $TICK,	3529	at => $NEXT_TICK || $TICK,
…		…
2883		3537
2884	$NOW = $tick_start = Event::time;	3538	$NOW = $tick_start = Event::time;
2885		3539
2886	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
2887		3541
2888	0 && sync_job {#d#
2889	for(1..10) {
2890	my $t = Event::time;
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2892	or die;
2893
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};
2910
2911	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2913		3544
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2917	write_runtime	3549	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2919	};	3551	};
2920	}	3552	}
2921		3553
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3555	$sig->send;
2927	}	3556	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3557	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3558	$sig->send;
…		…
2939		3568
2940	$LOAD = ($NOW - $tick_start) / $TICK;	3569	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3571
2943	_post_tick;	3572	_post_tick;
2944
2945
2946	},	3573	},
2947	);	3574	);
2948		3575
2949	{	3576	{
		3577	BDB::min_parallel 8;
2950	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2951	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2952	reentrant => 0,	3580	reentrant => 0,
2953	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2954	poll => 'r',	3582	poll => 'r',
2955	prio => 0,	3583	prio => 0,
2956	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2958	);	3586	);
2959	BDB::min_parallel 8;
2960		3587
2961	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2962	my $status;	3589	my $status;
2963	my $current = $Coro::current;	3590	my $current = $Coro::current;
2964	(	3591	(
…		…
2973	)	3600	)
2974	};	3601	};
2975		3602
2976	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3609
2979	cf::sync_job {	3610	cf::sync_job {
2980	eval {	3611	eval {
2981	BDB::db_env_open	3612	BDB::db_env_open
2982	$DB_ENV,	3613	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3617	0666;
2987		3618
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3620	};
2993		3621
2994	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3623	};
2996	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2997	}	3656	}
2998		3657
2999	{	3658	{
3000	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
3001		3660
…		…
3004	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
3005	reentrant => 0,	3664	reentrant => 0,
3006	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
3008	poll => 'r',	3667	poll => 'r',
3009	prio => 6,	3668	prio => 0,
3010	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
3011	);	3670	);
3012	}	3671	}
3013		3672
3014	my $_log_backtrace;	3673	my $_log_backtrace;
…		…
3020		3679
3021	# limit the # of concurrent backtraces	3680	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3681	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3682	++$_log_backtrace;
3024	async {	3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
3025	my @bt = fork_call {	3686	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3687	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3690	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines