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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.380 by root, Mon Oct 8 13:58:07 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 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
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
…		…
150		171
151	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
152	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
153	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.
154		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
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$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;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		206
180	# 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
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$Event::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$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;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
231		258
232	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]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	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
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($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#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		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
296	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
297		400
298	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
303		406
304	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
305		408
306	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
307		410
308	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)
309	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
310	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.
311		415
312	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
313	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
314	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
315	fast or be very important.	419	fast or be very important.
…		…
318		422
319	sub sync_job(&) {	423	sub sync_job(&) {
320	my ($job) = @_;	424	my ($job) = @_;
321		425
322	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
323	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
325		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
326	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	435	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
329		437
330	my $busy = 1;	438	my $busy = 1;
331	my @res;	439	my @res;
332		440
333	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	443	@res = eval { $job->() };
335	warn $@ if $@;	444	warn $@ if $@;
336	undef $busy;	445	undef $busy;
337	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
338		447
339	while ($busy) {	448	while ($busy) {
340	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
341	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
342		458
343	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
344	} else {	460	} else {
345	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
346		462
…		…
366	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
367		483
368	$coro	484	$coro
369	}	485	}
370		486
371	sub write_runtime {	487	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		488
374	my $runtime = "$LOCALDIR/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
375		493
376	warn "starting to write runtime...\n";#d#	494	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		495
380	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		498
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
385	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
386		502
387	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	504	reset_signals;
389	and return;	505	&$cb
		506	}, @args;
390		507
391	close $fh	508	wantarray ? @res : $res[-1]
392	or return;	509	}
393		510
394	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
395	and return;
396		512
397	warn "... done writing runtime.\n";#d#	513	Returns a single value from the environment database.
398		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
399	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
400	}	636	}
401		637
402	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
403		639
404	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
422	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
424		660
425	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	663	Crossfire TRT).
428		664
429	=over 4	665	=over 4
430		666
431	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
432		668
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
596		832
597	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		837
602	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	839	my $pkg = shift @arg;
604		840
605	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
635	}	871	}
636		872
637	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
638	} else {	874	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	876	}
641		877
642	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
643	}	879	}
644		880
…		…
646	if (ref $_[0]) {	882	if (ref $_[0]) {
647	_object_attach @_;	883	_object_attach @_;
648	} else {	884	} else {
649	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
650	}	886	}
		887	_recalc_want;
651	};	888	};
652		889
653	# all those should be optimised	890	# all those should be optimised
654	sub cf::attachable::detach {	891	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
659	reattach ($obj);	896	reattach ($obj);
660	} else {	897	} else {
661	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
662	}	899	}
		900	_recalc_want;
663	};	901	};
664		902
665	sub cf::attachable::attached {	903	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
667		905
…		…
682	";	920	";
683	die if $@;	921	die if $@;
684	}	922	}
685		923
686	our $override;	924	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		926
689	sub override {	927	sub override {
690	$override = 1;	928	$override = 1;
691	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
692	}	930	}
693		931
694	sub do_invoke {	932	sub do_invoke {
695	my $event = shift;	933	my $event = shift;
696	my $callbacks = shift;	934	my $callbacks = shift;
697		935
698	@invoke_results = ();	936	@INVOKE_RESULTS = ();
699		937
700	local $override;	938	local $override;
701		939
702	for (@$callbacks) {	940	for (@$callbacks) {
703	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
720		958
721	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
722		960
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		964
727	=back	965	=back
728		966
729	=cut	967	=cut
730		968
731	#############################################################################	969	#############################################################################
732	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
733		982
734	sub reattach {	983	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	985	my ($obj) = @_;
737		986
…		…
784	sub object_freezer_save {	1033	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
786		1035
787	sync_job {	1036	sync_job {
788	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
791		1041
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1046	close $fh;
797		1047
798	if (@$objs) {	1048	if (@$objs) {
799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1054	close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
806	}	1056	}
…		…
814	}	1064	}
815	} else {	1065	} else {
816	aio_unlink $filename;	1066	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
818	}	1068	}
819	}	1069	};
820	}	1070	}
821		1071
822	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
824		1074
…		…
836	or return;	1086	or return;
837		1087
838	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
840	or return;	1090	or return;
841	$av = eval { (Storable::thaw $av)->{objs} };
842	}
843		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
846	return ($data, $av);	1101	($data, $av)
847	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
848		1109
849	#############################################################################	1110	#############################################################################
850	# command handling &c	1111	# command handling &c
851		1112
852	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1127	}
867		1128
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1130
870	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
871		1136
872	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
873	called.	1138	called.
874		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
875	=cut	1151	=cut
876		1152
877	sub register_extcmd {	1153	sub register_extcmd {
878	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
879		1155
880	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
881	}	1163	}
882		1164
883	cf::player->attach (	1165	cf::player->attach (
884	on_command => sub {	1166	on_command => sub {
885	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1176	cf::override;
895	},	1177	},
896	on_extcmd => sub {	1178	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
898		1180
899	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1182
901	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
907	} else {	1198	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1200	}
910		1201
911	cf::override;	1202	cf::override;
912	},	1203	},
913	);	1204	);
914		1205
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
950	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1211	next unless -r $path;
952	eval {	1212
953	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
954	1	1270	}
955	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
956	}	1276	};
957	}	1277	}
958		1278
959	#############################################################################	1279	#############################################################################
960		1280
		1281	=back
		1282
961	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
962		1284
963	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
964		1286
965	=cut	1287	=cut
…		…
969	use Coro::AIO;	1291	use Coro::AIO;
970		1292
971	=head3 cf::player	1293	=head3 cf::player
972		1294
973	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
974		1310
975	=item cf::player::find $login	1311	=item cf::player::find $login
976		1312
977	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
978		1314
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1354
1019	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1020	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1021	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1022	}	1363	}
1023	}	1364	}
1024	}	1365	}
1025		1366
…		…
1035		1376
1036	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1038		1379
1039	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1040	Coro::cede;	1381	cf::cede_to_tick;
1041	}	1382	}
1042		1383
1043	sub new($) {	1384	sub new($) {
1044	my ($login) = @_;	1385	my ($login) = @_;
1045		1386
…		…
1049	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1050		1391
1051	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1052		1393
1053	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1054	}	1405	}
1055		1406
1056	=item $pl->quit_character	1407	=item $pl->quit_character
1057		1408
1058	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1113	or return [];	1464	or return [];
1114		1465
1115	my @logins;	1466	my @logins;
1116		1467
1117	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1121		1477
1122	utf8::decode $login;	1478	utf8::decode $login;
1123	push @logins, $login;	1479	push @logins, $login;
1124	}	1480	}
1125		1481
…		…
1152	}	1508	}
1153		1509
1154	\@paths	1510	\@paths
1155	}	1511	}
1156		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1157	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1158		1565
1159	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1160		1567
1161	=cut	1568	=cut
1162		1569
1163	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1165		1572
1166	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1574	}
1170		1575
1171	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1172		1577
1173	Sends an ext event to the client.	1578	Sends an ext event to the client.
1174		1579
1175	=cut	1580	=cut
1176		1581
1177	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1179		1584
1180	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1181	}	1586	}
1182		1587
1183	=head3 cf::region	1588	=head3 cf::region
1184		1589
1185	=over 4	1590	=over 4
…		…
1188		1593
1189	package cf::region;	1594	package cf::region;
1190		1595
1191	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1192		1597
1193	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1194		1599
1195	=cut	1600	=cut
1196		1601
1197	sub find_by_path($) {	1602	sub find_by_path($) {
1198	my ($path) = @_;	1603	my ($path) = @_;
1199		1604
1200	my ($match, $specificity);	1605	my ($match, $specificity);
1201		1606
1202	for my $region (list) {	1607	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1206	}	1611	}
1207	}	1612	}
1208		1613
…		…
1272	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1273		1678
1274	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1275	local $self->{path};	1680	local $self->{path};
1276	local $self->{load_path};	1681	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1682
1280	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1281	}	1684	}
1282		1685
1283	sub normalise {	1686	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1331	return $self;	1734	return $self;
1332	}	1735	}
1333	}	1736	}
1334		1737
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1739	()
1337	}	1740	}
1338		1741
1339	sub init {	1742	sub init {
1340	my ($self) = @_;	1743	my ($self) = @_;
…		…
1383		1786
1384	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1386	}	1789	}
1387		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1388	sub unlink_save {	1799	sub unlink_save {
1389	my ($self) = @_;	1800	my ($self) = @_;
1390		1801
1391	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1806
1396	sub load_header_from($) {	1807	sub load_header_from($) {
1397	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1398		1809
1399	utf8::encode $path;	1810	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1405		1819
1406	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1407		1821
1408	1	1822	1
1409	}	1823	}
…		…
1448	$self->load_header_orig	1862	$self->load_header_orig
1449	or return;	1863	or return;
1450	$self->prepare_orig;	1864	$self->prepare_orig;
1451	}	1865	}
1452		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1453	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1871	unless $self->default_region;
1455		1872
1456	1	1873	1
1457	}	1874	}
…		…
1460	sub find {	1877	sub find {
1461	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1462		1879
1463	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1464		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1466		1884
1467	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1469	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1470	or return;	1890	or return;
1471		1891
1472	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1473		1893
1474	$map->load_header	1894	$map->load_header
1475	or return;	1895	or return;
1476		1896
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1480	$map->reset;	1902	$map->reset;
1481	undef $guard;
1482	return find $path;	1903	return find $path;
1483	}	1904	}
1484		1905
1485	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1486	}	1907	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1496		1917
1497	my $path = $self->{path};	1918	my $path = $self->{path};
1498		1919
1499	{	1920	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1501		1922
		1923	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1925
1504	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1505		1927
1506	$self->alloc;	1928	$self->alloc;
1507		1929
1508	$self->pre_load;	1930	$self->pre_load;
1509	Coro::cede;	1931	cf::cede_to_tick;
1510		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1512	or return;	1936	or return;
1513		1937
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515	if delete $self->{load_original};	1939	if delete $self->{load_original};
1516		1940
1517	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	1942	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	1945	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1522	}	1949	}
1523	}	1950	}
1524		1951
1525	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1526	# now do the right thing for maps	1955	# now do the right thing for maps
1527	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1958	unless $self->difficulty;
1530	Coro::cede;	1959	cf::cede_to_tick;
1531		1960
1532	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1962	$self->decay_objects;
1534	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1535	$self->update_buttons;	1964	$self->update_buttons;
1536	Coro::cede;	1965	cf::cede_to_tick;
1537	$self->set_darkness_map;	1966	$self->set_darkness_map;
1538	Coro::cede;	1967	cf::cede_to_tick;
1539	$self->activate;	1968	$self->activate;
1540	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1541		1973
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1975	}
1544		1976
1545	$self->post_load;	1977	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1550		1982
1551	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1984	if $self->per_player;
1553		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1554	$self	1989	$self
1555	}	1990	}
1556		1991
1557	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1993	sub load_neighbours {
1559	my ($map) = @_;	1994	my ($map) = @_;
1560		1995
1561	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1562		1997
1563	for (0 .. 3) {	1998	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1565	or next;	2000	or next;
1566	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1567	or next;	2002	or next;
1568	$neigh->load;	2003	$neigh->load;
1569		2004
		2005	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2008	}
1573		2009
1574	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1576	or next;	2013	or next;
1577	$neigh->load;	2014	$neigh->load;
1578	}	2015	}
1579	}	2016	}
1580		2017
…		…
1585	}	2022	}
1586		2023
1587	sub do_load_sync {	2024	sub do_load_sync {
1588	my ($map) = @_;	2025	my ($map) = @_;
1589		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1590	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1591	}	2031	}
1592		2032
1593	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1595		2035
1596	sub find_async {	2036	sub find_async {
1597	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1598		2038
1599	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1600		2040
1601	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	2043	}
1604		2044
1605	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1606	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1607	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2052	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2053	$map->load if $v;
		2054	}
1612		2055
1613	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1614	}	2057	}
1615	}	2058	}
1616	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1617	};	2060	};
1618	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2064	}
1622		2065
1623	sub save {	2066	sub save {
1624	my ($self) = @_;	2067	my ($self) = @_;
1625		2068
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2070
1628	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1629		2072
1630	return unless $self->dirty;	2073	return unless $self->dirty;
1631		2074
…		…
1637	return if $self->{deny_save};	2080	return if $self->{deny_save};
1638		2081
1639	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1640		2083
1641	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1643	};	2087	};
1644		2088
1645	if ($uniq) {	2089	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1654	my ($self) = @_;	2098	my ($self) = @_;
1655		2099
1656	# save first because save cedes	2100	# save first because save cedes
1657	$self->save;	2101	$self->save;
1658		2102
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2104
1661	return if $self->players;	2105	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2107	return if $self->{deny_save};
1664		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2113	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2114	}
1668		2115
1669	sub reset_at {	2116	sub reset_at {
1670	my ($self) = @_;	2117	my ($self) = @_;
1671		2118
1672	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1675		2121
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2124
…		…
1689	my ($self) = @_;	2135	my ($self) = @_;
1690		2136
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2138
1693	return if $self->players;	2139	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2140
1696	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1697		2142
1698	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1699		2144
1700	# need to save uniques path	2145	# need to save uniques path
1701	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2150	if $uniq;
1706	}	2151	}
1707		2152
1708	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1709		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2157	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2158
1714	$self->unlink_save;	2159	$self->unlink_save;
1715	$self->destroy;	2160	$self->destroy;
1716	}	2161	}
1717		2162
1718	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1719		2164
1720	sub nuke {	2165	sub nuke {
1721	my ($self) = @_;	2166	my ($self) = @_;
1722		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1723	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1724		2172
1725	$self->unlink_save;	2173	$self->unlink_save;
1726		2174
1727	bless $self, "cf::map";	2175	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2180
1733	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1734		2183
1735	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1736	}	2221	}
1737		2222
1738	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1739		2224
1740	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2226	instantiated unique items. May block.
1742		2227
1743	=cut	2228	=cut
1744		2229
1745	sub unique_maps() {	2230	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2231	[
1747	or return;	2232	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2233	utf8::decode $_;
1753	next if /\.pst$/;	2234	/\.map$/
1754	next unless /^$PATH_SEP/o;	2235	? normalise $_
1755		2236	: ()
1756	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2238	]
1758
1759	\@paths
1760	}	2239	}
1761		2240
1762	package cf;	2241	package cf;
1763		2242
1764	=back	2243	=back
…		…
1782	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1783	}	2262	}
1784		2263
1785	sub inv_recursive {	2264	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1787	}	2294	}
1788		2295
1789	package cf;	2296	package cf;
1790		2297
1791	=back	2298	=back
…		…
1810		2317
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2319
1813	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1815	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1818	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1819	}	2345	}
1820		2346
1821	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1822		2348
1823	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1871		2397
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2399
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1876		2402
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2404	}
1879		2405
1880	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1882		2410
1883	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1884		2412
1885	unless ($map) {	2413	unless ($map) {
1886	# restore original map position	2414	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1903		2431
1904	$map->load;	2432	$map->load;
1905	$map->load_diag;	2433	$map->load_neighbours;
1906		2434
1907	return unless $self->contr->active;	2435	return unless $self->contr->active;
1908	$self->activate_recursive;	2436	$self->activate_recursive;
1909		2437
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1912	}	2440	}
1913		2441
1914	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2443
1918	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1922	};	2448	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2449
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1949		2453
1950	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2459
1953	$self->enter_link;	2460	$self->enter_link;
1954		2461
1955	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1956	my $map = eval {	2484	my $map = eval {
1957	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1959	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2500	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1964	})->prio (1);	2508	})->prio (1);
1965	}	2509	}
1966		2510
1967	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1968		2512
…		…
2037	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2039		2583
2040	$self->enter_link;	2584	$self->enter_link;
2041		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
2042	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2043	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2594	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2046		2596
2047	1;	2597	1;
…		…
2073		2623
2074	utf8::encode $text;	2624	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2626	}
2077		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
2078	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2079		2722
2080	Sends an exti event to the client.	2723	Sends an ext event to the client.
2081		2724
2082	=cut	2725	=cut
2083		2726
2084	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2086		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
2089	}	2754	}
2090		2755
2091	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2092		2757
2093	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2761
2097	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2763	become reliable at some point in the future.
2099		2764
2100	=cut	2765	=cut
2101		2766
2102	sub cf::client::query {	2767	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2776	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2778
2114	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2116	}	2783	}
2117		2784
2118	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2119	on_reply => sub {	2791	on_reply => sub {
2120	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2121		2793
2122	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2123	# get handled first	2795	# get handled first
…		…
2135	} else {	2807	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2809	}
2138	}	2810	}
2139	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2140	);	2838	);
2141		2839
2142	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2143		2841
2144	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2187		2885
2188	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2189		2887
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2191		2893
2192	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2193		2895
2194	=pod	2896	=pod
2195		2897
2196	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2197		2899
2198	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2199	cf::object::player player	2904	cf::object::player
2200	cf::player peaceful	2905	player
2201	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2202		2912
2203	=cut	2913	=cut
2204		2914
2205	for (	2915	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2210	) {	2922	) {
2211	no strict 'refs';	2923	no strict 'refs';
…		…
2282	=back	2994	=back
2283		2995
2284	=cut	2996	=cut
2285		2997
2286	#############################################################################	2998	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2999	# the server's init and main functions
2462		3000
2463	sub load_facedata($) {	3001	sub load_facedata($) {
2464	my ($path) = @_;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3009
2466	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2467		3011
2468	my $facedata;	3012	my $facedata;
2469	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2473		3017
2474	$facedata->{version} == 2	3018	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
2477	{	3028	{
2478	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2479		3030
2480	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3037
		3038	cf::cede_to_tick;
2486	}	3039	}
2487		3040
2488	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3042	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2491	or next;	3044	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3048	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3050	}
2497	Coro::cede;	3051
		3052	cf::cede_to_tick;
2498	}	3053	}
2499	}	3054	}
2500		3055
2501	{	3056	{
2502	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2503		3058
2504	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3061	cf::cede_to_tick;
2507	}	3062	}
2508		3063
2509	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2510	}	3065	}
2511		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
2512	1	3116	1
2513	}	3117	}
2514		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
2515	sub reload_regions {	3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
2516	load_resource_file "$MAPDIR/regions"	3132	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
2518	}	3139	}
2519		3140
2520	sub reload_facedata {	3141	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3142	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2523	}	3144	}
2524		3145
2525	sub reload_archetypes {	3146	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3147	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
2528	}	3154	}
2529		3155
2530	sub reload_treasures {	3156	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3157	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3158	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	3161	sub reload_resources {
2536	warn "reloading resource files...\n";	3162	warn "reloading resource files...\n";
2537		3163
2538	reload_regions;	3164	reload_regions;
2539	reload_facedata;	3165	reload_facedata;
		3166	#reload_archetypes;#d#
2540	reload_archetypes;	3167	reload_archetypes;
2541	reload_treasures;	3168	reload_treasures;
2542		3169
2543	warn "finished reloading resource files\n";	3170	warn "finished reloading resource files\n";
2544	}	3171	}
2545		3172
2546	sub init {	3173	sub init {
2547	reload_resources;	3174	reload_resources;
2548	}	3175	}
2549		3176
2550	sub cfg_load {	3177	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3179	or return;
2553		3180
2554	local $/;	3181	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
…		…
2571	sub main {	3198	sub main {
2572	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2576	Event::one_event;	3204	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2578	};	3206	};
2579		3207
2580	cfg_load;	3208	reload_config;
2581	db_init;	3209	db_init;
2582	load_extensions;	3210	load_extensions;
2583		3211
2584	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2585	Event::loop;	3213	Event::loop;
…		…
2601	},	3229	},
2602	);	3230	);
2603	}	3231	}
2604	}	3232	}
2605		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2606	sub emergency_save() {	3272	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2608		3274
2609	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2610		3276
…		…
2685	%EXT_CORO = ();	3351	%EXT_CORO = ();
2686		3352
2687	warn "removing commands";	3353	warn "removing commands";
2688	%COMMAND = ();	3354	%COMMAND = ();
2689		3355
2690	warn "removing ext commands";	3356	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3357	%EXTCMD = ();
		3358	%EXTICMD = ();
2692		3359
2693	warn "unloading/nuking all extensions";	3360	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3361	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3362	warn "... unloading $pkg";
2696		3363
…		…
2739	warn "reloading cf.pm";	3406	warn "reloading cf.pm";
2740	require cf;	3407	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3408	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3409
2743	warn "loading config and database again";	3410	warn "loading config and database again";
2744	cf::cfg_load;	3411	cf::reload_config;
2745		3412
2746	warn "loading extensions";	3413	warn "loading extensions";
2747	cf::load_extensions;	3414	cf::load_extensions;
2748		3415
2749	warn "reattaching attachments to objects/players";	3416	warn "reattaching attachments to objects/players";
…		…
2785	register_command "reload" => sub {	3452	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3453	my ($who, $arg) = @_;
2787		3454
2788	if ($who->flag (FLAG_WIZ)) {	3455	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3456	$who->message ("reloading server.");
		3457	async {
		3458	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3459	reload_perl;
		3460	};
2791	}	3461	}
2792	};	3462	};
2793		3463
2794	unshift @INC, $LIBDIR;	3464	unshift @INC, $LIBDIR;
2795		3465
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3498	unless ++$bug_warning > 10;
2829	return;	3499	return;
2830	}	3500	}
2831		3501
2832	$NOW = Event::time;	3502	$NOW = $tick_start = Event::time;
2833		3503
2834	cf::server_tick; # one server iteration	3504	cf::server_tick; # one server iteration
2835		3505
2836	$RUNTIME += $TICK;	3506	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3507	$NEXT_TICK += $TICK;
2838		3508
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3509	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3510	$NEXT_RUNTIME_WRITE = $NOW + 10;
2841	Coro::async_pool {	3511	Coro::async_pool {
		3512	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3513	write_runtime
2843	or warn "ERROR: unable to write runtime file: $!";	3514	or warn "ERROR: unable to write runtime file: $!";
2844	};	3515	};
2845	}	3516	}
2846		3517
2847	# my $AFTER = Event::time;	3518	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2848	# warn $AFTER - $NOW;#d#	3519	$sig->send;
		3520	}
		3521	while (my $sig = shift @WAIT_FOR_TICK) {
		3522	$sig->send;
		3523	}
		3524
		3525	$NOW = Event::time;
2849		3526
2850	# if we are delayed by four ticks or more, skip them all	3527	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3528	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3529
2853	$TICK_WATCHER->at ($NEXT_TICK);	3530	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3531	$TICK_WATCHER->start;
2855		3532
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3533	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3534	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3535
2863	_post_tick;	3536	_post_tick;
2864	},	3537	},
2865	);	3538	);
2866		3539
2867	{	3540	{
		3541	BDB::min_parallel 8;
2868	BDB::max_poll_time $TICK * 0.1;	3542	BDB::max_poll_time $TICK * 0.1;
2869	$BDB_POLL_WATCHER = Event->io (	3543	$BDB_POLL_WATCHER = Event->io (
2870	reentrant => 0,	3544	reentrant => 0,
2871	fd => BDB::poll_fileno,	3545	fd => BDB::poll_fileno,
2872	poll => 'r',	3546	poll => 'r',
2873	prio => 0,	3547	prio => 0,
2874	data => WF_AUTOCANCEL,	3548	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,	3549	cb => \&BDB::poll_cb,
2876	);	3550	);
2877	BDB::min_parallel 8;
2878		3551
2879	BDB::set_sync_prepare {	3552	BDB::set_sync_prepare {
2880	my $status;	3553	my $status;
2881	my $current = $Coro::current;	3554	my $current = $Coro::current;
2882	(	3555	(
…		…
2891	)	3564	)
2892	};	3565	};
2893		3566
2894	unless ($DB_ENV) {	3567	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	3568	$DB_ENV = BDB::db_env_create;
		3569	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3570	| BDB::LOG_AUTOREMOVE, 1);
		3571	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3572	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		3573
2897	cf::sync_job {	3574	cf::sync_job {
2898	eval {	3575	eval {
2899	BDB::db_env_open	3576	BDB::db_env_open
2900	$DB_ENV,	3577	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3579	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3580	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3581	0666;
2905		3582
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3583	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3584	};
2911		3585
2912	cf::cleanup "db_env_open(db): $@" if $@;	3586	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3587	};
2914	}	3588	}
		3589
		3590	$BDB_DEADLOCK_WATCHER = Event->timer (
		3591	after => 3,
		3592	interval => 1,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3598	},
		3599	);
		3600	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3601	after => 11,
		3602	interval => 60,
		3603	hard => 1,
		3604	prio => 0,
		3605	data => WF_AUTOCANCEL,
		3606	cb => sub {
		3607	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3608	},
		3609	);
		3610	$BDB_TRICKLE_WATCHER = Event->timer (
		3611	after => 5,
		3612	interval => 10,
		3613	hard => 1,
		3614	prio => 0,
		3615	data => WF_AUTOCANCEL,
		3616	cb => sub {
		3617	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3618	},
		3619	);
2915	}	3620	}
2916		3621
2917	{	3622	{
2918	IO::AIO::min_parallel 8;	3623	IO::AIO::min_parallel 8;
2919		3624
…		…
2922	$AIO_POLL_WATCHER = Event->io (	3627	$AIO_POLL_WATCHER = Event->io (
2923	reentrant => 0,	3628	reentrant => 0,
2924	data => WF_AUTOCANCEL,	3629	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,	3630	fd => IO::AIO::poll_fileno,
2926	poll => 'r',	3631	poll => 'r',
2927	prio => 6,	3632	prio => 0,
2928	cb => \&IO::AIO::poll_cb,	3633	cb => \&IO::AIO::poll_cb,
2929	);	3634	);
2930	}	3635	}
2931		3636
2932	my $_log_backtrace;	3637	my $_log_backtrace;
…		…
2938		3643
2939	# limit the # of concurrent backtraces	3644	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3645	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3646	++$_log_backtrace;
2942	async {	3647	async {
		3648	$Coro::current->{desc} = "abt $msg";
		3649
2943	my @bt = fork_call {	3650	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3651	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3652	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3653	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3654	or die "addr2line: $!";

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